From d5067187362ff15d0e44afbb0a3e4952571795bd Mon Sep 17 00:00:00 2001
From: Haoyu Qiu <timothyqiu32@gmail.com>
Date: Mon, 16 May 2022 09:38:48 +0800
Subject: [PATCH] Fix crash when editing pinned StyleBox

(cherry picked from commit 4b013a9c967ecc063801b3d4a0e833dcbc865f83)
---
 editor/plugins/theme_editor_plugin.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/editor/plugins/theme_editor_plugin.cpp b/editor/plugins/theme_editor_plugin.cpp
index 2c7777c428b..12a03a3f1b3 100644
--- a/editor/plugins/theme_editor_plugin.cpp
+++ b/editor/plugins/theme_editor_plugin.cpp
@@ -2682,11 +2682,13 @@ void ThemeTypeEditor::_update_stylebox_from_leading() {
 	edited_theme->get_stylebox_list(edited_type, &names);
 	List<Ref<StyleBox>> styleboxes;
 	for (List<StringName>::Element *E = names.front(); E; E = E->next()) {
-		if (E->get() == leading_stylebox.item_name) {
+		Ref<StyleBox> sb = edited_theme->get_stylebox(E->get(), edited_type);
+
+		// Avoid itself, stylebox can be shared between items.
+		if (sb == leading_stylebox.stylebox) {
 			continue;
 		}
 
-		Ref<StyleBox> sb = edited_theme->get_stylebox(E->get(), edited_type);
 		if (sb->get_class() == leading_stylebox.stylebox->get_class()) {
 			styleboxes.push_back(sb);
 		}