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touchpad: add palm state debugging

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer 2015-05-22 15:14:04 +10:00
parent ff8f44a0c6
commit 17d3cf414a
1 changed files with 20 additions and 2 deletions
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22
src/evdev-mt-touchpad.c
View file

@ -475,8 +475,11 @@ tp_palm_tap_is_palm(struct tp_dispatch *tp, struct tp_touch *t)
/* We're inside the left/right palm edge and in the northern half of
* the touchpad - this tap is a palm */
if (t->point.y < tp->palm.vert_center)
if (t->point.y < tp->palm.vert_center) {
log_debug(tp_libinput_context(tp),
"palm: palm-tap detected\n");
return true;
}
return false;
}
@ -506,7 +509,7 @@ tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
int dirs;
if (tp_palm_detect_dwt(tp, t, time))
return;
goto out;
/* If labelled a touch as palm, we unlabel as palm when
we move out of the palm edge zone within the timeout, provided
@ -520,6 +523,8 @@ tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
tp_normalize_delta(tp, delta));
if ((dirs & DIRECTIONS) && !(dirs & ~DIRECTIONS)) {
t->palm.state = PALM_NONE;
log_debug(tp_libinput_context(tp),
"palm: touch released, out of edge zone\n");
}
}
return;
@ -541,6 +546,11 @@ tp_palm_detect(struct tp_dispatch *tp, struct tp_touch *t, uint64_t time)
t->palm.state = PALM_EDGE;
t->palm.time = time;
t->palm.first = t->point;
out:
log_debug(tp_libinput_context(tp),
"palm: palm detected (%s)\n",
t->palm.state == PALM_EDGE ? "edge" : "typing");
}
static void
@ -923,7 +933,10 @@ tp_keyboard_timeout(uint64_t now, void *data)
struct tp_dispatch *tp = data;
tp_tap_resume(tp, now);
tp->dwt.keyboard_active = false;
log_debug(tp_libinput_context(tp), "palm: keyboard timeout\n");
}
static inline bool
@ -1048,6 +1061,11 @@ tp_interface_device_added(struct evdev_device *device,
if (added_device->tags & EVDEV_TAG_KEYBOARD &&
tp->dwt.keyboard == NULL &&
tp_want_dwt(device, added_device)) {
log_debug(tp_libinput_context(tp),
"palm: dwt activated with %s<->%s\n",
device->devname,
added_device->devname);
libinput_device_add_event_listener(&added_device->base,
&tp->dwt.keyboard_listener,
tp_keyboard_event, tp);