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Merge pull request #21 from quickgui/actionbuttons 

Add new action buttons for running VMs
This commit is contained in:
Mark Johnson 2021-11-13 23:08:46 +00:00 committed by GitHub
parent f4b02e0c01 4a50904f87
commit c9737423a9
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 178 additions and 68 deletions
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6
assets/images/console.svg Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<!-- "console" by Austin Andrews @Templarian from materialdesignicons.com -->
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="24" height="24" viewBox="0 0 24 24">
<path fill="#000000" d="M20,19V7H4V19H20M20,3A2,2 0 0,1 22,5V19A2,2 0 0,1 20,21H4A2,2 0 0,1 2,19V5C2,3.89 2.9,3 4,3H20M13,17V15H18V17H13M9.58,13L5.57,9H8.4L11.7,12.3C12.09,12.69 12.09,13.33 11.7,13.72L8.42,17H5.59L9.58,13Z" />
</svg>
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239
lib/src/pages/manager.dart
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@ -1,8 +1,10 @@
import 'dart:async';
import 'dart:convert';
import 'dart:core';
import 'package:flutter/material.dart';
import 'package:path/path.dart' as path;
import 'package:file_picker/file_picker.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'dart:io';
import '../globals.dart';
@ -23,12 +25,16 @@ class Manager extends StatefulWidget {
class _ManagerState extends State<Manager> with PreferencesMixin {
List<String> _currentVms = [];
Map<String, VmInfo> _activeVms = {};
final List<String> _spicyVms = [];
bool _spicy = false;
final List<String> _sshVms = [];
String? _terminalEmulator;
Timer? refreshTimer;
@override
void initState() {
super.initState();
_getTerminalEmulator();
_detectSpice();
getPreference<String>(prefWorkingDirectory).then((pref) {
setState(() {
if (pref == null) {
@ -38,7 +44,6 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
});
Future.delayed(Duration.zero, () => _getVms(context)); // Reload VM list when we enter the page.
});
refreshTimer = Timer.periodic(const Duration(seconds: 5), (Timer t) {
_getVms(context);
}); // Reload VM list every 5 seconds.
@ -50,6 +55,24 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
super.dispose();
}
void _getTerminalEmulator() async {
ProcessResult result = Process.runSync('x-terminal-emulator', ['-h']);
RegExp pattern = RegExp(r"usage:\s+([^\s]+)", multiLine: true, caseSensitive: false);
RegExpMatch? match = pattern.firstMatch(result.stdout);
if (match != null) {
setState(() {
_terminalEmulator = match.group(1);
});
}
}
void _detectSpice() async {
ProcessResult result = await Process.run('which', ['spicy']);
setState(() {
_spicy = result.exitCode == 0;
});
}
VmInfo _parseVmInfo(name) {
VmInfo info = VmInfo();
List<String> lines = File(name + '/' + name + '.ports').readAsLinesSync();
@ -107,8 +130,21 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
});
}
Future<bool> _detectSsh(int port) async {
bool isSSH = false;
try {
Socket socket = await Socket.connect('localhost', port);
isSSH = await socket.any((event) => utf8.decode(event).contains('SSH'));
socket.close();
return isSSH;
} catch (exception) {
return false;
}
}
Widget _buildVmList() {
List<Widget> _widgetList = [];
final Color buttonColor = Theme.of(context).brightness == Brightness.dark ? Colors.white70 : Theme.of(context).colorScheme.primary;
_widgetList.add(
Row(
mainAxisAlignment: MainAxisAlignment.center,
@ -122,7 +158,7 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
ElevatedButton(
style: ElevatedButton.styleFrom(
primary: Theme.of(context).canvasColor,
onPrimary: Theme.of(context).brightness == Brightness.dark ? Colors.white70 : Theme.of(context).colorScheme.primary,
onPrimary: buttonColor
),
onPressed: () async {
String? result = await FilePicker.platform.getDirectoryPath();
@ -141,7 +177,7 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
),
);
List<List<Widget>> rows = _currentVms.map((vm) {
return _buildRow(vm);
return _buildRow(vm, buttonColor);
}).toList();
for (var row in rows) {
_widgetList.addAll(row);
@ -153,18 +189,30 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
);
}
List<Widget> _buildRow(String currentVm) {
List<Widget> _buildRow(String currentVm, Color buttonColor) {
final bool active = _activeVms.containsKey(currentVm);
final bool spicy = _spicyVms.contains(currentVm);
final bool sshy = _sshVms.contains(currentVm);
VmInfo vmInfo = VmInfo();
String connectInfo = '';
if (active) {
VmInfo vmInfo = _activeVms[currentVm]!;
if (vmInfo.sshPort != null) {
connectInfo += context.t('SSH port') + ': ' + vmInfo.sshPort! + ' ';
}
vmInfo = _activeVms[currentVm]!;
if (vmInfo.spicePort != null) {
connectInfo += context.t('SPICE port') + ': ' + vmInfo.spicePort! + ' ';
}
if (vmInfo.sshPort != null && _terminalEmulator != null) {
connectInfo += context.t('SSH port') + ': ' + vmInfo.sshPort! + ' ';
_detectSsh(int.parse(vmInfo.sshPort!)).then((sshRunning) {
if (sshRunning && !sshy) {
setState(() {
_sshVms.add(currentVm);
});
} else if (!sshRunning && sshy) {
setState(() {
_sshVms.remove(currentVm);
});
}
});
}
}
return <Widget>[
ListTile(
@ -172,41 +220,24 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
IconButton(
icon: Icon(Icons.monitor,
color: spicy ? Colors.red : null, semanticLabel: spicy ? context.t('Using SPICE display') : context.t('Click to use SPICE display')),
tooltip: spicy ? context.t('Using SPICE display') : context.t('Use SPICE display'),
onPressed: () {
if (spicy) {
setState(() {
_spicyVms.remove(currentVm);
});
} else {
setState(() {
_spicyVms.add(currentVm);
});
}
}),
IconButton(
icon: Icon(
active ? Icons.play_arrow : Icons.play_arrow_outlined,
color: active ? Colors.green : null,
color: active ? Colors.green : buttonColor,
semanticLabel: active ? 'Running' : 'Run',
),
onPressed: () async {
if (!active) {
Map<String, VmInfo> activeVms = _activeVms;
List<String> args = ['--vm', currentVm + '.conf'];
if (spicy) {
args.addAll(['--display', 'spice']);
}
await Process.start('quickemu', args);
VmInfo info = _parseVmInfo(currentVm);
activeVms[currentVm] = info;
setState(() {
_activeVms = activeVms;
});
onPressed: active ? null : () async {
Map<String, VmInfo> activeVms = _activeVms;
List<String> args = ['--vm', currentVm + '.conf'];
if (_spicy) {
args.addAll(['--display', 'spice']);
}
await Process.start('quickemu', args);
VmInfo info = _parseVmInfo(currentVm);
activeVms[currentVm] = info;
setState(() {
_activeVms = activeVms;
});
}),
IconButton(
icon: Icon(
@ -214,41 +245,113 @@ class _ManagerState extends State<Manager> with PreferencesMixin {
color: active ? Colors.red : null,
semanticLabel: active ? 'Stop' : 'Not running',
),
onPressed: () {
if (active) {
showDialog<bool>(
context: context,
builder: (BuildContext context) => AlertDialog(
title: Text(context.t('Stop The Virtual Machine?')),
content: Text('${context.t('You are about to terminate the virtual machine')} $currentVm'),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context, false),
child: Text(context.t('Cancel')),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
child: Text(context.t('OK')),
),
],
),
).then((result) {
result = result ?? false;
if (result) {
Process.run('killall', [currentVm]);
setState(() {
_activeVms.remove(currentVm);
});
}
});
}
onPressed: !active ? null : () {
showDialog<bool>(
context: context,
builder: (BuildContext context) => AlertDialog(
title: Text(context.t('Stop The Virtual Machine?')),
content: Text('${context.t('You are about to terminate the virtual machine')} $currentVm'),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context, false),
child: Text(context.t('Cancel')),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
child: Text(context.t('OK')),
),
],
),
).then((result) {
result = result ?? false;
if (result) {
Process.run('killall', [currentVm]);
setState(() {
_activeVms.remove(currentVm);
});
}
});
},
),
],
)),
if (connectInfo.isNotEmpty)
ListTile(
title: Text(connectInfo),
title: Text(
connectInfo,
style: TextStyle(fontSize: 12)
),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
IconButton(
icon: Icon(
Icons.monitor,
color: _spicy ? buttonColor : null,
semanticLabel: 'Connect display with SPICE',
),
tooltip: _spicy? 'Connect display with SPICE' : 'SPICE client not found',
onPressed: !_spicy? null : () {
Process.start('spicy', ['-p', vmInfo.spicePort!]);
},
),
IconButton(
icon: SvgPicture.asset(
'assets/images/console.svg',
semanticsLabel: 'Connect with SSH',
color: sshy ? buttonColor : Colors.grey
),
tooltip: sshy ? 'Connect with SSH' : 'SSH server not detected on guest',
onPressed: !sshy ? null : () {
TextEditingController _usernameController = TextEditingController();
showDialog<bool>(
context: context,
builder: (BuildContext context) => AlertDialog(
title: Text('Launch SSH connection to $currentVm'),
content: TextField(
controller: _usernameController,
decoration: const InputDecoration(hintText: "SSH username"),
),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context, false),
child: const Text('Cancel'),
),
TextButton(
onPressed: () => Navigator.pop(context, true),
child: const Text('Connect'),
),
],
),
).then((result) {
result = result ?? false;
if (result) {
List<String> sshArgs = ['ssh', '-p', vmInfo.sshPort!, _usernameController.text + '@localhost'];
switch(_terminalEmulator) {
case 'gnome-terminal':
case 'mate-terminal':
sshArgs.insert(0, '--');
break;
case 'xterm':
case 'konsole':
sshArgs.insert(0, '-e');
break;
case 'terminator':
case 'xfce4-terminal':
sshArgs.insert(0, '-x');
break;
case 'guake':
String command = sshArgs.join(' ');
sshArgs = ['-e', command];
break;
}
Process.start(_terminalEmulator!, sshArgs);
}
});
},
),
]
)
),
const Divider()
];

1
pubspec.yaml
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@ -51,6 +51,7 @@ dependencies:
flutter_localizations:
sdk: flutter
desktop_notifications: ^0.6.1
flutter_svg: ^0.23.0
dev_dependencies:
flutter_test: