http://bugs.winehq.org/show_bug.cgi?id=20865
--- Comment #31 from Alexey Loukianov mooroon2@mail.ru 2010-06-22 17:51:42 --- (In reply to comment #30)
The test program which is attached does recreate how Steam's login window handles things. Note that what you are saying is exactly what happens.
Good to know that the testcase program still valid, thanks.