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IN NO EVENT SHALL THE COPYRIGHT OWNER OR ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR ** PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF ** LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING ** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS ** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ** ****************************************************************************/ #ifndef QEVENTDISPATCHER_MAC_P_H #define QEVENTDISPATCHER_MAC_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include #include #include #include "private/qabstracteventdispatcher_p.h" #include "private/qt_mac_p.h" QT_BEGIN_NAMESPACE #ifdef QT_MAC_USE_COCOA typedef struct _NSModalSession *NSModalSession; typedef struct _QCocoaModalSessionInfo { QPointer widget; NSModalSession session; void *nswindow; } QCocoaModalSessionInfo; #endif class QEventDispatcherMacPrivate; class QEventDispatcherMac : public QAbstractEventDispatcher { Q_OBJECT Q_DECLARE_PRIVATE(QEventDispatcherMac) public: explicit QEventDispatcherMac(QObject *parent = 0); ~QEventDispatcherMac(); bool processEvents(QEventLoop::ProcessEventsFlags flags); bool hasPendingEvents(); void registerSocketNotifier(QSocketNotifier *notifier); void unregisterSocketNotifier(QSocketNotifier *notifier); void registerTimer(int timerId, int interval, QObject *object); bool unregisterTimer(int timerId); bool unregisterTimers(QObject *object); QList registeredTimers(QObject *object) const; void wakeUp(); void flush(); void interrupt(); private: friend void qt_mac_select_timer_callbk(__EventLoopTimer*, void*); friend class QApplicationPrivate; }; struct MacTimerInfo { int id; int interval; QObject *obj; bool pending; CFRunLoopTimerRef runLoopTimer; bool operator==(const MacTimerInfo &other) { return (id == other.id); } }; typedef QHash MacTimerHash; struct MacSocketInfo { MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0) {} CFSocketRef socket; CFRunLoopSourceRef runloop; QObject *readNotifier; QObject *writeNotifier; }; typedef QHash MacSocketHash; class QEventDispatcherMacPrivate : public QAbstractEventDispatcherPrivate { Q_DECLARE_PUBLIC(QEventDispatcherMac) public: QEventDispatcherMacPrivate(); static MacTimerHash macTimerHash; // Set 'blockSendPostedEvents' to true if you _really_ need // to make sure that qt events are not posted while calling // low-level cocoa functions (like beginModalForWindow). And // use a QBoolBlocker to be safe: static bool blockSendPostedEvents; #ifdef QT_MAC_USE_COCOA // The following variables help organizing modal sessions: static QStack cocoaModalSessionStack; static bool currentExecIsNSAppRun; static bool nsAppRunCalledByQt; static bool cleanupModalSessionsNeeded; static NSModalSession currentModalSessionCached; static NSModalSession currentModalSession(); static void updateChildrenWorksWhenModal(); static void temporarilyStopAllModalSessions(); static void beginModalSession(QWidget *widget); static void endModalSession(QWidget *widget); static void cancelWaitForMoreEvents(); static void cleanupModalSessions(); static void ensureNSAppInitialized(); #endif MacSocketHash macSockets; QList queuedUserInputEvents; // List of EventRef in Carbon, and NSEvent * in Cocoa CFRunLoopSourceRef postedEventsSource; CFRunLoopObserverRef waitingObserver; CFRunLoopObserverRef firstTimeObserver; QAtomicInt serialNumber; int lastSerial; static bool interrupt; private: static Boolean postedEventSourceEqualCallback(const void *info1, const void *info2); static void postedEventsSourcePerformCallback(void *info); static void activateTimer(CFRunLoopTimerRef, void *info); static void waitingObserverCallback(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info); static void firstLoopEntry(CFRunLoopObserverRef ref, CFRunLoopActivity activity, void *info); }; #ifdef QT_MAC_USE_COCOA class QtMacInterruptDispatcherHelp : public QObject { static QtMacInterruptDispatcherHelp *instance; bool cancelled; QtMacInterruptDispatcherHelp(); ~QtMacInterruptDispatcherHelp(); public: static void interruptLater(); static void cancelInterruptLater(); }; #endif QT_END_NAMESPACE #endif // QEVENTDISPATCHER_MAC_P_H