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=87a506f33b0c05bf36d67d62dc027594e8f5cb01;hpb=a23410c308dc197b6e32ddd61b9160cdaf3a1df3;p=evince.git

diff --git a/shell/ev-history.c b/shell/ev-history.c
index 87a506f3..9b59014c 100644
--- a/shell/ev-history.c
+++ b/shell/ev-history.c
@@ -13,25 +13,29 @@
  *
  *  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.
  *
  */
 
 #include "config.h"
 
 #include <glib/gi18n.h>
+#include <string.h>
 
 #include "ev-history.h"
 
-struct _EvHistoryPrivate
+
+enum
 {
-	GList *links;
-	int current_index;
+	HISTORY_CHANGED,
+	N_SIGNALS
 };
 
-enum {
-	PROP_0,
-	PROP_INDEX
+static guint signals[N_SIGNALS] = {0, };
+
+struct _EvHistoryPrivate
+{
+	GList *links;
 };
 
 static void ev_history_init       (EvHistory *history);
@@ -47,7 +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
@@ -67,103 +70,54 @@ ev_history_finalize (GObject *object)
 	G_OBJECT_CLASS (ev_history_parent_class)->finalize (object);
 }
 
-static void
-ev_history_get_property (GObject *object, guint prop_id, GValue *value,
-		         GParamSpec *param_spec)
-{
-	EvHistory *self;
-
-	self = EV_HISTORY (object);
-
-	switch (prop_id) {
-	case PROP_INDEX:
-		g_value_set_int (value, self->priv->current_index);
-		break;
-	default:
-		G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
-						   prop_id,
-						   param_spec);
-		break;
-	}
-}
-
-static void
-ev_history_set_property (GObject *object, guint prop_id, const GValue *value,
-		         GParamSpec *param_spec)
-{
-	EvHistory *self;
-	
-	self = EV_HISTORY (object);
-	
-	switch (prop_id) {
-	case PROP_INDEX:
-		ev_history_set_current_index (self, g_value_get_int (value));
-		break;
-	default:
-		G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
-						   prop_id,
-						   param_spec);
-		break;
-	}
-}
-
 static void
 ev_history_class_init (EvHistoryClass *class)
 {
 	GObjectClass *object_class = G_OBJECT_CLASS (class);
 
 	object_class->finalize = ev_history_finalize;
-	object_class->set_property = ev_history_set_property;
-	object_class->get_property = ev_history_get_property;
-
-	g_object_class_install_property (object_class,
-					 PROP_INDEX,
-					 g_param_spec_int ("index",
-							   "Current Index",
-							   "The current index",
-							    -1,
-							    G_MAXINT,
-							    0,
-							    G_PARAM_READWRITE));
+
+	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));
 
+	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, const gchar *label)
-{
-	EvLink *link;
-	EvLinkDest *dest;
-	EvLinkAction *action;
-	gchar *title;
-
-	g_return_if_fail (EV_IS_HISTORY (history));
+					      
+	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);
+	}
 	
-	title = g_strdup_printf (_("Page: %s"), label);
-
-	dest = ev_link_dest_new_page (page);
-	action = ev_link_action_new_dest (dest);
-	link = ev_link_new (title, action);
-	g_free (title);
-
-	ev_history_add_link (history, link);
+	g_signal_emit (history, signals[HISTORY_CHANGED], 0);
 }
 
 EvLink *
@@ -186,26 +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;
-
-	g_object_notify (G_OBJECT (history), "index");
-}
-
 EvHistory *
 ev_history_new (void)
 {
 	return EV_HISTORY (g_object_new (EV_TYPE_HISTORY, NULL));
 }
+