63 lines
2 KiB
EmacsLisp
63 lines
2 KiB
EmacsLisp
;;; oni-shr.el --- Shr configuration -*- lexical-binding: t; -*-
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;; Copyright (C) 2019 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: local
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;; Version: 2020.0328.023508
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Shr configuration.
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;;; Code:
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(require 'shr)
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(defun oni-shr--colorize-remove-last-arg (args)
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"If ARGS has more than 3 items, remove the last one."
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(if (> (length args) 3)
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(butlast args)
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args))
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(defun shr-tag-code (dom)
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"Render a <code> tag from DOM."
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(let ((shr-current-font 'default)
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(start (point)))
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(shr-generic dom)
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(add-face-text-property start (point) '(:background "#222222" :box (:line-width 3 :color "#222222")))))
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(defun oni-shr--recolorize (orig-fun &rest args)
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"Do some custom colorization.
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This should be used with ‘add-function’ with the ‘:around’
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combinator. ORIG-FUN is the original function being wrapped, ARGS
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are the arguments passed in to it."
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(let ((start (point)))
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(apply orig-fun args)
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(save-excursion
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(forward-line -1)
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(string-rectangle start (point) " "))
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(add-face-text-property start (point) '(:background "#222222"))))
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(advice-add #'shr-colorize-region
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:filter-args #'oni-shr--colorize-remove-last-arg)
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(add-function :around (symbol-function 'shr-tag-pre) #'oni-shr--recolorize)
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;;;###autoload(with-eval-after-load 'shr (require 'oni-shr))
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(provide 'oni-shr)
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;;; oni-shr.el ends here
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