I am editing a large file. I would like the current line where the cursor is at to be always in the middle of the screen. Is this possible?

  • 1
    Not exactly what you asked for, but maybe you don't know about this: you can use C-l to manually recenter. – paprika Nov 18 '14 at 10:46
  • 2
    M-x scroll-lock-mode – Nsukami _ Nov 18 '14 at 10:47

There is a mode for that: centered-cursor-mode. It can be installed from MELPA.

It does not play well with a couple of modes, so this is my configuration:

;; keep the cursor centered to avoid sudden scroll jumps
(require 'centered-cursor-mode)

;; disable in terminal modes
;; http://stackoverflow.com/a/6849467/519736
;; also disable in Info mode, because it breaks going back with the backspace key
(define-global-minor-mode my-global-centered-cursor-mode centered-cursor-mode
  (lambda ()
    (when (not (memq major-mode
                     (list 'Info-mode 'term-mode 'eshell-mode 'shell-mode 'erc-mode)))
(my-global-centered-cursor-mode 1)

As @Nsukami mentioned, an alternative is the built-in scroll-lock-mode.

| improve this answer | |
  • Thank you for your solution. I applied your solution, but when I move by arrows, the position of current line changes and it is no more at the middle of screen. – Name Nov 18 '14 at 10:52
  • Oh, I think I misunderstood your question then. centered-cursor-mode will keep the current line in the centre. When you move the cursor to another line, that line will be in the centre. – rekado Nov 18 '14 at 11:07
  • @Name: do you want to disable scrolling completely so that no matter where the cursor is (even hundreds of lines away) the selected line remains in the middle of the screen? – rekado Nov 18 '14 at 11:10
  • @redako yes exactly, I would like the selected line always remains in the middle of the screen. – Name Nov 18 '14 at 11:23
  • 1
    @Name: disabling vertical scrolling altogether is rather extreme. Would it not be acceptable to split the window in two (C-x 2) and scroll in one window while keeping the selected line in the other? – rekado Nov 18 '14 at 11:28

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