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# t10/cannon.h Example File

    /****************************************************************
    **
    ** Definition of CannonField class, TQt tutorial 10
    **
    ****************************************************************/

    #ifndef CANNON_H
    #define CANNON_H

    #include <ntqwidget.h>

    class CannonField : public TQWidget
    {
        TQ_OBJECT
    public:
        CannonField( TQWidget *parent=0, const char *name=0 );

        TQSizePolicy 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( TQPaintEvent * );

    private:
        TQRect cannonRect() const;

        int ang;
        int f;
    };

    #endif // CANNON_H