Flutter:在CustomPainter对象上检测触摸进入、移动和退出的正确方法是什么

import 'package:flutter/material.dart';

class MyCustomPainter extends CustomPainter {
  @override
  void paint(Canvas canvas, Size size) {
    // 绘制自定义图形
  }

  @override
  bool shouldRepaint(CustomPainter oldDelegate) {
    return false;
  }
}

class MyWidget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTapDown: (TapDownDetails details) {
        // 处理触摸进入事件
      },
      onPanUpdate: (DragUpdateDetails details) {
        // 处理触摸移动事件
      },
      onTapUp: (TapUpDetails details) {
        // 处理触摸退出事件
      },
      child: CustomPaint(
        painter: MyCustomPainter(),
      ),
    );
  }
}