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# dialog.h Example File
network/loopback/dialog.h

     /****************************************************************************
     **
     ** Copyright (C) 2004-2007 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License version 2.0 as published by the Free Software Foundation
     ** and appearing in the file LICENSE.GPL included in the packaging of
     ** this file.  Please review the following information to ensure GNU
     ** General Public Licensing requirements will be met:
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     **
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     ** review the following information:
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     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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     #ifndef DIALOG_H
     #define DIALOG_H

     #include <QDialog>
     #include <QTcpServer>
     #include <QTcpSocket>

     class QDialogButtonBox;
     class QLabel;
     class QProgressBar;
     class QPushButton;
     class QTcpServer;
     class QTcpSocket;

     class Dialog : public QDialog
     {
         Q_OBJECT

     public:
         Dialog(QWidget *parent = 0);

     public slots:
         void start();
         void acceptConnection();
         void startTransfer();
         void updateServerProgress();
         void updateClientProgress(qint64 numBytes);
         void displayError(QAbstractSocket::SocketError socketError);

     private:
         QProgressBar *clientProgressBar;
         QProgressBar *serverProgressBar;
         QLabel *clientStatusLabel;
         QLabel *serverStatusLabel;
         QPushButton *startButton;
         QPushButton *quitButton;
         QDialogButtonBox *buttonBox;

         QTcpServer tcpServer;
         QTcpSocket tcpClient;
         QTcpSocket *tcpServerConnection;
         int bytesToWrite;
         int bytesWritten;
         int bytesReceived;
     };

     #endif