464bd697ef
In a terminal, when a modes mode line name is diminished, to two characters, and the first one is a unicode character, then the second character overlaps the right side of the first character.
133 lines
5.9 KiB
EmacsLisp
133 lines
5.9 KiB
EmacsLisp
;;; core-fonts-support.el --- Spacemacs Core File
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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(require 'core-funcs)
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(require 'core-spacemacs-buffer)
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(defvar spacemacs--diminished-minor-modes nil
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"List of diminished modes to unicode or ascii values.")
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(defun spacemacs/set-default-font (plists)
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"Set the font given the passed PLISTS.
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PLISTS has either the form (\"fontname\" :prop1 val1 :prop2 val2 ...)
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or is a list of such. The first font that can be found will be used.
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The return value is nil if no font was found, truthy otherwise."
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(unless (listp (car plists))
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(setq plists (list plists)))
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(catch 'break
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(dolist (plist plists)
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(when (find-font (font-spec :name (car plist)))
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(let* ((font (car plist))
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(props (cdr plist))
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(font-props (spacemacs/mplist-remove
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;; although this keyword does not exist anymore
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;; we keep it for backward compatibility
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(spacemacs/mplist-remove props :powerline-scale)
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:powerline-offset))
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(fontspec (apply 'font-spec :name font font-props)))
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(spacemacs-buffer/message "Setting font \"%s\"..." font)
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(set-frame-font fontspec nil t)
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(push `(font . ,(frame-parameter nil 'font)) default-frame-alist)
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;; fallback font for unicode characters used in spacemacs
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(pcase system-type
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(`gnu/linux
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(setq fallback-font-name "NanumGothic")
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(setq fallback-font-name2 "NanumGothic"))
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(`darwin
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(setq fallback-font-name "Arial Unicode MS")
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(setq fallback-font-name2 "Arial Unicode MS"))
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(`windows-nt
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(setq fallback-font-name "MS Gothic")
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(setq fallback-font-name2 "Lucida Sans Unicode"))
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(`cygwin
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(setq fallback-font-name "MS Gothic")
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(setq fallback-font-name2 "Lucida Sans Unicode"))
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(other
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(setq fallback-font-name nil)
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(setq fallback-font-name2 nil)))
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(when (and fallback-font-name fallback-font-name2)
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;; remove any size or height properties in order to be able to
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;; scale the fallback fonts with the default one (for zoom-in/out
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;; for instance)
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(let* ((fallback-props (spacemacs/mplist-remove
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(spacemacs/mplist-remove font-props :size)
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:height))
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(fallback-spec (apply 'font-spec
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:name fallback-font-name
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fallback-props))
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(fallback-spec2 (apply 'font-spec
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:name fallback-font-name2
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fallback-props)))
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;; window numbers
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(set-fontset-font "fontset-default"
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'(#x2776 . #x2793) fallback-spec nil 'prepend)
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;; mode-line circled letters
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(set-fontset-font "fontset-default"
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'(#x24b6 . #x24fe) fallback-spec nil 'prepend)
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;; mode-line additional characters
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(set-fontset-font "fontset-default"
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'(#x2295 . #x22a1) fallback-spec nil 'prepend)
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;; new version lighter
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(set-fontset-font "fontset-default"
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'(#x2190 . #x2200) fallback-spec2 nil 'prepend))))
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(throw 'break t)))
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nil))
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(defun spacemacs/compute-mode-line-height ()
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"Return an adjusted mode-line height."
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(let ((scale (if (and (boundp 'powerline-scale) powerline-scale)
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powerline-scale 1)))
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(truncate (* scale (frame-char-height)))))
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(defun spacemacs/set-font (&rest args)
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"Deprecated function, display a warning message."
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(spacemacs-buffer/warning (concat "spacemacs/set-font is deprecated. "
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"Use the variable `dotspacemacs-default-font' "
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"instead (see Font section in "
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"~/.emacs.d/doc/DOCUMENTATION.org for more "
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"info).")))
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(defmacro spacemacs|diminish (mode &optional unicode ascii)
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"Diminish MODE name in mode line to UNICODE or ASCII depending on the value
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`dotspacemacs-mode-line-unicode-symbols'.
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If ASCII is not provided then UNICODE is used instead. If neither are provided,
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the mode will not show in the mode line."
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(when (and unicode
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(not (display-graphic-p)) ; terminal
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;; the new indicator is 3 chars (including the space), ex: " Ⓔh"
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(= (length unicode) 3))
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(setq unicode (spacemacs/terminal-fix-mode-line-indicator-overlap unicode)))
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`(let ((cell (assq ',mode spacemacs--diminished-minor-modes)))
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(if cell
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(setcdr cell '(,unicode ,ascii))
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(push '(,mode ,unicode ,ascii) spacemacs--diminished-minor-modes))))
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(defun spacemacs/diminish-undo (mode)
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"Restore the diminished lighter."
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(interactive
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(list (read (completing-read
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"Restore what diminished mode: "
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(cons (list "diminished-modes")
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(mapcar (lambda (x) (list (symbol-name (car x))))
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diminished-mode-alist))
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nil t nil 'diminish-history-symbols))))
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;; remove the `mode' entry from spacemacs own list
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(setq spacemacs--diminished-minor-modes
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(delq nil (mapcar (lambda (x) (unless (eq (car x) mode) x))
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spacemacs--diminished-minor-modes)))
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(diminish-undo mode))
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(defmacro spacemacs|hide-lighter (mode)
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"Diminish MODE name in mode line to LIGHTER."
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`(eval-after-load 'diminish '(diminish ',mode)))
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(provide 'core-fonts-support)
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