[Bf-blender-cvs] [1019df81ffb] blender-v2.91-release: Fix T82251: Outliner Material Drag&Drop missing tree update

[Philipp Oeser]

Commit: 1019df81ffbcb0f696b260fc8cfb6a6bb1104a62
Author: Philipp Oeser
Date:   Fri Oct 30 16:41:30 2020 +0100
Branches: blender-v2.91-release
https://developer.blender.org/rB1019df81ffbcb0f696b260fc8cfb6a6bb1104a62

Fix T82251: Outliner Material Drag&Drop missing tree update

Caused by rBb077de086e14.

Not entirely sure why this was rebuilding the tree prior to above
commit, but sending an ND_OB_SHADING notifier is appropriate (and also
what the Outliners listener listens to).

Maniphest Tasks: T82251

Differential Revision: https://developer.blender.org/D9396

===================================================================

M	source/blender/editors/space_outliner/outliner_dragdrop.c

===================================================================

diff --git a/source/blender/editors/space_outliner/outliner_dragdrop.c b/source/blender/editors/space_outliner/outliner_dragdrop.c
index 6c0975498e0..865e06bf0b6 100644
--- a/source/blender/editors/space_outliner/outliner_dragdrop.c
+++ b/source/blender/editors/space_outliner/outliner_dragdrop.c
@@ -641,6 +641,7 @@ static int material_drop_invoke(bContext *C, wmOperator *UNUSED(op), const wmEve
 
   BKE_object_material_assign(bmain, ob, ma, ob->totcol + 1, BKE_MAT_ASSIGN_USERPREF);
 
+  WM_event_add_notifier(C, NC_OBJECT | ND_OB_SHADING, ob);
   WM_event_add_notifier(C, NC_SPACE | ND_SPACE_VIEW3D, CTX_wm_view3d(C));
   WM_event_add_notifier(C, NC_MATERIAL | ND_SHADING_LINKS, ma);