[glade3] Minor code cleanup in glade-widget.c (use gtk_widget_get_ancestor instead of looping).

[Tristan Van Berkom <tvb src gnome org>]

commit 53c3782c8b7967daf7d29385548e58fd96b2dc39
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Thu Jan 6 16:54:35 2011 +0900

    Minor code cleanup in glade-widget.c (use gtk_widget_get_ancestor instead
    of looping).

 gladeui/glade-widget.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/gladeui/glade-widget.c b/gladeui/glade-widget.c
index b780e99..4fd181d 100644
--- a/gladeui/glade-widget.c
+++ b/gladeui/glade-widget.c
@@ -3366,10 +3366,11 @@ glade_widget_child_get_property (GladeWidget * widget,
 }
 
 static gboolean
-glade_widget_event_private (GtkWidget * widget,
-                            GdkEvent * event, GladeWidget * gwidget)
+glade_widget_event_private (GtkWidget   *widget,
+                            GdkEvent    *event, 
+			    GladeWidget *gwidget)
 {
-  GtkWidget *layout = widget;
+  GtkWidget *layout;
 
   /* Dont run heavy machienery for events we're not interested in 
    * marshalling */
@@ -3377,8 +3378,7 @@ glade_widget_event_private (GtkWidget * widget,
     return FALSE;
 
   /* Find the parenting layout container */
-  while (layout && !GLADE_IS_DESIGN_LAYOUT (layout))
-    layout = gtk_widget_get_parent (layout);
+  layout = gtk_widget_get_ancestor (widget, GLADE_TYPE_DESIGN_LAYOUT);
 
   /* Event outside the logical heirarchy, could be a menuitem
    * or other such popup window, we'll presume to send it directly