From 557a1f6232ae3afb77f5aa281462140f1ee5e165 Mon Sep 17 00:00:00 2001
From: kobewi <kobewi4e@gmail.com>
Date: Thu, 15 Jul 2021 18:19:29 +0200
Subject: [PATCH] [3.x] Update Tree when modified

---
 scene/gui/tree.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/scene/gui/tree.cpp b/scene/gui/tree.cpp
index ada4687b738..5b0c9084b51 100644
--- a/scene/gui/tree.cpp
+++ b/scene/gui/tree.cpp
@@ -436,6 +436,10 @@ void TreeItem::remove_child(TreeItem *p_item) {
 		c = &(*c)->next;
 	}
 
+	if (tree) {
+		tree->update();
+	}
+
 	ERR_FAIL();
 }
 
@@ -844,7 +848,9 @@ TreeItem::~TreeItem() {
 	clear_children();
 
 	if (parent) {
-		parent->remove_child(this);
+		parent->remove_child(this); // Also updates the Tree.
+	} else if (tree) {
+		tree->update();
 	}
 
 	if (tree && tree->root == this) {