[gedit-plugins] bookmarks: Update action group sensitivity

[Volker Sobek <vsobek src gnome org>]

commit 8381ae8c292c24f235776a5a8d8263d5a1bd2317
Author: Volker Sobek <reklov live com>
Date:   Sun Nov 24 14:57:18 2013 +0100

    bookmarks: Update action group sensitivity
    
    Fix crash that occurred on the toggle bookmark action when no document
    was open. It was possible to trigger the crash because the actions for
    the plugin were always sensitive, even when there was no open
    document.
    
    Additionally protect against NULL in toggle_bookmark.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=715117

 plugins/bookmarks/gedit-bookmarks-plugin.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/plugins/bookmarks/gedit-bookmarks-plugin.c b/plugins/bookmarks/gedit-bookmarks-plugin.c
index 994bc63..452ead5 100644
--- a/plugins/bookmarks/gedit-bookmarks-plugin.c
+++ b/plugins/bookmarks/gedit-bookmarks-plugin.c
@@ -769,6 +769,16 @@ gedit_bookmarks_plugin_activate (GeditWindowActivatable *activatable)
 }
 
 static void
+gedit_bookmarks_plugin_update_state (GeditWindowActivatable *activatable)
+{
+       GeditBookmarksPluginPrivate *priv;
+
+       priv = GEDIT_BOOKMARKS_PLUGIN (activatable)->priv;
+       gtk_action_group_set_sensitive (priv->action_group,
+                                       gedit_window_get_active_view (priv->window) != NULL);
+}
+
+static void
 save_bookmark_metadata (GeditView *view)
 {
        GtkTextIter iter;
@@ -1082,6 +1092,11 @@ toggle_bookmark (GtkSourceBuffer *buffer,
        GtkTextIter start;
        GtkSourceMark *bookmark = NULL;
 
+       if (buffer == NULL)
+       {
+               return;
+       }
+
        bookmark = get_bookmark_and_iter (buffer, iter, &start);
 
        if (bookmark != NULL)
@@ -1101,6 +1116,7 @@ on_toggle_bookmark_activate (GtkAction            *action,
        GtkSourceBuffer *buffer;
 
        buffer = GTK_SOURCE_BUFFER (gedit_window_get_active_document (plugin->priv->window));
+
        toggle_bookmark (buffer, NULL);
 }
 
@@ -1191,6 +1207,7 @@ gedit_window_activatable_iface_init (GeditWindowActivatableInterface *iface)
 {
        iface->activate = gedit_bookmarks_plugin_activate;
        iface->deactivate = gedit_bookmarks_plugin_deactivate;
+       iface->update_state = gedit_bookmarks_plugin_update_state;
 }
 
 G_MODULE_EXPORT void