[racket] Keyboard key state

From: Laurent (laurent.orseau at gmail.com)
Date: Sat Oct 13 07:12:04 EDT 2012


Is there a way to get the state map of the keyboard, i.e., to know if some
key is pressed or released, independently of any key-event?
Also, is there a way to know if the num-lock, caps-lock and scroll-lock
states are on or off?

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