question: public boolean fireMapMouseEntered ( MouseEvent evt ) { if ( DEBUG ) { logger . fine ( "MapMouseSupport: fireMapMouseEntered" ) ; } boolean consumed = false ; if ( proxy == null || evt . isShiftDown ( ) || ( proxyDistributionMask & PROXY_DISTRIB_MOUSE_ENTERED ) > 0 ) { evt = new MapMouseEvent ( getParentMode ( ) , evt ) ; for ( MapMouseListener listener : this ) { listener . mouseEntered ( evt ) ; consumed = true ; } } if ( proxy != null && ! evt . isShiftDown ( ) ) { proxy . mouseEntered ( evt ) ; consumed = true ; } return consumed ; }
target:  Handle a mouseEntered MouseListener event.