2010/10/26, Sven Barth <[email protected]>: > Am 26.10.2010 16:18, schrieb luciano de souza: >> IUP 2.x are not compatible with screen readers. The reason is the >> excessive usage of Canvas Draw. I did a large number of tests with IUP >> and Lua and I can assure IUP 3.1 and 3.2, the last version, are very >> good so in Linux as in Windows. For this reason, I would like to >> translate IUP 3.2. >> > > Ok, then I'll concentrate on IUP 3. > >> Yes, we can find lots of "define", but I find a problem seeming to be >> more complicated. >> >> See this declaration in C: >> >> ihandle* IupVbox(ihandle *child, ...) >> >> IupVbox is a vertical container wich can encompass several objects, so >> it's not possible to know how many arguments it will contain. > > Ok... you can translate this with FreePascal, but you must do it by hand > (so you need to comment (//...) the functions in the C header). > > Here's the translation (I herby assume that a type "Pihandle = ^ihandle" > and a constant "libiup='libiup.so'" are defined): > > Variant a: > > Declaration: > function IupVbox(child: Pihandle; args: array of const): Pihandle; > cdecl; external libiup; > > Calling: > IupVbox(Iuplabel("Label 1"), [hbox1, Nil]); > > Variant b: > > Declaration: > function IupVbox(child: Pihandle): Pihandle; cdecl; varargs; external > libiup; > > Calling: > IupVbox(Iuplabel("Label 1"), hbox1, Nil); > > The compiler won't do any checks on the arguments. > > See also: > http://www.freepascal.org/docs-html/ref/refsu74.html#x159-16600011.9.16 > > Regards, > Sven > _______________________________________________ > fpc-devel maillist - [email protected] > http://lists.freepascal.org/mailman/listinfo/fpc-devel >
-- Luciano de Souza _______________________________________________ fpc-devel maillist - [email protected] http://lists.freepascal.org/mailman/listinfo/fpc-devel
