diff options
Diffstat (limited to 'examples/corelib/ipc/localfortuneserver/server.cpp')
| -rw-r--r-- | examples/corelib/ipc/localfortuneserver/server.cpp | 149 |
1 files changed, 75 insertions, 74 deletions
diff --git a/examples/corelib/ipc/localfortuneserver/server.cpp b/examples/corelib/ipc/localfortuneserver/server.cpp index 9be5ed5051..a602a57f72 100644 --- a/examples/corelib/ipc/localfortuneserver/server.cpp +++ b/examples/corelib/ipc/localfortuneserver/server.cpp @@ -1,76 +1,35 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "server.h" -#include <QtWidgets> -#include <QtNetwork> +#include <QDialogButtonBox> +#include <QGuiApplication> +#include <QHBoxLayout> +#include <QLabel> +#include <QLineEdit> +#include <QLocalSocket> +#include <QMessageBox> +#include <QPushButton> +#include <QRandomGenerator> + +using namespace Qt::StringLiterals; + +static const QString idleStateText = QObject::tr("Press \"Listen\" to start the server"); Server::Server(QWidget *parent) - : QDialog(parent) + : QDialog(parent), + server(new QLocalServer(this)), + hostLineEdit(new QLineEdit(u"fortune"_s)), + statusLabel(new QLabel(idleStateText)), + listenButton(new QPushButton(tr("Listen"))), + stopListeningButton(new QPushButton(tr("Stop Listening"))) { setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); - server = new QLocalServer(this); - if (!server->listen("fortune")) { - QMessageBox::critical(this, tr("Local Fortune Server"), - tr("Unable to start the server: %1.") - .arg(server->errorString())); - close(); - return; - } - - QLabel *statusLabel = new QLabel; statusLabel->setWordWrap(true); - statusLabel->setText(tr("The server is running.\n" - "Run the Local Fortune Client example now.")); + + stopListeningButton->setDisabled(true); fortunes << tr("You've been leading a dog's life. Stay off the furniture.") << tr("You've got to think about tomorrow.") @@ -80,31 +39,73 @@ Server::Server(QWidget *parent) << tr("You cannot kill time without injuring eternity.") << tr("Computers are not intelligent. They only think they are."); + QLabel *hostLabel = new QLabel(tr("Server name:")); + + connect(server, &QLocalServer::newConnection, this, &Server::sendFortune); + connect(hostLineEdit, &QLineEdit::textChanged, this, &Server::toggleListenButton); + connect(listenButton, &QPushButton::clicked, this, &Server::listenToServer); + connect(stopListeningButton, &QPushButton::clicked,this, &Server::stopListening); + QPushButton *quitButton = new QPushButton(tr("Quit")); quitButton->setAutoDefault(false); connect(quitButton, &QPushButton::clicked, this, &Server::close); - connect(server, &QLocalServer::newConnection, this, &Server::sendFortune); - QHBoxLayout *buttonLayout = new QHBoxLayout; - buttonLayout->addStretch(1); - buttonLayout->addWidget(quitButton); - buttonLayout->addStretch(1); + QDialogButtonBox *buttonBox = new QDialogButtonBox; + buttonBox->addButton(listenButton, QDialogButtonBox::ActionRole); + buttonBox->addButton(stopListeningButton, QDialogButtonBox::ActionRole); + buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); - QVBoxLayout *mainLayout = new QVBoxLayout(this); - mainLayout->addWidget(statusLabel); - mainLayout->addLayout(buttonLayout); + QGridLayout *mainLayout = new QGridLayout(this); + mainLayout->addWidget(hostLabel, 0, 0); + mainLayout->addWidget(hostLineEdit, 0, 1); + mainLayout->addWidget(statusLabel, 2, 0, 3, 2); + mainLayout->addWidget(buttonBox, 10, 0, 2, 2); setWindowTitle(QGuiApplication::applicationDisplayName()); + hostLineEdit->setFocus(); +} + +void Server::listenToServer() +{ + name = hostLineEdit->text(); + if (!server->listen(name)) { + QMessageBox::critical(this, tr("Local Fortune Server"), + tr("Unable to start the server: %1.") + .arg(server->errorString())); + name.clear(); + return; + } + statusLabel->setText(tr("The server is running.\n" + "Run the Local Fortune Client example now.")); + toggleListenButton(); +} + +void Server::stopListening() +{ + server->close(); + name.clear(); + statusLabel->setText(idleStateText); + toggleListenButton(); +} + +void Server::toggleListenButton() +{ + if (server->isListening()) { + listenButton->setDisabled(true); + stopListeningButton->setEnabled(true); + } else { + listenButton->setEnabled(!hostLineEdit->text().isEmpty()); + stopListeningButton->setDisabled(true); + } } void Server::sendFortune() { QByteArray block; QDataStream out(&block, QIODevice::WriteOnly); - out.setVersion(QDataStream::Qt_5_10); + out.setVersion(QDataStream::Qt_6_5); const int fortuneIndex = QRandomGenerator::global()->bounded(0, fortunes.size()); const QString &message = fortunes.at(fortuneIndex); - out << quint32(message.size()); out << message; QLocalSocket *clientConnection = server->nextPendingConnection(); |