/*
* @implemented
*/
DWORD
WINAPI
SetLayout(HDC hdc,
DWORD dwLayout)
{
#if 0
if (GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)
{
if (GDI_HANDLE_GET_TYPE(hdc) == GDI_OBJECT_TYPE_METADC)
return MFDRV_SetLayout( hdc, dwLayout);
else
{
PLDC pLDC = GdiGetLDC(hdc);
if ( !pLDC )
{
SetLastError(ERROR_INVALID_HANDLE);
return 0;
}
if (pLDC->iType == LDC_EMFLDC)
{
return EMFDRV_SetLayout( hdc, dwLayout);
}
}
}
#endif
if (!GdiIsHandleValid((HGDIOBJ) hdc) ||
(GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)) return GDI_ERROR;
return NtGdiSetLayout( hdc, -1, dwLayout);
}
/*
* @implemented
*/
DWORD
WINAPI
SetLayoutWidth(HDC hdc,LONG wox,DWORD dwLayout)
{
if (!GdiIsHandleValid((HGDIOBJ) hdc) ||
(GDI_HANDLE_GET_TYPE(hdc) != GDI_OBJECT_TYPE_DC)) return GDI_ERROR;
return NtGdiSetLayout( hdc, wox, dwLayout);
}
HDC FASTCALL
UserGetDCEx(PWND Wnd OPTIONAL, HANDLE ClipRegion, ULONG Flags)
{
PWND Parent;
ULONG DcxFlags;
DCE* Dce = NULL;
BOOL UpdateClipOrigin = FALSE;
BOOL bUpdateVisRgn = TRUE;
HDC hDC = NULL;
PPROCESSINFO ppi;
PLIST_ENTRY ListEntry;
if (NULL == Wnd)
{
Flags &= ~DCX_USESTYLE;
Flags |= DCX_CACHE;
}
if (Flags & DCX_PARENTCLIP) Flags |= DCX_CACHE;
// When GetDC is called with hWnd nz, DCX_CACHE & _WINDOW are clear w _USESTYLE set.
if (Flags & DCX_USESTYLE)
{
Flags &= ~(DCX_CLIPCHILDREN | DCX_CLIPSIBLINGS | DCX_PARENTCLIP);
if (!(Flags & DCX_WINDOW)) // Not window rectangle
{
if (Wnd->pcls->style & CS_PARENTDC)
{
Flags |= DCX_PARENTCLIP;
}
if (!(Flags & DCX_CACHE) && // Not on the cheap wine list.
!(Wnd->pcls->style & CS_OWNDC) )
{
if (!(Wnd->pcls->style & CS_CLASSDC))
// The window is not POWNED or has any CLASS, so we are looking for cheap wine.
Flags |= DCX_CACHE;
else
{
if (Wnd->pcls->pdce) hDC = ((PDCE)Wnd->pcls->pdce)->hDC;
TRACE("We have CLASS!!\n");
}
}
if (Wnd->style & WS_CLIPSIBLINGS)
{
Flags |= DCX_CLIPSIBLINGS;
}
if (Wnd->style & WS_CLIPCHILDREN &&
!(Wnd->style & WS_MINIMIZE))
{
Flags |= DCX_CLIPCHILDREN;
}
/* If minized with icon in the set, we are forced to be cheap! */
if (Wnd->style & WS_MINIMIZE && Wnd->pcls->spicn)
{
Flags |= DCX_CACHE;
}
}
else
{
if (Wnd->style & WS_CLIPSIBLINGS) Flags |= DCX_CLIPSIBLINGS;
Flags |= DCX_CACHE;
}
}
if (Flags & DCX_WINDOW) Flags &= ~DCX_CLIPCHILDREN;
if (Flags & DCX_NOCLIPCHILDREN)
{
Flags |= DCX_CACHE;
Flags &= ~(DCX_PARENTCLIP | DCX_CLIPCHILDREN);
}
Parent = (Wnd ? Wnd->spwndParent : NULL);
if (NULL == Wnd || !(Wnd->style & WS_CHILD) || NULL == Parent)
{
Flags &= ~DCX_PARENTCLIP;
Flags |= DCX_CLIPSIBLINGS;
}
/* It seems parent clip is ignored when clipping siblings or children */
if (Flags & (DCX_CLIPSIBLINGS | DCX_CLIPCHILDREN)) Flags &= ~DCX_PARENTCLIP;
if (Flags & DCX_PARENTCLIP)
{
if ((Wnd->style & WS_VISIBLE) &&
(Parent->style & WS_VISIBLE))
{
Flags &= ~DCX_CLIPCHILDREN;
if (Parent->style & WS_CLIPSIBLINGS)
{
Flags |= DCX_CLIPSIBLINGS;
}
}
}
// Window nz, check to see if we still own this or it is just cheap wine tonight.
if (!(Flags & DCX_CACHE))
{
if ( Wnd->head.pti != GetW32ThreadInfo())
Flags |= DCX_CACHE; // Ah~ Not Powned! Forced to be cheap~
}
DcxFlags = Flags & DCX_CACHECOMPAREMASK;
if (Flags & DCX_CACHE)
{ // Scan the cheap wine list for our match.
DCE* DceEmpty = NULL;
DCE* DceUnused = NULL;
KeEnterCriticalRegion();
ListEntry = LEDce.Flink;
while (ListEntry != &LEDce)
{
Dce = CONTAINING_RECORD(ListEntry, DCE, List);
ListEntry = ListEntry->Flink;
//
// The way I understand this, you can have more than one DC per window.
// Only one Owned if one was requested and saved and one Cached.
//
if ((Dce->DCXFlags & (DCX_CACHE | DCX_DCEBUSY)) == DCX_CACHE)
{
DceUnused = Dce;
if (Dce->DCXFlags & DCX_DCEEMPTY)
{
DceEmpty = Dce;
}
else if (Dce->hwndCurrent == (Wnd ? Wnd->head.h : NULL) &&
((Dce->DCXFlags & DCX_CACHECOMPAREMASK) == DcxFlags))
{
UpdateClipOrigin = TRUE;
break;
}
}
Dce = NULL; // Loop issue?
}
KeLeaveCriticalRegion();
Dce = (DceEmpty == NULL) ? DceUnused : DceEmpty;
if (Dce == NULL)
{
Dce = DceAllocDCE(NULL, DCE_CACHE_DC);
}
if (Dce == NULL) return NULL;
Dce->hwndCurrent = (Wnd ? Wnd->head.h : NULL);
Dce->pwndOrg = Dce->pwndClip = Wnd;
}
else // If we are here, we are POWNED or having CLASS.
{
KeEnterCriticalRegion();
ListEntry = LEDce.Flink;
while (ListEntry != &LEDce)
{
Dce = CONTAINING_RECORD(ListEntry, DCE, List);
ListEntry = ListEntry->Flink;
// Skip Cache DCE entries.
if (!(Dce->DCXFlags & DCX_CACHE))
{
// Check for Window handle than HDC match for CLASS.
if (Dce->hwndCurrent == Wnd->head.h)
{
bUpdateVisRgn = FALSE;
break;
}
else if (Dce->hDC == hDC) break;
}
Dce = NULL; // Loop issue?
}
KeLeaveCriticalRegion();
if (Dce == NULL)
{
return(NULL);
}
if ( (Flags & (DCX_INTERSECTRGN|DCX_EXCLUDERGN)) &&
(Dce->DCXFlags & (DCX_INTERSECTRGN|DCX_EXCLUDERGN)) )
{
DceDeleteClipRgn(Dce);
}
}
// First time use hax, need to use DceAllocDCE during window display init.
if (NULL == Dce)
{
return(NULL);
}
if (!GreIsHandleValid(Dce->hDC))
{
ERR("FIXME: Got DCE with invalid hDC! %p\n", Dce->hDC);
Dce->hDC = DceCreateDisplayDC();
/* FIXME: Handle error */
}
Dce->DCXFlags = Flags | DCX_DCEBUSY;
/*
* Bump it up! This prevents the random errors in wine dce tests and with
* proper bits set in DCX_CACHECOMPAREMASK.
* Reference:
* http://www.reactos.org/archives/public/ros-dev/2008-July/010498.html
* http://www.reactos.org/archives/public/ros-dev/2008-July/010499.html
*/
RemoveEntryList(&Dce->List);
InsertHeadList(&LEDce, &Dce->List);
/* Introduced in rev 6691 and modified later. */
if ( (Flags & DCX_INTERSECTUPDATE) && !ClipRegion )
{
Flags |= DCX_INTERSECTRGN | DCX_KEEPCLIPRGN;
Dce->DCXFlags |= DCX_INTERSECTRGN | DCX_KEEPCLIPRGN;
ClipRegion = Wnd->hrgnUpdate;
bUpdateVisRgn = TRUE;
}
if (ClipRegion == HRGN_WINDOW)
{
if (!(Flags & DCX_WINDOW))
{
Dce->hrgnClip = NtGdiCreateRectRgn(
Wnd->rcClient.left,
Wnd->rcClient.top,
Wnd->rcClient.right,
Wnd->rcClient.bottom);
}
else
{
Dce->hrgnClip = NtGdiCreateRectRgn(
Wnd->rcWindow.left,
Wnd->rcWindow.top,
Wnd->rcWindow.right,
Wnd->rcWindow.bottom);
}
Dce->DCXFlags &= ~DCX_KEEPCLIPRGN;
bUpdateVisRgn = TRUE;
}
else if (ClipRegion != NULL)
{
if (Dce->hrgnClip != NULL)
{
ERR("Should not be called!!\n");
GreDeleteObject(Dce->hrgnClip);
Dce->hrgnClip = NULL;
}
Dce->hrgnClip = ClipRegion;
bUpdateVisRgn = TRUE;
}
if (IntGdiSetHookFlags(Dce->hDC, DCHF_VALIDATEVISRGN)) bUpdateVisRgn = TRUE;
DceSetDrawable(Wnd, Dce->hDC, Flags, UpdateClipOrigin);
if (bUpdateVisRgn) DceUpdateVisRgn(Dce, Wnd, Flags);
if (Dce->DCXFlags & DCX_CACHE)
{
TRACE("ENTER!!!!!! DCX_CACHE!!!!!! hDC-> %p\n", Dce->hDC);
// Need to set ownership so Sync dcattr will work.
GreSetDCOwner(Dce->hDC, GDI_OBJ_HMGR_POWNED);
Dce->ptiOwner = GetW32ThreadInfo(); // Set the temp owning
}
if ( Wnd &&
Wnd->ExStyle & WS_EX_LAYOUTRTL &&
!(Flags & DCX_KEEPLAYOUT) )
{
NtGdiSetLayout(Dce->hDC, -1, LAYOUT_RTL);
}
if (Dce->DCXFlags & DCX_PROCESSOWNED)
{
ppi = PsGetCurrentProcessWin32Process();
ppi->W32PF_flags |= W32PF_OWNDCCLEANUP;
Dce->ptiOwner = NULL;
Dce->ppiOwner = ppi;
}
return(Dce->hDC);
}