ryuslash/mode-icons
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Tom Willemse 2016-01-24 21:48:24 +01:00
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182
mode-icons.el
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@ -51,6 +51,10 @@
;; (mode-icons-mode)
;;; Code:
(defgroup mode-icons nil
"Provide icons for major modes."
:group 'editing-basics
:group 'convenience)
(defconst mode-icons--directory
(if load-file-name
@ -65,9 +69,8 @@ ICON should be a file name with extension. The result is the
absolute path to ICON."
(concat mode-icons--directory "/icons/" icon))
(defvar mode-icons
`(
("CSS" "css" xpm)
(defcustom mode-icons
'(("CSS" "css" xpm)
("Coffee" "coffee" xpm)
("Compilation" "compile" xpm)
("Emacs-Lisp" "emacs" xpm)
@ -97,14 +100,29 @@ absolute path to ICON."
("XML" "xml" xpm)
("YAML" "yaml" xpm)
("YASnippet" "yas" xpm)
)
"Icons for major modes.
(" yas" "yas" xpm)
(" hs" "hs" xpm)
("\\(ElDoc\\|Anzu\\|SP\\|Guide\\|PgLn\\|Golden\\|Undo-Tree\\|Ergo.*\\|,\\)" nil nil))
"Icons for major and minor modes.
Each specification is a list with the first element being the
Each specificatioun is a list with the first element being the
name of the major mode. The second the name of the icon file,
without the extension. And the third being the type of icon.")
without the extension. And the third being the type of icon."
:type '(repeat
(list (string :tag "Regular Expression")
(choice
(string :tag "Icon Name")
(const :tag "Suppress" nil))
(choice
(const :tag "text" nil)
(const :tag "png" png)
(const :tag "gif" gif)
(const :tag "jpeg" jpeg)
(const :tag "xbm" xbm)
(const :tag "xpm" xpm))))
:group 'mode-icons)
(defun get-icon-display (icon type)
(defun mode-icons-get-icon-display (icon type)
"Get the value for the display property of ICON having TYPE.
ICON should be a string naming the file of the icon, without its
@ -112,31 +130,139 @@ extension. Type should be a symbol designating the file type for
the icon."
(let ((icon-path (mode-icons-get-icon-file
(concat icon "." (symbol-name type)))))
`(image :type ,type :file ,icon-path :ascent center)))
`(image :type ,type :file ,icon-path :ascent center)))
(defun propertize-mode (mode icon-spec)
(defcustom mode-icons-minor-mode-base-text-properties
'('help-echo 'rm--help-echo
'mouse-face 'mode-line-highlight
'local-map mode-line-minor-mode-keymap)
"List of text propeties to apply to every minor mode."
:type '(repeat sexp)
:group 'mode-icons)
(defvar mode-icons-powerline-p nil)
(defun mode-icons-need-update-p ()
"Determine if the mode-icons need an update"
(not (or (and (boundp 'rich-minority-mode) rich-minority-mode)
(member 'sml/pos-id-separator mode-line-format)
(string-match-p "powerline" (prin1-to-string mode-line-format)))))
(defun mode-icons-propertize-mode (mode icon-spec)
"Propertize MODE with ICON-SPEC.
MODE should be a string, the name of the mode to propertize.
ICON-SPEC should be a specification from `mode-icons'."
(propertize
mode 'display (get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))))
(cond
((not (nth 1 icon-spec)) "")
(t (propertize mode 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))))))
(defun get-mode-icon (mode)
(defun mode-icons-get-icon-spec (mode)
"Get icon spec based on regular expression."
(catch 'found-mode
(dolist (item mode-icons)
(when (string-match-p (car item) mode)
(throw 'found-mode item)))
nil))
(defun mode-icons-get-mode-icon (mode)
"Get the icon for MODE, if there is one."
(let* ((mode-name (format-mode-line mode))
(icon-spec (assoc mode-name mode-icons)))
(icon-spec (mode-icons-get-icon-spec mode-name)))
(if icon-spec
(propertize-mode mode-name icon-spec)
(mode-icons-propertize-mode mode-name icon-spec)
mode-name)))
(defun set-mode-icon (mode)
"Set the icon for MODE."
(setq mode-name (get-mode-icon mode)))
(defvar mode-icons-cached-mode-name nil
"Cached mode name to restore when disabling mode-icons.")
(defun set-current-mode-icon ()
(defun mode-icons-set-mode-icon (mode)
"Set the icon for MODE."
(unless mode-icons-cached-mode-name
(set (make-local-variable 'mode-icons-cached-mode-name)
mode-name)
(setq mode-name (mode-icons-get-mode-icon mode))))
(defun mode-icons-major-mode-icons-undo ()
"Undo the mode-name changes"
(dolist (b (buffer-list))
(with-current-buffer b
(when mode-icons-cached-mode-name
(setq mode-name mode-icons-cached-mode-name
mode-icons-cached-mode-name nil)))))
(defun mode-icons-major-mode-icons ()
"Apply mode name changes on all buffers."
(dolist (b (buffer-list))
(with-current-buffer b
(mode-icons-set-current-mode-icon))))
(defun mode-icons-set-current-mode-icon ()
"Set the icon for the current major mode."
(set-mode-icon mode-name))
(mode-icons-set-mode-icon mode-name))
(defvar mode-icons-set-minor-mode-icon-alist nil)
(defun mode-icons-set-minor-mode-icon-undo ()
(let (minor)
(dolist (mode mode-icons-set-minor-mode-icon-alist)
(setq minor (assq (car mode) minor-mode-alist))
(when minor
(setcdr minor (cdr mode)))))
(setq mode-icons-set-minor-mode-icon-alist nil)
(force-mode-line-update))
(defcustom mode-icons-separate-images-with-spaces t
"Separate minor-mode icons with spaces."
:type 'boolean
:group 'mode-icons)
(defun mode-icons-set-minor-mode-icon ()
"Set the icon for the minor modes."
(let (icon-spec mode-name minor)
(dolist (mode minor-mode-alist)
(unless (assq (car mode) mode-icons-set-minor-mode-icon-alist)
(setq mode-name (format-mode-line mode)
icon-spec (mode-icons-get-icon-spec mode-name))
(when icon-spec
(setq minor (assq (car mode) minor-mode-alist))
(when minor
(or (assq (car mode) mode-icons-set-minor-mode-icon-alist)
(push (copy-sequence minor) mode-icons-set-minor-mode-icon-alist))
(setq mode-name (replace-regexp-in-string "^ " "" mode-name)
mode-name (mode-icons-propertize-mode mode-name icon-spec))
(if (string= "" mode-name)
(setcdr minor (list ""))
(setcdr minor (list (concat (or (and mode-icons-separate-images-with-spaces " ") "")
mode-name)))))))))
(force-mode-line-update))
(defun mode-icons--generate-minor-mode-list ()
"Extracts all rich strings necessary for the minor mode list."
(delete " " (delete "" (mapcar (lambda(mode)
(concat " " (eval `(propertize ,mode ,@mode-icons-minor-mode-base-text-properties))))
(split-string (format-mode-line minor-mode-alist))))))
;; Based on rich-minority by Artur Malabarba
(defvar mode-icons--backup-construct nil)
(defvar mode-icons--mode-line-construct
'(:eval (mode-icons--generate-minor-mode-list))
"Construct used to replace `minor-mode-alist'.")
(defun mode-icons-fix (&optional enable)
"Fix mode-icons."
(if enable
(let ((place (or (member 'minor-mode-alist mode-line-modes)
(cl-member-if
(lambda (x) (and (listp x)
(equal (car x) :propertize)
(equal (cadr x) '("" minor-mode-alist))))
mode-line-modes))))
(when place
(setq mode-icons--backup-construct (car place))
(setcar place mode-icons--mode-line-construct)))
(let ((place (member mode-icons--mode-line-construct mode-line-modes)))
(when place
(setcar place mode-icons--backup-construct)))))
;;;###autoload
(define-minor-mode mode-icons-mode
@ -144,9 +270,19 @@ ICON-SPEC should be a specification from `mode-icons'."
:global t
(if mode-icons-mode
(progn
(add-hook 'after-change-major-mode-hook 'set-current-mode-icon)
(set-current-mode-icon))
(remove-hook 'after-change-major-mode-hook 'set-current-mode-icon)))
(add-hook 'after-change-major-mode-hook 'mode-icons-set-current-mode-icon)
(add-hook 'after-change-major-mode-hook 'mode-icons-set-minor-mode-icon)
(mode-icons-fix t)
(mode-icons-set-minor-mode-icon)
(mode-icons-major-mode-icons))
(remove-hook 'after-change-major-mode-hook 'mode-icons-set-minor-mode-icon)
(remove-hook 'after-change-major-mode-hook 'mode-icons-set-current-mode-icon)
(mode-icons-set-minor-mode-icon-undo)
(mode-icons-major-mode-icons-undo)
(mode-icons-fix)))
(provide 'mode-icons)
;;; mode-icons.el ends here
;; Local Variables:
;; indent-tabs-mode: nil
;; End: