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@@ -0,0 +1,115 @@
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+import 'dart:async';
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+
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+import 'package:flutter/material.dart';
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+import 'package:xterm/flutter.dart';
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+import 'package:xterm/xterm.dart';
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+import 'package:xterm/isolate.dart';
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+
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+void main() {
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+ runApp(MyApp());
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+}
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+
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+class MyApp extends StatelessWidget {
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+ @override
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+ Widget build(BuildContext context) {
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+ return MaterialApp(
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+ title: 'xterm.dart demo',
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+ theme: ThemeData(
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+ primarySwatch: Colors.blue,
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+ visualDensity: VisualDensity.adaptivePlatformDensity,
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+ ),
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+ home: MyHomePage(),
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+ );
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+ }
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+}
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+
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+class MyHomePage extends StatefulWidget {
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+ MyHomePage({Key key}) : super(key: key);
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+
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+ @override
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+ _MyHomePageState createState() => _MyHomePageState();
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+}
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+
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+class FakeTerminalBackend implements TerminalBackend {
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+ Completer<int> _exitCodeCompleter;
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+ // ignore: close_sinks
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+ StreamController<String> _outStream;
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+
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+ FakeTerminalBackend();
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+
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+ @override
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+ Future<int> get exitCode => _exitCodeCompleter.future;
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+
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+ @override
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+ void init() {
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+ _exitCodeCompleter = Completer<int>();
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+ _outStream = StreamController<String>();
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+ _outStream.sink.add('xterm.dart demo');
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+ _outStream.sink.add('\r\n');
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+ _outStream.sink.add('\$ ');
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+ }
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+
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+ @override
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+ Stream<String> get out => _outStream.stream;
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+
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+ @override
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+ void resize(int width, int height) {
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+ // NOOP
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+ }
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+
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+ @override
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+ void write(String input) {
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+ if (input.length <= 0) {
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+ return;
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+ }
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+ // in a "real" terminal emulation you would connect onInput to the backend
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+ // (like a pty or ssh connection) that then handles the changes in the
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+ // terminal.
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+ // As we don't have a connected backend here we simulate the changes by
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+ // directly writing to the terminal.
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+ if (input == '\r') {
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+ _outStream.sink.add('\r\n');
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+ _outStream.sink.add('\$ ');
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+ } else if (input.codeUnitAt(0) == 127) {
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+ // Backspace handling
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+ _outStream.sink.add('\b \b');
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+ } else {
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+ _outStream.sink.add(input);
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+ }
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+ }
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+
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+ @override
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+ void terminate() {
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+ //NOOP
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+ }
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+
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+ @override
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+ void ackProcessed() {
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+ //NOOP
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+ }
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+}
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+
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+class _MyHomePageState extends State<MyHomePage> {
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+ TerminalIsolate terminal;
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+
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+ @override
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+ void initState() {
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+ super.initState();
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+ terminal = TerminalIsolate(
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+ backend: FakeTerminalBackend(),
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+ maxLines: 10000,
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+ );
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+ terminal.start();
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+ }
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+
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+ void onInput(String input) {}
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+
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+ @override
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+ Widget build(BuildContext context) {
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+ return Scaffold(
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+ body: SafeArea(
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+ child: TerminalView(terminal: terminal),
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+ ),
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+ );
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+ }
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+}
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xuty