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DT's Doom Emacs Config

FONTS

Doom exposes five (optional) variables for controlling fonts in Doom. Here are the three important ones:

  • `doom-font' – standard monospace font that is used for most things in Emacs.
  • `doom-variable-pitch-font' – variable font which is useful in some Emacs plugins.
  • `doom-big-font' – used in `doom-big-font-mode'; useful for presentations.
(setq doom-font (font-spec :family "SauceCodePro Nerd Font" :size 15)
      doom-variable-pitch-font (font-spec :family "Ubuntu" :size 15)
      doom-big-font (font-spec :family "SauceCodePro Nerd Font" :size 24))
(after! doom-themes
  (setq
   doom-themes-enable-bold t
   doom-themes-enable-italic t))

DOOM THEME

Setting the theme to doom-one. To try out new themes, I set a keybinding for counsel-load-theme with SPC-h-t.

(setq doom-theme 'doom-one)
(map! :leader
      :desc "Load new theme"
      "h t" #'counsel-load-theme)

LINE SETTINGS

I have toggled display-line-numbers-type so I have line numbers displayed. I also set a keybinding to be able to toggle-truncate-lines with SPC-l-t.

(setq display-line-numbers-type t)
(map! :leader
      :desc "Toggle truncate lines"
      "l t" #'toggle-truncate-lines)

ORG MODE

Note that I wrapped most of this in (after! org). Without this, my settings might be evaluated too early, which will result in my settings being overwritten by Doom's defaults.

(after! org
  (setq org-directory "~/Org/"
        org-agenda-files '("~/Org/agenda.org")
        org-default-notes-file (expand-file-name "notes.org" org-directory)
        org-ellipsis " ▼ "
        org-log-done 'time
        ;; ex. of org-link-abbrev-alist in action
        ;; [[arch-wiki:Name_of_Page][Description]]
        org-link-abbrev-alist
          '(("google" . "http://www.google.com/search?q=")
            ("arch-wiki" . "https://wiki.archlinux.org/index.php/")
            ("ddg" . "https://duckduckgo.com/?q=")
            ("wiki" . "https://en.wikipedia.org/wiki/"))
        org-todo-keywords '((sequence "TODO(t)" "PROJ(p)" "VIDEO(v)" "WAIT(w)" "|" "DONE(d)" "CANCELLED(c)" )))
  ;; Nicer bullets in org-mode
  (require 'org-bullets)
  (add-hook 'org-mode-hook (lambda () (org-bullets-mode 1))))

SHELLS

The inferior shell is what you get when you run M-x shell. It is a wrapper around your default shell. It is governed by explicit-shell-file-name, the ESHELL environment variable or shell-file-name, in that order. Below, I demonstrate how to change shell to use fish even though the default shell may be something else. This will also make M-x term and M-x ansi-term default to fish, though it asks you to confirm before it launches.

(setq shell-file-name "/bin/fish")

Sets the file for where I place my eshell aliases.

(setq eshell-aliases-file "~/.doom.d/aliases")

SPLITS

Force splits to open on the right

(defun prefer-horizontal-split ()
  (set-variable 'split-height-threshold nil t)
  (set-variable 'split-width-threshold 40 t)) ; make this as low as needed
(add-hook 'markdown-mode-hook 'prefer-horizontal-split)

TABS (centaur-tabs)

To use tabs in Doom Emacs, be sure to uncomment "tabs" in Doom's init.el. Displays tabs at the top of the window similar to tabbed web browsers such as Firefox. I don't actually use tabs in Emacs. I placed this in my config to help others who may want tabs. In the default configuration of Doom Emacs, there are just a few keybindings that use SPC-t, so it wasn't too difficult to find appropriate keybindings using that prefix for "tabs".

COMMAND DESCRIPTION KEYBINDING
centaur-tabs-local-mode Toggle tabs on/off SPC-t-o
centaur-tabs-counsel-switch-group Switch tab groups SPC-t-s
centaur-tabs-toggle-groups Toggle tab groups SPC-t-t
centaur-tabs-kill-all-buffer-in-current-group Kill all buffers in group SPC-t-k
centaur-tabs-forward Next tab SPC-t-n
centaur-tabs-backward Previous tab SPC-t-k 
(setq centaur-tabs-set-bar 'over
      centaur-tabs-set-icons t
      centaur-tabs-gray-out-icons 'buffer
      centaur-tabs-height 24
      centaur-tabs-set-modified-marker t
      centaur-tabs-style "bar"
      centaur-tabs-modified-marker "•")
(map! :leader
      :desc "Toggle tabs on/off"
      "t o" #'centaur-tabs-local-mode
      :leader
      :desc "Switch tab groups"
      "t s" #'centaur-tabs-counsel-switch-group
      :leader
      :desc "Toggle tab groups"
      "t t" #'centaur-tabs-toggle-groups
      :leader
      :desc "Kill all buffers in group"
      "t k" #'centaur-tabs-kill-all-buffer-in-current-group
      :leader
      :desc "Next tab"
      "t n" #'centaur-tabs-forward
      :leader
      :desc "Previous tab"
      "t p" #'centaur-tabs-backward)

NEOTREE

When you open neotree, it jumps to the current file thanks to neo-smart-open. The neo-window-fixed-size setting makes the neotree width be adjustable.

(after! neotree
  (setq neo-smart-open t
        neo-window-fixed-size nil))
(after! doom-themes
  (setq doom-neotree-enable-variable-pitch t))

MANPAGES 

(require 'ox-groff)

OPEN SPECIFIC FILES

Keybindings to open files that I work with all the time using the find-file command, which is the interactive file search you see using C-x C-f in vanilla Emacs or SPC-f-f in Doom Emacs. These keybindings use find-file non-interactively since we specify exactly what file to open. By default, Doom Emacs does not use SPC-, so the format I use for these bindings is SPC- plus "key".

PATH TO FILE DESCRIPTION KEYBINDING
~/Org/agenda.org Edit agenda file SPC-/-a
~/.doom.d/config.org" Edit doom config.org SPC-/-c
~/.doom.d/aliases" Edit eshell aliases SPC-/-e
~/.doom.d/init.el" Edit doom init.el SPC-/-i
~/.doom.d/packages.el" Edit doom packages.el SPC-/-p 
(map! :leader
      :desc "Edit agenda file"
      "/ a" #'(lambda () (interactive) (find-file "~/Org/agenda.org")))
(map! :leader
      :desc "Edit doom config.org"
      "/ c" #'(lambda () (interactive) (find-file "~/.doom.d/config.org")))
(map! :leader
      :desc "Edit eshell aliases"
      "/ e" #'(lambda () (interactive) (find-file "~/.doom.d/aliases")))
(map! :leader
      :desc "Edit doom init.el"
      "/ i" #'(lambda () (interactive) (find-file "~/.doom.d/init.el")))
(map! :leader
      :desc "Edit doom packages.el"
      "/ p" #'(lambda () (interactive) (find-file "~/.doom.d/packages.el")))
(map! :leader
      :desc "Ssh into distrotube.com"
      "/ s" #'(lambda () (interactive) (find-file "/scp:derek@distrotube.com")))

REMOTE CONNECTIONS

Keybindings for ssh'ing into remote machines. By default, Doom Emacs does not use SPC-\, so the format I use for these bindings is SPC-\ plus "key".

DESCRIPTION KEYBINDING
Ssh into distrotube.com SPC-\-d
Ssh into my nextcloud SPC-\-n 
(map! :leader
      :desc "Ssh into distrotube.com"
      "\\ d" #'(lambda () (interactive) (find-file "/scp:derek@distrotube.com")))
(map! :leader
      :desc "Ssh into my nextcloud"
      "\\ n" #'(lambda () (interactive) (find-file "/scp:derek@distrotube.net")))

FILE MANAGER (dired)

Image previews in dired

(map!
  (:after dired
    (:map dired-mode-map
     :leader
     "l i" #'peep-dired
     )))
(evil-define-key 'normal peep-dired-mode-map (kbd "j") 'peep-dired-next-file
                                             (kbd "k") 'peep-dired-prev-file)
(add-hook 'peep-dired-hook 'evil-normalize-keymaps)

BROWSER (eww)

Set urls to open in a specific browser. I set this to use Emacs' own browser (eww).

(setq browse-url-browser-function 'eww-browse-url)

AUDIO PLAYER (emms)

One of the media players available for Emacs is emms, which stands for Emacs Multimedia System.

(use-package emms
  :ensure t
  :config
  (require 'emms-setup)
  (require 'emms-info)
  (require 'emms-cue)
  (require 'emms-mode-line)
  (require 'emms-playing-time)
  (setq emms-source-file-default-directory "~/Music/Non-Classical/70s-80s/")
  (setq emms-playlist-buffer-name "*Music*")
  (setq emms-info-asynchronously t)
  (unless (eq system-type 'windows-nt)
    (setq emms-source-file-directory-tree-function
          'emms-source-file-directory-tree-find))
  (emms-all)
  (emms-default-players)
  (emms-mode-line 1)
  (emms-playing-time 1))

EMAIL CLIENT (mu4e)

Setting up mu4e which is an email client that works within emacs. You must install mu4e and mbsync through your Linux distribution's package manager. Setting up smtp for sending mail. Make sure the gnutls command line utils are installed. Package 'gnutls-bin' in Debian/Ubuntu, and 'gnutls' in Arch.

(add-to-list 'load-path "/usr/local/share/emacs/site-lisp/mu4e")
(require 'mu4e)
(require 'smtpmail)
(setq mu4e-get-mail-command "mbsync -c ~/.emacs.d/mu4e/.mbsyncrc -a"
      mu4e-update-interval  300
      user-mail-address "derek@distrotube.com"
      user-full-name  "Derek Taylor"
      mu4e-compose-signature
       (concat
         "Derek Taylor\n"
         "http://www.youtube.com/DistroTube\n")
      message-send-mail-function 'smtpmail-send-it
      starttls-use-gnutls t
      smtpmail-starttls-credentials '(("smtp.1and1.com" 587 nil nil))
      smtpmail-auth-credentials '(("smtp.1and1.com" 587 "derek@distrotube.com" nil))
      smtpmail-default-smtp-server "smtp.1and1.com"
      smtpmail-smtp-server "smtp.1and1.com"
      smtpmail-smtp-service 587)
(setq mu4e-sent-folder "/Sent"
      mu4e-drafts-folder "/Drafts"
      mu4e-trash-folder "/Trash"
      mu4e-refile-folder "/All Mail")
(setq mu4e-maildir-shortcuts
      '(("/derek-distrotube/Inbox"    . ?i)
        ("/derek-distrotube/Sent"     . ?s)
        ("/derek-distrotube/All Mail" . ?a)
        ("/derek-distrotube/Trash"    . ?t)))

MASTODON CLIENT (mastodon)

Note that I wrapped my settings with (after! mastodon). Without this, my settings will be overwritten by the default settings for this module, which is "mastodon.social".

(after! mastodon
  (setq mastodon-instance-url "https://mastodon.technology/"))

REDDIT CLIENT (md4rd)

An Emacs reddit client.

(setq md4rd-subs-active '(archlinux commandline DistroTube DoomEmacs emacs freesoftware lbry linux linux4noobs linuxmasterrace linnuxquestions orgmode qutebrowser suckless Ubuntu unixporn UsabilityPorn vim xmonad))

RSS READER (elfeed)

An RSS newsfeed reader for Emacs.

(custom-set-variables
 '(elfeed-feeds
   (quote
    (("https://www.reddit.com/r/linux.rss" reddit linux)
     ("https://www.gamingonlinux.com/article_rss.php" gaming linux)
     ("https://hackaday.com/blog/feed/" hackaday linux)
     ("https://opensource.com/feed" opensource linux)
     ("https://linux.softpedia.com/backend.xml" softpedia linux)
     ("https://itsfoss.com/feed/" itsfoss linux)
     ("https://www.zdnet.com/topic/linux/rss.xml" zdnet linux)
     ("https://www.phoronix.com/rss.php" phoronix linux)
     ("http://feeds.feedburner.com/d0od" omgubuntu linux)
     ("https://www.computerworld.com/index.rss" computerworld linux)
     ("https://www.networkworld.com/category/linux/index.rss" networkworld linux)
     ("https://www.techrepublic.com/rssfeeds/topic/open-source/" techrepublic linux)
     ("https://betanews.com/feed" betanews linux)
     ("http://lxer.com/module/newswire/headlines.rss" lxer linux)
     ("https://distrowatch.com/news/dwd.xml" distrowatch linux)))))