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qt: Fix incorrect system language detection (#1558)

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exertustfm 2026-06-06 12:37:42 -05:00 committed by GitHub
parent 379649dbce
commit 3dc357a8c9
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1 changed files with 30 additions and 7 deletions
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37
src/citra_qt/citra_qt.cpp
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@ -4080,25 +4080,48 @@ void GMainWindow::UpdateUITheme() {
}
void GMainWindow::LoadTranslation() {
bool loaded = false;
const QString lang_en = QStringLiteral("en");
const QString languages_dir = QStringLiteral(":/languages/");
// Workaround for incorrect Qt system language detection
// TODO: Allow the "<System>" option to actually be selected rather than overriding the
// selected language option? Current behaviour is better than the issue it fixes,
// but not ideal.
if (UISettings::values.language.isEmpty()) {
const auto languages = QLocale::system().uiLanguages(QLocale::TagSeparator::Underscore);
for (const auto& lang : languages) {
// If the first language found is English, no need to install any translation
if (lang == lang_en) {
UISettings::values.language = lang_en;
return;
}
loaded = translator.load(lang, languages_dir);
if (loaded) {
UISettings::values.language = lang;
break;
}
}
}
// If the selected language is English, no need to install any translation
if (UISettings::values.language == QStringLiteral("en")) {
if (UISettings::values.language == lang_en) {
return;
}
bool loaded;
if (UISettings::values.language.isEmpty()) {
if (UISettings::values.language.isEmpty() && !loaded) {
// Use the system's default locale
loaded = translator.load(QLocale::system(), {}, {}, QStringLiteral(":/languages/"));
loaded = translator.load(QLocale::system(), {}, {}, languages_dir);
} else {
// Otherwise load from the specified file
loaded = translator.load(UISettings::values.language, QStringLiteral(":/languages/"));
loaded = translator.load(UISettings::values.language, languages_dir);
}
if (loaded) {
qApp->installTranslator(&translator);
} else {
UISettings::values.language = QStringLiteral("en");
UISettings::values.language = lang_en;
}
}