从qComboBoxd出菜单中捕捉按下鼠标按钮的信号

您需要将处理程序连接到pressedsignal梳子o’s
view:

    self.ui.comboBox.view().pressed.connect(self.handleItemPressed)    ...    def handleItemPressed(self, index):        item = self.ui.comboBox.model().itemFromIndex(index)        if item.checkState() == QtCore.Qt.Checked: item.setCheckState(QtCore.Qt.Unchecked)        else: item.setCheckState(QtCore.Qt.Checked)