http://bugs.winehq.org/show_bug.cgi?id=3312
------- Additional Comments From dmitry@codeweavers.com 2006-29-10 03:54 ------- Becuase for instance I've fixed the bugs in Gnome to properly handle fullscreening requests from Wine.
Or, again, at least some investigation should be done to see what is going on. Until we know why this happens we can't do anything to improve it.