From: Stephen Berman <stephen.berman@gmx.net>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: 53776@debbugs.gnu.org, goncholden <goncholden@protonmail.com>
Subject: bug#53776: Modeline indicator when using define-minor-mode
Date: Mon, 07 Feb 2022 00:13:39 +0100 [thread overview]
Message-ID: <87sfsvd1wc.fsf@rub.de> (raw)
In-Reply-To: <878run7jea.fsf@web.de> (Michael Heerdegen's message of "Sun, 06 Feb 2022 22:52:13 +0100")
On Sun, 06 Feb 2022 22:52:13 +0100 Michael Heerdegen <michael_heerdegen@web.de> wrote:
> Stephen Berman <stephen.berman@gmx.net> writes:
>
>> Nevertheless, I would be interested in trying it and seeing the code.
>> Can you post it?
>
> I don't have it any more. The basic idea was like
>
> #+begin_src emacs-lisp
> (defvar ml-scroll-amnt 0)
>
> (setq-default
> mode-line-format
> `(:eval (substring (format-mode-line ',mode-line-format)
> ml-scroll-amnt)))
> #+end_src
>
> and let mouse-4 and mouse-5 over the mode-line de- and increase
> `ml-scroll-amnt'. That's all.
Thanks, but doesn't this just truncate the mode-line-string
continuously? For scrolling back, it seems necessary to store the
original mode-line-string and concatenate the previously truncated part
of it with the current value.
> Be careful when the variable binding of `mode-line-format' changes - the
> above hack won't survive that, so when a certain mode redefines
> `mode-line-format' (with other words: doesn't use the default value,
> like Gnus), you need to do the above after the variable has been set.
What I had in mind was something like using auto-hscroll-mode on the
mode line, or making it into something like a horizontal scroll bar.
Either of these, if possible at all, requires changes in the C code.
Steve Berman
next prev parent reply other threads:[~2022-02-06 23:13 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-04 11:55 bug#53776: Modeline indicator when using define-minor-mode goncholden via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-04 13:02 ` Stephen Berman
2022-02-04 13:22 ` goncholden via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-04 13:35 ` Stephen Berman
2022-02-04 14:05 ` goncholden via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-04 14:38 ` Stephen Berman
2022-02-04 14:43 ` goncholden via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-04 14:49 ` Stephen Berman
2022-02-05 6:45 ` Lars Ingebrigtsen
2022-02-06 3:39 ` Michael Heerdegen
2022-02-06 12:52 ` Stephen Berman
2022-02-06 21:52 ` Michael Heerdegen
2022-02-06 23:13 ` Stephen Berman [this message]
2022-02-06 23:59 ` Michael Heerdegen
2022-02-07 0:28 ` Stephen Berman
2022-02-07 0:51 ` Michael Heerdegen
2022-02-07 22:40 ` Stephen Berman
2022-02-06 17:12 ` goncholden via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-02-05 0:12 ` Phil Sainty
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