TranslationsModel: clang-tidy and code quality

Signed-off-by: Octol1ttle <l1ttleofficial@outlook.com>
This commit is contained in:
Octol1ttle 2026-05-03 17:20:05 +05:00
parent 8b159bacd8
commit 87f7c812c7
No known key found for this signature in database
GPG key ID: B77C34313AEE1FFF
2 changed files with 178 additions and 175 deletions

View file

@ -36,13 +36,9 @@
#include "TranslationsModel.h"
#include <QCoreApplication>
#include <QDebug>
#include <QDir>
#include <QLibraryInfo>
#include <QLocale>
#include <QTranslator>
#include <locale>
#include <memory>
#include <utility>
#include "BuildConfig.h"
#include "FileSystem.h"
@ -55,18 +51,26 @@
#include "Application.h"
#include "settings/SettingsObject.h"
const static QLatin1String defaultLangCode("en_US");
static constexpr QLatin1String g_defaultLangCode("en_US");
enum class FileType { NONE, QM, PO };
namespace {
enum class FileType : std::uint8_t { None, Qm, Po };
QString getSystemLocaleName()
{
return QLocale::system().name();
}
QString getSystemLanguage()
{
return getSystemLocaleName().split('_').front();
}
} // namespace
struct Language {
Language() { updated = true; }
Language(const QString& _key)
{
key = _key;
locale = QLocale(key);
updated = (key == defaultLangCode);
}
Language() : updated(true) {}
explicit Language(QString _key) : key(std::move(_key)), updated(key == g_defaultLangCode) { locale = QLocale(key); }
QString languageName() const
{
@ -98,12 +102,12 @@ struct Language {
float percentTranslated() const
{
if (total == 0) {
return 100.0f;
return 100.0F;
}
return 100.0f * float(translated) / float(total);
return 100.0F * static_cast<float>(translated) / static_cast<float>(total);
}
void setTranslationStats(unsigned _translated, unsigned _untranslated, unsigned _fuzzy)
void setTranslationStats(const unsigned _translated, const unsigned _untranslated, const unsigned _fuzzy)
{
translated = _translated;
untranslated = _untranslated;
@ -115,18 +119,18 @@ struct Language {
bool isIdenticalTo(const Language& other) const
{
return (key == other.key && file_name == other.file_name && file_size == other.file_size && file_sha1 == other.file_sha1 &&
return (key == other.key && fileName == other.fileName && fileSize == other.fileSize && fileSha1 == other.fileSha1 &&
translated == other.translated && fuzzy == other.fuzzy && total == other.fuzzy && localFileType == other.localFileType);
}
Language& apply(Language& other)
Language& apply(const Language& other)
{
if (!isOfSameNameAs(other)) {
return *this;
}
file_name = other.file_name;
file_size = other.file_size;
file_sha1 = other.file_sha1;
fileName = other.fileName;
fileSize = other.fileSize;
fileSha1 = other.fileSha1;
translated = other.translated;
fuzzy = other.fuzzy;
total = other.total;
@ -138,46 +142,42 @@ struct Language {
QLocale locale;
bool updated;
QString file_name = QString();
std::size_t file_size = 0;
QString file_sha1 = QString();
QString fileName = QString();
std::size_t fileSize = 0;
QString fileSha1 = QString();
unsigned translated = 0;
unsigned untranslated = 0;
unsigned fuzzy = 0;
unsigned total = 0;
FileType localFileType = FileType::NONE;
FileType localFileType = FileType::None;
};
struct TranslationsModel::Private {
QDir m_dir;
// initial state is just english
QList<Language> m_languages = { Language(defaultLangCode) };
QList<Language> m_languages = { Language(g_defaultLangCode) };
QString m_selectedLanguage = defaultLangCode;
std::unique_ptr<QTranslator> m_qt_translator;
std::unique_ptr<QTranslator> m_app_translator;
QString m_selectedLanguage = g_defaultLangCode;
std::unique_ptr<QTranslator> m_qtTranslator;
std::unique_ptr<QTranslator> m_appTranslator;
Net::Download* m_index_task;
Net::Download* m_indexTask = nullptr;
QString m_downloadingTranslation;
NetJob::Ptr m_dl_job;
NetJob::Ptr m_index_job;
NetJob::Ptr m_downloadJob;
NetJob::Ptr m_indexJob;
QString m_nextDownload;
std::unique_ptr<POTranslator> m_po_translator;
QFileSystemWatcher* watcher;
QFileSystemWatcher* watcher = nullptr;
const QString m_system_locale = QLocale::system().name();
const QString m_system_language = m_system_locale.split('_').front();
bool no_language_set = false;
bool m_noLanguageSet = false;
};
TranslationsModel::TranslationsModel(QString path, QObject* parent) : QAbstractListModel(parent)
TranslationsModel::TranslationsModel(const QString& path, QObject* parent) : QAbstractListModel(parent)
{
d.reset(new Private);
d = std::make_unique<Private>();
d->m_dir.setPath(path);
FS::ensureFolderPathExists(path);
reloadLocalFiles();
@ -187,12 +187,12 @@ TranslationsModel::TranslationsModel(QString path, QObject* parent) : QAbstractL
d->watcher->addPath(d->m_dir.canonicalPath());
}
TranslationsModel::~TranslationsModel() {}
TranslationsModel::~TranslationsModel() = default;
void TranslationsModel::translationDirChanged(const QString& path)
{
qDebug() << "Dir changed:" << path;
if (!d->no_language_set) {
if (!d->m_noLanguageSet) {
reloadLocalFiles();
}
selectLanguage(selectedLanguage());
@ -201,24 +201,22 @@ void TranslationsModel::translationDirChanged(const QString& path)
void TranslationsModel::indexReceived()
{
qDebug() << "Got translations index!";
d->m_index_job.reset();
d->m_indexJob.reset();
if (d->no_language_set) {
if (d->m_noLanguageSet) {
reloadLocalFiles();
auto language = d->m_system_locale;
auto language = getSystemLocaleName();
if (!findLanguageAsOptional(language).has_value()) {
language = d->m_system_language;
language = getSystemLanguage();
}
selectLanguage(language);
if (selectedLanguage() != defaultLangCode) {
if (selectedLanguage() != g_defaultLangCode) {
updateLanguage(selectedLanguage());
}
APPLICATION->settings()->set("Language", selectedLanguage());
d->no_language_set = false;
}
else if (d->m_selectedLanguage != defaultLangCode) {
d->m_noLanguageSet = false;
} else if (d->m_selectedLanguage != g_defaultLangCode) {
downloadTranslation(d->m_selectedLanguage);
}
}
@ -235,27 +233,27 @@ void readIndex(const QString& path, QMap<QString, Language>& languages)
}
try {
auto toplevel_doc = Json::requireDocument(data);
auto doc = Json::requireObject(toplevel_doc);
auto file_type = Json::requireString(doc, "file_type");
if (file_type != "MMC-TRANSLATION-INDEX") {
qCritical() << "Translations Download Failed: index file is of unknown file type" << file_type;
auto toplevelDoc = Json::requireDocument(data);
auto doc = Json::requireObject(toplevelDoc);
auto fileType = Json::requireString(doc, "file_type");
if (fileType != "MMC-TRANSLATION-INDEX") {
qCritical() << "Translations Download Failed: index file is of unknown file type" << fileType;
return;
}
auto version = Json::requireInteger(doc, "version");
if (version > 2) {
qCritical() << "Translations Download Failed: index file is of unknown format version" << file_type;
qCritical() << "Translations Download Failed: index file is of unknown format version" << fileType;
return;
}
auto langObjs = Json::requireObject(doc, "languages");
for (auto iter = langObjs.begin(); iter != langObjs.end(); iter++) {
for (auto iter = langObjs.begin(); iter != langObjs.end(); ++iter) {
Language lang(iter.key());
auto langObj = Json::requireObject(iter.value());
lang.setTranslationStats(langObj["translated"].toInt(), langObj["untranslated"].toInt(), langObj["fuzzy"].toInt());
lang.file_name = Json::requireString(langObj, "file");
lang.file_sha1 = Json::requireString(langObj, "sha1");
lang.file_size = Json::requireInteger(langObj, "size");
lang.fileName = Json::requireString(langObj, "file");
lang.fileSha1 = Json::requireString(langObj, "sha1");
lang.fileSize = Json::requireInteger(langObj, "size");
languages.insert(lang.key, lang);
}
@ -267,20 +265,20 @@ void readIndex(const QString& path, QMap<QString, Language>& languages)
void TranslationsModel::reloadLocalFiles()
{
QMap<QString, Language> languages = { { defaultLangCode, Language(defaultLangCode) } };
QMap<QString, Language> languages = { { g_defaultLangCode, Language(g_defaultLangCode) } };
readIndex(d->m_dir.absoluteFilePath("index_v2.json"), languages);
auto entries = d->m_dir.entryInfoList({ "mmc_*.qm", "*.po" }, QDir::Files | QDir::NoDotAndDotDot);
for (auto& entry : entries) {
auto completeSuffix = entry.completeSuffix();
QString langCode;
FileType fileType = FileType::NONE;
FileType fileType = FileType::None;
if (completeSuffix == "qm") {
langCode = entry.baseName().remove(0, 4);
fileType = FileType::QM;
fileType = FileType::Qm;
} else if (completeSuffix == "po") {
langCode = entry.baseName();
fileType = FileType::PO;
fileType = FileType::Po;
} else {
continue;
}
@ -288,13 +286,14 @@ void TranslationsModel::reloadLocalFiles()
auto langIter = languages.find(langCode);
if (langIter != languages.end()) {
auto& language = *langIter;
if (int(fileType) > int(language.localFileType)) {
// TODO: use std::to_underlying in C++23
if (static_cast<int>(fileType) > static_cast<int>(language.localFileType)) {
language.localFileType = fileType;
}
} else {
if (fileType == FileType::PO) {
if (fileType == FileType::Po) {
Language localFound(langCode);
localFound.localFileType = FileType::PO;
localFound.localFileType = FileType::Po;
languages.insert(langCode, localFound);
}
}
@ -314,7 +313,7 @@ void TranslationsModel::reloadLocalFiles()
emit dataChanged(index(row), index(row));
languages.remove(language.key);
}
iter++;
++iter;
} else {
beginRemoveRows(QModelIndex(), row, row);
iter = d->m_languages.erase(iter);
@ -329,34 +328,38 @@ void TranslationsModel::reloadLocalFiles()
for (auto& language : languages) {
d->m_languages.append(language);
}
std::sort(d->m_languages.begin(), d->m_languages.end(), [this](const Language& a, const Language& b) {
const auto comp = [systemLocale = getSystemLocaleName(), systemLanguage = getSystemLanguage()](const Language& a, const Language& b) {
if (a.key != b.key) {
if (a.key == d->m_system_locale || a.key == d->m_system_language) {
if (a.key == systemLocale || a.key == systemLanguage) {
return true;
}
if (b.key == d->m_system_locale || b.key == d->m_system_language) {
if (b.key == systemLocale || b.key == systemLanguage) {
return false;
}
}
return a.languageName().toLower() < b.languageName().toLower();
});
};
std::ranges::sort(d->m_languages, comp);
endInsertRows();
}
namespace {
enum class Column { Language, Completeness };
enum class Column : std::uint8_t { Language, Completeness };
}
QVariant TranslationsModel::data(const QModelIndex& index, int role) const
QVariant TranslationsModel::data(const QModelIndex& index, const int role) const
{
if (!index.isValid())
return QVariant();
if (!index.isValid()) {
return {};
}
int row = index.row();
auto column = static_cast<Column>(index.column());
const int row = index.row();
const auto column = static_cast<Column>(index.column());
if (row < 0 || row >= d->m_languages.size())
return QVariant();
if (row < 0 || row >= d->m_languages.size()) {
return {};
}
auto& lang = d->m_languages[row];
switch (role) {
@ -378,11 +381,11 @@ QVariant TranslationsModel::data(const QModelIndex& index, int role) const
case Qt::UserRole:
return lang.key;
default:
return QVariant();
return {};
}
}
QVariant TranslationsModel::headerData(int section, Qt::Orientation orientation, int role) const
QVariant TranslationsModel::headerData(int section, const Qt::Orientation orientation, const int role) const
{
auto column = static_cast<Column>(section);
if (role == Qt::DisplayRole) {
@ -417,49 +420,50 @@ int TranslationsModel::columnCount([[maybe_unused]] const QModelIndex& parent) c
return 2;
}
QList<Language>::Iterator TranslationsModel::findLanguage(const QString& key)
QList<Language>::Iterator TranslationsModel::findLanguage(const QString& key) const
{
return std::find_if(d->m_languages.begin(), d->m_languages.end(), [key](Language& lang) { return lang.key == key; });
return std::ranges::find_if(d->m_languages, [key](const Language& lang) { return lang.key == key; });
}
std::optional<Language> TranslationsModel::findLanguageAsOptional(const QString& key)
std::optional<Language> TranslationsModel::findLanguageAsOptional(const QString& key) const
{
auto found = findLanguage(key);
if (found != d->m_languages.end())
if (found != d->m_languages.end()) {
return *found;
}
return {};
}
void TranslationsModel::setUseSystemLocale(bool useSystemLocale)
void TranslationsModel::setUseSystemLocale(const bool useSystemLocale) const
{
APPLICATION->settings()->set("UseSystemLocale", useSystemLocale);
QLocale::setDefault(useSystemLocale ? QLocale::system() : QLocale(selectedLanguage()));
}
bool TranslationsModel::selectLanguage(QString key)
bool TranslationsModel::selectLanguage(QString key) const
{
QString& langCode = key;
auto langPtr = findLanguageAsOptional(key);
if (langCode.isEmpty()) {
d->no_language_set = true;
d->m_noLanguageSet = true;
}
if (!langPtr.has_value()) {
qWarning() << "Selected invalid language" << key << ", defaulting to" << defaultLangCode;
langCode = defaultLangCode;
qWarning() << "Selected invalid language" << key << ", defaulting to" << g_defaultLangCode;
langCode = g_defaultLangCode;
} else {
langCode = langPtr->key;
}
// uninstall existing translators if there are any
if (d->m_app_translator) {
QCoreApplication::removeTranslator(d->m_app_translator.get());
d->m_app_translator.reset();
if (d->m_appTranslator) {
QCoreApplication::removeTranslator(d->m_appTranslator.get());
d->m_appTranslator.reset();
}
if (d->m_qt_translator) {
QCoreApplication::removeTranslator(d->m_qt_translator.get());
d->m_qt_translator.reset();
if (d->m_qtTranslator) {
QCoreApplication::removeTranslator(d->m_qtTranslator.get());
d->m_qtTranslator.reset();
}
/*
@ -471,7 +475,7 @@ bool TranslationsModel::selectLanguage(QString key)
QLocale::setDefault(useSystemLocale ? QLocale::system() : QLocale(langCode));
// if it's the default UI language, finish
if (langCode == defaultLangCode) {
if (langCode == g_defaultLangCode) {
d->m_selectedLanguage = langCode;
return true;
}
@ -479,89 +483,88 @@ bool TranslationsModel::selectLanguage(QString key)
// otherwise install new translations
bool successful = false;
// FIXME: this is likely never present. FIX IT.
d->m_qt_translator.reset(new QTranslator());
if (d->m_qt_translator->load("qt_" + langCode, QLibraryInfo::path(QLibraryInfo::TranslationsPath))) {
d->m_qtTranslator = std::make_unique<QTranslator>();
if (d->m_qtTranslator->load("qt_" + langCode, QLibraryInfo::path(QLibraryInfo::TranslationsPath))) {
qDebug() << "Loading Qt Language File for" << langCode.toLocal8Bit().constData() << "...";
if (!QCoreApplication::installTranslator(d->m_qt_translator.get())) {
if (!QCoreApplication::installTranslator(d->m_qtTranslator.get())) {
qCritical() << "Loading Qt Language File failed.";
d->m_qt_translator.reset();
d->m_qtTranslator.reset();
} else {
successful = true;
}
} else {
d->m_qt_translator.reset();
d->m_qtTranslator.reset();
}
if (langPtr->localFileType == FileType::PO) {
if (langPtr->localFileType == FileType::Po) {
qDebug() << "Loading Application Language File for" << langCode.toLocal8Bit().constData() << "...";
auto poTranslator = new POTranslator(FS::PathCombine(d->m_dir.path(), langCode + ".po"));
if (!poTranslator->isEmpty()) {
if (!QCoreApplication::installTranslator(poTranslator)) {
delete poTranslator;
d->m_appTranslator = std::make_unique<POTranslator>(FS::PathCombine(d->m_dir.path(), langCode + ".po"));
if (!d->m_appTranslator->isEmpty()) {
if (!QCoreApplication::installTranslator(d->m_appTranslator.get())) {
qCritical() << "Installing Application Language File failed.";
d->m_appTranslator.reset();
} else {
d->m_app_translator.reset(poTranslator);
successful = true;
}
} else {
qCritical() << "Loading Application Language File failed.";
d->m_app_translator.reset();
d->m_appTranslator.reset();
}
} else if (langPtr->localFileType == FileType::QM) {
d->m_app_translator.reset(new QTranslator());
if (d->m_app_translator->load("mmc_" + langCode, d->m_dir.path())) {
} else if (langPtr->localFileType == FileType::Qm) {
d->m_appTranslator = std::make_unique<QTranslator>();
if (d->m_appTranslator->load("mmc_" + langCode, d->m_dir.path())) {
qDebug() << "Loading Application Language File for" << langCode.toLocal8Bit().constData() << "...";
if (!QCoreApplication::installTranslator(d->m_app_translator.get())) {
if (!QCoreApplication::installTranslator(d->m_appTranslator.get())) {
qCritical() << "Installing Application Language File failed.";
d->m_app_translator.reset();
d->m_appTranslator.reset();
} else {
successful = true;
}
} else {
d->m_app_translator.reset();
d->m_appTranslator.reset();
}
} else {
d->m_app_translator.reset();
d->m_appTranslator.reset();
}
d->m_selectedLanguage = langCode;
return successful;
}
QModelIndex TranslationsModel::selectedIndex()
QModelIndex TranslationsModel::selectedIndex() const
{
auto found = findLanguage(d->m_selectedLanguage);
if (found != d->m_languages.end()) {
return index(std::distance(d->m_languages.begin(), found), 0, QModelIndex());
}
return QModelIndex();
return {};
}
QString TranslationsModel::selectedLanguage()
QString TranslationsModel::selectedLanguage() const
{
return d->m_selectedLanguage;
}
void TranslationsModel::downloadIndex()
{
if (d->m_index_job || d->m_dl_job) {
if (d->m_indexJob || d->m_downloadJob) {
return;
}
qDebug() << "Downloading Translations Index...";
d->m_index_job.reset(new NetJob("Translations Index", APPLICATION->network()));
MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "index_v2.json");
d->m_indexJob.reset(new NetJob("Translations Index", APPLICATION->network()));
const MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "index_v2.json");
entry->setStale(true);
auto task = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATION_FILES_URL + "index_v2.json"), entry);
d->m_index_task = task.get();
d->m_index_job->addNetAction(task);
d->m_index_job->setAskRetry(false);
connect(d->m_index_job.get(), &NetJob::failed, this, &TranslationsModel::indexFailed);
connect(d->m_index_job.get(), &NetJob::succeeded, this, &TranslationsModel::indexReceived);
d->m_index_job->start();
d->m_indexTask = task.get();
d->m_indexJob->addNetAction(task);
d->m_indexJob->setAskRetry(false);
connect(d->m_indexJob.get(), &NetJob::failed, this, &TranslationsModel::indexFailed);
connect(d->m_indexJob.get(), &NetJob::succeeded, this, &TranslationsModel::indexReceived);
d->m_indexJob->start();
}
void TranslationsModel::updateLanguage(QString key)
void TranslationsModel::updateLanguage(const QString& key)
{
if (key == defaultLangCode) {
if (key == g_defaultLangCode) {
qWarning() << "Cannot update builtin language" << key;
return;
}
@ -575,9 +578,9 @@ void TranslationsModel::updateLanguage(QString key)
}
}
void TranslationsModel::downloadTranslation(QString key)
void TranslationsModel::downloadTranslation(const QString& key)
{
if (d->m_dl_job) {
if (d->m_downloadJob) {
d->m_nextDownload = key;
return;
}
@ -588,21 +591,21 @@ void TranslationsModel::downloadTranslation(QString key)
}
d->m_downloadingTranslation = key;
MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "mmc_" + key + ".qm");
const MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "mmc_" + key + ".qm");
entry->setStale(true);
auto dl = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATION_FILES_URL + lang->file_name), entry);
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, lang->file_sha1));
dl->setProgress(dl->getProgress(), lang->file_size);
auto dl = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATION_FILES_URL + lang->fileName), entry);
dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, lang->fileSha1));
dl->setProgress(dl->getProgress(), lang->fileSize);
d->m_dl_job.reset(new NetJob("Translation for " + key, APPLICATION->network()));
d->m_dl_job->addNetAction(dl);
d->m_dl_job->setAskRetry(false);
d->m_downloadJob.reset(new NetJob("Translation for " + key, APPLICATION->network()));
d->m_downloadJob->addNetAction(dl);
d->m_downloadJob->setAskRetry(false);
connect(d->m_dl_job.get(), &NetJob::succeeded, this, &TranslationsModel::dlGood);
connect(d->m_dl_job.get(), &NetJob::failed, this, &TranslationsModel::dlFailed);
connect(d->m_downloadJob.get(), &NetJob::succeeded, this, &TranslationsModel::dlGood);
connect(d->m_downloadJob.get(), &NetJob::failed, this, &TranslationsModel::dlFailed);
d->m_dl_job->start();
d->m_downloadJob->start();
}
void TranslationsModel::downloadNext()
@ -613,10 +616,10 @@ void TranslationsModel::downloadNext()
}
}
void TranslationsModel::dlFailed(QString reason)
void TranslationsModel::dlFailed(const QString& reason)
{
qCritical() << "Translations Download Failed:" << reason;
d->m_dl_job.reset();
d->m_downloadJob.reset();
downloadNext();
}
@ -627,12 +630,12 @@ void TranslationsModel::dlGood()
if (d->m_downloadingTranslation == d->m_selectedLanguage) {
selectLanguage(d->m_selectedLanguage);
}
d->m_dl_job.reset();
d->m_downloadJob.reset();
downloadNext();
}
void TranslationsModel::indexFailed(QString reason)
void TranslationsModel::indexFailed(const QString& reason) const
{
qCritical() << "Translations Index Download Failed:" << reason;
d->m_index_job.reset();
d->m_indexJob.reset();
}

View file

@ -24,38 +24,38 @@ struct Language;
class TranslationsModel : public QAbstractListModel {
Q_OBJECT
public:
explicit TranslationsModel(QString path, QObject* parent = 0);
virtual ~TranslationsModel();
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
int rowCount(const QModelIndex& parent = QModelIndex()) const override;
int columnCount(const QModelIndex& parent) const override;
bool selectLanguage(QString key);
void updateLanguage(QString key);
QModelIndex selectedIndex();
QString selectedLanguage();
void downloadIndex();
void setUseSystemLocale(bool useSystemLocale);
private:
QList<Language>::Iterator findLanguage(const QString& key);
std::optional<Language> findLanguageAsOptional(const QString& key);
void reloadLocalFiles();
void downloadTranslation(QString key);
void downloadNext();
explicit TranslationsModel(const QString& path, QObject* parent = nullptr);
~TranslationsModel() override;
// hide copy constructor
TranslationsModel(const TranslationsModel&) = delete;
// hide assign op
TranslationsModel& operator=(const TranslationsModel&) = delete;
QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override; // NOLINT(*-default-arguments)
QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
int rowCount(const QModelIndex& parent = QModelIndex()) const override; // NOLINT(*-default-arguments)
bool selectLanguage(QString key) const;
void updateLanguage(const QString& key);
QModelIndex selectedIndex() const;
QString selectedLanguage() const;
void downloadIndex();
void setUseSystemLocale(bool useSystemLocale) const;
private:
int columnCount(const QModelIndex& parent) const override;
QList<Language>::Iterator findLanguage(const QString& key) const;
std::optional<Language> findLanguageAsOptional(const QString& key) const;
void reloadLocalFiles();
void downloadTranslation(const QString& key);
void downloadNext();
private slots:
void indexReceived();
void indexFailed(QString reason);
void dlFailed(QString reason);
void indexFailed(const QString& reason) const;
void dlFailed(const QString& reason);
void dlGood();
void translationDirChanged(const QString& path);