improve xdg states handling

diyac.c

@@ -38,6 +38,7 @@ int main(int argc, char *argv[])
     /* The Wayland display is managed by libwayland. It handles accepting
      * clients from the Unix socket, manging Wayland globals, and so on. */
     server.wl_display = wl_display_create();
+    server.wl_event_loop = wl_display_get_event_loop(server.wl_display);
     /* The backend is a wlroots feature which abstracts the underlying input and
      * output hardware. The autocreate option will choose the most suitable
      * backend based on the current environment, such as opening an X11 window