From 0677982c8b94a67de996ea46286ca698f3b0d19e Mon Sep 17 00:00:00 2001
From: Kacper Donat <kadet1090@gmail.com>
Date: Tue, 9 Sep 2025 21:27:03 +0200
Subject: [PATCH] Gui: Fix segfault in ViewProviderPlane::getRole

---
 src/Gui/ViewProviderPlane.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Gui/ViewProviderPlane.cpp b/src/Gui/ViewProviderPlane.cpp
index 9b68a79c59..b5c8ba7ca9 100644
--- a/src/Gui/ViewProviderPlane.cpp
+++ b/src/Gui/ViewProviderPlane.cpp
@@ -170,6 +170,10 @@ void ViewProviderPlane::onSelectionChanged(const SelectionChanges&)
 
 void ViewProviderPlane::updatePlaneSize()
 {
+    if (!pcObject->isAttachedToDocument()) {
+        return;
+    }
+
     const auto params = ViewParams::instance();
 
     const float size = params->getDatumPlaneSize() * Base::fromPercent(params->getDatumScale());
@@ -230,6 +234,11 @@ std::string ViewProviderPlane::getRole() const
 {
     // Note: Role property of App::Plane is not set yet when attaching.
     const char* name = pcObject->getNameInDocument();
+
+    if (!pcObject->isAttachedToDocument()) {
+        return "";
+    }
+
     auto planesRoles = App::LocalCoordinateSystem::PlaneRoles;
     if (strncmp(name, planesRoles[0], strlen(planesRoles[0])) == 0) {
         return planesRoles[0];