http://bugs.winehq.org/show_bug.cgi?id=6971
--- Comment #198 from Vitaliy Margolen vitaliy@kievinfo.com 2008-12-23 08:54:28 --- (In reply to comment #194) That won't work. Mouse will escape especially in FPS type of games where mouse moves are fast and long.
The combination of fixing PointerGrab and this might work.
(In reply to comment #197) See comment #82 and comment #83. Don't know if those patches still apply to current GIT.