[metacity] unset _NET_SUPPORTING_WM_CHECK when shutting down



commit 40e9f6fa2c68674b2c2c7803c3022d2267387189
Author: Thomas Thurman <tthurman gnome org>
Date:   Thu Jul 9 10:26:20 2009 -0400

    unset _NET_SUPPORTING_WM_CHECK when shutting down

 ChangeLog         |    4 ++++
 src/core/screen.c |    9 +++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 6e9d218..6820988 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-06-09  Matthias Clasen  <mclasen redhat com>
+
+	unset _NET_SUPPORTING_WM_CHECK when shutting down
+
 2009-06-08  Tomeu Vizoso  <tomeu sugarlabs org>
 
 	Add a switch to disable autofullscreen'ing maximized windows without decorations
diff --git a/src/core/screen.c b/src/core/screen.c
index e82dd93..e2e3f56 100644
--- a/src/core/screen.c
+++ b/src/core/screen.c
@@ -86,6 +86,13 @@ set_wm_check_hint (MetaScreen *screen)
   return Success;
 }
 
+static void
+unset_wm_check_hint (MetaScreen *screen)
+{
+  XDeleteProperty (screen->display->xdisplay, screen->xroot, 
+                   screen->display->atom__NET_SUPPORTING_WM_CHECK);
+}
+
 static int
 set_supported_hint (MetaScreen *screen)
 {
@@ -661,6 +668,8 @@ meta_screen_free (MetaScreen *screen,
     meta_warning (_("Could not release screen %d on display \"%s\"\n"),
                   screen->number, screen->display->name);
 
+  unset_wm_check_hint (screen);
+
   XDestroyWindow (screen->display->xdisplay,
                   screen->wm_sn_selection_window);
   



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