306 lines
10 KiB
C++
306 lines
10 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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#ifndef _ACCMAP_HXX
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#define _ACCMAP_HXX
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#include <cppuhelper/weakref.hxx>
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#include <com/sun/star/accessibility/XAccessible.hpp>
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#include <rtl/ref.hxx>
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#include <osl/mutex.hxx>
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#include <svx/IAccessibleViewForwarder.hxx>
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#include <svx/IAccessibleParent.hxx>
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#include <tools/debug.hxx>
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#include <tools/fract.hxx>
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#include <vector>
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class ViewShell;
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class Rectangle;
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class SwFrm;
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class SwTxtFrm;
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class SwPageFrm;
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class SwAccessibleContext;
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class SwAccessibleContextMap_Impl;
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class SwAccessibleEventList_Impl;
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class SwAccessibleEventMap_Impl;
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class SwShapeList_Impl;
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class SdrObject;
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namespace accessibility {
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class AccessibleShape;
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}
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class SwAccessibleShapeMap_Impl;
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struct SwAccessibleEvent_Impl;
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class SwAccessibleSelectedParas_Impl;
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class SwRect;
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class MapMode;
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class SwAccPreviewData;
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struct PrevwPage;
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class Window;
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// real states for events
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#define ACC_STATE_EDITABLE 0x01
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#define ACC_STATE_OPAQUE 0x02
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// pseudo states for events
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#define ACC_STATE_TEXT_ATTRIBUTE_CHANGED 0x0200
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#define ACC_STATE_TEXT_SELECTION_CHANGED 0x0100
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#define ACC_STATE_CARET 0x80
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#define ACC_STATE_RELATION_FROM 0x40
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#define ACC_STATE_RELATION_TO 0x20
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#define ACC_STATE_RELATION_MASK 0x60
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#define ACC_STATE_MASK 0x1F
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typedef sal_uInt16 tAccessibleStates;
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class SwAccessibleMap : public accessibility::IAccessibleViewForwarder,
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public accessibility::IAccessibleParent
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{
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mutable ::osl::Mutex maMutex;
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::osl::Mutex maEventMutex;
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SwAccessibleContextMap_Impl *mpFrmMap;
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SwAccessibleShapeMap_Impl *mpShapeMap;
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SwShapeList_Impl *mpShapes;
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SwAccessibleEventList_Impl *mpEvents;
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SwAccessibleEventMap_Impl *mpEventMap;
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// #i27301 data structure to keep information about
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// accessible paragraph, which have a selection.
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SwAccessibleSelectedParas_Impl* mpSelectedParas;
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ViewShell *mpVSh;
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/// for page preview: store preview data, VisArea, and mapping of
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/// preview-to-display coordinates
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SwAccPreviewData* mpPreview;
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::com::sun::star::uno::WeakReference < ::com::sun::star::accessibility::XAccessible > mxCursorContext;
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sal_Int32 mnPara;
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sal_Int32 mnFootnote;
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sal_Int32 mnEndnote;
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sal_Bool mbShapeSelected;
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void FireEvent( const SwAccessibleEvent_Impl& rEvent );
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void AppendEvent( const SwAccessibleEvent_Impl& rEvent );
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void InvalidateCursorPosition(
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const ::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible>& rAcc );
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void DoInvalidateShapeSelection();
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void DoInvalidateShapeFocus();
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void InvalidateShapeSelection();
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void _InvalidateRelationSet( const SwFrm* pFrm, sal_Bool bFrom );
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::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible>
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_GetDocumentView( sal_Bool bPagePreview );
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/** method to build up a new data structure of the accessible pararaphs,
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which have a selection
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Important note: method has to used inside a mutual exclusive section
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@author OD
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*/
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SwAccessibleSelectedParas_Impl* _BuildSelectedParas();
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public:
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SwAccessibleMap( ViewShell *pSh );
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~SwAccessibleMap();
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::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible> GetDocumentView();
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::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible> GetDocumentPreview(
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const std::vector<PrevwPage*>& _rPrevwPages,
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const Fraction& _rScale,
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const SwPageFrm* _pSelectedPageFrm,
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const Size& _rPrevwWinSize );
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::rtl::Reference < SwAccessibleContext > GetContextImpl(
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const SwFrm *pFrm,
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sal_Bool bCreate = sal_True );
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::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible> GetContext(
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const SwFrm *pFrm,
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sal_Bool bCreate = sal_True );
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::rtl::Reference < ::accessibility::AccessibleShape > GetContextImpl(
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const SdrObject *pObj,
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SwAccessibleContext *pParentImpl,
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sal_Bool bCreate = sal_True );
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::com::sun::star::uno::Reference<
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::com::sun::star::accessibility::XAccessible> GetContext(
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const SdrObject *pObj,
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SwAccessibleContext *pParentImpl,
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sal_Bool bCreate = sal_True );
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inline ViewShell* GetShell() const
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{
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return mpVSh;
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}
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const SwRect& GetVisArea() const;
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/** get size of a dedicated preview page
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@author OD
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@param _nPrevwPageNum
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input parameter - physical page number of page visible in the page preview
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@return an object of class <Size>
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*/
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Size GetPreViewPageSize( sal_uInt16 _nPrevwPageNum ) const;
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void RemoveContext( const SwFrm *pFrm );
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void RemoveContext( const SdrObject *pObj );
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// Dispose frame and its children if bRecursive is set
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void Dispose( const SwFrm* pFrm,
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const SdrObject* pObj,
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Window* pWindow,
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sal_Bool bRecursive = sal_False );
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void InvalidatePosOrSize( const SwFrm* pFrm,
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const SdrObject* pObj,
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Window* pWindow,
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const SwRect& rOldFrm );
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void InvalidateContent( const SwFrm *pFrm );
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void InvalidateAttr( const SwTxtFrm& rTxtFrm );
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void InvalidateCursorPosition( const SwFrm *pFrm );
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void InvalidateFocus();
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void SetCursorContext(
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const ::rtl::Reference < SwAccessibleContext >& rCursorContext );
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// Invalidate state of whole tree. If an action is open, this call
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// is processed when the last action ends.
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void InvalidateStates( tAccessibleStates _nStates,
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const SwFrm* _pFrm = 0 );
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void InvalidateRelationSet( const SwFrm* pMaster, const SwFrm* pFollow );
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/** invalidation CONTENT_FLOWS_FROM/_TO relation of a paragraph
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@author OD
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@param _rTxtFrm
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input parameter - reference to paragraph, whose CONTENT_FLOWS_FROM/_TO
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has to be invalidated.
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@param _bFrom
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input parameter - boolean indicating, if relation CONTENT_FLOWS_FROM
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(value <true>) or CONTENT_FLOWS_TO (value <false>) has to be invalidated.
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*/
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void InvalidateParaFlowRelation( const SwTxtFrm& _rTxtFrm,
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const bool _bFrom );
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/** invalidation of text selection of a paragraph
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@author OD
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*/
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void InvalidateParaTextSelection( const SwTxtFrm& _rTxtFrm );
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/** invalidation of text selection of all paragraphs
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@author OD
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*/
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void InvalidateTextSelectionOfAllParas();
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sal_Int32 GetChildIndex( const SwFrm& rParentFrm,
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Window& rChild ) const;
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// update preview data (and fire events if necessary)
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void UpdatePreview( const std::vector<PrevwPage*>& _rPrevwPages,
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const Fraction& _rScale,
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const SwPageFrm* _pSelectedPageFrm,
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const Size& _rPrevwWinSize );
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void InvalidatePreViewSelection( sal_uInt16 nSelPage );
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sal_Bool IsPageSelected( const SwPageFrm *pPageFrm ) const;
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void FireEvents();
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// IAccessibleViewForwarder
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virtual sal_Bool IsValid() const;
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virtual Rectangle GetVisibleArea() const;
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virtual Point LogicToPixel (const Point& rPoint) const;
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virtual Size LogicToPixel (const Size& rSize) const;
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virtual Point PixelToLogic (const Point& rPoint) const;
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virtual Size PixelToLogic (const Size& rSize) const;
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// IAccessibleParent
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virtual sal_Bool ReplaceChild (
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::accessibility::AccessibleShape* pCurrentChild,
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const ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape >& _rxShape,
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const long _nIndex,
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const ::accessibility::AccessibleShapeTreeInfo& _rShapeTreeInfo
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) throw (::com::sun::star::uno::RuntimeException);
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// additional Core/Pixel conversions for internal use; also works
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// for preview
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Point PixelToCore (const Point& rPoint) const;
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Rectangle CoreToPixel (const Rectangle& rRect) const;
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private:
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/** get mapping mode for LogicToPixel and PixelToLogic conversions
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Replacement method <PreviewAdjust(..)> by new method <GetMapMode>.
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Method returns mapping mode of current output device and adjusts it,
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if the shell is in page/print preview.
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Necessary, because <PreviewAdjust(..)> changes mapping mode at current
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output device for mapping logic document positions to page preview window
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positions and vice versa and doesn't take care to recover its changes.
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@author OD
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@param _rPoint
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input parameter - constant reference to point to determine the mapping
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mode adjustments for page/print preview.
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@param _orMapMode
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output parameter - reference to the mapping mode, which is determined
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by the method
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*/
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void GetMapMode( const Point& _rPoint,
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MapMode& _orMapMode ) const;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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