emacs/init.org
2024-06-15 16:53:21 -08:00

40 KiB

;;; init.el --- basic initial declarations
;;; Commentary:
;;      _              _   _                             _
;;     (_) _ __ (_)|   |_           ___   |    |
;;    |    || '_  \ |    ||   __|     /    _    \|    |
;;   |    || |    |  ||    ||   |_   _|        __/|    |
;;  |_||_|    |_||_|  \__|(_)\___|     |_|
;;
;; '((above text graphic generated with command `figlet -k "init.el"'))

;;; Code:

(setq load-prefer-newer t) ; why ever use stale code, ever?
;; Load the files that I put my settings in...
(defvar mir-directory
  (directory-file-name
   (concat user-emacs-directory
	   (convert-standard-filename "lisp/"))))
(add-to-list 'load-path mir-directory t)

(require 'mir-defuns)

;; minify yes/no prompts
(if (>= (string-to-number emacs-version) 28)
    (defvar use-short-answers t)
  (defalias 'yes-or-no-p 'y-or-n-p))

;; Control backups/swapfiles
(defvar backup-directory
  (expand-file-name "emacs-backups"
		    (or (getenv "XDG_CACHE_HOME")
			(expand-file-name
			 ".cache" "~"))))
(if (not (file-exists-p backup-directory))
    (make-directory backup-directory t))
(setq backup-directory-alist `(("." . ,backup-directory)))
;; auto-save-mode doesn't create the path automatically!
(defvar auto-save-directory
  (expand-file-name "tmp/auto-saves/" backup-directory))
(make-directory auto-save-directory t)
(setq auto-save-list-file-prefix
      (expand-file-name "sessions/" auto-save-directory)
      auto-save-file-name-transforms
      `((".*" ,auto-save-directory t)))
(setq create-lockfiles nil)

;; remove auto-generated bits
(setq custom-file (expand-file-name "custom.el" backup-directory))
(if (not (file-exists-p custom-file))
    (make-empty-file custom-file t))
(load custom-file)

;; Suppress advice warnings on startup
;; https://andrewjamesjohnson.com/suppressing-ad-handle-definition-warnings-in-emacs/
(setq ad-redefinition-action 'accept)

;; we be moving packages here to see what's slow elsewhere
(use-package emacs
  :custom
  ;; (scroll-margin 2)
  (scroll-conservatively 100)
  ;; (scroll-up-aggressively 0.01)
  ;; (scroll-down-aggressively 0.01)
  (auto-window-vscroll nil)
  :init
  (global-visual-line-mode t)
  (set-language-environment "UTF-8")
  (global-prettify-symbols-mode 1)
  (auto-insert-mode))

(use-package epg
  :after tramp
  :custom ;; these are ripped from `custom-file' which was auto-generated
  (auth-sources '("~/.authinfo.gpg"))
  (epg-pinentry-mode 'loopback))

;; save minibuffer history, see Vertico below
(use-package savehist
  :init (savehist-mode)
  :custom (savehist-file
	   (expand-file-name "minibuffer-history" backup-directory)))
;; save place in all files
(use-package saveplace
  :init (save-place-mode t)
  :custom
  (save-place-file
   (expand-file-name "file-position-save" backup-directory)))
(use-package image-mode
  :hook
  (image-mode . turn-off-line-numbers)
  (image-mode . (lambda () (blink-cursor-mode -1))))
;; Visualize whitespace. In a very chill and invisible way.
(use-package whitespace
  :diminish (whitespace-mode ;; org-indent-mode 
	     ;; org-vw-mode 
	     auto-fill-mode)
  :custom
  (whitespace-style '(face lines-tail))
  (whitespace-line-column 80)
  (fill-column 80)
  :hook
  (prog-mode . whitespace-mode)
  ;; (org-mode . auto-fill-mode)
  )

;; ...and finally, sync files with disk changes
(use-package autorevert
  :diminish auto-revert-mode
  :config (global-auto-revert-mode))
(use-package xwidget
  :if (featurep 'xwidget)
  :commands xwidget-webkit-browse-url
  :config
  (defun mir/webkit-isearch ()
    (interactive)
    (xwidget-webkit-search
     (setq isearch-string
	   (read-from-minibuffer "Find in page: "))
     (car xwidget-list)
     'insensitive nil t))
  (defun mir/webkit-isearch-next ()
    (interactive)
    (xwidget-webkit-search isearch-string
			   (car xwidget-list) 'insensitive nil t))
  (defun mir/webkit-isearch-prev ()
    (interactive)
    (xwidget-webkit-search isearch-string
			   (car xwidget-list) 'insensitive t t))
  ;; (posframe-show ) ;; need posframe package
  :bind (
	 ("/" . 'mir/webkit-isearch)
	 ("n" . 'mir/webkit-isearch-next)
	 ("N" . 'mir/webkit-isearch-prev)
	 ))

;; built in spell checker, for losers
(use-package flyspell
  :diminish
  :custom
  (flyspell-auto-correct-word t)
  :hook
  (org-mode . flyspell-mode))

;; unique buffer names
(use-package uniquify
  :custom (uniquify-buffer-name-style 'forward))

;; cache file cleanup
(use-package kkc
  :custom (kkc-init-file-name (expand-file-name "kkcrc" backup-directory)))

;; https://laurencewarne.github.io/emacs/programming/2022/12/26/exploring-proced.html
(use-package proced
  :commands proced
  :custom
  (proced-auto-update-flag t)
  (proced-goal-attribute nil)
  (proced-show-remote-processes t)
  (proced-enable-color-flag t)
  (proced-format 'custom)
  :config
  (add-to-list
   'proced-format-alist
   '(custom user pid ppid sess tree pcpu pmem rss start time state
	    (args comm))))

(use-package gnus
  :hook
  (gnus-summary-mode . hl-line-mode)
  (gnus-summary-prepare . gnus-summary-sort-by-most-recent-date)
  )

(use-package tramp
  :defer 2
  :custom (tramp-persistency-file-name
	   (expand-file-name "tramp-history" backup-directory))
  :config
  (defun find-current-file-sudo (&rest throwaway)
    ;; (interactive)
    (if buffer-file-name
	(unless (or (file-writable-p buffer-file-name)
		    (file-directory-p buffer-file-name))
	  (find-alternate-file (format "/sudo::%s" buffer-file-name)))))
  (advice-add #'find-file :after #'find-current-file-sudo))

;; eshell. Pretty good actually.
(use-package eshell
  :after tramp
  ;; :commands (eshell/emacs eshell/man)
  ;; :init
  ;; (defun eshell-banner-initialize ()
  ;;   "Run Neofetch in eshell."
  ;;   (eshell/ls nil))
  :custom
  (eshell-scroll-to-bottom-on-input t)
  (eshell-hist-ignoredups t)
  (eshell-history-file-name (expand-file-name "zsh/histfile" "~/.local/share/"))
  (eshell-history-size nil)
  (eshell-banner-message "")
  (eshell-expand-input-functions '(eshell-expand-history-references))
  :config
  (add-to-list 'tramp-remote-path "/bedrock/bin" 'append)
  (add-to-list 'eshell-modules-list 'eshell-rebind)
  (add-to-list 'eshell-modules-list 'eshell-hist)
  (add-to-list 'eshell-modules-list 'eshell-tramp)
  (advice-add 'eshell-delete-backward-char :override
	      #'paredit-backward-delete)
  (add-hook 'kill-emacs-hook (lambda ()
			       (if (fboundp #'eshell-save-some-history)
				   (eshell-save-some-history))))
  (defun eshell-evil-insert-line (count &optional vcount)
    (interactive "p")
    (eshell-bol)
    (evil-insert count vcount))
  (defun mir/edit-file-or-lib (name)
    "Edit library called NAME if it exists, otherwise edit FILE.

If the current window occupies the whole frame, split it."
    (let* ((old-buffer (current-buffer))
	   (old-default-dir default-directory) ; needed to preserve environment
	   find-fun lib-fun		; scope these so we can bind them later
	   (openfun (lambda (arg)
		      "Implicit function for opening a file or library."
		      (let ((arg-file-name (expand-file-name arg))
			    (arg-lib-name (locate-library arg)))
			(if (file-exists-p arg-file-name)
			    (funcall find-fun arg-file-name)
			  (if arg-lib-name
			      (funcall lib-fun arg)
			    (funcall find-fun arg-file-name)))))))
      (if (one-window-p)
	  (setq find-fun #'find-file-other-window
		lib-fun #'find-library-other-window)
	(setq find-fun #'find-file
	      lib-fun #'find-library))
      (let ((result (funcall openfun name)))
	(with-current-buffer old-buffer
	  (setq default-directory old-default-dir))
	result)))
  (defun eshell/emacs (&rest args)
    "run external Emacs."
    (eshell-eval-using-options		; this is somewhat broken but works okay
     "emacs" args
     '(
       (nil  "batch"      nil batch       "Non-interactive")
       (nil  "chdir"      t   change-dir  "change to directory DIR")
       ("nw" nil	  nil no-window   "open in terminal mode, no window")
       ("fs" "fullscreen" nil full-screen "Open in full screen")
       :external "emacs"
       :usage "[FILE] etc placeholder text...")
     (mapcar #'mir/edit-file-or-lib
	     (eshell-stringify-list (flatten-tree (reverse args))))))
  (defun mir/eshell-setup-keys ()
    (evil-collection-define-key
      'normal
      'eshell-mode-map
      (kbd "I") 'eshell-evil-insert-line
      (kbd "RET") 'hkey-either))
  (advice-add 'evil-collection-eshell-setup-keys
	      :after 'mir/eshell-setup-keys))

;; straight.el: the better package manager?
;; minified bootstrap (split lines if you want) (or not)
(defun straight-bootstrap ()
  "bootstrap the `straight' package manager."
  (defvar bootstrap-version)
  (let ((bootstrap-file (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory)) (bootstrap-version 5)) (unless (file-exists-p bootstrap-file) (with-current-buffer (url-retrieve-synchronously "https://raw.githubusercontent.com/radian-software/straight.el/develop/install.el" 'silent 'inhibit-cookies) (goto-char (point-max)) (eval-print-last-sexp))) (load bootstrap-file nil 'nomessage))
  (straight-use-package 'use-package)
  (setq straight-use-package-by-default t)
  (straight-use-package 'dash)
  (require 'dash)
  (setq use-package-git-keyword :straight))

;; actually, use elpaca instead
;; (require 'elpaca-bootstrap)

(defun elpaca-bootstrap ()
  "Bootstrap the `elpaca' package manager."
  (setq elpaca-bootstrap-file (expand-file-name "elpaca-bootstrap.el"
						user-emacs-directory))
  (unless (file-exists-p elpaca-bootstrap-file)
    (with-current-buffer
	(pop-to-buffer
	 (url-retrieve-synchronously "https://raw.githubusercontent.com/progfolio/elpaca/master/README.md"))
      (re-search-forward (rx "### Installer\n"))
      (let ((start (1+ (re-search-forward "```emacs-lisp")))
            (end (- (re-search-forward "\n```") 3)))
	(write-region start end elpaca-bootstrap-file))))
  (load-file elpaca-bootstrap-file)
  (elpaca 'dash)
  (elpaca elpaca-use-package
	  (elpaca-use-package-mode)
	  (setq elpaca-use-package-by-default t))
  (elpaca-wait)
  (require 'dash)
  ;; (setq use-package-git-keyword :ensure)
  )

(defun nix-bootstrap ()
  "placeholder function. Ideally, load nix packages"
  (message "you never set up nix packages, baka!")
  (require 'dash)
					;(setq use-package-git-keyword :nix)
  (straight-bootstrap)
  )
(defun plist-remove (key plist)
  "Remove KEY and its immediately following value from PLIST."
  (if (member key plist)
      (let ((index (cl-position key plist)))
	(-remove-at-indices `(,index ,(1+ index)) plist))
    plist))
;; (plist-remove :ensure '(use-package package))
;; (if (executable-find "home-manager")
;;     ;; (nix-bootstrap)
;;     (straight-bootstrap)
;;   (if (eq system-type 'windows-nt)
;;       (straight-bootstrap)
;;     (elpaca-bootstrap)))
;; (straight-bootstrap)
(elpaca-bootstrap)

;; (fset #'use-package--orig (symbol-function #'use-package))
;; (defmacro use-package (&rest args)
;;   "re-definition of use-package to replace the downloader depending on system"
;;   ;; (require 'dash)
;;   (if (eq use-package-git-keyword :nix)
;;       `(use-package--orig ,@(plist-remove :ensure args))
;;     `(use-package--orig ,@(-replace :ensure use-package-git-keyword args))))
;; (use-package lua-mode :ensure nil)

(setq init-hook 'elpaca-after-init-hook)
;; do the things
(add-hook 'server-after-make-frame-hook #'mir/graphical-setup)
(if (display-graphic-p)
    (add-hook 'elpaca-after-init-hook #'mir/graphical-setup)
    ;; (add-hook 'after-init-hook #'mir/graphical-setup)
  )


(use-package compat)
(use-package marginalia :init (marginalia-mode))
;; (elpaca gcmh (gcmh-mode))
(use-package page-break-lines
  :init
  (add-hook 'emacs-lisp-mode-hook #'page-break-lines-mode))
(use-package rainbow-mode
  :hook (prog-mode . rainbow-mode))
(use-package powershell
  :mode ("\\.ps1\\'" . powershell-mode))

;; (message "%s" elpaca--queues)
(if (fboundp #'elpaca) (elpaca-wait))

;; diminish
(use-package diminish
  :config (diminish 'visual-line-mode))

;; Keybinding manager
(use-package general
  :demand t
  :custom (default-input-method "japanese")
  :config (require 'mir-keybinds))
;;(if (fboundp #'elpaca) (elpaca-wait))
(use-package eldoc :ensure t)
(elpaca-wait)
(use-package eldoc-box
  :after eldoc
  :diminish (eldoc-mode eldoc-box-hover-at-point-mode)
  :hook (prog-mode . eldoc-box-hover-at-point-mode))

;; load evil or meow
(require 'mir-evil)
;; (require 'mir-meow)

(use-package undo-fu
  :after evil
  :if (< (string-to-number emacs-version) 28)
  :diminish)
(use-package vundo
  :custom (vundo-glyph-alist vundo-unicode-symbols)
  :config
  ;; taken from https://github.com/casouri/vundo/issues/56
  (defun my/vundo-diff ()
    (interactive)
    (let* ((orig vundo--orig-buffer)
	   (source (vundo--current-node vundo--prev-mod-list))
	   (dest (vundo-m-parent source)))
      (if (or (not dest) (eq source dest))
	  (message "vundo diff not available.")
	(let ((buf (make-temp-name (concat (buffer-name orig) "-vundo-diff"))))
	  (vundo--move-to-node source dest orig vundo--prev-mod-list)
	  (with-current-buffer (get-buffer-create buf)
	    (insert-buffer orig))
	  (vundo--refresh-buffer orig (current-buffer) 'incremental)
	  (vundo--move-to-node dest source orig vundo--prev-mod-list)
	  (vundo--refresh-buffer orig (current-buffer) 'incremental)
	  (diff-buffers buf orig)
	  (kill-buffer buf)))))
  :general
  (general-define-key
   :states '(normal visual)
   :prefix "SPC"
   "u" 'vundo)
  (general-define-key
   :keymaps 'vundo-mode-map
   "d" 'my/vundo-diff))

(use-package altcaps
  :after evil
  :ensure (:host github
		 :repo "protesilaos/altcaps")
  :general (general-define-key
	    :states 'visual
	    "`" 'altcaps-region))

;; edwina window manager, like the kool kids
(use-package edwina
  :after evil
  :custom
  (edwina-mfact 0.59)
  ;; (display-buffer-base-action '(display-buffer-below-selected))
  :config (edwina-mode)
  (advice-add 'balance-windows
	      :override 'edwina-arrange)
  (add-hook 'server-after-make-frame-hook #'edwina-arrange)
  (edwina-arrange)
  :general
  (general-define-key
   [remap split-window-right] 'edwina-clone-window
   [remap evil-window-move-far-left] 'edwina-zoom
   [remap evil-window-move-far-right] 'edwina-zoom
   [remap evil-window-increase-height] 'edwina-inc-mfact
   [remap evil-window-decrease-height] 'edwina-dec-mfact
   [remap balance-windows] 'edwina-arrange))

;; show command that caused last scrollback in eshell etc
(use-package sticky-shell
  :ensure (sticky-shell
	   :host github
	   :repo "andyjda/sticky-shell")
  :after eshell
  :config
  (defun esh--turn-off-sticky-shell ()
    "Disable `sticky-shell-mode'."
    (sticky-shell-mode -1))
  (defun esh--turn-on-sticky-shell ()
    "Enable `sticky-shell-mode'."
    (sticky-shell-mode 1))
  (defun mir/sticky-shell-refresh ()
    "Only turn on sticky-shell if the prompt is at the bottom line of window."
    (if (>= (line-number-at-pos (point)) (window-height))
	(esh--turn-on-sticky-shell)
      (esh--turn-off-sticky-shell)))
  (add-hook 'eshell-post-command-hook #'mir/sticky-shell-refresh)
  ;; https://emacs.ch/@bram85/109612654687707030
  (defun mir/esh-outline-setup ()
    (outline-minor-mode)
    (diminish 'outline-minor-mode)
    (setq-local outline-regexp eshell-prompt-regexp))
  (add-hook 'eshell-mode-hook #'mir/esh-outline-setup))
(use-package exec-path-from-shell
  :hook (eshell-mode . exec-path-from-shell-initialize))

(use-package eat
  :ensure (eat :type git
	       :repo "https://codeberg.org/akib/emacs-eat"
	       :files ("*.el" ("term" "term/*.el") "*.texi"
		       "*.ti" ("terminfo/e" "terminfo/e/*")
		       ("terminfo/65" "terminfo/65/*")
		       ("integration" "integration/*")
		       (:exclude ".dir-locals.el" "*-tests.el")))
  :custom
  (eat-kill-buffer-on-exit t)
  :general
  (general-define-key
   :states 'insert
   :map 'eat-semi-char-mode-map
   "C-S-v" 'eat-yank)
  :hook
  (eshell-mode . eat-eshell-visual-command-mode)
  (eshell-mode . eat-eshell-mode)
  (eat-mode . evil-insert-state))
(use-package hide-mode-line
  :commands (hide-mode-line-mode))
(use-package eshell-syntax-highlighting
  :after eshell
  :hook
  (eshell-mode . eshell-syntax-highlighting-mode)
  (eshell-syntax-highlighting-elisp-buffer-setup
   . rainbow-delimiters-mode)
  (eshell-syntax-highlighting-elisp-buffer-setup
   . highlight-defined-mode)
  :custom
  (eshell-syntax-highlighting-in-remote-dirs t))
(use-package eshell-dat
  :ensure (eshell-dat
	   :repo "https://git.marq42.xyz/mir/eshell-dat")
  :after eshell)
(use-package ansilove
  :ensure (:host gitlab
		 :repo "xgqt/emacs-ansilove")
  :commands ansilove)
(use-package p11k
  :ensure (:repo "https://git.marq42.xyz/mir/p11k")
  :after eshell
  :hook (eshell-first-time-mode . p11k-mode))

;; File manager. Only breaks when you brag about how it doesn't.
(use-package all-the-icons
  :ensure (all-the-icons
	   ;; :post-build
	   ;; ("emacsclient" "--eval '(all-the-icons-install-fonts t)'")
	   ))
(use-package nerd-fonts
  :ensure (:host github
		 :repo "twlz0ne/nerd-fonts.el"))
;; (use-package nerd-icons ;has error
;;   :ensure (:host github :repo "rainstormstudio/nerd-icons.el")
;;   :custom (nerd-icons-font-family "MesloLGS NF"))
(use-package dirvish
  :ensure (:files (:defaults "extensions/*.el"))
  :defer 0.5
  :commands dirvish
  :custom
  (dirvish-attributes '(all-the-icons collapse))
  (dirvish-cache-dir (expand-file-name ".dirvish/" user-emacs-directory))
  (dired-listing-switches "-l --almost-all")
  (dirvish-side-display-alist '((window-width . 0.15)
				(slot . -1)
				(side . left)))
  ;; :init (dirvish-override-dired-mode t)
  :config
  (general-define-key
   :states 'normal
   :keymaps 'dirvish-mode-map
   "h" 'dired-up-directory
   "l" 'dired-find-file
   "/" 'dirvish-narrow
   "q" 'dirvish-quit)
  (general-define-key
   :states 'normal
   :prefix-command 'file-tree-map-prefix
   :prefix-map 'file-tree-map
   :prefix "SPC t"
   "t" 'dirvish-side))

;; Completion framework...
(use-package vertico
  :ensure (:files (:defaults "extensions/*.el"))
  :custom (vertico-resize t)
  :init  (vertico-mode t)
  :config
  (add-hook 'minibuffer-setup-hook 'turn-off-line-numbers)
  (defun backspace-in-minibuffer ()
    "If previous character is `/', kill to the previous `/'.
Otherwise, kill back 1 letter.

see  https://www.reddit.com/r/emacs/comments/xq6rpa/comment/iqynyu9/?utm_source=share&utm_medium=web2x&context=3"
    (interactive)
    (if (string-match-p "/." (minibuffer-contents))
	(let ((end (point)))
	  (re-search-backward "/.")
	  (forward-char)
	  (delete-region (point) end))
      (backward-delete-char 1)))
  :general
  (general-define-key
   :prefix-map 'minibuffer-mode-map
   "DEL" 'backspace-in-minibuffer))
(use-package vertico-mouse
  :ensure nil
  :after vertico
  :config
  (vertico-mouse-mode))
(use-package app-launcher
  :ensure (app-launcher
	   :host github :repo "SebastienWae/app-launcher")
  :commands (app-launcher-run-app emacs-run-launcher)
  :config
  ;; modified from https://www.reddit.com/r/unixporn/comments/s7p7pr/so_which_run_launcher_do_you_use_rofi_or_dmenu/
  (defun emacs-run-launcher ()
    "Create and select a frame called emacs-run-launcher which
consists only of a minibuffer and has specific dimensions.  Run
counsel-linux-app on that frame, which is an Emacs command that
prompts you to select an app and open it in a dmenu like
behaviour.  Delete the frame after that command has exited"
    (interactive)
    (with-selected-frame
	(make-frame '( ;see ~/.config/sway/config と ~/.config/hypr/hyprland.conf
		      (name . "dentarthurdent")
		      (minibuffer . only)
		      (width . 120)
		      (height . 11)))
      (unwind-protect
	  (app-launcher-run-app)
	(delete-frame)))))

(use-package consult
  :after vertico
  :general
  (general-define-key
   [remap switch-to-buffer] 'consult-buffer))
;; Minibuffer generic stuff
(use-package orderless
  :custom
  (completion-styles '(orderless partial-completion basic))
  (completion-category-defaults nil)
  ;; (completion-category-overrides '((file (styles basic partial-completion))))
  (completion-category-overrides nil))

;; weird multi-path thing
(use-package embark
  :general
  (general-define-key
   :keymap minibuffer-mode-map
   "C-." 'embark-act ; broken by default on gnome. Run `ibus-setup' -> emoji
   "C-;" 'embark-dwim)
  :init
  ;; TODO: Should we put this in the which-key section?
  (defun embark-which-key-indicator ()
    "An embark indicator that displays keymaps using which-key.
The which-key help message will show the type and value of the
current target followed by an ellipsis if there are further
targets."
    (lambda (&optional keymap targets prefix)
      (if (null keymap) (which-key--hide-popup-ignore-command)
	(which-key--show-keymap
	 (if (eq (plist-get (car targets) :type) 'embark-become)
	     "Become"
	   (format "Act on %s '%s'%s" (plist-get (car targets) :type)
		   (embark--truncate-target (plist-get (car targets) :target))
		   (if (cdr targets) "…" "")))
	 (if prefix (pcase (lookup-key keymap prefix 'accept-default)
		      ((and (pred keymapp) km) km)
		      (_ (key-binding prefix 'accept-default))) keymap)
	 nil nil t (lambda (binding)
		     (not (string-suffix-p "-argument" (cdr binding))))))))
  (setq embark-indicators
	'(embark-which-key-indicator
	  embark-highlight-indicator
	  embark-isearch-highlight-indicator))
  (defun embark-hide-which-key-indicator (fn &rest args)
    "Hide the which-key indicator immediately when using the completing-read prompter."
    (which-key--hide-popup-ignore-command)
    (let ((embark-indicators
	   (remq #'embark-which-key-indicator embark-indicators)))
      (apply fn args)))
  (advice-add #'embark-completing-read-prompter
	      :around #'embark-hide-which-key-indicator)
  :custom (enable-recursive-minibuffers t))
;; Consult users will also want the embark-consult package.
(use-package embark-consult
  :after (embark consult))

;; el-patch, TODO remove linum requirement
(use-package el-patch)
;; SORTA WORKING: Relative line numbers with stuff
(use-package nlinum-relative
  :custom
  (nlinum-relative-redisplay-delay 0)
  :hook (prog-mode . nlinum-relative-mode)
  :init
  (defun mir/nlinum-buffer-setup ()
    (nlinum-relative-mode -1)
    (nlinum-relative-mode 99)
    (setq nlinum-format-function
	  (lambda (line width)
	    (let* ((line-display (abs (- line nlinum-relative--current-line)))
		   (is-current-line? (eq line-display 0))
		   (line-display (if is-current-line?
				     nlinum-relative--current-line
				   (+ nlinum-relative-offset line-display)))
		   (numwidth (length (number-to-string line-display)))
		   (spaces (make-string (- width numwidth) ?\ ))
		   (nlinum-format (if is-current-line?
				      (format "%%d%s" spaces)
				    (format "%s%%d" spaces)))
		   (str (if (and (not (string-equal
				       nlinum-relative-current-symbol ""))
				 is-current-line?)
			    nlinum-relative-current-symbol
			  (format nlinum-format line-display))))
	      (if is-current-line?
		  (put-text-property
		   0 width 'face 'nlinum-relative-current-face str)
		(put-text-property 0 width 'face 'linum str))
	      str)))
    (setq-local nlinum--width (length (number-to-string
				       (line-number-at-pos (point-max))))))
  (add-hook 'minibuffer-exit-hook #'mir/nlinum-buffer-setup))

;; Better modeline? Better modeline.
(use-package powerline
  :custom
  (powerline-display-buffer-size nil)
  (powerline-default-separator 'utf-8)
  (powerline-utf-8-separator-left (string-to-char ""))
  (powerline-utf-8-separator-right (string-to-char ""))
  :init
  (defun mir/powerline-never-select-cfwindow (orig)
    "Only run ORIG if the current frame is not a child frame."
    (unless (frame-parent) (funcall orig)))
  (advice-add #'powerline-set-selected-window
	      :around #'mir/powerline-never-select-cfwindow))
(use-package doom-modeline
  :disabled
  :after airline-themes
  :custom
  (doom-modeline-hud t)
  (doom-modeline-buffer-encoding nil)
  (doom-modeline-unicode-fallback t)
  (doom-modeline-buffer-file-name-style 'truncate-upto-root)
  (doom-modeline-highlight-modified-buffer-name nil)
  :config (doom-modeline-mode))
;; (elpaca-wait)
(use-package airline-themes
  :custom
  (airline-cursor-colors nil)
  (airline-display-directory t)
  (airline-eshell-colors nil)
  (airline-shortened-directory-length 20)
  :custom-face
  (mode-line
   ((t (:box (:style released-button
		     ;; :line-width (0.5 . 0.5)
		     )))))
  ;; :config (load-theme 'airline-kolor t)
  )
;; see https://github.com/dbordak/telephone-line/issues/126
;; (no telephone-line because why)

;; Custom Theme.
;; Not to be confused with a color theme, or a color scheme, or a custom scheme.
(use-package sv-theme
  :ensure (sv-theme
	   :repo
	   "https://git.marq42.xyz/mir/sv-theme")
  :config
  (mir/visual-setup)
  (set-face-attribute 'font-lock-comment-face nil :inherit 'variable-pitch)
  (load-theme 'airline-ravenpower t)
  :init (load-theme 'sv t))

;; parentheses settingses
(use-package paredit
  ;; :ensure nil
  ;; elpaca declaration is broken, I just cloned it manually to .config/emacs/elpaca/repos
  ;; see my issue https://github.com/progfolio/elpaca/issues/40
  :diminish
  :general (general-define-key
	    "M-j" 'paredit-forward-slurp-sexp
	    "M-k" 'paredit-forward-barf-sexp
	    "M-h" 'paredit-backward-barf-sexp
	    "M-l" 'paredit-backward-slurp-sexp)
  :hook (prog-mode . paredit-mode)
  :init
  (show-paren-mode 1)
  (paredit-mode 1)
  (electric-pair-mode 1)
  :custom
  (show-paren-delay 0)
  (show-paren-style 'parenthesis))
(use-package evil-paredit
  :after paredit)
(use-package lispyville
  :diminish
  :hook (paredit-mode . lispyville-mode))

;; org mode and messy things
(use-package org
  :ensure nil
  :diminish (org-indent-mode org-vw-mode)
  :custom
  ;; (org-hide-leading-stars t)
  ;; (org-startup-indented t)
  ;; (org-hide-emphasis-markers t)
  (inhibit-compacting-font-caches t)
  ;; (org-element-use-cache nil)
  :config
  (add-hook 'after-save-hook
	    (lambda () (if (equal major-mode 'org-mode)
			   (org-babel-tangle))))
  (make-local-variable 'completion-at-point-functions)
  (add-to-list 'completion-at-point-functions #'cape-ispell)
  (defun insert-zws ()
    (interactive)
    (insert 8203)) ; this is a Zero Width Space. It makes things confusing.
  (defun insert-ï ()
    (interactive)
    (insert 239)) ; this is a lowercase I with an umlaut. Used for the word `naiive'.
  (defun mir/org-grayify-stars ()
    "Make the `*' characters in Org headlines look like the `#'s in markdown."
    (interactive)
    (font-lock-add-keywords
     nil
     `((,(rx bol (+ "*")) . ;; shadow
	font-lock-doc-markup-face))))
  (add-hook 'org-mode-hook
	    #'mir/org-grayify-stars 90)
  (defun mir-insert-current-datetime ()
    "Insert the current date and time in my preffered format, with a newline at
the end."
    (interactive)
    (let ((calendar-date-display-form calendar-iso-date-display-form))
      (insert
       (downcase
	(format "%s %s\n" (calendar-date-string (calendar-current-date))
		(format-time-string "%-l:%M %p"))))))
  (defun mir-1st-heading-now ()
    "Insert a brand new 2nd level Org heading containing the current date/time.
Start insert mode."
    (interactive)
    (goto-char (point-max))
    (insert "* ")
    (mir-insert-current-datetime)
    (evil-insert 1))

  :hook
  (org-mode . turn-off-line-numbers)
  ;; (org-mode . org-vw-mode)
  ;; (org-mode . yas-minor-mode)
  :general (general-define-key
	    :states 'insert
	    :keymaps 'org-mode-map
	    "`" (general-key-dispatch 'self-insert-command
		  :timeout 0.1
		  "SPC" 'insert-zws
		  "i" 'insert-ï))
  (general-define-key
   :states 'normal
   :keymaps 'org-src-mode-map
   "ZZ" 'org-edit-src-exit))
(use-package ox-hugo
  :after org
  :config
  (defun hugo-dir-above (dir)
    "Return path of Hugo project root above or at DIR.
Return nil if DIR is not in a hugo project at all."
    (let ((thisdir dir))
      (let ((lexical-binding t))
	(if (eq thisdir nil) nil
	  (if (file-exists-p (expand-file-name "config.toml" thisdir))
	      thisdir
	    (let ((updir (file-name-directory (string-trim-right thisdir "/"))))
	      (hugo-dir-above updir)))))))
  ;; (hugo-dir-above "~/.local/git/marq42.github.io/content-org/")
  (defun hugo-compile (&optional dir)
    (interactive)
    (if (bound-and-true-p dir) nil
      (setq dir default-directory))
    (let ((hugo-dir (hugo-dir-above dir)))
      (if hugo-dir
	  (progn
	    (if (string-match-p (rx bol (* any) "/content-org" (opt "/") eol)
				default-directory)
		(org-hugo-export-wim-to-md))
	    (let* ((default-directory hugo-dir)
		   (buffer (get-buffer-create "*hugo*")))
	      (with-current-buffer buffer
		;; (compilation-mode)
		(let* ((inhibit-read-only t)
		       (status-code (call-process-shell-command "hugo" nil buffer)))
		  (if (zerop status-code)
		      (message "Hugo re-generated!")
		    (error "Hugo exited %s, better change something!" status-code)))))))))
  (add-hook 'after-save-hook #'hugo-compile))
(use-package ox-clip
  :commands ox-clip-formatted-copy)

;; cheaty key popups
(use-package which-key
  :diminish
  :defer 5
  :custom (which-key-idle-delay 2.5)
  :init (which-key-mode t))
(use-package which-key-posframe
  :after which-key
  :if (display-graphic-p)
  :config (which-key-posframe-mode))

;; parentheses are boring
(use-package rainbow-delimiters
  :diminish
  :defer 1
  :custom (rainbow-delimiters-max-face-count 2)
  :hook (prog-mode . rainbow-delimiters-mode))

;; c sharp; see https://www.reddit.com/r/emacs/comments/k8tnzg/help_setting_up_c_lsp_omnisharproslyn/
;; (there is nothing here because I'm not using c sharp...)

(use-package lsp-mode
  :hook ((powershell-mode . lsp-mode)
	 (lsp-mode . lsp-enable-which-key-integration)
	 (lsp-completion-mode . corfu/lsp-mode-setup-completion))
  :commands lsp
  :diminish lsp-lens-mode
  :custom (lsp-completion-provider :none)
  :config (defun corfu/lsp-mode-setup-completion ()
	  (setf (alist-get 'styles (alist-get 'lsp-capf completion-category-defaults))
		'(flex))))

;; broken snippets I don't care about...
(use-package yasnippet
  :diminish yas-minor-mode
  :hook (prog-mode . yas-minor-mode))

;; Better help-pages. Genuinely pretty great.
(use-package helpful
  :general (general-define-key
	    [remap describe-key] 'helpful-key
	    [remap describe-variable] 'helpful-variable
	    [remap describe-function] 'helpful-callable)
  (general-define-key
   :keymaps 'help-map
   "F" 'describe-face
   "k" 'helpful-key)
  (general-define-key
   :keymaps 'emacs-lisp-mode-map
   :states 'normal
   "K" 'helpful-at-point)
  :custom (elisp-refs-verbose nil))

;; Better lisp highlighting?
(use-package highlight-defined
  :hook (emacs-lisp-mode . highlight-defined-mode))
(use-package relint
  :commands relint-file)
(use-package elisp-autofmt
  :ensure (elisp-autofmt
	   :url "https://codeberg.org/ideasman42/emacs-elisp-autofmt"
	   :files ("*"))
  :custom (elisp-autofmt-python-bin "/usr/bin/python3"))

;; Shell linting?
(use-package flymake
  :diminish
  :custom
  (flymake-note-bitmap '(right-arrow compilation-info))
  (flymake-error-bitmap '(right-arrow compilation-info))
  (flymake-warning-bitmap '(right-arrow compilation-info))
  :hook (prog-mode . flymake-mode))

;; Emacs startup profiling -- may not work with chemacs2
(use-package esup
  :commands esup
  :custom (esup-depth 0))
;; (esup buffer-file-name) ;useless

;; Blingy laggy minimap on the right
(use-package minimap
  :general (general-define-key
	    :states 'normal
	    :prefix-command 'mini-map-prefix
	    :prefix-map 'mini-map
	    :prefix "SPC m"
	    "m" 'minimap-mode
	    "k" 'minimap-kill)
  :diminish
  :custom
  (minimap-window-location 'right)
  (minimap-update-delay 0)
  :custom-face
  (minimap-active-region-background
   ((t (:background "#303030" :extend t))))
  (minimap-current-line-face
   ((nil (:background "#afafaf" :extend t)))))

;; epic drop-down completion
(use-package corfu
  :after eldoc
  :ensure (:files (:defaults "extensions/*.el"))
  ;; :if (display-graphic-p) ; breaks in emacsclient
  :custom
  ;; (corfu-cycle t)                ;; Enable cycling for `corfu-next/previous'
  ;; (corfu-auto t)                 ;; Enable auto completion
  ;; (corfu-auto-delay 1.5)
  ;; (corfu-auto-prefix 2)
  ;; (corfu-separator ?-)          ;; Orderless field separator
  ;; (corfu-quit-at-boundary 'separator)   ;; Never quit at completion boundary
  (corfu-quit-no-match t)
  (corfu-preview-current nil)
  (corfu-on-exact-match 'insert)
  ;; (corfu-scroll-margin 5)
  (tab-always-indent 'complete)
  (tab-first-completion 'eol)
  (tooltip-delay 0.01)
  (use-system-tooltips nil)
  (tooltip-hide-delay 60)
  :custom-face
  (tooltip
   ((t (:inherit 'corfu-default))))
  :init
  (global-corfu-mode)
  (tooltip-mode)
  :config
  (advice-add 'pcomplete-completions-at-point :around #'cape-wrap-silent)
  (advice-add 'pcomplete-completions-at-point :around #'cape-wrap-purify)
  (corfu-echo-mode)
  (corfu-history-mode)
  :general
  (general-define-key
   :states 'insert
   :keymaps 'corfu-map
   [tab] 'corfu-next
   [backtab] 'corfu-previous
   "RET" 'corfu-insert
   "ESC" 'corfu-quit
   "C-h" 'corfu-info-documentation
   "C-f" 'corfu-info-location))
(use-package cape
  :after corfu
  :init
  (add-to-list 'completion-at-point-functions #'cape-dabbrev)
  (add-to-list 'completion-at-point-functions #'cape-file))
(use-package pcmpl-args
  :after eshell)

(use-package popon
  :ensure (:type git
	      :repo "https://codeberg.org/akib/emacs-popon")
  :if (not (display-graphic-p)))
(use-package corfu-terminal
  :ensure (corfu-terminal
	   :type git
	   :repo "https://codeberg.org/akib/emacs-corfu-terminal")
  :after popon
  :init (unless
	    (display-graphic-p)
	  (corfu-terminal-mode +1)))

(use-package transient :ensure t)
(use-package magit
  :after seq
  :commands (madots magit-status magit)
  :hook (magit-mode . turn-off-line-numbers)
  :custom (vc-follow-symlinks t)
  (transient-history-file
   (expand-file-name "transient/history.el" backup-directory))
  :config
  (defun madots--magit-buffers-p ()
    (not (not ; converts all non-nil values to t
	  (remove nil ; clean useless elements
		  (mapcar (lambda (buffer)
			    (if (string-match-p "magit: " (buffer-name buffer))
				buffer))
			  (buffer-list))))))
  (defun madots--kill-all-magit-buffers ()
    (mapcar (lambda (buffer)
	      (if (string-match-p "^magit" (buffer-name buffer))
		  (kill-buffer buffer)))
	    (buffer-list)))
  (defun madots--cleanup ()
    "Remove modifications made for `madots' once all magit buffers are killed."
    (if (not (madots--magit-buffers-p))
	(progn
	  (setq magit-git-executable madots--old-magit-exe)
	  (setq magit-bury-buffer-function madots--old-magit-bury-buf-func)
	  (cancel-function-timers #'madots--cleanup))))
  (defun madots (&optional exe)
    "Magit but with custom EXE, default \"dots\"."
    (interactive)
    (require 'magit)
    (setq madots--old-magit-exe magit-git-executable)
    (setq magit-git-executable (or exe "dots"))
    (setq madots--old-magit-bury-buf-func magit-bury-buffer-function)
    (setq magit-bury-buffer-function #'kill-buffer-and-window)
    (magit-status)
    (run-with-timer 5 3 #'madots--cleanup)))
;; ;; broken bc of hl-todo version issue
;; (use-package magit-todos
;;   :after magit
;;   :init (magit-todos-mode))
(use-package blamer
  :ensure (:host github :repo "artawower/blamer.el")
  :after magit
  :custom
  (blamer-view 'overlay)
  (blamer-idle-time 10)
  (blamer-min-offset 70)
  (blamer-prettify-time-p t)
  (blamer-show-avatar-p t)
  :custom-face
  (blamer-face ((t :foreground "#7a88cf"
		   :height 140
		   :italic t)))
  :commands blamer-show-posframe-commit-info)
(use-package magit-stats
  :ensure (:host github :repo "LionyxML/magit-stats")
  :after magit
  :commands magit-stats)
(use-package magit-pretty-graph
  :ensure (:host github :repo "georgek/magit-pretty-graph")
  :after magit
  :commands magit-pg-repo)

(use-package hyperbole
  :ensure (:files ("*.el"
		   ("kotl" "kotl/*.el")
		   "man/*.info" "man/*.texi")
		  :host github :repo "rswgnu/hyperbole")
  :diminish
  :general (general-define-key
	    :states 'normal
	    "RET" 'hkey-either))

(use-package dconf-mode
  :ensure (dconf-mode
	   :type git
	   :repo "https://git.marq42.xyz/mir/dconf-mode"))

(use-package info-variable-pitch
  :ensure (info-variable-pitch
	   :host github
	   :repo "kisaragi-hiu/info-variable-pitch")
  :config
  (add-hook 'Info-mode-hook #'info-variable-pitch-mode))

(use-package slime
  :if (file-exists-p (expand-file-name "~/quicklisp/slime-helper.el"))
  :commands (slime slime-connect)
  :custom (inferior-lisp-program "sbcl")
  :config (load (expand-file-name "~/quicklisp/slime-helper.el")))

(use-package dwim-shell-command
  :ensure (dwim-shell-command
	   :files (:defaults "dwim-shell-commands.el"))
  :config (require 'dwim-shell-commands)
  :commands dwim-shell-commands-kill-process)

(use-package youtube-sub-extractor
  :ensure (youtube-sub-extractor
	   :host github
	   :repo "agzam/youtube-sub-extractor.el")
  :custom (youtube-sub-extractor-timestamps 'left-margin)
  :commands youtube-sub-extractor-extract-subs)

;; Cheat sheet
(use-package cheat-sh
  :ensure (cheat-sh :host github :repo "davep/cheat-sh.el")
  :commands cheat-sh)

(use-package pcre2el
  :ensure (:host github
		 :repo "joddie/pcre2el")
  :config
  (defmacro prx (&rest expressions)
    "Convert the rx-compatible regular EXPRESSIONS to PCRE.
  Most shell applications accept Perl Compatible Regular Expressions.

Taken from https://howardism.org/Technical/Emacs/eshell-why.html"
    `(rx-let ((integer (1+ digit))
	      (float (seq integer "." integer))
	      (b256 (seq (optional (or "1" "2"))
			 (regexp "[0-9]\\{1,2\\}")))
	      (ipaddr (seq b256 "." b256 "." b256 "." b256))
	      (time (seq
		     digit (optional digit)
		     ":" (= 2 digit) (optional ":" (= 2 digit))))
	      (email (seq (1+ (regexp "[^,< ]")) "@"
			  (1+ (seq (1+ (any alnum "-"))) ".") (1+ alnum)))
	      (date (seq (= 2 digit) (or "/" "-")
			 (= 2 digit) (or "/" "-") (= 4 digit)))
	      (ymd (seq (= 4 digit) (or "/" "-")
			(= 2 digit) (or "/" "-") (= 2 digit)))
	      (uuid (seq (= 8 hex) "-" (= 3 (seq (= 4 hex) "-")) (= 12 hex)))
	      (guid (seq uuid)))
       (rxt-elisp-to-pcre (rx ,@expressions))))
  :commands prx)

(use-package haskell-mode
  :mode "\\.hs")
(use-package yuck-mode
  :mode "\\.yuck")

(use-package fretboard
  :ensure (:host github :repo "vifon/fretboard.el")
  :commands fretboard)

(use-package power-mode
  :commands power-mode
  :custom
  (power-mode-streak-shake-threshold nil))
(use-package notibox
  :if (display-graphic-p)
  :ensure (:host github :repo "MitchMarq42/notibox.el")
  :demand t
  :custom (notibox-corner 'topright)
  :config (notibox/setup-timer))


(use-package vidframe
  :if (display-graphic-p)		;we won't yet bother with
					;kitty/sixel/catimg shit
  :ensure (:host github :repo "MitchMarq42/vidframe.el")
  :defer t)

;; Kitty Keyboard Protocol
(use-package kkp
  :ensure (:host github :repo "benjaminor/kkp")
  :unless (display-graphic-p)
  :config (global-kkp-mode))

;; Rubix Cube
(use-package eagle
  :ensure (:repo "https://codeberg.org/akib/emacs-eagle"))
(use-package cube
  :ensure (:repo "https://codeberg.org/akib/emacs-cube")
  :commands 'cube)

(use-package dtache
  :ensure (:repo "https://gitlab.com/niklaseklund/dtache")
  :hook (after-init . dtache-setup))


(use-package org-modern-indent
  :ensure (:type git :host github :repo "jdtsmith/org-modern-indent")
  :hook (org-mode . org-modern-indent-mode))

(use-package indent-bars
  :ensure (:type git :host github :repo "jdtsmith/indent-bars")
  :custom
  (indent-bars-prefer-character t)
  (indent-bars-color '(highlight :face-bg t :blend 0.75))
  (indent-bars-color-by-depth '(:palette ("lime" "yellow" "pink" "cyan") :blend 1))
  (indent-bars-unspecified-fg-color "white")
  (indent-bars-unspecified-bg-color "black")
  (indent-bars-highlight-current-depth '(:face error :blend 0.7))
  :hook (python-mode . indent-bars-mode))


(use-package lua-mode
  :mode "\\.lua")

(use-package nix-mode
  :mode "\\.nix")

(use-package yeetube
  :commands 'yeetube-search)

					;(require 'mir-packages)
;; (setq esup-depth 0)

;; Absolute line numbers. Relative ones are an annoyance to set up, sadly.
;; (global-display-line-numbers-mode)
;; (defvar display-line-numbers-width-start t)

;; Don't barf out emacs errors as they are encountered
(setq debug-on-error nil)

;;; init.el ends here