Add a Window visibility toggle button to the Scene tree

editor/scene_tree_editor.cpp

@@ -390,7 +390,7 @@ void SceneTreeEditor::_add_nodes(Node *p_node, TreeItem *p_parent) {
 			}
 
 			_update_visibility_color(p_node, item);
-		} else if (p_node->is_class("CanvasLayer")) {
+		} else if (p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
 			bool v = p_node->call("is_visible");
 			if (v) {
 				item->add_button(0, get_theme_icon(SNAME("GuiVisibilityVisible"), SNAME("EditorIcons")), BUTTON_VISIBILITY, false, TTR("Toggle Visibility"));
@@ -480,10 +480,7 @@ void SceneTreeEditor::_node_visibility_changed(Node *p_node) {
 
 	bool visible = false;
 
-	if (p_node->is_class("CanvasItem")) {
-		visible = p_node->call("is_visible");
-		CanvasItemEditor::get_singleton()->get_viewport_control()->update();
-	} else if (p_node->is_class("CanvasLayer")) {
+	if (p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
 		visible = p_node->call("is_visible");
 		CanvasItemEditor::get_singleton()->get_viewport_control()->update();
 	} else if (p_node->is_class("Node3D")) {
@@ -529,7 +526,7 @@ void SceneTreeEditor::_node_removed(Node *p_node) {
 		p_node->disconnect("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed));
 	}
 
-	if (p_node->is_class("Node3D") || p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer")) {
+	if (p_node->is_class("Node3D") || p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
 		if (p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
 			p_node->disconnect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed));
 		}