mailserverdlg.cpp

适合WINDOWS编程的初学者,对掌握WINDOWS编程很有帮助

// MailServerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "MailServer.h"
#include "MailServerDlg.h"
#include "mmsystem.h"

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

#define WM_MYMESSAGE (WM_USER+1)

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

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();
//	BOOL OnInitDialog();

//	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)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

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

/*
BOOL CAboutDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	//设置URL地址
    m_url.SetURL(_T("mailto:[e-mail]"));
	//URL地址无下划线
	m_url.SetUnderline(FALSE);
	
	return TRUE;
}
*/

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()

/////////////////////////////////////////////////////////////////////////////
// CMailServerDlg dialog

CMailServerDlg::CMailServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMailServerDlg::IDD, pParent)
{
	//变量初始化
	//默认路径为空
    aa=" ";
	hour=0,minute=0,second=0;
	//设置List控件中歌曲曲条目号码
    fi=-1,fr=0;

	//{{AFX_DATA_INIT(CMailServerDlg)
		// 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 CMailServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMailServerDlg)
	DDX_Control(pDX, IDC_LIST, m_list);
	DDX_Control(pDX, IDC_SLIDER1, m_sl);
	DDX_Control(pDX, IDB_BITMAPSTOP1, m_stop);
	DDX_Control(pDX, IDB_BITMAPRP1, m_rp);
	DDX_Control(pDX, IDB_BITMAPPLAY1, m_play);
	DDX_Control(pDX, IDB_BITMAPPER1, m_per);
	DDX_Control(pDX, IDB_BITMAPOPEN1, m_open);
	DDX_Control(pDX, IDB_BITMAPNEXT1, m_next);
	DDX_Control(pDX, IDB_BITMAPMIM1, m_bmim);
	DDX_Control(pDX, IDB_BITMAPHELP1, m_bhelp);
	DDX_Control(pDX, IDB_BITMAPEXIT1, m_bexit);
	DDX_Control(pDX, IDB_BITMAPDEL1, m_sdel);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMailServerDlg, CDialog)
	//{{AFX_MSG_MAP(CMailServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDB_BITMAPDEL1, OnSdel)
	ON_BN_CLICKED(IDB_BITMAPEXIT1, OnBexit)
	ON_BN_CLICKED(IDB_BITMAPHELP1, Onbhelp)
	ON_BN_CLICKED(IDB_BITMAPMIM1, Onbmim)
	ON_BN_CLICKED(IDB_BITMAPNEXT1, OnNext)
	ON_BN_CLICKED(IDB_BITMAPOPEN1, OnOpen)
	ON_BN_CLICKED(IDB_BITMAPPER1, OnPer)
	ON_BN_CLICKED(IDB_BITMAPPLAY1, OnPlay)
	ON_BN_CLICKED(IDB_BITMAPRP1, OnRp)
	ON_BN_CLICKED(IDB_BITMAPSTOP1, Onstop)
	ON_LBN_DBLCLK(IDC_LIST, OnDblclkList)
	ON_WM_LBUTTONDOWN()
	ON_NOTIFY(NM_OUTOFMEMORY, IDC_SLIDER1, OnTimer)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMailServerDlg message handlers

BOOL CMailServerDlg::OnInitDialog()
{
    
	//为真则允许播放歌曲
	m_flag=true;
	//为真则允许录制
	m_flag1=true;
	//为真则允许播放录制的内容
	m_flag2=false;
	//允许弹出List控件
	m_flag3=true;    


	CDialog::OnInitDialog();

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

//	SetWindowText("MCI 播放器");
	//程序主界面在屏幕中的位置及主界面的大小
//	MoveWindow(200,200,560,203);
	//加载程序背景图片
	m_bg.LoadBitmap(IDB_BITMAPBG);
	//以下部分是在控件上加载图片
	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_per.LoadBitmaps(IDB_BITMAPPER1,IDB_BITMAPPER2);
	m_next.LoadBitmaps(IDB_BITMAPNEXT1,IDB_BITMAPNEXT2);
	m_sdel.LoadBitmaps(IDB_BITMAPDEL1,IDB_BITMAPDEL2);

	// 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 CMailServerDlg::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.

//在程序的主界面上显示控件
void CMailServerDlg::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();
		CPaintDC dc(this);
		CRect rect;
		GetClientRect(&rect);
		CDC dcMem;
		dcMem.CreateCompatibleDC(&dc);
		BITMAP bitMap;
		m_bg.GetBitmap(&bitMap);
		CBitmap *pbmpOld=dcMem.SelectObject(&m_bg);
		//利用位图填充应用程序的界面
		dc.StretchBlt(0,0,502,rect.Height(),&dcMem,0,0,bitMap.bmWidth,bitMap.bmHeight,SRCCOPY);
		//添加控件,设定主界面上控件的位置和大小
/*		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(30,130,30,30,false);
		m_stop.MoveWindow(70,130,30,30,false);
		m_open.MoveWindow(110,130,30,30,false);
		m_per.MoveWindow(150,130,30,30,false);
		m_next.MoveWindow(190,130,30,30,false);
		m_rp.MoveWindow(250,130,30,30,false);
        
		m_list.MoveWindow(350,15,170,140,false);
		m_pop.MoveWindow(335,65,10,90,false);		
		m_sdel.MoveWindow(325,30,18,40,false);
*/
	}
}


//播放歌曲函数OnPlay()

void CMailServerDlg::OnPlay()
{
	//若目前没有曲目,则打开对话框
	if(aa==" ")
	{
		OnOpen();
	}
	else
	{
		if(m_flag&&aa!=" ")
		{
			m_play.LoadBitmaps(IDB_BITMAPPAUSE,IDB_BITMAPPLAY3);
			//播放的标志
			m_flag=false;
			//刷新m_play控件
			m_play.RedrawWindow();
			//打开
			MCI_OPEN_PARMS mciopenparms;
			//播放
			MCI_PLAY_PARMS mciplayparms;
			//播放路径
			mciopenparms.lpstrElementName=aa;
			//文件类型
			mciopenparms.lpstrDeviceType=NULL;
			//向MCI设备发送命令消息,包含歌曲文件的类型和路径
			mciSendCommand(0,MCI_OPEN,MCI_DEVTYPE_WAVEFORM_AUDIO,(DWORD)(LPVOID)&mciopenparms);
			//多媒体设备类型编号
			m_count=mciopenparms.wDeviceID;
			//歌曲播放支持类型
			mciplayparms.dwCallback=(DWORD)GetSafeHwnd();
			//得到曲目长度
			cdlen=getinfo(MCI_STATUS_LENGTH);
			//设置播放完毕某音频文件需要的时间:n小时n分n秒
			cdto=MCI_MAKE_HMS(MCI_HMS_HOUR(cdlen),MCI_HMS_MINUTE(cdlen),MCI_HMS_SECOND(cdlen));
			mciplayparms.dwFrom=cdfrom;
			mciplayparms.dwTo=cdto;
			//向多媒体设备发送播放文件命令
			mciSendCommand(m_count,MCI_PLAY,MCI_TO|MCI_FROM,(DWORD)(LPVOID)&mciplayparms);
			//设置系统计数器,显示歌曲播放的进度
			SetTimer(0,100,NULL);
			UpdateData(false);
		}
		else
		{
			m_play.LoadBitmaps(IDB_BITMAPPLAY1,IDB_BITMAPPLAY3);
			//允许播放
			m_flag=true;
			m_play.RedrawWindow();
			//取消计数器
			KillTimer(0);
			//暂停播放,获取当前曲目的状态
			DWORD dwsf=getinfo(MCI_STATUS_POSITION);
			//播放音频文件暂停时,记录下目前的进度
			cdfrom=MCI_MAKE_MSF(MCI_MSF_MINUTE(dwsf),MCI_MSF_SECOND(dwsf),MCI_MSF_FRAME(dwsf));
			//向多媒体设备发送指令,停止播放
			mciSendCommand(m_count,MCI_CLOSE,0,NULL);
			m_count=0;
		}
	}
}

//获取歌曲信息函数getinfo()

DWORD CMailServerDlg::getinfo(DWORD item)
{
	//MCI接口对象的状态
	MCI_STATUS_PARMS mcistatusparms;
	//歌曲格式
	mcistatusparms.dwCallback=(DWORD)GetSafeHwnd();
	//待获取的项目
	mcistatusparms.dwItem=item;
	mcistatusparms.dwReturn=0;
	//向多媒体设备发送指令,获取当前的状态参数
	mciSendCommand(m_count,MCI_STATUS,MCI_STATUS_ITEM,(DWORD)&mcistatusparms);
	return mcistatusparms.dwReturn;
}

//打开文件的对话框函数OnOpen()

void CMailServerDlg::OnOpen()
{
	//文件对话框处于打开状态
	CFileDialog f(true);
	//可以选多个曲目
	f.m_ofn.Flags |=512;
	//文件格式任意
	f.m_ofn.lpstrFilter="All Support type\0*.*\0\0";
	//选取目标音频文件
	POSITION pos=f.GetStartPosition();
	if(f.DoModal()==IDOK)
	{
		//选定List控件中的添加位置,将文件添加在选定位置后边
		while(pos!=NULL)
		{
			fi++;
			//将添加的音频文件路径存放在数组file中
			file[fi]=f.GetNextPathName(pos);
			//如果目前未在播放歌曲,则播放新添加的文件中的第一个
			if(aa==" ")
			{
				aa=file[fi];
				fr=fi;
				Onstop();
				OnPlay();
				//改变m_play的图标,提示用户可以暂停播放文件
				m_play.LoadBitmaps(IDB_BITMAPPAUSE,IDB_BITMAPPLAY3);
				//不允许播放
				m_flag=false;