From: Yuri Khan <yuri.v.khan@gmail.com>
To: Dmitry Alexandrov <dag@gnui.org>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>,
Alan Davis <alan3davis@gmail.com>
Subject: Re: N-key rollover keyboards
Date: Wed, 5 Aug 2020 01:47:41 +0700 [thread overview]
Message-ID: <CAP_d_8WTGpDoxoA0U4FQZ78i-Mn13Y9L+BO_o3EzHgu+kwq1DA@mail.gmail.com> (raw)
In-Reply-To: <pn86cnhr.dag@gnui.org>
On Wed, 5 Aug 2020 at 00:46, Dmitry Alexandrov <dag@gnui.org> wrote:
>
> Yuri Khan <yuri.v.khan@gmail.com> wrote:
> > Of course there is an interaction. You have a stack of software, all listening for keystrokes. They will have a chance to handle them in roughly this order:
> >
> > 1. your kernel (typically handles Ctrl+Alt+F1..F10 to switch TTYs)
>
> Is that really the case?
>
> — M-! xkbcomp $DISPLAY -
> — remove XF86Switch_VT_1 from key <FK01>
> — M-| xkbcomp - $DISPLAY
> → and Ctrl-Alt-F1 does not work anymore for me.
Good catch. Things in parentheses are just examples though; my point
is that there is a hierarchy of layers and each higher layer may
choose to intercept and handle certain keystrokes before they ever
reach the lower ones. When debugging an “I press a key and do not get
the expected effect” issue, it helps to understand exactly on which
layer you expect an effect, and which layers above might have a say.
next prev parent reply other threads:[~2020-08-04 18:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-02 10:59 issue with keyboard input for multiple keys Ctrl-b / nkey rollover? Alan Davis
2020-08-02 11:45 ` 2QdxY4RzWzUUiLuE
2020-08-02 16:55 ` Alan Davis
2020-08-02 13:50 ` Yuri Khan
2020-08-02 15:02 ` Perry Smith
2020-08-02 16:49 ` Alan Davis
2020-08-02 17:04 ` N-key rollover keyboards (was: issue with keyboard input for multiple keys Ctrl-b / nkey rollover?) Dmitry Alexandrov
2020-08-02 17:47 ` Alan Davis
2020-08-03 18:17 ` N-key rollover keyboards Dmitry Alexandrov
2020-08-03 21:48 ` Alan Davis
2020-08-03 22:11 ` 2QdxY4RzWzUUiLuE
2020-08-04 10:07 ` Alan Davis
2020-08-04 11:29 ` Yuri Khan
2020-08-04 17:46 ` Dmitry Alexandrov
2020-08-04 18:47 ` Yuri Khan [this message]
2020-08-04 17:25 ` Dmitry Alexandrov
2020-08-05 3:12 ` 2QdxY4RzWzUUiLuE
2020-08-04 17:22 ` Dmitry Alexandrov
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