Add missing destroy events on automatically destroyed objects

include/wlr/types/wlr_drm_lease_v1.h

@@ -20,6 +20,8 @@ struct wlr_drm_lease_v1_manager {
 	struct wl_display *display;
 
 	struct {
+		struct wl_signal destroy;
+
 		/**
 		 * Upon receiving this signal, call
 		 * wlr_drm_lease_device_v1_grant_lease_request() to grant a lease of the

include/wlr/types/wlr_pointer_constraints_v1.h

@@ -78,6 +78,8 @@ struct wlr_pointer_constraints_v1 {
 	struct wl_list constraints; // wlr_pointer_constraint_v1.link
 
 	struct {
+		struct wl_signal destroy;
+
 		/**
 		 * Called when a new pointer constraint is created.
 		 *

include/wlr/types/wlr_transient_seat_v1.h

@@ -26,6 +26,8 @@ struct wlr_transient_seat_manager_v1 {
 	struct wl_global *global;
 
 	struct {
+		struct wl_signal destroy;
+
 		/**
 		 * Upon receiving this signal, call
 		 * wlr_transient_seat_v1_ready() to pass a newly created seat

include/wlr/types/wlr_xdg_system_bell_v1.h

@@ -15,6 +15,7 @@ struct wlr_xdg_system_bell_v1 {
 	struct wl_global *global;
 
 	struct {
+		struct wl_signal destroy;
 		struct wl_signal ring; // struct wlr_xdg_system_bell_v1_ring_event
 	} events;
 

include/wlr/xwayland/xwayland.h

@@ -51,6 +51,7 @@ struct wlr_xwayland {
 	struct wlr_seat *seat;
 
 	struct {
+		struct wl_signal destroy;
 		struct wl_signal ready;
 		struct wl_signal new_surface; // struct wlr_xwayland_surface
 		struct wl_signal remove_startup_info; // struct wlr_xwayland_remove_startup_info_event

types/wlr_drm_lease_v1.c

@@ -682,6 +682,8 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
 			display_destroy);
 	wlr_log(WLR_DEBUG, "Destroying wlr_drm_lease_v1_manager");
 
+	wl_signal_emit_mutable(&manager->events.destroy, NULL);
+
 	struct wlr_drm_lease_device_v1 *device, *tmp;
 	wl_list_for_each_safe(device, tmp, &manager->devices, link) {
 		drm_lease_device_v1_destroy(device);
@@ -718,6 +720,7 @@ struct wlr_drm_lease_v1_manager *wlr_drm_lease_v1_manager_create(
 	manager->display_destroy.notify = handle_display_destroy;
 	wl_display_add_destroy_listener(display, &manager->display_destroy);
 
+	wl_signal_init(&manager->events.destroy);
 	wl_signal_init(&manager->events.request);
 
 	return manager;

types/wlr_pointer_constraints_v1.c

@@ -322,6 +322,7 @@ static void pointer_constraints_bind(struct wl_client *client, void *data,
 static void handle_display_destroy(struct wl_listener *listener, void *data) {
 	struct wlr_pointer_constraints_v1 *pointer_constraints =
 		wl_container_of(listener, pointer_constraints, display_destroy);
+	wl_signal_emit_mutable(&pointer_constraints->events.destroy, NULL);
 	wl_list_remove(&pointer_constraints->display_destroy.link);
 	wl_global_destroy(pointer_constraints->global);
 	free(pointer_constraints);
@@ -345,6 +346,8 @@ struct wlr_pointer_constraints_v1 *wlr_pointer_constraints_v1_create(
 	pointer_constraints->global = wl_global;
 
 	wl_list_init(&pointer_constraints->constraints);
+
+	wl_signal_init(&pointer_constraints->events.destroy);
 	wl_signal_init(&pointer_constraints->events.new_constraint);
 
 	pointer_constraints->display_destroy.notify = handle_display_destroy;

types/wlr_transient_seat_v1.c

@@ -114,7 +114,7 @@ static const struct ext_transient_seat_manager_v1_interface manager_impl = {
 static void handle_display_destroy(struct wl_listener *listener, void *data) {
 	struct wlr_transient_seat_manager_v1 *manager =
 		wl_container_of(listener, manager, display_destroy);
-
+	wl_signal_emit_mutable(&manager->events.destroy, NULL);
 	wl_list_remove(&manager->display_destroy.link);
 	wl_global_destroy(manager->global);
 	free(manager);
@@ -154,6 +154,7 @@ struct wlr_transient_seat_manager_v1 *wlr_transient_seat_manager_v1_create(
 	manager->display_destroy.notify = handle_display_destroy;
 	wl_display_add_destroy_listener(display, &manager->display_destroy);
 
+	wl_signal_init(&manager->events.destroy);
 	wl_signal_init(&manager->events.create_seat);
 
 	return manager;

types/wlr_xdg_system_bell_v1.c

@@ -51,6 +51,7 @@ static void bell_bind(struct wl_client *client, void *data,
 
 static void handle_display_destroy(struct wl_listener *listener, void *data) {
 	struct wlr_xdg_system_bell_v1 *bell = wl_container_of(listener, bell, display_destroy);
+	wl_signal_emit_mutable(&bell->events.destroy, NULL);
 	wl_list_remove(&bell->display_destroy.link);
 	wl_global_destroy(bell->global);
 	free(bell);
@@ -75,6 +76,7 @@ struct wlr_xdg_system_bell_v1 *wlr_xdg_system_bell_v1_create(struct wl_display *
 	bell->display_destroy.notify = handle_display_destroy;
 	wl_display_add_destroy_listener(display, &bell->display_destroy);
 
+	wl_signal_init(&bell->events.destroy);
 	wl_signal_init(&bell->events.ring);
 
 	return bell;

xwayland/xwayland.c

@@ -79,6 +79,8 @@ void wlr_xwayland_destroy(struct wlr_xwayland *xwayland) {
 		return;
 	}
 
+	wl_signal_emit_mutable(&xwayland->events.destroy, NULL);
+
 	wl_list_remove(&xwayland->server_destroy.link);
 	wl_list_remove(&xwayland->server_start.link);
 	wl_list_remove(&xwayland->server_ready.link);
@@ -105,6 +107,7 @@ struct wlr_xwayland *wlr_xwayland_create_with_server(struct wl_display *wl_displ
 	xwayland->wl_display = wl_display;
 	xwayland->compositor = compositor;
 
+	wl_signal_init(&xwayland->events.destroy);
 	wl_signal_init(&xwayland->events.new_surface);
 	wl_signal_init(&xwayland->events.ready);
 	wl_signal_init(&xwayland->events.remove_startup_info);