Function: xwidget-webkit-scroll-backward

xwidget-webkit-scroll-backward is an interactive and byte-compiled function defined in xwidget.el.gz.

Signature

(xwidget-webkit-scroll-backward &optional N)

Documentation

Scroll webkit back by N chars.

If the widget is larger than the window, hscroll backwards by N columns instead. The width of char is calculated with window-font-width. If N is omitted or nil, scroll backwards by one char.

Probably introduced at or before Emacs version 25.1.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/xwidget.el.gz
(defun xwidget-webkit-scroll-backward (&optional n)
  "Scroll webkit back by N chars.
If the widget is larger than the window, hscroll backwards by N
columns instead.  The width of char is calculated with
`window-font-width'.  If N is omitted or nil, scroll backwards by
one char."
  (interactive "p" xwidget-webkit-mode)
  (let ((session (xwidget-webkit-current-session)))
    (if (and (> (- (aref (xwidget-info session) 2)
                   (window-text-width nil t))
                (window-font-width))
             (> (window-hscroll) 0))
        (set-window-hscroll nil (- (window-hscroll) n))
      (xwidget-webkit-execute-script session
                                     (format "window.scrollBy(-%d, 0);"
                                             (* n (window-font-width)))))))