[Bug 29183] New: Heavy corruption when rendering edit control with WM_PRINTCLIENT and possibly invalid HDC
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat Nov 26 15:29:51 CST 2011
http://bugs.winehq.org/show_bug.cgi?id=29183
Bug #: 29183
Summary: Heavy corruption when rendering edit control with
WM_PRINTCLIENT and possibly invalid HDC
Product: Wine
Version: 1.3.33
Platform: x86
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: user32
AssignedTo: wine-bugs at winehq.org
ReportedBy: toni.spets at iki.fi
Classification: Unclassified
Created attachment 37649
--> http://bugs.winehq.org/attachment.cgi?id=37649
Hack for the problem
This is the most severe bug with ResEdit currently. For some reason
WM_PRINTCLIENT might get a wParam with HDC that causes massive corruption when
used. Forcing using Begin/EndPaint avoid the problem.
On Windows it seems to work just fine.
Patch with hack attached and another attachment with the corruption shown. The
window height problem with the dialog in the center is related to another bug.
Also attached a screenshot with all my hacks applied.
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