Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-28 10:04:49 +00:00
Code Issues Projects Releases Packages Wiki Activity

Return empty instead of NULL region for invisible windows

Browse source 
svn path=/trunk/; revision=8889
This commit is contained in:
Gé van Geldorp 2004-03-27 15:16:05 +00:00
parent 0fa710246c
commit 287b32c870
1 changed files with 5 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
reactos/subsys/win32k/ntuser/vis.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: vis.c,v 1.25 2004/03/23 18:08:07 weiden Exp $
* $Id: vis.c,v 1.26 2004/03/27 15:16:05 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -54,12 +54,12 @@ VIS_ComputeVisibleRegion(
{
if(!(ClipRgn = VIS_ComputeVisibleRegion(Window, FALSE, ClipChildren, ClipSiblings)))
{
return NULL;
return NtGdiCreateRectRgn(0, 0, 0, 0);
}
if(!(VisRgn = UnsafeIntCreateRectRgnIndirect(&Window->ClientRect)))
{
NtGdiDeleteObject(VisRgn);
return NULL;
return NtGdiCreateRectRgn(0, 0, 0, 0);
}
LeftOffset = Window->ClientRect.left - Window->WindowRect.left;
TopOffset = Window->ClientRect.top - Window->WindowRect.top;
@ -75,7 +75,7 @@ VIS_ComputeVisibleRegion(
TopOffset = Window->WindowRect.top;
/*
* Walk through all perent windows and for each clip the visble region
* Walk through all parent windows and for each clip the visble region
* to the parent's client area and exclude all siblings that are over
* our window.
*/
@ -87,7 +87,7 @@ VIS_ComputeVisibleRegion(
if (!(CurrentWindow->Style & WS_VISIBLE))
{
NtGdiDeleteObject(VisRgn);
return NULL;
return NtGdiCreateRectRgn(0, 0, 0, 0);
}
ClipRgn = UnsafeIntCreateRectRgnIndirect(&CurrentWindow->ClientRect);
NtGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_AND);