[Bug 1091] New: - ScrollWindowEx does not update invalidated are

http://bugs.winehq.com/show_bug.cgi?id=1091

Summary: ScrollWindowEx does not update invalidated are
           Product: Wine
           Version: CVS
          Platform: All
               URL: http://www.winehq.org/hypermail/wine-
                    devel/2002/09/0748.html
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: wine-x11driver
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

When the content of a window is scrolled, parts of it may be hidden, or
invalidated. The the scroll rectangle intersect the invalidated portion,
the invalidated region has to be adjusted (either shrinked, or enlarged).
Curret code does not seem to do that, causing strange visual problems.

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