119 lines
4 KiB
C++
119 lines
4 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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#define NUM_ATTRIBUTE_STACKS 45
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#include <vector>
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#include <swfntcch.hxx>
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class SwTextAttr;
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class SwAttrSet;
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class IDocumentSettingAccess;
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class SwViewShell;
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class SfxPoolItem;
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extern const sal_uInt8 StackPos[];
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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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std::vector<const SwTextAttr*> m_aAttrStack[NUM_ATTRIBUTE_STACKS]; // stack collection
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const SfxPoolItem* m_pDefaultArray[ NUM_DEFAULT_VALUES ];
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const IDocumentSettingAccess* m_pIDocumentSettingAccess;
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const SwViewShell* m_pShell;
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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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std::optional<SwFont> m_oFnt;
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int m_nINETFMT = 0; // for font's SetURL
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bool m_bVertLayout;
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bool m_bVertLayoutLRBT;
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const SwTextAttr* GetTop(sal_uInt16 nStack);
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void RemoveFromStack(sal_uInt16 nWhich, const SwTextAttr& rAttr);
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// change font according to pool item
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void FontChg(const SfxPoolItem& rItem, SwFont& rFnt, 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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bool Push( const SwTextAttr& 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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void Init( const SfxPoolItem** pPoolItem, const SwAttrSet* pAttrSet,
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const IDocumentSettingAccess& rIDocumentSettingAccess,
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const SwViewShell* pShell, SwFont& rFnt,
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bool bVertLayout, bool bVertLayoutLRBT );
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bool IsVertLayout() const { return m_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 SwTextAttr& rAttr, SwFont& rFnt );
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// remove specified attribute and reset font
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void PopAndChg( const SwTextAttr& rAttr, SwFont& rFnt );
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void Pop( const SwTextAttr& 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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// 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(SwViewShell const * pShell,
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OutputDevice const & 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 void SwAttrHandler::ResetFont( SwFont& rFnt ) const
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{
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OSL_ENSURE(m_oFnt, "ResetFont without a font");
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if (m_oFnt)
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rFnt = *m_oFnt;
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};
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inline const SwFont* SwAttrHandler::GetFont() const
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{
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return m_oFnt ? &*m_oFnt : nullptr;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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