2c2d6bb062
Virtual operator=() is IMO pointless, and especially in a class hierarchy like SdrObject it's pretty unlikely one could reasonably assign any SdrObject-based object to any other one. Moreover, it was actually only used in Clone(), which was almost never reimplemented, so the more sensible choice is to have non-virtual operator= and virtual Clone() always being reimplemented and using that. This commit also fixes various smaller or bigger, er, interesting details in the various operator= implementations.
493 lines
18 KiB
C++
493 lines
18 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 _DCONTACT_HXX
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#define _DCONTACT_HXX
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#include <svx/svdobj.hxx>
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#include <svx/svdovirt.hxx>
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#include <swtypes.hxx>
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#include <fmtanchr.hxx>
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#include <frmfmt.hxx>
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#include <list>
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#include "calbck.hxx"
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#include <anchoreddrawobject.hxx>
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class SfxPoolItem;
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class SwFrmFmt;
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class SwFlyFrmFmt;
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class SwFlyFrm;
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class SwFrm;
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class SwPageFrm;
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class SwVirtFlyDrawObj;
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class SwFmtAnchor;
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class SwFlyDrawObj;
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class SwRect;
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class SwDrawContact;
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struct SwPosition;
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class SwIndex;
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class SdrTextObj;
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// The other way round: Search format for given object.
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// If object is a SwVirtFlyDrawObj the format will be obtained from it.
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// If not it is a simple DrawObject. It has a UserCall which
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// is client of the format we are looking for.
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// Implementation in dcontact.cxx.
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SW_DLLPUBLIC SwFrmFmt *FindFrmFmt( SdrObject *pObj );
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inline const SwFrmFmt *FindFrmFmt( const SdrObject *pObj )
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{ return ::FindFrmFmt( (SdrObject*)pObj ); }
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sal_Bool HasWrap( const SdrObject* pObj );
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void setContextWritingMode( SdrObject* pObj, SwFrm* pAnchor );
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// When changes occur remove object from ContourCache.
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// Implementation in TxtFly.cxx.
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void ClrContourCache( const SdrObject *pObj );
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// Returns BoundRect plus distance.
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SwRect GetBoundRectOfAnchoredObj( const SdrObject* pObj );
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// Returns UserCall of goup object (if applicable).
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SwContact* GetUserCall( const SdrObject* );
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// Returns TRUE if the SrdObject is a Marquee object.
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sal_Bool IsMarqueeTextObj( const SdrObject& rObj );
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// Base class for the following contact objects (frame + draw objects).
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class SwContact : public SdrObjUserCall, public SwClient
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{
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// boolean, indicating destruction of contact object
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// important note: boolean has to be set at the beginning of each destructor
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// in the subclasses using method <SetInDTOR()>.
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bool mbInDTOR;
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/** method to move object to visible/invisible layer
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Implementation for the public method <MoveObjToVisibleLayer(..)>
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and <MoveObjToInvisibleLayer(..)>
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If object is in invisble respectively visible layer, its moved to
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the corresponding visible respectively invisible layers.
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For group object the members are individually moved to the corresponding
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layer, because <SdrObjGroup::GetLayer()> does return 0, if members
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aren't on the same layer as the group object, and
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<SdrObjGroup::SetLayer(..)|NbcSetLayer(..)> sets also the layer of
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the members.
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@author OD
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@param _bToVisible
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input parameter - boolean indicating, if object has to be moved to
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visible (== true) or invisible (== false) layer.
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@param _pDrawObj
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input parameter, which will be changed - drawing object, which will
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change its layer.
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*/
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void _MoveObjToLayer( const bool _bToVisible,
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SdrObject* _pDrawObj );
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protected:
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void SetInDTOR();
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public:
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TYPEINFO();
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//For reader. Only the connection is created.
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SwContact( SwFrmFmt *pToRegisterIn );
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virtual ~SwContact();
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virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const = 0;
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virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj ) = 0;
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virtual const SdrObject *GetMaster() const = 0;
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virtual SdrObject *GetMaster() = 0;
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virtual void SetMaster( SdrObject* _pNewMaster ) = 0;
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SwFrmFmt *GetFmt(){ return (SwFrmFmt*)GetRegisteredIn(); }
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const SwFrmFmt *GetFmt() const
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{ return (const SwFrmFmt*)GetRegisteredIn(); }
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bool IsInDTOR() const;
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/** method to move drawing object to corresponding visible layer
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uses method <_MoveObjToLayer(..)>
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@author OD
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@param _pDrawObj
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drawing object, which will be moved to the visible layer
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*/
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virtual void MoveObjToVisibleLayer( SdrObject* _pDrawObj );
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/** method to move drawing object to corresponding invisible layer
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uses method <_MoveObjToLayer(..)>
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@author OD
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@param _pDrawObj
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drawing object, which will be moved to the visible layer
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*/
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virtual void MoveObjToInvisibleLayer( SdrObject* _pDrawObj );
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// -------------------------------------------------------------------------
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// some virtual helper methods for information
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// about the object (Writer fly frame resp. drawing object)
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const SwFmtAnchor& GetAnchorFmt() const
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{
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OSL_ENSURE( GetFmt(),
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"<SwContact::GetAnchorFmt()> - no frame format -> crash" );
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return GetFmt()->GetAnchor();
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}
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RndStdIds GetAnchorId() const { return GetAnchorFmt().GetAnchorId(); }
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bool ObjAnchoredAtPage() const { return GetAnchorId() == FLY_AT_PAGE; }
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bool ObjAnchoredAtFly() const { return GetAnchorId() == FLY_AT_FLY; }
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bool ObjAnchoredAtPara() const { return GetAnchorId() == FLY_AT_PARA; }
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bool ObjAnchoredAtChar() const { return GetAnchorId() == FLY_AT_CHAR; }
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bool ObjAnchoredAsChar() const { return GetAnchorId() == FLY_AS_CHAR; }
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const SwPosition& GetCntntAnchor() const
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{
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OSL_ENSURE( GetAnchorFmt().GetCntntAnchor(),
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"<SwContact::GetCntntAnchor()> - no content anchor -> crash" );
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return *(GetAnchorFmt().GetCntntAnchor());
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}
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const SwIndex& GetCntntAnchorIndex() const;
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// -------------------------------------------------------------------------
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/** get data collection of anchored objects, handled by with contact
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*/
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virtual void GetAnchoredObjs( std::list<SwAnchoredObject*>& _roAnchoredObjs ) const = 0;
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/** get minimum order number of anchored objects handled by with contact
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*/
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sal_uInt32 GetMinOrdNum() const;
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/** get maximum order number of anchored objects handled by with contact
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*/
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sal_uInt32 GetMaxOrdNum() const;
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};
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// ContactObject for connection between frames (or their formats respectively)
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// in SwClient and the drawobjects of Drawing (DsrObjUserCall).
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class SW_DLLPUBLIC SwFlyDrawContact : public SwContact
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{
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private:
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SwFlyDrawObj* mpMasterObj;
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protected:
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// virtuelle Methoden von SwClient
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virtual void Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew );
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public:
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TYPEINFO();
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// Creates DrawObject and registers it with the Model.
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SwFlyDrawContact( SwFlyFrmFmt* pToRegisterIn, SdrModel* pMod );
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virtual ~SwFlyDrawContact();
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virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const;
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virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj );
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virtual const SdrObject* GetMaster() const;
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virtual SdrObject* GetMaster();
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virtual void SetMaster( SdrObject* _pNewMaster );
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// override methods to control Writer fly frames,
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// which are linked, and to assure that all objects anchored at/inside the
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// Writer fly frame are also made visible/invisible.
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virtual void MoveObjToVisibleLayer( SdrObject* _pDrawObj );
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virtual void MoveObjToInvisibleLayer( SdrObject* _pDrawObj );
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/** get data collection of anchored objects handled by with contact
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*/
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virtual void GetAnchoredObjs( std::list<SwAnchoredObject*>& _roAnchoredObjs ) const;
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};
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// new class for re-direct methods calls at a 'virtual'
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// drawing object to its referenced object.
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class SwDrawVirtObj : public SdrVirtObj
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{
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private:
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// data for connection to writer layout
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// anchored drawing object instance for the
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// 'virtual' drawing object
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SwAnchoredDrawObject maAnchoredDrawObj;
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// writer-drawing contact object the 'virtual' drawing object is controlled by.
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// This object is also the <UserCall> of the drawing object, if it's
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// inserted into the drawing layer.
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SwDrawContact& mrDrawContact;
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using SdrVirtObj::GetPlusHdl;
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protected:
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// AW: Need own sdr::contact::ViewContact since AnchorPos from parent is
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// not used but something own (top left of new SnapRect minus top left
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// of original SnapRect)
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virtual sdr::contact::ViewContact* CreateObjectSpecificViewContact();
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public:
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TYPEINFO();
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SwDrawVirtObj( SdrObject& _rNewObj,
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SwDrawContact& _rDrawContact );
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virtual ~SwDrawVirtObj();
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// access to offset
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virtual const Point GetOffset() const;
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virtual SwDrawVirtObj* Clone() const;
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SwDrawVirtObj& operator= (const SwDrawVirtObj& rObj);
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// connection to writer layout
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const SwAnchoredObject* GetAnchoredObj() const;
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SwAnchoredObject* AnchoredObj();
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const SwFrm* GetAnchorFrm() const;
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SwFrm* AnchorFrm();
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void RemoveFromWriterLayout();
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// connection to drawing layer
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void AddToDrawingPage();
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void RemoveFromDrawingPage();
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// is 'virtual' drawing object connected to writer layout and
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// to drawing layer.
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bool IsConnected() const;
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virtual void NbcSetAnchorPos(const Point& rPnt);
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// All overloaded methods which need to use the offset
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virtual void RecalcBoundRect();
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virtual ::basegfx::B2DPolyPolygon TakeXorPoly() const;
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virtual ::basegfx::B2DPolyPolygon TakeContour() const;
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virtual SdrHdl* GetHdl(sal_uInt32 nHdlNum) const;
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virtual SdrHdl* GetPlusHdl(const SdrHdl& rHdl, sal_uInt16 nPlNum) const;
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virtual void NbcMove(const Size& rSiz);
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virtual void NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact);
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virtual void NbcRotate(const Point& rRef, long nWink, double sn, double cs);
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virtual void NbcMirror(const Point& rRef1, const Point& rRef2);
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virtual void NbcShear(const Point& rRef, long nWink, double tn, bool bVShear);
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virtual void Move(const Size& rSiz);
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virtual void Resize(const Point& rRef, const Fraction& xFact, const Fraction& yFact);
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virtual void Rotate(const Point& rRef, long nWink, double sn, double cs);
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virtual void Mirror(const Point& rRef1, const Point& rRef2);
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virtual void Shear(const Point& rRef, long nWink, double tn, bool bVShear);
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virtual void RecalcSnapRect();
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virtual const Rectangle& GetSnapRect() const;
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virtual void SetSnapRect(const Rectangle& rRect);
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virtual void NbcSetSnapRect(const Rectangle& rRect);
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virtual const Rectangle& GetLogicRect() const;
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virtual void SetLogicRect(const Rectangle& rRect);
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virtual void NbcSetLogicRect(const Rectangle& rRect);
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virtual Point GetSnapPoint(sal_uInt32 i) const;
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virtual Point GetPoint(sal_uInt32 i) const;
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virtual void NbcSetPoint(const Point& rPnt, sal_uInt32 i);
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virtual bool HasTextEdit() const;
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virtual SdrLayerID GetLayer() const;
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virtual void NbcSetLayer(SdrLayerID nLayer);
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virtual void SetLayer(SdrLayerID nLayer);
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// FullDrag support
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virtual bool supportsFullDrag() const;
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virtual SdrObject* getFullDragClone() const;
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virtual void SetBoundRectDirty();
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virtual const Rectangle& GetCurrentBoundRect() const;
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virtual const Rectangle& GetLastBoundRect() const;
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};
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bool CheckControlLayer( const SdrObject *pObj );
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// ContactObject for connection of formats as representatives of draw objects
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// in SwClient and the objects themselves in Drawing (SDrObjUserCall).
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class NestedUserCallHdl;
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class SwDrawContact : public SwContact
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{
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private:
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// anchored drawing object instance for the
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// 'master' drawing object
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SwAnchoredDrawObject maAnchoredDrawObj;
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// data structure for collecting 'virtual'
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// drawing object supporting drawing objects in headers/footers.
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std::list<SwDrawVirtObj*> maDrawVirtObjs;
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// boolean indicating set 'master' drawing
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// object has been cleared.
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bool mbMasterObjCleared : 1;
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// internal flag to indicate that disconnect
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// from layout is in progress
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bool mbDisconnectInProgress : 1;
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// Needed data for handling of nested <SdrObjUserCall> events in
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// method <_Changed(..)>
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bool mbUserCallActive : 1;
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// event type, which is handled for <mpSdrObjHandledByCurrentUserCall>.
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// Note: value only valid, if <mbUserCallActive> is sal_True.
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SdrUserCallType meEventTypeOfCurrentUserCall;
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friend class NestedUserCallHdl;
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// unary function used by <list> iterator to find a disconnected 'virtual'
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// drawing object
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struct UsedOrUnusedVirtObjPred
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{
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bool mbUsedPred;
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UsedOrUnusedVirtObjPred( bool _bUsed ) : mbUsedPred( _bUsed ) {};
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bool operator() ( const SwDrawVirtObj* _pDrawVirtObj )
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{
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if ( mbUsedPred )
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{
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return _pDrawVirtObj->IsConnected();
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}
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else
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{
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return !_pDrawVirtObj->IsConnected();
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}
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}
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};
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// unary function used by <list> iterator to find a 'virtual' drawing
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// object anchored at a given frame
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struct VirtObjAnchoredAtFrmPred
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{
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const SwFrm* mpAnchorFrm;
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VirtObjAnchoredAtFrmPred( const SwFrm& _rAnchorFrm );
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bool operator() ( const SwDrawVirtObj* _pDrawVirtObj );
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};
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// method for adding/removing 'virtual' drawing object.
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SwDrawVirtObj* CreateVirtObj();
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void DestroyVirtObj( SwDrawVirtObj* pVirtObj );
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void RemoveAllVirtObjs();
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void _InvalidateObjs( const bool _bUpdateSortedObjsList = false );
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// no copy-constructor and no assignment operator
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SwDrawContact( const SwDrawContact& );
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SwDrawContact& operator=( const SwDrawContact& );
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protected:
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// virtuelle Methoden von SwClient
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virtual void Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew );
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public:
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TYPEINFO();
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SwDrawContact( SwFrmFmt *pToRegisterIn, SdrObject *pObj );
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virtual ~SwDrawContact();
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virtual const SwAnchoredObject* GetAnchoredObj( const SdrObject* _pSdrObj ) const;
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virtual SwAnchoredObject* GetAnchoredObj( SdrObject* _pSdrObj );
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virtual const SdrObject* GetMaster() const;
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virtual SdrObject* GetMaster();
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virtual void SetMaster( SdrObject* _pNewMaster );
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const SwFrm* GetAnchorFrm( const SdrObject* _pDrawObj = 0L ) const;
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SwFrm* GetAnchorFrm( SdrObject* _pDrawObj = 0L );
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inline const SwPageFrm* GetPageFrm() const
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{
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return maAnchoredDrawObj.GetPageFrm();
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}
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inline SwPageFrm* GetPageFrm()
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{
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return maAnchoredDrawObj.GetPageFrm();
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}
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void SetPageFrm( SwPageFrm* _pNewPageFrm )
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{
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return maAnchoredDrawObj.SetPageFrm( _pNewPageFrm );
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}
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void ChkPage();
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SwPageFrm* FindPage( const SwRect &rRect );
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// Inserts SdrObject in the arrays of the layout ((SwPageFrm and SwFrm).
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// The anchor is determined according to the attribute SwFmtAnchor.
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// If required the object gets unregistered with the old anchor.
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void ConnectToLayout( const SwFmtAnchor *pAnch = 0 );
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// method to insert 'master' drawing object
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// into drawing page
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void InsertMasterIntoDrawPage();
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void DisconnectFromLayout( bool _bMoveMasterToInvisibleLayer = true );
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// disconnect for a dedicated drawing object -
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// could be 'master' or 'virtual'.
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void DisconnectObjFromLayout( SdrObject* _pDrawObj );
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// method to remove 'master' drawing object
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// from drawing page.
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// To be used by the undo for delete of object. Call it after method
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// <DisconnectFromLayout( bool = true )> is already performed.
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// Note: <DisconnectFromLayout( bool )> no longer removes the 'master'
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// drawing object from drawing page.
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void RemoveMasterFromDrawPage();
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// get drawing object ('master' or 'virtual')
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// by frame.
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SdrObject* GetDrawObjectByAnchorFrm( const SwFrm& _rAnchorFrm );
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// Virtual methods of SdrObjUserCall.
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virtual void Changed(const SdrObject& rObj, SdrUserCallType eType, const Rectangle& rOldBoundRect);
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// Used by Changed() and by UndoDraw.
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// Notifies paragraphs that have to get out of the way.
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void _Changed(const SdrObject& rObj, SdrUserCallType eType, const Rectangle* pOldBoundRect);
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//Moves all SW-connections to new Master)
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void ChangeMasterObject( SdrObject *pNewMaster );
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SwDrawVirtObj* AddVirtObj();
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void NotifyBackgrdOfAllVirtObjs( const Rectangle* pOldBoundRect );
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/** get data collection of anchored objects, handled by with contact
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*/
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static void GetTextObjectsFromFmt( std::list<SdrTextObj*>&, SwDoc* );
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virtual void GetAnchoredObjs( std::list<SwAnchoredObject*>& _roAnchoredObjs ) 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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