#include<afxwin.h>

#include "tehtava2.rh"


#define WM_VALUE_CHANGED (WM_USER+1)


//*********************************************************************************************
class CIntDlg : public CDialog
//*********************************************************************************************
{
  int			m_value;		//Kentän arvo inttinä
public:

  void SetData(int value)	 { m_value=value; };	//Aseta arvot
  void GetData(int &value) { value=m_value; };	//Palauta arvot

  virtual BOOL OnInitDialog()	{
    CDialog::OnInitDialog();			//Kutsuu DoExchangea ja laittaa 0:n edittiin

    CEdit *edit = (CEdit *) GetDlgItem(IDC_VALUE);
    edit->SetFocus();																//Valinta alussa edittiin
    return FALSE;
  };


  void DoDataExchange(CDataExchange* pDX);

  afx_msg void TextChanged() {
          CString Text;

          GetDlgItemText(IDC_VALUE,Text);
          if (Text.IsEmpty())
            GetDlgItem(IDOK)->EnableWindow(FALSE);	//Jos tyhjä, disabloi OK-button
          else {
            GetDlgItem(IDOK)->EnableWindow(TRUE);	//Jos ei tyhjä, enabloi OK-button
            UpdateData(TRUE);
            GetParent()->PostMessage(WM_VALUE_CHANGED,(UINT)this,0);	//Viesti pääikkunalle
          };
  };

  DECLARE_MESSAGE_MAP()
};


BEGIN_MESSAGE_MAP(CIntDlg, CDialog)
  ON_EN_CHANGE(IDC_VALUE,TextChanged)	//Käsittele editin EN_CHANGE viesti
END_MESSAGE_MAP()



//Käytetään hyväksi MFC:n valmiita makroja tietojen asettamiseksi
//---------------------------------------------------------------
void CIntDlg::DoDataExchange(CDataExchange* pDX)
//---------------------------------------------------------------
{
	CDialog::DoDataExchange(pDX);

	DDX_Text(pDX, IDC_VALUE, m_value);
};



//*********************************************************************************************
class COmaWin : public CFrameWnd
//*********************************************************************************************
{

		CIntDlg *pIntDlg;

	public:

		COmaWin() {
			Create(NULL,"Dialog Test");
			pIntDlg = new CIntDlg;
			pIntDlg->Create(IDD_INTDLG,this);
			pIntDlg->SetData(0);
			pIntDlg->UpdateData(FALSE);
		};

		virtual ~COmaWin() {
			if(pIntDlg) delete pIntDlg;
		};

		afx_msg void OnRButtonDown( UINT nFlags, CPoint point );

		afx_msg LONG DrawText(UINT wParam, LONG lParam);

		DECLARE_MESSAGE_MAP()
};




//------------------------------------------------------------------------
afx_msg void COmaWin::OnRButtonDown( UINT nFlags, CPoint point )
//------------------------------------------------------------------------
{

	if(!pIntDlg) return;

	pIntDlg->ShowWindow(SW_SHOW);
};


//------------------------------------------------------------------------
afx_msg LONG COmaWin::DrawText(UINT wParam, LONG lParam)
//------------------------------------------------------------------------
{
	CIntDlg *pDlg = (CIntDlg*)wParam;
	CDC *pDC			= GetDC();
	CString	Text;
	int value;
	CRect R;

	if(!pDC) return 0;

	GetClientRect(R);
	pDlg->GetData(value);

	Text.Format("Luku oli %d, heksana 0x%X",value,value);

	pDC->FillSolidRect(0,0,R.Width(),R.Height(),RGB(255,255,255));
	pDC->TextOut(30,30,Text);
	ReleaseDC(pDC);


	return 0;
};



BEGIN_MESSAGE_MAP(COmaWin,CFrameWnd)
	ON_WM_RBUTTONDOWN()
	ON_MESSAGE(WM_VALUE_CHANGED,DrawText)
END_MESSAGE_MAP()







//*********************************************************************************************
class COmaApp : public CWinApp
//*********************************************************************************************
{

	virtual BOOL InitInstance() {

		COmaWin *p = new COmaWin;

		m_pMainWnd = p;
		p->ShowWindow(SW_SHOW);
		p->UpdateWindow();

		return TRUE;
	};

};


COmaApp OmaApp;