docs: def setFixedWidth(self, width):
          """
          Sets the maximum width value to the inputed width and emits the \
          sizeConstraintChanged signal.
          
          :param      width | <int>
          """
          super(XView, self).setFixedWidth(width)
          
          if ( not self.signalsBlocked() ):
              self.sizeConstraintChanged.emit()