qabstracteventdispatcher.h
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上传日期:2022-06-22
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- /****************************************************************************
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- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtCore module of the Qt Toolkit.
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- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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
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- #ifndef QABSTRACTEVENTDISPATCHER_H
- #define QABSTRACTEVENTDISPATCHER_H
- #include <QtCore/qobject.h>
- #include <QtCore/qeventloop.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Core)
- class QAbstractEventDispatcherPrivate;
- class QSocketNotifier;
- template <typename T1, typename T2> struct QPair;
- class Q_CORE_EXPORT QAbstractEventDispatcher : public QObject
- {
- Q_OBJECT
- Q_DECLARE_PRIVATE(QAbstractEventDispatcher)
- public:
- typedef QPair<int, int> TimerInfo;
- explicit QAbstractEventDispatcher(QObject *parent = 0);
- ~QAbstractEventDispatcher();
- static QAbstractEventDispatcher *instance(QThread *thread = 0);
- virtual bool processEvents(QEventLoop::ProcessEventsFlags flags) = 0;
- virtual bool hasPendingEvents() = 0;
- virtual void registerSocketNotifier(QSocketNotifier *notifier) = 0;
- virtual void unregisterSocketNotifier(QSocketNotifier *notifier) = 0;
- int registerTimer(int interval, QObject *object);
- virtual void registerTimer(int timerId, int interval, QObject *object) = 0;
- virtual bool unregisterTimer(int timerId) = 0;
- virtual bool unregisterTimers(QObject *object) = 0;
- virtual QList<TimerInfo> registeredTimers(QObject *object) const = 0;
- virtual void wakeUp() = 0;
- virtual void interrupt() = 0;
- virtual void flush() = 0;
- virtual void startingUp();
- virtual void closingDown();
- typedef bool(*EventFilter)(void *message);
- EventFilter setEventFilter(EventFilter filter);
- bool filterEvent(void *message);
- Q_SIGNALS:
- void aboutToBlock();
- void awake();
- protected:
- QAbstractEventDispatcher(QAbstractEventDispatcherPrivate &,
- QObject *parent);
- };
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QABSTRACTEVENTDISPATCHER_H