Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2459 insertions, 0 deletions

diff --git a/vcl/source/control/tabctrl.cxx b/vcl/source/control/tabctrl.cxx
new file mode 100644
index 000000000..278fd59cd
--- /dev/null
+++ b/vcl/source/control/tabctrl.cxx
@@ -0,0 +1,2459 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+#include <sal/log.hxx>
+
+#include <vcl/notebookbar/notebookbar.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/help.hxx>
+#include <vcl/event.hxx>
+#include <vcl/menu.hxx>
+#include <vcl/toolkit/button.hxx>
+#include <vcl/tabpage.hxx>
+#include <vcl/tabctrl.hxx>
+#include <vcl/toolbox.hxx>
+#include <vcl/layout.hxx>
+#include <vcl/toolkit/lstbox.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/uitest/uiobject.hxx>
+#include <bitmaps.hlst>
+#include <tools/json_writer.hxx>
+
+#include <svdata.hxx>
+#include <window.h>
+
+#include <deque>
+#include <unordered_map>
+#include <vector>
+
+class ImplTabItem final
+{
+    sal_uInt16 m_nId;
+
+public:
+    VclPtr<TabPage>     mpTabPage;
+    OUString            maText;
+    OUString            maFormatText;
+    OUString            maHelpText;
+    OUString            maAccessibleName;
+    OUString            maAccessibleDescription;
+    OString             maTabName;
+    tools::Rectangle    maRect;
+    sal_uInt16          mnLine;
+    bool                mbFullVisible;
+    bool                m_bEnabled; ///< the tab / page is selectable
+    bool                m_bVisible; ///< the tab / page can be visible
+    Image               maTabImage;
+
+    ImplTabItem(sal_uInt16 nId);
+
+    sal_uInt16 id() const { return m_nId; }
+};
+
+ImplTabItem::ImplTabItem(sal_uInt16 nId)
+    : m_nId(nId)
+    , mnLine(0)
+    , mbFullVisible(false)
+    , m_bEnabled(true)
+    , m_bVisible(true)
+{
+}
+
+struct ImplTabCtrlData
+{
+    std::unordered_map< int, int >        maLayoutPageIdToLine;
+    std::unordered_map< int, int >        maLayoutLineToPageId;
+    std::vector< ImplTabItem >      maItemList;
+    VclPtr<ListBox>                 mpListBox;
+};
+
+// for the Tab positions
+#define TAB_PAGERECT        0xFFFF
+
+void TabControl::ImplInit( vcl::Window* pParent, WinBits nStyle )
+{
+    mbLayoutDirty = true;
+
+    if ( !(nStyle & WB_NOTABSTOP) )
+        nStyle |= WB_TABSTOP;
+    if ( !(nStyle & WB_NOGROUP) )
+        nStyle |= WB_GROUP;
+    if ( !(nStyle & WB_NODIALOGCONTROL) )
+        nStyle |= WB_DIALOGCONTROL;
+
+    Control::ImplInit( pParent, nStyle, nullptr );
+
+    mnLastWidth                 = 0;
+    mnLastHeight                = 0;
+    mnActPageId                 = 0;
+    mnCurPageId                 = 0;
+    mbFormat                    = true;
+    mbShowTabs                  = true;
+    mbRestoreHelpId             = false;
+    mbSmallInvalidate           = false;
+    mpTabCtrlData.reset(new ImplTabCtrlData);
+    mpTabCtrlData->mpListBox    = nullptr;
+
+    ImplInitSettings( true );
+
+    if( nStyle & WB_DROPDOWN )
+    {
+        mpTabCtrlData->mpListBox = VclPtr<ListBox>::Create( this, WB_DROPDOWN );
+        mpTabCtrlData->mpListBox->SetPosSizePixel( Point( 0, 0 ), Size( 200, 20 ) );
+        mpTabCtrlData->mpListBox->SetSelectHdl( LINK( this, TabControl, ImplListBoxSelectHdl ) );
+        mpTabCtrlData->mpListBox->Show();
+    }
+
+    // if the tabcontrol is drawn (ie filled) by a native widget, make sure all controls will have transparent background
+    // otherwise they will paint with a wrong background
+    if( IsNativeControlSupported(ControlType::TabPane, ControlPart::Entire) )
+        EnableChildTransparentMode();
+
+    if (pParent && pParent->IsDialog())
+        pParent->AddChildEventListener( LINK( this, TabControl, ImplWindowEventListener ) );
+}
+
+const vcl::Font& TabControl::GetCanonicalFont( const StyleSettings& _rStyle ) const
+{
+    return _rStyle.GetTabFont();
+}
+
+const Color& TabControl::GetCanonicalTextColor( const StyleSettings& _rStyle ) const
+{
+    return _rStyle.GetTabTextColor();
+}
+
+void TabControl::ImplInitSettings( bool bBackground )
+{
+    Control::ImplInitSettings();
+
+    if ( !bBackground )
+        return;
+
+    vcl::Window* pParent = GetParent();
+    if ( !IsControlBackground() &&
+        (pParent->IsChildTransparentModeEnabled()
+        || IsNativeControlSupported(ControlType::TabPane, ControlPart::Entire)
+        || IsNativeControlSupported(ControlType::TabItem, ControlPart::Entire) ) )
+
+    {
+        // set transparent mode for NWF tabcontrols to have
+        // the background always cleared properly
+        EnableChildTransparentMode();
+        SetParentClipMode( ParentClipMode::NoClip );
+        SetPaintTransparent( true );
+        SetBackground();
+        ImplGetWindowImpl()->mbUseNativeFocus = ImplGetSVData()->maNWFData.mbNoFocusRects;
+    }
+    else
+    {
+        EnableChildTransparentMode( false );
+        SetParentClipMode();
+        SetPaintTransparent( false );
+
+        if ( IsControlBackground() )
+            SetBackground( GetControlBackground() );
+        else
+            SetBackground( pParent->GetBackground() );
+    }
+}
+
+void TabControl::ImplFreeLayoutData()
+{
+    if( HasLayoutData() )
+    {
+        ImplClearLayoutData();
+        mpTabCtrlData->maLayoutPageIdToLine.clear();
+        mpTabCtrlData->maLayoutLineToPageId.clear();
+    }
+}
+
+TabControl::TabControl( vcl::Window* pParent, WinBits nStyle ) :
+    Control( WindowType::TABCONTROL )
+{
+    ImplInit( pParent, nStyle );
+    SAL_INFO( "vcl", "*** TABCONTROL no notabs? " << (( GetStyle() & WB_NOBORDER ) ? "true" : "false") );
+}
+
+TabControl::~TabControl()
+{
+    disposeOnce();
+}
+
+void TabControl::dispose()
+{
+    Window *pParent = GetParent();
+    if (pParent && pParent->IsDialog())
+        GetParent()->RemoveChildEventListener( LINK( this, TabControl, ImplWindowEventListener ) );
+
+    ImplFreeLayoutData();
+
+    // delete TabCtrl data
+    if (mpTabCtrlData)
+        mpTabCtrlData->mpListBox.disposeAndClear();
+    mpTabCtrlData.reset();
+    Control::dispose();
+}
+
+ImplTabItem* TabControl::ImplGetItem( sal_uInt16 nId ) const
+{
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (item.id() == nId)
+            return &item;
+    }
+
+    return nullptr;
+}
+
+Size TabControl::ImplGetItemSize( ImplTabItem* pItem, tools::Long nMaxWidth )
+{
+    pItem->maFormatText = pItem->maText;
+    Size aSize( GetOutDev()->GetCtrlTextWidth( pItem->maFormatText ), GetTextHeight() );
+    Size aImageSize( 0, 0 );
+    if( !!pItem->maTabImage )
+    {
+        aImageSize = pItem->maTabImage.GetSizePixel();
+        if( !pItem->maFormatText.isEmpty() )
+            aImageSize.AdjustWidth(GetTextHeight()/4 );
+    }
+    aSize.AdjustWidth(aImageSize.Width() );
+    if( aImageSize.Height() > aSize.Height() )
+        aSize.setHeight( aImageSize.Height() );
+
+    aSize.AdjustWidth(TAB_TABOFFSET_X*2 );
+    aSize.AdjustHeight(TAB_TABOFFSET_Y*2 );
+
+    tools::Rectangle aCtrlRegion( Point( 0, 0 ), aSize );
+    tools::Rectangle aBoundingRgn, aContentRgn;
+    const TabitemValue aControlValue(tools::Rectangle(TAB_TABOFFSET_X, TAB_TABOFFSET_Y,
+                                               aSize.Width() - TAB_TABOFFSET_X * 2,
+                                               aSize.Height() - TAB_TABOFFSET_Y * 2));
+    if(GetNativeControlRegion( ControlType::TabItem, ControlPart::Entire, aCtrlRegion,
+                                           ControlState::ENABLED, aControlValue,
+                                           aBoundingRgn, aContentRgn ) )
+    {
+        return aContentRgn.GetSize();
+    }
+
+    // For languages with short names (e.g. Chinese), because the space is
+    // normally only one pixel per char
+    if ( pItem->maFormatText.getLength() < TAB_EXTRASPACE_X )
+        aSize.AdjustWidth(TAB_EXTRASPACE_X-pItem->maFormatText.getLength() );
+
+    // shorten Text if needed
+    if ( aSize.Width()+4 >= nMaxWidth )
+    {
+        OUString aAppendStr("...");
+        pItem->maFormatText += aAppendStr;
+        do
+        {
+            if (pItem->maFormatText.getLength() > aAppendStr.getLength())
+                pItem->maFormatText = pItem->maFormatText.replaceAt( pItem->maFormatText.getLength()-aAppendStr.getLength()-1, 1, u"" );
+            aSize.setWidth( GetOutDev()->GetCtrlTextWidth( pItem->maFormatText ) );
+            aSize.AdjustWidth(aImageSize.Width() );
+            aSize.AdjustWidth(TAB_TABOFFSET_X*2 );
+        }
+        while ( (aSize.Width()+4 >= nMaxWidth) && (pItem->maFormatText.getLength() > aAppendStr.getLength()) );
+        if ( aSize.Width()+4 >= nMaxWidth )
+        {
+            pItem->maFormatText = ".";
+            aSize.setWidth( 1 );
+        }
+    }
+
+    if( pItem->maFormatText.isEmpty() )
+    {
+        if( aSize.Height() < aImageSize.Height()+4 ) //leave space for focus rect
+            aSize.setHeight( aImageSize.Height()+4 );
+    }
+
+    return aSize;
+}
+
+// Feel free to move this to some more general place for reuse
+// http://en.wikipedia.org/wiki/Word_wrap#Minimum_raggedness
+// Mostly based on Alexey Frunze's nifty example at
+// http://stackoverflow.com/questions/9071205/balanced-word-wrap-minimum-raggedness-in-php
+namespace MinimumRaggednessWrap
+{
+    static std::deque<size_t> GetEndOfLineIndexes(const std::vector<sal_Int32>& rWidthsOf, sal_Int32 nLineWidth)
+    {
+        ++nLineWidth;
+
+        size_t nWidthsCount = rWidthsOf.size();
+        std::vector<sal_Int32> aCosts(nWidthsCount * nWidthsCount);
+
+        // cost function c(i, j) that computes the cost of a line consisting of
+        // the words Word[i] to Word[j]
+        for (size_t i = 0; i < nWidthsCount; ++i)
+        {
+            for (size_t j = 0; j < nWidthsCount; ++j)
+            {
+                if (j >= i)
+                {
+                    sal_Int32 c = nLineWidth - (j - i);
+                    for (size_t k = i; k <= j; ++k)
+                        c -= rWidthsOf[k];
+                    c = (c >= 0) ? c * c : SAL_MAX_INT32;
+                    aCosts[j * nWidthsCount + i] = c;
+                }
+                else
+                {
+                    aCosts[j * nWidthsCount + i] = SAL_MAX_INT32;
+                }
+            }
+        }
+
+        std::vector<sal_Int32> aFunction(nWidthsCount);
+        std::vector<sal_Int32> aWrapPoints(nWidthsCount);
+
+        // f(j) in aFunction[], collect wrap points in aWrapPoints[]
+        for (size_t j = 0; j < nWidthsCount; ++j)
+        {
+            aFunction[j] = aCosts[j * nWidthsCount];
+            if (aFunction[j] == SAL_MAX_INT32)
+            {
+                for (size_t k = 0; k < j; ++k)
+                {
+                    sal_Int32 s;
+                    if (aFunction[k] == SAL_MAX_INT32 || aCosts[j * nWidthsCount + k + 1] == SAL_MAX_INT32)
+                        s = SAL_MAX_INT32;
+                    else
+                        s = aFunction[k] + aCosts[j * nWidthsCount + k + 1];
+                    if (aFunction[j] > s)
+                    {
+                        aFunction[j] = s;
+                        aWrapPoints[j] = k + 1;
+                    }
+                }
+            }
+        }
+
+        std::deque<size_t> aSolution;
+
+        // no solution
+        if (aFunction[nWidthsCount - 1] == SAL_MAX_INT32)
+            return aSolution;
+
+        // optimal solution
+        size_t j = nWidthsCount - 1;
+        while (true)
+        {
+            aSolution.push_front(j);
+            if (!aWrapPoints[j])
+                break;
+            j = aWrapPoints[j] - 1;
+        }
+
+        return aSolution;
+    }
+};
+
+static void lcl_AdjustSingleLineTabs(tools::Long nMaxWidth, ImplTabCtrlData *pTabCtrlData)
+{
+    if (!ImplGetSVData()->maNWFData.mbCenteredTabs)
+        return;
+
+    int nRightSpace = nMaxWidth; // space left on the right by the tabs
+    for (auto const& item : pTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+        nRightSpace -= item.maRect.Right() - item.maRect.Left();
+    }
+    nRightSpace /= 2;
+
+    for (auto& item : pTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+        item.maRect.AdjustLeft(nRightSpace);
+        item.maRect.AdjustRight(nRightSpace);
+    }
+}
+
+bool TabControl::ImplPlaceTabs( tools::Long nWidth )
+{
+    if ( nWidth <= 0 )
+        return false;
+    if ( mpTabCtrlData->maItemList.empty() )
+        return false;
+
+    tools::Long nMaxWidth = nWidth;
+
+    const tools::Long nOffsetX = 2;
+    const tools::Long nOffsetY = 2;
+
+    //fdo#66435 throw Knuth/Tex minimum raggedness algorithm at the problem
+    //of ugly bare tabs on lines of their own
+
+    //collect widths
+    std::vector<sal_Int32> aWidths;
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+        aWidths.push_back(ImplGetItemSize(&item, nMaxWidth).Width());
+    }
+
+    //aBreakIndexes will contain the indexes of the last tab on each row
+    std::deque<size_t> aBreakIndexes(MinimumRaggednessWrap::GetEndOfLineIndexes(aWidths, nMaxWidth - nOffsetX - 2));
+
+    tools::Long nX = nOffsetX;
+    tools::Long nY = nOffsetY;
+
+    sal_uInt16 nLines = 0;
+    sal_uInt16 nCurLine = 0;
+
+    tools::Long nLineWidthAry[100];
+    sal_uInt16 nLinePosAry[101];
+    nLineWidthAry[0] = 0;
+    nLinePosAry[0] = 0;
+
+    size_t nIndex = 0;
+
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+
+        Size aSize = ImplGetItemSize( &item, nMaxWidth );
+
+        bool bNewLine = false;
+        if (!aBreakIndexes.empty() && nIndex > aBreakIndexes.front())
+        {
+            aBreakIndexes.pop_front();
+            bNewLine = true;
+        }
+
+        if ( bNewLine && (nWidth > 2+nOffsetX) )
+        {
+            if ( nLines == 99 )
+                break;
+
+            nX = nOffsetX;
+            nY += aSize.Height();
+            nLines++;
+            nLineWidthAry[nLines] = 0;
+            nLinePosAry[nLines] = nIndex;
+        }
+
+        tools::Rectangle aNewRect( Point( nX, nY ), aSize );
+        if ( mbSmallInvalidate && (item.maRect != aNewRect) )
+            mbSmallInvalidate = false;
+        item.maRect = aNewRect;
+        item.mnLine = nLines;
+        item.mbFullVisible = true;
+
+        nLineWidthAry[nLines] += aSize.Width();
+        nX += aSize.Width();
+
+        if (item.id() == mnCurPageId)
+            nCurLine = nLines;
+
+        ++nIndex;
+    }
+
+    if (nLines) // two or more lines
+    {
+        tools::Long nLineHeightAry[100];
+        tools::Long nIH = 0;
+        for (const auto& item : mpTabCtrlData->maItemList)
+        {
+            if (!item.m_bVisible)
+                continue;
+            nIH = item.maRect.Bottom() - 1;
+            break;
+        }
+
+        for ( sal_uInt16 i = 0; i < nLines+1; i++ )
+        {
+            if ( i <= nCurLine )
+                nLineHeightAry[i] = nIH*(nLines-(nCurLine-i));
+            else
+                nLineHeightAry[i] = nIH*(i-nCurLine-1);
+        }
+
+        nLinePosAry[nLines+1] = static_cast<sal_uInt16>(mpTabCtrlData->maItemList.size());
+
+        tools::Long nDX = 0;
+        tools::Long nModDX = 0;
+        tools::Long nIDX = 0;
+
+        sal_uInt16 i = 0;
+        sal_uInt16 n = 0;
+
+        for (auto & item : mpTabCtrlData->maItemList)
+        {
+            if (!item.m_bVisible)
+                continue;
+
+            if ( i == nLinePosAry[n] )
+            {
+                if ( n == nLines+1 )
+                    break;
+
+                nIDX = 0;
+                if( nLinePosAry[n+1]-i > 0 )
+                {
+                    nDX = ( nWidth - nOffsetX - nLineWidthAry[n] ) / ( nLinePosAry[n+1] - i );
+                    nModDX = ( nWidth - nOffsetX - nLineWidthAry[n] ) % ( nLinePosAry[n+1] - i );
+                }
+                else
+                {
+                    // FIXME: this is a case of tabctrl way too small
+                    nDX = 0;
+                    nModDX = 0;
+                }
+                n++;
+            }
+
+            item.maRect.AdjustLeft(nIDX );
+            item.maRect.AdjustRight(nIDX + nDX );
+            item.maRect.SetTop( nLineHeightAry[n-1] );
+            item.maRect.SetBottom(nLineHeightAry[n-1] + nIH - 1);
+            nIDX += nDX;
+
+            if ( nModDX )
+            {
+                nIDX++;
+                item.maRect.AdjustRight( 1 );
+                nModDX--;
+            }
+
+            i++;
+        }
+    }
+    else // only one line
+        lcl_AdjustSingleLineTabs(nMaxWidth, mpTabCtrlData.get());
+
+    return true;
+}
+
+tools::Rectangle TabControl::ImplGetTabRect( sal_uInt16 nItemPos, tools::Long nWidth, tools::Long nHeight )
+{
+    Size aWinSize = Control::GetOutputSizePixel();
+    if ( nWidth < 0 )
+        nWidth = aWinSize.Width();
+    if ( nHeight < 0 )
+        nHeight = aWinSize.Height();
+
+    if ( mpTabCtrlData->maItemList.empty() )
+    {
+        tools::Long nW = nWidth-TAB_OFFSET*2;
+        tools::Long nH = nHeight-TAB_OFFSET*2;
+        return (nW > 0 && nH > 0)
+            ? tools::Rectangle(Point(TAB_OFFSET, TAB_OFFSET), Size(nW, nH))
+            : tools::Rectangle();
+    }
+
+    if ( nItemPos == TAB_PAGERECT )
+    {
+        sal_uInt16 nLastPos;
+        if ( mnCurPageId )
+            nLastPos = GetPagePos( mnCurPageId );
+        else
+            nLastPos = 0;
+
+        tools::Rectangle aRect = ImplGetTabRect( nLastPos, nWidth, nHeight );
+        if (aRect.IsEmpty())
+            return aRect;
+
+        // with show-tabs of true (the usual) the page rect is from under the
+        // visible tab to the bottom of the TabControl, otherwise it extends
+        // from the top of the TabControl
+        tools::Long nTabBottom = mbShowTabs ? aRect.Bottom() : 0;
+
+        tools::Long nW = nWidth-TAB_OFFSET*2;
+        tools::Long nH = nHeight - nTabBottom - TAB_OFFSET*2;
+        return (nW > 0 && nH > 0)
+            ? tools::Rectangle( Point( TAB_OFFSET, nTabBottom + TAB_OFFSET ), Size( nW, nH ) )
+            : tools::Rectangle();
+    }
+
+    ImplTabItem* const pItem = (nItemPos < mpTabCtrlData->maItemList.size())
+                               ? &mpTabCtrlData->maItemList[nItemPos] : nullptr;
+    return ImplGetTabRect(pItem, nWidth, nHeight);
+}
+
+tools::Rectangle TabControl::ImplGetTabRect(const ImplTabItem* pItem, tools::Long nWidth, tools::Long nHeight)
+{
+    if ((nWidth <= 1) || (nHeight <= 0) || !pItem || !pItem->m_bVisible)
+        return tools::Rectangle();
+
+    nWidth -= 1;
+
+    if ( mbFormat || (mnLastWidth != nWidth) || (mnLastHeight != nHeight) )
+    {
+        vcl::Font aFont( GetFont() );
+        aFont.SetTransparent( true );
+        SetFont( aFont );
+
+        bool bRet = ImplPlaceTabs( nWidth );
+        if ( !bRet )
+            return tools::Rectangle();
+
+        mnLastWidth     = nWidth;
+        mnLastHeight    = nHeight;
+        mbFormat        = false;
+    }
+
+    return pItem->maRect;
+}
+
+void TabControl::ImplChangeTabPage( sal_uInt16 nId, sal_uInt16 nOldId )
+{
+    ImplFreeLayoutData();
+
+    ImplTabItem*    pOldItem = ImplGetItem( nOldId );
+    ImplTabItem*    pItem = ImplGetItem( nId );
+    TabPage*        pOldPage = pOldItem ? pOldItem->mpTabPage.get() : nullptr;
+    TabPage*        pPage = pItem ? pItem->mpTabPage.get() : nullptr;
+    vcl::Window*    pCtrlParent = GetParent();
+
+    if ( IsReallyVisible() && IsUpdateMode() )
+    {
+        sal_uInt16 nPos = GetPagePos( nId );
+        tools::Rectangle aRect = ImplGetTabRect( nPos );
+
+        if ( !pOldItem || !pItem || (pOldItem->mnLine != pItem->mnLine) )
+        {
+            aRect.SetLeft( 0 );
+            aRect.SetTop( 0 );
+            aRect.SetRight( Control::GetOutputSizePixel().Width() );
+        }
+        else
+        {
+            aRect.AdjustLeft( -3 );
+            aRect.AdjustTop( -2 );
+            aRect.AdjustRight(3 );
+            Invalidate( aRect );
+            nPos = GetPagePos( nOldId );
+            aRect = ImplGetTabRect( nPos );
+            aRect.AdjustLeft( -3 );
+            aRect.AdjustTop( -2 );
+            aRect.AdjustRight(3 );
+        }
+        Invalidate( aRect );
+    }
+
+    if ( pOldPage == pPage )
+        return;
+
+    tools::Rectangle aRect = ImplGetTabRect( TAB_PAGERECT );
+
+    if ( pOldPage )
+    {
+        if ( mbRestoreHelpId )
+            pCtrlParent->SetHelpId( OString() );
+    }
+
+    if ( pPage )
+    {
+        if ( GetStyle() & WB_NOBORDER )
+        {
+            tools::Rectangle aRectNoTab(Point(0, 0), GetSizePixel());
+            pPage->SetPosSizePixel( aRectNoTab.TopLeft(), aRectNoTab.GetSize() );
+        }
+        else
+            pPage->SetPosSizePixel( aRect.TopLeft(), aRect.GetSize() );
+
+        // activate page here so the controls can be switched
+        // also set the help id of the parent window to that of the tab page
+        if ( GetHelpId().isEmpty() )
+        {
+            mbRestoreHelpId = true;
+            pCtrlParent->SetHelpId( pPage->GetHelpId() );
+        }
+
+        pPage->Show();
+
+        if ( pOldPage && pOldPage->HasChildPathFocus() )
+        {
+            vcl::Window* pFirstChild = pPage->ImplGetDlgWindow( 0, GetDlgWindowType::First );
+            if ( pFirstChild )
+                pFirstChild->ImplControlFocus( GetFocusFlags::Init );
+            else
+                GrabFocus();
+        }
+    }
+
+    if ( pOldPage )
+        pOldPage->Hide();
+
+    // Invalidate the same region that will be send to NWF
+    // to always allow for bitmap caching
+    // see Window::DrawNativeControl()
+    if( IsNativeControlSupported( ControlType::TabPane, ControlPart::Entire ) )
+    {
+        aRect.AdjustLeft( -(TAB_OFFSET) );
+        aRect.AdjustTop( -(TAB_OFFSET) );
+        aRect.AdjustRight(TAB_OFFSET );
+        aRect.AdjustBottom(TAB_OFFSET );
+    }
+
+    Invalidate( aRect );
+}
+
+bool TabControl::ImplPosCurTabPage()
+{
+    // resize/position current TabPage
+    ImplTabItem* pItem = ImplGetItem( GetCurPageId() );
+    if ( pItem && pItem->mpTabPage )
+    {
+        if (  GetStyle() & WB_NOBORDER )
+        {
+            tools::Rectangle aRectNoTab(Point(0, 0), GetSizePixel());
+            pItem->mpTabPage->SetPosSizePixel( aRectNoTab.TopLeft(), aRectNoTab.GetSize() );
+            return true;
+        }
+        tools::Rectangle aRect = ImplGetTabRect( TAB_PAGERECT );
+        pItem->mpTabPage->SetPosSizePixel( aRect.TopLeft(), aRect.GetSize() );
+        return true;
+    }
+
+    return false;
+}
+
+void TabControl::ImplActivateTabPage( bool bNext )
+{
+    sal_uInt16 nCurPos = GetPagePos( GetCurPageId() );
+
+    if ( bNext )
+        nCurPos = (nCurPos + 1) % GetPageCount();
+    else
+    {
+        if ( !nCurPos )
+            nCurPos = GetPageCount()-1;
+        else
+            nCurPos--;
+    }
+
+    SelectTabPage( GetPageId( nCurPos ) );
+}
+
+void TabControl::ImplShowFocus()
+{
+    if ( !GetPageCount() || mpTabCtrlData->mpListBox )
+        return;
+
+    sal_uInt16                   nCurPos     = GetPagePos( mnCurPageId );
+    tools::Rectangle                aRect       = ImplGetTabRect( nCurPos );
+    const ImplTabItem&       rItem       = mpTabCtrlData->maItemList[ nCurPos ];
+    Size                     aTabSize    = aRect.GetSize();
+    Size aImageSize( 0, 0 );
+    tools::Long                     nTextHeight = GetTextHeight();
+    tools::Long                     nTextWidth  = GetOutDev()->GetCtrlTextWidth( rItem.maFormatText );
+    sal_uInt16                   nOff;
+
+    if ( !(GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::Mono) )
+        nOff = 1;
+    else
+        nOff = 0;
+
+    if( !! rItem.maTabImage )
+    {
+        aImageSize = rItem.maTabImage.GetSizePixel();
+        if( !rItem.maFormatText.isEmpty() )
+            aImageSize.AdjustWidth(GetTextHeight()/4 );
+    }
+
+    if( !rItem.maFormatText.isEmpty() )
+    {
+        // show focus around text
+        aRect.SetLeft( aRect.Left()+aImageSize.Width()+((aTabSize.Width()-nTextWidth-aImageSize.Width())/2)-nOff-1-1 );
+        aRect.SetTop( aRect.Top()+((aTabSize.Height()-nTextHeight)/2)-1-1 );
+        aRect.SetRight( aRect.Left()+nTextWidth+2 );
+        aRect.SetBottom( aRect.Top()+nTextHeight+2 );
+    }
+    else
+    {
+        // show focus around image
+        tools::Long nXPos = aRect.Left()+((aTabSize.Width()-nTextWidth-aImageSize.Width())/2)-nOff-1;
+        tools::Long nYPos = aRect.Top();
+        if( aImageSize.Height() < aRect.GetHeight() )
+            nYPos += (aRect.GetHeight() - aImageSize.Height())/2;
+
+        aRect.SetLeft( nXPos - 2 );
+        aRect.SetTop( nYPos - 2 );
+        aRect.SetRight( aRect.Left() + aImageSize.Width() + 4 );
+        aRect.SetBottom( aRect.Top() + aImageSize.Height() + 4 );
+    }
+    ShowFocus( aRect );
+}
+
+void TabControl::ImplDrawItem(vcl::RenderContext& rRenderContext, ImplTabItem const * pItem, const tools::Rectangle& rCurRect,
+                              bool bFirstInGroup, bool bLastInGroup )
+{
+    if (!pItem->m_bVisible || pItem->maRect.IsEmpty())
+        return;
+
+    const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
+    tools::Rectangle aRect = pItem->maRect;
+    tools::Long nLeftBottom = aRect.Bottom();
+    tools::Long nRightBottom = aRect.Bottom();
+    bool bLeftBorder = true;
+    bool bRightBorder = true;
+    sal_uInt16 nOff;
+    bool bNativeOK = false;
+
+    sal_uInt16 nOff2 = 0;
+    sal_uInt16 nOff3 = 0;
+
+    if (!(rStyleSettings.GetOptions() & StyleSettingsOptions::Mono))
+        nOff = 1;
+    else
+        nOff = 0;
+
+    // if this is the active Page, we have to draw a little more
+    if (pItem->id() == mnCurPageId)
+    {
+        nOff2 = 2;
+        if (!ImplGetSVData()->maNWFData.mbNoActiveTabTextRaise)
+            nOff3 = 1;
+    }
+    else
+    {
+        Point aLeftTestPos = aRect.BottomLeft();
+        Point aRightTestPos = aRect.BottomRight();
+        if (aLeftTestPos.Y() == rCurRect.Bottom())
+        {
+            aLeftTestPos.AdjustX( -2 );
+            if (rCurRect.Contains(aLeftTestPos))
+                bLeftBorder = false;
+            aRightTestPos.AdjustX(2 );
+            if (rCurRect.Contains(aRightTestPos))
+                bRightBorder = false;
+        }
+        else
+        {
+            if (rCurRect.Contains(aLeftTestPos))
+                nLeftBottom -= 2;
+            if (rCurRect.Contains(aRightTestPos))
+                nRightBottom -= 2;
+        }
+    }
+
+    ControlState nState = ControlState::NONE;
+
+    if (pItem->id() == mnCurPageId)
+    {
+        nState |= ControlState::SELECTED;
+        // only the selected item can be focused
+        if (HasFocus())
+            nState |= ControlState::FOCUSED;
+    }
+    if (IsEnabled())
+        nState |= ControlState::ENABLED;
+    if (IsMouseOver() && pItem->maRect.Contains(GetPointerPosPixel()))
+    {
+        nState |= ControlState::ROLLOVER;
+        for (auto const& item : mpTabCtrlData->maItemList)
+            if ((&item != pItem) && item.m_bVisible && item.maRect.Contains(GetPointerPosPixel()))
+            {
+                nState &= ~ControlState::ROLLOVER; // avoid multiple highlighted tabs
+                break;
+            }
+        assert(nState & ControlState::ROLLOVER);
+    }
+
+    bNativeOK = rRenderContext.IsNativeControlSupported(ControlType::TabItem, ControlPart::Entire);
+    if ( bNativeOK )
+    {
+        TabitemValue tiValue(tools::Rectangle(pItem->maRect.Left() + TAB_TABOFFSET_X,
+                                       pItem->maRect.Top() + TAB_TABOFFSET_Y,
+                                       pItem->maRect.Right() - TAB_TABOFFSET_X,
+                                       pItem->maRect.Bottom() - TAB_TABOFFSET_Y));
+        if (pItem->maRect.Left() < 5)
+            tiValue.mnAlignment |= TabitemFlags::LeftAligned;
+        if (pItem->maRect.Right() > mnLastWidth - 5)
+            tiValue.mnAlignment |= TabitemFlags::RightAligned;
+        if (bFirstInGroup)
+            tiValue.mnAlignment |= TabitemFlags::FirstInGroup;
+        if (bLastInGroup)
+            tiValue.mnAlignment |= TabitemFlags::LastInGroup;
+
+        tools::Rectangle aCtrlRegion( pItem->maRect );
+        aCtrlRegion.AdjustBottom(TabPaneValue::m_nOverlap);
+        bNativeOK = rRenderContext.DrawNativeControl(ControlType::TabItem, ControlPart::Entire,
+                                                     aCtrlRegion, nState, tiValue, OUString() );
+    }
+
+    if (!bNativeOK)
+    {
+        if (!(rStyleSettings.GetOptions() & StyleSettingsOptions::Mono))
+        {
+            rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
+            rRenderContext.DrawPixel(Point(aRect.Left() + 1 - nOff2, aRect.Top() + 1 - nOff2)); // diagonally indented top-left pixel
+            if (bLeftBorder)
+            {
+                rRenderContext.DrawLine(Point(aRect.Left() - nOff2, aRect.Top() + 2 - nOff2),
+                                        Point(aRect.Left() - nOff2, nLeftBottom - 1));
+            }
+            rRenderContext.DrawLine(Point(aRect.Left() + 2 - nOff2, aRect.Top() - nOff2),   // top line starting 2px from left border
+                                    Point(aRect.Right() + nOff2 - 3, aRect.Top() - nOff2)); // ending 3px from right border
+
+            if (bRightBorder)
+            {
+                rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
+                rRenderContext.DrawLine(Point(aRect.Right() + nOff2 - 2, aRect.Top() + 1 - nOff2),
+                                        Point(aRect.Right() + nOff2 - 2, nRightBottom - 1));
+
+                rRenderContext.SetLineColor(rStyleSettings.GetDarkShadowColor());
+                rRenderContext.DrawLine(Point(aRect.Right() + nOff2 - 1, aRect.Top() + 3 - nOff2),
+                                        Point(aRect.Right() + nOff2 - 1, nRightBottom - 1));
+            }
+        }
+        else
+        {
+            rRenderContext.SetLineColor(COL_BLACK);
+            rRenderContext.DrawPixel(Point(aRect.Left() + 1 - nOff2, aRect.Top() + 1 - nOff2));
+            rRenderContext.DrawPixel(Point(aRect.Right() + nOff2 - 2, aRect.Top() + 1 - nOff2));
+            if (bLeftBorder)
+            {
+                rRenderContext.DrawLine(Point(aRect.Left() - nOff2, aRect.Top() + 2 - nOff2),
+                                        Point(aRect.Left() - nOff2, nLeftBottom - 1));
+            }
+            rRenderContext.DrawLine(Point(aRect.Left() + 2 - nOff2, aRect.Top() - nOff2),
+                                    Point(aRect.Right() - 3, aRect.Top() - nOff2));
+            if (bRightBorder)
+            {
+                rRenderContext.DrawLine(Point(aRect.Right() + nOff2 - 1, aRect.Top() + 2 - nOff2),
+                                        Point(aRect.Right() + nOff2 - 1, nRightBottom - 1));
+            }
+        }
+    }
+
+    // set font accordingly, current item is painted bold
+    // we set the font attributes always before drawing to be re-entrant (DrawNativeControl may trigger additional paints)
+    vcl::Font aFont(rRenderContext.GetFont());
+    aFont.SetTransparent(true);
+    rRenderContext.SetFont(aFont);
+
+    Size aTabSize = aRect.GetSize();
+    Size aImageSize(0, 0);
+    tools::Long nTextHeight = rRenderContext.GetTextHeight();
+    tools::Long nTextWidth = rRenderContext.GetCtrlTextWidth(pItem->maFormatText);
+    if (!!pItem->maTabImage)
+    {
+        aImageSize = pItem->maTabImage.GetSizePixel();
+        if (!pItem->maFormatText.isEmpty())
+            aImageSize.AdjustWidth(GetTextHeight() / 4 );
+    }
+    tools::Long nXPos = aRect.Left() + ((aTabSize.Width() - nTextWidth - aImageSize.Width()) / 2) - nOff - nOff3;
+    tools::Long nYPos = aRect.Top() + ((aTabSize.Height() - nTextHeight) / 2) - nOff3;
+    if (!pItem->maFormatText.isEmpty())
+    {
+        DrawTextFlags nStyle = DrawTextFlags::Mnemonic;
+        if (!pItem->m_bEnabled)
+            nStyle |= DrawTextFlags::Disable;
+
+        Color aColor(rStyleSettings.GetTabTextColor());
+        if (nState & ControlState::SELECTED)
+            aColor = rStyleSettings.GetTabHighlightTextColor();
+        else if (nState & ControlState::ROLLOVER)
+            aColor = rStyleSettings.GetTabRolloverTextColor();
+
+        Color aOldColor(rRenderContext.GetTextColor());
+        rRenderContext.SetTextColor(aColor);
+
+        const tools::Rectangle aOutRect(nXPos + aImageSize.Width(), nYPos,
+                                 nXPos + aImageSize.Width() + nTextWidth, nYPos + nTextHeight);
+        DrawControlText(rRenderContext, aOutRect, pItem->maFormatText, nStyle,
+                        nullptr, nullptr);
+
+        rRenderContext.SetTextColor(aOldColor);
+    }
+
+    if (!!pItem->maTabImage)
+    {
+        Point aImgTL( nXPos, aRect.Top() );
+        if (aImageSize.Height() < aRect.GetHeight())
+            aImgTL.AdjustY((aRect.GetHeight() - aImageSize.Height()) / 2 );
+        rRenderContext.DrawImage(aImgTL, pItem->maTabImage, pItem->m_bEnabled ? DrawImageFlags::NONE : DrawImageFlags::Disable );
+    }
+}
+
+bool TabControl::ImplHandleKeyEvent( const KeyEvent& rKeyEvent )
+{
+    bool bRet = false;
+
+    if ( GetPageCount() > 1 )
+    {
+        vcl::KeyCode aKeyCode = rKeyEvent.GetKeyCode();
+        sal_uInt16 nKeyCode = aKeyCode.GetCode();
+
+        if ( aKeyCode.IsMod1() )
+        {
+            if ( aKeyCode.IsShift() || (nKeyCode == KEY_PAGEUP) )
+            {
+                if ( (nKeyCode == KEY_TAB) || (nKeyCode == KEY_PAGEUP) )
+                {
+                    ImplActivateTabPage( false );
+                    bRet = true;
+                }
+            }
+            else
+            {
+                if ( (nKeyCode == KEY_TAB) || (nKeyCode == KEY_PAGEDOWN) )
+                {
+                    ImplActivateTabPage( true );
+                    bRet = true;
+                }
+            }
+        }
+    }
+
+    return bRet;
+}
+
+IMPL_LINK_NOARG(TabControl, ImplListBoxSelectHdl, ListBox&, void)
+{
+    SelectTabPage( GetPageId( mpTabCtrlData->mpListBox->GetSelectedEntryPos() ) );
+}
+
+IMPL_LINK( TabControl, ImplWindowEventListener, VclWindowEvent&, rEvent, void )
+{
+    if ( rEvent.GetId() == VclEventId::WindowKeyInput )
+    {
+        // Do not handle events from TabControl or its children, which is done in Notify(), where the events can be consumed.
+        if ( !IsWindowOrChild( rEvent.GetWindow() ) )
+        {
+            KeyEvent* pKeyEvent = static_cast< KeyEvent* >(rEvent.GetData());
+            ImplHandleKeyEvent( *pKeyEvent );
+        }
+    }
+}
+
+void TabControl::MouseButtonDown( const MouseEvent& rMEvt )
+{
+    if (mpTabCtrlData->mpListBox || !rMEvt.IsLeft())
+        return;
+
+    ImplTabItem *pItem = ImplGetItem(rMEvt.GetPosPixel());
+    if (pItem && pItem->m_bEnabled)
+        SelectTabPage(pItem->id());
+}
+
+void TabControl::KeyInput( const KeyEvent& rKEvt )
+{
+    if( mpTabCtrlData->mpListBox )
+        mpTabCtrlData->mpListBox->KeyInput( rKEvt );
+    else if ( GetPageCount() > 1 )
+    {
+        vcl::KeyCode aKeyCode = rKEvt.GetKeyCode();
+        sal_uInt16  nKeyCode = aKeyCode.GetCode();
+
+        if ( (nKeyCode == KEY_LEFT) || (nKeyCode == KEY_RIGHT) )
+        {
+            bool bNext = (nKeyCode == KEY_RIGHT);
+            ImplActivateTabPage( bNext );
+        }
+    }
+
+    Control::KeyInput( rKEvt );
+}
+
+static bool lcl_canPaint(const vcl::RenderContext& rRenderContext, const tools::Rectangle& rDrawRect,
+                         const tools::Rectangle& rItemRect)
+{
+    vcl::Region aClipRgn(rRenderContext.GetActiveClipRegion());
+    aClipRgn.Intersect(rItemRect);
+    if (!rDrawRect.IsEmpty())
+        aClipRgn.Intersect(rDrawRect);
+    return !aClipRgn.IsEmpty();
+}
+
+void TabControl::Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
+{
+    if (GetStyle() & WB_NOBORDER)
+        return;
+
+    Control::Paint(rRenderContext, rRect);
+
+    HideFocus();
+
+    // reformat if needed
+    tools::Rectangle aRect = ImplGetTabRect(TAB_PAGERECT);
+
+    // find current item
+    ImplTabItem* pCurItem = nullptr;
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (item.id() == mnCurPageId)
+        {
+            pCurItem = &item;
+            break;
+        }
+    }
+
+    // Draw the TabPage border
+    const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
+    tools::Rectangle aCurRect;
+    aRect.AdjustLeft( -(TAB_OFFSET) );
+    aRect.AdjustTop( -(TAB_OFFSET) );
+    aRect.AdjustRight(TAB_OFFSET );
+    aRect.AdjustBottom(TAB_OFFSET );
+
+    // if we have an invisible tabpage or no tabpage at all the tabpage rect should be
+    // increased to avoid round corners that might be drawn by a theme
+    // in this case we're only interested in the top border of the tabpage because the tabitems are used
+    // standalone (eg impress)
+    bool bNoTabPage = false;
+    TabPage* pCurPage = pCurItem ? pCurItem->mpTabPage.get() : nullptr;
+    if (!pCurPage || !pCurPage->IsVisible())
+    {
+        bNoTabPage = true;
+        aRect.AdjustLeft( -10 );
+        aRect.AdjustRight(10 );
+    }
+
+    if (rRenderContext.IsNativeControlSupported(ControlType::TabPane, ControlPart::Entire))
+    {
+        const bool bPaneWithHeader = mbShowTabs && rRenderContext.IsNativeControlSupported(ControlType::TabPane, ControlPart::TabPaneWithHeader);
+        tools::Rectangle aHeaderRect(aRect.Left(), 0, aRect.Right(), aRect.Top());
+        if (bPaneWithHeader)
+        {
+            aRect.SetTop(0);
+            if (mpTabCtrlData->maItemList.size())
+            {
+                tools::Long nRight = 0;
+                for (const auto &item : mpTabCtrlData->maItemList)
+                    if (item.m_bVisible)
+                        nRight = item.maRect.Right();
+                assert(nRight);
+                aHeaderRect.SetRight(nRight);
+            }
+        }
+        const TabPaneValue aTabPaneValue(aHeaderRect, pCurItem ? pCurItem->maRect : tools::Rectangle());
+
+        ControlState nState = ControlState::ENABLED;
+        if (!IsEnabled())
+            nState &= ~ControlState::ENABLED;
+        if (HasFocus())
+            nState |= ControlState::FOCUSED;
+
+        if (lcl_canPaint(rRenderContext, rRect, aRect))
+            rRenderContext.DrawNativeControl(ControlType::TabPane, ControlPart::Entire,
+                                             aRect, nState, aTabPaneValue, OUString());
+
+        if (!bPaneWithHeader && rRenderContext.IsNativeControlSupported(ControlType::TabHeader, ControlPart::Entire)
+                && lcl_canPaint(rRenderContext, rRect, aHeaderRect))
+            rRenderContext.DrawNativeControl(ControlType::TabHeader, ControlPart::Entire,
+                                             aHeaderRect, nState, aTabPaneValue, OUString());
+    }
+    else
+    {
+        tools::Long nTopOff = 1;
+        if (!(rStyleSettings.GetOptions() & StyleSettingsOptions::Mono))
+            rRenderContext.SetLineColor(rStyleSettings.GetLightColor());
+        else
+            rRenderContext.SetLineColor(COL_BLACK);
+        if (mbShowTabs && pCurItem && !pCurItem->maRect.IsEmpty())
+        {
+            aCurRect = pCurItem->maRect;
+            rRenderContext.DrawLine(aRect.TopLeft(), Point(aCurRect.Left() - 2, aRect.Top()));
+            if (aCurRect.Right() + 1 < aRect.Right())
+            {
+                rRenderContext.DrawLine(Point(aCurRect.Right(), aRect.Top()), aRect.TopRight());
+            }
+            else
+            {
+                nTopOff = 0;
+            }
+        }
+        else
+            rRenderContext.DrawLine(aRect.TopLeft(), aRect.TopRight());
+
+        rRenderContext.DrawLine(aRect.TopLeft(), aRect.BottomLeft());
+
+        if (!(rStyleSettings.GetOptions() & StyleSettingsOptions::Mono))
+        {
+            // if we have not tab page the bottom line of the tab page
+            // directly touches the tab items, so choose a color that fits seamlessly
+            if (bNoTabPage)
+                rRenderContext.SetLineColor(rStyleSettings.GetDialogColor());
+            else
+                rRenderContext.SetLineColor(rStyleSettings.GetShadowColor());
+            rRenderContext.DrawLine(Point(1, aRect.Bottom() - 1), Point(aRect.Right() - 1, aRect.Bottom() - 1));
+            rRenderContext.DrawLine(Point(aRect.Right() - 1, aRect.Top() + nTopOff), Point(aRect.Right() - 1, aRect.Bottom() - 1));
+            if (bNoTabPage)
+                rRenderContext.SetLineColor(rStyleSettings.GetDialogColor());
+            else
+                rRenderContext.SetLineColor(rStyleSettings.GetDarkShadowColor());
+            rRenderContext.DrawLine(Point(0, aRect.Bottom()), Point(aRect.Right(), aRect.Bottom()));
+            rRenderContext.DrawLine(Point(aRect.Right(), aRect.Top() + nTopOff), Point(aRect.Right(), aRect.Bottom()));
+        }
+        else
+        {
+            rRenderContext.DrawLine(aRect.TopRight(), aRect.BottomRight());
+            rRenderContext.DrawLine(aRect.BottomLeft(), aRect.BottomRight());
+        }
+    }
+
+    if (mbShowTabs && !mpTabCtrlData->maItemList.empty() && mpTabCtrlData->mpListBox == nullptr)
+    {
+        // Some native toolkits (GTK+) draw tabs right-to-left, with an
+        // overlap between adjacent tabs
+        bool bDrawTabsRTL = rRenderContext.IsNativeControlSupported(ControlType::TabItem, ControlPart::TabsDrawRtl);
+        ImplTabItem* pFirstTab = nullptr;
+        ImplTabItem* pLastTab = nullptr;
+        size_t idx;
+
+        // Even though there is a tab overlap with GTK+, the first tab is not
+        // overlapped on the left side. Other toolkits ignore this option.
+        if (bDrawTabsRTL)
+        {
+            pFirstTab = mpTabCtrlData->maItemList.data();
+            pLastTab = pFirstTab + mpTabCtrlData->maItemList.size() - 1;
+            idx = mpTabCtrlData->maItemList.size() - 1;
+        }
+        else
+        {
+            pLastTab = mpTabCtrlData->maItemList.data();
+            pFirstTab = pLastTab + mpTabCtrlData->maItemList.size() - 1;
+            idx = 0;
+        }
+
+        while (idx < mpTabCtrlData->maItemList.size())
+        {
+            ImplTabItem* pItem = &mpTabCtrlData->maItemList[idx];
+
+            if (pItem != pCurItem && pItem->m_bVisible && lcl_canPaint(rRenderContext, rRect, pItem->maRect))
+                ImplDrawItem(rRenderContext, pItem, aCurRect, pItem == pFirstTab, pItem == pLastTab);
+
+            if (bDrawTabsRTL)
+                idx--;
+            else
+                idx++;
+        }
+
+        if (pCurItem && lcl_canPaint(rRenderContext, rRect, pCurItem->maRect))
+            ImplDrawItem(rRenderContext, pCurItem, aCurRect, pCurItem == pFirstTab, pCurItem == pLastTab);
+    }
+
+    if (HasFocus())
+        ImplShowFocus();
+
+    mbSmallInvalidate = true;
+}
+
+void TabControl::setAllocation(const Size &rAllocation)
+{
+    ImplFreeLayoutData();
+
+    if ( !IsReallyShown() )
+        return;
+
+    if( mpTabCtrlData->mpListBox )
+    {
+        // get the listbox' preferred size
+        Size aTabCtrlSize( GetSizePixel() );
+        tools::Long nPrefWidth = mpTabCtrlData->mpListBox->get_preferred_size().Width();
+        if( nPrefWidth > aTabCtrlSize.Width() )
+            nPrefWidth = aTabCtrlSize.Width();
+        Size aNewSize( nPrefWidth, LogicToPixel( Size( 12, 12 ), MapMode( MapUnit::MapAppFont ) ).Height() );
+        Point aNewPos( (aTabCtrlSize.Width() - nPrefWidth) / 2, 0 );
+        mpTabCtrlData->mpListBox->SetPosSizePixel( aNewPos, aNewSize );
+    }
+
+    mbFormat = true;
+
+    // resize/position active TabPage
+    bool bTabPage = ImplPosCurTabPage();
+
+    // check what needs to be invalidated
+    Size aNewSize = rAllocation;
+    tools::Long nNewWidth = aNewSize.Width();
+    for (auto const& item : mpTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+        if (!item.mbFullVisible || (item.maRect.Right()-2 >= nNewWidth))
+        {
+            mbSmallInvalidate = false;
+            break;
+        }
+    }
+
+    if ( mbSmallInvalidate )
+    {
+        tools::Rectangle aRect = ImplGetTabRect( TAB_PAGERECT );
+        aRect.AdjustLeft( -(TAB_OFFSET+TAB_BORDER_LEFT) );
+        aRect.AdjustTop( -(TAB_OFFSET+TAB_BORDER_TOP) );
+        aRect.AdjustRight(TAB_OFFSET+TAB_BORDER_RIGHT );
+        aRect.AdjustBottom(TAB_OFFSET+TAB_BORDER_BOTTOM );
+        if ( bTabPage )
+            Invalidate( aRect, InvalidateFlags::NoChildren );
+        else
+            Invalidate( aRect );
+
+    }
+    else
+    {
+        if ( bTabPage )
+            Invalidate( InvalidateFlags::NoChildren );
+        else
+            Invalidate();
+    }
+
+    mbLayoutDirty = false;
+}
+
+void TabControl::SetPosSizePixel(const Point& rNewPos, const Size& rNewSize)
+{
+    Window::SetPosSizePixel(rNewPos, rNewSize);
+    //if size changed, TabControl::Resize got called already
+    if (mbLayoutDirty)
+        setAllocation(rNewSize);
+}
+
+void TabControl::SetSizePixel(const Size& rNewSize)
+{
+    Window::SetSizePixel(rNewSize);
+    //if size changed, TabControl::Resize got called already
+    if (mbLayoutDirty)
+        setAllocation(rNewSize);
+}
+
+void TabControl::SetPosPixel(const Point& rPos)
+{
+    Window::SetPosPixel(rPos);
+    if (mbLayoutDirty)
+        setAllocation(GetOutputSizePixel());
+}
+
+void TabControl::Resize()
+{
+    setAllocation(Control::GetOutputSizePixel());
+}
+
+void TabControl::GetFocus()
+{
+    if( ! mpTabCtrlData->mpListBox )
+    {
+        if (mbShowTabs)
+        {
+            ImplShowFocus();
+            SetInputContext( InputContext( GetFont() ) );
+        }
+        else
+        {
+            // no tabs, focus first thing in current page
+            ImplTabItem* pItem = ImplGetItem(GetCurPageId());
+            if (pItem && pItem->mpTabPage)
+            {
+                vcl::Window* pFirstChild = pItem->mpTabPage->ImplGetDlgWindow(0, GetDlgWindowType::First);
+                if ( pFirstChild )
+                    pFirstChild->ImplControlFocus(GetFocusFlags::Init);
+            }
+        }
+    }
+    else
+    {
+        if( mpTabCtrlData->mpListBox->IsReallyVisible() )
+            mpTabCtrlData->mpListBox->GrabFocus();
+    }
+
+    Control::GetFocus();
+}
+
+void TabControl::LoseFocus()
+{
+    if( mpTabCtrlData && ! mpTabCtrlData->mpListBox )
+        HideFocus();
+    Control::LoseFocus();
+}
+
+void TabControl::RequestHelp( const HelpEvent& rHEvt )
+{
+    sal_uInt16 nItemId = rHEvt.KeyboardActivated() ? mnCurPageId : GetPageId( ScreenToOutputPixel( rHEvt.GetMousePosPixel() ) );
+
+    if ( nItemId )
+    {
+        if ( rHEvt.GetMode() & HelpEventMode::BALLOON )
+        {
+            OUString aStr = GetHelpText( nItemId );
+            if ( !aStr.isEmpty() )
+            {
+                tools::Rectangle aItemRect = ImplGetTabRect( GetPagePos( nItemId ) );
+                Point aPt = OutputToScreenPixel( aItemRect.TopLeft() );
+                aItemRect.SetLeft( aPt.X() );
+                aItemRect.SetTop( aPt.Y() );
+                aPt = OutputToScreenPixel( aItemRect.BottomRight() );
+                aItemRect.SetRight( aPt.X() );
+                aItemRect.SetBottom( aPt.Y() );
+                Help::ShowBalloon( this, aItemRect.Center(), aItemRect, aStr );
+                return;
+            }
+        }
+
+        // for Quick or Ballon Help, we show the text, if it is cut
+        if ( rHEvt.GetMode() & (HelpEventMode::QUICK | HelpEventMode::BALLOON) )
+        {
+            ImplTabItem* pItem = ImplGetItem( nItemId );
+            const OUString& rStr = pItem->maText;
+            if ( rStr != pItem->maFormatText )
+            {
+                tools::Rectangle aItemRect = ImplGetTabRect( GetPagePos( nItemId ) );
+                Point aPt = OutputToScreenPixel( aItemRect.TopLeft() );
+                aItemRect.SetLeft( aPt.X() );
+                aItemRect.SetTop( aPt.Y() );
+                aPt = OutputToScreenPixel( aItemRect.BottomRight() );
+                aItemRect.SetRight( aPt.X() );
+                aItemRect.SetBottom( aPt.Y() );
+                if ( !rStr.isEmpty() )
+                {
+                    if ( rHEvt.GetMode() & HelpEventMode::BALLOON )
+                        Help::ShowBalloon( this, aItemRect.Center(), aItemRect, rStr );
+                    else
+                        Help::ShowQuickHelp( this, aItemRect, rStr );
+                    return;
+                }
+            }
+        }
+
+        if ( rHEvt.GetMode() & HelpEventMode::QUICK )
+        {
+            ImplTabItem* pItem = ImplGetItem( nItemId );
+            const OUString& rHelpText = pItem->maHelpText;
+            if (!rHelpText.isEmpty())
+            {
+                tools::Rectangle aItemRect = ImplGetTabRect( GetPagePos( nItemId ) );
+                Point aPt = OutputToScreenPixel( aItemRect.TopLeft() );
+                aItemRect.SetLeft( aPt.X() );
+                aItemRect.SetTop( aPt.Y() );
+                aPt = OutputToScreenPixel( aItemRect.BottomRight() );
+                aItemRect.SetRight( aPt.X() );
+                aItemRect.SetBottom( aPt.Y() );
+                Help::ShowQuickHelp( this, aItemRect, rHelpText );
+                return;
+            }
+        }
+    }
+
+    Control::RequestHelp( rHEvt );
+}
+
+void TabControl::Command( const CommandEvent& rCEvt )
+{
+    if( (mpTabCtrlData->mpListBox == nullptr) && (rCEvt.GetCommand() == CommandEventId::ContextMenu) && (GetPageCount() > 1) )
+    {
+        Point   aMenuPos;
+        bool    bMenu;
+        if ( rCEvt.IsMouseEvent() )
+        {
+            aMenuPos = rCEvt.GetMousePosPixel();
+            bMenu = GetPageId( aMenuPos ) != 0;
+        }
+        else
+        {
+            aMenuPos = ImplGetTabRect( GetPagePos( mnCurPageId ) ).Center();
+            bMenu = true;
+        }
+
+        if ( bMenu )
+        {
+            ScopedVclPtrInstance<PopupMenu> aMenu;
+            for (auto const& item : mpTabCtrlData->maItemList)
+            {
+                aMenu->InsertItem(item.id(), item.maText, MenuItemBits::CHECKABLE | MenuItemBits::RADIOCHECK);
+                if (item.id() == mnCurPageId)
+                    aMenu->CheckItem(item.id());
+                aMenu->SetHelpId(item.id(), OString());
+            }
+
+            sal_uInt16 nId = aMenu->Execute( this, aMenuPos );
+            if ( nId && (nId != mnCurPageId) )
+                SelectTabPage( nId );
+            return;
+        }
+    }
+
+    Control::Command( rCEvt );
+}
+
+void TabControl::StateChanged( StateChangedType nType )
+{
+    Control::StateChanged( nType );
+
+    if ( nType == StateChangedType::InitShow )
+    {
+        ImplPosCurTabPage();
+        if( mpTabCtrlData->mpListBox )
+            Resize();
+    }
+    else if ( nType == StateChangedType::UpdateMode )
+    {
+        if ( IsUpdateMode() )
+            Invalidate();
+    }
+    else if ( (nType == StateChangedType::Zoom)  ||
+              (nType == StateChangedType::ControlFont) )
+    {
+        ImplInitSettings( false );
+        Invalidate();
+    }
+    else if ( nType == StateChangedType::ControlForeground )
+    {
+        ImplInitSettings( false );
+        Invalidate();
+    }
+    else if ( nType == StateChangedType::ControlBackground )
+    {
+        ImplInitSettings( true );
+        Invalidate();
+    }
+}
+
+void TabControl::DataChanged( const DataChangedEvent& rDCEvt )
+{
+    Control::DataChanged( rDCEvt );
+
+    if ( (rDCEvt.GetType() == DataChangedEventType::FONTS) ||
+         (rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
+         ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
+          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
+    {
+        ImplInitSettings( true );
+        Invalidate();
+    }
+}
+
+ImplTabItem* TabControl::ImplGetItem(const Point& rPt) const
+{
+    ImplTabItem* pFoundItem = nullptr;
+    int nFound = 0;
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (item.m_bVisible && item.maRect.Contains(rPt))
+        {
+            nFound++;
+            pFoundItem = &item;
+        }
+    }
+
+    // assure that only one tab is highlighted at a time
+    assert(nFound <= 1);
+    return nFound == 1 ? pFoundItem : nullptr;
+}
+
+bool TabControl::PreNotify( NotifyEvent& rNEvt )
+{
+    if( rNEvt.GetType() == MouseNotifyEvent::MOUSEMOVE )
+    {
+        const MouseEvent* pMouseEvt = rNEvt.GetMouseEvent();
+        if( pMouseEvt && !pMouseEvt->GetButtons() && !pMouseEvt->IsSynthetic() && !pMouseEvt->IsModifierChanged() )
+        {
+            // trigger redraw if mouse over state has changed
+            if( IsNativeControlSupported(ControlType::TabItem, ControlPart::Entire) )
+            {
+                ImplTabItem *pItem = ImplGetItem(GetPointerPosPixel());
+                ImplTabItem *pLastItem = ImplGetItem(GetLastPointerPosPixel());
+                if ((pItem != pLastItem) || pMouseEvt->IsLeaveWindow() || pMouseEvt->IsEnterWindow())
+                {
+                    vcl::Region aClipRgn;
+                    if (pLastItem)
+                    {
+                        // allow for slightly bigger tabitems
+                        // as used by gtk
+                        // TODO: query for the correct sizes
+                        tools::Rectangle aRect(pLastItem->maRect);
+                        aRect.AdjustLeft( -2 );
+                        aRect.AdjustRight(2 );
+                        aRect.AdjustTop( -3 );
+                        aClipRgn.Union( aRect );
+                    }
+
+                    if (pItem)
+                    {
+                        // allow for slightly bigger tabitems
+                        // as used by gtk
+                        // TODO: query for the correct sizes
+                        tools::Rectangle aRect(pItem->maRect);
+                        aRect.AdjustLeft( -2 );
+                        aRect.AdjustRight(2 );
+                        aRect.AdjustTop( -3 );
+                        aClipRgn.Union( aRect );
+                    }
+
+                    if( !aClipRgn.IsEmpty() )
+                        Invalidate( aClipRgn );
+                }
+            }
+        }
+    }
+
+    return Control::PreNotify(rNEvt);
+}
+
+bool TabControl::EventNotify( NotifyEvent& rNEvt )
+{
+    bool bRet = false;
+
+    if ( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT )
+        bRet = ImplHandleKeyEvent( *rNEvt.GetKeyEvent() );
+
+    return bRet || Control::EventNotify( rNEvt );
+}
+
+void TabControl::ActivatePage()
+{
+    maActivateHdl.Call( this );
+}
+
+bool TabControl::DeactivatePage()
+{
+    return !maDeactivateHdl.IsSet() || maDeactivateHdl.Call( this );
+}
+
+void TabControl::SetTabPageSizePixel( const Size& rSize )
+{
+    ImplFreeLayoutData();
+
+    Size aNewSize( rSize );
+    aNewSize.AdjustWidth(TAB_OFFSET*2 );
+    tools::Rectangle aRect = ImplGetTabRect( TAB_PAGERECT,
+                                      aNewSize.Width(), aNewSize.Height() );
+    aNewSize.AdjustHeight(aRect.Top()+TAB_OFFSET );
+    Window::SetOutputSizePixel( aNewSize );
+}
+
+void TabControl::InsertPage( sal_uInt16 nPageId, const OUString& rText,
+                             sal_uInt16 nPos )
+{
+    SAL_WARN_IF( !nPageId, "vcl", "TabControl::InsertPage(): PageId == 0" );
+    SAL_WARN_IF( GetPagePos( nPageId ) != TAB_PAGE_NOTFOUND, "vcl",
+                "TabControl::InsertPage(): PageId already exists" );
+
+    // insert new page item
+    ImplTabItem* pItem = nullptr;
+    if( nPos == TAB_APPEND || size_t(nPos) >= mpTabCtrlData->maItemList.size() )
+    {
+        mpTabCtrlData->maItemList.emplace_back(nPageId);
+        pItem = &mpTabCtrlData->maItemList.back();
+        if( mpTabCtrlData->mpListBox )
+            mpTabCtrlData->mpListBox->InsertEntry( rText );
+    }
+    else
+    {
+        std::vector< ImplTabItem >::iterator new_it =
+            mpTabCtrlData->maItemList.emplace(mpTabCtrlData->maItemList.begin() + nPos, nPageId);
+        pItem = &(*new_it);
+        if( mpTabCtrlData->mpListBox )
+            mpTabCtrlData->mpListBox->InsertEntry( rText, nPos);
+    }
+    if( mpTabCtrlData->mpListBox )
+    {
+        if( ! mnCurPageId )
+            mpTabCtrlData->mpListBox->SelectEntryPos( 0 );
+        mpTabCtrlData->mpListBox->SetDropDownLineCount( mpTabCtrlData->mpListBox->GetEntryCount() );
+    }
+
+    // set current page id
+    if ( !mnCurPageId )
+        mnCurPageId = nPageId;
+
+    // init new page item
+    pItem->maText           = rText;
+    pItem->mbFullVisible    = false;
+
+    mbFormat = true;
+    if ( IsUpdateMode() )
+        Invalidate();
+
+    ImplFreeLayoutData();
+    if( mpTabCtrlData->mpListBox ) // reposition/resize listbox
+        Resize();
+
+    CallEventListeners( VclEventId::TabpageInserted, reinterpret_cast<void*>(nPageId) );
+}
+
+void TabControl::RemovePage( sal_uInt16 nPageId )
+{
+    sal_uInt16 nPos = GetPagePos( nPageId );
+
+    // does the item exist ?
+    if ( nPos == TAB_PAGE_NOTFOUND )
+        return;
+
+    //remove page item
+    std::vector< ImplTabItem >::iterator it = mpTabCtrlData->maItemList.begin() + nPos;
+    bool bIsCurrentPage = (it->id() == mnCurPageId);
+    mpTabCtrlData->maItemList.erase( it );
+    if( mpTabCtrlData->mpListBox )
+    {
+        mpTabCtrlData->mpListBox->RemoveEntry( nPos );
+        mpTabCtrlData->mpListBox->SetDropDownLineCount( mpTabCtrlData->mpListBox->GetEntryCount() );
+    }
+
+    // If current page is removed, then first page gets the current page
+    if ( bIsCurrentPage  )
+    {
+        mnCurPageId = 0;
+
+        if( ! mpTabCtrlData->maItemList.empty() )
+        {
+            // don't do this by simply setting mnCurPageId to pFirstItem->id()
+            // this leaves a lot of stuff (such trivia as _showing_ the new current page) undone
+            // instead, call SetCurPageId
+            // without this, the next (outside) call to SetCurPageId with the id of the first page
+            // will result in doing nothing (as we assume that nothing changed, then), and the page
+            // will never be shown.
+            // 86875 - 05/11/2001 - frank.schoenheit@germany.sun.com
+
+            SetCurPageId(mpTabCtrlData->maItemList[0].id());
+        }
+    }
+
+    mbFormat = true;
+    if ( IsUpdateMode() )
+        Invalidate();
+
+    ImplFreeLayoutData();
+
+    CallEventListeners( VclEventId::TabpageRemoved, reinterpret_cast<void*>(nPageId) );
+}
+
+void TabControl::SetPageEnabled( sal_uInt16 i_nPageId, bool i_bEnable )
+{
+    ImplTabItem* pItem = ImplGetItem( i_nPageId );
+
+    if (!pItem || pItem->m_bEnabled == i_bEnable)
+        return;
+
+    pItem->m_bEnabled = i_bEnable;
+    if (!pItem->m_bVisible)
+        return;
+
+    mbFormat = true;
+    if( mpTabCtrlData->mpListBox )
+        mpTabCtrlData->mpListBox->SetEntryFlags( GetPagePos( i_nPageId ),
+                                                 i_bEnable ? ListBoxEntryFlags::NONE : (ListBoxEntryFlags::DisableSelection | ListBoxEntryFlags::DrawDisabled) );
+
+    // SetCurPageId will change to a valid page
+    if (pItem->id() == mnCurPageId)
+        SetCurPageId( mnCurPageId );
+    else if ( IsUpdateMode() )
+        Invalidate();
+}
+
+void TabControl::SetPageVisible( sal_uInt16 nPageId, bool bVisible )
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    if (!pItem || pItem->m_bVisible == bVisible)
+        return;
+
+    pItem->m_bVisible = bVisible;
+    if (!bVisible)
+    {
+        if (pItem->mbFullVisible)
+            mbSmallInvalidate = false;
+        pItem->mbFullVisible = false;
+        pItem->maRect.SetEmpty();
+    }
+    mbFormat = true;
+
+    // SetCurPageId will change to a valid page
+    if (pItem->id() == mnCurPageId)
+        SetCurPageId(mnCurPageId);
+    else if (IsUpdateMode())
+        Invalidate();
+}
+
+sal_uInt16 TabControl::GetPageCount() const
+{
+    return static_cast<sal_uInt16>(mpTabCtrlData->maItemList.size());
+}
+
+sal_uInt16 TabControl::GetPageId( sal_uInt16 nPos ) const
+{
+    if( size_t(nPos) < mpTabCtrlData->maItemList.size() )
+        return mpTabCtrlData->maItemList[nPos].id();
+    return 0;
+}
+
+sal_uInt16 TabControl::GetPagePos( sal_uInt16 nPageId ) const
+{
+    sal_uInt16 nPos = 0;
+    for (auto const& item : mpTabCtrlData->maItemList)
+    {
+        if (item.id() == nPageId)
+            return nPos;
+        ++nPos;
+    }
+
+    return TAB_PAGE_NOTFOUND;
+}
+
+sal_uInt16 TabControl::GetPageId( const Point& rPos ) const
+{
+    Size winSize = Control::GetOutputSizePixel();
+    const auto &rList = mpTabCtrlData->maItemList;
+    const auto it = std::find_if(rList.begin(), rList.end(), [&rPos, &winSize, this](const auto &item) {
+        return const_cast<TabControl*>(this)->ImplGetTabRect(&item, winSize.Width(), winSize.Height()).Contains(rPos); });
+    return (it != rList.end()) ? it->id() : 0;
+}
+
+sal_uInt16 TabControl::GetPageId( const OString& rName ) const
+{
+    const auto &rList = mpTabCtrlData->maItemList;
+    const auto it = std::find_if(rList.begin(), rList.end(), [&rName](const auto &item) {
+        return item.maTabName == rName; });
+    return (it != rList.end()) ? it->id() : 0;
+}
+
+void TabControl::SetCurPageId( sal_uInt16 nPageId )
+{
+    sal_uInt16 nPos = GetPagePos( nPageId );
+    while (nPos != TAB_PAGE_NOTFOUND && !mpTabCtrlData->maItemList[nPos].m_bEnabled)
+    {
+        nPos++;
+        if( size_t(nPos) >= mpTabCtrlData->maItemList.size() )
+            nPos = 0;
+        if (mpTabCtrlData->maItemList[nPos].id() == nPageId)
+            break;
+    }
+
+    if( nPos == TAB_PAGE_NOTFOUND )
+        return;
+
+    nPageId = mpTabCtrlData->maItemList[nPos].id();
+    if ( nPageId == mnCurPageId )
+    {
+        if ( mnActPageId )
+            mnActPageId = nPageId;
+        return;
+    }
+
+    if ( mnActPageId )
+        mnActPageId = nPageId;
+    else
+    {
+        mbFormat = true;
+        sal_uInt16 nOldId = mnCurPageId;
+        mnCurPageId = nPageId;
+        ImplChangeTabPage( nPageId, nOldId );
+    }
+}
+
+sal_uInt16 TabControl::GetCurPageId() const
+{
+    if ( mnActPageId )
+        return mnActPageId;
+    else
+        return mnCurPageId;
+}
+
+void TabControl::SelectTabPage( sal_uInt16 nPageId )
+{
+    if ( !nPageId || (nPageId == mnCurPageId) )
+        return;
+
+    ImplFreeLayoutData();
+
+    CallEventListeners( VclEventId::TabpageDeactivate, reinterpret_cast<void*>(mnCurPageId) );
+    if ( DeactivatePage() )
+    {
+        mnActPageId = nPageId;
+        ActivatePage();
+        // Page could have been switched by the Activate handler
+        nPageId = mnActPageId;
+        mnActPageId = 0;
+        SetCurPageId( nPageId );
+        if( mpTabCtrlData->mpListBox )
+            mpTabCtrlData->mpListBox->SelectEntryPos( GetPagePos( nPageId ) );
+        CallEventListeners( VclEventId::TabpageActivate, reinterpret_cast<void*>(nPageId) );
+    }
+}
+
+void TabControl::SetTabPage( sal_uInt16 nPageId, TabPage* pTabPage )
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    if ( !pItem || (pItem->mpTabPage.get() == pTabPage) )
+        return;
+
+    if ( pTabPage )
+    {
+        if ( IsDefaultSize() )
+            SetTabPageSizePixel( pTabPage->GetSizePixel() );
+
+        // only set here, so that Resize does not reposition TabPage
+        pItem->mpTabPage = pTabPage;
+        queue_resize();
+
+        if (pItem->id() == mnCurPageId)
+            ImplChangeTabPage(pItem->id(), 0);
+    }
+    else
+    {
+        pItem->mpTabPage = nullptr;
+        queue_resize();
+    }
+}
+
+TabPage* TabControl::GetTabPage( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    if ( pItem )
+        return pItem->mpTabPage;
+    else
+        return nullptr;
+}
+
+void TabControl::SetPageText( sal_uInt16 nPageId, const OUString& rText )
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    if ( !pItem || pItem->maText == rText )
+        return;
+
+    pItem->maText = rText;
+    mbFormat = true;
+    if( mpTabCtrlData->mpListBox )
+    {
+        sal_uInt16 nPos = GetPagePos( nPageId );
+        mpTabCtrlData->mpListBox->RemoveEntry( nPos );
+        mpTabCtrlData->mpListBox->InsertEntry( rText, nPos );
+    }
+    if ( IsUpdateMode() )
+        Invalidate();
+    ImplFreeLayoutData();
+    CallEventListeners( VclEventId::TabpagePageTextChanged, reinterpret_cast<void*>(nPageId) );
+}
+
+OUString const & TabControl::GetPageText( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    assert( pItem );
+
+    return pItem->maText;
+}
+
+void TabControl::SetHelpText( sal_uInt16 nPageId, const OUString& rText )
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    assert( pItem );
+
+    pItem->maHelpText = rText;
+}
+
+const OUString& TabControl::GetHelpText( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    assert( pItem );
+    return pItem->maHelpText;
+}
+
+void TabControl::SetAccessibleName(sal_uInt16 nPageId, const OUString& rName)
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    assert( pItem );
+    pItem->maAccessibleName = rName;
+}
+
+OUString TabControl::GetAccessibleName( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    assert( pItem );
+    if (!pItem->maAccessibleName.isEmpty())
+        return pItem->maAccessibleName;
+    return OutputDevice::GetNonMnemonicString(pItem->maText);
+}
+
+void TabControl::SetAccessibleDescription(sal_uInt16 nPageId, const OUString& rDesc)
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    assert( pItem );
+    pItem->maAccessibleDescription = rDesc;
+}
+
+OUString TabControl::GetAccessibleDescription( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    assert( pItem );
+    if (!pItem->maAccessibleDescription.isEmpty())
+        return pItem->maAccessibleDescription;
+    return pItem->maHelpText;
+}
+
+void TabControl::SetPageName( sal_uInt16 nPageId, const OString& rName ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    if ( pItem )
+        pItem->maTabName = rName;
+}
+
+OString TabControl::GetPageName( sal_uInt16 nPageId ) const
+{
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+
+    if (pItem)
+        return pItem->maTabName;
+
+    return OString();
+}
+
+void TabControl::SetPageImage( sal_uInt16 i_nPageId, const Image& i_rImage )
+{
+    ImplTabItem* pItem = ImplGetItem( i_nPageId );
+
+    if ( pItem )
+    {
+        pItem->maTabImage = i_rImage;
+        mbFormat = true;
+        if ( IsUpdateMode() )
+            Invalidate();
+    }
+}
+
+tools::Rectangle TabControl::GetCharacterBounds( sal_uInt16 nPageId, tools::Long nIndex ) const
+{
+    tools::Rectangle aRet;
+
+    if( !HasLayoutData() || mpTabCtrlData->maLayoutPageIdToLine.empty() )
+        FillLayoutData();
+
+    if( HasLayoutData() )
+    {
+        std::unordered_map< int, int >::const_iterator it = mpTabCtrlData->maLayoutPageIdToLine.find( static_cast<int>(nPageId) );
+        if( it != mpTabCtrlData->maLayoutPageIdToLine.end() )
+        {
+            Pair aPair = mxLayoutData->GetLineStartEnd( it->second );
+            if( (aPair.B() - aPair.A()) >= nIndex )
+                aRet = mxLayoutData->GetCharacterBounds( aPair.A() + nIndex );
+        }
+    }
+
+    return aRet;
+}
+
+tools::Long TabControl::GetIndexForPoint( const Point& rPoint, sal_uInt16& rPageId ) const
+{
+    tools::Long nRet = -1;
+
+    if( !HasLayoutData() || mpTabCtrlData->maLayoutPageIdToLine.empty() )
+        FillLayoutData();
+
+    if( HasLayoutData() )
+    {
+        int nIndex = mxLayoutData->GetIndexForPoint( rPoint );
+        if( nIndex != -1 )
+        {
+            // what line (->pageid) is this index in ?
+            int nLines = mxLayoutData->GetLineCount();
+            int nLine = -1;
+            while( ++nLine < nLines )
+            {
+                Pair aPair = mxLayoutData->GetLineStartEnd( nLine );
+                if( aPair.A() <= nIndex && aPair.B() >= nIndex )
+                {
+                    nRet = nIndex - aPair.A();
+                    rPageId = static_cast<sal_uInt16>(mpTabCtrlData->maLayoutLineToPageId[ nLine ]);
+                    break;
+                }
+            }
+        }
+    }
+
+    return nRet;
+}
+
+void TabControl::FillLayoutData() const
+{
+    mpTabCtrlData->maLayoutLineToPageId.clear();
+    mpTabCtrlData->maLayoutPageIdToLine.clear();
+    const_cast<TabControl*>(this)->Invalidate();
+}
+
+tools::Rectangle TabControl::GetTabBounds( sal_uInt16 nPageId ) const
+{
+    tools::Rectangle aRet;
+
+    ImplTabItem* pItem = ImplGetItem( nPageId );
+    if (pItem && pItem->m_bVisible)
+        aRet = pItem->maRect;
+
+    return aRet;
+}
+
+Size TabControl::ImplCalculateRequisition(sal_uInt16& nHeaderHeight) const
+{
+    Size aOptimalPageSize(0, 0);
+
+    sal_uInt16 nOrigPageId = GetCurPageId();
+    for (auto const& item : mpTabCtrlData->maItemList)
+    {
+        const TabPage *pPage = item.mpTabPage;
+        //it's a real nuisance if the page is not inserted yet :-(
+        //We need to force all tabs to exist to get overall optimal size for dialog
+        if (!pPage)
+        {
+            TabControl *pThis = const_cast<TabControl*>(this);
+            pThis->SetCurPageId(item.id());
+            pThis->ActivatePage();
+            pPage = item.mpTabPage;
+        }
+
+        if (!pPage)
+            continue;
+
+        Size aPageSize(VclContainer::getLayoutRequisition(*pPage));
+
+        if (aPageSize.Width() > aOptimalPageSize.Width())
+            aOptimalPageSize.setWidth( aPageSize.Width() );
+        if (aPageSize.Height() > aOptimalPageSize.Height())
+            aOptimalPageSize.setHeight( aPageSize.Height() );
+    }
+
+    //fdo#61940 If we were forced to activate pages in order to on-demand
+    //create them to get their optimal size, then switch back to the original
+    //page and re-activate it
+    if (nOrigPageId != GetCurPageId())
+    {
+        TabControl *pThis = const_cast<TabControl*>(this);
+        pThis->SetCurPageId(nOrigPageId);
+        pThis->ActivatePage();
+    }
+
+    tools::Long nTabLabelsBottom = 0, nTabLabelsRight = 0;
+    if (mbShowTabs)
+    {
+        for (sal_uInt16 nPos(0), sizeList(static_cast <sal_uInt16> (mpTabCtrlData->maItemList.size()));
+                nPos < sizeList; ++nPos)
+        {
+            TabControl* pThis = const_cast<TabControl*>(this);
+
+            tools::Rectangle aTabRect = pThis->ImplGetTabRect(nPos, aOptimalPageSize.Width(), LONG_MAX);
+            if (aTabRect.Bottom() > nTabLabelsBottom)
+            {
+                nTabLabelsBottom = aTabRect.Bottom();
+                nHeaderHeight = nTabLabelsBottom;
+            }
+            if (!aTabRect.IsEmpty() && aTabRect.Right() > nTabLabelsRight)
+                nTabLabelsRight = aTabRect.Right();
+        }
+    }
+
+    Size aOptimalSize(aOptimalPageSize);
+    aOptimalSize.AdjustHeight(nTabLabelsBottom );
+    aOptimalSize.setWidth( std::max(nTabLabelsRight, aOptimalSize.Width()) );
+
+    aOptimalSize.AdjustWidth(TAB_OFFSET * 2 );
+    aOptimalSize.AdjustHeight(TAB_OFFSET * 2 );
+
+    return aOptimalSize;
+}
+
+Size TabControl::calculateRequisition() const
+{
+    sal_uInt16 nHeaderHeight;
+    return ImplCalculateRequisition(nHeaderHeight);
+}
+
+Size TabControl::GetOptimalSize() const
+{
+    return calculateRequisition();
+}
+
+void TabControl::queue_resize(StateChangedType eReason)
+{
+    mbLayoutDirty = true;
+    Window::queue_resize(eReason);
+}
+
+std::vector<sal_uInt16> TabControl::GetPageIDs() const
+{
+    std::vector<sal_uInt16> aIDs;
+    for (auto const& item : mpTabCtrlData->maItemList)
+    {
+        aIDs.push_back(item.id());
+    }
+
+    return aIDs;
+}
+
+bool TabControl::set_property(const OString &rKey, const OUString &rValue)
+{
+    if (rKey == "show-tabs")
+    {
+        mbShowTabs = toBool(rValue);
+        queue_resize();
+    }
+    else
+        return Control::set_property(rKey, rValue);
+    return true;
+}
+
+FactoryFunction TabControl::GetUITestFactory() const
+{
+    return TabControlUIObject::create;
+}
+
+void TabControl::DumpAsPropertyTree(tools::JsonWriter& rJsonWriter)
+{
+    rJsonWriter.put("id", get_id());
+    rJsonWriter.put("type", "tabcontrol");
+    rJsonWriter.put("selected", GetCurPageId());
+
+    {
+        auto childrenNode = rJsonWriter.startArray("children");
+        for (int i = 0; i < GetChildCount(); i++)
+        {
+            vcl::Window* pChild = GetChild(i);
+
+            if (pChild)
+            {
+                auto childNode = rJsonWriter.startStruct();
+                pChild->DumpAsPropertyTree(rJsonWriter);
+
+                if (!pChild->IsVisible())
+                    rJsonWriter.put("hidden", "true");
+            }
+        }
+    }
+    {
+        auto tabsNode = rJsonWriter.startArray("tabs");
+        for(auto id : GetPageIDs())
+        {
+            auto tabNode = rJsonWriter.startStruct();
+            rJsonWriter.put("text", GetPageText(id));
+            rJsonWriter.put("id", id);
+            rJsonWriter.put("name", GetPageName(id));
+        }
+    }
+}
+
+sal_uInt16 NotebookbarTabControlBase::m_nHeaderHeight = 0;
+
+IMPL_LINK_NOARG(NotebookbarTabControlBase, OpenMenu, Button*, void)
+{
+    m_aIconClickHdl.Call(static_cast<NotebookBar*>(GetParent()->GetParent()));
+}
+
+NotebookbarTabControlBase::NotebookbarTabControlBase(vcl::Window* pParent)
+    : TabControl(pParent, WB_STDTABCONTROL)
+    , bLastContextWasSupported(true)
+    , eLastContext(vcl::EnumContext::Context::Any)
+{
+    m_pOpenMenu = VclPtr<PushButton>::Create( this , WB_CENTER | WB_VCENTER );
+    m_pOpenMenu->SetClickHdl(LINK(this, NotebookbarTabControlBase, OpenMenu));
+    m_pOpenMenu->SetModeImage(Image(StockImage::Yes, SV_RESID_BITMAP_NOTEBOOKBAR));
+    m_pOpenMenu->SetSizePixel(m_pOpenMenu->GetOptimalSize());
+    m_pOpenMenu->Show();
+}
+
+NotebookbarTabControlBase::~NotebookbarTabControlBase()
+{
+    disposeOnce();
+}
+
+void NotebookbarTabControlBase::SetContext( vcl::EnumContext::Context eContext )
+{
+    if (eLastContext == eContext)
+        return;
+
+    bool bHandled = false;
+
+    for (int nChild = 0; nChild < GetPageCount(); ++nChild)
+    {
+        sal_uInt16 nPageId = TabControl::GetPageId(nChild);
+        TabPage* pPage = GetTabPage(nPageId);
+
+        if (pPage)
+        {
+            SetPageVisible(nPageId, pPage->HasContext(eContext) || pPage->HasContext(vcl::EnumContext::Context::Any));
+
+            if (!bHandled && bLastContextWasSupported
+                && pPage->HasContext(vcl::EnumContext::Context::Default))
+            {
+                SetCurPageId(nPageId);
+            }
+
+            if (pPage->HasContext(eContext) && eContext != vcl::EnumContext::Context::Any)
+            {
+                SetCurPageId(nPageId);
+                bHandled = true;
+                bLastContextWasSupported = true;
+            }
+        }
+    }
+
+    if (!bHandled)
+        bLastContextWasSupported = false;
+    eLastContext = eContext;
+
+    // tdf#152908 Tabbed compact toolbar does not repaint itself when tabs getting removed
+    // For unknown reason this is needed by the tabbed compact toolbar for other than gtk
+    // vcl backends.
+    Resize();
+}
+
+void NotebookbarTabControlBase::dispose()
+{
+    m_pShortcuts.disposeAndClear();
+    m_pOpenMenu.disposeAndClear();
+    TabControl::dispose();
+}
+
+void NotebookbarTabControlBase::SetToolBox( ToolBox* pToolBox )
+{
+    m_pShortcuts.set( pToolBox );
+}
+
+void NotebookbarTabControlBase::SetIconClickHdl( Link<NotebookBar*, void> aHdl )
+{
+    m_aIconClickHdl = aHdl;
+}
+
+static bool lcl_isValidPage(const ImplTabItem& rItem, bool& bFound)
+{
+    if (rItem.m_bVisible && rItem.m_bEnabled)
+        bFound = true;
+    return bFound;
+}
+
+void NotebookbarTabControlBase::ImplActivateTabPage( bool bNext )
+{
+    const sal_uInt16 nOldPos = GetPagePos(GetCurPageId());
+    bool bFound = false;
+    sal_Int32 nCurPos = nOldPos;
+
+    if (bNext)
+    {
+        for (nCurPos++; nCurPos < GetPageCount(); nCurPos++)
+            if (lcl_isValidPage(mpTabCtrlData->maItemList[nCurPos], bFound))
+                break;
+    }
+    else
+    {
+        for (nCurPos--; nCurPos >= 0; nCurPos--)
+            if (lcl_isValidPage(mpTabCtrlData->maItemList[nCurPos], bFound))
+                break;
+    }
+
+    if (!bFound)
+        nCurPos = nOldPos;
+    SelectTabPage( TabControl::GetPageId( nCurPos ) );
+}
+
+sal_uInt16 NotebookbarTabControlBase::GetHeaderHeight()
+{
+    return m_nHeaderHeight;
+}
+
+bool NotebookbarTabControlBase::ImplPlaceTabs( tools::Long nWidth )
+{
+    if ( nWidth <= 0 )
+        return false;
+    if ( mpTabCtrlData->maItemList.empty() )
+        return false;
+    if (!m_pOpenMenu || m_pOpenMenu->isDisposed())
+        return false;
+
+    const tools::Long nHamburgerWidth = m_pOpenMenu->GetSizePixel().Width();
+    tools::Long nMaxWidth = nWidth - nHamburgerWidth;
+    tools::Long nShortcutsWidth = m_pShortcuts != nullptr ? m_pShortcuts->GetSizePixel().getWidth() + 1 : 0;
+    tools::Long nFullWidth = nShortcutsWidth;
+
+    const tools::Long nOffsetX = 2 + nShortcutsWidth;
+    const tools::Long nOffsetY = 2;
+
+    //fdo#66435 throw Knuth/Tex minimum raggedness algorithm at the problem
+    //of ugly bare tabs on lines of their own
+
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        tools::Long nTabWidth = 0;
+        if (item.m_bVisible)
+        {
+            nTabWidth = ImplGetItemSize(&item, nMaxWidth).getWidth();
+            if (!item.maText.isEmpty() && nTabWidth < 100)
+                nTabWidth = 100;
+        }
+        nFullWidth += nTabWidth;
+    }
+
+    tools::Long nX = nOffsetX;
+    tools::Long nY = nOffsetY;
+
+    tools::Long nLineWidthAry[100];
+    nLineWidthAry[0] = 0;
+
+    for (auto & item : mpTabCtrlData->maItemList)
+    {
+        if (!item.m_bVisible)
+            continue;
+
+        Size aSize = ImplGetItemSize( &item, nMaxWidth );
+
+        // set minimum tab size
+        if( nFullWidth < nMaxWidth && !item.maText.isEmpty() && aSize.getWidth() < 100)
+            aSize.setWidth( 100 );
+
+        if( !item.maText.isEmpty() && aSize.getHeight() < 28 )
+            aSize.setHeight( 28 );
+
+        tools::Rectangle aNewRect( Point( nX, nY ), aSize );
+        if ( mbSmallInvalidate && (item.maRect != aNewRect) )
+            mbSmallInvalidate = false;
+
+        item.maRect = aNewRect;
+        item.mnLine = 0;
+        item.mbFullVisible = true;
+
+        nLineWidthAry[0] += aSize.Width();
+        nX += aSize.Width();
+    }
+
+    // we always have only one line of tabs
+    lcl_AdjustSingleLineTabs(nMaxWidth, mpTabCtrlData.get());
+
+    // position the shortcutbox
+    if (m_pShortcuts)
+    {
+        tools::Long nPosY = (m_nHeaderHeight - m_pShortcuts->GetSizePixel().getHeight()) / 2;
+        m_pShortcuts->SetPosPixel(Point(0, nPosY));
+    }
+
+    tools::Long nPosY = (m_nHeaderHeight - m_pOpenMenu->GetSizePixel().getHeight()) / 2;
+    // position the menu
+    m_pOpenMenu->SetPosPixel(Point(nWidth - nHamburgerWidth, nPosY));
+
+    return true;
+}
+
+Size NotebookbarTabControlBase::calculateRequisition() const
+{
+    return TabControl::ImplCalculateRequisition(m_nHeaderHeight);
+}
+
+Control* NotebookbarTabControlBase::GetOpenMenu()
+{
+    return m_pOpenMenu;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */