49 lines
2.1 KiB
EmacsLisp
49 lines
2.1 KiB
EmacsLisp
;http://www.emacswiki.org/emacs/MilesBader
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;;; ----------------------------------------------------------------
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;;; list-fonts-display, Miles Bader <miles@gnu.org>
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(defun list-fonts-display (&optional matching)
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"Display a list of font-families available via font-config, in a new buffer.
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If the optional argument MATCHING is non-nil, only font families
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matching that regexp are displayed; interactively, a prefix
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argument will prompt for the regexp.
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The name of each font family is displayed using that family, as
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well as in the default font (to handle the case where a font
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cannot be used to display its own name)."
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(interactive
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(list
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(and current-prefix-arg
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(read-string "Display font families matching regexp: "))))
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(let (families)
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(with-temp-buffer
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(shell-command "fc-list : family" t)
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(goto-char (point-min))
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(while (not (eobp))
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(let ((fam (buffer-substring (line-beginning-position)
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(line-end-position))))
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(when (or (null matching) (string-match matching fam))
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(push fam families)))
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(forward-line)))
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(setq families
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(sort families
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(lambda (x y) (string-lessp (downcase x) (downcase y)))))
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(let ((buf (get-buffer-create "*Font Families*")))
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(with-current-buffer buf
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(erase-buffer)
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(dolist (family families)
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;; We need to pick one of the comma-separated names to
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;; actually use the font; choose the longest one because some
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;; fonts have ambiguous general names as well as specific
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;; ones.
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(let ((family-name
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(car (sort (split-string family ",")
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(lambda (x y) (> (length x) (length y))))))
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(nice-family (replace-regexp-in-string "," ", " family)))
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(insert (concat (propertize nice-family
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'face (list :family family-name))
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" (" nice-family ")"))
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(newline)))
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(goto-char (point-min)))
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(display-buffer buf))))
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