http://bugs.winehq.org/show_bug.cgi?id=4876
Summary: Fullscreen Wine has Gnome/XFCE toolbars write over the top of the screen Product: Wine Version: 0.9.9. Platform: PC-x86-64 OS/Version: Linux Status: UNCONFIRMED Severity: major Priority: P2 Component: wine-binary AssignedTo: wine-bugs@winehq.org ReportedBy: ben@atomnet.co.uk
Something causes the Gnome toolbars and XFCE toolbars to write over the top of Wine when it is in fullscreen mode (in almost every program, I've noticed one or two that don't do it, can't remember right now) which makes them hard/impossible to use and looks awful meaning you have to use Windowed mode else you have the bars bleeding through, or rather completely over the top. The mouse moves over the bars too though which means FPSs and such are impossible to use.
I'm not sure if this bug has already been reported. I searched but didn't turn anything up.