[gtk+/wip/csd-for-review] Update buttons when the window state changes

[Matthias Clasen <matthiasc src gnome org>]

commit 5c672650eae0a9232bdb2f7f9f73396c35c5b03b
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 10 13:51:11 2013 -0400

    Update buttons when the window state changes

 gtk/gtkwindow.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index d65d359..3043e7b 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -6117,6 +6117,12 @@ gtk_window_state_event (GtkWidget           *widget,
         gtk_widget_set_visible (priv->title_box, !priv->fullscreen);
     }
 
+  if (event->changed_mask & (GDK_WINDOW_STATE_FULLSCREEN | GDK_WINDOW_STATE_MAXIMIZED))
+    {
+      update_window_buttons (window);
+      gtk_widget_queue_draw (window);
+    }
+
   return FALSE;
 }