diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm | 94 |
1 files changed, 54 insertions, 40 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm index e87fc39c42..94b9e62eab 100644 --- a/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm +++ b/src/plugins/platforms/cocoa/qcocoaeventdispatcher.mm @@ -84,13 +84,12 @@ #include "private/qthread_p.h" #include "private/qguiapplication_p.h" #include <qdebug.h> +#include <qscopeguard.h> #include <AppKit/AppKit.h> QT_BEGIN_NAMESPACE -QT_USE_NAMESPACE - static inline CFRunLoopRef mainRunLoop() { return CFRunLoopGetMain(); @@ -293,46 +292,42 @@ bool QCocoaEventDispatcher::hasPendingEvents() return qGlobalPostedEventsCount() || (qt_is_gui_used && !CFRunLoopIsWaiting(CFRunLoopGetMain())); } -static bool IsMouseOrKeyEvent( NSEvent* event ) +static bool isUserInputEvent(NSEvent* event) { - bool result = false; - - switch( [event type] ) - { - case NSEventTypeLeftMouseDown: - case NSEventTypeLeftMouseUp: - case NSEventTypeRightMouseDown: - case NSEventTypeRightMouseUp: - case NSEventTypeMouseMoved: // ?? - case NSEventTypeLeftMouseDragged: - case NSEventTypeRightMouseDragged: - case NSEventTypeMouseEntered: - case NSEventTypeMouseExited: - case NSEventTypeKeyDown: - case NSEventTypeKeyUp: - case NSEventTypeFlagsChanged: // key modifiers changed? - case NSEventTypeCursorUpdate: // ?? - case NSEventTypeScrollWheel: - case NSEventTypeTabletPoint: - case NSEventTypeTabletProximity: - case NSEventTypeOtherMouseDown: - case NSEventTypeOtherMouseUp: - case NSEventTypeOtherMouseDragged: + switch ([event type]) { + case NSEventTypeLeftMouseDown: + case NSEventTypeLeftMouseUp: + case NSEventTypeRightMouseDown: + case NSEventTypeRightMouseUp: + case NSEventTypeMouseMoved: // ?? + case NSEventTypeLeftMouseDragged: + case NSEventTypeRightMouseDragged: + case NSEventTypeMouseEntered: + case NSEventTypeMouseExited: + case NSEventTypeKeyDown: + case NSEventTypeKeyUp: + case NSEventTypeFlagsChanged: // key modifiers changed? + case NSEventTypeCursorUpdate: // ?? + case NSEventTypeScrollWheel: + case NSEventTypeTabletPoint: + case NSEventTypeTabletProximity: + case NSEventTypeOtherMouseDown: + case NSEventTypeOtherMouseUp: + case NSEventTypeOtherMouseDragged: #ifndef QT_NO_GESTURES - case NSEventTypeGesture: // touch events - case NSEventTypeMagnify: - case NSEventTypeSwipe: - case NSEventTypeRotate: - case NSEventTypeBeginGesture: - case NSEventTypeEndGesture: + case NSEventTypeGesture: // touch events + case NSEventTypeMagnify: + case NSEventTypeSwipe: + case NSEventTypeRotate: + case NSEventTypeBeginGesture: + case NSEventTypeEndGesture: #endif // QT_NO_GESTURES - result = true; + return true; break; - - default: + default: break; } - return result; + return false; } static inline void qt_mac_waitForMoreEvents(NSString *runLoopMode = NSDefaultRunLoopMode) @@ -352,6 +347,16 @@ static inline void qt_mac_waitForMoreEvents(NSString *runLoopMode = NSDefaultRun bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) { Q_D(QCocoaEventDispatcher); + + // In rare rather corner cases a user's application messes with + // QEventLoop::exec()/exit() and QCoreApplication::processEvents(), + // we have to undo what bool blocker normally does. + d->propagateInterrupt = false; + const auto boolBlockerUndo = qScopeGuard([d](){ + if (d->propagateInterrupt) + d->interrupt = true; + d->propagateInterrupt = false; + }); QBoolBlocker interruptBlocker(d->interrupt, false); bool interruptLater = false; @@ -465,7 +470,7 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) dequeue: YES]; if (event) { - if (IsMouseOrKeyEvent(event)) { + if (isUserInputEvent(event)) { [event retain]; d->queuedUserInputEvents.append(event); continue; @@ -485,7 +490,7 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) if (event) { if (flags & QEventLoop::ExcludeUserInputEvents) { - if (IsMouseOrKeyEvent(event)) { + if (isUserInputEvent(event)) { [event retain]; d->queuedUserInputEvents.append(event); continue; @@ -500,7 +505,16 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) if ((d->processEventsFlags & QEventLoop::EventLoopExec) == 0) { // When called "manually", always process posted events and timers + bool oldInterrupt = d->interrupt; d->processPostedEvents(); + if (!oldInterrupt && d->interrupt && !d->currentModalSession()) { + // We had direct processEvent call, coming not from QEventLoop::exec(). + // One of the posted events triggered an application to interrupt the loop. + // But bool blocker will reset d->interrupt to false, so the real event + // loop will never notice it was interrupted. Now we'll have to fix it by + // enforcing the value of d->interrupt. + d->propagateInterrupt = true; + } retVal = d->processTimers() || retVal; } @@ -515,7 +529,7 @@ bool QCocoaEventDispatcher::processEvents(QEventLoop::ProcessEventsFlags flags) if (hadModalSession && !d->currentModalSessionCached) interruptLater = true; } - bool canWait = (d->threadData->canWait + bool canWait = (d->threadData.loadRelaxed()->canWait && !retVal && !d->interrupt && (d->processEventsFlags & QEventLoop::WaitForMoreEvents)); @@ -882,7 +896,7 @@ void QCocoaEventDispatcherPrivate::processPostedEvents() } int serial = serialNumber.loadRelaxed(); - if (!threadData->canWait || (serial != lastSerial)) { + if (!threadData.loadRelaxed()->canWait || (serial != lastSerial)) { lastSerial = serial; QCoreApplication::sendPostedEvents(); QWindowSystemInterface::sendWindowSystemEvents(QEventLoop::AllEvents); |