nodeeditor/examples/headless/main.cpp

#include <nodes/DataFlowModel>
#include <nodes/Node>

#include "models.hpp"

using QtNodes::DataModelRegistry;
using QtNodes::DataFlowModel;

static std::shared_ptr<DataModelRegistry>
registerDataModels()
{
  auto ret = std::make_shared<DataModelRegistry>();

  ret->registerModel<Source>();
  ret->registerModel<Sink>();

  return ret;
}

int
main()
{
  DataFlowModel model(registerDataModels());

  auto source = model.nodeIndex(model.addNode("Source", {0, 0}));
  auto sink = model.nodeIndex(model.addNode("Sink", {10, 0}));

  model.addConnection(source, 0, sink, 0);

  Q_ASSERT(static_cast<Sink*>(model.nodes()[sink.id()]->nodeDataModel())->data == "Hello World!");
}