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;;; init.el -*- lexical-binding: t; coding: utf-8-unix -*-
;; Author: Case Duckworth <acdw@acdw.net>
;; Created: Sometime during Covid-19, 2020
;; Keywords: configuration
;; URL: https://tildegit.org/acdw/emacs
;; Bankruptcy: 7

;; This file is NOT part of GNU Emacs.

;;; License:
;; Everyone is permitted to do whatever with this software, without
;; limitation.  This software comes without any warranty whatsoever,
;; but with two pieces of advice:
;; - Don't hurt yourself.
;; - Make good choices.

;;; Code:

;;; Setup

;;;; `setup'
(straight-use-package '(setup :host nil :repo "https://git.sr.ht/~pkal/setup"))
(require 'setup)

(setup setup
  (setup-define :straight
    (lambda (recipe)
      `(straight-use-package ',recipe))
    :documentation "Install RECIPE with `straight-use-package'."
    :repeatable t
    :shorthand (lambda (sexp)
                 (let ((recipe (cadr sexp)))
                   (if (consp recipe)
                       (car recipe)
                     recipe)))))

;;;; `no-littering'
(setup (:straight no-littering)
  (:option no-littering-etc-directory (acdw/dir)
           no-littering-var-directory (acdw/dir))
  (require 'no-littering))

;;;; My packages
(when-let ((default-directory
             (expand-file-name-exists-p "pkg/" user-emacs-directory)))
  (normal-top-level-add-subdirs-to-load-path))

;;;; Private stuff
(acdw/require-private)

;;;; Compatibility with older versions
(require 'acdw-compat)

;;;; Lisp
(require 'acdw-lisp)


;;; Basics
;; NOTE that some of the names in `setup' forms are arbitrary.

(setup acdw
  (:option user-full-name "Case Duckworth"
           user-mail-address "acdw@acdw.net"))

(setup (:require auth-source)
  (:option auth-sources '("~/.authinfo" "~/.authinfo.gpg")))

(setup autorevert
  (:option global-auto-revert-non-file-buffers t)
  (global-auto-revert-mode +1))

(setup browse-url
  (require 'acdw-browse-url)
  
  (setq-default browse-url-secondary-browser-function
                (if (executable-find "firefox") ; prefer Firefox
                    #'browse-url-firefox
                  #'browse-url-default-browser)
                browse-url-new-window-flag nil ; for eww
                browse-url-firefox-arguments '("--new-tab") ; for firefox
                browse-url-firefox-new-window-is-tab t)

  (acdw/browse-url-set-handlers
   `(("\\.jpe?g\\'" . ,(if (executable-find "feh")
                           #'browse-url-feh
                         #'eww-browse-url))
     ("youtube\\.com\\|youtu\\.be" . ,(if (executable-find "mpv")
                                          #'browse-url-mpv
                                        #'eww-browse-url))
     ("google\\.com" . browse-url-default-browser)
     ("\\(twitter\\.com\\|t\\.co\\)" . acdw/eww-browse-twitter-url)
     ("." . eww-browse-url)))

  ;; Buttonize gemini:// links.
  (acdw/add-button-url-regexp-protocol "gemini"))

(setup buffers
  (:global "C-x k" acdw/kill-a-buffer))

(setup calendar
  (:option calendar-week-start-day 1 ; Monday
           ))

(setup completion
  (:option completion-ignore-case t
           read-buffer-completion-ignore-case t
           completion-styles '(substring partial-completion)
           completion-category-defaults nil
           completion-category-overrides
           '((file (styles . (partial-completion)))))

  (:global "M-/" hippie-expand))

(setup cursor
  (:option cursor-type 'bar
           cursor-in-non-selected-windows 'hollow
           blink-cursor-blinks 1)
  (blink-cursor-mode +1))

(setup cus-edit
  
  (:option custom-file null-device      ; don't store customizations
           custom-magic-show nil
           custom-magic-show-button t
           custom-raised-buttons nil
           custom-unlispify-tag-names nil
           custom-variable-default-form 'lisp)

  ;; `Custom-mode-hook' fires /before/ the widgets are built, so I have to
  ;; install advice after the widgets are made.
  (advice-add
   'custom-buffer-create :after
   (defun custom-buffer@expand-widgets (&rest _)
     "Expand descriptions and values of variables in `Custom-mode' buffers."
     (interactive)
     ;; "More/Hide" widgets (thanks alphapapa!)
     (widget-map-buttons (lambda (widget _)
                           (pcase (widget-get widget :off)
                             ("More" (widget-apply-action widget)))
                           nil))
     ;; "Show Value" widgets (the little triangles)
     (widget-map-buttons (lambda (widget _)
                           (pcase (widget-get widget :off)
                             ("Show Value" (widget-apply-action widget)))
                           nil))))

  (add-hook                            ; thanks u/oantolin!
   'Custom-mode-hook
   (defun custom-mode@imenu ()
     "Build `imenu' for `Custom-mode'."
     (setq imenu-generic-expression
           '(("Faces" "^\\(?:Show\\|Hide\\) \\(.*\\) face: \\[sample\\]" 1)
             ("Variables" "^\\(?:Show Value\\|Hide\\) \\([^:\n]*\\)" 1))))))

(setup debugger
  (:hook visual-line-mode)
  (:global  "C-c d" toggle-debug-on-error))

(setup dired
  (setq-default dired-recursive-copies 'always
                dired-recursive-deletes 'always
                delete-by-moving-to-trash t
                dired-listing-switches "-Al"
                ls-lisp-dirs-first t
                dired-ls-F-marks-symlinks t
                dired-no-confirm '(byte-compile
                                   chgrp chmod chown copy
                                   hardlink load move
                                   shell touch symlink)
                dired-dwim-target t)

  (:hook dired-hide-details-mode
         hl-line-mode)
  
  (:global "C-x C-j" dired-jump)

  (acdw/system
   (:work (:straight w32-browser)
          (autoload 'dired-w32-browser "w32-browser")
          (:bind "RET" dired-w32-browser))
   (:home (:straight dired-open)
          (require 'dired-open)
          (:bind "RET" dired-find-alternate-file)))

  (with-eval-after-load 'dired
    (require 'dired-x)
    (:straight dired-subtree)
    (:bind "i" dired-subtree-toggle
           "TAB" dired-subtree-cycle)

    (:straight dired-collapse)
    (:hook dired-collapse-mode)

    (:straight dired-git-info)
    (:bind ")" dired-git-info-mode)

    (:straight trashed)
    (:option trashed-action-confirmer #'y-or-n-p)))

(setup disabled
  ;; While this stuff is defined in novice.el, I'm using 'disabled' as the name
  ;; for easy finding.

  ;; Enable all disabled commands.
  ;; This is an option, but I'm going to try /enabling/ just the ones that I
  ;; use instead.
  ;; (mapatoms (lambda (symbol)
  ;;             (when (get symbol 'disabled)
  ;;               (put symbol 'disabled nil))))

  ;; Enable /some/ disabled commands
  (dolist (enable-sym '(narrow-to-region
                        dired-find-alternate-file
                        narrow-to-page))
    (put enable-sym 'disabled nil))
  
  ;; Now, disable symbols as I wish.
  (dolist (disable-sym '(view-hello-file
                         suspend-frame
                         scroll-left
                         scroll-right
                         comment-set-column
                         set-fill-column))
    (put disable-sym 'disabled t))
  
  ;; And set the disabled function to something better than the default.
  ;; Now, I can run any disabled command, but I have to use M-x to do it.
  (setq disabled-command-function
        (defun acdw/disabled-command-function (&optional cmd keys)
          (let ((cmd (or cmd this-command))
                (keys (or keys (this-command-keys))))
            ;; this logic stolen from original `disabled-command-function'
            (if (or (eq (aref keys 0) (if (stringp keys)
                                          (aref "\M-x" 0)
                                        ?\M-x))
                    (and (>= (length keys) 2)
                         (eq (aref keys 0) meta-prefix-char)
                         (eq (aref keys 1) ?x)))
                ;; it's been run as an M-x command, we want to do it
                (call-interactively cmd)
              ;; else, tell the user it's disabled.
              (message (substitute-command-keys
                        (concat "Command `%s' has been disabled.  "
                                "Run with \\[execute-extended-command]."))
                       cmd))))))

(setup ediff
  (:option ediff-window-setup-function 'ediff-setup-windows-plain
           ediff-split-window-function 'split-window-horizontally))

(setup eldoc
  (:option eldoc-idle-delay 0.1
           eldoc-echo-area-use-multiline-p nil))

(setup elisp-mode
  (:option eval-expression-print-length nil
           eval-expression-print-level nil
           lisp-indent-function #'lisp-indent-function)

  (add-hook 'emacs-lisp-mode-hook
            (defun emacs-lisp@enforce-lexical-binding ()
              (setq lexical-binding t)))

  (add-hook 'emacs-lisp-mode-hook
            (defun emacs-lisp@imenu-add-setup ()
              (add-to-list 'imenu-generic-expression
                           '("Setup"
                             "\\(^\\s-*(setup +(?\\)\\(\\_<.+\\_>\\)" 2))))

  ;; Emulate slime's eval binds
  (:with-map emacs-lisp-mode-map
    (:bind "C-c C-c" eval-defun
           "C-c C-k" acdw/eval-region-or-buffer
           "C-c C-z" ielm))

  (add-hook 'emacs-lisp-mode-hook #'turn-on-eldoc-mode)
  (add-hook 'ielm-mode-hook #'turn-on-eldoc-mode)

  (setup  (:straight macrostep)
    (define-key emacs-lisp-mode-map (kbd "C-c e") #'macrostep-expand))

  (setup (:straight eros)
    (:hook-into emacs-lisp-mode))

  ;; Add advice to pulse evaluated regions
  (define-advice eval-region (:around (fn start end &rest args) pulse-region)
    (pulse-momentary-highlight-region start end)
    (apply fn start end args))

  (setup (:straight elisp-slime-nav)
    (:hook-into emacs-lisp-mode
                ielm-mode)))

(setup encoding
  (:option locale-coding-system 'utf-8-unix
           coding-system-for-read 'utf-8-unix
           coding-system-for-write 'utf-8-unix
           buffer-file-coding-system 'utf-8-unix
           default-process-coding-system '(utf-8-unix . utf-8-unix)
           x-select-request-type '(UTF8_STRING
                                   COMPOUND_TEXT
                                   TEXT
                                   STRING))

  (set-charset-priority 'unicode)
  (set-language-environment "UTF-8")
  (prefer-coding-system 'utf-8-unix)
  (set-default-coding-systems 'utf-8-unix)
  (set-terminal-coding-system 'utf-8-unix)
  (set-keyboard-coding-system 'utf-8-unix)

  (acdw/system
   (:work (set-clipboard-coding-system 'utf-16-le)
          (set-selection-coding-system 'utf-16-le))
   (_ (set-selection-coding-system 'utf-8)
      (set-clipboard-coding-system 'utf-8))))

(setup erc
  (:require acdw-erc)
  (:also-load erc-autoaway
              erc-track
              erc-goodies)
  
  (:option
   erc-auto-discard-away t
   erc-autoaway-idle-seconds 600
   erc-autoaway-message "BRB (autoaway: %i seconds)"
   erc-button-url-regexp browse-url-button-regexp
   erc-common-server-suffixes '(("tilde.chat\\'" . "~")
                                ("libera.chat\\'" . "LC"))
   erc-default-server "irc.tilde.chat"  ; fuck freenode. all my friends hate
                                        ; freenode.
   erc-fill-function #'erc-fill-static
   erc-fill-static-center 14
   erc-format-nick-function #'erc-format-truncate-@nick
   erc-header-line-face-method #'erc/update-header-line-show-disconnected
   erc-hide-list '("NICK" "MODE" "JOIN" "PART" "QUIT")
   erc-interpret-controls-p t
   erc-interpret-mirc-color t
   erc-join-buffer 'bury
   erc-kill-buffer-on-part t
   erc-kill-queries-on-quit t
   erc-kill-server-buffer-on-quit t
   erc-nick "acdw"
   erc-nick-truncate (- erc-fill-static-center 1)
   erc-prompt #'acdw-erc/prompt
   erc-prompt-for-password nil          ; use ~/.authinfo
   erc-rename-buffers t
   erc-server erc-default-server
   erc/servers
   (when (boundp 'erc-autojoin-channels-alist)
     (mapcar #'car erc-autojoin-channels-alist))
   erc-server-coding-system '(utf-8 . utf-8)
   erc-timestamp-intangible t
   erc-track-exclude-types (append erc-hide-list
                                   '("AWAY"
                                     "353" "324" "329" "332" "333" "477"))
   erc-track-exclude-server-buffer t
   erc-track-position-in-mode-line 'before-modes
   erc-track-visibility nil             ; only the selected frame
   )

  ;; Thanks bpalmer!
  (advice-add 'show-paren-function :around
              (defun show-paren@skip-in-erc (f &rest r)
                "Skip `show-paren-mode' in `erc-mode'."
                (unless (derived-mode-p 'erc-mode)
                  (apply f r))))

  (add-hook 'kill-emacs-hook #'erc/disconnect)

  (add-hook 'erc-mode-hook
            (defun erc-mode@setup ()
              (setq-local scroll-margin 0)))
  
  (:hook erc-autoaway-mode
         erc-track-mode
         erc-truncate-mode)

  ;; disable ERC tracking when working ... BE PRODUCTIVE!
  (add-hook 'org-clock-in-hook #'erc-track-disable)
  (add-hook 'org-clock-out-hook #'erc-track-enable)

  (:bind "C-c C-b" acdw-erc/erc-switch-to-buffer
         "C-c C-c" nil                  ; def: `erc-toggle-interpret-controls'
         )

  (with-eval-after-load 'erc
    (when (acdw/system :work)
      ;; IDK why, but on 28 this bit doesn't work -- which is at home.
      (setup (:straight erc-hl-nicks)
        (:option (append erc-modules) 'hl-nicks
                 erc-hl-nicks-minimum-contrast-ratio 4.5
                 erc-hl-nicks-color-contrast-strategy '(invert contrast))
        (:hook-into erc-mode)
        ;; Refresh nick colors after changing modus theme
        ;; Ideally, there'd be a hook for /any/ time we changed theme... but
        ;; whatever.
        (add-hook 'modus-themes-after-load-theme-hook
                  #'erc-hl-nicks-refresh-colors)))

    ;; (setup (:straight erc-image)
    ;;   (:option (append erc-modules) 'image
    ;;            erc-image-inline-rescale 300))

    ;; Rewrite `erc-quit/part-reason-default'
    (defun erc-quit/part-reason-default ()
      "Default quit/part message."
      (format "\C-iSee You, Space Cowpokes. . .\C-i"))
    
    (erc-update-modules)))

(setup eshell
  (:also-load acdw-eshell
              em-smart)
  
  (:option eshell-aliases-file (acdw/dir "eshell/aliases" t)
           eshell-directory-name (acdw/dir "eshell/" t)
           eshell-kill-on-exit nil
           eshell-review-quick-commands nil
           eshell-smart-space-goes-to-end t
           eshell-where-to-jump 'begin)

  (:global "C-c s" eshell-pop-or-quit)

  (defun eshell-mode@setup ()
    "Set up `eshell' for use.
Most customizations must go in this function since `eshell' loads
like a dumbass."
    ;; Define keys
    (dolist (spec '(("C-d" . eshell-quit-or-delete-char)))
      (define-key eshell-mode-map (kbd (car spec)) (cdr spec)))
    ;; Fix modeline
    (when (boundp 'simple-modeline--mode-line)
      (setq mode-line-format '(:eval simple-modeline--mode-line)))
    ;; Make navigating amongst prompts easier
    (setq-local outline-regexp eshell-prompt-regexp
                page-delimiter eshell-prompt-regexp))

  (defun eshell-buffer-name ()
    (rename-buffer (concat "*eshell*<" (eshell/pwd) ">") t))

  (add-hook 'eshell-directory-change-hook #'eshell-buffer-name)
  (add-hook 'eshell-prompt-load-hook #'eshell-buffer-name)
  
  (:hook eshell-mode@setup
         eshell-arg-hist-mode))

(setup eww
  (:option eww-search-prefix "https://duckduckgo.com/html?q="
           url-privacy-level '(email agent cookies lastloc))
  (:hook acdw/reading-mode))

(setup files
  (:option
   auto-save-file-name-transforms `((".*" ,(acdw/dir "auto-save/" t) t))
   auto-save-list-file-prefix (acdw/dir "auto-save-list/.saves-" t)
   auto-save-interval 60
   auto-save-timeout 60
   auto-save-visited-interval auto-save-timeout
   backup-by-copying t
   backup-directory-alist `((".*" . ,(acdw/dir "backup/" t)))
   delete-old-versions t
   mode-require-final-newline 'visit-save
   tramp-backup-directory-alist backup-directory-alist
   vc-make-backup-files t
   version-control t)

  (:global "C-c i" acdw/find-emacs-dotfiles)
  
  (auto-save-visited-mode +1)

  (add-hook 'unfocused-hook
            (defun unfocused@save-buffers ()
              (save-some-buffers t))))

(setup flyspell
  (add-hook 'text-mode-hook #'flyspell-mode))

(setup (:straight flyspell-correct)
  (add-hook 'flyspell-mode-hook
            (defun flyspell-mode@flyspell-correct ()
              (dolist (keybind '(("C-;" . flyspell-correct-wrapper)
                                 ("C-," . nil)
                                 ("C-." . nil)
                                 ("C-M-i" . nil)))
                (define-key flyspell-mode-map
                  (kbd (car keybind)) (cdr keybind))))))

;; (setup flyspell
;;   ;; follow the directions here: https://old.reddit.com/r/emacs/comments/dgj0ae
;;   ;; in short:
;;   ;; - download hunspell from GitHub and put in ~/usr/bin
;;   ;; - download LibreOffice English dictionaries and put in
;;   ;;   ~/usr/share/hunspell
;;   (setq-default
;;    flyspell-issue-message-flag nil
;;    ispell-program-name "hunspell"
;;    ispell-dictionary "default"
;;    ispell-personal-dictionary "~/.hunspell_personal"
;;    ispell-local-dictionary-alist '(("default"
;;                                     "[[:alpha:]]" "[^[:alpha:]]"
;;                                     "[']" nil
;;                                     ("-d" "en_US") nil utf-8)))

;;   (acdw/system
;;    (:work (let ((dicpath (expand-file-name "~/usr/share/hunspell/")))
;;             (setenv "DICPATH" dicpath))))

;;   ;; new variable `ispell-hunspell-dictionary-alist' is defined in Emacs
;;   ;; If it's nil, Emacs tries to automatically set up the dictionaries.
;;   (when (boundp 'ispell-hunspell-dictionary-alist)
;;     (setq ispell-hunspell-dictionary-alist ispell-local-dictionary-alist))

;;   (:needs ispell-program-name) ; don't proceed if not installed

;;   (unless (file-exists-p ispell-personal-dictionary)
;;     (write-region "" nil ispell-personal-dictionary nil 0))

;;   (when (executable-find ispell-program-name)
;;     (add-hook 'text-mode-hook #'flyspell-mode)
;;     (add-hook 'prog-mode-hook #'flyspell-prog-mode))

;;   (:when-loaded
;;    (setup (:straight flyspell-correct)
;;      (:with-map flyspell-mode-map
;;        (:bind "C-;" flyspell-correct-wrapper
;;               ;; Remove all other binds
;;               "C-," nil
;;               "C-." nil
;;               "C-M-i" nil)))))

;; (setup flyspell
;;   (:option
;;    flyspell-issue-message-flag nil
;;    ispell-program-name "aspell"
;;    ispell-dictionary "en_US"
;;    ispell-personal-dictionary "~/.dictionary"
;;    ispell-extra-args '("--sug-mode=ultra" "--lang=en_US"))

;;   (:needs ispell-program-name)

;;   (unless (file-exists-p ispell-personal-dictionary)
;;     (write-region "" nil ispell-personal-dictionary nil 0))

;;   (add-hook 'text-mode-hook #'flyspell-mode)
;;   (add-hook 'prog-mode-hook #'flyspell-prog-mode)

;;   (:when-loaded
;;    (setup (:straight flyspell-correct)
;;      (:with-map flyspell-mode-map
;;        (:bind "C-;" flyspell-correct-wrapper
;;               ;; Remove other binds
;;               "C-," nil
;;               "C-." nil
;;               "C-M-i" nil)))))

(setup frames
  (:option frame-title-format '("%b@"
                                (:eval
                                 (or (file-remote-p default-directory 'host)
                                     system-name))
                                " %+%* GNU Emacs"
                                (:eval (when (frame-parameter nil 'client)
                                         " Client")))
           window-resize-pixelwise t)
  
  (add-hook 'unfocused-hook #'garbage-collect))

(setup gnus
  (:option gnus-home-directory (acdw/dir "gnus" t)
           gnus-directory (acdw/dir "News" t)
           gnus-init-file (expand-file-name "gnus.el" user-emacs-directory))
  (:global "C-c n" gnus))

(setup goto-addr
  (add-hook 'text-mode-hook #'goto-address-mode)
  (add-hook 'prog-mode-hook #'goto-address-prog-mode))

(setup ibuffer
  (:also-load ibuf-ext)
  (:option ibuffer-saved-filter-groups
           '(("default"
              ("dired" (mode . dired-mode))
              ("customize" (mode . Custom-mode))
              ("emacs" (or (name . "^\\*scratch\\*$")
                           (name . "^\\*Messages\\*$")
                           (name . "^\\*Warnings\\*$")
                           (name . "^\\*straight-process\\*$")
                           (name . "^\\*Calendar\\*$")))
              ("git" (or (name . "^\*magit")
                         (name . "^\magit")))
              ("help" (or (mode . help-mode)
                          (mode . Info-mode)
                          (mode . helpful-mode)))
              ("messaging" (or (mode . message-mode)
                               (mode . bbdb-mode)
                               (mode . mail-mode)
                               (mode . gnus-group-mode)
                               (mode . gnus-summary-mode)
                               (mode . gnus-article-mode)
                               (name . "^\\.bbdb$")
                               (name . "^\\.newsrc-dribble")
                               (mode . erc-mode)))
              ("shell" (or (mode . eshell-mode)
                           (mode . shell-mode)
                           (mode . vterm-mode)))
              ("web" (or (mode . elpher-mode)
                         (mode . gemini-mode)
                         (mode . eww-mode))))))

  (global-set-key (kbd "C-x C-b")
                  (defun list-buffers-or-ibuffer (arg)
                    "`list-buffers', or with a prefix arg, `ibuffer'."
                    (interactive "P")
                    (if arg (ibuffer) (electric-buffer-list nil))))

  (add-hook 'ibuffer-mode-hook
            (defun ibuffer@filter-to-default ()
              (ibuffer-switch-to-saved-filter-groups "default")))
  
  (:option ibuffer-show-empty-filter-groups nil
	       ibuffer-expert t))

(setup imenu
  (:option imenu-auto-rescan t))

(setup Info
  (:hook variable-pitch-mode
         acdw/reading-mode))

(setup isearch
  (:option search-default-mode t))

(setup lines
  (:option fill-column 79
           word-wrap t
           truncate-lines nil)

  (global-display-fill-column-indicator-mode +1)
  (global-so-long-mode +1)

  (add-hook 'visual-line-mode-hook
            (defun acdw/disable-fill-column-indicator ()
              (display-fill-column-indicator-mode
               (if visual-line-mode -1 +1))))

  ;; `acdw/kill-line-and-join-advice' cribs from `crux-kill-and-join-forward'.
  ;; I can't simply advise `kill-line' with an override from crux because crux
  ;; itself calls `kill-line', leading to a infinite nesting situation.
  (define-advice kill-line (:around (fn &rest args) join-killed-line)
    (if (and (eolp)
             (not (bolp)))
        (delete-indentation 1)
      (apply fn args))))

(setup minibuffer
  (:option enable-recursive-minibuffers t
           file-name-shadow-properties '(invisible t intangible t)
           minibuffer-eldef-shorten-default t
           minibuffer-prompt-properties
           '(read-only t cursor-intangible t face minibuffer-prompt)
           read-answer-short t
           read-extended-command-predicate ; used on >28
           #'command-completion-default-include-p)

  (add-hook 'minibuffer-setup-hook #'cursor-intangible-mode)
  
  (add-hook 'minibuffer-setup-hook #'acdw/gc-disable)
  (add-hook 'minibuffer-exit-hook #'acdw/gc-enable)
  
  (minibuffer-depth-indicate-mode +1)
  (file-name-shadow-mode +1)
  (minibuffer-electric-default-mode +1)
  (fset 'yes-or-no-p #'y-or-n-p))

(setup page

  (:option page-delimiter
           (rx bol (or "\f" ";;;")
               (not (any "#")) (* not-newline) "\n"
               (* (* blank) (opt ";" (* not-newline)) "\n")))
  
  (defun recenter-to-top (&rest _)
    "Recenter the cursor to the top of the window."
    (when (called-interactively-p 'any)
      (recenter (if (or (null scroll-margin)
                        (zerop scroll-margin))
                    3
                  scroll-margin))))

  (:advise forward-page :after #'recenter-to-top
           backward-page :after #'recenter-to-top)

  ;; I'm not sure where this is in /my/ version of Emacs
  (defvar page-navigation-repeat-map
    (let ((map (make-sparse-keymap)))
      (define-key map "]" #'forward-page)
      (define-key map "[" #'backward-page)
      map)
    "Keymap to repeat page navigation key sequences.  Used in `repeat-mode'.")

  (put 'forward-page 'repeat-map 'page-navigation-repeat-map)
  (put 'backward-page 'repeat-map 'page-navigation-repeat-map))

(setup prog
  (:option smie-indent-basic tab-width)
  
  (add-hook 'prog-mode-hook
            (defun prog-mode@auto-fill ()
              (setq-local comment-auto-fill-only-comments t)
              (turn-on-auto-fill)))

  (:option show-paren-delay 0
           show-paren-style 'mixed
           show-paren-when-point-inside-paren t
           show-paren-when-point-in-periphery t)

  (defun flymake-mode-except ()
    "Turn on flymake mode, except in some modes."
    (let ((no-flymake-modes '(emacs-lisp-mode)))
      (unless (or (member major-mode no-flymake-modes)
                  (apply #'derived-mode-p no-flymake-modes))
        (flymake-mode-on))))
  
  (:hook show-paren-mode
         electric-pair-local-mode
         flymake-mode-except
         acdw/setup-fringes)

  (add-hook 'after-save-hook
            #'executable-make-buffer-file-executable-if-script-p))

(setup re-builder
  (require 'acdw-re)
  (advice-add 're-builder :before #'acdw/re-builder-save-state)

  (add-hook 'reb-mode-hook #'paredit-mode)

  (:global "<f2>" re-builder)

  (dolist (map '(reb-mode-map reb-lisp-mode-map))
    (let ((setup-map map))
      (:bind "RET" reb-replace-regexp
             "M-n" reb-next-match
             "M-p" reb-prev-match
             "C-g" reb-quit
             "C-c C-k" reb-quit))))

(setup (:require recentf)
  (:option recentf-save-file (acdw/dir "recentf.el")
           recentf-max-menu-items 100
           recentf-max-saved-items nil
           recentf-auto-cleanup 'mode
           (append recentf-exclude) (acdw/dir))

  (advice-add 'dired-rename-file :after #'rjs/recentf-rename-notify)
  
  (recentf-mode +1))

(setup repeat
  ;; new for Emacs 28!
  (:only-if (fboundp #'repeat-mode))

  (:option repeat-exit-key "g"
           repeat-exit-timeout 5)
  
  (repeat-mode +1))

(setup (:require savehist)
  (:option history-length t
           history-delete-duplicates t
           savehist-autosave-interval 60
           savehist-file (acdw/dir "savehist.el"))

  (dolist (var '(extended-command-history
                 global-mark-ring
                 kill-ring
                 regexp-search-ring
                 search-ring
                 mark-ring))
    (add-to-list 'savehist-additional-variables var))
  
  (savehist-mode +1))

(setup saveplace
  (:option save-place-file (acdw/dir "places.el")
           save-place-forget-unreadable-files (acdw/system :home))
  
  (save-place-mode +1))

(setup scratch
  (:option inhibit-startup-screen t
           initial-buffer-choice t
           initial-scratch-message (concat ";; Howdy, "
                                           (nth 0 (split-string
                                                   user-full-name))
                                           "!  "
                                           "Welcome to GNU Emacs.\n\n")
           initial-major-mode 'emacs-lisp-mode)
  
  (add-hook 'kill-buffer-query-functions
            (defun kill-buffer-query@immortal-scratch ()
              (if (eq (current-buffer) (get-buffer "*scratch*"))
                  (progn (bury-buffer)
                         nil)
                t))))

(setup scrolling
  (:option auto-window-vscroll nil
           fast-but-imprecise-scrolling t
           scroll-margin 3
           scroll-conservatively 101
           scroll-preserve-screen-position 1))

(setup selection
  (:option save-interprogram-paste-before-kill t
           yank-pop-change-selection t
           x-select-enable-clipboard t
           x-select-enable-primary t
           mouse-drag-copy-region t
           kill-do-not-save-duplicates t)

  (delete-selection-mode +1))

(setup (:require server)
  (unless (server-running-p)
    (server-start)))

(setup sh-mode
  (:option sh-basic-offset tab-width
           sh-indent-after-case 0
           sh-indent-for-case-alt '+
           sh-indent-for-case-label 0)
  
  (:local-set indent-tabs-mode t)
  
  (when (executable-find "shfmt")
    (with-eval-after-load 'apheleia
      (:option (append apheleia-formatters) '(shfmt . ("shfmt"))
               (append apheleia-mode-alist) '(sh-mode . shfmt))))

  (when (executable-find "shellcheck")
    (:straight flymake-shellcheck)
    (:hook flymake-mode
           flymake-shellcheck-load)))

(setup shell-command
  (:option shell-command-switch (acdw/system
                                 ;; I should be testing on some variable
                                 (:home "-csi")
                                 (:work "-c"))
           shell-command-prompt-show-cwd t
           shell-command-default-error-buffer "*shell-command-errors*"))

(setup shr
  (:option shr-width fill-column
           shr-max-width fill-column
           shr-max-image-proportion 0.6
           shr-image-animate t
           shr-discard-aria-hidden t
           shr-folding-mode t))

(setup text
  (:hook turn-on-auto-fill
         acdw/setup-fringes))

(setup uniquify
  (:option uniquify-buffer-name-style 'forward
           uniquify-separator path-separator
           uniquify-after-kill-buffer-p t
           uniquify-ignore-buffers-re "^\\*"))

(setup variable-pitch-mode

  ;; I might want to change this to `buffer-face-mode-hook'...
  (advice-add 'variable-pitch-mode :after
              (defun variable-pitch-mode@setup (&rest _)
                "Set up `variable-pitch-mode' with my customizations."
                (display-fill-column-indicator-mode (if buffer-face-mode
                                                        -1
                                                      +1)))))

(setup view
  (:option view-read-only t)
  
  (defun acdw/read-view-mode ()
    (acdw/reading-mode (if view-mode +1 -1)))
  
  (:hook acdw/read-view-mode))

(setup whitespace
  (:option  whitespace-style
            '(empty indentation space-before-tab space-after-tab)
            indent-tabs-mode nil
            tab-width 4
            backward-delete-char-untabify-method 'hungry)

  (:global "M-SPC" cycle-spacing))

(setup windows
  (require 'acdw-bell)
  (:option use-dialog-box nil
           use-file-dialog nil
           tab-bar-show 1
           visible-bell nil
           ring-bell-function (lambda ()
                                (acdw-bell/flash-mode-line
                                 (acdw/system :home)))
           recenter-positions '(top middle bottom))
  
  (tooltip-mode -1))

(setup winner
  ;; see https://lists.gnu.org/archive/html/emacs-devel/2021-08/msg00888.html
  (:global "C-x 4 C-/" winner-undo
           "C-x 4 /" winner-undo
           "C-x 4 C-?" winner-redo
           "C-x 4 ?" winner-redo)

  ;; add `winner-undo' and `winner-redo' to `repeat-mode'
  (when (fboundp 'repeat-mode)
    (defvar winner-mode-repeat-map
      (let ((map (make-sparse-keymap)))
        (define-key map "/" #'winner-undo)
        (define-key map "?" #'winner-redo)
        map)
      "Keymap to repeat `winner-mode' sequences.  Used in `repeat-mode'.")

    (put 'winner-undo 'repeat-map 'winner-mode-repeat-map)
    (put 'winner-redo 'repeat-map 'winner-mode-repeat-map))
  
  (winner-mode +1))

(setup windmove
  (:option windmove-wrap-around t)
  (:global
   ;; moving
   "C-x 4 <left>" windmove-left
   "C-x 4 <right>" windmove-right
   "C-x 4 <up>" windmove-up
   "C-x 4 <down>" windmove-down
   ;; swapping
   "C-x 4 S-<left>" windmove-swap-states-left
   "C-x 4 S-<right>" windmove-swap-states-right
   "C-x 4 S-<up>" windmove-swap-states-up
   "C-x 4 S-<down>" windmove-swap-states-down)

  (when (fboundp 'repeat-mode)
    (defvar windmove-repeat-map
      (let ((map (make-sparse-keymap)))
        ;; moving
        (define-key map [left] #'windmove-left)
        (define-key map [right] #'windmove-right)
        (define-key map [up] #'windmove-up)
        (define-key map [down] #'windmove-down)
        ;; swapping
        (define-key map [S-left] #'windmove-swap-states-left)
        (define-key map [S-right] #'windmove-swap-states-right)
        (define-key map [S-up] #'windmove-swap-states-up)
        (define-key map [S-down] #'windmove-swap-states-down)
        map)
      "Keymap to repeat various `windmove' sequences.  Used in `repeat-mode'.")

    (dolist (sym '(windmove-left
                   windmove-right
                   windmove-up
                   windmove-down
                   windmove-swap-states-left
                   windmove-swap-states-right
                   windmove-swap-states-up
                   windmove-swap-states-down))
      (put sym 'repeat-map 'windmove-repeat-map))))

(setup w32
  (:option w32-allow-system-shell t
           w32-pass-lwindow-to-system nil
           w32-lwindow-modifier 'super
           w32-pass-rwindow-to-system nil
           w32-rwindow-modifier 'super
           w32-pass-apps-to-system nil
           w32-apps-modifier 'hyper))

;;; "Et cetera" settings
;; This should stay as /minimal/ as possible.  Anything that can go somewhere
;; else /should/ go there.
(setup emacs
  (:option
   attempt-orderly-shutdown-on-fatal-signal nil
   attempt-stack-overflow-recovery nil
   echo-keystrokes 0.01
   find-function-C-source-directory (acdw/find-emacs-source)
   kill-read-only-ok t
   load-prefer-newer t
   native-comp-async-report-warnings-errors nil
   set-mark-command-repeat-pop t
   )

  (when (fboundp 'command-completion-default-include-p)
    (setq read-extended-command-predicate
          #'command-completion-default-include-p))

  (:global "M-=" count-words
           "C-w" kill-region-or-backward-word
           "C-c c" capitalize-dwim
           "C-c u" upcase-dwim
           "C-c l" downcase-dwim
           "C-c t" acdw/insert-iso-date)

  (defalias 'forward-word-with-case 'forward-word
    "Alias for `forward-word' for use in `case-repeat-map'.")
  (defalias 'backward-word-with-case 'backward-word
    "Alias for `backward-word for use in `case-repeat-map'.")
  
  (defvar case-repeat-map
    (let ((map (make-sparse-keymap)))
      (define-key map "c" #'capitalize-word)
      (define-key map "u" #'upcase-word)
      (define-key map "l" #'downcase-word)
      ;; movement
      (define-key map "f" #'forward-word-with-case)
      (define-key map "b" #'backward-word-with-case)
      map)
    "A map to repeat word-casing commands.  For use with `repeat-mode'.")
  (dolist (command '(capitalize-word
                     capitalize-dwim
                     upcase-word
                     upcase-dwim
                     downcase-word
                     downcase-dwim
                     forward-word-with-case
                     backward-word-with-case))
    (put command 'repeat-map 'case-repeat-map)))


;;; Packages

(setup (:straight (0x0 :host gitlab
                       :repo "willvaughn/emacs-0x0"))
  (:option 0x0-default-server 'ttm))

(setup (:straight (apheleia :host github
                            :repo "raxod502/apheleia"))
  
  (apheleia-global-mode +1)

  ;; Use a dumb formatter on modes that `apheleia' doesn't work for.
  (add-hook 'before-save-hook
            (defun before-save@dumb-auto-format ()
              (setq stupid-modes '(makefile-mode
                                   org-mode))    
              ;; If there's no apheleia formatter for the mode, just indent the
              ;; buffer.
              (unless (or (apply #'derived-mode-p stupid-modes)
                          (and (fboundp 'apheleia--get-formatter-command)
                               (apheleia--get-formatter-command)))
                (indent-region (point-min) (point-max))))))

(setup (:straight async)
  (autoload 'dired-async-mode "dired-async.el" nil t)
  (dired-async-mode +1))

(setup (:straight ace-link)
  (ace-link-setup-default)

  ;; I use C-o here, even though it's usually `open-line', because it still
  ;; matches the 'o' logic given by abo-abo (it's got the Open mnemonic and
  ;; it's close to 'l'), and because I've given `open-line' to M-l --- I don't
  ;; need `downcase-word' much, and when I do, I can use `downcase-dwim', bound
  ;; to C-c l.
  (let ((key (kbd "C-o")))
    (with-eval-after-load 'erc
      (autoload 'org-element-lineage "org-element")
      (define-key erc-mode-map key #'ace-link))
    (with-eval-after-load 'org
      (define-key org-mode-map key #'ace-link-org))
    (with-eval-after-load 'gnus
      (define-key gnus-summary-mode-map key #'ace-link-gnus)
      (define-key gnus-article-mode-map key #'ace-link-gnus))
    (with-eval-after-load 'ert
      (define-key ert-results-mode-map "o" #'ace-link-help))
    ;; And still everything else
    (setq ace-link-fallback-function #'ace-link-addr)
    (global-set-key key #'ace-link)))

(setup (:straight avy)
  (:global "C-'" avy-goto-char-timer
           "M-g f" avy-goto-line
           "M-g w" avy-goto-word-1
           "C-c C-j" avy-resume)

  (with-eval-after-load "isearch"
    (define-key isearch-mode-map (kbd "C-'") #'avy-isearch)))

(setup (:straight (beginend))
  (beginend-global-mode +1))

(setup (:straight (consult
                   :host github
                   :repo "minad/consult"))
  (require 'acdw-consult)

  (setq consult--regexp-compiler #'consult--orderless-regexp-compiler)

  ;; Bindings
  (:global
   ;; C-c bindings (`mode-specific-map')
   ;; I don't use any of these right now.
   ;; "C-c h" consult-history
   ;; "C-c m" consult-mode-command
   ;; "C-c b" consult-bookmark
   ;; "C-c k" consult-kmacro
   ;; C-x bindings (`ctl-x-map')
   "C-x M-:" consult-complex-command
   "C-x b" consult-buffer
   "C-x 4 b" consult-buffer-other-window
   "C-x 5 b" consult-buffer-other-frame
   ;; Custom M-# bindings for fast register access
   "M-#" consult-register-load
   "M-'" consult-register-store
   "C-M-#" consult-register
   ;; M-g bindings (`goto-map')
   "M-g e" consult-compile-error
   "M-g g" consult-goto-line
   "M-g M-g" consult-goto-line
   "M-g o" consult-outline
   "M-g m" consult-mark
   "M-g k" consult-global-mark
   "M-g i" consult-imenu
   "M-g I" consult-project-imenu
   ;; M-s bindings (`search-map')
   "M-s g" acdw-consult/sensible-grep
   "M-s f" acdw-consult/sensible-find
   "M-s l" consult-line
   "M-s m" consult-multi-occur
   "M-s k" consult-keep-lines
   "M-s u" consult-focus-lines
   ;; Other bindings
   "M-y" consult-yank-pop
   "<help> a" consult-apropos
   ;; Isearch integration
   "M-s e" consult-isearch)
  (:with-map isearch-mode-map
    (:bind "M-e" consult-isearch
           "M-s e" consult-isearch
           "M-s l" consult-line))

  ;; see https://github.com/oantolin/completing-history
  (defmacro consult-history-to-modes (map-hook-alist)
    (let (defuns)
      (dolist (map-hook map-hook-alist)
        (let ((map-name (symbol-name (car map-hook)))
              (key-defs `(progn (define-key
                                  ,(car map-hook)
                                  (kbd "M-r")
                                  (function consult-history))
                                (define-key ,(car map-hook)
                                  (kbd "M-s") nil))))
          (push (if (cdr map-hook)
                    `(add-hook ',(cdr map-hook)
                               (defun
                                   ,(intern (concat map-name
                                                    "@consult-history-bind"))
                                   nil
                                 ,(concat
                                   "Bind `consult-history' to M-r in "
                                   map-name ".\n"
                                   "Defined by `consult-history-to-modes'.")
                                 ,key-defs))
                  key-defs)
                defuns)))
      `(progn ,@ (nreverse defuns))))

  (consult-history-to-modes ((minibuffer-local-map . nil)
                             (shell-mode-map . shell-mode-hook)
                             (term-mode-map . term-mode-hook)
                             (term-raw-map . term-mode-hook)
                             (comint-mode-map . comint-mode-hook)
                             (sly-mrepl-mode-map . sly-mrepl-hook)))

  
  
  ;; Registers
  (autoload 'consult-register-preview "consult")
  (:option register-preview-delay 0
           register-preview-function #'consult-register-format)
  (:advise register-preview :override #'consult-register-window)

  ;; Xref
  (:option xref-show-xrefs-function #'consult-xref
           xref-show-definitions-function #'consult-xref)

  ;; Projects
  (:option consult-project-root-function #'vc-root-dir)

  ;; Competion-at-point (complete-region)
  (:option completion-in-region-function #'acdw-consult/complete-in-region
           completion-cycle-threshold 3
           tab-always-indent 'complete)

  ;; Completing-read-multple
  (if (fboundp #'consult-completing-read-multiple)
      (:advise completing-read-multple
               :override #'consult-completing-read-multiple)
    ;; else
    (defun crm-indicator (args)
      (cons (concat "[CRM] " (car args)) (cdr args)))
    (:advise completing-read-multiple
             :filter-args #'crm-indicator))

  (with-eval-after-loads (vertico consult)
    (when (boundp 'consult-crm-map)
      (define-key consult-crm-map "\r" #'+vertico-crm-exit)
      (define-key consult-crm-map "\t" #'vertico-exit)
      (defun +vertico-crm-exit ()
        (interactive)
        (run-at-time 0 nil #'vertico-exit)
        (funcall #'vertico-exit)))))

(setup (:straight crux)

  (:global "C-x o" acdw/other-window-or-switch-buffer
           ;; This is about to get WILD!
           "M-l" crux-smart-open-line
           "M-o" crux-smart-open-line-above
           "C-M-\\" crux-cleanup-buffer-or-region
           "C-x 4 t" crux-transpose-windows)

  (when (fboundp 'repeat-mode)
    (unless (boundp 'other-window-repeat-map)
      (defvar other-window-repeat-map (make-sparse-keymap)
        "A map for repeating `other-window' keys."))
    
    (define-key other-window-repeat-map "o"
      #'acdw/other-window-or-switch-buffer)
    (define-key other-window-repeat-map "O"
      (defun acdw/other-window-or-switch-buffer-backward ()
        (interactive)
        (setq repeat-map 'other-window-repeat-map)
        (acdw/other-window-or-switch-buffer -1)))

    (put 'acdw/other-window-or-switch-buffer
         'repeat-map 'other-window-repeat-map))

  (crux-reopen-as-root-mode +1))

;; requires extension:
;; https://addons.mozilla.org/en-US/firefox/addon/edit-with-emacs1/
(setup (:straight edit-server)
  (when (and (daemonp)
             (require 'edit-server nil :noerror))
    (edit-server-start)
    (add-hook 'edit-server-done-hook #'unfill-buffer)))

(setup (:straight (electric-cursor
                   :host github
                   :repo "duckwork/electric-cursor"))
  (electric-cursor-mode +1))

(setup (:straight (elpher :host nil
                          :repo "git://thelambdalab.xyz/elpher.git"))
  (:option elpher-ipv4-always t
           elpher-certificate-directory (acdw/dir "elpher/")
           elpher-gemini-max-fill-width fill-column)
  
  (:bind "n" elpher-next-link
         "p" elpher-prev-link
         "o" elpher-follow-current-link
         "G" elpher-go-current)
  
  (:hook acdw/reading-mode)
  
  (autoload 'elpher-bookmarks "elpher" nil t)
  (autoload 'elpher-go "elpher" nil t)
  
  ;; Make `eww' gemini/gopher aware.  From Emacswiki.
  (define-advice eww-browse-url (:around (fn url &rest args) gemini-elpher)
    (cond ((string-match-p "\\`\\(gemini\\|gopher\\)://" url)
           (require 'elpher)
           (elpher-go url))
          (t (apply fn url args))))

  (:when-loaded
   (setup (:straight (gemini-write
                      :host nil
                      :repo "https://alexschroeder.ch/cgit/gemini-write"
                      :branch "main"))
     (require 'gemini-write))))

(setup (:straight embark)
  (:global "C-." embark-act)
  (:option prefix-help-command #'embark-prefix-help-command
           (append display-buffer-alist)
           '("\\`\\*Embark Collect \\(Live\\|Completions\\)\\*"
             nil
             (window-parameters (mode-line-format . none)))
           embark-prompter #'embark-keymap-prompter
           embark-verbose-indicator-display-action
           '(display-buffer-at-bottom (window-height . fit-window-to-buffer)))

  (setq embark-action-indicator
        (lambda (map _target)
          (which-key--show-keymap "Embark" map nil nil 'no-paging)
          #'which-key--hide-popup-ignore-command)
        embark-become-indicator embark-action-indicator)
  
  (with-eval-after-loads (embark consult)
    (setup (:straight embark-consult)
      (add-hook 'embark-collect-mode-hook
                #'consult-preview-at-point-mode))))

(setup (:straight epithet)
  (add-hook 'Info-selection-hook #'epithet-rename-buffer)
  (add-hook 'eww-after-render-hook #'epithet-rename-buffer)
  (add-hook 'help-mode-hook #'epithet-rename-buffer)
  (add-hook 'occur-mode-hook #'epithet-rename-buffer))

(setup (:straight eradio)
  (:needs "mpv")
  (:option
   eradio-player '("mpv" "--no-video" "--no-terminal")
   eradio-channels `(("KLSU" .
                      "http://130.39.238.143:8010/stream.mp3")
                     ("Soma FM Synphaera" .
                      "https://somafm.com/synphaera256.pls")
                     ("SomaFM BAGel Radio" .
                      "https://somafm.com/bagel.pls")
                     ("SomaFM Boot Liquor" .
                      "https://somafm.com/bootliquor320.pls")
                     ("SomaFM Deep Space One" .
                      "https://somafm.com/deepspaceone.pls")
                     ("SomaFM Fluid" .
                      "https://somafm.com/fluid.pls")
                     ("SomaFM Underground 80s" .
                      "https://somafm.com/u80s256.pls")
                     ("WBRH: Jazz & More" .
                      "http://wbrh.streamguys1.com/wbrh-mp3")
                     ("KBRH Blues & Rhythm Hits" .
                      "http://wbrh.streamguys1.com/kbrh-mp3")
                     ("WRKF HD-2" .
                      ,(concat "https://playerservices.streamtheworld.com/"
                               "api/livestream-redirect/WRKFHD2.mp3"))
                     ("WRKF: NPR for the Capital Region" .
                      ,(concat "https://playerservices.streamtheworld.com/"
                               "api/livestream-redirect/WRKFFM.mp3"))
                     ("BadRadio: 24/7 PHONK" .
                      "https://s2.radio.co/s2b2b68744/listen")
                     ("tilderadio" .
                      "https://radio.tildeverse.org/radio/8000/radio.ogg")
                     ("vantaradio" .
                      "https://vantaa.black/radio")))
  (:global "C-c r r" eradio-play        ; mnemonic: radio
           "C-c r s" eradio-stop        ; mnemonic: stop
           "C-c r p" eradio-toggle      ; mnemonic: play/pause
           ))

(setup (:straight expand-region)

  (defun acdw/set-mark-or-expand-region (arg)
    "Set mark at point and activate, jump to mark, or expand region.
See `set-mark-command' and `expand-region'.

With no prefix argument, either run `set-mark-command' on first
invocation and `er/expand-region' on each successive invocation.

With any prefix argument 
(e.g., \\[universal-argument] \\[set-mark-command]), act as with
`set-mark-command' (i.e., pop the mark).  Don't care about
successive invocations."
    (interactive "P")
    (cond
     ((or  arg
           (and set-mark-command-repeat-pop
                (eq last-command 'pop-to-mark-command)))
      (setq this-command 'set-mark-command)
      (set-mark-command arg))
     ((eq last-command 'acdw/set-mark-or-expand-region)
      (er/expand-region 1))
     (t (set-mark-command arg))))
  
  (:global "C-=" er/expand-region
           "C-SPC" acdw/set-mark-or-expand-region))

(setup (:straight fennel-mode)
  (:needs "fennel")
  (autoload 'fennel-repl "fennel-mode" nil t)
  (add-to-list 'auto-mode-alist  '("\\.fnl\\'" . fennel-mode)))

(setup (:straight gcmh)
  (:option gcmh-idle-delay 'auto)
  (gcmh-mode +1))

(setup (:straight geiser))

(setup (:straight (gemini-mode
                   :host nil
                   :repo "https://git.carcosa.net/jmcbray/gemini.el.git"))
  (add-to-list 'auto-mode-alist '("\\.\\(gemini\\|gmi\\)\\'" . gemini-mode))
  (:hook turn-off-auto-fill))

(setup gforth
  (when (locate-library "gforth")
    (autoload 'forth-mode "gforth")
    (add-to-list 'auto-mode-alist '("\\.fs\\'" . forth-mode))
    (autoload 'forth-block-mode "gforth")
    (add-to-list 'auto-mode-alist '("\\.fb\\'" . forth-block-mode))))

(setup (:straight helpful)
  (:option helpful-max-buffers 5
           helpful-switch-buffer-function #'pop-to-buffer
           ;; helpful-switch-buffer-function
           ;; (lambda (buf)
           ;;   (pop-to-buffer buf
           ;;                  '((display-buffer-reuse-mode-window
           ;;                     display-buffer-pop-up-window)
           ;;                    (mode . helpful-mode))
           ;;                  :norecord))
           )
  (:global "<help> f" helpful-callable
           "<help> v" helpful-variable
           "<help> k" helpful-key
           "<help> o" helpful-symbol
           "C-c C-d" helpful-at-point)
  (with-eval-after-load 'helpful
    (define-key helpful-mode-map "q"
      (defun helpful-mode|quit ()
        (interactive)
        (bury-buffer)
        (unless (window-parameter (frame-selected-window) 'no-other-window)
          (delete-window))))))

(setup (:straight iscroll)
  (:hook-into text-mode))

(setup (:straight lacarte)
  (:global "<f10>" lacarte-execute-menu-command))

(setup (:straight ledger-mode)
  (:needs "ledger"))

(setup (:straight lua-mode)
  (add-to-list 'auto-mode-alist  '("\\.lua\\'" . lua-mode)))

(setup (:straight magit)
  (:global "C-c g" magit-status)

  (defun magit-display-buffer-same-window (buffer)
    "Display BUFFER in the selected window like God intended."
    (display-buffer buffer '(display-buffer-same-window)))
  
  (:option magit-display-buffer-function #'magit-display-buffer-same-window
           magit-popup-display-buffer-action '((display-buffer-same-window))
           magit-refresh-status-buffer nil))

(setup (:straight marginalia)
  (:option marginalia-annotators '(marginalia-annotators-heavy
                                   marginalia-annotators-light))
  (marginalia-mode +1))

(setup (:straight (mastodon
                   :host github
                   :repo "mooseyboots/mastodon.el"))
  (:straight request)
  (:option mastodon-instance-url "https://writing.exchange"
           mastodon-auth-source-file (car auth-sources)
           mastodon-client--token-file (acdw/dir "mastodon.plstore")))

(setup (:straight (modus-themes
                   :host gitlab
                   :repo "protesilaos/modus-themes"))
  (:option modus-themes-slanted-constructs t
           modus-themes-bold-constructs t
           modus-themes-region 'bg-only
           modus-themes-org-blocks 'grayscale
           modus-themes-headings '((1 . section)
                                   (t . no-color))
           modus-themes-mode-line nil)
  
  (acdw/sunrise-sunset #'modus-themes-load-operandi
                       #'modus-themes-load-vivendi))

(setup (:straight mwim)
  (:global "C-a" mwim-beginning
           "C-e" mwim-end))

(setup (:straight nov)
  (:option nov-text-width fill-column)
  (add-to-list 'auto-mode-alist  '("\\.epub\\'" . nov-mode)))

(setup (:straight package-lint))

(setup (:straight package-lint-flymake))

(setup (:straight olivetti)
  (:option olivetti-body-width (+ fill-column 4)
           olivetti-minimum-body-width fill-column)
  
  (add-hook 'olivetti-mode-hook
            (defun acdw/olivetti-mode-hook ()
              (if olivetti-mode
                  (setq-local indicate-empty-lines nil
                              indicate-buffer-boundaries nil)
                (acdw/setup-fringes)))))

(setup (:straight (orderless
                   :host github
                   :repo "oantolin/orderless"))
  (require 'orderless)
  
  (:option (append completion-styles) 'orderless
           orderless-component-separator #'orderless-escapable-split-on-space
           orderless-style-dispatchers '(acdw/orderless-dispatch))

  (defun fix-dollar (args)
    (if (string-suffix-p "$" (car args))
        (list (concat (substring (car args) 0 -1) "[\x100000-\x10FFFD]*$"))
      args))
  (advice-add #'orderless-regexp :filter-args #'fix-dollar)

  (defun acdw/orderless-dispatch (pattern _index _total)
    "My custom dispatcher for `orderless'."
    (cond
     ;; Ensure that $ works with Consult commands, which add disambiguation
     ;; suffixes -- see `fix-dollar'
     ((string-suffix-p "$" pattern)
      `(orderless-regexp . ,(concat (substring pattern 0 -1)
                                    "[\x100000-\x10FFFD]*$")))
     ;; File extensions
     ((string-match-p "\\`\\.." pattern)
      `(orderless-regexp . ,(concat "\\." (substring pattern 1)
                                    "[\x100000-\x10FFFD]*$")))
     ;; Ignore single !
     ((string= "!" pattern)
      `(orderless-literal . ""))
     ;; Character folding
     ((string-prefix-p "%" pattern)
      `(char-fold-to-regexp . ,(substring pattern 1)))
     ((string-suffix-p "%" pattern) 
      `(char-fold-to-regexp . ,(substring pattern 0 -1)))
     ;; Without literal
     ((string-prefix-p "!" pattern) 
      `(orderless-without-literal . ,(substring pattern 1)))
     ((string-suffix-p "!" pattern) 
      `(orderless-without-literal . ,(substring pattern 0 -1)))
     ;; Initialism matching
     ((string-prefix-p "`" pattern) 
      `(orderless-initialism . ,(substring pattern 1)))
     ((string-suffix-p "`" pattern) 
      `(orderless-initialism . ,(substring pattern 0 -1)))
     ;; Literal matching
     ((string-prefix-p "=" pattern) 
      `(orderless-literal . ,(substring pattern 1)))
     ((string-suffix-p "=" pattern) 
      `(orderless-literal . ,(substring pattern 0 -1)))
     ;; Flex matching
     ((string-prefix-p "~" pattern) 
      `(orderless-flex . ,(substring pattern 1)))
     ((string-suffix-p "~" pattern)
      `(orderless-flex . ,(substring pattern 0 -1))))))

(setup (:straight org)
  (:straight org-contrib)
  (require 'acdw-org)                   ; so I don't clutter up init.el
  (:option
   org-adapt-indentation nil
   org-agenda-files nil                 ; only until I set this up
   org-catch-invisible-edits 'smart
   org-clock-clocked-in-display 'mode-line
   org-clock-string-limit 7     ; gives time and not title
   org-confirm-babel-evaluate nil
   org-directory "~/org"
   org-ellipsis " …"
   org-export-coding-system 'utf-8-unix
   org-export-headline-levels 8
   org-export-with-section-numbers nil
   org-export-with-smart-quotes t
   org-export-with-sub-superscripts t
   org-export-with-toc nil
   org-fontify-done-headline t
   org-fontify-quote-and-verse-blocks t
   org-fontify-whole-heading-line t
   org-hide-emphasis-markers t
   org-html-coding-system  'utf-8-unix
   org-image-actual-width '(300)
   org-imenu-depth 3
   org-outline-path-complete-in-steps nil
   org-pretty-entities t
   org-refile-use-outline-path 'file
   org-special-ctrl-a/e t
   org-special-ctrl-k t
   org-src-fontify-natively t
   org-src-tab-acts-natively t
   org-src-window-setup 'current-window
   org-startup-truncated nil
   org-startup-with-inline-images t
   org-tags-column 0 ; (- 0 fill-column -3)
   )

  (:bind "RET" acdw-org/return-dwim
         "<S-return>" acdw-org/org-table-copy-down
         "M-SPC M-SPC" insert-zero-width-space
         "C-c C-l" org-insert-link-dwim
         "M-w" acdw/copy-region-plain)

  (with-eval-after-load 'org-export
    (add-to-list 'org-export-filter-final-output-functions
                 #'org-export-remove-zero-width-spaces))
  
  (defun acdw/org-fix-lines-before-save ()
    (add-hook 'before-save-hook #'acdw-org/fix-blank-lines-in-buffer 0 :local))

  (:hook variable-pitch-mode
         acdw/org-fix-lines-before-save)
  
  (advice-add 'org-delete-backward-char
              :override #'acdw-org/delete-backward-char)

  (add-hook 'org-mode-hook
            (defun org-mode@wc-stupid ()
              (unless (and wc-mode
                           (> 0 (+ (or wc-orig-words 0)
                                   (or wc-words-delta 0)))))
              (setq-local
               wc-count-words-function
               (lambda (start end) "Count words stupidly with a limit."
                 (acdw-org/count-words-stupidly start
                                                end
                                                999)))))
  
  (setup (:straight org-appear)
    (:hook-into org-mode)))

(setup (:straight page-break-lines)
  (global-page-break-lines-mode +1))

(setup (:straight paredit)

  ;; I don't use paredit-splice-sexp much, and it stomps on isearch.
  (:unbind "M-s")
  
  (defun setup-paredit-mode ()
    "Correct weirdnesses and set up paredit mode."
    (paredit-mode +1)
    (let ((map lisp-mode-shared-map))
      (define-key map (kbd "DEL") #'paredit-backward-delete)
      (define-key map (kbd "C-M-;") #'comment-or-uncomment-sexp)))
  
  (dolist (mode lispy-modes)
    (add-hook (intern (concat (symbol-name mode) "-hook"))
              #'setup-paredit-mode))
  
  (require 'eldoc)
  (eldoc-add-command 'paredit-backward-delete 'paredit-close-round))

(setup (:straight paren-face)
  (dolist (mode lispy-modes)
    (add-hook (intern (concat (symbol-name mode) "-hook")) #'paren-face-mode)))

(setup (:straight restart-emacs)
  (defun emacs-upgrade (&optional update-packages)
    "Pull config, upgrade packages, restart Emacs."
    (interactive "P")
    (when update-packages
      (straight-pull-all))
    (emacs-git-pull-config)
    (restart-emacs)))

(setup (:straight simple-modeline)
  (setup (:straight minions))
  (require 'acdw-modeline)
  (:option
   simple-modeline-segments '((acdw-modeline/modified
                               acdw-modeline/buffer-name
                               acdw-modeline/vc-branch
                               acdw-modeline/position)
                              (simple-modeline-segment-misc-info
                               acdw-modeline/erc
                               acdw-modeline/wc
                               acdw-modeline/text-scale
                               simple-modeline-segment-process
                               acdw-modeline/god-mode-indicator
                               acdw-modeline/winum
                               acdw-modeline/minions
                               acdw-modeline/narrowed
                               simple-modeline-segment-major-mode)))

  ;; I've put in a pull request to add the (- 0 right-margin) bit here.
  (advice-add 'simple-modeline--format :override
              (defun simple-modeline@format (lefts rights)
                (let* ((left (simple-modeline--format-segments lefts))
                       (right (simple-modeline--format-segments rights))
                       (reserve (length right)))
                  (concat
                   left
                   (propertize " "
                               'display `((space :align-to
                                                 (- right
                                                    (- 0 right-margin)
                                                    ,reserve)))
                               'face '(:inherit simple-modeline-space))
                   right))))
  
  (simple-modeline-mode +1))

(setup (:straight sly)
  (defvar acdw/lisp-bin (or (executable-find "sbcl")
                            (executable-find "clisp")
                            ""))
  (:needs acdw/lisp-bin)
  (:option inferior-lisp-program acdw/lisp-bin
           sly-kill-without-query-p t)
  
  (:also-load sly-autoloads)
  (setup (:straight clhs))

  (:with-feature sly-mrepl
    (dolist (key '("RET" "<return>"))
      (:bind key sly-mrepl-return-at-end))
    (:bind "C-c C-c" sly-mrepl-return))

  (defun sly-mrepl-return-at-end ()
    (interactive)
    (if (<= (point-max) (point))
        (sly-mrepl-return)
      (if (bound-and-true-p paredit-mode)
          (paredit-newline)
        (electric-newline-and-maybe-indent)))))

(setup (:straight ssh-config-mode)
  (dolist (spec '(("/\\.ssh/config\\'" . ssh-config-mode)
                  ("/sshd?_config\\'" . ssh-config-mode)
                  ("/knownhosts\\'" . ssh-known-hosts-mode)
                  ("/authorized_keys2?\\'" . ssh-authorized-keys-mode)))
    (add-to-list 'auto-mode-alist spec))
  (add-hook 'ssh-config-mode-hook #'turn-on-font-lock))

(setup (:straight (topsy
                   :host github
                   :repo "alphapapa/topsy.el"))
  (:hook-into prog-mode))

(setup (:straight typo)

  ;; jlf & cvandusen on #emacs make a great point: ’ (RIGHT SINGLE QUOTATION
  ;; MARK) is /not/ an apostrophe.  Making it curly is a typographical
  ;; consideration, not an input consideration.  (I suppose you could make the
  ;; argument that all of these are typographical considerations, but .. bleh.)
  (:bind "'" self-insert-command
         "`" self-insert-command)

  ;; Enable C-c 8 map in all buffers
  (typo-global-mode +1)
  
  (add-hook 'text-mode-hook
            (defun text-mode@typo-unless ()
              ;; I use this /instead/ of the provided
              ;; `typo-disable-electricity-functions' because the latter checks
              ;; on every pertinent keypress.  I know I want /no/ typo-ing in
              ;; these certain buffers, so I won't even turn on the mode.
              "Start `typo-mode' UNLESS the buffer matches a predicate."
              (unless (or ; predicates here
                       (string-match-p "COMMIT_EDITMSG"
                                       (or (buffer-name) "")))
                (typo-mode +1)))))

(setup (:straight undo-fu)
  (:global "C-/" undo-fu-only-undo
           "C-?" undo-fu-only-redo))

(setup (:straight undo-fu-session)
  (:option undo-fu-session-incompatible-files '("/COMMIT_EDITMSG\\'"
                                                "/git-rebase-todo\\'")
           undo-fu-session-directory (acdw/dir "undo/" t)
           undo-fu-session-compression (acdw/system :home))
  
  (global-undo-fu-session-mode +1))

(setup (:straight unfill))

(setup (:straight (unfocused
                   :host github
                   :repo "duckwork/unfocused"))
  (unfocused-mode +1))

(setup (:straight (vertico
                   :host github
                   :repo "minad/vertico"
                   :files ("*" "extensions/*"
                           (:exclude ".git"))))

  (:option resize-mini-windows 'grow-only
           vertico-count-format nil
           vertico-cycle t)
  
  (defun up-directory (arg)
    "Move up a directory (delete backwards to /)."
    (interactive "p")
    (if (string-match-p "/." (minibuffer-contents))
        (zap-up-to-char (- arg) ?/)
      (backward-kill-word arg)))

  (with-eval-after-load 'vertico
    (define-key vertico-map (kbd "<C-backspace>") #'up-directory))
  
  (if (boundp 'comp-deferred-compilation-deny-list)
      (add-to-list 'comp-deferred-compilation-deny-list "vertico"))

  (vertico-mode +1)

  ;; Extensions!
  (:also-load vertico-mouse)
  (vertico-mouse-mode +1)

  ;; Prefix the current candidate with "> ".  From Vertico wiki.
  (defun vertico-format@add-arrow (orig cand prefix suffix index _start)
    (setq cand (funcall orig cand prefix suffix index _start))
    (concat
     (if (= vertico--index index)
         (propertize "> " 'face 'vertico-current)
       "  ")
     cand))
  (advice-add #'vertico--format-candidate :around #'vertico-format@add-arrow))

(setup (:straight wc-mode)              ; TODO: move some of this stuff around

  (:option wc-modeline-format "[%tww]"
           wc-idle-wait 2)
  
  (:hook-into text-mode)

  (defun acdw-modeline/wc ()
    "Display current `wc-buffer-stats'."
    (when (bound-and-true-p wc-mode)
      (or wc-buffer-stats "[w]"))))

(setup (:straight web-mode)
  (:option css-level-offset 2
           js-indent-level 2
           sgml-indent-offset 2)
  (dolist (ext '("\\.\\(p\\|dj\\)?html\\'"
                 "\\.html?\\'"
                 "\\.\\(tpl\\.\\)?php\\'"
                 "\\.[agj]sp\\'"
                 "\\.as[cp]x\\'"
                 "\\.erb\\'"
                 "\\.mustache\\'"))
    (add-to-list 'auto-mode-alist `(,ext . web-mode))))

(setup (:straight which-key)
  (:option which-key-show-early-on-C-h t
           which-key-idle-delay 1
           which-key-idle-secondary-delay 0.5)

  (which-key-setup-side-window-right-bottom)
  (which-key-mode +1))

(setup (:straight whitespace-cleanup-mode)
  (global-whitespace-cleanup-mode +1))

(setup (:straight winum)
  (:option winum-scope 'frame-local
           winum-auto-setup-mode-line nil
           winum-ignored-buffers '(" *which-key*")
           winum-format " %s")

  (when-unfocused winum-map-keys
    (defvar winum--keys-mapped nil
      "Whether `winum' keys have been mapped already.")
    (when (and (not winum--keys-mapped)
               (display-graphic-p))
      (:with-map winum-keymap
        (:bind "M-0" winum-select-window-0-or-10
               "M-1" winum-select-window-1
               "M-2" winum-select-window-2
               "M-3" winum-select-window-3
               "M-4" winum-select-window-4
               "M-5" winum-select-window-5
               "M-6" winum-select-window-6
               "M-7" winum-select-window-7
               "M-8" winum-select-window-8
               "M-9" winum-select-window-9))
      (setq winum--keys-mapped t)))

  (winum-mode +1))

(setup (:straight xr))

(setup (:straight zzz-to-char)
  (defun acdw/zzz-up-to-char (prefix)
    "Call `zzz-up-to-char', unless issued a PREFIX, in which case
call `zzz-to-char'."
    (interactive "P")
    (if prefix
        (call-interactively #'zzz-to-char)
      (call-interactively #'zzz-up-to-char)))
  
  (:global "M-z" acdw/zzz-up-to-char))


;;; System-dependent

;;;; Home
(when (acdw/system :home)

  (setup (:straight pkgbuild-mode))
  
  (setup (:straight (pdf-tools
                     :host github
                     :repo "vedang/pdf-tools"))
    (add-to-list 'auto-mode-alist '("\\.pdf\\'" . pdf-view-mode))
    (pdf-loader-install))

  (setup (:straight vterm))

  (add-hook 'after-make-frame-functions
            (defun after-make-frame@maximize (frame)
              (toggle-frame-maximized frame))))

;;;; Work
(when (acdw/system :work)
  (setup (:straight ahk-mode)))

;;; init.el ends here