feat(linux): add Control+Q shortcut to exit app

assets/CHANGELOG.md

@@ -4,6 +4,7 @@
 - feat(android): Android TV support
 - feat: add troubleshoot page
 - feat(windows): left click on tray icon opens app
+- feat(linux): add Control+Q shortcut to exit app
 - fix: also scan multicast when pressing on a subnet sync button
 - fix(android): missing app icon on Android 7
 - fix(android,ios): show error message when saving to gallery failed

lib/main.dart

@@ -1,7 +1,6 @@
 import 'dart:io';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:localsend_app/gen/strings.g.dart';
@@ -18,6 +17,7 @@ import 'package:localsend_app/util/device_info_helper.dart';
 import 'package:localsend_app/util/platform_check.dart';
 import 'package:localsend_app/util/tray_helper.dart';
 import 'package:localsend_app/widget/watcher/life_cycle_watcher.dart';
+import 'package:localsend_app/widget/watcher/shortcut_watcher.dart';
 import 'package:localsend_app/widget/watcher/tray_watcher.dart';
 import 'package:localsend_app/widget/watcher/window_watcher.dart';
 import 'package:routerino/routerino.dart';
@@ -65,11 +65,7 @@ class LocalSendApp extends ConsumerWidget {
               ref.read(networkStateProvider.notifier).init();
             }
           },
-          child: Shortcuts(
-            shortcuts: {
-              // The select button on AndroidTV needs this to work
-              LogicalKeySet(LogicalKeyboardKey.select): const ActivateIntent(),
-            },
+          child: ShortcutWatcher(
             child: MaterialApp(
               title: t.appName,
               locale: TranslationProvider.of(context).flutterLocale,

lib/widget/watcher/shortcut_watcher.dart

@@ -0,0 +1,34 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:localsend_app/util/platform_check.dart';
+
+class ShortcutWatcher extends StatelessWidget {
+  final Widget child;
+
+  const ShortcutWatcher({required this.child});
+
+  @override
+  Widget build(BuildContext context) {
+    return Shortcuts(
+      shortcuts: {
+        // The select button on AndroidTV needs this to work
+        LogicalKeySet(LogicalKeyboardKey.select): const ActivateIntent(),
+
+        // Add Control+Q binding for Linux
+        // https://github.com/localsend/localsend/issues/194
+        if (checkPlatform([TargetPlatform.linux]))
+          LogicalKeySet(LogicalKeyboardKey.control, LogicalKeyboardKey.keyQ): _ExitAppIntent(),
+      },
+      child: Actions(
+        actions: {
+          _ExitAppIntent: CallbackAction(onInvoke: (_) => exit(0)),
+        },
+        child: child,
+      ),
+    );
+  }
+}
+
+class _ExitAppIntent extends Intent {}