linux-kernel - Re: Re (hello?): [PATCH] Let keyboard notifiers modify key codes

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Message-ID: <20090115074044.GA1599@ucw.cz>
Date:	Thu, 15 Jan 2009 08:40:44 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Samuel Thibault <samuel.thibault@...-lyon.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	dmitry.torokhov@...il.com, linux-input@...r.kernel.org
Subject: Re: Re (hello?): [PATCH] Let keyboard notifiers modify key codes

On Fri 2009-01-09 22:43:57, Samuel Thibault wrote:
> Alan Cox, le Fri 09 Jan 2009 21:35:55 +0000, a écrit :
> > Samuel Thibault <samuel.thibault@...-lyon.org> wrote:
> > 
> > > Came somebody have a look at this?  The need is real, the only question
> > > that comes to my mind is whether notifiers are allowed to modify the
> > > param they are given.  Since they are not marked const, I'd guess it'd
> > > be ok?
> > 
> > The notifier code doesn't care.
> 
> I know, but I'm asking about current practice.
> 
> > > Make kbd_keycode() read param.value after calling the keyboard notification
> > > chain, to let the callee change the translation on the fly. This for instance
> > > permits to remap the physical positions of the keys independently of the
> > > configured keymap, for e.g. single-handed people.
> > 
> > Surely that is just a new keymap ?
> 
> No. That would mean a lot of keymapSSS. Doing it the keymap way
> would require to have us, us-revert-left, us-revert-right, en-uk,
> uk-revert-left, uk-revert-right, etc. I really don't like that approach,
> thus the "independently of the configured keymap".

...and that is ok if you autogenerate those keymaps, right?
									Pavel
-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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