From bc793651f4e4585c1469312a39a0d50adf0e7ad1 Mon Sep 17 00:00:00 2001
From: Raphael Coeffic <raphael.coeffic@frafos.com>
Date: Sat, 30 Apr 2022 08:12:46 +0200
Subject: [PATCH] window: avoid window_event_cb to be called on destroyed
 children

This uses quite some CPU resources because of the refocus happening when FormFields are cleared.
---
 radio/src/thirdparty/libopenui/src/window.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/radio/src/thirdparty/libopenui/src/window.cpp b/radio/src/thirdparty/libopenui/src/window.cpp
index 948768a70..f696ed2f6 100644
--- a/radio/src/thirdparty/libopenui/src/window.cpp
+++ b/radio/src/thirdparty/libopenui/src/window.cpp
@@ -299,6 +299,7 @@ void Window::clearLvgl()
       window->clearLvgl();
   }
 
+  lv_obj_remove_event_cb(lvobj, window_event_cb);
   lv_obj_set_user_data(lvobj, nullptr);
   lv_group_remove_obj(lvobj);
   lvobj = nullptr;