From 662cfb6f7b7c3891f4dde4c5fa8cf55c19109da9 Mon Sep 17 00:00:00 2001
From: "chunmao.guo" <chunmao.guo@bambulab.com>
Date: Thu, 17 Nov 2022 11:44:22 +0800
Subject: [PATCH] FIX: [STUDIO-1369] backup object mesh when renaming

Change-Id: I17644b732a0a476ca3d5b4cf61c0f5b53b81eaa6
---
 src/slic3r/GUI/GUI_ObjectList.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index 52385aafa..02c4f91ef 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -847,10 +847,14 @@ void ObjectList::update_name_in_model(const wxDataViewItem& item) const
 
     ModelObject* obj = object(obj_idx);
     if (m_objects_model->GetItemType(item) & itObject) {
-        obj->name = m_objects_model->GetName(item).ToUTF8().data();
-        // if object has just one volume, rename this volume too
-        if (obj->volumes.size() == 1)
-            obj->volumes[0]->name = obj->name;
+        std::string name = m_objects_model->GetName(item).ToUTF8().data();
+        if (obj->name != name) {
+            obj->name = name;
+            // if object has just one volume, rename this volume too
+            if (obj->volumes.size() == 1)
+                obj->volumes[0]->name = obj->name;
+            Slic3r::save_object_mesh(*obj);
+        }
         return;
     }