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Made custom search functions that saves excursion

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Lars Tveito 2015-05-12 00:57:31 +02:00
parent 02cec3494d
commit 6040c744cc
1 changed files with 10 additions and 6 deletions
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14
focus-mode.el
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@ -1,6 +1,12 @@
(defvar-local focus-pre-overlay nil)
(defvar-local focus-post-overlay nil)
(defun focus-search-backward (regex)
(save-excursion (re-search-backward regex nil t)))
(defun focus-search-forward (regex)
(save-excursion (re-search-forward regex nil t)))
(defun focus-hexstr-to-int (str)
(read (concat "#x" (substring str 1))))
@ -10,12 +16,10 @@
(format "#%X" avg)))
(defun focus-move-focus ()
(save-excursion
(let* ((pre (or (re-search-backward "^\n" nil t) 1))
(post (1- (or (re-search-forward "^\n" nil t 2)
(1+ (point-max))))))
(let* ((pre (or (focus-search-backward "^\n") (point-min)))
(post (or (focus-search-forward "^\n") (point-max))))
(move-overlay focus-pre-overlay (point-min) pre)
(move-overlay focus-post-overlay post (point-max)))))
(move-overlay focus-post-overlay post (point-max))))
;;;###autoload
(define-minor-mode focus-mode