Lesson 5 - MCI Command to open the music file.

//***************************************************************
#include "stdafx.h"
#include "player.h"
#include "playerDlg.h"
#include "mmsystem.h"
#include "hyperlink.h"
//#include "listdlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#define WM_MYMESSAGE WM_USER+6
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

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

class CAboutDlg : public CDialog
{
public:
CAboutDlg();
CHyperLink m_url;
// 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)
virtual BOOL OnInitDialog();
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}
BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();

// TODO: Add extra initialization here
m_url.SetURL(_T("mailto:landyu@163.com"));
m_url.SetUnderline(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAboutDlg)
DDX_Control(pDX, IDC_EMAIL, m_url);
//}}AFX_DATA_MAP
}

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

/////////////////////////////////////////////////////////////////////////////
// CPlayerDlg dialog

CPlayerDlg::CPlayerDlg(CWnd* pParent /*=NULL*/)
: CDialog(CPlayerDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CPlayerDlg)
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
//*********************变量初始化**********
aa="";
hour=0,minute=0,second=0;fi=-1;fr=0;
}

void CPlayerDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CPlayerDlg)
DDX_Control(pDX, IDC_NEXT, m_next);
DDX_Control(pDX, IDC_SDEL, m_sdel);
DDX_Control(pDX, IDC_PER, m_per);
DDX_Control(pDX, IDC_LIST, m_list);
DDX_Control(pDX, IDC_SLIDER, m_sl);
DDX_Control(pDX, IDC_POP, m_pop);
DDX_Control(pDX, IDC_RP, m_rp);
DDX_Control(pDX, IDC_STOP, m_stop);
DDX_Control(pDX, IDC_PLAY, m_play);
DDX_Control(pDX, IDC_OPEN, m_open);
DDX_Control(pDX, IDC_BMIM, m_bmim);
DDX_Control(pDX, IDC_BHELP, m_bhelp);
DDX_Control(pDX, IDC_BEXIT, m_bexit);
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPlayerDlg, CDialog)
//{{AFX_MSG_MAP(CPlayerDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_LBUTTONDOWN()
ON_BN_CLICKED(IDC_PLAY, OnPlay)
ON_BN_CLICKED(IDC_OPEN, OnOpen)
ON_BN_CLICKED(IDC_BEXIT, OnBexit)
ON_BN_CLICKED(IDC_BHELP, Onbhelp)
ON_BN_CLICKED(IDC_BMIM, Onbmim)
ON_BN_CLICKED(IDC_STOP, Onstop)
ON_WM_TIMER()
ON_BN_CLICKED(IDC_RP, OnRp)
ON_BN_CLICKED(IDC_POP, OnPop)
ON_LBN_DBLCLK(IDC_LIST, OnDblclkList)
ON_BN_CLICKED(IDC_PER, OnPer)
ON_BN_CLICKED(IDC_NEXT, OnNext)
ON_WM_LBUTTONUP()
ON_BN_CLICKED(IDC_SDEL, OnSdel)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPlayerDlg message handlers

BOOL CPlayerDlg::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);
SetWindowText("MCI播放器");
m_flag=true;m_flag1=true,m_flag2=false;m_flag3=true;m_flag4=true;
MoveWindow(200,200,303,103);//初始程序大小
//******************加载图片***************
m_bg.LoadBitmap(IDB_BITMAPBG);
m_play.LoadBitmaps(IDB_BITMAPPLAY1,IDB_BITMAPPLAY3);
m_stop.LoadBitmaps(IDB_BITMAPSTOP1,IDB_BITMAPSTOP3);
m_open.LoadBitmaps(IDB_BITMAPOPEN1,IDB_BITMAPOPEN3);
m_bhelp.LoadBitmaps(IDB_BITMAPHELP1,IDB_BITMAPHELP2);
m_bmim.LoadBitmaps(IDB_BITMAPMIM1,IDB_BITMAPMIM2);
m_bexit.LoadBitmaps(IDB_BITMAPEXIT1,IDB_BITMAPEXIT2);
m_rp.LoadBitmaps(IDB_BITMAPRP1,IDB_BITMAPRP2);
m_pop.LoadBitmaps(IDB_BITMAPC,IDB_BITMAPD);
m_pop.LoadBitmaps(IDB_BITMAPA,IDB_BITMAPB);
m_per.LoadBitmaps(IDB_BITMAPPER1,IDB_BITMAPPER2);
m_next.LoadBitmaps(IDB_BITMAPNEXT1,IDB_BITMAPNEXT2);
m_sdel.LoadBitmaps(IDB_BITMAPDEL1,IDB_BITMAPDEL2);
return TRUE; // return TRUE unless you set the focus to a control
}

void CPlayerDlg::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 CPlayerDlg::OnPaint()
{ // Set big icon
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;
dc.DrawIcon(x, y, m_hIcon);
}
else
{
// CDialog::OnPaint();
CPaintDC dc(this);
CRect rect;
GetClientRect(&rect);
CDC dcMem;
dcMem.CreateCompatibleDC(&dc);
BITMAP bitMap;
m_bg.GetBitmap(&bitMap);
CBitmap *pbmpOld=dcMem.SelectObject(&m_bg);
dc.StretchBlt(0,0,502,rect.Height(),&dcMem,0,0,bitMap.bmWidth,bitMap.bmHeight,SRCCOPY);
m_bexit.MoveWindow(284,0,19,19,false);
m_bmim.MoveWindow(263,0,19,19,false);
m_bhelp.MoveWindow(242,0,19,19,false);
m_play.MoveWindow(13,60,40,40,false);
m_stop.MoveWindow(55,68,30,30,false);
m_open.MoveWindow(93,65,30,30,false);
m_rp.MoveWindow(133,68,30,30,false);
m_pop.MoveWindow(282,22,20,78,false);
m_per.MoveWindow(170,60,40,40,false);
m_next.MoveWindow(200,60,40,40,false);
m_sdel.MoveWindow(484,30,18,40,false);
}
}
HCURSOR CPlayerDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CPlayerDlg::OnLButtonDown(UINT nFlags, CPoint point)
{
PostMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM (point.x, point.y));
CDialog::OnLButtonDown(nFlags, point);
}
void CPlayerDlg::OnPlay()
{
if(aa=="")
{
OnOpen();
}
else
{
if(m_flag&&aa!="")
{
m_play.LoadBitmaps(IDB_BITMAPPAUSE,IDB_BITMAPPLAY3);
m_flag=false;
m_play.RedrawWindow();
MCI_OPEN_PARMS mciopenparms;//打开
MCI_PLAY_PARMS mciplayparms;//播放
mciopenparms.lpstrElementName=aa;//播放路径
mciopenparms.lpstrDeviceType=NULL;//文件类型
mciSendCommand(0,MCI_OPEN,MCI_DEVTYPE_WAVEFORM_AUDIO,(DWORD)(LPVOID)&mciopenparms);//向MCI设备发送命令消息
m_count=mciopenparms.wDeviceID;
mciplayparms.dwCallback=(DWORD)GetSafeHwnd();
cdlen=getinfo(MCI_STATUS_LENGTH); //得到曲目长度
cdto=MCI_MAKE_HMS(MCI_HMS_HOUR(cdlen),MCI_HMS_MINUTE(cdlen),MCI_HMS_SECOND(cdlen));
mciplayparms.dwFrom=cdfrom;
mciplayparms.dwTo=cdto;
mciSendCommand(m_count,MCI_PLAY,MCI_TO|MCI_FROM,(DWORD)(LPVOID)& mciplayparms);
SetTimer(0,1000,NULL);
UpdateData(false);
}
else
{
m_play.LoadBitmaps(IDB_BITMAPPLAY1,IDB_BITMAPPLAY3);
m_flag=true;
m_play.RedrawWindow();
KillTimer(0);
DWORD dwsf=getinfo(MCI_STATUS_POSITION);
cdfrom=MCI_MAKE_MSF(MCI_MSF_MINUTE(dwsf),MCI_MSF_SECOND(dwsf),
MCI_MSF_FRAME(dwsf));
mciSendCommand(m_count,MCI_CLOSE,0,NULL);
m_count=0;
}
}
}
DWORD CPlayerDlg::getinfo(DWORD item)
{
MCI_STATUS_PARMS mcistatusparms;
mcistatusparms.dwCallback=(DWORD)GetSafeHwnd();
mcistatusparms.dwItem=item;
mcistatusparms.dwReturn=0;
mciSendCommand(m_count,MCI_STATUS,MCI_STATUS_ITEM,(DWORD)&mcistatusparms);
return mcistatusparms.dwReturn;
}
void CPlayerDlg::OnOpen()
{
// TODO: Add your control notification handler code here
CFileDialog f(true);
f.m_ofn.Flags |=512;//OFN_ALLOWMULTISELECT;
f.m_ofn.lpstrFilter="All Support type\0*.*\0\0";
//选取内容部份
POSITION pos=f.GetStartPosition();
if(f.DoModal()==IDOK)
{
while (pos != NULL)
{
fi++;
file[fi]=f.GetNextPathName(pos);
if(aa=="")
{
aa=file[fi];
fr=fi;
Onstop();
Tplay();

m_play.LoadBitmaps(IDB_BITMAPPAUSE,IDB_BITMAPPLAY3);
m_flag=false;
m_play.RedrawWindow();
}
m_list.AddString(file[fi]);
m_list.SetCurSel(fr);
UpdateData(false);
}
forfor();
}

}

void CPlayerDlg::OnBexit()
{
// TODO: Add your control notification handler code here
Onstop();
OnOK();
}
void CPlayerDlg::Onbhelp()
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
void CPlayerDlg::Onbmim()
{
Thide();
// ShowWindow(SW_MINIMIZE);
ShowWindow(SW_HIDE);
}
void CPlayerDlg::Onstop()
{
KillTimer(0);
cdfrom=MCI_MAKE_HMS(0,0,0);
mciSendCommand(m_count,MCI_CLOSE,0,NULL);
m_count=0;
m_play.LoadBitmaps(IDB_BITMAPPLAY1,IDB_BITMAPPLAY3);
m_flag=true;
m_play.RedrawWindow();
}
void CPlayerDlg::Tplay()
{
MCI_OPEN_PARMS mciopenparms;
MCI_PLAY_PARMS mciplayparms;
mciopenparms.lpstrElementName=aa;
mciopenparms.lpstrDeviceType=NULL;
mciSendCommand(0,MCI_OPEN,MCI_DEVTYPE_WAVEFORM_AUDIO,(DWORD)(LPVOID)&mciopenparms);
m_count=mciopenparms.wDeviceID;
mciplayparms.dwCallback=(DWORD)GetSafeHwnd();
cdlen=getinfo(MCI_STATUS_LENGTH);
cdfrom=MCI_MAKE_HMS(0,0,0);
cdto=MCI_MAKE_HMS(MCI_HMS_HOUR(cdlen),MCI_HMS_MINUTE(cdlen),MCI_HMS_SECOND(cdlen));
mciplayparms.dwFrom=cdfrom;
mciplayparms.dwTo=cdto;
mciSendCommand(m_count,MCI_PLAY,MCI_TO|MCI_FROM,(DWORD)(LPVOID)& mciplayparms);
SetTimer(0,1000,NULL);
m_sl.SetRange(0,cdlen);
}
void CPlayerDlg::Thide()
{
//任务栏图标
NOTIFYICONDATA tnd;
tnd.cbSize=sizeof(NOTIFYICONDATA);
tnd.hWnd=this->m_hWnd;
tnd.uID=IDR_MAINFRAME;
tnd.uFlags=NIF_MESSAGE|NIF_ICON|NIF_TIP;
tnd.uCallbackMessage=WM_MYMESSAGE;
tnd.hIcon=LoadIcon(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME));
strcpy(tnd.szTip,"Mp3 Player,单击图标弹出窗口");
Shell_NotifyIcon(NIM_ADD,&tnd);//向任务栏添加图标
}

LRESULT CPlayerDlg::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
// TODO: Add your specialized code here and/or call the base class
switch(message)
{
case WM_MYMESSAGE:
if(lParam==WM_RBUTTONUP||lParam==WM_LBUTTONUP)
{
ShowWindow(SW_SHOW);
Tdehide();
}
break;
}
return CDialog::WindowProc(message, wParam, lParam);
}
void CPlayerDlg::Tdehide()
{
NOTIFYICONDATA tnd;
tnd.cbSize=sizeof(NOTIFYICONDATA);
tnd.hWnd=this->m_hWnd;
tnd.uID=IDR_MAINFRAME;
tnd.uFlags=NIF_MESSAGE|NIF_ICON|NIF_TIP;
tnd.uCallbackMessage=WM_MYMESSAGE;
//用户自定义的消息，即鼠标在任务栏上程序图标上动作时图标发送的消息
tnd.hIcon=LoadIcon(AfxGetInstanceHandle(),MAKEINTRESOURCE(IDR_MAINFRAME));
strcpy(tnd.szTip,"Mp3 Player,单击图标弹出窗口");//图标提示为"测试程序"
Shell_NotifyIcon(NIM_DELETE,&tnd);//向任务栏添
}

void CPlayerDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
CString stime,kk;
second++;
CClientDC dc(this);
dc.SetBkColor(RGB(81,54,166));
dc.SetTextColor(RGB(215,249,9));
if(second==60)
{
minute++;second=0;
}
if(minute==60)
{
hour++;minute=0;
}
if(hour==24)
{
hour=0;
}
stime.Format("%02d:%02d:%02d",hour,minute,second);
dc.TextOut(20,10,stime);
m_sl.SetPos(cdfrom);
kk.Format("%d",cdfrom);
dc.TextOut(110,10,kk);
DWORD cdf=getinfo(MCI_STATUS_POSITION);
cdfrom=MCI_MAKE_MSF(MCI_MSF_MINUTE(cdf),MCI_MSF_SECOND(cdf),
MCI_MSF_FRAME(cdf));
UpdateData(false);
if(getinfo(MCI_STATUS_POSITION)==cdlen)
{
hour=0;second=0;minute=0;
fr++;
if(fr<=fi) { m_list.SetCurSel(fr); aa=file[fr]; Onstop(); OnPlay(); } if(fr>fi)
{
fr=0;
aa=file[fr];
m_list.SetCurSel(fr);
Onstop();
if(m_flag2)
OnPlay();
}
}
CDialog::OnTimer(nIDEvent);
}


void CPlayerDlg::OnRp()
{
// TODO: Add your control notification handler code here
if(m_flag1)
{
m_rp.LoadBitmaps(IDB_BITMAPRP2,IDB_BITMAPRP1);
m_flag1=false;
m_flag2=true;
m_rp.RedrawWindow();
}
else
{
m_rp.LoadBitmaps(IDB_BITMAPRP1,IDB_BITMAPRP2);
m_flag1=true;
m_flag2=false;
m_rp.RedrawWindow();
}
}

void CPlayerDlg::OnPop()
{
// TODO: Add your control notification handler code here
if(m_flag4)
{
for(int i=303;i<=502;i++) { Sleep(2); MoveWindow(200,200,i,103); } m_flag4=false; }else { for(int i=502;i>=303;i--)
{
Sleep(2);
MoveWindow(200,200,i,103);
}
m_flag4=true;
}
}
HBRUSH CPlayerDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);

// TODO: Change any attributes of the DC here

return hbr;
}

void CPlayerDlg::OnDblclkList()
{
// TODO: Add your control notification handler code here
int i=m_list.GetCurSel();
CString tp;
tp.Format("%d",i);
fr=i;
aa=file[i];
Onstop();
OnPlay();
UpdateData(false);
}

void CPlayerDlg::OnPer()
{
// TODO: Add your control notification handler code here
fr--;
if(fr==-1)
{
fr=0;
}
if(fr>=0)
{
m_list.SetCurSel(fr);
aa=file[fr];
Onstop();
OnPlay();
UpdateData(false);
}
}

void CPlayerDlg::OnNext()
{
// TODO: Add your control notification handler code here
fr++;
if(fr>fi)
{
fr=fi;
}
if(fr<=fi)
{
m_list.SetCurSel(fr);
aa=file[fr];
Onstop();
OnPlay();
UpdateData(false);
}
}

void CPlayerDlg::OnSdel()
{
// TODO: Add your control notification handler code here
int temp=0,i=0,j=0;
temp=m_list.GetCurSel();
for(i;i<=fi;i++)
{
if(i==temp)
{
j=i;
for(j;j {
file1[j]=file1[j+1];
}
fi=fi-1;
m_list.DeleteString(temp);
m_list.SetCurSel(temp-1);
UpdateData(false);
forfor1();
}
}
}
void CPlayerDlg::forfor()
{
int i=0;
for(i;i<=fi;i++)
{
file1[i]=file[i];
}
}
void CPlayerDlg::forfor1()
{
int i=0;
for(i;i<=fi;i++)
{
file[i]=file1[i];
}
}
void CPlayerDlg::comp()
{
DWORD dwsf=getinfo(MCI_STATUS_POSITION);
cdfrom=MCI_MAKE_MSF(MCI_MSF_MINUTE(dwsf),MCI_MSF_SECOND(dwsf),
MCI_MSF_FRAME(dwsf));
mciSendCommand(m_count,MCI_CLOSE,0,NULL);
m_count=0;
}