gecko-dev/webshell/embed/ActiveX/ControlSite.cpp
1999-08-19 20:53:56 +00:00

975 lines
21 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "StdAfx.h"
#include "ControlSite.h"
std::list<CControlSite *> CControlSite::m_cControlList;
// Constructor
CControlSite::CControlSite()
{
NG_TRACE_METHOD(CControlSite::CControlSite);
m_hWndParent = NULL;
m_clsid = CLSID_NULL;
m_bSetClientSiteFirst = FALSE;
m_bVisibleAtRuntime = TRUE;
memset(&m_rcObjectPos, 0, sizeof(m_rcObjectPos));
m_bInPlaceActive = FALSE;
m_bUIActive = FALSE;
m_bInPlaceLocked = FALSE;
m_bWindowless = FALSE;
m_bSupportWindowlessActivation = TRUE;
// Initialise ambient properties
m_nAmbientLocale = 0;
m_clrAmbientForeColor = ::GetSysColor(COLOR_WINDOWTEXT);
m_clrAmbientBackColor = ::GetSysColor(COLOR_WINDOW);
m_bAmbientUserMode = true;
m_bAmbientShowHatching = true;
m_bAmbientShowGrabHandles = true;
// Add the control to the list
m_cControlList.push_back(this);
}
// Destructor
CControlSite::~CControlSite()
{
NG_TRACE_METHOD(CControlSite::~CControlSite);
Detach();
m_cControlList.remove(this);
}
// Create the specified control, optionally providing properties to initialise
// it with and a name.
HRESULT CControlSite::Create(REFCLSID clsid, PropertyList &pl, const tstring szName)
{
NG_TRACE_METHOD_ARGS(CControlSite::Create, "...,...,\"%s\"", szName.c_str());
m_clsid = clsid;
m_ParameterList = pl;
m_szName = szName;
// TODO see if object is script safe
// Create the object
HRESULT hr = CoCreateInstance(clsid, NULL, CLSCTX_ALL, IID_IUnknown, (void **) &m_spObject);
if (FAILED(hr))
{
return E_FAIL;
}
return S_OK;
}
// Attach the created control to a window and activate it
HRESULT CControlSite::Attach(HWND hwndParent, const RECT &rcPos, IUnknown *pInitStream)
{
NG_TRACE_METHOD(CControlSite::Attach);
if (hwndParent == NULL)
{
NG_ASSERT(0);
return E_INVALIDARG;
}
m_hWndParent = hwndParent;
m_rcObjectPos = rcPos;
// Object must have been created
if (m_spObject == NULL)
{
return E_UNEXPECTED;
}
m_spIViewObject = m_spObject;
m_spIOleObject = m_spObject;
if (m_spIOleObject == NULL)
{
return E_FAIL;
}
DWORD dwMiscStatus;
m_spIOleObject->GetMiscStatus(DVASPECT_CONTENT, &dwMiscStatus);
if (dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST)
{
m_bSetClientSiteFirst = TRUE;
}
if (dwMiscStatus & OLEMISC_INVISIBLEATRUNTIME)
{
m_bVisibleAtRuntime = FALSE;
}
// Some objects like to have the client site as the first thing
// to be initialised (for ambient properties and so forth)
if (m_bSetClientSiteFirst)
{
m_spIOleObject->SetClientSite(this);
}
// If there is a parameter list for the object and no init stream then
// create one here.
CPropertyBagInstance *pPropertyBag = NULL;
if (pInitStream == NULL && m_ParameterList.size() >= 1)
{
CPropertyBagInstance::CreateInstance(&pPropertyBag);
pPropertyBag->AddRef();
for (PropertyList::const_iterator i = m_ParameterList.begin(); i != m_ParameterList.end(); i++)
{
pPropertyBag->Write((*i).szName, (VARIANT *) &(*i).vValue);
}
pInitStream = (IPersistPropertyBag *) pPropertyBag;
}
// Initialise the control from store if one is provided
if (pInitStream)
{
CComQIPtr<IPropertyBag, &IID_IPropertyBag> spPropertyBag = pInitStream;
CComQIPtr<IStream, &IID_IStream> spStream = pInitStream;
CComQIPtr<IPersistStream, &IID_IPersistStream> spIPersistStream = m_spIOleObject;
CComQIPtr<IPersistPropertyBag, &IID_IPersistPropertyBag> spIPersistPropertyBag = m_spIOleObject;
if (spIPersistPropertyBag && spPropertyBag)
{
spIPersistPropertyBag->Load(spPropertyBag, NULL);
}
else if (spIPersistStream && spStream)
{
spIPersistStream->Load(spStream);
}
}
else
{
// Initialise the object if possible
CComQIPtr<IPersistStreamInit, &IID_IPersistStreamInit> spIPersistStreamInit = m_spIOleObject;
if (spIPersistStreamInit)
{
spIPersistStreamInit->InitNew();
}
}
m_spIOleInPlaceObject = m_spObject;
m_spIOleInPlaceObjectWindowless = m_spObject;
m_spIOleInPlaceObject->SetObjectRects(&m_rcObjectPos, &m_rcObjectPos);
// In-place activate the object
if (m_bVisibleAtRuntime)
{
DoVerb(OLEIVERB_INPLACEACTIVATE);
}
// For those objects which haven't had their client site set yet,
// it's done here.
if (!m_bSetClientSiteFirst)
{
m_spIOleObject->SetClientSite(this);
}
return S_OK;
}
// Unhook the control from the window and throw it all away
HRESULT CControlSite::Detach()
{
NG_TRACE_METHOD(CControlSite::Detach);
if (m_spIOleInPlaceObjectWindowless)
{
m_spIOleInPlaceObjectWindowless.Release();
}
if (m_spIOleInPlaceObject)
{
m_spIOleInPlaceObject->InPlaceDeactivate();
m_spIOleInPlaceObject.Release();
}
if (m_spIOleObject)
{
m_spIOleObject->Close(OLECLOSE_NOSAVE);
m_spIOleObject->SetClientSite(NULL);
m_spIOleObject.Release();
}
m_spIViewObject.Release();
m_spObject.Release();
return S_OK;
}
// Return the IUnknown of the contained control
HRESULT CControlSite::GetControlUnknown(IUnknown **ppObject)
{
*ppObject = NULL;
if (m_spObject)
{
m_spObject->QueryInterface(IID_IUnknown, (void **) ppObject);
}
return S_OK;
}
// Subscribe to an event sink on the control
HRESULT CControlSite::Advise(IUnknown *pIUnkSink, const IID &iid, DWORD *pdwCookie)
{
if (m_spObject == NULL)
{
return E_UNEXPECTED;
}
if (pIUnkSink == NULL || pdwCookie == NULL)
{
return E_INVALIDARG;
}
return AtlAdvise(m_spObject, pIUnkSink, iid, pdwCookie);
}
// Unsubscribe event sink from the control
HRESULT CControlSite::Unadvise(const IID &iid, DWORD dwCookie)
{
if (m_spObject == NULL)
{
return E_UNEXPECTED;
}
return AtlUnadvise(m_spObject, iid, dwCookie);
}
// Draw the control
HRESULT CControlSite::Draw(HDC hdc)
{
NG_TRACE_METHOD(CControlSite::Draw);
// Draw only when control is windowless or deactivated
if (m_spIViewObject)
{
if (m_bWindowless || !m_bInPlaceActive)
{
RECTL *prcBounds = (m_bWindowless) ? NULL : (RECTL *) &m_rcObjectPos;
m_spIViewObject->Draw(DVASPECT_CONTENT, -1, NULL, NULL, NULL, hdc, prcBounds, NULL, NULL, 0);
}
}
else
{
// Draw something to indicate no control is there
HBRUSH hbr = CreateSolidBrush(RGB(200,200,200));
FillRect(hdc, &m_rcObjectPos, hbr);
DeleteObject(hbr);
}
return S_OK;
}
// Execute the specified verb
HRESULT CControlSite::DoVerb(LONG nVerb, LPMSG lpMsg)
{
NG_TRACE_METHOD(CControlSite::DoVerb);
if (m_spIOleObject == NULL)
{
return E_FAIL;
}
return m_spIOleObject->DoVerb(nVerb, lpMsg, this, 0, m_hWndParent, &m_rcObjectPos);
}
// Set the position on the control
HRESULT CControlSite::SetPosition(const RECT &rcPos)
{
NG_TRACE_METHOD(CControlSite::SetPosition);
m_rcObjectPos = rcPos;
if (m_spIOleInPlaceObject)
{
m_spIOleInPlaceObject->SetObjectRects(&m_rcObjectPos, &m_rcObjectPos);
}
return S_OK;
}
void CControlSite::FireAmbientPropertyChange(DISPID id)
{
if (m_spObject)
{
CIPtr(IOleControl) spControl = m_spObject;
if (spControl)
{
spControl->OnAmbientPropertyChange(id);
}
}
}
void CControlSite::SetAmbientUserMode(BOOL bUserMode)
{
bool bNewMode = bUserMode ? true : false;
if (m_bAmbientUserMode != bNewMode)
{
m_bAmbientUserMode = bNewMode;
FireAmbientPropertyChange(DISPID_AMBIENT_USERMODE);
}
}
///////////////////////////////////////////////////////////////////////////////
// IDispatch implementation
HRESULT STDMETHODCALLTYPE CControlSite::GetTypeInfoCount(/* [out] */ UINT __RPC_FAR *pctinfo)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetTypeInfo(/* [in] */ UINT iTInfo, /* [in] */ LCID lcid, /* [out] */ ITypeInfo __RPC_FAR *__RPC_FAR *ppTInfo)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetIDsOfNames(/* [in] */ REFIID riid, /* [size_is][in] */ LPOLESTR __RPC_FAR *rgszNames, /* [in] */ UINT cNames, /* [in] */ LCID lcid, /* [size_is][out] */ DISPID __RPC_FAR *rgDispId)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::Invoke(/* [in] */ DISPID dispIdMember, /* [in] */ REFIID riid, /* [in] */ LCID lcid, /* [in] */ WORD wFlags, /* [out][in] */ DISPPARAMS __RPC_FAR *pDispParams, /* [out] */ VARIANT __RPC_FAR *pVarResult, /* [out] */ EXCEPINFO __RPC_FAR *pExcepInfo, /* [out] */ UINT __RPC_FAR *puArgErr)
{
if (wFlags & DISPATCH_PROPERTYGET)
{
CComVariant vResult;
switch (dispIdMember)
{
case DISPID_AMBIENT_FORECOLOR:
vResult = CComVariant((long) m_clrAmbientForeColor);
break;
case DISPID_AMBIENT_BACKCOLOR:
vResult = CComVariant((long) m_clrAmbientBackColor);
break;
case DISPID_AMBIENT_LOCALEID:
vResult = CComVariant((long) m_nAmbientLocale);
break;
case DISPID_AMBIENT_USERMODE:
vResult = CComVariant(m_bAmbientUserMode);
break;
case DISPID_AMBIENT_SHOWGRABHANDLES:
vResult = CComVariant(m_bAmbientShowGrabHandles);
break;
case DISPID_AMBIENT_SHOWHATCHING:
vResult = CComVariant(m_bAmbientShowHatching);
break;
default:
return DISP_E_MEMBERNOTFOUND;
}
VariantCopy(pVarResult, &vResult);
return S_OK;
}
return E_FAIL;
}
///////////////////////////////////////////////////////////////////////////////
// IAdviseSink implementation
void STDMETHODCALLTYPE CControlSite::OnDataChange(/* [unique][in] */ FORMATETC __RPC_FAR *pFormatetc, /* [unique][in] */ STGMEDIUM __RPC_FAR *pStgmed)
{
}
void STDMETHODCALLTYPE CControlSite::OnViewChange(/* [in] */ DWORD dwAspect, /* [in] */ LONG lindex)
{
// Redraw the control
InvalidateRect(NULL, FALSE);
}
void STDMETHODCALLTYPE CControlSite::OnRename(/* [in] */ IMoniker __RPC_FAR *pmk)
{
}
void STDMETHODCALLTYPE CControlSite::OnSave(void)
{
}
void STDMETHODCALLTYPE CControlSite::OnClose(void)
{
}
///////////////////////////////////////////////////////////////////////////////
// IAdviseSink2 implementation
void STDMETHODCALLTYPE CControlSite::OnLinkSrcChange(/* [unique][in] */ IMoniker __RPC_FAR *pmk)
{
}
///////////////////////////////////////////////////////////////////////////////
// IAdviseSinkEx implementation
void STDMETHODCALLTYPE CControlSite::OnViewStatusChange(/* [in] */ DWORD dwViewStatus)
{
}
///////////////////////////////////////////////////////////////////////////////
// IOleWindow implementation
HRESULT STDMETHODCALLTYPE CControlSite::GetWindow(/* [out] */ HWND __RPC_FAR *phwnd)
{
*phwnd = m_hWndParent;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::ContextSensitiveHelp(/* [in] */ BOOL fEnterMode)
{
return S_OK;
}
///////////////////////////////////////////////////////////////////////////////
// IOleClientSite implementation
HRESULT STDMETHODCALLTYPE CControlSite::SaveObject(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetMoniker(/* [in] */ DWORD dwAssign, /* [in] */ DWORD dwWhichMoniker, /* [out] */ IMoniker __RPC_FAR *__RPC_FAR *ppmk)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetContainer(/* [out] */ IOleContainer __RPC_FAR *__RPC_FAR *ppContainer)
{
return E_NOINTERFACE;
}
HRESULT STDMETHODCALLTYPE CControlSite::ShowObject(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnShowWindow(/* [in] */ BOOL fShow)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::RequestNewObjectLayout(void)
{
return E_NOTIMPL;
}
///////////////////////////////////////////////////////////////////////////////
// IOleInPlaceSite implementation
HRESULT STDMETHODCALLTYPE CControlSite::CanInPlaceActivate(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnInPlaceActivate(void)
{
m_bInPlaceActive = TRUE;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnUIActivate(void)
{
m_bUIActive = TRUE;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetWindowContext(/* [out] */ IOleInPlaceFrame __RPC_FAR *__RPC_FAR *ppFrame, /* [out] */ IOleInPlaceUIWindow __RPC_FAR *__RPC_FAR *ppDoc, /* [out] */ LPRECT lprcPosRect, /* [out] */ LPRECT lprcClipRect, /* [out][in] */ LPOLEINPLACEFRAMEINFO lpFrameInfo)
{
*lprcPosRect = m_rcObjectPos;
*lprcClipRect = m_rcObjectPos;
CControlSiteIPFrameInstance *pIPFrame = NULL;
CControlSiteIPFrameInstance::CreateInstance(&pIPFrame);
pIPFrame->AddRef();
*ppFrame = (IOleInPlaceFrame *) pIPFrame;
*ppDoc = NULL;
lpFrameInfo->fMDIApp = FALSE;
lpFrameInfo->hwndFrame = NULL;
lpFrameInfo->haccel = NULL;
lpFrameInfo->cAccelEntries = 0;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::Scroll(/* [in] */ SIZE scrollExtant)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnUIDeactivate(/* [in] */ BOOL fUndoable)
{
m_bUIActive = FALSE;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnInPlaceDeactivate(void)
{
m_bInPlaceActive = FALSE;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::DiscardUndoState(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::DeactivateAndUndo(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnPosRectChange(/* [in] */ LPCRECT lprcPosRect)
{
return S_OK;
}
///////////////////////////////////////////////////////////////////////////////
// IOleInPlaceSiteEx implementation
HRESULT STDMETHODCALLTYPE CControlSite::OnInPlaceActivateEx(/* [out] */ BOOL __RPC_FAR *pfNoRedraw, /* [in] */ DWORD dwFlags)
{
m_bInPlaceActive = TRUE;
if (pfNoRedraw)
{
*pfNoRedraw = FALSE;
}
if (dwFlags & ACTIVATE_WINDOWLESS)
{
// TODO check if control is windowless
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnInPlaceDeactivateEx(/* [in] */ BOOL fNoRedraw)
{
m_bInPlaceActive = FALSE;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::RequestUIActivate(void)
{
return S_FALSE;
}
///////////////////////////////////////////////////////////////////////////////
// IOleInPlaceSiteWindowless implementation
HRESULT STDMETHODCALLTYPE CControlSite::CanWindowlessActivate(void)
{
// Allow windowless activation?
return (m_bSupportWindowlessActivation) ? S_OK : S_FALSE;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetCapture(void)
{
// TODO capture the mouse for the object
return S_FALSE;
}
HRESULT STDMETHODCALLTYPE CControlSite::SetCapture(/* [in] */ BOOL fCapture)
{
// TODO capture the mouse for the object
return S_FALSE;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetFocus(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::SetFocus(/* [in] */ BOOL fFocus)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetDC(/* [in] */ LPCRECT pRect, /* [in] */ DWORD grfFlags, /* [out] */ HDC __RPC_FAR *phDC)
{
if (phDC == NULL)
{
return E_INVALIDARG;
}
// Can't do nested painting
if (m_hDCBuffer != NULL)
{
return E_UNEXPECTED;
}
m_rcBuffer = m_rcObjectPos;
if (pRect != NULL)
{
m_rcBuffer = *pRect;
}
m_hBMBuffer = NULL;
m_dwBufferFlags = grfFlags;
// See if the control wants a DC that is onscreen or offscreen
if (m_dwBufferFlags & OLEDC_OFFSCREEN)
{
m_hDCBuffer = CreateCompatibleDC(NULL);
if (m_hDCBuffer == NULL)
{
// Error
return E_OUTOFMEMORY;
}
long cx = m_rcBuffer.right - m_rcBuffer.left;
long cy = m_rcBuffer.bottom - m_rcBuffer.top;
m_hBMBuffer = CreateCompatibleBitmap(m_hDCBuffer, cx, cy);
m_hBMBufferOld = (HBITMAP) SelectObject(m_hDCBuffer, m_hBMBuffer);
SetViewportOrgEx(m_hDCBuffer, m_rcBuffer.left, m_rcBuffer.top, NULL);
// TODO When OLEDC_PAINTBKGND we must draw every site behind this one
}
else
{
// TODO When OLEDC_PAINTBKGND we must draw every site behind this one
// Get the window DC
m_hDCBuffer = GetWindowDC(m_hWndParent);
if (m_hDCBuffer == NULL)
{
// Error
return E_OUTOFMEMORY;
}
// Clip the control so it can't trash anywhere it isn't allowed to draw
if (!(m_dwBufferFlags & OLEDC_NODRAW))
{
m_hRgnBuffer = CreateRectRgnIndirect(&m_rcBuffer);
// TODO Clip out opaque areas of sites behind this one
SelectClipRgn(m_hDCBuffer, m_hRgnBuffer);
}
}
*phDC = m_hDCBuffer;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::ReleaseDC(/* [in] */ HDC hDC)
{
// Release the DC
NG_ASSERT(hDC);
if (hDC == NULL || hDC != m_hDCBuffer)
{
return E_INVALIDARG;
}
// Test if the DC was offscreen or onscreen
if (m_dwBufferFlags & OLEDC_OFFSCREEN)
{
// BitBlt the buffer into the control's object
SetViewportOrgEx(m_hDCBuffer, 0, 0, NULL);
HDC hdc = GetWindowDC(m_hWndParent);
long cx = m_rcBuffer.right - m_rcBuffer.left;
long cy = m_rcBuffer.bottom - m_rcBuffer.top;
BitBlt(hdc, m_rcBuffer.left, m_rcBuffer.top, cx, cy, m_hDCBuffer, 0, 0, SRCCOPY);
::ReleaseDC(m_hWndParent, hdc);
}
else
{
// TODO If OLEDC_PAINTBKGND is set draw the DVASPECT_CONTENT of every object above this one
}
// Clean up settings ready for next drawing
if (m_hRgnBuffer)
{
SelectClipRgn(m_hDCBuffer, NULL);
DeleteObject(m_hRgnBuffer);
m_hRgnBuffer = NULL;
}
SelectObject(m_hDCBuffer, m_hBMBufferOld);
if (m_hBMBuffer)
{
DeleteObject(m_hBMBuffer);
m_hBMBuffer = NULL;
}
::ReleaseDC(m_hWndParent, m_hDCBuffer);
m_hDCBuffer = NULL;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::InvalidateRect(/* [in] */ LPCRECT pRect, /* [in] */ BOOL fErase)
{
// Clip the rectangle against the object's size and invalidate it
RECT rcI = { 0, 0, 0, 0 };
if (pRect == NULL)
{
rcI = m_rcObjectPos;
}
else
{
IntersectRect(&rcI, &m_rcObjectPos, pRect);
}
::InvalidateRect(m_hWndParent, &rcI, fErase);
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::InvalidateRgn(/* [in] */ HRGN hRGN, /* [in] */ BOOL fErase)
{
if (hRGN == NULL)
{
::InvalidateRect(m_hWndParent, &m_rcObjectPos, fErase);
}
else
{
// Clip the region with the object's bounding area
HRGN hrgnClip = CreateRectRgnIndirect(&m_rcObjectPos);
if (CombineRgn(hrgnClip, hrgnClip, hRGN, RGN_AND) != ERROR)
{
::InvalidateRgn(m_hWndParent, hrgnClip, fErase);
}
DeleteObject(hrgnClip);
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::ScrollRect(/* [in] */ INT dx, /* [in] */ INT dy, /* [in] */ LPCRECT pRectScroll, /* [in] */ LPCRECT pRectClip)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::AdjustRect(/* [out][in] */ LPRECT prc)
{
if (prc == NULL)
{
return E_INVALIDARG;
}
// Clip the rectangle against the object position
RECT rcI = { 0, 0, 0, 0 };
IntersectRect(&rcI, &m_rcObjectPos, prc);
*prc = rcI;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnDefWindowMessage(/* [in] */ UINT msg, /* [in] */ WPARAM wParam, /* [in] */ LPARAM lParam, /* [out] */ LRESULT __RPC_FAR *plResult)
{
if (plResult == NULL)
{
return E_INVALIDARG;
}
// Pass the message to the windowless control
if (m_bWindowless && m_spIOleInPlaceObjectWindowless)
{
return m_spIOleInPlaceObjectWindowless->OnWindowMessage(msg, wParam, lParam, plResult);
}
return S_FALSE;
}
///////////////////////////////////////////////////////////////////////////////
// IOleControlSite implementation
HRESULT STDMETHODCALLTYPE CControlSite::OnControlInfoChanged(void)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::LockInPlaceActive(/* [in] */ BOOL fLock)
{
m_bInPlaceLocked = fLock;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::GetExtendedControl(/* [out] */ IDispatch __RPC_FAR *__RPC_FAR *ppDisp)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::TransformCoords(/* [out][in] */ POINTL __RPC_FAR *pPtlHimetric, /* [out][in] */ POINTF __RPC_FAR *pPtfContainer, /* [in] */ DWORD dwFlags)
{
HRESULT hr = S_OK;
if (pPtlHimetric == NULL)
{
return E_INVALIDARG;
}
if (pPtfContainer == NULL)
{
return E_INVALIDARG;
}
HDC hdc = ::GetDC(m_hWndParent);
::SetMapMode(hdc, MM_HIMETRIC);
POINT rgptConvert[2];
rgptConvert[0].x = 0;
rgptConvert[0].y = 0;
if (dwFlags & XFORMCOORDS_HIMETRICTOCONTAINER)
{
rgptConvert[1].x = pPtlHimetric->x;
rgptConvert[1].y = pPtlHimetric->y;
::LPtoDP(hdc, rgptConvert, 2);
if (dwFlags & XFORMCOORDS_SIZE)
{
pPtfContainer->x = (float)(rgptConvert[1].x - rgptConvert[0].x);
pPtfContainer->y = (float)(rgptConvert[0].y - rgptConvert[1].y);
}
else if (dwFlags & XFORMCOORDS_POSITION)
{
pPtfContainer->x = (float)rgptConvert[1].x;
pPtfContainer->y = (float)rgptConvert[1].y;
}
else
{
hr = E_INVALIDARG;
}
}
else if (dwFlags & XFORMCOORDS_CONTAINERTOHIMETRIC)
{
rgptConvert[1].x = (int)(pPtfContainer->x);
rgptConvert[1].y = (int)(pPtfContainer->y);
::DPtoLP(hdc, rgptConvert, 2);
if (dwFlags & XFORMCOORDS_SIZE)
{
pPtlHimetric->x = rgptConvert[1].x - rgptConvert[0].x;
pPtlHimetric->y = rgptConvert[0].y - rgptConvert[1].y;
}
else if (dwFlags & XFORMCOORDS_POSITION)
{
pPtlHimetric->x = rgptConvert[1].x;
pPtlHimetric->y = rgptConvert[1].y;
}
else
{
hr = E_INVALIDARG;
}
}
else
{
hr = E_INVALIDARG;
}
::ReleaseDC(m_hWndParent, hdc);
return hr;
}
HRESULT STDMETHODCALLTYPE CControlSite::TranslateAccelerator(/* [in] */ MSG __RPC_FAR *pMsg, /* [in] */ DWORD grfModifiers)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CControlSite::OnFocus(/* [in] */ BOOL fGotFocus)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CControlSite::ShowPropertyFrame(void)
{
return E_NOTIMPL;
}