treelistbox.cxx

Go to the documentation of this file.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

/*
    TODO:
        - delete anchor in SelectionEngine when selecting manually
        - SelectAll( false ) => only repaint the deselected entries
*/

#include <vcl/toolkit/treelistbox.hxx>
#include <vcl/accessiblefactory.hxx>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <vcl/svapp.hxx>
#include <vcl/accel.hxx>
#include <vcl/builder.hxx>
#include <vcl/toolkit/edit.hxx>
#include <vcl/settings.hxx>
#include <vcl/commandevent.hxx>
#include <vcl/uitest/uiobject.hxx>
#include <sot/formats.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <rtl/instance.hxx>
#include <comphelper/string.hxx>
#include <sal/log.hxx>
#include <tools/debug.hxx>

#include <vcl/toolkit/svlbitm.hxx>
#include <vcl/toolkit/treelistentry.hxx>
#include <vcl/toolkit/viewdataentry.hxx>
#include <svimpbox.hxx>

#include <set>
#include <string.h>
#include <vector>

using namespace css::accessibility;

// Drag&Drop
static VclPtr<SvTreeListBox> g_pDDSource;
static VclPtr<SvTreeListBox> g_pDDTarget;

#define SVLBOX_ACC_RETURN 1
#define SVLBOX_ACC_ESCAPE 2

class SvInplaceEdit2
{
    Link<SvInplaceEdit2&,void> aCallBackHdl;
    Accelerator   aAccReturn;
    Accelerator   aAccEscape;
    Idle          aIdle;
    VclPtr<Edit>  pEdit;
    bool          bCanceled;
    bool          bAlreadyInCallBack;

    void        CallCallBackHdl_Impl();
    DECL_LINK( Timeout_Impl, Timer *, void );
    DECL_LINK( ReturnHdl_Impl, Accelerator&, void );
    DECL_LINK( EscapeHdl_Impl, Accelerator&, void );

public:
                SvInplaceEdit2( vcl::Window* pParent, const Point& rPos, const Size& rSize,
                   const OUString& rData, const Link<SvInplaceEdit2&,void>& rNotifyEditEnd,
                   const Selection& );
               ~SvInplaceEdit2();
    bool        KeyInput( const KeyEvent& rKEvt );
    void        LoseFocus();
    bool        EditingCanceled() const { return bCanceled; }
    OUString    GetText() const;
    OUString const & GetSavedValue() const;
    void        StopEditing( bool bCancel );
    void        Hide();
};

// ***************************************************************

namespace {

class MyEdit_Impl : public Edit
{
    SvInplaceEdit2* pOwner;
public:
                 MyEdit_Impl( vcl::Window* pParent, SvInplaceEdit2* pOwner );
    virtual     ~MyEdit_Impl() override { disposeOnce(); }
    virtual void dispose() override { pOwner = nullptr; Edit::dispose(); }
    virtual void KeyInput( const KeyEvent& rKEvt ) override;
    virtual void LoseFocus() override;
};

}

MyEdit_Impl::MyEdit_Impl( vcl::Window* pParent, SvInplaceEdit2* _pOwner ) :

    Edit( pParent, WB_LEFT ),

    pOwner( _pOwner )

{
}

void MyEdit_Impl::KeyInput( const KeyEvent& rKEvt )
{
    if( !pOwner->KeyInput( rKEvt ))
        Edit::KeyInput( rKEvt );
}

void MyEdit_Impl::LoseFocus()
{
    if (pOwner)
        pOwner->LoseFocus();
}

SvInplaceEdit2::SvInplaceEdit2
(
    vcl::Window* pParent, const Point& rPos,
    const Size& rSize,
    const OUString& rData,
    const Link<SvInplaceEdit2&,void>& rNotifyEditEnd,
    const Selection& rSelection
) :

    aCallBackHdl       ( rNotifyEditEnd ),
    bCanceled           ( false ),
    bAlreadyInCallBack  ( false )

{

    pEdit = VclPtr<MyEdit_Impl>::Create( pParent, this );

    vcl::Font aFont( pParent->GetFont() );
    aFont.SetTransparent( false );
    Color aColor( pParent->GetBackground().GetColor() );
    aFont.SetFillColor(aColor );
    pEdit->SetFont( aFont );
    pEdit->SetBackground( pParent->GetBackground() );
    pEdit->SetPosPixel( rPos );
    pEdit->SetSizePixel( rSize );
    pEdit->SetText( rData );
    pEdit->SetSelection( rSelection );
    pEdit->SaveValue();

    aAccReturn.InsertItem( SVLBOX_ACC_RETURN, vcl::KeyCode(KEY_RETURN) );
    aAccEscape.InsertItem( SVLBOX_ACC_ESCAPE, vcl::KeyCode(KEY_ESCAPE) );

    aAccReturn.SetActivateHdl( LINK( this, SvInplaceEdit2, ReturnHdl_Impl) );
    aAccEscape.SetActivateHdl( LINK( this, SvInplaceEdit2, EscapeHdl_Impl) );
    Application::InsertAccel( &aAccReturn );
    Application::InsertAccel( &aAccEscape );

    pEdit->Show();
    pEdit->GrabFocus();
}

SvInplaceEdit2::~SvInplaceEdit2()
{
    if( !bAlreadyInCallBack )
    {
        Application::RemoveAccel( &aAccReturn );
        Application::RemoveAccel( &aAccEscape );
    }
    pEdit.disposeAndClear();
}

OUString const & SvInplaceEdit2::GetSavedValue() const
{
    return pEdit->GetSavedValue();
}

void SvInplaceEdit2::Hide()
{
    pEdit->Hide();
}


IMPL_LINK_NOARG(SvInplaceEdit2, ReturnHdl_Impl, Accelerator&, void)
{
    bCanceled = false;
    CallCallBackHdl_Impl();
}

IMPL_LINK_NOARG(SvInplaceEdit2, EscapeHdl_Impl, Accelerator&, void)
{
    bCanceled = true;
    CallCallBackHdl_Impl();
}

bool SvInplaceEdit2::KeyInput( const KeyEvent& rKEvt )
{
    vcl::KeyCode aCode = rKEvt.GetKeyCode();
    sal_uInt16 nCode = aCode.GetCode();

    switch ( nCode )
    {
        case KEY_ESCAPE:
            bCanceled = true;
            CallCallBackHdl_Impl();
            return true;

        case KEY_RETURN:
            bCanceled = false;
            CallCallBackHdl_Impl();
            return true;
    }
    return false;
}

void SvInplaceEdit2::StopEditing( bool bCancel )
{
    if ( !bAlreadyInCallBack )
    {
        bCanceled = bCancel;
        CallCallBackHdl_Impl();
    }
}

void SvInplaceEdit2::LoseFocus()
{
    if ( !bAlreadyInCallBack
    && ((!Application::GetFocusWindow()) || !pEdit->IsChild( Application::GetFocusWindow()) )
    )
    {
        bCanceled = false;
        aIdle.SetPriority(TaskPriority::REPAINT);
        aIdle.SetInvokeHandler(LINK(this,SvInplaceEdit2,Timeout_Impl));
        aIdle.SetDebugName( "svtools::SvInplaceEdit2 aIdle" );
        aIdle.Start();
    }
}

IMPL_LINK_NOARG(SvInplaceEdit2, Timeout_Impl, Timer *, void)
{
    CallCallBackHdl_Impl();
}

void SvInplaceEdit2::CallCallBackHdl_Impl()
{
    aIdle.Stop();
    if ( !bAlreadyInCallBack )
    {
        bAlreadyInCallBack = true;
        Application::RemoveAccel( &aAccReturn );
        Application::RemoveAccel( &aAccEscape );
        pEdit->Hide();
        aCallBackHdl.Call( *this );
    }
}

OUString SvInplaceEdit2::GetText() const
{
    return pEdit->GetText();
}

// ***************************************************************
// class SvLBoxTab
// ***************************************************************


SvLBoxTab::SvLBoxTab()
{
    nPos = 0;
    nFlags = SvLBoxTabFlags::NONE;
}

SvLBoxTab::SvLBoxTab( long nPosition, SvLBoxTabFlags nTabFlags )
{
    nPos = nPosition;
    nFlags = nTabFlags;
}

SvLBoxTab::SvLBoxTab( const SvLBoxTab& rTab )
{
    nPos = rTab.nPos;
    nFlags = rTab.nFlags;
}

SvLBoxTab::~SvLBoxTab()
{
}


long SvLBoxTab::CalcOffset( long nItemWidth, long nTabWidth )
{
    long nOffset = 0;
    if ( nFlags & SvLBoxTabFlags::ADJUST_RIGHT )
    {
        nOffset = nTabWidth - nItemWidth;
        if( nOffset < 0 )
            nOffset = 0;
    }
    else if ( nFlags & SvLBoxTabFlags::ADJUST_CENTER )
    {
        if( nFlags & SvLBoxTabFlags::FORCE )
        {
            // correct implementation of centering
            nOffset = ( nTabWidth - nItemWidth ) / 2;
            if( nOffset < 0 )
                nOffset = 0;
        }
        else
        {
            // historically grown, wrong calculation of tabs which is needed by
            // Abo-Tabbox, Tools/Options/Customize etc.
            nItemWidth++;
            nOffset = -( nItemWidth / 2 );
        }
    }
    return nOffset;
}

// ***************************************************************
// class SvLBoxItem
// ***************************************************************


SvLBoxItem::SvLBoxItem()
    : mbDisabled(false)
{
}

SvLBoxItem::~SvLBoxItem()
{
}

int SvLBoxItem::GetWidth(const SvTreeListBox* pView, const SvTreeListEntry* pEntry) const
{
    const SvViewDataItem* pViewData = pView->GetViewDataItem( pEntry, this );
    int nWidth = pViewData->mnWidth;
    if (nWidth == -1)
    {
        nWidth = CalcWidth(pView);
        const_cast<SvViewDataItem*>(pViewData)->mnWidth = nWidth;
    }
    return nWidth;
}

int SvLBoxItem::GetHeight(const SvTreeListBox* pView, const SvTreeListEntry* pEntry) const
{
    const SvViewDataItem* pViewData = pView->GetViewDataItem( pEntry, this );
    return pViewData->mnHeight;
}

int SvLBoxItem::GetWidth(const SvTreeListBox* pView, const SvViewDataEntry* pData, sal_uInt16 nItemPos)
{
    const SvViewDataItem& rIData = pData->GetItem(nItemPos);
    int nWidth = rIData.mnWidth;
    if (nWidth == -1)
    {
        nWidth = CalcWidth(pView);
        const_cast<SvViewDataItem&>(rIData).mnWidth = nWidth;
    }
    return nWidth;
}

int SvLBoxItem::GetHeight(const SvViewDataEntry* pData, sal_uInt16 nItemPos)
{
    const SvViewDataItem& rIData = pData->GetItem(nItemPos);
    return rIData.mnHeight;
}

int SvLBoxItem::CalcWidth(const SvTreeListBox* /*pView*/) const
{
    return 0;
}

struct SvTreeListBoxImpl
{
    bool m_bDoingQuickSelection:1;

    vcl::QuickSelectionEngine m_aQuickSelectionEngine;

    explicit SvTreeListBoxImpl(SvTreeListBox& _rBox) :
        m_bDoingQuickSelection(false),
        m_aQuickSelectionEngine(_rBox) {}
};

SvTreeListBox::SvTreeListBox(vcl::Window* pParent, WinBits nWinStyle) :
    Control(pParent, nWinStyle | WB_CLIPCHILDREN),
    DropTargetHelper(this),
    DragSourceHelper(this),
    mpImpl(new SvTreeListBoxImpl(*this)),
    mbContextBmpExpanded(false),
    mbAlternatingRowColors(false),
    mbUpdateAlternatingRows(false),
    mbQuickSearch(false),
    mbActivateOnSingleClick(false),
    mbHoverSelection(false),
    eSelMode(SelectionMode::NONE),
    nMinWidthInChars(0),
    mnDragAction(DND_ACTION_COPYMOVE | DND_ACTION_LINK),
    mbCenterAndClipText(false)
{
    nImpFlags = SvTreeListBoxFlags::NONE;
    pTargetEntry = nullptr;
    nDragDropMode = DragDropMode::NONE;
    pModel->SetCloneLink( LINK(this, SvTreeListBox, CloneHdl_Impl ));
    pHdlEntry = nullptr;
    eSelMode = SelectionMode::Single;
    nDragDropMode = DragDropMode::NONE;
    SetType(WindowType::TREELISTBOX);

    InitTreeView();
    pImpl->SetModel( pModel.get() );

    SetSublistOpenWithLeftRight();
}

void SvTreeListBox::Clear()
{
    if (pModel)
        pModel->Clear();  // Model calls SvTreeListBox::ModelHasCleared()
}

IMPL_LINK( SvTreeListBox, CloneHdl_Impl, SvTreeListEntry*, pEntry, SvTreeListEntry* )
{
    return CloneEntry(pEntry);
}

sal_uLong SvTreeListBox::Insert( SvTreeListEntry* pEntry, SvTreeListEntry* pParent, sal_uLong nPos )
{
    sal_uLong nInsPos = pModel->Insert( pEntry, pParent, nPos );
    pEntry->SetBackColor( GetBackground().GetColor() );
    SetAlternatingRowColors( mbAlternatingRowColors );
    return nInsPos;
}

sal_uLong SvTreeListBox::Insert( SvTreeListEntry* pEntry,sal_uLong nRootPos )
{
    sal_uLong nInsPos = pModel->Insert( pEntry, nRootPos );
    pEntry->SetBackColor( GetBackground().GetColor() );
    SetAlternatingRowColors( mbAlternatingRowColors );
    return nInsPos;
}

bool SvTreeListBox::ExpandingHdl()
{
    return !aExpandingHdl.IsSet() || aExpandingHdl.Call( this );
}

void SvTreeListBox::ExpandedHdl()
{
    aExpandedHdl.Call( this );
}

void SvTreeListBox::SelectHdl()
{
    aSelectHdl.Call( this );
}

void SvTreeListBox::DeselectHdl()
{
    aDeselectHdl.Call( this );
}

bool SvTreeListBox::DoubleClickHdl()
{
    return !aDoubleClickHdl.IsSet() || aDoubleClickHdl.Call(this);
}

bool SvTreeListBox::CheckDragAndDropMode( SvTreeListBox const * pSource, sal_Int8 nAction )
{
    if ( pSource != this )
        return false; // no drop

    if ( !(nDragDropMode & DragDropMode::CTRL_MOVE) )
        return false; // D&D locked within list

    if( DND_ACTION_MOVE == nAction )
    {
        if ( !(nDragDropMode & DragDropMode::CTRL_MOVE) )
             return false; // no local move
    }
    else
        return false; // no local copy

    return true;
}


/*
    NotifyMoving/Copying
    ====================

    default behavior:

    1. target doesn't have children
        - entry becomes sibling of target. entry comes after target
          (->Window: below the target)
    2. target is an expanded parent
        - entry inserted at the beginning of the target childlist
    3. target is a collapsed parent
        - entry is inserted at the end of the target childlist
*/
TriState SvTreeListBox::NotifyMoving(
    SvTreeListEntry*  pTarget,       // D&D dropping position in GetModel()
    SvTreeListEntry*  pEntry,        // entry that we want to move, from
                                 // GetSourceListBox()->GetModel()
    SvTreeListEntry*& rpNewParent,   // new target parent
    sal_uLong&        rNewChildPos)  // position in childlist of target parent
{
    DBG_ASSERT(pEntry,"NotifyMoving:SourceEntry?");
    if( !pTarget )
    {
        rpNewParent = nullptr;
        rNewChildPos = 0;
        return TRISTATE_TRUE;
    }
    if ( !pTarget->HasChildren() && !pTarget->HasChildrenOnDemand() )
    {
        // case 1
        rpNewParent = GetParent( pTarget );
        rNewChildPos = SvTreeList::GetRelPos( pTarget ) + 1;
        rNewChildPos += nCurEntrySelPos;
        nCurEntrySelPos++;
    }
    else
    {
        // cases 2 & 3
        rpNewParent = pTarget;
        if( IsExpanded(pTarget))
            rNewChildPos = 0;
        else
            rNewChildPos = TREELIST_APPEND;
    }
    return TRISTATE_TRUE;
}

TriState SvTreeListBox::NotifyCopying(
    SvTreeListEntry*  pTarget,       // D&D dropping position in GetModel()
    SvTreeListEntry*  pEntry,        // entry that we want to move, from
                                 // GetSourceListBox()->GetModel()
    SvTreeListEntry*& rpNewParent,   // new target parent
    sal_uLong&        rNewChildPos)  // position in childlist of target parent
{
    return NotifyMoving(pTarget,pEntry,rpNewParent,rNewChildPos);
}

SvTreeListEntry* SvTreeListBox::FirstChild( SvTreeListEntry* pParent ) const
{
    return pModel->FirstChild(pParent);
}

// return: all entries copied
bool SvTreeListBox::CopySelection( SvTreeListBox* pSource, SvTreeListEntry* pTarget )
{
    nCurEntrySelPos = 0; // selection counter for NotifyMoving/Copying
    bool bSuccess = true;
    std::vector<SvTreeListEntry*> aList;
    bool bClone = ( pSource->GetModel() != GetModel() );
    Link<SvTreeListEntry*,SvTreeListEntry*> aCloneLink( pModel->GetCloneLink() );
    pModel->SetCloneLink( LINK(this, SvTreeListBox, CloneHdl_Impl ));

    // cache selection to simplify iterating over the selection when doing a D&D
    // exchange within the same listbox
    SvTreeListEntry* pSourceEntry = pSource->FirstSelected();
    while ( pSourceEntry )
    {
        // children are copied automatically
        pSource->SelectChildren( pSourceEntry, false );
        aList.push_back( pSourceEntry );
        pSourceEntry = pSource->NextSelected( pSourceEntry );
    }

    for (auto const& elem : aList)
    {
        pSourceEntry = elem;
        SvTreeListEntry* pNewParent = nullptr;
        sal_uLong nInsertionPos = TREELIST_APPEND;
        TriState nOk = NotifyCopying(pTarget,pSourceEntry,pNewParent,nInsertionPos);
        if ( nOk )
        {
            if ( bClone )
            {
                sal_uLong nCloneCount = 0;
                pSourceEntry = pModel->Clone(pSourceEntry, nCloneCount);
                pModel->InsertTree(pSourceEntry, pNewParent, nInsertionPos);
            }
            else
            {
                sal_uLong nListPos = pModel->Copy(pSourceEntry, pNewParent, nInsertionPos);
                pSourceEntry = GetEntry( pNewParent, nListPos );
            }
        }
        else
            bSuccess = false;

        if (nOk == TRISTATE_INDET)  // HACK: make visible moved entry
            MakeVisible( pSourceEntry );
    }
    pModel->SetCloneLink( aCloneLink );
    return bSuccess;
}

// return: all entries were moved
bool SvTreeListBox::MoveSelectionCopyFallbackPossible( SvTreeListBox* pSource, SvTreeListEntry* pTarget, bool bAllowCopyFallback )
{
    nCurEntrySelPos = 0; // selection counter for NotifyMoving/Copying
    bool bSuccess = true;
    std::vector<SvTreeListEntry*> aList;
    bool bClone = ( pSource->GetModel() != GetModel() );
    Link<SvTreeListEntry*,SvTreeListEntry*> aCloneLink( pModel->GetCloneLink() );
    if ( bClone )
        pModel->SetCloneLink( LINK(this, SvTreeListBox, CloneHdl_Impl ));

    SvTreeListEntry* pSourceEntry = pSource->FirstSelected();
    while ( pSourceEntry )
    {
        // children are automatically moved
        pSource->SelectChildren( pSourceEntry, false );
        aList.push_back( pSourceEntry );
        pSourceEntry = pSource->NextSelected( pSourceEntry );
    }

    for (auto const& elem : aList)
    {
        pSourceEntry = elem;
        SvTreeListEntry* pNewParent = nullptr;
        sal_uLong nInsertionPos = TREELIST_APPEND;
        TriState nOk = NotifyMoving(pTarget,pSourceEntry,pNewParent,nInsertionPos);
        TriState nCopyOk = nOk;
        if ( !nOk && bAllowCopyFallback )
        {
            nInsertionPos = TREELIST_APPEND;
            nCopyOk = NotifyCopying(pTarget,pSourceEntry,pNewParent,nInsertionPos);
        }

        if ( nOk || nCopyOk )
        {
            if ( bClone )
            {
                sal_uLong nCloneCount = 0;
                pSourceEntry = pModel->Clone(pSourceEntry, nCloneCount);
                pModel->InsertTree(pSourceEntry, pNewParent, nInsertionPos);
            }
            else
            {
                if ( nOk )
                    pModel->Move(pSourceEntry, pNewParent, nInsertionPos);
                else
                    pModel->Copy(pSourceEntry, pNewParent, nInsertionPos);
            }
        }
        else
            bSuccess = false;

        if (nOk == TRISTATE_INDET)  // HACK: make moved entry visible
            MakeVisible( pSourceEntry );
    }
    pModel->SetCloneLink( aCloneLink );
    return bSuccess;
}

void SvTreeListBox::RemoveSelection()
{
    std::vector<const SvTreeListEntry*> aList;
    // cache selection, as the implementation deselects everything on the first
    // remove
    SvTreeListEntry* pEntry = FirstSelected();
    while ( pEntry )
    {
        aList.push_back( pEntry );
        if ( pEntry->HasChildren() )
            // remove deletes all children automatically
            SelectChildren(pEntry, false);
        pEntry = NextSelected( pEntry );
    }

    for (auto const& elem : aList)
        pModel->Remove(elem);
}

void SvTreeListBox::RemoveEntry(SvTreeListEntry const * pEntry)
{
    pModel->Remove(pEntry);
}

void SvTreeListBox::RecalcViewData()
{
    SvTreeListEntry* pEntry = First();
    while( pEntry )
    {
        sal_uInt16 nCount = pEntry->ItemCount();
        sal_uInt16 nCurPos = 0;
        while ( nCurPos < nCount )
        {
            SvLBoxItem& rItem = pEntry->GetItem( nCurPos );
            rItem.InitViewData( this, pEntry );
            nCurPos++;
        }
        pEntry = Next( pEntry );
    }
}

void SvTreeListBox::ImplShowTargetEmphasis( SvTreeListEntry* pEntry, bool bShow)
{
    if ( bShow && (nImpFlags & SvTreeListBoxFlags::TARGEMPH_VIS) )
        return;
    if ( !bShow && !(nImpFlags & SvTreeListBoxFlags::TARGEMPH_VIS) )
        return;
    pImpl->PaintDDCursor( pEntry, bShow);
    if( bShow )
        nImpFlags |= SvTreeListBoxFlags::TARGEMPH_VIS;
    else
        nImpFlags &= ~SvTreeListBoxFlags::TARGEMPH_VIS;
}

void SvTreeListBox::OnCurrentEntryChanged()
{
    if ( !mpImpl->m_bDoingQuickSelection )
        mpImpl->m_aQuickSelectionEngine.Reset();
}

SvTreeListEntry* SvTreeListBox::GetEntry( SvTreeListEntry* pParent, sal_uLong nPos ) const
{
    return pModel->GetEntry(pParent, nPos);
}

SvTreeListEntry* SvTreeListBox::GetEntry( sal_uLong nRootPos ) const
{
    return pModel->GetEntry(nRootPos);
}

SvTreeListEntry* SvTreeListBox::GetEntryFromPath( const ::std::deque< sal_Int32 >& _rPath ) const
{

    SvTreeListEntry* pEntry = nullptr;
    SvTreeListEntry* pParent = nullptr;
    for (auto const& elem : _rPath)
    {
        pEntry = GetEntry( pParent, elem );
        if ( !pEntry )
            break;
        pParent = pEntry;
    }

    return pEntry;
}

void SvTreeListBox::FillEntryPath( SvTreeListEntry* pEntry, ::std::deque< sal_Int32 >& _rPath ) const
{

    if ( !pEntry )
        return;

    SvTreeListEntry* pParentEntry = GetParent( pEntry );
    while ( true )
    {
        sal_uLong i, nCount = GetLevelChildCount( pParentEntry );
        for ( i = 0; i < nCount; ++i )
        {
            SvTreeListEntry* pTemp = GetEntry( pParentEntry, i );
            DBG_ASSERT( pEntry, "invalid entry" );
            if ( pEntry == pTemp )
            {
                _rPath.push_front( static_cast<sal_Int32>(i) );
                break;
            }
        }

        if ( pParentEntry )
        {
            pEntry = pParentEntry;
            pParentEntry = GetParent( pParentEntry );
        }
        else
            break;
    }
}

SvTreeListEntry* SvTreeListBox::GetParent( SvTreeListEntry* pEntry ) const
{
    return pModel->GetParent(pEntry);
}

sal_uLong SvTreeListBox::GetChildCount( SvTreeListEntry const * pParent ) const
{
    return pModel->GetChildCount(pParent);
}

sal_uLong SvTreeListBox::GetLevelChildCount( SvTreeListEntry* _pParent ) const
{

    //if _pParent is 0, then pEntry is the first child of the root.
    SvTreeListEntry* pEntry = FirstChild( _pParent );

    if( !pEntry )//there is only root, root don't have children
        return 0;

    if( !_pParent )//root and children of root
        return pEntry->pParent->m_Children.size();

    return _pParent->m_Children.size();
}

SvViewDataEntry* SvTreeListBox::GetViewDataEntry( SvTreeListEntry const * pEntry ) const
{
    return const_cast<SvViewDataEntry*>(SvListView::GetViewData(pEntry));
}

SvViewDataItem* SvTreeListBox::GetViewDataItem(SvTreeListEntry const * pEntry, SvLBoxItem const * pItem)
{
    return const_cast<SvViewDataItem*>(static_cast<const SvTreeListBox*>(this)->GetViewDataItem(pEntry, pItem));
}

const SvViewDataItem* SvTreeListBox::GetViewDataItem(const SvTreeListEntry* pEntry, const SvLBoxItem* pItem) const
{
    const SvViewDataEntry* pEntryData = SvListView::GetViewData(pEntry);
    assert(pEntryData && "Entry not in View");
    sal_uInt16 nItemPos = pEntry->GetPos(pItem);
    return &pEntryData->GetItem(nItemPos);
}

void SvTreeListBox::InitViewData( SvViewDataEntry* pData, SvTreeListEntry* pEntry )
{
    SvTreeListEntry* pInhEntry = pEntry;
    SvViewDataEntry* pEntryData = pData;

    pEntryData->Init(pInhEntry->ItemCount());
    sal_uInt16 nCount = pInhEntry->ItemCount();
    sal_uInt16 nCurPos = 0;
    while( nCurPos < nCount )
    {
        SvLBoxItem& rItem = pInhEntry->GetItem( nCurPos );
        SvViewDataItem& rItemData = pEntryData->GetItem(nCurPos);
        rItem.InitViewData( this, pInhEntry, &rItemData );
        nCurPos++;
    }
}

void SvTreeListBox::EnableSelectionAsDropTarget( bool bEnable )
{
    sal_uInt16 nRefDepth;
    SvTreeListEntry* pTemp;

    SvTreeListEntry* pSelEntry = FirstSelected();
    while( pSelEntry )
    {
        if ( !bEnable )
        {
            pSelEntry->nEntryFlags |= SvTLEntryFlags::DISABLE_DROP;
            nRefDepth = pModel->GetDepth( pSelEntry );
            pTemp = Next( pSelEntry );
            while( pTemp && pModel->GetDepth( pTemp ) > nRefDepth )
            {
                pTemp->nEntryFlags |= SvTLEntryFlags::DISABLE_DROP;
                pTemp = Next( pTemp );
            }
        }
        else
        {
            pSelEntry->nEntryFlags &= ~SvTLEntryFlags::DISABLE_DROP;
            nRefDepth = pModel->GetDepth( pSelEntry );
            pTemp = Next( pSelEntry );
            while( pTemp && pModel->GetDepth( pTemp ) > nRefDepth )
            {
                pTemp->nEntryFlags &= ~SvTLEntryFlags::DISABLE_DROP;
                pTemp = Next( pTemp );
            }
        }
        pSelEntry = NextSelected( pSelEntry );
    }
}

// ******************************************************************
// InplaceEditing
// ******************************************************************

void SvTreeListBox::EditText( const OUString& rStr, const tools::Rectangle& rRect,
    const Selection& rSel )
{
    pEdCtrl.reset();
    nImpFlags |= SvTreeListBoxFlags::IN_EDT;
    nImpFlags &= ~SvTreeListBoxFlags::EDTEND_CALLED;
    HideFocus();
    pEdCtrl.reset( new SvInplaceEdit2(
        this, rRect.TopLeft(), rRect.GetSize(), rStr,
        LINK( this, SvTreeListBox, TextEditEndedHdl_Impl ),
        rSel ) );
}

IMPL_LINK_NOARG(SvTreeListBox, TextEditEndedHdl_Impl, SvInplaceEdit2&, void)
{
    if ( nImpFlags & SvTreeListBoxFlags::EDTEND_CALLED ) // avoid nesting
        return;
    nImpFlags |= SvTreeListBoxFlags::EDTEND_CALLED;
    OUString aStr;
    if ( !pEdCtrl->EditingCanceled() )
        aStr = pEdCtrl->GetText();
    else
        aStr = pEdCtrl->GetSavedValue();
    EditedText( aStr );
    // Hide may only be called after the new text was put into the entry, so
    // that we don't call the selection handler in the GetFocus of the listbox
    // with the old entry text.
    pEdCtrl->Hide();
    nImpFlags &= ~SvTreeListBoxFlags::IN_EDT;
    GrabFocus();
}

void SvTreeListBox::CancelTextEditing()
{
    if ( pEdCtrl )
        pEdCtrl->StopEditing( true );
    nImpFlags &= ~SvTreeListBoxFlags::IN_EDT;
}

void SvTreeListBox::EndEditing( bool bCancel )
{
    if( pEdCtrl )
        pEdCtrl->StopEditing( bCancel );
    nImpFlags &= ~SvTreeListBoxFlags::IN_EDT;
}

vcl::StringEntryIdentifier SvTreeListBox::CurrentEntry( OUString& _out_entryText ) const
{
    // always accept the current entry if there is one
    SvTreeListEntry* pEntry( GetCurEntry() );
    if (pEntry)
    {
        _out_entryText = GetEntryText(pEntry);
        return pEntry;
    }

    pEntry = FirstSelected();
    if ( !pEntry )
        pEntry = First();

    if ( pEntry )
        _out_entryText = GetEntryText( pEntry );

    return pEntry;
}

vcl::StringEntryIdentifier SvTreeListBox::NextEntry(vcl::StringEntryIdentifier _pCurrentSearchEntry, OUString& _out_entryText) const
{
    SvTreeListEntry* pEntry = const_cast< SvTreeListEntry* >( static_cast< const SvTreeListEntry* >( _pCurrentSearchEntry ) );

    if  (   (   ( GetChildCount( pEntry ) > 0 )
            ||  ( pEntry->HasChildrenOnDemand() )
            )
        &&  !IsExpanded( pEntry )
        )
    {
        SvTreeListEntry* pNextSiblingEntry = pEntry->NextSibling();
        if ( !pNextSiblingEntry )
            pEntry = Next( pEntry );
        else
            pEntry = pNextSiblingEntry;
    }
    else
    {
        pEntry = Next( pEntry );
    }

    if ( !pEntry )
        pEntry = First();

    if ( pEntry )
        _out_entryText = GetEntryText( pEntry );

    return pEntry;
}

void SvTreeListBox::SelectEntry(vcl::StringEntryIdentifier _pEntry)
{
    SvTreeListEntry* pEntry = const_cast< SvTreeListEntry* >( static_cast< const SvTreeListEntry* >( _pEntry ) );
    DBG_ASSERT( pEntry, "SvTreeListBox::SelectSearchEntry: invalid entry!" );
    if ( !pEntry )
        return;

    SelectAll( false );
    SetCurEntry( pEntry );
    Select( pEntry );
}

bool SvTreeListBox::HandleKeyInput( const KeyEvent& _rKEvt )
{
    if ( _rKEvt.GetKeyCode().IsMod1() )
        return false;

    if (mbQuickSearch)
    {
        mpImpl->m_bDoingQuickSelection = true;
        const bool bHandled = mpImpl->m_aQuickSelectionEngine.HandleKeyEvent( _rKEvt );
        mpImpl->m_bDoingQuickSelection = false;
        if ( bHandled )
            return true;
    }

    return false;
}


//JP 28.3.2001: new Drag & Drop API
sal_Int8 SvTreeListBox::AcceptDrop( const AcceptDropEvent& rEvt )
{
    sal_Int8 nRet = DND_ACTION_NONE;

    if (rEvt.mbLeaving || !CheckDragAndDropMode(g_pDDSource, rEvt.mnAction))
    {
        ImplShowTargetEmphasis( pTargetEntry, false );
    }
    else if( nDragDropMode == DragDropMode::NONE )
    {
        SAL_WARN( "svtools.contnr", "SvTreeListBox::QueryDrop(): no target" );
    }
    else
    {
        SvTreeListEntry* pEntry = GetDropTarget( rEvt.maPosPixel );
        if( !IsDropFormatSupported( SotClipboardFormatId::TREELISTBOX ) )
        {
            SAL_WARN( "svtools.contnr", "SvTreeListBox::QueryDrop(): no format" );
        }
        else
        {
            DBG_ASSERT(g_pDDSource, "SvTreeListBox::QueryDrop(): SourceBox == 0");
            if (!( pEntry && g_pDDSource->GetModel() == GetModel()
                    && DND_ACTION_MOVE == rEvt.mnAction
                    && (pEntry->nEntryFlags & SvTLEntryFlags::DISABLE_DROP)))
            {
                nRet = rEvt.mnAction;
            }
        }

        // **** draw emphasis ****
        if( DND_ACTION_NONE == nRet )
               ImplShowTargetEmphasis( pTargetEntry, false );
        else if( pEntry != pTargetEntry || !(nImpFlags & SvTreeListBoxFlags::TARGEMPH_VIS) )
        {
            ImplShowTargetEmphasis( pTargetEntry, false );
            pTargetEntry = pEntry;
            ImplShowTargetEmphasis( pTargetEntry, true );
        }
    }
    return nRet;
}

sal_Int8 SvTreeListBox::ExecuteDrop( const ExecuteDropEvent& rEvt, SvTreeListBox* pSourceView )
{
    assert(pSourceView);
    pSourceView->EnableSelectionAsDropTarget();

    ImplShowTargetEmphasis( pTargetEntry, false );
    g_pDDTarget = this;

    TransferableDataHelper aData( rEvt.maDropEvent.Transferable );

    sal_Int8 nRet;
    if( aData.HasFormat( SotClipboardFormatId::TREELISTBOX ))
        nRet = rEvt.mnAction;
    else
        nRet = DND_ACTION_NONE;

    if( DND_ACTION_NONE != nRet )
    {
        nRet = DND_ACTION_NONE;

        SvTreeListEntry* pTarget = pTargetEntry; // may be 0!

        if( DND_ACTION_COPY == rEvt.mnAction )
        {
            if (CopySelection(g_pDDSource, pTarget))
                nRet = rEvt.mnAction;
        }
        else if( DND_ACTION_MOVE == rEvt.mnAction )
        {
            if (MoveSelectionCopyFallbackPossible( g_pDDSource, pTarget, false ))
                nRet = rEvt.mnAction;
        }
        else if( DND_ACTION_COPYMOVE == rEvt.mnAction )
        {
            if (MoveSelectionCopyFallbackPossible(g_pDDSource, pTarget, true))
                nRet = rEvt.mnAction;
        }
    }
    return nRet;
}

sal_Int8 SvTreeListBox::ExecuteDrop( const ExecuteDropEvent& rEvt )
{
    return ExecuteDrop( rEvt, g_pDDSource );
}

void SvTreeListBox::SetupDragOrigin()
{
    g_pDDSource = this;
    g_pDDTarget = nullptr;
}

void SvTreeListBox::StartDrag( sal_Int8, const Point& rPosPixel )
{
    Point aEventPos( rPosPixel );
    MouseEvent aMouseEvt( aEventPos, 1, MouseEventModifiers::SELECT, MOUSE_LEFT );
    MouseButtonUp( aMouseEvt );

    nOldDragMode = GetDragDropMode();
    if ( nOldDragMode == DragDropMode::NONE )
        return;

    ReleaseMouse();

    SvTreeListEntry* pEntry = GetEntry( rPosPixel ); // GetDropTarget( rPos );
    if( !pEntry )
    {
        DragFinished( DND_ACTION_NONE );
        return;
    }

    rtl::Reference<TransferDataContainer> xContainer = m_xTransferHelper;

    if (!xContainer)
    {
        xContainer.set(new TransferDataContainer);
        // apparently some (unused) content is needed
        xContainer->CopyAnyData( SotClipboardFormatId::TREELISTBOX,
                                    "unused", SAL_N_ELEMENTS("unused") );
    }

    nDragDropMode = NotifyStartDrag();
    if( nDragDropMode == DragDropMode::NONE || 0 == GetSelectionCount() )
    {
        nDragDropMode = nOldDragMode;
        DragFinished( DND_ACTION_NONE );
        return;
    }

    SetupDragOrigin();

    bool bOldUpdateMode = Control::IsUpdateMode();
    Control::SetUpdateMode( true );
    PaintImmediately();
    Control::SetUpdateMode( bOldUpdateMode );

    // Disallow using the selection and its children as drop targets.
    // Important: If the selection of the SourceListBox is changed in the
    // DropHandler, the entries have to be allowed as drop targets again:
    // (GetSourceListBox()->EnableSelectionAsDropTarget( true, true );)
    EnableSelectionAsDropTarget( false );

    xContainer->StartDrag(this, mnDragAction, GetDragFinishedHdl());
}

void SvTreeListBox::SetDragHelper(rtl::Reference<TransferDataContainer>& rHelper, sal_uInt8 eDNDConstants)
{
    m_xTransferHelper = rHelper;
    mnDragAction = eDNDConstants;
}

void SvTreeListBox::DragFinished( sal_Int8
#ifndef UNX
nAction
#endif
)
{
    EnableSelectionAsDropTarget();

#ifndef UNX
    if (   (nAction == DND_ACTION_MOVE)
        && (   (g_pDDTarget && (g_pDDTarget->GetModel() != GetModel()))
            || !g_pDDTarget))
    {
        RemoveSelection();
    }
#endif

    UnsetDropTarget();
    g_pDDSource = nullptr;
    g_pDDTarget = nullptr;
    nDragDropMode = nOldDragMode;
}

void SvTreeListBox::UnsetDropTarget()
{
    if (pTargetEntry)
    {
        ImplShowTargetEmphasis(pTargetEntry, false);
        pTargetEntry = nullptr;
    }
}

DragDropMode SvTreeListBox::NotifyStartDrag()
{
    return DragDropMode(0xffff);
}

// Handler and methods for Drag - finished handler.
// The with get GetDragFinishedHdl() get link can set on the
// TransferDataContainer. This link is a callback for the DragFinished
// call. AddBox method is called from the GetDragFinishedHdl() and the
// remove is called in link callback and in the destructor. So it can't
// called to a deleted object.

namespace
{
    struct SortLBoxes : public rtl::Static<std::set<sal_uLong>, SortLBoxes> {};
}

void SvTreeListBox::AddBoxToDDList_Impl( const SvTreeListBox& rB )
{
    sal_uLong nVal = reinterpret_cast<sal_uLong>(&rB);
    SortLBoxes::get().insert( nVal );
}

void SvTreeListBox::RemoveBoxFromDDList_Impl( const SvTreeListBox& rB )
{
    sal_uLong nVal = reinterpret_cast<sal_uLong>(&rB);
    SortLBoxes::get().erase( nVal );
}

IMPL_LINK( SvTreeListBox, DragFinishHdl_Impl, sal_Int8, nAction, void )
{
    sal_uLong nVal = reinterpret_cast<sal_uLong>(this);
    std::set<sal_uLong> &rSortLBoxes = SortLBoxes::get();
    std::set<sal_uLong>::const_iterator it = rSortLBoxes.find(nVal);
    if( it != rSortLBoxes.end() )
    {
        DragFinished( nAction );
        rSortLBoxes.erase( it );
    }
}

Link<sal_Int8,void> SvTreeListBox::GetDragFinishedHdl() const
{
    AddBoxToDDList_Impl( *this );
    return LINK( const_cast<SvTreeListBox*>(this), SvTreeListBox, DragFinishHdl_Impl );
}

/*
    Bugs/TODO

    - calculate rectangle when editing in-place (bug with some fonts)
    - SetSpaceBetweenEntries: offset is not taken into account in SetEntryHeight
*/

#define SV_LBOX_DEFAULT_INDENT_PIXEL 20

void SvTreeListBox::InitTreeView()
{
    pCheckButtonData = nullptr;
    pEdEntry = nullptr;
    pEdItem = nullptr;
    nEntryHeight = 0;
    pEdCtrl = nullptr;
    nFirstSelTab = 0;
    nLastSelTab = 0;
    nFocusWidth = -1;
    mnCheckboxItemWidth = 0;

    nTreeFlags = SvTreeFlags::RECALCTABS;
    nIndent = SV_LBOX_DEFAULT_INDENT_PIXEL;
    nEntryHeightOffs = SV_ENTRYHEIGHTOFFS_PIXEL;
    pImpl.reset( new SvImpLBox( this, GetModel(), GetStyle() ) );

    mbContextBmpExpanded = true;
    nContextBmpWidthMax = 0;

    SetFont( GetFont() );
    AdjustEntryHeightAndRecalc();

    SetSpaceBetweenEntries( 0 );
    SetLineColor();
    InitSettings();
    ImplInitStyle();
    SetTabs();
}

OUString SvTreeListBox::SearchEntryTextWithHeadTitle( SvTreeListEntry* pEntry )
{
    assert(pEntry);
    OUStringBuffer sRet;

    sal_uInt16 nCount = pEntry->ItemCount();
    sal_uInt16 nCur = 0;
    while( nCur < nCount )
    {
        SvLBoxItem& rItem = pEntry->GetItem( nCur );
        if ( (rItem.GetType() == SvLBoxItemType::String) &&
             !static_cast<SvLBoxString&>( rItem ).GetText().isEmpty() )
        {
            sRet.append(static_cast<SvLBoxString&>( rItem ).GetText()).append(",");
        }
        nCur++;
    }

    if (!sRet.isEmpty())
        sRet = sRet.copy(0, sRet.getLength() - 1);
    return sRet.makeStringAndClear();
}

SvTreeListBox::~SvTreeListBox()
{
    disposeOnce();
}

void SvTreeListBox::dispose()
{
    if (IsMouseCaptured())
        ReleaseMouse();

    if( pImpl )
    {
        pImpl->CallEventListeners( VclEventId::ObjectDying );
        pImpl.reset();
    }
    if( mpImpl )
    {
        ClearTabList();

        pEdCtrl.reset();

        SvListView::dispose();

        SvTreeListBox::RemoveBoxFromDDList_Impl( *this );

        if (this == g_pDDSource)
            g_pDDSource = nullptr;
        if (this == g_pDDTarget)
            g_pDDTarget = nullptr;
        mpImpl.reset();
    }

    DropTargetHelper::dispose();
    DragSourceHelper::dispose();
    Control::dispose();
}

void SvTreeListBox::SetNoAutoCurEntry( bool b )
{
    pImpl->SetNoAutoCurEntry( b );
}

void SvTreeListBox::SetSublistOpenWithLeftRight()
{
    pImpl->m_bSubLstOpLR = true;
}

void SvTreeListBox::Resize()
{
    if( IsEditingActive() )
        EndEditing( true );

    Control::Resize();

    pImpl->Resize();
    nFocusWidth = -1;
    pImpl->ShowCursor( false );
    pImpl->ShowCursor( true );
}

/* Cases:

   A) entries have bitmaps
       0. no buttons
       1. node buttons (can optionally also be on root items)
       2. node buttons (can optionally also be on root items) + CheckButton
       3. CheckButton
   B) entries don't have bitmaps  (=>via WindowBits because of D&D!)
       0. no buttons
       1. node buttons (can optionally also be on root items)
       2. node buttons (can optionally also be on root items) + CheckButton
       3. CheckButton
*/

#define NO_BUTTONS              0
#define NODE_BUTTONS            1
#define NODE_AND_CHECK_BUTTONS  2
#define CHECK_BUTTONS           3

#define TABFLAGS_TEXT (SvLBoxTabFlags::DYNAMIC |        \
                       SvLBoxTabFlags::ADJUST_LEFT |    \
                       SvLBoxTabFlags::EDITABLE |       \
                       SvLBoxTabFlags::SHOW_SELECTION)

#define TABFLAGS_CONTEXTBMP (SvLBoxTabFlags::DYNAMIC | SvLBoxTabFlags::ADJUST_CENTER)

#define TABFLAGS_CHECKBTN (SvLBoxTabFlags::DYNAMIC |        \
                           SvLBoxTabFlags::ADJUST_CENTER)

#define TAB_STARTPOS    2

// take care of GetTextOffset when doing changes
void SvTreeListBox::SetTabs()
{
    if( IsEditingActive() )
        EndEditing( true );
    nTreeFlags &= ~SvTreeFlags::RECALCTABS;
    nFocusWidth = -1;
    const WinBits nStyle( GetStyle() );
    bool bHasButtons = (nStyle & WB_HASBUTTONS)!=0;
    bool bHasButtonsAtRoot = (nStyle & (WB_HASLINESATROOT |
                                              WB_HASBUTTONSATROOT))!=0;
    long nStartPos = TAB_STARTPOS;
    long nNodeWidthPixel = GetExpandedNodeBmp().GetSizePixel().Width();

    // pCheckButtonData->Width() knows nothing about the native checkbox width,
    // so we have mnCheckboxItemWidth which becomes valid when something is added.
    long nCheckWidth = 0;
    if( nTreeFlags & SvTreeFlags::CHKBTN )
        nCheckWidth = mnCheckboxItemWidth;
    long nCheckWidthDIV2 = nCheckWidth / 2;

    long nContextWidth = nContextBmpWidthMax;
    long nContextWidthDIV2 = nContextWidth / 2;

    ClearTabList();

    int nCase = NO_BUTTONS;
    if( !(nTreeFlags & SvTreeFlags::CHKBTN) )
    {
        if( bHasButtons )
            nCase = NODE_BUTTONS;
    }
    else
    {
        if( bHasButtons )
            nCase = NODE_AND_CHECK_BUTTONS;
        else
            nCase = CHECK_BUTTONS;
    }

    switch( nCase )
    {
        case NO_BUTTONS :
            nStartPos += nContextWidthDIV2;  // because of centering
            AddTab( nStartPos, TABFLAGS_CONTEXTBMP );
            nStartPos += nContextWidthDIV2;  // right edge of context bitmap
            // only set a distance if there are bitmaps
            if( nContextBmpWidthMax )
                nStartPos += 5; // distance context bitmap to text
            AddTab( nStartPos, TABFLAGS_TEXT );
            break;

        case NODE_BUTTONS :
            if( bHasButtonsAtRoot )
                nStartPos += ( nIndent + (nNodeWidthPixel/2) );
            else
                nStartPos += nContextWidthDIV2;
            AddTab( nStartPos, TABFLAGS_CONTEXTBMP );
            nStartPos += nContextWidthDIV2;  // right edge of context bitmap
            // only set a distance if there are bitmaps
            if( nContextBmpWidthMax )
                nStartPos += 5; // distance context bitmap to text
            AddTab( nStartPos, TABFLAGS_TEXT );
            break;

        case NODE_AND_CHECK_BUTTONS :
            if( bHasButtonsAtRoot )
                nStartPos += ( nIndent + nNodeWidthPixel );
            else
                nStartPos += nCheckWidthDIV2;
            AddTab( nStartPos, TABFLAGS_CHECKBTN );
            nStartPos += nCheckWidthDIV2;  // right edge of CheckButton
            nStartPos += 3;  // distance CheckButton to context bitmap
            nStartPos += nContextWidthDIV2;  // center of context bitmap
            AddTab( nStartPos, TABFLAGS_CONTEXTBMP );
            nStartPos += nContextWidthDIV2;  // right edge of context bitmap
            // only set a distance if there are bitmaps
            if( nContextBmpWidthMax )
                nStartPos += 5; // distance context bitmap to text
            AddTab( nStartPos, TABFLAGS_TEXT );
            break;

        case CHECK_BUTTONS :
            nStartPos += nCheckWidthDIV2;
            AddTab( nStartPos, TABFLAGS_CHECKBTN );
            nStartPos += nCheckWidthDIV2;  // right edge of CheckButton
            nStartPos += 3;  // distance CheckButton to context bitmap
            nStartPos += nContextWidthDIV2;  // center of context bitmap
            AddTab( nStartPos, TABFLAGS_CONTEXTBMP );
            nStartPos += nContextWidthDIV2;  // right edge of context bitmap
            // only set a distance if there are bitmaps
            if( nContextBmpWidthMax )
                nStartPos += 5; // distance context bitmap to text
            AddTab( nStartPos, TABFLAGS_TEXT );
            break;
    }
    pImpl->NotifyTabsChanged();
}

void SvTreeListBox::InitEntry(SvTreeListEntry* pEntry,
    const OUString& aStr, const Image& aCollEntryBmp, const Image& aExpEntryBmp)
{
    if( nTreeFlags & SvTreeFlags::CHKBTN )
    {
        pEntry->AddItem(std::make_unique<SvLBoxButton>(pCheckButtonData));
    }

    pEntry->AddItem(std::make_unique<SvLBoxContextBmp>( aCollEntryBmp,aExpEntryBmp, mbContextBmpExpanded));

    pEntry->AddItem(std::make_unique<SvLBoxString>(aStr));
}

OUString SvTreeListBox::GetEntryText(SvTreeListEntry* pEntry) const
{
    assert(pEntry);
    SvLBoxString* pItem = static_cast<SvLBoxString*>(pEntry->GetFirstItem(SvLBoxItemType::String));
    assert(pItem);
    return pItem->GetText();
}

const Image& SvTreeListBox::GetExpandedEntryBmp(const SvTreeListEntry* pEntry)
{
    assert(pEntry);
    const SvLBoxContextBmp* pItem = static_cast<const SvLBoxContextBmp*>(pEntry->GetFirstItem(SvLBoxItemType::ContextBmp));
    assert(pItem);
    return pItem->GetBitmap2( );
}

const Image& SvTreeListBox::GetCollapsedEntryBmp( const SvTreeListEntry* pEntry )
{
    assert(pEntry);
    const SvLBoxContextBmp* pItem = static_cast<const SvLBoxContextBmp*>(pEntry->GetFirstItem(SvLBoxItemType::ContextBmp));
    assert(pItem);
    return pItem->GetBitmap1( );
}

IMPL_LINK( SvTreeListBox, CheckButtonClick, SvLBoxButtonData *, pData, void )
{
    pHdlEntry = pData->GetActEntry();
    CheckButtonHdl();
}

SvTreeListEntry* SvTreeListBox::InsertEntry(
    const OUString& rText,
    SvTreeListEntry* pParent,
    bool bChildrenOnDemand, sal_uLong nPos,
    void* pUser
)
{
    nTreeFlags |= SvTreeFlags::MANINS;

    const Image& rDefExpBmp = pImpl->GetDefaultEntryExpBmp( );
    const Image& rDefColBmp = pImpl->GetDefaultEntryColBmp( );

    aCurInsertedExpBmp = rDefExpBmp;
    aCurInsertedColBmp = rDefColBmp;

    SvTreeListEntry* pEntry = new SvTreeListEntry;
    pEntry->SetUserData( pUser );
    InitEntry( pEntry, rText, rDefColBmp, rDefExpBmp );
    pEntry->EnableChildrenOnDemand( bChildrenOnDemand );

    if( !pParent )
        Insert( pEntry, nPos );
    else
        Insert( pEntry, pParent, nPos );

    aPrevInsertedExpBmp = rDefExpBmp;
    aPrevInsertedColBmp = rDefColBmp;

    nTreeFlags &= ~SvTreeFlags::MANINS;

    return pEntry;
}

SvTreeListEntry* SvTreeListBox::InsertEntry( const OUString& rText,
    const Image& aExpEntryBmp, const Image& aCollEntryBmp,
    SvTreeListEntry* pParent, bool bChildrenOnDemand, sal_uLong nPos, void* pUser )
{
    nTreeFlags |= SvTreeFlags::MANINS;

    aCurInsertedExpBmp = aExpEntryBmp;
    aCurInsertedColBmp = aCollEntryBmp;

    SvTreeListEntry* pEntry = new SvTreeListEntry;
    pEntry->SetUserData( pUser );
    InitEntry( pEntry, rText, aCollEntryBmp, aExpEntryBmp );

    pEntry->EnableChildrenOnDemand( bChildrenOnDemand );

    if( !pParent )
        Insert( pEntry, nPos );
    else
        Insert( pEntry, pParent, nPos );

    aPrevInsertedExpBmp = aExpEntryBmp;
    aPrevInsertedColBmp = aCollEntryBmp;

    nTreeFlags &= ~SvTreeFlags::MANINS;

    return pEntry;
}

void SvTreeListBox::SetEntryText(SvTreeListEntry* pEntry, const OUString& rStr)
{
    SvLBoxString* pItem = static_cast<SvLBoxString*>(pEntry->GetFirstItem(SvLBoxItemType::String));
    assert(pItem);
    pItem->SetText(rStr);
    pItem->InitViewData( this, pEntry );
    GetModel()->InvalidateEntry( pEntry );
}

void SvTreeListBox::SetExpandedEntryBmp( SvTreeListEntry* pEntry, const Image& aBmp )
{
    SvLBoxContextBmp* pItem = static_cast<SvLBoxContextBmp*>(pEntry->GetFirstItem(SvLBoxItemType::ContextBmp));

    assert(pItem);
    pItem->SetBitmap2( aBmp );

    ModelHasEntryInvalidated(pEntry);
    SetEntryHeight( pEntry );
    Size aSize = aBmp.GetSizePixel();
    short nWidth = pImpl->UpdateContextBmpWidthVector( pEntry, static_cast<short>(aSize.Width()) );
    if( nWidth > nContextBmpWidthMax )
    {
        nContextBmpWidthMax = nWidth;
        SetTabs();
    }
}

void SvTreeListBox::SetCollapsedEntryBmp(SvTreeListEntry* pEntry,const Image& aBmp )
{
    SvLBoxContextBmp* pItem = static_cast<SvLBoxContextBmp*>(pEntry->GetFirstItem(SvLBoxItemType::ContextBmp));

    assert(pItem);
    pItem->SetBitmap1( aBmp );

    ModelHasEntryInvalidated(pEntry);
    SetEntryHeight( pEntry );
    Size aSize = aBmp.GetSizePixel();
    short nWidth = pImpl->UpdateContextBmpWidthVector( pEntry, static_cast<short>(aSize.Width()) );
    if( nWidth > nContextBmpWidthMax )
    {
        nContextBmpWidthMax = nWidth;
        SetTabs();
    }
}

void SvTreeListBox::CheckBoxInserted(SvTreeListEntry* pEntry)
{
    SvLBoxButton* pItem = static_cast<SvLBoxButton*>(pEntry->GetFirstItem(SvLBoxItemType::Button));
    if( pItem )
    {
        auto nWidth = pItem->GetWidth(this, pEntry);
        if( mnCheckboxItemWidth < nWidth )
        {
            mnCheckboxItemWidth = nWidth;
            nTreeFlags |= SvTreeFlags::RECALCTABS;
        }
    }
}

void SvTreeListBox::ImpEntryInserted( SvTreeListEntry* pEntry )
{

    SvTreeListEntry* pParent = pModel->GetParent( pEntry );
    if( pParent )
    {
        SvTLEntryFlags nFlags = pParent->GetFlags();
        nFlags &= ~SvTLEntryFlags::NO_NODEBMP;
        pParent->SetFlags( nFlags );
    }

    if(!((nTreeFlags & SvTreeFlags::MANINS) &&
         (aPrevInsertedExpBmp == aCurInsertedExpBmp)  &&
         (aPrevInsertedColBmp == aCurInsertedColBmp) ))
    {
        Size aSize = GetCollapsedEntryBmp( pEntry ).GetSizePixel();
        if( aSize.Width() > nContextBmpWidthMax )
        {
            nContextBmpWidthMax = static_cast<short>(aSize.Width());
            nTreeFlags |= SvTreeFlags::RECALCTABS;
        }
        aSize = GetExpandedEntryBmp( pEntry ).GetSizePixel();
        if( aSize.Width() > nContextBmpWidthMax )
        {
            nContextBmpWidthMax = static_cast<short>(aSize.Width());
            nTreeFlags |= SvTreeFlags::RECALCTABS;
        }
    }
    SetEntryHeight( pEntry );

    if( !(nTreeFlags & SvTreeFlags::CHKBTN) )
        return;

    CheckBoxInserted(pEntry);
}

void SvTreeListBox::SetCheckButtonState( SvTreeListEntry* pEntry, SvButtonState eState)
{
    if( !(nTreeFlags & SvTreeFlags::CHKBTN) )
        return;

    SvLBoxButton* pItem = static_cast<SvLBoxButton*>(pEntry->GetFirstItem(SvLBoxItemType::Button));
    if(!pItem)
        return ;
    switch( eState )
    {
        case SvButtonState::Checked:
            pItem->SetStateChecked();
            break;

        case SvButtonState::Unchecked:
            pItem->SetStateUnchecked();
            break;

        case SvButtonState::Tristate:
            pItem->SetStateTristate();
            break;
    }
    InvalidateEntry( pEntry );
}

SvButtonState SvTreeListBox::GetCheckButtonState( SvTreeListEntry* pEntry ) const
{
    SvButtonState eState = SvButtonState::Unchecked;
    if( pEntry && ( nTreeFlags & SvTreeFlags::CHKBTN ) )
    {
        SvLBoxButton* pItem = static_cast<SvLBoxButton*>(pEntry->GetFirstItem(SvLBoxItemType::Button));
        if(!pItem)
            return SvButtonState::Tristate;
        SvItemStateFlags nButtonFlags = pItem->GetButtonFlags();
        eState = SvLBoxButtonData::ConvertToButtonState( nButtonFlags );
    }
    return eState;
}

void SvTreeListBox::CheckButtonHdl()
{
    if ( pCheckButtonData )
        pImpl->CallEventListeners( VclEventId::CheckboxToggle, static_cast<void*>(pCheckButtonData->GetActEntry()) );
}


// TODO: Currently all data is cloned so that they conform to the default tree
// view format. Actually, the model should be used as a reference here. This
// leads to us _not_ calling SvTreeListEntry::Clone, but only its base class
// SvTreeListEntry.


SvTreeListEntry* SvTreeListBox::CloneEntry( SvTreeListEntry* pSource )
{
    OUString aStr;
    Image aCollEntryBmp;
    Image aExpEntryBmp;

    SvLBoxString* pStringItem = static_cast<SvLBoxString*>(pSource->GetFirstItem(SvLBoxItemType::String));
    if( pStringItem )
        aStr = pStringItem->GetText();
    SvLBoxContextBmp* pBmpItem = static_cast<SvLBoxContextBmp*>(pSource->GetFirstItem(SvLBoxItemType::ContextBmp));
    if( pBmpItem )
    {
        aCollEntryBmp = pBmpItem->GetBitmap1( );
        aExpEntryBmp  = pBmpItem->GetBitmap2( );
    }
    SvTreeListEntry* pClone = new SvTreeListEntry;
    InitEntry( pClone, aStr, aCollEntryBmp, aExpEntryBmp );
    pClone->SvTreeListEntry::Clone( pSource );
    pClone->EnableChildrenOnDemand( pSource->HasChildrenOnDemand() );
    pClone->SetUserData( pSource->GetUserData() );

    return pClone;
}

const Image& SvTreeListBox::GetDefaultExpandedEntryBmp( ) const
{
    return pImpl->GetDefaultEntryExpBmp( );
}

const Image& SvTreeListBox::GetDefaultCollapsedEntryBmp( ) const
{
    return pImpl->GetDefaultEntryColBmp( );
}

void SvTreeListBox::SetDefaultExpandedEntryBmp( const Image& aBmp )
{
    Size aSize = aBmp.GetSizePixel();
    if( aSize.Width() > nContextBmpWidthMax )
        nContextBmpWidthMax = static_cast<short>(aSize.Width());
    SetTabs();

    pImpl->SetDefaultEntryExpBmp( aBmp );
}

void SvTreeListBox::SetDefaultCollapsedEntryBmp( const Image& aBmp )
{
    Size aSize = aBmp.GetSizePixel();
    if( aSize.Width() > nContextBmpWidthMax )
        nContextBmpWidthMax = static_cast<short>(aSize.Width());
    SetTabs();

    pImpl->SetDefaultEntryColBmp( aBmp );
}

void SvTreeListBox::EnableCheckButton( SvLBoxButtonData* pData )
{
    if( !pData )
        nTreeFlags &= ~SvTreeFlags::CHKBTN;
    else
    {
        SetCheckButtonData( pData );
        nTreeFlags |= SvTreeFlags::CHKBTN;
        pData->SetLink( LINK(this, SvTreeListBox, CheckButtonClick));
    }

    SetTabs();
    if( IsUpdateMode() )
        Invalidate();
}

void SvTreeListBox::SetCheckButtonData( SvLBoxButtonData* pData )
{
    if ( pData )
        pCheckButtonData = pData;
}

const Image& SvTreeListBox::GetDefaultExpandedNodeImage( )
{
    return SvImpLBox::GetDefaultExpandedNodeImage( );
}

const Image& SvTreeListBox::GetDefaultCollapsedNodeImage( )
{
    return SvImpLBox::GetDefaultCollapsedNodeImage( );
}

void SvTreeListBox::SetNodeBitmaps( const Image& rCollapsedNodeBmp, const Image& rExpandedNodeBmp )
{
    SetExpandedNodeBmp( rExpandedNodeBmp );
    SetCollapsedNodeBmp( rCollapsedNodeBmp );
    SetTabs();
}

bool SvTreeListBox::EditingEntry( SvTreeListEntry* )
{
    return true;
}

bool SvTreeListBox::EditedEntry( SvTreeListEntry* /*pEntry*/,const OUString& /*rNewText*/)
{
    return true;
}

void SvTreeListBox::EnableInplaceEditing( bool bOn )
{
    if (bOn)
        nImpFlags |= SvTreeListBoxFlags::EDT_ENABLED;
    else
        nImpFlags &= ~SvTreeListBoxFlags::EDT_ENABLED;
}

void SvTreeListBox::KeyInput( const KeyEvent& rKEvt )
{
    // under OS/2, we get key up/down even while editing
    if( IsEditingActive() )
        return;

    if( !pImpl->KeyInput( rKEvt ) )
    {
        bool bHandled = HandleKeyInput( rKEvt );
        if ( !bHandled )
            Control::KeyInput( rKEvt );
    }
}

void SvTreeListBox::RequestingChildren( SvTreeListEntry* pParent )
{
    if( !pParent->HasChildren() )
        InsertEntry( "<dummy>", pParent );
}

void SvTreeListBox::GetFocus()
{
    //If there is no item in the tree, draw focus.
    if( !First())
    {
        Invalidate();
    }
    pImpl->GetFocus();
    Control::GetFocus();

    SvTreeListEntry* pEntry = FirstSelected();
    if ( !pEntry )
    {
        pEntry = pImpl->GetCurEntry();
    }
    if (pImpl->m_pCursor)
    {
        if (pEntry != pImpl->m_pCursor)
            pEntry = pImpl->m_pCursor;
    }
    if ( pEntry )
        pImpl->CallEventListeners( VclEventId::ListboxTreeFocus, pEntry );

}

void SvTreeListBox::LoseFocus()
{
    // If there is no item in the tree, delete visual focus.
    if ( !First() )
        Invalidate();
    if ( pImpl )
        pImpl->LoseFocus();
    Control::LoseFocus();
}

void SvTreeListBox::ModelHasCleared()
{
    pImpl->m_pCursor = nullptr; // else we crash in GetFocus when editing in-place
    pTargetEntry = nullptr;
    pEdCtrl.reset();
    pImpl->Clear();
    nFocusWidth = -1;

    nContextBmpWidthMax = 0;
    SetDefaultExpandedEntryBmp( GetDefaultExpandedEntryBmp() );
    SetDefaultCollapsedEntryBmp( GetDefaultCollapsedEntryBmp() );

    if( !(nTreeFlags & SvTreeFlags::FIXEDHEIGHT ))
        nEntryHeight = 0;
    AdjustEntryHeight();
    AdjustEntryHeight( GetDefaultExpandedEntryBmp() );
    AdjustEntryHeight( GetDefaultCollapsedEntryBmp() );

    SvListView::ModelHasCleared();
}

bool SvTreeListBox::PosOverBody(const Point& rPos) const
{
    if (rPos.X() < 0 || rPos.Y() < 0)
        return false;
    Size aSize(GetSizePixel());
    if (rPos.X() > aSize.Width() || rPos.Y() > aSize.Height())
        return false;
    if (pImpl->m_aVerSBar->IsVisible())
    {
        tools::Rectangle aRect(pImpl->m_aVerSBar->GetPosPixel(), pImpl->m_aVerSBar->GetSizePixel());
        if (aRect.IsInside(rPos))
            return false;
    }
    if (pImpl->m_aHorSBar->IsVisible())
    {
        tools::Rectangle aRect(pImpl->m_aHorSBar->GetPosPixel(), pImpl->m_aHorSBar->GetSizePixel());
        if (aRect.IsInside(rPos))
            return false;
    }
    return true;
}

void SvTreeListBox::ScrollOutputArea( short nDeltaEntries )
{
    if( !nDeltaEntries || !pImpl->m_aVerSBar->IsVisible() )
        return;

    long nThumb = pImpl->m_aVerSBar->GetThumbPos();
    long nMax = pImpl->m_aVerSBar->GetRange().Max();

    if( nDeltaEntries < 0 )
    {
        // move window up
        nDeltaEntries *= -1;
        long nVis = pImpl->m_aVerSBar->GetVisibleSize();
        long nTemp = nThumb + nVis;
        if( nDeltaEntries > (nMax - nTemp) )
            nDeltaEntries = static_cast<short>(nMax - nTemp);
        pImpl->PageDown( static_cast<sal_uInt16>(nDeltaEntries) );
    }
    else
    {
        if( nDeltaEntries > nThumb )
            nDeltaEntries = static_cast<short>(nThumb);
        pImpl->PageUp( static_cast<sal_uInt16>(nDeltaEntries) );
    }
    pImpl->SyncVerThumb();
}

void SvTreeListBox::ScrollToAbsPos( long nPos )
{
    pImpl->ScrollToAbsPos( nPos );
}

void SvTreeListBox::SetSelectionMode( SelectionMode eSelectMode )
{
    eSelMode = eSelectMode;
    pImpl->SetSelectionMode( eSelectMode );
}

void SvTreeListBox::SetDragDropMode( DragDropMode nDDMode )
{
    nDragDropMode = nDDMode;
    pImpl->SetDragDropMode( nDDMode );
}

void SvTreeListBox::SetEntryHeight( SvTreeListEntry const * pEntry )
{
    short nHeightMax=0;
    sal_uInt16 nCount = pEntry->ItemCount();
    sal_uInt16 nCur = 0;
    SvViewDataEntry* pViewData = GetViewDataEntry( pEntry );
    while( nCur < nCount )
    {
        auto nHeight = SvLBoxItem::GetHeight(pViewData, nCur);
        if( nHeight > nHeightMax )
            nHeightMax = nHeight;
        nCur++;
    }

    if( nHeightMax > nEntryHeight )
    {
        nEntryHeight = nHeightMax;
        Control::SetFont( GetFont() );
        pImpl->SetEntryHeight();
    }
}

void SvTreeListBox::SetEntryHeight( short nHeight )
{
    if( nHeight > nEntryHeight )
    {
        nEntryHeight = nHeight;
        if( nEntryHeight )
            nTreeFlags |= SvTreeFlags::FIXEDHEIGHT;
        else
            nTreeFlags &= ~SvTreeFlags::FIXEDHEIGHT;
        Control::SetFont( GetFont() );
        pImpl->SetEntryHeight();
    }
}

void SvTreeListBox::SetEntryWidth( short nWidth )
{
    nEntryWidth = nWidth;
}

void SvTreeListBox::AdjustEntryHeight( const Image& rBmp )
{
    const Size aSize( rBmp.GetSizePixel() );
    if( aSize.Height() > nEntryHeight )
    {
        nEntryHeight = static_cast<short>(aSize.Height()) + nEntryHeightOffs;
        pImpl->SetEntryHeight();
    }
}

void SvTreeListBox::AdjustEntryHeight()
{
    Size aSize( GetTextWidth(OUString('X')), GetTextHeight() );
    if( aSize.Height()  >  nEntryHeight )
    {
        nEntryHeight = static_cast<short>(aSize.Height()) + nEntryHeightOffs;
        pImpl->SetEntryHeight();
    }
}

bool SvTreeListBox::Expand( SvTreeListEntry* pParent )
{
    pHdlEntry = pParent;
    bool bExpanded = false;
    SvTLEntryFlags nFlags;

    if( pParent->HasChildrenOnDemand() )
        RequestingChildren( pParent );
    bool bExpandAllowed = pParent->HasChildren() && ExpandingHdl();
    // double check if the expander callback ended up removing all children
    if (pParent->HasChildren())
    {
        if (bExpandAllowed)
        {
            bExpanded = true;
            ExpandListEntry( pParent );
            pImpl->EntryExpanded( pParent );
            pHdlEntry = pParent;
            ExpandedHdl();
            SetAlternatingRowColors( mbAlternatingRowColors );
        }
        nFlags = pParent->GetFlags();
        nFlags &= ~SvTLEntryFlags::NO_NODEBMP;
        nFlags |= SvTLEntryFlags::HAD_CHILDREN;
        pParent->SetFlags( nFlags );
    }
    else
    {
        nFlags = pParent->GetFlags();
        nFlags |= SvTLEntryFlags::NO_NODEBMP;
        pParent->SetFlags( nFlags );
        GetModel()->InvalidateEntry( pParent ); // repaint
    }

    // #i92103#
    if ( bExpanded )
    {
        pImpl->CallEventListeners( VclEventId::ItemExpanded, pParent );
    }

    return bExpanded;
}

bool SvTreeListBox::Collapse( SvTreeListEntry* pParent )
{
    pHdlEntry = pParent;
    bool bCollapsed = false;

    if( ExpandingHdl() )
    {
        bCollapsed = true;
        pImpl->CollapsingEntry( pParent );
        CollapseListEntry( pParent );
        pImpl->EntryCollapsed( pParent );
        pHdlEntry = pParent;
        ExpandedHdl();
        SetAlternatingRowColors( mbAlternatingRowColors );
    }

    // #i92103#
    if ( bCollapsed )
    {
        pImpl->CallEventListeners( VclEventId::ItemCollapsed, pParent );
    }

    return bCollapsed;
}

bool SvTreeListBox::Select( SvTreeListEntry* pEntry, bool bSelect )
{
    DBG_ASSERT(pEntry,"Select: Null-Ptr");
    bool bRetVal = SelectListEntry( pEntry, bSelect );
    DBG_ASSERT(IsSelected(pEntry)==bSelect,"Select failed");
    if( bRetVal )
    {
        pImpl->EntrySelected( pEntry, bSelect );
        pHdlEntry = pEntry;
        if( bSelect )
        {
            SelectHdl();
            CallEventListeners( VclEventId::ListboxTreeSelect, pEntry);
        }
        else
            DeselectHdl();
    }
    return bRetVal;
}

sal_uLong SvTreeListBox::SelectChildren( SvTreeListEntry* pParent, bool bSelect )
{
    pImpl->DestroyAnchor();
    sal_uLong nRet = 0;
    if( !pParent->HasChildren() )
        return 0;
    sal_uInt16 nRefDepth = pModel->GetDepth( pParent );
    SvTreeListEntry* pChild = FirstChild( pParent );
    do {
        nRet++;
        Select( pChild, bSelect );
        pChild = Next( pChild );
    } while( pChild && pModel->GetDepth( pChild ) > nRefDepth );
    return nRet;
}

void SvTreeListBox::SelectAll( bool bSelect )
{
    pImpl->SelAllDestrAnch(
        bSelect,
        true,       // delete anchor,
        true );     // even when using SelectionMode::Single, deselect the cursor
}

void SvTreeListBox::ModelHasInsertedTree( SvTreeListEntry* pEntry )
{
    sal_uInt16 nRefDepth = pModel->GetDepth( pEntry );
    SvTreeListEntry* pTmp = pEntry;
    do
    {
        ImpEntryInserted( pTmp );
        pTmp = Next( pTmp );
    } while( pTmp && nRefDepth < pModel->GetDepth( pTmp ) );
    pImpl->TreeInserted( pEntry );
}

void SvTreeListBox::ModelHasInserted( SvTreeListEntry* pEntry )
{
    ImpEntryInserted( pEntry );
    pImpl->EntryInserted( pEntry );
}

void SvTreeListBox::ModelIsMoving(SvTreeListEntry* pSource )
{
    pImpl->MovingEntry( pSource );
}

void SvTreeListBox::ModelHasMoved( SvTreeListEntry* pSource )
{
    pImpl->EntryMoved( pSource );
}

void SvTreeListBox::ModelIsRemoving( SvTreeListEntry* pEntry )
{
    if(pEdEntry == pEntry)
        pEdEntry = nullptr;

    pImpl->RemovingEntry( pEntry );
}

void SvTreeListBox::ModelHasRemoved( SvTreeListEntry* pEntry  )
{
    if (pEntry == pHdlEntry)
        pHdlEntry = nullptr;

    if (pEntry == pTargetEntry)
        pTargetEntry = nullptr;

    pImpl->EntryRemoved();
}

void SvTreeListBox::SetCollapsedNodeBmp( const Image& rBmp)
{
    AdjustEntryHeight( rBmp );
    pImpl->SetCollapsedNodeBmp( rBmp );
}

void SvTreeListBox::SetExpandedNodeBmp( const Image& rBmp )
{
    AdjustEntryHeight( rBmp );
    pImpl->SetExpandedNodeBmp( rBmp );
}


void SvTreeListBox::SetFont( const vcl::Font& rFont )
{
    vcl::Font aTempFont( rFont );
    vcl::Font aOrigFont( GetFont() );
    aTempFont.SetTransparent( true );
    if (aTempFont == aOrigFont)
        return;
    Control::SetFont( aTempFont );

    aTempFont.SetColor(aOrigFont.GetColor());
    aTempFont.SetFillColor(aOrigFont.GetFillColor());
    aTempFont.SetTransparent(aOrigFont.IsTransparent());

    if (aTempFont == aOrigFont)
        return;

    AdjustEntryHeightAndRecalc();
}

void SvTreeListBox::AdjustEntryHeightAndRecalc()
{
    AdjustEntryHeight();
    // always invalidate, else things go wrong in SetEntryHeight
    RecalcViewData();
}

void SvTreeListBox::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
{
    Control::Paint(rRenderContext, rRect);
    if (nTreeFlags & SvTreeFlags::RECALCTABS)
        SetTabs();
    pImpl->Paint(rRenderContext, rRect);

    //Add visual focus draw
    if (First())
        return;

    if (HasFocus())
    {
        long nHeight = rRenderContext.GetTextHeight();
        tools::Rectangle aRect(Point(0, 0), Size(GetSizePixel().Width(), nHeight));
        ShowFocus(aRect);
    }
    else
    {
        HideFocus();
    }
}

void SvTreeListBox::MouseButtonDown( const MouseEvent& rMEvt )
{
    pImpl->MouseButtonDown( rMEvt );
}

void SvTreeListBox::MouseButtonUp( const MouseEvent& rMEvt )
{
    pImpl->MouseButtonUp( rMEvt );
}

void SvTreeListBox::MouseMove( const MouseEvent& rMEvt )
{
    pImpl->MouseMove( rMEvt );
}

void SvTreeListBox::SetUpdateMode( bool bUpdate )
{
    pImpl->SetUpdateMode( bUpdate );
    mbUpdateAlternatingRows = bUpdate;
    SetAlternatingRowColors( mbAlternatingRowColors );
}

void SvTreeListBox::SetSpaceBetweenEntries( short nOffsLogic )
{
    if( nOffsLogic != nEntryHeightOffs )
    {
        nEntryHeight = nEntryHeight - nEntryHeightOffs;
        nEntryHeightOffs = nOffsLogic;
        nEntryHeight = nEntryHeight + nOffsLogic;
        AdjustEntryHeightAndRecalc();
        pImpl->SetEntryHeight();
    }
}

void SvTreeListBox::SetCurEntry( SvTreeListEntry* pEntry )
{
    pImpl->SetCurEntry( pEntry );
}

Image const & SvTreeListBox::GetExpandedNodeBmp( ) const
{
    return pImpl->GetExpandedNodeBmp( );
}

Point SvTreeListBox::GetEntryPosition(const SvTreeListEntry* pEntry) const
{
    return pImpl->GetEntryPosition( pEntry );
}

void SvTreeListBox::MakeVisible( SvTreeListEntry* pEntry )
{
    pImpl->MakeVisible(pEntry);
}

void SvTreeListBox::MakeVisible( SvTreeListEntry* pEntry, bool bMoveToTop )
{
    pImpl->MakeVisible( pEntry, bMoveToTop );
}

void SvTreeListBox::ModelHasEntryInvalidated( SvTreeListEntry* pEntry )
{

    // reinitialize the separate items of the entries
    sal_uInt16 nCount = pEntry->ItemCount();
    for( sal_uInt16 nIdx = 0; nIdx < nCount; nIdx++ )
    {
        SvLBoxItem& rItem = pEntry->GetItem( nIdx );
        rItem.InitViewData( this, pEntry );
    }

    // repaint
    pImpl->InvalidateEntry( pEntry );
}

void SvTreeListBox::EditItemText(SvTreeListEntry* pEntry, SvLBoxString* pItem, const Selection& rSelection)
{
    assert(pEntry && pItem);
    if( IsSelected( pEntry ))
    {
        pImpl->ShowCursor( false );
        SelectListEntry( pEntry, false );
        pImpl->InvalidateEntry(pEntry);
        SelectListEntry( pEntry, true );
        pImpl->ShowCursor( true );
    }
    pEdEntry = pEntry;
    pEdItem = pItem;
    SvLBoxTab* pTab = GetTab( pEntry, pItem );
    DBG_ASSERT(pTab,"EditItemText:Tab not found");

    auto nItemHeight( pItem->GetHeight(this, pEntry) );
    Point aPos = GetEntryPosition( pEntry );
    aPos.AdjustY(( nEntryHeight - nItemHeight ) / 2 );
    aPos.setX( GetTabPos( pEntry, pTab ) );
    long nOutputWidth = pImpl->GetOutputSize().Width();
    Size aSize( nOutputWidth - aPos.X(), nItemHeight );
    sal_uInt16 nPos = std::find_if( aTabs.begin(), aTabs.end(),
                        [pTab](const std::unique_ptr<SvLBoxTab>& p) { return p.get() == pTab; })
                      - aTabs.begin();
    if( nPos+1 < static_cast<sal_uInt16>(aTabs.size()) )
    {
        SvLBoxTab* pRightTab = aTabs[ nPos + 1 ].get();
        long nRight = GetTabPos( pEntry, pRightTab );
        if( nRight <= nOutputWidth )
            aSize.setWidth( nRight - aPos.X() );
    }
    Point aOrigin( GetMapMode().GetOrigin() );
    aPos += aOrigin; // convert to win coordinates
    aSize.AdjustWidth( -(aOrigin.X()) );
    tools::Rectangle aRect( aPos, aSize );
    EditText( pItem->GetText(), aRect, rSelection );
}

void SvTreeListBox::EditEntry( SvTreeListEntry* pEntry )
{
    pImpl->m_aEditClickPos = Point( -1, -1 );
    ImplEditEntry( pEntry );
}

void SvTreeListBox::ImplEditEntry( SvTreeListEntry* pEntry )
{
    if( IsEditingActive() )
        EndEditing();
    if( !pEntry )
        pEntry = GetCurEntry();
    if( !pEntry )
        return;

    long nClickX = pImpl->m_aEditClickPos.X();
    bool bIsMouseTriggered = nClickX >= 0;

    SvLBoxString* pItem = nullptr;
    sal_uInt16 nCount = pEntry->ItemCount();
    long nTabPos, nNextTabPos = 0;
    for( sal_uInt16 i = 0 ; i < nCount ; i++ )
    {
        SvLBoxItem& rTmpItem = pEntry->GetItem( i );
        if (rTmpItem.GetType() != SvLBoxItemType::String)
            continue;

        SvLBoxTab* pTab = GetTab( pEntry, &rTmpItem );
        nNextTabPos = -1;
        if( i < nCount - 1 )
        {
            SvLBoxItem& rNextItem = pEntry->GetItem( i + 1 );
            SvLBoxTab* pNextTab = GetTab( pEntry, &rNextItem );
            nNextTabPos = pNextTab->GetPos();
        }

        if( pTab && pTab->IsEditable() )
        {
            nTabPos = pTab->GetPos();
            if( !bIsMouseTriggered || (nClickX > nTabPos && (nNextTabPos == -1 || nClickX < nNextTabPos ) ) )
            {
                pItem = static_cast<SvLBoxString*>( &rTmpItem );
                break;
            }
        }
    }

    if( pItem && EditingEntry( pEntry ) )
    {
        Selection aSel( SELECTION_MIN, SELECTION_MAX );
        SelectAll( false );
        MakeVisible( pEntry );
        EditItemText( pEntry, pItem, aSel );
    }
}

void SvTreeListBox::EditedText( const OUString& rStr )

{
    if(pEdEntry) // we have to check if this entry is null that means that it is removed while editing
    {
        if( EditedEntry( pEdEntry, rStr ) )
        {
            static_cast<SvLBoxString*>(pEdItem)->SetText( rStr );
            pModel->InvalidateEntry( pEdEntry );
        }
        if( GetSelectionCount() == 0 )
            Select( pEdEntry );
        if( GetSelectionMode() == SelectionMode::Multiple && !GetCurEntry() )
            SetCurEntry( pEdEntry );
    }
}

SvTreeListEntry* SvTreeListBox::GetDropTarget( const Point& rPos )
{
    // scroll
    if( rPos.Y() < 12 )
    {
        ImplShowTargetEmphasis(pTargetEntry, false);
        ScrollOutputArea( +1 );
    }
    else
    {
        Size aSize( pImpl->GetOutputSize() );
        if( rPos.Y() > aSize.Height() - 12 )
        {
            ImplShowTargetEmphasis(pTargetEntry, false);
            ScrollOutputArea( -1 );
        }
    }

    SvTreeListEntry* pTarget = pImpl->GetEntry( rPos );
    // when dropping in a vacant space, use the last entry
    if( !pTarget )
        return LastVisible();
    else if( (GetDragDropMode() & DragDropMode::ENABLE_TOP) &&
             pTarget == First() && rPos.Y() < 6 )
        return nullptr;

    return pTarget;
}


SvTreeListEntry* SvTreeListBox::GetEntry( const Point& rPos, bool bHit ) const
{
    SvTreeListEntry* pEntry = pImpl->GetEntry( rPos );
    if( pEntry && bHit )
    {
        long nLine = pImpl->GetEntryLine( pEntry );
        if( !(pImpl->EntryReallyHit( pEntry, rPos, nLine)) )
            return nullptr;
    }
    return pEntry;
}

SvTreeListEntry* SvTreeListBox::GetCurEntry() const
{
    return pImpl ? pImpl->GetCurEntry() : nullptr;
}

void SvTreeListBox::ImplInitStyle()
{
    const WinBits nWindowStyle = GetStyle();

    nTreeFlags |= SvTreeFlags::RECALCTABS;
    if (nWindowStyle & WB_SORT)
    {
        GetModel()->SetSortMode(SortAscending);
        GetModel()->SetCompareHdl(LINK(this, SvTreeListBox, DefaultCompare));
    }
    else
    {
        GetModel()->SetSortMode(SortNone);
        GetModel()->SetCompareHdl(Link<const SvSortData&,sal_Int32>());
    }
    pImpl->SetStyle(nWindowStyle);
    pImpl->Resize();
    Invalidate();
}

void SvTreeListBox::InvalidateEntry(SvTreeListEntry* pEntry)
{
    DBG_ASSERT(pEntry,"InvalidateEntry:No Entry");
    if (pEntry)
    {
        GetModel()->InvalidateEntry(pEntry);
    }
}

void SvTreeListBox::PaintEntry1(SvTreeListEntry& rEntry, long nLine, vcl::RenderContext& rRenderContext)
{
    tools::Rectangle aRect; // multi purpose

    bool bHorSBar = pImpl->HasHorScrollBar();

    pImpl->UpdateContextBmpWidthMax(&rEntry);

    if (nTreeFlags & SvTreeFlags::RECALCTABS)
        SetTabs();

    short nTempEntryHeight = GetEntryHeight();
    long nWidth = pImpl->GetOutputSize().Width();

    // Did we turn on the scrollbar within PreparePaints? If yes, we have to set
    // the ClipRegion anew.
    if (!bHorSBar && pImpl->HasHorScrollBar())
        rRenderContext.SetClipRegion(vcl::Region(pImpl->GetClipRegionRect()));

    Point aEntryPos(rRenderContext.GetMapMode().GetOrigin());
    aEntryPos.setX( aEntryPos.X() * -1 ); // conversion document coordinates
    long nMaxRight = nWidth + aEntryPos.X() - 1;

    Color aBackupTextColor(rRenderContext.GetTextColor());
    vcl::Font aBackupFont(rRenderContext.GetFont());
    Color aBackupColor = rRenderContext.GetFillColor();

    bool bCurFontIsSel = false;
    // if a ClipRegion was set from outside, we don't have to reset it
    const WinBits nWindowStyle = GetStyle();
    const bool bHideSelection = (nWindowStyle & WB_HIDESELECTION) !=0 && !HasFocus();
    const StyleSettings& rSettings = rRenderContext.GetSettings().GetStyleSettings();

    vcl::Font aHighlightFont(rRenderContext.GetFont());
    const Color aHighlightTextColor(rSettings.GetHighlightTextColor());
    aHighlightFont.SetColor(aHighlightTextColor);

    Size aRectSize(0, nTempEntryHeight);

    SvViewDataEntry* pViewDataEntry = GetViewDataEntry( &rEntry );

    const size_t nTabCount = aTabs.size();
    const size_t nItemCount = rEntry.ItemCount();
    size_t nCurTab = 0;
    size_t nCurItem = 0;

    while (nCurTab < nTabCount && nCurItem < nItemCount)
    {
        SvLBoxTab* pTab = aTabs[nCurTab].get();
        const size_t nNextTab = nCurTab + 1;
        SvLBoxTab* pNextTab = nNextTab < nTabCount ? aTabs[nNextTab].get() : nullptr;
        SvLBoxItem& rItem = rEntry.GetItem(nCurItem);

        SvLBoxTabFlags nFlags = pTab->nFlags;
        Size aSize(rItem.GetWidth(this, pViewDataEntry, nCurItem),
                   SvLBoxItem::GetHeight(pViewDataEntry, nCurItem));
        long nTabPos = GetTabPos(&rEntry, pTab);

        long nNextTabPos;
        if (pNextTab)
            nNextTabPos = GetTabPos(&rEntry, pNextTab);
        else
        {
            nNextTabPos = nMaxRight;
            if (nTabPos > nMaxRight)
                nNextTabPos += 50;
        }

        long nX;
        if( pTab->nFlags & SvLBoxTabFlags::ADJUST_RIGHT )
            // avoid cutting the right edge off the tab separation
            nX = nTabPos + pTab->CalcOffset(aSize.Width(), (nNextTabPos - SV_TAB_BORDER - 1) - nTabPos);
        else
            nX = nTabPos + pTab->CalcOffset(aSize.Width(), nNextTabPos - nTabPos);

        aEntryPos.setX( nX );
        aEntryPos.setY( nLine );

        // set background pattern/color

        Wallpaper aWallpaper = rRenderContext.GetBackground();

        bool bSelTab = bool(nFlags & SvLBoxTabFlags::SHOW_SELECTION);

        if (pViewDataEntry->IsHighlighted() && bSelTab)
        {
            Color aNewWallColor = rSettings.GetHighlightColor();
            // if the face color is bright then the deactivate color is also bright
            // -> so you can't see any deactivate selection
            if (bHideSelection && !rSettings.GetFaceColor().IsBright()
               && aWallpaper.GetColor().IsBright() != rSettings.GetDeactiveColor().IsBright())
            {
                aNewWallColor = rSettings.GetDeactiveColor();
            }
            // set font color to highlight
            if (!bCurFontIsSel)
            {
                rRenderContext.SetTextColor(aHighlightTextColor);
                rRenderContext.SetFont(aHighlightFont);
                bCurFontIsSel = true;
            }
            aWallpaper.SetColor(aNewWallColor);
        }
        else  // no selection
        {
            if (bCurFontIsSel || rEntry.GetTextColor())
            {
                bCurFontIsSel = false;
                if (const auto & xCustomTextColor = rEntry.GetTextColor())
                    rRenderContext.SetTextColor(*xCustomTextColor);
                else
                    rRenderContext.SetTextColor(aBackupTextColor);
                rRenderContext.SetFont(aBackupFont);
            }
            else
            {
                aWallpaper.SetColor(rEntry.GetBackColor());
            }
        }

        // draw background
        if (!(nTreeFlags & SvTreeFlags::USESEL))
        {
            // only draw the area that is used by the item
            aRectSize.setWidth( aSize.Width() );
            aRect.SetPos(aEntryPos);
            aRect.SetSize(aRectSize);
        }
        else
        {
            // draw from the current to the next tab
            if (nCurTab != 0)
                aRect.SetLeft( nTabPos );
            else
                // if we're in the 0th tab, always draw from column 0 --
                // else we get problems with centered tabs
                aRect.SetLeft( 0 );
            aRect.SetTop( nLine );
            aRect.SetBottom( nLine + nTempEntryHeight - 1 );
            if (pNextTab)
            {
                long nRight;
                nRight = GetTabPos(&rEntry, pNextTab) - 1;
                if (nRight > nMaxRight)
                    nRight = nMaxRight;
                aRect.SetRight( nRight );
            }
            else
            {
                aRect.SetRight( nMaxRight );
            }
        }
        // A custom selection that starts at a tab position > 0, do not fill
        // the background of the 0th item, else e.g. we might not be able to
        // realize tab listboxes with lines.
        if (!(nCurTab == 0 && (nTreeFlags & SvTreeFlags::USESEL) && nFirstSelTab))
        {
            Color aBackgroundColor = aWallpaper.GetColor();
            if (aBackgroundColor != COL_TRANSPARENT)
            {
                rRenderContext.SetFillColor(aBackgroundColor);
                // this case may occur for smaller horizontal resizes
                if (aRect.Left() < aRect.Right())
                    rRenderContext.DrawRect(aRect);
            }
        }
        // draw item
        // center vertically
        aEntryPos.AdjustY((nTempEntryHeight - aSize.Height()) / 2 );

        rItem.Paint(aEntryPos, *this, rRenderContext, pViewDataEntry, rEntry);

        // division line between tabs
        if (pNextTab && rItem.GetType() == SvLBoxItemType::String &&
            // not at the right edge of the window!
            aRect.Right() < nMaxRight)
        {
            aRect.SetLeft( aRect.Right() - SV_TAB_BORDER );
            rRenderContext.DrawRect(aRect);
        }

        rRenderContext.SetFillColor(aBackupColor);

        nCurItem++;
        nCurTab++;
    }

    if (pViewDataEntry->IsDragTarget())
    {
        rRenderContext.Push();
        rRenderContext.SetLineColor(rSettings.GetDeactiveColor());
        rRenderContext.SetFillColor(rSettings.GetDeactiveColor());
        rRenderContext.DrawRect(tools::Rectangle(Point(0, nLine), Size(nWidth, 2)));
        rRenderContext.Pop();
    }

    if (bCurFontIsSel || rEntry.GetTextColor())
    {
        rRenderContext.SetTextColor(aBackupTextColor);
        rRenderContext.SetFont(aBackupFont);
    }

    sal_uInt16 nFirstDynTabPos(0);
    SvLBoxTab* pFirstDynamicTab = GetFirstDynamicTab(nFirstDynTabPos);
    long nDynTabPos = GetTabPos(&rEntry, pFirstDynamicTab);
    nDynTabPos += pImpl->m_nNodeBmpTabDistance;
    nDynTabPos += pImpl->m_nNodeBmpWidth / 2;
    nDynTabPos += 4; // 4 pixels of buffer, so the node bitmap is not too close
                     // to the next tab

    if( !((!(rEntry.GetFlags() & SvTLEntryFlags::NO_NODEBMP)) &&
        (nWindowStyle & WB_HASBUTTONS) && pFirstDynamicTab &&
        (rEntry.HasChildren() || rEntry.HasChildrenOnDemand())))
        return;

    // find first tab and check if the node bitmap extends into it
    sal_uInt16 nNextTab = nFirstDynTabPos;
    SvLBoxTab* pNextTab;
    do
    {
        nNextTab++;
        pNextTab = nNextTab < nTabCount ? aTabs[nNextTab].get() : nullptr;
    } while (pNextTab && pNextTab->IsDynamic());

    if (pNextTab && (GetTabPos( &rEntry, pNextTab ) <= nDynTabPos))
        return;

    if (!((nWindowStyle & WB_HASBUTTONSATROOT) || pModel->GetDepth(&rEntry) > 0))
        return;

    Point aPos(GetTabPos(&rEntry, pFirstDynamicTab), nLine);
    aPos.AdjustX(pImpl->m_nNodeBmpTabDistance );

    const Image* pImg = nullptr;

    if (IsExpanded(&rEntry))
        pImg = &pImpl->GetExpandedNodeBmp();
    else
    {
        if ((!rEntry.HasChildren()) && rEntry.HasChildrenOnDemand() &&
            (!(rEntry.GetFlags() & SvTLEntryFlags::HAD_CHILDREN)) &&
            pImpl->GetDontKnowNodeBmp().GetSizePixel().Width())
        {
            pImg = &pImpl->GetDontKnowNodeBmp( );
        }
        else
        {
            pImg = &pImpl->GetCollapsedNodeBmp( );
        }
    }
    aPos.AdjustY((nTempEntryHeight - pImg->GetSizePixel().Height()) / 2 );

    DrawImageFlags nStyle = DrawImageFlags::NONE;
    if (!IsEnabled())
        nStyle |= DrawImageFlags::Disable;

    //native
    bool bNativeOK = false;
    if (rRenderContext.IsNativeControlSupported(ControlType::ListNode, ControlPart::Entire))
    {
        ImplControlValue aControlValue;
        tools::Rectangle aCtrlRegion(aPos,  pImg->GetSizePixel());
        ControlState nState = ControlState::NONE;

        if (IsEnabled())
            nState |= ControlState::ENABLED;

        if (IsExpanded(&rEntry))
            aControlValue.setTristateVal(ButtonValue::On); //expanded node
        else
        {
            if ((!rEntry.HasChildren()) && rEntry.HasChildrenOnDemand() &&
                (!(rEntry.GetFlags() & SvTLEntryFlags::HAD_CHILDREN)) &&
                pImpl->GetDontKnowNodeBmp().GetSizePixel().Width())
            {
                aControlValue.setTristateVal( ButtonValue::DontKnow ); //don't know
            }
            else
            {
                aControlValue.setTristateVal( ButtonValue::Off ); //collapsed node
            }
        }

        bNativeOK = rRenderContext.DrawNativeControl(ControlType::ListNode, ControlPart::Entire, aCtrlRegion, nState, aControlValue, OUString());
    }

    if (!bNativeOK)
    {
        rRenderContext.DrawImage(aPos, *pImg ,nStyle);
    }
}

void SvTreeListBox::DrawCustomEntry(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect, const SvTreeListEntry& rEntry)
{
    aCustomRenderHdl.Call(std::tuple<vcl::RenderContext&, const tools::Rectangle&, const SvTreeListEntry&>(rRenderContext, rRect, rEntry));
}

Size SvTreeListBox::MeasureCustomEntry(vcl::RenderContext& rRenderContext, const SvTreeListEntry& rEntry)
{
    return aCustomMeasureHdl.Call(std::pair<vcl::RenderContext&, const SvTreeListEntry&>(rRenderContext, rEntry));
}

tools::Rectangle SvTreeListBox::GetFocusRect(const SvTreeListEntry* pEntry, long nLine )
{
    pImpl->UpdateContextBmpWidthMax( pEntry );

    Size aSize;
    tools::Rectangle aRect;
    aRect.SetTop( nLine );
    aSize.setHeight( GetEntryHeight() );

    long nRealWidth = pImpl->GetOutputSize().Width();
    nRealWidth -= GetMapMode().GetOrigin().X();

    sal_uInt16 nCurTab;
    SvLBoxTab* pTab = GetFirstTab( SvLBoxTabFlags::SHOW_SELECTION, nCurTab );
    long nTabPos = 0;
    if( pTab )
        nTabPos = GetTabPos( pEntry, pTab );
    long nNextTabPos;
    if( pTab && nCurTab < aTabs.size() - 1 )
    {
        SvLBoxTab* pNextTab = aTabs[ nCurTab + 1 ].get();
        nNextTabPos = GetTabPos( pEntry, pNextTab );
    }
    else
    {
        nNextTabPos = nRealWidth;
        if( nTabPos > nRealWidth )
            nNextTabPos += 50;
    }

    bool bUserSelection = bool( nTreeFlags & SvTreeFlags::USESEL );
    if( !bUserSelection )
    {
        if( pTab && nCurTab < pEntry->ItemCount() )
        {
            const SvLBoxItem& rItem = pEntry->GetItem( nCurTab );
            aSize.setWidth(rItem.GetWidth(this, pEntry));
            if( !aSize.Width() )
                aSize.setWidth( 15 );
            long nX = nTabPos; //GetTabPos( pEntry, pTab );
            // alignment
            nX += pTab->CalcOffset( aSize.Width(), nNextTabPos - nTabPos );
            aRect.SetLeft( nX );
            // make sure that first and last letter aren't cut off slightly
            aRect.SetSize( aSize );
            if( aRect.Left() > 0 )
                aRect.AdjustLeft( -1 );
            aRect.AdjustRight( 1 );
        }
    }
    else
    {
        // if SelTab != 0, we have to calculate also
        if( nFocusWidth == -1 || nFirstSelTab )
        {
            SvLBoxTab* pLastTab = nullptr; // default to select whole width

            sal_uInt16 nLastTab;
            GetLastTab(SvLBoxTabFlags::SHOW_SELECTION,nLastTab);
            nLastTab++;
            if( nLastTab < aTabs.size() ) // is there another one?
                pLastTab = aTabs[ nLastTab ].get();

            aSize.setWidth( pLastTab ? pLastTab->GetPos() : 0x0fffffff );
            nFocusWidth = static_cast<short>(aSize.Width());
            if( pTab )
                nFocusWidth = nFocusWidth - static_cast<short>(nTabPos); //pTab->GetPos();
        }
        else
        {
            aSize.setWidth( nFocusWidth );
            if( pTab )
            {
                if( nCurTab )
                    aSize.AdjustWidth(nTabPos );
                else
                    aSize.AdjustWidth(pTab->GetPos() ); // Tab0 always from the leftmost position
            }
        }
        // if selection starts with 0th tab, draw from column 0 on
        if( nCurTab != 0 )
        {
            aRect.SetLeft( nTabPos );
            aSize.AdjustWidth( -nTabPos );
        }
        aRect.SetSize( aSize );
    }
    // adjust right edge because of clipping
    if( aRect.Right() >= nRealWidth )
    {
        aRect.SetRight( nRealWidth-1 );
        nFocusWidth = static_cast<short>(aRect.GetWidth());
    }
    return aRect;
}

sal_IntPtr SvTreeListBox::GetTabPos(const SvTreeListEntry* pEntry, SvLBoxTab* pTab)
{
    assert(pTab);
    sal_IntPtr nPos = pTab->GetPos();
    if( pTab->IsDynamic() )
    {
        sal_uInt16 nDepth = pModel->GetDepth( pEntry );
        nDepth = nDepth * static_cast<sal_uInt16>(nIndent);
        nPos += static_cast<sal_IntPtr>(nDepth);
    }
    return nPos + (pEntry->GetExtraIndent() * nIndent);
}

SvLBoxItem* SvTreeListBox::GetItem_Impl( SvTreeListEntry* pEntry, long nX,
    SvLBoxTab** ppTab )
{
    SvLBoxItem* pItemClicked = nullptr;
    sal_uInt16 nTabCount = aTabs.size();
    sal_uInt16 nItemCount = pEntry->ItemCount();
    SvLBoxTab* pTab = aTabs.front().get();
    SvLBoxItem* pItem = &pEntry->GetItem(0);
    sal_uInt16 nNextItem = 1;
    nX -= GetMapMode().GetOrigin().X();
    long nRealWidth = pImpl->GetOutputSize().Width();
    nRealWidth -= GetMapMode().GetOrigin().X();

    while( true )
    {
        SvLBoxTab* pNextTab=nNextItem<nTabCount ? aTabs[nNextItem].get() : nullptr;
        long nStart = GetTabPos( pEntry, pTab );

        long nNextTabPos;
        if( pNextTab )
            nNextTabPos = GetTabPos( pEntry, pNextTab );
        else
        {
            nNextTabPos = nRealWidth;
            if( nStart > nRealWidth )
                nNextTabPos += 50;
        }

        auto nItemWidth(pItem->GetWidth(this, pEntry));
        nStart += pTab->CalcOffset(nItemWidth, nNextTabPos - nStart);
        auto nLen = nItemWidth;
        if( pNextTab )
        {
            long nTabWidth = GetTabPos( pEntry, pNextTab ) - nStart;
            if( nTabWidth < nLen )
                nLen = nTabWidth;
        }

        if( nX >= nStart && nX < (nStart+nLen ) )
        {
            pItemClicked = pItem;
            if( ppTab )
            {
                *ppTab = pTab;
                break;
            }
        }
        if( nNextItem >= nItemCount || nNextItem >= nTabCount)
            break;
        pTab = aTabs[ nNextItem ].get();
        pItem = &pEntry->GetItem( nNextItem );
        nNextItem++;
    }
    return pItemClicked;
}

long SvTreeListBox::getPreferredDimensions(std::vector<long> &rWidths) const
{
    long nHeight = 0;
    rWidths.clear();
    SvTreeListEntry* pEntry = First();
    while (pEntry)
    {
        sal_uInt16 nCount = pEntry->ItemCount();
        sal_uInt16 nCurPos = 0;
        if (nCount > rWidths.size())
            rWidths.resize(nCount);
        while (nCurPos < nCount)
        {
            SvLBoxItem& rItem = pEntry->GetItem( nCurPos );
            auto nWidth = rItem.GetWidth(this, pEntry);
            if (nWidth)
            {
                nWidth += SV_TAB_BORDER * 2;
                if (nWidth > rWidths[nCurPos])
                   rWidths[nCurPos] = nWidth;
            }
            ++nCurPos;
        }
        pEntry = Next( pEntry );
        nHeight += GetEntryHeight();
    }
    return nHeight;
}

Size SvTreeListBox::GetOptimalSize() const
{
    std::vector<long> aWidths;
    Size aRet(0, getPreferredDimensions(aWidths));
    for (long aWidth : aWidths)
        aRet.AdjustWidth(aWidth );
    if (GetStyle() & WB_BORDER)
    {
        aRet.AdjustWidth(StyleSettings::GetBorderSize() * 2 );
        aRet.AdjustHeight(StyleSettings::GetBorderSize() * 2 );
    }
    long nMinWidth = nMinWidthInChars * approximate_char_width();
    aRet.setWidth( std::max(aRet.Width(), nMinWidth) );

    if (GetStyle() & WB_VSCROLL)
        aRet.AdjustWidth(GetSettings().GetStyleSettings().GetScrollBarSize());

    return aRet;
}

void SvTreeListBox::SetAlternatingRowColors( bool bEnable )
{
    if( !mbUpdateAlternatingRows )
    {
        mbAlternatingRowColors = bEnable;
        return;
    }

    if( bEnable )
    {
        SvTreeListEntry* pEntry = pModel->First();
        for(size_t i = 0; pEntry; ++i)
        {
            pEntry->SetBackColor( i % 2 == 0 ? GetBackground().GetColor() : GetSettings().GetStyleSettings().GetAlternatingRowColor());
            SvTreeListEntry *pNextEntry = nullptr;
            if( IsExpanded( pEntry ) )
                pNextEntry = pModel->FirstChild( pEntry );
            else
                pNextEntry = pEntry->NextSibling();

            if( !pNextEntry )
                pEntry = pModel->Next( pEntry );
            else
                pEntry = pNextEntry;
        }
    }
    else if( mbAlternatingRowColors )
        for(SvTreeListEntry* pEntry = pModel->First(); pEntry; pEntry = pModel->Next(pEntry))
            pEntry->SetBackColor( GetBackground().GetColor() );

    mbAlternatingRowColors = bEnable;
    pImpl->UpdateAll(true);
}

void SvTreeListBox::SetForceMakeVisible( bool bEnable )
{
    pImpl->SetForceMakeVisible(bEnable);
}

SvLBoxItem* SvTreeListBox::GetItem(SvTreeListEntry* pEntry,long nX,SvLBoxTab** ppTab)
{
    return GetItem_Impl( pEntry, nX, ppTab );
}

SvLBoxItem* SvTreeListBox::GetItem(SvTreeListEntry* pEntry,long nX )
{
    SvLBoxTab* pDummyTab;
    return GetItem_Impl( pEntry, nX, &pDummyTab );
}

void SvTreeListBox::AddTab(long nTabPos, SvLBoxTabFlags nFlags )
{
    nFocusWidth = -1;
    SvLBoxTab* pTab = new SvLBoxTab( nTabPos, nFlags );
    aTabs.emplace_back( pTab );
    if( nTreeFlags & SvTreeFlags::USESEL )
    {
        sal_uInt16 nPos = aTabs.size() - 1;
        if( nPos >= nFirstSelTab && nPos <= nLastSelTab )
            pTab->nFlags |= SvLBoxTabFlags::SHOW_SELECTION;
        else
            // string items usually have to be selected -- turn this off
            // explicitly
            pTab->nFlags &= ~SvLBoxTabFlags::SHOW_SELECTION;
    }
}


SvLBoxTab* SvTreeListBox::GetFirstDynamicTab( sal_uInt16& rPos ) const
{
    sal_uInt16 nCurTab = 0;
    sal_uInt16 nTabCount = aTabs.size();
    while( nCurTab < nTabCount )
    {
        SvLBoxTab* pTab = aTabs[nCurTab].get();
        if( pTab->nFlags & SvLBoxTabFlags::DYNAMIC )
        {
            rPos = nCurTab;
            return pTab;
        }
        nCurTab++;
    }
    return nullptr;
}

SvLBoxTab* SvTreeListBox::GetFirstDynamicTab() const
{
    sal_uInt16 nDummy;
    return GetFirstDynamicTab( nDummy );
}

SvLBoxTab* SvTreeListBox::GetTab( SvTreeListEntry const * pEntry, SvLBoxItem const * pItem) const
{
    sal_uInt16 nPos = pEntry->GetPos( pItem );
    return aTabs[ nPos ].get();
}

void SvTreeListBox::ClearTabList()
{
    aTabs.clear();
}


Size SvTreeListBox::GetOutputSizePixel() const
{
    Size aSize = pImpl->GetOutputSize();
    return aSize;
}

void SvTreeListBox::NotifyScrolled()
{
    aScrolledHdl.Call( this );
}

void SvTreeListBox::Invalidate( InvalidateFlags nInvalidateFlags )
{
    if (!pImpl)
        return;
    if( nFocusWidth == -1 )
        // to make sure that the control doesn't show the wrong focus rectangle
        // after painting
        pImpl->RecalcFocusRect();
    Control::Invalidate( nInvalidateFlags );
    pImpl->Invalidate();
}

void SvTreeListBox::Invalidate( const tools::Rectangle& rRect, InvalidateFlags nInvalidateFlags )
{
    if( nFocusWidth == -1 )
        // to make sure that the control doesn't show the wrong focus rectangle
        // after painting
        pImpl->RecalcFocusRect();
    Control::Invalidate( rRect, nInvalidateFlags );
}


void SvTreeListBox::SetHighlightRange( sal_uInt16 nStart, sal_uInt16 nEnd)
{

    sal_uInt16 nTemp;
    nTreeFlags |= SvTreeFlags::USESEL;
    if( nStart > nEnd )
    {
        nTemp = nStart;
        nStart = nEnd;
        nEnd = nTemp;
    }
    // select all tabs that lie within the area
    nTreeFlags |= SvTreeFlags::RECALCTABS;
    nFirstSelTab = nStart;
    nLastSelTab = nEnd;
    pImpl->RecalcFocusRect();
}

void SvTreeListBox::Command(const CommandEvent& rCEvt)
{
    if (!aPopupMenuHdl.Call(rCEvt))
        pImpl->Command(rCEvt);
    //pass at least alt press/release to parent impl
    if (rCEvt.GetCommand() == CommandEventId::ModKeyChange)
        Control::Command(rCEvt);
}

SvLBoxTab* SvTreeListBox::GetFirstTab( SvLBoxTabFlags nFlagMask, sal_uInt16& rPos )
{
    sal_uInt16 nTabCount = aTabs.size();
    for( sal_uInt16 nPos = 0; nPos < nTabCount; nPos++ )
    {
        SvLBoxTab* pTab = aTabs[ nPos ].get();
        if( pTab->nFlags & nFlagMask )
        {
            rPos = nPos;
            return pTab;
        }
    }
    rPos = 0xffff;
    return nullptr;
}

void SvTreeListBox::GetLastTab( SvLBoxTabFlags nFlagMask, sal_uInt16& rTabPos )
{
    sal_uInt16 nPos = static_cast<sal_uInt16>(aTabs.size());
    while( nPos )
    {
        --nPos;
        SvLBoxTab* pTab = aTabs[ nPos ].get();
        if( pTab->nFlags & nFlagMask )
        {
            rTabPos = nPos;
            return;
        }
    }
    rTabPos = 0xffff;
}

void SvTreeListBox::RequestHelp( const HelpEvent& rHEvt )
{
    if (aTooltipHdl.IsSet() && aTooltipHdl.Call(rHEvt))
        return;

    if( !pImpl->RequestHelp( rHEvt ) )
        Control::RequestHelp( rHEvt );
}

sal_Int32 SvTreeListBox::DefaultCompare(const SvLBoxString* pLeftText, const SvLBoxString* pRightText)
{
    OUString aLeft = pLeftText ? pLeftText->GetText() : OUString();
    OUString aRight = pRightText ? pRightText->GetText() : OUString();
    pImpl->UpdateStringSorter();
    return pImpl->m_pStringSorter->compare(aLeft, aRight);
}

IMPL_LINK( SvTreeListBox, DefaultCompare, const SvSortData&, rData, sal_Int32 )
{
    const SvTreeListEntry* pLeft = rData.pLeft;
    const SvTreeListEntry* pRight = rData.pRight;
    const SvLBoxString* pLeftText = static_cast<const SvLBoxString*>(pLeft->GetFirstItem(SvLBoxItemType::String));
    const SvLBoxString* pRightText = static_cast<const SvLBoxString*>(pRight->GetFirstItem(SvLBoxItemType::String));
    return DefaultCompare(pLeftText, pRightText);
}

void SvTreeListBox::ModelNotification( SvListAction nActionId, SvTreeListEntry* pEntry1,
                        SvTreeListEntry* pEntry2, sal_uLong nPos )
{
    SolarMutexGuard aSolarGuard;

    if( nActionId == SvListAction::CLEARING )
        CancelTextEditing();

    SvListView::ModelNotification( nActionId, pEntry1, pEntry2, nPos );
    switch( nActionId )
    {
        case SvListAction::INSERTED:
        {
            SvLBoxContextBmp* pBmpItem = static_cast< SvLBoxContextBmp* >( pEntry1->GetFirstItem( SvLBoxItemType::ContextBmp ) );
            if ( !pBmpItem )
                break;
            const Image& rBitmap1( pBmpItem->GetBitmap1() );
            const Image& rBitmap2( pBmpItem->GetBitmap2() );
            short nMaxWidth = short( std::max( rBitmap1.GetSizePixel().Width(), rBitmap2.GetSizePixel().Width() ) );
            nMaxWidth = pImpl->UpdateContextBmpWidthVector( pEntry1, nMaxWidth );
            if( nMaxWidth > nContextBmpWidthMax )
            {
                nContextBmpWidthMax = nMaxWidth;
                SetTabs();
            }
            if (get_width_request() == -1)
                queue_resize();
        }
        break;

        case SvListAction::RESORTING:
            SetUpdateMode( false );
            break;

        case SvListAction::RESORTED:
            // after a selection: show first entry and also keep the selection
            MakeVisible( pModel->First(), true );
            SetUpdateMode( true );
            break;

        case SvListAction::CLEARED:
            if( IsUpdateMode() )
                PaintImmediately();
            break;

        default: break;
    }
}

SvTreeListEntry* SvTreeListBox::GetFirstEntryInView() const
{
    return GetEntry( Point() );
}

SvTreeListEntry* SvTreeListBox::GetNextEntryInView(SvTreeListEntry* pEntry ) const
{
    SvTreeListEntry* pNext = NextVisible( pEntry );
    if( pNext )
    {
        Point aPos( GetEntryPosition(pNext) );
        const Size& rSize = pImpl->GetOutputSize();
        if( aPos.Y() < 0 || aPos.Y() >= rSize.Height() )
            return nullptr;
    }
    return pNext;
}


void SvTreeListBox::DataChanged( const DataChangedEvent& rDCEvt )
{
    if( (rDCEvt.GetType()==DataChangedEventType::SETTINGS) && (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
    {
        nEntryHeight = 0;   // _together_ with true of 1. par (bFont) of InitSettings() a zero-height
                            //  forces complete recalc of heights!
        InitSettings();
        Invalidate();
    }
    else
        Control::DataChanged( rDCEvt );
}

void SvTreeListBox::StateChanged( StateChangedType eType )
{
    if( eType == StateChangedType::Enable )
        Invalidate( InvalidateFlags::Children );

    Control::StateChanged( eType );

    if ( eType == StateChangedType::Style )
        ImplInitStyle();
}

void SvTreeListBox::ApplySettings(vcl::RenderContext& rRenderContext)
{
    SetPointFont(rRenderContext, GetPointFont(*this));

    const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
    rRenderContext.SetTextColor(rStyleSettings.GetFieldTextColor());
    rRenderContext.SetTextFillColor();
    rRenderContext.SetBackground(rStyleSettings.GetFieldColor());

    // always try to re-create default-SvLBoxButtonData
    if (pCheckButtonData && pCheckButtonData->HasDefaultImages())
        pCheckButtonData->SetDefaultImages(this);
}

void SvTreeListBox::InitSettings()
{
    const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
    vcl::Font aFont = rStyleSettings.GetFieldFont();
    SetPointFont(*this, aFont);
    AdjustEntryHeightAndRecalc();

    SetTextColor(rStyleSettings.GetFieldTextColor());
    SetTextFillColor();

    SetBackground(rStyleSettings.GetFieldColor());

    // always try to re-create default-SvLBoxButtonData
    if( pCheckButtonData && pCheckButtonData->HasDefaultImages() )
        pCheckButtonData->SetDefaultImages(this);
}

css::uno::Reference< XAccessible > SvTreeListBox::CreateAccessible()
{
    vcl::Window* pParent = GetAccessibleParentWindow();
    DBG_ASSERT( pParent, "SvTreeListBox::CreateAccessible - accessible parent not found" );

    css::uno::Reference< XAccessible > xAccessible;
    if ( pParent )
    {
        css::uno::Reference< XAccessible > xAccParent = pParent->GetAccessible();
        if ( xAccParent.is() )
        {
            // need to be done here to get the vclxwindow later on in the accessible
            css::uno::Reference< css::awt::XWindowPeer > xHoldAlive(GetComponentInterface());
            xAccessible = pImpl->m_aFactoryAccess.getFactory().createAccessibleTreeListBox( *this, xAccParent );
        }
    }
    return xAccessible;
}

void SvTreeListBox::FillAccessibleEntryStateSet( SvTreeListEntry* pEntry, ::utl::AccessibleStateSetHelper& rStateSet ) const
{
    assert(pEntry && "SvTreeListBox::FillAccessibleEntryStateSet: invalid entry");

    if ( pEntry->HasChildrenOnDemand() || pEntry->HasChildren() )
    {
        rStateSet.AddState( AccessibleStateType::EXPANDABLE );
        if ( IsExpanded( pEntry ) )
            rStateSet.AddState( sal_Int16(AccessibleStateType::EXPANDED) );
    }

    if ( GetCheckButtonState( pEntry ) == SvButtonState::Checked )
        rStateSet.AddState( AccessibleStateType::CHECKED );
    if ( IsEntryVisible( pEntry ) )
        rStateSet.AddState( AccessibleStateType::VISIBLE );
    if ( IsSelected( pEntry ) )
        rStateSet.AddState( AccessibleStateType::SELECTED );
    if ( IsEnabled() )
    {
        rStateSet.AddState( AccessibleStateType::ENABLED );
        rStateSet.AddState( AccessibleStateType::FOCUSABLE );
        rStateSet.AddState( AccessibleStateType::SELECTABLE );
        SvViewDataEntry* pViewDataNewCur = GetViewDataEntry(pEntry);
        if (pViewDataNewCur && pViewDataNewCur->HasFocus())
            rStateSet.AddState( AccessibleStateType::FOCUSED );
    }
}

tools::Rectangle SvTreeListBox::GetBoundingRect(const SvTreeListEntry* pEntry)
{
    Point aPos = GetEntryPosition( pEntry );
    tools::Rectangle aRect = GetFocusRect( pEntry, aPos.Y() );
    return aRect;
}

void SvTreeListBox::CallImplEventListeners(VclEventId nEvent, void* pData)
{
    CallEventListeners(nEvent, pData);
}

void SvTreeListBox::set_min_width_in_chars(sal_Int32 nChars)
{
    nMinWidthInChars = nChars;
    queue_resize();
}

bool SvTreeListBox::set_property(const OString &rKey, const OUString &rValue)
{
    if (rKey == "min-width-chars")
    {
        set_min_width_in_chars(rValue.toInt32());
    }
    else if (rKey == "enable-tree-lines")
    {
        auto nStyle = GetStyle();
        nStyle &= ~(WB_HASLINES | WB_HASLINESATROOT);
        if (toBool(rValue))
            nStyle |= (WB_HASLINES | WB_HASLINESATROOT);
        SetStyle(nStyle);
    }
    else if (rKey == "show-expanders")
    {
        auto nStyle = GetStyle();
        nStyle &= ~(WB_HASBUTTONS | WB_HASBUTTONSATROOT);
        if (toBool(rValue))
            nStyle |= (WB_HASBUTTONS | WB_HASBUTTONSATROOT);
        SetStyle(nStyle);
    }
    else if (rKey == "rules-hint")
    {
        SetAlternatingRowColors(toBool(rValue));
    }
    else if (rKey == "enable-search")
    {
        SetQuickSearch(toBool(rValue));
    }
    else if (rKey == "activate-on-single-click")
    {
        SetActivateOnSingleClick(toBool(rValue));
    }
    else if (rKey == "hover-selection")
    {
        SetHoverSelection(toBool(rValue));
    }
    else if (rKey == "reorderable")
    {
        if (toBool(rValue))
            SetDragDropMode(DragDropMode::CTRL_MOVE | DragDropMode::ENABLE_TOP);
    }
    else
        return Control::set_property(rKey, rValue);
    return true;
}

FactoryFunction SvTreeListBox::GetUITestFactory() const
{
    return TreeListUIObject::create;
}

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