$.ui.widget.subclass(‘ui.superwidget’,
{
_init: function()
{
// can’t catch this
this._trigger(‘anevent’);

// can catch this
this.element.trigger(‘superwidgetanevent’);
}
});

And creation and binding:
$(‘#test’).bind(‘superwidgetanevent’, function()
{
console.log(‘an event happened’)
});
$(‘#test’).superwidget();