/****************************************************************************
**
** 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 demonstration applications 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 CHASEWIDGET_H
#define CHASEWIDGET_H

#include <QtGui/QWidget>

#include <QtCore/QSize>
#include <QtGui/QColor>
#include <QtGui/QPixmap>

QT_BEGIN_NAMESPACE
class QHideEvent;
class QShowEvent;
class QPaintEvent;
class QTimerEvent;
QT_END_NAMESPACE

class ChaseWidget : public QWidget
{
    Q_OBJECT
public:
    ChaseWidget(QWidget *parent = 0, QPixmap pixmap = QPixmap(), bool pixmapEnabled = false);

    void setAnimated(bool value);
    void setPixmapEnabled(bool enable);
    QSize sizeHint() const;

protected:
    void paintEvent(QPaintEvent *event);
    void timerEvent(QTimerEvent *event);

private:
    int segmentCount() const;
    QColor colorForSegment(int segment) const;

    int m_segment;
    int m_delay;
    int m_step;
    int m_timerId;
    bool m_animated;
    QPixmap m_pixmap;
    bool m_pixmapEnabled;
};

#endif
