379 lines
14 KiB
C++
379 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "accessibility/extended/accessibleiconchoicectrl.hxx"
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#include "accessibility/extended/accessibleiconchoicectrlentry.hxx"
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#include <svtools/ivctrl.hxx>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <unotools/accessiblestatesethelper.hxx>
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#include <vcl/svapp.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <cppuhelper/typeprovider.hxx>
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namespace accessibility
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{
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// class AccessibleIconChoiceCtrl ----------------------------------------------
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using namespace ::com::sun::star::accessibility;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star;
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// Ctor() and Dtor()
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AccessibleIconChoiceCtrl::AccessibleIconChoiceCtrl( SvtIconChoiceCtrl& _rIconCtrl, const Reference< XAccessible >& _xParent ) :
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VCLXAccessibleComponent( _rIconCtrl.GetWindowPeer() ),
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m_xParent ( _xParent )
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{
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}
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AccessibleIconChoiceCtrl::~AccessibleIconChoiceCtrl()
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{
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}
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IMPLEMENT_FORWARD_XINTERFACE2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
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IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
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void AccessibleIconChoiceCtrl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
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{
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if ( isAlive() )
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{
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switch ( rVclWindowEvent.GetId() )
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{
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case VCLEVENT_LISTBOX_SELECT :
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{
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// First send an event that tells the listeners of a
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// modified selection. The active descendant event is
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// send after that so that the receiving AT has time to
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// read the text or name of the active child.
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// NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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if ( getCtrl() && getCtrl()->HasFocus() )
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{
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SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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sal_uLong nPos = getCtrl()->GetEntryListPos( pEntry );
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Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *getCtrl(), nPos, this );
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uno::Any aOldValue, aNewValue;
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aNewValue <<= xChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, aOldValue, aNewValue );
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}
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}
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break;
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}
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case VCLEVENT_WINDOW_GETFOCUS :
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{
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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if ( pCtrl && pCtrl->HasFocus() )
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{
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SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry == NULL )
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{
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sal_uLong nPos=0;
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pEntry = getCtrl()->GetSelectedEntry ( nPos );
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}
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if ( pEntry )
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{
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sal_uLong nPos = pCtrl->GetEntryListPos( pEntry );
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Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, nPos, this );
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uno::Any aOldValue, aNewValue;
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aNewValue <<= xChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, aOldValue, aNewValue );
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}
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}
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break;
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}
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default:
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VCLXAccessibleComponent::ProcessWindowChildEvent (rVclWindowEvent);
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}
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}
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}
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// XComponent
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void SAL_CALL AccessibleIconChoiceCtrl::disposing()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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m_xParent = NULL;
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}
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// XServiceInfo
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OUString SAL_CALL AccessibleIconChoiceCtrl::getImplementationName() throw (RuntimeException, std::exception)
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{
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return getImplementationName_Static();
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}
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Sequence< OUString > SAL_CALL AccessibleIconChoiceCtrl::getSupportedServiceNames() throw (RuntimeException, std::exception)
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{
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return getSupportedServiceNames_Static();
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}
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sal_Bool SAL_CALL AccessibleIconChoiceCtrl::supportsService( const OUString& _rServiceName ) throw (RuntimeException, std::exception)
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{
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return cppu::supportsService(this, _rServiceName);
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}
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// XServiceInfo - static methods
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Sequence< OUString > AccessibleIconChoiceCtrl::getSupportedServiceNames_Static(void) throw (RuntimeException)
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{
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Sequence< OUString > aSupported(3);
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aSupported[0] = "com.sun.star.accessibility.AccessibleContext";
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aSupported[1] = "com.sun.star.accessibility.AccessibleComponent";
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aSupported[2] = "com.sun.star.awt.AccessibleIconChoiceControl";
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return aSupported;
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}
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OUString AccessibleIconChoiceCtrl::getImplementationName_Static(void) throw (RuntimeException)
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{
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return OUString( "com.sun.star.comp.svtools.AccessibleIconChoiceControl" );
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}
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// XAccessible
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Reference< XAccessibleContext > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleContext( ) throw (RuntimeException, std::exception)
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{
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ensureAlive();
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return this;
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}
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// XAccessibleContext
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sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChildCount( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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return getCtrl()->GetEntryCount();
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}
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Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChild( sal_Int32 i ) throw (RuntimeException, IndexOutOfBoundsException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry(i);
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if ( !pEntry )
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throw RuntimeException();
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return new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
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}
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Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleParent( ) throw (RuntimeException, std::exception)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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ensureAlive();
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return m_xParent;
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}
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sal_Int16 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleRole( ) throw (RuntimeException, std::exception)
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{
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//return AccessibleRole::TREE;
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return AccessibleRole::LIST;
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}
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OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleDescription( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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return getCtrl()->GetAccessibleDescription();
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}
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OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleName( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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OUString sName = getCtrl()->GetAccessibleName();
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if ( sName.isEmpty() )
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sName = "IconChoiceControl";
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return sName;
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}
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// XAccessibleSelection
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void SAL_CALL AccessibleIconChoiceCtrl::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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pCtrl->SetCursor( pEntry );
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}
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sal_Bool SAL_CALL AccessibleIconChoiceCtrl::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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return ( pCtrl->GetCursor() == pEntry );
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}
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void SAL_CALL AccessibleIconChoiceCtrl::clearAccessibleSelection( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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getCtrl()->SetNoSelection();
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}
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void SAL_CALL AccessibleIconChoiceCtrl::selectAllAccessibleChildren( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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sal_Int32 nCount = pCtrl->GetEntryCount();
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for ( sal_Int32 i = 0; i < nCount; ++i )
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{
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
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if ( pCtrl->GetCursor() != pEntry )
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pCtrl->SetCursor( pEntry );
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}
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}
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sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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sal_Int32 nSelCount = 0;
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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sal_Int32 nCount = pCtrl->GetEntryCount();
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for ( sal_Int32 i = 0; i < nCount; ++i )
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{
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
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if ( pCtrl->GetCursor() == pEntry )
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++nSelCount;
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}
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return nSelCount;
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}
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Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
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throw IndexOutOfBoundsException();
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Reference< XAccessible > xChild;
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sal_Int32 nSelCount = 0;
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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sal_Int32 nCount = pCtrl->GetEntryCount();
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for ( sal_Int32 i = 0; i < nCount; ++i )
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{
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
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if ( pCtrl->GetCursor() == pEntry )
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++nSelCount;
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if ( nSelCount == ( nSelectedChildIndex + 1 ) )
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{
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xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
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break;
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}
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}
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return xChild;
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}
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void SAL_CALL AccessibleIconChoiceCtrl::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getAccessibleChildCount() )
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throw IndexOutOfBoundsException();
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Reference< XAccessible > xChild;
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sal_Int32 nSelCount = 0;
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SvtIconChoiceCtrl* pCtrl = getCtrl();
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sal_Int32 nCount = pCtrl->GetEntryCount();
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bool bFound = false;
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for ( sal_Int32 i = 0; i < nCount; ++i )
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{
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SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
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if ( pEntry->IsSelected() )
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{
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++nSelCount;
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if ( i == nSelectedChildIndex )
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bFound = true;
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}
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}
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// if only one entry is selected and its index is chosen to deselect -> no selection anymore
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if ( 1 == nSelCount && bFound )
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pCtrl->SetNoSelection();
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}
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void AccessibleIconChoiceCtrl::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
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{
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VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
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if ( isAlive() )
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{
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rStateSet.AddState( AccessibleStateType::FOCUSABLE );
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rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
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rStateSet.AddState( AccessibleStateType::SELECTABLE );
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}
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}
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SvtIconChoiceCtrl* AccessibleIconChoiceCtrl::getCtrl()
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{
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return static_cast<SvtIconChoiceCtrl*>(GetWindow());
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}
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}// namespace accessibility
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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