A tile representing a menu item
initialize
arrowAction:
Do what is appropriate when an arrow on the tile is pressed; delta will be +1 or -1
handlerForMouseDown:
Don't give anybody over me a chance
handlesMouseDown:
Answer whether the receiver would handle the mouseDown represented by evt
mouseDown:
The mouse went down on the receiver; take appropriate action
mouseDownPriority
Return the default mouse down priority for the receiver
resultType
Answer the result type of the receiver