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[win32k]

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- Don't store LastChild in WINDOW_OBJECT

svn path=/trunk/; revision=44591
This commit is contained in:
Giannis Adamopoulos 2009-12-14 22:58:03 +00:00
parent 7a9ae1c567
commit 196021c276
2 changed files with 27 additions and 15 deletions
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29
reactos/subsystems/win32/win32k/ntuser/window.c
View file

@ -1060,11 +1060,6 @@ IntLinkWindow(
/* link after WndPrevSibling */
if ((Wnd->spwndNext = WndPrevSibling->spwndNext))
Wnd->spwndNext->spwndPrev = Wnd;
else if ((Parent = Wnd->spwndParent))
{
if(Parent->LastChild == WndPrevSibling)
Parent->LastChild = Wnd;
}
Wnd->spwndPrev->spwndNext = Wnd;
}
else
@ -1075,7 +1070,6 @@ IntLinkWindow(
Wnd->spwndNext->spwndPrev = Wnd;
else if (Parent)
{
Parent->LastChild = Wnd;
Parent->spwndChild = Wnd;
return;
}
@ -1276,8 +1270,6 @@ IntUnlinkWindow(PWINDOW_OBJECT Wnd)
if (Wnd->spwndNext)
Wnd->spwndNext->spwndPrev = Wnd->spwndPrev;
else if (WndParent && WndParent->LastChild == Wnd)
WndParent->LastChild = Wnd->spwndPrev;
if (Wnd->spwndPrev)
Wnd->spwndPrev->spwndNext = Wnd->spwndNext;
@ -1956,7 +1948,6 @@ AllocErr:
Window->OwnerThread = PsGetCurrentThread();
Window->spwndChild = NULL;
Window->LastChild = NULL;
Window->spwndPrev = NULL;
Window->spwndNext = NULL;
@ -2290,7 +2281,13 @@ AllocErr:
{
PWINDOW_OBJECT PrevSibling;
PrevSibling = ParentWindow->LastChild;
PrevSibling = ParentWindow->spwndChild;
if(PrevSibling)
{
while (PrevSibling->spwndNext)
PrevSibling = PrevSibling->spwndNext;
}
/* link window as bottom sibling */
IntLinkWindow(Window, ParentWindow, PrevSibling /*prev sibling*/);
@ -3698,8 +3695,16 @@ UserGetWindow(HWND hWnd, UINT Relationship)
case GW_HWNDLAST:
if((Parent = Window->spwndParent))
{
if (Parent->LastChild)
hWndResult = Parent->LastChild->hSelf;
if (Parent->spwndChild)
{
Window = Parent->spwndChild;
if(Window)
{
while(Window->spwndNext)
Window = Window->spwndNext;
}
hWndResult = Window->hSelf;
}
}
break;

13
reactos/subsystems/win32/win32k/ntuser/winpos.c
View file

@ -1002,10 +1002,17 @@ co_WinPosSetWindowPos(
}
else if (WinPos.hwndInsertAfter == HWND_BOTTOM)
{
if(ParentWindow->LastChild)
if(ParentWindow->spwndChild)
{
UserReferenceObject(ParentWindow->LastChild);
InsertAfterWindow = ParentWindow->LastChild;
InsertAfterWindow = ParentWindow->spwndChild;
if(InsertAfterWindow)
{
while (InsertAfterWindow->spwndNext)
InsertAfterWindow = InsertAfterWindow->spwndNext;
}
UserReferenceObject(InsertAfterWindow);
}
else
InsertAfterWindow = NULL;