From 3db0bec7de9d93a6b8d0773c969c760cef51314a Mon Sep 17 00:00:00 2001
From: Fedora X Ninjas <x@fedoraproject.org>
Date: Fri, 30 Jan 2009 10:19:01 +1000
Subject: [PATCH] mi: don't call UpdateSpriteForScreen if we have Xinerama enabled. #18668

In Xinerama all windows hang off the first root window. Crossing the screens
must not reset the spriteTrace, otherwise picking fails and events are sent to
the root window.

X.Org Bug 18668 <http://bugs.freedesktop.org/show_bug.cgi?id=18668>
---
 mi/mipointer.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/mi/mipointer.c b/mi/mipointer.c
index b55e68b..195243d 100644
--- a/mi/mipointer.c
+++ b/mi/mipointer.c
@@ -260,7 +260,14 @@ miPointerWarpCursor (pScreen, x, y)
 	miPointer.pScreen = pScreen;
     }
 
-    if (changedScreen)
+    /* Don't call USFS if we use Xinerama, otherwise the root window is
+     * updated to the second screen, and we never receive any events.
+     * (FDO bug #18668) */
+    if (changedScreen
+#ifdef PANORAMIX
+            && noPanoramiXExtension
+#endif
+       )
         UpdateSpriteForScreen (pScreen) ;
 }
 
-- 
1.6.0.6