my-emacs-d/elpa/mc-extras-20150218.234/mc-remove.el
2016-09-26 19:37:47 +02:00

83 lines
3.1 KiB
EmacsLisp

;;; mc-remove.el --- Functions to remove cursors in multiple-cursors mode.
;; Copyright (c) 2013-2015 Akinori MUSHA
;;
;; All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;;
;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
;; ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
;; FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
;; DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
;; OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
;; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
;; LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
;; OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
;; SUCH DAMAGE.
;; Author: Akinori MUSHA <knu@iDaemons.org>
;; URL: https://github.com/knu/mc-extras.el
;; Created: 12 Jul 2013
;; Package-Requires: ((multiple-cursors "1.2.1"))
;; Keywords: editing, cursors
;;; Commentary:
;;
;; This library contains functions to remove cursors in
;; multiple-cursors mode.
;;
;; Suggested key bindings are as follows:
;;
;; (define-key mc/keymap (kbd "C-. C-d") 'mc/remove-current-cursor)
;; (define-key mc/keymap (kbd "C-. d") 'mc/remove-duplicated-cursors)
;;; Code:
(require 'cl)
(require 'multiple-cursors-core)
;;;###autoload
(defun mc/remove-current-cursor ()
"Remove the current cursor by replacing the next fake cursor with the real cursor."
(interactive)
(let ((next-cursor
(or (mc/next-fake-cursor-after-point)
(mc/prev-fake-cursor-before-point)
(error "This is the only cursor."))))
(mapc 'mc/remove-fake-cursor
(remove-if-not 'mc/fake-cursor-p
(overlays-at (point))))
(mc/pop-state-from-overlay next-cursor)))
(add-to-list 'mc--default-cmds-to-run-once 'mc/remove-current-cursor)
;;;###autoload
(defun mc/remove-duplicated-cursors ()
"Remove duplicated fake cursors, including ones that overlap the real cursor."
(interactive)
(mapc 'mc/remove-fake-cursor
(loop with seen = (list (point))
for cursor in (mc/all-fake-cursors)
for start = (overlay-start cursor)
append
(if (loop for pos in seen thereis (= pos start))
(list cursor)
(setq seen (cons start seen))
nil))))
(add-to-list 'mc--default-cmds-to-run-once 'mc/remove-duplicated-cursors)
(provide 'mc-remove)
;;; mc-remove.el ends here