Continue wayland backend update

Update wayland backend to new api.
Start to use the input interfaces.
Compiling now, not tested.

4 files changed, 145 insertions, 83 deletions

diff --git a/backend/wayland/backend.c b/backend/wayland/backend.c
index dec559f3..53a96696 100644
--- a/backend/wayland/backend.c
+++ b/backend/wayland/backend.c
@@ -3,6 +3,7 @@
 #include <wayland-server.h>
 #include <assert.h>
 #include <wlr/backend/interface.h>
+#include <wlr/types.h>
 #include "backend/wayland.h"
 #include "common/log.h"
 
@@ -34,12 +35,12 @@ static void wlr_wl_backend_destroy(struct wlr_backend_state *state) {
 
 	// TODO: Free surfaces
 	for (size_t i = 0; state->outputs && i < state->outputs->length; ++i) {
-		struct wlr_wl_output *output = state->outputs->items[i];
-		wlr_wl_output_free(output);
+		struct wlr_output *output = state->outputs->items[i];
+		wlr_output_destroy(output);
 	}
 
 	list_free(state->outputs);
-	if (state->seat) wlr_wl_seat_free(state->seat);
+	if (state->seat) wl_seat_destroy(state->seat);
 	if (state->shm) wl_shm_destroy(state->shm);
 	if (state->shell) wl_shell_destroy(state->shell);
 	if (state->compositor) wl_compositor_destroy(state->compositor);
@@ -74,7 +75,9 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
 		wlr_log(L_ERROR, "Could not allocate output list");
 		goto error;
 	}
+
 	state->local_display = display;
+	state->backend = backend;
 
 	return backend;
 
diff --git a/backend/wayland/registry.c b/backend/wayland/registry.c
index 4a639f62..66ea4b72 100644
--- a/backend/wayland/registry.c
+++ b/backend/wayland/registry.c
@@ -2,77 +2,91 @@
 #include <stdlib.h>
 #include <string.h>
 #include <wayland-client.h>
+#include <wlr/types.h>
+#include "types.h"
 #include "backend/wayland.h"
 #include "common/log.h"
 
-static void registry_wl_seat(struct wlr_wl_backend *backend,
-		struct wl_seat *wl_seat, struct wl_registry *registry, uint32_t version) {
-	struct wlr_wl_seat *seat;
-	if (!(seat = calloc(sizeof(struct wlr_wl_seat), 1))) {
-		wlr_log(L_ERROR, "Failed to allocate wlr_wl_seat");
-		goto error;
-	}
-	if (!(seat->keyboards = list_create())) {
-		wlr_log(L_ERROR, "Failed to allocate wlr_wl_seat");
-		goto error;
-	}
-	if (!(seat->pointers = list_create())) {
-		wlr_log(L_ERROR, "Failed to allocate wlr_wl_pointer");
-		goto error;
-	}
-	seat->wl_seat = wl_seat;
-	wl_seat_set_user_data(wl_seat, backend);
-	wl_seat_add_listener(wl_seat, &seat_listener, seat);
-	return;
-error:
-	wlr_wl_seat_free(seat);
-	return;
+// TODO
+static void wlr_wl_output_enable(struct wlr_output_state *output, bool enable) {
+}
+
+static bool wlr_wl_output_set_mode(struct wlr_output_state *output,
+		struct wlr_output_mode *mode) {
+	return false;
+}
+
+static void wlr_wl_output_transform(struct wlr_output_state *output,
+		enum wl_output_transform transform) {
+}
+
+static bool wlr_wl_output_set_cursor(struct wlr_output_state *output,
+		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height) {
+	return false;
 }
 
-static void registry_wl_output(struct wlr_wl_backend *backend,
-		struct wl_output *wl_output, struct wl_registry *registry, uint32_t version) {
-	struct wlr_wl_output *output;
-	if (!(output = calloc(sizeof(struct wlr_wl_output), 1))) {
+static bool wlr_wl_output_move_cursor(struct wlr_output_state *output,
+		int x, int y) {
+	return false;
+}
+
+static void wlr_wl_output_destroy(struct wlr_output_state *output) {
+	free(output);
+}
+
+static struct wlr_output_impl output_impl = {
+	.enable = wlr_wl_output_enable,
+	.set_mode = wlr_wl_output_set_mode,
+	.transform = wlr_wl_output_transform,
+	.set_cursor = wlr_wl_output_set_cursor,
+	.move_cursor = wlr_wl_output_move_cursor,
+	.destroy = wlr_wl_output_destroy,
+};
+
+static void registry_wl_output(struct wlr_backend_state *state,
+	struct wl_output *wl_output, struct wl_registry *registry, uint32_t version) {
+	struct wlr_output_state *output;
+	if (!(output = calloc(sizeof(struct wlr_output_state), 1))) {
 		wlr_log(L_ERROR, "Failed to allocate wlr_wl_output");
-		goto error;
+		return;
 	}
-	if (!(output->modes = list_create())) {
-		wlr_log(L_ERROR, "Failed to allocate wlr_wl_output");
-		goto error;
+
+	struct wlr_output *wlr_output = wlr_output_create(&output_impl, output);
+	if (!wlr_output) {
+		free(state);
+		wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+		return;
 	}
-	output->wl_output = wl_output;
-	output->scale = 1;
-	list_add(backend->outputs, output);
-	wl_output_set_user_data(wl_output, backend);
+
+	output->output = wl_output;
+	list_add(state->outputs, output);
 	wl_output_add_listener(wl_output, &output_listener, output);
-	return;
-error:
-	wlr_wl_output_free(output);
+	wl_signal_emit(&state->backend->events.output_add, wlr_output);
 	return;
 }
 
 static void registry_global(void *data, struct wl_registry *registry,
 		uint32_t name, const char *interface, uint32_t version) {
-	struct wlr_wl_backend *backend = data;
+	struct wlr_backend_state *state = data;
 	wlr_log(L_DEBUG, "Remote wayland global: %s v%d", interface, version);
 
 	if (strcmp(interface, wl_compositor_interface.name) == 0) {
-		backend->compositor = wl_registry_bind(registry, name,
+		state->compositor = wl_registry_bind(registry, name,
 				&wl_compositor_interface, version);
 	} else if (strcmp(interface, wl_shell_interface.name) == 0) {
-		backend->shell = wl_registry_bind(registry, name,
+		state->shell = wl_registry_bind(registry, name,
 				&wl_shell_interface, version);
 	} else if (strcmp(interface, wl_shm_interface.name) == 0) {
-		backend->shm = wl_registry_bind(registry, name,
+		state->shm = wl_registry_bind(registry, name,
 				&wl_shm_interface, version);
 	} else if (strcmp(interface, wl_seat_interface.name) == 0) {
-		struct wl_seat *wl_seat = wl_registry_bind(registry, name,
+		state->seat = wl_registry_bind(registry, name,
 				&wl_seat_interface, version);
-		registry_wl_seat(backend, wl_seat, registry, version);
+		wl_seat_add_listener(state->seat, &seat_listener, state);
 	} else if (strcmp(interface, wl_output_interface.name) == 0) {
 		struct wl_output *wl_output = wl_registry_bind(registry, name,
 				&wl_output_interface, version);
-		registry_wl_output(backend, wl_output, registry, version);
+		registry_wl_output(state, wl_output, registry, version);
 	}
 }
 
@@ -86,8 +100,8 @@ static const struct wl_registry_listener registry_listener = {
 	.global_remove = registry_global_remove
 };
 
-void wlr_wlb_registry_poll(struct wlr_wl_backend *backend) {
-	wl_registry_add_listener(backend->registry, &registry_listener, backend);
-	wl_display_dispatch(backend->remote_display);
-	wl_display_roundtrip(backend->remote_display);
+void wlr_wlb_registry_poll(struct wlr_backend_state *state) {
+	wl_registry_add_listener(state->registry, &registry_listener, state);
+	wl_display_dispatch(state->remote_display);
+	wl_display_roundtrip(state->remote_display);
 }
diff --git a/backend/wayland/wl_output.c b/backend/wayland/wl_output.c
index cc4e9cce..b3ad575a 100644
--- a/backend/wayland/wl_output.c
+++ b/backend/wayland/wl_output.c
@@ -4,23 +4,27 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <wayland-client.h>
+#include <wlr/types.h>
+#include "types.h"
 #include "backend/wayland.h"
 #include "common/log.h"
 
 static void wl_output_handle_mode(void *data, struct wl_output *wl_output,
 		     uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
-	struct wlr_wl_output *output = data;
-	assert(output->wl_output == wl_output);
-	struct wlr_wl_output_mode *mode;
-	if (!(mode = calloc(sizeof(struct wlr_wl_output_mode), 1))) {
-		wlr_log(L_ERROR, "Failed to allocate wlr_wl_output_mode");
+	struct wlr_output *output = data;
+	assert(output->state->output == wl_output);
+	struct wlr_output_mode *mode;
+	if (!(mode = calloc(sizeof(struct wlr_output_mode), 1))) {
+		wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
 		return;
 	}
+
 	mode->flags = flags;
 	mode->width = width;
 	mode->height = height;
 	mode->refresh = refresh;
 	list_add(output->modes, mode);
+
 	wlr_log(L_DEBUG, "Got mode for output %p: %dx%d @ %.2fHz%s%s",
 			wl_output, width, height, refresh / 1000.0,
 			(flags & WL_OUTPUT_MODE_PREFERRED) ? " (preferred)" : "",
@@ -30,15 +34,18 @@ static void wl_output_handle_mode(void *data, struct wl_output *wl_output,
 static void wl_output_handle_geometry(void *data, struct wl_output *wl_output,
 			 int32_t x, int32_t y, int32_t physical_width, int32_t physical_height,
 			 int32_t subpixel, const char *make, const char *model, int32_t transform) {
-	struct wlr_wl_output *output = data;
-	assert(output->wl_output == wl_output);
-	output->x = x;
-	output->y = y;
+	struct wlr_output *output = data;
+	assert(output->state->output == wl_output);
+
+	// TODO
+	// output->x = x;
+	// output->y = y;
+
 	output->phys_width = physical_width;
 	output->phys_height = physical_height;
 	output->subpixel = subpixel;
-	output->make = strdup(make);
-	output->model = strdup(model);
+	strncpy(output->make, make, sizeof(output->make));
+	strncpy(output->model, model, sizeof(output->model));
 	output->transform = transform;
 	wlr_log(L_DEBUG, "Got info for output %p %dx%d (%dmm x %dmm) %s %s",
 			wl_output, (int)x, (int)y, (int)physical_width, (int)physical_height,
@@ -46,8 +53,8 @@ static void wl_output_handle_geometry(void *data, struct wl_output *wl_output,
 }
 
 static void wl_output_handle_scale(void *data, struct wl_output *wl_output, int32_t factor) {
-	struct wlr_wl_output *output = data;
-	assert(output->wl_output == wl_output);
+	struct wlr_output *output = data;
+	assert(output->state->output == wl_output);
 	output->scale = factor;
 	wlr_log(L_DEBUG, "Got scale factor for output %p: %d", wl_output, factor);
 }
diff --git a/backend/wayland/wl_seat.c b/backend/wayland/wl_seat.c
index bc2b21a8..d56f7d74 100644
--- a/backend/wayland/wl_seat.c
+++ b/backend/wayland/wl_seat.c
@@ -4,49 +4,87 @@
 #include <stdint.h>
 #include <string.h>
 #include <wayland-client.h>
+#include <wlr/types.h>
+#include "types.h"
 #include "backend/wayland.h"
 #include "common/log.h"
 
+static void wlr_wl_device_destroy(struct wlr_input_device_state *state) {
+	free(state);
+}
+
+static struct wlr_input_device_impl input_device_impl = {
+	.destroy = wlr_wl_device_destroy
+};
+
+static struct wlr_input_device *allocate_device(struct wlr_backend_state *state,
+		enum wlr_input_device_type type) {
+	struct wlr_input_device_state *devstate =
+		calloc(1, sizeof(struct wlr_input_device_state));
+	if(!devstate) {
+		wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno));
+		return NULL;
+	}
+
+	// TODO: any way to retrieve those information?
+	int vendor = 0;
+	int product = 0;
+	const char *name = "unknown;wayland";
+	struct wlr_input_device *wlr_device = wlr_input_device_create(
+		type, &input_device_impl, devstate,
+		name, vendor, product);
+	if(!wlr_device) {
+		free(devstate);
+		return NULL;
+	}
+
+	list_add(state->devices, wlr_device);
+	return wlr_device;
+}
+
 static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
 		enum wl_seat_capability caps) {
-	struct wlr_wl_seat *seat = data;
-	assert(seat->wl_seat == wl_seat);
-	struct wlr_wl_backend *backend = wl_seat_get_user_data(wl_seat);
-	assert(backend);
+	struct wlr_backend_state *state = data;
+	assert(state->seat == wl_seat);
 
+	// TODO: add listeners and receive input
 	if ((caps & WL_SEAT_CAPABILITY_POINTER)) {
 		wlr_log(L_DEBUG, "seat %p offered pointer", wl_seat);
 		struct wl_pointer *wl_pointer = wl_seat_get_pointer(wl_seat);
-		struct wlr_wl_pointer *pointer;
-		if (!(pointer = calloc(sizeof(struct wlr_wl_pointer), 1))) {
+
+		struct wlr_input_device *wlr_device = allocate_device(state,
+			WLR_INPUT_DEVICE_POINTER);
+		if(!wlr_device) {
 			wl_pointer_destroy(wl_pointer);
-			wlr_log(L_ERROR, "Unable to allocate wlr_wl_pointer");
+			wlr_log(L_ERROR, "Unable to allocate wl_pointer device");
 			return;
 		}
-		pointer->wl_pointer = wl_pointer;
-		//wl_pointer_add_listener(wl_pointer, &pointer_listener, backend->registry); TODO
-	}
 
+		wlr_device->pointer = wlr_pointer_create(NULL, NULL);
+		wl_signal_emit(&state->backend->events.input_add, wlr_device);
+	}
 	if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
 		wlr_log(L_DEBUG, "seat %p offered keyboard", wl_seat);
 		struct wl_keyboard *wl_keyboard = wl_seat_get_keyboard(wl_seat);
-		struct wlr_wl_keyboard *keyboard;
-		if (!(keyboard = calloc(sizeof(struct wlr_wl_pointer), 1))) {
-			wl_keyboard_destroy(wl_keyboard);
-			wlr_log(L_ERROR, "Unable to allocate wlr_wl_keyboard");
+		struct wlr_input_device *wlr_device = allocate_device(state,
+			WLR_INPUT_DEVICE_KEYBOARD);
+		if(!wlr_device) {
+			wl_keyboard_release(wl_keyboard);
+			wlr_log(L_ERROR, "Unable to allocate wl_pointer device");
 			return;
 		}
-		keyboard->wl_keyboard = wl_keyboard;
-		//wl_keyboard_add_listener(wl_keyboard, &keyboard_listener, backend->registry); TODO
+
+		wlr_device->keyboard = wlr_keyboard_create(NULL, NULL);
+		wl_signal_emit(&state->backend->events.input_add, wlr_device);
 	}
 
 	// TODO: touch
 }
 
 static void seat_handle_name(void *data, struct wl_seat *wl_seat, const char *name) {
-	struct wlr_wl_seat *seat = data;
-	assert(seat->wl_seat == wl_seat);
-	seat->name = strdup(name);
+	struct wlr_backend_state *state = data;
+	assert(state->seat == wl_seat);
+	state->seatName = strdup(name);
 }
 
 const struct wl_seat_listener seat_listener = {