[gtk+] Correct the initial event mask of the root window

[Matthias Clasen <matthiasc src gnome org>]

commit da00e171e7ac1ed3354f2aa81c8f69faaffc9421
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 6 02:42:39 2009 -0400

    Correct the initial event mask of the root window
    
    This fixes bug 588455 where the panel stopped responding to Alt-F2 when
    setting a transparent background.

 gdk/x11/gdkwindow-x11.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkwindow-x11.c b/gdk/x11/gdkwindow-x11.c
index 82ce213..d664384 100644
--- a/gdk/x11/gdkwindow-x11.c
+++ b/gdk/x11/gdkwindow-x11.c
@@ -455,6 +455,10 @@ _gdk_windowing_window_init (GdkScreen * screen)
   private->width = WidthOfScreen (screen_x11->xscreen);
   private->height = HeightOfScreen (screen_x11->xscreen);
   private->viewable = TRUE;
+
+  /* see init_randr_support() in gdkscreen-x11.c */
+  private->event_mask = GDK_STRUCTURE_MASK;
+
   _gdk_window_update_size (screen_x11->root_window);
   
   _gdk_xid_table_insert (screen_x11->display,