cannonfield.h Example File
tutorial/t12/cannonfield.h
/****************************************************************
**
** Definition of CannonField class, Qt tutorial 12
**
****************************************************************/
#ifndef CANNON_H
#define CANNON_H
#include <QWidget>
class QTimer;
class CannonField : public QWidget
{
Q_OBJECT
public:
CannonField(QWidget *parent = 0);
int angle() const { return ang; }
int force() const { return f; }
public slots:
void setAngle(int angle);
void setForce(int force);
void shoot();
void newTarget();
private slots:
void moveShot();
signals:
void hit();
void missed();
void angleChanged(int newAngle);
void forceChanged(int newForce);
protected:
void paintEvent(QPaintEvent *event);
private:
void paintShot(QPainter &painter);
void paintTarget(QPainter &painter);
void paintCannon(QPainter &painter);
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