examples/itemviews/spinboxdelegate/delegate.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/itemviews/spinboxdelegate/delegate.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 <QtGui>
+
+#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<QSpinBox*>(editor);
+    spinBox->setValue(value);
+}
+//! [2]
+
+//! [3]
+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);
+}
+//! [3]
+
+//! [4]
+void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
+    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
+{
+    editor->setGeometry(option.rect);
+}
+//! [4]