[Bf-blender-cvs] [6bc3311410a] master: Fix: Missing node warning when compositor is enabled

[Omar Emara]

Commit: 6bc3311410a8f6033fd8fff6bb9b1d1847b3200b
Author: Omar Emara
Date:   Fri Nov 25 13:15:42 2022 +0200
Branches: master
https://developer.blender.org/rB6bc3311410a8f6033fd8fff6bb9b1d1847b3200b

Fix: Missing node warning when compositor is enabled

If the compositor is enabled or disabled, the node warnings for
unsupported nodes is not updated because of a missing redraw. This patch
adds that missing redraw in order to make the change immediate.

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

M	source/blender/makesrna/intern/rna_space.c

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

diff --git a/source/blender/makesrna/intern/rna_space.c b/source/blender/makesrna/intern/rna_space.c
index 17c373f2924..3e7ecbc07fb 100644
--- a/source/blender/makesrna/intern/rna_space.c
+++ b/source/blender/makesrna/intern/rna_space.c
@@ -999,6 +999,15 @@ static void rna_SpaceView3D_object_type_visibility_update(Main *UNUSED(bmain),
   DEG_id_tag_update(&scene->id, ID_RECALC_BASE_FLAGS);
 }
 
+static void rna_SpaceView3D_shading_use_compositor_update(Main *UNUSED(bmain),
+                                                          Scene *UNUSED(scene),
+                                                          PointerRNA *UNUSED(ptr))
+{
+  /* Nodes may display warnings when the compositor is enabled, so we need a redraw in that case,
+   * and even when it gets disabled in order to potentially remove the warning. */
+  WM_main_add_notifier(NC_SPACE | ND_SPACE_NODE, NULL);
+}
+
 static void rna_SpaceView3D_region_quadviews_begin(CollectionPropertyIterator *iter,
                                                    PointerRNA *ptr)
 {
@@ -4270,7 +4279,9 @@ static void rna_def_space_view3d_shading(BlenderRNA *brna)
   RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
   RNA_def_property_ui_text(
       prop, "Compositor", "When to preview the compositor output inside the viewport");
-  RNA_def_property_update(prop, NC_SPACE | ND_SPACE_VIEW3D | NS_VIEW3D_SHADING, NULL);
+  RNA_def_property_update(prop,
+                          NC_SPACE | ND_SPACE_VIEW3D | NS_VIEW3D_SHADING,
+                          "rna_SpaceView3D_shading_use_compositor_update");
 }
 
 static void rna_def_space_view3d_overlay(BlenderRNA *brna)