accounts.py 文件源码

def navigate(self, *args):
        """
            Keyboard Listener handling
        """
        keyname = Gdk.keyval_name(args[2]).lower()
        if not settings.get_is_locked():
            count = len(self.get_children())
            dx = -1 if keyname == "up" else 1
            selected_row = self.get_selected_row()
            if selected_row is not None:
                index = selected_row.get_index()
                new_index = (index + dx) % count
                self.select_row(self.get_row_at_index(new_index))
                return True
        return False