myrichctrl.cpp

一个类c语言的解释器

// MyRichCtrl.cpp : implementation file
//

#include "stdafx.h"
#include "cmmg.h"
#include "MyRichCtrl.h"

#define ID_EDIT_SELECTALL 6000
// CMyRichCtrl

IMPLEMENT_DYNAMIC(CMyRichCtrl, CRichEditCtrl)

CMyRichCtrl::CMyRichCtrl()
{
	//pThread =  AfxBeginThread(ThreadFunc,this,THREAD_PRIORITY_LOWEST);
}

CMyRichCtrl::~CMyRichCtrl()
{
}


BEGIN_MESSAGE_MAP(CMyRichCtrl, CRichEditCtrl)
	ON_WM_RBUTTONDOWN()
	ON_COMMAND(ID_EDIT_COPY, OnCopy)
	ON_COMMAND(ID_EDIT_CUT, OnCut)
	ON_COMMAND(ID_EDIT_PASTE, OnPaste)
	ON_COMMAND(ID_EDIT_SELECTALL, OnSelectall)
	ON_COMMAND(ID_EDIT_UNDO, OnUndo)
	//ON_WM_CHAR()
END_MESSAGE_MAP()



// CMyRichCtrl message handlers

void CMyRichCtrl::OnRButtonDown(UINT nFlags, CPoint point){
	
	//设置为焦点
	SetFocus();
	//创建一个弹出式菜单
	CMenu popmenu;
	popmenu.CreatePopupMenu();
	//添加菜单项目
	popmenu.AppendMenu(0, ID_EDIT_UNDO, TEXT("&Undo"));
	popmenu.AppendMenu(0, MF_SEPARATOR);
	popmenu.AppendMenu(0, ID_EDIT_CUT, TEXT("&Cut"));
	popmenu.AppendMenu(0, ID_EDIT_COPY, TEXT("C&opy"));
	popmenu.AppendMenu(0, ID_EDIT_PASTE, TEXT("&Paste"));
	popmenu.AppendMenu(0, MF_SEPARATOR);
	popmenu.AppendMenu(0, ID_EDIT_SELECTALL, TEXT("Select &All"));

	//初始化菜单项
	UINT nUndo=(CanUndo() ? 0 : MF_GRAYED );
	popmenu.EnableMenuItem(ID_EDIT_UNDO, MF_BYCOMMAND|nUndo);

	UINT nSel=((GetSelectionType()!=SEL_EMPTY) ? 0 : MF_GRAYED) ;
	popmenu.EnableMenuItem(ID_EDIT_CUT, MF_BYCOMMAND|nSel);
	popmenu.EnableMenuItem(ID_EDIT_COPY, MF_BYCOMMAND|nSel);

	UINT nPaste=(CanPaste() ? 0 : MF_GRAYED) ;
	popmenu.EnableMenuItem(ID_EDIT_PASTE, MF_BYCOMMAND|nPaste);

	//显示菜单
	CPoint pt;
	GetCursorPos(&pt);
	popmenu.TrackPopupMenu(TPM_RIGHTBUTTON, pt.x, pt.y, this);
	popmenu.DestroyMenu();
	CRichEditCtrl::OnRButtonDown(nFlags, point);
}

/*void CMyRichCtrl::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags){
	
	CRichEditCtrl::OnChar(nChar,nRepCnt,nFlags);
	long x,y;
	this->GetSel(x,y);
	cursorPos = x;
	this->modify = true;
	::ResumeThread(this->pThread->m_hThread);
	
}*/

/*UINT CMyRichCtrl::ThreadFunc(LPVOID p){
	CMyRichCtrl* pRich = (CMyRichCtrl*)p;
	while (true)
	{
		::Sleep(1000);
		Check(p);
		pRich->SetSel(pRich->cursorPos,pRich->cursorPos);
		pRich->pThread->SuspendThread();		
	}
	return 0;
}*/

/*void CMyRichCtrl::Check(LPVOID p){
	CString cstr;
	CMyRichCtrl* pRich = (CMyRichCtrl*)p;
	pRich->SetSel(0,-1);
	CHARFORMAT cf;
	pRich->GetDefaultCharFormat(cf);
	pRich->SetSelectionCharFormat(cf);
	pRich->GetWindowTextW(cstr);
	int start = 0, end = 0;
	int state = 0;
	int lineno = 0;
	int length = cstr.GetLength();
	while(true){
		if (end>=length&&state!=8)
		{
			return;
		}		
		char c = cstr.GetAt(end);
		if (c=='\n')
		{
			lineno++;
		}
		switch(state)
		{
			case 0:
				if (isalpha(c))
				{
					state = 1;
					start = end;
					break;
				}
				else if (c=='/')
				{
					start = end;
					state = 2;
					end++;
					break;
				}
				else if (isdigit(c))
				{
					state = 20;
					end++;
				}
				else
					end++;
				break;
			case 1:
				if (c=='i')
				{
					state = 6;
				}
				else if (c=='e')
				{
					state = 9;
				}
				else if (c=='w')
				{
					state = 12;
				}
				else if (c=='r')
				{
					state = 17;
				}
				else
					state = 20;
				end++;
				break;
			case 2:
				if (c=='*')
				{
					state = 3;
					end++;
					break;
				}
				else{
					state=0;
					end++;
					break;
				}
			case 3:
				if (c=='*')
				{
					state = 4;
					end++;
				}
				else{
					end++;
				}
				break;
			case 4:
				if (c=='*')
				{
					end++;
					state=4;
				}
				else if (c=='/')
				{
					state = 5;
					
				}
				else{
					end++;
					state = 3;
				}
				break;
			case 5:
				pRich->SetSel(start-lineno,end+1-lineno);
				CHARFORMAT cf;
				pRich->GetDefaultCharFormat(cf);
				cf.dwMask = CFM_COLOR;
				cf.dwEffects = ~CFE_AUTOCOLOR;
				cf.crTextColor = RGB(0,255,0);
				pRich->SetSelectionCharFormat(cf);
				end++;
				state = 0;
			case 6:
				if (c=='n')
				{
					state = 7;
				}
				else if (c=='f')
				{
					state = 8;
				}
				else if (isalpha(c)||isdigit(c))
					state = 20;
				else
					state = 0;
				end++;
				break;
			case 7:
				if (c=='t')
				{
					state=8;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 8:
				if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else{
					pRich->SetSel(start-lineno,end-lineno);
					CHARFORMAT cf;
					pRich->GetDefaultCharFormat(cf);
					cf.dwMask = CFM_COLOR;
					cf.dwEffects = ~CFE_AUTOCOLOR;
					cf.crTextColor = RGB(255,0,0);
					pRich->SetSelectionCharFormat(cf);
					state = 0;
				}
				break;
			case 9:
				if (c=='l')
				{
					state=10;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 10:
				if (c=='s')
				{
					state=11;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 11:
				if (c=='e')
				{
					state=8;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 12:
				if (c=='h')
				{
					state=13;
				}
				else if (c=='r')
				{
					state = 15;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 13:
				if (c=='i')
				{
					state=14;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 14:
				if (c=='l')
				{
					state=11;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 15:
				if (c=='i')
				{
					state=16;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 16:
				if (c=='t')
				{
					state=11;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 17:
				if (c=='r')
				{
					state=18;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 18:
				if (c=='a')
				{
					state=19;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 19:
				if (c=='d'||c=='l')
				{
					state=8;
				}
				else if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else
					state = 0;
				end++;
				break;
			case 20:
				if (isalpha(c)||isdigit(c))
				{
					state = 20;
				}
				else{
					state = 0;
				}
				end++;
				break;
		}
	}
	
}*/