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;;; bookmark-conf.el --- My configurations for bookmark -*- lexical-binding: t; -*-
;; Copyright (C) 2021 Durand
;; Author: Durand <mmemmew@gmail.com>
;; Keywords: convenience
;; 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 3 of the License, 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 this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; My configurations for bookmarks.
;;; Code:
;; dependency of blist
(use-package "ilist" 'ilist)
(use-package "blist" 'blist)
;;; replace the original key-binding
(define-key ctl-x-r-map (vector ?l) #'blist-list-bookmarks)
;;; Customizations
;;;; I am not an expert
;; I prefer not being an expert now, as deleting bookmarks is quite
;; dangerous for me, as I start to depend my workflow on these
;; bookmarks. It might be difficult to restore the bookmark of a PDF
;; file deeply buried somewhere inside my file system, if I
;; accidentally delete it.
(setq blist-expert nil)
;;;; Discard empty groups
(setq blist-discard-empty-p t)
;;;; I love cycling
(setq blist-movement-cycle t)
;;;; Filter groups
(setq
blist-filter-groups
(list
(cons "PDF" #'blist-pdf-p)
(cons "Eshell" #'blist-eshell-p)
(cons "ELisp" #'blist-elisp-p)
(cons "Gnus" #'blist-gnus-p)
(cons "EWW" #'blist-eww-p)
(cons "Info" #'blist-info-p)
(cons "Org" #'blist-org-p)
(cons "C" #'blist-c-p)
(cons "Default" #'blist-default-p)))
;;; More bookmark groups
;;;; Gnus group
;; There seems to be only two GNUS bookmark handlers (or one?)
(blist-define-criterion "gnus" "Gnus"
(memq (bookmark-get-handler bookmark)
(list #'gnus-summary-bookmark-jump
#'gnus-bookmark-jump)))
;;;; EWW group
(blist-define-criterion "eww" "EWW"
(eq (bookmark-get-handler bookmark)
#'durand-eww-bookmark-jump))
;;;; Info group
(blist-define-criterion "info" "Info"
(eq (bookmark-get-handler bookmark)
#'Info-bookmark-jump))
;;;; PDF group
(blist-define-criterion "pdf" "PDF"
(eq (bookmark-get-handler bookmark)
#'pdf-view-bookmark-jump-handler))
;;;; Org group
(defvar org-directory)
(blist-define-criterion "org" "Org"
(let ((location (blist-get-location bookmark)))
(or
(string-match-p
"\\.org$" location)
(and
(file-directory-p (or org-directory "/non-existing"))
(file-in-directory-p location org-directory)))))
;;;; C group
(blist-define-criterion "c" "C"
;; `rx' is a macro, so that we don't have to compute the regular
;; expression every time we match a line.
(string-match-p
(rx
(or
(seq ".c"
(zero-or-one "pp")
eos)
(seq ".h"
(zero-or-one "pp")
eos)))
(blist-get-location bookmark)))
;;;; ELisp group
(blist-define-criterion "elisp" "ELisp"
(string-match-p "\\.el$" (blist-get-location bookmark)))
;;; Fit annotations buffer to window
(defun durand-bookmark-jump-fit-to-window (&rest _args)
"Fit the annotations buffer to its window, if needed.
ARGS are ignored."
(let ((window (get-buffer-window "*Bookmark Annotation*")))
(cond
((and window (windowp window) (window-live-p window))
(durand-fit-window-to-buffer-with-max
window)))))
(advice-add #'bookmark-jump
:after
#'durand-bookmark-jump-fit-to-window)
;;; Display of the list
(cond
((assoc blist-buffer-name display-buffer-alist #'string-match-p)
(setcdr (assoc durand-chercher-pdf-buffer-name
display-buffer-alist #'string-match-p)
'((display-buffer-same-window))))
(t
(add-to-list 'display-buffer-alist
`(,(rx bos (eval blist-buffer-name) eos)
(display-buffer-same-window)))))
(provide 'bookmark-conf)
;;; bookmark-conf.el ends here
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