UWP/WinRT: Fix Compiling on UWP

Author: SternXD

src/SDL.c

@@ -69,7 +69,7 @@
 
 // Initialization/Cleanup routines
 #include "timer/SDL_timer_c.h"
-#ifdef SDL_PLATFORM_WINDOWS
+#if defined(SDL_PLATFORM_WINDOWS) && !defined(SDL_PLATFORM_WINRT) && !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
 extern bool SDL_HelperWindowCreate(void);
 extern void SDL_HelperWindowDestroy(void);
 #endif
@@ -323,7 +323,7 @@ bool SDL_InitSubSystem(SDL_InitFlags flags)
     SDL_DBus_Init();
 #endif
 
-#ifdef SDL_PLATFORM_WINDOWS
+#if defined(SDL_PLATFORM_WINDOWS) && !defined(SDL_PLATFORM_WINRT) && !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
     if (flags & (SDL_INIT_HAPTIC | SDL_INIT_JOYSTICK)) {
         if (!SDL_HelperWindowCreate()) {
             goto quit_and_error;
@@ -659,7 +659,7 @@ void SDL_Quit(void)
     SDL_bInMainQuit = true;
 
     // Quit all subsystems
-#ifdef SDL_PLATFORM_WINDOWS
+#if defined(SDL_PLATFORM_WINDOWS) && !defined(SDL_PLATFORM_WINRT) && !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
     SDL_HelperWindowDestroy();
 #endif
     SDL_QuitSubSystem(SDL_INIT_EVERYTHING);

src/core/windows/SDL_windows.c

@@ -45,6 +45,7 @@ typedef enum RO_INIT_TYPE
 #define WC_ERR_INVALID_CHARS 0x00000080
 #endif
 
+#if !defined(SDL_PLATFORM_WINRT) && !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
 // Dark mode support
 typedef enum {
     UXTHEME_APPMODE_DEFAULT,
@@ -82,7 +83,7 @@ typedef void (WINAPI *RefreshImmersiveColorPolicyState_t)(void);
 typedef UxthemePreferredAppMode (WINAPI *SetPreferredAppMode_t)(UxthemePreferredAppMode);
 typedef BOOL (WINAPI *SetWindowCompositionAttribute_t)(HWND, const WINDOWCOMPOSITIONATTRIBDATA *);
 typedef void (NTAPI *RtlGetVersion_t)(NT_OSVERSIONINFOW *);
-
+#endif
 // Fake window to help with DirectInput events.
 HWND SDL_HelperWindow = NULL;
 static const TCHAR *SDL_HelperWindowClassName = TEXT("SDLHelperWindowInputCatcher");
@@ -154,6 +155,20 @@ void SDL_HelperWindowDestroy(void)
         SDL_HelperWindowClass = 0;
     }
 }
+#else
+// Stub implementations for UWP/Xbox platforms
+HWND SDL_HelperWindow = NULL;
+
+bool SDL_HelperWindowCreate(void)
+{
+    return true; // No-op for UWP/Xbox
+}
+
+void SDL_HelperWindowDestroy(void)
+{
+    // No-op for UWP/Xbox
+}
+#endif
 
 // Sets an error message based on an HRESULT
 bool WIN_SetErrorFromHRESULT(const char *prefix, HRESULT hr)