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/*
* This file is part of the KDE libraries
* Copyright (C) 2001 Thiago Macieira <thiago.macieira@kdemail.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef KASYNCIO_H
#define KASYNCIO_H
#include <tqobject.h>
#include <tqiodevice.h>
#include "tdelibs_export.h"
#ifdef Q_MOC_RUN
#define USE_QT4
#endif // Q_MOC_RUN
class KAsyncIOPrivate;
/**
* Asynchronous I/O Support
*
* This abstract class provides basic functionality for asynchronous I/O
* support on top of TQIODevice.
*
* @author Thiago Macieira <thiago.macieira@kdemail.net>
* @short Asynchronous I/O support
*/
class TDECORE_EXPORT KAsyncIO:
#ifdef USE_QT4
#else // USE_QT4
public TQObject,
#endif // USE_QT4
public TQIODevice
{
TQ_OBJECT
protected:
KAsyncIO() // cannot be accessed externally
{ }
private:
KAsyncIO(KAsyncIO&);
KAsyncIO& operator=(KAsyncIO&);
public:
/**
* Toggles the emission of the readyRead() signal whenever the device
* is ready for reading. This is useful if you want to know the first time
* the device is ready for reading and you don't want to read it now.
* @param enable true to enable, false to disable the readyRead() signal
*/
virtual void enableRead(bool enable) = 0;
/**
* Toggles the emission of the readyWrite() signal whenever the device
* is ready for writing. This is useful if you want to know the first time
* the device is ready for writing and you don't want to write to it now.
* @param enable true to enable, false to disable the readyWrite() signal
*/
virtual void enableWrite(bool enable) = 0;
signals:
/**
* This signal gets sent when the device is ready for reading.
*/
void readyRead();
/**
* This signal gets sent when the device is ready for writing.
*/
void readyWrite();
protected:
/** \internal */
virtual void virtual_hook( int id, void* data );
private:
KAsyncIOPrivate* d;
};
#endif // KASYNCIO_H
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