git.shemshak.org - ~bandali/configs/blob - .emacs.d/init.el

   1 ;;; init.el --- bandali's emacs configuration -*- lexical-binding: t -*-
   2
   3 ;; Copyright (C) 2018-2019  Amin Bandali <bandali@gnu.org>
   4
   5 ;; This program is free software: you can redistribute it and/or modify
   6 ;; it under the terms of the GNU General Public License as published by
   7 ;; the Free Software Foundation, either version 3 of the License, or
   8 ;; (at your option) any later version.
   9
  10 ;; This program is distributed in the hope that it will be useful,
  11 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 ;; GNU General Public License for more details.
  14
  15 ;; You should have received a copy of the GNU General Public License
  16 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
  17
  18 ;;; Commentary:
  19
  20 ;; Emacs configuration of Amin Bandali, computer scientist, functional
  21 ;; programmer, and free software activist.  Uses straight.el for
  22 ;; purely functional and fully reproducible package management.
  23
  24 ;; Over the years, I've taken inspiration from configurations of many
  25 ;; great people.  Some that I can remember off the top of my head are:
  26 ;;
  27 ;; - https://github.com/dieggsy/dotfiles
  28 ;; - https://github.com/dakra/dmacs
  29 ;; - http://pages.sachachua.com/.emacs.d/Sacha.html
  30 ;; - https://github.com/dakrone/eos
  31 ;; - http://doc.rix.si/cce/cce.html
  32 ;; - https://github.com/jwiegley/dot-emacs
  33 ;; - https://github.com/wasamasa/dotemacs
  34 ;; - https://github.com/hlissner/doom-emacs
  35
  36 ;;; Code:
  37
  38 ;;; Emacs initialization
  39
  40 (defvar b/before-user-init-time (current-time)
  41   "Value of `current-time' when Emacs begins loading `user-init-file'.")
  42 (defvar b/emacs-initialized nil
  43   "Whether Emacs has been initialized.")
  44
  45 (when (not (bound-and-true-p b/emacs-initialized))
  46   (message "Loading Emacs...done (%.3fs)"
  47            (float-time (time-subtract b/before-user-init-time
  48                                       before-init-time))))
  49
  50 ;; temporarily increase `gc-cons-threshhold' and `gc-cons-percentage'
  51 ;; during startup to reduce garbage collection frequency.  clearing
  52 ;; `file-name-handler-alist' seems to help reduce startup time too.
  53 (defvar b/gc-cons-threshold gc-cons-threshold)
  54 (defvar b/gc-cons-percentage gc-cons-percentage)
  55 (defvar b/file-name-handler-alist file-name-handler-alist)
  56 (setq gc-cons-threshold (* 400 1024 1024)  ; 400 MiB
  57       gc-cons-percentage 0.6
  58       file-name-handler-alist nil
  59       ;; sidesteps a bug when profiling with esup
  60       esup-child-profile-require-level 0)
  61
  62 ;; set them back to their defaults once we're done initializing
  63 (defun b/post-init ()
  64   "My post-initialize function, run after loading `user-init-file'."
  65   (setq b/emacs-initialized     t
  66         gc-cons-threshold       b/gc-cons-threshold
  67         gc-cons-percentage      b/gc-cons-percentage
  68         file-name-handler-alist b/file-name-handler-alist))
  69 (add-hook 'after-init-hook #'b/post-init)
  70
  71 ;; increase number of lines kept in *Messages* log
  72 (setq message-log-max 20000)
  73
  74 ;; optionally, uncomment to supress some byte-compiler warnings
  75 ;;   (see C-h v byte-compile-warnings RET for more info)
  76 ;; (setq byte-compile-warnings
  77 ;;       '(not free-vars unresolved noruntime lexical make-local))
  78
  79 \f
  80 ;;; whoami
  81
  82 (setq user-full-name "Amin Bandali"
  83       user-mail-address "bandali@gnu.org")
  84
  85 \f
  86 ;;; comment macro
  87
  88 ;; useful for commenting out multiple sexps at a time
  89 (defmacro comment (&rest _)
  90   "Comment out one or more s-expressions."
  91   (declare (indent defun))
  92   nil)
  93
  94 \f
  95 ;;; Package management
  96
  97 ;; No package.el  (for emacs 26 and before, uncomment the following)
  98 ;; Not necessary when using straight.el
  99 ;;   (C-h v straight-package-neutering-mode RET)
 100
 101 (when (and
 102        (not (featurep 'straight))
 103        (version< emacs-version "27"))
 104   (setq package-enable-at-startup nil)
 105   ;; (package-initialize)
 106   )
 107
 108 ;; for emacs 27 and later, we use early-init.el.  see
 109 ;; https://git.savannah.gnu.org/cgit/emacs.git/commit/?id=24acb31c04b4048b85311d794e600ecd7ce60d3b
 110
 111 ;; straight.el
 112
 113 ;; Main engine start...
 114
 115 (setq straight-repository-branch "develop"
 116       straight-check-for-modifications '(check-on-save find-when-checking))
 117
 118 (defun b/bootstrap-straight ()
 119   (defvar bootstrap-version)
 120   (let ((bootstrap-file
 121          (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory))
 122         (bootstrap-version 5))
 123     (unless (file-exists-p bootstrap-file)
 124       (with-current-buffer
 125           (url-retrieve-synchronously
 126            "https://raw.githubusercontent.com/raxod502/straight.el/develop/install.el"
 127            'silent 'inhibit-cookies)
 128         (goto-char (point-max))
 129         (eval-print-last-sexp)))
 130     (load bootstrap-file nil 'nomessage)))
 131
 132 ;; Solid rocket booster ignition...
 133
 134 (b/bootstrap-straight)
 135
 136 ;; We have lift off!
 137
 138 (setq straight-use-package-by-default t)
 139
 140 (defmacro use-feature (name &rest args)
 141   "Like `use-package', but with `straight-use-package-by-default' disabled."
 142   (declare (indent 1))
 143   `(use-package ,name
 144      :straight nil
 145      ,@args))
 146
 147 (with-eval-after-load 'use-package-core
 148   (let ((upflk (car use-package-font-lock-keywords)))
 149     (font-lock-add-keywords
 150      'emacs-lisp-mode
 151      `((,(replace-regexp-in-string
 152           "use-package" "use-feature"
 153           (car upflk))
 154         ,@(cdr upflk))))))
 155
 156 (with-eval-after-load 'recentf
 157   (add-to-list 'recentf-exclude
 158                (expand-file-name "~/.emacs.d/straight/build/")))
 159
 160 (defun b/reload-init ()
 161   "Reload `user-init-file'."
 162   (interactive)
 163   (setq b/before-user-init-time   (current-time)
 164         b/file-name-handler-alist file-name-handler-alist)
 165   (load user-init-file nil 'nomessage)
 166   (b/post-init))
 167
 168 ;; use-package
 169 (straight-use-package 'use-package)
 170
 171 (if nil                             ; set to t when need to debug init
 172     (progn
 173       (setq use-package-verbose t
 174             use-package-expand-minimally nil
 175             use-package-compute-statistics t
 176             debug-on-error t)
 177       (require 'use-package))
 178   (setq use-package-verbose nil
 179         use-package-expand-minimally t))
 180
 181 (setq use-package-always-defer t)
 182 (require 'bind-key)
 183
 184 (use-package delight)
 185
 186 \f
 187 ;;; Initial setup
 188
 189 ;; keep ~/.emacs.d clean
 190 (use-package no-littering
 191   :demand
 192   :config
 193   (defalias 'b/etc 'no-littering-expand-etc-file-name)
 194   (defalias 'b/var 'no-littering-expand-var-file-name))
 195
 196 ;; separate custom file (don't want it mixing with init.el)
 197 (use-feature custom
 198   :no-require
 199   :config
 200   (setq custom-file (b/etc "custom.el"))
 201   (when (file-exists-p custom-file)
 202     (load custom-file))
 203   ;; while at it, treat themes as safe
 204   (setf custom-safe-themes t)
 205   ;; only one custom theme at a time
 206   (comment
 207     (defadvice load-theme (before clear-previous-themes activate)
 208       "Clear existing theme settings instead of layering them"
 209       (mapc #'disable-theme custom-enabled-themes))))
 210
 211 ;; load the secrets file if it exists, otherwise show a warning
 212 (comment
 213   (with-demoted-errors
 214       (load (b/etc "secrets"))))
 215
 216 ;; better $PATH (and other environment variable) handling
 217 (use-package exec-path-from-shell
 218   :defer 0.4
 219   :init
 220   (setq exec-path-from-shell-arguments           nil
 221         exec-path-from-shell-check-startup-files nil)
 222   :config
 223   (exec-path-from-shell-initialize)
 224   ;; while we're at it, let's fix access to our running ssh-agent
 225   (exec-path-from-shell-copy-env "SSH_AGENT_PID")
 226   (exec-path-from-shell-copy-env "SSH_AUTH_SOCK"))
 227
 228 ;; start up emacs server.  see
 229 ;; https://www.gnu.org/software/emacs/manual/html_node/emacs/Emacs-Server.html#Emacs-Server
 230 (use-feature server
 231   :defer 0.4
 232   :config (or (server-running-p) (server-mode)))
 233
 234 \f
 235 ;;; Useful utilities
 236
 237 ;; useful libraries
 238 (require 'cl-lib)
 239 (require 'subr-x)
 240
 241 (defmacro b/setq-every (value &rest vars)
 242   "Set all the variables from VARS to value VALUE."
 243   (declare (indent defun) (debug t))
 244   `(progn ,@(mapcar (lambda (x) (list 'setq x value)) vars)))
 245
 246 (defun b/start-process (program &rest args)
 247   "Same as `start-process', but doesn't bother about name and buffer."
 248   (let ((process-name (concat program "_process"))
 249         (buffer-name  (generate-new-buffer-name
 250                        (concat program "_output"))))
 251     (apply #'start-process
 252            process-name buffer-name program args)))
 253
 254 (defun b/dired-start-process (program &optional args)
 255   "Open current file with a PROGRAM."
 256   ;; Shell command looks like this: "program [ARGS]... FILE" (ARGS can
 257   ;; be nil, so remove it).
 258   (apply #'b/start-process
 259          program
 260          (remove nil (list args (dired-get-file-for-visit)))))
 261
 262 (defun b/add-elisp-section ()
 263   (interactive)
 264   (insert "\n")
 265   (previous-line)
 266   (insert "\n\f\n;;; "))
 267
 268 (defun b/no-mouse-autoselect-window ()
 269   "Conveniently disable `focus-follows-mouse'.
 270 For disabling the behaviour for certain buffers and/or modes."
 271   (make-local-variable 'mouse-autoselect-window)
 272   (setq mouse-autoselect-window nil))
 273
 274 \f
 275 ;;; Defaults
 276
 277 ;;;; C-level customizations
 278
 279 (setq
 280  ;; minibuffer
 281  enable-recursive-minibuffers t
 282  resize-mini-windows t
 283  ;; more useful frame titles
 284  frame-title-format '("" invocation-name " - "
 285                       (:eval
 286                        (if (buffer-file-name)
 287                            (abbreviate-file-name (buffer-file-name))
 288                          "%b")))
 289  ;; i don't feel like jumping out of my chair every now and again; so
 290  ;; don't BEEP! at me, emacs
 291  ring-bell-function 'ignore
 292  ;; better scrolling
 293  ;; scroll-margin 1
 294  ;; scroll-conservatively 10000
 295  scroll-step 1
 296  scroll-conservatively 10
 297  scroll-preserve-screen-position 1
 298  ;; focus follows mouse
 299  mouse-autoselect-window t)
 300
 301 (setq-default
 302  ;; always use space for indentation
 303  indent-tabs-mode nil
 304  tab-width 4
 305  ;; cursor shape
 306  cursor-type 'bar)
 307
 308 ;; unicode support
 309 (comment
 310   (dolist (ft (fontset-list))
 311     (set-fontset-font
 312      ft
 313      'unicode
 314      (font-spec :name "Source Code Pro" :size 14))
 315     (set-fontset-font
 316      ft
 317      'unicode
 318      (font-spec :name "DejaVu Sans Mono")
 319      nil
 320      'append)
 321     ;; (set-fontset-font
 322     ;;  ft
 323     ;;  'unicode
 324     ;;  (font-spec
 325     ;;   :name "Symbola monospacified for DejaVu Sans Mono")
 326     ;;  nil
 327     ;;  'append)
 328     ;; (set-fontset-font
 329     ;;  ft
 330     ;;  #x2115  ; ℕ
 331     ;;  (font-spec :name "DejaVu Sans Mono")
 332     ;;  nil
 333     ;;  'append)
 334     (set-fontset-font
 335      ft
 336      (cons ?Α ?ω)
 337      (font-spec :name "DejaVu Sans Mono" :size 14)
 338      nil
 339      'prepend)))
 340
 341 ;;;; Elisp-level customizations
 342
 343 (use-feature startup
 344   :no-require
 345   :demand
 346   :config
 347   ;; don't need to see the startup echo area message
 348   (advice-add #'display-startup-echo-area-message :override #'ignore)
 349   :custom
 350   ;; i want *scratch* as my startup buffer
 351   (initial-buffer-choice t)
 352   ;; i don't need the default hint
 353   (initial-scratch-message nil)
 354   ;; use customizable text-mode as major mode for *scratch*
 355   ;; (initial-major-mode 'text-mode)
 356   ;; inhibit buffer list when more than 2 files are loaded
 357   (inhibit-startup-buffer-menu t)
 358   ;; don't need to see the startup screen or echo area message
 359   (inhibit-startup-screen t)
 360   (inhibit-startup-echo-area-message user-login-name))
 361
 362 (use-feature files
 363   :no-require
 364   :demand
 365   :custom
 366   ;; backups (C-h v make-backup-files RET)
 367   (backup-by-copying t)
 368   (version-control t)
 369   (delete-old-versions t)
 370
 371   ;; auto-save
 372   (auto-save-file-name-transforms
 373    `((".*" ,(b/var "auto-save/") t)))
 374
 375   ;; insert newline at the end of files
 376   (require-final-newline t)
 377
 378   ;; open read-only file buffers in view-mode
 379   ;; (enables niceties like `q' for quit)
 380   (view-read-only t))
 381
 382 ;; disable disabled commands
 383 (setq disabled-command-function nil)
 384
 385 ;; lazy-person-friendly yes/no prompts
 386 (defalias 'yes-or-no-p #'y-or-n-p)
 387
 388 ;; enable automatic reloading of changed buffers and files
 389 (use-feature autorevert
 390   :demand
 391   :config
 392   (global-auto-revert-mode 1)
 393   :custom
 394   (auto-revert-verbose nil)
 395   (global-auto-revert-non-file-buffers nil))
 396
 397 ;; time and battery in mode-line
 398 (use-feature time
 399   :config
 400   (display-time-mode)
 401   :custom
 402   (display-time-default-load-average nil)
 403   (display-time-format "%a %b %-e, %-l:%M%P"))
 404
 405 (use-feature battery
 406   :config
 407   (display-battery-mode)
 408   :custom
 409   (battery-mode-line-format " %p%% %t"))
 410
 411 (use-feature fringe
 412   :demand
 413   :config
 414   ;; smaller fringe
 415   ;; (fringe-mode '(3 . 1))
 416   (fringe-mode nil))
 417
 418 (use-feature winner
 419   :demand
 420   :config
 421   ;; enable winner-mode (C-h f winner-mode RET)
 422   (winner-mode 1))
 423
 424 (use-feature compile
 425   :config
 426   ;; don't display *compilation* buffer on success.  based on
 427   ;; https://stackoverflow.com/a/17788551, with changes to use `cl-letf'
 428   ;; instead of the now obsolete `flet'.
 429   (defun b/compilation-finish-function (buffer outstr)
 430     (unless (string-match "finished" outstr)
 431       (switch-to-buffer-other-window buffer))
 432     t)
 433
 434   (setq compilation-finish-functions #'b/compilation-finish-function)
 435
 436   (require 'cl-macs)
 437
 438   (defadvice compilation-start
 439       (around inhibit-display
 440               (command &optional mode name-function highlight-regexp))
 441     (if (not (string-match "^\\(find\\|grep\\)" command))
 442         (cl-letf (((symbol-function 'display-buffer) #'ignore))
 443           (save-window-excursion ad-do-it))
 444       ad-do-it))
 445   (ad-activate 'compilation-start))
 446
 447 (use-feature isearch
 448   :custom
 449   ;; allow scrolling in Isearch
 450   (isearch-allow-scroll t)
 451   ;; search for non-ASCII characters: i’d like non-ASCII characters such
 452   ;; as ‘’“”«»‹›áⓐ𝒶 to be selected when i search for their ASCII
 453   ;; counterpart.  shoutout to
 454   ;; http://endlessparentheses.com/new-in-emacs-25-1-easily-search-non-ascii-characters.html
 455   (search-default-mode #'char-fold-to-regexp))
 456
 457 ;; uncomment to extend the above behaviour to query-replace
 458 (comment
 459   (use-feature replace
 460     :custom
 461     (replace-char-fold t)))
 462
 463 (use-feature vc
 464   :bind ("C-x v C-=" . vc-ediff))
 465
 466 (use-feature ediff
 467   :config (add-hook 'ediff-after-quit-hook-internal 'winner-undo)
 468   :custom ((ediff-window-setup-function 'ediff-setup-windows-plain)
 469            (ediff-split-window-function 'split-window-horizontally)))
 470
 471 (use-feature face-remap
 472   :custom
 473   ;; gentler font resizing
 474   (text-scale-mode-step 1.05))
 475
 476 (use-feature mwheel
 477   :defer 0.4
 478   :config
 479   (setq mouse-wheel-scroll-amount '(1 ((shift) . 1)) ; one line at a time
 480         mouse-wheel-progressive-speed nil            ; don't accelerate scrolling
 481         mouse-wheel-follow-mouse t))                 ; scroll window under mouse
 482
 483 (use-feature pixel-scroll
 484   :defer 0.4
 485   :config (pixel-scroll-mode 1))
 486
 487 (use-feature epg-config
 488   :custom
 489   ((epg-gpg-program (executable-find "gpg"))))
 490
 491 \f
 492 ;;; General bindings
 493
 494 (bind-keys
 495  ("C-c a i" . ielm)
 496
 497  ("C-c e b" . eval-buffer)
 498  ("C-c e e" . eval-last-sexp)
 499  ("C-c e r" . eval-region)
 500
 501  ("C-c e i" . emacs-init-time)
 502  ("C-c e u" . emacs-uptime)
 503  ("C-c e v" . emacs-version)
 504
 505  ("C-c F m" . make-frame-command)
 506  ("C-c F d" . delete-frame)
 507  ("C-c F D" . server-edit)
 508
 509  ("C-S-h C" . describe-char)
 510  ("C-S-h F" . describe-face)
 511
 512  ("C-x k"   . kill-this-buffer)
 513  ("C-x K"   . kill-buffer)
 514  ("C-x s"   . save-buffer)
 515  ("C-x S"   . save-some-buffers)
 516
 517  :map emacs-lisp-mode-map
 518  ("<C-return>" . b/add-elisp-section))
 519
 520 (when (display-graphic-p)
 521   (unbind-key "C-z" global-map))
 522
 523 (bind-keys
 524  ;; for back and forward mouse keys
 525  ("<XF86Back>"     . previous-buffer)
 526  ("<mouse-8>"      . previous-buffer)
 527  ("<drag-mouse-8>" . previous-buffer)
 528  ("<XF86Forward>"  . next-buffer)
 529  ("<mouse-9>"      . next-buffer)
 530  ("<drag-mouse-9>" . next-buffer)
 531  ("<drag-mouse-2>" . kill-this-buffer)
 532  ("<drag-mouse-3>" . ivy-switch-buffer))
 533
 534 (bind-keys
 535  :prefix-map b/straight-prefix-map
 536  :prefix "C-c p s"
 537  ("u" . straight-use-package)
 538  ("f" . straight-freeze-versions)
 539  ("t" . straight-thaw-versions)
 540  ("P" . straight-prune-build)
 541  ("g" . straight-get-recipe)
 542  ("r" . b/reload-init)
 543  ;; M-x ^straight-.*-all$
 544  ("a c" . straight-check-all)
 545  ("a f" . straight-fetch-all)
 546  ("a m" . straight-merge-all)
 547  ("a n" . straight-normalize-all)
 548  ("a F" . straight-pull-all)
 549  ("a P" . straight-push-all)
 550  ("a r" . straight-rebuild-all)
 551  ;; M-x ^straight-.*-package$
 552  ("p c" . straight-check-package)
 553  ("p f" . straight-fetch-package)
 554  ("p m" . straight-merge-package)
 555  ("p n" . straight-normalize-package)
 556  ("p F" . straight-pull-package)
 557  ("p P" . straight-push-package)
 558  ("p r" . straight-rebuild-package))
 559
 560 \f
 561 ;;; Essential packages
 562
 563 (use-package exwm
 564   :demand
 565   :config
 566   (require 'exwm-config)
 567
 568   (setq
 569    exwm-workspace-number 4
 570    exwm-workspace-index-map (lambda (i) (number-to-string (1+ i))))
 571
 572   ;; Make class name the buffer name, truncating beyond 50 characters
 573   (defun exwm-rename-buffer ()
 574     (interactive)
 575     (exwm-workspace-rename-buffer
 576      (concat exwm-class-name ":"
 577              (if (<= (length exwm-title) 50) exwm-title
 578                (concat (substring exwm-title 0 49) "...")))))
 579   (add-hook 'exwm-update-class-hook 'exwm-rename-buffer)
 580   (add-hook 'exwm-update-title-hook 'exwm-rename-buffer)
 581
 582   (defun b/exwm-ws-prev-index ()
 583     "Return the index for the previous EXWM workspace, wrapping
 584 around if needed."
 585     (if (= exwm-workspace-current-index 0)
 586         (1- exwm-workspace-number)
 587       (1- exwm-workspace-current-index)))
 588
 589   (defun b/exwm-ws-next-index ()
 590     "Return the index for the next EXWM workspace, wrapping
 591 around if needed."
 592     (if (= exwm-workspace-current-index
 593            (1- exwm-workspace-number))
 594         0
 595       (1+ exwm-workspace-current-index)))
 596
 597   ;; 's-R': Reset
 598   (exwm-input-set-key (kbd "s-R") #'exwm-reset)
 599   ;; 's-\': Switch workspace
 600   (exwm-input-set-key (kbd "s-\\") #'exwm-workspace-switch)
 601   ;; 's-N': Switch to certain workspace
 602   (dotimes (i 10)
 603     (exwm-input-set-key
 604      (kbd (format "s-%d" i))
 605      (lambda ()
 606        (interactive)
 607        (exwm-workspace-switch-create (1- i)))))
 608   ;; 's-[': Switch to previous workspace
 609   (defun b/exwm-ws-prev ()
 610     "Switch to previous EXWM workspace, wrapping around if needed."
 611     (interactive)
 612     (exwm-workspace-switch-create (b/exwm-ws-prev-index)))
 613   (exwm-input-set-key (kbd "s-[") #'b/exwm-ws-prev)
 614   ;; 's-]': Switch to next workspace
 615   (defun b/exwm-ws-next ()
 616     "Switch to next EXWM workspace, wrapping around if needed."
 617     (interactive)
 618     (exwm-workspace-switch-create (b/exwm-ws-next-index)))
 619   (exwm-input-set-key (kbd "s-]") #'b/exwm-ws-next)
 620   ;; 's-{': Move window to previous workspace
 621   (defun b/exwm-move-window-to-prev-ws ()
 622     "Move window to previous EXWM workspace, wrapping around if
 623 needed."
 624     (interactive)
 625     (exwm-workspace-move-window (b/exwm-ws-prev-index)))
 626   (exwm-input-set-key (kbd "s-{") #'b/exwm-move-window-to-prev-ws)
 627   ;; 's-}': Move window to next workspace
 628   (defun b/exwm-move-window-to-next-ws ()
 629     "Move window to next EXWM workspace, wrapping around if
 630 needed."
 631     (interactive)
 632     (exwm-workspace-move-window (b/exwm-ws-next-index)))
 633   (exwm-input-set-key (kbd "s-}") #'b/exwm-move-window-to-next-ws)
 634   ;; 's-SPC': Launch application
 635   ;; (exwm-input-set-key
 636   ;;  (kbd "s-SPC")
 637   ;;  (lambda (command)
 638   ;;    (interactive (list (read-shell-command "➜ ")))
 639   ;;    (start-process-shell-command command nil command)))
 640
 641   (exwm-input-set-key (kbd "M-s-SPC") #'counsel-linux-app)
 642
 643   ;; Shorten 'C-c C-q' to 'C-q'
 644   (define-key exwm-mode-map [?\C-q] #'exwm-input-send-next-key)
 645
 646   ;; Line-editing shortcuts
 647   (setq exwm-input-simulation-keys
 648     '(;; movement
 649       ([?\C-b] . [left])
 650       ([?\M-b] . [C-left])
 651       ([?\C-f] . [right])
 652       ([?\M-f] . [C-right])
 653       ([?\C-p] . [up])
 654       ([?\C-n] . [down])
 655       ([?\C-a] . [home])
 656       ([?\C-e] . [end])
 657       ([?\M-v] . [prior])
 658       ([?\C-v] . [next])
 659       ([?\C-d] . [delete])
 660       ([?\C-k] . [S-end delete])
 661       ;; cut/copy/paste
 662       ;; ([?\C-w] . [?\C-x])
 663       ([?\M-w] . [?\C-c])
 664       ([?\C-y] . [?\C-v])
 665       ;; search
 666       ([?\C-s] . [?\C-f])))
 667
 668   ;; Enable EXWM
 669   (exwm-enable)
 670
 671   (add-hook 'exwm-init-hook #'exwm-config--fix/ido-buffer-window-other-frame)
 672
 673   (require 'exwm-systemtray)
 674   (exwm-systemtray-enable)
 675
 676   (require 'exwm-randr)
 677   (exwm-randr-enable)
 678
 679   ;; (exwm-input-set-key
 680   ;;  (kbd "s-<return>")
 681   ;;  (lambda ()
 682   ;;    (interactive)
 683   ;;    (start-process "urxvt" nil "urxvt")))
 684
 685   ;; (exwm-input-set-key
 686   ;;  (kbd "s-SPC")  ;; rofi doesn't properly launch programs when started from emacs
 687   ;;  (lambda ()
 688   ;;    (interactive)
 689   ;;    (start-process-shell-command "rofi-run" nil "rofi -show run -display-run '> ' -display-window ' 🗔 '")))
 690
 691   ;; (exwm-input-set-key
 692   ;;  (kbd "s-/")
 693   ;;  (lambda ()
 694   ;;    (interactive)
 695   ;;    (start-process-shell-command "rofi-win" nil "rofi -show window  -display-run '> ' -display-window ' 🗔 '")))
 696
 697   ;; (exwm-input-set-key
 698   ;;  (kbd "M-SPC")
 699   ;;  (lambda ()
 700   ;;    (interactive)
 701   ;;    (start-process "rofi-pass" nil "rofi-pass")))
 702
 703   ;; (exwm-input-set-key
 704   ;;  (kbd "<XF86AudioMute>")
 705   ;;  (lambda ()
 706   ;;    (interactive)
 707   ;;    (start-process-shell-command "pamixer" nil "pamixer --toggle-mute")))
 708
 709   ;; (exwm-input-set-key
 710   ;;  (kbd "<XF86AudioLowerVolume>")
 711   ;;  (lambda ()
 712   ;;    (interactive)
 713   ;;    (start-process-shell-command "pamixer" nil "pamixer --allow-boost --decrease 5")))
 714
 715   ;; (exwm-input-set-key
 716   ;;  (kbd "<XF86AudioRaiseVolume>")
 717   ;;  (lambda ()
 718   ;;    (interactive)
 719   ;;    (start-process-shell-command "pamixer" nil "pamixer --allow-boost --increase 5")))
 720
 721   ;; (exwm-input-set-key
 722   ;;  (kbd "<XF86AudioPlay>")
 723   ;;  (lambda ()
 724   ;;    (interactive)
 725   ;;    (start-process-shell-command "mpc" nil "mpc toggle")))
 726
 727   ;; (exwm-input-set-key
 728   ;;  (kbd "<XF86AudioPrev>")
 729   ;;  (lambda ()
 730   ;;    (interactive)
 731   ;;    (start-process-shell-command "mpc" nil "mpc prev")))
 732
 733   ;; (exwm-input-set-key
 734   ;;  (kbd "<XF86AudioNext>")
 735   ;;  (lambda ()
 736   ;;    (interactive)
 737   ;;    (start-process-shell-command "mpc" nil "mpv next")))
 738
 739   (comment
 740     (defun b/exwm-pasystray ()
 741       "A command used to start pasystray."
 742       (interactive)
 743       (if (executable-find "pasystray")
 744           (progn
 745             (message "EXWM: starting pasystray ...")
 746             (start-process-shell-command "pasystray" nil "pasystray --notify=all"))
 747         (message "EXWM: pasystray is not installed, abort!")))
 748     (add-hook 'exwm-init-hook #'b/exwm-pasystray))
 749
 750   (defun b/exwm-nm-applet ()
 751     "A command used to start nm-applet."
 752     (interactive)
 753     (if (executable-find "nm-applet")
 754         (progn
 755           (message "EXWM: starting nm-applet ...")
 756           (start-process-shell-command "nm-applet" nil "nm-applet"))
 757       (message "EXWM: nm-applet is not installed, abort!")))
 758   (add-hook 'exwm-init-hook #'b/exwm-nm-applet)
 759
 760   (exwm-input-set-key
 761    (kbd "s-t")
 762    (lambda ()
 763      (interactive)
 764      (exwm-floating-toggle-floating)))
 765
 766   (exwm-input-set-key
 767    (kbd "s-f")
 768    (lambda ()
 769      (interactive)
 770      (exwm-layout-toggle-fullscreen)))
 771
 772   (exwm-input-set-key
 773    (kbd "s-w")
 774    (lambda ()
 775      (interactive)
 776      (kill-buffer (current-buffer))))
 777
 778   (exwm-input-set-key
 779    (kbd "s-q")
 780    (lambda ()
 781      (interactive)
 782      (exwm-manage--kill-client))))
 783
 784 ;; use the org-plus-contrib package to get the whole deal
 785 (use-package org-plus-contrib)
 786
 787 (use-feature org
 788   :defer 0.5
 789   :config
 790   (setq org-src-tab-acts-natively t
 791         org-src-preserve-indentation nil
 792         org-edit-src-content-indentation 0
 793         org-link-email-description-format "Email %c: %s" ; %.30s
 794         org-highlight-latex-and-related '(entities)
 795         org-use-speed-commands t
 796         org-startup-folded 'content
 797         org-catch-invisible-edits 'show-and-error
 798         org-log-done 'time)
 799   (when (version< org-version "9.3")
 800     (setq org-email-link-description-format
 801           org-link-email-description-format))
 802   (add-to-list 'org-structure-template-alist '("L" . "src emacs-lisp") t)
 803   (add-to-list 'org-modules 'org-habit)
 804   :bind
 805   (("C-c a o a" . org-agenda)
 806    :map org-mode-map
 807    ("M-L" . org-insert-last-stored-link)
 808    ("M-O" . org-toggle-link-display))
 809   :hook ((org-mode . org-indent-mode)
 810          (org-mode . auto-fill-mode)
 811          (org-mode . flyspell-mode))
 812   :custom
 813   (org-pretty-entities t)
 814   (org-agenda-files '("~/usr/org/todos/personal.org"
 815                       "~/usr/org/todos/habits.org"
 816                       "~/src/git/masters-thesis/todo.org"))
 817   (org-agenda-start-on-weekday 0)
 818   (org-agenda-time-leading-zero t)
 819   (org-habit-graph-column 44)
 820   (org-latex-packages-alist '(("" "listings") ("" "color")))
 821   :custom-face
 822   '(org-block-begin-line ((t (:foreground "#5a5b5a" :background "#1d1f21"))))
 823   '(org-block ((t (:background "#1d1f21"))))
 824   '(org-latex-and-related ((t (:foreground "#b294bb")))))
 825
 826 (use-feature ox-latex
 827   :after ox
 828   :config
 829   (setq org-latex-listings 'listings
 830         ;; org-latex-prefer-user-labels t
 831         )
 832   (add-to-list 'org-latex-classes
 833                '("IEEEtran" "\\documentclass[11pt]{IEEEtran}"
 834                  ("\\section{%s}"       . "\\section*{%s}")
 835                  ("\\subsection{%s}"    . "\\subsection*{%s}")
 836                  ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
 837                  ("\\paragraph{%s}"     . "\\paragraph*{%s}")
 838                  ("\\subparagraph{%s}"  . "\\subparagraph*{%s}"))
 839                t)
 840   (require 'ox-beamer))
 841
 842 (use-feature ox-extra
 843   :config
 844   (ox-extras-activate '(latex-header-blocks ignore-headlines)))
 845
 846 ;; asynchronous tangle, using emacs-async to asynchronously tangle an
 847 ;; org file.  closely inspired by
 848 ;; https://github.com/dieggsy/dotfiles/tree/cc10edf7701958eff1cd94d4081da544d882a28c/emacs.d#dotfiles
 849 (with-eval-after-load 'org
 850   (defvar b/show-async-tangle-results nil
 851     "Keep *emacs* async buffers around for later inspection.")
 852
 853   (defvar b/show-async-tangle-time nil
 854     "Show the time spent tangling the file.")
 855
 856   (defun b/async-babel-tangle ()
 857     "Tangle org file asynchronously."
 858     (interactive)
 859     (let* ((file-tangle-start-time (current-time))
 860            (file (buffer-file-name))
 861            (file-nodir (file-name-nondirectory file))
 862            ;; (async-quiet-switch "-q")
 863            (file-noext (file-name-sans-extension file)))
 864       (async-start
 865        `(lambda ()
 866           (require 'org)
 867           (org-babel-tangle-file ,file))
 868        (unless b/show-async-tangle-results
 869          `(lambda (result)
 870             (if result
 871                 (message "Tangled %s%s"
 872                          ,file-nodir
 873                          (if b/show-async-tangle-time
 874                              (format " (%.3fs)"
 875                                      (float-time (time-subtract (current-time)
 876                                                                 ',file-tangle-start-time)))
 877                            ""))
 878               (message "Tangling %s failed" ,file-nodir))))))))
 879
 880 (add-to-list
 881  'safe-local-variable-values
 882  '(eval add-hook 'after-save-hook #'b/async-babel-tangle 'append 'local))
 883
 884 ;; *the* right way to do git
 885 (use-package magit
 886   :defer 0.5
 887   :bind (("C-x g"   . magit-status)
 888          ("C-c g g" . magit-status)
 889          ("C-c g b" . magit-blame-addition)
 890          ("C-c g l" . magit-log-buffer-file))
 891   :config
 892   (magit-add-section-hook 'magit-status-sections-hook
 893                           'magit-insert-modules
 894                           'magit-insert-stashes
 895                           'append)
 896   ;; (magit-add-section-hook 'magit-status-sections-hook
 897   ;;                         'magit-insert-ignored-files
 898   ;;                         'magit-insert-untracked-files
 899   ;;                         'append)
 900   (setq magit-repository-directories '(("~/" . 0)
 901                                        ("~/src/git/" . 1)))
 902   (nconc magit-section-initial-visibility-alist
 903          '(([unpulled status] . show)
 904            ([unpushed status] . show)))
 905   :custom
 906   (magit-diff-refine-hunk t)
 907   (magit-display-buffer-function #'magit-display-buffer-fullframe-status-v1)
 908   :custom-face (magit-diff-file-heading ((t (:weight normal)))))
 909
 910 ;; recently opened files
 911 (use-feature recentf
 912   :defer 0.2
 913   ;; :config
 914   ;; (add-to-list 'recentf-exclude "^/\\(?:ssh\\|su\\|sudo\\)?:")
 915   :custom
 916   (recentf-max-saved-items 2000))
 917
 918 ;; smart M-x enhancement (needed by counsel for history)
 919 (use-package smex)
 920
 921 (use-package ivy
 922   :defer 0.3
 923   :delight ;; " 🙒"
 924   :bind
 925   (:map ivy-minibuffer-map
 926    ([escape] . keyboard-escape-quit)
 927    ([S-up]   . ivy-previous-history-element)
 928    ([S-down] . ivy-next-history-element)
 929    ("DEL"    . ivy-backward-delete-char))
 930   :config
 931   (setq ivy-wrap t
 932         ivy-height 14
 933         ivy-use-virtual-buffers t
 934         ivy-virtual-abbreviate 'abbreviate
 935         ivy-count-format "%d/%d ")
 936
 937   (defvar b/ivy-ignore-buffer-modes '(magit-mode erc-mode dired-mode))
 938   (defun b/ivy-ignore-buffer-p (str)
 939     "Return non-nil if str names a buffer with a major mode
 940 derived from one of `b/ivy-ignore-buffer-modes'.
 941
 942 This function is intended for use with `ivy-ignore-buffers'."
 943     (let* ((buf (get-buffer str))
 944            (mode (and buf (buffer-local-value 'major-mode buf))))
 945       (and mode
 946            (apply #'provided-mode-derived-p mode b/ivy-ignore-buffer-modes))))
 947   (add-to-list 'ivy-ignore-buffers 'b/ivy-ignore-buffer-p)
 948
 949   (ivy-mode 1)
 950   ;; :custom-face
 951   ;; (ivy-minibuffer-match-face-2 ((t (:background "#e99ce8" :weight semi-bold))))
 952   ;; (ivy-minibuffer-match-face-3 ((t (:background "#bbbbff" :weight semi-bold))))
 953   ;; (ivy-minibuffer-match-face-4 ((t (:background "#ffbbff" :weight semi-bold))))
 954 )
 955
 956 (use-package swiper
 957   :after ivy
 958   :bind (("C-s"   . swiper-isearch)
 959          ("C-r"   . swiper)
 960          ("C-S-s" . isearch-forward)))
 961
 962 (use-package counsel
 963   :after ivy
 964   :delight
 965   :bind (([remap execute-extended-command] . counsel-M-x)
 966          ([remap find-file]                . counsel-find-file)
 967          ("C-c b b"                        . ivy-switch-buffer)
 968          ("C-c f ."                        . counsel-find-file)
 969          ("C-c f l"                        . counsel-find-library)
 970          ("C-c f r"                        . counsel-recentf)
 971          ("C-c x"                          . counsel-M-x)
 972          :map minibuffer-local-map
 973          ("C-r" . counsel-minibuffer-history))
 974   :config
 975   (counsel-mode 1)
 976   (defalias 'locate #'counsel-locate))
 977
 978 (comment
 979   (use-package helm
 980     :commands (helm-M-x helm-mini helm-resume)
 981     :bind (("M-x"     . helm-M-x)
 982            ("M-y"     . helm-show-kill-ring)
 983            ("C-x b"   . helm-mini)
 984            ("C-x C-b" . helm-buffers-list)
 985            ("C-x C-f" . helm-find-files)
 986            ("C-h r"   . helm-info-emacs)
 987            ("C-s-r"   . helm-resume)
 988            :map helm-map
 989            ("<tab>" . helm-execute-persistent-action)
 990            ("C-i"   . helm-execute-persistent-action) ; Make TAB work in terminals
 991            ("C-z"   . helm-select-action))            ; List actions
 992     :config (helm-mode 1)))
 993
 994 (use-feature eshell
 995   :defer 0.5
 996   :commands eshell
 997   :bind ("C-c a s e" . eshell)
 998   :config
 999   (eval-when-compile (defvar eshell-prompt-regexp))
1000   (defun b/eshell-quit-or-delete-char (arg)
1001     (interactive "p")
1002     (if (and (eolp) (looking-back eshell-prompt-regexp nil))
1003         (eshell-life-is-too-much)
1004       (delete-char arg)))
1005
1006   (defun b/eshell-clear ()
1007     (interactive)
1008     (let ((inhibit-read-only t))
1009       (erase-buffer))
1010     (eshell-send-input))
1011
1012   (defun b/eshell-setup ()
1013     (make-local-variable 'company-idle-delay)
1014     (defvar company-idle-delay)
1015     (setq company-idle-delay nil)
1016     (bind-keys :map eshell-mode-map
1017                ("C-d"   . b/eshell-quit-or-delete-char)
1018                ("C-S-l" . b/eshell-clear)
1019                ("M-r"   . counsel-esh-history)
1020                ([tab]   . company-complete)))
1021
1022   :hook (eshell-mode . b/eshell-setup)
1023   :custom
1024   (eshell-hist-ignoredups t)
1025   (eshell-input-filter 'eshell-input-filter-initial-space))
1026
1027 (use-feature ibuffer
1028   :bind
1029   (("C-x C-b" . ibuffer)
1030    :map ibuffer-mode-map
1031    ("P"   . ibuffer-backward-filter-group)
1032    ("N"   . ibuffer-forward-filter-group)
1033    ("M-p" . ibuffer-do-print)
1034    ("M-n" . ibuffer-do-shell-command-pipe-replace))
1035   :config
1036   ;; Use human readable Size column instead of original one
1037   (define-ibuffer-column size-h
1038     (:name "Size" :inline t)
1039     (cond
1040      ((> (buffer-size) 1000000) (format "%7.1fM" (/ (buffer-size) 1000000.0)))
1041      ((> (buffer-size) 100000) (format "%7.0fk" (/ (buffer-size) 1000.0)))
1042      ((> (buffer-size) 1000) (format "%7.1fk" (/ (buffer-size) 1000.0)))
1043      (t (format "%8d" (buffer-size)))))
1044   :custom
1045   (ibuffer-saved-filter-groups
1046    '(("default"
1047       ("dired" (mode . dired-mode))
1048       ("org"   (mode . org-mode))
1049       ("gnus"
1050        (or
1051         (mode . gnus-group-mode)
1052         (mode . gnus-summary-mode)
1053         (mode . gnus-article-mode)
1054         ;; not really, but...
1055         (mode . message-mode)))
1056       ("web"
1057        (or
1058         (mode . web-mode)
1059         (mode . css-mode)
1060         (mode . scss-mode)
1061         (mode . js2-mode)))
1062       ("shell"
1063        (or
1064         (mode . eshell-mode)
1065         (mode . shell-mode)
1066         (mode . term-mode)))
1067       ("programming"
1068        (or
1069         (mode . python-mode)
1070         (mode . c-mode)
1071         (mode . c++-mode)
1072         (mode . java-mode)
1073         (mode . emacs-lisp-mode)
1074         (mode . scheme-mode)
1075         (mode . haskell-mode)
1076         (mode . lean-mode)
1077         (mode . go-mode)
1078         (mode . alloy-mode)))
1079       ("tex"
1080        (or
1081         (mode . bibtex-mode)
1082         (mode . latex-mode)))
1083       ("emacs"
1084        (or
1085         (name . "^\\*scratch\\*$")
1086         (name . "^\\*Messages\\*$")))
1087       ("erc" (mode . erc-mode)))))
1088   (ibuffer-formats
1089    '((mark modified read-only locked " "
1090            (name 18 18 :left :elide)
1091            " "
1092            (size-h 9 -1 :right)
1093            " "
1094            (mode 16 16 :left :elide)
1095            " " filename-and-process)
1096      (mark " "
1097            (name 16 -1)
1098            " " filename)))
1099   :hook (ibuffer . (lambda () (ibuffer-switch-to-saved-filter-groups "default"))))
1100
1101 (use-feature outline
1102   :disabled
1103   :hook (prog-mode . outline-minor-mode)
1104   :delight (outline-minor-mode " outl")
1105   :bind
1106   (:map
1107    outline-minor-mode-map
1108    ("<s-tab>"  . outline-toggle-children)
1109    ("M-p"      . outline-previous-visible-heading)
1110    ("M-n"      . outline-next-visible-heading)
1111    :prefix-map b/outline-prefix-map
1112    :prefix "s-O"
1113    ("TAB" . outline-toggle-children)
1114    ("a"   . outline-hide-body)
1115    ("H"   . outline-hide-body)
1116    ("S"   . outline-show-all)
1117    ("h"   . outline-hide-subtree)
1118    ("s"   . outline-show-subtree)))
1119
1120 (use-feature ls-lisp
1121   :custom (ls-lisp-dirs-first t))
1122
1123 (use-feature dired
1124   :config
1125   (setq dired-listing-switches "-alh"
1126         ls-lisp-use-insert-directory-program nil)
1127
1128   ;; easily diff 2 marked files
1129   ;; https://oremacs.com/2017/03/18/dired-ediff/
1130   (defun dired-ediff-files ()
1131     (interactive)
1132     (require 'dired-aux)
1133     (defvar ediff-after-quit-hook-internal)
1134     (let ((files (dired-get-marked-files))
1135           (wnd (current-window-configuration)))
1136       (if (<= (length files) 2)
1137           (let ((file1 (car files))
1138                 (file2 (if (cdr files)
1139                            (cadr files)
1140                          (read-file-name
1141                           "file: "
1142                           (dired-dwim-target-directory)))))
1143             (if (file-newer-than-file-p file1 file2)
1144                 (ediff-files file2 file1)
1145               (ediff-files file1 file2))
1146             (add-hook 'ediff-after-quit-hook-internal
1147                       (lambda ()
1148                         (setq ediff-after-quit-hook-internal nil)
1149                         (set-window-configuration wnd))))
1150         (error "no more than 2 files should be marked"))))
1151
1152   (require 'dired-x)
1153   (setq dired-guess-shell-alist-user
1154         '(("\\.pdf\\'"  "evince" "zathura" "okular")
1155           ("\\.doc\\'"  "libreoffice")
1156           ("\\.docx\\'" "libreoffice")
1157           ("\\.ppt\\'"  "libreoffice")
1158           ("\\.pptx\\'" "libreoffice")
1159           ("\\.xls\\'"  "libreoffice")
1160           ("\\.xlsx\\'" "libreoffice")
1161           ("\\.flac\\'" "mpv")))
1162   :bind (:map dired-mode-map
1163               ("b"  . dired-up-directory)
1164               ("e"  . dired-ediff-files)
1165               ("E"  . dired-toggle-read-only)
1166               ("\\" . dired-hide-details-mode)
1167               ("z"  . (lambda ()
1168                         (interactive)
1169                         (b/dired-start-process "zathura"))))
1170   :hook (dired-mode . dired-hide-details-mode))
1171
1172 (use-feature help
1173   :config
1174   (temp-buffer-resize-mode)
1175   (setq help-window-select t))
1176
1177 (use-feature tramp
1178   :config
1179   (add-to-list 'tramp-default-proxies-alist '(nil "\\`root\\'" "/ssh:%h:"))
1180   (add-to-list 'tramp-default-proxies-alist '("localhost" nil nil))
1181   (add-to-list 'tramp-default-proxies-alist
1182                (list (regexp-quote (system-name)) nil nil)))
1183
1184 (use-package dash
1185   :config (dash-enable-font-lock))
1186
1187 (use-feature doc-view
1188   :bind (:map doc-view-mode-map
1189               ("M-RET" . image-previous-line)))
1190
1191 \f
1192 ;;; Editing
1193
1194 ;; highlight uncommitted changes in the left fringe
1195 (use-package diff-hl
1196   :defer 0.6
1197   :config
1198   (setq diff-hl-draw-borders nil)
1199   (global-diff-hl-mode)
1200   :hook (magit-post-refresh . diff-hl-magit-post-refresh))
1201
1202 ;; display Lisp objects at point in the echo area
1203 (use-feature eldoc
1204   :when (version< "25" emacs-version)
1205   :delight " eldoc"
1206   :config (global-eldoc-mode))
1207
1208 ;; highlight matching parens
1209 (use-feature paren
1210   :demand
1211   :config (show-paren-mode))
1212
1213 (use-feature elec-pair
1214   :demand
1215   :config (electric-pair-mode))
1216
1217 (use-feature simple
1218   :delight (auto-fill-function " fill")
1219   :config (column-number-mode)
1220   :custom
1221   ;; Save what I copy into clipboard from other applications into Emacs'
1222   ;; kill-ring, which would allow me to still be able to easily access
1223   ;; it in case I kill (cut or copy) something else inside Emacs before
1224   ;; yanking (pasting) what I'd originally intended to.
1225   (save-interprogram-paste-before-kill t))
1226
1227 ;; save minibuffer history
1228 (use-feature savehist
1229   :demand
1230   :config
1231   (savehist-mode)
1232   (add-to-list 'savehist-additional-variables 'kill-ring))
1233
1234 ;; automatically save place in files
1235 (use-feature saveplace
1236   :when (version< "25" emacs-version)
1237   :config (save-place-mode))
1238
1239 (use-feature prog-mode
1240   :config (global-prettify-symbols-mode)
1241   (defun indicate-buffer-boundaries-left ()
1242     (setq indicate-buffer-boundaries 'left))
1243   (add-hook 'prog-mode-hook #'indicate-buffer-boundaries-left))
1244
1245 (use-feature text-mode
1246   :hook (text-mode . indicate-buffer-boundaries-left))
1247
1248 (use-feature conf-mode
1249   :mode "\\.*rc$")
1250
1251 (use-feature sh-mode
1252   :mode "\\.bashrc$")
1253
1254 (use-package company
1255   :defer 0.6
1256   :delight " comp"
1257   :bind
1258   (:map company-active-map
1259         ([tab]    . company-complete-common-or-cycle)
1260         ([escape] . company-abort))
1261   :custom
1262   (company-minimum-prefix-length 1)
1263   (company-selection-wrap-around t)
1264   (company-dabbrev-char-regexp "\\sw\\|\\s_\\|[-_]")
1265   (company-dabbrev-downcase nil)
1266   (company-dabbrev-ignore-case nil)
1267   :config
1268   (global-company-mode t))
1269
1270 (use-package flycheck
1271   :defer 0.6
1272   :hook (prog-mode . flycheck-mode)
1273   :bind
1274   (:map flycheck-mode-map
1275         ("M-P" . flycheck-previous-error)
1276         ("M-N" . flycheck-next-error))
1277   :config
1278   ;; Use the load-path from running Emacs when checking elisp files
1279   (setq flycheck-emacs-lisp-load-path 'inherit)
1280
1281   ;; Only flycheck when I actually save the buffer
1282   (setq flycheck-check-syntax-automatically '(mode-enabled save))
1283   :custom (flycheck-mode-line-prefix "flyc"))
1284
1285 (use-feature flyspell
1286   :delight " flysp")
1287
1288 ;; http://endlessparentheses.com/ispell-and-apostrophes.html
1289 (use-feature ispell
1290   :defer 0.6
1291   :config
1292   ;; ’ can be part of a word
1293   (setq ispell-local-dictionary-alist
1294         `((nil "[[:alpha:]]" "[^[:alpha:]]"
1295                "['\x2019]" nil ("-B") nil utf-8))
1296         ispell-program-name (executable-find "hunspell"))
1297   ;; don't send ’ to the subprocess
1298   (defun endless/replace-apostrophe (args)
1299     (cons (replace-regexp-in-string
1300            "’" "'" (car args))
1301           (cdr args)))
1302   (advice-add #'ispell-send-string :filter-args
1303               #'endless/replace-apostrophe)
1304
1305   ;; convert ' back to ’ from the subprocess
1306   (defun endless/replace-quote (args)
1307     (if (not (derived-mode-p 'org-mode))
1308         args
1309       (cons (replace-regexp-in-string
1310              "'" "’" (car args))
1311             (cdr args))))
1312   (advice-add #'ispell-parse-output :filter-args
1313               #'endless/replace-quote))
1314
1315 (use-feature abbrev
1316   :delight " abbr"
1317   :hook (text-mode . abbrev-mode))
1318
1319 \f
1320 ;;; Programming modes
1321
1322 (use-feature lisp-mode
1323   :config
1324   (defun indent-spaces-mode ()
1325     (setq indent-tabs-mode nil))
1326   (add-hook 'lisp-interaction-mode-hook #'indent-spaces-mode))
1327
1328 (use-feature reveal
1329   :delight (reveal-mode " reveal")
1330   :hook (emacs-lisp-mode . reveal-mode))
1331
1332 (use-feature elisp-mode
1333   :delight (emacs-lisp-mode "Elisp" :major))
1334
1335
1336 (use-package alloy-mode
1337   :straight (:host github :repo "dwwmmn/alloy-mode")
1338   :mode "\\.als\\'"
1339   :config (setq alloy-basic-offset 2))
1340
1341 (eval-when-compile (defvar lean-mode-map))
1342 (use-package lean-mode
1343   :straight (:host github :repo "leanprover/lean-mode"
1344                    :fork (:repo "notbandali/lean-mode" :branch "remove-cl"))
1345   :defer 0.4
1346   :bind (:map lean-mode-map
1347               ("S-SPC" . company-complete))
1348   :config
1349   (require 'lean-input)
1350   (setq default-input-method "Lean"
1351         lean-input-tweak-all '(lean-input-compose
1352                                (lean-input-prepend "/")
1353                                (lean-input-nonempty))
1354         lean-input-user-translations '(("/" "/")))
1355   (lean-input-setup))
1356
1357 (comment
1358   (use-package proof-site                 ; for Coq
1359     :straight proof-general)
1360
1361   (use-package haskell-mode
1362     :config
1363     (setq haskell-indentation-layout-offset 4
1364           haskell-indentation-left-offset 4
1365           flycheck-checker 'haskell-hlint
1366           flycheck-disabled-checkers '(haskell-stack-ghc haskell-ghc)))
1367
1368   (use-package dante
1369     :after haskell-mode
1370     :commands dante-mode
1371     :hook (haskell-mode . dante-mode))
1372
1373   (use-package hlint-refactor
1374     :after haskell-mode
1375     :bind (:map hlint-refactor-mode-map
1376                 ("C-c l b" . hlint-refactor-refactor-buffer)
1377                 ("C-c l r" . hlint-refactor-refactor-at-point))
1378     :hook (haskell-mode . hlint-refactor-mode))
1379
1380   (use-package flycheck-haskell
1381     :after haskell-mode)
1382   ;; alternative: hs-lint https://github.com/ndmitchell/hlint/blob/20e116a043f2073c57b17b24ae6364b5e433ba7e/data/hs-lint.el
1383   )
1384
1385 (use-feature sgml-mode
1386   :config
1387   (setq sgml-basic-offset 2))
1388
1389 (use-feature css-mode
1390   :config
1391   (setq css-indent-offset 2))
1392
1393 (use-package web-mode
1394   :mode "\\.html\\'"
1395   :config
1396   (b/setq-every 2
1397     web-mode-code-indent-offset
1398     web-mode-css-indent-offset
1399     web-mode-markup-indent-offset))
1400
1401 (use-package emmet-mode
1402   :after (:any web-mode css-mode sgml-mode)
1403   :bind* (("C-)" . emmet-next-edit-point)
1404           ("C-(" . emmet-prev-edit-point))
1405   :config
1406   (unbind-key "C-j" emmet-mode-keymap)
1407   (setq emmet-move-cursor-between-quotes t)
1408   :hook (web-mode css-mode html-mode sgml-mode))
1409
1410 (comment
1411   (use-package meghanada
1412     :bind
1413     (:map meghanada-mode-map
1414           (("C-M-o" . meghanada-optimize-import)
1415            ("C-M-t" . meghanada-import-all)))
1416     :hook (java-mode . meghanada-mode)))
1417
1418 (comment
1419   (use-package treemacs
1420     :config (setq treemacs-never-persist t))
1421
1422   (use-package yasnippet
1423     :config
1424     ;; (yas-global-mode)
1425     )
1426
1427   (use-package lsp-mode
1428     :init (setq lsp-eldoc-render-all nil
1429                 lsp-highlight-symbol-at-point nil)
1430     )
1431
1432   (use-package hydra)
1433
1434   (use-package company-lsp
1435     :after company
1436     :config
1437     (setq company-lsp-cache-candidates t
1438           company-lsp-async t))
1439
1440   (use-package lsp-ui
1441     :config
1442     (setq lsp-ui-sideline-update-mode 'point))
1443
1444   (use-package lsp-java
1445     :config
1446     (add-hook 'java-mode-hook
1447               (lambda ()
1448                 (setq-local company-backends (list 'company-lsp))))
1449
1450     (add-hook 'java-mode-hook 'lsp-java-enable)
1451     (add-hook 'java-mode-hook 'flycheck-mode)
1452     (add-hook 'java-mode-hook 'company-mode)
1453     (add-hook 'java-mode-hook 'lsp-ui-mode))
1454
1455   (use-package dap-mode
1456     :after lsp-mode
1457     :config
1458     (dap-mode t)
1459     (dap-ui-mode t))
1460
1461   (use-package dap-java
1462     :after (lsp-java))
1463
1464   (use-package lsp-java-treemacs
1465     :after (treemacs)))
1466
1467 (comment
1468   (use-package eclim
1469     :bind (:map eclim-mode-map ("S-SPC" . company-complete))
1470     :hook ((java-mode . eclim-mode)
1471            (eclim-mode . (lambda ()
1472                            (make-local-variable 'company-idle-delay)
1473                            (defvar company-idle-delay)
1474                            ;; (setq company-idle-delay 0.7)
1475                            (setq company-idle-delay nil))))
1476     :custom
1477     (eclim-auto-save nil)
1478     ;; (eclimd-default-workspace "~/src/eclipse-workspace-exp")
1479     (eclim-executable "~/.p2/pool/plugins/org.eclim_2.8.0/bin/eclim")
1480     (eclim-eclipse-dirs '("~/usr/eclipse/dsl-2018-09/eclipse"))))
1481
1482 (use-package geiser)
1483
1484 (use-feature geiser-guile
1485   :config
1486   (setq geiser-guile-load-path "~/src/git/guix"))
1487
1488 (use-package guix)
1489
1490 (comment
1491   (use-package auctex
1492     :custom
1493     (font-latex-fontify-sectioning 'color)))
1494
1495 (use-package go-mode)
1496
1497 (use-package po-mode
1498   :hook
1499   (po-mode . (lambda () (run-with-timer 0.1 nil 'View-exit))))
1500
1501 (use-feature tex-mode
1502   :config
1503   (cl-delete-if
1504    (lambda (p) (string-match "^---?" (car p)))
1505    tex--prettify-symbols-alist)
1506   :hook ((tex-mode . auto-fill-mode)
1507          (tex-mode . flyspell-mode)))
1508
1509 \f
1510 ;;; Theme
1511
1512 (add-to-list 'custom-theme-load-path
1513              (expand-file-name
1514               (convert-standard-filename "lisp") user-emacs-directory))
1515 (load-theme 'tangomod t)
1516
1517 (use-package smart-mode-line
1518   :commands (sml/apply-theme)
1519   :demand
1520   :config
1521   (sml/setup)
1522   (smart-mode-line-enable))
1523
1524 (use-package doom-modeline
1525   :disabled
1526   :demand
1527   :hook (after-init . doom-modeline-init)
1528   :custom
1529   (doom-modeline-buffer-file-name-style 'relative-to-project))
1530
1531 (use-package doom-themes)
1532
1533 (defvar b/org-mode-font-lock-keywords
1534   '(("[ \t]*\\(#\\+\\(BEGIN\\|END\\|begin\\|end\\)_\\(\\S-+\\)\\)[ \t]*\\([^\n:]*\\)"
1535       (1 '(:foreground "#5a5b5a" :background "#292b2b") t) ; directive
1536       (3 '(:foreground "#81a2be" :background "#292b2b") t) ; kind
1537       (4 '(:foreground "#c5c8c6") t))))                    ; title
1538
1539 (defun b/lights-on ()
1540   "Enable my favourite light theme."
1541   (interactive)
1542   (mapc #'disable-theme custom-enabled-themes)
1543   (load-theme 'tangomod t)
1544   (sml/apply-theme 'automatic)
1545   (font-lock-remove-keywords
1546    'org-mode b/org-mode-font-lock-keywords))
1547
1548 (defun b/lights-off ()
1549   "Go dark."
1550   (interactive)
1551   (mapc #'disable-theme custom-enabled-themes)
1552   (load-theme 'doom-tomorrow-night t)
1553   (sml/apply-theme 'automatic)
1554   (font-lock-add-keywords
1555    'org-mode b/org-mode-font-lock-keywords t))
1556
1557 (bind-keys
1558  ("C-c t d" . b/lights-off)
1559  ("C-c t l" . b/lights-on))
1560
1561 \f
1562 ;;; Emacs enhancements & auxiliary packages
1563
1564 (use-package man
1565   :config (setq Man-width 80))
1566
1567 (use-package which-key
1568   :defer 0.4
1569   :delight
1570   :config
1571   (which-key-add-key-based-replacements
1572     ;; prefixes for global prefixes and minor modes
1573     "C-c @"   "outline"
1574     "C-c !"   "flycheck"
1575     "C-c 8"   "typo"
1576     "C-c 8 -" "typo/dashes"
1577     "C-c 8 <" "typo/left-brackets"
1578     "C-c 8 >" "typo/right-brackets"
1579     "C-x 8"   "unicode"
1580     "C-x a"   "abbrev/expand"
1581     "C-x r"   "rectangle/register/bookmark"
1582     "C-x v"   "version control"
1583     ;; prefixes for my personal bindings
1584     "C-c a"   "applications"
1585     "C-c a e" "erc"
1586     "C-c a o" "org"
1587     "C-c a s" "shells"
1588     "C-c b"   "buffers"
1589     "C-c c"   "compile-and-comments"
1590     "C-c e"   "eval"
1591     "C-c f"   "files"
1592     "C-c F"   "frames"
1593     "C-c g"   "magit"
1594     "C-S-h"   "help(ful)"
1595     "C-c m"   "multiple-cursors"
1596     "C-c P"   "projectile"
1597     "C-c P s" "projectile/search"
1598     "C-c P x" "projectile/execute"
1599     "C-c P 4" "projectile/other-window"
1600     "C-c q"   "boxquote"
1601     "C-c t"   "themes"
1602     ;; "s-O"     "outline"
1603     )
1604
1605   ;; prefixes for major modes
1606   (which-key-add-major-mode-key-based-replacements 'message-mode
1607     "C-c f n" "footnote")
1608   (which-key-add-major-mode-key-based-replacements 'org-mode
1609     "C-c C-v" "org-babel")
1610   (which-key-add-major-mode-key-based-replacements 'web-mode
1611     "C-c C-a" "web/attributes"
1612     "C-c C-b" "web/blocks"
1613     "C-c C-d" "web/dom"
1614     "C-c C-e" "web/element"
1615     "C-c C-t" "web/tags")
1616
1617   (which-key-mode)
1618   :custom
1619   (which-key-add-column-padding 5)
1620   (which-key-max-description-length 32))
1621
1622 (use-package crux            ; results in Waiting for git... [2 times]
1623   :defer 0.4
1624   :bind (("C-c d"   . crux-duplicate-current-line-or-region)
1625          ("C-c D"   . crux-duplicate-and-comment-current-line-or-region)
1626          ("C-c f C" . crux-copy-file-preserve-attributes)
1627          ("C-c f D" . crux-delete-file-and-buffer)
1628          ("C-c f R" . crux-rename-file-and-buffer)
1629          ("C-c j"   . crux-top-join-line)
1630          ("C-S-j"   . crux-top-join-line)))
1631
1632 (use-package mwim
1633   :bind (("C-a"    . mwim-beginning-of-code-or-line)
1634          ("C-e"    . mwim-end-of-code-or-line)
1635          ("<home>" . mwim-beginning-of-line-or-code)
1636          ("<end>"  . mwim-end-of-line-or-code)))
1637
1638 (use-package projectile
1639   :defer 0.5
1640   :bind-keymap ("C-c P" . projectile-command-map)
1641   :config
1642   (projectile-mode)
1643
1644   (defun b/projectile-mode-line-fun ()
1645   "Report project name and type in the modeline."
1646   (let ((project-name (projectile-project-name))
1647         (project-type (projectile-project-type)))
1648     (format "%s%s"
1649             projectile-mode-line-prefix
1650             (if project-type
1651                 (format ":%s" project-type)
1652               ""))))
1653   (setq projectile-mode-line-function 'b/projectile-mode-line-fun)
1654
1655   (defun my-projectile-invalidate-cache (&rest _args)
1656     ;; ignore the args to `magit-checkout'
1657     (projectile-invalidate-cache nil))
1658
1659   (eval-after-load 'magit-branch
1660     '(progn
1661        (advice-add 'magit-checkout
1662                    :after #'my-projectile-invalidate-cache)
1663        (advice-add 'magit-branch-and-checkout
1664                    :after #'my-projectile-invalidate-cache)))
1665   :custom
1666   (projectile-completion-system 'ivy)
1667   (projectile-mode-line-prefix " proj"))
1668
1669 (use-package helpful
1670   :defer 0.6
1671   :bind
1672   (("C-S-h c" . helpful-command)
1673    ("C-S-h f" . helpful-callable)        ; helpful-function
1674    ("C-S-h v" . helpful-variable)
1675    ("C-S-h k" . helpful-key)
1676    ("C-S-h p" . helpful-at-point)))
1677
1678 (use-package unkillable-scratch
1679   :defer 0.6
1680   :config
1681   (unkillable-scratch 1)
1682   :custom
1683   (unkillable-buffers '("^\\*scratch\\*$" "^\\*Messages\\*$")))
1684
1685 ;; ,----
1686 ;; | make pretty boxed quotes like this
1687 ;; `----
1688 (use-package boxquote
1689   :defer 0.6
1690   :bind
1691   (:prefix-map b/boxquote-prefix-map
1692                :prefix "C-c q"
1693                ("b"   . boxquote-buffer)
1694                ("B"   . boxquote-insert-buffer)
1695                ("d"   . boxquote-defun)
1696                ("F"   . boxquote-insert-file)
1697                ("hf"  . boxquote-describe-function)
1698                ("hk"  . boxquote-describe-key)
1699                ("hv"  . boxquote-describe-variable)
1700                ("hw"  . boxquote-where-is)
1701                ("k"   . boxquote-kill)
1702                ("p"   . boxquote-paragraph)
1703                ("q"   . boxquote-boxquote)
1704                ("r"   . boxquote-region)
1705                ("s"   . boxquote-shell-command)
1706                ("t"   . boxquote-text)
1707                ("T"   . boxquote-title)
1708                ("u"   . boxquote-unbox)
1709                ("U"   . boxquote-unbox-region)
1710                ("y"   . boxquote-yank)
1711                ("M-q" . boxquote-fill-paragraph)
1712                ("M-w" . boxquote-kill-ring-save)))
1713
1714 (use-package orgalist
1715   ;; http://lists.gnu.org/archive/html/emacs-orgmode/2019-04/msg00007.html
1716   :disabled t
1717   :after message
1718   :hook (message-mode . orgalist-mode))
1719
1720 ;; easily type pretty quotes & other typography, like ‘’“”-–—«»‹›
1721 (use-package typo
1722   :defer 0.5
1723   :delight " typo"
1724   :config
1725   (typo-global-mode 1)
1726   :hook (((text-mode erc-mode) . typo-mode)
1727          (tex-mode             . (lambda ()(typo-mode -1)))))
1728
1729 ;; highlight TODOs in buffers
1730 (use-package hl-todo
1731   :defer 0.5
1732   :config
1733   (global-hl-todo-mode))
1734
1735 (use-package shrink-path
1736   :defer 0.5
1737   :after eshell
1738   :config
1739   (defvar user-@-host (concat (user-login-name) "@" (system-name) " "))
1740   (defun +eshell/prompt ()
1741     (let ((base/dir (shrink-path-prompt default-directory)))
1742       (concat (propertize user-@-host 'face 'default)
1743               (propertize (car base/dir)
1744                           'face 'font-lock-comment-face)
1745               (propertize (cdr base/dir)
1746                           'face 'font-lock-constant-face)
1747               (propertize "> " 'face 'default))))
1748   (setq eshell-prompt-regexp (concat user-@-host ".*> ")
1749         eshell-prompt-function #'+eshell/prompt))
1750
1751 (use-package eshell-up
1752   :after eshell
1753   :commands eshell-up)
1754
1755 (use-package multi-term
1756   :disabled
1757   :defer 0.6
1758   :bind (("C-c a s m m" . multi-term)
1759          ("C-c a s m d" . multi-term-dedicated-toggle)
1760          ("C-c a s m p" . multi-term-prev)
1761          ("C-c a s m n" . multi-term-next)
1762          :map term-mode-map
1763          ("C-c C-j" . term-char-mode))
1764   :config
1765   (setq multi-term-program "screen"
1766         multi-term-program-switches (concat "-c"
1767                                             (getenv "XDG_CONFIG_HOME")
1768                                             "/screen/screenrc")
1769         ;; TODO: add separate bindings for connecting to existing
1770         ;; session vs. always creating a new one
1771         multi-term-dedicated-select-after-open-p t
1772         multi-term-dedicated-window-height 20
1773         multi-term-dedicated-max-window-height 30
1774         term-bind-key-alist
1775         '(("C-c C-c" . term-interrupt-subjob)
1776           ("C-c C-e" . term-send-esc)
1777           ("C-c C-j" . term-line-mode)
1778           ("C-k" . kill-line)
1779           ;; ("C-y" . term-paste)
1780           ("C-y" . term-send-raw)
1781           ("M-f" . term-send-forward-word)
1782           ("M-b" . term-send-backward-word)
1783           ("M-p" . term-send-up)
1784           ("M-n" . term-send-down)
1785           ("M-j" . term-send-raw-meta)
1786           ("M-y" . term-send-raw-meta)
1787           ("M-/" . term-send-raw-meta)
1788           ("M-0" . term-send-raw-meta)
1789           ("M-1" . term-send-raw-meta)
1790           ("M-2" . term-send-raw-meta)
1791           ("M-3" . term-send-raw-meta)
1792           ("M-4" . term-send-raw-meta)
1793           ("M-5" . term-send-raw-meta)
1794           ("M-6" . term-send-raw-meta)
1795           ("M-7" . term-send-raw-meta)
1796           ("M-8" . term-send-raw-meta)
1797           ("M-9" . term-send-raw-meta)
1798           ("<C-backspace>" . term-send-backward-kill-word)
1799           ("<M-DEL>" . term-send-backward-kill-word)
1800           ("M-d" . term-send-delete-word)
1801           ("M-," . term-send-raw)
1802           ("M-." . comint-dynamic-complete))
1803         term-unbind-key-alist
1804         '("C-z" "C-x" "C-c" "C-h"
1805           ;; "C-y"
1806           "<ESC>")))
1807
1808 (use-package page-break-lines
1809   :defer 0.5
1810   :delight " pgln"
1811   :custom
1812   (page-break-lines-max-width fill-column)
1813   :config
1814   (global-page-break-lines-mode))
1815
1816 (use-package expand-region
1817   :bind ("C-=" . er/expand-region))
1818
1819 (use-package multiple-cursors
1820   :bind
1821   (("C-S-<mouse-1>" . mc/add-cursor-on-click)
1822    (:prefix-map b/mc-prefix-map
1823                :prefix "C-c m"
1824                ("c" . mc/edit-lines)
1825                ("n" . mc/mark-next-like-this)
1826                ("p" . mc/mark-previous-like-this)
1827                ("a" . mc/mark-all-like-this))))
1828
1829 (comment
1830   ;; TODO
1831   (use-package forge
1832     :after magit
1833     :demand))
1834
1835 (use-package yasnippet
1836   :defer 0.6
1837   :config
1838   (defconst yas-verbosity-cur yas-verbosity)
1839   (setq yas-verbosity 2)
1840   (add-to-list 'yas-snippet-dirs "~/src/git/guix/etc/snippets" t)
1841   (yas-reload-all)
1842   (setq yas-verbosity yas-verbosity-cur)
1843
1844   (defun b/yas--maybe-expand-key-filter (cmd)
1845     (when (and (yas--maybe-expand-key-filter cmd)
1846                (not (bound-and-true-p git-commit-mode)))
1847       cmd))
1848   (defconst b/yas-maybe-expand
1849     '(menu-item "" yas-expand :filter b/yas--maybe-expand-key-filter))
1850   (define-key yas-minor-mode-map
1851     (kbd "SPC") b/yas-maybe-expand)
1852
1853   (yas-global-mode))
1854
1855 (use-package debbugs
1856   :straight (debbugs
1857              :host github
1858              :repo "emacs-straight/debbugs"
1859              :files (:defaults "Debbugs.wsdl")))
1860
1861 (use-package org-ref
1862   :init
1863   (b/setq-every '("~/usr/org/references.bib")
1864     reftex-default-bibliography
1865     org-ref-default-bibliography)
1866   (setq
1867    org-ref-bibliography-notes "~/usr/org/notes.org"
1868    org-ref-pdf-directory "~/usr/org/bibtex-pdfs/"))
1869
1870 (use-package alert
1871   :commands (alert)
1872   :init (setq alert-default-style 'notifications))
1873
1874 ;; (use-package fill-column-indicator)
1875
1876 (use-package emojify
1877   :hook (erc-mode . emojify-mode))
1878
1879 (use-feature window
1880   :bind
1881   (("C-c w <right>" . split-window-right)
1882    ("C-c w <down>"  . split-window-below)
1883    ("C-c w s l"     . split-window-right)
1884    ("C-c w s j"     . split-window-below)
1885    ("C-c w q"       . quit-window))
1886   :custom
1887   (split-width-threshold 150))
1888
1889 (use-feature windmove
1890   :defer 0.6
1891   :bind
1892   (("C-c w h" . windmove-left)
1893    ("C-c w j" . windmove-down)
1894    ("C-c w k" . windmove-up)
1895    ("C-c w l" . windmove-right)
1896    ("C-c w H" . windmove-swap-states-left)
1897    ("C-c w J" . windmove-swap-states-down)
1898    ("C-c w K" . windmove-swap-states-up)
1899    ("C-c w L" . windmove-swap-states-right)))
1900
1901 (use-package pass
1902   :commands pass
1903   :bind ("C-c a p" . pass)
1904   :hook (pass-mode . View-exit))
1905
1906 (use-package pdf-tools
1907   :defer 0.5
1908   :bind (:map pdf-view-mode-map
1909               ("<C-XF86Back>"    . pdf-history-backward)
1910               ("<mouse-8>"       . pdf-history-backward)
1911               ("<drag-mouse-8>"  . pdf-history-backward)
1912               ("<C-XF86Forward>" . pdf-history-forward)
1913               ("<mouse-9>"       . pdf-history-forward)
1914               ("<drag-mouse-9>"  . pdf-history-forward)
1915               ("M-RET"           . image-previous-line))
1916   :config (pdf-tools-install nil t)
1917   :custom (pdf-view-resize-factor 1.05))
1918
1919 (use-package biblio)
1920
1921 (use-feature reftex
1922   :hook (latex-mode . reftex-mode))
1923
1924 (use-feature reftex-cite
1925   :after reftex
1926   :disabled                             ; enable to disable
1927                                         ; reftex-cite's default choice
1928                                         ; of previous word
1929   :config
1930   (defun reftex-get-bibkey-default ()
1931     "If the cursor is in a citation macro, return the word before the macro."
1932     (let* ((macro (reftex-what-macro 1)))
1933       (save-excursion
1934         (when (and macro (string-match "cite" (car macro)))
1935           (goto-char (cdr macro)))
1936         (reftex-this-word)))))
1937
1938 \f
1939 ;;; Email (with Gnus)
1940
1941 (defvar b/maildir (expand-file-name "~/mail/"))
1942 (with-eval-after-load 'recentf
1943   (add-to-list 'recentf-exclude b/maildir))
1944
1945 (setq
1946  b/gnus-init-file  (b/etc "gnus")
1947  mail-user-agent   'gnus-user-agent
1948  read-mail-command 'gnus)
1949
1950 (use-feature gnus
1951   :bind (("s-m"     . gnus)
1952          ("s-M"     . gnus-unplugged)
1953          ("C-c a m" . gnus)
1954          ("C-c a M" . gnus-unplugged))
1955   :init
1956   (setq
1957    gnus-select-method '(nnnil "")
1958    gnus-secondary-select-methods
1959    '((nnimap "shemshak"
1960             (nnimap-stream plain)
1961             (nnimap-address "127.0.0.1")
1962             (nnimap-server-port 143)
1963             (nnimap-authenticator plain)
1964             (nnimap-user "amin@shemshak.local"))
1965      (nnimap "gnu"
1966             (nnimap-stream plain)
1967             (nnimap-address "127.0.0.1")
1968             (nnimap-server-port 143)
1969             (nnimap-authenticator plain)
1970             (nnimap-user "bandali@gnu.local")
1971             (nnimap-inbox "INBOX")
1972             (nnimap-split-methods 'nnimap-split-fancy)
1973             (nnimap-split-fancy (|
1974                                  ;; (: gnus-registry-split-fancy-with-parent)
1975                                  ;; (: gnus-group-split-fancy "INBOX" t "INBOX")
1976                                  ;; gnu
1977                                  (list ".*<\\(.*\\)\\.\\(non\\)?gnu\\.org>.*" "l.\\1")
1978                                  ;; *@lists.sr.ht, omitting one dot if present
1979                                  ;;    add more \\.?\\([^.@]*\\) if needed
1980                                  (list ".*<~\\(.*\\)/\\([^.@]*\\)\\.?\\([^.@]*\\)@lists.sr.ht>.*" "l.~\\1.\\2\\3")
1981                                  ;; webmasters
1982                                  (from "webmasters\\(-comment\\)?@gnu\\.org" "webmasters")
1983                                  ;; other
1984                                  (list ".*atreus.freelists.org" "l.atreus")
1985                                  (list ".*deepspec.lists.cs.princeton.edu" "l.deepspec")
1986                                  ;; (list ".*haskell-art.we.lurk.org" "l.haskell.art") ;d
1987                                  (list ".*haskell-cafe.haskell.org" "l.haskell-cafe")
1988                                  ;; (list ".*notmuch.notmuchmail.org" "l.notmuch") ;u
1989                                  ;; (list ".*dev.lists.parabola.nu" "l.parabola-dev") ;u
1990                                  ;; ----------------------------------
1991                                  ;; legend: (u)nsubscribed | (d)ead
1992                                  ;; ----------------------------------
1993                                  ;; otherwise, leave mail in INBOX
1994                                  "INBOX")))
1995      (nnimap "uw"
1996              (nnimap-stream plain)
1997              (nnimap-address "127.0.0.1")
1998              (nnimap-server-port 143)
1999              (nnimap-authenticator plain)
2000              (nnimap-user "abandali@uw.local")
2001              (nnimap-inbox "INBOX")
2002              (nnimap-split-methods 'nnimap-split-fancy)
2003              (nnimap-split-fancy (|
2004                                   ;; (: gnus-registry-split-fancy-with-parent)
2005                                   ;; se212-f19
2006                                   ("subject" "SE\\s-?212" "course.se212-f19")
2007                                   (from "SE\\s-?212" "course.se212-f19")
2008                                   ;; catch-all
2009                                   "INBOX")))
2010      (nnimap "csc"
2011              (nnimap-stream plain)
2012              (nnimap-address "127.0.0.1")
2013              (nnimap-server-port 143)
2014              (nnimap-authenticator plain)
2015              (nnimap-user "abandali@csc.uw.local")))
2016    gnus-message-archive-group "nnimap+shemshak:Sent"
2017    gnus-parameters
2018    '(("l\\.atreus"
2019       (to-address . "atreus@freelists.org")
2020       (to-list    . "atreus@freelists.org"))
2021      ("l\\.deepspec"
2022       (to-address . "deepspec@lists.cs.princeton.edu")
2023       (to-list    . "deepspec@lists.cs.princeton.edu")
2024       (list-identifier . "\\[deepspec\\]"))
2025      ("l\\.emacs-devel"
2026       (to-address . "emacs-devel@gnu.org")
2027       (to-list    . "emacs-devel@gnu.org"))
2028      ("l\\.help-gnu-emacs"
2029       (to-address . "help-gnu-emacs@gnu.org")
2030       (to-list    . "help-gnu-emacs@gnu.org"))
2031      ("l\\.info-gnu-emacs"
2032       (to-address . "info-gnu-emacs@gnu.org")
2033       (to-list    . "info-gnu-emacs@gnu.org"))
2034      ("l\\.emacs-orgmode"
2035       (to-address . "emacs-orgmode@gnu.org")
2036       (to-list    . "emacs-orgmode@gnu.org")
2037       (list-identifier . "\\[O\\]"))
2038      ("l\\.emacs-tangents"
2039       (to-address . "emacs-tangents@gnu.org")
2040       (to-list    . "emacs-tangents@gnu.org"))
2041      ("l\\.emacsconf-discuss"
2042       (to-address . "emacsconf-discuss@gnu.org")
2043       (to-list    . "emacsconf-discuss@gnu.org"))
2044      ("l\\.emacsconf-register"
2045       (to-address . "emacsconf-register@gnu.org")
2046       (to-list    . "emacsconf-register@gnu.org"))
2047      ("l\\.emacsconf-submit"
2048       (to-address . "emacsconf-submit@gnu.org")
2049       (to-list    . "emacsconf-submit@gnu.org"))
2050      ("l\\.fencepost-users"
2051       (to-address . "fencepost-users@gnu.org")
2052       (to-list    . "fencepost-users@gnu.org")
2053       (list-identifier . "\\[Fencepost-users\\]"))
2054      ("l\\.gnewsense-art"
2055       (to-address . "gnewsense-art@nongnu.org")
2056       (to-list    . "gnewsense-art@nongnu.org")
2057       (list-identifier . "\\[gNewSense-art\\]"))
2058      ("l\\.gnewsense-dev"
2059       (to-address . "gnewsense-dev@nongnu.org")
2060       (to-list    . "gnewsense-dev@nongnu.org")
2061       (list-identifier . "\\[Gnewsense-dev\\]"))
2062      ("l\\.gnewsense-users"
2063       (to-address . "gnewsense-users@nongnu.org")
2064       (to-list    . "gnewsense-users@nongnu.org")
2065       (list-identifier . "\\[gNewSense-users\\]"))
2066      ("l\\.gnunet-developers"
2067       (to-address . "gnunet-developers@gnu.org")
2068       (to-list    . "gnunet-developers@gnu.org")
2069       (list-identifier . "\\[GNUnet-developers\\]"))
2070      ("l\\.help-gnunet"
2071       (to-address . "help-gnunet@gnu.org")
2072       (to-list    . "help-gnunet@gnu.org")
2073       (list-identifier . "\\[Help-gnunet\\]"))
2074      ("l\\.bug-gnuzilla"
2075       (to-address . "bug-gnuzilla@gnu.org")
2076       (to-list    . "bug-gnuzilla@gnu.org")
2077       (list-identifier . "\\[Bug-gnuzilla\\]"))
2078      ("l\\.gnuzilla-dev"
2079       (to-address . "gnuzilla-dev@gnu.org")
2080       (to-list    . "gnuzilla-dev@gnu.org")
2081       (list-identifier . "\\[Gnuzilla-dev\\]"))
2082      ("l\\.guile-devel"
2083       (to-address . "guile-devel@gnu.org")
2084       (to-list    . "guile-devel@gnu.org"))
2085      ("l\\.guile-user"
2086       (to-address . "guile-user@gnu.org")
2087       (to-list    . "guile-user@gnu.org"))
2088      ("l\\.guix-devel"
2089       (to-address . "guix-devel@gnu.org")
2090       (to-list    . "guix-devel@gnu.org"))
2091      ("l\\.help-guix"
2092       (to-address . "help-guix@gnu.org")
2093       (to-list    . "help-guix@gnu.org"))
2094      ("l\\.info-guix"
2095       (to-address . "info-guix@gnu.org")
2096       (to-list    . "info-guix@gnu.org"))
2097      ("l\\.savannah-hackers-public"
2098       (to-address . "savannah-hackers-public@gnu.org")
2099       (to-list    . "savannah-hackers-public@gnu.org"))
2100      ("l\\.savannah-users"
2101       (to-address . "savannah-users@gnu.org")
2102       (to-list    . "savannah-users@gnu.org"))
2103      ("l\\.www-commits"
2104       (to-address . "www-commits@gnu.org")
2105       (to-list    . "www-commits@gnu.org"))
2106      ("l\\.www-discuss"
2107       (to-address . "www-discuss@gnu.org")
2108       (to-list    . "www-discuss@gnu.org"))
2109      ("l\\.haskell-art"
2110       (to-address . "haskell-art@we.lurk.org")
2111       (to-list    . "haskell-art@we.lurk.org")
2112       (list-identifier . "\\[haskell-art\\]"))
2113      ("l\\.haskell-cafe"
2114       (to-address . "haskell-cafe@haskell.org")
2115       (to-list    . "haskell-cafe@haskell.org")
2116       (list-identifier . "\\[Haskell-cafe\\]"))
2117      ("l\\.notmuch"
2118       (to-address . "notmuch@notmuchmail.org")
2119       (to-list    . "notmuch@notmuchmail.org"))
2120      ("l\\.parabola-dev"
2121       (to-address . "dev@lists.parabola.nu")
2122       (to-list    . "dev@lists.parabola.nu")
2123       (list-identifier . "\\[Dev\\]"))
2124      ("l\\.~bandali\\.public-inbox"
2125       (to-address . "~bandali/public-inbox@lists.sr.ht")
2126       (to-list    . "~bandali/public-inbox@lists.sr.ht"))
2127      ("l\\.~sircmpwn\\.free-writers-club"
2128       (to-address . "~sircmpwn/free-writers-club@lists.sr.ht")
2129       (to-list    . "~sircmpwn/free-writers-club@lists.sr.ht"))
2130      ("l\\.~sircmpwn\\.srht-admins"
2131       (to-address . "~sircmpwn/sr.ht-admins@lists.sr.ht")
2132       (to-list    . "~sircmpwn/sr.ht-admins@lists.sr.ht"))
2133      ("l\\.~sircmpwn\\.srht-announce"
2134       (to-address . "~sircmpwn/sr.ht-announce@lists.sr.ht")
2135       (to-list    . "~sircmpwn/sr.ht-announce@lists.sr.ht"))
2136      ("l\\.~sircmpwn\\.srht-dev"
2137       (to-address . "~sircmpwn/sr.ht-dev@lists.sr.ht")
2138       (to-list    . "~sircmpwn/sr.ht-dev@lists.sr.ht"))
2139      ("l\\.~sircmpwn\\.srht-discuss"
2140       (to-address . "~sircmpwn/sr.ht-discuss@lists.sr.ht")
2141       (to-list    . "~sircmpwn/sr.ht-discuss@lists.sr.ht"))
2142      ("webmasters"
2143       (to-address . "webmasters@gnu.org")
2144       (to-list    . "webmasters@gnu.org"))
2145      ("gnu.*"
2146       (gcc-self . t))
2147      ("gnu\\."
2148       (subscribed . t))
2149      ("nnimap\\+uw:.*"
2150       (gcc-self . t)))
2151    gnus-large-newsgroup  50
2152    gnus-home-directory   (b/var "gnus/")
2153    gnus-directory        (concat gnus-home-directory "news/")
2154    message-directory     (concat gnus-home-directory "mail/")
2155    nndraft-directory     (concat gnus-home-directory "drafts/")
2156    gnus-save-newsrc-file nil
2157    gnus-read-newsrc-file nil
2158    gnus-interactive-exit nil
2159    gnus-gcc-mark-as-read t)
2160   :config
2161   (require 'ebdb)
2162   (require 'ebdb-mua)
2163   (require 'ebdb-gnus)
2164
2165   (when (version< emacs-version "27")
2166     (add-to-list
2167      'nnmail-split-abbrev-alist
2168      '(list . "list-id\\|list-post\\|x-mailing-list\\|x-beenthere\\|x-loop")
2169      t))
2170
2171   ;; (gnus-registry-initialize)
2172
2173   (with-eval-after-load 'recentf
2174     (add-to-list 'recentf-exclude gnus-home-directory)))
2175
2176 (use-feature gnus-art
2177   :config
2178   (setq
2179    gnus-buttonized-mime-types '("multipart/\\(signed\\|encrypted\\)")
2180    gnus-visible-headers
2181    (concat gnus-visible-headers "\\|^List-Id:\\|^X-RT-Originator:\\|^User-Agent:")
2182    gnus-sorted-header-list
2183    '("^From:" "^Subject:" "^Summary:" "^Keywords:"
2184      "^Followup-To:" "^To:" "^Cc:" "X-RT-Originator"
2185      "^Newsgroups:" "List-Id:" "^Organization:"
2186      "^User-Agent:" "^Date:")
2187   ;; local-lapsed article dates
2188   ;; from https://www.emacswiki.org/emacs/GnusFormatting#toc11
2189   gnus-article-date-headers '(user-defined)
2190   gnus-article-time-format
2191   (lambda (time)
2192     (let* ((date (format-time-string "%a, %d %b %Y %T %z" time))
2193            (local (article-make-date-line date 'local))
2194            (combined-lapsed (article-make-date-line date
2195                                                     'combined-lapsed))
2196            (lapsed (progn
2197                      (string-match " (.+" combined-lapsed)
2198                      (match-string 0 combined-lapsed))))
2199       (concat local lapsed))))
2200   (bind-keys
2201    :map gnus-article-mode-map
2202    ("M-L" . org-store-link)))
2203
2204 (use-feature gnus-sum
2205   :bind (:map gnus-summary-mode-map
2206               :prefix-map b/gnus-summary-prefix-map
2207               :prefix "v"
2208               ("r" . gnus-summary-reply)
2209               ("w" . gnus-summary-wide-reply)
2210               ("v" . gnus-summary-show-raw-article))
2211   :config
2212   (bind-keys
2213    :map gnus-summary-mode-map
2214    ("M-L" . org-store-link))
2215   :hook (gnus-summary-mode . b/no-mouse-autoselect-window)
2216   :custom
2217   (gnus-thread-sort-functions '(gnus-thread-sort-by-number
2218                                 gnus-thread-sort-by-subject
2219                                 gnus-thread-sort-by-date)))
2220
2221 (use-feature gnus-msg
2222   :config
2223   (defvar b/signature "Amin Bandali
2224 Free Software Activist | GNU Webmaster & Volunteer
2225 GPG: BE62 7373 8E61 6D6D 1B3A  08E8 A21A 0202 4881 6103
2226 https://shemshak.org/~amin")
2227   (defvar b/gnu-signature "Amin Bandali
2228 Free Software Activist | GNU Webmaster & Volunteer
2229 GPG: BE62 7373 8E61 6D6D 1B3A  08E8 A21A 0202 4881 6103
2230 https://bandali.eu.org")
2231   (defvar b/uw-signature "Amin Bandali, MMath Student
2232 Cheriton School of Computer Science
2233 University of Waterloo
2234 https://bandali.eu.org")
2235   (defvar b/csc-signature "Amin Bandali
2236 Systems Committee
2237 Computer Science Club, University of Waterloo
2238 https://csclub.uwaterloo.ca/~abandali")
2239   (setq gnus-posting-styles
2240         '((".*"
2241            (address "amin@shemshak.org")
2242            (body "\nBest,\n")
2243            (signature b/signature)
2244            (eval (setq b/message-cite-say-hi t)))
2245           ("nnimap\\+gnu:.*"
2246            (address "bandali@gnu.org")
2247            (signature b/gnu-signature)
2248            (eval (set (make-local-variable 'message-user-fqdn) "fencepost.gnu.org")))
2249           ((header "subject" "ThankCRM")
2250            (to "webmasters-comment@gnu.org")
2251            (body "")
2252            (eval (setq b/message-cite-say-hi nil)))
2253           ("nnimap\\+uw:.*"
2254            (address "abandali@uwaterloo.ca")
2255            (signature b/uw-signature))
2256           ("nnimap\\+uw:INBOX"
2257            (gcc "\"nnimap+uw:Sent Items\""))
2258           ("nnimap\\+csc:.*"
2259            (address "abandali@csclub.uwaterloo.ca")
2260            (signature b/csc-signature)
2261            (gcc "nnimap+csc:Sent")))))
2262
2263 (use-feature gnus-topic
2264   :hook (gnus-group-mode . gnus-topic-mode)
2265   :config (setq gnus-topic-line-format "%i[ %A: %(%{%n%}%) ]%v\n"))
2266
2267 (use-feature gnus-agent
2268   :config
2269   (setq gnus-agent-synchronize-flags 'ask)
2270   :hook (gnus-group-mode . gnus-agent-mode))
2271
2272 (use-feature gnus-group
2273   :config
2274   (setq gnus-permanently-visible-groups "\\(:INBOX$\\|:gnu$\\)"))
2275
2276 (comment
2277   ;; problematic with ebdb's popup, *EBDB-Gnus*
2278   (use-feature gnus-win
2279     :config
2280     (setq gnus-use-full-window nil)))
2281
2282 (use-feature gnus-dired
2283   :commands gnus-dired-mode
2284   :init
2285   (add-hook 'dired-mode-hook 'gnus-dired-mode))
2286
2287 (use-feature mm-decode
2288   :config
2289   (setq mm-discouraged-alternatives '("text/html" "text/richtext")
2290         mm-decrypt-option 'known
2291         mm-verify-option 'known))
2292
2293 (use-feature mm-uu
2294   :custom
2295   (mm-uu-diff-groups-regexp
2296    "\\(gmane\\|gnu\\|l\\)\\..*\\(diff\\|commit\\|cvs\\|bug\\|dev\\)"))
2297
2298 (use-feature sendmail
2299   :config
2300   (setq sendmail-program (executable-find "msmtp")
2301         ;; message-sendmail-extra-arguments '("-v" "-d")
2302         mail-specify-envelope-from t
2303         mail-envelope-from 'header))
2304
2305 (use-feature message
2306   :config
2307   ;; redefine for a simplified In-Reply-To header
2308   ;; (see https://todo.sr.ht/~sircmpwn/lists.sr.ht/67)
2309   (defun message-make-in-reply-to ()
2310     "Return the In-Reply-To header for this message."
2311     (when message-reply-headers
2312       (let ((from (mail-header-from message-reply-headers))
2313             (msg-id (mail-header-id message-reply-headers)))
2314         (when from
2315           msg-id))))
2316
2317   (defconst b/message-cite-style-format "On %Y-%m-%d %l:%M %p, %N wrote:")
2318   (defconst message-cite-style-bandali
2319     '((message-cite-function  'message-cite-original)
2320       (message-citation-line-function  'message-insert-formatted-citation-line)
2321       (message-cite-reply-position 'traditional)
2322       (message-yank-prefix  "> ")
2323       (message-yank-cited-prefix  ">")
2324       (message-yank-empty-prefix  ">")
2325       (message-citation-line-format
2326        (if b/message-cite-say-hi
2327            (concat "Hi %F,\n\n" b/message-cite-style-format)
2328          b/message-cite-style-format)))
2329     "Citation style based on Mozilla Thunderbird's. Use with message-cite-style.")
2330   (setq ;; message-cite-style 'message-cite-style-bandali
2331         message-kill-buffer-on-exit t
2332         message-send-mail-function 'message-send-mail-with-sendmail
2333         message-sendmail-envelope-from 'header
2334         message-subscribed-address-functions
2335         '(gnus-find-subscribed-addresses)
2336         message-dont-reply-to-names
2337         "\\(\\(\\(amin\\|mab\\)@shemshak\\.org\\)\\|\\(amin@bndl\\.org\\)\\|\\(.*@aminb\\.org\\)\\|\\(\\(bandali\\|mab\\|aminb?\\)@gnu\\.org\\)\\|\\(a\\(min\\.\\)?bandali@uwaterloo\\.ca\\)\\|\\(abandali@csclub\\.uwaterloo\\.ca\\)\\)")
2338   (require 'company-ebdb)
2339   :hook (;; (message-setup . mml-secure-message-sign-pgpmime)
2340          (message-mode . flyspell-mode)
2341          (message-mode . (lambda ()
2342                            ;; (setq fill-column 65
2343                            ;;       message-fill-column 65)
2344                            (make-local-variable 'company-idle-delay)
2345                            (setq company-idle-delay 0.2))))
2346   ;; :custom-face
2347   ;; (message-header-subject ((t (:foreground "#111" :weight semi-bold))))
2348   ;; (message-header-to      ((t (:foreground "#111" :weight normal))))
2349   ;; (message-header-cc      ((t (:foreground "#333" :weight normal))))
2350   :custom
2351   (message-elide-ellipsis "[...]\n"))
2352
2353 (use-feature mml
2354   :delight " mml")
2355
2356 (use-feature mml-sec
2357   :custom
2358   (mml-secure-openpgp-encrypt-to-self t)
2359   (mml-secure-openpgp-sign-with-sender t))
2360
2361 (use-feature footnote
2362   :after message
2363   ;; :config
2364   ;; (setq footnote-start-tag ""
2365   ;;       footnote-end-tag   ""
2366   ;;       footnote-style     'unicode)
2367   :bind
2368   (:map message-mode-map
2369         :prefix-map b/footnote-prefix-map
2370         :prefix "C-c f n"
2371         ("a" . footnote-add-footnote)
2372         ("b" . footnote-back-to-message)
2373         ("c" . footnote-cycle-style)
2374         ("d" . footnote-delete-footnote)
2375         ("g" . footnote-goto-footnote)
2376         ("r" . footnote-renumber-footnotes)
2377         ("s" . footnote-set-style)))
2378
2379 (use-package ebdb
2380   :after gnus
2381   :bind (:map gnus-group-mode-map ("e" . ebdb))
2382   :config
2383   (setq ebdb-sources (b/var "ebdb"))
2384   (with-eval-after-load 'swiper
2385     (add-to-list 'swiper-font-lock-exclude 'ebdb-mode t)))
2386
2387 (use-feature ebdb-com
2388   :after ebdb)
2389
2390 ;; (use-package ebdb-complete
2391 ;;   :after ebdb
2392 ;;   :config
2393 ;;   (ebdb-complete-enable))
2394
2395 (use-package company-ebdb
2396   :config
2397   (defun company-ebdb--post-complete (_) nil))
2398
2399 (use-feature ebdb-gnus
2400   :after ebdb
2401   :custom
2402   (ebdb-gnus-window-size 0.3))
2403
2404 (use-feature ebdb-mua
2405   :after ebdb
2406   ;; :custom (ebdb-mua-pop-up nil)
2407   )
2408
2409 ;; (use-package ebdb-message
2410 ;;   :after ebdb)
2411
2412 ;; (use-package ebdb-vcard
2413 ;;   :after ebdb)
2414
2415 (use-package message-x)
2416
2417 (comment
2418   (use-package message-x
2419     :custom
2420     (message-x-completion-alist
2421      (quote
2422       (("\\([rR]esent-\\|[rR]eply-\\)?[tT]o:\\|[bB]?[cC][cC]:" . gnus-harvest-find-address)
2423        ((if
2424             (boundp
2425              (quote message-newgroups-header-regexp))
2426             message-newgroups-header-regexp message-newsgroups-header-regexp)
2427         . message-expand-group))))))
2428
2429 (comment
2430   (use-package gnus-harvest
2431     :commands gnus-harvest-install
2432     :demand t
2433     :config
2434     (if (featurep 'message-x)
2435         (gnus-harvest-install 'message-x)
2436       (gnus-harvest-install))))
2437
2438 (use-feature gnus-article-treat-patch
2439   :disabled
2440   :demand
2441   :load-path "lisp/"
2442   :config
2443   ;; note: be sure to customize faces with `:foreground "white"' when
2444   ;; using a theme with a white/light background :)
2445   (setq ft/gnus-article-patch-conditions
2446         '("^@@ -[0-9]+,[0-9]+ \\+[0-9]+,[0-9]+ @@")))
2447
2448 \f
2449 ;;; IRC (with ERC and ZNC)
2450
2451 (use-feature erc
2452   :bind (("C-c b e" . erc-switch-to-buffer)
2453          :map erc-mode-map
2454          ("M-a" . erc-track-switch-buffer))
2455   :custom
2456   (erc-join-buffer 'bury)
2457   (erc-lurker-hide-list '("JOIN" "PART" "QUIT"))
2458   (erc-nick "bandali")
2459   (erc-prompt "erc>")
2460   (erc-rename-buffers t)
2461   (erc-server-reconnect-attempts 5)
2462   (erc-server-reconnect-timeout 3)
2463   :config
2464   (defun erc-cmd-OPME ()
2465     "Request chanserv to op me."
2466     (erc-message "PRIVMSG"
2467                  (format "chanserv op %s %s"
2468                          (erc-default-target)
2469                          (erc-current-nick)) nil))
2470   (defun erc-cmd-DEOPME ()
2471     "Deop myself from current channel."
2472     (erc-cmd-DEOP (format "%s" (erc-current-nick))))
2473   (add-to-list 'erc-modules 'keep-place)
2474   (add-to-list 'erc-modules 'notifications)
2475   (add-to-list 'erc-modules 'spelling)
2476   (add-to-list 'erc-modules 'scrolltoplace)
2477   (erc-update-modules)
2478
2479   (when (and (version<= "24.4" emacs-version)
2480              (version<         emacs-version "27"))
2481     ;; fix erc-lurker bug
2482     ;; patch submitted: https://bugs.gnu.org/36843#10
2483     ;; TODO: remove when patch is merged and emacs 27 is released
2484     (defvar erc-message-parsed)
2485     (defun erc-display-message (parsed type buffer msg &rest args)
2486       "Display MSG in BUFFER.
2487
2488 ARGS, PARSED, and TYPE are used to format MSG sensibly.
2489
2490 See also `erc-format-message' and `erc-display-line'."
2491       (let ((string (if (symbolp msg)
2492                         (apply #'erc-format-message msg args)
2493                       msg))
2494             (erc-message-parsed parsed))
2495         (setq string
2496               (cond
2497                ((null type)
2498                 string)
2499                ((listp type)
2500                 (mapc (lambda (type)
2501                         (setq string
2502                               (erc-display-message-highlight type string)))
2503                       type)
2504                 string)
2505                ((symbolp type)
2506                 (erc-display-message-highlight type string))))
2507
2508         (if (not (erc-response-p parsed))
2509             (erc-display-line string buffer)
2510           (unless (erc-hide-current-message-p parsed)
2511             (erc-put-text-property 0 (length string) 'erc-parsed parsed string)
2512             (erc-put-text-property 0 (length string) 'rear-sticky t string)
2513             (when (erc-response.tags parsed)
2514               (erc-put-text-property 0 (length string) 'tags (erc-response.tags parsed)
2515                                      string))
2516             (erc-display-line string buffer)))))
2517
2518     (defun erc-lurker-update-status (_message)
2519       "Update `erc-lurker-state' if necessary.
2520
2521 This function is called from `erc-insert-pre-hook'.  If the
2522 current message is a PRIVMSG, update `erc-lurker-state' to
2523 reflect the fact that its sender has issued a PRIVMSG at the
2524 current time.  Otherwise, take no action.
2525
2526 This function depends on the fact that `erc-display-message'
2527 lexically binds `erc-message-parsed', which is used to check if
2528 the current message is a PRIVMSG and to determine its sender.
2529 See also `erc-lurker-trim-nicks' and `erc-lurker-ignore-chars'.
2530
2531 In order to limit memory consumption, this function also calls
2532 `erc-lurker-cleanup' once every `erc-lurker-cleanup-interval'
2533 updates of `erc-lurker-state'."
2534       (when (and (boundp 'erc-message-parsed)
2535                  (erc-response-p erc-message-parsed))
2536         (let* ((command (erc-response.command erc-message-parsed))
2537                (sender
2538                 (erc-lurker-maybe-trim
2539                  (car (erc-parse-user (erc-response.sender erc-message-parsed)))))
2540                (server
2541                 (erc-canonicalize-server-name erc-server-announced-name)))
2542           (when (equal command "PRIVMSG")
2543             (when (>= (cl-incf erc-lurker-cleanup-count)
2544                       erc-lurker-cleanup-interval)
2545               (setq erc-lurker-cleanup-count 0)
2546               (erc-lurker-cleanup))
2547             (unless (gethash server erc-lurker-state)
2548               (puthash server (make-hash-table :test 'equal) erc-lurker-state))
2549             (puthash sender (current-time)
2550                      (gethash server erc-lurker-state))))))))
2551
2552 (use-feature erc-fill
2553   :after erc
2554   :custom
2555   (erc-fill-column 77)
2556   (erc-fill-function 'erc-fill-static)
2557   (erc-fill-static-center 18))
2558
2559 (use-feature erc-pcomplete
2560   :after erc
2561   :custom
2562   (erc-pcomplete-nick-postfix ","))
2563
2564 (use-feature erc-track
2565   :after erc
2566   :bind (("C-c a e t d" . erc-track-disable)
2567          ("C-c a e t e" . erc-track-enable))
2568   :custom
2569   (erc-track-enable-keybindings nil)
2570   (erc-track-exclude-types '("JOIN" "MODE" "NICK" "PART" "QUIT"
2571                              "324" "329" "332" "333" "353" "477"))
2572   (erc-track-priority-faces-only 'all)
2573   (erc-track-shorten-function nil))
2574
2575 (use-package erc-hl-nicks
2576   :after erc)
2577
2578 (use-package erc-scrolltoplace
2579   :after erc)
2580
2581 (use-package znc
2582   :straight (:host nil :repo "https://git.shemshak.org/amin/znc.el")
2583   :bind (("C-c a e e" . znc-erc)
2584          ("C-c a e a" . znc-all))
2585   :config
2586   (let ((pwd (let ((auth (auth-source-search :host "znca")))
2587                (cond
2588                 ((null auth) (error "Couldn't find znca's authinfo"))
2589                 (t (funcall (plist-get (car auth) :secret)))))))
2590     (setq znc-servers
2591           `(("znc.shemshak.org" 1337 t
2592              ((freenode "amin/freenode" ,pwd)))
2593             ("znc.shemshak.org" 1337 t
2594              ((moznet "amin/moznet" ,pwd)))
2595             ("znc.shemshak.org" 1337 t
2596              ((oftc "amin/oftc" ,pwd)))))))
2597
2598 \f
2599 ;;; Post initialization
2600
2601 (message "Loading %s...done (%.3fs)" user-init-file
2602          (float-time (time-subtract (current-time)
2603                                     b/before-user-init-time)))
2604
2605 ;;; init.el ends here