From 847a87f1645d273caef85041c334a5b65c43a636 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Sat, 30 Sep 2023 15:31:00 -0700
Subject: [PATCH] UI: Fix crash on input with no screens.

---
 Common/UI/Screen.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Common/UI/Screen.cpp b/Common/UI/Screen.cpp
index 0a16161db0..0851469985 100644
--- a/Common/UI/Screen.cpp
+++ b/Common/UI/Screen.cpp
@@ -119,6 +119,8 @@ bool ScreenManager::key(const KeyInput &key) {
 
 void ScreenManager::axis(const AxisInput *axes, size_t count) {
 	std::lock_guard<std::recursive_mutex> guard(inputLock_);
+	if (stack_.empty())
+		return;
 	stack_.back().screen->UnsyncAxis(axes, count);
 }