function __construct($pesquisar)
{
parent::__construct(' Filtro ');
$this->set_expanded(true);
$this->add($hbox = new GtkHBox());
$hbox->pack_start($this->vbox = new GtkVBox());
$this->vbox->pack_start(new GtkEventBox());
$hbox->pack_start($vbox = new GtkVBox(), false);
// pesquisar
$vbox->pack_start($this->localizar = GtkButton::new_from_stock('gtk-find'), false);
$this->localizar->connect('clicked', $pesquisar);
// restaurar
$vbox->pack_start($this->limpar = GtkButton::new_from_stock('gtk-clear'), false);
$this->limpar->connect('clicked', array($this, 'restaurar'));
// fill empty space
$vbox->pack_start(new GtkEventBox());
$this->show_all();
}
