/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** GNU Lesser General Public License Usage
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#ifndef DETAILSBUTTON_H
#define DETAILSBUTTON_H

#include <utils/global_exporter.h>

#include <QAbstractButton>
#include <QPixmap>

QT_FORWARD_DECLARE_CLASS(QGraphicsOpacityEffect)

namespace Utils {
class UTILS_EXPORT FadingPanel : public QWidget
{
public:
    FadingPanel(QWidget *parent = 0)
        : QWidget(parent)
    {}
    virtual void fadeTo(qreal value) = 0;
    virtual void setOpacity(qreal value) = 0;
};

class UTILS_EXPORT DetailsButton : public QAbstractButton
{
    Q_OBJECT
    Q_PROPERTY(float fader READ fader WRITE setFader)

public:
    DetailsButton(QWidget *parent = 0);

    QSize sizeHint() const;
    float fader() { return m_fader; }
    void setFader(float value) { m_fader = value; update(); }

protected:
    void paintEvent(QPaintEvent *e);
    bool event(QEvent *e);

private:
    QPixmap cacheRendering(const QSize &size, bool checked);
    QPixmap m_checkedPixmap;
    QPixmap m_uncheckedPixmap;
    float m_fader;
};
} // namespace Utils
#endif // DETAILSBUTTON_H
