From 219da1a0ad95602442c17e003fc3687209bd8b4a Mon Sep 17 00:00:00 2001
From: Antoine Beyeler <antoine@rerun.io>
Date: Wed, 31 Jan 2024 11:31:02 +0100
Subject: [PATCH] New empty space view defaults to uncollapsed in blueprint
 tree

---
 crates/re_viewport/src/viewport_blueprint_ui.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/crates/re_viewport/src/viewport_blueprint_ui.rs b/crates/re_viewport/src/viewport_blueprint_ui.rs
index f4022446a8de..5daac27cde35 100644
--- a/crates/re_viewport/src/viewport_blueprint_ui.rs
+++ b/crates/re_viewport/src/viewport_blueprint_ui.rs
@@ -173,7 +173,8 @@ impl Viewport<'_, '_> {
 
         let root_node = result_tree.first_interesting_root();
 
-        let default_open = root_node.map_or(false, Self::default_open_for_data_result);
+        // empty space views should display as open by default to highlight the fact that they are empty
+        let default_open = root_node.map_or(true, Self::default_open_for_data_result);
 
         let collapsing_header_id = ui.id().with(space_view.id);
         let is_item_hovered =
@@ -218,7 +219,7 @@ impl Viewport<'_, '_> {
                         space_view_visible,
                     );
                 } else {
-                    ui.label("No results");
+                    ui.label("No data");
                 }
             });