Added patch to fix handling of WM_WINDOWPOS{CHANGING,CHANGED} for deactivated topmost window.

patches/winex11-WM_WINDOWPOSCHANGING/0001-winex11.drv-Send-WM_WINDOWPOSCHANGING-WM_WINDOWPOSCH.patch

@@ -0,0 +1,46 @@
+From 59692b046e936dc25ecab6adaf258533a7404635 Mon Sep 17 00:00:00 2001
+From: Dmitry Timoshkov <dmitry@baikal.ru>
+Date: Tue, 27 Dec 2016 17:45:05 +0800
+Subject: winex11.drv: Send WM_WINDOWPOSCHANGING/WM_WINDOWPOSCHANGED messages
+ to a being deactivated topmost window.
+
+---
+ dlls/winex11.drv/event.c | 13 ++++++++++++-
+ 1 file changed, 12 insertions(+), 1 deletion(-)
+
+diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
+index bf2cbb07429..e38b76a7274 100644
+--- a/dlls/winex11.drv/event.c
++++ b/dlls/winex11.drv/event.c
+@@ -593,16 +593,27 @@ static void set_input_focus( struct x11drv_win_data *data )
+  */
+ static void set_focus( Display *display, HWND hwnd, Time time )
+ {
+-    HWND focus;
++    HWND focus, old_active;
+     Window win;
+     GUITHREADINFO threadinfo;
+ 
++    old_active = GetForegroundWindow();
++
+     /* prevent recursion */
+     x11drv_thread_data()->active_window = hwnd;
+ 
+     TRACE( "setting foreground window to %p\n", hwnd );
+     SetForegroundWindow( hwnd );
+ 
++    /* Some applications expect that a being deactivated topmost window
++     * receives the WM_WINDOWPOSCHANGING/WM_WINDOWPOSCHANGED messages,
++     * and perform some specific actions. Chessmaster is one of such apps.
++     * Window Manager keeps a topmost window on top in z-oder, so there is
++     * no need to actually do anything, just send the messages.
++     */
++    if (old_active && (GetWindowLongW( old_active, GWL_EXSTYLE ) & WS_EX_TOPMOST))
++        SetWindowPos( old_active, hwnd, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOOWNERZORDER );
++
+     threadinfo.cbSize = sizeof(threadinfo);
+     GetGUIThreadInfo(0, &threadinfo);
+     focus = threadinfo.hwndFocus;
+-- 
+2.11.0
+

patches/winex11-WM_WINDOWPOSCHANGING/definition

@@ -0,0 +1,2 @@
+Fixes: [34594] Fix handling of WM_WINDOWPOS{CHANGING,CHANGED} for deactivated topmost window
+Depends: winex11-_NET_ACTIVE_WINDOW