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diff --git a/examples/designer/containerextension/multipagewidget.cpp b/examples/designer/containerextension/multipagewidget.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Nokia Corporation 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 <QtGui>
+
+#include "multipagewidget.h"
+
+MultiPageWidget::MultiPageWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    comboBox = new QComboBox();
+    comboBox->setObjectName("__qt__passive_comboBox");
+    stackWidget = new QStackedWidget();
+
+    connect(comboBox, SIGNAL(activated(int)),
+            this, SLOT(setCurrentIndex(int)));
+
+    layout = new QVBoxLayout();
+    layout->addWidget(comboBox);
+    layout->addWidget(stackWidget);
+    setLayout(layout);
+}
+
+QSize MultiPageWidget::sizeHint() const
+{
+    return QSize(200, 150);
+}
+
+void MultiPageWidget::addPage(QWidget *page)
+{
+    insertPage(count(), page);
+}
+
+void MultiPageWidget::removePage(int index)
+{
+    QWidget *widget = stackWidget->widget(index);
+    stackWidget->removeWidget(widget);
+
+    comboBox->removeItem(index);
+}
+
+int MultiPageWidget::count() const
+{
+    return stackWidget->count();
+}
+
+int MultiPageWidget::currentIndex() const
+{
+    return stackWidget->currentIndex();
+}
+
+void MultiPageWidget::insertPage(int index, QWidget *page)
+{
+    page->setParent(stackWidget);
+
+    stackWidget->insertWidget(index, page);
+
+    QString title = page->windowTitle();
+    if (title.isEmpty()) {
+        title = tr("Page %1").arg(comboBox->count() + 1);
+        page->setWindowTitle(title);
+    }
+    comboBox->insertItem(index, title);
+}
+
+void MultiPageWidget::setCurrentIndex(int index)
+{
+    if (index != currentIndex()) {
+        stackWidget->setCurrentIndex(index);
+        comboBox->setCurrentIndex(index);
+        emit currentIndexChanged(index);
+    }
+}
+
+QWidget* MultiPageWidget::widget(int index)
+{
+    return stackWidget->widget(index);
+}
+
+QString MultiPageWidget::pageTitle() const
+{
+    if (const QWidget *currentWidget = stackWidget->currentWidget())
+        return currentWidget->windowTitle();
+    return QString();
+}
+
+void MultiPageWidget::setPageTitle(QString const &newTitle)
+{
+    comboBox->setItemText(currentIndex(), newTitle);
+    if (QWidget *currentWidget = stackWidget->currentWidget())
+        currentWidget->setWindowTitle(newTitle);
+    emit pageTitleChanged(newTitle);
+}