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Fix window repainting - Attempt #2

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svn path=/trunk/; revision=7713
This commit is contained in:
Filip Navara 2004-01-17 15:18:25 +00:00
parent ef40097fff
commit 6020629df1
8 changed files with 179 additions and 163 deletions
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4
reactos/subsys/csrss/win32csr/desktopbg.c
View file

@ -1,4 +1,4 @@
/* $Id: desktopbg.c,v 1.5 2004/01/11 17:31:16 gvg Exp $
/* $Id: desktopbg.c,v 1.6 2004/01/17 15:18:25 navaraf Exp $
*
* reactos/subsys/csrss/win32csr/desktopbg.c
*
@ -149,7 +149,7 @@ DtbgDesktopThread(PVOID Data)
}
BackgroundWnd = CreateWindowW((LPCWSTR) DESKTOP_WINDOW_ATOM,
L"",
WS_POPUP,
WS_POPUP | WS_CLIPCHILDREN,
0,
0,
0,

10
reactos/subsys/win32k/include/vis.h
View file

@ -1,4 +1,4 @@
/* $Id: vis.h,v 1.5 2003/12/12 18:59:24 weiden Exp $
/* $Id: vis.h,v 1.6 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Win32k subsystem
@ -15,13 +15,11 @@
#include <include/window.h>
HRGN FASTCALL
VIS_ComputeVisibleRegion(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
BOOLEAN ClientArea, BOOLEAN ClipChildren,
BOOLEAN ClipSiblings);
VIS_ComputeVisibleRegion(PWINDOW_OBJECT Window, BOOLEAN ClientArea,
BOOLEAN ClipChildren, BOOLEAN ClipSiblings);
VOID FASTCALL
VIS_WindowLayoutChanged(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
HRGN UncoveredRgn);
VIS_WindowLayoutChanged(PWINDOW_OBJECT Window, HRGN UncoveredRgn);
#endif /* ! defined(_WIN32K_VIS_H) */

4
reactos/subsys/win32k/ntuser/focus.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: focus.c,v 1.12 2004/01/16 13:28:29 navaraf Exp $
* $Id: focus.c,v 1.13 2004/01/17 15:18:25 navaraf Exp $
*/
#include <win32k/win32k.h>
@ -25,7 +25,7 @@
#include <include/focus.h>
#include <include/error.h>
#include <include/winpos.h>
//#define NDEBUG
/* #define NDEBUG */
#include <win32k/debug1.h>
#include <debug.h>

141
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 1.61 2004/01/13 17:13:48 navaraf Exp $
* $Id: painting.c,v 1.62 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -64,8 +64,16 @@ IntValidateParent(PWINDOW_OBJECT Child, HRGN ValidRegion)
HWND Parent;
PWINDOW_OBJECT ParentWindow;
#ifdef FIN_DEBUG
{
RECT TempRect;
UnsafeIntGetRgnBox(ValidRegion, &TempRect);
DPRINT1("IntValidateParent ('%wZ', %d,%d-%d,%d)\n",
&Child->WindowName, TempRect.left, TempRect.top, TempRect.right, TempRect.bottom);
}
#endif
Parent = NtUserGetAncestor(Child->Self, GA_PARENT);
while (Parent && Parent != IntGetDesktopWindow())
while (Parent)
{
ParentWindow = IntGetWindowObject(Parent);
if (ParentWindow && !(ParentWindow->Style & WS_CLIPCHILDREN))
@ -163,6 +171,7 @@ IntPaintWindows(PWINDOW_OBJECT Window, ULONG Flags)
{
if (Window->Flags & WINDOWOBJECT_NEED_NCPAINT)
{
IntValidateParent(Window, Window->NCUpdateRegion);
IntSendMessage(hWnd, WM_NCPAINT, (WPARAM)Window->NCUpdateRegion, 0);
Window->NCUpdateRegion = NULL;
Window->Flags &= ~WINDOWOBJECT_NEED_NCPAINT;
@ -181,6 +190,7 @@ IntPaintWindows(PWINDOW_OBJECT Window, ULONG Flags)
TempRect.left, TempRect.top, TempRect.right, TempRect.bottom);
}
#endif
IntValidateParent(Window, Window->UpdateRegion);
hDC = NtUserGetDCEx(hWnd, 0, DCX_CACHE | DCX_USESTYLE |
DCX_INTERSECTUPDATE);
if (hDC != NULL)
@ -233,8 +243,7 @@ IntPaintWindows(PWINDOW_OBJECT Window, ULONG Flags)
* Paint child windows.
*/
if (!(Flags & RDW_NOCHILDREN) && !(Window->Style & WS_MINIMIZE) &&
((Flags & RDW_ALLCHILDREN) || !(Window->Style & WS_CLIPCHILDREN)) &&
! IntIsDesktopWindow(Window))
((Flags & RDW_ALLCHILDREN) || !(Window->Style & WS_CLIPCHILDREN)))
{
HWND *List, *phWnd;
@ -410,30 +419,6 @@ IntInvalidateWindows(PWINDOW_OBJECT Window, HRGN hRgn, ULONG Flags,
Window->WindowRect.left - Child->WindowRect.left,
Window->WindowRect.top - Child->WindowRect.top);
IntInvalidateWindows(Child, hRgnTemp, Flags, FALSE);
/*
* WINDOWS REALLY DON'T DO THIS!!!
*/
#if 1
/*
* Update our UpdateRegion depending on children
*/
if (Window->UpdateRegion != NULL)
{
NtGdiCombineRgn(hRgnTemp, Child->UpdateRegion, 0, RGN_COPY);
NtGdiCombineRgn(hRgnTemp, hRgnTemp, Child->NCUpdateRegion, RGN_OR);
NtGdiOffsetRgn(hRgnTemp,
Child->WindowRect.left - Window->WindowRect.left,
Child->WindowRect.top - Window->WindowRect.top);
if (NtGdiCombineRgn(Window->UpdateRegion, Window->UpdateRegion,
hRgnTemp, RGN_DIFF) == NULLREGION)
{
NtGdiDeleteObject(Window->UpdateRegion);
Window->UpdateRegion = NULL;
}
}
#endif
NtGdiDeleteObject(hRgnTemp);
}
IntReleaseWindowObject(Child);
@ -563,10 +548,11 @@ IntRedrawWindow(PWINDOW_OBJECT Window, const RECT* UpdateRect, HRGN UpdateRgn,
{
IntInvalidateWindows(Window, hRgn, Flags, TRUE);
} else
if (Window->UpdateRegion != NULL && Flags & RDW_ERASENOW)
if (Window->UpdateRegion != NULL && (Flags & (RDW_ERASENOW | RDW_UPDATENOW)))
{
/* Validate parent covered by region. */
IntValidateParent(Window, Window->UpdateRegion);
IntValidateParent(Window, Window->NCUpdateRegion);
}
/*
@ -599,82 +585,50 @@ IntFindWindowToRepaint(HWND hWnd, PW32THREAD Thread)
PWINDOW_OBJECT Child;
HWND hFoundWnd = NULL;
if (hWnd == NULL)
{
PLIST_ENTRY CurrentEntry;
ExAcquireFastMutex(&Thread->WindowListLock);
for (CurrentEntry = Thread->WindowListHead.Flink;
CurrentEntry != &Thread->WindowListHead;
CurrentEntry = CurrentEntry->Flink)
{
Window = CONTAINING_RECORD(CurrentEntry, WINDOW_OBJECT, ThreadListEntry);
if (Window->Parent != NULL && !IntIsDesktopWindow(Window->Parent))
{
continue;
}
if (Window->Style & WS_VISIBLE)
{
hFoundWnd = IntFindWindowToRepaint(Window->Self, Thread);
if (hFoundWnd != NULL)
{
ExReleaseFastMutex(&Thread->WindowListLock);
return hFoundWnd;
}
}
}
ExReleaseFastMutex(&Thread->WindowListLock);
Window = IntGetWindowObject(hWnd);
if (Window == NULL)
return NULL;
}
else
if ((Window->UpdateRegion != NULL ||
Window->Flags & (WINDOWOBJECT_NEED_INTERNALPAINT | WINDOWOBJECT_NEED_NCPAINT)) &&
IntWndBelongsToThread(Window, Thread))
{
Window = IntGetWindowObject(hWnd);
if (Window == NULL)
return NULL;
IntReleaseWindowObject(Window);
return hWnd;
}
if ((Window->UpdateRegion != NULL ||
Window->Flags & (WINDOWOBJECT_NEED_INTERNALPAINT | WINDOWOBJECT_NEED_NCPAINT)) &&
IntWndBelongsToThread(Window, Thread))
ExAcquireFastMutex(&Window->ChildrenListLock);
for (Child = Window->FirstChild; Child; Child = Child->NextSibling)
{
if (Child->Style & WS_VISIBLE &&
(Child->UpdateRegion != NULL ||
Child->Flags & WINDOWOBJECT_NEED_INTERNALPAINT ||
Child->Flags & WINDOWOBJECT_NEED_NCPAINT)
&& IntWndBelongsToThread(Child, Thread))
{
IntReleaseWindowObject(Window);
return hWnd;
hFoundWnd = Child->Self;
break;
}
}
ExAcquireFastMutex(&Window->ChildrenListLock);
if (hFoundWnd == NULL)
{
for (Child = Window->FirstChild; Child; Child = Child->NextSibling)
{
if (Child->Style & WS_VISIBLE &&
(Child->UpdateRegion != NULL ||
Child->Flags & WINDOWOBJECT_NEED_INTERNALPAINT ||
Child->Flags & WINDOWOBJECT_NEED_NCPAINT)
&& IntWndBelongsToThread(Child, Thread))
if (Child->Style & WS_VISIBLE)
{
hFoundWnd = Child->Self;
break;
hFoundWnd = IntFindWindowToRepaint(Child->Self, Thread);
if (hFoundWnd != NULL)
break;
}
}
if (hFoundWnd == NULL)
{
for (Child = Window->FirstChild; Child; Child = Child->NextSibling)
{
if (Child->Style & WS_VISIBLE)
{
hFoundWnd = IntFindWindowToRepaint(Child->Self, Thread);
if (hFoundWnd != NULL)
break;
}
}
}
ExReleaseFastMutex(&Window->ChildrenListLock);
IntReleaseWindowObject(Window);
return hFoundWnd;
}
ExReleaseFastMutex(&Window->ChildrenListLock);
IntReleaseWindowObject(Window);
return hFoundWnd;
}
BOOL FASTCALL
@ -819,7 +773,6 @@ NtUserBeginPaint(HWND hWnd, PAINTSTRUCT* lPs)
return NULL;
}
/* IntRedrawWindow(Window, NULL, 0, RDW_NOINTERNALPAINT | RDW_VALIDATE | RDW_NOCHILDREN);*/
#ifdef FIN_DEBUG
if (Window->Flags & WINDOWOBJECT_NEED_ERASEBKGND)
{

95
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 1.15 2003/12/27 15:09:51 navaraf Exp $
* $Id: vis.c,v 1.16 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -30,11 +30,11 @@
#include <include/rect.h>
#include <include/vis.h>
#define NDEBUG
#include <win32k/debug1.h>
#include <debug.h>
#if 1
BOOL STATIC FASTCALL
VIS_GetVisRect(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
BOOLEAN ClientArea, RECT* Rect)
@ -131,7 +131,7 @@ VIS_AddClipRects(PWINDOW_OBJECT Parent, PWINDOW_OBJECT End,
}
HRGN FASTCALL
VIS_ComputeVisibleRegion(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
VIS_ComputeVisibleRegion(PWINDOW_OBJECT Window,
BOOLEAN ClientArea, BOOLEAN ClipChildren,
BOOLEAN ClipSiblings)
{
@ -140,6 +140,7 @@ VIS_ComputeVisibleRegion(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
HRGN ClipRgn;
PWINDOW_OBJECT DesktopWindow;
INT LeftOffset, TopOffset;
PDESKTOP_OBJECT Desktop = PsGetWin32Thread()->Desktop;
DesktopWindow = IntGetWindowObject(Desktop->DesktopWindow);
if (NULL == DesktopWindow)
@ -209,10 +210,94 @@ VIS_ComputeVisibleRegion(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
return VisRgn;
}
#else
HRGN FASTCALL
VIS_ComputeVisibleRegion(
PWINDOW_OBJECT Window,
BOOLEAN ClientArea,
BOOLEAN ClipChildren,
BOOLEAN ClipSiblings)
{
HRGN VisRgn, ClipRgn;
INT LeftOffset, TopOffset;
PWINDOW_OBJECT CurrentWindow;
if (!(Window->Style & WS_VISIBLE))
{
return NULL;
}
if (ClientArea)
{
VisRgn = UnsafeIntCreateRectRgnIndirect(&Window->ClientRect);
LeftOffset = Window->ClientRect.left;
TopOffset = Window->ClientRect.top;
}
else
{
VisRgn = UnsafeIntCreateRectRgnIndirect(&Window->WindowRect);
LeftOffset = Window->WindowRect.left;
TopOffset = Window->WindowRect.top;
}
CurrentWindow = Window->Parent;
while (CurrentWindow)
{
if (!(CurrentWindow->Style & WS_VISIBLE))
{
NtGdiDeleteObject(VisRgn);
return NULL;
}
ClipRgn = UnsafeIntCreateRectRgnIndirect(&CurrentWindow->ClientRect);
NtGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_AND);
NtGdiDeleteObject(ClipRgn);
CurrentWindow = CurrentWindow->Parent;
}
if (ClipChildren)
{
ExAcquireFastMutexUnsafe(&Window->ChildrenListLock);
CurrentWindow = Window->FirstChild;
while (CurrentWindow)
{
if (CurrentWindow->Style & WS_VISIBLE)
{
ClipRgn = UnsafeIntCreateRectRgnIndirect(&CurrentWindow->WindowRect);
NtGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_DIFF);
NtGdiDeleteObject(ClipRgn);
}
CurrentWindow = CurrentWindow->NextSibling;
}
ExReleaseFastMutexUnsafe(&Window->ChildrenListLock);
}
if (ClipSiblings && Window->Parent != NULL)
{
ExAcquireFastMutexUnsafe(&Window->Parent->ChildrenListLock);
CurrentWindow = Window->Parent->FirstChild;
while (CurrentWindow != Window)
{
if (CurrentWindow->Style & WS_VISIBLE)
{
ClipRgn = UnsafeIntCreateRectRgnIndirect(&CurrentWindow->WindowRect);
NtGdiCombineRgn(VisRgn, VisRgn, ClipRgn, RGN_DIFF);
NtGdiDeleteObject(ClipRgn);
}
CurrentWindow = CurrentWindow->NextSibling;
}
ExReleaseFastMutexUnsafe(&Window->Parent->ChildrenListLock);
}
NtGdiOffsetRgn(VisRgn, -LeftOffset, -TopOffset);
return VisRgn;
}
#endif
VOID FASTCALL
VIS_WindowLayoutChanged(PDESKTOP_OBJECT Desktop, PWINDOW_OBJECT Window,
HRGN NewlyExposed)
VIS_WindowLayoutChanged(
PWINDOW_OBJECT Window,
HRGN NewlyExposed)
{
HRGN Temp;

16
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 1.50 2004/01/13 17:13:48 navaraf Exp $
/* $Id: windc.c,v 1.51 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -70,7 +70,7 @@ DceGetVisRgn(HWND hWnd, ULONG Flags, HWND hWndChild, ULONG CFlags)
return NULL;
}
VisRgn = VIS_ComputeVisibleRegion(PsGetWin32Thread()->Desktop, Window,
VisRgn = VIS_ComputeVisibleRegion(Window,
0 == (Flags & DCX_WINDOW),
0 != (Flags & DCX_CLIPCHILDREN),
0 != (Flags & DCX_CLIPSIBLINGS));
@ -464,17 +464,7 @@ NtUserGetDCEx(HWND hWnd, HANDLE ClipRegion, ULONG Flags)
}
else
{
if (hWnd == IntGetDesktopWindow())
{
hRgnVisible =
NtGdiCreateRectRgn(0, 0,
NtUserGetSystemMetrics(SM_CXSCREEN),
NtUserGetSystemMetrics(SM_CYSCREEN));
}
else
{
hRgnVisible = DceGetVisRgn(hWnd, Flags, 0, 0);
}
hRgnVisible = DceGetVisRgn(hWnd, Flags, 0, 0);
}
if (0 != (Flags & DCX_INTERSECTRGN))

34
reactos/subsys/win32k/ntuser/window.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: window.c,v 1.175 2004/01/15 21:02:09 gvg Exp $
/* $Id: window.c,v 1.176 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -452,6 +452,7 @@ DestroyThreadWindows(struct _ETHREAD *Thread)
LastHead = Win32Thread->WindowListHead.Flink;
Window = CONTAINING_RECORD(Win32Thread->WindowListHead.Flink, WINDOW_OBJECT, ThreadListEntry);
ExReleaseFastMutexUnsafe(&Win32Thread->WindowListLock);
WinPosShowWindow(Window->Self, SW_HIDE);
IntDestroyWindow(Window, Win32Process, Win32Thread, FALSE);
ExAcquireFastMutexUnsafe(&Win32Thread->WindowListLock);
}
@ -608,7 +609,6 @@ VOID FASTCALL
IntInitDesktopWindow(ULONG Width, ULONG Height)
{
PWINDOW_OBJECT DesktopWindow;
HRGN DesktopRgn;
DesktopWindow = IntGetWindowObject(PsGetWin32Thread()->Desktop->DesktopWindow);
if (NULL == DesktopWindow)
@ -621,9 +621,7 @@ IntInitDesktopWindow(ULONG Width, ULONG Height)
DesktopWindow->WindowRect.bottom = Height;
DesktopWindow->ClientRect = DesktopWindow->WindowRect;
DesktopRgn = UnsafeIntCreateRectRgnIndirect(&(DesktopWindow->WindowRect));
VIS_WindowLayoutChanged(PsGetWin32Thread()->Desktop, DesktopWindow, DesktopRgn);
NtGdiDeleteObject(DesktopRgn);
IntRedrawWindow(DesktopWindow, NULL, 0, RDW_INVALIDATE | RDW_ERASE);
IntReleaseWindowObject(DesktopWindow);
}
@ -1432,6 +1430,7 @@ NtUserCreateWindowEx(DWORD dwExStyle,
SWP_NOACTIVATE | SWP_NOZORDER | SWP_FRAMECHANGED :
SWP_NOZORDER | SWP_FRAMECHANGED;
DPRINT("NtUserCreateWindow(): About to minimize/maximize\n");
DPRINT("%d,%d %dx%d\n", NewPos.left, NewPos.top, NewPos.right, NewPos.bottom);
WinPosSetWindowPos(WindowObject->Self, 0, NewPos.left, NewPos.top,
NewPos.right, NewPos.bottom, SwFlag);
}
@ -1504,15 +1503,21 @@ NtUserDestroyWindow(HWND Wnd)
/* Look whether the focus is within the tree of windows we will
* be destroying.
*/
WinPosActivateOtherWindow(Window);
/* FIXME: Lock */
if (!WinPosShowWindow(Wnd, SW_HIDE))
{
if (NtUserGetActiveWindow() == Wnd)
{
WinPosActivateOtherWindow(Window);
}
}
ExAcquireFastMutex(&Window->MessageQueue->Lock);
if (Window->MessageQueue->ActiveWindow == Window->Self)
Window->MessageQueue->ActiveWindow = NULL;
if (Window->MessageQueue->FocusWindow == Window->Self)
Window->MessageQueue->FocusWindow = NULL;
if (Window->MessageQueue->CaptureWindow == Window->Self)
Window->MessageQueue->CaptureWindow = NULL;
/* FIXME: Unlock */
ExReleaseFastMutex(&Window->MessageQueue->Lock);
/* Call hooks */
#if 0 /* FIXME */
@ -1544,19 +1549,6 @@ NtUserDestroyWindow(HWND Wnd)
}
#endif
/* Hide the window */
if (! WinPosShowWindow(Wnd, SW_HIDE ))
{
if (Wnd == NtUserGetActiveWindow())
{
PWINDOW_OBJECT ActiveWindow = IntGetWindowObject(Wnd);
if (NULL != ActiveWindow)
{
WinPosActivateOtherWindow(ActiveWindow);
}
}
}
if (!IntIsWindow(Wnd))
{
return TRUE;

38
reactos/subsys/win32k/ntuser/winpos.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: winpos.c,v 1.80 2004/01/15 21:02:39 gvg Exp $
/* $Id: winpos.c,v 1.81 2004/01/17 15:18:25 navaraf Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -793,10 +793,10 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
SWP_HIDEWINDOW | SWP_FRAMECHANGED)) !=
(SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER))
{
VisBefore = VIS_ComputeVisibleRegion(
PsGetWin32Thread()->Desktop, Window, FALSE, FALSE, TRUE);
VisBefore = VIS_ComputeVisibleRegion(Window, FALSE, FALSE, TRUE);
if (UnsafeIntGetRgnBox(VisBefore, &TempRect) == NULLREGION)
if (VisBefore != NULL &&
UnsafeIntGetRgnBox(VisBefore, &TempRect) == NULLREGION)
{
NtGdiDeleteObject(VisBefore);
VisBefore = NULL;
@ -878,10 +878,10 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
}
/* Determine the new visible region */
VisAfter = VIS_ComputeVisibleRegion(
PsGetWin32Thread()->Desktop, Window, FALSE, FALSE, TRUE);
VisAfter = VIS_ComputeVisibleRegion(Window, FALSE, FALSE, TRUE);
if (UnsafeIntGetRgnBox(VisAfter, &TempRect) == NULLREGION)
if (VisAfter != NULL &&
UnsafeIntGetRgnBox(VisAfter, &TempRect) == NULLREGION)
{
NtGdiDeleteObject(VisAfter);
VisAfter = NULL;
@ -974,25 +974,24 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
/* We need to redraw what wasn't visible before */
if (VisAfter != NULL)
{
DirtyRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
if (CopyRgn != NULL)
{
DirtyRgn = NtGdiCreateRectRgn(0, 0, 0, 0);
RgnType = NtGdiCombineRgn(DirtyRgn, VisAfter, CopyRgn, RGN_DIFF);
if (RgnType != ERROR && RgnType != NULLREGION)
{
NtGdiOffsetRgn(DirtyRgn,
Window->WindowRect.left - Window->ClientRect.left,
Window->WindowRect.top - Window->ClientRect.top);
IntRedrawWindow(Window, NULL, DirtyRgn,
RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
}
NtGdiDeleteObject(DirtyRgn);
}
else
{
IntRedrawWindow(Window, NULL, 0,
RgnType = NtGdiCombineRgn(DirtyRgn, VisAfter, 0, RGN_COPY);
}
if (RgnType != ERROR && RgnType != NULLREGION)
{
NtGdiOffsetRgn(DirtyRgn,
Window->WindowRect.left - Window->ClientRect.left,
Window->WindowRect.top - Window->ClientRect.top);
IntRedrawWindow(Window, NULL, DirtyRgn,
RDW_ERASE | RDW_FRAME | RDW_INVALIDATE | RDW_ALLCHILDREN);
}
NtGdiDeleteObject(DirtyRgn);
}
if (CopyRgn != NULL)
@ -1014,8 +1013,7 @@ WinPosSetWindowPos(HWND Wnd, HWND WndInsertAfter, INT x, INT y, INT cx,
if (RgnType != ERROR && RgnType != NULLREGION)
{
VIS_WindowLayoutChanged(PsGetWin32Thread()->Desktop, Window,
ExposedRgn);
VIS_WindowLayoutChanged(Window, ExposedRgn);
}
NtGdiDeleteObject(ExposedRgn);
NtGdiDeleteObject(VisBefore);