http://bugs.winehq.org/show_bug.cgi?id=32066
--- Comment #4 from Alexandre Julliard julliard@winehq.org 2012-10-27 07:28:13 CDT --- Thanks. The problem is that we have to recreate the window to switch to the ARGB visual, and the window manager then gives focus back to the main window, which causes the app to take the menu down.
It works fine with a focus follows mouse wm policy, since the focus doesn't go back to the main window at that point. I don't think there's much we can do about this on the Wine side.