Pickers "v2"

Cargo.toml

@@ -38,7 +38,7 @@ package.helix-term.opt-level = 2
 
 [workspace.dependencies]
 tree-sitter = { version = "0.22" }
-nucleo = "0.2.0"
+nucleo = "0.5.0"
 slotmap = "1.0.7"
 thiserror = "1.0"
 

book/src/themes.md

@@ -297,6 +297,8 @@ These scopes are used for theming the editor interface:
 | `ui.bufferline.background`        | Style for bufferline background                                                                |
 | `ui.popup`                        | Documentation popups (e.g. Space + k)                                                          |
 | `ui.popup.info`                   | Prompt for multiple key options                                                                |
+| `ui.picker.header`                | Column names in pickers with multiple columns                                                  |
+| `ui.picker.header.active`         | The column name in pickers with multiple columns where the cursor is entering into.            |
 | `ui.window`                       | Borderlines separating splits                                                                  |
 | `ui.help`                         | Description box for commands                                                                   |
 | `ui.text`                         | Default text style, command prompts, popup text, etc.                                          |

helix-core/Cargo.toml

@@ -34,6 +34,7 @@ bitflags = "2.6"
 ahash = "0.8.11"
 hashbrown = { version = "0.14.5", features = ["raw"] }
 dunce = "1.0"
+url = "2.5.0"
 
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }

helix-core/src/fuzzy.rs

@@ -1,6 +1,6 @@
 use std::ops::DerefMut;
 
-use nucleo::pattern::{Atom, AtomKind, CaseMatching};
+use nucleo::pattern::{Atom, AtomKind, CaseMatching, Normalization};
 use nucleo::Config;
 use parking_lot::Mutex;
 
@@ -38,6 +38,12 @@ pub fn fuzzy_match<T: AsRef<str>>(
     if path {
         matcher.config.set_match_paths();
     }
-    let pattern = Atom::new(pattern, CaseMatching::Smart, AtomKind::Fuzzy, false);
+    let pattern = Atom::new(
+        pattern,
+        CaseMatching::Smart,
+        Normalization::Smart,
+        AtomKind::Fuzzy,
+        false,
+    );
     pattern.match_list(items, &mut matcher)
 }

helix-core/src/lib.rs

@@ -27,6 +27,7 @@ pub mod test;
 pub mod text_annotations;
 pub mod textobject;
 mod transaction;
+pub mod uri;
 pub mod wrap;
 
 pub mod unicode {
@@ -66,3 +67,5 @@ pub use diagnostic::Diagnostic;
 
 pub use line_ending::{LineEnding, NATIVE_LINE_ENDING};
 pub use transaction::{Assoc, Change, ChangeSet, Deletion, Operation, Transaction};
+
+pub use uri::Uri;

helix-core/src/uri.rs

@@ -0,0 +1,122 @@
+use std::path::{Path, PathBuf};
+
+/// A generic pointer to a file location.
+///
+/// Currently this type only supports paths to local files.
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[non_exhaustive]
+pub enum Uri {
+    File(PathBuf),
+}
+
+impl Uri {
+    // This clippy allow mirrors url::Url::from_file_path
+    #[allow(clippy::result_unit_err)]
+    pub fn to_url(&self) -> Result<url::Url, ()> {
+        match self {
+            Uri::File(path) => url::Url::from_file_path(path),
+        }
+    }
+
+    pub fn as_path(&self) -> Option<&Path> {
+        match self {
+            Self::File(path) => Some(path),
+        }
+    }
+
+    pub fn as_path_buf(self) -> Option<PathBuf> {
+        match self {
+            Self::File(path) => Some(path),
+        }
+    }
+}
+
+impl From<PathBuf> for Uri {
+    fn from(path: PathBuf) -> Self {
+        Self::File(path)
+    }
+}
+
+impl TryFrom<Uri> for PathBuf {
+    type Error = ();
+
+    fn try_from(uri: Uri) -> Result<Self, Self::Error> {
+        match uri {
+            Uri::File(path) => Ok(path),
+        }
+    }
+}
+
+#[derive(Debug)]
+pub struct UrlConversionError {
+    source: url::Url,
+    kind: UrlConversionErrorKind,
+}
+
+#[derive(Debug)]
+pub enum UrlConversionErrorKind {
+    UnsupportedScheme,
+    UnableToConvert,
+}
+
+impl std::fmt::Display for UrlConversionError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self.kind {
+            UrlConversionErrorKind::UnsupportedScheme => {
+                write!(f, "unsupported scheme in URL: {}", self.source.scheme())
+            }
+            UrlConversionErrorKind::UnableToConvert => {
+                write!(f, "unable to convert URL to file path: {}", self.source)
+            }
+        }
+    }
+}
+
+impl std::error::Error for UrlConversionError {}
+
+fn convert_url_to_uri(url: &url::Url) -> Result<Uri, UrlConversionErrorKind> {
+    if url.scheme() == "file" {
+        url.to_file_path()
+            .map(|path| Uri::File(helix_stdx::path::normalize(path)))
+            .map_err(|_| UrlConversionErrorKind::UnableToConvert)
+    } else {
+        Err(UrlConversionErrorKind::UnsupportedScheme)
+    }
+}
+
+impl TryFrom<url::Url> for Uri {
+    type Error = UrlConversionError;
+
+    fn try_from(url: url::Url) -> Result<Self, Self::Error> {
+        convert_url_to_uri(&url).map_err(|kind| Self::Error { source: url, kind })
+    }
+}
+
+impl TryFrom<&url::Url> for Uri {
+    type Error = UrlConversionError;
+
+    fn try_from(url: &url::Url) -> Result<Self, Self::Error> {
+        convert_url_to_uri(url).map_err(|kind| Self::Error {
+            source: url.clone(),
+            kind,
+        })
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use url::Url;
+
+    #[test]
+    fn unknown_scheme() {
+        let url = Url::parse("csharp:/metadata/foo/bar/Baz.cs").unwrap();
+        assert!(matches!(
+            Uri::try_from(url),
+            Err(UrlConversionError {
+                kind: UrlConversionErrorKind::UnsupportedScheme,
+                ..
+            })
+        ));
+    }
+}

helix-event/src/lib.rs

@@ -34,7 +34,9 @@
 use anyhow::Result;
 pub use cancel::{cancelable_future, cancelation, CancelRx, CancelTx};
 pub use debounce::{send_blocking, AsyncHook};
-pub use redraw::{lock_frame, redraw_requested, request_redraw, start_frame, RenderLockGuard};
+pub use redraw::{
+    lock_frame, redraw_requested, request_redraw, start_frame, RenderLockGuard, RequestRedrawOnDrop,
+};
 pub use registry::Event;
 
 mod cancel;

helix-event/src/redraw.rs

@@ -51,3 +51,12 @@ pub fn start_frame() {
 pub fn lock_frame() -> RenderLockGuard {
     RENDER_LOCK.read()
 }
+
+/// A zero sized type that requests a redraw via [request_redraw] when the type [Drop]s.
+pub struct RequestRedrawOnDrop;
+
+impl Drop for RequestRedrawOnDrop {
+    fn drop(&mut self) {
+        request_redraw();
+    }
+}

helix-term/Cargo.toml

@@ -56,6 +56,7 @@ ignore = "0.4"
 pulldown-cmark = { version = "0.11", default-features = false }
 # file type detection
 content_inspector = "0.2.4"
+thiserror = "1.0"
 
 # opening URLs
 open = "5.2.0"

helix-term/src/application.rs

@@ -735,10 +735,10 @@ impl Application {
                         }
                     }
                     Notification::PublishDiagnostics(mut params) => {
-                        let path = match params.uri.to_file_path() {
-                            Ok(path) => helix_stdx::path::normalize(path),
-                            Err(_) => {
-                                log::error!("Unsupported file URI: {}", params.uri);
+                        let uri = match helix_core::Uri::try_from(params.uri) {
+                            Ok(uri) => uri,
+                            Err(err) => {
+                                log::error!("{err}");
                                 return;
                             }
                         };
@@ -749,11 +749,11 @@ impl Application {
                         }
                         // have to inline the function because of borrow checking...
                         let doc = self.editor.documents.values_mut()
-                            .find(|doc| doc.path().map(|p| p == &path).unwrap_or(false))
+                            .find(|doc| doc.uri().is_some_and(|u| u == uri))
                             .filter(|doc| {
                                 if let Some(version) = params.version {
                                     if version != doc.version() {
-                                        log::info!("Version ({version}) is out of date for {path:?} (expected ({}), dropping PublishDiagnostic notification", doc.version());
+                                        log::info!("Version ({version}) is out of date for {uri:?} (expected ({}), dropping PublishDiagnostic notification", doc.version());
                                         return false;
                                     }
                                 }
@@ -765,7 +765,7 @@ impl Application {
                             let lang_conf = doc.language.clone();
 
                             if let Some(lang_conf) = &lang_conf {
-                                if let Some(old_diagnostics) = self.editor.diagnostics.get(&path) {
+                                if let Some(old_diagnostics) = self.editor.diagnostics.get(&uri) {
                                     if !lang_conf.persistent_diagnostic_sources.is_empty() {
                                         // Sort diagnostics first by severity and then by line numbers.
                                         // Note: The `lsp::DiagnosticSeverity` enum is already defined in decreasing order
@@ -798,7 +798,7 @@ impl Application {
                         // Insert the original lsp::Diagnostics here because we may have no open document
                         // for diagnosic message and so we can't calculate the exact position.
                         // When using them later in the diagnostics picker, we calculate them on-demand.
-                        let diagnostics = match self.editor.diagnostics.entry(path) {
+                        let diagnostics = match self.editor.diagnostics.entry(uri) {
                             Entry::Occupied(o) => {
                                 let current_diagnostics = o.into_mut();
                                 // there may entries of other language servers, which is why we can't overwrite the whole entry
@@ -1132,20 +1132,22 @@ impl Application {
             ..
         } = params;
 
-        let path = match uri.to_file_path() {
-            Ok(path) => path,
+        let uri = match helix_core::Uri::try_from(uri) {
+            Ok(uri) => uri,
             Err(err) => {
-                log::error!("unsupported file URI: {}: {:?}", uri, err);
+                log::error!("{err}");
                 return lsp::ShowDocumentResult { success: false };
             }
         };
+        // If `Uri` gets another variant other than `Path` this may not be valid.
+        let path = uri.as_path().expect("URIs are valid paths");
 
         let action = match take_focus {
             Some(true) => helix_view::editor::Action::Replace,
             _ => helix_view::editor::Action::VerticalSplit,
         };
 
-        let doc_id = match self.editor.open(&path, action) {
+        let doc_id = match self.editor.open(path, action) {
             Ok(id) => id,
             Err(err) => {
                 log::error!("failed to open path: {:?}: {:?}", uri, err);