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fix(visual-fill-column): improve line number detection

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Kiana Sheibani 2026-02-04 16:28:48 -05:00
parent 05fbbcb21f
commit 9394869bb3
Signed by: toki
GPG key ID: 6CB106C25E86A9F7
1 changed files with 14 additions and 8 deletions
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@ -1304,17 +1304,23 @@ The =visual-fill-column= package works by expanding the window's right margin. T
When a buffer has line numbers, they can interfere with the margins and make the line smaller than it should be. We can mitigate this issue by adding extra columns to the window. When a buffer has line numbers, they can interfere with the margins and make the line smaller than it should be. We can mitigate this issue by adding extra columns to the window.
#+begin_src emacs-lisp #+begin_src emacs-lisp
(add-hook! display-line-numbers-mode (defun ~/update-visual-fill-column-line-numbers (&optional _s _e _len)
(require 'visual-fill-column) (require 'visual-fill-column)
(setq-local (let ((dw (line-number-display-width)))
visual-fill-column-extra-text-width ;; 2 extra columns for padding (when line numbers are on)
(cons 0 (if display-line-numbers-mode (when display-line-numbers
;; Width of line number + 2 padding columns (setq dw (+ dw 2)))
(+ 2 (line-number-display-width)) (unless (= dw (or (cdr visual-fill-column-extra-text-width) 0))
0))) (setq-local visual-fill-column-extra-text-width
(visual-fill-column--adjust-window)) (cons 0 dw))
(visual-fill-column--adjust-window))))
(add-hook! '(display-line-numbers-mode-hook post-command-hook doom-switch-buffer-hook)
#'~/update-visual-fill-column-line-numbers)
#+end_src #+end_src
We unfortunately have to make this check /very/ often, anywhere that could conceivably change the output of ~line-number-display-width~. This includes all buffer movement commands, which unfortunately don't have a hook
** Dashboard ** Dashboard
#+call: confpkg("Dashboard") #+call: confpkg("Dashboard")