Listen to display destroy in xdg-shell-v6

include/wlr/types/wlr_xdg_shell_v6.h

@@ -11,6 +11,8 @@ struct wlr_xdg_shell_v6 {
 	struct wl_list popup_grabs;
 	uint32_t ping_timeout;
 
+	struct wl_listener display_destroy;
+
 	struct {
 		struct wl_signal new_surface;
 	} events;

types/wlr_xdg_shell_v6.c

@@ -1250,6 +1250,12 @@ static void xdg_shell_bind(struct wl_client *wl_client, void *data,
 	}
 }
 
+static void handle_display_destroy(struct wl_listener *listener, void *data) {
+	struct wlr_xdg_shell_v6 *xdg_shell =
+		wl_container_of(listener, xdg_shell, display_destroy);
+	wlr_xdg_shell_v6_destroy(xdg_shell);
+}
+
 struct wlr_xdg_shell_v6 *wlr_xdg_shell_v6_create(struct wl_display *display) {
 	struct wlr_xdg_shell_v6 *xdg_shell =
 		calloc(1, sizeof(struct wlr_xdg_shell_v6));
@@ -1272,6 +1278,9 @@ struct wlr_xdg_shell_v6 *wlr_xdg_shell_v6_create(struct wl_display *display) {
 
 	wl_signal_init(&xdg_shell->events.new_surface);
 
+	xdg_shell->display_destroy.notify = handle_display_destroy;
+	wl_display_add_destroy_listener(display, &xdg_shell->display_destroy);
+
 	return xdg_shell;
 }
 
@@ -1279,8 +1288,8 @@ void wlr_xdg_shell_v6_destroy(struct wlr_xdg_shell_v6 *xdg_shell) {
 	if (!xdg_shell) {
 		return;
 	}
-	// TODO: this segfault (wl_display->registry_resource_list is not init)
-	// wl_global_destroy(xdg_shell->wl_global);
+	wl_list_remove(&xdg_shell->display_destroy.link);
+	wl_global_destroy(xdg_shell->wl_global);
 	free(xdg_shell);
 }