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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QITEMSELECTIONMODEL_H
#define QITEMSELECTIONMODEL_H
#include <QtCore/qset.h>
#include <QtCore/qvector.h>
#include <QtCore/qlist.h>
#include <QtCore/qabstractitemmodel.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_ITEMVIEWS
class Q_GUI_EXPORT QItemSelectionRange
{
public:
inline QItemSelectionRange() {}
inline QItemSelectionRange(const QItemSelectionRange &other)
: tl(other.tl), br(other.br) {}
inline QItemSelectionRange(const QModelIndex &topLeft, const QModelIndex &bottomRight);
explicit inline QItemSelectionRange(const QModelIndex &index)
{ tl = index; br = tl; }
inline int top() const { return tl.row(); }
inline int left() const { return tl.column(); }
inline int bottom() const { return br.row(); }
inline int right() const { return br.column(); }
inline int width() const { return br.column() - tl.column() + 1; }
inline int height() const { return br.row() - tl.row() + 1; }
inline QModelIndex topLeft() const { return QModelIndex(tl); }
inline QModelIndex bottomRight() const { return QModelIndex(br); }
inline QModelIndex parent() const { return tl.parent(); }
inline const QAbstractItemModel *model() const { return tl.model(); }
inline bool contains(const QModelIndex &index) const
{
return (parent() == index.parent()
&& tl.row() <= index.row() && tl.column() <= index.column()
&& br.row() >= index.row() && br.column() >= index.column());
}
inline bool contains(int row, int column, const QModelIndex &parentIndex) const
{
return (parent() == parentIndex
&& tl.row() <= row && tl.column() <= column
&& br.row() >= row && br.column() >= column);
}
bool intersects(const QItemSelectionRange &other) const;
QItemSelectionRange intersect(const QItemSelectionRange &other) const; // ### Qt 5: make QT4_SUPPORT
inline QItemSelectionRange intersected(const QItemSelectionRange &other) const
{ return intersect(other); }
inline bool operator==(const QItemSelectionRange &other) const
{ return (tl == other.tl && br == other.br); }
inline bool operator!=(const QItemSelectionRange &other) const
{ return !operator==(other); }
inline bool isValid() const
{
return (tl.isValid() && br.isValid() && tl.parent() == br.parent()
&& top() <= bottom() && left() <= right());
}
QModelIndexList indexes() const;
private:
QPersistentModelIndex tl, br;
};
Q_DECLARE_TYPEINFO(QItemSelectionRange, Q_MOVABLE_TYPE);
inline QItemSelectionRange::QItemSelectionRange(const QModelIndex &atopLeft,
const QModelIndex &abottomRight)
{ tl = atopLeft; br = abottomRight; }
class QItemSelection;
class QItemSelectionModelPrivate;
class Q_GUI_EXPORT QItemSelectionModel : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QItemSelectionModel)
Q_FLAGS(SelectionFlags)
public:
enum SelectionFlag {
NoUpdate = 0x0000,
Clear = 0x0001,
Select = 0x0002,
Deselect = 0x0004,
Toggle = 0x0008,
Current = 0x0010,
Rows = 0x0020,
Columns = 0x0040,
SelectCurrent = Select | Current,
ToggleCurrent = Toggle | Current,
ClearAndSelect = Clear | Select
};
Q_DECLARE_FLAGS(SelectionFlags, SelectionFlag)
explicit QItemSelectionModel(QAbstractItemModel *model);
explicit QItemSelectionModel(QAbstractItemModel *model, QObject *parent);
virtual ~QItemSelectionModel();
QModelIndex currentIndex() const;
bool isSelected(const QModelIndex &index) const;
bool isRowSelected(int row, const QModelIndex &parent) const;
bool isColumnSelected(int column, const QModelIndex &parent) const;
bool rowIntersectsSelection(int row, const QModelIndex &parent) const;
bool columnIntersectsSelection(int column, const QModelIndex &parent) const;
bool hasSelection() const;
QModelIndexList selectedIndexes() const;
QModelIndexList selectedRows(int column = 0) const;
QModelIndexList selectedColumns(int row = 0) const;
const QItemSelection selection() const;
const QAbstractItemModel *model() const;
public Q_SLOTS:
void setCurrentIndex(const QModelIndex &index, QItemSelectionModel::SelectionFlags command);
virtual void select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command);
virtual void select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command);
virtual void clear();
virtual void reset();
void clearSelection();
Q_SIGNALS:
void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
void currentRowChanged(const QModelIndex ¤t, const QModelIndex &previous);
void currentColumnChanged(const QModelIndex ¤t, const QModelIndex &previous);
protected:
QItemSelectionModel(QItemSelectionModelPrivate &dd, QAbstractItemModel *model);
void emitSelectionChanged(const QItemSelection &newSelection, const QItemSelection &oldSelection);
private:
Q_DISABLE_COPY(QItemSelectionModel)
Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeRemoved(const QModelIndex&, int, int))
Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeInserted(const QModelIndex&, int, int))
Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeInserted(const QModelIndex&, int, int))
Q_PRIVATE_SLOT(d_func(), void _q_layoutAboutToBeChanged())
Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QItemSelectionModel::SelectionFlags)
// dummy implentation of qHash() necessary for instantiating QList<QItemSelectionRange>::toSet() with MSVC
inline uint qHash(const QItemSelectionRange &) { return 0; }
class Q_GUI_EXPORT QItemSelection : public QList<QItemSelectionRange>
{
public:
QItemSelection() {}
QItemSelection(const QModelIndex &topLeft, const QModelIndex &bottomRight);
void select(const QModelIndex &topLeft, const QModelIndex &bottomRight);
bool contains(const QModelIndex &index) const;
QModelIndexList indexes() const;
void merge(const QItemSelection &other, QItemSelectionModel::SelectionFlags command);
static void split(const QItemSelectionRange &range,
const QItemSelectionRange &other,
QItemSelection *result);
};
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QItemSelectionRange &);
#endif
#endif // QT_NO_ITEMVIEWS
QT_END_NAMESPACE
QT_END_HEADER
#endif // QITEMSELECTIONMODEL_H
|
