Function minimumSizeHint

kdevplatform/sublime/container.cpp:333–348

class StatusLabel: public UnderlinedLabel {
Q_OBJECT
public:
    explicit StatusLabel(QTabBar *tabBar, QWidget* parent = nullptr):
        UnderlinedLabel(tabBar, parent)
    {
        setAlignment(Qt::AlignRight | Qt::AlignVCenter);
        setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
    }

    QSize minimumSizeHint() const override
    {
        QRect rect = style()->itemTextRect(fontMetrics(), QRect(), Qt::AlignRight, true, i18n("Line: 00000 Col: 000"));
        rect.setHeight(m_tabBar->height());
        return rect.size();
    }
};

// class Container