On Thu, 11 Mar 2010 12:56:19 -0500, DJ Delorie wrote:
All key bindings are user-controllable via the ~/.pcb/pcb-menu.res
(lesstif) or ~/.pcb/gpcb-menu.res files.
cite pcb/src/gpcb-menu.res :
/--------------------
# NOTE:  I have not figured out what to do with this
# section yet.  The Mouse section is currently ignored until
# I figure out how to handle it.
\--------------------
So, no joy for the default configuration of pcb, that is, GTK HID. 
By the way, who is the "I" referred to in the comment?