From 9d89ea0538cca73b7f8f659380eec698c751b2bb Mon Sep 17 00:00:00 2001
From: momo <2438833481@qq.com>
Date: Tue, 8 Jul 2025 17:22:08 +0800
Subject: [PATCH 1/3] add global guard in SelectEntities eventFilter to avoid
 null pointer crash on render engine failure

Signed-off-by: momo <2438833481@qq.com>
---
 src/gui/plugins/select_entities/SelectEntities.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gui/plugins/select_entities/SelectEntities.cc b/src/gui/plugins/select_entities/SelectEntities.cc
index 2e6e872a21..2f61fdf8ba 100644
--- a/src/gui/plugins/select_entities/SelectEntities.cc
+++ b/src/gui/plugins/select_entities/SelectEntities.cc
@@ -478,6 +478,11 @@ void SelectEntities::LoadConfig(const tinyxml2::XMLElement *)
 /////////////////////////////////////////////////
 bool SelectEntities::eventFilter(QObject *_obj, QEvent *_event)
 {
+  if (!this->dataPtr->scene)
+  {
+    if (_event->type() != gz::gui::events::Render::kType)
+      return QObject::eventFilter(_obj, _event);
+  }
   if (_event->type() == gz::gui::events::LeftClickOnScene::kType)
   {
     gz::gui::events::LeftClickOnScene *_e =

From c9be6674401e3f288fa915175696d6908d3da5d5 Mon Sep 17 00:00:00 2001
From: momo <2438833481@qq.com>
Date: Tue, 8 Jul 2025 17:34:27 +0800
Subject: [PATCH 2/3] add a new line after codecheck

Signed-off-by: momo <2438833481@qq.com>
---
 src/gui/plugins/select_entities/SelectEntities.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gui/plugins/select_entities/SelectEntities.cc b/src/gui/plugins/select_entities/SelectEntities.cc
index 2f61fdf8ba..2fbdbc4538 100644
--- a/src/gui/plugins/select_entities/SelectEntities.cc
+++ b/src/gui/plugins/select_entities/SelectEntities.cc
@@ -598,3 +598,4 @@ bool SelectEntities::eventFilter(QObject *_obj, QEvent *_event)
 // Register this plugin
 GZ_ADD_PLUGIN(gz::sim::gui::SelectEntities,
                     gz::gui::Plugin)
+

From c497842aad01ac16db31427fd9a425d09c40fa70 Mon Sep 17 00:00:00 2001
From: momo <2438833481@qq.com>
Date: Tue, 8 Jul 2025 19:09:06 +0800
Subject: [PATCH 3/3] delete blank line

Signed-off-by: momo <2438833481@qq.com>
---
 src/gui/plugins/select_entities/SelectEntities.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/gui/plugins/select_entities/SelectEntities.cc b/src/gui/plugins/select_entities/SelectEntities.cc
index 2fbdbc4538..2f61fdf8ba 100644
--- a/src/gui/plugins/select_entities/SelectEntities.cc
+++ b/src/gui/plugins/select_entities/SelectEntities.cc
@@ -598,4 +598,3 @@ bool SelectEntities::eventFilter(QObject *_obj, QEvent *_event)
 // Register this plugin
 GZ_ADD_PLUGIN(gz::sim::gui::SelectEntities,
                     gz::gui::Plugin)
-