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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#ifndef QABSTRACTEVENTDISPATCHER_H
#define QABSTRACTEVENTDISPATCHER_H
#include <QtCore/qobject.h>
#include <QtCore/qeventloop.h>
QT_BEGIN_NAMESPACE
class QAbstractNativeEventFilter;
class QAbstractEventDispatcherPrivate;
class QSocketNotifier;
#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
class QWinEventNotifier;
#endif
class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
public:
struct TimerInfo
{
int timerId;
int interval;
Qt::TimerType timerType;
inline TimerInfo(int id, int i, Qt::TimerType t)
: timerId(id), interval(i), timerType(t)
{ }
};
explicit QAbstractEventDispatcher(QObject *parent = nullptr);
~QAbstractEventDispatcher();
static QAbstractEventDispatcher *instance(QThread *thread = nullptr);
virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;
virtual bool hasPendingEvents() = 0; // ### Qt6: remove, mark final or make protected
virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;
virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;
#if QT_DEPRECATED_SINCE(5,0)
QT_DEPRECATED inline int registerTimer(int interval, QObject *object)
{ return registerTimer(interval, Qt::CoarseTimer, object); }
QT_DEPRECATED inline void registerTimer(int timerId, int interval, QObject *object)
{ registerTimer(timerId, interval, Qt::CoarseTimer, object); }
#endif
// ### Qt6: change interval range to qint64 (or use QDeadlineTimer)
int registerTimer(int interval, Qt::TimerType timerType, QObject *object);
virtual void registerTimer(int timerId, int interval, Qt::TimerType timerType, QObject *object) = 0;
virtual bool unregisterTimer(int timerId) = 0;
virtual bool unregisterTimers(QObject *object) = 0;
virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;
virtual int remainingTime(int timerId) = 0;
#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
virtual bool registerEventNotifier(QWinEventNotifier *notifier) = 0;
virtual void unregisterEventNotifier(QWinEventNotifier *notifier) = 0;
#endif
virtual void wakeUp() = 0;
virtual void interrupt() = 0;
virtual void flush() = 0; // ### Qt6: remove, mark final or make protected
virtual void startingUp();
virtual void closingDown();
void installNativeEventFilter(QAbstractNativeEventFilter *filterObj);
void removeNativeEventFilter(QAbstractNativeEventFilter *filterObj);
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
bool filterNativeEvent(const QByteArray &eventType, void *message, qintptr *result);
#else
bool filterNativeEvent(const QByteArray &eventType, void *message, long *result);
#endif
#if QT_DEPRECATED_SINCE(5, 0)
QT_DEPRECATED bool filterEvent(void *message)
{ return filterNativeEvent("", message, nullptr); }
#endif
Q_SIGNALS:
void aboutToBlock();
void awake();
protected:
QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,
QObject *parent);
};
Q_DECLARE_TYPEINFO(QAbstractEventDispatcher::TimerInfo, (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) ? Q_PRIMITIVE_TYPE : Q_RELOCATABLE_TYPE));
QT_END_NAMESPACE
#endif // QABSTRACTEVENTDISPATCHER_H
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