spindlg.cpp

一个自定义的SPIN控件

// SpinDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SpinEditCtrl.h"
#include "SpinDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSpinDlg dialog


CSpinDlg::CSpinDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSpinDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSpinDlg)
	m_bNeedText = FALSE;
	m_strExtraText = _T("");
	m_dbMax = 0.0;
	m_dbMin = 0.0;
	m_bPos = 0;
	m_dbStep = 0.0;
	m_nDataType = -1;
	//}}AFX_DATA_INIT
}


void CSpinDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSpinDlg)
	DDX_Check(pDX, IDC_CHECKTEXT, m_bNeedText);
	DDX_Text(pDX, IDC_EDITEXTRATEXT, m_strExtraText);
	DDX_Text(pDX, IDC_EDITMAX, m_dbMax);
	DDX_Text(pDX, IDC_EDITMIN, m_dbMin);
	DDX_Text(pDX, IDC_EDITPOINT, m_bPos);
	DDX_Text(pDX, IDC_EDITSTEP, m_dbStep);
	DDX_Radio(pDX, IDC_RADIOINT, m_nDataType);
	//}}AFX_DATA_MAP
	DDX_SpinEditControl(pDX, IDC_SPINEDIT, m_SpinEdit);
}


BEGIN_MESSAGE_MAP(CSpinDlg, CDialog)
	//{{AFX_MSG_MAP(CSpinDlg)
	ON_BN_CLICKED(IDC_RADIOINT, OnRadioint)
	ON_BN_CLICKED(IDC_RADIOFLOAT, OnRadiofloat)
	ON_BN_CLICKED(IDC_RADIODOUBLE, OnRadiodouble)
	ON_BN_CLICKED(IDC_BTNAPPLYPARAM, OnBtnapplyparam)
	ON_BN_CLICKED(IDC_CHECKTEXT, OnChecktext)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSpinDlg message handlers

void CSpinDlg::OnRadioint() 
{
	m_dbStep	= 0;
	m_nDataType = SE_INT;
	UpdateData( FALSE );	
}

void CSpinDlg::OnRadiofloat() 
{
	m_dbStep	= 0;
	m_nDataType = SE_FLOAT;
	UpdateData( FALSE );	
}

void CSpinDlg::OnRadiodouble() 
{
	m_dbStep	= 0;
	m_nDataType = SE_DOUBLE;
	UpdateData( FALSE );	
}

void CSpinDlg::OnBtnapplyparam() 
{
	UpdateData( TRUE );
	if( m_dbMin > m_dbMax )
	{
		double dbTemp = m_dbMin; m_dbMin = m_dbMax; m_dbMax = dbTemp;
	}
	if( m_dbStep>(m_dbMax-m_dbMin) )
	{
		m_dbStep = m_dbMax-m_dbMin;
	}
	UpdateData( FALSE );

	m_SpinEdit.SetParams( m_nDataType,	
						m_bPos,
						m_dbMin,
						m_dbMin,
						m_dbMin, m_dbMax,		
						m_dbStep,
						m_bNeedText,
						m_strExtraText);	
}

void CSpinDlg::OnChecktext() 
{
	UpdateData( TRUE );
	if( m_bNeedText )
	{
		GetDlgItem( IDC_EDITEXTRATEXT )->EnableWindow( TRUE );
	}
	else
	{
		GetDlgItem( IDC_EDITEXTRATEXT )->EnableWindow( FALSE );
	}	
}

BOOL CSpinDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_nDataType		= SE_DOUBLE;
	m_dbMin			= 0;
	m_dbMax			= 10;
	m_dbStep		= 0.01;
	m_bPos			= 2;
	m_bNeedText		= TRUE;
	m_strExtraText	= _T("公里/小时");
	m_SpinEdit.SetParams( m_nDataType,	
						m_bPos,
						m_dbMin,
						m_dbMin,
						m_dbMin, m_dbMax,		
						m_dbStep,
						m_bNeedText,
						m_strExtraText);
	UpdateData( FALSE );
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}