renaming to Thermion

examples/flutter/example/lib/menus/scene_menu.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+
+import 'package:thermion_flutter/thermion_flutter.dart';
+import 'package:thermion_flutter_example/menus/asset_submenu.dart';
+import 'package:thermion_flutter_example/menus/camera_submenu.dart';
+import 'package:thermion_flutter_example/menus/rendering_submenu.dart';
+
+class SceneMenu extends StatefulWidget {
+  final ThermionFlutterPlugin? controller;
+  final FocusNode sharedFocusNode;
+
+  const SceneMenu(
+      {super.key, required this.controller, required this.sharedFocusNode});
+
+  @override
+  State<StatefulWidget> createState() {
+    return _SceneMenuState();
+  }
+}
+
+class _SceneMenuState extends State<SceneMenu> {
+  @override
+  void didUpdateWidget(SceneMenu oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.controller != null &&
+        (widget.controller != oldWidget.controller)) {
+      setState(() {});
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MenuAnchor(
+      onClose: () {},
+      childFocusNode: widget.sharedFocusNode,
+      menuChildren: widget.controller == null
+          ? []
+          : <Widget>[
+              RenderingSubmenu(
+                controller: widget.controller!,
+              ),
+              AssetSubmenu(controller: widget.controller!),
+              CameraSubmenu(
+                controller: widget.controller!,
+              ),
+            ],
+      builder:
+          (BuildContext context, MenuController controller, Widget? child) {
+        return TextButton(
+          onPressed: () {
+            if (controller.isOpen) {
+              controller.close();
+            } else {
+              controller.open();
+            }
+          },
+          child: const Text("Scene"),
+        );
+      },
+    );
+  }
+}