263 lines
9.6 KiB
C
263 lines
9.6 KiB
C
#include <assert.h>
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#include <libinput.h>
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#include <stdlib.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/wlr_pointer.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/util/log.h>
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#include "backend/libinput.h"
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#include "util/signal.h"
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struct wlr_pointer *create_libinput_pointer(
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struct libinput_device *libinput_dev) {
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assert(libinput_dev);
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struct wlr_pointer *wlr_pointer = calloc(1, sizeof(struct wlr_pointer));
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if (!wlr_pointer) {
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wlr_log(WLR_ERROR, "Unable to allocate wlr_pointer");
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return NULL;
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}
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wlr_pointer_init(wlr_pointer, NULL);
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return wlr_pointer;
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}
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void handle_pointer_motion(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer event for a device with no pointers?");
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return;
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}
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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_event_pointer_motion wlr_event = { 0 };
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wlr_event.device = wlr_dev;
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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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wlr_signal_emit_safe(&wlr_dev->pointer->events.motion, &wlr_event);
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wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
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}
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void handle_pointer_motion_abs(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer event for a device with no pointers?");
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return;
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}
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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_event_pointer_motion_absolute wlr_event = { 0 };
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wlr_event.device = wlr_dev;
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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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wlr_signal_emit_safe(&wlr_dev->pointer->events.motion_absolute, &wlr_event);
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wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
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}
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void handle_pointer_button(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer event for a device with no pointers?");
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return;
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}
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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_event_pointer_button wlr_event = { 0 };
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wlr_event.device = wlr_dev;
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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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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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break;
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case LIBINPUT_BUTTON_STATE_RELEASED:
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wlr_event.state = WLR_BUTTON_RELEASED;
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break;
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}
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wlr_signal_emit_safe(&wlr_dev->pointer->events.button, &wlr_event);
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wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
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}
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void handle_pointer_axis(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer event for a device with no pointers?");
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return;
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}
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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_event_pointer_axis wlr_event = { 0 };
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wlr_event.device = wlr_dev;
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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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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_signal_emit_safe(&wlr_dev->pointer->events.axis, &wlr_event);
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}
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}
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wlr_signal_emit_safe(&wlr_dev->pointer->events.frame, wlr_dev->pointer);
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}
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void handle_pointer_swipe_begin(struct libinput_event *event,
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struct libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_swipe_begin wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_swipe_update wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_swipe_end wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_pinch_begin wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_pinch_update wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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struct wlr_input_device *wlr_dev =
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get_appropriate_device(WLR_INPUT_DEVICE_POINTER, libinput_dev);
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if (!wlr_dev) {
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wlr_log(WLR_DEBUG, "Got a pointer gesture event for a device with no pointers?");
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return;
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}
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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_event_pointer_pinch_end wlr_event = {
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.device = wlr_dev,
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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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wlr_signal_emit_safe(&wlr_dev->pointer->events.pinch_end, &wlr_event);
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}
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