File: dialog.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#include <QtWidgets>
#include <QtNetwork>

#include <stdlib.h>

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

Dialog::Dialog(QWidget *parent)
    : QWidget(parent)
{
    statusLabel = new QLabel;
    statusLabel->setWordWrap(true);
    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;
    }

    QString ipAddress;
    const QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
    // use the first non-localhost IPv4 address

    for (const QHostAddress &entry : ipAddressesList) {
        if (entry != QHostAddress::LocalHost && entry.toIPv4Address()) {
            ipAddress = entry.toString();
            break;
        }
    }
    // if we did not find one, use IPv4 localhost
    if (ipAddress.isEmpty())
        ipAddress = QHostAddress(QHostAddress::LocalHost).toString();
    statusLabel->setText(tr("The server is running on\n\nIP: %1\nport: %2\n\n"
                            "Run the Fortune Client example now.")
                         .arg(ipAddress).arg(server.serverPort()));

    connect(quitButton, &QPushButton::clicked, this, &Dialog::close);

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

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(statusLabel);
    mainLayout->addLayout(buttonLayout);
    setLayout(mainLayout);
    setWindowTitle(tr("Threaded Fortune Server"));
}