tabctrl.cpp

一个在对话框中的Tab控件的实现例子

// Tabctrl.cpp : implementation file
//

#include "stdafx.h"
#include "TAB.h"
#include "Tabctrl.h"

#include "Page1.h"
#include "Page2.h"
#include "Page3.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTabctrl

CTabctrl::CTabctrl()
{
	m_tabPages[0]=new CPage1;
	m_tabPages[1]=new CPage2;
	m_tabPages[2]=new CPage3;
	
	m_nNumberOfPages=3;
}

CTabctrl::~CTabctrl()
{
	for(int nCount=0; nCount < m_nNumberOfPages; nCount++)
	{
		delete m_tabPages[nCount];
	}
}
void CTabctrl::Init()
{
	m_tabCurrent=0;
	
	m_tabPages[0]->Create(IDD_PAGE1, this);
	m_tabPages[1]->Create(IDD_PAGE2, this);
	m_tabPages[2]->Create(IDD_PAGE3, this);
	
	m_tabPages[0]->ShowWindow(SW_SHOW);
	m_tabPages[1]->ShowWindow(SW_HIDE);
	m_tabPages[2]->ShowWindow(SW_HIDE);
	
	SetRectangle();
}

void CTabctrl::SetRectangle()
{
	CRect tabRect, itemRect;
	int nX, nY, nXc, nYc;
	
	GetClientRect(&tabRect);
	GetItemRect(0, &itemRect);
	
	nX=itemRect.left;
	nY=itemRect.bottom+1;
	nXc=tabRect.right-itemRect.left-1;
	nYc=tabRect.bottom-nY-1;
	
	m_tabPages[0]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_SHOWWINDOW);
	
	for(int nCount=1; nCount < m_nNumberOfPages; nCount++)
	{
		m_tabPages[nCount]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_HIDEWINDOW);
	}
}


BEGIN_MESSAGE_MAP(CTabctrl, CTabCtrl)
	//{{AFX_MSG_MAP(CTabctrl)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTabctrl message handlers


void CTabctrl::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	CTabCtrl::OnLButtonDown(nFlags, point);
	if(m_tabCurrent != GetCurFocus())
	{
		m_tabPages[m_tabCurrent]->ShowWindow(SW_HIDE);
		m_tabCurrent=GetCurFocus();
		m_tabPages[m_tabCurrent]->ShowWindow(SW_SHOW);
		m_tabPages[m_tabCurrent]->SetFocus();
	}
}