Method keyPressEvent

src/backend/worksheet/WorksheetElement.cpp:909–953

}

void WorksheetElementPrivate::keyPressEvent(QKeyEvent* event) {
	const bool keyVertical = event->key() == Qt::Key_Up || event->key() == Qt::Key_Down;
	const bool keyHorizontal = event->key() == Qt::Key_Left || event->key() == Qt::Key_Right;
	if ((keyHorizontal && position.positionLimit != WorksheetElement::PositionLimit::Y)
		|| (keyVertical && position.positionLimit != WorksheetElement::PositionLimit::X)) {
		const int delta = 5; // always in scene coordinates

		WorksheetElement::PositionWrapper tempPosition = position;
		if (coordinateBindingEnabled && q->cSystem) {
			if (!q->cSystem->isValid())
				return;
			// the position in logical coordinates was changed, calculate the position in scene coordinates
			bool visible;
			QPointF p = q->cSystem->mapLogicalToScene(positionLogical, visible, AbstractCoordinateSystem::MappingFlag::SuppressPageClipping);
			if (event->key() == Qt::Key_Left) {
				p.setX(p.x() - delta);
			} else if (event->key() == Qt::Key_Right) {
				p.setX(p.x() + delta);
			} else if (event->key() == Qt::Key_Up) {
				p.setY(p.y() - delta); // y-axis is reversed, change the sign here
			} else if (event->key() == Qt::Key_Down) {
				p.setY(p.y() + delta);
			}
			auto pLogic = q->cSystem->mapSceneToLogical(p, AbstractCoordinateSystem::MappingFlag::SuppressPageClipping);
			q->setPositionLogical(pLogic); // So it is undoable
		} else {
			QPointF point = q->parentPosToRelativePos(pos(), position);
			point = q->align(point, m_boundingRectangle, horizontalAlignment, verticalAlignment, false);

			if (event->key() == Qt::Key_Left) {
				point.setX(point.x() - delta);
			} else if (event->key() == Qt::Key_Right) {
				point.setX(point.x() + delta);
			} else if (event->key() == Qt::Key_Up) {
				point.setY(point.y() + delta);
			} else if (event->key() == Qt::Key_Down) {
				point.setY(point.y() - delta);
			}
			tempPosition.point = point;
			q->setPosition(tempPosition); // So it is undoable
		}
		event->accept();
	} else
		QGraphicsItem::keyPressEvent(event);
}

void WorksheetElementPrivate::mousePressEvent(QGraphicsSceneMouseEvent* event) {
	// when moving the element with the mouse (left button pressed), the move event doesn't have