@staticmethod
    def do(callback, *args, **kwargs):
        name = inspect.getsource(callback).strip() if callback.__name__=='<lambda>' else str(callback)
        if kwargs.get("immediate"):
            del kwargs["immediate"]
            pos = 0
        else:
            pos = len(uikit.idle_tasks)
        # Run callback right away
        if uikit.in_idle or conf.nothreads:
            log.UIKIT_RUN_NOW(name)
            callback(*args, **kwargs)
        # Spool them for Gtk idle handling
        else:
            log.UIKIT_SPOOL(name)

#-- Gtk3 wrappers

# Use a str of "1:2:3" as treepath,
# literally in Gtk2, TreePath-wrapped for Gtk3
def treepath(ls):
    if isinstance(ls, (list,tuple)):
        ls = ":".join(map(str, ls))
    if ver==2:
        return ls
    else:
        return gtk.TreePath.new_from_string(str(ls))
#
def treepath_to_str(tp):
    if ver==2:
        return tp
    else: