winex11.drv: Reposition windows on desktop resize only when useful.

This will end up moving window around only if the old virtual screen origin is different from the new one. Don't send unnecessary messages if it didn't change. This helps speeding up D3D tests on the testbot VMs with multiple displays and hopefully solve the timeout problems.

winex11.drv: Reposition windows on desktop resize only when useful.
aeb43dce · Rémi Bernon · Alexandre Julliard · d6829bdc · aeb43dce
Commit aeb43dce authored Nov 23, 2022 by Rémi Bernon Committed by Alexandre Julliard Nov 23, 2022
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desktop.c dlls/winex11.drv/desktop.c +4 -2

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--- a/dlls/winex11.drv/desktop.c
+++ b/dlls/winex11.drv/desktop.c
@@ -470,8 +470,10 @@ void X11DRV_resize_desktop(void)
                        virtual_rect.right - virtual_rect.left, virtual_rect.bottom - virtual_rect.top,
                        SWP_NOZORDER | SWP_NOACTIVATE | SWP_DEFERERASE );
    ungrab_clipping_window();
-    send_message_timeout( HWND_BROADCAST, WM_X11DRV_DESKTOP_RESIZED, old_virtual_rect.left,
-                          old_virtual_rect.top, SMTO_ABORTIFHUNG, 2000, FALSE );
+
+    if (old_virtual_rect.left != virtual_rect.left || old_virtual_rect.top != virtual_rect.top)
+        send_message_timeout( HWND_BROADCAST, WM_X11DRV_DESKTOP_RESIZED, old_virtual_rect.left,
+                              old_virtual_rect.top, SMTO_ABORTIFHUNG, 2000, FALSE );

    /* forward clip_fullscreen_window request to the foreground window */
    send_notify_message( NtUserGetForegroundWindow(), WM_X11DRV_CLIP_CURSOR_REQUEST, TRUE, TRUE );