sizecbar.cpp

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        rcEdge.DeflateRect(bHorz ? 0 : m_cxEdge, 0);
        break;
    default:
        ASSERT(FALSE); // invalid hit test code
    }
    return TRUE;
}

UINT CSizingControlBar::GetEdgeHTCode(int nEdge)
{
    if (nEdge == 0) return HTLEFT;
    if (nEdge == 1) return HTTOP;
    if (nEdge == 2) return HTRIGHT;
    if (nEdge == 3) return HTBOTTOM;
    ASSERT(FALSE); // invalid edge code
    return HTNOWHERE;
}

void CSizingControlBar::GetRowInfo(int& nFirst, int& nLast, int& nThis)
{
    ASSERT_VALID(m_pDockBar); // verify bounds

    nThis = m_pDockBar->FindBar(this);
    ASSERT(nThis != -1);

    int i, nBars = m_pDockBar->m_arrBars.GetSize();

    // find the first and the last bar in row
    for (nFirst = -1, i = nThis - 1; i >= 0 && nFirst == -1; i--)
        if (m_pDockBar->m_arrBars[i] == NULL)
            nFirst = i + 1;
    for (nLast = -1, i = nThis + 1; i < nBars && nLast == -1; i++)
        if (m_pDockBar->m_arrBars[i] == NULL)
            nLast = i - 1;

    ASSERT((nLast != -1) && (nFirst != -1));
}

void CSizingControlBar::GetRowSizingBars(CSCBArray& arrSCBars)
{
    arrSCBars.RemoveAll();

    int nFirst, nLast, nThis;
    GetRowInfo(nFirst, nLast, nThis);

    for (int i = nFirst; i <= nLast; i++)
    {
        CSizingControlBar* pBar =
            (CSizingControlBar*) m_pDockBar->m_arrBars[i];
        if (HIWORD(pBar) == 0) continue; // placeholder
        if (!pBar->IsVisible()) continue;
        if (pBar->IsKindOf(RUNTIME_CLASS(CSizingControlBar)))
            arrSCBars.Add(pBar);
    }
}

BOOL CSizingControlBar::NegotiateSpace(int nLengthTotal, BOOL bHorz)
{
    ASSERT(bHorz == IsHorzDocked());

    int nFirst, nLast, nThis;
    GetRowInfo(nFirst, nLast, nThis);

    int nLengthAvail = nLengthTotal;
    int nLengthActual = 0;
    int nLengthMin = 2;
    int nWidthMax = 0;
    CSizingControlBar* pBar;

    for (int i = nFirst; i <= nLast; i++)
    {
        pBar = (CSizingControlBar*) m_pDockBar->m_arrBars[i];
        if (HIWORD(pBar) == 0) continue; // placeholder
        if (!pBar->IsVisible()) continue;
        BOOL bIsSizingBar = 
            pBar->IsKindOf(RUNTIME_CLASS(CSizingControlBar));

        int nLengthBar; // minimum length of the bar
        if (bIsSizingBar)
            nLengthBar = bHorz ? pBar->m_szMinHorz.cx - 2 :
                pBar->m_szMinVert.cy - 2;
        else
        {
            CRect rcBar;
            pBar->GetWindowRect(&rcBar);
            nLengthBar = bHorz ? rcBar.Width() - 2 : rcBar.Height() - 2;
        }

        nLengthMin += nLengthBar;
        if (nLengthMin > nLengthTotal)
        {
            // split the row after fixed bar
            if (i < nThis)
            {
                m_pDockBar->m_arrBars.InsertAt(i + 1,
                    (CControlBar*) NULL);
                return FALSE;
            }
            
            // only this sizebar remains on the row, adjust it to minsize
            if (i == nThis)
            {
                if (bHorz)
                    m_szHorz.cx = m_szMinHorz.cx;
                else
                    m_szVert.cy = m_szMinVert.cy;

                return TRUE; // the dockbar will split the row for us
            }

            // we have enough bars - go negotiate with them
            m_pDockBar->m_arrBars.InsertAt(i, (CControlBar*) NULL);
            nLast = i - 1;
            break;
        }

        if (bIsSizingBar)
        {
            nLengthActual += bHorz ? pBar->m_szHorz.cx - 2 : 
                pBar->m_szVert.cy - 2;
            nWidthMax = max(nWidthMax, bHorz ? pBar->m_szHorz.cy :
                pBar->m_szVert.cx);
        }
        else
            nLengthAvail -= nLengthBar;
    }

    CSCBArray arrSCBars;
    GetRowSizingBars(arrSCBars);
    int nNumBars = arrSCBars.GetSize();
    int nDelta = nLengthAvail - nLengthActual;

    // return faster when there is only one sizing bar per row (this one)
    if (nNumBars == 1)
    {
        ASSERT(arrSCBars[0] == this);

        if (nDelta != 0)
        {
            m_bKeepSize = FALSE;
            (bHorz ? m_szHorz.cx : m_szVert.cy) += nDelta;
        }

        return TRUE;
    }

    // make all the bars the same width
    for (i = 0; i < nNumBars; i++)
        if (bHorz)
            arrSCBars[i]->m_szHorz.cy = nWidthMax;
        else
            arrSCBars[i]->m_szVert.cx = nWidthMax;

    // distribute the difference between the bars,
    // but don't shrink them below their minsizes
    while (nDelta != 0)
    {
        int nDeltaOld = nDelta;
        for (i = 0; i < nNumBars; i++)
        {
            pBar = arrSCBars[i];
            int nLMin = bHorz ?
                pBar->m_szMinHorz.cx : pBar->m_szMinVert.cy;
            int nL = bHorz ? pBar->m_szHorz.cx : pBar->m_szVert.cy;

            if ((nL == nLMin) && (nDelta < 0) || // already at min length
                pBar->m_bKeepSize) // or wants to keep its size
                continue;

            // sign of nDelta
            int nDelta2 = (nDelta == 0) ? 0 : ((nDelta < 0) ? -1 : 1);

            (bHorz ? pBar->m_szHorz.cx : pBar->m_szVert.cy) += nDelta2;
            nDelta -= nDelta2;
            if (nDelta == 0) break;
        }
        // clear m_bKeepSize flags
        if ((nDeltaOld == nDelta) || (nDelta == 0))
            for (i = 0; i < nNumBars; i++)
                arrSCBars[i]->m_bKeepSize = FALSE;
    }

    return TRUE;
}

void CSizingControlBar::AlignControlBars()
{
    int nFirst, nLast, nThis;
    GetRowInfo(nFirst, nLast, nThis);

    BOOL bHorz = IsHorzDocked();
    BOOL bNeedRecalc = FALSE;
    int nAlign = bHorz ? -2 : 0;

    CRect rc, rcDock;
    m_pDockBar->GetWindowRect(&rcDock);

    for (int i = nFirst; i <= nLast; i++)
    {
        CSizingControlBar* pBar =
            (CSizingControlBar*) m_pDockBar->m_arrBars[i];
        if (HIWORD(pBar) == 0) continue; // placeholder
        if (!pBar->IsVisible()) continue;

        pBar->GetWindowRect(&rc);
        rc.OffsetRect(-rcDock.TopLeft());

        if (pBar->IsKindOf(RUNTIME_CLASS(CSizingControlBar)))
            rc = CRect(rc.TopLeft(),
                bHorz ? pBar->m_szHorz : pBar->m_szVert);

        if ((bHorz ? rc.left : rc.top) != nAlign)
        {
            if (!bHorz)
                rc.OffsetRect(0, nAlign - rc.top - 2);
            else if (m_nDockBarID == AFX_IDW_DOCKBAR_TOP)
                rc.OffsetRect(nAlign - rc.left, -2);
            else
                rc.OffsetRect(nAlign - rc.left, 0);
            pBar->MoveWindow(rc);
            bNeedRecalc = TRUE;
        }
        nAlign += (bHorz ? rc.Width() : rc.Height()) - 2;
    }

    if (bNeedRecalc)
        m_pDockSite->DelayRecalcLayout();
}

#ifdef _SCB_REPLACE_MINIFRAME
#ifndef _SCB_MINIFRAME_CAPTION
/////////////////////////////////////////////////////////////////////////////
// CSCBDockContext Drag Operations

static void AdjustRectangle(CRect& rect, CPoint pt)
{
    int nXOffset = (pt.x < rect.left) ? (pt.x - rect.left) :
                    (pt.x > rect.right) ? (pt.x - rect.right) : 0;
    int nYOffset = (pt.y < rect.top) ? (pt.y - rect.top) :
                    (pt.y > rect.bottom) ? (pt.y - rect.bottom) : 0;
    rect.OffsetRect(nXOffset, nYOffset);
}

void CSCBDockContext::StartDrag(CPoint pt)
{
}
#endif //_SCB_MINIFRAME_CAPTION

/////////////////////////////////////////////////////////////////////////////
// CSCBMiniDockFrameWnd

IMPLEMENT_DYNCREATE(CSCBMiniDockFrameWnd, baseCSCBMiniDockFrameWnd);

BEGIN_MESSAGE_MAP(CSCBMiniDockFrameWnd, baseCSCBMiniDockFrameWnd)
    //{{AFX_MSG_MAP(CSCBMiniDockFrameWnd)
    ON_WM_NCLBUTTONDOWN()
    ON_WM_GETMINMAXINFO()
    ON_WM_WINDOWPOSCHANGING()
    ON_WM_SIZE()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL CSCBMiniDockFrameWnd::Create(CWnd* pParent, DWORD dwBarStyle)
{
    // set m_bInRecalcLayout to avoid flashing during creation
    // RecalcLayout will be called once something is docked
    m_bInRecalcLayout = TRUE;

    DWORD dwStyle = WS_POPUP|WS_CAPTION|WS_SYSMENU|MFS_MOVEFRAME|
        MFS_4THICKFRAME|MFS_SYNCACTIVE|MFS_BLOCKSYSMENU|
        FWS_SNAPTOBARS;

    if (dwBarStyle & CBRS_SIZE_DYNAMIC)
        dwStyle &= ~MFS_MOVEFRAME;

    DWORD dwExStyle = 0;
#ifdef _MAC
    if (dwBarStyle & CBRS_SIZE_DYNAMIC)
        dwExStyle |= WS_EX_FORCESIZEBOX;
    else
        dwStyle &= ~(MFS_MOVEFRAME|MFS_4THICKFRAME);
#endif

    if (!CMiniFrameWnd::CreateEx(dwExStyle,
        NULL, &afxChNil, dwStyle, rectDefault, pParent))
    {
        m_bInRecalcLayout = FALSE;
        return FALSE;
    }
    dwStyle = dwBarStyle & (CBRS_ALIGN_LEFT|CBRS_ALIGN_RIGHT) ?
        CBRS_ALIGN_LEFT : CBRS_ALIGN_TOP;
    dwStyle |= dwBarStyle & CBRS_FLOAT_MULTI;
    CMenu* pSysMenu = GetSystemMenu(FALSE);
    //pSysMenu->DeleteMenu(SC_SIZE, MF_BYCOMMAND);
    CString strHide;
    LOADSTR(strHide ,AFX_IDS_HIDE);
	if (strHide.GetLength())
    {
        pSysMenu->DeleteMenu(SC_CLOSE, MF_BYCOMMAND);
        pSysMenu->AppendMenu(MF_STRING|MF_ENABLED, SC_CLOSE, strHide);
    }

    // must initially create with parent frame as parent
    if (!m_wndDockBar.Create(pParent, WS_CHILD | WS_VISIBLE | dwStyle,
        AFX_IDW_DOCKBAR_FLOAT))
    {
        m_bInRecalcLayout = FALSE;
        return FALSE;
    }

    // set parent to CMiniDockFrameWnd
    m_wndDockBar.SetParent(this);
    m_bInRecalcLayout = FALSE;

    return TRUE;
}

void CSCBMiniDockFrameWnd::OnNcLButtonDown(UINT nHitTest, CPoint point)
{
    if (nHitTest == HTCAPTION || nHitTest == HTCLOSE)
    {
        baseCSCBMiniDockFrameWnd::OnNcLButtonDown(nHitTest, point);
        return;
    }

    if (GetSizingControlBar() != NULL)
        CMiniFrameWnd::OnNcLButtonDown(nHitTest, point);
    else
        baseCSCBMiniDockFrameWnd::OnNcLButtonDown(nHitTest, point);
}

CSizingControlBar* CSCBMiniDockFrameWnd::GetSizingControlBar()
{
    CWnd* pWnd = GetWindow(GW_CHILD); // get the dockbar
    if (pWnd == NULL)
        return NULL;
    
    pWnd = pWnd->GetWindow(GW_CHILD); // get the controlbar
    if (pWnd == NULL)
        return NULL;

    if (!pWnd->IsKindOf(RUNTIME_CLASS(CSizingControlBar)))
        return NULL;

    return (CSizingControlBar*) pWnd;
}

void CSCBMiniDockFrameWnd::OnSize(UINT nType, int cx, int cy) 
{
    CSizingControlBar* pBar = GetSizingControlBar();
    if ((pBar != NULL) && (GetStyle() & MFS_4THICKFRAME) == 0
        && pBar->IsVisible())
        pBar->m_szFloat = CSize(cx + 4, cy + 4);

    baseCSCBMiniDockFrameWnd::OnSize(nType, cx, cy);
}

void CSCBMiniDockFrameWnd::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
{
    baseCSCBMiniDockFrameWnd::OnGetMinMaxInfo(lpMMI);

    CSizingControlBar* pBar = GetSizingControlBar();
    if (pBar != NULL)
    {
        CRect r(CPoint(0, 0), pBar->m_szMinFloat - CSize(4, 4));
#ifndef _SCB_MINIFRAME_CAPTION
        CMiniFrameWnd::CalcBorders(&r, WS_THICKFRAME);
#else
        CMiniFrameWnd::CalcBorders(&r, WS_THICKFRAME|WS_CAPTION);
#endif //_SCB_MINIFRAME_CAPTION
        lpMMI->ptMinTrackSize.x = r.Width();
        lpMMI->ptMinTrackSize.y = r.Height();
    }
}

void CSCBMiniDockFrameWnd::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos) 
{
    if ((GetStyle() & MFS_4THICKFRAME) != 0)
    {
        CSizingControlBar* pBar = GetSizingControlBar();
        if (pBar != NULL)
        {
            lpwndpos->flags |= SWP_NOSIZE; // don't size this time
            // prevents flicker
            pBar->m_pDockBar->ModifyStyle(0, WS_CLIPCHILDREN);
            // enable diagonal resizing
            ModifyStyle(MFS_4THICKFRAME, 0);
#ifndef _SCB_MINIFRAME_CAPTION
            // remove caption
            ModifyStyle(WS_SYSMENU|WS_CAPTION, 0);
#endif
            DelayRecalcLayout();
            pBar->PostMessage(WM_NCPAINT);
        }
    }

    CMiniFrameWnd::OnWindowPosChanging(lpwndpos);
}

#endif //_SCB_REPLACE_MINIFRAME

void CSizingControlBar::SetVertWidth(int nWidth)
{
    m_szVert.cx = nWidth;
}

//#pragma optimize( "s", off )