grid.cpp

解决八数码问题的经典程序。实现了宽带优先算法

// Grid.cpp : implementation file
//

#include "stdafx.h"
#include "Chess.h"
#include "Grid.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGrid

CGrid::CGrid()
{
}

CGrid::~CGrid()
{
}


BEGIN_MESSAGE_MAP(CGrid, CEdit)
	//{{AFX_MSG_MAP(CGrid)
	ON_WM_CHAR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGrid message handlers

void CGrid::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	// TODO: Add your message handler code here and/or call default

	if(isalpha(nChar))
	{
		if (islower(nChar))
			nChar-=32;
		if (nChar>'F') nChar=NULL;
		DefWindowProc(WM_CHAR,nChar,MAKELONG(nRepCnt,nFlags));
	}
	

	if( isdigit(nChar) || nChar==VK_BACK || nChar==VK_LEFT || nChar==VK_RIGHT ||
		nChar==VK_RETURN || nChar==VK_TAB || nChar==VK_ESCAPE || nChar==VK_CONTROL)
		CEdit::OnChar(nChar, nRepCnt, nFlags);
}