gtk_list = None   # Gtk widget for station treeview
    gtk_cat = None    # Gtk widget for category columns
    ls = None         # ListStore for station treeview
    rowmap = None     # Preserve streams-datamap
    pix_entry = None  # ListStore entry that contains favicon
    img_resize = None  # Rescale `img` references to icon size
    fixed_size = [24,24]  # Default height+width for favicons
    parent = None     # reference to main window

    # mapping of stream{} data into gtk treeview/treestore representation
    datamap = [
       # coltitle   width	[ datasrc key, type, renderer, attrs ]	[cellrenderer2], ...
       ["",		20,	["state",	str,  "pixbuf",	{}],	],
       ["Genre",	65,	['genre',	str,	"t",	{}],	],
       ["Station Title",275,	["title",	str,    "text",	{"strikethrough":11, "cell-background":12, "cell-background-set":13}],  ["favicon", gtk.gdk.Pixbuf, "pixbuf", {}], ],

    # Return ListStore object and Iterator for currently selected row in gtk.TreeView station list
    def model_iter(self):
        return self.gtk_list.get_selection().get_selected()

    # Currently selected entry in stations list, return complete data dict
    def row(self):
        no = self.rowno()
        ls = self.stations()
        row = self.stations() [ self.rowno() ]
        row = ls[no]
        # resolve stream url for some plugins
        if row["url"].startswith("urn:"):
            row = action.resolve_urn(row)
        if row.get("url", "urn:x-streamtuner2:no").startswith("urn:"):
            self.status("Resolving actual stream URL for `%s`" % row["url"], timeout=2)
            action.resolve_urn(row)
            ls[no] = row
        return row
        
    # Fetches a single varname from currently selected station entry
    def selected(self, name="url"):
        return self.row().get(name)
    
    # Inject status icon into currently selected row (used by main.bookmark() call)