static void
tp_tap_touch3_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event, uint64_t time)
{
switch (event) {
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_DEAD;
tp_tap_clear_timer(tp);
break;
case TAP_EVENT_MOTION:
case TAP_EVENT_TIMEOUT:
tp->tap.state = TAP_STATE_TOUCH_3_HOLD;
tp_tap_clear_timer(tp);
break;
case TAP_EVENT_RELEASE:
tp->tap.state = TAP_STATE_TOUCH_2_HOLD;
if (t->tap.state == TAP_TOUCH_STATE_TOUCH) {
tp_tap_notify(tp,
tp->tap.saved_press_time,
3,
LIBINPUT_BUTTON_STATE_PRESSED);
tp_tap_notify(tp, time, 3, LIBINPUT_BUTTON_STATE_RELEASED);
}
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_DEAD;
break;
case TAP_EVENT_THUMB:
break;
}
}
static void
tp_tap_touch_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event, uint64_t time)
{
switch (event) {
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_TOUCH_2;
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_RELEASE:
tp->tap.state = TAP_STATE_TAPPED;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_PRESSED);
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_TIMEOUT:
case TAP_EVENT_MOTION:
tp->tap.state = TAP_STATE_HOLD;
tp_tap_clear_timer(tp);
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_DEAD;
break;
case TAP_EVENT_THUMB:
tp->tap.state = TAP_STATE_IDLE;
t->tap.is_thumb = true;
t->tap.state = TAP_TOUCH_STATE_DEAD;
tp_tap_clear_timer(tp);
break;
}
}
static void
tp_tap_dragging_tap_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event, uint64_t time)
{
switch (event) {
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_DRAGGING_2;
tp_tap_clear_timer(tp);
break;
case TAP_EVENT_RELEASE:
tp->tap.state = TAP_STATE_IDLE;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_RELEASED);
break;
case TAP_EVENT_MOTION:
case TAP_EVENT_TIMEOUT:
tp->tap.state = TAP_STATE_DRAGGING;
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_DEAD;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_RELEASED);
break;
case TAP_EVENT_THUMB:
break;
}
}
static void
tp_tap_touch2_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event, uint64_t time)
{
switch (event) {
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_TOUCH_3;
tp->tap.saved_press_time = time;
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_RELEASE:
tp->tap.state = TAP_STATE_TOUCH_2_RELEASE;
tp->tap.saved_release_time = time;
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_MOTION:
tp_tap_clear_timer(tp);
/* fallthrough */
case TAP_EVENT_TIMEOUT:
tp->tap.state = TAP_STATE_TOUCH_2_HOLD;
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_DEAD;
break;
case TAP_EVENT_THUMB:
break;
}
}
static void
tp_tap_multitap_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event, uint64_t time)
{
struct libinput *libinput = tp_libinput_context(tp);
switch (event) {
case TAP_EVENT_RELEASE:
log_bug_libinput(libinput,
"invalid tap event, no fingers are down\n");
break;
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_MULTITAP_DOWN;
tp->tap.multitap_last_time = time;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_PRESSED);
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_MOTION:
log_bug_libinput(libinput,
"invalid tap event, no fingers are down\n");
break;
case TAP_EVENT_TIMEOUT:
tp->tap.state = TAP_STATE_IDLE;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_PRESSED);
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_RELEASED);
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_IDLE;
tp_tap_clear_timer(tp);
break;
case TAP_EVENT_THUMB:
break;
}
}
static void
tp_tap_handle_event(struct tp_dispatch *tp,
struct tp_touch *t,
enum tap_event event,
uint64_t time)
{
enum tp_tap_state current;
current = tp->tap.state;
switch(tp->tap.state) {
case TAP_STATE_IDLE:
tp_tap_idle_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH:
tp_tap_touch_handle_event(tp, t, event, time);
break;
case TAP_STATE_HOLD:
tp_tap_hold_handle_event(tp, t, event, time);
break;
case TAP_STATE_TAPPED:
tp_tap_tapped_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH_2:
tp_tap_touch2_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH_2_HOLD:
tp_tap_touch2_hold_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH_2_RELEASE:
tp_tap_touch2_release_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH_3:
tp_tap_touch3_handle_event(tp, t, event, time);
break;
case TAP_STATE_TOUCH_3_HOLD:
tp_tap_touch3_hold_handle_event(tp, t, event, time);
break;
case TAP_STATE_DRAGGING_OR_DOUBLETAP:
tp_tap_dragging_or_doubletap_handle_event(tp, t, event, time);
break;
case TAP_STATE_DRAGGING:
tp_tap_dragging_handle_event(tp, t, event, time);
break;
case TAP_STATE_DRAGGING_WAIT:
tp_tap_dragging_wait_handle_event(tp, t, event, time);
break;
case TAP_STATE_DRAGGING_OR_TAP:
tp_tap_dragging_tap_handle_event(tp, t, event, time);
break;
case TAP_STATE_DRAGGING_2:
tp_tap_dragging2_handle_event(tp, t, event, time);
break;
case TAP_STATE_MULTITAP:
tp_tap_multitap_handle_event(tp, t, event, time);
break;
case TAP_STATE_MULTITAP_DOWN:
tp_tap_multitap_down_handle_event(tp, t, event, time);
break;
case TAP_STATE_DEAD:
tp_tap_dead_handle_event(tp, t, event, time);
break;
}
if (tp->tap.state == TAP_STATE_IDLE || tp->tap.state == TAP_STATE_DEAD)
tp_tap_clear_timer(tp);
evdev_log_debug(tp->device,
"tap state: %s → %s → %s\n",
tap_state_to_str(current),
tap_event_to_str(event),
tap_state_to_str(tp->tap.state));
}