t10/cannon.h Example File
/****************************************************************
**
** Definition of CannonField class, Qt tutorial 10
**
****************************************************************/
#ifndef CANNON_H
#define CANNON_H
#include <qwidget.h>
class CannonField : public QWidget
{
Q_OBJECT
public:
CannonField( QWidget *parent=0, const char *name=0 );
QSizePolicy sizePolicy() const;
int angle() const { return ang; }
int force() const { return f; }
public slots:
void setAngle( int degrees );
void setForce( int newton );
signals:
void angleChanged( int );
void forceChanged( int );
protected:
void paintEvent( QPaintEvent * );
private:
QRect cannonRect() const;
int ang;
int f;
};
#endif // CANNON_H