qasyncio-h.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/include/qasyncio.h:1 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>qasyncio.h Include File</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qasyncio.h</h1><p>This is the verbatim text of the qasyncio.h include file. It is provided only for illustration; the copyright remains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/qasyncio.h 3.0.5 edited Oct 12 2001 $**** Definition of asynchronous I/O classes**** Created : 970617**** Copyright (C) 1992-2000 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.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QASYNCIO_H#define QASYNCIO_H#ifndef QT_H#include "qobject.h"#include "qsignal.h"#include "qtimer.h"#endif // QT_H#ifndef QT_NO_ASYNC_IOclass QIODevice;class Q_EXPORT QAsyncIO {public: virtual ~QAsyncIO(); void connect(QObject*, const char *member);protected: void ready();private: QSignal signal;};class Q_EXPORT QDataSink : public QAsyncIO {public: // Call this to know how much I can take. virtual int readyToReceive()=0; virtual void receive(const uchar*, int count)=0; virtual void eof()=0; void maybeReady();};class Q_EXPORT QDataSource : public QAsyncIO {public: virtual int readyToSend()=0; // returns -1 when never any more ready virtual void sendTo(QDataSink*, int count)=0; void maybeReady(); virtual bool rewindable() const; virtual void enableRewind(bool); virtual void rewind();};class Q_EXPORT QIODeviceSource : public QDataSource { const int buf_size; uchar *buffer; QIODevice* iod; bool rew;public: QIODeviceSource(QIODevice*, int bufsize=4096); ~QIODeviceSource(); int readyToSend(); void sendTo(QDataSink* sink, int n); bool rewindable() const; void enableRewind(bool on); void rewind();};class Q_EXPORT QDataPump : public QObject { Q_OBJECT int interval; QTimer timer; QDataSource* source; QDataSink* sink;public: QDataPump(QDataSource*, QDataSink*);private slots: void kickStart(); void tryToPump();};#endif // QT_NO_ASYNC_IO#endif</pre><!-- eof --><p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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