Sets whether or not updates will be enabled.
        
        :param      state | <bool>

def blockSignals(self, state):
        """
        Sets whether or not updates will be enabled.
        
        :param      state | <bool>
        """
        super(XGanttWidget, self).blockSignals(state)
        self.treeWidget().blockSignals(state)
        self.viewWidget().blockSignals(state)