// Greg Stitt, Ann Gordon-Ross

// RotateDlg.cpp : implementation file
//

#include "stdafx.h"
#include "vahid.h"
#include "RotateDlg.h"

#define LCD_SIZE 16

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

/////////////////////////////////////////////////////////////////////////////
// CRotateDlg dialog


CRotateDlg::CRotateDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRotateDlg::IDD, pParent)
{
	char_counter = 0;

	//{{AFX_DATA_INIT(CRotateDlg)
	m_nSpeed = 0;
	//}}AFX_DATA_INIT
}


void CRotateDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRotateDlg)
	DDX_Text(pDX, IDC_EDITSPEED, m_nSpeed);
	DDV_MinMaxInt(pDX, m_nSpeed, 1, 10);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CRotateDlg, CDialog)
	//{{AFX_MSG_MAP(CRotateDlg)
	ON_WM_TIMER()
	ON_WM_VSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRotateDlg message handlers

BOOL CRotateDlg::OnInitDialog() 
{
	m_rich = (CRichEditCtrl*) GetDlgItem(IDC_RICHEDIT_PREVIEW);

	// set spin range
	
	CSpinButtonCtrl* spin = (CSpinButtonCtrl*) GetDlgItem(IDC_SPINSPEED);
	CEdit* edit = (CEdit*) GetDlgItem(IDC_EDITSPEED);

	spin->SetRange(1,10);
	spin->SetPos(m_nSpeed);

	// fills in extra space in preview text

	CString temp;
	for (int i = 0; i < LCD_SIZE; i ++)
		temp += " ";

	preview_text = temp + preview_text;
	
	// create and change font

	CHARFORMAT cf;
	cf.cbSize = sizeof(CHARFORMAT);
	cf.dwMask = CFM_BOLD | CFM_FACE | CFM_SIZE;
	cf.dwEffects = CFE_BOLD;
	cf.yHeight = 14 * 20;
	strcpy(cf.szFaceName, "Courier");
	cf.bCharSet = 0;
	cf.bPitchAndFamily = 0;
	m_rich->SetDefaultCharFormat(cf);
	
	CDialog::OnInitDialog();

	// TODO: Add extra initialization here

	SetTimer(1, 100 * m_nSpeed, NULL);

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

void CRotateDlg::OnTimer(UINT nIDEvent) 
{
	// rotates text

	m_rich->SetWindowText(preview_text.Mid(char_counter, char_counter + LCD_SIZE));	
	char_counter = char_counter < preview_text.GetLength() ? char_counter + 1 : 0;
}

// changes the rotate speed when the scroll bar is used

void CRotateDlg::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	m_nSpeed = ((CSpinButtonCtrl*) pScrollBar)->GetPos();
	SetTimer(1, 100 * m_nSpeed, NULL);
}