IIPAOBJ.CPP

/* 
 * IIPAOBJ.CPP 
 * Polyline Component Chapter 24 
 * 
 * IOleInPlaceActiveObject interface implementation for Polyline 
 * 
 * Copyright (c)1993-1995 Microsoft Corporation, All Rights Reserved 
 * 
 * Kraig Brockschmidt, Microsoft 
 * Internet  :  kraigb@microsoft.com 
 * Compuserve:  >INTERNET:kraigb@microsoft.com 
 */ 
 
 
#include "polyline.h" 
 
 
/* 
 * CImpIOleInPlaceActiveObject::CImpIOleInPlaceActiveObject 
 * CImpIOleInPlaceActiveObject::~CImpIOleInPlaceActiveObject 
 * 
 * Parameters (Constructor): 
 *  pObj            PCPolyline of the object we're in. 
 *  pUnkOuter       LPUNKNOWN to which we delegate. 
 */ 
 
CImpIOleInPlaceActiveObject::CImpIOleInPlaceActiveObject 
    (PCPolyline pObj, LPUNKNOWN pUnkOuter) 
    { 
    m_cRef=0; 
    m_pObj=pObj; 
    m_pUnkOuter=pUnkOuter; 
    return; 
    } 
 
CImpIOleInPlaceActiveObject::~CImpIOleInPlaceActiveObject(void) 
    { 
    return; 
    } 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::QueryInterface 
 * CImpIOleInPlaceActiveObject::AddRef 
 * CImpIOleInPlaceActiveObject::Release 
 * 
 * Purpose: 
 *  IUnknown members for CImpIOleInPlaceActiveObject object. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::QueryInterface(REFIID riid 
    , PPVOID ppv) 
    { 
    /* 
     * This interface should be stand-alone on an object such that a 
     * container cannot QueryInterface for it through any other 
     * object interface, relying instead of calls to SetActiveObject 
     * for it.  By implementing QueryInterface here ourselves, we 
     * prevent such abuses.  Note that reference counting still uses 
     * CFigure. 
     */ 
 
    *ppv=NULL; 
 
    if (IID_IUnknown==riid || IID_IOleWindow==riid 
        || IID_IOleInPlaceActiveObject==riid) 
        *ppv=this; 
 
    //AddRef any interface we'll return. 
    if (NULL!=*ppv) 
        { 
        ((LPUNKNOWN)*ppv)->AddRef(); 
        return NOERROR; 
        } 
 
    return ResultFromScode(E_NOINTERFACE); 
    } 
 
 
STDMETHODIMP_(ULONG) CImpIOleInPlaceActiveObject::AddRef(void) 
    { 
    ++m_cRef; 
    return m_pUnkOuter->AddRef(); 
    } 
 
STDMETHODIMP_(ULONG) CImpIOleInPlaceActiveObject::Release(void) 
    { 
    --m_cRef; 
    return m_pUnkOuter->Release(); 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::GetWindow 
 * 
 * Purpose: 
 *  Retrieves the handle of the window associated with the object on 
 *  which this interface is implemented. 
 * 
 * Parameters: 
 *  phWnd           HWND * in which to store the window handle. 
 * 
 * Return Value: 
 *  HRESULT         NOERROR if successful, E_FAIL if there is no 
 *                  window. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::GetWindow(HWND *phWnd) 
    { 
    *phWnd=m_pObj->m_pHW->Window();; 
    return NOERROR; 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::ContextSensitiveHelp 
 * 
 * Purpose: 
 *  Instructs the object on which this interface is implemented to 
 *  enter or leave a context-sensitive help mode. 
 * 
 * Parameters: 
 *  fEnterMode      BOOL TRUE to enter the mode, FALSE otherwise. 
 * 
 * Return Value: 
 *  HRESULT         NOERROR or an error code. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::ContextSensitiveHelp 
    (BOOL fEnterMode) 
    { 
    return ResultFromScode(E_NOTIMPL); 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::TranslateAccelerator 
 * 
 * Purpose: 
 *  Requests that the active in-place object translate the message 
 *  given in pMSG if appropriate.  This is only called for DLL 
 *  servers where the container's message loop is running.  EXE 
 *  servers have control of the message loop so this will not be 
 *  called in such cases. 
 * 
 * Parameters: 
 *  pMSG            LPMSG to the message to translate. 
 * 
 * Return Value: 
 *  HRESULT         NOERROR if translates, S_FALSE if not. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::TranslateAccelerator 
    (LPMSG pMSG) 
    { 
    //We have no accelerators, but this is called anyway 
    return ResultFromScode(S_FALSE); 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::OnFrameWindowActivate 
 * 
 * Purpose: 
 *  Informs the in-place object that the container's frame window 
 *  was either activated or deactivated.  Not currently used. 
 * 
 * Parameters: 
 *  fActivate       BOOL TRUE if the frame is active, 
 *                  FALSE otherwise 
 * 
 * Return Value: 
 *  HRESULT         NOERROR or an error code. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::OnFrameWindowActivate 
    (BOOL fActivate) 
    { 
    return ResultFromScode(E_NOTIMPL); 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::OnDocWindowActivate 
 * 
 * Purpose: 
 *  Informs the in-place object that the document window in the 
 *  container is either becoming active or deactive.  On this call 
 *  the object must either add or remove frame-level tools, 
 *  including the mixed menu, depending on fActivate. 
 * 
 * Parameters: 
 *  fActivate       BOOL TRUE if the document is active, 
 *                  FALSE otherwise 
 * 
 * Return Value: 
 *  HRESULT         NOERROR or an error code. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::OnDocWindowActivate 
    (BOOL fActivate) 
    { 
    if (NULL==m_pObj->m_pIOleIPFrame) 
        return NOERROR; 
 
    if (fActivate) 
        { 
       #ifdef WIN32ANSI 
        OLECHAR     szTemp[40]; 
 
        MultiByteToWideChar(CP_ACP, 0 
            , (*m_pObj->m_pST)[IDS_USERTYPE], -1, szTemp, 40); 
        m_pObj->m_pIOleIPFrame->SetActiveObject(this 
            , szTemp); 
       #else 
        m_pObj->m_pIOleIPFrame->SetActiveObject(this 
            , (*m_pObj->m_pST)[IDS_USERTYPE]); 
       #endif 
 
        m_pObj->m_pIOleIPFrame->SetMenu(m_pObj->m_hMenuShared 
            , m_pObj->m_hOLEMenu, m_pObj->m_hWnd); 
 
        //Nothing to do with tools. 
        } 
    else 
        { 
        m_pObj->m_pIOleIPFrame->SetActiveObject(NULL, NULL); 
        } 
 
    return NOERROR; 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::ResizeBorder 
 * 
 * Purpose: 
 *  Informs the object that the frame or document size changed in 
 *  which case the object may need to resize any of its frame or 
 *  document-level tools to match. 
 * 
 * Parameters: 
 *  pRect           LPCRECT indicating the new size of the window 
 *                  of interest. 
 *  pIUIWindow      LPOLEINPLACEUIWINDOW pointing to an 
 *                  IOleInPlaceUIWindow interface on the container 
 *                  object of interest.  We use this to do 
 *                  border-space negotiation. 
 * 
 *  fFrame          BOOL indicating if the frame was resized (TRUE) 
 *                  or the document (FALSE) 
 * 
 * Return Value: 
 *  HRESULT         NOERROR or an error code. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::ResizeBorder(LPCRECT pRect 
    , LPOLEINPLACEUIWINDOW pIUIWindow, BOOL fFrame) 
    { 
    return ResultFromScode(E_NOTIMPL); 
    } 
 
 
 
 
/* 
 * CImpIOleInPlaceActiveObject::EnableModeless 
 * 
 * Purpose: 
 *  Instructs the object to show or hide any modeless popup windows 
 *  that it may be using when activated in-place. 
 * 
 * Parameters: 
 *  fEnable         BOOL indicating to enable/show the windows 
 *                  (TRUE) or to hide them (FALSE). 
 * 
 * Return Value: 
 *  HRESULT         NOERROR or an error code. 
 */ 
 
STDMETHODIMP CImpIOleInPlaceActiveObject::EnableModeless 
    (BOOL fActivate) 
    { 
    return ResultFromScode(E_NOTIMPL); 
    }