http://bugs.winehq.org/show_bug.cgi?id=28839
--- Comment #5 from Artem S. Tashkinov t.artem@mailcity.com 2013-08-16 05:43:53 CDT --- (In reply to comment #3)
Still present in wine 1.5.8. This bug is quite annoying because the entire X server gets locked.
This sounds like an X.org limitation:
https://bugzilla.gnome.org/show_bug.cgi?id=344059 https://bugs.kde.org/show_bug.cgi?id=70063
And there can be no workaround.