Search in selections (#10831)

Release Notes:

- Adding [#8617 ](https://github.com/zed-industries/zed/issues/8617)

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

crates/workspace/src/searchable.rs

@@ -39,8 +39,9 @@ pub struct SearchOptions {
     pub case: bool,
     pub word: bool,
     pub regex: bool,
-    /// Specifies whether the item supports search & replace.
+    /// Specifies whether the  supports search & replace.
     pub replacement: bool,
+    pub selection: bool,
 }
 
 pub trait SearchableItem: Item + EventEmitter<SearchEvent> {
@@ -52,15 +53,18 @@ pub trait SearchableItem: Item + EventEmitter<SearchEvent> {
             word: true,
             regex: true,
             replacement: true,
+            selection: true,
         }
     }
 
     fn search_bar_visibility_changed(&mut self, _visible: bool, _cx: &mut ViewContext<Self>) {}
 
     fn has_filtered_search_ranges(&mut self) -> bool {
-        false
+        Self::supported_options().selection
     }
 
+    fn toggle_filtered_search_ranges(&mut self, _enabled: bool, _cx: &mut ViewContext<Self>) {}
+
     fn clear_matches(&mut self, cx: &mut ViewContext<Self>);
     fn update_matches(&mut self, matches: &[Self::Match], cx: &mut ViewContext<Self>);
     fn query_suggestion(&mut self, cx: &mut ViewContext<Self>) -> String;
@@ -138,6 +142,8 @@ pub trait SearchableItemHandle: ItemHandle {
         cx: &mut WindowContext,
     ) -> Option<usize>;
     fn search_bar_visibility_changed(&self, visible: bool, cx: &mut WindowContext);
+
+    fn toggle_filtered_search_ranges(&mut self, enabled: bool, cx: &mut WindowContext);
 }
 
 impl<T: SearchableItem> SearchableItemHandle for View<T> {
@@ -240,6 +246,12 @@ impl<T: SearchableItem> SearchableItemHandle for View<T> {
             this.search_bar_visibility_changed(visible, cx)
         });
     }
+
+    fn toggle_filtered_search_ranges(&mut self, enabled: bool, cx: &mut WindowContext) {
+        self.update(cx, |this, cx| {
+            this.toggle_filtered_search_ranges(enabled, cx)
+        });
+    }
 }
 
 impl From<Box<dyn SearchableItemHandle>> for AnyView {