checkbox.cpp

手机数据备份软件

// CheckBox.cpp: implementation of the CCheckBox class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "CheckBox.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCheckBox::CCheckBox()
{
	m_bFocus = FALSE;
}

CCheckBox::~CCheckBox()
{
	
}

int CCheckBox::GetCheck()
{
	return (m_bFocus?BST_CHECKED:BST_UNCHECKED);
}

void CCheckBox::SetCheck(int nState)
{
	m_bFocus = (nState==BST_CHECKED);
	RedrawWindow();
}

LRESULT CCheckBox::OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	// TODO : Add Code for message handler. Call DefWindowProc if necessary.
	CPaintDC dcMem(m_hWnd);
	
	CRect rect,rcClient;
	GetClientRect(&rect);
	rcClient = rect;
	
	// draw focus frame
	int nFrame = m_bFocus?BLACK_PEN:NULL_PEN;
	HPEN hOldPen = dcMem.SelectStockPen(nFrame);
	HBRUSH hBrush = dcMem.SelectStockBrush(WHITE_BRUSH);
	
	dcMem.Rectangle(rect);
	
	dcMem.SelectPen(hOldPen);
	dcMem.SelectBrush(hBrush);
	
	//draw button text
	TCHAR szText[MAX_PATH];
	int nSize = ::GetWindowText(m_hWnd,szText,MAX_PATH);
	szText[nSize]='\0';
	rect.right = rect.left + rect.Height();
	CRect rcText(rect.right,rect.top+2,rcClient.right,rcClient.bottom);
	dcMem.DrawText(szText,nSize,rcText,DT_CENTER);
	
	//draw selected flag
	rect -= CRect( 3,3,3,3);
	dcMem.Ellipse(&rect);
	rect -= CRect( 3,3,3,3);
	
	if(m_bFocus)
	{
		CBrush br;
		br.CreateSolidBrush(RGB(0,0,0));
		HBRUSH hOldBrush = dcMem.SelectBrush(br.m_hBrush);
		dcMem.Ellipse(&rect);
	}
	
	return 0;
}
LRESULT CCheckBox::OnKillFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	// TODO : Add Code for message handler. Call DefWindowProc if necessary.
	   m_bFocus = FALSE;
	   RedrawWindow();
	   return 0;
}
LRESULT CCheckBox::OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	// TODO : Add Code for message handler. Call DefWindowProc if necessary.
	   m_bFocus = TRUE;
	   RedrawWindow();
	   return 0;
}