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c++qtwidgetqwidget

transparent widget in QT

I want to draw a circle on a widget and within the circle background screen should be visible i.e. just border/circumference of circle should be visible on the widget. Rest of the widget should be transparent. I have tried : 1) setStyleSheet("background:transparent;") 2) setAttribute( Qt::WA_TranslucentBackground, true ); 3) Overriding paintEvent(QPaintEvent* event);

All of the above methode didn't work. and setAutoFillBackground() is false. I am new to Qt and above solution I just found on google. Please Help.

Solution

  • The QWidget::setMask function, if used on the window, will have that affect. See also the shaped clock example (also referenced from the setMask documentation).