SettingsWidgets.py 文件源码

def __init__(self, label, main_widget, alternative_widget=None):

        self.main_widget = main_widget
        self.alternative_widget = alternative_widget
        self.label = label
        self.stack = Gtk.Stack()
        self.stack.set_transition_type(Gtk.StackTransitionType.SLIDE_LEFT_RIGHT)
        self.stack.set_transition_duration(1000)

        self.stack.add_named(main_widget, "main_widget")
        if alternative_widget is not None:
            self.stack.add_named(self.alternative_widget, "alternative_widget")

        Gtk.ListBoxRow.__init__(self)

        hbox = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
        hbox.set_border_width(5)
        hbox.set_margin_left(20)
        hbox.set_margin_right(20)
        self.add(hbox)

        grid = Gtk.Grid()
        grid.set_column_spacing(15)
        hbox.pack_start(grid, True, True, 0)

        self.description_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        self.description_box.props.hexpand = True
        self.description_box.props.halign = Gtk.Align.START
        self.description_box.props.valign = Gtk.Align.CENTER
        self.label.props.xalign = 0.0
        self.description_box.add(self.label)

        grid.attach(self.description_box, 0, 0, 1, 1)
        grid.attach_next_to(self.stack, self.description_box, Gtk.PositionType.RIGHT, 1, 1)