static void
handle_pointer_axis(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
double value;
enum libinput_pointer_axis axis;
axis = LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL;
if (libinput_event_pointer_has_axis(pointer_event, axis)) {
value = normalize_scroll(pointer_event, axis);
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
WL_POINTER_AXIS_VERTICAL_SCROLL,
wl_fixed_from_double(value));
}
axis = LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL;
if (libinput_event_pointer_has_axis(pointer_event, axis)) {
value = normalize_scroll(pointer_event, axis);
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
WL_POINTER_AXIS_HORIZONTAL_SCROLL,
wl_fixed_from_double(value));
}
}
static void
handle_pointer_motion_absolute(
struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
struct weston_output *output = device->output;
uint32_t time;
wl_fixed_t x, y;
uint32_t width, height;
if (!output)
return;
time = libinput_event_pointer_get_time(pointer_event);
width = device->output->current_mode->width;
height = device->output->current_mode->height;
x = wl_fixed_from_double(
libinput_event_pointer_get_absolute_x_transformed(pointer_event,
width));
y = wl_fixed_from_double(
libinput_event_pointer_get_absolute_y_transformed(pointer_event,
height));
weston_output_transform_coordinate(device->output, x, y, &x, &y);
notify_motion_absolute(device->seat, time, x, y);
}
static void
handle_pointer_motion(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_motion(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_dx(pointer_event),
libinput_event_pointer_get_dy(pointer_event));
}
static void
handle_pointer_axis(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
notify_axis(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_axis(pointer_event),
libinput_event_pointer_get_axis_value(pointer_event));
}
static void
handle_pointer_motion(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
wl_fixed_t dx, dy;
dx = wl_fixed_from_double(libinput_event_pointer_get_dx(pointer_event));
dy = wl_fixed_from_double(libinput_event_pointer_get_dy(pointer_event));
notify_motion(device->seat,
libinput_event_pointer_get_time(pointer_event),
dx,
dy);
}
static void
handle_pointer_button(struct libinput_device *libinput_device,
struct libinput_event_pointer *pointer_event)
{
struct evdev_device *device =
libinput_device_get_user_data(libinput_device);
int button_state =
libinput_event_pointer_get_button_state(pointer_event);
int seat_button_count =
libinput_event_pointer_get_seat_button_count(pointer_event);
/* Ignore button events that are not seat wide state changes. */
if ((button_state == LIBINPUT_BUTTON_STATE_PRESSED &&
seat_button_count != 1) ||
(button_state == LIBINPUT_BUTTON_STATE_RELEASED &&
seat_button_count != 0))
return;
notify_button(device->seat,
libinput_event_pointer_get_time(pointer_event),
libinput_event_pointer_get_button(pointer_event),
libinput_event_pointer_get_button_state(pointer_event));
}
static int
input_event(int fd, uint32_t mask, void *data)
{
(void)fd, (void)mask;
struct input *input = data;
if (libinput_dispatch(input->handle) != 0)
wlc_log(WLC_LOG_WARN, "Failed to dispatch libinput");
struct libinput_event *event;
while ((event = libinput_get_event(input->handle))) {
struct libinput *handle = libinput_event_get_context(event);
struct libinput_device *device = libinput_event_get_device(event);
(void)handle;
switch (libinput_event_get_type(event)) {
case LIBINPUT_EVENT_DEVICE_ADDED:
WLC_INTERFACE_EMIT(input.created, device);
break;
case LIBINPUT_EVENT_DEVICE_REMOVED:
WLC_INTERFACE_EMIT(input.destroyed, device);
break;
case LIBINPUT_EVENT_POINTER_MOTION:
{
struct libinput_event_pointer *pev = libinput_event_get_pointer_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_MOTION;
ev.time = libinput_event_pointer_get_time(pev);
ev.motion.dx = libinput_event_pointer_get_dx(pev);
ev.motion.dy = libinput_event_pointer_get_dy(pev);
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_POINTER_MOTION_ABSOLUTE:
{
struct libinput_event_pointer *pev = libinput_event_get_pointer_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_MOTION_ABSOLUTE;
ev.time = libinput_event_pointer_get_time(pev);
ev.motion_abs.x = pointer_abs_x;
ev.motion_abs.y = pointer_abs_y;
ev.motion_abs.internal = pev;
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_POINTER_BUTTON:
{
struct libinput_event_pointer *pev = libinput_event_get_pointer_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_BUTTON;
ev.time = libinput_event_pointer_get_time(pev);
ev.button.code = libinput_event_pointer_get_button(pev);
ev.button.state = (enum wl_pointer_button_state)libinput_event_pointer_get_button_state(pev);
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_POINTER_AXIS:
{
struct libinput_event_pointer *pev = libinput_event_get_pointer_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_SCROLL;
ev.time = libinput_event_pointer_get_time(pev);
#if LIBINPUT_VERSION_MAJOR == 0 && LIBINPUT_VERSION_MINOR < 8
/* < libinput 0.8.x (at least to 0.6.x) */
const enum wl_pointer_axis axis = libinput_event_pointer_get_axis(pev);
ev.scroll.amount[(axis == LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)] = libinput_event_pointer_get_axis_value(pev);
ev.scroll.axis_bits |= (axis == LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL ? WLC_SCROLL_AXIS_HORIZONTAL : WLC_SCROLL_AXIS_VERTICAL);
#else
/* > libinput 0.8.0 */
if (libinput_event_pointer_has_axis(pev, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)) {
ev.scroll.amount[0] = libinput_event_pointer_get_axis_value(pev, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
ev.scroll.axis_bits |= WLC_SCROLL_AXIS_VERTICAL;
}
if (libinput_event_pointer_has_axis(pev, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)) {
ev.scroll.amount[1] = libinput_event_pointer_get_axis_value(pev, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
ev.scroll.axis_bits |= WLC_SCROLL_AXIS_HORIZONTAL;
}
#endif
// We should get other axis information from libinput as well, like source (finger, wheel) (v0.8)
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_KEYBOARD_KEY:
{
struct libinput_event_keyboard *kev = libinput_event_get_keyboard_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_KEY;
ev.time = libinput_event_keyboard_get_time(kev);
ev.key.code = libinput_event_keyboard_get_key(kev);
ev.key.state = (enum wl_keyboard_key_state)libinput_event_keyboard_get_key_state(kev);
ev.device = device;
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_TOUCH_UP:
{
struct libinput_event_touch *tev = libinput_event_get_touch_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_TOUCH;
ev.time = libinput_event_touch_get_time(tev);
ev.touch.type = wlc_touch_type_for_libinput_type(libinput_event_get_type(event));
ev.touch.slot = libinput_event_touch_get_seat_slot(tev);
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
case LIBINPUT_EVENT_TOUCH_MOTION:
{
struct libinput_event_touch *tev = libinput_event_get_touch_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_TOUCH;
ev.time = libinput_event_touch_get_time(tev);
ev.touch.type = wlc_touch_type_for_libinput_type(libinput_event_get_type(event));
ev.touch.x = touch_abs_x;
ev.touch.y = touch_abs_y;
ev.touch.internal = tev;
ev.touch.slot = libinput_event_touch_get_seat_slot(tev);
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
case LIBINPUT_EVENT_TOUCH_CANCEL:
{
struct libinput_event_touch *tev = libinput_event_get_touch_event(event);
struct wlc_input_event ev = {0};
ev.type = WLC_INPUT_EVENT_TOUCH;
ev.time = libinput_event_touch_get_time(tev);
ev.touch.type = wlc_touch_type_for_libinput_type(libinput_event_get_type(event));
wl_signal_emit(&wlc_system_signals()->input, &ev);
}
break;
default: break;
}
libinput_event_destroy(event);
}
return 0;
}
void LibinputServer::processEvents()
{
libinput_dispatch(m_libinput);
while (auto* event = libinput_get_event(m_libinput)) {
switch (libinput_event_get_type(event)) {
case LIBINPUT_EVENT_TOUCH_DOWN:
if (m_handleTouchEvents)
handleTouchEvent(event, Input::TouchEvent::Type::Down);
break;
case LIBINPUT_EVENT_TOUCH_UP:
if (m_handleTouchEvents)
handleTouchEvent(event, Input::TouchEvent::Type::Up);
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
if (m_handleTouchEvents)
handleTouchEvent(event, Input::TouchEvent::Type::Motion);
break;
case LIBINPUT_EVENT_KEYBOARD_KEY:
{
auto* keyEvent = libinput_event_get_keyboard_event(event);
Input::KeyboardEvent::Raw rawEvent{
libinput_event_keyboard_get_time(keyEvent),
libinput_event_keyboard_get_key(keyEvent),
libinput_event_keyboard_get_key_state(keyEvent)
};
Input::KeyboardEventHandler::Result result = m_keyboardEventHandler->handleKeyboardEvent(rawEvent);
m_client->handleKeyboardEvent({ rawEvent.time, std::get<0>(result), std::get<1>(result), !!rawEvent.state, std::get<2>(result) });
if (!!rawEvent.state)
m_keyboardEventRepeating->schedule(rawEvent);
else
m_keyboardEventRepeating->cancel();
break;
}
case LIBINPUT_EVENT_POINTER_MOTION:
{
if (!m_handlePointerEvents)
break;
auto* pointerEvent = libinput_event_get_pointer_event(event);
double dx = libinput_event_pointer_get_dx(pointerEvent);
double dy = libinput_event_pointer_get_dy(pointerEvent);
m_pointerCoords.first = std::min<int32_t>(std::max<uint32_t>(0, m_pointerCoords.first + dx), m_pointerBounds.first - 1);
m_pointerCoords.second = std::min<int32_t>(std::max<uint32_t>(0, m_pointerCoords.second + dy), m_pointerBounds.second - 1);
m_client->handlePointerEvent({ Input::PointerEvent::Motion, libinput_event_pointer_get_time(pointerEvent),
m_pointerCoords.first, m_pointerCoords.second, 0, 0 });
break;
}
case LIBINPUT_EVENT_POINTER_BUTTON:
{
if (!m_handlePointerEvents)
break;
auto* pointerEvent = libinput_event_get_pointer_event(event);
m_client->handlePointerEvent({ Input::PointerEvent::Button, libinput_event_pointer_get_time(pointerEvent),
m_pointerCoords.first, m_pointerCoords.second,
libinput_event_pointer_get_button(pointerEvent), libinput_event_pointer_get_button_state(pointerEvent) });
break;
}
case LIBINPUT_EVENT_POINTER_AXIS:
{
if (!m_handlePointerEvents)
break;
auto* pointerEvent = libinput_event_get_pointer_event(event);
// Support only wheel events for now.
if (libinput_event_pointer_get_axis_source(pointerEvent) != LIBINPUT_POINTER_AXIS_SOURCE_WHEEL)
break;
if (libinput_event_pointer_has_axis(pointerEvent, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)) {
auto axis = LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL;
int32_t axisValue = libinput_event_pointer_get_axis_value(pointerEvent, axis);
m_client->handleAxisEvent({ Input::AxisEvent::Motion, libinput_event_pointer_get_time(pointerEvent),
m_pointerCoords.first, m_pointerCoords.second,
axis, -axisValue });
}
if (libinput_event_pointer_has_axis(pointerEvent, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)) {
auto axis = LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL;
int32_t axisValue = libinput_event_pointer_get_axis_value(pointerEvent, axis);
m_client->handleAxisEvent({ Input::AxisEvent::Motion, libinput_event_pointer_get_time(pointerEvent),
m_pointerCoords.first, m_pointerCoords.second,
axis, axisValue });
}
break;
}
default:
break;
}
libinput_event_destroy(event);
}
}
