sync language

Signed-off-by: 21pages <pages21@163.com>

flutter/lib/common.dart

@@ -218,17 +218,6 @@ class MyTheme {
     return dark ? ThemeMode.dark : ThemeMode.light;
   }
 
-  static registerEventHandler() {
-    if (desktopType != DesktopType.main) {
-      platformFFI.registerEventHandler('theme', 'theme-$desktopType', (evt) {
-        String? dark = evt['dark'];
-        if (dark != null) {
-          changeTo(dark == 'true');
-        }
-      });
-    }
-  }
-
   static ColorThemeExtension color(BuildContext context) {
     return Theme.of(context).extension<ColorThemeExtension>()!;
   }
@@ -238,14 +227,6 @@ class MyTheme {
   }
 }
 
-class ThemeModeNotifier {
-  final ValueNotifier<Brightness> brightness;
-  ThemeModeNotifier(this.brightness);
-  changeThemeBrightness({required Brightness brightness}) {
-    this.brightness.value = brightness;
-  }
-}
-
 bool isDarkTheme() {
   return Get.isDarkMode;
 }

flutter/lib/desktop/pages/desktop_setting_page.dart

@@ -218,6 +218,7 @@ class _UserInterfaceState extends State<_UserInterface>
         onChanged: (key) async {
           await bind.mainSetLocalOption(key: "lang", value: key);
           Get.forceAppUpdate();
+          bind.mainChangeLanguage(lang: key);
         },
       ).marginOnly(left: _kContentHMargin);
     });

flutter/lib/main.dart

@@ -79,7 +79,7 @@ Future<void> initEnv(String appType) async {
   await initGlobalFFI();
   // await Firebase.initializeApp();
   refreshCurrentUser();
-  MyTheme.registerEventHandler();
+  _registerEventHandler();
 }
 
 void runMainApp(bool startService) async {
@@ -270,3 +270,17 @@ _keepScaleBuilder() {
     );
   };
 }
+
+_registerEventHandler() {
+  if (desktopType != DesktopType.main) {
+    platformFFI.registerEventHandler('theme', 'theme', (evt) {
+      String? dark = evt['dark'];
+      if (dark != null) {
+        MyTheme.changeTo(dark == 'true');
+      }
+    });
+    platformFFI.registerEventHandler('language', 'language', (_) {
+      Get.forceAppUpdate();
+    });
+  }
+}