afxctl.h

计算机科学与技术专业毕业设计

	// Window reparenting
	virtual void ReparentControlWindow(HWND hWndOuter, HWND hWndParent);

	// Window procedure
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);

	// General-purpose flags
	enum ControlFlags {
		fastBeginPaint      = 0x0001,
		clipPaintDC         = 0x0002,
		pointerInactive     = 0x0004,
		noFlickerActivate   = 0x0008,
		windowlessActivate  = 0x0010,
		canOptimizeDraw     = 0x0020,
	};
	virtual DWORD GetControlFlags();

	// Inactive pointer handling
	virtual DWORD GetActivationPolicy();
	virtual BOOL OnInactiveSetCursor(LPCRECT lprcBounds, long x, long y,
		DWORD dwMouseMsg, BOOL bSetAlways);
	virtual void OnInactiveMouseMove(LPCRECT lprcBounds, long x, long y,
		DWORD dwKeyState);

	// Windowless activation handling
	virtual BOOL OnWindowlessMessage(UINT msg, WPARAM wParam, LPARAM lParam,
		LRESULT* plResult);
	virtual IDropTarget* GetWindowlessDropTarget();

	// Inactive/windowless helper functions
	virtual void GetClientOffset(long* pdxOffset, long* pdyOffset) const;
	virtual UINT ParentToClient(LPCRECT lprcBounds, LPPOINT pPoint,
		BOOL bHitTest = FALSE) const;
	virtual void ClientToParent(LPCRECT lprcBounds, LPPOINT pPoint) const;

	// Asynchronous properties
	void Load(LPCTSTR strNewPath, CDataPathProperty& prop);

// Implementation
public:
	~COleControl();
	void RequestAsynchronousExchange(DWORD dwVersion);

#ifdef _DEBUG
	void AssertValid() const;
	void Dump(CDumpContext& dc) const;
#endif // _DEBUG

protected:
	// Friend classes
	friend class COleControlInnerUnknown;
	friend class CReflectorWnd;
	friend class CControlFrameWnd;

	// Interface hook for primary automation interface
	LPUNKNOWN GetInterfaceHook(const void* piid);

	// Shutdown
	virtual void OnFinalRelease();
	void ReleaseCaches();

	// Window management
	virtual BOOL CreateControlWindow(HWND hWndParent, const CRect& rcPos,
		LPCRECT prcClipped = NULL);
	void CreateWindowForSubclassedControl();
	BOOL IgnoreWindowMessage(UINT msg, WPARAM wParam, LPARAM lParam,
		LRESULT* plResult);
	virtual LRESULT DefWindowProc(UINT nMsg, WPARAM wParam, LPARAM lParam);

	// Serialization
	HRESULT SaveState(IStream* pStm);
	HRESULT LoadState(IStream* pStm);
	virtual void Serialize(CArchive& ar);

	// Drawing
	void DrawContent(CDC* pDC, CRect& rc);
	void DrawMetafile(CDC* pDC, CRect& rc);
	BOOL GetMetafileData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium);

	// Implementation of IDataObject
	// CControlDataSource implements OnRender reflections to COleControl
	class CControlDataSource : public COleDataSource
	{
	public:
		CControlDataSource(COleControl* pCtrl);
	protected:
		virtual BOOL OnRenderGlobalData(LPFORMATETC lpFormatEtc, HGLOBAL* phGlobal);
		virtual BOOL OnRenderFileData(LPFORMATETC lpFormatEtc, CFile* pFile);
		virtual BOOL OnRenderData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium);
		virtual BOOL OnSetData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium,
			BOOL bRelease);
		COleControl* m_pCtrl;
	};
	friend class CControlDataSource;

	// IDataObject formats
	CControlDataSource* GetDataSource();
	virtual void SetInitialDataFormats();
	BOOL GetPropsetData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium,
		REFCLSID fmtid);
	BOOL SetPropsetData(LPFORMATETC lpFormatEtc, LPSTGMEDIUM lpStgMedium,
		REFCLSID fmtid);

	// Type library
	BOOL GetDispatchIID(IID* pIID);

	// Connection point container
	virtual LPCONNECTIONPOINT GetConnectionHook(REFIID iid);
	virtual BOOL GetExtraConnectionPoints(CPtrArray* pConnPoints);

	// Events
	static const AFX_DATA AFX_EVENTMAP_ENTRY _eventEntries[];
	virtual const AFX_EVENTMAP* GetEventMap() const;
	static const AFX_DATA AFX_EVENTMAP eventMap;
	const AFX_EVENTMAP_ENTRY* GetEventMapEntry(LPCTSTR pszName,
		DISPID* pDispid) const;
	void FireEventV(DISPID dispid, BYTE* pbParams, va_list argList);

	// Stock events
	void KeyDown(USHORT* pnChar);
	void KeyUp(USHORT* pnChar);
	void ButtonDown(USHORT iButton, UINT nFlags, CPoint point);
	void ButtonUp(USHORT iButton, UINT nFlags, CPoint point);
	void ButtonDblClk(USHORT iButton, UINT nFlags, CPoint point);

	// Masks to identify which stock events and properties are used
	void InitStockEventMask();
	void InitStockPropMask();
	DWORD GetStockEventMask() const;
	DWORD GetStockPropMask() const;

	// Support for subclassing a Windows control
	CWnd* GetOuterWindow() const;       // m_pReflect if any, otherwise this
	virtual void OnReflectorDestroyed();

	// Aggregation of default handler
	virtual BOOL OnCreateAggregates();
	LPVOID QueryDefHandler(REFIID iid);

	// State change notifications
	void SendAdvise(UINT uCode);

	// Non-in-place activation
	virtual HRESULT OnOpen(BOOL bTryInPlace, LPMSG pMsg);
#ifdef _AFXDLL
	void ResizeOpenControl(int cx, int cy);
	virtual CControlFrameWnd* CreateFrameWindow();
	virtual void ResizeFrameWindow(int cx, int cy);
	virtual void OnFrameClose();
#endif
	virtual HRESULT OnHide();

	// In-place activation
	virtual HRESULT OnActivateInPlace(BOOL bUIActivate, LPMSG pMsg);
	void ForwardActivationMsg(LPMSG pMsg);
	virtual void AddFrameLevelUI();
	virtual void RemoveFrameLevelUI();
	virtual BOOL BuildSharedMenu();
	virtual void DestroySharedMenu();

	// Property sheet
	virtual LPCLSID GetPropPageIDs(ULONG& cPropPages);

	// IOleObject implementation
	void GetUserType(LPTSTR pszUserType);
	virtual UINT GetUserTypeNameID() = 0;
	virtual DWORD GetMiscStatus() = 0;

	// Rectangle tracker
	void CreateTracker(BOOL bHandles, BOOL bHatching);
	void CreateTracker(BOOL bHandles, BOOL bHatching, LPCRECT prcClip);
	void DestroyTracker();

	// Automation
	BOOL IsInvokeAllowed(DISPID dispid);

	// Ambient property interface initialization
	COleDispatchDriver* GetAmbientDispatchDriver();

	// Data members
	const IID* m_piidPrimary;           // IID for control automation
	const IID* m_piidEvents;            // IID for control events
	DWORD m_dwVersionLoaded;            // Version number of loaded state
	COleDispatchDriver m_ambientDispDriver; // Driver for ambient properties
	ULONG m_cEventsFrozen;              // Event freeze count (>0 means frozen)
	union
	{
#ifdef _AFXDLL
		CControlFrameWnd* m_pWndOpenFrame;  // Open frame window.
#endif
		CControlRectTracker* m_pRectTracker;       // Tracker for UI active control
	};
	CRect m_rcPos;                      // Control's position rectangle
	CRect m_rcBounds;                   // Bounding rectangle for drawing
	CPoint m_ptOffset;                  // Child window origin
	long m_cxExtent;                    // Control's width in HIMETRIC units
	long m_cyExtent;                    // Control's height in HIMETRIC units
	class CReflectorWnd* m_pReflect;    // Reflector window
	UINT m_nIDTracking;                 // Tracking command ID or string IDS
	UINT m_nIDLastMessage;              // Last displayed message string IDS
	unsigned m_bAutoMenuEnable : 1;     // Disable menu items without handlers?
	unsigned m_bFinalReleaseCalled : 1; // Are we handling the final Release?
	unsigned m_bModified : 1;           // "Dirty" bit.
	unsigned m_bCountOnAmbients : 1;    // Can we count on Ambients during load?
	unsigned m_iButtonState : 3;        // Which buttons are down?
	unsigned m_iDblClkState : 3;        // Which buttons involved in dbl click?
	unsigned m_bInPlaceActive : 1;      // Are we in-place active?
	unsigned m_bUIActive : 1;           // Are we UI active?
	unsigned m_bPendingUIActivation : 1; // Are we about to become UI active?
#ifdef _AFXDLL
	unsigned m_bOpen : 1;               // Are we open (non-in-place)?
#endif
	unsigned m_bChangingExtent : 1;     // Extent is currently being changed
	unsigned m_bConvertVBX : 1;         // VBX conversion in progress
	unsigned m_bSimpleFrame : 1;        // Simple frame support
	unsigned m_bUIDead : 1;             // UIDead ambient property value
	unsigned m_bInitialized : 1;        // Was IPersist*::{InitNew,Load} called?
	unsigned m_bAutoClip : 1;           // Does container automatically clip?
	unsigned m_bMsgReflect : 1;         // Does container reflect messages?
	unsigned m_bInPlaceSiteEx : 1;      // Extended in-place site?
	unsigned m_bInPlaceSiteWndless : 1; // Windowless in-place site?
	unsigned m_bNoRedraw : 1;           // Should we skip OnPaint this time?
	unsigned m_bOptimizedDraw : 1;      // Is optimized drawing possible?

	// Stock properties
	OLE_COLOR m_clrBackColor;           // BackColor
	OLE_COLOR m_clrForeColor;           // ForeColor
	CString m_strText;                  // Text/Caption
	CFontHolder m_font;                 // Font
	HFONT m_hFontPrev;                  // Previously selected font object
	short m_sAppearance;                // Appearance
	short m_sBorderStyle;               // BorderStyle
	BOOL m_bEnabled;                    // Enabled
	long m_lReadyState;                 // ReadyState

	// UI Active info (shared OLE menu data)
	_AFXCTL_UIACTIVE_INFO* m_pUIActiveInfo;

	// Default Handler aggregation
	LPUNKNOWN m_pDefIUnknown;
	_AFXCTL_ADVISE_INFO* m_pAdviseInfo;
	LPPERSISTSTORAGE m_pDefIPersistStorage;
	LPVIEWOBJECT m_pDefIViewObject;
	LPOLECACHE m_pDefIOleCache;

	// OLE client site interfaces
	LPOLECLIENTSITE m_pClientSite;          // Client site
	union
	{
		LPOLEINPLACESITE m_pInPlaceSite;    // In-place site
		LPOLEINPLACESITEEX m_pInPlaceSiteEx;
		LPOLEINPLACESITEWINDOWLESS m_pInPlaceSiteWndless;
	};
	LPOLECONTROLSITE m_pControlSite;        // Control site
	LPOLEADVISEHOLDER m_pOleAdviseHolder;   // Advise holder
	LPDATAADVISEHOLDER m_pDataAdviseHolder; // Data advise holder
	LPSIMPLEFRAMESITE m_pSimpleFrameSite;   // Simple frame site

	// OLE in-place activation info
	LPOLEINPLACEFRAME m_pInPlaceFrame;
	OLEINPLACEFRAMEINFO m_frameInfo;
	LPOLEINPLACEUIWINDOW m_pInPlaceDoc;

	// OLE data source
	CControlDataSource* m_pDataSource;

	// OLE data path load data
	BOOL m_bDataPathPropertiesLoaded;
	DWORD m_dwDataPathVersionToReport;

// Message Maps
protected:
	//{{AFX_MSG(COleControl)
	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnMButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnMButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnMButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnRButtonDblClk(UINT nFlags, CPoint point);
	afx_msg void OnInitMenuPopup(CMenu*, UINT, BOOL);
	afx_msg void OnMenuSelect(UINT nItemID, UINT nFlags, HMENU hSysMenu);
	afx_msg LRESULT OnSetMessageString(WPARAM wParam, LPARAM lParam);
	afx_msg void OnEnterIdle(UINT nWhy, CWnd* pWho);
	afx_msg void OnCancelMode();
	afx_msg void OnPaint(CDC* pDC);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnSysKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnSysKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg int  OnMouseActivate(CWnd *pDesktopWnd, UINT nHitTest, UINT message);
	afx_msg LRESULT OnSetText(WPARAM wParam, LPARAM lParam);
	afx_msg BOOL OnNcCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnDestroy();
	afx_msg  void OnKillFocus(CWnd* pNewWnd);
	afx_msg void OnSetFocus(CWnd* pOldWnd);
	afx_msg void OnNcPaint();
	afx_msg void OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS* lpncsp);
	afx_msg UINT OnNcHitTest(CPoint point);
	afx_msg void OnNcLButtonDown(UINT nHitTest, CPoint point);
	afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);
	afx_msg UINT OnGetDlgCode();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnMove(int x, int y);
	afx_msg void OnShowWindow(BOOL bShow, UINT nStatus);
	//}}AFX_MSG

	afx_msg LRESULT OnOcmCtlColorBtn(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorDlg(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorEdit(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorListBox(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorMsgBox(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorScrollBar(WPARAM wParam, LPARAM lParam);
	afx_msg LRESULT OnOcmCtlColorStatic(WPARAM wParam, LPARAM lParam);

	DECLARE_MESSAGE_MAP()

	// button handler helpers
	void OnButtonUp(USHORT nButton, UINT nFlags, CPoint point);
	void OnButtonDown(USHORT nButton, UINT nFlags, CPoint point);
	void OnButtonDblClk(USHORT nButton, UINT nFlags, CPoint point);

// Interface Maps
public:
	// IPersistStorage
	BEGIN_INTERFACE_PART(PersistStorage, IPersistStorage)
		INIT_INTERFACE_PART(COleControl, PersistStorage)
		STDMETHOD(GetClassID)(LPCLSID);
		STDMETHOD(IsDirty)();
		STDMETHOD(InitNew)(LPSTORAGE);
		STDMETHOD(Load)(LPSTORAGE);
		STDMETHOD(Save)(LPSTORAGE, BOOL);
		STDMETHOD(SaveCompleted)(LPSTORAGE);
		STDMETHOD(HandsOffStorage)();
	END_INTERFACE_PART_STATIC(PersistStorage)

	// IPersistStreamInit
	BEGIN_INTERFACE_PART(PersistStreamInit, IPersistStreamInit)
		INIT_INTERFACE_PART(COleControl, PersistStreamInit)
		STDMETHOD(GetClassID)(LPCLSID);
		STDMETHOD(IsDirty)();
		STDMETHOD(Load)(LPSTREAM);
		STDMETHOD(Save)(LPSTREAM, BOOL);
		STDMETHOD(GetSizeMax)(ULARGE_INTEGER *);
		STDMETHOD(InitNew)();
	END_INTERFACE_PART_STATIC(PersistStreamInit)

	// IPersistMemory
	BEGIN_INTERFACE_PART(PersistMemory, IPersistMemory)
		INIT_INTERFACE_PART(COleControl, PersistMemory)
		STDMETHOD(GetClassID)(LPCLSID);
		STDMETHOD(IsDirty)();
		STDMETHOD(Load)(LPVOID, ULONG);
		STDMETHOD(Save)(LPVOID, BOOL, ULONG);
		STDMETHOD(GetSizeMax)(ULONG*);
		STDMETHOD(InitNew)();
	END_INTERFACE_PART_STATIC(PersistMemory)

	// IPersistPropertyBag
	BEGIN_INTERFACE_PART(PersistPropertyBag, IPersistPropertyBag)
		INIT_INTERFACE_PART(COleControl, PersistPropertyBag)
		STDMETHOD(GetClassID)(LPCLSID);
		STDMETHOD(InitNew)();
		STDMETHOD(Load)(LPPROPERTYBAG, LPERRORLOG);
		STDMETHOD(Save)(LPPROPERTYBAG, BOOL, BOOL);
	END_INTERFACE_PART_STATIC(PersistPropertyBag)

	// IOleObject
	BEGIN_INTERFACE_PART(OleObject, IOleObject)
		INIT_INTERFACE_PART(COleControl, OleObject)
		STDMETHOD(SetClientSite)(LPOLECLIENTSITE);
		STDMETHOD(GetClientSite)(LPOLECLIENTSITE*);
		STDMETHOD(SetHostNames)(LPCOLESTR, LPCOLESTR);
		STDMETHOD(Close)(DWORD);
		STDMETHOD(SetMoniker)(DWORD, LPMONIKER);
		STDMETHOD(GetMoniker)(DWORD, DWORD, LPMONIKER*);
		STDMETHOD(InitFromData)(LPDATAOBJECT, BOOL, DWORD);
		STDMETHOD(GetClipboardData)(DWORD, LPDATAOBJECT*);
		STDMETHOD(DoVerb)(LONG, LPMSG, LPOLECLIENTSITE, LONG, HWND, LPCRECT);