[Bug 9856] winecfg freezes when alt+ certain keys are pressed in certain places

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=9856





--- Comment #6 from Andrey Turkin <andrey.turkin at gmail.com>  2008-09-25 10:01:23 ---
Created an attachment (id=16267)
 --> (http://bugs.winehq.org/attachment.cgi?id=16267)
one-liner to fix this bug

The problem is not with winecfg but with user32 or comctl32. Actual hang occurs
in user32/dialog.c while trying to find accelerator for Alt-<something> if
window what received keystroke (i.e. currently focused control) or one of its
parents are invisible or disabled. This can happen with property sheet control
after tab change (old tab dialog becomes invisible but focus still somewhere in
it); I'm not sure what should be fixed - attached one-liner fixes described
case and this bug, but same thing can easily occur elsewhere. Either
DIALOG_IsAccelerator should be fixed to not hang on such cases, or
window-management code should be fixed to move focus elsewhere when control
becomes invisible.


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