Optimize nlinum config

This commit is contained in:
Henrik Lissner 2015-12-09 01:59:50 -05:00
parent 74a398de5e
commit 32112605fa

View file

@ -179,20 +179,22 @@
(defun narf|nlinum-unhl-line ()
"Unhighlight line number"
(when narf--hl-nlinum-overlay
(let* ((ov narf--hl-nlinum-overlay)
(disp (get-text-property 0 'display (overlay-get ov 'before-string)))
(let* ((disp (get-text-property
0 'display (overlay-get narf--hl-nlinum-overlay 'before-string)))
(str (nth 1 disp)))
(put-text-property 0 (length str) 'face 'linum str)
(setq narf--hl-nlinum-overlay nil
narf--hl-nlinum-line nil))))
narf--hl-nlinum-line nil)
disp)))
(defun narf|nlinum-hl-line (&optional line)
"Highlight line number"
(let ((line-no (or line (string-to-number (format-mode-line "%l")))))
(when (and nlinum-mode (not (eq line-no narf--hl-nlinum-line)))
(let* ((pbol (if line (save-excursion (goto-char (point-min))
(forward-line line-no)
(point-at-bol))
(let* ((pbol (if line
(save-excursion (goto-char (point-min))
(forward-line line-no)
(line-beginning-position))
(line-beginning-position)))
(peol (1+ pbol)))
;; Handle EOF case
@ -200,8 +202,7 @@
(when (>= peol max)
(setq peol max)))
(jit-lock-fontify-now pbol peol)
(let* ((overlays (overlays-in pbol peol))
(ov (-first (lambda (item) (overlay-get item 'nlinum)) overlays)))
(let ((ov (-first (lambda (item) (overlay-get item 'nlinum)) (overlays-in pbol peol))))
(when ov
(narf|nlinum-unhl-line)
(let ((str (nth 1 (get-text-property 0 'display (overlay-get ov 'before-string)))))
@ -211,7 +212,8 @@
(add-hook! nlinum-mode
(setq nlinum--width
(length (int-to-string (count-lines (point-min) (point-max)))))))
(length (save-excursion (goto-char (point-max))
(format-mode-line "%l"))))))
;; Mode-line ;;;;;;;;;;;;;;;;;;;;;;;;;;;