ccrystaltextview.h

一个完整的编辑器的代码（很值得参考

    void SetDisableDragAndDrop (BOOL bDDAD);

	//BEGIN SW
	BOOL GetWordWrapping() const;
	void SetWordWrapping( BOOL bWordWrap );

	/**
	Sets the Parser to use to parse the file.

	@param pParser Pointer to parser to use. Set to NULL to use no parser.

	@return Pointer to parser used before or NULL, if no parser has been used before.
	*/
	CCrystalParser *SetParser( CCrystalParser *pParser );
	//END SW

    //  Default handle to resources
    static HINSTANCE s_hResourceInst;

    int m_nLastFindWhatLen;
    RxNode *m_rxnode;
    RxMatchRes m_rxmatch;
    LPTSTR m_pszMatched;
    static LOGFONT m_LogFont;

    typedef enum
    {
      SRC_PLAIN,
      SRC_ASP,
      SRC_BASIC,
      SRC_BATCH,
      SRC_C,
      SRC_DCL,
      SRC_FORTRAN,
      SRC_HTML,
      SRC_INSTALLSHIELD,
      SRC_JAVA,
      SRC_LISP,
      SRC_PASCAL,
      SRC_PERL,
      SRC_PHP,
      SRC_PYTHON,
      SRC_REXX,
      SRC_RSRC,
      SRC_SGML,
      SRC_SH,
      SRC_SIOD,
      SRC_SQL,
      SRC_TCL,
      SRC_TEX
    }
    TextType;

    struct TextDefinition
      {
        TextType type;
        TCHAR name[256];
        TCHAR exts[256];
        DWORD (CCrystalTextView:: * ParseLineX) (DWORD dwCookie, int nLineIndex, TEXTBLOCK * pBuf, int &nActualItems);
        DWORD flags;
        DWORD tabsize;
        TCHAR opencomment[8];
        TCHAR closecomment[8];
        TCHAR commentline[8];
        DWORD encoding;
      };
      
#define SRCOPT_INSERTTABS 1
#define SRCOPT_SHOWTABS 2
#define SRCOPT_BSATBOL 4
#define SRCOPT_SELMARGIN 8
#define SRCOPT_AUTOINDENT 16
#define SRCOPT_BRACEANSI 32
#define SRCOPT_BRACEGNU 64
#define SRCOPT_EOLNDOS 128
#define SRCOPT_EOLNUNIX 256
#define SRCOPT_EOLNMAC 512
#define SRCOPT_FNBRACE 1024
#define SRCOPT_WORDWRAP 2048

    //  Source type
    TextDefinition *m_CurSourceDef;
    static TextDefinition m_SourceDefs[];
    bool m_bRememberLastPos;
    virtual bool DoSetTextType (TextDefinition *def);
    static TextDefinition *GetTextType (LPCTSTR pszExt);
    virtual bool SetTextType (LPCTSTR pszExt);
    virtual bool SetTextType (CCrystalTextView::TextType enuType);
    virtual bool SetTextType (CCrystalTextView::TextDefinition *def);
    static void LoadSettings ();
    static void SaveSettings ();

    enum
    {
      //  Base colors
      COLORINDEX_WHITESPACE,
      COLORINDEX_BKGND,
      COLORINDEX_NORMALTEXT,
      COLORINDEX_SELMARGIN,
      COLORINDEX_SELBKGND,
      COLORINDEX_SELTEXT,
      //  Syntax colors
      COLORINDEX_KEYWORD,
      COLORINDEX_FUNCNAME,
      COLORINDEX_COMMENT,
      COLORINDEX_NUMBER,
      COLORINDEX_OPERATOR,      // [JRT]:
      COLORINDEX_STRING,
      COLORINDEX_PREPROCESSOR,
      COLORINDEX_USER1,
      COLORINDEX_USER2,
      //  Compiler/debugger colors
      COLORINDEX_ERRORBKGND,
      COLORINDEX_ERRORTEXT,
      COLORINDEX_EXECUTIONBKGND,
      COLORINDEX_EXECUTIONTEXT,
      COLORINDEX_BREAKPOINTBKGND,
      COLORINDEX_BREAKPOINTTEXT
      //  ...
      //  Expandable: custom elements are allowed.
    };

    // Operations
public :
    void AttachToBuffer (CCrystalTextBuffer * pBuf = NULL);
    void DetachFromBuffer ();

    //  Buffer-view interaction, multiple views
    virtual CCrystalTextBuffer *LocateTextBuffer ();
    virtual void UpdateView (CCrystalTextView * pSource, CUpdateContext * pContext, DWORD dwFlags, int nLineIndex = -1);

    //  Attributes
    CPoint GetCursorPos ();
    void SetCursorPos (const CPoint & ptCursorPos);
    void ShowCursor ();
    void HideCursor ();
    void PopCursor ();
    void PushCursor ();

    //  Operations
    void EnsureVisible (CPoint pt);

    //  Text search helpers
    BOOL FindText (LPCTSTR pszText, const CPoint & ptStartPos, DWORD dwFlags, BOOL bWrapSearch, CPoint * pptFoundPos);
    BOOL FindTextInBlock (LPCTSTR pszText, const CPoint & ptStartPos, const CPoint & ptBlockBegin, const CPoint & ptBlockEnd,
                          DWORD dwFlags, BOOL bWrapSearch, CPoint * pptFoundPos);
    BOOL HighlightText (const CPoint & ptStartPos, int nLength, BOOL bReverse = FALSE);

    //  Overridable: an opportunity for Auto-Indent, Smart-Indent etc.
    virtual void OnEditOperation (int nAction, LPCTSTR pszText);

    // Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CCrystalTextView)
public :
    virtual void OnDraw (CDC * pDC);  // overridden to draw this view

    virtual BOOL PreCreateWindow (CREATESTRUCT & cs);
    virtual BOOL PreTranslateMessage (MSG * pMsg);
    virtual void OnPrepareDC (CDC * pDC, CPrintInfo * pInfo = NULL);
    virtual BOOL OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO *pHandlerInfo);
protected :
    virtual void OnInitialUpdate ();  // called first time after construct

    virtual BOOL OnPreparePrinting (CPrintInfo * pInfo);
    virtual void OnBeginPrinting (CDC * pDC, CPrintInfo * pInfo);
    virtual void OnEndPrinting (CDC * pDC, CPrintInfo * pInfo);
    virtual void OnPrint (CDC * pDC, CPrintInfo * pInfo);
    //}}AFX_VIRTUAL

    // Implementation
public :
    CCrystalTextView ();
    ~CCrystalTextView ();

protected :

    // Generated message map functions
protected :
#ifdef _DEBUG
    void AssertValidTextPos (const CPoint & pt);
#endif

    //{{AFX_MSG(CCrystalTextView)
    afx_msg void OnDestroy ();
    afx_msg BOOL OnEraseBkgnd (CDC * pDC);
    afx_msg void OnSize (UINT nType, int cx, int cy);
    afx_msg void OnVScroll (UINT nSBCode, UINT nPos, CScrollBar * pScrollBar);
    afx_msg BOOL OnSetCursor (CWnd * pWnd, UINT nHitTest, UINT message);
    afx_msg void OnLButtonDown (UINT nFlags, CPoint point);
    afx_msg void OnSetFocus (CWnd * pOldWnd);
    afx_msg void OnHScroll (UINT nSBCode, UINT nPos, CScrollBar * pScrollBar);
    afx_msg void OnLButtonUp (UINT nFlags, CPoint point);
    afx_msg void OnMouseMove (UINT nFlags, CPoint point);
    afx_msg void OnTimer (UINT nIDEvent);
    afx_msg void OnKillFocus (CWnd * pNewWnd);
    afx_msg void OnLButtonDblClk (UINT nFlags, CPoint point);
    afx_msg void OnEditCopy ();
    afx_msg void OnUpdateEditCopy (CCmdUI * pCmdUI);
    afx_msg void OnEditSelectAll ();
    afx_msg void OnUpdateEditSelectAll (CCmdUI * pCmdUI);
    afx_msg void OnRButtonDown (UINT nFlags, CPoint point);
    afx_msg void OnSysColorChange ();
    afx_msg int OnCreate (LPCREATESTRUCT lpCreateStruct);
    afx_msg void OnEditFind ();
    afx_msg void OnEditRepeat ();
    afx_msg void OnUpdateEditRepeat (CCmdUI * pCmdUI);
    afx_msg void OnEditFindPrevious ();   // More search
    afx_msg void OnEditDeleteBack();
    afx_msg void OnChar( UINT nChar, UINT nRepCnt, UINT nFlags );

    afx_msg void OnUpdateEditFindPrevious (CCmdUI * pCmdUI);
    afx_msg BOOL OnMouseWheel (UINT nFlags, short zDelta, CPoint pt);
    //}}AFX_MSG
    afx_msg void OnFilePageSetup ();

    afx_msg void OnCharLeft ();
    afx_msg void OnExtCharLeft ();
    afx_msg void OnCharRight ();
    afx_msg void OnExtCharRight ();
    afx_msg void OnWordLeft ();
    afx_msg void OnExtWordLeft ();
    afx_msg void OnWordRight ();
    afx_msg void OnExtWordRight ();
    afx_msg void OnLineUp ();
    afx_msg void OnExtLineUp ();
    afx_msg void OnLineDown ();
    afx_msg void OnExtLineDown ();
    afx_msg void OnPageUp ();
    afx_msg void OnExtPageUp ();
    afx_msg void OnPageDown ();
    afx_msg void OnExtPageDown ();
    afx_msg void OnLineEnd ();
    afx_msg void OnExtLineEnd ();
    afx_msg void OnHome ();
    afx_msg void OnExtHome ();
    afx_msg void OnTextBegin ();
    afx_msg void OnExtTextBegin ();
    afx_msg void OnTextEnd ();
    afx_msg void OnExtTextEnd ();
    afx_msg void OnUpdateIndicatorCRLF (CCmdUI * pCmdUI);
    afx_msg void OnUpdateIndicatorPosition (CCmdUI * pCmdUI);
    afx_msg void OnToggleBookmark (UINT nCmdID);
    afx_msg void OnGoBookmark (UINT nCmdID);
    afx_msg void OnClearBookmarks ();

    afx_msg void OnToggleBookmark ();     // More bookmarks

    afx_msg void OnClearAllBookmarks ();
    afx_msg void OnNextBookmark ();
    afx_msg void OnPrevBookmark ();
    afx_msg void OnUpdateClearAllBookmarks (CCmdUI * pCmdUI);
    afx_msg void OnUpdateNextBookmark (CCmdUI * pCmdUI);
    afx_msg void OnUpdatePrevBookmark (CCmdUI * pCmdUI);

    afx_msg void ScrollUp ();
    afx_msg void ScrollDown ();
    afx_msg void ScrollLeft ();
    afx_msg void ScrollRight ();

    afx_msg void OnSourceType (UINT nId);
    afx_msg void OnUpdateSourceType (CCmdUI * pCmdUI);
    afx_msg void OnMatchBrace ();
    afx_msg void OnUpdateMatchBrace (CCmdUI * pCmdUI);
    afx_msg void OnEditGoTo ();
    afx_msg void OnUpdateToggleSourceHeader (CCmdUI * pCmdUI);
    afx_msg void OnToggleSourceHeader ();
    afx_msg void OnUpdateSelMargin (CCmdUI * pCmdUI);
    afx_msg void OnSelMargin ();
    afx_msg void OnUpdateWordWrap (CCmdUI * pCmdUI);
    afx_msg void OnWordWrap ();
    afx_msg void OnForceRedraw ();

	//BEGIN SW
	// incremental search
	afx_msg void OnEditFindIncrementalForward();
	afx_msg void OnEditFindIncrementalBackward();
	afx_msg void OnUpdateEditFindIncrementalForward(CCmdUI* pCmdUI);
	afx_msg void OnUpdateEditFindIncrementalBackward(CCmdUI* pCmdUI);
	//END SW

    DECLARE_MESSAGE_MAP ()
  };

#ifdef _DEBUG
#define ASSERT_VALIDTEXTPOS(pt)     AssertValidTextPos(pt);
#else
#define ASSERT_VALIDTEXTPOS(pt)
#endif

#if ! (defined(CE_FROM_DLL) || defined(CE_DLL_BUILD))
#include "ccrystaltextview.inl"
#endif

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Developer Studio will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_CCRYSTALTEXTVIEW_H__AD7F2F41_6CB3_11D2_8C32_0080ADB86836__INCLUDED_)