Method parentPosToRelativePos

src/backend/worksheet/WorksheetElement.cpp:428–470

! * \brief parentPosToRelativePos * Converts the absolute position of the element in parent coordinates into the distance between the * alignment point of the parent and the element * \param parentPos Element position in parent coordinates * \param parentRect Parent data rect * \param rect element's rect * \param position contains the alignement of the element to the parent * \return dista

 * \return distance between the parent position to the element
 */
QPointF WorksheetElement::parentPosToRelativePos(QPointF parentPos, PositionWrapper position) const {
	// increasing relative pos hor --> right
	// increasing relative pos vert --> top
	// increasing parent pos hor --> right
	// increasing parent pos vert --> bottom

	QRectF parentRect = this->parentRect();
	QPointF relPos;

	double percentage = 0.;
	switch (position.horizontalPosition) {
	case HorizontalPosition::Left:
		break;
	case HorizontalPosition::Center:
		percentage = 0.5;
		break;
	case HorizontalPosition::Right:
		percentage = 1.0;
		break;
	case HorizontalPosition::Relative:
		percentage = position.point.x();
	}

	relPos.setX(parentPos.x() - (parentRect.x() + parentRect.width() * percentage));

	switch (position.verticalPosition) {
	case VerticalPosition::Top:
		percentage = 0.;
		break;
	case VerticalPosition::Center:
		percentage = 0.5;
		break;
	case VerticalPosition::Bottom:
		percentage = 1.0;
		break;
	case VerticalPosition::Relative:
		percentage = position.point.y();
	}

	relPos.setY(parentRect.y() + parentRect.height() * percentage - parentPos.y());

	return relPos;
}

/*!
 * \brief relativePosToParentPos