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tqtinterface/qtinterface/qt4/Qt/qabstracteventdispatcher.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** 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 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#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