C++ QLocale::bcp47Name方法代码示例

TextToSpeechPrivate::TextToSpeechPrivate() {
	spd = spd_open("Mumble", NULL, NULL, SPD_MODE_THREADED);
	if (! spd) {
		qWarning("TextToSpeech: Failed to contact speech dispatcher.");
	} else {
		QString lang;
		if (!g.s.qsTTSLanguage.isEmpty()) {
			lang = g.s.qsTTSLanguage;
		} else if (!g.s.qsLanguage.isEmpty()) {
			QLocale locale(g.s.qsLanguage);
			lang = locale.bcp47Name();
		} else {
			QLocale systemLocale;
			lang = systemLocale.bcp47Name();
		}
		if (!lang.isEmpty()) {
			if (spd_set_language(spd, lang.toLocal8Bit().constData()) != 0) {
				qWarning("TextToSpeech: Failed to set language.");
			}
		}

		if (spd_set_punctuation(spd, SPD_PUNCT_NONE) != 0)
			qWarning("TextToSpech: Failed to set punctuation mode.");
		if (spd_set_spelling(spd, SPD_SPELL_ON) != 0)
			qWarning("TextToSpeech: Failed to set spelling mode.");
	}
}

void LanguageWidget::currentIndexChanged(int index)
{
  if(index < 0) return;
  LocaleModel *const model = qobject_cast<LocaleModel *>(ui->languages->model());
  const QLocale locale = model->locale(ui->languages->model()->index(index, 0));
  QSettings settings;
  settings.setValue("locale", locale.bcp47Name());
  settings.sync();
  sync();
}

void InfoWidget::localeChanged(QLocale locale)
{
    setLocale(locale);
    name->setText(locale.name());
    bcp47Name->setText(locale.bcp47Name());
    languageName->setText(QLocale::languageToString(locale.language()));
    nativeLanguageName->setText(locale.nativeLanguageName());
    scriptName->setText(QLocale::scriptToString(locale.script()));
    countryName->setText(QLocale::countryToString(locale.country()));
    nativeCountryName->setText(locale.nativeCountryName());
}

// caseFunc can either be u_strToUpper or u_strToLower
static bool qt_u_strToCase(const QString &str, QString *out, const QLocale &locale, Ptr_u_strToCase caseFunc)
{
    Q_ASSERT(out);

    if (!icuCollator)
        return false;

    QString result(str.size(), Qt::Uninitialized);

    UErrorCode status = U_ZERO_ERROR;

    int32_t size = caseFunc(reinterpret_cast<UChar *>(result.data()), result.size(),
            reinterpret_cast<const UChar *>(str.constData()), str.size(),
            locale.bcp47Name().toLatin1().constData(), &status);

    if (U_FAILURE(status))
        return false;

    if (size < result.size()) {
        result.resize(size);
    } else if (size > result.size()) {
        // the resulting string is larger than our source string
        result.resize(size);

        status = U_ZERO_ERROR;
        size = caseFunc(reinterpret_cast<UChar *>(result.data()), result.size(),
            reinterpret_cast<const UChar *>(str.constData()), str.size(),
            locale.bcp47Name().toLatin1().constData(), &status);

        if (U_FAILURE(status))
            return false;

        // if the sizes don't match now, we give up.
        if (size != result.size())
            return false;
    }

    *out = result;
    return true;
}

QString uiLanguage(QLocale *callerLoc)
{
	QSettings s;
	s.beginGroup("Language");

	if (!s.value("UseSystemLanguage", true).toBool()) {
		loc = QLocale(s.value("UiLanguage", QLocale().uiLanguages().first()).toString());
	} else {
		loc = QLocale(QLocale().uiLanguages().first());
	}

	QString uiLang = loc.uiLanguages().first();
	s.endGroup();

	// there's a stupid Qt bug on MacOS where uiLanguages doesn't give us the country info
	if (!uiLang.contains('-') && uiLang != loc.bcp47Name()) {
		QLocale loc2(loc.bcp47Name());
		loc = loc2;
		uiLang = loc2.uiLanguages().first();
	}
	if (callerLoc)
		*callerLoc = loc;

	// the short format is fine
	// the long format uses long weekday and month names, so replace those with the short ones
	// for time we don't want the time zone designator and don't want leading zeroes on the hours
	shortDateFormat = loc.dateFormat(QLocale::ShortFormat);
	dateFormat = loc.dateFormat(QLocale::LongFormat);
	dateFormat.replace("dddd,", "ddd").replace("dddd", "ddd").replace("MMMM", "MMM");
	// special hack for Swedish as our switching from long weekday names to short weekday names
	// messes things up there
	dateFormat.replace("'en' 'den' d:'e'", " d");
	timeFormat = loc.timeFormat();
	timeFormat.replace("(t)", "").replace(" t", "").replace("t", "").replace("hh", "h").replace("HH", "H").replace("'kl'.", "");
	timeFormat.replace(".ss", "").replace(":ss", "").replace("ss", "");
	return uiLang;
}

QString uiLanguage(QLocale *callerLoc)
{
	QSettings s;
	s.beginGroup("Language");
	QLocale loc;

	if (!s.value("UseSystemLanguage", true).toBool()) {
		loc = QLocale(s.value("UiLanguage", QLocale().uiLanguages().first()).toString());
	}

	QString uiLang = loc.uiLanguages().first();
	s.endGroup();

	// there's a stupid Qt bug on MacOS where uiLanguages doesn't give us the country info
	if (!uiLang.contains('-') && uiLang != loc.bcp47Name()) {
		QLocale loc2(loc.bcp47Name());
		loc = loc2;
		uiLang = loc2.uiLanguages().first();
	}
	if (callerLoc)
		*callerLoc = loc;

	return uiLang;
}

static void load()
{
    // The way Qt translation system handles plural forms makes it necessary to
    // have a translation file which contains only plural forms for `en`. That's
    // why we load the `en` translation unconditionally, then load the
    // translation for the current locale to overload it.
    loadTranslation(QStringLiteral("en"));

    QLocale locale = QLocale::system();
    if (locale.name() != QStringLiteral("en")) {
        if (!loadTranslation(locale.name())) {
            loadTranslation(locale.bcp47Name());
        }
    }
}

// load KDE translators system based translations
// TODO: document other possible supported translation systems, if any, and where their catalog files are
static void loadTranslations(QApplication &app)
{
    // Quote from ecm_create_qm_loader created code:
    // The way Qt translation system handles plural forms makes it necessary to
    // have a translation file which contains only plural forms for `en`.
    // That's why we load the `en` translation unconditionally, then load the
    // translation for the current locale to overload it.
    const QString en(QStringLiteral("en"));

    loadTranslation(en, app);

    QLocale locale = QLocale::system();
    if (locale.name() != en) {
        if (!loadTranslation(locale.name(), app)) {
            loadTranslation(locale.bcp47Name(), app);
        }
    }
}

AcceptLanguageDialog::AcceptLanguageDialog(const QString &languages, QWidget *parent) : Dialog(parent),
	m_ui(new Ui::AcceptLanguageDialog)
{
	m_ui->setupUi(this);

	m_model = new QStandardItemModel(this);
	m_model->setHorizontalHeaderLabels(QStringList({tr("Name"), tr("Code")}));

	m_ui->languagesViewWidget->setModel(m_model);

	QStringList chosenLanguages(languages.split(QLatin1Char(','), QString::SkipEmptyParts));

	for (int i = 0; i < chosenLanguages.count(); ++i)
	{
		addLanguage(chosenLanguages.at(i).section(QLatin1Char(';'), 0, 0));
	}

	const QList<QLocale> locales(QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript, QLocale::AnyCountry));
	QVector<QPair<QString, QString> > entries;

	for (int i = 0; i < locales.count(); ++i)
	{
		const QLocale locale(locales.at(i));

		if (locale != QLocale::c())
		{
			if (locale.nativeCountryName().isEmpty() || locale.nativeLanguageName().isEmpty())
			{
				entries.append({tr("Unknown [%1]").arg(locale.bcp47Name()), locale.bcp47Name()});
			}
			else
			{
				entries.append({QStringLiteral("%1 - %2 [%3]").arg(locale.nativeLanguageName()).arg(locale.nativeCountryName()).arg(locale.bcp47Name()), locale.bcp47Name()});
			}
		}
	}

	QCollator collator;
	collator.setCaseSensitivity(Qt::CaseInsensitive);

	qSort(entries.begin(), entries.end(), [&](const QPair<QString, QString> &first, const QPair<QString, QString> &second)
	{
		return (collator.compare(first.first, second.first) < 0);
	});

	entries.prepend(QPair<QString, QString>(tr("Any other"), QLatin1String("*")));
	entries.prepend(QPair<QString, QString>(tr("System language (%1 - %2)").arg(QLocale::system().nativeLanguageName()).arg(QLocale::system().nativeCountryName()), QString("system")));

	for (int i = 0; i < entries.count(); ++i)
	{
		m_ui->languagesComboBox->addItem(entries.at(i).first, entries.at(i).second);
	}

	m_ui->moveDownButton->setIcon(ThemesManager::createIcon(QLatin1String("arrow-down")));
	m_ui->moveUpButton->setIcon(ThemesManager::createIcon(QLatin1String("arrow-up")));
	m_ui->languagesComboBox->installEventFilter(this);

	connect(m_ui->moveDownButton, &QToolButton::clicked, m_ui->languagesViewWidget, &ItemViewWidget::moveDownRow);
	connect(m_ui->moveUpButton, &QToolButton::clicked, m_ui->languagesViewWidget, &ItemViewWidget::moveUpRow);
	connect(m_ui->removeButton, &QToolButton::clicked, m_ui->languagesViewWidget, &ItemViewWidget::removeRow);
	connect(m_ui->addButton, &QToolButton::clicked, this, &AcceptLanguageDialog::addNewLanguage);
	connect(m_ui->languagesViewWidget, &ItemViewWidget::canMoveDownChanged, m_ui->moveDownButton, &QToolButton::setEnabled);
	connect(m_ui->languagesViewWidget, &ItemViewWidget::canMoveUpChanged, m_ui->moveUpButton, &QToolButton::setEnabled);
	connect(m_ui->languagesViewWidget, &ItemViewWidget::needsActionsUpdate, this, &AcceptLanguageDialog::updateActions);
}

void init_ui(int *argcp, char ***argvp)
{
	QVariant v;

	application = new QApplication(*argcp, *argvp);

	// tell Qt to use system proxies
	// note: on Linux, "system" == "environment variables"
	QNetworkProxyFactory::setUseSystemConfiguration(true);

#if QT_VERSION < 0x050000
	// ask QString in Qt 4 to interpret all char* as UTF-8,
	// like Qt 5 does.
	// 106 is "UTF-8", this is faster than lookup by name
	// [http://www.iana.org/assignments/character-sets/character-sets.xml]
	QTextCodec::setCodecForCStrings(QTextCodec::codecForMib(106));
#endif
	QCoreApplication::setOrganizationName("Subsurface");
	QCoreApplication::setOrganizationDomain("subsurface.hohndel.org");
	QCoreApplication::setApplicationName("Subsurface");
	xslt_path = strdup(getSubsurfaceDataPath("xslt").toAscii().data());

	QLocale loc;
	QString uiLang = loc.uiLanguages().first();
	// there's a stupid Qt bug on MacOS where uiLanguages doesn't give us the country info
	if (!uiLang.contains('-') && uiLang != loc.bcp47Name()) {
		QLocale loc2(loc.bcp47Name());
		loc = loc2;
		uiLang = loc2.uiLanguages().first();
	}

	// we don't have translations for English - if we don't check for this
	// Qt will proceed to load the second language in preference order - not what we want
	// on Linux this tends to be en-US, but on the Mac it's just en
	if (!uiLang.startsWith("en")) {
		qtTranslator = new QTranslator;
		if (qtTranslator->load(loc,"qt", "_", QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
			application->installTranslator(qtTranslator);
		} else {
			qDebug() << "can't find Qt localization for locale" << uiLang <<
				    "searching in" << QLibraryInfo::location(QLibraryInfo::TranslationsPath);
		}
		ssrfTranslator = new QTranslator;
		if (ssrfTranslator->load(loc,"subsurface", "_") ||
				ssrfTranslator->load(loc,"subsurface", "_", getSubsurfaceDataPath("translations")) ||
				ssrfTranslator->load(loc,"subsurface", "_", getSubsurfaceDataPath("../translations"))) {
			application->installTranslator(ssrfTranslator);
		} else {
			qDebug() << "can't find Subsurface localization for locale" << uiLang;
		}
	}

	QSettings s;
	s.beginGroup("GeneralSettings");
	prefs.default_filename = getSetting(s, "default_filename");
	s.endGroup();
	s.beginGroup("DiveComputer");
	default_dive_computer_vendor = getSetting(s, "dive_computer_vendor");
	default_dive_computer_product = getSetting(s,"dive_computer_product");
	default_dive_computer_device = getSetting(s, "dive_computer_device");
	s.endGroup();

	window = new MainWindow();
	window->show();
	if (existing_filename && existing_filename[0] != '\0')
		window->setTitle(MWTF_FILENAME);
	else
		window->setTitle(MWTF_DEFAULT);

	return;
}