From: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: Emacs-Devel <emacs-devel@gnu.org>
Subject: Re: Qs on key-description, substitute-command-keys
Date: Sat, 15 Oct 2005 07:54:14 -0400 [thread overview]
Message-ID: <878xwvuhwu.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <DNEMKBNJBGPAOPIJOOICGEGICNAA.drew.adams@oracle.com> (Drew Adams's message of "Fri, 14 Oct 2005 15:53:00 -0700")
> Does anyone know how to control which of several bindings for a command is
> displayed by `substitute-command-keys'?
There is no way to get this kind of control. `substitute-command-keys' has
some rules such as "prefer a binding using plain ascii keys" (so it'll
prefer C-x < over C-next, based on the principle that not all terminals have
a `next' key and even fewer have a way to generate a C-next event) and
"prefer a shorter binding".
In Emacs, what we do usually when we need to control which binding to show,
is to define `advertized-foo' as an alias for `foo' and then bind the key we
want shown to `advertized-foo' (and then use \\[advertized-foo] in the
string). I find this to be a bad solution: it interacts very poorly with
things like `remap' or `substitute-key-definition' and C-h f `foo' forgets
to show the main advertized binding (bummer!).
I think we should devise some way to get the desired result without going
through contorsions like `advertized-bla'. I haven't thought very deep
about how to do that, but the first thing that jumps to my mind is to rely
on a `preferred-binding' property (containing a key-sequence) on the command
symbol, or otherwise require the use of a menu-item for the main binding and
then obey a boolean ":preferred-binding" property placed on the menu-item.
Stefan
next prev parent reply other threads:[~2005-10-15 11:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-04 23:55 Qs on key-description, substitute-command-keys Drew Adams
2005-10-05 16:23 ` Kevin Rodgers
2005-10-05 16:39 ` Drew Adams
2005-10-14 22:53 ` Drew Adams
2005-10-15 11:27 ` Juri Linkov
2005-10-15 14:25 ` Drew Adams
2005-10-16 14:40 ` Richard M. Stallman
2005-10-15 11:54 ` Stefan Monnier [this message]
2005-10-15 14:35 ` Drew Adams
2005-10-16 13:07 ` Stefan Monnier
2005-10-16 14:40 ` Richard M. Stallman
2005-10-15 18:00 ` John S. Yates, Jr.
2005-10-16 13:12 ` Stefan Monnier
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