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;;; bm-sync.el --- Synchronize bm.el bookmarks with standard Emacs bookmarks
;; Copyright (C) 2016 Jo Odland
;; Author: Jo Odland <jo.odland(at)gmail.com>
;; Keywords: bookmark
;; URL: https://github.com/joodland/bm
;; This file is *NOT* part of GNU Emacs.
;; This program 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 2, or (at
;; your option) any later version.
;; This program 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Description:
;;
;; Create/remove a standard Emacs bookmark every time you toggle a
;; bm.el bookmark. This code is experimental.
;;
;; This code is related to a GitHub issue,
;; https://github.com/joodland/bm/issues/18
;;; Installation:
;;
;; To use bm-sync.el, put it in your load-path and add the following
;; to your .emacs. It also requires bm.el to be present.
;;
;; (require 'bm-sync)
;;
;;; Code:
;;
(require 'bm)
(defun bm-bookmark-add--sync (&optional annotation time temporary-bookmark)
"Add a standard Emacs bookmarks when setting a bm-bookmark."
;; create a unique name for the bookmark
(let ((name (concat (buffer-name)
" l:" (int-to-string
(count-lines (point-min) (point))))))
;; store the bookmark name as an annotation
(bm-bookmark-annotate (bm-bookmark-at (point)) name)
(bookmark-set name)))
(advice-add 'bm-bookmark-add :after #'bm-bookmark-add--sync)
(defun bm-bookmark-remove--sync (&optional bookmark)
"Remove a standard Emacs bookmarks when setting a bm-bookmark."
(if (null bookmark)
(setq bookmark (bm-bookmark-at (point))))
(if (bm-bookmarkp bookmark)
;; delete bookmark by name (from annotation)
(bookmark-delete (overlay-get bookmark 'annotation))))
(advice-add 'bm-bookmark-remove :before #'bm-bookmark-remove--sync)
(provide 'bm-sync)
;;; bm-sync.el ends here
|
