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use deferred deletion for the mouse grabber, otherwise we might run into

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crashes in QQuickWindow, when deleting is the result of a mouse release
somewhere below the popup
This commit is contained in:
Uwe Rathmann 2019-02-05 10:12:39 +01:00
parent 9845aa2966
commit bc7562234d
1 changed files with 13 additions and 2 deletions
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15
src/controls/QskPopup.cpp
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@ -251,8 +251,19 @@ void QskPopup::updateInputGrabber()
}
else
{
delete m_data->inputGrabber;
m_data->inputGrabber = nullptr;
if ( m_data->inputGrabber )
{
/*
In QQuickWindowPrivate::deliverPressOrReleaseEvent ( 5.12 )
might crash, when we delete the grabber as a result of a
mouse event somewehere below the popup.
*/
m_data->inputGrabber->setParentItem( nullptr );
m_data->inputGrabber->setParent( nullptr );
m_data->inputGrabber->deleteLater();
m_data->inputGrabber = nullptr;
}
}
}