Drawing over a button

[Awareness]

Thanks for your answer.

Maybe this image can explain my question better:


paint2.jpg


How can I do this using QPainter?Please click on the image (to make it larger), in small version the red line's borders are not visible clearly.

[stampede]

One way i can think of is to have the button embedded in QGraphicsScene as QGraphicsProxyWidget (via QGraphicsScene::addWidget). Then you can draw whatever you want on it with QPainter.

[Awareness]

Actually,after I sent my previous message with picture,I thought it was not a good idea to do it like I do it in the picture(at least for my current little project) and I used ChrisW67 's code in his reply,it is working good.But I didn't take my last question back,because I thought I may need the answer in the future and also I wondered if it was possible to do it in Qt.Thank you both ChrisW67 and stampede for your answers.