fixed one failing test

crates/workspace/src/pane_group.rs

@@ -38,6 +38,10 @@ impl PaneGroup {
         }
     }
 
+    /// Returns:
+    /// - Ok(true) if it found and removed a pane
+    /// - Ok(false) if it found but did not remove the pane
+    /// - Err(_) if it did not find the pane
     pub fn remove(&mut self, pane: &ViewHandle<Pane>) -> Result<bool> {
         match &mut self.root {
             Member::Pane(_) => Ok(false),

crates/workspace/src/workspace.rs

@@ -957,6 +957,7 @@ impl Workspace {
         .detach();
 
         let center_pane = cx.add_view(|cx| Pane::new(None, cx));
+        dbg!(&center_pane);
         let pane_id = center_pane.id();
         cx.subscribe(&center_pane, move |this, _, event, cx| {
             this.handle_pane_event(pane_id, event, cx)
@@ -992,6 +993,7 @@ impl Workspace {
 
         let dock = Dock::new(cx, dock_default_factory);
         let dock_pane = dock.pane().clone();
+        dbg!(&dock_pane);
 
         let left_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Left));
         let right_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Right));
@@ -1016,7 +1018,10 @@ impl Workspace {
             weak_self: weak_handle,
             center: PaneGroup::new(center_pane.clone()),
             dock,
-            panes: vec![center_pane.clone(), dock_pane],
+            // When removing an item, the last element remaining in this array
+            // is used to find where focus should fallback to. As such, the order
+            // of these two variables is important.
+            panes: vec![dock_pane, center_pane.clone()],
             panes_by_item: Default::default(),
             active_pane: center_pane.clone(),
             last_active_center_pane: Some(center_pane.clone()),

crates/zed/src/zed.rs

@@ -1228,7 +1228,7 @@ mod tests {
 
         cx.foreground().run_until_parked();
         workspace.read_with(cx, |workspace, _| {
-            assert_eq!(workspace.panes().len(), 1);
+            assert_eq!(workspace.panes().len(), 2); //Center pane + Dock pane
             assert_eq!(workspace.active_pane(), &pane_1);
         });
 
@@ -1238,6 +1238,7 @@ mod tests {
         cx.foreground().run_until_parked();
 
         workspace.read_with(cx, |workspace, cx| {
+            assert_eq!(workspace.panes().len(), 2);
             assert!(workspace.active_item(cx).is_none());
         });