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Use "myself" QPointer with "sGui->processEventsToRefreshGui"

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Rational: during "sGui->processEventsToRefreshGui" object can be deleted
This commit is contained in:
Klaus Basan
2019-02-26 00:42:07 +01:00
committed by Mat Sutcliffe
parent 0e916864cb
commit bd1ef5dfea
3 changed files with 9 additions and 4 deletions
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8
src/swiftguistandard/swiftguistd.cpp
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@@ -39,6 +39,7 @@
#include <Qt>
#include <QtGlobal>
#include <QMessageBox>
#include <QPointer>
class QCloseEvent;
class QEvent;
@@ -122,8 +123,9 @@ void SwiftGuiStd::performGracefulShutdown()
ui->comp_MainInfoArea->dockAllWidgets();
// allow some other parts to react
if (!sGui) { return; } // overall shutdown
sGui->processEventsToRefreshGui();
const QPointer<SwiftGuiStd> myself(this);
if (sGui) { sGui->processEventsToRefreshGui(); }
if (!sGui || !myself) { return; } // killed in meantime?
// tell context GUI is going down
if (sGui->getIContextApplication())
@@ -132,7 +134,7 @@ void SwiftGuiStd::performGracefulShutdown()
}
// allow some other parts to react
sGui->processEventsToRefreshGui();
if (sGui) { sGui->processEventsToRefreshGui(); }
}
void SwiftGuiStd::closeEvent(QCloseEvent *event)