How can I set the background color for QPushButtons and QCheckBoxes?

[cscooper]

I'm trying to change the background color of a QAbstractButton (either a QPushButton or QCheckBox) in Qt5 and having zero luck.

This does nothing:

@pButton->setAutoFillBackground(true);
QPalette palette = pButton->palette();
palette.setColor(QPalette::Window, QColor(Qt::blue));
pButton->setPalette(palette);
pButton->show();@

and if I try changing the style sheet:

@pButton->setStyleSheet("background-color: rgb(255,255,0);");@

then Qt throws up its hands and draws an afwul-looking blocky button.

There is a page titled "How to change the background color of QWidget" but it just talks about those two methods.

There is also a page "Qt Style Sheets Examples" that implies that if you want to change the background color, you have to take over all aspects of drawing the button, which just seems like overkill.

I need this to run on Mac, Windows, and Ubuntu Linux, and it's really not a happy thing if I have to manually draw everything about the button 3 times (once for each platform).

Am I missing something obvious?

[cscooper]

And by "background color" I mean the area surrounding the button, not the color behind the text on the face of the button.