Global hotkeys without modifers (like Youpi key)?

FROM : Greg Hurrell
DATE : Tue Jan 14 05:35:51 2003

I have a background app and I want it to catch function key-presses 
even when it is not in the front.

Has anybody worked out how to be notified of global hot-key events 
WITHOUT modifier keys?

Evidently, the guy who wrote Youpi Keys has:

http://perso.club-internet.fr/phupe/english/YKIndex.html

Specifically I would like to be able to trap for keys like F3, F4, F5 
etc, but the Carbon call I am currently using to do that insists that I 
supply a modifier key such as shift, command, control or option as well.

The call in question is RegisterEventHotKey(). The relevant docs 
(http://developer.apple.com/techpubs/macosx/Carbon/oss/
CarbonEventManager/Carbon_Event_Manager_Ref/Functions/
Miscellaneous2.html#//apple_ref/c/func/RegisterEventHotKey) say:

> There must be a modifier specified, or this function will return 
> paramErr .


Any clues on alternative ways of doing this?

Cheers
Greg
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