selecttool.py 文件源码

def setupToolButtonExtra(self):
        self.menu = QtGui.QMenu()
        self.ag = QtGui.QActionGroup(self.menu)

        for n in valid_select:
            a1 = QtGui.QAction(select_names[n], self.menu)
            def closure(n):
                def fn():
                    self.__set_version(n)
                    self.toolButton.click()
                return fn

            a1.triggered.connect(closure(n))

            self.menu.addAction(a1)
            self.ag.addAction(a1)

        self.toolButton.setMenu(self.menu)
        self.__update_icon()