Re: Touch events

[Anders Lindgren <andlind@gmail.com>]

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>
> I’ve kept a separate ‘touch-scroll’ event as the mac port just embeds
> that into the mouse-wheel events, but I feel there’s an argument to be
> made that they should be handled differently.
>

One thing that has annoyed me with the existing mouse-wheel events is that
macOS sends implements a kind of inertia, resulting is a sequence of events
a few seconds after I've stopped scrolling. Furthermore, if I have pressed,
say, shift while scrolling and release the shift key while the extra events
are arriving, the remaning events are treated as though they were
unshifted, possibly executing a different Emacs command.

It would be good to be able to get a single event for swipe commands (even
though the inertia is useful for some commands).

    -- Anders

Ps. In the package https://github.com/Lindydancer/multicolumn I've
implemented support for moving to next/prev/first/last window using
horizontal swipes. To get around the extra events passed by the macOS, I'm
using timers to silence scroll events for a while after a command has been
handled, which clearly isn't a good technical solution.

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