Dragging graphics around

[Fabio Rotondo <mlists rotondo it>]

Hi,

I need to do the following: I'd like to write an app which should 
display graphics (ie. icons) on a GtkDrawingArea that the user should be 
able to "drag around" the area (not on the "real" desktop, just on my 
GtkDrawingArea).
What I need to know which events should I intercept (and where) and how 
to drag images around without trashing graphics below it.

Any hint?

Thank you in advance.

--
Ciao,
     Fabio
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