winex11: Use NtUserGetThreadInfo to access thread data.

dlls/win32u/sysparams.c

@@ -4638,9 +4638,6 @@ ULONG_PTR WINAPI NtUserCallNoParam( ULONG code )
     case NtUserCallNoParam_GetInputState:
         return get_input_state();
 
-    case NtUserCallNoParam_GetMessagePos:
-        return NtUserGetThreadInfo()->message_pos;
-
     case NtUserCallNoParam_ReleaseCapture:
         return release_capture();
 

dlls/winex11.drv/event.c

@@ -572,7 +572,7 @@ static void set_input_focus( struct x11drv_win_data *data )
     if (EVENT_x11_time_to_win32_time(0))
         /* ICCCM says don't use CurrentTime, so try to use last message time if possible */
         /* FIXME: this is not entirely correct */
-        timestamp = GetMessageTime() - EVENT_x11_time_to_win32_time(0);
+        timestamp = NtUserGetThreadInfo()->message_time - EVENT_x11_time_to_win32_time(0);
     else
         timestamp = CurrentTime;
 

dlls/winex11.drv/mouse.c

@@ -1617,7 +1617,7 @@ void move_resize_window( HWND hwnd, int dir )
 
     if (!(win = X11DRV_get_whole_window( hwnd ))) return;
 
-    pt = NtUserGetMessagePos();
+    pt = NtUserGetThreadInfo()->message_pos;
     pos = virtual_screen_to_root( (short)LOWORD( pt ), (short)HIWORD( pt ) );
 
     if (NtUserGetKeyState( VK_LBUTTON ) & 0x8000) button = 1;

include/ntuser.h

@@ -596,7 +596,6 @@ enum
 {
     NtUserCallNoParam_GetDesktopWindow,
     NtUserCallNoParam_GetInputState,
-    NtUserCallNoParam_GetMessagePos,
     NtUserCallNoParam_ReleaseCapture,
     /* temporary exports */
     NtUserExitingThread,
@@ -614,11 +613,6 @@ static inline BOOL NtUserGetInputState(void)
     return NtUserCallNoParam( NtUserCallNoParam_GetInputState );
 }
 
-static inline DWORD NtUserGetMessagePos(void)
-{
-    return NtUserCallNoParam( NtUserCallNoParam_GetMessagePos );
-}
-
 static inline BOOL NtUserReleaseCapture(void)
 {
     return NtUserCallNoParam( NtUserCallNoParam_ReleaseCapture );