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Fixes to get CS_PARENTDC working

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svn path=/trunk/; revision=4895
This commit is contained in:
Gé van Geldorp 2003-06-15 20:08:02 +00:00
parent 53bf611e09
commit acf78985a1
2 changed files with 29 additions and 22 deletions
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33
reactos/subsys/win32k/ntuser/painting.c
View file

@ -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: painting.c,v 1.17 2003/05/31 08:51:58 gvg Exp $
/* $Id: painting.c,v 1.18 2003/06/15 20:08:02 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -859,6 +859,7 @@ NtUserBeginPaint(HWND hWnd, PAINTSTRUCT* lPs)
RECT ClientRect;
RECT ClipRect;
NTSTATUS Status;
INT DcxFlags;
Status =
ObmReferenceObjectByHandle(PsGetWin32Process()->WindowStation->HandleTable,
@ -888,30 +889,34 @@ NtUserBeginPaint(HWND hWnd, PAINTSTRUCT* lPs)
/* FIXME: Hide claret. */
DcxFlags = DCX_INTERSECTRGN | DCX_WINDOWPAINT | DCX_USESTYLE;
if (IsIcon)
{
DcxFlags |= DCX_WINDOW;
}
if (NtUserGetClassLong(Window->Self, GCL_STYLE) & CS_PARENTDC)
{
if (UpdateRegion != NULL)
/* Don't clip the output to the update region for CS_PARENTDC window */
if ((HRGN) 1 < UpdateRegion)
{
W32kDeleteObject(UpdateRegion);
}
lPs->hdc = NtUserGetDCEx(hWnd, 0, DCX_WINDOWPAINT | DCX_USESTYLE |
(IsIcon ? DCX_WINDOW : 0));
UpdateRegion = NULL;
DcxFlags &= ~DCX_INTERSECTRGN;
}
else
{
if (UpdateRegion != NULL)
if (NULL == UpdateRegion) /* empty region, clip everything */
{
W32kOffsetRgn(UpdateRegion,
Window->WindowRect.left -
Window->ClientRect.left,
Window->WindowRect.top -
Window->ClientRect.top);
UpdateRegion = W32kCreateRectRgn(0, 0, 0, 0);
}
else if ((HRGN) 1 == UpdateRegion) /* whole client area, don't clip */
{
UpdateRegion = NULL;
DcxFlags &= ~DCX_INTERSECTRGN;
}
lPs->hdc = NtUserGetDCEx(hWnd, UpdateRegion, DCX_INTERSECTRGN |
DCX_WINDOWPAINT | DCX_USESTYLE |
(IsIcon ? DCX_WINDOW : 0));
}
lPs->hdc = NtUserGetDCEx(hWnd, UpdateRegion, DcxFlags);
/* FIXME: Check for DC creation failure. */

18
reactos/subsys/win32k/ntuser/windc.c
View file

@ -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 1.11 2003/05/18 17:16:17 ea Exp $
/* $Id: windc.c,v 1.12 2003/06/15 20:08:02 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -503,13 +503,15 @@ NtUserGetDCEx(HWND hWnd, HANDLE hRegion, ULONG Flags)
Window->Self, Flags);
if (Flags & DCX_WINDOW)
{
W32kOffsetRgn(hRgnVisible, -Window->WindowRect.left,
-Window->WindowRect.top);
W32kOffsetRgn(hRgnVisible,
Parent->WindowRect.left - Window->WindowRect.left,
Parent->WindowRect.top - Window->WindowRect.top);
}
else
{
W32kOffsetRgn(hRgnVisible, -Window->ClientRect.left,
-Window->ClientRect.top);
W32kOffsetRgn(hRgnVisible,
Parent->ClientRect.left - Window->ClientRect.left,
Parent->ClientRect.top - Window->ClientRect.top);
}
DceOffsetVisRgn(Dce->hDC, hRgnVisible);
}
@ -532,10 +534,10 @@ NtUserGetDCEx(HWND hWnd, HANDLE hRegion, ULONG Flags)
hRgnVisible = DceGetVisRgn(hWnd, Flags, 0, 0);
DceOffsetVisRgn(Dce->hDC, hRgnVisible);
}
Dce->DCXFlags &= ~DCX_DCEDIRTY;
W32kSelectVisRgn(Dce->hDC, hRgnVisible);
}
Dce->DCXFlags &= ~DCX_DCEDIRTY;
W32kSelectVisRgn(Dce->hDC, hRgnVisible);
}
if (Flags & (DCX_EXCLUDERGN | DCX_INTERSECTRGN))