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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
**
** GNU General Public License Usage
** Alternatively, 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 file LICENSE.GPL included in
** the packaging of this file.  Please review the following information
** to ensure GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
**
** Qt for Windows(R) Licensees
** As a special exception, Nokia, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/

#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