opacityhelper.h

#ifndef OPACITYHELPER_H
#define OPACITYHELPER_H

#include <QWidget>

QT_BEGIN_NAMESPACE
class QGraphicsOpacityEffect;
class QPropertyAnimation;
QT_END_NAMESPACE


class OpacityHelper : QObject
{
public:
    OpacityHelper(QWidget *parent);

    void setOpacity(qreal opacity, bool animated = true);

protected:
    QGraphicsOpacityEffect *m_opacityFx;
    QPropertyAnimation     *m_opacityAnimation;

};

#endif // OPACITYHELPER_H