+ <number id="size-x" type="spinbutton" arg="-size-x %"
+ _label="Width" low="3" high="20" default="9"/>
+ <number id="size-y" type="spinbutton" arg="-size-y %"
+ _label="Length" low="3" high="20" default="9"/>
+
+ <number id="delay" type="slider" arg="-delay %"