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

        /****************************************************************************
        **
        ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the documentation 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:
        ** http://www.trolltech.com/products/qt/opensource.html
        **
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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 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;

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

        #endif