this post was submitted on 27 Nov 2023
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C bindings and APIs generally work much better in Rust because the language works a lot more like C than it does C++.
Qt depends a lot on C++ class inheritance, and even does some preprocessing of C++ files to generate code in those classes. That's obviously not possible when using Rust. And it looks like you need a fair bit of unsafe there and there to use it at all too.
Meanwhile, GTK being a C library, its integration with Rust is much more transparent and nice.
So if you're making a GUI Rust app, you're just kind of better off with GTK at the moment. It's significantly easier and nicer.
Having made the choice to use GTK for a Rust project years ago - before a lot of the more Rust-friendly frameworks were around - this is exactly why I chose it. Nothing to do with DEs or any of that, just looking for a better coding experience. Now I'd probably choose one of the several Rust-focused solutions that have popped up though.
Any examples of such rust-focused solutions that popped up?
Slint has fairly decent docs and has worked fairly well for my small projects