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/*
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
* Copyright (C) 2014 Felix Geyer <debfx@fobos.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Translator.h"
#include <QCoreApplication>
#include <QDir>
#include <QLibraryInfo>
#include <QLocale>
#include <QRegularExpression>
#include <QTranslator>
#include "config-keepassx.h"
#include "core/Config.h"
#include "core/FilePath.h"
/**
* Install all KeePassXC and Qt translators.
*/
void Translator::installTranslators()
{
QStringList languages;
QString languageSetting = config()->get("GUI/Language").toString();
if (languageSetting.isEmpty() || languageSetting == "system") {
// NOTE: this is a workaround for the terrible way Qt loads languages
// using the QLocale::uiLanguages() approach. Instead, we search each
// language and all country variants in order before moving to the next.
QLocale locale;
languages = locale.uiLanguages();
} else {
languages << languageSetting;
}
// Always try to load english last
languages << "en_US";
const QStringList paths = {
#ifdef QT_DEBUG
QString("%1/share/translations").arg(KEEPASSX_BINARY_DIR),
#endif
filePath()->dataPath("translations")};
bool translationsLoaded = false;
for (const QString& path : paths) {
installQtTranslator(languages, path);
if (installTranslator(languages, path)) {
translationsLoaded = true;
break;
}
}
if (!translationsLoaded) {
// couldn't load configured language or fallback
qWarning("Couldn't load translations.");
}
}
/**
* Install KeePassXC translator.
*
* @param languages priority-ordered list of languages
* @param path absolute search path
* @return true on success
*/
bool Translator::installTranslator(const QStringList& languages, const QString& path)
{
for (const auto& language : languages) {
QLocale locale(language);
QScopedPointer<QTranslator> translator(new QTranslator(qApp));
if (translator->load(locale, "keepassx_", "", path)) {
return QCoreApplication::installTranslator(translator.take());
}
}
return false;
}
/**
* Install Qt5 base translator from the specified local search path or the default system path
* if no qtbase_* translations were found at the local path.
*
* @param languages priority-ordered list of languages
* @param path absolute search path
* @return true on success
*/
bool Translator::installQtTranslator(const QStringList& languages, const QString& path)
{
for (const auto& language : languages) {
QLocale locale(language);
QScopedPointer<QTranslator> qtTranslator(new QTranslator(qApp));
if (qtTranslator->load(locale, "qtbase_", "", path)) {
return QCoreApplication::installTranslator(qtTranslator.take());
} else if (qtTranslator->load(locale, "qtbase_", "", QLibraryInfo::location(QLibraryInfo::TranslationsPath))) {
return QCoreApplication::installTranslator(qtTranslator.take());
}
}
return false;
}
/**
* @return list of pairs of available language codes and names
*/
QList<QPair<QString, QString>> Translator::availableLanguages()
{
const QStringList paths = {
#ifdef QT_DEBUG
QString("%1/share/translations").arg(KEEPASSX_BINARY_DIR),
#endif
filePath()->dataPath("translations")};
QList<QPair<QString, QString>> languages;
languages.append(QPair<QString, QString>("system", "System default"));
QRegularExpression regExp("^keepassx_([a-zA-Z_]+)\\.qm$", QRegularExpression::CaseInsensitiveOption);
for (const QString& path : paths) {
const QStringList fileList = QDir(path).entryList();
for (const QString& filename : fileList) {
QRegularExpressionMatch match = regExp.match(filename);
if (match.hasMatch()) {
QString langcode = match.captured(1);
if (langcode == "en") {
continue;
}
QLocale locale(langcode);
QString languageStr = QLocale::languageToString(locale.language());
if (langcode == "la") {
// langcode "la" (Latin) is translated into "C" by QLocale::languageToString()
languageStr = "Latin";
}
QString countryStr;
if (langcode.contains("_")) {
countryStr = QString(" (%1)").arg(QLocale::countryToString(locale.country()));
}
QPair<QString, QString> language(langcode, languageStr + countryStr);
languages.append(language);
}
}
}
return languages;
}
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