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/****************************************************************************
**
** Copyright (C) 2011 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef WHEELWIDGET_H
#define WHEELWIDGET_H
#include <QWidget>
#include <QStringList>
QT_BEGIN_NAMESPACE
class QPainter;
class QRect;
QT_END_NAMESPACE
class AbstractWheelWidget : public QWidget {
Q_OBJECT
public:
AbstractWheelWidget(bool touch, QWidget *parent = 0);
virtual ~AbstractWheelWidget();
int currentIndex() const;
void setCurrentIndex(int index);
bool event(QEvent*);
void paintEvent(QPaintEvent *e);
virtual void paintItem(QPainter* painter, int index, const QRect &rect) = 0;
virtual int itemHeight() const = 0;
virtual int itemCount() const = 0;
public slots:
void scrollTo(int index);
signals:
void stopped(int index);
protected:
int m_currentItem;
int m_itemOffset; // 0-itemHeight()
qreal m_lastY;
};
class StringWheelWidget : public AbstractWheelWidget {
Q_OBJECT
public:
StringWheelWidget(bool touch);
QStringList items() const;
void setItems( const QStringList &items );
QSize sizeHint() const;
QSize minimumSizeHint() const;
void paintItem(QPainter* painter, int index, const QRect &rect);
int itemHeight() const;
int itemCount() const;
private:
QStringList m_items;
};
#endif // WHEELWIDGET_H
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