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Diffstat (limited to 'src/gui/guikernel/qeventdispatcher_mac_p.h')
| -rw-r--r-- | src/gui/guikernel/qeventdispatcher_mac_p.h | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/src/gui/guikernel/qeventdispatcher_mac_p.h b/src/gui/guikernel/qeventdispatcher_mac_p.h new file mode 100644 index 0000000000..12fcafbb01 --- /dev/null +++ b/src/gui/guikernel/qeventdispatcher_mac_p.h @@ -0,0 +1,224 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/**************************************************************************** +** +** Copyright (c) 2007-2008, Apple, Inc. +** +** All rights reserved. +** +** Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are met: +** +** * Redistributions of source code must retain the above copyright notice, +** this list of conditions and the following disclaimer. +** +** * Redistributions in binary form must reproduce the above copyright notice, +** this list of conditions and the following disclaimer in the documentation +** and/or other materials provided with the distribution. +** +** * Neither the name of Apple, Inc. nor the names of its contributors +** may be used to endorse or promote products derived from this software +** without specific prior written permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. 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 <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 |