GNU bug report logs - #78953
31.0.50; tab-bar-format-align-right alignment breaks if field widths change

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Message #43 received at 78953 <at> debbugs.gnu.org (full text, mbox):

From: Stéphane Marks <shipmints <at> gmail.com>
To: Daniel Mendler <mail <at> daniel-mendler.de>
Cc: 78953 <at> debbugs.gnu.org, Juri Linkov <juri <at> linkov.net>
Subject: Re: bug#78953: 31.0.50; tab-bar-format-align-right alignment breaks
 if field widths change
Date: Thu, 10 Jul 2025 09:39:43 -0400

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On Thu, Jul 10, 2025 at 9:34 AM Daniel Mendler <mail <at> daniel-mendler.de>
wrote:

> Stéphane Marks <shipmints <at> gmail.com> writes:
>
> > On Thu, Jul 10, 2025 at 9:23 AM Daniel Mendler <mail <at> daniel-mendler.de>
> > wrote:
> >
> >> Stéphane Marks <shipmints <at> gmail.com> writes:
> >>
> >> > What if, instead, each tab's content would shrink to fit? This is
> >> > closer to how web browsers fit tabs. There are browser extensions that
> >> > offer multiple lines or scroll left/right, but I find those more
> >> > annoying since I can't see them all.
> >>
> >> Yes, this would be great, as long as each tab bar field would shrink,
> >> not only the tabs themselves at the very left. For me the overflow
> >> happens not only because I have too many tabs but because my system bar
> >> gets too long.
> >>
> >> However I suspect that such shrinking behavior is harder to implement
> >> nicely, in contrast to simple truncation.
> >>
> >
> > Reading through tab-bar for a feature I don't use, but maybe I should, is
> > `tab-bar-auto-width` and its controls `tab-bar-auto-width-max` and
> > `tab-bar-auto-width-min` so perhaps this feature already exists.
>
> I see. This is exactly the feature which does not help for my use case,
> since it only resizes the tabs and not all the other tab fields, which I
> would like to truncate.
>
> I would like to see an option `tab-bar-truncate' or `tab-line-truncate'
> which simply prevent line wrapping, similar to the buffer variable
> `truncate-lines'.
>

Perhaps customizing `tab-bar-auto-width-faces` and/or
`tab-bar-auto-width-functions` would allow relaxing field limits to your
taste.

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