this.modifiers = EventModifier.extend(modifiers);
this.modifiers = modifiers & EventModifier.OLD_MASK; this.modifiersEx = modifiers & EventModifier.NEW_MASK;
  InputEvent(Component source, int id, long when, int modifiers)  {    super(source, id);    this.when = when;    this.modifiers = EventModifier.extend(modifiers);  }