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Print eldoc information interactively (was: Re: major mode for G-Code?)
From: |
Felix Dietrich |
Subject: |
Print eldoc information interactively (was: Re: major mode for G-Code?) |
Date: |
Wed, 06 Apr 2022 04:20:57 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Emanuel Berg via Users list for the GNU Emacs text editor
<help-gnu-emacs@gnu.org> writes:
> Works but ... I wonder if you could get `eldoc-mode' to not be
> based on inactivity and then display (after the timeout) but
> never say anything unless the user hits a key to display
> it ...
Maybe it would be enough to just yank the relevant code out of
‘eldoc-print-current-symbol-info’?
#+begin_src emacs-lisp
(defun my/eldoc-print-current-symbol-info ()
(interactive)
(with-demoted-errors "eldoc error: %s"
(let ((non-essential t))
;; Only keep looking for the info as long as the user hasn't
;; requested our attention. This also locally disables
;; inhibit-quit.
(while-no-input
(eldoc-message (funcall eldoc-documentation-function))))))
#+end_src
You canʼt just make ‘eldoc-print-current-symbol-info’ interactive
because of the (not this-command) test in ‘eldoc-display-message-p’:
#+begin_src emacs-lisp
;; Decide whether now is a good time to display a message.
(defun eldoc-display-message-p ()
"Return non-nil when it is appropriate to display an ElDoc message."
(and (eldoc-display-message-no-interference-p)
;; If this-command is non-nil while running via an idle
;; timer, we're still in the middle of executing a command,
;; e.g. a query-replace where it would be annoying to
;; overwrite the echo area.
(not this-command)
(eldoc--message-command-p last-command)))
#+end_src
--
Felix Dietrich
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