Hi,
It is OK to use that. Actually they were designed to help bindings and
development environments.
They were created after the Lua bindings, so We don't use yet, but I
intend to use them in the future, specially for the callbacks.
Best,
Scuri
Em ter, 23 de out de 2018 às 13:50, Matthew Kennedy <burnsid...@gmail.com>
escreveu:
> I'm attempting to build a pleasant FFI binding to IUP for Common Lisp.
> I think I can create macros to create functions for controls that have
> the IUP attribute and callback names as Lisp keyword arguments, which
> would be great, because in a Lisp environment, keyword args can be
> displayed and auto-completed etc. e.g. a button create would look like
> this:
>
> (iup:button :title "Press This" :action (callback (handle)
> iup:+iup-default+)
>
> My first attempt was mostly manual, but I've since discovered I can
> get a lot of metadata from IUP itself. e.g. (in pseudo C-ish)
>
> class = iupRegisterFindClass("button");
> table = class->attrib_func;
> for (attrib = iupTableFirst(table); attrib != NULL; attrib =
> iupTableNext(table) {
> iupClassRegisterGetAttribute(class, attrib, get, set,
> default_value, default, system, flag);
> ...
> }
>
> I can use this approach to generate the Lisp bindings with IUP
> class-specific attribute keyword argument lists, defaults values, and
> even correctly defined callbacks using the information in the
> default_value field for callback attributes (e.g. "iiiis" for
> BUTTON_CB).
>
> However, I'm concerned that I'm starting to depend on IUP internals
> (e.g. with ITable's fields).
>
> Is it unwise to build an FFI binding based on knowing about ITable to
> get the attributes for a class? It doesn't seem to be documented as
> part of the Internal IUP SDK which lead me to ask here.
>
> Matt
>
>
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> Iup-users@lists.sourceforge.net
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>
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