From: handa <handa@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: emacs-devel@gnu.org
Subject: Re: Tweaking quail input methods
Date: Sun, 12 Mar 2017 00:14:00 +0900 [thread overview]
Message-ID: <87pohnq213.fsf@gnu.org> (raw)
In-Reply-To: <jwvefy71xwp.fsf-monnier+emacs@gnu.org> (message from Stefan Monnier on Wed, 08 Mar 2017 12:36:00 -0500)
In article <jwvefy71xwp.fsf-monnier+emacs@gnu.org>, Stefan Monnier <monnier@IRO.UMontreal.CA> writes:
> Is there a way for the end-user to tweak a quail input method?
> I like to use the TeX input method and could almost live with it being
> always enabled, except for some of its mappings which sometimes get in
> the way. So I'd like to either define a new input method derived from
> TeX, or to tweak the TeX input method.
You can use quail-active-hook to modify a specific input method as
this:
(defun TeX-input-method-tweaked nil)
(defun my-quail-activate-hook ()
(when (and (not TeX-input-method-tweaked)
(string= (quail-name) "TeX"))
;; code for tweaking TeX input method.
;; ...
(setq TeX-input-method-tweaked t)))
(add-hook 'quail-activate-hook 'my-quail-activate-hook)
> The kind of changes I'd like to apply are things like:
> - eliminate all mappings that start with a particular prefix
You can modify the keymap returned by (quail-translation-keymap).
For instance, if you want to disable all mappints starting with "\\",
call this in my-quail-activate-hook:
(define-key (quail-translation-keymap) "\\" 'self-insert-command)
> - add a few mappings
Call something like this in my-quail-activate-hook:
(quail-defrule "\\hline" ["------------------------"])
> - move mapping from prefix <foo> to prefix <bar> (e.g. move all entries
> of the form "_<something>" so they use "\\_<something>" instead).
It is possible but you must modify the internal structure of a Quail map.
For instance, the Quail map of an input method have only these maps:
"a" -> "X"
"ab" -> "Y"
"abc" -> "Z" or "z"
"b" -> "W"
is like the folloinw list:
(nil (?b ["w"]) (?a ["x"] (?b ["y"] (?c ("z" "Z")))))
So, if you want to change the prefix "a" to "A", you must modify the
list to:
(nil (?b ["w"]) (?A ["x"] (?b ["y"] (?c ("z" "Z")))))
And, this works only for such "simple" input method that does not use
dynamic rules (i.e. TRANSLATION of quail-defrule is a cons). It seems
that TeX is "simple" input method.
---
K. Handa
handa@gnu.org
next prev parent reply other threads:[~2017-03-11 15:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-08 17:36 Tweaking quail input methods Stefan Monnier
2017-03-11 15:14 ` handa [this message]
2017-09-24 13:36 ` Greg Minshall
2017-09-30 11:49 ` Eli Zaretskii
2017-10-15 10:42 ` Greg Minshall
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