gshiedit.cpp

一种简单的股票软件源代码,编译后可以实时显示证券行情

// GShiEdit.cpp : implementation file
//

#include "stdafx.h"
#include "MyStock.h"
#include "GShiEdit.h"

#include "InstFunDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CGShiEdit dialog


CGShiEdit::CGShiEdit(CWnd* pParent /*=NULL*/)
	: CDialog(CGShiEdit::IDD, pParent)
{
	//{{AFX_DATA_INIT(CGShiEdit)
	m_passw = FALSE;
	//}}AFX_DATA_INIT
}


void CGShiEdit::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CGShiEdit)
	DDX_Control(pDX, IDC_EDIT2, m_edit2);
	DDX_Control(pDX, IDC_EDIT1, m_edit1);
	DDX_Control(pDX, IDC_RICHEDIT1, m_RichEdit);
	DDX_Check(pDX, IDC_CHECK1, m_passw);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CGShiEdit, CDialog)
	//{{AFX_MSG_MAP(CGShiEdit)
	ON_WM_SIZE()
	ON_WM_CREATE()
	ON_EN_CHANGE(IDC_RICHEDIT1, OnChangeRichedit)
	ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
	ON_BN_CLICKED(IDC_CHECK1, OnCheck1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGShiEdit message handlers

static CString/*LPCTSTR*/ szKeywords = " Program Const Var Procedure Function "//程序、函数
"DATE DAY HOUR MINUTE MONTH TIME WEEKDAY YEAR "//时间
"ABS BETWEEN CROSS LONGCROSS MAX MIN MOD NOT RANGE REVERSE SGN "//算术函数
"BACKSET BARSCOUNT BARSLAST BARSSINCE COUNT DMA EMA FILTER HHV HHVBARS LLV LLVBARS MA REF SMA SUM SUMBARS "//引用函数
"IF ISDOWN ISEQUAL ISUP "//逻辑函数
"ACOS ASIN ATAN CEILING COS EXP FLOOP INTPART LN LOG POW SIN SQRT TAN "//数学函数
"AVEDEV DEVSQ FORCAST SLOPE STD STDP VAR VARP "//统计函数
"COST PEAK PEAKBARS SAR SARTURN TROUGH TROUGHBARS WINNER ZIG "//指标函数
"OPEN HIGH LOW CLOSE O H L C AMOUNT VOL "//行情函数  
"Integer Real Char Array Record Begin End While Repeat For Case Print "
"Read If Until Then Else To DownTo Step Do "//语句
"And Mod Div Not Or ";//关系运算符

static LPCTSTR szConstants = " MAXINT ";

BOOL CGShiEdit::OnInitDialog() 
{
	CDialog::OnInitDialog();
	m_passw=true;
	if(m_passw)
	{
	m_edit2.SetReadOnly();
	}
	else
	{
		m_edit2.SetReadOnly(FALSE);
	}


	PARAFORMAT pf;//这个结构包含RichEdit的段落格式信息
pf.cbSize = sizeof(PARAFORMAT);
pf.dwMask = PFM_TABSTOPS ;//可以有几个值，中间用||连接
pf.cTabCount = MAX_TAB_STOPS; //
for( int itab = 0 ; itab < pf.cTabCount  ; itab++ )
		pf.rgxTabs[itab] = (itab + 1) * 1440/5 ;

m_RichEdit.SetParaFormat( pf );//设置段落格式化属性

CHARFORMAT cfDefault;//这个结构包含字符的格式化信息
cfDefault.cbSize = sizeof(cfDefault);
cfDefault.dwEffects = CFE_PROTECTED; 
cfDefault.dwMask = CFM_BOLD | CFM_FACE | CFM_SIZE | CFM_CHARSET | CFM_PROTECTED;
cfDefault.yHeight = 220;
cfDefault.bCharSet = /*0xEE*/ANSI_CHARSET; 
strcpy(cfDefault.szFaceName, _T("Courier New"));//设置字体的有关属性

m_RichEdit.SetDefaultCharFormat(cfDefault);//设置字体的格式化属性
//GetRichEditCtrl().SetEventMask(ENM_CHANGE | ENM_SELCHANGE | ENM_PROTECTED);//允许产生消息

   

m_chComment = 1;
	m_chComment = _T('/');
	m_chComment2 =_T('/');

	m_strComment=_T("rem");	


m_bCaseSensitive = FALSE;
m_bChangeCase = TRUE;

	//SetStringQuotes(_T("\""));
m_strStringQuotes = _T("\"");//转义序列，表示双引号
m_icKeyword.clrColor =RGB(0,0,255);
m_icKeyword.bBold = FALSE;
m_icNumber.clrColor = RGB(255,0,255);
m_icNumber.bBold = FALSE;
m_icComment.clrColor = RGB(0,128,0);
m_icComment.bBold =FALSE ;
m_icConstant.clrColor =RGB(0,0,0);
m_icConstant.bBold =TRUE;
m_icString.clrColor = RGB(255,128,255);
m_icString.bBold =FALSE ;

//	SetKeywordColor(RGB(0,0,255), FALSE);
//	SetConstantColor(RGB(0,0,0), TRUE);
//	SetCommentColor(RGB(0,128,0), FALSE);
//	SetNumberColor(RGB(255,0,255), FALSE);
//	SetStringColor(RGB(255,128,255), FALSE);
m_RichEdit.SetEventMask(ENM_CHANGE|ENM_SELCHANGE|ENM_PROTECTED);
	m_bInForcedChange = FALSE;
	//m_changeType = ctUndo;
	m_crOldSel.cpMin = m_crOldSel.cpMax = 0;
	m_strKeywords = m_strKeywords + szKeywords;
	int bbb=m_strKeywords.GetLength();
	m_strKeywordsLower = m_strKeywords;
	//if (!m_bCaseSensitive)
	m_strKeywordsLower.MakeLower();//变为小写
    int aaa=m_strKeywordsLower.GetLength();

	m_strConstants = m_strConstants + szConstants;
    m_strConstantsLower = m_strConstants;//m_strConstants和m_strConstantsLower都是字符串变量
    //if (!m_bCaseSensitive)//m_bCaseSensitive是布尔型变量
	m_strConstantsLower.MakeLower();//变为小写

	
//m_RichEdit.SetWindowText(m_strKeywordsLower);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
	

}

void CGShiEdit::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	
	/*	if(m_isFirst==FALSE)
	{
		RECT rect;
	m_RichEdit.GetWindowRect(&rect);
	rect.bottom=cy;
	rect.right=cx;
	m_RichEdit.SetWindowPos(NULL,1,197,rect.right,rect.bottom,NULL);
	}
	m_isFirst=FALSE;*/
	CRect rect;
	if (m_RichEdit.GetSafeHwnd())
	{
		GetClientRect(&rect);
		rect.top += 195;
		rect.DeflateRect(0,0);
		m_RichEdit.MoveWindow(rect);
	}
	
}

int CGShiEdit::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	m_isFirst=TRUE;
	
	return 0;
}

void CGShiEdit::OnChangeRichedit() 
{
	//if (m_bInForcedChange)
	//	return;

	CHARRANGE crCurSel; //这个结构指定一个字串的范围
m_RichEdit.GetSel(crCurSel);//得到控键中当前行中字符串的范围

//	switch(m_changeType)
//	{
//	case ctUndo:   // old=(?,?) -> cur=(x,y)
		//MessageBox("Undo");
		FormatTextLines(crCurSel.cpMin, crCurSel.cpMax);//其实一直就运行这一句，其他case没有编//撤销
		//格式化当前行
//		break;
//	default:
	//	FormatAll();
//		FormatTextRange(0, GetTextLength());//调用函数
//		break;
//	}

	//undo action does not call OnProtected, so make it default
	//m_changeType = ctUndo;
	
}

void CGShiEdit::FormatTextLines(int nLineStart, int nLineEnd)
{
long nStart = m_RichEdit.LineIndex(m_RichEdit.LineFromChar(nLineStart));
long nEnd = m_RichEdit.LineIndex(m_RichEdit.LineFromChar(nLineEnd));
	nEnd += m_RichEdit.LineLength(nLineEnd);

FormatTextRange(nStart, nEnd);//格式化当前行，看不出闪烁
//FormatTextRange(0, GetTextLength());//格式化全部，会有更新时的闪烁

//都是从头至尾对每个字符处理
}


void CGShiEdit::FormatTextRange(int nStart, int nEnd)
{
if (nStart >= nEnd)
		return;

	m_bInForcedChange = TRUE;
	CHARRANGE crOldSel;//这个结构指定一个Richedit中的字符串的范围
	m_RichEdit.GetSel(crOldSel);//返回范围
	m_RichEdit.LockWindowUpdate();//锁窗口
	m_RichEdit.HideSelection(TRUE, FALSE);//隐藏选择
	//参数1表示隐藏或显示
	//参数2表示这个改变是否是永久性的

	TCHAR *pBuffer = NULL;//定义一个字符缓冲区的指针
	try //异常捕获
	{
		m_RichEdit.SetSel(nStart, nEnd);//设置选择范围
		pBuffer = new TCHAR[nEnd - nStart + 1];//创建缓冲区
		long nLen = m_RichEdit.GetSelText(pBuffer);//拷贝一个副本到缓冲区，但不包括终止符
                    //返回值是拷贝的大小--缓冲区的大小
		ASSERT(nLen <= nEnd - nStart);

		pBuffer[nLen] = 0;//填加终止符

		TCHAR *pStart, *pPtr;//定义指针
		pStart = pPtr = pBuffer;//都指向缓冲区的首地址

		TCHAR* pSymbolStart = NULL;//定义指针
		SymbolColor ic;//颜色结构变量

		while (*pPtr != 0)//从pBuffer的开始一直到尾
		{
			TCHAR ch = *pPtr;//因为pPtr开始是指向首地址的
			//所以ch第一次等于第一个字符
            
			if (ch == m_chComment && (m_chComment2 == 0 || pPtr[1] == m_chComment2))
            //如果ch='/'或者第二个字符='/'-------表示这一行是注释
			{
				pSymbolStart = pPtr;//保存开始地址
				do
				{
					ch = *(++pPtr);//赋值没有什么意义，主要是把指针移到最后(得到尾地址)
				}
				while (ch != 0 && ch != '\r');
				ic = m_icComment;
			} 
			else if (IsStringQuote(ch))
			{ // Process strings
				pSymbolStart = pPtr;
				TCHAR ch1 = ch;
				do
				{
					ch = *(++pPtr);
				}
				while (ch != 0 && ch != ch1 && ch != '\r');
				if (ch == ch1) pPtr++;
				ic = m_icString;
			} 
			else if (_istdigit(ch))//_istdigit返回一个十进制的阿拉伯数字
			{ // Process numbers
				pSymbolStart = pPtr;
				_tcstod(pSymbolStart, &pPtr);//_tcstod（）把字符串转变为double型
				//这一句使pPtr增加了1,因为转换完成后，函数使pPtr自动指向下一位置
				//所以要明白_tcstod()函数
				ic = m_icNumber;
			
				
			}
			else if (_istalpha(ch) || ch == '_')//_istalpha（）把文字字符转变为int型数字
			{ // Process keywords
				pSymbolStart = pPtr;
				do
				{
					ch = *(++pPtr);
				} 
				while (_istalnum(ch) || ch == '_');//_istalnum（）把文字数字转变为数字
				*pPtr = 0;
				int cccj=IsKeyword("sum");
				int nPos = IsKeyword(pSymbolStart);
				if (nPos >= 0) 
				{
					ChangeCase(nStart + pSymbolStart - pBuffer, nStart + pPtr - pBuffer, 
								m_strKeywords.Mid(nPos+1, pPtr - pSymbolStart));
					if (_tcsicmp(m_strComment, pSymbolStart) == 0)//_tcsicmp（）完成小写字母的比较
					{
						*pPtr = ch;
						*pSymbolStart = m_chComment;
						if (pSymbolStart[1] != 0 && m_chComment2 != 0)
							pSymbolStart[1] = m_chComment2;
						pPtr = pSymbolStart;
						pSymbolStart = NULL;
						continue;
					}
					ic = m_icKeyword;
				}
				else 
				{
					nPos = IsConstant(pSymbolStart);
					if (nPos >= 0) 
					{
						ChangeCase(nStart + pSymbolStart - pBuffer, nStart + pPtr - pBuffer, 
									m_strConstants.Mid(nPos+1, pPtr - pSymbolStart));
						ic = m_icConstant;
					}
					else 
					{
						pSymbolStart = NULL;
					}
				}
				*pPtr = ch;
			}
			else 
			{
				pPtr++;
			}

			if (pSymbolStart != NULL)
			{
				ASSERT(pSymbolStart < pPtr);
				//SetFormatRange(nStart + pStart - pBuffer, nStart + pSymbolStart - pBuffer, FALSE, RGB(0,0,0));
				SetFormatRange(nStart + pSymbolStart - pBuffer, nStart + pPtr - pBuffer, ic.bBold, ic.clrColor);
				//SetFormatRange(nStart,nEnd, ic.bBold, ic.clrColor);
				pStart = pPtr;
				pSymbolStart = 0;
			}
			else if (*pPtr == 0)
				SetFormatRange(nStart + pStart - pBuffer, nStart + pPtr - pBuffer, FALSE, RGB(0,0,0));
		}//while完

	}//try完
	catch(...){}//例外处理

	delete [] pBuffer;

	m_RichEdit.SetSel(crOldSel);
	m_RichEdit.HideSelection(FALSE, FALSE);
	m_RichEdit.UnlockWindowUpdate();//开锁窗口
	m_bInForcedChange = FALSE;
}

int CGShiEdit::IsKeyword(LPCTSTR lpszSymbol)
{

	CString strSymbol;
    strSymbol.Format(" %s ", lpszSymbol);
	//if (!m_bCaseSensitive) //如果不是光标位置
		strSymbol.MakeLower();//转换为小写
				
   return m_strKeywordsLower.Find(strSymbol,0);//如果返回-1表示没找到
//   return 0;
}

BOOL CGShiEdit::IsStringQuote(TCHAR ch)
{
		//如果是字符引用
	return (m_strStringQuotes.Find(ch) >= 0);

}

void CGShiEdit::ChangeCase(int nStart, int nEnd, LPCTSTR lpsz)
{
	ASSERT((nEnd - nStart) == (int)_tcslen(lpsz));

	if (!m_bCaseSensitive && m_bChangeCase)
	{
		m_RichEdit.SetSel(nStart, nEnd);//获得选择内容nStart是开始位置，nEnd是结束位置
		m_RichEdit.ReplaceSel(lpsz);//用lpsz替换获得的选择内容
	}

}

int CGShiEdit::IsConstant(LPCTSTR lpszSymbol)
{
	CString strSymbol;
	strSymbol.Format(" %s ", lpszSymbol);
	if (!m_bCaseSensitive) 
		strSymbol.MakeLower();
				
	return m_strConstantsLower.Find(strSymbol);

}

void CGShiEdit::SetFormatRange(int nStart, int nEnd, BOOL bBold, COLORREF clr)
{
		//格式化一个区域，nStart--开始位置，nEnd--结尾位置，
	//bBoid--
if (nStart >= nEnd)
		return;

	m_RichEdit.SetSel(nStart, nEnd);

	DWORD dwEffects =(bBold?CFE_BOLD:0);//三目运算，CFE_BOLD是粗体
    //这一句表示bBold是真，括号内得值就是CFF_BOLD,否则是0
	//也就是bBold是真,dwEffects就是粗体，否则不是粗体
	CHARFORMAT cfm;//字符格式的结构
	cfm.cbSize = sizeof(cfm);
    m_RichEdit.GetSelectionCharFormat(cfm);
	
	if ((cfm.dwMask & CFM_COLOR)  && cfm.crTextColor == clr && 
		(cfm.dwMask & CFM_BOLD) && (cfm.dwEffects & CFE_BOLD) == dwEffects)
		return;

	cfm.dwEffects = dwEffects;//字体风格 如：粗体、斜体、下画线等
	cfm.crTextColor = clr;//设置字符颜色
	cfm.dwMask = CFM_BOLD | CFM_COLOR;//粗体、颜色属性有效

	m_RichEdit.SetSelectionCharFormat(cfm);//把字符属性给选择的字符

}

void CGShiEdit::OnButton7() 
{
CHARRANGE cr;
m_RichEdit.GetSel(cr);
int kk=cr.cpMax;
CString stra,str1,str2;
m_RichEdit.GetWindowText(stra);

int tol=strlen(stra);
str1=stra.Left(kk);
str2=stra.Right(tol-kk);

CInstFunDlg dlg;
if(dlg.DoModal()==IDOK)
{
	CString str=dlg.str;//然后可以插入str
	str1=str1+str;
	int len=strlen(str1);
	cr.cpMax=len;
	cr.cpMin=len;


str1=str1+str2;
int msg=AfxMessageBox(str,/*MB_OKCANCEL*/MB_YESNO|MB_ICONINFORMATION);
if(msg==IDYES) m_RichEdit.SetWindowText(str1);
m_RichEdit.SetSel(cr);
m_RichEdit.SetFocus();

}
}

void CGShiEdit::OnCheck1() 
{
	m_passw=!m_passw;
	if(m_passw)
	{
		m_edit2.SetReadOnly();
	}
	else
	{
		m_edit2.SetReadOnly(FALSE);
	}



	
}