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This is the verbatim text of the qeventloop.h include file. It is provided only for illustration; the copyright remains with Trolltech.
/****************************************************************************
** $Id: qt/qeventloop.h 3.3.0b1 edited Oct 13 13:07 $
**
** Declaration of QEventLoop class
**
** Copyright (C) 1992-2002 Trolltech AS. All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
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**********************************************************************/
#ifndef QEVENTLOOP_H
#define QEVENTLOOP_H
#ifndef QT_H
#include "qobject.h"
#include "qsocketnotifier.h"
#endif // QT_H
class QEventLoopPrivate;
class QSocketNotifier;
class QTimer;
#ifdef Q_WS_MAC
struct timeval; //stdc struct
struct TimerInfo; //internal structure (qeventloop_mac.cpp)
#endif
#if defined(QT_THREAD_SUPPORT)
class QMutex;
#endif // QT_THREAD_SUPPORT
class Q_EXPORT QEventLoop : public QObject
{
Q_OBJECT
public:
QEventLoop( QObject *parent = 0, const char *name = 0 );
~QEventLoop();
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( QSocketNotifier * );
virtual void unregisterSocketNotifier( QSocketNotifier * );
void setSocketNotifierPending( QSocketNotifier * );
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 QMAC_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
QEventLoopPrivate *d;
friend class QApplication;
};
#endif // QEVENTLOOP_H
| Copyright © 2003 Trolltech | Trademarks | Qt 3.3.0b1
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