From 45e943f4fe9df34b86c649f99a91e5e8baeaf63c Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Wed, 6 Oct 2021 14:32:21 +0800
Subject: [PATCH] Fix crash when tooltip_request_func object is freed

---
 scene/gui/text_edit.cpp | 4 +++-
 scene/gui/text_edit.h   | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 57bcbb7c2d8..6370ea9c951 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -2399,6 +2399,7 @@ Control::CursorShape TextEdit::get_cursor_shape(const Point2 &p_pos) const {
 }
 
 String TextEdit::get_tooltip(const Point2 &p_pos) const {
+	Object *tooltip_obj = ObjectDB::get_instance(tooltip_obj_id);
 	if (!tooltip_obj) {
 		return Control::get_tooltip(p_pos);
 	}
@@ -2421,7 +2422,8 @@ String TextEdit::get_tooltip(const Point2 &p_pos) const {
 }
 
 void TextEdit::set_tooltip_request_func(Object *p_obj, const StringName &p_function, const Variant &p_udata) {
-	tooltip_obj = p_obj;
+	ERR_FAIL_NULL(p_obj);
+	tooltip_obj_id = p_obj->get_instance_id();
 	tooltip_func = p_function;
 	tooltip_ud = p_udata;
 }
diff --git a/scene/gui/text_edit.h b/scene/gui/text_edit.h
index 07e585847aa..3230de776f0 100644
--- a/scene/gui/text_edit.h
+++ b/scene/gui/text_edit.h
@@ -330,7 +330,7 @@ private:
 	int _get_column_pos_of_word(const String &p_key, const String &p_search, uint32_t p_search_flags, int p_from_column) const;
 
 	/* Tooltip. */
-	Object *tooltip_obj = nullptr;
+	ObjectID tooltip_obj_id;
 	StringName tooltip_func;
 	Variant tooltip_ud;