WidgetGroup.py 文件源码

def addWidget(self, w, name=None, scale=None):
        if not self.acceptsType(w):
            raise Exception("Widget type %s not supported by WidgetGroup" % type(w))
        if name is None:
            name = str(w.objectName())
        if name == '':
            raise Exception("Cannot add widget '%s' without a name." % str(w))
        self.widgetList[w] = name
        self.scales[w] = scale
        self.readWidget(w)

        if type(w) in WidgetGroup.classes:
            signal = WidgetGroup.classes[type(w)][0]
        else:
            signal = w.widgetGroupInterface()[0]

        if signal is not None:
            if inspect.isfunction(signal) or inspect.ismethod(signal):
                signal = signal(w)
            signal.connect(self.mkChangeCallback(w))
        else:
            self.uncachedWidgets[w] = None