// PattDlg.cpp : implementation file
//

#include "stdafx.h"
#include "demo.h"
#include "PattDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CPatternDlg dialog


CPatternDlg::CPatternDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPatternDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPatternDlg)
	m_nPattern = 0;
	//}}AFX_DATA_INIT
}


void CPatternDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPatternDlg)
	DDX_CBIndex(pDX, IDC_PATTERN, m_nPattern);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CPatternDlg, CDialog)
	//{{AFX_MSG_MAP(CPatternDlg)
	ON_BN_CLICKED(IDC_BACKCOLOR, OnBackcolor)
	ON_BN_CLICKED(IDC_FORECOLOR, OnForecolor)
	ON_WM_DRAWITEM()
	ON_CBN_SELCHANGE(IDC_PATTERN, OnSelchangePattern)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPatternDlg message handlers

L_UINT CPatternDlg::FindStyle()
{
   //given a style, get the index
   L_UINT uStyles[]=
   {
      EFX_PATTERN_SOLID,
      EFX_PATTERN_TRANSPARENT,
      EFX_PATTERN_HORZ_LINE,
      EFX_PATTERN_VERT_LINE,
      EFX_PATTERN_DOWNWARD_DIAG,
      EFX_PATTERN_UPWARD_DIAG,
      EFX_PATTERN_CROSS,
      EFX_PATTERN_DIAG_CROSS
   };

   m_uStyle = uStyles[m_nPattern];

   return m_uStyle;
}

int CPatternDlg::FindIndex()
{
   //given an index, get the style
   L_UINT uStyles[]=
   {
      EFX_PATTERN_SOLID,
      EFX_PATTERN_TRANSPARENT,
      EFX_PATTERN_HORZ_LINE,
      EFX_PATTERN_VERT_LINE,
      EFX_PATTERN_DOWNWARD_DIAG,
      EFX_PATTERN_UPWARD_DIAG,
      EFX_PATTERN_CROSS,
      EFX_PATTERN_DIAG_CROSS
   };

   for (L_UINT i=0; i<sizeof(uStyles)/sizeof(uStyles[0]);i++)
   {
      if (m_uStyle == uStyles[i])
      {
         m_nPattern = i;
         break;
      }
   }
   return m_nPattern;
}

void CPatternDlg::OnBackcolor() 
{
	// TODO: Add your control notification handler code here
   if (GetColor(m_crBack))
       GetDlgItem(IDC_BACKCOLOR)->Invalidate();
}

void CPatternDlg::OnForecolor() 
{
	// TODO: Add your control notification handler code here
	if (GetColor(m_crFore))
       GetDlgItem(IDC_FORECOLOR)->Invalidate();
}

BOOL CPatternDlg::GetColor(COLORREF & crColor)
{
      CHOOSECOLOR color;
      
      COLORREF CustomColors[16] =
      {
         RGB(0, 0, 0),
         RGB(128, 0, 0),
         RGB(0, 128, 0),
         RGB(128, 128, 0),
         RGB(0, 0, 128),
         RGB(128, 0, 128),
         RGB(0, 128, 128),
         RGB(128, 128, 128),
         RGB(192, 192, 192),
         RGB(255, 0, 0),
         RGB(0, 255, 0),
         RGB(255, 255, 0),
         RGB(0, 0, 255),
         RGB(255, 0, 255),
         RGB(0, 255, 255),
         RGB(255, 255, 255),
      };

      memset(&color, 0, sizeof(CHOOSECOLOR));
      color.lStructSize = sizeof(CHOOSECOLOR);
      color.hwndOwner = GetOwner()->m_hWnd;
      color.rgbResult = crColor;
      color.lpCustColors = CustomColors;
      color.Flags = CC_FULLOPEN | CC_RGBINIT;

      if( ChooseColor(&color) )
      {
         crColor = color.rgbResult;
         return TRUE;
      }
      return FALSE;
}

void CPatternDlg::OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDS) 
{
	// TODO: Add your message handler code here and/or call default
   CBrush brush;
   LOGBRUSH logBrush;
   CDC * pDC = CDC::FromHandle(lpDS->hDC);

   logBrush.lbStyle = BS_SOLID;
	switch (nIDCtl)
   {
   case IDC_BACKCOLOR:
      {
         logBrush.lbColor = m_crBack;
      }
      break;

   case IDC_FORECOLOR:
      {
         logBrush.lbColor = m_crFore;
      }
      break;
   }
   
   brush.CreateBrushIndirect(&logBrush);
   CBrush * pBrushOld = pDC->SelectObject(&brush);
   pDC->Rectangle(&lpDS->rcItem);
   pDC->SelectObject(pBrushOld);

	CDialog::OnDrawItem(nIDCtl, lpDS);
}

void CPatternDlg::OnSelchangePattern() 
{
	// TODO: Add your control notification handler code here
   UpdateData();
   FindStyle();	
}

BOOL CPatternDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	
   FindIndex();
   CComboBox * pCombo = (CComboBox *) GetDlgItem(IDC_PATTERN);
   if (pCombo)
       pCombo->SetCurSel(m_nPattern);

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