Outliner: Add way to display warning icon for items.

While theorically fairly generic, current code is only enabled for
bledfile and liboverride views, and only used to display messages from
library IDs.

Reviewed By: Severin

Differential Revision: https://developer.blender.org/D13766

1 files changed, 4 insertions, 1 deletions

diff --git a/source/blender/editors/space_outliner/tree/tree_display_override_library.cc b/source/blender/editors/space_outliner/tree/tree_display_override_library.cc
index 943e182277c..bf9fba30c9f 100644
--- a/source/blender/editors/space_outliner/tree/tree_display_override_library.cc
+++ b/source/blender/editors/space_outliner/tree/tree_display_override_library.cc
@@ -112,7 +112,7 @@ ListBase TreeDisplayOverrideLibrary::buildTree(const TreeSourceData &source_data
 
 TreeElement *TreeDisplayOverrideLibrary::add_library_contents(Main &mainvar,
                                                               ListBase &lb,
-                                                              Library *lib) const
+                                                              Library *lib)
 {
   const short filter_id_type = id_filter_get();
 
@@ -152,6 +152,9 @@ TreeElement *TreeDisplayOverrideLibrary::add_library_contents(Main &mainvar,
           tenlib = outliner_add_element(&space_outliner_, &lb, &mainvar, nullptr, TSE_ID_BASE, 0);
           tenlib->name = IFACE_("Current File");
         }
+        if (tenlib->flag & TE_HAS_WARNING) {
+          has_warnings = true;
+        }
       }
 
       /* Create data-block list parent element on demand. */