[Update] Main Page. Add Language swap button functionally.

src-ui/logics/main/useLanguageSettings.js

@@ -104,6 +104,12 @@ export const useLanguageSettings = () => {
         asyncStdoutToPython("/set/selected_translator_engines", send_obj);
     };
 
+    const runLanguageSwap = () => {
+        pendingSelectedYourLanguages();
+        pendingSelectedTargetLanguages();
+        asyncStdoutToPython("/run/swap_your_language_and_target_language");
+    };
+
 
     return {
         currentSelectedPresetTabNumber,
@@ -134,5 +140,7 @@ export const useLanguageSettings = () => {
         getSelectedTranslationEngines,
         updateSelectedTranslationEngines,
         setSelectedTranslationEngines,
+
+        runLanguageSwap,
     };
 };

src-ui/logics/useReceiveRoutes.js

@@ -97,6 +97,11 @@ export const useReceiveRoutes = () => {
         "/get/selected_translator_engines": updateSelectedTranslationEngines,
         "/set/selected_translator_engines": updateSelectedTranslationEngines,
 
+        "/run/swap_your_language_and_target_language": (payload) => {
+            updateSelectedYourLanguages(payload.your);
+            updateSelectedTargetLanguages(payload.target);
+        },
+
 
         // Language Selector
         "/get/list_languages": updateSelectableLanguageList,