atlctrlw.h

// Windows Template Library - WTL version 8.1
// Copyright (C) Microsoft Corporation. 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
// Common Public License 1.0 (http://opensource.org/licenses/cpl1.0.php)
// which can be found in the file CPL.TXT at the root of this distribution.
// By using this software in any fashion, you are agreeing to be bound by
// the terms of this license. You must not remove this notice, or
// any other, from this software.

#ifndef __ATLCTRLW_H__
#define __ATLCTRLW_H__

#pragma once

#ifdef _WIN32_WCE
    #error atlctrlw.h is not supported on Windows CE
#endif

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

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

#if (_WIN32_IE < 0x0400)
    #error atlctrlw.h requires _WIN32_IE >= 0x0400
#endif

// Define _WTL_CMDBAR_VISTA_MENUS as 0 to exclude Vista menus support
#if !defined(_WTL_CMDBAR_VISTA_MENUS) && (WINVER >= 0x0500) && (_WIN32_WINNT >= 0x0501) && (_WIN32_IE >= 0x0501)
  #define _WTL_CMDBAR_VISTA_MENUS 1
#endif

#if _WTL_CMDBAR_VISTA_MENUS
  #if !((_WIN32_WINNT >= 0x0501) && (_WIN32_IE >= 0x0501))
    #error _WTL_CMDBAR_VISTA_MENUS requires (_WIN32_WINNT >= 0x0501) && (_WIN32_IE >= 0x0501)
  #endif
#endif


// Classes in this file:
//
// CCommandBarCtrlImpl<T, TBase, TWinTraits>
// CCommandBarCtrl
// CMDICommandBarCtrlImpl<T, TBase, TWinTraits>
// CMDICommandBarCtrl


namespace WTL
{

// Command Bars

// Window Styles:
#define CBRWS_TOP       CCS_TOP
#define CBRWS_BOTTOM        CCS_BOTTOM
#define CBRWS_NORESIZE      CCS_NORESIZE
#define CBRWS_NOPARENTALIGN CCS_NOPARENTALIGN
#define CBRWS_NODIVIDER     CCS_NODIVIDER

// Extended styles
#define CBR_EX_TRANSPARENT  0x00000001L
#define CBR_EX_SHAREMENU    0x00000002L
#define CBR_EX_ALTFOCUSMODE 0x00000004L
#define CBR_EX_TRACKALWAYS  0x00000008L
#define CBR_EX_NOVISTAMENUS 0x00000010L

// standard command bar styles
#define ATL_SIMPLE_CMDBAR_PANE_STYLE \
    (WS_CHILD | WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS | CBRWS_NODIVIDER | CBRWS_NORESIZE | CBRWS_NOPARENTALIGN)

// Messages - support chevrons for frame windows
#define CBRM_GETCMDBAR          (WM_USER + 301) // returns command bar HWND
#define CBRM_GETMENU            (WM_USER + 302) // returns loaded or attached menu
#define CBRM_TRACKPOPUPMENU     (WM_USER + 303) // displays a popup menu

typedef struct tagCBRPOPUPMENU
{
    int cbSize;
    HMENU hMenu;         // popup menu do display
    UINT uFlags;         // TPM_* flags for ::TrackPopupMenuEx
    int x;
    int y;
    LPTPMPARAMS lptpm;   // ptr to TPMPARAMS for ::TrackPopupMenuEx
} CBRPOPUPMENU, *LPCBRPOPUPMENU;

// helper class
template <class T>
class CSimpleStack : public ATL::CSimpleArray< T >
{
public:
    BOOL Push(T t)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - STACK-PUSH (%8.8X) size = %i\n"), t, GetSize());
#endif
        return Add(t);
    }

    T Pop()
    {
        int nLast = GetSize() - 1;
        if(nLast < 0)
            return NULL;   // must be able to convert to NULL
        T t = m_aT[nLast];
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - STACK-POP (%8.8X) size = %i\n"), t, GetSize());
#endif
        if(!RemoveAt(nLast))
            return NULL;
        return t;
    }

    T GetCurrent()
    {
        int nLast = GetSize() - 1;
        if(nLast < 0)
            return NULL;   // must be able to convert to NULL
        return m_aT[nLast];
    }
};


// CCommandBarCtrlBase - base class for the Command Bar implementation

class CCommandBarCtrlBase : public CToolBarCtrl
{
public:
    struct _MsgHookData
    {
        HHOOK hMsgHook;
        DWORD dwUsage;

        _MsgHookData() : hMsgHook(NULL), dwUsage(0)
        { }
    };

    typedef ATL::CSimpleMap<DWORD, _MsgHookData*>   CMsgHookMap;
    static CMsgHookMap* s_pmapMsgHook;

    static HHOOK s_hCreateHook;
    static bool s_bW2K;  // For animation flag
    static CCommandBarCtrlBase* s_pCurrentBar;
    static bool s_bStaticInit;

    CSimpleStack<HWND> m_stackMenuWnd;
    CSimpleStack<HMENU> m_stackMenuHandle;

    HWND m_hWndHook;
    DWORD m_dwMagic;


    CCommandBarCtrlBase() : m_hWndHook(NULL), m_dwMagic(1314)
    {
        // init static variables
        if(!s_bStaticInit)
        {
            CStaticDataInitCriticalSectionLock lock;
            if(FAILED(lock.Lock()))
            {
                ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlBase::CCommandBarCtrlBase.\n"));
                ATLASSERT(FALSE);
                return;
            }

            if(!s_bStaticInit)
            {
                // Just in case...
                AtlInitCommonControls(ICC_COOL_CLASSES | ICC_BAR_CLASSES);
                // Animation on Win2000 only
                s_bW2K = !AtlIsOldWindows();
                // done
                s_bStaticInit = true;
            }

            lock.Unlock();
        }
    }

    bool IsCommandBarBase() const { return m_dwMagic == 1314; }
};

__declspec(selectany) CCommandBarCtrlBase::CMsgHookMap* CCommandBarCtrlBase::s_pmapMsgHook = NULL;
__declspec(selectany) HHOOK CCommandBarCtrlBase::s_hCreateHook = NULL;
__declspec(selectany) CCommandBarCtrlBase* CCommandBarCtrlBase::s_pCurrentBar = NULL;
__declspec(selectany) bool CCommandBarCtrlBase::s_bW2K = false;
__declspec(selectany) bool CCommandBarCtrlBase::s_bStaticInit = false;


// CCommandBarCtrl - ATL implementation of Command Bars

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

// Declarations
    struct _MenuItemData    // menu item data
    {
        DWORD dwMagic;
        LPTSTR lpstrText;
        UINT fType;
        UINT fState;
        int iButton;

        _MenuItemData() { dwMagic = 0x1313; }
        bool IsCmdBarMenuItem() { return (dwMagic == 0x1313); }
    };

    struct _ToolBarData // toolbar resource data
    {
        WORD wVersion;
        WORD wWidth;
        WORD wHeight;
        WORD wItemCount;
        //WORD aItems[wItemCount]

        WORD* items()
            { return (WORD*)(this+1); }
    };

// Constants
    enum _CmdBarDrawConstants
    {
        s_kcxGap = 1,
        s_kcxTextMargin = 2,
        s_kcxButtonMargin = 3,
        s_kcyButtonMargin = 3
    };

    enum
    {
        _nMaxMenuItemTextLength = 100,
        _chChevronShortcut = _T('/')
    };

#ifndef DT_HIDEPREFIX
    enum { DT_HIDEPREFIX = 0x00100000 };
#endif // !DT_HIDEPREFIX

// Data members
    HMENU m_hMenu;
    HIMAGELIST m_hImageList;
    ATL::CSimpleValArray<WORD> m_arrCommand;

    DWORD m_dwExtendedStyle;   // Command Bar specific extended styles

    ATL::CContainedWindow m_wndParent;

    bool m_bMenuActive:1;
    bool m_bAttachedMenu:1;
    bool m_bImagesVisible:1;
    bool m_bPopupItem:1;
    bool m_bContextMenu:1;
    bool m_bEscapePressed:1;
    bool m_bSkipMsg:1;
    bool m_bParentActive:1;
    bool m_bFlatMenus:1;
    bool m_bUseKeyboardCues:1;
    bool m_bShowKeyboardCues:1;
    bool m_bAllowKeyboardCues:1;
    bool m_bKeyboardInput:1;
    bool m_bAlphaImages:1;
    bool m_bLayoutRTL:1;
    bool m_bSkipPostDown:1;
    bool m_bVistaMenus:1;

    int m_nPopBtn;
    int m_nNextPopBtn;

    SIZE m_szBitmap;
    SIZE m_szButton;

    COLORREF m_clrMask;
    CFont m_fontMenu;   // used internally, only to measure text

    UINT m_uSysKey;

    HWND m_hWndFocus;   // Alternate focus mode

    int m_cxExtraSpacing;

#if _WTL_CMDBAR_VISTA_MENUS
    ATL::CSimpleValArray<HBITMAP> m_arrVistaBitmap;   // Bitmaps for Vista menus
#endif // _WTL_CMDBAR_VISTA_MENUS

// Constructor/destructor
    CCommandBarCtrlImpl() : 
            m_hMenu(NULL), 
            m_hImageList(NULL), 
            m_wndParent(this, 1), 
            m_bMenuActive(false), 
            m_bAttachedMenu(false), 
            m_nPopBtn(-1), 
            m_nNextPopBtn(-1), 
            m_bPopupItem(false),
            m_bImagesVisible(true),
            m_bSkipMsg(false),
            m_uSysKey(0),
            m_hWndFocus(NULL),
            m_bContextMenu(false),
            m_bEscapePressed(false),
            m_clrMask(RGB(192, 192, 192)),
            m_dwExtendedStyle(CBR_EX_TRANSPARENT | CBR_EX_SHAREMENU | CBR_EX_TRACKALWAYS),
            m_bParentActive(true),
            m_bFlatMenus(false),
            m_bUseKeyboardCues(false),
            m_bShowKeyboardCues(false),
            m_bAllowKeyboardCues(true),
            m_bKeyboardInput(false),
            m_cxExtraSpacing(0),
            m_bAlphaImages(false),
            m_bLayoutRTL(false),
            m_bSkipPostDown(false),
            m_bVistaMenus(false)
    {
        SetImageSize(16, 15);   // default
    }

    ~CCommandBarCtrlImpl()
    {
        if(m_wndParent.IsWindow())
/*scary!*/          m_wndParent.UnsubclassWindow();

        if(m_hMenu != NULL && (m_dwExtendedStyle & CBR_EX_SHAREMENU) == 0)
            ::DestroyMenu(m_hMenu);

        if(m_hImageList != NULL)
            ::ImageList_Destroy(m_hImageList);
    }

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

    DWORD SetCommandBarExtendedStyle(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;
    }

    CMenuHandle GetMenu() const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        return m_hMenu;
    }

    COLORREF GetImageMaskColor() const
    {
        return m_clrMask;
    }

    COLORREF SetImageMaskColor(COLORREF clrMask)
    {
        COLORREF clrOld = m_clrMask;
        m_clrMask = clrMask;
        return clrOld;
    }

    bool GetImagesVisible() const
    {
        return m_bImagesVisible;
    }

    bool SetImagesVisible(bool bVisible)
    {
        bool bOld = m_bImagesVisible;
        m_bImagesVisible = bVisible;
        return bOld;
    }

    void GetImageSize(SIZE& size) const
    {
        size = m_szBitmap;
    }

    bool SetImageSize(SIZE& size)
    {
        return SetImageSize(size.cx, size.cy);
    }

    bool SetImageSize(int cx, int cy)
    {
        if(m_hImageList != NULL)
        {
            if(::ImageList_GetImageCount(m_hImageList) == 0)   // empty
            {
                ::ImageList_Destroy(m_hImageList);
                m_hImageList = NULL;
            }
            else
            {
                return false;   // can't set, image list exists
            }
        }

        if(cx == 0 || cy == 0)
            return false;

        m_szBitmap.cx = cx;
        m_szBitmap.cy = cy;
        m_szButton.cx = m_szBitmap.cx + 2 * s_kcxButtonMargin;
        m_szButton.cy = m_szBitmap.cy + 2 * s_kcyButtonMargin;

        return true;
    }

    bool GetAlphaImages() const
    {
        return m_bAlphaImages;
    }

    bool SetAlphaImages(bool bAlphaImages)
    {
        if(m_hImageList != NULL)
        {
            if(::ImageList_GetImageCount(m_hImageList) == 0)   // empty
            {
                ::ImageList_Destroy(m_hImageList);
                m_hImageList = NULL;
            }
            else
            {
                return false;   // can't set, image list exists
            }
        }

        m_bAlphaImages = bAlphaImages;
        return true;
    }

    HWND GetCmdBar() const
    {
        ATLASSERT(::IsWindow(m_hWnd));
        return (HWND)::SendMessage(m_hWnd, CBRM_GETCMDBAR, 0, 0L);
    }

// Methods
    HWND Create(HWND hWndParent, RECT& rcPos, LPCTSTR szWindowName = NULL,
            DWORD dwStyle = 0, DWORD dwExStyle = 0,
            UINT nID = 0, LPVOID lpCreateParam = NULL)
    {
        // These styles are required for command bars
        dwStyle |= TBSTYLE_LIST | TBSTYLE_FLAT;
#if (_MSC_VER >= 1300)
        return ATL::CWindowImpl< T, TBase, TWinTraits >::Create(hWndParent, rcPos, szWindowName, dwStyle, dwExStyle, nID, lpCreateParam);
#else // !(_MSC_VER >= 1300)
        typedef ATL::CWindowImpl< T, TBase, TWinTraits >   _baseClass;
        return _baseClass::Create(hWndParent, rcPos, szWindowName, dwStyle, dwExStyle, nID, lpCreateParam);
#endif // !(_MSC_VER >= 1300)
    }

    BOOL AttachToWindow(HWND hWnd)
    {
        ATLASSERT(m_hWnd == NULL);
        ATLASSERT(::IsWindow(hWnd));
        BOOL bRet = SubclassWindow(hWnd);
        if(bRet)
        {
            m_bAttachedMenu = true;
            T* pT = static_cast<T*>(this);
            pT->GetSystemSettings();
        }
        return bRet;
    }

    BOOL LoadMenu(ATL::_U_STRINGorID menu)
    {
        ATLASSERT(::IsWindow(m_hWnd));

        if(m_bAttachedMenu)   // doesn't work in this mode
            return FALSE;
        if(menu.m_lpstr == NULL)
            return FALSE;

        HMENU hMenu = ::LoadMenu(ModuleHelper::GetResourceInstance(), menu.m_lpstr);
        if(hMenu == NULL)
            return FALSE;

        return AttachMenu(hMenu);
    }

    BOOL AttachMenu(HMENU hMenu)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(hMenu == NULL || ::IsMenu(hMenu));
        if(hMenu != NULL && !::IsMenu(hMenu))
            return FALSE;

#if _WTL_CMDBAR_VISTA_MENUS
        // remove Vista bitmaps if used
        if(m_bVistaMenus && (m_hMenu != NULL))
        {
            T* pT = static_cast<T*>(this);
            pT->_RemoveVistaBitmapsFromMenu();
        }
#endif // _WTL_CMDBAR_VISTA_MENUS

        // destroy old menu, if needed, and set new one
        if(m_hMenu != NULL && (m_dwExtendedStyle & CBR_EX_SHAREMENU) == 0)
            ::DestroyMenu(m_hMenu);

        m_hMenu = hMenu;

        if(m_bAttachedMenu)   // Nothing else in this mode
            return TRUE;

        // Build buttons according to menu
        SetRedraw(FALSE);

        // Clear all buttons
        int nCount = GetButtonCount();
        for(int i = 0; i < nCount; i++)
            ATLVERIFY(DeleteButton(0) != FALSE);

        // Add buttons for each menu item
        if(m_hMenu != NULL)
        {
            int nItems = ::GetMenuItemCount(m_hMenu);

            T* pT = static_cast<T*>(this);
            pT;   // avoid level 4 warning
            TCHAR szString[pT->_nMaxMenuItemTextLength] = { 0 };
            for(int i = 0; i < nItems; i++)
            {
                CMenuItemInfo mii;
                mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_SUBMENU;
                mii.fType = MFT_STRING;
                mii.dwTypeData = szString;
                mii.cch = pT->_nMaxMenuItemTextLength;
                BOOL bRet = ::GetMenuItemInfo(m_hMenu, i, TRUE, &mii);
                ATLASSERT(bRet);
                // If we have more than the buffer, we assume we have bitmaps bits
                if(lstrlen(szString) > pT->_nMaxMenuItemTextLength - 1)
                {
                    mii.fType = MFT_BITMAP;
                    ::SetMenuItemInfo(m_hMenu, i, TRUE, &mii);
                    szString[0] = 0;
                }

                // NOTE: Command Bar currently supports only drop-down menu items
                ATLASSERT(mii.hSubMenu != NULL);

                TBBUTTON btn = { 0 };
                btn.iBitmap = 0;
                btn.idCommand = i;
                btn.fsState = (BYTE)(((mii.fState & MFS_DISABLED) == 0) ? TBSTATE_ENABLED : 0);
                btn.fsStyle = TBSTYLE_BUTTON | TBSTYLE_AUTOSIZE | TBSTYLE_DROPDOWN;
                btn.dwData = 0;
                btn.iString = 0;

                bRet = InsertButton(-1, &btn);
                ATLASSERT(bRet);

                TBBUTTONINFO bi = { 0 };
                bi.cbSize = sizeof(TBBUTTONINFO);
                bi.dwMask = TBIF_TEXT;
                bi.pszText = szString;

                bRet = SetButtonInfo(i, &bi);
                ATLASSERT(bRet);
            }
        }

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

        return TRUE;
    }

    BOOL LoadImages(ATL::_U_STRINGorID image)
    {
        return _LoadImagesHelper(image, false);
    }

    BOOL LoadMappedImages(UINT nIDImage, UINT nFlags = 0, LPCOLORMAP lpColorMap = NULL, int nMapSize = 0)
    {
        return _LoadImagesHelper(nIDImage, true, nFlags , lpColorMap, nMapSize);
    }

    BOOL _LoadImagesHelper(ATL::_U_STRINGorID image, bool bMapped, UINT nFlags = 0, LPCOLORMAP lpColorMap = NULL, int nMapSize = 0)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        HINSTANCE hInstance = ModuleHelper::GetResourceInstance();

        HRSRC hRsrc = ::FindResource(hInstance, image.m_lpstr, (LPTSTR)RT_TOOLBAR);
        if(hRsrc == NULL)
            return FALSE;

        HGLOBAL hGlobal = ::LoadResource(hInstance, hRsrc);
        if(hGlobal == NULL)
            return FALSE;

        _ToolBarData* pData = (_ToolBarData*)::LockResource(hGlobal);
        if(pData == NULL)
            return FALSE;
        ATLASSERT(pData->wVersion == 1);

        WORD* pItems = pData->items();
        int nItems = pData->wItemCount;

        // Set internal data
        SetImageSize(pData->wWidth, pData->wHeight);

        // Create image list if needed
        if(m_hImageList == NULL)
        {
            // Check if the bitmap is 32-bit (alpha channel) bitmap (valid for Windows XP only)
            T* pT = static_cast<T*>(this);
            m_bAlphaImages = AtlIsAlphaBitmapResource(image);

            if(!pT->CreateInternalImageList(pData->wItemCount))
                return FALSE;
        }

#if _WTL_CMDBAR_VISTA_MENUS
        int nOldImageCount = ::ImageList_GetImageCount(m_hImageList);
#endif // _WTL_CMDBAR_VISTA_MENUS

        // Add bitmap to our image list
        CBitmap bmp;
        if(bMapped)
        {
            ATLASSERT(HIWORD(PtrToUlong(image.m_lpstr)) == 0);   // if mapped, must be a numeric ID
            int nIDImage = (int)(short)LOWORD(PtrToUlong(image.m_lpstr));
            bmp.LoadMappedBitmap(nIDImage, (WORD)nFlags, lpColorMap, nMapSize);
        }
        else
        {
            if(m_bAlphaImages)
                bmp = (HBITMAP)::LoadImage(ModuleHelper::GetResourceInstance(), image.m_lpstr, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_DEFAULTSIZE);
            else
                bmp.LoadBitmap(image.m_lpstr);
        }
        ATLASSERT(bmp.m_hBitmap != NULL);
        if(bmp.m_hBitmap == NULL)
            return FALSE;
        if(::ImageList_AddMasked(m_hImageList, bmp, m_clrMask) == -1)
            return FALSE;

        // Fill the array with command IDs
        for(int i = 0; i < nItems; i++)
        {
            if(pItems[i] != 0)
                m_arrCommand.Add(pItems[i]);
        }

        int nImageCount = ::ImageList_GetImageCount(m_hImageList);
        ATLASSERT(nImageCount == m_arrCommand.GetSize());
        if(nImageCount != m_arrCommand.GetSize())
            return FALSE;

#if _WTL_CMDBAR_VISTA_MENUS
        if(RunTimeHelper::IsVista())
        {
            T* pT = static_cast<T*>(this);
            pT->_AddVistaBitmapsFromImageList(nOldImageCount, nImageCount - nOldImageCount);
            ATLASSERT(nImageCount == m_arrVistaBitmap.GetSize());
        }
#endif // _WTL_CMDBAR_VISTA_MENUS

        return TRUE;
    }

    BOOL AddBitmap(ATL::_U_STRINGorID bitmap, int nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        CBitmap bmp;
        bmp.LoadBitmap(bitmap.m_lpstr);
        if(bmp.m_hBitmap == NULL)
            return FALSE;
        return AddBitmap(bmp, nCommandID);
    }

    BOOL AddBitmap(HBITMAP hBitmap, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        T* pT = static_cast<T*>(this);
        // Create image list if it doesn't exist
        if(m_hImageList == NULL)
        {
            if(!pT->CreateInternalImageList(1))
                return FALSE;
        }
        // check bitmap size
        CBitmapHandle bmp = hBitmap;
        SIZE size = { 0, 0 };
        bmp.GetSize(size);
        if(size.cx != m_szBitmap.cx || size.cy != m_szBitmap.cy)
        {
            ATLASSERT(FALSE);   // must match size!
            return FALSE;
        }
        // add bitmap
        int nRet = ::ImageList_AddMasked(m_hImageList, hBitmap, m_clrMask);
        if(nRet == -1)
            return FALSE;
        BOOL bRet = m_arrCommand.Add((WORD)nCommandID);
        ATLASSERT(::ImageList_GetImageCount(m_hImageList) == m_arrCommand.GetSize());
#if _WTL_CMDBAR_VISTA_MENUS
        if(RunTimeHelper::IsVista())
        {
            pT->_AddVistaBitmapFromImageList(m_arrCommand.GetSize() - 1);
            ATLASSERT(m_arrVistaBitmap.GetSize() == m_arrCommand.GetSize());
        }
#endif // _WTL_CMDBAR_VISTA_MENUS
        return bRet;
    }

    BOOL AddIcon(ATL::_U_STRINGorID icon, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        HICON hIcon = ::LoadIcon(ModuleHelper::GetResourceInstance(), icon.m_lpstr);
        if(hIcon == NULL)
            return FALSE;
        return AddIcon(hIcon, nCommandID);
    }

    BOOL AddIcon(HICON hIcon, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        T* pT = static_cast<T*>(this);
        // create image list if it doesn't exist
        if(m_hImageList == NULL)
        {
            if(!pT->CreateInternalImageList(1))
                return FALSE;
        }

        int nRet = ::ImageList_AddIcon(m_hImageList, hIcon);
        if(nRet == -1)
            return FALSE;
        BOOL bRet = m_arrCommand.Add((WORD)nCommandID);
        ATLASSERT(::ImageList_GetImageCount(m_hImageList) == m_arrCommand.GetSize());
#if _WTL_CMDBAR_VISTA_MENUS
        if(RunTimeHelper::IsVista())
        {
            pT->_AddVistaBitmapFromImageList(m_arrCommand.GetSize() - 1);
            ATLASSERT(m_arrVistaBitmap.GetSize() == m_arrCommand.GetSize());
        }
#endif // _WTL_CMDBAR_VISTA_MENUS
        return bRet;
    }

    BOOL ReplaceBitmap(ATL::_U_STRINGorID bitmap, int nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        CBitmap bmp;
        bmp.LoadBitmap(bitmap.m_lpstr);
        if(bmp.m_hBitmap == NULL)
            return FALSE;
        return ReplaceBitmap(bmp, nCommandID);
    }

    BOOL ReplaceBitmap(HBITMAP hBitmap, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        BOOL bRet = FALSE;
        for(int i = 0; i < m_arrCommand.GetSize(); i++)
        {
            if(m_arrCommand[i] == nCommandID)
            {
                bRet = ::ImageList_Remove(m_hImageList, i);
                if(bRet)
                {
                    m_arrCommand.RemoveAt(i);
#if _WTL_CMDBAR_VISTA_MENUS
                    if(RunTimeHelper::IsVista())
                    {
                        if(m_arrVistaBitmap[i] != NULL)
                            ::DeleteObject(m_arrVistaBitmap[i]);
                        m_arrVistaBitmap.RemoveAt(i);
                    }
#endif // _WTL_CMDBAR_VISTA_MENUS
                }
                break;
            }
        }
        if(bRet)
            bRet = AddBitmap(hBitmap, nCommandID);
        return bRet;
    }

    BOOL ReplaceIcon(ATL::_U_STRINGorID icon, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        HICON hIcon = ::LoadIcon(ModuleHelper::GetResourceInstance(), icon.m_lpstr);
        if(hIcon == NULL)
            return FALSE;
        return ReplaceIcon(hIcon, nCommandID);
    }

    BOOL ReplaceIcon(HICON hIcon, UINT nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        BOOL bRet = FALSE;
        for(int i = 0; i < m_arrCommand.GetSize(); i++)
        {
            if(m_arrCommand[i] == nCommandID)
            {
                bRet = (::ImageList_ReplaceIcon(m_hImageList, i, hIcon) != -1);
#if _WTL_CMDBAR_VISTA_MENUS
                if(RunTimeHelper::IsVista() && bRet != FALSE)
                {
                    T* pT = static_cast<T*>(this);
                    pT->_ReplaceVistaBitmapFromImageList(i);
                }
#endif // _WTL_CMDBAR_VISTA_MENUS
                break;
            }
        }
        return bRet;
    }

    BOOL RemoveImage(int nCommandID)
    {
        ATLASSERT(::IsWindow(m_hWnd));

        BOOL bRet = FALSE;
        for(int i = 0; i < m_arrCommand.GetSize(); i++)
        {
            if(m_arrCommand[i] == nCommandID)
            {
                bRet = ::ImageList_Remove(m_hImageList, i);
                if(bRet)
                {
                    m_arrCommand.RemoveAt(i);
#if _WTL_CMDBAR_VISTA_MENUS
                    if(RunTimeHelper::IsVista())
                    {
                        if(m_arrVistaBitmap[i] != NULL)
                            ::DeleteObject(m_arrVistaBitmap[i]);
                        m_arrVistaBitmap.RemoveAt(i);
                    }
#endif // _WTL_CMDBAR_VISTA_MENUS
                }
                break;
            }
        }
        return bRet;
    }

    BOOL RemoveAllImages()
    {
        ATLASSERT(::IsWindow(m_hWnd));

        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Removing all images\n"));
        BOOL bRet = ::ImageList_RemoveAll(m_hImageList);
        if(bRet)
        {
            m_arrCommand.RemoveAll();
#if _WTL_CMDBAR_VISTA_MENUS
            for(int i = 0; i < m_arrVistaBitmap.GetSize(); i++)
            {
                if(m_arrVistaBitmap[i] != NULL)
                    ::DeleteObject(m_arrVistaBitmap[i]);
            }
            m_arrVistaBitmap.RemoveAll();
#endif // _WTL_CMDBAR_VISTA_MENUS
        }
        return bRet;
    }

    BOOL TrackPopupMenu(HMENU hMenu, UINT uFlags, int x, int y, LPTPMPARAMS lpParams = NULL)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(::IsMenu(hMenu));
        if(!::IsMenu(hMenu))
            return FALSE;
        m_bContextMenu = true;
        if(m_bUseKeyboardCues)
            m_bShowKeyboardCues = m_bKeyboardInput;
        T* pT = static_cast<T*>(this);
        return pT->DoTrackPopupMenu(hMenu, uFlags, x, y, lpParams);
    }

    BOOL SetMDIClient(HWND /*hWndMDIClient*/)
    {
        // Use CMDICommandBarCtrl for MDI support
        ATLASSERT(FALSE);
        return FALSE;
    }

// Message map and handlers
    BEGIN_MSG_MAP(CCommandBarCtrlImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
        MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
        MESSAGE_HANDLER(WM_INITMENU, OnInitMenu)
        MESSAGE_HANDLER(WM_INITMENUPOPUP, OnInitMenuPopup)
        MESSAGE_HANDLER(WM_MENUSELECT, OnMenuSelect)
        MESSAGE_HANDLER(GetAutoPopupMessage(), OnInternalAutoPopup)
        MESSAGE_HANDLER(GetGetBarMessage(), OnInternalGetBar)
        MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChange)
        MESSAGE_HANDLER(WM_MENUCHAR, OnMenuChar)

        MESSAGE_HANDLER(WM_KEYDOWN, OnKeyDown)
        MESSAGE_HANDLER(WM_KEYUP, OnKeyUp)
        MESSAGE_HANDLER(WM_CHAR, OnChar)
        MESSAGE_HANDLER(WM_SYSKEYDOWN, OnSysKeyDown)
        MESSAGE_HANDLER(WM_SYSKEYUP, OnSysKeyUp)
        MESSAGE_HANDLER(WM_SYSCHAR, OnSysChar)
// public API handlers - these stay to support chevrons in atlframe.h
        MESSAGE_HANDLER(CBRM_GETMENU, OnAPIGetMenu)
        MESSAGE_HANDLER(CBRM_TRACKPOPUPMENU, OnAPITrackPopupMenu)
        MESSAGE_HANDLER(CBRM_GETCMDBAR, OnAPIGetCmdBar)

        MESSAGE_HANDLER(WM_DRAWITEM, OnDrawItem)
        MESSAGE_HANDLER(WM_MEASUREITEM, OnMeasureItem)

        MESSAGE_HANDLER(WM_FORWARDMSG, OnForwardMsg)
    ALT_MSG_MAP(1)   // Parent window messages
        NOTIFY_CODE_HANDLER(TBN_HOTITEMCHANGE, OnParentHotItemChange)
        NOTIFY_CODE_HANDLER(TBN_DROPDOWN, OnParentDropDown)
        MESSAGE_HANDLER(WM_INITMENUPOPUP, OnParentInitMenuPopup)
        MESSAGE_HANDLER(GetGetBarMessage(), OnParentInternalGetBar)
        MESSAGE_HANDLER(WM_SYSCOMMAND, OnParentSysCommand)
        MESSAGE_HANDLER(CBRM_GETMENU, OnParentAPIGetMenu)
        MESSAGE_HANDLER(WM_MENUCHAR, OnParentMenuChar)
        MESSAGE_HANDLER(CBRM_TRACKPOPUPMENU, OnParentAPITrackPopupMenu)
        MESSAGE_HANDLER(CBRM_GETCMDBAR, OnParentAPIGetCmdBar)
        MESSAGE_HANDLER(WM_SETTINGCHANGE, OnParentSettingChange)

        MESSAGE_HANDLER(WM_DRAWITEM, OnParentDrawItem)
        MESSAGE_HANDLER(WM_MEASUREITEM, OnParentMeasureItem)

        MESSAGE_HANDLER(WM_ACTIVATE, OnParentActivate)
        NOTIFY_CODE_HANDLER(NM_CUSTOMDRAW, OnParentCustomDraw)
    ALT_MSG_MAP(2)   // MDI client window messages
        // Use CMDICommandBarCtrl for MDI support
    ALT_MSG_MAP(3)   // Message hook messages
        MESSAGE_HANDLER(WM_MOUSEMOVE, OnHookMouseMove)
        MESSAGE_HANDLER(WM_SYSKEYDOWN, OnHookSysKeyDown)
        MESSAGE_HANDLER(WM_SYSKEYUP, OnHookSysKeyUp)
        MESSAGE_HANDLER(WM_SYSCHAR, OnHookSysChar)
        MESSAGE_HANDLER(WM_KEYDOWN, OnHookKeyDown)
        MESSAGE_HANDLER(WM_NEXTMENU, OnHookNextMenu)
        MESSAGE_HANDLER(WM_CHAR, OnHookChar)
    END_MSG_MAP()

    LRESULT OnForwardMsg(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LPMSG pMsg = (LPMSG)lParam;
        if(pMsg->message >= WM_MOUSEFIRST && pMsg->message <= WM_MOUSELAST)
            m_bKeyboardInput = false;
        else if(pMsg->message >= WM_KEYFIRST && pMsg->message <= WM_KEYLAST)
            m_bKeyboardInput = true;
        LRESULT lRet = 0;
        ProcessWindowMessage(pMsg->hwnd, pMsg->message, pMsg->wParam, pMsg->lParam, lRet, 3);
        return lRet;
    }

    LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        // Let the toolbar initialize itself
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);
        // get and use system settings
        T* pT = static_cast<T*>(this);
        pT->GetSystemSettings();
        // Parent init
        ATL::CWindow wndParent = GetParent();
        ATL::CWindow wndTopLevelParent = wndParent.GetTopLevelParent();
        m_wndParent.SubclassWindow(wndTopLevelParent);
        // Toolbar Init
        SetButtonStructSize();
        SetImageList(NULL);

        // Create message hook if needed
        CWindowCreateCriticalSectionLock lock;
        if(FAILED(lock.Lock()))
        {
            ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlImpl::OnCreate.\n"));
            ATLASSERT(FALSE);
            return -1;
        }

        if(s_pmapMsgHook == NULL)
        {
            ATLTRY(s_pmapMsgHook = new CMsgHookMap);
            ATLASSERT(s_pmapMsgHook != NULL);
        }

        if(s_pmapMsgHook != NULL)
        {
            DWORD dwThreadID = ::GetCurrentThreadId();
            _MsgHookData* pData = s_pmapMsgHook->Lookup(dwThreadID);
            if(pData == NULL)
            {
                ATLTRY(pData = new _MsgHookData);
                ATLASSERT(pData != NULL);
                HHOOK hMsgHook = ::SetWindowsHookEx(WH_GETMESSAGE, MessageHookProc, ModuleHelper::GetModuleInstance(), dwThreadID);
                ATLASSERT(hMsgHook != NULL);
                if(pData != NULL && hMsgHook != NULL)
                {
                    pData->hMsgHook = hMsgHook;
                    pData->dwUsage = 1;
                    BOOL bRet = s_pmapMsgHook->Add(dwThreadID, pData);
                    bRet;
                    ATLASSERT(bRet);
                }
            }
            else
            {
                (pData->dwUsage)++;
            }
        }
        lock.Unlock();

        // Get layout
#if (WINVER >= 0x0500)
        m_bLayoutRTL = ((GetExStyle() & WS_EX_LAYOUTRTL) != 0);
#endif // (WINVER >= 0x0500)

        return lRet;
    }

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

#if _WTL_CMDBAR_VISTA_MENUS
        if(m_bVistaMenus && (m_hMenu != NULL))
        {
            T* pT = static_cast<T*>(this);
            pT->_RemoveVistaBitmapsFromMenu();
        }

        for(int i = 0; i < m_arrVistaBitmap.GetSize(); i++)
        {
            if(m_arrVistaBitmap[i] != NULL)
                ::DeleteObject(m_arrVistaBitmap[i]);
        }
#endif // _WTL_CMDBAR_VISTA_MENUS

        if(m_bAttachedMenu)   // nothing to do in this mode
            return lRet;

        CWindowCreateCriticalSectionLock lock;
        if(FAILED(lock.Lock()))
        {
            ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlImpl::OnDestroy.\n"));
            ATLASSERT(FALSE);
            return lRet;
        }

        if(s_pmapMsgHook != NULL)
        {
            DWORD dwThreadID = ::GetCurrentThreadId();
            _MsgHookData* pData = s_pmapMsgHook->Lookup(dwThreadID);
            if(pData != NULL)
            {
                (pData->dwUsage)--;
                if(pData->dwUsage == 0)
                {
                    BOOL bRet = ::UnhookWindowsHookEx(pData->hMsgHook);
                    ATLASSERT(bRet);
                    bRet = s_pmapMsgHook->Remove(dwThreadID);
                    ATLASSERT(bRet);
                    if(bRet)
                        delete pData;
                }

                if(s_pmapMsgHook->GetSize() == 0)
                {
                    delete s_pmapMsgHook;
                    s_pmapMsgHook = NULL;
                }
            }
        }

        lock.Unlock();

        return lRet;
    }

    LRESULT OnKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnKeyDown\n"));
#endif
        bHandled = FALSE;
        // Simulate Alt+Space for the parent
        if(wParam == VK_SPACE)
        {
            m_wndParent.PostMessage(WM_SYSKEYDOWN, wParam, lParam | (1 << 29));
            bHandled = TRUE;
        }
#if (_WIN32_IE >= 0x0500)
        else if(wParam == VK_LEFT || wParam == VK_RIGHT)
        {
            WPARAM wpNext = m_bLayoutRTL ? VK_LEFT : VK_RIGHT;

            if(!m_bMenuActive)
            {
                T* pT = static_cast<T*>(this);
                int nBtn = GetHotItem();
                int nNextBtn = (wParam == wpNext) ? pT->GetNextMenuItem(nBtn) : pT->GetPreviousMenuItem(nBtn);
                if(nNextBtn == -2)
                {
                    SetHotItem(-1);
                    if(pT->DisplayChevronMenu())
                        bHandled = TRUE;
                }
            }
        }
#endif // (_WIN32_IE >= 0x0500)
        return 0;
    }

    LRESULT OnKeyUp(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnKeyUp\n"));
#endif
        if(wParam != VK_SPACE)
            bHandled = FALSE;
        return 0;
    }

    LRESULT OnChar(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnChar\n"));
#endif
        if(wParam != VK_SPACE)
            bHandled = FALSE;
        else
            return 0;
        // Security
        if(!m_wndParent.IsWindowEnabled() || ::GetFocus() != m_hWnd)
            return 0;

        // Handle mnemonic press when we have focus
        int nBtn = 0;
        if(wParam != VK_RETURN && !MapAccelerator((TCHAR)LOWORD(wParam), nBtn))
        {
#if (_WIN32_IE >= 0x0500)
            if((TCHAR)LOWORD(wParam) != _chChevronShortcut)
#endif // (_WIN32_IE >= 0x0500)
                ::MessageBeep(0);
        }
        else
        {
#if (_WIN32_IE >= 0x0500)
            RECT rcClient = { 0 };
            GetClientRect(&rcClient);
            RECT rcBtn = { 0 };
            GetItemRect(nBtn, &rcBtn);
            TBBUTTON tbb = { 0 };
            GetButton(nBtn, &tbb);
            if((tbb.fsState & TBSTATE_ENABLED) != 0 && (tbb.fsState & TBSTATE_HIDDEN) == 0 && rcBtn.right <= rcClient.right)
            {
#endif // (_WIN32_IE >= 0x0500)
                PostMessage(WM_KEYDOWN, VK_DOWN, 0L);
                if(wParam != VK_RETURN)
                    SetHotItem(nBtn);
#if (_WIN32_IE >= 0x0500)
            }
            else
            {
                ::MessageBeep(0);
                bHandled = TRUE;
            }
#endif // (_WIN32_IE >= 0x0500)
        }
        return 0;
    }

    LRESULT OnSysKeyDown(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnSysKeyDown\n"));
#endif
        bHandled = FALSE;
        return 0;
    }

    LRESULT OnSysKeyUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnSysKeyUp\n"));
#endif
        bHandled = FALSE;
        return 0;
    }

    LRESULT OnSysChar(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnSysChar\n"));
#endif
        bHandled = FALSE;
        return 0;
    }

    LRESULT OnEraseBackground(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_bAttachedMenu || (m_dwExtendedStyle & CBR_EX_TRANSPARENT))
        {
            bHandled = FALSE;
            return 0;
        }

        CDCHandle dc = (HDC)wParam;
        RECT rect = { 0 };
        GetClientRect(&rect);
        dc.FillRect(&rect, COLOR_MENU);

        return 1;   // don't do the default erase
    }

    LRESULT OnInitMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        int nIndex = GetHotItem();
        SendMessage(WM_MENUSELECT, MAKEWPARAM(nIndex, MF_POPUP|MF_HILITE), (LPARAM)m_hMenu);
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnInitMenuPopup(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        if((BOOL)HIWORD(lParam))   // System menu, do nothing
        {
            bHandled = FALSE;
            return 1;
        }

        if(!(m_bAttachedMenu || m_bMenuActive))   // Not attached or ours, do nothing
        {
            bHandled = FALSE;
            return 1;
        }

#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnInitMenuPopup\n"));
#endif
        // forward to the parent or subclassed window, so it can handle update UI
        LRESULT lRet = 0;
        if(m_bAttachedMenu)
            lRet = DefWindowProc(uMsg, wParam, (lParam || m_bContextMenu) ? lParam : GetHotItem());
        else
            lRet = m_wndParent.DefWindowProc(uMsg, wParam, (lParam || m_bContextMenu) ? lParam : GetHotItem());

#if _WTL_CMDBAR_VISTA_MENUS
        // If Vista menus are active, just set bitmaps and return
        if(m_bVistaMenus)
        {
            CMenuHandle menu = (HMENU)wParam;
            ATLASSERT(menu.m_hMenu != NULL);

            for(int i = 0; i < menu.GetMenuItemCount(); i++)
            {
                WORD nID = (WORD)menu.GetMenuItemID(i);
                int nIndex = m_arrCommand.Find(nID);

                CMenuItemInfo mii;
                mii.fMask = MIIM_BITMAP;
                mii.hbmpItem = (m_bImagesVisible && (nIndex != -1)) ? m_arrVistaBitmap[nIndex] : NULL;
                menu.SetMenuItemInfo(i, TRUE, &mii);
            }

            return lRet;
        }
#endif // _WTL_CMDBAR_VISTA_MENUS

        // Convert menu items to ownerdraw, add our data
        if(m_bImagesVisible)
        {
            CMenuHandle menuPopup = (HMENU)wParam;
            ATLASSERT(menuPopup.m_hMenu != NULL);

            T* pT = static_cast<T*>(this);
            pT;   // avoid level 4 warning
            TCHAR szString[pT->_nMaxMenuItemTextLength] = { 0 };
            BOOL bRet = FALSE;
            for(int i = 0; i < menuPopup.GetMenuItemCount(); i++)
            {
                CMenuItemInfo mii;
                mii.cch = pT->_nMaxMenuItemTextLength;
                mii.fMask = MIIM_CHECKMARKS | MIIM_DATA | MIIM_ID | MIIM_STATE | MIIM_SUBMENU | MIIM_TYPE;
                mii.dwTypeData = szString;
                bRet = menuPopup.GetMenuItemInfo(i, TRUE, &mii);
                ATLASSERT(bRet);

                if(!(mii.fType & MFT_OWNERDRAW))   // Not already an ownerdraw item
                {
                    mii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_STATE;
                    _MenuItemData* pMI = NULL;
                    ATLTRY(pMI = new _MenuItemData);
                    ATLASSERT(pMI != NULL);
                    if(pMI != NULL)
                    {
                        pMI->fType = mii.fType;
                        pMI->fState = mii.fState;
                        mii.fType |= MFT_OWNERDRAW;
                        pMI->iButton = -1;
                        for(int j = 0; j < m_arrCommand.GetSize(); j++)
                        {
                            if(m_arrCommand[j] == mii.wID)
                            {
                                pMI->iButton = j;
                                break;
                            }
                        }
                        int cchLen = lstrlen(szString) + 1;
                        pMI->lpstrText = NULL;
                        ATLTRY(pMI->lpstrText = new TCHAR[cchLen]);
                        ATLASSERT(pMI->lpstrText != NULL);
                        if(pMI->lpstrText != NULL)
                            SecureHelper::strcpy_x(pMI->lpstrText, cchLen, szString);
                        mii.dwItemData = (ULONG_PTR)pMI;
                        bRet = menuPopup.SetMenuItemInfo(i, TRUE, &mii);
                        ATLASSERT(bRet);
                    }
                }
            }

            // Add it to the list
            m_stackMenuHandle.Push(menuPopup.m_hMenu);
        }

        return lRet;
    }

    LRESULT OnMenuSelect(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        if(!m_bAttachedMenu)   // Not attached, do nothing, forward to parent
        {
            m_bPopupItem = (lParam != NULL) && ((HMENU)lParam != m_hMenu) && (HIWORD(wParam) & MF_POPUP);
            if(m_wndParent.IsWindow())
                m_wndParent.SendMessage(uMsg, wParam, lParam);
            bHandled = FALSE;
            return 1;
        }

        // Check if a menu is closing, do a cleanup
        if(HIWORD(wParam) == 0xFFFF && lParam == NULL)   // Menu closing
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnMenuSelect - CLOSING!!!!\n"));
#endif
            ATLASSERT(m_stackMenuWnd.GetSize() == 0);
            // Restore the menu items to the previous state for all menus that were converted
            if(m_bImagesVisible)
            {
                HMENU hMenu = NULL;
                while((hMenu = m_stackMenuHandle.Pop()) != NULL)
                {
                    CMenuHandle menuPopup = hMenu;
                    ATLASSERT(menuPopup.m_hMenu != NULL);
                    // Restore state and delete menu item data
                    BOOL bRet = FALSE;
                    for(int i = 0; i < menuPopup.GetMenuItemCount(); i++)
                    {
                        CMenuItemInfo mii;
                        mii.fMask = MIIM_DATA | MIIM_TYPE;
                        bRet = menuPopup.GetMenuItemInfo(i, TRUE, &mii);
                        ATLASSERT(bRet);

                        _MenuItemData* pMI = (_MenuItemData*)mii.dwItemData;
                        if(pMI != NULL && pMI->IsCmdBarMenuItem())
                        {
                            mii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_STATE;
                            mii.fType = pMI->fType;
                            mii.dwTypeData = pMI->lpstrText;
                            mii.cch = lstrlen(pMI->lpstrText);
                            mii.dwItemData = NULL;

                            bRet = menuPopup.SetMenuItemInfo(i, TRUE, &mii);
                            ATLASSERT(bRet);

                            delete [] pMI->lpstrText;
                            pMI->dwMagic = 0x6666;
                            delete pMI;
                        }
                    }
                }
            }
        }

        bHandled = FALSE;
        return 1;
    }

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

    LRESULT OnInternalGetBar(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        // Let's make sure we're not embedded in another process
        if((LPVOID)wParam != NULL)
            *((DWORD*)wParam) = GetCurrentProcessId();
        if(IsWindowVisible())
            return (LRESULT)static_cast<CCommandBarCtrlBase*>(this);
        else
            return NULL;
    }

    LRESULT OnSettingChange(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
#ifndef SPI_GETKEYBOARDCUES
        const UINT SPI_SETKEYBOARDCUES = 0x100B;
#endif // !SPI_GETKEYBOARDCUES
#ifndef SPI_GETFLATMENU
        const UINT SPI_SETFLATMENU = 0x1023;
#endif // !SPI_GETFLATMENU

        if(wParam == SPI_SETNONCLIENTMETRICS || wParam == SPI_SETKEYBOARDCUES || wParam == SPI_SETFLATMENU)
        {
            T* pT = static_cast<T*>(this);
            pT->GetSystemSettings();
        }

        return 0;
    }

    LRESULT OnWindowPosChanging(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);

        LPWINDOWPOS lpWP = (LPWINDOWPOS)lParam;
        int cyMin = ::GetSystemMetrics(SM_CYMENU);
        if(lpWP->cy < cyMin)
        lpWP->cy = cyMin;

        return lRet;
    }

    LRESULT OnMenuChar(UINT /*uMsg*/, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - OnMenuChar\n"));
#endif
        bHandled = TRUE;
        T* pT = static_cast<T*>(this);

        LRESULT lRet;
        if(m_bMenuActive && LOWORD(wParam) != 0x0D)
            lRet = 0;
        else
            lRet = MAKELRESULT(1, 1);

        if(m_bMenuActive && HIWORD(wParam) == MF_POPUP)
        {
            // Convert character to lower/uppercase and possibly Unicode, using current keyboard layout
            TCHAR ch = (TCHAR)LOWORD(wParam);
            CMenuHandle menu = (HMENU)lParam;
            int nCount = ::GetMenuItemCount(menu);
            int nRetCode = MNC_EXECUTE;
            BOOL bRet = FALSE;
            TCHAR szString[pT->_nMaxMenuItemTextLength] = { 0 };
            WORD wMnem = 0;
            bool bFound = false;
            for(int i = 0; i < nCount; i++)
            {
                CMenuItemInfo mii;
                mii.cch = pT->_nMaxMenuItemTextLength;
                mii.fMask = MIIM_CHECKMARKS | MIIM_DATA | MIIM_ID | MIIM_STATE | MIIM_SUBMENU | MIIM_TYPE;
                mii.dwTypeData = szString;
                bRet = menu.GetMenuItemInfo(i, TRUE, &mii);
                if(!bRet || (mii.fType & MFT_SEPARATOR))
                    continue;
                _MenuItemData* pmd = (_MenuItemData*)mii.dwItemData;
                if(pmd != NULL && pmd->IsCmdBarMenuItem())
                {
                    LPTSTR p = pmd->lpstrText;

                    if(p != NULL)
                    {
                        while(*p && *p != _T('&'))
                            p = ::CharNext(p);
                        if(p != NULL && *p)
                        {
                            DWORD dwP = MAKELONG(*(++p), 0);
                            DWORD dwC = MAKELONG(ch, 0);
                            if(::CharLower((LPTSTR)ULongToPtr(dwP)) == ::CharLower((LPTSTR)ULongToPtr(dwC)))
                            {
                                if(!bFound)
                                {
                                    wMnem = (WORD)i;
                                    bFound = true;
                                }
                                else
                                {
                                    nRetCode = MNC_SELECT;
                                    break;
                                }
                            }
                        }
                    }
                }
            }
            if(bFound)
            {
                if(nRetCode == MNC_EXECUTE)
                {
                    PostMessage(TB_SETHOTITEM, (WPARAM)-1, 0L);
                    pT->GiveFocusBack();
                }
                bHandled = TRUE;
                lRet = MAKELRESULT(wMnem, nRetCode);
            }
        } 
        else if(!m_bMenuActive)
        {
            int nBtn = 0;
            if(!MapAccelerator((TCHAR)LOWORD(wParam), nBtn))
            {
                bHandled = FALSE;
                PostMessage(TB_SETHOTITEM, (WPARAM)-1, 0L);
                pT->GiveFocusBack();

#if (_WIN32_IE >= 0x0500)
                // check if we should display chevron menu
                if((TCHAR)LOWORD(wParam) == pT->_chChevronShortcut)
                {
                    if(pT->DisplayChevronMenu())
                        bHandled = TRUE;
                }
#endif // (_WIN32_IE >= 0x0500)
            }
            else if(m_wndParent.IsWindowEnabled())
            {
#if (_WIN32_IE >= 0x0500)
                RECT rcClient = { 0 };
                GetClientRect(&rcClient);
                RECT rcBtn = { 0 };
                GetItemRect(nBtn, &rcBtn);
                TBBUTTON tbb = { 0 };
                GetButton(nBtn, &tbb);
                if((tbb.fsState & TBSTATE_ENABLED) != 0 && (tbb.fsState & TBSTATE_HIDDEN) == 0 && rcBtn.right <= rcClient.right)
                {
#endif // (_WIN32_IE >= 0x0500)
                    if(m_bUseKeyboardCues && !m_bShowKeyboardCues)
                    {
                        m_bAllowKeyboardCues = true;
                        ShowKeyboardCues(true);
                    }
                    pT->TakeFocus();
                    PostMessage(WM_KEYDOWN, VK_DOWN, 0L);
                    SetHotItem(nBtn);
#if (_WIN32_IE >= 0x0500)
                }
                else
                {
                    ::MessageBeep(0);
                }
#endif // (_WIN32_IE >= 0x0500)
            }
        }

        return lRet;
    }

    LRESULT OnDrawItem(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        LPDRAWITEMSTRUCT lpDrawItemStruct = (LPDRAWITEMSTRUCT)lParam;
        _MenuItemData* pmd = (_MenuItemData*)lpDrawItemStruct->itemData;
        if(lpDrawItemStruct->CtlType == ODT_MENU && pmd != NULL && pmd->IsCmdBarMenuItem())
        {
            T* pT = static_cast<T*>(this);
            pT->DrawItem(lpDrawItemStruct);
        }
        else
        {
            bHandled = FALSE;
        }
        return (LRESULT)TRUE;
    }

    LRESULT OnMeasureItem(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        LPMEASUREITEMSTRUCT lpMeasureItemStruct = (LPMEASUREITEMSTRUCT)lParam;
        _MenuItemData* pmd = (_MenuItemData*)lpMeasureItemStruct->itemData;
        if(lpMeasureItemStruct->CtlType == ODT_MENU && pmd != NULL && pmd->IsCmdBarMenuItem())
        {
            T* pT = static_cast<T*>(this);
            pT->MeasureItem(lpMeasureItemStruct);
        }
        else
        {
            bHandled = FALSE;
        }
        return (LRESULT)TRUE;
    }

// API message handlers
    LRESULT OnAPIGetMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        return (LRESULT)m_hMenu;
    }

    LRESULT OnAPITrackPopupMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& /*bHandled*/)
    {
        if(lParam == NULL)
            return FALSE;
        LPCBRPOPUPMENU lpCBRPopupMenu = (LPCBRPOPUPMENU)lParam;
        if(lpCBRPopupMenu->cbSize != sizeof(CBRPOPUPMENU))
            return FALSE;

        T* pT = static_cast<T*>(this);
        return pT->TrackPopupMenu(lpCBRPopupMenu->hMenu, lpCBRPopupMenu->uFlags, lpCBRPopupMenu->x, lpCBRPopupMenu->y, lpCBRPopupMenu->lptpm);
    }

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

// Parent window message handlers
    LRESULT OnParentHotItemChange(int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
    {
        LPNMTBHOTITEM lpNMHT = (LPNMTBHOTITEM)pnmh;

        // Check if this comes from us
        if(pnmh->hwndFrom != m_hWnd)
        {
            bHandled = FALSE;
            return 0;
        }

        bool bBlockTracking = false;
        if((m_dwExtendedStyle & CBR_EX_TRACKALWAYS) == 0)
        {
            DWORD dwProcessID;
            ::GetWindowThreadProcessId(::GetActiveWindow(), &dwProcessID);
            bBlockTracking = (::GetCurrentProcessId() != dwProcessID);
        }

        if((!m_wndParent.IsWindowEnabled() || bBlockTracking) && (lpNMHT->dwFlags & HICF_MOUSE))
        {
            return 1;
        }
        else
        {
#ifndef HICF_LMOUSE
            const DWORD HICF_LMOUSE = 0x00000080;   // left mouse button selected
#endif
            bHandled = FALSE;

            // Send WM_MENUSELECT to the app if it needs to display a status text
            if(!(lpNMHT->dwFlags & HICF_MOUSE)
                && !(lpNMHT->dwFlags & HICF_ACCELERATOR)
                && !(lpNMHT->dwFlags & HICF_LMOUSE))
            {
                if(lpNMHT->dwFlags & HICF_ENTERING)
                    m_wndParent.SendMessage(WM_MENUSELECT, 0, (LPARAM)m_hMenu);
                if(lpNMHT->dwFlags & HICF_LEAVING)
                    m_wndParent.SendMessage(WM_MENUSELECT, MAKEWPARAM(0, 0xFFFF), NULL);
            }

            return 0;
        }
    }

    LRESULT OnParentDropDown(int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
    {
        // Check if this comes from us
        if(pnmh->hwndFrom != m_hWnd)
        {
            bHandled = FALSE;
            return 1;
        }

        T* pT = static_cast<T*>(this);
        if(::GetFocus() != m_hWnd)
            pT->TakeFocus();
        LPNMTOOLBAR pNMToolBar = (LPNMTOOLBAR)pnmh;
        int nIndex = CommandToIndex(pNMToolBar->iItem);
        m_bContextMenu = false;
        m_bEscapePressed = false;
        pT->DoPopupMenu(nIndex, true);

        return TBDDRET_DEFAULT;
    }

    LRESULT OnParentInitMenuPopup(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnInitMenuPopup(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentInternalGetBar(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnInternalGetBar(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentSysCommand(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        bHandled = FALSE;
        if((m_uSysKey == VK_MENU 
            || (m_uSysKey == VK_F10 && !(::GetKeyState(VK_SHIFT) & 0x80))
            || m_uSysKey == VK_SPACE) 
            && wParam == SC_KEYMENU)
        {
            T* pT = static_cast<T*>(this);
            if(::GetFocus() == m_hWnd)
            {
                pT->GiveFocusBack();   // exit menu "loop"
                PostMessage(TB_SETHOTITEM, (WPARAM)-1, 0L);
            }
            else if(m_uSysKey != VK_SPACE && !m_bSkipMsg)
            {
                if(m_bUseKeyboardCues && !m_bShowKeyboardCues && m_bAllowKeyboardCues)
                    ShowKeyboardCues(true);

                pT->TakeFocus();      // enter menu "loop"
                bHandled = TRUE;
            }
            else if(m_uSysKey != VK_SPACE)
            {
                bHandled = TRUE;
            }
        }
        m_bSkipMsg = false;
        return 0;
    }

    LRESULT OnParentAPIGetMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnAPIGetMenu(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentMenuChar(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnMenuChar(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentAPITrackPopupMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnAPITrackPopupMenu(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentAPIGetCmdBar(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnAPIGetCmdBar(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentSettingChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        OnSettingChange(uMsg, wParam, lParam, bHandled);
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnParentDrawItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnDrawItem(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentMeasureItem(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        return OnMeasureItem(uMsg, wParam, lParam, bHandled);
    }

    LRESULT OnParentActivate(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        m_bParentActive = (LOWORD(wParam) != WA_INACTIVE);
        if(!m_bParentActive && m_bUseKeyboardCues && m_bShowKeyboardCues)
        {
            ShowKeyboardCues(false);   // this will repaint our window
        }
        else
        {
            Invalidate();
            UpdateWindow();
        }
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnParentCustomDraw(int /*idCtrl*/, LPNMHDR pnmh, BOOL& bHandled)
    {
        LRESULT lRet = CDRF_DODEFAULT;
        bHandled = FALSE;
        if(pnmh->hwndFrom == m_hWnd)
        {
            LPNMTBCUSTOMDRAW lpTBCustomDraw = (LPNMTBCUSTOMDRAW)pnmh;
            if(lpTBCustomDraw->nmcd.dwDrawStage == CDDS_PREPAINT)
            {
                lRet = CDRF_NOTIFYITEMDRAW;
                bHandled = TRUE;
            }
            else if(lpTBCustomDraw->nmcd.dwDrawStage == CDDS_ITEMPREPAINT)
            {
                if(m_bFlatMenus)
                {
#ifndef COLOR_MENUHILIGHT
                    const int COLOR_MENUHILIGHT = 29;
#endif // !COLOR_MENUHILIGHT
                    bool bDisabled = ((lpTBCustomDraw->nmcd.uItemState & CDIS_DISABLED) == CDIS_DISABLED);
                    if(!bDisabled && ((lpTBCustomDraw->nmcd.uItemState & CDIS_HOT) == CDIS_HOT || 
                        (lpTBCustomDraw->nmcd.uItemState & CDIS_SELECTED) == CDIS_SELECTED))
                    {
                        ::FillRect(lpTBCustomDraw->nmcd.hdc, &lpTBCustomDraw->nmcd.rc, ::GetSysColorBrush(COLOR_MENUHILIGHT));
                        ::FrameRect(lpTBCustomDraw->nmcd.hdc, &lpTBCustomDraw->nmcd.rc, ::GetSysColorBrush(COLOR_HIGHLIGHT));
                        lpTBCustomDraw->clrText = ::GetSysColor(m_bParentActive ? COLOR_HIGHLIGHTTEXT : COLOR_GRAYTEXT);
                    }
                    else if(bDisabled || !m_bParentActive)
                    {
                        lpTBCustomDraw->clrText = ::GetSysColor(COLOR_GRAYTEXT);
                    }
                    CDCHandle dc = lpTBCustomDraw->nmcd.hdc;
                    dc.SetTextColor(lpTBCustomDraw->clrText);
                    dc.SetBkMode(lpTBCustomDraw->nStringBkMode);
                    HFONT hFont = GetFont();
                    HFONT hFontOld = NULL;
                    if(hFont != NULL)
                        hFontOld = dc.SelectFont(hFont);
                    const int cchText = 200;
                    TCHAR szText[cchText] = { 0 };
                    TBBUTTONINFO tbbi = { 0 };
                    tbbi.cbSize = sizeof(TBBUTTONINFO);
                    tbbi.dwMask = TBIF_TEXT;
                    tbbi.pszText = szText;
                    tbbi.cchText = cchText;
                    GetButtonInfo((int)lpTBCustomDraw->nmcd.dwItemSpec, &tbbi);
                    dc.DrawText(szText, -1, &lpTBCustomDraw->nmcd.rc, DT_SINGLELINE | DT_CENTER | DT_VCENTER | (m_bShowKeyboardCues ? 0 : DT_HIDEPREFIX));
                    if(hFont != NULL)
                        dc.SelectFont(hFontOld);
                    lRet = CDRF_SKIPDEFAULT;
                    bHandled = TRUE;
                }
                else if(!m_bParentActive)
                {
                    lpTBCustomDraw->clrText = ::GetSysColor(COLOR_GRAYTEXT);
                    bHandled = TRUE;
                }
            }
        }
        return lRet;
    }

// Message hook handlers
    LRESULT OnHookMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        static POINT s_point = { -1, -1 };
        DWORD dwPoint = ::GetMessagePos();
        POINT point = { GET_X_LPARAM(dwPoint), GET_Y_LPARAM(dwPoint) };

        bHandled = FALSE;
        if(m_bMenuActive)
        {
            if(::WindowFromPoint(point) == m_hWnd)
            {
                ScreenToClient(&point);
                int nHit = HitTest(&point);

                if((point.x != s_point.x || point.y != s_point.y) && nHit >= 0 && nHit < ::GetMenuItemCount(m_hMenu) && nHit != m_nPopBtn && m_nPopBtn != -1)
                {
                    TBBUTTON tbb = { 0 };
                    GetButton(nHit, &tbb);
                    if((tbb.fsState & TBSTATE_ENABLED) != 0)
                    {
                        m_nNextPopBtn = nHit | 0xFFFF0000;
                        HWND hWndMenu = m_stackMenuWnd.GetCurrent();
                        ATLASSERT(hWndMenu != NULL);

                        // this one is needed to close a menu if mouse button was down
                        ::PostMessage(hWndMenu, WM_LBUTTONUP, 0, MAKELPARAM(point.x, point.y));
                        // this one closes a popup menu
                        ::PostMessage(hWndMenu, WM_KEYDOWN, VK_ESCAPE, 0L);

                        bHandled = TRUE;
                    }
                }
            }
        }
        else
        {
            ScreenToClient(&point);
        }

        s_point = point;
        return 0;
    }

    LRESULT OnHookSysKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        bHandled = FALSE;
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_SYSKEYDOWN (0x%2.2X)\n"), wParam);
#endif

        if(wParam == VK_MENU && m_bParentActive && m_bUseKeyboardCues && !m_bShowKeyboardCues && m_bAllowKeyboardCues)
            ShowKeyboardCues(true);

        if(wParam != VK_SPACE && !m_bMenuActive && ::GetFocus() == m_hWnd)
        {
            m_bAllowKeyboardCues = false;
            PostMessage(TB_SETHOTITEM, (WPARAM)-1, 0L);
            T* pT = static_cast<T*>(this);
            pT->GiveFocusBack();
            m_bSkipMsg = true;
        }
        else
        {
            if(wParam == VK_SPACE && m_bUseKeyboardCues && m_bShowKeyboardCues)
            {
                m_bAllowKeyboardCues = true;
                ShowKeyboardCues(false);
            }
            m_uSysKey = (UINT)wParam;
        }
        return 0;
    }

    LRESULT OnHookSysKeyUp(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(!m_bAllowKeyboardCues)
            m_bAllowKeyboardCues = true;
        bHandled = FALSE;
        wParam;
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_SYSKEYUP (0x%2.2X)\n"), wParam);
#endif
        return 0;
    }

    LRESULT OnHookSysChar(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        bHandled = FALSE;
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_SYSCHAR (0x%2.2X)\n"), wParam);
#endif

        if(!m_bMenuActive && m_hWndHook != m_hWnd && wParam != VK_SPACE)
            bHandled = TRUE;
        return 0;
    }

    LRESULT OnHookKeyDown(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_KEYDOWN (0x%2.2X)\n"), wParam);
#endif
        bHandled = FALSE;
        T* pT = static_cast<T*>(this);

        if(wParam == VK_ESCAPE && m_stackMenuWnd.GetSize() <= 1)
        {
            if(m_bMenuActive && !m_bContextMenu)
            {
                int nHot = GetHotItem();
                if(nHot == -1)
                    nHot = m_nPopBtn;
                if(nHot == -1)
                    nHot = 0;
                SetHotItem(nHot);
                bHandled = TRUE;
                pT->TakeFocus();
                m_bEscapePressed = true; // To keep focus
                m_bSkipPostDown = false;
            }
            else if(::GetFocus() == m_hWnd && m_wndParent.IsWindow())
            {
                SetHotItem(-1);
                pT->GiveFocusBack();
                bHandled = TRUE;
            }
        }
        else if(wParam == VK_RETURN || wParam == VK_UP || wParam == VK_DOWN)
        {
            if(!m_bMenuActive && ::GetFocus() == m_hWnd && m_wndParent.IsWindow())
            {
                int nHot = GetHotItem();
                if(nHot != -1)
                {
                    if(wParam != VK_RETURN)
                    {
                        if(!m_bSkipPostDown)
                        {
// IE4 only: WM_KEYDOWN doesn't generate TBN_DROPDOWN, we need to simulate a mouse click
#if (_WIN32_IE < 0x0500)
                            DWORD dwMajor = 0, dwMinor = 0;
                            ATL::AtlGetCommCtrlVersion(&dwMajor, &dwMinor);
                            if(dwMajor <= 4 || (dwMajor == 5 && dwMinor < 80))
                            {
                                RECT rect;
                                GetItemRect(nHot, &rect);
                                PostMessage(WM_LBUTTONDOWN, MK_LBUTTON, MAKELPARAM(rect.left, rect.top));
                            }
#endif // (_WIN32_IE < 0x0500)
                            PostMessage(WM_KEYDOWN, VK_DOWN, 0L);
                            m_bSkipPostDown = true;
                        }
                        else
                        {
                            ATLTRACE2(atlTraceUI, 0, _T("CmdBar - skipping posting another VK_DOWN\n"));
                            m_bSkipPostDown = false;
                        }
                    }
                }
                else
                {
                    ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Can't find hot button\n"));
                }
            }
            if(wParam == VK_RETURN && m_bMenuActive)
            {
                PostMessage(TB_SETHOTITEM, (WPARAM)-1, 0L);
                m_nNextPopBtn = -1;
                pT->GiveFocusBack();
            }
        }
        else if(wParam == VK_LEFT || wParam == VK_RIGHT)
        {
            WPARAM wpNext = m_bLayoutRTL ? VK_LEFT : VK_RIGHT;
            WPARAM wpPrev = m_bLayoutRTL ? VK_RIGHT : VK_LEFT;

            if(m_bMenuActive && !m_bContextMenu && !(wParam == wpNext && m_bPopupItem))
            {
                bool bAction = false;
                if(wParam == wpPrev && s_pCurrentBar->m_stackMenuWnd.GetSize() == 1)
                {
                    m_nNextPopBtn = pT->GetPreviousMenuItem(m_nPopBtn);
                    if(m_nNextPopBtn != -1)
                        bAction = true;
                }
                else if(wParam == wpNext)
                {
                    m_nNextPopBtn = pT->GetNextMenuItem(m_nPopBtn);
                    if(m_nNextPopBtn != -1)
                        bAction = true;
                }
                HWND hWndMenu = m_stackMenuWnd.GetCurrent();
                ATLASSERT(hWndMenu != NULL);

                // Close the popup menu
                if(bAction)
                {
                    ::PostMessage(hWndMenu, WM_KEYDOWN, VK_ESCAPE, 0L);
                    if(wParam == wpNext)
                    {
                        int cItem = m_stackMenuWnd.GetSize() - 1;
                        while(cItem >= 0)
                        {
                            hWndMenu = m_stackMenuWnd[cItem];
                            if(hWndMenu != NULL)
                                ::PostMessage(hWndMenu, WM_KEYDOWN, VK_ESCAPE, 0L);
                            cItem--;
                        }
                    }
#if (_WIN32_IE >= 0x0500)
                    if(m_nNextPopBtn == -2)
                    {
                        m_nNextPopBtn = -1;
                        pT->DisplayChevronMenu();
                    }
#endif // (_WIN32_IE >= 0x0500)
                    bHandled = TRUE;
                }
            }
        }
        return 0;
    }

    LRESULT OnHookNextMenu(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_NEXTMENU\n"));
#endif
        bHandled = FALSE;
        return 1;
    }

    LRESULT OnHookChar(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook WM_CHAR (0x%2.2X)\n"), wParam);
#endif
        bHandled = (wParam == VK_ESCAPE);
        return 0;
    }

// Implementation - ownerdraw overrideables and helpers
    void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
    {
        T* pT = static_cast<T*>(this);
        if(m_bFlatMenus)
            pT->DrawItemFlat(lpDrawItemStruct);
        else
            pT->DrawItem3D(lpDrawItemStruct);

    }

    void DrawItem3D(LPDRAWITEMSTRUCT lpDrawItemStruct)
    {
        _MenuItemData* pmd = (_MenuItemData*)lpDrawItemStruct->itemData;
        CDCHandle dc = lpDrawItemStruct->hDC;
        const RECT& rcItem = lpDrawItemStruct->rcItem;
        T* pT = static_cast<T*>(this);

        if(pmd->fType & MFT_SEPARATOR)
        {
            // draw separator
            RECT rc = rcItem;
            rc.top += (rc.bottom - rc.top) / 2;      // vertical center
            dc.DrawEdge(&rc, EDGE_ETCHED, BF_TOP);   // draw separator line
        }
        else        // not a separator
        {
            BOOL bDisabled = lpDrawItemStruct->itemState & ODS_GRAYED;
            BOOL bSelected = lpDrawItemStruct->itemState & ODS_SELECTED;
            BOOL bChecked = lpDrawItemStruct->itemState & ODS_CHECKED;
            BOOL bHasImage = FALSE;

            if(LOWORD(lpDrawItemStruct->itemID) == (WORD)-1)
                bSelected = FALSE;
            RECT rcButn = { rcItem.left, rcItem.top, rcItem.left + m_szButton.cx, rcItem.top + m_szButton.cy };   // button rect
            ::OffsetRect(&rcButn, 0, ((rcItem.bottom - rcItem.top) - (rcButn.bottom - rcButn.top)) / 2);          // center vertically

            int iButton = pmd->iButton;
            if(iButton >= 0)
            {
                bHasImage = TRUE;

                // calc drawing point
                SIZE sz = { rcButn.right - rcButn.left - m_szBitmap.cx, rcButn.bottom - rcButn.top - m_szBitmap.cy };
                sz.cx /= 2;
                sz.cy /= 2;
                POINT point = { rcButn.left + sz.cx, rcButn.top + sz.cy };

                // fill background depending on state
                if(!bChecked || (bSelected && !bDisabled))
                {
                    if(!bDisabled)
                        dc.FillRect(&rcButn, (bChecked && !bSelected) ? COLOR_3DLIGHT : COLOR_MENU);
                    else
                        dc.FillRect(&rcButn, COLOR_MENU);
                }
                else
                {
                    COLORREF crTxt = dc.SetTextColor(::GetSysColor(COLOR_BTNFACE));
                    COLORREF crBk = dc.SetBkColor(::GetSysColor(COLOR_BTNHILIGHT));
                    CBrush hbr(CDCHandle::GetHalftoneBrush());
                    dc.SetBrushOrg(rcButn.left, rcButn.top);
                    dc.FillRect(&rcButn, hbr);
                    dc.SetTextColor(crTxt);
                    dc.SetBkColor(crBk);
                }

                // draw disabled or normal
                if(!bDisabled)
                {
                    // draw pushed-in or popped-out edge
                    if(bSelected || bChecked)
                    {
                        RECT rc2 = rcButn;
                        dc.DrawEdge(&rc2, bChecked ? BDR_SUNKENOUTER : BDR_RAISEDINNER, BF_RECT);
                    }
                    // draw the image
                    ::ImageList_Draw(m_hImageList, iButton, dc, point.x, point.y, ILD_TRANSPARENT);
                }
                else
                {
                    HBRUSH hBrushBackground = bChecked ? NULL : ::GetSysColorBrush(COLOR_MENU);
                    pT->DrawBitmapDisabled(dc, iButton, point, hBrushBackground);
                }
            }
            else
            {
                // no image - look for custom checked/unchecked bitmaps
                CMenuItemInfo info;
                info.fMask = MIIM_CHECKMARKS | MIIM_TYPE;
                ::GetMenuItemInfo((HMENU)lpDrawItemStruct->hwndItem, lpDrawItemStruct->itemID, MF_BYCOMMAND, &info);
                if(bChecked || info.hbmpUnchecked != NULL)
                {
                    BOOL bRadio = ((info.fType & MFT_RADIOCHECK) != 0);
                    bHasImage = pT->DrawCheckmark(dc, rcButn, bSelected, bDisabled, bRadio, bChecked ? info.hbmpChecked : info.hbmpUnchecked);
                }
            }

            // draw item text
            int cxButn = m_szButton.cx;
            COLORREF colorBG = ::GetSysColor(bSelected ? COLOR_HIGHLIGHT : COLOR_MENU);
            if(bSelected || lpDrawItemStruct->itemAction == ODA_SELECT)
            {
                RECT rcBG = rcItem;
                if(bHasImage)
                    rcBG.left += cxButn + s_kcxGap;
                dc.FillRect(&rcBG, bSelected ? COLOR_HIGHLIGHT : COLOR_MENU);
            }

            // calc text rectangle and colors
            RECT rcText = rcItem;
            rcText.left += cxButn + s_kcxGap + s_kcxTextMargin;
            rcText.right -= cxButn;
            dc.SetBkMode(TRANSPARENT);
            COLORREF colorText = ::GetSysColor(bDisabled ?  (bSelected ? COLOR_GRAYTEXT : COLOR_3DSHADOW) : (bSelected ? COLOR_HIGHLIGHTTEXT : COLOR_MENUTEXT));

            // font already selected by Windows
            if(bDisabled && (!bSelected || colorText == colorBG))
            {
                // disabled - draw shadow text shifted down and right 1 pixel (unles selected)
                RECT rcDisabled = rcText;
                ::OffsetRect(&rcDisabled, 1, 1);
                pT->DrawMenuText(dc, rcDisabled, pmd->lpstrText, ::GetSysColor(COLOR_3DHILIGHT));
            }
            pT->DrawMenuText(dc, rcText, pmd->lpstrText, colorText); // finally!
        }
    }

    void DrawItemFlat(LPDRAWITEMSTRUCT lpDrawItemStruct)
    {
        _MenuItemData* pmd = (_MenuItemData*)lpDrawItemStruct->itemData;
        CDCHandle dc = lpDrawItemStruct->hDC;
        const RECT& rcItem = lpDrawItemStruct->rcItem;
        T* pT = static_cast<T*>(this);

#ifndef COLOR_MENUHILIGHT
        const int COLOR_MENUHILIGHT = 29;
#endif // !COLOR_MENUHILIGHT

        BOOL bDisabled = lpDrawItemStruct->itemState & ODS_GRAYED;
        BOOL bSelected = lpDrawItemStruct->itemState & ODS_SELECTED;
        BOOL bChecked = lpDrawItemStruct->itemState & ODS_CHECKED;

        // paint background
        if(bSelected || lpDrawItemStruct->itemAction == ODA_SELECT)
        {
            if(bSelected)
            {
                dc.FillRect(&rcItem, ::GetSysColorBrush(COLOR_MENUHILIGHT));
                dc.FrameRect(&rcItem, ::GetSysColorBrush(COLOR_HIGHLIGHT));
            }
            else
            {
                dc.FillRect(&rcItem, ::GetSysColorBrush(COLOR_MENU));
            }
        }

        if(pmd->fType & MFT_SEPARATOR)
        {
            // draw separator
            RECT rc = rcItem;
            rc.top += (rc.bottom - rc.top) / 2;      // vertical center
            dc.DrawEdge(&rc, EDGE_ETCHED, BF_TOP);   // draw separator line
        }
        else        // not a separator
        {
            if(LOWORD(lpDrawItemStruct->itemID) == (WORD)-1)
                bSelected = FALSE;
            RECT rcButn = { rcItem.left, rcItem.top, rcItem.left + m_szButton.cx, rcItem.top + m_szButton.cy };   // button rect
            ::OffsetRect(&rcButn, 0, ((rcItem.bottom - rcItem.top) - (rcButn.bottom - rcButn.top)) / 2);          // center vertically

            // draw background and border for checked items
            if(bChecked)
            {
                RECT rcCheck = rcButn;
                ::InflateRect(&rcCheck, -1, -1);
                if(bSelected)
                    dc.FillRect(&rcCheck, ::GetSysColorBrush(COLOR_MENU));
                dc.FrameRect(&rcCheck, ::GetSysColorBrush(COLOR_HIGHLIGHT));
            }

            int iButton = pmd->iButton;
            if(iButton >= 0)
            {
                // calc drawing point
                SIZE sz = { rcButn.right - rcButn.left - m_szBitmap.cx, rcButn.bottom - rcButn.top - m_szBitmap.cy };
                sz.cx /= 2;
                sz.cy /= 2;
                POINT point = { rcButn.left + sz.cx, rcButn.top + sz.cy };

                // draw disabled or normal
                if(!bDisabled)
                {
                    ::ImageList_Draw(m_hImageList, iButton, dc, point.x, point.y, ILD_TRANSPARENT);
                }
                else
                {
                    HBRUSH hBrushBackground = ::GetSysColorBrush((bSelected && !(bDisabled && bChecked)) ? COLOR_MENUHILIGHT : COLOR_MENU);
                    HBRUSH hBrushDisabledImage = ::GetSysColorBrush(COLOR_3DSHADOW);
                    pT->DrawBitmapDisabled(dc, iButton, point, hBrushBackground, hBrushBackground, hBrushDisabledImage);
                }
            }
            else
            {
                // no image - look for custom checked/unchecked bitmaps
                CMenuItemInfo info;
                info.fMask = MIIM_CHECKMARKS | MIIM_TYPE;
                ::GetMenuItemInfo((HMENU)lpDrawItemStruct->hwndItem, lpDrawItemStruct->itemID, MF_BYCOMMAND, &info);
                if(bChecked || info.hbmpUnchecked != NULL)
                {
                    BOOL bRadio = ((info.fType & MFT_RADIOCHECK) != 0);
                    pT->DrawCheckmark(dc, rcButn, bSelected, bDisabled, bRadio, bChecked ? info.hbmpChecked : info.hbmpUnchecked);
                }
            }

            // draw item text
            int cxButn = m_szButton.cx;
            // calc text rectangle and colors
            RECT rcText = rcItem;
            rcText.left += cxButn + s_kcxGap + s_kcxTextMargin;
            rcText.right -= cxButn;
            dc.SetBkMode(TRANSPARENT);
            COLORREF colorText = ::GetSysColor(bDisabled ?  (bSelected ? COLOR_GRAYTEXT : COLOR_3DSHADOW) : (bSelected ? COLOR_HIGHLIGHTTEXT : COLOR_MENUTEXT));

            pT->DrawMenuText(dc, rcText, pmd->lpstrText, colorText); // finally!
        }
    }

    void DrawMenuText(CDCHandle& dc, RECT& rc, LPCTSTR lpstrText, COLORREF color)
    {
        int nTab = -1;
        for(int i = 0; i < lstrlen(lpstrText); i++)
        {
            if(lpstrText[i] == _T('\t'))
            {
                nTab = i;
                break;
            }
        }
        dc.SetTextColor(color);
        dc.DrawText(lpstrText, nTab, &rc, DT_SINGLELINE | DT_LEFT | DT_VCENTER | (m_bShowKeyboardCues ? 0 : DT_HIDEPREFIX));
        if(nTab != -1)
            dc.DrawText(&lpstrText[nTab + 1], -1, &rc, DT_SINGLELINE | DT_RIGHT | DT_VCENTER | (m_bShowKeyboardCues ? 0 : DT_HIDEPREFIX));
    }

    void DrawBitmapDisabled(CDCHandle& dc, int nImage, POINT point,
            HBRUSH hBrushBackground = ::GetSysColorBrush(COLOR_3DFACE),
            HBRUSH hBrush3DEffect = ::GetSysColorBrush(COLOR_3DHILIGHT),
            HBRUSH hBrushDisabledImage = ::GetSysColorBrush(COLOR_3DSHADOW))
    {
#if (_WIN32_WINNT >= 0x0501) && (_WIN32_IE >= 0x0501)
        if(m_bAlphaImages)
        {
            IMAGELISTDRAWPARAMS ildp = { 0 };
            ildp.cbSize = sizeof(IMAGELISTDRAWPARAMS);
            ildp.himl = m_hImageList;
            ildp.i = nImage;
            ildp.hdcDst = dc;
            ildp.x = point.x;
            ildp.y = point.y;
            ildp.cx = 0;
            ildp.cy = 0;
            ildp.xBitmap = 0;
            ildp.yBitmap = 0;
            ildp.fStyle = ILD_TRANSPARENT;
            ildp.fState = ILS_SATURATE;
            ildp.Frame = 0;
            ::ImageList_DrawIndirect(&ildp);
        }
        else
#endif // (_WIN32_WINNT >= 0x0501) && (_WIN32_IE >= 0x0501)
        {
            // create memory DC
            CDC dcMem;
            dcMem.CreateCompatibleDC(dc);
            // create mono or color bitmap
            CBitmap bmp;
            bmp.CreateCompatibleBitmap(dc, m_szBitmap.cx, m_szBitmap.cy);
            ATLASSERT(bmp.m_hBitmap != NULL);
            // draw image into memory DC--fill BG white first
            HBITMAP hBmpOld = dcMem.SelectBitmap(bmp);
            dcMem.PatBlt(0, 0, m_szBitmap.cx, m_szBitmap.cy, WHITENESS);
            // If white is the text color, we can't use the normal painting since
            // it would blend with the WHITENESS, but the mask is OK
            UINT uDrawStyle = (::GetSysColor(COLOR_BTNTEXT) == RGB(255, 255, 255)) ? ILD_MASK : ILD_NORMAL;
            ::ImageList_Draw(m_hImageList, nImage, dcMem, 0, 0, uDrawStyle);
            dc.DitherBlt(point.x, point.y, m_szBitmap.cx, m_szBitmap.cy, dcMem, NULL, 0, 0, hBrushBackground, hBrush3DEffect, hBrushDisabledImage);
            dcMem.SelectBitmap(hBmpOld);   // restore
        }
    }

    // old name
    BOOL Draw3DCheckmark(CDCHandle& dc, const RECT& rc, BOOL bSelected, BOOL bDisabled, BOOL bRadio, HBITMAP hBmpCheck)
    {
        return DrawCheckmark(dc, rc, bSelected, bDisabled, bRadio, hBmpCheck);
    }

    BOOL DrawCheckmark(CDCHandle& dc, const RECT& rc, BOOL bSelected, BOOL bDisabled, BOOL bRadio, HBITMAP hBmpCheck)
    {
        // get checkmark bitmap, if none, use Windows standard
        SIZE size = { 0, 0 };
        CBitmapHandle bmp = hBmpCheck;
        if(hBmpCheck != NULL)
        {
            bmp.GetSize(size);
        }
        else
        {
            size.cx = ::GetSystemMetrics(SM_CXMENUCHECK); 
            size.cy = ::GetSystemMetrics(SM_CYMENUCHECK); 
            bmp.CreateCompatibleBitmap(dc, size.cx, size.cy);
            ATLASSERT(bmp.m_hBitmap != NULL);
        }
        // center bitmap in caller's rectangle
        RECT rcDest = rc;
        if((rc.right - rc.left) > size.cx)
        {
            rcDest.left = rc.left + (rc.right - rc.left - size.cx) / 2;
            rcDest.right = rcDest.left + size.cx;
        }
        if((rc.bottom - rc.top) > size.cy)
        {
            rcDest.top = rc.top + (rc.bottom - rc.top - size.cy) / 2;
            rcDest.bottom = rcDest.top + size.cy;
        }
        // paint background
        if(!m_bFlatMenus)
        {
            if(bSelected && !bDisabled)
            {
                dc.FillRect(&rcDest, COLOR_MENU);
            }
            else
            {
                COLORREF clrTextOld = dc.SetTextColor(::GetSysColor(COLOR_BTNFACE));
                COLORREF clrBkOld = dc.SetBkColor(::GetSysColor(COLOR_BTNHILIGHT));
                CBrush hbr(CDCHandle::GetHalftoneBrush());
                dc.SetBrushOrg(rcDest.left, rcDest.top);
                dc.FillRect(&rcDest, hbr);
                dc.SetTextColor(clrTextOld);
                dc.SetBkColor(clrBkOld);
            }
        }

        // create source image
        CDC dcSource;
        dcSource.CreateCompatibleDC(dc);
        HBITMAP hBmpOld = dcSource.SelectBitmap(bmp);
        // set colors
        const COLORREF clrBlack = RGB(0, 0, 0);
        const COLORREF clrWhite = RGB(255, 255, 255);
        COLORREF clrTextOld = dc.SetTextColor(clrBlack);
        COLORREF clrBkOld = dc.SetBkColor(clrWhite);
        // create mask
        CDC dcMask;
        dcMask.CreateCompatibleDC(dc);
        CBitmap bmpMask;
        bmpMask.CreateBitmap(size.cx, size.cy, 1, 1, NULL);
        HBITMAP hBmpOld1 = dcMask.SelectBitmap(bmpMask);

        // draw the checkmark transparently
        int cx = rcDest.right - rcDest.left;
        int cy = rcDest.bottom - rcDest.top;
        if(hBmpCheck != NULL)
        {
            // build mask based on transparent color    
            dcSource.SetBkColor(m_clrMask);
            dcMask.SetBkColor(clrBlack);
            dcMask.SetTextColor(clrWhite);
            dcMask.BitBlt(0, 0, size.cx, size.cy, dcSource, 0, 0, SRCCOPY);
            // draw bitmap using the mask
            dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcSource, 0, 0, SRCINVERT);
            dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcMask, 0, 0, SRCAND);
            dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcSource, 0, 0, SRCINVERT);
        }
        else
        {
            const DWORD ROP_DSno = 0x00BB0226L;
            const DWORD ROP_DSa = 0x008800C6L;
            const DWORD ROP_DSo = 0x00EE0086L;
            const DWORD ROP_DSna = 0x00220326L;

            // draw mask
            RECT rcSource = { 0, 0, min(size.cx, rc.right - rc.left), min(size.cy, rc.bottom - rc.top) };
            dcMask.DrawFrameControl(&rcSource, DFC_MENU, bRadio ? DFCS_MENUBULLET : DFCS_MENUCHECK);

            // draw shadow if disabled
            if(!m_bFlatMenus && bDisabled)
            {
                // offset by one pixel
                int x = rcDest.left + 1;
                int y = rcDest.top + 1;
                // paint source bitmap
                const int nColor = COLOR_3DHILIGHT;
                dcSource.FillRect(&rcSource, nColor);
                // draw checkmark - special case black and white colors
                COLORREF clrCheck = ::GetSysColor(nColor);
                if(clrCheck == clrWhite)
                {
                    dc.BitBlt(x, y, cx, cy, dcMask,  0, 0,   ROP_DSno);
                    dc.BitBlt(x, y, cx, cy, dcSource, 0, 0, ROP_DSa);
                }
                else
                {
                    if(clrCheck != clrBlack)
                    {
                        ATLASSERT(dcSource.GetTextColor() == clrBlack);
                        ATLASSERT(dcSource.GetBkColor() == clrWhite);
                        dcSource.BitBlt(0, 0, size.cx, size.cy, dcMask, 0, 0, ROP_DSna);
                    }
                    dc.BitBlt(x, y, cx, cy, dcMask,  0,  0,  ROP_DSa);
                    dc.BitBlt(x, y, cx, cy, dcSource, 0, 0, ROP_DSo);
                }
            }

            // paint source bitmap
            const int nColor = bDisabled ? COLOR_BTNSHADOW : COLOR_MENUTEXT;
            dcSource.FillRect(&rcSource, nColor);
            // draw checkmark - special case black and white colors
            COLORREF clrCheck = ::GetSysColor(nColor);
            if(clrCheck == clrWhite)
            {
                dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcMask,  0, 0,   ROP_DSno);
                dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcSource, 0, 0, ROP_DSa);
            }
            else
            {
                if(clrCheck != clrBlack)
                {
                    ATLASSERT(dcSource.GetTextColor() == clrBlack);
                    ATLASSERT(dcSource.GetBkColor() == clrWhite);
                    dcSource.BitBlt(0, 0, size.cx, size.cy, dcMask, 0, 0, ROP_DSna);
                }
                dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcMask,  0,  0,  ROP_DSa);
                dc.BitBlt(rcDest.left, rcDest.top, cx, cy, dcSource, 0, 0, ROP_DSo);
            }
        }
        // restore all
        dc.SetTextColor(clrTextOld);
        dc.SetBkColor(clrBkOld);
        dcSource.SelectBitmap(hBmpOld);
        dcMask.SelectBitmap(hBmpOld1);
        if(hBmpCheck == NULL)
            bmp.DeleteObject();
        // draw pushed-in hilight
        if(!m_bFlatMenus && !bDisabled)
        {
            if(rc.right - rc.left > size.cx)
                ::InflateRect(&rcDest, 1,1);   // inflate checkmark by one pixel all around
            dc.DrawEdge(&rcDest, BDR_SUNKENOUTER, BF_RECT);
        }

        return TRUE;
    }

    void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
    {
        _MenuItemData* pmd = (_MenuItemData*)lpMeasureItemStruct->itemData;

        if(pmd->fType & MFT_SEPARATOR)   // separator - use half system height and zero width
        {
            lpMeasureItemStruct->itemHeight = ::GetSystemMetrics(SM_CYMENU) / 2;
            lpMeasureItemStruct->itemWidth  = 0;
        }
        else
        {
            // compute size of text - use DrawText with DT_CALCRECT
            CWindowDC dc(NULL);
            CFont fontBold;
            HFONT hOldFont = NULL;
            if(pmd->fState & MFS_DEFAULT)
            {
                // need bold version of font
                LOGFONT lf = { 0 };
                m_fontMenu.GetLogFont(lf);
                lf.lfWeight += 200;
                fontBold.CreateFontIndirect(&lf);
                ATLASSERT(fontBold.m_hFont != NULL);
                hOldFont = dc.SelectFont(fontBold);
            }
            else
            {
                hOldFont = dc.SelectFont(m_fontMenu);
            }

            RECT rcText = { 0, 0, 0, 0 };
            dc.DrawText(pmd->lpstrText, -1, &rcText, DT_SINGLELINE | DT_LEFT | DT_VCENTER | DT_CALCRECT);
            int cx = rcText.right - rcText.left;
            dc.SelectFont(hOldFont);

            LOGFONT lf = { 0 };
            m_fontMenu.GetLogFont(lf);
            int cy = lf.lfHeight;
            if(cy < 0)
                cy = -cy;
            const int cyMargin = 8;
            cy += cyMargin;

            // height of item is the bigger of these two
            lpMeasureItemStruct->itemHeight = max(cy, (int)m_szButton.cy);

            // width is width of text plus a bunch of stuff
            cx += 2 * s_kcxTextMargin;   // L/R margin for readability
            cx += s_kcxGap;              // space between button and menu text
            cx += 2 * m_szButton.cx;     // button width (L=button; R=empty margin)
            cx += m_cxExtraSpacing;      // extra between item text and accelerator keys

            // Windows adds 1 to returned value
            cx -= ::GetSystemMetrics(SM_CXMENUCHECK) - 1;
            lpMeasureItemStruct->itemWidth = cx;   // done deal
        }
    }

// Implementation - Hook procs
    static LRESULT CALLBACK CreateHookProc(int nCode, WPARAM wParam, LPARAM lParam)
    {
        const int cchClassName = 7;
        TCHAR szClassName[cchClassName] = { 0 };

        if(nCode == HCBT_CREATEWND)
        {
            HWND hWndMenu = (HWND)wParam;
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("CmdBar - HCBT_CREATEWND (HWND = %8.8X)\n"), hWndMenu);
#endif

            ::GetClassName(hWndMenu, szClassName, cchClassName);
            if(!lstrcmp(_T("#32768"), szClassName))
                s_pCurrentBar->m_stackMenuWnd.Push(hWndMenu);
        }
        else if(nCode == HCBT_DESTROYWND)
        {
            HWND hWndMenu = (HWND)wParam;
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("CmdBar - HCBT_DESTROYWND (HWND = %8.8X)\n"), hWndMenu);
#endif

            ::GetClassName(hWndMenu, szClassName, cchClassName);
            if(!lstrcmp(_T("#32768"), szClassName))
            {
                ATLASSERT(hWndMenu == s_pCurrentBar->m_stackMenuWnd.GetCurrent());
                s_pCurrentBar->m_stackMenuWnd.Pop();
            }
        }

        return ::CallNextHookEx(s_hCreateHook, nCode, wParam, lParam);
    }

    static LRESULT CALLBACK MessageHookProc(int nCode, WPARAM wParam, LPARAM lParam)
    {
        LPMSG pMsg = (LPMSG)lParam;

        if(nCode == HC_ACTION && wParam == PM_REMOVE && pMsg->message != GetGetBarMessage() && pMsg->message != WM_FORWARDMSG)
        {
            CCommandBarCtrlBase* pCmdBar = NULL;
            HWND hWnd = pMsg->hwnd;
            DWORD dwPID = 0;
            while(pCmdBar == NULL && hWnd != NULL)
            {
                pCmdBar = (CCommandBarCtrlBase*)::SendMessage(hWnd, GetGetBarMessage(), (WPARAM)&dwPID, 0L);
                hWnd = ::GetParent(hWnd);
            }

            if(pCmdBar != NULL && dwPID == GetCurrentProcessId())
            {
                pCmdBar->m_hWndHook = pMsg->hwnd;
                ATLASSERT(pCmdBar->IsCommandBarBase());

                if(::IsWindow(pCmdBar->m_hWnd))
                    pCmdBar->SendMessage(WM_FORWARDMSG, 0, (LPARAM)pMsg);
                else
                    ATLTRACE2(atlTraceUI, 0, _T("CmdBar - Hook skipping message, can't find command bar!\n"));
            }
        }

        LRESULT lRet = 0;
        ATLASSERT(s_pmapMsgHook != NULL);
        if(s_pmapMsgHook != NULL)
        {
            DWORD dwThreadID = ::GetCurrentThreadId();
            _MsgHookData* pData = s_pmapMsgHook->Lookup(dwThreadID);
            if(pData != NULL)
            {
                lRet = ::CallNextHookEx(pData->hMsgHook, nCode, wParam, lParam);
            }
        }
        return lRet;
    }

// Implementation
    void DoPopupMenu(int nIndex, bool bAnimate)
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - DoPopupMenu, bAnimate = %s\n"), bAnimate ? "true" : "false");
#endif

        // Menu animation flags
#ifndef TPM_VERPOSANIMATION
        const UINT TPM_VERPOSANIMATION = 0x1000L;
#endif
#ifndef TPM_NOANIMATION
        const UINT TPM_NOANIMATION = 0x4000L;
#endif
        T* pT = static_cast<T*>(this);

        // get popup menu and it's position
        RECT rect = { 0 };
        GetItemRect(nIndex, &rect);
        POINT pt = { rect.left, rect.bottom };
        MapWindowPoints(NULL, &pt, 1);
        MapWindowPoints(NULL, &rect);
        TPMPARAMS TPMParams = { 0 };
        TPMParams.cbSize = sizeof(TPMPARAMS);
        TPMParams.rcExclude = rect;
        HMENU hMenuPopup = ::GetSubMenu(m_hMenu, nIndex);
        ATLASSERT(hMenuPopup != NULL);

        // get button ID
        TBBUTTON tbb = { 0 };
        GetButton(nIndex, &tbb);
        int nCmdID = tbb.idCommand;

        m_nPopBtn = nIndex;   // remember current button's index

        // press button and display popup menu
        PressButton(nCmdID, TRUE);
        SetHotItem(nCmdID);
        pT->DoTrackPopupMenu(hMenuPopup, TPM_LEFTBUTTON | TPM_VERTICAL | TPM_LEFTALIGN | TPM_TOPALIGN |
            (s_bW2K ? (bAnimate ? TPM_VERPOSANIMATION : TPM_NOANIMATION) : 0), pt.x, pt.y, &TPMParams);
        PressButton(nCmdID, FALSE);
        if(::GetFocus() != m_hWnd)
            SetHotItem(-1);

        m_nPopBtn = -1;   // restore

        // eat next message if click is on the same button
        MSG msg = { 0 };
        if(::PeekMessage(&msg, m_hWnd, WM_LBUTTONDOWN, WM_LBUTTONDOWN, PM_NOREMOVE) && ::PtInRect(&rect, msg.pt))
            ::PeekMessage(&msg, m_hWnd, WM_LBUTTONDOWN, WM_LBUTTONDOWN, PM_REMOVE);

        // check if another popup menu should be displayed
        if(m_nNextPopBtn != -1)
        {
            PostMessage(GetAutoPopupMessage(), m_nNextPopBtn & 0xFFFF);
            if(!(m_nNextPopBtn & 0xFFFF0000) && !m_bPopupItem)
                PostMessage(WM_KEYDOWN, VK_DOWN, 0);
            m_nNextPopBtn = -1;
        }
        else
        {
            m_bContextMenu = false;
            // If user didn't hit escape, give focus back
            if(!m_bEscapePressed)
            {
                if(m_bUseKeyboardCues && m_bShowKeyboardCues)
                    m_bAllowKeyboardCues = false;
                pT->GiveFocusBack();
            }
            else
            {
                SetHotItem(nCmdID);
                SetAnchorHighlight(TRUE);
            }
        }
    }

    BOOL DoTrackPopupMenu(HMENU hMenu, UINT uFlags, int x, int y, LPTPMPARAMS lpParams = NULL)
    {
        CMenuHandle menuPopup = hMenu;

        CWindowCreateCriticalSectionLock lock;
        if(FAILED(lock.Lock()))
        {
            ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlImpl::DoTrackPopupMenu.\n"));
            ATLASSERT(FALSE);
            return FALSE;
        }

        ATLASSERT(s_hCreateHook == NULL);

        s_pCurrentBar = static_cast<CCommandBarCtrlBase*>(this);

        s_hCreateHook = ::SetWindowsHookEx(WH_CBT, CreateHookProc, ModuleHelper::GetModuleInstance(), GetCurrentThreadId());
        ATLASSERT(s_hCreateHook != NULL);

        m_bPopupItem = false;
        m_bMenuActive = true;

        BOOL bTrackRet = menuPopup.TrackPopupMenuEx(uFlags, x, y, m_hWnd, lpParams);
        m_bMenuActive = false;

        ::UnhookWindowsHookEx(s_hCreateHook);

        s_hCreateHook = NULL;
        s_pCurrentBar = NULL;

        lock.Unlock();

        // cleanup - convert menus back to original state
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - TrackPopupMenu - cleanup\n"));
#endif

        ATLASSERT(m_stackMenuWnd.GetSize() == 0);

        UpdateWindow();
        ATL::CWindow wndTL = GetTopLevelParent();
        wndTL.UpdateWindow();

        // restore the menu items to the previous state for all menus that were converted
        if(m_bImagesVisible)
        {
            HMENU hMenuSav = NULL;
            while((hMenuSav = m_stackMenuHandle.Pop()) != NULL)
            {
                menuPopup = hMenuSav;
                BOOL bRet = FALSE;
                // restore state and delete menu item data
                for(int i = 0; i < menuPopup.GetMenuItemCount(); i++)
                {
                    CMenuItemInfo mii;
                    mii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_ID;
                    bRet = menuPopup.GetMenuItemInfo(i, TRUE, &mii);
                    ATLASSERT(bRet);

                    _MenuItemData* pMI = (_MenuItemData*)mii.dwItemData;
                    if(pMI != NULL && pMI->IsCmdBarMenuItem())
                    {
                        mii.fMask = MIIM_DATA | MIIM_TYPE | MIIM_STATE;
                        mii.fType = pMI->fType;
                        mii.fState = pMI->fState;
                        mii.dwTypeData = pMI->lpstrText;
                        mii.cch = lstrlen(pMI->lpstrText);
                        mii.dwItemData = NULL;

                        bRet = menuPopup.SetMenuItemInfo(i, TRUE, &mii);
                        // this one triggers WM_MEASUREITEM
                        menuPopup.ModifyMenu(i, MF_BYPOSITION | mii.fType | mii.fState, mii.wID, pMI->lpstrText);
                        ATLASSERT(bRet);

                        delete [] pMI->lpstrText;
                        delete pMI;
                    }
                }
            }
        }
        return bTrackRet;
    }

    int GetPreviousMenuItem(int nBtn) const
    {
        if(nBtn == -1)
            return -1;
#if (_WIN32_IE >= 0x0500)
        RECT rcClient;
        GetClientRect(&rcClient);
#endif // (_WIN32_IE >= 0x0500)
        int nNextBtn;
        for(nNextBtn = nBtn - 1; nNextBtn != nBtn; nNextBtn--)
        {
            if(nNextBtn < 0)
                nNextBtn = ::GetMenuItemCount(m_hMenu) - 1;
            TBBUTTON tbb = { 0 };
            GetButton(nNextBtn, &tbb);
#if (_WIN32_IE >= 0x0500)
            RECT rcBtn;
            GetItemRect(nNextBtn, &rcBtn);
            if(rcBtn.right > rcClient.right)
            {
                nNextBtn = -2;   // chevron
                break;
            }
#endif // (_WIN32_IE >= 0x0500)
            if((tbb.fsState & TBSTATE_ENABLED) != 0 && (tbb.fsState & TBSTATE_HIDDEN) == 0)
                break;
        }
        return (nNextBtn != nBtn) ? nNextBtn : -1;
    }

    int GetNextMenuItem(int nBtn) const
    {
        if(nBtn == -1)
            return -1;
#if (_WIN32_IE >= 0x0500)
        RECT rcClient = { 0 };
        GetClientRect(&rcClient);
#endif // (_WIN32_IE >= 0x0500)
        int nNextBtn = 0;
        int nCount = ::GetMenuItemCount(m_hMenu);
        for(nNextBtn = nBtn + 1; nNextBtn != nBtn; nNextBtn++)
        {
            if(nNextBtn >= nCount)
                nNextBtn = 0;
            TBBUTTON tbb = { 0 };
            GetButton(nNextBtn, &tbb);
#if (_WIN32_IE >= 0x0500)
            RECT rcBtn = { 0 };
            GetItemRect(nNextBtn, &rcBtn);
            if(rcBtn.right > rcClient.right)
            {
                nNextBtn = -2;   // chevron
                break;
            }
#endif // (_WIN32_IE >= 0x0500)
            if((tbb.fsState & TBSTATE_ENABLED) != 0 && (tbb.fsState & TBSTATE_HIDDEN) == 0)
                break;
        }
        return (nNextBtn != nBtn) ? nNextBtn : -1;
    }

#if (_WIN32_IE >= 0x0500)
    bool DisplayChevronMenu()
    {
        // assume we are in a rebar
        HWND hWndReBar = GetParent();
        int nCount = (int)::SendMessage(hWndReBar, RB_GETBANDCOUNT, 0, 0L);
        bool bRet = false;
        for(int i = 0; i < nCount; i++)
        {
            REBARBANDINFO rbbi = { RunTimeHelper::SizeOf_REBARBANDINFO(), RBBIM_CHILD | RBBIM_STYLE };
            BOOL bRetBandInfo = (BOOL)::SendMessage(hWndReBar, RB_GETBANDINFO, i, (LPARAM)&rbbi);
            if(bRetBandInfo && rbbi.hwndChild == m_hWnd)
            {
                if((rbbi.fStyle & RBBS_USECHEVRON) != 0)
                {
                    ::PostMessage(hWndReBar, RB_PUSHCHEVRON, i, 0L);
                    PostMessage(WM_KEYDOWN, VK_DOWN, 0L);
                    bRet = true;
                }
                break;
            }
        }
        return bRet;
    }
#endif // (_WIN32_IE >= 0x0500)

    void GetSystemSettings()
    {
        // refresh our font
        NONCLIENTMETRICS info = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() };
        BOOL bRet = ::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(info), &info, 0);
        ATLASSERT(bRet);
        if(bRet)
        {
            LOGFONT logfont = { 0 };
            if(m_fontMenu.m_hFont != NULL)
                m_fontMenu.GetLogFont(logfont);
            if(logfont.lfHeight != info.lfMenuFont.lfHeight ||
               logfont.lfWidth != info.lfMenuFont.lfWidth ||
               logfont.lfEscapement != info.lfMenuFont.lfEscapement ||
               logfont.lfOrientation != info.lfMenuFont.lfOrientation ||
               logfont.lfWeight != info.lfMenuFont.lfWeight ||
               logfont.lfItalic != info.lfMenuFont.lfItalic ||
               logfont.lfUnderline != info.lfMenuFont.lfUnderline ||
               logfont.lfStrikeOut != info.lfMenuFont.lfStrikeOut ||
               logfont.lfCharSet != info.lfMenuFont.lfCharSet ||
               logfont.lfOutPrecision != info.lfMenuFont.lfOutPrecision ||
               logfont.lfClipPrecision != info.lfMenuFont.lfClipPrecision ||
               logfont.lfQuality != info.lfMenuFont.lfQuality ||
               logfont.lfPitchAndFamily != info.lfMenuFont.lfPitchAndFamily ||
               lstrcmp(logfont.lfFaceName, info.lfMenuFont.lfFaceName) != 0)
            {
                HFONT hFontMenu = ::CreateFontIndirect(&info.lfMenuFont);
                ATLASSERT(hFontMenu != NULL);
                if(hFontMenu != NULL)
                {
                    if(m_fontMenu.m_hFont != NULL)
                        m_fontMenu.DeleteObject();
                    m_fontMenu.Attach(hFontMenu);
                    SetFont(m_fontMenu);
                    AddStrings(_T("NS\0"));   // for proper item height
                    AutoSize();
                }
            }
        }

        // check if we need extra spacing for menu item text
        CWindowDC dc(m_hWnd);
        HFONT hFontOld = dc.SelectFont(m_fontMenu);
        RECT rcText = { 0, 0, 0, 0 };
        dc.DrawText(_T("\t"), -1, &rcText, DT_SINGLELINE | DT_LEFT | DT_VCENTER | DT_CALCRECT);
        if((rcText.right - rcText.left) < 4)
        {
            ::SetRectEmpty(&rcText);
            dc.DrawText(_T("x"), -1, &rcText, DT_SINGLELINE | DT_LEFT | DT_VCENTER | DT_CALCRECT);
            m_cxExtraSpacing = rcText.right - rcText.left;
        }
        else
        {
            m_cxExtraSpacing = 0;
        }
        dc.SelectFont(hFontOld);

        // get Windows version
        OSVERSIONINFO ovi = { sizeof(OSVERSIONINFO) };
        ::GetVersionEx(&ovi);

        // query keyboard cues mode (Windows 2000 or later)
        if(ovi.dwMajorVersion >= 5)
        {
#ifndef SPI_GETKEYBOARDCUES
            const UINT SPI_GETKEYBOARDCUES = 0x100A;
#endif // !SPI_GETKEYBOARDCUES
            BOOL bRetVal = TRUE;
            bRet = ::SystemParametersInfo(SPI_GETKEYBOARDCUES, 0, &bRetVal, 0);
            m_bUseKeyboardCues = (bRet && !bRetVal);
            m_bAllowKeyboardCues = true;
            ShowKeyboardCues(!m_bUseKeyboardCues);
        }

        // query flat menu mode (Windows XP or later)
        if((ovi.dwMajorVersion == 5 && ovi.dwMinorVersion >= 1) || (ovi.dwMajorVersion > 5))
        {
#ifndef SPI_GETFLATMENU
            const UINT SPI_GETFLATMENU = 0x1022;
#endif // !SPI_GETFLATMENU
            BOOL bRetVal = FALSE;
            bRet = ::SystemParametersInfo(SPI_GETFLATMENU, 0, &bRetVal, 0);
            m_bFlatMenus = (bRet && bRetVal);
        }

#if _WTL_CMDBAR_VISTA_MENUS
        // check if we should use Vista menus
        bool bVistaMenus = (RunTimeHelper::IsVista() && RunTimeHelper::IsCommCtrl6() && ((m_dwExtendedStyle & CBR_EX_NOVISTAMENUS) == 0));

        if(bVistaMenus)
        {
            HMODULE hThemeDLL = ::LoadLibrary(_T("uxtheme.dll"));
            if(hThemeDLL != NULL)
            {
                typedef BOOL (STDAPICALLTYPE *PFN_IsThemeActive)();
                PFN_IsThemeActive pfnIsThemeActive = (PFN_IsThemeActive)::GetProcAddress(hThemeDLL, "IsThemeActive");
                ATLASSERT(pfnIsThemeActive != NULL);
                bVistaMenus = bVistaMenus && (pfnIsThemeActive != NULL) && (pfnIsThemeActive() != FALSE);

                typedef BOOL (STDAPICALLTYPE *PFN_IsAppThemed)();
                PFN_IsAppThemed pfnIsAppThemed = (PFN_IsAppThemed)::GetProcAddress(hThemeDLL, "IsAppThemed");
                ATLASSERT(pfnIsAppThemed != NULL);
                bVistaMenus = bVistaMenus && (pfnIsAppThemed != NULL) && (pfnIsAppThemed() != FALSE);

                ::FreeLibrary(hThemeDLL);
            }
        }

        if(!bVistaMenus && m_bVistaMenus && (m_hMenu != NULL) && (m_arrCommand.GetSize() > 0))
        {
            T* pT = static_cast<T*>(this);
            pT->_RemoveVistaBitmapsFromMenu();
        }

        m_bVistaMenus = bVistaMenus;
#endif // _WTL_CMDBAR_VISTA_MENUS

#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("CmdBar - GetSystemSettings:\n     m_bFlatMenus = %s\n     m_bUseKeyboardCues = %s     m_bVistaMenus = %s\n"),
            m_bFlatMenus ? "true" : "false", m_bUseKeyboardCues ? "true" : "false", m_bVistaMenus ? "true" : "false");
#endif
    }

// Implementation - alternate focus mode support
    void TakeFocus()
    {
        if((m_dwExtendedStyle & CBR_EX_ALTFOCUSMODE) && m_hWndFocus == NULL)
            m_hWndFocus = ::GetFocus();
        SetFocus();
    }

    void GiveFocusBack()
    {
        if(m_bParentActive)
        {
            if((m_dwExtendedStyle & CBR_EX_ALTFOCUSMODE) && ::IsWindow(m_hWndFocus))
                ::SetFocus(m_hWndFocus);
            else if(!(m_dwExtendedStyle & CBR_EX_ALTFOCUSMODE) && m_wndParent.IsWindow())
                m_wndParent.SetFocus();
        }
        m_hWndFocus = NULL;
        SetAnchorHighlight(FALSE);
        if(m_bUseKeyboardCues && m_bShowKeyboardCues)
            ShowKeyboardCues(false);
        m_bSkipPostDown = false;
    }

    void ShowKeyboardCues(bool bShow)
    {
        m_bShowKeyboardCues = bShow;
        SetDrawTextFlags(DT_HIDEPREFIX, m_bShowKeyboardCues ? 0 : DT_HIDEPREFIX);
        Invalidate();
        UpdateWindow();
    }

// Implementation - internal message helpers
    static UINT GetAutoPopupMessage()
    {
        static UINT uAutoPopupMessage = 0;
        if(uAutoPopupMessage == 0)
        {
            CStaticDataInitCriticalSectionLock lock;
            if(FAILED(lock.Lock()))
            {
                ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlImpl::GetAutoPopupMessage.\n"));
                ATLASSERT(FALSE);
                return 0;
            }

            if(uAutoPopupMessage == 0)
                uAutoPopupMessage = ::RegisterWindowMessage(_T("WTL_CmdBar_InternalAutoPopupMsg"));

            lock.Unlock();
        }
        ATLASSERT(uAutoPopupMessage != 0);
        return uAutoPopupMessage;
    }

    static UINT GetGetBarMessage()
    {
        static UINT uGetBarMessage = 0;
        if(uGetBarMessage == 0)
        {
            CStaticDataInitCriticalSectionLock lock;
            if(FAILED(lock.Lock()))
            {
                ATLTRACE2(atlTraceUI, 0, _T("ERROR : Unable to lock critical section in CCommandBarCtrlImpl::GetGetBarMessage.\n"));
                ATLASSERT(FALSE);
                return 0;
            }

            if(uGetBarMessage == 0)
                uGetBarMessage = ::RegisterWindowMessage(_T("WTL_CmdBar_InternalGetBarMsg"));

            lock.Unlock();
        }
        ATLASSERT(uGetBarMessage != 0);
        return uGetBarMessage;
    }

// Implementation
    bool CreateInternalImageList(int cImages)
    {
        UINT uFlags = (m_bAlphaImages ? ILC_COLOR32 : ILC_COLOR24) | ILC_MASK;
        m_hImageList = ::ImageList_Create(m_szBitmap.cx, m_szBitmap.cy, uFlags, cImages, 1);
        ATLASSERT(m_hImageList != NULL);
        return (m_hImageList != NULL);
    }

// Implementation - support for Vista menus
#if _WTL_CMDBAR_VISTA_MENUS
    void _AddVistaBitmapsFromImageList(int nStartIndex, int nCount)
    {
        // Create display compatible memory DC
        CClientDC dc(NULL);
        CDC dcMem;
        dcMem.CreateCompatibleDC(dc);
        HBITMAP hBitmapSave = dcMem.GetCurrentBitmap();

        T* pT = static_cast<T*>(this);
        // Create bitmaps for all menu items
        for(int i = 0; i < nCount; i++)
        {
            HBITMAP hBitmap = pT->_CreateVistaBitmapHelper(nStartIndex + i, dc, dcMem);
            dcMem.SelectBitmap(hBitmapSave);
            m_arrVistaBitmap.Add(hBitmap);
        }
    }

    void _AddVistaBitmapFromImageList(int nIndex)
    {
        // Create display compatible memory DC
        CClientDC dc(NULL);
        CDC dcMem;
        dcMem.CreateCompatibleDC(dc);
        HBITMAP hBitmapSave = dcMem.GetCurrentBitmap();

        // Create bitmap for menu item
        T* pT = static_cast<T*>(this);
        HBITMAP hBitmap = pT->_CreateVistaBitmapHelper(nIndex, dc, dcMem);

        // Select saved bitmap back and add bitmap to the array
        dcMem.SelectBitmap(hBitmapSave);
        m_arrVistaBitmap.Add(hBitmap);
    }

    void _ReplaceVistaBitmapFromImageList(int nIndex)
    {
        // Delete existing bitmap
        if(m_arrVistaBitmap[nIndex] != NULL)
            ::DeleteObject(m_arrVistaBitmap[nIndex]);

        // Create display compatible memory DC
        CClientDC dc(NULL);
        CDC dcMem;
        dcMem.CreateCompatibleDC(dc);
        HBITMAP hBitmapSave = dcMem.GetCurrentBitmap();

        // Create bitmap for menu item
        T* pT = static_cast<T*>(this);
        HBITMAP hBitmap = pT->_CreateVistaBitmapHelper(nIndex, dc, dcMem);

        // Select saved bitmap back and replace bitmap in the array
        dcMem.SelectBitmap(hBitmapSave);
        m_arrVistaBitmap.SetAtIndex(nIndex, hBitmap);
    }

    HBITMAP _CreateVistaBitmapHelper(int nIndex, HDC hDCSource, HDC hDCTarget)
    {
        // Create 32-bit bitmap
        BITMAPINFO bi = { 0 };
        bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
        bi.bmiHeader.biWidth = m_szBitmap.cx;
        bi.bmiHeader.biHeight = m_szBitmap.cy;
        bi.bmiHeader.biPlanes = 1;
        bi.bmiHeader.biBitCount = 32;
        bi.bmiHeader.biCompression = BI_RGB;
        bi.bmiHeader.biSizeImage = 0;
        bi.bmiHeader.biXPelsPerMeter = 0;
        bi.bmiHeader.biYPelsPerMeter = 0;
        bi.bmiHeader.biClrUsed = 0;
        bi.bmiHeader.biClrImportant = 0;
        HBITMAP hBitmap = ::CreateDIBSection(hDCSource, &bi, DIB_RGB_COLORS, NULL, NULL, 0);
        ATLASSERT(hBitmap != NULL);

        // Select bitmap into target DC and draw from image list to it
        if(hBitmap != NULL)
        {
            ::SelectObject(hDCTarget, hBitmap);

            IMAGELISTDRAWPARAMS ildp = { 0 };
            ildp.cbSize = sizeof(IMAGELISTDRAWPARAMS);
            ildp.himl = m_hImageList;
            ildp.i = nIndex;
            ildp.hdcDst = hDCTarget;
            ildp.x = 0;
            ildp.y = 0;
            ildp.cx = 0;
            ildp.cy = 0;
            ildp.xBitmap = 0;
            ildp.yBitmap = 0;
            ildp.fStyle = ILD_TRANSPARENT;
            ildp.fState = ILS_ALPHA;
            ildp.Frame = 255;
            ::ImageList_DrawIndirect(&ildp);
        }

        return hBitmap;
    }

    void _RemoveVistaBitmapsFromMenu()
    {
        CMenuHandle menu = m_hMenu;
        for(int i = 0; i < m_arrCommand.GetSize(); i++)
        {
            CMenuItemInfo mii;
            mii.fMask = MIIM_BITMAP;
            mii.hbmpItem = NULL;
            menu.SetMenuItemInfo(m_arrCommand[i], FALSE, &mii);
        }
    }
#endif // _WTL_CMDBAR_VISTA_MENUS
};


class CCommandBarCtrl : public CCommandBarCtrlImpl<CCommandBarCtrl>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_CommandBar"), GetWndClassName())
};


// CMDICommandBarCtrl - ATL implementation of Command Bars for MDI apps

template <class T, class TBase = CCommandBarCtrlBase, class TWinTraits = ATL::CControlWinTraits>
class ATL_NO_VTABLE CMDICommandBarCtrlImpl : public CCommandBarCtrlImpl< T, TBase, TWinTraits>
{
public:
// Data members
    ATL::CContainedWindow m_wndMDIClient;
    bool m_bChildMaximized;
    HWND m_hWndChildMaximized;
    HICON m_hIconChildMaximized;
    int m_nBtnPressed;
    int m_nBtnWasPressed;

    int m_cxyOffset;      // offset between nonclient elements
    int m_cxIconWidth;    // small icon width
    int m_cyIconHeight;   // small icon height
    int m_cxBtnWidth;     // nonclient button width
    int m_cyBtnHeight;    // nonclient button height
    int m_cxLeft;         // left nonclient area width
    int m_cxRight;        // right nonclient area width

// Theme declarations and data members
#ifndef _WTL_NO_AUTO_THEME
#ifndef _UXTHEME_H_
    typedef HANDLE HTHEME;
#endif // !_UXTHEME_H_
    typedef HTHEME (STDAPICALLTYPE *PFN_OpenThemeData)(HWND hwnd, LPCWSTR pszClassList);
    typedef HRESULT (STDAPICALLTYPE *PFN_CloseThemeData)(HTHEME hTheme);
    typedef HRESULT (STDAPICALLTYPE *PFN_DrawThemeBackground)(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect);
    typedef HRESULT (STDAPICALLTYPE *PFN_DrawThemeParentBackground)(HWND hwnd, HDC hdc, OPTIONAL RECT* prc);

    HMODULE m_hThemeDLL;
    HTHEME m_hTheme;
    PFN_DrawThemeBackground m_pfnDrawThemeBackground;
    PFN_DrawThemeParentBackground m_pfnDrawThemeParentBackground;
#endif // !_WTL_NO_AUTO_THEME

// Constructor/destructor
    CMDICommandBarCtrlImpl() : 
            m_wndMDIClient(this, 2), m_bChildMaximized(false), 
            m_hWndChildMaximized(NULL), m_hIconChildMaximized(NULL), 
            m_nBtnPressed(-1), m_nBtnWasPressed(-1),
#ifndef _WTL_NO_AUTO_THEME
            m_hThemeDLL(NULL), m_hTheme(NULL), m_pfnDrawThemeBackground(NULL), m_pfnDrawThemeParentBackground(NULL), 
#endif // !_WTL_NO_AUTO_THEME
            m_cxyOffset(2),
            m_cxIconWidth(16), m_cyIconHeight(16),
            m_cxBtnWidth(16), m_cyBtnHeight(14),
            m_cxLeft(20), m_cxRight(55)
    { }

    ~CMDICommandBarCtrlImpl()
    {
        if(m_wndMDIClient.IsWindow())
/*scary!*/          m_wndMDIClient.UnsubclassWindow();
    }

// Operations
    BOOL SetMDIClient(HWND hWndMDIClient)
    {
        ATLASSERT(::IsWindow(m_hWnd));
        ATLASSERT(::IsWindow(hWndMDIClient));
        if(!::IsWindow(hWndMDIClient))
            return FALSE;

#ifdef _DEBUG
        // BLOCK: Test if the passed window is MDICLIENT
        {
            LPCTSTR lpszMDIClientClass = _T("MDICLIENT");
            const int nNameLen = 9 + 1;   // "MDICLIENT" + NULL
            TCHAR szClassName[nNameLen] = { 0 };
            ::GetClassName(hWndMDIClient, szClassName, nNameLen);
            ATLASSERT(lstrcmpi(szClassName, lpszMDIClientClass) == 0);
        }
#endif // _DEBUG

        if(m_wndMDIClient.IsWindow())
/*scary!*/      m_wndMDIClient.UnsubclassWindow();

        return m_wndMDIClient.SubclassWindow(hWndMDIClient);
    }

// Message maps
    typedef CCommandBarCtrlImpl< T, TBase, TWinTraits >   _baseClass;
    BEGIN_MSG_MAP(CMDICommandBarCtrlImpl)
        MESSAGE_HANDLER(WM_CREATE, OnCreate)
        MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
#ifndef _WTL_NO_AUTO_THEME
        MESSAGE_HANDLER(_GetThemeChangedMsg(), OnThemeChanged)
#endif // !_WTL_NO_AUTO_THEME
        MESSAGE_HANDLER(WM_SIZE, OnSize)
        MESSAGE_HANDLER(WM_NCCALCSIZE, OnNcCalcSize)
        MESSAGE_HANDLER(WM_NCPAINT, OnNcPaint)
        MESSAGE_HANDLER(WM_NCHITTEST, OnNcHitTest)
        MESSAGE_HANDLER(WM_NCLBUTTONDOWN, OnNcLButtonDown)
        MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
        MESSAGE_HANDLER(WM_LBUTTONUP, OnLButtonUp)
        MESSAGE_HANDLER(WM_NCLBUTTONDBLCLK, OnNcLButtonDblClk)
        MESSAGE_HANDLER(WM_CAPTURECHANGED, OnCaptureChanged)
        CHAIN_MSG_MAP(_baseClass)
    ALT_MSG_MAP(1)   // Parent window messages
        MESSAGE_HANDLER(WM_ACTIVATE, OnParentActivate)
        CHAIN_MSG_MAP_ALT(_baseClass, 1)
    ALT_MSG_MAP(2)   // MDI client window messages
        MESSAGE_HANDLER(WM_MDISETMENU, OnMDISetMenu)
        // no chaining needed since this was moved from the base class here
    ALT_MSG_MAP(3)   // Message hook messages
        MESSAGE_RANGE_HANDLER(0, 0xFFFF, OnAllHookMessages)
        CHAIN_MSG_MAP_ALT(_baseClass, 3)
    END_MSG_MAP()

// Additional MDI message handlers
    LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        LRESULT lRet = _baseClass::OnCreate(uMsg, wParam, lParam, bHandled);
        if(lRet == (LRESULT)-1)
            return lRet;

#ifndef _WTL_NO_AUTO_THEME
        // this will fail if theming is not supported
        m_hThemeDLL = ::LoadLibrary(_T("uxtheme.dll"));
        if(m_hThemeDLL != NULL)
        {
            m_pfnDrawThemeBackground = (PFN_DrawThemeBackground)::GetProcAddress(m_hThemeDLL, "DrawThemeBackground");
            ATLASSERT(m_pfnDrawThemeBackground != NULL);
            if(m_pfnDrawThemeBackground != NULL)
            {
                T* pT = static_cast<T*>(this);
                pT->_OpenThemeData();
            }
            else
            {
                ::FreeLibrary(m_hThemeDLL);
                m_hThemeDLL = NULL;
            }
            m_pfnDrawThemeParentBackground = (PFN_DrawThemeParentBackground)::GetProcAddress(m_hThemeDLL, "DrawThemeParentBackground");
            ATLASSERT(m_pfnDrawThemeParentBackground != NULL);
        }
#endif // !_WTL_NO_AUTO_THEME

        return lRet;
    }

    LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        LRESULT lRet = _baseClass::OnDestroy(uMsg, wParam, lParam, bHandled);

#ifndef _WTL_NO_AUTO_THEME
        if(m_hThemeDLL != NULL)
        {
            T* pT = static_cast<T*>(this);
            pT->_CloseThemeData();
            ::FreeLibrary(m_hThemeDLL);
            m_hThemeDLL = NULL;
        }
#endif // !_WTL_NO_AUTO_THEME

        return lRet;
    }

#ifndef _WTL_NO_AUTO_THEME
    LRESULT OnThemeChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
    {
        if(m_hThemeDLL != NULL)
        {
            T* pT = static_cast<T*>(this);
            pT->_CloseThemeData();
            pT->_OpenThemeData();
        }
        return 0;
    }
#endif // !_WTL_NO_AUTO_THEME

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

    LRESULT OnNcCalcSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);

        if(m_bChildMaximized && (BOOL)wParam)
        {
            LPNCCALCSIZE_PARAMS lpParams = (LPNCCALCSIZE_PARAMS)lParam;
            if(m_bLayoutRTL)
            {
                lpParams->rgrc[0].left += m_cxRight;
                lpParams->rgrc[0].right -= m_cxLeft;
            }
            else
            {
                lpParams->rgrc[0].left += m_cxLeft;
                lpParams->rgrc[0].right -= m_cxRight;
            }
        }

        return lRet;
    }

    LRESULT OnNcPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);

        if(!m_bChildMaximized)
            return lRet;

        ATLASSERT(m_hWndChildMaximized != NULL && m_hIconChildMaximized != NULL);

        // get DC and window rectangle
        CWindowDC dc(m_hWnd);
        RECT rect;
        GetWindowRect(&rect);
        int cxWidth = rect.right - rect.left;
        int cyHeight = rect.bottom - rect.top;

        // paint left side nonclient background and draw icon
        ::SetRect(&rect, 0, 0, m_cxLeft, cyHeight);
#ifndef _WTL_NO_AUTO_THEME
        if(m_hTheme != NULL)
        {
            if(m_pfnDrawThemeParentBackground != NULL)
                m_pfnDrawThemeParentBackground(m_hWnd, dc, &rect);
            else
                dc.FillRect(&rect, COLOR_WINDOW);
        }
        else
#endif // !_WTL_NO_AUTO_THEME
        {
            if((m_dwExtendedStyle & CBR_EX_TRANSPARENT) != 0)
                dc.FillRect(&rect, COLOR_3DFACE);
            else
                dc.FillRect(&rect, COLOR_MENU);
        }

        RECT rcIcon = { 0 };
        T* pT = static_cast<T*>(this);
        pT->_CalcIconRect(cxWidth, cyHeight, rcIcon);
        dc.DrawIconEx(rcIcon.left, rcIcon.top, m_hIconChildMaximized, m_cxIconWidth, m_cyIconHeight);

        // paint right side nonclient background
        ::SetRect(&rect, cxWidth - m_cxRight, 0, cxWidth, cyHeight);
#ifndef _WTL_NO_AUTO_THEME
        if(m_hTheme != NULL)
        {
            if(m_pfnDrawThemeParentBackground != NULL)
            {
                // this is to account for the left non-client area
                POINT ptOrg = { 0, 0 };
                dc.GetViewportOrg(&ptOrg);
                dc.SetViewportOrg(ptOrg.x + m_cxLeft, ptOrg.y);
                ::OffsetRect(&rect, -m_cxLeft, 0);

                m_pfnDrawThemeParentBackground(m_hWnd, dc, &rect);

                // restore
                dc.SetViewportOrg(ptOrg);
                ::OffsetRect(&rect, m_cxLeft, 0);
            }
            else
            {
                dc.FillRect(&rect, COLOR_3DFACE);
            }
        }
        else
#endif // !_WTL_NO_AUTO_THEME
        {
            if((m_dwExtendedStyle & CBR_EX_TRANSPARENT) != 0)
                dc.FillRect(&rect, COLOR_3DFACE);
            else
                dc.FillRect(&rect, COLOR_MENU);
        }

        // draw buttons
        RECT arrRect[3] = { 0 };
        pT->_CalcBtnRects(cxWidth, cyHeight, arrRect);
        pT->_DrawMDIButton(dc, arrRect, -1);   // draw all buttons

        return lRet;
    }

    LRESULT OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);
        if(m_bChildMaximized)
        {
            RECT rect = { 0 };
            GetWindowRect(&rect);
            POINT pt = { GET_X_LPARAM(lParam) - rect.left, GET_Y_LPARAM(lParam) - rect.top };
            if(m_bLayoutRTL)
            {
                if((pt.x < m_cxRight) || (pt.x > ((rect.right - rect.left) - m_cxLeft)))
                    lRet = HTBORDER;
            }
            else
            {
                if((pt.x < m_cxLeft) || (pt.x > ((rect.right - rect.left) - m_cxRight)))
                    lRet = HTBORDER;
            }
        }
        return lRet;
    }

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

        ATLASSERT(_DebugCheckChild());

        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        RECT rect = { 0 };
        GetWindowRect(&rect);
        pt.x -= rect.left;
        pt.y -= rect.top;

        RECT rcIcon = { 0 };
        T* pT = static_cast<T*>(this);
        pT->_CalcIconRect(rect.right - rect.left, rect.bottom - rect.top, rcIcon, m_bLayoutRTL);
        RECT arrRect[3] = { 0 };
        pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect, m_bLayoutRTL);

        if(::PtInRect(&rcIcon, pt))
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonDown: icon\n"));
#endif
#ifndef TPM_VERPOSANIMATION
            const UINT TPM_VERPOSANIMATION = 0x1000L;   // Menu animation flag
#endif
            CMenuHandle menu = ::GetSystemMenu(m_hWndChildMaximized, FALSE);
            UINT uRet = (UINT)menu.TrackPopupMenu(TPM_LEFTBUTTON | TPM_VERTICAL | TPM_LEFTALIGN | TPM_TOPALIGN | TPM_RETURNCMD |  
                (s_bW2K ? TPM_VERPOSANIMATION : 0), m_bLayoutRTL ? rect.right : rect.left, rect.bottom, m_hWndChildMaximized);

            // eat next message if click is on the same button
            ::OffsetRect(&rcIcon, rect.left, rect.top);
            MSG msg = { 0 };
            if(::PeekMessage(&msg, m_hWnd, WM_NCLBUTTONDOWN, WM_NCLBUTTONDOWN, PM_NOREMOVE) && ::PtInRect(&rcIcon, msg.pt))
                ::PeekMessage(&msg, m_hWnd, WM_NCLBUTTONDOWN, WM_NCLBUTTONDOWN, PM_REMOVE);

            if(uRet != 0)
                ::SendMessage(m_hWndChildMaximized, WM_SYSCOMMAND, uRet, 0L);
        }
        else if(::PtInRect(&arrRect[0], pt))
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonDown: close button\n"));
#endif
            m_nBtnWasPressed = m_nBtnPressed = 0;
        }
        else if(::PtInRect(&arrRect[1], pt))
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonDown: restore button\n"));
#endif
            m_nBtnWasPressed = m_nBtnPressed = 1;
        }
        else if(::PtInRect(&arrRect[2], pt))
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonDown: minimize button\n"));
#endif
            m_nBtnWasPressed = m_nBtnPressed = 2;
        }
        else
        {
            bHandled = FALSE;
        }

        // draw the button state if it was pressed
        if(m_nBtnPressed != -1)
        {
            SetCapture();
            CWindowDC dc(m_hWnd);
            pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect);
            pT->_DrawMDIButton(dc, arrRect, m_nBtnPressed);
        }

        return 0;
    }

    LRESULT OnMouseMove(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(!m_bChildMaximized || ::GetCapture() != m_hWnd || m_nBtnWasPressed == -1)
        {
            bHandled = FALSE;
            return 1;
        }

        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        ClientToScreen(&pt);
        RECT rect = { 0 };
        GetWindowRect(&rect);
        pt.x -= rect.left;
        pt.y -= rect.top;
        RECT arrRect[3] = { 0 };
        T* pT = static_cast<T*>(this);
        pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect, m_bLayoutRTL);
        int nOldBtnPressed = m_nBtnPressed;
        m_nBtnPressed = ::PtInRect(&arrRect[m_nBtnWasPressed], pt) ? m_nBtnWasPressed : -1;
        if(nOldBtnPressed != m_nBtnPressed)
        {
            CWindowDC dc(m_hWnd);
            pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect);
            pT->_DrawMDIButton(dc, arrRect, (m_nBtnPressed != -1) ? m_nBtnPressed : nOldBtnPressed);
        }

        return 0;
    }

    LRESULT OnLButtonUp(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(!m_bChildMaximized || ::GetCapture() != m_hWnd || m_nBtnWasPressed == -1)
        {
            bHandled = FALSE;
            return 1;
        }

        ATLASSERT(_DebugCheckChild());

        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        ClientToScreen(&pt);
        RECT rect = { 0 };
        GetWindowRect(&rect);
        pt.x -= rect.left;
        pt.y -= rect.top;

        int nBtn = m_nBtnWasPressed;
        ReleaseCapture();

        RECT arrRect[3] = { 0 };
        T* pT = static_cast<T*>(this);
        pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect, m_bLayoutRTL);
        if(::PtInRect(&arrRect[nBtn], pt))
        {
            switch(nBtn)
            {
            case 0:     // close
#ifdef _CMDBAR_EXTRA_TRACE
                ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonUp: close button\n"));
#endif
                ::SendMessage(m_hWndChildMaximized, WM_SYSCOMMAND, SC_CLOSE, 0L);
                break;
            case 1:     // restore
#ifdef _CMDBAR_EXTRA_TRACE
                ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonUp: restore button\n"));
#endif
                ::SendMessage(m_hWndChildMaximized, WM_SYSCOMMAND, SC_RESTORE, 0L);
                break;
            case 2:     // minimize
#ifdef _CMDBAR_EXTRA_TRACE
                ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - LButtonUp: minimize button\n"));
#endif
                ::SendMessage(m_hWndChildMaximized, WM_SYSCOMMAND, SC_MINIMIZE, 0L);
                break;
            default:
                break;
            }
        }

        return 0;
    }

    LRESULT OnNcLButtonDblClk(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM lParam, BOOL& bHandled)
    {
        if(!m_bChildMaximized || m_nBtnWasPressed != -1)
        {
            bHandled = FALSE;
            return 1;
        }

        ATLASSERT(_DebugCheckChild());

        POINT pt = { GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) };
        RECT rect = { 0 };
        GetWindowRect(&rect);
        pt.x -= rect.left;
        pt.y -= rect.top;

        RECT rcIcon = { 0 };
        T* pT = static_cast<T*>(this);
        pT->_CalcIconRect(rect.right - rect.left, rect.bottom - rect.top, rcIcon, m_bLayoutRTL);
        RECT arrRect[3] = { 0 };
        pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect, m_bLayoutRTL);

        if(::PtInRect(&rcIcon, pt))
        {
            CMenuHandle menu = ::GetSystemMenu(m_hWndChildMaximized, FALSE);
            UINT uDefID = menu.GetMenuDefaultItem();
            if(uDefID == (UINT)-1)
                uDefID = SC_CLOSE;
            ::SendMessage(m_hWndChildMaximized, WM_SYSCOMMAND, uDefID, 0L);
        }

        return 0;
    }

    LRESULT OnCaptureChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
    {
        if(m_bChildMaximized)
        {
            if(m_nBtnPressed != -1)
            {
                ATLASSERT(m_nBtnPressed == m_nBtnWasPressed);   // must be
                m_nBtnPressed = -1;
                RECT rect = { 0 };
                GetWindowRect(&rect);
                RECT arrRect[3] = { 0 };
                T* pT = static_cast<T*>(this);
                pT->_CalcBtnRects(rect.right - rect.left, rect.bottom - rect.top, arrRect);
                CWindowDC dc(m_hWnd);
                pT->_DrawMDIButton(dc, arrRect, m_nBtnWasPressed);
            }
            m_nBtnWasPressed = -1;
        }
        else
        {
            bHandled = FALSE;
        }
        return 0;
    }

// Parent window message handlers
    LRESULT OnParentActivate(UINT /*uMsg*/, WPARAM wParam, LPARAM /*lParam*/, BOOL& bHandled)
    {
        m_bParentActive = (LOWORD(wParam) != WA_INACTIVE);
        RedrawWindow(NULL, NULL, RDW_INVALIDATE | RDW_FRAME | RDW_UPDATENOW);
        bHandled = FALSE;
        return 1;
    }

// MDI client window message handlers
    LRESULT OnMDISetMenu(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
    {
        m_wndMDIClient.DefWindowProc(uMsg, NULL, lParam);
        HMENU hOldMenu = GetMenu();
        BOOL bRet = AttachMenu((HMENU)wParam);
        bRet;   // avoid level 4 warning
        ATLASSERT(bRet);

#if (_WIN32_IE >= 0x0400)
        T* pT = static_cast<T*>(this);
        pT->UpdateRebarBandIdealSize();
#endif // (_WIN32_IE >= 0x0400)

        return (LRESULT)hOldMenu;
    }

// All messages from the message hook
    LRESULT OnAllHookMessages(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
    {
        T* pT = static_cast<T*>(this);
        pT->_ProcessAllHookMessages(uMsg, wParam, lParam);

        bHandled = FALSE;
        return 1;
    }

// Overrideables
    // override this to provide different ideal size
    void UpdateRebarBandIdealSize()
    {
        // assuming we are in a rebar, change ideal size to our size
        // we hope that if we are not in a rebar, nCount will be 0
        int nCount = (int)::SendMessage(GetParent(), RB_GETBANDCOUNT, 0, 0L);
        for(int i = 0; i < nCount; i++)
        {
            REBARBANDINFO rbi = { RunTimeHelper::SizeOf_REBARBANDINFO(), RBBIM_CHILD | RBBIM_CHILDSIZE | RBBIM_IDEALSIZE };
            ::SendMessage(GetParent(), RB_GETBANDINFO, i, (LPARAM)&rbi);
            if(rbi.hwndChild == m_hWnd)
            {
                rbi.fMask = RBBIM_IDEALSIZE;
                rbi.cxIdeal = m_bChildMaximized ? m_cxLeft + m_cxRight : 0;
                int nBtnCount = GetButtonCount();
                if(nBtnCount > 0)
                {
                    RECT rect = { 0 };
                    GetItemRect(nBtnCount - 1, &rect);
                    rbi.cxIdeal += rect.right;
                }
                ::SendMessage(GetParent(), RB_SETBANDINFO, i, (LPARAM)&rbi);
                break;
            }
        }
    }

    // all hook messages - check for the maximized MDI child window change
    void _ProcessAllHookMessages(UINT uMsg, WPARAM /*wParam*/, LPARAM /*lParam*/)
    {
        if(uMsg == WM_MDIGETACTIVE || uMsg == WM_MDISETMENU)
            return;

        BOOL bMaximized = FALSE;
        HWND hWndChild = (HWND)::SendMessage(m_wndMDIClient, WM_MDIGETACTIVE, 0, (LPARAM)&bMaximized);
        bool bMaxOld = m_bChildMaximized;
        m_bChildMaximized = (hWndChild != NULL && bMaximized);
        HICON hIconOld = m_hIconChildMaximized;

        if(m_bChildMaximized)
        {
            if(m_hWndChildMaximized != hWndChild)
            {
                ATL::CWindow wnd = m_hWndChildMaximized = hWndChild;
                m_hIconChildMaximized = wnd.GetIcon(FALSE);
                if(m_hIconChildMaximized == NULL)
                {
                    m_hIconChildMaximized = wnd.GetIcon(TRUE);
                    if(m_hIconChildMaximized == NULL)
                    {
                        // no icon set with WM_SETICON, get the class one
// need conditional code because types don't match in winuser.h
#ifdef _WIN64
                        m_hIconChildMaximized = (HICON)::GetClassLongPtr(wnd, GCLP_HICONSM);
#else
                        m_hIconChildMaximized = (HICON)LongToHandle(::GetClassLongPtr(wnd, GCLP_HICONSM));
#endif
                    }
                }
            }
        }
        else
        {
            m_hWndChildMaximized = NULL;
            m_hIconChildMaximized = NULL;
        }

        if(bMaxOld != m_bChildMaximized)
        {
#ifdef _CMDBAR_EXTRA_TRACE
            ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - All messages hook change: m_bChildMaximized = %s\n"), m_bChildMaximized ? "true" : "false");
#endif
            // assuming we are in a rebar, change our size to accomodate new state
            // we hope that if we are not in a rebar, nCount will be 0
            int nCount = (int)::SendMessage(GetParent(), RB_GETBANDCOUNT, 0, 0L);
            int cxDiff = (m_bChildMaximized ? 1 : -1) * (m_cxLeft + m_cxRight);
            for(int i = 0; i < nCount; i++)
            {
#if (_WIN32_IE >= 0x0500)
                REBARBANDINFO rbi = { RunTimeHelper::SizeOf_REBARBANDINFO(), RBBIM_CHILD | RBBIM_CHILDSIZE | RBBIM_IDEALSIZE | RBBIM_STYLE };
                ::SendMessage(GetParent(), RB_GETBANDINFO, i, (LPARAM)&rbi);
                if(rbi.hwndChild == m_hWnd)
                {
                    if((rbi.fStyle & RBBS_USECHEVRON) != 0)
                    {
                        rbi.fMask = RBBIM_CHILDSIZE | RBBIM_IDEALSIZE;
                        rbi.cxMinChild += cxDiff;
                        rbi.cxIdeal += cxDiff;
                        ::SendMessage(GetParent(), RB_SETBANDINFO, i, (LPARAM)&rbi);
                    }
                    break;
                }
#elif (_WIN32_IE >= 0x0400)
                REBARBANDINFO rbi = { RunTimeHelper::SizeOf_REBARBANDINFO(), RBBIM_CHILD | RBBIM_CHILDSIZE | RBBIM_IDEALSIZE };
                ::SendMessage(GetParent(), RB_GETBANDINFO, i, (LPARAM)&rbi);
                if(rbi.hwndChild == m_hWnd)
                {
                    rbi.fMask = RBBIM_CHILDSIZE | RBBIM_IDEALSIZE;
                    rbi.cxMinChild += cxDiff;
                    rbi.cxIdeal += cxDiff;
                    ::SendMessage(GetParent(), RB_SETBANDINFO, i, (LPARAM)&rbi);
                    break;
                }
#else // (_WIN32_IE < 0x0400)
                REBARBANDINFO rbi = { RunTimeHelper::SizeOf_REBARBANDINFO(), RBBIM_CHILD | RBBIM_CHILDSIZE };
                ::SendMessage(GetParent(), RB_GETBANDINFO, i, (LPARAM)&rbi);
                if(rbi.hwndChild == m_hWnd)
                {
                    rbi.fMask = RBBIM_CHILDSIZE;
                    rbi.cxMinChild += cxDiff;
                    ::SendMessage(GetParent(), RB_SETBANDINFO, i, (LPARAM)&rbi);
                    break;
                }
#endif // (_WIN32_IE < 0x0400)
            }
        }

        if(bMaxOld != m_bChildMaximized || hIconOld != m_hIconChildMaximized)
        {
            // force size change and redraw everything
            RECT rect = { 0 };
            GetWindowRect(&rect);
            ::MapWindowPoints(NULL, GetParent(), (LPPOINT)&rect, 2);
            SetRedraw(FALSE);
            SetWindowPos(NULL, 0, 0, 1, 1, SWP_NOZORDER | SWP_NOMOVE);
            SetWindowPos(NULL, &rect, SWP_NOZORDER | SWP_NOMOVE);
            SetRedraw(TRUE);
            RedrawWindow(NULL, NULL, RDW_FRAME | RDW_INVALIDATE | RDW_UPDATENOW);
        }
    }

// Implementation
    void GetSystemSettings()
    {
#ifdef _CMDBAR_EXTRA_TRACE
        ATLTRACE2(atlTraceUI, 0, _T("MDI CmdBar - GetSystemSettings\n"));
#endif
        _baseClass::GetSystemSettings();

        NONCLIENTMETRICS info = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() };
        BOOL bRet = ::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(info), &info, 0);
        ATLASSERT(bRet);
        if(bRet)
        {
            m_cxIconWidth = ::GetSystemMetrics(SM_CXSMICON);
            m_cyIconHeight = ::GetSystemMetrics(SM_CYSMICON);
            m_cxLeft = m_cxIconWidth;

#ifndef _WTL_NO_AUTO_THEME
            if(m_hTheme != NULL)
            {
                m_cxBtnWidth = info.iCaptionWidth - 2 * m_cxyOffset;
                m_cyBtnHeight = info.iCaptionHeight - 2 * m_cxyOffset;
                m_cxRight = 3 * m_cxBtnWidth;
            }
            else
#endif // !_WTL_NO_AUTO_THEME
            {
                m_cxBtnWidth = info.iCaptionWidth - m_cxyOffset;
                m_cyBtnHeight = info.iCaptionHeight - 2 * m_cxyOffset;
                m_cxRight = 3 * m_cxBtnWidth + m_cxyOffset;
            }
        }

        RECT rect = { 0 };
        GetClientRect(&rect);
        T* pT = static_cast<T*>(this);
        pT->_AdjustBtnSize(rect.bottom);
    }

    void _AdjustBtnSize(int cyHeight)
    {
        if(cyHeight > 1 && m_cyBtnHeight > cyHeight)
        {
#ifndef _WTL_NO_AUTO_THEME
            if(m_hTheme != NULL)
            {
                m_cyBtnHeight = cyHeight;
                m_cxBtnWidth = cyHeight;
                m_cxRight = 3 * m_cxBtnWidth;
            }
            else
#endif // !_WTL_NO_AUTO_THEME
            {
                m_cyBtnHeight = cyHeight;
                m_cxBtnWidth = cyHeight + m_cxyOffset;
                m_cxRight = 3 * m_cxBtnWidth + m_cxyOffset;
            }
        }
    }

    void _CalcIconRect(int cxWidth, int cyHeight, RECT& rect, bool bInvertX = false) const
    {
        int xStart = (m_cxLeft - m_cxIconWidth) / 2;
        if(xStart < 0)
            xStart = 0;
        int yStart = (cyHeight - m_cyIconHeight) / 2;
        if(yStart < 0)
            yStart = 0;

        if(bInvertX)
            ::SetRect(&rect, cxWidth - (xStart + m_cxBtnWidth), yStart, cxWidth - xStart, yStart + m_cyBtnHeight);
        else
            ::SetRect(&rect, xStart, yStart, xStart + m_cxBtnWidth, yStart + m_cyBtnHeight);
    }

    void _CalcBtnRects(int cxWidth, int cyHeight, RECT arrRect[3], bool bInvertX = false) const
    {
        int yStart = (cyHeight - m_cyBtnHeight) / 2;
        if(yStart < 0)
            yStart = 0;

        RECT rcBtn = { cxWidth - m_cxBtnWidth, yStart, cxWidth, yStart + m_cyBtnHeight };
        int nDirection = -1;
        if(bInvertX)
        {
            ::SetRect(&rcBtn, 0, yStart, m_cxBtnWidth, yStart + m_cyBtnHeight);
            nDirection = 1;
        }

        arrRect[0] = rcBtn;
#ifndef _WTL_NO_AUTO_THEME
        if(m_hTheme != NULL)
            ::OffsetRect(&rcBtn, nDirection * m_cxBtnWidth, 0);
        else
#endif // !_WTL_NO_AUTO_THEME
            ::OffsetRect(&rcBtn, nDirection * (m_cxBtnWidth + m_cxyOffset), 0);
        arrRect[1] = rcBtn;
        ::OffsetRect(&rcBtn, nDirection * m_cxBtnWidth, 0);
        arrRect[2] = rcBtn;
    }

    void _DrawMDIButton(CWindowDC& dc, LPRECT pRects, int nBtn)
    {
#ifndef _WTL_NO_AUTO_THEME
        if(m_hTheme != NULL)
        {
#ifndef TMSCHEMA_H
            const int WP_MDICLOSEBUTTON = 20;
            const int CBS_NORMAL = 1;
            const int CBS_PUSHED = 3;
            const int CBS_DISABLED = 4;
            const int WP_MDIRESTOREBUTTON = 22;
            const int RBS_NORMAL = 1;
            const int RBS_PUSHED = 3;
            const int RBS_DISABLED = 4;
            const int WP_MDIMINBUTTON = 16;
            const int MINBS_NORMAL = 1;
            const int MINBS_PUSHED = 3;
            const int MINBS_DISABLED = 4;
#endif // TMSCHEMA_H
            if(nBtn == -1 || nBtn == 0)
                m_pfnDrawThemeBackground(m_hTheme, dc, WP_MDICLOSEBUTTON, m_bParentActive ? ((m_nBtnPressed == 0) ? CBS_PUSHED : CBS_NORMAL) : CBS_DISABLED, &pRects[0], NULL);
            if(nBtn == -1 || nBtn == 1)
                m_pfnDrawThemeBackground(m_hTheme, dc, WP_MDIRESTOREBUTTON, m_bParentActive ? ((m_nBtnPressed == 1) ? RBS_PUSHED : RBS_NORMAL) : RBS_DISABLED, &pRects[1], NULL);
            if(nBtn == -1 || nBtn == 2)
                m_pfnDrawThemeBackground(m_hTheme, dc, WP_MDIMINBUTTON, m_bParentActive ? ((m_nBtnPressed == 2) ? MINBS_PUSHED : MINBS_NORMAL) : MINBS_DISABLED, &pRects[2], NULL);
        }
        else
#endif // !_WTL_NO_AUTO_THEME
        {
            if(nBtn == -1 || nBtn == 0)
                dc.DrawFrameControl(&pRects[0], DFC_CAPTION, DFCS_CAPTIONCLOSE | ((m_nBtnPressed == 0) ? DFCS_PUSHED : 0));
            if(nBtn == -1 || nBtn == 1)
                dc.DrawFrameControl(&pRects[1], DFC_CAPTION, DFCS_CAPTIONRESTORE | ((m_nBtnPressed == 1) ? DFCS_PUSHED : 0));
            if(nBtn == -1 || nBtn == 2)
                dc.DrawFrameControl(&pRects[2], DFC_CAPTION, DFCS_CAPTIONMIN | ((m_nBtnPressed == 2) ? DFCS_PUSHED : 0));
        }
    }

#ifndef _WTL_NO_AUTO_THEME
    static UINT _GetThemeChangedMsg()
    {
#ifndef WM_THEMECHANGED
        static const UINT WM_THEMECHANGED = 0x031A;
#endif // !WM_THEMECHANGED
        return WM_THEMECHANGED;
    }

    void _OpenThemeData()
    {
        ATLASSERT(m_hThemeDLL != NULL);

        PFN_OpenThemeData pfnOpenThemeData = (PFN_OpenThemeData)::GetProcAddress(m_hThemeDLL, "OpenThemeData");
        ATLASSERT(pfnOpenThemeData != NULL);
        if(pfnOpenThemeData != NULL)
            m_hTheme = pfnOpenThemeData(m_hWnd, L"Window");
    }

    void _CloseThemeData()
    {
        ATLASSERT(m_hThemeDLL != NULL);

        if(m_hTheme == NULL)
            return;   // nothing to do

        PFN_CloseThemeData pfnCloseThemeData = (PFN_CloseThemeData)::GetProcAddress(m_hThemeDLL, "CloseThemeData");
        ATLASSERT(pfnCloseThemeData != NULL);
        if(pfnCloseThemeData != NULL)
        {
            pfnCloseThemeData(m_hTheme);
            m_hTheme = NULL;
        }
    }
#endif // !_WTL_NO_AUTO_THEME

    bool _DebugCheckChild()
    {
#ifdef _DEBUG
        BOOL bMaximized = FALSE;
        HWND hWndChild = (HWND)::SendMessage(m_wndMDIClient, WM_MDIGETACTIVE, 0, (LPARAM)&bMaximized);
        return (bMaximized && hWndChild == m_hWndChildMaximized);
#else // !_DEBUG
        return true;
#endif // !_DEBUG
    }
};

class CMDICommandBarCtrl : public CMDICommandBarCtrlImpl<CMDICommandBarCtrl>
{
public:
    DECLARE_WND_SUPERCLASS(_T("WTL_MDICommandBar"), GetWndClassName())
};

}; // namespace WTL

#endif // __ATLCTRLW_H__