Offset paintOffset

The offset at which the text should be painted.

If the text content is larger than the editable line itself, the editable line clips the text. This property controls which part of the text is visible by shifting the text by the given offset before clipping.

Source 

Offset get paintOffset => _paintOffset;
void paintOffset=(Offset value)

Source 

set paintOffset(Offset value) {
  if (_paintOffset == value)
    return;
  _paintOffset = value;
  markNeedsPaint();
}