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chasewidget.h

/****************************************************************************
**
** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
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** This file is part of the demonstration applications of the Qt Toolkit.
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** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
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#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

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