X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fev-link.c;h=ee54b2858800fc5d1248b65a1775465cb8826438;hb=efa870dac2fdad4dd736b16e79b3c8e4e33b6055;hp=e01aa1994faac78f5c6dc2c833547844842f702b;hpb=0a2a397faf5fe1fb1ac869b4db10b11ef07d1f3b;p=evince.git

diff --git a/backend/ev-link.c b/backend/ev-link.c
index e01aa199..ee54b285 100644
--- a/backend/ev-link.c
+++ b/backend/ev-link.c
@@ -32,6 +32,16 @@ enum {
 	PROP_URI
 };
 
+
+struct _EvLink {
+	GObject base_instance;
+	EvLinkPrivate *priv;
+};
+
+struct _EvLinkClass {
+	GObjectClass base_class;
+};
+
 struct _EvLinkPrivate {
 	char *title;
 	char *uri;
@@ -75,13 +85,14 @@ void
 ev_link_set_title (EvLink* self, const char *title)
 {
 	g_assert (EV_IS_LINK (self));
-	g_assert (title != NULL);
 
 	if (self->priv->title != NULL) {
 		g_free (self->priv->title);
 	}
-
-	self->priv->title = g_strdup (title);
+	if (title)
+		self->priv->title = g_strdup (title);
+	else
+		self->priv->title = NULL;
 
 	g_object_notify (G_OBJECT (self), "title");
 }
@@ -270,7 +281,7 @@ ev_link_class_init (EvLinkClass *ev_window_class)
 					 g_param_spec_int ("page",
 							   "Link Page",
 							   "The link page",
-							    0,
+							    -1,
 							    G_MAXINT,
 							    0,
 							    G_PARAM_READWRITE));
@@ -304,3 +315,51 @@ ev_link_new_external (const char *title, const char *uri)
 				      "type", EV_LINK_TYPE_EXTERNAL_URI,
 				      NULL));
 }
+
+
+
+static void
+ev_link_mapping_free_foreach (EvLinkMapping *mapping)
+{
+	g_object_unref (G_OBJECT (mapping->link));
+	g_free (mapping);
+}
+
+void
+ev_link_mapping_free (GList *link_mapping)
+{
+	if (link_mapping == NULL)
+		return;
+
+	g_list_foreach (link_mapping, (GFunc) (ev_link_mapping_free_foreach), NULL);
+	g_list_free (link_mapping);
+}
+
+
+EvLink *
+ev_link_mapping_find (GList   *link_mapping,
+		      gdouble  x,
+		      gdouble  y)
+{
+	GList *list;
+	EvLink *link = NULL;
+	int i;
+	
+	i = 0;
+
+	for (list = link_mapping; list; list = list->next) {
+		EvLinkMapping *mapping = list->data;
+
+		i++;
+		if ((x >= mapping->x1) &&
+		    (y >= mapping->y1) &&
+		    (x <= mapping->x2) &&
+		    (y <= mapping->y2)) {
+			link = mapping->link;
+			break;
+		}
+	}
+
+	return link;
+}
+