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Re: mouse-wheel-scroll

From: Richard Copley
Subject: Re: mouse-wheel-scroll
Date: Fri, 31 Mar 2017 20:02:25 +0100

Hi Eli,
On MS Windows, one WM_MOUSEWHEEL event doesn't always mean the same
as another. Programs need to examine the wParam to find the scroll
distance. As far as I can tell Emacs doesn't do that. This might
(possibly) explain Kunihiro's results, if what Raymond Chen calls a
"sub-detent mouse" was involved. (See "Scrollbars bart [sic] 6 – The wheel",

I can't verify that with my hardware. For me Emacs scrolls 5 lines
per click.

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