# constructor
    def __init__(self):
        
        # Load stylesheet, instantiate GtkBuilder in self, menu and logo hooks
        gui_startup(0/20.0), uikit.load_theme(conf.get("theme"))
        gui_startup(1/20.0), gtk.Builder.__init__(self)
        gui_startup(1/20.0), gtk.Builder.add_from_string(self, ui_xml)
        gui_startup(3/20.0), self.extensionsCTM.set_submenu(self.extensions)  # duplicates Station>Extension menu into stream context menu
        self.img_logo.set_from_pixbuf(uikit.pixbuf(logo.png))

        # initialize built-in plugins
        self.channels = {
          "bookmarks": channels.bookmarks.bookmarks(parent=self),   # this the remaining built-in channel
        }
        # dialogs that are connected to main
        self.features = {

            "streamedit_save": self.streamedit.save,
            "streamedit_new": self.streamedit.new,
            "streamedit_cancel": self.streamedit.cancel,
        }, **self.add_signals))
        
        # actually display main window
        self.win_streamtuner2.show_all()
        gui_startup(1.0)
        

    #-- Shortcut for glade.get_widget()
    # Allows access to widgets as direct attributes instead of using .get_widget()
    # Also looks in self.channels[] for the named channel plugins
    def __getattr__(self, name):
        if (name in self.channels):
            return self.channels[name]     # like self.shoutcast

        sbar_cid = self.get_widget("statusbar").get_context_id("messages")
        # remove text
        while ((not text) and (type(text)==str) and len(sbar_msg)):
            sbar_msg.pop()
            uikit.do(lambda:self.statusbar.pop(sbar_cid))
        # progressbar
        if (type(text)==float):
            if (text >= 999.0/1000):  # completed
                uikit.do(lambda:self.progress.hide())
            else:  # show percentage
                uikit.do(lambda:self.progress.show_all() or self.progress.set_fraction(text))
                if (text <= 0):  # unknown state
                    uikit.do(lambda:self.progress.pulse())
        # add text
        elif (type(text)==str):

            
            # load plugin
            try:
                plugin = __import__("channels."+module, globals(), None, [""])
                #print [name for name,c in inspect.getmembers(plugin) if inspect.isclass(c)]
                plugin_class = plugin.__dict__[module]
                plugin_obj = plugin_class(parent=self)
                
                # load .config settings from plugin
                conf.add_plugin_defaults(plugin_obj.meta["config"], module)

                # add and initialize channel
                if issubclass(plugin_class, channels.GenericChannel):
                    self.channels[module] = plugin_obj
                    if module not in self.channel_names:  # skip (glade) built-in channels
                        self.channel_names.append(module)
                # other plugin types
                else:
                    self.features[module] = plugin_obj
                
            except Exception as e:
                __print__(dbg.INIT, "load_plugin_channels: error initializing:", module, ", exception:")
                traceback.print_exc()

        # default plugins
        conf.add_plugin_defaults(self.channels["bookmarks"].config, "bookmarks")


    # store window/widget states (sizes, selections, etc.)
    def app_state(self, widget):
        # gtk widget states
        widgetnames = ["win_streamtuner2", "toolbar", "notebook_channels", ] \
                    + [id+"_list" for id in self.channel_names] \
                    + [id+"_cat" for id in self.channel_names]