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diff --git a/examples/dbus/chat/chat.cpp b/examples/dbus/chat/chat.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc and its Subsidiary(-ies) 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include <QMessageBox>
+
+#include "chat.h"
+#include "chat_adaptor.h"
+#include "chat_interface.h"
+
+ChatMainWindow::ChatMainWindow()
+    : m_nickname(QLatin1String("nickname"))
+{
+    setupUi(this);
+    sendButton->setEnabled(false);
+
+    connect(messageLineEdit, SIGNAL(textChanged(QString)),
+            this, SLOT(textChangedSlot(QString)));
+    connect(sendButton, SIGNAL(clicked(bool)), this, SLOT(sendClickedSlot()));
+    connect(actionChangeNickname, SIGNAL(triggered(bool)), this, SLOT(changeNickname()));
+    connect(actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(aboutQt()));
+    connect(qApp, SIGNAL(lastWindowClosed()), this, SLOT(exiting()));
+
+    // add our D-Bus interface and connect to D-Bus
+    new ChatAdaptor(this);
+    QDBusConnection::sessionBus().registerObject("/", this);
+
+    org::example::chat *iface;
+    iface = new org::example::chat(QString(), QString(), QDBusConnection::sessionBus(), this);
+    //connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString)));
+    QDBusConnection::sessionBus().connect(QString(), QString(), "org.example.chat", "message", this, SLOT(messageSlot(QString,QString)));
+    connect(iface, SIGNAL(action(QString,QString)), this, SLOT(actionSlot(QString,QString)));
+
+    NicknameDialog dialog;
+    dialog.cancelButton->setVisible(false);
+    dialog.exec();
+    m_nickname = dialog.nickname->text().trimmed();
+    emit action(m_nickname, QLatin1String("joins the chat"));
+}
+
+ChatMainWindow::~ChatMainWindow()
+{
+}
+
+void ChatMainWindow::rebuildHistory()
+{
+    QString history = m_messages.join( QLatin1String("\n" ) );
+    chatHistory->setPlainText(history);
+}
+
+void ChatMainWindow::messageSlot(const QString &nickname, const QString &text)
+{
+    QString msg( QLatin1String("<%1> %2") );
+    msg = msg.arg(nickname, text);
+    m_messages.append(msg);
+
+    if (m_messages.count() > 100)
+        m_messages.removeFirst();
+    rebuildHistory();
+}
+
+void ChatMainWindow::actionSlot(const QString &nickname, const QString &text)
+{
+    QString msg( QLatin1String("* %1 %2") );
+    msg = msg.arg(nickname, text);
+    m_messages.append(msg);
+
+    if (m_messages.count() > 100)
+        m_messages.removeFirst();
+    rebuildHistory();
+}
+
+void ChatMainWindow::textChangedSlot(const QString &newText)
+{
+    sendButton->setEnabled(!newText.isEmpty());
+}
+
+void ChatMainWindow::sendClickedSlot()
+{
+    //emit message(m_nickname, messageLineEdit->text());
+    QDBusMessage msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
+    msg << m_nickname << messageLineEdit->text();
+    QDBusConnection::sessionBus().send(msg);
+    messageLineEdit->setText(QString());
+}
+
+void ChatMainWindow::changeNickname()
+{
+    NicknameDialog dialog(this);
+    if (dialog.exec() == QDialog::Accepted) {
+        QString old = m_nickname;
+        m_nickname = dialog.nickname->text().trimmed();
+        emit action(old, QString("is now known as %1").arg(m_nickname));
+    }
+}
+
+void ChatMainWindow::aboutQt()
+{
+    QMessageBox::aboutQt(this);
+}
+
+void ChatMainWindow::exiting()
+{
+    emit action(m_nickname, QLatin1String("leaves the chat"));
+}
+
+NicknameDialog::NicknameDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    setupUi(this);
+}
+
+int main(int argc, char **argv)
+{
+    QApplication app(argc, argv);
+
+    if (!QDBusConnection::sessionBus().isConnected()) {
+        qWarning("Cannot connect to the D-Bus session bus.\n"
+                 "Please check your system settings and try again.\n");
+        return 1;
+    }
+
+    ChatMainWindow chat;
+    chat.show();
+    return app.exec();
+}