public KnobWidget(String l, Patch p, int min, int max, int base,
public KnobWidget(String l, IPatch p, int min, int max, int base,
    public KnobWidget(String l, Patch p, int min, int max, int base,		      ParamModel ofs, SysexSender s) {	super(l, p, min, max, ofs, s);        mBase = base;	createWidgets();        layoutWidgets();    }