/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QTREEWIDGETITEMITERATOR_P_H+
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#define QTREEWIDGETITEMITERATOR_P_H+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists purely as an+
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// implementation detail.  This header file may change from version to+
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// version without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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#include <QtCore/qstack.h>+
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+
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#ifndef QT_NO_TREEWIDGET+
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#include "qtreewidgetitemiterator.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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class QTreeModel;+
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class QTreeWidgetItem;+
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+
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class QTreeWidgetItemIteratorPrivate {+
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    Q_DECLARE_PUBLIC(QTreeWidgetItemIterator)+
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public:+
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    QTreeWidgetItemIteratorPrivate(QTreeWidgetItemIterator *q, QTreeModel *model)+
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        : m_currentIndex(0), m_model(model), q_ptr(q)+
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    {+
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+
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    }+
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+
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    QTreeWidgetItemIteratorPrivate(const QTreeWidgetItemIteratorPrivate& other)+
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        : m_currentIndex(other.m_currentIndex), m_model(other.m_model),+
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          m_parentIndex(other.m_parentIndex), q_ptr(other.q_ptr)+
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    {+
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+
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    }+
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+
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    QTreeWidgetItemIteratorPrivate &operator=(const QTreeWidgetItemIteratorPrivate& other)+
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    {+
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        m_currentIndex = other.m_currentIndex;+
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        m_parentIndex = other.m_parentIndex;+
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        m_model = other.m_model;+
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        return (*this);+
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    }+
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+
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    ~QTreeWidgetItemIteratorPrivate()+
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    {+
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    }+
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+
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    QTreeWidgetItem* nextSibling(const QTreeWidgetItem* item) const;+
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    void ensureValidIterator(const QTreeWidgetItem *itemToBeRemoved);+
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+
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    QTreeWidgetItem *next(const QTreeWidgetItem *current);+
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    QTreeWidgetItem *previous(const QTreeWidgetItem *current);+
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private:+
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    int             m_currentIndex;+
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    QTreeModel     *m_model;        // This iterator class should not have ownership of the model.+
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    QStack<int>     m_parentIndex;+
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    QTreeWidgetItemIterator *q_ptr;+
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};+
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+
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QT_END_NAMESPACE+
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+
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#endif // QT_NO_TREEWIDGET+
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+
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#endif //QTREEWIDGETITEMITERATOR_P_H+
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