[Wayland-bugs] [Bug 103210] One-finger tap registered as two-finger tap when touch-size-based palm rejection is triggered

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103210

            Bug ID: 103210
           Summary: One-finger tap registered as two-finger tap when
                    touch-size-based palm rejection is triggered
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: peteryuchuang at gmail.com

Created attachment 134787
  --> https://bugs.freedesktop.org/attachment.cgi?id=134787&action=edit
evemu-record of one-finger taps when palm rejection is triggered.

On large touchpads (e.g. recent MacBooks), tap-to-click behaviours are erratic
when touch-size-based palm rejection is triggered. For instance, one-finger
taps are sometimes registered as two-finger tap (i.e. right click), and
two-finger taps are sometimes registered as three-finger tap.

Related discussion:
https://github.com/Dunedan/mbp-2016-linux/issues/20#issuecomment-320631404

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