QGraphicsScene drag enter event? you can grab direct from QGraphicsitem
on bool TextLayer::sceneEvent(QEvent *event)


Qt Code: 
  1. /* TextLayer like QGraphicsTextItem  */
  2. bool TextLayer::sceneEvent(QEvent *event)
  3. {
  4.     /* drag here */
  5.     if ( event->type() == QEvent::GraphicsSceneDrop) {
  6.         mount->txtControl()->processevent(event);
  7.         return true;
  8.     } else if (event->type() == QEvent::GraphicsSceneDragMove ) {
  9.        /*  QGraphicsSceneDragDropEvent *e = static_cast<QGraphicsSceneDragDropEvent *>(event); */
  10.  
  11.     } else if (event->type() == QEvent::DragEnter ) {
  12.   /*
  13.  
  14.  
  15. */
  16.     }
  17.     return QGraphicsItem::sceneEvent(event);
  18. }
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source on:
http://www.qt-apps.org/content/show....?content=80234