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Diffstat (limited to 'bf_sw/source/core/inc/atrhndl.hxx')
-rw-r--r-- | bf_sw/source/core/inc/atrhndl.hxx | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/bf_sw/source/core/inc/atrhndl.hxx b/bf_sw/source/core/inc/atrhndl.hxx new file mode 100644 index 000000000..53f03858c --- /dev/null +++ b/bf_sw/source/core/inc/atrhndl.hxx @@ -0,0 +1,162 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 . + */ +#ifndef _ATRHNDL_HXX +#define _ATRHNDL_HXX + +#define INITIAL_NUM_ATTR 4 +#define NUM_ATTRIBUTE_STACKS 37 + +#include <txatbase.hxx> +#include <swfntcch.hxx> + +namespace binfilter { +class SfxPoolItem; +class SwAttrSet; +class SwDoc; +class ViewShell; + +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 SwDoc* pDoc; + const ViewShell* pShell; + sal_Bool bVertLayout; + + // 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; + + // 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, SwFont& rFnt ); + + // 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 SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet, + const SwDoc& rDoc, 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 ); + + // 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; +}; + +inline const SfxPoolItem& SwAttrHandler::GetDefault( const USHORT nAttribID ) const +{ + OSL_ENSURE( nAttribID < RES_TXTATR_END, "this attrib does not ex." ); + OSL_ENSURE( pDefaultArray[ StackPos[ nAttribID ] ], "array not initialized" ); + return *pDefaultArray[ StackPos[ nAttribID ] ]; +} + +inline void SwAttrHandler::ResetFont( SwFont& rFnt ) const +{ + OSL_ENSURE( pFnt, "ResetFont without a font" ); + if ( pFnt ) + rFnt = *pFnt; +}; + +inline const SwFont* SwAttrHandler::GetFont() const +{ + return pFnt; +}; + +} //namespace binfilter +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |