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166 lines
5.0 KiB
166 lines
5.0 KiB
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>ntqasyncio.h</h1>
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<p>This is the verbatim text of the ntqasyncio.h include file. It is provided only for illustration; the copyright remains with Trolltech.
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<hr>
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<pre>
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/****************************************************************************
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** $Id: qt/ntqasyncio.h 3.3.8 edited Jan 11 14:38 $
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**
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** Definition of asynchronous I/O classes
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**
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** Created : 970617
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**
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** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Alternatively you may (at your option) use any
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** later version of the GNU General Public License if such license has
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** been publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQASYNCIO_H
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#define TQASYNCIO_H
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#ifndef QT_H
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#include "ntqobject.h"
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#include "ntqsignal.h"
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#include "ntqtimer.h"
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#endif // QT_H
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#ifndef TQT_NO_ASYNC_IO
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class TQIODevice;
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class TQ_EXPORT TQAsyncIO {
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public:
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virtual ~TQAsyncIO();
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void connect(TQObject*, const char *member);
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protected:
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void ready();
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private:
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TQSignal signal;
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};
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class TQ_EXPORT TQDataSink : public TQAsyncIO {
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public:
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// Call this to know how much I can take.
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virtual int readyToReceive()=0;
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virtual void receive(const uchar*, int count)=0;
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virtual void eof()=0;
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void maybeReady();
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};
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class TQ_EXPORT TQDataSource : public TQAsyncIO {
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public:
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virtual int readyToSend()=0; // returns -1 when never any more ready
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virtual void sendTo(TQDataSink*, int count)=0;
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void maybeReady();
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virtual bool rewindable() const;
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virtual void enableRewind(bool);
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virtual void rewind();
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};
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class TQ_EXPORT TQIODeviceSource : public TQDataSource {
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const int buf_size;
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uchar *buffer;
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TQIODevice* iod;
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bool rew;
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public:
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TQIODeviceSource(TQIODevice*, int bufsize=4096);
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~TQIODeviceSource();
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int readyToSend();
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void sendTo(TQDataSink* sink, int n);
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bool rewindable() const;
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void enableRewind(bool on);
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void rewind();
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};
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class TQ_EXPORT TQDataPump : public TQObject {
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TQ_OBJECT
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int interval;
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TQTimer timer;
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TQDataSource* source;
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TQDataSink* sink;
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public:
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TQDataPump(TQDataSource*, TQDataSink*);
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private slots:
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void kickStart();
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void tryToPump();
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};
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#endif // TQT_NO_ASYNC_IO
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#endif
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</pre>
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<!-- eof -->
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<p><address><hr><div align=center>
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<table width=100% cellspacing=0 border=0><tr>
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<td>Copyright © 2007
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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<td align=right><div align=right>TQt 3.3.8</div>
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</table></div></address></body>
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