From: "Paul W. Rankin" via "Emacs development discussions." <emacs-devel@gnu.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: sbaugh@catern.com, emacs-devel@gnu.org
Subject: Re: Horizontal centering in the display engine
Date: Thu, 15 Apr 2021 21:39:59 +1000 [thread overview]
Message-ID: <f161702768b15ab26c6b54a9d3573d45@bydasein.com> (raw)
In-Reply-To: <83zgy0xc30.fsf@gnu.org>
On 2021-04-15 17:04, Eli Zaretskii wrote:
> This calculation of line-width is, of course, only valid when there's
> a single face used by the line's characters.
>
> Using window-text-pixel-size will produce more accurate results, but
> OP's main problem is not how to compute the line's width, it is how to
> make the alignment adjust itself automatically to any changes in the
> line's text and in the window's width.
Yes, just a proof of concept, we need to leave some things for OP to
find out themselves ;)
If implemented with font-lock, the properties will automatically update
when the text is changed, and a hook can be added to
window-size-change-functions for the window changing.
next prev parent reply other threads:[~2021-04-15 11:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 5:13 Horizontal centering in the display engine Paul W. Rankin via Emacs development discussions.
2021-04-15 7:04 ` Eli Zaretskii
2021-04-15 11:39 ` Paul W. Rankin via Emacs development discussions. [this message]
2021-04-15 12:43 ` Stefan Monnier
2021-04-15 13:05 ` Paul W. Rankin via Emacs development discussions.
-- strict thread matches above, loose matches on Subject: below --
2021-04-13 18:25 sbaugh
2021-04-13 18:39 ` Eli Zaretskii
2021-04-13 19:28 ` sbaugh
2021-04-13 19:43 ` Eli Zaretskii
2021-04-13 20:49 ` sbaugh
2021-04-14 6:56 ` Eli Zaretskii
2021-04-14 13:28 ` sbaugh
2021-04-14 13:42 ` Yuan Fu
2021-04-14 14:04 ` Stefan Monnier
2021-04-14 15:22 ` sbaugh
2021-04-14 14:42 ` Eli Zaretskii
2021-04-14 15:25 ` sbaugh
2021-04-14 15:52 ` Eli Zaretskii
2021-04-14 8:28 ` martin rudalics
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