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Return nTrackPos if requested

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svn path=/trunk/; revision=7629
This commit is contained in:
Gé van Geldorp 2004-01-14 22:18:35 +00:00
parent 1ec39bbe83
commit 95adb6598c
1 changed files with 13 additions and 2 deletions
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15
reactos/subsys/win32k/ntuser/scrollbar.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: scrollbar.c,v 1.25 2004/01/13 17:14:38 navaraf Exp $ /* $Id: scrollbar.c,v 1.26 2004/01/14 22:18:35 gvg Exp $
* *
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -232,6 +232,11 @@ IntGetScrollInfo(PWINDOW_OBJECT Window, INT nBar, LPSCROLLINFO lpsi)
lpsi->nMin = psi->nMin; lpsi->nMin = psi->nMin;
lpsi->nMax = psi->nMax; lpsi->nMax = psi->nMax;
} }
if(Mask & SIF_TRACKPOS)
{
lpsi->nTrackPos = psi->nTrackPos;
}
return TRUE; return TRUE;
} }
@ -649,7 +654,7 @@ NtUserGetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi)
DWORD sz; DWORD sz;
BOOL Ret; BOOL Ret;
Status = MmCopyFromCaller(&psi, lpsi, sizeof(SCROLLINFO) - sizeof(psi.nTrackPos)); Status = MmCopyFromCaller(&psi.cbSize, &(lpsi->cbSize), sizeof(UINT));
if(!NT_SUCCESS(Status) || if(!NT_SUCCESS(Status) ||
!((psi.cbSize == sizeof(SCROLLINFO)) || (psi.cbSize == sizeof(SCROLLINFO) - sizeof(psi.nTrackPos)))) !((psi.cbSize == sizeof(SCROLLINFO)) || (psi.cbSize == sizeof(SCROLLINFO) - sizeof(psi.nTrackPos))))
{ {
@ -657,6 +662,12 @@ NtUserGetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi)
return FALSE; return FALSE;
} }
sz = psi.cbSize; sz = psi.cbSize;
Status = MmCopyFromCaller(&psi, lpsi, sz);
if (!NT_SUCCESS(Status))
{
SetLastNtError(Status);
return FALSE;
}
Window = IntGetWindowObject(hwnd); Window = IntGetWindowObject(hwnd);