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
|
/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTITEMDELEGATE_H
#define QABSTRACTITEMDELEGATE_H
#include <QtCore/qobject.h>
#include <QtGui/qstyleoption.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_ITEMVIEWS
class QPainter;
class QModelIndex;
class QAbstractItemModel;
class QAbstractItemView;
class QHelpEvent;
class Q_GUI_EXPORT QAbstractItemDelegate : public QObject
{
Q_OBJECT
public:
enum EndEditHint {
NoHint,
EditNextItem,
EditPreviousItem,
SubmitModelCache,
RevertModelCache
};
explicit QAbstractItemDelegate(QObject *parent = 0);
virtual ~QAbstractItemDelegate();
// painting
virtual void paint(QPainter *painter,
const QStyleOptionViewItem &option,
const QModelIndex &index) const = 0;
virtual QSize sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const = 0;
// editing
virtual QWidget *createEditor(QWidget *parent,
const QStyleOptionViewItem &option,
const QModelIndex &index) const;
virtual void setEditorData(QWidget *editor, const QModelIndex &index) const;
virtual void setModelData(QWidget *editor,
QAbstractItemModel *model,
const QModelIndex &index) const;
virtual void updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option,
const QModelIndex &index) const;
// for non-widget editors
virtual bool editorEvent(QEvent *event,
QAbstractItemModel *model,
const QStyleOptionViewItem &option,
const QModelIndex &index);
static QString elidedText(const QFontMetrics &fontMetrics, int width,
Qt::TextElideMode mode, const QString &text);
public Q_SLOTS:
bool helpEvent(QHelpEvent *event,
QAbstractItemView *view,
const QStyleOptionViewItem &option,
const QModelIndex &index);
Q_SIGNALS:
void commitData(QWidget *editor);
void closeEditor(QWidget *editor, QAbstractItemDelegate::EndEditHint hint = NoHint);
void sizeHintChanged(const QModelIndex &);
protected:
QAbstractItemDelegate(QObjectPrivate &, QObject *parent = 0);
private:
Q_DISABLE_COPY(QAbstractItemDelegate)
};
#endif // QT_NO_ITEMVIEWS
QT_END_NAMESPACE
QT_END_HEADER
#endif // QABSTRACTITEMDELEGATE_H
|
