From d1631143743ef429dd1b9196583af590bd39d461 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Fri, 5 May 2023 11:12:25 +0200
Subject: [PATCH] Gui: disable lighting for the label of an axis

This way the backside of the label is displayed with the same color as the front side. Otherwise it may be black.
---
 src/Gui/ViewProviderOrigin.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Gui/ViewProviderOrigin.cpp b/src/Gui/ViewProviderOrigin.cpp
index 251528fa29..5282836c1f 100644
--- a/src/Gui/ViewProviderOrigin.cpp
+++ b/src/Gui/ViewProviderOrigin.cpp
@@ -24,7 +24,8 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
-# include <Inventor/nodes/SoGroup.h>
+# include <Inventor/nodes/SoLightModel.h>
+# include <Inventor/nodes/SoSeparator.h>
 #endif
 
 #include <App/Document.h>
@@ -59,6 +60,10 @@ ViewProviderOrigin::ViewProviderOrigin()
 
     pcGroupChildren = new SoGroup();
     pcGroupChildren->ref();
+
+    auto lm = new SoLightModel();
+    lm->model = SoLightModel::BASE_COLOR;
+    pcRoot->insertChild(lm, 0);
 }
 
 ViewProviderOrigin::~ViewProviderOrigin() {