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src/qt/include/private/qeventloop_p.h
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00001 /****************************************************************************
00002 ** $Id: qt/qeventloop_p.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QEventLoop class
00005 **
00006 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00007 **
00008 ** This file is part of the kernel module of the Qt GUI Toolkit.
00009 **
00010 ** This file may be distributed and/or modified under the terms of the
00011 ** GNU General Public License version 2 as published by the Free Software
00012 ** Foundation and appearing in the file LICENSE.GPL included in the
00013 ** packaging of this file.
00014 **
00015 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00016 ** licenses for Qt/Embedded may use this file in accordance with the
00017 ** Qt Embedded Commercial License Agreement provided with the Software.
00018 **
00019 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00020 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00021 **
00022 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00023 **   information about Qt Commercial License Agreements.
00024 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00025 **
00026 ** Contact info@trolltech.com if any conditions of this licensing are
00027 ** not clear to you.
00028 **
00029 **********************************************************************/
00030 
00031 #ifndef QEVENTLOOP_P_H
00032 #define QEVENTLOOP_P_H
00033 
00034 //
00035 //  W A R N I N G
00036 //  -------------
00037 //
00038 // This file is not part of the Qt API.  This header file may
00039 // change from version to version without notice, or even be
00040 // removed.
00041 //
00042 // We mean it.
00043 //
00044 //
00045 
00046 #ifndef QT_H
00047 #include "qplatformdefs.h"
00048 #endif // QT_H
00049 
00050 // SCO OpenServer redefines raise -> kill
00051 #if defined(raise)
00052 # undef raise
00053 #endif
00054 
00055 #include "qwindowdefs.h"
00056 
00057 class QSocketNotifier;
00058 #ifdef Q_OS_MAC
00059 class QMacSockNotPrivate;
00060 #endif
00061 
00062 #if defined(Q_OS_UNIX) || defined (Q_WS_WIN)
00063 #include "qptrlist.h"
00064 #endif // Q_OS_UNIX || Q_WS_WIN
00065 
00066 #if defined(Q_OS_UNIX)
00067 struct QSockNot
00068 {
00069     QSocketNotifier *obj;
00070     int fd;
00071     fd_set *queue;
00072 };
00073 
00074 class QSockNotType
00075 {
00076 public:
00077     QSockNotType();
00078     ~QSockNotType();
00079 
00080     QPtrList<QSockNot> *list;
00081     fd_set select_fds;
00082     fd_set enabled_fds;
00083     fd_set pending_fds;
00084 
00085 };
00086 #endif // Q_OS_UNIX
00087 
00088 #if defined(Q_WS_WIN) && !defined(Q_CYGWIN_WIN)
00089 struct QSockNot {
00090     QSocketNotifier *obj;
00091     int fd;
00092 };
00093 #endif // Q_WS_WIN
00094 
00095 class QEventLoopPrivate
00096 {
00097 public:
00098     QEventLoopPrivate()
00099     {
00100         reset();
00101     }
00102 
00103     void reset() {
00104         looplevel = 0;
00105         quitcode = 0;
00106         quitnow = FALSE;
00107         exitloop = FALSE;
00108         shortcut = FALSE;
00109     }
00110 
00111     int looplevel;
00112     int quitcode;
00113     unsigned int quitnow  : 1;
00114     unsigned int exitloop : 1;
00115     unsigned int shortcut : 1;
00116 
00117 #if defined(Q_WS_MAC)
00118     uchar        next_select_timer;
00119     EventLoopTimerRef select_timer;
00120 #endif
00121 
00122 #if defined(Q_WS_X11)
00123     int xfd;
00124 #endif // Q_WS_X11
00125 
00126 #if defined(Q_OS_UNIX)
00127     int thread_pipe[2];
00128 
00129     // pending socket notifiers list
00130     QPtrList<QSockNot> sn_pending_list;
00131     // highest fd for all socket notifiers
00132     int sn_highest;
00133     // 3 socket notifier types - read, write and exception
00134     QSockNotType sn_vec[3];
00135 #endif
00136 
00137 #if defined(Q_WS_WIN) && !defined(Q_CYGWIN_WIN)
00138     // pending socket notifiers list
00139     QPtrList<QSockNot> sn_pending_list;
00140     
00141     // for controlling when to send posted events
00142     unsigned int wakeUps : 1;
00143 #endif // Q_WS_WIN
00144 
00145 };
00146 
00147 #endif // QEVENTLOOP_P_H
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