Method onchange

editor/editor_widgets.py:991–994

(self, widget, new_value)

                     'input': self.numInput, 'meas': self.dropMeasureUnit})

    def onchange(self, widget, new_value):
        new_size = str(self.numInput.get_value()) + \
            str(self.dropMeasureUnit.get_value())
        self.on_attribute_changed(self, new_size)

    def set_value(self, value):
        """The value have to be in the form '10px' or '10%', so numeric value plus measure unit