Qt tutorial - t8/cannon.h

# Source code for tutorial 8: cannon.h

    /****************************************************************
    **
    ** Definition of CannonField class, Qt tutorial 8
    **
    ****************************************************************/

    #ifndef CANNON_H
    #define CANNON_H

    #include <qwidget.h>

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

        int angle() const { return ang; }
    public slots:
        void setAngle( int degrees );
    signals:
        void angleChanged( int );
    protected:
        void paintEvent( QPaintEvent * );
    private:
        int ang;
    };

    #endif // CANNON_H