Revert "Return the previous suggestion when replacing it"

This reverts commit 971c88db80.

crates/editor/src/display_map.rs

@@ -7,7 +7,7 @@ mod wrap_map;
 use crate::{Anchor, AnchorRangeExt, MultiBuffer, MultiBufferSnapshot, ToOffset, ToPoint};
 pub use block_map::{BlockMap, BlockPoint};
 use collections::{HashMap, HashSet};
-use fold_map::{FoldMap, FoldOffset};
+use fold_map::FoldMap;
 use gpui::{
     color::Color,
     fonts::{FontId, HighlightStyle},
@@ -238,22 +238,19 @@ impl DisplayMap {
         &self,
         new_suggestion: Option<Suggestion<T>>,
         cx: &mut ModelContext<Self>,
-    ) -> Option<Suggestion<FoldOffset>>
-    where
+    ) where
         T: ToPoint,
     {
         let snapshot = self.buffer.read(cx).snapshot(cx);
         let edits = self.buffer_subscription.consume().into_inner();
         let tab_size = Self::tab_size(&self.buffer, cx);
         let (snapshot, edits) = self.fold_map.read(snapshot, edits);
-        let (snapshot, edits, old_suggestion) =
-            self.suggestion_map.replace(new_suggestion, snapshot, edits);
+        let (snapshot, edits) = self.suggestion_map.replace(new_suggestion, snapshot, edits);
         let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
         let (snapshot, edits) = self
             .wrap_map
             .update(cx, |map, cx| map.sync(snapshot, edits, cx));
         self.block_map.read(snapshot, edits);
-        old_suggestion
     }
 
     pub fn set_font(&self, font_id: FontId, font_size: f32, cx: &mut ModelContext<Self>) -> bool {

crates/editor/src/display_map/suggestion_map.rs

@@ -79,11 +79,7 @@ impl SuggestionMap {
         new_suggestion: Option<Suggestion<T>>,
         fold_snapshot: FoldSnapshot,
         fold_edits: Vec<FoldEdit>,
-    ) -> (
-        SuggestionSnapshot,
-        Vec<SuggestionEdit>,
-        Option<Suggestion<FoldOffset>>,
-    )
+    ) -> (SuggestionSnapshot, Vec<SuggestionEdit>)
     where
         T: ToPoint,
     {
@@ -103,8 +99,7 @@ impl SuggestionMap {
         let mut snapshot = self.0.lock();
 
         let mut patch = Patch::new(edits);
-        let old_suggestion = snapshot.suggestion.take();
-        if let Some(suggestion) = &old_suggestion {
+        if let Some(suggestion) = snapshot.suggestion.take() {
             patch = patch.compose([SuggestionEdit {
                 old: SuggestionOffset(suggestion.position.0)
                     ..SuggestionOffset(suggestion.position.0 + suggestion.text.len()),
@@ -124,7 +119,7 @@ impl SuggestionMap {
 
         snapshot.suggestion = new_suggestion;
         snapshot.version += 1;
-        (snapshot.clone(), patch.into_inner(), old_suggestion)
+        (snapshot.clone(), patch.into_inner())
     }
 
     pub fn sync(
@@ -594,7 +589,7 @@ mod tests {
         let (suggestion_map, suggestion_snapshot) = SuggestionMap::new(fold_snapshot.clone());
         assert_eq!(suggestion_snapshot.text(), "abcdefghi");
 
-        let (suggestion_snapshot, _, _) = suggestion_map.replace(
+        let (suggestion_snapshot, _) = suggestion_map.replace(
             Some(Suggestion {
                 position: 3,
                 text: "123\n456".into(),
@@ -859,9 +854,7 @@ mod tests {
             };
 
             log::info!("replacing suggestion with {:?}", new_suggestion);
-            let (snapshot, edits, _) =
-                self.replace(new_suggestion, fold_snapshot, Default::default());
-            (snapshot, edits)
+            self.replace(new_suggestion, fold_snapshot, Default::default())
         }
     }
 }

crates/editor/src/editor.rs

@@ -2881,11 +2881,9 @@ impl Editor {
     }
 
     fn hide_copilot_suggestion(&mut self, cx: &mut ViewContext<Self>) -> bool {
-        let old_suggestion = self
-            .display_map
-            .update(cx, |map, cx| map.replace_suggestion::<usize>(None, cx));
-
-        if old_suggestion.is_some() {
+        if self.has_active_copilot_suggestion(cx) {
+            self.display_map
+                .update(cx, |map, cx| map.replace_suggestion::<usize>(None, cx));
             cx.notify();
             true
         } else {