deleteSelection function

TextCommandResult deleteSelection(
  1. List<String> graphemes, {
  2. int? selectionBaseOffset,
  3. int? selectionExtentOffset,
  4. required int cursorOffset,
})

Implementation

TextCommandResult deleteSelection(
  List<String> graphemes, {
  int? selectionBaseOffset,
  int? selectionExtentOffset,
  required int cursorOffset,
}) {
  final selection = normalizedSelectionRange(
    selectionBaseOffset,
    selectionExtentOffset,
  );
  if (selection == null || selection.start == selection.end) {
    return _unchangedResult(
      graphemes,
      cursorOffset: cursorOffset,
      selectionBaseOffset: selectionBaseOffset,
      selectionExtentOffset: selectionExtentOffset,
    );
  }

  final result = edit_ops.removeRange(
    graphemes,
    start: selection.start,
    end: selection.end,
  );
  return TextCommandResult(
    graphemes: result.graphemes,
    cursorOffset: result.cursorOffset,
  );
}