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Remove buggy non-native image scrolling

This never worked, and could cause infinite recursion.
Problem reported by Glenn Morris (Bug#22465).
* lisp/xwidget.el (xwidget-webkit-scroll-behavior): Remove.
All uses removed.
This commit is contained in:
Paul Eggert 2016-05-13 09:51:32 -07:00
parent 9c2a1a264c
commit edae7d93ed

View File

@ -34,13 +34,6 @@
(require 'cl-lib)
(require 'bookmark)
(defcustom xwidget-webkit-scroll-behavior 'native
"Scrolling behavior of the webkit instance.
The possible values are: `native' or `image'."
:version "25.1"
:group 'frames ; TODO add xwidgets group if more options are added
:type '(choice (const native) (const image)))
(declare-function make-xwidget "xwidget.c"
(type title width height arguments &optional buffer))
(declare-function xwidget-set-adjustment "xwidget.c"
@ -141,40 +134,24 @@ Interactively, URL defaults to the string looking like a url around point."
"Keymap for `xwidget-webkit-mode'.")
(defun xwidget-webkit-scroll-up ()
"Scroll webkit up.
Depending on the value of `xwidget-webkit-scroll-behavior',
this scrolls in `native' fashion, or like `image-mode' would."
"Scroll webkit up."
(interactive)
(if (eq xwidget-webkit-scroll-behavior 'native)
(xwidget-set-adjustment (xwidget-webkit-last-session) 'vertical t 50)
(image-scroll-up)))
(xwidget-set-adjustment (xwidget-webkit-last-session) 'vertical t 50))
(defun xwidget-webkit-scroll-down ()
"Scroll webkit down.
Depending on the value of `xwidget-webkit-scroll-behavior',
this scrolls in `native' fashion, or like `image-mode' would."
"Scroll webkit down."
(interactive)
(if (eq xwidget-webkit-scroll-behavior 'native)
(xwidget-set-adjustment (xwidget-webkit-last-session) 'vertical t -50)
(image-scroll-down)))
(xwidget-set-adjustment (xwidget-webkit-last-session) 'vertical t -50))
(defun xwidget-webkit-scroll-forward ()
"Scroll webkit forwards.
Depending on the value of `xwidget-webkit-scroll-behavior',
this scrolls in `native' fashion, or like `image-mode' would."
"Scroll webkit forwards."
(interactive)
(if (eq xwidget-webkit-scroll-behavior 'native)
(xwidget-set-adjustment (xwidget-webkit-last-session) 'horizontal t 50)
(xwidget-webkit-scroll-forward))) ; FIXME infloop!
(xwidget-set-adjustment (xwidget-webkit-last-session) 'horizontal t 50))
(defun xwidget-webkit-scroll-backward ()
"Scroll webkit backwards.
Depending on the value of `xwidget-webkit-scroll-behavior',
this scrolls in `native' fashion, or like `image-mode' would."
"Scroll webkit backwards."
(interactive)
(if (eq xwidget-webkit-scroll-behavior 'native)
(xwidget-set-adjustment (xwidget-webkit-last-session) 'horizontal t -50)
(xwidget-webkit-scroll-backward))) ; FIXME infloop!
(xwidget-set-adjustment (xwidget-webkit-last-session) 'horizontal t -50))
;; The xwidget event needs to go into a higher level handler
@ -417,9 +394,7 @@ For example, use this to display an anchor."
(defun xwidget-webkit-adjust-size-dispatch ()
"Adjust size according to mode."
(interactive)
(if (eq xwidget-webkit-scroll-behavior 'native)
(xwidget-webkit-adjust-size-to-window)
(xwidget-webkit-adjust-size-to-content))
(xwidget-webkit-adjust-size-to-window)
;; The recenter is intended to correct a visual glitch.
;; It errors out if the buffer isn't visible, but then we don't get
;; the glitch, so silence errors.