From cae1567726f956fb5b8ac46dc4da2065af32aec7 Mon Sep 17 00:00:00 2001
From: Sabriel-Koh <52443698+Sabriel-Koh@users.noreply.github.com>
Date: Mon, 9 Feb 2026 22:27:03 +0800
Subject: [PATCH] fix: Show Labels and Show Overhang toggles not being saved
 (#12218)

* fix: Show Labels and Show Overhang toggles not being saved

* refactor: use get_bool and add comments
---
 src/libslic3r/AppConfig.cpp   |  6 ++++++
 src/slic3r/GUI/GLCanvas3D.cpp |  5 +++++
 src/slic3r/GUI/Plater.cpp     | 13 +++++++++++--
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/libslic3r/AppConfig.cpp b/src/libslic3r/AppConfig.cpp
index bf21a965fa..a9f04aae19 100644
--- a/src/libslic3r/AppConfig.cpp
+++ b/src/libslic3r/AppConfig.cpp
@@ -252,6 +252,12 @@ void AppConfig::set_defaults()
     if (get("show_axes").empty())
         set_bool("show_axes", true);
 
+    if (get("show_labels").empty())
+        set_bool("show_labels", false);
+
+    if (get("show_overhang").empty())
+        set_bool("show_overhang", false);
+
 #ifdef _WIN32
 
 //#ifdef SUPPORT_3D_CONNEXION
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index fd9d1da218..91210b0786 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -1250,6 +1250,11 @@ bool GLCanvas3D::init()
     on_change_color_mode(wxGetApp().app_config->get("dark_color_mode") == "1", false);
 
     m_show_world_axes = wxGetApp().app_config->get("show_axes") == "true";
+    
+    // Controls the display of object names directly over the object
+    m_labels.show(wxGetApp().app_config->get_bool("show_labels"));
+    // Controls the color coding of overhang surfaces
+    m_slope.globalUse(wxGetApp().app_config->get_bool("show_labels"));
 
     BOOST_LOG_TRIVIAL(info) <<__FUNCTION__<< " enter";
     glsafe(::glClearColor(1.0f, 1.0f, 1.0f, 1.0f));
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index ab982260d6..7aa9a24cd3 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -4341,12 +4341,21 @@ struct Plater::priv
     bool is_assemble_view_show() const { return current_panel == assemble_view; }
 
     bool are_view3D_labels_shown() const { return (current_panel == view3D) && view3D->get_canvas3d()->are_labels_shown(); }
-    void show_view3D_labels(bool show) { if (current_panel == view3D) view3D->get_canvas3d()->show_labels(show); }
+    void show_view3D_labels(bool show)
+    {
+        if (current_panel == view3D) { 
+            view3D->get_canvas3d()->show_labels(show);
+            wxGetApp().app_config->set_bool("show_labels", show);
+        }
+    }
 
     bool is_view3D_overhang_shown() const { return (current_panel == view3D) && view3D->get_canvas3d()->is_overhang_shown(); }
     void show_view3D_overhang(bool show)
     {
-        if (current_panel == view3D) view3D->get_canvas3d()->show_overhang(show);
+        if (current_panel == view3D) { 
+            view3D->get_canvas3d()->show_overhang(show);
+            wxGetApp().app_config->set_bool("show_overhang", show);
+        }
     }
 
     void enable_sidebar(bool enabled);