How to communicate btw QGraphicsScene and QTreeWidget

[scascio]

a QGraphicsItem is not a QObject. So no way to define and connect slots

You have to write your own item derived both from QObject and QGraphicsItem.
Note that QObject must be the first derived object, in order to let the macro Q_OBJECT work well.

class MyItem : public QObject, public QgraphicsItem {
 Q_OBJECT
  //then you can define slots ready to be connected
  public slots:
     void mySlot();
};

class MyItem : public QObject, public QgraphicsItem {
 Q_OBJECT
  //then you can define slots ready to be connected
  public slots:
     void mySlot();
};

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