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Diffstat (limited to 'sw/source/core/text/atrhndl.hxx')
| -rw-r--r-- | sw/source/core/text/atrhndl.hxx | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/sw/source/core/text/atrhndl.hxx b/sw/source/core/text/atrhndl.hxx new file mode 100644 index 000000000000..62df7e0499db --- /dev/null +++ b/sw/source/core/text/atrhndl.hxx @@ -0,0 +1,179 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _ATRHNDL_HXX +#define _ATRHNDL_HXX + +#define INITIAL_NUM_ATTR 3 +#define NUM_ATTRIBUTE_STACKS 40 + +#include <txatbase.hxx> +#include <swfntcch.hxx> + +class SwAttrSet; +class IDocumentSettingAccess; +class ViewShell; +class SfxPoolItem; +extern const BYTE StackPos[]; + +/************************************************************************* + * class SwAttrHandler + * + * Used by Attribute Iterators to organize attributes on stacks to + * find the valid attribute in each category + *************************************************************************/ + +class SwAttrHandler +{ +private: + + /************************************************************************* + * class SwAttrStack + * + * Container for SwTxtAttr Objects + *************************************************************************/ + + class SwAttrStack + { + private: + SwTxtAttr* pInitialArray[ INITIAL_NUM_ATTR ]; + SwTxtAttr** pArray; + USHORT nCount; // number of elements on stack + USHORT nSize; // number of positions in Array + + public: + // Ctor, Dtor + inline SwAttrStack(); + inline ~SwAttrStack() { + if ( nSize > INITIAL_NUM_ATTR ) delete [] pArray; } + + // reset stack + inline void Reset() { nCount = 0; }; + + // insert on top + inline void Push( const SwTxtAttr& rAttr ) { Insert( rAttr, nCount ); }; + // insert at specified position, take care for not inserting behind + // the value returned by Count() + void Insert( const SwTxtAttr& rAttr, const USHORT nPos ); + + // remove specified attribute + void Remove( const SwTxtAttr& rAttr ); + + // get attribute from top if exists, otherwise 0 + const SwTxtAttr* Top() const; + + // number of elements on stack + inline USHORT Count() const { return nCount; }; + + // returns position of rAttr on Stack if found, otherwise USHRT_MAX + // can be used for Remove of an attribute + USHORT Pos( const SwTxtAttr& rAttr ) const; + }; + + SwAttrStack aAttrStack[ NUM_ATTRIBUTE_STACKS ]; // stack collection + const SfxPoolItem* pDefaultArray[ NUM_DEFAULT_VALUES ]; + const IDocumentSettingAccess* mpIDocumentSettingAccess; + const ViewShell* mpShell; + + // This is the base font for the paragraph. It is stored in order to have + // a template, if we have to restart the attribute evaluation + SwFont* pFnt; + + sal_Bool bVertLayout; + + // change font according to pool item + void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, sal_Bool bPush ); + + // push attribute to specified stack, returns true, if attribute has + // been pushed on top of stack (important for stacks containing different + // attributes with different priority and redlining) + sal_Bool Push( const SwTxtAttr& rAttr, const SfxPoolItem& rItem ); + + // apply top attribute on stack to font + void ActivateTop( SwFont& rFnt, USHORT nStackPos ); + +public: + // Ctor + SwAttrHandler(); + ~SwAttrHandler(); + + // set default attributes to values in rAttrSet or from cache + void Init( const SwAttrSet& rAttrSet, + const IDocumentSettingAccess& rIDocumentSettingAccess, + const ViewShell* pShell ); + void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet, + const IDocumentSettingAccess& rIDocumentSettingAccess, + const ViewShell* pShell, SwFont& rFnt, + sal_Bool bVertLayout ); + + // remove everything from internal stacks, keep default data + void Reset( ); + + // insert specified attribute and change font + void PushAndChg( const SwTxtAttr& rAttr, SwFont& rFnt ); + + // remove specified attribute and reset font + void PopAndChg( const SwTxtAttr& rAttr, SwFont& rFnt ); + void Pop( const SwTxtAttr& rAttr ); + + // apply script dependent attributes +// void ChangeScript( SwFont& rFnt, const BYTE nScr ); + + // returns the default value for stack nStack + inline const SfxPoolItem& GetDefault( const USHORT nAttribID ) const; + // do not call these if you only used the small init function + inline void ResetFont( SwFont& rFnt ) const; + inline const SwFont* GetFont() const; + + void GetDefaultAscentAndHeight(ViewShell* pShell, + OutputDevice& rOut, + USHORT& nAscent, + USHORT& nHeight) const; +}; + +inline const SfxPoolItem& SwAttrHandler::GetDefault( const USHORT nAttribID ) const +{ + ASSERT( nAttribID < RES_TXTATR_END, + "this attrib does not ex." + ); + ASSERT( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" ); + return *pDefaultArray[ StackPos[ nAttribID ] ]; +} + +inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const +{ + ASSERT( pFnt, "ResetFont without a font" ); + if ( pFnt ) + rFnt = *pFnt; +}; + +inline const SwFont* SwAttrHandler::GetFont() const +{ + return pFnt; +}; + +#endif |