TabSheet源码

TabSheet.h

#if !defined(AFX_TABSHEET_H__42EE262D_D15F_46D5_8F26_28FD049E99F4__INCLUDED_)
#define AFX_TABSHEET_H__42EE262D_D15F_46D5_8F26_28FD049E99F4__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// TabSheet.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CTabSheet window
#define MAXPAGE 16

class CTabSheet : public CTabCtrl
{
    // Construction
public:
    CTabSheet();

    // Attributes
public:

    // Operations
public:

    // Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CTabSheet)
    //}}AFX_VIRTUAL

    // Implementation
public:
    int GetCurSel();
    int SetCurSel(int nItem);
    void Show();
    void SetRect();
    BOOL AddPage(LPCTSTR title, CDialog *pDialog, UINT ID);
    virtual ~CTabSheet();

    // Generated message map functions
protected:
    LPCTSTR m_Title[MAXPAGE];
    UINT m_IDD[MAXPAGE];
    CDialog* m_pPages[MAXPAGE];
    int m_nNumOfPages;
    int m_nCurrentPage;
    //{{AFX_MSG(CTabSheet)
    afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
    //}}AFX_MSG

    DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_TABSHEET_H__42EE262D_D15F_46D5_8F26_28FD049E99F4__INCLUDED_)

TabSheet.cpp

// TabSheet.cpp : implementation file
//

#include "stdafx.h"
//#include "MyPos.h"
#include "TabSheet.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTabSheet

CTabSheet::CTabSheet()
{
    m_nNumOfPages = 0;
    m_nCurrentPage = 0;
}

CTabSheet::~CTabSheet()
{
}


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

/////////////////////////////////////////////////////////////////////////////
// CTabSheet message handlers

BOOL CTabSheet::AddPage(LPCTSTR title, CDialog *pDialog, UINT ID)
{
    if (MAXPAGE == m_nNumOfPages)
        return FALSE;

    m_nNumOfPages++;

    m_pPages[m_nNumOfPages - 1] = pDialog;
    m_IDD[m_nNumOfPages - 1] = ID;
    m_Title[m_nNumOfPages - 1] = title;

    return TRUE;
}

void CTabSheet::SetRect()
{
    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 - 2;
    nYc = tabRect.bottom - nY - 2;

    m_pPages[0]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_SHOWWINDOW);
    for (int nCount = 1; nCount < m_nNumOfPages; nCount++)
        m_pPages[nCount]->SetWindowPos(&wndTop, nX, nY, nXc, nYc, SWP_HIDEWINDOW);

}

void CTabSheet::Show()
{
    for (int i = 0; i < m_nNumOfPages; i++)
    {
        m_pPages[i]->Create(m_IDD[i], this);
        InsertItem(i, m_Title[i]);
    }

    m_pPages[0]->ShowWindow(SW_SHOW);
    for (int i = 1; i < m_nNumOfPages; i++)
        m_pPages[i]->ShowWindow(SW_HIDE);

    SetRect();

}

void CTabSheet::OnLButtonDown(UINT nFlags, CPoint point)
{
    CTabCtrl::OnLButtonDown(nFlags, point);

    if (m_nCurrentPage != GetCurFocus())
    {
        m_pPages[m_nCurrentPage]->ShowWindow(SW_HIDE);
        m_nCurrentPage = GetCurFocus();
        m_pPages[m_nCurrentPage]->ShowWindow(SW_SHOW);
        //      m_pPages[m_nCurrentPage]->SetFocus();
    }
}

int CTabSheet::SetCurSel(int nItem)
{
    if (nItem < 0 || nItem >= m_nNumOfPages)
        return -1;

    int ret = m_nCurrentPage;

    if (m_nCurrentPage != nItem)
    {
        m_pPages[m_nCurrentPage]->ShowWindow(SW_HIDE);
        m_nCurrentPage = nItem;
        m_pPages[m_nCurrentPage]->ShowWindow(SW_SHOW);
        //      m_pPages[m_nCurrentPage]->SetFocus();
        CTabCtrl::SetCurSel(nItem);
    }

    return ret;
}

int CTabSheet::GetCurSel()
{
    return CTabCtrl::GetCurSel();
}