425         QtCurve::Style::PreviewOption styleOpt;  in paintEvent()  local
427         styleOpt.init(this);  in paintEvent()
429         cfg->setOptions(styleOpt.opts);  in paintEvent()
430         styleOpt.opts.appearance=APPEARANCE_CUSTOM1;  in paintEvent()
431         styleOpt.opts.customGradient[APPEARANCE_CUSTOM1]=grad;  in paintEvent()
432         styleOpt.palette.setColor(QPalette::Button, color);  in paintEvent()
433         styleOpt.state|=QStyle::State_Raised;  in paintEvent()
434 …   style->drawControl((QStyle::ControlElement)QtCurve::Style::CE_QtC_Preview, &styleOpt, &p, this);  in paintEvent()
2219     QtCurve::Style::PreviewOption styleOpt;  in updatePreview()  local
2220     styleOpt.opts=previewStyle;  in updatePreview()
2222 …style->drawControl((QStyle::ControlElement)QtCurve::Style::CE_QtC_SetOptions, &styleOpt, nullptr, …  in updatePreview()