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QT transparent layout

I use the vertical layout (QVBoxLayout) to control the buttons. I would like to make my background color transparent at 50%. Is it possible?

SW

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2 answers

Depending on where you want to get the border of the transparent area, you will need to group the buttons into a widget (as SigTerm said), and then you can assign a color either through the palette

QPalette palette = widget->palette();
palette.setColor(QPalette::Window, QColor(100,100,100,100));
widget->setPalette(palette);

or use a stylesheet

widget->setStylesheet("QWidget{background-color: rgba(100,100,100,100);}";

Styles have the advantage that you can style your entire application from one place that is not in the code, and set the application stylesheet through QApplication::setStylesheet(QString)

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Source: https://habr.com/ru/post/1748663/

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