Method drawHeader

launcher/ui/instanceview/VisualGroup.cpp:131–260

}

void VisualGroup::drawHeader(QPainter *painter, const QStyleOptionViewItem &option)
{
    painter->setRenderHint(QPainter::Antialiasing);

    const QRect optRect = option.rect;
    QFont font(QApplication::font());
    font.setBold(true);
    const QFontMetrics fontMetrics = QFontMetrics(font);

    QColor outlineColor = option.palette.text().color();
    outlineColor.setAlphaF(0.35);

    //BEGIN: top left corner
    {
        painter->save();
        painter->setPen(outlineColor);
        const QPointF topLeft(optRect.topLeft());
        QRectF arc(topLeft, QSizeF(4, 4));
        arc.translate(0.5, 0.5);
        painter->drawArc(arc, 1440, 1440);
        painter->restore();
    }
    //END: top left corner

    //BEGIN: left vertical line
    {
        QPoint start(optRect.topLeft());
        start.ry() += 3;
        QPoint verticalGradBottom(optRect.topLeft());
        verticalGradBottom.ry() += fontMetrics.height() + 5;
        QLinearGradient gradient(start, verticalGradBottom);
        gradient.setColorAt(0, outlineColor);
        gradient.setColorAt(1, Qt::transparent);
        painter->fillRect(QRect(start, QSize(1, fontMetrics.height() + 5)), gradient);
    }
    //END: left vertical line

    //BEGIN: horizontal line
    {
        QPoint start(optRect.topLeft());
        start.rx() += 3;
        QPoint horizontalGradTop(optRect.topLeft());
        horizontalGradTop.rx() += optRect.width() - 6;
        painter->fillRect(QRect(start, QSize(optRect.width() - 6, 1)), outlineColor);
    }
    //END: horizontal line

    //BEGIN: top right corner
    {
        painter->save();
        painter->setPen(outlineColor);
        QPointF topRight(optRect.topRight());
        topRight.rx() -= 4;
        QRectF arc(topRight, QSizeF(4, 4));
        arc.translate(0.5, 0.5);
        painter->drawArc(arc, 0, 1440);
        painter->restore();
    }