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emacs: make vundo transition seamless

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Protesilaos Stavrou 2023-12-27 05:54:45 +02:00
parent 91f27097c2
commit e8f082b4c6
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2 changed files with 12 additions and 5 deletions
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5
emacs/.emacs.d/prot-emacs-modules/prot-emacs-essentials.el
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@ -337,8 +337,6 @@ word. Fall back to regular `expreg-expand'."
(:delay 30)
(setq vundo-glyph-alist vundo-unicode-symbols)
(define-key global-map (kbd "C-?") #'vundo) ; override `undo-redo'
(defun prot/vundo-if-repeat-undo ()
"Use `vundo' if the last command was an `undo'.
In other words, start visualising the undo ring if we are going
@ -350,6 +348,9 @@ to be cycling through the edits."
'undo)))
(define-key global-map (kbd "C-/") #'prot/vundo-if-repeat-undo) ; override `undo'
(prot-emacs-keybind vundo-mode-map
"C-/" #'vundo-backward
"C-?" #'vundo-forward)
(with-eval-after-load 'pulsar
(add-hook 'vundo-post-exit-hook #'pulsar-pulse-line-green)))

12
emacs/.emacs.d/prot-emacs.org
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@ -2977,9 +2977,14 @@ prefer nothing to pop up unless it is necessary. To this end, my
command ~prot/vundo-if-repeat-undo~ produces a visualisation of the
undo steps only after I repeat the ~undo~ command. The assumption is
that if I am repeating, I am already interested in something further
back in history, at which point having a representation of it is very
back in history, at which point having a representation of it is
helpful.
To make this feel natural, I bind keys in the ~vundo-mode-map~ that
are consistent with the defaults for ~undo~ and ~undo-redo~. This way,
I can keep operating on the buffer without switching contexts. The
visualisation is a nice extra ([[#h:d3684ec0-a972-4033-a4d6-41ee16e891d9][The =init.el= macro to bind keys (~prot-emacs-keybind~)]]).
I did contribute to the ~vundo~ package a while ago to define the
~vundo-after-undo-functions~. This was an abnormal hook that we could
employ for advanced uses, such as to display a diff with the relevant
@ -2996,8 +3001,6 @@ to pulse the region.
(:delay 30)
(setq vundo-glyph-alist vundo-unicode-symbols)
(define-key global-map (kbd "C-?") #'vundo) ; override `undo-redo'
(defun prot/vundo-if-repeat-undo ()
"Use `vundo' if the last command was an `undo'.
In other words, start visualising the undo ring if we are going
@ -3009,6 +3012,9 @@ to be cycling through the edits."
'undo)))
(define-key global-map (kbd "C-/") #'prot/vundo-if-repeat-undo) ; override `undo'
(prot-emacs-keybind vundo-mode-map
"C-/" #'vundo-backward
"C-?" #'vundo-forward)
(with-eval-after-load 'pulsar
(add-hook 'vundo-post-exit-hook #'pulsar-pulse-line-green)))