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_idle_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_TOUCH:
tp->tap.state = TAP_STATE_TOUCH;
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_RELEASE:
break;
case TAP_EVENT_MOTION:
log_bug_libinput(libinput,
"invalid tap event, no fingers are down\n");
break;
case TAP_EVENT_TIMEOUT:
break;
case TAP_EVENT_BUTTON:
tp->tap.state = TAP_STATE_DEAD;
break;
case TAP_EVENT_THUMB:
log_bug_libinput(libinput,
"invalid tap event, no fingers down, no thumb\n");
break;
}
}
static void
tp_edge_scroll_handle_edge(struct tp_dispatch *tp,
struct tp_touch *t,
enum scroll_event event)
{
struct libinput *libinput = tp_libinput_context(tp);
switch (event) {
case SCROLL_EVENT_TOUCH:
case SCROLL_EVENT_TIMEOUT:
log_bug_libinput(libinput,
"unexpected scroll event %d in edge state\n",
event);
break;
case SCROLL_EVENT_MOTION:
/* If started at the bottom right, decide in which dir to scroll */
if (t->scroll.edge == (EDGE_RIGHT | EDGE_BOTTOM)) {
t->scroll.edge &= tp_touch_get_edge(tp, t);
if (!t->scroll.edge)
tp_edge_scroll_set_state(tp, t,
EDGE_SCROLL_TOUCH_STATE_AREA);
}
break;
case SCROLL_EVENT_RELEASE:
tp_edge_scroll_set_state(tp, t, EDGE_SCROLL_TOUCH_STATE_NONE);
break;
case SCROLL_EVENT_POSTED:
break;
}
}
static void
tp_edge_scroll_handle_edge_new(struct tp_dispatch *tp,
struct tp_touch *t,
enum scroll_event event)
{
struct libinput *libinput = tp_libinput_context(tp);
switch (event) {
case SCROLL_EVENT_TOUCH:
log_bug_libinput(libinput,
"unexpected scroll event %d in edge new state\n",
event);
break;
case SCROLL_EVENT_MOTION:
t->scroll.edge &= tp_touch_get_edge(tp, t);
if (!t->scroll.edge)
tp_edge_scroll_set_state(tp, t,
EDGE_SCROLL_TOUCH_STATE_AREA);
break;
case SCROLL_EVENT_RELEASE:
tp_edge_scroll_set_state(tp, t, EDGE_SCROLL_TOUCH_STATE_NONE);
break;
case SCROLL_EVENT_TIMEOUT:
case SCROLL_EVENT_POSTED:
tp_edge_scroll_set_state(tp, t, EDGE_SCROLL_TOUCH_STATE_EDGE);
break;
}
}
static void
tp_edge_scroll_handle_none(struct tp_dispatch *tp,
struct tp_touch *t,
enum scroll_event event)
{
struct libinput *libinput = tp_libinput_context(tp);
switch (event) {
case SCROLL_EVENT_TOUCH:
if (tp_touch_get_edge(tp, t)) {
tp_edge_scroll_set_state(tp, t,
EDGE_SCROLL_TOUCH_STATE_EDGE_NEW);
} else {
tp_edge_scroll_set_state(tp, t,
EDGE_SCROLL_TOUCH_STATE_AREA);
}
break;
case SCROLL_EVENT_MOTION:
case SCROLL_EVENT_RELEASE:
case SCROLL_EVENT_TIMEOUT:
case SCROLL_EVENT_POSTED:
log_bug_libinput(libinput,
"unexpected scroll event %d in none state\n",
event);
break;
}
}
static void
tp_tap_tapped_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_MOTION:
case TAP_EVENT_RELEASE:
log_bug_libinput(libinput,
"invalid tap event when fingers are up\n");
break;
case TAP_EVENT_TOUCH:
tp->tap.state = TAP_STATE_DRAGGING_OR_DOUBLETAP;
tp_tap_set_timer(tp, time);
break;
case TAP_EVENT_TIMEOUT:
tp->tap.state = TAP_STATE_IDLE;
tp_tap_notify(tp, time, 1, LIBINPUT_BUTTON_STATE_RELEASED);
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
middlebutton_state_error(struct evdev_device *device,
enum evdev_middlebutton_event event)
{
log_bug_libinput(device->base.seat->libinput,
"Invalid event %s in middle btn state %s\n",
middlebutton_event_to_str(event),
middlebutton_state_to_str(device->middlebutton.state));
}
static void
tp_edge_scroll_handle_area(struct tp_dispatch *tp,
struct tp_touch *t,
enum scroll_event event)
{
struct libinput *libinput = tp_libinput_context(tp);
switch (event) {
case SCROLL_EVENT_TOUCH:
case SCROLL_EVENT_TIMEOUT:
case SCROLL_EVENT_POSTED:
log_bug_libinput(libinput,
"unexpected scroll event %d in area state\n",
event);
break;
case SCROLL_EVENT_MOTION:
break;
case SCROLL_EVENT_RELEASE:
tp_edge_scroll_set_state(tp, t, EDGE_SCROLL_TOUCH_STATE_NONE);
break;
}
}
bool
evdev_middlebutton_filter_button(struct evdev_device *device,
uint64_t time,
int button,
enum libinput_button_state state)
{
enum evdev_middlebutton_event event;
bool is_press = state == LIBINPUT_BUTTON_STATE_PRESSED;
int rc;
unsigned int bit = (button - BTN_LEFT);
uint32_t old_mask = 0;
if (!device->middlebutton.enabled)
return false;
switch (button) {
case BTN_LEFT:
if (is_press)
event = MIDDLEBUTTON_EVENT_L_DOWN;
else
event = MIDDLEBUTTON_EVENT_L_UP;
break;
case BTN_RIGHT:
if (is_press)
event = MIDDLEBUTTON_EVENT_R_DOWN;
else
event = MIDDLEBUTTON_EVENT_R_UP;
break;
/* BTN_MIDDLE counts as "other" and resets middle button
* emulation */
case BTN_MIDDLE:
default:
event = MIDDLEBUTTON_EVENT_OTHER;
break;
}
if (button < BTN_LEFT ||
bit >= sizeof(device->middlebutton.button_mask) * 8) {
log_bug_libinput(device->base.seat->libinput,
"Button mask too small for %d\n",
libevdev_event_code_get_name(EV_KEY,
button));
return true;
}
rc = evdev_middlebutton_handle_event(device, time, event);
old_mask = device->middlebutton.button_mask;
if (is_press)
device->middlebutton.button_mask |= 1 << bit;
else
device->middlebutton.button_mask &= ~(1 << bit);
if (old_mask != device->middlebutton.button_mask &&
device->middlebutton.button_mask == 0) {
evdev_middlebutton_handle_event(device,
time,
MIDDLEBUTTON_EVENT_ALL_UP);
evdev_middlebutton_apply_config(device);
}
return rc;
}
