Long live Qt!

1 files changed, 123 insertions, 0 deletions

diff --git a/examples/network/fortuneserver/server.cpp b/examples/network/fortuneserver/server.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtNetwork>
+
+#include <stdlib.h>
+
+#include "server.h"
+
+Server::Server(QWidget *parent)
+    : QDialog(parent)
+{
+    statusLabel = new QLabel;
+    quitButton = new QPushButton(tr("Quit"));
+    quitButton->setAutoDefault(false);
+
+//! [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]
+
+    statusLabel->setText(tr("The server is running on port %1.\n"
+                            "Run the Fortune Client example now.")
+                         .arg(tcpServer->serverPort()));
+//! [1]
+
+//! [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]
+
+    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+//! [3]
+    connect(tcpServer, SIGNAL(newConnection()), this, SLOT(sendFortune()));
+//! [3]
+
+    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("Fortune Server"));
+}
+
+//! [4]
+void Server::sendFortune()
+{
+//! [5]
+    QByteArray block;
+    QDataStream out(&block, QIODevice::WriteOnly);
+    out.setVersion(QDataStream::Qt_4_0);
+//! [4] //! [6]
+    out << (quint16)0;
+    out << fortunes.at(qrand() % fortunes.size());
+    out.device()->seek(0);
+    out << (quint16)(block.size() - sizeof(quint16));
+//! [6] //! [7]
+
+    QTcpSocket *clientConnection = tcpServer->nextPendingConnection();
+    connect(clientConnection, SIGNAL(disconnected()),
+            clientConnection, SLOT(deleteLater()));
+//! [7] //! [8]
+
+    clientConnection->write(block);
+    clientConnection->disconnectFromHost();
+//! [5]
+}
+//! [8]