[Bug 6716] Database box is not correctly renewed in IDOS
wine-bugs at winehq.org
wine-bugs at winehq.org
Fri Feb 24 07:24:08 CST 2012
http://bugs.winehq.org/show_bug.cgi?id=6716
--- Comment #28 from Petr Dlouhý <petr.dlouhy at email.cz> 2012-02-24 07:24:08 CST ---
Seems like I have found the bug. As I can tell, the problem is following:
IDOS has broken WindowProc handler for custom drawing - it returns 48 insted of
CDRF_NOTIFYITEMDRAW code when the handler is called with CDDS_PREPAINT code.
According to MSDN, ListView should send NM_CUSTOMDRAW notifications _only_ if
dwDrawStage equals CDDS_PREPAINT:
http://msdn.microsoft.com/en-us/library/windows/desktop/bb775489(v=vs.85).aspx#CDRF_NOTIFYITEMDRAW
The problem is, that wine treats cditemmode parameters as flags and compares it
with "&", and not with "==".
I am attaching patch, which solves this. It also contains test for this which
runs on WinXP, Wine with native comctl32 library, Wine with this patch but not
on pure Wine 1.4-rc2.
Please, could someone double check my patch before I post it to by applied?
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