{"xpos", true},
{"ypos", true},
{"zpos", true},
+ {"visiblewhen", false},
{"width", true},
{"height", true},
{"color", false}
case ZPOS:
element_->setZValue(intVal);
break;
+ case VISIBLEWHEN:
+ setVisibleWhen(strToVisibleWhen(value));
+ break;
case WIDTH:
width_ = intVal;
break;