[glade] Fixed Drag/Resize for GtkFixed by explicitly giving it a window.

[Tristan Van Berkom <tvb src gnome org>]

commit 3d66650794360461a076df9315b0bbf25444221f
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Wed Apr 3 16:11:09 2013 +0900

    Fixed Drag/Resize for GtkFixed by explicitly giving it a window.
    
    Current Drag/Resize was only working in GtkLayout since the layout
    defines it's own GdkWindow, just force GtkFixed to have a window too.

 plugins/gtk+/glade-gtk.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/plugins/gtk+/glade-gtk.c b/plugins/gtk+/glade-gtk.c
index 7fd6757..5c86399 100644
--- a/plugins/gtk+/glade-gtk.c
+++ b/plugins/gtk+/glade-gtk.c
@@ -3782,6 +3782,8 @@ glade_gtk_fixed_layout_post_create (GladeWidgetAdaptor * adaptor,
 {
   /* Set a minimun size so you can actually see it if you added to a box */
   gtk_widget_set_size_request (GTK_WIDGET (object), 32, 32);
+
+  gtk_widget_set_has_window (GTK_WIDGET (object), TRUE);
   
   /* Sync up size request at project load time */
   if (reason == GLADE_CREATE_LOAD)