Do not allow editing Scene-inherited signal connections

Inherited connections are also highlighted with the warning color in the Node dock.

2 files changed, 6 insertions, 2 deletions

diff --git a/scene/resources/packed_scene.cpp b/scene/resources/packed_scene.cpp
index e0bedad595..85a207b34e 100644
--- a/scene/resources/packed_scene.cpp
+++ b/scene/resources/packed_scene.cpp
@@ -1546,7 +1546,7 @@ Array SceneState::get_connection_binds(int p_idx) const {
 	return binds;
 }
 
-bool SceneState::has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method) {
+bool SceneState::has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method, bool p_no_inheritance) {
 	// this method cannot be const because of this
 	Ref<SceneState> ss = this;
 
@@ -1578,6 +1578,10 @@ bool SceneState::has_connection(const NodePath &p_node_from, const StringName &p
 			}
 		}
 
+		if (p_no_inheritance) {
+			break;
+		}
+
 		ss = ss->get_base_scene_state();
 	} while (ss.is_valid());
 
diff --git a/scene/resources/packed_scene.h b/scene/resources/packed_scene.h
index 8e1a1d29b6..c6f82ddd5e 100644
--- a/scene/resources/packed_scene.h
+++ b/scene/resources/packed_scene.h
@@ -176,7 +176,7 @@ public:
 	int get_connection_unbinds(int p_idx) const;
 	Array get_connection_binds(int p_idx) const;
 
-	bool has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method);
+	bool has_connection(const NodePath &p_node_from, const StringName &p_signal, const NodePath &p_node_to, const StringName &p_method, bool p_no_inheritance = false);
 
 	Vector<NodePath> get_editable_instances() const;