Qt Tutorial - t9/cannon.h

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# Source code for tutorial 9: 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; }
        QSizePolicy sizePolicy() const;

    public slots:
        void setAngle( int degrees );

    signals:
        void angleChanged( int );

    protected:
        void paintEvent( QPaintEvent * );

    private:
        int ang;
    };

    #endif // CANNON_H