visualqueendlg.cpp

n皇后问题求解(8<=n<=1000) a) 皇后个数的设定 在指定文本框内输入皇后个数即可,注意: 皇后个数在8和1000 之间(包括8和1000) b) 求解 点击<

// VisualQueenDlg.cpp : implementation file
//

#include "stdafx.h"
#include "VisualQueen.h"
#include "VisualQueenDlg.h"
#include "Queen.h"
#include "BoardDraw.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVisualQueenDlg dialog

CVisualQueenDlg::CVisualQueenDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CVisualQueenDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVisualQueenDlg)
	m_queen_count = 0;
	m_strcollision = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CVisualQueenDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVisualQueenDlg)
	DDX_Control(pDX, IDC_STATIC_COLLISION, m_collision);
	DDX_Text(pDX, IDC_EDIT_QCOUNT, m_queen_count);
	DDV_MinMaxInt(pDX, m_queen_count, 8, 1000);
	DDX_Text(pDX, IDC_STATIC_COLLISION, m_strcollision);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CVisualQueenDlg, CDialog)
	//{{AFX_MSG_MAP(CVisualQueenDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDSOLVE, OnSolve)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVisualQueenDlg message handlers

BOOL CVisualQueenDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here

	m_queen_count = 8;
	UpdateData(FALSE);
	for ( int i=0; i<max_show_count; i++ )
		for ( int j=0; j<max_show_count; j++ )
			m_qdata[i][j] = 0;

	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CVisualQueenDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CVisualQueenDlg::OnPaint() 
{
	int i,j;
	int x1,y1,x2,y2;
	BoardDraw mydraw(this->GetDC());
	for ( i=0; i<max_show_count; i++ ) {
		for ( j=0; j<max_show_count; j++ ) {
			x1 = ox + j*length;
			y1 = oy + i*length;
			x2 = x1 + length;
			y2 = y1 + length;
			
			mydraw.SetForeColor(0xCCCCCC);
			if ( i>=m_queen_count || j>m_queen_count )
				mydraw.ClearRectangle(x1,y1,x2,y2);
			else
				mydraw.Rectangle(x1,y1,x2,y2);

			if ( m_qdata[i][j] == 1 ) 
				mydraw.Circle(x1,y1,x2,y2,1);
		}
	}

	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CVisualQueenDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CVisualQueenDlg::OnSolve() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);
	Queen	m_queen;
	if ( m_queen_count >1000 || m_queen_count<8 ) {
		MessageBox("Queen count out of range!","Error Input");
		return;
	}
	m_queen.SetQueenCount(m_queen_count);
	m_queen.Solve(m_collision);
	if ( m_queen.IsSolved() == true && 
		m_queen.GetQueenCount()<= max_show_count ) {
		DrawQueen(m_queen);
	}
	else {
		MessageBox("Queen have been solved!\nBut too much for shown!");
	}
}

void CVisualQueenDlg::DrawQueen(Queen & objq)
{
	int i,j;
	int x1,y1,x2,y2;
	BoardDraw	mydraw(this->GetDC());

	for ( i=0; i<max_show_count; i++ )
		for ( j=0; j<max_show_count; j++ )
			m_qdata[i][j] = 0;

	int count = objq.GetQueenCount();
	for ( j=0; j<count; j++ ) {
		i = objq.GetQindexInColumn(j);
		m_qdata[i][j] = 1;
	}

	for ( i=0; i<max_show_count; i++ ) {
		for ( j=0; j<max_show_count; j++ ) {
			x1 = ox + j*length;
			y1 = oy + i*length;
			x2 = x1 + length;
			y2 = y1 + length;
			
			if ( i>=m_queen_count || j>m_queen_count ) {
				mydraw.ClearRectangle(x1,y1,x2,y2);
			} else {
				mydraw.SetForeColor(0xCCCCCC);
				mydraw.Rectangle(x1,y1,x2,y2);
			}

			if ( m_qdata[i][j] == 1 ) 
				mydraw.Circle(x1,y1,x2,y2,1);
		}
	}
}