syneditview.h

VC++设计语法编辑器

///////////////////////////////////////////////////////////////////////////
//	文件:		SynEditView.h
//	版本:		1.0.0.1
//	创建	:	2002年1月23日
//
//	作者:		郑旭
//  Website:	http://www.easysrc.com
//	E-mail:		[e-mail]
//
//	CSynEditView语法编辑视接口
//
//	你可以自由使用或是改变CSynEditView的代码以适应你的需要，
//	但是请保留这段文字。
////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_SYNEDITVIEW_H__A9D39C50_1DC1_40DB_80F7_ACCD8988A157__INCLUDED_)
#define AFX_SYNEDITVIEW_H__A9D39C50_1DC1_40DB_80F7_ACCD8988A157__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

//颜色索引
enum {
	COLORINDEX_COMMENT,
	COLORINDEX_SYNTAX,
	COLORINDEX_NORMAL,
	COLORINDEX_NUMBER,
	COLORINDEX_STRING,
	COLORINDEX_CHAR,
	COLORINDEX_BK,
};

//语言
enum {
	_CPP,
	_BASIC,
 	NONE,
};


class CSynEditView : public CRichEditView
{
	struct COLORINFO {
		int Pos;
		int Color;
	};

	protected: // create from serialization only
	CSynEditView();
	DECLARE_DYNCREATE(CSynEditView)

// Attributes
public:

// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CSynEditView)
	public:
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	protected:
	virtual void OnInitialUpdate(); // called first time after construct
	virtual BOOL OnPreparePrinting(CPrintInfo* pInfo);
	virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
	//}}AFX_VIRTUAL

// Implementation
public:
	//接口，其它如语法解析相关、字体、颜色属性等接口请自行设定
	int GetCurLanguage();
	void SelectLanguage(int nLanguage);
	void LoadText(CString &strText); 
	void LoadFile(CString strFile);
	void SetWrapMode(int nWrapMode);

	virtual ~CSynEditView();
#ifdef _DEBUG
	virtual void AssertValid() const;
	virtual void Dump(CDumpContext& dc) const;
#endif

protected:

// Generated message map functions
protected:
	//{{AFX_MSG(CSynEditView)
	afx_msg int OnCreate( LPCREATESTRUCT lpCreateStruct );
	afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()

private:
	static DWORD CALLBACK EditStreamCallbackReadFromFile(DWORD dwCookie, LPBYTE pbBuff, LONG cb, LONG *pcb);
	void SetSynEditViewMargin(int nLeftMargin, int nTopMargin);
	BOOL IsNumber(CString &strReadyToTest);
	BOOL IsSynWord(CString &strReadyToTest);
	void LoadSynWord(INT nLanguage);

	DWORD ParseLine(DWORD dwCookie, CString &strLine, COLORINFO *ColorInfo, int &nActualItems);
	DWORD ParseLineForCpp(DWORD dwCookie, CString &strLine, COLORINFO *ColorInfo, int &nActualItems);
	DWORD ParseLineForBasic(DWORD dwCookie, CString &strLine, COLORINFO *ColorInfo, int &nActualItems);

	void SetParseCookieZeroFromGivenLine(int nParseArraySize);

	void SetSynEditViewTabSize(int nSize);
	void SetSynEditViewFont(LOGFONT lf);
	BOOL GetLineString(int nLine, CString &strLine);
	COLORREF GetColor(int nColorIndex);
	BOOL IsSelectionInStr(int nFromHere, int nStrWidth, int nTop);
	void DrawSynEditView();
	void CalcHorzScrollPos();
	void JudgeInSeletioAndDrawText(CDC *cacheDC, CRect &rcLine, CString &str, COLORREF clrBkColor, COLORREF clrText);
	BOOL IsStrInSelection(int ptLeft, int ptTop);
	void CalcSelection();
	void ResetParseCookie();
	DWORD GetParseCookie(int nLineIndex);
	int GetCurrentLine();
	void DrawSingleLineColorText(CDC *cacheDC, int nLine, CRect rcLine);
	void SetSynCtrlTabSize(int nSize);
	void SetSynCtrlFont();
	void CalcEditorInfo();
	int GetLinesTop(int nline);

	CStringArray m_strArrayKeyWords;	//保存当前语言的关键字数组
	int m_nLanguage;			//当前编程语言
	int m_nLineCount;			//正在编辑的文本总行数
	BOOL m_bTracking;			//水平滚动是否正在被拖动
	CPoint m_ptSelEnd;			//选择区域尾位置
	CPoint m_ptSelStart;		//选择区域首位置
	int m_nCharTabWidth;		//Tab宽度，以Point表示
	int m_nCharSpaceWidth;		//空格宽度，以Point表示
	BOOL m_bRealReturn;			//指示一行是否为硬回车
	BOOL m_bAllowDraw;			//指示是否允许重画视，为加快拖动速度而设的参数
	int m_nCurrentLine;			//取当前光标所在行
	int m_nParseArraySize;		//已解析的行数
	int m_nHorzPos;				//水平滚动条位置

	DWORD *m_pdwParseCookies;	//装入每行的解析结果
	CBitmap *m_pCacheBitmap;	//内存缓冲画布

	CFont m_font;	//RichEditCtrl字体
	LOGFONT m_lf;	//语法编辑视字体

	int m_nCharNumberWidth;		//数字宽度
	int m_nLineHeight;			//行高
	int m_nTabSize;				//Tab宽度，以空格数表示
	int m_nLeftMargin;			//客户区左边距
	int m_nTopMargin;			//客户区顶边距
	CRect m_rcClient;			//SynEditView的客户区

	//颜色值
	COLORREF m_clrBkColor; //背景色
	COLORREF m_clrCommentColor; //注释色
	COLORREF m_clrSyntaxColor; //语法色
	COLORREF m_clrNormalColor; //正常色	
	COLORREF m_clrStringColor; //字符串色
	COLORREF m_clrCharColor; //字符常量色
	COLORREF m_clrNumberColor; //数字色
	COLORREF m_clrBKSelText; //选择区域背景色
};

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

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SYNEDITVIEW_H__A9D39C50_1DC1_40DB_80F7_ACCD8988A157__INCLUDED_)