mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-23 20:10:48 +08:00
112 lines
4.0 KiB
C++
112 lines
4.0 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#include <QtWidgets>
|
|
#include <QtNetwork>
|
|
#include <QtCore>
|
|
|
|
#include "server.h"
|
|
|
|
Server::Server(QWidget *parent)
|
|
: QDialog(parent)
|
|
, statusLabel(new QLabel)
|
|
{
|
|
statusLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
|
|
|
|
initServer();
|
|
|
|
//! [2]
|
|
fortunes << tr("You've been leading a dog's life. Stay off the furniture.")
|
|
<< tr("You've got to think about tomorrow.")
|
|
<< tr("You will be surprised by a loud noise.")
|
|
<< tr("You will feel hungry again in another hour.")
|
|
<< tr("You might have mail.")
|
|
<< tr("You cannot kill time without injuring eternity.")
|
|
<< tr("Computers are not intelligent. They only think they are.");
|
|
//! [2]
|
|
auto quitButton = new QPushButton(tr("Quit"));
|
|
quitButton->setAutoDefault(false);
|
|
connect(quitButton, &QAbstractButton::clicked, this, &QWidget::close);
|
|
//! [3]
|
|
connect(tcpServer, &QTcpServer::newConnection, this, &Server::sendFortune);
|
|
//! [3]
|
|
|
|
auto buttonLayout = new QHBoxLayout;
|
|
buttonLayout->addStretch(1);
|
|
buttonLayout->addWidget(quitButton);
|
|
buttonLayout->addStretch(1);
|
|
|
|
QVBoxLayout *mainLayout = nullptr;
|
|
if (QGuiApplication::styleHints()->showIsFullScreen() || QGuiApplication::styleHints()->showIsMaximized()) {
|
|
auto outerVerticalLayout = new QVBoxLayout(this);
|
|
outerVerticalLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding));
|
|
auto outerHorizontalLayout = new QHBoxLayout;
|
|
outerHorizontalLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::Ignored));
|
|
auto groupBox = new QGroupBox(QGuiApplication::applicationDisplayName());
|
|
mainLayout = new QVBoxLayout(groupBox);
|
|
outerHorizontalLayout->addWidget(groupBox);
|
|
outerHorizontalLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::Ignored));
|
|
outerVerticalLayout->addLayout(outerHorizontalLayout);
|
|
outerVerticalLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::MinimumExpanding));
|
|
} else {
|
|
mainLayout = new QVBoxLayout(this);
|
|
}
|
|
|
|
mainLayout->addWidget(statusLabel);
|
|
mainLayout->addLayout(buttonLayout);
|
|
|
|
setWindowTitle(QGuiApplication::applicationDisplayName());
|
|
}
|
|
|
|
void Server::initServer()
|
|
{
|
|
//! [0] //! [1]
|
|
tcpServer = new QTcpServer(this);
|
|
if (!tcpServer->listen()) {
|
|
QMessageBox::critical(this, tr("Fortune Server"),
|
|
tr("Unable to start the server: %1.")
|
|
.arg(tcpServer->errorString()));
|
|
close();
|
|
return;
|
|
}
|
|
//! [0]
|
|
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(tcpServer->serverPort()));
|
|
//! [1]
|
|
}
|
|
|
|
//! [4]
|
|
void Server::sendFortune()
|
|
{
|
|
//! [5]
|
|
QByteArray block;
|
|
QDataStream out(&block, QIODevice::WriteOnly);
|
|
out.setVersion(QDataStream::Qt_6_5);
|
|
|
|
out << fortunes[QRandomGenerator::global()->bounded(fortunes.size())];
|
|
//! [4] //! [7]
|
|
|
|
QTcpSocket *clientConnection = tcpServer->nextPendingConnection();
|
|
connect(clientConnection, &QAbstractSocket::disconnected,
|
|
clientConnection, &QObject::deleteLater);
|
|
//! [7] //! [8]
|
|
|
|
clientConnection->write(block);
|
|
clientConnection->disconnectFromHost();
|
|
//! [5]
|
|
}
|
|
//! [8]
|