nixconfig/emacs/init.el

;;; init.el --- Description -*- lexical-binding: t; -*-
;;
;; Copyright (C) 2023 Daniel Ziltener
;;
;; Author: Daniel Ziltener <dziltener@lyrion.ch>
;; Maintainer: Daniel Ziltener <dziltener@lyrion.ch>
;; Created: November 13, 2023
;; Modified: November 13, 2023
;; Version: 0.0.1
;; Keywords: abbrev bib c calendar comm convenience data docs
;; emulations extensions faces files frames games hardware help
;; hypermedia i18n internal languages lisp local maint mail matching
;; mouse multimedia news outlines processes terminals tex tools unix
;; vc wp
;; Homepage: https://github.com/dziltener@lyrion.ch/init
;; Package-Requires: ((emacs "24.3"))
;;
;; This file is not part of GNU Emacs.
;;
;;; Commentary:
;;
;;  Description
;;
;;; Code:
(require 'cl-macs)

;;;; Early Variables
(setq custom-file "~/.emacs.d/custom.el")
(when (file-exists-p custom-file)
  (load custom-file))

;;;; Personal Information Setup
(setq user-full-name "Daniel Ziltener"
      user-mail-address "dziltener@lyrion.ch")
(auth-source-pass-enable)

;;;; Straight.el

;; (defvar bootstrap-version)
;; (let ((bootstrap-file
;;        (expand-file-name "straight/repos/straight.el/bootstrap.el" user-emacs-directory))
;;       (bootstrap-version 6))
;;   (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))
;; (setq straight-use-package-by-default t)

;;;; Package Management Configuration
;; See: https://github.com/radian-software/el-patch
(use-package el-patch)

;;;; Helper Functions
(cl-defun conditional-keybind (filter-fn target-fn
                                         &optional (fail-fn #'self-insert-command))
  (lambda (_prefix)
    (interactive "P")
    (if (funcall filter-fn)
        (call-interactively target-fn)
      (call-interactively fail-fn))))

;;;; Emacs
(use-package emacs
  :custom
  (completion-cycle-threshold 10)
  (read-extended-command-predicate
   #'command-completion-default-include-p)
  (minibuffer-prompt-properties
   (read-only t cursor-intangible t face minibuffer-prompt))
  (tab-always-indent 'complete)
  (indent-tabs-mode nil)
  (enable-recursive-minibuffers t)
  (enable-remote-dir-locals t)
  (global-hl-line-mode t)
  (menu-bar-mode nil)
  (scroll-bar-mode nil)
  (tool-bar-mode nil)
  (recentf-mode t)
  :hook
  (minibuffer-setup . cursor-intangible-mode)
  :config
  (advice-add 'risky-local-variable-p :override #'ignore))

;;;; Org Mode
(use-package org
  :ensure t
  :hook
  (org-src-mode . hack-local-variables)
  :config
  (setq org-directory "~/org")
  (add-to-list 'org-modules 'collector))

(use-package org-roam
  :ensure t
  :custom
  (org-roam-directory "~/org/roam")
  :config
  (progn (org-roam-db-autosync-mode)))

(use-package websocket
  :ensure t
  :after org-roam)

(use-package org-roam-ui
  :ensure t
  :after org-roam
  :custom
  (org-roam-ui-sync-theme t)
  (org-roam-ui-follow t)
  (org-roam-ui-update-on-save t)
  (org-roam-ui-open-on-start t))

(use-package org-modern
  :ensure t
  :hook
  ((org-mode . org-modern-mode)
   (org-agenda-finalize . org-modern-agenda)))

(use-package org-rainbow-tags
  :hook
  (org-mode . org-rainbow-tags-mode))

;;;; Design
(use-package color-theme-modern)
(use-package moe-theme)
(use-package catppuccin-theme
  :custom
  (catppuccin-flavor 'mocha)
  (catppuccin-highlight-matches t)
  (catppuccin-italic-comments t)
  :custom-face
  (font-lock-doc-face ((t (:inherit font-lock-comment-face
                                    :foreground "#fab387"))))
  :config
  (load-theme 'catppuccin))

(set-frame-parameter nil 'alpha-background 80)
(add-to-list 'default-frame-alist '(alpha-background . 80))
(set-frame-font "Victor Mono Nerd Font-10:bold" nil t)

;;;; Security
(use-package keychain-environment
  :init
  (keychain-refresh-environment))

(use-package pass)
(use-package password-store)
(use-package password-store-otp)

;;;; Evil Mode
(use-package evil
  ;; :after evil-leader
  :ensure t
  :init
  (setq evil-want-keybinding nil)
  :config
  (evil-set-leader 'normal (kbd "<SPC>"))
  (evil-set-leader 'normal (kbd "z") t)
  (evil-mode 1)
  :bind
  (:map evil-normal-state-map
        ("<leader>f" . 'find-file)
        ("<leader>k" . 'kill-buffer)))

(use-package evil-collection
  :after evil
  :ensure t
  :custom
  (evil-collection-outline-bind-tab-p 1)
  :commands evil-collection-init
  :init
  (evil-collection-init))

;;;; Search, Completion, Execution
;;;;; Preliminary Packages
(use-package savehist
  :init
  (savehist-mode))

(use-package orderless
  :after consult
  :config
  (with-eval-after-load 'eglot
    (setq completion-category-defaults nil))
  (setq completion-styles
        '(orderless basic)
        completion-category-defaults nil
        completion-category-overrides '((file (styles partial-completion)))))

(use-package consult
  :bind
     (:map evil-normal-state-map
        ("<leader><SPC>" . 'consult-find)
        ("<leader>gs" . 'consult-eglot-symbols)
        ("<leader>b" . 'consult-buffer)
        ("<leader>gb" . 'consult-project-buffer)
        ("<leader>g/" . 'consult-git-grep)
        ("<leader>/" . 'consult-grep)
        ("/" . 'consult-line)))

(use-package embark
  :bind
  ("C-<SPC>" . 'embark-act)
  ("C-M-<return>" . 'embark-bindings))

(use-package embark-consult
  :after (embark consult)
  :hook
  (embark-collect-mode . consult-preview-at-point-mode))

(use-package wgrep
  :config
  (setq wgrep-auto-save-buffer t))

(use-package vertico
  :commands
  vertico-mode
  :init
  (vertico-mode))

(use-package marginalia
  :commands
  marginalia-mode
  :init
  (marginalia-mode))

(use-package nerd-icons-completion
  :after marginalia
  :commands
  nerd-icons-completion-mode
  :hook
  (marginalia-mode-hook . nerd-icons-completion-marginalia-setup)
  :init
  (nerd-icons-completion-mode))

(use-package which-key
  :commands
  which-key-setup-minibuffer
  :init
  (which-key-setup-minibuffer))

;;;;; Code Completion
(use-package cape
  :config
  (advice-add 'eglot-completion-at-point :around #'cape-wrap-buster))

(defun my/corfu-combined-sort (candidates)
  "Sort CANDIDATES using both display-sort-function and corfu-sort-function."
  (let ((candidates
         (let ((display-sort-func (corfu--metadata-get 'display-sort-function)))
           (if display-sort-func
               (funcall display-sort-func candidates)
             candidates))))
    (if corfu-sort-function
        (funcall corfu-sort-function candidates)
      candidates)))

(use-package corfu
  :custom
  (corfu-cycle t)
  (corfu-preselect 'prompt)
  (corfu-auto t)
  (corfu-scroll-margin 5)
  (corfu-quit-no-match 'separator)
  (evil-collection-corfu-key-themes '(tab-n-go))
  :config
  (setq corfu-sort-override-function #'my/corfu-combined-sort)
  :commands
  global-corfu-mode
  :init
  (global-corfu-mode))

(use-package corfu-history
  :config
  (add-to-list 'savehist-additional-variables 'corfu-history)
  :hook
  (global-corfu-mode . corfu-history-mode))

(use-package corfu-popupinfo
  :after (corfu corfu-terminal)
  :custom
  (corfu-popupinfo-delay '(0.1 . 0.5))
  :commands
  corfu-popupinfo-mode
  :init
  (corfu-popupinfo-mode))

(use-package nerd-icons-corfu
  :after corfu
  :init
  (add-to-list 'corfu-margin-formatters 'nerd-icons-corfu-formatter))

(use-package corfu-terminal
  :if (not (display-graphic-p))
  :after corfu
  :commands
  corfu-terminal-mode
  :init
  (corfu-terminal-mode +1))
(use-package tempel)

(use-package xref-union)

;;;; Basic Navigation
(use-package goto-chg
  :bind
  (:map evil-normal-state-map
        ("g," . 'goto-last-change)
        ("g;" . 'goto-last-change-reverse)))

(use-package evil-snipe
  :custom
  (evil-snipe-scope 'whole-visible)
  (evil-snipe-repeat-scope 'whole-buffer)
  (evil-snipe-spillover-scope 'whole-buffer)
  :hook
  evil-mode
  (evil-mode . evil-snipe-override-mode)
  (magit-mode . turn-off-evil-snipe-override-mode)
  ;; See https://github.com/hlissner/evil-snipe/issues/95
  ;; :config
  ;; (evilem-define "gs" 'evil-snipe-repeat
  ;;                :bind ((evil-snipe-scope 'buffer)
  ;;                       (evil-snipe-enable-highlight)
  ;;                       (evil-snipe-enable-incremental-highlight)))
  )

(use-package evil-easymotion
  :config
  (evilem-default-keybindings "<leader>"))

;;;; Lisp Navigation and Editing
;;;;; Helper Functions
(defun cc/move-sexp-backward ()
  "Move balanced expression (sexp) to the right of point backward one sexp.
Point must be at the beginning of balanced expression (sexp)."
  (interactive)
  (transpose-sexps 1)
  (forward-sexp -2))

(defun cc/move-sexp-forward ()
  "Move balanced expression (sexp) to the right of point forward one sexp.
Point must be at the beginning of balanced expression (sexp)."
  (interactive)
  (forward-sexp 1)
  (transpose-sexps 1)
  (forward-sexp -1))

(defun looking-at-opening-paren ()
  (looking-at (rx (or "(" "{" "["))))

(defun being-past-closing-paren ()
  (looking-back (rx (or ")" "}" "]"))))

;;;;; Basic
(use-package smartparens
  :hook
  (smartparens-mode . show-smartparens-mode)
  (smartparens-mode . smartparens-strict-mode)
  clojure-ts-mode
  emacs-lisp-mode
  scheme-mode
  :config
  (add-to-list 'sp-clojure-modes 'clojure-ts-mode)
  (add-to-list 'sp-clojure-modes 'clojurec-ts-mode)
  (add-to-list 'sp-clojure-modes 'clojurescript-ts-mode)
  (add-to-list 'sp-lisp-modes 'clojure-ts-mode)
  (add-to-list 'sp-lisp-modes 'clojurec-ts-mode)
  (add-to-list 'sp-lisp-modes 'clojurescript-ts-mode)
  (evil-define-key 'insert smartparens-mode-map
    (kbd "r") (conditional-keybind #'looking-at-opening-paren
                                   #'sp-raise-sexp)
    (kbd "w") (conditional-keybind #'looking-at-opening-paren 
                                   #'cc/move-sexp-backward)
    (kbd "s") (conditional-keybind #'looking-at-opening-paren
                                   #'cc/move-sexp-forward)
    (kbd "c") (conditional-keybind #'looking-at-opening-paren 
                                   #'sp-clone-sexp)
    (kbd "DEL") (conditional-keybind #'being-past-closing-paren
                                     #'sp-backward-delete-sexp
                                     #'evil-delete-backward-char-and-join)
    (kbd ">") (conditional-keybind #'being-past-closing-paren
                                   (lambda (prefix)
                                     (interactive "P")
                                     (call-interactively #'backward-char)
                                     (call-interactively #'sp-forward-slurp-sexp)
                                     (call-interactively #'sp-forward-sexp)
                                     (call-interactively #'forward-char)))
    (kbd "<") (conditional-keybind #'being-past-closing-paren
                                   (lambda (prefix)
                                     (interactive "P")
                                     (call-interactively #'backward-char)
                                     (call-interactively #'sp-forward-barf-sexp)
                                     (call-interactively #'forward-char)))))

(use-package evil-cleverparens
  :after smartparens
  :hook smartparens)

;;;;; Visual Aid
;; (use-package rainbow-delimiters
;;   :hook
;;   emacs-lisp-mode
;;   scheme-mode)

;;;; Programming
(use-package editorconfig
  :commands
  editorconfig-mode
  :init
  (editorconfig-mode 1))

(use-package flymake)

(use-package consult-flymake
  :after (consult flymake))

(defun my/eglot-capf ()
  (setq-local completion-at-point-functions
              (list (cape-super-capf
                     #'eglot-completion-at-point
                     #'tempel-complete
                     #'cape-dabbrev
                     #'cape-file
                     #'cape-dict))))

(use-package eglot
  :custom
  (eglot-connect-timeout 90)
  (eglot-autoshutdown t)
  (eglot-report-progress t)
  :config
  (defun eglot-mode ()
    (eglot-inlay-hints-mode +1)
    (my/eglot-capf))
  (setq-default eglot-workspace-configuration
                '((clojure-lsp (maxCompletions . 300))))
  (add-to-list 'eglot-server-programs
               '((clojure-ts-mode clojurec-ts-mode clojurescript-ts-mode)
                 "clojure-lsp"
                 :initializationOptions
                 (:preferences
                  (:includeInlayParameterNameHints
                   "all"
                   :includeInlayParameterNameHintsWhenArgumentMatchesName
                   t
                   :includeInlayFunctionParameterTypeHints
                   t
                   :includeInlayVariableTypeHints
                   t
                   :includeInlayVariableTypeHintsWhenTypeMatchesName
                   t
                   :includeInlayPRopertyDeclarationTypeHints
                   t
                   :includeInlayFunctionLikeReturnTypeHints
                   t
                   :includeInlayEnumMemberValueHints
                   t))))
  :hook
  (eglot-managed-mode . (lambda ()
                          (add-hook 'before-save-hook
                                    (lambda ()
                                      (call-interactively #'eglot-format-buffer))
                                    nil 'local)))
  (eglot-managed-mode . eglot-inlay-hints-mode)
  (eglot-managed-mode . #'my/eglot-capf))

(use-package consult-eglot
  :after (consult eglot))

(use-package tree-sitter
  :ensure t)

;;;;; Clojure
(use-package clojure-ts-mode
  :after tree-sitter
  :config
  (require 'sesman)
  (sesman-install-menu clojure-mode-map)
  :hook
  ((clojure-ts-mode . eglot-ensure)
   (clojure-ts-mode . (lambda ()
                        (setq-local sesman-system 'CIDER)))
   (clojure-ts-mode . (lambda ()
                        (sesman-install-menu clojure-mode-map)))
   (clojurec-ts-mode . (lambda ()
                         (sesman-install-menu clojurec-mode-map)))
   (clojurescript-ts-mode . (lambda ()
                              (sesman-install-menu clojurescript-mode-map))))
  :mode
  ("\\.clj\\'" . #'clojure-ts-mode)
  ("\\.cljc\\'" . #'clojurec-ts-mode)
  ("\\.cljs\\'" . #'clojurescript-ts-mode)
  :init
  (add-to-list 'tree-sitter-major-mode-language-alist
               '(clojure-ts-mode . clojure))
  (add-to-list 'tree-sitter-major-mode-language-alist
               '(clojurec-ts-mode . clojure))
  (add-to-list 'tree-sitter-major-mode-language-alist
               '(clojurescript-ts-mode . clojure)))

(use-package cider
  :hook
  (clojure-ts-mode . cider-mode)
  (cider-connected-hook . xref-union-mode)
  :config
  (evil-define-key 'insert 'cider-mode-map
    "C-x C-e" #'cider-eval-last-sexp)
  (evil-define-key 'normal 'cider-mode-map
    (kbd "<localleader>ce") #'cider-eval-sexp-at-point))

;;;;; Chicken Scheme
(defun flymake-chicken-init ()
  (add-hook 'flymake-diagnostic-functions
            #'flymake-chicken-backend nil t)
  (flymake-mode))

(use-package geiser
  :config
  (defalias 'run-geiser 'geiser))

(use-package lsp-scheme
  :autoload lsp-scheme-chicken
  :hook
  (scheme-mode . lsp-scheme)
  :custom
  (lsp-scheme-implementation "chicken")
  :config
  (progn (add-to-list 'eglot-server-programs
                      '(scheme-mode . ("chicken-lsp-server"))))
  (require 'lsp-scheme))

;; (use-package flymake-chicken
;;   :hook
;;   ((scheme-mode . flymake-chicken-init)
;;    (scheme-mode . flymake-mode))
;;   :custom
;;   (flycheck-global-modes '(not scheme-mode))
;;   :config
;;   (add-hook 'flymake-diagnostic-functions #'flymake-chicken-backend nil t))

;;;; Other Languages
(use-package nix-mode
  :hook
  eglot-ensure
  :mode ("\\.nix\\'" . nix-mode))

;; (use-package lsp-tailwindcss
;;   :init
;;   (setq lsp-tailwindcss-add-on-mode t
;;         lsp-tailwindcss-experimental-class-regex ["\"([^\"]*)\""])
;;   :config
;;   (add-to-list 'lsp-tailwindcss-major-modes 'clojurescript-ts-mode)
;;   (add-to-list 'lsp-tailwindcss-major-modes 'clojurec-ts-mode))

(use-package dhall-mode
  :mode "\\.dhall\'"
  :hook
  ((dhall-mode . lsp)))

;;;; Version Control

;;;;; Git
(use-package magit
  :autoload
  magit)

(use-package magit-todos
  :after magit
  :hook
  (magit-mode . magit-todos-mode))

(use-package forge
  :after magit
  :config
  (advice-add 'magit :after (lambda (&rest _args)
                              (call-interactively #'forge-pull))))

(use-package code-review
  :after forge
  :custom
  (code-review-auth-login-marker 'forge))

(use-package git-gutter
  :hook prog-mode)

;;;; LaTeX
;; https://github.com/politza/pdf-tools/#known-problems
(add-hook 'TeX-after-compilation-finished-functions
          #'TeX-revert-document-buffer)

;;;; Communication
;;;;; IRC
(use-package circe
  :ensure t
  :hook
  (circe-chat-mode . enable-circe-color-nicks)
  :custom
  (circe-network-options
   '(("Lyrion Libera Chat"
      :host "lyrion.ch"
      :port 6697
      :tls t
      :nick "zilti"
      :sasl-username "zilti/irc.libera.chat"
      :sasl-password (lambda (_)
                       (password-store-get "Privat/Soju"))))))

(provide 'init)
;;; init.el ends here