ex_cdplayer01dlg.cpp

这是一个VCD播放器的程序

// EX_Cdplayer01Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "EX_Cdplayer01.h"
#include "EX_Cdplayer01Dlg.h"
#include "CDAudio.h"


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

CCDAudio m_CDAudio;

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CEX_Cdplayer01Dlg dialog

CEX_Cdplayer01Dlg::CEX_Cdplayer01Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEX_Cdplayer01Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEX_Cdplayer01Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEX_Cdplayer01Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEX_Cdplayer01Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEX_Cdplayer01Dlg, CDialog)
	//{{AFX_MSG_MAP(CEX_Cdplayer01Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_PAUSE_BUTTON, OnPauseButton)
	ON_BN_CLICKED(IDC_PLAY_BUTTON, OnPlayButton)
	ON_BN_CLICKED(IDC_STOP_BUTTON, OnStopButton)
	ON_BN_CLICKED(IDC_NEXT_BUTTON, OnNextButton)
	ON_BN_CLICKED(IDC_FORMER_BUTTON, OnFormerButton)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEX_Cdplayer01Dlg message handlers

BOOL CEX_Cdplayer01Dlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEX_Cdplayer01Dlg::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 CEX_Cdplayer01Dlg::OnPaint() 
{
	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 CEX_Cdplayer01Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEX_Cdplayer01Dlg::OnPauseButton() 
{
	// TODO: Add your control notification handler code here
 SetDlgItemText(IDC_STATUS_STATIC,"暂停播放...");
 m_CDAudio.Pause();
	
}

void CEX_Cdplayer01Dlg::OnPlayButton() 
{
	// TODO: Add your control notification handler code here
if(m_CDAudio.Open()==FALSE)   //打开CD设备
{
	     AfxMessageBox("打开CD设备失败！");	
		return;
}
m_CDAudio.Play();   //播放

int iCurrentTrack=m_CDAudio.GetCurrentTrack();
CString strTrack;
	  if(iCurrentTrack<0)
	  {
		strTrack.Format("Track %d",1);
	  }
	 else
{
	   strTrack.Format("Track %d",iCurrentTrack);
}
	SetDlgItemText(IDC_TRACK_STATIC,strTrack);  //显示当前播放的CD曲目
	SetDlgItemText(IDC_STATUS_STATIC,"播放中...");//显示播放器当前的状态
	
}

void CEX_Cdplayer01Dlg::OnStopButton() 
{
	// TODO: Add your control notification handler code here
CString strTrack;
strTrack.Format("Track");
SetDlgItemText(IDC_TRACK_STATIC,strTrack);
SetDlgItemText(IDC_STATUS_STATIC,"停止播放...");
m_CDAudio.Stop();
	
}

void CEX_Cdplayer01Dlg::OnNextButton() 
{
	// TODO: Add your control notification handler code here
SetDlgItemText(IDC_STATUS_STATIC,"下一曲...");
int iCurrentTrack=m_CDAudio.GetCurrentTrack();
	  int iTotalTracks=m_CDAudio.GetTotalTracks();	
int TrackNumber; 

if(iCurrentTrack==iTotalTracks)
{
		m_CDAudio.SeekTo(1);
		TrackNumber=1;
}
else
{
		m_CDAudio.SeekTo(iCurrentTrack+1);
		TrackNumber=iCurrentTrack+1;
}

CString strTrack;
	
	  strTrack.Format("Track %d",TrackNumber);
SetDlgItemText(IDC_TRACK_STATIC,strTrack);
SetDlgItemText(IDC_STATUS_STATIC,"播放中...");
	
}

void CEX_Cdplayer01Dlg::OnFormerButton() 
{
	// TODO: Add your control notification handler code here
	SetDlgItemText(IDC_STATUS_STATIC,"上一曲...");
int iCurrentTrack=m_CDAudio.GetCurrentTrack();
int iTotalTracks=m_CDAudio.GetTotalTracks();	
int TrackNumber;

	  if(iCurrentTrack==1)
{		
		m_CDAudio.SeekTo(iTotalTracks);
		TrackNumber=iTotalTracks;
}
else
{
		m_CDAudio.SeekTo(iCurrentTrack-1);
		TrackNumber=iCurrentTrack-1;
}
	
CString strTrack;
strTrack.Format("Track %d",TrackNumber);
SetDlgItemText(IDC_TRACK_STATIC,strTrack);
SetDlgItemText(IDC_STATUS_STATIC,"播放中...");

}