On 18 Jun 2021, at 18:18, Dave Jordan wrote:
> 
> I haven't found any examples that use a subclassed Browser with .h & .cpp files.

Ummm, OK... What are you wanting to achieve? Your sample code looks a wee bit... odd.

Have you looked at examples/howto-browser-with-icons.cxx - does that not show what you need?
And of course test/browser.cxx.


> brwsr.h
> #include <FL/Fl.H>
> #include <FL/Fl_Hold_Browser.H>
> struct Brwsr : Fl_Hold_Browser {

That’s “unconventional", I would suggest, subclassing a class object as a struct. That would not be considered idiomatic C++ code, generally.


> callback(brwsr_cb);
> // more callback-related decls?
> }


What are you planning on doing, with a subclassed callback method? That’s not what folks usually do - the callback method is pretty generic, so you can pass it pretty much any callback function to call.


> 
> brwsr.cpp
> #include "brwsr.h"
> Brwsr::Brwsr() {
> void brwsr_cb2();
> static void brwsr_cb(Fl_Widget*,void *v) {
> ((Brwsr*)v)->brwsr_cb();
> }
> }
> Brwsr::brwsr_cb2() { ... }
> 
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