insertLine method

void insertLine()

Implementation

void insertLine() {
  if (!isInScrollableRegion) {
    final index = convertViewLineToRawLine(_cursorX);
    final newLine = _newEmptyLine();
    lines.insert(index, newLine);
  } else {
    final newLine = _newEmptyLine();
    lines.insert(_cursorY, newLine);
  }
}