#include "GraphicsView.hxx"#include "SchemaModel.hxx"#include "SceneItem.hxx"#include "SceneTextItem.hxx"#include "Scene.hxx"#include "QtGuiContext.hxx"#include "guiObservers.hxx"#include <cmath>#include <QMenu>#include <QGraphicsView>#include <QWheelEvent>#include "YacsTrace.hxx"