[Wayland-bugs] [Bug 85629] New: Add support for kinetic scroll detection

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85629

            Bug ID: 85629
           Summary: Add support for kinetic scroll detection
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: peter.hutterer at who-t.net
                CC: jadahl at gmail.com

Kinetic scrolling is useful on e.g. touchpads, where a flick with two fingers
triggers a scroll motion that continues depending on the speed of the motion.

libinput currently sends 0/0 scroll events at the termination of a finger
scroll, but this is not neither detectable ahead of time.

Potential solution would be something along the lines of
libinput_event_pointer_axis_get_source() that responds with some identifier
that tells us how the event was generated.

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