From 4dea507e509ac473f01479c2ff00cc3887785721 Mon Sep 17 00:00:00 2001
From: Hielke Morsink <hielke.morsink@gmail.com>
Date: Mon, 3 Jun 2019 22:49:45 +0200
Subject: [PATCH] Fix #9360: sticky windows can be closed

---
 src/openrct2/interface/Window.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/openrct2/interface/Window.cpp b/src/openrct2/interface/Window.cpp
index 0bea48d6fc..8a27297683 100644
--- a/src/openrct2/interface/Window.cpp
+++ b/src/openrct2/interface/Window.cpp
@@ -363,12 +363,14 @@ void window_close_all()
 {
     window_close_by_class(WC_DROPDOWN);
 
-    auto it = g_window_list.begin();
-    while (it != g_window_list.end())
+    for (auto it = g_window_list.begin(); it != g_window_list.end();)
     {
         auto itNext = std::next(it);
         auto w = it->get();
-        window_close(w);
+        if (!(w->flags & (WF_STICK_TO_BACK | WF_STICK_TO_FRONT)))
+        {
+            window_close(w);
+        }
         it = itNext;
     }
 }