branch: elpa/typst-ts-mode
commit 73f6273b132bd22b5ae2207cefcca95e4ebea89d
Author: huanie <nguyenthieuh...@gmail.com>
Commit: Ziqi Yang <mr.ziqiy...@gmail.com>
feat: Incrase/Decrase heading level.
---
typst-ts-mode.el | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/typst-ts-mode.el b/typst-ts-mode.el
index 71b8c88d2a..ad05a4da54 100644
--- a/typst-ts-mode.el
+++ b/typst-ts-mode.el
@@ -567,6 +567,65 @@ buffer before compilation."
(remove-hook 'compilation-finish-functions
(typst-ts-mode-compile--compilation-finish-function
cur-buffer)))))
+(defun typst-ts-mode-meta--dwim (right-p)
+ "Either increase/decrease heading level or move by word.
+RIGHT-P non-nil for increasing heading level, RIGHT-P nil for decreasing."
+ (let ((node nil)
+ (tmp nil))
+ (setq node
+ ;; = header
+ (cond
+ ((string=
+ (treesit-node-type
+ (setq tmp (treesit-node-parent
+ (treesit-node-at (point)))))
+ "heading")
+ (treesit-node-child tmp 0))
+ ;; = header with point at the end of line
+ ((string=
+ (treesit-node-type
+ (setq tmp (treesit-node-parent
+ (treesit-node-at (line-beginning-position)))))
+ "heading")
+ (treesit-node-child tmp 0))
+ (t nil)))
+ (if node
+ (typst-ts-mode-shift--heading right-p node)
+ (execute-kbd-macro
+ (if right-p
+ (read-kbd-macro "M-<right>")
+ (read-kbd-macro "M-<left>"))))))
+
+(defun typst-ts-mode-shift--heading (right-p node)
+ "Increase or decrease the heading level.
+RIGHT-P nil means increase the level while RIGHT-P non-nil means decrease.
+NODE is the heading node.
+This does not handle #heading function."
+ (let* ((heading-string "")
+ (heading-level 0))
+ (setq heading-level
+ (length (setq heading-string (treesit-node-text node))))
+ (when (and (= heading-level 1) (not right-p))
+ (user-error "Cannot decrease level 1 heading"))
+ (save-excursion (replace-string-in-region heading-string
+ (if right-p
+ (concat heading-string "=")
+ (substring-no-properties
heading-string 1 heading-level))
+ (treesit-node-start node)
+ (treesit-node-end node)))))
+;;;###autoload
+(defun typst-ts-mode-shift-heading-right ()
+ "Increase the heading level."
+ (interactive)
+ (typst-ts-mode-meta--dwim t))
+
+;;;###autoload
+(defun typst-ts-mode-shift-heading-left ()
+ "Decrease heading level."
+ (interactive)
+ (typst-ts-mode-meta--dwim nil))
+
+
;;;###autoload
(defun typst-ts-mode-compile ()
"Compile current typst file."
@@ -731,6 +790,8 @@ PROC: process; OUTPUT: new output from PROC."
(define-key map (kbd "C-c C-c C") #'typst-ts-mode-compile)
(define-key map (kbd "C-c C-c w") #'typst-ts-mode-watch-toggle)
(define-key map (kbd "C-c C-c p") #'typst-ts-mode-preview)
+ (define-key map (kbd "M-<left>") #'typst-ts-mode-shift-heading-left)
+ (define-key map (kbd "M-<right>") #'typst-ts-mode-shift-heading-right)
map))
;;;###autoload
