diff -r 000000000000 -r 1918ee327afb examples/dialogs/extension/finddialog.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/dialogs/extension/finddialog.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,113 @@
+/****************************************************************************
+**
+** 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 "finddialog.h"
+
+//! [0]
+FindDialog::FindDialog(QWidget *parent)
+    : QDialog(parent)
+{
+    label = new QLabel(tr("Find &what:"));
+    lineEdit = new QLineEdit;
+    label->setBuddy(lineEdit);
+
+    caseCheckBox = new QCheckBox(tr("Match &case"));
+    fromStartCheckBox = new QCheckBox(tr("Search from &start"));
+    fromStartCheckBox->setChecked(true);
+
+//! [1]
+    findButton = new QPushButton(tr("&Find"));
+    findButton->setDefault(true);
+
+    moreButton = new QPushButton(tr("&More"));
+    moreButton->setCheckable(true);
+//! [0]
+    moreButton->setAutoDefault(false);
+
+    buttonBox = new QDialogButtonBox(Qt::Vertical);
+    buttonBox->addButton(findButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(moreButton, QDialogButtonBox::ActionRole);
+//! [1]
+
+//! [2]
+    extension = new QWidget;
+
+    wholeWordsCheckBox = new QCheckBox(tr("&Whole words"));
+    backwardCheckBox = new QCheckBox(tr("Search &backward"));
+    searchSelectionCheckBox = new QCheckBox(tr("Search se&lection"));
+//! [2]
+
+//! [3]
+    connect(moreButton, SIGNAL(toggled(bool)), extension, SLOT(setVisible(bool)));
+
+    QVBoxLayout *extensionLayout = new QVBoxLayout;
+    extensionLayout->setMargin(0);
+    extensionLayout->addWidget(wholeWordsCheckBox);
+    extensionLayout->addWidget(backwardCheckBox);
+    extensionLayout->addWidget(searchSelectionCheckBox);
+    extension->setLayout(extensionLayout);
+//! [3]
+
+//! [4]
+    QHBoxLayout *topLeftLayout = new QHBoxLayout;
+    topLeftLayout->addWidget(label);
+    topLeftLayout->addWidget(lineEdit);
+
+    QVBoxLayout *leftLayout = new QVBoxLayout;
+    leftLayout->addLayout(topLeftLayout);
+    leftLayout->addWidget(caseCheckBox);
+    leftLayout->addWidget(fromStartCheckBox);
+    leftLayout->addStretch(1);
+
+    QGridLayout *mainLayout = new QGridLayout;
+    mainLayout->setSizeConstraint(QLayout::SetFixedSize);
+    mainLayout->addLayout(leftLayout, 0, 0);
+    mainLayout->addWidget(buttonBox, 0, 1);
+    mainLayout->addWidget(extension, 1, 0, 1, 2);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Extension"));
+//! [4] //! [5]
+    extension->hide();
+}
+//! [5]