videobar.cpp

与vc++界面十分类似的词法分析器

// VideoBar.cpp : implementation file
//

#include "stdafx.h"
#include "VideoBar.h"
#include "resource.h"
#include "vfw.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CVideoBar

CVideoBar::CVideoBar()
{
	m_hwnd=NULL;
	bl_play=false;
	m_Path.Empty();
	m_OldPath.Empty();
}

CVideoBar::~CVideoBar()
{
	if(!m_OldPath.IsEmpty())
			if((m_OldPath.Find(".rmvb")>-1)||(m_OldPath.Find(".m2v")>-1)||(m_OldPath.Find(".rm")>-1))
			{
				CFile::Rename(m_Path,m_OldPath);
				m_OldPath=_T("");
			}
}


BEGIN_MESSAGE_MAP(CVideoBar, baseCMyBar)
    //{{AFX_MSG_MAP(CVideoBar)
    ON_WM_CREATE()
    ON_WM_SIZE()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()


/////////////////////////////////////////////////////////////////////////////
// CMyBar message handlers

int CVideoBar::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
    if (baseCMyBar::OnCreate(lpCreateStruct) == -1)
        return -1;

    if (!m_wndChild.Create(NULL,WS_CHILD|WS_VISIBLE|WS_BORDER,CRect(0,0,0,0),this,ID_VIDEOBAR))
        return -1;

	if (!m_open.Create("Open",WS_CHILD|WS_VISIBLE,CRect(0,0,0,0),this,ID_OPEN))
        return -1;

	if (!m_play.Create("Play",WS_CHILD|WS_VISIBLE,CRect(0,0,0,0),this,ID_PLAY))
        return -1;

	if (!m_close.Create("Close",WS_CHILD|WS_VISIBLE,CRect(0,0,0,0),this,ID_CLOSE))
        return -1;

    return 0;
}

void CVideoBar::OnUpdateCmdUI(CFrameWnd* pTarget, BOOL bDisableIfNoHndler)
{
    baseCMyBar::OnUpdateCmdUI(pTarget, bDisableIfNoHndler);

    UpdateDialogControls(pTarget, bDisableIfNoHndler);
}

void CVideoBar::OnSize(UINT nType, int cx, int cy) 
{
    baseCMyBar::OnSize(nType, cx, cy);

    // TODO: Add your message handler code here
    CRect rc;
    GetClientRect(rc);
	int x=rc.right;
	int y=rc.bottom;
	int width=rc.Width()/3;
	int height=rc.Height();
	if(height>=80)
		height=20;
	else height=height/4;
	rc.bottom-=height+2;
    m_wndChild.MoveWindow(rc);

	rc.top=y-height;
	rc.bottom=y;
	int temp=rc.right=rc.left+width;
	m_open.MoveWindow(rc);

	rc.right=x;
	rc.left=rc.right-width;
	m_close.MoveWindow(rc);

	rc.right=rc.left-1;
	rc.left=temp+1;
	m_play.MoveWindow(rc);

	if(bl_play)
	{
		m_wndChild.GetClientRect(rc);
	    ::MoveWindow(m_hwnd,rc.left,rc.top,rc.right,rc.bottom,true);
	}
}

BOOL CVideoBar::OnOpen()
{
	CFileDialog video(TRUE,NULL,NULL,OFN_HIDEREADONLY,"Video Files (*.avi *.wav *.mpeg)|*.avi;*.wav;*.mpeg|Other Video Files(*.mpg*.asf*.wmv*.rmvb*.rm*m2v)|*.mpg;*.asf;*.wmv;*.rmvb;*.rm;*m2v|Wave Files (*.wav*.wmv*.wma*.mid*.midi)|*.wav;*.wmv;*.wma;*mid;*.midi|MP3 Files (*.mp3)|*.mp3|Other Audio Files (*.mpga)|*.mpga|All File (*.*)|*.*|");
	if(video.DoModal() == IDOK)
	{
		if(!m_OldPath.IsEmpty())
			if((m_OldPath.Find(".rmvb")>-1)||(m_OldPath.Find(".m2v")>-1)||(m_OldPath.Find(".rm")>-1))
			{
				CFile::Rename(m_Path,m_OldPath);
				m_OldPath=_T("");
			}
		m_Path = video.GetPathName();
		CString temp=video.GetFileExt();
		if(~(temp.Find("rmvb")&temp.Find("m2v")&temp.Find("rm")))
		{
			m_OldPath=m_Path;
			m_Path+=".mpeg";
		    CFile::Rename(m_OldPath,m_Path);
		}
		OnClose();
		OnPlay();
		return true;
	}
	else return false;
}

void CVideoBar::OnClose()
{
	MCIWndStop(m_hwnd);
	if(m_hwnd !=NULL)
	{
		MCIWndDestroy(m_hwnd);
		m_hwnd=NULL;
	}
    bl_play=false;
}

void CVideoBar::OnPlay()
{
	if(!m_Path.IsEmpty())
	{
		if(m_hwnd == NULL)
			m_hwnd = MCIWndCreate(m_wndChild.GetSafeHwnd(),
			AfxGetInstanceHandle(),
			WS_CHILD | WS_VISIBLE/*|MCIWNDF_NOMENU|MCIWNDF_SHOWMODE*/
			,m_Path);
		else
			MCIWndHome(m_hwnd);
		if(!m_OldPath.IsEmpty())
			if((m_OldPath.Find(".rmvb")>-1)||(m_OldPath.Find(".m2v")>-1)||(m_OldPath.Find(".rm")>-1))
			{
				CFile::Rename(m_Path,m_OldPath);
				m_OldPath=_T("");
			}
		CRect rc;
	    m_wndChild.GetClientRect(rc);
	    ::MoveWindow(m_hwnd,rc.left,rc.top,rc.right,rc.bottom,true);
	    MCIWndPlay(m_hwnd);
		::UpdateWindow(m_hwnd);;
	    bl_play=true;
	}
	else MessageBox("请先选择视屏或音频文件！","Warning",MB_OK|MB_ICONWARNING);
}

void CVideoBar::Open(CString fname,CString ext)
{
	if(!m_OldPath.IsEmpty())
		if((m_OldPath.Find(".rmvb")>-1)||(m_OldPath.Find(".m2v")>-1)||(m_OldPath.Find(".rm")>-1))
		{
			CFile::Rename(m_Path,m_OldPath);
			m_OldPath=_T("");
		}
	m_Path = fname;
	CString temp=ext;
	if(~(temp.Find("rmvb")&temp.Find("m2v")&temp.Find("rm")))
	{
		m_OldPath=m_Path;
		m_Path+=".mpeg";
		   CFile::Rename(m_OldPath,m_Path);
	}
	OnClose();
	OnPlay();
}