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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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>
#include "qtreewidgetitemiterator.h"
#include "private/qglobal_p.h"
#if QT_CONFIG(treewidget)
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_CONFIG(treewidget)
#endif //QTREEWIDGETITEMITERATOR_P_H
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