GNU bug report logs - #46476
Feature request: Right-aligning part of the modeline

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From: Paweł Kraśnicki <paul.krasnicki <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46476 <at> debbugs.gnu.org
Subject: bug#46476: Feature request: Right-aligning part of the modeline
Date: Sat, 13 Feb 2021 18:45:14 +0100

> If people use :align-to, then what would be the advantage of providing
> %-constructs to produce the same?

Well, the only advantage is that people wouldn't need to install an external
package or write a short but advanced piece of Lisp. I think that right
alignment is such a commonly used feature that it would be good to have it
accessible very easily. (Center alignment and segments are less popular.)
I actually got the idea for using %= in particular from Vim, which has right
alignment under this %-construct.

> That'd require two passes to generate the mode-line display, right?

I think so. Emacs would have to first expand the modeline constructs in the
segments separately into some internal data structure, then decide which ones to
actually display.

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