Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 1562 insertions, 0 deletions

diff --git a/toolkit/source/controls/unocontrol.cxx b/toolkit/source/controls/unocontrol.cxx
new file mode 100644
index 000000000..71132338c
--- /dev/null
+++ b/toolkit/source/controls/unocontrol.cxx
@@ -0,0 +1,1562 @@
+/* -*- 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 <com/sun/star/awt/XControlContainer.hpp>
+#include <com/sun/star/awt/WindowAttribute.hpp>
+#include <com/sun/star/awt/VclWindowPeerAttribute.hpp>
+#include <com/sun/star/awt/PosSize.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/XMultiPropertySet.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/resource/XStringResourceResolver.hpp>
+#include <toolkit/controls/unocontrol.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <osl/mutex.hxx>
+#include <tools/debug.hxx>
+#include <tools/diagnose_ex.h>
+#include <vcl/svapp.hxx>
+#include <toolkit/helper/property.hxx>
+#include <toolkit/awt/vclxwindow.hxx>
+#include <controls/accessiblecontrolcontext.hxx>
+
+#include <algorithm>
+#include <map>
+#include <vector>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::awt;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::util;
+
+using ::com::sun::star::accessibility::XAccessibleContext;
+using ::com::sun::star::accessibility::XAccessible;
+
+namespace {
+
+struct LanguageDependentProp
+{
+    const char* pPropName;
+    sal_Int32   nPropNameLength;
+};
+
+}
+
+static const LanguageDependentProp aLanguageDependentProp[] =
+{
+    { "Text",            4 },
+    { "Label",           5 },
+    { "Title",           5 },
+    { "HelpText",        8 },
+    { "CurrencySymbol", 14 },
+    { "StringItemList", 14 },
+    { nullptr, 0                 }
+};
+
+static Sequence< OUString> lcl_ImplGetPropertyNames( const Reference< XMultiPropertySet > & rxModel )
+{
+    Sequence< OUString> aNames;
+    Reference< XPropertySetInfo >  xPSInf = rxModel->getPropertySetInfo();
+    DBG_ASSERT( xPSInf.is(), "UpdateFromModel: No PropertySetInfo!" );
+    if ( xPSInf.is() )
+    {
+        Sequence< Property> aProps = xPSInf->getProperties();
+        sal_Int32 nLen = aProps.getLength();
+        aNames = Sequence< OUString>( nLen );
+        std::transform(aProps.begin(), aProps.end(), aNames.begin(),
+            [](const Property& rProp) -> OUString { return rProp.Name; });
+    }
+    return aNames;
+}
+
+namespace {
+
+class VclListenerLock
+{
+private:
+    VCLXWindow*  m_pLockWindow;
+
+public:
+    explicit VclListenerLock( VCLXWindow* _pLockWindow )
+        : m_pLockWindow( _pLockWindow )
+    {
+        if ( m_pLockWindow )
+            m_pLockWindow->suspendVclEventListening( );
+    }
+    ~VclListenerLock()
+    {
+        if ( m_pLockWindow )
+            m_pLockWindow->resumeVclEventListening( );
+    }
+    VclListenerLock(const VclListenerLock&) = delete;
+    VclListenerLock& operator=(const VclListenerLock&) = delete;
+};
+
+}
+
+typedef ::std::map< OUString, sal_Int32 >    MapString2Int;
+struct UnoControl_Data
+{
+    MapString2Int   aSuspendedPropertyNotifications;
+    /// true if and only if our model has a property ResourceResolver
+    bool            bLocalizationSupport;
+
+    UnoControl_Data()
+        :aSuspendedPropertyNotifications()
+        ,bLocalizationSupport( false )
+    {
+    }
+};
+
+UnoControl::UnoControl() :
+      maDisposeListeners( *this )
+    , maWindowListeners( *this )
+    , maFocusListeners( *this )
+    , maKeyListeners( *this )
+    , maMouseListeners( *this )
+    , maMouseMotionListeners( *this )
+    , maPaintListeners( *this )
+    , maModeChangeListeners( GetMutex() )
+    , mpData( new UnoControl_Data )
+{
+    mbDisposePeer = true;
+    mbRefreshingPeer = false;
+    mbCreatingPeer = false;
+    mbCreatingCompatiblePeer = false;
+    mbDesignMode = false;
+}
+
+UnoControl::~UnoControl()
+{
+}
+
+OUString UnoControl::GetComponentServiceName()
+{
+    return OUString();
+}
+
+Reference< XWindowPeer >    UnoControl::ImplGetCompatiblePeer()
+{
+    DBG_ASSERT( !mbCreatingCompatiblePeer, "ImplGetCompatiblePeer - recursive?" );
+
+    mbCreatingCompatiblePeer = true;
+
+    Reference< XWindowPeer > xCompatiblePeer = getPeer();
+
+    if ( !xCompatiblePeer.is() )
+    {
+        // Create the pair as invisible
+        bool bVis = maComponentInfos.bVisible;
+        if( bVis )
+            maComponentInfos.bVisible = false;
+
+        Reference< XWindowPeer >    xCurrentPeer = getPeer();
+        setPeer( nullptr );
+
+        // queryInterface ourself, to allow aggregation
+        Reference< XControl > xMe;
+        OWeakAggObject::queryInterface( cppu::UnoType<decltype(xMe)>::get() ) >>= xMe;
+
+        vcl::Window* pParentWindow( nullptr );
+        {
+            SolarMutexGuard aGuard;
+            pParentWindow = dynamic_cast< vcl::Window* >( Application::GetDefaultDevice() );
+            ENSURE_OR_THROW( pParentWindow != nullptr, "could obtain a default parent window!" );
+        }
+        try
+        {
+            xMe->createPeer( nullptr, pParentWindow->GetComponentInterface() );
+        }
+        catch( const Exception& )
+        {
+            mbCreatingCompatiblePeer = false;
+            throw;
+        }
+        xCompatiblePeer = getPeer();
+        setPeer( xCurrentPeer );
+
+        if ( xCompatiblePeer.is() && mxGraphics.is() )
+        {
+            Reference< XView > xPeerView( xCompatiblePeer, UNO_QUERY );
+            if ( xPeerView.is() )
+                xPeerView->setGraphics( mxGraphics );
+        }
+
+        if( bVis )
+            maComponentInfos.bVisible = true;
+    }
+
+    mbCreatingCompatiblePeer = false;
+
+    return xCompatiblePeer;
+}
+
+bool UnoControl::ImplCheckLocalize( OUString& _rPossiblyLocalizable )
+{
+    if  (   !mpData->bLocalizationSupport
+        ||  ( _rPossiblyLocalizable.isEmpty() )
+        ||  ( _rPossiblyLocalizable[0] != '&' )
+            // TODO: make this reasonable. At the moment, everything which by accident starts with a & is considered
+            // localizable, which is probably wrong.
+        )
+        return false;
+
+    try
+    {
+        Reference< XPropertySet > xPropSet( mxModel, UNO_QUERY_THROW );
+        Reference< resource::XStringResourceResolver > xStringResourceResolver(
+            xPropSet->getPropertyValue("ResourceResolver"),
+            UNO_QUERY
+        );
+        if ( xStringResourceResolver.is() )
+        {
+            OUString aLocalizationKey( _rPossiblyLocalizable.copy( 1 ) );
+            _rPossiblyLocalizable = xStringResourceResolver->resolveString( aLocalizationKey );
+            return true;
+        }
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("toolkit.controls");
+    }
+    return false;
+}
+
+void UnoControl::ImplSetPeerProperty( const OUString& rPropName, const Any& rVal )
+{
+    // since a change made in propertiesChange, we can't be sure that this is called with a valid getPeer(),
+    // this assumption may be false in some (seldom) multi-threading scenarios (cause propertiesChange
+    // releases our mutex before calling here in)
+    // That's why this additional check
+
+    if ( mxVclWindowPeer.is() )
+    {
+        Any aConvertedValue( rVal );
+
+        if ( mpData->bLocalizationSupport )
+        {
+            // We now support a mapping for language dependent properties. This is the
+            // central method to implement it.
+            if( rPropName == "Text"            ||
+                rPropName == "Label"           ||
+                rPropName == "Title"           ||
+                rPropName == "HelpText"        ||
+                rPropName == "CurrencySymbol"  ||
+                rPropName == "StringItemList"  )
+            {
+                OUString aValue;
+                uno::Sequence< OUString > aSeqValue;
+                if ( aConvertedValue >>= aValue )
+                {
+                    if ( ImplCheckLocalize( aValue ) )
+                        aConvertedValue <<= aValue;
+                }
+                else if ( aConvertedValue >>= aSeqValue )
+                {
+                    for ( auto& rValue : aSeqValue )
+                        ImplCheckLocalize( rValue );
+                    aConvertedValue <<= aSeqValue;
+                }
+            }
+        }
+
+        mxVclWindowPeer->setProperty( rPropName, aConvertedValue );
+    }
+}
+
+void UnoControl::PrepareWindowDescriptor( WindowDescriptor& )
+{
+}
+
+Reference< XWindow >    UnoControl::getParentPeer() const
+{
+    Reference< XWindow > xPeer;
+    if( mxContext.is() )
+    {
+        Reference< XControl > xContComp( mxContext, UNO_QUERY );
+        if ( xContComp.is() )
+        {
+            Reference< XWindowPeer > xP = xContComp->getPeer();
+            if ( xP.is() )
+                xPeer.set( xP, UNO_QUERY );
+        }
+    }
+    return xPeer;
+}
+
+void UnoControl::updateFromModel()
+{
+    // Read default properties and hand over to peer
+    if( getPeer().is() )
+    {
+        Reference< XMultiPropertySet >  xPropSet( mxModel, UNO_QUERY );
+        if( xPropSet.is() )
+        {
+            Sequence< OUString> aNames = lcl_ImplGetPropertyNames( xPropSet );
+            xPropSet->firePropertiesChangeEvent( aNames, this );
+        }
+    }
+}
+
+
+// XTypeProvider
+IMPL_IMPLEMENTATION_ID( UnoControl )
+
+void
+UnoControl::DisposeAccessibleContext(Reference<XComponent> const& xContextComp)
+{
+    if (xContextComp.is())
+    {
+        try
+        {
+            xContextComp->removeEventListener( this );
+            xContextComp->dispose();
+        }
+        catch( const Exception& )
+        {
+            OSL_FAIL( "UnoControl::disposeAccessibleContext: could not dispose my AccessibleContext!" );
+        }
+    }
+}
+
+void UnoControl::dispose(  )
+{
+    Reference< XWindowPeer > xPeer;
+    Reference<XComponent> xAccessibleComp;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if( mbDisposePeer )
+        {
+            xPeer = mxPeer;
+        }
+        setPeer( nullptr );
+        xAccessibleComp.set(maAccessibleContext, UNO_QUERY);
+        maAccessibleContext.clear();
+    }
+    if( xPeer.is() )
+    {
+        xPeer->dispose();
+    }
+
+    // dispose our AccessibleContext - without Mutex locked
+    DisposeAccessibleContext(xAccessibleComp);
+
+    EventObject aDisposeEvent;
+    aDisposeEvent.Source = static_cast< XAggregation* >( this );
+
+    maDisposeListeners.disposeAndClear( aDisposeEvent );
+    maWindowListeners.disposeAndClear( aDisposeEvent );
+    maFocusListeners.disposeAndClear( aDisposeEvent );
+    maKeyListeners.disposeAndClear( aDisposeEvent );
+    maMouseListeners.disposeAndClear( aDisposeEvent );
+    maMouseMotionListeners.disposeAndClear( aDisposeEvent );
+    maPaintListeners.disposeAndClear( aDisposeEvent );
+    maModeChangeListeners.disposeAndClear( aDisposeEvent );
+
+    // release Model again
+    setModel( Reference< XControlModel > () );
+    setContext( Reference< XInterface > () );
+}
+
+void UnoControl::addEventListener( const Reference< XEventListener >& rxListener )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    maDisposeListeners.addInterface( rxListener );
+}
+
+void UnoControl::removeEventListener( const Reference< XEventListener >& rxListener )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    maDisposeListeners.removeInterface( rxListener );
+}
+
+bool UnoControl::requiresNewPeer( const OUString& /* _rPropertyName */ ) const
+{
+    return false;
+}
+
+// XPropertiesChangeListener
+void UnoControl::propertiesChange( const Sequence< PropertyChangeEvent >& rEvents )
+{
+    Sequence< PropertyChangeEvent > aEvents( rEvents );
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        if ( !mpData->aSuspendedPropertyNotifications.empty() )
+        {
+            // strip the property which we are currently updating (somewhere up the stack)
+            PropertyChangeEvent* pEvents = aEvents.getArray();
+            PropertyChangeEvent* pEventsEnd = pEvents + aEvents.getLength();
+            for ( ; pEvents < pEventsEnd; )
+                if ( mpData->aSuspendedPropertyNotifications.find( pEvents->PropertyName ) != mpData->aSuspendedPropertyNotifications.end() )
+                {
+                    std::copy(pEvents + 1, pEventsEnd, pEvents);
+                    --pEventsEnd;
+                }
+                else
+                    ++pEvents;
+            aEvents.realloc( pEventsEnd - aEvents.getConstArray() );
+
+            if ( !aEvents.hasElements() )
+                return;
+        }
+    }
+
+    ImplModelPropertiesChanged( aEvents );
+}
+
+void UnoControl::ImplLockPropertyChangeNotification( const OUString& rPropertyName, bool bLock )
+{
+    MapString2Int::iterator pos = mpData->aSuspendedPropertyNotifications.find( rPropertyName );
+    if ( bLock )
+    {
+        if ( pos == mpData->aSuspendedPropertyNotifications.end() )
+            pos = mpData->aSuspendedPropertyNotifications.emplace( rPropertyName, 0 ).first;
+        ++pos->second;
+    }
+    else
+    {
+        OSL_ENSURE( pos != mpData->aSuspendedPropertyNotifications.end(), "UnoControl::ImplLockPropertyChangeNotification: property not locked!" );
+        if ( pos != mpData->aSuspendedPropertyNotifications.end() )
+        {
+            OSL_ENSURE( pos->second > 0, "UnoControl::ImplLockPropertyChangeNotification: invalid suspension counter!" );
+            if ( 0 == --pos->second )
+                mpData->aSuspendedPropertyNotifications.erase( pos );
+        }
+    }
+}
+
+void UnoControl::ImplLockPropertyChangeNotifications( const Sequence< OUString >& rPropertyNames, bool bLock )
+{
+    for ( auto const & propertyName : rPropertyNames )
+        ImplLockPropertyChangeNotification( propertyName, bLock );
+}
+
+void UnoControl::ImplModelPropertiesChanged( const Sequence< PropertyChangeEvent >& rEvents )
+{
+    ::osl::ClearableGuard< ::osl::Mutex > aGuard( GetMutex() );
+
+    if( !getPeer().is() )
+        return;
+
+    std::vector< PropertyValue > aPeerPropertiesToSet;
+    sal_Int32               nIndependentPos = 0;
+    bool                    bResourceResolverSet( false );
+        // position where to insert the independent properties into aPeerPropertiesToSet,
+        // dependent ones are inserted at the end of the vector
+
+    bool bNeedNewPeer = false;
+        // some properties require a re-creation of the peer, 'cause they can't be changed on the fly
+
+    Reference< XControlModel > xOwnModel = getModel();
+        // our own model for comparison
+    Reference< XPropertySet > xPS( xOwnModel, UNO_QUERY );
+    Reference< XPropertySetInfo > xPSI = xPS->getPropertySetInfo();
+    OSL_ENSURE( xPSI.is(), "UnoControl::ImplModelPropertiesChanged: should have property set meta data!" );
+
+    sal_Int32 nLen = rEvents.getLength();
+    aPeerPropertiesToSet.reserve(nLen);
+
+    for( const PropertyChangeEvent& rEvent : rEvents )
+    {
+        Reference< XControlModel > xModel( rEvent.Source, UNO_QUERY );
+        bool bOwnModel = xModel.get() == xOwnModel.get();
+        if ( !bOwnModel )
+            continue;
+
+        // Detect changes on our resource resolver which invalidates
+        // automatically some language dependent properties.
+        if ( rEvent.PropertyName == "ResourceResolver" )
+        {
+            Reference< resource::XStringResourceResolver > xStrResolver;
+            if ( rEvent.NewValue >>= xStrResolver )
+                bResourceResolverSet = xStrResolver.is();
+        }
+
+        sal_uInt16 nPType = GetPropertyId( rEvent.PropertyName );
+        if ( mbDesignMode && mbDisposePeer && !mbRefreshingPeer && !mbCreatingPeer )
+        {
+            // if we're in design mode, then some properties can change which
+            // require creating a *new* peer (since these properties cannot
+            // be switched at existing peers)
+            if ( nPType )
+                bNeedNewPeer = ( nPType == BASEPROPERTY_BORDER )
+                            || ( nPType == BASEPROPERTY_MULTILINE )
+                            || ( nPType == BASEPROPERTY_DROPDOWN )
+                            || ( nPType == BASEPROPERTY_HSCROLL )
+                            || ( nPType == BASEPROPERTY_VSCROLL )
+                            || ( nPType == BASEPROPERTY_AUTOHSCROLL )
+                            || ( nPType == BASEPROPERTY_AUTOVSCROLL )
+                            || ( nPType == BASEPROPERTY_ORIENTATION )
+                            || ( nPType == BASEPROPERTY_SPIN )
+                            || ( nPType == BASEPROPERTY_ALIGN )
+                            || ( nPType == BASEPROPERTY_PAINTTRANSPARENT );
+            else
+                bNeedNewPeer = requiresNewPeer( rEvent.PropertyName );
+
+            if ( bNeedNewPeer )
+                break;
+        }
+
+        if ( nPType && ( nLen > 1 ) && DoesDependOnOthers( nPType ) )
+        {
+            // Add properties with dependencies on other properties last
+            // since they're dependent on properties added later (such as
+            // VALUE dependency on VALUEMIN/MAX)
+            aPeerPropertiesToSet.emplace_back(rEvent.PropertyName, 0, rEvent.NewValue, PropertyState_DIRECT_VALUE);
+        }
+        else
+        {
+            if ( bResourceResolverSet )
+            {
+                // The resource resolver property change should be one of the first ones.
+                // All language dependent properties are dependent on this property.
+                // As BASEPROPERTY_NATIVE_WIDGET_LOOK is not dependent on resource
+                // resolver. We don't need to handle a special order for these two props.
+                aPeerPropertiesToSet.insert(
+                    aPeerPropertiesToSet.begin(),
+                    PropertyValue( rEvent.PropertyName, 0, rEvent.NewValue, PropertyState_DIRECT_VALUE ) );
+                ++nIndependentPos;
+            }
+            else if ( nPType == BASEPROPERTY_NATIVE_WIDGET_LOOK )
+            {
+                // since *a lot* of other properties might be overruled by this one, we need
+                // a special handling:
+                // NativeWidgetLook needs to be set first: If it is set to ON, all other
+                // properties describing the look (e.g. BackgroundColor) are ignored, anyway.
+                // If it is switched OFF, then we need to do it first because else it will
+                // overrule other look-related properties, and re-initialize them from system
+                // defaults.
+                aPeerPropertiesToSet.insert(
+                    aPeerPropertiesToSet.begin(),
+                    PropertyValue( rEvent.PropertyName, 0, rEvent.NewValue, PropertyState_DIRECT_VALUE ) );
+                ++nIndependentPos;
+            }
+            else
+            {
+                aPeerPropertiesToSet.insert(aPeerPropertiesToSet.begin() + nIndependentPos,
+                    PropertyValue(rEvent.PropertyName, 0, rEvent.NewValue, PropertyState_DIRECT_VALUE));
+                ++nIndependentPos;
+            }
+        }
+    }
+
+    Reference< XWindow >    xParent = getParentPeer();
+    Reference< XControl > xThis( static_cast<XAggregation*>(static_cast<cppu::OWeakAggObject*>(this)), UNO_QUERY );
+    // call createPeer via an interface got from queryInterface, so the aggregating class can intercept it
+
+    DBG_ASSERT( !bNeedNewPeer || xParent.is(), "Need new peer, but don't have a parent!" );
+
+    // Check if we have to update language dependent properties
+    if ( !bNeedNewPeer && bResourceResolverSet )
+    {
+        // Add language dependent properties into the peer property set.
+        // Our resource resolver has been changed and we must be sure
+        // that language dependent props use the new resolver.
+        const LanguageDependentProp* pLangDepProp = aLanguageDependentProp;
+        while ( pLangDepProp->pPropName != nullptr )
+        {
+            bool bMustBeInserted( true );
+            for (const PropertyValue & i : aPeerPropertiesToSet)
+            {
+                if ( i.Name.equalsAsciiL(
+                        pLangDepProp->pPropName, pLangDepProp->nPropNameLength ))
+                {
+                    bMustBeInserted = false;
+                    break;
+                }
+            }
+
+            if ( bMustBeInserted )
+            {
+                // Add language dependent props at the end
+                OUString aPropName( OUString::createFromAscii( pLangDepProp->pPropName ));
+                if ( xPSI.is() && xPSI->hasPropertyByName( aPropName ) )
+                {
+                    aPeerPropertiesToSet.emplace_back( aPropName, 0, xPS->getPropertyValue( aPropName ), PropertyState_DIRECT_VALUE );
+                }
+            }
+
+            ++pLangDepProp;
+        }
+    }
+    aGuard.clear();
+
+    // clear the guard before creating a new peer - as usual, our peer implementations use the SolarMutex
+
+    if (bNeedNewPeer && xParent.is())
+    {
+        SolarMutexGuard aVclGuard;
+            // and now this is the final withdrawal:
+            // I have no other idea than locking the SolarMutex here...
+            // I really hate the fact that VCL is not threadsafe...
+
+        // Doesn't work for Container!
+        getPeer()->dispose();
+        mxPeer.clear();
+        mxVclWindowPeer = nullptr;
+        mbRefreshingPeer = true;
+        Reference< XWindowPeer >    xP( xParent, UNO_QUERY );
+        xThis->createPeer( Reference< XToolkit > (), xP );
+        mbRefreshingPeer = false;
+        aPeerPropertiesToSet.clear();
+    }
+
+    // lock the multiplexing of VCL events to our UNO listeners
+    // this is for compatibility reasons: in OOo 1.0.x, changes which were done at the
+    // model did not cause the listeners of the controls/peers to be called
+    // Since the implementations for the listeners changed a lot towards 1.1, this
+    // would not be the case anymore, if we would not do this listener-lock below
+    // #i14703#
+    VCLXWindow* pPeer;
+    {
+        SolarMutexGuard g;
+        VclPtr<vcl::Window> pVclPeer = VCLUnoHelper::GetWindow( getPeer() );
+        pPeer = pVclPeer ? pVclPeer->GetWindowPeer() : nullptr;
+    }
+    VclListenerLock aNoVclEventMultiplexing( pPeer );
+
+    // setting peer properties may result in an attempt to acquire the solar mutex, 'cause the peers
+    // usually don't have an own mutex but use the SolarMutex instead.
+    // To prevent deadlocks resulting from this, we do this without our own mutex locked
+    for (const auto& rProp : aPeerPropertiesToSet)
+    {
+        ImplSetPeerProperty( rProp.Name, rProp.Value );
+    }
+
+}
+
+void UnoControl::disposing( const EventObject& rEvt )
+{
+    ::osl::ClearableMutexGuard aGuard( GetMutex() );
+    // do not compare differing types in case of multiple inheritance
+
+    if ( maAccessibleContext.get() == rEvt.Source )
+    {
+        // just in case the context is disposed, but not released - ensure that we do not re-use it in the future
+        maAccessibleContext = nullptr;
+    }
+    else if( mxModel.get() == Reference< XControlModel >(rEvt.Source,UNO_QUERY).get() )
+    {
+        // #62337# if the model dies, it does not make sense for us to live ...
+        Reference< XControl >  xThis = this;
+
+        aGuard.clear();
+        xThis->dispose();
+
+        DBG_ASSERT( !mxModel.is(), "UnoControl::disposing: invalid dispose behaviour!" );
+        mxModel.clear();
+    }
+}
+
+
+void SAL_CALL UnoControl::setOutputSize( const awt::Size& aSize )
+{
+    Reference< XWindow2 > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+
+    if ( xPeerWindow.is() )
+        xPeerWindow->setOutputSize( aSize );
+}
+
+namespace
+{
+    template < typename RETVALTYPE, typename DEFAULTTYPE >
+    RETVALTYPE lcl_askPeer( const uno::Reference< awt::XWindowPeer >& _rxPeer, RETVALTYPE (SAL_CALL XWindow2::*_pMethod)(), DEFAULTTYPE _aDefault )
+    {
+        RETVALTYPE aReturn( _aDefault );
+
+        Reference< XWindow2 > xPeerWindow( _rxPeer, UNO_QUERY );
+        if ( xPeerWindow.is() )
+            aReturn = (xPeerWindow.get()->*_pMethod)();
+
+        return aReturn;
+    }
+}
+
+awt::Size SAL_CALL UnoControl::getOutputSize(  )
+{
+    return lcl_askPeer( getPeer(), &XWindow2::getOutputSize, awt::Size() );
+}
+
+sal_Bool SAL_CALL UnoControl::isVisible(  )
+{
+    return lcl_askPeer( getPeer(), &XWindow2::isVisible, maComponentInfos.bVisible );
+}
+
+sal_Bool SAL_CALL UnoControl::isActive(  )
+{
+    return lcl_askPeer( getPeer(), &XWindow2::isActive, false );
+}
+
+sal_Bool SAL_CALL UnoControl::isEnabled(  )
+{
+    return lcl_askPeer( getPeer(), &XWindow2::isEnabled, maComponentInfos.bEnable );
+}
+
+sal_Bool SAL_CALL UnoControl::hasFocus(  )
+{
+    return lcl_askPeer( getPeer(), &XWindow2::hasFocus, false );
+}
+
+// XWindow
+void UnoControl::setPosSize( sal_Int32 X, sal_Int32 Y, sal_Int32 Width, sal_Int32 Height, sal_Int16 Flags )
+{
+    Reference< XWindow > xWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        if ( Flags & awt::PosSize::X )
+            maComponentInfos.nX = X;
+        if ( Flags & awt::PosSize::Y )
+            maComponentInfos.nY = Y;
+        if ( Flags & awt::PosSize::WIDTH )
+            maComponentInfos.nWidth = Width;
+        if ( Flags & awt::PosSize::HEIGHT )
+            maComponentInfos.nHeight = Height;
+        maComponentInfos.nFlags |= Flags;
+
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+
+    if( xWindow.is() )
+        xWindow->setPosSize( X, Y, Width, Height, Flags );
+}
+
+awt::Rectangle UnoControl::getPosSize(  )
+{
+    awt::Rectangle aRect( maComponentInfos.nX, maComponentInfos.nY, maComponentInfos.nWidth, maComponentInfos.nHeight);
+    Reference< XWindow > xWindow;
+
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+
+    if( xWindow.is() )
+        aRect = xWindow->getPosSize();
+    return aRect;
+}
+
+void UnoControl::setVisible( sal_Bool bVisible )
+{
+    Reference< XWindow > xWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        // Visible status is handled by View
+        maComponentInfos.bVisible = bVisible;
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xWindow.is() )
+        xWindow->setVisible( bVisible );
+}
+
+void UnoControl::setEnable( sal_Bool bEnable )
+{
+    Reference< XWindow > xWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        // Enable status is handled by View
+        maComponentInfos.bEnable = bEnable;
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xWindow.is() )
+        xWindow->setEnable( bEnable );
+}
+
+void UnoControl::setFocus(  )
+{
+    Reference< XWindow > xWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xWindow.is() )
+        xWindow->setFocus();
+}
+
+void UnoControl::addWindowListener( const Reference< XWindowListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maWindowListeners.addInterface( rxListener );
+        if ( maWindowListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addWindowListener( &maWindowListeners );
+}
+
+void UnoControl::removeWindowListener( const Reference< XWindowListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maWindowListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maWindowListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removeWindowListener( &maWindowListeners );
+}
+
+void UnoControl::addFocusListener( const Reference< XFocusListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maFocusListeners.addInterface( rxListener );
+        if ( maFocusListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addFocusListener( &maFocusListeners );
+}
+
+void UnoControl::removeFocusListener( const Reference< XFocusListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maFocusListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maFocusListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removeFocusListener( &maFocusListeners );
+}
+
+void UnoControl::addKeyListener( const Reference< XKeyListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maKeyListeners.addInterface( rxListener );
+        if ( maKeyListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addKeyListener( &maKeyListeners);
+}
+
+void UnoControl::removeKeyListener( const Reference< XKeyListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maKeyListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maKeyListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removeKeyListener( &maKeyListeners);
+}
+
+void UnoControl::addMouseListener( const Reference< XMouseListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maMouseListeners.addInterface( rxListener );
+        if ( maMouseListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addMouseListener( &maMouseListeners);
+}
+
+void UnoControl::removeMouseListener( const Reference< XMouseListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maMouseListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maMouseListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removeMouseListener( &maMouseListeners );
+}
+
+void UnoControl::addMouseMotionListener( const Reference< XMouseMotionListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maMouseMotionListeners.addInterface( rxListener );
+        if ( maMouseMotionListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addMouseMotionListener( &maMouseMotionListeners);
+}
+
+void UnoControl::removeMouseMotionListener( const Reference< XMouseMotionListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maMouseMotionListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maMouseMotionListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removeMouseMotionListener( &maMouseMotionListeners );
+}
+
+void UnoControl::addPaintListener( const Reference< XPaintListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        maPaintListeners.addInterface( rxListener );
+        if ( maPaintListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->addPaintListener( &maPaintListeners);
+}
+
+void UnoControl::removePaintListener( const Reference< XPaintListener >& rxListener )
+{
+    Reference< XWindow > xPeerWindow;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( maPaintListeners.getLength() == 1 )
+            xPeerWindow.set(getPeer(), css::uno::UNO_QUERY);
+        maPaintListeners.removeInterface( rxListener );
+    }
+    if ( xPeerWindow.is() )
+        xPeerWindow->removePaintListener( &maPaintListeners );
+}
+
+// XView
+sal_Bool UnoControl::setGraphics( const Reference< XGraphics >& rDevice )
+{
+    Reference< XView > xView;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        mxGraphics = rDevice;
+        xView.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    return !xView.is() || xView->setGraphics( rDevice );
+}
+
+Reference< XGraphics > UnoControl::getGraphics(  )
+{
+    return mxGraphics;
+}
+
+awt::Size UnoControl::getSize(  )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+    return awt::Size( maComponentInfos.nWidth, maComponentInfos.nHeight );
+}
+
+void UnoControl::draw( sal_Int32 x, sal_Int32 y )
+{
+    Reference< XWindowPeer > xDrawPeer;
+    Reference< XView > xDrawPeerView;
+
+    bool bDisposeDrawPeer( false );
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        xDrawPeer = ImplGetCompatiblePeer();
+        bDisposeDrawPeer = xDrawPeer.is() && ( xDrawPeer != getPeer() );
+
+        xDrawPeerView.set( xDrawPeer, UNO_QUERY );
+        DBG_ASSERT( xDrawPeerView.is(), "UnoControl::draw: no peer!" );
+    }
+
+    if ( xDrawPeerView.is() )
+    {
+        Reference< XVclWindowPeer > xWindowPeer;
+        xWindowPeer.set( xDrawPeer, UNO_QUERY );
+        if ( xWindowPeer.is() )
+            xWindowPeer->setDesignMode( mbDesignMode );
+        xDrawPeerView->draw( x, y );
+    }
+
+    if ( bDisposeDrawPeer )
+        xDrawPeer->dispose();
+}
+
+void UnoControl::setZoom( float fZoomX, float fZoomY )
+{
+    Reference< XView > xView;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+
+        maComponentInfos.nZoomX = fZoomX;
+        maComponentInfos.nZoomY = fZoomY;
+
+        xView.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xView.is() )
+        xView->setZoom( fZoomX, fZoomY );
+}
+
+// XControl
+void UnoControl::setContext( const Reference< XInterface >& rxContext )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    mxContext = rxContext;
+}
+
+Reference< XInterface > UnoControl::getContext(  )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    return mxContext;
+}
+
+void UnoControl::peerCreated()
+{
+    Reference< XWindow > xWindow( getPeer(), UNO_QUERY );
+    if ( !xWindow.is() )
+        return;
+
+    if ( maWindowListeners.getLength() )
+        xWindow->addWindowListener( &maWindowListeners );
+
+    if ( maFocusListeners.getLength() )
+        xWindow->addFocusListener( &maFocusListeners );
+
+    if ( maKeyListeners.getLength() )
+        xWindow->addKeyListener( &maKeyListeners );
+
+    if ( maMouseListeners.getLength() )
+        xWindow->addMouseListener( &maMouseListeners );
+
+    if ( maMouseMotionListeners.getLength() )
+        xWindow->addMouseMotionListener( &maMouseMotionListeners );
+
+    if ( maPaintListeners.getLength() )
+        xWindow->addPaintListener( &maPaintListeners );
+}
+
+void UnoControl::createPeer( const Reference< XToolkit >& rxToolkit, const Reference< XWindowPeer >& rParentPeer )
+{
+    ::osl::ClearableMutexGuard aGuard( GetMutex() );
+    if ( !mxModel.is() )
+    {
+        RuntimeException aException;
+        aException.Message = "createPeer: no model!";
+        aException.Context = static_cast<XAggregation*>(static_cast<cppu::OWeakAggObject*>(this));
+        throw aException;
+    }
+
+    if( getPeer().is() )
+        return;
+
+    mbCreatingPeer = true;
+
+    WindowClass eType;
+    Reference< XToolkit >  xToolkit = rxToolkit;
+    if( rParentPeer.is() && mxContext.is() )
+    {
+        // no TopWindow
+        if ( !xToolkit.is() )
+            xToolkit = rParentPeer->getToolkit();
+        Any aAny = OWeakAggObject::queryInterface( cppu::UnoType<XControlContainer>::get());
+        Reference< XControlContainer > xC;
+        aAny >>= xC;
+        if( xC.is() )
+            // It's a container
+            eType = WindowClass_CONTAINER;
+        else
+            eType = WindowClass_SIMPLE;
+    }
+    else
+    { // This is only correct for Top Window
+        if( rParentPeer.is() )
+        {
+            if ( !xToolkit.is() )
+                xToolkit = rParentPeer->getToolkit();
+            eType = WindowClass_CONTAINER;
+        }
+        else
+        {
+            if ( !xToolkit.is() )
+                xToolkit = VCLUnoHelper::CreateToolkit();
+            eType = WindowClass_TOP;
+        }
+    }
+    WindowDescriptor aDescr;
+    aDescr.Type = eType;
+    aDescr.WindowServiceName = GetComponentServiceName();
+    aDescr.Parent = rParentPeer;
+    aDescr.Bounds = getPosSize();
+    aDescr.WindowAttributes = 0;
+
+    // Border
+    Reference< XPropertySet > xPSet( mxModel, UNO_QUERY );
+    Reference< XPropertySetInfo >  xInfo = xPSet->getPropertySetInfo();
+
+    Any aVal;
+    OUString aPropName = GetPropertyName( BASEPROPERTY_BORDER );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        sal_Int16 n = sal_Int16();
+        if ( aVal >>= n )
+        {
+            if ( n )
+                aDescr.WindowAttributes |= WindowAttribute::BORDER;
+            else
+                aDescr.WindowAttributes |= VclWindowPeerAttribute::NOBORDER;
+        }
+    }
+
+    // DESKTOP_AS_PARENT
+    if ( aDescr.Type == WindowClass_TOP )
+    {
+        aPropName = GetPropertyName( BASEPROPERTY_DESKTOP_AS_PARENT );
+        if ( xInfo->hasPropertyByName( aPropName ) )
+        {
+            aVal = xPSet->getPropertyValue( aPropName );
+            bool b = bool();
+            if ( ( aVal >>= b ) && b)
+                aDescr.ParentIndex = -1;
+        }
+    }
+    // Moveable
+    aPropName = GetPropertyName( BASEPROPERTY_MOVEABLE );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= WindowAttribute::MOVEABLE;
+    }
+
+    // Sizeable
+    aPropName = GetPropertyName( BASEPROPERTY_SIZEABLE );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= WindowAttribute::SIZEABLE;
+    }
+
+    // Closeable
+    aPropName = GetPropertyName( BASEPROPERTY_CLOSEABLE );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= WindowAttribute::CLOSEABLE;
+    }
+
+    // Dropdown
+    aPropName = GetPropertyName( BASEPROPERTY_DROPDOWN );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::DROPDOWN;
+    }
+
+    // Spin
+    aPropName = GetPropertyName( BASEPROPERTY_SPIN );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::SPIN;
+    }
+
+    // HScroll
+    aPropName = GetPropertyName( BASEPROPERTY_HSCROLL );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::HSCROLL;
+    }
+
+    // VScroll
+    aPropName = GetPropertyName( BASEPROPERTY_VSCROLL );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::VSCROLL;
+    }
+
+    // AutoHScroll
+    aPropName = GetPropertyName( BASEPROPERTY_AUTOHSCROLL );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::AUTOHSCROLL;
+    }
+
+    // AutoVScroll
+    aPropName = GetPropertyName( BASEPROPERTY_AUTOVSCROLL );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>= b ) && b)
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::AUTOVSCROLL;
+    }
+
+    //added for issue79712
+    //NoLabel
+    aPropName = GetPropertyName( BASEPROPERTY_NOLABEL );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        bool b = bool();
+        if ( ( aVal >>=b ) && b )
+            aDescr.WindowAttributes |= VclWindowPeerAttribute::NOLABEL;
+    }
+    //issue79712 ends
+
+    // Align
+    aPropName = GetPropertyName( BASEPROPERTY_ALIGN );
+    if ( xInfo->hasPropertyByName( aPropName ) )
+    {
+        aVal = xPSet->getPropertyValue( aPropName );
+        sal_Int16 n = sal_Int16();
+        if ( aVal >>= n )
+        {
+            if ( n == PROPERTY_ALIGN_LEFT )
+                aDescr.WindowAttributes |= VclWindowPeerAttribute::LEFT;
+            else if ( n == PROPERTY_ALIGN_CENTER )
+                aDescr.WindowAttributes |= VclWindowPeerAttribute::CENTER;
+            else
+                aDescr.WindowAttributes |= VclWindowPeerAttribute::RIGHT;
+        }
+    }
+
+    // Allow derivates to manipulate attributes
+    PrepareWindowDescriptor(aDescr);
+
+    // create the peer
+    setPeer( xToolkit->createWindow( aDescr ) );
+
+    // release the mutex guard (and work with copies of our members)
+    // this is necessary as our peer may lock the SolarMutex (actually, all currently known peers do), so calling
+    // into the peer with our own mutex locked may cause deadlocks
+    // (We _really_ need peers which do not use the SolarMutex. It's really pissing me off that from time to
+    // time deadlocks pop up because the low-level components like our peers use a mutex which usually
+    // is locked at the top of the stack (it protects the global message looping). This is always dangerous, and
+    // can not always be solved by tampering with other mutexes.
+    // Unfortunately, the VCL used in the peers is not threadsafe, and by definition needs a locked SolarMutex.)
+    // 82300 - 12/21/00 - FS
+    UnoControlComponentInfos aComponentInfos(maComponentInfos);
+    bool bDesignMode(mbDesignMode);
+
+    Reference< XGraphics >  xGraphics( mxGraphics           );
+    Reference< XView >      xView    ( getPeer(), UNO_QUERY_THROW );
+    Reference< XWindow >    xWindow  ( getPeer(), UNO_QUERY_THROW );
+
+    aGuard.clear();
+
+    // the updateFromModel is done without a locked mutex, too.
+    // The reason is that the only thing this method does  is firing property changes, and this in general has
+    // to be done without locked mutexes (as every notification to external listeners).
+    // 82300 - 12/21/00 - FS
+    updateFromModel();
+
+    xView->setZoom( aComponentInfos.nZoomX, aComponentInfos.nZoomY );
+
+    setPosSize( aComponentInfos.nX, aComponentInfos.nY, aComponentInfos.nWidth, aComponentInfos.nHeight, aComponentInfos.nFlags );
+
+    if( aComponentInfos.bVisible && !bDesignMode )
+        // Show only after setting the data
+        xWindow->setVisible( aComponentInfos.bVisible );
+
+    if( !aComponentInfos.bEnable )
+        xWindow->setEnable( aComponentInfos.bEnable );
+
+    xView->setGraphics( xGraphics );
+
+    peerCreated();
+
+    mbCreatingPeer = false;
+
+}
+
+Reference< XWindowPeer > UnoControl::getPeer()
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+    return mxPeer;
+}
+
+sal_Bool UnoControl::setModel( const Reference< XControlModel >& rxModel )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    Reference< XMultiPropertySet > xPropSet( mxModel, UNO_QUERY );
+
+    // query for the XPropertiesChangeListener - our delegator is allowed to overwrite this interface
+    Reference< XPropertiesChangeListener > xListener;
+    queryInterface( cppu::UnoType<decltype(xListener)>::get() ) >>= xListener;
+
+    if( xPropSet.is() )
+        xPropSet->removePropertiesChangeListener( xListener );
+
+    mpData->bLocalizationSupport = false;
+    mxModel = rxModel;
+
+    if( mxModel.is() )
+    {
+        try
+        {
+            xPropSet.set( mxModel, UNO_QUERY_THROW );
+            Reference< XPropertySetInfo > xPSI( xPropSet->getPropertySetInfo(), UNO_SET_THROW );
+
+            Sequence< OUString> aNames = lcl_ImplGetPropertyNames( xPropSet );
+            xPropSet->addPropertiesChangeListener( aNames, xListener );
+
+            mpData->bLocalizationSupport = xPSI->hasPropertyByName("ResourceResolver");
+        }
+        catch( const Exception& )
+        {
+            DBG_UNHANDLED_EXCEPTION("toolkit.controls");
+            mxModel.clear();
+        }
+    }
+
+    return mxModel.is();
+}
+
+Reference< XControlModel > UnoControl::getModel(    )
+{
+    return mxModel;
+}
+
+Reference< XView > UnoControl::getView(  )
+{
+    return  static_cast< XView* >( this );
+}
+
+void UnoControl::setDesignMode( sal_Bool bOn )
+{
+    ModeChangeEvent aModeChangeEvent;
+
+    Reference< XWindow > xWindow;
+    Reference<XComponent> xAccessibleComp;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        if ( bool(bOn) == mbDesignMode )
+            return;
+
+        // remember this
+        mbDesignMode = bOn;
+        xWindow.set(getPeer(), css::uno::UNO_QUERY);
+
+        xAccessibleComp.set(maAccessibleContext, UNO_QUERY);
+        maAccessibleContext.clear();
+
+        aModeChangeEvent.Source = *this;
+        aModeChangeEvent.NewMode = mbDesignMode ? OUStringLiteral("design") : OUStringLiteral("alive" );
+    }
+
+    // dispose current AccessibleContext, if we have one - without Mutex lock
+    // (changing the design mode implies having a new implementation for this context,
+    // so the old one must be declared DEFUNC)
+    DisposeAccessibleContext(xAccessibleComp);
+
+    // adjust the visibility of our window
+    if ( xWindow.is() )
+        xWindow->setVisible( !bOn );
+
+    // and notify our mode listeners
+    maModeChangeListeners.notifyEach( &XModeChangeListener::modeChanged, aModeChangeEvent );
+}
+
+sal_Bool UnoControl::isDesignMode(  )
+{
+    return mbDesignMode;
+}
+
+sal_Bool UnoControl::isTransparent(  )
+{
+    return false;
+}
+
+// XServiceInfo
+OUString UnoControl::getImplementationName(  )
+{
+    OSL_FAIL( "This method should be overridden!" );
+    return OUString();
+}
+
+sal_Bool UnoControl::supportsService( const OUString& rServiceName )
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+Sequence< OUString > UnoControl::getSupportedServiceNames(  )
+{
+    return { "com.sun.star.awt.UnoControl" };
+}
+
+
+Reference< XAccessibleContext > SAL_CALL UnoControl::getAccessibleContext(  )
+{
+    // creation of the context will certainly require the SolarMutex ...
+    SolarMutexGuard aSolarGuard;
+    ::osl::MutexGuard aGuard( GetMutex() );
+
+    Reference< XAccessibleContext > xCurrentContext( maAccessibleContext.get(), UNO_QUERY );
+    if ( !xCurrentContext.is() )
+    {
+        if ( !mbDesignMode )
+        {   // in alive mode, use the AccessibleContext of the peer
+            Reference< XAccessible > xPeerAcc( getPeer(), UNO_QUERY );
+            if ( xPeerAcc.is() )
+                xCurrentContext = xPeerAcc->getAccessibleContext( );
+        }
+        else
+            // in design mode, use a fallback
+            xCurrentContext = ::toolkit::OAccessibleControlContext::create( this );
+
+        DBG_ASSERT( xCurrentContext.is(), "UnoControl::getAccessibleContext: invalid context (invalid peer?)!" );
+        maAccessibleContext = xCurrentContext;
+
+        // get notified when the context is disposed
+        Reference< XComponent > xContextComp( xCurrentContext, UNO_QUERY );
+        if ( xContextComp.is() )
+            xContextComp->addEventListener( this );
+        // In an ideal world, this is not necessary - there the object would be released as soon as it has been
+        // disposed, and thus our weak reference would be empty, too.
+        // But 'til this ideal world comes (means 'til we do never have any refcount/lifetime bugs anymore), we
+        // need to listen for disposal and reset our weak reference then.
+    }
+
+    return xCurrentContext;
+}
+
+void SAL_CALL UnoControl::addModeChangeListener( const Reference< XModeChangeListener >& _rxListener )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+    maModeChangeListeners.addInterface( _rxListener );
+}
+
+void SAL_CALL UnoControl::removeModeChangeListener( const Reference< XModeChangeListener >& _rxListener )
+{
+    ::osl::MutexGuard aGuard( GetMutex() );
+    maModeChangeListeners.removeInterface( _rxListener );
+}
+
+void SAL_CALL UnoControl::addModeChangeApproveListener( const Reference< XModeChangeApproveListener >& )
+{
+    throw NoSupportException( );
+}
+
+void SAL_CALL UnoControl::removeModeChangeApproveListener( const Reference< XModeChangeApproveListener >&  )
+{
+    throw NoSupportException( );
+}
+
+
+awt::Point SAL_CALL UnoControl::convertPointToLogic( const awt::Point& i_Point, ::sal_Int16 i_TargetUnit )
+{
+    Reference< XUnitConversion > xPeerConversion;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerConversion.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerConversion.is() )
+        return xPeerConversion->convertPointToLogic( i_Point, i_TargetUnit );
+    return awt::Point( );
+}
+
+
+awt::Point SAL_CALL UnoControl::convertPointToPixel( const awt::Point& i_Point, ::sal_Int16 i_SourceUnit )
+{
+    Reference< XUnitConversion > xPeerConversion;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerConversion.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerConversion.is() )
+        return xPeerConversion->convertPointToPixel( i_Point, i_SourceUnit );
+    return awt::Point( );
+}
+
+
+awt::Size SAL_CALL UnoControl::convertSizeToLogic( const awt::Size& i_Size, ::sal_Int16 i_TargetUnit )
+{
+    Reference< XUnitConversion > xPeerConversion;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerConversion.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerConversion.is() )
+        return xPeerConversion->convertSizeToLogic( i_Size, i_TargetUnit );
+    return awt::Size( );
+}
+
+
+awt::Size SAL_CALL UnoControl::convertSizeToPixel( const awt::Size& i_Size, ::sal_Int16 i_SourceUnit )
+{
+    Reference< XUnitConversion > xPeerConversion;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerConversion.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerConversion.is() )
+        return xPeerConversion->convertSizeToPixel( i_Size, i_SourceUnit );
+    return awt::Size( );
+}
+
+
+uno::Reference< awt::XStyleSettings > SAL_CALL UnoControl::getStyleSettings()
+{
+    Reference< awt::XStyleSettingsSupplier > xPeerSupplier;
+    {
+        ::osl::MutexGuard aGuard( GetMutex() );
+        xPeerSupplier.set(getPeer(), css::uno::UNO_QUERY);
+    }
+    if ( xPeerSupplier.is() )
+        return xPeerSupplier->getStyleSettings();
+    return nullptr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */