submenus.py 文件源码

def __init__(self, mainWindow):
        super().__init__(mainWindow, "root note is the cursor position")
        l = [("[{}] {}".format(num+1, modeString.title()), lambda r, modeString=modeString: api.insertCursorCommonKeySignature(modeString)) for num, modeString in enumerate(api.commonKeySignaturesAsList())]

        for number, (prettyname, function) in enumerate(l):
            button = QtWidgets.QPushButton(prettyname)
            button.setShortcut(QtGui.QKeySequence(str(number+1)))
            self.layout.addWidget(button)
            button.clicked.connect(function)
            button.clicked.connect(self.done)