C++ QLocale::timeFormat方法代码示例

QString Ago(int seconds_since_epoch, const QLocale& locale) {
  const QDateTime now = QDateTime::currentDateTime();
  const QDateTime then = QDateTime::fromTime_t(seconds_since_epoch);
  const int days_ago = then.date().daysTo(now.date());
  const QString time =
      then.time().toString(locale.timeFormat(QLocale::ShortFormat));

  if (days_ago == 0) return tr("Today") + " " + time;
  if (days_ago == 1) return tr("Yesterday") + " " + time;
  if (days_ago <= 7) return tr("%1 days ago").arg(days_ago);

  return then.date().toString(locale.dateFormat(QLocale::ShortFormat));
}

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;
}

//.........这里部分代码省略.........
  QLocale sampleLocale = generateLocale();

  if (_mode == cNew)
  {
    q.prepare( "INSERT INTO locale "
               "( locale_id, locale_code, locale_descrip,"
               "  locale_lang_id, locale_country_id, "
               "  locale_dateformat, locale_timeformat, locale_timestampformat,"
	       "  locale_intervalformat, locale_qtyformat,"
               "  locale_curr_scale,"
               "  locale_salesprice_scale, locale_purchprice_scale,"
               "  locale_extprice_scale, locale_cost_scale,"
               "  locale_qty_scale, locale_qtyper_scale,"
               "  locale_uomratio_scale, locale_percent_scale, "
               "  locale_comments, "
               "  locale_error_color, locale_warning_color,"
               "  locale_emphasis_color, locale_altemphasis_color,"
               "  locale_expired_color, locale_future_color) "
               "VALUES "
               "( :locale_id, :locale_code, :locale_descrip,"
               "  :locale_lang_id, :locale_country_id,"
               "  :locale_dateformat, :locale_timeformat, :locale_timestampformat,"
	       "  :locale_intervalformat, :locale_qtyformat,"
               "  :locale_curr_scale,"
               "  :locale_salesprice_scale, :locale_purchprice_scale,"
               "  :locale_extprice_scale, :locale_cost_scale,"
               "  :locale_qty_scale, :locale_qtyper_scale,"
               "  :locale_uomratio_scale, :local_percent_scale, "
               "  :locale_comments,"
               "  :locale_error_color, :locale_warning_color,"
               "  :locale_emphasis_color, :locale_altemphasis_color,"
               "  :locale_expired_color, :locale_future_color);" );
  }
  else if ( (_mode == cEdit) || (_mode == cCopy) )
    q.prepare( "UPDATE locale "
                "SET locale_code=:locale_code,"
                "    locale_descrip=:locale_descrip,"
                "    locale_lang_id=:locale_lang_id,"
                "    locale_country_id=:locale_country_id,"
                "    locale_dateformat=:locale_dateformat,"
                "    locale_timeformat=:locale_timeformat,"
                "    locale_timestampformat=:locale_timestampformat,"
                "    locale_intervalformat=:locale_intervalformat,"
                "    locale_qtyformat=:locale_qtyformat,"
		"    locale_curr_scale=:locale_curr_scale,"
                "    locale_salesprice_scale=:locale_salesprice_scale,"
                "    locale_purchprice_scale=:locale_purchprice_scale,"
                "    locale_extprice_scale=:locale_extprice_scale,"
                "    locale_cost_scale=:locale_cost_scale,"
                "    locale_qty_scale=:locale_qty_scale,"
                "    locale_qtyper_scale=:locale_qtyper_scale,"
                "    locale_uomratio_scale=:locale_uomratio_scale,"
                "    locale_percent_scale=:locale_percent_scale,"
                "    locale_comments=:locale_comments,"
                "    locale_error_color=:locale_error_color,"
                "    locale_warning_color=:locale_warning_color,"
                "    locale_emphasis_color=:locale_emphasis_color,"
                "    locale_altemphasis_color=:locale_altemphasis_color,"
                "    locale_expired_color=:locale_expired_color,"
                "    locale_future_color=:locale_future_color "
                "WHERE (locale_id=:locale_id);" );

  q.bindValue(":locale_id",                _localeid);
  q.bindValue(":locale_code",              _code->text());
  q.bindValue(":locale_descrip",           _description->text());
  q.bindValue(":locale_lang_id",           _language->id());
  q.bindValue(":locale_country_id",        _country->id());
  q.bindValue(":locale_curr_scale",        _currencyScale->text());
  q.bindValue(":locale_salesprice_scale",  _salesPriceScale->text());
  q.bindValue(":locale_purchprice_scale",  _purchPriceScale->text());
  q.bindValue(":locale_extprice_scale",    _extPriceScale->text());
  q.bindValue(":locale_cost_scale",        _costScale->text());
  q.bindValue(":locale_qty_scale",         _qtyScale->text());
  q.bindValue(":locale_qtyper_scale",      _qtyPerScale->text());
  q.bindValue(":locale_uomratio_scale",    _uomRatioScale->text());
  q.bindValue(":locale_percent_scale",     _percentScale->text());
  q.bindValue(":locale_comments",          _comments->toPlainText());
  q.bindValue(":locale_error_color",       _error->text());
  q.bindValue(":locale_warning_color",     _warning->text());
  q.bindValue(":locale_emphasis_color",    _emphasis->text());
  q.bindValue(":locale_altemphasis_color", _alternate->text());
  q.bindValue(":locale_expired_color",     _expired->text());
  q.bindValue(":locale_future_color",      _future->text());
  q.bindValue(":locale_dateformat",     convert(sampleLocale.dateFormat(QLocale::ShortFormat)));
  q.bindValue(":locale_timeformat",     convert(sampleLocale.timeFormat(QLocale::ShortFormat)));
  q.bindValue(":locale_timestampformat",convert(sampleLocale.dateFormat(QLocale::ShortFormat)) +
                                  " " + convert(sampleLocale.timeFormat(QLocale::ShortFormat)));
  q.bindValue(":locale_intervalformat", convert(sampleLocale.timeFormat(QLocale::ShortFormat).remove("ap", Qt::CaseInsensitive)));
  q.bindValue(":locale_qtyformat",      QString(sampleLocale.decimalPoint()) +
                                        QString(sampleLocale.negativeSign()) +
                                        QString(sampleLocale.groupSeparator()));
  q.exec();
  if (q.lastError().type() != QSqlError::NoError)
  {
    systemError(this, q.lastError().databaseText(), __FILE__, __LINE__);
    return;
  }

  done(_localeid);
}

/**
 * @brief Constructor of UserInterfaceForm.
 * @param myParent Setting widget which will contain this form as tab.
 *
 * Restores all controls from the settings.
 */
UserInterfaceForm::UserInterfaceForm(SettingsWidget* myParent)
    : GenericForm(QPixmap(":/img/settings/general.png"))
{
    parent = myParent;

    bodyUI = new Ui::UserInterfaceSettings;
    bodyUI->setupUi(this);

    // block all child signals during initialization
    const RecursiveSignalBlocker signalBlocker(this);

    Settings& s = Settings::getInstance();
    const QFont chatBaseFont = s.getChatMessageFont();
    bodyUI->txtChatFontSize->setValue(QFontInfo(chatBaseFont).pixelSize());
    bodyUI->txtChatFont->setCurrentFont(chatBaseFont);
    int index = static_cast<int>(s.getStylePreference());
    bodyUI->textStyleComboBox->setCurrentIndex(index);

    bool showWindow = s.getShowWindow();

    bodyUI->showWindow->setChecked(showWindow);
    bodyUI->showInFront->setChecked(s.getShowInFront());
    bodyUI->showInFront->setEnabled(showWindow);

    bodyUI->groupAlwaysNotify->setChecked(s.getGroupAlwaysNotify());
    bodyUI->cbGroupchatPosition->setChecked(s.getGroupchatPosition());
    bodyUI->cbCompactLayout->setChecked(s.getCompactLayout());
    bodyUI->cbSeparateWindow->setChecked(s.getSeparateWindow());
    bodyUI->cbDontGroupWindows->setChecked(s.getDontGroupWindows());
    bodyUI->cbDontGroupWindows->setEnabled(s.getSeparateWindow());

    bodyUI->useEmoticons->setChecked(s.getUseEmoticons());
    for (auto entry : SmileyPack::listSmileyPacks())
        bodyUI->smileyPackBrowser->addItem(entry.first, entry.second);

    smileLabels = {bodyUI->smile1, bodyUI->smile2, bodyUI->smile3, bodyUI->smile4, bodyUI->smile5};

    int currentPack = bodyUI->smileyPackBrowser->findData(s.getSmileyPack());
    bodyUI->smileyPackBrowser->setCurrentIndex(currentPack);
    reloadSmileys();
    bodyUI->smileyPackBrowser->setEnabled(bodyUI->useEmoticons->isChecked());

    bodyUI->styleBrowser->addItem(tr("None"));
    bodyUI->styleBrowser->addItems(QStyleFactory::keys());

    QString style;
    if (QStyleFactory::keys().contains(s.getStyle()))
        style = s.getStyle();
    else
        style = tr("None");

    bodyUI->styleBrowser->setCurrentText(style);

    for (QString color : Style::getThemeColorNames())
        bodyUI->themeColorCBox->addItem(color);

    bodyUI->themeColorCBox->setCurrentIndex(s.getThemeColor());
    bodyUI->emoticonSize->setValue(s.getEmojiFontPointSize());

    QLocale ql;
    QStringList timeFormats;
    timeFormats << ql.timeFormat(QLocale::ShortFormat) << ql.timeFormat(QLocale::LongFormat)
                << "hh:mm AP"
                << "hh:mm:ss AP"
                << "hh:mm:ss";
    timeFormats.removeDuplicates();
    bodyUI->timestamp->addItems(timeFormats);

    QRegularExpression re(QString("^[^\\n]{0,%0}$").arg(MAX_FORMAT_LENGTH));
    QRegularExpressionValidator* validator = new QRegularExpressionValidator(re, this);
    QString timeFormat = s.getTimestampFormat();

    if (!re.match(timeFormat).hasMatch())
        timeFormat = timeFormats[0];

    bodyUI->timestamp->setCurrentText(timeFormat);
    bodyUI->timestamp->setValidator(validator);
    on_timestamp_editTextChanged(timeFormat);

    QStringList dateFormats;
    dateFormats << QStringLiteral("yyyy-MM-dd") // ISO 8601
                // format strings from system locale
                << ql.dateFormat(QLocale::LongFormat) << ql.dateFormat(QLocale::ShortFormat)
                << ql.dateFormat(QLocale::NarrowFormat) << "dd-MM-yyyy"
                << "d-MM-yyyy"
                << "dddd dd-MM-yyyy"
                << "dddd d-MM";

    dateFormats.removeDuplicates();
    bodyUI->dateFormats->addItems(dateFormats);

    QString dateFormat = s.getDateFormat();
    if (!re.match(dateFormat).hasMatch())
        dateFormat = dateFormats[0];
//.........这里部分代码省略.........

QString QtPropertyBrowserUtils::timeFormat()
{
    QLocale loc;
    // ShortFormat is missing seconds on UNIX.
    return loc.timeFormat(QLocale::LongFormat);    
}

/**
 * @brief Constructor of UserInterfaceForm.
 * @param myParent Setting widget which will contain this form as tab.
 *
 * Restores all controls from the settings.
 */
UserInterfaceForm::UserInterfaceForm(SettingsWidget* myParent) :
    GenericForm(QPixmap(":/img/settings/general.png"))
{
    parent = myParent;

    bodyUI = new Ui::UserInterfaceSettings;
    bodyUI->setupUi(this);

    // block all child signals during initialization
    const RecursiveSignalBlocker signalBlocker(this);

    Settings &s = Settings::getInstance();
    const QFont chatBaseFont = s.getChatMessageFont();
    bodyUI->txtChatFontSize->setValue(QFontInfo(chatBaseFont).pixelSize());
    bodyUI->txtChatFont->setCurrentFont(chatBaseFont);
    int index = static_cast<int>(s.getStylePreference());
    bodyUI->textStyleComboBox->setCurrentIndex(index);

    bool showWindow = s.getShowWindow();

    bodyUI->showWindow->setChecked(showWindow);
    bodyUI->showInFront->setChecked(s.getShowInFront());
    bodyUI->showInFront->setEnabled(showWindow);

    bodyUI->groupAlwaysNotify->setChecked(s.getGroupAlwaysNotify());
    bodyUI->cbGroupchatPosition->setChecked(s.getGroupchatPosition());
    bodyUI->cbCompactLayout->setChecked(s.getCompactLayout());
    bodyUI->cbSeparateWindow->setChecked(s.getSeparateWindow());
    bodyUI->cbDontGroupWindows->setChecked(s.getDontGroupWindows());
    bodyUI->cbDontGroupWindows->setEnabled(s.getSeparateWindow());

    bodyUI->useEmoticons->setChecked(s.getUseEmoticons());
    for (auto entry : SmileyPack::listSmileyPacks())
        bodyUI->smileyPackBrowser->addItem(entry.first, entry.second);

    smileLabels = {bodyUI->smile1, bodyUI->smile2, bodyUI->smile3,
                   bodyUI->smile4, bodyUI->smile5};

    int currentPack = bodyUI->smileyPackBrowser->findData(s.getSmileyPack());
    bodyUI->smileyPackBrowser->setCurrentIndex(currentPack);
    reloadSmileys();
    bodyUI->smileyPackBrowser->setEnabled(bodyUI->useEmoticons->isChecked());

    bodyUI->styleBrowser->addItem(tr("None"));
    bodyUI->styleBrowser->addItems(QStyleFactory::keys());

    QString style;
    if (QStyleFactory::keys().contains(s.getStyle()))
        style = s.getStyle();
    else
        style = tr("None");

    bodyUI->styleBrowser->setCurrentText(style);

    for (QString color : Style::getThemeColorNames())
        bodyUI->themeColorCBox->addItem(color);

    bodyUI->themeColorCBox->setCurrentIndex(s.getThemeColor());
    bodyUI->emoticonSize->setValue(s.getEmojiFontPointSize());

    QStringList timestamps;
    for (QString timestamp : timeFormats)
        timestamps << QString("%1 - %2").arg(timestamp, QTime::currentTime().toString(timestamp));

    bodyUI->timestamp->addItems(timestamps);

    QLocale ql;
    QStringList datestamps;
    dateFormats.append(ql.dateFormat());
    dateFormats.append(ql.dateFormat(QLocale::LongFormat));
    dateFormats.removeDuplicates();
    timeFormats.append(ql.timeFormat());
    timeFormats.append(ql.timeFormat(QLocale::LongFormat));
    timeFormats.removeDuplicates();

    for (QString datestamp : dateFormats)
        datestamps << QString("%1 - %2").arg(datestamp, QDate::currentDate().toString(datestamp));

    bodyUI->dateFormats->addItems(datestamps);
    bodyUI->timestamp->setCurrentText(QString("%1 - %2").arg(s.getTimestampFormat(), QTime::currentTime().toString(s.getTimestampFormat())));
    bodyUI->dateFormats->setCurrentText(QString("%1 - %2").arg(s.getDateFormat(), QDate::currentDate().toString(s.getDateFormat())));

    eventsInit();
    Translator::registerHandler(std::bind(&UserInterfaceForm::retranslateUi, this), this);
}

GeneralForm::GeneralForm(SettingsWidget *myParent) :
    GenericForm(QPixmap(":/img/settings/general.png"))
{
    parent = myParent;

    bodyUI = new Ui::GeneralSettings;
    bodyUI->setupUi(this);

    bodyUI->checkUpdates->setVisible(AUTOUPDATE_ENABLED);
    bodyUI->checkUpdates->setChecked(Settings::getInstance().getCheckUpdates());

    bodyUI->cbEnableIPv6->setChecked(Settings::getInstance().getEnableIPv6());
    for (int i = 0; i < langs.size(); i++)
        bodyUI->transComboBox->insertItem(i, langs[i]);

    bodyUI->transComboBox->setCurrentIndex(locales.indexOf(Settings::getInstance().getTranslation()));
    bodyUI->cbAutorun->setChecked(Settings::getInstance().getAutorun());
#if defined(__APPLE__) && defined(__MACH__)
    bodyUI->cbAutorun->setEnabled(false);
#endif

    bool showSystemTray = Settings::getInstance().getShowSystemTray();

    bodyUI->showSystemTray->setChecked(showSystemTray);
    bodyUI->startInTray->setChecked(Settings::getInstance().getAutostartInTray());
    bodyUI->startInTray->setEnabled(showSystemTray);
    bodyUI->closeToTray->setChecked(Settings::getInstance().getCloseToTray());
    bodyUI->closeToTray->setEnabled(showSystemTray);
    bodyUI->minimizeToTray->setChecked(Settings::getInstance().getMinimizeToTray());
    bodyUI->minimizeToTray->setEnabled(showSystemTray);
    bodyUI->lightTrayIcon->setChecked(Settings::getInstance().getLightTrayIcon());
    bodyUI->lightTrayIcon->setEnabled(showSystemTray);

    bodyUI->statusChanges->setChecked(Settings::getInstance().getStatusChangeNotificationEnabled());
    bodyUI->useEmoticons->setChecked(Settings::getInstance().getUseEmoticons());
    bodyUI->autoacceptFiles->setChecked(Settings::getInstance().getAutoSaveEnabled());
    bodyUI->autoSaveFilesDir->setText(Settings::getInstance().getGlobalAutoAcceptDir());
    bodyUI->showWindow->setChecked(Settings::getInstance().getShowWindow());
    bodyUI->showInFront->setChecked(Settings::getInstance().getShowInFront());
    bodyUI->notifySound->setChecked(Settings::getInstance().getNotifySound());
    bodyUI->groupAlwaysNotify->setChecked(Settings::getInstance().getGroupAlwaysNotify());
    bodyUI->cbFauxOfflineMessaging->setChecked(Settings::getInstance().getFauxOfflineMessaging());
    bodyUI->cbCompactLayout->setChecked(Settings::getInstance().getCompactLayout());
    bodyUI->cbGroupchatPosition->setChecked(Settings::getInstance().getGroupchatPosition());

    for (auto entry : SmileyPack::listSmileyPacks())
        bodyUI->smileyPackBrowser->addItem(entry.first, entry.second);

    bodyUI->smileyPackBrowser->setCurrentIndex(bodyUI->smileyPackBrowser->findData(Settings::getInstance().getSmileyPack()));
    reloadSmiles();
    bodyUI->smileyPackBrowser->setEnabled(bodyUI->useEmoticons->isChecked());

    bodyUI->styleBrowser->addItem(tr("None"));
    bodyUI->styleBrowser->addItems(QStyleFactory::keys());
    if (QStyleFactory::keys().contains(Settings::getInstance().getStyle()))
        bodyUI->styleBrowser->setCurrentText(Settings::getInstance().getStyle());
    else
        bodyUI->styleBrowser->setCurrentText(tr("None"));

    for (QString color : Style::themeColorNames)
        bodyUI->themeColorCBox->addItem(color);

    bodyUI->themeColorCBox->setCurrentIndex(Settings::getInstance().getThemeColor());

    bodyUI->emoticonSize->setValue(Settings::getInstance().getEmojiFontPointSize());

    QStringList timestamps;
    for (QString timestamp : timeFormats)
        timestamps << QString("%1 - %2").arg(timestamp, QTime::currentTime().toString(timestamp));

    bodyUI->timestamp->addItems(timestamps);

    QLocale ql;
    QStringList datestamps;
    dateFormats.append(ql.dateFormat());
    dateFormats.append(ql.dateFormat(QLocale::LongFormat));
    dateFormats.removeDuplicates();
    timeFormats.append(ql.timeFormat());
    timeFormats.append(ql.timeFormat(QLocale::LongFormat));
    timeFormats.removeDuplicates();

    for (QString datestamp : dateFormats)
        datestamps << QString("%1 - %2").arg(datestamp, QDate::currentDate().toString(datestamp));

    bodyUI->dateFormats->addItems(datestamps);

    bodyUI->timestamp->setCurrentText(QString("%1 - %2").arg(Settings::getInstance().getTimestampFormat(), QTime::currentTime().toString(Settings::getInstance().getTimestampFormat())));

    bodyUI->dateFormats->setCurrentText(QString("%1 - %2").arg(Settings::getInstance().getDateFormat(), QDate::currentDate().toString(Settings::getInstance().getDateFormat())));

    bodyUI->autoAwaySpinBox->setValue(Settings::getInstance().getAutoAwayTime());

    bodyUI->cbEnableUDP->setChecked(!Settings::getInstance().getForceTCP());
    bodyUI->proxyAddr->setText(Settings::getInstance().getProxyAddr());
    int port = Settings::getInstance().getProxyPort();
    if (port != -1)
        bodyUI->proxyPort->setValue(port);

    bodyUI->proxyType->setCurrentIndex(static_cast<int>(Settings::getInstance().getProxyType()));
    onUseProxyUpdated();
//.........这里部分代码省略.........

void LXQtWorldClock::settingsChanged()
{
    PluginSettings *_settings = settings();

    QString oldFormat = mFormat;

    mTimeZones.clear();

    QList<QMap<QString, QVariant> > array = _settings->readArray(QLatin1String("timeZones"));
    for (const auto &map : array)
    {
        QString timeZoneName = map.value(QLatin1String("timeZone"), QString()).toString();
        mTimeZones.append(timeZoneName);
        mTimeZoneCustomNames[timeZoneName] = map.value(QLatin1String("customName"),
                                                       QString()).toString();
    }

    if (mTimeZones.isEmpty())
        mTimeZones.append(QLatin1String("local"));

    mDefaultTimeZone = _settings->value(QLatin1String("defaultTimeZone"), QString()).toString();
    if (mDefaultTimeZone.isEmpty())
        mDefaultTimeZone = mTimeZones[0];
    mActiveTimeZone = mDefaultTimeZone;


    bool longTimeFormatSelected = false;

    QString formatType = _settings->value(QLatin1String("formatType"), QString()).toString();
    QString dateFormatType = _settings->value(QLatin1String("dateFormatType"), QString()).toString();
    bool advancedManual = _settings->value(QLatin1String("useAdvancedManualFormat"), false).toBool();

    // backward compatibility
    if (formatType == QLatin1String("custom"))
    {
        formatType = QLatin1String("short-timeonly");
        dateFormatType = QLatin1String("short");
        advancedManual = true;
    }
    else if (formatType == QLatin1String("short"))
    {
        formatType = QLatin1String("short-timeonly");
        dateFormatType = QLatin1String("short");
        advancedManual = false;
    }
    else if ((formatType == QLatin1String("full")) ||
             (formatType == QLatin1String("long")) ||
             (formatType == QLatin1String("medium")))
    {
        formatType = QLatin1String("long-timeonly");
        dateFormatType = QLatin1String("long");
        advancedManual = false;
    }

    if (formatType == QLatin1String("long-timeonly"))
        longTimeFormatSelected = true;

    bool timeShowSeconds = _settings->value(QLatin1String("timeShowSeconds"), false).toBool();
    bool timePadHour = _settings->value(QLatin1String("timePadHour"), false).toBool();
    bool timeAMPM = _settings->value(QLatin1String("timeAMPM"), false).toBool();

    // timezone
    bool showTimezone = _settings->value(QLatin1String("showTimezone"), false).toBool() && !longTimeFormatSelected;

    QString timezonePosition = _settings->value(QLatin1String("timezonePosition"), QString()).toString();
    QString timezoneFormatType = _settings->value(QLatin1String("timezoneFormatType"), QString()).toString();

    // date
    bool showDate = _settings->value(QLatin1String("showDate"), false).toBool();

    QString datePosition = _settings->value(QLatin1String("datePosition"), QString()).toString();

    bool dateShowYear = _settings->value(QLatin1String("dateShowYear"), false).toBool();
    bool dateShowDoW = _settings->value(QLatin1String("dateShowDoW"), false).toBool();
    bool datePadDay = _settings->value(QLatin1String("datePadDay"), false).toBool();
    bool dateLongNames = _settings->value(QLatin1String("dateLongNames"), false).toBool();

    // advanced
    QString customFormat = _settings->value(QLatin1String("customFormat"), tr("'<b>'HH:mm:ss'</b><br/><font size=\"-2\">'ddd, d MMM yyyy'<br/>'TT'</font>'")).toString();

    if (advancedManual)
        mFormat = customFormat;
    else
    {
        QLocale locale = QLocale(QLocale::AnyLanguage, QLocale().country());

        if (formatType == QLatin1String("short-timeonly"))
            mFormat = locale.timeFormat(QLocale::ShortFormat);
        else if (formatType == QLatin1String("long-timeonly"))
            mFormat = locale.timeFormat(QLocale::LongFormat);
        else // if (formatType == QLatin1String("custom-timeonly"))
            mFormat = QString(QLatin1String("%1:mm%2%3")).arg(timePadHour ? QLatin1String("hh") : QLatin1String("h")).arg(timeShowSeconds ? QLatin1String(":ss") : QLatin1String("")).arg(timeAMPM ? QLatin1String(" A") : QLatin1String(""));

        if (showTimezone)
        {
            QString timezonePortion;
            if (timezoneFormatType == QLatin1String("short"))
                timezonePortion = QLatin1String("TTTT");
            else if (timezoneFormatType == QLatin1String("long"))
                timezonePortion = QLatin1String("TTTTT");
//.........这里部分代码省略.........

QVariant LocaleModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid()
        || role != Qt::DisplayRole && role != Qt::EditRole && role != Qt::ToolTipRole
        || index.column() >= g_model_cols
        || index.row() >= g_locale_list_count + 2)
        return QVariant();

    QVariant data;
    if (index.column() < g_model_cols - 1)
        data = m_data_list.at(index.column());

    if (index.row() == 0) {
        if (role == Qt::ToolTipRole)
            return QVariant();
        switch (index.column()) {
            case 0:
                return data.toDouble();
            case 1:
                return data.toDate();
            case 2:
                return data.toDate();
            case 3:
                return data.toTime();
            case 4:
                return data.toTime();
            case 5:
                return QVariant();
            default:
                break;
        }
    } else {
        QLocale locale;
        if (index.row() == 1) {
            locale = QLocale::system();
        } else {
            LocaleListItem item = g_locale_list[index.row() - 2];
            locale = QLocale((QLocale::Language)item.language, (QLocale::Country)item.country);
        }

        switch (index.column()) {
            case 0:
                if (role == Qt::ToolTipRole)
                    return QVariant();
                return locale.toString(data.toDouble());
            case 1:
                if (role == Qt::ToolTipRole)
                    return locale.dateFormat(QLocale::LongFormat);
                return locale.toString(data.toDate(), QLocale::LongFormat);
            case 2:
                if (role == Qt::ToolTipRole)
                    return locale.dateFormat(QLocale::ShortFormat);
                return locale.toString(data.toDate(), QLocale::ShortFormat);
            case 3:
                if (role == Qt::ToolTipRole)
                    return locale.timeFormat(QLocale::LongFormat);
                return locale.toString(data.toTime(), QLocale::LongFormat);
            case 4:
                if (role == Qt::ToolTipRole)
                    return locale.timeFormat(QLocale::ShortFormat);
                return locale.toString(data.toTime(), QLocale::ShortFormat);
            case 5:
                if (role == Qt::ToolTipRole)
                    return QVariant();
                return locale.name();
            default:
                break;
        }
    }

    return QVariant();
}

void DateFormatsWidget::localeChanged(QLocale locale)
{
    setLocale(locale);
    QDateTime now = QDateTime::currentDateTime();
    shortDateFormat->setText(locale.toString(now.date(), QLocale::ShortFormat));
    shortDateFormat->setToolTip(locale.dateFormat(QLocale::ShortFormat));
    longDateFormat->setText(locale.toString(now.date(), QLocale::LongFormat));
    longDateFormat->setToolTip(locale.dateFormat(QLocale::LongFormat));
    shortTimeFormat->setText(locale.toString(now.time(), QLocale::ShortFormat));
    shortTimeFormat->setToolTip(locale.timeFormat(QLocale::ShortFormat));
    longTimeFormat->setText(locale.toString(now.time(), QLocale::LongFormat));
    longTimeFormat->setToolTip(locale.timeFormat(QLocale::LongFormat));
    shortDateTimeFormat->setText(locale.toString(now, QLocale::ShortFormat));
    shortDateTimeFormat->setToolTip(locale.dateTimeFormat(QLocale::ShortFormat));
    longDateTimeFormat->setText(locale.toString(now, QLocale::LongFormat));
    longDateTimeFormat->setToolTip(locale.dateTimeFormat(QLocale::LongFormat));
    amText->setText(locale.amText());
    pmText->setText(locale.pmText());
    firstDayOfWeek->setText(toString(locale.firstDayOfWeek()));

    int mns = monthNamesShort->currentIndex();
    int mnl = monthNamesLong->currentIndex();
    int smns = standaloneMonthNamesShort->currentIndex();
    int smnl = standaloneMonthNamesLong->currentIndex();
    int dnl = dayNamesLong->currentIndex();
    int dns = dayNamesShort->currentIndex();
    int sdnl = standaloneDayNamesLong->currentIndex();
    int sdns = standaloneDayNamesShort->currentIndex();

    monthNamesShort->clear();
    monthNamesLong->clear();
    standaloneMonthNamesShort->clear();
    standaloneMonthNamesLong->clear();
    dayNamesLong->clear();
    dayNamesShort->clear();
    standaloneDayNamesLong->clear();
    standaloneDayNamesShort->clear();

    for (int i = 1; i <= 12; ++i)
        monthNamesShort->addItem(locale.monthName(i, QLocale::ShortFormat));
    monthNamesShort->setCurrentIndex(mns >= 0 ? mns : 0);
    for (int i = 1; i <= 12; ++i)
        monthNamesLong->addItem(locale.monthName(i, QLocale::LongFormat));
    monthNamesLong->setCurrentIndex(mnl >= 0 ? mnl : 0);

    for (int i = 1; i <= 12; ++i)
        standaloneMonthNamesShort->addItem(locale.standaloneMonthName(i, QLocale::ShortFormat));
    standaloneMonthNamesShort->setCurrentIndex(smns >= 0 ? smns : 0);
    for (int i = 1; i <= 12; ++i)
        standaloneMonthNamesLong->addItem(locale.standaloneMonthName(i, QLocale::LongFormat));
    standaloneMonthNamesLong->setCurrentIndex(smnl >= 0 ? smnl : 0);

    for (int i = 1; i <= 7; ++i)
        dayNamesLong->addItem(locale.dayName(i, QLocale::LongFormat));
    dayNamesLong->setCurrentIndex(dnl >= 0 ? dnl : 0);
    for (int i = 1; i <= 7; ++i)
        dayNamesShort->addItem(locale.dayName(i, QLocale::ShortFormat));
    dayNamesShort->setCurrentIndex(dns >= 0 ? dns : 0);

    for (int i = 1; i <= 7; ++i)
        standaloneDayNamesLong->addItem(locale.standaloneDayName(i, QLocale::LongFormat));
    standaloneDayNamesLong->setCurrentIndex(sdnl >= 0 ? sdnl : 0);
    for (int i = 1; i <= 7; ++i)
        standaloneDayNamesShort->addItem(locale.standaloneDayName(i, QLocale::ShortFormat));
    standaloneDayNamesShort->setCurrentIndex(sdns >= 0 ? sdns : 0);
}