qt5base-lts/tests/manual/qlocale/window.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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****************************************************************************/
#include "window.h"
Window::Window()
{
localeCombo = new QComboBox;
localeCombo->addItem("System", QLocale::system());
QList<QLocale> locales = QLocale::matchingLocales(QLocale::AnyLanguage, QLocale::AnyScript, QLocale::AnyCountry);
foreach (const QLocale &locale, locales) {
QString label = QLocale::languageToString(locale.language());
label += QLatin1Char('/');
if (locale.script() != QLocale::AnyScript) {
label += QLocale::scriptToString(locale.script());
label += QLatin1Char('/');
}
label += QLocale::countryToString(locale.country());
localeCombo->addItem(label, locale);
}
connect(localeCombo, SIGNAL(currentIndexChanged(int)),
this, SLOT(localeChanged(int)));
tabWidget = new QTabWidget;
info = new InfoWidget;
connect(this, SIGNAL(localeChanged(QLocale)), info, SLOT(localeChanged(QLocale)));
calendar = new CalendarWidget;
connect(this, SIGNAL(localeChanged(QLocale)), calendar, SLOT(localeChanged(QLocale)));
currency = new CurrencyWidget;
connect(this, SIGNAL(localeChanged(QLocale)), currency, SLOT(localeChanged(QLocale)));
languages = new LanguagesWidget;
connect(this, SIGNAL(localeChanged(QLocale)), languages, SLOT(localeChanged(QLocale)));
dateFormats = new DateFormatsWidget;
connect(this, SIGNAL(localeChanged(QLocale)), dateFormats, SLOT(localeChanged(QLocale)));
numberFormats = new NumberFormatsWidget;
connect(this, SIGNAL(localeChanged(QLocale)), numberFormats, SLOT(localeChanged(QLocale)));
miscellaneous = new MiscWidget;
connect(this, SIGNAL(localeChanged(QLocale)), miscellaneous, SLOT(localeChanged(QLocale)));
localeName = new QLabel("Locale: foo_BAR");
QWidget *w = new QWidget;
QHBoxLayout *headerLayout = new QHBoxLayout(w);
headerLayout->addWidget(localeCombo);
headerLayout->addWidget(localeName);
QWidget *central = new QWidget;
QVBoxLayout *l = new QVBoxLayout(central);
l->addWidget(w);
l->addWidget(tabWidget);
tabWidget->addTab(info, "Info");
tabWidget->addTab(calendar, "Calendar");
tabWidget->addTab(currency, "Currency");
tabWidget->addTab(languages, "Languages");
tabWidget->addTab(dateFormats, "Date Formats");
tabWidget->addTab(numberFormats, "Number Formats");
tabWidget->addTab(miscellaneous, "Text");
localeCombo->setCurrentIndex(0);
systemLocaleChanged();
setCentralWidget(central);
}
void Window::systemLocaleChanged()
{
QLocale l = QLocale::system();
QString lang = QLocale::languageToString(l.language());
QString script = QLocale::scriptToString(l.script());
QString country = QLocale::countryToString(l.country());
if (l.script() != QLocale::AnyScript)
localeCombo->setItemText(0, QString("System: %1-%2-%3").arg(lang, script, country));
else
localeCombo->setItemText(0, QString("System: %1-%2").arg(lang, country));
emit localeChanged(0);
}
void Window::localeChanged(int idx)
{
QLocale locale = localeCombo->itemData(idx).toLocale();
localeName->setText(QString("Locale: %1 (%2)").arg(locale.bcp47Name(), locale.name()));
emit localeChanged(locale);
}
bool Window::event(QEvent *event)
{
switch (event->type()) {
case QEvent::LocaleChange: {
if (localeCombo->currentIndex() == 0)
systemLocaleChanged();
return true;
}
default:
break;
}
return QMainWindow::event(event);
}