Does anybody know if there is a Qt widget that simulates this effect?
What I want to do is when the user inputs some data and th开发者_JAVA技巧ese data are invalid, this bubble appears and tell to user 'hey, there is an error here!'
Well, I would use a frameless (setting Qt::FramelessWindowHint) QDialog with a custom painting.
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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