source: trunk/examples/itemviews/spinboxdelegate/delegate.cpp@ 266

Last change on this file since 266 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 3.3 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the examples of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42/*
43 delegate.cpp
44
45 A delegate that allows the user to change integer values from the model
46 using a spin box widget.
47*/
48
49#include <QtGui>
50
51#include "delegate.h"
52
53
54//! [0]
55SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
56 : QItemDelegate(parent)
57{
58}
59//! [0]
60
61//! [1]
62QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
63 const QStyleOptionViewItem &/* option */,
64 const QModelIndex &/* index */) const
65{
66 QSpinBox *editor = new QSpinBox(parent);
67 editor->setMinimum(0);
68 editor->setMaximum(100);
69
70 return editor;
71}
72//! [1]
73
74//! [2]
75void SpinBoxDelegate::setEditorData(QWidget *editor,
76 const QModelIndex &index) const
77{
78 int value = index.model()->data(index, Qt::EditRole).toInt();
79
80 QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
81 spinBox->setValue(value);
82}
83//! [2]
84
85//! [3]
86void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
87 const QModelIndex &index) const
88{
89 QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
90 spinBox->interpretText();
91 int value = spinBox->value();
92
93 model->setData(index, value, Qt::EditRole);
94}
95//! [3]
96
97//! [4]
98void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
99 const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
100{
101 editor->setGeometry(option.rect);
102}
103//! [4]
Note: See TracBrowser for help on using the repository browser.