How to create a bold, red text label in Qt?

Question

I want to write a single, bold red line in my application using Qt.

As far as I understand, I would create a QLabel, set its textFormat to rich text and give it a ri

Answer 1

You can use Qt StyleSheets and set the styleSheet property of QLabel

warning->setStyleSheet("font-weight: bold; color: red");

Qt supports most CSS styles on its QWidget-derived classes. You don't need to set the text format to Qt::RichText for this to work.