inicial

1 files changed, 511 insertions, 0 deletions

diff --git a/libdocument/ev-link-dest.c b/libdocument/ev-link-dest.c
new file mode 100644
index 00000000..f73f99f7
--- /dev/null
+++ b/libdocument/ev-link-dest.c
@@ -0,0 +1,511 @@
+/* this file is part of evince, a mate document viewer
+ *
+ *  Copyright (C) 2006 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-link-dest.h"
+#include "ev-document-type-builtins.h"
+
+enum {
+	PROP_0,
+	PROP_TYPE,
+	PROP_PAGE,
+	PROP_LEFT,
+	PROP_TOP,
+	PROP_BOTTOM,
+	PROP_RIGHT,
+	PROP_ZOOM,
+	PROP_CHANGE,
+	PROP_NAMED,
+	PROP_PAGE_LABEL
+};
+
+typedef enum {
+	EV_DEST_CHANGE_TOP    = 1 << 0,
+	EV_DEST_CHANGE_LEFT   = 1 << 1,
+	EV_DEST_CHANGE_ZOOM   = 1 << 2
+} EvDestChange;
+
+struct _EvLinkDest {
+	GObject base_instance;
+	
+	EvLinkDestPrivate *priv;
+};
+
+struct _EvLinkDestClass {
+	GObjectClass base_class;
+};
+
+struct _EvLinkDestPrivate {
+	EvLinkDestType type;
+	int            page;
+	double         top;
+	double         left;
+	double         bottom;
+	double         right;
+	double         zoom;
+	EvDestChange   change;
+	gchar         *named;
+	gchar	      *page_label;
+};
+
+G_DEFINE_TYPE (EvLinkDest, ev_link_dest, G_TYPE_OBJECT)
+
+#define EV_LINK_DEST_GET_PRIVATE(object) \
+        (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK_DEST, EvLinkDestPrivate))
+
+EvLinkDestType
+ev_link_dest_get_dest_type (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	return self->priv->type;
+}
+
+gint
+ev_link_dest_get_page (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), -1);
+
+	return self->priv->page;
+}
+
+gdouble
+ev_link_dest_get_top (EvLinkDest *self,
+		      gboolean   *change_top)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	if (change_top)
+		*change_top = (self->priv->change & EV_DEST_CHANGE_TOP);
+	
+	return self->priv->top;
+}
+
+gdouble
+ev_link_dest_get_left (EvLinkDest *self,
+		       gboolean   *change_left)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	if (change_left)
+		*change_left = (self->priv->change & EV_DEST_CHANGE_LEFT);
+
+	return self->priv->left;
+}
+
+gdouble
+ev_link_dest_get_bottom (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	return self->priv->bottom;
+}
+
+gdouble
+ev_link_dest_get_right (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	return self->priv->right;
+}
+
+gdouble
+ev_link_dest_get_zoom (EvLinkDest *self,
+		       gboolean   *change_zoom)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), 0);
+
+	if (change_zoom)
+		*change_zoom = (self->priv->change & EV_DEST_CHANGE_ZOOM);
+
+	return self->priv->zoom;
+}
+
+const gchar *
+ev_link_dest_get_named_dest (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL);
+
+	return self->priv->named;
+}
+
+const gchar *
+ev_link_dest_get_page_label (EvLinkDest *self)
+{
+	g_return_val_if_fail (EV_IS_LINK_DEST (self), NULL);
+
+	return self->priv->page_label;
+}
+
+static void
+ev_link_dest_get_property (GObject    *object,
+			   guint       prop_id,
+			   GValue     *value,
+			   GParamSpec *param_spec)
+{
+	EvLinkDest *self;
+
+	self = EV_LINK_DEST (object);
+
+	switch (prop_id) {
+	        case PROP_TYPE:
+			g_value_set_enum (value, self->priv->type);
+			break;
+	        case PROP_PAGE:
+			g_value_set_int (value, self->priv->page);
+			break;
+	        case PROP_TOP:
+			g_value_set_double (value, self->priv->top);
+			break;
+	        case PROP_LEFT:
+			g_value_set_double (value, self->priv->left);
+			break;
+	        case PROP_BOTTOM:
+			g_value_set_double (value, self->priv->bottom);
+			break;
+	        case PROP_RIGHT:
+			g_value_set_double (value, self->priv->left);
+			break;
+	        case PROP_ZOOM:
+			g_value_set_double (value, self->priv->zoom);
+			break;
+	        case PROP_CHANGE:
+			g_value_set_uint (value, self->priv->change);
+			break;
+	        case PROP_NAMED:
+			g_value_set_string (value, self->priv->named);
+			break;
+	        case PROP_PAGE_LABEL:
+			g_value_set_string (value, self->priv->page_label);
+			break;
+	        default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
+							   prop_id,
+							   param_spec);
+			break;
+	}
+}
+
+static void
+ev_link_dest_set_property (GObject      *object,
+			   guint         prop_id,
+			   const GValue *value,
+			   GParamSpec   *param_spec)
+{
+	EvLinkDest *self = EV_LINK_DEST (object);
+
+	switch (prop_id) {
+	        case PROP_TYPE:
+			self->priv->type = g_value_get_enum (value);
+			break;
+	        case PROP_PAGE:
+			self->priv->page = g_value_get_int (value);
+			break;
+	        case PROP_TOP:
+			self->priv->top = g_value_get_double (value);
+			break;
+	        case PROP_LEFT:
+			self->priv->left = g_value_get_double (value);
+			break;
+	        case PROP_BOTTOM:
+			self->priv->bottom = g_value_get_double (value);
+			break;
+	        case PROP_RIGHT:
+			self->priv->right = g_value_get_double (value);
+			break;
+	        case PROP_ZOOM:
+			self->priv->zoom = g_value_get_double (value);
+			break;
+	        case PROP_CHANGE:
+			self->priv->change = g_value_get_uint (value);
+			break;
+	        case PROP_NAMED:
+			self->priv->named = g_value_dup_string (value);
+			break;
+	        case PROP_PAGE_LABEL:
+			self->priv->page_label = g_value_dup_string (value);
+			break;
+	        default:
+			G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
+							   prop_id,
+							   param_spec);
+			break;
+	}
+}
+
+static void
+ev_link_dest_finalize (GObject *object)
+{
+	EvLinkDestPrivate *priv;
+
+	priv = EV_LINK_DEST (object)->priv;
+
+	if (priv->named) {
+		g_free (priv->named);
+		priv->named = NULL;
+	}
+	if (priv->page_label) {
+		g_free (priv->page_label);
+		priv->page_label = NULL;
+	}
+
+	G_OBJECT_CLASS (ev_link_dest_parent_class)->finalize (object);
+}
+
+static void
+ev_link_dest_init (EvLinkDest *ev_link_dest)
+{
+	ev_link_dest->priv = EV_LINK_DEST_GET_PRIVATE (ev_link_dest);
+
+	ev_link_dest->priv->named = NULL;
+}
+
+static void
+ev_link_dest_class_init (EvLinkDestClass *ev_link_dest_class)
+{
+	GObjectClass *g_object_class;
+
+	g_object_class = G_OBJECT_CLASS (ev_link_dest_class);
+
+	g_object_class->set_property = ev_link_dest_set_property;
+	g_object_class->get_property = ev_link_dest_get_property;
+
+	g_object_class->finalize = ev_link_dest_finalize;
+
+	g_type_class_add_private (g_object_class, sizeof (EvLinkDestPrivate));
+
+	g_object_class_install_property (g_object_class,
+					 PROP_TYPE,
+					 g_param_spec_enum  ("type",
+							     "Dest Type",
+							     "The destination type",
+							     EV_TYPE_LINK_DEST_TYPE,
+							     EV_LINK_DEST_TYPE_UNKNOWN,
+							     G_PARAM_READWRITE |
+							     G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_PAGE,
+					 g_param_spec_int ("page",
+							   "Dest Page",
+							   "The destination page",
+							   -1,
+							   G_MAXINT,
+							   0,
+							   G_PARAM_READWRITE |
+							   G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_LEFT,
+					 g_param_spec_double ("left",
+							      "Left coordinate",
+							      "The left coordinate",
+							      -G_MAXDOUBLE,
+							      G_MAXDOUBLE,
+							      0,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_TOP,
+					 g_param_spec_double ("top",
+							      "Top coordinate",
+							      "The top coordinate",
+							      -G_MAXDOUBLE,
+							      G_MAXDOUBLE,
+							      0,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_BOTTOM,
+					 g_param_spec_double ("bottom",
+							      "Bottom coordinate",
+							      "The bottom coordinate",
+							      -G_MAXDOUBLE,
+							      G_MAXDOUBLE,
+							      0,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_RIGHT,
+					 g_param_spec_double ("right",
+							      "Right coordinate",
+							      "The right coordinate",
+							      -G_MAXDOUBLE,
+							      G_MAXDOUBLE,
+							      0,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+
+	g_object_class_install_property (g_object_class,
+					 PROP_ZOOM,
+					 g_param_spec_double ("zoom",
+							      "Zoom",
+							      "Zoom",
+							      0,
+							      G_MAXDOUBLE,
+							      0,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_CHANGE,
+					 g_param_spec_uint ("change",
+							    "Change",
+							    "Wether top, left, and zoom should be changed",
+							    0,
+							    G_MAXUINT,
+							    0,
+							    G_PARAM_READWRITE |
+							    G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_NAMED,
+					 g_param_spec_string ("named",
+							      "Named destination",
+							      "The named destination",
+							      NULL,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+	g_object_class_install_property (g_object_class,
+					 PROP_PAGE_LABEL,
+					 g_param_spec_string ("page_label",
+							      "Label of the page",
+							      "The label of the destination page",
+							      NULL,
+							      G_PARAM_READWRITE |
+							      G_PARAM_CONSTRUCT_ONLY));
+}
+
+EvLinkDest *
+ev_link_dest_new_page (gint page)
+{
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_PAGE,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_xyz (gint     page,
+		      gdouble  left,
+		      gdouble  top,
+		      gdouble  zoom,
+		      gboolean change_left,
+		      gboolean change_top,
+		      gboolean change_zoom)
+{
+	EvDestChange change = 0;
+
+	if (change_left)
+		change |= EV_DEST_CHANGE_LEFT;
+	if (change_top)
+		change |= EV_DEST_CHANGE_TOP;
+	if (change_zoom)
+		change |= EV_DEST_CHANGE_ZOOM;
+	
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_XYZ,
+					   "left", left,
+					   "top", top,
+					   "zoom", zoom,
+					   "change", change,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_fit (gint page)
+{
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_FIT,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_fith (gint     page,
+		       gdouble  top,
+		       gboolean change_top)
+{
+	EvDestChange change = 0;
+
+	if (change_top)
+		change |= EV_DEST_CHANGE_TOP;
+	
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_FITH,
+					   "top", top,
+					   "change", change,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_fitv (gint     page,
+		       gdouble  left,
+		       gboolean change_left)
+{
+	EvDestChange change = 0;
+
+	if (change_left)
+		change |= EV_DEST_CHANGE_LEFT;
+
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_FITV,
+					   "left", left,
+					   "change", change,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_fitr (gint    page,
+		       gdouble left,
+		       gdouble bottom,
+		       gdouble right,
+		       gdouble top)
+{
+	EvDestChange change = EV_DEST_CHANGE_TOP | EV_DEST_CHANGE_LEFT;
+	
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page", page,
+					   "type", EV_LINK_DEST_TYPE_FITR,
+					   "left", left,
+					   "bottom", bottom,
+					   "right", right,
+					   "top", top,
+					   "change", change,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_named (const gchar *named_dest)
+{
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "named", named_dest,
+					   "type", EV_LINK_DEST_TYPE_NAMED,
+					   NULL));
+}
+
+EvLinkDest *
+ev_link_dest_new_page_label (const gchar *page_label)
+{
+	return EV_LINK_DEST (g_object_new (EV_TYPE_LINK_DEST,
+					   "page_label", page_label,
+					   "type", EV_LINK_DEST_TYPE_PAGE_LABEL,
+					   NULL));
+}