From 27e3361eb5399dc1a700d7f05d5b7b329bc4eafd Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey>
Date: Mon, 11 May 2020 10:29:41 -0300
Subject: Fix T74713: Unpredictable active texture node for Workbench

The selection operator was not being correctly marked for update.
This restores the behavior seen in blender 2.79.
---
 source/blender/editors/space_node/node_select.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'source/blender/editors/space_node/node_select.c')

diff --git a/source/blender/editors/space_node/node_select.c b/source/blender/editors/space_node/node_select.c
index 50c32da4b5a..e96d03f70f4 100644
--- a/source/blender/editors/space_node/node_select.c
+++ b/source/blender/editors/space_node/node_select.c
@@ -51,6 +51,8 @@
 #include "UI_resources.h"
 #include "UI_view2d.h"
 
+#include "DEG_depsgraph.h"
+
 #include "MEM_guardedalloc.h"
 
 #include "node_intern.h" /* own include */
@@ -549,6 +551,7 @@ static int node_mouse_select(bContext *C,
     }
     ED_node_set_active_viewer_key(snode);
     ED_node_sort(snode->edittree);
+    DEG_id_tag_update(&snode->edittree->id, ID_RECALC_COPY_ON_WRITE);
 
     WM_event_add_notifier(C, NC_NODE | NA_SELECTED, NULL);
   }
-- 
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