cd playerdlg.cpp

Cd player control for visual C

			case 'L':
				OnMenuLast();
				return 0;
				break;
			case 'e':
			case 'E':
				OnMenuEject();
				return 0;
				break;
			case 't':
			case 'T':
				OnMenuTopmost();
				return 0;
				break;
			default:
				break;
		}
	}
	return CDialog::PreTranslateMessage(pMsg);	// CG: This was added by the ToolTips component.
}

void CCDPlayerDlg::OnAboutbox() 
{
	// TODO: Add your command handler code here
	CAboutDlg dlgAbout;
	dlgAbout.DoModal();
}


void CCDPlayerDlg::OnButtonClose() 
{
	// TODO: Add your control notification handler code here
	OnCancel() ;
}

void CCDPlayerDlg::OnButtonInfo() 
{
	// TODO: Add your control notification handler code here
	CPoint	point;
	GetCursorPos(&point);

	CMenu menu;
	VERIFY(menu.LoadMenu(CG_IDR_POPUP_CDPLAYER_DLG));

	CMenu* pPopup = menu.GetSubMenu(1);
	ASSERT(pPopup != NULL);

	// Check our menu items.
	UINT   nMenuState=m_bIsTopmost ?  MF_CHECKED | MF_BYCOMMAND : MF_UNCHECKED | MF_BYCOMMAND;
	pPopup->CheckMenuItem(ID_MENU_TOPMOST,nMenuState);
	nMenuState=m_bShowMsg ?  MF_CHECKED | MF_BYCOMMAND : MF_UNCHECKED | MF_BYCOMMAND;
	pPopup->CheckMenuItem(ID_MENU_SHOWMSG,nMenuState);

	CWnd* pWndPopupOwner = this;

	while (pWndPopupOwner->GetStyle() & WS_CHILD)
			pWndPopupOwner = pWndPopupOwner->GetParent();

	pPopup->TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON, point.x, point.y,
			pWndPopupOwner);
}

void CCDPlayerDlg::OnButtonPlay() 
{
	// TODO: Add your control notification handler code here
	m_CDAudio.Play();
	m_bUserStoped=false;
}

void CCDPlayerDlg::OnButtonStop() 
{
	// TODO: Add your control notification handler code here
	m_CDAudio.Stop ();
	m_bUserStoped=true;
}


void CCDPlayerDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	if(MessageBox("You really want to exit?",
		NULL,MB_YESNO | MB_ICONQUESTION)==IDYES)
	{
		KillTimer(1);
		CDialog::OnCancel();
	}
}

void CCDPlayerDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	BOOL  bPaused;
	BOOL  bPlaying;
	if(m_CDAudio.IsDriveReady() && CanPlay())
	{
		// Reset our var.
		if(!m_bCDReady)
		{
			m_nTotalTracks=m_CDAudio.GetTotalTracks();
			m_bCDReady=true;
		}
		m_nCurrentTrack=m_CDAudio.GetCurrentTrack();
		m_CDAudio.GetTotalLength(&m_nTotalMinutes,&m_nTotalSeconds);
		m_CDAudio.GetTrackLength(m_nCurrentTrack,
				&m_nCurrentTrackMinutes,
				&m_nCurrentTrackSeconds);
		m_nCurrentMinute=m_CDAudio.GetMinutes();
		m_nCurrentSecond=m_CDAudio.GetSeconds();
		
		bPlaying=m_CDAudio.IsPlaying(&bPaused);
		if(!bPlaying && !m_bUserStoped)
		{
			// Play the CD.
			m_CDAudio.Play ();
		}
		else if(m_bUserStoped)
		{
			m_stUpText.SetText("Stopped...");
		}
		else if(bPaused)
		{
			m_stUpText.SetText("Paused...");
		}
		else
		{
			// Playing.
			// We'll judge if we have reach the end of the CD.
			if(m_nCurrentMinute==m_nCurrentTrackMinutes &&
				m_nCurrentSecond==m_nCurrentTrackSeconds)
			{
				m_stUpText.SetText(" Finished");
				if(m_bPlayCircle)
				{
					m_CDAudio.SeekTo(1,0,0,0);
				}
				else
				{
					m_CDAudio.Close();
				}
			}
			else
				m_stUpText.SetText("Playing...");
		}

		CString tempstr;
		tempstr.Format(" [%02d] %02d:%02d",m_nCurrentTrack,
						m_nCurrentMinute,m_nCurrentSecond);
		if(tempstr!=m_sCurTrack)
		{
			m_sCurTrack=tempstr;
			m_stDownText.SetText(m_sCurTrack);
		}
	}
	else
	{
		// Reset our vars.
		m_bCDReady=false;

		m_nTotalSeconds=0;
		m_nTotalMinutes=0;
		m_nCurrentTrackSeconds=0;
		m_nCurrentTrackMinutes=0;
		m_nCurrentTrack=0;
		m_nTotalTracks=0;		
		
		m_stUpText.SetText(" Not Ready...");
		m_stDownText.SetText(" CD Player");
	}
	// Reset the buttons.
	m_btnPlay.EnableWindow((m_bUserStoped && m_bCDReady)?TRUE:FALSE);
	m_btnStop.EnableWindow((bPlaying && m_bCDReady)?TRUE:FALSE);
	m_btnPause.EnableWindow((m_bCDReady && !m_bUserStoped)?TRUE:FALSE);
	m_btnFFword.EnableWindow((bPlaying && m_bCDReady)?TRUE:FALSE);
	m_btnFBword.EnableWindow((bPlaying && m_bCDReady)?TRUE:FALSE);
	m_btnEnd.EnableWindow((bPlaying && m_bCDReady)?TRUE:FALSE);
	m_btnStart.EnableWindow((bPlaying && m_bCDReady)?TRUE:FALSE);

	CDialog::OnTimer(nIDEvent);
}

BOOL CCDPlayerDlg::OnCommand(WPARAM wParam, LPARAM lParam) 
{
	// TODO: Add your specialized code here and/or call the base class
	// Get the selected track.
	int  index=LOWORD(wParam)-ID_TRACK01+1;
	// Make sure it is what we need.
	if(index<=m_nTotalTracks && index>=1)
	{
		m_CDAudio.SeekTo (index,0,0,0);
		m_CDAudio.Play ();
		m_nCurrentTrack=index;
	}
	return CDialog::OnCommand(wParam, lParam);
}

void CCDPlayerDlg::OnMenuNexttrack() 
{
	// TODO: Add your command handler code here
	if(m_nCurrentTrack==m_nTotalTracks)
	{
		// now it's the end,let's back.
		m_nCurrentTrack=1;
		m_CDAudio.SeekTo(1,0,0,0);
	}
	else
	{
		m_nCurrentTrack++;
		m_CDAudio.SeekTo (m_nCurrentTrack,0,0,0);
	}
	m_CDAudio.Play ();
}

void CCDPlayerDlg::OnMenuLast() 
{
	// TODO: Add your command handler code here
	if(m_nCurrentTrack==1)
	{
		// now it's the begining.
		m_nCurrentTrack=m_nTotalTracks;
		m_CDAudio.SeekTo(m_nCurrentTrack,0,0,0);
	}
	else
	{
		m_nCurrentTrack--;
		m_CDAudio.SeekTo (m_nCurrentTrack,0,0,0);
	}
	m_CDAudio.Play ();
}

void CCDPlayerDlg::OnButtonPause() 
{
	// TODO: Add your control notification handler code here
	BOOL bPaused;
	m_CDAudio.IsPlaying(&bPaused);
	if(!bPaused)
	{
		m_CDAudio.Pause ();
	}
	else
	{
		m_CDAudio.Play ();
	}
}

void CCDPlayerDlg::OnButtonFfword() 
{
	// TODO: Add your control notification handler code here
	int nSkipTime;  // Skip time
	int nTotalTime; // The track's total time.
	int nCurrentTime; // The playing time.
	nTotalTime=m_nCurrentTrackMinutes * 60 +m_nCurrentTrackSeconds;
	nCurrentTime=m_nCurrentMinute * 60 +m_nCurrentSecond;
	
	nSkipTime=nTotalTime / m_nTurnTimes;
	if(nCurrentTime+nSkipTime>=nTotalTime)
	{
		// Move to next track.
		OnMenuNexttrack();
	}
	else
	{
		nCurrentTime+=nSkipTime;
		m_nCurrentMinute=nCurrentTime / 60;
		m_nCurrentSecond=nCurrentTime % 60;
		m_CDAudio.SeekTo(m_nCurrentTrack,
			m_nCurrentMinute,
			m_nCurrentSecond,
			0);
	}
	m_CDAudio.Play();
}

void CCDPlayerDlg::OnButtonFbword() 
{
	// TODO: Add your control notification handler code here
	int nSkipTime;  // Skip time
	int nTotalTime; // The track's total time.
	int nCurrentTime; // The playing time.
	nTotalTime=m_nCurrentTrackMinutes * 60 +m_nCurrentTrackSeconds;
	nCurrentTime=m_nCurrentMinute * 60 +m_nCurrentSecond;
	
	nSkipTime=nTotalTime / m_nTurnTimes;
	if(nCurrentTime-nSkipTime<=0)
	{
		// Move to start.
		OnButtonStart();
	}
	else
	{
		nCurrentTime-=nSkipTime;
		m_nCurrentMinute=nCurrentTime / 60;
		m_nCurrentSecond=nCurrentTime % 60;
		m_CDAudio.SeekTo(m_nCurrentTrack,
			m_nCurrentMinute,
			m_nCurrentSecond,
			0);
	}
	m_CDAudio.Play();
}

bool CCDPlayerDlg::CanPlay()
{
	for(int i=1;i<=m_CDAudio.GetTotalTracks();i++)
	{
		if(m_CDAudio.IsAudioTrack(i))
			return true;
	}
	return false;
}

void CCDPlayerDlg::OnButtonEnd() 
{
	// TODO: Add your control notification handler code here
	OnMenuNexttrack();
}

void CCDPlayerDlg::OnButtonStart() 
{
	// TODO: Add your control notification handler code here
	m_CDAudio.SeekTo (m_nCurrentTrack,0,0,0);
	m_CDAudio.Play();
}

void CCDPlayerDlg::OnMenuEject() 
{
	// TODO: Add your command handler code here
	if(!m_CDAudio.IsDriveReady())
	{
		m_CDAudio.CloseDrive();
	}
	else
	{
		m_CDAudio.OpenDrive();
	}
}

void CCDPlayerDlg::OnMenuChageshape() 
{
	// TODO: Add your command handler code here
	CRect  rect;
	GetWindowRect(&rect);
	if(!m_bIsSmall)
	{
		// Move it to small.
		MoveWindow(rect.left,rect.top,
			BACKWIDTH,9);
		m_bIsSmall=true;
	}
	else
	{
		// Move it to small.
		MoveWindow(rect.left,rect.top,
			BACKWIDTH,BACKHEIGHT);
		m_bIsSmall=false;
	}
}

void CCDPlayerDlg::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	if(m_rStrUp.PtInRect(point) || m_rStrDown.PtInRect(point) )
		OnMenuShowmsg();
	else
		OnMenuChageshape();
	CDialog::OnLButtonDblClk(nFlags, point);
}

void CCDPlayerDlg::OnMenuTopmost() 
{
	// TODO: Add your command handler code here
	if(m_bIsTopmost)
	{
		::SetWindowPos(this->GetSafeHwnd(),HWND_NOTOPMOST,
				0,0,10,10,SWP_NOSIZE | SWP_NOMOVE);
		m_bIsTopmost=false;
	}
	else
	{
		::SetWindowPos(this->GetSafeHwnd(),HWND_TOPMOST,
				0,0,10,10,SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
		m_bIsTopmost=true;
	}
}

BOOL CAboutDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_mailLink.SetURL(_T("mailto:[e-mail]"));
	m_btnExit.SetIcon(IDI_ICON_EXIT);
	m_btnExit.SetFlat(FALSE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

BOOL CCDPlayerDlg::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	// We'll draw our background picture here.
	CDC     memDC;
	CBitmap	bitmap;
	bitmap.LoadBitmap(IDB_BITMAP_MAINBACK);
	memDC.CreateCompatibleDC (pDC);
	CBitmap *oldBitmap=memDC.SelectObject(&bitmap);
	pDC->BitBlt (0,0,BACKWIDTH,BACKHEIGHT,&memDC,0,0,SRCCOPY);
	memDC.SelectObject(oldBitmap);
	return TRUE;
}

HBRUSH CCDPlayerDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	
	// TODO: Return a different brush if the default is not desired
	CBrush  brush(m_clBkColor);
	HBRUSH  hBrush=HBRUSH(brush);
	return hBrush;
}

void CCDPlayerDlg::OnMenuShowmsg() 
{
	// TODO: Add your command handler code here
	if(m_bShowMsg)
	{
		m_stUpText.ShowWindow(SW_HIDE);
		m_stDownText.ShowWindow(SW_HIDE);
		m_bShowMsg=false;
	}
	else
	{
		m_stUpText.ShowWindow(SW_SHOWNORMAL);
		m_stDownText.ShowWindow(SW_SHOWNORMAL);
		m_bShowMsg=true;
	}
}
///////////////////////////////////////////////////////////
void CCDPlayerDlg::AdjustButtons()
{
	int space = (int)((BACKWIDTH - 2*AMPLIFIERWIDTH - 7*BTNWIDTH)/8);
	int start = AMPLIFIERWIDTH + space;
//	CString  str;
//	str.Format("%d",space);
//	MessageBox(str);
	m_btnPlay.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnStop.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnPause.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnFFword.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnFBword.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnEnd.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
	start += BTNWIDTH + space;
	m_btnStart.MoveWindow(CRect(start,BTNYPOS,start+BTNWIDTH,BTNYPOS+BTNWIDTH));
}