Created
February 12, 2021 14:51
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org-latex-auto-toggle.el
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(require 'dash) | |
(defvar-local +org-last-in-latex nil) | |
(defun +org-post-command-hook () | |
(ignore-errors | |
(let ((in-latex (and (derived-mode-p 'org-mode) | |
(or (org-inside-LaTeX-fragment-p) | |
(org-inside-latex-macro-p))))) | |
(if (and +org-last-in-latex (not in-latex)) | |
(progn (org-latex-preview) | |
(setq +org-last-in-latex nil))) | |
(when-let ((ovs (overlays-at (point)))) | |
(when (->> ovs | |
(--map (overlay-get it 'org-overlay-type)) | |
(--filter (equal it 'org-latex-overlay))) | |
(org-latex-preview) | |
(setq +org-last-in-latex t))) | |
(when in-latex | |
(setq +org-last-in-latex t))))) | |
(define-minor-mode org-latex-auto-toggle | |
"Auto toggle latex overlay when cursor enter/leave." | |
nil | |
nil | |
nil | |
(if org-latex-auto-toggle | |
(add-hook 'post-command-hook '+org-post-command-hook nil t) | |
(remove-hook 'post-command-hook '+org-post-command-hook t))) |
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