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-rw-r--r--libview/Makefile.am163
-rw-r--r--libview/ev-annotation-window.c654
-rw-r--r--libview/ev-annotation-window.h57
-rw-r--r--libview/ev-document-model.c571
-rw-r--r--libview/ev-document-model.h87
-rw-r--r--libview/ev-job-scheduler.c305
-rw-r--r--libview/ev-job-scheduler.h48
-rw-r--r--libview/ev-jobs.c1577
-rw-r--r--libview/ev-jobs.h502
-rw-r--r--libview/ev-loading-window.c278
-rw-r--r--libview/ev-loading-window.h49
-rw-r--r--libview/ev-page-cache.c521
-rw-r--r--libview/ev-page-cache.h71
-rw-r--r--libview/ev-pixbuf-cache.c1192
-rw-r--r--libview/ev-pixbuf-cache.h89
-rw-r--r--libview/ev-print-operation.c2028
-rw-r--r--libview/ev-print-operation.h71
-rw-r--r--libview/ev-stock-icons.c143
-rw-r--r--libview/ev-stock-icons.h57
-rw-r--r--libview/ev-timeline.c450
-rw-r--r--libview/ev-timeline.h90
-rw-r--r--libview/ev-transition-animation.c676
-rw-r--r--libview/ev-transition-animation.h73
-rw-r--r--libview/ev-view-accessible.c911
-rw-r--r--libview/ev-view-accessible.h33
-rw-r--r--libview/ev-view-cursor.c55
-rw-r--r--libview/ev-view-cursor.h47
-rw-r--r--libview/ev-view-marshal.list2
-rw-r--r--libview/ev-view-presentation.c1498
-rw-r--r--libview/ev-view-presentation.h51
-rw-r--r--libview/ev-view-private.h225
-rw-r--r--libview/ev-view-type-builtins.c.template44
-rw-r--r--libview/ev-view-type-builtins.h.template29
-rw-r--r--libview/ev-view.c6274
-rw-r--r--libview/ev-view.h115
35 files changed, 19036 insertions, 0 deletions
diff --git a/libview/Makefile.am b/libview/Makefile.am
new file mode 100644
index 00000000..fc1e6205
--- /dev/null
+++ b/libview/Makefile.am
@@ -0,0 +1,163 @@
+lib_LTLIBRARIES = libevview.la
+
+NOINST_H_FILES = \
+ ev-annotation-window.h \
+ ev-loading-window.h \
+ ev-page-cache.h \
+ ev-pixbuf-cache.h \
+ ev-timeline.h \
+ ev-transition-animation.h \
+ ev-view-accessible.h \
+ ev-view-cursor.h \
+ ev-view-marshal.h \
+ ev-view-private.h
+
+INST_H_SRC_FILES = \
+ ev-document-model.h \
+ ev-jobs.h \
+ ev-job-scheduler.h \
+ ev-print-operation.h \
+ ev-stock-icons.h \
+ ev-view.h \
+ ev-view-presentation.h
+
+INST_H_FILES = \
+ $(INST_H_SRC_FILES) \
+ ev-view-type-builtins.h
+
+headerdir = $(includedir)/evince/$(EV_API_VERSION)/libview
+header_DATA = $(INST_H_FILES)
+
+libevview_la_SOURCES = \
+ ev-annotation-window.c \
+ ev-document-model.c \
+ ev-loading-window.c \
+ ev-jobs.c \
+ ev-job-scheduler.c \
+ ev-page-cache.c \
+ ev-pixbuf-cache.c \
+ ev-print-operation.c \
+ ev-stock-icons.c \
+ ev-timeline.c \
+ ev-transition-animation.c \
+ ev-view.c \
+ ev-view-accessible.c \
+ ev-view-marshal.c \
+ ev-view-cursor.c \
+ ev-view-presentation.c \
+ ev-view-type-builtins.c \
+ $(NOINST_H_FILES) \
+ $(INST_H_FILES)
+
+libevview_la_CPPFLAGS = \
+ -DEVINCEDATADIR=\"$(pkgdatadir)\" \
+ -DG_LOG_DOMAIN=\"EvinceView\" \
+ -DMATELOCALEDIR=\"$(datadir)/locale\" \
+ -DEVINCE_COMPILATION \
+ -I$(top_srcdir) \
+ -I$(top_srcdir)/libdocument \
+ -I$(top_builddir) \
+ $(AM_CPPFLAGS)
+
+libevview_la_CFLAGS = \
+ $(LIBVIEW_CFLAGS) \
+ $(WARN_CFLAGS) \
+ $(DISABLE_DEPRECATED) \
+ $(AM_CFLAGS)
+
+libevview_la_LDFLAGS = \
+ -version-info $(EV_VIEW_LT_VERSION_INFO) \
+ -no-undefined \
+ -export-symbols-regex "^ev_*" \
+ $(AM_LDFLAGS)
+
+libevview_la_LIBADD = \
+ $(top_builddir)/libdocument/libevdocument.la \
+ $(LIBVIEW_LIBS)
+
+BUILT_SOURCES = \
+ ev-view-marshal.h \
+ ev-view-marshal.c \
+ ev-view-type-builtins.c \
+ ev-view-type-builtins.h
+
+CLEANFILES = \
+ $(BUILT_SOURCES) \
+ stamp-ev-view-type-builtins.h \
+ stamp-ev-view-type-builtins.c
+
+ev-view-marshal.h: $(srcdir)/ev-view-marshal.list
+ $(AM_V_GEN)$(GLIB_GENMARSHAL) --prefix=ev_view_marshal $(srcdir)/ev-view-marshal.list --header --internal > $@
+
+ev-view-marshal.c: $(srcdir)/ev-view-marshal.list
+ echo '#include <config.h>' > ev-view-marshal.c
+ $(AM_V_GEN)$(GLIB_GENMARSHAL) --prefix=ev_view_marshal $(srcdir)/ev-view-marshal.list --header --internal --body >> $@
+
+ev-view-type-builtins.h: stamp-ev-view-type-builtins.h
+ @true
+stamp-ev-view-type-builtins.h: ev-view-type-builtins.h.template $(INST_H_SRC_FILES)
+ $(AM_V_GEN)$(GLIB_MKENUMS) --template $< $(filter-out $<,$^) > xgen-etbh \
+ && (cmp -s xgen-etbh ev-view-type-builtins.h || cp xgen-etbh ev-view-type-builtins.h ) \
+ && rm -f xgen-etbh \
+ && echo timestamp > $(@F)
+
+ev-view-type-builtins.c: stamp-ev-view-type-builtins.c
+ @true
+stamp-ev-view-type-builtins.c: ev-view-type-builtins.c.template $(INST_H_SRC_FILES)
+ $(AM_V_GEN)$(GLIB_MKENUMS) --template $< $(filter-out $<,$^) > xgen-etbc \
+ && (cmp -s xgen-etbc ev-view-type-builtins.c || cp xgen-etbc ev-view-type-builtins.c ) \
+ && rm -f xgen-etbc \
+ && echo timestamp > $(@F)
+
+EXTRA_DIST = \
+ ev-view-type-builtins.c.template \
+ ev-view-type-builtins.h.template \
+ ev-view-marshal.list
+
+# GObject Introspection
+
+if ENABLE_INTROSPECTION
+
+EvinceView-$(EV_API_VERSION).gir: libevview.la Makefile $(INST_H_FILES) $(filter %.c,$(libevview_la_SOURCES))
+ $(AM_V_GEN) PKG_CONFIG_PATH=$(top_builddir):$$PKG_CONFIG_PATH \
+ $(G_IR_SCANNER) -v --namespace EvinceView \
+ --add-include-path=$(top_builddir)/libdocument \
+ --strip-prefix=Ev \
+ --nsversion=$(EV_API_VERSION) \
+ --include=GLib-2.0 \
+ --include=GObject-2.0 \
+ --include=Gio-2.0 \
+ --include=Gdk-2.0 \
+ --include=GdkPixbuf-2.0 \
+ --include=Gtk-2.0 \
+ --include=EvinceDocument-$(EV_API_VERSION) \
+ --library=evview \
+ --libtool="$(LIBTOOL)" \
+ --output $@ \
+ --pkg evince-document-$(EV_API_VERSION) \
+ --pkg evince-view-$(EV_API_VERSION) \
+ -I$(top_srcdir) \
+ -I$(top_builddir) \
+ -DEVINCE_COMPILATION \
+ $(filter %.h,$^) \
+ $(filter %.c,$^)
+
+girdir = $(GIRDIR)
+gir_DATA = EvinceView-$(EV_API_VERSION).gir
+
+typelibsdir = $(GIRTYPELIBDIR)
+typelibs_DATA = EvinceView-$(EV_API_VERSION).typelib
+
+EXTRA_DIST += $(gir_DATA)
+CLEANFILES += $(gir_DATA) $(typelibs_DATA)
+
+%.typelib: %.gir
+ $(AM_V_GEN) LD_LIBRARY_PATH=$${LD_LIBRARY_PATH:+$$LD_LIBRARY_PATH:}. $(G_IR_COMPILER) \
+ --includedir=$(srcdir) \
+ --includedir=$(top_builddir)/libdocument \
+ $(G_IR_COMPILER_OPTS) \
+ $< -o $@
+
+endif # ENABLE_INTROSPECTION
+
+-include $(top_srcdir)/git.mk
diff --git a/libview/ev-annotation-window.c b/libview/ev-annotation-window.c
new file mode 100644
index 00000000..6ecfafc6
--- /dev/null
+++ b/libview/ev-annotation-window.c
@@ -0,0 +1,654 @@
+/* ev-annotation-window.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <[email protected]>
+ * Copyright (C) 2007 Iñigo Martinez <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include "ev-annotation-window.h"
+#include "ev-stock-icons.h"
+#include "ev-view-marshal.h"
+#include "ev-document-misc.h"
+
+enum {
+ PROP_0,
+ PROP_ANNOTATION,
+ PROP_PARENT
+};
+
+enum {
+ CLOSED,
+ MOVED,
+ N_SIGNALS
+};
+
+struct _EvAnnotationWindow {
+ GtkWindow base_instance;
+
+ EvAnnotation *annotation;
+ GtkWindow *parent;
+
+ GtkWidget *title;
+ GtkWidget *close_button;
+ GtkWidget *text_view;
+ GtkWidget *resize_se;
+ GtkWidget *resize_sw;
+
+ gboolean is_open;
+ EvRectangle rect;
+
+ gboolean in_move;
+ gint x;
+ gint y;
+ gint orig_x;
+ gint orig_y;
+};
+
+struct _EvAnnotationWindowClass {
+ GtkWindowClass base_class;
+
+ void (* closed) (EvAnnotationWindow *window);
+ void (* moved) (EvAnnotationWindow *window,
+ gint x,
+ gint y);
+};
+
+static guint signals[N_SIGNALS];
+
+G_DEFINE_TYPE (EvAnnotationWindow, ev_annotation_window, GTK_TYPE_WINDOW)
+
+#define EV_ICON_SIZE_ANNOT_WINDOW (ev_annotation_window_get_icon_size())
+
+/* Cut and paste from gtkwindow.c */
+static void
+send_focus_change (GtkWidget *widget,
+ gboolean in)
+{
+ GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
+
+ fevent->focus_change.type = GDK_FOCUS_CHANGE;
+ fevent->focus_change.window = gtk_widget_get_window (widget);
+ fevent->focus_change.in = in;
+ if (fevent->focus_change.window)
+ g_object_ref (fevent->focus_change.window);
+
+ gtk_widget_send_focus_change (widget, fevent);
+
+ gdk_event_free (fevent);
+}
+
+static gdouble
+get_screen_dpi (EvAnnotationWindow *window)
+{
+ GdkScreen *screen;
+
+ screen = gtk_window_get_screen (GTK_WINDOW (window));
+ return ev_document_misc_get_screen_dpi (screen);
+}
+
+static GtkIconSize
+ev_annotation_window_get_icon_size (void)
+{
+ static GtkIconSize icon_size = 0;
+
+ if (G_UNLIKELY (icon_size == 0))
+ icon_size = gtk_icon_size_register ("ev-icon-size-annot-window", 8, 8);
+
+ return icon_size;
+}
+
+static void
+ev_annotation_window_sync_contents (EvAnnotationWindow *window)
+{
+ gchar *contents;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ EvAnnotation *annot = window->annotation;
+
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
+ gtk_text_buffer_get_bounds (buffer, &start, &end);
+ contents = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+ ev_annotation_set_contents (annot, contents);
+ g_free (contents);
+}
+
+static void
+ev_annotation_window_set_color (EvAnnotationWindow *window,
+ GdkColor *color)
+{
+ GtkRcStyle *rc_style;
+ GdkColor gcolor;
+
+ gcolor = *color;
+
+ /* Allocate these colors */
+ gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (window)),
+ &gcolor, FALSE, TRUE);
+
+ /* Apply colors to style */
+ rc_style = gtk_widget_get_modifier_style (GTK_WIDGET (window));
+ rc_style->base[GTK_STATE_NORMAL] = gcolor;
+ rc_style->bg[GTK_STATE_PRELIGHT] = gcolor;
+ rc_style->bg[GTK_STATE_NORMAL] = gcolor;
+ rc_style->bg[GTK_STATE_ACTIVE] = gcolor;
+ rc_style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_BG;
+ rc_style->color_flags[GTK_STATE_NORMAL] = GTK_RC_BG | GTK_RC_BASE;
+ rc_style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_BG;
+
+ /* Apply the style to the widgets */
+ g_object_ref (rc_style);
+ gtk_widget_modify_style (GTK_WIDGET (window), rc_style);
+ gtk_widget_modify_style (window->close_button, rc_style);
+ gtk_widget_modify_style (window->resize_se, rc_style);
+ gtk_widget_modify_style (window->resize_sw, rc_style);
+ g_object_unref (rc_style);
+}
+
+static void
+ev_annotation_window_label_changed (EvAnnotationMarkup *annot,
+ GParamSpec *pspec,
+ EvAnnotationWindow *window)
+{
+ const gchar *label = ev_annotation_markup_get_label (annot);
+
+ gtk_window_set_title (GTK_WINDOW (window), label);
+ gtk_label_set_text (GTK_LABEL (window->title), label);
+}
+
+static void
+ev_annotation_window_color_changed (EvAnnotation *annot,
+ GParamSpec *pspec,
+ EvAnnotationWindow *window)
+{
+ GdkColor color;
+
+ ev_annotation_get_color (annot, &color);
+ ev_annotation_window_set_color (window, &color);
+}
+
+static void
+ev_annotation_window_dispose (GObject *object)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
+
+ if (window->annotation) {
+ ev_annotation_window_sync_contents (window);
+ g_object_unref (window->annotation);
+ window->annotation = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_annotation_window_parent_class)->dispose) (object);
+}
+
+static void
+ev_annotation_window_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (object);
+
+ switch (prop_id) {
+ case PROP_ANNOTATION:
+ window->annotation = g_value_dup_object (value);
+ break;
+ case PROP_PARENT:
+ window->parent = g_value_get_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static gboolean
+ev_annotation_window_resize (EvAnnotationWindow *window,
+ GdkEventButton *event,
+ GtkWidget *ebox)
+{
+ if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
+ gtk_window_begin_resize_drag (GTK_WINDOW (window),
+ window->resize_sw == ebox ?
+ GDK_WINDOW_EDGE_SOUTH_WEST :
+ GDK_WINDOW_EDGE_SOUTH_EAST,
+ event->button, event->x_root,
+ event->y_root, event->time);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+ev_annotation_window_set_resize_cursor (GtkWidget *widget,
+ EvAnnotationWindow *window)
+{
+ GdkWindow *gdk_window = gtk_widget_get_window (widget);
+
+ if (!gdk_window)
+ return;
+
+ if (gtk_widget_is_sensitive (widget)) {
+ GdkDisplay *display = gtk_widget_get_display (widget);
+ GdkCursor *cursor;
+
+ cursor = gdk_cursor_new_for_display (display,
+ widget == window->resize_sw ?
+ GDK_BOTTOM_LEFT_CORNER :
+ GDK_BOTTOM_RIGHT_CORNER);
+ gdk_window_set_cursor (gdk_window, cursor);
+ gdk_cursor_unref (cursor);
+ } else {
+ gdk_window_set_cursor (gdk_window, NULL);
+ }
+}
+
+static gboolean
+text_view_button_press (GtkWidget *widget,
+ GdkEventButton *event,
+ EvAnnotationWindow *window)
+{
+ ev_annotation_window_grab_focus (window);
+
+ return FALSE;
+}
+
+static void
+ev_annotation_window_close (EvAnnotationWindow *window)
+{
+ gtk_widget_hide (GTK_WIDGET (window));
+ g_signal_emit (window, signals[CLOSED], 0);
+}
+
+static void
+ev_annotation_window_init (EvAnnotationWindow *window)
+{
+ GtkWidget *vbox, *hbox;
+ GtkWidget *icon;
+ GtkWidget *swindow;
+
+ gtk_widget_set_can_focus (GTK_WIDGET (window), TRUE);
+
+ vbox = gtk_vbox_new (FALSE, 0);
+
+ /* Title bar */
+ hbox = gtk_hbox_new (FALSE, 0);
+
+ icon = gtk_image_new (); /* FIXME: use the annot icon */
+ gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, FALSE, 0);
+ gtk_widget_show (icon);
+
+ window->title = gtk_label_new (NULL);
+ gtk_box_pack_start (GTK_BOX (hbox), window->title, TRUE, TRUE, 0);
+ gtk_widget_show (window->title);
+
+ window->close_button = gtk_button_new ();
+ gtk_button_set_relief (GTK_BUTTON (window->close_button), GTK_RELIEF_NONE);
+ gtk_container_set_border_width (GTK_CONTAINER (window->close_button), 0);
+ g_signal_connect_swapped (window->close_button, "clicked",
+ G_CALLBACK (ev_annotation_window_close),
+ window);
+ icon = gtk_image_new_from_stock (EV_STOCK_CLOSE, EV_ICON_SIZE_ANNOT_WINDOW);
+ gtk_container_add (GTK_CONTAINER (window->close_button), icon);
+ gtk_widget_show (icon);
+
+ gtk_box_pack_start (GTK_BOX (hbox), window->close_button, FALSE, FALSE, 0);
+ gtk_widget_show (window->close_button);
+
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ /* Contents */
+ swindow = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ window->text_view = gtk_text_view_new ();
+ gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (window->text_view), GTK_WRAP_WORD);
+ g_signal_connect (window->text_view, "button_press_event",
+ G_CALLBACK (text_view_button_press),
+ window);
+ gtk_container_add (GTK_CONTAINER (swindow), window->text_view);
+ gtk_widget_show (window->text_view);
+
+ gtk_box_pack_start (GTK_BOX (vbox), swindow, TRUE, TRUE, 0);
+ gtk_widget_show (swindow);
+
+ /* Resize bar */
+ hbox = gtk_hbox_new (FALSE, 0);
+
+ window->resize_sw = gtk_event_box_new ();
+ gtk_widget_add_events (window->resize_sw, GDK_BUTTON_PRESS_MASK);
+ g_signal_connect_swapped (window->resize_sw, "button-press-event",
+ G_CALLBACK (ev_annotation_window_resize),
+ window);
+ g_signal_connect (window->resize_sw, "realize",
+ G_CALLBACK (ev_annotation_window_set_resize_cursor),
+ window);
+
+ icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SW, EV_ICON_SIZE_ANNOT_WINDOW);
+ gtk_container_add (GTK_CONTAINER (window->resize_sw), icon);
+ gtk_widget_show (icon);
+ gtk_box_pack_start (GTK_BOX (hbox), window->resize_sw, FALSE, FALSE, 0);
+ gtk_widget_show (window->resize_sw);
+
+ window->resize_se = gtk_event_box_new ();
+ gtk_widget_add_events (window->resize_se, GDK_BUTTON_PRESS_MASK);
+ g_signal_connect_swapped (window->resize_se, "button-press-event",
+ G_CALLBACK (ev_annotation_window_resize),
+ window);
+ g_signal_connect (window->resize_se, "realize",
+ G_CALLBACK (ev_annotation_window_set_resize_cursor),
+ window);
+
+ icon = gtk_image_new_from_stock (EV_STOCK_RESIZE_SE, EV_ICON_SIZE_ANNOT_WINDOW);
+ gtk_container_add (GTK_CONTAINER (window->resize_se), icon);
+ gtk_widget_show (icon);
+ gtk_box_pack_end (GTK_BOX (hbox), window->resize_se, FALSE, FALSE, 0);
+ gtk_widget_show (window->resize_se);
+
+ gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+ gtk_container_set_border_width (GTK_CONTAINER (window), 0);
+ gtk_widget_show (vbox);
+
+ gtk_widget_add_events (GTK_WIDGET (window),
+ GDK_BUTTON_PRESS_MASK |
+ GDK_KEY_PRESS_MASK);
+ gtk_widget_set_app_paintable (GTK_WIDGET (window), TRUE);
+
+ gtk_container_set_border_width (GTK_CONTAINER (window), 2);
+
+ gtk_window_set_accept_focus (GTK_WINDOW (window), TRUE);
+ gtk_window_set_decorated (GTK_WINDOW (window), FALSE);
+ gtk_window_set_skip_taskbar_hint (GTK_WINDOW (window), TRUE);
+ gtk_window_set_skip_pager_hint (GTK_WINDOW (window), TRUE);
+ gtk_window_set_resizable (GTK_WINDOW (window), TRUE);
+}
+
+static GObject *
+ev_annotation_window_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ EvAnnotationWindow *window;
+ EvAnnotation *annot;
+ EvAnnotationMarkup *markup;
+ const gchar *contents;
+ const gchar *label;
+ GdkColor color;
+ EvRectangle *rect;
+ gdouble scale;
+
+ object = G_OBJECT_CLASS (ev_annotation_window_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ window = EV_ANNOTATION_WINDOW (object);
+ annot = window->annotation;
+ markup = EV_ANNOTATION_MARKUP (annot);
+
+ gtk_window_set_transient_for (GTK_WINDOW (window), window->parent);
+ gtk_window_set_destroy_with_parent (GTK_WINDOW (window), FALSE);
+
+ label = ev_annotation_markup_get_label (markup);
+ window->is_open = ev_annotation_markup_get_popup_is_open (markup);
+ ev_annotation_markup_get_rectangle (markup, &window->rect);
+
+ rect = &window->rect;
+
+ /* Rectangle is at doc resolution (72.0) */
+ scale = get_screen_dpi (window) / 72.0;
+ gtk_window_resize (GTK_WINDOW (window),
+ (gint)((rect->x2 - rect->x1) * scale),
+ (gint)((rect->y2 - rect->y1) * scale));
+
+ ev_annotation_get_color (annot, &color);
+ ev_annotation_window_set_color (window, &color);
+ gtk_widget_set_name (GTK_WIDGET (window), ev_annotation_get_name (annot));
+ gtk_window_set_title (GTK_WINDOW (window), label);
+ gtk_label_set_text (GTK_LABEL (window->title), label);
+
+ contents = ev_annotation_get_contents (annot);
+ if (contents) {
+ GtkTextBuffer *buffer;
+
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->text_view));
+ gtk_text_buffer_set_text (buffer, contents, -1);
+ }
+
+ g_signal_connect (annot, "notify::label",
+ G_CALLBACK (ev_annotation_window_label_changed),
+ window);
+ g_signal_connect (annot, "notify::color",
+ G_CALLBACK (ev_annotation_window_color_changed),
+ window);
+
+ return object;
+}
+
+static gboolean
+ev_annotation_window_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+ if (event->type == GDK_BUTTON_PRESS && event->button == 1) {
+ window->in_move = TRUE;
+ window->x = event->x_root - event->x;
+ window->y = event->y_root - event->y;
+ gtk_window_begin_move_drag (GTK_WINDOW (widget),
+ event->button,
+ event->x_root,
+ event->y_root,
+ event->time);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_annotation_window_configure_event (GtkWidget *widget,
+ GdkEventConfigure *event)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+ if (window->in_move &&
+ (window->x != event->x || window->y != event->y)) {
+ window->x = event->x;
+ window->y = event->y;
+ }
+
+ return GTK_WIDGET_CLASS (ev_annotation_window_parent_class)->configure_event (widget, event);
+}
+
+static gboolean
+ev_annotation_window_focus_in_event (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+ if (window->in_move) {
+ if (window->orig_x != window->x || window->orig_y != window->y) {
+ window->orig_x = window->x;
+ window->orig_y = window->y;
+ g_signal_emit (window, signals[MOVED], 0, window->x, window->y);
+ }
+ window->in_move = FALSE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_annotation_window_focus_out_event (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ EvAnnotationWindow *window = EV_ANNOTATION_WINDOW (widget);
+
+ ev_annotation_window_sync_contents (window);
+
+ return FALSE;
+}
+
+static void
+ev_annotation_window_class_init (EvAnnotationWindowClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
+
+ g_object_class->constructor = ev_annotation_window_constructor;
+ g_object_class->set_property = ev_annotation_window_set_property;
+ g_object_class->dispose = ev_annotation_window_dispose;
+
+ gtk_widget_class->button_press_event = ev_annotation_window_button_press_event;
+ gtk_widget_class->configure_event = ev_annotation_window_configure_event;
+ gtk_widget_class->focus_in_event = ev_annotation_window_focus_in_event;
+ gtk_widget_class->focus_out_event = ev_annotation_window_focus_out_event;
+
+ g_object_class_install_property (g_object_class,
+ PROP_ANNOTATION,
+ g_param_spec_object ("annotation",
+ "Annotation",
+ "The annotation associated to the window",
+ EV_TYPE_ANNOTATION_MARKUP,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (g_object_class,
+ PROP_PARENT,
+ g_param_spec_object ("parent",
+ "Parent",
+ "The parent window",
+ GTK_TYPE_WINDOW,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ signals[CLOSED] =
+ g_signal_new ("closed",
+ G_TYPE_FROM_CLASS (g_object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvAnnotationWindowClass, closed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0, G_TYPE_NONE);
+ signals[MOVED] =
+ g_signal_new ("moved",
+ G_TYPE_FROM_CLASS (g_object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvAnnotationWindowClass, moved),
+ NULL, NULL,
+ ev_view_marshal_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT, G_TYPE_INT);
+}
+
+/* Public methods */
+GtkWidget *
+ev_annotation_window_new (EvAnnotation *annot,
+ GtkWindow *parent)
+{
+ GtkWidget *window;
+
+ g_return_val_if_fail (EV_IS_ANNOTATION_MARKUP (annot), NULL);
+ g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
+
+ window = g_object_new (EV_TYPE_ANNOTATION_WINDOW,
+ "annotation", annot,
+ "parent", parent,
+ NULL);
+ return window;
+}
+
+EvAnnotation *
+ev_annotation_window_get_annotation (EvAnnotationWindow *window)
+{
+ g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), NULL);
+
+ return window->annotation;
+}
+
+void
+ev_annotation_window_set_annotation (EvAnnotationWindow *window,
+ EvAnnotation *annot)
+{
+ g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+ g_return_if_fail (EV_IS_ANNOTATION (annot));
+
+ if (annot == window->annotation)
+ return;
+
+ g_object_unref (window->annotation);
+ window->annotation = g_object_ref (annot);
+ ev_annotation_window_sync_contents (window);
+ g_object_notify (G_OBJECT (window), "annotation");
+}
+
+gboolean
+ev_annotation_window_is_open (EvAnnotationWindow *window)
+{
+ g_return_val_if_fail (EV_IS_ANNOTATION_WINDOW (window), FALSE);
+
+ return window->is_open;
+}
+
+void
+ev_annotation_window_get_rectangle (EvAnnotationWindow *window,
+ EvRectangle *rect)
+{
+ g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+ g_return_if_fail (rect != NULL);
+
+ *rect = window->rect;
+}
+
+void
+ev_annotation_window_set_rectangle (EvAnnotationWindow *window,
+ const EvRectangle *rect)
+{
+ g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+ g_return_if_fail (rect != NULL);
+
+ window->rect = *rect;
+}
+
+void
+ev_annotation_window_grab_focus (EvAnnotationWindow *window)
+{
+ g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+
+ if (!gtk_widget_has_focus (window->text_view)) {
+ gtk_widget_grab_focus (GTK_WIDGET (window));
+ send_focus_change (window->text_view, TRUE);
+ }
+}
+
+void
+ev_annotation_window_ungrab_focus (EvAnnotationWindow *window)
+{
+ g_return_if_fail (EV_IS_ANNOTATION_WINDOW (window));
+
+ if (gtk_widget_has_focus (window->text_view)) {
+ send_focus_change (window->text_view, FALSE);
+ }
+
+ ev_annotation_window_sync_contents (window);
+}
diff --git a/libview/ev-annotation-window.h b/libview/ev-annotation-window.h
new file mode 100644
index 00000000..267a6a61
--- /dev/null
+++ b/libview/ev-annotation-window.h
@@ -0,0 +1,57 @@
+/* ev-annotation-window.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos <[email protected]>
+ * Copyright (C) 2007 Iñigo Martinez <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef EV_ANNOTATION_WINDOW_H
+#define EV_ANNOTATION_WINDOW_H
+
+#include <gtk/gtk.h>
+
+#include "ev-annotation.h"
+
+G_BEGIN_DECLS
+
+typedef struct _EvAnnotationWindow EvAnnotationWindow;
+typedef struct _EvAnnotationWindowClass EvAnnotationWindowClass;
+
+#define EV_TYPE_ANNOTATION_WINDOW (ev_annotation_window_get_type())
+#define EV_ANNOTATION_WINDOW(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindow))
+#define EV_ANNOTATION_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindowClass))
+#define EV_IS_ANNOTATION_WINDOW(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_ANNOTATION_WINDOW))
+#define EV_IS_ANNOTATION_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_ANNOTATION_WINDOW))
+#define EV_ANNOTATION_WINDOW_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_ANNOTATION_WINDOW, EvAnnotationWindowClass))
+
+GType ev_annotation_window_get_type (void) G_GNUC_CONST;
+GtkWidget *ev_annotation_window_new (EvAnnotation *annot,
+ GtkWindow *parent);
+EvAnnotation *ev_annotation_window_get_annotation (EvAnnotationWindow *window);
+void ev_annotation_window_set_annotation (EvAnnotationWindow *window,
+ EvAnnotation *annot);
+gboolean ev_annotation_window_is_open (EvAnnotationWindow *window);
+void ev_annotation_window_get_rectangle (EvAnnotationWindow *window,
+ EvRectangle *rect);
+void ev_annotation_window_set_rectangle (EvAnnotationWindow *window,
+ const EvRectangle *rect);
+void ev_annotation_window_grab_focus (EvAnnotationWindow *window);
+void ev_annotation_window_ungrab_focus (EvAnnotationWindow *window);
+
+G_END_DECLS
+
+#endif /* EV_ANNOTATION_WINDOW_H */
diff --git a/libview/ev-document-model.c b/libview/ev-document-model.c
new file mode 100644
index 00000000..a15ab5ca
--- /dev/null
+++ b/libview/ev-document-model.c
@@ -0,0 +1,571 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos
+ * Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include "ev-document-model.h"
+#include "ev-view-type-builtins.h"
+#include "ev-view-marshal.h"
+
+struct _EvDocumentModel
+{
+ GObject base;
+
+ EvDocument *document;
+ gint n_pages;
+
+ gint page;
+ gint rotation;
+ gdouble scale;
+ EvSizingMode sizing_mode;
+ guint continuous : 1;
+ guint dual_page : 1;
+ guint fullscreen : 1;
+ guint inverted_colors : 1;
+
+ gdouble max_scale;
+ gdouble min_scale;
+};
+
+struct _EvDocumentModelClass
+{
+ GObjectClass base_class;
+
+ /* Signals */
+ void (* page_changed) (EvDocumentModel *model,
+ gint old_page,
+ gint new_page);
+};
+
+enum {
+ PROP_0,
+ PROP_DOCUMENT,
+ PROP_PAGE,
+ PROP_ROTATION,
+ PROP_INVERTED_COLORS,
+ PROP_SCALE,
+ PROP_SIZING_MODE,
+ PROP_CONTINUOUS,
+ PROP_DUAL_PAGE,
+ PROP_FULLSCREEN
+};
+
+enum
+{
+ PAGE_CHANGED,
+ N_SIGNALS
+};
+
+static guint signals[N_SIGNALS] = { 0 };
+
+G_DEFINE_TYPE (EvDocumentModel, ev_document_model, G_TYPE_OBJECT)
+
+static void
+ev_document_model_finalize (GObject *object)
+{
+ EvDocumentModel *model = EV_DOCUMENT_MODEL (object);
+
+ if (model->document) {
+ g_object_unref (model->document);
+ model->document = NULL;
+ }
+
+ G_OBJECT_CLASS (ev_document_model_parent_class)->finalize (object);
+}
+
+static void
+ev_document_model_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvDocumentModel *model = EV_DOCUMENT_MODEL (object);
+
+ switch (prop_id) {
+ case PROP_DOCUMENT:
+ ev_document_model_set_document (model, (EvDocument *)g_value_get_object (value));
+ break;
+ case PROP_PAGE:
+ ev_document_model_set_page (model, g_value_get_int (value));
+ break;
+ case PROP_ROTATION:
+ ev_document_model_set_rotation (model, g_value_get_int (value));
+ break;
+ case PROP_INVERTED_COLORS:
+ ev_document_model_set_inverted_colors (model, g_value_get_boolean (value));
+ break;
+ case PROP_SCALE:
+ ev_document_model_set_scale (model, g_value_get_double (value));
+ break;
+ case PROP_SIZING_MODE:
+ ev_document_model_set_sizing_mode (model, g_value_get_enum (value));
+ break;
+ case PROP_CONTINUOUS:
+ ev_document_model_set_continuous (model, g_value_get_boolean (value));
+ break;
+ case PROP_DUAL_PAGE:
+ ev_document_model_set_dual_page (model, g_value_get_boolean (value));
+ break;
+ case PROP_FULLSCREEN:
+ ev_document_model_set_fullscreen (model, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_document_model_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvDocumentModel *model = EV_DOCUMENT_MODEL (object);
+
+ switch (prop_id) {
+ case PROP_DOCUMENT:
+ g_value_set_object (value, model->document);
+ break;
+ case PROP_PAGE:
+ g_value_set_int (value, model->page);
+ break;
+ case PROP_ROTATION:
+ g_value_set_int (value, model->rotation);
+ break;
+ case PROP_INVERTED_COLORS:
+ g_value_set_boolean (value, model->inverted_colors);
+ break;
+ case PROP_SCALE:
+ g_value_set_double (value, model->scale);
+ break;
+ case PROP_SIZING_MODE:
+ g_value_set_enum (value, model->sizing_mode);
+ break;
+ case PROP_CONTINUOUS:
+ g_value_set_boolean (value, ev_document_model_get_continuous (model));
+ break;
+ case PROP_DUAL_PAGE:
+ g_value_set_boolean (value, ev_document_model_get_dual_page (model));
+ break;
+ case PROP_FULLSCREEN:
+ g_value_set_boolean (value, ev_document_model_get_fullscreen (model));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_document_model_class_init (EvDocumentModelClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+
+ g_object_class->get_property = ev_document_model_get_property;
+ g_object_class->set_property = ev_document_model_set_property;
+ g_object_class->finalize = ev_document_model_finalize;
+
+ /* Properties */
+ g_object_class_install_property (g_object_class,
+ PROP_DOCUMENT,
+ g_param_spec_object ("document",
+ "Document",
+ "The current document",
+ EV_TYPE_DOCUMENT,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_PAGE,
+ g_param_spec_int ("page",
+ "Page",
+ "Current page",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_ROTATION,
+ g_param_spec_int ("rotation",
+ "Rotation",
+ "Current rotation angle",
+ 0, 360, 0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_INVERTED_COLORS,
+ g_param_spec_boolean ("inverted-colors",
+ "Inverted Colors",
+ "Whether document is displayed with inverted colors",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_SCALE,
+ g_param_spec_double ("scale",
+ "Scale",
+ "Current scale factor",
+ 0., G_MAXDOUBLE, 1.,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_SIZING_MODE,
+ g_param_spec_enum ("sizing-mode",
+ "Sizing Mode",
+ "Current sizing mode",
+ EV_TYPE_SIZING_MODE,
+ EV_SIZING_FIT_WIDTH,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_CONTINUOUS,
+ g_param_spec_boolean ("continuous",
+ "Continuous",
+ "Whether document is displayed in continuous mode",
+ TRUE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_DUAL_PAGE,
+ g_param_spec_boolean ("dual-page",
+ "Dual Page",
+ "Whether document is displayed in dual page mode",
+ FALSE,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (g_object_class,
+ PROP_FULLSCREEN,
+ g_param_spec_boolean ("fullscreen",
+ "Fullscreen",
+ "Whether document is displayed in fullscreen mode",
+ FALSE,
+ G_PARAM_READWRITE));
+
+ /* Signals */
+ signals [PAGE_CHANGED] =
+ g_signal_new ("page-changed",
+ EV_TYPE_DOCUMENT_MODEL,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvDocumentModelClass, page_changed),
+ NULL, NULL,
+ ev_view_marshal_VOID__INT_INT,
+ G_TYPE_NONE, 2,
+ G_TYPE_INT, G_TYPE_INT);
+}
+
+static void
+ev_document_model_init (EvDocumentModel *model)
+{
+ model->page = -1;
+ model->scale = 1.;
+ model->sizing_mode = EV_SIZING_FIT_WIDTH;
+ model->continuous = TRUE;
+ model->inverted_colors = FALSE;
+ model->min_scale = 0.;
+ model->max_scale = G_MAXDOUBLE;
+}
+
+EvDocumentModel *
+ev_document_model_new (void)
+{
+ return g_object_new (EV_TYPE_DOCUMENT_MODEL, NULL);
+}
+
+EvDocumentModel *
+ev_document_model_new_with_document (EvDocument *document)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL);
+
+ return g_object_new (EV_TYPE_DOCUMENT_MODEL, "document", document, NULL);
+}
+
+void
+ev_document_model_set_document (EvDocumentModel *model,
+ EvDocument *document)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+ g_return_if_fail (EV_IS_DOCUMENT (document));
+
+ if (document == model->document)
+ return;
+
+ if (model->document)
+ g_object_unref (model->document);
+ model->document = g_object_ref (document);
+
+ model->n_pages = ev_document_get_n_pages (document);
+ ev_document_model_set_page (model, CLAMP (model->page, 0,
+ model->n_pages - 1));
+
+ g_object_notify (G_OBJECT (model), "document");
+}
+
+EvDocument *
+ev_document_model_get_document (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), NULL);
+
+ return model->document;
+}
+
+void
+ev_document_model_set_page (EvDocumentModel *model,
+ gint page)
+{
+ gint old_page;
+
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (model->page == page)
+ return;
+ if (page < 0 || (model->document && page >= model->n_pages))
+ return;
+
+ old_page = model->page;
+ model->page = page;
+ g_signal_emit (model, signals[PAGE_CHANGED], 0, old_page, page);
+
+ g_object_notify (G_OBJECT (model), "page");
+}
+
+void
+ev_document_model_set_page_by_label (EvDocumentModel *model,
+ const gchar *page_label)
+{
+ gint page;
+
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+ g_return_if_fail (model->document != NULL);
+
+ if (ev_document_find_page_by_label (model->document, page_label, &page))
+ ev_document_model_set_page (model, page);
+}
+
+gint
+ev_document_model_get_page (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), -1);
+
+ return model->page;
+}
+
+void
+ev_document_model_set_scale (EvDocumentModel *model,
+ gdouble scale)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ scale = CLAMP (scale,
+ model->sizing_mode == EV_SIZING_FREE ?
+ model->min_scale : 0, model->max_scale);
+
+ if (scale == model->scale)
+ return;
+
+ model->scale = scale;
+
+ g_object_notify (G_OBJECT (model), "scale");
+}
+
+gdouble
+ev_document_model_get_scale (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), 1.0);
+
+ return model->scale;
+}
+
+void
+ev_document_model_set_max_scale (EvDocumentModel *model,
+ gdouble max_scale)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (max_scale == model->max_scale)
+ return;
+
+ model->max_scale = max_scale;
+
+ if (model->scale > max_scale)
+ ev_document_model_set_scale (model, max_scale);
+}
+
+gdouble
+ev_document_model_get_max_scale (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), 1.0);
+
+ return model->max_scale;
+}
+
+void
+ev_document_model_set_min_scale (EvDocumentModel *model,
+ gdouble min_scale)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (min_scale == model->min_scale)
+ return;
+
+ model->min_scale = min_scale;
+
+ if (model->scale < min_scale)
+ ev_document_model_set_scale (model, min_scale);
+}
+
+gdouble
+ev_document_model_get_min_scale (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), 0.);
+
+ return model->min_scale;
+}
+
+void
+ev_document_model_set_sizing_mode (EvDocumentModel *model,
+ EvSizingMode mode)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (mode == model->sizing_mode)
+ return;
+
+ model->sizing_mode = mode;
+
+ g_object_notify (G_OBJECT (model), "sizing-mode");
+}
+
+EvSizingMode
+ev_document_model_get_sizing_mode (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), EV_SIZING_FIT_WIDTH);
+
+ return model->sizing_mode;
+}
+
+void
+ev_document_model_set_rotation (EvDocumentModel *model,
+ gint rotation)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (rotation >= 360)
+ rotation -= 360;
+ else if (rotation < 0)
+ rotation += 360;
+
+ if (rotation == model->rotation)
+ return;
+
+ model->rotation = rotation;
+
+ g_object_notify (G_OBJECT (model), "rotation");
+}
+
+gint
+ev_document_model_get_rotation (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), 0);
+
+ return model->rotation;
+}
+
+void
+ev_document_model_set_inverted_colors (EvDocumentModel *model,
+ gboolean inverted_colors)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (inverted_colors == model->inverted_colors)
+ return;
+
+ model->inverted_colors = inverted_colors;
+
+ g_object_notify (G_OBJECT (model), "inverted-colors");
+}
+
+gboolean
+ev_document_model_get_inverted_colors (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), FALSE);
+
+ return model->inverted_colors;
+}
+
+void
+ev_document_model_set_continuous (EvDocumentModel *model,
+ gboolean continuous)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ continuous = continuous != FALSE;
+
+ if (continuous == model->continuous)
+ return;
+
+ model->continuous = continuous;
+
+ g_object_notify (G_OBJECT (model), "continuous");
+}
+
+gboolean
+ev_document_model_get_continuous (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), TRUE);
+
+ return model->continuous;
+}
+
+void
+ev_document_model_set_dual_page (EvDocumentModel *model,
+ gboolean dual_page)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ dual_page = dual_page != FALSE;
+
+ if (dual_page == model->dual_page)
+ return;
+
+ model->dual_page = dual_page;
+
+ g_object_notify (G_OBJECT (model), "dual-page");
+}
+
+gboolean
+ev_document_model_get_dual_page (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), FALSE);
+
+ return model->dual_page;
+}
+
+void
+ev_document_model_set_fullscreen (EvDocumentModel *model,
+ gboolean fullscreen)
+{
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ fullscreen = fullscreen != FALSE;
+
+ if (fullscreen == model->fullscreen)
+ return;
+
+ model->fullscreen = fullscreen;
+
+ g_object_notify (G_OBJECT (model), "fullscreen");
+}
+
+gboolean
+ev_document_model_get_fullscreen (EvDocumentModel *model)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT_MODEL (model), FALSE);
+
+ return model->fullscreen;
+}
diff --git a/libview/ev-document-model.h b/libview/ev-document-model.h
new file mode 100644
index 00000000..05525ebe
--- /dev/null
+++ b/libview/ev-document-model.h
@@ -0,0 +1,87 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_DOCUMENT_MODEL_H__
+#define __EV_DOCUMENT_MODEL_H__
+
+#include <glib-object.h>
+#include <evince-document.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_DOCUMENT_MODEL (ev_document_model_get_type ())
+#define EV_DOCUMENT_MODEL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_DOCUMENT_MODEL, EvDocumentModel))
+#define EV_IS_DOCUMENT_MODEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_DOCUMENT_MODEL))
+
+typedef enum {
+ EV_SIZING_BEST_FIT,
+ EV_SIZING_FIT_WIDTH,
+ EV_SIZING_FREE,
+} EvSizingMode;
+
+typedef struct _EvDocumentModel EvDocumentModel;
+typedef struct _EvDocumentModelClass EvDocumentModelClass;
+
+GType ev_document_model_get_type (void) G_GNUC_CONST;
+EvDocumentModel *ev_document_model_new (void);
+EvDocumentModel *ev_document_model_new_with_document (EvDocument *document);
+
+void ev_document_model_set_document (EvDocumentModel *model,
+ EvDocument *document);
+EvDocument *ev_document_model_get_document (EvDocumentModel *model);
+void ev_document_model_set_page (EvDocumentModel *model,
+ gint page);
+void ev_document_model_set_page_by_label (EvDocumentModel *model,
+ const gchar *page_label);
+gint ev_document_model_get_page (EvDocumentModel *model);
+void ev_document_model_set_scale (EvDocumentModel *model,
+ gdouble scale);
+gdouble ev_document_model_get_scale (EvDocumentModel *model);
+void ev_document_model_set_max_scale (EvDocumentModel *model,
+ gdouble max_scale);
+gdouble ev_document_model_get_max_scale (EvDocumentModel *model);
+void ev_document_model_set_min_scale (EvDocumentModel *model,
+ gdouble min_scale);
+gdouble ev_document_model_get_min_scale (EvDocumentModel *model);
+void ev_document_model_set_sizing_mode (EvDocumentModel *model,
+ EvSizingMode mode);
+EvSizingMode ev_document_model_get_sizing_mode (EvDocumentModel *model);
+void ev_document_model_set_rotation (EvDocumentModel *model,
+ gint rotation);
+gint ev_document_model_get_rotation (EvDocumentModel *model);
+void ev_document_model_set_inverted_colors (EvDocumentModel *model,
+ gboolean inverted_colors);
+gboolean ev_document_model_get_inverted_colors (EvDocumentModel *model);
+void ev_document_model_set_continuous (EvDocumentModel *model,
+ gboolean continuous);
+gboolean ev_document_model_get_continuous (EvDocumentModel *model);
+void ev_document_model_set_dual_page (EvDocumentModel *model,
+ gboolean dual_page);
+gboolean ev_document_model_get_dual_page (EvDocumentModel *model);
+void ev_document_model_set_fullscreen (EvDocumentModel *model,
+ gboolean fullscreen);
+gboolean ev_document_model_get_fullscreen (EvDocumentModel *model);
+
+G_END_DECLS
+
+#endif /* __EV_DOCUMENT_MODEL_H__ */
diff --git a/libview/ev-job-scheduler.c b/libview/ev-job-scheduler.c
new file mode 100644
index 00000000..f874832f
--- /dev/null
+++ b/libview/ev-job-scheduler.c
@@ -0,0 +1,305 @@
+/* ev-job-scheduler.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "ev-debug.h"
+#include "ev-job-scheduler.h"
+
+typedef struct _EvSchedulerJob {
+ EvJob *job;
+ EvJobPriority priority;
+ GSList *job_link;
+} EvSchedulerJob;
+
+G_LOCK_DEFINE_STATIC(job_list);
+static GSList *job_list = NULL;
+
+static gpointer ev_job_thread_proxy (gpointer data);
+static void ev_scheduler_thread_job_cancelled (EvSchedulerJob *job,
+ GCancellable *cancellable);
+
+/* EvJobQueue */
+static GQueue queue_urgent = G_QUEUE_INIT;
+static GQueue queue_high = G_QUEUE_INIT;
+static GQueue queue_low = G_QUEUE_INIT;
+static GQueue queue_none = G_QUEUE_INIT;
+
+static GCond *job_queue_cond = NULL;
+static GMutex *job_queue_mutex = NULL;
+static GQueue *job_queue[EV_JOB_N_PRIORITIES] = {
+ &queue_urgent,
+ &queue_high,
+ &queue_low,
+ &queue_none
+};
+
+static void
+ev_job_queue_push (EvSchedulerJob *job,
+ EvJobPriority priority)
+{
+ ev_debug_message (DEBUG_JOBS, "%s priority %d", EV_GET_TYPE_NAME (job->job), priority);
+
+ g_mutex_lock (job_queue_mutex);
+
+ g_queue_push_tail (job_queue[priority], job);
+ g_cond_broadcast (job_queue_cond);
+
+ g_mutex_unlock (job_queue_mutex);
+}
+
+static EvSchedulerJob *
+ev_job_queue_get_next_unlocked (void)
+{
+ gint i;
+ EvSchedulerJob *job = NULL;
+
+ for (i = EV_JOB_PRIORITY_URGENT; i < EV_JOB_N_PRIORITIES; i++) {
+ job = (EvSchedulerJob *) g_queue_pop_head (job_queue[i]);
+ if (job)
+ break;
+ }
+
+ ev_debug_message (DEBUG_JOBS, "%s", job ? EV_GET_TYPE_NAME (job->job) : "No jobs in queue");
+
+ return job;
+}
+
+static gpointer
+ev_job_scheduler_init (gpointer data)
+{
+ job_queue_cond = g_cond_new ();
+ job_queue_mutex = g_mutex_new ();
+ g_thread_create (ev_job_thread_proxy, NULL, FALSE, NULL);
+
+ return NULL;
+}
+
+static void
+ev_scheduler_job_list_add (EvSchedulerJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job));
+
+ G_LOCK (job_list);
+
+ job_list = g_slist_prepend (job_list, job);
+ job->job_link = job_list;
+
+ G_UNLOCK (job_list);
+}
+
+static void
+ev_scheduler_job_list_remove (EvSchedulerJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job));
+
+ G_LOCK (job_list);
+
+ job_list = g_slist_delete_link (job_list, job->job_link);
+
+ G_UNLOCK (job_list);
+}
+
+static void
+ev_scheduler_job_free (EvSchedulerJob *job)
+{
+ if (!job)
+ return;
+
+ g_object_unref (job->job);
+ g_free (job);
+}
+
+static void
+ev_scheduler_job_destroy (EvSchedulerJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job));
+
+ if (job->job->run_mode == EV_JOB_RUN_MAIN_LOOP) {
+ g_signal_handlers_disconnect_by_func (job->job,
+ G_CALLBACK (ev_scheduler_job_destroy),
+ job);
+ } else {
+ g_signal_handlers_disconnect_by_func (job->job->cancellable,
+ G_CALLBACK (ev_scheduler_thread_job_cancelled),
+ job);
+ }
+
+ ev_scheduler_job_list_remove (job);
+ ev_scheduler_job_free (job);
+}
+
+static void
+ev_scheduler_thread_job_cancelled (EvSchedulerJob *job,
+ GCancellable *cancellable)
+{
+ GList *list;
+
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job->job));
+
+ g_mutex_lock (job_queue_mutex);
+
+ /* If the job is not still running,
+ * remove it from the job queue and job list.
+ * If the job is currently running, it will be
+ * destroyed as soon as it finishes.
+ */
+ list = g_queue_find (job_queue[job->priority], job);
+ if (list) {
+ g_queue_delete_link (job_queue[job->priority], list);
+ g_mutex_unlock (job_queue_mutex);
+ ev_scheduler_job_destroy (job);
+ } else {
+ g_mutex_unlock (job_queue_mutex);
+ }
+}
+
+static void
+ev_job_thread (EvJob *job)
+{
+ gboolean result;
+
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job));
+
+ do {
+ if (g_cancellable_is_cancelled (job->cancellable))
+ result = FALSE;
+ else
+ result = ev_job_run (job);
+ } while (result);
+}
+
+static gboolean
+ev_job_idle (EvJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s", EV_GET_TYPE_NAME (job));
+
+ if (g_cancellable_is_cancelled (job->cancellable))
+ return FALSE;
+
+ return ev_job_run (job);
+}
+
+static gpointer
+ev_job_thread_proxy (gpointer data)
+{
+ while (TRUE) {
+ EvSchedulerJob *job;
+
+ g_mutex_lock (job_queue_mutex);
+ job = ev_job_queue_get_next_unlocked ();
+ if (!job) {
+ g_cond_wait (job_queue_cond, job_queue_mutex);
+ g_mutex_unlock (job_queue_mutex);
+ continue;
+ }
+ g_mutex_unlock (job_queue_mutex);
+
+ ev_job_thread (job->job);
+ ev_scheduler_job_destroy (job);
+ }
+
+ return NULL;
+}
+
+void
+ev_job_scheduler_push_job (EvJob *job,
+ EvJobPriority priority)
+{
+ static GOnce once_init = G_ONCE_INIT;
+ EvSchedulerJob *s_job;
+
+ g_once (&once_init, ev_job_scheduler_init, NULL);
+
+ ev_debug_message (DEBUG_JOBS, "%s pirority %d", EV_GET_TYPE_NAME (job), priority);
+
+ s_job = g_new0 (EvSchedulerJob, 1);
+ s_job->job = g_object_ref (job);
+ s_job->priority = priority;
+
+ ev_scheduler_job_list_add (s_job);
+
+ switch (ev_job_get_run_mode (job)) {
+ case EV_JOB_RUN_THREAD:
+ g_signal_connect_swapped (job->cancellable, "cancelled",
+ G_CALLBACK (ev_scheduler_thread_job_cancelled),
+ s_job);
+ ev_job_queue_push (s_job, priority);
+ break;
+ case EV_JOB_RUN_MAIN_LOOP:
+ g_signal_connect_swapped (job, "finished",
+ G_CALLBACK (ev_scheduler_job_destroy),
+ s_job);
+ g_signal_connect_swapped (job, "cancelled",
+ G_CALLBACK (ev_scheduler_job_destroy),
+ s_job);
+ g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)ev_job_idle,
+ g_object_ref (job),
+ (GDestroyNotify)g_object_unref);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+void
+ev_job_scheduler_update_job (EvJob *job,
+ EvJobPriority priority)
+{
+ GSList *l;
+ EvSchedulerJob *s_job = NULL;
+ gboolean need_resort = FALSE;
+
+ /* Main loop jobs are scheduled inmediately */
+ if (ev_job_get_run_mode (job) == EV_JOB_RUN_MAIN_LOOP)
+ return;
+
+ ev_debug_message (DEBUG_JOBS, "%s pirority %d", EV_GET_TYPE_NAME (job), priority);
+
+ G_LOCK (job_list);
+
+ for (l = job_list; l; l = l->next) {
+ s_job = (EvSchedulerJob *)l->data;
+
+ if (s_job->job == job) {
+ need_resort = (s_job->priority != priority);
+ break;
+ }
+ }
+
+ G_UNLOCK (job_list);
+
+ if (need_resort) {
+ GList *list;
+
+ g_mutex_lock (job_queue_mutex);
+
+ list = g_queue_find (job_queue[s_job->priority], s_job);
+ if (list) {
+ ev_debug_message (DEBUG_JOBS, "Moving job %s from pirority %d to %d",
+ EV_GET_TYPE_NAME (job), s_job->priority, priority);
+ g_queue_delete_link (job_queue[s_job->priority], list);
+ g_queue_push_tail (job_queue[priority], s_job);
+ g_cond_broadcast (job_queue_cond);
+ }
+
+ g_mutex_unlock (job_queue_mutex);
+ }
+}
+
diff --git a/libview/ev-job-scheduler.h b/libview/ev-job-scheduler.h
new file mode 100644
index 00000000..b099a66f
--- /dev/null
+++ b/libview/ev-job-scheduler.h
@@ -0,0 +1,48 @@
+/* ev-job-scheduler.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef EV_JOB_SCHEDULER_H
+#define EV_JOB_SCHEDULER_H
+
+#include <glib.h>
+#include "ev-jobs.h"
+
+G_BEGIN_DECLS
+
+typedef enum {
+ EV_JOB_PRIORITY_URGENT, /* Rendering current page range */
+ EV_JOB_PRIORITY_HIGH, /* Rendering current thumbnail range */
+ EV_JOB_PRIORITY_LOW, /* Rendering pages not in current range */
+ EV_JOB_PRIORITY_NONE, /* Any other job: load, save, print, ... */
+ EV_JOB_N_PRIORITIES
+} EvJobPriority;
+
+void ev_job_scheduler_push_job (EvJob *job,
+ EvJobPriority priority);
+void ev_job_scheduler_update_job (EvJob *job,
+ EvJobPriority priority);
+
+G_END_DECLS
+
+#endif /* EV_JOB_SCHEDULER_H */
diff --git a/libview/ev-jobs.c b/libview/ev-jobs.c
new file mode 100644
index 00000000..ffb2d729
--- /dev/null
+++ b/libview/ev-jobs.c
@@ -0,0 +1,1577 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ * Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+
+#include "ev-jobs.h"
+#include "ev-document-thumbnails.h"
+#include "ev-document-links.h"
+#include "ev-document-images.h"
+#include "ev-document-forms.h"
+#include "ev-file-exporter.h"
+#include "ev-document-factory.h"
+#include "ev-document-misc.h"
+#include "ev-file-helpers.h"
+#include "ev-document-fonts.h"
+#include "ev-document-security.h"
+#include "ev-document-find.h"
+#include "ev-document-layers.h"
+#include "ev-document-print.h"
+#include "ev-document-annotations.h"
+#include "ev-document-attachments.h"
+#include "ev-document-text.h"
+#include "ev-debug.h"
+
+#include <errno.h>
+#include <glib/gstdio.h>
+#include <glib/gi18n-lib.h>
+#include <unistd.h>
+
+static void ev_job_init (EvJob *job);
+static void ev_job_class_init (EvJobClass *class);
+static void ev_job_links_init (EvJobLinks *job);
+static void ev_job_links_class_init (EvJobLinksClass *class);
+static void ev_job_attachments_init (EvJobAttachments *job);
+static void ev_job_attachments_class_init (EvJobAttachmentsClass *class);
+static void ev_job_annots_init (EvJobAnnots *job);
+static void ev_job_annots_class_init (EvJobAnnotsClass *class);
+static void ev_job_render_init (EvJobRender *job);
+static void ev_job_render_class_init (EvJobRenderClass *class);
+static void ev_job_page_data_init (EvJobPageData *job);
+static void ev_job_page_data_class_init (EvJobPageDataClass *class);
+static void ev_job_thumbnail_init (EvJobThumbnail *job);
+static void ev_job_thumbnail_class_init (EvJobThumbnailClass *class);
+static void ev_job_load_init (EvJobLoad *job);
+static void ev_job_load_class_init (EvJobLoadClass *class);
+static void ev_job_save_init (EvJobSave *job);
+static void ev_job_save_class_init (EvJobSaveClass *class);
+static void ev_job_find_init (EvJobFind *job);
+static void ev_job_find_class_init (EvJobFindClass *class);
+static void ev_job_layers_init (EvJobLayers *job);
+static void ev_job_layers_class_init (EvJobLayersClass *class);
+static void ev_job_export_init (EvJobExport *job);
+static void ev_job_export_class_init (EvJobExportClass *class);
+static void ev_job_print_init (EvJobPrint *job);
+static void ev_job_print_class_init (EvJobPrintClass *class);
+
+enum {
+ CANCELLED,
+ FINISHED,
+ LAST_SIGNAL
+};
+
+enum {
+ FONTS_UPDATED,
+ FONTS_LAST_SIGNAL
+};
+
+enum {
+ FIND_UPDATED,
+ FIND_LAST_SIGNAL
+};
+
+static guint job_signals[LAST_SIGNAL] = { 0 };
+static guint job_fonts_signals[FONTS_LAST_SIGNAL] = { 0 };
+static guint job_find_signals[FIND_LAST_SIGNAL] = { 0 };
+
+G_DEFINE_ABSTRACT_TYPE (EvJob, ev_job, G_TYPE_OBJECT)
+G_DEFINE_TYPE (EvJobLinks, ev_job_links, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobAttachments, ev_job_attachments, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobAnnots, ev_job_annots, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobRender, ev_job_render, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobPageData, ev_job_page_data, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobThumbnail, ev_job_thumbnail, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobFonts, ev_job_fonts, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobLoad, ev_job_load, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobSave, ev_job_save, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobFind, ev_job_find, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobLayers, ev_job_layers, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobExport, ev_job_export, EV_TYPE_JOB)
+G_DEFINE_TYPE (EvJobPrint, ev_job_print, EV_TYPE_JOB)
+
+/* EvJob */
+static void
+ev_job_init (EvJob *job)
+{
+ job->cancellable = g_cancellable_new ();
+}
+
+static void
+ev_job_dispose (GObject *object)
+{
+ EvJob *job;
+
+ job = EV_JOB (object);
+
+ if (job->document) {
+ g_object_unref (job->document);
+ job->document = NULL;
+ }
+
+ if (job->cancellable) {
+ g_object_unref (job->cancellable);
+ job->cancellable = NULL;
+ }
+
+ if (job->error) {
+ g_error_free (job->error);
+ job->error = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_parent_class)->dispose) (object);
+}
+
+static void
+ev_job_class_init (EvJobClass *class)
+{
+ GObjectClass *oclass;
+
+ oclass = G_OBJECT_CLASS (class);
+
+ oclass->dispose = ev_job_dispose;
+
+ job_signals[CANCELLED] =
+ g_signal_new ("cancelled",
+ EV_TYPE_JOB,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvJobClass, cancelled),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ job_signals [FINISHED] =
+ g_signal_new ("finished",
+ EV_TYPE_JOB,
+ G_SIGNAL_RUN_FIRST,
+ G_STRUCT_OFFSET (EvJobClass, finished),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static gboolean
+emit_finished (EvJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ job->idle_finished_id = 0;
+
+ if (job->cancelled) {
+ ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, do not emit finished", EV_GET_TYPE_NAME (job), job);
+ } else {
+ ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+ g_signal_emit (job, job_signals[FINISHED], 0);
+ }
+
+ return FALSE;
+}
+
+static void
+ev_job_emit_finished (EvJob *job)
+{
+ ev_debug_message (DEBUG_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ if (g_cancellable_is_cancelled (job->cancellable)) {
+ ev_debug_message (DEBUG_JOBS, "%s (%p) job was cancelled, returning", EV_GET_TYPE_NAME (job), job);
+ return;
+ }
+
+ job->finished = TRUE;
+
+ if (job->run_mode == EV_JOB_RUN_THREAD) {
+ job->idle_finished_id =
+ g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)emit_finished,
+ g_object_ref (job),
+ (GDestroyNotify)g_object_unref);
+ } else {
+ ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+ g_signal_emit (job, job_signals[FINISHED], 0);
+ }
+}
+
+gboolean
+ev_job_run (EvJob *job)
+{
+ EvJobClass *class = EV_JOB_GET_CLASS (job);
+
+ return class->run (job);
+}
+
+void
+ev_job_cancel (EvJob *job)
+{
+ if (job->cancelled || (job->finished && job->idle_finished_id == 0))
+ return;
+
+ ev_debug_message (DEBUG_JOBS, "job %s (%p) cancelled", EV_GET_TYPE_NAME (job), job);
+ ev_profiler_stop (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ /* This should never be called from a thread */
+ job->cancelled = TRUE;
+ g_cancellable_cancel (job->cancellable);
+ g_signal_emit (job, job_signals[CANCELLED], 0);
+}
+
+void
+ev_job_failed (EvJob *job,
+ GQuark domain,
+ gint code,
+ const gchar *format,
+ ...)
+{
+ va_list args;
+ gchar *message;
+
+ if (job->failed || job->finished)
+ return;
+
+ ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job);
+
+ job->failed = TRUE;
+
+ va_start (args, format);
+ message = g_strdup_vprintf (format, args);
+ va_end (args);
+
+ job->error = g_error_new_literal (domain, code, message);
+ g_free (message);
+
+ ev_job_emit_finished (job);
+}
+
+void
+ev_job_failed_from_error (EvJob *job,
+ GError *error)
+{
+ if (job->failed || job->finished)
+ return;
+
+ ev_debug_message (DEBUG_JOBS, "job %s (%p) failed", EV_GET_TYPE_NAME (job), job);
+
+ job->failed = TRUE;
+ job->error = g_error_copy (error);
+
+ ev_job_emit_finished (job);
+}
+
+void
+ev_job_succeeded (EvJob *job)
+{
+ if (job->finished)
+ return;
+
+ ev_debug_message (DEBUG_JOBS, "job %s (%p) succeeded", EV_GET_TYPE_NAME (job), job);
+
+ job->failed = FALSE;
+ ev_job_emit_finished (job);
+}
+
+gboolean
+ev_job_is_finished (EvJob *job)
+{
+ return job->finished;
+}
+
+gboolean
+ev_job_is_failed (EvJob *job)
+{
+ return job->failed;
+}
+
+EvJobRunMode
+ev_job_get_run_mode (EvJob *job)
+{
+ return job->run_mode;
+}
+
+void
+ev_job_set_run_mode (EvJob *job,
+ EvJobRunMode run_mode)
+{
+ job->run_mode = run_mode;
+}
+
+/* EvJobLinks */
+static void
+ev_job_links_init (EvJobLinks *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_links_dispose (GObject *object)
+{
+ EvJobLinks *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_LINKS (object);
+
+ if (job->model) {
+ g_object_unref (job->model);
+ job->model = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_links_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_links_run (EvJob *job)
+{
+ EvJobLinks *job_links = EV_JOB_LINKS (job);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+ job_links->model = ev_document_links_get_links_model (EV_DOCUMENT_LINKS (job->document));
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_links_class_init (EvJobLinksClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_links_dispose;
+ job_class->run = ev_job_links_run;
+}
+
+EvJob *
+ev_job_links_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_LINKS, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+/* EvJobAttachments */
+static void
+ev_job_attachments_init (EvJobAttachments *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_attachments_dispose (GObject *object)
+{
+ EvJobAttachments *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_ATTACHMENTS (object);
+
+ if (job->attachments) {
+ g_list_foreach (job->attachments, (GFunc)g_object_unref, NULL);
+ g_list_free (job->attachments);
+ job->attachments = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_attachments_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_attachments_run (EvJob *job)
+{
+ EvJobAttachments *job_attachments = EV_JOB_ATTACHMENTS (job);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+ job_attachments->attachments =
+ ev_document_attachments_get_attachments (EV_DOCUMENT_ATTACHMENTS (job->document));
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_attachments_class_init (EvJobAttachmentsClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_attachments_dispose;
+ job_class->run = ev_job_attachments_run;
+}
+
+EvJob *
+ev_job_attachments_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_ATTACHMENTS, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+/* EvJobAnnots */
+static void
+ev_job_annots_init (EvJobAnnots *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_annots_dispose (GObject *object)
+{
+ EvJobAnnots *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_ANNOTS (object);
+
+ if (job->annots) {
+ g_list_foreach (job->annots, (GFunc)ev_mapping_list_unref, NULL);
+ g_list_free (job->annots);
+ job->annots = NULL;
+ }
+
+ G_OBJECT_CLASS (ev_job_annots_parent_class)->dispose (object);
+}
+
+static gboolean
+ev_job_annots_run (EvJob *job)
+{
+ EvJobAnnots *job_annots = EV_JOB_ANNOTS (job);
+ gint i;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+ for (i = 0; i < ev_document_get_n_pages (job->document); i++) {
+ EvMappingList *mapping_list;
+ EvPage *page;
+
+ page = ev_document_get_page (job->document, i);
+ mapping_list = ev_document_annotations_get_annotations (EV_DOCUMENT_ANNOTATIONS (job->document),
+ page);
+ g_object_unref (page);
+
+ if (mapping_list)
+ job_annots->annots = g_list_prepend (job_annots->annots, mapping_list);
+ }
+ ev_document_doc_mutex_unlock ();
+
+ job_annots->annots = g_list_reverse (job_annots->annots);
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_annots_class_init (EvJobAnnotsClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_annots_dispose;
+ job_class->run = ev_job_annots_run;
+}
+
+EvJob *
+ev_job_annots_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_ANNOTS, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+/* EvJobRender */
+static void
+ev_job_render_init (EvJobRender *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_render_dispose (GObject *object)
+{
+ EvJobRender *job;
+
+ job = EV_JOB_RENDER (object);
+
+ ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job->page, job);
+
+ if (job->surface) {
+ cairo_surface_destroy (job->surface);
+ job->surface = NULL;
+ }
+
+ if (job->selection) {
+ cairo_surface_destroy (job->selection);
+ job->selection = NULL;
+ }
+
+ if (job->selection_region) {
+ cairo_region_destroy (job->selection_region);
+ job->selection_region = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_render_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_render_run (EvJob *job)
+{
+ EvJobRender *job_render = EV_JOB_RENDER (job);
+ EvPage *ev_page;
+ EvRenderContext *rc;
+
+ ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job_render->page, job);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+
+ ev_profiler_start (EV_PROFILE_JOBS, "Rendering page %d", job_render->page);
+
+ ev_document_fc_mutex_lock ();
+
+ ev_page = ev_document_get_page (job->document, job_render->page);
+ rc = ev_render_context_new (ev_page, job_render->rotation, job_render->scale);
+ g_object_unref (ev_page);
+
+ job_render->surface = ev_document_render (job->document, rc);
+ /* If job was cancelled during the page rendering,
+ * we return now, so that the thread is finished ASAP
+ */
+ if (g_cancellable_is_cancelled (job->cancellable)) {
+ ev_document_fc_mutex_unlock ();
+ ev_document_doc_mutex_unlock ();
+ g_object_unref (rc);
+
+ return FALSE;
+ }
+
+ if (job_render->include_selection && EV_IS_SELECTION (job->document)) {
+ ev_selection_render_selection (EV_SELECTION (job->document),
+ rc,
+ &(job_render->selection),
+ &(job_render->selection_points),
+ NULL,
+ job_render->selection_style,
+ &(job_render->text), &(job_render->base));
+ job_render->selection_region =
+ ev_selection_get_selection_region (EV_SELECTION (job->document),
+ rc,
+ job_render->selection_style,
+ &(job_render->selection_points));
+ }
+
+ g_object_unref (rc);
+
+ ev_document_fc_mutex_unlock ();
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_render_class_init (EvJobRenderClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_render_dispose;
+ job_class->run = ev_job_render_run;
+}
+
+EvJob *
+ev_job_render_new (EvDocument *document,
+ gint page,
+ gint rotation,
+ gdouble scale,
+ gint width,
+ gint height)
+{
+ EvJobRender *job;
+
+ ev_debug_message (DEBUG_JOBS, "page: %d", page);
+
+ job = g_object_new (EV_TYPE_JOB_RENDER, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+ job->page = page;
+ job->rotation = rotation;
+ job->scale = scale;
+ job->target_width = width;
+ job->target_height = height;
+
+ return EV_JOB (job);
+}
+
+void
+ev_job_render_set_selection_info (EvJobRender *job,
+ EvRectangle *selection_points,
+ EvSelectionStyle selection_style,
+ GdkColor *text,
+ GdkColor *base)
+{
+ job->include_selection = TRUE;
+
+ job->selection_points = *selection_points;
+ job->selection_style = selection_style;
+ job->text = *text;
+ job->base = *base;
+}
+
+/* EvJobPageData */
+static void
+ev_job_page_data_init (EvJobPageData *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static gboolean
+ev_job_page_data_run (EvJob *job)
+{
+ EvJobPageData *job_pd = EV_JOB_PAGE_DATA (job);
+ EvPage *ev_page;
+
+ ev_debug_message (DEBUG_JOBS, "page: %d (%p)", job_pd->page, job);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+ ev_page = ev_document_get_page (job->document, job_pd->page);
+
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_MAPPING) && EV_IS_DOCUMENT_TEXT (job->document))
+ job_pd->text_mapping =
+ ev_document_text_get_text_mapping (EV_DOCUMENT_TEXT (job->document), ev_page);
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT) && EV_IS_DOCUMENT_TEXT (job->document))
+ job_pd->text =
+ ev_document_text_get_text (EV_DOCUMENT_TEXT (job->document), ev_page);
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT) && EV_IS_DOCUMENT_TEXT (job->document))
+ ev_document_text_get_text_layout (EV_DOCUMENT_TEXT (job->document),
+ ev_page,
+ &(job_pd->text_layout),
+ &(job_pd->text_layout_length));
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_LINKS) && EV_IS_DOCUMENT_LINKS (job->document))
+ job_pd->link_mapping =
+ ev_document_links_get_links (EV_DOCUMENT_LINKS (job->document), ev_page);
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_FORMS) && EV_IS_DOCUMENT_FORMS (job->document))
+ job_pd->form_field_mapping =
+ ev_document_forms_get_form_fields (EV_DOCUMENT_FORMS (job->document),
+ ev_page);
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_IMAGES) && EV_IS_DOCUMENT_IMAGES (job->document))
+ job_pd->image_mapping =
+ ev_document_images_get_image_mapping (EV_DOCUMENT_IMAGES (job->document),
+ ev_page);
+ if ((job_pd->flags & EV_PAGE_DATA_INCLUDE_ANNOTS) && EV_IS_DOCUMENT_ANNOTATIONS (job->document))
+ job_pd->annot_mapping =
+ ev_document_annotations_get_annotations (EV_DOCUMENT_ANNOTATIONS (job->document),
+ ev_page);
+ g_object_unref (ev_page);
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_page_data_class_init (EvJobPageDataClass *class)
+{
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ job_class->run = ev_job_page_data_run;
+}
+
+EvJob *
+ev_job_page_data_new (EvDocument *document,
+ gint page,
+ EvJobPageDataFlags flags)
+{
+ EvJobPageData *job;
+
+ ev_debug_message (DEBUG_JOBS, "%d", page);
+
+ job = g_object_new (EV_TYPE_JOB_PAGE_DATA, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+ job->page = page;
+ job->flags = flags;
+
+ return EV_JOB (job);
+}
+
+/* EvJobThumbnail */
+static void
+ev_job_thumbnail_init (EvJobThumbnail *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_thumbnail_dispose (GObject *object)
+{
+ EvJobThumbnail *job;
+
+ job = EV_JOB_THUMBNAIL (object);
+
+ ev_debug_message (DEBUG_JOBS, "%d (%p)", job->page, job);
+
+ if (job->thumbnail) {
+ g_object_unref (job->thumbnail);
+ job->thumbnail = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_thumbnail_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_thumbnail_run (EvJob *job)
+{
+ EvJobThumbnail *job_thumb = EV_JOB_THUMBNAIL (job);
+ EvRenderContext *rc;
+ EvPage *page;
+
+ ev_debug_message (DEBUG_JOBS, "%d (%p)", job_thumb->page, job);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+
+ page = ev_document_get_page (job->document, job_thumb->page);
+ rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale);
+ g_object_unref (page);
+
+ job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (job->document),
+ rc, TRUE);
+ g_object_unref (rc);
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_thumbnail_class_init (EvJobThumbnailClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_thumbnail_dispose;
+ job_class->run = ev_job_thumbnail_run;
+}
+
+EvJob *
+ev_job_thumbnail_new (EvDocument *document,
+ gint page,
+ gint rotation,
+ gdouble scale)
+{
+ EvJobThumbnail *job;
+
+ ev_debug_message (DEBUG_JOBS, "%d", page);
+
+ job = g_object_new (EV_TYPE_JOB_THUMBNAIL, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+ job->page = page;
+ job->rotation = rotation;
+ job->scale = scale;
+
+ return EV_JOB (job);
+}
+
+/* EvJobFonts */
+static void
+ev_job_fonts_init (EvJobFonts *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP;
+}
+
+static gboolean
+ev_job_fonts_run (EvJob *job)
+{
+ EvJobFonts *job_fonts = EV_JOB_FONTS (job);
+ EvDocumentFonts *fonts = EV_DOCUMENT_FONTS (job->document);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ /* Do not block the main loop */
+ if (!ev_document_doc_mutex_trylock ())
+ return TRUE;
+
+ if (!ev_document_fc_mutex_trylock ())
+ return TRUE;
+
+#ifdef EV_ENABLE_DEBUG
+ /* We use the #ifdef in this case because of the if */
+ if (ev_document_fonts_get_progress (fonts) == 0)
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+#endif
+
+ job_fonts->scan_completed = !ev_document_fonts_scan (fonts, 20);
+ g_signal_emit (job_fonts, job_fonts_signals[FONTS_UPDATED], 0,
+ ev_document_fonts_get_progress (fonts));
+
+ ev_document_fc_mutex_unlock ();
+ ev_document_doc_mutex_unlock ();
+
+ if (job_fonts->scan_completed)
+ ev_job_succeeded (job);
+
+ return !job_fonts->scan_completed;
+}
+
+static void
+ev_job_fonts_class_init (EvJobFontsClass *class)
+{
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ job_class->run = ev_job_fonts_run;
+
+ job_fonts_signals[FONTS_UPDATED] =
+ g_signal_new ("updated",
+ EV_TYPE_JOB_FONTS,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvJobFontsClass, updated),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__DOUBLE,
+ G_TYPE_NONE,
+ 1, G_TYPE_DOUBLE);
+}
+
+EvJob *
+ev_job_fonts_new (EvDocument *document)
+{
+ EvJobFonts *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_FONTS, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+
+ return EV_JOB (job);
+}
+
+/* EvJobLoad */
+static void
+ev_job_load_init (EvJobLoad *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_load_dispose (GObject *object)
+{
+ EvJobLoad *job = EV_JOB_LOAD (object);
+
+ ev_debug_message (DEBUG_JOBS, "%s", job->uri);
+
+ if (job->uri) {
+ g_free (job->uri);
+ job->uri = NULL;
+ }
+
+ if (job->password) {
+ g_free (job->password);
+ job->password = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_load_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_load_run (EvJob *job)
+{
+ EvJobLoad *job_load = EV_JOB_LOAD (job);
+ GError *error = NULL;
+
+ ev_debug_message (DEBUG_JOBS, "%s", job_load->uri);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_fc_mutex_lock ();
+
+ /* This job may already have a document even if the job didn't complete
+ because, e.g., a password is required - if so, just reload rather than
+ creating a new instance */
+ if (job->document) {
+ const gchar *uncompressed_uri;
+
+ if (job_load->password) {
+ ev_document_security_set_password (EV_DOCUMENT_SECURITY (job->document),
+ job_load->password);
+ }
+
+ job->failed = FALSE;
+ job->finished = FALSE;
+ g_clear_error (&job->error);
+
+ uncompressed_uri = g_object_get_data (G_OBJECT (job->document),
+ "uri-uncompressed");
+ ev_document_load (job->document,
+ uncompressed_uri ? uncompressed_uri : job_load->uri,
+ &error);
+ } else {
+ job->document = ev_document_factory_get_document (job_load->uri,
+ &error);
+ }
+
+ ev_document_fc_mutex_unlock ();
+
+ if (error) {
+ ev_job_failed_from_error (job, error);
+ g_error_free (error);
+ } else {
+ ev_job_succeeded (job);
+ }
+
+ return FALSE;
+}
+
+static void
+ev_job_load_class_init (EvJobLoadClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_load_dispose;
+ job_class->run = ev_job_load_run;
+}
+
+EvJob *
+ev_job_load_new (const gchar *uri)
+{
+ EvJobLoad *job;
+
+ ev_debug_message (DEBUG_JOBS, "%s", uri);
+
+ job = g_object_new (EV_TYPE_JOB_LOAD, NULL);
+ job->uri = g_strdup (uri);
+
+ return EV_JOB (job);
+}
+
+void
+ev_job_load_set_uri (EvJobLoad *job, const gchar *uri)
+{
+ ev_debug_message (DEBUG_JOBS, "%s", uri);
+
+ if (job->uri)
+ g_free (job->uri);
+ job->uri = g_strdup (uri);
+}
+
+void
+ev_job_load_set_password (EvJobLoad *job, const gchar *password)
+{
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ if (job->password)
+ g_free (job->password);
+ job->password = password ? g_strdup (password) : NULL;
+}
+
+/* EvJobSave */
+static void
+ev_job_save_init (EvJobSave *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_save_dispose (GObject *object)
+{
+ EvJobSave *job = EV_JOB_SAVE (object);
+
+ ev_debug_message (DEBUG_JOBS, "%s", job->uri);
+
+ if (job->uri) {
+ g_free (job->uri);
+ job->uri = NULL;
+ }
+
+ if (job->document_uri) {
+ g_free (job->document_uri);
+ job->document_uri = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_save_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_save_run (EvJob *job)
+{
+ EvJobSave *job_save = EV_JOB_SAVE (job);
+ gint fd;
+ gchar *tmp_filename = NULL;
+ gchar *local_uri;
+ GError *error = NULL;
+
+ ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", job_save->uri, job_save->document_uri);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ fd = ev_mkstemp ("saveacopy.XXXXXX", &tmp_filename, &error);
+ if (fd == -1) {
+ ev_job_failed_from_error (job, error);
+ g_error_free (error);
+
+ return FALSE;
+ }
+
+ ev_document_doc_mutex_lock ();
+
+ /* Save document to temp filename */
+ local_uri = g_filename_to_uri (tmp_filename, NULL, &error);
+ if (local_uri != NULL) {
+ ev_document_save (job->document, local_uri, &error);
+ }
+
+ close (fd);
+
+ ev_document_doc_mutex_unlock ();
+
+ if (error) {
+ g_free (local_uri);
+ ev_job_failed_from_error (job, error);
+ g_error_free (error);
+
+ return FALSE;
+ }
+
+ /* If original document was compressed,
+ * compress it again before saving
+ */
+ if (g_object_get_data (G_OBJECT (job->document), "uri-uncompressed")) {
+ EvCompressionType ctype = EV_COMPRESSION_NONE;
+ const gchar *ext;
+ gchar *uri_comp;
+
+ ext = g_strrstr (job_save->document_uri, ".gz");
+ if (ext && g_ascii_strcasecmp (ext, ".gz") == 0)
+ ctype = EV_COMPRESSION_GZIP;
+
+ ext = g_strrstr (job_save->document_uri, ".bz2");
+ if (ext && g_ascii_strcasecmp (ext, ".bz2") == 0)
+ ctype = EV_COMPRESSION_BZIP2;
+
+ uri_comp = ev_file_compress (local_uri, ctype, &error);
+ g_free (local_uri);
+ g_unlink (tmp_filename);
+
+ if (!uri_comp || error) {
+ local_uri = NULL;
+ } else {
+ local_uri = uri_comp;
+ }
+ }
+
+ g_free (tmp_filename);
+
+ if (error) {
+ g_free (local_uri);
+ ev_job_failed_from_error (job, error);
+ g_error_free (error);
+
+ return FALSE;
+ }
+
+ if (!local_uri)
+ return FALSE;
+
+ ev_xfer_uri_simple (local_uri, job_save->uri, &error);
+ ev_tmp_uri_unlink (local_uri);
+
+ if (error) {
+ ev_job_failed_from_error (job, error);
+ g_error_free (error);
+ } else {
+ ev_job_succeeded (job);
+ }
+
+ return FALSE;
+}
+
+static void
+ev_job_save_class_init (EvJobSaveClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_save_dispose;
+ job_class->run = ev_job_save_run;
+}
+
+EvJob *
+ev_job_save_new (EvDocument *document,
+ const gchar *uri,
+ const gchar *document_uri)
+{
+ EvJobSave *job;
+
+ ev_debug_message (DEBUG_JOBS, "uri: %s, document_uri: %s", uri, document_uri);
+
+ job = g_object_new (EV_TYPE_JOB_SAVE, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+ job->uri = g_strdup (uri);
+ job->document_uri = g_strdup (document_uri);
+
+ return EV_JOB (job);
+}
+
+/* EvJobFind */
+static void
+ev_job_find_init (EvJobFind *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_MAIN_LOOP;
+}
+
+static void
+ev_job_find_dispose (GObject *object)
+{
+ EvJobFind *job = EV_JOB_FIND (object);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ if (job->text) {
+ g_free (job->text);
+ job->text = NULL;
+ }
+
+ if (job->pages) {
+ gint i;
+
+ for (i = 0; i < job->n_pages; i++) {
+ g_list_foreach (job->pages[i], (GFunc)ev_rectangle_free, NULL);
+ g_list_free (job->pages[i]);
+ }
+
+ g_free (job->pages);
+ job->pages = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_find_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_find_run (EvJob *job)
+{
+ EvJobFind *job_find = EV_JOB_FIND (job);
+ EvDocumentFind *find = EV_DOCUMENT_FIND (job->document);
+ EvPage *ev_page;
+ GList *matches;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ /* Do not block the main loop */
+ if (!ev_document_doc_mutex_trylock ())
+ return TRUE;
+
+#ifdef EV_ENABLE_DEBUG
+ /* We use the #ifdef in this case because of the if */
+ if (job_find->current_page == job_find->start_page)
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+#endif
+
+ ev_page = ev_document_get_page (job->document, job_find->current_page);
+ matches = ev_document_find_find_text (find, ev_page, job_find->text,
+ job_find->case_sensitive);
+ g_object_unref (ev_page);
+
+ ev_document_doc_mutex_unlock ();
+
+ if (!job_find->has_results)
+ job_find->has_results = (matches != NULL);
+
+ job_find->pages[job_find->current_page] = matches;
+ g_signal_emit (job_find, job_find_signals[FIND_UPDATED], 0, job_find->current_page);
+
+ job_find->current_page = (job_find->current_page + 1) % job_find->n_pages;
+ if (job_find->current_page == job_find->start_page) {
+ ev_job_succeeded (job);
+
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+ev_job_find_class_init (EvJobFindClass *class)
+{
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+
+ job_class->run = ev_job_find_run;
+ gobject_class->dispose = ev_job_find_dispose;
+
+ job_find_signals[FIND_UPDATED] =
+ g_signal_new ("updated",
+ EV_TYPE_JOB_FIND,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvJobFindClass, updated),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__INT,
+ G_TYPE_NONE,
+ 1, G_TYPE_INT);
+}
+
+EvJob *
+ev_job_find_new (EvDocument *document,
+ gint start_page,
+ gint n_pages,
+ const gchar *text,
+ gboolean case_sensitive)
+{
+ EvJobFind *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_FIND, NULL);
+
+ EV_JOB (job)->document = g_object_ref (document);
+ job->start_page = start_page;
+ job->current_page = start_page;
+ job->n_pages = n_pages;
+ job->pages = g_new0 (GList *, n_pages);
+ job->text = g_strdup (text);
+ job->case_sensitive = case_sensitive;
+ job->has_results = FALSE;
+
+ return EV_JOB (job);
+}
+
+gint
+ev_job_find_get_n_results (EvJobFind *job,
+ gint page)
+{
+ return g_list_length (job->pages[page]);
+}
+
+gdouble
+ev_job_find_get_progress (EvJobFind *job)
+{
+ gint pages_done;
+
+ if (ev_job_is_finished (EV_JOB (job)))
+ return 1.0;
+
+ if (job->current_page > job->start_page) {
+ pages_done = job->current_page - job->start_page + 1;
+ } else if (job->current_page == job->start_page) {
+ pages_done = job->n_pages;
+ } else {
+ pages_done = job->n_pages - job->start_page + job->current_page;
+ }
+
+ return pages_done / (gdouble) job->n_pages;
+}
+
+gboolean
+ev_job_find_has_results (EvJobFind *job)
+{
+ return job->has_results;
+}
+
+GList **
+ev_job_find_get_results (EvJobFind *job)
+{
+ return job->pages;
+}
+
+/* EvJobLayers */
+static void
+ev_job_layers_init (EvJobLayers *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+}
+
+static void
+ev_job_layers_dispose (GObject *object)
+{
+ EvJobLayers *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_LAYERS (object);
+
+ if (job->model) {
+ g_object_unref (job->model);
+ job->model = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_layers_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_layers_run (EvJob *job)
+{
+ EvJobLayers *job_layers = EV_JOB_LAYERS (job);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+ job_layers->model = ev_document_layers_get_layers (EV_DOCUMENT_LAYERS (job->document));
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_layers_class_init (EvJobLayersClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_layers_dispose;
+ job_class->run = ev_job_layers_run;
+}
+
+EvJob *
+ev_job_layers_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_LAYERS, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+/* EvJobExport */
+static void
+ev_job_export_init (EvJobExport *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+ job->page = -1;
+}
+
+static void
+ev_job_export_dispose (GObject *object)
+{
+ EvJobExport *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_EXPORT (object);
+
+ if (job->rc) {
+ g_object_unref (job->rc);
+ job->rc = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_export_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_export_run (EvJob *job)
+{
+ EvJobExport *job_export = EV_JOB_EXPORT (job);
+ EvPage *ev_page;
+
+ g_assert (job_export->page != -1);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ ev_document_doc_mutex_lock ();
+
+ ev_page = ev_document_get_page (job->document, job_export->page);
+ if (job_export->rc) {
+ job->failed = FALSE;
+ job->finished = FALSE;
+ g_clear_error (&job->error);
+
+ ev_render_context_set_page (job_export->rc, ev_page);
+ } else {
+ job_export->rc = ev_render_context_new (ev_page, 0, 1.0);
+ }
+ g_object_unref (ev_page);
+
+ ev_file_exporter_do_page (EV_FILE_EXPORTER (job->document), job_export->rc);
+
+ ev_document_doc_mutex_unlock ();
+
+ ev_job_succeeded (job);
+
+ return FALSE;
+}
+
+static void
+ev_job_export_class_init (EvJobExportClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_export_dispose;
+ job_class->run = ev_job_export_run;
+}
+
+EvJob *
+ev_job_export_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_EXPORT, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+void
+ev_job_export_set_page (EvJobExport *job,
+ gint page)
+{
+ job->page = page;
+}
+
+/* EvJobPrint */
+static void
+ev_job_print_init (EvJobPrint *job)
+{
+ EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;
+ job->page = -1;
+}
+
+static void
+ev_job_print_dispose (GObject *object)
+{
+ EvJobPrint *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = EV_JOB_PRINT (object);
+
+ if (job->cr) {
+ cairo_destroy (job->cr);
+ job->cr = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_job_print_parent_class)->dispose) (object);
+}
+
+static gboolean
+ev_job_print_run (EvJob *job)
+{
+ EvJobPrint *job_print = EV_JOB_PRINT (job);
+ EvPage *ev_page;
+ cairo_status_t cr_status;
+
+ g_assert (job_print->page != -1);
+ g_assert (job_print->cr != NULL);
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+ ev_profiler_start (EV_PROFILE_JOBS, "%s (%p)", EV_GET_TYPE_NAME (job), job);
+
+ job->failed = FALSE;
+ job->finished = FALSE;
+ g_clear_error (&job->error);
+
+ ev_document_doc_mutex_lock ();
+
+ ev_page = ev_document_get_page (job->document, job_print->page);
+ ev_document_print_print_page (EV_DOCUMENT_PRINT (job->document),
+ ev_page, job_print->cr);
+ g_object_unref (ev_page);
+
+ ev_document_doc_mutex_unlock ();
+
+ cr_status = cairo_status (job_print->cr);
+ if (cr_status == CAIRO_STATUS_SUCCESS) {
+ ev_job_succeeded (job);
+ } else {
+ ev_job_failed (job,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ _("Failed to print page %d: %s"),
+ job_print->page,
+ cairo_status_to_string (cr_status));
+ }
+
+ return FALSE;
+}
+
+static void
+ev_job_print_class_init (EvJobPrintClass *class)
+{
+ GObjectClass *oclass = G_OBJECT_CLASS (class);
+ EvJobClass *job_class = EV_JOB_CLASS (class);
+
+ oclass->dispose = ev_job_print_dispose;
+ job_class->run = ev_job_print_run;
+}
+
+EvJob *
+ev_job_print_new (EvDocument *document)
+{
+ EvJob *job;
+
+ ev_debug_message (DEBUG_JOBS, NULL);
+
+ job = g_object_new (EV_TYPE_JOB_PRINT, NULL);
+ job->document = g_object_ref (document);
+
+ return job;
+}
+
+void
+ev_job_print_set_page (EvJobPrint *job,
+ gint page)
+{
+ job->page = page;
+}
+
+void
+ev_job_print_set_cairo (EvJobPrint *job,
+ cairo_t *cr)
+{
+ if (job->cr == cr)
+ return;
+
+ if (job->cr)
+ cairo_destroy (job->cr);
+ job->cr = cr ? cairo_reference (cr) : NULL;
+}
diff --git a/libview/ev-jobs.h b/libview/ev-jobs.h
new file mode 100644
index 00000000..14b47f78
--- /dev/null
+++ b/libview/ev-jobs.h
@@ -0,0 +1,502 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ * Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_JOBS_H__
+#define __EV_JOBS_H__
+
+#include <gio/gio.h>
+#include <gtk/gtk.h>
+#include <cairo.h>
+
+#include <evince-document.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EvJob EvJob;
+typedef struct _EvJobClass EvJobClass;
+
+typedef struct _EvJobRender EvJobRender;
+typedef struct _EvJobRenderClass EvJobRenderClass;
+
+typedef struct _EvJobPageData EvJobPageData;
+typedef struct _EvJobPageDataClass EvJobPageDataClass;
+
+typedef struct _EvJobThumbnail EvJobThumbnail;
+typedef struct _EvJobThumbnailClass EvJobThumbnailClass;
+
+typedef struct _EvJobLinks EvJobLinks;
+typedef struct _EvJobLinksClass EvJobLinksClass;
+
+typedef struct _EvJobAttachments EvJobAttachments;
+typedef struct _EvJobAttachmentsClass EvJobAttachmentsClass;
+
+typedef struct _EvJobAnnots EvJobAnnots;
+typedef struct _EvJobAnnotsClass EvJobAnnotsClass;
+
+typedef struct _EvJobFonts EvJobFonts;
+typedef struct _EvJobFontsClass EvJobFontsClass;
+
+typedef struct _EvJobLoad EvJobLoad;
+typedef struct _EvJobLoadClass EvJobLoadClass;
+
+typedef struct _EvJobSave EvJobSave;
+typedef struct _EvJobSaveClass EvJobSaveClass;
+
+typedef struct _EvJobFind EvJobFind;
+typedef struct _EvJobFindClass EvJobFindClass;
+
+typedef struct _EvJobLayers EvJobLayers;
+typedef struct _EvJobLayersClass EvJobLayersClass;
+
+typedef struct _EvJobExport EvJobExport;
+typedef struct _EvJobExportClass EvJobExportClass;
+
+typedef struct _EvJobPrint EvJobPrint;
+typedef struct _EvJobPrintClass EvJobPrintClass;
+
+#define EV_TYPE_JOB (ev_job_get_type())
+#define EV_JOB(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB, EvJob))
+#define EV_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB, EvJobClass))
+#define EV_IS_JOB(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB))
+#define EV_JOB_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_JOB, EvJobClass))
+
+#define EV_TYPE_JOB_LINKS (ev_job_links_get_type())
+#define EV_JOB_LINKS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LINKS, EvJobLinks))
+#define EV_JOB_LINKS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LINKS, EvJobLinksClass))
+#define EV_IS_JOB_LINKS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LINKS))
+
+#define EV_TYPE_JOB_ATTACHMENTS (ev_job_attachments_get_type())
+#define EV_JOB_ATTACHMENTS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachments))
+#define EV_JOB_ATTACHMENTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_ATTACHMENTS, EvJobAttachmentsClass))
+#define EV_IS_JOB_ATTACHMENTS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_ATTACHMENTS))
+
+#define EV_TYPE_JOB_ANNOTS (ev_job_annots_get_type())
+#define EV_JOB_ANNOTS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_ANNOTS, EvJobAnnots))
+#define EV_JOB_ANNOTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_ANNOTS, EvJobAnnotsClass))
+#define EV_IS_JOB_ANNOTS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_ANNOTS))
+
+#define EV_TYPE_JOB_RENDER (ev_job_render_get_type())
+#define EV_JOB_RENDER(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_RENDER, EvJobRender))
+#define EV_JOB_RENDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_RENDER, EvJobRenderClass))
+#define EV_IS_JOB_RENDER(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_RENDER))
+
+#define EV_TYPE_JOB_PAGE_DATA (ev_job_page_data_get_type())
+#define EV_JOB_PAGE_DATA(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_PAGE_DATA, EvJobPageData))
+#define EV_JOB_PAGE_DATA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_PAGE_DATA, EvJobPageDataClass))
+#define EV_IS_JOB_PAGE_DATA(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_PAGE_DATA))
+
+#define EV_TYPE_JOB_THUMBNAIL (ev_job_thumbnail_get_type())
+#define EV_JOB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnail))
+#define EV_JOB_THUMBNAIL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_THUMBNAIL, EvJobThumbnailClass))
+#define EV_IS_JOB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_THUMBNAIL))
+
+#define EV_TYPE_JOB_FONTS (ev_job_fonts_get_type())
+#define EV_JOB_FONTS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FONTS, EvJobFonts))
+#define EV_JOB_FONTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FONTS, EvJobFontsClass))
+#define EV_IS_JOB_FONTS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FONTS))
+
+#define EV_TYPE_JOB_LOAD (ev_job_load_get_type())
+#define EV_JOB_LOAD(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LOAD, EvJobLoad))
+#define EV_JOB_LOAD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LOAD, EvJobLoadClass))
+#define EV_IS_JOB_LOAD(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LOAD))
+
+#define EV_TYPE_JOB_SAVE (ev_job_save_get_type())
+#define EV_JOB_SAVE(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_SAVE, EvJobSave))
+#define EV_JOB_SAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_SAVE, EvJobSaveClass))
+#define EV_IS_JOB_SAVE(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_SAVE))
+
+#define EV_TYPE_JOB_FIND (ev_job_find_get_type())
+#define EV_JOB_FIND(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_FIND, EvJobFind))
+#define EV_JOB_FIND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_FIND, EvJobFindClass))
+#define EV_IS_JOB_FIND(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_FIND))
+
+#define EV_TYPE_JOB_LAYERS (ev_job_layers_get_type())
+#define EV_JOB_LAYERS(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_LAYERS, EvJobLayers))
+#define EV_JOB_LAYERS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_LAYERS, EvJobLayersClass))
+#define EV_IS_JOB_LAYERS(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_LAYERS))
+
+#define EV_TYPE_JOB_EXPORT (ev_job_export_get_type())
+#define EV_JOB_EXPORT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_EXPORT, EvJobExport))
+#define EV_JOB_EXPORT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_EXPORT, EvJobExportClass))
+#define EV_IS_JOB_EXPORT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_EXPORT))
+
+#define EV_TYPE_JOB_PRINT (ev_job_print_get_type())
+#define EV_JOB_PRINT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_PRINT, EvJobPrint))
+#define EV_JOB_PRINT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_PRINT, EvJobPrintClass))
+#define EV_IS_JOB_PRINT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_PRINT))
+
+typedef enum {
+ EV_JOB_RUN_THREAD,
+ EV_JOB_RUN_MAIN_LOOP
+} EvJobRunMode;
+
+struct _EvJob
+{
+ GObject parent;
+
+ EvDocument *document;
+
+ EvJobRunMode run_mode;
+
+ guint cancelled : 1;
+ guint finished : 1;
+ guint failed : 1;
+
+ GError *error;
+ GCancellable *cancellable;
+
+ guint idle_finished_id;
+ guint idle_cancelled_id;
+};
+
+struct _EvJobClass
+{
+ GObjectClass parent_class;
+
+ gboolean (*run) (EvJob *job);
+
+ /* Signals */
+ void (* cancelled) (EvJob *job);
+ void (* finished) (EvJob *job);
+};
+
+struct _EvJobLinks
+{
+ EvJob parent;
+
+ GtkTreeModel *model;
+};
+
+struct _EvJobLinksClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobAttachments
+{
+ EvJob parent;
+
+ GList *attachments;
+};
+
+struct _EvJobAttachmentsClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobAnnots
+{
+ EvJob parent;
+
+ GList *annots;
+};
+
+struct _EvJobAnnotsClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobRender
+{
+ EvJob parent;
+
+ gint page;
+ gint rotation;
+ gdouble scale;
+
+ gboolean page_ready;
+ gint target_width;
+ gint target_height;
+ cairo_surface_t *surface;
+
+ gboolean include_selection;
+ cairo_surface_t *selection;
+ cairo_region_t *selection_region;
+ EvRectangle selection_points;
+ EvSelectionStyle selection_style;
+ GdkColor base;
+ GdkColor text;
+};
+
+struct _EvJobRenderClass
+{
+ EvJobClass parent_class;
+};
+
+typedef enum {
+ EV_PAGE_DATA_INCLUDE_NONE = 0,
+ EV_PAGE_DATA_INCLUDE_LINKS = 1 << 0,
+ EV_PAGE_DATA_INCLUDE_TEXT = 1 << 1,
+ EV_PAGE_DATA_INCLUDE_TEXT_MAPPING = 1 << 2,
+ EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT = 1 << 3,
+ EV_PAGE_DATA_INCLUDE_IMAGES = 1 << 4,
+ EV_PAGE_DATA_INCLUDE_FORMS = 1 << 5,
+ EV_PAGE_DATA_INCLUDE_ANNOTS = 1 << 6,
+ EV_PAGE_DATA_INCLUDE_ALL = (1 << 7) - 1
+} EvJobPageDataFlags;
+
+struct _EvJobPageData
+{
+ EvJob parent;
+
+ gint page;
+ EvJobPageDataFlags flags;
+
+ EvMappingList *link_mapping;
+ EvMappingList *image_mapping;
+ EvMappingList *form_field_mapping;
+ EvMappingList *annot_mapping;
+ cairo_region_t *text_mapping;
+ gchar *text;
+ EvRectangle *text_layout;
+ guint text_layout_length;
+};
+
+struct _EvJobPageDataClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobThumbnail
+{
+ EvJob parent;
+
+ gint page;
+ gint rotation;
+ gdouble scale;
+
+ GdkPixbuf *thumbnail;
+};
+
+struct _EvJobThumbnailClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobFonts
+{
+ EvJob parent;
+ gboolean scan_completed;
+};
+
+struct _EvJobFontsClass
+{
+ EvJobClass parent_class;
+
+ /* Signals */
+ void (* updated) (EvJobFonts *job,
+ gdouble progress);
+};
+
+struct _EvJobLoad
+{
+ EvJob parent;
+
+ gchar *uri;
+ gchar *password;
+};
+
+struct _EvJobLoadClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobSave
+{
+ EvJob parent;
+
+ gchar *uri;
+ gchar *document_uri;
+};
+
+struct _EvJobSaveClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobFind
+{
+ EvJob parent;
+
+ gint start_page;
+ gint current_page;
+ gint n_pages;
+ GList **pages;
+ gchar *text;
+ gboolean case_sensitive;
+ gboolean has_results;
+};
+
+struct _EvJobFindClass
+{
+ EvJobClass parent_class;
+
+ /* Signals */
+ void (* updated) (EvJobFind *job,
+ gint page);
+};
+
+struct _EvJobLayers
+{
+ EvJob parent;
+
+ GtkTreeModel *model;
+};
+
+struct _EvJobLayersClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobExport
+{
+ EvJob parent;
+
+ gint page;
+ EvRenderContext *rc;
+};
+
+struct _EvJobExportClass
+{
+ EvJobClass parent_class;
+};
+
+struct _EvJobPrint
+{
+ EvJob parent;
+
+ gint page;
+ cairo_t *cr;
+};
+
+struct _EvJobPrintClass
+{
+ EvJobClass parent_class;
+};
+
+/* Base job class */
+GType ev_job_get_type (void) G_GNUC_CONST;
+gboolean ev_job_run (EvJob *job);
+void ev_job_cancel (EvJob *job);
+void ev_job_failed (EvJob *job,
+ GQuark domain,
+ gint code,
+ const gchar *format,
+ ...);
+void ev_job_failed_from_error (EvJob *job,
+ GError *error);
+void ev_job_succeeded (EvJob *job);
+gboolean ev_job_is_finished (EvJob *job);
+gboolean ev_job_is_failed (EvJob *job);
+EvJobRunMode ev_job_get_run_mode (EvJob *job);
+void ev_job_set_run_mode (EvJob *job,
+ EvJobRunMode run_mode);
+
+/* EvJobLinks */
+GType ev_job_links_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_links_new (EvDocument *document);
+
+/* EvJobAttachments */
+GType ev_job_attachments_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_attachments_new (EvDocument *document);
+
+/* EvJobAnnots */
+GType ev_job_annots_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_annots_new (EvDocument *document);
+
+/* EvJobRender */
+GType ev_job_render_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_render_new (EvDocument *document,
+ gint page,
+ gint rotation,
+ gdouble scale,
+ gint width,
+ gint height);
+void ev_job_render_set_selection_info (EvJobRender *job,
+ EvRectangle *selection_points,
+ EvSelectionStyle selection_style,
+ GdkColor *text,
+ GdkColor *base);
+/* EvJobPageData */
+GType ev_job_page_data_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_page_data_new (EvDocument *document,
+ gint page,
+ EvJobPageDataFlags flags);
+
+/* EvJobThumbnail */
+GType ev_job_thumbnail_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_thumbnail_new (EvDocument *document,
+ gint page,
+ gint rotation,
+ gdouble scale);
+/* EvJobFonts */
+GType ev_job_fonts_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_fonts_new (EvDocument *document);
+
+/* EvJobLoad */
+GType ev_job_load_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_load_new (const gchar *uri);
+void ev_job_load_set_uri (EvJobLoad *load,
+ const gchar *uri);
+void ev_job_load_set_password (EvJobLoad *job,
+ const gchar *password);
+
+/* EvJobSave */
+GType ev_job_save_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_save_new (EvDocument *document,
+ const gchar *uri,
+ const gchar *document_uri);
+/* EvJobFind */
+GType ev_job_find_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_find_new (EvDocument *document,
+ gint start_page,
+ gint n_pages,
+ const gchar *text,
+ gboolean case_sensitive);
+gint ev_job_find_get_n_results (EvJobFind *job,
+ gint pages);
+gdouble ev_job_find_get_progress (EvJobFind *job);
+gboolean ev_job_find_has_results (EvJobFind *job);
+GList **ev_job_find_get_results (EvJobFind *job);
+
+/* EvJobLayers */
+GType ev_job_layers_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_layers_new (EvDocument *document);
+
+/* EvJobExport */
+GType ev_job_export_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_export_new (EvDocument *document);
+void ev_job_export_set_page (EvJobExport *job,
+ gint page);
+/* EvJobPrint */
+GType ev_job_print_get_type (void) G_GNUC_CONST;
+EvJob *ev_job_print_new (EvDocument *document);
+void ev_job_print_set_page (EvJobPrint *job,
+ gint page);
+void ev_job_print_set_cairo (EvJobPrint *job,
+ cairo_t *cr);
+
+G_END_DECLS
+
+#endif /* __EV_JOBS_H__ */
diff --git a/libview/ev-loading-window.c b/libview/ev-loading-window.c
new file mode 100644
index 00000000..e6352fe9
--- /dev/null
+++ b/libview/ev-loading-window.c
@@ -0,0 +1,278 @@
+/* ev-loading-window.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include "ev-loading-window.h"
+
+enum {
+ PROP_0,
+ PROP_PARENT
+};
+
+struct _EvLoadingWindow {
+ GtkWindow base_instance;
+
+ GtkWindow *parent;
+
+ gint x;
+ gint y;
+ gint width;
+ gint height;
+};
+
+struct _EvLoadingWindowClass {
+ GtkWindowClass base_class;
+};
+
+G_DEFINE_TYPE (EvLoadingWindow, ev_loading_window, GTK_TYPE_WINDOW)
+
+static void
+ev_loading_window_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvLoadingWindow *window = EV_LOADING_WINDOW (object);
+
+ switch (prop_id) {
+ case PROP_PARENT:
+ window->parent = g_value_get_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_loading_window_init (EvLoadingWindow *window)
+{
+ GtkWindow *gtk_window = GTK_WINDOW (window);
+ GtkWidget *widget = GTK_WIDGET (window);
+ GtkWidget *hbox;
+ GtkWidget *spinner;
+ GtkWidget *label;
+ GtkStyle *style;
+ GdkColor fg, bg;
+ const gchar *loading_text = _("Loading…");
+ const gchar *fg_color_name = "info_fg_color";
+ const gchar *bg_color_name = "info_bg_color";
+
+ hbox = gtk_hbox_new (FALSE, 12);
+
+ spinner = gtk_spinner_new ();
+ gtk_spinner_start (GTK_SPINNER (spinner));
+ gtk_box_pack_start (GTK_BOX (hbox), spinner, FALSE, FALSE, 0);
+ gtk_widget_show (spinner);
+
+ label = gtk_label_new (loading_text);
+ gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
+ gtk_widget_show (label);
+
+ gtk_container_add (GTK_CONTAINER (window), hbox);
+ gtk_widget_show (hbox);
+
+ gtk_widget_set_app_paintable (widget, TRUE);
+
+ gtk_container_set_border_width (GTK_CONTAINER (window), 10);
+
+ gtk_window_set_type_hint (gtk_window, GDK_WINDOW_TYPE_HINT_NOTIFICATION);
+ gtk_window_set_accept_focus (gtk_window, FALSE);
+ gtk_window_set_decorated (gtk_window, FALSE);
+ gtk_window_set_resizable (gtk_window, FALSE);
+
+ style = gtk_widget_get_style (widget);
+ if (!gtk_style_lookup_color (style, fg_color_name, &fg) ||
+ !gtk_style_lookup_color (style, bg_color_name, &bg)) {
+ fg.pixel = 0;
+ fg.red = 0xb800;
+ fg.green = 0xad00;
+ fg.blue = 0x9d00;
+
+ bg.pixel = 0;
+ bg.red = 0xff00;
+ bg.green = 0xff00;
+ bg.blue = 0xbf00;
+ }
+
+ if (!gdk_color_equal (&bg, &style->bg[GTK_STATE_NORMAL]))
+ gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, &bg);
+ if (!gdk_color_equal (&fg, &style->fg[GTK_STATE_NORMAL]))
+ gtk_widget_modify_fg (widget, GTK_STATE_NORMAL, &fg);
+}
+
+static GObject *
+ev_loading_window_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ EvLoadingWindow *window;
+ GtkWindow *gtk_window;
+
+ object = G_OBJECT_CLASS (ev_loading_window_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ window = EV_LOADING_WINDOW (object);
+ gtk_window = GTK_WINDOW (window);
+
+ gtk_window_set_transient_for (gtk_window, window->parent);
+ gtk_window_set_destroy_with_parent (gtk_window, TRUE);
+
+ return object;
+}
+
+static void
+_cairo_rounded_rectangle (cairo_t *cr,
+ gint width,
+ gint height,
+ gdouble radius)
+{
+ cairo_move_to (cr, radius, 0);
+ cairo_line_to (cr, width - radius, 0);
+ cairo_curve_to (cr,
+ width, 0,
+ width, 0,
+ width,
+ radius);
+ cairo_line_to (cr, width, height - radius);
+ cairo_curve_to (cr,
+ width,height,
+ width, height,
+ width - radius,
+ height);
+ cairo_line_to (cr, radius, height);
+ cairo_curve_to (cr,
+ 0, height,
+ 0, height,
+ 0, height - radius);
+ cairo_line_to (cr, 0, radius);
+ cairo_curve_to (cr,
+ 0, 0,
+ 0, 0,
+ radius, 0);
+}
+
+static void
+ev_loading_window_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ EvLoadingWindow *window = EV_LOADING_WINDOW (widget);
+ GdkPixmap *mask;
+ cairo_t *cr;
+ double r;
+
+ GTK_WIDGET_CLASS (ev_loading_window_parent_class)->size_allocate (widget, allocation);
+
+ if (allocation->width == window->width && allocation->height == window->height)
+ return;
+
+ window->width = allocation->width;
+ window->height = allocation->height;
+
+ mask = gdk_pixmap_new (NULL, window->width, window->height, 1);
+ cr = gdk_cairo_create (GDK_DRAWABLE (mask));
+
+ cairo_save (cr);
+ cairo_rectangle (cr, 0, 0, window->width, window->height);
+ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
+ cairo_fill (cr);
+ cairo_restore (cr);
+
+ cairo_set_source_rgb (cr, 1., 1., 1.);
+ r = MIN (window->width, window->height) / 2.;
+ _cairo_rounded_rectangle (cr, window->width, window->height, r);
+ cairo_fill (cr);
+
+ cairo_destroy (cr);
+
+ gtk_widget_shape_combine_mask (widget, mask, 0, 0);
+ g_object_unref (mask);
+}
+
+static void
+ev_loading_window_hide (GtkWidget *widget)
+{
+ EvLoadingWindow *window = EV_LOADING_WINDOW (widget);
+
+ window->x = window->y = 0;
+
+ GTK_WIDGET_CLASS (ev_loading_window_parent_class)->hide (widget);
+}
+
+static void
+ev_loading_window_class_init (EvLoadingWindowClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ GtkWidgetClass *gtk_widget_class = GTK_WIDGET_CLASS (klass);
+
+ g_object_class->constructor = ev_loading_window_constructor;
+ g_object_class->set_property = ev_loading_window_set_property;
+
+ gtk_widget_class->size_allocate = ev_loading_window_size_allocate;
+ gtk_widget_class->hide = ev_loading_window_hide;
+
+ g_object_class_install_property (g_object_class,
+ PROP_PARENT,
+ g_param_spec_object ("parent",
+ "Parent",
+ "The parent window",
+ GTK_TYPE_WINDOW,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+}
+
+/* Public methods */
+GtkWidget *
+ev_loading_window_new (GtkWindow *parent)
+{
+ GtkWidget *window;
+
+ g_return_val_if_fail (GTK_IS_WINDOW (parent), NULL);
+
+ window = g_object_new (EV_TYPE_LOADING_WINDOW,
+ "parent", parent,
+ NULL);
+ return window;
+}
+
+void
+ev_loading_window_get_size (EvLoadingWindow *window,
+ gint *width,
+ gint *height)
+{
+ if (width) *width = window->width;
+ if (height) *height = window->height;
+}
+
+void
+ev_loading_window_move (EvLoadingWindow *window,
+ gint x,
+ gint y)
+{
+ if (x == window->x && y == window->y)
+ return;
+
+ window->x = x;
+ window->y = y;
+ gtk_window_move (GTK_WINDOW (window), x, y);
+}
diff --git a/libview/ev-loading-window.h b/libview/ev-loading-window.h
new file mode 100644
index 00000000..fd8eee61
--- /dev/null
+++ b/libview/ev-loading-window.h
@@ -0,0 +1,49 @@
+/* ev-loading-window.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef EV_LOADING_WINDOW_H
+#define EV_LOADING_WINDOW_H
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EvLoadingWindow EvLoadingWindow;
+typedef struct _EvLoadingWindowClass EvLoadingWindowClass;
+
+#define EV_TYPE_LOADING_WINDOW (ev_loading_window_get_type())
+#define EV_LOADING_WINDOW(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_LOADING_WINDOW, EvLoadingWindow))
+#define EV_LOADING_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_LOADING_WINDOW, EvLoadingWindowClass))
+#define EV_IS_LOADING_WINDOW(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_LOADING_WINDOW))
+#define EV_IS_LOADING_WINDOW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), EV_TYPE_LOADING_WINDOW))
+#define EV_LOADING_WINDOW_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_LOADING_WINDOW, EvLoadingWindowClass))
+
+GType ev_loading_window_get_type (void) G_GNUC_CONST;
+GtkWidget *ev_loading_window_new (GtkWindow *parent);
+void ev_loading_window_get_size (EvLoadingWindow *window,
+ gint *width,
+ gint *height);
+void ev_loading_window_move (EvLoadingWindow *window,
+ gint x,
+ gint y);
+
+G_END_DECLS
+
+#endif /* EV_LOADING_WINDOW_H */
diff --git a/libview/ev-page-cache.c b/libview/ev-page-cache.c
new file mode 100644
index 00000000..c4dc062c
--- /dev/null
+++ b/libview/ev-page-cache.c
@@ -0,0 +1,521 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+
+#include <glib.h>
+#include "ev-jobs.h"
+#include "ev-job-scheduler.h"
+#include "ev-mapping-list.h"
+#include "ev-selection.h"
+#include "ev-document-links.h"
+#include "ev-document-forms.h"
+#include "ev-document-images.h"
+#include "ev-document-annotations.h"
+#include "ev-document-text.h"
+#include "ev-page-cache.h"
+
+typedef struct _EvPageCacheData {
+ EvJob *job;
+ gboolean done : 1;
+ gboolean dirty : 1;
+ EvJobPageDataFlags flags;
+
+ EvMappingList *link_mapping;
+ EvMappingList *image_mapping;
+ EvMappingList *form_field_mapping;
+ EvMappingList *annot_mapping;
+ cairo_region_t *text_mapping;
+ EvRectangle *text_layout;
+ guint text_layout_length;
+ gchar *text;
+} EvPageCacheData;
+
+struct _EvPageCache {
+ GObject parent;
+
+ EvDocument *document;
+ EvPageCacheData *page_list;
+ gint n_pages;
+
+ /* Current range */
+ gint start_page;
+ gint end_page;
+
+ EvJobPageDataFlags flags;
+};
+
+struct _EvPageCacheClass {
+ GObjectClass parent_class;
+};
+
+#define EV_PAGE_DATA_FLAGS_DEFAULT ( \
+ EV_PAGE_DATA_INCLUDE_LINKS | \
+ EV_PAGE_DATA_INCLUDE_TEXT_MAPPING | \
+ EV_PAGE_DATA_INCLUDE_IMAGES | \
+ EV_PAGE_DATA_INCLUDE_FORMS | \
+ EV_PAGE_DATA_INCLUDE_ANNOTS)
+
+
+static void job_page_data_finished_cb (EvJob *job,
+ EvPageCache *cache);
+static void job_page_data_cancelled_cb (EvJob *job,
+ EvPageCacheData *data);
+
+G_DEFINE_TYPE (EvPageCache, ev_page_cache, G_TYPE_OBJECT)
+
+static void
+ev_page_cache_data_free (EvPageCacheData *data)
+{
+ if (data->job) {
+ g_object_unref (data->job);
+ data->job = NULL;
+ }
+
+ if (data->link_mapping) {
+ ev_mapping_list_unref (data->link_mapping);
+ data->link_mapping = NULL;
+ }
+
+ if (data->image_mapping) {
+ ev_mapping_list_unref (data->image_mapping);
+ data->image_mapping = NULL;
+ }
+
+ if (data->form_field_mapping) {
+ ev_mapping_list_unref (data->form_field_mapping);
+ data->form_field_mapping = NULL;
+ }
+
+ if (data->annot_mapping) {
+ ev_mapping_list_unref (data->annot_mapping);
+ data->annot_mapping = NULL;
+ }
+
+ if (data->text_mapping) {
+ cairo_region_destroy (data->text_mapping);
+ data->text_mapping = NULL;
+ }
+
+ if (data->text_layout) {
+ g_free (data->text_layout);
+ data->text_layout = NULL;
+ data->text_layout_length = 0;
+ }
+
+ if (data->text) {
+ g_free (data->text);
+ data->text = NULL;
+ }
+}
+
+static void
+ev_page_cache_finalize (GObject *object)
+{
+ EvPageCache *cache = EV_PAGE_CACHE (object);
+ gint i;
+
+ if (cache->page_list) {
+ for (i = 0; i < cache->n_pages; i++) {
+ EvPageCacheData *data;
+
+ data = &cache->page_list[i];
+
+ if (data->job) {
+ g_signal_handlers_disconnect_by_func (data->job,
+ G_CALLBACK (job_page_data_finished_cb),
+ cache);
+ g_signal_handlers_disconnect_by_func (data->job,
+ G_CALLBACK (job_page_data_cancelled_cb),
+ data);
+ }
+ ev_page_cache_data_free (data);
+ }
+
+ g_free (cache->page_list);
+ cache->page_list = NULL;
+ cache->n_pages = 0;
+ }
+
+ if (cache->document) {
+ g_object_unref (cache->document);
+ cache->document = NULL;
+ }
+
+ G_OBJECT_CLASS (ev_page_cache_parent_class)->finalize (object);
+}
+
+static void
+ev_page_cache_init (EvPageCache *cache)
+{
+}
+
+static void
+ev_page_cache_class_init (EvPageCacheClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+
+ g_object_class->finalize = ev_page_cache_finalize;
+}
+
+static EvJobPageDataFlags
+ev_page_cache_get_flags_for_data (EvPageCache *cache,
+ EvPageCacheData *data)
+{
+ EvJobPageDataFlags flags = EV_PAGE_DATA_INCLUDE_NONE;
+
+ if (data->flags == cache->flags && !data->dirty)
+ return cache->flags;
+
+ /* Flags changed or data is dirty */
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_LINKS) {
+ flags = (data->link_mapping) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_LINKS :
+ flags | EV_PAGE_DATA_INCLUDE_LINKS;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_IMAGES) {
+ flags = (data->image_mapping) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_IMAGES :
+ flags | EV_PAGE_DATA_INCLUDE_IMAGES;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_FORMS) {
+ flags = (data->form_field_mapping) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_FORMS :
+ flags | EV_PAGE_DATA_INCLUDE_FORMS;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_ANNOTS) {
+ flags = (data->annot_mapping) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_ANNOTS :
+ flags | EV_PAGE_DATA_INCLUDE_ANNOTS;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_MAPPING) {
+ flags = (data->text_mapping) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_TEXT_MAPPING :
+ flags | EV_PAGE_DATA_INCLUDE_TEXT_MAPPING;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_TEXT) {
+ flags = (data->text) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_TEXT :
+ flags | EV_PAGE_DATA_INCLUDE_TEXT;
+ }
+
+ if (cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT) {
+ flags = (data->text_layout_length > 0) ?
+ flags & ~EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT :
+ flags | EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT;
+ }
+
+ return flags;
+}
+
+EvPageCache *
+ev_page_cache_new (EvDocument *document)
+{
+ EvPageCache *cache;
+
+ g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL);
+
+ cache = EV_PAGE_CACHE (g_object_new (EV_TYPE_PAGE_CACHE, NULL));
+ cache->document = g_object_ref (document);
+ cache->n_pages = ev_document_get_n_pages (document);
+ cache->flags = EV_PAGE_DATA_FLAGS_DEFAULT;
+ cache->page_list = g_new0 (EvPageCacheData, cache->n_pages);
+
+ return cache;
+}
+
+static void
+job_page_data_finished_cb (EvJob *job,
+ EvPageCache *cache)
+{
+ EvJobPageData *job_data = EV_JOB_PAGE_DATA (job);
+ EvPageCacheData *data;
+
+ data = &cache->page_list[job_data->page];
+
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_LINKS)
+ data->link_mapping = job_data->link_mapping;
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_IMAGES)
+ data->image_mapping = job_data->image_mapping;
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_FORMS)
+ data->form_field_mapping = job_data->form_field_mapping;
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_ANNOTS)
+ data->annot_mapping = job_data->annot_mapping;
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_TEXT_MAPPING)
+ data->text_mapping = job_data->text_mapping;
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT) {
+ data->text_layout = job_data->text_layout;
+ data->text_layout_length = job_data->text_layout_length;
+ }
+ if (job_data->flags & EV_PAGE_DATA_INCLUDE_TEXT)
+ data->text = job_data->text;
+ data->done = TRUE;
+ data->dirty = FALSE;
+
+ g_object_unref (data->job);
+ data->job = NULL;
+}
+
+static void
+job_page_data_cancelled_cb (EvJob *job,
+ EvPageCacheData *data)
+{
+ g_object_unref (data->job);
+ data->job = NULL;
+}
+
+void
+ev_page_cache_set_page_range (EvPageCache *cache,
+ gint start,
+ gint end)
+{
+ gint i;
+
+ if (cache->flags == EV_PAGE_DATA_INCLUDE_NONE)
+ return;
+
+ cache->start_page = start;
+ cache->end_page = end;
+
+ for (i = start; i <= end; i++) {
+ EvPageCacheData *data = &cache->page_list[i];
+ EvJobPageDataFlags flags;
+
+ if (data->flags == cache->flags && !data->dirty && (data->done || data->job))
+ continue;
+
+ if (data->job)
+ ev_job_cancel (data->job);
+
+ flags = ev_page_cache_get_flags_for_data (cache, data);
+
+ data->flags = cache->flags;
+ data->job = ev_job_page_data_new (cache->document, i, flags);
+ g_signal_connect (data->job, "finished",
+ G_CALLBACK (job_page_data_finished_cb),
+ cache);
+ g_signal_connect (data->job, "cancelled",
+ G_CALLBACK (job_page_data_cancelled_cb),
+ data);
+ ev_job_scheduler_push_job (data->job, EV_JOB_PRIORITY_NONE);
+ }
+}
+
+EvJobPageDataFlags
+ev_page_cache_get_flags (EvPageCache *cache)
+{
+ return cache->flags;
+}
+
+void
+ev_page_cache_set_flags (EvPageCache *cache,
+ EvJobPageDataFlags flags)
+{
+ if (cache->flags == flags)
+ return;
+
+ cache->flags = flags;
+
+ /* Update the current range for new flags */
+ ev_page_cache_set_page_range (cache, cache->start_page, cache->end_page);
+}
+
+void
+ev_page_cache_mark_dirty (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_if_fail (EV_IS_PAGE_CACHE (cache));
+
+ data = &cache->page_list[page];
+ data->dirty = TRUE;
+
+ /* Update the current range */
+ ev_page_cache_set_page_range (cache, cache->start_page, cache->end_page);
+}
+
+EvMappingList *
+ev_page_cache_get_link_mapping (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_LINKS))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->link_mapping;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->link_mapping;
+
+ return data->link_mapping;
+}
+
+EvMappingList *
+ev_page_cache_get_image_mapping (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_IMAGES))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->image_mapping;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->image_mapping;
+
+ return data->image_mapping;
+}
+
+EvMappingList *
+ev_page_cache_get_form_field_mapping (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_FORMS))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->form_field_mapping;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->form_field_mapping;
+
+ return data->form_field_mapping;
+}
+
+EvMappingList *
+ev_page_cache_get_annot_mapping (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_ANNOTS))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->annot_mapping;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->annot_mapping;
+
+ return data->annot_mapping;
+}
+
+cairo_region_t *
+ev_page_cache_get_text_mapping (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_MAPPING))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->text_mapping;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->text_mapping;
+
+ return data->text_mapping;
+}
+
+const gchar *
+ev_page_cache_get_text (EvPageCache *cache,
+ gint page)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), NULL);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, NULL);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_TEXT))
+ return NULL;
+
+ data = &cache->page_list[page];
+ if (data->done)
+ return data->text;
+
+ if (data->job)
+ return EV_JOB_PAGE_DATA (data->job)->text;
+
+ return data->text;
+}
+
+gboolean
+ev_page_cache_get_text_layout (EvPageCache *cache,
+ gint page,
+ EvRectangle **areas,
+ guint *n_areas)
+{
+ EvPageCacheData *data;
+
+ g_return_val_if_fail (EV_IS_PAGE_CACHE (cache), FALSE);
+ g_return_val_if_fail (page >= 0 && page < cache->n_pages, FALSE);
+
+ if (!(cache->flags & EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT))
+ return FALSE;
+
+ data = &cache->page_list[page];
+ if (data->done) {
+ *areas = data->text_layout;
+ *n_areas = data->text_layout_length;
+
+ return TRUE;
+ }
+
+ if (data->job) {
+ *areas = EV_JOB_PAGE_DATA (data->job)->text_layout;
+ *n_areas = EV_JOB_PAGE_DATA (data->job)->text_layout_length;
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
diff --git a/libview/ev-page-cache.h b/libview/ev-page-cache.h
new file mode 100644
index 00000000..7432e44d
--- /dev/null
+++ b/libview/ev-page-cache.h
@@ -0,0 +1,71 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2009 Carlos Garcia Campos
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef EV_PAGE_CACHE_H
+#define EV_PAGE_CACHE_H
+
+#include <glib-object.h>
+#include <gdk/gdk.h>
+#include <evince-document.h>
+#include <evince-view.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_PAGE_CACHE (ev_page_cache_get_type ())
+#define EV_PAGE_CACHE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PAGE_CACHE, EvPageCache))
+#define EV_IS_PAGE_CACHE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PAGE_CACHE))
+
+typedef struct _EvPageCache EvPageCache;
+typedef struct _EvPageCacheClass EvPageCacheClass;
+
+GType ev_page_cache_get_type (void) G_GNUC_CONST;
+EvPageCache *ev_page_cache_new (EvDocument *document);
+
+void ev_page_cache_set_page_range (EvPageCache *cache,
+ gint start,
+ gint end);
+EvJobPageDataFlags ev_page_cache_get_flags (EvPageCache *cache);
+void ev_page_cache_set_flags (EvPageCache *cache,
+ EvJobPageDataFlags flags);
+void ev_page_cache_mark_dirty (EvPageCache *cache,
+ gint page);
+EvMappingList *ev_page_cache_get_link_mapping (EvPageCache *cache,
+ gint page);
+EvMappingList *ev_page_cache_get_image_mapping (EvPageCache *cache,
+ gint page);
+EvMappingList *ev_page_cache_get_form_field_mapping (EvPageCache *cache,
+ gint page);
+EvMappingList *ev_page_cache_get_annot_mapping (EvPageCache *cache,
+ gint page);
+cairo_region_t *ev_page_cache_get_text_mapping (EvPageCache *cache,
+ gint page);
+const gchar *ev_page_cache_get_text (EvPageCache *cache,
+ gint page);
+gboolean ev_page_cache_get_text_layout (EvPageCache *cache,
+ gint page,
+ EvRectangle **areas,
+ guint *n_areas);
+
+G_END_DECLS
+
+#endif /* EV_PAGE_CACHE_H */
diff --git a/libview/ev-pixbuf-cache.c b/libview/ev-pixbuf-cache.c
new file mode 100644
index 00000000..367f70d7
--- /dev/null
+++ b/libview/ev-pixbuf-cache.c
@@ -0,0 +1,1192 @@
+#include <config.h>
+#include "ev-pixbuf-cache.h"
+#include "ev-job-scheduler.h"
+#include "ev-view-private.h"
+
+typedef struct _CacheJobInfo
+{
+ EvJob *job;
+ gboolean page_ready;
+
+ /* Region of the page that needs to be drawn */
+ cairo_region_t *region;
+
+ /* Data we get from rendering */
+ cairo_surface_t *surface;
+
+ /* Selection data.
+ * Selection_points are the coordinates encapsulated in selection.
+ * target_points is the target selection size. */
+ EvRectangle selection_points;
+ EvRectangle target_points;
+ EvSelectionStyle selection_style;
+ gboolean points_set;
+
+ cairo_surface_t *selection;
+ cairo_region_t *selection_region;
+} CacheJobInfo;
+
+struct _EvPixbufCache
+{
+ GObject parent;
+
+ /* We keep a link to our containing view just for style information. */
+ GtkWidget *view;
+ EvDocument *document;
+ EvDocumentModel *model;
+ int start_page;
+ int end_page;
+ gboolean inverted_colors;
+
+ gsize max_size;
+
+ /* preload_cache_size is the number of pages prior to the current
+ * visible area that we cache. It's normally 1, but could be 2 in the
+ * case of twin pages.
+ */
+ int preload_cache_size;
+ guint job_list_len;
+
+ CacheJobInfo *prev_job;
+ CacheJobInfo *job_list;
+ CacheJobInfo *next_job;
+};
+
+struct _EvPixbufCacheClass
+{
+ GObjectClass parent_class;
+
+ void (* job_finished) (EvPixbufCache *pixbuf_cache);
+};
+
+
+enum
+{
+ JOB_FINISHED,
+ N_SIGNALS,
+};
+
+static guint signals[N_SIGNALS] = {0, };
+
+static void ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache);
+static void ev_pixbuf_cache_class_init (EvPixbufCacheClass *pixbuf_cache);
+static void ev_pixbuf_cache_finalize (GObject *object);
+static void ev_pixbuf_cache_dispose (GObject *object);
+static void job_finished_cb (EvJob *job,
+ EvPixbufCache *pixbuf_cache);
+static CacheJobInfo *find_job_cache (EvPixbufCache *pixbuf_cache,
+ int page);
+static gboolean new_selection_surface_needed(EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale);
+
+
+/* These are used for iterating through the prev and next arrays */
+#define FIRST_VISIBLE_PREV(pixbuf_cache) \
+ (MAX (0, pixbuf_cache->preload_cache_size - pixbuf_cache->start_page))
+#define VISIBLE_NEXT_LEN(pixbuf_cache) \
+ (MIN(pixbuf_cache->preload_cache_size, ev_document_get_n_pages (pixbuf_cache->document) - (1 + pixbuf_cache->end_page)))
+#define PAGE_CACHE_LEN(pixbuf_cache) \
+ ((pixbuf_cache->end_page - pixbuf_cache->start_page) + 1)
+
+#define MAX_PRELOADED_PAGES 3
+
+G_DEFINE_TYPE (EvPixbufCache, ev_pixbuf_cache, G_TYPE_OBJECT)
+
+static void
+ev_pixbuf_cache_init (EvPixbufCache *pixbuf_cache)
+{
+ pixbuf_cache->start_page = -1;
+ pixbuf_cache->end_page = -1;
+}
+
+static void
+ev_pixbuf_cache_class_init (EvPixbufCacheClass *class)
+{
+ GObjectClass *object_class;
+
+ object_class = G_OBJECT_CLASS (class);
+
+ object_class->finalize = ev_pixbuf_cache_finalize;
+ object_class->dispose = ev_pixbuf_cache_dispose;
+
+ signals[JOB_FINISHED] =
+ g_signal_new ("job-finished",
+ G_OBJECT_CLASS_TYPE (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvPixbufCacheClass, job_finished),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
+}
+
+static void
+ev_pixbuf_cache_finalize (GObject *object)
+{
+ EvPixbufCache *pixbuf_cache;
+
+ pixbuf_cache = EV_PIXBUF_CACHE (object);
+
+ if (pixbuf_cache->job_list) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->job_list_len,
+ pixbuf_cache->job_list);
+ pixbuf_cache->job_list = NULL;
+ }
+ if (pixbuf_cache->prev_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->prev_job);
+ pixbuf_cache->prev_job = NULL;
+ }
+ if (pixbuf_cache->next_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->next_job);
+ pixbuf_cache->next_job = NULL;
+ }
+
+ g_object_unref (pixbuf_cache->model);
+
+ G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->finalize (object);
+}
+
+static void
+dispose_cache_job_info (CacheJobInfo *job_info,
+ gpointer data)
+{
+ if (job_info == NULL)
+ return;
+
+ if (job_info->job) {
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_finished_cb),
+ data);
+ ev_job_cancel (job_info->job);
+ g_object_unref (job_info->job);
+ job_info->job = NULL;
+ }
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ job_info->surface = NULL;
+ }
+ if (job_info->region) {
+ cairo_region_destroy (job_info->region);
+ job_info->region = NULL;
+ }
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ if (job_info->selection_region) {
+ cairo_region_destroy (job_info->selection_region);
+ job_info->selection_region = NULL;
+ }
+
+ job_info->points_set = FALSE;
+}
+
+static void
+ev_pixbuf_cache_dispose (GObject *object)
+{
+ EvPixbufCache *pixbuf_cache;
+ int i;
+
+ pixbuf_cache = EV_PIXBUF_CACHE (object);
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache);
+ dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache);
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache);
+ }
+
+ G_OBJECT_CLASS (ev_pixbuf_cache_parent_class)->dispose (object);
+}
+
+
+EvPixbufCache *
+ev_pixbuf_cache_new (GtkWidget *view,
+ EvDocumentModel *model,
+ gsize max_size)
+{
+ EvPixbufCache *pixbuf_cache;
+
+ pixbuf_cache = (EvPixbufCache *) g_object_new (EV_TYPE_PIXBUF_CACHE, NULL);
+ /* This is a backlink, so we don't ref this */
+ pixbuf_cache->view = view;
+ pixbuf_cache->model = g_object_ref (model);
+ pixbuf_cache->document = ev_document_model_get_document (model);
+ pixbuf_cache->max_size = max_size;
+
+ return pixbuf_cache;
+}
+
+void
+ev_pixbuf_cache_set_max_size (EvPixbufCache *pixbuf_cache,
+ gsize max_size)
+{
+ if (pixbuf_cache->max_size == max_size)
+ return;
+
+ if (pixbuf_cache->max_size > max_size)
+ ev_pixbuf_cache_clear (pixbuf_cache);
+ pixbuf_cache->max_size = max_size;
+}
+
+static void
+copy_job_to_job_info (EvJobRender *job_render,
+ CacheJobInfo *job_info,
+ EvPixbufCache *pixbuf_cache)
+{
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ }
+ job_info->surface = cairo_surface_reference (job_render->surface);
+ if (pixbuf_cache->inverted_colors) {
+ ev_document_misc_invert_surface (job_info->surface);
+ }
+
+ job_info->points_set = FALSE;
+ if (job_render->include_selection) {
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ if (job_info->selection_region) {
+ cairo_region_destroy (job_info->selection_region);
+ job_info->selection_region = NULL;
+ }
+
+ job_info->selection_points = job_render->selection_points;
+ job_info->selection_region = cairo_region_reference (job_render->selection_region);
+ job_info->selection = cairo_surface_reference (job_render->selection);
+ g_assert (job_info->selection_points.x1 >= 0);
+ job_info->points_set = TRUE;
+ }
+
+ if (job_info->job) {
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+ ev_job_cancel (job_info->job);
+ g_object_unref (job_info->job);
+ job_info->job = NULL;
+ }
+
+ job_info->page_ready = TRUE;
+}
+
+static void
+job_finished_cb (EvJob *job,
+ EvPixbufCache *pixbuf_cache)
+{
+ CacheJobInfo *job_info;
+ EvJobRender *job_render = EV_JOB_RENDER (job);
+
+ /* If the job is outside of our interest, we silently discard it */
+ if ((job_render->page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size)) ||
+ (job_render->page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))) {
+ g_object_unref (job);
+ return;
+ }
+
+ job_info = find_job_cache (pixbuf_cache, job_render->page);
+
+ copy_job_to_job_info (job_render, job_info, pixbuf_cache);
+ g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region);
+}
+
+/* This checks a job to see if the job would generate the right sized pixbuf
+ * given a scale. If it won't, it removes the job and clears it to NULL.
+ */
+static void
+check_job_size_and_unref (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gfloat scale)
+{
+ gint width, height;
+
+ g_assert (job_info);
+
+ if (job_info->job == NULL)
+ return;
+
+ _get_page_size_for_scale_and_rotation (job_info->job->document,
+ EV_JOB_RENDER (job_info->job)->page,
+ scale,
+ EV_JOB_RENDER (job_info->job)->rotation,
+ &width, &height);
+ if (width == EV_JOB_RENDER (job_info->job)->target_width &&
+ height == EV_JOB_RENDER (job_info->job)->target_height)
+ return;
+
+ g_signal_handlers_disconnect_by_func (job_info->job,
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+ ev_job_cancel (job_info->job);
+ g_object_unref (job_info->job);
+ job_info->job = NULL;
+}
+
+/* Do all function that copies a job from an older cache to it's position in the
+ * new cache. It clears the old job if it doesn't have a place.
+ */
+static void
+move_one_job (CacheJobInfo *job_info,
+ EvPixbufCache *pixbuf_cache,
+ int page,
+ CacheJobInfo *new_job_list,
+ CacheJobInfo *new_prev_job,
+ CacheJobInfo *new_next_job,
+ int new_preload_cache_size,
+ int start_page,
+ int end_page,
+ gint priority)
+{
+ CacheJobInfo *target_page = NULL;
+ int page_offset;
+ gint new_priority;
+
+ if (page < (start_page - new_preload_cache_size) ||
+ page > (end_page + new_preload_cache_size)) {
+ dispose_cache_job_info (job_info, pixbuf_cache);
+ return;
+ }
+
+ /* find the target page to copy it over to. */
+ if (page < start_page) {
+ page_offset = (page - (start_page - new_preload_cache_size));
+
+ g_assert (page_offset >= 0 &&
+ page_offset < new_preload_cache_size);
+ target_page = new_prev_job + page_offset;
+ new_priority = EV_JOB_PRIORITY_LOW;
+ } else if (page > end_page) {
+ page_offset = (page - (end_page + 1));
+
+ g_assert (page_offset >= 0 &&
+ page_offset < new_preload_cache_size);
+ target_page = new_next_job + page_offset;
+ new_priority = EV_JOB_PRIORITY_LOW;
+ } else {
+ page_offset = page - start_page;
+ g_assert (page_offset >= 0 &&
+ page_offset <= ((end_page - start_page) + 1));
+ new_priority = EV_JOB_PRIORITY_URGENT;
+ target_page = new_job_list + page_offset;
+ }
+
+ *target_page = *job_info;
+ job_info->job = NULL;
+ job_info->region = NULL;
+ job_info->surface = NULL;
+
+ if (new_priority != priority && target_page->job) {
+ ev_job_scheduler_update_job (target_page->job, new_priority);
+ }
+}
+
+static gsize
+ev_pixbuf_cache_get_page_size (EvPixbufCache *pixbuf_cache,
+ gint page_index,
+ gdouble scale,
+ gint rotation)
+{
+ gint width, height;
+
+ _get_page_size_for_scale_and_rotation (pixbuf_cache->document,
+ page_index, scale, rotation,
+ &width, &height);
+ return height * cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width);
+}
+
+static gint
+ev_pixbuf_cache_get_preload_size (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ gdouble scale,
+ gint rotation)
+{
+ gsize range_size = 0;
+ gint new_preload_cache_size = 0;
+ gint i;
+ guint n_pages = ev_document_get_n_pages (pixbuf_cache->document);
+
+ /* Get the size of the current range */
+ for (i = start_page; i <= end_page; i++) {
+ range_size += ev_pixbuf_cache_get_page_size (pixbuf_cache, i, scale, rotation);
+ }
+
+ if (range_size >= pixbuf_cache->max_size)
+ return new_preload_cache_size;
+
+ i = 1;
+ while (((start_page - i > 0) || (end_page + i < n_pages)) &&
+ new_preload_cache_size < MAX_PRELOADED_PAGES) {
+ gsize page_size;
+ gboolean updated = FALSE;
+
+ if (end_page + i < n_pages) {
+ page_size = ev_pixbuf_cache_get_page_size (pixbuf_cache, end_page + i,
+ scale, rotation);
+ if (page_size + range_size <= pixbuf_cache->max_size) {
+ range_size += page_size;
+ new_preload_cache_size++;
+ updated = TRUE;
+ } else {
+ break;
+ }
+ }
+
+ if (start_page - i > 0) {
+ page_size = ev_pixbuf_cache_get_page_size (pixbuf_cache, start_page - i,
+ scale, rotation);
+ if (page_size + range_size <= pixbuf_cache->max_size) {
+ range_size += page_size;
+ if (!updated)
+ new_preload_cache_size++;
+ } else {
+ break;
+ }
+ }
+ i++;
+ }
+
+ return new_preload_cache_size;
+}
+
+static void
+ev_pixbuf_cache_update_range (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ guint rotation,
+ gdouble scale)
+{
+ CacheJobInfo *new_job_list;
+ CacheJobInfo *new_prev_job = NULL;
+ CacheJobInfo *new_next_job = NULL;
+ gint new_preload_cache_size;
+ guint new_job_list_len;
+ int i, page;
+
+ new_preload_cache_size = ev_pixbuf_cache_get_preload_size (pixbuf_cache,
+ start_page,
+ end_page,
+ scale,
+ rotation);
+ if (pixbuf_cache->start_page == start_page &&
+ pixbuf_cache->end_page == end_page &&
+ pixbuf_cache->preload_cache_size == new_preload_cache_size)
+ return;
+
+ new_job_list_len = (end_page - start_page) + 1;
+ new_job_list = g_slice_alloc0 (sizeof (CacheJobInfo) * new_job_list_len);
+ if (new_preload_cache_size > 0) {
+ new_prev_job = g_slice_alloc0 (sizeof (CacheJobInfo) * new_preload_cache_size);
+ new_next_job = g_slice_alloc0 (sizeof (CacheJobInfo) * new_preload_cache_size);
+ }
+
+ /* We go through each job in the old cache and either clear it or move
+ * it to a new location. */
+
+ /* Start with the prev cache. */
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page < 0) {
+ dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache);
+ } else {
+ move_one_job (pixbuf_cache->prev_job + i,
+ pixbuf_cache, page,
+ new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
+ start_page, end_page, EV_JOB_PRIORITY_LOW);
+ }
+ page ++;
+ }
+
+ page = pixbuf_cache->start_page;
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache) && page >= 0; i++) {
+ move_one_job (pixbuf_cache->job_list + i,
+ pixbuf_cache, page,
+ new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
+ start_page, end_page, EV_JOB_PRIORITY_URGENT);
+ page ++;
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page >= ev_document_get_n_pages (pixbuf_cache->document)) {
+ dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache);
+ } else {
+ move_one_job (pixbuf_cache->next_job + i,
+ pixbuf_cache, page,
+ new_job_list, new_prev_job, new_next_job,
+ new_preload_cache_size,
+ start_page, end_page, EV_JOB_PRIORITY_LOW);
+ }
+ page ++;
+ }
+
+ if (pixbuf_cache->job_list) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->job_list_len,
+ pixbuf_cache->job_list);
+ }
+ if (pixbuf_cache->prev_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->prev_job);
+ }
+ if (pixbuf_cache->next_job) {
+ g_slice_free1 (sizeof (CacheJobInfo) * pixbuf_cache->preload_cache_size,
+ pixbuf_cache->next_job);
+ }
+
+ pixbuf_cache->preload_cache_size = new_preload_cache_size;
+ pixbuf_cache->job_list_len = new_job_list_len;
+
+ pixbuf_cache->job_list = new_job_list;
+ pixbuf_cache->prev_job = new_prev_job;
+ pixbuf_cache->next_job = new_next_job;
+
+ pixbuf_cache->start_page = start_page;
+ pixbuf_cache->end_page = end_page;
+}
+
+static CacheJobInfo *
+find_job_cache (EvPixbufCache *pixbuf_cache,
+ int page)
+{
+ int page_offset;
+
+ if (page < (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size) ||
+ page > (pixbuf_cache->end_page + pixbuf_cache->preload_cache_size))
+ return NULL;
+
+ if (page < pixbuf_cache->start_page) {
+ page_offset = (page - (pixbuf_cache->start_page - pixbuf_cache->preload_cache_size));
+
+ g_assert (page_offset >= 0 &&
+ page_offset < pixbuf_cache->preload_cache_size);
+ return pixbuf_cache->prev_job + page_offset;
+ }
+
+ if (page > pixbuf_cache->end_page) {
+ page_offset = (page - (pixbuf_cache->end_page + 1));
+
+ g_assert (page_offset >= 0 &&
+ page_offset < pixbuf_cache->preload_cache_size);
+ return pixbuf_cache->next_job + page_offset;
+ }
+
+ page_offset = page - pixbuf_cache->start_page;
+ g_assert (page_offset >= 0 &&
+ page_offset <= PAGE_CACHE_LEN(pixbuf_cache));
+ return pixbuf_cache->job_list + page_offset;
+}
+
+static void
+ev_pixbuf_cache_clear_job_sizes (EvPixbufCache *pixbuf_cache,
+ gfloat scale)
+{
+ int i;
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->job_list + i, scale);
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->prev_job + i, scale);
+ check_job_size_and_unref (pixbuf_cache, pixbuf_cache->next_job + i, scale);
+ }
+}
+
+static void
+get_selection_colors (GtkWidget *widget, GdkColor **text, GdkColor **base)
+{
+ GtkStyle *style = gtk_widget_get_style (widget);
+
+ if (gtk_widget_has_focus (widget)) {
+ *text = &style->text [GTK_STATE_SELECTED];
+ *base = &style->base [GTK_STATE_SELECTED];
+ } else {
+ *text = &style->text [GTK_STATE_ACTIVE];
+ *base = &style->base [GTK_STATE_ACTIVE];
+ }
+}
+
+static void
+add_job (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ cairo_region_t *region,
+ gint width,
+ gint height,
+ gint page,
+ gint rotation,
+ gfloat scale,
+ EvJobPriority priority)
+{
+ job_info->page_ready = FALSE;
+
+ if (job_info->region)
+ cairo_region_destroy (job_info->region);
+ job_info->region = region ? cairo_region_reference (region) : NULL;
+
+ job_info->job = ev_job_render_new (pixbuf_cache->document,
+ page, rotation, scale,
+ width, height);
+
+ if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) {
+ GdkColor *text, *base;
+
+ gtk_widget_ensure_style (pixbuf_cache->view);
+ get_selection_colors (pixbuf_cache->view, &text, &base);
+ ev_job_render_set_selection_info (EV_JOB_RENDER (job_info->job),
+ &(job_info->target_points),
+ job_info->selection_style,
+ text, base);
+ }
+
+ g_signal_connect (job_info->job, "finished",
+ G_CALLBACK (job_finished_cb),
+ pixbuf_cache);
+ ev_job_scheduler_push_job (job_info->job, priority);
+}
+
+static void
+add_job_if_needed (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gint rotation,
+ gfloat scale,
+ EvJobPriority priority)
+{
+ gint width, height;
+
+ if (job_info->job)
+ return;
+
+ _get_page_size_for_scale_and_rotation (pixbuf_cache->document,
+ page, scale, rotation,
+ &width, &height);
+
+ if (job_info->surface &&
+ cairo_image_surface_get_width (job_info->surface) == width &&
+ cairo_image_surface_get_height (job_info->surface) == height)
+ return;
+
+ /* Free old surfaces for non visible pages */
+ if (priority == EV_JOB_PRIORITY_LOW) {
+ if (job_info->surface) {
+ cairo_surface_destroy (job_info->surface);
+ job_info->surface = NULL;
+ }
+
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
+
+ add_job (pixbuf_cache, job_info, NULL,
+ width, height, page, rotation, scale,
+ priority);
+}
+
+static void
+ev_pixbuf_cache_add_jobs_if_needed (EvPixbufCache *pixbuf_cache,
+ gint rotation,
+ gfloat scale)
+{
+ CacheJobInfo *job_info;
+ int page;
+ int i;
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ job_info = (pixbuf_cache->job_list + i);
+ page = pixbuf_cache->start_page + i;
+
+ add_job_if_needed (pixbuf_cache, job_info,
+ page, rotation, scale,
+ EV_JOB_PRIORITY_URGENT);
+ }
+
+ for (i = FIRST_VISIBLE_PREV(pixbuf_cache); i < pixbuf_cache->preload_cache_size; i++) {
+ job_info = (pixbuf_cache->prev_job + i);
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size + i;
+
+ add_job_if_needed (pixbuf_cache, job_info,
+ page, rotation, scale,
+ EV_JOB_PRIORITY_LOW);
+ }
+
+ for (i = 0; i < VISIBLE_NEXT_LEN(pixbuf_cache); i++) {
+ job_info = (pixbuf_cache->next_job + i);
+ page = pixbuf_cache->end_page + 1 + i;
+
+ add_job_if_needed (pixbuf_cache, job_info,
+ page, rotation, scale,
+ EV_JOB_PRIORITY_LOW);
+ }
+
+}
+
+void
+ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ GList *selection_list)
+{
+ gdouble scale = ev_document_model_get_scale (pixbuf_cache->model);
+ gint rotation = ev_document_model_get_rotation (pixbuf_cache->model);
+
+ g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache));
+
+ g_return_if_fail (start_page >= 0 && start_page < ev_document_get_n_pages (pixbuf_cache->document));
+ g_return_if_fail (end_page >= 0 && end_page < ev_document_get_n_pages (pixbuf_cache->document));
+ g_return_if_fail (end_page >= start_page);
+
+ /* First, resize the page_range as needed. We cull old pages
+ * mercilessly. */
+ ev_pixbuf_cache_update_range (pixbuf_cache, start_page, end_page, rotation, scale);
+
+ /* Then, we update the current jobs to see if any of them are the wrong
+ * size, we remove them if we need to. */
+ ev_pixbuf_cache_clear_job_sizes (pixbuf_cache, scale);
+
+ /* Next, we update the target selection for our pages */
+ ev_pixbuf_cache_set_selection_list (pixbuf_cache, selection_list);
+
+ /* Finally, we add the new jobs for all the sizes that don't have a
+ * pixbuf */
+ ev_pixbuf_cache_add_jobs_if_needed (pixbuf_cache, rotation, scale);
+}
+
+void
+ev_pixbuf_cache_set_inverted_colors (EvPixbufCache *pixbuf_cache,
+ gboolean inverted_colors)
+{
+ gint i;
+
+ if (pixbuf_cache->inverted_colors == inverted_colors)
+ return;
+
+ pixbuf_cache->inverted_colors = inverted_colors;
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->prev_job + i;
+ if (job_info && job_info->surface)
+ ev_document_misc_invert_surface (job_info->surface);
+
+ job_info = pixbuf_cache->next_job + i;
+ if (job_info && job_info->surface)
+ ev_document_misc_invert_surface (job_info->surface);
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->job_list + i;
+ if (job_info && job_info->surface)
+ ev_document_misc_invert_surface (job_info->surface);
+ }
+}
+
+cairo_surface_t *
+ev_pixbuf_cache_get_surface (EvPixbufCache *pixbuf_cache,
+ gint page)
+{
+ CacheJobInfo *job_info;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ if (job_info->page_ready)
+ return job_info->surface;
+
+ /* We don't need to wait for the idle to handle the callback */
+ if (job_info->job &&
+ EV_JOB_RENDER (job_info->job)->page_ready) {
+ copy_job_to_job_info (EV_JOB_RENDER (job_info->job), job_info, pixbuf_cache);
+ g_signal_emit (pixbuf_cache, signals[JOB_FINISHED], 0, job_info->region);
+ }
+
+ return job_info->surface;
+}
+
+static gboolean
+new_selection_surface_needed (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale)
+{
+ if (job_info->selection) {
+ gint width, height;
+ gint selection_width, selection_height;
+
+ _get_page_size_for_scale_and_rotation (pixbuf_cache->document,
+ page, scale, 0,
+ &width, &height);
+
+ selection_width = cairo_image_surface_get_width (job_info->selection);
+ selection_height = cairo_image_surface_get_height (job_info->selection);
+
+ if (width != selection_width || height != selection_height)
+ return TRUE;
+ } else {
+ if (job_info->points_set)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+clear_selection_if_needed (EvPixbufCache *pixbuf_cache,
+ CacheJobInfo *job_info,
+ gint page,
+ gfloat scale)
+{
+ if (new_selection_surface_needed (pixbuf_cache, job_info, page, scale)) {
+ if (job_info->selection)
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ job_info->selection_points.x1 = -1;
+ }
+}
+
+/* Clears the cache of jobs and pixbufs.
+ */
+void
+ev_pixbuf_cache_clear (EvPixbufCache *pixbuf_cache)
+{
+ int i;
+
+ if (!pixbuf_cache->job_list)
+ return;
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ dispose_cache_job_info (pixbuf_cache->prev_job + i, pixbuf_cache);
+ dispose_cache_job_info (pixbuf_cache->next_job + i, pixbuf_cache);
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ dispose_cache_job_info (pixbuf_cache->job_list + i, pixbuf_cache);
+ }
+}
+
+
+void
+ev_pixbuf_cache_style_changed (EvPixbufCache *pixbuf_cache)
+{
+ gint i;
+
+ if (!pixbuf_cache->job_list)
+ return;
+
+ /* FIXME: doesn't update running jobs. */
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->prev_job + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+
+ job_info = pixbuf_cache->next_job + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
+
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ CacheJobInfo *job_info;
+
+ job_info = pixbuf_cache->job_list + i;
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+ }
+}
+
+cairo_surface_t *
+ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
+ gint page,
+ gfloat scale,
+ cairo_region_t **region)
+{
+ CacheJobInfo *job_info;
+
+ /* the document does not implement the selection interface */
+ if (!EV_IS_SELECTION (pixbuf_cache->document))
+ return NULL;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return NULL;
+
+ /* No selection on this page */
+ if (!job_info->points_set)
+ return NULL;
+
+ /* If we have a running job, we just return what we have under the
+ * assumption that it'll be updated later and we can scale it as need
+ * be */
+ if (job_info->job && EV_JOB_RENDER (job_info->job)->include_selection)
+ return job_info->selection;
+
+ /* Now, lets see if we need to resize the image. If we do, we clear the
+ * old one. */
+ clear_selection_if_needed (pixbuf_cache, job_info, page, scale);
+
+ /* Finally, we see if the two scales are the same, and get a new pixbuf
+ * if needed. We do this synchronously for now. At some point, we
+ * _should_ be able to get rid of the doc_mutex, so the synchronicity
+ * doesn't kill us. Rendering a few glyphs should really be fast.
+ */
+ if (ev_rect_cmp (&(job_info->target_points), &(job_info->selection_points))) {
+ EvRectangle *old_points;
+ GdkColor *text, *base;
+ EvRenderContext *rc;
+ EvPage *ev_page;
+
+ /* we need to get a new selection pixbuf */
+ ev_document_doc_mutex_lock ();
+ if (job_info->selection_points.x1 < 0) {
+ g_assert (job_info->selection == NULL);
+ old_points = NULL;
+ } else {
+ g_assert (job_info->selection != NULL);
+ old_points = &(job_info->selection_points);
+ }
+
+ ev_page = ev_document_get_page (pixbuf_cache->document, page);
+ rc = ev_render_context_new (ev_page, 0, scale);
+ g_object_unref (ev_page);
+
+ if (job_info->selection_region)
+ cairo_region_destroy (job_info->selection_region);
+ job_info->selection_region =
+ ev_selection_get_selection_region (EV_SELECTION (pixbuf_cache->document),
+ rc, job_info->selection_style,
+ &(job_info->target_points));
+
+ gtk_widget_ensure_style (pixbuf_cache->view);
+
+ get_selection_colors (pixbuf_cache->view, &text, &base);
+
+ ev_selection_render_selection (EV_SELECTION (pixbuf_cache->document),
+ rc, &(job_info->selection),
+ &(job_info->target_points),
+ old_points,
+ job_info->selection_style,
+ text, base);
+ job_info->selection_points = job_info->target_points;
+ g_object_unref (rc);
+ ev_document_doc_mutex_unlock ();
+ }
+ if (region)
+ *region = job_info->selection_region;
+ return job_info->selection;
+}
+
+static void
+update_job_selection (CacheJobInfo *job_info,
+ EvViewSelection *selection)
+{
+ job_info->points_set = TRUE;
+ job_info->target_points = selection->rect;
+ job_info->selection_style = selection->style;
+}
+
+static void
+clear_job_selection (CacheJobInfo *job_info)
+{
+ job_info->points_set = FALSE;
+ job_info->selection_points.x1 = -1;
+
+ if (job_info->selection) {
+ cairo_surface_destroy (job_info->selection);
+ job_info->selection = NULL;
+ }
+}
+
+/* This function will reset the selection on pages that no longer have them, and
+ * will update the target_selection on those that need it. It will _not_ free
+ * the previous selection_list -- that's up to caller to do.
+ */
+void
+ev_pixbuf_cache_set_selection_list (EvPixbufCache *pixbuf_cache,
+ GList *selection_list)
+{
+ EvViewSelection *selection;
+ GList *list = selection_list;
+ int page;
+ int i;
+
+ g_return_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache));
+
+ if (!EV_IS_SELECTION (pixbuf_cache->document))
+ return;
+
+ /* We check each area to see what needs updating, and what needs freeing; */
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page < 0) {
+ page ++;
+ continue;
+ }
+
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->prev_job + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->prev_job + i);
+ page ++;
+ }
+
+ page = pixbuf_cache->start_page;
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->job_list + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->job_list + i);
+ page ++;
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page >= ev_document_get_n_pages (pixbuf_cache->document))
+ break;
+
+ selection = NULL;
+ while (list) {
+ if (((EvViewSelection *)list->data)->page == page) {
+ selection = list->data;
+ break;
+ } else if (((EvViewSelection *)list->data)->page > page)
+ break;
+ list = list->next;
+ }
+
+ if (selection)
+ update_job_selection (pixbuf_cache->next_job + i, selection);
+ else
+ clear_job_selection (pixbuf_cache->next_job + i);
+ page ++;
+ }
+}
+
+
+/* Returns what the pixbuf cache thinks is */
+
+GList *
+ev_pixbuf_cache_get_selection_list (EvPixbufCache *pixbuf_cache)
+{
+ EvViewSelection *selection;
+ GList *retval = NULL;
+ int page;
+ int i;
+
+ g_return_val_if_fail (EV_IS_PIXBUF_CACHE (pixbuf_cache), NULL);
+
+ /* We check each area to see what needs updating, and what needs freeing; */
+ page = pixbuf_cache->start_page - pixbuf_cache->preload_cache_size;
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page < 0) {
+ page ++;
+ continue;
+ }
+
+ if (pixbuf_cache->prev_job[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = page;
+ selection->rect = pixbuf_cache->prev_job[i].selection_points;
+ if (pixbuf_cache->prev_job[i].selection_region)
+ selection->covered_region = cairo_region_reference (pixbuf_cache->prev_job[i].selection_region);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ page = pixbuf_cache->start_page;
+ for (i = 0; i < PAGE_CACHE_LEN (pixbuf_cache); i++) {
+ if (pixbuf_cache->job_list[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = page;
+ selection->rect = pixbuf_cache->job_list[i].selection_points;
+ if (pixbuf_cache->job_list[i].selection_region)
+ selection->covered_region = cairo_region_reference (pixbuf_cache->job_list[i].selection_region);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ for (i = 0; i < pixbuf_cache->preload_cache_size; i++) {
+ if (page >= ev_document_get_n_pages (pixbuf_cache->document))
+ break;
+
+ if (pixbuf_cache->next_job[i].selection_points.x1 != -1) {
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = page;
+ selection->rect = pixbuf_cache->next_job[i].selection_points;
+ if (pixbuf_cache->next_job[i].selection_region)
+ selection->covered_region = cairo_region_reference (pixbuf_cache->next_job[i].selection_region);
+ retval = g_list_append (retval, selection);
+ }
+
+ page ++;
+ }
+
+ return retval;
+}
+
+void
+ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache,
+ cairo_region_t *region,
+ gint page,
+ gint rotation,
+ gdouble scale)
+{
+ CacheJobInfo *job_info;
+ gint width, height;
+
+ job_info = find_job_cache (pixbuf_cache, page);
+ if (job_info == NULL)
+ return;
+
+ _get_page_size_for_scale_and_rotation (pixbuf_cache->document,
+ page, scale, rotation,
+ &width, &height);
+ add_job (pixbuf_cache, job_info, region,
+ width, height, page, rotation, scale,
+ EV_JOB_PRIORITY_URGENT);
+}
+
+
diff --git a/libview/ev-pixbuf-cache.h b/libview/ev-pixbuf-cache.h
new file mode 100644
index 00000000..67c2517e
--- /dev/null
+++ b/libview/ev-pixbuf-cache.h
@@ -0,0 +1,89 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2005 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+/* This File is basically an extention of EvView, and is out here just to keep
+ * ev-view.c from exploding.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_PIXBUF_CACHE_H__
+#define __EV_PIXBUF_CACHE_H__
+
+#include <gtk/gtk.h>
+
+#include <evince-document.h>
+#include <evince-view.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_PIXBUF_CACHE (ev_pixbuf_cache_get_type ())
+#define EV_PIXBUF_CACHE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_PIXBUF_CACHE, EvPixbufCache))
+#define EV_IS_PIXBUF_CACHE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_PIXBUF_CACHE))
+
+
+
+/* The coordinates in the rect here are at scale == 1.0, so that we can ignore
+ * resizings. There is one per page, maximum.
+ */
+typedef struct {
+ int page;
+ EvRectangle rect;
+ cairo_region_t *covered_region;
+ EvSelectionStyle style;
+} EvViewSelection;
+
+typedef struct _EvPixbufCache EvPixbufCache;
+typedef struct _EvPixbufCacheClass EvPixbufCacheClass;
+
+GType ev_pixbuf_cache_get_type (void) G_GNUC_CONST;
+EvPixbufCache *ev_pixbuf_cache_new (GtkWidget *view,
+ EvDocumentModel *model,
+ gsize max_size);
+void ev_pixbuf_cache_set_max_size (EvPixbufCache *pixbuf_cache,
+ gsize max_size);
+void ev_pixbuf_cache_set_page_range (EvPixbufCache *pixbuf_cache,
+ gint start_page,
+ gint end_page,
+ GList *selection_list);
+cairo_surface_t *ev_pixbuf_cache_get_surface (EvPixbufCache *pixbuf_cache,
+ gint page);
+void ev_pixbuf_cache_clear (EvPixbufCache *pixbuf_cache);
+void ev_pixbuf_cache_style_changed (EvPixbufCache *pixbuf_cache);
+void ev_pixbuf_cache_reload_page (EvPixbufCache *pixbuf_cache,
+ cairo_region_t *region,
+ gint page,
+ gint rotation,
+ gdouble scale);
+void ev_pixbuf_cache_set_inverted_colors (EvPixbufCache *pixbuf_cache,
+ gboolean inverted_colors);
+/* Selection */
+cairo_surface_t *ev_pixbuf_cache_get_selection_surface (EvPixbufCache *pixbuf_cache,
+ gint page,
+ gfloat scale,
+ cairo_region_t **region);
+void ev_pixbuf_cache_set_selection_list (EvPixbufCache *pixbuf_cache,
+ GList *selection_list);
+GList *ev_pixbuf_cache_get_selection_list (EvPixbufCache *pixbuf_cache);
+
+G_END_DECLS
+
+#endif /* __EV_PIXBUF_CACHE_H__ */
diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c
new file mode 100644
index 00000000..d913c7be
--- /dev/null
+++ b/libview/ev-print-operation.c
@@ -0,0 +1,2028 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+
+#include "ev-print-operation.h"
+
+#if GTKUNIXPRINT_ENABLED
+#include <gtk/gtkunixprint.h>
+#endif
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+#include <unistd.h>
+
+#include "ev-jobs.h"
+#include "ev-job-scheduler.h"
+
+enum {
+ PROP_0,
+ PROP_DOCUMENT
+};
+
+enum {
+ DONE,
+ BEGIN_PRINT,
+ STATUS_CHANGED,
+ LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+struct _EvPrintOperation {
+ GObject parent;
+
+ EvDocument *document;
+
+ /* Progress */
+ gchar *status;
+ gdouble progress;
+};
+
+struct _EvPrintOperationClass {
+ GObjectClass parent_class;
+
+ void (* set_current_page) (EvPrintOperation *op,
+ gint current_page);
+ void (* set_print_settings) (EvPrintOperation *op,
+ GtkPrintSettings *print_settings);
+ GtkPrintSettings *(* get_print_settings) (EvPrintOperation *op);
+ void (* set_default_page_setup) (EvPrintOperation *op,
+ GtkPageSetup *page_setup);
+ GtkPageSetup *(* get_default_page_setup) (EvPrintOperation *op);
+ void (* set_job_name) (EvPrintOperation *op,
+ const gchar *job_name);
+ const gchar *(* get_job_name) (EvPrintOperation *op);
+ void (* run) (EvPrintOperation *op,
+ GtkWindow *parent);
+ void (* cancel) (EvPrintOperation *op);
+ void (* get_error) (EvPrintOperation *op,
+ GError **error);
+ void (* set_embed_page_setup) (EvPrintOperation *op,
+ gboolean embed);
+ gboolean (* get_embed_page_setup) (EvPrintOperation *op);
+
+ /* signals */
+ void (* done) (EvPrintOperation *op,
+ GtkPrintOperationResult result);
+ void (* begin_print) (EvPrintOperation *op);
+ void (* status_changed) (EvPrintOperation *op);
+};
+
+G_DEFINE_ABSTRACT_TYPE (EvPrintOperation, ev_print_operation, G_TYPE_OBJECT)
+
+static void
+ev_print_operation_finalize (GObject *object)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (object);
+
+ if (op->document) {
+ g_object_unref (op->document);
+ op->document = NULL;
+ }
+
+ if (op->status) {
+ g_free (op->status);
+ op->status = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_print_operation_parent_class)->finalize) (object);
+}
+
+static void
+ev_print_operation_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (object);
+
+ switch (prop_id) {
+ case PROP_DOCUMENT:
+ op->document = g_value_dup_object (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_print_operation_init (EvPrintOperation *op)
+{
+}
+
+static void
+ev_print_operation_class_init (EvPrintOperationClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+
+ g_object_class->set_property = ev_print_operation_set_property;
+ g_object_class->finalize = ev_print_operation_finalize;
+
+ g_object_class_install_property (g_object_class,
+ PROP_DOCUMENT,
+ g_param_spec_object ("document",
+ "Document",
+ "The document to print",
+ EV_TYPE_DOCUMENT,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ signals[DONE] =
+ g_signal_new ("done",
+ G_TYPE_FROM_CLASS (g_object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvPrintOperationClass, done),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_PRINT_OPERATION_RESULT);
+ signals[BEGIN_PRINT] =
+ g_signal_new ("begin_print",
+ G_TYPE_FROM_CLASS (g_object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvPrintOperationClass, begin_print),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ signals[STATUS_CHANGED] =
+ g_signal_new ("status_changed",
+ G_TYPE_FROM_CLASS (g_object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvPrintOperationClass, status_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+/* Public methods */
+void
+ev_print_operation_set_current_page (EvPrintOperation *op,
+ gint current_page)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+ g_return_if_fail (current_page >= 0);
+
+ class->set_current_page (op, current_page);
+}
+
+void
+ev_print_operation_set_print_settings (EvPrintOperation *op,
+ GtkPrintSettings *print_settings)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+ g_return_if_fail (GTK_IS_PRINT_SETTINGS (print_settings));
+
+ class->set_print_settings (op, print_settings);
+}
+
+GtkPrintSettings *
+ev_print_operation_get_print_settings (EvPrintOperation *op)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL);
+
+ return class->get_print_settings (op);
+}
+
+void
+ev_print_operation_set_default_page_setup (EvPrintOperation *op,
+ GtkPageSetup *page_setup)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+ g_return_if_fail (GTK_IS_PAGE_SETUP (page_setup));
+
+ class->set_default_page_setup (op, page_setup);
+}
+
+GtkPageSetup *
+ev_print_operation_get_default_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL);
+
+ return class->get_default_page_setup (op);
+}
+
+void
+ev_print_operation_set_job_name (EvPrintOperation *op,
+ const gchar *job_name)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+ g_return_if_fail (job_name != NULL);
+
+ class->set_job_name (op, job_name);
+}
+
+const gchar *
+ev_print_operation_get_job_name (EvPrintOperation *op)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL);
+
+ return class->get_job_name (op);
+}
+
+void
+ev_print_operation_run (EvPrintOperation *op,
+ GtkWindow *parent)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+
+ class->run (op, parent);
+}
+
+void
+ev_print_operation_cancel (EvPrintOperation *op)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+
+ class->cancel (op);
+}
+
+void
+ev_print_operation_get_error (EvPrintOperation *op,
+ GError **error)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+
+ class->get_error (op, error);
+}
+
+void
+ev_print_operation_set_embed_page_setup (EvPrintOperation *op,
+ gboolean embed)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_if_fail (EV_IS_PRINT_OPERATION (op));
+
+ class->set_embed_page_setup (op, embed);
+}
+
+gboolean
+ev_print_operation_get_embed_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationClass *class = EV_PRINT_OPERATION_GET_CLASS (op);
+
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), FALSE);
+
+ return class->get_embed_page_setup (op);
+}
+
+const gchar *
+ev_print_operation_get_status (EvPrintOperation *op)
+{
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), NULL);
+
+ return op->status ? op->status : "";
+}
+
+gdouble
+ev_print_operation_get_progress (EvPrintOperation *op)
+{
+ g_return_val_if_fail (EV_IS_PRINT_OPERATION (op), 0.0);
+
+ return op->progress;
+}
+
+static void
+ev_print_operation_update_status (EvPrintOperation *op,
+ gint page,
+ gint n_pages,
+ gdouble progress)
+{
+ if (op->status && op->progress == progress)
+ return;
+
+ g_free (op->status);
+
+ if (page == -1) {
+ /* Initial state */
+ op->status = g_strdup (_("Preparing to print…"));
+ } else if (page > n_pages) {
+ op->status = g_strdup (_("Finishing…"));
+ } else {
+ op->status = g_strdup_printf (_("Printing page %d of %d…"),
+ page, n_pages);
+ }
+
+ op->progress = MIN (1.0, progress);
+
+ g_signal_emit (op, signals[STATUS_CHANGED], 0);
+}
+
+#if GTKUNIXPRINT_ENABLED
+
+/* Export interface */
+#define EV_TYPE_PRINT_OPERATION_EXPORT (ev_print_operation_export_get_type())
+#define EV_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExport))
+#define EV_PRINT_OPERATION_EXPORT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION_EXPORT, EvPrintOperationExportClass))
+#define EV_IS_PRINT_OPERATION_EXPORT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION_EXPORT))
+
+typedef struct _EvPrintOperationExport EvPrintOperationExport;
+typedef struct _EvPrintOperationExportClass EvPrintOperationExportClass;
+
+static GType ev_print_operation_export_get_type (void) G_GNUC_CONST;
+
+static void ev_print_operation_export_begin (EvPrintOperationExport *export);
+static gboolean export_print_page (EvPrintOperationExport *export);
+static void export_cancel (EvPrintOperationExport *export);
+
+struct _EvPrintOperationExport {
+ EvPrintOperation parent;
+
+ GtkWindow *parent_window;
+ EvJob *job_export;
+ GError *error;
+
+ gboolean print_preview;
+ gint n_pages;
+ gint current_page;
+ GtkPrinter *printer;
+ GtkPageSetup *page_setup;
+ GtkPrintSettings *print_settings;
+ GtkPageSet page_set;
+ gint copies;
+ guint collate : 1;
+ guint reverse : 1;
+ gint pages_per_sheet;
+ gint fd;
+ gchar *temp_file;
+ gchar *job_name;
+ gboolean embed_page_setup;
+
+ guint idle_id;
+
+ /* Context */
+ EvFileExporterContext fc;
+ gint n_pages_to_print;
+ gint uncollated_copies;
+ gint collated_copies;
+ gint uncollated, collated, total;
+
+ gint sheet, page_count;
+
+ gint range, n_ranges;
+ GtkPageRange *ranges;
+ GtkPageRange one_range;
+
+ gint page, start, end, inc;
+};
+
+struct _EvPrintOperationExportClass {
+ EvPrintOperationClass parent_class;
+};
+
+G_DEFINE_TYPE (EvPrintOperationExport, ev_print_operation_export, EV_TYPE_PRINT_OPERATION)
+
+/* Internal print queue */
+static GHashTable *print_queue = NULL;
+
+static void
+queue_free (GQueue *queue)
+{
+ g_queue_foreach (queue, (GFunc)g_object_unref, NULL);
+ g_queue_free (queue);
+}
+
+static void
+ev_print_queue_init (void)
+{
+ if (G_UNLIKELY (print_queue == NULL)) {
+ print_queue = g_hash_table_new_full (g_direct_hash,
+ g_direct_equal,
+ NULL,
+ (GDestroyNotify)queue_free);
+ }
+}
+
+static void
+remove_document_queue (gpointer data,
+ GObject *document)
+{
+ if (print_queue)
+ g_hash_table_remove (print_queue, document);
+}
+
+static gboolean
+ev_print_queue_is_empty (EvDocument *document)
+{
+ GQueue *queue;
+
+ queue = g_hash_table_lookup (print_queue, document);
+ return (!queue || g_queue_is_empty (queue));
+}
+
+static void
+ev_print_queue_push (EvPrintOperation *op)
+{
+ GQueue *queue;
+
+ queue = g_hash_table_lookup (print_queue, op->document);
+ if (!queue) {
+ queue = g_queue_new ();
+ g_hash_table_insert (print_queue,
+ op->document,
+ queue);
+ g_object_weak_ref (G_OBJECT (op->document),
+ (GWeakNotify)remove_document_queue,
+ NULL);
+ }
+
+ g_queue_push_head (queue, g_object_ref (op));
+}
+
+static EvPrintOperation *
+ev_print_queue_pop (EvDocument *document)
+{
+ EvPrintOperation *op;
+ GQueue *queue;
+
+ queue = g_hash_table_lookup (print_queue, document);
+ if (!queue || g_queue_is_empty (queue))
+ return NULL;
+
+ op = g_queue_pop_tail (queue);
+ g_object_unref (op);
+
+ return op;
+}
+
+static EvPrintOperation *
+ev_print_queue_peek (EvDocument *document)
+{
+ GQueue *queue;
+
+ queue = g_hash_table_lookup (print_queue, document);
+ if (!queue || g_queue_is_empty (queue))
+ return NULL;
+
+ return g_queue_peek_tail (queue);
+}
+
+static void
+ev_print_operation_export_set_current_page (EvPrintOperation *op,
+ gint current_page)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ g_return_if_fail (current_page < export->n_pages);
+
+ export->current_page = current_page;
+}
+
+static void
+ev_print_operation_export_set_print_settings (EvPrintOperation *op,
+ GtkPrintSettings *print_settings)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ if (print_settings == export->print_settings)
+ return;
+
+ g_object_ref (print_settings);
+ if (export->print_settings)
+ g_object_unref (export->print_settings);
+ export->print_settings = print_settings;
+}
+
+static GtkPrintSettings *
+ev_print_operation_export_get_print_settings (EvPrintOperation *op)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ return export->print_settings;
+}
+
+static void
+ev_print_operation_export_set_default_page_setup (EvPrintOperation *op,
+ GtkPageSetup *page_setup)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ if (page_setup == export->page_setup)
+ return;
+
+ g_object_ref (page_setup);
+ if (export->page_setup)
+ g_object_unref (export->page_setup);
+ export->page_setup = page_setup;
+}
+
+static GtkPageSetup *
+ev_print_operation_export_get_default_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ return export->page_setup;
+}
+
+static void
+ev_print_operation_export_set_job_name (EvPrintOperation *op,
+ const gchar *job_name)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ g_free (export->job_name);
+ export->job_name = g_strdup (job_name);
+}
+
+static const gchar *
+ev_print_operation_export_get_job_name (EvPrintOperation *op)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ return export->job_name;
+}
+
+static void
+ev_print_operation_export_set_printer (EvPrintOperationExport *export,
+ GtkPrinter *printer)
+{
+ if (printer == export->printer)
+ return;
+
+ g_object_ref (printer);
+ if (export->printer)
+ g_object_unref (export->printer);
+ export->printer = printer;
+}
+
+static void
+find_range (EvPrintOperationExport *export)
+{
+ GtkPageRange *range;
+
+ range = &export->ranges[export->range];
+
+ if (export->inc < 0) {
+ export->start = range->end;
+ export->end = range->start - 1;
+ } else {
+ export->start = range->start;
+ export->end = range->end + 1;
+ }
+}
+
+static gboolean
+clamp_ranges (EvPrintOperationExport *export)
+{
+ gint num_of_correct_ranges = 0;
+ gint n_pages_to_print = 0;
+ gint i;
+ gboolean null_flag = FALSE;
+
+ for (i = 0; i < export->n_ranges; i++) {
+ gint n_pages;
+
+ if ((export->ranges[i].start >= 0) &&
+ (export->ranges[i].start < export->n_pages) &&
+ (export->ranges[i].end >= 0) &&
+ (export->ranges[i].end < export->n_pages)) {
+ export->ranges[num_of_correct_ranges] = export->ranges[i];
+ num_of_correct_ranges++;
+ } else if ((export->ranges[i].start >= 0) &&
+ (export->ranges[i].start < export->n_pages) &&
+ (export->ranges[i].end >= export->n_pages)) {
+ export->ranges[i].end = export->n_pages - 1;
+ export->ranges[num_of_correct_ranges] = export->ranges[i];
+ num_of_correct_ranges++;
+ } else if ((export->ranges[i].end >= 0) &&
+ (export->ranges[i].end < export->n_pages) &&
+ (export->ranges[i].start < 0)) {
+ export->ranges[i].start = 0;
+ export->ranges[num_of_correct_ranges] = export->ranges[i];
+ num_of_correct_ranges++;
+ }
+
+ n_pages = export->ranges[i].end - export->ranges[i].start + 1;
+ if (export->page_set == GTK_PAGE_SET_ALL) {
+ n_pages_to_print += n_pages;
+ } else if (n_pages % 2 == 0) {
+ n_pages_to_print += n_pages / 2;
+ } else if (export->page_set == GTK_PAGE_SET_EVEN) {
+ if (n_pages==1 && export->ranges[i].start % 2 == 0)
+ null_flag = TRUE;
+ else
+ n_pages_to_print += export->ranges[i].start % 2 == 0 ?
+ n_pages / 2 : (n_pages / 2) + 1;
+ } else if (export->page_set == GTK_PAGE_SET_ODD) {
+ if (n_pages==1 && export->ranges[i].start % 2 != 0)
+ null_flag = TRUE;
+ else
+ n_pages_to_print += export->ranges[i].start % 2 == 0 ?
+ (n_pages / 2) + 1 : n_pages / 2;
+ }
+ }
+
+ if (null_flag && !n_pages_to_print) {
+ return FALSE;
+ } else {
+ export->n_ranges = num_of_correct_ranges;
+ export->n_pages_to_print = n_pages_to_print;
+ return TRUE;
+ }
+}
+
+static void
+get_first_and_last_page (EvPrintOperationExport *export,
+ gint *first,
+ gint *last)
+{
+ gint i;
+ gint first_page = G_MAXINT;
+ gint last_page = G_MININT;
+ gint max_page = export->n_pages - 1;
+
+ if (export->n_ranges == 0) {
+ *first = 0;
+ *last = max_page;
+
+ return;
+ }
+
+ for (i = 0; i < export->n_ranges; i++) {
+ if (export->ranges[i].start < first_page)
+ first_page = export->ranges[i].start;
+ if (export->ranges[i].end > last_page)
+ last_page = export->ranges[i].end;
+ }
+
+ *first = MAX (0, first_page);
+ *last = MIN (max_page, last_page);
+}
+
+static gboolean
+export_print_inc_page (EvPrintOperationExport *export)
+{
+ do {
+ export->page += export->inc;
+
+ /* note: when NOT collating, page_count is increased in export_print_page */
+ if (export->collate) {
+ export->page_count++;
+ export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet;
+ }
+
+ if (export->page == export->end) {
+ export->range += export->inc;
+ if (export->range == -1 || export->range == export->n_ranges) {
+ export->uncollated++;
+
+ /* when printing multiple collated copies & multiple pages per sheet we want to
+ * prevent the next copy bleeding into the last sheet of the previous one
+ * we've reached the last range to be printed now, so this is the time to do it */
+ if (export->pages_per_sheet > 1 && export->collate == 1 &&
+ (export->page_count - 1) % export->pages_per_sheet != 0) {
+
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+ ev_document_doc_mutex_lock ();
+
+ /* keep track of all blanks but only actualise those
+ * which are in the current odd / even sheet set */
+
+ export->page_count += export->pages_per_sheet - (export->page_count - 1) % export->pages_per_sheet;
+ if (export->page_set == GTK_PAGE_SET_ALL ||
+ (export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0) ||
+ (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1) ) {
+ ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document));
+ }
+ ev_document_doc_mutex_unlock ();
+ export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet;
+ }
+
+ if (export->uncollated == export->uncollated_copies)
+ return FALSE;
+
+ export->range = export->inc < 0 ? export->n_ranges - 1 : 0;
+ }
+ find_range (export);
+ export->page = export->start;
+ }
+
+ /* in/decrement the page number until we reach the first page on the next EVEN or ODD sheet
+ * if we're not collating, we have to make sure that this is done only once! */
+ } while ( export->collate == 1 &&
+ ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 1) ||
+ (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 0)));
+
+ return TRUE;
+}
+
+static void
+ev_print_operation_export_clear_temp_file (EvPrintOperationExport *export)
+{
+ if (!export->temp_file)
+ return;
+
+ g_unlink (export->temp_file);
+ g_free (export->temp_file);
+ export->temp_file = NULL;
+}
+
+static void
+ev_print_operation_export_run_next (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+ EvPrintOperation *next;
+ EvDocument *document;
+
+ /* First pop the current job */
+ document = op->document;
+ ev_print_queue_pop (document);
+
+ next = ev_print_queue_peek (document);
+ if (next)
+ ev_print_operation_export_begin (EV_PRINT_OPERATION_EXPORT (next));
+}
+
+static void
+gtk_print_job_finished (GtkPrintJob *print_job,
+ EvPrintOperationExport *export,
+ GError *error)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (error) {
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ error->message);
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+ } else {
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY);
+ }
+
+ ev_print_operation_export_clear_temp_file (export);
+ g_object_unref (print_job);
+
+ ev_print_operation_export_run_next (export);
+}
+
+static void
+export_print_done (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+ GtkPrintSettings *settings;
+ EvFileExporterCapabilities capabilities;
+ GError *error = NULL;
+
+ g_assert (export->temp_file != NULL);
+
+ /* Some printers take into account some print settings,
+ * and others don't. However we have exported the document
+ * to a ps or pdf file according to such print settings. So,
+ * we want to send the exported file to printer with those
+ * settings set to default values.
+ */
+ settings = gtk_print_settings_copy (export->print_settings);
+ capabilities = ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document));
+
+ gtk_print_settings_set_page_ranges (settings, NULL, 0);
+ gtk_print_settings_set_print_pages (settings, GTK_PRINT_PAGES_ALL);
+ if (capabilities & EV_FILE_EXPORTER_CAN_COPIES)
+ gtk_print_settings_set_n_copies (settings, 1);
+ if (capabilities & EV_FILE_EXPORTER_CAN_PAGE_SET)
+ gtk_print_settings_set_page_set (settings, GTK_PAGE_SET_ALL);
+ if (capabilities & EV_FILE_EXPORTER_CAN_SCALE)
+ gtk_print_settings_set_scale (settings, 1.0);
+ if (capabilities & EV_FILE_EXPORTER_CAN_COLLATE)
+ gtk_print_settings_set_collate (settings, FALSE);
+ if (capabilities & EV_FILE_EXPORTER_CAN_REVERSE)
+ gtk_print_settings_set_reverse (settings, FALSE);
+ if (capabilities & EV_FILE_EXPORTER_CAN_NUMBER_UP) {
+ gtk_print_settings_set_number_up (settings, 1);
+ gtk_print_settings_set_int (settings, "cups-"GTK_PRINT_SETTINGS_NUMBER_UP, 1);
+ }
+
+ if (export->print_preview) {
+ GKeyFile *key_file;
+ gchar *data = NULL;
+ gsize data_len;
+ gchar *print_settings_file = NULL;
+
+ key_file = g_key_file_new ();
+
+ gtk_print_settings_to_key_file (settings, key_file, NULL);
+ gtk_page_setup_to_key_file (export->page_setup, key_file, NULL);
+ g_key_file_set_string (key_file, "Print Job", "title", export->job_name);
+
+ data = g_key_file_to_data (key_file, &data_len, &error);
+ if (data) {
+ gint fd;
+
+ fd = g_file_open_tmp ("print-settingsXXXXXX", &print_settings_file, &error);
+ if (!error)
+ g_file_set_contents (print_settings_file, data, data_len, &error);
+ close (fd);
+
+ g_free (data);
+ }
+
+ g_key_file_free (key_file);
+
+ if (!error) {
+ gint argc;
+ gchar **argv;
+ gchar *cmd;
+ gchar *quoted_filename;
+ gchar *quoted_settings_filename;
+
+ quoted_filename = g_shell_quote (export->temp_file);
+ quoted_settings_filename = g_shell_quote (print_settings_file);
+ cmd = g_strdup_printf ("evince-previewer --unlink-tempfile --print-settings %s %s",
+ quoted_settings_filename, quoted_filename);
+
+ g_shell_parse_argv (cmd, &argc, &argv, &error);
+
+ g_free (quoted_filename);
+ g_free (quoted_settings_filename);
+ g_free (cmd);
+
+ if (!error) {
+ gdk_spawn_on_screen (gtk_window_get_screen (export->parent_window),
+ NULL, argv, NULL,
+ G_SPAWN_SEARCH_PATH,
+ NULL, NULL, NULL,
+ &error);
+ }
+
+ g_strfreev (argv);
+ }
+
+ if (error) {
+ if (print_settings_file)
+ g_unlink (print_settings_file);
+ g_free (print_settings_file);
+ } else {
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_APPLY);
+ /* temp_file will be deleted by the previewer */
+
+ ev_print_operation_export_run_next (export);
+ }
+ } else {
+ GtkPrintJob *job;
+
+ job = gtk_print_job_new (export->job_name,
+ export->printer,
+ settings,
+ export->page_setup);
+ gtk_print_job_set_source_file (job, export->temp_file, &error);
+ if (!error){
+ gtk_print_job_send (job,
+ (GtkPrintJobCompleteFunc)gtk_print_job_finished,
+ g_object_ref (export),
+ (GDestroyNotify)g_object_unref);
+ }
+ }
+ g_object_unref (settings);
+
+ if (error) {
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ error->message);
+ g_error_free (error);
+ ev_print_operation_export_clear_temp_file (export);
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+
+ ev_print_operation_export_run_next (export);
+ }
+}
+
+static void
+export_print_page_idle_finished (EvPrintOperationExport *export)
+{
+ export->idle_id = 0;
+}
+
+static void
+export_job_finished (EvJobExport *job,
+ EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (export->pages_per_sheet == 1 ||
+ ( export->page_count % export->pages_per_sheet == 0 &&
+ ( export->page_set == GTK_PAGE_SET_ALL ||
+ ( export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0 ) ||
+ ( export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1 ) ) ) ) {
+
+ ev_document_doc_mutex_lock ();
+ ev_file_exporter_end_page (EV_FILE_EXPORTER (op->document));
+ ev_document_doc_mutex_unlock ();
+ }
+
+ /* Reschedule */
+ export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)export_print_page,
+ export,
+ (GDestroyNotify)export_print_page_idle_finished);
+}
+
+static void
+export_job_cancelled (EvJobExport *job,
+ EvPrintOperationExport *export)
+{
+ export_cancel (export);
+}
+
+static void
+export_cancel (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (export->idle_id > 0)
+ g_source_remove (export->idle_id);
+ export->idle_id = 0;
+
+ if (export->job_export) {
+ g_signal_handlers_disconnect_by_func (export->job_export,
+ export_job_finished,
+ export);
+ g_signal_handlers_disconnect_by_func (export->job_export,
+ export_job_cancelled,
+ export);
+ g_object_unref (export->job_export);
+ export->job_export = NULL;
+ }
+
+ if (export->fd != -1) {
+ close (export->fd);
+ export->fd = -1;
+ }
+
+ ev_print_operation_export_clear_temp_file (export);
+
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL);
+
+ ev_print_operation_export_run_next (export);
+}
+
+static void
+update_progress (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ ev_print_operation_update_status (op, export->total,
+ export->n_pages_to_print,
+ export->total / (gdouble)export->n_pages_to_print);
+}
+
+static gboolean
+export_print_page (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (!export->temp_file)
+ return FALSE; /* cancelled */
+
+ export->total++;
+ export->collated++;
+
+ /* note: when collating, page_count is increased in export_print_inc_page */
+ if (!export->collate) {
+ export->page_count++;
+ export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet;
+ }
+
+ if (export->collated == export->collated_copies) {
+ export->collated = 0;
+ if (!export_print_inc_page (export)) {
+ ev_document_doc_mutex_lock ();
+ ev_file_exporter_end (EV_FILE_EXPORTER (op->document));
+ ev_document_doc_mutex_unlock ();
+
+ close (export->fd);
+ export->fd = -1;
+ update_progress (export);
+ export_print_done (export);
+
+ return FALSE;
+ }
+ }
+
+ /* we're not collating and we've reached a sheet from the wrong sheet set */
+ if (!export->collate &&
+ ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 != 0) ||
+ (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 != 1))) {
+
+ do {
+ export->page_count++;
+ export->collated++;
+ export->sheet = 1 + (export->page_count - 1) / export->pages_per_sheet;
+
+ if (export->collated == export->collated_copies) {
+ export->collated = 0;
+
+ if (!export_print_inc_page (export)) {
+ ev_document_doc_mutex_lock ();
+ ev_file_exporter_end (EV_FILE_EXPORTER (op->document));
+ ev_document_doc_mutex_unlock ();
+
+ close (export->fd);
+ export->fd = -1;
+
+ update_progress (export);
+
+ export_print_done (export);
+ return FALSE;
+ }
+ }
+
+ } while ((export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 != 0) ||
+ (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 != 1));
+
+ }
+
+ if (export->pages_per_sheet == 1 ||
+ (export->page_count % export->pages_per_sheet == 1 &&
+ (export->page_set == GTK_PAGE_SET_ALL ||
+ (export->page_set == GTK_PAGE_SET_EVEN && export->sheet % 2 == 0) ||
+ (export->page_set == GTK_PAGE_SET_ODD && export->sheet % 2 == 1)))) {
+ ev_document_doc_mutex_lock ();
+ ev_file_exporter_begin_page (EV_FILE_EXPORTER (op->document));
+ ev_document_doc_mutex_unlock ();
+ }
+
+ if (!export->job_export) {
+ export->job_export = ev_job_export_new (op->document);
+ g_signal_connect (export->job_export, "finished",
+ G_CALLBACK (export_job_finished),
+ (gpointer)export);
+ g_signal_connect (export->job_export, "cancelled",
+ G_CALLBACK (export_job_cancelled),
+ (gpointer)export);
+ }
+
+ ev_job_export_set_page (EV_JOB_EXPORT (export->job_export), export->page);
+ ev_job_scheduler_push_job (export->job_export, EV_JOB_PRIORITY_NONE);
+
+ update_progress (export);
+
+ return FALSE;
+}
+
+static void
+ev_print_operation_export_begin (EvPrintOperationExport *export)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (!export->temp_file)
+ return; /* cancelled */
+
+ ev_document_doc_mutex_lock ();
+ ev_file_exporter_begin (EV_FILE_EXPORTER (op->document), &export->fc);
+ ev_document_doc_mutex_unlock ();
+
+ export->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
+ (GSourceFunc)export_print_page,
+ export,
+ (GDestroyNotify)export_print_page_idle_finished);
+}
+
+static void
+ev_print_operation_export_print_dialog_response_cb (GtkDialog *dialog,
+ gint response,
+ EvPrintOperationExport *export)
+{
+ GtkPrintPages print_pages;
+ GtkPrintSettings *print_settings;
+ GtkPageSetup *page_setup;
+ GtkPrinter *printer;
+ gdouble scale;
+ gdouble width;
+ gdouble height;
+ gint first_page;
+ gint last_page;
+ const gchar *file_format;
+ gchar *filename;
+ GError *error = NULL;
+ EvPrintOperation *op = EV_PRINT_OPERATION (export);
+
+ if (response != GTK_RESPONSE_OK &&
+ response != GTK_RESPONSE_APPLY) {
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_CANCEL);
+
+ return;
+ }
+
+ export->print_preview = (response == GTK_RESPONSE_APPLY);
+
+ printer = gtk_print_unix_dialog_get_selected_printer (GTK_PRINT_UNIX_DIALOG (dialog));
+ ev_print_operation_export_set_printer (export, printer);
+
+ print_settings = gtk_print_unix_dialog_get_settings (GTK_PRINT_UNIX_DIALOG (dialog));
+ ev_print_operation_export_set_print_settings (op, print_settings);
+
+ page_setup = gtk_print_unix_dialog_get_page_setup (GTK_PRINT_UNIX_DIALOG (dialog));
+ ev_print_operation_export_set_default_page_setup (op, page_setup);
+
+ if (!gtk_printer_accepts_ps (export->printer)) {
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ _("Printing is not supported on this printer."));
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+
+ return;
+ }
+
+ file_format = gtk_print_settings_get (print_settings, GTK_PRINT_SETTINGS_OUTPUT_FILE_FORMAT);
+
+ filename = g_strdup_printf ("evince_print.%s.XXXXXX", file_format != NULL ? file_format : "");
+ export->fd = g_file_open_tmp (filename, &export->temp_file, &error);
+ g_free (filename);
+ if (export->fd <= -1) {
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+
+ g_set_error_literal (&export->error,
+ GTK_PRINT_ERROR,
+ GTK_PRINT_ERROR_GENERAL,
+ error->message);
+ g_error_free (error);
+ g_signal_emit (op, signals[DONE], 0, GTK_PRINT_OPERATION_RESULT_ERROR);
+
+ return;
+ }
+
+ export->current_page = gtk_print_unix_dialog_get_current_page (GTK_PRINT_UNIX_DIALOG (dialog));
+ export->page_set = gtk_print_settings_get_page_set (print_settings);
+ print_pages = gtk_print_settings_get_print_pages (print_settings);
+
+ switch (print_pages) {
+ case GTK_PRINT_PAGES_CURRENT:
+ export->ranges = &export->one_range;
+
+ export->ranges[0].start = export->current_page;
+ export->ranges[0].end = export->current_page;
+ export->n_ranges = 1;
+
+ break;
+ case GTK_PRINT_PAGES_RANGES: {
+ gint i;
+
+ export->ranges = gtk_print_settings_get_page_ranges (print_settings, &export->n_ranges);
+ for (i = 0; i < export->n_ranges; i++)
+ if (export->ranges[i].end == -1 || export->ranges[i].end >= export->n_pages)
+ export->ranges[i].end = export->n_pages - 1;
+ }
+ break;
+ default:
+ g_warning ("Unsupported print pages setting\n");
+ case GTK_PRINT_PAGES_ALL:
+ export->ranges = &export->one_range;
+
+ export->ranges[0].start = 0;
+ export->ranges[0].end = export->n_pages - 1;
+ export->n_ranges = 1;
+
+ break;
+ }
+
+ if (export->n_ranges < 1 || !clamp_ranges (export)) {
+ GtkWidget *message_dialog;
+
+ message_dialog = gtk_message_dialog_new (GTK_WINDOW (dialog),
+ GTK_DIALOG_MODAL,
+ GTK_MESSAGE_WARNING,
+ GTK_BUTTONS_CLOSE,
+ "%s", _("Invalid page selection"));
+ gtk_window_set_title (GTK_WINDOW (message_dialog), _("Warning"));
+ gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (message_dialog),
+ "%s", _("Your print range selection does not include any pages"));
+ g_signal_connect (message_dialog, "response",
+ G_CALLBACK (gtk_widget_destroy),
+ NULL);
+ gtk_widget_show (message_dialog);
+
+ return;
+ } else ev_print_operation_update_status (op, -1, -1, 0.0);
+
+ width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
+ height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
+ scale = gtk_print_settings_get_scale (print_settings) * 0.01;
+ if (scale != 1.0) {
+ width *= scale;
+ height *= scale;
+ }
+
+ export->pages_per_sheet = MAX (1, gtk_print_settings_get_number_up (print_settings));
+
+ export->copies = gtk_print_settings_get_n_copies (print_settings);
+ export->collate = gtk_print_settings_get_collate (print_settings);
+ export->reverse = gtk_print_settings_get_reverse (print_settings);
+
+ if (export->collate) {
+ export->uncollated_copies = export->copies;
+ export->collated_copies = 1;
+ } else {
+ export->uncollated_copies = 1;
+ export->collated_copies = export->copies;
+ }
+
+ if (export->reverse) {
+ export->range = export->n_ranges - 1;
+ export->inc = -1;
+ } else {
+ export->range = 0;
+ export->inc = 1;
+ }
+ find_range (export);
+
+ export->page = export->start - export->inc;
+ export->collated = export->collated_copies - 1;
+
+ get_first_and_last_page (export, &first_page, &last_page);
+
+ export->fc.format = file_format && g_ascii_strcasecmp (file_format, "pdf") == 0 ?
+ EV_FILE_FORMAT_PDF : EV_FILE_FORMAT_PS;
+ export->fc.filename = export->temp_file;
+ export->fc.first_page = MIN (first_page, last_page);
+ export->fc.last_page = MAX (first_page, last_page);
+ export->fc.paper_width = width;
+ export->fc.paper_height = height;
+ export->fc.duplex = FALSE;
+ export->fc.pages_per_sheet = export->pages_per_sheet;
+
+ if (ev_print_queue_is_empty (op->document))
+ ev_print_operation_export_begin (export);
+
+ ev_print_queue_push (op);
+
+ g_signal_emit (op, signals[BEGIN_PRINT], 0);
+
+ gtk_widget_destroy (GTK_WIDGET (dialog));
+}
+
+static void
+ev_print_operation_export_run (EvPrintOperation *op,
+ GtkWindow *parent)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+ GtkWidget *dialog;
+ GtkPrintCapabilities capabilities;
+
+ ev_print_queue_init ();
+
+ export->parent_window = parent;
+ export->error = NULL;
+
+ dialog = gtk_print_unix_dialog_new (_("Print"), parent);
+ gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
+
+ capabilities = GTK_PRINT_CAPABILITY_PREVIEW |
+ ev_file_exporter_get_capabilities (EV_FILE_EXPORTER (op->document));
+ gtk_print_unix_dialog_set_manual_capabilities (GTK_PRINT_UNIX_DIALOG (dialog),
+ capabilities);
+
+ gtk_print_unix_dialog_set_embed_page_setup (GTK_PRINT_UNIX_DIALOG (dialog),
+ export->embed_page_setup);
+
+ gtk_print_unix_dialog_set_current_page (GTK_PRINT_UNIX_DIALOG (dialog),
+ export->current_page);
+
+ gtk_print_unix_dialog_set_settings (GTK_PRINT_UNIX_DIALOG (dialog),
+ export->print_settings);
+
+ if (export->page_setup)
+ gtk_print_unix_dialog_set_page_setup (GTK_PRINT_UNIX_DIALOG (dialog),
+ export->page_setup);
+
+ g_signal_connect (dialog, "response",
+ G_CALLBACK (ev_print_operation_export_print_dialog_response_cb),
+ export);
+
+ gtk_window_present (GTK_WINDOW (dialog));
+}
+
+static void
+ev_print_operation_export_cancel (EvPrintOperation *op)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ if (export->job_export &&
+ !ev_job_is_finished (export->job_export)) {
+ ev_job_cancel (export->job_export);
+ } else {
+ export_cancel (export);
+ }
+}
+
+static void
+ev_print_operation_export_get_error (EvPrintOperation *op,
+ GError **error)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ g_propagate_error (error, export->error);
+ export->error = NULL;
+}
+
+static void
+ev_print_operation_export_set_embed_page_setup (EvPrintOperation *op,
+ gboolean embed)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ export->embed_page_setup = embed;
+}
+
+static gboolean
+ev_print_operation_export_get_embed_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (op);
+
+ return export->embed_page_setup;
+}
+
+static void
+ev_print_operation_export_finalize (GObject *object)
+{
+ EvPrintOperationExport *export = EV_PRINT_OPERATION_EXPORT (object);
+
+ if (export->idle_id > 0) {
+ g_source_remove (export->idle_id);
+ export->idle_id = 0;
+ }
+
+ if (export->fd != -1) {
+ close (export->fd);
+ export->fd = -1;
+ }
+
+ if (export->ranges) {
+ if (export->ranges != &export->one_range)
+ g_free (export->ranges);
+ export->ranges = NULL;
+ export->n_ranges = 0;
+ }
+
+ if (export->temp_file) {
+ g_free (export->temp_file);
+ export->temp_file = NULL;
+ }
+
+ if (export->job_name) {
+ g_free (export->job_name);
+ export->job_name = NULL;
+ }
+
+ if (export->job_export) {
+ if (!ev_job_is_finished (export->job_export))
+ ev_job_cancel (export->job_export);
+ g_signal_handlers_disconnect_by_func (export->job_export,
+ export_job_finished,
+ export);
+ g_signal_handlers_disconnect_by_func (export->job_export,
+ export_job_cancelled,
+ export);
+ g_object_unref (export->job_export);
+ export->job_export = NULL;
+ }
+
+ if (export->error) {
+ g_error_free (export->error);
+ export->error = NULL;
+ }
+
+ if (export->print_settings) {
+ g_object_unref (export->print_settings);
+ export->print_settings = NULL;
+ }
+
+ if (export->page_setup) {
+ g_object_unref (export->page_setup);
+ export->page_setup = NULL;
+ }
+
+ if (export->printer) {
+ g_object_unref (export->printer);
+ export->printer = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_print_operation_export_parent_class)->finalize) (object);
+}
+
+static void
+ev_print_operation_export_init (EvPrintOperationExport *export)
+{
+ /* sheets are counted from 1 to be physical */
+ export->sheet = 1;
+}
+
+static GObject *
+ev_print_operation_export_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ EvPrintOperationExport *export;
+ EvPrintOperation *op;
+
+ object = G_OBJECT_CLASS (ev_print_operation_export_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ export = EV_PRINT_OPERATION_EXPORT (object);
+ op = EV_PRINT_OPERATION (object);
+ export->n_pages = ev_document_get_n_pages (op->document);
+
+ return object;
+}
+
+static void
+ev_print_operation_export_class_init (EvPrintOperationExportClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass);
+
+ ev_print_op_class->set_current_page = ev_print_operation_export_set_current_page;
+ ev_print_op_class->set_print_settings = ev_print_operation_export_set_print_settings;
+ ev_print_op_class->get_print_settings = ev_print_operation_export_get_print_settings;
+ ev_print_op_class->set_default_page_setup = ev_print_operation_export_set_default_page_setup;
+ ev_print_op_class->get_default_page_setup = ev_print_operation_export_get_default_page_setup;
+ ev_print_op_class->set_job_name = ev_print_operation_export_set_job_name;
+ ev_print_op_class->get_job_name = ev_print_operation_export_get_job_name;
+ ev_print_op_class->run = ev_print_operation_export_run;
+ ev_print_op_class->cancel = ev_print_operation_export_cancel;
+ ev_print_op_class->get_error = ev_print_operation_export_get_error;
+ ev_print_op_class->set_embed_page_setup = ev_print_operation_export_set_embed_page_setup;
+ ev_print_op_class->get_embed_page_setup = ev_print_operation_export_get_embed_page_setup;
+
+ g_object_class->constructor = ev_print_operation_export_constructor;
+ g_object_class->finalize = ev_print_operation_export_finalize;
+}
+
+#endif /* GTKUNIXPRINT_ENABLED */
+
+/* Print to cairo interface */
+#define EV_TYPE_PRINT_OPERATION_PRINT (ev_print_operation_print_get_type())
+#define EV_PRINT_OPERATION_PRINT(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION_PRINT, EvPrintOperationPrint))
+#define EV_PRINT_OPERATION_PRINT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION_PRINT, EvPrintOperationPrintClass))
+#define EV_IS_PRINT_OPERATION_PRINT(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION_PRINT))
+
+typedef struct _EvPrintOperationPrint EvPrintOperationPrint;
+typedef struct _EvPrintOperationPrintClass EvPrintOperationPrintClass;
+
+static GType ev_print_operation_print_get_type (void) G_GNUC_CONST;
+
+typedef enum {
+ EV_SCALE_NONE,
+ EV_SCALE_SHRINK_TO_PRINTABLE_AREA,
+ EV_SCALE_FIT_TO_PRINTABLE_AREA
+} EvPrintScale;
+
+#define EV_PRINT_SETTING_PAGE_SCALE "evince-print-setting-page-scale"
+#define EV_PRINT_SETTING_AUTOROTATE "evince-print-setting-page-autorotate"
+#define EV_PRINT_SETTING_PAGE_SIZE "evince-print-setting-page-size"
+
+struct _EvPrintOperationPrint {
+ EvPrintOperation parent;
+
+ GtkPrintOperation *op;
+ gint n_pages_to_print;
+ gint total;
+ EvJob *job_print;
+ gchar *job_name;
+
+ /* Page handling tab */
+ GtkWidget *scale_combo;
+ EvPrintScale page_scale;
+ GtkWidget *autorotate_button;
+ gboolean autorotate;
+ GtkWidget *source_button;
+ gboolean use_source_size;
+};
+
+struct _EvPrintOperationPrintClass {
+ EvPrintOperationClass parent_class;
+};
+
+G_DEFINE_TYPE (EvPrintOperationPrint, ev_print_operation_print, EV_TYPE_PRINT_OPERATION)
+
+static void
+ev_print_operation_print_set_current_page (EvPrintOperation *op,
+ gint current_page)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_set_current_page (print->op, current_page);
+}
+
+static void
+ev_print_operation_print_set_print_settings (EvPrintOperation *op,
+ GtkPrintSettings *print_settings)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_set_print_settings (print->op, print_settings);
+}
+
+static GtkPrintSettings *
+ev_print_operation_print_get_print_settings (EvPrintOperation *op)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ return gtk_print_operation_get_print_settings (print->op);
+}
+
+static void
+ev_print_operation_print_set_default_page_setup (EvPrintOperation *op,
+ GtkPageSetup *page_setup)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_set_default_page_setup (print->op, page_setup);
+}
+
+static GtkPageSetup *
+ev_print_operation_print_get_default_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ return gtk_print_operation_get_default_page_setup (print->op);
+}
+
+static void
+ev_print_operation_print_set_job_name (EvPrintOperation *op,
+ const gchar *job_name)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ g_free (print->job_name);
+ print->job_name = g_strdup (job_name);
+
+ gtk_print_operation_set_job_name (print->op, print->job_name);
+}
+
+static const gchar *
+ev_print_operation_print_get_job_name (EvPrintOperation *op)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ if (!print->job_name) {
+ gchar *name;
+
+ g_object_get (print->op, "job_name", &name, NULL);
+ print->job_name = name;
+ }
+
+ return print->job_name;
+}
+
+static void
+ev_print_operation_print_run (EvPrintOperation *op,
+ GtkWindow *parent)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_run (print->op,
+ GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+ parent, NULL);
+}
+
+static void
+ev_print_operation_print_cancel (EvPrintOperation *op)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_cancel (print->op);
+}
+
+static void
+ev_print_operation_print_get_error (EvPrintOperation *op,
+ GError **error)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_get_error (print->op, error);
+}
+
+static void
+ev_print_operation_print_set_embed_page_setup (EvPrintOperation *op,
+ gboolean embed)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ gtk_print_operation_set_embed_page_setup (print->op, embed);
+}
+
+static gboolean
+ev_print_operation_print_get_embed_page_setup (EvPrintOperation *op)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (op);
+
+ return gtk_print_operation_get_embed_page_setup (print->op);
+}
+
+static void
+ev_print_operation_print_begin_print (EvPrintOperationPrint *print,
+ GtkPrintContext *context)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (print);
+ gint n_pages;
+
+ n_pages = ev_document_get_n_pages (op->document);
+ gtk_print_operation_set_n_pages (print->op, n_pages);
+ ev_print_operation_update_status (op, -1, n_pages, 0);
+
+ g_signal_emit (op, signals[BEGIN_PRINT], 0);
+}
+
+static void
+ev_print_operation_print_done (EvPrintOperationPrint *print,
+ GtkPrintOperationResult result)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (print);
+
+ ev_print_operation_update_status (op, 0, print->n_pages_to_print, 1.0);
+
+ g_signal_emit (op, signals[DONE], 0, result);
+}
+
+static void
+ev_print_operation_print_status_changed (EvPrintOperationPrint *print)
+{
+ GtkPrintStatus status;
+
+ status = gtk_print_operation_get_status (print->op);
+ if (status == GTK_PRINT_STATUS_GENERATING_DATA)
+ print->n_pages_to_print = gtk_print_operation_get_n_pages_to_print (print->op);
+}
+
+static void
+print_job_finished (EvJobPrint *job,
+ EvPrintOperationPrint *print)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (print);
+
+ gtk_print_operation_draw_page_finish (print->op);
+
+ print->total++;
+ ev_print_operation_update_status (op, print->total,
+ print->n_pages_to_print,
+ print->total / (gdouble)print->n_pages_to_print);
+ ev_job_print_set_cairo (job, NULL);
+}
+
+static void
+print_job_cancelled (EvJobPrint *job,
+ EvPrintOperationPrint *print)
+{
+ gtk_print_operation_cancel (print->op);
+}
+
+static void
+ev_print_operation_print_request_page_setup (EvPrintOperationPrint *print,
+ GtkPrintContext *context,
+ gint page_nr,
+ GtkPageSetup *setup)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (print);
+ gdouble width, height;
+ GtkPaperSize *paper_size;
+
+ ev_document_get_page_size (op->document, page_nr,
+ &width, &height);
+
+ if (print->use_source_size) {
+ paper_size = gtk_paper_size_new_custom ("custom", "custom",
+ width, height, GTK_UNIT_POINTS);
+ gtk_page_setup_set_paper_size_and_default_margins (setup, paper_size);
+ gtk_paper_size_free (paper_size);
+ }
+
+ if (print->autorotate) {
+ if (width > height)
+ gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_LANDSCAPE);
+ else
+ gtk_page_setup_set_orientation (setup, GTK_PAGE_ORIENTATION_PORTRAIT);
+ }
+}
+
+static void
+_print_context_get_hard_margins (GtkPrintContext *context,
+ gdouble *top,
+ gdouble *bottom,
+ gdouble *left,
+ gdouble *right)
+{
+ if (!gtk_print_context_get_hard_margins (context, top, bottom, left, right)) {
+ *top = 0;
+ *bottom = 0;
+ *left = 0;
+ *right = 0;
+ }
+}
+
+static void
+ev_print_operation_print_draw_page (EvPrintOperationPrint *print,
+ GtkPrintContext *context,
+ gint page)
+{
+ EvPrintOperation *op = EV_PRINT_OPERATION (print);
+ cairo_t *cr;
+ gdouble cr_width, cr_height;
+ gdouble width, height, scale;
+ gdouble x_scale, y_scale;
+ gdouble top, bottom, left, right;
+
+ gtk_print_operation_set_defer_drawing (print->op);
+
+ if (!print->job_print) {
+ print->job_print = ev_job_print_new (op->document);
+ g_signal_connect (G_OBJECT (print->job_print), "finished",
+ G_CALLBACK (print_job_finished),
+ (gpointer)print);
+ g_signal_connect (G_OBJECT (print->job_print), "cancelled",
+ G_CALLBACK (print_job_cancelled),
+ (gpointer)print);
+ }
+
+ ev_job_print_set_page (EV_JOB_PRINT (print->job_print), page);
+
+ cr = gtk_print_context_get_cairo_context (context);
+ cr_width = gtk_print_context_get_width (context);
+ cr_height = gtk_print_context_get_height (context);
+ ev_document_get_page_size (op->document, page, &width, &height);
+
+ if (print->page_scale == EV_SCALE_NONE) {
+ /* Center document page on the printed page */
+ if (print->autorotate)
+ cairo_translate (cr, (cr_width - width) / 2, (cr_height - height) / 2);
+ } else {
+ _print_context_get_hard_margins (context, &top, &bottom, &left, &right);
+
+ x_scale = (cr_width - left - right) / width;
+ y_scale = (cr_height - top - bottom) / height;
+
+ if (x_scale < y_scale)
+ scale = x_scale;
+ else
+ scale = y_scale;
+
+ if (print->autorotate) {
+ double left_right_sides, top_bottom_sides;
+
+ cairo_translate (cr, (cr_width - scale * width) / 2,
+ (cr_height - scale * height) / 2);
+
+ /* Ensure document page is within the margins. The
+ * scale guarantees the document will fit in the
+ * margins so we just need to check each side and
+ * if it overhangs the margin, translate it to the
+ * margin. */
+ left_right_sides = (cr_width - width*scale)/2;
+ top_bottom_sides = (cr_height - height*scale)/2;
+ if (left_right_sides < left)
+ cairo_translate (cr, left - left_right_sides, 0);
+
+ if (left_right_sides < right)
+ cairo_translate (cr, -(right - left_right_sides), 0);
+
+ if (top_bottom_sides < top)
+ cairo_translate (cr, 0, top - top_bottom_sides);
+
+ if (top_bottom_sides < bottom)
+ cairo_translate (cr, 0, -(bottom - top_bottom_sides));
+ } else {
+ cairo_translate (cr, left, top);
+ }
+
+ if (print->page_scale == EV_SCALE_FIT_TO_PRINTABLE_AREA || scale < 1.0) {
+ cairo_scale (cr, scale, scale);
+ }
+ }
+
+ ev_job_print_set_cairo (EV_JOB_PRINT (print->job_print), cr);
+ ev_job_scheduler_push_job (print->job_print, EV_JOB_PRIORITY_NONE);
+}
+
+static GObject *
+ev_print_operation_print_create_custom_widget (EvPrintOperationPrint *print,
+ GtkPrintContext *context)
+{
+ GtkPrintSettings *settings;
+ GtkWidget *label;
+ GtkWidget *table;
+ EvPrintScale page_scale;
+ gboolean autorotate;
+ gboolean use_source_size;
+
+ settings = gtk_print_operation_get_print_settings (print->op);
+ page_scale = gtk_print_settings_get_int_with_default (settings, EV_PRINT_SETTING_PAGE_SCALE, 1);
+ autorotate = gtk_print_settings_has_key (settings, EV_PRINT_SETTING_AUTOROTATE) ?
+ gtk_print_settings_get_bool (settings, EV_PRINT_SETTING_AUTOROTATE) :
+ TRUE;
+ use_source_size = gtk_print_settings_get_bool (settings, EV_PRINT_SETTING_PAGE_SIZE);
+
+ table = gtk_table_new (3, 2, FALSE);
+ gtk_table_set_row_spacings (GTK_TABLE (table), 6);
+ gtk_table_set_col_spacings (GTK_TABLE (table), 12);
+ gtk_container_set_border_width (GTK_CONTAINER (table), 12);
+
+ label = gtk_label_new (_("Page Scaling:"));
+ gtk_table_attach (GTK_TABLE (table), label, 0, 1, 0, 1, GTK_FILL, 0, 0, 0);
+ gtk_widget_show (label);
+
+ print->scale_combo = gtk_combo_box_new_text ();
+ gtk_combo_box_append_text (GTK_COMBO_BOX (print->scale_combo), _("None"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (print->scale_combo), _("Shrink to Printable Area"));
+ gtk_combo_box_append_text (GTK_COMBO_BOX (print->scale_combo), _("Fit to Printable Area"));
+ gtk_combo_box_set_active (GTK_COMBO_BOX (print->scale_combo), page_scale);
+ gtk_widget_set_tooltip_text (print->scale_combo,
+ _("Scale document pages to fit the selected printer page. Select from one of the following:\n"
+ "\n"
+ "• \"None\": No page scaling is performed.\n"
+ "\n"
+ "• \"Shrink to Printable Area\": Document pages larger than the printable area"
+ " are reduced to fit the printable area of the printer page.\n"
+ "\n"
+ "• \"Fit to Printable Area\": Document pages are enlarged or reduced as"
+ " required to fit the printable area of the printer page.\n"));
+ gtk_table_attach (GTK_TABLE (table), print->scale_combo, 1, 2, 0, 1, GTK_FILL, 0, 0, 0);
+ gtk_widget_show (print->scale_combo);
+
+ print->autorotate_button = gtk_check_button_new_with_label (_("Auto Rotate and Center"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (print->autorotate_button), autorotate);
+ gtk_widget_set_tooltip_text (print->autorotate_button,
+ _("Rotate printer page orientation of each page to match orientation of each document page. "
+ "Document pages will be centered within the printer page."));
+ gtk_table_attach (GTK_TABLE (table), print->autorotate_button, 0, 2, 1, 2, GTK_FILL, 0, 0, 0);
+ gtk_widget_show (print->autorotate_button);
+
+ print->source_button = gtk_check_button_new_with_label (_("Select page size using document page size"));
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (print->source_button), use_source_size);
+ gtk_widget_set_tooltip_text (print->source_button, _("When enabled, each page will be printed on "
+ "the same size paper as the document page."));
+ gtk_table_attach (GTK_TABLE (table), print->source_button, 0, 2, 2, 3, GTK_FILL, 0, 0, 0);
+ gtk_widget_show (print->source_button);
+
+ return G_OBJECT (table);
+}
+
+static void
+ev_print_operation_print_custom_widget_apply (EvPrintOperationPrint *print,
+ GtkPrintContext *context)
+{
+ GtkPrintSettings *settings;
+
+ print->page_scale = gtk_combo_box_get_active (GTK_COMBO_BOX (print->scale_combo));
+ print->autorotate = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (print->autorotate_button));
+ print->use_source_size = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (print->source_button));
+ settings = gtk_print_operation_get_print_settings (print->op);
+ gtk_print_settings_set_int (settings, EV_PRINT_SETTING_PAGE_SCALE, print->page_scale);
+ gtk_print_settings_set_bool (settings, EV_PRINT_SETTING_AUTOROTATE, print->autorotate);
+ gtk_print_settings_set_bool (settings, EV_PRINT_SETTING_PAGE_SIZE, print->use_source_size);
+}
+
+static void
+ev_print_operation_print_finalize (GObject *object)
+{
+ EvPrintOperationPrint *print = EV_PRINT_OPERATION_PRINT (object);
+
+ if (print->op) {
+ g_object_unref (print->op);
+ print->op = NULL;
+ }
+
+ if (print->job_name) {
+ g_free (print->job_name);
+ print->job_name = NULL;
+ }
+
+ if (print->job_print) {
+ if (!ev_job_is_finished (print->job_print))
+ ev_job_cancel (print->job_print);
+ g_signal_handlers_disconnect_by_func (print->job_print,
+ print_job_finished,
+ print);
+ g_signal_handlers_disconnect_by_func (print->job_print,
+ print_job_cancelled,
+ print);
+ g_object_unref (print->job_print);
+ print->job_print = NULL;
+ }
+
+ (* G_OBJECT_CLASS (ev_print_operation_print_parent_class)->finalize) (object);
+}
+
+static void
+ev_print_operation_print_init (EvPrintOperationPrint *print)
+{
+ print->op = gtk_print_operation_new ();
+ g_signal_connect_swapped (print->op, "begin_print",
+ G_CALLBACK (ev_print_operation_print_begin_print),
+ print);
+ g_signal_connect_swapped (print->op, "done",
+ G_CALLBACK (ev_print_operation_print_done),
+ print);
+ g_signal_connect_swapped (print->op, "draw_page",
+ G_CALLBACK (ev_print_operation_print_draw_page),
+ print);
+ g_signal_connect_swapped (print->op, "status_changed",
+ G_CALLBACK (ev_print_operation_print_status_changed),
+ print);
+ g_signal_connect_swapped (print->op, "request_page_setup",
+ G_CALLBACK (ev_print_operation_print_request_page_setup),
+ print);
+ g_signal_connect_swapped (print->op, "create_custom_widget",
+ G_CALLBACK (ev_print_operation_print_create_custom_widget),
+ print);
+ g_signal_connect_swapped (print->op, "custom_widget_apply",
+ G_CALLBACK (ev_print_operation_print_custom_widget_apply),
+ print);
+ gtk_print_operation_set_allow_async (print->op, TRUE);
+ gtk_print_operation_set_use_full_page (print->op, TRUE);
+ gtk_print_operation_set_unit (print->op, GTK_UNIT_POINTS);
+ gtk_print_operation_set_custom_tab_label (print->op, _("Page Handling"));
+}
+
+static void
+ev_print_operation_print_class_init (EvPrintOperationPrintClass *klass)
+{
+ GObjectClass *g_object_class = G_OBJECT_CLASS (klass);
+ EvPrintOperationClass *ev_print_op_class = EV_PRINT_OPERATION_CLASS (klass);
+
+ ev_print_op_class->set_current_page = ev_print_operation_print_set_current_page;
+ ev_print_op_class->set_print_settings = ev_print_operation_print_set_print_settings;
+ ev_print_op_class->get_print_settings = ev_print_operation_print_get_print_settings;
+ ev_print_op_class->set_default_page_setup = ev_print_operation_print_set_default_page_setup;
+ ev_print_op_class->get_default_page_setup = ev_print_operation_print_get_default_page_setup;
+ ev_print_op_class->set_job_name = ev_print_operation_print_set_job_name;
+ ev_print_op_class->get_job_name = ev_print_operation_print_get_job_name;
+ ev_print_op_class->run = ev_print_operation_print_run;
+ ev_print_op_class->cancel = ev_print_operation_print_cancel;
+ ev_print_op_class->get_error = ev_print_operation_print_get_error;
+ ev_print_op_class->set_embed_page_setup = ev_print_operation_print_set_embed_page_setup;
+ ev_print_op_class->get_embed_page_setup = ev_print_operation_print_get_embed_page_setup;
+
+ g_object_class->finalize = ev_print_operation_print_finalize;
+}
+
+gboolean
+ev_print_operation_exists_for_document (EvDocument *document)
+{
+#if GTKUNIXPRINT_ENABLED
+ return (EV_IS_FILE_EXPORTER(document) || EV_IS_DOCUMENT_PRINT(document));
+#else
+ return EV_IS_DOCUMENT_PRINT(document);
+#endif /* GTKUNIXPRINT_ENABLED */
+}
+
+/* Factory method */
+EvPrintOperation *
+ev_print_operation_new (EvDocument *document)
+{
+ EvPrintOperation *op = NULL;
+
+ g_return_val_if_fail (ev_print_operation_exists_for_document (document), NULL);
+
+ if (EV_IS_DOCUMENT_PRINT (document))
+ op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_PRINT,
+ "document", document, NULL));
+ else
+#if GTKUNIXPRINT_ENABLED
+ op = EV_PRINT_OPERATION (g_object_new (EV_TYPE_PRINT_OPERATION_EXPORT,
+ "document", document, NULL));
+#else
+ op = NULL;
+#endif
+ return op;
+}
diff --git a/libview/ev-print-operation.h b/libview/ev-print-operation.h
new file mode 100644
index 00000000..c01a0995
--- /dev/null
+++ b/libview/ev-print-operation.h
@@ -0,0 +1,71 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2008 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_PRINT_OPERATION_H__
+#define __EV_PRINT_OPERATION_H__
+
+#include <gtk/gtk.h>
+#include <glib-object.h>
+
+#include <evince-document.h>
+
+G_BEGIN_DECLS
+
+typedef struct _EvPrintOperation EvPrintOperation;
+typedef struct _EvPrintOperationClass EvPrintOperationClass;
+
+#define EV_TYPE_PRINT_OPERATION (ev_print_operation_get_type())
+#define EV_PRINT_OPERATION(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_PRINT_OPERATION, EvPrintOperation))
+#define EV_PRINT_OPERATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_PRINT_OPERATION, EvPrintOperationClass))
+#define EV_IS_PRINT_OPERATION(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_PRINT_OPERATION))
+#define EV_PRINT_OPERATION_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS((object), EV_TYPE_PRINT_OPERATION, EvPrintOperationClass))
+
+GType ev_print_operation_get_type (void) G_GNUC_CONST;
+
+gboolean ev_print_operation_exists_for_document (EvDocument *document);
+EvPrintOperation *ev_print_operation_new (EvDocument *document);
+void ev_print_operation_set_current_page (EvPrintOperation *op,
+ gint current_page);
+void ev_print_operation_set_print_settings (EvPrintOperation *op,
+ GtkPrintSettings *print_settings);
+GtkPrintSettings *ev_print_operation_get_print_settings (EvPrintOperation *op);
+void ev_print_operation_set_default_page_setup (EvPrintOperation *op,
+ GtkPageSetup *page_setup);
+GtkPageSetup *ev_print_operation_get_default_page_setup (EvPrintOperation *op);
+void ev_print_operation_set_job_name (EvPrintOperation *op,
+ const gchar *job_name);
+const gchar *ev_print_operation_get_job_name (EvPrintOperation *op);
+void ev_print_operation_run (EvPrintOperation *op,
+ GtkWindow *parent);
+void ev_print_operation_cancel (EvPrintOperation *op);
+void ev_print_operation_get_error (EvPrintOperation *op,
+ GError **error);
+void ev_print_operation_set_embed_page_setup (EvPrintOperation *op,
+ gboolean embed);
+gboolean ev_print_operation_get_embed_page_setup (EvPrintOperation *op);
+const gchar *ev_print_operation_get_status (EvPrintOperation *op);
+gdouble ev_print_operation_get_progress (EvPrintOperation *op);
+
+G_END_DECLS
+
+#endif /* __EV_PRINT_OPERATION_H__ */
diff --git a/libview/ev-stock-icons.c b/libview/ev-stock-icons.c
new file mode 100644
index 00000000..47b3943e
--- /dev/null
+++ b/libview/ev-stock-icons.c
@@ -0,0 +1,143 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Stock icons for Evince
+ *
+ * Copyright (C) 2003 Martin Kretzschmar
+ *
+ * Author:
+ * Martin Kretzschmar <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+
+#include "ev-stock-icons.h"
+
+typedef struct {
+ char *stock_id;
+ char *icon;
+} EvStockIcon;
+
+/* Evince stock icons */
+static const EvStockIcon stock_icons [] = {
+ { EV_STOCK_ZOOM, "zoom" },
+ { EV_STOCK_ZOOM_PAGE, "zoom-fit-height" },
+ { EV_STOCK_ZOOM_WIDTH, "zoom-fit-width" },
+ { EV_STOCK_VIEW_DUAL, "view-page-facing" },
+ { EV_STOCK_VIEW_CONTINUOUS, "view-page-continuous" },
+ { EV_STOCK_ROTATE_LEFT, "object-rotate-left"},
+ { EV_STOCK_ROTATE_RIGHT, "object-rotate-right"},
+ { EV_STOCK_RUN_PRESENTATION, "x-office-presentation"},
+ { EV_STOCK_VISIBLE, "eye"},
+ { EV_STOCK_RESIZE_SE, "resize-se"},
+ { EV_STOCK_RESIZE_SW, "resize-sw"},
+ { EV_STOCK_CLOSE, "close"},
+ { EV_STOCK_INVERTED_COLORS, "stock_filters-invert"},
+ { EV_STOCK_ATTACHMENT, "mail-attachment"}
+};
+
+static gchar *ev_icons_path;
+
+static void
+ev_stock_icons_add_icons_path_for_screen (GdkScreen *screen)
+{
+ GtkIconTheme *icon_theme;
+
+ g_return_if_fail (ev_icons_path != NULL);
+
+ icon_theme = screen ? gtk_icon_theme_get_for_screen (screen) : gtk_icon_theme_get_default ();
+ if (icon_theme) {
+ gchar **path = NULL;
+ gint n_paths;
+ gint i;
+
+ /* GtkIconTheme will then look in Evince custom hicolor dir
+ * for icons as well as the standard search paths
+ */
+ gtk_icon_theme_get_search_path (icon_theme, &path, &n_paths);
+ for (i = n_paths - 1; i >= 0; i--) {
+ if (g_ascii_strcasecmp (ev_icons_path, path[i]) == 0)
+ break;
+ }
+
+ if (i < 0)
+ gtk_icon_theme_append_search_path (icon_theme,
+ ev_icons_path);
+
+ g_strfreev (path);
+ }
+}
+
+/**
+ * ev_stock_icons_init:
+ *
+ * Creates a new icon factory, adding the base stock icons to it.
+ */
+void
+ev_stock_icons_init (void)
+{
+ GtkIconFactory *factory;
+ GtkIconSource *source;
+ gint i;
+#ifdef G_OS_WIN32
+ gchar *dir;
+
+ dir = g_win32_get_package_installation_directory_of_module (NULL);
+ ev_icons_path = g_build_filename (dir, "share", "evince", "icons", NULL);
+ g_free (dir);
+#else
+ ev_icons_path = g_build_filename (EVINCEDATADIR, "icons", NULL);
+#endif
+
+ factory = gtk_icon_factory_new ();
+ gtk_icon_factory_add_default (factory);
+
+ source = gtk_icon_source_new ();
+
+ for (i = 0; i < G_N_ELEMENTS (stock_icons); i++) {
+ GtkIconSet *set;
+
+ gtk_icon_source_set_icon_name (source, stock_icons [i].icon);
+
+ set = gtk_icon_set_new ();
+ gtk_icon_set_add_source (set, source);
+
+ gtk_icon_factory_add (factory, stock_icons [i].stock_id, set);
+ gtk_icon_set_unref (set);
+ }
+
+ gtk_icon_source_free (source);
+
+ g_object_unref (G_OBJECT (factory));
+
+ ev_stock_icons_add_icons_path_for_screen (gdk_screen_get_default ());
+}
+
+void
+ev_stock_icons_set_screen (GdkScreen *screen)
+{
+ g_return_if_fail (GDK_IS_SCREEN (screen));
+
+ ev_stock_icons_add_icons_path_for_screen (screen);
+}
+
+void
+ev_stock_icons_shutdown (void)
+{
+ g_free (ev_icons_path);
+}
+
diff --git a/libview/ev-stock-icons.h b/libview/ev-stock-icons.h
new file mode 100644
index 00000000..96ec26f6
--- /dev/null
+++ b/libview/ev-stock-icons.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* Stock icons for Evince
+ *
+ * Copyright (C) 2003 Martin Kretzschmar
+ *
+ * Author:
+ * Martin Kretzschmar <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_STOCK_ICONS_H__
+#define __EV_STOCK_ICONS_H__
+
+#include <gdk/gdk.h>
+
+G_BEGIN_DECLS
+
+/* Evince stock icons */
+#define EV_STOCK_ZOOM "zoom"
+#define EV_STOCK_ZOOM_PAGE "zoom-fit-height"
+#define EV_STOCK_ZOOM_WIDTH "zoom-fit-width"
+#define EV_STOCK_VIEW_DUAL "view-page-facing"
+#define EV_STOCK_VIEW_CONTINUOUS "view-page-continuous"
+#define EV_STOCK_ROTATE_LEFT "object-rotate-left"
+#define EV_STOCK_ROTATE_RIGHT "object-rotate-right"
+#define EV_STOCK_RUN_PRESENTATION "x-office-presentation"
+#define EV_STOCK_VISIBLE "eye"
+#define EV_STOCK_RESIZE_SE "resize-se"
+#define EV_STOCK_RESIZE_SW "resize-sw"
+#define EV_STOCK_CLOSE "close"
+#define EV_STOCK_INVERTED_COLORS "inverted"
+#define EV_STOCK_ATTACHMENT "mail-attachment"
+
+void ev_stock_icons_init (void);
+void ev_stock_icons_shutdown (void);
+void ev_stock_icons_set_screen (GdkScreen *screen);
+
+G_END_DECLS
+
+#endif /* __EV_STOCK_ICONS_H__ */
diff --git a/libview/ev-timeline.c b/libview/ev-timeline.c
new file mode 100644
index 00000000..7491d6cf
--- /dev/null
+++ b/libview/ev-timeline.c
@@ -0,0 +1,450 @@
+/* ev-timeline.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2007 Carlos Garnacho <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <glib.h>
+#include <math.h>
+#include <gdk/gdk.h>
+#include "ev-timeline.h"
+
+#define EV_TIMELINE_GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TIMELINE, EvTimelinePriv))
+#define MSECS_PER_SEC 1000
+#define FRAME_INTERVAL(nframes) (MSECS_PER_SEC / nframes)
+#define DEFAULT_FPS 30
+
+typedef struct EvTimelinePriv EvTimelinePriv;
+
+struct EvTimelinePriv {
+ guint duration;
+ guint fps;
+ guint source_id;
+
+ GTimer *timer;
+
+ guint loop : 1;
+};
+
+enum {
+ PROP_0,
+ PROP_FPS,
+ PROP_DURATION,
+ PROP_LOOP
+};
+
+enum {
+ STARTED,
+ PAUSED,
+ FINISHED,
+ FRAME,
+ LAST_SIGNAL
+};
+
+static guint signals [LAST_SIGNAL] = { 0, };
+
+
+G_DEFINE_TYPE (EvTimeline, ev_timeline, G_TYPE_OBJECT)
+
+
+static void
+ev_timeline_init (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ priv->fps = DEFAULT_FPS;
+ priv->duration = 0;
+}
+
+static void
+ev_timeline_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvTimeline *timeline;
+
+ timeline = EV_TIMELINE (object);
+
+ switch (prop_id) {
+ case PROP_FPS:
+ ev_timeline_set_fps (timeline, g_value_get_uint (value));
+ break;
+ case PROP_DURATION:
+ ev_timeline_set_duration (timeline, g_value_get_uint (value));
+ break;
+ case PROP_LOOP:
+ ev_timeline_set_loop (timeline, g_value_get_boolean (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_timeline_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvTimeline *timeline;
+ EvTimelinePriv *priv;
+
+ timeline = EV_TIMELINE (object);
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ switch (prop_id) {
+ case PROP_FPS:
+ g_value_set_uint (value, priv->fps);
+ break;
+ case PROP_DURATION:
+ g_value_set_uint (value, priv->duration);
+ break;
+ case PROP_LOOP:
+ g_value_set_boolean (value, priv->loop);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_timeline_finalize (GObject *object)
+{
+ EvTimelinePriv *priv;
+
+ priv = EV_TIMELINE_GET_PRIV (object);
+
+ if (priv->source_id) {
+ g_source_remove (priv->source_id);
+ priv->source_id = 0;
+ }
+
+ if (priv->timer)
+ g_timer_destroy (priv->timer);
+
+ G_OBJECT_CLASS (ev_timeline_parent_class)->finalize (object);
+}
+
+static gboolean
+ev_timeline_run_frame (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+ gdouble progress;
+ guint elapsed_time;
+
+ GDK_THREADS_ENTER ();
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000);
+ progress = (gdouble) elapsed_time / priv->duration;
+ progress = CLAMP (progress, 0., 1.);
+
+ g_signal_emit (timeline, signals [FRAME], 0, progress);
+
+ if (progress >= 1.0) {
+ if (!priv->loop) {
+ if (priv->source_id) {
+ g_source_remove (priv->source_id);
+ priv->source_id = 0;
+ }
+
+ g_signal_emit (timeline, signals [FINISHED], 0);
+ return FALSE;
+ } else {
+ ev_timeline_rewind (timeline);
+ }
+ }
+
+ GDK_THREADS_LEAVE ();
+
+ return TRUE;
+}
+
+static void
+ev_timeline_real_start (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ if (!priv->source_id) {
+ if (priv->timer)
+ g_timer_continue (priv->timer);
+ else
+ priv->timer = g_timer_new ();
+
+ /* sanity check */
+ g_assert (priv->fps > 0);
+
+ g_signal_emit (timeline, signals [STARTED], 0);
+
+ priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps),
+ (GSourceFunc) ev_timeline_run_frame,
+ timeline);
+ }
+}
+
+static void
+ev_timeline_class_init (EvTimelineClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+
+ object_class->set_property = ev_timeline_set_property;
+ object_class->get_property = ev_timeline_get_property;
+ object_class->finalize = ev_timeline_finalize;
+
+ class->start = ev_timeline_real_start;
+
+ g_object_class_install_property (object_class,
+ PROP_FPS,
+ g_param_spec_uint ("fps",
+ "FPS",
+ "Frames per second for the timeline",
+ 1,
+ G_MAXUINT,
+ DEFAULT_FPS,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_DURATION,
+ g_param_spec_uint ("duration",
+ "Animation Duration",
+ "Animation Duration",
+ 0,
+ G_MAXUINT,
+ 0,
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_LOOP,
+ g_param_spec_boolean ("loop",
+ "Loop",
+ "Whether the timeline loops or not",
+ FALSE,
+ G_PARAM_READWRITE));
+ signals[STARTED] =
+ g_signal_new ("started",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvTimelineClass, started),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[PAUSED] =
+ g_signal_new ("paused",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvTimelineClass, paused),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[FINISHED] =
+ g_signal_new ("finished",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvTimelineClass, finished),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+
+ signals[FRAME] =
+ g_signal_new ("frame",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (EvTimelineClass, frame),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__DOUBLE,
+ G_TYPE_NONE, 1,
+ G_TYPE_DOUBLE);
+
+ g_type_class_add_private (class, sizeof (EvTimelinePriv));
+}
+
+EvTimeline *
+ev_timeline_new (guint duration)
+{
+ return g_object_new (EV_TYPE_TIMELINE,
+ "duration", duration,
+ NULL);
+}
+
+void
+ev_timeline_start (EvTimeline *timeline)
+{
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ EV_TIMELINE_GET_CLASS (timeline)->start (timeline);
+}
+
+void
+ev_timeline_pause (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ if (priv->source_id) {
+ g_source_remove (priv->source_id);
+ priv->source_id = 0;
+ g_timer_stop (priv->timer);
+ g_signal_emit (timeline, signals [PAUSED], 0);
+ }
+}
+
+void
+ev_timeline_rewind (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ /* destroy and re-create timer if neccesary */
+ if (priv->timer) {
+ g_timer_destroy (priv->timer);
+
+ if (ev_timeline_is_running (timeline))
+ priv->timer = g_timer_new ();
+ else
+ priv->timer = NULL;
+ }
+}
+
+gboolean
+ev_timeline_is_running (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE);
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ return (priv->source_id != 0);
+}
+
+guint
+ev_timeline_get_fps (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_val_if_fail (EV_IS_TIMELINE (timeline), 1);
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+ return priv->fps;
+}
+
+void
+ev_timeline_set_fps (EvTimeline *timeline,
+ guint fps)
+{
+ EvTimelinePriv *priv;
+
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ priv->fps = fps;
+
+ if (ev_timeline_is_running (timeline)) {
+ g_source_remove (priv->source_id);
+ priv->source_id = g_timeout_add (FRAME_INTERVAL (priv->fps),
+ (GSourceFunc) ev_timeline_run_frame,
+ timeline);
+ }
+
+ g_object_notify (G_OBJECT (timeline), "fps");
+}
+
+gboolean
+ev_timeline_get_loop (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_val_if_fail (EV_IS_TIMELINE (timeline), FALSE);
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+ return priv->loop;
+}
+
+void
+ev_timeline_set_loop (EvTimeline *timeline,
+ gboolean loop)
+{
+ EvTimelinePriv *priv;
+
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+ priv->loop = loop;
+
+ g_object_notify (G_OBJECT (timeline), "loop");
+}
+
+void
+ev_timeline_set_duration (EvTimeline *timeline,
+ guint duration)
+{
+ EvTimelinePriv *priv;
+
+ g_return_if_fail (EV_IS_TIMELINE (timeline));
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ priv->duration = duration;
+
+ g_object_notify (G_OBJECT (timeline), "duration");
+}
+
+guint
+ev_timeline_get_duration (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+
+ g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0);
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ return priv->duration;
+}
+
+gdouble
+ev_timeline_get_progress (EvTimeline *timeline)
+{
+ EvTimelinePriv *priv;
+ gdouble progress;
+ guint elapsed_time;
+
+ g_return_val_if_fail (EV_IS_TIMELINE (timeline), 0.0);
+
+ priv = EV_TIMELINE_GET_PRIV (timeline);
+
+ if (!priv->timer)
+ return 0.;
+
+ elapsed_time = (guint) (g_timer_elapsed (priv->timer, NULL) * 1000);
+ progress = (gdouble) elapsed_time / priv->duration;
+
+ return CLAMP (progress, 0., 1.);
+}
diff --git a/libview/ev-timeline.h b/libview/ev-timeline.h
new file mode 100644
index 00000000..e7f9d625
--- /dev/null
+++ b/libview/ev-timeline.h
@@ -0,0 +1,90 @@
+/* ev-timeline.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2007 Carlos Garnacho <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (EVINCE_COMPILATION)
+#error "This is a private header."
+#endif
+
+#ifndef __EV_TIMELINE_H__
+#define __EV_TIMELINE_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_TIMELINE (ev_timeline_get_type ())
+#define EV_TIMELINE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TIMELINE, EvTimeline))
+#define EV_TIMELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TIMELINE, EvTimelineClass))
+#define EV_IS_TIMELINE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TIMELINE))
+#define EV_IS_TIMELINE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TIMELINE))
+#define EV_TIMELINE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TIMELINE, EvTimelineClass))
+
+typedef struct EvTimeline EvTimeline;
+typedef struct EvTimelineClass EvTimelineClass;
+
+struct EvTimeline {
+ GObject parent_instance;
+};
+
+struct EvTimelineClass {
+ GObjectClass parent_class;
+
+ /* vmethods */
+ void (* start) (EvTimeline *timeline);
+
+ /* signals */
+ void (* started) (EvTimeline *timeline);
+ void (* finished) (EvTimeline *timeline);
+ void (* paused) (EvTimeline *timeline);
+
+ void (* frame) (EvTimeline *timeline,
+ gdouble progress);
+};
+
+
+GType ev_timeline_get_type (void) G_GNUC_CONST;
+
+EvTimeline *ev_timeline_new (guint duration);
+
+void ev_timeline_start (EvTimeline *timeline);
+void ev_timeline_pause (EvTimeline *timeline);
+void ev_timeline_rewind (EvTimeline *timeline);
+
+gboolean ev_timeline_is_running (EvTimeline *timeline);
+
+guint ev_timeline_get_fps (EvTimeline *timeline);
+void ev_timeline_set_fps (EvTimeline *timeline,
+ guint fps);
+
+gboolean ev_timeline_get_loop (EvTimeline *timeline);
+void ev_timeline_set_loop (EvTimeline *timeline,
+ gboolean loop);
+
+guint ev_timeline_get_duration (EvTimeline *timeline);
+void ev_timeline_set_duration (EvTimeline *timeline,
+ guint duration);
+
+gdouble ev_timeline_get_progress (EvTimeline *timeline);
+
+
+G_END_DECLS
+
+#endif /* __EV_TIMELINE_H__ */
diff --git a/libview/ev-transition-animation.c b/libview/ev-transition-animation.c
new file mode 100644
index 00000000..a767019b
--- /dev/null
+++ b/libview/ev-transition-animation.c
@@ -0,0 +1,676 @@
+/* ev-transition-animation.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2007 Carlos Garnacho <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <cairo.h>
+#include <gdk/gdk.h>
+#include "ev-transition-animation.h"
+#include "ev-timeline.h"
+
+#define EV_TRANSITION_ANIMATION_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationPriv))
+#define N_BLINDS 6
+
+typedef struct EvTransitionAnimationPriv EvTransitionAnimationPriv;
+
+struct EvTransitionAnimationPriv {
+ EvTransitionEffect *effect;
+ cairo_surface_t *origin_surface;
+ cairo_surface_t *dest_surface;
+};
+
+enum {
+ PROP_0,
+ PROP_EFFECT,
+ PROP_ORIGIN_SURFACE,
+ PROP_DEST_SURFACE
+};
+
+
+G_DEFINE_TYPE (EvTransitionAnimation, ev_transition_animation, EV_TYPE_TIMELINE)
+
+
+static void
+ev_transition_animation_init (EvTransitionAnimation *animation)
+{
+}
+
+static void
+ev_transition_animation_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvTransitionAnimationPriv *priv;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object);
+
+ switch (prop_id) {
+ case PROP_EFFECT:
+ if (priv->effect)
+ g_object_unref (priv->effect);
+
+ priv->effect = g_value_dup_object (value);
+ break;
+ case PROP_ORIGIN_SURFACE:
+ ev_transition_animation_set_origin_surface (EV_TRANSITION_ANIMATION (object),
+ g_value_get_pointer (value));
+ break;
+ case PROP_DEST_SURFACE:
+ ev_transition_animation_set_dest_surface (EV_TRANSITION_ANIMATION (object),
+ g_value_get_pointer (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_transition_animation_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ EvTransitionAnimationPriv *priv;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object);
+
+ switch (prop_id) {
+ case PROP_EFFECT:
+ g_value_set_object (value, priv->effect);
+ break;
+ case PROP_ORIGIN_SURFACE:
+ g_value_set_pointer (value, priv->origin_surface);
+ break;
+ case PROP_DEST_SURFACE:
+ g_value_set_pointer (value, priv->dest_surface);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static void
+ev_transition_animation_finalize (GObject *object)
+{
+ EvTransitionAnimationPriv *priv;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object);
+
+ if (priv->effect)
+ g_object_unref (priv->effect);
+
+ if (priv->origin_surface)
+ cairo_surface_destroy (priv->origin_surface);
+
+ if (priv->dest_surface)
+ cairo_surface_destroy (priv->dest_surface);
+
+ G_OBJECT_CLASS (ev_transition_animation_parent_class)->finalize (object);
+}
+
+static GObject *
+ev_transition_animation_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ EvTransitionAnimationPriv *priv;
+ EvTransitionEffect *effect;
+ gint duration;
+
+ object = G_OBJECT_CLASS (ev_transition_animation_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (object);
+ effect = priv->effect;
+
+ g_object_get (effect, "duration", &duration, NULL);
+ ev_timeline_set_duration (EV_TIMELINE (object), duration * 1000);
+
+ return object;
+}
+
+static void
+ev_transition_animation_class_init (EvTransitionAnimationClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->set_property = ev_transition_animation_set_property;
+ object_class->get_property = ev_transition_animation_get_property;
+ object_class->finalize = ev_transition_animation_finalize;
+ object_class->constructor = ev_transition_animation_constructor;
+
+ g_object_class_install_property (object_class,
+ PROP_EFFECT,
+ g_param_spec_object ("effect",
+ "Effect",
+ "Transition effect description",
+ EV_TYPE_TRANSITION_EFFECT,
+ G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_ORIGIN_SURFACE,
+ g_param_spec_pointer ("origin-surface",
+ "Origin surface",
+ "Cairo surface from which the animation will happen",
+ G_PARAM_READWRITE));
+ g_object_class_install_property (object_class,
+ PROP_DEST_SURFACE,
+ g_param_spec_pointer ("dest-surface",
+ "Destination surface",
+ "Cairo surface to which the animation will happen",
+ G_PARAM_READWRITE));
+
+ g_type_class_add_private (klass, sizeof (EvTransitionAnimationPriv));
+}
+
+static void
+paint_surface (cairo_t *cr,
+ cairo_surface_t *surface,
+ gdouble x_offset,
+ gdouble y_offset,
+ gdouble alpha,
+ GdkRectangle page_area)
+{
+ cairo_save (cr);
+
+ gdk_cairo_rectangle (cr, &page_area);
+ cairo_clip (cr);
+ cairo_surface_set_device_offset (surface, x_offset, y_offset);
+ cairo_set_source_surface (cr, surface, 0, 0);
+
+ if (alpha == 1.)
+ cairo_paint (cr);
+ else
+ cairo_paint_with_alpha (cr, alpha);
+
+ cairo_restore (cr);
+}
+
+/* animations */
+static void
+ev_transition_animation_split (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ EvTransitionEffectAlignment alignment;
+ EvTransitionEffectDirection direction;
+ gint width, height;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "alignment", &alignment,
+ "direction", &direction,
+ NULL);
+
+ if (direction == EV_TRANSITION_DIRECTION_INWARD) {
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+
+ if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) {
+ cairo_rectangle (cr,
+ 0,
+ height * progress / 2,
+ width,
+ height * (1 - progress));
+ } else {
+ cairo_rectangle (cr,
+ width * progress / 2,
+ 0,
+ width * (1 - progress),
+ height);
+ }
+
+ cairo_clip (cr);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+ } else {
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+
+ if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) {
+ cairo_rectangle (cr,
+ 0,
+ (height / 2) - (height * progress / 2),
+ width,
+ height * progress);
+ } else {
+ cairo_rectangle (cr,
+ (width / 2) - (width * progress / 2),
+ 0,
+ width * progress,
+ height);
+ }
+
+ cairo_clip (cr);
+
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ }
+}
+
+static void
+ev_transition_animation_blinds (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ EvTransitionEffectAlignment alignment;
+ gint width, height, i;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "alignment", &alignment,
+ NULL);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+
+ for (i = 0; i < N_BLINDS; i++) {
+ cairo_save (cr);
+
+ if (alignment == EV_TRANSITION_ALIGNMENT_HORIZONTAL) {
+ cairo_rectangle (cr,
+ 0,
+ height / N_BLINDS * i,
+ width,
+ height / N_BLINDS * progress);
+ } else {
+ cairo_rectangle (cr,
+ width / N_BLINDS * i,
+ 0,
+ width / N_BLINDS * progress,
+ height);
+ }
+
+ cairo_clip (cr);
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ cairo_restore (cr);
+ }
+}
+
+static void
+ev_transition_animation_box (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ EvTransitionEffectDirection direction;
+ gint width, height;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "direction", &direction,
+ NULL);
+
+ if (direction == EV_TRANSITION_DIRECTION_INWARD) {
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+
+ cairo_rectangle (cr,
+ width * progress / 2,
+ height * progress / 2,
+ width * (1 - progress),
+ height * (1 - progress));
+ cairo_clip (cr);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+ } else {
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+
+ cairo_rectangle (cr,
+ (width / 2) - (width * progress / 2),
+ (height / 2) - (height * progress / 2),
+ width * progress,
+ height * progress);
+ cairo_clip (cr);
+
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ }
+}
+
+static void
+ev_transition_animation_wipe (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ gint width, height;
+ gint angle;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "angle", &angle,
+ NULL);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+
+ if (angle == 0) {
+ /* left to right */
+ cairo_rectangle (cr,
+ 0, 0,
+ width * progress,
+ height);
+ } else if (angle <= 90) {
+ /* bottom to top */
+ cairo_rectangle (cr,
+ 0,
+ height * (1 - progress),
+ width,
+ height * progress);
+ } else if (angle <= 180) {
+ /* right to left */
+ cairo_rectangle (cr,
+ width * (1 - progress),
+ 0,
+ width * progress,
+ height);
+ } else if (angle <= 270) {
+ /* top to bottom */
+ cairo_rectangle (cr,
+ 0, 0,
+ width,
+ height * progress);
+ }
+
+ cairo_clip (cr);
+
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+}
+
+static void
+ev_transition_animation_dissolve (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ paint_surface (cr, priv->origin_surface, 0, 0, 1 - progress, page_area);
+}
+
+static void
+ev_transition_animation_push (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ gint width, height;
+ gint angle;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "angle", &angle,
+ NULL);
+
+ if (angle == 0) {
+ /* left to right */
+ paint_surface (cr, priv->origin_surface, - (width * progress), 0, 1., page_area);
+ paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 1., page_area);
+ } else {
+ /* top to bottom */
+ paint_surface (cr, priv->origin_surface, 0, - (height * progress), 1., page_area);
+ paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 1., page_area);
+ }
+}
+
+static void
+ev_transition_animation_cover (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ gint width, height;
+ gint angle;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "angle", &angle,
+ NULL);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+
+ if (angle == 0) {
+ /* left to right */
+ paint_surface (cr, priv->dest_surface, width * (1 - progress), 0, 1., page_area);
+ } else {
+ /* top to bottom */
+ paint_surface (cr, priv->dest_surface, 0, height * (1 - progress), 1., page_area);
+ }
+}
+
+static void
+ev_transition_animation_uncover (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ gint width, height;
+ gint angle;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+ width = page_area.width;
+ height = page_area.height;
+
+ g_object_get (effect,
+ "angle", &angle,
+ NULL);
+
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+
+ if (angle == 0) {
+ /* left to right */
+ paint_surface (cr, priv->origin_surface, - (width * progress), 0, 1., page_area);
+ } else {
+ /* top to bottom */
+ paint_surface (cr, priv->origin_surface, 0, - (height * progress), 1., page_area);
+ }
+}
+
+static void
+ev_transition_animation_fade (cairo_t *cr,
+ EvTransitionAnimation *animation,
+ EvTransitionEffect *effect,
+ gdouble progress,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+ paint_surface (cr, priv->dest_surface, 0, 0, progress, page_area);
+}
+
+void
+ev_transition_animation_paint (EvTransitionAnimation *animation,
+ cairo_t *cr,
+ GdkRectangle page_area)
+{
+ EvTransitionAnimationPriv *priv;
+ EvTransitionEffectType type;
+ gdouble progress;
+
+ g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ if (!priv->dest_surface) {
+ /* animation is still not ready, paint the origin surface */
+ paint_surface (cr, priv->origin_surface, 0, 0, 1., page_area);
+ return;
+ }
+
+ g_object_get (priv->effect, "type", &type, NULL);
+ progress = ev_timeline_get_progress (EV_TIMELINE (animation));
+
+ switch (type) {
+ case EV_TRANSITION_EFFECT_REPLACE:
+ /* just paint the destination slide */
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ break;
+ case EV_TRANSITION_EFFECT_SPLIT:
+ ev_transition_animation_split (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_BLINDS:
+ ev_transition_animation_blinds (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_BOX:
+ ev_transition_animation_box (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_WIPE:
+ ev_transition_animation_wipe (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_DISSOLVE:
+ ev_transition_animation_dissolve (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_PUSH:
+ ev_transition_animation_push (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_COVER:
+ ev_transition_animation_cover (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_UNCOVER:
+ ev_transition_animation_uncover (cr, animation, priv->effect, progress, page_area);
+ break;
+ case EV_TRANSITION_EFFECT_FADE:
+ ev_transition_animation_fade (cr, animation, priv->effect, progress, page_area);
+ break;
+ default: {
+ GEnumValue *enum_value;
+
+ enum_value = g_enum_get_value (g_type_class_peek (EV_TYPE_TRANSITION_EFFECT_TYPE), type);
+
+ g_warning ("Unimplemented transition animation: '%s', "
+ "please post a bug report in Evince bugzilla "
+ "(http://bugzilla.mate.org) with a testcase.",
+ enum_value->value_nick);
+
+ /* just paint the destination slide */
+ paint_surface (cr, priv->dest_surface, 0, 0, 1., page_area);
+ }
+ }
+}
+
+EvTransitionAnimation *
+ev_transition_animation_new (EvTransitionEffect *effect)
+{
+ g_return_val_if_fail (EV_IS_TRANSITION_EFFECT (effect), NULL);
+
+ return g_object_new (EV_TYPE_TRANSITION_ANIMATION,
+ "effect", effect,
+ NULL);
+}
+
+void
+ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation,
+ cairo_surface_t *origin_surface)
+{
+ EvTransitionAnimationPriv *priv;
+ cairo_surface_t *surface;
+
+ g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ if (priv->origin_surface == origin_surface)
+ return;
+
+ surface = cairo_surface_reference (origin_surface);
+
+ if (priv->origin_surface)
+ cairo_surface_destroy (priv->origin_surface);
+
+ priv->origin_surface = surface;
+ g_object_notify (G_OBJECT (animation), "origin-surface");
+
+ if (priv->origin_surface && priv->dest_surface)
+ ev_timeline_start (EV_TIMELINE (animation));
+}
+
+void
+ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation,
+ cairo_surface_t *dest_surface)
+{
+ EvTransitionAnimationPriv *priv;
+ cairo_surface_t *surface;
+
+ g_return_if_fail (EV_IS_TRANSITION_ANIMATION (animation));
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ if (priv->dest_surface == dest_surface)
+ return;
+
+ surface = cairo_surface_reference (dest_surface);
+
+ if (priv->dest_surface)
+ cairo_surface_destroy (priv->dest_surface);
+
+ priv->dest_surface = surface;
+ g_object_notify (G_OBJECT (animation), "dest-surface");
+
+ if (priv->origin_surface && priv->dest_surface)
+ ev_timeline_start (EV_TIMELINE (animation));
+}
+
+gboolean
+ev_transition_animation_ready (EvTransitionAnimation *animation)
+{
+ EvTransitionAnimationPriv *priv;
+
+ g_return_val_if_fail (EV_IS_TRANSITION_ANIMATION (animation), FALSE);
+
+ priv = EV_TRANSITION_ANIMATION_GET_PRIVATE (animation);
+
+ return (priv->origin_surface != NULL);
+}
diff --git a/libview/ev-transition-animation.h b/libview/ev-transition-animation.h
new file mode 100644
index 00000000..3d17f28d
--- /dev/null
+++ b/libview/ev-transition-animation.h
@@ -0,0 +1,73 @@
+/* ev-transition-animation.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2007 Carlos Garnacho <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (EVINCE_COMPILATION)
+#error "This is a private header."
+#endif
+
+#ifndef __EV_TRANSITION_ANIMATION_H__
+#define __EV_TRANSITION_ANIMATION_H__
+
+#include <evince-document.h>
+#include "ev-timeline.h"
+#include "ev-transition-effect.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_TRANSITION_ANIMATION (ev_transition_animation_get_type ())
+#define EV_TRANSITION_ANIMATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimation))
+#define EV_TRANSITION_ANIMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))
+#define EV_IS_TRANSITION_ANIMATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_TRANSITION_ANIMATION))
+#define EV_IS_TRANSITION_ANIMATION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_TRANSITION_ANIMATION))
+#define EV_TRANSITION_ANIMATION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_TRANSITION_ANIMATION, EvTransitionAnimationClass))
+
+typedef struct EvTransitionAnimation EvTransitionAnimation;
+typedef struct EvTransitionAnimationClass EvTransitionAnimationClass;
+
+struct EvTransitionAnimation {
+ EvTimeline parent_instance;
+};
+
+struct EvTransitionAnimationClass {
+ EvTimelineClass parent_class;
+};
+
+
+GType ev_transition_animation_get_type (void) G_GNUC_CONST;
+
+EvTransitionAnimation * ev_transition_animation_new (EvTransitionEffect *effect);
+
+void ev_transition_animation_set_origin_surface (EvTransitionAnimation *animation,
+ cairo_surface_t *origin_surface);
+void ev_transition_animation_set_dest_surface (EvTransitionAnimation *animation,
+ cairo_surface_t *origin_surface);
+gint ev_transition_animation_get_page_from (EvTransitionAnimation *animation);
+gint ev_transition_animation_get_page_to (EvTransitionAnimation *animation);
+
+void ev_transition_animation_paint (EvTransitionAnimation *animation,
+ cairo_t *cr,
+ GdkRectangle page_area);
+gboolean ev_transition_animation_ready (EvTransitionAnimation *animation);
+
+
+G_END_DECLS
+
+#endif /* __EV_TRANSITION_ANIMATION_H__ */
diff --git a/libview/ev-view-accessible.c b/libview/ev-view-accessible.c
new file mode 100644
index 00000000..9b41c919
--- /dev/null
+++ b/libview/ev-view-accessible.c
@@ -0,0 +1,911 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <math.h>
+#include <config.h>
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+#include <libgail-util/gail-util.h>
+
+#include "ev-selection.h"
+#include "ev-page-cache.h"
+#include "ev-view-accessible.h"
+#include "ev-view-private.h"
+
+#define EV_TYPE_VIEW_ACCESSIBLE (ev_view_accessible_get_type ())
+#define EV_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW_ACCESSIBLE, EvViewAccessible))
+#define EV_IS_VIEW_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW_ACCESSIBLE))
+
+static GType ev_view_accessible_get_type (void);
+
+enum {
+ ACTION_SCROLL_UP,
+ ACTION_SCROLL_DOWN,
+ LAST_ACTION
+};
+
+static const gchar *const ev_view_accessible_action_names[] =
+{
+ N_("Scroll Up"),
+ N_("Scroll Down"),
+ NULL
+};
+
+static const gchar *const ev_view_accessible_action_descriptions[] =
+{
+ N_("Scroll View Up"),
+ N_("Scroll View Down"),
+ NULL
+};
+
+typedef struct {
+ /* Action */
+ gchar *action_descriptions[LAST_ACTION];
+ guint action_idle_handler;
+ GtkScrollType idle_scroll;
+ GtkTextBuffer *buffer;
+ guint current_page;
+} EvViewAccessiblePriv;
+
+typedef GtkAccessibleClass EvViewAccessibleClass;
+typedef GtkAccessible EvViewAccessible;
+
+#define EV_VIEW_ACCESSIBLE_GET_PRIVATE(inst) (G_TYPE_INSTANCE_GET_PRIVATE ((inst), EV_TYPE_VIEW_ACCESSIBLE, EvViewAccessiblePriv))
+
+static void
+ev_view_accessible_finalize (GObject *object)
+{
+ EvViewAccessiblePriv *priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (object);
+ int i;
+
+ if (priv->action_idle_handler)
+ g_source_remove (priv->action_idle_handler);
+ for (i = 0; i < LAST_ACTION; i++)
+ g_free (priv->action_descriptions [i]);
+ if (priv->buffer)
+ g_object_unref (priv->buffer);
+
+}
+
+static void ev_view_accessible_class_init (EvViewAccessibleClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = ev_view_accessible_finalize;
+
+ g_type_class_add_private (klass, sizeof (EvViewAccessiblePriv));
+}
+
+static GtkTextBuffer *
+ev_view_accessible_get_text_buffer (EvViewAccessible *accessible, EvView *view)
+{
+ EvPageCache *page_cache;
+ const gchar *retval = NULL;
+ EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (accessible);
+
+ page_cache = view->page_cache;
+ if (!page_cache) {
+ return NULL;
+ }
+
+ if (view->current_page == priv->current_page && priv->buffer) {
+ return priv->buffer;
+ }
+
+ priv->current_page = view->current_page;
+
+ if (!priv->buffer) {
+ priv->buffer = gtk_text_buffer_new (NULL);
+ }
+
+ retval = ev_page_cache_get_text (page_cache, view->current_page);
+ gtk_text_buffer_set_text (priv->buffer, retval, -1);
+
+ return priv->buffer;
+}
+
+static gchar*
+ev_view_accessible_get_text (AtkText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkWidget *widget;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ gchar *retval;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
+ gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
+ retval = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+
+ return retval;
+}
+
+static gunichar
+ev_view_accessible_get_character_at_offset (AtkText *text,
+ gint offset)
+{
+ GtkWidget *widget;
+ GtkTextIter start, end;
+ GtkTextBuffer *buffer;
+ gchar *string;
+ gunichar unichar;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return '\0';
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return '\0';
+
+ if (offset >= gtk_text_buffer_get_char_count (buffer))
+ return '\0';
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
+ end = start;
+ gtk_text_iter_forward_char (&end);
+ string = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
+ unichar = g_utf8_get_char (string);
+ g_free(string);
+
+ return unichar;
+}
+
+static gchar*
+ev_view_accessible_get_text_before_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkWidget *widget;
+ gpointer layout = NULL;
+ GailTextUtil *gail_text = NULL;
+ gchar *retval = NULL;
+ GtkTextBuffer *buffer;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ gail_text = gail_text_util_new ();
+ gail_text_util_buffer_setup (gail_text, buffer);
+ retval = gail_text_util_get_text (gail_text, layout,
+ GAIL_BEFORE_OFFSET, boundary_type,
+ offset, start_offset, end_offset);
+ g_object_unref (gail_text);
+
+ return retval;
+}
+
+static gchar*
+ev_view_accessible_get_text_at_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkWidget *widget;
+ gpointer layout = NULL;
+ GailTextUtil *gail_text = NULL;
+ gchar *retval = NULL;
+ GtkTextBuffer *buffer;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ gail_text = gail_text_util_new ();
+ gail_text_util_buffer_setup (gail_text, buffer);
+ retval = gail_text_util_get_text (gail_text, layout,
+ GAIL_AT_OFFSET, boundary_type,
+ offset, start_offset, end_offset);
+ g_object_unref (gail_text);
+
+ return retval;
+}
+
+static gchar*
+ev_view_accessible_get_text_after_offset (AtkText *text,
+ gint offset,
+ AtkTextBoundary boundary_type,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkWidget *widget;
+ gpointer layout = NULL;
+ GailTextUtil *gail_text = NULL;
+ gchar *retval = NULL;
+ GtkTextBuffer *buffer;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ gail_text = gail_text_util_new ();
+ gail_text_util_buffer_setup (gail_text, buffer);
+ retval = gail_text_util_get_text (gail_text, layout,
+ GAIL_AFTER_OFFSET, boundary_type,
+ offset, start_offset, end_offset);
+ g_object_unref (gail_text);
+
+ return retval;
+}
+
+static gint
+ev_view_accessible_get_character_count (AtkText *text)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ gint retval;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return 0;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return 0;
+
+ retval = gtk_text_buffer_get_char_count (buffer);
+
+ return retval;
+}
+
+static gint
+ev_view_accessible_get_caret_offset (AtkText *text)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextMark *cursor_mark;
+ GtkTextIter cursor_itr;
+ gint retval;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return 0;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return 0;
+
+ cursor_mark = gtk_text_buffer_get_insert (buffer);
+ gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
+ retval = gtk_text_iter_get_offset (&cursor_itr);
+
+ return retval;
+}
+
+static gboolean
+ev_view_accessible_set_caret_offset (AtkText *text, gint offset)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextIter pos_itr;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return FALSE;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return FALSE;
+
+ gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, offset);
+ gtk_text_buffer_place_cursor (buffer, &pos_itr);
+
+ return TRUE;
+}
+
+static AtkAttributeSet*
+ev_view_accessible_get_run_attributes (AtkText *text,
+ gint offset,
+ gint *start_offset,
+ gint *end_offset)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ AtkAttributeSet *retval;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ retval = gail_misc_buffer_get_run_attributes (buffer, offset,
+ start_offset, end_offset);
+
+ return retval;
+}
+
+static AtkAttributeSet*
+ev_view_accessible_get_default_attributes (AtkText *text)
+{
+ GtkWidget *widget;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+ return NULL;
+}
+
+static void
+ev_view_accessible_get_character_extents (AtkText *text,
+ gint offset,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height,
+ AtkCoordType coords)
+{
+ GtkWidget *widget, *toplevel;
+ EvRectangle *areas = NULL;
+ EvRectangle *rect = NULL;
+ guint n_areas = 0;
+ EvPageCache *page_cache;
+ gint x_widget, y_widget, x_window, y_window;
+ gdouble scale;
+ GtkBorder border;
+ GdkRectangle page_area;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return;
+
+ page_cache = EV_VIEW (widget)->page_cache;
+ if (!page_cache)
+ return;
+
+ ev_view_get_page_extents (EV_VIEW (widget), EV_VIEW (widget)->current_page,
+ &page_area, &border);
+
+ scale = EV_VIEW (widget)->scale;
+ ev_page_cache_get_text_layout (page_cache, EV_VIEW (widget)->current_page, &areas, &n_areas);
+ if (!areas)
+ return;
+
+ if (offset > n_areas)
+ return;
+
+ rect = areas + offset;
+ *x = (int)(rect->x1 * scale);
+ *y = (int)(rect->y1 * scale);
+
+ *width = (int)(fabs (rect->x2 - rect->x1) * scale);
+ *height = (int)(fabs (rect->y2 - rect->y1) * scale);
+
+ toplevel = gtk_widget_get_toplevel (widget);
+ gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
+ *x += x_widget;
+ *y += y_widget;
+
+ if (coords == ATK_XY_SCREEN) {
+ gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
+ *x += x_window;
+ *y += y_window;
+ }
+
+ *x -= EV_VIEW (widget)->scroll_x;
+ *y -= EV_VIEW (widget)->scroll_y;
+
+ *x += page_area.x;
+ *y += page_area.y;
+}
+
+static gint
+ev_view_accessible_get_offset_at_point (AtkText *text,
+ gint x,
+ gint y,
+ AtkCoordType coords)
+{
+ GtkWidget *widget, *toplevel;
+ EvRectangle *areas = NULL;
+ EvRectangle *rect = NULL;
+ guint n_areas = 0;
+ guint i = 0;
+ EvPageCache *page_cache;
+ gint x_window, y_window, x_widget, y_widget;
+ gint offset=-1, rx, ry;
+ gdouble scale;
+ GtkBorder border;
+ GdkRectangle page_area;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return -1;
+
+ page_cache = EV_VIEW (widget)->page_cache;
+ if (!page_cache)
+ return -1;
+
+ ev_view_get_page_extents (EV_VIEW (widget), EV_VIEW (widget)->current_page,
+ &page_area, &border);
+
+ scale = EV_VIEW (widget)->scale;
+ ev_page_cache_get_text_layout (page_cache, EV_VIEW (widget)->current_page, &areas, &n_areas);
+ if (!areas)
+ return -1;
+
+ rx = x;
+ ry = y;
+
+ rx -= page_area.x;
+ ry -= page_area.y;
+
+ rx += EV_VIEW (widget)->scroll_x;
+ ry += EV_VIEW (widget)->scroll_y;
+
+ toplevel = gtk_widget_get_toplevel (widget);
+ gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
+ rx -= x_widget;
+ ry -= y_widget;
+
+ if (coords == ATK_XY_SCREEN) {
+ gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
+ rx -= x_window;
+ ry -= y_window;
+ }
+
+ rx /= scale;
+ ry /= scale;
+
+ for (i = 0; i < n_areas; i++) {
+ rect = areas + i;
+ if (rx >= rect->x1 && rx <= rect->x2 &&
+ ry >= rect->y1 && ry <= rect->y2)
+ offset = i;
+ }
+
+ return offset;
+}
+
+static gint
+ev_view_accessible_get_n_selections (AtkText *text)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextIter start, end;
+ gint select_start, select_end;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return -1;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return -1;
+
+ gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
+ select_start = gtk_text_iter_get_offset (&start);
+ select_end = gtk_text_iter_get_offset (&end);
+
+ if (select_start != select_end)
+ return 1;
+ else
+ return 0;
+}
+
+static gchar*
+ev_view_accessible_get_selection (AtkText *text,
+ gint selection_num,
+ gint *start_pos,
+ gint *end_pos)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextIter start, end;
+ gchar *retval = NULL;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return NULL;
+
+ if (selection_num != 0)
+ return NULL;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return NULL;
+
+ gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
+ *start_pos = gtk_text_iter_get_offset (&start);
+ *end_pos = gtk_text_iter_get_offset (&end);
+
+ if (*start_pos != *end_pos)
+ retval = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
+
+ return retval;
+}
+
+static gboolean
+ev_view_accessible_add_selection (AtkText *text,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextIter pos_itr;
+ GtkTextIter start, end;
+ gint select_start, select_end;
+ gboolean retval = FALSE;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return FALSE;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return FALSE;
+
+ gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
+ select_start = gtk_text_iter_get_offset (&start);
+ select_end = gtk_text_iter_get_offset (&end);
+
+ /* If there is already a selection, then don't allow
+ * another to be added
+ */
+ if (select_start == select_end) {
+ gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, start_pos);
+ gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &pos_itr);
+ gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, end_pos);
+ gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr);
+
+ retval = TRUE;
+ }
+
+ return retval;
+}
+
+static gboolean
+ev_view_accessible_remove_selection (AtkText *text,
+ gint selection_num)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextMark *cursor_mark;
+ GtkTextIter cursor_itr;
+ GtkTextIter start, end;
+ gint select_start, select_end;
+ gboolean retval = FALSE;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return FALSE;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return FALSE;
+
+ gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
+ select_start = gtk_text_iter_get_offset(&start);
+ select_end = gtk_text_iter_get_offset(&end);
+
+ if (select_start != select_end) {
+ /* Setting the start & end of the selected region
+ * to the caret position turns off the selection.
+ */
+ cursor_mark = gtk_text_buffer_get_insert (buffer);
+ gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
+ gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &cursor_itr);
+
+ retval = TRUE;
+ }
+
+ return retval;
+}
+
+static gboolean
+ev_view_accessible_set_selection (AtkText *text,
+ gint selection_num,
+ gint start_pos,
+ gint end_pos)
+{
+ GtkWidget *widget;
+ GtkTextBuffer *buffer;
+ GtkTextIter pos_itr;
+ GtkTextIter start, end;
+ gint select_start, select_end;
+ gboolean retval = FALSE;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
+ if (widget == NULL)
+ /* State is defunct */
+ return FALSE;
+
+ buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
+ if (!buffer)
+ return FALSE;
+
+ gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
+ select_start = gtk_text_iter_get_offset(&start);
+ select_end = gtk_text_iter_get_offset(&end);
+
+ if (select_start != select_end) {
+ gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, start_pos);
+ gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &pos_itr);
+ gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, end_pos);
+ gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr);
+
+ retval = TRUE;
+ }
+
+ return retval;
+}
+
+static void ev_view_accessible_text_iface_init (AtkTextIface * iface)
+{
+ g_return_if_fail (iface != NULL);
+
+ iface->get_text = ev_view_accessible_get_text;
+ iface->get_character_at_offset = ev_view_accessible_get_character_at_offset;
+ iface->get_text_before_offset = ev_view_accessible_get_text_before_offset;
+ iface->get_text_at_offset = ev_view_accessible_get_text_at_offset;
+ iface->get_text_after_offset = ev_view_accessible_get_text_after_offset;
+ iface->get_caret_offset = ev_view_accessible_get_caret_offset;
+ iface->set_caret_offset = ev_view_accessible_set_caret_offset;
+ iface->get_character_count = ev_view_accessible_get_character_count;
+ iface->get_n_selections = ev_view_accessible_get_n_selections;
+ iface->get_selection = ev_view_accessible_get_selection;
+ iface->add_selection = ev_view_accessible_add_selection;
+ iface->remove_selection = ev_view_accessible_remove_selection;
+ iface->set_selection = ev_view_accessible_set_selection;
+ iface->get_run_attributes = ev_view_accessible_get_run_attributes;
+ iface->get_default_attributes = ev_view_accessible_get_default_attributes;
+ iface->get_character_extents = ev_view_accessible_get_character_extents;
+ iface->get_offset_at_point = ev_view_accessible_get_offset_at_point;
+ return;
+}
+
+static gboolean
+ev_view_accessible_idle_do_action (gpointer data)
+{
+ EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (data);
+
+ ev_view_scroll (EV_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (data))),
+ priv->idle_scroll,
+ FALSE);
+ priv->action_idle_handler = 0;
+ return FALSE;
+}
+
+static gboolean
+ev_view_accessible_action_do_action (AtkAction *action,
+ gint i)
+{
+ EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action);
+
+ if (gtk_accessible_get_widget (GTK_ACCESSIBLE (action)) == NULL)
+ return FALSE;
+
+ if (priv->action_idle_handler)
+ return FALSE;
+
+ switch (i) {
+ case ACTION_SCROLL_UP:
+ priv->idle_scroll = GTK_SCROLL_PAGE_BACKWARD;
+ break;
+ case ACTION_SCROLL_DOWN:
+ priv->idle_scroll = GTK_SCROLL_PAGE_FORWARD;
+ break;
+ default:
+ return FALSE;
+ }
+ priv->action_idle_handler = g_idle_add (ev_view_accessible_idle_do_action,
+ action);
+ return TRUE;
+}
+
+static gint
+ev_view_accessible_action_get_n_actions (AtkAction *action)
+{
+ return LAST_ACTION;
+}
+
+static const gchar *
+ev_view_accessible_action_get_description (AtkAction *action,
+ gint i)
+{
+ EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action);
+
+ if (i < 0 || i >= LAST_ACTION)
+ return NULL;
+
+ if (priv->action_descriptions[i])
+ return priv->action_descriptions[i];
+ else
+ return ev_view_accessible_action_descriptions[i];
+}
+
+static const gchar *
+ev_view_accessible_action_get_name (AtkAction *action,
+ gint i)
+{
+ if (i < 0 || i >= LAST_ACTION)
+ return NULL;
+
+ return ev_view_accessible_action_names[i];
+}
+
+static gboolean
+ev_view_accessible_action_set_description (AtkAction *action,
+ gint i,
+ const gchar *description)
+{
+ EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (action);
+ gchar *old_description;
+
+ if (i < 0 || i >= LAST_ACTION)
+ return FALSE;
+
+ old_description = priv->action_descriptions[i];
+ priv->action_descriptions[i] = g_strdup (description);
+ g_free (old_description);
+
+ return TRUE;
+}
+
+static void ev_view_accessible_action_iface_init (AtkActionIface * iface)
+{
+ iface->do_action = ev_view_accessible_action_do_action;
+ iface->get_n_actions = ev_view_accessible_action_get_n_actions;
+ iface->get_description = ev_view_accessible_action_get_description;
+ iface->get_name = ev_view_accessible_action_get_name;
+ iface->set_description = ev_view_accessible_action_set_description;
+}
+
+GType ev_view_accessible_get_type (void)
+{
+ static GType type = 0;
+
+ if (G_UNLIKELY (type == 0)) {
+ GTypeInfo tinfo = {
+ 0, /* class size */
+ (GBaseInitFunc) NULL, /* base init */
+ (GBaseFinalizeFunc) NULL, /* base finalize */
+ (GClassInitFunc) ev_view_accessible_class_init, /* class init */
+ (GClassFinalizeFunc) NULL, /* class finalize */
+ NULL, /* class data */
+ 0, /* instance size */
+ 0, /* nb preallocs */
+ (GInstanceInitFunc) NULL, /* instance init */
+ NULL /* value table */
+ };
+
+ const GInterfaceInfo atk_text_info = {
+ (GInterfaceInitFunc)
+ ev_view_accessible_text_iface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ const GInterfaceInfo atk_action_info = {
+ (GInterfaceInitFunc)
+ ev_view_accessible_action_iface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+ /*
+ * Figure out the size of the class and instance
+ * we are deriving from
+ */
+ AtkObjectFactory *factory;
+ GType derived_type;
+ GTypeQuery query;
+ GType derived_atk_type;
+
+ derived_type = g_type_parent (EV_TYPE_VIEW);
+ factory = atk_registry_get_factory (atk_get_default_registry (),
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+
+ g_type_query (derived_atk_type, &query);
+ tinfo.class_size = query.class_size;
+ tinfo.instance_size = query.instance_size;
+
+ type = g_type_register_static (derived_atk_type, "EvViewAccessible",
+ &tinfo, 0);
+ g_type_add_interface_static (type, ATK_TYPE_TEXT,
+ &atk_text_info);
+ g_type_add_interface_static (type, ATK_TYPE_ACTION,
+ &atk_action_info);
+ }
+
+ return type;
+}
+
+static AtkObject *ev_view_accessible_new(GObject * obj)
+{
+ AtkObject *accessible;
+
+ g_return_val_if_fail(EV_IS_VIEW (obj), NULL);
+
+ accessible = g_object_new (ev_view_accessible_get_type (), NULL);
+ atk_object_initialize (accessible, obj);
+
+ atk_object_set_name (ATK_OBJECT (accessible), _("Document View"));
+ atk_object_set_role (ATK_OBJECT (accessible), ATK_ROLE_UNKNOWN);
+
+ return accessible;
+}
+
+typedef AtkObjectFactory EvViewAccessibleFactory;
+typedef AtkObjectFactoryClass EvViewAccessibleFactoryClass;
+
+static void ev_view_accessible_factory_init (EvViewAccessibleFactory *factory)
+{
+}
+
+static GType ev_view_accessible_factory_get_accessible_type(void)
+{
+ return ev_view_accessible_get_type();
+}
+
+static AtkObject *ev_view_accessible_factory_create_accessible (GObject * obj)
+{
+ return ev_view_accessible_new(obj);
+}
+
+static void ev_view_accessible_factory_class_init (AtkObjectFactoryClass * klass)
+{
+ klass->create_accessible = ev_view_accessible_factory_create_accessible;
+ klass->get_accessible_type = ev_view_accessible_factory_get_accessible_type;
+}
+
+G_DEFINE_TYPE (EvViewAccessibleFactory, ev_view_accessible_factory, ATK_TYPE_OBJECT_FACTORY)
diff --git a/libview/ev-view-accessible.h b/libview/ev-view-accessible.h
new file mode 100644
index 00000000..9ec7ed27
--- /dev/null
+++ b/libview/ev-view-accessible.h
@@ -0,0 +1,33 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (EVINCE_COMPILATION)
+#error "This is a private header."
+#endif
+
+#ifndef __EV_VIEW_ACCESSIBLE_H__
+#define __EV_VIEW_ACCESSIBLE_H__
+
+#include "ev-view.h"
+
+GType ev_view_accessible_factory_get_type (void);
+
+#endif /* __EV_VIEW_ACCESSIBLE_H__ */
+
diff --git a/libview/ev-view-cursor.c b/libview/ev-view-cursor.c
new file mode 100644
index 00000000..930e1f8e
--- /dev/null
+++ b/libview/ev-view-cursor.c
@@ -0,0 +1,55 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "ev-view-cursor.h"
+
+GdkCursor *
+ev_view_cursor_new (GdkDisplay *display,
+ EvViewCursor new_cursor)
+{
+ GdkCursor *cursor = NULL;
+
+ switch (new_cursor) {
+ case EV_VIEW_CURSOR_NORMAL:
+ break;
+ case EV_VIEW_CURSOR_IBEAM:
+ cursor = gdk_cursor_new_for_display (display, GDK_XTERM);
+ break;
+ case EV_VIEW_CURSOR_LINK:
+ cursor = gdk_cursor_new_for_display (display, GDK_HAND2);
+ break;
+ case EV_VIEW_CURSOR_WAIT:
+ cursor = gdk_cursor_new_for_display (display, GDK_WATCH);
+ break;
+ case EV_VIEW_CURSOR_HIDDEN:
+ cursor = gdk_cursor_new_for_display (display, GDK_BLANK_CURSOR);
+ break;
+ case EV_VIEW_CURSOR_DRAG:
+ cursor = gdk_cursor_new_for_display (display, GDK_FLEUR);
+ break;
+ case EV_VIEW_CURSOR_AUTOSCROLL:
+ cursor = gdk_cursor_new_for_display (display, GDK_DOUBLE_ARROW);
+ break;
+ case EV_VIEW_CURSOR_ADD:
+ cursor = gdk_cursor_new_for_display (display, GDK_PLUS);
+ break;
+ }
+
+ return cursor;
+}
diff --git a/libview/ev-view-cursor.h b/libview/ev-view-cursor.h
new file mode 100644
index 00000000..9d5e8e53
--- /dev/null
+++ b/libview/ev-view-cursor.h
@@ -0,0 +1,47 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_VIEW_CURSOR_H__
+#define __EV_VIEW_CURSOR_H__
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+typedef enum {
+ EV_VIEW_CURSOR_NORMAL,
+ EV_VIEW_CURSOR_IBEAM,
+ EV_VIEW_CURSOR_LINK,
+ EV_VIEW_CURSOR_WAIT,
+ EV_VIEW_CURSOR_HIDDEN,
+ EV_VIEW_CURSOR_DRAG,
+ EV_VIEW_CURSOR_AUTOSCROLL,
+ EV_VIEW_CURSOR_ADD
+} EvViewCursor;
+
+GdkCursor *ev_view_cursor_new (GdkDisplay *display,
+ EvViewCursor cursor);
+
+G_END_DECLS
+
+#endif /* __EV_VIEW_CURSOR_H__ */
diff --git a/libview/ev-view-marshal.list b/libview/ev-view-marshal.list
new file mode 100644
index 00000000..d7b0e75e
--- /dev/null
+++ b/libview/ev-view-marshal.list
@@ -0,0 +1,2 @@
+VOID:ENUM,BOOLEAN
+VOID:INT,INT
diff --git a/libview/ev-view-presentation.c b/libview/ev-view-presentation.c
new file mode 100644
index 00000000..31556fa2
--- /dev/null
+++ b/libview/ev-view-presentation.c
@@ -0,0 +1,1498 @@
+/* ev-view-presentation.c
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <glib/gi18n-lib.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "ev-view-presentation.h"
+#include "ev-jobs.h"
+#include "ev-job-scheduler.h"
+#include "ev-transition-animation.h"
+#include "ev-view-cursor.h"
+#include "ev-page-cache.h"
+
+enum {
+ PROP_0,
+ PROP_DOCUMENT,
+ PROP_CURRENT_PAGE,
+ PROP_ROTATION,
+ PROP_INVERTED_COLORS
+};
+
+enum {
+ CHANGE_PAGE,
+ FINISHED,
+ N_SIGNALS
+};
+
+typedef enum {
+ EV_PRESENTATION_NORMAL,
+ EV_PRESENTATION_BLACK,
+ EV_PRESENTATION_WHITE,
+ EV_PRESENTATION_END
+} EvPresentationState;
+
+struct _EvViewPresentation
+{
+ GtkWidget base;
+
+ guint current_page;
+ cairo_surface_t *current_surface;
+ EvDocument *document;
+ guint rotation;
+ gboolean inverted_colors;
+ EvPresentationState state;
+ gdouble scale;
+ gint monitor_width;
+ gint monitor_height;
+
+ /* Cursors */
+ EvViewCursor cursor;
+ guint hide_cursor_timeout_id;
+
+ /* Goto Window */
+ GtkWidget *goto_window;
+ GtkWidget *goto_entry;
+
+ /* Page Transition */
+ guint trans_timeout_id;
+
+ /* Animations */
+ gboolean enable_animations;
+ EvTransitionAnimation *animation;
+
+ /* Links */
+ EvPageCache *page_cache;
+
+ EvJob *prev_job;
+ EvJob *curr_job;
+ EvJob *next_job;
+};
+
+struct _EvViewPresentationClass
+{
+ GtkWidgetClass base_class;
+
+ /* signals */
+ void (* change_page) (EvViewPresentation *pview,
+ GtkScrollType scroll);
+ void (* finished) (EvViewPresentation *pview);
+};
+
+static guint signals[N_SIGNALS] = { 0 };
+
+static void ev_view_presentation_next_page (EvViewPresentation *pview);
+static void ev_view_presentation_previous_page (EvViewPresentation *pview);
+static void ev_view_presentation_set_cursor_for_location (EvViewPresentation *pview,
+ gdouble x,
+ gdouble y);
+
+#define HIDE_CURSOR_TIMEOUT 5
+
+G_DEFINE_TYPE (EvViewPresentation, ev_view_presentation, GTK_TYPE_WIDGET)
+
+static void
+ev_view_presentation_set_normal (EvViewPresentation *pview)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+ GtkStyle *style;
+
+ if (pview->state == EV_PRESENTATION_NORMAL)
+ return;
+
+ pview->state = EV_PRESENTATION_NORMAL;
+ style = gtk_widget_get_style (widget);
+ gdk_window_set_background (gtk_widget_get_window (widget), &style->black);
+ gtk_widget_queue_draw (widget);
+}
+
+static void
+ev_view_presentation_set_black (EvViewPresentation *pview)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+ GtkStyle *style;
+
+ if (pview->state == EV_PRESENTATION_BLACK)
+ return;
+
+ pview->state = EV_PRESENTATION_BLACK;
+ style = gtk_widget_get_style (widget);
+ gdk_window_set_background (gtk_widget_get_window (widget), &style->black);
+ gtk_widget_queue_draw (widget);
+}
+
+static void
+ev_view_presentation_set_white (EvViewPresentation *pview)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+ GtkStyle *style;
+
+ if (pview->state == EV_PRESENTATION_WHITE)
+ return;
+
+ pview->state = EV_PRESENTATION_WHITE;
+ style = gtk_widget_get_style (widget);
+ gdk_window_set_background (gtk_widget_get_window (widget), &style->white);
+ gtk_widget_queue_draw (widget);
+}
+
+static void
+ev_view_presentation_set_end (EvViewPresentation *pview)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+
+ if (pview->state == EV_PRESENTATION_END)
+ return;
+
+ pview->state = EV_PRESENTATION_END;
+ gtk_widget_queue_draw (widget);
+}
+
+static gdouble
+ev_view_presentation_get_scale_for_page (EvViewPresentation *pview,
+ guint page)
+{
+ if (!ev_document_is_page_size_uniform (pview->document) || pview->scale == 0) {
+ gdouble width, height;
+
+ ev_document_get_page_size (pview->document, page, &width, &height);
+ if (pview->rotation == 90 || pview->rotation == 270) {
+ gdouble tmp;
+
+ tmp = width;
+ width = height;
+ height = tmp;
+ }
+ pview->scale = MIN (pview->monitor_width / width, pview->monitor_height / height);
+ }
+
+ return pview->scale;
+}
+
+static void
+ev_view_presentation_get_page_area (EvViewPresentation *pview,
+ GdkRectangle *area)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+ GtkAllocation allocation;
+ gdouble doc_width, doc_height;
+ gint view_width, view_height;
+ gdouble scale;
+
+ ev_document_get_page_size (pview->document,
+ pview->current_page,
+ &doc_width, &doc_height);
+ scale = ev_view_presentation_get_scale_for_page (pview, pview->current_page);
+
+ if (pview->rotation == 90 || pview->rotation == 270) {
+ view_width = (gint)((doc_height * scale) + 0.5);
+ view_height = (gint)((doc_width * scale) + 0.5);
+ } else {
+ view_width = (gint)((doc_width * scale) + 0.5);
+ view_height = (gint)((doc_height * scale) + 0.5);
+ }
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ area->x = (MAX (0, allocation.width - view_width)) / 2;
+ area->y = (MAX (0, allocation.height - view_height)) / 2;
+ area->width = view_width;
+ area->height = view_height;
+}
+
+/* Page Transition */
+static gboolean
+transition_next_page (EvViewPresentation *pview)
+{
+ ev_view_presentation_next_page (pview);
+
+ return FALSE;
+}
+
+static void
+ev_view_presentation_transition_stop (EvViewPresentation *pview)
+{
+ if (pview->trans_timeout_id > 0)
+ g_source_remove (pview->trans_timeout_id);
+ pview->trans_timeout_id = 0;
+}
+
+static void
+ev_view_presentation_transition_start (EvViewPresentation *pview)
+{
+ gdouble duration;
+
+ if (!EV_IS_DOCUMENT_TRANSITION (pview->document))
+ return;
+
+ ev_view_presentation_transition_stop (pview);
+
+ duration = ev_document_transition_get_page_duration (EV_DOCUMENT_TRANSITION (pview->document),
+ pview->current_page);
+ if (duration >= 0) {
+ pview->trans_timeout_id =
+ g_timeout_add_seconds (duration,
+ (GSourceFunc) transition_next_page,
+ pview);
+ }
+}
+
+/* Animations */
+static void
+ev_view_presentation_animation_cancel (EvViewPresentation *pview)
+{
+ if (pview->animation) {
+ g_object_unref (pview->animation);
+ pview->animation = NULL;
+ }
+}
+
+static void
+ev_view_presentation_transition_animation_finish (EvViewPresentation *pview)
+{
+ ev_view_presentation_animation_cancel (pview);
+ ev_view_presentation_transition_start (pview);
+ gtk_widget_queue_draw (GTK_WIDGET (pview));
+}
+
+static void
+ev_view_presentation_transition_animation_frame (EvViewPresentation *pview,
+ gdouble progress)
+{
+ gtk_widget_queue_draw (GTK_WIDGET (pview));
+}
+
+static void
+ev_view_presentation_animation_start (EvViewPresentation *pview,
+ gint new_page)
+{
+ EvTransitionEffect *effect = NULL;
+ cairo_surface_t *surface;
+ gint jump;
+
+ if (!pview->enable_animations)
+ return;
+
+ if (pview->current_page == new_page)
+ return;
+
+ effect = ev_document_transition_get_effect (EV_DOCUMENT_TRANSITION (pview->document),
+ new_page);
+ if (!effect)
+ return;
+
+ pview->animation = ev_transition_animation_new (effect);
+
+ surface = pview->curr_job ? EV_JOB_RENDER (pview->curr_job)->surface : NULL;
+ ev_transition_animation_set_origin_surface (pview->animation,
+ surface != NULL ?
+ surface : pview->current_surface);
+
+ jump = new_page - pview->current_page;
+ if (jump == -1)
+ surface = pview->prev_job ? EV_JOB_RENDER (pview->prev_job)->surface : NULL;
+ else if (jump == 1)
+ surface = pview->next_job ? EV_JOB_RENDER (pview->next_job)->surface : NULL;
+ else
+ surface = NULL;
+ if (surface)
+ ev_transition_animation_set_dest_surface (pview->animation, surface);
+
+ g_signal_connect_swapped (pview->animation, "frame",
+ G_CALLBACK (ev_view_presentation_transition_animation_frame),
+ pview);
+ g_signal_connect_swapped (pview->animation, "finished",
+ G_CALLBACK (ev_view_presentation_transition_animation_finish),
+ pview);
+}
+
+/* Page Navigation */
+static void
+job_finished_cb (EvJob *job,
+ EvViewPresentation *pview)
+{
+ EvJobRender *job_render = EV_JOB_RENDER (job);
+
+ if (pview->inverted_colors)
+ ev_document_misc_invert_surface (job_render->surface);
+
+ if (job != pview->curr_job)
+ return;
+
+ if (pview->animation) {
+ ev_transition_animation_set_dest_surface (pview->animation,
+ job_render->surface);
+ } else {
+ ev_view_presentation_transition_start (pview);
+ gtk_widget_queue_draw (GTK_WIDGET (pview));
+ }
+}
+
+static EvJob *
+ev_view_presentation_schedule_new_job (EvViewPresentation *pview,
+ gint page,
+ EvJobPriority priority)
+{
+ EvJob *job;
+ gdouble scale;
+
+ if (page < 0 || page >= ev_document_get_n_pages (pview->document))
+ return NULL;
+
+ scale = ev_view_presentation_get_scale_for_page (pview, page);
+ job = ev_job_render_new (pview->document, page, pview->rotation, scale, 0, 0);
+ g_signal_connect (job, "finished",
+ G_CALLBACK (job_finished_cb),
+ pview);
+ ev_job_scheduler_push_job (job, priority);
+
+ return job;
+}
+
+static void
+ev_view_presentation_delete_job (EvViewPresentation *pview,
+ EvJob *job)
+{
+ if (!job)
+ return;
+
+ g_signal_handlers_disconnect_by_func (job, job_finished_cb, pview);
+ ev_job_cancel (job);
+ g_object_unref (job);
+}
+
+static void
+ev_view_presentation_update_current_page (EvViewPresentation *pview,
+ guint page)
+{
+ gint jump;
+
+ if (page < 0 || page >= ev_document_get_n_pages (pview->document))
+ return;
+
+ ev_view_presentation_animation_cancel (pview);
+ ev_view_presentation_animation_start (pview, page);
+
+ jump = page - pview->current_page;
+
+ switch (jump) {
+ case 0:
+ if (!pview->curr_job)
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ if (!pview->next_job)
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
+ if (!pview->prev_job)
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
+ break;
+ case -1:
+ ev_view_presentation_delete_job (pview, pview->next_job);
+ pview->next_job = pview->curr_job;
+ pview->curr_job = pview->prev_job;
+
+ if (!pview->curr_job)
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ else
+ ev_job_scheduler_update_job (pview->curr_job, EV_JOB_PRIORITY_URGENT);
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
+ ev_job_scheduler_update_job (pview->next_job, EV_JOB_PRIORITY_LOW);
+
+ break;
+ case 1:
+ ev_view_presentation_delete_job (pview, pview->prev_job);
+ pview->prev_job = pview->curr_job;
+ pview->curr_job = pview->next_job;
+
+ if (!pview->curr_job)
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ else
+ ev_job_scheduler_update_job (pview->curr_job, EV_JOB_PRIORITY_URGENT);
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
+ ev_job_scheduler_update_job (pview->prev_job, EV_JOB_PRIORITY_LOW);
+
+ break;
+ case -2:
+ ev_view_presentation_delete_job (pview, pview->next_job);
+ ev_view_presentation_delete_job (pview, pview->curr_job);
+ pview->next_job = pview->prev_job;
+
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
+ if (!pview->next_job)
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_LOW);
+ else
+ ev_job_scheduler_update_job (pview->next_job, EV_JOB_PRIORITY_LOW);
+ break;
+ case 2:
+ ev_view_presentation_delete_job (pview, pview->prev_job);
+ ev_view_presentation_delete_job (pview, pview->curr_job);
+ pview->prev_job = pview->next_job;
+
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
+ if (!pview->prev_job)
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
+ else
+ ev_job_scheduler_update_job (pview->prev_job, EV_JOB_PRIORITY_LOW);
+ break;
+ default:
+ ev_view_presentation_delete_job (pview, pview->prev_job);
+ ev_view_presentation_delete_job (pview, pview->curr_job);
+ ev_view_presentation_delete_job (pview, pview->next_job);
+
+ pview->curr_job = ev_view_presentation_schedule_new_job (pview, page, EV_JOB_PRIORITY_URGENT);
+ if (jump > 0) {
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_HIGH);
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_LOW);
+ } else {
+ pview->prev_job = ev_view_presentation_schedule_new_job (pview, page - 1, EV_JOB_PRIORITY_HIGH);
+ pview->next_job = ev_view_presentation_schedule_new_job (pview, page + 1, EV_JOB_PRIORITY_LOW);
+ }
+ }
+
+ pview->current_page = page;
+
+ if (pview->page_cache)
+ ev_page_cache_set_page_range (pview->page_cache, page, page);
+
+ if (pview->cursor != EV_VIEW_CURSOR_HIDDEN) {
+ gint x, y;
+
+ gtk_widget_get_pointer (GTK_WIDGET (pview), &x, &y);
+ ev_view_presentation_set_cursor_for_location (pview, x, y);
+ }
+
+ if (EV_JOB_RENDER (pview->curr_job)->surface)
+ gtk_widget_queue_draw (GTK_WIDGET (pview));
+}
+
+static void
+ev_view_presentation_next_page (EvViewPresentation *pview)
+{
+ guint n_pages;
+ gint new_page;
+
+ switch (pview->state) {
+ case EV_PRESENTATION_BLACK:
+ case EV_PRESENTATION_WHITE:
+ ev_view_presentation_set_normal (pview);
+ case EV_PRESENTATION_END:
+ return;
+ case EV_PRESENTATION_NORMAL:
+ break;
+ }
+
+ n_pages = ev_document_get_n_pages (pview->document);
+ new_page = pview->current_page + 1;
+
+ if (new_page == n_pages)
+ ev_view_presentation_set_end (pview);
+ else
+ ev_view_presentation_update_current_page (pview, new_page);
+}
+
+static void
+ev_view_presentation_previous_page (EvViewPresentation *pview)
+{
+ gint new_page = 0;
+
+ switch (pview->state) {
+ case EV_PRESENTATION_BLACK:
+ case EV_PRESENTATION_WHITE:
+ ev_view_presentation_set_normal (pview);
+ return;
+ case EV_PRESENTATION_END:
+ pview->state = EV_PRESENTATION_NORMAL;
+ new_page = pview->current_page;
+ break;
+ case EV_PRESENTATION_NORMAL:
+ new_page = pview->current_page - 1;
+ break;
+ }
+
+ ev_view_presentation_update_current_page (pview, new_page);
+}
+
+/* Goto Window */
+#define KEY_IS_NUMERIC(keyval) \
+ ((keyval >= GDK_0 && keyval <= GDK_9) || (keyval >= GDK_KP_0 && keyval <= GDK_KP_9))
+
+/* Cut and paste from gtkwindow.c */
+static void
+send_focus_change (GtkWidget *widget,
+ gboolean in)
+{
+ GdkEvent *fevent = gdk_event_new (GDK_FOCUS_CHANGE);
+
+ fevent->focus_change.type = GDK_FOCUS_CHANGE;
+ fevent->focus_change.window = gtk_widget_get_window (widget);
+ fevent->focus_change.in = in;
+ if (fevent->focus_change.window)
+ g_object_ref (fevent->focus_change.window);
+
+ gtk_widget_send_focus_change (widget, fevent);
+
+ gdk_event_free (fevent);
+}
+
+static void
+ev_view_presentation_goto_window_hide (EvViewPresentation *pview)
+{
+ /* send focus-in event */
+ send_focus_change (pview->goto_entry, FALSE);
+ gtk_widget_hide (pview->goto_window);
+ gtk_entry_set_text (GTK_ENTRY (pview->goto_entry), "");
+}
+
+static gboolean
+ev_view_presentation_goto_window_delete_event (GtkWidget *widget,
+ GdkEventAny *event,
+ EvViewPresentation *pview)
+{
+ ev_view_presentation_goto_window_hide (pview);
+
+ return TRUE;
+}
+
+static gboolean
+ev_view_presentation_goto_window_key_press_event (GtkWidget *widget,
+ GdkEventKey *event,
+ EvViewPresentation *pview)
+{
+ switch (event->keyval) {
+ case GDK_Escape:
+ case GDK_Tab:
+ case GDK_KP_Tab:
+ case GDK_ISO_Left_Tab:
+ ev_view_presentation_goto_window_hide (pview);
+ return TRUE;
+ case GDK_Return:
+ case GDK_KP_Enter:
+ case GDK_ISO_Enter:
+ case GDK_BackSpace:
+ case GDK_Delete:
+ return FALSE;
+ default:
+ if (!KEY_IS_NUMERIC (event->keyval))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_presentation_goto_window_button_press_event (GtkWidget *widget,
+ GdkEventButton *event,
+ EvViewPresentation *pview)
+{
+ ev_view_presentation_goto_window_hide (pview);
+
+ return TRUE;
+}
+
+static void
+ev_view_presentation_goto_entry_activate (GtkEntry *entry,
+ EvViewPresentation *pview)
+{
+ const gchar *text;
+ gint page;
+
+ text = gtk_entry_get_text (entry);
+ page = atoi (text) - 1;
+
+ ev_view_presentation_goto_window_hide (pview);
+ ev_view_presentation_update_current_page (pview, page);
+}
+
+static void
+ev_view_presentation_goto_window_create (EvViewPresentation *pview)
+{
+ GtkWidget *frame, *hbox, *label;
+ GtkWindow *toplevel, *goto_window;
+
+ toplevel = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (pview)));
+ goto_window = GTK_WINDOW (pview->goto_window);
+
+ if (pview->goto_window) {
+ if (gtk_window_has_group (toplevel))
+ gtk_window_group_add_window (gtk_window_get_group (toplevel), goto_window);
+ else if (gtk_window_has_group (goto_window))
+ gtk_window_group_remove_window (gtk_window_get_group (goto_window), goto_window);
+
+ return;
+ }
+
+ pview->goto_window = gtk_window_new (GTK_WINDOW_POPUP);
+ gtk_window_set_screen (goto_window, gtk_widget_get_screen (GTK_WIDGET (pview)));
+
+ if (gtk_window_has_group (toplevel))
+ gtk_window_group_add_window (gtk_window_get_group (toplevel), goto_window);
+
+ gtk_window_set_modal (goto_window, TRUE);
+
+ g_signal_connect (pview->goto_window, "delete_event",
+ G_CALLBACK (ev_view_presentation_goto_window_delete_event),
+ pview);
+ g_signal_connect (pview->goto_window, "key_press_event",
+ G_CALLBACK (ev_view_presentation_goto_window_key_press_event),
+ pview);
+ g_signal_connect (pview->goto_window, "button_press_event",
+ G_CALLBACK (ev_view_presentation_goto_window_button_press_event),
+ pview);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_ETCHED_IN);
+ gtk_container_add (GTK_CONTAINER (pview->goto_window), frame);
+ gtk_widget_show (frame);
+
+ hbox = gtk_hbox_new (FALSE, 0);
+ gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);
+ gtk_container_add (GTK_CONTAINER (frame), hbox);
+ gtk_widget_show (hbox);
+
+ label = gtk_label_new (_("Jump to page:"));
+ gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 3);
+ gtk_widget_show (label);
+ gtk_widget_realize (label);
+
+ pview->goto_entry = gtk_entry_new ();
+ g_signal_connect (pview->goto_entry, "activate",
+ G_CALLBACK (ev_view_presentation_goto_entry_activate),
+ pview);
+ gtk_box_pack_start (GTK_BOX (hbox), pview->goto_entry, TRUE, TRUE, 0);
+ gtk_widget_show (pview->goto_entry);
+ gtk_widget_realize (pview->goto_entry);
+}
+
+static void
+ev_view_presentation_goto_entry_grab_focus (EvViewPresentation *pview)
+{
+ GtkWidgetClass *entry_parent_class;
+
+ entry_parent_class = g_type_class_peek_parent (GTK_ENTRY_GET_CLASS (pview->goto_entry));
+ (entry_parent_class->grab_focus) (pview->goto_entry);
+
+ send_focus_change (pview->goto_entry, TRUE);
+}
+
+static void
+ev_view_presentation_goto_window_send_key_event (EvViewPresentation *pview,
+ GdkEvent *event)
+{
+ GdkEventKey *new_event;
+ GdkScreen *screen;
+
+ /* Move goto window off screen */
+ screen = gtk_widget_get_screen (GTK_WIDGET (pview));
+ gtk_window_move (GTK_WINDOW (pview->goto_window),
+ gdk_screen_get_width (screen) + 1,
+ gdk_screen_get_height (screen) + 1);
+ gtk_widget_show (pview->goto_window);
+
+ new_event = (GdkEventKey *) gdk_event_copy (event);
+ g_object_unref (new_event->window);
+ new_event->window = gtk_widget_get_window (pview->goto_window);
+ if (new_event->window)
+ g_object_ref (new_event->window);
+ gtk_widget_realize (pview->goto_window);
+
+ gtk_widget_event (pview->goto_window, (GdkEvent *)new_event);
+ gdk_event_free ((GdkEvent *)new_event);
+ gtk_widget_hide (pview->goto_window);
+}
+
+/* Links */
+static gboolean
+ev_view_presentation_link_is_supported (EvViewPresentation *pview,
+ EvLink *link)
+{
+ EvLinkAction *action;
+
+ action = ev_link_get_action (link);
+ if (!action)
+ return FALSE;
+
+ switch (ev_link_action_get_action_type (action)) {
+ case EV_LINK_ACTION_TYPE_GOTO_DEST:
+ return ev_link_action_get_dest (action) != NULL;
+ case EV_LINK_ACTION_TYPE_NAMED:
+ return TRUE;
+ default:
+ return FALSE;
+ }
+
+ return FALSE;
+}
+
+static EvLink *
+ev_view_presentation_get_link_at_location (EvViewPresentation *pview,
+ gdouble x,
+ gdouble y)
+{
+ GdkRectangle page_area;
+ EvMappingList *link_mapping;
+ EvLink *link;
+ gdouble width, height;
+ gdouble new_x, new_y;
+ gdouble scale;
+
+ if (!pview->page_cache)
+ return NULL;
+
+ ev_document_get_page_size (pview->document, pview->current_page, &width, &height);
+ ev_view_presentation_get_page_area (pview, &page_area);
+ scale = ev_view_presentation_get_scale_for_page (pview, pview->current_page);
+ x = (x - page_area.x) / scale;
+ y = (y - page_area.y) / scale;
+ switch (pview->rotation) {
+ case 0:
+ case 360:
+ new_x = x;
+ new_y = y;
+ break;
+ case 90:
+ new_x = y;
+ new_y = height - x;
+ break;
+ case 180:
+ new_x = width - x;
+ new_y = height - y;
+ break;
+ case 270:
+ new_x = width - y;
+ new_y = x;
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ link_mapping = ev_page_cache_get_link_mapping (pview->page_cache, pview->current_page);
+
+ link = link_mapping ? ev_mapping_list_get_data (link_mapping, new_x, new_y) : NULL;
+
+ return link && ev_view_presentation_link_is_supported (pview, link) ? link : NULL;
+}
+
+static void
+ev_vew_presentation_goto_link_dest (EvViewPresentation *pview,
+ EvLink *link)
+{
+ EvLinkAction *action;
+
+ action = ev_link_get_action (link);
+
+ if (ev_link_action_get_action_type (action) == EV_LINK_ACTION_TYPE_NAMED) {
+ const gchar *name = ev_link_action_get_name (action);
+
+ if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
+ ev_view_presentation_update_current_page (pview, 0);
+ } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
+ ev_view_presentation_update_current_page (pview, pview->current_page - 1);
+ } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
+ ev_view_presentation_update_current_page (pview, pview->current_page + 1);
+ } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
+ gint n_pages;
+
+ n_pages = ev_document_get_n_pages (pview->document);
+ ev_view_presentation_update_current_page (pview, n_pages - 1);
+ }
+ } else {
+ EvLinkDest *dest;
+ gint page;
+
+ dest = ev_link_action_get_dest (action);
+ page = ev_document_links_get_dest_page (EV_DOCUMENT_LINKS (pview->document), dest);
+ ev_view_presentation_update_current_page (pview, page);
+ }
+}
+
+/* Cursors */
+static void
+ev_view_presentation_set_cursor (EvViewPresentation *pview,
+ EvViewCursor view_cursor)
+{
+ GtkWidget *widget;
+ GdkCursor *cursor;
+
+ if (pview->cursor == view_cursor)
+ return;
+
+ widget = GTK_WIDGET (pview);
+ if (!gtk_widget_get_realized (widget))
+ gtk_widget_realize (widget);
+
+ pview->cursor = view_cursor;
+
+ cursor = ev_view_cursor_new (gtk_widget_get_display (widget), view_cursor);
+ gdk_window_set_cursor (gtk_widget_get_window (widget), cursor);
+ gdk_flush ();
+ if (cursor)
+ gdk_cursor_unref (cursor);
+}
+
+static void
+ev_view_presentation_set_cursor_for_location (EvViewPresentation *pview,
+ gdouble x,
+ gdouble y)
+{
+ if (ev_view_presentation_get_link_at_location (pview, x, y))
+ ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_LINK);
+ else
+ ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_NORMAL);
+}
+
+static gboolean
+hide_cursor_timeout_cb (EvViewPresentation *pview)
+{
+ ev_view_presentation_set_cursor (pview, EV_VIEW_CURSOR_HIDDEN);
+ pview->hide_cursor_timeout_id = 0;
+
+ return FALSE;
+}
+
+static void
+ev_view_presentation_hide_cursor_timeout_stop (EvViewPresentation *pview)
+{
+ if (pview->hide_cursor_timeout_id > 0)
+ g_source_remove (pview->hide_cursor_timeout_id);
+ pview->hide_cursor_timeout_id = 0;
+}
+
+static void
+ev_view_presentation_hide_cursor_timeout_start (EvViewPresentation *pview)
+{
+ ev_view_presentation_hide_cursor_timeout_stop (pview);
+ pview->hide_cursor_timeout_id =
+ g_timeout_add_seconds (HIDE_CURSOR_TIMEOUT,
+ (GSourceFunc)hide_cursor_timeout_cb,
+ pview);
+}
+
+static void
+ev_view_presentation_update_current_surface (EvViewPresentation *pview,
+ cairo_surface_t *surface)
+{
+ if (!surface || pview->current_surface == surface)
+ return;
+
+ cairo_surface_reference (surface);
+ if (pview->current_surface)
+ cairo_surface_destroy (pview->current_surface);
+ pview->current_surface = surface;
+}
+
+static void
+ev_view_presentation_destroy (GtkObject *object)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (object);
+
+ if (pview->document) {
+ g_object_unref (pview->document);
+ pview->document = NULL;
+ }
+
+ ev_view_presentation_animation_cancel (pview);
+ ev_view_presentation_transition_stop (pview);
+ ev_view_presentation_hide_cursor_timeout_stop (pview);
+
+ if (pview->curr_job) {
+ ev_view_presentation_delete_job (pview, pview->curr_job);
+ pview->curr_job = NULL;
+ }
+
+ if (pview->prev_job) {
+ ev_view_presentation_delete_job (pview, pview->prev_job);
+ pview->prev_job = NULL;
+ }
+
+ if (pview->next_job) {
+ ev_view_presentation_delete_job (pview, pview->next_job);
+ pview->next_job = NULL;
+ }
+
+ if (pview->current_surface) {
+ cairo_surface_destroy (pview->current_surface);
+ pview->current_surface = NULL;
+ }
+
+ if (pview->page_cache) {
+ g_object_unref (pview->page_cache);
+ pview->page_cache = NULL;
+ }
+
+ if (pview->goto_window) {
+ gtk_widget_destroy (pview->goto_window);
+ pview->goto_window = NULL;
+ pview->goto_entry = NULL;
+ }
+
+ GTK_OBJECT_CLASS (ev_view_presentation_parent_class)->destroy (object);
+}
+
+static void
+ev_view_presentation_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ requisition->width = 0;
+ requisition->height = 0;
+}
+
+static void
+ev_view_presentation_draw_end_page (EvViewPresentation *pview)
+{
+ GtkWidget *widget = GTK_WIDGET (pview);
+ PangoLayout *layout;
+ PangoFontDescription *font_desc;
+ gchar *markup;
+ GtkAllocation allocation;
+ GdkRectangle area = {0};
+ const gchar *text = _("End of presentation. Click to exit.");
+
+ if (pview->state != EV_PRESENTATION_END)
+ return;
+
+ layout = gtk_widget_create_pango_layout (widget, NULL);
+ markup = g_strdup_printf ("<span foreground=\"white\">%s</span>", text);
+ pango_layout_set_markup (layout, markup, -1);
+ g_free (markup);
+
+ font_desc = pango_font_description_new ();
+ pango_font_description_set_size (font_desc, 16 * PANGO_SCALE);
+ pango_layout_set_font_description (layout, font_desc);
+
+ gtk_widget_get_allocation (widget, &allocation);
+ area.width = allocation.width;
+ area.height = allocation.height;
+
+ gtk_paint_layout (gtk_widget_get_style (widget),
+ gtk_widget_get_window (widget),
+ gtk_widget_get_state (widget),
+ FALSE,
+ &area,
+ widget,
+ NULL,
+ 15,
+ 15,
+ layout);
+
+ pango_font_description_free (font_desc);
+ g_object_unref (layout);
+}
+
+static gboolean
+ev_view_presentation_expose_event (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+ GdkRectangle page_area;
+ GdkRectangle overlap;
+ cairo_surface_t *surface;
+ cairo_t *cr;
+
+ switch (pview->state) {
+ case EV_PRESENTATION_END:
+ ev_view_presentation_draw_end_page (pview);
+ return FALSE;
+ case EV_PRESENTATION_BLACK:
+ case EV_PRESENTATION_WHITE:
+ return FALSE;
+ case EV_PRESENTATION_NORMAL:
+ break;
+ }
+
+ if (pview->animation) {
+ if (ev_transition_animation_ready (pview->animation)) {
+ ev_view_presentation_get_page_area (pview, &page_area);
+
+ cr = gdk_cairo_create (gtk_widget_get_window (widget));
+
+ /* normalize to x=0, y=0 */
+ cairo_translate (cr, page_area.x, page_area.y);
+ page_area.x = page_area.y = 0;
+
+ /* Try to fix rounding errors */
+ page_area.width--;
+
+ ev_transition_animation_paint (pview->animation, cr, page_area);
+ cairo_destroy (cr);
+ }
+
+ return TRUE;
+ }
+
+ surface = pview->curr_job ? EV_JOB_RENDER (pview->curr_job)->surface : NULL;
+ if (surface) {
+ ev_view_presentation_update_current_surface (pview, surface);
+ } else if (pview->current_surface) {
+ surface = pview->current_surface;
+ } else {
+ return FALSE;
+ }
+
+ ev_view_presentation_get_page_area (pview, &page_area);
+ if (gdk_rectangle_intersect (&page_area, &(event->area), &overlap)) {
+ cr = gdk_cairo_create (gtk_widget_get_window (widget));
+
+ /* Try to fix rounding errors. See bug #438760 */
+ if (overlap.width == page_area.width)
+ overlap.width--;
+
+ cairo_rectangle (cr, overlap.x, overlap.y, overlap.width, overlap.height);
+ cairo_set_source_surface (cr, surface, page_area.x, page_area.y);
+ cairo_fill (cr);
+ cairo_destroy (cr);
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_presentation_key_press_event (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+
+ if (pview->state == EV_PRESENTATION_END)
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+
+ switch (event->keyval) {
+ case GDK_b:
+ case GDK_B:
+ case GDK_period:
+ case GDK_KP_Decimal:
+ if (pview->state == EV_PRESENTATION_BLACK)
+ ev_view_presentation_set_normal (pview);
+ else
+ ev_view_presentation_set_black (pview);
+
+ return TRUE;
+ case GDK_w:
+ case GDK_W:
+ if (pview->state == EV_PRESENTATION_WHITE)
+ ev_view_presentation_set_normal (pview);
+ else
+ ev_view_presentation_set_white (pview);
+
+ return TRUE;
+ case GDK_Home:
+ if (pview->state == EV_PRESENTATION_NORMAL) {
+ ev_view_presentation_update_current_page (pview, 0);
+ return TRUE;
+ }
+ break;
+ case GDK_End:
+ if (pview->state == EV_PRESENTATION_NORMAL) {
+ gint page;
+
+ page = ev_document_get_n_pages (pview->document) - 1;
+ ev_view_presentation_update_current_page (pview, page);
+
+ return TRUE;
+ }
+ break;
+ default:
+ break;
+ }
+
+ ev_view_presentation_set_normal (pview);
+
+ if (ev_document_get_n_pages (pview->document) > 1 && KEY_IS_NUMERIC (event->keyval)) {
+ gint x, y;
+
+ ev_view_presentation_goto_window_create (pview);
+ ev_view_presentation_goto_window_send_key_event (pview, (GdkEvent *)event);
+ gtk_widget_get_pointer (GTK_WIDGET (pview), &x, &y);
+ gtk_window_move (GTK_WINDOW (pview->goto_window), x, y);
+ gtk_widget_show (pview->goto_window);
+ ev_view_presentation_goto_entry_grab_focus (pview);
+
+ return TRUE;
+ }
+
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+}
+
+static gboolean
+ev_view_presentation_button_release_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+
+ switch (event->button) {
+ case 1: {
+ EvLink *link;
+
+ if (pview->state == EV_PRESENTATION_END) {
+ g_signal_emit (pview, signals[FINISHED], 0, NULL);
+
+ return FALSE;
+ }
+
+ link = ev_view_presentation_get_link_at_location (pview,
+ event->x,
+ event->y);
+ if (link)
+ ev_vew_presentation_goto_link_dest (pview, link);
+ else
+ ev_view_presentation_next_page (pview);
+ }
+ break;
+ case 3:
+ ev_view_presentation_previous_page (pview);
+ break;
+ default:
+ break;
+ }
+
+ return FALSE;
+}
+
+static gint
+ev_view_presentation_focus_out (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+
+ if (pview->goto_window)
+ ev_view_presentation_goto_window_hide (pview);
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_presentation_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+
+ ev_view_presentation_hide_cursor_timeout_start (pview);
+ ev_view_presentation_set_cursor_for_location (pview, event->x, event->y);
+
+ return FALSE;
+}
+
+static gboolean
+init_presentation (GtkWidget *widget)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+ GdkScreen *screen = gtk_widget_get_screen (widget);
+ GdkRectangle monitor;
+ gint monitor_num;
+
+ monitor_num = gdk_screen_get_monitor_at_window (screen, gtk_widget_get_window (widget));
+ gdk_screen_get_monitor_geometry (screen, monitor_num, &monitor);
+ pview->monitor_width = monitor.width;
+ pview->monitor_height = monitor.height;
+
+ ev_view_presentation_update_current_page (pview, pview->current_page);
+ ev_view_presentation_hide_cursor_timeout_start (pview);
+
+ return FALSE;
+}
+
+static void
+ev_view_presentation_realize (GtkWidget *widget)
+{
+ GdkWindow *window;
+ GtkStyle *style;
+ GdkWindowAttr attributes;
+ GtkAllocation allocation;
+
+ gtk_widget_set_realized (widget, TRUE);
+
+ attributes.window_type = GDK_WINDOW_CHILD;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.colormap = gtk_widget_get_colormap (widget);
+
+ gtk_widget_get_allocation (widget, &allocation);
+ attributes.x = allocation.x;
+ attributes.y = allocation.y;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
+ attributes.event_mask = GDK_EXPOSURE_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_SCROLL_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK;
+
+ window = gdk_window_new (gtk_widget_get_parent_window (widget),
+ &attributes,
+ GDK_WA_X | GDK_WA_Y |
+ GDK_WA_COLORMAP |
+ GDK_WA_VISUAL);
+
+ gdk_window_set_user_data (window, widget);
+ gtk_widget_set_window (widget, window);
+
+ gtk_widget_style_attach (widget);
+ style = gtk_widget_get_style (widget);
+ gdk_window_set_background (window, &style->black);
+
+ g_idle_add ((GSourceFunc)init_presentation, widget);
+}
+
+static void
+ev_view_presentation_change_page (EvViewPresentation *pview,
+ GtkScrollType scroll)
+{
+ switch (scroll) {
+ case GTK_SCROLL_PAGE_FORWARD:
+ ev_view_presentation_next_page (pview);
+ break;
+ case GTK_SCROLL_PAGE_BACKWARD:
+ ev_view_presentation_previous_page (pview);
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static gboolean
+ev_view_presentation_scroll_event (GtkWidget *widget,
+ GdkEventScroll *event)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (widget);
+ guint state;
+
+ state = event->state & gtk_accelerator_get_default_mod_mask ();
+ if (state != 0)
+ return FALSE;
+
+ switch (event->direction) {
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_RIGHT:
+ ev_view_presentation_change_page (pview, GTK_SCROLL_PAGE_FORWARD);
+ break;
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_LEFT:
+ ev_view_presentation_change_page (pview, GTK_SCROLL_PAGE_BACKWARD);
+ break;
+ }
+
+ return TRUE;
+}
+
+
+static void
+add_change_page_binding_keypad (GtkBindingSet *binding_set,
+ guint keyval,
+ GdkModifierType modifiers,
+ GtkScrollType scroll)
+{
+ guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
+
+ gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, scroll);
+ gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, scroll);
+}
+
+static void
+ev_view_presentation_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ EvViewPresentation *pview = EV_VIEW_PRESENTATION (object);
+
+ switch (prop_id) {
+ case PROP_DOCUMENT:
+ pview->document = g_value_dup_object (value);
+ pview->enable_animations = EV_IS_DOCUMENT_TRANSITION (pview->document);
+ break;
+ case PROP_CURRENT_PAGE:
+ pview->current_page = g_value_get_uint (value);
+ break;
+ case PROP_ROTATION:
+ pview->rotation = g_value_get_uint (value);
+ break;
+ case PROP_INVERTED_COLORS:
+ pview->inverted_colors = g_value_get_boolean (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ }
+}
+
+static GObject *
+ev_view_presentation_constructor (GType type,
+ guint n_construct_properties,
+ GObjectConstructParam *construct_params)
+{
+ GObject *object;
+ EvViewPresentation *pview;
+
+ object = G_OBJECT_CLASS (ev_view_presentation_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
+ pview = EV_VIEW_PRESENTATION (object);
+
+ if (EV_IS_DOCUMENT_LINKS (pview->document)) {
+ pview->page_cache = ev_page_cache_new (pview->document);
+ ev_page_cache_set_flags (pview->page_cache, EV_PAGE_DATA_INCLUDE_LINKS);
+ }
+
+ return object;
+}
+
+static void
+ev_view_presentation_class_init (EvViewPresentationClass *klass)
+{
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (klass);
+ GtkBindingSet *binding_set;
+
+ klass->change_page = ev_view_presentation_change_page;
+
+ widget_class->size_request = ev_view_presentation_size_request;
+ widget_class->realize = ev_view_presentation_realize;
+ widget_class->expose_event = ev_view_presentation_expose_event;
+ widget_class->key_press_event = ev_view_presentation_key_press_event;
+ widget_class->button_release_event = ev_view_presentation_button_release_event;
+ widget_class->focus_out_event = ev_view_presentation_focus_out;
+ widget_class->motion_notify_event = ev_view_presentation_motion_notify_event;
+ widget_class->scroll_event = ev_view_presentation_scroll_event;
+
+ gtk_object_class->destroy = ev_view_presentation_destroy;
+
+ gobject_class->constructor = ev_view_presentation_constructor;
+ gobject_class->set_property = ev_view_presentation_set_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_DOCUMENT,
+ g_param_spec_object ("document",
+ "Document",
+ "Document",
+ EV_TYPE_DOCUMENT,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_CURRENT_PAGE,
+ g_param_spec_uint ("current_page",
+ "Current Page",
+ "The current page",
+ 0, G_MAXUINT, 0,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_ROTATION,
+ g_param_spec_uint ("rotation",
+ "Rotation",
+ "Current rotation angle",
+ 0, 360, 0,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+ g_object_class_install_property (gobject_class,
+ PROP_INVERTED_COLORS,
+ g_param_spec_boolean ("inverted_colors",
+ "Inverted Colors",
+ "Whether presentation is displayed with inverted colors",
+ FALSE,
+ G_PARAM_WRITABLE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ signals[CHANGE_PAGE] =
+ g_signal_new ("change_page",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewPresentationClass, change_page),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__ENUM,
+ G_TYPE_NONE, 1,
+ GTK_TYPE_SCROLL_TYPE);
+ signals[FINISHED] =
+ g_signal_new ("finished",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewPresentationClass, finished),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0,
+ G_TYPE_NONE);
+
+ binding_set = gtk_binding_set_by_class (klass);
+ add_change_page_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_PAGE_BACKWARD);
+ add_change_page_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_PAGE_FORWARD);
+ add_change_page_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_PAGE_BACKWARD);
+ add_change_page_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_PAGE_FORWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_space, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_BackSpace, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_Page_Down, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_Page_Up, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_J, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_H, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_L, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_FORWARD);
+ gtk_binding_entry_add_signal (binding_set, GDK_K, 0,
+ "change_page", 1,
+ GTK_TYPE_SCROLL_TYPE, GTK_SCROLL_PAGE_BACKWARD);
+}
+
+static void
+ev_view_presentation_init (EvViewPresentation *pview)
+{
+ gtk_widget_set_can_focus (GTK_WIDGET (pview), TRUE);
+}
+
+GtkWidget *
+ev_view_presentation_new (EvDocument *document,
+ guint current_page,
+ guint rotation,
+ gboolean inverted_colors)
+{
+ g_return_val_if_fail (EV_IS_DOCUMENT (document), NULL);
+ g_return_val_if_fail (current_page < ev_document_get_n_pages (document), NULL);
+
+ return GTK_WIDGET (g_object_new (EV_TYPE_VIEW_PRESENTATION,
+ "document", document,
+ "current_page", current_page,
+ "rotation", rotation,
+ "inverted_colors", inverted_colors,
+ NULL));
+}
+
+guint
+ev_view_presentation_get_current_page (EvViewPresentation *pview)
+{
+ return pview->current_page;
+}
diff --git a/libview/ev-view-presentation.h b/libview/ev-view-presentation.h
new file mode 100644
index 00000000..3aaf6f06
--- /dev/null
+++ b/libview/ev-view-presentation.h
@@ -0,0 +1,51 @@
+/* ev-view-presentation.h
+ * this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2010 Carlos Garcia Campos <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_VIEW_PRESENTATION_H__
+#define __EV_VIEW_PRESENTATION_H__
+
+#include <gtk/gtk.h>
+
+#include <evince-document.h>
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_VIEW_PRESENTATION (ev_view_presentation_get_type ())
+#define EV_VIEW_PRESENTATION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW_PRESENTATION, EvViewPresentation))
+#define EV_IS_VIEW_PRESENTATION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW_PRESENTATION))
+
+typedef struct _EvViewPresentation EvViewPresentation;
+typedef struct _EvViewPresentationClass EvViewPresentationClass;
+
+GType ev_view_presentation_get_type (void) G_GNUC_CONST;
+
+GtkWidget *ev_view_presentation_new (EvDocument *document,
+ guint current_page,
+ guint rotation,
+ gboolean inverted_colors);
+guint ev_view_presentation_get_current_page (EvViewPresentation *pview);
+
+G_END_DECLS
+
+#endif /* __EV_VIEW_PRESENTATION_H__ */
diff --git a/libview/ev-view-private.h b/libview/ev-view-private.h
new file mode 100644
index 00000000..8ecd12db
--- /dev/null
+++ b/libview/ev-view-private.h
@@ -0,0 +1,225 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (EVINCE_COMPILATION)
+#error "This is a private header."
+#endif
+
+#ifndef __EV_VIEW_PRIVATE_H__
+#define __EV_VIEW_PRIVATE_H__
+
+#include "ev-view.h"
+#include "ev-document-model.h"
+#include "ev-pixbuf-cache.h"
+#include "ev-page-cache.h"
+#include "ev-jobs.h"
+#include "ev-image.h"
+#include "ev-form-field.h"
+#include "ev-selection.h"
+#include "ev-view-cursor.h"
+
+#define DRAG_HISTORY 10
+
+/* Information for middle clicking and moving around the doc */
+typedef struct {
+ gboolean in_drag;
+ GdkPoint start;
+ gdouble hadj;
+ gdouble vadj;
+ guint drag_timeout_id;
+ guint release_timeout_id;
+ GdkPoint buffer[DRAG_HISTORY];
+ GdkPoint momentum;
+} DragInfo;
+
+/* Autoscrolling */
+typedef struct {
+ gboolean autoscrolling;
+ guint last_y;
+ guint start_y;
+ guint timeout_id;
+} AutoScrollInfo;
+
+/* Information for handling selection */
+typedef struct {
+ gboolean in_drag;
+ GdkPoint start;
+ gboolean in_selection;
+ GList *selections;
+ EvSelectionStyle style;
+} SelectionInfo;
+
+/* Information for handling images DND */
+typedef struct {
+ gboolean in_drag;
+ GdkPoint start;
+ EvImage *image;
+} ImageDNDInfo;
+
+/* Annotation popup windows */
+typedef struct {
+ GtkWidget *window;
+ guint page;
+
+ /* Current position */
+ gint x;
+ gint y;
+
+ /* EvView root position */
+ gint parent_x;
+ gint parent_y;
+
+ /* Document coords */
+ gdouble orig_x;
+ gdouble orig_y;
+
+ gboolean visible;
+ gboolean moved;
+} EvViewWindowChild;
+
+typedef enum {
+ SCROLL_TO_KEEP_POSITION,
+ SCROLL_TO_PAGE_POSITION,
+ SCROLL_TO_CENTER,
+ SCROLL_TO_FIND_LOCATION,
+} PendingScroll;
+
+typedef struct _EvHeightToPageCache {
+ gint rotation;
+ gdouble *height_to_page;
+ gdouble *dual_height_to_page;
+} EvHeightToPageCache;
+
+struct _EvView {
+ GtkLayout layout;
+
+ EvDocument *document;
+
+ /* Find */
+ GList **find_pages;
+ gint find_result;
+ gboolean jump_to_find_result;
+ gboolean highlight_find_results;
+
+ EvDocumentModel *model;
+ EvPixbufCache *pixbuf_cache;
+ gsize pixbuf_cache_size;
+ EvPageCache *page_cache;
+ EvHeightToPageCache *height_to_page_cache;
+ EvViewCursor cursor;
+ EvJobRender *current_job;
+
+ GtkRequisition requisition;
+ gboolean internal_size_request;
+
+ /* Scrolling */
+ GtkAdjustment *hadjustment;
+ GtkAdjustment *vadjustment;
+
+ gint scroll_x;
+ gint scroll_y;
+
+ PendingScroll pending_scroll;
+ gboolean pending_resize;
+ EvPoint pending_point;
+
+ /* Current geometry */
+
+ gint start_page;
+ gint end_page;
+ gint current_page;
+
+ gint rotation;
+ gdouble scale;
+ gint spacing;
+
+ gboolean loading;
+ gboolean continuous;
+ gboolean dual_page;
+ gboolean fullscreen;
+ EvSizingMode sizing_mode;
+ GtkWidget *loading_window;
+ guint loading_timeout;
+
+ /* Common for button press handling */
+ int pressed_button;
+
+ /* Information for middle clicking and dragging around. */
+ DragInfo drag_info;
+
+ /* Autoscrolling */
+ AutoScrollInfo scroll_info;
+
+ /* Selection */
+ GdkPoint motion;
+ guint selection_update_id;
+ guint selection_scroll_id;
+
+ EvViewSelectionMode selection_mode;
+ SelectionInfo selection_info;
+
+ /* Copy link address selection */
+ EvLinkAction *link_selected;
+
+ /* Image DND */
+ ImageDNDInfo image_dnd_info;
+
+ /* Annotations */
+ GList *window_children;
+ EvViewWindowChild *window_child_focus;
+ EvMapping *focus_annotation;
+ gboolean adding_annot;
+ EvAnnotationType adding_annot_type;
+
+ /* Synctex */
+ EvMapping *synctex_result;
+
+ /* Accessibility */
+ gboolean a11y_enabled;
+};
+
+struct _EvViewClass {
+ GtkLayoutClass parent_class;
+
+ void (*binding_activated) (EvView *view,
+ GtkScrollType scroll,
+ gboolean horizontal);
+ void (*handle_link) (EvView *view,
+ EvLink *link);
+ void (*external_link) (EvView *view,
+ EvLinkAction *action);
+ void (*popup_menu) (EvView *view,
+ GList *items);
+ void (*selection_changed) (EvView *view);
+ void (*sync_source) (EvView *view,
+ EvSourceLink *link);
+ void (*annot_added) (EvView *view,
+ EvAnnotation *annot);
+};
+
+void _get_page_size_for_scale_and_rotation (EvDocument *document,
+ gint page,
+ gdouble scale,
+ gint rotation,
+ gint *page_width,
+ gint *page_height);
+
+#endif /* __EV_VIEW_PRIVATE_H__ */
+
diff --git a/libview/ev-view-type-builtins.c.template b/libview/ev-view-type-builtins.c.template
new file mode 100644
index 00000000..01ca13af
--- /dev/null
+++ b/libview/ev-view-type-builtins.c.template
@@ -0,0 +1,44 @@
+/*** BEGIN file-header ***/
+#include <config.h>
+
+#include "ev-view-type-builtins.h"
+
+/*** END file-header ***/
+
+/*** BEGIN file-production ***/
+/* enumerations from "@filename@" */
+#include "@filename@"
+/*** END file-production ***/
+
+
+/*** BEGIN value-header ***/
+GType
+@enum_name@_get_type (void)
+{
+ static volatile gsize g_define_type_id__volatile = 0;
+
+ if (g_once_init_enter (&g_define_type_id__volatile)) {
+ static const G@Type@Value values[] = {
+/*** END value-header ***/
+
+/*** BEGIN value-production ***/
+ { @VALUENAME@, "@VALUENAME@", "@valuenick@" },
+/*** END value-production ***/
+
+/*** BEGIN value-tail ***/
+ { 0, NULL, NULL }
+ };
+ GType g_define_type_id = \
+ g_@type@_register_static (g_intern_static_string ("@EnumName@"), values);
+
+ g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+ }
+
+ return g_define_type_id__volatile;
+}
+
+/*** END value-tail ***/
+
+/*** BEGIN file-tail ***/
+
+/*** END file-tail ***/
diff --git a/libview/ev-view-type-builtins.h.template b/libview/ev-view-type-builtins.h.template
new file mode 100644
index 00000000..c4ba4974
--- /dev/null
+++ b/libview/ev-view-type-builtins.h.template
@@ -0,0 +1,29 @@
+/*** BEGIN file-header ***/
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef EV_VIEW_TYPE_BUILTINS_H
+#define EV_VIEW_TYPE_BUILTINS_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+/*** END file-header ***/
+
+/*** BEGIN file-production ***/
+
+/* enumerations from "@filename@" */
+/*** END file-production ***/
+
+/*** BEGIN value-header ***/
+GType @enum_name@_get_type (void) G_GNUC_CONST;
+#define EV_TYPE_@ENUMSHORT@ (@enum_name@_get_type ())
+/*** END value-header ***/
+
+/*** BEGIN file-tail ***/
+G_END_DECLS
+
+#endif /* !EV_VIEW_TYPE_BUILTINS_H */
+/*** END file-tail ***/
diff --git a/libview/ev-view.c b/libview/ev-view.c
new file mode 100644
index 00000000..b47d6047
--- /dev/null
+++ b/libview/ev-view.c
@@ -0,0 +1,6274 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <math.h>
+#include <string.h>
+
+#include <glib/gi18n-lib.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "ev-mapping-list.h"
+#include "ev-document-forms.h"
+#include "ev-document-images.h"
+#include "ev-document-links.h"
+#include "ev-document-misc.h"
+#include "ev-pixbuf-cache.h"
+#include "ev-page-cache.h"
+#include "ev-view-marshal.h"
+#include "ev-document-annotations.h"
+#include "ev-annotation-window.h"
+#include "ev-loading-window.h"
+#include "ev-view.h"
+#include "ev-view-accessible.h"
+#include "ev-view-private.h"
+#include "ev-view-type-builtins.h"
+
+#define EV_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_VIEW, EvViewClass))
+#define EV_IS_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_VIEW))
+#define EV_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_VIEW, EvViewClass))
+
+enum {
+ SIGNAL_BINDING_ACTIVATED,
+ SIGNAL_HANDLE_LINK,
+ SIGNAL_EXTERNAL_LINK,
+ SIGNAL_POPUP_MENU,
+ SIGNAL_SELECTION_CHANGED,
+ SIGNAL_SYNC_SOURCE,
+ SIGNAL_ANNOT_ADDED,
+ N_SIGNALS
+};
+
+enum {
+ TARGET_DND_URI,
+ TARGET_DND_TEXT,
+ TARGET_DND_IMAGE
+};
+
+static guint signals[N_SIGNALS];
+
+typedef enum {
+ EV_VIEW_FIND_NEXT,
+ EV_VIEW_FIND_PREV
+} EvViewFindDirection;
+
+#define ZOOM_IN_FACTOR 1.2
+#define ZOOM_OUT_FACTOR (1.0/ZOOM_IN_FACTOR)
+
+#define SCROLL_TIME 150
+
+/*** Scrolling ***/
+static void ev_view_set_scroll_adjustments (GtkLayout *layout,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment);
+static void view_update_range_and_current_page (EvView *view);
+static void set_scroll_adjustment (EvView *view,
+ GtkOrientation orientation,
+ GtkAdjustment *adjustment);
+static void add_scroll_binding_keypad (GtkBindingSet *binding_set,
+ guint keyval,
+ GdkModifierType modifiers,
+ GtkScrollType scroll,
+ gboolean horizontal);
+static void ensure_rectangle_is_visible (EvView *view,
+ GdkRectangle *rect);
+
+/*** Geometry computations ***/
+static void compute_border (EvView *view,
+ int width,
+ int height,
+ GtkBorder *border);
+static void get_page_y_offset (EvView *view,
+ int page,
+ int *y_offset);
+static void view_rect_to_doc_rect (EvView *view,
+ GdkRectangle *view_rect,
+ GdkRectangle *page_area,
+ EvRectangle *doc_rect);
+static void doc_rect_to_view_rect (EvView *view,
+ int page,
+ EvRectangle *doc_rect,
+ GdkRectangle *view_rect);
+static gboolean get_dual_even_left (EvView *view);
+static void find_page_at_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_offset,
+ gint *y_offset);
+static void doc_point_to_view_point (EvView *view,
+ int page,
+ EvPoint *doc_point,
+ GdkPoint *view_point);
+/*** Hyperrefs ***/
+static EvLink * ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y);
+static char* tip_from_link (EvView *view,
+ EvLink *link);
+/*** Forms ***/
+static EvFormField *ev_view_get_form_field_at_location (EvView *view,
+ gdouble x,
+ gdouble y);
+
+/*** Annotations ***/
+static EvAnnotation *ev_view_get_annotation_at_location (EvView *view,
+ gdouble x,
+ gdouble y);
+static void show_annotation_windows (EvView *view,
+ gint page);
+static void hide_annotation_windows (EvView *view,
+ gint page);
+/*** GtkWidget implementation ***/
+static void ev_view_size_request_continuous_dual_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_continuous (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_dual_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request_single_page (EvView *view,
+ GtkRequisition *requisition);
+static void ev_view_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void ev_view_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void ev_view_realize (GtkWidget *widget);
+static gboolean ev_view_scroll_event (GtkWidget *widget,
+ GdkEventScroll *event);
+static gboolean ev_view_expose_event (GtkWidget *widget,
+ GdkEventExpose *event);
+static gboolean ev_view_popup_menu (GtkWidget *widget);
+static gboolean ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean ev_view_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event);
+static gboolean ev_view_button_release_event (GtkWidget *widget,
+ GdkEventButton *event);
+static gboolean ev_view_enter_notify_event (GtkWidget *widget,
+ GdkEventCrossing *event);
+static gboolean ev_view_leave_notify_event (GtkWidget *widget,
+ GdkEventCrossing *event);
+static void ev_view_style_set (GtkWidget *widget,
+ GtkStyle *old_style);
+static void ev_view_remove_all (EvView *view);
+
+static AtkObject *ev_view_get_accessible (GtkWidget *widget);
+
+/*** Drawing ***/
+static void highlight_find_results (EvView *view,
+ int page);
+static void highlight_forward_search_results (EvView *view,
+ int page);
+static void focus_annotation (EvView *view,
+ int page,
+ GdkRectangle *clip);
+static void draw_one_page (EvView *view,
+ gint page,
+ cairo_t *cr,
+ GdkRectangle *page_area,
+ GtkBorder *border,
+ GdkRectangle *expose_area,
+ gboolean *page_ready);
+static void show_loading_window (EvView *view);
+static void hide_loading_window (EvView *view);
+static void ev_view_reload_page (EvView *view,
+ gint page,
+ cairo_region_t *region);
+static void ev_view_loading_window_move (EvView *view);
+
+/*** Callbacks ***/
+static void ev_view_change_page (EvView *view,
+ gint new_page);
+static void job_finished_cb (EvPixbufCache *pixbuf_cache,
+ cairo_region_t *region,
+ EvView *view);
+static void ev_view_page_changed_cb (EvDocumentModel *model,
+ gint old_page,
+ gint new_page,
+ EvView *view);
+static void on_adjustment_value_changed (GtkAdjustment *adjustment,
+ EvView *view);
+
+/*** GObject ***/
+static void ev_view_finalize (GObject *object);
+static void ev_view_destroy (GtkObject *object);
+static void ev_view_class_init (EvViewClass *class);
+static void ev_view_init (EvView *view);
+
+/*** Zoom and sizing ***/
+static double zoom_for_size_fit_width (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height);
+static double zoom_for_size_fit_height (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height);
+static double zoom_for_size_best_fit (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height);
+static void ev_view_zoom_for_size (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_continuous (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_dual_page (EvView *view,
+ int width,
+ int height);
+static void ev_view_zoom_for_size_single_page (EvView *view,
+ int width,
+ int height);
+/*** Cursors ***/
+static void ev_view_set_cursor (EvView *view,
+ EvViewCursor new_cursor);
+static void ev_view_handle_cursor_over_xy (EvView *view,
+ gint x,
+ gint y);
+
+/*** Find ***/
+static gint ev_view_find_get_n_results (EvView *view,
+ gint page);
+static EvRectangle *ev_view_find_get_result (EvView *view,
+ gint page,
+ gint result);
+static void jump_to_find_result (EvView *view);
+static void jump_to_find_page (EvView *view,
+ EvViewFindDirection direction,
+ gint shift);
+/*** Selection ***/
+static void compute_selections (EvView *view,
+ EvSelectionStyle style,
+ GdkPoint *start,
+ GdkPoint *stop);
+static void clear_selection (EvView *view);
+static void clear_link_selected (EvView *view);
+static void selection_free (EvViewSelection *selection);
+static char* get_selected_text (EvView *ev_view);
+static void ev_view_primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data);
+static void ev_view_primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data);
+static void ev_view_update_primary_selection (EvView *ev_view);
+
+G_DEFINE_TYPE (EvView, ev_view, GTK_TYPE_LAYOUT)
+
+/* HeightToPage cache */
+#define EV_HEIGHT_TO_PAGE_CACHE_KEY "ev-height-to-page-cache"
+
+static void
+build_height_to_page (EvHeightToPageCache *cache,
+ EvDocument *document,
+ gint rotation)
+{
+ gboolean swap, uniform, dual_even_left;
+ int i;
+ double uniform_height, page_height, next_page_height;
+ double saved_height;
+ gdouble u_width, u_height;
+ gint n_pages;
+
+ swap = (rotation == 90 || rotation == 270);
+
+ uniform = ev_document_is_page_size_uniform (document);
+ n_pages = ev_document_get_n_pages (document);
+ dual_even_left = (n_pages > 2);
+
+ g_free (cache->height_to_page);
+ g_free (cache->dual_height_to_page);
+
+ cache->rotation = rotation;
+ cache->height_to_page = g_new0 (gdouble, n_pages + 1);
+ cache->dual_height_to_page = g_new0 (gdouble, n_pages + 2);
+
+ if (uniform)
+ ev_document_get_page_size (document, 0, &u_width, &u_height);
+
+ saved_height = 0;
+ for (i = 0; i <= n_pages; i++) {
+ if (uniform) {
+ uniform_height = swap ? u_width : u_height;
+ cache->height_to_page[i] = i * uniform_height;
+ } else {
+ if (i < n_pages) {
+ gdouble w, h;
+
+ ev_document_get_page_size (document, i, &w, &h);
+ page_height = swap ? w : h;
+ } else {
+ page_height = 0;
+ }
+ cache->height_to_page[i] = saved_height;
+ saved_height += page_height;
+ }
+ }
+
+ if (dual_even_left && !uniform) {
+ gdouble w, h;
+
+ ev_document_get_page_size (document, 0, &w, &h);
+ saved_height = swap ? w : h;
+ } else {
+ saved_height = 0;
+ }
+
+ for (i = dual_even_left; i < n_pages + 2; i += 2) {
+ if (uniform) {
+ uniform_height = swap ? u_width : u_height;
+ cache->dual_height_to_page[i] = ((i + dual_even_left) / 2) * uniform_height;
+ if (i + 1 < n_pages + 2)
+ cache->dual_height_to_page[i + 1] = ((i + dual_even_left) / 2) * uniform_height;
+ } else {
+ if (i + 1 < n_pages) {
+ gdouble w, h;
+
+ ev_document_get_page_size (document, i + 1, &w, &h);
+ next_page_height = swap ? w : h;
+ } else {
+ next_page_height = 0;
+ }
+
+ if (i < n_pages) {
+ gdouble w, h;
+
+ ev_document_get_page_size (document, i, &w, &h);
+ page_height = swap ? w : h;
+ } else {
+ page_height = 0;
+ }
+
+ if (i + 1 < n_pages + 2) {
+ cache->dual_height_to_page[i] = saved_height;
+ cache->dual_height_to_page[i + 1] = saved_height;
+ saved_height += MAX(page_height, next_page_height);
+ } else {
+ cache->dual_height_to_page[i] = saved_height;
+ }
+ }
+ }
+}
+
+static void
+ev_height_to_page_cache_get_height (EvHeightToPageCache *cache,
+ EvDocument *document,
+ gint page,
+ gint rotation,
+ gdouble *height,
+ gdouble *dual_height)
+{
+ if (cache->rotation != rotation)
+ build_height_to_page (cache, document, rotation);
+
+ *height = cache->height_to_page[page];
+ *dual_height = cache->dual_height_to_page[page];
+}
+
+static void
+ev_height_to_page_cache_free (EvHeightToPageCache *cache)
+{
+ if (cache->height_to_page) {
+ g_free (cache->height_to_page);
+ cache->height_to_page = NULL;
+ }
+
+ if (cache->dual_height_to_page) {
+ g_free (cache->dual_height_to_page);
+ cache->dual_height_to_page = NULL;
+ }
+ g_free (cache);
+}
+
+static EvHeightToPageCache *
+ev_view_get_height_to_page_cache (EvView *view)
+{
+ EvHeightToPageCache *cache;
+
+ if (!view->document)
+ return NULL;
+
+ cache = g_object_get_data (G_OBJECT (view->document), EV_HEIGHT_TO_PAGE_CACHE_KEY);
+ if (!cache) {
+ cache = g_new0 (EvHeightToPageCache, 1);
+ build_height_to_page (cache, view->document, view->rotation);
+ g_object_set_data_full (G_OBJECT (view->document),
+ EV_HEIGHT_TO_PAGE_CACHE_KEY,
+ cache,
+ (GDestroyNotify)ev_height_to_page_cache_free);
+ }
+
+ return cache;
+}
+
+static void
+ev_view_get_height_to_page (EvView *view,
+ gint page,
+ gint *height,
+ gint *dual_height)
+{
+ gdouble h, dh;
+
+ if (!view->height_to_page_cache)
+ return;
+
+ ev_height_to_page_cache_get_height (view->height_to_page_cache,
+ view->document,
+ page,
+ view->rotation,
+ &h, &dh);
+ if (height)
+ *height = (gint)(h * view->scale + 0.5);
+
+ if (dual_height)
+ *dual_height = (gint)(dh * view->scale + 0.5);
+}
+
+static gint
+ev_view_get_scrollbar_size (EvView *view,
+ GtkOrientation orientation)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkWidget *sb;
+ GtkWidget *swindow = gtk_widget_get_parent (GTK_WIDGET (view));
+ GtkAllocation allocation;
+ GtkRequisition req;
+ gint spacing;
+
+ if (!GTK_IS_SCROLLED_WINDOW (swindow))
+ return 0;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ if (orientation == GTK_ORIENTATION_VERTICAL) {
+ if (allocation.height >= view->requisition.height)
+ sb = gtk_scrolled_window_get_vscrollbar (GTK_SCROLLED_WINDOW (swindow));
+ else
+ return 0;
+ } else {
+ if (allocation.width >= view->requisition.width)
+ sb = gtk_scrolled_window_get_hscrollbar (GTK_SCROLLED_WINDOW (swindow));
+ else
+ return 0;
+ }
+
+ gtk_widget_style_get (swindow, "scrollbar_spacing", &spacing, NULL);
+ gtk_widget_size_request (sb, &req);
+
+ return (orientation == GTK_ORIENTATION_VERTICAL ? req.width : req.height) + spacing;
+}
+
+static void
+scroll_to_point (EvView *view,
+ gdouble x,
+ gdouble y,
+ GtkOrientation orientation)
+{
+ gdouble page_size;
+ gdouble upper, lower;
+
+ if (orientation == GTK_ORIENTATION_VERTICAL) {
+ page_size = gtk_adjustment_get_page_size (view->vadjustment);
+ upper = gtk_adjustment_get_upper (view->vadjustment);
+ lower = gtk_adjustment_get_lower (view->vadjustment);
+
+ if (view->continuous) {
+ gtk_adjustment_clamp_page (view->vadjustment,
+ y - view->spacing / 2,
+ y + page_size);
+ } else {
+ gtk_adjustment_set_value (view->vadjustment,
+ CLAMP (y, lower, upper - page_size));
+ }
+ } else {
+ page_size = gtk_adjustment_get_page_size (view->hadjustment);
+ upper = gtk_adjustment_get_upper (view->hadjustment);
+ lower = gtk_adjustment_get_lower (view->hadjustment);
+
+ if (view->dual_page) {
+ gtk_adjustment_clamp_page (view->hadjustment, x,
+ x + page_size);
+ } else {
+ gtk_adjustment_set_value (view->hadjustment,
+ CLAMP (x, lower, upper - page_size));
+ }
+ }
+}
+
+static void
+ev_view_scroll_to_page_position (EvView *view, GtkOrientation orientation)
+{
+ gdouble x, y;
+
+ if (!view->document)
+ return;
+
+ if ((orientation == GTK_ORIENTATION_VERTICAL && view->pending_point.y == 0) ||
+ (orientation == GTK_ORIENTATION_HORIZONTAL && view->pending_point.x == 0)) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ ev_view_get_page_extents (view, view->current_page, &page_area, &border);
+ x = page_area.x;
+ y = page_area.y;
+ } else {
+ GdkPoint view_point;
+
+ doc_point_to_view_point (view, view->current_page,
+ &view->pending_point, &view_point);
+ x = view_point.x;
+ y = view_point.y;
+ }
+
+ scroll_to_point (view, x, y, orientation);
+}
+
+static void
+view_set_adjustment_values (EvView *view,
+ GtkOrientation orientation)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkAdjustment *adjustment;
+ GtkAllocation allocation;
+ int req_size;
+ int alloc_size;
+ gdouble page_size;
+ gdouble value;
+ gdouble upper;
+ double factor;
+ gint new_value;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL) {
+ req_size = view->requisition.width;
+ alloc_size = allocation.width;
+ adjustment = view->hadjustment;
+ } else {
+ req_size = view->requisition.height;
+ alloc_size = allocation.height;
+ adjustment = view->vadjustment;
+ }
+
+ if (!adjustment)
+ return;
+
+ factor = 1.0;
+ value = gtk_adjustment_get_value (adjustment);
+ upper = gtk_adjustment_get_upper (adjustment);
+ page_size = gtk_adjustment_get_page_size (adjustment);
+
+ switch (view->pending_scroll) {
+ case SCROLL_TO_KEEP_POSITION:
+ case SCROLL_TO_FIND_LOCATION:
+ factor = value / upper;
+ break;
+ case SCROLL_TO_PAGE_POSITION:
+ break;
+ case SCROLL_TO_CENTER:
+ factor = (value + page_size * 0.5) / upper;
+ break;
+ }
+
+ upper = MAX (alloc_size, req_size);
+ page_size = alloc_size;
+
+ gtk_adjustment_set_page_size (adjustment, page_size);
+ gtk_adjustment_set_step_increment (adjustment, alloc_size * 0.1);
+ gtk_adjustment_set_page_increment (adjustment, alloc_size * 0.9);
+ gtk_adjustment_set_lower (adjustment, 0);
+ gtk_adjustment_set_upper (adjustment, upper);
+
+ /*
+ * We add 0.5 to the values before to average out our rounding errors.
+ */
+ switch (view->pending_scroll) {
+ case SCROLL_TO_KEEP_POSITION:
+ case SCROLL_TO_FIND_LOCATION:
+ new_value = CLAMP (upper * factor + 0.5, 0, upper - page_size);
+ gtk_adjustment_set_value (adjustment, (int)new_value);
+ break;
+ case SCROLL_TO_PAGE_POSITION:
+ ev_view_scroll_to_page_position (view, orientation);
+ break;
+ case SCROLL_TO_CENTER:
+ new_value = CLAMP (upper * factor - page_size * 0.5 + 0.5,
+ 0, upper - page_size);
+ gtk_adjustment_set_value (adjustment, (int)new_value);
+ break;
+ }
+
+ gtk_adjustment_changed (adjustment);
+}
+
+static void
+view_update_range_and_current_page (EvView *view)
+{
+ gint start = view->start_page;
+ gint end = view->end_page;
+
+ if (ev_document_get_n_pages (view->document) <= 0 ||
+ !ev_document_check_dimensions (view->document))
+ return;
+
+ if (view->continuous) {
+ GdkRectangle current_area, unused, page_area;
+ GtkBorder border;
+ gboolean found = FALSE;
+ gint area_max = -1, area;
+ gint best_current_page = -1;
+ int i, j = 0;
+
+ if (!(view->vadjustment && view->hadjustment))
+ return;
+
+ current_area.x = gtk_adjustment_get_value (view->hadjustment);
+ current_area.width = gtk_adjustment_get_page_size (view->hadjustment);
+ current_area.y = gtk_adjustment_get_value (view->vadjustment);
+ current_area.height = gtk_adjustment_get_page_size (view->vadjustment);
+
+ for (i = 0; i < ev_document_get_n_pages (view->document); i++) {
+
+ ev_view_get_page_extents (view, i, &page_area, &border);
+
+ if (gdk_rectangle_intersect (&current_area, &page_area, &unused)) {
+ area = unused.width * unused.height;
+
+ if (!found) {
+ area_max = area;
+ view->start_page = i;
+ found = TRUE;
+ best_current_page = i;
+ }
+ if (area > area_max) {
+ best_current_page = (area == area_max) ? MIN (i, best_current_page) : i;
+ area_max = area;
+ }
+
+ view->end_page = i;
+ j = 0;
+ } else if (found && view->current_page <= view->end_page) {
+ if (view->dual_page && j < 1) {
+ /* In dual mode we stop searching
+ * after two consecutive non-visible pages.
+ */
+ j++;
+ continue;
+ }
+ break;
+ }
+ }
+
+ if (view->pending_scroll == SCROLL_TO_KEEP_POSITION) {
+ best_current_page = MAX (best_current_page, view->start_page);
+
+ if (view->current_page != best_current_page) {
+ view->current_page = best_current_page;
+ hide_loading_window (view);
+ ev_document_model_set_page (view->model, best_current_page);
+ }
+ }
+ } else if (view->dual_page) {
+ if (view->current_page % 2 == get_dual_even_left (view)) {
+ view->start_page = view->current_page;
+ if (view->current_page + 1 < ev_document_get_n_pages (view->document))
+ view->end_page = view->start_page + 1;
+ else
+ view->end_page = view->start_page;
+ } else {
+ if (view->current_page < 1)
+ view->start_page = view->current_page;
+ else
+ view->start_page = view->current_page - 1;
+ view->end_page = view->current_page;
+ }
+ } else {
+ view->start_page = view->current_page;
+ view->end_page = view->current_page;
+ }
+
+ if (view->start_page == -1 || view->end_page == -1)
+ return;
+
+ if (start != view->start_page || end != view->end_page) {
+ gint i;
+
+ for (i = start; i < view->start_page && start != -1; i++) {
+ hide_annotation_windows (view, i);
+ }
+
+ for (i = end; i > view->end_page && end != -1; i--) {
+ hide_annotation_windows (view, i);
+ }
+ }
+
+ ev_page_cache_set_page_range (view->page_cache,
+ view->start_page,
+ view->end_page);
+ ev_pixbuf_cache_set_page_range (view->pixbuf_cache,
+ view->start_page,
+ view->end_page,
+ view->selection_info.selections);
+
+ if (ev_pixbuf_cache_get_surface (view->pixbuf_cache, view->current_page))
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static void
+set_scroll_adjustment (EvView *view,
+ GtkOrientation orientation,
+ GtkAdjustment *adjustment)
+{
+ GtkAdjustment **to_set;
+
+ if (orientation == GTK_ORIENTATION_HORIZONTAL)
+ to_set = &view->hadjustment;
+ else
+ to_set = &view->vadjustment;
+
+ if (*to_set != adjustment) {
+ if (*to_set) {
+ g_signal_handlers_disconnect_by_func (*to_set,
+ (gpointer) on_adjustment_value_changed,
+ view);
+ g_object_unref (*to_set);
+ }
+
+ *to_set = adjustment;
+ view_set_adjustment_values (view, orientation);
+
+ if (*to_set) {
+ g_object_ref (*to_set);
+ g_signal_connect (*to_set, "value_changed",
+ G_CALLBACK (on_adjustment_value_changed), view);
+ }
+ }
+}
+
+static void
+ev_view_set_scroll_adjustments (GtkLayout *layout,
+ GtkAdjustment *hadjustment,
+ GtkAdjustment *vadjustment)
+{
+ EvView *view = EV_VIEW (layout);
+
+ set_scroll_adjustment (view, GTK_ORIENTATION_HORIZONTAL, hadjustment);
+ set_scroll_adjustment (view, GTK_ORIENTATION_VERTICAL, vadjustment);
+
+ on_adjustment_value_changed (NULL, view);
+}
+
+static void
+add_scroll_binding_keypad (GtkBindingSet *binding_set,
+ guint keyval,
+ GdkModifierType modifiers,
+ GtkScrollType scroll,
+ gboolean horizontal)
+{
+ guint keypad_keyval = keyval - GDK_Left + GDK_KP_Left;
+
+ gtk_binding_entry_add_signal (binding_set, keyval, modifiers,
+ "binding_activated", 2,
+ GTK_TYPE_SCROLL_TYPE, scroll,
+ G_TYPE_BOOLEAN, horizontal);
+ gtk_binding_entry_add_signal (binding_set, keypad_keyval, modifiers,
+ "binding_activated", 2,
+ GTK_TYPE_SCROLL_TYPE, scroll,
+ G_TYPE_BOOLEAN, horizontal);
+}
+
+static gdouble
+compute_scroll_increment (EvView *view,
+ GtkScrollType scroll)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkAdjustment *adjustment = view->vadjustment;
+ cairo_region_t *text_region, *region;
+ GtkAllocation allocation;
+ gint page;
+ GdkRectangle rect;
+ EvRectangle doc_rect;
+ GdkRectangle page_area;
+ GtkBorder border;
+ gdouble fraction = 1.0;
+
+ if (scroll != GTK_SCROLL_PAGE_BACKWARD && scroll != GTK_SCROLL_PAGE_FORWARD)
+ return gtk_adjustment_get_page_size (adjustment);
+
+ page = scroll == GTK_SCROLL_PAGE_BACKWARD ? view->start_page : view->end_page;
+
+ text_region = ev_page_cache_get_text_mapping (view->page_cache, page);
+ if (!text_region || cairo_region_is_empty (text_region))
+ return gtk_adjustment_get_page_size (adjustment);
+
+ gtk_widget_get_allocation (widget, &allocation);
+ ev_view_get_page_extents (view, page, &page_area, &border);
+ rect.x = page_area.x + view->scroll_x;
+ rect.y = view->scroll_y + (scroll == GTK_SCROLL_PAGE_BACKWARD ? 5 : allocation.height - 5);
+ rect.width = page_area.width;
+ rect.height = 1;
+ view_rect_to_doc_rect (view, &rect, &page_area, &doc_rect);
+
+ /* Convert the doc rectangle into a GdkRectangle */
+ rect.x = doc_rect.x1;
+ rect.y = doc_rect.y1;
+ rect.width = doc_rect.x2 - doc_rect.x1;
+ rect.height = MAX (1, doc_rect.y2 - doc_rect.y1);
+ region = cairo_region_create_rectangle (&rect);
+
+ cairo_region_intersect (region, text_region);
+ if (cairo_region_num_rectangles (region)) {
+ EvRenderContext *rc;
+ EvPage *ev_page;
+ cairo_region_t *sel_region;
+
+ cairo_region_get_rectangle (region, 0, &rect);
+ ev_page = ev_document_get_page (view->document, page);
+ rc = ev_render_context_new (ev_page, view->rotation, view->scale);
+ g_object_unref (ev_page);
+ /* Get the selection region to know the height of the line */
+ doc_rect.x1 = doc_rect.x2 = rect.x + 0.5;
+ doc_rect.y1 = doc_rect.y2 = rect.y + 0.5;
+
+ ev_document_doc_mutex_lock ();
+ sel_region = ev_selection_get_selection_region (EV_SELECTION (view->document),
+ rc, EV_SELECTION_STYLE_LINE,
+ &doc_rect);
+ ev_document_doc_mutex_unlock ();
+
+ g_object_unref (rc);
+
+ if (cairo_region_num_rectangles (sel_region) > 0) {
+ cairo_region_get_rectangle (sel_region, 0, &rect);
+ fraction = 1 - (rect.height / gtk_adjustment_get_page_size (adjustment));
+ }
+ cairo_region_destroy (sel_region);
+ }
+ cairo_region_destroy (region);
+
+ return gtk_adjustment_get_page_size (adjustment) * fraction;
+
+}
+
+void
+ev_view_scroll (EvView *view,
+ GtkScrollType scroll,
+ gboolean horizontal)
+{
+ GtkAdjustment *adjustment;
+ double value, increment;
+ gdouble upper, lower;
+ gdouble page_size;
+ gdouble step_increment;
+ gboolean first_page = FALSE;
+ gboolean last_page = FALSE;
+
+ view->jump_to_find_result = FALSE;
+
+ if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ switch (scroll) {
+ case GTK_SCROLL_PAGE_BACKWARD:
+ case GTK_SCROLL_STEP_BACKWARD:
+ ev_view_previous_page (view);
+ break;
+ case GTK_SCROLL_PAGE_FORWARD:
+ case GTK_SCROLL_STEP_FORWARD:
+ ev_view_next_page (view);
+ break;
+ default:
+ break;
+ }
+ return;
+ }
+
+ /* Assign values for increment and vertical adjustment */
+ adjustment = horizontal ? view->hadjustment : view->vadjustment;
+ value = gtk_adjustment_get_value (adjustment);
+ upper = gtk_adjustment_get_upper (adjustment);
+ lower = gtk_adjustment_get_lower (adjustment);
+ page_size = gtk_adjustment_get_page_size (adjustment);
+ step_increment = gtk_adjustment_get_step_increment (adjustment);
+
+ /* Assign boolean for first and last page */
+ if (view->current_page == 0)
+ first_page = TRUE;
+ if (view->current_page == ev_document_get_n_pages (view->document) - 1)
+ last_page = TRUE;
+
+ switch (scroll) {
+ case GTK_SCROLL_PAGE_BACKWARD:
+ /* Do not jump backwards if at the first page */
+ if (value == lower && first_page) {
+ /* Do nothing */
+ /* At the top of a page, assign the upper bound limit of previous page */
+ } else if (value == lower) {
+ value = upper - page_size;
+ ev_view_previous_page (view);
+ /* Jump to the top */
+ } else {
+ increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_BACKWARD);
+ value = MAX (value - increment, lower);
+ }
+ break;
+ case GTK_SCROLL_PAGE_FORWARD:
+ /* Do not jump forward if at the last page */
+ if (value == (upper - page_size) && last_page) {
+ /* Do nothing */
+ /* At the bottom of a page, assign the lower bound limit of next page */
+ } else if (value == (upper - page_size)) {
+ value = 0;
+ ev_view_next_page (view);
+ /* Jump to the bottom */
+ } else {
+ increment = compute_scroll_increment (view, GTK_SCROLL_PAGE_FORWARD);
+ value = MIN (value + increment, upper - page_size);
+ }
+ break;
+ case GTK_SCROLL_STEP_BACKWARD:
+ value -= step_increment;
+ break;
+ case GTK_SCROLL_STEP_FORWARD:
+ value += step_increment;
+ break;
+ case GTK_SCROLL_STEP_DOWN:
+ value -= step_increment / 10;
+ break;
+ case GTK_SCROLL_STEP_UP:
+ value += step_increment / 10;
+ break;
+ default:
+ break;
+ }
+
+ value = CLAMP (value, lower, upper - page_size);
+
+ gtk_adjustment_set_value (adjustment, value);
+}
+
+#define MARGIN 5
+
+static void
+ensure_rectangle_is_visible (EvView *view, GdkRectangle *rect)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkAdjustment *adjustment;
+ GtkAllocation allocation;
+ gdouble adj_value;
+ int value;
+
+ view->pending_scroll = SCROLL_TO_FIND_LOCATION;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ adjustment = view->vadjustment;
+ adj_value = gtk_adjustment_get_value (adjustment);
+
+ if (rect->y < adj_value) {
+ value = MAX (gtk_adjustment_get_lower (adjustment), rect->y - MARGIN);
+ gtk_adjustment_set_value (view->vadjustment, value);
+ } else if (rect->y + rect->height > adj_value + allocation.height) {
+ value = MIN (gtk_adjustment_get_upper (adjustment), rect->y + rect->height -
+ allocation.height + MARGIN);
+ gtk_adjustment_set_value (view->vadjustment, value);
+ }
+
+ adjustment = view->hadjustment;
+ adj_value = gtk_adjustment_get_value (adjustment);
+
+ if (rect->x < adj_value) {
+ value = MAX (gtk_adjustment_get_lower (adjustment), rect->x - MARGIN);
+ gtk_adjustment_set_value (view->hadjustment, value);
+ } else if (rect->x + rect->height > adj_value + allocation.width) {
+ value = MIN (gtk_adjustment_get_upper (adjustment), rect->x + rect->width -
+ allocation.width + MARGIN);
+ gtk_adjustment_set_value (view->hadjustment, value);
+ }
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+/*** Geometry computations ***/
+
+static void
+compute_border (EvView *view, int width, int height, GtkBorder *border)
+{
+ ev_document_misc_get_page_border_size (width, height, border);
+}
+
+void
+_get_page_size_for_scale_and_rotation (EvDocument *document,
+ gint page,
+ gdouble scale,
+ gint rotation,
+ gint *page_width,
+ gint *page_height)
+{
+ gdouble w, h;
+ gint width, height;
+
+ ev_document_get_page_size (document, page, &w, &h);
+
+ width = (gint)(w * scale + 0.5);
+ height = (gint)(h * scale + 0.5);
+
+ if (page_width)
+ *page_width = (rotation == 0 || rotation == 180) ? width : height;
+ if (page_height)
+ *page_height = (rotation == 0 || rotation == 180) ? height : width;
+}
+
+static void
+ev_view_get_page_size (EvView *view,
+ gint page,
+ gint *page_width,
+ gint *page_height)
+{
+ _get_page_size_for_scale_and_rotation (view->document,
+ page,
+ view->scale,
+ view->rotation,
+ page_width,
+ page_height);
+}
+
+static void
+ev_view_get_max_page_size (EvView *view,
+ gint *max_width,
+ gint *max_height)
+{
+ double w, h;
+ gint width, height;
+
+ ev_document_get_max_page_size (view->document, &w, &h);
+
+ width = (gint)(w * view->scale + 0.5);
+ height = (gint)(h * view->scale + 0.5);
+
+ if (max_width)
+ *max_width = (view->rotation == 0 || view->rotation == 180) ? width : height;
+ if (max_height)
+ *max_height = (view->rotation == 0 || view->rotation == 180) ? height : width;
+}
+
+static void
+get_page_y_offset (EvView *view, int page, int *y_offset)
+{
+ int max_width, offset;
+ GtkBorder border;
+
+ g_return_if_fail (y_offset != NULL);
+
+ ev_view_get_max_page_size (view, &max_width, NULL);
+ compute_border (view, max_width, max_width, &border);
+
+ if (view->dual_page) {
+ ev_view_get_height_to_page (view, page, NULL, &offset);
+ offset += ((page + get_dual_even_left (view)) / 2 + 1) * view->spacing +
+ ((page + get_dual_even_left (view)) / 2 ) * (border.top + border.bottom);
+ } else {
+ ev_view_get_height_to_page (view, page, &offset, NULL);
+ offset += (page + 1) * view->spacing + page * (border.top + border.bottom);
+ }
+
+ *y_offset = offset;
+ return;
+}
+
+gboolean
+ev_view_get_page_extents (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border)
+{
+ GtkWidget *widget;
+ int width, height;
+ GtkAllocation allocation;
+
+ widget = GTK_WIDGET (view);
+ gtk_widget_get_allocation (widget, &allocation);
+
+ /* Get the size of the page */
+ ev_view_get_page_size (view, page, &width, &height);
+ compute_border (view, width, height, border);
+ page_area->width = width + border->left + border->right;
+ page_area->height = height + border->top + border->bottom;
+
+ if (view->continuous) {
+ gint max_width;
+ gint x, y;
+
+ ev_view_get_max_page_size (view, &max_width, NULL);
+ max_width = max_width + border->left + border->right;
+ /* Get the location of the bounding box */
+ if (view->dual_page) {
+ x = view->spacing + ((page % 2 == get_dual_even_left (view)) ? 0 : 1) * (max_width + view->spacing);
+ x = x + MAX (0, allocation.width - (max_width * 2 + view->spacing * 3)) / 2;
+ if (page % 2 == get_dual_even_left (view))
+ x = x + (max_width - width - border->left - border->right);
+ } else {
+ x = view->spacing;
+ x = x + MAX (0, allocation.width - (width + view->spacing * 2)) / 2;
+ }
+
+ get_page_y_offset (view, page, &y);
+
+ page_area->x = x;
+ page_area->y = y;
+ } else {
+ gint x, y;
+ if (view->dual_page) {
+ gint width_2, height_2;
+ gint max_width = width;
+ gint max_height = height;
+ GtkBorder overall_border;
+ gint other_page;
+
+ other_page = (page % 2 == get_dual_even_left (view)) ? page + 1: page - 1;
+
+ /* First, we get the bounding box of the two pages */
+ if (other_page < ev_document_get_n_pages (view->document)
+ && (0 <= other_page)) {
+ ev_view_get_page_size (view, other_page,
+ &width_2, &height_2);
+ if (width_2 > width)
+ max_width = width_2;
+ if (height_2 > height)
+ max_height = height_2;
+ }
+ compute_border (view, max_width, max_height, &overall_border);
+
+ /* Find the offsets */
+ x = view->spacing;
+ y = view->spacing;
+
+ /* Adjust for being the left or right page */
+ if (page % 2 == get_dual_even_left (view))
+ x = x + max_width - width;
+ else
+ x = x + (max_width + overall_border.left + overall_border.right) + view->spacing;
+
+ y = y + (max_height - height)/2;
+
+ /* Adjust for extra allocation */
+ x = x + MAX (0, allocation.width -
+ ((max_width + overall_border.left + overall_border.right) * 2 + view->spacing * 3))/2;
+ y = y + MAX (0, allocation.height - (height + view->spacing * 2))/2;
+ } else {
+ x = view->spacing;
+ y = view->spacing;
+
+ /* Adjust for extra allocation */
+ x = x + MAX (0, allocation.width - (width + border->left + border->right + view->spacing * 2))/2;
+ y = y + MAX (0, allocation.height - (height + border->top + border->bottom + view->spacing * 2))/2;
+ }
+
+ page_area->x = x;
+ page_area->y = y;
+ }
+
+ return TRUE;
+}
+
+static void
+get_doc_page_size (EvView *view,
+ gint page,
+ gdouble *width,
+ gdouble *height)
+{
+ double w, h;
+
+ ev_document_get_page_size (view->document, page, &w, &h);
+ if (view->rotation == 0 || view->rotation == 180) {
+ if (width) *width = w;
+ if (height) *height = h;
+ } else {
+ if (width) *width = h;
+ if (height) *height = w;
+ }
+}
+
+static void
+view_point_to_doc_point (EvView *view,
+ GdkPoint *view_point,
+ GdkRectangle *page_area,
+ double *doc_point_x,
+ double *doc_point_y)
+{
+ *doc_point_x = (double) (view_point->x - page_area->x) / view->scale;
+ *doc_point_y = (double) (view_point->y - page_area->y) / view->scale;
+}
+
+static void
+view_rect_to_doc_rect (EvView *view,
+ GdkRectangle *view_rect,
+ GdkRectangle *page_area,
+ EvRectangle *doc_rect)
+{
+ doc_rect->x1 = (double) (view_rect->x - page_area->x) / view->scale;
+ doc_rect->y1 = (double) (view_rect->y - page_area->y) / view->scale;
+ doc_rect->x2 = doc_rect->x1 + (double) view_rect->width / view->scale;
+ doc_rect->y2 = doc_rect->y1 + (double) view_rect->height / view->scale;
+}
+
+static void
+doc_point_to_view_point (EvView *view,
+ int page,
+ EvPoint *doc_point,
+ GdkPoint *view_point)
+{
+ GdkRectangle page_area;
+ GtkBorder border;
+ double x, y, view_x, view_y;
+ gdouble width, height;
+
+ get_doc_page_size (view, page, &width, &height);
+
+ if (view->rotation == 0) {
+ x = doc_point->x;
+ y = doc_point->y;
+ } else if (view->rotation == 90) {
+ x = width - doc_point->y;
+ y = doc_point->x;
+ } else if (view->rotation == 180) {
+ x = width - doc_point->x;
+ y = height - doc_point->y;
+ } else if (view->rotation == 270) {
+ x = doc_point->y;
+ y = height - doc_point->x;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ ev_view_get_page_extents (view, page, &page_area, &border);
+
+ view_x = CLAMP (x * view->scale, 0, page_area.width);
+ view_y = CLAMP (y * view->scale, 0, page_area.height);
+ view_point->x = view_x + page_area.x;
+ view_point->y = view_y + page_area.y;
+}
+
+static void
+doc_rect_to_view_rect (EvView *view,
+ int page,
+ EvRectangle *doc_rect,
+ GdkRectangle *view_rect)
+{
+ GdkRectangle page_area;
+ GtkBorder border;
+ double x, y, w, h;
+ gdouble width, height;
+
+ get_doc_page_size (view, page, &width, &height);
+
+ if (view->rotation == 0) {
+ x = doc_rect->x1;
+ y = doc_rect->y1;
+ w = doc_rect->x2 - doc_rect->x1;
+ h = doc_rect->y2 - doc_rect->y1;
+ } else if (view->rotation == 90) {
+ x = width - doc_rect->y2;
+ y = doc_rect->x1;
+ w = doc_rect->y2 - doc_rect->y1;
+ h = doc_rect->x2 - doc_rect->x1;
+ } else if (view->rotation == 180) {
+ x = width - doc_rect->x2;
+ y = height - doc_rect->y2;
+ w = doc_rect->x2 - doc_rect->x1;
+ h = doc_rect->y2 - doc_rect->y1;
+ } else if (view->rotation == 270) {
+ x = doc_rect->y1;
+ y = height - doc_rect->x2;
+ w = doc_rect->y2 - doc_rect->y1;
+ h = doc_rect->x2 - doc_rect->x1;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ ev_view_get_page_extents (view, page, &page_area, &border);
+
+ view_rect->x = x * view->scale + page_area.x;
+ view_rect->y = y * view->scale + page_area.y;
+ view_rect->width = w * view->scale;
+ view_rect->height = h * view->scale;
+}
+
+static gboolean
+get_dual_even_left (EvView *view)
+{
+ return (ev_document_get_n_pages (view->document) > 2);
+}
+
+static void
+find_page_at_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_offset,
+ gint *y_offset)
+{
+ int i;
+
+ if (view->document == NULL)
+ return;
+
+ g_assert (page);
+ g_assert (x_offset);
+ g_assert (y_offset);
+
+ for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (! ev_view_get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ if ((x >= page_area.x + border.left) &&
+ (x < page_area.x + page_area.width - border.right) &&
+ (y >= page_area.y + border.top) &&
+ (y < page_area.y + page_area.height - border.bottom)) {
+ *page = i;
+ *x_offset = x - (page_area.x + border.left);
+ *y_offset = y - (page_area.y + border.top);
+ return;
+ }
+ }
+
+ *page = -1;
+}
+
+static gboolean
+location_in_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ cairo_region_t *region;
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page == -1)
+ return FALSE;
+
+ region = ev_page_cache_get_text_mapping (view->page_cache, page);
+
+ if (region)
+ return cairo_region_contains_point (region, x_offset / view->scale, y_offset / view->scale);
+ else
+ return FALSE;
+}
+
+static gboolean
+location_in_selected_text (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_offset = 0, y_offset = 0;
+ EvViewSelection *selection;
+ GList *l = NULL;
+
+ for (l = view->selection_info.selections; l != NULL; l = l->next) {
+ selection = (EvViewSelection *)l->data;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ if (page != selection->page)
+ continue;
+
+ if (selection->covered_region &&
+ cairo_region_contains_point (selection->covered_region, x_offset, y_offset))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+get_doc_point_from_offset (EvView *view,
+ gint page,
+ gint x_offset,
+ gint y_offset,
+ gint *x_new,
+ gint *y_new)
+{
+ gdouble width, height;
+ double x, y;
+
+ get_doc_page_size (view, page, &width, &height);
+
+ x_offset = x_offset / view->scale;
+ y_offset = y_offset / view->scale;
+
+ if (view->rotation == 0) {
+ x = x_offset;
+ y = y_offset;
+ } else if (view->rotation == 90) {
+ x = y_offset;
+ y = width - x_offset;
+ } else if (view->rotation == 180) {
+ x = width - x_offset;
+ y = height - y_offset;
+ } else if (view->rotation == 270) {
+ x = height - y_offset;
+ y = x_offset;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ *x_new = x;
+ *y_new = y;
+
+ return TRUE;
+}
+
+static gboolean
+get_doc_point_from_location (EvView *view,
+ gdouble x,
+ gdouble y,
+ gint *page,
+ gint *x_new,
+ gint *y_new)
+{
+ gint x_offset = 0, y_offset = 0;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
+ find_page_at_location (view, x, y, page, &x_offset, &y_offset);
+ if (*page == -1)
+ return FALSE;
+
+ return get_doc_point_from_offset (view, *page, x_offset, y_offset, x_new, y_new);
+}
+
+static void
+ev_view_get_area_from_mapping (EvView *view,
+ guint page,
+ EvMappingList *mapping_list,
+ gconstpointer data,
+ GdkRectangle *area)
+{
+ EvMapping *mapping;
+
+ mapping = ev_mapping_list_find (mapping_list, data);
+ doc_rect_to_view_rect (view, page, &mapping->area, area);
+ area->x -= view->scroll_x;
+ area->y -= view->scroll_y;
+}
+
+
+/*** Hyperref ***/
+static EvLink *
+ev_view_get_link_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_new = 0, y_new = 0;
+ EvMappingList *link_mapping;
+
+ if (!EV_IS_DOCUMENT_LINKS (view->document))
+ return NULL;
+
+ if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
+ return NULL;
+
+ link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
+
+ if (link_mapping)
+ return ev_mapping_list_get_data (link_mapping, x_new, y_new);
+ else
+ return NULL;
+}
+
+static void
+goto_fitr_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ gdouble zoom, left, top;
+ gboolean change_left, change_top;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+
+ left = ev_link_dest_get_left (dest, &change_left);
+ top = ev_link_dest_get_top (dest, &change_top);
+
+ zoom = zoom_for_size_best_fit (ev_link_dest_get_right (dest) - left,
+ ev_link_dest_get_bottom (dest) - top,
+ allocation.width,
+ allocation.height);
+
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
+ ev_document_model_set_scale (view->model, zoom);
+
+ doc_point.x = change_left ? left : 0;
+ doc_point.y = change_top ? top : 0;
+ view->pending_point = doc_point;
+
+ ev_view_change_page (view, ev_link_dest_get_page (dest));
+}
+
+static void
+goto_fitv_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ gdouble doc_width, doc_height;
+ gint page;
+ double zoom, left;
+ gboolean change_left;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+
+ page = ev_link_dest_get_page (dest);
+ ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
+
+ left = ev_link_dest_get_left (dest, &change_left);
+ doc_point.x = change_left ? left : 0;
+ doc_point.y = 0;
+
+ zoom = zoom_for_size_fit_height (doc_width - doc_point.x , doc_height,
+ allocation.width,
+ allocation.height);
+
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
+ ev_document_model_set_scale (view->model, zoom);
+
+ view->pending_point = doc_point;
+
+ ev_view_change_page (view, page);
+}
+
+static void
+goto_fith_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ gdouble doc_width, doc_height;
+ gint page;
+ gdouble zoom, top;
+ gboolean change_top;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+
+ page = ev_link_dest_get_page (dest);
+ ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
+
+ top = ev_link_dest_get_top (dest, &change_top);
+
+ doc_point.x = 0;
+ doc_point.y = change_top ? top : 0;
+
+ zoom = zoom_for_size_fit_width (doc_width, top,
+ allocation.width,
+ allocation.height);
+
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_FIT_WIDTH);
+ ev_document_model_set_scale (view->model, zoom);
+
+ view->pending_point = doc_point;
+
+ ev_view_change_page (view, page);
+}
+
+static void
+goto_fit_dest (EvView *view, EvLinkDest *dest)
+{
+ double zoom;
+ gdouble doc_width, doc_height;
+ int page;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+
+ page = ev_link_dest_get_page (dest);
+ ev_document_get_page_size (view->document, page, &doc_width, &doc_height);
+
+ zoom = zoom_for_size_best_fit (doc_width, doc_height,
+ allocation.width,
+ allocation.height);
+
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_BEST_FIT);
+ ev_document_model_set_scale (view->model, zoom);
+
+ ev_view_change_page (view, page);
+}
+
+static void
+goto_xyz_dest (EvView *view, EvLinkDest *dest)
+{
+ EvPoint doc_point;
+ gint page;
+ gdouble zoom, left, top;
+ gboolean change_zoom, change_left, change_top;
+
+ zoom = ev_link_dest_get_zoom (dest, &change_zoom);
+ page = ev_link_dest_get_page (dest);
+
+ if (change_zoom && zoom > 1) {
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
+ ev_document_model_set_scale (view->model, zoom);
+ }
+
+ left = ev_link_dest_get_left (dest, &change_left);
+ top = ev_link_dest_get_top (dest, &change_top);
+
+ doc_point.x = change_left ? left : 0;
+ doc_point.y = change_top ? top : 0;
+ view->pending_point = doc_point;
+
+ ev_view_change_page (view, page);
+}
+
+static void
+goto_dest (EvView *view, EvLinkDest *dest)
+{
+ EvLinkDestType type;
+ int page, n_pages, current_page;
+
+ page = ev_link_dest_get_page (dest);
+ n_pages = ev_document_get_n_pages (view->document);
+
+ if (page < 0 || page >= n_pages)
+ return;
+
+ current_page = view->current_page;
+
+ type = ev_link_dest_get_dest_type (dest);
+
+ switch (type) {
+ case EV_LINK_DEST_TYPE_PAGE:
+ ev_document_model_set_page (view->model, page);
+ break;
+ case EV_LINK_DEST_TYPE_FIT:
+ goto_fit_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITH:
+ goto_fith_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITV:
+ goto_fitv_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_FITR:
+ goto_fitr_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_XYZ:
+ goto_xyz_dest (view, dest);
+ break;
+ case EV_LINK_DEST_TYPE_PAGE_LABEL:
+ ev_document_model_set_page_by_label (view->model, ev_link_dest_get_page_label (dest));
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+
+ if (current_page != view->current_page)
+ ev_document_model_set_page (view->model, view->current_page);
+}
+
+static void
+ev_view_goto_dest (EvView *view, EvLinkDest *dest)
+{
+ EvLinkDestType type;
+
+ type = ev_link_dest_get_dest_type (dest);
+
+ if (type == EV_LINK_DEST_TYPE_NAMED) {
+ EvLinkDest *dest2;
+ const gchar *named_dest;
+
+ named_dest = ev_link_dest_get_named_dest (dest);
+ dest2 = ev_document_links_find_link_dest (EV_DOCUMENT_LINKS (view->document),
+ named_dest);
+ if (dest2) {
+ goto_dest (view, dest2);
+ g_object_unref (dest2);
+ }
+
+ return;
+ }
+
+ goto_dest (view, dest);
+}
+
+void
+ev_view_handle_link (EvView *view, EvLink *link)
+{
+ EvLinkAction *action = NULL;
+ EvLinkActionType type;
+
+ action = ev_link_get_action (link);
+ if (!action)
+ return;
+
+ type = ev_link_action_get_action_type (action);
+
+ switch (type) {
+ case EV_LINK_ACTION_TYPE_GOTO_DEST: {
+ EvLinkDest *dest;
+
+ g_signal_emit (view, signals[SIGNAL_HANDLE_LINK], 0, link);
+
+ dest = ev_link_action_get_dest (action);
+ ev_view_goto_dest (view, dest);
+ }
+ break;
+ case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+ case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+ case EV_LINK_ACTION_TYPE_LAUNCH:
+ case EV_LINK_ACTION_TYPE_NAMED:
+ g_signal_emit (view, signals[SIGNAL_EXTERNAL_LINK], 0, action);
+ break;
+ }
+}
+
+static char *
+tip_from_action_named (EvLinkAction *action)
+{
+ const gchar *name = ev_link_action_get_name (action);
+
+ if (g_ascii_strcasecmp (name, "FirstPage") == 0) {
+ return g_strdup (_("Go to first page"));
+ } else if (g_ascii_strcasecmp (name, "PrevPage") == 0) {
+ return g_strdup (_("Go to previous page"));
+ } else if (g_ascii_strcasecmp (name, "NextPage") == 0) {
+ return g_strdup (_("Go to next page"));
+ } else if (g_ascii_strcasecmp (name, "LastPage") == 0) {
+ return g_strdup (_("Go to last page"));
+ } else if (g_ascii_strcasecmp (name, "GoToPage") == 0) {
+ return g_strdup (_("Go to page"));
+ } else if (g_ascii_strcasecmp (name, "Find") == 0) {
+ return g_strdup (_("Find"));
+ }
+
+ return NULL;
+}
+
+static char *
+tip_from_link (EvView *view, EvLink *link)
+{
+ EvLinkAction *action;
+ EvLinkActionType type;
+ char *msg = NULL;
+ char *page_label;
+ const char *title;
+
+ action = ev_link_get_action (link);
+ title = ev_link_get_title (link);
+
+ if (!action)
+ return title ? g_strdup (title) : NULL;
+
+ type = ev_link_action_get_action_type (action);
+
+ switch (type) {
+ case EV_LINK_ACTION_TYPE_GOTO_DEST:
+ page_label = ev_document_links_get_dest_page_label (EV_DOCUMENT_LINKS (view->document),
+ ev_link_action_get_dest (action));
+ if (page_label) {
+ msg = g_strdup_printf (_("Go to page %s"), page_label);
+ g_free (page_label);
+ }
+ break;
+ case EV_LINK_ACTION_TYPE_GOTO_REMOTE:
+ if (title) {
+ msg = g_strdup_printf (_("Go to %s on file “%s”"), title,
+ ev_link_action_get_filename (action));
+ } else {
+ msg = g_strdup_printf (_("Go to file “%s”"),
+ ev_link_action_get_filename (action));
+ }
+ break;
+ case EV_LINK_ACTION_TYPE_EXTERNAL_URI:
+ msg = g_strdup (ev_link_action_get_uri (action));
+ break;
+ case EV_LINK_ACTION_TYPE_LAUNCH:
+ msg = g_strdup_printf (_("Launch %s"),
+ ev_link_action_get_filename (action));
+ break;
+ case EV_LINK_ACTION_TYPE_NAMED:
+ msg = tip_from_action_named (action);
+ break;
+ default:
+ if (title)
+ msg = g_strdup (title);
+ break;
+ }
+
+ return msg;
+}
+
+static void
+ev_view_handle_cursor_over_xy (EvView *view, gint x, gint y)
+{
+ EvLink *link;
+ EvFormField *field;
+ EvAnnotation *annot = NULL;
+
+ if (view->cursor == EV_VIEW_CURSOR_HIDDEN)
+ return;
+
+ if (view->adding_annot) {
+ if (view->cursor != EV_VIEW_CURSOR_ADD)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
+ return;
+ }
+
+ if (view->drag_info.in_drag) {
+ if (view->cursor != EV_VIEW_CURSOR_DRAG)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
+ return;
+ }
+
+ if (view->scroll_info.autoscrolling) {
+ if (view->cursor != EV_VIEW_CURSOR_AUTOSCROLL)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_AUTOSCROLL);
+ return;
+ }
+
+ link = ev_view_get_link_at_location (view, x, y);
+ if (link) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ } else if ((field = ev_view_get_form_field_at_location (view, x, y))) {
+ if (field->is_read_only) {
+ if (view->cursor == EV_VIEW_CURSOR_LINK ||
+ view->cursor == EV_VIEW_CURSOR_IBEAM ||
+ view->cursor == EV_VIEW_CURSOR_DRAG)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ } else if (EV_IS_FORM_FIELD_TEXT (field)) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
+ } else {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ }
+ } else if ((annot = ev_view_get_annotation_at_location (view, x, y))) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_LINK);
+ } else if (location_in_text (view, x + view->scroll_x, y + view->scroll_y)) {
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_IBEAM);
+ } else {
+ if (view->cursor == EV_VIEW_CURSOR_LINK ||
+ view->cursor == EV_VIEW_CURSOR_IBEAM ||
+ view->cursor == EV_VIEW_CURSOR_DRAG ||
+ view->cursor == EV_VIEW_CURSOR_AUTOSCROLL ||
+ view->cursor == EV_VIEW_CURSOR_ADD)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+ }
+
+ if (link || annot)
+ g_object_set (view, "has-tooltip", TRUE, NULL);
+}
+
+/*** Images ***/
+static EvImage *
+ev_view_get_image_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_new = 0, y_new = 0;
+ EvMappingList *image_mapping;
+
+ if (!EV_IS_DOCUMENT_IMAGES (view->document))
+ return NULL;
+
+ if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
+ return NULL;
+
+ image_mapping = ev_page_cache_get_image_mapping (view->page_cache, page);
+
+ if (image_mapping)
+ return ev_mapping_list_get_data (image_mapping, x_new, y_new);
+ else
+ return NULL;
+}
+
+/*** Forms ***/
+static EvFormField *
+ev_view_get_form_field_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_new = 0, y_new = 0;
+ EvMappingList *forms_mapping;
+
+ if (!EV_IS_DOCUMENT_FORMS (view->document))
+ return NULL;
+
+ if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
+ return NULL;
+
+ forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache, page);
+
+ if (forms_mapping)
+ return ev_mapping_list_get_data (forms_mapping, x_new, y_new);
+ else
+ return NULL;
+}
+
+static cairo_region_t *
+ev_view_form_field_get_region (EvView *view,
+ EvFormField *field)
+{
+ GdkRectangle view_area;
+ EvMappingList *forms_mapping;
+
+ forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
+ field->page->index);
+ ev_view_get_area_from_mapping (view, field->page->index,
+ forms_mapping,
+ field, &view_area);
+
+ return cairo_region_create_rectangle (&view_area);
+}
+
+static gboolean
+ev_view_forms_remove_widgets (EvView *view)
+{
+ ev_view_remove_all (view);
+
+ return FALSE;
+}
+
+static void
+ev_view_form_field_destroy (GtkWidget *widget,
+ EvView *view)
+{
+ g_idle_add ((GSourceFunc)ev_view_forms_remove_widgets, view);
+}
+
+static GtkWidget *
+ev_view_form_field_button_create_widget (EvView *view,
+ EvFormField *field)
+{
+ EvFormFieldButton *field_button = EV_FORM_FIELD_BUTTON (field);
+ cairo_region_t *field_region = NULL;
+
+ switch (field_button->type) {
+ case EV_FORM_FIELD_BUTTON_PUSH:
+ return NULL;
+ case EV_FORM_FIELD_BUTTON_CHECK:
+ case EV_FORM_FIELD_BUTTON_RADIO: {
+ gboolean state;
+ EvMappingList *forms_mapping;
+ GList *l;
+
+ state = ev_document_forms_form_field_button_get_state (EV_DOCUMENT_FORMS (view->document),
+ field);
+
+ /* FIXME: it actually depends on NoToggleToOff flags */
+ if (field_button->type == EV_FORM_FIELD_BUTTON_RADIO &&
+ state && field_button->state)
+ return NULL;
+
+ field_region = ev_view_form_field_get_region (view, field);
+
+ /* For radio buttons and checkbox buttons that are in a set
+ * we need to update also the region for the current selected item
+ */
+ forms_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
+ field->page->index);
+ for (l = ev_mapping_list_get_list (forms_mapping); l; l = g_list_next (l)) {
+ EvFormField *button = ((EvMapping *)(l->data))->data;
+ cairo_region_t *button_region;
+
+ if (button->id == field->id)
+ continue;
+
+ /* FIXME: only buttons in the same group should be updated */
+ if (!EV_IS_FORM_FIELD_BUTTON (button) ||
+ EV_FORM_FIELD_BUTTON (button)->type != field_button->type ||
+ EV_FORM_FIELD_BUTTON (button)->state != TRUE)
+ continue;
+
+ button_region = ev_view_form_field_get_region (view, button);
+ cairo_region_union (field_region, button_region);
+ cairo_region_destroy (button_region);
+ }
+
+ ev_document_forms_form_field_button_set_state (EV_DOCUMENT_FORMS (view->document),
+ field, !state);
+ field_button->state = !state;
+ }
+ break;
+ }
+
+ ev_view_reload_page (view, field->page->index, field_region);
+ cairo_region_destroy (field_region);
+
+ return NULL;
+}
+
+static void
+ev_view_form_field_text_save (EvView *view,
+ GtkWidget *widget)
+{
+ EvFormField *field;
+
+ if (!view->document)
+ return;
+
+ field = g_object_get_data (G_OBJECT (widget), "form-field");
+
+ if (field->changed) {
+ EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
+ cairo_region_t *field_region;
+
+ field_region = ev_view_form_field_get_region (view, field);
+
+ ev_document_forms_form_field_text_set_text (EV_DOCUMENT_FORMS (view->document),
+ field, field_text->text);
+ field->changed = FALSE;
+ ev_view_reload_page (view, field->page->index, field_region);
+ cairo_region_destroy (field_region);
+ }
+}
+
+static void
+ev_view_form_field_text_changed (GtkWidget *widget,
+ EvFormField *field)
+{
+ EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
+ gchar *text = NULL;
+
+ if (GTK_IS_ENTRY (widget)) {
+ text = g_strdup (gtk_entry_get_text (GTK_ENTRY (widget)));
+ } else if (GTK_IS_TEXT_BUFFER (widget)) {
+ GtkTextIter start, end;
+
+ gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (widget), &start, &end);
+ text = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (widget),
+ &start, &end, FALSE);
+ }
+
+ if (!field_text->text ||
+ (field_text->text && g_ascii_strcasecmp (field_text->text, text) != 0)) {
+ g_free (field_text->text);
+ field_text->text = text;
+ field->changed = TRUE;
+ }
+}
+
+static GtkWidget *
+ev_view_form_field_text_create_widget (EvView *view,
+ EvFormField *field)
+{
+ EvFormFieldText *field_text = EV_FORM_FIELD_TEXT (field);
+ GtkWidget *text = NULL;
+ gchar *txt;
+
+ txt = ev_document_forms_form_field_text_get_text (EV_DOCUMENT_FORMS (view->document),
+ field);
+
+ switch (field_text->type) {
+ case EV_FORM_FIELD_TEXT_FILE_SELECT:
+ /* TODO */
+ case EV_FORM_FIELD_TEXT_NORMAL:
+ text = gtk_entry_new ();
+ gtk_entry_set_has_frame (GTK_ENTRY (text), FALSE);
+ gtk_entry_set_max_length (GTK_ENTRY (text), field_text->max_len);
+ gtk_entry_set_visibility (GTK_ENTRY (text), !field_text->is_password);
+
+ if (txt) {
+ gtk_entry_set_text (GTK_ENTRY (text), txt);
+ g_free (txt);
+ }
+
+ g_signal_connect (text, "changed",
+ G_CALLBACK (ev_view_form_field_text_changed),
+ field);
+ g_signal_connect_after (text, "activate",
+ G_CALLBACK (ev_view_form_field_destroy),
+ view);
+ break;
+ case EV_FORM_FIELD_TEXT_MULTILINE: {
+ GtkTextBuffer *buffer;
+
+ text = gtk_text_view_new ();
+ buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (text));
+
+ if (txt) {
+ gtk_text_buffer_set_text (buffer, txt, -1);
+ g_free (txt);
+ }
+
+ g_signal_connect (buffer, "changed",
+ G_CALLBACK (ev_view_form_field_text_changed),
+ field);
+ }
+ break;
+ }
+
+ g_object_weak_ref (G_OBJECT (text),
+ (GWeakNotify)ev_view_form_field_text_save,
+ view);
+
+ return text;
+}
+
+static void
+ev_view_form_field_choice_save (EvView *view,
+ GtkWidget *widget)
+{
+ EvFormField *field;
+
+ if (!view->document)
+ return;
+
+ field = g_object_get_data (G_OBJECT (widget), "form-field");
+
+ if (field->changed) {
+ GList *l;
+ EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
+ cairo_region_t *field_region;
+
+ field_region = ev_view_form_field_get_region (view, field);
+
+ if (field_choice->is_editable) {
+ ev_document_forms_form_field_choice_set_text (EV_DOCUMENT_FORMS (view->document),
+ field, field_choice->text);
+ } else {
+ ev_document_forms_form_field_choice_unselect_all (EV_DOCUMENT_FORMS (view->document), field);
+ for (l = field_choice->selected_items; l; l = g_list_next (l)) {
+ ev_document_forms_form_field_choice_select_item (EV_DOCUMENT_FORMS (view->document),
+ field,
+ GPOINTER_TO_INT (l->data));
+ }
+ }
+ field->changed = FALSE;
+ ev_view_reload_page (view, field->page->index, field_region);
+ cairo_region_destroy (field_region);
+ }
+}
+
+static void
+ev_view_form_field_choice_changed (GtkWidget *widget,
+ EvFormField *field)
+{
+ EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
+
+ if (GTK_IS_COMBO_BOX (widget)) {
+ gint item;
+
+ item = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
+ if (!field_choice->selected_items ||
+ GPOINTER_TO_INT (field_choice->selected_items->data) != item) {
+ g_list_free (field_choice->selected_items);
+ field_choice->selected_items = NULL;
+ field_choice->selected_items = g_list_prepend (field_choice->selected_items,
+ GINT_TO_POINTER (item));
+ field->changed = TRUE;
+ }
+
+ if (GTK_IS_COMBO_BOX_ENTRY (widget)) {
+ gchar *text;
+
+ text = gtk_combo_box_get_active_text (GTK_COMBO_BOX (widget));
+ if (!field_choice->text ||
+ (field_choice->text && g_ascii_strcasecmp (field_choice->text, text) != 0)) {
+ g_free (field_choice->text);
+ field_choice->text = text;
+ field->changed = TRUE;
+ }
+ }
+ } else if (GTK_IS_TREE_SELECTION (widget)) {
+ GtkTreeSelection *selection = GTK_TREE_SELECTION (widget);
+ GtkTreeModel *model;
+ GList *items, *l;
+
+ items = gtk_tree_selection_get_selected_rows (selection, &model);
+ g_list_free (field_choice->selected_items);
+ field_choice->selected_items = NULL;
+
+ for (l = items; l && l->data; l = g_list_next (l)) {
+ GtkTreeIter iter;
+ GtkTreePath *path = (GtkTreePath *)l->data;
+ gint item;
+
+ gtk_tree_model_get_iter (model, &iter, path);
+ gtk_tree_model_get (model, &iter, 1, &item, -1);
+
+ field_choice->selected_items = g_list_prepend (field_choice->selected_items,
+ GINT_TO_POINTER (item));
+
+ gtk_tree_path_free (path);
+ }
+
+ g_list_free (items);
+
+ field->changed = TRUE;
+ }
+}
+
+static GtkWidget *
+ev_view_form_field_choice_create_widget (EvView *view,
+ EvFormField *field)
+{
+ EvFormFieldChoice *field_choice = EV_FORM_FIELD_CHOICE (field);
+ GtkWidget *choice;
+ GtkTreeModel *model;
+ gint n_items, i;
+ gint selected_item = 0;
+
+ n_items = ev_document_forms_form_field_choice_get_n_items (EV_DOCUMENT_FORMS (view->document),
+ field);
+ model = GTK_TREE_MODEL (gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_INT));
+ for (i = 0; i < n_items; i++) {
+ GtkTreeIter iter;
+ gchar *item;
+
+ item = ev_document_forms_form_field_choice_get_item (EV_DOCUMENT_FORMS (view->document),
+ field, i);
+ if (ev_document_forms_form_field_choice_is_item_selected (
+ EV_DOCUMENT_FORMS (view->document), field, i)) {
+ selected_item = i;
+ /* FIXME: we need a get_selected_items function in poppler */
+ field_choice->selected_items = g_list_prepend (field_choice->selected_items,
+ GINT_TO_POINTER (i));
+ }
+
+ if (item) {
+ gtk_list_store_append (GTK_LIST_STORE (model), &iter);
+ gtk_list_store_set (GTK_LIST_STORE (model), &iter,
+ 0, item,
+ 1, i,
+ -1);
+ g_free (item);
+ }
+ }
+
+ if (field_choice->type == EV_FORM_FIELD_CHOICE_LIST) {
+ GtkCellRenderer *renderer;
+ GtkWidget *tree_view;
+ GtkTreeSelection *selection;
+
+ tree_view = gtk_tree_view_new_with_model (model);
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (tree_view), FALSE);
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree_view));
+ if (field_choice->multi_select) {
+ gtk_tree_selection_set_mode (selection, GTK_SELECTION_MULTIPLE);
+ }
+
+ /* TODO: set selected items */
+
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree_view),
+ 0,
+ "choix", renderer,
+ "text", 0,
+ NULL);
+
+ choice = gtk_scrolled_window_new (NULL, NULL);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (choice),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_container_add (GTK_CONTAINER (choice), tree_view);
+ gtk_widget_show (tree_view);
+
+ g_signal_connect (selection, "changed",
+ G_CALLBACK (ev_view_form_field_choice_changed),
+ field);
+ g_signal_connect_after (selection, "changed",
+ G_CALLBACK (ev_view_form_field_destroy),
+ view);
+ } else if (field_choice->is_editable) { /* ComboBoxEntry */
+ gchar *text;
+
+ choice = gtk_combo_box_entry_new_with_model (model, 0);
+ text = ev_document_forms_form_field_choice_get_text (EV_DOCUMENT_FORMS (view->document), field);
+ if (text) {
+ gtk_entry_set_text (GTK_ENTRY (gtk_bin_get_child (GTK_BIN (choice))), text);
+ g_free (text);
+ }
+
+ g_signal_connect (choice, "changed",
+ G_CALLBACK (ev_view_form_field_choice_changed),
+ field);
+ g_signal_connect_after (gtk_bin_get_child (GTK_BIN (choice)),
+ "activate",
+ G_CALLBACK (ev_view_form_field_destroy),
+ view);
+ } else { /* ComboBoxText */
+ GtkCellRenderer *renderer;
+
+ choice = gtk_combo_box_new_with_model (model);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (choice),
+ renderer, TRUE);
+ gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (choice),
+ renderer,
+ "text", 0,
+ NULL);
+ gtk_combo_box_set_active (GTK_COMBO_BOX (choice), selected_item);
+ gtk_combo_box_popup (GTK_COMBO_BOX (choice));
+
+ g_signal_connect (choice, "changed",
+ G_CALLBACK (ev_view_form_field_choice_changed),
+ field);
+ g_signal_connect_after (choice, "changed",
+ G_CALLBACK (ev_view_form_field_destroy),
+ view);
+ }
+
+ g_object_unref (model);
+
+ g_object_weak_ref (G_OBJECT (choice),
+ (GWeakNotify)ev_view_form_field_choice_save,
+ view);
+
+ return choice;
+}
+
+static void
+ev_view_handle_form_field (EvView *view,
+ EvFormField *field,
+ gdouble x,
+ gdouble y)
+{
+ GtkWidget *field_widget = NULL;
+ EvMappingList *form_field_mapping;
+ GdkRectangle view_area;
+
+ if (field->is_read_only)
+ return;
+
+ if (EV_IS_FORM_FIELD_BUTTON (field)) {
+ field_widget = ev_view_form_field_button_create_widget (view, field);
+ } else if (EV_IS_FORM_FIELD_TEXT (field)) {
+ field_widget = ev_view_form_field_text_create_widget (view, field);
+ } else if (EV_IS_FORM_FIELD_CHOICE (field)) {
+ field_widget = ev_view_form_field_choice_create_widget (view, field);
+ } else if (EV_IS_FORM_FIELD_SIGNATURE (field)) {
+ /* TODO */
+ }
+
+ /* Form field doesn't require a widget */
+ if (!field_widget)
+ return;
+
+ g_object_set_data_full (G_OBJECT (field_widget), "form-field",
+ g_object_ref (field),
+ (GDestroyNotify)g_object_unref);
+
+ form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
+ field->page->index);
+ ev_view_get_area_from_mapping (view, field->page->index,
+ form_field_mapping,
+ field, &view_area);
+
+ gtk_layout_put (GTK_LAYOUT (view), field_widget, view_area.x, view_area.y);
+ gtk_widget_show (field_widget);
+ gtk_widget_grab_focus (field_widget);
+}
+
+/* Annotations */
+static EvViewWindowChild *
+ev_view_get_window_child (EvView *view,
+ GtkWidget *window)
+{
+ GList *children = view->window_children;
+
+ while (children) {
+ EvViewWindowChild *child;
+
+ child = (EvViewWindowChild *)children->data;
+ children = children->next;
+
+ if (child->window == window)
+ return child;
+ }
+
+ return NULL;
+}
+
+static void
+ev_view_window_child_move (EvView *view,
+ EvViewWindowChild *child,
+ gint x,
+ gint y)
+{
+ GtkAllocation allocation;
+ gint width, height;
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+ gtk_window_get_size (GTK_WINDOW (child->window), &width, &height);
+
+ child->x = x;
+ child->y = y;
+ gtk_window_move (GTK_WINDOW (child->window),
+ CLAMP (x, child->parent_x,
+ child->parent_x + allocation.width - width),
+ CLAMP (y, child->parent_y,
+ child->parent_y + allocation.height - height));
+}
+
+static void
+ev_view_window_child_move_with_parent (EvView *view,
+ GtkWidget *window)
+{
+ EvViewWindowChild *child;
+ gint root_x, root_y;
+
+ child = ev_view_get_window_child (view, window);
+ gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
+ &root_x, &root_y);
+ if (root_x != child->parent_x || root_y != child->parent_y) {
+ gint dest_x, dest_y;
+
+ dest_x = child->x + (root_x - child->parent_x);
+ dest_y = child->y + (root_y - child->parent_y);
+ child->parent_x = root_x;
+ child->parent_y = root_y;
+ ev_view_window_child_move (view, child, dest_x, dest_y);
+ }
+
+ if (child->visible && !gtk_widget_get_visible (window))
+ gtk_widget_show (window);
+}
+
+static void
+ev_view_window_child_put (EvView *view,
+ GtkWidget *window,
+ guint page,
+ gint x,
+ gint y,
+ gdouble orig_x,
+ gdouble orig_y)
+{
+ EvViewWindowChild *child;
+ gint root_x, root_y;
+
+ gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
+ &root_x, &root_y);
+
+ child = g_new0 (EvViewWindowChild, 1);
+ child->window = window;
+ child->page = page;
+ child->orig_x = orig_x;
+ child->orig_y = orig_y;
+ child->parent_x = root_x;
+ child->parent_y = root_y;
+ child->visible = ev_annotation_window_is_open (EV_ANNOTATION_WINDOW (window));
+ ev_view_window_child_move (view, child, x + root_x, y + root_y);
+
+ if (child->visible)
+ gtk_widget_show (window);
+ else
+ gtk_widget_hide (window);
+
+ view->window_children = g_list_append (view->window_children, child);
+}
+
+static EvViewWindowChild *
+ev_view_find_window_child_for_annot (EvView *view,
+ guint page,
+ EvAnnotation *annot)
+{
+ GList *children = view->window_children;
+
+ while (children) {
+ EvViewWindowChild *child;
+ EvAnnotation *wannot;
+
+ child = (EvViewWindowChild *)children->data;
+ children = children->next;
+
+ if (child->page != page)
+ continue;
+
+ wannot = ev_annotation_window_get_annotation (EV_ANNOTATION_WINDOW (child->window));
+ if (ev_annotation_equal (wannot, annot))
+ return child;
+ }
+
+ return NULL;
+}
+
+static void
+ev_view_window_children_free (EvView *view)
+{
+ GList *l;
+
+ if (!view->window_children)
+ return;
+
+ for (l = view->window_children; l && l->data; l = g_list_next (l)) {
+ EvViewWindowChild *child;
+
+ child = (EvViewWindowChild *)l->data;
+ gtk_widget_destroy (GTK_WIDGET (child->window));
+ g_free (child);
+ }
+ g_list_free (view->window_children);
+ view->window_children = NULL;
+ view->window_child_focus = NULL;
+}
+
+static void
+annotation_window_grab_focus (GtkWidget *widget,
+ EvView *view)
+{
+ if (view->window_child_focus)
+ ev_annotation_window_ungrab_focus (EV_ANNOTATION_WINDOW (view->window_child_focus->window));
+ view->window_child_focus = ev_view_get_window_child (view, widget);
+}
+
+static void
+annotation_window_closed (EvAnnotationWindow *window,
+ EvView *view)
+{
+ EvViewWindowChild *child;
+
+ child = ev_view_get_window_child (view, GTK_WIDGET (window));
+ child->visible = FALSE;
+}
+
+static void
+annotation_window_moved (EvAnnotationWindow *window,
+ gint x,
+ gint y,
+ EvView *view)
+{
+ EvViewWindowChild *child;
+ GdkRectangle page_area;
+ GtkBorder border;
+ GdkRectangle view_rect;
+ EvRectangle doc_rect;
+ gint width, height;
+
+ child = ev_view_get_window_child (view, GTK_WIDGET (window));
+ if (child->x == x && child->y == y)
+ return;
+
+ child->moved = TRUE;
+ child->x = x;
+ child->y = y;
+
+ /* Window has been moved by the user,
+ * we have to set a new origin in doc coords
+ */
+ gtk_window_get_size (GTK_WINDOW (window), &width, &height);
+ view_rect.x = (x - child->parent_x) + view->scroll_x;
+ view_rect.y = (y - child->parent_y) + view->scroll_y;
+ view_rect.width = width;
+ view_rect.height = height;
+
+ ev_view_get_page_extents (view, child->page, &page_area, &border);
+ view_rect_to_doc_rect (view, &view_rect, &page_area, &doc_rect);
+ child->orig_x = doc_rect.x1;
+ child->orig_y = doc_rect.y1;
+}
+
+static void
+ev_view_annotation_save_contents (EvView *view,
+ GParamSpec *pspec,
+ EvAnnotation *annot)
+{
+ if (!view->document)
+ return;
+
+ ev_document_doc_mutex_lock ();
+ ev_document_annotations_save_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
+ annot, EV_ANNOTATIONS_SAVE_CONTENTS);
+ ev_document_doc_mutex_unlock ();
+}
+
+static GtkWidget *
+ev_view_create_annotation_window (EvView *view,
+ EvAnnotation *annot,
+ GtkWindow *parent)
+{
+ GtkWidget *window;
+ EvRectangle doc_rect;
+ GdkRectangle view_rect;
+ guint page;
+
+ window = ev_annotation_window_new (annot, parent);
+ g_signal_connect (window, "grab_focus",
+ G_CALLBACK (annotation_window_grab_focus),
+ view);
+ g_signal_connect (window, "closed",
+ G_CALLBACK (annotation_window_closed),
+ view);
+ g_signal_connect (window, "moved",
+ G_CALLBACK (annotation_window_moved),
+ view);
+ g_signal_connect_swapped (annot, "notify::contents",
+ G_CALLBACK (ev_view_annotation_save_contents),
+ view);
+ g_object_set_data (G_OBJECT (annot), "popup", window);
+
+ page = ev_annotation_get_page_index (annot);
+ ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (window), &doc_rect);
+ doc_rect_to_view_rect (view, page, &doc_rect, &view_rect);
+ view_rect.x -= view->scroll_x;
+ view_rect.y -= view->scroll_y;
+
+ ev_view_window_child_put (view, window, page,
+ view_rect.x, view_rect.y,
+ doc_rect.x1, doc_rect.y1);
+
+ return window;
+}
+
+static void
+show_annotation_windows (EvView *view,
+ gint page)
+{
+ EvMappingList *annots;
+ GList *l;
+ GtkWindow *parent;
+
+ parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
+
+ annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
+
+ for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
+ EvAnnotation *annot;
+ EvViewWindowChild *child;
+ GtkWidget *window;
+
+ annot = ((EvMapping *)(l->data))->data;
+
+ if (!EV_IS_ANNOTATION_MARKUP (annot))
+ continue;
+
+ if (!ev_annotation_markup_has_popup (EV_ANNOTATION_MARKUP (annot)))
+ continue;
+
+ window = g_object_get_data (G_OBJECT (annot), "popup");
+ if (window) {
+ ev_view_window_child_move_with_parent (view, window);
+ continue;
+ }
+
+ /* Look if we already have a popup for this annot */
+ child = ev_view_find_window_child_for_annot (view, page, annot);
+ window = child ? child->window : NULL;
+ if (window) {
+ ev_annotation_window_set_annotation (EV_ANNOTATION_WINDOW (window), annot);
+ g_object_set_data (G_OBJECT (annot), "popup", window);
+ ev_view_window_child_move_with_parent (view, window);
+ } else {
+ ev_view_create_annotation_window (view, annot, parent);
+ }
+ }
+}
+
+static void
+hide_annotation_windows (EvView *view,
+ gint page)
+{
+ EvMappingList *annots;
+ GList *l;
+
+ annots = ev_page_cache_get_annot_mapping (view->page_cache, page);
+
+ for (l = ev_mapping_list_get_list (annots); l && l->data; l = g_list_next (l)) {
+ EvAnnotation *annot;
+ GtkWidget *window;
+
+ annot = ((EvMapping *)(l->data))->data;
+
+ if (!EV_IS_ANNOTATION_MARKUP (annot))
+ continue;
+
+ window = g_object_get_data (G_OBJECT (annot), "popup");
+ if (window)
+ gtk_widget_hide (window);
+ }
+}
+
+static EvAnnotation *
+ev_view_get_annotation_at_location (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_new = 0, y_new = 0;
+ EvMappingList *annotations_mapping;
+
+ if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
+ return NULL;
+
+ if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
+ return NULL;
+
+ annotations_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
+
+ if (annotations_mapping)
+ return ev_mapping_list_get_data (annotations_mapping, x_new, y_new);
+ else
+ return NULL;
+}
+
+static void
+ev_view_annotation_show_popup_window (EvView *view,
+ GtkWidget *window)
+{
+ EvViewWindowChild *child;
+
+ if (!window)
+ return;
+
+ child = ev_view_get_window_child (view, window);
+ if (!child->visible) {
+ child->visible = TRUE;
+ ev_view_window_child_move (view, child, child->x, child->y);
+ gtk_widget_show (window);
+ }
+}
+
+static void
+ev_view_handle_annotation (EvView *view,
+ EvAnnotation *annot,
+ gdouble x,
+ gdouble y,
+ guint32 timestamp)
+{
+ if (EV_IS_ANNOTATION_MARKUP (annot)) {
+ GtkWidget *window;
+
+ window = g_object_get_data (G_OBJECT (annot), "popup");
+ ev_view_annotation_show_popup_window (view, window);
+ }
+
+ if (EV_IS_ANNOTATION_ATTACHMENT (annot)) {
+ EvAttachment *attachment;
+
+ attachment = ev_annotation_attachment_get_attachment (EV_ANNOTATION_ATTACHMENT (annot));
+ if (attachment) {
+ GError *error = NULL;
+
+ ev_attachment_open (attachment,
+ gtk_widget_get_screen (GTK_WIDGET (view)),
+ timestamp,
+ &error);
+
+ if (error) {
+ g_warning ("%s", error->message);
+ g_error_free (error);
+ }
+ }
+ }
+}
+
+static void
+ev_view_create_annotation (EvView *view,
+ EvAnnotationType annot_type,
+ gint x,
+ gint y)
+{
+ EvAnnotation *annot;
+ GdkPoint point;
+ GdkRectangle page_area;
+ GtkBorder border;
+ EvRectangle doc_rect, popup_rect;
+ EvPage *page;
+ GdkColor color = { 0, 65535, 65535, 0 };
+ GdkRectangle view_rect;
+ cairo_region_t *region;
+
+ point.x = x;
+ point.y = y;
+ ev_view_get_page_extents (view, view->current_page, &page_area, &border);
+ view_point_to_doc_point (view, &point, &page_area,
+ &doc_rect.x1, &doc_rect.y1);
+ doc_rect.x2 = doc_rect.x1 + 24;
+ doc_rect.y2 = doc_rect.y1 + 24;
+
+ ev_document_doc_mutex_lock ();
+ page = ev_document_get_page (view->document, view->current_page);
+ switch (annot_type) {
+ case EV_ANNOTATION_TYPE_TEXT:
+ annot = ev_annotation_text_new (page);
+ break;
+ case EV_ANNOTATION_TYPE_ATTACHMENT:
+ /* TODO */
+ g_object_unref (page);
+ ev_document_doc_mutex_unlock ();
+ return;
+ default:
+ g_assert_not_reached ();
+ }
+ g_object_unref (page);
+
+ ev_annotation_set_color (annot, &color);
+
+ if (EV_IS_ANNOTATION_MARKUP (annot)) {
+ popup_rect.x1 = doc_rect.x2;
+ popup_rect.x2 = popup_rect.x1 + 200;
+ popup_rect.y1 = doc_rect.y2;
+ popup_rect.y2 = popup_rect.y1 + 150;
+ g_object_set (annot,
+ "rectangle", &popup_rect,
+ "has_popup", TRUE,
+ "popup_is_open", FALSE,
+ "label", g_get_real_name (),
+ "opacity", 1.0,
+ NULL);
+ }
+ ev_document_annotations_add_annotation (EV_DOCUMENT_ANNOTATIONS (view->document),
+ annot, &doc_rect);
+ ev_document_doc_mutex_unlock ();
+
+ /* If the page didn't have annots, mark the cache as dirty */
+ if (!ev_page_cache_get_annot_mapping (view->page_cache, view->current_page))
+ ev_page_cache_mark_dirty (view->page_cache, view->current_page);
+
+ if (EV_IS_ANNOTATION_MARKUP (annot)) {
+ GtkWindow *parent;
+ GtkWidget *window;
+
+ parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
+ window = ev_view_create_annotation_window (view, annot, parent);
+
+ /* Show the annot window the first time */
+ ev_view_annotation_show_popup_window (view, window);
+ }
+
+ doc_rect_to_view_rect (view, view->current_page, &doc_rect, &view_rect);
+ view_rect.x -= view->scroll_x;
+ view_rect.y -= view->scroll_y;
+ region = cairo_region_create_rectangle (&view_rect);
+ ev_view_reload_page (view, view->current_page, region);
+ cairo_region_destroy (region);
+
+ g_signal_emit (view, signals[SIGNAL_ANNOT_ADDED], 0, annot);
+}
+
+void
+ev_view_focus_annotation (EvView *view,
+ EvMapping *annot_mapping)
+{
+ GdkRectangle view_rect;
+ EvAnnotation *annot;
+ guint page;
+
+ if (!EV_IS_DOCUMENT_ANNOTATIONS (view->document))
+ return;
+
+ if (view->focus_annotation == annot_mapping)
+ return;
+
+ view->focus_annotation = annot_mapping;
+ annot = (EvAnnotation *)annot_mapping->data;
+
+ page = ev_annotation_get_page_index (annot);
+ ev_document_model_set_page (view->model, page);
+
+ doc_rect_to_view_rect (view, page,
+ &annot_mapping->area, &view_rect);
+ ensure_rectangle_is_visible (view, &view_rect);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+void
+ev_view_begin_add_annotation (EvView *view,
+ EvAnnotationType annot_type)
+{
+ if (annot_type == EV_ANNOTATION_TYPE_UNKNOWN)
+ return;
+
+ if (view->adding_annot)
+ return;
+
+ view->adding_annot = TRUE;
+ view->adding_annot_type = annot_type;
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_ADD);
+}
+
+void
+ev_view_cancel_add_annotation (EvView *view)
+{
+ gint x, y;
+
+ if (!view->adding_annot)
+ return;
+
+ view->adding_annot = FALSE;
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ ev_view_handle_cursor_over_xy (view, x, y);
+}
+
+static gboolean
+ev_view_synctex_backward_search (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ gint page = -1;
+ gint x_new = 0, y_new = 0;
+ EvSourceLink *link;
+
+ if (!ev_document_has_synctex (view->document))
+ return FALSE;
+
+ if (!get_doc_point_from_location (view, x, y, &page, &x_new, &y_new))
+ return FALSE;
+
+ link = ev_document_synctex_backward_search (view->document, page, x_new, y_new);
+ if (link) {
+ g_signal_emit (view, signals[SIGNAL_SYNC_SOURCE], 0, link);
+ g_free (link);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/*** GtkWidget implementation ***/
+
+static void
+ev_view_size_request_continuous_dual_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ gint n_pages;
+
+ n_pages = ev_document_get_n_pages (view->document) + 1;
+ get_page_y_offset (view, n_pages, &requisition->height);
+
+ switch (view->sizing_mode) {
+ case EV_SIZING_FIT_WIDTH:
+ case EV_SIZING_BEST_FIT:
+ requisition->width = 1;
+
+ break;
+ case EV_SIZING_FREE: {
+ gint max_width;
+ GtkBorder border;
+
+ ev_view_get_max_page_size (view, &max_width, NULL);
+ compute_border (view, max_width, max_width, &border);
+ requisition->width = (max_width + border.left + border.right) * 2 + (view->spacing * 3);
+ }
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static void
+ev_view_size_request_continuous (EvView *view,
+ GtkRequisition *requisition)
+{
+ gint n_pages;
+
+ n_pages = ev_document_get_n_pages (view->document);
+ get_page_y_offset (view, n_pages, &requisition->height);
+
+ switch (view->sizing_mode) {
+ case EV_SIZING_FIT_WIDTH:
+ case EV_SIZING_BEST_FIT:
+ requisition->width = 1;
+
+ break;
+ case EV_SIZING_FREE: {
+ gint max_width;
+ GtkBorder border;
+
+ ev_view_get_max_page_size (view, &max_width, NULL);
+ compute_border (view, max_width, max_width, &border);
+ requisition->width = max_width + (view->spacing * 2) + border.left + border.right;
+ }
+ break;
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static void
+ev_view_size_request_dual_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ GtkBorder border;
+ gint width, height;
+
+ if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ requisition->height = 1;
+
+ return;
+ }
+
+ /* Find the largest of the two. */
+ ev_view_get_page_size (view,
+ view->current_page,
+ &width, &height);
+ if (view->current_page + 1 < ev_document_get_n_pages (view->document)) {
+ gint width_2, height_2;
+ ev_view_get_page_size (view,
+ view->current_page + 1,
+ &width_2, &height_2);
+ if (width_2 > width) {
+ width = width_2;
+ height = height_2;
+ }
+ }
+ compute_border (view, width, height, &border);
+
+ requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
+ ((width + border.left + border.right) * 2) + (view->spacing * 3);
+ requisition->height = (height + border.top + border.bottom) + (view->spacing * 2);
+}
+
+static void
+ev_view_size_request_single_page (EvView *view,
+ GtkRequisition *requisition)
+{
+ GtkBorder border;
+ gint width, height;
+
+ if (view->sizing_mode == EV_SIZING_BEST_FIT) {
+ requisition->width = 1;
+ requisition->height = 1;
+
+ return;
+ }
+
+ ev_view_get_page_size (view, view->current_page, &width, &height);
+ compute_border (view, width, height, &border);
+
+ requisition->width = view->sizing_mode == EV_SIZING_FIT_WIDTH ? 1 :
+ width + border.left + border.right + (2 * view->spacing);
+ requisition->height = height + border.top + border.bottom + (2 * view->spacing);
+}
+
+static void
+ev_view_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->document == NULL) {
+ view->requisition.width = 1;
+ view->requisition.height = 1;
+
+ *requisition = view->requisition;
+
+ return;
+ }
+
+ /* Get zoom for size here when not called from
+ * ev_view_size_allocate()
+ */
+ if (!view->internal_size_request &&
+ (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
+ view->sizing_mode == EV_SIZING_BEST_FIT)) {
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (widget, &allocation);
+ ev_view_zoom_for_size (view,
+ allocation.width,
+ allocation.height);
+ }
+
+ if (view->continuous && view->dual_page)
+ ev_view_size_request_continuous_dual_page (view, &view->requisition);
+ else if (view->continuous)
+ ev_view_size_request_continuous (view, &view->requisition);
+ else if (view->dual_page)
+ ev_view_size_request_dual_page (view, &view->requisition);
+ else
+ ev_view_size_request_single_page (view, &view->requisition);
+
+ *requisition = view->requisition;
+}
+
+static void
+ev_view_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ EvView *view = EV_VIEW (widget);
+ GList *children, *l;
+ gint root_x, root_y;
+
+ GTK_WIDGET_CLASS (ev_view_parent_class)->size_allocate (widget, allocation);
+
+ if (!view->document)
+ return;
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
+ view->sizing_mode == EV_SIZING_BEST_FIT) {
+ GtkRequisition req;
+
+ ev_view_zoom_for_size (view,
+ allocation->width,
+ allocation->height);
+ view->internal_size_request = TRUE;
+ ev_view_size_request (widget, &req);
+ view->internal_size_request = FALSE;
+ }
+
+ view_set_adjustment_values (view, GTK_ORIENTATION_HORIZONTAL);
+ view_set_adjustment_values (view, GTK_ORIENTATION_VERTICAL);
+
+ if (view->document)
+ view_update_range_and_current_page (view);
+
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
+ view->pending_resize = FALSE;
+ view->pending_point.x = 0;
+ view->pending_point.y = 0;
+
+ children = gtk_container_get_children (GTK_CONTAINER (widget));
+ for (l = children; l && l->data; l = g_list_next (l)) {
+ EvFormField *field;
+ GdkRectangle view_area;
+ EvMappingList *form_field_mapping;
+ GtkAllocation child_allocation;
+ GtkRequisition child_requisition;
+ GtkWidget *child = (GtkWidget *)l->data;
+
+ field = g_object_get_data (G_OBJECT (child), "form-field");
+ if (!field)
+ continue;
+
+ form_field_mapping = ev_page_cache_get_form_field_mapping (view->page_cache,
+ field->page->index);
+ ev_view_get_area_from_mapping (view, field->page->index,
+ form_field_mapping,
+ field, &view_area);
+
+ gtk_widget_size_request (child, &child_requisition);
+ if (child_requisition.width != view_area.width ||
+ child_requisition.height != view_area.height)
+ gtk_widget_set_size_request (child, view_area.width, view_area.height);
+
+ gtk_container_child_get (GTK_CONTAINER (widget),
+ child,
+ "x", &child_allocation.x,
+ "y", &child_allocation.y,
+ NULL);
+ if (child_allocation.x != view_area.x ||
+ child_allocation.y != view_area.y) {
+ gtk_layout_move (GTK_LAYOUT (widget), child, view_area.x, view_area.y);
+ }
+ }
+ g_list_free (children);
+
+ if (view->window_children)
+ gdk_window_get_origin (gtk_widget_get_window (GTK_WIDGET (view)),
+ &root_x, &root_y);
+
+ for (l = view->window_children; l && l->data; l = g_list_next (l)) {
+ EvViewWindowChild *child;
+ EvRectangle doc_rect;
+ GdkRectangle view_rect;
+
+ child = (EvViewWindowChild *)l->data;
+
+ ev_annotation_window_get_rectangle (EV_ANNOTATION_WINDOW (child->window), &doc_rect);
+ if (child->moved) {
+ doc_rect.x1 = child->orig_x;
+ doc_rect.y1 = child->orig_y;
+ }
+ doc_rect_to_view_rect (view, child->page, &doc_rect, &view_rect);
+ view_rect.x -= view->scroll_x;
+ view_rect.y -= view->scroll_y;
+
+ if (view_rect.x != child->orig_x || view_rect.y != child->orig_y) {
+ child->parent_x = root_x;
+ child->parent_y = root_y;
+ ev_view_window_child_move (view, child, view_rect.x + root_x, view_rect.y + root_y);
+ }
+ }
+}
+
+static void
+ev_view_realize (GtkWidget *widget)
+{
+ EvView *view = EV_VIEW (widget);
+ GdkWindow *bin_window;
+ GtkStyle *style;
+
+ if (GTK_WIDGET_CLASS (ev_view_parent_class)->realize)
+ (* GTK_WIDGET_CLASS (ev_view_parent_class)->realize) (widget);
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ gdk_window_set_events (bin_window,
+ (gdk_window_get_events (bin_window) |
+ GDK_EXPOSURE_MASK |
+ GDK_BUTTON_PRESS_MASK |
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_SCROLL_MASK |
+ GDK_KEY_PRESS_MASK |
+ GDK_POINTER_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK));
+
+ style = gtk_widget_get_style (widget);
+ gdk_window_set_background (bin_window, &style->mid[GTK_STATE_NORMAL]);
+
+ on_adjustment_value_changed (NULL, view);
+}
+
+static gboolean
+ev_view_scroll_event (GtkWidget *widget, GdkEventScroll *event)
+{
+ EvView *view = EV_VIEW (widget);
+ guint state;
+
+ state = event->state & gtk_accelerator_get_default_mod_mask ();
+
+ if (state == GDK_CONTROL_MASK) {
+ ev_document_model_set_sizing_mode (view->model, EV_SIZING_FREE);
+ if (event->direction == GDK_SCROLL_UP ||
+ event->direction == GDK_SCROLL_LEFT) {
+ if (ev_view_can_zoom_in (view)) {
+ ev_view_zoom_in (view);
+ }
+ } else {
+ if (ev_view_can_zoom_out (view)) {
+ ev_view_zoom_out (view);
+ }
+ }
+
+ return TRUE;
+ }
+
+ view->jump_to_find_result = FALSE;
+
+ /* Shift+Wheel scrolls the in the perpendicular direction */
+ if (state & GDK_SHIFT_MASK) {
+ if (event->direction == GDK_SCROLL_UP)
+ event->direction = GDK_SCROLL_LEFT;
+ else if (event->direction == GDK_SCROLL_LEFT)
+ event->direction = GDK_SCROLL_UP;
+ else if (event->direction == GDK_SCROLL_DOWN)
+ event->direction = GDK_SCROLL_RIGHT;
+ else if (event->direction == GDK_SCROLL_RIGHT)
+ event->direction = GDK_SCROLL_DOWN;
+
+ event->state &= ~GDK_SHIFT_MASK;
+ state &= ~GDK_SHIFT_MASK;
+ }
+
+ if (state == 0 && view->sizing_mode == EV_SIZING_BEST_FIT && !view->continuous) {
+ switch (event->direction) {
+ case GDK_SCROLL_DOWN:
+ case GDK_SCROLL_RIGHT:
+ ev_view_next_page (view);
+ break;
+ case GDK_SCROLL_UP:
+ case GDK_SCROLL_LEFT:
+ ev_view_previous_page (view);
+ break;
+ }
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static EvViewSelection *
+find_selection_for_page (EvView *view,
+ gint page)
+{
+ GList *list;
+
+ for (list = view->selection_info.selections; list != NULL; list = list->next) {
+ EvViewSelection *selection;
+
+ selection = (EvViewSelection *) list->data;
+
+ if (selection->page == page)
+ return selection;
+ }
+
+ return NULL;
+}
+
+static gboolean
+ev_view_expose_event (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ EvView *view = EV_VIEW (widget);
+ GdkWindow *bin_window;
+ cairo_t *cr;
+ gint i;
+
+ if (view->loading) {
+ show_loading_window (view);
+ } else if (view->loading_window &&
+ gtk_widget_get_visible (view->loading_window)) {
+ ev_view_loading_window_move (view);
+ }
+
+ if (view->document == NULL)
+ return FALSE;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ cr = gdk_cairo_create (bin_window);
+
+ for (i = view->start_page; i >= 0 && i <= view->end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+ gboolean page_ready = TRUE;
+
+ if (!ev_view_get_page_extents (view, i, &page_area, &border))
+ continue;
+
+ page_area.x -= view->scroll_x;
+ page_area.y -= view->scroll_y;
+
+ draw_one_page (view, i, cr, &page_area, &border, &(event->area), &page_ready);
+
+ if (page_ready && view->find_pages && view->highlight_find_results)
+ highlight_find_results (view, i);
+ if (page_ready && EV_IS_DOCUMENT_ANNOTATIONS (view->document))
+ show_annotation_windows (view, i);
+ if (page_ready && view->focus_annotation)
+ focus_annotation (view, i, &event->area);
+ if (page_ready && view->synctex_result)
+ highlight_forward_search_results (view, i);
+ }
+
+ cairo_destroy (cr);
+
+ if (GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event)
+ (* GTK_WIDGET_CLASS (ev_view_parent_class)->expose_event) (widget, event);
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_do_popup_menu (EvView *view,
+ gdouble x,
+ gdouble y)
+{
+ GList *items = NULL;
+ EvLink *link;
+ EvImage *image;
+ EvAnnotation *annot;
+
+ image = ev_view_get_image_at_location (view, x, y);
+ if (image)
+ items = g_list_prepend (items, image);
+
+ link = ev_view_get_link_at_location (view, x, y);
+ if (link)
+ items = g_list_prepend (items, link);
+
+ annot = ev_view_get_annotation_at_location (view, x, y);
+ if (annot)
+ items = g_list_prepend (items, annot);
+
+ g_signal_emit (view, signals[SIGNAL_POPUP_MENU], 0, items);
+
+ g_list_free (items);
+
+ return TRUE;
+}
+
+static gboolean
+ev_view_popup_menu (GtkWidget *widget)
+{
+ gint x, y;
+
+ gtk_widget_get_pointer (widget, &x, &y);
+ return ev_view_do_popup_menu (EV_VIEW (widget), x, y);
+}
+
+static void
+get_link_area (EvView *view,
+ gint x,
+ gint y,
+ EvLink *link,
+ GdkRectangle *area)
+{
+ EvMappingList *link_mapping;
+ gint page;
+ gint x_offset = 0, y_offset = 0;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ link_mapping = ev_page_cache_get_link_mapping (view->page_cache, page);
+ ev_view_get_area_from_mapping (view, page,
+ link_mapping,
+ link, area);
+}
+
+static void
+get_annot_area (EvView *view,
+ gint x,
+ gint y,
+ EvAnnotation *annot,
+ GdkRectangle *area)
+{
+ EvMappingList *annot_mapping;
+ gint page;
+ gint x_offset = 0, y_offset = 0;
+
+ x += view->scroll_x;
+ y += view->scroll_y;
+
+ find_page_at_location (view, x, y, &page, &x_offset, &y_offset);
+
+ annot_mapping = ev_page_cache_get_annot_mapping (view->page_cache, page);
+ ev_view_get_area_from_mapping (view, page,
+ annot_mapping,
+ annot, area);
+}
+
+static gboolean
+ev_view_query_tooltip (GtkWidget *widget,
+ gint x,
+ gint y,
+ gboolean keyboard_tip,
+ GtkTooltip *tooltip)
+{
+ EvView *view = EV_VIEW (widget);
+ EvLink *link;
+ EvAnnotation *annot;
+ gchar *text;
+
+ annot = ev_view_get_annotation_at_location (view, x, y);
+ if (annot) {
+ const gchar *contents;
+
+ if ((contents = ev_annotation_get_contents (annot))) {
+ GdkRectangle annot_area;
+
+ get_annot_area (view, x, y, annot, &annot_area);
+ gtk_tooltip_set_text (tooltip, contents);
+ gtk_tooltip_set_tip_area (tooltip, &annot_area);
+
+ return TRUE;
+ }
+ }
+
+ link = ev_view_get_link_at_location (view, x, y);
+ if (!link)
+ return FALSE;
+
+ text = tip_from_link (view, link);
+ if (text && g_utf8_validate (text, -1, NULL)) {
+ GdkRectangle link_area;
+
+ get_link_area (view, x, y, link, &link_area);
+ gtk_tooltip_set_text (tooltip, text);
+ gtk_tooltip_set_tip_area (tooltip, &link_area);
+ }
+ g_free (text);
+
+ return TRUE;
+}
+
+static void
+start_selection_for_event (EvView *view,
+ GdkEventButton *event)
+{
+ clear_selection (view);
+
+ view->selection_info.start.x = event->x + view->scroll_x;
+ view->selection_info.start.y = event->y + view->scroll_y;
+
+ switch (event->type) {
+ case GDK_2BUTTON_PRESS:
+ view->selection_info.style = EV_SELECTION_STYLE_WORD;
+ break;
+ case GDK_3BUTTON_PRESS:
+ view->selection_info.style = EV_SELECTION_STYLE_LINE;
+ break;
+ default:
+ view->selection_info.style = EV_SELECTION_STYLE_GLYPH;
+ return;
+ }
+
+ /* In case of WORD or LINE, compute selections now */
+ compute_selections (view,
+ view->selection_info.style,
+ &(view->selection_info.start),
+ &(view->selection_info.start));
+}
+
+static gboolean
+ev_view_button_press_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (!view->document)
+ return FALSE;
+
+ if (!gtk_widget_has_focus (widget)) {
+ gtk_widget_grab_focus (widget);
+ }
+
+ if (view->window_child_focus) {
+ EvAnnotationWindow *window;
+ EvAnnotation *annot;
+
+ window = EV_ANNOTATION_WINDOW (view->window_child_focus->window);
+ annot = ev_annotation_window_get_annotation (window);
+ ev_annotation_window_ungrab_focus (window);
+ view->window_child_focus = NULL;
+ }
+
+ view->pressed_button = event->button;
+ view->selection_info.in_drag = FALSE;
+
+ if (view->adding_annot)
+ return FALSE;
+
+ if (view->scroll_info.autoscrolling)
+ return TRUE;
+
+ switch (event->button) {
+ case 1: {
+ EvImage *image;
+ EvAnnotation *annot;
+ EvFormField *field;
+
+ if (event->state & GDK_CONTROL_MASK)
+ return ev_view_synctex_backward_search (view, event->x , event->y);
+
+ if (EV_IS_SELECTION (view->document) && view->selection_info.selections) {
+ if (event->type == GDK_3BUTTON_PRESS) {
+ start_selection_for_event (view, event);
+ } else if (location_in_selected_text (view,
+ event->x + view->scroll_x,
+ event->y + view->scroll_y)) {
+ view->selection_info.in_drag = TRUE;
+ } else {
+ start_selection_for_event (view, event);
+ }
+
+ gtk_widget_queue_draw (widget);
+ } else if ((annot = ev_view_get_annotation_at_location (view, event->x, event->y))) {
+ ev_view_handle_annotation (view, annot, event->x, event->y, event->time);
+ } else if ((field = ev_view_get_form_field_at_location (view, event->x, event->y))) {
+ ev_view_remove_all (view);
+ ev_view_handle_form_field (view, field, event->x, event->y);
+ } else if (!location_in_text (view, event->x + view->scroll_x, event->y + view->scroll_y) &&
+ (image = ev_view_get_image_at_location (view, event->x, event->y))) {
+ if (view->image_dnd_info.image)
+ g_object_unref (view->image_dnd_info.image);
+ view->image_dnd_info.image = g_object_ref (image);
+ view->image_dnd_info.in_drag = TRUE;
+
+ view->image_dnd_info.start.x = event->x + view->scroll_x;
+ view->image_dnd_info.start.y = event->y + view->scroll_y;
+ } else {
+ ev_view_remove_all (view);
+
+ if (view->synctex_result) {
+ g_free (view->synctex_result);
+ view->synctex_result = NULL;
+ gtk_widget_queue_draw (widget);
+ }
+
+ if (view->focus_annotation)
+ view->focus_annotation = NULL;
+
+ if (EV_IS_SELECTION (view->document))
+ start_selection_for_event (view, event);
+ }
+ }
+ return TRUE;
+ case 2:
+ /* use root coordinates as reference point because
+ * scrolling changes window relative coordinates */
+ view->drag_info.start.x = event->x_root;
+ view->drag_info.start.y = event->y_root;
+ view->drag_info.hadj = gtk_adjustment_get_value (view->hadjustment);
+ view->drag_info.vadj = gtk_adjustment_get_value (view->vadjustment);
+
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_DRAG);
+
+ return TRUE;
+ case 3:
+ view->scroll_info.start_y = event->y;
+ return ev_view_do_popup_menu (view, event->x, event->y);
+ }
+
+ return FALSE;
+}
+
+static void
+ev_view_remove_all (EvView *view)
+{
+ GList *children, *child;
+
+ children = gtk_container_get_children (GTK_CONTAINER (view));
+ for (child = children; child && child->data; child = g_list_next (child)) {
+ gtk_container_remove (GTK_CONTAINER (view),
+ GTK_WIDGET (child->data));
+ }
+ g_list_free (children);
+}
+
+/*** Drag and Drop ***/
+static void
+ev_view_drag_data_get (GtkWidget *widget,
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint info,
+ guint time)
+{
+ EvView *view = EV_VIEW (widget);
+
+ switch (info) {
+ case TARGET_DND_TEXT:
+ if (EV_IS_SELECTION (view->document) &&
+ view->selection_info.selections) {
+ gchar *text;
+
+ text = get_selected_text (view);
+ gtk_selection_data_set_text (selection_data,
+ text,
+ strlen (text));
+ g_free (text);
+ }
+ break;
+ case TARGET_DND_IMAGE:
+ if (view->image_dnd_info.image) {
+ GdkPixbuf *pixbuf;
+
+ ev_document_doc_mutex_lock ();
+ pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
+ view->image_dnd_info.image);
+ ev_document_doc_mutex_unlock ();
+
+ gtk_selection_data_set_pixbuf (selection_data, pixbuf);
+ g_object_unref (pixbuf);
+ }
+ break;
+ case TARGET_DND_URI:
+ if (view->image_dnd_info.image) {
+ GdkPixbuf *pixbuf;
+ const gchar *tmp_uri;
+ gchar *uris[2];
+
+ ev_document_doc_mutex_lock ();
+ pixbuf = ev_document_images_get_image (EV_DOCUMENT_IMAGES (view->document),
+ view->image_dnd_info.image);
+ ev_document_doc_mutex_unlock ();
+
+ tmp_uri = ev_image_save_tmp (view->image_dnd_info.image, pixbuf);
+ g_object_unref (pixbuf);
+
+ uris[0] = (gchar *)tmp_uri;
+ uris[1] = NULL;
+ gtk_selection_data_set_uris (selection_data, uris);
+ }
+ }
+}
+
+static gboolean
+ev_view_drag_motion (GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time)
+{
+ if (gtk_drag_get_source_widget (context) == widget)
+ gdk_drag_status (context, 0, time);
+ else
+ gdk_drag_status (context, gdk_drag_context_get_suggested_action (context), time);
+
+ return TRUE;
+}
+
+static gboolean
+selection_update_idle_cb (EvView *view)
+{
+ compute_selections (view,
+ view->selection_info.style,
+ &view->selection_info.start,
+ &view->motion);
+ view->selection_update_id = 0;
+ return FALSE;
+}
+
+static gboolean
+selection_scroll_timeout_cb (EvView *view)
+{
+ gint x, y, shift = 0;
+ GtkWidget *widget = GTK_WIDGET (view);
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (widget, &allocation);
+ gtk_widget_get_pointer (widget, &x, &y);
+
+ if (y > allocation.height) {
+ shift = (y - allocation.height) / 2;
+ } else if (y < 0) {
+ shift = y / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->vadjustment,
+ CLAMP (gtk_adjustment_get_value (view->vadjustment) + shift,
+ gtk_adjustment_get_lower (view->vadjustment),
+ gtk_adjustment_get_upper (view->vadjustment) -
+ gtk_adjustment_get_page_size (view->vadjustment)));
+
+ if (x > allocation.width) {
+ shift = (x - allocation.width) / 2;
+ } else if (x < 0) {
+ shift = x / 2;
+ }
+
+ if (shift)
+ gtk_adjustment_set_value (view->hadjustment,
+ CLAMP (gtk_adjustment_get_value (view->hadjustment) + shift,
+ gtk_adjustment_get_lower (view->hadjustment),
+ gtk_adjustment_get_upper (view->hadjustment) -
+ gtk_adjustment_get_page_size (view->hadjustment)));
+
+ return TRUE;
+}
+
+static gboolean
+ev_view_drag_update_momentum (EvView *view)
+{
+ int i;
+ if (!view->drag_info.in_drag)
+ return FALSE;
+
+ for (i = DRAG_HISTORY - 1; i > 0; i--) {
+ view->drag_info.buffer[i].x = view->drag_info.buffer[i-1].x;
+ view->drag_info.buffer[i].y = view->drag_info.buffer[i-1].y;
+ }
+
+ /* Momentum is a moving average of 10ms granularity over
+ * the last 100ms with each 10ms stored in buffer.
+ */
+
+ view->drag_info.momentum.x = (view->drag_info.buffer[DRAG_HISTORY - 1].x - view->drag_info.buffer[0].x);
+ view->drag_info.momentum.y = (view->drag_info.buffer[DRAG_HISTORY - 1].y - view->drag_info.buffer[0].y);
+
+ return TRUE;
+}
+
+static gboolean
+ev_view_scroll_drag_release (EvView *view)
+{
+ gdouble dhadj_value, dvadj_value;
+ gdouble oldhadjustment, oldvadjustment;
+ gdouble h_page_size, v_page_size;
+ gdouble h_upper, v_upper;
+ GtkAllocation allocation;
+
+ view->drag_info.momentum.x /= 1.2;
+ view->drag_info.momentum.y /= 1.2; /* Alter these constants to change "friction" */
+
+ gtk_widget_get_allocation (GTK_WIDGET (view), &allocation);
+
+ h_page_size = gtk_adjustment_get_page_size (view->hadjustment);
+ v_page_size = gtk_adjustment_get_page_size (view->vadjustment);
+
+ dhadj_value = h_page_size *
+ (gdouble)view->drag_info.momentum.x / allocation.width;
+ dvadj_value = v_page_size *
+ (gdouble)view->drag_info.momentum.y / allocation.height;
+
+ oldhadjustment = gtk_adjustment_get_value (view->hadjustment);
+ oldvadjustment = gtk_adjustment_get_value (view->vadjustment);
+
+ h_upper = gtk_adjustment_get_upper (view->hadjustment);
+ v_upper = gtk_adjustment_get_upper (view->vadjustment);
+
+ /* When we reach the edges, we need either to absorb some momentum and bounce by
+ * multiplying it on -0.5 or stop scrolling by setting momentum to 0. */
+ if (((oldhadjustment + dhadj_value) > (h_upper - h_page_size)) ||
+ ((oldhadjustment + dhadj_value) < 0))
+ view->drag_info.momentum.x = 0;
+ if (((oldvadjustment + dvadj_value) > (v_upper - v_page_size)) ||
+ ((oldvadjustment + dvadj_value) < 0))
+ view->drag_info.momentum.y = 0;
+
+ gtk_adjustment_set_value (view->hadjustment,
+ MIN (oldhadjustment + dhadj_value,
+ h_upper - h_page_size));
+ gtk_adjustment_set_value (view->vadjustment,
+ MIN (oldvadjustment + dvadj_value,
+ v_upper - v_page_size));
+
+ if (((view->drag_info.momentum.x < 1) && (view->drag_info.momentum.x > -1)) &&
+ ((view->drag_info.momentum.y < 1) && (view->drag_info.momentum.y > -1)))
+ return FALSE;
+ else
+ return TRUE;
+}
+
+static gboolean
+ev_view_motion_notify_event (GtkWidget *widget,
+ GdkEventMotion *event)
+{
+ EvView *view = EV_VIEW (widget);
+ GdkWindow *bin_window;
+ gint x, y;
+
+ if (!view->document)
+ return FALSE;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+
+ if (event->is_hint || event->window != bin_window) {
+ gtk_widget_get_pointer (widget, &x, &y);
+ } else {
+ x = event->x;
+ y = event->y;
+ }
+
+ if (view->scroll_info.autoscrolling) {
+ view->scroll_info.last_y = y;
+ return TRUE;
+ }
+
+ if (view->selection_info.in_drag) {
+ if (gtk_drag_check_threshold (widget,
+ view->selection_info.start.x,
+ view->selection_info.start.y,
+ x, y)) {
+ GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
+
+ gtk_target_list_add_text_targets (target_list, TARGET_DND_TEXT);
+
+ gtk_drag_begin (widget, target_list,
+ GDK_ACTION_COPY,
+ 1, (GdkEvent *)event);
+
+ view->selection_info.in_drag = FALSE;
+
+ gtk_target_list_unref (target_list);
+
+ return TRUE;
+ }
+ } else if (view->image_dnd_info.in_drag) {
+ if (gtk_drag_check_threshold (widget,
+ view->selection_info.start.x,
+ view->selection_info.start.y,
+ x, y)) {
+ GtkTargetList *target_list = gtk_target_list_new (NULL, 0);
+
+ gtk_target_list_add_uri_targets (target_list, TARGET_DND_URI);
+ gtk_target_list_add_image_targets (target_list, TARGET_DND_IMAGE, TRUE);
+
+ gtk_drag_begin (widget, target_list,
+ GDK_ACTION_COPY,
+ 1, (GdkEvent *)event);
+
+ view->image_dnd_info.in_drag = FALSE;
+
+ gtk_target_list_unref (target_list);
+
+ return TRUE;
+ }
+ }
+
+ switch (view->pressed_button) {
+ case 1:
+ /* For the Evince 0.4.x release, we limit selection to un-rotated
+ * documents only.
+ */
+ if (view->rotation != 0)
+ return FALSE;
+
+ /* Schedule timeout to scroll during selection and additionally
+ * scroll once to allow arbitrary speed. */
+ if (!view->selection_scroll_id)
+ view->selection_scroll_id = g_timeout_add (SCROLL_TIME,
+ (GSourceFunc)selection_scroll_timeout_cb,
+ view);
+ else
+ selection_scroll_timeout_cb (view);
+
+ view->selection_info.in_selection = TRUE;
+ view->motion.x = x + view->scroll_x;
+ view->motion.y = y + view->scroll_y;
+
+ /* Queue an idle to handle the motion. We do this because
+ * handling any selection events in the motion could be slower
+ * than new motion events reach us. We always put it in the
+ * idle to make sure we catch up and don't visibly lag the
+ * mouse. */
+ if (!view->selection_update_id)
+ view->selection_update_id = g_idle_add ((GSourceFunc)selection_update_idle_cb, view);
+
+ return TRUE;
+ case 2:
+ if (!view->drag_info.in_drag) {
+ gboolean start;
+ int i;
+
+ start = gtk_drag_check_threshold (widget,
+ view->drag_info.start.x,
+ view->drag_info.start.y,
+ event->x_root,
+ event->y_root);
+ view->drag_info.in_drag = start;
+ view->drag_info.drag_timeout_id = g_timeout_add (10,
+ (GSourceFunc)ev_view_drag_update_momentum, view);
+ /* Set 100 to choose how long it takes to build up momentum */
+ /* Clear out previous momentum info: */
+ for (i = 0; i < DRAG_HISTORY; i++) {
+ view->drag_info.buffer[i].x = event->x;
+ view->drag_info.buffer[i].y = event->y;
+ }
+ view->drag_info.momentum.x = 0;
+ view->drag_info.momentum.y = 0;
+ }
+
+ if (view->drag_info.in_drag) {
+ int dx, dy;
+ gdouble dhadj_value, dvadj_value;
+ GtkAllocation allocation;
+
+ view->drag_info.buffer[0].x = event->x;
+ view->drag_info.buffer[0].y = event->y;
+
+ dx = event->x_root - view->drag_info.start.x;
+ dy = event->y_root - view->drag_info.start.y;
+
+ gtk_widget_get_allocation (widget, &allocation);
+
+ dhadj_value = gtk_adjustment_get_page_size (view->hadjustment) *
+ (gdouble)dx / allocation.width;
+ dvadj_value = gtk_adjustment_get_page_size (view->vadjustment) *
+ (gdouble)dy / allocation.height;
+
+ /* clamp scrolling to visible area */
+ gtk_adjustment_set_value (view->hadjustment,
+ MIN (view->drag_info.hadj - dhadj_value,
+ gtk_adjustment_get_upper (view->hadjustment) -
+ gtk_adjustment_get_page_size (view->hadjustment)));
+ gtk_adjustment_set_value (view->vadjustment,
+ MIN (view->drag_info.vadj - dvadj_value,
+ gtk_adjustment_get_upper (view->vadjustment) -
+ gtk_adjustment_get_page_size (view->vadjustment)));
+
+ return TRUE;
+ }
+
+ break;
+ default:
+ ev_view_handle_cursor_over_xy (view, x, y);
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_button_release_event (GtkWidget *widget,
+ GdkEventButton *event)
+{
+ EvView *view = EV_VIEW (widget);
+ EvLink *link = NULL;
+
+ view->image_dnd_info.in_drag = FALSE;
+
+ if (view->scroll_info.autoscrolling) {
+ ev_view_autoscroll_stop (view);
+ view->pressed_button = -1;
+
+ return TRUE;
+ }
+
+ if (view->pressed_button == 1 && event->state & GDK_CONTROL_MASK) {
+ view->pressed_button = -1;
+ return TRUE;
+ }
+
+ if (view->drag_info.in_drag) {
+ view->drag_info.release_timeout_id =
+ g_timeout_add (20,
+ (GSourceFunc)ev_view_scroll_drag_release, view);
+ }
+
+ if (view->document && !view->drag_info.in_drag && view->pressed_button != 3) {
+ link = ev_view_get_link_at_location (view, event->x, event->y);
+ }
+
+ view->drag_info.in_drag = FALSE;
+
+ if (view->adding_annot && view->pressed_button == 1) {
+ view->adding_annot = FALSE;
+ ev_view_handle_cursor_over_xy (view, event->x, event->y);
+ view->pressed_button = -1;
+
+ ev_view_create_annotation (view,
+ view->adding_annot_type,
+ event->x + view->scroll_x,
+ event->y + view->scroll_y);
+
+ return FALSE;
+ }
+
+ if (view->pressed_button == 2) {
+ ev_view_handle_cursor_over_xy (view, event->x, event->y);
+ }
+
+ view->pressed_button = -1;
+
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
+ if (view->selection_info.selections) {
+ clear_link_selected (view);
+ ev_view_update_primary_selection (view);
+
+ if (view->selection_info.in_drag) {
+ clear_selection (view);
+ gtk_widget_queue_draw (widget);
+ }
+
+ view->selection_info.in_drag = FALSE;
+ } else if (link) {
+ if (event->button == 2) {
+ EvLinkAction *action;
+ EvLinkActionType type;
+
+ action = ev_link_get_action (link);
+ if (!action)
+ return FALSE;
+
+ type = ev_link_action_get_action_type (action);
+ if (type == EV_LINK_ACTION_TYPE_GOTO_DEST) {
+ g_signal_emit (view,
+ signals[SIGNAL_EXTERNAL_LINK],
+ 0, action);
+ }
+ } else {
+ ev_view_handle_link (view, link);
+ }
+ }
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_key_press_event (GtkWidget *widget,
+ GdkEventKey *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (!view->document)
+ return FALSE;
+
+ if (!gtk_widget_has_focus (widget)) {
+ /* Forward key events to current focused window child */
+ if (view->window_child_focus) {
+ GdkEventKey *new_event;
+ gboolean handled;
+
+ new_event = (GdkEventKey *) gdk_event_copy ((GdkEvent *)event);
+ g_object_unref (new_event->window);
+ new_event->window = gtk_widget_get_window (view->window_child_focus->window);
+ if (new_event->window)
+ g_object_ref (new_event->window);
+ gtk_widget_realize (view->window_child_focus->window);
+ handled = gtk_widget_event (view->window_child_focus->window, (GdkEvent *)new_event);
+ gdk_event_free ((GdkEvent *)new_event);
+
+ return handled;
+ }
+
+ return FALSE;
+ }
+
+ return gtk_bindings_activate_event (GTK_OBJECT (widget), event);
+}
+
+static gint
+ev_view_focus_in (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+ gtk_widget_queue_draw (widget);
+
+ return FALSE;
+}
+
+static gint
+ev_view_focus_out (GtkWidget *widget,
+ GdkEventFocus *event)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+ gtk_widget_queue_draw (widget);
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_leave_notify_event (GtkWidget *widget, GdkEventCrossing *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ if (view->cursor != EV_VIEW_CURSOR_NORMAL)
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+
+ return FALSE;
+}
+
+static gboolean
+ev_view_enter_notify_event (GtkWidget *widget, GdkEventCrossing *event)
+{
+ EvView *view = EV_VIEW (widget);
+
+ ev_view_handle_cursor_over_xy (view, event->x, event->y);
+
+ return FALSE;
+}
+
+static void
+ev_view_style_set (GtkWidget *widget,
+ GtkStyle *old_style)
+{
+ if (EV_VIEW (widget)->pixbuf_cache)
+ ev_pixbuf_cache_style_changed (EV_VIEW (widget)->pixbuf_cache);
+
+ GTK_WIDGET_CLASS (ev_view_parent_class)->style_set (widget, old_style);
+}
+
+/*** Drawing ***/
+
+static void
+draw_rubberband (EvView *view,
+ GdkWindow *window,
+ const GdkRectangle *rect,
+ gdouble alpha)
+{
+ GtkStyle *style;
+ GdkColor *fill_color_gdk;
+ gdouble r, g, b;
+ cairo_t *cr;
+
+ style = gtk_widget_get_style (GTK_WIDGET (view));
+ fill_color_gdk = gdk_color_copy (&style->base[GTK_STATE_SELECTED]);
+ r = fill_color_gdk->red / 65535.;
+ g = fill_color_gdk->green / 65535.;
+ b = fill_color_gdk->blue / 65535.;
+
+ cr = gdk_cairo_create (window);
+
+ cairo_set_source_rgba (cr, r, g, b, alpha);
+ cairo_rectangle (cr,
+ rect->x - view->scroll_x,
+ rect->y - view->scroll_y,
+ rect->width, rect->height);
+ cairo_fill_preserve (cr);
+
+ cairo_set_line_width (cr, 0.5);
+ cairo_set_source_rgb (cr, r, g, b);
+ cairo_stroke (cr);
+
+ cairo_destroy (cr);
+
+ gdk_color_free (fill_color_gdk);
+}
+
+
+static void
+highlight_find_results (EvView *view, int page)
+{
+ gint i, n_results = 0;
+ GdkWindow *bin_window;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+
+ n_results = ev_view_find_get_n_results (view, page);
+
+ for (i = 0; i < n_results; i++) {
+ EvRectangle *rectangle;
+ GdkRectangle view_rectangle;
+ gdouble alpha;
+
+ if (i == view->find_result && page == view->current_page) {
+ alpha = 0.6;
+ } else {
+ alpha = 0.3;
+ }
+
+ rectangle = ev_view_find_get_result (view, page, i);
+ doc_rect_to_view_rect (view, page, rectangle, &view_rectangle);
+ draw_rubberband (view, bin_window, &view_rectangle, alpha);
+ }
+}
+
+static void
+highlight_forward_search_results (EvView *view, int page)
+{
+ GdkWindow *bin_window;
+ GdkRectangle rect;
+ cairo_t *cr;
+ EvMapping *mapping = view->synctex_result;
+
+ if (GPOINTER_TO_INT (mapping->data) != page)
+ return;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ doc_rect_to_view_rect (view, page, &mapping->area, &rect);
+
+ cr = gdk_cairo_create (bin_window);
+ cairo_set_source_rgb (cr, 1., 0., 0.);
+ cairo_rectangle (cr,
+ rect.x - view->scroll_x,
+ rect.y - view->scroll_y,
+ rect.width, rect.height);
+ cairo_stroke (cr);
+ cairo_destroy (cr);
+}
+
+static void
+focus_annotation (EvView *view,
+ gint page,
+ GdkRectangle *clip)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ GdkRectangle rect;
+ EvMapping *mapping = view->focus_annotation;
+ EvAnnotation *annot = (EvAnnotation *)mapping->data;
+
+ if (ev_annotation_get_page_index (annot) != page)
+ return;
+
+ doc_rect_to_view_rect (view, page, &mapping->area, &rect);
+ gtk_paint_focus (gtk_widget_get_style (widget),
+ gtk_layout_get_bin_window (GTK_LAYOUT (view)),
+ gtk_widget_get_state (widget),
+ NULL, widget, NULL,
+ rect.x - view->scroll_x,
+ rect.y - view->scroll_y,
+ rect.width + 1, rect.height + 1);
+}
+
+static void
+ev_view_loading_window_move (EvView *view)
+{
+ GtkWidget *widget = GTK_WIDGET (view);
+ EvLoadingWindow *window = EV_LOADING_WINDOW (view->loading_window);
+ gint root_x, root_y;
+ gint window_width;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (widget, &allocation);
+ gdk_window_get_origin (gtk_widget_get_window (widget), &root_x, &root_y);
+ ev_loading_window_get_size (window, &window_width, NULL);
+
+ root_x += allocation.width - window_width - 10;
+ root_y += 10;
+
+ ev_loading_window_move (window, root_x, root_y);
+}
+
+static gboolean
+show_loading_window_cb (EvView *view)
+{
+ if (!view->loading_window) {
+ GtkWindow *parent;
+ GdkScreen *screen;
+
+ parent = GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (view)));
+ view->loading_window = ev_loading_window_new (parent);
+
+ /* Show the window off screen to get a valid size asap */
+ screen = gtk_widget_get_screen (GTK_WIDGET (view));
+ gtk_window_move (GTK_WINDOW (view->loading_window),
+ gdk_screen_get_width (screen) + 1,
+ gdk_screen_get_height (screen) + 1);
+ gtk_widget_show (view->loading_window);
+ }
+
+ ev_view_loading_window_move (view);
+
+ gtk_widget_show (view->loading_window);
+
+ view->loading_timeout = 0;
+
+ return FALSE;
+}
+
+static void
+show_loading_window (EvView *view)
+{
+ if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
+ ev_view_loading_window_move (view);
+ return;
+ }
+
+ if (!view->loading_timeout) {
+ view->loading_timeout =
+ g_timeout_add_full (G_PRIORITY_LOW,
+ 0.5, (GSourceFunc)show_loading_window_cb,
+ view, NULL);
+ }
+}
+
+static void
+hide_loading_window (EvView *view)
+{
+ if (view->loading_timeout) {
+ g_source_remove (view->loading_timeout);
+ view->loading_timeout = 0;
+ }
+
+ if (view->loading_window && gtk_widget_get_visible (view->loading_window)) {
+ gtk_widget_hide (view->loading_window);
+ }
+}
+
+static void
+draw_one_page (EvView *view,
+ gint page,
+ cairo_t *cr,
+ GdkRectangle *page_area,
+ GtkBorder *border,
+ GdkRectangle *expose_area,
+ gboolean *page_ready)
+{
+ GdkWindow *bin_window;
+ GdkRectangle overlap;
+ GdkRectangle real_page_area;
+ gint current_page;
+ gboolean inverted_colors;
+
+ g_assert (view->document);
+
+ if (! gdk_rectangle_intersect (page_area, expose_area, &overlap))
+ return;
+
+ /* Render the document itself */
+ real_page_area = *page_area;
+
+ real_page_area.x += border->left;
+ real_page_area.y += border->top;
+ real_page_area.width -= (border->left + border->right);
+ real_page_area.height -= (border->top + border->bottom);
+ *page_ready = TRUE;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ current_page = ev_document_model_get_page (view->model);
+ inverted_colors = ev_document_model_get_inverted_colors (view->model);
+ ev_document_misc_paint_one_page (cr,
+ GTK_WIDGET (view),
+ page_area, border,
+ page == current_page,
+ inverted_colors);
+
+ if (gdk_rectangle_intersect (&real_page_area, expose_area, &overlap)) {
+ gint width, height;
+ gint page_width, page_height;
+ cairo_surface_t *page_surface = NULL;
+ gint selection_width, selection_height;
+ cairo_surface_t *selection_surface = NULL;
+
+ page_surface = ev_pixbuf_cache_get_surface (view->pixbuf_cache, page);
+
+ if (!page_surface) {
+ if (page == current_page)
+ show_loading_window (view);
+
+ *page_ready = FALSE;
+
+ return;
+ }
+
+ if (page == current_page)
+ hide_loading_window (view);
+
+ ev_view_get_page_size (view, page, &width, &height);
+
+ page_width = cairo_image_surface_get_width (page_surface);
+ page_height = cairo_image_surface_get_height (page_surface);
+
+ cairo_save (cr);
+ cairo_translate (cr, overlap.x, overlap.y);
+
+ if (width != page_width || height != page_height) {
+ cairo_pattern_set_filter (cairo_get_source (cr),
+ CAIRO_FILTER_FAST);
+ cairo_scale (cr,
+ (gdouble)width / page_width,
+ (gdouble)height / page_height);
+ }
+
+ cairo_surface_set_device_offset (page_surface,
+ overlap.x - real_page_area.x,
+ overlap.y - real_page_area.y);
+ cairo_set_source_surface (cr, page_surface, 0, 0);
+ cairo_paint (cr);
+ cairo_restore (cr);
+
+ /* Get the selection pixbuf iff we have something to draw */
+ if (find_selection_for_page (view, page) &&
+ view->selection_mode == EV_VIEW_SELECTION_TEXT) {
+ selection_surface =
+ ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
+ page,
+ view->scale,
+ NULL);
+ }
+
+ if (!selection_surface) {
+ return;
+ }
+
+ selection_width = cairo_image_surface_get_width (selection_surface);
+ selection_height = cairo_image_surface_get_height (selection_surface);
+
+ cairo_save (cr);
+ cairo_translate (cr, overlap.x, overlap.y);
+
+ if (width != selection_width || height != selection_height) {
+ cairo_pattern_set_filter (cairo_get_source (cr),
+ CAIRO_FILTER_FAST);
+ cairo_scale (cr,
+ (gdouble)width / selection_width,
+ (gdouble)height / selection_height);
+ }
+
+ cairo_surface_set_device_offset (selection_surface,
+ overlap.x - real_page_area.x,
+ overlap.y - real_page_area.y);
+
+ cairo_set_source_surface (cr, selection_surface, 0, 0);
+ cairo_paint (cr);
+ cairo_restore (cr);
+ }
+}
+
+/*** GObject functions ***/
+
+static void
+ev_view_finalize (GObject *object)
+{
+ EvView *view = EV_VIEW (object);
+
+ clear_selection (view);
+ clear_link_selected (view);
+
+ if (view->synctex_result) {
+ g_free (view->synctex_result);
+ view->synctex_result = NULL;
+ }
+
+ if (view->image_dnd_info.image)
+ g_object_unref (view->image_dnd_info.image);
+ view->image_dnd_info.image = NULL;
+
+ G_OBJECT_CLASS (ev_view_parent_class)->finalize (object);
+}
+
+static void
+ev_view_destroy (GtkObject *object)
+{
+ EvView *view = EV_VIEW (object);
+
+ if (view->model) {
+ g_object_unref (view->model);
+ view->model = NULL;
+ }
+
+ if (view->pixbuf_cache) {
+ g_object_unref (view->pixbuf_cache);
+ view->pixbuf_cache = NULL;
+ }
+
+ if (view->document) {
+ g_object_unref (view->document);
+ view->document = NULL;
+ }
+
+ if (view->page_cache) {
+ g_object_unref (view->page_cache);
+ view->page_cache = NULL;
+ }
+
+ ev_view_window_children_free (view);
+
+ if (view->selection_scroll_id) {
+ g_source_remove (view->selection_scroll_id);
+ view->selection_scroll_id = 0;
+ }
+
+ if (view->selection_update_id) {
+ g_source_remove (view->selection_update_id);
+ view->selection_update_id = 0;
+ }
+
+ if (view->scroll_info.timeout_id) {
+ g_source_remove (view->scroll_info.timeout_id);
+ view->scroll_info.timeout_id = 0;
+ }
+
+ if (view->drag_info.drag_timeout_id) {
+ g_source_remove (view->drag_info.drag_timeout_id);
+ view->drag_info.drag_timeout_id = 0;
+ }
+
+ if (view->drag_info.release_timeout_id) {
+ g_source_remove (view->drag_info.release_timeout_id);
+ view->drag_info.release_timeout_id = 0;
+ }
+
+ if (view->loading_timeout) {
+ g_source_remove (view->loading_timeout);
+ view->loading_timeout = 0;
+ }
+
+ ev_view_set_scroll_adjustments (GTK_LAYOUT (view), NULL, NULL);
+
+ GTK_OBJECT_CLASS (ev_view_parent_class)->destroy (object);
+}
+
+static AtkObject *
+ev_view_get_accessible (GtkWidget *widget)
+{
+ static gboolean first_time = TRUE;
+
+ if (first_time) {
+ AtkObjectFactory *factory;
+ AtkRegistry *registry;
+ GType derived_type;
+ GType derived_atk_type;
+
+ /*
+ * Figure out whether accessibility is enabled by looking at the
+ * type of the accessible object which would be created for
+ * the parent type of EvView.
+ */
+ derived_type = g_type_parent (EV_TYPE_VIEW);
+
+ registry = atk_get_default_registry ();
+ factory = atk_registry_get_factory (registry,
+ derived_type);
+ derived_atk_type = atk_object_factory_get_accessible_type (factory);
+ if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE)) {
+ atk_registry_set_factory_type (registry,
+ EV_TYPE_VIEW,
+ ev_view_accessible_factory_get_type ());
+ EV_VIEW (widget)->a11y_enabled = TRUE;
+ }
+ first_time = FALSE;
+ }
+ return GTK_WIDGET_CLASS (ev_view_parent_class)->get_accessible (widget);
+}
+
+static void
+ev_view_class_init (EvViewClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (class);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
+ GtkLayoutClass *layout_class = GTK_LAYOUT_CLASS (class);
+ GtkBindingSet *binding_set;
+
+ object_class->finalize = ev_view_finalize;
+
+ widget_class->expose_event = ev_view_expose_event;
+ widget_class->button_press_event = ev_view_button_press_event;
+ widget_class->motion_notify_event = ev_view_motion_notify_event;
+ widget_class->button_release_event = ev_view_button_release_event;
+ widget_class->key_press_event = ev_view_key_press_event;
+ widget_class->focus_in_event = ev_view_focus_in;
+ widget_class->focus_out_event = ev_view_focus_out;
+ widget_class->get_accessible = ev_view_get_accessible;
+ widget_class->size_request = ev_view_size_request;
+ widget_class->size_allocate = ev_view_size_allocate;
+ widget_class->realize = ev_view_realize;
+ widget_class->scroll_event = ev_view_scroll_event;
+ widget_class->enter_notify_event = ev_view_enter_notify_event;
+ widget_class->leave_notify_event = ev_view_leave_notify_event;
+ widget_class->style_set = ev_view_style_set;
+ widget_class->drag_data_get = ev_view_drag_data_get;
+ widget_class->drag_motion = ev_view_drag_motion;
+ widget_class->popup_menu = ev_view_popup_menu;
+ widget_class->query_tooltip = ev_view_query_tooltip;
+
+ gtk_object_class->destroy = ev_view_destroy;
+
+ layout_class->set_scroll_adjustments = ev_view_set_scroll_adjustments;
+
+ class->binding_activated = ev_view_scroll;
+
+ signals[SIGNAL_BINDING_ACTIVATED] = g_signal_new ("binding_activated",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, binding_activated),
+ NULL, NULL,
+ ev_view_marshal_VOID__ENUM_BOOLEAN,
+ G_TYPE_NONE, 2,
+ GTK_TYPE_SCROLL_TYPE,
+ G_TYPE_BOOLEAN);
+ signals[SIGNAL_HANDLE_LINK] = g_signal_new ("handle-link",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, handle_link),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
+ signals[SIGNAL_EXTERNAL_LINK] = g_signal_new ("external-link",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, external_link),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ G_TYPE_OBJECT);
+ signals[SIGNAL_POPUP_MENU] = g_signal_new ("popup",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, popup_menu),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
+ signals[SIGNAL_SELECTION_CHANGED] = g_signal_new ("selection-changed",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, selection_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0,
+ G_TYPE_NONE);
+ signals[SIGNAL_SYNC_SOURCE] = g_signal_new ("sync-source",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, sync_source),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__POINTER,
+ G_TYPE_NONE, 1,
+ G_TYPE_POINTER);
+ signals[SIGNAL_ANNOT_ADDED] = g_signal_new ("annot-added",
+ G_TYPE_FROM_CLASS (object_class),
+ G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+ G_STRUCT_OFFSET (EvViewClass, annot_added),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__OBJECT,
+ G_TYPE_NONE, 1,
+ EV_TYPE_ANNOTATION);
+
+ binding_set = gtk_binding_set_by_class (class);
+
+ add_scroll_binding_keypad (binding_set, GDK_Left, 0, GTK_SCROLL_STEP_BACKWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Right, 0, GTK_SCROLL_STEP_FORWARD, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Left, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Right, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, TRUE);
+ add_scroll_binding_keypad (binding_set, GDK_Up, 0, GTK_SCROLL_STEP_BACKWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Down, 0, GTK_SCROLL_STEP_FORWARD, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Up, GDK_MOD1_MASK, GTK_SCROLL_STEP_DOWN, FALSE);
+ add_scroll_binding_keypad (binding_set, GDK_Down, GDK_MOD1_MASK, GTK_SCROLL_STEP_UP, FALSE);
+ gtk_binding_entry_add_signal (binding_set, GDK_H, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, TRUE);
+ gtk_binding_entry_add_signal (binding_set, GDK_J, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, FALSE);
+ gtk_binding_entry_add_signal (binding_set, GDK_K, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_STEP_BACKWARD, G_TYPE_BOOLEAN, FALSE);
+ gtk_binding_entry_add_signal (binding_set, GDK_L, 0, "binding_activated", 2, GTK_TYPE_SCROLL_TYPE,
+ GTK_SCROLL_STEP_FORWARD, G_TYPE_BOOLEAN, TRUE);
+
+}
+
+static void
+ev_view_init (EvView *view)
+{
+ gtk_widget_set_can_focus (GTK_WIDGET (view), TRUE);
+
+ view->start_page = -1;
+ view->end_page = -1;
+ view->spacing = 5;
+ view->scale = 1.0;
+ view->current_page = 0;
+ view->pressed_button = -1;
+ view->cursor = EV_VIEW_CURSOR_NORMAL;
+ view->drag_info.in_drag = FALSE;
+ view->scroll_info.autoscrolling = FALSE;
+ view->selection_info.selections = NULL;
+ view->selection_info.in_selection = FALSE;
+ view->selection_info.in_drag = FALSE;
+ view->selection_mode = EV_VIEW_SELECTION_TEXT;
+ view->continuous = TRUE;
+ view->dual_page = FALSE;
+ view->fullscreen = FALSE;
+ view->sizing_mode = EV_SIZING_FIT_WIDTH;
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
+ view->jump_to_find_result = TRUE;
+ view->highlight_find_results = FALSE;
+
+ gtk_layout_set_hadjustment (GTK_LAYOUT (view), NULL);
+ gtk_layout_set_vadjustment (GTK_LAYOUT (view), NULL);
+}
+
+/*** Callbacks ***/
+
+static void
+ev_view_change_page (EvView *view,
+ gint new_page)
+{
+ gint x, y;
+
+ view->current_page = new_page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+
+ hide_loading_window (view);
+
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ ev_view_handle_cursor_over_xy (view, x, y);
+
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+job_finished_cb (EvPixbufCache *pixbuf_cache,
+ cairo_region_t *region,
+ EvView *view)
+{
+ if (region) {
+ GdkWindow *bin_window;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+#if GTK_CHECK_VERSION(2, 90, 5)
+ gdk_window_invalidate_region (bin_window, region, TRUE);
+#else
+ {
+ GdkRegion *gdk_region = gdk_region_new ();
+ guint n_recs = cairo_region_num_rectangles (region);
+ guint i;
+
+ for (i = 0; i < n_recs; i++) {
+ cairo_rectangle_int_t rect;
+
+ cairo_region_get_rectangle (region, i, &rect);
+ gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
+ }
+ gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
+ gdk_region_destroy (gdk_region);
+ }
+#endif
+ } else {
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+}
+
+static void
+ev_view_page_changed_cb (EvDocumentModel *model,
+ gint old_page,
+ gint new_page,
+ EvView *view)
+{
+ if (!view->document)
+ return;
+
+ if (view->current_page != new_page) {
+ ev_view_change_page (view, new_page);
+ } else {
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+
+ view->find_result = 0;
+}
+
+static void
+on_adjustment_value_changed (GtkAdjustment *adjustment,
+ EvView *view)
+{
+ int dx = 0, dy = 0;
+ gint x, y;
+ gint value;
+ GList *children, *l;
+
+ if (!gtk_widget_get_realized (GTK_WIDGET (view)))
+ return;
+
+ if (view->hadjustment) {
+ value = (gint) gtk_adjustment_get_value (view->hadjustment);
+ dx = view->scroll_x - value;
+ view->scroll_x = value;
+ } else {
+ view->scroll_x = 0;
+ }
+
+ if (view->vadjustment) {
+ value = (gint) gtk_adjustment_get_value (view->vadjustment);
+ dy = view->scroll_y - value;
+ view->scroll_y = value;
+ } else {
+ view->scroll_y = 0;
+ }
+
+ children = gtk_container_get_children (GTK_CONTAINER (view));
+ for (l = children; l && l->data; l = g_list_next (l)) {
+ gint child_x, child_y;
+ GtkWidget *child = (GtkWidget *)l->data;
+
+ gtk_container_child_get (GTK_CONTAINER (view),
+ child,
+ "x", &child_x,
+ "y", &child_y,
+ NULL);
+ gtk_layout_move (GTK_LAYOUT (view), child, child_x + dx, child_y + dy);
+ }
+ g_list_free (children);
+
+ for (l = view->window_children; l && l->data; l = g_list_next (l)) {
+ EvViewWindowChild *child;
+
+ child = (EvViewWindowChild *)l->data;
+
+ ev_view_window_child_move (view, child, child->x + dx, child->y + dy);
+ }
+
+ if (view->pending_resize) {
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ } else {
+ GdkWindow *bin_window;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ gdk_window_scroll (bin_window, dx, dy);
+ }
+
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ ev_view_handle_cursor_over_xy (view, x, y);
+
+ if (view->document)
+ view_update_range_and_current_page (view);
+}
+
+GtkWidget*
+ev_view_new (void)
+{
+ GtkWidget *view;
+
+ view = g_object_new (EV_TYPE_VIEW, NULL);
+
+ return view;
+}
+
+static void
+setup_caches (EvView *view)
+{
+ gboolean inverted_colors;
+
+ view->height_to_page_cache = ev_view_get_height_to_page_cache (view);
+ view->pixbuf_cache = ev_pixbuf_cache_new (GTK_WIDGET (view), view->model, view->pixbuf_cache_size);
+ view->page_cache = ev_page_cache_new (view->document);
+ if (view->a11y_enabled) {
+ EvJobPageDataFlags flags = ev_page_cache_get_flags (view->page_cache);
+
+ ev_page_cache_set_flags (view->page_cache,
+ flags |
+ EV_PAGE_DATA_INCLUDE_TEXT_LAYOUT |
+ EV_PAGE_DATA_INCLUDE_TEXT);
+ }
+ inverted_colors = ev_document_model_get_inverted_colors (view->model);
+ ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
+ g_signal_connect (view->pixbuf_cache, "job-finished", G_CALLBACK (job_finished_cb), view);
+}
+
+static void
+clear_caches (EvView *view)
+{
+ if (view->pixbuf_cache) {
+ g_object_unref (view->pixbuf_cache);
+ view->pixbuf_cache = NULL;
+ }
+
+ if (view->page_cache) {
+ g_object_unref (view->page_cache);
+ view->page_cache = NULL;
+ }
+}
+
+/**
+ * ev_view_set_page_cache_size:
+ * @view:
+ * @cache_size:
+ *
+ * Sets the maximum size in bytes that will be used to cache
+ * rendered pages. Use 0 to disable caching rendered pages.
+ *
+ * Note that this limit doesn't affect the current visible page range,
+ * which will always be rendered. In order to limit the total memory used
+ * you have to use ev_document_model_set_max_scale() too.
+ *
+ */
+void
+ev_view_set_page_cache_size (EvView *view,
+ gsize cache_size)
+{
+ if (view->pixbuf_cache_size == cache_size)
+ return;
+
+ view->pixbuf_cache_size = cache_size;
+ if (view->pixbuf_cache)
+ ev_pixbuf_cache_set_max_size (view->pixbuf_cache, cache_size);
+}
+
+void
+ev_view_set_loading (EvView *view,
+ gboolean loading)
+{
+ if (view->loading && !loading)
+ hide_loading_window (view);
+ view->loading = loading;
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+static gboolean
+ev_view_autoscroll_cb (EvView *view)
+{
+ gdouble speed, value;
+
+ /* If the user stops autoscrolling, autoscrolling will be
+ * set to false but the timeout will continue; stop the timeout: */
+ if (!view->scroll_info.autoscrolling) {
+ view->scroll_info.timeout_id = 0;
+ return FALSE;
+ }
+
+ if (view->scroll_info.last_y > view->scroll_info.start_y &&
+ (view->scroll_info.last_y < view->scroll_info.start_y))
+ return TRUE;
+
+ /* Replace 100 with your speed of choice: The lower the faster.
+ * Replace 3 with another speed of choice: The higher, the faster it accelerated
+ * based on the distance of the starting point from the mouse
+ * (All also effected by the timeout interval of this callback) */
+
+ if (view->scroll_info.start_y > view->scroll_info.last_y)
+ speed = -pow ((((gdouble)view->scroll_info.start_y - view->scroll_info.last_y) / 100), 3);
+ else
+ speed = pow ((((gdouble)view->scroll_info.last_y - view->scroll_info.start_y) / 100), 3);
+
+ value = gtk_adjustment_get_value (view->vadjustment);
+ value = CLAMP (value + speed, 0,
+ gtk_adjustment_get_upper (view->vadjustment) -
+ gtk_adjustment_get_page_size (view->vadjustment));
+ gtk_adjustment_set_value (view->vadjustment, value);
+
+ return TRUE;
+
+}
+
+void
+ev_view_autoscroll_start (EvView *view)
+{
+ gint x, y;
+
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ if (view->scroll_info.autoscrolling)
+ return;
+
+ view->scroll_info.autoscrolling = TRUE;
+ view->scroll_info.timeout_id =
+ g_timeout_add (20, (GSourceFunc)ev_view_autoscroll_cb,
+ view);
+
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ ev_view_handle_cursor_over_xy (view, x, y);
+}
+
+void
+ev_view_autoscroll_stop (EvView *view)
+{
+ gint x, y;
+
+ g_return_if_fail (EV_IS_VIEW (view));
+
+ if (!view->scroll_info.autoscrolling)
+ return;
+
+ view->scroll_info.autoscrolling = FALSE;
+ if (view->scroll_info.timeout_id) {
+ g_source_remove (view->scroll_info.timeout_id);
+ view->scroll_info.timeout_id = 0;
+ }
+
+ gtk_widget_get_pointer (GTK_WIDGET (view), &x, &y);
+ ev_view_handle_cursor_over_xy (view, x, y);
+}
+
+static void
+ev_view_document_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ EvDocument *document = ev_document_model_get_document (model);
+
+ if (document != view->document) {
+ gint current_page;
+
+ clear_caches (view);
+
+ if (view->document) {
+ g_object_unref (view->document);
+ }
+
+ view->document = document;
+ view->find_result = 0;
+
+ if (view->document) {
+ view->loading = FALSE;
+ g_object_ref (view->document);
+ setup_caches (view);
+ }
+
+ current_page = ev_document_model_get_page (model);
+ if (view->current_page != current_page) {
+ ev_view_change_page (view, current_page);
+ } else {
+ view->pending_scroll = SCROLL_TO_KEEP_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ }
+ }
+}
+
+static void
+ev_view_rotation_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ gint rotation = ev_document_model_get_rotation (model);
+
+ view->rotation = rotation;
+
+ if (view->pixbuf_cache) {
+ ev_pixbuf_cache_clear (view->pixbuf_cache);
+ if (!ev_document_is_page_size_uniform (view->document))
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+ }
+
+ ev_view_remove_all (view);
+
+ if (rotation != 0)
+ clear_selection (view);
+}
+
+static void
+ev_view_inverted_colors_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ if (view->pixbuf_cache) {
+ gboolean inverted_colors;
+
+ inverted_colors = ev_document_model_get_inverted_colors (model);
+ ev_pixbuf_cache_set_inverted_colors (view->pixbuf_cache, inverted_colors);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+}
+
+static void
+ev_view_sizing_mode_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ EvSizingMode mode = ev_document_model_get_sizing_mode (model);
+
+ view->sizing_mode = mode;
+ if (mode != EV_SIZING_FREE)
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+#define EPSILON 0.0000001
+static void
+ev_view_scale_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ gdouble scale = ev_document_model_get_scale (model);
+
+ if (ABS (view->scale - scale) < EPSILON)
+ return;
+
+ view->scale = scale;
+
+ view->pending_resize = TRUE;
+ if (view->sizing_mode == EV_SIZING_FREE)
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+ev_view_continuous_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ gboolean continuous = ev_document_model_get_continuous (model);
+
+ view->continuous = continuous;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+ev_view_dual_page_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ gboolean dual_page = ev_document_model_get_dual_page (model);
+
+ view->dual_page = dual_page;
+ view->pending_scroll = SCROLL_TO_PAGE_POSITION;
+ /* FIXME: if we're keeping the pixbuf cache around, we should extend the
+ * preload_cache_size to be 2 if dual_page is set.
+ */
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+static void
+ev_view_fullscreen_changed_cb (EvDocumentModel *model,
+ GParamSpec *pspec,
+ EvView *view)
+{
+ gboolean fullscreen = ev_document_model_get_fullscreen (model);
+
+ view->fullscreen = fullscreen;
+ gtk_widget_queue_resize (GTK_WIDGET (view));
+}
+
+void
+ev_view_set_model (EvView *view,
+ EvDocumentModel *model)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+ g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));
+
+ if (model == view->model)
+ return;
+
+ if (view->model) {
+ g_signal_handlers_disconnect_by_func (view->model,
+ ev_view_document_changed_cb,
+ view);
+ g_signal_handlers_disconnect_by_func (view->model,
+ ev_view_page_changed_cb,
+ view);
+ g_object_unref (view->model);
+ }
+ view->model = g_object_ref (model);
+
+ /* Initialize view from model */
+ view->rotation = ev_document_model_get_rotation (view->model);
+ view->sizing_mode = ev_document_model_get_sizing_mode (view->model);
+ view->scale = ev_document_model_get_scale (view->model);
+ view->continuous = ev_document_model_get_continuous (view->model);
+ view->dual_page = ev_document_model_get_dual_page (view->model);
+ view->fullscreen = ev_document_model_get_fullscreen (view->model);
+ ev_view_document_changed_cb (view->model, NULL, view);
+
+ g_signal_connect (view->model, "notify::document",
+ G_CALLBACK (ev_view_document_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::rotation",
+ G_CALLBACK (ev_view_rotation_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::inverted-colors",
+ G_CALLBACK (ev_view_inverted_colors_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::sizing-mode",
+ G_CALLBACK (ev_view_sizing_mode_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::scale",
+ G_CALLBACK (ev_view_scale_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::continuous",
+ G_CALLBACK (ev_view_continuous_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::dual-page",
+ G_CALLBACK (ev_view_dual_page_changed_cb),
+ view);
+ g_signal_connect (view->model, "notify::fullscreen",
+ G_CALLBACK (ev_view_fullscreen_changed_cb),
+ view);
+ g_signal_connect (view->model, "page-changed",
+ G_CALLBACK (ev_view_page_changed_cb),
+ view);
+}
+
+static void
+ev_view_reload_page (EvView *view,
+ gint page,
+ cairo_region_t *region)
+{
+ ev_pixbuf_cache_reload_page (view->pixbuf_cache,
+ region,
+ page,
+ view->rotation,
+ view->scale);
+}
+
+void
+ev_view_reload (EvView *view)
+{
+ ev_pixbuf_cache_clear (view->pixbuf_cache);
+ view_update_range_and_current_page (view);
+}
+
+/*** Zoom and sizing mode ***/
+
+gboolean
+ev_view_can_zoom_in (EvView *view)
+{
+ return view->scale * ZOOM_IN_FACTOR <= ev_document_model_get_max_scale (view->model);
+}
+
+gboolean
+ev_view_can_zoom_out (EvView *view)
+{
+ return view->scale * ZOOM_OUT_FACTOR >= ev_document_model_get_min_scale (view->model);
+}
+
+void
+ev_view_zoom_in (EvView *view)
+{
+ gdouble scale;
+
+ g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
+
+ view->pending_scroll = SCROLL_TO_CENTER;
+ scale = ev_document_model_get_scale (view->model) * ZOOM_IN_FACTOR;
+ ev_document_model_set_scale (view->model, scale);
+}
+
+void
+ev_view_zoom_out (EvView *view)
+{
+ gdouble scale;
+
+ g_return_if_fail (view->sizing_mode == EV_SIZING_FREE);
+
+ view->pending_scroll = SCROLL_TO_CENTER;
+ scale = ev_document_model_get_scale (view->model) * ZOOM_OUT_FACTOR;
+ ev_document_model_set_scale (view->model, scale);
+}
+
+static double
+zoom_for_size_fit_width (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height)
+{
+ return (double)target_width / doc_width;
+}
+
+static double
+zoom_for_size_fit_height (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height)
+{
+ return (double)target_height / doc_height;
+}
+
+static double
+zoom_for_size_best_fit (gdouble doc_width,
+ gdouble doc_height,
+ int target_width,
+ int target_height)
+{
+ double w_scale;
+ double h_scale;
+
+ w_scale = (double)target_width / doc_width;
+ h_scale = (double)target_height / doc_height;
+
+ return MIN (w_scale, h_scale);
+}
+
+static void
+ev_view_zoom_for_size_continuous_and_dual_page (EvView *view,
+ int width,
+ int height)
+{
+ gdouble doc_width, doc_height;
+ GtkBorder border;
+ gdouble scale;
+ gint sb_size;
+
+ ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
+ if (view->rotation == 90 || view->rotation == 270) {
+ gdouble tmp;
+
+ tmp = doc_width;
+ doc_width = doc_height;
+ doc_height = tmp;
+ }
+
+ compute_border (view, doc_width, doc_height, &border);
+
+ doc_width *= 2;
+ width -= (2 * (border.left + border.right) + 3 * view->spacing);
+ height -= (border.top + border.bottom + 2 * view->spacing - 1);
+
+ sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
+ else
+ g_assert_not_reached ();
+
+ ev_document_model_set_scale (view->model, scale);
+}
+
+static void
+ev_view_zoom_for_size_continuous (EvView *view,
+ int width,
+ int height)
+{
+ gdouble doc_width, doc_height;
+ GtkBorder border;
+ gdouble scale;
+ gint sb_size;
+
+ ev_document_get_max_page_size (view->document, &doc_width, &doc_height);
+ if (view->rotation == 90 || view->rotation == 270) {
+ gdouble tmp;
+
+ tmp = doc_width;
+ doc_width = doc_height;
+ doc_height = tmp;
+ }
+
+ compute_border (view, doc_width, doc_height, &border);
+
+ width -= (border.left + border.right + 2 * view->spacing);
+ height -= (border.top + border.bottom + 2 * view->spacing - 1);
+
+ sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width - sb_size, height);
+ else
+ g_assert_not_reached ();
+
+ ev_document_model_set_scale (view->model, scale);
+}
+
+static void
+ev_view_zoom_for_size_dual_page (EvView *view,
+ int width,
+ int height)
+{
+ GtkBorder border;
+ gdouble doc_width, doc_height;
+ gdouble scale;
+ gint other_page;
+
+ other_page = view->current_page ^ 1;
+
+ /* Find the largest of the two. */
+ get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
+ if (other_page < ev_document_get_n_pages (view->document)) {
+ gdouble width_2, height_2;
+
+ get_doc_page_size (view, other_page, &width_2, &height_2);
+ if (width_2 > doc_width)
+ doc_width = width_2;
+ if (height_2 > doc_height)
+ doc_height = height_2;
+ }
+ compute_border (view, width, height, &border);
+
+ doc_width = doc_width * 2;
+ width -= ((border.left + border.right)* 2 + 3 * view->spacing);
+ height -= (border.top + border.bottom + 2 * view->spacing);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ gint sb_size;
+
+ sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
+ else
+ g_assert_not_reached ();
+
+ ev_document_model_set_scale (view->model, scale);
+}
+
+static void
+ev_view_zoom_for_size_single_page (EvView *view,
+ int width,
+ int height)
+{
+ gdouble doc_width, doc_height;
+ GtkBorder border;
+ gdouble scale;
+
+ get_doc_page_size (view, view->current_page, &doc_width, &doc_height);
+
+ /* Get an approximate border */
+ compute_border (view, width, height, &border);
+
+ width -= (border.left + border.right + 2 * view->spacing);
+ height -= (border.top + border.bottom + 2 * view->spacing);
+
+ if (view->sizing_mode == EV_SIZING_FIT_WIDTH) {
+ gint sb_size;
+
+ sb_size = ev_view_get_scrollbar_size (view, GTK_ORIENTATION_VERTICAL);
+ scale = zoom_for_size_fit_width (doc_width, doc_height, width - sb_size, height);
+ } else if (view->sizing_mode == EV_SIZING_BEST_FIT)
+ scale = zoom_for_size_best_fit (doc_width, doc_height, width, height);
+ else
+ g_assert_not_reached ();
+
+ ev_document_model_set_scale (view->model, scale);
+}
+
+static void
+ev_view_zoom_for_size (EvView *view,
+ int width,
+ int height)
+{
+ g_return_if_fail (EV_IS_VIEW (view));
+ g_return_if_fail (view->sizing_mode == EV_SIZING_FIT_WIDTH ||
+ view->sizing_mode == EV_SIZING_BEST_FIT);
+ g_return_if_fail (width >= 0);
+ g_return_if_fail (height >= 0);
+
+ if (view->document == NULL)
+ return;
+
+ if (view->continuous && view->dual_page)
+ ev_view_zoom_for_size_continuous_and_dual_page (view, width, height);
+ else if (view->continuous)
+ ev_view_zoom_for_size_continuous (view, width, height);
+ else if (view->dual_page)
+ ev_view_zoom_for_size_dual_page (view, width, height);
+ else
+ ev_view_zoom_for_size_single_page (view, width, height);
+}
+
+/*** Find ***/
+static gint
+ev_view_find_get_n_results (EvView *view, gint page)
+{
+ return view->find_pages ? g_list_length (view->find_pages[page]) : 0;
+}
+
+static EvRectangle *
+ev_view_find_get_result (EvView *view, gint page, gint result)
+{
+ return view->find_pages ? (EvRectangle *) g_list_nth_data (view->find_pages[page], result) : NULL;
+}
+
+static void
+jump_to_find_result (EvView *view)
+{
+ gint n_results;
+ gint page = view->current_page;
+
+ n_results = ev_view_find_get_n_results (view, page);
+
+ if (n_results > 0 && view->find_result < n_results) {
+ EvRectangle *rect;
+ GdkRectangle view_rect;
+
+ rect = ev_view_find_get_result (view, page, view->find_result);
+ doc_rect_to_view_rect (view, page, rect, &view_rect);
+ ensure_rectangle_is_visible (view, &view_rect);
+ view->jump_to_find_result = FALSE;
+ }
+}
+
+/**
+ * jump_to_find_page
+ * @view: #EvView instance
+ * @direction: Direction to look
+ * @shift: Shift from current page
+ *
+ * Jumps to the first page that has occurences of searched word.
+ * Uses a direction where to look and a shift from current page.
+ *
+ */
+static void
+jump_to_find_page (EvView *view, EvViewFindDirection direction, gint shift)
+{
+ int n_pages, i;
+
+ n_pages = ev_document_get_n_pages (view->document);
+
+ for (i = 0; i < n_pages; i++) {
+ int page;
+
+ if (direction == EV_VIEW_FIND_NEXT)
+ page = view->current_page + i;
+ else
+ page = view->current_page - i;
+ page += shift;
+
+ if (page >= n_pages) {
+ page = page - n_pages;
+ } else if (page < 0)
+ page = page + n_pages;
+
+ if (ev_view_find_get_n_results (view, page) > 0) {
+ ev_document_model_set_page (view->model, page);
+ break;
+ }
+ }
+}
+
+void
+ev_view_find_changed (EvView *view, GList **results, gint page)
+{
+ view->find_pages = results;
+
+ if (view->jump_to_find_result == TRUE) {
+ jump_to_find_page (view, EV_VIEW_FIND_NEXT, 0);
+ jump_to_find_result (view);
+ }
+
+ if (view->current_page == page)
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+void
+ev_view_find_next (EvView *view)
+{
+ gint n_results;
+
+ n_results = ev_view_find_get_n_results (view, view->current_page);
+ view->find_result++;
+
+ if (view->find_result >= n_results) {
+ view->find_result = 0;
+ jump_to_find_page (view, EV_VIEW_FIND_NEXT, 1);
+ jump_to_find_result (view);
+ } else {
+ jump_to_find_result (view);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+}
+
+void
+ev_view_find_previous (EvView *view)
+{
+ view->find_result--;
+
+ if (view->find_result < 0) {
+ jump_to_find_page (view, EV_VIEW_FIND_PREV, -1);
+ view->find_result = MAX (0, ev_view_find_get_n_results (view, view->current_page) - 1);
+ jump_to_find_result (view);
+ } else {
+ jump_to_find_result (view);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+ }
+}
+
+void
+ev_view_find_search_changed (EvView *view)
+{
+ /* search string has changed, focus on new search result */
+ view->jump_to_find_result = TRUE;
+ view->find_pages = NULL;
+}
+
+void
+ev_view_find_set_highlight_search (EvView *view, gboolean value)
+{
+ view->highlight_find_results = value;
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+void
+ev_view_find_cancel (EvView *view)
+{
+ view->find_pages = NULL;
+}
+
+/*** Synctex ***/
+void
+ev_view_highlight_forward_search (EvView *view,
+ EvSourceLink *link)
+{
+ EvMapping *mapping;
+ gint page;
+ GdkRectangle view_rect;
+
+ if (!ev_document_has_synctex (view->document))
+ return;
+
+ mapping = ev_document_synctex_forward_search (view->document, link);
+ if (!mapping)
+ return;
+
+ if (view->synctex_result)
+ g_free (view->synctex_result);
+ view->synctex_result = mapping;
+
+ page = GPOINTER_TO_INT (mapping->data);
+ ev_document_model_set_page (view->model, page);
+
+ doc_rect_to_view_rect (view, page, &mapping->area, &view_rect);
+ ensure_rectangle_is_visible (view, &view_rect);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+/*** Selections ***/
+
+/* compute_new_selection_rect/text calculates the area currently selected by
+ * view_rect. each handles a different mode;
+ */
+static GList *
+compute_new_selection_rect (EvView *view,
+ GdkPoint *start,
+ GdkPoint *stop)
+{
+ GdkRectangle view_rect;
+ int n_pages, i;
+ GList *list = NULL;
+
+ g_assert (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE);
+
+ view_rect.x = MIN (start->x, stop->x);
+ view_rect.y = MIN (start->y, stop->y);
+ view_rect.width = MAX (start->x, stop->x) - view_rect.x;
+ view_rect.width = MAX (start->y, stop->y) - view_rect.y;
+
+ n_pages = ev_document_get_n_pages (view->document);
+
+ for (i = 0; i < n_pages; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ if (ev_view_get_page_extents (view, i, &page_area, &border)) {
+ GdkRectangle overlap;
+
+ if (gdk_rectangle_intersect (&page_area, &view_rect, &overlap)) {
+ EvViewSelection *selection;
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ view_rect_to_doc_rect (view, &overlap, &page_area,
+ &(selection->rect));
+
+ list = g_list_append (list, selection);
+ }
+ }
+ }
+
+ return list;
+}
+
+static gboolean
+gdk_rectangle_point_in (GdkRectangle *rectangle,
+ GdkPoint *point)
+{
+ return rectangle->x <= point->x &&
+ rectangle->y <= point->y &&
+ point->x < rectangle->x + rectangle->width &&
+ point->y < rectangle->y + rectangle->height;
+}
+
+static GList *
+compute_new_selection_text (EvView *view,
+ EvSelectionStyle style,
+ GdkPoint *start,
+ GdkPoint *stop)
+{
+ int n_pages, i, first, last;
+ GList *list = NULL;
+ EvViewSelection *selection;
+ gdouble width, height;
+ int start_page, end_page;
+
+ g_assert (view->selection_mode == EV_VIEW_SELECTION_TEXT);
+
+ n_pages = ev_document_get_n_pages (view->document);
+
+ /* First figure out the range of pages the selection
+ * affects. */
+ first = n_pages;
+ last = 0;
+ if (view->continuous) {
+ start_page = 0;
+ end_page = n_pages;
+ } else if (view->dual_page) {
+ start_page = view->start_page;
+ end_page = view->end_page + 1;
+ } else {
+ start_page = view->current_page;
+ end_page = view->current_page + 1;
+ }
+
+ for (i = start_page; i < end_page; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ ev_view_get_page_extents (view, i, &page_area, &border);
+ if (gdk_rectangle_point_in (&page_area, start) ||
+ gdk_rectangle_point_in (&page_area, stop)) {
+ if (first == n_pages)
+ first = i;
+ last = i;
+ }
+
+ }
+
+ /* Now create a list of EvViewSelection's for the affected
+ * pages. This could be an empty list, a list of just one
+ * page or a number of pages.*/
+ for (i = first; i < last + 1; i++) {
+ GdkRectangle page_area;
+ GtkBorder border;
+ GdkPoint *point;
+
+ get_doc_page_size (view, i, &width, &height);
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ selection->style = style;
+ selection->rect.x1 = selection->rect.y1 = 0;
+ selection->rect.x2 = width;
+ selection->rect.y2 = height;
+
+ ev_view_get_page_extents (view, i, &page_area, &border);
+
+ if (gdk_rectangle_point_in (&page_area, start))
+ point = start;
+ else
+ point = stop;
+
+ if (i == first)
+ view_point_to_doc_point (view, point, &page_area,
+ &selection->rect.x1,
+ &selection->rect.y1);
+
+ /* If the selection is contained within just one page,
+ * make sure we don't write 'start' into both points
+ * in selection->rect. */
+ if (first == last)
+ point = stop;
+
+ if (i == last)
+ view_point_to_doc_point (view, point, &page_area,
+ &selection->rect.x2,
+ &selection->rect.y2);
+
+ list = g_list_append (list, selection);
+ }
+
+ return list;
+}
+
+/* This function takes the newly calculated list, and figures out which regions
+ * have changed. It then queues a redraw approporiately.
+ */
+static void
+merge_selection_region (EvView *view,
+ GList *new_list)
+{
+ GList *old_list;
+ GList *new_list_ptr, *old_list_ptr;
+
+ /* Update the selection */
+ old_list = ev_pixbuf_cache_get_selection_list (view->pixbuf_cache);
+ g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
+ g_list_free (view->selection_info.selections);
+ view->selection_info.selections = new_list;
+ ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, new_list);
+ g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
+
+ new_list_ptr = new_list;
+ old_list_ptr = old_list;
+
+ while (new_list_ptr || old_list_ptr) {
+ EvViewSelection *old_sel, *new_sel;
+ int cur_page;
+ cairo_region_t *region = NULL;
+
+ new_sel = (new_list_ptr) ? (new_list_ptr->data) : NULL;
+ old_sel = (old_list_ptr) ? (old_list_ptr->data) : NULL;
+
+ /* Assume that the lists are in order, and we run through them
+ * comparing them, one page at a time. We come out with the
+ * first page we see. */
+ if (new_sel && old_sel) {
+ if (new_sel->page < old_sel->page) {
+ new_list_ptr = new_list_ptr->next;
+ old_sel = NULL;
+ } else if (new_sel->page > old_sel->page) {
+ old_list_ptr = old_list_ptr->next;
+ new_sel = NULL;
+ } else {
+ new_list_ptr = new_list_ptr->next;
+ old_list_ptr = old_list_ptr->next;
+ }
+ } else if (new_sel) {
+ new_list_ptr = new_list_ptr->next;
+ } else if (old_sel) {
+ old_list_ptr = old_list_ptr->next;
+ }
+
+ g_assert (new_sel || old_sel);
+
+ /* is the page we're looking at on the screen?*/
+ cur_page = new_sel ? new_sel->page : old_sel->page;
+ if (cur_page < view->start_page || cur_page > view->end_page)
+ continue;
+
+ /* seed the cache with a new page. We are going to need the new
+ * region too. */
+ if (new_sel) {
+ cairo_region_t *tmp_region = NULL;
+
+ ev_pixbuf_cache_get_selection_surface (view->pixbuf_cache,
+ cur_page,
+ view->scale,
+ &tmp_region);
+
+ if (tmp_region && !cairo_region_is_empty (tmp_region)) {
+ new_sel->covered_region = cairo_region_reference (tmp_region);
+ }
+ }
+
+ /* Now we figure out what needs redrawing */
+ if (old_sel && new_sel) {
+ if (old_sel->covered_region && new_sel->covered_region) {
+ /* We only want to redraw the areas that have
+ * changed, so we xor the old and new regions
+ * and redraw if it's different */
+ region = cairo_region_copy (old_sel->covered_region);
+#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 9, 12)
+ cairo_region_xor (region, new_sel->covered_region);
+#else
+ cairo_region_t *tbr;
+ tbr = cairo_region_copy (new_sel->covered_region);
+
+ /* xor old_sel, new_sel*/
+ cairo_region_subtract (tbr, region);
+ cairo_region_subtract (region, new_sel->covered_region);
+ cairo_region_union (region, tbr);
+ cairo_region_destroy (tbr);
+#endif
+
+ if (cairo_region_is_empty (region)) {
+ cairo_region_destroy (region);
+ region = NULL;
+ } else {
+ gint num_rectangles = cairo_region_num_rectangles (region);
+ GdkRectangle r;
+
+ /* We need to make the damage region a little bigger
+ * because the edges of the old selection might change
+ */
+ cairo_region_get_rectangle (region, 0, &r);
+ r.x -= 5;
+ r.width = 5;
+ cairo_region_union_rectangle (region, &r);
+
+ cairo_region_get_rectangle (region, num_rectangles - 1, &r);
+ r.x += r.width;
+ r.width = 5;
+ cairo_region_union_rectangle (region, &r);
+ }
+ } else if (old_sel->covered_region) {
+ region = cairo_region_copy (old_sel->covered_region);
+ } else if (new_sel->covered_region) {
+ region = cairo_region_copy (new_sel->covered_region);
+ }
+ } else if (old_sel && !new_sel) {
+ if (old_sel->covered_region && !cairo_region_is_empty (old_sel->covered_region)) {
+ region = cairo_region_copy (old_sel->covered_region);
+ }
+ } else if (!old_sel && new_sel) {
+ if (new_sel->covered_region && !cairo_region_is_empty (new_sel->covered_region)) {
+ region = cairo_region_copy (new_sel->covered_region);
+ }
+ } else {
+ g_assert_not_reached ();
+ }
+
+ /* Redraw the damaged region! */
+ if (region) {
+ GdkWindow *bin_window;
+ GdkRectangle page_area;
+ GtkBorder border;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ ev_view_get_page_extents (view, cur_page, &page_area, &border);
+ cairo_region_translate (region,
+ page_area.x + border.left - view->scroll_x,
+ page_area.y + border.top - view->scroll_y);
+#if GTK_CHECK_VERSION(2, 90, 5)
+ gdk_window_invalidate_region (bin_window, region, TRUE);
+#else
+ {
+ GdkRegion *gdk_region = gdk_region_new ();
+ guint n_recs = cairo_region_num_rectangles (region);
+ guint i;
+
+ for (i = 0; i < n_recs; i++) {
+ cairo_rectangle_int_t rect;
+
+ cairo_region_get_rectangle (region, i, &rect);
+ gdk_region_union_with_rect (gdk_region, (GdkRectangle *)&rect);
+ }
+ gdk_window_invalidate_region (bin_window, gdk_region, TRUE);
+ gdk_region_destroy (gdk_region);
+ }
+#endif
+ cairo_region_destroy (region);
+ }
+ }
+
+ /* Free the old list, now that we're done with it. */
+ g_list_foreach (old_list, (GFunc) selection_free, NULL);
+ g_list_free (old_list);
+}
+
+static void
+compute_selections (EvView *view,
+ EvSelectionStyle style,
+ GdkPoint *start,
+ GdkPoint *stop)
+{
+ GList *list;
+
+ if (view->selection_mode == EV_VIEW_SELECTION_RECTANGLE)
+ list = compute_new_selection_rect (view, start, stop);
+ else
+ list = compute_new_selection_text (view, style, start, stop);
+ merge_selection_region (view, list);
+}
+
+/* Free's the selection. It's up to the caller to queue redraws if needed.
+ */
+static void
+selection_free (EvViewSelection *selection)
+{
+ if (selection->covered_region)
+ cairo_region_destroy (selection->covered_region);
+ g_free (selection);
+}
+
+static void
+clear_selection (EvView *view)
+{
+ if (view->selection_info.selections) {
+ g_list_foreach (view->selection_info.selections, (GFunc)selection_free, NULL);
+ g_list_free (view->selection_info.selections);
+ view->selection_info.selections = NULL;
+
+ g_signal_emit (view, signals[SIGNAL_SELECTION_CHANGED], 0, NULL);
+ }
+ view->selection_info.in_selection = FALSE;
+ if (view->pixbuf_cache)
+ ev_pixbuf_cache_set_selection_list (view->pixbuf_cache, NULL);
+}
+
+void
+ev_view_select_all (EvView *view)
+{
+ GList *selections = NULL;
+ int n_pages, i;
+
+ /* Disable selection on rotated pages for the 0.4.0 series */
+ if (view->rotation != 0)
+ return;
+
+ clear_selection (view);
+
+ n_pages = ev_document_get_n_pages (view->document);
+ for (i = 0; i < n_pages; i++) {
+ gdouble width, height;
+ EvViewSelection *selection;
+
+ get_doc_page_size (view, i, &width, &height);
+
+ selection = g_new0 (EvViewSelection, 1);
+ selection->page = i;
+ selection->style = EV_SELECTION_STYLE_GLYPH;
+ selection->rect.x1 = selection->rect.y1 = 0;
+ selection->rect.x2 = width;
+ selection->rect.y2 = height;
+
+ selections = g_list_append (selections, selection);
+ }
+
+ merge_selection_region (view, selections);
+ gtk_widget_queue_draw (GTK_WIDGET (view));
+}
+
+gboolean
+ev_view_get_has_selection (EvView *view)
+{
+ return view->selection_info.selections != NULL;
+}
+
+static char *
+get_selected_text (EvView *view)
+{
+ GString *text;
+ GList *l;
+ gchar *normalized_text;
+
+ text = g_string_new (NULL);
+
+ ev_document_doc_mutex_lock ();
+
+ for (l = view->selection_info.selections; l != NULL; l = l->next) {
+ EvViewSelection *selection = (EvViewSelection *)l->data;
+ EvPage *page;
+ gchar *tmp;
+
+ page = ev_document_get_page (view->document, selection->page);
+ tmp = ev_selection_get_selected_text (EV_SELECTION (view->document),
+ page, selection->style,
+ &(selection->rect));
+ g_object_unref (page);
+ g_string_append (text, tmp);
+ g_free (tmp);
+ }
+
+ ev_document_doc_mutex_unlock ();
+
+ normalized_text = g_utf8_normalize (text->str, text->len, G_NORMALIZE_NFKC);
+ g_string_free (text, TRUE);
+ return normalized_text;
+}
+
+static void
+ev_view_clipboard_copy (EvView *view,
+ const gchar *text)
+{
+ GtkClipboard *clipboard;
+
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (view),
+ GDK_SELECTION_CLIPBOARD);
+ gtk_clipboard_set_text (clipboard, text, -1);
+}
+
+void
+ev_view_copy (EvView *ev_view)
+{
+ char *text;
+
+ if (!EV_IS_SELECTION (ev_view->document))
+ return;
+
+ text = get_selected_text (ev_view);
+ ev_view_clipboard_copy (ev_view, text);
+ g_free (text);
+}
+
+static void
+ev_view_primary_get_cb (GtkClipboard *clipboard,
+ GtkSelectionData *selection_data,
+ guint info,
+ gpointer data)
+{
+ EvView *ev_view = EV_VIEW (data);
+
+ if (ev_view->link_selected) {
+ gtk_selection_data_set_text (selection_data,
+ ev_link_action_get_uri (ev_view->link_selected),
+ -1);
+ } else if (EV_IS_SELECTION (ev_view->document) &&
+ ev_view->selection_info.selections) {
+ gchar *text;
+
+ text = get_selected_text (ev_view);
+ if (text) {
+ gtk_selection_data_set_text (selection_data, text, -1);
+ g_free (text);
+ }
+ }
+}
+
+static void
+ev_view_primary_clear_cb (GtkClipboard *clipboard,
+ gpointer data)
+{
+ EvView *view = EV_VIEW (data);
+
+ clear_selection (view);
+ clear_link_selected (view);
+}
+
+static void
+ev_view_update_primary_selection (EvView *ev_view)
+{
+ GtkClipboard *clipboard;
+
+ clipboard = gtk_widget_get_clipboard (GTK_WIDGET (ev_view),
+ GDK_SELECTION_PRIMARY);
+
+ if (ev_view->selection_info.selections || ev_view->link_selected) {
+ GtkTargetList *target_list;
+ GtkTargetEntry *targets;
+ int n_targets;
+
+ target_list = gtk_target_list_new (NULL, 0);
+ gtk_target_list_add_text_targets (target_list, 0);
+ targets = gtk_target_table_new_from_list (target_list, &n_targets);
+ gtk_target_list_unref (target_list);
+
+ if (!gtk_clipboard_set_with_owner (clipboard,
+ targets, n_targets,
+ ev_view_primary_get_cb,
+ ev_view_primary_clear_cb,
+ G_OBJECT (ev_view)))
+ ev_view_primary_clear_cb (clipboard, ev_view);
+
+ gtk_target_table_free (targets, n_targets);
+ } else {
+ if (gtk_clipboard_get_owner (clipboard) == G_OBJECT (ev_view))
+ gtk_clipboard_clear (clipboard);
+ }
+}
+
+static void
+clear_link_selected (EvView *view)
+{
+ if (view->link_selected) {
+ g_object_unref (view->link_selected);
+ view->link_selected = NULL;
+ }
+}
+
+void
+ev_view_copy_link_address (EvView *view,
+ EvLinkAction *action)
+{
+ clear_link_selected (view);
+
+ ev_view_clipboard_copy (view, ev_link_action_get_uri (action));
+
+ view->link_selected = g_object_ref (action);
+ ev_view_update_primary_selection (view);
+}
+
+/*** Cursor operations ***/
+static void
+ev_view_set_cursor (EvView *view, EvViewCursor new_cursor)
+{
+ GdkCursor *cursor = NULL;
+ GtkWidget *widget;
+ GdkWindow *bin_window;
+
+ if (view->cursor == new_cursor) {
+ return;
+ }
+
+ view->cursor = new_cursor;
+
+ bin_window = gtk_layout_get_bin_window (GTK_LAYOUT (view));
+ widget = gtk_widget_get_toplevel (GTK_WIDGET (view));
+ cursor = ev_view_cursor_new (gtk_widget_get_display (widget), new_cursor);
+ gdk_window_set_cursor (bin_window, cursor);
+ gdk_flush ();
+ if (cursor)
+ gdk_cursor_unref (cursor);
+}
+
+void
+ev_view_hide_cursor (EvView *view)
+{
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_HIDDEN);
+}
+
+void
+ev_view_show_cursor (EvView *view)
+{
+ ev_view_set_cursor (view, EV_VIEW_CURSOR_NORMAL);
+}
+
+gboolean
+ev_view_next_page (EvView *view)
+{
+ int page, n_pages;
+
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ if (!view->document)
+ return FALSE;
+
+ page = ev_document_model_get_page (view->model);
+ n_pages = ev_document_get_n_pages (view->document);
+
+ if (view->dual_page)
+ page = page + 2;
+ else
+ page = page + 1;
+
+ if (page < n_pages) {
+ ev_document_model_set_page (view->model, page);
+ return TRUE;
+ } else if (view->dual_page && page == n_pages) {
+ ev_document_model_set_page (view->model, page - 1);
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+gboolean
+ev_view_previous_page (EvView *view)
+{
+ int page;
+
+ g_return_val_if_fail (EV_IS_VIEW (view), FALSE);
+
+ if (!view->document)
+ return FALSE;
+
+ page = ev_document_model_get_page (view->model);
+
+ if (view->dual_page)
+ page = page - 2;
+ else
+ page = page - 1;
+
+ if (page >= 0) {
+ ev_document_model_set_page (view->model, page);
+ return TRUE;
+ } else if (view->dual_page && page == -1) {
+ ev_document_model_set_page (view->model, 0);
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
diff --git a/libview/ev-view.h b/libview/ev-view.h
new file mode 100644
index 00000000..ccef4bb4
--- /dev/null
+++ b/libview/ev-view.h
@@ -0,0 +1,115 @@
+/* this file is part of evince, a mate document viewer
+ *
+ * Copyright (C) 2004 Red Hat, Inc
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if !defined (__EV_EVINCE_VIEW_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-view.h> can be included directly."
+#endif
+
+#ifndef __EV_VIEW_H__
+#define __EV_VIEW_H__
+
+#include <gtk/gtk.h>
+
+#include <evince-document.h>
+
+#include "ev-document-model.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_VIEW (ev_view_get_type ())
+#define EV_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_VIEW, EvView))
+#define EV_IS_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_VIEW))
+
+typedef struct _EvView EvView;
+typedef struct _EvViewClass EvViewClass;
+
+typedef enum {
+ EV_VIEW_SELECTION_TEXT,
+ EV_VIEW_SELECTION_RECTANGLE,
+} EvViewSelectionMode;
+
+GType ev_view_get_type (void) G_GNUC_CONST;
+
+GtkWidget* ev_view_new (void);
+void ev_view_set_model (EvView *view,
+ EvDocumentModel *model);
+void ev_view_set_loading (EvView *view,
+ gboolean loading);
+void ev_view_reload (EvView *view);
+void ev_view_set_page_cache_size (EvView *view,
+ gsize cache_size);
+
+/* Clipboard */
+void ev_view_copy (EvView *view);
+void ev_view_copy_link_address (EvView *view,
+ EvLinkAction *action);
+void ev_view_select_all (EvView *view);
+gboolean ev_view_get_has_selection (EvView *view);
+
+/* Page size */
+gboolean ev_view_can_zoom_in (EvView *view);
+void ev_view_zoom_in (EvView *view);
+gboolean ev_view_can_zoom_out (EvView *view);
+void ev_view_zoom_out (EvView *view);
+
+/* Find */
+void ev_view_find_next (EvView *view);
+void ev_view_find_previous (EvView *view);
+void ev_view_find_search_changed (EvView *view);
+void ev_view_find_set_highlight_search (EvView *view,
+ gboolean value);
+void ev_view_find_changed (EvView *view,
+ GList **results,
+ gint page);
+void ev_view_find_cancel (EvView *view);
+
+/* Synctex */
+void ev_view_highlight_forward_search (EvView *view,
+ EvSourceLink *link);
+
+/* Cursor */
+void ev_view_hide_cursor (EvView *view);
+void ev_view_show_cursor (EvView *view);
+
+/* Navigation */
+void ev_view_scroll (EvView *view,
+ GtkScrollType scroll,
+ gboolean horizontal);
+void ev_view_handle_link (EvView *view,
+ EvLink *link);
+gboolean ev_view_next_page (EvView *view);
+gboolean ev_view_previous_page (EvView *view);
+
+void ev_view_autoscroll_start (EvView *view);
+void ev_view_autoscroll_stop (EvView *view);
+
+gboolean ev_view_get_page_extents (EvView *view,
+ gint page,
+ GdkRectangle *page_area,
+ GtkBorder *border);
+/* Annotations */
+void ev_view_focus_annotation (EvView *view,
+ EvMapping *annot_mapping);
+void ev_view_begin_add_annotation (EvView *view,
+ EvAnnotationType annot_type);
+void ev_view_cancel_add_annotation (EvView *view);
+
+G_END_DECLS
+
+#endif /* __EV_VIEW_H__ */