| /**************************************************************************** |
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| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** GNU General Public License Usage |
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| |
| #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 <QtGui/qwindowdefs.h> |
| #include <QtCore/qhash.h> |
| #include <QtCore/qstack.h> |
| #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<QWidget> 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<TimerInfo> 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<int, MacTimerInfo *> MacTimerHash; |
| |
| struct MacSocketInfo { |
| MacSocketInfo() : socket(0), runloop(0), readNotifier(0), writeNotifier(0) {} |
| CFSocketRef socket; |
| CFRunLoopSourceRef runloop; |
| QObject *readNotifier; |
| QObject *writeNotifier; |
| }; |
| typedef QHash<int, MacSocketInfo *> 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<QCocoaModalSessionInfo> 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<void *> 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 |