history_item_view.py 文件源码

def __init__(self, item):
        super().__init__()

        self.set_name('LinksButton')
        self.set_label('%i links' % len(item.links))
        self.set_halign(Gtk.Align.START)
        self.set_valign(Gtk.Align.END)
        self.set_margin_left(5)
        self.set_margin_bottom(5)
        self.connect('activate-link', self._on_activate_link)

        style_context = self.get_style_context()
        style_context.remove_class('text-button')
        style_context.remove_class('button')

        self._weakref = weakref.ref(item)

        self._box = Gtk.Box()
        self._box.set_orientation(Gtk.Orientation.VERTICAL)

        height_request = 300
        if len(self.item.links) <= 5: height_request = 150
        scrolled_window = Gtk.ScrolledWindow()
        scrolled_window.set_policy(
            Gtk.PolicyType.NEVER,
            Gtk.PolicyType.AUTOMATIC
        )
        scrolled_window.set_size_request(300, height_request)
        scrolled_window.add(self._box)
        scrolled_window.show_all()

        self._popover = Gtk.Popover()
        self._popover.set_relative_to(self)
        self._popover.add(scrolled_window)

        self.populate()