if (minColumn != _selectionMinCol) {
_selectionMinCol = minColumn;
for (int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {
if (minColumn != _selectionMinCol) {
_selectionMinCol = minColumn;
for (int l = qMin(_selectionStart, _selectionEnd); l <= qMax(_selectionStart, _selectionEnd); l++) {