Qt: Capitalize region names

Fixes base translation loading.

src/duckstation-qt/CMakeLists.txt

@@ -146,7 +146,7 @@ set(TS_FILES
   translations/duckstation-qt_de.ts
   translations/duckstation-qt_en.ts
   translations/duckstation-qt_es.ts
-  translations/duckstation-qt_es-es.ts
+  translations/duckstation-qt_es-ES.ts
   translations/duckstation-qt_fr.ts
   translations/duckstation-qt_he.ts
   translations/duckstation-qt_it.ts
@@ -154,11 +154,11 @@ set(TS_FILES
   translations/duckstation-qt_ko.ts
   translations/duckstation-qt_nl.ts
   translations/duckstation-qt_pl.ts
-  translations/duckstation-qt_pt-br.ts
-  translations/duckstation-qt_pt-pt.ts
+  translations/duckstation-qt_pt-BR.ts
+  translations/duckstation-qt_pt-PT.ts
   translations/duckstation-qt_ru.ts
   translations/duckstation-qt_tr.ts
-  translations/duckstation-qt_zh-cn.ts
+  translations/duckstation-qt_zh-CN.ts
 )
 
 add_executable(duckstation-qt ${SRCS} ${QM_FILES})

src/duckstation-qt/duckstation-qt.vcxproj

@@ -309,16 +309,16 @@
     <QtTs Include="translations\duckstation-qt_pl.ts">
       <FileType>Document</FileType>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_pt-br.ts">
+    <QtTs Include="translations\duckstation-qt_pt-BR.ts">
       <FileType>Document</FileType>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_pt-pt.ts">
+    <QtTs Include="translations\duckstation-qt_pt-PT.ts">
       <FileType>Document</FileType>
     </QtTs>
     <QtTs Include="translations\duckstation-qt_ru.ts">
       <FileType>Document</FileType>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_zh-cn.ts">
+    <QtTs Include="translations\duckstation-qt_zh-CN.ts">
       <FileType>Document</FileType>
     </QtTs>
   </ItemGroup>

src/duckstation-qt/duckstation-qt.vcxproj.filters

@@ -243,16 +243,16 @@
     <QtTs Include="translations\duckstation-qt_nl.ts">
       <Filter>translations</Filter>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_pt-br.ts">
+    <QtTs Include="translations\duckstation-qt_pt-BR.ts">
       <Filter>translations</Filter>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_pt-pt.ts">
+    <QtTs Include="translations\duckstation-qt_pt-PT.ts">
       <Filter>translations</Filter>
     </QtTs>
     <QtTs Include="translations\duckstation-qt_ru.ts">
       <Filter>translations</Filter>
     </QtTs>
-    <QtTs Include="translations\duckstation-qt_zh-cn.ts">
+    <QtTs Include="translations\duckstation-qt_zh-CN.ts">
       <Filter>translations</Filter>
     </QtTs>
     <QtTs Include="translations\duckstation-qt_pl.ts">

src/duckstation-qt/qttranslations.cpp

@@ -49,6 +49,7 @@ struct GlyphInfo
   const char16_t* used_glyphs;
 };
 
+static QString FixLanguageName(const QString& language);
 static std::string GetFontPath(const GlyphInfo* gi);
 static void UpdateGlyphRanges(const std::string_view& language);
 static const GlyphInfo* GetGlyphInfo(const std::string_view& language);
@@ -67,8 +68,9 @@ void QtHost::InstallTranslator()
   }
   s_translators.clear();
 
-  const QString language(
-    QString::fromStdString(Host::GetBaseStringSettingValue("Main", "Language", GetDefaultLanguage())));
+  // Fix old language names.
+  const QString language =
+    FixLanguageName(QString::fromStdString(Host::GetBaseStringSettingValue("Main", "Language", GetDefaultLanguage())));
 
   // install the base qt translation first
 #ifndef __APPLE__
@@ -77,15 +79,17 @@ void QtHost::InstallTranslator()
   const QString base_dir = QStringLiteral("%1/../Resources/translations").arg(qApp->applicationDirPath());
 #endif
 
-  QString base_path(QStringLiteral("%1/qtbase_%2.qm").arg(base_dir).arg(language));
+  // Qt base uses underscores instead of hyphens.
+  const QString qt_language = QString(language).replace(QChar('-'), QChar('_'));
+  QString base_path(QStringLiteral("%1/qt_%2.qm").arg(base_dir).arg(qt_language));
   bool has_base_ts = QFile::exists(base_path);
   if (!has_base_ts)
   {
     // Try without the country suffix.
-    const int index = language.indexOf('-');
+    const int index = language.lastIndexOf('_');
     if (index > 0)
     {
-      base_path = QStringLiteral("%1/qtbase_%2.qm").arg(base_dir).arg(language.left(index));
+      base_path = QStringLiteral("%1/qt_%2.qm").arg(base_dir).arg(language.left(index));
       has_base_ts = QFile::exists(base_path);
     }
   }
@@ -134,6 +138,18 @@ void QtHost::InstallTranslator()
   Host::ClearTranslationCache();
 }
 
+QString QtHost::FixLanguageName(const QString& language)
+{
+  if (language == QStringLiteral("pt-br"))
+    return QStringLiteral("pt-BR");
+  else if (language == QStringLiteral("pt-pt"))
+    return QStringLiteral("pt-PT");
+  else if (language == QStringLiteral("zh-cn"))
+    return QStringLiteral("zh-CN");
+  else
+    return language;
+}
+
 s32 Host::Internal::GetTranslatedStringImpl(const std::string_view& context, const std::string_view& msg, char* tbuf,
                                             size_t tbuf_space)
 {
@@ -184,7 +200,7 @@ std::vector<std::pair<QString, QString>> QtHost::GetAvailableLanguageList()
   return {{QStringLiteral("English"), QStringLiteral("en")},
           {QStringLiteral("Deutsch"), QStringLiteral("de")},
           {QStringLiteral("Español de Hispanoamérica"), QStringLiteral("es")},
-          {QStringLiteral("Español de España"), QStringLiteral("es-es")},
+          {QStringLiteral("Español de España"), QStringLiteral("es-ES")},
           {QStringLiteral("Français"), QStringLiteral("fr")},
           {QStringLiteral("עברית"), QStringLiteral("he")},
           {QStringLiteral("日本語"), QStringLiteral("ja")},
@@ -192,11 +208,11 @@ std::vector<std::pair<QString, QString>> QtHost::GetAvailableLanguageList()
           {QStringLiteral("Italiano"), QStringLiteral("it")},
           {QStringLiteral("Nederlands"), QStringLiteral("nl")},
           {QStringLiteral("Polski"), QStringLiteral("pl")},
-          {QStringLiteral("Português (Pt)"), QStringLiteral("pt-pt")},
-          {QStringLiteral("Português (Br)"), QStringLiteral("pt-br")},
+          {QStringLiteral("Português (Pt)"), QStringLiteral("pt-PT")},
+          {QStringLiteral("Português (Br)"), QStringLiteral("pt-BR")},
           {QStringLiteral("Русский"), QStringLiteral("ru")},
           {QStringLiteral("Türkçe"), QStringLiteral("tr")},
-          {QStringLiteral("简体中文"), QStringLiteral("zh-cn")}};
+          {QStringLiteral("简体中文"), QStringLiteral("zh-CN")}};
 }
 
 const char* QtHost::GetDefaultLanguage()

src/duckstation-qt/resources/resources.qrc

@@ -278,16 +278,16 @@
     <file>icons/flags/nl@2x.png</file>
     <file>icons/flags/pl.png</file>
     <file>icons/flags/pl@2x.png</file>
-    <file>icons/flags/pt-br.png</file>
-    <file>icons/flags/pt-br@2x.png</file>
-    <file>icons/flags/pt-pt.png</file>
-    <file>icons/flags/pt-pt@2x.png</file>
+    <file>icons/flags/pt-BR.png</file>
+    <file>icons/flags/pt-BR@2x.png</file>
+    <file>icons/flags/pt-PT.png</file>
+    <file>icons/flags/pt-PT@2x.png</file>
     <file>icons/flags/ru.png</file>
     <file>icons/flags/ru@2x.png</file>
     <file>icons/flags/tr.png</file>
     <file>icons/flags/tr@2x.png</file>
-    <file>icons/flags/zh-cn.png</file>
-    <file>icons/flags/zh-cn@2x.png</file>
+    <file>icons/flags/zh-CN.png</file>
+    <file>icons/flags/zh-CN@2x.png</file>
     <file>icons/folder-open.png</file>
     <file>icons/folder-open@2x.png</file>
     <file>icons/github.png</file>