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spacemacs/core/core-fonts-support.el
2016-01-11 21:42:17 -05:00

100 lines
4.1 KiB
EmacsLisp

;;; core-fonts-support.el --- Spacemacs Core File
;;
;; Copyright (c) 2012-2016 Sylvain Benner & Contributors
;;
;; Author: Sylvain Benner <sylvain.benner@gmail.com>
;; URL: https://github.com/syl20bnr/spacemacs
;;
;; This file is not part of GNU Emacs.
;;
;;; License: GPLv3
(require 'core-funcs)
(require 'core-spacemacs-buffer)
(defvar spacemacs--diminished-minor-modes nil
"List of diminished modes to unicode or ascii values.")
(defun spacemacs/set-default-font (plist)
"Set the font given the passed PLIST.
PLIST has the form (\"fontname\" :prop1 val1 :prop2 val2 ...)"
(let* ((font (car plist))
(props (cdr plist))
(scale (plist-get props :powerline-scale))
(font-props (spacemacs/mplist-remove
(spacemacs/mplist-remove props :powerline-scale)
:powerline-offset))
(fontspec (apply 'font-spec :name font font-props)))
(spacemacs-buffer/message "Setting font \"%s\"..." font)
(set-frame-font fontspec nil t)
(setq-default powerline-scale scale)
(setq-default powerline-height (spacemacs/compute-powerline-height))
;; fallback font for unicode characters used in spacemacs
(pcase system-type
(`gnu/linux
(setq fallback-font-name "NanumGothic")
(setq fallback-font-name2 "NanumGothic"))
(`darwin
(setq fallback-font-name "Arial Unicode MS")
(setq fallback-font-name2 "Arial Unicode MS"))
(`windows-nt
(setq fallback-font-name "MS Gothic")
(setq fallback-font-name2 "Lucida Sans Unicode"))
(`cygwin
(setq fallback-font-name "MS Gothic")
(setq fallback-font-name2 "Lucida Sans Unicode"))
(other
(setq fallback-font-name nil)
(setq fallback-font-name2 nil)))
(when (and fallback-font-name fallback-font-name2)
;; remove any size or height properties in order to be able to
;; scale the fallback fonts with the default one (for zoom-in/out
;; for instance)
(let* ((fallback-props (spacemacs/mplist-remove
(spacemacs/mplist-remove font-props :size)
:height))
(fallback-spec (apply 'font-spec
:name fallback-font-name
fallback-props))
(fallback-spec2 (apply 'font-spec
:name fallback-font-name2
fallback-props)))
;; window numbers
(set-fontset-font "fontset-default"
'(#x2776 . #x2793) fallback-spec nil 'prepend)
;; mode-line circled letters
(set-fontset-font "fontset-default"
'(#x24b6 . #x24fe) fallback-spec nil 'prepend)
;; mode-line additional characters
(set-fontset-font "fontset-default"
'(#x2295 . #x22a1) fallback-spec nil 'prepend)
;; new version lighter
(set-fontset-font "fontset-default"
'(#x2190 . #x2200) fallback-spec2 nil 'prepend)))
))
(defun spacemacs/compute-powerline-height ()
"Return an adjusted powerline height."
(let ((scale (if (and (boundp 'powerline-scale) powerline-scale)
powerline-scale 1)))
(truncate (* scale (frame-char-height)))))
(defun spacemacs/set-font (&rest args)
"Deprecated function, display a warning message."
(spacemacs-buffer/warning (concat "spacemacs/set-font is deprecated. "
"Use the variable `dotspacemacs-default-font' "
"instead (see Font section in "
"~/.emacs.d/doc/DOCUMENTATION.org for more "
"info).")))
(defmacro spacemacs|diminish (mode unicode &optional ascii)
"Diminish MODE name in mode line to UNICODE or ASCII depending on the value
`dotspacemacs-mode-line-unicode-symbols'.
If ASCII si not provided then UNICODE is used instead."
`(add-to-list 'spacemacs--diminished-minor-modes '(,mode ,unicode ,ascii)))
(defmacro spacemacs|hide-lighter (mode)
"Diminish MODE name in mode line to LIGHTER."
`(eval-after-load 'diminish '(diminish ',mode)))
(provide 'core-fonts-support)