Implement history dropdowns

[evince.git] / shell / ev-history.c

diff --git a/shell/ev-history.c b/shell/ev-history.c
index 47fa300cb752ae267973c907ddda543c40005635..08e2d1c443ae4371182b169769c451ce8cfa91f3 100644 (file)
--- a/shell/ev-history.c
+++ b/shell/ev-history.c
@@ -30,6 +30,11 @@ struct _EvHistoryPrivate
        int current_index;
 };
 
+enum {
+       PROP_0,
+       PROP_INDEX
+};
+
 static void ev_history_init       (EvHistory *history);
 static void ev_history_class_init (EvHistoryClass *class);
 
@@ -45,6 +50,7 @@ ev_history_init (EvHistory *history)
        history->priv = EV_HISTORY_GET_PRIVATE (history);
 
        history->priv->links = NULL;
+       history->priv->current_index = -1;
 }
 
 static void
@@ -64,52 +70,116 @@ ev_history_finalize (GObject *object)
        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;
 
        parent_class = g_type_class_peek_parent (class);
 
+       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));
+
        g_type_class_add_private (object_class, sizeof (EvHistoryPrivate));
 }
 
 void
-ev_history_add_link (EvHistory *history, EvBookmark *bookmark)
+ev_history_add_link (EvHistory *history, EvLink *link)
 {
        int length;
 
        g_return_if_fail (EV_IS_HISTORY (history));
-       g_return_if_fail (EV_IS_BOOKMARK (bookmark));
+       g_return_if_fail (EV_IS_LINK (link));
 
-       g_object_ref (bookmark);
+       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;
+               }
+       }
+
+       g_object_ref (link);
        history->priv->links = g_list_append (history->priv->links,
-                                             bookmark);
+                                             link);
 
        length = g_list_length (history->priv->links);
        history->priv->current_index = length - 1;
-
-       g_print ("Set current\n");
 }
 
 void
 ev_history_add_page (EvHistory *history, int page)
 {
-       EvBookmark *bookmark;
+       EvLink *link;
        char *title;
 
        g_return_if_fail (EV_IS_HISTORY (history));
 
-       title = g_strdup_printf (_("Page %d\n"), page);
-       bookmark = ev_bookmark_new_link (title, page);
+       title = g_strdup_printf (_("Page %d"), page);
+       link = ev_link_new_page (title, page);
        g_free (title);
 
-       ev_history_add_link (history, bookmark);
+       ev_history_add_link (history, link);
 }
 
-EvBookmark *
+EvLink *
 ev_history_get_link_nth        (EvHistory *history, int index)
 {
        GList *l;
@@ -118,7 +188,7 @@ ev_history_get_link_nth     (EvHistory *history, int index)
 
        l = g_list_nth (history->priv->links, index);
 
-       return EV_BOOKMARK (l->data);
+       return EV_LINK (l->data);
 }
 
 int
@@ -143,6 +213,8 @@ 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 *