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mirror of https://git.savannah.gnu.org/git/emacs/org-mode.git synced 2024-11-25 07:27:57 +00:00

Update org-bullets (commit a107e4c).

This commit is contained in:
Bastien Guerry 2013-02-22 13:59:42 +01:00
parent e4a8f7b8c1
commit 226ad16eff

View File

@ -50,101 +50,71 @@ It can contain any number of symbols, which will be repeated."
:group 'org-bullets
:type '(repeat (string :tag "Bullet character")))
(defvar org-bullet-overlays nil)
(make-variable-buffer-local 'org-bullet-overlays)
(defcustom org-bullets-face-name nil
"This variable allows the org-mode bullets face to be
overridden. If set to a name of a face, that face will be
used. Otherwise the face of the heading level will be used."
:group 'org-bullets
:type 'symbol)
(defvar org-bullets-changes nil)
(make-variable-buffer-local 'org-bullets-changes)
(defun org-bullets-level-char (level)
(nth (mod (1- level)
(length org-bullets-bullet-list))
org-bullets-bullet-list))
(defun org-bullets-match-length ()
(- (match-end 0) (match-beginning 0)))
(defun org-bullets-make-star (bullet-string counter)
(let* ((map '(keymap
(mouse-1 . org-cycle)
(mouse-2 . (lambda (e)
(interactive "e")
(mouse-set-point e)
(org-cycle)))))
(face (save-excursion
(save-match-data
(beginning-of-line)
(looking-at "\\*+")
(intern (concat "org-level-"
(int-to-string
(1+ (mod (1- (org-bullets-match-length))
8))))))))
(overlay (make-overlay (point)
(1+ (point)))))
(overlay-put overlay 'display
(if (zerop counter)
(propertize bullet-string
'face face
'local-map map)
(propertize " "
'local-map map)))
(overlay-put overlay 'is-bullet t)
(push overlay org-bullet-overlays)))
(defun org-bullets-clear ()
(mapc 'delete-overlay org-bullet-overlays)
(setq org-bullet-overlays nil))
(defun* org-bullets-redraw (&optional (beginning (point-min)) (end (point-max)))
(save-excursion
(save-match-data
(mapc 'delete-overlay
(remove-if-not
(lambda (overlay) (overlay-get overlay 'is-bullet))
(overlays-in beginning end)))
(goto-char beginning)
(while (and (re-search-forward "^\\*+" nil t)
(<= (point) end))
(let* ((bullet-string (nth (mod (1- (org-bullets-match-length))
(list-length org-bullets-bullet-list))
org-bullets-bullet-list)))
(goto-char (match-beginning 0))
(if (save-match-data (looking-at "^\\*+ "))
(let ((counter (1- (org-bullets-match-length))))
(while (looking-at "[* ]")
(org-bullets-make-star bullet-string counter)
(forward-char)
(decf counter)))
(goto-char (match-end 0)))
)))))
(defun org-bullets-notify-change (&rest args)
(push args org-bullets-changes))
(defun* org-bullets-post-command-hook (&rest ignore)
(unless org-bullets-changes
(return-from org-bullets-post-command-hook))
(let ((min (reduce 'min org-bullets-changes :key 'first))
(max (reduce 'max org-bullets-changes :key 'second)))
(org-bullets-redraw (save-excursion
(goto-char min)
(line-beginning-position))
(save-excursion
(goto-char max)
(forward-line)
(line-end-position))))
(setq org-bullets-changes nil))
;;; Interface
(defun org-bullets-ptp (iter &rest args)
(apply 'put-text-property
(+ iter (match-beginning 0))
(+ iter (match-beginning 0) 1)
args))
;;;###autoload
(define-minor-mode org-bullets-mode
"UTF8 Bullets for org-mode"
nil nil nil
(if org-bullets-mode
(progn
(add-hook 'after-change-functions 'org-bullets-notify-change nil t)
(add-hook 'post-command-hook 'org-bullets-post-command-hook nil t)
(org-bullets-redraw))
(remove-hook 'after-change-functions 'org-bullets-notify-change t)
(remove-hook 'post-command-hook 'org-bullets-post-command-hook t)
(mapc 'delete-overlay org-bullet-overlays)))
(let* (( keyword
`(("^\\*+ "
(0 (let (( offset 0)
( level
(- (match-end 0)
(match-beginning 0) 1)))
(dotimes (iter level)
(if (= (1- level) iter)
(progn
(compose-region
(+ iter (match-beginning 0))
(+ iter (match-beginning 0) 1)
(org-bullets-level-char level))
(when (facep org-bullets-face-name)
(org-bullets-ptp
iter 'face org-bullets-face-name)))
(org-bullets-ptp
iter 'face (list :foreground
(face-attribute
'default :background))))
(put-text-property
(match-beginning 0)
(match-end 0)
'keymap
'(keymap
(mouse-1 . org-cycle)
(mouse-2
. (lambda (e)
(interactive "e")
(mouse-set-point e)
(org-cycle))))))
nil))))))
(if org-bullets-mode
(progn (font-lock-add-keywords nil keyword)
(font-lock-fontify-buffer))
(save-excursion
(goto-char (point-min))
(font-lock-remove-keywords nil keyword)
(while (re-search-forward "^\\*+ " nil t)
(decompose-region (match-beginning 0) (match-end 0)))
(font-lock-fontify-buffer))
)))
(provide 'org-bullets)
;;; org-bullets.el ends here
;;; org-bullets.el ends here