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authorBjørn Erik Nilsen <bjorn.nilsen@nokia.com>2009-10-22 08:46:32 (GMT)
committerOlivier Goffart <ogoffart@trolltech.com>2009-10-22 12:04:43 (GMT)
commit079202d135908444c418b064928117b4a273e075 (patch)
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parentadc8f1b1e7a91c3807b074a43c18d2b0e31c9a9d (diff)
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QWidget painting regression on Windows.
Problem occurred on Windows due to a call to repaint() on a top-level window from setDisabledStyle() in qwidget.cpp. This function is called whenever a window is blocking. In this particular case the children of the repainted window are opaque, and should therefore not be repainted, which also means that the top-level have to subtract the region of the opaque children when filling the background. This region is cached, and the problem was that the cached region was wrong. It was wrong because it was not invalidated properly. Task: QTBUG-4245 Reviewed-by: Paul
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