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libreoffice/starmath/source/accessibility.hxx

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Accessibility implementation for Math
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/*************************************************************************
*
* $RCSfile: accessibility.hxx,v $
*
#99968# ZoomText can now read text in the commands-window
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* $Revision: 1.5 $
Accessibility implementation for Math
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*
#99968# ZoomText can now read text in the commands-window
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* last change: $Author: tl $ $Date: 2002-06-13 14:41:41 $
Accessibility implementation for Math
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*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#pragma hdrstop
#ifndef _ACCESSIBILITY_HXX_
#define _ACCESSIBILITY_HXX_
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLE_HPP_
#include <drafts/com/sun/star/accessibility/XAccessible.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLECOMPONENT_HPP_
#include <drafts/com/sun/star/accessibility/XAccessibleComponent.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLECONTEXT_HPP_
#include <drafts/com/sun/star/accessibility/XAccessibleContext.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLETEXT_HPP_
#include <drafts/com/sun/star/accessibility/XAccessibleText.hpp>
#endif
#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_XACCESSIBLEEVENTBROADCASTER_HPP_
#include <drafts/com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#endif
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#ifndef _DRAFTS_COM_SUN_STAR_ACCESSIBILITY_ACCESSIBLEEVENTID_HPP_
#include <drafts/com/sun/star/accessibility/AccessibleEventId.hpp>
#endif
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#ifndef _COM_SUN_STAR_UNO_REFERENCE_H_
#include <com/sun/star/uno/Reference.h>
#endif
#ifndef _OSL_MUTEX_HXX_
#include <osl/mutex.hxx>
#endif
#ifndef _CPPUHELPER_INTERFACECONTAINER_H_
#include <cppuhelper/interfacecontainer.h>
#endif
#ifndef _CPPUHELPER_IMPLBASE5_HXX_
#include <cppuhelper/implbase5.hxx>
#endif
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#ifndef _CPPUHELPER_IMPLBASE4_HXX_
#include <cppuhelper/implbase4.hxx>
#endif
#ifndef _SFXBRDCST_HXX
#include <svtools/brdcst.hxx>
#endif
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#include <svx/editeng.hxx>
#ifndef _SVX_UNOEDSRC_HXX
#include <svx/unoedsrc.hxx> // SvxEditSource, SvxTextForwarder, SvxViewForwarder, SvxEditViewForwarder
#endif
#ifndef _SVX_ACCESSILE_TEXT_HELPER_HXX_
#include <svx/AccessibleTextHelper.hxx>
#endif
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class Window;
class SmGraphicWindow;
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class SmEditWindow;
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class SmDocShell;
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namespace drafts { namespace com { namespace sun { namespace star { namespace accessibility {
struct AccessibleEventObject;
}}}}};
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//////////////////////////////////////////////////////////////////////
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//
// classes and helper-classes used for accessibility in the graphic-window
//
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typedef
cppu::WeakImplHelper5
<
drafts::com::sun::star::accessibility::XAccessible,
drafts::com::sun::star::accessibility::XAccessibleComponent,
drafts::com::sun::star::accessibility::XAccessibleContext,
drafts::com::sun::star::accessibility::XAccessibleText,
drafts::com::sun::star::accessibility::XAccessibleEventBroadcaster
>
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SmGraphicAccessibleBaseClass;
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class SmGraphicAccessible :
public SmGraphicAccessibleBaseClass
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{
//vos::ORefCount aRefCount; // number of references to object
cppu::OInterfaceContainerHelper aAccEventListeners;
osl::Mutex aListenerMutex;
SmGraphicWindow *pWin;
// disallow copy-ctor and assignment-operator for now
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SmGraphicAccessible( const SmGraphicAccessible & );
SmGraphicAccessible & operator = ( const SmGraphicAccessible & );
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protected:
SmDocShell * GetDoc_Impl();
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String GetAccessibleText_Impl();
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public:
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SmGraphicAccessible( SmGraphicWindow *pGraphicWin );
virtual ~SmGraphicAccessible();
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SmGraphicWindow * GetWin() { return pWin; }
void ClearWin(); // to be called when view is destroyed
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void LaunchEvent(
const sal_Int16 nAccesibleEventId,
const ::com::sun::star::uno::Any &rOldVal,
const ::com::sun::star::uno::Any &rNewVal);
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// XAccessible
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) throw (::com::sun::star::uno::RuntimeException);
// XAccessibleComponent
virtual sal_Bool SAL_CALL contains( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAt( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isShowing( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isVisible( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isFocusTraversable( ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL grabFocus( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding( ) throw (::com::sun::star::uno::RuntimeException);
// XAccessibleContext
virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getAccessibleIndexInParent( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int16 SAL_CALL getAccessibleRole( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getAccessibleDescription( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getAccessibleName( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::drafts::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);
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// XAccessibleEventBroadcaster
virtual void SAL_CALL addEventListener( const ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeEventListener( const ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
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// XAccessibleText
virtual sal_Int32 SAL_CALL getCaretPosition( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getCharacterCount( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getIndexAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getSelectedText( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getSelectionStart( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getSelectionEnd( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getText( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
};
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//////////////////////////////////////////////////////////////////////
//
// classes and helper-classes used for accessibility in the command-window
//
class SmEditSource;
class EditEngine;
class EditView;
class SvxFieldItem;
struct ESelection;
class SmViewForwarder :
public SvxViewForwarder
{
EditView & rEditView;
// disallow copy-ctor and assignment-operator for now
SmViewForwarder( const SmViewForwarder & );
SmViewForwarder & operator = ( const SmViewForwarder & );
public:
SmViewForwarder( EditView &rView );
virtual ~SmViewForwarder();
virtual BOOL IsValid() const;
virtual Rectangle GetVisArea() const;
virtual Point LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const;
virtual Point PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const;
};
class SmTextForwarder : /* analog to SvxEditEngineForwarder */
public SvxTextForwarder
{
EditEngine & rEditEngine;
SmEditSource & rEditSource;
DECL_LINK( NotifyHdl, EENotify * );
// disallow copy-ctor and assignment-operator for now
SmTextForwarder( const SmTextForwarder & );
SmTextForwarder & operator = ( const SmTextForwarder & );
public:
SmTextForwarder( EditEngine& rEngine, SmEditSource & rSource );
virtual ~SmTextForwarder();
virtual USHORT GetParagraphCount() const;
virtual USHORT GetTextLen( USHORT nParagraph ) const;
virtual String GetText( const ESelection& rSel ) const;
virtual SfxItemSet GetAttribs( const ESelection& rSel, BOOL bOnlyHardAttrib = EditEngineAttribs_All ) const;
virtual SfxItemSet GetParaAttribs( USHORT nPara ) const;
virtual void SetParaAttribs( USHORT nPara, const SfxItemSet& rSet );
virtual void GetPortions( USHORT nPara, SvUShorts& rList ) const;
virtual USHORT GetItemState( const ESelection& rSel, USHORT nWhich ) const;
virtual USHORT GetItemState( USHORT nPara, USHORT nWhich ) const;
virtual void QuickInsertText( const String& rText, const ESelection& rSel );
virtual void QuickInsertField( const SvxFieldItem& rFld, const ESelection& rSel );
virtual void QuickSetAttribs( const SfxItemSet& rSet, const ESelection& rSel );
virtual void QuickInsertLineBreak( const ESelection& rSel );
virtual SfxItemPool* GetPool() const;
virtual XubString CalcFieldValue( const SvxFieldItem& rField, USHORT nPara, USHORT nPos, Color*& rpTxtColor, Color*& rpFldColor );
virtual BOOL IsValid() const;
virtual LanguageType GetLanguage( USHORT, USHORT ) const;
virtual USHORT GetFieldCount( USHORT nPara ) const;
virtual EFieldInfo GetFieldInfo( USHORT nPara, USHORT nField ) const;
virtual EBulletInfo GetBulletInfo( USHORT nPara ) const;
virtual Rectangle GetCharBounds( USHORT nPara, USHORT nIndex ) const;
virtual Rectangle GetParaBounds( USHORT nPara ) const;
virtual MapMode GetMapMode() const;
virtual OutputDevice* GetRefDevice() const;
virtual sal_Bool GetIndexAtPoint( const Point&, USHORT& nPara, USHORT& nIndex ) const;
virtual sal_Bool GetWordIndices( USHORT nPara, USHORT nIndex, USHORT& nStart, USHORT& nEnd ) const;
virtual USHORT GetLineCount( USHORT nPara ) const;
virtual USHORT GetLineLen( USHORT nPara, USHORT nLine ) const;
virtual sal_Bool Delete( const ESelection& );
virtual sal_Bool InsertText( const String&, const ESelection& );
virtual sal_Bool QuickFormatDoc( BOOL bFull=FALSE );
};
class SmEditViewForwarder : /* analog to SvxEditEngineViewForwarder */
public SvxEditViewForwarder
{
EditView & rEditView;
// disallow copy-ctor and assignment-operator for now
SmEditViewForwarder( const SmEditViewForwarder & );
SmEditViewForwarder & operator = ( const SmEditViewForwarder & );
public:
SmEditViewForwarder( EditView& rView );
virtual ~SmEditViewForwarder();
virtual BOOL IsValid() const;
virtual Rectangle GetVisArea() const;
virtual Point LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const;
virtual Point PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const;
virtual sal_Bool GetSelection( ESelection& rSelection ) const;
virtual sal_Bool SetSelection( const ESelection& rSelection );
virtual sal_Bool Copy();
virtual sal_Bool Cut();
virtual sal_Bool Paste();
};
class SmEditSource :
public SvxEditSource
{
SfxBroadcaster aBroadCaster;
SmViewForwarder aViewFwd;
SmTextForwarder aTextFwd;
SmEditViewForwarder aEditViewFwd;
EditEngine & rEditEngine;
EditView & rEditView;
// disallow copy-ctor and assignment-operator for now
SmEditSource( const SmEditSource &rSrc );
SmEditSource & operator = ( const SmEditSource & );
public:
SmEditSource( SmEditWindow *pWin, EditEngine &rEditEngine, EditView &rEditView );
virtual ~SmEditSource();
virtual SvxEditSource* Clone() const;
virtual SvxTextForwarder* GetTextForwarder();
virtual SvxViewForwarder* GetViewForwarder();
virtual SvxEditViewForwarder* GetEditViewForwarder( sal_Bool bCreate = sal_False );
virtual void UpdateData();
virtual SfxBroadcaster& GetBroadcaster() const;
};
typedef
cppu::WeakImplHelper4
<
drafts::com::sun::star::accessibility::XAccessible,
drafts::com::sun::star::accessibility::XAccessibleComponent,
drafts::com::sun::star::accessibility::XAccessibleContext,
drafts::com::sun::star::accessibility::XAccessibleEventBroadcaster
>
SmEditAccessibleBaseClass;
class SmEditAccessible :
public SmEditAccessibleBaseClass
{
cppu::OInterfaceContainerHelper aAccEventListeners;
osl::Mutex aListenerMutex;
accessibility::AccessibleTextHelper *pTextHelper;
SmEditWindow *pWin;
// disallow copy-ctor and assignment-operator for now
SmEditAccessible( const SmEditAccessible & );
SmEditAccessible & operator = ( const SmEditAccessible & );
protected:
SmDocShell * GetDoc_Impl();
public:
SmEditAccessible( SmEditWindow *pEditWin );
virtual ~SmEditAccessible();
accessibility::AccessibleTextHelper * GetTextHelper() { return pTextHelper; }
void Init();
SmEditWindow * GetWin() { return pWin; }
void ClearWin(); // to be called when view is destroyed
// XAccessible
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) throw (::com::sun::star::uno::RuntimeException);
// XAccessibleComponent
virtual sal_Bool SAL_CALL contains( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAt( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Point SAL_CALL getLocation( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::awt::Size SAL_CALL getSize( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isShowing( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isVisible( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL isFocusTraversable( ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL grabFocus( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding( ) throw (::com::sun::star::uno::RuntimeException);
// XAccessibleContext
virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getAccessibleIndexInParent( ) throw (::com::sun::star::uno::RuntimeException);
virtual sal_Int16 SAL_CALL getAccessibleRole( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getAccessibleDescription( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getAccessibleName( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::lang::Locale SAL_CALL getLocale( ) throw (::drafts::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);
// XAccessibleEventBroadcaster
virtual void SAL_CALL addEventListener( const ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeEventListener( const ::com::sun::star::uno::Reference< ::drafts::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
};
//////////////////////////////////////////////////////////////////////
Accessibility implementation for Math
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#endif
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