summaryrefslogtreecommitdiffstats
path: root/src/gui/itemviews/qtreewidgetitemiterator_p.h
blob: 25694120450f5ef95937504b5d4bb10d1cbb0f95 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/****************************************************************************
**
** Copyright (C) 2011 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** 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