winex11: Move x11drv_post_drop to xdnd.c.

dlls/winex11.drv/event.c

@@ -1478,16 +1478,8 @@ static HWND find_drop_window( HWND hQueryWnd, LPPOINT lpPt )
 
 static void post_drop( HWND hwnd, DROPFILES *drop, ULONG size )
 {
-    HDROP handle;
-
-    if ((handle = GlobalAlloc( GMEM_SHARE, size )))
-    {
-        DROPFILES *ptr = GlobalLock( handle );
-        memcpy( ptr, drop, size );
-        ptr->fWide = TRUE;
-        GlobalUnlock( handle );
-        PostMessageW( hwnd, WM_DROPFILES, (WPARAM)handle, 0 );
-    }
+    drop->fWide = HandleToUlong( hwnd ); /* abuse fWide to pass window handle */
+    x11drv_post_drop( drop, size );
 }
 
 /**********************************************************************

dlls/winex11.drv/x11drv.h

@@ -846,6 +846,8 @@ static inline BOOL is_window_rect_mapped( const RECT *rect )
 extern NTSTATUS x11drv_init( void *arg ) DECLSPEC_HIDDEN;
 extern NTSTATUS x11drv_clipboard_message( void *arg ) DECLSPEC_HIDDEN;
 
+extern NTSTATUS WINAPI x11drv_post_drop( void *data, ULONG size ) DECLSPEC_HIDDEN;
+
 /* GDI helpers */
 
 static inline BOOL lp_to_dp( HDC hdc, POINT *points, INT count )

dlls/winex11.drv/xdnd.c

@@ -748,3 +748,21 @@ UINT handle_dnd_event( void *params )
         return 0;
     }
 }
+
+NTSTATUS WINAPI x11drv_post_drop( void *data, ULONG size )
+{
+    HDROP handle;
+
+    if ((handle = GlobalAlloc( GMEM_SHARE, size )))
+    {
+        DROPFILES *ptr = GlobalLock( handle );
+        HWND hwnd;
+        memcpy( ptr, data, size );
+        hwnd = UlongToHandle( ptr->fWide );
+        ptr->fWide = TRUE;
+        GlobalUnlock( handle );
+        PostMessageW( hwnd, WM_DROPFILES, (WPARAM)handle, 0 );
+    }
+
+    return 0;
+}