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Increase the loopLevel when activating menu items.

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Apply 0293aff5c44202e5c62e229b74d8bd0bf9206185
from Qt 4.

Without this, calls to deleteLater() may create delete
later events with a loopLevel of 1. Those events will
not be processed until QApplication::exec() returns.

Add a QScopedLoopLevelCounter that increases the loopLevel
for the duration of the activated() call.

Task-number: QTBUG-30660

Change-Id: I7ab3bb3a53243691b8f7f64e025150e5cc7da2c8
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
This commit is contained in:
Morten Johan Sørvig 2013-04-26 09:32:01 +02:00 committed by The Qt Project
parent 4ca105b9bb
commit 2e69015d74
2 changed files with 6 additions and 0 deletions
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3
src/plugins/platforms/cocoa/qcocoamenu.mm
View File

@ -45,6 +45,8 @@
#include "qcocoaautoreleasepool.h"
#include <QtCore/QtDebug>
#include <QtCore/private/qthread_p.h>
#include <QtGui/private/qguiapplication_p.h>
#include "qcocoaapplication.h"
#include "qcocoamenuloader.h"
#include "qcocoawindow.h"
@ -110,6 +112,7 @@ static inline QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *getMenuLoader()
- (void) itemFired:(NSMenuItem*) item
{
QCocoaMenuItem *cocoaItem = reinterpret_cast<QCocoaMenuItem *>([item tag]);
QScopedLoopLevelCounter loopLevelCounter(QGuiApplicationPrivate::instance()->threadData);
cocoaItem->activated();
}

3
src/plugins/platforms/cocoa/qcocoamenuloader.mm
View File

@ -47,10 +47,12 @@
#include "qcocoamenuitem.h"
#include <QtCore/private/qcore_mac_p.h>
#include <QtCore/private/qthread_p.h>
#include <QtCore/qcoreapplication.h>
#include <QtCore/qdir.h>
#include <QtCore/qstring.h>
#include <QtCore/qdebug.h>
#include <QtGui/private/qguiapplication_p.h>
QT_FORWARD_DECLARE_CLASS(QCFString)
QT_FORWARD_DECLARE_CLASS(QString)
@ -305,6 +307,7 @@ QT_END_NAMESPACE
if ([item tag]) {
QCocoaMenuItem *cocoaItem = reinterpret_cast<QCocoaMenuItem *>([item tag]);
QScopedLoopLevelCounter loopLevelCounter(QGuiApplicationPrivate::instance()->threadData);
cocoaItem->activated();
}
}