--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qtreewidgetitemiterator_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** 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 QtGui module 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 QTREEWIDGETITEMITERATOR_P_H
+#define QTREEWIDGETITEMITERATOR_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qstack.h>
+
+#ifndef QT_NO_TREEWIDGET
+#include "qtreewidgetitemiterator.h"
+
+QT_BEGIN_NAMESPACE
+
+class QTreeModel;
+class QTreeWidgetItem;
+
+class QTreeWidgetItemIteratorPrivate {
+    Q_DECLARE_PUBLIC(QTreeWidgetItemIterator)
+public:
+    QTreeWidgetItemIteratorPrivate(QTreeWidgetItemIterator *q, QTreeModel *model)
+        : m_currentIndex(0), m_model(model), q_ptr(q)
+    {
+
+    }
+
+    QTreeWidgetItemIteratorPrivate(const QTreeWidgetItemIteratorPrivate& other)
+        : m_currentIndex(other.m_currentIndex), m_model(other.m_model),
+          m_parentIndex(other.m_parentIndex), q_ptr(other.q_ptr)
+    {
+
+    }
+
+    QTreeWidgetItemIteratorPrivate &operator=(const QTreeWidgetItemIteratorPrivate& other)
+    {
+        m_currentIndex = other.m_currentIndex;
+        m_parentIndex = other.m_parentIndex;
+        m_model = other.m_model;
+        return (*this);
+    }
+
+    ~QTreeWidgetItemIteratorPrivate()
+    {
+    }
+
+    QTreeWidgetItem* nextSibling(const QTreeWidgetItem* item) const;
+    void ensureValidIterator(const QTreeWidgetItem *itemToBeRemoved);
+
+    QTreeWidgetItem *next(const QTreeWidgetItem *current);
+    QTreeWidgetItem *previous(const QTreeWidgetItem *current);
+private:
+    int             m_currentIndex;
+    QTreeModel     *m_model;        // This iterator class should not have ownership of the model.
+    QStack<int>     m_parentIndex;
+    QTreeWidgetItemIterator *q_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_TREEWIDGET
+
+#endif //QTREEWIDGETITEMITERATOR_P_H