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/* This file was generated by ecm_create_qm_loader(). DO NOT EDIT!
*
* Building this file in a library ensures translations are automatically loaded
* when an application makes use of the library.
*
*
* SPDX-FileCopyrightText: 2014 Aurélien Gâteau <agateau@kde.org>
* SPDX-FileCopyrightText: 2015 Alex Merry <alex.merry@kde.org>
* SPDX-FileCopyrightText: 2023 Ingo Klöcker <kloecker@kde.org>
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <QCoreApplication>
#include <QLocale>
#include <QStandardPaths>
#include <QThread>
#include <QTranslator>
#include <QDir>
namespace {
static QLocale getSystemLocale()
{
#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
// On Windows and Apple OSs, we cannot use QLocale::system() if an application-specific
// language was set by kxmlgui because Qt ignores LANGUAGE on Windows and Apple OSs.
// The following code is a simplified variant of QSystemLocale::fallbackUiLocale()
// (in qlocale_unix.cpp) ignoring LC_ALL, LC_MESSAGES, and LANG.
QString language = qEnvironmentVariable("LANGUAGE");
if (!language.isEmpty()) {
language = language.split(QLatin1Char{':'}).constFirst();
if (!language.isEmpty()) {
return QLocale{language};
}
}
#endif
return QLocale::system();
}
enum class LoadOptions { CreateWatcher, DoNotCreateWatcher };
void load(LoadOptions options);
class LanguageChangeWatcher : public QObject
{
public:
LanguageChangeWatcher(QObject *parent) : QObject(parent)
{
m_loadedLocale = getSystemLocale().name();
QCoreApplication::instance()->installEventFilter(this);
}
private:
bool eventFilter(QObject *obj, QEvent *event) override
{
if (event->type() == QEvent::LanguageChange) {
const auto systemLocaleName = getSystemLocale().name();
if (m_loadedLocale != systemLocaleName) {
m_loadedLocale = systemLocaleName;
load(LoadOptions::DoNotCreateWatcher);
}
}
return QObject::eventFilter(obj, event);
}
QString m_loadedLocale;
};
bool loadTranslation(const QString &localeDirName)
{
QString subPath = QStringLiteral("locale/") + localeDirName + QStringLiteral("/LC_MESSAGES/@QM_LOADER_CATALOG_NAME@.qm");
#if defined(Q_OS_ANDROID)
const QString fullPath = QStringLiteral("assets:/share/") + subPath;
if (!QFile::exists(fullPath)) {
return false;
}
#else
const QString fullPath = QStandardPaths::locate(QStandardPaths::GenericDataLocation, subPath);
if (fullPath.isEmpty()) {
return false;
}
#endif
QTranslator *translator = new QTranslator(QCoreApplication::instance());
if (!translator->load(fullPath)) {
delete translator;
return false;
}
QCoreApplication::instance()->installTranslator(translator);
return true;
}
void load(LoadOptions options)
{
// 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"));
auto langs = getSystemLocale().uiLanguages();
for (int i = 0; i < langs.size(); i++) {
langs[i].replace(QLatin1Char('-'), QLatin1Char('_'));
const auto idx = langs[i].indexOf(QLatin1Char('_'));
if (idx > 0) {
// insert the country stripped language to the ideal position,
// that is, after the same langauge dialects.
// if langs is [pt_Latn_BR, pt_BR], the pt should be inserted
// after pt_BR
const QString genericLang = langs[i].left(idx);
int j = i + 1;
int insertIdx = j;
bool found = false;
while (j < langs.size()) {
if (langs[j] == genericLang) {
found = true;
break;
}
if (langs[j].startsWith(genericLang)) {
insertIdx = j + 1;
}
j++;
}
if (!found) {
langs.insert(insertIdx, genericLang);
}
}
}
langs.removeDuplicates();
for (const auto &lang :
#if QT_VERSION_MAJOR == 5
qAsConst(langs)
#else
std::as_const(langs)
#endif
) {
if (lang == QLatin1String("en") || loadTranslation(lang)) {
break;
}
}
if (options == LoadOptions::CreateWatcher) {
new LanguageChangeWatcher(QCoreApplication::instance());
}
}
void loadOnMainThread()
{
// If this library is loaded after the QCoreApplication instance is
// created (eg: because it is brought in by a plugin), there is no
// guarantee this function will be called on the main thread.
// QCoreApplication::installTranslator needs to be called on the main
// thread, because it uses QCoreApplication::sendEvent.
if (QThread::currentThread() == QCoreApplication::instance()->thread()) {
load(LoadOptions::CreateWatcher);
} else {
QMetaObject::invokeMethod(QCoreApplication::instance(), [] { load(LoadOptions::CreateWatcher); }, Qt::QueuedConnection);
}
}
}
Q_COREAPP_STARTUP_FUNCTION(loadOnMainThread)
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