[Bug 10522] endless WM_PAINT loop bug (update regions, queue paint count)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=10522





--- Comment #13 from Austin Lund <austin.lund at gmail.com>  2009-07-02 00:43:10 ---
Created an attachment (id=22138)
 --> (http://bugs.winehq.org/attachment.cgi?id=22138)
Test case

It seems that when there is this redraw in the WM_NCPAINT message handler and
both the RDW_FRAME and RDW_INVALIDATE flags are set, then there is always an
area (the non-client area) that is left flagged as needing to be updated.  

This patch adds a test for this.  On windows after an WM_PAINT message the area
needing to be updated is NULL.  On wine there is still a region needing to be
updated.

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