track if a popup has been committed

src/wayland/shell/xdg/mod.rs

@@ -383,6 +383,14 @@ xdg_role!(
         /// It is a protocol error to call commit on a wl_surface with
         /// the xdg_popup role when no parent is set.
         pub parent: Option<wl_surface::WlSurface>,
+
+        /// Defines if the surface has received at least one commit
+        ///
+        /// This can be used to check for protocol errors, like
+        /// checking if a popup requested a grab after it has been
+        /// mapped.
+        pub committed: bool,
+
         popup_handle: Option<xdg_popup::XdgPopup>
     }
 );
@@ -1399,6 +1407,7 @@ impl PopupSurface {
                 .unwrap()
                 .lock()
                 .unwrap();
+            attributes.committed = true;
             if attributes.initial_configure_sent {
                 if let Some(state) = attributes.last_acked {
                     if state != attributes.current {