occsite.cpp

vc6.0完整版

	va_list argList;    // really only one arg, but...
	va_start(argList, vtProp);

	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);
	lstrcpyn(lpszString, str, nMaxCount);
	return lstrlen(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;
}

void COleControlSite::EnableDSC()
{
	if (m_pDataSourceControl == NULL)
	{
		m_pDataSourceControl = new CDataSourceControl(this);
		m_pDataSourceControl->Initialize();
	}
}

void COleControlSite::BindDefaultProperty(DISPID dwDispID, VARTYPE vtProp, LPCTSTR szFieldName, CWnd* pDSCWnd)
{
	// Remove any previous binding
	if (m_pDSCSite != NULL)
	{
		m_pDSCSite->m_pDataSourceControl->BindProp(this, FALSE);
		m_pDSCSite->m_pDataSourceControl->BindColumns();
		m_pDSCSite = NULL;
	}

	if (pDSCWnd != NULL)
	{
		ASSERT(pDSCWnd->m_pCtrlSite);  // must be an OLE control
		pDSCWnd->m_pCtrlSite->EnableDSC();
		m_pDSCSite = pDSCWnd->m_pCtrlSite;
		m_defdispid = dwDispID;
		m_dwType = vtProp;
		m_strDataField = szFieldName;
		m_pDSCSite->m_pDataSourceControl->BindProp(this, TRUE);
		if (m_pDSCSite != NULL)
			m_pDSCSite->m_pDataSourceControl->BindColumns();
	}
}

void COleControlSite::BindProperty(DISPID dwDispId, CWnd* pWndDSC)
{
	ASSERT(pWndDSC == NULL || pWndDSC->m_pCtrlSite);
	if (pWndDSC != NULL && dwDispId != DISPID_UNKNOWN)
	{
		m_pBindings = new CDataBoundProperty(m_pBindings, dwDispId, 0);
		m_pBindings->m_pDSCSite = pWndDSC->m_pCtrlSite;
		m_pBindings->m_pClientSite = this;
		m_pBindings->m_pDSCSite->EnableDSC();
		m_pBindings->m_pDSCSite->m_pDataSourceControl->BindProp(m_pBindings, TRUE);
	}
	else
	{
		// Try and locate the particular property to unbind
		// if dwDispId == DISPID_UNKNOWN && pWndDSC == NULL it unbinds all properties
		// if dwDispId == DISPID_UNKNOWN && pWndDSC != NULL it unbinds properties for that DSC
		CDataBoundProperty *pCurrent = m_pBindings;
		CDataBoundProperty* pPrev = NULL;
		while (pCurrent != NULL)
		{
			CDataBoundProperty* pNext = pCurrent->GetNext();
			if (dwDispId == DISPID_UNKNOWN || pCurrent->m_dispid == dwDispId)
			{
				if (pWndDSC == NULL || pWndDSC->m_pCtrlSite == pCurrent->m_pDSCSite)
				{
					if (pPrev != NULL)
						pPrev->m_pNext = pNext;
					else
						m_pBindings = pNext;
					if (pCurrent->m_pDSCSite != NULL && pCurrent->m_pDSCSite->m_pDataSourceControl != NULL)
						pCurrent->m_pDSCSite->m_pDataSourceControl->BindProp(pCurrent, FALSE);
					delete pCurrent;
				}
			}
			if (pPrev != NULL)
				pPrev = pPrev->GetNext();
			pCurrent = pNext;
		}
	}
}


/////////////////////////////////////////////////////////////////////////////
// COleControlSite::XOleClientSite

STDMETHODIMP_(ULONG) COleControlSite::XOleClientSite::AddRef()
{
	METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite)
	return (ULONG)pThis->InternalAddRef();
}

STDMETHODIMP_(ULONG) COleControlSite::XOleClientSite::Release()
{
	METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite)
	return (ULONG)pThis->InternalRelease();
}

STDMETHODIMP COleControlSite::XOleClientSite::QueryInterface(
	REFIID iid, LPVOID* ppvObj)
{
	METHOD_PROLOGUE_EX_(COleControlSite, OleClientSite)
	return (HRESULT)pThis->InternalQueryInterface(&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->InternalQueryInterface(
		&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->InternalAddRef();
}

STDMETHODIMP_(ULONG) COleControlSite::XOleIPSite::Release()
{
	METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite)
	return (ULONG)pThis->InternalRelease();
}

STDMETHODIMP COleControlSite::XOleIPSite::QueryInterface(
	REFIID iid, LPVOID* ppvObj)
{
	METHOD_PROLOGUE_EX_(COleControlSite, OleIPSite)
	return (HRESULT)pThis->InternalQueryInterface(&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));

	//WINBUG: This is a temporary patch for IE3 beta.  When IE3 is fixed, this
	// assert can be re-enabled.  Otherwise it fires everytime you browse via
	// the CWebBrowser control.
	//
	//  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->InternalQueryInterface(
		&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;