Method fadeIn

src/frontend/worksheet/WorksheetView.cpp:1473–1476

}

void WorksheetView::fadeIn(qreal value) {
	auto* effect = static_cast<QGraphicsOpacityEffect*>(lastAddedWorksheetElement->graphicsItem()->graphicsEffect());
	effect->setOpacity(value);
}

void WorksheetView::fadeOut(qreal value) {
	auto* effect = new QGraphicsOpacityEffect();