#include "SceneInPortItem.hxx"#include "SceneOutPortItem.hxx"#include "SceneNodeItem.hxx"#include "ItemMimeData.hxx"#include "Menus.hxx"#include "Message.hxx"#include "QtGuiContext.hxx"#include <QGraphicsSceneDragDropEvent>#include "Resource.hxx"#include "YacsTrace.hxx"