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Qt: Use selected language locale for formatting

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But check the prefix against the system locale, so that e.g. en can use
the system country.
This commit is contained in:
Stenzek 2025-07-26 22:23:53 +10:00
parent c82351a14a
commit 96c224497b
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2 changed files with 40 additions and 30 deletions
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38
src/duckstation-qt/qthost.cpp
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@ -2383,8 +2383,7 @@ std::span<const std::pair<const char*, const char*>> Host::GetAvailableLanguageL
static constexpr const std::pair<const char*, const char*> languages[] = {
{QT_TRANSLATE_NOOP("QtHost", "System Language"), ""},
#define TRANSLATION_LIST_ENTRY(name, our_translation_code, locale_code) \
{name " [" our_translation_code "]", our_translation_code},
#define TRANSLATION_LIST_ENTRY(name, code, locale_code, qlanguage, qcountry) {name " [" code "]", code},
#include "qttranslations.inl"
#undef TRANSLATION_LIST_ENTRY
};
@ -2488,19 +2487,30 @@ const QLocale& QtHost::GetApplicationLocale()
void QtHost::UpdateApplicationLocale(std::string_view language)
{
#if 0
// Only for testing purposes. Keep the system locale for users.
if (language == "ja")
s_app_locale = QLocale(QLocale::Japanese, QLocale::Japan);
else if (language == "ko")
s_app_locale = QLocale(QLocale::Korean, QLocale::SouthKorea);
else if (language == "zh-CN")
s_app_locale = QLocale(QLocale::Chinese, QLocale::China);
else
s_app_locale = QLocale::system();
#else
static constexpr const std::tuple<const char*, QLocale::Language, QLocale::Country> lookup[] = {
#define TRANSLATION_LIST_ENTRY(name, code, locale_code, qlanguage, qcountry) {code, qlanguage, qcountry},
#include "qttranslations.inl"
#undef TRANSLATION_LIST_ENTRY
};
// If the system locale is using the same language, then use the system locale.
// Otherwise we'll be using that ugly US date format in Straya mate.
s_app_locale = QLocale::system();
#endif
const std::string system_locale_name = s_app_locale.name().toStdString();
if (s_app_locale.name().startsWith(QLatin1StringView(language), Qt::CaseInsensitive))
{
INFO_LOG("Using system locale for {}.", language);
return;
}
for (const auto& [code, qlanguage, qcountry] : lookup)
{
if (language == code)
{
s_app_locale = QLocale(qlanguage, qcountry);
return;
}
}
}
void Host::ReportDebuggerMessage(std::string_view message)

32
src/duckstation-qt/qttranslations.inl
View File

@ -1,20 +1,20 @@
// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: CC-BY-NC-ND-4.0
// TRANSLATION_LIST_ENTRY(name, our_translation_code, locale_code)
// TRANSLATION_LIST_ENTRY(name, code, locale_code, qlanguage, qcountry)
TRANSLATION_LIST_ENTRY("English", "en", "en-US")
TRANSLATION_LIST_ENTRY("Español de Latinoamérica", "es", "es-ES")
TRANSLATION_LIST_ENTRY("Español de España", "es-ES", "es-ES")
TRANSLATION_LIST_ENTRY("Français", "fr", "fr-FR")
TRANSLATION_LIST_ENTRY("Bahasa Indonesia", "id", "id-ID")
TRANSLATION_LIST_ENTRY("日本語", "ja", "ja-JA")
TRANSLATION_LIST_ENTRY("한국어", "ko", "ko-KO")
TRANSLATION_LIST_ENTRY("Italiano", "it", "it-IT")
TRANSLATION_LIST_ENTRY("Polski", "pl", "pl-PL")
TRANSLATION_LIST_ENTRY("Português (Pt)", "pt-PT", "pt-PT")
TRANSLATION_LIST_ENTRY("Português (Br)", "pt-BR", "pt-BR")
TRANSLATION_LIST_ENTRY("Русский", "ru", "ru-RU")
TRANSLATION_LIST_ENTRY("Svenska", "sv", "sv-SV")
TRANSLATION_LIST_ENTRY("Türkçe", "tr", "tr-TR")
TRANSLATION_LIST_ENTRY("简体中文", "zh-CN", "zh-CN")
TRANSLATION_LIST_ENTRY("English", "en", "en-US", QLocale::English, QLocale::UnitedStates)
TRANSLATION_LIST_ENTRY("Español de Latinoamérica", "es", "es-ES", QLocale::Spanish, QLocale::LatinAmerica)
TRANSLATION_LIST_ENTRY("Español de España", "es-ES", "es-ES", QLocale::Spanish, QLocale::Spain)
TRANSLATION_LIST_ENTRY("Français", "fr", "fr-FR", QLocale::French, QLocale::France)
TRANSLATION_LIST_ENTRY("Bahasa Indonesia", "id", "id-ID", QLocale::Indonesian, QLocale::Indonesia)
TRANSLATION_LIST_ENTRY("日本語", "ja", "ja-JA", QLocale::Japanese, QLocale::Japan)
TRANSLATION_LIST_ENTRY("한국어", "ko", "ko-KO", QLocale::Korean, QLocale::SouthKorea)
TRANSLATION_LIST_ENTRY("Italiano", "it", "it-IT", QLocale::Italian, QLocale::Italy)
TRANSLATION_LIST_ENTRY("Polski", "pl", "pl-PL", QLocale::Polish, QLocale::Poland)
TRANSLATION_LIST_ENTRY("Português (Pt)", "pt-PT", "pt-PT", QLocale::Portuguese, QLocale::Portugal)
TRANSLATION_LIST_ENTRY("Português (Br)", "pt-BR", "pt-BR", QLocale::Portuguese, QLocale::Brazil)
TRANSLATION_LIST_ENTRY("Русский", "ru", "ru-RU", QLocale::Russian, QLocale::Russia)
TRANSLATION_LIST_ENTRY("Svenska", "sv", "sv-SV", QLocale::Swedish, QLocale::Sweden)
TRANSLATION_LIST_ENTRY("Türkçe", "tr", "tr-TR", QLocale::Turkish, QLocale::Turkey)
TRANSLATION_LIST_ENTRY("简体中文", "zh-CN", "zh-CN", QLocale::Chinese, QLocale::China)