diff options
Diffstat (limited to 'previewer/ev-previewer-window.c')
| -rw-r--r-- | previewer/ev-previewer-window.c | 723 |
1 files changed, 723 insertions, 0 deletions
diff --git a/previewer/ev-previewer-window.c b/previewer/ev-previewer-window.c new file mode 100644 index 00000000..bfef10dc --- /dev/null +++ b/previewer/ev-previewer-window.c @@ -0,0 +1,723 @@ +/* ev-previewer-window.c: + * this file is part of evince, a mate document viewer + * + * Copyright (C) 2009 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> + +#if GTKUNIXPRINT_ENABLED +#include <gtk/gtkunixprint.h> +#endif +#include <glib/gi18n.h> +#include <evince-view.h> +#include "ev-page-action.h" + +#include "ev-previewer-window.h" + +struct _EvPreviewerWindow { + GtkWindow base_instance; + + EvDocumentModel *model; + EvDocument *document; + + GtkActionGroup *action_group; + GtkActionGroup *accels_group; + GtkUIManager *ui_manager; + + GtkWidget *swindow; + EvView *view; + gdouble dpi; + + /* Printing */ + GtkPrintSettings *print_settings; + GtkPageSetup *print_page_setup; +#if GTKUNIXPRINT_ENABLED + GtkPrinter *printer; +#endif + gchar *print_job_title; + gchar *source_file; +}; + +struct _EvPreviewerWindowClass { + GtkWindowClass base_class; +}; + +enum { + PROP_0, + PROP_MODEL +}; + +#define MIN_SCALE 0.05409 +#define MAX_SCALE 4.0 + +G_DEFINE_TYPE (EvPreviewerWindow, ev_previewer_window, GTK_TYPE_WINDOW) + +static gdouble +get_screen_dpi (EvPreviewerWindow *window) +{ + GdkScreen *screen; + + screen = gtk_window_get_screen (GTK_WINDOW (window)); + return ev_document_misc_get_screen_dpi (screen); +} + +#if GTKUNIXPRINT_ENABLED +static void +ev_previewer_window_error_dialog_run (EvPreviewerWindow *window, + GError *error) +{ + GtkWidget *dialog; + + dialog = gtk_message_dialog_new (GTK_WINDOW (window), + GTK_DIALOG_MODAL | + GTK_DIALOG_DESTROY_WITH_PARENT, + GTK_MESSAGE_ERROR, + GTK_BUTTONS_CLOSE, + "%s", _("Failed to print document")); + gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), + "%s", error->message); + gtk_dialog_run (GTK_DIALOG (dialog)); + gtk_widget_destroy (dialog); +} +#endif + +static void +ev_previewer_window_close (GtkAction *action, + EvPreviewerWindow *window) +{ + gtk_widget_destroy (GTK_WIDGET (window)); +} + +static void +ev_previewer_window_previous_page (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_view_previous_page (window->view); +} + +static void +ev_previewer_window_next_page (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_view_next_page (window->view); +} + +static void +ev_previewer_window_zoom_in (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_document_model_set_sizing_mode (window->model, EV_SIZING_FREE); + ev_view_zoom_in (window->view); +} + +static void +ev_previewer_window_zoom_out (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_document_model_set_sizing_mode (window->model, EV_SIZING_FREE); + ev_view_zoom_out (window->view); +} + +static void +ev_previewer_window_zoom_best_fit (GtkToggleAction *action, + EvPreviewerWindow *window) +{ + ev_document_model_set_sizing_mode (window->model, + gtk_toggle_action_get_active (action) ? + EV_SIZING_BEST_FIT : EV_SIZING_FREE); +} + +static void +ev_previewer_window_zoom_page_width (GtkToggleAction *action, + EvPreviewerWindow *window) +{ + ev_document_model_set_sizing_mode (window->model, + gtk_toggle_action_get_active (action) ? + EV_SIZING_FIT_WIDTH : EV_SIZING_FREE); +} + +static void +ev_previewer_window_action_page_activated (GtkAction *action, + EvLink *link, + EvPreviewerWindow *window) +{ + ev_view_handle_link (window->view, link); + gtk_widget_grab_focus (GTK_WIDGET (window->view)); +} + +static void +ev_previewer_window_focus_page_selector (GtkAction *action, + EvPreviewerWindow *window) +{ + GtkAction *page_action; + + page_action = gtk_action_group_get_action (window->action_group, + "PageSelector"); + ev_page_action_grab_focus (EV_PAGE_ACTION (page_action)); +} + +static void +ev_previewer_window_scroll_forward (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_view_scroll (window->view, GTK_SCROLL_PAGE_FORWARD, FALSE); +} + +static void +ev_previewer_window_scroll_backward (GtkAction *action, + EvPreviewerWindow *window) +{ + ev_view_scroll (window->view, GTK_SCROLL_PAGE_BACKWARD, FALSE); +} + +#if GTKUNIXPRINT_ENABLED +static void +ev_previewer_window_print_finished (GtkPrintJob *print_job, + EvPreviewerWindow *window, + GError *error) +{ + if (error) { + ev_previewer_window_error_dialog_run (window, error); + } + + g_object_unref (print_job); + gtk_widget_destroy (GTK_WIDGET (window)); +} + +static void +ev_previewer_window_do_print (EvPreviewerWindow *window) +{ + GtkPrintJob *job; + GError *error = NULL; + + job = gtk_print_job_new (window->print_job_title ? + window->print_job_title : + window->source_file, + window->printer, + window->print_settings, + window->print_page_setup); + if (gtk_print_job_set_source_file (job, window->source_file, &error)) { + gtk_print_job_send (job, + (GtkPrintJobCompleteFunc)ev_previewer_window_print_finished, + window, NULL); + } else { + ev_previewer_window_error_dialog_run (window, error); + g_error_free (error); + } + + gtk_widget_hide (GTK_WIDGET (window)); +} + +static void +ev_previewer_window_enumerate_finished (EvPreviewerWindow *window) +{ + if (window->printer) { + ev_previewer_window_do_print (window); + } else { + GError *error = NULL; + + g_set_error (&error, + GTK_PRINT_ERROR, + GTK_PRINT_ERROR_GENERAL, + _("The selected printer '%s' could not be found"), + gtk_print_settings_get_printer (window->print_settings)); + + ev_previewer_window_error_dialog_run (window, error); + g_error_free (error); + } +} + +static gboolean +ev_previewer_window_enumerate_printers (GtkPrinter *printer, + EvPreviewerWindow *window) +{ + const gchar *printer_name; + + printer_name = gtk_print_settings_get_printer (window->print_settings); + if ((printer_name + && strcmp (printer_name, gtk_printer_get_name (printer)) == 0) || + (!printer_name && gtk_printer_is_default (printer))) { + if (window->printer) + g_object_unref (window->printer); + window->printer = g_object_ref (printer); + + return TRUE; /* we're done */ + } + + return FALSE; /* continue the enumeration */ +} + +static void +ev_previewer_window_print (GtkAction *action, + EvPreviewerWindow *window) +{ + if (!window->print_settings) + window->print_settings = gtk_print_settings_new (); + if (!window->print_page_setup) + window->print_page_setup = gtk_page_setup_new (); + gtk_enumerate_printers ((GtkPrinterFunc)ev_previewer_window_enumerate_printers, + window, + (GDestroyNotify)ev_previewer_window_enumerate_finished, + FALSE); +} +#endif + +static const GtkActionEntry action_entries[] = { + { "FileCloseWindow", GTK_STOCK_CLOSE, NULL, "<control>W", + NULL, + G_CALLBACK (ev_previewer_window_close) }, + { "GoPreviousPage", GTK_STOCK_GO_UP, N_("_Previous Page"), "<control>Page_Up", + N_("Go to the previous page"), + G_CALLBACK (ev_previewer_window_previous_page) }, + { "GoNextPage", GTK_STOCK_GO_DOWN, N_("_Next Page"), "<control>Page_Down", + N_("Go to the next page"), + G_CALLBACK (ev_previewer_window_next_page) }, + { "ViewZoomIn", GTK_STOCK_ZOOM_IN, NULL, "<control>plus", + N_("Enlarge the document"), + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "ViewZoomOut", GTK_STOCK_ZOOM_OUT, NULL, "<control>minus", + N_("Shrink the document"), + G_CALLBACK (ev_previewer_window_zoom_out) }, +#if GTKUNIXPRINT_ENABLED + { "PreviewPrint", GTK_STOCK_PRINT, N_("Print"), NULL, + N_("Print this document"), + G_CALLBACK (ev_previewer_window_print) } +#endif +}; + +static const GtkActionEntry accel_entries[] = { + { "Space", NULL, "", "space", NULL, + G_CALLBACK (ev_previewer_window_scroll_forward) }, + { "ShiftSpace", NULL, "", "<shift>space", NULL, + G_CALLBACK (ev_previewer_window_scroll_backward) }, + { "BackSpace", NULL, "", "BackSpace", NULL, + G_CALLBACK (ev_previewer_window_scroll_backward) }, + { "ShiftBackSpace", NULL, "", "<shift>BackSpace", NULL, + G_CALLBACK (ev_previewer_window_scroll_forward) }, + { "Return", NULL, "", "Return", NULL, + G_CALLBACK (ev_previewer_window_scroll_forward) }, + { "ShiftReturn", NULL, "", "<shift>Return", NULL, + G_CALLBACK (ev_previewer_window_scroll_backward) }, + { "p", GTK_STOCK_GO_UP, "", "p", NULL, + G_CALLBACK (ev_previewer_window_previous_page) }, + { "n", GTK_STOCK_GO_DOWN, "", "n", NULL, + G_CALLBACK (ev_previewer_window_next_page) }, + { "Plus", GTK_STOCK_ZOOM_IN, NULL, "plus", NULL, + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "CtrlEqual", GTK_STOCK_ZOOM_IN, NULL, "<control>equal", NULL, + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "Equal", GTK_STOCK_ZOOM_IN, NULL, "equal", NULL, + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "Minus", GTK_STOCK_ZOOM_OUT, NULL, "minus", NULL, + G_CALLBACK (ev_previewer_window_zoom_out) }, + { "KpPlus", GTK_STOCK_ZOOM_IN, NULL, "KP_Add", NULL, + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "KpMinus", GTK_STOCK_ZOOM_OUT, NULL, "KP_Subtract", NULL, + G_CALLBACK (ev_previewer_window_zoom_out) }, + { "CtrlKpPlus", GTK_STOCK_ZOOM_IN, NULL, "<control>KP_Add", NULL, + G_CALLBACK (ev_previewer_window_zoom_in) }, + { "CtrlKpMinus", GTK_STOCK_ZOOM_OUT, NULL, "<control>KP_Subtract", NULL, + G_CALLBACK (ev_previewer_window_zoom_out) }, + { "FocusPageSelector", NULL, "", "<control>l", NULL, + G_CALLBACK (ev_previewer_window_focus_page_selector) } + +}; + +static const GtkToggleActionEntry toggle_action_entries[] = { + { "ViewBestFit", EV_STOCK_ZOOM_PAGE, N_("_Best Fit"), NULL, + N_("Make the current document fill the window"), + G_CALLBACK (ev_previewer_window_zoom_best_fit) }, + { "ViewPageWidth", EV_STOCK_ZOOM_WIDTH, N_("Fit Page _Width"), NULL, + N_("Make the current document fill the window width"), + G_CALLBACK (ev_previewer_window_zoom_page_width) } +}; + +static gboolean +view_focus_changed (GtkWidget *widget, + GdkEventFocus *event, + EvPreviewerWindow *window) +{ + if (window->accels_group) + gtk_action_group_set_sensitive (window->accels_group, event->in); + + return FALSE; +} + +static void +view_sizing_mode_changed (EvDocumentModel *model, + GParamSpec *pspec, + EvPreviewerWindow *window) +{ + EvSizingMode sizing_mode = ev_document_model_get_sizing_mode (model); + GtkAction *action; + + action = gtk_action_group_get_action (window->action_group, "ViewBestFit"); + g_signal_handlers_block_by_func (action, + G_CALLBACK (ev_previewer_window_zoom_best_fit), + window); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), + sizing_mode == EV_SIZING_BEST_FIT); + g_signal_handlers_unblock_by_func (action, + G_CALLBACK (ev_previewer_window_zoom_best_fit), + window); + + action = gtk_action_group_get_action (window->action_group, "ViewPageWidth"); + g_signal_handlers_block_by_func (action, + G_CALLBACK (ev_previewer_window_zoom_page_width), + window); + gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (action), + sizing_mode == EV_SIZING_FIT_WIDTH); + g_signal_handlers_unblock_by_func (action, + G_CALLBACK (ev_previewer_window_zoom_page_width), + window); +} + +static void +ev_previewer_window_set_document (EvPreviewerWindow *window, + GParamSpec *pspec, + EvDocumentModel *model) +{ + EvDocument *document = ev_document_model_get_document (model); + + window->document = g_object_ref (document); + + g_signal_connect (model, "notify::sizing-mode", + G_CALLBACK (view_sizing_mode_changed), + window); + ev_view_set_loading (window->view, FALSE); + gtk_action_group_set_sensitive (window->action_group, TRUE); + gtk_action_group_set_sensitive (window->accels_group, TRUE); +} + +static void +ev_previewer_window_connect_action_accelerators (EvPreviewerWindow *window) +{ + GList *actions; + + gtk_ui_manager_ensure_update (window->ui_manager); + + actions = gtk_action_group_list_actions (window->action_group); + g_list_foreach (actions, (GFunc)gtk_action_connect_accelerator, NULL); + g_list_free (actions); +} + +static void +ev_previewer_window_dispose (GObject *object) +{ + EvPreviewerWindow *window = EV_PREVIEWER_WINDOW (object); + + if (window->model) { + g_object_unref (window->model); + window->model = NULL; + } + + if (window->document) { + g_object_unref (window->document); + window->document = NULL; + } + + if (window->action_group) { + g_object_unref (window->action_group); + window->action_group = NULL; + } + + if (window->accels_group) { + g_object_unref (window->accels_group); + window->accels_group = NULL; + } + + if (window->ui_manager) { + g_object_unref (window->ui_manager); + window->ui_manager = NULL; + } + + if (window->print_settings) { + g_object_unref (window->print_settings); + window->print_settings = NULL; + } + + if (window->print_page_setup) { + g_object_unref (window->print_page_setup); + window->print_page_setup = NULL; + } + +#if GTKUNIXPRINT_ENABLED + if (window->printer) { + g_object_unref (window->printer); + window->printer = NULL; + } +#endif + + if (window->print_job_title) { + g_free (window->print_job_title); + window->print_job_title = NULL; + } + + if (window->source_file) { + g_free (window->source_file); + window->source_file = NULL; + } + + G_OBJECT_CLASS (ev_previewer_window_parent_class)->dispose (object); +} + +static gchar* +data_dir (void) +{ + gchar *datadir; +#ifdef G_OS_WIN32 + gchar *dir; + + dir = g_win32_get_package_installation_directory_of_module (NULL); + datadir = g_build_filename (dir, "share", "evince", NULL); + g_free (dir); +#else + datadir = g_strdup (EVINCEDATADIR); +#endif + + return datadir; +} + +static void +ev_previewer_window_init (EvPreviewerWindow *window) +{ + gtk_window_set_default_size (GTK_WINDOW (window), 600, 600); +} + +static void +ev_previewer_window_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EvPreviewerWindow *window = EV_PREVIEWER_WINDOW (object); + + switch (prop_id) { + case PROP_MODEL: + window->model = g_value_dup_object (value); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + } +} + +static GObject * +ev_previewer_window_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_params) +{ + GObject *object; + EvPreviewerWindow *window; + GtkWidget *vbox; + GtkWidget *toolbar; + GtkAction *action; + GError *error = NULL; + gchar *datadir, *ui_path; + gdouble dpi; + + object = G_OBJECT_CLASS (ev_previewer_window_parent_class)->constructor (type, + n_construct_properties, + construct_params); + window = EV_PREVIEWER_WINDOW (object); + + dpi = get_screen_dpi (window); + ev_document_model_set_min_scale (window->model, MIN_SCALE * dpi / 72.0); + ev_document_model_set_max_scale (window->model, MAX_SCALE * dpi / 72.0); + ev_document_model_set_sizing_mode (window->model, EV_SIZING_FIT_WIDTH); + g_signal_connect_swapped (window->model, "notify::document", + G_CALLBACK (ev_previewer_window_set_document), + window); + + window->action_group = gtk_action_group_new ("PreviewerActions"); + gtk_action_group_set_translation_domain (window->action_group, NULL); + gtk_action_group_add_actions (window->action_group, action_entries, + G_N_ELEMENTS (action_entries), + window); + gtk_action_group_add_toggle_actions (window->action_group, toggle_action_entries, + G_N_ELEMENTS (toggle_action_entries), + window); + gtk_action_group_set_sensitive (window->action_group, FALSE); + + action = g_object_new (EV_TYPE_PAGE_ACTION, + "name", "PageSelector", + "label", _("Page"), + "tooltip", _("Select Page"), + "icon_name", "text-x-generic", + "visible_overflown", FALSE, + NULL); + ev_page_action_set_model (EV_PAGE_ACTION (action), window->model); + g_signal_connect (action, "activate_link", + G_CALLBACK (ev_previewer_window_action_page_activated), + window); + gtk_action_group_add_action (window->action_group, action); + g_object_unref (action); + + window->accels_group = gtk_action_group_new ("PreviewerAccelerators"); + gtk_action_group_add_actions (window->accels_group, accel_entries, + G_N_ELEMENTS (accel_entries), + window); + gtk_action_group_set_sensitive (window->accels_group, FALSE); + + window->ui_manager = gtk_ui_manager_new (); + gtk_ui_manager_insert_action_group (window->ui_manager, + window->action_group, 0); + gtk_ui_manager_insert_action_group (window->ui_manager, + window->accels_group, 1); + gtk_window_add_accel_group (GTK_WINDOW (window), + gtk_ui_manager_get_accel_group (window->ui_manager)); + datadir = data_dir (); + ui_path = g_build_filename (datadir, "evince-previewer-ui.xml", NULL); + if (!gtk_ui_manager_add_ui_from_file (window->ui_manager, ui_path, &error)) { + g_warning ("Failed to load ui from evince-previewer-ui.xml: %s", error->message); + g_error_free (error); + } + g_free (ui_path); + g_free (datadir); + + /* GTKUIManager connects actions accels only for menu items, + * but not for tool items. See bug #612972. + */ + ev_previewer_window_connect_action_accelerators (window); + + view_sizing_mode_changed (window->model, NULL, window); + + vbox = gtk_vbox_new (FALSE, 0); + + toolbar = gtk_ui_manager_get_widget (window->ui_manager, "/PreviewToolbar"); + gtk_box_pack_start (GTK_BOX (vbox), toolbar, FALSE, FALSE, 0); + gtk_widget_show (toolbar); + + window->swindow = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (window->swindow), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + window->view = EV_VIEW (ev_view_new ()); + g_signal_connect_object (window->view, "focus_in_event", + G_CALLBACK (view_focus_changed), + window, 0); + g_signal_connect_object (window->view, "focus_out_event", + G_CALLBACK (view_focus_changed), + window, 0); + ev_view_set_model (window->view, window->model); + ev_document_model_set_continuous (window->model, FALSE); + ev_view_set_loading (window->view, TRUE); + + gtk_container_add (GTK_CONTAINER (window->swindow), GTK_WIDGET (window->view)); + gtk_widget_show (GTK_WIDGET (window->view)); + + gtk_box_pack_start (GTK_BOX (vbox), window->swindow, TRUE, TRUE, 0); + gtk_widget_show (window->swindow); + + gtk_container_add (GTK_CONTAINER (window), vbox); + gtk_widget_show (vbox); + + return object; +} + + +static void +ev_previewer_window_class_init (EvPreviewerWindowClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + gobject_class->constructor = ev_previewer_window_constructor; + gobject_class->set_property = ev_previewer_window_set_property; + gobject_class->dispose = ev_previewer_window_dispose; + + g_object_class_install_property (gobject_class, + PROP_MODEL, + g_param_spec_object ("model", + "Model", + "The document model", + EV_TYPE_DOCUMENT_MODEL, + G_PARAM_WRITABLE | + G_PARAM_CONSTRUCT_ONLY)); +} + +/* Public methods */ +GtkWidget * +ev_previewer_window_new (EvDocumentModel *model) +{ + return GTK_WIDGET (g_object_new (EV_TYPE_PREVIEWER_WINDOW, "model", model, NULL)); +} + +void +ev_previewer_window_set_print_settings (EvPreviewerWindow *window, + const gchar *print_settings) +{ + if (window->print_settings) + g_object_unref (window->print_settings); + if (window->print_page_setup) + g_object_unref (window->print_page_setup); + if (window->print_job_title) + g_free (window->print_job_title); + + if (print_settings && g_file_test (print_settings, G_FILE_TEST_IS_REGULAR)) { + GKeyFile *key_file; + GError *error = NULL; + + key_file = g_key_file_new (); + g_key_file_load_from_file (key_file, + print_settings, + G_KEY_FILE_KEEP_COMMENTS | + G_KEY_FILE_KEEP_TRANSLATIONS, + &error); + if (!error) { + GtkPrintSettings *psettings; + GtkPageSetup *psetup; + gchar *job_name; + + psettings = gtk_print_settings_new_from_key_file (key_file, + "Print Settings", + NULL); + window->print_settings = psettings ? psettings : gtk_print_settings_new (); + + psetup = gtk_page_setup_new_from_key_file (key_file, + "Page Setup", + NULL); + window->print_page_setup = psetup ? psetup : gtk_page_setup_new (); + + job_name = g_key_file_get_string (key_file, + "Print Job", "title", + NULL); + if (job_name) { + window->print_job_title = job_name; + gtk_window_set_title (GTK_WINDOW (window), job_name); + } + } else { + window->print_settings = gtk_print_settings_new (); + window->print_page_setup = gtk_page_setup_new (); + g_error_free (error); + } + + g_key_file_free (key_file); + } else { + window->print_settings = gtk_print_settings_new (); + window->print_page_setup = gtk_page_setup_new (); + } +} + +void +ev_previewer_window_set_source_file (EvPreviewerWindow *window, + const gchar *source_file) +{ + if (window->source_file) + g_free (window->source_file); + window->source_file = g_strdup (source_file); +} |