On Saturday, February 16, 2002, at 08:10 , Sjoerd Op 't Land wrote:
snip
> AFAIK, the developers of Rev did this, because at the MacOS at least, 
> there
> is quite a big risk of 'missing' the 'keyUp' message sent by to OS due 
> to
> some design fault. Anyway, to prevent you getting a keyDown but no keyUp
> message, they hard-coded the keyUp to the keyDown message on MacOS.
>
> So, fixing may not be the right word, but maybe 'optionalising' 'd be
> better. Something like
snip
> Regards, / Groeten,
> Sjoerd
>
Sjoerd, Where do you get this idea? I have worked with MacOS since 1985, 
principally in Pascal and HyperTalk, and now in Rev, and have never seen 
this "design fault" of which you speak. Nor is there the slightest 
evidence on my system (currently OS X) that Rev has "hard coded the 
keyUp to the keyDown message in MacOS."

Would you and Charles please put the following scripts in a button, then 
press and hold the mouse down, then release it. Only on release should 
you see the Up message. I would be fascinated to know your platform, OS 
versions and more problem history if you see otherwise.

on mouseDown
   put "Down"
end mouseDown

on mouseUp
   put "Up"
end mouseUp

regards
David

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