From: Emre Yolcu <mail@emreyolcu.com>
To: 71085@debbugs.gnu.org
Subject: bug#71085: text-scale-adjust does not adjust margin width
Date: Mon, 20 May 2024 18:50:28 -0400 [thread overview]
Message-ID: <C7031EF2-EBCF-42B6-A79E-B1EA6B4F37FD@emreyolcu.com> (raw)
As of Emacs 29.3, changing the text size in a buffer using
text-scale-adjust has no affect on margin width. Since the text displayed
in the margins has the same height as the text in the buffer, this
behavior causes the text in the margin to be clipped if we increase the
text size too much by using text-scale-adjust. Here are the steps to
confirm:
1. Launch with "emacs -Q".
2. Evaluate:
(set-window-fringes nil 0)
(set-window-margins nil 1)
3. Switch to a scratch buffer.
4. Place the cursor, which should be box-shaped by default, on the
first-column of the buffer.
5. Increase the text size in the buffer by pressing C-x C-= several times.
Expected behavior: Left margin has exactly the same width as that of the cursor.
Current behavior: Left margin has width much smaller than that of the cursor.
It also seems to me that there is no way to work around this problem in
the Elisp layer, because text-scale-mode works by remapping faces in a
buffer-local manner; however,
- there is no face defined for the margins, and
- it seems that the pixel width of the margins is not determined in a
buffer-local manner.
Given that {left,right}-margin-width are buffer-local variables, I would
expect their pixel width to be determined in a buffer-local manner.
next reply other threads:[~2024-05-20 22:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-20 22:50 Emre Yolcu [this message]
2024-05-21 11:38 ` bug#71085: text-scale-adjust does not adjust margin width Eli Zaretskii
2024-05-21 16:14 ` Drew Adams via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-21 16:14 ` Emre Yolcu
2024-05-21 18:17 ` Eli Zaretskii
2024-05-21 20:10 ` Emre Yolcu
2024-05-22 12:03 ` Eli Zaretskii
2024-05-22 17:05 ` Emre Yolcu
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