ctlcore.cpp

vc6.0完整版

			}
		}
		break;
	}
}

HRESULT COleControl::OnHide()
{
#ifdef _AFXDLL
	CWnd* pWnd = m_bOpen ? m_pWndOpenFrame : GetOuterWindow();
#else
	CWnd* pWnd = GetOuterWindow();
#endif
	if (pWnd != NULL && pWnd->m_hWnd != NULL)
		::ShowWindow(pWnd->m_hWnd, SW_HIDE);

	RELEASE(m_pInPlaceFrame);
	RELEASE(m_pInPlaceDoc);

#ifdef _AFXDLL
	if (m_bOpen)
		SendAdvise(OBJECTCODE_HIDEWINDOW);
#endif

	return S_OK;
}

HRESULT COleControl::OnOpen(BOOL bTryInPlace, LPMSG pMsg)
{
#ifndef _AFXDLL
	ASSERT(bTryInPlace);    // fully-open mode not supported in static builds
	UNUSED_ALWAYS(bTryInPlace);
#endif

#ifndef _AFXDLL
	return OnActivateInPlace(TRUE, pMsg);
#else
	if (!m_bOpen)
	{
		// If not already open, try in-place activating.
		if (bTryInPlace && SUCCEEDED(OnActivateInPlace(bTryInPlace, pMsg)))
			return S_OK;

		// If already in-place active, deactivate first.
		if (m_bInPlaceActive)
			m_xOleInPlaceObject.InPlaceDeactivate();

		m_bOpen = TRUE;

		// Open a separate window.
		if (m_pWndOpenFrame == NULL)
		{
			// Create frame window
			m_pWndOpenFrame = CreateFrameWindow();

			if (m_pWndOpenFrame == NULL)
				return E_FAIL;

			// Size frame window to exactly contain the control.
			int cx;
			int cy;
			GetControlSize(&cx, &cy);
			ResizeFrameWindow(cx, cy);

			// Create and/or reparent the control's window.
			CRect rectClient;
			m_pWndOpenFrame->GetClientRect(&rectClient);
			if (!CreateControlWindow(m_pWndOpenFrame->m_hWnd, rectClient, rectClient))
				return E_FAIL;
		}
	}

	// Make the frame window visible and activate it.
	ASSERT(m_pWndOpenFrame != NULL);
	m_pWndOpenFrame->ShowWindow(SW_SHOW);
	m_pWndOpenFrame->SetActiveWindow();
	SendAdvise(OBJECTCODE_SHOWWINDOW);
	return S_OK;
#endif
}

#ifdef _AFXDLL
CControlFrameWnd* COleControl::CreateFrameWindow()
{
	TCHAR szUserType[256];
	GetUserType(szUserType);

	CControlFrameWnd* pWnd = new CControlFrameWnd(this);
	if (!pWnd->Create(szUserType))
	{
		// If Create failed, then frame window has deleted itself.
		pWnd = NULL;
	}

	return pWnd;
}

void COleControl::OnFrameClose()
{
	// Reparent control to prevent its window from being destroyed.
	CWnd* pWnd = GetOuterWindow();
	if (pWnd != NULL)
	{
		::SetWindowPos(pWnd->m_hWnd, NULL, 0, 0, 0, 0,
			SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
			SWP_HIDEWINDOW);
		pWnd->SetParent(NULL);
	}

	m_pWndOpenFrame = NULL;
	m_bOpen = FALSE;

	m_xOleObject.Close(OLECLOSE_SAVEIFDIRTY);

	SendAdvise(OBJECTCODE_HIDEWINDOW);
	SendAdvise(OBJECTCODE_CLOSED);
}

void COleControl::ResizeOpenControl(int cx, int cy)
{
	CWnd* pWndOuter = GetOuterWindow();
	if ((pWndOuter != NULL) && (pWndOuter->m_hWnd != NULL))
		::SetWindowPos(pWndOuter->m_hWnd, NULL, 0, 0, cx, cy,
					SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
	ResizeFrameWindow(cx, cy);
}

void COleControl::ResizeFrameWindow(int cxCtrl, int cyCtrl)
{
	m_pWndOpenFrame->SetWindowPos(NULL, 0, 0, 100, 100,
				SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
	CRect rectClient;
	m_pWndOpenFrame->GetClientRect(&rectClient);
	CRect rectWindow;
	m_pWndOpenFrame->GetWindowRect(&rectWindow);
	int cx = cxCtrl + rectWindow.Width()  - rectClient.Width();
	int cy = cyCtrl + rectWindow.Height() - rectClient.Height();
	m_pWndOpenFrame->SetWindowPos(NULL, 0, 0, cx, cy,
				SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOZORDER);
}

#endif //_AFXDLL

BOOL COleControl::GetRectInContainer(LPRECT lpRect)
{
	if (m_bInPlaceActive)
		CopyRect(lpRect, &m_rcPos);

	return m_bInPlaceActive;
}

LPCLSID COleControl::GetPropPageIDs(ULONG& cPropPages)
{
	cPropPages = 0;
	return NULL;
}

BOOL COleControl::OnEdit(LPMSG lpMsg, HWND, LPCRECT lpRect)
{
	CopyRect(m_rcPos, lpRect);
	return SUCCEEDED(OnActivateInPlace(TRUE, lpMsg));
}

HWND AFXAPI _AfxGetTopLevelWindow(HWND hWnd)
{
	HWND hWndTop;

	do
	{
		hWndTop = hWnd;
		hWnd = ::GetParent(hWnd);
	}
	while (hWnd != NULL);

	return hWndTop;
}

BOOL COleControl::OnProperties(LPMSG, HWND hWndParent, LPCRECT)
{
	USES_CONVERSION;

	HRESULT hr;

	if ((m_pControlSite == NULL) ||
		FAILED(hr = m_pControlSite->ShowPropertyFrame()))
	{
		LPUNKNOWN pUnk = GetIDispatch(FALSE);
		HWND hWndOwner = CWnd::GetSafeOwner_(hWndParent, NULL);

		LCID lcid = AmbientLocaleID();

		ULONG cPropPages;
		LPCLSID pclsidPropPages = GetPropPageIDs(cPropPages);

		RECT rectParent;
		RECT rectTop;
		::GetWindowRect(hWndParent, &rectParent);
		::GetWindowRect(hWndOwner, &rectTop);

		TCHAR szUserType[256];
		GetUserType(szUserType);

		PreModalDialog(hWndOwner);
		hr = ::OleCreatePropertyFrame(hWndOwner, rectParent.left - rectTop.left,
				rectParent.top - rectTop.top, T2COLE(szUserType), 1, &pUnk,
				cPropPages, pclsidPropPages, lcid, NULL, 0);
		PostModalDialog(hWndOwner);
	}

	return SUCCEEDED(hr);
}

DWORD COleControl::GetControlFlags()
{
	return clipPaintDC;
}

void COleControl::OnPaint(CDC* pDC)
{
	if (m_bNoRedraw)
	{
		// flicker-free activation: no need to repaint
		ValidateRect(NULL);
		m_bNoRedraw = FALSE;    // one time only
		return;
	}

	AfxLockTempMaps();

	GetWindowRect(m_rcBounds);
	m_rcBounds.OffsetRect(-m_rcBounds.left, -m_rcBounds.top);

	// Adjust bounds for size of UI Active tracker, if any.
#ifdef _AFXDLL
	if (!m_bOpen && (m_pRectTracker != NULL))
#else
	if (m_pRectTracker != NULL)
#endif
	{
		int nHandleSize = (int)m_pRectTracker->m_nHandleSize - 1;
		m_rcBounds.InflateRect(-nHandleSize, -nHandleSize);
	}

	CRect rcClient;
	GetClientRect(rcClient);

	if (pDC != NULL)
	{
		// We were passed a device context: use it.
		int iSaveDC = pDC->SaveDC();
		OnDraw(pDC, rcClient, rcClient);
		pDC->RestoreDC(iSaveDC);
	}
	else
	{
#ifdef _DEBUG
		int nFlags = GetControlFlags();
		if (nFlags & fastBeginPaint)
			TRACE0("Warning: COleControl::fastBeginPaint is obsolete.\n");
#endif

		CPaintDC dc(this);
		OnDraw(&dc, rcClient, &dc.m_ps.rcPaint);
	}

	AfxUnlockTempMaps();
}

BOOL COleControl::OnEraseBkgnd(CDC* pDC)
{
	// do nothing -- controls erase their background in their OnDraw
	if (IsSubclassedControl())
		return CWnd::OnEraseBkgnd(pDC);
	else
		return TRUE;
}

void  COleControl::Serialize(CArchive& ar)
{
	CArchivePropExchange px(ar);
	DoPropExchange(&px);
	if (ar.IsLoading())
	{
		BoundPropertyChanged(DISPID_UNKNOWN);
		InvalidateControl();
	}
}

void COleControl::DoPropExchange(CPropExchange* pPX)
{
	ASSERT_POINTER(pPX, CPropExchange);

	ExchangeExtent(pPX);
	ExchangeStockProps(pPX);
}

/////////////////////////////////////////////////////////////////////////////
// Wrappers for IOleControlSite

void COleControl::ControlInfoChanged()
{
	if (m_pControlSite != NULL)
		m_pControlSite->OnControlInfoChanged();
}

BOOL COleControl::LockInPlaceActive(BOOL bLock)
{
	if (m_pControlSite != NULL)
		return SUCCEEDED(m_pControlSite->LockInPlaceActive(bLock));

	return FALSE;
}

LPDISPATCH COleControl::GetExtendedControl()
{
	LPDISPATCH pDispatch = NULL;
	if (m_pControlSite != NULL)
		m_pControlSite->GetExtendedControl(&pDispatch);

	return pDispatch;
}

void COleControl::TransformCoords(POINTL* lpptlHimetric,
	POINTF* lpptfContainer, DWORD flags)
{
	if ((m_pControlSite == NULL) ||
		(FAILED(m_pControlSite->TransformCoords(lpptlHimetric,
			lpptfContainer, flags))))
	{
		// Transformation failed, use the identity transformation

		if (flags & XFORMCOORDS_CONTAINERTOHIMETRIC)
		{
			lpptlHimetric->x = (long)lpptfContainer->x;
			lpptlHimetric->y = (long)lpptfContainer->y;
		}
		else
		{
			lpptfContainer->x = (float)lpptlHimetric->x;
			lpptfContainer->y = (float)lpptlHimetric->y;
		}
	}
}

/////////////////////////////////////////////////////////////////////////////
// COleControl::XOleControl

STDMETHODIMP_(ULONG) COleControl::XOleControl::AddRef()
{
	METHOD_PROLOGUE_EX_(COleControl, OleControl)
	return (ULONG)pThis->ExternalAddRef();
}

STDMETHODIMP_(ULONG) COleControl::XOleControl::Release()
{
	METHOD_PROLOGUE_EX_(COleControl, OleControl)
	return (ULONG)pThis->ExternalRelease();
}

STDMETHODIMP COleControl::XOleControl::QueryInterface(
	REFIID iid, LPVOID* ppvObj)
{
	METHOD_PROLOGUE_EX_(COleControl, OleControl)
	return (HRESULT)pThis->ExternalQueryInterface(&iid, ppvObj);
}

STDMETHODIMP COleControl::XOleControl::GetControlInfo(LPCONTROLINFO pCI)
{
	METHOD_PROLOGUE_EX(COleControl, OleControl)
	pThis->OnGetControlInfo(pCI);
	return S_OK;
}

STDMETHODIMP COleControl::XOleControl::OnMnemonic(LPMSG pMsg)
{
	METHOD_PROLOGUE_EX(COleControl, OleControl)
	pThis->OnMnemonic(pMsg);
	return S_OK;
}

STDMETHODIMP COleControl::XOleControl::OnAmbientPropertyChange(DISPID dispid)
{
	METHOD_PROLOGUE_EX(COleControl, OleControl)

	if (dispid == DISPID_AMBIENT_UIDEAD || dispid == DISPID_UNKNOWN)
		pThis->m_bUIDead = (BYTE)(pThis->AmbientUIDead());

	pThis->OnAmbientPropertyChange(dispid);
	return S_OK;
}

STDMETHODIMP COleControl::XOleControl::FreezeEvents(BOOL bFreeze)
{
	METHOD_PROLOGUE_EX(COleControl, OleControl)

	ULONG& cEventsFrozen = pThis->m_cEventsFrozen;

	if (bFreeze)
		++(cEventsFrozen);
	else
		--(cEventsFrozen);

	ASSERT(cEventsFrozen >= 0); // Should never go below zero!

	if ((cEventsFrozen == 1 && bFreeze) ||
		(cEventsFrozen == 0 && !bFreeze))
	{
		pThis->OnFreezeEvents(bFreeze);
	}

	return S_OK;
}

void COleControl::OnGetControlInfo(LPCONTROLINFO pControlInfo)
{
	// Subclass may override

	pControlInfo->hAccel = NULL;
	pControlInfo->cAccel = 0;
	pControlInfo->dwFlags = 0;
}

void COleControl::OnMnemonic(LPMSG)
{
	// To be implemented by subclass
}

void COleControl::OnAmbientPropertyChange(DISPID)
{
	// To be implemented by subclass
}

void COleControl::OnFreezeEvents(BOOL)
{
	// To be implemented by subclass
}

void COleControl::OnSetClientSite()
{
	if (!m_bDataPathPropertiesLoaded)
	{
		CAsyncPropExchange PX(m_dwDataPathVersionToReport);
		DoPropExchange(&PX);
		m_bDataPathPropertiesLoaded=TRUE;
	}
}

LPOLECLIENTSITE COleControl::GetClientSite()
{
	return m_pClientSite;
}

COLORREF COleControl::TranslateColor(OLE_COLOR clrColor, HPALETTE hpal)
{
	COLORREF cr = RGB(0x00,0x00,0x00);
	::OleTranslateColor(clrColor, hpal, &cr);
	return cr;
}

void COleControl::Refresh()
{
	InvalidateControl();
	if (m_hWnd != NULL)
		UpdateWindow();
}

void COleControl::DoClick()
{
	OnClick(LEFT_BUTTON);
}

BOOL COleControl::OnNcCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (m_pReflect != NULL)
		m_pReflect->SetControl(this);

	return CWnd::OnNcCreate(lpCreateStruct);
}

void COleControl::RecreateControlWindow()
{
	if (m_bInPlaceActive)
	{
		BOOL bUIActive = m_bUIActive;
		m_xOleInPlaceObject.InPlaceDeactivate();
		DestroyWindow();
		OnActivateInPlace(bUIActive, NULL);
	}
#ifdef _AFXDLL
	else if (m_bOpen)
	{
		DestroyWindow();
		CRect rectClient;
		m_pWndOpenFrame->GetClientRect(&rectClient);
		CreateControlWindow(m_pWndOpenFrame->m_hWnd, rectClient, rectClient);
	}
#endif //_AFXDLL
	else
	{
		HWND hWndParent = _AfxGetParkingWindow();
		if (hWndParent != NULL)
		{
			DestroyWindow();
			int cx;
			int cy;
			GetControlSize(&cx, &cy);
			CRect rect(0, 0, cx, cy);
			CreateControlWindow(hWndParent, rect);
		}
	}
}

void COleControl::CreateWindowForSubclassedControl()
{
	if (IsSubclassedControl() && (m_hWnd == NULL))
	{
		// If this is a subclassed control, we should create the window
		// for it now, in case the window is needed by the DoSuperclassPaint
		// implementation.

		HWND hWndParent = _AfxGetParkingWindow();
		if (hWndParent != NULL)
		{