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From: Eli Zaretskii <eliz@gnu.org>
To: Richard Copley <rcopley@gmail.com>
Cc: emacs-devel@gnu.org, dmoncayo@gmail.com
Subject: Re: mouse-wheel-scroll
Date: Sat, 01 Apr 2017 17:29:32 +0300	[thread overview]
Message-ID: <83shls42wj.fsf@gnu.org> (raw)
In-Reply-To: <CAPM58og2ocqzXMyAgMpwuyiAxzOmr-imRvyD8MH5buzEzhbR1Q@mail.gmail.com> (message from Richard Copley on Fri, 31 Mar 2017 20:02:25 +0100)

> From: Richard Copley <rcopley@gmail.com>
> Date: Fri, 31 Mar 2017 20:02:25 +0100
> Cc: Dani Moncayo <dmoncayo@gmail.com>, Emacs Development <emacs-devel@gnu.org>
> 
> 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.

Not sure what you mean by "examine wParam".  We do use the recommended
GET_WHEEL_DELTA_WPARAM macro.

> This might (possibly) explain Kunihiro's results

Were they on MS-Windows?  I'm not sure.

> if what Raymond Chen calls a
> "sub-detent mouse" was involved. (See "Scrollbars bart [sic] 6 – The wheel",
> "https://blogs.msdn.microsoft.com/oldnewthing/20030807-00/?p=42963".)

What that blog suggests, AFAIU, means that the amount of scrolling
could not be controlled via the system customization interfaces, only
via Emacs's user options.  Is that what we want?  It would mean that
Emacs behaves differently from other applications on the same system.



  reply	other threads:[~2017-04-01 14:29 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-28 23:13 mouse-wheel-scroll Tak Kunihiro
2017-03-29  2:39 ` mouse-wheel-scroll Eli Zaretskii
2017-03-29  6:06   ` mouse-wheel-scroll Tak Kunihiro
2017-03-29  7:36 ` mouse-wheel-scroll martin rudalics
2017-03-29  7:44   ` mouse-wheel-scroll Dani Moncayo
2017-03-29 19:09     ` mouse-wheel-scroll Philipp Stephani
2017-03-29 21:18       ` mouse-wheel-scroll Simen Heggestøyl
2017-03-29 21:22 ` mouse-wheel-scroll Kaushal Modi
2017-03-30  2:47   ` mouse-wheel-scroll Eli Zaretskii
2017-03-30  5:07     ` mouse-wheel-scroll Tak Kunihiro
2017-03-30 18:15       ` mouse-wheel-scroll Eli Zaretskii
2017-03-30 18:39         ` mouse-wheel-scroll Stefan Monnier
2017-03-30 20:34           ` mouse-wheel-scroll Eli Zaretskii
2017-03-31  0:26         ` mouse-wheel-scroll Tak Kunihiro
2017-03-31  6:39           ` mouse-wheel-scroll Eli Zaretskii
2017-03-31  6:55             ` mouse-wheel-scroll Dani Moncayo
2017-03-31  8:01               ` mouse-wheel-scroll Eli Zaretskii
2017-03-31  8:53                 ` mouse-wheel-scroll Dani Moncayo
2017-03-31  9:05                   ` mouse-wheel-scroll Eli Zaretskii
2017-03-31  9:24                     ` mouse-wheel-scroll Dani Moncayo
2017-03-31 12:22                       ` mouse-wheel-scroll Eli Zaretskii
2017-03-31 19:02                         ` mouse-wheel-scroll Richard Copley
2017-04-01 14:29                           ` Eli Zaretskii [this message]
2017-04-02 10:41                             ` mouse-wheel-scroll Richard Copley
2017-04-02 16:37                               ` mouse-wheel-scroll Eli Zaretskii
2017-04-01  8:17                   ` mouse-wheel-scroll Anders Lindgren
2017-03-31  9:04             ` mouse-wheel-scroll Tak Kunihiro
2017-04-02 23:20             ` mouse-wheel-scroll Tak Kunihiro
2017-04-03  2:34               ` mouse-wheel-scroll Eli Zaretskii
2017-04-03  5:50                 ` mouse-wheel-scroll Tak Kunihiro
2017-04-03 14:37                   ` mouse-wheel-scroll Eli Zaretskii
2017-04-03 23:07                     ` mouse-wheel-scroll Tak Kunihiro
2017-04-04 12:35                     ` mouse-wheel-scroll Alan Third
2017-03-30  7:29     ` mouse-wheel-scroll Dani Moncayo
2017-03-30  7:29     ` mouse-wheel-scroll martin rudalics
2017-03-30 13:44     ` mouse-wheel-scroll Kaushal Modi
  -- strict thread matches above, loose matches on Subject: below --
2017-03-31 14:02 mouse-wheel-scroll Angelo Graziosi
2017-03-31 22:37 ` mouse-wheel-scroll Richard Stallman
2017-04-01  8:13   ` mouse-wheel-scroll Angelo Graziosi

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