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/****************************************************************************
**
** Declaration of TQEventLoop class
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the kernel module of the TQt GUI Toolkit.
**
** 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 files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQEVENTLOOP_H
#define TQEVENTLOOP_H
#ifndef QT_H
#include "ntqobject.h"
#include "ntqsocketnotifier.h"
#endif // QT_H
class TQEventLoopPrivate;
class TQSocketNotifier;
class TQTimer;
#ifdef Q_WS_MAC
struct timeval; //stdc struct
struct TimerInfo; //internal structure (qeventloop_mac.cpp)
#endif
#if defined(QT_THREAD_SUPPORT)
class TQMutex;
#endif // QT_THREAD_SUPPORT
class Q_EXPORT TQEventLoop : public TQObject
{
TQ_OBJECT
public:
TQEventLoop( TQObject *parent = 0, const char *name = 0 );
~TQEventLoop();
enum ProcessEvents {
AllEvents = 0x00,
ExcludeUserInput = 0x01,
ExcludeSocketNotifiers = 0x02,
WaitForMore = 0x04
};
typedef uint ProcessEventsFlags;
void processEvents( ProcessEventsFlags flags, int maxtime );
virtual bool processEvents( ProcessEventsFlags flags );
virtual bool hasPendingEvents() const;
virtual void registerSocketNotifier( TQSocketNotifier * );
virtual void unregisterSocketNotifier( TQSocketNotifier * );
void setSocketNotifierPending( TQSocketNotifier * );
int activateSocketNotifiers();
int activateTimers();
int timeToWait() const;
virtual int exec();
virtual void exit( int retcode = 0 );
virtual int enterLoop();
virtual void exitLoop();
virtual int loopLevel() const;
virtual void wakeUp();
signals:
void awake();
void aboutToBlock();
private:
#if defined(Q_WS_MAC)
friend TQMAC_PASCAL void qt_mac_select_timer_callbk(EventLoopTimerRef, void *);
int macHandleSelect(timeval *);
void macHandleTimer(TimerInfo *);
#endif // Q_WS_MAC
// internal initialization/cleanup - implemented in various platform specific files
void init();
void cleanup();
virtual void appStartingUp();
virtual void appClosingDown();
// data for the default implementation - other implementations should not
// use/need this data
TQEventLoopPrivate *d;
friend class TQApplication;
};
#endif // TQEVENTLOOP_H
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