From 704f9a0abe46c14435503433b101b19063c0b3b2 Mon Sep 17 00:00:00 2001
From: Thomas Bluemel <thomas@reactsoft.com>
Date: Mon, 22 Dec 2003 20:44:02 +0000
Subject: [PATCH] added ros-internal NtUserSetScrollBarInfo()

svn path=/trunk/; revision=7184
---
 reactos/iface/addsys/w32ksvc.db          |  1 +
 reactos/include/win32k/ntuser.h          | 15 ++++++
 reactos/subsys/win32k/ntuser/scrollbar.c | 67 +++++++++++++++++++++++-
 3 files changed, 82 insertions(+), 1 deletion(-)

diff --git a/reactos/iface/addsys/w32ksvc.db b/reactos/iface/addsys/w32ksvc.db
index dbffd7b0181..29305001ae3 100644
--- a/reactos/iface/addsys/w32ksvc.db
+++ b/reactos/iface/addsys/w32ksvc.db
@@ -500,6 +500,7 @@ NtUserSetParent                         2
 NtUserSetProcessWindowStation           1
 NtUserSetProp                           3
 NtUserSetRipFlags                       2
+NtUserSetScrollBarInfo                  3
 NtUserSetScrollInfo                     4
 NtUserSetShellWindowEx                  2
 NtUserSetSysColors                      4
diff --git a/reactos/include/win32k/ntuser.h b/reactos/include/win32k/ntuser.h
index 15e97951e8e..89f8e5e0f1d 100644
--- a/reactos/include/win32k/ntuser.h
+++ b/reactos/include/win32k/ntuser.h
@@ -1852,6 +1852,21 @@ NtUserDereferenceWndProcHandle(WNDPROC wpHandle, WndProcHandle *Data);
 
 VOID STDCALL
 NtUserManualGuiCheck(LONG Check);
+
+typedef struct _SETSCROLLBARINFO
+{
+  int nTrackPos; 
+  int reserved;
+  DWORD rgstate[CCHILDREN_SCROLLBAR+1];
+} SETSCROLLBARINFO, *PSETSCROLLBARINFO;
+
+BOOL
+STDCALL
+NtUserSetScrollBarInfo(
+  HWND hwnd,
+  LONG idObject,
+  SETSCROLLBARINFO *info);
+
 #endif /* __WIN32K_NTUSER_H */
 
 /* EOF */
diff --git a/reactos/subsys/win32k/ntuser/scrollbar.c b/reactos/subsys/win32k/ntuser/scrollbar.c
index 29070290568..bc78fd1211d 100644
--- a/reactos/subsys/win32k/ntuser/scrollbar.c
+++ b/reactos/subsys/win32k/ntuser/scrollbar.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: scrollbar.c,v 1.20 2003/12/22 19:55:39 navaraf Exp $
+/* $Id: scrollbar.c,v 1.21 2003/12/22 20:44:02 weiden Exp $
  *
  * COPYRIGHT:        See COPYING in the top level directory
  * PROJECT:          ReactOS kernel
@@ -916,6 +916,71 @@ NtUserEnableScrollBar(
   return TRUE;
 }
 
+BOOL
+STDCALL
+NtUserSetScrollBarInfo(
+  HWND hwnd,
+  LONG idObject,
+  SETSCROLLBARINFO *info)
+{
+  PWINDOW_OBJECT Window;
+  SETSCROLLBARINFO Safeinfo;
+  PSCROLLBARINFO sbi = NULL;
+  LPSCROLLINFO psi;
+  NTSTATUS Status;
+  
+  Window = IntGetWindowObject(hwnd);
+
+  if(!Window)
+  {
+    SetLastWin32Error(ERROR_INVALID_WINDOW_HANDLE);
+    return FALSE;
+  }
+  
+  Status = MmCopyFromCaller(&Safeinfo, info, sizeof(SETSCROLLBARINFO));
+  if(!NT_SUCCESS(Status))
+  {
+    IntReleaseWindowObject(Window);
+    SetLastNtError(Status);
+    return FALSE;
+  }
+  
+  switch(idObject)
+  {
+    case OBJID_HSCROLL:
+      sbi = Window->pHScroll;
+      break;
+    case OBJID_VSCROLL:
+      sbi = Window->pVScroll;
+      break;
+    case OBJID_CLIENT:
+      /* FIXME */
+      IntReleaseWindowObject(Window);
+      return FALSE;
+
+    default:
+      IntReleaseWindowObject(Window);
+      SetLastWin32Error(ERROR_INVALID_PARAMETER);
+      return FALSE;
+  }
+  
+  if(!sbi)
+  {
+    DPRINT1("SCROLLBARINFO structure not allocated!\n");
+    IntReleaseWindowObject(Window);
+    return FALSE;
+  }
+  
+  psi = (LPSCROLLINFO)((PSCROLLBARINFO)(sbi + 1));
+  
+  psi->nTrackPos = Safeinfo.nTrackPos;
+  sbi->reserved = Safeinfo.reserved;
+  RtlCopyMemory(&sbi->rgstate, &Safeinfo.rgstate, sizeof(Safeinfo.rgstate));
+  
+  IntReleaseWindowObject(Window);
+  return TRUE;
+}
+
 DWORD
 STDCALL
 NtUserSetScrollInfo(