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Qt: add language menu

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This commit is contained in:
Megamouse 2020-02-05 11:07:34 +01:00
parent efe907ffae
commit c13d345604
5 changed files with 96 additions and 35 deletions
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59
rpcs3/rpcs3qt/gui_application.cpp
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@ -39,12 +39,6 @@ void gui_application::Init()
m_gui_settings.reset(new gui_settings());
m_persistent_settings.reset(new persistent_settings());
const auto locales = GetAvailableLocales();
const auto language = m_gui_settings->GetValue(gui::loc_language).toString();
const auto index = locales.indexOf(language);
LoadLanguage(index < 0 ? QLocale(QLocale::English).bcp47Name() : locales.at(index));
// Force init the emulator
InitializeEmulator(m_gui_settings->GetCurrentUser().toStdString(), true, m_show_gui);
@ -52,6 +46,12 @@ void gui_application::Init()
if (m_show_gui)
{
m_main_window = new main_window(m_gui_settings, m_emu_settings, m_persistent_settings, nullptr);
const auto codes = GetAvailableLanguageCodes();
const auto language = m_gui_settings->GetValue(gui::loc_language).toString();
const auto index = codes.indexOf(language);
LoadLanguage(index < 0 ? QLocale(QLocale::English).bcp47Name() : codes.at(index));
}
// Create callbacks from the emulator, which reference the handlers.
@ -80,7 +80,7 @@ void gui_application::Init()
#endif
}
void gui_application::SwitchTranslator(QTranslator& translator, const QString& filename, const QString& language)
void gui_application::SwitchTranslator(QTranslator& translator, const QString& filename, const QString& language_code)
{
// remove the old translator
removeTranslator(&translator);
@ -96,22 +96,26 @@ void gui_application::SwitchTranslator(QTranslator& translator, const QString& f
installTranslator(&translator);
}
}
else if (language != QLocale(QLocale::English).bcp47Name()) // ignore default case "en", since it is handled in source code
else if (const QString default_code = QLocale(QLocale::English).bcp47Name(); language_code != default_code)
{
// show error, but ignore default case "en", since it is handled in source code
gui_log.error("No translation file found in: %s", file_path.toStdString());
// reset current language to default "en"
m_language_code = default_code;
}
}
void gui_application::LoadLanguage(const QString& language)
void gui_application::LoadLanguage(const QString& language_code)
{
if (m_language == language)
if (m_language_code == language_code)
{
return;
}
m_language = language;
m_language_code = language_code;
const QLocale locale = QLocale(language);
const QLocale locale = QLocale(language_code);
const QString locale_name = QLocale::languageToString(locale.language());
QLocale::setDefault(locale);
@ -120,19 +124,29 @@ void gui_application::LoadLanguage(const QString& language)
// As per QT recommendations to avoid conflicts for POSIX functions
std::setlocale(LC_NUMERIC, "C");
SwitchTranslator(m_translator, QStringLiteral("rpcs3_%1.qm").arg(language), language);
SwitchTranslator(m_translator, QStringLiteral("rpcs3_%1.qm").arg(language_code), language_code);
if (m_main_window)
{
m_main_window->RetranslateUI();
const QString default_code = QLocale(QLocale::English).bcp47Name();
QStringList language_codes = GetAvailableLanguageCodes();
if (!language_codes.contains(default_code))
{
language_codes.prepend(default_code);
}
m_main_window->RetranslateUI(language_codes, m_language_code);
}
gui_log.notice("Current language changed to %s (%s)", locale_name.toStdString(), language.toStdString());
m_gui_settings->SetValue(gui::loc_language, m_language_code);
gui_log.notice("Current language changed to %s (%s)", locale_name.toStdString(), language_code.toStdString());
}
QStringList gui_application::GetAvailableLocales()
QStringList gui_application::GetAvailableLanguageCodes()
{
QStringList locales;
QStringList language_codes;
const QString language_path = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
@ -143,15 +157,15 @@ QStringList gui_application::GetAvailableLocales()
for (const auto& filename : filenames)
{
QString locale = filename; // "rpcs3_en.qm"
locale.truncate(locale.lastIndexOf('.')); // "rpcs3_en"
locale.remove(0, locale.indexOf('_') + 1); // "en"
QString language_code = filename; // "rpcs3_en.qm"
language_code.truncate(language_code.lastIndexOf('.')); // "rpcs3_en"
language_code.remove(0, language_code.indexOf('_') + 1); // "en"
locales << locale;
language_codes << language_code;
}
}
return locales;
return language_codes;
}
void gui_application::InitializeConnects()
@ -163,6 +177,7 @@ void gui_application::InitializeConnects()
if (m_main_window)
{
connect(m_main_window, &main_window::RequestLanguageChange, this, &gui_application::LoadLanguage);
connect(m_main_window, &main_window::RequestGlobalStylesheetChange, this, &gui_application::OnChangeStyleSheetRequest);
connect(m_main_window, &main_window::NotifyEmuSettingsChange, this, &gui_application::OnEmuSettingsChange);