History finally works as expected.

[evince.git] / shell / ev-page-cache.c

diff --git a/shell/ev-page-cache.c b/shell/ev-page-cache.c
index c1af7d228efe52684030bd00aafeb9bde7af1fca..a6d7bd9e99fc713fe8ed2f1c1ff1270bd9da6678 100644 (file)
--- a/shell/ev-page-cache.c
+++ b/shell/ev-page-cache.c
@@ -45,11 +45,13 @@ struct _EvPageCacheClass
        GObjectClass parent_class;
 
        void (* page_changed) (EvPageCache *page_cache, gint page);
+       void (* history_changed) (EvPageCache *page_cache, gint page);
 };
 
 enum
 {
        PAGE_CHANGED,
+       HISTORY_CHANGED,
        N_SIGNALS,
 };
 
@@ -87,6 +89,16 @@ ev_page_cache_class_init (EvPageCacheClass *class)
                              G_TYPE_NONE, 1,
                              G_TYPE_INT);
 
+       signals [HISTORY_CHANGED] =
+               g_signal_new ("history-changed",
+                             EV_TYPE_PAGE_CACHE,
+                             G_SIGNAL_RUN_LAST,
+                             G_STRUCT_OFFSET (EvPageCacheClass, history_changed),
+                             NULL, NULL,
+                             g_cclosure_marshal_VOID__INT,
+                             G_TYPE_NONE, 1,
+                             G_TYPE_INT);
+
 }
 
 static void
@@ -324,6 +336,16 @@ ev_page_cache_set_current_page (EvPageCache *page_cache,
        g_signal_emit (page_cache, signals[PAGE_CHANGED], 0, page);
 }
 
+void
+ev_page_cache_set_current_page_history (EvPageCache *page_cache,
+                                       int          page)
+{
+       if (page != page_cache->current_page)
+               g_signal_emit (page_cache, signals [HISTORY_CHANGED], 0, page);
+               
+       ev_page_cache_set_current_page (page_cache, page);
+}
+
 gboolean
 ev_page_cache_set_page_label (EvPageCache *page_cache,
                              const char  *page_label)