add code preview

crates/workspace/src/views/repo_detail/mod.rs

@@ -18,7 +18,7 @@ use signed_state::{GitStore, RepoStore};
 mod browser;
 mod helpers;
 
-use browser::{FileContent, MAX_PREVIEW_BYTES, MarkdownView};
+use browser::{CodeView, FileContent, MAX_PREVIEW_BYTES, MarkdownView};
 use helpers::{build_tree_items, is_markdown_path};
 
 /// Detail view of a repository: header, stats, a file explorer with README
@@ -34,6 +34,8 @@ pub struct RepoDetailView {
     worktree: Option<PathBuf>,
     /// Markdown document currently in the preview pane (README or a file).
     md: Option<MarkdownView>,
+    /// Code file currently in the preview pane.
+    code: Option<CodeView>,
     readme_name: Option<SharedString>,
     /// Currently previewed file (relative path) and its contents.
     selected_file: Option<SharedString>,
@@ -63,6 +65,7 @@ impl RepoDetailView {
             tree_state,
             worktree: None,
             md: None,
+            code: None,
             readme_name: None,
             selected_file: None,
             files: HashMap::new(),
@@ -150,9 +153,11 @@ impl RepoDetailView {
                     Component::ParentDir | Component::RootDir | Component::Prefix(_)
                 )
             });
+
         let Some(worktree) = self.worktree.clone() else {
             return;
         };
+
         if unsafe_path {
             return;
         }
@@ -186,13 +191,19 @@ impl RepoDetailView {
                 this.loading_files.remove(&path);
                 match content {
                     Ok(kind) => {
-                        if let FileContent::Text(text) = &kind
-                            && is_markdown_path(&path)
-                        {
-                            let same = this.md.as_ref().map(|md| md.path.as_deref())
-                                == Some(Some(path.as_str()));
-                            if !same {
-                                this.set_markdown(Some(path.clone().into()), text, cx);
+                        if let FileContent::Text(text) = &kind {
+                            if is_markdown_path(&path) {
+                                let same = this.md.as_ref().map(|md| md.path.as_deref())
+                                    == Some(Some(path.as_str()));
+                                if !same {
+                                    this.set_markdown(Some(path.clone().into()), text, cx);
+                                }
+                            } else {
+                                let same = this.code.as_ref().map(|code| code.path.as_str())
+                                    == Some(path.as_str());
+                                if !same {
+                                    this.set_code(path.clone().into(), text, cx);
+                                }
                             }
                         }
                         this.files.insert(path, kind);
@@ -280,6 +291,7 @@ impl Render for RepoDetailView {
                     .pt_2()
                     .pb_4()
                     .w_full()
+                    .items_start()
                     .justify_between()
                     .border_b_1()
                     .border_color(cx.theme().border)