GDK build: fix Xbox targets

src/video/windows/SDL_windowsevents.c

@@ -1004,6 +1004,7 @@ static SDL_bool SkipAltGrLeftControl(WPARAM wParam, LPARAM lParam)
         return SDL_FALSE;
     }
 
+#if !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
     // Here is a trick: "Alt Gr" sends LCTRL, then RALT. We only
     // want the RALT message, so we try to see if the next message
     // is a RALT message. In that case, this is a false LCTRL!
@@ -1018,6 +1019,8 @@ static SDL_bool SkipAltGrLeftControl(WPARAM wParam, LPARAM lParam)
             }
         }
     }
+#endif /* !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES) */
+
     return SDL_FALSE;
 }
 
@@ -2299,10 +2302,10 @@ void WIN_PumpEvents(SDL_VideoDevice *_this)
 
     WIN_CheckKeyboardAndMouseHotplug(_this, SDL_FALSE);
 
-#endif /*!defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)*/
-
     WIN_UpdateIMECandidates(_this);
 
+#endif /*!defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)*/
+
 #ifdef SDL_PLATFORM_GDK
     GDK_DispatchTaskQueue();
 #endif

src/video/windows/SDL_windowsvideo.h

@@ -345,6 +345,7 @@ typedef struct
     void *data;
 } TSFSink;
 
+#ifndef SDL_DISABLE_WINDOWS_IME
 /* Definition from Win98DDK version of IMM.H */
 typedef struct tagINPUTCONTEXT2
 {
@@ -370,6 +371,7 @@ typedef struct tagINPUTCONTEXT2
     DWORD fdwInit;
     DWORD dwReserve[3];
 } INPUTCONTEXT2, *PINPUTCONTEXT2, NEAR *NPINPUTCONTEXT2, FAR *LPINPUTCONTEXT2;
+#endif
 
 /* Private display data */
 
@@ -458,8 +460,10 @@ struct SDL_VideoData
     SDL_bool ime_horizontal_candidates;
 #endif
 
+#if !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES)
     COMPOSITIONFORM ime_composition_area;
     CANDIDATEFORM ime_candidate_area;
+#endif /* !defined(SDL_PLATFORM_XBOXONE) && !defined(SDL_PLATFORM_XBOXSERIES) */
 
 #ifndef SDL_DISABLE_WINDOWS_IME
     HKL ime_hkl;