- Do not call XConfigureWindow if SetWindowPos was called due to a
  received ConfigureNotify event (to avoid recursion).
- Use XTranslateCoordinates in EVENT_GetGeometry instead of manually
  walking the tree.
- Set XSizeHint.win_gravity to StaticGravity for managed windows.

include/winuser.h

diff --git a/include/winuser.h b/include/winuser.h
index 5118fac..88d9f85 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -2336,6 +2336,7 @@
 
 #define SWP_NOSENDCHANGING  0x0400
 #define SWP_DEFERERASE      0x2000
+#define SWP_ASYNCWINDOWPOS  0x4000
 
 #define HWND_DESKTOP        ((HWND)0)
 #define HWND_BROADCAST      ((HWND)0xffff)
@@ -3542,7 +3543,7 @@
 HHOOK       WINAPI SetWindowsHookExA(INT,HOOKPROC,HINSTANCE,DWORD);
 HHOOK       WINAPI SetWindowsHookExW(INT,HOOKPROC,HINSTANCE,DWORD);
 #define     SetWindowsHookEx WINELIB_NAME_AW(SetWindowsHookEx)
-BOOL      WINAPI SetWindowPos(HWND,HWND,INT,INT,INT,INT,WORD);
+BOOL      WINAPI SetWindowPos(HWND,HWND,INT,INT,INT,INT,UINT);
 INT       WINAPI SetWindowRgn(HWND,HRGN,BOOL);
 BOOL      WINAPI SetWindowTextA(HWND,LPCSTR);
 BOOL      WINAPI SetWindowTextW(HWND,LPCWSTR);