Drawing a Checkbox Checkmark primitive with colored background

Hi,

title says it all, I want to draw the checkmark with a colored background in the paint function of a custom delegate derived from QSytledItemDelegate. So far I tried

Code:

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QStyleOptionFocusRect focusrectOption;
focusrectOption.rect = layerRect;
focusrectOption.backgroundColor = QColor(151,165,255);
 
QApplication::style()->drawPrimitive(QStyle::PE_IndicatorCheckBox, &focusrectOption, painter);

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and giving the QPainter a background color

Code:

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painter->setBackground(QBrush(QColor(151,165,255)));
QApplication::style()->drawPrimitive(QStyle::PE_IndicatorCheckBox, &checkBoxOption, painter);

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but it just doesnt draw anything. Any idea how to achieve this without having to draw the checkmark myself with lines?

Hi, do you have correct values for the .rect entries in the QStyleOption subclasses? Please check if focusrectOption.rect is non-zero after this line:
focusrectOption.rect = layerRect;
You probably have a similar line for checkBoxOption.

Ginsengelf