beginSelection method

SelectionT? beginSelection({
  1. required PositionT? position,
  2. required SelectionT collapsedSelection(
    1. PositionT position
    ),
})

Implementation

SelectionT? beginSelection({
  required PositionT? position,
  required SelectionT Function(PositionT position) collapsedSelection,
}) {
  if (position == null) {
    return null;
  }
  session.clearLineSelectionAnchorRow();
  return collapsedSelection(position);
}