Refactor out wlr_keyboard_state

backend/libinput/keyboard.c

@@ -7,17 +7,21 @@
 #include <wlr/util/log.h>
 #include "backend/libinput.h"
 
-struct wlr_keyboard_state {
+struct wlr_libinput_keyboard {
+	struct wlr_keyboard wlr_keyboard;
 	struct libinput_device *libinput_dev;
 };
 
-static void wlr_libinput_keyboard_set_leds(struct wlr_keyboard_state *kbstate, uint32_t leds) {
-	libinput_device_led_update(kbstate->libinput_dev, leds);
+static void wlr_libinput_keyboard_set_leds(struct wlr_keyboard *wlr_kb, uint32_t leds) {
+	struct wlr_libinput_keyboard *wlr_libinput_kb = (struct wlr_libinput_keyboard *)wlr_kb;
+	libinput_device_led_update(wlr_libinput_kb->libinput_dev, leds);
 }
 
-static void wlr_libinput_keyboard_destroy(struct wlr_keyboard_state *kbstate) {
-	libinput_device_unref(kbstate->libinput_dev);
-	free(kbstate);
+static void wlr_libinput_keyboard_destroy(struct wlr_keyboard *wlr_kb) {
+	struct wlr_libinput_keyboard *wlr_libinput_kb =
+		(struct wlr_libinput_keyboard *)wlr_kb;
+	libinput_device_unref(wlr_libinput_kb->libinput_dev);
+	free(wlr_libinput_kb);
 }
 
 struct wlr_keyboard_impl impl = {
@@ -28,11 +32,14 @@ struct wlr_keyboard_impl impl = {
 struct wlr_keyboard *wlr_libinput_keyboard_create(
 		struct libinput_device *libinput_dev) {
 	assert(libinput_dev);
-	struct wlr_keyboard_state *kbstate = calloc(1, sizeof(struct wlr_keyboard_state));
-	kbstate->libinput_dev = libinput_dev;
+	struct wlr_libinput_keyboard *wlr_libinput_kb =
+		calloc(1, sizeof(struct wlr_libinput_keyboard));
+	wlr_libinput_kb->libinput_dev = libinput_dev;
 	libinput_device_ref(libinput_dev);
 	libinput_device_led_update(libinput_dev, 0);
-	return wlr_keyboard_create(&impl, kbstate);
+	struct wlr_keyboard *wlr_kb = &wlr_libinput_kb->wlr_keyboard;
+	wlr_keyboard_init(wlr_kb, &impl);
+	return wlr_kb;
 }
 
 void handle_keyboard_key(struct libinput_event *event,

backend/wayland/wl_seat.c

@@ -237,12 +237,18 @@ static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
 			wlr_log(L_ERROR, "Unable to allocate wl_pointer device");
 			return;
 		}
+		wlr_device->keyboard = calloc(1, sizeof(struct wlr_keyboard));
+		if (!wlr_device->keyboard) {
+			free(wlr_device);
+			wlr_log(L_ERROR, "Unable to allocate wlr keyboard");
+			return;
+		}
+		wlr_keyboard_init(wlr_device->keyboard, NULL);
 		struct wlr_wl_input_device *wlr_wl_device =
 			(struct wlr_wl_input_device *)wlr_device;
 
 		struct wl_keyboard *wl_keyboard = wl_seat_get_keyboard(wl_seat);
 		wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, wlr_device);
-		wlr_device->keyboard = wlr_keyboard_create(NULL, NULL);
 		wlr_wl_device->resource = wl_keyboard;
 		wl_signal_emit(&backend->backend.events.input_add, wlr_device);
 	}

include/wlr/interfaces/wlr_keyboard.h

@@ -4,12 +4,11 @@
 #include <stdint.h>
 
 struct wlr_keyboard_impl {
-	void (*destroy)(struct wlr_keyboard_state *state);
-	void (*led_update)(struct wlr_keyboard_state *state, uint32_t leds);
+	void (*destroy)(struct wlr_keyboard *keyboard);
+	void (*led_update)(struct wlr_keyboard *keyboard, uint32_t leds);
 };
 
-struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
-		struct wlr_keyboard_state *state);
+void wlr_keyboard_init(struct wlr_keyboard *keyboard, struct wlr_keyboard_impl *impl);
 void wlr_keyboard_destroy(struct wlr_keyboard *keyboard);
 
 #endif

include/wlr/types/wlr_keyboard.h

@@ -10,11 +10,9 @@ enum WLR_KEYBOARD_LED {
 	WLR_LED_LAST
 };
 
-struct wlr_keyboard_state;
 struct wlr_keyboard_impl;
 
 struct wlr_keyboard {
-	struct wlr_keyboard_state *state;
 	struct wlr_keyboard_impl *impl;
 
 	struct {

types/wlr_keyboard.c

@@ -4,25 +4,23 @@
 #include <wlr/types/wlr_keyboard.h>
 #include <wlr/interfaces/wlr_keyboard.h>
 
-struct wlr_keyboard *wlr_keyboard_create(struct wlr_keyboard_impl *impl,
-		struct wlr_keyboard_state *state) {
-	struct wlr_keyboard *kb = calloc(1, sizeof(struct wlr_keyboard));
+void wlr_keyboard_init(struct wlr_keyboard *kb,
+		struct wlr_keyboard_impl *impl) {
 	kb->impl = impl;
-	kb->state = state;
 	wl_signal_init(&kb->events.key);
-	return kb;
 }
 
 void wlr_keyboard_destroy(struct wlr_keyboard *kb) {
 	if (!kb) return;
-	if (kb->impl) {
-		kb->impl->destroy(kb->state);
+	if (kb->impl && kb->impl->destroy) {
+		kb->impl->destroy(kb);
+	} else {
+		free(kb);
 	}
-	free(kb);
 }
 
 void wlr_keyboard_led_update(struct wlr_keyboard *kb, uint32_t leds) {
-	if (kb->impl) {
-		kb->impl->led_update(kb->state, leds);
+	if (kb->impl && kb->impl->led_update) {
+		kb->impl->led_update(kb, leds);
 	}
 }