|  | Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# delegate.cpp Example File
itemviews/spinboxdelegate/delegate.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License versions 2.0 or 3.0 as published by the Free Software
     ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
     ** included in the packaging of this file.  Alternatively you may (at
     ** your option) use any later version of the GNU General Public
     ** License if such license has been publicly approved by Trolltech ASA
     ** (or its successors, if any) and the KDE Free Qt Foundation.
     **
     ** Please review the following information to ensure GNU General
     ** Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
     ** you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech, as the sole
     ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
     ** Integration plug-in the right for the Qt/Eclipse Integration to
     ** link to functionality provided by Qt Designer and its related
     ** libraries.
     **
     ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
     ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
     ** granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     /*
         delegate.cpp

         A delegate that allows the user to change integer values from the model
         using a spin box widget.
     */

     #include <QtGui>

     #include "delegate.h"

     SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
         : QItemDelegate(parent)
     {
     }

     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;
     }

     void SpinBoxDelegate::setEditorData(QWidget *editor,
                                         const QModelIndex &index) const
     {
         int value = index.model()->data(index, Qt::EditRole).toInt();

         QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
         spinBox->setValue(value);
     }

     void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
                                        const QModelIndex &index) const
     {
         QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
         spinBox->interpretText();
         int value = spinBox->value();

         model->setData(index, value, Qt::EditRole);
     }

     void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
         const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
     {
         editor->setGeometry(option.rect);
     }