diff options
author | Miikka Heikkinen <miikka.heikkinen@digia.com> | 2012-03-01 13:19:24 +0200 |
---|---|---|
committer | Qt by Nokia <qt-info@nokia.com> | 2012-03-02 14:45:23 +0100 |
commit | 62a654cc902197cc99326879076ba53b6509dc67 (patch) | |
tree | 232a0e0fdebf2b5c956f80e432e8870c4d545fdc /src | |
parent | 53229ec8f79c4895e0476d1f3fb950f0427ba427 (diff) |
Fix QApplication autotest crash when running on multiple screens
Screens need to be destroyed in reverse order to ensure the primary
screen stays valid when other screens are destroyed.
Task-number: QTBUG-24300
Change-Id: I9d9d710aa67ec045baa8bf292833ffe7d9eea935
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>
Reviewed-by: Morten Johan Sørvig <morten.sorvig@nokia.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoaintegration.h | 1 | ||||
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoaintegration.mm | 6 | ||||
-rw-r--r-- | src/plugins/platforms/windows/qwindowsscreen.h | 6 | ||||
-rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 4 |
4 files changed, 15 insertions, 2 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.h b/src/plugins/platforms/cocoa/qcocoaintegration.h index be061547a9..5493b21c34 100644 --- a/src/plugins/platforms/cocoa/qcocoaintegration.h +++ b/src/plugins/platforms/cocoa/qcocoaintegration.h @@ -97,6 +97,7 @@ private: QScopedPointer<QPlatformAccessibility> mAccessibility; QScopedPointer<QPlatformTheme> mPlatformTheme; + QList<QCocoaScreen *> mScreens; }; QT_END_NAMESPACE diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm index fb8e487029..626a7fe0f9 100644 --- a/src/plugins/platforms/cocoa/qcocoaintegration.mm +++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm @@ -134,6 +134,7 @@ QCocoaIntegration::QCocoaIntegration() NSArray *screens = [NSScreen screens]; for (uint i = 0; i < [screens count]; i++) { QCocoaScreen *screen = new QCocoaScreen(i); + mScreens.append(screen); screenAdded(screen); } @@ -142,6 +143,11 @@ QCocoaIntegration::QCocoaIntegration() QCocoaIntegration::~QCocoaIntegration() { [[NSApplication sharedApplication] setDelegate: 0]; + + // Delete screens in reverse order to avoid crash in case of multiple screens + while (!mScreens.isEmpty()) { + delete mScreens.takeLast(); + } } bool QCocoaIntegration::hasCapability(QPlatformIntegration::Capability cap) const diff --git a/src/plugins/platforms/windows/qwindowsscreen.h b/src/plugins/platforms/windows/qwindowsscreen.h index 436cc2c0d9..77a327a62a 100644 --- a/src/plugins/platforms/windows/qwindowsscreen.h +++ b/src/plugins/platforms/windows/qwindowsscreen.h @@ -115,7 +115,11 @@ public: QWindowsScreenManager(); - inline void clearScreens() { qDeleteAll(m_screens); m_screens.clear(); } + inline void clearScreens() { + // Delete screens in reverse order to avoid crash in case of multiple screens + while (!m_screens.isEmpty()) + delete m_screens.takeLast(); + } void handleScreenChanges(); bool handleDisplayChange(WPARAM wParam, LPARAM lParam); diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index 04c43eb97f..9a68d85a63 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -191,7 +191,9 @@ QXcbConnection::~QXcbConnection() { delete m_clipboard; - qDeleteAll(m_screens); + // Delete screens in reverse order to avoid crash in case of multiple screens + while (!m_screens.isEmpty()) + delete m_screens.takeLast(); #ifdef XCB_USE_XINPUT2_MAEMO finalizeXInput2(); |