- <option id="stationary" _label="Stationary Rectangles"/>
- <option id="move" _label="Wandering Rectangles" arg-set="-mode move"/>
- <option id="sweep" _label="Sweeping Arcs" arg-set="-mode sweep"/>
+ <option id="random" _label="Random"/>
+ <option id="stationary" _label="Stationary rectangles" arg-set="-mode stationary"/>
+ <option id="move" _label="Wandering rectangles" arg-set="-mode move"/>
+ <option id="sweep" _label="Sweeping arcs" arg-set="-mode sweep"/>
+ <option id="circle" _label="Rotating discs" arg-set="-mode circle"/>