/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples 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. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ /* delegate.cpp A delegate that allows the user to change integer values from the model using a spin box widget. */ #include #include "delegate.h" //! [0] SpinBoxDelegate::SpinBoxDelegate(QObject *parent) : QItemDelegate(parent) { } //! [0] //! [1] QWidget *SpinBoxDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &/* option */, const QModelIndex &/* index */) const { QSpinBox *editor = new QSpinBox(parent); editor->setMinimum(0); editor->setMaximum(100); return editor; } //! [1] //! [2] void SpinBoxDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const { int value = index.model()->data(index, Qt::EditRole).toInt(); QSpinBox *spinBox = static_cast(editor); spinBox->setValue(value); } //! [2] //! [3] void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const { QSpinBox *spinBox = static_cast(editor); spinBox->interpretText(); int value = spinBox->value(); model->setData(index, value, Qt::EditRole); } //! [3] //! [4] void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &/* index */) const { editor->setGeometry(option.rect); } //! [4]