GUI backend

[Matthew Hipkin]

Hi

Is it possible to create a backend for CUPS that has a GUI? For testing I
tried modifying the pdf distiller backend to invoke a test application, the
modified script ran as it usually does, it didn't invoke the test app (I
coded various log functions which were never called) but still returned
exitcode 0.

Any pointers would be appreciated, I'm running CUPS 1.2.12 on Fedora 7.

Thanks in advance

Matthew