// Copyright 2018 the Charts project authors. Please see the AUTHORS file // for details. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import 'package:flutter/material.dart'; /// A menu drawer supporting toggling theme and performance overlay. class GalleryDrawer extends StatelessWidget { final bool showPerformanceOverlay; final ValueChanged onShowPerformanceOverlayChanged; const GalleryDrawer( {Key? key, required this.showPerformanceOverlay, required this.onShowPerformanceOverlayChanged}) : super(key: key); @override Widget build(BuildContext context) { return Drawer( child: ListView(children: [ // Performance overlay toggle. ListTile( leading: const Icon(Icons.assessment), title: const Text('Performance Overlay'), onTap: () { onShowPerformanceOverlayChanged(!showPerformanceOverlay); }, selected: showPerformanceOverlay, trailing: Checkbox( value: showPerformanceOverlay, onChanged: (bool? value) { onShowPerformanceOverlayChanged(!showPerformanceOverlay); }, ), ), ]), ); } }