I decided to compile from scratch the latest wxWidgets from wxwidgets.org. And I compiled and installed successfully for both X11 and GTK. Source: 10 months ago

Some say qt, others wxwidgets, u++, sfml, here is a video from quick search on wxwidgets and c++ for beginners https://www.youtube.com/watch?v=FOIbK4bJKS8 Choosethem depending on learning curve and where they will take you, you might learn something harder because it takes you farther to where you want to go. Source: over 1 year ago

> Java Swing still lets you make native-looking-and-feeling apps (with some care). I don't know of any new GUI frameworks that let you do the same. That's the whole raison d'être of the (C++) wxWidgets toolkit. [0] It fully commits to using native GUI widgets, rather than impersonating them. (That is, it wraps various other toolkits.) As others have pointed out, the other major cross-platform toolkits (Qt, GTK)... - Source: Hacker News / over 2 years ago

That all being said: We are now all waiting on wxwidgets to release their next stable version so that we can upgrade. It makes no sense to use an unstable version of that upstream, as in its development releases it literally breaks on every patch level release. It also makes no sense to start packaging a custom version of wxgtk just for audacity (the overhead required is just not worth it). Source: over 2 years ago

Looking good is very subjective of course… did you take a look at wxWidgets? https://wxwidgets.org/. - Source: Hacker News / over 2 years ago

For the record, I find the teaching IDE BlueJ very easy to use and try things out in JavaFX. It is very light to use as it isn't designed as a normal IDE but you can simply write a JavaFX class and right-click to run as it. Source: about 3 years ago