window.h Example File

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 #include <QtGui>

 #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;

 };