MFC_WordProcessor.cpp

/*
 * Copyright(c) Sophist Solutions, Inc. 1990-2025.  All rights reserved
 */
#include "Stroika/Frameworks/StroikaPreComp.h"
 
#include <climits>
 
#if qStroika_HasComponent_ATLMFC
 
#include <afxext.h>
#include <atlstr.h>
 
DISABLE_COMPILER_MSC_WARNING_START (5054)
#include <afxole.h>
DISABLE_COMPILER_MSC_WARNING_END (5054)
 
#include "Stroika/Foundation/DataExchange/BadFormatException.h"
#include "Stroika/Foundation/Memory/StackBuffer.h"
 
#include "MFC_WordProcessor.h"
 
using std::byte;
 
using namespace Stroika::Foundation;
using namespace Stroika::Frameworks::Led;
using namespace Stroika::Frameworks::Led::Platform;
using namespace Stroika::Frameworks::Led::StyledTextIO;
 
using std::byte;
 
#if qSupportOLEControlEmbedding
 
inline SIZE HIMETRICtoDP (SIZE s)
{
    // Crazy convention of passing NULL as this, used in MFC alot and the routine
    // checks for NULL this??? - WOW!
    ((CDC*)NULL)->HIMETRICtoDP (&s);
    return s;
}
inline SIZE DPtoHIMETRIC (SIZE s)
{
    // Crazy convention of passing NULL as this, used in MFC alot and the routine
    // checks for NULL this??? - WOW!
    ((CDC*)NULL)->DPtoHIMETRIC (&s);
    return s;
}
 
/*
 ********************************************************************************
 ***************************** Led_MFC_ControlItem ******************************
 ********************************************************************************
 */
COleDocument* Led_MFC_ControlItem::DocContextDefiner::sDoc = NULL;
 
// Note sure this is the right type????
const Led_ClipFormat Led_MFC_ControlItem::kClipFormat = static_cast<Led_ClipFormat> (::RegisterClipboardFormat (_T("Object Descriptor")));
const Led_PrivateEmbeddingTag Led_MFC_ControlItem::kEmbeddingTag = "OLE2Embed";
 
IMPLEMENT_SERIAL (Led_MFC_ControlItem, COleClientItem, 0)
 
Led_MFC_ControlItem::Led_MFC_ControlItem (COleDocument* pContainer)
    : COleClientItem (pContainer)
    , fSize (Led_Size (0, 0))
{
}
 
Led_MFC_ControlItem::~Led_MFC_ControlItem ()
{
}
 
SimpleEmbeddedObjectStyleMarker* Led_MFC_ControlItem::mkLed_MFC_ControlItemStyleMarker (const char* embeddingTag, const void* data, size_t len)
{
    Require (memcmp (embeddingTag, kEmbeddingTag, sizeof (kEmbeddingTag)) == 0 or
             memcmp (embeddingTag, RTFIO::RTFOLEEmbedding::kEmbeddingTag, sizeof (RTFIO::RTFOLEEmbedding::kEmbeddingTag)) == 0);
 
    RequireNotNull (DocContextDefiner::GetDoc ()); // See doc in header for class DocContextDefiner.
    // must declare one of these on call stack before calling this
    // method...
    Led_MFC_ControlItem* e = new Led_MFC_ControlItem (DocContextDefiner::GetDoc ());
 
    return mkLed_MFC_ControlItemStyleMarker_ (embeddingTag, data, len, e);
}
 
SimpleEmbeddedObjectStyleMarker* Led_MFC_ControlItem::mkLed_MFC_ControlItemStyleMarker (ReaderFlavorPackage& flavorPackage)
{
    RequireNotNull (DocContextDefiner::GetDoc ()); // See doc in header for class DocContextDefiner.
    // must declare one of these on call stack before calling this
    // method...
    Led_MFC_ControlItem* e = new Led_MFC_ControlItem (DocContextDefiner::GetDoc ());
 
    return mkLed_MFC_ControlItemStyleMarker_ (flavorPackage, e);
}
 
struct MyOLEStream_input : OLESTREAM {
    OLESTREAMVTBL theVTbl;
    const byte*   start;
    const byte*   end;
    const byte*   cur;
    static DWORD __stdcall MyOLE1STREAMGetter (LPOLESTREAM lpoleStr, void* data, DWORD nb)
    {
        MyOLEStream_input* myStream    = (MyOLEStream_input*)lpoleStr;
        size_t             bytesLeft   = myStream->end - myStream->cur;
        size_t             bytesToRead = min<size_t> (bytesLeft, nb);
        (void)::memcpy (data, myStream->cur, bytesToRead);
        myStream->cur += bytesToRead;
        return static_cast<DWORD> (bytesToRead);
    }
    MyOLEStream_input (const void* data, size_t nBytes)
        : start ((byte*)data)
        , end ((byte*)data + nBytes)
        , cur ((byte*)data)
    {
        lpstbl      = &theVTbl;
        theVTbl.Get = MyOLE1STREAMGetter;
        theVTbl.Put = NULL;
    }
};
SimpleEmbeddedObjectStyleMarker* Led_MFC_ControlItem::mkLed_MFC_ControlItemStyleMarker_ (const char* embeddingTag, const void* data,
                                                                                         size_t len, Led_MFC_ControlItem* builtItem)
{
    Require (memcmp (embeddingTag, kEmbeddingTag, sizeof (kEmbeddingTag)) == 0 or
             memcmp (embeddingTag, RTFIO::RTFOLEEmbedding::kEmbeddingTag, sizeof (RTFIO::RTFOLEEmbedding::kEmbeddingTag)) == 0);
    // Need todo try/catch eror handling...??? Or does caller delete embedding? On error? Decide!!!
    //&&&&&&&
    if (memcmp (embeddingTag, kEmbeddingTag, sizeof (kEmbeddingTag)) == 0) {
        Memory::StackBuffer<char> buf{Memory::eUninitialized, len};
        CMemFile                  memFile ((unsigned char*)data, static_cast<UINT> (len));
        CArchive                  archive (&memFile, CArchive::load);
        builtItem->Serialize (archive);
    }
    else if (memcmp (embeddingTag, RTFIO::RTFOLEEmbedding::kEmbeddingTag, sizeof (RTFIO::RTFOLEEmbedding::kEmbeddingTag)) == 0) {
        /*
         * NB: The RTF 1.4 spec says the contents are in a format where all you need todo is to call
         *  ::OleLoadFromStream. But this is apparantly not so. The data is apparantly in OLE1 format, and
         *  so must be converted via OleConvertOLESTREAMToIStorage (). This  - in turn - is extrememly badly
         *  documented. But I've managed to cobble something together which appears to work.
         *
         *  Then - there is the matter of patching all the right MFC COleClientItem member variables so they
         *  are all happy. MFC (4.2? version with MSVC50) doesn't make this very clear. But what I did was trace
         *  through the code which was executed during a "Serialize" call. And I do most of that stuff.
         */
 
        // Magic from COleClientItem::Serialize()
        builtItem->m_dwItemNumber = builtItem->GetNewItemNumber ();
        builtItem->GetItemStorage ();
 
        // Build my own OLE1 OLESTREAM
        MyOLEStream_input myStream (data, len);
 
        // Docs don't seem to say passing NULL for DVTARGETDEVICE, but - seems to work - and I don't know which one to use?
        builtItem->CheckGeneral (::OleConvertOLESTREAMToIStorage (&myStream, builtItem->m_lpStorage, NULL));
 
        Assert (Led_MFC_ControlItem::DocContextDefiner::sWindowsWhichHadDisplaySuppressed.empty ()); // if someplace ELSE is adding these windows,
        // we must be careful - else could be using bogus windows!
        /*
         *  See COleClientItem::ReadFlat code - next query OleXXX interface, and assign that to some
         *  data member, and then call finish create???
         *
         *  NB: unlike ReadFlat, we cannot call OleLoadFromStream - since this appears to assume an OLE2 format stream.
         */
        IUnknown* pUnk = NULL;
        builtItem->CheckGeneral (::OleLoad (builtItem->m_lpStorage, IID_IUnknown, builtItem->GetClientSite (), (LPVOID*)&pUnk));
        Assert (pUnk != NULL);
 
        {
            /*
             *  Building OLE controls CAN cause the MFC COleMessageFilter to pass WM_PAINT messages to us. That is a big
             *  performance no-no (reading in large files, because it disables the IsWholeWindowInvalid () optimization).
             *  So - inside of WordProcessorCommonCommandHelper_MFC<BASECLASS,CMD_INFO>::OnPaint () we check
             *  and see that we are not creating OLE objects, and if we are, then skip the paint event and save the window
             *  so we can RE-INVALIDATE it (here).
             */
            for (auto i = Led_MFC_ControlItem::DocContextDefiner::sWindowsWhichHadDisplaySuppressed.begin ();
                 i != Led_MFC_ControlItem::DocContextDefiner::sWindowsWhichHadDisplaySuppressed.end (); ++i) {
                Verify (::InvalidateRect (*i, NULL, true) != 0);
            }
            Led_MFC_ControlItem::DocContextDefiner::sWindowsWhichHadDisplaySuppressed.clear ();
        }
 
        if (pUnk->QueryInterface (IID_IOleObject, (LPVOID*)&builtItem->m_lpObject) != S_OK) {
            pUnk->Release ();
            throw bad_alloc ();
        }
        pUnk->Release ();
 
        if (not builtItem->FinishCreate (S_OK)) {
            AfxThrowArchiveException (CArchiveException::genericException);
        }
 
        SIZE size;
        builtItem->GetExtent (&size);
        builtItem->fSize = AsLedSize (HIMETRICtoDP (size));
    }
    return builtItem;
}
 
SimpleEmbeddedObjectStyleMarker* Led_MFC_ControlItem::mkLed_MFC_ControlItemStyleMarker_ (ReaderFlavorPackage& flavorPackage, Led_MFC_ControlItem* builtItem)
{
    Led_MFC_ControlItem* e = builtItem;
 
    // MUST BE MORE EXCPETION FRIENDLY HERE!!! - DELETE e if FIALURE AND ALSO BE CAREFUL OF CLIP OWNER!!!
    // LGP 960412
 
    ReaderClipboardFlavorPackage* rcfp = dynamic_cast<ReaderClipboardFlavorPackage*> (&flavorPackage);
    if (rcfp != NULL) {
        // fairly complex what MFC does here... Rather than reproduce it all, close the clipboard, and let MFC take care of it all.
        // Reopen it so we our later close code doesn't fail...
        HWND oldClipOwner = ::GetOpenClipboardWindow ();
        AssertNotNull (oldClipOwner);
        (void)::CloseClipboard ();
 
        // Let MFC do the OLE clipboard copy...
        e->CreateFromClipboard ();
 
        // now restore things so we don't fail later on our attempt to close...
        (void)::OpenClipboard (oldClipOwner);
    }
    else {
        Led_MFCReaderDAndDFlavorPackage* dndfp = dynamic_cast<Led_MFCReaderDAndDFlavorPackage*> (&flavorPackage);
        AssertNotNull (dndfp); // if not from clip, must be from Drag and Drop!
        DISABLE_COMPILER_MSC_WARNING_START (28182)
        if (e->CreateFromData (dndfp->GetOleDataObject ()) == 0) {
            Execution::Throw (DataExchange::BadFormatException::kThe);
        }
        DISABLE_COMPILER_MSC_WARNING_END (28182)
    }
 
    {
        CSize size;
        if (e->GetCachedExtent (&size)) {
            e->fSize = AsLedSize (HIMETRICtoDP (size));
        }
    }
 
    return e;
}
 
void Led_MFC_ControlItem::OnChange (OLE_NOTIFICATION nCode, DWORD dwParam)
{
    ASSERT_VALID (this);
 
    COleClientItem::OnChange (nCode, dwParam);
    // When an item is being edited (either in-place or fully open)
    //  it sends OnChange notifications for changes in the state of the
    //  item or visual appearance of its content.
 
    // TODO: invalidate the item by calling UpdateAllViews
    //  (with hints appropriate to your application)
 
    GetDocument ().UpdateAllViews (NULL);
    // for now just update ALL views/no hints
}
 
BOOL Led_MFC_ControlItem::OnChangeItemPosition (const CRect& rectPos)
{
    ASSERT_VALID (this);
 
    // During in-place activation Led_MFC_ControlItem::OnChangeItemPosition
    //  is called by the server to change the position of the in-place
    //  window.  Usually, this is a result of the data in the server
    //  document changing such that the extent has changed or as a result
    //  of in-place resizing.
    //
    // The default here is to call the base class, which will call
    //  COleClientItem::SetItemRects to move the item
    //  to the new position.
 
    if (!COleClientItem::OnChangeItemPosition (rectPos)) {
        return FALSE;
    }
 
    if (fSize != AsLedSize (rectPos.Size ())) {
        TextStore&               textStore = *GetOwner ()->PeekAtTextStore ();
        TextStore::SimpleUpdater updater (textStore, GetStart (), GetEnd ());
        fSize = AsLedSize (rectPos.Size ());
    }
 
    return TRUE;
}
 
void Led_MFC_ControlItem::OnGetItemPosition (CRect& rPosition)
{
    ASSERT_VALID (this);
 
    // During in-place activation, Led_MFC_ControlItem::OnGetItemPosition
    //  will be called to determine the location of this item.  The default
    //  implementation created from AppWizard simply returns a hard-coded
    //  rectangle.  Usually, this rectangle would reflect the current
    //  position of the item relative to the view used for activation.
    //  You can obtain the view by calling Led_MFC_ControlItem::GetActiveView.
 
    // return correct rectangle (in pixels) in rPosition
    rPosition = AsCRect (GetActiveView ().GetCharWindowLocation (this->GetStart ()));
}
 
BOOL Led_MFC_ControlItem::DoVerb (LONG nVerb, CView* pView, LPMSG lpMsg)
{
    BOOL result = COleClientItem::DoVerb (nVerb, pView, lpMsg);
    if (nVerb == OLEIVERB_SHOW or nVerb == OLEIVERB_OPEN) {
        SIZE size;
        const_cast<Led_MFC_ControlItem*> (this)->GetExtent (&size);
        if (fSize != AsLedSize (HIMETRICtoDP (size))) {
            TextStore&               textStore = *GetOwner ()->PeekAtTextStore ();
            TextStore::SimpleUpdater updater (textStore, GetStart (), GetEnd ());
            fSize = AsLedSize (HIMETRICtoDP (size));
 
            // SPR#1450 - quirky hack so embedded widgets show up immediately at the right size.
            const_cast<Led_MFC_ControlItem*> (this)->SetExtent (size);
        }
    }
    return result;
}
 
void Led_MFC_ControlItem::OnActivate ()
{
    // Allow only one inplace activate item per frame
    Led_MFC&        pView = GetActiveView ();
    COleClientItem* pItem = GetDocument ().GetInPlaceActiveItem (&pView);
    if (pItem != NULL && pItem != this) {
        pItem->Close ();
    }
    COleClientItem::OnActivate ();
}
 
void Led_MFC_ControlItem::OnDeactivateUI (BOOL bUndoable)
{
    COleClientItem::OnDeactivateUI (bUndoable);
 
    // Hide the object if it is not an outside-in object
    DWORD dwMisc = 0;
    m_lpObject->GetMiscStatus (GetDrawAspect (), &dwMisc);
    if (dwMisc & OLEMISC_INSIDEOUT) {
        DoVerb (OLEIVERB_HIDE, NULL);
    }
}
 
void Led_MFC_ControlItem::DrawSegment (const StyledTextImager* imager, const StyleRunElement& /*runElement*/, Tablet* tablet,
                                       [[maybe_unused]] size_t from, [[maybe_unused]] size_t to, [[maybe_unused]] const TextLayoutBlock& text,
                                       const Led_Rect& drawInto, const Led_Rect& /*invalidRect*/, CoordinateType useBaseLine, DistanceType* pixelsDrawn)
{
    Require (to - from == 1);
    Require (text.PeekAtVirtualText ()[0] == kEmbeddingSentinelChar);
 
    Color foreColor = imager->GetEffectiveDefaultTextColor (TextImager::eDefaultTextColor);
    ;
    Color            backColor = imager->GetEffectiveDefaultTextColor (TextImager::eDefaultBackgroundColor);
    GDI_Obj_Selector pen (tablet, ::GetStockObject (WHITE_PEN));
    tablet->SetTextColor (foreColor.GetOSRep ());
    tablet->SetBkColor (backColor.GetOSRep ());
 
    Led_Rect ourBoundsRect     = drawInto;
    ourBoundsRect.right        = ourBoundsRect.left + fSize.h + 2 * kDefaultEmbeddingMargin.h;
    CoordinateType embedBottom = useBaseLine;
    CoordinateType embedTop    = embedBottom - fSize.v;
    Assert (embedTop >= drawInto.top);
    Assert (embedBottom <= drawInto.bottom);
    Led_Rect innerBoundsRect = Led_Rect (Led_Point (embedTop, drawInto.left + kDefaultEmbeddingMargin.h), fSize);
 
    if (pixelsDrawn != NULL) {
        *pixelsDrawn = ourBoundsRect.GetWidth ();
    }
 
    COleClientItem::Draw (Led_MFC_CDCFromTablet (tablet), CRect (AsRECT (innerBoundsRect)));
}
 
void Led_MFC_ControlItem::MeasureSegmentWidth ([[maybe_unused]] const StyledTextImager* imager, [[maybe_unused]] const StyleRunElement& runElement,
                                               [[maybe_unused]] size_t from, [[maybe_unused]] size_t to,
                                               [[maybe_unused]] const Led_tChar* text, DistanceType* distanceResults) const
{
    Assert (from + 1 == to);
    Assert (text[0] == kEmbeddingSentinelChar);
    distanceResults[0] = fSize.h + 2 * kDefaultEmbeddingMargin.h;
}
 
DistanceType Led_MFC_ControlItem::MeasureSegmentHeight (const StyledTextImager* /*imager*/, const StyleRunElement& /*runElement*/,
                                                        [[maybe_unused]] size_t from, [[maybe_unused]] size_t to) const
{
    Assert (from + 1 == to);
    return fSize.v + 2 * kDefaultEmbeddingMargin.v;
}
 
void Led_MFC_ControlItem::Write (SinkStream& sink)
{
    CMemFile memFile;
    CArchive archive (&memFile, CArchive::store);
    Serialize (archive);
    archive.Close ();
    size_t nBytes  = static_cast<size_t> (memFile.GetLength ());
    BYTE*  written = memFile.Detach ();
    if (written != NULL) {
        sink.write (written, nBytes);
        ::free (written);
    }
}
 
void Led_MFC_ControlItem::ExternalizeFlavors (WriterFlavorPackage& flavorPackage)
{
    WriterClipboardFlavorPackage* wcfp = dynamic_cast<WriterClipboardFlavorPackage*> (&flavorPackage);
    if (wcfp != NULL) {
        // fairly complex what MFC does here... Rather than reproduce it all, close the clipboard, and let MFC take care of it all.
        // Reopen it so we our later close code doesn't fail...
        HWND oldClipOwner = ::GetOpenClipboardWindow ();
        AssertNotNull (oldClipOwner);
        (void)::CloseClipboard ();
 
        // Let MFC do the OLE clipboard copy...
        CopyToClipboard ();
 
        // now restore things so we don't fail later on our attempt to close...
        (void)::OpenClipboard (oldClipOwner);
    }
    else {
        Led_MFCWriterDAndDFlavorPackage* dndfp = dynamic_cast<Led_MFCWriterDAndDFlavorPackage*> (&flavorPackage);
        AssertNotNull (dndfp);
        DISABLE_COMPILER_MSC_WARNING_START (28182)
        GetClipboardData (dndfp->GetOleDataSource ());
        DISABLE_COMPILER_MSC_WARNING_END (28182)
    }
}
 
const char* Led_MFC_ControlItem::GetTag () const
{
    return kEmbeddingTag;
}
 
void Led_MFC_ControlItem::Serialize (CArchive& ar)
{
    COleClientItem::Serialize (ar);
    if (not ar.IsStoring ()) {
        // then grab our size from the GetExtent() method to see the fSize field...
        // Don't need to notify owning textstore etc cuz not yet even owned (probably?).
        SIZE size;
        const_cast<Led_MFC_ControlItem*> (this)->GetExtent (&size);
        fSize = AsLedSize (HIMETRICtoDP (size));
    }
}
 
void Led_MFC_ControlItem::DidUpdateText (const MarkerOwner::UpdateInfo& updateInfo) noexcept
{
    if (GetLength () == 0) {
        AssertNotNull (GetOwner ()->PeekAtTextStore ());
        GetOwner ()->PeekAtTextStore ()->RemoveMarker (this);
        Delete (); // calls 'delete this', after doing much other needed cleanup
    }
    else {
        SimpleEmbeddedObjectStyleMarker::DidUpdateText (updateInfo);
    }
}
 
void Led_MFC_ControlItem::PostCreateSpecifyExtraInfo (TWIPS_Point size)
{
    //                  SetExtent (DPtoHIMETRIC (AsSIZE (size)));
    // Cannot call SetExtent() here. Only after we've called Run () - otherwise exception.
    // Really I think all my current logic for deadling with sizes of embeddings is questionable. I just don't
    // understand it very well.
    //
    // Probably, all needs to be redone. Anyhow, for now, setting fSize field seems to work pretty well.
    // LGP 971017
    fSize = Led_Size (Led_CvtScreenPixelsFromTWIPSV (size.v), Led_CvtScreenPixelsFromTWIPSH (size.h));
}
 
SDKString Led_MFC_ControlItem::GetObjClassName () const
{
    CLSID clsid;
    GetClassID (&clsid);
    LPOLESTR oleStr = NULL;
    if (::ProgIDFromCLSID (clsid, &oleStr) == S_OK) {
        SDKString result = SDKString{::CString (oleStr)};
        ::CoTaskMemFree (oleStr);
        return result;
    }
    return SDKString{};
}
 
struct MyOLEStream_output : OLESTREAM {
    OLESTREAMVTBL theVTbl;
    vector<char>  fData;
    static DWORD __stdcall MyOLE1STREAMPutter (LPOLESTREAM lpoleStr, const void* data, DWORD nb)
    {
        MyOLEStream_output* myStream = (MyOLEStream_output*)lpoleStr;
        using ci                     = const char*;
        myStream->fData.insert (myStream->fData.end (), ci (data), ci (data) + nb);
        return nb;
    }
    MyOLEStream_output ()
    {
        lpstbl      = &theVTbl;
        theVTbl.Get = NULL;
        theVTbl.Put = MyOLE1STREAMPutter;
    }
};
void Led_MFC_ControlItem::DoWriteToOLE1Stream (size_t* nBytes, byte** resultData)
{
    IStorage*        pStorage = NULL;
    IPersistStorage* ips      = NULL;
    try {
        // Create a tmp storage
        CheckGeneral (::StgCreateDocfile (NULL, STGM_DIRECT | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pStorage));
        AssertNotNull (pStorage);
 
        // Get IPersistStorage interface, and save data to my storage
        CheckGeneral (m_lpObject->QueryInterface (IID_IPersistStorage, (LPVOID*)&ips));
        AssertNotNull (ips);
        CLSID myCLSID;
        GetClassID (&myCLSID);
        CheckGeneral (::WriteClassStg (pStorage, myCLSID));
        DISABLE_COMPILER_MSC_WARNING_START (6011) // safe because ips != null = due to assert on QueryInterface above
        CheckGeneral (ips->Save (pStorage, false));
        CheckGeneral (ips->SaveCompleted (pStorage));
        DISABLE_COMPILER_MSC_WARNING_END (6011) // safe because ips != null = due to assert on QueryInterface above
 
        // Convert storage into array of bytes
        MyOLEStream_output myStream;
        CheckGeneral (::OleConvertIStorageToOLESTREAM (pStorage, &myStream));
        *nBytes     = myStream.fData.size ();
        *resultData = new byte[*nBytes];
        (void)::memcpy (*resultData, Traversal::Iterator2Pointer (myStream.fData.begin ()), *nBytes);
    }
    catch (...) {
        if (pStorage != NULL) {
            pStorage->Release ();
        }
        throw;
    }
    pStorage->Release ();
    ips->Release ();
}
 
Led_Size Led_MFC_ControlItem::GetSize ()
{
    return fSize;
}
 
bool Led_MFC_ControlItem::HandleOpen ()
{
    (void)DoVerb (OLEIVERB_PRIMARY, NULL); // invoke in-place editing, or whatever the primary verb for the object is...
    return false;                          // eat the open command
}
 
vector<Led_MFC_ControlItem::PrivateCmdNumber> Led_MFC_ControlItem::GetCmdNumbers () const
{
    vector<PrivateCmdNumber> x;
    x.push_back (eOpenCmdNum);
    return x;
}
 
bool Led_MFC_ControlItem::IsCmdEnabled (PrivateCmdNumber cmd) const
{
    switch (cmd) {
        case eOpenCmdNum:
            return true;
        default:
            return SimpleEmbeddedObjectStyleMarker::IsCmdEnabled (cmd);
    }
}
 
#if qStroika_Foundation_Debug_AssertionsChecked
COleDocument& Led_MFC_ControlItem::GetDocument () const
{
    COleDocument* result = (COleDocument*)COleClientItem::GetDocument ();
    EnsureNotNull (result);
    ASSERT_VALID (result);
    Assert (result->IsKindOf (RUNTIME_CLASS (COleDocument)));
    return *result;
}
 
Led_MFC& Led_MFC_ControlItem::GetActiveView () const
{
    EnsureNotNull (COleClientItem::GetActiveView ());
    AssertMember (COleClientItem::GetActiveView (), Led_MFC);
    return *(Led_MFC*)COleClientItem::GetActiveView ();
}
#endif
 
/*
 ********************************************************************************
 ******************** Led_MFC_ControlItem::DocContextDefiner ********************
 ********************************************************************************
 */
 
set<HWND> Led_MFC_ControlItem::DocContextDefiner::sWindowsWhichHadDisplaySuppressed;
 
#endif
#endif