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, 1427 insertions, 0 deletions

diff --git a/vcl/source/control/listbox.cxx b/vcl/source/control/listbox.cxx
new file mode 100644
index 000000000..c8c8b0c8d
--- /dev/null
+++ b/vcl/source/control/listbox.cxx
@@ -0,0 +1,1427 @@
+/* -*- 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 <vcl/builder.hxx>
+#include <vcl/commandevent.hxx>
+#include <vcl/event.hxx>
+#include <vcl/toolkit/lstbox.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/uitest/uiobject.hxx>
+#include <sal/log.hxx>
+
+#include <svdata.hxx>
+#include <listbox.hxx>
+#include <dndeventdispatcher.hxx>
+#include <comphelper/lok.hxx>
+
+#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+#include <boost/property_tree/ptree.hpp>
+#include <tools/json_writer.hxx>
+
+ListBox::ListBox(WindowType nType)
+    : Control(nType)
+    , mpImplLB(nullptr)
+{
+    ImplInitListBoxData();
+}
+
+ListBox::ListBox( vcl::Window* pParent, WinBits nStyle ) : Control( WindowType::LISTBOX )
+{
+    ImplInitListBoxData();
+    ImplInit( pParent, nStyle );
+}
+
+ListBox::~ListBox()
+{
+    disposeOnce();
+}
+
+void ListBox::dispose()
+{
+    CallEventListeners( VclEventId::ObjectDying );
+
+    mpImplLB.disposeAndClear();
+    mpFloatWin.disposeAndClear();
+    mpImplWin.disposeAndClear();
+    mpBtn.disposeAndClear();
+
+    Control::dispose();
+}
+
+void ListBox::ImplInitListBoxData()
+{
+    mpFloatWin      = nullptr;
+    mpImplWin       = nullptr;
+    mpBtn           = nullptr;
+    mnDDHeight      = 0;
+    mnLineCount     = 0;
+    m_nMaxWidthChars = -1;
+    mbDDAutoSize    = true;
+}
+
+void ListBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
+{
+    nStyle = ImplInitStyle( nStyle );
+    if ( !(nStyle & WB_NOBORDER) && ( nStyle & WB_DROPDOWN ) )
+        nStyle |= WB_BORDER;
+
+    Control::ImplInit( pParent, nStyle, nullptr );
+
+    css::uno::Reference< css::datatransfer::dnd::XDropTargetListener> xDrop = new DNDEventDispatcher(this);
+
+    if( nStyle & WB_DROPDOWN )
+    {
+        sal_Int32 nLeft, nTop, nRight, nBottom;
+        GetBorder( nLeft, nTop, nRight, nBottom );
+        mnDDHeight = static_cast<sal_uInt16>(GetTextHeight() + nTop + nBottom + 4);
+
+        if( IsNativeWidgetEnabled() &&
+            IsNativeControlSupported( ControlType::Listbox, ControlPart::Entire ) )
+        {
+                ImplControlValue aControlValue;
+                tools::Rectangle aCtrlRegion( Point( 0, 0 ), Size( 20, mnDDHeight ) );
+                tools::Rectangle aBoundingRgn( aCtrlRegion );
+                tools::Rectangle aContentRgn( aCtrlRegion );
+                if( GetNativeControlRegion( ControlType::Listbox, ControlPart::Entire, aCtrlRegion,
+                                            ControlState::ENABLED, aControlValue,
+                                            aBoundingRgn, aContentRgn ) )
+                {
+                    sal_Int32 nHeight = aBoundingRgn.GetHeight();
+                    if( nHeight > mnDDHeight )
+                        mnDDHeight = static_cast<sal_uInt16>(nHeight);
+                }
+        }
+
+        mpFloatWin = VclPtr<ImplListBoxFloatingWindow>::Create( this );
+        if (!IsNativeControlSupported(ControlType::Pushbutton, ControlPart::Focus))
+            mpFloatWin->RequestDoubleBuffering(true);
+        mpFloatWin->SetAutoWidth( true );
+        mpFloatWin->SetPopupModeEndHdl( LINK( this, ListBox, ImplPopupModeEndHdl ) );
+        mpFloatWin->GetDropTarget()->addDropTargetListener(xDrop);
+
+        mpImplWin = VclPtr<ImplWin>::Create( this, (nStyle & (WB_LEFT|WB_RIGHT|WB_CENTER))|WB_NOBORDER );
+        mpImplWin->SetMBDownHdl( LINK( this, ListBox, ImplClickBtnHdl ) );
+        mpImplWin->Show();
+        mpImplWin->GetDropTarget()->addDropTargetListener(xDrop);
+        mpImplWin->SetEdgeBlending(false);
+
+        mpBtn = VclPtr<ImplBtn>::Create( this, WB_NOLIGHTBORDER | WB_RECTSTYLE );
+        ImplInitDropDownButton( mpBtn );
+        mpBtn->SetMBDownHdl( LINK( this, ListBox, ImplClickBtnHdl ) );
+        mpBtn->Show();
+        mpBtn->GetDropTarget()->addDropTargetListener(xDrop);
+    }
+
+    vcl::Window* pLBParent = this;
+    if ( mpFloatWin )
+        pLBParent = mpFloatWin;
+    mpImplLB = VclPtr<ImplListBox>::Create( pLBParent, nStyle&(~WB_BORDER) );
+    mpImplLB->SetSelectHdl( LINK( this, ListBox, ImplSelectHdl ) );
+    mpImplLB->SetScrollHdl( LINK( this, ListBox, ImplScrollHdl ) );
+    mpImplLB->SetCancelHdl( LINK( this, ListBox, ImplCancelHdl ) );
+    mpImplLB->SetDoubleClickHdl( LINK( this, ListBox, ImplDoubleClickHdl ) );
+    mpImplLB->SetFocusHdl( LINK( this, ListBox, ImplFocusHdl ) );
+    mpImplLB->SetListItemSelectHdl( LINK( this, ListBox, ImplListItemSelectHdl ) );
+    mpImplLB->SetPosPixel( Point() );
+    mpImplLB->SetEdgeBlending(false);
+    mpImplLB->Show();
+
+    mpImplLB->GetDropTarget()->addDropTargetListener(xDrop);
+
+    if ( mpFloatWin )
+    {
+        mpFloatWin->SetImplListBox( mpImplLB );
+        mpImplLB->SetSelectionChangedHdl( LINK( this, ListBox, ImplSelectionChangedHdl ) );
+    }
+    else
+        mpImplLB->GetMainWindow()->AllowGrabFocus( true );
+
+    SetCompoundControl( true );
+}
+
+WinBits ListBox::ImplInitStyle( WinBits nStyle )
+{
+    if ( !(nStyle & WB_NOTABSTOP) )
+        nStyle |= WB_TABSTOP;
+    if ( !(nStyle & WB_NOGROUP) )
+        nStyle |= WB_GROUP;
+    return nStyle;
+}
+
+IMPL_LINK_NOARG(ListBox, ImplSelectHdl, LinkParamNone*, void)
+{
+    bool bPopup = IsInDropDown();
+    if( IsDropDownBox() )
+    {
+        if( !mpImplLB->IsTravelSelect() )
+        {
+            mpFloatWin->EndPopupMode();
+            mpImplWin->GrabFocus();
+        }
+
+        mpImplWin->SetItemPos( GetSelectedEntryPos() );
+        mpImplWin->SetString( GetSelectedEntry() );
+        if( mpImplLB->GetEntryList().HasImages() )
+        {
+            Image aImage = mpImplLB->GetEntryList().GetEntryImage( GetSelectedEntryPos() );
+            mpImplWin->SetImage( aImage );
+        }
+        mpImplWin->Invalidate();
+    }
+
+    if ( ( !IsTravelSelect() || mpImplLB->IsSelectionChanged() ) || ( bPopup && !IsMultiSelectionEnabled() ) )
+        Select();
+}
+
+IMPL_LINK( ListBox, ImplFocusHdl, sal_Int32, nPos, void )
+{
+    CallEventListeners( VclEventId::ListboxFocus, reinterpret_cast<void*>(nPos) );
+}
+
+IMPL_LINK_NOARG( ListBox, ImplListItemSelectHdl, LinkParamNone*, void )
+{
+    CallEventListeners( VclEventId::DropdownSelect );
+}
+
+IMPL_LINK_NOARG(ListBox, ImplScrollHdl, ImplListBox*, void)
+{
+    CallEventListeners( VclEventId::ListboxScrolled );
+}
+
+IMPL_LINK_NOARG(ListBox, ImplCancelHdl, LinkParamNone*, void)
+{
+    if( IsInDropDown() )
+        mpFloatWin->EndPopupMode();
+}
+
+IMPL_LINK( ListBox, ImplSelectionChangedHdl, sal_Int32, nChanged, void )
+{
+    if ( mpImplLB->IsTrackingSelect() )
+        return;
+
+    const ImplEntryList& rEntryList = mpImplLB->GetEntryList();
+    if ( rEntryList.IsEntryPosSelected( nChanged ) )
+    {
+        // FIXME? This should've been turned into an ImplPaintEntry some time ago...
+        if ( nChanged < rEntryList.GetMRUCount() )
+            nChanged = rEntryList.FindEntry( rEntryList.GetEntryText( nChanged ) );
+        mpImplWin->SetItemPos( nChanged );
+        mpImplWin->SetString( rEntryList.GetEntryText( nChanged ) );
+        if( rEntryList.HasImages() )
+        {
+            Image aImage = rEntryList.GetEntryImage( nChanged );
+            mpImplWin->SetImage( aImage );
+        }
+    }
+    else
+    {
+        mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
+        mpImplWin->SetString( OUString() );
+        Image aImage;
+        mpImplWin->SetImage( aImage );
+    }
+    mpImplWin->Invalidate();
+}
+
+IMPL_LINK_NOARG(ListBox, ImplDoubleClickHdl, ImplListBoxWindow*, void)
+{
+    DoubleClick();
+}
+
+IMPL_LINK_NOARG(ListBox, ImplClickBtnHdl, void*, void)
+{
+    if( mpFloatWin->IsInPopupMode() )
+        return;
+
+    CallEventListeners( VclEventId::DropdownPreOpen );
+    mpImplWin->GrabFocus();
+    mpBtn->SetPressed( true );
+    mpFloatWin->StartFloat( true );
+    CallEventListeners( VclEventId::DropdownOpen );
+
+    ImplClearLayoutData();
+    if( mpImplLB )
+        mpImplLB->GetMainWindow()->ImplClearLayoutData();
+    if( mpImplWin )
+        mpImplWin->ImplClearLayoutData();
+}
+
+IMPL_LINK_NOARG(ListBox, ImplPopupModeEndHdl, FloatingWindow*, void)
+{
+    if( mpFloatWin->IsPopupModeCanceled() )
+    {
+        if ( ( mpFloatWin->GetPopupModeStartSaveSelection() != LISTBOX_ENTRY_NOTFOUND )
+                && !IsEntryPosSelected( mpFloatWin->GetPopupModeStartSaveSelection() ) )
+        {
+            mpImplLB->SelectEntry( mpFloatWin->GetPopupModeStartSaveSelection(), true );
+            bool bTravelSelect = mpImplLB->IsTravelSelect();
+            mpImplLB->SetTravelSelect( true );
+
+            VclPtr<vcl::Window> xWindow = this;
+            Select();
+            if ( xWindow->isDisposed() )
+                return;
+
+            mpImplLB->SetTravelSelect( bTravelSelect );
+        }
+    }
+
+    ImplClearLayoutData();
+    if( mpImplLB )
+        mpImplLB->GetMainWindow()->ImplClearLayoutData();
+    if( mpImplWin )
+        mpImplWin->ImplClearLayoutData();
+
+    mpBtn->SetPressed( false );
+    CallEventListeners( VclEventId::DropdownClose );
+}
+
+void ListBox::ToggleDropDown()
+{
+    if( !IsDropDownBox() )
+        return;
+
+    if( mpFloatWin->IsInPopupMode() )
+        mpFloatWin->EndPopupMode();
+    else
+    {
+        CallEventListeners( VclEventId::DropdownPreOpen );
+        mpImplWin->GrabFocus();
+        mpBtn->SetPressed( true );
+        mpFloatWin->StartFloat( true );
+        CallEventListeners( VclEventId::DropdownOpen );
+    }
+}
+
+void ListBox::ApplySettings(vcl::RenderContext& rRenderContext)
+{
+    rRenderContext.SetBackground();
+}
+
+void ListBox::Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags nFlags )
+{
+    mpImplLB->GetMainWindow()->ApplySettings(*pDev);
+
+    Point aPos = pDev->LogicToPixel( rPos );
+    Size aSize = GetSizePixel();
+    vcl::Font aFont = mpImplLB->GetMainWindow()->GetDrawPixelFont( pDev );
+
+    pDev->Push();
+    pDev->SetMapMode();
+    pDev->SetFont( aFont );
+    pDev->SetTextFillColor();
+
+    // Border/Background
+    pDev->SetLineColor();
+    pDev->SetFillColor();
+    bool bBorder = (GetStyle() & WB_BORDER);
+    bool bBackground = IsControlBackground();
+    if ( bBorder || bBackground )
+    {
+        tools::Rectangle aRect( aPos, aSize );
+        if ( bBorder )
+        {
+            ImplDrawFrame( pDev, aRect );
+        }
+        if ( bBackground )
+        {
+            pDev->SetFillColor( GetControlBackground() );
+            pDev->DrawRect( aRect );
+        }
+    }
+
+    // Content
+    if ( nFlags & SystemTextColorFlags::Mono )
+    {
+        pDev->SetTextColor( COL_BLACK );
+    }
+    else
+    {
+        if ( !IsEnabled() )
+        {
+            const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
+            pDev->SetTextColor( rStyleSettings.GetDisableColor() );
+        }
+        else
+        {
+            pDev->SetTextColor( GetTextColor() );
+        }
+    }
+
+    const tools::Long nOnePixel = GetDrawPixel( pDev, 1 );
+    const tools::Long nOffX = 3*nOnePixel;
+    DrawTextFlags nTextStyle = DrawTextFlags::VCenter;
+    tools::Rectangle aTextRect( aPos, aSize );
+
+    if ( GetStyle() & WB_CENTER )
+        nTextStyle |= DrawTextFlags::Center;
+    else if ( GetStyle() & WB_RIGHT )
+        nTextStyle |= DrawTextFlags::Right;
+    else
+        nTextStyle |= DrawTextFlags::Left;
+
+    aTextRect.AdjustLeft(nOffX );
+    aTextRect.AdjustRight( -nOffX );
+
+    if ( IsDropDownBox() )
+    {
+        OUString   aText = GetSelectedEntry();
+        tools::Long       nTextHeight = pDev->GetTextHeight();
+        tools::Long       nTextWidth = pDev->GetTextWidth( aText );
+        tools::Long       nOffY = (aSize.Height()-nTextHeight) / 2;
+
+        // Clipping?
+        if ( (nOffY < 0) ||
+             ((nOffY+nTextHeight) > aSize.Height()) ||
+             ((nOffX+nTextWidth) > aSize.Width()) )
+        {
+            tools::Rectangle aClip( aPos, aSize );
+            if ( nTextHeight > aSize.Height() )
+                aClip.AdjustBottom(nTextHeight-aSize.Height()+1 );  // So that HP Printers don't optimize this away
+            pDev->IntersectClipRegion( aClip );
+        }
+
+        pDev->DrawText( aTextRect, aText, nTextStyle );
+    }
+    else
+    {
+        tools::Long        nTextHeight = pDev->GetTextHeight();
+        sal_uInt16  nLines = ( nTextHeight > 0 ) ? static_cast<sal_uInt16>(aSize.Height() / nTextHeight) : 1;
+        tools::Rectangle   aClip( aPos, aSize );
+
+        pDev->IntersectClipRegion( aClip );
+
+        if ( !nLines )
+            nLines = 1;
+
+        for ( sal_uInt16 n = 0; n < nLines; n++ )
+        {
+            sal_Int32 nEntry = n+mpImplLB->GetTopEntry();
+            bool bSelected = mpImplLB->GetEntryList().IsEntryPosSelected( nEntry );
+            if ( bSelected )
+            {
+                pDev->SetFillColor( COL_BLACK );
+                pDev->DrawRect( tools::Rectangle(  Point( aPos.X(), aPos.Y() + n*nTextHeight ),
+                                            Point( aPos.X() + aSize.Width(), aPos.Y() + (n+1)*nTextHeight + 2*nOnePixel ) ) );
+                pDev->SetFillColor();
+                pDev->SetTextColor( COL_WHITE );
+            }
+
+            aTextRect.SetTop( aPos.Y() + n*nTextHeight );
+            aTextRect.SetBottom( aTextRect.Top() + nTextHeight );
+
+            pDev->DrawText( aTextRect, mpImplLB->GetEntryList().GetEntryText( nEntry ), nTextStyle );
+
+            if ( bSelected )
+                pDev->SetTextColor( COL_BLACK );
+        }
+    }
+
+    pDev->Pop();
+}
+
+void ListBox::GetFocus()
+{
+    if ( mpImplLB )
+    {
+        if( IsDropDownBox() )
+            mpImplWin->GrabFocus();
+        else
+            mpImplLB->GrabFocus();
+    }
+
+    Control::GetFocus();
+}
+
+void ListBox::LoseFocus()
+{
+    if( IsDropDownBox() )
+    {
+        if (mpImplWin)
+            mpImplWin->HideFocus();
+    }
+    else
+    {
+        if (mpImplLB)
+            mpImplLB->HideFocus();
+    }
+
+    Control::LoseFocus();
+}
+
+void ListBox::DataChanged( const DataChangedEvent& rDCEvt )
+{
+    Control::DataChanged( rDCEvt );
+
+    if ( !((rDCEvt.GetType() == DataChangedEventType::FONTS) ||
+         (rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
+         ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
+          (rDCEvt.GetFlags() & AllSettingsFlags::STYLE))) )
+        return;
+
+    SetBackground();    // Due to a hack in Window::UpdateSettings the background must be reset
+                        // otherwise it will overpaint NWF drawn listboxes
+    Resize();
+    mpImplLB->Resize(); // Is not called by ListBox::Resize() if the ImplLB does not change
+
+    if ( mpImplWin )
+    {
+        mpImplWin->GetOutDev()->SetSettings( GetSettings() ); // If not yet set...
+        mpImplWin->ApplySettings(*mpImplWin->GetOutDev());
+
+        mpBtn->GetOutDev()->SetSettings( GetSettings() );
+        ImplInitDropDownButton( mpBtn );
+    }
+
+    if ( IsDropDownBox() )
+        Invalidate();
+}
+
+void ListBox::EnableAutoSize( bool bAuto )
+{
+    mbDDAutoSize = bAuto;
+    if ( mpFloatWin )
+    {
+        if ( bAuto && !mpFloatWin->GetDropDownLineCount() )
+        {
+            // use GetListBoxMaximumLineCount here; before, was on fixed number of five
+            AdaptDropDownLineCountToMaximum();
+        }
+        else if ( !bAuto )
+        {
+            mpFloatWin->SetDropDownLineCount( 0 );
+        }
+    }
+}
+
+void ListBox::SetDropDownLineCount( sal_uInt16 nLines )
+{
+    mnLineCount = nLines;
+    if ( mpFloatWin )
+        mpFloatWin->SetDropDownLineCount( mnLineCount );
+}
+
+void ListBox::AdaptDropDownLineCountToMaximum()
+{
+    // Adapt to maximum allowed number.
+    // Limit for LOK as we can't render outside of the dialog canvas.
+    if (comphelper::LibreOfficeKit::isActive())
+        SetDropDownLineCount(11);
+    else
+        SetDropDownLineCount(GetSettings().GetStyleSettings().GetListBoxMaximumLineCount());
+}
+
+sal_uInt16 ListBox::GetDropDownLineCount() const
+{
+    if ( mpFloatWin )
+        return mpFloatWin->GetDropDownLineCount();
+    return mnLineCount;
+}
+
+void ListBox::setPosSizePixel( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, PosSizeFlags nFlags )
+{
+    if( IsDropDownBox() && ( nFlags & PosSizeFlags::Size ) )
+    {
+        Size aPrefSz = mpFloatWin->GetPrefSize();
+        if ( ( nFlags & PosSizeFlags::Height ) && ( nHeight >= 2*mnDDHeight ) )
+            aPrefSz.setHeight( nHeight-mnDDHeight );
+        if ( nFlags & PosSizeFlags::Width )
+            aPrefSz.setWidth( nWidth );
+        mpFloatWin->SetPrefSize( aPrefSz );
+
+        if (IsAutoSizeEnabled())
+            nHeight = mnDDHeight;
+    }
+
+    Control::setPosSizePixel( nX, nY, nWidth, nHeight, nFlags );
+}
+
+void ListBox::Resize()
+{
+    Size aOutSz = GetOutputSizePixel();
+    if( IsDropDownBox() )
+    {
+        // Initialize the dropdown button size with the standard scrollbar width
+        tools::Long nSBWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
+        tools::Long nBottom = aOutSz.Height();
+
+        // Note: in case of no border, pBorder will actually be this
+        vcl::Window *pBorder = GetWindow( GetWindowType::Border );
+        ImplControlValue aControlValue;
+        Point aPoint;
+        tools::Rectangle aContent, aBound;
+
+        // Use the full extent of the control
+        tools::Rectangle aArea( aPoint, pBorder->GetOutputSizePixel() );
+
+        if ( GetNativeControlRegion( ControlType::Listbox, ControlPart::ButtonDown,
+                    aArea, ControlState::NONE, aControlValue, aBound, aContent) )
+        {
+            // Convert back from border space to local coordinates
+            aPoint = pBorder->ScreenToOutputPixel( OutputToScreenPixel( aPoint ) );
+            aContent.Move( -aPoint.X(), -aPoint.Y() );
+
+            // Use the themes drop down size for the button
+            aOutSz.setWidth( aContent.Left() );
+            mpBtn->setPosSizePixel( aContent.Left(), 0, aContent.GetWidth(), nBottom );
+
+            // Adjust the size of the edit field
+            if ( GetNativeControlRegion( ControlType::Listbox, ControlPart::SubEdit,
+                        aArea, ControlState::NONE, aControlValue, aBound, aContent) )
+            {
+                // Convert back from border space to local coordinates
+                aContent.Move( -aPoint.X(), -aPoint.Y() );
+
+                // Use the themes drop down size
+                if( ! (GetStyle() & WB_BORDER) && ImplGetSVData()->maNWFData.mbNoFocusRects )
+                {
+                    // No border but focus ring behavior -> we have a problem; the
+                    // native rect relies on the border to draw the focus
+                    // let's do the best we can and center vertically, so it doesn't look
+                    // completely wrong.
+                    Size aSz( GetOutputSizePixel() );
+                    tools::Long nDiff = aContent.Top() - (aSz.Height() - aContent.GetHeight())/2;
+                    aContent.AdjustTop( -nDiff );
+                    aContent.AdjustBottom( -nDiff );
+                }
+                mpImplWin->SetPosSizePixel( aContent.TopLeft(), aContent.GetSize() );
+            }
+            else
+                mpImplWin->SetSizePixel( aOutSz );
+        }
+        else
+        {
+            nSBWidth = CalcZoom( nSBWidth );
+            mpImplWin->setPosSizePixel( 0, 0, aOutSz.Width() - nSBWidth, aOutSz.Height() );
+            mpBtn->setPosSizePixel( aOutSz.Width() - nSBWidth, 0, nSBWidth, aOutSz.Height() );
+        }
+    }
+    else
+    {
+        mpImplLB->SetSizePixel( aOutSz );
+    }
+
+    // Retain FloatingWindow size even when it's invisible, as we still process KEY_PGUP/DOWN ...
+    if ( mpFloatWin )
+        mpFloatWin->SetSizePixel( mpFloatWin->CalcFloatSize() );
+
+    Control::Resize();
+}
+
+void ListBox::FillLayoutData() const
+{
+    mxLayoutData.emplace();
+    const ImplListBoxWindow* rMainWin = mpImplLB->GetMainWindow();
+    if( mpFloatWin )
+    {
+        // Dropdown mode
+        AppendLayoutData( *mpImplWin );
+        mpImplWin->SetLayoutDataParent( this );
+        if( mpFloatWin->IsReallyVisible() )
+        {
+            AppendLayoutData( *rMainWin );
+            rMainWin->SetLayoutDataParent( this );
+        }
+    }
+    else
+    {
+        AppendLayoutData( *rMainWin );
+        rMainWin->SetLayoutDataParent( this );
+    }
+}
+
+tools::Long ListBox::GetIndexForPoint( const Point& rPoint, sal_Int32& rPos ) const
+{
+    if( !HasLayoutData() )
+        FillLayoutData();
+
+    // Check whether rPoint fits at all
+    tools::Long nIndex = Control::GetIndexForPoint( rPoint );
+    if( nIndex != -1 )
+    {
+        // Point must be either in main list window
+        // or in impl window (dropdown case)
+        ImplListBoxWindow* rMain = mpImplLB->GetMainWindow();
+
+        // Convert coordinates to ImplListBoxWindow pixel coordinate space
+        Point aConvPoint = LogicToPixel( rPoint );
+        aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
+        aConvPoint = rMain->AbsoluteScreenToOutputPixel( aConvPoint );
+        aConvPoint = rMain->PixelToLogic( aConvPoint );
+
+        // Try to find entry
+        sal_Int32 nEntry = rMain->GetEntryPosForPoint( aConvPoint );
+        if( nEntry == LISTBOX_ENTRY_NOTFOUND )
+        {
+            // Not found, maybe dropdown case
+            if( mpImplWin && mpImplWin->IsReallyVisible() )
+            {
+                // Convert to impl window pixel coordinates
+                aConvPoint = LogicToPixel( rPoint );
+                aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
+                aConvPoint = mpImplWin->AbsoluteScreenToOutputPixel( aConvPoint );
+
+                // Check whether converted point is inside impl window
+                Size aImplWinSize = mpImplWin->GetOutputSizePixel();
+                if( aConvPoint.X() >= 0 && aConvPoint.Y() >= 0 && aConvPoint.X() < aImplWinSize.Width() && aConvPoint.Y() < aImplWinSize.Height() )
+                {
+                    // Inside the impl window, the position is the current item pos
+                    rPos = mpImplWin->GetItemPos();
+                }
+                else
+                    nIndex = -1;
+            }
+            else
+                nIndex = -1;
+        }
+        else
+            rPos = nEntry;
+
+        SAL_WARN_IF( nIndex == -1, "vcl", "found index for point, but relative index failed" );
+    }
+
+    // Get line relative index
+    if( nIndex != -1 )
+        nIndex = ToRelativeLineIndex( nIndex );
+
+    return nIndex;
+}
+
+void ListBox::StateChanged( StateChangedType nType )
+{
+    if( nType == StateChangedType::ReadOnly )
+    {
+        if( mpImplWin )
+            mpImplWin->Enable( !IsReadOnly() );
+        if( mpBtn )
+            mpBtn->Enable( !IsReadOnly() );
+    }
+    else if( nType == StateChangedType::Enable )
+    {
+        mpImplLB->Enable( IsEnabled() );
+        if( mpImplWin )
+        {
+            mpImplWin->Enable( IsEnabled() );
+            if ( IsNativeControlSupported(ControlType::Listbox, ControlPart::Entire)
+                    && ! IsNativeControlSupported(ControlType::Listbox, ControlPart::ButtonDown) )
+            {
+                GetWindow( GetWindowType::Border )->Invalidate( InvalidateFlags::NoErase );
+            }
+            else
+                mpImplWin->Invalidate();
+        }
+        if( mpBtn )
+            mpBtn->Enable( IsEnabled() );
+    }
+    else if( nType == StateChangedType::UpdateMode )
+    {
+        mpImplLB->SetUpdateMode( IsUpdateMode() );
+    }
+    else if ( nType == StateChangedType::Zoom )
+    {
+        mpImplLB->SetZoom( GetZoom() );
+        if ( mpImplWin )
+        {
+            mpImplWin->SetZoom( GetZoom() );
+            mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
+            mpImplWin->Invalidate();
+        }
+        Resize();
+    }
+    else if ( nType == StateChangedType::ControlFont )
+    {
+        mpImplLB->SetControlFont( GetControlFont() );
+        if ( mpImplWin )
+        {
+            mpImplWin->SetControlFont( GetControlFont() );
+            mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
+            mpImplWin->Invalidate();
+        }
+        Resize();
+    }
+    else if ( nType == StateChangedType::ControlForeground )
+    {
+        mpImplLB->SetControlForeground( GetControlForeground() );
+        if ( mpImplWin )
+        {
+            mpImplWin->SetControlForeground( GetControlForeground() );
+            mpImplWin->SetTextColor( GetControlForeground() );
+            mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
+            mpImplWin->Invalidate();
+        }
+    }
+    else if ( nType == StateChangedType::ControlBackground )
+    {
+        mpImplLB->SetControlBackground( GetControlBackground() );
+        if ( mpImplWin )
+        {
+            if ( mpImplWin->IsNativeControlSupported(ControlType::Listbox, ControlPart::Entire) )
+            {
+                // Transparent background
+                mpImplWin->SetBackground();
+                mpImplWin->SetControlBackground();
+            }
+            else
+            {
+                mpImplWin->SetBackground( mpImplLB->GetMainWindow()->GetControlBackground() );
+                mpImplWin->SetControlBackground( mpImplLB->GetMainWindow()->GetControlBackground() );
+            }
+            mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
+            mpImplWin->Invalidate();
+        }
+    }
+    else if ( nType == StateChangedType::Style )
+    {
+        SetStyle( ImplInitStyle( GetStyle() ) );
+        mpImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) != 0 );
+        bool bSimpleMode = ( GetStyle() & WB_SIMPLEMODE ) != 0;
+        mpImplLB->SetMultiSelectionSimpleMode( bSimpleMode );
+    }
+    else if( nType == StateChangedType::Mirroring )
+    {
+        if( mpBtn )
+        {
+            mpBtn->EnableRTL( IsRTLEnabled() );
+            ImplInitDropDownButton( mpBtn );
+        }
+        mpImplLB->EnableRTL( IsRTLEnabled() );
+        if( mpImplWin )
+            mpImplWin->EnableRTL( IsRTLEnabled() );
+        Resize();
+    }
+
+    Control::StateChanged( nType );
+}
+
+bool ListBox::PreNotify( NotifyEvent& rNEvt )
+{
+    bool bDone = false;
+    if ( mpImplLB )
+    {
+        if( ( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT ) && ( rNEvt.GetWindow() == mpImplWin ) )
+        {
+            KeyEvent aKeyEvt = *rNEvt.GetKeyEvent();
+            switch( aKeyEvt.GetKeyCode().GetCode() )
+            {
+                case KEY_DOWN:
+                {
+                    if( mpFloatWin && !mpFloatWin->IsInPopupMode() &&
+                        aKeyEvt.GetKeyCode().IsMod2() )
+                    {
+                        CallEventListeners( VclEventId::DropdownPreOpen );
+                        mpBtn->SetPressed( true );
+                        mpFloatWin->StartFloat( false );
+                        CallEventListeners( VclEventId::DropdownOpen );
+                        bDone = true;
+                    }
+                    else
+                    {
+                        bDone = mpImplLB->ProcessKeyInput( aKeyEvt );
+                    }
+                }
+                break;
+                case KEY_UP:
+                {
+                    if( mpFloatWin && mpFloatWin->IsInPopupMode() &&
+                        aKeyEvt.GetKeyCode().IsMod2() )
+                    {
+                        mpFloatWin->EndPopupMode();
+                        bDone = true;
+                    }
+                    else
+                    {
+                        bDone = mpImplLB->ProcessKeyInput( aKeyEvt );
+                    }
+                }
+                break;
+                case KEY_RETURN:
+                {
+                    if( IsInDropDown() )
+                    {
+                        mpImplLB->ProcessKeyInput( aKeyEvt );
+                        bDone = true;
+                    }
+                }
+                break;
+
+                default:
+                {
+                    bDone = mpImplLB->ProcessKeyInput( aKeyEvt );
+                }
+            }
+        }
+        else if ( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS )
+        {
+            if ( IsInDropDown() && !HasChildPathFocus( true ) )
+                mpFloatWin->EndPopupMode();
+        }
+        else if ( (rNEvt.GetType() == MouseNotifyEvent::COMMAND) &&
+                  (rNEvt.GetCommandEvent()->GetCommand() == CommandEventId::Wheel) &&
+                  (rNEvt.GetWindow() == mpImplWin) )
+        {
+            MouseWheelBehaviour nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() );
+            if  (   ( nWheelBehavior == MouseWheelBehaviour::ALWAYS )
+                ||  (   ( nWheelBehavior == MouseWheelBehaviour::FocusOnly )
+                    &&  HasChildPathFocus()
+                    )
+                )
+            {
+                bDone = mpImplLB->HandleWheelAsCursorTravel(*rNEvt.GetCommandEvent(), *this);
+            }
+            else
+            {
+                bDone = false;  // Don't consume this event, let the default handling take it (i.e. scroll the context)
+            }
+        }
+    }
+
+    return bDone || Control::PreNotify( rNEvt );
+}
+
+void ListBox::Select()
+{
+    ImplCallEventListenersAndHandler( VclEventId::ListboxSelect, [this] () { maSelectHdl.Call(*this); } );
+}
+
+void ListBox::DoubleClick()
+{
+    ImplCallEventListenersAndHandler( VclEventId::ListboxDoubleClick, {} );
+}
+
+void ListBox::Clear()
+{
+    if (!mpImplLB)
+        return;
+    mpImplLB->Clear();
+    if( IsDropDownBox() )
+    {
+        mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
+        mpImplWin->SetString( OUString() );
+        Image aImage;
+        mpImplWin->SetImage( aImage );
+        mpImplWin->Invalidate();
+    }
+    CallEventListeners( VclEventId::ListboxItemRemoved, reinterpret_cast<void*>(-1) );
+}
+
+void ListBox::SetNoSelection()
+{
+    mpImplLB->SetNoSelection();
+    if( IsDropDownBox() )
+    {
+        mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
+        mpImplWin->SetString( OUString() );
+        Image aImage;
+        mpImplWin->SetImage( aImage );
+        mpImplWin->Invalidate();
+    }
+}
+
+sal_Int32 ListBox::InsertEntry( const OUString& rStr, sal_Int32 nPos )
+{
+    sal_Int32 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList().GetMRUCount(), rStr );
+    nRealPos = sal::static_int_cast<sal_Int32>(nRealPos - mpImplLB->GetEntryList().GetMRUCount());
+    CallEventListeners( VclEventId::ListboxItemAdded, reinterpret_cast<void*>(nRealPos) );
+    return nRealPos;
+}
+
+sal_Int32 ListBox::InsertEntry( const OUString& rStr, const Image& rImage, sal_Int32 nPos )
+{
+    sal_Int32 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList().GetMRUCount(), rStr, rImage );
+    nRealPos = sal::static_int_cast<sal_Int32>(nRealPos - mpImplLB->GetEntryList().GetMRUCount());
+    CallEventListeners( VclEventId::ListboxItemAdded, reinterpret_cast<void*>(nRealPos) );
+    return nRealPos;
+}
+
+void ListBox::RemoveEntry( sal_Int32 nPos )
+{
+    mpImplLB->RemoveEntry( nPos + mpImplLB->GetEntryList().GetMRUCount() );
+    CallEventListeners( VclEventId::ListboxItemRemoved, reinterpret_cast<void*>(nPos) );
+}
+
+Image ListBox::GetEntryImage( sal_Int32 nPos ) const
+{
+    if ( mpImplLB && mpImplLB->GetEntryList().HasEntryImage( nPos ) )
+        return mpImplLB->GetEntryList().GetEntryImage( nPos );
+    return Image();
+}
+
+sal_Int32 ListBox::GetEntryPos( std::u16string_view rStr ) const
+{
+    if (!mpImplLB)
+        return LISTBOX_ENTRY_NOTFOUND;
+    sal_Int32 nPos = mpImplLB->GetEntryList().FindEntry( rStr );
+    if ( nPos != LISTBOX_ENTRY_NOTFOUND )
+        nPos = nPos - mpImplLB->GetEntryList().GetMRUCount();
+    return nPos;
+}
+
+OUString ListBox::GetEntry( sal_Int32 nPos ) const
+{
+    if (!mpImplLB)
+        return OUString();
+    return mpImplLB->GetEntryList().GetEntryText( nPos + mpImplLB->GetEntryList().GetMRUCount() );
+}
+
+sal_Int32 ListBox::GetEntryCount() const
+{
+    if (!mpImplLB)
+        return 0;
+    return mpImplLB->GetEntryList().GetEntryCount() - mpImplLB->GetEntryList().GetMRUCount();
+}
+
+OUString ListBox::GetSelectedEntry(sal_Int32 nIndex) const
+{
+    return GetEntry( GetSelectedEntryPos( nIndex ) );
+}
+
+sal_Int32 ListBox::GetSelectedEntryCount() const
+{
+    if (!mpImplLB)
+        return 0;
+    return mpImplLB->GetEntryList().GetSelectedEntryCount();
+}
+
+sal_Int32 ListBox::GetSelectedEntryPos( sal_Int32 nIndex ) const
+{
+    if (!mpImplLB)
+        return LISTBOX_ENTRY_NOTFOUND;
+
+    sal_Int32 nPos = mpImplLB->GetEntryList().GetSelectedEntryPos( nIndex );
+    if ( nPos != LISTBOX_ENTRY_NOTFOUND )
+    {
+        if ( nPos < mpImplLB->GetEntryList().GetMRUCount() )
+            nPos = mpImplLB->GetEntryList().FindEntry( mpImplLB->GetEntryList().GetEntryText( nPos ) );
+        nPos = nPos - mpImplLB->GetEntryList().GetMRUCount();
+    }
+    return nPos;
+}
+
+bool ListBox::IsEntryPosSelected( sal_Int32 nPos ) const
+{
+    return mpImplLB->GetEntryList().IsEntryPosSelected( nPos + mpImplLB->GetEntryList().GetMRUCount() );
+}
+
+void ListBox::SelectEntry( std::u16string_view rStr, bool bSelect )
+{
+    SelectEntryPos( GetEntryPos( rStr ), bSelect );
+}
+
+void ListBox::SelectEntryPos( sal_Int32 nPos, bool bSelect )
+{
+    if (!mpImplLB)
+        return;
+
+    if ( 0 <= nPos && nPos < mpImplLB->GetEntryList().GetEntryCount() )
+    {
+        sal_Int32 nCurrentPos = mpImplLB->GetCurrentPos();
+        mpImplLB->SelectEntry( nPos + mpImplLB->GetEntryList().GetMRUCount(), bSelect );
+        //Only when bSelect == true, send both Selection & Focus events
+        if (nCurrentPos != nPos && bSelect)
+        {
+            CallEventListeners( VclEventId::ListboxSelect, reinterpret_cast<void*>(nPos));
+            if (HasFocus())
+                CallEventListeners( VclEventId::ListboxFocus, reinterpret_cast<void*>(nPos));
+        }
+    }
+}
+
+void ListBox::SelectEntriesPos( const std::vector<sal_Int32>& rPositions, bool bSelect )
+{
+    if (!mpImplLB)
+        return;
+
+    bool bCallListeners = false;
+
+    const sal_Int32 nCurrentPos = mpImplLB->GetCurrentPos();
+    const auto nEntryCount = mpImplLB->GetEntryList().GetEntryCount();
+    const auto nMRUCount = mpImplLB->GetEntryList().GetMRUCount();
+
+    for (auto nPos : rPositions)
+    {
+        if (0 <= nPos && nPos < nEntryCount)
+        {
+            mpImplLB->SelectEntry(nPos + nMRUCount, bSelect);
+            if (nCurrentPos != nPos && bSelect)
+                bCallListeners = true;
+        }
+    }
+
+    //Only when bSelect == true, send both Selection & Focus events
+    if (bCallListeners)
+    {
+        CallEventListeners(VclEventId::ListboxSelect);
+        if (HasFocus())
+            CallEventListeners(VclEventId::ListboxFocus);
+    }
+}
+
+void ListBox::SetEntryData( sal_Int32 nPos, void* pNewData )
+{
+    mpImplLB->SetEntryData( nPos + mpImplLB->GetEntryList().GetMRUCount(), pNewData );
+}
+
+void* ListBox::GetEntryData( sal_Int32 nPos ) const
+{
+    return mpImplLB->GetEntryList().GetEntryData( nPos + mpImplLB->GetEntryList().GetMRUCount() );
+}
+
+void ListBox::SetEntryFlags( sal_Int32 nPos, ListBoxEntryFlags nFlags )
+{
+    mpImplLB->SetEntryFlags( nPos + mpImplLB->GetEntryList().GetMRUCount(), nFlags );
+}
+
+void ListBox::SetTopEntry( sal_Int32 nPos )
+{
+    mpImplLB->SetTopEntry( nPos + mpImplLB->GetEntryList().GetMRUCount() );
+}
+
+sal_Int32 ListBox::GetTopEntry() const
+{
+    sal_Int32 nPos = GetEntryCount() ? mpImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND;
+    if ( nPos < mpImplLB->GetEntryList().GetMRUCount() )
+        nPos = 0;
+    return nPos;
+}
+
+bool ListBox::IsTravelSelect() const
+{
+    return mpImplLB->IsTravelSelect();
+}
+
+bool ListBox::IsInDropDown() const
+{
+    // when the dropdown is dismissed, first mbInPopupMode is set to false, and on the next event iteration then
+    // mbPopupMode is set to false
+    return mpFloatWin && mpFloatWin->IsInPopupMode() && mpFloatWin->ImplIsInPrivatePopupMode();
+}
+
+tools::Rectangle ListBox::GetBoundingRectangle( sal_Int32 nItem ) const
+{
+    tools::Rectangle aRect = mpImplLB->GetMainWindow()->GetBoundingRectangle( nItem );
+    tools::Rectangle aOffset = mpImplLB->GetMainWindow()->GetWindowExtentsRelative( static_cast<vcl::Window*>(const_cast<ListBox *>(this)) );
+    aRect.Move( aOffset.Left(), aOffset.Top() );
+    return aRect;
+}
+
+void ListBox::EnableMultiSelection( bool bMulti )
+{
+    mpImplLB->EnableMultiSelection( bMulti );
+
+    // WB_SIMPLEMODE:
+    // The MultiListBox behaves just like a normal ListBox
+    // MultiSelection is possible via corresponding additional keys
+    bool bSimpleMode = ( GetStyle() & WB_SIMPLEMODE ) != 0;
+    mpImplLB->SetMultiSelectionSimpleMode( bSimpleMode );
+
+    // In a MultiSelection, we can't see us travelling without focus
+    if ( mpFloatWin )
+        mpImplLB->GetMainWindow()->AllowGrabFocus( bMulti );
+}
+
+bool ListBox::IsMultiSelectionEnabled() const
+{
+    return mpImplLB->IsMultiSelectionEnabled();
+}
+
+Size ListBox::CalcMinimumSize() const
+{
+    Size aSz;
+
+    if (!mpImplLB)
+        return aSz;
+
+    aSz = CalcSubEditSize();
+
+    bool bAddScrollWidth = false;
+
+    if (IsDropDownBox())
+    {
+        aSz.AdjustHeight(4 ); // add a space between entry and border
+        aSz.AdjustWidth(4 );  // add a little breathing space
+        bAddScrollWidth = true;
+    }
+    else
+        bAddScrollWidth = (GetStyle() & WB_VSCROLL) == WB_VSCROLL;
+
+    if (bAddScrollWidth)
+    {
+        // Try native borders; scrollbar size may not be a good indicator
+        // See how large the edit area inside is to estimate what is needed for the dropdown
+        ImplControlValue aControlValue;
+        tools::Rectangle aContent, aBound;
+        Size aTestSize( 100, 20 );
+        tools::Rectangle aArea( Point(), aTestSize );
+        if( GetNativeControlRegion( ControlType::Listbox, ControlPart::SubEdit, aArea, ControlState::NONE,
+                    aControlValue, aBound, aContent) )
+        {
+            // use the themes drop down size
+            aSz.AdjustWidth(aTestSize.Width() - aContent.GetWidth() );
+        }
+        else
+            aSz.AdjustWidth(GetSettings().GetStyleSettings().GetScrollBarSize() );
+    }
+
+    aSz = CalcWindowSize( aSz );
+
+    if (IsDropDownBox()) // Check minimum height of dropdown box
+    {
+        ImplControlValue aControlValue;
+        tools::Rectangle aRect( Point( 0, 0 ), aSz );
+        tools::Rectangle aContent, aBound;
+        if( GetNativeControlRegion( ControlType::Listbox, ControlPart::Entire, aRect, ControlState::NONE,
+                    aControlValue, aBound, aContent) )
+        {
+            if( aBound.GetHeight() > aSz.Height() )
+                aSz.setHeight( aBound.GetHeight() );
+        }
+    }
+
+    return aSz;
+}
+
+Size ListBox::CalcSubEditSize() const
+{
+    Size aSz;
+
+    if (!mpImplLB)
+        return aSz;
+
+    if ( !IsDropDownBox() )
+        aSz = mpImplLB->CalcSize (mnLineCount ? mnLineCount : mpImplLB->GetEntryList().GetEntryCount());
+    else
+    {
+        aSz.setHeight( mpImplLB->GetEntryHeight() );
+        // Size to maximum entry width
+        aSz.setWidth( mpImplLB->GetMaxEntryWidth() );
+
+        if (m_nMaxWidthChars != -1)
+        {
+            tools::Long nMaxWidth = m_nMaxWidthChars * approximate_char_width();
+            aSz.setWidth( std::min(aSz.Width(), nMaxWidth) );
+        }
+
+        // Do not create ultrathin ListBoxes, it doesn't look good
+        if( aSz.Width() < GetSettings().GetStyleSettings().GetScrollBarSize() )
+            aSz.setWidth( GetSettings().GetStyleSettings().GetScrollBarSize() );
+    }
+
+    return aSz;
+}
+
+Size ListBox::GetOptimalSize() const
+{
+    return CalcMinimumSize();
+}
+
+Size ListBox::CalcAdjustedSize( const Size& rPrefSize ) const
+{
+    Size aSz = rPrefSize;
+    sal_Int32 nLeft, nTop, nRight, nBottom;
+    static_cast<vcl::Window*>(const_cast<ListBox *>(this))->GetBorder( nLeft, nTop, nRight, nBottom );
+    aSz.AdjustHeight( -(nTop+nBottom) );
+    if ( !IsDropDownBox() )
+    {
+        tools::Long nEntryHeight = CalcBlockSize( 1, 1 ).Height();
+        tools::Long nLines = aSz.Height() / nEntryHeight;
+        if ( nLines < 1 )
+            nLines = 1;
+        aSz.setHeight( nLines * nEntryHeight );
+    }
+    else
+    {
+        aSz.setHeight( mnDDHeight );
+    }
+    aSz.AdjustHeight(nTop+nBottom );
+
+    aSz = CalcWindowSize( aSz );
+    return aSz;
+}
+
+Size ListBox::CalcBlockSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const
+{
+    // ScrollBars are shown if needed
+    Size aMinSz = CalcMinimumSize();
+    // aMinSz = ImplCalcOutSz( aMinSz );
+
+    Size aSz;
+
+    // Height
+    if ( nLines )
+    {
+        if ( !IsDropDownBox() )
+            aSz.setHeight( mpImplLB->CalcSize( nLines ).Height() );
+        else
+            aSz.setHeight( mnDDHeight );
+    }
+    else
+        aSz.setHeight( aMinSz.Height() );
+
+    // Width
+    if ( nColumns )
+        aSz.setWidth( nColumns * GetTextWidth( OUString('X') ) );
+    else
+        aSz.setWidth( aMinSz.Width() );
+
+    if ( IsDropDownBox() )
+        aSz.AdjustWidth(GetSettings().GetStyleSettings().GetScrollBarSize() );
+
+    if ( !IsDropDownBox() )
+    {
+        if ( aSz.Width() < aMinSz.Width() )
+            aSz.AdjustHeight(GetSettings().GetStyleSettings().GetScrollBarSize() );
+        if ( aSz.Height() < aMinSz.Height() )
+            aSz.AdjustWidth(GetSettings().GetStyleSettings().GetScrollBarSize() );
+    }
+
+    aSz = CalcWindowSize( aSz );
+    return aSz;
+}
+
+void ListBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const
+{
+    float nCharWidth = approximate_char_width();
+    if ( !IsDropDownBox() )
+    {
+        Size aOutSz = mpImplLB->GetMainWindow()->GetOutputSizePixel();
+        rnCols = static_cast<sal_uInt16>(aOutSz.Width()/nCharWidth);
+        rnLines = static_cast<sal_uInt16>(aOutSz.Height()/mpImplLB->GetEntryHeightWithMargin());
+    }
+    else
+    {
+        Size aOutSz = mpImplWin->GetOutputSizePixel();
+        rnCols = static_cast<sal_uInt16>(aOutSz.Width()/nCharWidth);
+        rnLines = 1;
+    }
+}
+
+void ListBox::SetReadOnly( bool bReadOnly )
+{
+    if ( mpImplLB->IsReadOnly() != bReadOnly )
+    {
+        mpImplLB->SetReadOnly( bReadOnly );
+        CompatStateChanged( StateChangedType::ReadOnly );
+    }
+}
+
+bool ListBox::IsReadOnly() const
+{
+    return mpImplLB->IsReadOnly();
+}
+
+void ListBox::SetSeparatorPos( sal_Int32 n )
+{
+    mpImplLB->SetSeparatorPos( n );
+}
+
+sal_Int32 ListBox::GetSeparatorPos() const
+{
+    return mpImplLB->GetSeparatorPos();
+}
+
+void ListBox::AddSeparator( sal_Int32 n )
+{
+    mpImplLB->AddSeparator( n );
+}
+
+sal_uInt16 ListBox::GetDisplayLineCount() const
+{
+    return mpImplLB->GetDisplayLineCount();
+}
+
+tools::Rectangle ListBox::GetDropDownPosSizePixel() const
+{
+    return mpFloatWin ? mpFloatWin->GetWindowExtentsRelative(this) : tools::Rectangle();
+}
+
+const Wallpaper& ListBox::GetDisplayBackground() const
+{
+    // !!! Recursion does not occur because the ImplListBox is initialized by default
+    // to a non-transparent color in Window::ImplInitData
+    return mpImplLB->GetDisplayBackground();
+}
+
+void ListBox::setMaxWidthChars(sal_Int32 nWidth)
+{
+    if (nWidth != m_nMaxWidthChars)
+    {
+        m_nMaxWidthChars = nWidth;
+        queue_resize();
+    }
+}
+
+bool ListBox::set_property(const OString &rKey, const OUString &rValue)
+{
+    if (rKey == "active")
+        SelectEntryPos(rValue.toInt32());
+    else if (rKey == "max-width-chars")
+        setMaxWidthChars(rValue.toInt32());
+    else if (rKey == "can-focus")
+    {
+        // as far as I can see in Gtk, setting a ComboBox as can.focus means
+        // the focus gets stuck in it, so try here to behave like gtk does
+        // with the settings that work, i.e. can.focus of false doesn't
+        // set the hard WB_NOTABSTOP
+        WinBits nBits = GetStyle();
+        nBits &= ~(WB_TABSTOP|WB_NOTABSTOP);
+        if (toBool(rValue))
+            nBits |= WB_TABSTOP;
+        SetStyle(nBits);
+    }
+    else
+        return Control::set_property(rKey, rValue);
+    return true;
+}
+
+FactoryFunction ListBox::GetUITestFactory() const
+{
+    return ListBoxUIObject::create;
+}
+
+void ListBox::DumpAsPropertyTree(tools::JsonWriter& rJsonWriter)
+{
+    Control::DumpAsPropertyTree(rJsonWriter);
+
+    {
+        auto entriesNode = rJsonWriter.startArray("entries");
+        for (int i = 0; i < GetEntryCount(); ++i)
+        {
+            rJsonWriter.putSimpleValue(GetEntry(i));
+        }
+    }
+
+    rJsonWriter.put("selectedCount", GetSelectedEntryCount());
+
+    {
+        auto entriesNode = rJsonWriter.startArray("selectedEntries");
+        for (int i = 0; i < GetSelectedEntryCount(); ++i)
+        {
+            rJsonWriter.putSimpleValue(OUString::number(GetSelectedEntryPos(i)));
+        }
+    }
+}
+
+MultiListBox::MultiListBox( vcl::Window* pParent, WinBits nStyle ) :
+    ListBox( WindowType::MULTILISTBOX )
+{
+    ImplInit( pParent, nStyle );
+    EnableMultiSelection( true );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */