make new languages selectable only with config file

launcher/languages.cpp

@@ -102,6 +102,9 @@ void Languages::fillLanguages(QComboBox * widget, bool includeAll)
 
 	for(const auto & language : Languages::getLanguageList())
 	{
+		if(!language.selectable && activeLanguage != language.identifier)
+			continue;
+
 		QString displayName = generateLanguageName(language);
 		QVariant userData = QString::fromStdString(language.identifier);
 
@@ -135,6 +138,9 @@ void Languages::fillLanguages(QListWidget * widget, bool includeAll)
 
 	for(const auto & language : Languages::getLanguageList())
 	{
+		if(!language.selectable && activeLanguage != language.identifier)
+			continue;
+
 		QString displayName = generateLanguageName(language);
 		QVariant userData = QString::fromStdString(language.identifier);
 

launcher/mainwindow_moc.cpp

@@ -135,7 +135,7 @@ void MainWindow::detectPreferredLanguage()
 		logGlobal->info("Preferred language: %s", userLang.toStdString());
 
 		for (auto const & vcmiLang : Languages::getLanguageList())
-			if (vcmiLang.tagIETF == userLang.toStdString())
+			if (vcmiLang.tagIETF == userLang.toStdString() && vcmiLang.selectable)
 				selectedLanguage = vcmiLang.identifier;
 
 		if (!selectedLanguage.empty())

lib/texts/Languages.h

@@ -74,32 +74,35 @@ struct Options
 
 	/// Ruleset for plural forms in this language
 	EPluralForms pluralForms = EPluralForms::NONE;
+
+	/// Selectable in launcher
+	bool selectable;
 };
 
 inline const auto & getLanguageList()
 {
 	static const std::array<Options, 20> languages
 	{ {
-		{ "czech",       "Czech",       "Čeština",    "CP1250", "cs", "cze", "%d.%m.%Y %H:%M",    EPluralForms::CZ_3 },
-		{ "chinese",     "Chinese",     "简体中文",    "GBK",    "zh", "chi", "%Y-%m-%d %H:%M",    EPluralForms::VI_1 }, // Note: actually Simplified Chinese
-		{ "english",     "English",     "English",    "CP1252", "en", "eng", "%Y-%m-%d %H:%M",    EPluralForms::EN_2 }, // English uses international date/time format here
-		{ "finnish",     "Finnish",     "Suomi",      "CP1252", "fi", "fin", "%d.%m.%Y %H:%M",    EPluralForms::EN_2 },
-		{ "french",      "French",      "Français",   "CP1252", "fr", "fre", "%d/%m/%Y %H:%M",    EPluralForms::FR_2 },
-		{ "german",      "German",      "Deutsch",    "CP1252", "de", "ger", "%d.%m.%Y %H:%M",    EPluralForms::EN_2 },
-		{ "greek",       "Greek",       "ελληνικά",   "CP1253", "el", "ell", "%d/%m/%Y %H:%M",    EPluralForms::EN_2 },
-		{ "hungarian",   "Hungarian",   "Magyar",     "CP1250", "hu", "hun", "%Y. %m. %d. %H:%M", EPluralForms::EN_2 },
-		{ "italian",     "Italian",     "Italiano",   "CP1250", "it", "ita", "%d/%m/%Y %H:%M",    EPluralForms::EN_2 },
-		{ "japanese",    "Japanese",    "日本語",      "UTF-8",  "ja", "jpn", "%Y年%m月%d日 %H:%M", EPluralForms::NONE },
-		{ "korean",      "Korean",      "한국어",      "CP949",  "ko", "kor", "%Y-%m-%d %H:%M",    EPluralForms::VI_1 },
-		{ "polish",      "Polish",      "Polski",     "CP1250", "pl", "pol", "%d.%m.%Y %H:%M",    EPluralForms::PL_3 },
-		{ "portuguese",  "Portuguese",  "Português",  "CP1252", "pt", "por", "%d/%m/%Y %H:%M",    EPluralForms::EN_2 }, // Note: actually Brazilian Portuguese
-		{ "russian",     "Russian",     "Русский",    "CP1251", "ru", "rus", "%d.%m.%Y %H:%M",    EPluralForms::UK_3 },
-		{ "spanish",     "Spanish",     "Español",    "CP1252", "es", "spa", "%d/%m/%Y %H:%M",    EPluralForms::EN_2 },
-		{ "swedish",     "Swedish",     "Svenska",    "CP1252", "sv", "swe", "%Y-%m-%d %H:%M",    EPluralForms::EN_2 },
-		{ "norwegian",   "Norwegian",   "Norsk",      "CP1252", "no", "nor", "%d/%m/%Y %H:%M",    EPluralForms::EN_2 },
-		{ "turkish",     "Turkish",     "Türkçe",     "CP1254", "tr", "tur", "%d.%m.%Y %H:%M",    EPluralForms::EN_2 },
-		{ "ukrainian",   "Ukrainian",   "Українська", "CP1251", "uk", "ukr", "%d.%m.%Y %H:%M",    EPluralForms::UK_3 },
-		{ "vietnamese",  "Vietnamese",  "Tiếng Việt", "UTF-8",  "vi", "vie", "%d/%m/%Y %H:%M",    EPluralForms::VI_1 }, // Fan translation uses special encoding
+		{ "czech",       "Czech",       "Čeština",    "CP1250", "cs", "cze", "%d.%m.%Y %H:%M",    EPluralForms::CZ_3, true  },
+		{ "chinese",     "Chinese",     "简体中文",    "GBK",    "zh", "chi", "%Y-%m-%d %H:%M",    EPluralForms::VI_1, true  }, // Note: actually Simplified Chinese
+		{ "english",     "English",     "English",    "CP1252", "en", "eng", "%Y-%m-%d %H:%M",    EPluralForms::EN_2, true  }, // English uses international date/time format here
+		{ "finnish",     "Finnish",     "Suomi",      "CP1252", "fi", "fin", "%d.%m.%Y %H:%M",    EPluralForms::EN_2, true  },
+		{ "french",      "French",      "Français",   "CP1252", "fr", "fre", "%d/%m/%Y %H:%M",    EPluralForms::FR_2, true  },
+		{ "german",      "German",      "Deutsch",    "CP1252", "de", "ger", "%d.%m.%Y %H:%M",    EPluralForms::EN_2, true  },
+		{ "greek",       "Greek",       "ελληνικά",   "CP1253", "el", "ell", "%d/%m/%Y %H:%M",    EPluralForms::EN_2, false },
+		{ "hungarian",   "Hungarian",   "Magyar",     "CP1250", "hu", "hun", "%Y. %m. %d. %H:%M", EPluralForms::EN_2, true  },
+		{ "italian",     "Italian",     "Italiano",   "CP1250", "it", "ita", "%d/%m/%Y %H:%M",    EPluralForms::EN_2, true  },
+		{ "japanese",    "Japanese",    "日本語",      "JIS",    "ja", "jpn", "%Y年%m月%d日 %H:%M", EPluralForms::NONE, false },
+		{ "korean",      "Korean",      "한국어",      "CP949",  "ko", "kor", "%Y-%m-%d %H:%M",    EPluralForms::VI_1, true  },
+		{ "polish",      "Polish",      "Polski",     "CP1250", "pl", "pol", "%d.%m.%Y %H:%M",    EPluralForms::PL_3, true  },
+		{ "portuguese",  "Portuguese",  "Português",  "CP1252", "pt", "por", "%d/%m/%Y %H:%M",    EPluralForms::EN_2, true  }, // Note: actually Brazilian Portuguese
+		{ "russian",     "Russian",     "Русский",    "CP1251", "ru", "rus", "%d.%m.%Y %H:%M",    EPluralForms::UK_3, true  },
+		{ "spanish",     "Spanish",     "Español",    "CP1252", "es", "spa", "%d/%m/%Y %H:%M",    EPluralForms::EN_2, true  },
+		{ "swedish",     "Swedish",     "Svenska",    "CP1252", "sv", "swe", "%Y-%m-%d %H:%M",    EPluralForms::EN_2, true  },
+		{ "norwegian",   "Norwegian",   "Norsk",      "CP1252", "no", "nor", "%d/%m/%Y %H:%M",    EPluralForms::EN_2, false },
+		{ "turkish",     "Turkish",     "Türkçe",     "CP1254", "tr", "tur", "%d.%m.%Y %H:%M",    EPluralForms::EN_2, true  },
+		{ "ukrainian",   "Ukrainian",   "Українська", "CP1251", "uk", "ukr", "%d.%m.%Y %H:%M",    EPluralForms::UK_3, true  },
+		{ "vietnamese",  "Vietnamese",  "Tiếng Việt", "UTF-8",  "vi", "vie", "%d/%m/%Y %H:%M",    EPluralForms::VI_1, true  }, // Fan translation uses special encoding
 	} };
 	static_assert(languages.size() == static_cast<size_t>(ELanguages::COUNT), "Languages array is missing a value!");