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fixed NtUserClipCursor()

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svn path=/trunk/; revision=6113
This commit is contained in:
Thomas Bluemel 2003-09-21 16:00:24 +00:00
parent 87768e6cca
commit a41feef44a
1 changed files with 13 additions and 14 deletions
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27
reactos/subsys/win32k/objects/cursoricon.c
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@ -237,8 +237,8 @@ NtUserClipCursor(
PWINSTATION_OBJECT WinStaObject;
PSYSTEM_CURSORINFO CurInfo;
PWINDOW_OBJECT DesktopWindow;
RECT Rect;
PWINDOW_OBJECT DesktopWindow = NULL;
NTSTATUS Status = ValidateWindowStationHandle(PROCESS_WINDOW_STATION(),
KernelMode,
@ -260,21 +260,20 @@ NtUserClipCursor(
}
CurInfo = &WinStaObject->SystemCursor;
if(UnsafeRect)
if(WinStaObject->ActiveDesktop)
DesktopWindow = IntGetWindowObject(WinStaObject->ActiveDesktop->DesktopWindow);
if((Rect.right > Rect.left) && (Rect.bottom > Rect.top)
&& DesktopWindow)
{
if((Rect.right > Rect.left) &&
(Rect.bottom > Rect.top))
{
DesktopWindow = IntGetWindowObject(WinStaObject->ActiveDesktop->DesktopWindow);
CurInfo->CursorClipInfo.IsClipped = TRUE;
CurInfo->CursorClipInfo.Left = max(Rect.left, DesktopWindow->WindowRect.left);
CurInfo->CursorClipInfo.Top = max(Rect.top, DesktopWindow->WindowRect.top);
CurInfo->CursorClipInfo.Right = min(Rect.right - 1, DesktopWindow->WindowRect.right - 1);
CurInfo->CursorClipInfo.Bottom = min(Rect.bottom - 1, DesktopWindow->WindowRect.bottom - 1);
IntReleaseWindowObject(DesktopWindow);
CurInfo->CursorClipInfo.IsClipped = TRUE;
CurInfo->CursorClipInfo.Left = max(Rect.left, DesktopWindow->WindowRect.left);
CurInfo->CursorClipInfo.Top = max(Rect.top, DesktopWindow->WindowRect.top);
CurInfo->CursorClipInfo.Right = min(Rect.right - 1, DesktopWindow->WindowRect.right - 1);
CurInfo->CursorClipInfo.Bottom = min(Rect.bottom - 1, DesktopWindow->WindowRect.bottom - 1);
IntReleaseWindowObject(DesktopWindow);
MouseMoveCursor(CurInfo->x, CurInfo->y);
}
MouseMoveCursor(CurInfo->x, CurInfo->y);
}
else
WinStaObject->SystemCursor.CursorClipInfo.IsClipped = FALSE;