Method changeSelectedItemsPosition

src/frontend/datapicker/DatapickerImageView.cpp:678–727

}

void DatapickerImageView::changeSelectedItemsPosition(QAction* action) {
	if (scene()->selectedItems().isEmpty())
		return;

	QPointF shift(0, 0);
	if (action == shiftLeftAction)
		shift.setX(1);
	else if (action == shiftRightAction)
		shift.setX(-1);
	else if (action == shiftUpAction)
		shift.setY(-1);
	else if (action == shiftDownAction)
		shift.setY(1);

	m_image->beginMacro(i18n("%1: change position of selected DatapickerPoints.", m_image->name()));
	const QVector<DatapickerPoint*> axisPoints = m_image->children<DatapickerPoint>(AbstractAspect::ChildIndexFlag::IncludeHidden);
	for (auto* point : axisPoints) {
		if (!point->graphicsItem()->isSelected())
			continue;

		QPointF newPos = point->position();
		newPos = newPos + shift;
		point->setPosition(newPos);

		int pointIndex = m_image->indexOfChild<DatapickerPoint>(point, AbstractAspect::ChildIndexFlag::IncludeHidden);
		if (pointIndex == -1)
			continue;
		DatapickerImage::ReferencePoints points = m_image->axisPoints();
		points.scenePos[pointIndex].setX(point->position().x());
		points.scenePos[pointIndex].setY(point->position().y());
		m_image->setUndoAware(false);
		m_image->setAxisPoints(points);
		m_image->setUndoAware(true);
	}

	for (auto* curve : m_image->parentAspect()->children<DatapickerCurve>()) {
		for (auto* point : curve->children<DatapickerPoint>(AbstractAspect::ChildIndexFlag::IncludeHidden)) {
			if (!point->graphicsItem()->isSelected())
				continue;

			QPointF newPos = point->position();
			newPos = newPos + shift;
			point->setPosition(newPos);
		}
	}

	m_image->endMacro();
	if (m_image->m_magnificationWindow && m_image->m_magnificationWindow->isVisible())
		updateMagnificationWindow();
}

void DatapickerImageView::magnificationChanged(QAction* action) {
	if (action == noMagnificationAction) {