From: Julian Rohrhuber via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
To: 47360@debbugs.gnu.org
Subject: bug#47360: 27.1; using 'bar cursor, mouseclick is rounded to the wrong char position
Date: Wed, 24 Mar 2021 07:42:28 +0000 [thread overview]
Message-ID: <552AAC5C-46DD-418C-958E-949E33D4A697@protonmail.com> (raw)
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When using 'bar as cursor, the click location is truncated to the value before the character one clicks on (as expected when using a 'box). When using a 'bar, however, one expects that the "hill" is in the center of each character, and the valley between them. I've made an illustration, where the green color shows the watershed, so to speak.
This behavior feels subtly broken.
A solution to the issue has been suggested https://emacs.stackexchange.com/questions/20279/mouse-pointer-between-characters-and-the-text-cursor-misplacement
Using the modified function posn-set-point below fixes the issue for me. I find the behavior also reasonable for 'box, but that might be a matter of discussion.
(defun posn-set-point (position)
"Move point to POSITION.
Select the corresponding window as well."
(if (not (windowp (posn-window position)))
(error "Position not in text area of window"))
(select-window (posn-window position))
(let ((pos (posn-point position)))
(if (numberp pos)
(goto-char (if (and (eq 'bar (or (car-safe cursor-type) cursor-type))
(< pos (point-max))
(consp position)
(numberp (car-safe (posn-object-x-y position)))
(numberp (car-safe (posn-object-width-height position)))
(> (* 2 (car (posn-object-x-y position)))
(car (posn-object-width-height position))))
(1+ pos)
pos)))))
Configured features:
NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS MODULES
THREADS JSON PDUMPER
Important settings:
value of $LANG: en_DE.UTF-8
locale-coding-system: utf-8-unix
Major mode: Markdown
Minor modes in effect:
shell-dirtrack-mode: t
org-roam-mode: t
recentf-mode: t
ivy-mode: t
desktop-save-mode: t
show-paren-mode: t
tooltip-mode: t
global-eldoc-mode: t
eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
global-visual-line-mode: t
visual-line-mode: t
transient-mark-mode: t
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next reply other threads:[~2021-03-24 7:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-24 7:42 Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors [this message]
2021-03-24 17:25 ` bug#47360: 27.1; using 'bar cursor, mouseclick is rounded to the wrong char position Eli Zaretskii
2021-03-24 17:38 ` Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-03-24 18:25 ` Eli Zaretskii
2021-03-24 18:39 ` Lars Ingebrigtsen
2021-03-24 19:08 ` Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-03-27 17:53 ` Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-03-27 19:47 ` Eli Zaretskii
2021-03-28 7:15 ` Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-03-28 7:25 ` Eli Zaretskii
2021-03-28 13:00 ` Julian Rohrhuber via Bug reports for GNU Emacs, the Swiss army knife of text editors
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