const qreal &width,
const qreal ×tampWidth, const qreal &senderWidth, const qreal &contentsWidth,
const QPointF &senderPos, const QPointF &contentsPos,
const qreal &width,
const qreal ×tampWidth, const qreal &senderWidth, const qreal &contentsWidth,
const QPointF &senderPos, const QPointF &contentsPos,