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path: root/backend/libinput/keyboard.c
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#include <stdlib.h>
#include <assert.h>
#include <libinput.h>
#include <wlr/backend/session.h>
#include <wlr/types/wlr_input_device.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/util/log.h>
#include "backend/libinput.h"

struct wlr_keyboard_state {
	struct libinput_device *device;
};

static void wlr_libinput_keyboard_set_leds(struct wlr_keyboard_state *kbstate, uint32_t leds) {
	libinput_device_led_update(kbstate->device, leds);
}

static void wlr_libinput_keyboard_destroy(struct wlr_keyboard_state *kbstate) {
	libinput_device_unref(kbstate->device);
	free(kbstate);
}

struct wlr_keyboard_impl impl = {
	.destroy = wlr_libinput_keyboard_destroy,
	.led_update = wlr_libinput_keyboard_set_leds
};

struct wlr_keyboard *wlr_libinput_keyboard_create(
		struct libinput_device *device) {
	assert(device);
	struct wlr_keyboard_state *kbstate = calloc(1, sizeof(struct wlr_keyboard_state));
	kbstate->device = device;
	libinput_device_ref(device);
	libinput_device_led_update(device, 0);
	return wlr_keyboard_create(&impl, kbstate);
}

void handle_keyboard_key(struct libinput_event *event,
		struct libinput_device *device) {
	struct wlr_input_device *dev =
		get_appropriate_device(WLR_INPUT_DEVICE_KEYBOARD, device);
	if (!dev) {
		wlr_log(L_DEBUG, "Got a keyboard event for a device with no keyboards?");
		return;
	}
	struct libinput_event_keyboard *kbevent =
		libinput_event_get_keyboard_event(event);
	struct wlr_event_keyboard_key wlr_event = { 0 };
	wlr_event.time_sec = libinput_event_keyboard_get_time(kbevent);
	wlr_event.time_usec = libinput_event_keyboard_get_time_usec(kbevent);
	wlr_event.keycode = libinput_event_keyboard_get_key(kbevent);
	enum libinput_key_state state = 
		libinput_event_keyboard_get_key_state(kbevent);
	switch (state) {
	case LIBINPUT_KEY_STATE_RELEASED:
		wlr_event.state = WLR_KEY_RELEASED;
		break;
	case LIBINPUT_KEY_STATE_PRESSED:
		wlr_event.state = WLR_KEY_PRESSED;
		break;
	}
	wl_signal_emit(&dev->keyboard->events.key, &wlr_event);
}