#include "ItemGroup.h"#include "Utils.h"#include "Context.h"#include "ItemModelObservable.h"#include "ItemController.h"#include "../../../color/RGBAColor.h"#include "../../../../qt/widgets/Utils.h"#include "../../../../geometry/Envelope.h"#include "../../../../common/STLUtils.h"#include "AbstractScene.h"#include "ItemObserver.h"#include <QGraphicsSceneMouseEvent>#include <QStyleOptionGraphicsItem>