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QMacNativeWidget: Fix background rendering

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The widget's background is transparent, but Qt is not owning the
backing store in this case, so we must make sure it gets properly
cleared and flushed.

Task-number: QTBUG-19840
Change-Id: I1087ce80aae3620d64a8c180129d79b5b022750b
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
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Gabriel de Dietrich 2014-04-01 18:15:18 +02:00 committed by The Qt Project
parent c4c9883d13
commit 5ad594a061
1 changed files with 1 additions and 0 deletions
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src/widgets/widgets/qmacnativewidget_mac.mm
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@ -128,6 +128,7 @@ QMacNativeWidget::QMacNativeWidget(NSView *parentView)
setAttribute(Qt::WA_SetPalette, false);
setAttribute(Qt::WA_LayoutUsesWidgetRect);
setAttribute(Qt::WA_TranslucentBackground);
setAttribute(Qt::WA_NoSystemBackground, false);
}
/*!