86 lines
3.4 KiB
EmacsLisp
86 lines
3.4 KiB
EmacsLisp
;;; mc-rect.el --- Make multiple-cursors interact with rectangle selection.
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;; Copyright (c) 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: 22 Jan 2015
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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 make multiple-cursors interact
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;; with rectangle selection.
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;;
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;; Suggested key bindings are as follows:
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;;
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;; (define-key rectangle-mark-mode-map (kbd "C-. C-,") 'mc/rect-rectangle-to-multiple-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/rect-rectangle-to-multiple-cursors (start end)
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"Turn rectangle-mark-mode into multiple-cursors mode, keeping selections."
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(interactive "*r")
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(let* ((current-line (line-beginning-position))
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(reversed (= (current-column)
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(min
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(save-excursion
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(goto-char end)
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(current-column))
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(save-excursion
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(goto-char start)
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(current-column)))))
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(mark-row `(lambda (startcol endcol)
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(let ((markcol ,(if reversed 'endcol 'startcol))
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(pointcol ,(if reversed 'startcol 'endcol)))
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(move-to-column markcol)
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(push-mark (point))
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(move-to-column pointcol)
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(setq transient-mark-mode (cons 'only transient-mark-mode))
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(activate-mark)
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(setq deactivate-mark nil)))))
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(apply-on-rectangle
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'(lambda (startcol endcol)
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(if (= (point) current-line)
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(funcall mark-row startcol endcol)
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(mc/save-excursion
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(funcall mark-row startcol endcol)
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(mc/create-fake-cursor-at-point))))
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start end)
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(mc/maybe-multiple-cursors-mode)))
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(add-to-list 'mc--default-cmds-to-run-once 'mc/rect-rectangle-to-multiple-cursors)
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(provide 'mc-rect)
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;;; mc-rect.el ends here
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