clearWideCellAt method
Implementation
void clearWideCellAt(int index, CursorStyle style) {
if (index < 0 || index >= _length) return;
if (getWidth(index) == 2) {
eraseCell(index, style);
if (index + 1 < _length) {
eraseCell(index + 1, style);
}
return;
}
if (index > 0 && getWidth(index - 1) == 2) {
eraseCell(index - 1, style);
eraseCell(index, style);
}
}