我们可以在Qt助手中输入Qt Style Sheets Reference然后选择List of Pseudo-States 项查看Qt控件支持的所有状态。
附几个参考学习的博客:
https://blog.csdn.net/goforwardtostep/article/details/65451416
https://blog.csdn.net/baidang201/article/details/51659261
https://www.cnblogs.com/aslistener/p/4689594.html
https://blog.csdn.net/yansmile1/article/details/52913676