docs: public void addScreenComponent(Container parent, Converter fieldInfo, JComponent component)
      {
          String strName = fieldInfo.getFieldName();  // Almost always
          if (strName != null)
              component.setName(strName);
          component.addFocusListener(this);
          // todo(don) Note: I never remove this focus listener.
          this.setComponentConstraints(component);
          parent.add(component);
          fieldInfo.addComponent(component);
      }