[PD] Key-repeat makes keyboard-pianokeys impossible?

[Chuckk Hubbard]

OSX actually puts out a key release every time it repeats a key, so
you still get a string of 1 0 1 0 1 0 etc.


On 7/17/06, matthew jones <mj at isvr.soton.ac.uk> wrote:
> Wouldn't it be straightforward to route all the expected ascii numbers to
> seperate [change] objects?  The change can be used to prevent repeated
> numbers going through, so if you clear it with the keyup you can prevent the
> key repeats.  I attached a tiny patch to show this, where the keydown code
> is packed with a nonzero number, and the keyup is packed with zero, so that
> after the route the change object sees only a 1 or 0.
> I'm sure somebody can come up with a nicer way to do this (with an
> abstraction or something)because this way requires you to manually make a
> [change] object for each ascii code required, plus the route needs to be
> edited each time a new key is required....
> good luck,
>
> Matt
>
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> ----- Original Message -----
> From: "Hans-Christoph Steiner" <hans at eds.org>
> To: "Luke Iannini (pd)" <lukexipd at gmail.com>
> Cc: <pd-list at iem.at>
> Sent: Monday, July 17, 2006 5:00 PM
> Subject: Re: [PD] Key-repeat makes keyboard-pianokeys impossible?
>
>
>
> This is a known bug on all platforms, it has to do with the
> implementation of the [key] object.  It would be nice to have it
> fixed to provide a proper key-down and key-up message instead of that
> pulsing.  Any volunteers?
>
> .hc
>
> On Jul 16, 2006, at 11:54 PM, Luke Iannini (pd) wrote:
>
> > Hi all,
> > I am being ushered to sleep so I have little time to explain this in
> > detail, but hopefully that just means you'll all be spared tedious
> > detail that would obfuscate the issue : ).
> >
> > I'm trying to build a simple computer-key piano such as the one in
> > Apple's GarageBand using the [key] object, and I'd like to be able to
> > hold the keys down rather than have single shot.  Key helpfully
> > provides 0/1 notifiers for keydown and keyup - but OS X's built-in
> > key-repeat makes it infinitely retrigger the keypress when held.  The
> > GarageBand keyboard does not do this, so I was hoping someone might
> > have some ideas on getting around this so I don't have to pull out my
> > (rather unportable) midi-controller when I'm patching on the road.
> >
> > Thanks!
> >
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