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#include <assert.h>
#include <libinput.h>
#include <stdlib.h>
#include <wlr/backend/session.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/util/log.h>
#include "backend/libinput.h"
#include "util/signal.h"
struct wlr_touch *libinput_touch_create(
struct libinput_device *libinput_dev) {
assert(libinput_dev);
struct wlr_touch *wlr_touch = calloc(1, sizeof(struct wlr_touch));
if (!wlr_touch) {
wlr_log(L_ERROR, "Unable to allocate wlr_touch");
return NULL;
}
wlr_touch_init(wlr_touch, NULL);
return wlr_touch;
}
void handle_touch_down(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_down wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1);
wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1);
wlr_signal_emit_safe(&wlr_dev->touch->events.down, &wlr_event);
}
void handle_touch_up(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_up wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_signal_emit_safe(&wlr_dev->touch->events.up, &wlr_event);
}
void handle_touch_motion(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_motion wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1);
wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1);
wlr_signal_emit_safe(&wlr_dev->touch->events.motion, &wlr_event);
}
void handle_touch_cancel(struct libinput_event *event,
struct libinput_device *libinput_dev) {
struct wlr_input_device *wlr_dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
if (!wlr_dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_event_touch_cancel wlr_event = { 0 };
wlr_event.device = wlr_dev;
wlr_event.time_msec =
usec_to_msec(libinput_event_touch_get_time_usec(tevent));
wlr_event.touch_id = libinput_event_touch_get_slot(tevent);
wlr_signal_emit_safe(&wlr_dev->touch->events.cancel, &wlr_event);
}
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