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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
/****************************************************************************
**
** 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 <QtCore/qabstracteventdispatcher.h>
#include <QtCore/qstack.h>
#include <QtGui/qwindowdefs.h>
#include <QtCore/private/qabstracteventdispatcher_p.h>
#include <QtCore/private/qcfsocketnotifier_p.h>
#include <QtCore/private/qtimerinfo_unix_p.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qpointer.h>
#include <CoreFoundation/CoreFoundation.h>
Q_FORWARD_DECLARE_OBJC_CLASS(NSWindow);
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(lcEventDispatcher);
typedef struct _NSModalSession *NSModalSession;
typedef struct _QCocoaModalSessionInfo {
QPointer<QWindow> window;
NSModalSession session;
NSWindow *nswindow;
} QCocoaModalSessionInfo;
class QCocoaEventDispatcherPrivate;
class QCocoaEventDispatcher : public QAbstractEventDispatcherV2
{
Q_OBJECT
Q_DECLARE_PRIVATE(QCocoaEventDispatcher)
public:
QCocoaEventDispatcher(QAbstractEventDispatcherPrivate &priv, QObject *parent = nullptr);
explicit QCocoaEventDispatcher(QObject *parent = nullptr);
~QCocoaEventDispatcher();
bool processEvents(QEventLoop::ProcessEventsFlags flags);
void registerSocketNotifier(QSocketNotifier *notifier);
void unregisterSocketNotifier(QSocketNotifier *notifier);
void registerTimer(Qt::TimerId timerId, Duration interval, Qt::TimerType timerType,
QObject *object) final;
bool unregisterTimer(Qt::TimerId timerId) final;
bool unregisterTimers(QObject *object) final;
QList<TimerInfoV2> timersForObject(QObject *object) const final;
Duration remainingTime(Qt::TimerId timerId) const final;
void wakeUp();
void interrupt();
static void clearCurrentThreadCocoaEventDispatcherInterruptFlag();
friend void qt_mac_maybeCancelWaitForMoreEventsForwarder(QAbstractEventDispatcher *eventDispatcher);
};
class QCocoaEventDispatcherPrivate : public QAbstractEventDispatcherPrivate
{
Q_DECLARE_PUBLIC(QCocoaEventDispatcher)
public:
QCocoaEventDispatcherPrivate();
uint processEventsFlags;
// timer handling
QTimerInfoList timerInfoList;
CFRunLoopTimerRef runLoopTimerRef;
CFRunLoopSourceRef activateTimersSourceRef;
void maybeStartCFRunLoopTimer();
void maybeStopCFRunLoopTimer();
static void runLoopTimerCallback(CFRunLoopTimerRef, void *info);
static void activateTimersSourceCallback(void *info);
bool processTimers();
// 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:
bool blockSendPostedEvents;
// The following variables help organizing modal sessions:
QStack<QCocoaModalSessionInfo> cocoaModalSessionStack;
bool currentExecIsNSAppRun;
bool nsAppRunCalledByQt;
bool initializingNSApplication = false;
bool cleanupModalSessionsNeeded;
uint processEventsCalled;
NSModalSession currentModalSessionCached;
NSModalSession currentModalSession();
void temporarilyStopAllModalSessions();
void beginModalSession(QWindow *widget);
void endModalSession(QWindow *widget);
bool hasModalSession() const;
void cleanupModalSessions();
void cancelWaitForMoreEvents();
void maybeCancelWaitForMoreEvents();
void ensureNSAppInitialized();
QCFSocketNotifier cfSocketNotifier;
QList<void *> queuedUserInputEvents; // NSEvent *
CFRunLoopSourceRef postedEventsSource;
CFRunLoopObserverRef waitingObserver;
QAtomicInt serialNumber;
int lastSerial;
bool interrupt;
bool propagateInterrupt = false;
static void postedEventsSourceCallback(void *info);
static void waitingObserverCallback(CFRunLoopObserverRef observer,
CFRunLoopActivity activity, void *info);
bool sendQueuedUserInputEvents();
void processPostedEvents();
};
class QtCocoaInterruptDispatcher : public QObject
{
static QtCocoaInterruptDispatcher *instance;
bool cancelled;
QtCocoaInterruptDispatcher();
~QtCocoaInterruptDispatcher();
public:
static void interruptLater();
static void cancelInterruptLater();
};
QT_END_NAMESPACE
#endif // QEVENTDISPATCHER_MAC_P_H
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