diff -r 000000000000 -r 1918ee327afb doc/src/snippets/draganddrop/mainwindow.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/draganddrop/mainwindow.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,85 @@
+/****************************************************************************
+**
+** 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 documentation 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 "dragwidget.h"
+#include "mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    QFrame *centralWidget = new QFrame(this);
+
+    QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), centralWidget);
+    mimeTypeCombo = new QComboBox(centralWidget);
+
+    QLabel *dataLabel = new QLabel(tr("Amount of data (bytes):"), centralWidget);
+    dragWidget = new DragWidget(centralWidget);
+
+    connect(dragWidget, SIGNAL(mimeTypes(const QStringList &)),
+            this, SLOT(setMimeTypes(const QStringList &)));
+    connect(dragWidget, SIGNAL(dragResult(const QString &)),
+            this, SLOT(setDragResult(const QString &)));
+
+    QVBoxLayout *mainLayout = new QVBoxLayout(centralWidget);
+    mainLayout->addWidget(mimeTypeLabel);
+    mainLayout->addWidget(mimeTypeCombo);
+    mainLayout->addSpacing(32);
+    mainLayout->addWidget(dataLabel);
+    mainLayout->addWidget(dragWidget);
+
+    statusBar();
+    dragWidget->setData(QString("text/plain"), QByteArray("Hello world"));
+    setCentralWidget(centralWidget);
+    setWindowTitle(tr("Drag and Drop"));
+}
+
+void MainWindow::setDragResult(const QString &actionText)
+{
+    statusBar()->showMessage(actionText);
+}
+
+void MainWindow::setMimeTypes(const QStringList &types)
+{
+    mimeTypeCombo->clear();
+    mimeTypeCombo->addItems(types);
+}