Home | All Classes | Main Classes | Annotated | Grouped Classes | Functions

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


Copyright © 2004 Trolltech Trademarks
Qt 4.0.0-b1