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touchpad: add touch state debugging helper

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2017-04-26 14:40:11 +10:00
parent 691aea6d06
commit ea4332a6cf
1 changed files with 25 additions and 0 deletions
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25
src/evdev-mt-touchpad.c
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@ -1268,6 +1268,28 @@ tp_handle_state(struct tp_dispatch *tp,
tp_clickpad_middlebutton_apply_config(tp->device);
}
static inline void
tp_debug_touch_state(struct tp_dispatch *tp,
struct evdev_device *device)
{
char buf[1024] = {0};
struct tp_touch *t;
size_t i = 0;
tp_for_each_touch(tp, t) {
if (i >= tp->nfingers_down)
break;
sprintf(&buf[strlen(buf)],
"slot %zd: %04d/%04d p%03d %s |",
i++,
t->point.x,
t->point.y,
t->pressure,
tp_touch_active(tp, t) ? "" : "inactive");
}
evdev_log_debug(device, "touch state: %s\n", buf);
}
static void
tp_interface_process(struct evdev_dispatch *dispatch,
struct evdev_device *device,
@ -1291,6 +1313,9 @@ tp_interface_process(struct evdev_dispatch *dispatch,
break;
case EV_SYN:
tp_handle_state(tp, time);
#if 0
tp_debug_touch_state(tp, device);
#endif
break;
}
}