Source: kasyncio.h

# Source: kasyncio.h |
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    /*
     *  This file is part of the KDE libraries
     *  Copyright (C) 2001 Thiago Macieira
     *
     *  $Id: kasyncio.h,v 1.5 2002/09/08 14:59:59 tjansen Exp $
     *
     *  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., 59 Temple Place - Suite 330,
     *  Boston, MA 02111-1307, USA.
     */
    #ifndef KASYNCIO_H
    #define KASYNCIO_H

    #include
    #include

    class KAsyncIOPrivate;
    /**
     * Asynchronous I/O Support
     *
     * This abstract class provides basic functionality for asynchronous I/O
     * support on top of @ref QIODevice.
     *
     * @author Thiago Macieira
     * @version $Id: kasyncio.h,v 1.5 2002/09/08 14:59:59 tjansen Exp $
     * @short Asynchronous I/O support
     */
    class KAsyncIO: public QObject, public QIODevice
    {
      Q_OBJECT
    protected:
      KAsyncIO()			// cannot be accessed externally
      { }

    private:
      KAsyncIO(KAsyncIO&);

      KAsyncIO& operator=(KAsyncIO&);

    public:
      /**
       * Toggles the emission of the @ref 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 true to enable, false to disable the @ref readyRead() signal
       */
      virtual void enableRead(bool enable) = 0;

      /**
       * Toggles the emission of the @ref 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 true to enable, false to disable the @ref 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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