drag and drop with canvas

[Joel Uckelman <uckelman nomic net>]

I'm working on an application that uses multiple GnomeCanvases, each with 
its own window, and each containing some GnomeCanvasItems that can be moved 
about within their respective canvasses. What I'd like to be able to do is 
drag items from one canvas/window to another canvas/window. I gather that I 
can't use the Gtk drag and drop callbacks because the things I want to move 
are not themselves widgets. I also don't see any built-in way to "reparent" 
a canvas item to another canvas.

So, does anyone have an idea how I might be able to pull this off?

Thanks.

-- 
J.