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285 lines
10 KiB
285 lines
10 KiB
#include <assert.h>
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#include <libinput.h>
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#include <wlr/interfaces/wlr_pointer.h>
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#include "backend/libinput.h"
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const struct wlr_pointer_impl libinput_pointer_impl = {
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.name = "libinput-pointer",
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};
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void init_device_pointer(struct wlr_libinput_input_device *dev) {
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const char *name = libinput_device_get_name(dev->handle);
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struct wlr_pointer *wlr_pointer = &dev->pointer;
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wlr_pointer_init(wlr_pointer, &libinput_pointer_impl, name);
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wlr_pointer->base.vendor = libinput_device_get_id_vendor(dev->handle);
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wlr_pointer->base.product = libinput_device_get_id_product(dev->handle);
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}
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struct wlr_libinput_input_device *device_from_pointer(
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struct wlr_pointer *wlr_pointer) {
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assert(wlr_pointer->impl == &libinput_pointer_impl);
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struct wlr_libinput_input_device *dev =
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wl_container_of(wlr_pointer, dev, pointer);
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return dev;
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}
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void handle_pointer_motion(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_pointer *pevent =
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libinput_event_get_pointer_event(event);
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struct wlr_pointer_motion_event wlr_event = { 0 };
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wlr_event.pointer = pointer;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
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wlr_event.delta_x = libinput_event_pointer_get_dx(pevent);
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wlr_event.delta_y = libinput_event_pointer_get_dy(pevent);
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wlr_event.unaccel_dx = libinput_event_pointer_get_dx_unaccelerated(pevent);
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wlr_event.unaccel_dy = libinput_event_pointer_get_dy_unaccelerated(pevent);
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wl_signal_emit_mutable(&pointer->events.motion, &wlr_event);
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wl_signal_emit_mutable(&pointer->events.frame, pointer);
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}
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void handle_pointer_motion_abs(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_pointer *pevent =
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libinput_event_get_pointer_event(event);
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struct wlr_pointer_motion_absolute_event wlr_event = { 0 };
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wlr_event.pointer = pointer;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
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wlr_event.x = libinput_event_pointer_get_absolute_x_transformed(pevent, 1);
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wlr_event.y = libinput_event_pointer_get_absolute_y_transformed(pevent, 1);
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wl_signal_emit_mutable(&pointer->events.motion_absolute, &wlr_event);
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wl_signal_emit_mutable(&pointer->events.frame, pointer);
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}
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void handle_pointer_button(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_pointer *pevent =
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libinput_event_get_pointer_event(event);
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struct wlr_pointer_button_event wlr_event = { 0 };
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wlr_event.pointer = pointer;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
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wlr_event.button = libinput_event_pointer_get_button(pevent);
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// Ignore events which aren't a seat-wide state change. For instance, if
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// the same button is pressed twice on the same seat, ignore the second
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// press.
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uint32_t seat_count = libinput_event_pointer_get_seat_button_count(pevent);
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switch (libinput_event_pointer_get_button_state(pevent)) {
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case LIBINPUT_BUTTON_STATE_PRESSED:
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wlr_event.state = WLR_BUTTON_PRESSED;
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if (seat_count != 1) {
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return;
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}
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break;
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case LIBINPUT_BUTTON_STATE_RELEASED:
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wlr_event.state = WLR_BUTTON_RELEASED;
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if (seat_count != 0) {
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return;
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}
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break;
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}
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wl_signal_emit_mutable(&pointer->events.button, &wlr_event);
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wl_signal_emit_mutable(&pointer->events.frame, pointer);
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}
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void handle_pointer_axis(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_pointer *pevent =
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libinput_event_get_pointer_event(event);
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struct wlr_pointer_axis_event wlr_event = { 0 };
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wlr_event.pointer = pointer;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
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switch (libinput_event_pointer_get_axis_source(pevent)) {
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case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL:
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wlr_event.source = WLR_AXIS_SOURCE_WHEEL;
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break;
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case LIBINPUT_POINTER_AXIS_SOURCE_FINGER:
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wlr_event.source = WLR_AXIS_SOURCE_FINGER;
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break;
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case LIBINPUT_POINTER_AXIS_SOURCE_CONTINUOUS:
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wlr_event.source = WLR_AXIS_SOURCE_CONTINUOUS;
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break;
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case LIBINPUT_POINTER_AXIS_SOURCE_WHEEL_TILT:
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wlr_event.source = WLR_AXIS_SOURCE_WHEEL_TILT;
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break;
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}
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const enum libinput_pointer_axis axes[] = {
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LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
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LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
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};
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for (size_t i = 0; i < sizeof(axes) / sizeof(axes[0]); ++i) {
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if (!libinput_event_pointer_has_axis(pevent, axes[i])) {
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continue;
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}
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switch (axes[i]) {
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case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
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wlr_event.orientation = WLR_AXIS_ORIENTATION_VERTICAL;
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break;
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case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
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wlr_event.orientation = WLR_AXIS_ORIENTATION_HORIZONTAL;
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break;
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}
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wlr_event.delta =
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libinput_event_pointer_get_axis_value(pevent, axes[i]);
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wlr_event.delta_discrete =
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libinput_event_pointer_get_axis_value_discrete(pevent, axes[i]);
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wlr_event.delta_discrete *= WLR_POINTER_AXIS_DISCRETE_STEP;
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wl_signal_emit_mutable(&pointer->events.axis, &wlr_event);
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}
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wl_signal_emit_mutable(&pointer->events.frame, pointer);
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}
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#if HAVE_LIBINPUT_SCROLL_VALUE120
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void handle_pointer_axis_value120(struct libinput_event *event,
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struct wlr_pointer *pointer, enum wlr_axis_source source) {
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struct libinput_event_pointer *pevent =
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libinput_event_get_pointer_event(event);
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struct wlr_pointer_axis_event wlr_event = { 0 };
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wlr_event.pointer = pointer;
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wlr_event.time_msec =
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usec_to_msec(libinput_event_pointer_get_time_usec(pevent));
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wlr_event.source = source;
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const enum libinput_pointer_axis axes[] = {
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LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL,
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LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL,
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};
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for (size_t i = 0; i < sizeof(axes) / sizeof(axes[0]); ++i) {
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if (!libinput_event_pointer_has_axis(pevent, axes[i])) {
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continue;
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}
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switch (axes[i]) {
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case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
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wlr_event.orientation = WLR_AXIS_ORIENTATION_VERTICAL;
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break;
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case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
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wlr_event.orientation = WLR_AXIS_ORIENTATION_HORIZONTAL;
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break;
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}
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wlr_event.delta =
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libinput_event_pointer_get_scroll_value(pevent, axes[i]);
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if (source == WLR_AXIS_SOURCE_WHEEL) {
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wlr_event.delta_discrete =
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libinput_event_pointer_get_scroll_value_v120(pevent, axes[i]);
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}
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wl_signal_emit_mutable(&pointer->events.axis, &wlr_event);
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}
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wl_signal_emit_mutable(&pointer->events.frame, pointer);
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}
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#endif
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void handle_pointer_swipe_begin(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_swipe_begin_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.fingers = libinput_event_gesture_get_finger_count(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.swipe_begin, &wlr_event);
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}
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void handle_pointer_swipe_update(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_swipe_update_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.fingers = libinput_event_gesture_get_finger_count(gevent),
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.dx = libinput_event_gesture_get_dx(gevent),
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.dy = libinput_event_gesture_get_dy(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.swipe_update, &wlr_event);
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}
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void handle_pointer_swipe_end(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_swipe_end_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.cancelled = libinput_event_gesture_get_cancelled(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.swipe_end, &wlr_event);
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}
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void handle_pointer_pinch_begin(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_pinch_begin_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.fingers = libinput_event_gesture_get_finger_count(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.pinch_begin, &wlr_event);
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}
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void handle_pointer_pinch_update(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_pinch_update_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.fingers = libinput_event_gesture_get_finger_count(gevent),
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.dx = libinput_event_gesture_get_dx(gevent),
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.dy = libinput_event_gesture_get_dy(gevent),
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.scale = libinput_event_gesture_get_scale(gevent),
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.rotation = libinput_event_gesture_get_angle_delta(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.pinch_update, &wlr_event);
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}
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void handle_pointer_pinch_end(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_pinch_end_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.cancelled = libinput_event_gesture_get_cancelled(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.pinch_end, &wlr_event);
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}
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void handle_pointer_hold_begin(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_hold_begin_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.fingers = libinput_event_gesture_get_finger_count(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.hold_begin, &wlr_event);
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}
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void handle_pointer_hold_end(struct libinput_event *event,
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struct wlr_pointer *pointer) {
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struct libinput_event_gesture *gevent =
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libinput_event_get_gesture_event(event);
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struct wlr_pointer_hold_end_event wlr_event = {
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.pointer = pointer,
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.time_msec =
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usec_to_msec(libinput_event_gesture_get_time_usec(gevent)),
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.cancelled = libinput_event_gesture_get_cancelled(gevent),
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};
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wl_signal_emit_mutable(&pointer->events.hold_end, &wlr_event);
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}
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