599 lines
22 KiB
C++
599 lines
22 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/accessiblelistbox.hxx>
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#include <accessibility/extended/accessiblelistboxentry.hxx>
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#include <svtools/treelistbox.hxx>
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#include <svtools/treelistentry.hxx>
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#include <com/sun/star/awt/Point.hpp>
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#include <com/sun/star/awt/Rectangle.hpp>
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#include <com/sun/star/awt/Size.hpp>
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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 <cppuhelper/supportsservice.hxx>
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#include <vcl/svapp.hxx>
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#include <toolkit/awt/vclxwindow.hxx>
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#include <toolkit/helper/convert.hxx>
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#include <unotools/accessiblestatesethelper.hxx>
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namespace accessibility
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{
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// class AccessibleListBox -----------------------------------------------------
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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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AccessibleListBox::AccessibleListBox( SvTreeListBox& _rListBox, const Reference< XAccessible >& _xParent ) :
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VCLXAccessibleComponent( _rListBox.GetWindowPeer() ),
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m_xParent( _xParent )
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{
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}
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AccessibleListBox::~AccessibleListBox()
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{
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if ( isAlive() )
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{
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// increment ref count to prevent double call of Dtor
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osl_atomic_increment( &m_refCount );
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dispose();
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}
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}
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IMPLEMENT_FORWARD_XINTERFACE2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
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IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
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void AccessibleListBox::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_CHECKBOX_TOGGLE :
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{
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if ( !getListBox() || !getListBox()->HasFocus() )
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{
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return;
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}
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AccessibleListBoxEntry* pCurOpEntry = GetCurEventEntry(rVclWindowEvent);
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if(!pCurOpEntry)
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{
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return ;
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}
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uno::Any aValue;
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aValue <<= AccessibleStateType::CHECKED;
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if ( getListBox()->GetCheckButtonState( pCurOpEntry->GetSvLBoxEntry() ) == SV_BUTTON_CHECKED )
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{
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pCurOpEntry->NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, uno::Any(), aValue );
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}
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else
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{
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pCurOpEntry->NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aValue,uno::Any() );
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}
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break;
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}
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case VCLEVENT_LISTBOX_SELECT :
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{
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OSL_FAIL("Debug: Treelist shouldn't use VCLEVENT_LISTBOX_SELECT");
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break;
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}
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case VCLEVENT_LISTBOX_TREESELECT:
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{
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if ( getListBox() && getListBox()->HasFocus() )
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{
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AccessibleListBoxEntry* pEntry =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
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if (pEntry)
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{
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pEntry->NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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}
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}
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}
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break;
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case VCLEVENT_LISTBOX_TREEFOCUS:
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{
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SvTreeListBox* pBox = getListBox();
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bool bNeedFocus = false;
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if (pBox)
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{
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vcl::Window* pParent = static_cast<vcl::Window*>(pBox)->GetParent();
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if (pParent && pParent->GetType() == WINDOW_FLOATINGWINDOW)
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{
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// MT: ImplGetAppSVData shouldn't be exported from VCL.
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// In which scenario is this needed?
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// If needed, we need to find an other solution
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/*
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ImplSVData* pSVData = ImplGetAppSVData();
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if (pSVData && pSVData->maWinData.mpFirstFloat == (FloatingWindow*)pParent)
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bNeedFocus = true;
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*/
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}
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}
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if( pBox && (pBox->HasFocus() || bNeedFocus) )
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{
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uno::Any aOldValue, aNewValue;
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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AccessibleListBoxEntry* pEntryFocus =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
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if (pEntryFocus && pEntryFocus->GetSvLBoxEntry() == pEntry)
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{
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aOldValue <<= uno::Any();
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aNewValue <<= m_xFocusedChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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return ;
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}
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aOldValue <<= m_xFocusedChild;
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MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
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if(mi != m_mapEntry.end())
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{
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OSL_ASSERT(mi->second.get() != NULL);
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m_xFocusedChild = mi->second;
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}
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else
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{
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AccessibleListBoxEntry *pEntNew = new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
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m_xFocusedChild = pEntNew;
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m_mapEntry.insert(MAP_ENTRY::value_type(pEntry,pEntNew));
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}
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aNewValue <<= m_xFocusedChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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}
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else
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{
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aOldValue <<= uno::Any();
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aNewValue <<= AccessibleStateType::FOCUSED;
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NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
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}
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}
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}
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break;
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case VCLEVENT_LISTBOX_ITEMREMOVED:
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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RemoveChildEntries(pEntry);
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}
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else
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{
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// NULL means Clear()
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MAP_ENTRY::iterator mi = m_mapEntry.begin();
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for ( ; mi != m_mapEntry.end() ; ++mi)
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{
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uno::Any aNewValue;
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uno::Any aOldValue;
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aOldValue <<= mi->second;
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NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
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}
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m_mapEntry.clear();
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}
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}
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break;
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// #i92103#
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case VCLEVENT_ITEM_EXPANDED :
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case VCLEVENT_ITEM_COLLAPSED :
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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AccessibleListBoxEntry* pAccListBoxEntry =
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new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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Reference< XAccessible > xChild = pAccListBoxEntry;
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const short nAccEvent =
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( rVclWindowEvent.GetId() == VCLEVENT_ITEM_EXPANDED )
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? AccessibleEventId::LISTBOX_ENTRY_EXPANDED
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: AccessibleEventId::LISTBOX_ENTRY_COLLAPSED;
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uno::Any aListBoxEntry;
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aListBoxEntry <<= xChild;
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NotifyAccessibleEvent( nAccEvent, Any(), aListBoxEntry );
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if ( getListBox() && getListBox()->HasFocus() )
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{
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, Any(), aListBoxEntry );
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}
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}
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}
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break;
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default:
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VCLXAccessibleComponent::ProcessWindowEvent (rVclWindowEvent);
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}
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}
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}
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AccessibleListBoxEntry* AccessibleListBox::GetCurEventEntry( const VclWindowEvent& rVclWindowEvent )
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{
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SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() );
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if ( !pEntry )
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pEntry = getListBox()->GetCurEntry();
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AccessibleListBoxEntry* pEntryFocus =static_cast< AccessibleListBoxEntry* >(m_xFocusedChild.get());
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if (pEntryFocus && pEntry && pEntry != pEntryFocus->GetSvLBoxEntry())
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{
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AccessibleListBoxEntry *pAccCurOptionEntry =NULL;
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MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
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if (mi != m_mapEntry.end())
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{
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pAccCurOptionEntry= static_cast< AccessibleListBoxEntry* >(mi->second.get());
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}
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else
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{
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pAccCurOptionEntry =new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
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std::pair<MAP_ENTRY::iterator, bool> pairMi = m_mapEntry.insert(MAP_ENTRY::value_type(pAccCurOptionEntry->GetSvLBoxEntry(),pAccCurOptionEntry));
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mi = pairMi.first;
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}
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uno::Any aNewValue;
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aNewValue <<= mi->second;//xAcc
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NotifyAccessibleEvent( AccessibleEventId::CHILD, uno::Any(), aNewValue );//Add
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return pAccCurOptionEntry;
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}
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else
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{
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return pEntryFocus;
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}
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}
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void AccessibleListBox::RemoveChildEntries(SvTreeListEntry* pEntry)
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{
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MAP_ENTRY::iterator mi = m_mapEntry.find(pEntry);
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if ( mi != m_mapEntry.end() )
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{
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uno::Any aNewValue;
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uno::Any aOldValue;
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aOldValue <<= mi->second;
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NotifyAccessibleEvent( AccessibleEventId::CHILD, aOldValue, aNewValue );
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m_mapEntry.erase(mi);
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}
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SvTreeListBox* pBox = getListBox();
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SvTreeListEntry* pEntryChild = pBox->FirstChild(pEntry);
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while (pEntryChild)
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{
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RemoveChildEntries(pEntryChild);
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pEntryChild = SvTreeListBox::NextSibling(pEntryChild);
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}
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}
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void AccessibleListBox::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
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{
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switch ( rVclWindowEvent.GetId() )
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{
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case VCLEVENT_WINDOW_SHOW:
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case VCLEVENT_WINDOW_HIDE:
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{
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}
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break;
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default:
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{
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VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
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}
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break;
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}
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}
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// XComponent
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void SAL_CALL AccessibleListBox::disposing()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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m_mapEntry.clear();
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VCLXAccessibleComponent::disposing();
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m_xParent = NULL;
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}
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// XServiceInfo
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OUString SAL_CALL AccessibleListBox::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 AccessibleListBox::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 AccessibleListBox::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 > AccessibleListBox::getSupportedServiceNames_Static() 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.AccessibleTreeListBox";
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return aSupported;
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}
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OUString AccessibleListBox::getImplementationName_Static() throw( RuntimeException )
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{
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return OUString( "com.sun.star.comp.svtools.AccessibleTreeListBox" );
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}
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// XAccessible
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Reference< XAccessibleContext > SAL_CALL AccessibleListBox::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 AccessibleListBox::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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sal_Int32 nCount = 0;
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SvTreeListBox* pSvTreeListBox = getListBox();
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if ( pSvTreeListBox )
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nCount = pSvTreeListBox->GetLevelChildCount( NULL );
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return nCount;
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}
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Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleChild( sal_Int32 i ) 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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SvTreeListEntry* pEntry = getListBox()->GetEntry(i);
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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// Solution: Set the parameter of the parent to null to let entry determine the parent by itself
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//return new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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return new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
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}
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Reference< XAccessible > SAL_CALL AccessibleListBox::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_Int32 AccessibleListBox::GetRoleType()
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{
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sal_Int32 nCase = 0;
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SvTreeListEntry* pEntry = getListBox()->GetEntry(0);
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if ( pEntry )
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{
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if( pEntry->HasChildrenOnDemand() || getListBox()->GetChildCount(pEntry) > 0 )
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{
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nCase = 1;
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return nCase;
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}
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}
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bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
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if( !(getListBox()->GetTreeFlags() & SvTreeFlags::CHKBTN) )
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{
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if( bHasButtons )
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nCase = 1;
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}
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else
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{
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if( bHasButtons )
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nCase = 2;
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else
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nCase = 3;
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}
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return nCase;
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}
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sal_Int16 SAL_CALL AccessibleListBox::getAccessibleRole()
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throw (RuntimeException, std::exception)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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if(getListBox())
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{
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SvTreeAccRoleType nType = getListBox()->GetAllEntriesAccessibleRoleType();
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if( nType == SvTreeAccRoleType::TREE)
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return AccessibleRole::TREE;
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else if( nType == SvTreeAccRoleType::LIST)
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return AccessibleRole::LIST;
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}
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//o is: return AccessibleRole::TREE;
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bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
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if(!bHasButtons && (getListBox()->GetTreeFlags() & SvTreeFlags::CHKBTN))
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return AccessibleRole::LIST;
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else
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if (GetRoleType() == 0)
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return AccessibleRole::LIST;
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else
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return AccessibleRole::TREE;
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}
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OUString SAL_CALL AccessibleListBox::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 getListBox()->GetAccessibleDescription();
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}
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OUString SAL_CALL AccessibleListBox::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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return getListBox()->GetAccessibleName();
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}
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// XAccessibleSelection
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void SAL_CALL AccessibleListBox::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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SvTreeListEntry* pEntry = getListBox()->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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getListBox()->Select( pEntry, true );
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}
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sal_Bool SAL_CALL AccessibleListBox::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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SvTreeListEntry* pEntry = getListBox()->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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return getListBox()->IsSelected( pEntry );
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}
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void SAL_CALL AccessibleListBox::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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sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
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for ( sal_Int32 i = 0; i < nCount; ++i )
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{
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SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
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if ( getListBox()->IsSelected( pEntry ) )
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getListBox()->Select( pEntry, false );
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}
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}
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void SAL_CALL AccessibleListBox::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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sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
|
|
for ( sal_Int32 i = 0; i < nCount; ++i )
|
|
{
|
|
SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
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|
if ( !getListBox()->IsSelected( pEntry ) )
|
|
getListBox()->Select( pEntry, true );
|
|
}
|
|
}
|
|
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|
sal_Int32 SAL_CALL AccessibleListBox::getSelectedAccessibleChildCount( ) throw (RuntimeException, std::exception)
|
|
{
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|
::comphelper::OExternalLockGuard aGuard( this );
|
|
|
|
ensureAlive();
|
|
|
|
return getListBox()->GetSelectionCount();
|
|
}
|
|
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|
Reference< XAccessible > SAL_CALL AccessibleListBox::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
|
|
{
|
|
::comphelper::OExternalLockGuard aGuard( this );
|
|
|
|
ensureAlive();
|
|
|
|
if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
|
|
throw IndexOutOfBoundsException();
|
|
|
|
Reference< XAccessible > xChild;
|
|
sal_Int32 nSelCount= 0;
|
|
sal_Int32 nCount = getListBox()->GetLevelChildCount( NULL );
|
|
for ( sal_Int32 i = 0; i < nCount; ++i )
|
|
{
|
|
SvTreeListEntry* pEntry = getListBox()->GetEntry( i );
|
|
if ( getListBox()->IsSelected( pEntry ) )
|
|
++nSelCount;
|
|
|
|
if ( nSelCount == ( nSelectedChildIndex + 1 ) )
|
|
{
|
|
// Solution: Set the parameter of the parent to null to let entry determine the parent by itself
|
|
//xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
|
|
xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, NULL );
|
|
break;
|
|
}
|
|
}
|
|
|
|
return xChild;
|
|
}
|
|
|
|
void SAL_CALL AccessibleListBox::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException, std::exception)
|
|
{
|
|
::comphelper::OExternalLockGuard aGuard( this );
|
|
|
|
ensureAlive();
|
|
|
|
SvTreeListEntry* pEntry = getListBox()->GetEntry( nSelectedChildIndex );
|
|
if ( !pEntry )
|
|
throw IndexOutOfBoundsException();
|
|
|
|
getListBox()->Select( pEntry, false );
|
|
}
|
|
|
|
void AccessibleListBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
|
|
{
|
|
VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
|
|
if ( getListBox() && isAlive() )
|
|
{
|
|
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
|
|
rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
|
|
if ( getListBox()->GetSelectionMode() == MULTIPLE_SELECTION )
|
|
rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
|
|
}
|
|
}
|
|
|
|
VclPtr< SvTreeListBox > AccessibleListBox::getListBox() const
|
|
{
|
|
return GetAs< SvTreeListBox >();
|
|
}
|
|
|
|
}// namespace accessibility
|
|
|
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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