From 43886e1fdf1fbb0502e677a19a4dcf2ea2b4d224 Mon Sep 17 00:00:00 2001
From: Bertrand Songis <bsongis@gmail.com>
Date: Wed, 20 May 2020 11:13:01 +0200
Subject: [PATCH] Expansion panel fix

---
 radio/src/thirdparty/libopenui/src/expansion_panel.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/radio/src/thirdparty/libopenui/src/expansion_panel.h b/radio/src/thirdparty/libopenui/src/expansion_panel.h
index 0a9e7bb3c..26ce33af4 100644
--- a/radio/src/thirdparty/libopenui/src/expansion_panel.h
+++ b/radio/src/thirdparty/libopenui/src/expansion_panel.h
@@ -72,9 +72,11 @@ class ExpansionPanel: public FormGroup {
 
     void updateHeight()
     {
+      coord_t previousHeight = height();
+      coord_t previousBottom = bottom();
       body->adjustInnerHeight();
       coord_t newHeight = (isOpen ? header->height() + body->height() : header->height());
-      parent->moveWindowsTop(bottom(), newHeight - height());
+      parent->moveWindowsTop(previousBottom, newHeight - previousHeight);
       setHeight(newHeight);
     }