> FLTK is tiny(and fast) I am hoping that if I stick to the smallest
> possible subset of C++ then I will be able to handle it's
> native API and
> if I want to "look under the hood" then the small code base
> would make
> this a reasonable thing to do.
>
> Could anyone please correct or add to the following:
>
> Some C++ features are already not used:
> templates, exceptions, RTTI, namespaces
Fltk uses a fairly simple subset of C++ internally, to aid portability.
(You can, of course, use as much or as little C++ as you like in your
own code using fltk...)
Versions of fltk from the 1.x series (I suggest you use 1.3.0 for now)
do not use namespaces (though note that fltk2 does, and fltk3 probably
will...) templates, exceptions or RTTI.
It's possible to write code that looks just like C in C++, of course,
and that does tend to be the most portable subset...
> We call functions from classes:
> return(Fl::run())
Not quite sure what you are stating/asking here, can you clarify?
Being pedantic, I'd say that classes do not have "functions" they have
"methods", though the distinction is not important here ("functions"
would be just like C functions, not a member of any class, in general.
You can write C-style functions in C++, and they behave much as you'd
expect.)
> I don't really know much about the standard library, friend
> functions,
> overloading and exceptions but should I care? If I understand the C++
> subset that deals with the above code am I pretty much ready
> good to go?
You don't need to know about exceptions for fltk.
Overloading is probably not too important though might come in handy
down the line.
You may need to learn about friend classes at some point, though
probably not initially.
You will need to learn about inheritance though as that's a key way of
extending your own widgets derived from fltk widgets...
For stdio you can just use the C functions, you don't need to deal with
the C++ stream classes or etc.
You do not need to know about STL, BOOST or... Etc... Though all are
useful once you get up to speed!
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