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Add syntax highlighing feature to egui_extras (#3333)

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* Add syntax highlighing feature to egui_extras

Enable "syntect" feature for great syntax highlighting of any language.

If not a simple fallback is used that works fine for C++, Rust, Python

* Check --no-default-features of egui_extras on CI

* spelling

* Fix building egui_extras without additional features
This commit is contained in:
Emil Ernerfeldt
2023-09-13 20:39:40 +02:00
committed by GitHub
parent 4b5146d35d
commit 5e785ae00a
15 changed files with 307 additions and 98 deletions
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22
crates/egui_extras/src/loaders/file_loader.rs
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@@ -63,21 +63,29 @@ impl BytesLoader for FileLoader {
.spawn({
let ctx = ctx.clone();
let cache = self.cache.clone();
let uri = uri.to_owned();
let _uri = uri.to_owned();
move || {
let result = match std::fs::read(&path) {
Ok(bytes) => Ok(File {
bytes: bytes.into(),
mime: mime_guess::from_path(&path)
Ok(bytes) => {
#[cfg(feature = "mime_guess")]
let mime = mime_guess::from_path(&path)
.first_raw()
.map(|v| v.to_owned()),
}),
.map(|v| v.to_owned());
#[cfg(not(feature = "mime_guess"))]
let mime = None;
Ok(File {
bytes: bytes.into(),
mime,
})
}
Err(err) => Err(err.to_string()),
};
let prev = cache.lock().insert(path, Poll::Ready(result));
assert!(matches!(prev, Some(Poll::Pending)));
ctx.request_repaint();
crate::log_trace!("finished loading {uri:?}");
crate::log_trace!("finished loading {_uri:?}");
}
})
.expect("failed to spawn thread");