https://bugs.freedesktop.org/show_bug.cgi?id=101435
Bug ID: 101435
Summary: use BTN_TOOL_TRIPLETAP for three-finger touch
detection on 2-slot touchpads
Product: Wayland
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: libinput
Assignee: [email protected]
Reporter: [email protected]
From: https://bugzilla.redhat.com/show_bug.cgi?id=1455443
Summary: synaptics 2-slot touchpads give us pointer jumps when the third finger
is down. The data we get is garbage, sometimes the two touches swap slots,
sometimes we get two x/y positions within the same frame for the same slot,
etc.
As a result, three-finger taps are unreliable.
This wasn't the case with synaptics because it merely relied on
BTN_TOOL_TRIPLETAP and didn't use the same motion detection we have in
libinput.
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