#-- Save-As dialog
    #
    @staticmethod
    def save_file(title="Save As", parent=None, fn="", formats=[("*.pls", "*.pls"), ("*.xspf", "*.xpsf"), ("*.m3u", "*.m3u"), ("*.jspf", "*.jspf"), ("*.asx", "*.asx"), ("*.json", "*.json"), ("*.smil", "*.smil"), ("*.wpl", "*.wpl"), ("*","*")]):


        c = gtk.FileChooserDialog(title, parent, action=gtk.FILE_CHOOSER_ACTION_SAVE, buttons=(gtk.STOCK_CANCEL, 0, gtk.STOCK_SAVE, 1))



        # params
        if fn:
            c.set_current_name(fn)
            fn = ""
        for fname,ftype in formats:
            f = gtk.FileFilter()
            f.set_name(fname)
            f.add_pattern(ftype)
            c.add_filter(f)



        # display
        if c.run():
            fn = c.get_filename()  # return filaname
        c.destroy()
        # check if selected file exists, ask for confirmation
        if os.path.exists(fn):
            if uikit.msg("Overwrite existing file '%s' ?" % fn, gtk.MESSAGE_WARNING, gtk.BUTTONS_OK_CANCEL, yes=1):
                return fn
            else:
                return None
        else:
            return fn
    
    
    
    # pass updates from another thread, ensures that it is called just once
    @staticmethod
    def do(lambda_func):
        gobject.idle_add(lambda: lambda_func() and False)

    # manual signal binding with a dict of { (widget, signal): callback }
    @staticmethod
    def add_signals(builder, map):
        for (widget,signal),func in map.items():
            builder.get_widget(widget).connect(signal, func)

        
    # Pixbug loader (from inline string, as in `logo.png`)
    @staticmethod
    def pixbuf(buf, fmt="png", decode=True, gzip=False):
        if not buf or len(buf) < 16:
            return None
        if fmt and ver==3:
            p = GdkPixbuf.PixbufLoader.new_with_type(fmt)
        elif fmt: