GNU bug report logs - #71883
[PATCH] Fix tab-bar-auto-width with customized tab-bar-tab-face-function

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From: Joseph Turner <joseph <at> breatheoutbreathe.in>
To: Juri Linkov <juri <at> linkov.net>
Cc: adam <at> alphapapa.net, 71883 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>, shipmints <at> gmail.com
Subject: bug#71883: [PATCH] Fix tab-bar-auto-width with customized tab-bar-tab-face-function
Date: Thu, 25 Jul 2024 11:11:01 -0700

[Message part 1 (text/plain, inline)]

Juri Linkov <juri <at> linkov.net> writes:

>> I'm not sure I understand why they need to be installed on emacs-30.
>> Is this a regression in Emacs 29 or Emacs 30?  What bad things will
>> happen if we install the changes on master instead>

No regression.

> Replacing hard-coded logic with customizable variable
> for external packages like activities.el is needed
> as soon as possible on emacs-30 because hard-coded logic
> hinders the use of packages.
>
> However, there is no hurry to change the default behavior
> to match a symbol name instead of checking face names.
> Therefore I think better to move the existing code
>
>   (memq (get-text-property 0 'face (nth 2 item)) tab-bar-auto-width-faces)
>
> to the new predicate function on emacs-30.  Then activities.el
> can change it to another function that matches a symbol.
>
> Then on master the default body on the new predicate
> could be replaced from checking the face to match a symbol.
> Also changes in tab-bar--format-tab-group should be on master as well.

Much as I'd like to use these changes asap, I think this patchset should
go entirely on master.  I see these changes as adding functionality
(making tab-bar tabs more extensible) rather than bug fixes.

>>> Does this change warrant a NEWS entry?
>>
>> Yes, since you are adding a hook variable.  Obsolescence of a variable
>> also requires a NEWS entry.

Please see attached patches.

Thanks!

Joseph

[0001-Use-current-group-symbol-for-current-tab-group-item.patch (text/x-diff, attachment)]

[0002-Add-abnormal-hook-to-determine-which-tabs-to-auto-wi.patch (text/x-diff, attachment)]

[0003-Mark-tab-bar-auto-width-faces-obsolete.patch (text/x-diff, attachment)]

[0004-etc-NEWS-Announce-tab-bar-auto-width-functions.patch (text/x-diff, attachment)]

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