QLinearGradient gradient(0, 0, width(), 0);
gradient.setColorAt(0.25, Qt::transparent);
gradient.setColorAt(0.5, QColor(0, 0, 0, _hover * 200));
QLinearGradient gradient(0, 0, width(), 0);
gradient.setColorAt(0.25, Qt::transparent);
gradient.setColorAt(0.5, QColor(0, 0, 0, _hover * 200));