[Wayland-bugs] [Bug 101299] Touchpad multitouch (Synaptics / touchegg + libinput / libinput gestures) not working, but should be capable according to device props
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Jun 6 21:30:32 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=101299
--- Comment #3 from Peter Hutterer <peter.hutterer at who-t.net> ---
libinput is a library, it can be either used by the wayland compositor or by
the xf86-input-libinput driver. Or commandline tools. Right now, all major
compositors use libinput to process input events. Synaptics is an xorg driver
alone, it sits next to xf86-input-libinput and the two are mutually exclusive,
you have to pick one of the two for your touchpad device.
(In reply to nokodemus86 from comment #2)
> But on pinching or 3+ - Finger swipes i'm getting following output:
> libinput error: libinput bug: Event for missing capability CAP_GESTURE on
> device "AlpsPS/2 ALPS GlidePoint"
oops, that is indeed a bug. Please record a gesture that triggers that bug with
sudo evemu-record and attach the output in a separate bug (as attachment, not
as comment).
> To be honest, it would already be great if i could at least map
> ALT+left/ALT+right (Browser back/forward) to the 2-finger horizontal swipe.
> In my case there's no need for horizontal scrolling using touchpad.
>
> Do you think there could be a chance of at least realizing this?
> For sure i'm absolutely happy to help with any information you need. At
> least i'll try as good as i can ;-)
libinput only interprets and forwards the gestures, it doesn't actually handle
them or convert them to semantic events. That's something that's up to the
compositor (for global gestures) or the client/toolkit for local gestures. But
- no chance of that happening in X, the bits in between are simply missing,
sorry. It's a Wayland-only feature.
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