Wrapper class for playing video with the VMR9

// OptionsDialog.cpp : implementation file
//

#include "stdafx.h"
#include "VMR9Demo.h"
#include "OptionsDialog.h"

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

/////////////////////////////////////////////////////////////////////////////
// COptionsDialog dialog


COptionsDialog::COptionsDialog(CWnd* pParent /*=NULL*/)
	: CDialog(COptionsDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(COptionsDialog)
	m_nLeft = 0;
	m_nRight = 0;
	m_nTop = 0;
	m_nBottom = 0;
	//}}AFX_DATA_INIT
	m_pGraph = NULL;
	m_nLayer = 0;
}


void COptionsDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(COptionsDialog)
	DDX_Control(pDX, IDC_SLIDER1, m_sliderCtrl);
	DDX_Text(pDX, IDC_EDIT1, m_nLeft);
	DDX_Text(pDX, IDC_EDIT2, m_nRight);
	DDX_Text(pDX, IDC_EDIT3, m_nTop);
	DDX_Text(pDX, IDC_EDIT4, m_nBottom);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(COptionsDialog, CDialog)
	//{{AFX_MSG_MAP(COptionsDialog)
	ON_BN_CLICKED(IDC_OPTION_APPLY, OnOptionApply)
	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER1, OnReleasedcaptureSlider1)
	ON_WM_HSCROLL()
	ON_WM_CLOSE()
	ON_WM_SHOWWINDOW()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// COptionsDialog message handlers


// Function name	: COptionsDialog::SetGraph
// Description	    : 
// Return type		: void 
// Argument         : CVMR9Graph* pGraph
void COptionsDialog::SetGraph(CVMR9Graph* pGraph)
{
	m_pGraph = pGraph;
}


// Function name	: COptionsDialog::SetLayerNumber
// Description	    : 
// Return type		: void 
// Argument         : int nLayer
void COptionsDialog::SetLayerNumber(int nLayer)
{
	m_nLayer = nLayer;
}


// Function name	: COptionsDialog::OnOptionApply
// Description	    : 
// Return type		: void 
void COptionsDialog::OnOptionApply() 
{
	UpdateData(TRUE);
	CRect newRect(m_nLeft, m_nTop, m_nRight, m_nBottom);

	m_pGraph->SetLayerRect(m_nLayer, newRect);
}


// Function name	: COptionsDialog::OnInitDialog
// Description	    : 
// Return type		: BOOL 
BOOL COptionsDialog::OnInitDialog() 
{
	CDialog::OnInitDialog();

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}


// Function name	: COptionsDialog::OnReleasedcaptureSlider1
// Description	    : 
// Return type		: void 
// Argument         : NMHDR* pNMHDR
// Argument         : LRESULT* pResult
void COptionsDialog::OnReleasedcaptureSlider1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	*pResult = 0;
}


// Function name	: COptionsDialog::OnHScroll
// Description	    : 
// Return type		: void 
// Argument         : UINT nSBCode
// Argument         : UINT nPos
// Argument         : CScrollBar* pScrollBar
void COptionsDialog::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	int nAlpha = m_sliderCtrl.GetPos();

	m_pGraph->SetAlphaLayer(m_nLayer, nAlpha);
	
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void COptionsDialog::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	ShowWindow(SW_HIDE);
	
	//CDialog::OnClose();
}

void COptionsDialog::OnShowWindow(BOOL bShow, UINT nStatus) 
{
	CDialog::OnShowWindow(bShow, nStatus);
	
	if (bShow) {
		CString szTitle;
		szTitle.Format("Layer %d options", m_nLayer+1);
		SetWindowText(szTitle);

		if (m_pGraph->GetVideoRect(&m_videoRect)) {
			m_nLeft			= m_videoRect.left;
			m_nRight		= m_videoRect.right;
			m_nTop			= m_videoRect.top;
			m_nBottom		= m_videoRect.bottom;
			UpdateData(FALSE);
			m_sliderCtrl.SetRange(0, 100);
			m_sliderCtrl.SetPos(m_pGraph->GetAlphaLayer(m_nLayer));
		}
	}
}