X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-history.c;h=9b59014ca90eb473af6ca40a6739e266c7136f96;hb=0150c0ba0b405fde29edd989c86e6040e7eb970c;hp=a1e79543bb4e8a9bd35e97c4fefc495f77d1406d;hpb=ff47948e26ca64f7f4897299a38858594ce39ed0;p=evince.git

diff --git a/shell/ev-history.c b/shell/ev-history.c
index a1e79543..9b59014c 100644
--- a/shell/ev-history.c
+++ b/shell/ev-history.c
@@ -13,28 +13,34 @@
  *
  *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
- *  $Id$
  */
 
 #include "config.h"
 
 #include <glib/gi18n.h>
+#include <string.h>
 
 #include "ev-history.h"
 
+
+enum
+{
+	HISTORY_CHANGED,
+	N_SIGNALS
+};
+
+static guint signals[N_SIGNALS] = {0, };
+
 struct _EvHistoryPrivate
 {
 	GList *links;
-	int current_index;
 };
 
 static void ev_history_init       (EvHistory *history);
 static void ev_history_class_init (EvHistoryClass *class);
 
-static GObjectClass *parent_class = NULL;
-
 G_DEFINE_TYPE (EvHistory, ev_history, G_TYPE_OBJECT)
 
 #define EV_HISTORY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_HISTORY, EvHistoryPrivate))
@@ -45,7 +51,6 @@ ev_history_init (EvHistory *history)
 	history->priv = EV_HISTORY_GET_PRIVATE (history);
 
 	history->priv->links = NULL;
-	history->priv->current_index = -1;
 }
 
 static void
@@ -62,7 +67,7 @@ ev_history_finalize (GObject *object)
 
 	free_links_list (history->priv->links);
 
-	parent_class->finalize (object);
+	G_OBJECT_CLASS (ev_history_parent_class)->finalize (object);
 }
 
 static void
@@ -72,54 +77,47 @@ ev_history_class_init (EvHistoryClass *class)
 
 	object_class->finalize = ev_history_finalize;
 
-	parent_class = g_type_class_peek_parent (class);
+	signals[HISTORY_CHANGED] = 
+		    g_signal_new ("changed",
+		 	          G_OBJECT_CLASS_TYPE (object_class),
+				  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+				  G_STRUCT_OFFSET (EvHistoryClass, changed),
+				  NULL, NULL,
+				  g_cclosure_marshal_VOID__VOID,
+				  G_TYPE_NONE, 0);
 
 	g_type_class_add_private (object_class, sizeof (EvHistoryPrivate));
 }
 
+#define HISTORY_LENGTH   7
+
 void
 ev_history_add_link (EvHistory *history, EvLink *link)
 {
-	int length;
+	GList *l;
 
 	g_return_if_fail (EV_IS_HISTORY (history));
 	g_return_if_fail (EV_IS_LINK (link));
 
-	length = g_list_length (history->priv->links);
-	if (history->priv->current_index < length - 1) {
-		GList *l = g_list_nth (history->priv->links,
-				       history->priv->current_index + 1);
-		
-		if (l->prev) {
-			l->prev->next = NULL;
-			free_links_list (l);
-		} else {
-			free_links_list (history->priv->links);
-			history->priv->links = NULL;
+	for (l = history->priv->links; l; l = l->next) {
+		if (!strcmp (ev_link_get_title (EV_LINK (l->data)), ev_link_get_title (link))) {
+			g_object_unref (G_OBJECT (l->data));
+			history->priv->links = g_list_delete_link (history->priv->links, l);
+			break;
 		}
 	}
 
 	g_object_ref (link);
 	history->priv->links = g_list_append (history->priv->links,
 					      link);
-
-	length = g_list_length (history->priv->links);
-	history->priv->current_index = length - 1;
-}
-
-void
-ev_history_add_page (EvHistory *history, int page)
-{
-	EvLink *link;
-	char *title;
-
-	g_return_if_fail (EV_IS_HISTORY (history));
-
-	title = g_strdup_printf (_("Page %d\n"), page);
-	link = ev_link_new_page (title, page);
-	g_free (title);
-
-	ev_history_add_link (history, link);
+					      
+	if (g_list_length (history->priv->links) > HISTORY_LENGTH) {
+		g_object_unref (G_OBJECT (history->priv->links->data));
+		history->priv->links = g_list_delete_link (history->priv->links, 
+							   history->priv->links);
+	}
+	
+	g_signal_emit (history, signals[HISTORY_CHANGED], 0);
 }
 
 EvLink *
@@ -142,24 +140,9 @@ ev_history_get_n_links (EvHistory *history)
 	return g_list_length (history->priv->links);
 }
 
-int
-ev_history_get_current_index (EvHistory *history)
-{
-	g_return_val_if_fail (EV_IS_HISTORY (history), -1);
-
-	return history->priv->current_index;
-}
-
-void
-ev_history_set_current_index (EvHistory *history, int index)
-{
-	g_return_if_fail (EV_IS_HISTORY (history));
-
-	history->priv->current_index = index;
-}
-
 EvHistory *
 ev_history_new (void)
 {
 	return EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));
 }
+