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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Touchpad two-finger scrolling is 2x the velocity of cursor movement"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104569#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Touchpad two-finger scrolling is 2x the velocity of cursor movement"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104569">bug 104569</a>
from <span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span></b>
<pre>You're observing this on the libinput level or in the applications? You need to
verify this first on the libinput level, running libinput debug-events and then
comparing the motion deltas with the pointer axis deltas from a comparable
two-finger scroll events.
I just stared at the code for a while and it is virtually the same minus the
acceleration applied to finger motion. Compare tp_gesture_post_pointer_motion()
and tp_gesture_handle_state_scroll(), they're almost identical. The only speed
difference would happen for very slow motions where the pointer has
deceleration applied but scrolling doesn't.</pre>
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