Long live Qt!

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diff --git a/examples/ipc/localfortuneclient/client.cpp b/examples/ipc/localfortuneclient/client.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 "client.h"
+
+Client::Client(QWidget *parent)
+    : QDialog(parent)
+{
+    hostLabel = new QLabel(tr("&Server name:"));
+    hostLineEdit = new QLineEdit("fortune");
+
+    hostLabel->setBuddy(hostLineEdit);
+
+    statusLabel = new QLabel(tr("This examples requires that you run the "
+                                "Fortune Server example as well."));
+
+    getFortuneButton = new QPushButton(tr("Get Fortune"));
+    getFortuneButton->setDefault(true);
+
+    quitButton = new QPushButton(tr("Quit"));
+
+    buttonBox = new QDialogButtonBox;
+    buttonBox->addButton(getFortuneButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
+
+    socket = new QLocalSocket(this);
+
+    connect(hostLineEdit, SIGNAL(textChanged(const QString &)),
+            this, SLOT(enableGetFortuneButton()));
+    connect(getFortuneButton, SIGNAL(clicked()),
+            this, SLOT(requestNewFortune()));
+    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(socket, SIGNAL(readyRead()), this, SLOT(readFortune()));
+    connect(socket, SIGNAL(error(QLocalSocket::LocalSocketError)),
+            this, SLOT(displayError(QLocalSocket::LocalSocketError)));
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->addWidget(hostLabel, 0, 0);
+    mainLayout->addWidget(hostLineEdit, 0, 1);
+    mainLayout->addWidget(statusLabel, 2, 0, 1, 2);
+    mainLayout->addWidget(buttonBox, 3, 0, 1, 2);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Fortune Client"));
+    hostLineEdit->setFocus();
+}
+
+void Client::requestNewFortune()
+{
+    getFortuneButton->setEnabled(false);
+    blockSize = 0;
+    socket->abort();
+    socket->connectToServer(hostLineEdit->text());
+}
+
+void Client::readFortune()
+{
+    QDataStream in(socket);
+    in.setVersion(QDataStream::Qt_4_0);
+
+    if (blockSize == 0) {
+        if (socket->bytesAvailable() < (int)sizeof(quint16))
+            return;
+        in >> blockSize;
+    }
+
+    if (in.atEnd())
+        return;
+
+    QString nextFortune;
+    in >> nextFortune;
+
+    if (nextFortune == currentFortune) {
+        QTimer::singleShot(0, this, SLOT(requestNewFortune()));
+        return;
+    }
+
+    currentFortune = nextFortune;
+    statusLabel->setText(currentFortune);
+    getFortuneButton->setEnabled(true);
+}
+
+void Client::displayError(QLocalSocket::LocalSocketError socketError)
+{
+    switch (socketError) {
+    case QLocalSocket::ServerNotFoundError:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The host was not found. Please check the "
+                                    "host name and port settings."));
+        break;
+    case QLocalSocket::ConnectionRefusedError:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The connection was refused by the peer. "
+                                    "Make sure the fortune server is running, "
+                                    "and check that the host name and port "
+                                    "settings are correct."));
+        break;
+    case QLocalSocket::PeerClosedError:
+        break;
+    default:
+        QMessageBox::information(this, tr("Fortune Client"),
+                                 tr("The following error occurred: %1.")
+                                 .arg(socket->errorString()));
+    }
+
+    getFortuneButton->setEnabled(true);
+}
+
+void Client::enableGetFortuneButton()
+{
+    getFortuneButton->setEnabled(!hostLineEdit->text().isEmpty());
+}