In what way is the fundamental idea of wxWidgets not sound? It works very well, and is pretty much the only toolkit to do what it does.
The only toolkit to do what it does? Qt does what it does, even if the approach is not the same (arguably superior), there’s also Tk. There’s also libui and IUP.
This is nonsensical. What are you even trying to say here? MFC isn't available on macOS or GTK.
> Just look at Unicode. It’s an unholy mess.
This seems utterly unrelated to the issue under discussion.
> Qt does what it does, even if the approach is not the same (arguably superior), there’s also Tk. There’s also libui and IUP.
None of those allow a single codebase to compile on Windows, Mac, and Linux, and get native UI elements on each.