uikit.in_idle = False
        return len(uikit.idle_tasks) > 0
        


    # adds background color to widget,
    # eventually wraps it into a gtk.Window, if it needs a container
    # Adds background color to widget,
    # eventually wraps it into a gtk.EventBox, if it needs a container
    @staticmethod
    def bg(w, color="", where=["bg"], wrap=1):
        """ this method should be called after widget creation, and before .add()ing it to container """
        if color:
            # wrap unstylable widgets into EventBox
            if wrap and not isinstance(w, (gtk.Window, gtk.EventBox)):
                wrap = gtk.EventBox()
                wrap.add(w)
                ##########wrap.set_property("visible", True)
                w = wrap
            # copy style object, modify settings
            s = w.get_style().copy()
            c = w.get_colormap().alloc_color(color)
            try: # Gtk2
                c = w.get_colormap().alloc_color(color)
            except: # Gtk3
                p, c = gtk.gdk.Color.parse(color)
            for state in (gtk.STATE_NORMAL, gtk.STATE_SELECTED, gtk.STATE_ACTIVE):
                s.bg[state] = c
            w.set_style(s)
            # probably redundant, but better safe than sorry:
            w.modify_bg(gtk.STATE_NORMAL, c)
                w.modify_bg(state, c)
        # return modified or wrapped widget
        return w


    # Create GtkLabel