Polling the mouse

J. Scott Saults saultsj at missouri.edu
Thu Feb 21 16:35:01 EST 2002

Thu, 21 Feb 2002 12:58:57 -0700 (MST)
Scott Raney <raney at metacard.com> wrote
>You'd also be subject to the normal behavior of
>async functions (e.g., in HC, "the mouse" returns "down" if the user
>clicked down anytime between when the handler started running and when
>the function is called, whereas an async implementation would only
>return "down" if it was actually down when you made the call).

Just for the sake of accuracy,  in HC & SuperCard , the mouse function does 
NOT necessarily reutun "down"  if the user clicked anytime between when the 
handler started and when the function is called. Both SuperCard and 
HyperCard return the actual state of the mouse, up or down, whenever the 
mouse function is called within a handler, at least under Mac OS 9. Perhaps 
it works differently in OS X.

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