feed.py 文件源码

def _build_confirm_changes_button(self, label=None, on_signal="clicked",
                                      callback=None):
        """
        Build a confirmation button used in every side bar menus.
        This button triggers interaction with the backend in case of settings
        changes. Otherwise it stays insensitive.
        """
        if not label:
            label = "Confirm"
        button = Gtk.Button(label)
        button.set_sensitive(False)
        button.set_margin_top(12)
        if callback:
            button.connect(on_signal, callback)

        return button