diff options
Diffstat (limited to 'tools/emacs')
| -rw-r--r-- | tools/emacs/.gitignore | 11 | ||||
| -rw-r--r-- | tools/emacs/README.md | 7 | ||||
| -rw-r--r-- | tools/emacs/config/bindings.el | 44 | ||||
| -rw-r--r-- | tools/emacs/config/custom.el | 52 | ||||
| -rw-r--r-- | tools/emacs/config/desktop.el | 213 | ||||
| -rw-r--r-- | tools/emacs/config/eshell-setup.el | 68 | ||||
| -rw-r--r-- | tools/emacs/config/functions.el | 241 | ||||
| -rw-r--r-- | tools/emacs/config/init.el | 229 | ||||
| -rw-r--r-- | tools/emacs/config/look-and-feel.el | 114 | ||||
| -rw-r--r-- | tools/emacs/config/mail-setup.el | 83 | ||||
| -rw-r--r-- | tools/emacs/config/modes.el | 36 | ||||
| -rw-r--r-- | tools/emacs/config/settings.el | 50 | ||||
| -rw-r--r-- | tools/emacs/default.nix | 141 |
13 files changed, 1289 insertions, 0 deletions
diff --git a/tools/emacs/.gitignore b/tools/emacs/.gitignore new file mode 100644 index 000000000000..7b666905f847 --- /dev/null +++ b/tools/emacs/.gitignore @@ -0,0 +1,11 @@ +.smex-items +*token* +auto-save-list/ +clones/ +elpa/ +irc.el +local.el +other/ +scripts/ +themes/ +*.elc diff --git a/tools/emacs/README.md b/tools/emacs/README.md new file mode 100644 index 000000000000..5c667333962e --- /dev/null +++ b/tools/emacs/README.md @@ -0,0 +1,7 @@ +tools/emacs +=========== + +This sub-folder builds my Emacs configuration, supplying packages from +Nix and configuration from this folder. + +I use Emacs for many things (including as my desktop environment). diff --git a/tools/emacs/config/bindings.el b/tools/emacs/config/bindings.el new file mode 100644 index 000000000000..e77af338951f --- /dev/null +++ b/tools/emacs/config/bindings.el @@ -0,0 +1,44 @@ +;; Font size +(define-key global-map (kbd "C-=") 'increase-default-text-scale) ;; '=' because there lies '+' +(define-key global-map (kbd "C--") 'decrease-default-text-scale) +(define-key global-map (kbd "C-x C-0") 'set-default-text-scale) + +;; What does <tab> do? Well, it depends ... +(define-key prog-mode-map (kbd "<tab>") #'company-indent-or-complete-common) + +;; imenu instead of insert-file +(global-set-key (kbd "C-x i") 'imenu) + +;; Window switching. (C-x o goes to the next window) +(windmove-default-keybindings) ;; Shift+direction + +;; Start eshell or switch to it if it's active. +(global-set-key (kbd "C-x m") 'eshell) + +;; Start a new eshell even if one is active. +(global-set-key (kbd "C-x C-p") 'ivy-browse-repositories) +(global-set-key (kbd "M-g M-g") 'goto-line-with-feedback) + +;; Miscellaneous editing commands +(global-set-key (kbd "C-c w") 'whitespace-cleanup) +(global-set-key (kbd "C-c a") 'align-regexp) +(global-set-key (kbd "C-c m") 'mc/mark-dwim) + +;; Browse URLs (very useful for Gitlab's SSH output!) +(global-set-key (kbd "C-c b p") 'browse-url-at-point) +(global-set-key (kbd "C-c b b") 'browse-url) + +;; C-x REALLY QUIT (idea by @magnars) +(global-set-key (kbd "C-x r q") 'save-buffers-kill-terminal) +(global-set-key (kbd "C-x C-c") 'ignore) + +;; Open Fefes Blog +(global-set-key (kbd "C-c C-f") 'fefes-blog) + +;; Open a file in project: +(global-set-key (kbd "C-c f") 'project-find-file) + +;; Insert TODO comments +(global-set-key (kbd "C-c t") 'insert-todo-comment) + +(provide 'bindings) diff --git a/tools/emacs/config/custom.el b/tools/emacs/config/custom.el new file mode 100644 index 000000000000..a157c7a5fa37 --- /dev/null +++ b/tools/emacs/config/custom.el @@ -0,0 +1,52 @@ +(custom-set-variables + ;; custom-set-variables was added by Custom. + ;; If you edit it by hand, you could mess it up, so be careful. + ;; Your init file should contain only one such instance. + ;; If there is more than one, they won't work right. + '(ac-auto-show-menu 0.8) + '(ac-delay 0.2) + '(avy-background t) + '(cargo-process--custom-path-to-bin "env CARGO_INCREMENTAL=1 cargo") + '(cargo-process--enable-rust-backtrace 1) + '(company-auto-complete (quote (quote company-explicit-action-p))) + '(company-idle-delay 0.5) + '(custom-enabled-themes (quote (gruber-darker))) + '(custom-safe-themes + (quote + ("d61fc0e6409f0c2a22e97162d7d151dee9e192a90fa623f8d6a071dbf49229c6" "3c83b3676d796422704082049fc38b6966bcad960f896669dfc21a7a37a748fa" "89336ca71dae5068c165d932418a368a394848c3b8881b2f96807405d8c6b5b6" default))) + '(display-time-default-load-average nil) + '(display-time-interval 30) + '(elnode-send-file-program "/run/current-system/sw/bin/cat") + '(frame-brackground-mode (quote dark)) + '(global-auto-complete-mode t) + '(kubernetes-commands-display-buffer-function (quote display-buffer)) + '(lsp-gopls-server-path "/home/tazjin/go/bin/gopls") + '(magit-log-show-gpg-status t) + '(ns-alternate-modifier (quote none)) + '(ns-command-modifier (quote control)) + '(ns-right-command-modifier (quote meta)) + '(require-final-newline (quote visit-save)) + '(tls-program (quote ("gnutls-cli --x509cafile %t -p %p %h")))) +(custom-set-faces + ;; custom-set-faces was added by Custom. + ;; If you edit it by hand, you could mess it up, so be careful. + ;; Your init file should contain only one such instance. + ;; If there is more than one, they won't work right. + '(default ((t (:foreground "#e4e4ef" :background "#181818")))) + '(rainbow-delimiters-depth-1-face ((t (:foreground "#2aa198")))) + '(rainbow-delimiters-depth-2-face ((t (:foreground "#b58900")))) + '(rainbow-delimiters-depth-3-face ((t (:foreground "#268bd2")))) + '(rainbow-delimiters-depth-4-face ((t (:foreground "#dc322f")))) + '(rainbow-delimiters-depth-5-face ((t (:foreground "#859900")))) + '(rainbow-delimiters-depth-6-face ((t (:foreground "#268bd2")))) + '(rainbow-delimiters-depth-7-face ((t (:foreground "#cb4b16")))) + '(rainbow-delimiters-depth-8-face ((t (:foreground "#d33682")))) + '(rainbow-delimiters-depth-9-face ((t (:foreground "#839496")))) + '(term-color-black ((t (:background "#282828" :foreground "#282828")))) + '(term-color-blue ((t (:background "#96a6c8" :foreground "#96a6c8")))) + '(term-color-cyan ((t (:background "#1fad83" :foreground "#1fad83")))) + '(term-color-green ((t (:background "#73c936" :foreground "#73c936")))) + '(term-color-magenta ((t (:background "#9e95c7" :foreground "#9e95c7")))) + '(term-color-red ((t (:background "#f43841" :foreground "#f43841")))) + '(term-color-white ((t (:background "#f5f5f5" :foreground "#f5f5f5")))) + '(term-color-yellow ((t (:background "#ffdd33" :foreground "#ffdd33"))))) diff --git a/tools/emacs/config/desktop.el b/tools/emacs/config/desktop.el new file mode 100644 index 000000000000..d923ab584c75 --- /dev/null +++ b/tools/emacs/config/desktop.el @@ -0,0 +1,213 @@ +;; -*- lexical-binding: t; -*- +;; +;; Configure desktop environment settings, including both +;; window-management (EXWM) as well as additional system-wide +;; commands. + +(require 's) +(require 'f) +(require 'dash) +(require 'exwm) +(require 'exwm-config) +(require 'exwm-randr) +(require 'exwm-systemtray) + +(defun pactl (cmd) + (shell-command (concat "pactl " cmd)) + (message "Volume command: %s" cmd)) + +(defun volume-mute () (interactive) (pactl "set-sink-mute @DEFAULT_SINK@ toggle")) +(defun volume-up () (interactive) (pactl "set-sink-volume @DEFAULT_SINK@ +5%")) +(defun volume-down () (interactive) (pactl "set-sink-volume @DEFAULT_SINK@ -5%")) + +(defun brightness-up () + (interactive) + (shell-command "xbacklight -inc 5") + (message "Brightness increased")) + +(defun brightness-down () + (interactive) + (shell-command "xbacklight -dec 5") + (message "Brightness decreased")) + +(defun lock-screen () + (interactive) + ;; A sudoers configuration is in place that lets me execute this + ;; particular command without having to enter a password. + ;; + ;; The reason for things being set up this way is that I want + ;; xsecurelock.service to be started as a system-wide service that + ;; is tied to suspend.target. + (shell-command "/usr/bin/sudo /usr/bin/systemctl start xsecurelock.service")) + +(defun generate-randr-config (primary secondary) + (-flatten `(,(-map (lambda (n) (list n primary)) (number-sequence 1 7)) + (0 secondary) + ,(-map (lambda (n) (list n secondary)) (number-sequence 8 9))))) + +(defun randr-layout-dp1-extend () + "Layout for connecting my X1 Carbon to my screen at home." + + (interactive) + (setq exwm-randr-workspace-monitor-plist (generate-randr-config "DP1-1" "eDP1")) + (exwm-randr-refresh) + (shell-command "xrandr --output DP1-1 --right-of eDP1 --auto --primary")) + +(defun randr-layout-hdmi1-extend () + "Office layout for The Big Screen(tm)" + + (interactive) + (setq exwm-randr-workspace-monitor-plist (generate-randr-config "HDMI1" "eDP1")) + (exwm-randr-refresh) + (shell-command "xrandr --output HDMI1 --dpi 144 --auto --right-of eDP1 --primary") + (set-default-text-scale nil 165)) + +(defun randr-layout-single () + "Laptop screen only!" + + (interactive) + (shell-command "xrandr --output HDMI1 --off") + (shell-command "xrandr --output DP1-1 --off") + (exwm-randr-refresh) + (set-default-text-scale nil)) + +(defun set-xkb-layout (layout) + "Set the current X keyboard layout." + + (shell-command (format "setxkbmap %s" layout)) + (message "Set X11 keyboard layout to '%s'" layout)) + +(defun create-window-name () + "Construct window names to be used for EXWM buffers by + inspecting the window's X11 class and title. + + A lot of commonly used applications either create titles that + are too long by default, or in the case of web + applications (such as Cider) end up being constructed in + awkward ways. + + To avoid this issue, some rewrite rules are applied for more + human-accessible titles." + + (pcase (list (or exwm-class-name "unknown") (or exwm-title "unknown")) + ;; In Cider windows, rename the class and keep the workspace/file + ;; as the title. + (`("Google-chrome" ,(and (pred (lambda (title) (s-ends-with? " - Cider" title))) title)) + (format "Cider<%s>" (s-chop-suffix " - Cider" title))) + + ;; Attempt to detect IRCCloud windows via their title, which is a + ;; combination of the channel name and network. + ;; + ;; This is what would often be referred to as a "hack". The regexp + ;; will not work if a network connection buffer is selected in + ;; IRCCloud, but since the title contains no other indication that + ;; we're dealing with an IRCCloud window + (`("Google-chrome" + ,(and (pred (lambda (title) + (s-matches? "^[\*\+]\s#[a-zA-Z0-9/\-]+\s\|\s[a-zA-Z\.]+$" title))) + title)) + (format "IRCCloud<%s>" title)) + + ;; For other Chrome windows, make the title shorter. + (`("Google-chrome" ,title) + (format "Chrome<%s>" (s-truncate 42 (s-chop-suffix " - Google Chrome" title)))) + + ;; Gnome-terminal -> Term + (`("Gnome-terminal" ,title) + ;; fish-shell buffers contain some unnecessary whitespace and + ;; such before the current working directory. This can be + ;; stripped since most of my terminals are fish shells anyways. + (format "Term<%s>" (s-trim-left (s-chop-prefix "fish" title)))) + + ;; For any other application, a name is constructed from the + ;; window's class and name. + (`(,class ,title) (format "%s<%s>" class (s-truncate 12 title))))) + +;; EXWM launch configuration +;; +;; This used to use use-package, but when something breaks use-package +;; it doesn't exactly make debugging any easier. + +(let ((titlef (lambda () + (exwm-workspace-rename-buffer (create-window-name))))) + (add-hook 'exwm-update-class-hook titlef) + (add-hook 'exwm-update-title-hook titlef)) + +(fringe-mode 3) +(exwm-enable) + +;; 's-N': Switch to certain workspace +(setq exwm-workspace-number 10) +(dotimes (i 10) + (exwm-input-set-key (kbd (format "s-%d" i)) + `(lambda () + (interactive) + (exwm-workspace-switch-create ,i)))) + +;; Launch applications / any command with completion (dmenu style!) +(exwm-input-set-key (kbd "s-d") #'counsel-linux-app) +(exwm-input-set-key (kbd "s-x") #'ivy-run-external-command) +(exwm-input-set-key (kbd "s-p") #'ivy-password-store) + +;; Add X11 terminal selector to a key +(exwm-input-set-key (kbd "C-x t") #'ts/switch-to-terminal) + +;; Toggle between line-mode / char-mode +(exwm-input-set-key (kbd "C-c C-t C-t") #'exwm-input-toggle-keyboard) + +;; Volume keys +(exwm-input-set-key (kbd "<XF86AudioMute>") #'volume-mute) +(exwm-input-set-key (kbd "<XF86AudioRaiseVolume>") #'volume-up) +(exwm-input-set-key (kbd "<XF86AudioLowerVolume>") #'volume-down) + +;; Brightness keys +(exwm-input-set-key (kbd "<XF86MonBrightnessDown>") #'brightness-down) +(exwm-input-set-key (kbd "<XF86MonBrightnessUp>") #'brightness-up) +(exwm-input-set-key (kbd "<XF86Display>") #'lock-screen) + +;; Keyboard layouts (these are bound separately in Cyrillic +;; because I don't use reverse-im) +;; (-map +;; (lambda (pair) +;; (exwm-input-set-key +;; (kbd (format "s-%s" (cadr pair))) +;; `(lambda () (interactive) (set-xkb-layout ,(car pair))))) +;; '(("de" "k d") +;; ("de" "л в") +;; ("no" "k n") +;; ("no" "л т") +;; ("ru" "k r") +;; ("ru" "л к") +;; ("us" "k u") +;; ("us" "л г"))) + +;; Line-editing shortcuts +(exwm-input-set-simulation-keys + '(([?\C-d] . delete) + ([?\C-w] . ?\C-c))) + +;; Show time & battery status in the mode line +(display-time-mode) +(display-battery-mode) + +;; enable display of X11 system tray within Emacs +(exwm-systemtray-enable) + +;; Configure xrandr (multi-monitor setup) +(setq exwm-randr-workspace-monitor-plist (generate-randr-config "HDMI1" "eDP1")) +(exwm-randr-enable) + +;; Let buffers move seamlessly between workspaces by making them +;; accessible in selectors on all frames. +(setq exwm-workspace-show-all-buffers t) +(setq exwm-layout-show-all-buffers t) + +;; Monitor layouts +;; +;; TODO(tazjin): Desired layout should be inferred based on +;; connected screens - autorandr or something? +(exwm-input-set-key (kbd "s-m d") #'randr-layout-dp1-extend) +(exwm-input-set-key (kbd "s-m h") #'randr-layout-hdmi1-extend) +(exwm-input-set-key (kbd "s-m s") #'randr-layout-single) + +(provide 'desktop) diff --git a/tools/emacs/config/eshell-setup.el b/tools/emacs/config/eshell-setup.el new file mode 100644 index 000000000000..0b23c5a2d1bc --- /dev/null +++ b/tools/emacs/config/eshell-setup.el @@ -0,0 +1,68 @@ +;; EShell configuration + +(require 'eshell) + +;; Generic settings +;; Hide banner message ... +(setq eshell-banner-message "") + +;; Prompt configuration +(defun clean-pwd (path) + "Turns a path of the form /foo/bar/baz into /f/b/baz + (inspired by fish shell)" + (let* ((hpath (replace-regexp-in-string home-dir + "~" + path)) + (current-dir (split-string hpath "/")) + (cdir (last current-dir)) + (head (butlast current-dir))) + (concat (mapconcat (lambda (s) + (if (string= "" s) nil + (substring s 0 1))) + head + "/") + (if head "/" nil) + (car cdir)))) + +(defun vcprompt (&optional args) + "Call the external vcprompt command with optional arguments. + VCPrompt" + (replace-regexp-in-string + "\n" "" + (shell-command-to-string (concat "vcprompt" args)))) + +(defmacro with-face (str &rest properties) + `(propertize ,str 'face (list ,@properties))) + +(defun prompt-f () + "EShell prompt displaying VC info and such" + (concat + (with-face (concat (clean-pwd (eshell/pwd)) " ") :foreground "#96a6c8") + (if (= 0 (user-uid)) + (with-face "#" :foreground "#f43841") + (with-face "$" :foreground "#73c936")) + (with-face " " :foreground "#95a99f"))) + + +(setq eshell-prompt-function 'prompt-f) +(setq eshell-highlight-prompt nil) +(setq eshell-prompt-regexp "^.+? \\((\\(git\\|svn\\|hg\\|darcs\\|cvs\\|bzr\\):.+?) \\)?[$#] ") + +;; Ignore version control folders in autocompletion +(setq eshell-cmpl-cycle-completions nil + eshell-save-history-on-exit t + eshell-cmpl-dir-ignore "\\`\\(\\.\\.?\\|CVS\\|\\.svn\\|\\.git\\)/\\'") + +;; Load some EShell extensions +(eval-after-load 'esh-opt + '(progn + (require 'em-term) + (require 'em-cmpl) + ;; More visual commands! + (add-to-list 'eshell-visual-commands "ssh") + (add-to-list 'eshell-visual-commands "tail") + (add-to-list 'eshell-visual-commands "sl"))) + +(setq eshell-directory-name "~/.config/eshell/") + +(provide 'eshell-setup) diff --git a/tools/emacs/config/functions.el b/tools/emacs/config/functions.el new file mode 100644 index 000000000000..a7889ca915bc --- /dev/null +++ b/tools/emacs/config/functions.el @@ -0,0 +1,241 @@ +(defun load-file-if-exists (filename) + (if (file-exists-p filename) + (load filename))) + +(defun goto-line-with-feedback () + "Show line numbers temporarily, while prompting for the line number input" + (interactive) + (unwind-protect + (progn + (setq-local display-line-numbers t) + (let ((target (read-number "Goto line: "))) + (avy-push-mark) + (goto-line target))) + (setq-local display-line-numbers nil))) + +;; These come from the emacs starter kit + +(defun esk-add-watchwords () + (font-lock-add-keywords + nil '(("\\<\\(FIX\\(ME\\)?\\|TODO\\|DEBUG\\|HACK\\|REFACTOR\\|NOCOMMIT\\)" + 1 font-lock-warning-face t)))) + +(defun esk-sudo-edit (&optional arg) + (interactive "p") + (if (or arg (not buffer-file-name)) + (find-file (concat "/sudo:root@localhost:" (read-file-name "File: "))) + (find-alternate-file (concat "/sudo:root@localhost:" buffer-file-name)))) + +;; Open Fefes blog +(defun fefes-blog () + (interactive) + (eww "https://blog.fefe.de/")) + +;; Open the NixOS man page +(defun nixos-man () + (interactive) + (man "configuration.nix")) + +;; Open my monorepo in magit +(defun depot-status () + (interactive) + (magit-status "~/depot")) + +;; Get the nix store path for a given derivation. +;; If the derivation has not been built before, this will trigger a build. +(defun nix-store-path (derivation) + (let ((expr (concat "with import <nixos> {}; " derivation))) + (s-chomp (shell-command-to-string (concat "nix-build -E '" expr "'"))))) + +(defun insert-nix-store-path () + (interactive) + (let ((derivation (read-string "Derivation name (in <nixos>): "))) + (insert (nix-store-path derivation)))) + +(defun toggle-force-newline () + "Buffer-local toggle for enforcing final newline on save." + (interactive) + (setq-local require-final-newline (not require-final-newline)) + (message "require-final-newline in buffer %s is now %s" + (buffer-name) + require-final-newline)) + +;; Helm includes a command to run external applications, which does +;; not seem to exist in ivy. This implementation uses some of the +;; logic from Helm to provide similar functionality using ivy. +(defun list-external-commands () + "Creates a list of all external commands available on $PATH + while filtering NixOS wrappers." + (cl-loop + for dir in (split-string (getenv "PATH") path-separator) + when (and (file-exists-p dir) (file-accessible-directory-p dir)) + for lsdir = (cl-loop for i in (directory-files dir t) + for bn = (file-name-nondirectory i) + when (and (not (s-contains? "-wrapped" i)) + (not (member bn completions)) + (not (file-directory-p i)) + (file-executable-p i)) + collect bn) + append lsdir into completions + finally return (sort completions 'string-lessp))) + +(defvar external-command-flag-overrides + '(("google-chrome" . "--force-device-scale-factor=1.4")) + + "This setting lets me add additional flags to specific commands + that are run interactively via `ivy-run-external-command'.") + +(defun run-external-command (cmd) + "Execute the specified command and notify the user when it + finishes." + (let* ((extra-flags (cdr (assoc cmd external-command-flag-overrides))) + (cmd (if extra-flags (s-join " " (list cmd extra-flags)) cmd))) + (message "Starting %s..." cmd) + (set-process-sentinel + (start-process-shell-command cmd nil cmd) + (lambda (process event) + (when (string= event "finished\n") + (message "%s process finished." process)))))) + +(defun ivy-run-external-command () + "Prompts the user with a list of all installed applications and + lets them select one to launch." + + (interactive) + (let ((external-commands-list (list-external-commands))) + (ivy-read "Command:" external-commands-list + :require-match t + :history 'external-commands-history + :action #'run-external-command))) + +(defun ivy-password-store (&optional password-store-dir) + "Custom version of password-store integration with ivy that + actually uses the GPG agent correctly." + + (interactive) + (ivy-read "Copy password of entry: " + (password-store-list (or password-store-dir (password-store-dir))) + :require-match t + :keymap ivy-pass-map + :action (lambda (entry) + (let ((password (auth-source-pass-get 'secret entry))) + (password-store-clear) + (kill-new password) + (setq password-store-kill-ring-pointer kill-ring-yank-pointer) + (message "Copied %s to the kill ring. Will clear in %s seconds." + entry (password-store-timeout)) + (setq password-store-timeout-timer + (run-at-time (password-store-timeout) + nil 'password-store-clear)))))) + +(defun ivy-browse-repositories () + "Select a git repository and open its associated magit buffer." + + (interactive) + (ivy-read "Repository: " + (magit-list-repos) + :require-match t + :sort t + :action #'magit-status)) + +(defun bottom-right-window-p () + "Determines whether the last (i.e. bottom-right) window of the + active frame is showing the buffer in which this function is + executed." + (let* ((frame (selected-frame)) + (right-windows (window-at-side-list frame 'right)) + (bottom-windows (window-at-side-list frame 'bottom)) + (last-window (car (seq-intersection right-windows bottom-windows)))) + (eq (current-buffer) (window-buffer last-window)))) + +(defhydra mc/mark-more-hydra (:color pink) + ("<up>" mmlte--up "Mark previous like this") + ("<down>" mc/mmlte--down "Mark next like this") + ("<left>" mc/mmlte--left (if (eq mc/mark-more-like-this-extended-direction 'up) + "Skip past the cursor furthest up" + "Remove the cursor furthest down")) + ("<right>" mc/mmlte--right (if (eq mc/mark-more-like-this-extended-direction 'up) + "Remove the cursor furthest up" + "Skip past the cursor furthest down")) + ("f" nil "Finish selecting")) + +;; Mute the message that mc/mmlte wants to print on its own +(advice-add 'mc/mmlte--message :around (lambda (&rest args) (ignore))) + +(defun mc/mark-dwim (arg) + "Select multiple things, but do what I mean." + + (interactive "p") + (if (not (region-active-p)) (mc/mark-next-lines arg) + (if (< 1 (count-lines (region-beginning) + (region-end))) + (mc/edit-lines arg) + ;; The following is almost identical to `mc/mark-more-like-this-extended', + ;; but uses a hydra (`mc/mark-more-hydra') instead of a transient key map. + (mc/mmlte--down) + (mc/mark-more-hydra/body)))) + +(defun memespace-region () + "Make a meme out of it." + + (interactive) + (let* ((start (region-beginning)) + (end (region-end)) + (memed + (message + (s-trim-right + (apply #'string + (-flatten + (nreverse + (-reduce-from (lambda (acc x) + (cons (cons x (-repeat (+ 1 (length acc)) 32)) acc)) + '() + (string-to-list (buffer-substring-no-properties start end)))))))))) + + (save-excursion (delete-region start end) + (goto-char start) + (insert memed)))) + +(defun insert-todo-comment (prefix todo) + "Insert a comment at point with something for me to do." + + (interactive "P\nsWhat needs doing? ") + (save-excursion + (move-end-of-line nil) + (insert (format " %s TODO(%s): %s" + (s-trim-right comment-start) + (if prefix (read-string "Who needs to do this? ") + (getenv "USER")) + todo)))) + +;; Custom text scale adjustment functions that operate on the entire instance +(defun modify-text-scale (factor) + (set-face-attribute 'default nil + :height (+ (* factor 5) (face-attribute 'default :height)))) + +(defun increase-default-text-scale (prefix) + "Increase default text scale in all Emacs frames, or just the + current frame if PREFIX is set." + + (interactive "P") + (if prefix (text-scale-increase 1) + (modify-text-scale 1))) + +(defun decrease-default-text-scale (prefix) + "Increase default text scale in all Emacs frames, or just the + current frame if PREFIX is set." + + (interactive "P") + (if prefix (text-scale-decrease 1) + (modify-text-scale -1))) + +(defun set-default-text-scale (prefix &optional to) + "Set the default text scale to the specified value, or the + default. Restores current frame's text scale only, if PREFIX is + set." + + (interactive "P") + (if prefix (text-scale-adjust 0) + (set-face-attribute 'default nil :height (or to 120)))) + +(provide 'functions) diff --git a/tools/emacs/config/init.el b/tools/emacs/config/init.el new file mode 100644 index 000000000000..eac109f985d0 --- /dev/null +++ b/tools/emacs/config/init.el @@ -0,0 +1,229 @@ +;;; init.el --- Package bootstrapping. -*- lexical-binding: t; -*- + +;; Packages are installed via Nix configuration, this file only +;; initialises the newly loaded packages. + +(require 'use-package) +(require 'seq) + +(package-initialize) + +;; Initialise all packages installed via Nix. +;; +;; TODO: Generate this section in Nix for all packages that do not +;; require special configuration. + +;; +;; Packages providing generic functionality. +;; + +(use-package ace-window + :bind (("C-x o" . ace-window)) + :config + (setq aw-keys '(?f ?j ?d ?k ?s ?l ?a) + aw-scope 'frame)) + +(use-package auth-source-pass :config (auth-source-pass-enable)) + +(use-package avy + :bind (("M-j" . avy-goto-char) + ("M-p" . avy-pop-mark) + ("M-g g" . avy-goto-line))) + +(use-package browse-kill-ring) + +(use-package company + :hook ((prog-mode . company-mode)) + :config (setq company-tooltip-align-annotations t)) + +(use-package counsel + :after (ivy) + :config (counsel-mode 1) + :bind (("C-c r g" . counsel-rg))) + +(use-package dash) +(use-package dash-functional) + +(use-package dottime + :demand + :after (notmuch telega) + :config (dottime-display-mode t)) + +(use-package gruber-darker-theme) +(use-package ht) +(use-package hydra) +(use-package idle-highlight-mode :hook ((prog-mode . idle-highlight-mode))) + +(use-package ivy + :config + (ivy-mode 1) + (setq enable-recursive-minibuffers t) + (setq ivy-use-virtual-buffers t)) + +(use-package ivy-pass :after (ivy)) + +(use-package ivy-prescient + :after (ivy prescient) + :config + (ivy-prescient-mode) + ;; Fixes an issue with how regexes are passed to ripgrep from counsel, + ;; see raxod502/prescient.el#43 + (setf (alist-get 'counsel-rg ivy-re-builders-alist) #'ivy--regex-plus)) + +(use-package multiple-cursors) + +(use-package notmuch + :bind (:map global-map ("s-g m" . notmuch)) ;; g m -> gmail + :config + (setq notmuch-search-oldest-first nil)) + +(use-package paredit :hook ((lisp-mode . paredit-mode) + (emacs-lisp-mode . paredit-mode))) + +(use-package pinentry + :config + (setq epa-pinentry-mode 'loopback) + (pinentry-start)) + +(use-package prescient + :after (ivy counsel) + :config (prescient-persist-mode)) + +(use-package rainbow-delimiters :hook (prog-mode . rainbow-delimiters-mode)) +(use-package rainbow-mode) +(use-package s) +(use-package string-edit) + +(use-package swiper + :after (counsel ivy) + :bind (("C-s" . swiper))) + +(use-package telephone-line) ;; configuration happens outside of use-package +(use-package term-switcher) +(use-package undo-tree :config (global-undo-tree-mode)) +(use-package uuidgen) +(use-package which-key :config (which-key-mode t)) + +;; +;; Applications in emacs +;; + +(use-package magit + :bind ("C-c g" . magit-status) + :config (setq magit-repository-directories '(("/home/tazjin/projects" . 2) + ("/home/tazjin" . 1)))) + +(use-package password-store) +(use-package pg) +(use-package restclient) + +(use-package vterm + :config (progn + (setq vterm-shell "fish") + (setq vterm-exit-functions + (lambda (&rest _) (kill-buffer (current-buffer)))) + (setq vterm-set-title-functions + (lambda (title) + (rename-buffer + (generate-new-buffer-name + (format "vterm<%s>" + (s-trim-left + (s-chop-prefix "fish" title))))))))) + +;; +;; Packages providing language-specific functionality +;; + +(use-package cargo + :hook ((rust-mode . cargo-minor-mode) + (cargo-process-mode . visual-line-mode)) + :bind (:map cargo-minor-mode-map ("C-c C-c C-l" . ignore))) + +(use-package dockerfile-mode) + +(use-package erlang + :hook ((erlang-mode . (lambda () + ;; Don't indent after '>' while I'm writing + (local-set-key ">" 'self-insert-command))))) + +(use-package f) + +(use-package go-mode + :bind (:map go-mode-map ("C-c C-r" . recompile)) + :hook ((go-mode . (lambda () + (setq tab-width 2) + (setq-local compile-command + (concat "go build " buffer-file-name)))))) + +(use-package haskell-mode) + +(use-package jq-mode + :config (add-to-list 'auto-mode-alist '("\\.jq\\'" . jq-mode))) + +(use-package kotlin-mode + :hook ((kotlin-mode . (lambda () + (setq indent-line-function #'indent-relative))))) + +(use-package lsp-mode) + +(use-package markdown-mode + :config + (add-to-list 'auto-mode-alist '("\\.txt\\'" . markdown-mode)) + (add-to-list 'auto-mode-alist '("\\.markdown\\'" . markdown-mode)) + (add-to-list 'auto-mode-alist '("\\.md\\'" . markdown-mode))) + +(use-package markdown-toc) + +(use-package nix-mode + :hook ((nix-mode . (lambda () + (setq indent-line-function #'nix-indent-line))))) + +(use-package nix-util) +(use-package nginx-mode) +(use-package rust-mode) + +(use-package telega + :bind (:map global-map ("s-t" . telega)) + :config (telega-mode-line-mode 1)) + +(use-package terraform-mode) +(use-package toml-mode) +(use-package web-mode) +(use-package yaml-mode) + +;; Configuration changes in `customize` can not actually be persisted +;; to the customise file that Emacs is currently using (since it comes +;; from the Nix store). +;; +;; The way this will work for now is that Emacs will *write* +;; configuration to the file tracked in my repository, while not +;; actually *reading* it from there (unless Emacs is rebuilt). +(setq custom-file (expand-file-name "~/depot/tools/emacs/config/custom.el")) +(load-library "custom") + +(defvar home-dir (expand-file-name "~")) + +;; Seed RNG +(random t) + +;; Load all other Emacs configuration. These configurations are +;; added to `load-path' by Nix. +(mapc 'require '(desktop + mail-setup + look-and-feel + functions + settings + modes + bindings + eshell-setup)) +(telephone-line-setup) +(ace-window-display-mode) + +;; If a local configuration library exists, it should be loaded. +;; +;; This can be provided by calling my Emacs derivation with +;; `withLocalConfig'. +(if-let (local-file (locate-library "local")) + (load local-file)) + +(provide 'init) diff --git a/tools/emacs/config/look-and-feel.el b/tools/emacs/config/look-and-feel.el new file mode 100644 index 000000000000..98716dde6465 --- /dev/null +++ b/tools/emacs/config/look-and-feel.el @@ -0,0 +1,114 @@ +;;; -*- lexical-binding: t; -*- + +;; Hide those ugly tool bars: +(tool-bar-mode 0) +(scroll-bar-mode 0) +(menu-bar-mode 0) +(add-hook 'after-make-frame-functions + (lambda (frame) (scroll-bar-mode 0))) + +;; Don't do any annoying things: +(setq ring-bell-function 'ignore) +(setq initial-scratch-message "") + +;; Remember layout changes +(winner-mode 1) + +;; Usually emacs will run as a proper GUI application, in which case a few +;; extra settings are nice-to-have: +(when window-system + (setq frame-title-format '(buffer-file-name "%f" ("%b"))) + (mouse-wheel-mode t) + (blink-cursor-mode -1)) + +;; Configure editor fonts +(let ((font (format "Input Mono-%d" 12))) + (setq default-frame-alist `((font-backend . "xft") + (font . ,font))) + (set-frame-font font t t)) + +;; Configure telephone-line +(defun telephone-misc-if-last-window () + "Renders the mode-line-misc-info string for display in the + mode-line if the currently active window is the last one in the + frame. + + The idea is to not display information like the current time, + load, battery levels on all buffers." + + (when (bottom-right-window-p) + (telephone-line-raw mode-line-misc-info t))) + +(defun telephone-line-setup () + (telephone-line-defsegment telephone-line-last-window-segment () + (telephone-misc-if-last-window)) + + ;; Display the current EXWM workspace index in the mode-line + (telephone-line-defsegment telephone-line-exwm-workspace-index () + (when (bottom-right-window-p) + (format "[%s]" exwm-workspace-current-index))) + + ;; Define a highlight font for ~ important ~ information in the last + ;; window. + (defface special-highlight '((t (:foreground "white" :background "#5f627f"))) "") + (add-to-list 'telephone-line-faces + '(highlight . (special-highlight . special-highlight))) + + (setq telephone-line-lhs + '((nil . (telephone-line-position-segment)) + (accent . (telephone-line-buffer-segment)))) + + (setq telephone-line-rhs + '((accent . (telephone-line-major-mode-segment)) + (nil . (telephone-line-last-window-segment + telephone-line-exwm-workspace-index)) + + ;; TODO(tazjin): lets not do this particular thing while I + ;; don't actually run notmuch, there are too many things + ;; that have a dependency on the modeline drawing correctly + ;; (including randr operations!) + ;; + ;; (highlight . (telephone-line-notmuch-counts)) + )) + + (setq telephone-line-primary-left-separator 'telephone-line-tan-left + telephone-line-primary-right-separator 'telephone-line-tan-right + telephone-line-secondary-left-separator 'telephone-line-tan-hollow-left + telephone-line-secondary-right-separator 'telephone-line-tan-hollow-right) + + (telephone-line-mode 1)) + +;; Auto refresh buffers +(global-auto-revert-mode 1) + +;; Use clipboard properly +(setq select-enable-clipboard t) + +;; Show in-progress chords in minibuffer +(setq echo-keystrokes 0.1) + +;; Show column numbers in all buffers +(column-number-mode t) + +(defalias 'yes-or-no-p 'y-or-n-p) +(defalias 'auto-tail-revert-mode 'tail-mode) + +;; Style line numbers (shown with M-g g) +(setq linum-format + (lambda (line) + (propertize + (format (concat " %" + (number-to-string + (length (number-to-string + (line-number-at-pos (point-max))))) + "d ") + line) + 'face 'linum))) + +;; Display tabs as 2 spaces +(setq tab-width 2) + +;; Don't wrap around when moving between buffers +(setq windmove-wrap-around nil) + +(provide 'look-and-feel) diff --git a/tools/emacs/config/mail-setup.el b/tools/emacs/config/mail-setup.el new file mode 100644 index 000000000000..1167bcadd372 --- /dev/null +++ b/tools/emacs/config/mail-setup.el @@ -0,0 +1,83 @@ +(require 'notmuch) +(require 'counsel-notmuch) + +;; (global-set-key (kbd "C-c m") 'notmuch-hello) +;; (global-set-key (kbd "C-c C-m") 'counsel-notmuch) +;; (global-set-key (kbd "C-c C-e n") 'notmuch-mua-new-mail) + +(setq notmuch-cache-dir (format "%s/.cache/notmuch" (getenv "HOME"))) +(make-directory notmuch-cache-dir t) + +;; Cache addresses for completion: +(setq notmuch-address-save-filename (concat notmuch-cache-dir "/addresses")) + +;; Don't spam my home folder with drafts: +(setq notmuch-draft-folder "drafts") ;; relative to notmuch database + +;; Mark things as read when archiving them: +(setq notmuch-archive-tags '("-inbox" "-unread" "+archive")) + +;; Show me saved searches that I care about: +(setq notmuch-saved-searches + '((:name "inbox" :query "tag:inbox" :count-query "tag:inbox AND tag:unread" :key "i") + (:name "sent" :query "tag:sent" :key "t") + (:name "drafts" :query "tag:draft"))) +(setq notmuch-show-empty-saved-searches t) + +;; Mail sending configuration +(setq send-mail-function 'sendmail-send-it) ;; sendmail provided by MSMTP +(setq notmuch-always-prompt-for-sender t) +(setq notmuch-mua-user-agent-function + (lambda () (format "Emacs %s; notmuch.el %s" emacs-version notmuch-emacs-version))) +(setq mail-host-address (system-name)) +(setq notmuch-mua-cite-function #'message-cite-original-without-signature) +(setq notmuch-fcc-dirs nil) ;; Gmail does this server-side +(setq message-signature nil) ;; Insert message signature manually with C-c C-w + +;; Close mail buffers after sending mail +(setq message-kill-buffer-on-exit t) + +;; Ensure sender is correctly passed to msmtp +(setq mail-specify-envelope-from t + message-sendmail-envelope-from 'header + mail-envelope-from 'header) + +;; Store sent mail in the correct folder per account +(setq notmuch-maildir-use-notmuch-insert nil) + +;; I don't use drafts but I instinctively hit C-x C-s constantly, lets +;; handle that gracefully. +(define-key notmuch-message-mode-map (kbd "C-x C-s") #'ignore) + +;; Define a telephone-line segment for displaying the count of unread, +;; important mails in the last window's mode-line: +(defvar *last-notmuch-count-redraw* 0) +(defvar *current-notmuch-count* nil) + +(defun update-display-notmuch-counts () + "Update and render the current state of the notmuch unread + count for display in the mode-line. + + The offlineimap-timer runs every 2 minutes, so it does not make + sense to refresh this much more often than that." + + (when (> (- (float-time) *last-notmuch-count-redraw*) 30) + (setq *last-notmuch-count-redraw* (float-time)) + (let* ((inbox-unread (notmuch-saved-search-count "tag:inbox and tag:unread")) + (notmuch-count (format "I: %s; D: %s" inbox-unread))) + (setq *current-notmuch-count* notmuch-count))) + + (when (and (bottom-right-window-p) + ;; Only render if the initial update is done and there + ;; are unread mails: + *current-notmuch-count* + (not (equal *current-notmuch-count* "I: 0; D: 0"))) + *current-notmuch-count*)) + +(telephone-line-defsegment telephone-line-notmuch-counts () + "This segment displays the count of unread notmuch messages in + the last window's mode-line (if unread messages are present)." + + (update-display-notmuch-counts)) + +(provide 'mail-setup) diff --git a/tools/emacs/config/modes.el b/tools/emacs/config/modes.el new file mode 100644 index 000000000000..8d47f2f9a531 --- /dev/null +++ b/tools/emacs/config/modes.el @@ -0,0 +1,36 @@ +;; Initializes modes I use. + +(add-hook 'prog-mode-hook 'esk-add-watchwords) +(add-hook 'prog-mode-hook 'hl-line-mode) + +;; Use auto-complete as completion at point +(defun set-auto-complete-as-completion-at-point-function () + (setq completion-at-point-functions '(auto-complete))) + +(add-hook 'auto-complete-mode-hook + 'set-auto-complete-as-completion-at-point-function) + +;; Enable rainbow-delimiters for all things programming +(add-hook 'prog-mode-hook 'rainbow-delimiters-mode) + +;; Enable Paredit & Company in Emacs Lisp mode +(add-hook 'emacs-lisp-mode-hook 'company-mode) + +;; Always highlight matching brackets +(show-paren-mode 1) + +;; Always auto-close parantheses and other pairs +(electric-pair-mode) + +;; Keep track of recent files +(recentf-mode) + +;; Easily navigate sillycased words +(global-subword-mode 1) + +;; Transparently open compressed files +(auto-compression-mode t) + +;; Show available key chord completions + +(provide 'modes) diff --git a/tools/emacs/config/settings.el b/tools/emacs/config/settings.el new file mode 100644 index 000000000000..274dcdde3554 --- /dev/null +++ b/tools/emacs/config/settings.el @@ -0,0 +1,50 @@ +(require 'uniquify) + +;; Move files to trash when deleting +(setq delete-by-moving-to-trash t) + +;; We don't live in the 80s, but we're also not a shitty web app. +(setq gc-cons-threshold 20000000) + +(setq uniquify-buffer-name-style 'forward) + +; Fix some defaults +(setq visible-bell nil + inhibit-startup-message t + color-theme-is-global t + sentence-end-double-space nil + shift-select-mode nil + uniquify-buffer-name-style 'forward + whitespace-style '(face trailing lines-tail tabs) + whitespace-line-column 80 + default-directory "~" + fill-column 80 + ediff-split-window-function 'split-window-horizontally) + +(add-to-list 'safe-local-variable-values '(lexical-binding . t)) +(add-to-list 'safe-local-variable-values '(whitespace-line-column . 80)) + +(set-default 'indent-tabs-mode nil) + +;; UTF-8 please +(setq locale-coding-system 'utf-8) ; pretty +(set-terminal-coding-system 'utf-8) ; pretty +(set-keyboard-coding-system 'utf-8) ; pretty +(set-selection-coding-system 'utf-8) ; please +(prefer-coding-system 'utf-8) ; with sugar on top + +;; Make emacs behave sanely (overwrite selected text) +(delete-selection-mode 1) + +;; Keep your temporary files in tmp, emacs! +(setq auto-save-file-name-transforms + `((".*" ,temporary-file-directory t))) +(setq backup-directory-alist + `((".*" . ,temporary-file-directory))) + +(remove-hook 'kill-buffer-query-functions 'server-kill-buffer-query-function) + +;; Show time in 24h format +(setq display-time-24hr-format t) + +(provide 'settings) diff --git a/tools/emacs/default.nix b/tools/emacs/default.nix new file mode 100644 index 000000000000..ce515928a279 --- /dev/null +++ b/tools/emacs/default.nix @@ -0,0 +1,141 @@ +# This file builds an Emacs pre-configured with the packages I need +# and my personal Emacs configuration. +# +# On NixOS machines, this Emacs currently does not support +# Imagemagick, see https://github.com/NixOS/nixpkgs/issues/70631. +# +# Forcing Emacs to link against Imagemagick currently causes libvterm +# to segfault, which is a lot less desirable than not having telega +# render images correctly. +{ pkgs, ... }: + +with pkgs; +with third_party.emacsPackagesNg; +with third_party.emacs; + +let + emacsWithPackages = (third_party.emacsPackagesNgGen third_party.emacs26).emacsWithPackages; + + # $PATH for binaries that need to be available to Emacs + emacsBinPath = lib.makeBinPath [ third_party.telega ]; + + identity = x: x; + tazjinsEmacs = pkgfun: (emacsWithPackages(epkgs: pkgfun( + # Actual ELPA packages (the enlightened!) + (with epkgs.elpaPackages; [ + ace-window + avy + pinentry + rainbow-mode + undo-tree + ]) ++ + + # MELPA packages: + (with epkgs.melpaPackages; [ + browse-kill-ring + cargo + clojure-mode + counsel + counsel-notmuch + dash-functional + direnv + dockerfile-mode + elixir-mode + elm-mode + erlang + exwm + go-mode + gruber-darker-theme + haskell-mode + ht + hydra + idle-highlight-mode + intero + ivy + ivy-pass + ivy-prescient + jq-mode + kotlin-mode + lsp-mode + magit + markdown-toc + multi-term + multiple-cursors + nginx-mode + nix-mode + notmuch # this comes from pkgs.third_party + paredit + password-store + pg + prescient + racket-mode + rainbow-delimiters + refine + restclient + request + sly + string-edit + swiper + telega + telephone-line + terraform-mode + toml-mode + transient + use-package + uuidgen + web-mode + websocket + which-key + xelb + yaml-mode + + (vterm.overrideAttrs(_: { + src = third_party.fetchFromGitHub{ + owner = "akermu"; + repo = "emacs-libvterm"; + rev = "58b4cc40ee9872a08fc5cbfee78ad0e195a3306c"; + sha256 = "1w5yfl8nq4k7xyldf0ivzv36vhz3dwdzk6q2vs3xwpx6ljy52px6"; + }; + })) + ]) ++ + + # Custom packages + (with pkgs.tools.emacs-pkgs; [ + carp-mode + dottime + nix-util + term-switcher + ])))); +in lib.fix(self: l: f: third_party.writeShellScriptBin "tazjins-emacs" '' + export PATH="${emacsBinPath}:$PATH" + exec ${tazjinsEmacs f}/bin/emacs \ + --debug-init \ + --no-site-file \ + --no-site-lisp \ + --no-init-file \ + --directory ${./config} ${if l != null then "--directory ${l}" else ""} \ + --eval "(require 'init)" $@ + '' // { + # Call overrideEmacs with a function (pkgs -> pkgs) to modify the + # packages that should be included in this Emacs distribution. + overrideEmacs = f': self l f'; + + # Call withLocalConfig with the path to a *folder* containing a + # `local.el` which provides local system configuration. + withLocalConfig = confDir: self confDir f; + + # Build a derivation that uses the specified local Emacs (i.e. + # built outside of Nix) instead + withLocalEmacs = emacsBin: third_party.writeShellScriptBin "tazjins-emacs" '' + export PATH="${emacsBinPath}:$PATH" + export EMACSLOADPATH="${(tazjinsEmacs f).deps}/share/emacs/site-lisp:" + exec ${emacsBin} \ + --debug-init \ + --no-site-file \ + --no-site-lisp \ + --no-init-file \ + --directory ${./config} \ + ${if l != null then "--directory ${l}" else ""} \ + --eval "(require 'init)" $@ + ''; + }) null identity |