/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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#include <svtools/brwbox.hxx>
#include <svtools/brwhead.hxx>
#include "datwin.hxx"
#include <tools/debug.hxx>
#include <tools/stream.hxx>

#include <functional>
#include <algorithm>
#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <tools/multisel.hxx>
#include "brwimpl.hxx"

DBG_NAME(BrowseBox)

extern const char* BrowseBoxCheckInvariants( const void* pVoid );

#define SCROLL_FLAGS (SCROLL_CLIP | SCROLL_NOCHILDREN)
#define getDataWindow() ((BrowserDataWin*)pDataWin)

using namespace com::sun::star::accessibility::AccessibleEventId;
using namespace com::sun::star::accessibility::AccessibleTableModelChangeType;
using com::sun::star::accessibility::AccessibleTableModelChange;
using com::sun::star::lang::XComponent;
using namespace ::com::sun::star::uno;
using namespace svt;

//-------------------------------------------------------------------

namespace
{
    void disposeAndClearHeaderCell(::svt::BrowseBoxImpl::THeaderCellMap& _rHeaderCell)
    {
        ::std::for_each(
                        _rHeaderCell.begin(),
                        _rHeaderCell.end(),
                        ::svt::BrowseBoxImpl::THeaderCellMapFunctorDispose()
                            );
        _rHeaderCell.clear();
    }
}

//===================================================================

void BrowseBox::ConstructImpl( BrowserMode nMode )
{
    OSL_TRACE( "BrowseBox: %p->ConstructImpl", this );
    bMultiSelection = sal_False;
    pColSel = 0;
    pDataWin = 0;
    pVScroll = 0;

    pDataWin = new BrowserDataWin( this );
    pCols = new BrowserColumns;
    m_pImpl.reset( new ::svt::BrowseBoxImpl() );

    aGridLineColor = Color( COL_LIGHTGRAY );
    InitSettings_Impl( this );
    InitSettings_Impl( pDataWin );

    bBootstrapped = sal_False;
    nDataRowHeight = 0;
    nTitleLines = 1;
    nFirstCol = 0;
    nTopRow = 0;
    nCurRow = BROWSER_ENDOFSELECTION;
    nCurColId = 0;
    bResizing = sal_False;
    bSelect = sal_False;
    bSelecting = sal_False;
    bScrolling = sal_False;
    bSelectionIsVisible = sal_False;
    bNotToggleSel = sal_False;
    bRowDividerDrag = sal_False;
    bHit = sal_False;
    mbInteractiveRowHeight = sal_False;
    bHideSelect = sal_False;
    bHideCursor = NO_CURSOR_HIDE;
    nRowCount = 0;
    m_bFocusOnlyCursor = sal_True;
    m_aCursorColor = COL_TRANSPARENT;
    m_nCurrentMode = 0;
    nControlAreaWidth = USHRT_MAX;
    uRow.nSel = BROWSER_ENDOFSELECTION;

    aHScroll.SetLineSize(1);
    aHScroll.SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) );
    aHScroll.SetEndScrollHdl( LINK( this, BrowseBox, EndScrollHdl ) );
    pDataWin->Show();

    SetMode( nMode );
    bSelectionIsVisible = bKeepHighlight;
    bHasFocus = HasChildPathFocus();
    getDataWindow()->nCursorHidden =
                ( bHasFocus ? 0 : 1 ) + ( GetUpdateMode() ? 0 : 1 );
}

//-------------------------------------------------------------------

BrowseBox::BrowseBox( Window* pParent, WinBits nBits, BrowserMode nMode )
    :Control( pParent, nBits | WB_3DLOOK )
    ,DragSourceHelper( this )
    ,DropTargetHelper( this )
    ,aHScroll( this, WinBits( WB_HSCROLL ) )
{
    DBG_CTOR( BrowseBox, NULL );
    ConstructImpl( nMode );
}

//-------------------------------------------------------------------

BrowseBox::BrowseBox( Window* pParent, const ResId& rId, BrowserMode nMode )
    :Control( pParent, rId )
    ,DragSourceHelper( this )
    ,DropTargetHelper( this )
    ,aHScroll( this, WinBits(WB_HSCROLL) )
{
    DBG_CTOR( BrowseBox, NULL );
    ConstructImpl(nMode);
}
//-------------------------------------------------------------------

BrowseBox::~BrowseBox()
{
    DBG_DTOR(BrowseBox,BrowseBoxCheckInvariants);
    OSL_TRACE( "BrowseBox: %p~", this );

    if ( m_pImpl->m_pAccessible )
    {
        disposeAndClearHeaderCell(m_pImpl->m_aColHeaderCellMap);
        disposeAndClearHeaderCell(m_pImpl->m_aRowHeaderCellMap);
        m_pImpl->m_pAccessible->dispose();
    }

    Hide();
    delete getDataWindow()->pHeaderBar;
    delete getDataWindow()->pCornerWin;
    delete pDataWin;
    delete pVScroll;

    // free columns-space
    for ( size_t i = 0, n = pCols->size(); i < n; ++i )
        delete (*pCols)[ i ];
    pCols->clear();
    delete pCols;
    delete pColSel;
    if ( bMultiSelection )
        delete uRow.pSel;
}

//-------------------------------------------------------------------

short BrowseBox::GetCursorHideCount() const
{
    return getDataWindow()->nCursorHidden;
}

//-------------------------------------------------------------------

void BrowseBox::DoShowCursor( const char * )
{
    short nHiddenCount = --getDataWindow()->nCursorHidden;
    if (PaintCursorIfHiddenOnce())
    {
        if (1 == nHiddenCount)
            DrawCursor();
    }
    else
    {
        if (0 == nHiddenCount)
            DrawCursor();
    }
}

//-------------------------------------------------------------------

void BrowseBox::DoHideCursor( const char * )
{
    short nHiddenCount = ++getDataWindow()->nCursorHidden;
    if (PaintCursorIfHiddenOnce())
    {
        if (2 == nHiddenCount)
            DrawCursor();
    }
    else
    {
        if (1 == nHiddenCount)
            DrawCursor();
    }
}

//-------------------------------------------------------------------

void BrowseBox::SetRealRowCount( const String &rRealRowCount )
{
    getDataWindow()->aRealRowCount = rRealRowCount;
}

//-------------------------------------------------------------------

void BrowseBox::SetFont( const Font& rNewFont )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);
    pDataWin->SetFont( rNewFont );
    ImpGetDataRowHeight();
}

//-------------------------------------------------------------------

sal_uLong BrowseBox::GetDefaultColumnWidth( const String& _rText ) const
{
    return GetDataWindow().GetTextWidth( _rText ) + GetDataWindow().GetTextWidth( '0' ) * 4;
}

//-------------------------------------------------------------------

void BrowseBox::InsertHandleColumn( sal_uLong nWidth )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

#if OSL_DEBUG_LEVEL > 0
    OSL_ENSURE( ColCount() == 0 || (*pCols)[0]->GetId() != HandleColumnId , "BrowseBox::InsertHandleColumn: there is already a handle column" );
    {
        BrowserColumns::iterator iCol = pCols->begin();
        const BrowserColumns::iterator colsEnd = pCols->end();
        if ( iCol < colsEnd )
            for (++iCol; iCol < colsEnd; ++iCol)
                OSL_ENSURE( (*iCol)->GetId() != HandleColumnId, "BrowseBox::InsertHandleColumn: there is a non-Handle column with handle ID" );
    }
#endif

    pCols->insert( pCols->begin(), new BrowserColumn( 0, Image(), String(), nWidth, GetZoom(), 0 ) );
    FreezeColumn( 0 );

    // adjust headerbar
    if ( getDataWindow()->pHeaderBar )
    {
        getDataWindow()->pHeaderBar->SetPosSizePixel(
                    Point(nWidth, 0),
                    Size( GetOutputSizePixel().Width() - nWidth, GetTitleHeight() )
                    );
    }

    ColumnInserted( 0 );
}

//-------------------------------------------------------------------

void BrowseBox::InsertDataColumn( sal_uInt16 nItemId, const XubString& rText,
        long nWidth, HeaderBarItemBits nBits, sal_uInt16 nPos )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    OSL_ENSURE( nItemId != HandleColumnId, "BrowseBox::InsertDataColumn: nItemId is HandleColumnId" );
    OSL_ENSURE( nItemId != BROWSER_INVALIDID, "BrowseBox::InsertDataColumn: nItemId is reserved value BROWSER_INVALIDID" );

#if OSL_DEBUG_LEVEL > 0
    {
        const BrowserColumns::iterator colsEnd = pCols->end();
        for (BrowserColumns::iterator iCol = pCols->begin(); iCol < colsEnd; ++iCol)
            OSL_ENSURE( (*iCol)->GetId() != nItemId, "BrowseBox::InsertDataColumn: duplicate column Id" );
    }
#endif

    if ( nPos < pCols->size() )
    {
        BrowserColumns::iterator it = pCols->begin();
        ::std::advance( it, nPos );
        pCols->insert( it, new BrowserColumn( nItemId, Image(), rText, nWidth, GetZoom(), nBits ) );
    }
    else
    {
        pCols->push_back( new BrowserColumn( nItemId, Image(), rText, nWidth, GetZoom(), nBits ) );
    }
    if ( nCurColId == 0 )
        nCurColId = nItemId;

    if ( getDataWindow()->pHeaderBar )
    {
        // Handle column not in the header bar
        sal_uInt16 nHeaderPos = nPos;
        if (nHeaderPos != HEADERBAR_APPEND && GetColumnId(0) == HandleColumnId )
            nHeaderPos--;
        getDataWindow()->pHeaderBar->InsertItem(
                nItemId, rText, nWidth, nBits, nHeaderPos );
    }
    ColumnInserted( nPos );
}

//-------------------------------------------------------------------
sal_uInt16 BrowseBox::ToggleSelectedColumn()
{
    sal_uInt16 nSelectedColId = BROWSER_INVALIDID;
    if ( pColSel && pColSel->GetSelectCount() )
    {
        DoHideCursor( "ToggleSelectedColumn" );
        ToggleSelection();
        nSelectedColId = (*pCols)[ pColSel->FirstSelected() ]->GetId();
        pColSel->SelectAll(sal_False);
    }
    return nSelectedColId;
}
// -----------------------------------------------------------------------------
void BrowseBox::SetToggledSelectedColumn(sal_uInt16 _nSelectedColumnId)
{
    if ( pColSel && _nSelectedColumnId != BROWSER_INVALIDID )
    {
        pColSel->Select( GetColumnPos( _nSelectedColumnId ) );
        ToggleSelection();
        OSL_TRACE( "BrowseBox: %p->SetToggledSelectedColumn", this );
        DoShowCursor( "SetToggledSelectedColumn" );
    }
}
// -----------------------------------------------------------------------------
void BrowseBox::FreezeColumn( sal_uInt16 nItemId, sal_Bool bFreeze )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // never unfreeze the handle-column
    if ( nItemId == HandleColumnId && !bFreeze )
        return;

    // get the position in the current array
    size_t nItemPos = GetColumnPos( nItemId );
    if ( nItemPos >= pCols->size() )
        // not available!
        return;

    // doesn't the state change?
    if ( (*pCols)[ nItemPos ]->IsFrozen() == bFreeze )
        return;

    // remark the column selection
    sal_uInt16 nSelectedColId = ToggleSelectedColumn();

    // freeze or unfreeze?
    if ( bFreeze )
    {
        // to be moved?
        if ( nItemPos != 0 && !(*pCols)[ nItemPos-1 ]->IsFrozen() )
        {
            // move to the right of the last frozen column
            sal_uInt16 nFirstScrollable = FrozenColCount();
            BrowserColumn *pColumn = (*pCols)[ nItemPos ];
            BrowserColumns::iterator it = pCols->begin();
            ::std::advance( it, nItemPos );
            pCols->erase( it );
            nItemPos = nFirstScrollable;
            it = pCols->begin();
            ::std::advance( it, nItemPos );
            pCols->insert( it, pColumn );
        }

        // adjust the number of the first scrollable and visible column
        if ( nFirstCol <= nItemPos )
            nFirstCol = nItemPos + 1;
    }
    else
    {
        // to be moved?
        if ( (sal_Int32)nItemPos != FrozenColCount()-1 )
        {
            // move to the leftmost scrollable colum
            sal_uInt16 nFirstScrollable = FrozenColCount();
            BrowserColumn *pColumn = (*pCols)[ nItemPos ];
            BrowserColumns::iterator it = pCols->begin();
            ::std::advance( it, nItemPos );
            pCols->erase( it );
            nItemPos = nFirstScrollable;
            it = pCols->begin();
            ::std::advance( it, nItemPos );
            pCols->insert( it, pColumn );
        }

        // adjust the number of the first scrollable and visible column
        nFirstCol = nItemPos;
    }

    // toggle the freeze-state of the column
    (*pCols)[ nItemPos ]->Freeze( bFreeze );

    // align the scrollbar-range
    UpdateScrollbars();

    // repaint
    Control::Invalidate();
    getDataWindow()->Invalidate();

    // remember the column selection
    SetToggledSelectedColumn(nSelectedColId);
}

//-------------------------------------------------------------------

void BrowseBox::SetColumnPos( sal_uInt16 nColumnId, sal_uInt16 nPos )
{
    // never set pos of the handle column
    if ( nColumnId == HandleColumnId )
        return;

    // get the position in the current array
    sal_uInt16 nOldPos = GetColumnPos( nColumnId );
    if ( nOldPos >= pCols->size() )
        // not available!
        return;

    // does the state change?
    if (nOldPos != nPos)
    {
        // remark the column selection
        sal_uInt16 nSelectedColId = ToggleSelectedColumn();

        // determine old column area
        Size aDataWinSize( pDataWin->GetSizePixel() );
        if ( getDataWindow()->pHeaderBar )
            aDataWinSize.Height() += getDataWindow()->pHeaderBar->GetSizePixel().Height();

        Rectangle aFromRect( GetFieldRect( nColumnId) );
        aFromRect.Right() += 2*MIN_COLUMNWIDTH;

        sal_uInt16 nNextPos = nOldPos + 1;
        if ( nOldPos > nPos )
            nNextPos = nOldPos - 1;

        BrowserColumn *pNextCol = (*pCols)[ nNextPos ];
        Rectangle aNextRect(GetFieldRect( pNextCol->GetId() ));

        // move column internally
        {
            BrowserColumns::iterator it = pCols->begin();
            ::std::advance( it, nOldPos );
            BrowserColumn* pTemp = *it;
            pCols->erase( it );
            it = pCols->begin();
            ::std::advance( it, nPos );
            pCols->insert( it, pTemp );
        }

        // determine new column area
        Rectangle aToRect( GetFieldRect( nColumnId ) );
        aToRect.Right() += 2*MIN_COLUMNWIDTH;

        // do scroll, let redraw
        if( pDataWin->GetBackground().IsScrollable() )
        {
            long nScroll = -aFromRect.GetWidth();
            Rectangle aScrollArea;
            if ( nOldPos > nPos )
            {
                long nFrozenWidth = GetFrozenWidth();
                if ( aToRect.Left() < nFrozenWidth )
                    aToRect.Left() = nFrozenWidth;
                aScrollArea = Rectangle(Point(aToRect.Left(),0),
                                        Point(aNextRect.Right(),aDataWinSize.Height()));
                nScroll *= -1; // reverse direction
            }
            else
                aScrollArea = Rectangle(Point(aNextRect.Left(),0),
                                        Point(aToRect.Right(),aDataWinSize.Height()));

            pDataWin->Scroll( nScroll, 0, aScrollArea );
            aToRect.Top() = 0;
            aToRect.Bottom() = aScrollArea.Bottom();
            Invalidate( aToRect );
        }
        else
            pDataWin->Window::Invalidate( INVALIDATE_NOCHILDREN );

        // adjust header bar positions
        if ( getDataWindow()->pHeaderBar )
        {
            sal_uInt16 nNewPos = nPos;
            if ( GetColumnId(0) == HandleColumnId )
                --nNewPos;
            getDataWindow()->pHeaderBar->MoveItem(nColumnId,nNewPos);
        }
        // remember the column selection
        SetToggledSelectedColumn(nSelectedColId);

        if ( isAccessibleAlive() )
        {
            commitTableEvent(
                TABLE_MODEL_CHANGED,
                makeAny( AccessibleTableModelChange(
                            DELETE,
                            0,
                            GetRowCount(),
                            nOldPos,
                            nOldPos
                        )
                ),
                Any()
            );

            commitTableEvent(
                TABLE_MODEL_CHANGED,
                makeAny( AccessibleTableModelChange(
                            INSERT,
                            0,
                            GetRowCount(),
                            nPos,
                            nPos
                        )
                ),
                Any()
            );
        }
    }

}

//-------------------------------------------------------------------

void BrowseBox::SetColumnTitle( sal_uInt16 nItemId, const String& rTitle )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // never set title of the handle-column
    if ( nItemId == HandleColumnId )
        return;

    // get the position in the current array
    sal_uInt16 nItemPos = GetColumnPos( nItemId );
    if ( nItemPos >= pCols->size() )
        // not available!
        return;

    // does the state change?
    BrowserColumn *pCol = (*pCols)[ nItemPos ];
    if ( pCol->Title() != rTitle )
    {
        ::rtl::OUString sNew(rTitle);
        ::rtl::OUString sOld(pCol->Title());

        pCol->Title() = rTitle;

        // adjust headerbar column
        if ( getDataWindow()->pHeaderBar )
            getDataWindow()->pHeaderBar->SetItemText( nItemId, rTitle );
        else
        {
            // redraw visible columns
            if ( GetUpdateMode() && ( pCol->IsFrozen() || nItemPos > nFirstCol ) )
                Invalidate( Rectangle( Point(0,0),
                    Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) );
        }

        if ( isAccessibleAlive() )
        {
            commitTableEvent(   TABLE_COLUMN_DESCRIPTION_CHANGED,
                makeAny( sNew ),
                makeAny( sOld )
            );
        }
    }
}

//-------------------------------------------------------------------

void BrowseBox::SetColumnWidth( sal_uInt16 nItemId, sal_uLong nWidth )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // get the position in the current array
    size_t nItemPos = GetColumnPos( nItemId );
    if ( nItemPos >= pCols->size() )
        return;

    // does the state change?
    nWidth = QueryColumnResize( nItemId, nWidth );
    if ( nWidth >= LONG_MAX || (*pCols)[ nItemPos ]->Width() != nWidth )
    {
        long nOldWidth = (*pCols)[ nItemPos ]->Width();

        // adjust last column, if necessary
        if ( IsVisible() && nItemPos == pCols->size() - 1 )
        {
            long nMaxWidth = pDataWin->GetSizePixel().Width();
            nMaxWidth -= getDataWindow()->bAutoSizeLastCol
                    ? GetFieldRect(nItemId).Left()
                    : GetFrozenWidth();
            if ( ( (BrowserDataWin*)pDataWin )->bAutoSizeLastCol || nWidth > (sal_uLong)nMaxWidth )
            {
                nWidth = nMaxWidth > 16 ? nMaxWidth : nOldWidth;
                nWidth = QueryColumnResize( nItemId, nWidth );
            }
        }

        // OV
        // In AutoSizeLastColumn(), we call SetColumnWidth with nWidth==0xffff.
        // Thus, check here, if the width has actually changed.
        if( (sal_uLong)nOldWidth == nWidth )
            return;

        // do we want to display the change immediately?
        sal_Bool bUpdate = GetUpdateMode() &&
                       ( (*pCols)[ nItemPos ]->IsFrozen() || nItemPos >= nFirstCol );

        if ( bUpdate )
        {
            // Selection hidden
            DoHideCursor( "SetColumnWidth" );
            ToggleSelection();
            //!getDataWindow()->Update();
            //!Control::Update();
        }

        // set width
        (*pCols)[ nItemPos ]->SetWidth(nWidth, GetZoom());

        // scroll and invalidate
        if ( bUpdate )
        {
            // get X-Pos of the column changed
            long nX = 0;
            for ( sal_uInt16 nCol = 0; nCol < nItemPos; ++nCol )
            {
                BrowserColumn *pCol = (*pCols)[ nCol ];
                if ( pCol->IsFrozen() || nCol >= nFirstCol )
                    nX += pCol->Width();
            }

            // actually scroll+invalidate
            pDataWin->SetClipRegion();
            sal_Bool bSelVis = bSelectionIsVisible;
            bSelectionIsVisible = sal_False;
            if( GetBackground().IsScrollable() )
            {

                Rectangle aScrRect( nX + std::min( (sal_uLong)nOldWidth, nWidth ), 0,
                                    GetSizePixel().Width() , // the header is longer than the datawin
                                    pDataWin->GetPosPixel().Y() - 1 );
                Control::Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS );
                aScrRect.Bottom() = pDataWin->GetSizePixel().Height();
                getDataWindow()->Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS );
                Rectangle aInvRect( nX, 0, nX + std::max( nWidth, (sal_uLong)nOldWidth ), USHRT_MAX );
                Control::Invalidate( aInvRect, INVALIDATE_NOCHILDREN );
                ( (BrowserDataWin*)pDataWin )->Invalidate( aInvRect );
            }
            else
            {
                Control::Invalidate( INVALIDATE_NOCHILDREN );
                getDataWindow()->Window::Invalidate( INVALIDATE_NOCHILDREN );
            }


            //!getDataWindow()->Update();
            //!Control::Update();
            bSelectionIsVisible = bSelVis;
            ToggleSelection();
            DoShowCursor( "SetColumnWidth" );
        }
        UpdateScrollbars();

        // adjust headerbar column
        if ( getDataWindow()->pHeaderBar )
            getDataWindow()->pHeaderBar->SetItemSize(
                    nItemId ? nItemId : USHRT_MAX - 1, nWidth );

        // adjust last column
        if ( nItemPos != pCols->size() - 1 )
            AutoSizeLastColumn();

    }
}

//-------------------------------------------------------------------

void BrowseBox::AutoSizeLastColumn()
{
    if ( getDataWindow()->bAutoSizeLastCol &&
         getDataWindow()->GetUpdateMode() )
    {
        sal_uInt16 nId = GetColumnId( (sal_uInt16)pCols->size() - 1 );
        SetColumnWidth( nId, LONG_MAX );
        ColumnResized( nId );
    }
}

//-------------------------------------------------------------------

void BrowseBox::RemoveColumn( sal_uInt16 nItemId )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // get column position
    sal_uInt16 nPos = GetColumnPos(nItemId);
    if ( nPos >= ColCount() )
        // not available
        return;

    // correct column selection
    if ( pColSel )
        pColSel->Remove( nPos );

    // correct column cursor
    if ( nCurColId == nItemId )
        nCurColId = 0;

    // delete column
    BrowserColumns::iterator it = pCols->begin();
    ::std::advance( it, nPos );
    delete *it;
    pCols->erase( it );
    if ( nFirstCol >= nPos && nFirstCol > FrozenColCount() )
    {
        OSL_ENSURE(nFirstCol > 0,"FirstCol must be greater zero!");
        --nFirstCol;
    }

    // handlecolumn not in headerbar
    if (nItemId)
    {
        if ( getDataWindow()->pHeaderBar )
            getDataWindow()->pHeaderBar->RemoveItem( nItemId );
    }
    else
    {
        // adjust headerbar
        if ( getDataWindow()->pHeaderBar )
        {
            getDataWindow()->pHeaderBar->SetPosSizePixel(
                        Point(0, 0),
                        Size( GetOutputSizePixel().Width(), GetTitleHeight() )
                        );
        }
    }

    // correct vertical scrollbar
    UpdateScrollbars();

    // trigger repaint, if necessary
    if ( GetUpdateMode() )
    {
        getDataWindow()->Invalidate();
        Control::Invalidate();
        if ( getDataWindow()->bAutoSizeLastCol && nPos ==ColCount() )
            SetColumnWidth( GetColumnId( nPos - 1 ), LONG_MAX );
    }

    if ( isAccessibleAlive() )
    {
        commitTableEvent(
            TABLE_MODEL_CHANGED,
            makeAny( AccessibleTableModelChange(    DELETE,
                                                    0,
                                                    GetRowCount(),
                                                    nPos,
                                                    nPos
                                               )
            ),
            Any()
        );

        commitHeaderBarEvent(
            CHILD,
            Any(),
            makeAny( CreateAccessibleColumnHeader( nPos ) ),
            sal_True
        );
    }
}

//-------------------------------------------------------------------

void BrowseBox::RemoveColumns()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    size_t nOldCount = pCols->size();

    // remove all columns
    for ( size_t i = 0; i < nOldCount; ++i )
        delete (*pCols)[ i ];
    pCols->clear();

    // correct column selection
    if ( pColSel )
    {
        pColSel->SelectAll(sal_False);
        pColSel->SetTotalRange( Range( 0, 0 ) );
    }

    // correct column cursor
    nCurColId = 0;
    nFirstCol = 0;

    if ( getDataWindow()->pHeaderBar )
        getDataWindow()->pHeaderBar->Clear( );

    // correct vertical scrollbar
    UpdateScrollbars();

    // trigger repaint if necessary
    if ( GetUpdateMode() )
    {
        getDataWindow()->Invalidate();
        Control::Invalidate();
    }

    if ( isAccessibleAlive() )
    {
        if ( pCols->size() != nOldCount )
        {
            // all columns should be removed, so we remove the column header bar and append it again
            // to avoid to notify every column remove
            commitBrowseBoxEvent(
                CHILD,
                Any(),
                makeAny(m_pImpl->getAccessibleHeaderBar(BBTYPE_COLUMNHEADERBAR))
            );

            // and now append it again
            commitBrowseBoxEvent(
                CHILD,
                makeAny(m_pImpl->getAccessibleHeaderBar(BBTYPE_COLUMNHEADERBAR)),
                Any()
            );

            // notify a table model change
            commitTableEvent(
                TABLE_MODEL_CHANGED,
                makeAny ( AccessibleTableModelChange( DELETE,
                                0,
                                GetRowCount(),
                                0,
                                nOldCount
                            )
                        ),
                Any()
            );
        }
    }
}

//-------------------------------------------------------------------

String BrowseBox::GetColumnTitle( sal_uInt16 nId ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    sal_uInt16 nItemPos = GetColumnPos( nId );
    if ( nItemPos >= pCols->size() )
        return String();
    return (*pCols)[ nItemPos ]->Title();
}

//-------------------------------------------------------------------

long BrowseBox::GetRowCount() const
{
    return nRowCount;
}

//-------------------------------------------------------------------

sal_uInt16 BrowseBox::ColCount() const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return (sal_uInt16) pCols->size();
}

//-------------------------------------------------------------------

long BrowseBox::ImpGetDataRowHeight() const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    BrowseBox *pThis = (BrowseBox*)this;
    pThis->nDataRowHeight = pThis->CalcReverseZoom(pDataWin->GetTextHeight() + 2);
    pThis->Resize();
    getDataWindow()->Invalidate();
    return nDataRowHeight;
}

//-------------------------------------------------------------------

void BrowseBox::SetDataRowHeight( long nPixel )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    nDataRowHeight = CalcReverseZoom(nPixel);
    Resize();
    getDataWindow()->Invalidate();
}

//-------------------------------------------------------------------

void BrowseBox::SetTitleLines( sal_uInt16 nLines )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    nTitleLines = nLines;
}

//-------------------------------------------------------------------

long BrowseBox::ScrollColumns( long nCols )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( nFirstCol + nCols < 0 ||
         nFirstCol + nCols >= (long)pCols->size() )
        return 0;

    // implicitly hides cursor while scrolling
    StartScroll();
    bScrolling = sal_True;
    sal_Bool bScrollable = pDataWin->GetBackground().IsScrollable();
    sal_Bool bInvalidateView = sal_False;

    // scrolling one column to the right?
    if ( nCols == 1 )
    {
        // update internal value and scrollbar
        ++nFirstCol;
        aHScroll.SetThumbPos( nFirstCol - FrozenColCount() );

        if ( !bScrollable )
        {
            bInvalidateView = sal_True;
        }
        else
        {
            long nDelta = (*pCols)[ nFirstCol-1 ]->Width();
            long nFrozenWidth = GetFrozenWidth();

            Rectangle aScrollRect(  Point( nFrozenWidth + nDelta, 0 ),
                                    Size ( GetOutputSizePixel().Width() - nFrozenWidth - nDelta,
                                           GetTitleHeight() - 1
                                         ) );

            // scroll the header bar area (if there is no dedicated HeaderBar control)
            if ( !getDataWindow()->pHeaderBar && nTitleLines )
            {
                // actually scroll
                Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS );

                // invalidate the area of the column which was scrolled out to the left hand side
                Rectangle aInvalidateRect( aScrollRect );
                aInvalidateRect.Left() = nFrozenWidth;
                aInvalidateRect.Right() = nFrozenWidth + nDelta - 1;
                Invalidate( aInvalidateRect );
            }

            // scroll the data-area
            aScrollRect.Bottom() = pDataWin->GetOutputSizePixel().Height();

            // actually scroll
            pDataWin->Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS );

            // invalidate the area of the column which was scrolled out to the left hand side
            aScrollRect.Left() = nFrozenWidth;
            aScrollRect.Right() = nFrozenWidth + nDelta - 1;
            getDataWindow()->Invalidate( aScrollRect );
        }
    }

    // scrolling one column to the left?
    else if ( nCols == -1 )
    {
        --nFirstCol;
        aHScroll.SetThumbPos( nFirstCol - FrozenColCount() );

        if ( !bScrollable )
        {
            bInvalidateView = sal_True;
        }
        else
        {
            long nDelta = (*pCols)[ nFirstCol ]->Width();
            long nFrozenWidth = GetFrozenWidth();

            Rectangle aScrollRect(  Point(  nFrozenWidth, 0 ),
                                    Size (  GetOutputSizePixel().Width() - nFrozenWidth,
                                            GetTitleHeight() - 1
                                         ) );

            // scroll the header bar area (if there is no dedicated HeaderBar control)
            if ( !getDataWindow()->pHeaderBar && nTitleLines )
            {
                Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS );
            }

            // scroll the data-area
            aScrollRect.Bottom() = pDataWin->GetOutputSizePixel().Height();
            pDataWin->Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS );
        }
    }
    else
    {
        if ( GetUpdateMode() )
        {
            Invalidate( Rectangle(
                Point( GetFrozenWidth(), 0 ),
                Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) );
            getDataWindow()->Invalidate( Rectangle(
                Point( GetFrozenWidth(), 0 ),
                pDataWin->GetSizePixel() ) );
        }

        nFirstCol = nFirstCol + (sal_uInt16)nCols;
        aHScroll.SetThumbPos( nFirstCol - FrozenColCount() );
    }

    // adjust external headerbar, if necessary
    if ( getDataWindow()->pHeaderBar )
    {
        long nWidth = 0;
        for ( size_t nCol = 0;
              nCol < pCols->size() && nCol < nFirstCol;
              ++nCol )
        {
            // not the handle column
            if ( (*pCols)[ nCol ]->GetId() )
                nWidth += (*pCols)[ nCol ]->Width();
        }

        getDataWindow()->pHeaderBar->SetOffset( nWidth );
    }

    if( bInvalidateView )
    {
        Control::Invalidate( INVALIDATE_NOCHILDREN );
        pDataWin->Window::Invalidate( INVALIDATE_NOCHILDREN );
    }

    // implicitly show cursor after scrolling
    if ( nCols )
    {
        getDataWindow()->Update();
        Update();
    }
    bScrolling = sal_False;
    EndScroll();

    return nCols;
}

//-------------------------------------------------------------------

long BrowseBox::ScrollRows( long nRows )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // out of range?
    if ( getDataWindow()->bNoScrollBack && nRows < 0 )
        return 0;

    // compute new top row
    long nTmpMin = Min( (long)(nTopRow + nRows), (long)(nRowCount - 1) );

    long nNewTopRow = Max( (long)nTmpMin, (long)0 );

    if ( nNewTopRow == nTopRow )
        return 0;

    sal_uInt16 nVisibleRows =
        (sal_uInt16)(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1);

    VisibleRowsChanged(nNewTopRow, nVisibleRows);

    // compute new top row again (nTopRow might have changed!)
    nTmpMin = Min( (long)(nTopRow + nRows), (long)(nRowCount - 1) );

    nNewTopRow = Max( (long)nTmpMin, (long)0 );

    StartScroll();

    // scroll area on screen and/or repaint
    long nDeltaY = GetDataRowHeight() * ( nNewTopRow - nTopRow );
    long nOldTopRow = nTopRow;
    nTopRow = nNewTopRow;

    if ( GetUpdateMode() )
    {
        pVScroll->SetRange( Range( 0L, nRowCount ) );
        pVScroll->SetThumbPos( nTopRow );

        if( pDataWin->GetBackground().IsScrollable() &&
            Abs( nDeltaY ) > 0 &&
            Abs( nDeltaY ) < pDataWin->GetSizePixel().Height() )
        {
            pDataWin->Scroll( 0, (short)-nDeltaY, SCROLL_FLAGS );
        }
        else
            getDataWindow()->Invalidate();

        if ( nTopRow - nOldTopRow )
            getDataWindow()->Update();
    }

    EndScroll();

    return nTopRow - nOldTopRow;
}

//-------------------------------------------------------------------

void BrowseBox::RowModified( long nRow, sal_uInt16 nColId )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( !GetUpdateMode() )
        return;

    Rectangle aRect;
    if ( nColId == BROWSER_INVALIDID )
        // invalidate the whole row
        aRect = Rectangle( Point( 0, (nRow-nTopRow) * GetDataRowHeight() ),
                    Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) );
    else
    {
        // invalidate the specific field
        aRect = GetFieldRectPixel( nRow, nColId, sal_False );
    }
    getDataWindow()->Invalidate( aRect );
}

//-------------------------------------------------------------------

void BrowseBox::Clear()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // adjust the total number of rows
    DoHideCursor( "Clear" );
    long nOldRowCount = nRowCount;
    nRowCount = 0;
    nCurRow = BROWSER_ENDOFSELECTION;
    nTopRow = 0;
    nCurColId = 0;

    // nFirstCol may not be reset, else the scrolling code will become confused.
    // nFirstCol may only be changed when adding or deleting columns
    // nFirstCol = 0; -> wrong!
    aHScroll.SetThumbPos( 0 );
    pVScroll->SetThumbPos( 0 );

    Invalidate();
    UpdateScrollbars();
    SetNoSelection();
    DoShowCursor( "Clear" );
    CursorMoved();

    if ( isAccessibleAlive() )
    {
        // all rows should be removed, so we remove the row header bar and append it again
        // to avoid to notify every row remove
        if ( nOldRowCount != nRowCount )
        {
            commitBrowseBoxEvent(
                CHILD,
                Any(),
                makeAny( m_pImpl->getAccessibleHeaderBar( BBTYPE_ROWHEADERBAR ) )
            );

            // and now append it again
            commitBrowseBoxEvent(
                CHILD,
                makeAny( m_pImpl->getAccessibleHeaderBar( BBTYPE_ROWHEADERBAR ) ),
                Any()
            );

            // notify a table model change
            commitTableEvent(
                TABLE_MODEL_CHANGED,
                makeAny( AccessibleTableModelChange( DELETE,
                    0,
                    nOldRowCount,
                    0,
                    GetColumnCount())
                ),
                Any()
            );
        }
    }
}
// -----------------------------------------------------------------------------
void BrowseBox::RowInserted( long nRow, long nNumRows, sal_Bool bDoPaint, sal_Bool bKeepSelection )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if (nRow < 0)
        nRow = 0;
    else if (nRow > nRowCount) // maximal = nRowCount
        nRow = nRowCount;

    if ( nNumRows <= 0 )
        return;

    // adjust total row count
    sal_Bool bLastRow = nRow >= nRowCount;
    nRowCount += nNumRows;

    DoHideCursor( "RowInserted" );

    // must we paint the new rows?
    long nOldCurRow = nCurRow;
    Size aSz = pDataWin->GetOutputSizePixel();
    if ( bDoPaint && nRow >= nTopRow &&
         nRow <= nTopRow + aSz.Height() / GetDataRowHeight() )
    {
        long nY = (nRow-nTopRow) * GetDataRowHeight();
        if ( !bLastRow )
        {
            // scroll down the rows behind the new row
            pDataWin->SetClipRegion();
            if( pDataWin->GetBackground().IsScrollable() )
            {
                pDataWin->Scroll( 0, GetDataRowHeight() * nNumRows,
                                Rectangle( Point( 0, nY ),
                                        Size( aSz.Width(), aSz.Height() - nY ) ),
                                SCROLL_FLAGS );
            }
            else
                pDataWin->Window::Invalidate( INVALIDATE_NOCHILDREN );
        }
        else
            // scroll would cause a repaint, so we must explicitly invalidate
            pDataWin->Invalidate( Rectangle( Point( 0, nY ),
                         Size( aSz.Width(), nNumRows * GetDataRowHeight() ) ) );
    }

    // correct top row if necessary
    if ( nRow < nTopRow )
        nTopRow += nNumRows;

    // adjust the selection
    if ( bMultiSelection )
        uRow.pSel->Insert( nRow, nNumRows );
    else if ( uRow.nSel != BROWSER_ENDOFSELECTION && nRow <= uRow.nSel )
        uRow.nSel += nNumRows;

    // adjust the cursor
    if ( nCurRow == BROWSER_ENDOFSELECTION )
        GoToRow( 0, sal_False, bKeepSelection );
    else if ( nRow <= nCurRow )
        GoToRow( nCurRow += nNumRows, sal_False, bKeepSelection );

    // adjust the vertical scrollbar
    if ( bDoPaint )
    {
        UpdateScrollbars();
        AutoSizeLastColumn();
    }

    DoShowCursor( "RowInserted" );
    // notify accessible that rows were inserted
    if ( isAccessibleAlive() )
    {
        commitTableEvent(
            TABLE_MODEL_CHANGED,
            makeAny( AccessibleTableModelChange(
                        INSERT,
                        nRow,
                        nRow + nNumRows,
                        0,
                        GetColumnCount()
                    )
            ),
            Any()
        );

        for (sal_Int32 i = nRow+1 ; i <= nRowCount ; ++i)
        {
            commitHeaderBarEvent(
                CHILD,
                makeAny( CreateAccessibleRowHeader( i ) ),
                Any(),
                sal_False
            );
        }
    }

    if ( nCurRow != nOldCurRow )
        CursorMoved();

    DBG_ASSERT(nRowCount > 0,"BrowseBox: nRowCount <= 0");
    DBG_ASSERT(nCurRow >= 0,"BrowseBox: nCurRow < 0");
    DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount");
}

//-------------------------------------------------------------------

void BrowseBox::RowRemoved( long nRow, long nNumRows, sal_Bool bDoPaint )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( nRow < 0 )
        nRow = 0;
    else if ( nRow >= nRowCount )
        nRow = nRowCount - 1;

    if ( nNumRows <= 0 )
        return;

    if ( nRowCount <= 0 )
        return;

    if ( bDoPaint )
    {
        // hide cursor and selection
        OSL_TRACE( "BrowseBox: %p->HideCursor", this );
        ToggleSelection();
        DoHideCursor( "RowRemoved" );
    }

    // adjust total row count
    nRowCount -= nNumRows;
    if (nRowCount < 0) nRowCount = 0;
    long nOldCurRow = nCurRow;

    // adjust the selection
    if ( bMultiSelection )
        // uRow.pSel->Remove( nRow, nNumRows );
        for ( long i = 0; i < nNumRows; i++ )
            uRow.pSel->Remove( nRow );
    else if ( nRow < uRow.nSel && uRow.nSel >= nNumRows )
        uRow.nSel -= nNumRows;
    else if ( nRow <= uRow.nSel )
        uRow.nSel = BROWSER_ENDOFSELECTION;

    // adjust the cursor
    if ( nRowCount == 0 )   // don't compare nRowCount with nNumRows as nNumRows already was subtracted from nRowCount
        nCurRow = BROWSER_ENDOFSELECTION;
    else if ( nRow < nCurRow )
    {
        nCurRow -= Min( nCurRow - nRow, nNumRows );
        // with the above nCurRow points a) to the first row after the removed block or b) to the same line
        // as before, but moved up nNumRows
        // case a) needs an additional correction if the last n lines were deleted, as 'the first row after the
        // removed block' is an invalid position then
        // FS - 09/28/99 - 68429
        if (nCurRow == nRowCount)
            --nCurRow;
    }
    else if( nRow == nCurRow && nCurRow == nRowCount )
        nCurRow = nRowCount-1;

    // is the deleted row visible?
    Size aSz = pDataWin->GetOutputSizePixel();
    if ( nRow >= nTopRow &&
         nRow <= nTopRow + aSz.Height() / GetDataRowHeight() )
    {
        if ( bDoPaint )
        {
            // scroll up the rows behind the deleted row
            // if there are Rows behind
            if (nRow < nRowCount)
            {
                long nY = (nRow-nTopRow) * GetDataRowHeight();
                pDataWin->SetClipRegion();
                if( pDataWin->GetBackground().IsScrollable() )
                {
                    pDataWin->Scroll( 0, - (short) GetDataRowHeight() * nNumRows,
                        Rectangle( Point( 0, nY ), Size( aSz.Width(),
                            aSz.Height() - nY + nNumRows*GetDataRowHeight() ) ),
                            SCROLL_FLAGS );
                }
                else
                    pDataWin->Window::Invalidate( INVALIDATE_NOCHILDREN );
            }
            else
            {
                // Repaint the Rect of the deleted row
                Rectangle aRect(
                        Point( 0, (nRow-nTopRow)*GetDataRowHeight() ),
                        Size( pDataWin->GetSizePixel().Width(),
                              nNumRows * GetDataRowHeight() ) );
                pDataWin->Invalidate( aRect );
            }
        }
    }
    // is the deleted row above of the visible area?
    else if ( nRow < nTopRow )
        nTopRow = nTopRow >= nNumRows ? nTopRow-nNumRows : 0;

    if ( bDoPaint )
    {
        // reshow cursor and selection
        ToggleSelection();
        OSL_TRACE( "BrowseBox: %p->ShowCursor", this );
        DoShowCursor( "RowRemoved" );

        // adjust the vertical scrollbar
        UpdateScrollbars();
        AutoSizeLastColumn();
    }

    if ( isAccessibleAlive() )
    {
        if ( nRowCount == 0 )
        {
            // all columns should be removed, so we remove the column header bar and append it again
            // to avoid to notify every column remove
            commitBrowseBoxEvent(
                CHILD,
                Any(),
                makeAny( m_pImpl->getAccessibleHeaderBar( BBTYPE_ROWHEADERBAR ) )
            );

            // and now append it again
            commitBrowseBoxEvent(
                CHILD,
                makeAny(m_pImpl->getAccessibleHeaderBar(BBTYPE_ROWHEADERBAR)),
                Any()
            );
            commitBrowseBoxEvent(
                CHILD,
                Any(),
                makeAny( m_pImpl->getAccessibleTable() )
            );

            // and now append it again
            commitBrowseBoxEvent(
                CHILD,
                makeAny( m_pImpl->getAccessibleTable() ),
                Any()
            );
        }
        else
        {
            commitTableEvent(
                TABLE_MODEL_CHANGED,
                makeAny( AccessibleTableModelChange(
                            DELETE,
                            nRow,
                            nRow + nNumRows,
                            0,
                            GetColumnCount()
                            )
                ),
                Any()
            );

            for (sal_Int32 i = nRow+1 ; i <= (nRow+nNumRows) ; ++i)
            {
                commitHeaderBarEvent(
                    CHILD,
                    Any(),
                    makeAny( CreateAccessibleRowHeader( i ) ),
                    sal_False
                );
            }
        }
    }

    if ( nOldCurRow != nCurRow )
        CursorMoved();

    DBG_ASSERT(nRowCount >= 0,"BrowseBox: nRowCount < 0");
    DBG_ASSERT(nCurRow >= 0 || nRowCount == 0,"BrowseBox: nCurRow < 0 && nRowCount != 0");
    DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount");
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::GoToRow( long nRow)
{
    return GoToRow(nRow, sal_False, sal_False);
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::GoToRow( long nRow, sal_Bool bRowColMove, sal_Bool bKeepSelection )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    long nOldCurRow = nCurRow;

    // nothing to do?
    if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) )
        return sal_True;

    // out of range?
    if ( nRow < 0 || nRow >= nRowCount )
        return sal_False;

    // not allowed?
    if ( ( !bRowColMove && !IsCursorMoveAllowed( nRow, nCurColId ) ) )
        return sal_False;

    if ( getDataWindow()->bNoScrollBack && nRow < nTopRow )
        nRow = nTopRow;

    // compute the last visible row
    Size aSz( pDataWin->GetSizePixel() );
    sal_uInt16 nVisibleRows = sal_uInt16( aSz.Height() / GetDataRowHeight() - 1 );
    long nLastRow = nTopRow + nVisibleRows;

    // suspend Updates
    getDataWindow()->EnterUpdateLock();

    // remove old highlight, if necessary
    if ( !bMultiSelection && !bKeepSelection )
        ToggleSelection();
    DoHideCursor( "GoToRow" );

    // must we scroll?
    sal_Bool bWasVisible = bSelectionIsVisible;
    if (! bMultiSelection)
    {
        if( !bKeepSelection )
            bSelectionIsVisible = sal_False;
    }
    if ( nRow < nTopRow )
        ScrollRows( nRow - nTopRow );
    else if ( nRow > nLastRow )
        ScrollRows( nRow - nLastRow );
    bSelectionIsVisible = bWasVisible;

    // adjust cursor (selection) and thumb
    if ( GetUpdateMode() )
        pVScroll->SetThumbPos( nTopRow );

    // relative positioning (because nCurRow might have changed in the meantime)!
    if (nCurRow != BROWSER_ENDOFSELECTION )
        nCurRow = nCurRow + (nRow - nOldCurRow);

    // make sure that the current position is valid
    if (nCurRow == BROWSER_ENDOFSELECTION && nRowCount > 0)
        nCurRow = 0;
    else if ( nCurRow >= nRowCount )
        nCurRow = nRowCount - 1;
    aSelRange = Range( nCurRow, nCurRow );

    // display new highlight if necessary
    if ( !bMultiSelection && !bKeepSelection )
        uRow.nSel = nRow;

    // resume Updates
    getDataWindow()->LeaveUpdateLock();

    // Cursor+Highlight
    if ( !bMultiSelection && !bKeepSelection)
        ToggleSelection();
    DoShowCursor( "GoToRow" );
    if ( !bRowColMove  && nOldCurRow != nCurRow )
        CursorMoved();

    if ( !bMultiSelection && !bKeepSelection )
    {
        if ( !bSelecting )
            Select();
        else
            bSelect = sal_True;
    }
    return sal_True;
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::GoToColumnId( sal_uInt16 nColId)
{
    return GoToColumnId(nColId,sal_True,sal_False);
}


sal_Bool BrowseBox::GoToColumnId( sal_uInt16 nColId, sal_Bool bMakeVisible, sal_Bool bRowColMove)
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if (!bColumnCursor)
        return sal_False;

    // allowed?
    if (!bRowColMove && !IsCursorMoveAllowed( nCurRow, nColId ) )
        return sal_False;

    if ( nColId != nCurColId || (bMakeVisible && !IsFieldVisible(nCurRow, nColId, sal_True)))
    {
        sal_uInt16 nNewPos = GetColumnPos(nColId);
        BrowserColumn* pColumn = (nNewPos < pCols->size()) ? (*pCols)[ nNewPos ] : NULL;
        DBG_ASSERT( pColumn, "no column object - invalid id?" );
        if ( !pColumn )
            return sal_False;

        DoHideCursor( "GoToColumnId" );
        nCurColId = nColId;

        sal_uInt16 nFirstPos = nFirstCol;
        sal_uInt16 nWidth = (sal_uInt16)pColumn->Width();
        sal_uInt16 nLastPos = GetColumnAtXPosPixel(
                            pDataWin->GetSizePixel().Width()-nWidth, sal_False );
        sal_uInt16 nFrozen = FrozenColCount();
        if ( bMakeVisible && nLastPos &&
             nNewPos >= nFrozen && ( nNewPos < nFirstPos || nNewPos > nLastPos ) )
        {
            if ( nNewPos < nFirstPos )
                ScrollColumns( nNewPos-nFirstPos );
            else if ( nNewPos > nLastPos )
                ScrollColumns( nNewPos-nLastPos );
        }

        DoShowCursor( "GoToColumnId" );
        if (!bRowColMove)
            CursorMoved();
        return sal_True;
    }
    return sal_True;
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::GoToRowColumnId( long nRow, sal_uInt16 nColId )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // out of range?
    if ( nRow < 0 || nRow >= nRowCount )
        return sal_False;

    if (!bColumnCursor)
        return sal_False;

    // nothing to do ?
    if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) &&
         nColId == nCurColId && IsFieldVisible(nCurRow, nColId, sal_True))
        return sal_True;

    // allowed?
    if (!IsCursorMoveAllowed(nRow, nColId))
        return sal_False;

    DoHideCursor( "GoToRowColumnId" );
    sal_Bool bMoved = GoToRow(nRow, sal_True) && GoToColumnId(nColId, sal_True, sal_True);
    DoShowCursor( "GoToRowColumnId" );

    if (bMoved)
        CursorMoved();

    return bMoved;
}

//-------------------------------------------------------------------

void BrowseBox::SetNoSelection()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // is there no selection
    if ( ( !pColSel || !pColSel->GetSelectCount() ) &&
         ( ( !bMultiSelection && uRow.nSel == BROWSER_ENDOFSELECTION ) ||
           ( bMultiSelection && !uRow.pSel->GetSelectCount() ) ) )
        // nothing to do
        return;

    OSL_TRACE( "BrowseBox: %p->HideCursor", this );
    ToggleSelection();

    // unselect all
    if ( bMultiSelection )
        uRow.pSel->SelectAll(sal_False);
    else
        uRow.nSel = BROWSER_ENDOFSELECTION;
    if ( pColSel )
        pColSel->SelectAll(sal_False);
    if ( !bSelecting )
        Select();
    else
        bSelect = sal_True;

    // restore screen
    OSL_TRACE( "BrowseBox: %p->ShowCursor", this );

    if ( isAccessibleAlive() )
    {
        commitTableEvent(
            SELECTION_CHANGED,
            Any(),
            Any()
        );
    }
}

//-------------------------------------------------------------------

void BrowseBox::SelectAll()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( !bMultiSelection )
        return;

    OSL_TRACE( "BrowseBox: %p->HideCursor", this );
    ToggleSelection();

    // select all rows
    if ( pColSel )
        pColSel->SelectAll(sal_False);
    uRow.pSel->SelectAll(sal_True);

    // don't highlight handle column
    BrowserColumn *pFirstCol = (*pCols)[ 0 ];
    long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width();

    // highlight the row selection
    if ( !bHideSelect )
    {
        Rectangle aHighlightRect;
        sal_uInt16 nVisibleRows =
            (sal_uInt16)(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1);
        for ( long nRow = Max( nTopRow, uRow.pSel->FirstSelected() );
              nRow != BROWSER_ENDOFSELECTION && nRow < nTopRow + nVisibleRows;
              nRow = uRow.pSel->NextSelected() )
            aHighlightRect.Union( Rectangle(
                Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ),
                Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) ) );
        pDataWin->Invalidate( aHighlightRect );
    }

    if ( !bSelecting )
        Select();
    else
        bSelect = sal_True;

    // restore screen
    OSL_TRACE( "BrowseBox: %p->ShowCursor", this );

    if ( isAccessibleAlive() )
    {
        commitTableEvent(
            SELECTION_CHANGED,
            Any(),
            Any()
        );
        commitHeaderBarEvent(
            SELECTION_CHANGED,
            Any(),
            Any(),
            sal_True
        ); // column header event

        commitHeaderBarEvent(
            SELECTION_CHANGED,
            Any(),
            Any(),
            sal_False
        ); // row header event
    }
}

//-------------------------------------------------------------------

void BrowseBox::SelectRow( long nRow, sal_Bool _bSelect, sal_Bool bExpand )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( !bMultiSelection )
    {
        // deselecting is impossible, selecting via cursor
        if ( _bSelect )
            GoToRow(nRow, sal_False);
        return;
    }

    OSL_TRACE( "BrowseBox: %p->HideCursor", this );

    // remove old selection?
    if ( !bExpand || !bMultiSelection )
    {
        ToggleSelection();
        if ( bMultiSelection )
            uRow.pSel->SelectAll(sal_False);
        else
            uRow.nSel = BROWSER_ENDOFSELECTION;
        if ( pColSel )
            pColSel->SelectAll(sal_False);
    }

    // set new selection
    if  (   !bHideSelect
        &&  (   (   bMultiSelection
                &&  uRow.pSel->GetTotalRange().Max() >= nRow
                &&  uRow.pSel->Select( nRow, _bSelect )
                )
            ||  (   !bMultiSelection
                &&  ( uRow.nSel = nRow ) != BROWSER_ENDOFSELECTION )
                )
            )
    {
        // don't highlight handle column
        BrowserColumn *pFirstCol = (*pCols)[ 0 ];
        long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width();

        // highlight only newly selected part
        Rectangle aRect(
            Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ),
            Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) );
        pDataWin->Invalidate( aRect );
    }

    if ( !bSelecting )
        Select();
    else
        bSelect = sal_True;

    // restore screen
    OSL_TRACE( "BrowseBox: %p->ShowCursor", this );

    if ( isAccessibleAlive() )
    {
        commitTableEvent(
            SELECTION_CHANGED,
            Any(),
            Any()
        );
        commitHeaderBarEvent(
            SELECTION_CHANGED,
            Any(),
            Any(),
            sal_False
        ); // row header event
    }
}

//-------------------------------------------------------------------

long BrowseBox::GetSelectRowCount() const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return bMultiSelection ? uRow.pSel->GetSelectCount() :
           uRow.nSel == BROWSER_ENDOFSELECTION ? 0 : 1;
}

//-------------------------------------------------------------------

void BrowseBox::SelectColumnPos( sal_uInt16 nNewColPos, sal_Bool _bSelect, sal_Bool bMakeVisible )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( !bColumnCursor || nNewColPos == BROWSER_INVALIDID )
        return;

    if ( !bMultiSelection )
    {
        if ( _bSelect )
            GoToColumnId( (*pCols)[ nNewColPos ]->GetId(), bMakeVisible );
        return;
    }
    else
    {
        if ( !GoToColumnId( (*pCols)[ nNewColPos ]->GetId(), bMakeVisible ) )
            return;
    }

    OSL_TRACE( "BrowseBox: %p->HideCursor", this );
    ToggleSelection();
    if ( bMultiSelection )
        uRow.pSel->SelectAll(sal_False);
    else
        uRow.nSel = BROWSER_ENDOFSELECTION;
    pColSel->SelectAll(sal_False);

    if ( pColSel->Select( nNewColPos, _bSelect ) )
    {
        // GoToColumnId( pCols->GetObject(nNewColPos)->GetId(), bMakeVisible );

        // only highlight painted areas
        pDataWin->Update();
        Rectangle aFieldRectPix( GetFieldRectPixel( nCurRow, nCurColId, sal_False ) );
        Rectangle aRect(
            Point( aFieldRectPix.Left() - MIN_COLUMNWIDTH, 0 ),
            Size( (*pCols)[ nNewColPos ]->Width(),
                  pDataWin->GetOutputSizePixel().Height() ) );
        pDataWin->Invalidate( aRect );
        if ( !bSelecting )
            Select();
        else
            bSelect = sal_True;

        if ( isAccessibleAlive() )
        {
            commitTableEvent(
                SELECTION_CHANGED,
                Any(),
                Any()
            );
            commitHeaderBarEvent(
                SELECTION_CHANGED,
                Any(),
                Any(),
                sal_True
            ); // column header event
        }
    }

    // restore screen
    OSL_TRACE( "BrowseBox: %p->ShowCursor", this );
}

//-------------------------------------------------------------------

sal_uInt16 BrowseBox::GetSelectColumnCount() const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // while bAutoSelect (==!pColSel), 1 if any rows (yes rows!) else none
    return pColSel ? (sal_uInt16) pColSel->GetSelectCount() :
           nCurRow >= 0 ? 1 : 0;
}

//-------------------------------------------------------------------
long BrowseBox::FirstSelectedColumn( ) const
{
    return pColSel ? pColSel->FirstSelected() : BROWSER_ENDOFSELECTION;
}

//-------------------------------------------------------------------

long BrowseBox::FirstSelectedRow( sal_Bool bInverse )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return bMultiSelection ? uRow.pSel->FirstSelected(bInverse) : uRow.nSel;
}

//-------------------------------------------------------------------

long BrowseBox::NextSelectedRow()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return bMultiSelection ? uRow.pSel->NextSelected() : BROWSER_ENDOFSELECTION;
}

//-------------------------------------------------------------------

long BrowseBox::LastSelectedRow()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return bMultiSelection ? uRow.pSel->LastSelected() : uRow.nSel;
}

//-------------------------------------------------------------------

bool BrowseBox::IsRowSelected( long nRow ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return bMultiSelection ? uRow.pSel->IsSelected(nRow) : nRow == uRow.nSel;
}

//-------------------------------------------------------------------

bool BrowseBox::IsColumnSelected( sal_uInt16 nColumnId ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return pColSel ? pColSel->IsSelected( GetColumnPos(nColumnId) ) :
                     nCurColId == nColumnId;
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::MakeFieldVisible
(
    long    nRow,       // line number of the field (starting with 0)
    sal_uInt16  nColId,     // column ID of the field
    sal_Bool    bComplete   // (== sal_False), sal_True => make visible in its entirety
)

/*  [Description]

    Makes visible the field described in 'nRow' and 'nColId' by scrolling
    accordingly. If 'bComplete' is set, the field should become visible in its
    entirety.

    [Returned Value]

    sal_Bool        sal_True
                    The given field is already visible or was already visible.

                    sal_False
                    The given field could not be made visible or in the case of
                    'bComplete' could not be made visible in its entirety.
*/

{
    Size aTestSize = pDataWin->GetSizePixel();

    if ( !bBootstrapped ||
         ( aTestSize.Width() == 0 && aTestSize.Height() == 0 ) )
        return sal_False;

    // is it visible already?
    sal_Bool bVisible = IsFieldVisible( nRow, nColId, bComplete );
    if ( bVisible )
        return sal_True;

    // calculate column position, field rectangle and painting area
    sal_uInt16 nColPos = GetColumnPos( nColId );
    Rectangle aFieldRect = GetFieldRectPixel( nRow, nColId, sal_False );
    Rectangle aDataRect = Rectangle( Point(0, 0), pDataWin->GetSizePixel() );

    // positioned outside on the left?
    if ( nColPos >= FrozenColCount() && nColPos < nFirstCol )
        // => scroll to the right
        ScrollColumns( nColPos - nFirstCol );

    // while outside on the right
    while ( aDataRect.Right() < ( bComplete
                ? aFieldRect.Right()
                : aFieldRect.Left()+aFieldRect.GetWidth()/2 ) )
    {
        // => scroll to the left
        if ( ScrollColumns( 1 ) != 1 )
            // no more need to scroll
            break;
        aFieldRect = GetFieldRectPixel( nRow, nColId, sal_False );
    }

    // positioned outside above?
    if ( nRow < nTopRow )
        // scroll further to the bottom
        ScrollRows( nRow - nTopRow );

    // positioned outside below?
    long nBottomRow = nTopRow + GetVisibleRows();
    // decrement nBottomRow to make it the number of the last visible line
    // (count starts with 0!).
    // Example: BrowseBox contains exactly one entry. nBottomRow := 0 + 1 - 1
    if( nBottomRow )
        nBottomRow--;

    if ( nRow > nBottomRow )
        // scroll further to the top
        ScrollRows( nRow - nBottomRow );

    // it might still not actually fit, e.g. if the window is too small
    return IsFieldVisible( nRow, nColId, bComplete );
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::IsFieldVisible( long nRow, sal_uInt16 nColumnId,
                                sal_Bool bCompletely ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // hidden by frozen column?
    sal_uInt16 nColPos = GetColumnPos( nColumnId );
    if ( nColPos >= FrozenColCount() && nColPos < nFirstCol )
        return sal_False;

    Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) );
    if ( aRect.IsEmpty() )
        return sal_False;

    // get the visible area
    Rectangle aOutRect( Point(0, 0), pDataWin->GetOutputSizePixel() );

    if ( bCompletely )
        // test if the field is completely visible
        return aOutRect.IsInside( aRect );
    else
        // test if the field is partly of completely visible
        return !aOutRect.Intersection( aRect ).IsEmpty();
}

//-------------------------------------------------------------------

Rectangle BrowseBox::GetFieldRectPixel( long nRow, sal_uInt16 nColumnId,
                                        sal_Bool bRelToBrowser) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // get the rectangle relative to DataWin
    Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) );
    if ( aRect.IsEmpty() )
        return aRect;

    // adjust relative to BrowseBox's output area
    Point aTopLeft( aRect.TopLeft() );
    if ( bRelToBrowser )
    {
        aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft );
        aTopLeft = ScreenToOutputPixel( aTopLeft );
    }

    return Rectangle( aTopLeft, aRect.GetSize() );
}

//-------------------------------------------------------------------

Rectangle BrowseBox::GetRowRectPixel( long nRow, sal_Bool bRelToBrowser  ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // get the rectangle relative to DataWin
    Rectangle aRect;
    if ( nTopRow > nRow )
        // row is above visible area
        return aRect;
    aRect = Rectangle(
        Point( 0, GetDataRowHeight() * (nRow-nTopRow) ),
        Size( pDataWin->GetOutputSizePixel().Width(), GetDataRowHeight() ) );
    if ( aRect.TopLeft().Y() > pDataWin->GetOutputSizePixel().Height() )
        // row is below visible area
        return aRect;

    // adjust relative to BrowseBox's output area
    Point aTopLeft( aRect.TopLeft() );
    if ( bRelToBrowser )
    {
        aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft );
        aTopLeft = ScreenToOutputPixel( aTopLeft );
    }

    return Rectangle( aTopLeft, aRect.GetSize() );
}

//-------------------------------------------------------------------

Rectangle BrowseBox::ImplFieldRectPixel( long nRow, sal_uInt16 nColumnId ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // compute the X-coordinate relative to DataWin by accumulation
    long nColX = 0;
    sal_uInt16 nFrozenCols = FrozenColCount();
    size_t nCol;
    for ( nCol = 0;
          nCol < pCols->size() && (*pCols)[ nCol ]->GetId() != nColumnId;
          ++nCol )
        if ( (*pCols)[ nCol ]->IsFrozen() || nCol >= nFirstCol )
            nColX += (*pCols)[ nCol ]->Width();

    if ( nCol >= pCols->size() || ( nCol >= nFrozenCols && nCol < nFirstCol ) )
        return Rectangle();

    // compute the Y-coordinate relative to DataWin
    long nRowY = GetDataRowHeight();
    if ( nRow != BROWSER_ENDOFSELECTION ) // #105497# OJ
        nRowY = ( nRow - nTopRow ) * GetDataRowHeight();

    // assemble the Rectangle relative to DataWin
    return Rectangle(
        Point( nColX + MIN_COLUMNWIDTH, nRowY ),
        Size( (*pCols)[ nCol ]->Width() - 2*MIN_COLUMNWIDTH,
              GetDataRowHeight() - 1 ) );
}

//-------------------------------------------------------------------

long BrowseBox::GetRowAtYPosPixel( long nY, sal_Bool bRelToBrowser ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // compute the Y-coordinate
    if ( bRelToBrowser )
    {
        Point aDataTopLeft = pDataWin->OutputToScreenPixel( Point(0, 0) );
        Point aTopLeft = OutputToScreenPixel( Point(0, 0) );
        nY -= aDataTopLeft.Y() - aTopLeft.Y();
    }

    // no row there (e.g. in the header)
    if ( nY < 0 || nY >= pDataWin->GetOutputSizePixel().Height() )
        return -1;

    return nY / GetDataRowHeight() + nTopRow;
}

//-------------------------------------------------------------------

Rectangle BrowseBox::GetFieldRect( sal_uInt16 nColumnId ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return GetFieldRectPixel( nCurRow, nColumnId );
}

//-------------------------------------------------------------------

sal_uInt16 BrowseBox::GetColumnAtXPosPixel( long nX, sal_Bool ) const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // accumulate the widths of the visible columns
    long nColX = 0;
    for ( size_t nCol = 0; nCol < pCols->size(); ++nCol )
    {
        BrowserColumn *pCol = (*pCols)[ nCol ];
        if ( pCol->IsFrozen() || nCol >= nFirstCol )
            nColX += pCol->Width();

        if ( nColX > nX )
            return nCol;
    }

    return BROWSER_INVALIDID;
}

//-------------------------------------------------------------------

void BrowseBox::ReserveControlArea( sal_uInt16 nWidth )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( nWidth != nControlAreaWidth )
    {
        OSL_ENSURE(nWidth,"Control area of 0 is not allowed, Use USHRT_MAX instead!");
        nControlAreaWidth = nWidth;
        UpdateScrollbars();
    }
}

//-------------------------------------------------------------------

Rectangle BrowseBox::GetControlArea() const
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    return Rectangle(
        Point( 0, GetOutputSizePixel().Height() - aHScroll.GetSizePixel().Height() ),
        Size( GetOutputSizePixel().Width() - aHScroll.GetSizePixel().Width(),
             aHScroll.GetSizePixel().Height() ) );
}

//-------------------------------------------------------------------

void BrowseBox::SetMode( BrowserMode nMode )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    getDataWindow()->bAutoHScroll = BROWSER_AUTO_HSCROLL == ( nMode & BROWSER_AUTO_HSCROLL );
    getDataWindow()->bAutoVScroll = BROWSER_AUTO_VSCROLL == ( nMode & BROWSER_AUTO_VSCROLL );
    getDataWindow()->bNoHScroll   = BROWSER_NO_HSCROLL   == ( nMode & BROWSER_NO_HSCROLL );
    getDataWindow()->bNoVScroll   = BROWSER_NO_VSCROLL   == ( nMode & BROWSER_NO_VSCROLL );

    DBG_ASSERT( !( getDataWindow()->bAutoHScroll && getDataWindow()->bNoHScroll ),
        "BrowseBox::SetMode: AutoHScroll *and* NoHScroll?" );
    DBG_ASSERT( !( getDataWindow()->bAutoVScroll && getDataWindow()->bNoVScroll ),
        "BrowseBox::SetMode: AutoVScroll *and* NoVScroll?" );
    if ( getDataWindow()->bAutoHScroll )
        getDataWindow()->bNoHScroll = sal_False;
    if ( getDataWindow()->bAutoVScroll )
        getDataWindow()->bNoVScroll = sal_False;

    if ( getDataWindow()->bNoHScroll )
        aHScroll.Hide();

    nControlAreaWidth = USHRT_MAX;

    getDataWindow()->bNoScrollBack =
            BROWSER_NO_SCROLLBACK == ( nMode & BROWSER_NO_SCROLLBACK);

    long nOldRowSel = bMultiSelection ? uRow.pSel->FirstSelected() : uRow.nSel;
    MultiSelection *pOldRowSel = bMultiSelection ? uRow.pSel : 0;
    MultiSelection *pOldColSel = pColSel;

    delete pVScroll;

    bThumbDragging = ( nMode & BROWSER_THUMBDRAGGING ) == BROWSER_THUMBDRAGGING;
    bMultiSelection = ( nMode & BROWSER_MULTISELECTION ) == BROWSER_MULTISELECTION;
    bColumnCursor = ( nMode & BROWSER_COLUMNSELECTION ) == BROWSER_COLUMNSELECTION;
    bKeepHighlight = ( nMode & BROWSER_KEEPSELECTION ) == BROWSER_KEEPSELECTION;

    bHideSelect = ((nMode & BROWSER_HIDESELECT) == BROWSER_HIDESELECT);
    // default: do not hide the cursor at all (untaken scrolling and such)
    bHideCursor = NO_CURSOR_HIDE;

    if ( BROWSER_SMART_HIDECURSOR == ( nMode & BROWSER_SMART_HIDECURSOR ) )
    {   // smart cursor hide overrules hard cursor hide
        bHideCursor = SMART_CURSOR_HIDE;
    }
    else if ( BROWSER_HIDECURSOR == ( nMode & BROWSER_HIDECURSOR ) )
    {
        bHideCursor = HARD_CURSOR_HIDE;
    }

    m_bFocusOnlyCursor = ((nMode & BROWSER_CURSOR_WO_FOCUS) == 0);

    bHLines = ( nMode & BROWSER_HLINESFULL ) == BROWSER_HLINESFULL;
    bVLines = ( nMode & BROWSER_VLINESFULL ) == BROWSER_VLINESFULL;
    bHDots  = ( nMode & BROWSER_HLINESDOTS ) == BROWSER_HLINESDOTS;
    bVDots  = ( nMode & BROWSER_VLINESDOTS ) == BROWSER_VLINESDOTS;

    WinBits nVScrollWinBits =
        WB_VSCROLL | ( ( nMode & BROWSER_THUMBDRAGGING ) ? WB_DRAG : 0 );
    pVScroll = ( nMode & BROWSER_TRACKING_TIPS ) == BROWSER_TRACKING_TIPS
                ? new BrowserScrollBar( this, nVScrollWinBits,
                                        (BrowserDataWin*) pDataWin )
                : new ScrollBar( this, nVScrollWinBits );
    pVScroll->SetLineSize( 1 );
    pVScroll->SetPageSize(1);
    pVScroll->SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) );
    pVScroll->SetEndScrollHdl( LINK( this, BrowseBox, EndScrollHdl ) );

    getDataWindow()->bAutoSizeLastCol =
            BROWSER_AUTOSIZE_LASTCOL == ( nMode & BROWSER_AUTOSIZE_LASTCOL );
    getDataWindow()->bOwnDataChangedHdl =
            BROWSER_OWN_DATACHANGED == ( nMode & BROWSER_OWN_DATACHANGED );

    // create a headerbar. what happens, if a headerbar has to be created and
    // there already are columns?
    if ( BROWSER_HEADERBAR_NEW == ( nMode & BROWSER_HEADERBAR_NEW ) )
    {
        if (!getDataWindow()->pHeaderBar)
            getDataWindow()->pHeaderBar = CreateHeaderBar( this );
    }
    else
    {
        DELETEZ(getDataWindow()->pHeaderBar);
    }



    if ( bColumnCursor )
    {
        pColSel = pOldColSel ? pOldColSel : new MultiSelection;
        pColSel->SetTotalRange( Range( 0, pCols->size()-1 ) );
    }
    else
    {
        pColSel = 0;
        delete pColSel;
    }

    if ( bMultiSelection )
    {
        if ( pOldRowSel )
            uRow.pSel = pOldRowSel;
        else
            uRow.pSel = new MultiSelection;
    }
    else
    {
        uRow.nSel = nOldRowSel;
        delete pOldRowSel;
    }

    if ( bBootstrapped )
    {
        StateChanged( STATE_CHANGE_INITSHOW );
        if ( bMultiSelection && !pOldRowSel &&
             nOldRowSel != BROWSER_ENDOFSELECTION )
            uRow.pSel->Select( nOldRowSel );
    }

    if ( pDataWin )
        pDataWin->Invalidate();

    // no cursor on handle column
    if ( nCurColId == HandleColumnId )
        nCurColId = GetColumnId( 1 );

    m_nCurrentMode = nMode;
}

//-------------------------------------------------------------------

void BrowseBox::VisibleRowsChanged( long, sal_uInt16 )
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    // old behavior: automatically correct NumRows:
    if ( nRowCount < GetRowCount() )
    {
        RowInserted(nRowCount,GetRowCount() - nRowCount,sal_False);
    }
    else if ( nRowCount > GetRowCount() )
    {
        RowRemoved(nRowCount-(nRowCount - GetRowCount()),nRowCount - GetRowCount(),sal_False);
    }
}

//-------------------------------------------------------------------

sal_Bool BrowseBox::IsCursorMoveAllowed( long, sal_uInt16 ) const

/*  [Description]

    This virtual method is always called before the cursor is moved directly.
    By means of 'return sal_False', we avoid doing this if e.g. a record
    contradicts any rules.

    This method is not called, if the cursor movement results from removing or
    deleting a row/column (thus, in cases where only a "cursor correction" happens).

    The base implementation currently always returns sal_True.
*/

{
    return sal_True;
}

//-------------------------------------------------------------------

long BrowseBox::GetDataRowHeight() const
{
    return CalcZoom(nDataRowHeight ? nDataRowHeight : ImpGetDataRowHeight());
}

//-------------------------------------------------------------------

BrowserHeader* BrowseBox::CreateHeaderBar( BrowseBox* pParent )
{
    BrowserHeader* pNewBar = new BrowserHeader( pParent );
    pNewBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) );
    return pNewBar;
}

void BrowseBox::SetHeaderBar( BrowserHeader* pHeaderBar )
{
    delete ( (BrowserDataWin*)pDataWin )->pHeaderBar;
    ( (BrowserDataWin*)pDataWin )->pHeaderBar = pHeaderBar;
    ( (BrowserDataWin*)pDataWin )->pHeaderBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) );
}
//-------------------------------------------------------------------

#ifdef DBG_UTIL
const char* BrowseBoxCheckInvariants( const void * pVoid )
{
    const BrowseBox * p = (const BrowseBox *)pVoid;

    if (p->nRowCount < 0) return "BrowseBox: nRowCount < 0";
    if (p->nTopRow < 0) return "BrowseBox: nTopRow < 0";
    if (p->nTopRow >= p->nRowCount && p->nRowCount != 0) return "BrowseBox: nTopRow >= nRowCount && nRowCount != 0";
    if (p->nCurRow < -1) return "BrowseBox: nCurRow < -1";
    if (p->nCurRow > p->nRowCount) return "BrowseBox: nCurRow > nRowCount";

    // Sadly not always the case when editing:
    //if (p->nCurRow < 0 && p->nRowCount != 0) return "nCurRow < 0 && nRowCount != 0";
    //if (p->nCurRow >= p->nRowCount && p->nRowCount != 0) return "nCurRow >= nRowCount && nRowCount != 0";

    return NULL;
}
#endif

//-------------------------------------------------------------------
long BrowseBox::GetTitleHeight() const
{
    long nHeight;
    // ask the header bar for the text height (if possible), as the header bar's font is adjusted with
    // our (and the header's) zoom factor
    HeaderBar* pHeaderBar = ( (BrowserDataWin*)pDataWin )->pHeaderBar;
    if ( pHeaderBar )
        nHeight = pHeaderBar->GetTextHeight();
    else
        nHeight = GetTextHeight();

    return nTitleLines ? nTitleLines * nHeight + 4 : 0;
}

//-------------------------------------------------------------------
long BrowseBox::CalcReverseZoom(long nVal)
{
    if (IsZoom())
    {
        const Fraction& rZoom = GetZoom();
        double n = (double)nVal;
        n *= (double)rZoom.GetDenominator();
        n /= (double)rZoom.GetNumerator();
        nVal = n>0 ? (long)(n + 0.5) : -(long)(-n + 0.5);
    }

    return nVal;
}

void BrowseBox::CursorMoved()
{
    // before implementing more here, please adjust the EditBrowseBox
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);

    if ( isAccessibleAlive() && HasFocus() )
        commitTableEvent(
            ACTIVE_DESCENDANT_CHANGED,
            makeAny( CreateAccessibleCell( GetCurRow(),GetColumnPos( GetCurColumnId() ) ) ),
            Any()
        );
}

//-------------------------------------------------------------------

void BrowseBox::LoseFocus()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);
    OSL_TRACE( "BrowseBox: %p->LoseFocus", this );

    if ( bHasFocus )
    {
        OSL_TRACE( "BrowseBox: %p->HideCursor", this );
        DoHideCursor( "LoseFocus" );

        if ( !bKeepHighlight )
        {
            ToggleSelection();
            bSelectionIsVisible = sal_False;
        }

        bHasFocus = sal_False;
    }
    Control::LoseFocus();
}

//-------------------------------------------------------------------

void BrowseBox::GetFocus()
{
    DBG_CHKTHIS(BrowseBox,BrowseBoxCheckInvariants);
    OSL_TRACE( "BrowseBox: %p->GetFocus", this );

    if ( !bHasFocus )
    {
        if ( !bSelectionIsVisible )
        {
            bSelectionIsVisible = sal_True;
            if ( bBootstrapped )
                ToggleSelection();
        }

        bHasFocus = sal_True;
        DoShowCursor( "GetFocus" );
    }
    Control::GetFocus();
}


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
