Merge pull request #68853 from Maran23/3-x-tooltip-fix

Fix Tooltips do not work properly when selecting multiple nodes (MultiNodeEdit)

editor/editor_inspector.cpp

@@ -1655,7 +1655,10 @@ void EditorInspector::update_tree() {
 			StringName classname = object->get_class_name();
 			if (object_class != String()) {
 				classname = object_class;
+			} else if (Object::cast_to<MultiNodeEdit>(object)) {
+				classname = Object::cast_to<MultiNodeEdit>(object)->get_edited_class_name();
 			}
+
 			StringName propname = property_prefix + p.name;
 			String descr;
 			bool found = false;

editor/multi_node_edit.cpp

@@ -197,6 +197,60 @@ NodePath MultiNodeEdit::get_node(int p_index) const {
 	return nodes[p_index];
 }
 
+StringName MultiNodeEdit::get_edited_class_name() const {
+	Node *es = EditorNode::get_singleton()->get_edited_scene();
+	if (!es) {
+		return StringName("Node");
+	}
+
+	// Get the class name of the first node.
+	StringName class_name;
+	for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {
+		Node *node = es->get_node_or_null(E->get());
+		if (!node) {
+			continue;
+		}
+
+		class_name = node->get_class_name();
+		break;
+	}
+
+	if (class_name == StringName()) {
+		return StringName("Node");
+	}
+
+	bool check_again = true;
+	while (check_again) {
+		check_again = false;
+
+		if (class_name == StringName("Node") || class_name == StringName()) {
+			// All nodes inherit from Node, so no need to continue checking.
+			return StringName("Node");
+		}
+
+		// Check that all nodes inherit from class_name.
+		for (const List<NodePath>::Element *E = nodes.front(); E; E = E->next()) {
+			Node *node = es->get_node_or_null(E->get());
+			if (!node) {
+				continue;
+			}
+
+			const StringName node_class_name = node->get_class_name();
+			if (class_name == node_class_name || ClassDB::is_parent_class(node_class_name, class_name)) {
+				// class_name is the same or a parent of the node's class.
+				continue;
+			}
+
+			// class_name is not a parent of the node's class, so check again with the parent class.
+			class_name = ClassDB::get_parent_class(class_name);
+			check_again = true;
+			break;
+		}
+	}
+
+	return class_name;
+}
+
 void MultiNodeEdit::set_property_field(const StringName &p_property, const Variant &p_value, const String &p_field) {
 	_set_impl(p_property, p_value, p_field);
 }

editor/multi_node_edit.h

@@ -55,6 +55,7 @@ public:
 
 	int get_node_count() const;
 	NodePath get_node(int p_index) const;
+	StringName get_edited_class_name() const;
 
 	void set_property_field(const StringName &p_property, const Variant &p_value, const String &p_field);