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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qeventloop.h</h1>
33
34<p>This is the verbatim text of the qeventloop.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38** $Id: qeventloop-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39**
40** Declaration of QEventLoop class
41**
42** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
43**
44** This file is part of the kernel module of the Qt GUI Toolkit.
45**
46** This file may be distributed under the terms of the Q Public License
47** as defined by Trolltech ASA of Norway and appearing in the file
48** LICENSE.QPL included in the packaging of this file.
49**
50** This file may be distributed and/or modified under the terms of the
51** GNU General Public License version 2 as published by the Free Software
52** Foundation and appearing in the file LICENSE.GPL included in the
53** packaging of this file.
54**
55** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
56** licenses may use this file in accordance with the Qt Commercial License
57** Agreement provided with the Software.
58**
59** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
60** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
61**
62** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
63** information about Qt Commercial License Agreements.
64** See http://www.trolltech.com/qpl/ for QPL licensing information.
65** See http://www.trolltech.com/gpl/ for GPL licensing information.
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67** Contact info@trolltech.com if any conditions of this licensing are
68** not clear to you.
69**
70**********************************************************************/
71
72#ifndef QEVENTLOOP_H
73#define QEVENTLOOP_H
74
75#ifndef QT_H
76#include "qobject.h"
77#include "qsocketnotifier.h"
78#endif // QT_H
79
80class QEventLoopPrivate;
81class QSocketNotifier;
82class QTimer;
83#ifdef Q_WS_MAC
84struct timeval; //stdc struct
85struct TimerInfo; //internal structure (qeventloop_mac.cpp)
86#endif
87
88#if defined(QT_THREAD_SUPPORT)
89class QMutex;
90#endif // QT_THREAD_SUPPORT
91
92
93class Q_EXPORT QEventLoop : public QObject
94{
95 Q_OBJECT
96
97public:
98 QEventLoop( QObject *parent = 0, const char *name = 0 );
99 ~QEventLoop();
100
101 enum ProcessEvents {
102 AllEvents = 0x00,
103 ExcludeUserInput = 0x01,
104 ExcludeSocketNotifiers = 0x02,
105 WaitForMore = 0x04
106 };
107 typedef uint ProcessEventsFlags;
108
109 void processEvents( ProcessEventsFlags flags, int maxtime );
110 virtual bool processEvents( ProcessEventsFlags flags );
111
112 virtual bool hasPendingEvents() const;
113
114 virtual void registerSocketNotifier( QSocketNotifier * );
115 virtual void unregisterSocketNotifier( QSocketNotifier * );
116 void setSocketNotifierPending( QSocketNotifier * );
117 int activateSocketNotifiers();
118
119 int activateTimers();
120 int timeToWait() const;
121
122 virtual int exec();
123 virtual void exit( int retcode = 0 );
124
125 virtual int enterLoop();
126 virtual void exitLoop();
127 virtual int loopLevel() const;
128
129 virtual void wakeUp();
130
131signals:
132 void awake();
133 void aboutToBlock();
134
135private:
136#if defined(Q_WS_MAC)
137 friend QMAC_PASCAL void qt_mac_select_timer_callbk(EventLoopTimerRef, void *);
138 int macHandleSelect(timeval *);
139 void macHandleTimer(TimerInfo *);
140#endif // Q_WS_MAC
141
142 // internal initialization/cleanup - implemented in various platform specific files
143 void init();
144 void cleanup();
145 virtual void appStartingUp();
146 virtual void appClosingDown();
147
148 // data for the default implementation - other implementations should not
149 // use/need this data
150 QEventLoopPrivate *d;
151
152 friend class QApplication;
153};
154
155#endif // QEVENTLOOP_H
156</pre>
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160<td>Copyright &copy; 2007
161<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
162<td align=right><div align=right>Qt 3.3.8</div>
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