优化翻译界面的逻辑小问题

lib/modules/picture_translation/views/picture_translation_view.dart

@@ -242,6 +242,9 @@ class PictureTranslationView extends GetView<PictureTranslationController> {
       isDarkMode,
       languages: langs,
       currentLanguage: currentLanguage,
+      excludeLanguage: isSource
+          ? controller.targetLanguageChineseName.value
+          : controller.sourceLanguageChineseName.value,
       includeAutoDetect: isSource,
       translateLanguageNames: true, // 开启多语言显示，语言中文名作为翻译键
       onSelected: (name) {

lib/modules/text_translation/controllers/text_translation_controller.dart

@@ -387,6 +387,9 @@ class TextTranslationController extends GetxController {
       currentLanguage: isSourceLanguage
           ? sourceLanguageChineseName.value
           : targetLanguageChineseName.value,
+      excludeLanguage: isSourceLanguage
+          ? targetLanguageChineseName.value
+          : sourceLanguageChineseName.value,
       includeAutoDetect: isSourceLanguage,
       translateLanguageNames: true, // 开启多语言显示，语言中文名作为翻译键
       onSelected: (name) {

lib/modules/translation/views/dialogs/language_selection_dialog.dart

@@ -12,12 +12,14 @@ class LanguageSelectionDialog {
   /// [currentLanguage] 当前选中的语言中文名称
   /// [includeAutoDetect] 是否在源语言首项加入“自动检测”选项（仅文本翻译需要）
   /// [translateLanguageNames] 是否将语言名称作为翻译键进行翻译（语音翻译保持原逻辑）
+  /// [excludeLanguage] 需排除的语言中文名称（防止原语言与目标语言相同）
   /// [onSelected] 选中项回调，参数为中文名称
   static void show(
     bool isSource,
     bool isDarkMode, {
     List<String>? languages,
     String? currentLanguage,
+    String? excludeLanguage,
     bool includeAutoDetect = false,
     bool translateLanguageNames = true,
     ValueChanged<String>? onSelected,
@@ -31,6 +33,11 @@ class LanguageSelectionDialog {
 
     final displayLanguages = List<String>.from(languages ?? fallbackLanguages);
 
+    // 过滤掉对侧已选语言，防止原语言与目标语言相同
+    if (excludeLanguage != null && excludeLanguage.isNotEmpty) {
+      displayLanguages.remove(excludeLanguage);
+    }
+
     // 源语言是否展示“自动检测”选项（仅列表显示，值为中文“自动检测”）
     final hasAutoDetect = includeAutoDetect && isSource;
 

lib/modules/translation/views/translation_view.dart

@@ -316,9 +316,11 @@ class TranslationView extends GetView<TranslationController> {
                 sourceText: () => controller.sourceLanguage.value.split(' ')[0],
                 targetText: () => controller.targetLanguage.value.split(' ')[0],
                 onTapSource: () =>
-                    LanguageSelectionDialog.show(true, isDarkMode),
+                    LanguageSelectionDialog.show(true, isDarkMode,
+                        excludeLanguage: controller.targetLanguage.value),
                 onTapTarget: () =>
-                    LanguageSelectionDialog.show(false, isDarkMode),
+                    LanguageSelectionDialog.show(false, isDarkMode,
+                        excludeLanguage: controller.sourceLanguage.value),
                 onSwap: controller.swapLanguages,
                 translateLanguageNames: true, // 是否翻译语言名称
                 fontSizeSp: 15,
@@ -1022,8 +1024,10 @@ class TranslationView extends GetView<TranslationController> {
       child: LanguageSelectorBar(
         sourceText: () => controller.sourceLanguage.value.split(' ')[0],
         targetText: () => controller.targetLanguage.value.split(' ')[0],
-        onTapSource: () => LanguageSelectionDialog.show(true, isDarkMode),
+        onTapSource: () => LanguageSelectionDialog.show(true, isDarkMode,
-        onTapTarget: () => LanguageSelectionDialog.show(false, isDarkMode),
+            excludeLanguage: controller.targetLanguage.value),
+        onTapTarget: () => LanguageSelectionDialog.show(false, isDarkMode,
+            excludeLanguage: controller.sourceLanguage.value),
         onSwap: controller.swapLanguages,
         translateLanguageNames: true, // 是否翻译语言名称
         fontSizeSp: 15,

lib/modules/translation/views/widgets/face_to_face_layout.dart

@@ -258,6 +258,9 @@ class _FaceToFaceLayoutState extends State<FaceToFaceLayout> {
 
   /// 显示语言选择对话框
   void _showLanguageSelectionDialog(bool isSource, bool isDarkMode) {
-    LanguageSelectionDialog.show(isSource, isDarkMode);
+    LanguageSelectionDialog.show(isSource, isDarkMode,
+        excludeLanguage: isSource
+            ? widget.controller.targetLanguage.value
+            : widget.controller.sourceLanguage.value);
   }
 }

local_plugins/azure_speech/android/src/main/kotlin/com/yunqiinnovation/azure_speech/DoubaoE2ETranslateHelper.kt

@@ -231,7 +231,7 @@ class DoubaoE2ETranslateHelper(
                         Type.SourceSubtitleResponse -> {
                             Log.d(TAG, "onMessage: SourceSubtitleResponse text='${text}'")
                             recvSourceText.add(text)
-                            callback?.onPartialSourceText(sessionId, text)
+                            callback?.onPartialSourceText(sessionId, recvSourceText.joinToString(" "))
                         }
                         Type.SourceSubtitleEnd -> {
                             Log.d(TAG, "onMessage: SourceSubtitleEnd")
@@ -245,7 +245,7 @@ class DoubaoE2ETranslateHelper(
                         Type.TranslationSubtitleResponse -> {
                             Log.d(TAG, "onMessage: TranslationSubtitleResponse text='${text}'")
                             recvText.add(text)
-                            callback?.onPartialText(sessionId, text)
+                            callback?.onPartialText(sessionId, recvText.joinToString(" "))
                         }
                         Type.TranslationSubtitleEnd -> {
                             Log.d(TAG, "onMessage: TranslationSubtitleEnd")

local_plugins/azure_speech/ios/azure_speech/Sources/azure_speech/DoubaoE2ETranslateHelper.swift

@@ -457,7 +457,7 @@ class DoubaoE2ETranslateHelper: NSObject, URLSessionWebSocketDelegate {
             case .sourceSubtitleResponse:
                 // 高频事件，取消 info 日志
                 recvSourceText.append(text)
-                callback?.onPartialSourceText(sessionId: sessionId, text: text)
+                callback?.onPartialSourceText(sessionId: sessionId, text: recvSourceText.joined(separator: " "))
             case .sourceSubtitleEnd:
                 os_log("SourceSubtitleEnd, finalSrcLen=%{public}d",
                        log: log, type: .info, recvSourceText.joined(separator: " ").count)
@@ -467,7 +467,7 @@ class DoubaoE2ETranslateHelper: NSObject, URLSessionWebSocketDelegate {
             case .translationSubtitleResponse:
                 // 高频事件，取消 info 日志
                 recvText.append(text)
-                callback?.onPartialText(sessionId: sessionId, text: text)
+                callback?.onPartialText(sessionId: sessionId, text: recvText.joined(separator: " "))
             case .translationSubtitleEnd:
                 os_log("TranslationSubtitleEnd, finalTgtLen=%{public}d",
                        log: log, type: .info, recvText.joined(separator: " ").count)
@@ -525,14 +525,14 @@ class DoubaoE2ETranslateHelper: NSObject, URLSessionWebSocketDelegate {
                 recvSourceText.removeAll()
             case "SourceSubtitleResponse":
                 recvSourceText.append(t)
-                callback?.onPartialSourceText(sessionId: sessionId, text: t)
+                callback?.onPartialSourceText(sessionId: sessionId, text: recvSourceText.joined(separator: " "))
             case "SourceSubtitleEnd":
                 callback?.onFinalSourceText(sessionId: sessionId, finalText: recvSourceText.joined(separator: " "))
             case "TranslationSubtitleStart":
                 recvText.removeAll()
             case "TranslationSubtitleResponse":
                 recvText.append(t)
-                callback?.onPartialText(sessionId: sessionId, text: t)
+                callback?.onPartialText(sessionId: sessionId, text: recvText.joined(separator: " "))
             case "TranslationSubtitleEnd":
                 callback?.onFinalTranslatedText(sessionId: sessionId, finalText: recvText.joined(separator: " "))
                 startNewSubSession()