Method beginProgressiveLayoutRestore

pj_app/src/MainWindow.cpp:2879–2921

}

void MainWindow::beginProgressiveLayoutRestore(QDomDocument doc, const QString& path) {
  cancelProgressiveLayoutRestore();
  progressive_layout_in_flight_ = true;

  bool applied = false;
  {
    QScopedValueRollback guard(applying_state_, true);
    const QDomElement root = doc.documentElement();
    restoreDataProcessors(root);
    // rebindCurvesToLoadedDatasets rewrites doc in place; its unresolved-paths return is
    // not needed here — the progressive binder reports unresolved curves at drain.
    static_cast<void>(rebindCurvesToLoadedDatasets(doc));
    if (xmlLoadState(doc)) {
      QHash<QString, PlotWidget*> plots_by_state_id;
      forEachPlot([&plots_by_state_id](PlotWidget* plot) {
        if (!plot->stateId().isEmpty()) {
          plots_by_state_id.insert(plot->stateId(), plot);
        }
      });
      pending_binder_->collect(doc, plots_by_state_id);
      restoreChromeAndPanels(doc, path);
      broadcastTrackerTime(toAxisDouble(session_->playbackEngine().currentTime()));
      applied = true;
    }
  }

  if (!applied) {
    cancelProgressiveLayoutRestore();
    MessageBox::warning(this, tr("Load Layout"), tr("Layout was parsed but could not be applied."));
    return;
  }

  pending_items_added_conn_ = connect(
      &session_->catalogModel(), &CatalogModel::itemsAdded, this, [this](const std::vector<CatalogItem>& items) {
        flushPendingCurveBindings(items);
        retryPendingSceneRestores(items);
      });
  pending_queue_drained_conn_ = connect(
      file_loader_.get(), &FileLoader::queueDrained, this, &MainWindow::onProgressiveLayoutDrained,
      Qt::SingleShotConnection);
  flushPendingCurveBindings({});
  retryPendingSceneRestores({});
}

void MainWindow::cancelProgressiveLayoutRestore() {
  QObject::disconnect(pending_items_added_conn_);