Method setColumnCount

src/backend/matrix/Matrix.cpp:259–270

}

void Matrix::setColumnCount(int count) {
	Q_D(const Matrix);
	const auto currCount = d->columnCount();
	if (count == currCount)
		return;

	const int diff = count - currCount;
	if (diff > 0)
		appendColumns(diff);
	else if (diff < 0)
		removeColumns(currCount + diff, -diff);
}

STD_SETTER_CMD_IMPL_F_S(Matrix, SetXStart, double, xStart, updateViewHeader)
void Matrix::setXStart(double xStart) {