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[drape] crash fix. If user on mac press cmd+q, closeEvent comes twice

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ExMix 2015-07-29 21:01:25 +03:00 • committed by r.kuznetsov
parent 1be68b2b55
commit ced224e1f7
1 changed files with 3 additions and 0 deletions
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3
qt/draw_widget.cpp
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@ -106,6 +106,9 @@ bool IsLocationEmulation(QMouseEvent * e)
void DrawWidget::PrepareShutdown()
{
if (!m_contextFactory)
return;
// Discard current and all future Swap requests
m_contextFactory->shutDown();
frameSwappedSlot(NotInitialized);