Gtk2 (perl module)

Perl bindings to the 2.x series of the Gtk+ graphical user   
interface library. 

In order to build it from source, you'll also need
  Glib >= 1.140 (Perl module, perl-glib)
  Cairo >= 1.00 (Perl module, perl-cairo)
  ExtUtils::Depends >= 0.2 (perl-extutils-depends)
  ExtUtils::PkgConfig >= 1.03 (perl-extutils-pkgconfig)
All of these are also available from SlackBuilds.org.