The Big Merge©®️™!
Integrated Mark's files, and it all works !
This commit is contained in:
Yannick Mauray
parent
9ab0f54f14
commit
989eb69f1f
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/// Store info about a running vm, such as connection ports.
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class VmInfo {
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String? sshPort;
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String? spicePort;
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}
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@ -0,0 +1,237 @@
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import 'dart:async';
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import 'dart:core';
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import 'package:flutter/material.dart';
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import 'package:path/path.dart' as path;
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import 'package:file_picker/file_picker.dart';
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import 'dart:io';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:quickgui/src/model/vminfo.dart';
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/// VM manager page.
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/// Displays a list of available VMs, running state and connection info,
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/// with buttons to start and stop VMs.
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class Manager extends StatefulWidget {
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const Manager({Key? key}) : super(key: key);
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@override
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State<Manager> createState() => _ManagerState();
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}
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class _ManagerState extends State<Manager> {
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List<String> _currentVms = [];
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Map<String, VmInfo> _activeVms = {};
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final List<String> _spicyVms = [];
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Timer? refreshTimer;
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static const String prefsWorkingDirectory = 'workingDirectory';
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@override
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void initState() {
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super.initState();
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_getCurrentDirectory();
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Future.delayed(Duration.zero, () => _getVms(context)); // Reload VM list when we enter the page.
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refreshTimer = Timer.periodic(const Duration(seconds: 5), (Timer t) {
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_getVms(context);
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}); // Reload VM list every 5 seconds.
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}
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@override
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void dispose() {
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refreshTimer?.cancel();
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super.dispose();
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}
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void _saveCurrentDirectory() async {
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final prefs = await SharedPreferences.getInstance();
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prefs.setString(prefsWorkingDirectory, Directory.current.path);
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}
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void _getCurrentDirectory() async {
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final prefs = await SharedPreferences.getInstance();
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if (prefs.containsKey(prefsWorkingDirectory)) {
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setState(() {
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final directory = prefs.getString(prefsWorkingDirectory);
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if (directory != null) {
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Directory.current = directory;
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}
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});
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}
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}
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VmInfo _parseVmInfo(name) {
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String shellScript = File(name + '/' + name + '.sh').readAsStringSync();
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RegExpMatch? sshMatch = RegExp('hostfwd=tcp::(\\d+?)-:22').firstMatch(shellScript);
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RegExpMatch? spiceMatch = RegExp('-spice.+?port=(\\d+)').firstMatch(shellScript);
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VmInfo info = VmInfo();
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if (sshMatch != null) {
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info.sshPort = sshMatch.group(1);
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}
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if (spiceMatch != null) {
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info.spicePort = spiceMatch.group(1);
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}
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return info;
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}
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void _getVms(context) async {
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List<String> currentVms = [];
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Map<String, VmInfo> activeVms = {};
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await for (var entity in Directory.current.list(recursive: false, followLinks: true)) {
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if (entity.path.endsWith('.conf')) {
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String name = path.basenameWithoutExtension(entity.path);
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currentVms.add(name);
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File pidFile = File(name + '/' + name + '.pid');
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if (pidFile.existsSync()) {
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String pid = pidFile.readAsStringSync().trim();
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Directory procDir = Directory('/proc/' + pid);
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if (procDir.existsSync()) {
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if (_activeVms.containsKey(name)) {
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activeVms[name] = _activeVms[name]!;
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} else {
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activeVms[name] = _parseVmInfo(name);
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}
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}
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}
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}
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}
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currentVms.sort();
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setState(() {
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_currentVms = currentVms;
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_activeVms = activeVms;
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});
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}
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Widget _buildVmList() {
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List<Widget> _widgetList = [];
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_widgetList.add(TextButton(
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onPressed: () async {
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String? result = await FilePicker.platform.getDirectoryPath();
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if (result != null) {
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Directory.current = result;
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_saveCurrentDirectory();
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_getVms(context);
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}
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},
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child: Text(Directory.current.path)));
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List<List<Widget>> rows = _currentVms.map((vm) {
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return _buildRow(vm);
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}).toList();
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for (var row in rows) {
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_widgetList.addAll(row);
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}
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return ListView(
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padding: const EdgeInsets.all(16.0),
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children: _widgetList,
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);
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}
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List<Widget> _buildRow(String currentVm) {
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final bool active = _activeVms.containsKey(currentVm);
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final bool spicy = _spicyVms.contains(currentVm);
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String connectInfo = '';
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if (active) {
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VmInfo vmInfo = _activeVms[currentVm]!;
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if (vmInfo.sshPort != null) {
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connectInfo += 'SSH port: ' + vmInfo.sshPort! + ' ';
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}
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if (vmInfo.spicePort != null) {
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connectInfo += 'SPICE port: ' + vmInfo.spicePort! + ' ';
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}
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}
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return <Widget>[
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ListTile(
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title: Text(currentVm),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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IconButton(
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icon: Icon(Icons.monitor, color: spicy ? Colors.red : null, semanticLabel: spicy ? 'Using SPICE display' : 'Click to use SPICE display'),
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tooltip: spicy ? 'Using SPICE display' : 'Use SPICE display',
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onPressed: () {
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if (spicy) {
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setState(() {
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_spicyVms.remove(currentVm);
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});
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} else {
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setState(() {
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_spicyVms.add(currentVm);
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});
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}
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}),
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IconButton(
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icon: Icon(
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active ? Icons.play_arrow : Icons.play_arrow_outlined,
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color: active ? Colors.green : null,
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semanticLabel: active ? 'Running' : 'Run',
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),
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onPressed: () async {
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if (!active) {
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Map<String, VmInfo> activeVms = _activeVms;
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List<String> args = ['--vm', currentVm + '.conf'];
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if (spicy) {
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args.addAll(['--display', 'spice']);
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}
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await Process.start('quickemu', args);
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VmInfo info = _parseVmInfo(currentVm);
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activeVms[currentVm] = info;
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setState(() {
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_activeVms = activeVms;
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});
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}
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}),
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IconButton(
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icon: Icon(
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active ? Icons.stop : Icons.stop_outlined,
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color: active ? Colors.red : null,
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semanticLabel: active ? 'Stop' : 'Not running',
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),
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onPressed: () {
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if (active) {
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showDialog<bool>(
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context: context,
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builder: (BuildContext context) => AlertDialog(
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title: const Text('Stop The Virtual Machine?'),
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content: Text('You are about to terminate the virtual machine $currentVm'),
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actions: <Widget>[
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('OK'),
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),
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],
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),
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).then((result) {
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result = result ?? false;
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if (result) {
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Process.run('killall', [currentVm]);
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setState(() {
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_activeVms.remove(currentVm);
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});
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}
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});
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}
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},
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),
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],
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)),
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if (connectInfo.isNotEmpty)
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ListTile(
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title: Text(connectInfo),
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),
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const Divider()
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];
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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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appBar: AppBar(
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title: const Text('Manager'),
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),
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body: _buildVmList(),
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);
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}
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}
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@ -1,5 +1,6 @@
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import 'package:flutter/material.dart';
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import 'package:quickgui/src/pages/downloader_page.dart';
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import 'package:quickgui/src/pages/manager.dart';
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import 'package:quickgui/src/widgets/home_page/home_page_button.dart';
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class MainMenu extends StatelessWidget {
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@ -16,7 +17,15 @@ class MainMenu extends StatelessWidget {
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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HomePageButton(
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onPressed: () {},
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onPressed: () {
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Navigator.of(context).push(
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PageRouteBuilder(
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fullscreenDialog: true,
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pageBuilder: (context, animation1, animation2) => const Manager(),
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transitionDuration: Duration.zero,
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),
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);
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},
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text: 'Manage existing machines',
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),
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HomePageButton(
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@ -41,6 +41,7 @@ dependencies:
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quiver: ^3.0.1+1
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tuple: ^2.0.0
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file_picker: ^4.1.6
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shared_preferences: ^2.0.8
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dev_dependencies:
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flutter_test:
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