/**************************************************************************** | |
** | |
** 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
/**************************************************************************** | |
** | |
** 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 |