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From: Lars Ingebrigtsen <larsi@gnus.org>
To: Po Lu via "Emacs development discussions." <emacs-devel@gnu.org>
Cc: Po Lu <luangruo@yahoo.com>
Subject: Re: Touchscreen support
Date: Thu, 16 Dec 2021 08:58:03 +0100	[thread overview]
Message-ID: <87a6h13rsk.fsf@gnus.org> (raw)
In-Reply-To: <87czlxkntg.fsf@yahoo.com> (Po Lu via's message of "Thu, 16 Dec 2021 15:31:55 +0800")

Po Lu via "Emacs development discussions." <emacs-devel@gnu.org> writes:

> I implemented the events required for full touchscreen support for
> XInput 2.  These events are generated only for DirectTouch devices,
> which means real touchscreens only, no touchpads.

That's fantastic -- proper touchscreen support is something I've been
wanting to have in Emacs for at least a decade.

One question:

> Please take a look and see if the API I'm exposing is useful, and also
> easy enough to implement on non-X platforms.
> +The low-level touchscreen events described below can be used to
> +implement all the touch sequences described above.  In those events,
> +each point is represented by a cons of an arbitrary number identifying
> +the point and a mouse position list (@pxref{Click Events}) specifying
> +the position of the finger when the event occurred.

What would the implementation of a (for instance) "three finger swipe
left" event look like based on these primitives?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no



  reply	other threads:[~2021-12-16  7:58 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87czlxkntg.fsf.ref@yahoo.com>
2021-12-16  7:31 ` Touchscreen support Po Lu via Emacs development discussions.
2021-12-16  7:58   ` Lars Ingebrigtsen [this message]
2021-12-16  8:02     ` Po Lu
2021-12-17  6:19   ` Po Lu
2021-12-17  7:17     ` Lars Ingebrigtsen
2021-12-17 12:29     ` Stefan Monnier
2021-12-17 12:36       ` Po Lu
2021-12-17 13:18         ` Stefan Monnier
2021-12-17 13:48           ` Po Lu
2021-12-17 16:00             ` Stefan Monnier
2021-12-18  0:02               ` Po Lu
2021-12-18 16:22                 ` Stefan Monnier
2021-12-18 19:12                   ` Stefan Monnier
2021-12-18  4:41             ` Richard Stallman
2021-12-18  4:53               ` Po Lu
2021-12-20  4:42                 ` Richard Stallman
2021-12-20  4:59                   ` Po Lu
2021-12-21  4:15                     ` Richard Stallman
2021-12-21  4:35                       ` Po Lu
2021-12-22  4:16                         ` Richard Stallman
2021-12-22  4:39                           ` Po Lu
2021-12-23  3:43                             ` Richard Stallman
2021-12-23  4:46                               ` Po Lu
2021-12-26  3:57                                 ` Richard Stallman
2021-12-26  5:02                                   ` Po Lu
2021-12-27  4:14                                     ` Richard Stallman
2021-12-27  6:05                                       ` Stefan Monnier
2021-12-28  4:19                                         ` Richard Stallman
2022-01-15  0:17                                       ` chad
2022-01-15  0:48                                         ` Po Lu
2022-01-16  5:07                                         ` Richard Stallman
2022-01-16  5:35                                           ` Po Lu
2021-12-18  7:48           ` Lars Ingebrigtsen
2021-12-18 14:46             ` Eli Zaretskii
2021-12-19  0:24               ` Po Lu
2021-12-19  8:14                 ` Eli Zaretskii
2021-12-19  9:24                   ` Po Lu
2021-12-19  9:32                     ` Eli Zaretskii
2021-12-19  9:38                       ` Po Lu
2021-12-19 11:31                         ` Eli Zaretskii
2021-12-19 11:42                           ` Po Lu
2021-12-19 17:58                             ` Eli Zaretskii
2021-12-20  0:54                               ` Po Lu
2021-12-20 15:18                                 ` Eli Zaretskii
2021-12-21  1:08                                   ` Po Lu
2021-12-21 12:11                                     ` Eli Zaretskii
2021-12-21 12:21                                       ` Po Lu
2021-12-21 14:17                                         ` Eli Zaretskii
2021-12-19 18:26                       ` [External] : " Drew Adams
2021-12-20  4:42             ` Richard Stallman

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