Method start

pj_widgets/src/RasterStreamView.cpp:29–59

}

void RasterStreamView::start(const QString& helper_path, const QString& wad_path) {
  if (helper_path.isEmpty() || wad_path.isEmpty()) {
    endSession();
    return;
  }
  const QString unique = QUuid::createUuid().toString(QUuid::Id128);
  const QString shm_key = QStringLiteral("pjr-shm-") + unique;
  const QString sock_name = QStringLiteral("pjr-sock-") + unique;

  shm_ = new QSharedMemory(shm_key, this);
  const int total = static_cast<int>(pj_raster::shmTotalSize(kWidth, kHeight, pj_raster::kBytesPerPixel));
  if (!shm_->create(total)) {
    endSession();
    return;
  }

  server_ = new QLocalServer(this);
  connect(server_, &QLocalServer::newConnection, this, &RasterStreamView::onHelperConnected);
  QLocalServer::removeServer(sock_name);
  if (!server_->listen(sock_name)) {
    endSession();
    return;
  }

  process_ = new QProcess(this);
  connect(process_, &QProcess::finished, this, [this](int, QProcess::ExitStatus) { endSession(); });
  connect(process_, &QProcess::errorOccurred, this, [this](QProcess::ProcessError) { endSession(); });
  process_->start(
      helper_path,
      {QStringLiteral("--shm"), shm_key, QStringLiteral("--sock"), sock_name, QStringLiteral("--wad"), wad_path});
}

void RasterStreamView::setKeyTranslator(std::function<int(int)> translator) {
  key_translator_ = translator ? std::move(translator) : std::function<int(int)>([](int key) { return key; });