veilid/veilid-flutter/example/lib/log_terminal.dart

import 'dart:convert';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:xterm/xterm.dart';
import 'log.dart';

class LogTerminal extends StatefulWidget {
  const LogTerminal({Key? key}) : super(key: key);

  @override
  // ignore: library_private_types_in_public_api
  _LogTerminalState createState() => _LogTerminalState();
}

class _LogTerminalState extends State<LogTerminal> {
  final terminal = Terminal(
    maxLines: 10000,
  );

  final terminalController = TerminalController();

  @override
  void initState() {
    super.initState();
    terminal.setLineFeedMode(true);
    globalTerminalPrinter
        .setCallback((log) => {terminal.write("${log.pretty()}\n")});
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.transparent,
      body: SafeArea(
        child: TerminalView(
          terminal,
          controller: terminalController,
          autofocus: true,
          backgroundOpacity: 0.7,
          onSecondaryTapDown: (details, offset) async {
            final selection = terminalController.selection;
            if (selection != null) {
              final text = terminal.buffer.getText(selection);
              terminalController.clearSelection();
              await Clipboard.setData(ClipboardData(text: text));
            } else {
              final data = await Clipboard.getData('text/plain');
              final text = data?.text;
              if (text != null) {
                terminal.paste(text);
              }
            }
          },
        ),
      ),
    );
  }
}