Binary package “gir1.2-gtk-3.0” in ubuntu quantal
GTK+ graphical user interface library -- gir bindings
GTK+ is a multi-platform toolkit for creating graphical user
interfaces. Offering a complete set of widgets, GTK+ is suitable
for projects ranging from small one-off tools to complete application
This package can be used by other packages using the GIRepository format to
generate dynamic bindings.