videoplayerdlg.cpp

随着计算机信息技术的飞速发展

// VideoplayerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Videoplayer.h"
#include "VideoplayerDlg.h"

#include "VolumeDlg.h"
#include "BalanceDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CVideoplayerDlg dialog

CVideoplayerDlg::CVideoplayerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CVideoplayerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVideoplayerDlg)
		// 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 CVideoplayerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVideoplayerDlg)
	DDX_Control(pDX, IDC_AMOVIE, m_amovie);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CVideoplayerDlg, CDialog)
	//{{AFX_MSG_MAP(CVideoplayerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_FILE_CLOSE, OnFileClose)
	ON_COMMAND(ID_FILE_EXIT, OnFileExit)
	ON_COMMAND(ID_PLAY_START, OnPlayStart)
	ON_COMMAND(ID_PLAY_PAUSE, OnPlayPause)
	ON_COMMAND(ID_PLAY_STOP, OnPlayStop)
	ON_COMMAND(ID_VIDEO1X, OnVideo1x)
	ON_COMMAND(ID_VIDEO2X, OnVideo2x)
	ON_COMMAND(ID_AUDEOVOLUME, OnAudeovolume)
	ON_COMMAND(ID_AUDEOBALANCE, OnAudeobalance)
	ON_COMMAND(ID_HELPABOUT, OnHelpabout)
	ON_COMMAND(ID_VIDEO4X, OnVideo4x)
	ON_COMMAND(ID_VIDEO6X, OnVideo6x)
	ON_COMMAND(ID_VIDEOFULL, OnVideofull)
	ON_WM_RBUTTONDOWN()
	ON_WM_CONTEXTMENU()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVideoplayerDlg message handlers

BOOL CVideoplayerDlg::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
	
    //我的代码
	//设置ActiveMovie控件的初始文件为空
	m_amovie.SetFileName("");
	//改变窗口大小以适应ActiveMovie控件的大小
	MoveMovieWindow();
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CVideoplayerDlg::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 CVideoplayerDlg::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 CVideoplayerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CVideoplayerDlg::OnFileOpen() 
{
	CFileDialog dlg(TRUE,NULL,NULL,0,"所有文件|*.*",NULL);
	if(dlg.DoModal()==IDOK)
	{
		m_amovie.SetFileName(dlg.GetPathName());
	}
}

void CVideoplayerDlg::OnFileClose() 
{
	//关闭文件，即简单将ActiveMovie控件的FileName属性设置为空
    m_amovie.SetFileName("");	
}

void CVideoplayerDlg::OnFileExit() 
{
    //关闭应用程序
	OnCancel();
}

void CVideoplayerDlg::OnPlayStart() 
{   
	//开始播放文件
    m_amovie.Run();	
}

void CVideoplayerDlg::OnPlayPause() 
{
    //暂停媒体播放器
	m_amovie.Pause();
}

void CVideoplayerDlg::OnPlayStop() 
{
	//停止媒体播放器
	m_amovie.Stop();

}

void CVideoplayerDlg::OnVideo1x() 
{
    //首先暂停媒体播放器
	m_amovie.Pause();
	m_amovie.SetMovieWindowSize(0);
	m_amovie.Run();	
}

void CVideoplayerDlg::OnVideo2x() 
{
	//首先暂停媒体播放器
	m_amovie.Pause();
	m_amovie.SetMovieWindowSize(1);
	m_amovie.Run();	

}

void CVideoplayerDlg::OnVideo4x() 
{
		//首先暂停媒体播放器
	m_amovie.Pause();
	m_amovie.SetMovieWindowSize(3);
	m_amovie.Run();	
}

void CVideoplayerDlg::OnVideo6x() 
{
		//首先暂停媒体播放器
	m_amovie.Pause();
	m_amovie.SetMovieWindowSize(4);
	m_amovie.Run();	
}

void CVideoplayerDlg::OnVideofull() 
{
			//首先暂停媒体播放器
	m_amovie.Pause();
    m_amovie.SetFullScreenMode(TRUE);
	m_amovie.Run();	
}


void CVideoplayerDlg::OnRButtonDown(UINT nFlags, CPoint point) 
{
			//首先暂停媒体播放器
	m_amovie.Pause();
    m_amovie.SetFullScreenMode(FALSE);
	m_amovie.Run();	
	CDialog::OnRButtonDown(nFlags, point);
}

void CVideoplayerDlg::OnAudeovolume() 
{
    CVolumeDlg dlgVolume;
	dlgVolume.SetVolume(&m_amovie);
	
}

void CVideoplayerDlg::OnAudeobalance() 
{
    CBalanceDlg dlgBalance;
	dlgBalance.SetBalance(&m_amovie);
}

void CVideoplayerDlg::OnHelpabout() 
{
    CAboutDlg dlgAbout;
	dlgAbout.DoModal();
}

///////////////////////////////
///////////////////////////////
//以下为ActiveMovie控件消息映射
BEGIN_EVENTSINK_MAP(CVideoplayerDlg, CDialog)
    //{{AFX_EVENTSINK_MAP(CVideoplayerDlg)
	ON_EVENT(CVideoplayerDlg, IDC_AMOVIE, 1 /* StateChange */, OnStateChangeAmovie, VTS_I4 VTS_I4)
	ON_EVENT(CVideoplayerDlg, IDC_AMOVIE, -609 /* ReadyStateChange */, OnReadyStateChangeAmovie, VTS_I4)
	ON_EVENT(CVideoplayerDlg, IDC_AMOVIE, 51 /* DisplayModeChange */, OnDisplayModeChangeAmovie, VTS_NONE)
	ON_EVENT(CVideoplayerDlg, IDC_AMOVIE, 999 /* Error */, OnErrorAmovie, VTS_I2 VTS_BSTR VTS_BSTR VTS_PBOOL)
	ON_EVENT(CVideoplayerDlg, IDC_AMOVIE, 50 /* OpenComplete */, OnOpenCompleteAmovie, VTS_NONE)
	//}}AFX_EVENTSINK_MAP
END_EVENTSINK_MAP()

void CVideoplayerDlg::OnStateChangeAmovie(long oldState, long newState) 
{
	MoveMovieWindow();
	
}

void CVideoplayerDlg::OnReadyStateChangeAmovie(long ReadyState) 
{
	MoveMovieWindow();
	
}

void CVideoplayerDlg::OnDisplayModeChangeAmovie() 
{
	MoveMovieWindow();
	
}

void CVideoplayerDlg::OnErrorAmovie(short SCode, LPCTSTR Description, LPCTSTR Source, BOOL FAR* CancelDisplay) 
{
    CString str;
	str.Format("出现错误[%d]：\n\n%s",SCode,Description);
	MessageBox(str);
	*CancelDisplay=TRUE;
}

void CVideoplayerDlg::OnOpenCompleteAmovie() 
{    //当ActiveMovie控件完成媒体文件的加载时自动播放该文件
     m_amovie.Run();	
}

     //改变窗口大小以适应控件大小
void CVideoplayerDlg::MoveMovieWindow()
{
	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());
}


//创建一个浮动菜单
void CVideoplayerDlg::OnContextMenu(CWnd* pWnd, CPoint point) 
{
    CMenu menu;
	menu.LoadMenu(IDR_MENU1);
	menu.GetSubMenu(0)->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,point.y,this);
	menu.GetSubMenu(3)->TrackPopupMenu(TPM_LEFTALIGN|TPM_RIGHTBUTTON,point.x,point.y,this);

}