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touchpad: don't detect speed-based thumbs if there's already a thumb

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Matt Mayfield 2019-07-14 12:50:14 -05:00 • committed by Peter Hutterer
parent 94a7cd4959
commit 35fd6e6c4e
1 changed files with 2 additions and 1 deletions
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3
src/evdev-mt-touchpad-thumb.c
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@ -314,11 +314,12 @@ tp_thumb_update_multifinger(struct tp_dispatch *tp)
distance.y = abs(first->point.y - second->point.y);
mm = evdev_device_unit_delta_to_mm(tp->device, &distance);
/* Speed-based thumb detection: if an existing touch is moving, and
/* Speed-based thumb detection: if an existing finger is moving, and
* a new touch arrives, mark it as a thumb if it doesn't qualify as a
* 2-finger scroll.
*/
if (newest &&
tp->thumb.state == THUMB_STATE_FINGER &&
tp->nfingers_down == 2 &&
speed_exceeded_count > 5 &&
(tp->scroll.method != LIBINPUT_CONFIG_SCROLL_2FG ||