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#include <assert.h>
#include <libinput.h>
#include <wlr/interfaces/wlr_touch.h>
#include "backend/libinput.h"
const struct wlr_touch_impl libinput_touch_impl = {
.name = "libinput-touch",
};
void init_device_touch(struct wlr_libinput_input_device *dev) {
const char *name = libinput_device_get_name(dev->handle);
struct wlr_touch *wlr_touch = &dev->touch;
wlr_touch_init(wlr_touch, &libinput_touch_impl, name);
wlr_touch->base.vendor = libinput_device_get_id_vendor(dev->handle);
wlr_touch->base.product = libinput_device_get_id_product(dev->handle);
libinput_device_get_size(dev->handle, &wlr_touch->width_mm,
&wlr_touch->height_mm);
}
struct wlr_libinput_input_device *device_from_touch(
struct wlr_touch *wlr_touch) {
assert(wlr_touch->impl == &libinput_touch_impl);
struct wlr_libinput_input_device *dev =
wl_container_of(wlr_touch, dev, touch);
return dev;
}
void handle_touch_down(struct libinput_event *event,
struct wlr_touch *touch) {
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_down_event wlr_event = { 0 };
wlr_event.touch = touch;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.touch_id = libinput_event_touch_get_seat_slot(tevent);
wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1);
wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1);
wl_signal_emit_mutable(&touch->events.down, &wlr_event);
}
void handle_touch_up(struct libinput_event *event,
struct wlr_touch *touch) {
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_up_event wlr_event = {
.touch = touch,
.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
.touch_id = libinput_event_touch_get_seat_slot(tevent),
};
wl_signal_emit_mutable(&touch->events.up, &wlr_event);
}
void handle_touch_motion(struct libinput_event *event,
struct wlr_touch *touch) {
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_motion_event wlr_event = {
.touch = touch,
.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
.touch_id = libinput_event_touch_get_seat_slot(tevent),
.x = libinput_event_touch_get_x_transformed(tevent, 1),
.y = libinput_event_touch_get_y_transformed(tevent, 1),
};
wl_signal_emit_mutable(&touch->events.motion, &wlr_event);
}
void handle_touch_cancel(struct libinput_event *event,
struct wlr_touch *touch) {
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_cancel_event wlr_event = {
.touch = touch,
.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
.touch_id = libinput_event_touch_get_seat_slot(tevent),
};
wl_signal_emit_mutable(&touch->events.cancel, &wlr_event);
}
void handle_touch_frame(struct libinput_event *event,
struct wlr_touch *touch) {
wl_signal_emit_mutable(&touch->events.frame, NULL);
}
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