threads in gnome with c++

[Danny Van Elsen <danny_van_elsen village uunet be>]

hello...

I was wondering: I am coding a c++ project where the text for a
Gtk::TextView comes from a lengthy calculation. So my first idea is to
separate the calculation in a thread, and then  communicate with the
Gtk::TextView  through the thread.

Can anyone point me to example code? There must be a project within
gnome that is already doing this?

greetings, Danny.