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 Forum index » DIY Hardware and Software » ChucK programming language
Using all (computer) keyboard keys
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WillHS



Joined: Oct 27, 2014
Posts: 4
Location: New Zealand

PostPosted: Mon Oct 27, 2014 7:34 pm    Post subject: Using all (computer) keyboard keys
Subject description: HidMsg.ascii() doesn't differentiate between many keys
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I'm interested in making a ChucK program which responds to key events to assist users' typing.

HidMsg.ascii() returns unique ascii codes for most keys, but for many keys like arrow keys, ctrl, alt, shift, home, end and some others, the ascii code returned is the same (0).

I wasn't able to find documentation for the Hid or HidMsg classes.

Is there any way to differentiate between these keys in ChucK?
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WillHS



Joined: Oct 27, 2014
Posts: 4
Location: New Zealand

PostPosted: Tue Oct 28, 2014 2:59 pm    Post subject: Reply with quote  Mark this post and the followings unread

I've found a way to get unique codes from each (computer) keyboard key: HidMsg.which. This seems to return a unique integer for every key on my keyboard.

But will the mapping from key to code be the same of all (or at least english) keyboards?

I would still also like to see documentation for the classes Hid and HidMsg.
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Antimon



Joined: Jan 18, 2005
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PostPosted: Wed Nov 05, 2014 11:51 pm    Post subject: Reply with quote  Mark this post and the followings unread

My guess is that .which() returns common key codes like you can see in other programming languages. In which case they should be consistent between all keybaords. For common keys, they will probably be the same for different languages too, if the differences in layouts aren't too crazy.
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Antimon



Joined: Jan 18, 2005
Posts: 4086
Location: Sweden
Audio files: 350
G2 patch files: 100

PostPosted: Wed Nov 05, 2014 11:58 pm    Post subject: Reply with quote  Mark this post and the followings unread

Just had a look at my old cli sequencer code, and I use a class called KBHit, and call kb.getchar() on it. I seem to have been able to detect the escape key using this, at least.
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