From 392f84c1b18201f48a55ee7cd04bcd0a19b7b843 Mon Sep 17 00:00:00 2001
From: Inori <strix@struma.me>
Date: Tue, 27 Aug 2019 10:43:30 -0400
Subject: [PATCH] Use native SetWindowLong on Windows

---
 README.md        | 2 +-
 src/fake-api.cpp | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e133179f..93dba973 100644
--- a/README.md
+++ b/README.md
@@ -104,7 +104,7 @@ mkxp-z provides limited support for some WinAPI functions that would normally br
 * `SetWindowTextA`: Sets the window title.
 * `GetWindowRect`: Returns the screen coordinates of the game window's corners.
 * `RegisterHotKey`: No-op. pls no disabling SDL's precious fullscreen.
-* `SetWindowLong`: Only supports switching between fullscreen/windowed modes. Always returns `571`.
+* `SetWindowLong`: Native SetWindowLong on Windows. Everywhere else, only supports switching between fullscreen/windowed modes and always returns `571`.
 * `GetKeyboardState`: On Windows, adds states for Shift based on SDL's keystates. Emulated everywhere else.
 
 #### macOS/Linux
diff --git a/src/fake-api.cpp b/src/fake-api.cpp
index fa9d654b..6182129c 100644
--- a/src/fake-api.cpp
+++ b/src/fake-api.cpp
@@ -337,6 +337,9 @@ NOP_VAL(true)
 PREFABI LONG
 MKXP_SetWindowLong(HWND hWnd, int nIndex, LONG dwNewLong)
 {
+#ifdef __WIN32__
+    return SetWindowLong(hWnd, nIndex, dwNewLong);
+#else
     if (nIndex == -16)
     {
         if (dwNewLong == 0)
@@ -349,6 +352,7 @@ MKXP_SetWindowLong(HWND hWnd, int nIndex, LONG dwNewLong)
         }
     }
     return DUMMY_VAL;
+#endif
 };
 
 // Shift key with GetKeyboardState doesn't work for whatever reason,