Add RNA path funcs for VolumeRender & VolumeDisplay

Without proper RNA paths, Alt-click editing properties on multiple
selected objects doesn not work (as well as the 'Copy To Selected'
operator).

Fixes T91806.

Maniphest Tasks: T91806

Differential Revision: https://developer.blender.org/D12700

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_volume.c b/source/blender/makesrna/intern/rna_volume.c
index 8ed53c9f70f..f6b8b55688c 100644
--- a/source/blender/makesrna/intern/rna_volume.c
+++ b/source/blender/makesrna/intern/rna_volume.c
@@ -41,6 +41,16 @@
 #  include "WM_api.h"
 #  include "WM_types.h"
 
+static char *rna_VolumeRender_path(PointerRNA *UNUSED(ptr))
+{
+  return BLI_strdup("render");
+}
+
+static char *rna_VolumeDisplay_path(PointerRNA *UNUSED(ptr))
+{
+  return BLI_strdup("display");
+}
+
 /* Updates */
 
 static void rna_Volume_update_display(Main *UNUSED(bmain), Scene *UNUSED(scene), PointerRNA *ptr)
@@ -371,6 +381,7 @@ static void rna_def_volume_display(BlenderRNA *brna)
   srna = RNA_def_struct(brna, "VolumeDisplay", NULL);
   RNA_def_struct_ui_text(srna, "Volume Display", "Volume object display settings for 3D viewport");
   RNA_def_struct_sdna(srna, "VolumeDisplay");
+  RNA_def_struct_path_func(srna, "rna_VolumeDisplay_path");
 
   prop = RNA_def_property(srna, "density", PROP_FLOAT, PROP_NONE);
   RNA_def_property_clear_flag(prop, PROP_ANIMATABLE);
@@ -477,6 +488,7 @@ static void rna_def_volume_render(BlenderRNA *brna)
   srna = RNA_def_struct(brna, "VolumeRender", NULL);
   RNA_def_struct_ui_text(srna, "Volume Render", "Volume object render settings");
   RNA_def_struct_sdna(srna, "VolumeRender");
+  RNA_def_struct_path_func(srna, "rna_VolumeRender_path");
 
   static const EnumPropertyItem space_items[] = {
       {VOLUME_SPACE_OBJECT,