From 51a5c8e69d75dba02c3b87e22f189b0ecefd52dd Mon Sep 17 00:00:00 2001
From: Esme Povirk <madewokherd@gmail.com>
Date: Wed, 8 Mar 2023 13:58:50 -0600
Subject: [PATCH] Change the default OverlayBox implementations.

Win32LayeredBox is preferable on Windows because of
WS_EX_TRANSPARENT.

Otherwise, the split window approach is simpler.
---
 xalia/Sdl/Win32WindowingSystem.cs | 2 +-
 xalia/Sdl/WindowingSystem.cs      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/xalia/Sdl/Win32WindowingSystem.cs b/xalia/Sdl/Win32WindowingSystem.cs
index 94e14c2..c825d93 100644
--- a/xalia/Sdl/Win32WindowingSystem.cs
+++ b/xalia/Sdl/Win32WindowingSystem.cs
@@ -36,7 +36,7 @@ public override Task ShowKeyboardAsync()
 
         public override OverlayBox CreateOverlayBox()
         {
-            if (Utils.TryGetEnvironmentVariable("XALIA_LAYERED_BOX", out var value) &&
+            if (!Utils.TryGetEnvironmentVariable("XALIA_LAYERED_BOX", out var value) ||
                 value != "0")
                 return new Win32LayeredBox(this);
             return base.CreateOverlayBox();
diff --git a/xalia/Sdl/WindowingSystem.cs b/xalia/Sdl/WindowingSystem.cs
index 40cdc16..987420c 100644
--- a/xalia/Sdl/WindowingSystem.cs
+++ b/xalia/Sdl/WindowingSystem.cs
@@ -48,7 +48,7 @@ public static WindowingSystem Instance
 
         public virtual OverlayBox CreateOverlayBox()
         {
-            if (Utils.TryGetEnvironmentVariable("XALIA_SPLIT_BOX", out var value) &&
+            if (!Utils.TryGetEnvironmentVariable("XALIA_SPLIT_BOX", out var value) ||
                 value != "0")
                 return new SplitOverlayBox(this);
             return new SdlOverlayBox(this);