www.pudn.com > MEDIAPLAYER.rar > MEDIAPLAYERDlg.cpp

// MEDIAPLAYERDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "MEDIAPLAYER.h" 
#include "MEDIAPLAYERDlg.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() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMEDIAPLAYERDlg dialog 
 
CMEDIAPLAYERDlg::CMEDIAPLAYERDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CMEDIAPLAYERDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CMEDIAPLAYERDlg) 
		// 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 CMEDIAPLAYERDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CMEDIAPLAYERDlg) 
	DDX_Control(pDX, IDC_AMOVIE, m_amovie); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CMEDIAPLAYERDlg, CDialog) 
	//{{AFX_MSG_MAP(CMEDIAPLAYERDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_COMMAND(ID_FILEOPEN, OnFileopen) 
	ON_COMMAND(ID_FILECLOSE, OnFileclose) 
	ON_COMMAND(ID_FILEEXIT, OnFileexit) 
	ON_COMMAND(ID_PLAYSTART, OnPlaystart) 
	ON_COMMAND(ID_PAAYSTOP, OnPaaystop) 
	ON_COMMAND(ID_PLAYPAUSE, OnPlaypause) 
	ON_COMMAND(ID_VIDEO1X, OnVideo1x) 
	ON_COMMAND(ID_VIDEO2X, OnVideo2x) 
	ON_COMMAND(ID_VIDEOFULL, OnVideofull) 
	ON_COMMAND(ID_VOLUME, OnVolume) 
	ON_COMMAND(ID_BALANCE, OnBalance) 
	ON_COMMAND(ID_HELPABOUT, OnHelpabout) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CMEDIAPLAYERDlg message handlers 
 
BOOL CMEDIAPLAYERDlg::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 CMEDIAPLAYERDlg::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 CMEDIAPLAYERDlg::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 CMEDIAPLAYERDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
void CMEDIAPLAYERDlg::OnFileopen()  
{ 
	// TODO: Add your command handler code here 
	//打开一个媒体文件 
	CFileDialog dlg(TRUE,NULL,NULL,0,"所有文件|*.*",NULL); 
	if(dlg.DoModal()==IDOK) 
	{ 
		m_amovie.SetFileName(dlg.GetPathName()); 
	} 
 
} 
 
void CMEDIAPLAYERDlg::OnFileclose()  
{ 
	// TODO: Add your command handler code here 
	//关闭文件，即简单将ActiveMovie控件的FileName属性设置为空 
    m_amovie.SetFileName("");   
 
} 
 
void CMEDIAPLAYERDlg::OnFileexit()  
{ 
	// TODO: Add your command handler code here 
	//关闭应用程序 
	OnCancel(); 
} 
 
void CMEDIAPLAYERDlg::OnPlaystart()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Run(); 
} 
 
void CMEDIAPLAYERDlg::OnPaaystop()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Stop(); 
} 
 
void CMEDIAPLAYERDlg::OnPlaypause()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Pause(); 
} 
 
void CMEDIAPLAYERDlg::OnVideo1x()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Pause(); 
	m_amovie.SetMovieWindowSize(0); 
	m_amovie.Run(); 
} 
 
void CMEDIAPLAYERDlg::OnVideo2x()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Pause(); 
	m_amovie.SetMovieWindowSize(1); 
	m_amovie.Run(); 
} 
 
void CMEDIAPLAYERDlg::OnVideofull()  
{ 
	// TODO: Add your command handler code here 
	m_amovie.Pause(); 
	m_amovie.SetFullScreenMode(TRUE); 
	m_amovie.Run(); 
} 
 
void CMEDIAPLAYERDlg::OnVolume()  
{ 
	// TODO: Add your command handler code here 
	CVolumeDlg dlgVolume; 
	dlgVolume.SetVolume(&m_amovie); 
} 
 
void CMEDIAPLAYERDlg::OnBalance()  
{ 
	// TODO: Add your command handler code here 
	CBalanceDlg dlgBalance; 
	dlgBalance.SetBlance(&m_amovie); 
} 
 
void CMEDIAPLAYERDlg::OnHelpabout()  
{ 
	// TODO: Add your command handler code here 
	CAboutDlg dlgAbout; 
	dlgAbout.DoModal(); 
} 
 
void CMEDIAPLAYERDlg::MoveMovieWindow() 
{ 
    //改变窗口大小以适应控件大小 
	CRect rc1,rc2,rc3; 
	//得到ActiveMovie控件大小 
	m_amovie.GetWindowRect(rc1); 
	//保证对话框客户区的宽不小于300象素，高不小于225象素 
	if(rc1.Width()<300||rc1.Height()<255) 
	{ 
		rc1.right=rc1.left+300; 
		rc1.bottom=rc1.top+225; 
	} 
	//获得对话框的大小 
	GetWindowRect(rc2); 
	//获得对话框客户区大小 
    GetClientRect(rc3); 
	//改变对话框大小以适应ActiveMovie控件大小 
	MoveWindow(rc2.left,rc2.top,rc2.Width()-rc3.Width()+rc1.Width(), 
		rc2.Height()-rc3.Height()+rc1.Height()); 
	//获得控件ActiveMovie的大小 
	m_amovie.GetWindowRect(rc1); 
	GetClientRect(rc3); 
	//使ActiveMovie控件在对话框的客户区居中 
	m_amovie.MoveWindow((rc3.Width()-rc1.Width())/2, 
		(rc3.Height()-rc1.Height())/2,rc1.Width(),rc1.Height()); 
 
} 
 
BEGIN_EVENTSINK_MAP(CMEDIAPLAYERDlg, CDialog) 
    //{{AFX_EVENTSINK_MAP(CMEDIAPLAYERDlg) 
	ON_EVENT(CMEDIAPLAYERDlg, IDC_AMOVIE, 1 /* StateChange */, OnStateChangeAmovie, VTS_I4 VTS_I4) 
	ON_EVENT(CMEDIAPLAYERDlg, IDC_AMOVIE, -609 /* ReadyStateChange */, OnReadyStateChangeAmovie, VTS_I4) 
	ON_EVENT(CMEDIAPLAYERDlg, IDC_AMOVIE, 51 /* DisplayModeChange */, OnDisplayModeChangeAmovie, VTS_NONE) 
	ON_EVENT(CMEDIAPLAYERDlg, IDC_AMOVIE, 999 /* Error */, OnErrorAmovie, VTS_I2 VTS_BSTR VTS_BSTR VTS_PBOOL) 
	ON_EVENT(CMEDIAPLAYERDlg, IDC_AMOVIE, 50 /* OpenComplete */, OnOpenCompleteAmovie, VTS_NONE) 
	//}}AFX_EVENTSINK_MAP 
END_EVENTSINK_MAP() 
 
void CMEDIAPLAYERDlg::OnStateChangeAmovie(long oldState, long newState)  
{ 
	// TODO: Add your control notification handler code here 
	//当ActiveMovie控件状态发生改变时，主对话框的大小也将发生改变 
	MoveMovieWindow(); 
} 
 
void CMEDIAPLAYERDlg::OnReadyStateChangeAmovie(long ReadyState)  
{ 
	// TODO: Add your control notification handler code here 
	//当ActiveMovie控件准备状态发生改变时，主对话框的大小也将发生改变 
	MoveMovieWindow(); 
} 
 
void CMEDIAPLAYERDlg::OnDisplayModeChangeAmovie()  
{ 
	// TODO: Add your control notification handler code here 
	//当ActiveMovie控件显示模式改变时，主对话框的大小也将发生改变 
	MoveMovieWindow(); 
} 
 
void CMEDIAPLAYERDlg::OnErrorAmovie(short SCode, LPCTSTR Description, LPCTSTR Source, BOOL FAR* CancelDisplay)  
{ 
	// TODO: Add your control notification handler code here 
	//处理ActiveMovie的出错事件，弹出一个消息以告诉用户出错的代码和描述 
    CString str; 
	str.Format("出现错误[%d]：\n\n%s",SCode,Description); 
	MessageBox(str); 
	*CancelDisplay=TRUE; 
 
} 
 
void CMEDIAPLAYERDlg::OnOpenCompleteAmovie()  
{ 
	// TODO: Add your control notification handler code here 
	//当ActiveMovie控件完成媒体文件的加载时自动播放该文件 
	m_amovie.Run(); 
 
}