qt5base-lts/examples/network/threadedfortuneserver/dialog.cpp
Mårten Nordheim 605eec7b55 Fortune* Example: convert simple for-loop to ranged-for
Ends up shortening the loop, making it easier to read at a glance.

Pick-to: 6.5
Task-number: QTBUG-108875
Change-Id: Ia12a994259b00e9b57f2de48124be9cb38553bf5
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
2023-01-17 16:15:11 +01:00

58 lines
1.8 KiB
C++

// 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"));
}