docs: def mouseReleaseEvent( self, event ):
          """
          Overloads the mouse release event to ignore the event when the \
          scene is in view mode, and release the selection block signal.
           
           :param     event   <QMouseReleaseEvent>
          """
          event.setAccepted(False)
          if self._hotspotPressed:
              event.accept()
              self._hotspotPressed = False
              return
          
          # ignore events when the scene is in view mode
          scene = self.scene()
          if ( self.isLocked() or self._ignoreMouseEvents or \
               (scene and (scene.inViewMode() or scene.isConnecting()))):
              event.ignore()
              self._ignoreMouseEvents = False
              return
          
          super(XNode, self).mouseReleaseEvent(event)
          
          # emit the geometry changed signal
          self.emitGeometryChanged()
          
          # unblock the selection signals
          if ( scene ):
              scene.blockSelectionSignals(False)
              
              delta = datetime.datetime.now() - self._pressTime
              if not scene.signalsBlocked() and delta.seconds < 1:
                  scene.nodeClicked.emit(self)