Function: redisplay--update-region-highlight

redisplay--update-region-highlight is a byte-compiled function defined in simple.el.gz.

Signature

(redisplay--update-region-highlight WINDOW)

Source Code

;; Defined in /usr/src/emacs/lisp/simple.el.gz
(defun redisplay--update-region-highlight (window)
  (let ((rol (window-parameter window 'internal-region-overlay)))
    (if (not (and (region-active-p)
                  (or highlight-nonselected-windows
                      (eq window (selected-window))
                      (and (window-minibuffer-p)
                           (eq window (minibuffer-selected-window))))))
        (funcall redisplay-unhighlight-region-function rol)
      (let* ((pt (window-point window))
             (mark (mark))
             (start (min pt mark))
             (end   (max pt mark))
             (new
              (funcall redisplay-highlight-region-function
                       start end window rol)))
        (unless (equal new rol)
          (set-window-parameter window 'internal-region-overlay
                                new))))))