[Bug 34594] Context menus and drop-down menus stay on the screen in Chessmaster 9000, 10 and 11 (WM_WINDOWPOSCHANGING message related)

https://bugs.winehq.org/show_bug.cgi?id=34594

--- Comment #15 from [e-mail] ---
(In reply to Dmitry Timoshkov from comment #12)
> Created attachment 56536 [details]
> patch
>
> Chessmaster's menu implementation depends on WM_WINDOWPOSCHANGED message sent
> to (a being deactivated) menu window when one clicks on the main window.
>
> Attached patch fixes the problem with menu deactivation in Chessmaster, but
> may be a not proper fix, and there might be some side effects.
>
> This needs more investigation.

Applied the patch to Wine 2.0 rc2 and gave this a *quick* test. 
It seems to work, context/dropdown menus got cleared by clicking elsewhere, 
I didn't notice any side effects but I agree this needs more testing.