183 lines
6.2 KiB
C++
183 lines
6.2 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 _ATRHNDL_HXX
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#define _ATRHNDL_HXX
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#define INITIAL_NUM_ATTR 3
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#define NUM_ATTRIBUTE_STACKS 40
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#include <txatbase.hxx>
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#include <swfntcch.hxx>
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class SwAttrSet;
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class IDocumentSettingAccess;
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class ViewShell;
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class SfxPoolItem;
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extern const sal_uInt8 StackPos[];
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/*************************************************************************
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* class SwAttrHandler
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*
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* Used by Attribute Iterators to organize attributes on stacks to
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* find the valid attribute in each category
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*************************************************************************/
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class SwAttrHandler
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{
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private:
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/*************************************************************************
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* class SwAttrStack
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*
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* Container for SwTxtAttr Objects
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*************************************************************************/
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class SwAttrStack
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{
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private:
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SwTxtAttr* pInitialArray[ INITIAL_NUM_ATTR ];
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SwTxtAttr** pArray;
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sal_uInt16 nCount; // number of elements on stack
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sal_uInt16 nSize; // number of positions in Array
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public:
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// Ctor, Dtor
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inline SwAttrStack();
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inline ~SwAttrStack() {
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if ( nSize > INITIAL_NUM_ATTR ) delete [] pArray; }
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// reset stack
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inline void Reset() { nCount = 0; };
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// insert on top
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inline void Push( const SwTxtAttr& rAttr ) { Insert( rAttr, nCount ); };
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// insert at specified position, take care for not inserting behind
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// the value returned by Count()
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void Insert( const SwTxtAttr& rAttr, const sal_uInt16 nPos );
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// remove specified attribute
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void Remove( const SwTxtAttr& rAttr );
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// get attribute from top if exists, otherwise 0
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const SwTxtAttr* Top() const;
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// number of elements on stack
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inline sal_uInt16 Count() const { return nCount; };
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// returns position of rAttr on Stack if found, otherwise USHRT_MAX
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// can be used for Remove of an attribute
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sal_uInt16 Pos( const SwTxtAttr& rAttr ) const;
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};
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SwAttrStack aAttrStack[ NUM_ATTRIBUTE_STACKS ]; // stack collection
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const SfxPoolItem* pDefaultArray[ NUM_DEFAULT_VALUES ];
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const IDocumentSettingAccess* mpIDocumentSettingAccess;
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const ViewShell* mpShell;
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// This is the base font for the paragraph. It is stored in order to have
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// a template, if we have to restart the attribute evaluation
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SwFont* pFnt;
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sal_Bool bVertLayout;
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// change font according to pool item
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void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, sal_Bool bPush );
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// push attribute to specified stack, returns true, if attribute has
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// been pushed on top of stack (important for stacks containing different
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// attributes with different priority and redlining)
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sal_Bool Push( const SwTxtAttr& rAttr, const SfxPoolItem& rItem );
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// apply top attribute on stack to font
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void ActivateTop( SwFont& rFnt, sal_uInt16 nStackPos );
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public:
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// Ctor
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SwAttrHandler();
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~SwAttrHandler();
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// set default attributes to values in rAttrSet or from cache
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void Init( const SwAttrSet& rAttrSet,
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const IDocumentSettingAccess& rIDocumentSettingAccess,
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const ViewShell* pShell );
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void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet,
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const IDocumentSettingAccess& rIDocumentSettingAccess,
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const ViewShell* pShell, SwFont& rFnt,
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sal_Bool bVertLayout );
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// remove everything from internal stacks, keep default data
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void Reset( );
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// insert specified attribute and change font
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void PushAndChg( const SwTxtAttr& rAttr, SwFont& rFnt );
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// remove specified attribute and reset font
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void PopAndChg( const SwTxtAttr& rAttr, SwFont& rFnt );
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void Pop( const SwTxtAttr& rAttr );
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// apply script dependent attributes
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// void ChangeScript( SwFont& rFnt, const sal_uInt8 nScr );
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// returns the default value for stack nStack
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inline const SfxPoolItem& GetDefault( const sal_uInt16 nAttribID ) const;
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// do not call these if you only used the small init function
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inline void ResetFont( SwFont& rFnt ) const;
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inline const SwFont* GetFont() const;
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void GetDefaultAscentAndHeight(ViewShell* pShell,
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OutputDevice& rOut,
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sal_uInt16& nAscent,
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sal_uInt16& nHeight) const;
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};
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inline const SfxPoolItem& SwAttrHandler::GetDefault( const sal_uInt16 nAttribID ) const
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{
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OSL_ENSURE( nAttribID < RES_TXTATR_END,
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"this attrib does not ex."
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);
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OSL_ENSURE( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" );
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return *pDefaultArray[ StackPos[ nAttribID ] ];
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}
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inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const
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{
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OSL_ENSURE( pFnt, "ResetFont without a font" );
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if ( pFnt )
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rFnt = *pFnt;
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};
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inline const SwFont* SwAttrHandler::GetFont() const
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{
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return pFnt;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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