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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - 3-fingers touch occasionally fails to get detected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105043#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - 3-fingers touch occasionally fails to get detected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105043">bug 105043</a>
from <span class="vcard"><a class="email" href="mailto:Hi-Angel@yandex.ru" title="Hi-Angel <Hi-Angel@yandex.ru>"> <span class="fn">Hi-Angel</span></a>
</span></b>
<pre>(In reply to Peter Hutterer from <a href="show_bug.cgi?id=105043#c9">comment #9</a>)
<span class="quote">> run libinput debug-events --verbose at the same time, that give you more
> debugging output and you can tell what tap state a touch is in and what palm
> state it is in. if a finger is detected as palm it'll be reflected as such,
> and if there's too much movement to cancel the tap, it'll show up as well.</span >
Thanks, I managed to get it, though don't really know what to make of that
info:
Sample from evemu-record | grep BTN_TOOL:
E: 29.585448 0001 0145 0001 # EV_KEY / BTN_TOOL_FINGER 1
E: 29.625140 0001 0145 0000 # EV_KEY / BTN_TOOL_FINGER 0
E: 29.625140 0001 014d 0001 # EV_KEY / BTN_TOOL_DOUBLETAP 1
E: 29.769373 0001 014d 0000 # EV_KEY / BTN_TOOL_DOUBLETAP 0
Acc. output from libinput debug-events --verbose:
event10 - palm: keyboard timeout
event10 - pressure: begin touch
event10 - button state: from BUTTON_STATE_NONE, event
BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA
event10 - button state: from BUTTON_STATE_NONE, event
BUTTON_EVENT_IN_AREA to BUTTON_STATE_AREA
event10 - gesture state: GESTURE_STATE_NONE → GESTURE_STATE_SCROLL
event10 - gesture state: GESTURE_STATE_SCROLL → GESTURE_STATE_SCROLL
event10 - gesture state: GESTURE_STATE_SCROLL → GESTURE_STATE_SCROLL
event10 - gesture state: GESTURE_STATE_SCROLL → GESTURE_STATE_SCROLL
-event10 POINTER_AXIS +33.50s vert 2.73* horiz 0.00 (finger)
event10 - gesture state: GESTURE_STATE_SCROLL → GESTURE_STATE_SCROLL
event10 POINTER_AXIS +33.52s vert 1.46* horiz 0.00 (finger)
event10 - pressure: end touch
event10 - button state: from BUTTON_STATE_AREA, event BUTTON_EVENT_UP
to BUTTON_STATE_NONE
event10 - button state: from BUTTON_STATE_AREA, event BUTTON_EVENT_UP
to BUTTON_STATE_NONE
event10 POINTER_AXIS +33.57s vert 0.00* horiz 0.00* (finger)</pre>
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