[gtk+] places sidebar: compare bookmarks by index

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit ce9a5a3fecd10acc464252c21de8a3a92ea013e1
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Mar 4 17:12:40 2015 -0300

    places sidebar: compare bookmarks by index
    
    GtkPlacesSidebar applies a sorting function on
    the tree model that does not consider the case
    of bookmarks, which are sorted by their indexes.
    
    By adding the bookmarks corner case and comparing
    then by their indexes, GtkPlacesSidebar can sort
    the bookmarks properly in the order they're saved.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744589

 gtk/gtkplacessidebar.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index fecb94f..e9d220e 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -3830,6 +3830,20 @@ places_sidebar_sort_func (GtkTreeModel *model,
       g_free (name_a);
       g_free (name_b);
     }
+  else if ((place_type_a == place_type_b) &&
+           (place_type_a == PLACES_BOOKMARK))
+    {
+      gint pos_a, pos_b;
+
+      gtk_tree_model_get (model, iter_a,
+                          PLACES_SIDEBAR_COLUMN_INDEX, &pos_a,
+                          -1);
+      gtk_tree_model_get (model, iter_b,
+                          PLACES_SIDEBAR_COLUMN_INDEX, &pos_b,
+                          -1);
+
+      retval = pos_a - pos_b;
+    }
   else if (place_type_a == PLACES_CONNECT_TO_SERVER)
     {
       retval = 1;