From 33fee69bf40c2d3f514e063dd510f78c3eff03ae Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Thu, 2 Oct 2003 04:47:35 +0000
Subject: [PATCH] In desktop mode, only move the window in Z-order relative to
 siblings belonging to the same process.

---
 dlls/x11drv/window.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/dlls/x11drv/window.c b/dlls/x11drv/window.c
index b25b5256673..28f54172b65 100644
--- a/dlls/x11drv/window.c
+++ b/dlls/x11drv/window.c
@@ -559,6 +559,22 @@ int X11DRV_sync_whole_window_position( Display *display, WND *win, int zorder )
         else
         {
             HWND next = GetWindow( win->hwndSelf, GW_HWNDNEXT );
+
+            if (root_window != DefaultRootWindow(display))
+            {
+                /* in desktop mode we need the sibling to belong to the same process */
+                while (next)
+                {
+                    WND *ptr = WIN_GetPtr( next );
+                    if (ptr != WND_OTHER_PROCESS)
+                    {
+                        WIN_ReleasePtr( ptr );
+                        break;
+                    }
+                    next = GetWindow( next, GW_HWNDNEXT );
+                }
+            }
+
             if (!next)  /* bottom child */
             {
                 changes.stack_mode = Below;