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