Does anyone have a working example (simpler the better) of a Rust program that uses GTK4 and draws graphical stuff, not just text? All I can find on the web either use GTK3 or are coded in C rather than rust. There is a nice tutorial at Building a Simple To-Do App - GUI development with Rust and GTK 4, but it uses only textual widgets.
You are asking about Cairo drawing? I ported my toy chess game to Rust recently, see GitHub - StefanSalewski/rust-chess: Port of salewski-chess from Nim to Rust. The GUI stuff is still ugly, sorry. But maybe it helps you to start with cairo. I can currently not remember other Rust cairo examples, but I would assume there is something in gtk4-rs/examples at master · gtk-rs/gtk4-rs · GitHub. Personally, I have some hope for Xilem and Vello for the end of this year.
[EDIT]
OK, I think I found the page with the Rust Cairo examples again:
And I think this file was my actual starting point for Cairo drawing on the GTK DrawingArea:
examples/src/bin/cairotest.rs at master · gtk-rs/examples · GitHub
or
rgtk/examples/src/cairotest.rs at master · jeremyletang/rgtk · GitHub
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Many thanks for that, Stefan. I tried to build your chess project, but it needs GTK4 version 4.10 and my system has only 4.6.9. Fixed it by removing the 'features = ["v4_12"]' from Cargo.toml. I'm sure the source code will give me lots of good examples anyway.
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