WristWidget.h

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#ifndef WRISTWIDGET_H
#define WRISTWIDGET_H

#include <QtGui/QGraphicsView>
#include "Line.h"


class WristWidget : public QGraphicsView
 {
     Q_OBJECT

 public:
     WristWidget(QWidget *parent = 0);

public slots:
     void degree(bool value);//if value is true, emit the signal angle in degree,else in radian
     void angleReceived(double value);//set a new value for the wrist angle
     void turnCounterClockwise();//turn the wrist counter clockwise
     void turnClockwise();//turn the wrist clockwise

 protected:
     void timerEvent(QTimerEvent *event);
     void drawBackground(QPainter *painter, const QRectF &rect);
     void scaleView(qreal scaleFactor);//scale the view

 private:
     int timerId;
     double wristAngle;
     bool angle_type;

 signals:
     void angle(double value);//wrist angle in degree or radian depending on the angle_type value
     void angle_rad(float value);//wrist angle in radian


 };



#endif // WRISTWIDGET_H