QPushButton color on MacOSX

cady

I am running out of ideas... how do I color the background of a QPushButton while keeping the OS style?
I am using Qt 5.15 on Mac OSX 12.4.

Here is what I have tried in a sample application. I have a MainWindow with a GridLayout and few controls, including a QPushButton and a QComboBox. I have the same issue with both the button and the combo box.

Here is my code:

    QPalette newPal = ui->pushButton->palette();
    newPal.setColor(QPalette::ButtonText, QColor(Qt::white)); // Yes, this updates the text color
    newPal.setColor(QPalette::Button, QColor(Qt::blue)); // Nope, doesn't update the background
    newPal.setColor(QPalette::Window, QColor(Qt::blue)); // Nope
    newPal.setColor(QPalette::Base, QColor(Qt::blue)); // Another nope
    newPal.setColor(QPalette::Active, QPalette::Button, QColor(Qt::blue)); // Still nope
    newPal.setColor(QPalette::Inactive, QPalette::Button, QColor(Qt::blue)); // Nope
    // ui->pushButton->setBackgroundRole(QPalette::Button); // Doesn't change anything, should already be using that role anyway
    // ui->pushButton->setAutoFillBackground(true); // Paints the blue on the background BEHIND the button
    // ui->pushButton->setStyleSheet("background-color: blue"); // Works, but loses the MacOS styling, switch to Windows styling
    // ui->pushButton->setStyle(QStyleFactory::create("Macintosh")); // This doesn't even help the above, it keeps the Windows looking control
    // ui->pushButton->setStyleSheet("border: none"); // Makes the button totally disappear
    ui->pushButton->setPalette(newPal);
    ui->pushButton->update(); // Probably not needed?

Imgur https://imgur.com/s5tUumR

Any other suggestions? Thanks!

SGaist

Hi,

The system style are free to ignore hints in order to stay coherent with the OS guide lines so you are likely hitting that.

One possible way is to create a QProxyStyle.