circlectrl.h

Visual_C++.NET精彩案例237.rar

// CircleCtrl.h : CCircleCtrl 的声明
#pragma once
#include "resource.h"       // 主符号
#include <atlctl.h>
#include "SimpleAtl.h"
#include "_ICircleCtrlEvents_CP.h"

// CCircleCtrl
class ATL_NO_VTABLE CCircleCtrl : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CStockPropImpl<CCircleCtrl, ICircleCtrl>,
	public IPersistStreamInitImpl<CCircleCtrl>,
	public IOleControlImpl<CCircleCtrl>,
	public IOleObjectImpl<CCircleCtrl>,
	public IOleInPlaceActiveObjectImpl<CCircleCtrl>,
	public IViewObjectExImpl<CCircleCtrl>,
	public IOleInPlaceObjectWindowlessImpl<CCircleCtrl>,
	public ISupportErrorInfo,
	public IConnectionPointContainerImpl<CCircleCtrl>,
	public CProxy_ICircleCtrlEvents<CCircleCtrl>, 
	public IPersistStorageImpl<CCircleCtrl>,
	public ISpecifyPropertyPagesImpl<CCircleCtrl>,
	public IQuickActivateImpl<CCircleCtrl>,
	public IDataObjectImpl<CCircleCtrl>,
	public IProvideClassInfo2Impl<&CLSID_CircleCtrl, &__uuidof(_ICircleCtrlEvents), &LIBID_SimpleAtlLib>,
	public CComCoClass<CCircleCtrl, &CLSID_CircleCtrl>,
	public CComControl<CCircleCtrl>
{
public:

	CCircleCtrl()
	{
	}

DECLARE_OLEMISC_STATUS(OLEMISC_RECOMPOSEONRESIZE | 
	OLEMISC_CANTLINKINSIDE | 
	OLEMISC_INSIDEOUT | 
	OLEMISC_ACTIVATEWHENVISIBLE | 
	OLEMISC_SETCLIENTSITEFIRST
)

DECLARE_REGISTRY_RESOURCEID(IDR_CIRCLECTRL)

BEGIN_COM_MAP(CCircleCtrl)
	COM_INTERFACE_ENTRY(ICircleCtrl)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(IViewObjectEx)
	COM_INTERFACE_ENTRY(IViewObject2)
	COM_INTERFACE_ENTRY(IViewObject)
	COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceObject)
	COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
	COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
	COM_INTERFACE_ENTRY(IOleControl)
	COM_INTERFACE_ENTRY(IOleObject)
	COM_INTERFACE_ENTRY(IPersistStreamInit)
	COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
	COM_INTERFACE_ENTRY(ISupportErrorInfo)
	COM_INTERFACE_ENTRY(IConnectionPointContainer)
	COM_INTERFACE_ENTRY(ISpecifyPropertyPages)
	COM_INTERFACE_ENTRY(IQuickActivate)
	COM_INTERFACE_ENTRY(IPersistStorage)
	COM_INTERFACE_ENTRY(IDataObject)
	COM_INTERFACE_ENTRY(IProvideClassInfo)
	COM_INTERFACE_ENTRY(IProvideClassInfo2)
END_COM_MAP()

BEGIN_PROP_MAP(CCircleCtrl)
	PROP_DATA_ENTRY("_cx", m_sizeExtent.cx, VT_UI4)
	PROP_DATA_ENTRY("_cy", m_sizeExtent.cy, VT_UI4)
	PROP_ENTRY("FillColor", DISPID_FILLCOLOR, CLSID_StockColorPage)
	// 示例项
	// PROP_ENTRY("Property Description", dispid, clsid)
	// PROP_PAGE(CLSID_StockColorPage)
END_PROP_MAP()

BEGIN_CONNECTION_POINT_MAP(CCircleCtrl)
	CONNECTION_POINT_ENTRY(__uuidof(_ICircleCtrlEvents))
END_CONNECTION_POINT_MAP()

BEGIN_MSG_MAP(CCircleCtrl)
	CHAIN_MSG_MAP(CComControl<CCircleCtrl>)
	DEFAULT_REFLECTION_HANDLER()
END_MSG_MAP()
// 处理程序原型：
//  LRESULT MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
//  LRESULT CommandHandler(WORD wNotifyCode, WORD wID, HWND hWndCtl, BOOL& bHandled);
//  LRESULT NotifyHandler(int idCtrl, LPNMHDR pnmh, BOOL& bHandled);

// ISupportsErrorInfo
	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid)
	{
		static const IID* arr[] = 
		{
			&IID_ICircleCtrl,
		};

		for (int i=0; i<sizeof(arr)/sizeof(arr[0]); i++)
		{
			if (InlineIsEqualGUID(*arr[i], riid))
				return S_OK;
		}
		return S_FALSE;
	}

// IViewObjectEx
	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)

// ICircleCtrl
public:
		HRESULT OnDraw(ATL_DRAWINFO& di)
		{
		RECT& rc = *(RECT*)di.prcBounds;

		HDC hdc  = di.hdcDraw;
		//在窗口中心画圆
		Ellipse(hdc, rc.left, rc.top, rc.right, rc.bottom);
		LPCTSTR pszText = _T("OK，成功了！");
		//显示文本
		TextOut(di.hdcDraw,	rc.left+45, 
			(rc.top + rc.bottom-30)/2,pszText,lstrlen(pszText));
		return S_OK;
		/*// 将剪辑区域设置为 di.prcBounds 指定的矩形
		HRGN hRgnOld = NULL;
		if (GetClipRgn(di.hdcDraw, hRgnOld) != 1)
			hRgnOld = NULL;
		bool bSelectOldRgn = false;

		HRGN hRgnNew = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);

		if (hRgnNew != NULL)
		{
			bSelectOldRgn = (SelectClipRgn(di.hdcDraw, hRgnNew) != ERROR);
		}

		Rectangle(di.hdcDraw, rc.left, rc.top, rc.right, rc.bottom);
		SetTextAlign(di.hdcDraw, TA_CENTER|TA_BASELINE);
		LPCTSTR pszText = _T("ATL 7.0 : CircleCtrl");
		TextOut(di.hdcDraw, 
			(rc.left + rc.right) / 2, 
			(rc.top + rc.bottom) / 2, 
			pszText, 
			lstrlen(pszText));

		if (bSelectOldRgn)
			SelectClipRgn(di.hdcDraw, hRgnOld);

		return S_OK;*/
	}

	OLE_COLOR m_clrFillColor;
	void OnFillColorChanged()
	{
		ATLTRACE(_T("OnFillColorChanged\n"));
	}

	DECLARE_PROTECT_FINAL_CONSTRUCT()

	HRESULT FinalConstruct()
	{
		return S_OK;
	}
	
	void FinalRelease() 
	{
	}
	STDMETHOD(get_Sides)(SHORT* pVal);
	STDMETHOD(put_Sides)(SHORT newVal);
};

OBJECT_ENTRY_AUTO(__uuidof(CircleCtrl), CCircleCtrl)