// This is a part of the Active Template Library. // Copyright (C) 1996-1997 Microsoft Corporation // All rights reserved. // // This source code is only intended as a supplement to the // Active Template Library Reference and related // electronic documentation provided with the library. // See these sources for detailed information regarding the // Active Template Library product. #ifndef ATL_NO_NAMESPACE namespace ATL { #endif ///////////////////////////////////////////////////////////////////////////// // CComDispatchDriver support HRESULT CComDispatchDriver::GetProperty(IDispatch* pDisp, DISPID dwDispID, VARIANT* pVar) { ATLTRACE(_T("CPropertyHelper::GetProperty\n")); DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0}; return pDisp->Invoke(dwDispID, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYGET, &dispparamsNoArgs, pVar, NULL, NULL); } HRESULT CComDispatchDriver::PutProperty(IDispatch* pDisp, DISPID dwDispID, VARIANT* pVar) { ATLTRACE(_T("CPropertyHelper::PutProperty\n")); DISPPARAMS dispparams = {NULL, NULL, 1, 1}; dispparams.rgvarg = pVar; DISPID dispidPut = DISPID_PROPERTYPUT; dispparams.rgdispidNamedArgs = &dispidPut; if (pVar->vt == VT_UNKNOWN || pVar->vt == VT_DISPATCH || (pVar->vt & VT_ARRAY) || (pVar->vt & VT_BYREF)) { HRESULT hr = pDisp->Invoke(dwDispID, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUTREF, &dispparams, NULL, NULL, NULL); if (SUCCEEDED(hr)) return hr; } return pDisp->Invoke(dwDispID, IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_PROPERTYPUT, &dispparams, NULL, NULL, NULL); } ////////////////////////////////////////////////////////////////////////////// // CFirePropNotifyEvent HRESULT CFirePropNotifyEvent::FireOnRequestEdit(IUnknown* pUnk, DISPID dispID) { CComQIPtr pCPC(pUnk); if (!pCPC) return S_OK; CComPtr pCP; pCPC->FindConnectionPoint(IID_IPropertyNotifySink, &pCP); if (!pCP) return S_OK; CComPtr pEnum; if (FAILED(pCP->EnumConnections(&pEnum))) return S_OK; CONNECTDATA cd; while (pEnum->Next(1, &cd, NULL) == S_OK) { if (cd.pUnk) { HRESULT hr = S_OK; CComQIPtr pSink(cd.pUnk); if (pSink) hr = pSink->OnRequestEdit(dispID); cd.pUnk->Release(); if (hr == S_FALSE) return S_FALSE; } } return S_OK; } HRESULT CFirePropNotifyEvent::FireOnChanged(IUnknown* pUnk, DISPID dispID) { CComQIPtr pCPC(pUnk); if (!pCPC) return S_OK; CComPtr pCP; pCPC->FindConnectionPoint(IID_IPropertyNotifySink, &pCP); if (!pCP) return S_OK; CComPtr pEnum; if (FAILED(pCP->EnumConnections(&pEnum))) return S_OK; CONNECTDATA cd; while (pEnum->Next(1, &cd, NULL) == S_OK) { if (cd.pUnk) { CComQIPtr pSink(cd.pUnk); if (pSink) pSink->OnChanged(dispID); cd.pUnk->Release(); } } return S_OK; } ///////////////////////////////////////////////////////////////////////////// // Control support HRESULT CComControlBase::IQuickActivate_QuickActivate(QACONTAINER *pQACont, QACONTROL *pQACtrl) { _ASSERTE(pQACont != NULL); _ASSERTE(pQACtrl != NULL); // _ASSERTE(pQACont->cbSize >= sizeof(QACONTAINER)); _ASSERTE(pQACtrl->cbSize >= sizeof(QACONTROL)); if (!pQACont || !pQACtrl) return E_POINTER; HRESULT hRes; memset(pQACtrl, 0, sizeof(QACONTROL)); pQACtrl->cbSize = sizeof(QACONTROL); // get all interfaces we are going to need CComPtr pOO; ControlQueryInterface(IID_IOleObject, (void**)&pOO); CComPtr pVOEX; ControlQueryInterface(IID_IViewObjectEx, (void**)&pVOEX); CComPtr pPI; ControlQueryInterface(IID_IPointerInactive, (void**)&pPI); CComPtr pPCI; ControlQueryInterface(IID_IProvideClassInfo2, (void**)&pPCI); if (pOO == NULL || pVOEX == NULL) return E_FAIL; pOO->SetClientSite(pQACont->pClientSite); if (pQACont->pAdviseSink != NULL) { ATLTRACE(_T("Setting up IOleObject Advise\n")); pVOEX->SetAdvise(DVASPECT_CONTENT, 0, pQACont->pAdviseSink); } CComPtr pCPC; ControlQueryInterface(IID_IConnectionPointContainer, (void**)&pCPC); if (pQACont->pPropertyNotifySink) { ATLTRACE(_T("Setting up PropNotify CP\n")); CComPtr pCP; if (pCPC != NULL) { hRes = pCPC->FindConnectionPoint(IID_IPropertyNotifySink, &pCP); if (SUCCEEDED(hRes)) pCP->Advise(pQACont->pPropertyNotifySink, &pQACtrl->dwPropNotifyCookie); } } if (pPCI) { GUID iidDefaultSrc; if (SUCCEEDED(pPCI->GetGUID(GUIDKIND_DEFAULT_SOURCE_DISP_IID, &iidDefaultSrc))) { if (pQACont->pUnkEventSink) { ATLTRACE(_T("Setting up Default Out Going Interface\n")); CComPtr pCP; if (pCPC != NULL) { hRes = pCPC->FindConnectionPoint(iidDefaultSrc, &pCP); if (SUCCEEDED(hRes)) pCP->Advise(pQACont->pUnkEventSink, &pQACtrl->dwEventCookie); } } } } // give information to container if (pOO != NULL) pOO->GetMiscStatus(DVASPECT_CONTENT, &pQACtrl->dwMiscStatus); if (pVOEX != NULL) pVOEX->GetViewStatus(&pQACtrl->dwViewStatus); if (pPI != NULL) pPI->GetActivationPolicy(&pQACtrl->dwPointerActivationPolicy); return S_OK; } HRESULT CComControlBase::IPersistPropertyBag_Load(LPPROPERTYBAG pPropBag, LPERRORLOG pErrorLog, ATL_PROPMAP_ENTRY* pMap) { USES_CONVERSION; CComPtr pDispatch; const IID* piidOld = NULL; for(int i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (pMap[i].szDesc == NULL) continue; CComVariant var; if(pMap[i].piidDispatch != piidOld) { pDispatch.Release(); if(FAILED(ControlQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch))) { ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i); return E_FAIL; } piidOld = pMap[i].piidDispatch; } if (FAILED(CComDispatchDriver::GetProperty(pDispatch, pMap[i].dispid, &var))) { ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid); return E_FAIL; } HRESULT hr = pPropBag->Read(pMap[i].szDesc, &var, pErrorLog); if (FAILED(hr)) { if (hr == E_INVALIDARG) { ATLTRACE(_T("Property %s not in Bag\n"), OLE2CT(pMap[i].szDesc)); } else { // Many containers return different ERROR values for Member not found ATLTRACE(_T("Error attempting to read Property %s from PropertyBag \n"), OLE2CT(pMap[i].szDesc)); } continue; } if (FAILED(CComDispatchDriver::PutProperty(pDispatch, pMap[i].dispid, &var))) { ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid); return E_FAIL; } } return S_OK; } HRESULT CComControlBase::IPersistPropertyBag_Save(LPPROPERTYBAG pPropBag, BOOL fClearDirty, BOOL /*fSaveAllProperties*/, ATL_PROPMAP_ENTRY* pMap) { if (pPropBag == NULL) { ATLTRACE(_T("PropBag pointer passed in was invalid\n")); return E_POINTER; } CComPtr pDispatch; const IID* piidOld = NULL; for(int i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (pMap[i].szDesc == NULL) continue; CComVariant var; if(pMap[i].piidDispatch != piidOld) { pDispatch.Release(); if(FAILED(ControlQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch))) { ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i); return E_FAIL; } piidOld = pMap[i].piidDispatch; } if (FAILED(CComDispatchDriver::GetProperty(pDispatch, pMap[i].dispid, &var))) { ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid); return E_FAIL; } if (var.vt == VT_UNKNOWN || var.vt == VT_DISPATCH) { if (var.punkVal == NULL) { ATLTRACE(_T("Warning skipping empty IUnknown in Save\n")); continue; } } HRESULT hr = pPropBag->Write(pMap[i].szDesc, &var); if (FAILED(hr)) return hr; } m_bRequiresSave = FALSE; return S_OK; } HRESULT CComControlBase::ISpecifyPropertyPages_GetPages(CAUUID* pPages, ATL_PROPMAP_ENTRY* pMap) { _ASSERTE(pMap != NULL); int nCnt = 0; // Get count of unique pages for(int i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (!InlineIsEqualGUID(*pMap[i].pclsidPropPage, CLSID_NULL)) nCnt++; } pPages->pElems = NULL; pPages->pElems = (GUID*) CoTaskMemAlloc(sizeof(CLSID)*nCnt); if (pPages->pElems == NULL) return E_OUTOFMEMORY; nCnt = 0; for(i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (!InlineIsEqualGUID(*pMap[i].pclsidPropPage, CLSID_NULL)) { BOOL bMatch = FALSE; for (int j=0;jpElems[j])) { bMatch = TRUE; break; } } if (!bMatch) pPages->pElems[nCnt++] = *pMap[i].pclsidPropPage; } } pPages->cElems = nCnt; return S_OK; } BOOL CComControlBase::SetControlFocus(BOOL bGrab) { if (m_bWndLess) { if (!m_bUIActive && bGrab) if (FAILED(InPlaceActivate(OLEIVERB_UIACTIVATE))) return FALSE; return (m_spInPlaceSite->SetFocus(bGrab) == S_OK); } else { // we've got a window. // if (m_bInPlaceActive) { HWND hwnd = (bGrab) ? m_hWndCD : ::GetParent(m_hWndCD); if (!m_bUIActive && bGrab) return SUCCEEDED(InPlaceActivate(OLEIVERB_UIACTIVATE)); else return (::SetFocus(hwnd) != NULL); } } return FALSE; } HRESULT CComControlBase::DoVerbProperties(LPCRECT /* prcPosRect */, HWND hwndParent) { HRESULT hr = S_OK; CComQIPtr spPages; CComQIPtr spObj; CComQIPtr spSite(m_spClientSite); if (spSite) { hr = spSite->ShowPropertyFrame(); if (SUCCEEDED(hr)) return hr; } CComPtr pUnk; ControlQueryInterface(IID_IUnknown, (void**)&pUnk); _ASSERTE(pUnk != NULL); CAUUID pages; spPages = pUnk; if (spPages) { spPages->GetPages(&pages); spObj = pUnk; if (spObj) { LPOLESTR szTitle = NULL; spObj->GetUserType(USERCLASSTYPE_SHORT, &szTitle); hr = OleCreatePropertyFrame(hwndParent, m_rcPos.top, m_rcPos.left, szTitle, 1, &pUnk.p, pages.cElems, pages.pElems, LOCALE_USER_DEFAULT, 0, 0); CoTaskMemFree(szTitle); } else { hr = OLEOBJ_S_CANNOT_DOVERB_NOW; } } else { hr = OLEOBJ_S_CANNOT_DOVERB_NOW; } return hr; } HRESULT CComControlBase::InPlaceActivate(LONG iVerb, const RECT* prcPosRect) { HRESULT hr; if (m_spClientSite == NULL) return S_OK; CComPtr pIPO; ControlQueryInterface(IID_IOleInPlaceObject, (void**)&pIPO); _ASSERTE(pIPO != NULL); if (prcPosRect != NULL) pIPO->SetObjectRects(prcPosRect, prcPosRect); if (!m_bNegotiatedWnd) { if (!m_bWindowOnly) // Try for windowless site hr = m_spClientSite->QueryInterface(IID_IOleInPlaceSiteWindowless, (void **)&m_spInPlaceSite); if (m_spInPlaceSite) { m_bInPlaceSiteEx = TRUE; m_bWndLess = SUCCEEDED(m_spInPlaceSite->CanWindowlessActivate()); m_bWasOnceWindowless = TRUE; } else { m_spClientSite->QueryInterface(IID_IOleInPlaceSiteEx, (void **)&m_spInPlaceSite); if (m_spInPlaceSite) m_bInPlaceSiteEx = TRUE; else hr = m_spClientSite->QueryInterface(IID_IOleInPlaceSite, (void **)&m_spInPlaceSite); } } _ASSERTE(m_spInPlaceSite); if (!m_spInPlaceSite) return E_FAIL; m_bNegotiatedWnd = TRUE; if (!m_bInPlaceActive) { BOOL bNoRedraw = FALSE; if (m_bWndLess) m_spInPlaceSite->OnInPlaceActivateEx(&bNoRedraw, ACTIVATE_WINDOWLESS); else { if (m_bInPlaceSiteEx) m_spInPlaceSite->OnInPlaceActivateEx(&bNoRedraw, 0); else { HRESULT hr = m_spInPlaceSite->CanInPlaceActivate(); if (FAILED(hr)) return hr; m_spInPlaceSite->OnInPlaceActivate(); } } } m_bInPlaceActive = TRUE; // get location in the parent window, // as well as some information about the parent // OLEINPLACEFRAMEINFO frameInfo; RECT rcPos, rcClip; CComPtr spInPlaceFrame; CComPtr spInPlaceUIWindow; frameInfo.cb = sizeof(OLEINPLACEFRAMEINFO); HWND hwndParent; if (m_spInPlaceSite->GetWindow(&hwndParent) == S_OK) { m_spInPlaceSite->GetWindowContext(&spInPlaceFrame, &spInPlaceUIWindow, &rcPos, &rcClip, &frameInfo); if (!m_bWndLess) { if (m_hWndCD) { ShowWindow(m_hWndCD, SW_SHOW); SetFocus(m_hWndCD); } else { HWND h = CreateControlWindow(hwndParent, rcPos); _ASSERTE(h == m_hWndCD); } } pIPO->SetObjectRects(&rcPos, &rcClip); } CComPtr spActiveObject; ControlQueryInterface(IID_IOleInPlaceActiveObject, (void**)&spActiveObject); // Gone active by now, take care of UIACTIVATE if (DoesVerbUIActivate(iVerb)) { if (!m_bUIActive) { m_bUIActive = TRUE; hr = m_spInPlaceSite->OnUIActivate(); if (FAILED(hr)) return hr; SetControlFocus(TRUE); // set ourselves up in the host. // if (spActiveObject) { if (spInPlaceFrame) spInPlaceFrame->SetActiveObject(spActiveObject, NULL); if (spInPlaceUIWindow) spInPlaceUIWindow->SetActiveObject(spActiveObject, NULL); } if (spInPlaceFrame) spInPlaceFrame->SetBorderSpace(NULL); if (spInPlaceUIWindow) spInPlaceUIWindow->SetBorderSpace(NULL); } } m_spClientSite->ShowObject(); return S_OK; } HRESULT CComControlBase::IPersistStreamInit_Load(LPSTREAM pStm, ATL_PROPMAP_ENTRY* pMap) { _ASSERTE(pMap != NULL); HRESULT hr = S_OK; DWORD dwVer; hr = pStm->Read(&dwVer, sizeof(DWORD), NULL); if (SUCCEEDED(hr) && dwVer <= _ATL_VER) hr = pStm->Read(&m_sizeExtent, sizeof(m_sizeExtent), NULL); if (FAILED(hr)) return hr; CComPtr pDispatch; const IID* piidOld = NULL; for(int i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (pMap[i].szDesc == NULL) continue; CComVariant var; HRESULT hr = var.ReadFromStream(pStm); if (FAILED(hr)) break; if(pMap[i].piidDispatch != piidOld) { if(FAILED(ControlQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch))) { ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i); hr = E_FAIL; break; } piidOld = pMap[i].piidDispatch; } if (FAILED(CComDispatchDriver::PutProperty(pDispatch, pMap[i].dispid, &var))) { ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid); hr = E_FAIL; break; } } return hr; } HRESULT CComControlBase::IPersistStreamInit_Save(LPSTREAM pStm, BOOL /* fClearDirty */, ATL_PROPMAP_ENTRY* pMap) { _ASSERTE(pMap != NULL); DWORD dw = _ATL_VER; HRESULT hr = pStm->Write(&dw, sizeof(DWORD), NULL); if (FAILED(hr)) return hr; hr = pStm->Write(&m_sizeExtent, sizeof(m_sizeExtent), NULL); if (FAILED(hr)) return hr; CComPtr pDispatch; const IID* piidOld = NULL; for(int i = 0; pMap[i].pclsidPropPage != NULL; i++) { if (pMap[i].szDesc == NULL) continue; CComVariant var; if(pMap[i].piidDispatch != piidOld) { if(FAILED(ControlQueryInterface(*pMap[i].piidDispatch, (void**)&pDispatch))) { ATLTRACE(_T("Failed to get a dispatch pointer for property #%i\n"), i); hr = E_FAIL; break; } piidOld = pMap[i].piidDispatch; } if (FAILED(CComDispatchDriver::GetProperty(pDispatch, pMap[i].dispid, &var))) { ATLTRACE(_T("Invoked failed on DISPID %x\n"), pMap[i].dispid); hr = E_FAIL; break; } HRESULT hr = var.WriteToStream(pStm); if (FAILED(hr)) break; } if (SUCCEEDED(hr)) m_bRequiresSave = FALSE; return hr; } HRESULT CComControlBase::SendOnDataChange(DWORD advf) { HRESULT hRes = S_OK; if (m_spDataAdviseHolder) { CComPtr pdo; if (SUCCEEDED(ControlQueryInterface(IID_IDataObject, (void**)&pdo))) hRes = m_spDataAdviseHolder->SendOnDataChange(pdo, 0, advf); } return hRes; } HRESULT CComControlBase::IOleObject_SetClientSite(IOleClientSite *pClientSite) { _ASSERTE(pClientSite == NULL || m_spClientSite == NULL); m_spClientSite = pClientSite; m_spAmbientDispatch.Release(); if (m_spClientSite != NULL) { m_spClientSite->QueryInterface(IID_IDispatch, (void**) &m_spAmbientDispatch.p); } return S_OK; } HRESULT CComControlBase::IOleObject_GetClientSite(IOleClientSite **ppClientSite) { _ASSERTE(ppClientSite); HRESULT hRes = E_POINTER; if (ppClientSite != NULL) { *ppClientSite = m_spClientSite; if (m_spClientSite) m_spClientSite->AddRef(); hRes = S_OK; } return hRes; } HRESULT CComControlBase::IOleObject_Advise(IAdviseSink *pAdvSink, DWORD *pdwConnection) { HRESULT hr = S_OK; if (m_spOleAdviseHolder == NULL) hr = CreateOleAdviseHolder(&m_spOleAdviseHolder); if (SUCCEEDED(hr)) hr = m_spOleAdviseHolder->Advise(pAdvSink, pdwConnection); return hr; } HRESULT CComControlBase::IOleObject_Close(DWORD dwSaveOption) { CComPtr pIPO; ControlQueryInterface(IID_IOleInPlaceObject, (void**)&pIPO); _ASSERTE(pIPO != NULL); if (m_hWndCD) { if (m_spClientSite) m_spClientSite->OnShowWindow(FALSE); } if (m_bInPlaceActive) { HRESULT hr = pIPO->InPlaceDeactivate(); if (FAILED(hr)) return hr; _ASSERTE(!m_bInPlaceActive); } if (m_hWndCD) { ATLTRACE(_T("Destroying Window\n")); if (::IsWindow(m_hWndCD)) DestroyWindow(m_hWndCD); m_hWndCD = NULL; } // handle the save flag. // if ((dwSaveOption == OLECLOSE_SAVEIFDIRTY || dwSaveOption == OLECLOSE_PROMPTSAVE) && m_bRequiresSave) { if (m_spClientSite) m_spClientSite->SaveObject(); SendOnSave(); } m_spInPlaceSite.Release(); m_bNegotiatedWnd = FALSE; m_bWndLess = FALSE; m_bInPlaceSiteEx = FALSE; m_spAdviseSink.Release(); return S_OK; } HRESULT CComControlBase::IOleInPlaceObject_InPlaceDeactivate(void) { CComPtr pIPO; ControlQueryInterface(IID_IOleInPlaceObject, (void**)&pIPO); _ASSERTE(pIPO != NULL); if (!m_bInPlaceActive) return S_OK; pIPO->UIDeactivate(); m_bInPlaceActive = FALSE; // if we have a window, tell it to go away. // if (m_hWndCD) { ATLTRACE(_T("Destroying Window\n")); if (::IsWindow(m_hWndCD)) DestroyWindow(m_hWndCD); m_hWndCD = NULL; } if (m_spInPlaceSite) m_spInPlaceSite->OnInPlaceDeactivate(); return S_OK; } HRESULT CComControlBase::IOleInPlaceObject_UIDeactivate(void) { // if we're not UIActive, not much to do. // if (!m_bUIActive) return S_OK; m_bUIActive = FALSE; // notify frame windows, if appropriate, that we're no longer ui-active. // CComPtr spInPlaceFrame; CComPtr spInPlaceUIWindow; OLEINPLACEFRAMEINFO frameInfo; frameInfo.cb = sizeof(OLEINPLACEFRAMEINFO); RECT rcPos, rcClip; HWND hwndParent; // This call to GetWindow is a fix for Delphi if (m_spInPlaceSite->GetWindow(&hwndParent) == S_OK) { m_spInPlaceSite->GetWindowContext(&spInPlaceFrame, &spInPlaceUIWindow, &rcPos, &rcClip, &frameInfo); if (spInPlaceUIWindow) spInPlaceUIWindow->SetActiveObject(NULL, NULL); if (spInPlaceFrame) spInPlaceFrame->SetActiveObject(NULL, NULL); } // we don't need to explicitly release the focus here since somebody // else grabbing the focus is what is likely to cause us to get lose it // m_spInPlaceSite->OnUIDeactivate(FALSE); return S_OK; } HRESULT CComControlBase::IOleInPlaceObject_SetObjectRects(LPCRECT prcPos,LPCRECT prcClip) { if (prcPos == NULL || prcClip == NULL) return E_POINTER; m_rcPos = *prcPos; if (m_hWndCD) { // the container wants us to clip, so figure out if we really // need to // RECT rcIXect; BOOL b = IntersectRect(&rcIXect, prcPos, prcClip); HRGN tempRgn = NULL; if (b && !EqualRect(&rcIXect, prcPos)) { OffsetRect(&rcIXect, -(prcPos->left), -(prcPos->top)); tempRgn = CreateRectRgnIndirect(&rcIXect); } SetWindowRgn(m_hWndCD, tempRgn, TRUE); // set our control's location, but don't change it's size at all // [people for whom zooming is important should set that up here] // SIZEL size = {prcPos->right - prcPos->left, prcPos->bottom - prcPos->top}; SetWindowPos(m_hWndCD, NULL, prcPos->left, prcPos->top, size.cx, size.cy, SWP_NOZORDER | SWP_NOACTIVATE); } return S_OK; } HRESULT CComControlBase::IOleObject_SetExtent(DWORD dwDrawAspect, SIZEL *psizel) { if (dwDrawAspect != DVASPECT_CONTENT) return DV_E_DVASPECT; if (psizel == NULL) return E_POINTER; BOOL bSizeMatchesNatural = memcmp(psizel, &m_sizeNatural, sizeof(SIZE)) == 0; if (m_bAutoSize) //object can't do any other size return (bSizeMatchesNatural) ? S_OK : E_FAIL; BOOL bResized = FALSE; if (memcmp(psizel, &m_sizeExtent, sizeof(SIZE)) != 0) { m_sizeExtent = *psizel; bResized = TRUE; } if (m_bResizeNatural && !bSizeMatchesNatural) { m_sizeNatural = *psizel; bResized = TRUE; } if (m_bRecomposeOnResize && bResized) { SendOnDataChange(); FireViewChange(); } return S_OK; } HRESULT CComControlBase::IViewObject_Draw(DWORD dwDrawAspect, LONG lindex, void *pvAspect, DVTARGETDEVICE *ptd, HDC hicTargetDev, HDC hdcDraw, LPCRECTL prcBounds, LPCRECTL prcWBounds) { ATLTRACE(_T("Draw dwDrawAspect=%x lindex=%d ptd=%x hic=%x hdc=%x\n"), dwDrawAspect, lindex, ptd, hicTargetDev, hdcDraw); #ifdef _DEBUG if (prcBounds == NULL) ATLTRACE(_T("\tprcBounds=NULL\n")); else ATLTRACE(_T("\tprcBounds=%d,%d,%d,%d\n"), prcBounds->left, prcBounds->top, prcBounds->right, prcBounds->bottom); if (prcWBounds == NULL) ATLTRACE(_T("\tprcWBounds=NULL\n")); else ATLTRACE(_T("\tprcWBounds=%d,%d,%d,%d\n"), prcWBounds->left, prcWBounds->top, prcWBounds->right, prcWBounds->bottom); #endif _ASSERTE(prcBounds != NULL || m_bWndLess); if (prcBounds == NULL) { if (!m_bWndLess) return E_INVALIDARG; prcBounds = (RECTL*)&m_rcPos; } // support the aspects required for multi-pass drawing switch (dwDrawAspect) { case DVASPECT_CONTENT: case DVASPECT_OPAQUE: case DVASPECT_TRANSPARENT: break; default: _ASSERTE(FALSE); return DV_E_DVASPECT; break; } // make sure nobody forgets to do this if (ptd == NULL) hicTargetDev = NULL; BOOL bOptimize = FALSE; if (pvAspect && ((DVASPECTINFO *)pvAspect)->cb >= sizeof(DVASPECTINFO)) bOptimize = (((DVASPECTINFO *)pvAspect)->dwFlags & DVASPECTINFOFLAG_CANOPTIMIZE); ATL_DRAWINFO di; memset(&di, 0, sizeof(di)); di.cbSize = sizeof(di); di.dwDrawAspect = dwDrawAspect; di.lindex = lindex; di.ptd = ptd; di.hicTargetDev = hicTargetDev; di.hdcDraw = hdcDraw; di.prcBounds = prcBounds; di.prcWBounds = prcWBounds; di.bOptimize = bOptimize; return OnDrawAdvanced(di); } HRESULT CComControlBase::IDataObject_GetData(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) { if (pmedium == NULL) return E_POINTER; memset(pmedium, 0, sizeof(STGMEDIUM)); ATLTRACE(_T("Format = %x\n"), pformatetcIn->cfFormat); ATLTRACE(_T("TYMED = %x\n"), pformatetcIn->tymed); if ((pformatetcIn->tymed & TYMED_MFPICT) == 0) return DATA_E_FORMATETC; SIZEL sizeMetric, size; if (m_bDrawFromNatural) sizeMetric = m_sizeNatural; else sizeMetric = m_sizeExtent; if (!m_bDrawGetDataInHimetric) AtlHiMetricToPixel(&sizeMetric, &size); else size = sizeMetric; RECTL rectl = {0 ,0, size.cx, size.cy}; ATL_DRAWINFO di; memset(&di, 0, sizeof(di)); di.cbSize = sizeof(di); di.dwDrawAspect = DVASPECT_CONTENT; di.lindex = -1; di.ptd = NULL; di.hicTargetDev = NULL; di.prcBounds = &rectl; di.prcWBounds = &rectl; di.bOptimize = TRUE; //we do a SaveDC/RestoreDC di.bRectInHimetric = m_bDrawGetDataInHimetric; // create appropriate memory metafile DC di.hdcDraw = CreateMetaFile(NULL); // create attribute DC according to pformatetcIn->ptd SaveDC(di.hdcDraw); SetWindowOrgEx(di.hdcDraw, 0, 0, NULL); SetWindowExtEx(di.hdcDraw, rectl.right, rectl.bottom, NULL); OnDrawAdvanced(di); RestoreDC(di.hdcDraw, -1); HMETAFILE hMF = CloseMetaFile(di.hdcDraw); if (hMF == NULL) return E_UNEXPECTED; HGLOBAL hMem=GlobalAlloc(GMEM_SHARE | GMEM_MOVEABLE, sizeof(METAFILEPICT)); if (NULL==hMem) { DeleteMetaFile(hMF); return ResultFromScode(STG_E_MEDIUMFULL); } LPMETAFILEPICT pMF=(LPMETAFILEPICT)GlobalLock(hMem); pMF->hMF=hMF; pMF->mm=MM_ANISOTROPIC; pMF->xExt=sizeMetric.cx; pMF->yExt=sizeMetric.cy; GlobalUnlock(hMem); pmedium->tymed = TYMED_MFPICT; pmedium->hGlobal = hMem; pmedium->pUnkForRelease = NULL; return S_OK; } HRESULT CComControlBase::FireViewChange() { if (m_bInPlaceActive) { // Active if (m_hWndCD != NULL) return (::InvalidateRect(m_hWndCD, NULL, TRUE)) ? S_OK : E_FAIL; // Window based if (m_spInPlaceSite != NULL) return m_spInPlaceSite->InvalidateRect(NULL, TRUE); // Windowless } // Inactive SendOnViewChange(DVASPECT_CONTENT); return S_OK; } void CComControlBase::GetZoomInfo(ATL_DRAWINFO& di) { const RECTL& rcPos = *di.prcBounds; SIZEL sizeDen; if (m_bDrawFromNatural) sizeDen = m_sizeNatural; else sizeDen = m_sizeExtent; if (!di.bRectInHimetric) AtlHiMetricToPixel(&sizeDen, &sizeDen); SIZEL sizeNum = {rcPos.right-rcPos.left, rcPos.bottom-rcPos.top}; di.ZoomNum.cx = sizeNum.cx; di.ZoomNum.cy = sizeNum.cy; di.ZoomDen.cx = sizeDen.cx; di.ZoomDen.cy = sizeDen.cy; if (sizeDen.cx == 0 || sizeDen.cy == 0 || sizeNum.cx == 0 || sizeNum.cy == 0) { di.ZoomNum.cx = di.ZoomNum.cy = di.ZoomDen.cx = di.ZoomDen.cy = 1; di.bZoomed = FALSE; } else if (sizeNum.cx != sizeDen.cx || sizeNum.cy != sizeDen.cy) di.bZoomed = TRUE; else di.bZoomed = FALSE; } HRESULT CComControlBase::OnDrawAdvanced(ATL_DRAWINFO& di) { BOOL bDeleteDC = FALSE; if (di.hicTargetDev == NULL) { di.hicTargetDev = AtlCreateTargetDC(di.hdcDraw, di.ptd); bDeleteDC = (di.hicTargetDev != di.hdcDraw); } RECTL rectBoundsDP = *di.prcBounds; BOOL bMetafile = GetDeviceCaps(di.hdcDraw, TECHNOLOGY) == DT_METAFILE; if (!bMetafile) { ::LPtoDP(di.hicTargetDev, (LPPOINT)&rectBoundsDP, 2); SaveDC(di.hdcDraw); SetMapMode(di.hdcDraw, MM_TEXT); SetWindowOrgEx(di.hdcDraw, 0, 0, NULL); SetViewportOrgEx(di.hdcDraw, 0, 0, NULL); di.bOptimize = TRUE; //since we save the DC we can do this } di.prcBounds = &rectBoundsDP; GetZoomInfo(di); HRESULT hRes = OnDraw(di); if (bDeleteDC) ::DeleteDC(di.hicTargetDev); if (!bMetafile) RestoreDC(di.hdcDraw, -1); return hRes; } LRESULT CComControlBase::OnPaint(UINT /* nMsg */, WPARAM /* wParam */, LPARAM /* lParam */, BOOL& /* lResult */) { RECT rc; PAINTSTRUCT ps; HDC hdc = ::BeginPaint(m_hWndCD, &ps); if (hdc == NULL) return 0; ::GetClientRect(m_hWndCD, &rc); ATL_DRAWINFO di; memset(&di, 0, sizeof(di)); di.cbSize = sizeof(di); di.dwDrawAspect = DVASPECT_CONTENT; di.lindex = -1; di.hdcDraw = hdc; di.prcBounds = (LPCRECTL)&rc; OnDrawAdvanced(di); ::EndPaint(m_hWndCD, &ps); return 0; } #ifndef ATL_NO_NAMESPACE }; //namespace ATL #endif /////////////////////////////////////////////////////////////////////////////// //All Global stuff goes below this line /////////////////////////////////////////////////////////////////////////////// #ifndef _ATL_DLL ATLAPI_(HDC) AtlCreateTargetDC(HDC hdc, DVTARGETDEVICE* ptd) { USES_CONVERSION; // cases hdc, ptd, hdc is metafile, hic // NULL, NULL, n/a, Display // NULL, !NULL, n/a, ptd // !NULL, NULL, FALSE, hdc // !NULL, NULL, TRUE, display // !NULL, !NULL, FALSE, ptd // !NULL, !NULL, TRUE, ptd if (ptd != NULL) { LPDEVMODEOLE lpDevMode; LPOLESTR lpszDriverName; LPOLESTR lpszDeviceName; LPOLESTR lpszPortName; if (ptd->tdExtDevmodeOffset == 0) lpDevMode = NULL; else lpDevMode = (LPDEVMODEOLE) ((LPSTR)ptd + ptd->tdExtDevmodeOffset); lpszDriverName = (LPOLESTR)((BYTE*)ptd + ptd->tdDriverNameOffset); lpszDeviceName = (LPOLESTR)((BYTE*)ptd + ptd->tdDeviceNameOffset); lpszPortName = (LPOLESTR)((BYTE*)ptd + ptd->tdPortNameOffset); return ::CreateDC(OLE2CT(lpszDriverName), OLE2CT(lpszDeviceName), OLE2CT(lpszPortName), DEVMODEOLE2T(lpDevMode)); } else if (hdc == NULL || GetDeviceCaps(hdc, TECHNOLOGY) == DT_METAFILE) return ::CreateDC(_T("DISPLAY"), NULL, NULL, NULL); else return hdc; } #define HIMETRIC_PER_INCH 2540 #define MAP_PIX_TO_LOGHIM(x,ppli) ( (HIMETRIC_PER_INCH*(x) + ((ppli)>>1)) / (ppli) ) #define MAP_LOGHIM_TO_PIX(x,ppli) ( ((ppli)*(x) + HIMETRIC_PER_INCH/2) / HIMETRIC_PER_INCH ) ATLAPI_(void) AtlHiMetricToPixel(const SIZEL * lpSizeInHiMetric, LPSIZEL lpSizeInPix) { int nPixelsPerInchX; // Pixels per logical inch along width int nPixelsPerInchY; // Pixels per logical inch along height HDC hDCScreen = GetDC(NULL); if (hDCScreen) { nPixelsPerInchX = GetDeviceCaps(hDCScreen, LOGPIXELSX); nPixelsPerInchY = GetDeviceCaps(hDCScreen, LOGPIXELSY); ReleaseDC(NULL, hDCScreen); } else { nPixelsPerInchX = nPixelsPerInchY = 1; } lpSizeInPix->cx = MAP_LOGHIM_TO_PIX(lpSizeInHiMetric->cx, nPixelsPerInchX); lpSizeInPix->cy = MAP_LOGHIM_TO_PIX(lpSizeInHiMetric->cy, nPixelsPerInchY); } ATLAPI_(void) AtlPixelToHiMetric(const SIZEL * lpSizeInPix, LPSIZEL lpSizeInHiMetric) { int nPixelsPerInchX; // Pixels per logical inch along width int nPixelsPerInchY; // Pixels per logical inch along height HDC hDCScreen = GetDC(NULL); if (hDCScreen) { nPixelsPerInchX = GetDeviceCaps(hDCScreen, LOGPIXELSX); nPixelsPerInchY = GetDeviceCaps(hDCScreen, LOGPIXELSY); ReleaseDC(NULL, hDCScreen); } else { nPixelsPerInchX = nPixelsPerInchY = 1; } lpSizeInHiMetric->cx = MAP_PIX_TO_LOGHIM(lpSizeInPix->cx, nPixelsPerInchX); lpSizeInHiMetric->cy = MAP_PIX_TO_LOGHIM(lpSizeInPix->cy, nPixelsPerInchY); } #endif