Variable: mouse-wheel-scroll-amount-horizontal

mouse-wheel-scroll-amount-horizontal is a customizable variable defined in mwheel.el.gz.

Value

1

Documentation

Amount to scroll windows horizontally.

Its value can be changed dynamically by using a numeric prefix argument before starting horizontal scrolling. It has effect when mouse-wheel-scroll-amount binds the value hscroll to one of modifiers (Shift by default).

This variable was added, or its default value changed, in Emacs 28.1.

Probably introduced at or before Emacs version 28.1.

Source Code

;; Defined in /usr/src/emacs/lisp/mwheel.el.gz
(defcustom mouse-wheel-scroll-amount-horizontal 1
  "Amount to scroll windows horizontally.
Its value can be changed dynamically by using a numeric prefix argument
before starting horizontal scrolling.
It has effect when `mouse-wheel-scroll-amount' binds the value `hscroll'
to one of modifiers (`Shift' by default)."
  :group 'mouse
  :type 'number
  :version "28.1")