119 lines
4.5 KiB
C++
119 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <o3tl/deleter.hxx>
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#include "atrhndl.hxx"
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#include <swfont.hxx>
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#include <txatbase.hxx>
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namespace sw { struct MergedPara; }
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class SwTextAttr;
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class SwTextNode;
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class SwRedlineItr;
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class SwViewShell;
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class SwTextFrame;
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class SAL_DLLPUBLIC_RTTI SwAttrIter
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{
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friend class SwFontSave;
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protected:
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struct Destr{ void operator()(SwTextAttr *const pAttr) { SwTextAttr::Destroy(pAttr); } };
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::std::unique_ptr<SwTextAttr, Destr> m_pEndCharFormatAttr;
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::std::unique_ptr<SwTextAttr, Destr> m_pEndAutoFormatAttr;
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SwAttrHandler m_aAttrHandler;
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SwViewShell *m_pViewShell;
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SwFont* m_pFont;
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SwScriptInfo* m_pScriptInfo;
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private:
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VclPtr<OutputDevice> m_pLastOut;
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/// count currently open hints, redlines, ext-input
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short m_nChgCnt;
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std::unique_ptr<SwRedlineItr, o3tl::default_delete<SwRedlineItr>> m_pRedline;
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/// current iteration index in HintStarts
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size_t m_nStartIndex;
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/// current iteration index in HintEnds
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size_t m_nEndIndex;
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/// current iteration index in text node
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sal_Int32 m_nPosition;
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sal_uInt8 m_nPropFont;
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o3tl::enumarray<SwFontScript, const void*> m_aFontCacheIds;
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o3tl::enumarray<SwFontScript, sal_uInt16> m_aFontIdx;
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/// input: the current text node
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const SwTextNode* m_pTextNode;
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sw::MergedPara const* m_pMergedPara;
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std::pair<SwTextNode const*, sal_Int32> SeekNewPos(TextFrameIndex nNewPos, bool * o_pIsToEnd);
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void SeekFwd(sal_Int32 nOldPos, sal_Int32 nNewPos);
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void SeekToEnd();
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void SetFnt( SwFont* pNew ) { m_pFont = pNew; }
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void InitFontAndAttrHandler(
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SwTextNode const& rPropsNode, SwTextNode const& rTextNode,
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std::u16string_view aText, bool const* pbVertLayout,
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bool const* pbVertLayoutLRBT);
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protected:
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void Chg( SwTextAttr const *pHt );
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void Rst( SwTextAttr const *pHt );
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void CtorInitAttrIter(SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame const* pFrame = nullptr);
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SW_DLLPUBLIC explicit SwAttrIter(SwTextNode const * pTextNode);
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public:
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/// All subclasses of this always have a SwTextFrame passed to the
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/// constructor, but SwAttrIter itself may be created without a
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/// SwTextFrame in certain special cases via this ctor here
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SwAttrIter(SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame const*const pFrame = nullptr);
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SW_DLLPUBLIC virtual ~SwAttrIter();
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SwRedlineItr *GetRedln() { return m_pRedline.get(); }
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// The parameter returns the position of the next change before or at the
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// char position.
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TextFrameIndex GetNextAttr() const;
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TextFrameIndex GetNextLayoutBreakAttr() const;
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/// Enables the attributes used at char pos nPos in the logical font
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bool Seek(TextFrameIndex nPos);
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// Creates the font at the specified position via Seek() and checks
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// if it's a symbol font.
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bool IsSymbol(TextFrameIndex nPos);
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/** Executes ChgPhysFnt if Seek() returns true
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* and change font to merge character border with neighbours.
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**/
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bool SeekAndChgAttrIter(TextFrameIndex nPos, OutputDevice* pOut);
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bool SeekStartAndChgAttrIter( OutputDevice* pOut, const bool bParaFont );
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// Do we possibly have nasty things like footnotes?
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bool MaybeHasHints() const;
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// Returns the attribute for a position
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SwTextAttr *GetAttr(TextFrameIndex nPos) const;
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SwFont *GetFnt() { return m_pFont; }
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const SwFont *GetFnt() const { return m_pFont; }
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sal_uInt8 GetPropFont() const { return m_nPropFont; }
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void SetPropFont( const sal_uInt8 nNew ) { m_nPropFont = nNew; }
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SwAttrHandler& GetAttrHandler() { return m_aAttrHandler; }
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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