Sort the buffer picker by most recent access (#2980)

1 files changed, 9 insertions, 0 deletions

diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index eca60026..5ede5bc6 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -169,6 +169,9 @@ pub struct Document {
 
     diff_handle: Option<DiffHandle>,
     version_control_head: Option<Arc<ArcSwap<Box<str>>>>,
+
+    // when document was used for most-recent-used buffer picker
+    pub focused_at: std::time::Instant,
 }
 
 /// Inlay hints for a single `(Document, View)` combo.
@@ -496,6 +499,7 @@ impl Document {
             diff_handle: None,
             config,
             version_control_head: None,
+            focused_at: std::time::Instant::now(),
         }
     }
     pub fn default(config: Arc<dyn DynAccess<Config>>) -> Self {
@@ -908,6 +912,11 @@ impl Document {
         }
     }
 
+    /// Mark document as recent used for MRU sorting
+    pub fn mark_as_focused(&mut self) {
+        self.focused_at = std::time::Instant::now();
+    }
+
     /// Remove a view's selection and inlay hints from this document.
     pub fn remove_view(&mut self, view_id: ViewId) {
         self.selections.remove(&view_id);