bitbutton.cpp

使用VC6开发 通过并口操作IIC 使用winio驱动操作并口

// BitButton.cpp : implementation file
//

#include "stdafx.h"
#include "iic.h"
#include "BitButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBitButton

CBitButton::CBitButton()
{
	m_bit = 0;
	m_checked = 0;
}

CBitButton::~CBitButton()
{
}


BEGIN_MESSAGE_MAP(CBitButton, CButton)
	//{{AFX_MSG_MAP(CBitButton)
	ON_WM_RBUTTONDOWN()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONDBLCLK()
	ON_WM_LBUTTONUP()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBitButton message handlers

void CBitButton::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CButton::OnLButtonDown(nFlags, point);
	if(GetCheck()==0)
		SetCheck(1);
	else
		SetCheck(0);
	m_checked = GetCheck();
}

bool CBitButton::GetBit(BYTE &val, int nbits)
{
	BYTE i = 1<<nbits;
	if(m_bit)
		val = val|i;
	else
		val = val&(~i);
	return m_bit;
}

bool CBitButton::GetBit()
{
	return m_bit;
}

//DEL void CBitButton::OnMButtonDown(UINT nFlags, CPoint point) 
//DEL {
//DEL 	// TODO: Add your message handler code here and/or call default
//DEL 	CButton::OnLButtonDown(nFlags, point);
//DEL }

void CBitButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CString str;
	this->GetWindowText(str);
	char c = str.GetAt(str.GetLength()-1);
	if(c == '0'){
		c = '1';
		m_bit = 1;
	}
	else{
		c = '0';
		m_bit = 0;
	}
	str.SetAt((str.GetLength()-1),c);
	this->SetWindowText(str);
	CWnd::OnLButtonDown(nFlags, point);
}

void CBitButton::SetBit(bool b)
{
	CString str;
	this->GetWindowText(str);
	char c;
	if(b){
		c = '1';
		m_bit = 1;
	}
	else{
		c = '0';
		m_bit = 0;
	}
	str.SetAt((str.GetLength()-1),c);
	this->SetWindowText(str);	
}

void CBitButton::OnLButtonDblClk(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	return;
	CButton::OnLButtonDblClk(nFlags, point);
}

void CBitButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CWnd::OnLButtonUp(nFlags, point);
	SetCheck(m_checked);
}