http://bugs.winehq.org/show_bug.cgi?id=30057
--- Comment #30 from Vitaliy Margolen vitaliy-bugzilla@kievinfo.com 2012-03-07 08:18:53 CST --- Don't think it's just Ubuntu's problem. Somebody reported the same issue with Gentoo on the forum.
The reason you not seeing this with any native apps because most of them either don't use Xi2 at all, or use absolute coordinates, which can be obtained without Xi2.