panel_widget.py 文件源码

def __init__(self, cid, pid, name, cat_name, prices, percentage=None):
        QtWidgets.QComboBox.__init__(self)
        BaseProduct.__init__(self, cid, pid, name, cat_name, prices)
        self.product_view = QtWidgets.QListWidget()
        self.product_view.wheelEvent = self.on_wheel
        self.setModel(self.product_view.model())
        self.widgets = []
        self.call = None
        self.should_accept_adding_products = False

        self.name_item = QtWidgets.QListWidgetItem("")
        self.name_layout = QtWidgets.QHBoxLayout()
        self.setLayout(self.name_layout)

        if percentage:
            self.name_label = QtWidgets.QLabel(f"{name} <span style=\"color: red; font-size: 7px\">{percentage} °</span>", self)
        else:
            self.name_label = QtWidgets.QLabel(name)
        self.name_label.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
        self.name_layout.addWidget(self.name_label)

        self.product_view.addItem(self.name_item)
        for price in prices:
            widget = QtWidgets.QListWidgetItem(price)
            widget.setTextAlignment(QtCore.Qt.AlignHCenter |
                QtCore.Qt.AlignVCenter)
            widget.setSizeHint(QtCore.QSize(100, 35))
            self.product_view.addItem(widget)

        self.setView(self.product_view)
        self.activated.connect(self.callback)
        self.product_view.pressed.connect(self.on_click)