source: trunk/examples/itemviews/spinboxdelegate/delegate.cpp@ 932

Last change on this file since 932 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

File size: 3.3 KB
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[2]1/****************************************************************************
2**
[846]3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
[561]4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
[2]6**
7** This file is part of the examples of the Qt Toolkit.
8**
[846]9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
[2]11**
[846]12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
[2]25**
[846]26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
[2]37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41/*
42 delegate.cpp
43
44 A delegate that allows the user to change integer values from the model
45 using a spin box widget.
46*/
47
48#include <QtGui>
49
50#include "delegate.h"
51
52
53//! [0]
54SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
55 : QItemDelegate(parent)
56{
57}
58//! [0]
59
60//! [1]
61QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
62 const QStyleOptionViewItem &/* option */,
63 const QModelIndex &/* index */) const
64{
65 QSpinBox *editor = new QSpinBox(parent);
66 editor->setMinimum(0);
67 editor->setMaximum(100);
68
69 return editor;
70}
71//! [1]
72
73//! [2]
74void SpinBoxDelegate::setEditorData(QWidget *editor,
75 const QModelIndex &index) const
76{
77 int value = index.model()->data(index, Qt::EditRole).toInt();
78
79 QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
80 spinBox->setValue(value);
81}
82//! [2]
83
84//! [3]
85void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
86 const QModelIndex &index) const
87{
88 QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
89 spinBox->interpretText();
90 int value = spinBox->value();
91
92 model->setData(index, value, Qt::EditRole);
93}
94//! [3]
95
96//! [4]
97void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
98 const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
99{
100 editor->setGeometry(option.rect);
101}
102//! [4]
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