qt 6.5.1 original

examples/corelib/ipc/localfortuneserver/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.16)
+project(localfortuneserver LANGUAGES CXX)
+
+if(NOT DEFINED INSTALL_EXAMPLESDIR)
+    set(INSTALL_EXAMPLESDIR "examples")
+endif()
+
+set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/corelib/ipc/localfortuneserver")
+
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Network Widgets)
+
+qt_standard_project_setup()
+
+qt_add_executable(localfortuneserver
+    main.cpp
+    server.cpp server.h
+)
+
+set_target_properties(localfortuneserver PROPERTIES
+    WIN32_EXECUTABLE TRUE
+    MACOSX_BUNDLE TRUE
+)
+
+target_link_libraries(localfortuneserver PRIVATE
+    Qt6::Core
+    Qt6::Gui
+    Qt6::Network
+    Qt6::Widgets
+)
+
+install(TARGETS localfortuneserver
+    RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}"
+    BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}"
+    LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}"
+)

examples/corelib/ipc/localfortuneserver/localfortuneserver.pro

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+HEADERS       = server.h
+SOURCES       = server.cpp \
+                main.cpp
+QT           += network widgets
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/corelib/ipc/localfortuneserver
+INSTALLS += target

examples/corelib/ipc/localfortuneserver/main.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include <QApplication>
+
+#include "server.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    QGuiApplication::setApplicationDisplayName(Server::tr("Local Fortune Server"));
+    Server server;
+    server.show();
+    return app.exec();
+}

examples/corelib/ipc/localfortuneserver/server.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#include "server.h"
+
+#include <QtWidgets>
+#include <QtNetwork>
+
+Server::Server(QWidget *parent)
+    : QDialog(parent)
+{
+    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."));
+
+    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.");
+
+    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);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout(this);
+    mainLayout->addWidget(statusLabel);
+    mainLayout->addLayout(buttonLayout);
+
+    setWindowTitle(QGuiApplication::applicationDisplayName());
+}
+
+void Server::sendFortune()
+{
+    QByteArray block;
+    QDataStream out(&block, QIODevice::WriteOnly);
+    out.setVersion(QDataStream::Qt_5_10);
+    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();
+    connect(clientConnection, &QLocalSocket::disconnected,
+            clientConnection, &QLocalSocket::deleteLater);
+
+    clientConnection->write(block);
+    clientConnection->flush();
+    clientConnection->disconnectFromServer();
+}

examples/corelib/ipc/localfortuneserver/server.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+#ifndef SERVER_H
+#define SERVER_H
+
+#include <QDialog>
+
+QT_BEGIN_NAMESPACE
+class QLabel;
+class QPushButton;
+class QLocalServer;
+QT_END_NAMESPACE
+
+class Server : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit Server(QWidget *parent = nullptr);
+
+private slots:
+    void sendFortune();
+
+private:
+    QLocalServer *server;
+    QStringList fortunes;
+};
+
+#endif