atlctrlx.h

// Windows Template Library - WTL version 9.10
// Copyright (C) Microsoft Corporation, WTL Team. All rights reserved.
//
// This file is a part of the Windows Template Library.
// The use and distribution terms for this software are covered by the
// Microsoft Public License (http://opensource.org/licenses/MS-PL)
// which can be found in the file MS-PL.txt at the root folder.

#ifndef __ATLCTRLX_H__
#define __ATLCTRLX_H__

#pragma once

#ifndef __ATLAPP_H__
    #error atlctrlx.h requires atlapp.h to be included first
#endif

#ifndef __ATLCTRLS_H__
    #error atlctrlx.h requires atlctrls.h to be included first
#endif

#ifndef WM_UPDATEUISTATE
  #define WM_UPDATEUISTATE                0x0128
#endif // !WM_UPDATEUISTATE


// Classes in this file:
//
// CBitmapButtonImpl<T, TBase, TWinTraits>
// CBitmapButton
// CCheckListViewCtrlImpl<T, TBase, TWinTraits>
// CCheckListViewCtrl
// CHyperLinkImpl<T, TBase, TWinTraits>
// CHyperLink
// CWaitCursor
// CCustomWaitCursor
// CMultiPaneStatusBarCtrlImpl<T, TBase>
// CMultiPaneStatusBarCtrl
// CPaneContainerImpl<T, TBase, TWinTraits>
// CPaneContainer
// CSortListViewImpl<T>
// CSortListViewCtrlImpl<T, TBase, TWinTraits>
// CSortListViewCtrl
// CTabViewImpl<T, TBase, TWinTraits>
// CTabView

namespace WTL
{

// CBitmapButton - bitmap button implementation

#ifndef _WIN32_WCE

// bitmap button extended styles
#define BMPBTN_HOVER            0x00000001
#define BMPBTN_AUTO3D_SINGLE    0x00000002
#define BMPBTN_AUTO3D_DOUBLE    0x00000004
#define BMPBTN_AUTOSIZE         0x00000008
#define BMPBTN_SHAREIMAGELISTS  0x00000010
#define BMPBTN_AUTOFIRE         0x00000020
#define BMPBTN_CHECK            0x00000040
#define BMPBTN_AUTOCHECK        0x00000080

// Note: BMPBTN_CHECK/BMPBTN_AUTOCHECK disables BN_DOUBLECLICKED,
// BMPBTN_AUTOFIRE doesn't work with BMPBTN_CHECK/BMPBTN_AUTOCHECK

template <class T, class TBase = CButton, class TWinTraits = ATL::CControlWinTraits>
class ATL_NO_VTABLE CBitmapButtonImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >
{
public:
    DECLARE_WND_SUPERCLASS(NULL, TBase::GetWndClassName())

    enum
    {
        _nImageNormal = 0,
        _nImagePushed,
        _nImageFocusOrHover,
        _nImageDisabled,

        _nImageCount = 4,
    };

    enum
    {
        ID_TIMER_FIRST = 1000,
        ID_TIMER_REPEAT = 1001
    };

    // Bitmap button specific extended styles
    DWORD m_dwExtendedStyle;

    CImageList m_ImageList;
    int m_nImage[_nImageCount];

    CToolTipCtrl m_tip;
    LPTSTR m_lpstrToolTipText;

    // Internal states
    unsigned m_fMouseOver:1;
    unsigned m_fFocus:1;
    unsigned m_fPressed:1;
    unsigned m_fChecked:1;


// Constructor/Destructor
    CBitmapButtonImpl(DWORD dwExtendedStyle = BMPBTN_AUTOSIZE, HIMAGELIST hImageList = NULL) : 
                      m_dwExtendedStyle(dwExtendedStyle), m_ImageList(hImageList), 
                      m_lpstrToolTipText(NULL),
                      m_fMouseOver(0), m_fFocus(0), m_fPressed(0), m_fChecked(0)
    {
        m_nImage[_nImageNormal] = -1;
        m_nImage[_nImagePushed] = -1;
        m_nImage[_nImageFocusOrHover] = -1;
        m_nImage[_nImageDisabled] = -1;

#ifdef _DEBUG
        if(((m_dwExtendedStyle & BMPBTN_AUTOFIRE) != 0) && IsCheckMode())
            ATLTRACE2(atlTraceUI, 0, _T("CBitmapButtonImpl - Check mode and BMPBTN_AUTOFIRE cannot be used together, BMPBTN_AUTOFIRE will be ignored.\n"));
#endif // _DEBUG
    }

    ~CBitmapButtonImpl()
    {
        if((m_dwExtendedStyle & BMPBTN_SHAREIMAGELISTS) == 0)
            m_ImageList.Destroy();
        delete [] m_lpstrToolTipText;
    }

    // overridden to provide proper initialization
    BOOL SubclassWindow(HWND hWnd)
    {
#if (_MSC_VER >= 1300)
        BOOL bRet = ATL::CWindowImpl< T, TBase, TWinTraits >::SubclassWindow(hWnd);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        BOOL bRet = _baseClass::SubclassWindow(hWnd);
#endif // !(_MSC_VER >= 1300)
        if(bRet != FALSE)
        {
            T* pT = static_cast<T*>(this);
            pT->Init();
        }

        return bRet;
    }

// Attributes
    DWORD GetBitmapButtonExtendedStyle() const
    {
        return m_dwExtendedStyle;
    }

    DWORD SetBitmapButtonExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
    {
        DWORD dwPrevStyle = m_dwExtendedStyle;
        if(dwMask == 0)
            m_dwExtendedStyle = dwExtendedStyle;
        else
            m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);

#ifdef _DEBUG
        if(((m_dwExtendedStyle & BMPBTN_AUTOFIRE) != 0) && IsCheckMode())
            ATLTRACE2(atlTraceUI, 0, _T("CBitmapButtonImpl - Check mode and BMPBTN_AUTOFIRE cannot be used together, BMPBTN_AUTOFIRE will be ignored.\n"));
#endif // _DEBUG

        return dwPrevStyle;
    }

    HIMAGELIST GetImageList() const
    {
        return m_ImageList;
    }

    HIMAGELIST SetImageList(HIMAGELIST hImageList)
    {
        HIMAGELIST hImageListPrev = m_ImageList;
        m_ImageList = hImageList;
        if((m_dwExtendedStyle & BMPBTN_AUTOSIZE) != 0 && ::IsWindow(m_hWnd))
            SizeToImage();

        return hImageListPrev;
    }

    int GetToolTipTextLength() const
    {
        return (m_lpstrToolTipText == NULL) ? -1 : lstrlen(m_lpstrToolTipText);
    }

    bool GetToolTipText(LPTSTR lpstrText, int nLength) const
    {
        ATLASSERT(lpstrText != NULL);
        if(m_lpstrToolTipText == NULL)
            return false;

        errno_t nRet = SecureHelper::strncpy_x(lpstrText, nLength, m_lpstrToolTipText, _TRUNCATE);

        return (nRet == 0 || nRet == STRUNCATE);
    }

    bool SetToolTipText(LPCTSTR lpstrText)
    {
        if(m_lpstrToolTipText != NULL)
        {
            delete [] m_lpstrToolTipText;
            m_lpstrToolTipText = NULL;
        }

        if(lpstrText == NULL)
        {
            if(m_tip.IsWindow())
                m_tip.Activate(FALSE);
            return true;
        }

        int cchLen = lstrlen(lpstrText) + 1;
        ATLTRY(m_lpstrToolTipText = new TCHAR[cchLen]);
        if(m_lpstrToolTipText == NULL)
            return false;

        SecureHelper::strcpy_x(m_lpstrToolTipText, cchLen, lpstrText);
        if(m_tip.IsWindow())
        {
            m_tip.Activate(TRUE);
            m_tip.AddTool(m_hWnd, m_lpstrToolTipText);
        }

        return true;
    }

    bool GetCheck() const
    {
        return (m_fChecked == 1);
    }

    void SetCheck(bool bCheck, bool bUpdate = true)
    {
        m_fChecked = bCheck ? 1 : 0;

        if(bUpdate)
        {
            Invalidate();
            UpdateWindow();
        }
    }

// Operations
    void SetImages(int nNormal, int nPushed = -1, int nFocusOrHover = -1, int nDisabled = -1)
    {
        if(nNormal != -1)
            m_nImage[_nImageNormal] = nNormal;
        if(nPushed != -1)
            m_nImage[_nImagePushed] = nPushed;
        if(nFocusOrHover != -1)
            m_nImage[_nImageFocusOrHover] = nFocusOrHover;
        if(nDisabled != -1)
            m_nImage[_nImageDisabled] = nDisabled;
    }

    BOOL SizeToImage()
    {
        ATLASSERT(::IsWindow(m_hWnd) && m_ImageList.m_hImageList != NULL);
        int cx = 0;
        int cy = 0;
        if(!m_ImageList.GetIconSize(cx, cy))
            return FALSE;
        return ResizeClient(cx, cy);
    }

// Overrideables
    void DoPaint(CDCHandle dc)
    {
        ATLASSERT(m_ImageList.m_hImageList != NULL);   // image list must be set
        ATLASSERT(m_nImage[0] != -1);                  // main bitmap must be set

        // set bitmap according to the current button state
        bool bHover = IsHoverMode();
        bool bPressed = (m_fPressed == 1) || (IsCheckMode() && (m_fChecked == 1));
        int nImage = -1;
        if(!IsWindowEnabled())
            nImage = m_nImage[_nImageDisabled];
        else if(bPressed)
            nImage = m_nImage[_nImagePushed];
        else if((!bHover && (m_fFocus == 1)) || (bHover && (m_fMouseOver == 1)))
            nImage = m_nImage[_nImageFocusOrHover];

        // if none is set, use default one
        if(nImage == -1)
            nImage = m_nImage[_nImageNormal];

        // draw the button image
        bool bAuto3D = (m_dwExtendedStyle & (BMPBTN_AUTO3D_SINGLE | BMPBTN_AUTO3D_DOUBLE)) != 0;
        int xyPos = (bPressed && bAuto3D && (m_nImage[_nImagePushed] == -1)) ? 1 : 0;
        m_ImageList.Draw(dc, nImage, xyPos, xyPos, ILD_NORMAL);

        // draw 3D border if required
        if(bAuto3D)
        {
            RECT rect = { 0 };
            GetClientRect(&rect);

            if(bPressed)
                dc.DrawEdge(&rect, ((m_dwExtendedStyle & BMPBTN_AUTO3D_SINGLE) != 0) ? BDR_SUNKENOUTER : EDGE_SUNKEN, BF_RECT);
            else if(!bHover || (m_fMouseOver == 1))
                dc.DrawEdge(&rect, ((m_dwExtendedStyle & BMPBTN_AUTO3D_SINGLE) != 0) ? BDR_RAISEDINNER : EDGE_RAISED, BF_RECT);

            if(!bHover && (m_fFocus == 1))
            {
                ::InflateRect(&rect, -2 * ::GetSystemMetrics(SM_CXEDGE), -2 * ::GetSystemMetrics(SM_CYEDGE));
                dc.DrawFocusRect(&rect);
            }
        }
    }

// Message map and handlers
    BEGIN_MSG_MAP(CBitmapButtonImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_RANGE_HANDLER(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseMessage)
        MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
        MESSAGE_HANDLER(WM_PAINT, OnPaint)
        MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
        MESSAGE_HANDLER(WM_SETFOCUS, OnFocus)
        MESSAGE_HANDLER(WM_KILLFOCUS, OnFocus)
        MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
        MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDblClk)
        MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
        MESSAGE_HANDLER(WM_CAPTURECHANGED, OnCaptureChanged)
        MESSAGE_HANDLER(WM_ENABLE, OnEnable)
        MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
        MESSAGE_HANDLER(WM_MOUSELEAVE, OnMouseLeave)
        MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
        MESSAGE_HANDLER(WM_KEYUP, OnKeyUp)
        MESSAGE_HANDLER(WM_TIMER, OnTimer)
        MESSAGE_HANDLER(WM_UPDATEUISTATE, OnUpdateUiState)
    END_MSG_MAP()

    LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        T* pT = static_cast<T*>(this);
        pT->Init();

        bHandled = FALSE;
        return 1;
    }

    LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_tip.IsWindow())
        {
            m_tip.DestroyWindow();
            m_tip.m_hWnd = NULL;
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnMouseMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        MSG msg = { m_hWnd, uMsg, wParam, lParam };
        if(m_tip.IsWindow())
            m_tip.RelayEvent(&msg);
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return 1;   // no background needed
    }

    LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        if(wParam != NULL)
        {
            pT->DoPaint((HDC)wParam);
        }
        else
        {
            CPaintDC dc(m_hWnd);
            pT->DoPaint(dc.m_hDC);
        }
        return 0;
    }

    LRESULT OnFocus(UINT uMsg, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        m_fFocus = (uMsg == WM_SETFOCUS) ? 1 : 0;
        Invalidate();
        UpdateWindow();
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnLButtonDown(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = 0;
        if(IsHoverMode())
            SetCapture();
        else
            lRet = DefWindowProc(uMsg, wParam, lParam);
        if(::GetCapture() == m_hWnd)
        {
            m_fPressed = 1;
            Invalidate();
            UpdateWindow();
        }
        if(((m_dwExtendedStyle & BMPBTN_AUTOFIRE) != 0) && !IsCheckMode())
        {
            int nElapse = 250;
            int nDelay = 0;
            if(::SystemParametersInfo(SPI_GETKEYBOARDDELAY, 0, &nDelay, 0))
                nElapse += nDelay * 250;   // all milli-seconds
            SetTimer(ID_TIMER_FIRST, nElapse);
        }
        return lRet;
    }

    LRESULT OnLButtonDblClk(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = 0;
        if(!IsHoverMode() && !IsCheckMode())
            lRet = DefWindowProc(uMsg, wParam, lParam);
        if(::GetCapture() != m_hWnd)
            SetCapture();
        if(m_fPressed == 0)
        {
            m_fPressed = 1;
            Invalidate();
            UpdateWindow();
        }
        return lRet;
    }

    LRESULT OnLButtonUp(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(((m_dwExtendedStyle & BMPBTN_AUTOCHECK) != 0) && (m_fPressed == 1))
            SetCheck(!GetCheck(), false);

        LRESULT lRet = 0;
        if(!IsHoverMode() && !IsCheckMode())
            lRet = DefWindowProc(uMsg, wParam, lParam);
        if(::GetCapture() == m_hWnd)
        {
            if((IsHoverMode() || IsCheckMode()) && (m_fPressed == 1))
                ::SendMessage(GetParent(), WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(), BN_CLICKED), (LPARAM)m_hWnd);
            ::ReleaseCapture();
        }
        return lRet;
    }

    LRESULT OnCaptureChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_fPressed == 1)
        {
            m_fPressed = 0;
            Invalidate();
            UpdateWindow();
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnEnable(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        Invalidate();
        UpdateWindow();
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(::GetCapture() == m_hWnd)
        {
            POINT ptCursor = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
            ClientToScreen(&ptCursor);
            RECT rect = { 0 };
            GetWindowRect(&rect);
            unsigned int uPressed = ::PtInRect(&rect, ptCursor) ? 1 : 0;
            if(m_fPressed != uPressed)
            {
                m_fPressed = uPressed;
                Invalidate();
                UpdateWindow();
            }
        }
        else if(IsHoverMode() && m_fMouseOver == 0)
        {
            m_fMouseOver = 1;
            Invalidate();
            UpdateWindow();
            StartTrackMouseLeave();
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnMouseLeave(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(m_fMouseOver == 1)
        {
            m_fMouseOver = 0;
            Invalidate();
            UpdateWindow();
        }
        return 0;
    }

    LRESULT OnKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(wParam == VK_SPACE && IsHoverMode())
            return 0;   // ignore if in hover mode
        if(wParam == VK_SPACE && m_fPressed == 0)
        {
            m_fPressed = 1;
            Invalidate();
            UpdateWindow();
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnKeyUp(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(wParam == VK_SPACE && IsHoverMode())
            return 0;   // ignore if in hover mode
        if(wParam == VK_SPACE && m_fPressed == 1)
        {
            m_fPressed = 0;
            if((m_dwExtendedStyle & BMPBTN_AUTOCHECK) != 0)
                SetCheck(!GetCheck(), false);
            Invalidate();
            UpdateWindow();
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnTimer(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        ATLASSERT((m_dwExtendedStyle & BMPBTN_AUTOFIRE) != 0);
        switch(wParam)   // timer ID
        {
        case ID_TIMER_FIRST:
            KillTimer(ID_TIMER_FIRST);
            if(m_fPressed == 1)
            {
                ::SendMessage(GetParent(), WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(), BN_CLICKED), (LPARAM)m_hWnd);
                int nElapse = 250;
                int nRepeat = 40;
                if(::SystemParametersInfo(SPI_GETKEYBOARDSPEED, 0, &nRepeat, 0))
                    nElapse = 10000 / (10 * nRepeat + 25);   // milli-seconds, approximated
                SetTimer(ID_TIMER_REPEAT, nElapse);
            }
            break;
        case ID_TIMER_REPEAT:
            if(m_fPressed == 1)
                ::SendMessage(GetParent(), WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(), BN_CLICKED), (LPARAM)m_hWnd);
            else if(::GetCapture() != m_hWnd)
                KillTimer(ID_TIMER_REPEAT);
            break;
        default:    // not our timer
            break;
        }
        return 0;
    }

    LRESULT OnUpdateUiState(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        // If the control is subclassed or superclassed, this message can cause
        // repainting without WM_PAINT. We don't use this state, so just do nothing.
        return 0;
    }

// Implementation
    void Init()
    {
        // We need this style to prevent Windows from painting the button
        ModifyStyle(0, BS_OWNERDRAW);

        // create a tool tip
        m_tip.Create(m_hWnd);
        ATLASSERT(m_tip.IsWindow());
        if(m_tip.IsWindow() && m_lpstrToolTipText != NULL)
        {
            m_tip.Activate(TRUE);
            m_tip.AddTool(m_hWnd, m_lpstrToolTipText);
        }

        if(m_ImageList.m_hImageList != NULL && (m_dwExtendedStyle & BMPBTN_AUTOSIZE) != 0)
            SizeToImage();
    }

    BOOL StartTrackMouseLeave()
    {
        TRACKMOUSEEVENT tme = { 0 };
        tme.cbSize = sizeof(tme);
        tme.dwFlags = TME_LEAVE;
        tme.hwndTrack = m_hWnd;
        return _TrackMouseEvent(&tme);
    }

    bool IsHoverMode() const
    {
        return ((m_dwExtendedStyle & BMPBTN_HOVER) != 0);
    }

    bool IsCheckMode() const
    {
        return ((m_dwExtendedStyle & (BMPBTN_CHECK | BMPBTN_AUTOCHECK)) != 0);
    }
};

class CBitmapButton : public CBitmapButtonImpl<CBitmapButton>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_BitmapButton"), GetWndClassName())

    CBitmapButton(DWORD dwExtendedStyle = BMPBTN_AUTOSIZE, HIMAGELIST hImageList = NULL) : 
        CBitmapButtonImpl<CBitmapButton>(dwExtendedStyle, hImageList)
    { }
};

#endif // !_WIN32_WCE


// CCheckListCtrlView - list view control with check boxes

template <DWORD t_dwStyle, DWORD t_dwExStyle, DWORD t_dwExListViewStyle>
class CCheckListViewCtrlImplTraits
{
public:
    static DWORD GetWndStyle(DWORD dwStyle)
    {
        return (dwStyle == 0) ? t_dwStyle : dwStyle;
    }

    static DWORD GetWndExStyle(DWORD dwExStyle)
    {
        return (dwExStyle == 0) ? t_dwExStyle : dwExStyle;
    }

    static DWORD GetExtendedLVStyle()
    {
        return t_dwExListViewStyle;
    }
};

typedef CCheckListViewCtrlImplTraits<WS_CHILD | WS_VISIBLE | LVS_REPORT | LVS_SHOWSELALWAYS, WS_EX_CLIENTEDGE, LVS_EX_CHECKBOXES | LVS_EX_FULLROWSELECT>   CCheckListViewCtrlTraits;

template <class T, class TBase = CListViewCtrl, class TWinTraits = CCheckListViewCtrlTraits>
class ATL_NO_VTABLE CCheckListViewCtrlImpl : public ATL::CWindowImpl<T, TBase, TWinTraits >
{
public:
    DECLARE_WND_SUPERCLASS(NULL, TBase::GetWndClassName())

// Attributes
    static DWORD GetExtendedLVStyle()
    {
        return TWinTraits::GetExtendedLVStyle();
    }

// Operations
    BOOL SubclassWindow(HWND hWnd)
    {
#if (_MSC_VER >= 1300)
        BOOL bRet = ATL::CWindowImpl< T, TBase, TWinTraits >::SubclassWindow(hWnd);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        BOOL bRet = _baseClass::SubclassWindow(hWnd);
#endif // !(_MSC_VER >= 1300)
        if(bRet != FALSE)
        {
            T* pT = static_cast<T*>(this);
            pT->Init();
        }

        return bRet;
    }

    void CheckSelectedItems(int nCurrItem)
    {
        // first check if this item is selected
        LVITEM lvi = { 0 };
        lvi.iItem = nCurrItem;
        lvi.iSubItem = 0;
        lvi.mask = LVIF_STATE;
        lvi.stateMask = LVIS_SELECTED;
        GetItem(&lvi);
        // if item is not selected, don't do anything
        if(!(lvi.state & LVIS_SELECTED))
            return;
        // new check state will be reverse of the current state,
        BOOL bCheck = !GetCheckState(nCurrItem);
        int nItem = -1;
        int nOldItem = -1;
        while((nItem = GetNextItem(nOldItem, LVNI_SELECTED)) != -1)
        {
            if(nItem != nCurrItem)
                SetCheckState(nItem, bCheck);
            nOldItem = nItem;
        }
    }

// Implementation
    void Init()
    {
        T* pT = static_cast<T*>(this);
        pT;   // avoid level 4 warning
        ATLASSERT((pT->GetExtendedLVStyle() & LVS_EX_CHECKBOXES) != 0);
        SetExtendedListViewStyle(pT->GetExtendedLVStyle());
    }

// Message map and handlers
    BEGIN_MSG_MAP(CCheckListViewCtrlImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
        MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnLButtonDown)
        MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
    END_MSG_MAP()

    LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        // first let list view control initialize everything
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);
        if(lRet == 0)
        {
            T* pT = static_cast<T*>(this);
            pT->Init();
        }

        return lRet;
    }

    LRESULT OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        POINT ptMsg = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        LVHITTESTINFO lvh = { 0 };
        lvh.pt = ptMsg;
        if(HitTest(&lvh) != -1 && lvh.flags == LVHT_ONITEMSTATEICON && ::GetKeyState(VK_CONTROL) >= 0)
        {
            T* pT = static_cast<T*>(this);
            pT->CheckSelectedItems(lvh.iItem);
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(wParam == VK_SPACE)
        {
            int nCurrItem = GetNextItem(-1, LVNI_FOCUSED);
            if(nCurrItem != -1  && ::GetKeyState(VK_CONTROL) >= 0)
            {
                T* pT = static_cast<T*>(this);
                pT->CheckSelectedItems(nCurrItem);
            }
        }
        bHandled = FALSE;
        return 1;
    }
};

class CCheckListViewCtrl : public CCheckListViewCtrlImpl<CCheckListViewCtrl>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_CheckListView"), GetWndClassName())
};


// CHyperLink - hyper link control implementation

#if (WINVER < 0x0500) && !defined(_WIN32_WCE)
__declspec(selectany) struct
{
    enum { cxWidth = 32, cyHeight = 32 };
    int xHotSpot;
    int yHotSpot;
    unsigned char arrANDPlane[cxWidth * cyHeight / 8];
    unsigned char arrXORPlane[cxWidth * cyHeight / 8];
} _AtlHyperLink_CursorData = 
{
    5, 0, 
    {
        0xF9, 0xFF, 0xFF, 0xFF, 0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0xFF, 0xFF, 0xFF, 
        0xF0, 0xFF, 0xFF, 0xFF, 0xF0, 0x3F, 0xFF, 0xFF, 0xF0, 0x07, 0xFF, 0xFF, 0xF0, 0x01, 0xFF, 0xFF, 
        0xF0, 0x00, 0xFF, 0xFF, 0x10, 0x00, 0x7F, 0xFF, 0x00, 0x00, 0x7F, 0xFF, 0x00, 0x00, 0x7F, 0xFF, 
        0x80, 0x00, 0x7F, 0xFF, 0xC0, 0x00, 0x7F, 0xFF, 0xC0, 0x00, 0x7F, 0xFF, 0xE0, 0x00, 0x7F, 0xFF, 
        0xE0, 0x00, 0xFF, 0xFF, 0xF0, 0x00, 0xFF, 0xFF, 0xF0, 0x00, 0xFF, 0xFF, 0xF8, 0x01, 0xFF, 0xFF, 
        0xF8, 0x01, 0xFF, 0xFF, 0xF8, 0x01, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
        0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
    },
    {
        0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 
        0x06, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x06, 0xC0, 0x00, 0x00, 0x06, 0xD8, 0x00, 0x00, 
        0x06, 0xDA, 0x00, 0x00, 0x06, 0xDB, 0x00, 0x00, 0x67, 0xFB, 0x00, 0x00, 0x77, 0xFF, 0x00, 0x00, 
        0x37, 0xFF, 0x00, 0x00, 0x17, 0xFF, 0x00, 0x00, 0x1F, 0xFF, 0x00, 0x00, 0x0F, 0xFF, 0x00, 0x00, 
        0x0F, 0xFE, 0x00, 0x00, 0x07, 0xFE, 0x00, 0x00, 0x07, 0xFE, 0x00, 0x00, 0x03, 0xFC, 0x00, 0x00, 
        0x03, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
    }
};
#endif // (WINVER < 0x0500) && !defined(_WIN32_WCE)

#define HLINK_UNDERLINED           0x00000000
#define HLINK_NOTUNDERLINED        0x00000001
#define HLINK_UNDERLINEHOVER       0x00000002
#define HLINK_COMMANDBUTTON        0x00000004
#define HLINK_NOTIFYBUTTON         0x0000000C
#define HLINK_USETAGS              0x00000010
#define HLINK_USETAGSBOLD          0x00000030
#define HLINK_NOTOOLTIP            0x00000040
#define HLINK_AUTOCREATELINKFONT   0x00000080
#define HLINK_SINGLELINE           0x00000100

// Notes:
// - HLINK_USETAGS and HLINK_USETAGSBOLD are always left-aligned
// - When HLINK_USETAGSBOLD is used, the underlined styles will be ignored

template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
class ATL_NO_VTABLE CHyperLinkImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >
{
public:
    LPTSTR m_lpstrLabel;
    LPTSTR m_lpstrHyperLink;

    HCURSOR m_hCursor;
    HFONT m_hFontLink;
    HFONT m_hFontNormal;

    RECT m_rcLink;
#ifndef _WIN32_WCE
    CToolTipCtrl m_tip;
#endif // !_WIN32_WCE

    COLORREF m_clrLink;
    COLORREF m_clrVisited;

    DWORD m_dwExtendedStyle;   // Hyper Link specific extended styles

    bool m_bPaintLabel:1;
    bool m_bVisited:1;
    bool m_bHover:1;
    bool m_bInternalLinkFont:1;
    bool m_bInternalNormalFont:1;


// Constructor/Destructor
    CHyperLinkImpl(DWORD dwExtendedStyle = HLINK_UNDERLINED) : 
            m_lpstrLabel(NULL), m_lpstrHyperLink(NULL),
            m_hCursor(NULL), m_hFontLink(NULL), m_hFontNormal(NULL),
            m_clrLink(RGB(0, 0, 255)), m_clrVisited(RGB(128, 0, 128)),
            m_dwExtendedStyle(dwExtendedStyle),
            m_bPaintLabel(true), m_bVisited(false),
            m_bHover(false), m_bInternalLinkFont(false), m_bInternalNormalFont(false)
    {
        ::SetRectEmpty(&m_rcLink);
    }

    ~CHyperLinkImpl()
    {
        delete [] m_lpstrLabel;
        delete [] m_lpstrHyperLink;
#if (WINVER < 0x0500) && !defined(_WIN32_WCE)
        // It was created, not loaded, so we have to destroy it
        if(m_hCursor != NULL)
            ::DestroyCursor(m_hCursor);
#endif // (WINVER < 0x0500) && !defined(_WIN32_WCE)
    }

// Attributes
    DWORD GetHyperLinkExtendedStyle() const
    {
        return m_dwExtendedStyle;
    }

    DWORD SetHyperLinkExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
    {
        DWORD dwPrevStyle = m_dwExtendedStyle;
        if(dwMask == 0)
            m_dwExtendedStyle = dwExtendedStyle;
        else
            m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
        return dwPrevStyle;
    }

    bool GetLabel(LPTSTR lpstrBuffer, int nLength) const
    {
        if(m_lpstrLabel == NULL)
            return false;
        ATLASSERT(lpstrBuffer != NULL);
        if(nLength <= lstrlen(m_lpstrLabel))
            return false;

        SecureHelper::strcpy_x(lpstrBuffer, nLength, m_lpstrLabel);

        return true;
    }

    bool SetLabel(LPCTSTR lpstrLabel)
    {
        delete [] m_lpstrLabel;
        m_lpstrLabel = NULL;
        int cchLen = lstrlen(lpstrLabel) + 1;
        ATLTRY(m_lpstrLabel = new TCHAR[cchLen]);
        if(m_lpstrLabel == NULL)
            return false;

        SecureHelper::strcpy_x(m_lpstrLabel, cchLen, lpstrLabel);
        T* pT = static_cast<T*>(this);
        pT->CalcLabelRect();

        if(m_hWnd != NULL)
            SetWindowText(lpstrLabel);   // Set this for accessibility

        return true;
    }

    bool GetHyperLink(LPTSTR lpstrBuffer, int nLength) const
    {
        if(m_lpstrHyperLink == NULL)
            return false;
        ATLASSERT(lpstrBuffer != NULL);
        if(nLength <= lstrlen(m_lpstrHyperLink))
            return false;

        SecureHelper::strcpy_x(lpstrBuffer, nLength, m_lpstrHyperLink);

        return true;
    }

    bool SetHyperLink(LPCTSTR lpstrLink)
    {
        delete [] m_lpstrHyperLink;
        m_lpstrHyperLink = NULL;
        int cchLen = lstrlen(lpstrLink) + 1;
        ATLTRY(m_lpstrHyperLink = new TCHAR[cchLen]);
        if(m_lpstrHyperLink == NULL)
            return false;

        SecureHelper::strcpy_x(m_lpstrHyperLink, cchLen, lpstrLink);
        if(m_lpstrLabel == NULL)
        {
            T* pT = static_cast<T*>(this);
            pT->CalcLabelRect();
        }
#ifndef _WIN32_WCE
        if(m_tip.IsWindow())
        {
            m_tip.Activate(TRUE);
            m_tip.AddTool(m_hWnd, m_lpstrHyperLink, &m_rcLink, 1);
        }
#endif // !_WIN32_WCE
        return true;
    }

    HFONT GetLinkFont() const
    {
        return m_hFontLink;
    }

    void SetLinkFont(HFONT hFont)
    {
        if(m_bInternalLinkFont)
        {
            ::DeleteObject(m_hFontLink);
            m_bInternalLinkFont = false;
        }

        m_hFontLink = hFont;

        T* pT = static_cast<T*>(this);
        pT->CalcLabelRect();
    }

    int GetIdealHeight() const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        if(m_lpstrLabel == NULL && m_lpstrHyperLink == NULL)
            return -1;
        if(!m_bPaintLabel)
            return -1;

        UINT uFormat = IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;

        CClientDC dc(m_hWnd);
        RECT rect = { 0 };
        GetClientRect(&rect);
        HFONT hFontOld = dc.SelectFont(m_hFontNormal);
        RECT rcText = rect;
        dc.DrawText(_T("NS"), -1, &rcText, DT_LEFT | uFormat | DT_CALCRECT);
        dc.SelectFont(m_hFontLink);
        RECT rcLink = rect;
        dc.DrawText(_T("NS"), -1, &rcLink, DT_LEFT | uFormat | DT_CALCRECT);
        dc.SelectFont(hFontOld);
        return __max(rcText.bottom - rcText.top, rcLink.bottom - rcLink.top);
    }

    bool GetIdealSize(SIZE& size) const
    {
        int cx = 0, cy = 0;
        bool bRet = GetIdealSize(cx, cy);
        if(bRet)
        {
            size.cx = cx;
            size.cy = cy;
        }
        return bRet;
    }

    bool GetIdealSize(int& cx, int& cy) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        if(m_lpstrLabel == NULL && m_lpstrHyperLink == NULL)
            return false;
        if(!m_bPaintLabel)
            return false;

        CClientDC dc(m_hWnd);
        RECT rcClient = { 0 };
        GetClientRect(&rcClient);
        RECT rcAll = rcClient;

        if(IsUsingTags())
        {
            // find tags and label parts
            LPTSTR lpstrLeft = NULL;
            int cchLeft = 0;
            LPTSTR lpstrLink = NULL;
            int cchLink = 0;
            LPTSTR lpstrRight = NULL;
            int cchRight = 0;

            const T* pT = static_cast<const T*>(this);
            pT->CalcLabelParts(lpstrLeft, cchLeft, lpstrLink, cchLink, lpstrRight, cchRight);

            // get label part rects
            UINT uFormat = IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;

            HFONT hFontOld = dc.SelectFont(m_hFontNormal);
            RECT rcLeft = rcClient;
            dc.DrawText(lpstrLeft, cchLeft, &rcLeft, DT_LEFT | uFormat | DT_CALCRECT);

            dc.SelectFont(m_hFontLink);
            RECT rcLink = { rcLeft.right, rcLeft.top, rcClient.right, rcClient.bottom };
            dc.DrawText(lpstrLink, cchLink, &rcLink, DT_LEFT | uFormat | DT_CALCRECT);

            dc.SelectFont(m_hFontNormal);
            RECT rcRight = { rcLink.right, rcLink.top, rcClient.right, rcClient.bottom };
            dc.DrawText(lpstrRight, cchRight, &rcRight, DT_LEFT | uFormat | DT_CALCRECT);

            dc.SelectFont(hFontOld);

            int cyMax = __max(rcLeft.bottom, __max(rcLink.bottom, rcRight.bottom));
            ::SetRect(&rcAll, rcLeft.left, rcLeft.top, rcRight.right, cyMax);
        }
        else
        {
            HFONT hOldFont = NULL;
            if(m_hFontLink != NULL)
                hOldFont = dc.SelectFont(m_hFontLink);
            LPTSTR lpstrText = (m_lpstrLabel != NULL) ? m_lpstrLabel : m_lpstrHyperLink;
            DWORD dwStyle = GetStyle();
            UINT uFormat = DT_LEFT;
            if (dwStyle & SS_CENTER)
                uFormat = DT_CENTER;
            else if (dwStyle & SS_RIGHT)
                uFormat = DT_RIGHT;
            uFormat |= IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;
            dc.DrawText(lpstrText, -1, &rcAll, uFormat | DT_CALCRECT);
            if(m_hFontLink != NULL)
                dc.SelectFont(hOldFont);
            if (dwStyle & SS_CENTER)
            {
                int dx = (rcClient.right - rcAll.right) / 2;
                ::OffsetRect(&rcAll, dx, 0);
            }
            else if (dwStyle & SS_RIGHT)
            {
                int dx = rcClient.right - rcAll.right;
                ::OffsetRect(&rcAll, dx, 0);
            }
        }

        cx = rcAll.right - rcAll.left;
        cy = rcAll.bottom - rcAll.top;

        return true;
    }

    // for command buttons only
    bool GetToolTipText(LPTSTR lpstrBuffer, int nLength) const
    {
        ATLASSERT(IsCommandButton());
        return GetHyperLink(lpstrBuffer, nLength);
    }

    bool SetToolTipText(LPCTSTR lpstrToolTipText)
    {
        ATLASSERT(IsCommandButton());
        return SetHyperLink(lpstrToolTipText);
    }

// Operations
    BOOL SubclassWindow(HWND hWnd)
    {
        ATLASSERT(m_hWnd == NULL);
        ATLASSERT(::IsWindow(hWnd));
        if(m_hFontNormal == NULL)
            m_hFontNormal = (HFONT)::SendMessage(hWnd, WM_GETFONT, 0, 0L);

#if (_MSC_VER >= 1300)
        BOOL bRet = ATL::CWindowImpl< T, TBase, TWinTraits >::SubclassWindow(hWnd);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        BOOL bRet = _baseClass::SubclassWindow(hWnd);
#endif // !(_MSC_VER >= 1300)
        if(bRet != FALSE)
        {
            T* pT = static_cast<T*>(this);
            pT->Init();
        }

        return bRet;
    }

    bool Navigate()
    {
        ATLASSERT(::IsWindow(m_hWnd));
        bool bRet = true;
        if(IsNotifyButton())
        {
            NMHDR nmhdr = { m_hWnd, (UINT_PTR)GetDlgCtrlID(), NM_CLICK };
            ::SendMessage(GetParent(), WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&nmhdr);
        }
        else if(IsCommandButton())
        {
            ::SendMessage(GetParent(), WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(), BN_CLICKED), (LPARAM)m_hWnd);
        }
        else
        {
            ATLASSERT(m_lpstrHyperLink != NULL);
#ifndef _WIN32_WCE
            DWORD_PTR dwRet = (DWORD_PTR)::ShellExecute(0, _T("open"), m_lpstrHyperLink, 0, 0, SW_SHOWNORMAL);
            bRet = (dwRet > 32);
#else // CE specific
            SHELLEXECUTEINFO shExeInfo = { sizeof(SHELLEXECUTEINFO), 0, 0, L"open", m_lpstrHyperLink, 0, 0, SW_SHOWNORMAL, 0, 0, 0, 0, 0, 0, 0 };
            ::ShellExecuteEx(&shExeInfo);
            DWORD_PTR dwRet = (DWORD_PTR)shExeInfo.hInstApp;
            bRet = (dwRet == 0) || (dwRet > 32);
#endif // _WIN32_WCE
            ATLASSERT(bRet);
            if(bRet)
            {
                m_bVisited = true;
                Invalidate();
            }
        }
        return bRet;
    }

    void CreateLinkFontFromNormal()
    {
        if(m_bInternalLinkFont)
        {
            ::DeleteObject(m_hFontLink);
            m_bInternalLinkFont = false;
        }

        CFontHandle font = (m_hFontNormal != NULL) ? m_hFontNormal : (HFONT)::GetStockObject(SYSTEM_FONT);
        LOGFONT lf = { 0 };
        font.GetLogFont(&lf);

        if(IsUsingTagsBold())
            lf.lfWeight = FW_BOLD;
        else if(!IsNotUnderlined())
            lf.lfUnderline = TRUE;

        m_hFontLink = ::CreateFontIndirect(&lf);
        m_bInternalLinkFont = true;
        ATLASSERT(m_hFontLink != NULL);
    }

// Message map and handlers
    BEGIN_MSG_MAP(CHyperLinkImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
#ifndef _WIN32_WCE
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_RANGE_HANDLER(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseMessage)
#endif // !_WIN32_WCE
        MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
        MESSAGE_HANDLER(WM_PAINT, OnPaint)
#ifndef _WIN32_WCE
        MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
#endif // !_WIN32_WCE
        MESSAGE_HANDLER(WM_SETFOCUS, OnFocus)
        MESSAGE_HANDLER(WM_KILLFOCUS, OnFocus)
        MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
#ifndef _WIN32_WCE
        MESSAGE_HANDLER(WM_MOUSELEAVE, OnMouseLeave)
#endif // !_WIN32_WCE
        MESSAGE_HANDLER(WM_LBUTTONDOWN, OnLButtonDown)
        MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
        MESSAGE_HANDLER(WM_CHAR, OnChar)
        MESSAGE_HANDLER(WM_GETDLGCODE, OnGetDlgCode)
        MESSAGE_HANDLER(WM_SETCURSOR, OnSetCursor)
        MESSAGE_HANDLER(WM_ENABLE, OnEnable)
        MESSAGE_HANDLER(WM_GETFONT, OnGetFont)
        MESSAGE_HANDLER(WM_SETFONT, OnSetFont)
        MESSAGE_HANDLER(WM_UPDATEUISTATE, OnUpdateUiState)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
    END_MSG_MAP()

    LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->Init();
        return 0;
    }

#ifndef _WIN32_WCE
    LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_tip.IsWindow())
        {
            m_tip.DestroyWindow();
            m_tip.m_hWnd = NULL;
        }

        if(m_bInternalLinkFont)
        {
            ::DeleteObject(m_hFontLink);
            m_hFontLink = NULL;
            m_bInternalLinkFont = false;
        }

        if(m_bInternalNormalFont)
        {
            ::DeleteObject(m_hFontNormal);
            m_hFontNormal = NULL;
            m_bInternalNormalFont = false;
        }

        bHandled = FALSE;
        return 1;
    }

    LRESULT OnMouseMessage(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        MSG msg = { m_hWnd, uMsg, wParam, lParam };
        if(m_tip.IsWindow() && IsUsingToolTip())
            m_tip.RelayEvent(&msg);
        bHandled = FALSE;
        return 1;
    }
#endif // !_WIN32_WCE

    LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return 1;   // no background painting needed (we do it all during WM_PAINT)
    }

    LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(!m_bPaintLabel)
        {
            bHandled = FALSE;
            return 1;
        }

        T* pT = static_cast<T*>(this);
        if(wParam != NULL)
        {
            pT->DoEraseBackground((HDC)wParam);
            pT->DoPaint((HDC)wParam);
        }
        else
        {
            CPaintDC dc(m_hWnd);
            pT->DoEraseBackground(dc.m_hDC);
            pT->DoPaint(dc.m_hDC);
        }

        return 0;
    }

    LRESULT OnFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_bPaintLabel)
            Invalidate();
        else
            bHandled = FALSE;
        return 0;
    }

    LRESULT OnMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        if((m_lpstrHyperLink != NULL  || IsCommandButton()) && ::PtInRect(&m_rcLink, pt))
        {
            ::SetCursor(m_hCursor);
            if(IsUnderlineHover())
            {
                if(!m_bHover)
                {
                    m_bHover = true;
                    InvalidateRect(&m_rcLink);
                    UpdateWindow();
#ifndef _WIN32_WCE
                    StartTrackMouseLeave();
#endif // !_WIN32_WCE
                }
            }
        }
        else
        {
            if(IsUnderlineHover())
            {
                if(m_bHover)
                {
                    m_bHover = false;
                    InvalidateRect(&m_rcLink);
                    UpdateWindow();
                }
            }
            bHandled = FALSE;
        }
        return 0;
    }

#ifndef _WIN32_WCE
    LRESULT OnMouseLeave(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(IsUnderlineHover() && m_bHover)
        {
            m_bHover = false;
            InvalidateRect(&m_rcLink);
            UpdateWindow();
        }
        return 0;
    }
#endif // !_WIN32_WCE

    LRESULT OnLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        if(::PtInRect(&m_rcLink, pt))
        {
            SetFocus();
            SetCapture();
        }
        return 0;
    }

    LRESULT OnLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(GetCapture() == m_hWnd)
        {
            ReleaseCapture();
            POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
            if(::PtInRect(&m_rcLink, pt))
            {
                T* pT = static_cast<T*>(this);
                pT->Navigate();
            }
        }
        return 0;
    }

    LRESULT OnChar(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(wParam == VK_RETURN || wParam == VK_SPACE)
        {
            T* pT = static_cast<T*>(this);
            pT->Navigate();
        }
        return 0;
    }

    LRESULT OnGetDlgCode(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return DLGC_WANTCHARS;
    }

    LRESULT OnSetCursor(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        POINT pt = { 0, 0 };
        GetCursorPos(&pt);
        ScreenToClient(&pt);
        if((m_lpstrHyperLink != NULL  || IsCommandButton()) && ::PtInRect(&m_rcLink, pt))
        {
            return TRUE;
        }
        bHandled = FALSE;
        return FALSE;
    }

    LRESULT OnEnable(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        Invalidate();
        UpdateWindow();
        return 0;
    }

    LRESULT OnGetFont(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return (LRESULT)m_hFontNormal;
    }

    LRESULT OnSetFont(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(m_bInternalNormalFont)
        {
            ::DeleteObject(m_hFontNormal);
            m_bInternalNormalFont = false;
        }

        bool bCreateLinkFont = m_bInternalLinkFont;

        m_hFontNormal = (HFONT)wParam;

        if(bCreateLinkFont || IsAutoCreateLinkFont())
            CreateLinkFontFromNormal();

        T* pT = static_cast<T*>(this);
        pT->CalcLabelRect();

        if((BOOL)lParam)
        {
            Invalidate();
            UpdateWindow();
        }

        return 0;
    }

    LRESULT OnUpdateUiState(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        // If the control is subclassed or superclassed, this message can cause
        // repainting without WM_PAINT. We don't use this state, so just do nothing.
        return 0;
    }

    LRESULT OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->CalcLabelRect();
        pT->Invalidate();
        return 0;
    }

// Implementation
    void Init()
    {
        ATLASSERT(::IsWindow(m_hWnd));

        // Check if we should paint a label
        const int cchBuff = 8;
        TCHAR szBuffer[cchBuff] = { 0 };
        if(::GetClassName(m_hWnd, szBuffer, cchBuff))
        {
            if(lstrcmpi(szBuffer, _T("static")) == 0)
            {
                ModifyStyle(0, SS_NOTIFY);   // we need this
                DWORD dwStyle = GetStyle() & 0x000000FF;
#ifndef _WIN32_WCE
                if(dwStyle == SS_ICON || dwStyle == SS_BLACKRECT || dwStyle == SS_GRAYRECT || 
                        dwStyle == SS_WHITERECT || dwStyle == SS_BLACKFRAME || dwStyle == SS_GRAYFRAME || 
                        dwStyle == SS_WHITEFRAME || dwStyle == SS_OWNERDRAW || 
                        dwStyle == SS_BITMAP || dwStyle == SS_ENHMETAFILE)
#else // CE specific
                if(dwStyle == SS_ICON || dwStyle == SS_BITMAP)
#endif // _WIN32_WCE
                    m_bPaintLabel = false;
            }
        }

        // create or load a cursor
#if (WINVER >= 0x0500) || defined(_WIN32_WCE)
        m_hCursor = ::LoadCursor(NULL, IDC_HAND);
#else
        m_hCursor = ::CreateCursor(ModuleHelper::GetModuleInstance(), _AtlHyperLink_CursorData.xHotSpot, _AtlHyperLink_CursorData.yHotSpot, _AtlHyperLink_CursorData.cxWidth, _AtlHyperLink_CursorData.cyHeight, _AtlHyperLink_CursorData.arrANDPlane, _AtlHyperLink_CursorData.arrXORPlane);
#endif
        ATLASSERT(m_hCursor != NULL);

        // set fonts
        if(m_bPaintLabel)
        {
            if(m_hFontNormal == NULL)
            {
                m_hFontNormal = AtlCreateControlFont();
                m_bInternalNormalFont = true;
            }

            if(m_hFontLink == NULL)
                CreateLinkFontFromNormal();
        }

#ifndef _WIN32_WCE
        // create a tool tip
        m_tip.Create(m_hWnd);
        ATLASSERT(m_tip.IsWindow());
#endif // !_WIN32_WCE

        // set label (defaults to window text)
        if(m_lpstrLabel == NULL)
        {
            int nLen = GetWindowTextLength();
            if(nLen > 0)
            {
                ATLTRY(m_lpstrLabel = new TCHAR[nLen + 1]);
                if(m_lpstrLabel != NULL)
                    ATLVERIFY(GetWindowText(m_lpstrLabel, nLen + 1) > 0);
            }
        }

        T* pT = static_cast<T*>(this);
        pT->CalcLabelRect();

        // set hyperlink (defaults to label), or just activate tool tip if already set
        if(m_lpstrHyperLink == NULL && !IsCommandButton())
        {
            if(m_lpstrLabel != NULL)
                SetHyperLink(m_lpstrLabel);
        }
#ifndef _WIN32_WCE
        else
        {
            m_tip.Activate(TRUE);
            m_tip.AddTool(m_hWnd, m_lpstrHyperLink, &m_rcLink, 1);
        }
#endif // !_WIN32_WCE

        // set link colors
        if(m_bPaintLabel)
        {
            CRegKeyEx rk;
            LONG lRet = rk.Open(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Internet Explorer\\Settings"));
            if(lRet == ERROR_SUCCESS)
            {
                const int cchValue = 12;
                TCHAR szValue[cchValue] = { 0 };
                ULONG ulCount = cchValue;
                lRet = rk.QueryStringValue(_T("Anchor Color"), szValue, &ulCount);
                if(lRet == ERROR_SUCCESS)
                {
                    COLORREF clr = pT->_ParseColorString(szValue);
                    ATLASSERT(clr != CLR_INVALID);
                    if(clr != CLR_INVALID)
                        m_clrLink = clr;
                }

                ulCount = cchValue;
                lRet = rk.QueryStringValue(_T("Anchor Color Visited"), szValue, &ulCount);
                if(lRet == ERROR_SUCCESS)
                {
                    COLORREF clr = pT->_ParseColorString(szValue);
                    ATLASSERT(clr != CLR_INVALID);
                    if(clr != CLR_INVALID)
                        m_clrVisited = clr;
                }
            }
        }
    }

    static COLORREF _ParseColorString(LPTSTR lpstr)
    {
        int c[3] = { -1, -1, -1 };
        LPTSTR p = NULL;
        for(int i = 0; i < 2; i++)
        {
            for(p = lpstr; *p != _T('\0'); p = ::CharNext(p))
            {
                if(*p == _T(','))
                {
                    *p = _T('\0');
                    c[i] = MinCrtHelper::_atoi(lpstr);
                    lpstr = &p[1];
                    break;
                }
            }
            if(c[i] == -1)
                return CLR_INVALID;
        }
        if(*lpstr == _T('\0'))
            return CLR_INVALID;
        c[2] = MinCrtHelper::_atoi(lpstr);

        return RGB(c[0], c[1], c[2]);
    }

    bool CalcLabelRect()
    {
        if(!::IsWindow(m_hWnd))
            return false;
        if(m_lpstrLabel == NULL && m_lpstrHyperLink == NULL)
            return false;

        CClientDC dc(m_hWnd);
        RECT rcClient = { 0 };
        GetClientRect(&rcClient);
        m_rcLink = rcClient;
        if(!m_bPaintLabel)
            return true;

        if(IsUsingTags())
        {
            // find tags and label parts
            LPTSTR lpstrLeft = NULL;
            int cchLeft = 0;
            LPTSTR lpstrLink = NULL;
            int cchLink = 0;
            LPTSTR lpstrRight = NULL;
            int cchRight = 0;

            T* pT = static_cast<T*>(this);
            pT->CalcLabelParts(lpstrLeft, cchLeft, lpstrLink, cchLink, lpstrRight, cchRight);
            ATLASSERT(lpstrLink != NULL);
            ATLASSERT(cchLink > 0);

            // get label part rects
            HFONT hFontOld = dc.SelectFont(m_hFontNormal);

            UINT uFormat = IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;

            RECT rcLeft = rcClient;
            if(lpstrLeft != NULL)
                dc.DrawText(lpstrLeft, cchLeft, &rcLeft, DT_LEFT | uFormat | DT_CALCRECT);

            dc.SelectFont(m_hFontLink);
            RECT rcLink = rcClient;
            if(lpstrLeft != NULL)
                rcLink.left = rcLeft.right;
            dc.DrawText(lpstrLink, cchLink, &rcLink, DT_LEFT | uFormat | DT_CALCRECT);

            dc.SelectFont(hFontOld);

            m_rcLink = rcLink;
        }
        else
        {
            HFONT hOldFont = NULL;
            if(m_hFontLink != NULL)
                hOldFont = dc.SelectFont(m_hFontLink);
            LPTSTR lpstrText = (m_lpstrLabel != NULL) ? m_lpstrLabel : m_lpstrHyperLink;
            DWORD dwStyle = GetStyle();
            UINT uFormat = DT_LEFT;
            if (dwStyle & SS_CENTER)
                uFormat = DT_CENTER;
            else if (dwStyle & SS_RIGHT)
                uFormat = DT_RIGHT;
            uFormat |= IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;
            dc.DrawText(lpstrText, -1, &m_rcLink, uFormat | DT_CALCRECT);
            if(m_hFontLink != NULL)
                dc.SelectFont(hOldFont);
            if (dwStyle & SS_CENTER)
            {
                int dx = (rcClient.right - m_rcLink.right) / 2;
                ::OffsetRect(&m_rcLink, dx, 0);
            }
            else if (dwStyle & SS_RIGHT)
            {
                int dx = rcClient.right - m_rcLink.right;
                ::OffsetRect(&m_rcLink, dx, 0);
            }
        }

        return true;
    }

    void CalcLabelParts(LPTSTR& lpstrLeft, int& cchLeft, LPTSTR& lpstrLink, int& cchLink, LPTSTR& lpstrRight, int& cchRight) const
    {
        lpstrLeft = NULL;
        cchLeft = 0;
        lpstrLink = NULL;
        cchLink = 0;
        lpstrRight = NULL;
        cchRight = 0;

        LPTSTR lpstrText = (m_lpstrLabel != NULL) ? m_lpstrLabel : m_lpstrHyperLink;
        int cchText = lstrlen(lpstrText);
        bool bOutsideLink = true;
        for(int i = 0; i < cchText; i++)
        {
            if(lpstrText[i] != _T('<'))
                continue;

            if(bOutsideLink)
            {
                if(::CompareString(LOCALE_USER_DEFAULT, NORM_IGNORECASE, &lpstrText[i], 3, _T("<A>"), 3) == CSTR_EQUAL)
                {
                    if(i > 0)
                    {
                        lpstrLeft = lpstrText;
                        cchLeft = i;
                    }
                    lpstrLink = &lpstrText[i + 3];
                    bOutsideLink = false;
                }
            }
            else
            {
                if(::CompareString(LOCALE_USER_DEFAULT, NORM_IGNORECASE, &lpstrText[i], 4, _T("</A>"), 4) == CSTR_EQUAL)
                {
                    cchLink = i - 3 - cchLeft;
                    if(lpstrText[i + 4] != 0)
                    {
                        lpstrRight = &lpstrText[i + 4];
                        cchRight = cchText - (i + 4);
                        break;
                    }
                }
            }
        }

    }

    void DoEraseBackground(CDCHandle dc)
    {
        HBRUSH hBrush = (HBRUSH)::SendMessage(GetParent(), WM_CTLCOLORSTATIC, (WPARAM)dc.m_hDC, (LPARAM)m_hWnd);
        if(hBrush != NULL)
        {
            RECT rect = { 0 };
            GetClientRect(&rect);
            dc.FillRect(&rect, hBrush);
        }
    }

    void DoPaint(CDCHandle dc)
    {
        if(IsUsingTags())
        {
            // find tags and label parts
            LPTSTR lpstrLeft = NULL;
            int cchLeft = 0;
            LPTSTR lpstrLink = NULL;
            int cchLink = 0;
            LPTSTR lpstrRight = NULL;
            int cchRight = 0;

            T* pT = static_cast<T*>(this);
            pT->CalcLabelParts(lpstrLeft, cchLeft, lpstrLink, cchLink, lpstrRight, cchRight);

            // get label part rects
            RECT rcClient = { 0 };
            GetClientRect(&rcClient);

            dc.SetBkMode(TRANSPARENT);
            HFONT hFontOld = dc.SelectFont(m_hFontNormal);

            UINT uFormat = IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;

            if(lpstrLeft != NULL)
                dc.DrawText(lpstrLeft, cchLeft, &rcClient, DT_LEFT | uFormat);

            COLORREF clrOld = dc.SetTextColor(IsWindowEnabled() ? (m_bVisited ? m_clrVisited : m_clrLink) : (::GetSysColor(COLOR_GRAYTEXT)));
            if(m_hFontLink != NULL && (!IsUnderlineHover() || (IsUnderlineHover() && m_bHover)))
                dc.SelectFont(m_hFontLink);
            else
                dc.SelectFont(m_hFontNormal);

            dc.DrawText(lpstrLink, cchLink, &m_rcLink, DT_LEFT | uFormat);

            dc.SetTextColor(clrOld);
            dc.SelectFont(m_hFontNormal);
            if(lpstrRight != NULL)
            {
                RECT rcRight = { m_rcLink.right, m_rcLink.top, rcClient.right, rcClient.bottom };
                dc.DrawText(lpstrRight, cchRight, &rcRight, DT_LEFT | uFormat);
            }

            if(GetFocus() == m_hWnd)
                dc.DrawFocusRect(&m_rcLink);

            dc.SelectFont(hFontOld);
        }
        else
        {
            dc.SetBkMode(TRANSPARENT);
            COLORREF clrOld = dc.SetTextColor(IsWindowEnabled() ? (m_bVisited ? m_clrVisited : m_clrLink) : (::GetSysColor(COLOR_GRAYTEXT)));

            HFONT hFontOld = NULL;
            if(m_hFontLink != NULL && (!IsUnderlineHover() || (IsUnderlineHover() && m_bHover)))
                hFontOld = dc.SelectFont(m_hFontLink);
            else
                hFontOld = dc.SelectFont(m_hFontNormal);

            LPTSTR lpstrText = (m_lpstrLabel != NULL) ? m_lpstrLabel : m_lpstrHyperLink;

            DWORD dwStyle = GetStyle();
            UINT uFormat = DT_LEFT;
            if (dwStyle & SS_CENTER)
                uFormat = DT_CENTER;
            else if (dwStyle & SS_RIGHT)
                uFormat = DT_RIGHT;
            uFormat |= IsSingleLine() ? DT_SINGLELINE : DT_WORDBREAK;

            dc.DrawText(lpstrText, -1, &m_rcLink, uFormat);

            if(GetFocus() == m_hWnd)
                dc.DrawFocusRect(&m_rcLink);

            dc.SetTextColor(clrOld);
            dc.SelectFont(hFontOld);
        }
    }

#ifndef _WIN32_WCE
    BOOL StartTrackMouseLeave()
    {
        TRACKMOUSEEVENT tme = { 0 };
        tme.cbSize = sizeof(tme);
        tme.dwFlags = TME_LEAVE;
        tme.hwndTrack = m_hWnd;
        return _TrackMouseEvent(&tme);
    }
#endif // !_WIN32_WCE

// Implementation helpers
    bool IsUnderlined() const
    {
        return ((m_dwExtendedStyle & (HLINK_NOTUNDERLINED | HLINK_UNDERLINEHOVER)) == 0);
    }

    bool IsNotUnderlined() const
    {
        return ((m_dwExtendedStyle & HLINK_NOTUNDERLINED) != 0);
    }

    bool IsUnderlineHover() const
    {
        return ((m_dwExtendedStyle & HLINK_UNDERLINEHOVER) != 0);
    }

    bool IsCommandButton() const
    {
        return ((m_dwExtendedStyle & HLINK_COMMANDBUTTON) != 0);
    }

    bool IsNotifyButton() const
    {
        return ((m_dwExtendedStyle & HLINK_NOTIFYBUTTON) == HLINK_NOTIFYBUTTON);
    }

    bool IsUsingTags() const
    {
        return ((m_dwExtendedStyle & HLINK_USETAGS) != 0);
    }

    bool IsUsingTagsBold() const
    {
        return ((m_dwExtendedStyle & HLINK_USETAGSBOLD) == HLINK_USETAGSBOLD);
    }

    bool IsUsingToolTip() const
    {
        return ((m_dwExtendedStyle & HLINK_NOTOOLTIP) == 0);
    }

    bool IsAutoCreateLinkFont() const
    {
        return ((m_dwExtendedStyle & HLINK_AUTOCREATELINKFONT) == HLINK_AUTOCREATELINKFONT);
    }

    bool IsSingleLine() const
    {
        return ((m_dwExtendedStyle & HLINK_SINGLELINE) == HLINK_SINGLELINE);
    }
};

class CHyperLink : public CHyperLinkImpl<CHyperLink>
{
public:
    DECLARE_WND_CLASS(_T("WTL_HyperLink"))
};


// CWaitCursor - displays a wait cursor

class CWaitCursor
{
public:
// Data
    HCURSOR m_hWaitCursor;
    HCURSOR m_hOldCursor;
    bool m_bInUse;

// Constructor/destructor
    CWaitCursor(bool bSet = true, LPCTSTR lpstrCursor = IDC_WAIT, bool bSys = true) : m_hOldCursor(NULL), m_bInUse(false)
    {
        HINSTANCE hInstance = bSys ? NULL : ModuleHelper::GetResourceInstance();
        m_hWaitCursor = ::LoadCursor(hInstance, lpstrCursor);
        ATLASSERT(m_hWaitCursor != NULL);

        if(bSet)
            Set();
    }

    ~CWaitCursor()
    {
        Restore();
    }

// Methods
    bool Set()
    {
        if(m_bInUse)
            return false;
        m_hOldCursor = ::SetCursor(m_hWaitCursor);
        m_bInUse = true;
        return true;
    }

    bool Restore()
    {
        if(!m_bInUse)
            return false;
        ::SetCursor(m_hOldCursor);
        m_bInUse = false;
        return true;
    }
};


// CCustomWaitCursor - for custom and animated cursors

class CCustomWaitCursor : public CWaitCursor
{
public:
// Constructor/destructor
    CCustomWaitCursor(ATL::_U_STRINGorID cursor, bool bSet = true, HINSTANCE hInstance = NULL) : 
            CWaitCursor(false, IDC_WAIT, true)
    {
        if(hInstance == NULL)
            hInstance = ModuleHelper::GetResourceInstance();
        m_hWaitCursor = (HCURSOR)::LoadImage(hInstance, cursor.m_lpstr, IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);

        if(bSet)
            Set();
    }

    ~CCustomWaitCursor()
    {
        Restore();
#if !defined(_WIN32_WCE) || ((_WIN32_WCE >= 0x400) && !(defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP)))
        ::DestroyCursor(m_hWaitCursor);
#endif // !defined(_WIN32_WCE) || ((_WIN32_WCE >= 0x400) && !(defined(WIN32_PLATFORM_PSPC) || defined(WIN32_PLATFORM_WFSP)))
    }
};


// CMultiPaneStatusBarCtrl - Status Bar with multiple panes

template <class T, class TBase = CStatusBarCtrl>
class ATL_NO_VTABLE CMultiPaneStatusBarCtrlImpl : public ATL::CWindowImpl< T, TBase >
{
public:
    DECLARE_WND_SUPERCLASS(NULL, TBase::GetWndClassName())

// Data
    enum { m_cxPaneMargin = 3 };

    int m_nPanes;
    int* m_pPane;

// Constructor/destructor
    CMultiPaneStatusBarCtrlImpl() : m_nPanes(0), m_pPane(NULL)
    { }

    ~CMultiPaneStatusBarCtrlImpl()
    {
        delete [] m_pPane;
    }

// Methods
    HWND Create(HWND hWndParent, LPCTSTR lpstrText, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | SBARS_SIZEGRIP, UINT nID = ATL_IDW_STATUS_BAR)
    {
#if (_MSC_VER >= 1300)
        return ATL::CWindowImpl< T, TBase >::Create(hWndParent, rcDefault, lpstrText, dwStyle, 0, nID);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase >   _baseClass;
        return _baseClass::Create(hWndParent, rcDefault, lpstrText, dwStyle, 0, nID);
#endif // !(_MSC_VER >= 1300)
    }

    HWND Create(HWND hWndParent, UINT nTextID = ATL_IDS_IDLEMESSAGE, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | SBARS_SIZEGRIP, UINT nID = ATL_IDW_STATUS_BAR)
    {
        const int cchMax = 128;   // max text length is 127 for status bars (+1 for null)
        TCHAR szText[cchMax] = { 0 };
        ::LoadString(ModuleHelper::GetResourceInstance(), nTextID, szText, cchMax);
        return Create(hWndParent, szText, dwStyle, nID);
    }

    BOOL SetPanes(int* pPanes, int nPanes, bool bSetText = true)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(nPanes > 0);

        m_nPanes = nPanes;
        delete [] m_pPane;
        m_pPane = NULL;

        ATLTRY(m_pPane = new int[nPanes]);
        ATLASSERT(m_pPane != NULL);
        if(m_pPane == NULL)
            return FALSE;

        CTempBuffer<int, _WTL_STACK_ALLOC_THRESHOLD> buff;
        int* pPanesPos = buff.Allocate(nPanes);
        ATLASSERT(pPanesPos != NULL);
        if(pPanesPos == NULL)
            return FALSE;

        SecureHelper::memcpy_x(m_pPane, nPanes * sizeof(int), pPanes, nPanes * sizeof(int));

        // get status bar DC and set font
        CClientDC dc(m_hWnd);
        HFONT hOldFont = dc.SelectFont(GetFont());

        // get status bar borders
        int arrBorders[3] = { 0 };
        GetBorders(arrBorders);

        const int cchBuff = 128;
        TCHAR szBuff[cchBuff] = { 0 };
        SIZE size = { 0, 0 };
        int cxLeft = arrBorders[0];

        // calculate right edge of each part
        for(int i = 0; i < nPanes; i++)
        {
            if(pPanes[i] == ID_DEFAULT_PANE)
            {
                // make very large, will be resized later
                pPanesPos[i] = INT_MAX / 2;
            }
            else
            {
                ::LoadString(ModuleHelper::GetResourceInstance(), pPanes[i], szBuff, cchBuff);
                dc.GetTextExtent(szBuff, lstrlen(szBuff), &size);
                T* pT = static_cast<T*>(this);
                pT;
                pPanesPos[i] = cxLeft + size.cx + arrBorders[2] + 2 * pT->m_cxPaneMargin;
            }
            cxLeft = pPanesPos[i];
        }

        BOOL bRet = SetParts(nPanes, pPanesPos);

        if(bRet && bSetText)
        {
            for(int i = 0; i < nPanes; i++)
            {
                if(pPanes[i] != ID_DEFAULT_PANE)
                {
                    ::LoadString(ModuleHelper::GetResourceInstance(), pPanes[i], szBuff, cchBuff);
                    SetPaneText(m_pPane[i], szBuff);
                }
            }
        }

        dc.SelectFont(hOldFont);
        return bRet;
    }

    bool GetPaneTextLength(int nPaneID, int* pcchLength = NULL, int* pnType = NULL) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return false;

        int nLength = GetTextLength(nIndex, pnType);
        if(pcchLength != NULL)
            *pcchLength = nLength;

        return true;
    }

    BOOL GetPaneText(int nPaneID, LPTSTR lpstrText, int* pcchLength = NULL, int* pnType = NULL) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        int nLength = GetText(nIndex, lpstrText, pnType);
        if(pcchLength != NULL)
            *pcchLength = nLength;

        return TRUE;
    }

    BOOL SetPaneText(int nPaneID, LPCTSTR lpstrText, int nType = 0)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        return SetText(nIndex, lpstrText, nType);
    }

    BOOL GetPaneRect(int nPaneID, LPRECT lpRect) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        return GetRect(nIndex, lpRect);
    }

    BOOL SetPaneWidth(int nPaneID, int cxWidth)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(nPaneID != ID_DEFAULT_PANE);   // Can't resize this one
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        // get pane positions
        CTempBuffer<int, _WTL_STACK_ALLOC_THRESHOLD> buff;
        int* pPanesPos = buff.Allocate(m_nPanes);
        if(pPanesPos == NULL)
            return FALSE;
        GetParts(m_nPanes, pPanesPos);
        // calculate offset
        int cxPaneWidth = pPanesPos[nIndex] - ((nIndex == 0) ? 0 : pPanesPos[nIndex - 1]);
        int cxOff = cxWidth - cxPaneWidth;
        // find variable width pane
        int nDef = m_nPanes;
        for(int i = 0; i < m_nPanes; i++)
        {
            if(m_pPane[i] == ID_DEFAULT_PANE)
            {
                nDef = i;
                break;
            }
        }
        // resize
        if(nIndex < nDef)   // before default pane
        {
            for(int i = nIndex; i < nDef; i++)
                pPanesPos[i] += cxOff;
                
        }
        else            // after default one
        {
            for(int i = nDef; i < nIndex; i++)
                pPanesPos[i] -= cxOff;
        }
        // set pane postions
        return SetParts(m_nPanes, pPanesPos);
    }

#if (_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)
    BOOL GetPaneTipText(int nPaneID, LPTSTR lpstrText, int nSize) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        GetTipText(nIndex, lpstrText, nSize);
        return TRUE;
    }

    BOOL SetPaneTipText(int nPaneID, LPCTSTR lpstrText)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        SetTipText(nIndex, lpstrText);
        return TRUE;
    }
#endif // (_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)

#if ((_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 0x0500))
    BOOL GetPaneIcon(int nPaneID, HICON& hIcon) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        hIcon = GetIcon(nIndex);
        return TRUE;
    }

    BOOL SetPaneIcon(int nPaneID, HICON hIcon)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        int nIndex  = GetPaneIndexFromID(nPaneID);
        if(nIndex == -1)
            return FALSE;

        return SetIcon(nIndex, hIcon);
    }
#endif // ((_WIN32_IE >= 0x0400) && !defined(_WIN32_WCE)) || (defined(_WIN32_WCE) && (_WIN32_WCE >= 0x0500))

// Message map and handlers
    BEGIN_MSG_MAP(CMultiPaneStatusBarCtrlImpl< T >)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
    END_MSG_MAP()

    LRESULT OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);
        if(wParam != SIZE_MINIMIZED && m_nPanes > 0)
        {
            T* pT = static_cast<T*>(this);
            pT->UpdatePanesLayout();
        }
        return lRet;
    }

// Implementation
    BOOL UpdatePanesLayout()
    {
        // get pane positions
        CTempBuffer<int, _WTL_STACK_ALLOC_THRESHOLD> buff;
        int* pPanesPos = buff.Allocate(m_nPanes);
        ATLASSERT(pPanesPos != NULL);
        if(pPanesPos == NULL)
            return FALSE;
        int nRet = GetParts(m_nPanes, pPanesPos);
        ATLASSERT(nRet == m_nPanes);
        if(nRet != m_nPanes)
            return FALSE;
        // calculate offset
        RECT rcClient = { 0 };
        GetClientRect(&rcClient);
        int cxOff = rcClient.right - pPanesPos[m_nPanes - 1];
#ifndef _WIN32_WCE
        // Move panes left if size grip box is present
        if((GetStyle() & SBARS_SIZEGRIP) != 0)
            cxOff -= ::GetSystemMetrics(SM_CXVSCROLL) + ::GetSystemMetrics(SM_CXEDGE);
#endif // !_WIN32_WCE
        // find variable width pane
        int i;
        for(i = 0; i < m_nPanes; i++)
        {
            if(m_pPane[i] == ID_DEFAULT_PANE)
                break;
        }
        // resize all panes from the variable one to the right
        if((i < m_nPanes) && (pPanesPos[i] + cxOff) > ((i == 0) ? 0 : pPanesPos[i - 1]))
        {
            for(; i < m_nPanes; i++)
                pPanesPos[i] += cxOff;
        }
        // set pane postions
        return SetParts(m_nPanes, pPanesPos);
    }

    int GetPaneIndexFromID(int nPaneID) const
    {
        for(int i = 0; i < m_nPanes; i++)
        {
            if(m_pPane[i] == nPaneID)
                return i;
        }

        return -1;   // not found
    }
};

class CMultiPaneStatusBarCtrl : public CMultiPaneStatusBarCtrlImpl<CMultiPaneStatusBarCtrl>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_MultiPaneStatusBar"), GetWndClassName())
};


// CPaneContainer - provides header with title and close button for panes

// pane container extended styles
#define PANECNT_NOCLOSEBUTTON   0x00000001
#define PANECNT_VERTICAL        0x00000002
#define PANECNT_FLATBORDER      0x00000004
#define PANECNT_NOBORDER        0x00000008
#define PANECNT_DIVIDER         0x00000010
#define PANECNT_GRADIENT        0x00000020

// Note: PANECNT_GRADIENT doesn't work with _ATL_NO_MSIMG

template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
class ATL_NO_VTABLE CPaneContainerImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >, public CCustomDraw< T >
{
public:
    DECLARE_WND_CLASS_EX(NULL, 0, -1)

// Constants
    enum
    {
        m_cxyBorder = 2,
        m_cxyTextOffset = 4,
        m_cxyBtnOffset = 1,

        m_cchTitle = 80,

        m_cxImageTB = 13,
        m_cyImageTB = 11,
        m_cxyBtnAddTB = 7,

        m_cxToolBar = m_cxImageTB + m_cxyBtnAddTB + m_cxyBorder + m_cxyBtnOffset,

        m_xBtnImageLeft = 6,
        m_yBtnImageTop = 5,
        m_xBtnImageRight = 12,
        m_yBtnImageBottom = 11,

        m_nCloseBtnID = ID_PANE_CLOSE
    };

// Data members
    CToolBarCtrl m_tb;
    ATL::CWindow m_wndClient;
    int m_cxyHeader;
    TCHAR m_szTitle[m_cchTitle];
    DWORD m_dwExtendedStyle;   // Pane container specific extended styles
    HFONT m_hFont;
    bool m_bInternalFont;


// Constructor
    CPaneContainerImpl() : m_cxyHeader(0), m_dwExtendedStyle(0), m_hFont(NULL), m_bInternalFont(false)
    {
        m_szTitle[0] = 0;
    }

// Attributes
    DWORD GetPaneContainerExtendedStyle() const
    {
        return m_dwExtendedStyle;
    }

    DWORD SetPaneContainerExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
    {
        DWORD dwPrevStyle = m_dwExtendedStyle;
        if(dwMask == 0)
            m_dwExtendedStyle = dwExtendedStyle;
        else
            m_dwExtendedStyle = (m_dwExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
        if(m_hWnd != NULL)
        {
            T* pT = static_cast<T*>(this);
            bool bUpdate = false;

            if(((dwPrevStyle & PANECNT_NOCLOSEBUTTON) != 0) && ((m_dwExtendedStyle & PANECNT_NOCLOSEBUTTON) == 0))   // add close button
            {
                pT->CreateCloseButton();
                bUpdate = true;
            }
            else if(((dwPrevStyle & PANECNT_NOCLOSEBUTTON) == 0) && ((m_dwExtendedStyle & PANECNT_NOCLOSEBUTTON) != 0))   // remove close button
            {
                pT->DestroyCloseButton();
                bUpdate = true;
            }

            if((dwPrevStyle & PANECNT_VERTICAL) != (m_dwExtendedStyle & PANECNT_VERTICAL))   // change orientation
            {
                pT->CalcSize();
                bUpdate = true;
            }

            if((dwPrevStyle & (PANECNT_FLATBORDER | PANECNT_NOBORDER)) != 
               (m_dwExtendedStyle & (PANECNT_FLATBORDER | PANECNT_NOBORDER)))   // change border
            {
                bUpdate = true;
            }

#if (!defined(_WIN32_WCE) && !defined(_ATL_NO_MSIMG)) || (_WIN32_WCE >= 420)
            if((dwPrevStyle & PANECNT_GRADIENT) != (m_dwExtendedStyle & PANECNT_GRADIENT))   // change background
            {
                bUpdate = true;
            }
#endif // (!defined(_WIN32_WCE) && !defined(_ATL_NO_MSIMG)) || (_WIN32_WCE >= 420)

            if(bUpdate)
                pT->UpdateLayout();
        }
        return dwPrevStyle;
    }

    HWND GetClient() const
    {
        return m_wndClient;
    }

    HWND SetClient(HWND hWndClient)
    {
        HWND hWndOldClient = m_wndClient;
        m_wndClient = hWndClient;
        if(m_hWnd != NULL)
        {
            T* pT = static_cast<T*>(this);
            pT->UpdateLayout();
        }
        return hWndOldClient;
    }

    BOOL GetTitle(LPTSTR lpstrTitle, int cchLength) const
    {
        ATLASSERT(lpstrTitle != NULL);

        errno_t nRet = SecureHelper::strncpy_x(lpstrTitle, cchLength, m_szTitle, _TRUNCATE);

        return (nRet == 0 || nRet == STRUNCATE);
    }

    BOOL SetTitle(LPCTSTR lpstrTitle)
    {
        ATLASSERT(lpstrTitle != NULL);

        errno_t nRet = SecureHelper::strncpy_x(m_szTitle, m_cchTitle, lpstrTitle, _TRUNCATE);
        bool bRet = (nRet == 0 || nRet == STRUNCATE);
        if(bRet && m_hWnd != NULL)
        {
            T* pT = static_cast<T*>(this);
            pT->UpdateLayout();
        }

        return bRet;
    }

    int GetTitleLength() const
    {
        return lstrlen(m_szTitle);
    }

// Methods
    HWND Create(HWND hWndParent, LPCTSTR lpstrTitle = NULL, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
            DWORD dwExStyle = 0, UINT nID = 0, LPVOID lpCreateParam = NULL)
    {
        if(lpstrTitle != NULL)
            SecureHelper::strncpy_x(m_szTitle, m_cchTitle, lpstrTitle, _TRUNCATE);
#if (_MSC_VER >= 1300)
        return ATL::CWindowImpl< T, TBase, TWinTraits >::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        return _baseClass::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
#endif // !(_MSC_VER >= 1300)
    }

    HWND Create(HWND hWndParent, UINT uTitleID, DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
            DWORD dwExStyle = 0, UINT nID = 0, LPVOID lpCreateParam = NULL)
    {
        if(uTitleID != 0U)
            ::LoadString(ModuleHelper::GetResourceInstance(), uTitleID, m_szTitle, m_cchTitle);
#if (_MSC_VER >= 1300)
        return ATL::CWindowImpl< T, TBase, TWinTraits >::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        return _baseClass::Create(hWndParent, rcDefault, NULL, dwStyle, dwExStyle, nID, lpCreateParam);
#endif // !(_MSC_VER >= 1300)
    }

    BOOL SubclassWindow(HWND hWnd)
    {
#if (_MSC_VER >= 1300)
        BOOL bRet = ATL::CWindowImpl< T, TBase, TWinTraits >::SubclassWindow(hWnd);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        BOOL bRet = _baseClass::SubclassWindow(hWnd);
#endif // !(_MSC_VER >= 1300)
        if(bRet != FALSE)
        {
            T* pT = static_cast<T*>(this);
            pT->Init();

            RECT rect = { 0 };
            GetClientRect(&rect);
            pT->UpdateLayout(rect.right, rect.bottom);
        }

        return bRet;
    }

    BOOL EnableCloseButton(BOOL bEnable)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        T* pT = static_cast<T*>(this);
        pT;   // avoid level 4 warning
        return (m_tb.m_hWnd != NULL) ? m_tb.EnableButton(pT->m_nCloseBtnID, bEnable) : FALSE;
    }

    void UpdateLayout()
    {
        RECT rcClient = { 0 };
        GetClientRect(&rcClient);
        T* pT = static_cast<T*>(this);
        pT->UpdateLayout(rcClient.right, rcClient.bottom);
    }

// Message map and handlers
    BEGIN_MSG_MAP(CPaneContainerImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
        MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
        MESSAGE_HANDLER(WM_GETFONT, OnGetFont)
        MESSAGE_HANDLER(WM_SETFONT, OnSetFont)
        MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
        MESSAGE_HANDLER(WM_PAINT, OnPaint)
#ifndef _WIN32_WCE
        MESSAGE_HANDLER(WM_PRINTCLIENT, OnPaint)
#endif // !_WIN32_WCE
        MESSAGE_HANDLER(WM_NOTIFY, OnNotify)
        MESSAGE_HANDLER(WM_COMMAND, OnCommand)
        FORWARD_NOTIFICATIONS()
    END_MSG_MAP()

    LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->Init();

        return 0;
    }

    LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(m_bInternalFont)
        {
            ::DeleteObject(m_hFont);
            m_hFont = NULL;
            m_bInternalFont = false;
        }

        return 0;
    }

    LRESULT OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->UpdateLayout(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
        return 0;
    }

    LRESULT OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(m_wndClient.m_hWnd != NULL)
            m_wndClient.SetFocus();
        return 0;
    }

    LRESULT OnGetFont(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return (LRESULT)m_hFont;
    }

    LRESULT OnSetFont(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(m_bInternalFont)
        {
            ::DeleteObject(m_hFont);
            m_bInternalFont = false;
        }

        m_hFont = (HFONT)wParam;

        T* pT = static_cast<T*>(this);
        pT->CalcSize();

        if((BOOL)lParam != FALSE)
            pT->UpdateLayout();

        return 0;
    }

    LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->DrawPaneTitleBackground((HDC)wParam);

        return 1;
    }

    LRESULT OnPaint(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        if(wParam != NULL)
        {
            pT->DrawPaneTitle((HDC)wParam);

            if(m_wndClient.m_hWnd == NULL)   // no client window
                pT->DrawPane((HDC)wParam);
        }
        else
        {
            CPaintDC dc(m_hWnd);
            pT->DrawPaneTitle(dc.m_hDC);

            if(m_wndClient.m_hWnd == NULL)   // no client window
                pT->DrawPane(dc.m_hDC);
        }

        return 0;
    }

    LRESULT OnNotify(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(m_tb.m_hWnd == NULL)
        {
            bHandled = FALSE;
            return 1;
        }

        T* pT = static_cast<T*>(this);
        pT;
        LPNMHDR lpnmh = (LPNMHDR)lParam;
        LRESULT lRet = 0;

        // pass toolbar custom draw notifications to the base class
        if(lpnmh->code == NM_CUSTOMDRAW && lpnmh->hwndFrom == m_tb.m_hWnd)
            lRet = CCustomDraw< T >::OnCustomDraw(0, lpnmh, bHandled);
#ifndef _WIN32_WCE
        // tooltip notifications come with the tooltip window handle and button ID,
        // pass them to the parent if we don't handle them
        else if(lpnmh->code == TTN_GETDISPINFO && lpnmh->idFrom == pT->m_nCloseBtnID)
            bHandled = pT->GetToolTipText(lpnmh);
#endif // !_WIN32_WCE
        // only let notifications not from the toolbar go to the parent
        else if(lpnmh->hwndFrom != m_tb.m_hWnd && lpnmh->idFrom != pT->m_nCloseBtnID)
            bHandled = FALSE;

        return lRet;
    }

    LRESULT OnCommand(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        // if command comes from the close button, substitute HWND of the pane container instead
        if(m_tb.m_hWnd != NULL && (HWND)lParam == m_tb.m_hWnd)
            return ::SendMessage(GetParent(), WM_COMMAND, wParam, (LPARAM)m_hWnd);

        bHandled = FALSE;
        return 1;
    }

// Custom draw overrides
    DWORD OnPrePaint(int /*idCtrl*/, LPNMCUSTOMDRAW /*lpNMCustomDraw*/)
    {
        return CDRF_NOTIFYITEMDRAW;   // we need per-item notifications
    }

    DWORD OnItemPrePaint(int /*idCtrl*/, LPNMCUSTOMDRAW /*lpNMCustomDraw*/)
    {
        return CDRF_NOTIFYPOSTPAINT;
    }

    DWORD OnItemPostPaint(int /*idCtrl*/, LPNMCUSTOMDRAW lpNMCustomDraw)
    {
        CDCHandle dc = lpNMCustomDraw->hdc;
#if (_WIN32_IE >= 0x0400)
        RECT& rc = lpNMCustomDraw->rc;
#else // !(_WIN32_IE >= 0x0400)
        RECT rc = { 0 };
        m_tb.GetItemRect(0, &rc);
#endif // !(_WIN32_IE >= 0x0400)

        RECT rcImage = { m_xBtnImageLeft, m_yBtnImageTop, m_xBtnImageRight + 1, m_yBtnImageBottom + 1 };
        ::OffsetRect(&rcImage, rc.left, rc.top);
        T* pT = static_cast<T*>(this);

        if((lpNMCustomDraw->uItemState & CDIS_DISABLED) != 0)
        {
            RECT rcShadow = rcImage;
            ::OffsetRect(&rcShadow, 1, 1);
            CPen pen1;
            pen1.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_3DHILIGHT));
            pT->DrawButtonImage(dc, rcShadow, pen1);
            CPen pen2;
            pen2.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_3DSHADOW));
            pT->DrawButtonImage(dc, rcImage, pen2);
        }
        else
        {
            if((lpNMCustomDraw->uItemState & CDIS_SELECTED) != 0)
                ::OffsetRect(&rcImage, 1, 1);
            CPen pen;
            pen.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_BTNTEXT));
            pT->DrawButtonImage(dc, rcImage, pen);
        }

        return CDRF_DODEFAULT;   // continue with the default item painting
    }

// Implementation - overrideable methods
    void Init()
    {
        if(m_hFont == NULL)
        {
            // The same as AtlCreateControlFont() for horizontal pane
#ifndef _WIN32_WCE
            LOGFONT lf = { 0 };
            ATLVERIFY(::SystemParametersInfo(SPI_GETICONTITLELOGFONT, sizeof(LOGFONT), &lf, 0) != FALSE);
            if(IsVertical())
                lf.lfEscapement = 900;   // 90 degrees
            m_hFont = ::CreateFontIndirect(&lf);
#else // CE specific
            m_hFont = (HFONT)::GetStockObject(SYSTEM_FONT);
            if(IsVertical())
            {
                CLogFont lf(m_hFont);
                lf.lfEscapement = 900;   // 90 degrees
                m_hFont = ::CreateFontIndirect(&lf);
            }
#endif // _WIN32_WCE
            m_bInternalFont = true;
        }

        T* pT = static_cast<T*>(this);
        pT->CalcSize();

        if((m_dwExtendedStyle & PANECNT_NOCLOSEBUTTON) == 0)
            pT->CreateCloseButton();
    }

    void UpdateLayout(int cxWidth, int cyHeight)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        RECT rect = { 0 };

        if(IsVertical())
        {
            ::SetRect(&rect, 0, 0, m_cxyHeader, cyHeight);
            if(m_tb.m_hWnd != NULL)
                m_tb.SetWindowPos(NULL, m_cxyBorder, m_cxyBorder + m_cxyBtnOffset, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

            if(m_wndClient.m_hWnd != NULL)
                m_wndClient.SetWindowPos(NULL, m_cxyHeader, 0, cxWidth - m_cxyHeader, cyHeight, SWP_NOZORDER);
            else
                rect.right = cxWidth;
        }
        else
        {
            ::SetRect(&rect, 0, 0, cxWidth, m_cxyHeader);
            if(m_tb.m_hWnd != NULL)
                m_tb.SetWindowPos(NULL, rect.right - m_cxToolBar, m_cxyBorder + m_cxyBtnOffset, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

            if(m_wndClient.m_hWnd != NULL)
                m_wndClient.SetWindowPos(NULL, 0, m_cxyHeader, cxWidth, cyHeight - m_cxyHeader, SWP_NOZORDER);
            else
                rect.bottom = cyHeight;
        }

        InvalidateRect(&rect);
    }

    void CreateCloseButton()
    {
        ATLASSERT(m_tb.m_hWnd == NULL);
        // create toolbar for the "x" button
        m_tb.Create(m_hWnd, rcDefault, NULL, WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | CCS_NODIVIDER | CCS_NORESIZE | CCS_NOPARENTALIGN | CCS_NOMOVEY | TBSTYLE_TOOLTIPS | TBSTYLE_FLAT, 0);
        ATLASSERT(m_tb.IsWindow());

        if(m_tb.m_hWnd != NULL)
        {
            T* pT = static_cast<T*>(this);
            pT;   // avoid level 4 warning

            m_tb.SetButtonStructSize();

            TBBUTTON tbbtn = { 0 };
            tbbtn.idCommand = pT->m_nCloseBtnID;
            tbbtn.fsState = TBSTATE_ENABLED;
            tbbtn.fsStyle = BTNS_BUTTON;
            m_tb.AddButtons(1, &tbbtn);

            m_tb.SetBitmapSize(m_cxImageTB, m_cyImageTB);
            m_tb.SetButtonSize(m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB);

            if(IsVertical())
                m_tb.SetWindowPos(NULL, m_cxyBorder + m_cxyBtnOffset, m_cxyBorder + m_cxyBtnOffset, m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB + 1, SWP_NOZORDER | SWP_NOACTIVATE);
            else
                m_tb.SetWindowPos(NULL, 0, 0, m_cxImageTB + m_cxyBtnAddTB, m_cyImageTB + m_cxyBtnAddTB + 1, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
        }
    }

    void DestroyCloseButton()
    {
        if(m_tb.m_hWnd != NULL)
            m_tb.DestroyWindow();
    }

    void CalcSize()
    {
        T* pT = static_cast<T*>(this);
        CFontHandle font = pT->GetTitleFont();
        if(font.IsNull())
            font = (HFONT)::GetStockObject(SYSTEM_FONT);
        LOGFONT lf = { 0 };
        font.GetLogFont(lf);
        if(IsVertical())
        {
            m_cxyHeader = m_cxImageTB + m_cxyBtnAddTB + m_cxyBorder + 1;
        }
        else
        {
            int cyFont = abs(lf.lfHeight) + m_cxyBorder + 2 * m_cxyTextOffset;
            int cyBtn = m_cyImageTB + m_cxyBtnAddTB + m_cxyBorder + 2 * m_cxyBtnOffset + 1;
            m_cxyHeader = __max(cyFont, cyBtn);
        }
    }

    HFONT GetTitleFont() const
    {
        return m_hFont;
    }

#ifndef _WIN32_WCE
    BOOL GetToolTipText(LPNMHDR /*lpnmh*/)
    {
        return FALSE;
    }
#endif // !_WIN32_WCE

    void DrawPaneTitle(CDCHandle dc)
    {
        RECT rect = { 0 };
        GetClientRect(&rect);

        UINT uBorder = BF_LEFT | BF_TOP | BF_ADJUST;
        if(IsVertical())
        {
            rect.right = rect.left + m_cxyHeader;
            uBorder |= BF_BOTTOM;
        }
        else
        {
            rect.bottom = rect.top + m_cxyHeader;
            uBorder |= BF_RIGHT;
        }

        if((m_dwExtendedStyle & PANECNT_NOBORDER) == 0)
        {
            if((m_dwExtendedStyle & PANECNT_FLATBORDER) != 0)
                uBorder |= BF_FLAT;
            dc.DrawEdge(&rect, EDGE_ETCHED, uBorder);
        }

        if((m_dwExtendedStyle & PANECNT_DIVIDER) != 0)
        {
            uBorder = BF_FLAT | BF_ADJUST | (IsVertical() ? BF_RIGHT : BF_BOTTOM);
            dc.DrawEdge(&rect, BDR_SUNKENOUTER, uBorder);
        }

        // draw title text
        dc.SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
        dc.SetBkMode(TRANSPARENT);
        T* pT = static_cast<T*>(this);
        HFONT hFontOld = dc.SelectFont(pT->GetTitleFont());
#if defined(_WIN32_WCE) && !defined(DT_END_ELLIPSIS)
        const UINT DT_END_ELLIPSIS = 0;
#endif // defined(_WIN32_WCE) && !defined(DT_END_ELLIPSIS)

        if(IsVertical())
        {
            rect.top += m_cxyTextOffset;
            rect.bottom -= m_cxyTextOffset;
            if(m_tb.m_hWnd != NULL)
                rect.top += m_cxToolBar;;

            RECT rcCalc = { rect.left, rect.bottom, rect.right, rect.top };
            int cxFont = dc.DrawText(m_szTitle, -1, &rcCalc, DT_TOP | DT_SINGLELINE | DT_END_ELLIPSIS | DT_CALCRECT);
            RECT rcText = { 0 };
            rcText.left = (rect.right - rect.left - cxFont) / 2;
            rcText.right = rcText.left + (rect.bottom - rect.top);
            rcText.top = rect.bottom;
            rcText.bottom = rect.top;
            dc.DrawText(m_szTitle, -1, &rcText, DT_TOP | DT_SINGLELINE | DT_END_ELLIPSIS);
        }
        else
        {
            rect.left += m_cxyTextOffset;
            rect.right -= m_cxyTextOffset;
            if(m_tb.m_hWnd != NULL)
                rect.right -= m_cxToolBar;;

            dc.DrawText(m_szTitle, -1, &rect, DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_END_ELLIPSIS);
        }

        dc.SelectFont(hFontOld);
    }

    void DrawPaneTitleBackground(CDCHandle dc)
    {
        RECT rect = { 0 };
        GetClientRect(&rect);
        if(IsVertical())
            rect.right = m_cxyHeader;
        else
            rect.bottom = m_cxyHeader;

#if (!defined(_WIN32_WCE) && !defined(_ATL_NO_MSIMG)) || (_WIN32_WCE >= 420)
        if((m_dwExtendedStyle & PANECNT_GRADIENT) != 0)
            dc.GradientFillRect(rect, ::GetSysColor(COLOR_WINDOW), ::GetSysColor(COLOR_3DFACE), IsVertical());
        else
#endif // (!defined(_WIN32_WCE) && !defined(_ATL_NO_MSIMG)) || (_WIN32_WCE >= 420)
            dc.FillRect(&rect, COLOR_3DFACE);
    }

    // called only if pane is empty
    void DrawPane(CDCHandle dc)
    {
        RECT rect = { 0 };
        GetClientRect(&rect);
        if(IsVertical())
            rect.left += m_cxyHeader;
        else
            rect.top += m_cxyHeader;
        if((GetExStyle() & WS_EX_CLIENTEDGE) == 0)
            dc.DrawEdge(&rect, EDGE_SUNKEN, BF_RECT | BF_ADJUST);
        dc.FillRect(&rect, COLOR_APPWORKSPACE);
    }

    // drawing helper - draws "x" button image
    void DrawButtonImage(CDCHandle dc, RECT& rcImage, HPEN hPen)
    {
#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
        HPEN hPenOld = dc.SelectPen(hPen);

        dc.MoveTo(rcImage.left, rcImage.top);
        dc.LineTo(rcImage.right, rcImage.bottom);
        dc.MoveTo(rcImage.left + 1, rcImage.top);
        dc.LineTo(rcImage.right + 1, rcImage.bottom);

        dc.MoveTo(rcImage.left, rcImage.bottom - 1);
        dc.LineTo(rcImage.right, rcImage.top - 1);
        dc.MoveTo(rcImage.left + 1, rcImage.bottom - 1);
        dc.LineTo(rcImage.right + 1, rcImage.top - 1);

        dc.SelectPen(hPenOld);
#else // (_WIN32_WCE < 400)
        rcImage;
        hPen;
        // no support for the "x" button image
#endif // (_WIN32_WCE < 400)
    }

    bool IsVertical() const
    {
        return ((m_dwExtendedStyle & PANECNT_VERTICAL) != 0);
    }
};

class CPaneContainer : public CPaneContainerImpl<CPaneContainer>
{
public:
    DECLARE_WND_CLASS_EX(_T("WTL_PaneContainer"), 0, -1)
};


// CSortListViewCtrl - implements sorting for a listview control

// sort listview extended styles
#define SORTLV_USESHELLBITMAPS  0x00000001

// Notification sent to parent when sort column is changed by user clicking header.  
#define SLVN_SORTCHANGED    LVN_LAST

// A LPNMSORTLISTVIEW is sent with the SLVN_SORTCHANGED notification
typedef struct tagNMSORTLISTVIEW
{
    NMHDR hdr;
    int iNewSortColumn;
    int iOldSortColumn;
} NMSORTLISTVIEW, *LPNMSORTLISTVIEW;

// Column sort types. Can be set on a per-column basis with the SetColumnSortType method.
enum
{
    LVCOLSORT_NONE,
    LVCOLSORT_TEXT,   // default
    LVCOLSORT_TEXTNOCASE,
    LVCOLSORT_LONG,
    LVCOLSORT_DOUBLE,
    LVCOLSORT_DECIMAL,
    LVCOLSORT_DATETIME,
    LVCOLSORT_DATE,
    LVCOLSORT_TIME,
    LVCOLSORT_CUSTOM,
    LVCOLSORT_LAST = LVCOLSORT_CUSTOM
};


template <class T>
class CSortListViewImpl
{
public:
    enum
    {
        m_cchCmpTextMax = 32, // overrideable
        m_cxSortImage = 16,
        m_cySortImage = 15,
        m_cxSortArrow = 11,
        m_cySortArrow = 6,
        m_iSortUp = 0,        // index of sort bitmaps
        m_iSortDown = 1,
        m_nShellSortUpID = 133
    };

    // passed to LVCompare functions as lParam1 and lParam2 
    struct LVCompareParam
    {
        int iItem;
        DWORD_PTR dwItemData;
        union
        {
            long lValue;
            double dblValue;
            DECIMAL decValue;
            LPCTSTR pszValue;
        };
    };
    
    // passed to LVCompare functions as the lParamSort parameter
    struct LVSortInfo
    {
        T* pT;
        int iSortCol;
        bool bDescending;
    };

    bool m_bSortDescending;
    bool m_bCommCtrl6;
    int m_iSortColumn;
    CBitmap m_bmSort[2];
    int m_fmtOldSortCol;
    HBITMAP m_hbmOldSortCol;
    DWORD m_dwSortLVExtendedStyle;
    ATL::CSimpleArray<WORD> m_arrColSortType;
    bool m_bUseWaitCursor;
    
    CSortListViewImpl() :
            m_bSortDescending(false),
            m_bCommCtrl6(false),
            m_iSortColumn(-1), 
            m_fmtOldSortCol(0),
            m_hbmOldSortCol(NULL),
            m_dwSortLVExtendedStyle(SORTLV_USESHELLBITMAPS),
            m_bUseWaitCursor(true)
    {
#ifndef _WIN32_WCE
        DWORD dwMajor = 0;
        DWORD dwMinor = 0;
        HRESULT hRet = ATL::AtlGetCommCtrlVersion(&dwMajor, &dwMinor);
        m_bCommCtrl6 = SUCCEEDED(hRet) && dwMajor >= 6;
#endif // !_WIN32_WCE
    }
    
// Attributes
    void SetSortColumn(int iCol)
    {
        T* pT = static_cast<T*>(this);
        ATLASSERT(::IsWindow(pT->m_hWnd));
        CHeaderCtrl header = pT->GetHeader();
        ATLASSERT(header.m_hWnd != NULL);
        ATLASSERT(iCol >= -1 && iCol < m_arrColSortType.GetSize());

        int iOldSortCol = m_iSortColumn;
        m_iSortColumn = iCol;
        if(m_bCommCtrl6)
        {
#ifndef HDF_SORTUP
            const int HDF_SORTUP = 0x0400;  
#endif // HDF_SORTUP
#ifndef HDF_SORTDOWN
            const int HDF_SORTDOWN = 0x0200;    
#endif // HDF_SORTDOWN
            const int nMask = HDF_SORTUP | HDF_SORTDOWN;
            HDITEM hditem = { HDI_FORMAT };
            if(iOldSortCol != iCol && iOldSortCol >= 0 && header.GetItem(iOldSortCol, &hditem))
            {
                hditem.fmt &= ~nMask;
                header.SetItem(iOldSortCol, &hditem);
            }
            if(iCol >= 0 && header.GetItem(iCol, &hditem))
            {
                hditem.fmt &= ~nMask;
                hditem.fmt |= m_bSortDescending ? HDF_SORTDOWN : HDF_SORTUP;
                header.SetItem(iCol, &hditem);
            }
            return;
        }

        if(m_bmSort[m_iSortUp].IsNull())
            pT->CreateSortBitmaps();

        // restore previous sort column's bitmap, if any, and format
        HDITEM hditem = { HDI_BITMAP | HDI_FORMAT };
        if(iOldSortCol != iCol && iOldSortCol >= 0)
        {
            hditem.hbm = m_hbmOldSortCol;
            hditem.fmt = m_fmtOldSortCol;
            header.SetItem(iOldSortCol, &hditem);
        }

        // save new sort column's bitmap and format, and add our sort bitmap
        if(iCol >= 0 && header.GetItem(iCol, &hditem))
        {
            if(iOldSortCol != iCol)
            {
                m_fmtOldSortCol = hditem.fmt;
                m_hbmOldSortCol = hditem.hbm;
            }
            hditem.fmt &= ~HDF_IMAGE;
            hditem.fmt |= HDF_BITMAP | HDF_BITMAP_ON_RIGHT;
            int i = m_bSortDescending ? m_iSortDown : m_iSortUp;
            hditem.hbm = m_bmSort[i];
            header.SetItem(iCol, &hditem);
        }
    }

    int GetSortColumn() const
    {
        return m_iSortColumn;
    }

    void SetColumnSortType(int iCol, WORD wType)
    {
        ATLASSERT(iCol >= 0 && iCol < m_arrColSortType.GetSize());
        ATLASSERT(wType >= LVCOLSORT_NONE && wType <= LVCOLSORT_LAST);
        m_arrColSortType[iCol] = wType;
    }

    WORD GetColumnSortType(int iCol) const
    {
        ATLASSERT((iCol >= 0) && iCol < m_arrColSortType.GetSize());
        return m_arrColSortType[iCol];
    }

    int GetColumnCount() const
    {
        const T* pT = static_cast<const T*>(this);
        ATLASSERT(::IsWindow(pT->m_hWnd));
        CHeaderCtrl header = pT->GetHeader();
        return header.m_hWnd != NULL ? header.GetItemCount() : 0;
    }

    bool IsSortDescending() const
    {
        return m_bSortDescending;
    }

    DWORD GetSortListViewExtendedStyle() const
    {
        return m_dwSortLVExtendedStyle;
    }

    DWORD SetSortListViewExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0)
    {
        DWORD dwPrevStyle = m_dwSortLVExtendedStyle;
        if(dwMask == 0)
            m_dwSortLVExtendedStyle = dwExtendedStyle;
        else
            m_dwSortLVExtendedStyle = (m_dwSortLVExtendedStyle & ~dwMask) | (dwExtendedStyle & dwMask);
        return dwPrevStyle;
    }

// Operations
    bool DoSortItems(int iCol, bool bDescending = false)
    {
        T* pT = static_cast<T*>(this);
        ATLASSERT(::IsWindow(pT->m_hWnd));
        ATLASSERT(iCol >= 0 && iCol < m_arrColSortType.GetSize());

        WORD wType = m_arrColSortType[iCol];
        if(wType == LVCOLSORT_NONE)
            return false;

        int nCount = pT->GetItemCount();
        if(nCount < 2)
        {
            m_bSortDescending = bDescending;
            SetSortColumn(iCol);
            return true;
        }

        CWaitCursor waitCursor(false);
        if(m_bUseWaitCursor)
            waitCursor.Set();

        LVCompareParam* pParam = NULL;
        ATLTRY(pParam = new LVCompareParam[nCount]);
        PFNLVCOMPARE pFunc = NULL;
        TCHAR pszTemp[pT->m_cchCmpTextMax] = { 0 };
        bool bStrValue = false;

        switch(wType)
        {
        case LVCOLSORT_TEXT:
            pFunc = (PFNLVCOMPARE)pT->LVCompareText;
        case LVCOLSORT_TEXTNOCASE:
            if(pFunc == NULL)
                pFunc = (PFNLVCOMPARE)pT->LVCompareTextNoCase;
        case LVCOLSORT_CUSTOM:
            {
                if(pFunc == NULL)
                    pFunc = (PFNLVCOMPARE)pT->LVCompareCustom;

                for(int i = 0; i < nCount; i++)
                {
                    pParam[i].iItem = i;
                    pParam[i].dwItemData = pT->GetItemData(i);
                    pParam[i].pszValue = new TCHAR[pT->m_cchCmpTextMax];
                    pT->GetItemText(i, iCol, (LPTSTR)pParam[i].pszValue, pT->m_cchCmpTextMax);
                    pT->SetItemData(i, (DWORD_PTR)&pParam[i]);
                }
                bStrValue = true;
            }
            break;
        case LVCOLSORT_LONG:
            {
                pFunc = (PFNLVCOMPARE)pT->LVCompareLong;
                for(int i = 0; i < nCount; i++)
                {
                    pParam[i].iItem = i;
                    pParam[i].dwItemData = pT->GetItemData(i);
                    pT->GetItemText(i, iCol, pszTemp, pT->m_cchCmpTextMax);
                    pParam[i].lValue = pT->StrToLong(pszTemp);
                    pT->SetItemData(i, (DWORD_PTR)&pParam[i]);
                }
            }
            break;
        case LVCOLSORT_DOUBLE:
            {
                pFunc = (PFNLVCOMPARE)pT->LVCompareDouble;
                for(int i = 0; i < nCount; i++)
                {
                    pParam[i].iItem = i;
                    pParam[i].dwItemData = pT->GetItemData(i);
                    pT->GetItemText(i, iCol, pszTemp, pT->m_cchCmpTextMax);
                    pParam[i].dblValue = pT->StrToDouble(pszTemp);
                    pT->SetItemData(i, (DWORD_PTR)&pParam[i]);
                }
            }
            break;
        case LVCOLSORT_DECIMAL:
            {
                pFunc = (PFNLVCOMPARE)pT->LVCompareDecimal;
                for(int i = 0; i < nCount; i++)
                {
                    pParam[i].iItem = i;
                    pParam[i].dwItemData = pT->GetItemData(i);
                    pT->GetItemText(i, iCol, pszTemp, pT->m_cchCmpTextMax);
                    pT->StrToDecimal(pszTemp, &pParam[i].decValue);
                    pT->SetItemData(i, (DWORD_PTR)&pParam[i]);
                }
            }
            break;
        case LVCOLSORT_DATETIME:
        case LVCOLSORT_DATE:
        case LVCOLSORT_TIME:
            {
                pFunc = (PFNLVCOMPARE)pT->LVCompareDouble;
                DWORD dwFlags = LOCALE_NOUSEROVERRIDE;
                if(wType == LVCOLSORT_DATE)
                    dwFlags |= VAR_DATEVALUEONLY;
                else if(wType == LVCOLSORT_TIME)
                    dwFlags |= VAR_TIMEVALUEONLY;
                for(int i = 0; i < nCount; i++)
                {
                    pParam[i].iItem = i;
                    pParam[i].dwItemData = pT->GetItemData(i);
                    pT->GetItemText(i, iCol, pszTemp, pT->m_cchCmpTextMax);
                    pParam[i].dblValue = pT->DateStrToDouble(pszTemp, dwFlags);
                    pT->SetItemData(i, (DWORD_PTR)&pParam[i]);
                }
            }
            break;
        default:
            ATLTRACE2(atlTraceUI, 0, _T("Unknown value for sort type in CSortListViewImpl::DoSortItems()\n"));
            break;
        } // switch(wType)

        ATLASSERT(pFunc != NULL);
        LVSortInfo lvsi = { pT, iCol, bDescending };
        bool bRet = ((BOOL)pT->DefWindowProc(LVM_SORTITEMS, (WPARAM)&lvsi, (LPARAM)pFunc) != FALSE);
        for(int i = 0; i < nCount; i++)
        {
            DWORD_PTR dwItemData = pT->GetItemData(i);
            LVCompareParam* p = (LVCompareParam*)dwItemData;
            ATLASSERT(p != NULL);
            if(bStrValue)
                delete [] (TCHAR*)p->pszValue;
            pT->SetItemData(i, p->dwItemData);
        }
        delete [] pParam;

        if(bRet)
        {
            m_bSortDescending = bDescending;
            SetSortColumn(iCol);
        }

        if(m_bUseWaitCursor)
            waitCursor.Restore();

        return bRet;
    }

    void CreateSortBitmaps()
    {
        if((m_dwSortLVExtendedStyle & SORTLV_USESHELLBITMAPS) != 0)
        {
            bool bFree = false;
            LPCTSTR pszModule = _T("shell32.dll"); 
            HINSTANCE hShell = ::GetModuleHandle(pszModule);

            if (hShell == NULL)     
            {
                hShell = ::LoadLibrary(pszModule);
                bFree = true;
            }
 
            if (hShell != NULL)
            {
                bool bSuccess = true;
                for(int i = m_iSortUp; i <= m_iSortDown; i++)
                {
                    if(!m_bmSort[i].IsNull())
                        m_bmSort[i].DeleteObject();
                    m_bmSort[i] = (HBITMAP)::LoadImage(hShell, MAKEINTRESOURCE(m_nShellSortUpID + i), 
#ifndef _WIN32_WCE
                        IMAGE_BITMAP, 0, 0, LR_LOADMAP3DCOLORS);
#else // CE specific
                        IMAGE_BITMAP, 0, 0, 0);
#endif // _WIN32_WCE
                    if(m_bmSort[i].IsNull())
                    {
                        bSuccess = false;
                        break;
                    }
                }
                if(bFree)
                    ::FreeLibrary(hShell);
                if(bSuccess)
                    return;
            }
        }

        T* pT = static_cast<T*>(this);
        for(int i = m_iSortUp; i <= m_iSortDown; i++)
        {
            if(!m_bmSort[i].IsNull())
                m_bmSort[i].DeleteObject();

            CDC dcMem;
            CClientDC dc(::GetDesktopWindow());
            dcMem.CreateCompatibleDC(dc.m_hDC);
            m_bmSort[i].CreateCompatibleBitmap(dc.m_hDC, m_cxSortImage, m_cySortImage);
            HBITMAP hbmOld = dcMem.SelectBitmap(m_bmSort[i]);
            RECT rc = { 0, 0, m_cxSortImage, m_cySortImage };
            pT->DrawSortBitmap(dcMem.m_hDC, i, &rc);
            dcMem.SelectBitmap(hbmOld);
            dcMem.DeleteDC();
        }
    }

    void NotifyParentSortChanged(int iNewSortCol, int iOldSortCol)
    {
        T* pT = static_cast<T*>(this);
        int nID = pT->GetDlgCtrlID();
        NMSORTLISTVIEW nm = { { pT->m_hWnd, (UINT_PTR)nID, SLVN_SORTCHANGED }, iNewSortCol, iOldSortCol };
        ::SendMessage(pT->GetParent(), WM_NOTIFY, (WPARAM)nID, (LPARAM)&nm);
    }

// Overrideables
    int CompareItemsCustom(LVCompareParam* /*pItem1*/, LVCompareParam* /*pItem2*/, int /*iSortCol*/)
    {
        // pItem1 and pItem2 contain valid iItem, dwItemData, and pszValue members.
        // If item1 > item2 return 1, if item1 < item2 return -1, else return 0.
        return 0;
    }

    void DrawSortBitmap(CDCHandle dc, int iBitmap, LPRECT prc)
    {
        dc.FillRect(prc, ::GetSysColorBrush(COLOR_BTNFACE));    
        HBRUSH hbrOld = dc.SelectBrush(::GetSysColorBrush(COLOR_BTNSHADOW));
        CPen pen;
        pen.CreatePen(PS_SOLID, 0, ::GetSysColor(COLOR_BTNSHADOW));
        HPEN hpenOld = dc.SelectPen(pen);
        POINT ptOrg = { (m_cxSortImage - m_cxSortArrow) / 2, (m_cySortImage - m_cySortArrow) / 2 };
        if(iBitmap == m_iSortUp)
        {
            POINT pts[3] = 
            {
                { ptOrg.x + m_cxSortArrow / 2, ptOrg.y },
                { ptOrg.x, ptOrg.y + m_cySortArrow - 1 }, 
                { ptOrg.x + m_cxSortArrow - 1, ptOrg.y + m_cySortArrow - 1 }
            };
            dc.Polygon(pts, 3);
        }
        else
        {
            POINT pts[3] = 
            {
                { ptOrg.x, ptOrg.y },
                { ptOrg.x + m_cxSortArrow / 2, ptOrg.y + m_cySortArrow - 1 },
                { ptOrg.x + m_cxSortArrow - 1, ptOrg.y }
            };
            dc.Polygon(pts, 3);
        }
        dc.SelectBrush(hbrOld);
        dc.SelectPen(hpenOld);
    }

    double DateStrToDouble(LPCTSTR lpstr, DWORD dwFlags)
    {
        ATLASSERT(lpstr != NULL);
        if(lpstr == NULL || lpstr[0] == _T('\0'))
            return 0;

        USES_CONVERSION;
        HRESULT hRet = E_FAIL;
        DATE dRet = 0;
        if (FAILED(hRet = ::VarDateFromStr((LPOLESTR)T2COLE(lpstr), LANG_USER_DEFAULT, dwFlags, &dRet)))
        {
            ATLTRACE2(atlTraceUI, 0, _T("VarDateFromStr failed with result of 0x%8.8X\n"), hRet);
            dRet = 0;
        }
        return dRet;
    }

    long StrToLong(LPCTSTR lpstr)
    {
        ATLASSERT(lpstr != NULL);
        if(lpstr == NULL || lpstr[0] == _T('\0'))
            return 0;
        
        USES_CONVERSION;
        HRESULT hRet = E_FAIL;
        long lRet = 0;
        if (FAILED(hRet = ::VarI4FromStr((LPOLESTR)T2COLE(lpstr), LANG_USER_DEFAULT, LOCALE_NOUSEROVERRIDE, &lRet)))
        {
            ATLTRACE2(atlTraceUI, 0, _T("VarI4FromStr failed with result of 0x%8.8X\n"), hRet);
            lRet = 0;
        }
        return lRet;
    }

    double StrToDouble(LPCTSTR lpstr)
    {
        ATLASSERT(lpstr != NULL);
        if(lpstr == NULL || lpstr[0] == _T('\0'))
            return 0;

        USES_CONVERSION;
        HRESULT hRet = E_FAIL;
        double dblRet = 0;
        if (FAILED(hRet = ::VarR8FromStr((LPOLESTR)T2COLE(lpstr), LANG_USER_DEFAULT, LOCALE_NOUSEROVERRIDE, &dblRet)))
        {
            ATLTRACE2(atlTraceUI, 0, _T("VarR8FromStr failed with result of 0x%8.8X\n"), hRet);
            dblRet = 0;
        }
        return dblRet;
    }

    bool StrToDecimal(LPCTSTR lpstr, DECIMAL* pDecimal)
    {
        ATLASSERT(lpstr != NULL);
        ATLASSERT(pDecimal != NULL);
        if(lpstr == NULL || pDecimal == NULL)
            return false;

        USES_CONVERSION;
        HRESULT hRet = E_FAIL;
        if (FAILED(hRet = ::VarDecFromStr((LPOLESTR)T2COLE(lpstr), LANG_USER_DEFAULT, LOCALE_NOUSEROVERRIDE, pDecimal)))
        {
            ATLTRACE2(atlTraceUI, 0, _T("VarDecFromStr failed with result of 0x%8.8X\n"), hRet);
            pDecimal->Lo64 = 0;
            pDecimal->Hi32 = 0;
            pDecimal->signscale = 0;
            return false;
        }
        return true;
    }

// Overrideable PFNLVCOMPARE functions
    static int CALLBACK LVCompareText(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = lstrcmp(pParam1->pszValue, pParam2->pszValue);
        return pInfo->bDescending ? -nRet : nRet;
    }

    static int CALLBACK LVCompareTextNoCase(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = lstrcmpi(pParam1->pszValue, pParam2->pszValue);
        return pInfo->bDescending ? -nRet : nRet;
    }

    static int CALLBACK LVCompareLong(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = 0;
        if(pParam1->lValue > pParam2->lValue)
            nRet = 1;
        else if(pParam1->lValue < pParam2->lValue)
            nRet = -1;
        return pInfo->bDescending ? -nRet : nRet;
    }

    static int CALLBACK LVCompareDouble(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = 0;
        if(pParam1->dblValue > pParam2->dblValue)
            nRet = 1;
        else if(pParam1->dblValue < pParam2->dblValue)
            nRet = -1;
        return pInfo->bDescending ? -nRet : nRet;
    }

    static int CALLBACK LVCompareCustom(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = pInfo->pT->CompareItemsCustom(pParam1, pParam2, pInfo->iSortCol);
        return pInfo->bDescending ? -nRet : nRet;
    }

#ifndef _WIN32_WCE
    static int CALLBACK LVCompareDecimal(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = (int)::VarDecCmp(&pParam1->decValue, &pParam2->decValue);
        nRet--;
        return pInfo->bDescending ? -nRet : nRet;
    }
#else
    // Compare mantissas, ignore sign and scale
    static int CompareMantissas(const DECIMAL& decLeft, const DECIMAL& decRight)
    {
        if (decLeft.Hi32 < decRight.Hi32)
        {
            return -1;
        }
        if (decLeft.Hi32 > decRight.Hi32)
        {
            return 1;
        }
        // Here, decLeft.Hi32 == decRight.Hi32
        if (decLeft.Lo64 < decRight.Lo64)
        {
            return -1;
        }
        if (decLeft.Lo64 > decRight.Lo64)
        {
            return 1;
        }
        return 0;
    }

    // return values: VARCMP_LT, VARCMP_EQ, VARCMP_GT, VARCMP_NULL
    static HRESULT VarDecCmp(const DECIMAL* pdecLeft, const DECIMAL* pdecRight)
    {
        static const ULONG powersOfTen[] =
        {
            10ul,
            100ul,
            1000ul,
            10000ul,
            100000ul,
            1000000ul,
            10000000ul,
            100000000ul,
            1000000000ul
        };
        static const int largestPower = sizeof(powersOfTen) / sizeof(powersOfTen[0]);
        if (!pdecLeft || !pdecRight)
        {
            return VARCMP_NULL;
        }
        
        // Degenerate case - at least one comparand is of the form
        // [+-]0*10^N (denormalized zero)
        bool bLeftZero = (!pdecLeft->Lo64 && !pdecLeft->Hi32);
        bool bRightZero = (!pdecRight->Lo64 && !pdecRight->Hi32);
        if (bLeftZero && bRightZero)
        {
            return VARCMP_EQ;
        }
        bool bLeftNeg = ((pdecLeft->sign & DECIMAL_NEG) != 0);
        bool bRightNeg = ((pdecRight->sign & DECIMAL_NEG) != 0);
        if (bLeftZero)
        {
            return (bRightNeg ? VARCMP_GT : VARCMP_LT);
        }
        // This also covers the case where the comparands have different signs
        if (bRightZero || bLeftNeg != bRightNeg)
        {
            return (bLeftNeg ? VARCMP_LT : VARCMP_GT);
        }

        // Here both comparands have the same sign and need to be compared
        // on mantissa and scale. The result is obvious when
        // 1. Scales are equal (then compare mantissas)
        // 2. A number with smaller scale is also the one with larger mantissa
        //    (then this number is obviously larger)
        // In the remaining case, we would multiply the number with smaller
        // scale by 10 and simultaneously increment its scale (which amounts to
        // adding trailing zeros after decimal point), until the numbers fall under
        // one of the two cases above
        DECIMAL temp;
        bool bInvert = bLeftNeg; // the final result needs to be inverted
        if (pdecLeft->scale < pdecRight->scale)
        {
            temp = *pdecLeft;
        }
        else
        {
            temp = *pdecRight;
            pdecRight = pdecLeft;
            bInvert = !bInvert;
        }

        // Now temp is the number with smaller (or equal) scale, and
        // we can modify it freely without touching original parameters
        int comp;
        while ((comp = CompareMantissas(temp, *pdecRight)) < 0 &&
            temp.scale < pdecRight->scale)
        {
            // Multiply by an appropriate power of 10
            int scaleDiff = pdecRight->scale - temp.scale;
            if (scaleDiff > largestPower)
            {
                // Keep the multiplier representable in 32bit
                scaleDiff = largestPower;
            }
            DWORDLONG power = powersOfTen[scaleDiff - 1];
            // Multiply temp's mantissa by power
            DWORDLONG product = temp.Lo32 * power;
            ULONG carry = static_cast<ULONG>(product >> 32);
            temp.Lo32  = static_cast<ULONG>(product);
            product = temp.Mid32 * power + carry;
            carry = static_cast<ULONG>(product >> 32);
            temp.Mid32 = static_cast<ULONG>(product);
            product = temp.Hi32 * power + carry;
            if (static_cast<ULONG>(product >> 32))
            {
                // Multiplication overflowed - pdecLeft is clearly larger
                break;
            }
            temp.Hi32 = static_cast<ULONG>(product);
            temp.scale = (BYTE)(temp.scale + scaleDiff);
        }
        if (temp.scale < pdecRight->scale)
        {
            comp = 1;
        }
        if (bInvert)
        {
            comp = -comp;
        }
        return (comp > 0 ? VARCMP_GT : comp < 0 ? VARCMP_LT : VARCMP_EQ);
    }

    static int CALLBACK LVCompareDecimal(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
    {
        ATLASSERT(lParam1 != NULL && lParam2 != NULL && lParamSort != NULL);

        LVCompareParam* pParam1 = (LVCompareParam*)lParam1;
        LVCompareParam* pParam2 = (LVCompareParam*)lParam2;
        LVSortInfo* pInfo = (LVSortInfo*)lParamSort;
        
        int nRet = (int)VarDecCmp(&pParam1->decValue, &pParam2->decValue);
        nRet--;
        return pInfo->bDescending ? -nRet : nRet;
    }
#endif // !_WIN32_WCE

    BEGIN_MSG_MAP(CSortListViewImpl)
        MESSAGE_HANDLER(LVM_INSERTCOLUMN, OnInsertColumn)
        MESSAGE_HANDLER(LVM_DELETECOLUMN, OnDeleteColumn)
        NOTIFY_CODE_HANDLER(HDN_ITEMCLICKA, OnHeaderItemClick)
        NOTIFY_CODE_HANDLER(HDN_ITEMCLICKW, OnHeaderItemClick)
        MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChange)
    END_MSG_MAP()

    LRESULT OnInsertColumn(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/) 
    {
        T* pT = static_cast<T*>(this);
        LRESULT lRet = pT->DefWindowProc(uMsg, wParam, lParam);
        if(lRet == -1)
            return -1;

        WORD wType = 0;
        m_arrColSortType.Add(wType);
        int nCount = m_arrColSortType.GetSize();
        ATLASSERT(nCount == GetColumnCount());

        for(int i = nCount - 1; i > lRet; i--)
            m_arrColSortType[i] = m_arrColSortType[i - 1];
        m_arrColSortType[(int)lRet] = LVCOLSORT_TEXT;

        if(lRet <= m_iSortColumn)
            m_iSortColumn++;

        return lRet;
    }

    LRESULT OnDeleteColumn(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/) 
    {
        T* pT = static_cast<T*>(this);
        LRESULT lRet = pT->DefWindowProc(uMsg, wParam, lParam);
        if(lRet == 0)
            return 0;

        int iCol = (int)wParam; 
        if(m_iSortColumn == iCol)
            m_iSortColumn = -1;
        else if(m_iSortColumn > iCol)
            m_iSortColumn--;
        m_arrColSortType.RemoveAt(iCol);

        return lRet;
    }

    LRESULT OnHeaderItemClick(int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
    {
        LPNMHEADER p = (LPNMHEADER)pnmh;
        if(p->iButton == 0)
        {
            int iOld = m_iSortColumn;
            bool bDescending = (m_iSortColumn == p->iItem) ? !m_bSortDescending : false;
            if(DoSortItems(p->iItem, bDescending))
                NotifyParentSortChanged(p->iItem, iOld);                
        }
        bHandled = FALSE;
        return 0;
    }

    LRESULT OnSettingChange(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifndef _WIN32_WCE
        if(wParam == SPI_SETNONCLIENTMETRICS)
            GetSystemSettings();
#else  // CE specific
        wParam; // avoid level 4 warning
        GetSystemSettings();
#endif // _WIN32_WCE
        bHandled = FALSE;
        return 0;
    }

    void GetSystemSettings()
    {
        if(!m_bCommCtrl6 && !m_bmSort[m_iSortUp].IsNull())
        {
            T* pT = static_cast<T*>(this);
            pT->CreateSortBitmaps();
            if(m_iSortColumn != -1)
                SetSortColumn(m_iSortColumn);
        }
    }

};


typedef ATL::CWinTraits<WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | LVS_REPORT | LVS_SHOWSELALWAYS , WS_EX_CLIENTEDGE>   CSortListViewCtrlTraits;

template <class T, class TBase = CListViewCtrl, class TWinTraits = CSortListViewCtrlTraits>
class ATL_NO_VTABLE CSortListViewCtrlImpl: public ATL::CWindowImpl<T, TBase, TWinTraits>, public CSortListViewImpl<T>
{
public:
    DECLARE_WND_SUPERCLASS(NULL, TBase::GetWndClassName())

    bool SortItems(int iCol, bool bDescending = false)
    {
        return DoSortItems(iCol, bDescending);
    }
        
    BEGIN_MSG_MAP(CSortListViewCtrlImpl)
        MESSAGE_HANDLER(LVM_INSERTCOLUMN, CSortListViewImpl<T>::OnInsertColumn)
        MESSAGE_HANDLER(LVM_DELETECOLUMN, CSortListViewImpl<T>::OnDeleteColumn)
        NOTIFY_CODE_HANDLER(HDN_ITEMCLICKA, CSortListViewImpl<T>::OnHeaderItemClick)
        NOTIFY_CODE_HANDLER(HDN_ITEMCLICKW, CSortListViewImpl<T>::OnHeaderItemClick)
        MESSAGE_HANDLER(WM_SETTINGCHANGE, CSortListViewImpl<T>::OnSettingChange)
    END_MSG_MAP()
};

class CSortListViewCtrl : public CSortListViewCtrlImpl<CSortListViewCtrl>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_SortListViewCtrl"), GetWndClassName())
};


// CTabView - implements tab view window

// TabView Notifications
#define TBVN_PAGEACTIVATED   (0U-741)
#define TBVN_CONTEXTMENU     (0U-742)

// Notification data for TBVN_CONTEXTMENU
struct TBVCONTEXTMENUINFO
{
    NMHDR hdr;
    POINT pt;
};

typedef TBVCONTEXTMENUINFO* LPTBVCONTEXTMENUINFO;


template <class T, class TBase = ATL::CWindow, class TWinTraits = ATL::CControlWinTraits>
class ATL_NO_VTABLE CTabViewImpl : public ATL::CWindowImpl< T, TBase, TWinTraits >
{
public:
    DECLARE_WND_CLASS_EX(NULL, 0, COLOR_APPWORKSPACE)

// Declarations and enums
    struct TABVIEWPAGE
    {
        HWND hWnd;
        LPTSTR lpstrTitle;
        LPVOID pData;
    };

    struct TCITEMEXTRA
    {
        TCITEMHEADER tciheader;
        TABVIEWPAGE tvpage;

        operator LPTCITEM() { return (LPTCITEM)this; }
    };

    enum
    {
        m_nTabID = 1313,
        m_cxMoveMark = 6,
        m_cyMoveMark = 3,
        m_nMenuItemsMax = (ID_WINDOW_TABLAST - ID_WINDOW_TABFIRST + 1)
    };

// Data members
    ATL::CContainedWindowT<CTabCtrl> m_tab;
    int m_cyTabHeight;

    int m_nActivePage;

    int m_nInsertItem;
    POINT m_ptStartDrag;

    CMenuHandle m_menu;

    int m_cchTabTextLength;

    int m_nMenuItemsCount;

    ATL::CWindow m_wndTitleBar;
    LPTSTR m_lpstrTitleBarBase;
    int m_cchTitleBarLength;

    CImageList m_ilDrag;

    bool m_bDestroyPageOnRemove:1;
    bool m_bDestroyImageList:1;
    bool m_bActivePageMenuItem:1;
    bool m_bActiveAsDefaultMenuItem:1;
    bool m_bEmptyMenuItem:1;
    bool m_bWindowsMenuItem:1;
    bool m_bNoTabDrag:1;
    // internal
    bool m_bTabCapture:1;
    bool m_bTabDrag:1;
    bool m_bInternalFont:1;

// Constructor/destructor
    CTabViewImpl() :
            m_nActivePage(-1), 
            m_cyTabHeight(0), 
            m_tab(this, 1), 
            m_nInsertItem(-1), 
            m_cchTabTextLength(30), 
            m_nMenuItemsCount(10), 
            m_lpstrTitleBarBase(NULL), 
            m_cchTitleBarLength(100), 
            m_bDestroyPageOnRemove(true), 
            m_bDestroyImageList(true), 
            m_bActivePageMenuItem(true), 
            m_bActiveAsDefaultMenuItem(false), 
            m_bEmptyMenuItem(false), 
            m_bWindowsMenuItem(false), 
            m_bNoTabDrag(false), 
            m_bTabCapture(false), 
            m_bTabDrag(false), 
            m_bInternalFont(false)
    {
        m_ptStartDrag.x = 0;
        m_ptStartDrag.y = 0;
    }

    ~CTabViewImpl()
    {
        delete [] m_lpstrTitleBarBase;
    }

// Message filter function - to be called from PreTranslateMessage of the main window
    BOOL PreTranslateMessage(MSG* pMsg)
    {
        if(IsWindow() == FALSE)
            return FALSE;

        BOOL bRet = FALSE;

        // Check for TabView built-in accelerators (Ctrl+Tab/Ctrl+Shift+Tab - next/previous page)
        int nCount = GetPageCount();
        if(nCount > 0)
        {
            bool bControl = (::GetKeyState(VK_CONTROL) < 0);
            if((pMsg->message == WM_KEYDOWN) && (pMsg->wParam == VK_TAB) && bControl)
            {
                if(nCount > 1)
                {
                    int nPage = m_nActivePage;
                    bool bShift = (::GetKeyState(VK_SHIFT) < 0);
                    if(bShift)
                        nPage = (nPage > 0) ? (nPage - 1) : (nCount - 1);
                    else
                        nPage = ((nPage >= 0) && (nPage < (nCount - 1))) ? (nPage + 1) : 0;

                    SetActivePage(nPage);
                    T* pT = static_cast<T*>(this);
                    pT->OnPageActivated(m_nActivePage);
                }

                bRet = TRUE;
            }
        }

        // If we are doing drag-drop, check for Escape key that cancels it
        if(bRet == FALSE)
        {
            if(m_bTabCapture && pMsg->message == WM_KEYDOWN && pMsg->wParam == VK_ESCAPE)
            {
                ::ReleaseCapture();
                bRet = TRUE;
            }
        }

        // Pass the message to the active page
        if(bRet == FALSE)
        {
            if(m_nActivePage != -1)
                bRet = (BOOL)::SendMessage(GetPageHWND(m_nActivePage), WM_FORWARDMSG, 0, (LPARAM)pMsg);
        }

        return bRet;
    }

// Attributes
    int GetPageCount() const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        return m_tab.GetItemCount();
    }

    int GetActivePage() const
    {
        return m_nActivePage;
    }

    void SetActivePage(int nPage)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        T* pT = static_cast<T*>(this);

        SetRedraw(FALSE);

        if(m_nActivePage != -1)
            ::ShowWindow(GetPageHWND(m_nActivePage), FALSE);
        m_nActivePage = nPage;
        m_tab.SetCurSel(m_nActivePage);
        ::ShowWindow(GetPageHWND(m_nActivePage), TRUE);

        pT->UpdateLayout();

        SetRedraw(TRUE);
        RedrawWindow(NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);

        if(::GetFocus() != m_tab.m_hWnd)
            ::SetFocus(GetPageHWND(m_nActivePage));

        pT->UpdateTitleBar();
        pT->UpdateMenu();
    }

    HIMAGELIST GetImageList() const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        return m_tab.GetImageList();
    }

    HIMAGELIST SetImageList(HIMAGELIST hImageList)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        return m_tab.SetImageList(hImageList);
    }

    void SetWindowMenu(HMENU hMenu)
    {
        ATLASSERT(::IsWindow(m_hWnd));

        m_menu = hMenu;

        T* pT = static_cast<T*>(this);
        pT->UpdateMenu();
    }

    void SetTitleBarWindow(HWND hWnd)
    {
        ATLASSERT(::IsWindow(m_hWnd));

        delete [] m_lpstrTitleBarBase;
        m_lpstrTitleBarBase = NULL;

        m_wndTitleBar = hWnd;
        if(hWnd == NULL)
            return;

        int cchLen = m_wndTitleBar.GetWindowTextLength() + 1;
        ATLTRY(m_lpstrTitleBarBase = new TCHAR[cchLen]);
        if(m_lpstrTitleBarBase != NULL)
        {
            m_wndTitleBar.GetWindowText(m_lpstrTitleBarBase, cchLen);
            T* pT = static_cast<T*>(this);
            pT->UpdateTitleBar();
        }
    }

// Page attributes
    HWND GetPageHWND(int nPage) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_PARAM;
        m_tab.GetItem(nPage, tcix);

        return tcix.tvpage.hWnd;
    }

    LPCTSTR GetPageTitle(int nPage) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_PARAM;
        if(m_tab.GetItem(nPage, tcix) == FALSE)
            return NULL;

        return tcix.tvpage.lpstrTitle;
    }

    bool SetPageTitle(int nPage, LPCTSTR lpstrTitle)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        T* pT = static_cast<T*>(this);

        int cchBuff = lstrlen(lpstrTitle) + 1;
        LPTSTR lpstrBuff = NULL;
        ATLTRY(lpstrBuff = new TCHAR[cchBuff]);
        if(lpstrBuff == NULL)
            return false;

        SecureHelper::strcpy_x(lpstrBuff, cchBuff, lpstrTitle);
        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_PARAM;
        if(m_tab.GetItem(nPage, tcix) == FALSE)
            return false;

        CTempBuffer<TCHAR, _WTL_STACK_ALLOC_THRESHOLD> buff;
        LPTSTR lpstrTabText = buff.Allocate(m_cchTabTextLength + 1);
        if(lpstrTabText == NULL)
            return false;

        delete [] tcix.tvpage.lpstrTitle;

        pT->ShortenTitle(lpstrTitle, lpstrTabText, m_cchTabTextLength + 1);

        tcix.tciheader.mask = TCIF_TEXT | TCIF_PARAM;
        tcix.tciheader.pszText = lpstrTabText;
        tcix.tvpage.lpstrTitle = lpstrBuff;
        if(m_tab.SetItem(nPage, tcix) == FALSE)
            return false;

        pT->UpdateTitleBar();
        pT->UpdateMenu();

        return true;
    }

    LPVOID GetPageData(int nPage) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_PARAM;
        m_tab.GetItem(nPage, tcix);

        return tcix.tvpage.pData;
    }

    LPVOID SetPageData(int nPage, LPVOID pData)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_PARAM;
        m_tab.GetItem(nPage, tcix);
        LPVOID pDataOld = tcix.tvpage.pData;

        tcix.tvpage.pData = pData;
        m_tab.SetItem(nPage, tcix);

        return pDataOld;
    }

    int GetPageImage(int nPage) const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_IMAGE;
        m_tab.GetItem(nPage, tcix);

        return tcix.tciheader.iImage;
    }

    int SetPageImage(int nPage, int nImage)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_IMAGE;
        m_tab.GetItem(nPage, tcix);
        int nImageOld = tcix.tciheader.iImage;

        tcix.tciheader.iImage = nImage;
        m_tab.SetItem(nPage, tcix);

        return nImageOld;
    }

// Operations
    bool AddPage(HWND hWndView, LPCTSTR lpstrTitle, int nImage = -1, LPVOID pData = NULL)
    {
        return InsertPage(GetPageCount(), hWndView, lpstrTitle, nImage, pData);
    }

    bool InsertPage(int nPage, HWND hWndView, LPCTSTR lpstrTitle, int nImage = -1, LPVOID pData = NULL)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(nPage == GetPageCount() || IsValidPageIndex(nPage));

        T* pT = static_cast<T*>(this);

        int cchBuff = lstrlen(lpstrTitle) + 1;
        LPTSTR lpstrBuff = NULL;
        ATLTRY(lpstrBuff = new TCHAR[cchBuff]);
        if(lpstrBuff == NULL)
            return false;

        SecureHelper::strcpy_x(lpstrBuff, cchBuff, lpstrTitle);

        CTempBuffer<TCHAR, _WTL_STACK_ALLOC_THRESHOLD> buff;
        LPTSTR lpstrTabText = buff.Allocate(m_cchTabTextLength + 1);
        if(lpstrTabText == NULL)
            return false;

        pT->ShortenTitle(lpstrTitle, lpstrTabText, m_cchTabTextLength + 1);

        SetRedraw(FALSE);

        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_TEXT | TCIF_IMAGE | TCIF_PARAM;
        tcix.tciheader.pszText = lpstrTabText;
        tcix.tciheader.iImage = nImage;
        tcix.tvpage.hWnd = hWndView;
        tcix.tvpage.lpstrTitle = lpstrBuff;
        tcix.tvpage.pData = pData;
        int nItem = m_tab.InsertItem(nPage, tcix);
        if(nItem == -1)
        {
            delete [] lpstrBuff;
            SetRedraw(TRUE);
            return false;
        }

        // adjust active page index, if inserted before it
        if(nPage <= m_nActivePage)
            m_nActivePage++;

        SetActivePage(nItem);
        pT->OnPageActivated(m_nActivePage);

        if(GetPageCount() == 1)
            pT->ShowTabControl(true);

        pT->UpdateLayout();

        SetRedraw(TRUE);
        RedrawWindow(NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW | RDW_ALLCHILDREN);

        return true;
    }

    void RemovePage(int nPage)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(IsValidPageIndex(nPage));

        T* pT = static_cast<T*>(this);

        SetRedraw(FALSE);

        if(GetPageCount() == 1)
            pT->ShowTabControl(false);

        if(m_bDestroyPageOnRemove)
            ::DestroyWindow(GetPageHWND(nPage));
        else
            ::ShowWindow(GetPageHWND(nPage), FALSE);
        LPTSTR lpstrTitle = (LPTSTR)GetPageTitle(nPage);
        delete [] lpstrTitle;

        ATLVERIFY(m_tab.DeleteItem(nPage) != FALSE);

        if(m_nActivePage == nPage)
        {
            m_nActivePage = -1;

            if(nPage > 0)
            {
                SetActivePage(nPage - 1);
            }
            else if(GetPageCount() > 0)
            {
                SetActivePage(nPage);
            }
            else
            {
                SetRedraw(TRUE);
                Invalidate();
                UpdateWindow();
                pT->UpdateTitleBar();
                pT->UpdateMenu();
            }
        }
        else
        {
            nPage = (nPage < m_nActivePage) ? (m_nActivePage - 1) : m_nActivePage;
            m_nActivePage = -1;
            SetActivePage(nPage);
        }

        pT->OnPageActivated(m_nActivePage);
    }

    void RemoveAllPages()
    {
        ATLASSERT(::IsWindow(m_hWnd));

        if(GetPageCount() == 0)
            return;

        T* pT = static_cast<T*>(this);

        SetRedraw(FALSE);

        pT->ShowTabControl(false);

        for(int i = 0; i < GetPageCount(); i++)
        {
            if(m_bDestroyPageOnRemove)
                ::DestroyWindow(GetPageHWND(i));
            else
                ::ShowWindow(GetPageHWND(i), FALSE);
            LPTSTR lpstrTitle = (LPTSTR)GetPageTitle(i);
            delete [] lpstrTitle;
        }
        m_tab.DeleteAllItems();

        m_nActivePage = -1;
        pT->OnPageActivated(m_nActivePage);

        SetRedraw(TRUE);
        Invalidate();
        UpdateWindow();

        pT->UpdateTitleBar();
        pT->UpdateMenu();
    }

    int PageIndexFromHwnd(HWND hWnd) const
    {
        int nIndex = -1;

        for(int i = 0; i < GetPageCount(); i++)
        {
            if(GetPageHWND(i) == hWnd)
            {
                nIndex = i;
                break;
            }
        }

        return nIndex;
    }

    void BuildWindowMenu(HMENU hMenu, int nMenuItemsCount = 10, bool bEmptyMenuItem = true, bool bWindowsMenuItem = true, bool bActivePageMenuItem = true, bool bActiveAsDefaultMenuItem = false)
    {
        ATLASSERT(::IsWindow(m_hWnd));

        CMenuHandle menu = hMenu;
        T* pT = static_cast<T*>(this);
        pT;   // avoid level 4 warning
        int nFirstPos = 0;

        // Find first menu item in our range
#ifndef _WIN32_WCE
        for(nFirstPos = 0; nFirstPos < menu.GetMenuItemCount(); nFirstPos++)
        {
            UINT nID = menu.GetMenuItemID(nFirstPos);
            if((nID >= ID_WINDOW_TABFIRST && nID <= ID_WINDOW_TABLAST) || nID == ID_WINDOW_SHOWTABLIST)
                break;
        }
#else // CE specific
        for(nFirstPos = 0; ; nFirstPos++)
        {
            CMenuItemInfo mii;
            mii.fMask = MIIM_ID;
            BOOL bRet = menu.GetMenuItemInfo(nFirstPos, TRUE, &mii);
            if(bRet == FALSE)
                break;
            if((mii.wID >= ID_WINDOW_TABFIRST && mii.wID <= ID_WINDOW_TABLAST) || mii.wID == ID_WINDOW_SHOWTABLIST)
                break;
        }
#endif // _WIN32_WCE

        // Remove all menu items for tab pages
        BOOL bRet = TRUE;
        while(bRet != FALSE)
            bRet = menu.DeleteMenu(nFirstPos, MF_BYPOSITION);

        // Add separator if it's not already there
        int nPageCount = GetPageCount();
        if((bWindowsMenuItem || (nPageCount > 0)) && (nFirstPos > 0))
        {
            CMenuItemInfo mii;
            mii.fMask = MIIM_TYPE;
            menu.GetMenuItemInfo(nFirstPos - 1, TRUE, &mii);
            if((nFirstPos <= 0) || ((mii.fType & MFT_SEPARATOR) == 0))
            {
                menu.AppendMenu(MF_SEPARATOR);
                nFirstPos++;
            }
        }

        // Add menu items for all pages
        if(nPageCount > 0)
        {
            // Append menu items for all pages
            const int cchPrefix = 3;   // 2 digits + space
            nMenuItemsCount = __min(__min(nPageCount, nMenuItemsCount), (int)m_nMenuItemsMax);
            ATLASSERT(nMenuItemsCount < 100);   // 2 digits only
            if(nMenuItemsCount >= 100)
                nMenuItemsCount = 99;

            for(int i = 0; i < nMenuItemsCount; i++)
            {
                LPCTSTR lpstrTitle = GetPageTitle(i);
                int nLen = lstrlen(lpstrTitle);
                CTempBuffer<TCHAR, _WTL_STACK_ALLOC_THRESHOLD> buff;
                LPTSTR lpstrText = buff.Allocate(cchPrefix + nLen + 1);
                ATLASSERT(lpstrText != NULL);
                if(lpstrText != NULL)
                {
                    LPCTSTR lpstrFormat = (i < 9) ? _T("&%i %s") : _T("%i %s");
                    SecureHelper::wsprintf_x(lpstrText, cchPrefix + nLen + 1, lpstrFormat, i + 1, lpstrTitle);
                    menu.AppendMenu(MF_STRING, ID_WINDOW_TABFIRST + i, lpstrText);
                }
            }

            // Mark active page
            if(bActivePageMenuItem && (m_nActivePage != -1))
            {
#ifndef _WIN32_WCE
                if(bActiveAsDefaultMenuItem)
                {
                    menu.SetMenuDefaultItem((UINT)-1,  TRUE);
                    menu.SetMenuDefaultItem(nFirstPos + m_nActivePage,  TRUE);
                }
                else
#else // CE specific
                bActiveAsDefaultMenuItem;   // avoid level 4 warning
#endif // _WIN32_WCE
                {
                    menu.CheckMenuRadioItem(nFirstPos, nFirstPos + nMenuItemsCount, nFirstPos + m_nActivePage, MF_BYPOSITION);
                }
            }
        }
        else
        {
            if(bEmptyMenuItem)
            {
                menu.AppendMenu(MF_BYPOSITION | MF_STRING, ID_WINDOW_TABFIRST, pT->GetEmptyListText());
                menu.EnableMenuItem(ID_WINDOW_TABFIRST, MF_GRAYED);
            }

            // Remove separator if nothing else is there
            if(!bEmptyMenuItem && !bWindowsMenuItem && (nFirstPos > 0))
            {
                CMenuItemInfo mii;
                mii.fMask = MIIM_TYPE;
                menu.GetMenuItemInfo(nFirstPos - 1, TRUE, &mii);
                if((mii.fType & MFT_SEPARATOR) != 0)
                    menu.DeleteMenu(nFirstPos - 1, MF_BYPOSITION);
            }
        }

        // Add "Windows..." menu item
        if(bWindowsMenuItem)
            menu.AppendMenu(MF_BYPOSITION | MF_STRING, ID_WINDOW_SHOWTABLIST, pT->GetWindowsMenuItemText());
    }

    BOOL SubclassWindow(HWND hWnd)
    {
#if (_MSC_VER >= 1300)
        BOOL bRet = ATL::CWindowImpl< T, TBase, TWinTraits >::SubclassWindow(hWnd);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        BOOL bRet = _baseClass::SubclassWindow(hWnd);
#endif // !(_MSC_VER >= 1300)
        if(bRet != FALSE)
        {
            T* pT = static_cast<T*>(this);
            pT->CreateTabControl();
            pT->UpdateLayout();
        }

        return bRet;
    }

// Message map and handlers
    BEGIN_MSG_MAP(CTabViewImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_HANDLER(WM_SIZE, OnSize)
        MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
        MESSAGE_HANDLER(WM_GETFONT, OnGetFont)
        MESSAGE_HANDLER(WM_SETFONT, OnSetFont)
        NOTIFY_HANDLER(m_nTabID, TCN_SELCHANGE, OnTabChanged)
        NOTIFY_ID_HANDLER(m_nTabID, OnTabNotification)
#ifndef _WIN32_WCE
        NOTIFY_CODE_HANDLER(TTN_GETDISPINFO, OnTabGetDispInfo)
#endif // !_WIN32_WCE
        FORWARD_NOTIFICATIONS()
    ALT_MSG_MAP(1)   // tab control
        MESSAGE_HANDLER(WM_LBUTTONDOWN, OnTabLButtonDown)
        MESSAGE_HANDLER(WM_LBUTTONUP, OnTabLButtonUp)
        MESSAGE_HANDLER(WM_CAPTURECHANGED, OnTabCaptureChanged)
        MESSAGE_HANDLER(WM_MOUSEMOVE, OnTabMouseMove)
        MESSAGE_HANDLER(WM_RBUTTONUP, OnTabRButtonUp)
        MESSAGE_HANDLER(WM_SYSKEYDOWN, OnTabSysKeyDown)
    END_MSG_MAP()

    LRESULT OnCreate(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->CreateTabControl();

        return 0;
    }

    LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        RemoveAllPages();

        if(m_bDestroyImageList)
        {
            CImageList il = m_tab.SetImageList(NULL);
            if(il.m_hImageList != NULL)
                il.Destroy();
        }

        if(m_bInternalFont)
        {
            HFONT hFont = m_tab.GetFont();
            m_tab.SetFont(NULL, FALSE);
            ::DeleteObject(hFont);
            m_bInternalFont = false;
        }

        return 0;
    }

    LRESULT OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        T* pT = static_cast<T*>(this);
        pT->UpdateLayout();
        return 0;
    }

    LRESULT OnSetFocus(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(m_nActivePage != -1)
            ::SetFocus(GetPageHWND(m_nActivePage));
        return 0;
    }

    LRESULT OnGetFont(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return m_tab.SendMessage(WM_GETFONT);
    }

    LRESULT OnSetFont(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(m_bInternalFont)
        {
            HFONT hFont = m_tab.GetFont();
            m_tab.SetFont(NULL, FALSE);
            ::DeleteObject(hFont);
            m_bInternalFont = false;
        }

        m_tab.SendMessage(WM_SETFONT, wParam, lParam);

        T* pT = static_cast<T*>(this);
        m_cyTabHeight = pT->CalcTabHeight();

        if((BOOL)lParam != FALSE)
            pT->UpdateLayout();

        return 0;
    }

    LRESULT OnTabChanged(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)
    {
        SetActivePage(m_tab.GetCurSel());
        T* pT = static_cast<T*>(this);
        pT->OnPageActivated(m_nActivePage);

        return 0;
    }

    LRESULT OnTabNotification(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)
    {
        // nothing to do - this just blocks all tab control
        // notifications from being propagated further
        return 0;
    }

#ifndef _WIN32_WCE
    LRESULT OnTabGetDispInfo(int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
    {
        LPNMTTDISPINFO pTTDI = (LPNMTTDISPINFO)pnmh;
        if(pTTDI->hdr.hwndFrom == m_tab.GetTooltips())
        {
            T* pT = static_cast<T*>(this);
            pT->UpdateTooltipText(pTTDI);
        }
        else
        {
            bHandled = FALSE;
        }

        return 0;
    }
#endif // !_WIN32_WCE

// Tab control message handlers
    LRESULT OnTabLButtonDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(!m_bNoTabDrag && (m_tab.GetItemCount() > 1))
        {
            m_bTabCapture = true;
            m_tab.SetCapture();

            m_ptStartDrag.x = GET_X_LPARAM(lParam);
            m_ptStartDrag.y = GET_Y_LPARAM(lParam);
        }

        bHandled = FALSE;
        return 0;
    }

    LRESULT OnTabLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(m_bTabCapture)
        {
            if(m_bTabDrag)
            {
                TCHITTESTINFO hti = { 0 };
                hti.pt.x = GET_X_LPARAM(lParam);
                hti.pt.y = GET_Y_LPARAM(lParam);
                int nItem = m_tab.HitTest(&hti);
                if(nItem != -1)
                    MovePage(m_nActivePage, nItem);
            }

            ::ReleaseCapture();
        }

        bHandled = FALSE;
        return 0;
    }

    LRESULT OnTabCaptureChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_bTabCapture)
        {
            m_bTabCapture = false;

            if(m_bTabDrag)
            {
                m_bTabDrag = false;
                T* pT = static_cast<T*>(this);
                pT->DrawMoveMark(-1);

#ifndef _WIN32_WCE
                m_ilDrag.DragLeave(GetDesktopWindow());
#endif // !_WIN32_WCE
                m_ilDrag.EndDrag();

                m_ilDrag.Destroy();
                m_ilDrag.m_hImageList = NULL;
            }
        }

        bHandled = FALSE;
        return 0;
    }

    LRESULT OnTabMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        bHandled = FALSE;

        if(m_bTabCapture)
        {
            POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };

            if(!m_bTabDrag)
            {
#ifndef _WIN32_WCE
                if(abs(m_ptStartDrag.x - GET_X_LPARAM(lParam)) >= ::GetSystemMetrics(SM_CXDRAG) ||
                   abs(m_ptStartDrag.y - GET_Y_LPARAM(lParam)) >= ::GetSystemMetrics(SM_CYDRAG))
#else // CE specific
                if(abs(m_ptStartDrag.x - GET_X_LPARAM(lParam)) >= 4 ||
                   abs(m_ptStartDrag.y - GET_Y_LPARAM(lParam)) >= 4)
#endif // _WIN32_WCE
                {
                    T* pT = static_cast<T*>(this);
                    pT->GenerateDragImage(m_nActivePage);

                    int cxCursor = ::GetSystemMetrics(SM_CXCURSOR);
                    int cyCursor = ::GetSystemMetrics(SM_CYCURSOR);
                    m_ilDrag.BeginDrag(0, -(cxCursor / 2), -(cyCursor / 2));
#ifndef _WIN32_WCE
                    POINT ptEnter = m_ptStartDrag;
                    m_tab.ClientToScreen(&ptEnter);
                    m_ilDrag.DragEnter(GetDesktopWindow(), ptEnter);
#endif // !_WIN32_WCE

                    m_bTabDrag = true;
                }
            }

            if(m_bTabDrag)
            {
                TCHITTESTINFO hti = { 0 };
                hti.pt = pt;
                int nItem = m_tab.HitTest(&hti);

                T* pT = static_cast<T*>(this);
                pT->SetMoveCursor(nItem != -1);

                if(m_nInsertItem != nItem)
                    pT->DrawMoveMark(nItem);

                m_ilDrag.DragShowNolock((nItem != -1) ? TRUE : FALSE);
                m_tab.ClientToScreen(&pt);
                m_ilDrag.DragMove(pt);

                bHandled = TRUE;
            }
        }

        return 0;
    }

    LRESULT OnTabRButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        TCHITTESTINFO hti = { 0 };
        hti.pt.x = GET_X_LPARAM(lParam);
        hti.pt.y = GET_Y_LPARAM(lParam);
        int nItem = m_tab.HitTest(&hti);
        if(nItem != -1)
        {
            T* pT = static_cast<T*>(this);
            pT->OnContextMenu(nItem, hti.pt);
        }

        return 0;
    }

    LRESULT OnTabSysKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        bool bShift = (::GetKeyState(VK_SHIFT) < 0);
        if(wParam == VK_F10 && bShift)
        {
            if(m_nActivePage != -1)
            {
                RECT rect = { 0 };
                m_tab.GetItemRect(m_nActivePage, &rect);
                POINT pt = { rect.left, rect.bottom };
                T* pT = static_cast<T*>(this);
                pT->OnContextMenu(m_nActivePage, pt);
            }
        }
        else
        {
            bHandled = FALSE;
        }

        return 0;
    }

// Implementation helpers
    bool IsValidPageIndex(int nPage) const
    {
        return (nPage >= 0 && nPage < GetPageCount());
    }

    bool MovePage(int nMovePage, int nInsertBeforePage)
    {
        ATLASSERT(IsValidPageIndex(nMovePage));
        ATLASSERT(IsValidPageIndex(nInsertBeforePage));

        if(!IsValidPageIndex(nMovePage) || !IsValidPageIndex(nInsertBeforePage))
            return false;

        if(nMovePage == nInsertBeforePage)
            return true;   // nothing to do

        CTempBuffer<TCHAR, _WTL_STACK_ALLOC_THRESHOLD> buff;
        LPTSTR lpstrTabText = buff.Allocate(m_cchTabTextLength + 1);
        if(lpstrTabText == NULL)
            return false;
        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_TEXT | TCIF_IMAGE | TCIF_PARAM;
        tcix.tciheader.pszText = lpstrTabText;
        tcix.tciheader.cchTextMax = m_cchTabTextLength + 1;
        BOOL bRet = m_tab.GetItem(nMovePage, tcix);
        ATLASSERT(bRet != FALSE);
        if(bRet == FALSE)
            return false;

        int nInsertItem = (nInsertBeforePage > nMovePage) ? nInsertBeforePage + 1 : nInsertBeforePage;
        int nNewItem = m_tab.InsertItem(nInsertItem, tcix);
        ATLASSERT(nNewItem == nInsertItem);
        if(nNewItem != nInsertItem)
        {
            ATLVERIFY(m_tab.DeleteItem(nNewItem));
            return false;
        }

        if(nMovePage > nInsertBeforePage)
            ATLVERIFY(m_tab.DeleteItem(nMovePage + 1) != FALSE);
        else if(nMovePage < nInsertBeforePage)
            ATLVERIFY(m_tab.DeleteItem(nMovePage) != FALSE);

        SetActivePage(nInsertBeforePage);
        T* pT = static_cast<T*>(this);
        pT->OnPageActivated(m_nActivePage);

        return true;
    }

// Implementation overrideables
    bool CreateTabControl()
    {
#ifndef _WIN32_WCE
        m_tab.Create(m_hWnd, rcDefault, NULL, WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | TCS_TOOLTIPS, 0, m_nTabID);
#else // CE specific
        m_tab.Create(m_hWnd, rcDefault, NULL, WS_CHILD | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, 0, m_nTabID);
#endif // _WIN32_WCE
        ATLASSERT(m_tab.m_hWnd != NULL);
        if(m_tab.m_hWnd == NULL)
            return false;

        m_tab.SetFont(AtlCreateControlFont());
        m_bInternalFont = true;

        m_tab.SetItemExtra(sizeof(TABVIEWPAGE));

        T* pT = static_cast<T*>(this);
        m_cyTabHeight = pT->CalcTabHeight();

        return true;
    }

    int CalcTabHeight()
    {
        int nCount = m_tab.GetItemCount();
        TCHAR szText[] = _T("NS");
        TCITEMEXTRA tcix = { 0 };
        tcix.tciheader.mask = TCIF_TEXT;
        tcix.tciheader.pszText = szText;
        int nIndex = m_tab.InsertItem(nCount, tcix);

        RECT rect = { 0, 0, 1000, 1000 };
        m_tab.AdjustRect(FALSE, &rect);

        RECT rcWnd = { 0, 0, 1000, rect.top };
        ::AdjustWindowRectEx(&rcWnd, m_tab.GetStyle(), FALSE, m_tab.GetExStyle());

        int nHeight = rcWnd.bottom - rcWnd.top;

        m_tab.DeleteItem(nIndex);

        return nHeight;
    }

    void ShowTabControl(bool bShow)
    {
        m_tab.ShowWindow(bShow ? SW_SHOWNOACTIVATE : SW_HIDE);
        T* pT = static_cast<T*>(this);
        pT->UpdateLayout();
    }

    void UpdateLayout()
    {
        RECT rect = { 0 };
        GetClientRect(&rect);

        int cyOffset = 0;
        if(m_tab.IsWindow() && ((m_tab.GetStyle() & WS_VISIBLE) != 0))
        {
            m_tab.SetWindowPos(NULL, 0, 0, rect.right - rect.left, m_cyTabHeight, SWP_NOZORDER);
            cyOffset = m_cyTabHeight;
        }

        if(m_nActivePage != -1)
            ::SetWindowPos(GetPageHWND(m_nActivePage), NULL, 0, cyOffset, rect.right - rect.left, rect.bottom - rect.top - cyOffset, SWP_NOZORDER);
    }

    void UpdateMenu()
    {
        if(m_menu.m_hMenu != NULL)
            BuildWindowMenu(m_menu, m_nMenuItemsCount, m_bEmptyMenuItem, m_bWindowsMenuItem, m_bActivePageMenuItem, m_bActiveAsDefaultMenuItem);
    }

    void UpdateTitleBar()
    {
        if(!m_wndTitleBar.IsWindow() || m_lpstrTitleBarBase == NULL)
            return;   // nothing to do

        if(m_nActivePage != -1)
        {
            T* pT = static_cast<T*>(this);
            LPCTSTR lpstrTitle = pT->GetPageTitle(m_nActivePage);
            LPCTSTR lpstrDivider = pT->GetTitleDividerText();
            int cchBuffer = m_cchTitleBarLength + lstrlen(lpstrDivider) + lstrlen(m_lpstrTitleBarBase) + 1;
            CTempBuffer<TCHAR, _WTL_STACK_ALLOC_THRESHOLD> buff;
            LPTSTR lpstrPageTitle = buff.Allocate(cchBuffer);
            ATLASSERT(lpstrPageTitle != NULL);
            if(lpstrPageTitle != NULL)
            {
                pT->ShortenTitle(lpstrTitle, lpstrPageTitle, m_cchTitleBarLength + 1);
                SecureHelper::strcat_x(lpstrPageTitle, cchBuffer, lpstrDivider);
                SecureHelper::strcat_x(lpstrPageTitle, cchBuffer, m_lpstrTitleBarBase);
            }
            else
            {
                lpstrPageTitle = m_lpstrTitleBarBase;
            }

            m_wndTitleBar.SetWindowText(lpstrPageTitle);
        }
        else
        {
            m_wndTitleBar.SetWindowText(m_lpstrTitleBarBase);
        }
    }

    void DrawMoveMark(int nItem)
    {
        T* pT = static_cast<T*>(this);

        if(m_nInsertItem != -1)
        {
            RECT rect = { 0 };
            pT->GetMoveMarkRect(rect);
            m_tab.InvalidateRect(&rect);
        }

        m_nInsertItem = nItem;

        if(m_nInsertItem != -1)
        {
            CClientDC dc(m_tab.m_hWnd);

            RECT rect = { 0 };
            pT->GetMoveMarkRect(rect);

            CPen pen;
            pen.CreatePen(PS_SOLID, 1, ::GetSysColor(COLOR_WINDOWTEXT));
            CBrush brush;
            brush.CreateSolidBrush(::GetSysColor(COLOR_WINDOWTEXT));

            HPEN hPenOld = dc.SelectPen(pen);
            HBRUSH hBrushOld = dc.SelectBrush(brush);

            int x = rect.left;
            int y = rect.top;
            POINT ptsTop[3] = { { x, y }, { x + m_cxMoveMark, y }, { x + (m_cxMoveMark / 2), y + m_cyMoveMark } };
            dc.Polygon(ptsTop, 3);

            y = rect.bottom - 1;
            POINT ptsBottom[3] = { { x, y }, { x + m_cxMoveMark, y }, { x + (m_cxMoveMark / 2), y - m_cyMoveMark } };
            dc.Polygon(ptsBottom, 3);

            dc.SelectPen(hPenOld);
            dc.SelectBrush(hBrushOld);
        }
    }

    void GetMoveMarkRect(RECT& rect) const
    {
        m_tab.GetClientRect(&rect);

        RECT rcItem = { 0 };
        m_tab.GetItemRect(m_nInsertItem, &rcItem);

        if(m_nInsertItem <= m_nActivePage)
        {
            rect.left = rcItem.left - m_cxMoveMark / 2 - 1;
            rect.right = rcItem.left + m_cxMoveMark / 2;
        }
        else
        {
            rect.left = rcItem.right - m_cxMoveMark / 2 - 1;
            rect.right = rcItem.right + m_cxMoveMark / 2;
        }
    }

    void SetMoveCursor(bool bCanMove)
    {
        ::SetCursor(::LoadCursor(NULL, bCanMove ? IDC_ARROW : IDC_NO));
    }

    void GenerateDragImage(int nItem)
    {
        ATLASSERT(IsValidPageIndex(nItem));

#ifndef _WIN32_WCE
        RECT rcItem = { 0 };
        m_tab.GetItemRect(nItem, &rcItem);
        ::InflateRect(&rcItem, 2, 2);   // make bigger to cover selected item
#else // CE specific
        nItem;   // avoid level 4 warning
        RECT rcItem = { 0, 0, 40, 20 };
#endif // _WIN32_WCE

        ATLASSERT(m_ilDrag.m_hImageList == NULL);
        m_ilDrag.Create(rcItem.right - rcItem.left, rcItem.bottom - rcItem.top, ILC_COLORDDB | ILC_MASK, 1, 1);

        CClientDC dc(m_hWnd);
        CDC dcMem;
        dcMem.CreateCompatibleDC(dc);
        ATLASSERT(dcMem.m_hDC != NULL);
        dcMem.SetViewportOrg(-rcItem.left, -rcItem.top);

        CBitmap bmp;
        bmp.CreateCompatibleBitmap(dc, rcItem.right - rcItem.left, rcItem.bottom - rcItem.top);
        ATLASSERT(bmp.m_hBitmap != NULL);

        HBITMAP hBmpOld = dcMem.SelectBitmap(bmp);
#ifndef _WIN32_WCE
        m_tab.SendMessage(WM_PRINTCLIENT, (WPARAM)dcMem.m_hDC);
#else // CE specific
        dcMem.Rectangle(&rcItem);
#endif // _WIN32_WCE
        dcMem.SelectBitmap(hBmpOld);

        ATLVERIFY(m_ilDrag.Add(bmp.m_hBitmap, RGB(255, 0, 255)) != -1);
    }

    void ShortenTitle(LPCTSTR lpstrTitle, LPTSTR lpstrShortTitle, int cchShortTitle)
    {
        if(lstrlen(lpstrTitle) >= cchShortTitle)
        {
            LPCTSTR lpstrEllipsis = _T("...");
            int cchEllipsis = lstrlen(lpstrEllipsis);
            SecureHelper::strncpy_x(lpstrShortTitle, cchShortTitle, lpstrTitle, cchShortTitle - cchEllipsis - 1);
            SecureHelper::strcat_x(lpstrShortTitle, cchShortTitle, lpstrEllipsis);
        }
        else
        {
            SecureHelper::strcpy_x(lpstrShortTitle, cchShortTitle, lpstrTitle);
        }
    }

#ifndef _WIN32_WCE
    void UpdateTooltipText(LPNMTTDISPINFO pTTDI)
    {
        ATLASSERT(pTTDI != NULL);
        pTTDI->lpszText = (LPTSTR)GetPageTitle((int)pTTDI->hdr.idFrom);
    }
#endif // !_WIN32_WCE

// Text for menu items and title bar - override to provide different strings
    static LPCTSTR GetEmptyListText()
    {
        return _T("(Empty)");
    }

    static LPCTSTR GetWindowsMenuItemText()
    {
        return _T("&Windows...");
    }

    static LPCTSTR GetTitleDividerText()
    {
        return _T(" - ");
    }

// Notifications - override to provide different behavior
    void OnPageActivated(int nPage)
    {
        NMHDR nmhdr = { 0 };
        nmhdr.hwndFrom = m_hWnd;
        nmhdr.idFrom = nPage;
        nmhdr.code = TBVN_PAGEACTIVATED;
        ::SendMessage(GetParent(), WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&nmhdr);
    }

    void OnContextMenu(int nPage, POINT pt)
    {
        m_tab.ClientToScreen(&pt);

        TBVCONTEXTMENUINFO cmi = { 0 };
        cmi.hdr.hwndFrom = m_hWnd;
        cmi.hdr.idFrom = nPage;
        cmi.hdr.code = TBVN_CONTEXTMENU;
        cmi.pt = pt;
        ::SendMessage(GetParent(), WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&cmi);
    }
};

class CTabView : public CTabViewImpl<CTabView>
{
public:
    DECLARE_WND_CLASS_EX(_T("WTL_TabView"), 0, COLOR_APPWORKSPACE)
};

}; // namespace WTL

#endif // __ATLCTRLX_H__