Qt 4.0: dialog.cpp Example File (network/threadedfortuneserver/dialog.cpp)

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# dialog.cpp Example File
network/threadedfortuneserver/dialog.cpp

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        ** This file is part of the documentation of the Qt Toolkit.
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        #include <QtGui>
        #include <QtNetwork>

        #include <stdlib.h>

        #include "dialog.h"
        #include "fortuneserver.h"

        Dialog::Dialog(QWidget *parent)
            : QDialog(parent)
        {
            statusLabel = new QLabel;
            quitButton = new QPushButton(tr("Quit"));
            quitButton->setAutoDefault(false);

            if (!server.listen()) {
                QMessageBox::critical(this, tr("Threaded Fortune Server"),
                                      tr("Unable to start the server: %1.")
                                      .arg(server.errorString()));
                close();
                return;
            }

            statusLabel->setText(tr("The server is running on port %1.\n"
                                    "Run the Fortune Client example now.")
                                 .arg(server.serverPort()));

            connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));

            QHBoxLayout *buttonLayout = new QHBoxLayout;
            buttonLayout->addStretch(1);
            buttonLayout->addWidget(quitButton);

            QVBoxLayout *mainLayout = new QVBoxLayout;
            mainLayout->addWidget(statusLabel);
            mainLayout->addLayout(buttonLayout);
            setLayout(mainLayout);

            setWindowTitle(tr("Threaded Fortune Server"));
        }