Subject: wrapping primitives in cecil
From: Thorsten Seitz (thorsten.seitz@ngi.de)
Date: Wed Mar 27 2002 - 11:23:38 PST
Hi,
I'm trying to write a small GUI library in Cecil. The library shall use
GTK+ (a GUI library written in C) internally.
Now comes the big question: how can I wrap a GTK+ primitive object in a
Cecil object?
I'd like to do something like:
object Widget;
field gtk (w@widget);
show (w@widget) { prim c_++: "gtk_widget_show (w.gtk);"; }
object Window;
new_window (w@int, h@int): Window {
object isa Window { gtk := prim c_++: "gtk_window_new (w, h);"; }
}
This was probably too naive, for it won't work :-)
The problem in "show" seems to be that w.gtk is not known on the
primitive level and in "new_window" that the return value is not
correct.
What would be the correct way to do something like this? I tried to find
out by looking at the source of motif.cecil, file.cecil etc. but didn't
come very far.
Thanks for any help!
Best regards
Thorsten
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