Method handleColumnsAboutToBeInserted

src/backend/matrix/MatrixModel.cpp:222–224

}

void MatrixModel::handleColumnsAboutToBeInserted(int before, int count) {
	beginInsertColumns(QModelIndex(), before, before + count - 1);
}

void MatrixModel::handleColumnsInserted(int /*first*/, int /*count*/) {
	endInsertColumns();