I wrote:

I wrote:
 > Jim Wilson wrote:
 > > How hard would it be to have a property that toggles hotspot
 > > visibility?  It'd be nice to be able to turn it on and have yellow
 > > rectangles show up on the hotspots...
 >
 > That's not a bad idea.

It's actually an astoundingly good idea, and implementable over lunch
to boot. :)

Try the attached patch, which predicates the boxes on the
/sim/panel-hotspots property.  I mapped a toggle event on this to a
spare joystick button, and had fun. :)

[dpm: bound to Ctrl-C]