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emacs/elpa/all-the-icons-dired-20231207.1324/all-the-icons-dired.el

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EmacsLisp

;;; all-the-icons-dired.el --- Shows icons for each file in dired mode -*- lexical-binding: t; -*-
;; Copyright (C) 2016-2020 jtbm37
;; Copyright (C) 2021 Jimmy Yuen Ho Wong
;; Author: jtbm37
;; Maintainer: Jimmy Yuen Ho Wong <wyuenho@gmail.com>
;; Version: 2.0
;; Keywords: files icons dired
;; Package-Requires: ((emacs "26.1") (all-the-icons "2.2.0"))
;; URL: https://github.com/wyuenho/all-the-icons-dired
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; To use this package, simply add this to your init.el:
;; (add-hook 'dired-mode-hook 'all-the-icons-dired-mode)
;; To manually install, add this to your init.el before the hook mentioned above.
;; (add-to-load-path (expand-file-name "~/path/to/all-the-icons-dired"))
;; (load "all-the-icons-dired.el")
;;; Code:
(require 'dired)
(require 'all-the-icons)
(require 'subr-x)
(require 'image)
(require 'jit-lock)
(require 'font-core)
(require 'font-lock)
(require 'map)
(defface all-the-icons-dired-dir-face
'((t (:inherit dired-directory)))
"Face for the directory icon."
:group 'all-the-icons-faces)
(defcustom all-the-icons-dired-lighter " all-the-icons-dired-mode"
"Lighter of all-the-icons-dired-mode"
:group 'all-the-icons
:type 'string)
(defcustom all-the-icons-dired-v-adjust 0.01
"The default vertical adjustment of the icon in the Dired buffer."
:group 'all-the-icons
:type 'number)
(defcustom all-the-icons-dired-monochrome t
"Whether to show the icons as the same color as the text on the same line."
:group 'all-the-icons
:type 'boolean)
(defvar all-the-icons-dired-mode)
(defun all-the-icons-dired--icon (file)
"Return the icon for FILE."
(if (file-directory-p file)
(all-the-icons-icon-for-dir file
:face 'all-the-icons-dired-dir-face
:v-adjust all-the-icons-dired-v-adjust)
(apply 'all-the-icons-icon-for-file file
(append
`(:v-adjust ,all-the-icons-dired-v-adjust)
(when all-the-icons-dired-monochrome
`(:face ,(face-at-point)))))))
(defun all-the-icons-dired--put-icon (pos)
"Propertize POS with icon."
(let* ((file (dired-get-filename 'relative 'noerror))
(icon (all-the-icons-dired--icon file))
(image (copy-sequence (get-text-property 0 'display icon)))
(props (map-delete (copy-sequence (text-properties-at 0 icon)) 'display)))
(if (or (not (eq (car image) 'image)) (member file '("." "..")))
(put-text-property (1- pos) pos 'display
(if (member file '("." ".."))
" "
(concat " " icon " ")))
(setf (image-property image :margin) (cons (/ (window-text-width nil t) (window-text-width)) 0))
(add-text-properties (1- pos) pos (append props `(display ,image) )))))
(defun all-the-icons-dired--fontify-region (start end &optional loudly)
"Add icons using text properties from START to END.
START, END and the optional argument LOUDLY is passed to
`font-lock-default-fontify-region'."
(let ((extended-region (font-lock-default-fontify-region start end loudly)))
(when (and (consp extended-region)
(eq (car extended-region) 'jit-lock-bounds))
(setq start (cadr extended-region))
(setq end (cddr extended-region)))
(with-silent-modifications
(save-excursion
(goto-char start)
(while (< (point) end)
(when-let ((pos (dired-move-to-filename)))
(all-the-icons-dired--put-icon pos))
(forward-line 1))))
extended-region))
(defun all-the-icons-dired--setup ()
"Set up `all-the-icons-dired'."
(add-function :override (local 'font-lock-fontify-region-function) #'all-the-icons-dired--fontify-region)
(setq-local font-lock-extra-managed-props (cons 'display font-lock-extra-managed-props))
(cond (jit-lock-mode
(jit-lock-refontify))
(font-lock-mode
(font-lock-fontify-region (point-min) (point-max)))))
(defun all-the-icons-dired--teardown ()
"Tear down `all-the-icons-dired'."
(font-lock-unfontify-buffer)
(remove-function (local 'font-lock-fontify-region-function) #'all-the-icons-dired--fontify-region)
(setq-local font-lock-extra-managed-props (remove 'display font-lock-extra-managed-props))
(cond (jit-lock-mode
(jit-lock-refontify))
(font-lock-mode
(font-lock-fontify-region (point-min) (point-max)))))
;;;###autoload
(define-minor-mode all-the-icons-dired-mode
"Display all-the-icons icon for each file in a Dired buffer."
:lighter all-the-icons-dired-lighter
(when (derived-mode-p 'dired-mode)
(if all-the-icons-dired-mode
(all-the-icons-dired--setup)
(all-the-icons-dired--teardown))))
(provide 'all-the-icons-dired)
;;; all-the-icons-dired.el ends here