private boolean mousePressedImpl(MouseEvent me){
  component=(JComponent)me.getSource();
  if (mapDragOperationFromModifiers(me,component.getTransferHandler()) != TransferHandler.NONE) {
    motionThreshold=DragSource.getDragThreshold();
    dndArmedEvent=me;
    return true;
  }
  clearState();
  return false;
}

private boolean mousePressedImpl ( MouseEvent me ) { component = ( JComponent ) me . getSource ( ) ; if ( mapDragOperationFromModifiers ( me , component . getTransferHandler ( ) ) != TransferHandler . NONE ) { motionThreshold = DragSource . getDragThreshold ( ) ; dndArmedEvent = me ; return true ; } clearState ( ) ; return false ; }
returns whether or not the event is potentially part of a drag sequence .
