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Ensure that QBackingStore::flush() is not used across window hierarchies

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Change-Id: I0713d7499f32819db4263e36dff58812a9ac763c
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
This commit is contained in:
Tor Arne Vestbø 2016-09-26 16:36:38 +02:00 committed by Tor Arne Vestbø
parent 669add92d9
commit 7a7b745917
1 changed files with 2 additions and 0 deletions
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2
src/gui/painting/qbackingstore.cpp
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@ -112,6 +112,8 @@ void QBackingStore::flush(const QRegion &region, QWindow *win, const QPoint &off
}
#endif
Q_ASSERT(win == this->window() || this->window()->isAncestorOf(win, QWindow::ExcludeTransients));
d_ptr->platformBackingStore->flush(win, QHighDpi::toNativeLocalRegion(region, win),
QHighDpi::toNativeLocalPosition(offset, win));
}