103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
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** of its contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*
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delegate.cpp
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A delegate that allows the user to change integer values from the model
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using a spin box widget.
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*/
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#include "delegate.h"
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#include <QSpinBox>
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//! [0]
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SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
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: QStyledItemDelegate(parent)
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{
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}
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//! [0]
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//! [1]
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QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
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const QStyleOptionViewItem &/* option */,
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const QModelIndex &/* index */) const
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{
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QSpinBox *editor = new QSpinBox(parent);
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editor->setFrame(false);
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editor->setMinimum(0);
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editor->setMaximum(100);
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return editor;
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}
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//! [1]
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//! [2]
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void SpinBoxDelegate::setEditorData(QWidget *editor,
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const QModelIndex &index) const
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{
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int value = index.model()->data(index, Qt::EditRole).toInt();
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QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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spinBox->setValue(value);
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}
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//! [2]
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//! [3]
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void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
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const QModelIndex &index) const
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{
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QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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spinBox->interpretText();
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int value = spinBox->value();
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model->setData(index, value, Qt::EditRole);
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}
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//! [3]
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//! [4]
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void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
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const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
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{
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editor->setGeometry(option.rect);
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}
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//! [4]
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