mainfrm.cpp

一个解决国际象棋中的八皇后问题的回溯算法.

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "N_QueensDemo.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/*
static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};
*/

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
/*
	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

  */
	SetWindowLong(this->m_hWnd,GWL_STYLE,
		GetWindowLong(this->m_hWnd,GWL_STYLE)&~(WS_THICKFRAME|WS_MAXIMIZEBOX));

	ResizeWindow(WIDTH,HEIGHT);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

void CMainFrame::ResizeWindow(int cxClient,int cyClient)
{
	int cyCap = GetSystemMetrics(SM_CYCAPTION);
	int cxBorder = GetSystemMetrics(SM_CXBORDER);
	int cyBorder = GetSystemMetrics(SM_CYBORDER);
	int cyMenu = GetSystemMetrics(SM_CYMENU);
	int cxEdge = GetSystemMetrics(SM_CXEDGE);
	int cyEdge = GetSystemMetrics(SM_CYEDGE);

	this->ShowWindow(SW_HIDE);
	this->MoveWindow(0,0,cxClient+2*cxBorder+2*cxEdge,cyClient+2*cyBorder+cyCap+cyMenu+2*cyEdge);
	this->CenterWindow();
	this->ShowWindow(SW_SHOW);
}