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39
40#ifndef QTREEWIDGETITEMITERATOR_P_H
41#define QTREEWIDGETITEMITERATOR_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/qstack.h>
55
56#include "qtreewidgetitemiterator.h"
57#if QT_CONFIG(treewidget)
58
59QT_BEGIN_NAMESPACE
60
61class QTreeModel;
62class QTreeWidgetItem;
63
64class QTreeWidgetItemIteratorPrivate {
65 Q_DECLARE_PUBLIC(QTreeWidgetItemIterator)
66public:
67 QTreeWidgetItemIteratorPrivate(QTreeWidgetItemIterator *q, QTreeModel *model)
68 : m_currentIndex(0), m_model(model), q_ptr(q)
69 {
70
71 }
72
73 QTreeWidgetItemIteratorPrivate(const QTreeWidgetItemIteratorPrivate& other)
74 : m_currentIndex(other.m_currentIndex), m_model(other.m_model),
75 m_parentIndex(other.m_parentIndex), q_ptr(other.q_ptr)
76 {
77
78 }
79
80 QTreeWidgetItemIteratorPrivate &operator=(const QTreeWidgetItemIteratorPrivate& other)
81 {
82 m_currentIndex = other.m_currentIndex;
83 m_parentIndex = other.m_parentIndex;
84 m_model = other.m_model;
85 return (*this);
86 }
87
88 ~QTreeWidgetItemIteratorPrivate()
89 {
90 }
91
92 QTreeWidgetItem* nextSibling(const QTreeWidgetItem* item) const;
93 void ensureValidIterator(const QTreeWidgetItem *itemToBeRemoved);
94
95 QTreeWidgetItem *next(const QTreeWidgetItem *current);
96 QTreeWidgetItem *previous(const QTreeWidgetItem *current);
97private:
98 int m_currentIndex;
99 QTreeModel *m_model; // This iterator class should not have ownership of the model.
100 QStack<int> m_parentIndex;
101 QTreeWidgetItemIterator *q_ptr;
102};
103
104QT_END_NAMESPACE
105
106#endif // QT_CONFIG(treewidget)
107
108#endif //QTREEWIDGETITEMITERATOR_P_H
109

source code of qtbase/src/widgets/itemviews/qtreewidgetitemiterator_p.h