No puede seleccionar más de 25 temas
Los temas deben comenzar con una letra o número, pueden incluir guiones ('-') y pueden tener hasta 35 caracteres de largo.
107 líneas
3.9 KiB
107 líneas
3.9 KiB
;;; mc-hide-unmatched-lines.el
|
|
|
|
;; Copyright (C) 2014 Aleksey Fedotov
|
|
|
|
;; Author: Aleksey Fedotov <lexa@cfotr.com>
|
|
;; Keywords: editing cursors
|
|
|
|
;; 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:
|
|
|
|
;; This minor mode when enabled hides all lines where no cursors (and
|
|
;; also hum/lines-to-expand below and above) To make use of this mode
|
|
;; press "C-'" while multiple-cursor-mode is active. You can still
|
|
;; edit lines while you are in mc-hide-unmatched-lines mode. To leave
|
|
;; this mode press "<return>" or "C-g"
|
|
;;
|
|
|
|
;;; Code:
|
|
|
|
(require 'multiple-cursors-core)
|
|
(require 'mc-mark-more)
|
|
|
|
(defvar hum/hide-unmatched-lines-mode-map (make-sparse-keymap)
|
|
"Keymap for hide unmatched lines is mainly for rebinding C-g")
|
|
|
|
(define-key hum/hide-unmatched-lines-mode-map (kbd "C-g") 'hum/keyboard-quit)
|
|
(define-key hum/hide-unmatched-lines-mode-map (kbd "<return>") 'hum/keyboard-quit)
|
|
|
|
(defun hum/keyboard-quit ()
|
|
"Leave hide-unmatched-lines mode"
|
|
(interactive)
|
|
(mc-hide-unmatched-lines-mode 0))
|
|
|
|
;; used only in in multiple-cursors-mode-disabled-hook
|
|
(defun hum/disable-hum-mode ()
|
|
(mc-hide-unmatched-lines-mode 0))
|
|
|
|
;;;###autoload
|
|
(define-minor-mode mc-hide-unmatched-lines-mode
|
|
"Minor mode when enabled hides all lines where no cursors (and
|
|
also hum/lines-to-expand below and above) To make use of this
|
|
mode press \"C-'\" while multiple-cursor-mode is active. You can
|
|
still edit lines while you are in mc-hide-unmatched-lines
|
|
mode. To leave this mode press <return> or \"C-g\""
|
|
nil " hu"
|
|
hum/hide-unmatched-lines-mode-map
|
|
(if mc-hide-unmatched-lines-mode
|
|
;;just in case if mc mode will be disabled while hide-unmatched-lines is active
|
|
(progn
|
|
(hum/hide-unmatched-lines)
|
|
(add-hook 'multiple-cursors-mode-disabled-hook 'hum/disable-hum-mode t t))
|
|
(progn
|
|
(hum/unhide-unmatched-lines)
|
|
(remove-hook 'multiple-cursors-mode-disabled-hook 'hum/disable-hum-mode))))
|
|
|
|
(defconst hum/invisible-overlay-name 'hum/invisible-overlay-name)
|
|
|
|
(defcustom hum/lines-to-expand 2
|
|
"How many lines below and above cursor to show"
|
|
:type '(integer)
|
|
:group 'multiple-cursors)
|
|
|
|
(defcustom hum/placeholder "..."
|
|
"Placeholder which will be placed insted of hiden text"
|
|
:type '(string)
|
|
:group 'multiple-cursors)
|
|
|
|
(defun hum/add-invisible-overlay (begin end)
|
|
(let ((overlay (make-overlay begin
|
|
end
|
|
(current-buffer)
|
|
t
|
|
nil
|
|
)))
|
|
(overlay-put overlay hum/invisible-overlay-name t)
|
|
(overlay-put overlay 'invisible t)
|
|
(overlay-put overlay 'intangible t)
|
|
(overlay-put overlay 'evaporate t)
|
|
(overlay-put overlay 'after-string hum/placeholder)))
|
|
|
|
(defun hum/hide-unmatched-lines ()
|
|
(let ((begin (point-min)))
|
|
(mc/for-each-cursor-ordered
|
|
(save-excursion
|
|
(goto-char (mc/cursor-beg cursor))
|
|
(if (< begin (line-beginning-position (- hum/lines-to-expand)))
|
|
(hum/add-invisible-overlay begin (line-end-position (- hum/lines-to-expand))))
|
|
(setq begin (line-beginning-position (+ 2 hum/lines-to-expand)))))
|
|
(hum/add-invisible-overlay begin (point-max))))
|
|
|
|
(defun hum/unhide-unmatched-lines ()
|
|
(remove-overlays nil nil hum/invisible-overlay-name t))
|
|
|
|
(provide 'mc-hide-unmatched-lines-mode)
|
|
(define-key mc/keymap (kbd "C-'") 'mc-hide-unmatched-lines-mode)
|