|    | 
/****************************************************************
**
** Definition of CannonField class, Qt tutorial 12
**
****************************************************************/
#ifndef CANNON_H
#define CANNON_H
class QTimer;
#include <qwidget.h>
class CannonField : public QWidget
{
    Q_OBJECT
public:
    CannonField( QWidget *parent=0, const char *name=0 );
    int   angle() const { return ang; }
    int   force() const { return f; }
    QSizePolicy sizePolicy() const;
public slots:
    void  setAngle( int degrees );
    void  setForce( int newton );
    void  shoot();
    void  newTarget();
private slots:
    void  moveShot();
signals:
    void  hit();
    void  missed();
    void  angleChanged( int );
    void  forceChanged( int );
protected:
    void  paintEvent( QPaintEvent * );
private:
    void  paintShot( QPainter * );
    void  paintTarget( QPainter * );
    void  paintCannon( QPainter * );
    QRect cannonRect() const;
    QRect shotRect() const;
    QRect targetRect() const;
    int ang;
    int f;
    int timerCount;
    QTimer * autoShootTimer;
    float shoot_ang;
    float shoot_f;
    QPoint target;
};
#endif // CANNON_H
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