Code generation for composite templates about gtk4-rs HOT 6 OPEN

Shouldn't be needed because we do support composite template in gtk4-rs, see the following example https://github.com/gtk-rs/gtk4-rs/blob/master/examples/src/bin/composite_template.rs

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If such a script provides more than that and makes things easier, the best approach would probably be to make it a proc macro (you can read the .ui files from the macro code) so it can be directly integrated into the Rust code instead of having external code generation via build.rs (which is rather suboptimal build-system-wise).

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Yes, rewriting it as macros was the idea. I just didn't want to do it before getting feedback about it. Composite templates don't check your actual ui files for any errors or typos, do they? These errors are only caught at runtime which makes it impossible to catch by CI etc. And you still need to write the template files.

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Yes, rewriting it as macros was the idea. I just didn't want to do it before getting feedback about it. Composite templates don't check your actual ui files for any errors or typos, do they? These errors are only caught at runtime which makes it impossible to catch by CI etc. And you still need to write the template files.

Definitely, see my suggestion in #77, Vala does exactly the same thing by having an attribute to specify either a resource uri or a file path and it does check the types at build time that way.

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Ah yes that looks like a good way to do it. I guess three LOC per template file are a good compromise between magic and not having to write a lot of code. I can look into it.

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Sounds great, thanks for looking into this :)

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