From caffa9acc0cd194a9634f8734533df7041c7b308 Mon Sep 17 00:00:00 2001
From: Ian Harrigan <ianharrigan@hotmail.com>
Date: Mon, 5 Dec 2022 08:27:58 +0100
Subject: [PATCH] hide dropdown when button (or ancestor) is hidden

---
 haxe/ui/components/DropDown.hx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/haxe/ui/components/DropDown.hx b/haxe/ui/components/DropDown.hx
index 141698c17..9547943bb 100644
--- a/haxe/ui/components/DropDown.hx
+++ b/haxe/ui/components/DropDown.hx
@@ -621,11 +621,13 @@ class DropDownEvents extends ButtonEvents {
     public override function register() {
         super.register();
         registerEvent(MouseEvent.MOUSE_DOWN, onClick);
+        registerEvent(UIEvent.HIDDEN, onHidden);
     }
 
     public override function unregister() {
         super.unregister();
         unregisterEvent(MouseEvent.MOUSE_DOWN, onClick);
+        unregisterEvent(UIEvent.HIDDEN, onHidden);
     }
 
     private function onClick(event:MouseEvent) {
@@ -637,6 +639,10 @@ class DropDownEvents extends ButtonEvents {
         }
     }
 
+    private function onHidden(_) {
+        hideDropDown();
+    }
+
     private override function onMouseClick(event:MouseEvent) {
         // do nothing
     }