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authorMarc Coquand <marc@mccd.space>2024-10-07 17:58:47 +0300
committerMarc Coquand <marc@mccd.space>2024-10-07 17:58:47 +0300
commitea8e480979f45624dc94d4695275e70518cce877 (patch)
tree3b79201fc43a75ad01e6228a6da0b661d071e3c9 /emacs.d/elisp/org-link-minor-mode.el
parent03c6ace4604899de7c7b3a8d4b80e2698e07fa15 (diff)
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+;;; org-link-minor-mode.el --- Enable org-mode links in non-org modes -*- lexical-binding: t; -*-
+;;
+;; Copyright (C) 2012-2020
+;;
+;; Author: Sean O'Halpin <sean.ohalpin@gmail.com>
+;; Maintainer: Sean O'Halpin <sean.ohalpin@gmail.com>
+;; Created: 20120825
+;; Modified: 20200129
+;; Version: 0.0.3
+;; Package-Requires: ((emacs "24.3"))
+;; Package-Version: 20200129.0141
+;; Keywords: hypermedia
+;; Url: https://github.com/seanohalpin/org-link-minor-mode
+;;
+;; Changes for org v9: Stefan-W. Hahn <stefan dot hahn at s-hahn dot de>
+;;
+;; This file is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+;;
+;; This file is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program. If not, see <http://www.gnu.org/licenses/>.
+;;
+;;; Commentary:
+;;
+;; Enables org-mode links of the form:
+;;
+;; http://www.bbc.co.uk
+;; man:emacs
+;; info:emacs
+;; <http://www.bbc.co.uk>
+;; [[http://www.bbc.co.uk][BBC]]
+;; [[org-link-minor-mode]]
+;; [2012-08-18]
+;; <2012-08-18>
+;;
+;; Note that `org-toggle-link-display' will also work when this mode
+;; is enabled.
+;;
+;;; Code:
+
+(require 'org-element)
+
+;; Following declarations are necessary to make the byte compiler happy.
+
+;; For org v8 compatibility (if used with org v9)
+(declare-function org-activate-plain-links "org" (limit))
+(declare-function org-activate-angle-links "org" (limit))
+(declare-function org-activate-bracket-links "org" (limit))
+(declare-function org-decompose-region "org-compat" (beg end))
+
+;; For org v9 compatibility (if used with org v8)
+(declare-function org-activate-links "org" (limit))
+(declare-function org-activate-dates "org" (limit))
+
+(defun org-link-minor-mode--unfontify-region (beg end)
+ "Remove org-link fontification between BEG and END."
+ (font-lock-default-unfontify-region beg end)
+ (let* ((buffer-undo-list t)
+ (inhibit-read-only t) (inhibit-point-motion-hooks t)
+ (inhibit-modification-hooks t)
+ deactivate-mark buffer-file-name buffer-file-truename)
+ (if (fboundp 'org-decompose-region)
+ (org-decompose-region beg end)
+ (decompose-region beg end))
+ (remove-text-properties beg end
+ '(mouse-face t keymap t org-linked-text t
+ invisible t intangible t
+ help-echo t rear-nonsticky t
+ htmlize-link t
+ org-no-flyspell t org-emphasis t))
+ (org-remove-font-lock-display-properties beg end)))
+
+(defvar org-link-minor-mode-map (make-sparse-keymap)
+ "Local keymap.")
+(make-variable-buffer-local 'org-link-minor-mode-map)
+
+;;;###autoload
+(define-minor-mode org-link-minor-mode
+ "Toggle display of org-mode style links in non-org-mode buffers."
+ :lighter " org-link"
+ :keymap org-link-minor-mode-map
+ (let ((lk org-highlight-links)
+ org-link-minor-mode-keywords)
+ (if (fboundp 'org-activate-links)
+ ;; from Org v9.2
+ (setq org-link-minor-mode-keywords
+ (list
+ '(org-activate-links)
+ (when (memq 'tag lk) '(org-activate-tags (1 'org-tag prepend)))
+ (when (memq 'radio lk) '(org-activate-target-links (1 'org-link t)))
+ (when (memq 'date lk) '(org-activate-dates (0 'org-date t)))
+ (when (memq 'footnote lk) '(org-activate-footnote-links))))
+ (setq org-link-minor-mode-keywords
+ (list
+ (when (memq 'tag lk) '(org-activate-tags (1 'org-tag prepend)))
+ (when (memq 'angle lk) '(org-activate-angle-links (0 'org-link t)))
+ (when (memq 'plain lk) '(org-activate-plain-links (0 'org-link t)))
+ (when (memq 'bracket lk) '(org-activate-bracket-links (0 'org-link t)))
+ (when (memq 'radio lk) '(org-activate-target-links (0 'org-link t)))
+ (when (memq 'date lk) '(org-activate-dates (0 'org-date t)))
+ (when (memq 'footnote lk) '(org-activate-footnote-links)))))
+ (if org-link-minor-mode
+ (if (derived-mode-p 'org-mode)
+ (progn
+ (message "org-mode doesn't need org-link-minor-mode")
+ (org-link-minor-mode -1))
+ (font-lock-add-keywords nil org-link-minor-mode-keywords t)
+ (kill-local-variable 'org-mouse-map)
+ (setq-local org-mouse-map
+ (let ((map (make-sparse-keymap)))
+ (define-key map [return] 'org-open-at-point)
+ (define-key map [tab] 'org-next-link)
+ (define-key map [backtab] 'org-previous-link)
+ (define-key map [mouse-2] 'org-open-at-point)
+ (define-key map [follow-link] 'mouse-face)
+ map))
+ (setq-local font-lock-unfontify-region-function
+ 'org-link-minor-mode--unfontify-region)
+ (setq-local org-descriptive-links nil)
+ (org-toggle-link-display))
+ (unless (derived-mode-p 'org-mode)
+ (font-lock-remove-keywords nil org-link-minor-mode-keywords)
+ (setq org-descriptive-links t)
+ (org-toggle-link-display)
+ (kill-local-variable 'org-descriptive-links)
+ (kill-local-variable 'org-mouse-map)
+ (kill-local-variable 'font-lock-unfontify-region-function)))))
+
+(provide 'org-link-minor-mode)
+;;; org-link-minor-mode.el ends here