280 lines
9 KiB
C++
280 lines
9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "vcl/svapp.hxx"
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#include "vcl/window.hxx"
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#include "vcl/toolbox.hxx"
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#include "vcl/menu.hxx"
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#include "aqua/aqua11yfocustracker.hxx"
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#include "documentfocuslistener.hxx"
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#include <com/sun/star/accessibility/XAccessibleContext.hpp>
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#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
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#include <com/sun/star/accessibility/XAccessibleStateSet.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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using namespace ::com::sun::star::accessibility;
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using namespace ::com::sun::star::uno;
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//------------------------------------------------------------------------------
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static inline Window *
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getWindow(const ::VclSimpleEvent *pEvent)
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{
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return static_cast< const ::VclWindowEvent *> (pEvent)->GetWindow();
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}
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//------------------------------------------------------------------------------
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// callback function for Application::addEventListener
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long AquaA11yFocusTracker::WindowEventHandler(AquaA11yFocusTracker *pFocusTracker, ::VclSimpleEvent const *pEvent)
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{
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switch (pEvent->GetId())
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{
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case VCLEVENT_WINDOW_PAINT:
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pFocusTracker-> toolbox_open_floater( getWindow(pEvent) );
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break;
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case VCLEVENT_WINDOW_GETFOCUS:
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pFocusTracker->window_got_focus( getWindow(pEvent) );
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break;
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case VCLEVENT_OBJECT_DYING:
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pFocusTracker->m_aDocumentWindowList.erase( getWindow(pEvent) );
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// intentional pass through ..
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case VCLEVENT_TOOLBOX_HIGHLIGHTOFF:
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pFocusTracker->toolbox_highlight_off( getWindow(pEvent) );
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break;
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case VCLEVENT_TOOLBOX_HIGHLIGHT:
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pFocusTracker->toolbox_highlight_on( getWindow(pEvent) );
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break;
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case VCLEVENT_TABPAGE_ACTIVATE:
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pFocusTracker->tabpage_activated( getWindow(pEvent) );
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break;
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case VCLEVENT_MENU_HIGHLIGHT:
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pFocusTracker->menu_highlighted( static_cast < const VclMenuEvent * > (pEvent) );
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break;
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default:
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break;
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};
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return 0;
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}
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//------------------------------------------------------------------------------
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AquaA11yFocusTracker::AquaA11yFocusTracker() :
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m_aWindowEventLink(this, (PSTUB) WindowEventHandler),
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m_xDocumentFocusListener(new DocumentFocusListener(*this))
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{
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Application::AddEventListener(m_aWindowEventLink);
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window_got_focus(Application::GetFocusWindow());
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::setFocusedObject(const Reference< XAccessible >& xAccessible)
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{
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if( xAccessible != m_xFocusedObject )
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{
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m_xFocusedObject = xAccessible;
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if( m_aFocusListener.is() )
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m_aFocusListener->focusedObjectChanged(xAccessible);
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}
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::notify_toolbox_item_focus(ToolBox *pToolBox)
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{
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Reference< XAccessible > xAccessible( pToolBox->GetAccessible() );
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if( xAccessible.is() )
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{
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Reference< XAccessibleContext > xContext(xAccessible->getAccessibleContext());
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if( xContext.is() )
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{
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sal_Int32 nPos = pToolBox->GetItemPos( pToolBox->GetHighlightItemId() );
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if( nPos != TOOLBOX_ITEM_NOTFOUND )
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setFocusedObject( xContext->getAccessibleChild( nPos ) );
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}
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}
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::toolbox_open_floater(Window *pWindow)
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{
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bool bToolboxFound = false;
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bool bFloatingWindowFound = false;
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Window * pFloatingWindow = NULL;
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while ( pWindow != NULL ) {
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if ( pWindow->GetType() == WINDOW_TOOLBOX ) {
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bToolboxFound = true;
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} else if ( pWindow->GetType() == WINDOW_FLOATINGWINDOW ) {
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bFloatingWindowFound = true;
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pFloatingWindow = pWindow;
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}
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pWindow = pWindow->GetParent();
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}
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if ( bToolboxFound && bFloatingWindowFound ) {
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Reference < XAccessible > rxAccessible = pFloatingWindow -> GetAccessible();
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if ( ! rxAccessible.is() ) {
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return;
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}
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Reference < XAccessibleContext > rxContext = rxAccessible -> getAccessibleContext();
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if ( ! rxContext.is() ) {
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return;
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}
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if ( rxContext -> getAccessibleChildCount() > 0 ) {
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Reference < XAccessible > rxAccessibleChild = rxContext -> getAccessibleChild( 0 );
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if ( ! rxAccessibleChild.is() ) {
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return;
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}
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setFocusedObject ( rxAccessibleChild );
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}
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}
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::toolbox_highlight_on(Window *pWindow)
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{
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// Make sure either the toolbox or its parent toolbox has the focus
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if ( ! pWindow->HasFocus() )
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{
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ToolBox* pToolBoxParent = dynamic_cast< ToolBox * >( pWindow->GetParent() );
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if ( ! pToolBoxParent || ! pToolBoxParent->HasFocus() )
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return;
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}
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notify_toolbox_item_focus(static_cast <ToolBox *> (pWindow));
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::toolbox_highlight_off(Window *pWindow)
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{
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ToolBox* pToolBoxParent = dynamic_cast< ToolBox * >( pWindow->GetParent() );
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// Notify when leaving sub toolboxes
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if( pToolBoxParent && pToolBoxParent->HasFocus() )
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notify_toolbox_item_focus( pToolBoxParent );
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::tabpage_activated(Window *pWindow)
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{
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Reference< XAccessible > xAccessible( pWindow->GetAccessible() );
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if( xAccessible.is() )
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{
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Reference< XAccessibleSelection > xSelection(xAccessible->getAccessibleContext(), UNO_QUERY);
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if( xSelection.is() )
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setFocusedObject( xSelection->getSelectedAccessibleChild(0) );
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}
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::menu_highlighted(const VclMenuEvent *pEvent)
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{
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Menu * pMenu = pEvent->GetMenu();
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if( pMenu )
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{
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Reference< XAccessible > xAccessible( pMenu->GetAccessible() );
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if( xAccessible.is() )
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setFocusedObject( xAccessible );
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}
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}
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//------------------------------------------------------------------------------
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void AquaA11yFocusTracker::window_got_focus(Window *pWindow)
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{
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// The menu bar is handled through VCLEVENT_MENU_HIGHLIGHTED
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if( ! pWindow || !pWindow->IsReallyVisible() || pWindow->GetType() == WINDOW_MENUBARWINDOW )
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return;
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// ToolBoxes are handled through VCLEVENT_TOOLBOX_HIGHLIGHT
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if( pWindow->GetType() == WINDOW_TOOLBOX )
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return;
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if( pWindow->GetType() == WINDOW_TABCONTROL )
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{
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tabpage_activated( pWindow );
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return;
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}
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Reference< XAccessible > xAccessible(pWindow->GetAccessible());
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if( ! xAccessible.is() )
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return;
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Reference< XAccessibleContext > xContext = xAccessible->getAccessibleContext();
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if( ! xContext.is() )
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return;
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Reference< XAccessibleStateSet > xStateSet = xContext->getAccessibleStateSet();
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if( ! xStateSet.is() )
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return;
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/* the UNO ToolBox wrapper does not (yet?) support XAccessibleSelection, so we
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* need to add listeners to the children instead of re-using the tabpage stuff
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*/
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if( xStateSet->contains(AccessibleStateType::FOCUSED) && (pWindow->GetType() != WINDOW_TREELISTBOX) )
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{
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setFocusedObject( xAccessible );
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}
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else
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{
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if( m_aDocumentWindowList.find(pWindow) == m_aDocumentWindowList.end() )
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{
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m_aDocumentWindowList.insert(pWindow);
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m_xDocumentFocusListener->attachRecursive(xAccessible, xContext, xStateSet);
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}
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#ifdef ENABLE_TRACING
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else
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fprintf(stderr, "Window %p already in the list\n", pWindow );
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#endif
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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