diff -r 000000000000 -r 1918ee327afb demos/embeddeddialogs/embeddeddialog.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/embeddeddialogs/embeddeddialog.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,106 @@
+/****************************************************************************
+**
+** 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 demonstration applications 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 "embeddeddialog.h"
+#include "ui_embeddeddialog.h"
+
+#include <QtGui>
+
+EmbeddedDialog::EmbeddedDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    ui = new Ui_embeddedDialog;
+    ui->setupUi(this);
+    ui->layoutDirection->setCurrentIndex(layoutDirection() != Qt::LeftToRight);
+
+    foreach (QString styleName, QStyleFactory::keys()) {
+        ui->style->addItem(styleName);
+        if (style()->objectName().toLower() == styleName.toLower())
+            ui->style->setCurrentIndex(ui->style->count() - 1);
+    }
+
+    connect(ui->layoutDirection, SIGNAL(activated(int)),
+            this, SLOT(layoutDirectionChanged(int)));
+    connect(ui->spacing, SIGNAL(valueChanged(int)),
+            this, SLOT(spacingChanged(int)));
+    connect(ui->fontComboBox, SIGNAL(currentFontChanged(const QFont &)),
+            this, SLOT(fontChanged(const QFont &)));
+    connect(ui->style, SIGNAL(activated(QString)),
+            this, SLOT(styleChanged(QString)));
+}
+
+EmbeddedDialog::~EmbeddedDialog()
+{
+    delete ui;
+}
+
+void EmbeddedDialog::layoutDirectionChanged(int index)
+{
+    setLayoutDirection(index == 0 ? Qt::LeftToRight : Qt::RightToLeft);
+}
+
+void EmbeddedDialog::spacingChanged(int spacing)
+{
+    layout()->setSpacing(spacing);
+    adjustSize();
+}
+
+void EmbeddedDialog::fontChanged(const QFont &font)
+{
+    setFont(font);
+}
+
+static void setStyleHelper(QWidget *widget, QStyle *style)
+{
+    widget->setStyle(style);
+    widget->setPalette(style->standardPalette());
+    foreach (QObject *child, widget->children()) {
+        if (QWidget *childWidget = qobject_cast<QWidget *>(child))
+            setStyleHelper(childWidget, style);
+    }
+}
+
+void EmbeddedDialog::styleChanged(const QString &styleName)
+{
+    QStyle *style = QStyleFactory::create(styleName);
+    if (style)
+        setStyleHelper(this, style);
+}