nixos/home/emacs/modules/custom-ligatures-config.el
Evie Litherland-Smith 55ae93f633 Big emacs re-write to use crafted-emacs
emacs/default.nix now links new init.el and modules directories (mine
and crafted-emacs) to ~/.config/emacs/
emacs/default.nix installs emacs29-pgtk with packages as needed in
module *-config.el definitions

Add tree-sitter with required parsers

Remove doom-emacs and places it was set
2023-10-23 17:28:05 +01:00

59 lines
2.1 KiB
EmacsLisp

(defun fira-code-mode--make-alist (list)
"Generate prettify-symbols alist from LIST."
(let ((idx -1))
(mapcar
(lambda (s)
(setq idx (1+ idx))
(let* ((code (+ #Xe100 idx))
(width (string-width s))
(prefix ())
(suffix '(?\s (Br . Br)))
(n 1))
(while (< n width)
(setq prefix (append prefix '(?\s (Br . Bl))))
(setq n (1+ n)))
(cons s (append prefix suffix (list (decode-char 'ucs code))))))
list)))
(defconst fira-code-mode--ligatures
'("www" "**" "***" "**/" "*>" "*/" "\\\\" "\\\\\\"
"{-" "[]" "::" ":::" ":=" "!!" "!=" "!==" "-}"
"--" "---" "-->" "->" "->>" "-<" "-<<" "-~"
"#{" "#[" "##" "###" "####" "#(" "#?" "#_" "#_("
".-" ".=" ".." "..<" "..." "?=" "??" ";;" "/*"
"/**" "/=" "/==" "/>" "//" "///" "&&" "||" "||="
"|=" "|>" "^=" "$>" "++" "+++" "+>" "=:=" "=="
"===" "==>" "=>" "=>>" "<=" "=<<" "=/=" ">-" ">="
">=>" ">>" ">>-" ">>=" ">>>" "<*" "<*>" "<|" "<|>"
"<$" "<$>" "<!--" "<-" "<--" "<->" "<+" "<+>" "<="
"<==" "<=>" "<=<" "<>" "<<" "<<-" "<<=" "<<<" "<~"
"<~~" "</" "</>" "~@" "~-" "~=" "~>" "~~" "~~>" "%%"
"x" ":" "+" "+" "*"))
(defvar fira-code-mode--old-prettify-alist)
(defun fira-code-mode--enable ()
"Enable Fira Code ligatures in current buffer."
(setq-local fira-code-mode--old-prettify-alist prettify-symbols-alist)
(setq-local prettify-symbols-alist (append (fira-code-mode--make-alist fira-code-mode--ligatures) fira-code-mode--old-prettify-alist))
(prettify-symbols-mode t))
(defun fira-code-mode--disable ()
"Disable Fira Code ligatures in current buffer."
(setq-local prettify-symbols-alist fira-code-mode--old-prettify-alist)
(prettify-symbols-mode -1))
(define-minor-mode fira-code-mode
"Fira Code ligatures minor mode"
:lighter " Fira Code"
(setq-local prettify-symbols-unprettify-at-point 'right-edge)
(if fira-code-mode
(fira-code-mode--enable)
(fira-code-mode--disable)))
(defun fira-code-mode--setup ()
"Setup Fira Code Symbols"
(set-fontset-font t '(#Xe100 . #Xe16f) "Fira Code Symbol"))
(provide 'fira-code-mode)