Selectable text widget and able to set custom selection control.

on pubspec.yaml

dependencies:
  flutter_selectext: ^0.1.1

import 'package:flutter_selectext/flutter_selectext.dart';

• use string

   SelectableText('your string');
  

• use textspan

   SelectableText.rich(textspan);
  

  SelectableText default only can copy.

  you can custom controls and could refer to MarkText widget.

• use string

    List<TextSelection> markList = List();
  
    void handlerMark(TextSelection selection) {
      setState(() {
        markList.add(selection);
      });
    }
  
    MarkText('your string',
      handlerMark: handlerMark,
      markColor: Colors.deepOrange,
      markList: markList);
  

• use textspan

    List<TextSelection> markList = List();
  
    void handlerMark(TextSelection selection) {
      setState(() {
        markList.add(selection);
      });
    }
  
    MarkText(textspan,
      handlerMark: handlerMark,
      markColor: Colors.deepOrange,
      markList: markList);