#2459: test the text-field Undo and Redo labels in the native Edit menu

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01RDvxCS8xcR28VArjzn1x7U

crates/ui-egui/src/native_menu.rs

@@ -745,4 +745,41 @@ mod tests {
         assert!(edits_text("edit.copy") && edits_text("edit.paste"));
         assert!(!edits_text("layer.newNull"));
     }
+    /// #2459: while a text field has the keyboard the Edit menu's Undo and Redo act on the field and
+    /// read plain "Undo" / "Redo"; the project history labels come back once focus leaves.
+    #[test]
+    fn a_focused_text_field_gets_plain_undo_and_redo_labels() {
+        fn label(menu: &NativeMenu, id: &str) -> String {
+            menu.items().into_iter().find(|i| i.command == id).map(|i| i.label.to_string()).unwrap_or_default()
+        }
+        let mut app = app();
+        app.session.execute("layer.newNull", json!({})).unwrap();
+        app.session.execute("layer.newNull", json!({})).unwrap();
+        app.session.execute("edit.undo", json!({})).unwrap();
+        let ctx = egui::Context::default();
+        let history = label(&build_now(&app, &ctx), "edit.undo");
+        let redo_history = label(&build_now(&app, &ctx), "edit.redo");
+        assert!(history.starts_with("Undo") && history != "Undo", "{history}");
+        assert!(redo_history.starts_with("Redo") && redo_history != "Redo", "{redo_history}");
+        let mut text = String::new();
+        let mut id = None;
+        for _ in 0..2 {
+            let mut out = ctx.run_ui(egui::RawInput::default(), |ui| {
+                let r = ui.text_edit_singleline(&mut text);
+                r.request_focus();
+                id = Some(r.id);
+            });
+            out.textures_delta.clear();
+        }
+        assert!(text_field_window(&ctx).is_some());
+        let typing = build_now(&app, &ctx);
+        assert_eq!(label(&typing, "edit.undo"), "Undo");
+        assert_eq!(label(&typing, "edit.redo"), "Redo");
+        assert!(typing.items().into_iter().any(|i| i.command == "edit.undo" && i.enabled));
+        ctx.memory_mut(|m| m.surrender_focus(id.unwrap_or(egui::Id::NULL)));
+        assert!(text_field_window(&ctx).is_none());
+        let after = build_now(&app, &ctx);
+        assert_eq!(label(&after, "edit.undo"), history);
+        assert_eq!(label(&after, "edit.redo"), redo_history);
+    }
 }