--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/components/propertyeditor/previewframe.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** 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 Qt Designer 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PREVIEWFRAME_H
+#define PREVIEWFRAME_H
+
+#include <QtGui/QFrame>
+#include <QtCore/QPointer>
+
+QT_BEGIN_NAMESPACE
+
+class QMdiArea;
+class QMdiSubWindow;
+
+namespace qdesigner_internal {
+
+class PreviewFrame: public QFrame
+{
+    Q_OBJECT
+public:
+    explicit PreviewFrame(QWidget *parent);
+
+    void setPreviewPalette(const QPalette &palette);
+    void setSubWindowActive(bool active);
+    
+private:
+    // The user can on some platforms close the mdi child by invoking the system menu.
+    // Ensure a child is present.
+    QMdiSubWindow *ensureMdiSubWindow();
+    QMdiArea *m_mdiArea;
+    QPointer<QMdiSubWindow> m_mdiSubWindow;
+};
+
+}  // namespace qdesigner_internal
+
+QT_END_NAMESPACE
+
+#endif