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;;; sx-button.el --- Defining buttons used throughout SX.
;; Copyright (C) 2014 Artur Malabarba
;; Author: Artur Malabarba <bruce.connor.am@gmail.com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'button)
(require 'sx)
(require 'sx-question)
;;; Command definitions
(defvar sx-button-keymap
(let ((map (copy-keymap button-map)))
(define-key map "w" #'sx-button-copy))
"Keymap used on buttons.
This extends `button-map', which already defines RET and
mouse-1.")
(defun sx-button-copy ()
"Copy the content of thing at point.
This is usually a link's URL, or the content of a code block."
(interactive)
(let ((content
(get-text-property
(point) 'sx-button-copy-content)))
(if content
(kill-new content)
(sx-message "Nothing to copy here."))))
(defun sx-button-follow-link (&optional pos)
"Follow link at POS. If POS is nil, use `point'."
(interactive)
(browse-url
(or (get-text-property (or pos (point)) 'sx-button-url)
(user-error "No url under point: %s" (or pos (point))))))
;;; Type definitions
(define-button-type 'sx-button
'follow-link t
'keymap 'sx-button-map)
(define-button-type 'sx-question-mode-title
'face 'sx-question-mode-title
'action #'sx-question-mode-hide-show-section
'help-echo 'sx-question-mode--section-help-echo
:supertype 'sx-button)
(define-button-type 'sx-button-link
'action #'sx-button-follow-link
:supertype 'sx-button)
(provide 'sx-button)
;;; sx-button.el ends here
;; Local Variables:
;; lexical-binding: t
;; End:
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