rssguard/src/librssguard/miscellaneous/localization.cpp
2021-09-13 12:45:07 +02:00

91 lines
3.1 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#include "miscellaneous/localization.h"
#include "miscellaneous/application.h"
#include <QDir>
#include <QFileInfoList>
#include <QLocale>
#include <QTranslator>
Localization::Localization(QObject* parent)
: QObject(parent) {}
Localization::~Localization() = default;
QString Localization::desiredLanguage() const {
return qApp->settings()->value(GROUP(General), SETTING(General::Language)).toString();
}
void Localization::loadActiveLanguage() {
auto* qt_translator = new QTranslator(qApp);
auto* app_translator = new QTranslator(qApp);
QString desired_localization = desiredLanguage();
qDebugNN << LOGSEC_CORE
<< "Starting to load active localization. Desired localization is"
<< QUOTE_W_SPACE_DOT(desired_localization);
if (app_translator->load(QLocale(desired_localization), QSL("rssguard"), QSL("_"), APP_LANG_PATH)) {
const QString real_loaded_locale = app_translator->translate("QObject", "LANG_ABBREV");
Application::installTranslator(app_translator);
qDebugNN << LOGSEC_CORE
<< "Application localization"
<< QUOTE_W_SPACE(desired_localization)
<< "loaded successfully, specifically sublocalization"
<< QUOTE_W_SPACE(real_loaded_locale)
<< "was loaded.";
desired_localization = real_loaded_locale;
}
else {
qWarningNN << LOGSEC_CORE
<< "Application localization"
<< QUOTE_W_SPACE(desired_localization)
<< "was not loaded. Loading"
<< QUOTE_W_SPACE(DEFAULT_LOCALE)
<< "instead.";
desired_localization = QSL(DEFAULT_LOCALE);
}
if (qt_translator->load(QLocale(desired_localization), QSL("qtbase"), QSL("_"), APP_LANG_PATH)) {
Application::installTranslator(qt_translator);
qDebugNN << LOGSEC_CORE
<< "Qt localization"
<< QUOTE_W_SPACE(desired_localization)
<< "loaded successfully.";
}
else {
qWarningNN << LOGSEC_CORE
<< "Qt localization"
<< QUOTE_W_SPACE(desired_localization)
<< "WAS NOT loaded successfully.";
}
m_loadedLanguage = desired_localization;
m_loadedLocale = QLocale(desired_localization);
QLocale::setDefault(m_loadedLocale);
}
QList<Language> Localization::installedLanguages() const {
QList<Language> languages;
const QDir file_dir(APP_LANG_PATH);
QTranslator translator;
auto lang_files = file_dir.entryInfoList(QStringList() << QSL("rssguard_*.qm"), QDir::Files, QDir::Name);
// Iterate all found language files.
for (const QFileInfo& file : qAsConst(lang_files)) {
if (translator.load(file.absoluteFilePath())) {
Language new_language;
new_language.m_code = translator.translate("QObject", "LANG_ABBREV");
new_language.m_author = translator.translate("QObject", "LANG_AUTHOR");
new_language.m_email = translator.translate("QObject", "LANG_EMAIL");
new_language.m_name = QLocale(new_language.m_code).nativeLanguageName();
languages << new_language;
}
}
return languages;
}