diff -r 000000000000 -r 16d8024aca5e src/hbwidgets/itemviews/hbtreelayout_p.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbwidgets/itemviews/hbtreelayout_p.h	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,66 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbWidgets module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** 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 developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#ifndef HBTREELAYOUT_H
+#define HBTREELAYOUT_H
+
+#include <QGraphicsLayout>
+#include <hbglobal.h>
+
+class HbTreeLayoutPrivate;
+class HbTreeView;
+
+class HB_AUTOTEST_EXPORT HbTreeLayout : public QGraphicsLayout
+{
+public:
+    HbTreeLayout( QGraphicsLayoutItem *parent = 0 );
+    virtual ~HbTreeLayout();
+
+    void addItem(QGraphicsLayoutItem *item, int level);
+    void insertItem(int index, QGraphicsLayoutItem *item, int level);
+    int indexOf(QGraphicsLayoutItem *item) const;
+    void removeItem( QGraphicsLayoutItem *item );
+    void setItemLevel(QGraphicsLayoutItem *item, int level);
+    void setIndentation(qreal indentation);
+    qreal indentation() const;
+
+    qreal smallestItemHeight() const;
+
+public: // From base classes
+
+    virtual int count() const;
+    virtual QGraphicsLayoutItem *itemAt(int i) const;
+    virtual void removeAt(int index);
+
+    virtual void setGeometry( const QRectF &rect );
+    virtual QSizeF sizeHint ( Qt::SizeHint which, const QSizeF &constraint = QSizeF( ) ) const;
+    virtual void invalidate();
+
+private:
+    HbTreeLayoutPrivate *d;
+};
+
+#endif // HBTREELAYOUT_H
+