Allow mode-icons fonts to work in windows

This commit is contained in:
Matthew L. Fidler 2016-02-09 23:07:44 -06:00
parent 72736b5a92
commit 57acfed666

View file

@ -43,9 +43,15 @@ 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-octicons-font
(find-font (font-spec :name "github-octicons")))
(defmacro mode-icons-define-font (font)
"Define FONT for `mode-icons'."
`(progn
(defvar ,(intern (format "mode-icons-font-spec-%s" font))
(font-spec :name ,(format "%s" font)))
(defvar ,(intern (format "mode-icons-font-%s" font))
(find-font ,(intern (format "mode-icons-font-spec-%s" font))))))
(mode-icons-define-font "github-octicons")
(defcustom mode-icons
`(("CSS" "css" xpm)
@ -78,7 +84,7 @@ absolute path to ICON."
("YASnippet" "yas" xpm)
(" yas" "yas" xpm)
(" hs" "hs" xpm)
("Markdown" ,(make-string 1 #xf0c9) octicons)
("Markdown" ,(make-string 1 #xf0c9) github-octicons)
;; Diminished modes
("\\(ElDoc\\|Anzu\\|SP\\|Guide\\|PgLn\\|Golden\\|Undo-Tree\\|Ergo.*\\|,\\|Isearch\\)" nil nil)
)
@ -94,7 +100,7 @@ without the extension. And the third being the type of icon."
(const :tag "Suppress" nil))
(choice
(const :tag "text" nil)
(const :tag "Octicons" octicons)
(const :tag "Octicons" github-octicons)
(const :tag "png" png)
(const :tag "gif" gif)
(const :tag "jpeg" jpeg)
@ -136,12 +142,37 @@ the icon."
(member 'sml/pos-id-separator mode-line-format)
(string-match-p "powerline" (prin1-to-string mode-line-format)))))
(defvar mode-icons-font-register-alist nil
"Alist of characters supported.")
(defun mode-icons-supported-font-p (char font &optional dont-register)
"Determine if the CHAR is supported in FONT.
When DONT-REGISTER is non-nil, don't register the font.
Otherwise, under windows 32, emacs register the font for use in
the mode-line."
(when (and (or (integerp char)
(and (stringp char) (= 1 (length char))))
(boundp (intern (format "mode-icons-font-spec-%s" font)))
(symbol-value (intern (format "mode-icons-font-spec-%s" font))))
(if (not (eq system-type 'windows-nt)) 'direct-font
(let* ((char (or (and (integerp char) char)
(and (stringp char) (= 1 (length char))
(aref (vconcat char) 0))))
(found-char-p (assoc char mode-icons-font-register-alist))
(char-font-p (and found-char-p (eq (cdr found-char-p) font))))
(cond
(char-font-p t)
(found-char-p t)
(t ;; not yet registered.
(set-fontset-font t (cons char char) (symbol-value (intern (format "mode-icons-font-spec-%s" font))))
(push (cons char font) mode-icons-font-register-alist)
t))))))
(defun mode-icons-supported-p (icon-spec)
"Determine if ICON-SPEC is suppored on your system."
(or
(and (or (eq (nth 2 icon-spec) nil) (eq (nth 1 icon-spec) nil)) t)
(and (eq (nth 2 icon-spec) 'octicons) mode-icons-octicons-font (not (eq system-type 'windows-nt))
(stringp (nth 1 icon-spec)))
(mode-icons-supported-font-p (nth 1 icon-spec) (nth 2 icon-spec) t)
(and (eq (nth 2 icon-spec) 'jpg) (image-type-available-p 'jpeg))
(and (image-type-available-p (nth 2 icon-spec)))))
@ -150,21 +181,23 @@ the icon."
MODE should be a string, the name of the mode to propertize.
ICON-SPEC should be a specification from `mode-icons'."
(cond
((get-text-property 0 'mode-icons-p mode)
mode)
((not (nth 1 icon-spec))
"")
((and mode-icons-octicons-font (not (eq system-type 'windows-nt))
(stringp (nth 1 icon-spec)) (eq (nth 2 icon-spec) 'octicons))
(propertize mode 'display (nth 1 icon-spec)
'font 'mode-icons-octicons-font
'mode-icons-p t))
((and (stringp (nth 1 icon-spec)) (not (nth 2 icon-spec)))
(propertize mode 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))
'mode-icons-p t))
(t (propertize mode 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))
'mode-icons-p t))))
(let (tmp)
(cond
((get-text-property 0 'mode-icons-p mode)
mode)
((not (nth 1 icon-spec))
"")
((setq tmp (mode-icons-supported-font-p (nth 1 icon-spec) (nth 2 icon-spec)))
(if (eq 'direct-font tmp)
(propertize mode 'display (nth 1 icon-spec)
'font (symbol-value (intern (format "mode-icons-font-%s" font)))
'mode-icons-p t)
(propertize mode 'display (nth 1 icon-spec) 'mode-icons-p t)))
((and (stringp (nth 1 icon-spec)) (not (nth 2 icon-spec)))
(propertize mode 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))
'mode-icons-p t))
(t (propertize mode 'display (mode-icons-get-icon-display (nth 1 icon-spec) (nth 2 icon-spec))
'mode-icons-p t)))))
(defun mode-icons-get-icon-spec (mode)
"Get icon spec for MODE based on regular expression."