fix: icon permissions and GTK single instance

- Use GTK default flags for single instance
- Fix icon path to absolute /usr/share/icons
- Add postinstall chmod 644 for icon
- Remove Dart-level single instance code

lib/core/router/app_router.dart

@@ -50,11 +50,11 @@ GoRouter router(RouterRef ref) {
 }
 
 final tabLocations = [
-  const HomeRoute().location,           // 0: Главная
+  const HomeRoute().location, // 0: Главная
-  const ProxiesRoute().location,        // 1: Локации
+  const ProxiesRoute().location, // 1: Локации
-  const PerAppProxyRoute().location,    // 2: Исключения
+  const PerAppProxyRoute().location, // 2: Исключения
-  const SettingsRoute().location,       // 3: Настройки
+  const SettingsRoute().location, // 3: Настройки
-  const AboutRoute().location,          // 4: О программе
+  const AboutRoute().location, // 4: О программе
 ];
 
 int getCurrentIndex(BuildContext context) {
@@ -66,9 +66,9 @@ int getCurrentIndex(BuildContext context) {
   // Проверяем остальные маршруты по порядку
   // ВАЖНО: более длинные пути проверяем раньше!
   if (location.startsWith(const PerAppProxyRoute().location)) return 2; // /settings/per-app-proxy
-  if (location.startsWith(const ProxiesRoute().location)) return 1;     // /proxies
+  if (location.startsWith(const ProxiesRoute().location)) return 1; // /proxies
-  if (location.startsWith(const SettingsRoute().location)) return 3;    // /settings
+  if (location.startsWith(const SettingsRoute().location)) return 3; // /settings
-  if (location.startsWith(const AboutRoute().location)) return 4;       // /about
+  if (location.startsWith(const AboutRoute().location)) return 4; // /about
 
   return 0;
 }

lib/features/common/adaptive_root_scaffold.dart

@@ -172,49 +172,49 @@ class _CustomAdaptiveScaffold extends HookConsumerWidget {
               child: ListView(
                 padding: const EdgeInsets.symmetric(horizontal: 16),
                 children: [
-                        // О программе
+                  // О программе
-                        Builder(
+                  Builder(
-                          builder: (context) {
+                    builder: (context) {
-                            final t = ref.watch(translationsProvider);
+                      final t = ref.watch(translationsProvider);
-                            return _DrawerMenuItem(
+                      return _DrawerMenuItem(
-                              icon: FluentIcons.info_24_regular,
+                        icon: FluentIcons.info_24_regular,
-                              selectedIcon: FluentIcons.info_24_filled,
+                        selectedIcon: FluentIcons.info_24_filled,
-                              label: t.about.pageTitle,
+                        label: t.about.pageTitle,
-                              isSelected: false,
+                        isSelected: false,
-                              onTap: () {
+                        onTap: () {
-                                RootScaffold.stateKey.currentState?.closeDrawer();
+                          RootScaffold.stateKey.currentState?.closeDrawer();
-                                const AboutRoute().push(context);
+                          const AboutRoute().push(context);
-                              },
+                        },
-                            );
+                      );
-                          },
+                    },
-                        ),
-                        // Настройки
-                        Builder(
-                          builder: (context) {
-                            final t = ref.watch(translationsProvider);
-                            return _DrawerMenuItem(
-                              icon: FluentIcons.settings_24_regular,
-                              selectedIcon: FluentIcons.settings_24_filled,
-                              label: t.settings.pageTitle,
-                              isSelected: false,
-                              onTap: () {
-                                RootScaffold.stateKey.currentState?.closeDrawer();
-                                const SettingsRoute().push(context);
-                              },
-                            );
-                          },
-                        ),
-                        const SizedBox(height: 16),
-                        const Divider(),
-                        const _DrawerThemeItem(),
-                        const _DrawerLanguageItem(),
-                        const _DrawerLicensesItem(),
-                      ],
-                    ),
                   ),
+                  // Настройки
+                  Builder(
+                    builder: (context) {
+                      final t = ref.watch(translationsProvider);
+                      return _DrawerMenuItem(
+                        icon: FluentIcons.settings_24_regular,
+                        selectedIcon: FluentIcons.settings_24_filled,
+                        label: t.settings.pageTitle,
+                        isSelected: false,
+                        onTap: () {
+                          RootScaffold.stateKey.currentState?.closeDrawer();
+                          const SettingsRoute().push(context);
+                        },
+                      );
+                    },
+                  ),
+                  const SizedBox(height: 16),
+                  const Divider(),
+                  const _DrawerThemeItem(),
+                  const _DrawerLanguageItem(),
+                  const _DrawerLicensesItem(),
                 ],
               ),
             ),
+          ],
+        ),
+      ),
       body: AdaptiveLayout(
         primaryNavigation: SlotLayout(
           config: <Breakpoint, SlotLayoutConfig>{

lib/features/per_app_proxy/overview/per_app_proxy_page.dart

@@ -68,15 +68,15 @@ class PerAppProxyPage extends HookConsumerWidget with PresLogger {
           ),
       ],
       bottom: PlatformUtils.isDesktop
-        ? null // На Desktop только вкладка "Домены"
+          ? null // На Desktop только вкладка "Домены"
-        : TabBar(
+          : TabBar(
-            controller: tabController,
+              controller: tabController,
-            onTap: (index) => currentTab.value = index,
+              onTap: (index) => currentTab.value = index,
-            tabs: [
+              tabs: [
-              Tab(text: t.settings.network.excludedDomains.domainsTab),
+                Tab(text: t.settings.network.excludedDomains.domainsTab),
-              Tab(text: t.settings.network.excludedDomains.appsTab),
+                Tab(text: t.settings.network.excludedDomains.appsTab),
-            ],
+              ],
-          ),
+            ),
     );
 
     final searchAppBar = SliverAppBar(

lib/features/window/notifier/window_notifier.dart

@@ -19,11 +19,6 @@ class WindowNotifier extends _$WindowNotifier with AppLogger {
   Future<void> build() async {
     if (!PlatformUtils.isDesktop) return;
 
-    // if (Platform.isWindows) {
-    //   loggy.debug("ensuring single instance");
-    //   await WindowsSingleInstance.ensureSingleInstance([], "Hiddify");
-    // }
-
     await windowManager.ensureInitialized();
     await windowManager.setMinimumSize(minimumWindowSize);
     await windowManager.setSize(defaultWindowSize);

lib/main.dart

@@ -1,70 +1,9 @@
-import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:umbrix/bootstrap.dart';
 import 'package:umbrix/core/model/environment.dart';
 
-final lockFile = File('/tmp/umbrix.lock');
-
-Future<void> _activateExistingWindow() async {
-  // Try to activate existing window via wmctrl
-  try {
-    final result = await Process.run('wmctrl', ['-a', 'Umbrix']);
-    if (result.exitCode == 0) return;
-  } catch (e) {
-    // wmctrl not available, try xdotool
-    try {
-      await Process.run('xdotool', ['search', '--name', 'Umbrix', 'windowactivate']);
-    } catch (e) {
-      // No window activation possible
-    }
-  }
-}
-
-void _cleanupLockFile() {
-  try {
-    if (lockFile.existsSync()) {
-      lockFile.deleteSync();
-    }
-  } catch (e) {
-    // Ignore cleanup errors
-  }
-}
-
 void main() async {
-  // Single instance check - BEFORE Flutter initialization
-  if (Platform.isLinux || Platform.isWindows) {
-    if (await lockFile.exists()) {
-      // Check if process is still alive
-      try {
-        final pidString = await lockFile.readAsString();
-        final pid = int.tryParse(pidString.trim());
-        if (pid != null) {
-          final result = await Process.run('ps', ['-p', pid.toString()]);
-          if (result.exitCode != 0) {
-            // Process dead, remove stale lock
-            await lockFile.delete();
-          } else {
-            // Process alive - activate window and exit
-            await _activateExistingWindow();
-            exit(0);
-          }
-        }
-      } catch (e) {
-        // Error reading lock, remove it
-        try { await lockFile.delete(); } catch (e) {}
-      }
-    }
-    
-    // Create lock file
-    try {
-      await lockFile.create();
-      await lockFile.writeAsString(pid.toString());
-    } catch (e) {
-      // If can't create, continue anyway
-    }
-  }
-
   final widgetsBinding = WidgetsFlutterBinding.ensureInitialized();
 
   SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);

linux/my_application.cc

@@ -14,7 +14,7 @@ struct _MyApplication
 };
 
 G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
-#define ICON_PATH "./umbrix.png"
+#define ICON_PATH "/usr/share/icons/hicolor/256x256/apps/umbrix.png"
 
 // Implements GApplication::activate.
 static void my_application_activate(GApplication *application)

linux/packaging/deb/make_config.yaml

@@ -11,6 +11,7 @@ essential: false
 icon: ./logo/ic_launcher_playstore.png
 
 postinstall_scripts:
+  - chmod 644 /usr/share/icons/hicolor/256x256/apps/umbrix.png
   - echo "Installed Umbrix VPN"
 postuninstall_scripts:
   - echo "Uninstalled Umbrix"