Alexandre Julliard : user32: Fix checking of show count in ShowCursor.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: eeda373f6ff1989b61a256dfb66d6381930b2cb8
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=eeda373f6ff1989b61a256dfb6...

Author: Alexandre Julliard 
Date:   Mon May 10 11:53:37 2010 +0200

user32: Fix checking of show count in ShowCursor.

---

dlls/user32/cursoricon.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/dlls/user32/cursoricon.c b/dlls/user32/cursoricon.c
index 856d900..9d7788d 100644
--- a/dlls/user32/cursoricon.c
+++ b/dlls/user32/cursoricon.c
@@ -1701,7 +1701,7 @@ INT WINAPI DECLSPEC_HOTPATCH ShowCursor( BOOL bShow )
 {
     HCURSOR cursor;
     int increment = bShow ? 1 : -1;
-    int prev_count;
+    int count;

SERVER_START_REQ( set_cursor )
     {
@@ -1709,15 +1709,16 @@ INT WINAPI DECLSPEC_HOTPATCH ShowCursor( BOOL bShow )
         req->show_count = increment;
         wine_server_call( req );
         cursor = wine_server_ptr_handle( reply->prev_handle );
-        prev_count = reply->prev_count;
+        count = reply->prev_count + increment;
     }
     SERVER_END_REQ;

-    TRACE("%d, count=%d\n", bShow, prev_count + increment );
+    TRACE("%d, count=%d\n", bShow, count );

-    if (!prev_count) USER_Driver->pSetCursor( bShow ? cursor : 0 );
+    if (bShow && !count) USER_Driver->pSetCursor( cursor );
+    else if (!bShow && count == -1) USER_Driver->pSetCursor( 0 );

-    return prev_count + increment;
+    return count;
 }

/***********************************************************************