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- Fix issues with DCE clip region ownership.

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svn path=/trunk/; revision=12170
This commit is contained in:
Filip Navara 2004-12-17 19:42:46 +00:00
parent 6aa427939e
commit 69c462a21c
1 changed files with 7 additions and 1 deletions
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8
reactos/subsys/win32k/ntuser/windc.c
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@ -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: windc.c,v 1.69 2004/12/17 14:44:19 navaraf Exp $
/* $Id: windc.c,v 1.70 2004/12/17 19:42:46 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -215,6 +215,7 @@ DceDeleteClipRgn(DCE* Dce)
}
else if (Dce->hClipRgn > (HRGN) 1)
{
GDIOBJ_SetOwnership(Dce->hClipRgn, PsGetCurrentProcess());
NtGdiDeleteObject(Dce->hClipRgn);
}
@ -516,6 +517,7 @@ NtUserGetDCEx(HWND hWnd, HANDLE ClipRegion, ULONG Flags)
Dce->hClipRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
if (Dce->hClipRgn && Window->UpdateRegion)
{
GDIOBJ_SetOwnership(Dce->hClipRgn, NULL);
NtGdiCombineRgn(Dce->hClipRgn, Window->UpdateRegion, NULL, RGN_COPY);
if(Window->WindowRegion && !(Window->Style & WS_MINIMIZE))
NtGdiCombineRgn(Dce->hClipRgn, Dce->hClipRgn, Window->WindowRegion, RGN_AND);
@ -534,6 +536,7 @@ NtUserGetDCEx(HWND hWnd, HANDLE ClipRegion, ULONG Flags)
if (!(Flags & DCX_WINDOW))
{
Dce->hClipRgn = UnsafeIntCreateRectRgnIndirect(&Window->ClientRect);
GDIOBJ_SetOwnership(Dce->hClipRgn, NULL);
if(!Window->WindowRegion || (Window->Style & WS_MINIMIZE))
{
NtGdiOffsetRgn(Dce->hClipRgn, -Window->ClientRect.left, -Window->ClientRect.top);
@ -549,6 +552,7 @@ NtUserGetDCEx(HWND hWnd, HANDLE ClipRegion, ULONG Flags)
else
{
Dce->hClipRgn = UnsafeIntCreateRectRgnIndirect(&Window->WindowRect);
GDIOBJ_SetOwnership(Dce->hClipRgn, NULL);
NtGdiOffsetRgn(Dce->hClipRgn, -Window->WindowRect.left,
-Window->WindowRect.top);
if(Window->WindowRegion && !(Window->Style & WS_MINIMIZE))
@ -560,6 +564,7 @@ NtUserGetDCEx(HWND hWnd, HANDLE ClipRegion, ULONG Flags)
Dce->hClipRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
if (Dce->hClipRgn)
{
GDIOBJ_SetOwnership(Dce->hClipRgn, NULL);
if(!Window->WindowRegion || (Window->Style & WS_MINIMIZE))
NtGdiCombineRgn(Dce->hClipRgn, ClipRegion, NULL, RGN_COPY);
else
@ -687,6 +692,7 @@ DceFreeDCE(PDCE dce, BOOLEAN Force)
NtGdiDeleteDC(dce->hDC);
if (dce->hClipRgn && ! (dce->DCXFlags & DCX_KEEPCLIPRGN))
{
GDIOBJ_SetOwnership(dce->hClipRgn, PsGetCurrentProcess());
NtGdiDeleteObject(dce->hClipRgn);
}