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;;; bind-chord.el --- key-chord binding helper for use-package-chords
;; Copyright (C) 2015-2017 Justin Talbott
;; Author: Justin Talbott <justin@waymondo.com>
;; Keywords: convenience, tools, extensions
;; URL: https://github.com/waymondo/use-package-chords
;; Version: 0.2
;; Package-Requires: ((bind-key "1.0") (key-chord "0.6"))
;; Filename: bind-chord.el
;; License: GNU General Public License version 3, or (at your option) any later version
;;
;;; Commentary:
;;
;;; Code:
(require 'bind-key)
(require 'key-chord nil t)
;;;###autoload
(defmacro bind-chord (chord command &optional keymap)
"Bind CHORD to COMMAND in KEYMAP (`global-map' if not passed)."
(let ((key1 (logand 255 (aref chord 0)))
(key2 (logand 255 (aref chord 1))))
(if (eq key1 key2)
`(bind-key (vector 'key-chord ,key1 ,key2) ,command ,keymap)
`(progn
(bind-key (vector 'key-chord ,key1 ,key2) ,command ,keymap)
(bind-key (vector 'key-chord ,key2 ,key1) ,command ,keymap)))))
;;;###autoload
(defmacro bind-chords (&rest args)
"Bind multiple chords at once.
Accepts keyword argument:
:map - a keymap into which the keybindings should be added
The rest of the arguments are conses of keybinding string and a
function symbol (unquoted)."
(let* ((map (plist-get args :map))
(maps (if (listp map) map (list map)))
(key-bindings (progn
(while (keywordp (car args))
(pop args)
(pop args))
args)))
(macroexp-progn
(apply
#'nconc
(mapcar (lambda (form)
(if maps
(mapcar
#'(lambda (m)
`(bind-chord ,(car form) ',(cdr form) ,m)) maps)
`((bind-chord ,(car form) ',(cdr form)))))
key-bindings)))))
(provide 'bind-chord)
;;; bind-chord.el ends here
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