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From bcbfd619f8da888224afd80ee3a2db7d500523eb Mon Sep 17 00:00:00 2001
From: =?utf-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Wed, 16 Jan 2008 20:24:11 -0500
Subject: [PATCH] Don't break grab and focus state for a window when redirecting it.
Composite uses an unmap/map cycle to trigger backing pixmap allocation
and cliprect recomputation when a window is redirected or unredirected.
To avoid protocol visible side effects, map and unmap events are
disabled temporarily. However, when a window is unmapped it is also
removed from grabs and loses focus, but these state changes are not
disabled.
This change supresses the unmap side effects during the composite
unmap/map cycle and fixes this bug:
http://bugzilla.gnome.org/show_bug.cgi?id=488264
where compiz would cause gnome-screensaver to lose its grab when
compiz unredirects the fullscreen lock window.
---
dix/window.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/dix/window.c b/dix/window.c
index be4ea2c..961c02a 100644
--- a/dix/window.c
+++ b/dix/window.c
@@ -3023,7 +3023,8 @@ UnrealizeTree(
}
#endif
(* Unrealize)(pChild);
- DeleteWindowFromAnyEvents(pChild, FALSE);
+ if (MapUnmapEventsEnabled(pWin))
+ DeleteWindowFromAnyEvents(pChild, FALSE);
if (pChild->viewable)
{
#ifdef DO_SAVE_UNDERS
--
1.5.5.1
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