/****************************************************************************
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtCore module of the Qt Toolkit.
**
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** accordance with the commercial license agreement provided with the
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** 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
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****************************************************************************/

#ifndef QEVENTLOOP_H
#define QEVENTLOOP_H

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QEventLoopPrivate;

class Q_CORE_EXPORT QEventLoop : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QEventLoop)

public:
    explicit QEventLoop(QObject *parent = 0);
    ~QEventLoop();

    enum ProcessEventsFlag {
        AllEvents = 0x00,
        ExcludeUserInputEvents = 0x01,
        ExcludeSocketNotifiers = 0x02,
        WaitForMoreEvents = 0x04,
#ifdef QT3_SUPPORT
        ExcludeUserInput = ExcludeUserInputEvents,
        WaitForMore = WaitForMoreEvents,
#endif
	X11ExcludeTimers = 0x08
#ifdef QT_DEPRECATED
	, DeferredDeletion = 0x10
#endif
        , EventLoopExec = 0x20
        , DialogExec = 0x40
    };
    Q_DECLARE_FLAGS(ProcessEventsFlags, ProcessEventsFlag)

    bool processEvents(ProcessEventsFlags flags = AllEvents);
    void processEvents(ProcessEventsFlags flags, int maximumTime);

    int exec(ProcessEventsFlags flags = AllEvents);
    void exit(int returnCode = 0);
    bool isRunning() const;

    void wakeUp();

public Q_SLOTS:
    void quit();
};

Q_DECLARE_OPERATORS_FOR_FLAGS(QEventLoop::ProcessEventsFlags)

QT_END_NAMESPACE

QT_END_HEADER

#endif // QEVENTLOOP_H
