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/****************************************************************
**
** 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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