// This is a part of the Microsoft Foundation Classes C++ library. // Copyright (C) 1992-1995 Microsoft Corporation // All rights reserved. // // This source code is only intended as a supplement to the // Microsoft Foundation Classes Reference and related // electronic documentation provided with the library. // See these sources for detailed information regarding the // Microsoft Foundation Classes product. #include "stdafx.h" #include "occimpl.h" #ifdef AFX_OCC_SEG #pragma code_seg(AFX_OCC_SEG) #endif #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define new DEBUG_NEW ///////////////////////////////////////////////////////////////////////////// // COleControlSite BEGIN_INTERFACE_MAP(COleControlSite, CCmdTarget) INTERFACE_PART(COleControlSite, IID_IOleClientSite, OleClientSite) INTERFACE_PART(COleControlSite, IID_IOleInPlaceSite, OleIPSite) INTERFACE_PART(COleControlSite, IID_IOleControlSite, OleControlSite) INTERFACE_PART(COleControlSite, IID_IDispatch, AmbientProps) END_INTERFACE_MAP() COleControlSite::COleControlSite(COleControlContainer* pCtrlCont) : m_pCtrlCont(pCtrlCont), m_pWndCtrl(NULL), m_nID((UINT)-1), m_pObject(NULL), m_pInPlaceObject(NULL), m_pActiveObject(NULL), m_dwEventSink(0), m_dwPropNotifySink(0), m_dwMiscStatus(0) { } COleControlSite::~COleControlSite() { DetachWindow(); DisconnectSink(m_iidEvents, m_dwEventSink); DisconnectSink(IID_IPropertyNotifySink, m_dwPropNotifySink); if (m_pInPlaceObject != NULL) { m_pInPlaceObject->InPlaceDeactivate(); m_pInPlaceObject->Release(); } if (m_pObject != NULL) { m_pObject->SetClientSite(NULL); m_pObject->Release(); } if (m_pActiveObject != NULL) m_pActiveObject->Release(); } BOOL COleControlSite::SetExtent() { CSize size(m_rect.Size()); CClientDC dc(NULL); dc.DPtoHIMETRIC(&size); HRESULT hr; if (SUCCEEDED(hr = m_pObject->SetExtent(DVASPECT_CONTENT, (SIZEL*)&size))) { if (SUCCEEDED(m_pObject->GetExtent(DVASPECT_CONTENT, (SIZEL*)&size))) { dc.HIMETRICtoDP(&size); m_rect.right = m_rect.left + size.cx; m_rect.bottom = m_rect.top + size.cy; } } return SUCCEEDED(hr); } HRESULT COleControlSite::CreateControl(CWnd* pWndCtrl, REFCLSID clsid, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, UINT nID, CFile* pPersist, BOOL bStorage, BSTR bstrLicKey) { HRESULT hr = E_FAIL; m_hWnd = NULL; // Connect the OLE Control with its proxy CWnd object if (pWndCtrl != NULL) { ASSERT(pWndCtrl->m_pCtrlSite == NULL); m_pWndCtrl = pWndCtrl; pWndCtrl->m_pCtrlSite = this; } // Initialize OLE, if necessary _AFX_OLE_STATE* pOleState = _afxOleState; if (!pOleState->m_bNeedTerm && !AfxOleInit()) return hr; if (SUCCEEDED(hr = CreateOrLoad(clsid, pPersist, bStorage, bstrLicKey))) { ASSERT(m_pObject != NULL); m_nID = nID; m_rect = rect; m_dwStyleMask = WS_GROUP | WS_TABSTOP; if (m_dwMiscStatus & OLEMISC_ACTSLIKEBUTTON) m_dwStyleMask |= BS_DEFPUSHBUTTON; if (m_dwMiscStatus & OLEMISC_INVISIBLEATRUNTIME) dwStyle &= ~WS_VISIBLE; m_dwStyle = dwStyle & m_dwStyleMask; GetEventIID(&m_iidEvents); m_dwEventSink = ConnectSink(m_iidEvents, &m_xEventSink); m_dwPropNotifySink = ConnectSink(IID_IPropertyNotifySink, &m_xPropertyNotifySink); // Now that the object has been created, attempt to // in-place activate it. if (!SetExtent()) TRACE1("Warning: SetExtent on OLE control (dialog ID %d) failed.\n", nID); if (SUCCEEDED(hr = m_pObject->QueryInterface(IID_IOleInPlaceObject, (LPVOID*)&m_pInPlaceObject))) { if (dwStyle & WS_VISIBLE) { // control is visible: just activate it hr = DoVerb(OLEIVERB_INPLACEACTIVATE); } else { // control is not visible: activate off-screen, hide, then move m_rect.OffsetRect(-32000, -32000); if (SUCCEEDED(hr = DoVerb(OLEIVERB_INPLACEACTIVATE)) && SUCCEEDED(hr = DoVerb(OLEIVERB_HIDE))) { m_rect.OffsetRect(32000, 32000); hr = m_pInPlaceObject->SetObjectRects(m_rect, m_rect); } } } else { TRACE1("IOleInPlaceObject not supported on OLE control (dialog ID %d).\n", nID); TRACE1(">>> Result code: 0x%08lx\n", hr); } if (SUCCEEDED(hr)) GetControlInfo(); // if QueryInterface or activation failed, cleanup everything if (FAILED(hr)) { if (m_pInPlaceObject != NULL) { m_pInPlaceObject->Release(); m_pInPlaceObject = NULL; } DisconnectSink(m_iidEvents, m_dwEventSink); DisconnectSink(IID_IPropertyNotifySink, m_dwPropNotifySink); m_dwEventSink = 0; m_dwPropNotifySink = 0; m_pObject->Release(); m_pObject = NULL; } } if (SUCCEEDED(hr)) { AttachWindow(); ASSERT(m_hWnd != NULL); // Initialize the control's Caption or Text property, if any if (lpszWindowName != NULL) SetWindowText(lpszWindowName); // Initialize styles ModifyStyle(0, m_dwStyle | (dwStyle & (WS_DISABLED|WS_BORDER)), 0); } return hr; } BOOL COleControlSite::DestroyControl() { ASSERT(m_hWnd != NULL); // was control ever successfully created? m_pCtrlCont->m_siteMap.RemoveKey(m_hWnd); delete this; return TRUE; } static HRESULT CoCreateInstanceLic(REFCLSID clsid, LPUNKNOWN pUnkOuter, DWORD dwClsCtx, REFIID iid, LPVOID* ppv, BSTR bstrLicKey) { HRESULT hr; if (bstrLicKey == NULL) { LPCLASSFACTORY pClassFactory = NULL; if (SUCCEEDED(hr = CoGetClassObject(clsid, dwClsCtx, NULL, IID_IClassFactory, (void**)&pClassFactory))) { ASSERT(pClassFactory != NULL); hr = pClassFactory->CreateInstance(pUnkOuter, iid, ppv); pClassFactory->Release(); } } else { LPCLASSFACTORY2 pClassFactory = NULL; if (SUCCEEDED(hr = CoGetClassObject(clsid, dwClsCtx, NULL, IID_IClassFactory2, (void**)&pClassFactory))) { ASSERT(pClassFactory != NULL); hr = pClassFactory->CreateInstanceLic(pUnkOuter, NULL, iid, bstrLicKey, ppv); pClassFactory->Release(); } } return hr; } HRESULT COleControlSite::CreateOrLoad(REFCLSID clsid, CFile* pFile, BOOL bStorage, BSTR bstrLicKey) { ASSERT(m_pObject == NULL); HRESULT hr; CLSID clsidActual; if (FAILED(OleGetAutoConvert(clsid, &clsidActual))) clsidActual = clsid; #ifdef _DEBUG OLECHAR wszClsid[40]; StringFromGUID2(clsidActual, wszClsid, 40); #endif //_DEBUG if (FAILED(hr = CoCreateInstanceLic(clsidActual, NULL, CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER, IID_IOleObject, (void**)&m_pObject, bstrLicKey))) { TRACE1("CoCreateInstance of OLE control %ls failed.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); TRACE0(">>> Is the control is properly registered?\n"); return hr; } LPPERSISTSTREAMINIT pPersStm = NULL; LPPERSISTSTORAGE pPersStg = NULL; LPPERSISTMEMORY pPersMem = NULL; m_pObject->GetMiscStatus(DVASPECT_CONTENT, &m_dwMiscStatus); // set client site first, if appropriate if (m_dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST) { if (FAILED(hr = m_pObject->SetClientSite(&m_xOleClientSite))) { TRACE1("SetClientSite on OLE control %ls failed.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); goto CreateOrLoadFailed; } } ASSERT(!bStorage || pFile != NULL); // initialize via IPersistMemory (direct buffering) if (pFile != NULL && !bStorage && SUCCEEDED(m_pObject->QueryInterface(IID_IPersistMemory, (void**)&pPersMem)) && pFile->GetBufferPtr(CFile::bufferCheck) != 0) { ASSERT(pPersMem != NULL); // file supports direct buffering, get its buffer pointer and size LPVOID pvBuffer = NULL; LPVOID pvEnd; ULONG cbBuffer = pFile->GetBufferPtr( CFile::bufferRead, (UINT)-1, &pvBuffer, &pvEnd); ASSERT(((LPBYTE)pvEnd - (LPBYTE)pvBuffer) == (int)cbBuffer); // and then load it directly hr = pPersMem->Load(pvBuffer, cbBuffer); pPersMem->Release(); pPersMem = NULL; if (FAILED(hr)) goto CreateOrLoadFailed; } // initialize via IPersistStreamInit else if (!bStorage && SUCCEEDED(m_pObject->QueryInterface( IID_IPersistStreamInit, (void**)&pPersStm))) { ASSERT(pPersStm != NULL); if (pFile == NULL) { // just call InitNew hr = pPersStm->InitNew(); } else { // open an IStream on the data and pass it to Load CArchive ar(pFile, CArchive::load); CArchiveStream stm(&ar); hr = pPersStm->Load(&stm); } pPersStm->Release(); if (FAILED(hr)) { TRACE1("InitNew or Load on OLE control %ls failed.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); goto CreateOrLoadFailed; } } // initialize via IPersistStorage else if (SUCCEEDED(m_pObject->QueryInterface( IID_IPersistStorage, (void**)&pPersStg))) { ASSERT(pPersStg != NULL); if (pFile == NULL) { // create a scratch IStorage and pass it to InitNew LPLOCKBYTES pLockBytes = NULL; if (SUCCEEDED(hr = CreateILockBytesOnHGlobal(NULL, TRUE, &pLockBytes))) { ASSERT(pLockBytes != NULL); LPSTORAGE pStorage = NULL; if (SUCCEEDED(hr = StgCreateDocfileOnILockBytes(pLockBytes, STGM_CREATE | STGM_READWRITE | STGM_SHARE_EXCLUSIVE, 0, &pStorage))) { ASSERT(pStorage != NULL); hr = pPersStg->InitNew(pStorage); pStorage->Release(); } pLockBytes->Release(); } } else if (bStorage) { // copy data to an HGLOBAL, so we can build an IStorage on it UINT cb = pFile->GetLength(); HGLOBAL hGlobal; BYTE* pbData; if (((hGlobal = GlobalAlloc(GMEM_FIXED, cb)) != NULL) && ((pbData = (BYTE*)GlobalLock(hGlobal)) != NULL)) { pFile->Read(pbData, cb); GlobalUnlock(hGlobal); } else { hr = E_OUTOFMEMORY; hGlobal = NULL; } // open an IStorage on the data and pass it to Load LPLOCKBYTES pLockBytes = NULL; if ((hGlobal != NULL) && SUCCEEDED(hr = CreateILockBytesOnHGlobal(hGlobal, TRUE, &pLockBytes))) { ASSERT(pLockBytes != NULL); LPSTORAGE pStorage = NULL; if (SUCCEEDED(hr = StgOpenStorageOnILockBytes(pLockBytes, NULL, STGM_READWRITE | STGM_SHARE_EXCLUSIVE, NULL, 0, &pStorage))) { ASSERT(pStorage != NULL); hr = pPersStg->Load(pStorage); pStorage->Release(); } pLockBytes->Release(); } } else { hr = E_UNEXPECTED; } pPersStg->Release(); if (FAILED(hr)) { TRACE1("InitNew or Load on OLE control %ls failed.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); goto CreateOrLoadFailed; } } else { TRACE1("Persistence not supported on OLE control %ls.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); goto CreateOrLoadFailed; } // set client site last, if appropriate if (!(m_dwMiscStatus & OLEMISC_SETCLIENTSITEFIRST)) { if (FAILED(hr = m_pObject->SetClientSite(&m_xOleClientSite))) { TRACE1("SetClientSite on OLE control %ls failed.\n", wszClsid); TRACE1(">>> Result code: 0x%08lx\n", hr); goto CreateOrLoadFailed; } } CreateOrLoadFailed: if (FAILED(hr) && (m_pObject != NULL)) { m_pObject->Release(); m_pObject = NULL; } if (pPersMem != NULL) pPersMem->Release(); return hr; } UINT COleControlSite::GetID() { return m_nID; } HRESULT COleControlSite::DoVerb(LONG nVerb, LPMSG lpMsg) { return m_pObject->DoVerb(nVerb, lpMsg, &m_xOleClientSite, 0, m_pCtrlCont->m_pWnd->m_hWnd, m_rect); } BOOL COleControlSite::IsDefaultButton() { return ((m_dwMiscStatus & OLEMISC_ACTSLIKEBUTTON) && (m_dwStyle & BS_DEFPUSHBUTTON)); } DWORD COleControlSite::GetDefBtnCode() { if (m_dwMiscStatus & OLEMISC_ACTSLIKEBUTTON) return (m_dwStyle & BS_DEFPUSHBUTTON) ? DLGC_DEFPUSHBUTTON : DLGC_UNDEFPUSHBUTTON; else return 0; } void COleControlSite::SetDefaultButton(BOOL bDefault) { if (!m_dwMiscStatus & OLEMISC_ACTSLIKEBUTTON) return; if (((m_dwStyle & BS_DEFPUSHBUTTON) != 0) == bDefault) return; m_dwStyle ^= BS_DEFPUSHBUTTON; // Notify control that its "defaultness" has changed. LPOLECONTROL pOleCtl = NULL; if (SUCCEEDED(m_pObject->QueryInterface(IID_IOleControl, (LPVOID*)&pOleCtl))) { ASSERT(pOleCtl != NULL); pOleCtl->OnAmbientPropertyChange(DISPID_AMBIENT_DISPLAYASDEFAULT); pOleCtl->Release(); } } DWORD COleControlSite::ConnectSink(REFIID iid, LPUNKNOWN punkSink) { ASSERT(m_pObject != NULL); LPCONNECTIONPOINTCONTAINER pConnPtCont; if ((m_pObject != NULL) && SUCCEEDED(m_pObject->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pConnPtCont))) { ASSERT(pConnPtCont != NULL); LPCONNECTIONPOINT pConnPt = NULL; DWORD dwCookie; if (SUCCEEDED(pConnPtCont->FindConnectionPoint(iid, &pConnPt))) { ASSERT(pConnPt != NULL); pConnPt->Advise(punkSink, &dwCookie); pConnPt->Release(); } pConnPtCont->Release(); return dwCookie; } return 0; } void COleControlSite::DisconnectSink(REFIID iid, DWORD dwCookie) { if (dwCookie == 0) return; ASSERT(m_pObject != NULL); LPCONNECTIONPOINTCONTAINER pConnPtCont; if ((m_pObject != NULL) && SUCCEEDED(m_pObject->QueryInterface(IID_IConnectionPointContainer, (LPVOID*)&pConnPtCont))) { ASSERT(pConnPtCont != NULL); LPCONNECTIONPOINT pConnPt = NULL; if (SUCCEEDED(pConnPtCont->FindConnectionPoint(iid, &pConnPt))) { ASSERT(pConnPt != NULL); pConnPt->Unadvise(dwCookie); pConnPt->Release(); } pConnPtCont->Release(); } } #define IMPLTYPE_MASK \ (IMPLTYPEFLAG_FDEFAULT | IMPLTYPEFLAG_FSOURCE | IMPLTYPEFLAG_FRESTRICTED) #define IMPLTYPE_DEFAULTSOURCE \ (IMPLTYPEFLAG_FDEFAULT | IMPLTYPEFLAG_FSOURCE) BOOL COleControlSite::GetEventIID(IID* piid) { *piid = GUID_NULL; ASSERT(m_pObject != NULL); // Use IProvideClassInfo2, if control supports it. LPPROVIDECLASSINFO2 pPCI2 = NULL; if (SUCCEEDED(m_pObject->QueryInterface(IID_IProvideClassInfo2, (LPVOID*)&pPCI2))) { ASSERT(pPCI2 != NULL); if (SUCCEEDED(pPCI2->GetGUID(GUIDKIND_DEFAULT_SOURCE_DISP_IID, piid))) ASSERT(!IsEqualIID(*piid, GUID_NULL)); else ASSERT(IsEqualIID(*piid, GUID_NULL)); pPCI2->Release(); } // Fall back on IProvideClassInfo, if IProvideClassInfo2 not supported. LPPROVIDECLASSINFO pPCI = NULL; if (IsEqualIID(*piid, GUID_NULL) && SUCCEEDED(m_pObject->QueryInterface(IID_IProvideClassInfo, (LPVOID*)&pPCI))) { ASSERT(pPCI != NULL); LPTYPEINFO pClassInfo = NULL; if (SUCCEEDED(pPCI->GetClassInfo(&pClassInfo))) { ASSERT(pClassInfo != NULL); LPTYPEATTR pClassAttr; if (SUCCEEDED(pClassInfo->GetTypeAttr(&pClassAttr))) { ASSERT(pClassAttr != NULL); ASSERT(pClassAttr->typekind == TKIND_COCLASS); // Search for typeinfo of the default events interface. int nFlags; HREFTYPE hRefType; for (unsigned int i = 0; i < pClassAttr->cImplTypes; i++) { if (SUCCEEDED(pClassInfo->GetImplTypeFlags(i, &nFlags)) && ((nFlags & IMPLTYPE_MASK) == IMPLTYPE_DEFAULTSOURCE)) { // Found it. Now look at its attributes to get IID. LPTYPEINFO pEventInfo = NULL; if (SUCCEEDED(pClassInfo->GetRefTypeOfImplType(i, &hRefType)) && SUCCEEDED(pClassInfo->GetRefTypeInfo(hRefType, &pEventInfo))) { ASSERT(pEventInfo != NULL); LPTYPEATTR pEventAttr; if (SUCCEEDED(pEventInfo->GetTypeAttr(&pEventAttr))) { ASSERT(pEventAttr != NULL); *piid = pEventAttr->guid; pEventInfo->ReleaseTypeAttr(pEventAttr); } pEventInfo->Release(); } break; } } pClassInfo->ReleaseTypeAttr(pClassAttr); } pClassInfo->Release(); } pPCI->Release(); } return (!IsEqualIID(*piid, GUID_NULL)); } void COleControlSite::GetControlInfo() { memset(&m_ctlInfo, 0, sizeof(CONTROLINFO)); m_ctlInfo.cb = sizeof(CONTROLINFO); LPOLECONTROL pOleCtl = NULL; if (SUCCEEDED(m_pObject->QueryInterface(IID_IOleControl, (LPVOID*)&pOleCtl))) { ASSERT(pOleCtl != NULL); pOleCtl->GetControlInfo(&m_ctlInfo); pOleCtl->Release(); } } BOOL COleControlSite::IsMatchingMnemonic(LPMSG lpMsg) { // return IsAccelerator(m_ctlInfo.hAccel, m_ctlInfo.cAccel, lpMsg, NULL); if ((m_ctlInfo.cAccel == 0) || (m_ctlInfo.hAccel == NULL)) return FALSE; ACCEL* pAccel = new ACCEL[m_ctlInfo.cAccel]; int cAccel = CopyAcceleratorTable(m_ctlInfo.hAccel, pAccel, m_ctlInfo.cAccel); ASSERT(cAccel == m_ctlInfo.cAccel); BOOL bMatch = FALSE; for (int i = 0; i < cAccel; i++) { BOOL fVirt = (lpMsg->message == WM_SYSCHAR ? FALT : 0); WORD key = LOWORD(lpMsg->wParam); if (((pAccel[i].fVirt & ~FNOINVERT) == fVirt) && (pAccel[i].key == key)) { bMatch = TRUE; break; } } delete [] pAccel; return bMatch; } void COleControlSite::SendMnemonic(LPMSG lpMsg) { if (!(m_dwMiscStatus & OLEMISC_NOUIACTIVATE)) SetFocus(); LPOLECONTROL pOleCtl = NULL; if (SUCCEEDED(m_pObject->QueryInterface(IID_IOleControl, (LPVOID*)&pOleCtl))) { ASSERT(pOleCtl != NULL); pOleCtl->OnMnemonic(lpMsg); pOleCtl->Release(); } } void COleControlSite::AttachWindow() { HWND hWnd = NULL; if (SUCCEEDED(m_pInPlaceObject->GetWindow(&hWnd))) { ASSERT(hWnd != NULL); if (m_hWnd != hWnd) { m_hWnd = hWnd; if (m_pWndCtrl != NULL) { ASSERT(m_pWndCtrl->m_hWnd == NULL); // Window already attached? m_pWndCtrl->Attach(m_hWnd); ASSERT(m_pWndCtrl->m_pCtrlSite == NULL || m_pWndCtrl->m_pCtrlSite == this); m_pWndCtrl->m_pCtrlSite = this; } } } } void COleControlSite::DetachWindow() { m_hWnd = NULL; if ((m_pWndCtrl != NULL) && (m_pWndCtrl->m_hWnd != NULL)) { WNDPROC* lplpfn = m_pWndCtrl->GetSuperWndProcAddr(); ASSERT(lplpfn != NULL); if (*lplpfn != NULL) m_pWndCtrl->UnsubclassWindow(); m_pWndCtrl->Detach(); } } BOOL COleControlSite::OnEvent(AFX_EVENT* pEvent) { // If this control has a proxy CWnd, look for a matching ON_*_REFLECT // entry for this event in its event map. if ((m_pWndCtrl != NULL) && m_pWndCtrl->OnCmdMsg(m_nID, CN_EVENT, pEvent, NULL)) { return TRUE; } // Proxy CWnd isn't interested, so pass the event along to the container. return m_pCtrlCont->m_pWnd->OnCmdMsg(m_nID, CN_EVENT, pEvent, NULL); } ///////////////////////////////////////////////////////////////////////////// // invoke helpers void COleControlSite::InvokeHelperV(DISPID dwDispID, WORD wFlags, VARTYPE vtRet, void* pvRet, const BYTE* pbParamInfo, va_list argList) { if (m_dispDriver.m_lpDispatch == NULL) { // no dispatch pointer yet; find it now LPDISPATCH pDispatch; if ((m_pObject != NULL) && SUCCEEDED(m_pObject->QueryInterface(IID_IDispatch, (LPVOID*)&pDispatch))) { ASSERT(pDispatch != NULL); m_dispDriver.AttachDispatch(pDispatch); } } if (m_dispDriver.m_lpDispatch == NULL) { // couldn't find dispatch pointer TRACE0("Warning: control has no IDispatch interface."); return; } // delegate call to m_dispDriver m_dispDriver.InvokeHelperV(dwDispID, wFlags, vtRet, pvRet, pbParamInfo, argList); } void COleControlSite::SetPropertyV(DISPID dwDispID, VARTYPE vtProp, va_list argList) { BYTE rgbParams[2]; if (vtProp & VT_BYREF) { vtProp &= ~VT_BYREF; vtProp |= VT_MFCBYREF; } #if !defined(_UNICODE) && !defined(OLE2ANSI) if (vtProp == VT_BSTR) vtProp = VT_BSTRA; #endif rgbParams[0] = (BYTE)vtProp; rgbParams[1] = 0; WORD wFlags = (WORD)(vtProp == VT_DISPATCH ? DISPATCH_PROPERTYPUTREF : DISPATCH_PROPERTYPUT); InvokeHelperV(dwDispID, wFlags, VT_EMPTY, NULL, rgbParams, argList); } void AFX_CDECL COleControlSite::InvokeHelper(DISPID dwDispID, WORD wFlags, VARTYPE vtRet, void* pvRet, const BYTE* pbParamInfo, ...) { va_list argList; va_start(argList, pbParamInfo); InvokeHelperV(dwDispID, wFlags, vtRet, pvRet, pbParamInfo, argList); va_end(argList); } void COleControlSite::GetProperty(DISPID dwDispID, VARTYPE vtProp, void* pvProp) const { const_cast(this)->InvokeHelper(dwDispID, DISPATCH_PROPERTYGET, vtProp, pvProp, NULL); } void AFX_CDECL COleControlSite::SetProperty(DISPID dwDispID, VARTYPE vtProp, ...) { va_list argList; // really only one arg, but... va_start(argList, vtProp); #ifdef _MAC arglist -= 2; #endif SetPropertyV(dwDispID, vtProp, argList); va_end(argList); } BOOL AFX_CDECL COleControlSite::SafeSetProperty(DISPID dwDispID, VARTYPE vtProp, ...) { va_list argList; // really only one arg, but... va_start(argList, vtProp); #ifdef _MAC arglist -= 2; #endif BOOL bSuccess; TRY { SetPropertyV(dwDispID, vtProp, argList); bSuccess = TRUE; } CATCH_ALL(e) { DELETE_EXCEPTION(e); bSuccess = FALSE; } END_CATCH_ALL va_end(argList); return bSuccess; } ///////////////////////////////////////////////////////////////////////////// // special cases for CWnd functions DWORD COleControlSite::GetStyle() const { DWORD dwStyle = m_dwStyle | (::GetWindowLong(m_hWnd, GWL_STYLE) & WS_VISIBLE); TRY { BOOL bEnabled = TRUE; GetProperty(DISPID_ENABLED, VT_BOOL, &bEnabled); if (!bEnabled) dwStyle |= WS_DISABLED; } END_TRY TRY { short sBorderStyle = 0; GetProperty(DISPID_BORDERSTYLE, VT_I2, &sBorderStyle); if (sBorderStyle == 1) dwStyle |= WS_BORDER; } END_TRY return dwStyle; } DWORD COleControlSite::GetExStyle() const { DWORD dwExStyle = ::GetWindowLong(m_hWnd, GWL_EXSTYLE); TRY { short sAppearance = 0; GetProperty(DISPID_APPEARANCE, VT_I2, &sAppearance); if (sAppearance == 1) dwExStyle |= WS_EX_CLIENTEDGE; } END_TRY return dwExStyle; } BOOL COleControlSite::ModifyStyle(DWORD dwRemove, DWORD dwAdd, UINT nFlags) { m_dwStyle = ((m_dwStyle & ~dwRemove) | dwAdd) & m_dwStyleMask; // Enabled property if ((dwRemove & WS_DISABLED) || (dwAdd & WS_DISABLED)) { if (SafeSetProperty(DISPID_ENABLED, VT_BOOL, (~dwAdd & WS_DISABLED))) { dwRemove &= ~WS_DISABLED; dwAdd &= ~WS_DISABLED; } } // BorderStyle property if ((dwRemove & WS_BORDER) || (dwAdd & WS_BORDER)) { if (SafeSetProperty(DISPID_BORDERSTYLE, VT_I2, (dwAdd & WS_BORDER))) { dwRemove &= ~WS_BORDER; dwAdd &= ~WS_BORDER; } } return CWnd::ModifyStyle(m_hWnd, dwRemove, dwAdd, nFlags); } BOOL COleControlSite::ModifyStyleEx(DWORD dwRemove, DWORD dwAdd, UINT nFlags) { // BorderStyle property if ((dwRemove & WS_EX_CLIENTEDGE) || (dwAdd & WS_EX_CLIENTEDGE)) { if (SafeSetProperty(DISPID_APPEARANCE, VT_I2, (dwAdd & WS_EX_CLIENTEDGE))) { dwRemove &= ~WS_EX_CLIENTEDGE; dwAdd &= ~WS_EX_CLIENTEDGE; } } return CWnd::ModifyStyleEx(m_hWnd, dwRemove, dwAdd, nFlags); } void COleControlSite::SetWindowText(LPCTSTR lpszString) { ASSERT(::IsWindow(m_hWnd)); if (!SafeSetProperty(DISPID_CAPTION, VT_BSTR, lpszString)) SafeSetProperty(DISPID_TEXT, VT_BSTR, lpszString); } void COleControlSite::GetWindowText(CString& str) const { ASSERT(::IsWindow(m_hWnd)); TRY { GetProperty(DISPID_CAPTION, VT_BSTR, &str); } CATCH_ALL(e) { DELETE_EXCEPTION(e); TRY { GetProperty(DISPID_TEXT, VT_BSTR, &str); } END_TRY } END_CATCH_ALL } int COleControlSite::GetWindowText(LPTSTR lpszString, int nMaxCount) const { ASSERT(nMaxCount > 0); CString str; GetWindowText(str); _tcsncpy(lpszString, str, nMaxCount-1); lpszString[nMaxCount-1] = 0; return _tcslen(lpszString); } int COleControlSite::GetWindowTextLength() const { CString str; GetWindowText(str); return str.GetLength(); } int COleControlSite::GetDlgCtrlID() const { return (int)m_nID; } int COleControlSite::SetDlgCtrlID(int nID) { int nPrevID = (int)m_nID; m_nID = (UINT)nID; return nPrevID; } void COleControlSite::MoveWindow(int x, int y, int nWidth, int nHeight, BOOL) { ASSERT(m_pInPlaceObject != NULL); ASSERT(m_pObject != NULL); CRect rectOld(m_rect); m_rect.SetRect(x, y, x + nWidth, y + nHeight); if (SetExtent()) { m_rect.SetRect(x, y, x + m_rect.Width(), y + m_rect.Height()); m_pInPlaceObject->SetObjectRects(m_rect, m_rect); } else { m_rect = rectOld; } } BOOL COleControlSite::SetWindowPos(const CWnd* pWndInsertAfter, int x, int y, int cx, int cy, UINT nFlags) { if (nFlags & SWP_HIDEWINDOW) ShowWindow(SW_HIDE); if ((nFlags & (SWP_NOMOVE|SWP_NOSIZE)) != (SWP_NOMOVE|SWP_NOSIZE)) { int xNew; int yNew; if (nFlags & SWP_NOMOVE) { xNew = m_rect.left; yNew = m_rect.top; } else { xNew = x; yNew = y; } int cxNew; int cyNew; if (nFlags & SWP_NOSIZE) { cxNew = m_rect.Width(); cyNew = m_rect.Height(); } else { cxNew = cx; cyNew = cy; } MoveWindow(xNew, yNew, cxNew, cyNew, !(nFlags & SWP_NOREDRAW)); } if (nFlags & SWP_SHOWWINDOW) ShowWindow(SW_SHOW); // we've handled hide, move, size, and show; let Windows do the rest nFlags &= ~(SWP_HIDEWINDOW|SWP_SHOWWINDOW); nFlags |= (SWP_NOMOVE|SWP_NOSIZE); return ::SetWindowPos(m_hWnd, pWndInsertAfter->GetSafeHwnd(), x, y, cx, cy, nFlags); } BOOL COleControlSite::ShowWindow(int nCmdShow) { BOOL bReturn = ::IsWindowVisible(m_hWnd); int iVerb = 0; switch (nCmdShow) { case SW_SHOW: case SW_SHOWNORMAL: case SW_SHOWNOACTIVATE: iVerb = OLEIVERB_SHOW; break; case SW_HIDE: iVerb = OLEIVERB_HIDE; break; } if (iVerb != 0) DoVerb(iVerb); return bReturn; } BOOL COleControlSite::IsWindowEnabled() const { BOOL bEnabled = TRUE; TRY GetProperty(DISPID_ENABLED, VT_BOOL, &bEnabled); END_TRY return bEnabled; } BOOL COleControlSite::EnableWindow(BOOL bEnable) { BOOL bResult; TRY { GetProperty(DISPID_ENABLED, VT_BOOL, &bResult); SetProperty(DISPID_ENABLED, VT_BOOL, bEnable); } CATCH_ALL(e) { DELETE_EXCEPTION(e); bResult = TRUE; } END_CATCH_ALL return !bResult; // return TRUE if previously disabled } CWnd* COleControlSite::SetFocus() { if (m_dwMiscStatus & OLEMISC_NOUIACTIVATE) return CWnd::FromHandle(::SetFocus(m_hWnd)); CWnd* pWndPrev = CWnd::GetFocus(); DoVerb(OLEIVERB_UIACTIVATE); return pWndPrev; } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XOleClientSite STDMETHODIMP_(ULONG) COleControlSite::XOleClientSite::AddRef() { METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite) return (ULONG)pThis->ExternalAddRef(); } STDMETHODIMP_(ULONG) COleControlSite::XOleClientSite::Release() { METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite) return (ULONG)pThis->ExternalRelease(); } STDMETHODIMP COleControlSite::XOleClientSite::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite) return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj); } STDMETHODIMP COleControlSite::XOleClientSite::SaveObject() { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleClientSite::GetMoniker(DWORD, DWORD, LPMONIKER*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleClientSite::GetContainer( LPOLECONTAINER* ppContainer) { METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite) return (HRESULT)pThis->m_pCtrlCont->ExternalQueryInterface( &IID_IOleContainer, (LPVOID*)ppContainer); } STDMETHODIMP COleControlSite::XOleClientSite::ShowObject() { METHOD_PROLOGUE_EX(COleControlSite, OleClientSite) pThis->AttachWindow(); return S_OK; } STDMETHODIMP COleControlSite::XOleClientSite::OnShowWindow(BOOL) { return S_OK; } STDMETHODIMP COleControlSite::XOleClientSite::RequestNewObjectLayout() { return E_NOTIMPL; } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XOleIPSite STDMETHODIMP_(ULONG) COleControlSite::XOleIPSite::AddRef() { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) return (ULONG)pThis->ExternalAddRef(); } STDMETHODIMP_(ULONG) COleControlSite::XOleIPSite::Release() { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) return (ULONG)pThis->ExternalRelease(); } STDMETHODIMP COleControlSite::XOleIPSite::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj); } STDMETHODIMP COleControlSite::XOleIPSite::GetWindow(HWND* phWnd) { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) *phWnd = pThis->m_pCtrlCont->m_pWnd->GetSafeHwnd(); return *phWnd != NULL ? S_OK : E_FAIL; } STDMETHODIMP COleControlSite::XOleIPSite::ContextSensitiveHelp(BOOL) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleIPSite::CanInPlaceActivate() { return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::OnInPlaceActivate() { return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::OnUIActivate() { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) pThis->m_pCtrlCont->OnUIActivate(pThis); return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::GetWindowContext( LPOLEINPLACEFRAME* ppFrame, LPOLEINPLACEUIWINDOW* ppDoc, LPRECT prectPos, LPRECT prectClip, LPOLEINPLACEFRAMEINFO pFrameInfo) { METHOD_PROLOGUE_EX(COleControlSite, OleIPSite) ASSERT_VALID(pThis->m_pCtrlCont); ASSERT_VALID(pThis->m_pCtrlCont->m_pWnd); ASSERT(AfxIsValidAddress(ppFrame, sizeof(LPOLEINPLACEFRAME))); ASSERT((ppDoc == NULL) || AfxIsValidAddress(ppDoc, sizeof(LPOLEINPLACEUIWINDOW))); ASSERT(AfxIsValidAddress(prectPos, sizeof(RECT))); ASSERT(AfxIsValidAddress(prectClip, sizeof(RECT))); ASSERT(AfxIsValidAddress(pFrameInfo, pFrameInfo->cb)); ASSERT(pFrameInfo->cb >= offsetof(OLEINPLACEFRAMEINFO, cAccelEntries) + sizeof(int)); // There is no separate doc window if (ppDoc != NULL) *ppDoc = NULL; // Set pointer to frame if (FAILED(pThis->m_pCtrlCont->ExternalQueryInterface( &IID_IOleInPlaceFrame, (LPVOID*)ppFrame))) return E_FAIL; // Fill in position and clip rectangles CWnd* pWndContainer = pThis->m_pCtrlCont->m_pWnd; CopyRect(prectPos, pThis->m_rect); pWndContainer->GetClientRect(prectClip); // Fill in frame info pFrameInfo->fMDIApp = FALSE; pFrameInfo->hwndFrame = pWndContainer->GetSafeHwnd(); pFrameInfo->haccel = NULL; pFrameInfo->cAccelEntries = 0; return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::Scroll(SIZE) { return S_FALSE; } STDMETHODIMP COleControlSite::XOleIPSite::OnUIDeactivate(BOOL) { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) pThis->m_pCtrlCont->OnUIDeactivate(pThis); return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::OnInPlaceDeactivate() { METHOD_PROLOGUE_EX(COleControlSite, OleIPSite) pThis->DetachWindow(); return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::DiscardUndoState() { return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::DeactivateAndUndo() { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) pThis->m_pInPlaceObject->UIDeactivate(); return S_OK; } STDMETHODIMP COleControlSite::XOleIPSite::OnPosRectChange(LPCRECT lprcPosRect) { METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite) CRect rectClip; pThis->m_pCtrlCont->m_pWnd->GetClientRect(rectClip); pThis->m_rect = lprcPosRect; return pThis->m_pInPlaceObject->SetObjectRects(pThis->m_rect, rectClip); } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XOleControlSite STDMETHODIMP_(ULONG) COleControlSite::XOleControlSite::AddRef() { METHOD_PROLOGUE_EX_(COleControlSite, OleControlSite) return (ULONG)pThis->ExternalAddRef(); } STDMETHODIMP_(ULONG) COleControlSite::XOleControlSite::Release() { METHOD_PROLOGUE_EX_(COleControlSite, OleControlSite) return (ULONG)pThis->ExternalRelease(); } STDMETHODIMP COleControlSite::XOleControlSite::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, OleControlSite) return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj); } STDMETHODIMP COleControlSite::XOleControlSite::OnControlInfoChanged() { METHOD_PROLOGUE_EX_(COleControlSite, OleControlSite) pThis->GetControlInfo(); return NOERROR; } STDMETHODIMP COleControlSite::XOleControlSite::LockInPlaceActive(BOOL) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleControlSite::GetExtendedControl( LPDISPATCH*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleControlSite::TransformCoords( POINTL* pptHimetric, POINTF* pptContainer, DWORD dwFlags) { METHOD_PROLOGUE_EX_(COleControlSite, OleControlSite) HRESULT hr = NOERROR; HDC hDC = ::GetDC(pThis->m_hWnd); ::SetMapMode(hDC, MM_HIMETRIC); POINT rgptConvert[2]; rgptConvert[0].x = 0; rgptConvert[0].y = 0; if (dwFlags & XFORMCOORDS_HIMETRICTOCONTAINER) { rgptConvert[1].x = pptHimetric->x; rgptConvert[1].y = pptHimetric->y; ::LPtoDP(hDC, rgptConvert, 2); if (dwFlags & XFORMCOORDS_SIZE) { pptContainer->x = (float)(rgptConvert[1].x - rgptConvert[0].x); pptContainer->y = (float)(rgptConvert[0].y - rgptConvert[1].y); } else if (dwFlags & XFORMCOORDS_POSITION) { pptContainer->x = (float)rgptConvert[1].x; pptContainer->y = (float)rgptConvert[1].y; } else { hr = E_INVALIDARG; } } else if (dwFlags & XFORMCOORDS_CONTAINERTOHIMETRIC) { rgptConvert[1].x = (int)(pptContainer->x); rgptConvert[1].y = (int)(pptContainer->y); ::DPtoLP(hDC, rgptConvert, 2); if (dwFlags & XFORMCOORDS_SIZE) { pptHimetric->x = rgptConvert[1].x - rgptConvert[0].x; pptHimetric->y = rgptConvert[0].y - rgptConvert[1].y; } else if (dwFlags & XFORMCOORDS_POSITION) { pptHimetric->x = rgptConvert[1].x; pptHimetric->y = rgptConvert[1].y; } else { hr = E_INVALIDARG; } } else { hr = E_INVALIDARG; } ::ReleaseDC(pThis->m_hWnd, hDC); return hr; } STDMETHODIMP COleControlSite::XOleControlSite::TranslateAccelerator( LPMSG, DWORD) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XOleControlSite::OnFocus(BOOL) { return S_OK; } STDMETHODIMP COleControlSite::XOleControlSite::ShowPropertyFrame() { return E_NOTIMPL; } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XAmbientProps STDMETHODIMP_(ULONG) COleControlSite::XAmbientProps::AddRef() { METHOD_PROLOGUE_EX_(COleControlSite, AmbientProps) return (ULONG)pThis->ExternalAddRef(); } STDMETHODIMP_(ULONG) COleControlSite::XAmbientProps::Release() { METHOD_PROLOGUE_EX_(COleControlSite, AmbientProps) return (ULONG)pThis->ExternalRelease(); } STDMETHODIMP COleControlSite::XAmbientProps::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, AmbientProps) return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj); } STDMETHODIMP COleControlSite::XAmbientProps::GetTypeInfoCount( unsigned int*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XAmbientProps::GetTypeInfo( unsigned int, LCID, ITypeInfo**) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XAmbientProps::GetIDsOfNames( REFIID, LPOLESTR*, unsigned int, LCID, DISPID*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XAmbientProps::Invoke( DISPID dispid, REFIID, LCID, unsigned short wFlags, DISPPARAMS* pDispParams, VARIANT* pvarResult, EXCEPINFO*, unsigned int*) { UNUSED(wFlags); UNUSED(pDispParams); METHOD_PROLOGUE_EX(COleControlSite, AmbientProps) ASSERT(wFlags & DISPATCH_PROPERTYGET); ASSERT(pDispParams->cArgs == 0); ASSERT(pThis->m_pCtrlCont != NULL); ASSERT(pThis->m_pCtrlCont->m_pWnd != NULL); return pThis->m_pCtrlCont->m_pWnd->OnAmbientProperty(pThis, dispid, pvarResult) ? S_OK : DISP_E_MEMBERNOTFOUND; } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XPropertyNotifySink STDMETHODIMP COleControlSite::XPropertyNotifySink::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, PropertyNotifySink) if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IPropertyNotifySink)) { *ppvObj = this; AddRef(); return S_OK; } else { return E_NOINTERFACE; } } STDMETHODIMP_(ULONG) COleControlSite::XPropertyNotifySink::AddRef() { return 1; } STDMETHODIMP_(ULONG) COleControlSite::XPropertyNotifySink::Release() { return 0; } STDMETHODIMP COleControlSite::XPropertyNotifySink::OnChanged( DISPID dispid) { METHOD_PROLOGUE_EX(COleControlSite, PropertyNotifySink) AFX_EVENT event(AFX_EVENT::propChanged, dispid); pThis->OnEvent(&event); return event.m_hResult; } STDMETHODIMP COleControlSite::XPropertyNotifySink::OnRequestEdit( DISPID dispid) { METHOD_PROLOGUE_EX(COleControlSite, PropertyNotifySink) AFX_EVENT event(AFX_EVENT::propRequest, dispid); pThis->OnEvent(&event); return event.m_hResult; } ///////////////////////////////////////////////////////////////////////////// // COleControlSite::XEventSink STDMETHODIMP_(ULONG) COleControlSite::XEventSink::AddRef() { return 1; } STDMETHODIMP_(ULONG) COleControlSite::XEventSink::Release() { return 0; } STDMETHODIMP COleControlSite::XEventSink::QueryInterface( REFIID iid, LPVOID* ppvObj) { METHOD_PROLOGUE_EX_(COleControlSite, EventSink) if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IDispatch) || IsEqualIID(iid, pThis->m_iidEvents)) { *ppvObj = this; AddRef(); return S_OK; } else { return E_NOINTERFACE; } } STDMETHODIMP COleControlSite::XEventSink::GetTypeInfoCount( unsigned int*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XEventSink::GetTypeInfo( unsigned int, LCID, ITypeInfo**) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XEventSink::GetIDsOfNames( REFIID, LPOLESTR*, unsigned int, LCID, DISPID*) { return E_NOTIMPL; } STDMETHODIMP COleControlSite::XEventSink::Invoke( DISPID dispid, REFIID, LCID, unsigned short wFlags, DISPPARAMS* pDispParams, VARIANT* pvarResult, EXCEPINFO* pExcepInfo, unsigned int* puArgError) { UNUSED(wFlags); METHOD_PROLOGUE_EX(COleControlSite, EventSink) ASSERT(pThis->m_pCtrlCont != NULL); ASSERT(pThis->m_pCtrlCont->m_pWnd != NULL); ASSERT(wFlags == DISPATCH_METHOD); AFX_EVENT event(AFX_EVENT::event, dispid, pDispParams, pExcepInfo, puArgError); pThis->OnEvent(&event); if (pvarResult != NULL) VariantClear(pvarResult); return event.m_hResult; }