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MELPA MELPA Travis

Visible bookmarks in buffer for GNU Emacs 22.x / 23.x / 24.x / 25.x / 26.x (XEmacs 21.x).

This package provides visible, buffer local, bookmarks and the ability to jump forward and backward to the next bookmark.

It was created because I missed the bookmarks from M$ Visual Studio in GNU Emacs. I think they provide an easy way to navigate in a buffer.

Features:

  • Auto remove bookmark after jump to it by bm-next or bm-previous:
  • Cycle through bookmarks in all open buffers in LIFO order
  • Toggle bookmarks. Jump to next/previous bookmark.
  • Setting bookmarks based on a regexp. (Useful when searching logfiles.)
  • Mouse navigation.
  • Annotate bookmarks.
  • Different wrapping modes.
  • Different bookmarks styles, line-only, fringe-only or both.
  • Persistent bookmarks (buffer local), also in non-file buffers (info) and indirect buffers.
  • List bookmarks (in all buffers) in a separate buffer.
  • Cycle through bookmarks in all open buffers.

Known Limitations:

There are some incompatibilities with lazy-lock when using fill-paragraph. All bookmark below the paragraph being filled will be lost. This issue can be resolved using the `jit-lock-mode'.

Installation:

To use bm.el, put it in your load-path and add the following to your .emacs

(require 'bm)

or

(autoload 'bm-toggle   "bm" "Toggle bookmark in current buffer." t)
(autoload 'bm-next     "bm" "Goto bookmark."                     t)
(autoload 'bm-previous "bm" "Goto previous bookmark."            t)

Configuration:

To make it easier to use, assign the commands to some keys.

M$ Visual Studio key setup.

(global-set-key (kbd "<C-f2>") 'bm-toggle)
(global-set-key (kbd "<f2>")   'bm-next)
(global-set-key (kbd "<S-f2>") 'bm-previous)

Click on fringe to toggle bookmarks, and use mouse wheel to move between them.

(global-set-key (kbd "<left-fringe> <mouse-5>") 'bm-next-mouse)
(global-set-key (kbd "<left-fringe> <mouse-4>") 'bm-previous-mouse)
(global-set-key (kbd "<left-fringe> <mouse-1>") 'bm-toggle-mouse)

If you would like the markers on the right fringe instead of the left, add the following line:

(setq bm-marker 'bm-marker-right)

If you would like to cycle bookmark in LIFO order, add the following line:

(setq bm-in-lifo-order t)

If you would like to cycle through bookmarks in all open buffers, add the following line:

(setq bm-cycle-all-buffers t)

If you would like to remove bookmark after jump to it by bm-next or bm-previous:

(setq temporary-bookmark-p t)

or if you want use this feature in your library:

(bm-bookmark-add nil nil t)

Configuring bm.el with use-package:

Configuring bm.el with use-package

(use-package bm
         :ensure t
         :demand t

         :init
         ;; restore on load (even before you require bm)
         (setq bm-restore-repository-on-load t)


         :config
         ;; Allow cross-buffer 'next'
         (setq bm-cycle-all-buffers t)

         ;; where to store persistant files
         (setq bm-repository-file "~/.emacs.d/bm-repository")

         ;; save bookmarks
         (setq-default bm-buffer-persistence t)

         ;; Loading the repository from file when on start up.
         (add-hook 'after-init-hook 'bm-repository-load)

         ;; Saving bookmarks
         (add-hook 'kill-buffer-hook #'bm-buffer-save)

         ;; Saving the repository to file when on exit.
         ;; kill-buffer-hook is not called when Emacs is killed, so we
         ;; must save all bookmarks first.
         (add-hook 'kill-emacs-hook #'(lambda nil
                                          (bm-buffer-save-all)
                                          (bm-repository-save)))

         ;; The `after-save-hook' is not necessary to use to achieve persistence,
         ;; but it makes the bookmark data in repository more in sync with the file
         ;; state.
         (add-hook 'after-save-hook #'bm-buffer-save)

         ;; Restoring bookmarks
         (add-hook 'find-file-hooks   #'bm-buffer-restore)
         (add-hook 'after-revert-hook #'bm-buffer-restore)

         ;; The `after-revert-hook' is not necessary to use to achieve persistence,
         ;; but it makes the bookmark data in repository more in sync with the file
         ;; state. This hook might cause trouble when using packages
         ;; that automatically reverts the buffer (like vc after a check-in).
         ;; This can easily be avoided if the package provides a hook that is
         ;; called before the buffer is reverted (like `vc-before-checkin-hook').
         ;; Then new bookmarks can be saved before the buffer is reverted.
         ;; Make sure bookmarks is saved before check-in (and revert-buffer)
         (add-hook 'vc-before-checkin-hook #'bm-buffer-save)


         :bind (("<f2>" . bm-next)
                ("S-<f2>" . bm-previous)
                ("C-<f2>" . bm-toggle))
         )

Reviews and comments: