Add file picker dialogue when opening a directory with :o

helix-term/src/commands/typed.rs

@@ -46,12 +46,24 @@ fn open(
     ensure!(!args.is_empty(), "wrong argument count");
     for arg in args {
         let (path, pos) = args::parse_file(arg);
-        let _ = cx.editor.open(path, Action::Replace)?;
-        let (view, doc) = current!(cx.editor);
-        let pos = Selection::point(pos_at_coords(doc.text().slice(..), pos, true));
-        doc.set_selection(view.id, pos);
-        // does not affect opening a buffer without pos
-        align_view(doc, view, Align::Center);
+        if std::fs::canonicalize(&path)?.is_dir() {
+            let callback = async move {
+                let call: job::Callback =
+                    Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
+                        let picker = ui::file_picker(path, &*editor.config.load());
+                        compositor.push(Box::new(overlayed(picker)));
+                    });
+                Ok(call)
+            };
+            cx.jobs.callback(callback);
+        } else {
+            let _ = cx.editor.open(path, Action::Replace)?;
+            let (view, doc) = current!(cx.editor);
+            let pos = Selection::point(pos_at_coords(doc.text().slice(..), pos, true));
+            doc.set_selection(view.id, pos);
+            // does not affect opening a buffer without pos
+            align_view(doc, view, Align::Center);
+        }
     }
     Ok(())
 }