--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/network/network-chat/chatdialog.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,145 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "chatdialog.h"
+
+ChatDialog::ChatDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    setupUi(this);
+
+    lineEdit->setFocusPolicy(Qt::StrongFocus);
+    textEdit->setFocusPolicy(Qt::NoFocus);
+    textEdit->setReadOnly(true);
+    listWidget->setFocusPolicy(Qt::NoFocus);
+
+    connect(lineEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
+#ifdef Q_OS_SYMBIAN
+    connect(sendButton, SIGNAL(clicked()), this, SLOT(returnPressed()));
+#endif
+    connect(lineEdit, SIGNAL(returnPressed()), this, SLOT(returnPressed()));
+    connect(&client, SIGNAL(newMessage(const QString &, const QString &)),
+            this, SLOT(appendMessage(const QString &, const QString &)));
+    connect(&client, SIGNAL(newParticipant(const QString &)),
+            this, SLOT(newParticipant(const QString &)));
+    connect(&client, SIGNAL(participantLeft(const QString &)),
+            this, SLOT(participantLeft(const QString &)));
+
+    myNickName = client.nickName();
+    newParticipant(myNickName);
+    tableFormat.setBorder(0);
+    QTimer::singleShot(10 * 1000, this, SLOT(showInformation()));
+}
+
+void ChatDialog::appendMessage(const QString &from, const QString &message)
+{
+    if (from.isEmpty() || message.isEmpty())
+        return;
+
+    QTextCursor cursor(textEdit->textCursor());
+    cursor.movePosition(QTextCursor::End);
+    QTextTable *table = cursor.insertTable(1, 2, tableFormat);
+    table->cellAt(0, 0).firstCursorPosition().insertText("<" + from + "> ");
+    table->cellAt(0, 1).firstCursorPosition().insertText(message);
+    QScrollBar *bar = textEdit->verticalScrollBar();
+    bar->setValue(bar->maximum());
+}
+
+void ChatDialog::returnPressed()
+{
+    QString text = lineEdit->text();
+    if (text.isEmpty())
+        return;
+
+    if (text.startsWith(QChar('/'))) {
+        QColor color = textEdit->textColor();
+        textEdit->setTextColor(Qt::red);
+        textEdit->append(tr("! Unknown command: %1")
+                         .arg(text.left(text.indexOf(' '))));
+        textEdit->setTextColor(color);
+    } else {
+        client.sendMessage(text);
+        appendMessage(myNickName, text);
+    }
+
+    lineEdit->clear();
+}
+
+void ChatDialog::newParticipant(const QString &nick)
+{
+    if (nick.isEmpty())
+        return;
+
+    QColor color = textEdit->textColor();
+    textEdit->setTextColor(Qt::gray);
+    textEdit->append(tr("* %1 has joined").arg(nick));
+    textEdit->setTextColor(color);
+    listWidget->addItem(nick);
+}
+
+void ChatDialog::participantLeft(const QString &nick)
+{
+    if (nick.isEmpty())
+        return;
+
+    QList<QListWidgetItem *> items = listWidget->findItems(nick,
+                                                           Qt::MatchExactly);
+    if (items.isEmpty())
+        return;
+
+    delete items.at(0);
+    QColor color = textEdit->textColor();
+    textEdit->setTextColor(Qt::gray);
+    textEdit->append(tr("* %1 has left").arg(nick));
+    textEdit->setTextColor(color);
+}
+
+void ChatDialog::showInformation()
+{
+    if (listWidget->count() == 1) {
+        QMessageBox::information(this, tr("Chat"),
+                                 tr("Launch several instances of this "
+                                    "program on your local network and "
+                                    "start chatting!"));
+    }
+}