2011/3/31 Diogo F. S. Ramos diogofsr@gmail.com
Hello, I am a really gambit newbie and I was toying with the idea of creating a GUI application with gambit. Is there some GUI library? By that I mean a widget collection library like GTK+ or QT.You can check Jazz Scheme, it's based on Gambit, multiplatform, and has a GUI library.
As regards GTK or QT, you plug them in via the FFI. You can both make calls to C and get callbacks from C using it. Check in the Dumping grounds on the wiki if there's any FFI integration for them, alternatively take inspiration from one that already exists for another Scheme implementation while implementing your own for Gambit.
Nice.
I took you suggestion and went to Dumping Grounds. There I found a cairo binding that inspired me. :)
AFAICS it generates bindings from the C functions directly to gambit and creates a loadable object. It is really nice and it is very different from what I was trying to do.
What I had in mind was using a main C program for the GUI and to use gambit like an extension. Just like the server/client example, actually. Although I must say that I didn't went too far as I keep getting a 'undefined reference to `____20_server__'' linker error. And I didn't quite find a place where it's describe what functions have to be called to initiate the gambit library.
I also tried to create a shared library and link it against an ordinary C program but I kept getting seg faults. I guess I need to initiate the gambit library from the C program.
But nevertheless, the way cairo's binding does it seems really cool. Thank you.