Updated translations and fixed issue with zh_CN selection on MacOS

Author: pyushkevich

GUI/Qt/Translations/itksnap_de.ts

@@ -1031,21 +1031,31 @@ main(int argc, char *argv[])
     // Load the user preferences
     gui->LoadUserPreferences();
 
-    // Print locale information
+    // Set the locale from the command line argument
     if (argdata.gui_language.size())
     {
       QLocale::setDefault(QLocale(argdata.gui_language.c_str()));
       qDebug() << "ITK-SNAP using locale:" << QLocale().name();
     }
+
+    // Adjust the locale for discrepancy between zh_CN and zh-Hans_US codes that
+    // are used on MacOS
+    QLocale locale;
+    if(locale.language() == QLocale::Chinese && locale.script() == QLocale::SimplifiedChineseScript)
+    {
+      QLocale::setDefault(QLocale(QLocale::Chinese, QLocale::China));
+      locale = QLocale();
+    }
+
     QTranslator translator;
-    if(translator.load(QLocale(), "itksnap", "_", ":/i18n"))
+    if(translator.load(locale, "itksnap", "_", ":/i18n"))
     {
-      qDebug() << "Loaded translator for locale" << QLocale().name();
+      qDebug() << "Loaded translator for locale" << locale.name();
       QCoreApplication::installTranslator(&translator);
     }
     else
     {
-      qDebug() << "Failed to load translator for locale" << QLocale().name();
+      qDebug() << "Failed to load translator for locale" << locale.name();
     }
 
     QTranslator translator_sys;
@@ -1057,14 +1067,14 @@ main(int argc, char *argv[])
       translator_sys_path = translator_sys_path.replace("Contents/translations","Contents/Resources/translations");
     }
 #endif
-    if (translator_sys.load(QLocale(), "qt", "_", translator_sys_path))
+    if (translator_sys.load(locale, "qt", "_", translator_sys_path))
     {
-      qDebug() << "Loaded qtbase translator for locale" << QLocale().name();
+      qDebug() << "Loaded qtbase translator for locale" << locale.name();
       QCoreApplication::installTranslator(&translator_sys);
     }
     else
     {
-      qDebug() << "Failed to load qtbase translator for locale" << QLocale().name();
+      qDebug() << "Failed to load qtbase translator for locale" << locale.name();
       qDebug() << "  Search paths considered: " << translator_sys_path;
     }
 

GUI/Qt/Translations/itksnap_es.ts

@@ -22,7 +22,8 @@
 	<array>
 	    <string>en</string>
 			<string>es</string>
-			<string>zh_CN</string>
+			<string>zh-Hans</string>
+			<string>de</string>
 	</array>
 	<key>CFBundleSignature</key>
 	<string>itksnap</string>

GUI/Qt/Translations/itksnap_zh_CN.ts

@@ -218,7 +218,7 @@
     "        for con in self.all_con:\n",
     "            all_strings = [x for xs in con['tran'] for x in xs['strings']]\n",
     "            if len(all_strings):\n",
-    "                print(f\"Translating {con['context'].find('name').text}\")\n",
+    "                print(f\"Translating {con['context'].find('name').text} to {self.locale}\")\n",
     "                gpt = translate(client, self.locale, all_strings)\n",
     "                if gpt is None:\n",
     "                    continue\n",
@@ -255,8 +255,32 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
+      "Translating GeneralLayerInspector\n",
+      "Updating GeneralLayerInspector\n",
+      "Translating LayerInspectorRowDelegate\n",
+      "Updating LayerInspectorRowDelegate\n",
+      "Translating MeshImportFileSelectionPage\n",
+      "Updating MeshImportFileSelectionPage\n",
+      "Translating ViewPanel3D\n",
+      "Updating ViewPanel3D\n",
       "Wrote /Users/pauly/tk/itksnap/itksnap/GUI/Qt/Translations/itksnap_de.ts\n",
+      "Translating GeneralLayerInspector\n",
+      "Updating GeneralLayerInspector\n",
+      "Translating LayerInspectorRowDelegate\n",
+      "Updating LayerInspectorRowDelegate\n",
+      "Translating MeshImportFileSelectionPage\n",
+      "Updating MeshImportFileSelectionPage\n",
+      "Translating ViewPanel3D\n",
+      "Updating ViewPanel3D\n",
       "Wrote /Users/pauly/tk/itksnap/itksnap/GUI/Qt/Translations/itksnap_es.ts\n",
+      "Translating GeneralLayerInspector\n",
+      "Updating GeneralLayerInspector\n",
+      "Translating LayerInspectorRowDelegate\n",
+      "Updating LayerInspectorRowDelegate\n",
+      "Translating MeshImportFileSelectionPage\n",
+      "Updating MeshImportFileSelectionPage\n",
+      "Translating ViewPanel3D\n",
+      "Updating ViewPanel3D\n",
       "Wrote /Users/pauly/tk/itksnap/itksnap/GUI/Qt/Translations/itksnap_zh_CN.ts\n"
      ]
     }