qt5base-lts/examples/widgets/animation/easing/window.h

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#include <QtWidgets>

#include "ui_form.h"
#include "animation.h"

class PixmapItem : public QObject, public QGraphicsPixmapItem
{
    Q_OBJECT
    Q_PROPERTY(QPointF pos READ pos WRITE setPos)
public:
    PixmapItem(const QPixmap &pix) : QGraphicsPixmapItem(pix)
    {
    }
};

class Window : public QWidget {
    Q_OBJECT
public:
    Window(QWidget *parent = 0);
private slots:
    void curveChanged(int row);
    void pathChanged(int index);
    void periodChanged(double);
    void amplitudeChanged(double);
    void overshootChanged(double);

private:
    void createCurveIcons();
    void startAnimation();

    Ui::Form m_ui;
    QGraphicsScene m_scene;
    PixmapItem *m_item;
    Animation *m_anim;
    QSize m_iconSize;
};