GNU bug report logs - #53776
Modeline indicator when using define-minor-mode

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Message #14 received at 53776 <at> debbugs.gnu.org (full text, mbox):

From: goncholden <goncholden <at> protonmail.com>
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: 53776 <at> debbugs.gnu.org
Subject: Re: bug#53776: Modeline indicator when using define-minor-mode
Date: Fri, 04 Feb 2022 13:22:08 +0000

------- Original Message -------

On Friday, February 4th, 2022 at 1:02 PM, Stephen Berman <stephen.berman <at> gmx.net> wrote:

> On Fri, 04 Feb 2022 11:55:45 +0000 goncholden via "Bug reports for GNU Emacs, the Swiss army knife of text editors" bug-gnu-emacs <at> gnu.org wrote:
>
> > Have been using define-minor-mode and noticed that when setting the
> > modeline indicator, the text is appended with no space between other
> > modeline indicators. Is this how :lighter is supposed to work?
>
> Yes, the lack of a space is in the definition of `mode-line-modes':` (:propertize ("" minor-mode-alist)
>
> I guess the reason is that you can have multiple minor mode lighters and
> providing a space between each would complicate the definition of
> `mode-line-modes', so that's the job of the minor mode definition
> itself:
>
> > (define-minor-mode rich-minor-mode
> >
> > "This is the docstring."
> > :lighter "rich"
>
> So you should do this: :lighter " rich"
>
> Steve Berman

Because one can easily add minor-modes that exceed the mode-line mini-buffer, is there
the capability of making a hierarchical modeline indicator.

e.g.

Emacs-Lisp
company
Outl
Gon -> rich
    -> gudin
    -> cholden

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