Qt 4.8
qtreewidgetitemiterator.h
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41 
42 #ifndef QTREEWIDGETITEMITERATOR_H
43 #define QTREEWIDGETITEMITERATOR_H
44 
45 #include <QtCore/qglobal.h>
46 #include <QtCore/qscopedpointer.h>
47 
49 
51 
52 QT_MODULE(Gui)
53 
54 #ifndef QT_NO_TREEWIDGET
55 
56 class QTreeWidget;
57 class QTreeWidgetItem;
58 class QTreeModel;
59 
62 {
63  friend class QTreeModel;
64 
65 public:
66  enum IteratorFlag {
67  All = 0x00000000,
68  Hidden = 0x00000001,
69  NotHidden = 0x00000002,
70  Selected = 0x00000004,
71  Unselected = 0x00000008,
72  Selectable = 0x00000010,
73  NotSelectable = 0x00000020,
74  DragEnabled = 0x00000040,
75  DragDisabled = 0x00000080,
76  DropEnabled = 0x00000100,
77  DropDisabled = 0x00000200,
78  HasChildren = 0x00000400,
79  NoChildren = 0x00000800,
80  Checked = 0x00001000,
81  NotChecked = 0x00002000,
82  Enabled = 0x00004000,
83  Disabled = 0x00008000,
84  Editable = 0x00010000,
85  NotEditable = 0x00020000,
86  UserFlag = 0x01000000 // The first flag that can be used by the user.
87  };
88  Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag)
89 
91  explicit QTreeWidgetItemIterator(QTreeWidget *widget, IteratorFlags flags = All);
92  explicit QTreeWidgetItemIterator(QTreeWidgetItem *item, IteratorFlags flags = All);
94 
96 
97  QTreeWidgetItemIterator &operator++();
98  inline const QTreeWidgetItemIterator operator++(int);
99  inline QTreeWidgetItemIterator &operator+=(int n);
100 
101  QTreeWidgetItemIterator &operator--();
102  inline const QTreeWidgetItemIterator operator--(int);
103  inline QTreeWidgetItemIterator &operator-=(int n);
104 
105  inline QTreeWidgetItem *operator*() const;
106 
107 private:
108  bool matchesFlags(const QTreeWidgetItem *item) const;
111  IteratorFlags flags;
113 };
114 
116 {
117  QTreeWidgetItemIterator it = *this;
118  ++(*this);
119  return it;
120 }
121 
123 {
124  QTreeWidgetItemIterator it = *this;
125  --(*this);
126  return it;
127 }
128 
130 {
131  if (n < 0)
132  return (*this) -= (-n);
133  while (current && n--)
134  ++(*this);
135  return *this;
136 }
137 
139 {
140  if (n < 0)
141  return (*this) += (-n);
142  while (current && n--)
143  --(*this);
144  return *this;
145 }
146 
148 {
149  return current;
150 }
151 
152 Q_DECLARE_OPERATORS_FOR_FLAGS(QTreeWidgetItemIterator::IteratorFlags)
153 
154 
156 #endif // QT_NO_TREEWIDGET
158 
159 #endif // QTREEWIDGETITEMITERATOR_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
QPointer< QWidget > widget
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_DECLARE_FLAGS(Flags, Enum)
The Q_DECLARE_FLAGS() macro expands to.
Definition: qglobal.h:2348
#define it(className, varName)
The QTreeWidget class provides a tree view that uses a predefined tree model.
Definition: qtreewidget.h:260
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
QTreeWidgetItem * item(const QModelIndex &index) const
Returns the tree view item corresponding to the index given.
friend class QTreeWidgetItemIterator
Definition: qtreewidget_p.h:78
QTreeWidgetItemIterator & operator++()
The prefix ++ operator (++it) advances the iterator to the next matching item and returns a reference...
IteratorFlag
These flags can be passed to a QTreeWidgetItemIterator constructor (OR-ed together if more than one i...
QScopedPointer< QTreeWidgetItemIteratorPrivate > d_ptr
The QTreeWidgetItemIterator class provides a way to iterate over the items in a QTreeWidget instance...
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
QTreeWidgetItemIterator & operator-=(int n)
Makes the iterator go backward by n matching items.
#define Q_DECLARE_OPERATORS_FOR_FLAGS(Flags)
The Q_DECLARE_OPERATORS_FOR_FLAGS() macro declares global operator|() functions for Flags...
Definition: qglobal.h:2355
timeval operator*(const timeval &t1, int mul)
Definition: qcore_unix_p.h:140
QTreeWidgetItem * operator*() const
Dereference operator.
The QTreeWidgetItem class provides an item for use with the QTreeWidget convenience class...
Definition: qtreewidget.h:63
QTreeWidgetItemIterator & operator+=(int n)
Makes the iterator go forward by n matching items.
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
QTreeWidgetItemIterator & operator--()
The prefix – operator (–it) advances the iterator to the previous matching item and returns a refer...
timeval & operator+=(timeval &t1, const timeval &t2)
Definition: qcore_unix_p.h:120
Qt::ItemFlags flags(const QModelIndex &index) const
Returns the flags for the item referred to the given index.
#define QT_END_HEADER
Definition: qglobal.h:137