Music-player-mfc.zip_player

// mfc音乐播放器Dlg.cpp : implementation file // #include "StdAfx.h" #include "mfc音乐播放器.h" #include "mfc音乐播放器Dlg.h" #include"Mmsystem.h" #include"Digitalv.h" #pragma comment (lib,"winmm.lib") #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif HWND m_hWnd;//记录当前窗体句柄 DWORD DeviceID;//指定播放音乐设备的ID MCI_OPEN_PARMS mciopenparms;//打开指定的音乐文件参数 void Load(HWND hWnd,CString strFilePath) { m_hWnd=hWnd; mciSendCommand(DeviceID,MCI_CLOSE,0,0); mciopenparms.lpstrElementName=strFilePath; DWORD dwReturn; if(dwReturn=mciSendCommand(NULL,MCI_OPEN,MCI_OPEN_ELEMENT|MCI_WAIT,(DWORD)(LPVOID)&mciopenparms)) { char buffer[256]; mciGetErrorString(dwReturn,buffer,256); MessageBox(hWnd,buffer,"出错警告",MB_ICONHAND|MB_ICONERROR|MB_ICONSTOP); } DeviceID=mciopenparms.wDeviceID; } void play() { MCI_PLAY_PARMS mciplayparms; mciplayparms.dwCallback=(DWORD)m_hWnd; mciplayparms.dwFrom=0; mciSendCommand(DeviceID,MCI_PLAY,MCI_FROM|MCI_NOTIFY,(DWORD)(LPVOID)&mciplayparms); } void pause() { mciSendCommand(DeviceID,MCI_PAUSE,0,0); } void resume() { mciSendCommand(DeviceID,MCI_RESUME,0,0); } void stop() { mciSendCommand(DeviceID,MCI_STOP,0,0); mciSendCommand(DeviceID,MCI_CLOSE,0,0); } DWORD setvolumn(DWORD vol) { MCI_DGV_SETAUDIO_PARMS mcisetvolumn; mcisetvolumn.dwCallback=NULL; mcisetvolumn.dwItem=MCI_DGV_SETAUDIO_VOLUME; mcisetvolumn.dwValue=vol; mciSendCommand(DeviceID,MCI_SETAUDIO,MCI_DGV_SETAUDIO_VALUE|MCI_DGV_SETAUDIO_ITEM,(DWORD)(LPVOID)&mcisetvolumn); return 0; } ///////////////////////////////////////////////////////////////////////////// // 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() ///////////////////////////////////////////////////////////////////////////// // CMfcDlg dialog CMfcDlg::CMfcDlg(CWnd* pParent /*=NULL*/) : CDialog(CMfcDlg::IDD, pParent) { //{{AFX_DATA_INIT(CMfcDlg) m_int = 0; //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDI_ICON1); } void CMfcDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CMfcDlg) DDX_Control(pDX, IDC_SLIDER1, m_slider); DDX_Text(pDX, IDC_vol, m_int); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CMfcDlg, CDialog) //{{AFX_MSG_MAP(CMfcDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_ABOUT, OnAbout) ON_BN_CLICKED(IDC_EXIT, OnExit) ON_NOTIFY(NM_CUSTOMDRAW, IDC_SLIDER1, OnCustomdrawSlider1) ON_BN_CLICKED(IDC_flie, Onflie) ON_BN_CLICKED(IDC_PLAY, OnPlay) ON_BN_CLICKED(IDC_PAUSE, OnPause) ON_BN_CLICKED(IDC_STOP, OnStop) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CMfcDlg message handlers BOOL CMfcDlg::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 m_slider.SetRange(0,1000); m_slider.SetPos(500); GetDlgItem(IDC_PLAY)->EnableWindow(false); GetDlgItem(IDC_PAUSE)->EnableWindow(false); GetDlgItem(IDC_STOP)->EnableWindow(false); // TODO: Add extra initialization here return TRUE; // return TRUE unless you set the focus to a control } void CMfcDlg::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 CMfcDlg::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 { // // 给窗体添加背景 // CPaintDC dc(this); CRect rc; GetClientRect(&rc); CDC dcMem; dcMem.CreateCompatibleDC(&dc); CBitmap bmpBackground; bmpBackground.LoadBitmap(IDB_BITMAP1); BITMAP bitmap; bmpBackground.GetBitmap(&bitmap); CBitmap* pbmpPri = dcMem.SelectObject(&bmpBackground); dc.StretchBlt(0,0,rc.Width(), rc.Height(), &dcMem,0,0,bitmap.bmWidth, bitmap.bmHeight, SRCCOPY); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CMfcDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CMfcDlg::OnAbout() { // TODO: Add your control notification handler code here CAboutDlg dlg; dlg.DoModal(); } void CMfcDlg::OnExit() { // TODO: Add your control notification handler code here CDialog : OnCancel(); } void CMfcDlg::OnCustomdrawSlider1(NMHDR* pNMHDR, LRESULT* pResult) { // TODO: Add your control notification handler code here UpdateData(true); m_int=m_slider.GetPos(); setvolumn(m_int); UpdateData(false); *pResult = 0; } void CMfcDlg::Onflie() { // TODO: Add your control notification handler code here char szFlieFilter[]="mp3文件(*.mp3)|*.mp3|" "wma文件(*.wma)|*.wma|" "wav文件(*.wav)|*.wav|" "所有文件(*.*)|*.*|"; CFileDialog dlg(true,NULL,NULL,OFN_HIDEREADONLY,szFlieFilter); if(dlg.DoModal()==IDOK) { CString strFilepath=dlg.GetPathName(); CString strFilename=dlg.GetFileName(); SetDlgItemText(IDC_dizhi,strFilename); Load(this->m_hWnd,strFilepath); GetDlgItem(IDC_PLAY)->EnableWindow(true); GetDlgItem(IDC_PAUSE)->EnableWindow(true); GetDlgItem(IDC_STOP)->EnableWindow(true); } } void CMfcDlg::OnPlay() { // TODO: Add your control notification handler code here play(); } void CMfcDlg::OnPause() { // TODO: Add your control notification handler code here CString strtemp; GetDlgItemText(IDC_PAUSE,strtemp); if(strtemp.Compare("暂停")==0) { pause(); SetDlgItemText(IDC_PAUSE,"恢复"); } if(strtemp.Compare("恢复")==0) { resume(); SetDlgItemText(IDC_PAUSE,"暂停"); } } void CMfcDlg::OnStop() { // TOD