On 11/19/20 7:02 PM, Tim Meehan wrote:
I figured that I would try and do something simple-ish to see how well I
understood the FFI. I found this GTK tutorial, written in Chez Scheme:
https://github.com/jhidding/lyonesse/blob/master/gtk-tutorial/window.scm
I just tried to replace the Chez FFI calls with Guile FFI calls.
I'm not sure how to tell GTK about a callback that is written in Guile.
I'm not sure how to pass a string to GTK ...
Cheers,
;; HELP: This obviously won't work.
;; How would I give GTK a Guile callback?
(define (callback p)
(let ([code (foreign-callable p (iptr iptr) void)])
(lock-object code)
(foreign-callable-entry-point code)))
try reading the manual section on procedure->pointer
