From d35de81a76ac2ef38729b0c67589ee0be1345dcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Sat, 26 May 2018 17:50:37 +0200
Subject: [PATCH] Check for a valid screen manager in NativeIsAtTopLevel

---
 UI/NativeApp.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/UI/NativeApp.cpp b/UI/NativeApp.cpp
index c822702b49..1f7ee8509e 100644
--- a/UI/NativeApp.cpp
+++ b/UI/NativeApp.cpp
@@ -1004,6 +1004,11 @@ void NativeUpdate() {
 }
 
 bool NativeIsAtTopLevel() {
+	// This might need some synchronization?
+	if (!screenManager) {
+		ELOG("No screen manager active");
+		return false;
+	}
 	Screen *currentScreen = screenManager->topScreen();
 	if (currentScreen) {
 		bool top = currentScreen->isTopLevel();