Subdue container labels to distinguish them from space views

crates/re_ui/src/lib.rs

@@ -57,6 +57,9 @@ pub enum LabelStyle {
 
     /// Label displaying the placeholder text for a yet unnamed item (e.g. an unnamed space view).
     Unnamed,
+
+    /// Label for containers, which are subdued compared to space views to make them distinctive
+    Container,
 }
 
 // ----------------------------------------------------------------------------
@@ -925,7 +928,7 @@ impl ReUi {
 
         let mut text: egui::WidgetText = text.into();
         match style {
-            LabelStyle::Normal => {}
+            LabelStyle::Normal | LabelStyle::Container => {}
             LabelStyle::Unnamed => {
                 // TODO(ab): use design tokens
                 text = text.italics();
@@ -991,6 +994,10 @@ impl ReUi {
                     // TODO(ab): use design tokens
                     text_color = text_color.gamma_multiply(0.5);
                 }
+                LabelStyle::Container => {
+                    // TODO(ab): use design tokens
+                    text_color = ui.visuals().widgets.noninteractive.text_color();
+                }
             }
             ui.painter()
                 .galley_with_override_text_color(text_pos, galley, text_color);

crates/re_ui/src/list_item.rs

@@ -325,6 +325,11 @@ impl<'a> ListItem<'a> {
             LabelStyle::Unnamed => {
                 self.italics = true;
             }
+            LabelStyle::Container => {
+                self.text = self
+                    .text
+                    .color(ui.visuals().widgets.noninteractive.text_color());
+            }
         }
 
         if self.italics {
@@ -455,7 +460,7 @@ impl<'a> ListItem<'a> {
             }
 
             match self.label_style {
-                LabelStyle::Normal => {}
+                LabelStyle::Normal | LabelStyle::Container => {}
                 LabelStyle::Unnamed => {
                     self.text = self.text.color(visuals.fg_stroke.color.gamma_multiply(0.5));
                 }

crates/re_viewer/src/ui/selection_panel.rs

@@ -675,6 +675,7 @@ fn show_list_item_for_container_child(
             (
                 Item::Container(child_tile_id),
                 ListItem::new(ctx.re_ui, format!("{:?}", container.kind()))
+                    .label_style(re_ui::LabelStyle::Container)
                     .with_icon(icon_for_container_kind(&container.kind())),
             )
         }

crates/re_viewport/src/viewport_blueprint_ui.rs

@@ -112,6 +112,7 @@ impl Viewport<'_, '_> {
         let response = ListItem::new(ctx.re_ui, format!("{:?}", container.kind()))
             .subdued(!container_visible)
             .selected(ctx.selection().contains_item(&item))
+            .label_style(re_ui::LabelStyle::Container)
             .with_icon(crate::icon_for_container_kind(&container.kind()))
             .with_buttons(|re_ui, ui| {
                 let vis_response = visibility_button_ui(re_ui, ui, parent_visible, &mut visible);