Method include

src/openms_gui/source/VISUAL/TOPPASScene.cpp:1140–1252

  }

  void TOPPASScene::include(TOPPASScene* tmp_scene, QPointF pos)
  {
    qreal x_offset, y_offset;
    if (pos == QPointF()) // pasted via Ctrl-V (no mouse position given)
    {
      x_offset = 30.0; // move just a tad (in relation to old content)
      y_offset = 30.0;
    }
    else
    {
      QRectF new_bounding_rect = tmp_scene->itemsBoundingRect();
      x_offset = pos.x() - new_bounding_rect.left();
      y_offset = pos.y() - new_bounding_rect.top();
    }
    std::map<TOPPASVertex*, TOPPASVertex*> vertex_map;

    for (VertexIterator it = tmp_scene->verticesBegin(); it != tmp_scene->verticesEnd(); ++it)
    {
      TOPPASVertex* v = *it;
      TOPPASVertex* new_v = nullptr;

      TOPPASInputFileListVertex* iflv = qobject_cast<TOPPASInputFileListVertex*>(v);
      if (iflv)
      {
        TOPPASInputFileListVertex* new_iflv = new TOPPASInputFileListVertex(*iflv);
        new_v = new_iflv;
      }

      TOPPASOutputFileListVertex* oflv = qobject_cast<TOPPASOutputFileListVertex*>(v);
      if (oflv)
      {
        TOPPASOutputFileListVertex* new_oflv = new TOPPASOutputFileListVertex(*oflv);
        new_v = new_oflv;

        connectOutputVertexSignals(new_oflv);
      }

      TOPPASToolVertex* tv = qobject_cast<TOPPASToolVertex*>(v);
      if (tv)
      {
        TOPPASToolVertex* new_tv = new TOPPASToolVertex(*tv);
        new_v = new_tv;

        connectToolVertexSignals(new_tv);
      }

      TOPPASMergerVertex* mv = qobject_cast<TOPPASMergerVertex*>(v);
      if (mv)
      {
        TOPPASMergerVertex* new_mv = new TOPPASMergerVertex(*mv);
        new_v = new_mv;

        connectMergerVertexSignals(new_mv);
      }

      TOPPASSplitterVertex* sv = qobject_cast<TOPPASSplitterVertex*>(v);
      if (sv)
      {