Method index

src/backend/worksheet/TreeModel.cpp:186–197

}

QModelIndex TreeModel::index(int row, int column, const QModelIndex& parent) const {
	if (parent.isValid() && parent.column() != 0)
		return {};

	TreeItem* parentItem = getItem(parent);

	TreeItem* childItem = parentItem->child(row);
	if (childItem)
		return createIndex(row, column, childItem);
	else
		return {};
}

bool TreeModel::insertColumns(int position, int columns, const QModelIndex& parent) {
	bool success;