更改QCalendarWidget网格可见性/厚度

Question

I would like to make the QCalendarWidget grid visible. As far as I know the days part in a QCalendarWidget is implemented as a QTableView but I don't know how to modify the grid bar thickness of a QTableView either. I would like it to look something like this:

Can anyone help?

Thank you!

Answer 1

From the first lines of the Qt documentation :

 QCalendarWidget *calendar;
 calendar->setGridVisible(true);

I'm so stupid....