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margin-current-line
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Change the name of the file and functions

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Jacopo De Simoi 6 years ago
parent 0ef000bac7
commit 83bc03a4d0
2 changed files with 114 additions and 110 deletions
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  1. 110
      fringe-current-line.el
  2. 114
      margin-current-line.el

110
fringe-current-line.el
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@ -1,110 +0,0 @@
;;; fringe-current-line.el --- show current line on the fringe.
;;
;; Copyright: (C) 2014 Kouhei Yanagita
;;
;; Author: Kouhei Yanagita <yanagi@shakenbu.org>
;; Github: http://github.com/kyanagi/fringe-current-line
;; URL: http://github.com/kyanagi/fringe-current-line/raw/master/fringe-current-line.el
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the MIT License.
;;
;; Permission is hereby granted, free of charge, to any person obtaining
;; a copy of this software and associated documentation files (the
;; "Software"), to deal in the Software without restriction, including
;; without limitation the rights to use, copy, modify, merge, publish,
;; distribute, sublicense, and/or sell copies of the Software, and to
;; permit persons to whom the Software is furnished to do so, subject to
;; the following conditions:
;;
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
;; LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
;; OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
;; WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
;;
;;; Commentary:
;;
;; fringe-current-line is a package to indicate current line on the fringe.
;; You can use by the following steps.
;;
;; 1. Place this file on your load-path.
;;
;; 2. Add the following code into your init file:
;;
;; (require 'fringe-current-line)
;;
;; 3. Activate the mode.
;;
;; * To enable it only in certain buffer, run `M-x fringe-current-line-mode'.
;; Run again and you can disable it.
;;
;; * To enable it globally, add the following into your init file:
;;
;; (global-fringe-current-line-mode 1)
;;
;; You can toggle it by running `M-x global-fringe-current-line-mode'.
;;
;;
;; ## Limitation
;;
;; The indicator is not shown if the cursor is at the end of the buffer and the last line is empty.
;;
;;; Code:
(defvar fcl-fringe-bitmap 'vertical-bar
"Bitmap to indicate current line.")
;;; internal variable
(defvar fcl-fringe-overlay nil
"Hold an overlay for the fringe bitmap.")
(make-variable-buffer-local 'fcl-fringe-overlay)
(defun fcl-display-fringe-bitmap-at-current-line ()
(let ((s "x")
(point (point)))
(fcl-clear-fringe-bitmap)
;; Somehow the cursor disappears at the end of the buffer if the last line is empty.
;; So don't display the bitmap on the fringe in that case.
(unless (and (eobp) (bolp))
(setq fcl-fringe-overlay (make-overlay point (1+ point)))
(put-text-property 0 1 'display (list 'left-fringe fcl-fringe-bitmap) s)
(overlay-put fcl-fringe-overlay 'before-string s))))
(defun fcl-clear-fringe-bitmap ()
(when fcl-fringe-overlay
(delete-overlay fcl-fringe-overlay)
(setq fcl-fringe-overlay nil)))
(defun fringe-current-line-mode-on ()
(add-hook 'pre-command-hook 'fcl-clear-fringe-bitmap)
(add-hook 'post-command-hook 'fcl-display-fringe-bitmap-at-current-line nil t)
)
(defun fringe-current-line-mode-off ()
(fcl-clear-fringe-bitmap)
(remove-hook 'pre-command-hook 'fcl-clear-fringe-bitmap t)
(remove-hook 'post-command-hook 'fcl-display-fringe-bitmap-at-current-line t)
)
(define-minor-mode fringe-current-line-mode
"Indicate current line on the fringe."
:global nil
(if fringe-current-line-mode
(fringe-current-line-mode-on)
(fringe-current-line-mode-off)))
(define-global-minor-mode global-fringe-current-line-mode
fringe-current-line-mode
(lambda ()
(unless (minibufferp)
(fringe-current-line-mode 1))))
(provide 'fringe-current-line)
;;; fringe-current-line.el ends here

114
margin-current-line.el
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@ -0,0 +1,114 @@
;;; margin-current-line.el --- show current line on the margin.
;;
;; Copyright: (C) 2014 Kouhei Yanagita
;;
;; Author: Kouhei Yanagita <yanagi@shakenbu.org>
;; Author: Jacopo De Simoi <wilderkde@gmail.com>
;; Github: http://github.com/wilderjds/margin-current-line
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the MIT License.
;;
;; Permission is hereby granted, free of charge, to any person obtaining
;; a copy of this software and associated documentation files (the
;; "Software"), to deal in the Software without restriction, including
;; without limitation the rights to use, copy, modify, merge, publish,
;; distribute, sublicense, and/or sell copies of the Software, and to
;; permit persons to whom the Software is furnished to do so, subject to
;; the following conditions:
;;
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;;
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
;; LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
;; OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
;; WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
;;
;;; Commentary:
;;
;; margin-current-line is a package to indicate current line on the margin.
;; You can use by the following steps.
;;
;; 1. Place this file on your load-path.
;;
;; 2. Add the following code into your init file:
;;
;; (require 'margin-current-line)
;;
;; 3. Activate the mode.
;;
;; * To enable it only in certain buffer, run `M-x margin-current-line-mode'.
;; Run again and you can disable it.
;;
;; * To enable it globally, add the following into your init file:
;;
;; (global-margin-current-line-mode 1)
;;
;; You can toggle it by running `M-x global-margin-current-line-mode'.
;;
;;
;; ## Limitation
;;
;; The indicator is not shown if the cursor is at the end of the buffer and the last line is empty.
;;
;;; Code:
(defvar fcl-margin-bitmap 'vertical-bar
"Bitmap to indicate current line.")
;;; internal variable
(defvar fcl-margin-overlay nil
"Hold an overlay for the margin bitmap.")
(make-variable-buffer-local 'fcl-margin-overlay)
(defun fcl-display-margin-bitmap-at-current-line ()
(let ((s "x")
(point (point)))
(fcl-clear-margin-bitmap)
;; Somehow the cursor disappears at the end of the buffer if the last line is empty.
;; So don't display the bitmap on the margin in that case.
(unless nil ;(and (eobp) (bolp))
(setq fcl-margin-overlay (make-overlay point (1+ point)))
(overlay-put fcl-margin-overlay 'priority 137)
(put-text-property 0 1 'display `((margin left-margin)
,(propertize "▶" 'face 'default)) s)
;(put-text-property 0 1 'display (list 'left-margin fcl-margin-bitmap) s)
(overlay-put fcl-margin-overlay 'before-string s))))
(defun fcl-clear-margin-bitmap ()
(when fcl-margin-overlay
(delete-overlay fcl-margin-overlay)
(setq fcl-margin-overlay nil)))
(defun margin-current-line-mode-on ()
(add-hook 'pre-command-hook 'fcl-clear-margin-bitmap)
(add-hook 'post-command-hook 'fcl-display-margin-bitmap-at-current-line nil t)
)
(defun margin-current-line-mode-off ()
(fcl-clear-margin-bitmap)
(remove-hook 'pre-command-hook 'fcl-clear-margin-bitmap t)
(remove-hook 'post-command-hook 'fcl-display-margin-bitmap-at-current-line t)
)
(define-minor-mode margin-current-line-mode
"Indicate current line on the margin."
:global nil
(if margin-current-line-mode
(margin-current-line-mode-on)
(margin-current-line-mode-off)))
(define-global-minor-mode global-margin-current-line-mode
margin-current-line-mode
(lambda ()
(unless (minibufferp)
(margin-current-line-mode 1))))
(provide 'margin-current-line)
;;; margin-current-line.el ends here
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