IIPOBJ.CPP

/* 
* IIPOBJ.CPP
* Polyline Component Chapter 23
*
* IOleInPlaceObject 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"


/*
* CImpIOleInPlaceObject::CImpIOleInPlaceObject
* CImpIOleInPlaceObject::~CImpIOleInPlaceObject
*
* Parameters (Constructor):
* pObj PCPolyline of the object we're in.
* pUnkOuter LPUNKNOWN to which we delegate.
*/

CImpIOleInPlaceObject::CImpIOleInPlaceObject(PCPolyline pObj
, LPUNKNOWN pUnkOuter)
{
m_cRef=0;
m_pObj=pObj;
m_pUnkOuter=pUnkOuter;
return;
}

CImpIOleInPlaceObject::~CImpIOleInPlaceObject(void)
{
return;
}



/*
* CImpIOleInPlaceObject::QueryInterface
* CImpIOleInPlaceObject::AddRef
* CImpIOleInPlaceObject::Release
*
* Purpose:
* IUnknown members for CImpIOleInPlaceObject object.
*/

STDMETHODIMP CImpIOleInPlaceObject::QueryInterface(REFIID riid
, PPVOID ppv)
{
return m_pUnkOuter->QueryInterface(riid, ppv);
}


STDMETHODIMP_(ULONG) CImpIOleInPlaceObject::AddRef(void)
{
++m_cRef;
return m_pUnkOuter->AddRef();
}

STDMETHODIMP_(ULONG) CImpIOleInPlaceObject::Release(void)
{
--m_cRef;
return m_pUnkOuter->Release();
}




/*
* CImpIOleInPlaceObject::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 CImpIOleInPlaceObject::GetWindow(HWND *phWnd)
{
if (NULL!=m_pObj->m_pHW)
*phWnd=m_pObj->m_pHW->Window();
else
*phWnd=m_pObj->m_hWnd;

return NOERROR;
}




/*
* CImpIOleInPlaceObject::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 CImpIOleInPlaceObject::ContextSensitiveHelp
(BOOL fEnterMode)
{
return ResultFromScode(E_NOTIMPL);
}




/*
* CImpIOleInPlaceObject::InPlaceDeactivate
*
* Purpose:
* Instructs the object to deactivate itself from an in-place state
* and to discard any Undo state.
*
* Parameters:
* None
*
* Return Value:
* HRESULT NOERROR or an error code
*/

STDMETHODIMP CImpIOleInPlaceObject::InPlaceDeactivate(void)
{
m_pObj->InPlaceDeactivate();
return NOERROR;
}




/*
* CImpIOleInPlaceObject::UIDeactivate
*
* Purpose:
* Instructs the object to just remove any in-place user interface
* but to do no other deactivation. The object should just hide
* the UI components but not destroy them until InPlaceDeactivate
* is called.
*
* Parameters:
* None
*
* Return Value:
* HRESULT NOERROR or an error code
*/

STDMETHODIMP CImpIOleInPlaceObject::UIDeactivate(void)
{
m_pObj->UIDeactivate();
return NOERROR;
}




/*
* CImpIOleInPlaceObject::SetObjectRects
*
* Purpose:
* Provides the object with rectangles describing the position of
* the object in the container window as well as its visible area.
*
* Parameters:
* prcPos LPCRECT providing the object's full rectangle
* relative to the continer's document. The object
* should scale to this rectangle.
* prcClip LPCRECT describing the visible area of the object
* which should not draw outside these areas.
*
* Return Value:
* HRESULT NOERROR or an error code
*/

STDMETHODIMP CImpIOleInPlaceObject::SetObjectRects(LPCRECT prcPos
, LPCRECT prcClip)
{
if (NULL!=m_pObj->m_pHW)
m_pObj->m_pHW->RectsSet((LPRECT)prcPos, (LPRECT)prcClip);

return NOERROR;
}




/*
* CImpIOleInPlaceObject::ReactivateAndUndo
*
* Purpose:
* Instructs the object to reactivate itself in-place and perform
* whatever Undo means for it.
*
* Parameters:
* None
*
* Return Value:
* HRESULT NOERROR or an error code
*/

STDMETHODIMP CImpIOleInPlaceObject::ReactivateAndUndo(void)
{
return m_pObj->InPlaceActivate(m_pObj->m_pIOleClientSite, TRUE);
}