diff options
Diffstat (limited to 'sw/source/core/text/txtfrm.cxx')
| -rw-r--r-- | sw/source/core/text/txtfrm.cxx | 4219 |
1 files changed, 4219 insertions, 0 deletions
diff --git a/sw/source/core/text/txtfrm.cxx b/sw/source/core/text/txtfrm.cxx new file mode 100644 index 0000000000..18eb78db83 --- /dev/null +++ b/sw/source/core/text/txtfrm.cxx @@ -0,0 +1,4219 @@ +/* -*- 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 . + */ + +#include <config_wasm_strip.h> + +#include <hintids.hxx> +#include <hints.hxx> +#include <svl/ctloptions.hxx> +#include <editeng/lspcitem.hxx> +#include <editeng/lrspitem.hxx> +#include <editeng/brushitem.hxx> +#include <editeng/pgrditem.hxx> +#include <unotools/configmgr.hxx> +#include <swmodule.hxx> +#include <SwSmartTagMgr.hxx> +#include <doc.hxx> +#include <IDocumentSettingAccess.hxx> +#include <IDocumentDeviceAccess.hxx> +#include <IDocumentFieldsAccess.hxx> +#include <rootfrm.hxx> +#include <pagefrm.hxx> +#include <viewsh.hxx> +#include <pam.hxx> +#include <ndtxt.hxx> +#include <paratr.hxx> +#include <viewopt.hxx> +#include <flyfrm.hxx> +#include <tabfrm.hxx> +#include <frmatr.hxx> +#include <frmtool.hxx> +#include <tgrditem.hxx> +#include <dbg_lay.hxx> +#include <fmtfld.hxx> +#include <fmtftn.hxx> +#include <txtfld.hxx> +#include <txtftn.hxx> +#include <ftninfo.hxx> +#include <fmtline.hxx> +#include <txtfrm.hxx> +#include <notxtfrm.hxx> +#include <sectfrm.hxx> +#include "itrform2.hxx" +#include "widorp.hxx" +#include "txtcache.hxx" +#include <fntcache.hxx> +#include <SwGrammarMarkUp.hxx> +#include <lineinfo.hxx> +#include <SwPortionHandler.hxx> +#include <dcontact.hxx> +#include <sortedobjs.hxx> +#include <txtflcnt.hxx> +#include <fmtflcnt.hxx> +#include <fmtcntnt.hxx> +#include <numrule.hxx> +#include <GrammarContact.hxx> +#include <calbck.hxx> +#include <ftnidx.hxx> +#include <ftnfrm.hxx> + +#include <wrtsh.hxx> +#include <view.hxx> +#include <edtwin.hxx> +#include <FrameControlsManager.hxx> + +namespace sw { + + MergedAttrIterBase::MergedAttrIterBase(SwTextFrame const& rFrame) + : m_pMerged(rFrame.GetMergedPara()) + , m_pNode(m_pMerged ? nullptr : rFrame.GetTextNodeFirst()) + , m_CurrentExtent(0) + , m_CurrentHint(0) + { + } + + SwTextAttr const* MergedAttrIter::NextAttr(SwTextNode const** ppNode) + { + if (m_pMerged) + { + while (m_CurrentExtent < m_pMerged->extents.size()) + { + sw::Extent const& rExtent(m_pMerged->extents[m_CurrentExtent]); + if (SwpHints const*const pHints = rExtent.pNode->GetpSwpHints()) + { + while (m_CurrentHint < pHints->Count()) + { + SwTextAttr *const pHint(pHints->Get(m_CurrentHint)); + if (rExtent.nEnd < pHint->GetStart() + // <= if it has no end or isn't empty + || (rExtent.nEnd == pHint->GetStart() + && (!pHint->GetEnd() + || *pHint->GetEnd() != pHint->GetStart()))) + { + break; + } + ++m_CurrentHint; + if (rExtent.nStart <= pHint->GetStart()) + { + if (ppNode) + { + *ppNode = rExtent.pNode; + } + return pHint; + } + } + } + ++m_CurrentExtent; + if (m_CurrentExtent < m_pMerged->extents.size() && + rExtent.pNode != m_pMerged->extents[m_CurrentExtent].pNode) + { + m_CurrentHint = 0; // reset + } + } + return nullptr; + } + else + { + SwpHints const*const pHints(m_pNode->GetpSwpHints()); + if (pHints) + { + if (m_CurrentHint < pHints->Count()) + { + SwTextAttr const*const pHint(pHints->Get(m_CurrentHint)); + ++m_CurrentHint; + if (ppNode) + { + *ppNode = m_pNode; + } + return pHint; + } + } + return nullptr; + } + } + + MergedAttrIterByEnd::MergedAttrIterByEnd(SwTextFrame const& rFrame) + : m_pNode(rFrame.GetMergedPara() ? nullptr : rFrame.GetTextNodeFirst()) + , m_CurrentHint(0) + { + if (!m_pNode) + { + MergedAttrIterReverse iter(rFrame); + SwTextNode const* pNode(nullptr); + while (SwTextAttr const* pHint = iter.PrevAttr(&pNode)) + { + m_Hints.emplace_back(pNode, pHint); + } + } + } + + SwTextAttr const* MergedAttrIterByEnd::NextAttr(SwTextNode const*& rpNode) + { + if (m_pNode) + { + SwpHints const*const pHints(m_pNode->GetpSwpHints()); + if (pHints) + { + if (m_CurrentHint < pHints->Count()) + { + SwTextAttr const*const pHint( + pHints->GetSortedByEnd(m_CurrentHint)); + ++m_CurrentHint; + rpNode = m_pNode; + return pHint; + } + } + return nullptr; + } + else + { + if (m_CurrentHint < m_Hints.size()) + { + auto const ret = m_Hints[m_Hints.size() - m_CurrentHint - 1]; + ++m_CurrentHint; + rpNode = ret.first; + return ret.second; + } + return nullptr; + } + } + + void MergedAttrIterByEnd::PrevAttr() + { + assert(0 < m_CurrentHint); // should only rewind as far as 0 + --m_CurrentHint; + } + + MergedAttrIterReverse::MergedAttrIterReverse(SwTextFrame const& rFrame) + : MergedAttrIterBase(rFrame) + { + if (m_pMerged) + { + m_CurrentExtent = m_pMerged->extents.size(); + SwpHints const*const pHints(0 < m_CurrentExtent + ? m_pMerged->extents[m_CurrentExtent-1].pNode->GetpSwpHints() + : nullptr); + if (pHints) + { + pHints->SortIfNeedBe(); + m_CurrentHint = pHints->Count(); + } + } + else + { + if (SwpHints const*const pHints = m_pNode->GetpSwpHints()) + { + pHints->SortIfNeedBe(); + m_CurrentHint = pHints->Count(); + } + } + } + + SwTextAttr const* MergedAttrIterReverse::PrevAttr(SwTextNode const** ppNode) + { + if (m_pMerged) + { + while (0 < m_CurrentExtent) + { + sw::Extent const& rExtent(m_pMerged->extents[m_CurrentExtent-1]); + if (SwpHints const*const pHints = rExtent.pNode->GetpSwpHints()) + { + while (0 < m_CurrentHint) + { + SwTextAttr *const pHint( + pHints->GetSortedByEnd(m_CurrentHint - 1)); + if (pHint->GetAnyEnd() < rExtent.nStart + // <= if it has end and isn't empty + || (pHint->GetEnd() + && *pHint->GetEnd() != pHint->GetStart() + && *pHint->GetEnd() == rExtent.nStart)) + { + break; + } + --m_CurrentHint; + if (pHint->GetAnyEnd() <= rExtent.nEnd) + { + if (ppNode) + { + *ppNode = rExtent.pNode; + } + return pHint; + } + } + } + --m_CurrentExtent; + if (0 < m_CurrentExtent && + rExtent.pNode != m_pMerged->extents[m_CurrentExtent-1].pNode) + { + SwpHints const*const pHints( + m_pMerged->extents[m_CurrentExtent-1].pNode->GetpSwpHints()); + m_CurrentHint = pHints ? pHints->Count() : 0; // reset + if (pHints) + pHints->SortIfNeedBe(); + } + } + return nullptr; + } + else + { + SwpHints const*const pHints(m_pNode->GetpSwpHints()); + if (pHints && 0 < m_CurrentHint) + { + SwTextAttr const*const pHint(pHints->GetSortedByEnd(m_CurrentHint - 1)); + --m_CurrentHint; + if (ppNode) + { + *ppNode = m_pNode; + } + return pHint; + } + return nullptr; + } + } + + bool FrameContainsNode(SwContentFrame const& rFrame, SwNodeOffset const nNodeIndex) + { + if (rFrame.IsTextFrame()) + { + SwTextFrame const& rTextFrame(static_cast<SwTextFrame const&>(rFrame)); + if (sw::MergedPara const*const pMerged = rTextFrame.GetMergedPara()) + { + SwNodeOffset const nFirst(pMerged->pFirstNode->GetIndex()); + SwNodeOffset const nLast(pMerged->pLastNode->GetIndex()); + return (nFirst <= nNodeIndex && nNodeIndex <= nLast); + } + else + { + return rTextFrame.GetTextNodeFirst()->GetIndex() == nNodeIndex; + } + } + else + { + assert(rFrame.IsNoTextFrame()); + return static_cast<SwNoTextFrame const&>(rFrame).GetNode()->GetIndex() == nNodeIndex; + } + } + + bool IsParaPropsNode(SwRootFrame const& rLayout, SwTextNode const& rNode) + { + if (rLayout.HasMergedParas()) + { + if (SwTextFrame const*const pFrame = static_cast<SwTextFrame*>(rNode.getLayoutFrame(&rLayout))) + { + sw::MergedPara const*const pMerged(pFrame->GetMergedPara()); + if (pMerged && pMerged->pParaPropsNode != &rNode) + { + return false; + } + } + } + return true; + } + + SwTextNode * + GetParaPropsNode(SwRootFrame const& rLayout, SwNode const& rPos) + { + const SwTextNode *const pTextNode(rPos.GetTextNode()); + if (pTextNode && !sw::IsParaPropsNode(rLayout, *pTextNode)) + { + return static_cast<SwTextFrame*>(pTextNode->getLayoutFrame(&rLayout))->GetMergedPara()->pParaPropsNode; + } + else + { + return const_cast<SwTextNode*>(pTextNode); + } + } + + SwPosition + GetParaPropsPos(SwRootFrame const& rLayout, SwPosition const& rPos) + { + SwPosition pos(rPos); + SwTextNode const*const pNode(pos.GetNode().GetTextNode()); + if (pNode) + pos.Assign( *sw::GetParaPropsNode(rLayout, *pNode) ); + return pos; + } + + std::pair<SwTextNode *, SwTextNode *> + GetFirstAndLastNode(SwRootFrame const& rLayout, SwNode const& rPos) + { + SwTextNode *const pTextNode(const_cast<SwTextNode*>(rPos.GetTextNode())); + if (pTextNode && rLayout.HasMergedParas()) + { + if (SwTextFrame const*const pFrame = static_cast<SwTextFrame*>(pTextNode->getLayoutFrame(&rLayout))) + { + if (sw::MergedPara const*const pMerged = pFrame->GetMergedPara()) + { + return std::make_pair(pMerged->pFirstNode, const_cast<SwTextNode*>(pMerged->pLastNode)); + } + } + } + return std::make_pair(pTextNode, pTextNode); + } + + SwTextNode const& GetAttrMerged(SfxItemSet & rFormatSet, + SwTextNode const& rNode, SwRootFrame const*const pLayout) + { + rNode.SwContentNode::GetAttr(rFormatSet); + if (pLayout && pLayout->HasMergedParas()) + { + auto pFrame = static_cast<SwTextFrame*>(rNode.getLayoutFrame(pLayout)); + if (sw::MergedPara const*const pMerged = pFrame ? pFrame->GetMergedPara() : nullptr) + { + if (pMerged->pFirstNode != &rNode) + { + rFormatSet.ClearItem(RES_PAGEDESC); + rFormatSet.ClearItem(RES_BREAK); + static_assert(RES_PAGEDESC + 1 == sal_uInt16(RES_BREAK), + "first-node items must be adjacent"); + SfxItemSetFixed<RES_PAGEDESC, RES_BREAK> firstSet(*rFormatSet.GetPool()); + pMerged->pFirstNode->SwContentNode::GetAttr(firstSet); + rFormatSet.Put(firstSet); + + } + if (pMerged->pParaPropsNode != &rNode) + { + for (sal_uInt16 i = RES_PARATR_BEGIN; i != RES_FRMATR_END; ++i) + { + if (i != RES_PAGEDESC && i != RES_BREAK) + { + rFormatSet.ClearItem(i); + } + } + for (sal_uInt16 i = XATTR_FILL_FIRST; i <= XATTR_FILL_LAST; ++i) + { + rFormatSet.ClearItem(i); + } + SfxItemSetFixed<RES_PARATR_BEGIN, RES_PAGEDESC, + RES_BREAK+1, RES_FRMATR_END, + XATTR_FILL_FIRST, XATTR_FILL_LAST+1> + propsSet(*rFormatSet.GetPool()); + pMerged->pParaPropsNode->SwContentNode::GetAttr(propsSet); + rFormatSet.Put(propsSet); + return *pMerged->pParaPropsNode; + } + // keep all the CHRATR/UNKNOWNATR anyway... + } + } + return rNode; + } + +} // namespace sw + +/// Switches width and height of the text frame +void SwTextFrame::SwapWidthAndHeight() +{ + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*this); + + if ( ! mbIsSwapped ) + { + const tools::Long nPrtOfstX = aPrt.Pos().X(); + aPrt.Pos().setX( aPrt.Pos().Y() ); + + if( IsVertLR() ) + { + aPrt.Pos().setY( nPrtOfstX ); + } + else + { + aPrt.Pos().setY( getFrameArea().Width() - ( nPrtOfstX + aPrt.Width() ) ); + } + } + else + { + const tools::Long nPrtOfstY = aPrt.Pos().Y(); + aPrt.Pos().setY( aPrt.Pos().X() ); + + if( IsVertLR() ) + { + aPrt.Pos().setX( nPrtOfstY ); + } + else + { + aPrt.Pos().setX( getFrameArea().Height() - ( nPrtOfstY + aPrt.Height() ) ); + } + } + + const tools::Long nPrtWidth = aPrt.Width(); + aPrt.Width( aPrt.Height() ); + aPrt.Height( nPrtWidth ); + } + + { + const tools::Long nFrameWidth = getFrameArea().Width(); + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*this); + aFrm.Width( aFrm.Height() ); + aFrm.Height( nFrameWidth ); + } + + mbIsSwapped = ! mbIsSwapped; +} + +/** + * Calculates the coordinates of a rectangle when switching from + * horizontal to vertical layout. + */ +void SwTextFrame::SwitchHorizontalToVertical( SwRect& rRect ) const +{ + // calc offset inside frame + tools::Long nOfstX, nOfstY; + if ( IsVertLR() ) + { + if (IsVertLRBT()) + { + // X and Y offsets here mean the position of the point that will be the top left corner + // after the switch. + nOfstX = rRect.Left() + rRect.Width() - getFrameArea().Left(); + nOfstY = rRect.Top() - getFrameArea().Top(); + } + else + { + nOfstX = rRect.Left() - getFrameArea().Left(); + nOfstY = rRect.Top() - getFrameArea().Top(); + } + } + else + { + nOfstX = rRect.Left() - getFrameArea().Left(); + nOfstY = rRect.Top() + rRect.Height() - getFrameArea().Top(); + } + + const tools::Long nWidth = rRect.Width(); + const tools::Long nHeight = rRect.Height(); + + if ( IsVertLR() ) + { + rRect.Left(getFrameArea().Left() + nOfstY); + } + else + { + if ( mbIsSwapped ) + rRect.Left( getFrameArea().Left() + getFrameArea().Height() - nOfstY ); + else + // frame is rotated + rRect.Left( getFrameArea().Left() + getFrameArea().Width() - nOfstY ); + } + + if (IsVertLRBT()) + { + if (mbIsSwapped) + rRect.Top(getFrameArea().Top() + getFrameArea().Width() - nOfstX); + else + rRect.Top(getFrameArea().Top() + getFrameArea().Height() - nOfstX); + } + else + rRect.Top(getFrameArea().Top() + nOfstX); + rRect.Width( nHeight ); + rRect.Height( nWidth ); +} + +/** + * Calculates the coordinates of a point when switching from + * horizontal to vertical layout. + */ +void SwTextFrame::SwitchHorizontalToVertical( Point& rPoint ) const +{ + if (IsVertLRBT()) + { + // The horizontal origo is the top left corner, the LRBT origo is the + // bottom left corner. Finally x and y has to be swapped. + SAL_WARN_IF(!mbIsSwapped, "sw.core", + "SwTextFrame::SwitchHorizontalToVertical, IsVertLRBT, not swapped"); + Point aPoint(rPoint); + rPoint.setX(getFrameArea().Left() + (aPoint.Y() - getFrameArea().Top())); + // This would be bottom - x delta, but bottom is top + height, finally + // width (and not height), as it's swapped. + rPoint.setY(getFrameArea().Top() + getFrameArea().Width() + - (aPoint.X() - getFrameArea().Left())); + return; + } + + // calc offset inside frame + const tools::Long nOfstX = rPoint.X() - getFrameArea().Left(); + const tools::Long nOfstY = rPoint.Y() - getFrameArea().Top(); + if ( IsVertLR() ) + rPoint.setX( getFrameArea().Left() + nOfstY ); + else + { + if ( mbIsSwapped ) + rPoint.setX( getFrameArea().Left() + getFrameArea().Height() - nOfstY ); + else + // calc rotated coords + rPoint.setX( getFrameArea().Left() + getFrameArea().Width() - nOfstY ); + } + + rPoint.setY( getFrameArea().Top() + nOfstX ); +} + +/** + * Calculates the a limit value when switching from + * horizontal to vertical layout. + */ +tools::Long SwTextFrame::SwitchHorizontalToVertical( tools::Long nLimit ) const +{ + Point aTmp( 0, nLimit ); + SwitchHorizontalToVertical( aTmp ); + return aTmp.X(); +} + +/** + * Calculates the coordinates of a rectangle when switching from + * vertical to horizontal layout. + */ +void SwTextFrame::SwitchVerticalToHorizontal( SwRect& rRect ) const +{ + tools::Long nOfstX; + + // calc offset inside frame + if ( IsVertLR() ) + nOfstX = rRect.Left() - getFrameArea().Left(); + else + { + if ( mbIsSwapped ) + nOfstX = getFrameArea().Left() + getFrameArea().Height() - ( rRect.Left() + rRect.Width() ); + else + nOfstX = getFrameArea().Left() + getFrameArea().Width() - ( rRect.Left() + rRect.Width() ); + } + + tools::Long nOfstY; + if (IsVertLRBT()) + { + // Note that mbIsSwapped only affects the frame area, not rRect, so rRect.Height() is used + // here unconditionally. + if (mbIsSwapped) + nOfstY = getFrameArea().Top() + getFrameArea().Width() - (rRect.Top() + rRect.Height()); + else + nOfstY = getFrameArea().Top() + getFrameArea().Height() - (rRect.Top() + rRect.Height()); + } + else + nOfstY = rRect.Top() - getFrameArea().Top(); + const tools::Long nWidth = rRect.Height(); + const tools::Long nHeight = rRect.Width(); + + // calc rotated coords + rRect.Left( getFrameArea().Left() + nOfstY ); + rRect.Top( getFrameArea().Top() + nOfstX ); + rRect.Width( nWidth ); + rRect.Height( nHeight ); +} + +/** + * Calculates the coordinates of a point when switching from + * vertical to horizontal layout. + */ +void SwTextFrame::SwitchVerticalToHorizontal( Point& rPoint ) const +{ + tools::Long nOfstX; + + // calc offset inside frame + if ( IsVertLR() ) + // X offset is Y - left. + nOfstX = rPoint.X() - getFrameArea().Left(); + else + { + // X offset is right - X. + if ( mbIsSwapped ) + nOfstX = getFrameArea().Left() + getFrameArea().Height() - rPoint.X(); + else + nOfstX = getFrameArea().Left() + getFrameArea().Width() - rPoint.X(); + } + + tools::Long nOfstY; + if (IsVertLRBT()) + { + // Y offset is bottom - Y. + if (mbIsSwapped) + nOfstY = getFrameArea().Top() + getFrameArea().Width() - rPoint.Y(); + else + nOfstY = getFrameArea().Top() + getFrameArea().Height() - rPoint.Y(); + } + else + // Y offset is Y - top. + nOfstY = rPoint.Y() - getFrameArea().Top(); + + // calc rotated coords + rPoint.setX( getFrameArea().Left() + nOfstY ); + rPoint.setY( getFrameArea().Top() + nOfstX ); +} + +/** + * Calculates the a limit value when switching from + * vertical to horizontal layout. + */ +tools::Long SwTextFrame::SwitchVerticalToHorizontal( tools::Long nLimit ) const +{ + Point aTmp( nLimit, 0 ); + SwitchVerticalToHorizontal( aTmp ); + return aTmp.Y(); +} + +SwFrameSwapper::SwFrameSwapper( const SwTextFrame* pTextFrame, bool bSwapIfNotSwapped ) + : pFrame( pTextFrame ), bUndo( false ) +{ + if (pFrame->IsVertical() && bSwapIfNotSwapped != pFrame->IsSwapped()) + { + bUndo = true; + const_cast<SwTextFrame*>(pFrame)->SwapWidthAndHeight(); + } +} + +SwFrameSwapper::~SwFrameSwapper() +{ + if ( bUndo ) + const_cast<SwTextFrame*>(pFrame)->SwapWidthAndHeight(); +} + +void SwTextFrame::SwitchLTRtoRTL( SwRect& rRect ) const +{ + SwSwapIfNotSwapped swap(const_cast<SwTextFrame *>(this)); + + tools::Long nWidth = rRect.Width(); + rRect.Left( 2 * ( getFrameArea().Left() + getFramePrintArea().Left() ) + + getFramePrintArea().Width() - rRect.Right() - 1 ); + + rRect.Width( nWidth ); +} + +void SwTextFrame::SwitchLTRtoRTL( Point& rPoint ) const +{ + SwSwapIfNotSwapped swap(const_cast<SwTextFrame *>(this)); + + rPoint.setX( 2 * ( getFrameArea().Left() + getFramePrintArea().Left() ) + getFramePrintArea().Width() - rPoint.X() - 1 ); +} + +SwLayoutModeModifier::SwLayoutModeModifier( const OutputDevice& rOutp ) : + m_rOut( rOutp ), m_nOldLayoutMode( rOutp.GetLayoutMode() ) +{ +} + +SwLayoutModeModifier::~SwLayoutModeModifier() +{ + const_cast<OutputDevice&>(m_rOut).SetLayoutMode( m_nOldLayoutMode ); +} + +void SwLayoutModeModifier::Modify( bool bChgToRTL ) +{ + const_cast<OutputDevice&>(m_rOut).SetLayoutMode( bChgToRTL ? + vcl::text::ComplexTextLayoutFlags::BiDiStrong | vcl::text::ComplexTextLayoutFlags::BiDiRtl : + vcl::text::ComplexTextLayoutFlags::BiDiStrong ); +} + +void SwLayoutModeModifier::SetAuto() +{ + const vcl::text::ComplexTextLayoutFlags nNewLayoutMode = m_nOldLayoutMode & ~vcl::text::ComplexTextLayoutFlags::BiDiStrong; + const_cast<OutputDevice&>(m_rOut).SetLayoutMode( nNewLayoutMode ); +} + +SwDigitModeModifier::SwDigitModeModifier( const OutputDevice& rOutp, LanguageType eCurLang ) : + rOut( rOutp ), nOldLanguageType( rOutp.GetDigitLanguage() ) +{ + LanguageType eLang = eCurLang; + if (utl::ConfigManager::IsFuzzing()) + eLang = LANGUAGE_ENGLISH_US; + else + { + const SvtCTLOptions::TextNumerals nTextNumerals = SvtCTLOptions::GetCTLTextNumerals(); + + if ( SvtCTLOptions::NUMERALS_HINDI == nTextNumerals ) + eLang = LANGUAGE_ARABIC_SAUDI_ARABIA; + else if ( SvtCTLOptions::NUMERALS_ARABIC == nTextNumerals ) + eLang = LANGUAGE_ENGLISH; + else if ( SvtCTLOptions::NUMERALS_SYSTEM == nTextNumerals ) + eLang = ::GetAppLanguage(); + } + + const_cast<OutputDevice&>(rOut).SetDigitLanguage( eLang ); +} + +SwDigitModeModifier::~SwDigitModeModifier() +{ + const_cast<OutputDevice&>(rOut).SetDigitLanguage( nOldLanguageType ); +} + +void SwTextFrame::Init() +{ + OSL_ENSURE( !IsLocked(), "+SwTextFrame::Init: this is locked." ); + if( !IsLocked() ) + { + ClearPara(); + SetHasRotatedPortions(false); + // set flags directly to save a ResetPreps call, + // and thereby an unnecessary GetPara call + // don't set bOrphan, bLocked or bWait to false! + // bOrphan = bFlag7 = bFlag8 = false; + } +} + +SwTextFrame::SwTextFrame(SwTextNode * const pNode, SwFrame* pSib, + sw::FrameMode const eMode) + : SwContentFrame( pNode, pSib ) + , mnAllLines( 0 ) + , mnThisLines( 0 ) + , mnFlyAnchorOfst( 0 ) + , mnFlyAnchorOfstNoWrap( 0 ) + , mnFlyAnchorVertOfstNoWrap( 0 ) + , mnFootnoteLine( 0 ) + , mnHeightOfLastLine( 0 ) + , mnAdditionalFirstLineOffset( 0 ) + , mnOffset( 0 ) + , mnCacheIndex( USHRT_MAX ) + , mbLocked( false ) + , mbWidow( false ) + , mbJustWidow( false ) + , mbEmpty( false ) + , mbInFootnoteConnect( false ) + , mbFootnote( false ) + , mbRepaint( false ) + , mbHasRotatedPortions( false ) + , mbFieldFollow( false ) + , mbHasAnimation( false ) + , mbIsSwapped( false ) + , mbFollowFormatAllowed( true ) +{ + mnFrameType = SwFrameType::Txt; + // note: this may call SwClientNotify if it's in a list so do it last + // note: this may change this->pRegisteredIn to m_pMergedPara->listeners + m_pMergedPara = CheckParaRedlineMerge(*this, *pNode, eMode); +} + +void SwTextFrame::dumpAsXmlAttributes(xmlTextWriterPtr writer) const +{ + SwContentFrame::dumpAsXmlAttributes(writer); + + const SwTextNode *pTextNode = GetTextNodeFirst(); + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "txtNodeIndex" ), "%" SAL_PRIdINT32, sal_Int32(pTextNode->GetIndex()) ); + + OString aMode = "Horizontal"_ostr; + if (IsVertLRBT()) + { + aMode = "VertBTLR"_ostr; + } + else if (IsVertLR()) + { + aMode = "VertLR"_ostr; + } + else if (IsVertical()) + { + aMode = "Vertical"_ostr; + } + (void)xmlTextWriterWriteAttribute(writer, BAD_CAST("WritingMode"), BAD_CAST(aMode.getStr())); +} + +void SwTextFrame::dumpAsXml(xmlTextWriterPtr writer) const +{ + (void)xmlTextWriterStartElement(writer, reinterpret_cast<const xmlChar*>("txt")); + dumpAsXmlAttributes( writer ); + if ( HasFollow() ) + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "follow" ), "%" SAL_PRIuUINT32, GetFollow()->GetFrameId() ); + + if (m_pPrecede != nullptr) + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "precede" ), "%" SAL_PRIuUINT32, static_cast<SwTextFrame*>(m_pPrecede)->GetFrameId() ); + + (void)xmlTextWriterWriteAttribute(writer, BAD_CAST("offset"), BAD_CAST(OString::number(static_cast<sal_Int32>(mnOffset)).getStr())); + + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + { + (void)xmlTextWriterStartElement( writer, BAD_CAST( "merged" ) ); + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "paraPropsNodeIndex" ), "%" SAL_PRIdINT32, sal_Int32(pMerged->pParaPropsNode->GetIndex()) ); + for (auto const& e : pMerged->extents) + { + (void)xmlTextWriterStartElement( writer, BAD_CAST( "extent" ) ); + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "txtNodeIndex" ), "%" SAL_PRIdINT32, sal_Int32(e.pNode->GetIndex()) ); + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "start" ), "%" SAL_PRIdINT32, e.nStart ); + (void)xmlTextWriterWriteFormatAttribute( writer, BAD_CAST( "end" ), "%" SAL_PRIdINT32, e.nEnd ); + (void)xmlTextWriterEndElement( writer ); + } + (void)xmlTextWriterEndElement( writer ); + } + + (void)xmlTextWriterStartElement(writer, BAD_CAST("infos")); + dumpInfosAsXml(writer); + (void)xmlTextWriterEndElement(writer); + + // Dump Anchored objects if any + const SwSortedObjs* pAnchored = GetDrawObjs(); + if ( pAnchored && pAnchored->size() > 0 ) + { + (void)xmlTextWriterStartElement( writer, BAD_CAST( "anchored" ) ); + + for (SwAnchoredObject* pObject : *pAnchored) + { + pObject->dumpAsXml( writer ); + } + + (void)xmlTextWriterEndElement( writer ); + } + + // Dump the children + OUString aText = GetText( ); + for ( int i = 0; i < 32; i++ ) + { + aText = aText.replace( i, '*' ); + } + auto nTextOffset = static_cast<sal_Int32>(GetOffset()); + sal_Int32 nTextLength = aText.getLength() - nTextOffset; + if (const SwTextFrame* pTextFrameFollow = GetFollow()) + { + nTextLength = static_cast<sal_Int32>(pTextFrameFollow->GetOffset() - GetOffset()); + } + if (nTextLength > 0) + { + OString aText8 + = OUStringToOString(aText.subView(nTextOffset, nTextLength), RTL_TEXTENCODING_UTF8); + (void)xmlTextWriterWriteString( writer, + reinterpret_cast<const xmlChar *>(aText8.getStr( )) ); + } + if (const SwParaPortion* pPara = GetPara()) + { + (void)xmlTextWriterStartElement(writer, BAD_CAST("SwParaPortion")); + TextFrameIndex nOffset(0); + const OUString& rText = GetText(); + (void)xmlTextWriterWriteFormatAttribute(writer, BAD_CAST("ptr"), "%p", pPara); + const SwLineLayout* pLine = pPara; + if (IsFollow()) + { + nOffset += GetOffset(); + } + while (pLine) + { + (void)xmlTextWriterStartElement(writer, BAD_CAST("SwLineLayout")); + pLine->dumpAsXmlAttributes(writer, rText, nOffset); + const SwLinePortion* pPor = pLine->GetFirstPortion(); + while (pPor) + { + pPor->dumpAsXml(writer, rText, nOffset); + pPor = pPor->GetNextPortion(); + } + (void)xmlTextWriterEndElement(writer); + pLine = pLine->GetNext(); + } + (void)xmlTextWriterEndElement(writer); + } + + (void)xmlTextWriterEndElement(writer); +} + +namespace sw { + +SwTextFrame * MakeTextFrame(SwTextNode & rNode, SwFrame *const pSibling, + sw::FrameMode const eMode) +{ + return new SwTextFrame(&rNode, pSibling, eMode); +} + +void RemoveFootnotesForNode( + SwRootFrame const& rLayout, SwTextNode const& rTextNode, + std::vector<std::pair<sal_Int32, sal_Int32>> const*const pExtents) +{ + if (pExtents && pExtents->empty()) + { + return; // nothing to do + } + const SwFootnoteIdxs &rFootnoteIdxs = rTextNode.GetDoc().GetFootnoteIdxs(); + size_t nPos = 0; + SwNodeOffset const nIndex = rTextNode.GetIndex(); + rFootnoteIdxs.SeekEntry( rTextNode, &nPos ); + if (nPos < rFootnoteIdxs.size()) + { + while (nPos && rTextNode == (rFootnoteIdxs[ nPos ]->GetTextNode())) + --nPos; + if (nPos || rTextNode != (rFootnoteIdxs[ nPos ]->GetTextNode())) + ++nPos; + } + size_t iter(0); + for ( ; nPos < rFootnoteIdxs.size(); ++nPos) + { + SwTextFootnote* pTextFootnote = rFootnoteIdxs[ nPos ]; + if (pTextFootnote->GetTextNode().GetIndex() > nIndex) + break; + if (pExtents) + { + while ((*pExtents)[iter].second <= pTextFootnote->GetStart()) + { + ++iter; + if (iter == pExtents->size()) + { + return; + } + } + if (pTextFootnote->GetStart() < (*pExtents)[iter].first) + { + continue; + } + } + pTextFootnote->DelFrames(&rLayout); + } +} + +} // namespace sw + +void SwTextFrame::DestroyImpl() +{ + // Remove associated SwParaPortion from s_pTextCache + ClearPara(); + + assert(!GetDoc().IsInDtor()); // this shouldn't be happening with ViewShell owning layout + if (!GetDoc().IsInDtor() && HasFootnote()) + { + if (m_pMergedPara) + { + SwTextNode const* pNode(nullptr); + for (auto const& e : m_pMergedPara->extents) + { + if (e.pNode != pNode) + { + pNode = e.pNode; + // sw_redlinehide: not sure if it's necessary to check + // if the nodes are still alive here, which would require + // accessing WriterMultiListener::m_vDepends + sw::RemoveFootnotesForNode(*getRootFrame(), *pNode, nullptr); + } + } + } + else + { + SwTextNode *const pNode(static_cast<SwTextNode*>(GetDep())); + if (pNode) + { + sw::RemoveFootnotesForNode(*getRootFrame(), *pNode, nullptr); + } + } + } + + if (!GetDoc().IsInDtor()) + { + if (SwView* pView = GetActiveView()) + pView->GetEditWin().GetFrameControlsManager().RemoveControls(this); + } + + SwContentFrame::DestroyImpl(); +} + +SwTextFrame::~SwTextFrame() +{ + RemoveFromCache(); +} + +namespace sw { + +// 1. if real insert => correct nStart/nEnd for full nLen +// 2. if rl un-delete => do not correct nStart/nEnd but just include un-deleted +static TextFrameIndex UpdateMergedParaForInsert(MergedPara & rMerged, + bool const isRealInsert, + SwTextNode const& rNode, sal_Int32 const nIndex, sal_Int32 const nLen) +{ + assert(!isRealInsert || nLen); // can 0 happen? yes, for redline in empty node + assert(nIndex <= rNode.Len()); + assert(nIndex + nLen <= rNode.Len()); + assert(rMerged.pFirstNode->GetIndex() <= rNode.GetIndex() && rNode.GetIndex() <= rMerged.pLastNode->GetIndex()); + if (!nLen) + { + return TextFrameIndex(0); + } + OUStringBuffer text(rMerged.mergedText); + sal_Int32 nTFIndex(0); // index used for insertion at the end + sal_Int32 nInserted(0); + bool bInserted(false); + bool bFoundNode(false); + auto itInsert(rMerged.extents.end()); + for (auto it = rMerged.extents.begin(); it != rMerged.extents.end(); ++it) + { + if (it->pNode == &rNode) + { + if (isRealInsert) + { + bFoundNode = true; + if (it->nStart <= nIndex && nIndex <= it->nEnd) + { // note: this can happen only once + text.insert(nTFIndex + (nIndex - it->nStart), + rNode.GetText().subView(nIndex, nLen)); + it->nEnd += nLen; + nInserted = nLen; + assert(!bInserted); + bInserted = true; + } + else if (nIndex < it->nStart) + { + if (itInsert == rMerged.extents.end()) + { + itInsert = it; + } + it->nStart += nLen; + it->nEnd += nLen; + } + } + else + { + assert(it == rMerged.extents.begin() || (it-1)->pNode != &rNode || (it-1)->nEnd < nIndex); + if (nIndex + nLen < it->nStart) + { + itInsert = it; + break; + } + if (nIndex < it->nStart) + { + text.insert(nTFIndex, + rNode.GetText().subView(nIndex, it->nStart - nIndex)); + nInserted += it->nStart - nIndex; + it->nStart = nIndex; + bInserted = true; + } + assert(it->nStart <= nIndex); + if (nIndex <= it->nEnd) + { + nTFIndex += it->nEnd - it->nStart; + while (it->nEnd < nIndex + nLen) + { + auto *const pNext( + (it+1) != rMerged.extents.end() && (it+1)->pNode == it->pNode + ? &*(it+1) + : nullptr); + if (pNext && pNext->nStart <= nIndex + nLen) + { + text.insert(nTFIndex, + rNode.GetText().subView(it->nEnd, pNext->nStart - it->nEnd)); + nTFIndex += pNext->nStart - it->nEnd; + nInserted += pNext->nStart - it->nEnd; + pNext->nStart = it->nStart; + it = rMerged.extents.erase(it); + } + else + { + text.insert(nTFIndex, + rNode.GetText().subView(it->nEnd, nIndex + nLen - it->nEnd)); + nTFIndex += nIndex + nLen - it->nEnd; + nInserted += nIndex + nLen - it->nEnd; + it->nEnd = nIndex + nLen; + } + } + bInserted = true; + break; + } + } + } + else if (rNode.GetIndex() < it->pNode->GetIndex() || bFoundNode) + { + if (itInsert == rMerged.extents.end()) + { + itInsert = it; + } + break; + } + if (itInsert == rMerged.extents.end()) + { + nTFIndex += it->nEnd - it->nStart; + } + } +// assert((bFoundNode || rMerged.extents.empty()) && "text node not found - why is it sending hints to us"); + if (!bInserted) + { // must be in a gap + rMerged.extents.emplace(itInsert, const_cast<SwTextNode*>(&rNode), nIndex, nIndex + nLen); + text.insert(nTFIndex, rNode.GetText().subView(nIndex, nLen)); + nInserted = nLen; + if (rMerged.extents.size() == 1 // also if it was empty! + || rMerged.pParaPropsNode->GetIndex() < rNode.GetIndex()) + { // text inserted after current para-props node + rMerged.pParaPropsNode->RemoveFromListRLHidden(); + rMerged.pParaPropsNode = &const_cast<SwTextNode&>(rNode); + rMerged.pParaPropsNode->AddToListRLHidden(); + } + // called from SwRangeRedline::InvalidateRange() + if (rNode.GetRedlineMergeFlag() == SwNode::Merge::Hidden) + { + const_cast<SwTextNode&>(rNode).SetRedlineMergeFlag(SwNode::Merge::NonFirst); + } + } + rMerged.mergedText = text.makeStringAndClear(); + return TextFrameIndex(nInserted); +} + +// 1. if real delete => correct nStart/nEnd for full nLen +// 2. if rl delete => do not correct nStart/nEnd but just exclude deleted +TextFrameIndex UpdateMergedParaForDelete(MergedPara & rMerged, + bool const isRealDelete, + SwTextNode const& rNode, sal_Int32 nIndex, sal_Int32 const nLen) +{ + assert(nIndex <= rNode.Len()); + assert(rMerged.pFirstNode->GetIndex() <= rNode.GetIndex() && rNode.GetIndex() <= rMerged.pLastNode->GetIndex()); + OUStringBuffer text(rMerged.mergedText); + sal_Int32 nTFIndex(0); + sal_Int32 nToDelete(nLen); + sal_Int32 nDeleted(0); + size_t nFoundNode(0); + size_t nErased(0); + auto it = rMerged.extents.begin(); + for (; it != rMerged.extents.end(); ) + { + bool bErase(false); + if (it->pNode == &rNode) + { + ++nFoundNode; + if (nIndex + nToDelete < it->nStart) + { + nToDelete = 0; + if (!isRealDelete) + { + break; + } + it->nStart -= nLen; + it->nEnd -= nLen; + } + else + { + if (nIndex < it->nStart) + { + // do not adjust nIndex into the text frame index space! + nToDelete -= it->nStart - nIndex; + nIndex = it->nStart; + // note: continue with the if check below, no else! + } + if (it->nStart <= nIndex && nIndex < it->nEnd) + { + sal_Int32 const nDeleteHere(nIndex + nToDelete <= it->nEnd + ? nToDelete + : it->nEnd - nIndex); + text.remove(nTFIndex + (nIndex - it->nStart), nDeleteHere); + bErase = nDeleteHere == it->nEnd - it->nStart; + if (bErase) + { + ++nErased; + assert(it->nStart == nIndex); + it = rMerged.extents.erase(it); + } + else if (isRealDelete) + { // adjust for deleted text + it->nStart -= (nLen - nToDelete); + it->nEnd -= (nLen - nToDelete + nDeleteHere); + if (it != rMerged.extents.begin() + && (it-1)->pNode == &rNode + && (it-1)->nEnd == it->nStart) + { // merge adjacent extents + nTFIndex += it->nEnd - it->nStart; + (it-1)->nEnd = it->nEnd; + it = rMerged.extents.erase(it); + bErase = true; // skip increment + } + } + else + { // exclude text marked as deleted + if (nIndex + nDeleteHere == it->nEnd) + { + it->nEnd -= nDeleteHere; + } + else + { + if (nIndex == it->nStart) + { + it->nStart += nDeleteHere; + } + else + { + sal_Int32 const nOldEnd(it->nEnd); + it->nEnd = nIndex; + it = rMerged.extents.emplace(it+1, + it->pNode, nIndex + nDeleteHere, nOldEnd); + } + assert(nDeleteHere == nToDelete); + } + } + nDeleted += nDeleteHere; + nToDelete -= nDeleteHere; + nIndex += nDeleteHere; + if (!isRealDelete && nToDelete == 0) + { + break; + } + } + } + } + else if (nFoundNode != 0) + { + break; + } + if (!bErase) + { + nTFIndex += it->nEnd - it->nStart; + ++it; + } + } +// assert(nFoundNode != 0 && "text node not found - why is it sending hints to us"); + assert(nIndex <= rNode.Len() + nLen); + // if there's a remaining deletion, it must be in gap at the end of the node +// can't do: might be last one in node was erased assert(nLen == 0 || rMerged.empty() || (it-1)->nEnd <= nIndex); + // note: if first node gets deleted then that must call DelFrames as + // pFirstNode is never updated + if (nErased && nErased == nFoundNode) + { // all visible text from node was erased +#if 1 + if (rMerged.pParaPropsNode == &rNode) + { + rMerged.pParaPropsNode->RemoveFromListRLHidden(); + rMerged.pParaPropsNode = rMerged.extents.empty() + ? const_cast<SwTextNode*>(rMerged.pLastNode) + : rMerged.extents.front().pNode; + rMerged.pParaPropsNode->AddToListRLHidden(); + } +#endif +// NOPE must listen on all non-hidden nodes; particularly on pLastNode rMerged.listener.EndListening(&const_cast<SwTextNode&>(rNode)); + } + rMerged.mergedText = text.makeStringAndClear(); + return TextFrameIndex(nDeleted); +} + +std::pair<SwTextNode*, sal_Int32> +MapViewToModel(MergedPara const& rMerged, TextFrameIndex const i_nIndex) +{ + sal_Int32 nIndex(i_nIndex); + sw::Extent const* pExtent(nullptr); + for (const auto& rExt : rMerged.extents) + { + pExtent = &rExt; + if (nIndex < (pExtent->nEnd - pExtent->nStart)) + { + return std::make_pair(pExtent->pNode, pExtent->nStart + nIndex); + } + nIndex = nIndex - (pExtent->nEnd - pExtent->nStart); + } + assert(nIndex == 0 && "view index out of bounds"); + return pExtent + ? std::make_pair(pExtent->pNode, pExtent->nEnd) //1-past-the-end index + : std::make_pair(const_cast<SwTextNode*>(rMerged.pLastNode), rMerged.pLastNode->Len()); +} + +TextFrameIndex MapModelToView(MergedPara const& rMerged, SwTextNode const*const pNode, sal_Int32 const nIndex) +{ + assert(rMerged.pFirstNode->GetIndex() <= pNode->GetIndex() + && pNode->GetIndex() <= rMerged.pLastNode->GetIndex()); + sal_Int32 nRet(0); + bool bFoundNode(false); + for (auto const& e : rMerged.extents) + { + if (pNode->GetIndex() < e.pNode->GetIndex()) + { + return TextFrameIndex(nRet); + } + if (e.pNode == pNode) + { + if (e.nStart <= nIndex && nIndex <= e.nEnd) + { + return TextFrameIndex(nRet + (nIndex - e.nStart)); + } + else if (nIndex < e.nStart) + { + // in gap before this extent => map to 0 here TODO??? + return TextFrameIndex(nRet); + } + bFoundNode = true; + } + else if (bFoundNode) + { + break; + } + nRet += e.nEnd - e.nStart; + } + if (bFoundNode) + { + // must be in a gap at the end of the node + assert(nIndex <= pNode->Len()); + return TextFrameIndex(nRet); + } + else if (rMerged.extents.empty()) + { + assert(nIndex <= pNode->Len()); + return TextFrameIndex(0); + } + return TextFrameIndex(rMerged.mergedText.getLength()); +} + +} // namespace sw + +std::pair<SwTextNode*, sal_Int32> +SwTextFrame::MapViewToModel(TextFrameIndex const nIndex) const +{ +//nope assert(GetPara()); + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + { + return sw::MapViewToModel(*pMerged, nIndex); + } + else + { + return std::make_pair(static_cast<SwTextNode*>(const_cast<sw::BroadcastingModify*>( + SwFrame::GetDep())), sal_Int32(nIndex)); + } +} + +SwPosition SwTextFrame::MapViewToModelPos(TextFrameIndex const nIndex) const +{ + std::pair<SwTextNode*, sal_Int32> const ret(MapViewToModel(nIndex)); + return SwPosition(*ret.first, ret.second); +} + +TextFrameIndex SwTextFrame::MapModelToView(SwTextNode const*const pNode, sal_Int32 const nIndex) const +{ +//nope assert(GetPara()); + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + { + return sw::MapModelToView(*pMerged, pNode, nIndex); + } + else + { + assert(static_cast<const SwTextNode*>(SwFrame::GetDep()) == pNode); + return TextFrameIndex(nIndex); + } +} + +TextFrameIndex SwTextFrame::MapModelToViewPos(SwPosition const& rPos) const +{ + SwTextNode const*const pNode(rPos.GetNode().GetTextNode()); + sal_Int32 const nIndex(rPos.GetContentIndex()); + return MapModelToView(pNode, nIndex); +} + +void SwTextFrame::SetMergedPara(std::unique_ptr<sw::MergedPara> p) +{ + SwTextNode *const pFirst(m_pMergedPara ? m_pMergedPara->pFirstNode : nullptr); + m_pMergedPara = std::move(p); + if (pFirst) + { + if (m_pMergedPara) + { + assert(pFirst == m_pMergedPara->pFirstNode); + } + else + { + pFirst->Add(this); // must register at node again + } + } + // postcondition: frame must be listening somewhere + assert(m_pMergedPara || GetDep()); +} + +const OUString& SwTextFrame::GetText() const +{ +//nope assert(GetPara()); + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + return pMerged->mergedText; + else + return static_cast<SwTextNode const*>(SwFrame::GetDep())->GetText(); +} + +SwTextNode const* SwTextFrame::GetTextNodeForParaProps() const +{ + // FIXME can GetPara be 0 ? yes... this is needed in SwContentNotify::SwContentNotify() which is called before any formatting is started +//nope assert(GetPara()); + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + { +// assert(pMerged->pFirstNode == pMerged->pParaPropsNode); // surprising news! + return pMerged->pParaPropsNode; + } + else + return static_cast<SwTextNode const*>(SwFrame::GetDep()); +} + +SwTextNode const* SwTextFrame::GetTextNodeForFirstText() const +{ + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + return pMerged->extents.empty() + ? pMerged->pFirstNode + : pMerged->extents.front().pNode; + else + return static_cast<SwTextNode const*>(SwFrame::GetDep()); +} + +SwTextNode const* SwTextFrame::GetTextNodeFirst() const +{ +//nope assert(GetPara()); + sw::MergedPara const*const pMerged(GetMergedPara()); + if (pMerged) + return pMerged->pFirstNode; + else + return static_cast<SwTextNode const*>(SwFrame::GetDep()); +} + +SwDoc const& SwTextFrame::GetDoc() const +{ + return GetTextNodeFirst()->GetDoc(); +} + +LanguageType SwTextFrame::GetLangOfChar(TextFrameIndex const nIndex, + sal_uInt16 const nScript, bool const bNoChar) const +{ + // a single character can be mapped uniquely! + std::pair<SwTextNode const*, sal_Int32> const pos(MapViewToModel(nIndex)); + return pos.first->GetLang(pos.second, bNoChar ? 0 : 1, nScript); +} + +void SwTextFrame::ResetPreps() +{ + if ( GetCacheIdx() != USHRT_MAX ) + { + if (SwParaPortion *pPara = GetPara()) + pPara->ResetPreps(); + } +} + +bool SwTextFrame::IsHiddenNow() const +{ + SwFrameSwapper aSwapper( this, true ); + + if( !getFrameArea().Width() && isFrameAreaDefinitionValid() && GetUpper()->isFrameAreaDefinitionValid() ) // invalid when stack overflows (StackHack)! + { +// OSL_FAIL( "SwTextFrame::IsHiddenNow: thin frame" ); + return true; + } + + bool bHiddenCharsHidePara(false); + bool bHiddenParaField(false); + if (m_pMergedPara) + { + TextFrameIndex nHiddenStart(COMPLETE_STRING); + TextFrameIndex nHiddenEnd(0); + if (auto const pScriptInfo = GetScriptInfo()) + { + pScriptInfo->GetBoundsOfHiddenRange(TextFrameIndex(0), + nHiddenStart, nHiddenEnd); + } + else // ParaPortion is created in Format, but this is called earlier + { + SwScriptInfo aInfo; + aInfo.InitScriptInfo(*m_pMergedPara->pFirstNode, m_pMergedPara.get(), IsRightToLeft()); + aInfo.GetBoundsOfHiddenRange(TextFrameIndex(0), + nHiddenStart, nHiddenEnd); + } + if (TextFrameIndex(0) == nHiddenStart && + TextFrameIndex(GetText().getLength()) <= nHiddenEnd) + { + bHiddenCharsHidePara = true; + } + sw::MergedAttrIter iter(*this); + SwTextNode const* pNode(nullptr); + int nNewResultWeight = 0; + for (SwTextAttr const* pHint = iter.NextAttr(&pNode); pHint; pHint = iter.NextAttr(&pNode)) + { + if (pHint->Which() == RES_TXTATR_FIELD) + { + // see also SwpHints::CalcHiddenParaField() + const SwFormatField& rField = pHint->GetFormatField(); + int nCurWeight = pNode->GetDoc().FieldCanHideParaWeight(rField.GetField()->GetTyp()->Which()); + if (nCurWeight > nNewResultWeight) + { + nNewResultWeight = nCurWeight; + bHiddenParaField = pNode->GetDoc().FieldHidesPara(*rField.GetField()); + } + else if (nCurWeight == nNewResultWeight && bHiddenParaField) + { + // Currently, for both supported hiding types (HiddenPara, Database), "Don't hide" + // takes precedence - i.e., if there's a "Don't hide" field of that weight, we only + // care about fields of higher weight. + bHiddenParaField = pNode->GetDoc().FieldHidesPara(*rField.GetField()); + } + } + } + } + else + { + bHiddenCharsHidePara = static_cast<SwTextNode const*>(SwFrame::GetDep())->HasHiddenCharAttribute( true ); + bHiddenParaField = static_cast<SwTextNode const*>(SwFrame::GetDep())->IsHiddenByParaField(); + } + const SwViewShell* pVsh = getRootFrame()->GetCurrShell(); + + if ( pVsh && ( bHiddenCharsHidePara || bHiddenParaField ) ) + { + + if ( + ( bHiddenParaField && + ( !pVsh->GetViewOptions()->IsShowHiddenPara() && + !pVsh->GetViewOptions()->IsFieldName() ) ) || + ( bHiddenCharsHidePara && + !pVsh->GetViewOptions()->IsShowHiddenChar() ) ) + { + // in order to put the cursor in the body text, one paragraph must + // be visible - check this for the 1st body paragraph + if (IsInDocBody() && FindPrevCnt() == nullptr) + { + bool isAllHidden(true); + for (SwContentFrame const* pNext = FindNextCnt(true); + pNext != nullptr; pNext = pNext->FindNextCnt(true)) + { + if (!pNext->IsTextFrame() + || !static_cast<SwTextFrame const*>(pNext)->IsHiddenNow()) + { + isAllHidden = false; + break; + } + } + if (isAllHidden) + { + SAL_INFO("sw.core", "unhiding one body paragraph"); + return false; + } + } + return true; + } + } + + return false; +} + +/// Removes Textfrm's attachments, when it's hidden +void SwTextFrame::HideHidden() +{ + OSL_ENSURE( !GetFollow() && IsHiddenNow(), + "HideHidden on visible frame of hidden frame has follow" ); + + HideFootnotes(GetOffset(), TextFrameIndex(COMPLETE_STRING)); + HideAndShowObjects(); + + // format information is obsolete + ClearPara(); +} + +void SwTextFrame::HideFootnotes(TextFrameIndex const nStart, TextFrameIndex const nEnd) +{ + SwPageFrame *pPage = nullptr; + sw::MergedAttrIter iter(*this); + SwTextNode const* pNode(nullptr); + for (SwTextAttr const* pHt = iter.NextAttr(&pNode); pHt; pHt = iter.NextAttr(&pNode)) + { + if (pHt->Which() == RES_TXTATR_FTN) + { + TextFrameIndex const nIdx(MapModelToView(pNode, pHt->GetStart())); + if (nEnd < nIdx) + break; + if (nStart <= nIdx) + { + if (!pPage) + pPage = FindPageFrame(); + pPage->RemoveFootnote( this, static_cast<const SwTextFootnote*>(pHt) ); + } + } + } +} + +/** + * as-character anchored graphics, which are used for a graphic bullet list. + * As long as these graphic bullet list aren't imported, do not hide a + * at-character anchored object, if + * (a) the document is an imported WW8 document - + * checked by checking certain compatibility options - + * (b) the paragraph is the last content in the document and + * (c) the anchor character is an as-character anchored graphic. + */ +bool sw_HideObj( const SwTextFrame& _rFrame, + const RndStdIds _eAnchorType, + SwFormatAnchor const& rFormatAnchor, + SwAnchoredObject* _pAnchoredObj ) +{ + bool bRet( true ); + + if (_eAnchorType == RndStdIds::FLY_AT_CHAR) + { + const IDocumentSettingAccess *const pIDSA = &_rFrame.GetDoc().getIDocumentSettingAccess(); + if ( !pIDSA->get(DocumentSettingId::USE_FORMER_TEXT_WRAPPING) && + !pIDSA->get(DocumentSettingId::OLD_LINE_SPACING) && + !pIDSA->get(DocumentSettingId::USE_FORMER_OBJECT_POS) && + pIDSA->get(DocumentSettingId::CONSIDER_WRAP_ON_OBJECT_POSITION) && + _rFrame.IsInDocBody() && !_rFrame.FindNextCnt() ) + { + SwTextNode const& rNode(*rFormatAnchor.GetAnchorNode()->GetTextNode()); + assert(FrameContainsNode(_rFrame, rNode.GetIndex())); + sal_Int32 const nObjAnchorPos(rFormatAnchor.GetAnchorContentOffset()); + const sal_Unicode cAnchorChar = nObjAnchorPos < rNode.Len() + ? rNode.GetText()[nObjAnchorPos] + : 0; + if (cAnchorChar == CH_TXTATR_BREAKWORD) + { + const SwTextAttr* const pHint( + rNode.GetTextAttrForCharAt(nObjAnchorPos, RES_TXTATR_FLYCNT)); + if ( pHint ) + { + const SwFrameFormat* pFrameFormat = + static_cast<const SwTextFlyCnt*>(pHint)->GetFlyCnt().GetFrameFormat(); + if ( pFrameFormat->Which() == RES_FLYFRMFMT ) + { + SwNodeIndex nContentIndex = *(pFrameFormat->GetContent().GetContentIdx()); + ++nContentIndex; + if ( nContentIndex.GetNode().IsNoTextNode() ) + { + bRet = false; + // set needed data structure values for object positioning + SwRectFnSet aRectFnSet(&_rFrame); + SwRect aLastCharRect( _rFrame.getFrameArea() ); + aRectFnSet.SetWidth( aLastCharRect, 1 ); + _pAnchoredObj->maLastCharRect = aLastCharRect; + _pAnchoredObj->mnLastTopOfLine = aRectFnSet.GetTop(aLastCharRect); + } + } + } + } + } + } + + return bRet; +} + +/** + * Hide/show objects + * + * Method hides respectively shows objects, which are anchored at paragraph, + * at/as a character of the paragraph, corresponding to the paragraph and + * paragraph portion visibility. + * + * - is called from HideHidden() - should hide objects in hidden paragraphs and + * - from Format_() - should hide/show objects in partly visible paragraphs + */ +void SwTextFrame::HideAndShowObjects() +{ + if ( GetDrawObjs() ) + { + if ( IsHiddenNow() ) + { + // complete paragraph is hidden. Thus, hide all objects + for (SwAnchoredObject* i : *GetDrawObjs()) + { + SdrObject* pObj = i->DrawObj(); + SwContact* pContact = static_cast<SwContact*>(pObj->GetUserCall()); + // under certain conditions + const RndStdIds eAnchorType( pContact->GetAnchorId() ); + if ((eAnchorType != RndStdIds::FLY_AT_CHAR) || + sw_HideObj(*this, eAnchorType, pContact->GetAnchorFormat(), + i )) + { + pContact->MoveObjToInvisibleLayer( pObj ); + } + } + } + else + { + // paragraph is visible, but can contain hidden text portion. + // first we check if objects are allowed to be hidden: + const SwViewShell* pVsh = getRootFrame()->GetCurrShell(); + const bool bShouldBeHidden = !pVsh || !pVsh->GetWin() || + !pVsh->GetViewOptions()->IsShowHiddenChar(); + + // Thus, show all objects, which are anchored at paragraph and + // hide/show objects, which are anchored at/as character, according + // to the visibility of the anchor character. + for (SwAnchoredObject* i : *GetDrawObjs()) + { + SdrObject* pObj = i->DrawObj(); + SwContact* pContact = static_cast<SwContact*>(pObj->GetUserCall()); + // Determine anchor type only once + const RndStdIds eAnchorType( pContact->GetAnchorId() ); + + if (eAnchorType == RndStdIds::FLY_AT_PARA) + { + pContact->MoveObjToVisibleLayer( pObj ); + } + else if ((eAnchorType == RndStdIds::FLY_AT_CHAR) || + (eAnchorType == RndStdIds::FLY_AS_CHAR)) + { + sal_Int32 nHiddenStart; + sal_Int32 nHiddenEnd; + const SwFormatAnchor& rAnchorFormat = pContact->GetAnchorFormat(); + SwScriptInfo::GetBoundsOfHiddenRange( + *rAnchorFormat.GetAnchorNode()->GetTextNode(), + rAnchorFormat.GetAnchorContentOffset(), nHiddenStart, nHiddenEnd); + // Under certain conditions + if ( nHiddenStart != COMPLETE_STRING && bShouldBeHidden && + sw_HideObj(*this, eAnchorType, rAnchorFormat, i)) + { + pContact->MoveObjToInvisibleLayer( pObj ); + } + else + pContact->MoveObjToVisibleLayer( pObj ); + } + else + { + OSL_FAIL( "<SwTextFrame::HideAndShowObjects()> - object not anchored at/inside paragraph!?" ); + } + } + } + } + + if (IsFollow()) + { + SwTextFrame *pMaster = FindMaster(); + OSL_ENSURE(pMaster, "SwTextFrame without master"); + if (pMaster) + pMaster->HideAndShowObjects(); + } +} + +/** + * Returns the first possible break point in the current line. + * This method is used in SwTextFrame::Format() to decide whether the previous + * line has to be formatted as well. + * nFound is <= nEndLine. + */ +TextFrameIndex SwTextFrame::FindBrk(std::u16string_view aText, + const TextFrameIndex nStart, + const TextFrameIndex nEnd) +{ + sal_Int32 nFound = sal_Int32(nStart); + const sal_Int32 nEndLine = std::min(sal_Int32(nEnd), sal_Int32(aText.size()) - 1); + + // Skip all leading blanks. + while( nFound <= nEndLine && ' ' == aText[nFound] ) + { + nFound++; + } + + // A tricky situation with the TextAttr-Dummy-character (in this case "$"): + // "Dr.$Meyer" at the beginning of the second line. Typing a blank after that + // doesn't result in the word moving into first line, even though that would work. + // For this reason we don't skip the dummy char. + while( nFound <= nEndLine && ' ' != aText[nFound] ) + { + nFound++; + } + + return TextFrameIndex(nFound); +} + +bool SwTextFrame::IsIdxInside(TextFrameIndex const nPos, TextFrameIndex const nLen) const +{ + if (nPos == TextFrameIndex(COMPLETE_STRING)) // the "not found" range + return false; +// Silence over-eager warning emitted at least by GCC trunk towards 6: +#if defined __GNUC__ && !defined __clang__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wstrict-overflow" +#endif + if (nLen != TextFrameIndex(COMPLETE_STRING) && GetOffset() > nPos + nLen) // the range preceded us +#if defined __GNUC__ && !defined __clang__ +#pragma GCC diagnostic pop +#endif + return false; + + if( !GetFollow() ) // the range doesn't precede us, + return true; // nobody follows us. + + TextFrameIndex const nMax = GetFollow()->GetOffset(); + + // either the range overlap or our text has been deleted + // sw_redlinehide: GetText() should be okay here because it has already + // been updated in the INS/DEL hint case + if (nMax > nPos || nMax > TextFrameIndex(GetText().getLength())) + return true; + + // changes made in the first line of a follow can modify the master + const SwParaPortion* pPara = GetFollow()->GetPara(); + return pPara && ( nPos <= nMax + pPara->GetLen() ); +} + +inline void SwTextFrame::InvalidateRange(const SwCharRange &aRange, const tools::Long nD) +{ + if ( IsIdxInside( aRange.Start(), aRange.Len() ) ) + InvalidateRange_( aRange, nD ); +} + +void SwTextFrame::InvalidateRange_( const SwCharRange &aRange, const tools::Long nD) +{ + if ( !HasPara() ) + { InvalidateSize(); + return; + } + + SetWidow( false ); + SwParaPortion *pPara = GetPara(); + + bool bInv = false; + if( 0 != nD ) + { + // In nDelta the differences between old and new + // linelengths are being added, that's why it's negative + // if chars have been added and positive, if chars have + // deleted + pPara->SetDelta(pPara->GetDelta() + nD); + bInv = true; + } + SwCharRange &rReformat = pPara->GetReformat(); + if(aRange != rReformat) { + if (TextFrameIndex(COMPLETE_STRING) == rReformat.Len()) + rReformat = aRange; + else + rReformat += aRange; + bInv = true; + } + if(bInv) + { + InvalidateSize(); + } +} + +void SwTextFrame::CalcLineSpace() +{ + OSL_ENSURE( ! IsVertical() || ! IsSwapped(), + "SwTextFrame::CalcLineSpace with swapped frame!" ); + + if( IsLocked() || !HasPara() ) + return; + + if( GetDrawObjs() || + GetTextNodeForParaProps()->GetSwAttrSet().GetFirstLineIndent().IsAutoFirst()) + { + Init(); + return; + } + + SwParaPortion *const pPara(GetPara()); + assert(pPara); + if (pPara->IsFixLineHeight()) + { + Init(); + return; + } + + Size aNewSize( getFramePrintArea().SSize() ); + + SwTextFormatInfo aInf( getRootFrame()->GetCurrShell()->GetOut(), this ); + SwTextFormatter aLine( this, &aInf ); + if( aLine.GetDropLines() ) + { + Init(); + return; + } + + aLine.Top(); + aLine.RecalcRealHeight(); + + aNewSize.setHeight( (aLine.Y() - getFrameArea().Top()) + aLine.GetLineHeight() ); + + SwTwips nDelta = aNewSize.Height() - getFramePrintArea().Height(); + // Underflow with free-flying frames + if( aInf.GetTextFly().IsOn() ) + { + SwRect aTmpFrame( getFrameArea() ); + if( nDelta < 0 ) + aTmpFrame.Height( getFramePrintArea().Height() ); + else + aTmpFrame.Height( aNewSize.Height() ); + if( aInf.GetTextFly().Relax( aTmpFrame ) ) + { + Init(); + return; + } + } + + if( !nDelta ) + return; + + SwTextFrameBreak aBreak( this ); + if( GetFollow() || aBreak.IsBreakNow( aLine ) ) + { + // if there is a Follow() or if we need to break here, reformat + Init(); + } + else + { + // everything is business as usual... + pPara->SetPrepAdjust(); + pPara->SetPrep(); + } +} + +static void lcl_SetWrong( SwTextFrame& rFrame, SwTextNode const& rNode, + sal_Int32 const nPos, sal_Int32 const nCnt, bool const bMove) +{ + if ( !rFrame.IsFollow() ) + { + SwTextNode& rTextNode = const_cast<SwTextNode&>(rNode); + sw::GrammarContact* pGrammarContact = sw::getGrammarContactFor(rTextNode); + SwGrammarMarkUp* pWrongGrammar = pGrammarContact ? + pGrammarContact->getGrammarCheck( rTextNode, false ) : + rTextNode.GetGrammarCheck(); + bool bGrammarProxy = pWrongGrammar != rTextNode.GetGrammarCheck(); + if( bMove ) + { + if( rTextNode.GetWrong() ) + rTextNode.GetWrong()->Move( nPos, nCnt ); + if( pWrongGrammar ) + pWrongGrammar->MoveGrammar( nPos, nCnt ); + if( bGrammarProxy && rTextNode.GetGrammarCheck() ) + rTextNode.GetGrammarCheck()->MoveGrammar( nPos, nCnt ); + if( rTextNode.GetSmartTags() ) + rTextNode.GetSmartTags()->Move( nPos, nCnt ); + } + else + { + if( rTextNode.GetWrong() ) + rTextNode.GetWrong()->Invalidate( nPos, nCnt ); + if( pWrongGrammar ) + pWrongGrammar->Invalidate( nPos, nCnt ); + if( rTextNode.GetSmartTags() ) + rTextNode.GetSmartTags()->Invalidate( nPos, nCnt ); + } + const sal_Int32 nEnd = nPos + (nCnt > 0 ? nCnt : 1 ); + if ( !rTextNode.GetWrong() && !rTextNode.IsWrongDirty() ) + { + rTextNode.SetWrong( std::make_unique<SwWrongList>( WRONGLIST_SPELL ) ); + rTextNode.GetWrong()->SetInvalid( nPos, nEnd ); + } + if ( !rTextNode.GetSmartTags() && !rTextNode.IsSmartTagDirty() ) + { + rTextNode.SetSmartTags( std::make_unique<SwWrongList>( WRONGLIST_SMARTTAG ) ); + rTextNode.GetSmartTags()->SetInvalid( nPos, nEnd ); + } + rTextNode.SetWrongDirty(sw::WrongState::TODO); + rTextNode.SetGrammarCheckDirty( true ); + rTextNode.SetWordCountDirty( true ); + rTextNode.SetAutoCompleteWordDirty( true ); + rTextNode.SetSmartTagDirty( true ); + } + + SwRootFrame *pRootFrame = rFrame.getRootFrame(); + if (pRootFrame) + { + pRootFrame->SetNeedGrammarCheck( true ); + } + + SwPageFrame *pPage = rFrame.FindPageFrame(); + if( pPage ) + { + pPage->InvalidateSpelling(); + pPage->InvalidateAutoCompleteWords(); + pPage->InvalidateWordCount(); + pPage->InvalidateSmartTags(); + } +} + +static void lcl_SetScriptInval(SwTextFrame& rFrame, TextFrameIndex const nPos) +{ + if( rFrame.GetPara() ) + rFrame.GetPara()->GetScriptInfo().SetInvalidityA( nPos ); +} + +// note: SwClientNotify will be called once for every frame => just fix own Ofst +static void lcl_ModifyOfst(SwTextFrame & rFrame, + TextFrameIndex const nPos, TextFrameIndex const nLen, + TextFrameIndex (* op)(TextFrameIndex const&, TextFrameIndex const&)) +{ + assert(nLen != TextFrameIndex(COMPLETE_STRING)); + if (rFrame.IsFollow() && nPos < rFrame.GetOffset()) + { + rFrame.ManipOfst( std::max(nPos, op(rFrame.GetOffset(), nLen)) ); + assert(sal_Int32(rFrame.GetOffset()) <= rFrame.GetText().getLength()); + } +} + +namespace { + +void UpdateMergedParaForMove(sw::MergedPara & rMerged, + SwTextFrame & rTextFrame, + bool & o_rbRecalcFootnoteFlag, + SwTextNode const& rDestNode, + SwTextNode const& rNode, + sal_Int32 const nDestStart, + sal_Int32 const nSourceStart, + sal_Int32 const nLen) +{ + std::vector<std::pair<sal_Int32, sal_Int32>> deleted; + sal_Int32 const nSourceEnd(nSourceStart + nLen); + sal_Int32 nLastEnd(0); + for (const auto& rExt : rMerged.extents) + { + if (rExt.pNode == &rNode) + { + sal_Int32 const nStart(std::max(nLastEnd, nSourceStart)); + sal_Int32 const nEnd(std::min(rExt.nStart, nSourceEnd)); + if (nStart < nEnd) + { + deleted.emplace_back(nStart, nEnd); + } + nLastEnd = rExt.nEnd; + if (nSourceEnd <= rExt.nEnd) + { + break; + } + } + else if (rNode.GetIndex() < rExt.pNode->GetIndex()) + { + break; + } + } + if (nLastEnd != rNode.Len()) // without nLen, string yet to be removed + { + if (nLastEnd < nSourceEnd) + { + deleted.emplace_back(std::max(nLastEnd, nSourceStart), nSourceEnd); + } + } + if (deleted.empty()) + return; + + o_rbRecalcFootnoteFlag = true; + for (auto const& it : deleted) + { + sal_Int32 const nStart(it.first - nSourceStart + nDestStart); + TextFrameIndex const nDeleted = UpdateMergedParaForDelete(rMerged, false, + rDestNode, nStart, it.second - it.first); +//FIXME asserts valid for join - but if called from split, the new node isn't there yet and it will be added later... assert(nDeleted); +// assert(nDeleted == it.second - it.first); + if(nDeleted) + { + // InvalidateRange/lcl_SetScriptInval was called sufficiently for InsertText + lcl_SetWrong(rTextFrame, rDestNode, nStart, it.first - it.second, false); + TextFrameIndex const nIndex(sw::MapModelToView(rMerged, &rDestNode, nStart)); + lcl_ModifyOfst(rTextFrame, nIndex, nDeleted, &o3tl::operator-<sal_Int32, Tag_TextFrameIndex>); + } + } +} + +} // namespace + +/** + * Related: fdo#56031 filter out attribute changes that don't matter for + * humans/a11y to stop flooding the destination mortal with useless noise + */ +#if !ENABLE_WASM_STRIP_ACCESSIBILITY +static bool isA11yRelevantAttribute(sal_uInt16 nWhich) +{ + return nWhich != RES_CHRATR_RSID; +} + +static bool hasA11yRelevantAttribute( const std::vector<sal_uInt16>& rWhichFmtAttr ) +{ + for( sal_uInt16 nWhich : rWhichFmtAttr ) + if ( isA11yRelevantAttribute( nWhich ) ) + return true; + + return false; +} +#endif // ENABLE_WASM_STRIP_ACCESSIBILITY + +// Note: for now this overrides SwClient::SwClientNotify; the intermediary +// classes still override SwClient::Modify, which should continue to work +// as their implementation of SwClientNotify is SwClient's which calls Modify. +// Therefore we also don't need to call SwClient::SwClientNotify(rModify, rHint) +// because that's all it does, and this implementation calls +// SwContentFrame::SwClientNotify() when appropriate. +void SwTextFrame::SwClientNotify(SwModify const& rModify, SfxHint const& rHint) +{ + SfxPoolItem const* pOld(nullptr); + SfxPoolItem const* pNew(nullptr); + sw::MoveText const* pMoveText(nullptr); + sw::InsertText const* pInsertText(nullptr); + sw::DeleteText const* pDeleteText(nullptr); + sw::DeleteChar const* pDeleteChar(nullptr); + sw::RedlineDelText const* pRedlineDelText(nullptr); + sw::RedlineUnDelText const* pRedlineUnDelText(nullptr); + + sal_uInt16 nWhich = 0; + if (rHint.GetId() == SfxHintId::SwLegacyModify) + { + auto pHint = static_cast<const sw::LegacyModifyHint*>(&rHint); + pOld = pHint->m_pOld; + pNew = pHint->m_pNew; + nWhich = pHint->GetWhich(); + } + else if (rHint.GetId() == SfxHintId::SwInsertText) + { + pInsertText = static_cast<const sw::InsertText*>(&rHint); + } + else if (rHint.GetId() == SfxHintId::SwDeleteText) + { + pDeleteText = static_cast<const sw::DeleteText*>(&rHint); + } + else if (rHint.GetId() == SfxHintId::SwDeleteChar) + { + pDeleteChar = static_cast<const sw::DeleteChar*>(&rHint); + } + else if (rHint.GetId() == SfxHintId::SwDocPosUpdateAtIndex) + { + auto pDocPosAt = static_cast<const sw::DocPosUpdateAtIndex*>(&rHint); + Broadcast(SfxHint()); // notify SwAccessibleParagraph + if(IsLocked()) + return; + if(pDocPosAt->m_nDocPos > getFrameArea().Top()) + return; + TextFrameIndex const nIndex(MapModelToView( + &pDocPosAt->m_rNode, + pDocPosAt->m_nIndex)); + InvalidateRange(SwCharRange(nIndex, TextFrameIndex(1))); + return; + } + else if (rHint.GetId() == SfxHintId::SwVirtPageNumHint) + { + auto& rVirtPageNumHint = const_cast<sw::VirtPageNumHint&>(static_cast<const sw::VirtPageNumHint&>(rHint)); + if(!IsInDocBody() || IsFollow() || rVirtPageNumHint.IsFound()) + return; + if(const SwPageFrame* pPage = FindPageFrame()) + pPage->UpdateVirtPageNumInfo(rVirtPageNumHint, this); + return; + } + else if (auto const pHt = dynamic_cast<sw::MoveText const*>(&rHint)) + { + pMoveText = pHt; + } + else if (auto const pHynt = dynamic_cast<sw::RedlineDelText const*>(&rHint)) + { + pRedlineDelText = pHynt; + } + else if (auto const pHnt = dynamic_cast<sw::RedlineUnDelText const*>(&rHint)) + { + pRedlineUnDelText = pHnt; + } + else + { + assert(!"unexpected hint"); + } + + if (m_pMergedPara) + { + assert(m_pMergedPara->listener.IsListeningTo(&rModify)); + } + + SwTextNode const& rNode(static_cast<SwTextNode const&>(rModify)); + + // modifications concerning frame attributes are processed by the base class + if( IsInRange( aFrameFormatSetRange, nWhich ) || RES_FMT_CHG == nWhich ) + { + if (m_pMergedPara) + { // ignore item set changes that don't apply + SwTextNode const*const pAttrNode( + (nWhich == RES_PAGEDESC || nWhich == RES_BREAK) + ? m_pMergedPara->pFirstNode + : m_pMergedPara->pParaPropsNode); + if (pAttrNode != &rModify) + { + return; + } + } + SwContentFrame::SwClientNotify(rModify, sw::LegacyModifyHint(pOld, pNew)); + if( nWhich == RES_FMT_CHG && getRootFrame()->GetCurrShell() ) + { + // collection has changed + Prepare(); + InvalidatePrt_(); + lcl_SetWrong( *this, rNode, 0, COMPLETE_STRING, false ); + SetDerivedR2L( false ); + CheckDirChange(); + // Force complete paint due to existing indents. + SetCompletePaint(); + InvalidateLineNum(); + } + return; + } + + if (m_pMergedPara && m_pMergedPara->pParaPropsNode != &rModify) + { + if (isPARATR(nWhich) || isPARATR_LIST(nWhich)) // FRMATR handled above + { + return; // ignore it + } + } + + Broadcast(SfxHint()); // notify SwAccessibleParagraph + + // while locked ignore all modifications + if( IsLocked() ) + return; + + // save stack + // warning: one has to ensure that all variables are set + TextFrameIndex nPos; + TextFrameIndex nLen; + bool bSetFieldsDirty = false; + bool bRecalcFootnoteFlag = false; + + if (pRedlineDelText) + { + if (m_pMergedPara) + { + sal_Int32 const nNPos = pRedlineDelText->nStart; + sal_Int32 const nNLen = pRedlineDelText->nLen; + nPos = MapModelToView(&rNode, nNPos); + // update merged before doing anything else + nLen = UpdateMergedParaForDelete(*m_pMergedPara, false, rNode, nNPos, nNLen); + const sal_Int32 m = -nNLen; + if (nLen && IsIdxInside(nPos, nLen)) + { + InvalidateRange( SwCharRange(nPos, TextFrameIndex(1)), m ); + } + lcl_SetWrong( *this, rNode, nNPos, m, false ); + if (nLen) + { + lcl_SetScriptInval( *this, nPos ); + bSetFieldsDirty = bRecalcFootnoteFlag = true; + lcl_ModifyOfst(*this, nPos, nLen, &o3tl::operator-<sal_Int32, Tag_TextFrameIndex>); + } + } + } + else if (pRedlineUnDelText) + { + if (m_pMergedPara) + { + sal_Int32 const nNPos = pRedlineUnDelText->nStart; + sal_Int32 const nNLen = pRedlineUnDelText->nLen; + nPos = MapModelToView(&rNode, nNPos); + nLen = UpdateMergedParaForInsert(*m_pMergedPara, false, rNode, nNPos, nNLen); + if (IsIdxInside(nPos, nLen)) + { + if (!nLen) + { + // Refresh NumPortions even when line is empty! + if (nPos) + InvalidateSize(); + else + Prepare(); + } + else + InvalidateRange_( SwCharRange( nPos, nLen ), nNLen ); + } + lcl_SetWrong( *this, rNode, nNPos, nNLen, false ); + lcl_SetScriptInval( *this, nPos ); + bSetFieldsDirty = true; + lcl_ModifyOfst(*this, nPos, nLen, &o3tl::operator+<sal_Int32, Tag_TextFrameIndex>); + } + } + else if (pMoveText) + { + if (m_pMergedPara + && m_pMergedPara->pFirstNode->GetIndex() <= pMoveText->pDestNode->GetIndex() + && pMoveText->pDestNode->GetIndex() <= m_pMergedPara->pLastNode->GetIndex()) + { // if it's not 2 nodes in merged frame, assume the target node doesn't have frames at all + assert(abs(rNode.GetIndex() - pMoveText->pDestNode->GetIndex()) == SwNodeOffset(1)); + UpdateMergedParaForMove(*m_pMergedPara, + *this, + bRecalcFootnoteFlag, + *pMoveText->pDestNode, rNode, + pMoveText->nDestStart, + pMoveText->nSourceStart, + pMoveText->nLen); + } + else + { + // there is a situation where this is okay: from JoinNext, which will then call CheckResetRedlineMergeFlag, which will then create merged from scratch for this frame + // assert(!m_pMergedPara || !getRootFrame()->IsHideRedlines() || !pMoveText->pDestNode->getLayoutFrame(getRootFrame())); + } + } + else if (pInsertText) + { + nPos = MapModelToView(&rNode, pInsertText->nPos); + // unlike redlines, inserting into fieldmark must be explicitly handled + bool isHidden(false); + switch (getRootFrame()->GetFieldmarkMode()) + { + case sw::FieldmarkMode::ShowCommand: + isHidden = pInsertText->isInsideFieldmarkResult; + break; + case sw::FieldmarkMode::ShowResult: + isHidden = pInsertText->isInsideFieldmarkCommand; + break; + case sw::FieldmarkMode::ShowBoth: // just to avoid the warning + break; + } + if (!isHidden) + { + nLen = TextFrameIndex(pInsertText->nLen); + if (m_pMergedPara) + { + UpdateMergedParaForInsert(*m_pMergedPara, true, rNode, pInsertText->nPos, pInsertText->nLen); + } + if( IsIdxInside( nPos, nLen ) ) + { + if( !nLen ) + { + // Refresh NumPortions even when line is empty! + if( nPos ) + InvalidateSize(); + else + Prepare(); + } + else + InvalidateRange_( SwCharRange( nPos, nLen ), pInsertText->nLen ); + } + lcl_SetScriptInval( *this, nPos ); + bSetFieldsDirty = true; + lcl_ModifyOfst(*this, nPos, nLen, &o3tl::operator+<sal_Int32, Tag_TextFrameIndex>); + } + lcl_SetWrong( *this, rNode, pInsertText->nPos, pInsertText->nLen, true ); + } + else if (pDeleteText) + { + nPos = MapModelToView(&rNode, pDeleteText->nStart); + if (m_pMergedPara) + { // update merged before doing anything else + nLen = UpdateMergedParaForDelete(*m_pMergedPara, true, rNode, pDeleteText->nStart, pDeleteText->nLen); + } + else + { + nLen = TextFrameIndex(pDeleteText->nLen); + } + const sal_Int32 m = -pDeleteText->nLen; + if ((!m_pMergedPara || nLen) && IsIdxInside(nPos, nLen)) + { + if( !nLen ) + InvalidateSize(); + else + InvalidateRange( SwCharRange(nPos, TextFrameIndex(1)), m ); + } + lcl_SetWrong( *this, rNode, pDeleteText->nStart, m, true ); + if (nLen) + { + lcl_SetScriptInval( *this, nPos ); + bSetFieldsDirty = bRecalcFootnoteFlag = true; + lcl_ModifyOfst(*this, nPos, nLen, &o3tl::operator-<sal_Int32, Tag_TextFrameIndex>); + } + } + else if (pDeleteChar) + { + nPos = MapModelToView(&rNode, pDeleteChar->m_nPos); + if (m_pMergedPara) + { + nLen = UpdateMergedParaForDelete(*m_pMergedPara, true, rNode, pDeleteChar->m_nPos, 1); + } + else + { + nLen = TextFrameIndex(1); + } + lcl_SetWrong( *this, rNode, pDeleteChar->m_nPos, -1, true ); + if (nLen) + { + InvalidateRange( SwCharRange(nPos, nLen), -1 ); + lcl_SetScriptInval( *this, nPos ); + bSetFieldsDirty = bRecalcFootnoteFlag = true; + lcl_ModifyOfst(*this, nPos, nLen, &o3tl::operator-<sal_Int32, Tag_TextFrameIndex>); + } + } + else switch (nWhich) + { + case RES_LINENUMBER: + { + assert(false); // should have been forwarded to SwContentFrame + InvalidateLineNum(); + } + break; + case RES_UPDATE_ATTR: + { + const SwUpdateAttr* pNewUpdate = static_cast<const SwUpdateAttr*>(pNew); + + sal_Int32 const nNPos = pNewUpdate->getStart(); + sal_Int32 const nNLen = pNewUpdate->getEnd() - nNPos; + nPos = MapModelToView(&rNode, nNPos); + nLen = MapModelToView(&rNode, nNPos + nNLen) - nPos; + if( IsIdxInside( nPos, nLen ) ) + { + // We need to reformat anyways, even if the invalidated + // range is empty. + // E.g.: empty line, set 14 pt! + + // FootnoteNumbers need to be formatted + if( !nLen ) + nLen = TextFrameIndex(1); + + InvalidateRange_( SwCharRange( nPos, nLen) ); + const sal_uInt16 nTmp = pNewUpdate->getWhichAttr(); + + if( ! nTmp || RES_TXTATR_CHARFMT == nTmp || RES_TXTATR_INETFMT == nTmp || RES_TXTATR_AUTOFMT == nTmp || + RES_FMT_CHG == nTmp || RES_ATTRSET_CHG == nTmp ) + { + lcl_SetWrong( *this, rNode, nNPos, nNPos + nNLen, false ); + lcl_SetScriptInval( *this, nPos ); + } + } + +#if !ENABLE_WASM_STRIP_ACCESSIBILITY + if( isA11yRelevantAttribute( pNewUpdate->getWhichAttr() ) && + hasA11yRelevantAttribute( pNewUpdate->getFmtAttrs() ) ) + { + SwViewShell* pViewSh = getRootFrame() ? getRootFrame()->GetCurrShell() : nullptr; + if ( pViewSh ) + { + pViewSh->InvalidateAccessibleParaAttrs( *this ); + } + } +#endif + } + break; + case RES_OBJECTDYING: + break; + + case RES_PARATR_LINESPACING: + { + CalcLineSpace(); + InvalidateSize(); + InvalidatePrt_(); + if( IsInSct() && !GetPrev() ) + { + SwSectionFrame *pSect = FindSctFrame(); + if( pSect->ContainsAny() == this ) + pSect->InvalidatePrt(); + } + + // i#11859 + // (1) Also invalidate next frame on next page/column. + // (2) Skip empty sections and hidden paragraphs + // Thus, use method <InvalidateNextPrtArea()> + InvalidateNextPrtArea(); + + SetCompletePaint(); + } + break; + + case RES_TXTATR_FIELD: + case RES_TXTATR_ANNOTATION: + { + sal_Int32 const nNPos = static_cast<const SwFormatField*>(pNew)->GetTextField()->GetStart(); + nPos = MapModelToView(&rNode, nNPos); + if (IsIdxInside(nPos, TextFrameIndex(1))) + { + if (SfxPoolItem::areSame( pNew, pOld )) + { + // only repaint + // opt: invalidate window? + InvalidatePage(); + SetCompletePaint(); + } + else + InvalidateRange_(SwCharRange(nPos, TextFrameIndex(1))); + } + bSetFieldsDirty = true; + // ST2 + if ( SwSmartTagMgr::Get().IsSmartTagsEnabled() ) + lcl_SetWrong( *this, rNode, nNPos, nNPos + 1, false ); + } + break; + + case RES_TXTATR_FTN : + { + if (!IsInFootnote()) + { // the hint may be sent from the anchor node, or from a + // node in the footnote; the anchor index is only valid in the + // anchor node! + assert(rNode == static_cast<const SwFormatFootnote*>(pNew)->GetTextFootnote()->GetTextNode()); + nPos = MapModelToView(&rNode, + static_cast<const SwFormatFootnote*>(pNew)->GetTextFootnote()->GetStart()); + } +#ifdef _MSC_VER + else nPos = TextFrameIndex(42); // shut up MSVC 2017 spurious warning C4701 +#endif + if (IsInFootnote() || IsIdxInside(nPos, TextFrameIndex(1))) + Prepare( PrepareHint::FootnoteInvalidation, static_cast<const SwFormatFootnote*>(pNew)->GetTextFootnote() ); + break; + } + + case RES_ATTRSET_CHG: + { + InvalidateLineNum(); + + const SwAttrSet& rNewSet = *static_cast<const SwAttrSetChg*>(pNew)->GetChgSet(); + int nClear = 0; + sal_uInt16 nCount = rNewSet.Count(); + + if( const SwFormatFootnote* pItem = rNewSet.GetItemIfSet( RES_TXTATR_FTN, false ) ) + { + nPos = MapModelToView(&rNode, pItem->GetTextFootnote()->GetStart()); + if (IsIdxInside(nPos, TextFrameIndex(1))) + Prepare( PrepareHint::FootnoteInvalidation, pNew ); + nClear = 0x01; + --nCount; + } + + if( const SwFormatField* pItem = rNewSet.GetItemIfSet( RES_TXTATR_FIELD, false ) ) + { + nPos = MapModelToView(&rNode, pItem->GetTextField()->GetStart()); + if (IsIdxInside(nPos, TextFrameIndex(1))) + { + const SfxPoolItem* pOldItem = pOld ? + &(static_cast<const SwAttrSetChg*>(pOld)->GetChgSet()->Get(RES_TXTATR_FIELD)) : nullptr; + if (SfxPoolItem::areSame( pItem, pOldItem )) + { + InvalidatePage(); + SetCompletePaint(); + } + else + InvalidateRange_(SwCharRange(nPos, TextFrameIndex(1))); + } + nClear |= 0x02; + --nCount; + } + bool bLineSpace = SfxItemState::SET == rNewSet.GetItemState( + RES_PARATR_LINESPACING, false ), + bRegister = SfxItemState::SET == rNewSet.GetItemState( + RES_PARATR_REGISTER, false ); + if ( bLineSpace || bRegister ) + { + if (!m_pMergedPara || m_pMergedPara->pParaPropsNode == &rModify) + { + Prepare( bRegister ? PrepareHint::Register : PrepareHint::AdjustSizeWithoutFormatting ); + CalcLineSpace(); + InvalidateSize(); + InvalidatePrt_(); + + // i#11859 + // (1) Also invalidate next frame on next page/column. + // (2) Skip empty sections and hidden paragraphs + // Thus, use method <InvalidateNextPrtArea()> + InvalidateNextPrtArea(); + + SetCompletePaint(); + } + nClear |= 0x04; + if ( bLineSpace ) + { + --nCount; + if ((!m_pMergedPara || m_pMergedPara->pParaPropsNode == &rModify) + && IsInSct() && !GetPrev()) + { + SwSectionFrame *pSect = FindSctFrame(); + if( pSect->ContainsAny() == this ) + pSect->InvalidatePrt(); + } + } + if ( bRegister ) + --nCount; + } + if ( SfxItemState::SET == rNewSet.GetItemState( RES_PARATR_SPLIT, + false )) + { + if (!m_pMergedPara || m_pMergedPara->pParaPropsNode == &rModify) + { + if (GetPrev()) + CheckKeep(); + Prepare(); + InvalidateSize(); + } + nClear |= 0x08; + --nCount; + } + + if( SfxItemState::SET == rNewSet.GetItemState( RES_BACKGROUND, false) + && (!m_pMergedPara || m_pMergedPara->pParaPropsNode == &rModify) + && !IsFollow() && GetDrawObjs() ) + { + SwSortedObjs *pObjs = GetDrawObjs(); + for ( size_t i = 0; GetDrawObjs() && i < pObjs->size(); ++i ) + { + SwAnchoredObject* pAnchoredObj = (*pObjs)[i]; + if ( auto pFly = pAnchoredObj->DynCastFlyFrame() ) + { + if( !pFly->IsFlyInContentFrame() ) + { + const SvxBrushItem &rBack = + pFly->GetAttrSet()->GetBackground(); + // #GetTransChg# + // following condition determines, if the fly frame + // "inherites" the background color of text frame. + // This is the case, if fly frame background + // color is "no fill"/"auto fill" and if the fly frame + // has no background graphic. + // Thus, check complete fly frame background + // color and *not* only its transparency value + if ( (rBack.GetColor() == COL_TRANSPARENT) && + rBack.GetGraphicPos() == GPOS_NONE ) + { + pFly->SetCompletePaint(); + pFly->InvalidatePage(); + } + } + } + } + } + + if ( SfxItemState::SET == + rNewSet.GetItemState( RES_TXTATR_CHARFMT, false ) ) + { + lcl_SetWrong( *this, rNode, 0, COMPLETE_STRING, false ); + lcl_SetScriptInval( *this, TextFrameIndex(0) ); + } + else if ( SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_LANGUAGE, false ) || + SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_CJK_LANGUAGE, false ) || + SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_CTL_LANGUAGE, false ) ) + lcl_SetWrong( *this, rNode, 0, COMPLETE_STRING, false ); + else if ( SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_FONT, false ) || + SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_CJK_FONT, false ) || + SfxItemState::SET == + rNewSet.GetItemState( RES_CHRATR_CTL_FONT, false ) ) + lcl_SetScriptInval( *this, TextFrameIndex(0) ); + else if ( SfxItemState::SET == + rNewSet.GetItemState( RES_FRAMEDIR, false ) + && (!m_pMergedPara || m_pMergedPara->pParaPropsNode == &rModify)) + { + SetDerivedR2L( false ); + CheckDirChange(); + // Force complete paint due to existing indents. + SetCompletePaint(); + } + + if( nCount ) + { + if( getRootFrame()->GetCurrShell() ) + { + Prepare(); + InvalidatePrt_(); + } + + if (nClear || (m_pMergedPara && + (m_pMergedPara->pParaPropsNode != &rModify || + m_pMergedPara->pFirstNode != &rModify))) + { + assert(pOld); + SwAttrSetChg aOldSet( *static_cast<const SwAttrSetChg*>(pOld) ); + SwAttrSetChg aNewSet( *static_cast<const SwAttrSetChg*>(pNew) ); + + if (m_pMergedPara && m_pMergedPara->pParaPropsNode != &rModify) + { + for (sal_uInt16 i = RES_PARATR_BEGIN; i != RES_FRMATR_END; ++i) + { + if (i != RES_BREAK && i != RES_PAGEDESC) + { + aOldSet.ClearItem(i); + aNewSet.ClearItem(i); + } + } + for (sal_uInt16 i = XATTR_FILL_FIRST; i <= XATTR_FILL_LAST; ++i) + { + aOldSet.ClearItem(i); + aNewSet.ClearItem(i); + } + } + if (m_pMergedPara && m_pMergedPara->pFirstNode != &rModify) + { + aOldSet.ClearItem(RES_BREAK); + aNewSet.ClearItem(RES_BREAK); + aOldSet.ClearItem(RES_PAGEDESC); + aNewSet.ClearItem(RES_PAGEDESC); + } + + if( 0x01 & nClear ) + { + aOldSet.ClearItem( RES_TXTATR_FTN ); + aNewSet.ClearItem( RES_TXTATR_FTN ); + } + if( 0x02 & nClear ) + { + aOldSet.ClearItem( RES_TXTATR_FIELD ); + aNewSet.ClearItem( RES_TXTATR_FIELD ); + } + if ( 0x04 & nClear ) + { + if ( bLineSpace ) + { + aOldSet.ClearItem( RES_PARATR_LINESPACING ); + aNewSet.ClearItem( RES_PARATR_LINESPACING ); + } + if ( bRegister ) + { + aOldSet.ClearItem( RES_PARATR_REGISTER ); + aNewSet.ClearItem( RES_PARATR_REGISTER ); + } + } + if ( 0x08 & nClear ) + { + aOldSet.ClearItem( RES_PARATR_SPLIT ); + aNewSet.ClearItem( RES_PARATR_SPLIT ); + } + if (aOldSet.Count() || aNewSet.Count()) + { + SwContentFrame::SwClientNotify(rModify, sw::LegacyModifyHint(&aOldSet, &aNewSet)); + } + } + else + SwContentFrame::SwClientNotify(rModify, sw::LegacyModifyHint(pOld, pNew)); + } + +#if !ENABLE_WASM_STRIP_ACCESSIBILITY + if (isA11yRelevantAttribute(nWhich)) + { + SwViewShell* pViewSh = getRootFrame() ? getRootFrame()->GetCurrShell() : nullptr; + if ( pViewSh ) + { + pViewSh->InvalidateAccessibleParaAttrs( *this ); + } + } +#endif + } + break; + case RES_PARATR_SPLIT: + if ( GetPrev() ) + CheckKeep(); + Prepare(); + bSetFieldsDirty = true; + break; + case RES_FRAMEDIR : + assert(false); // should have been forwarded to SwContentFrame + SetDerivedR2L( false ); + CheckDirChange(); + break; + default: + { + Prepare(); + InvalidatePrt_(); + if ( !nWhich ) + { + // is called by e. g. HiddenPara with 0 + SwFrame *pNxt = FindNext(); + if ( nullptr != pNxt ) + pNxt->InvalidatePrt(); + } + } + } // switch + + if( bSetFieldsDirty ) + GetDoc().getIDocumentFieldsAccess().SetFieldsDirty( true, &rNode, SwNodeOffset(1) ); + + if ( bRecalcFootnoteFlag ) + CalcFootnoteFlag(); +} + +void SwTextFrame::PrepWidows( const sal_uInt16 nNeed, bool bNotify ) +{ + OSL_ENSURE(GetFollow() && nNeed, "+SwTextFrame::Prepare: lost all friends"); + + SwParaPortion *pPara = GetPara(); + if ( !pPara ) + return; + pPara->SetPrepWidows(); + + sal_uInt16 nHave = nNeed; + + // We yield a few lines and shrink in CalcPreps() + SwSwapIfNotSwapped swap( this ); + + SwTextSizeInfo aInf( this ); + SwTextMargin aLine( this, &aInf ); + aLine.Bottom(); + TextFrameIndex nTmpLen = aLine.GetCurr()->GetLen(); + while( nHave && aLine.PrevLine() ) + { + if( nTmpLen ) + --nHave; + nTmpLen = aLine.GetCurr()->GetLen(); + } + + // If it's certain that we can yield lines, the Master needs + // to check the widow rule + if( !nHave ) + { + bool bSplit = true; + if( !IsFollow() ) // only a master decides about orphans + { + const WidowsAndOrphans aWidOrp( this ); + bSplit = ( aLine.GetLineNr() >= aWidOrp.GetOrphansLines() && + aLine.GetLineNr() >= aLine.GetDropLines() ); + } + + if( bSplit ) + { + GetFollow()->SetOffset( aLine.GetEnd() ); + aLine.TruncLines( true ); + if( pPara->IsFollowField() ) + GetFollow()->SetFieldFollow( true ); + } + } + if ( bNotify ) + { + InvalidateSize_(); + InvalidatePage(); + } +} + +static bool lcl_ErgoVadis(SwTextFrame* pFrame, TextFrameIndex & rPos, const PrepareHint ePrep) +{ + const SwFootnoteInfo &rFootnoteInfo = pFrame->GetDoc().GetFootnoteInfo(); + if( ePrep == PrepareHint::ErgoSum ) + { + if( rFootnoteInfo.m_aErgoSum.isEmpty() ) + return false; + rPos = pFrame->GetOffset(); + } + else + { + if( rFootnoteInfo.m_aQuoVadis.isEmpty() ) + return false; + if( pFrame->HasFollow() ) + rPos = pFrame->GetFollow()->GetOffset(); + else + rPos = TextFrameIndex(pFrame->GetText().getLength()); + if( rPos ) + --rPos; // our last character + } + return true; +} + +// Silence over-eager warning emitted at least by GCC 5.3.1 +#if defined __GNUC__ && !defined __clang__ +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wstrict-overflow" +#endif +bool SwTextFrame::Prepare( const PrepareHint ePrep, const void* pVoid, + bool bNotify ) +{ + bool bParaPossiblyInvalid = false; + + SwFrameSwapper aSwapper( this, false ); + + if ( IsEmpty() ) + { + switch ( ePrep ) + { + case PrepareHint::BossChanged: + SetInvalidVert( true ); // Test + [[fallthrough]]; + case PrepareHint::WidowsOrphans: + case PrepareHint::Widows: + case PrepareHint::FootnoteInvalidationGone : return bParaPossiblyInvalid; + + case PrepareHint::FramePositionChanged : + { + // We also need an InvalidateSize for Areas (with and without columns), + // so that we format and bUndersized is set (if needed) + if( IsInFly() || IsInSct() ) + { + SwTwips nTmpBottom = GetUpper()->getFrameArea().Top() + + GetUpper()->getFramePrintArea().Bottom(); + if( nTmpBottom < getFrameArea().Bottom() ) + break; + } + // Are there any free-flying frames on this page? + SwTextFly aTextFly( this ); + if( aTextFly.IsOn() ) + { + // Does any free-flying frame overlap? + if ( aTextFly.Relax() || IsUndersized() ) + break; + } + if (GetTextNodeForParaProps()->GetSwAttrSet().GetRegister().GetValue()) + break; + + SwTextGridItem const*const pGrid(GetGridItem(FindPageFrame())); + if (pGrid && GetTextNodeForParaProps()->GetSwAttrSet().GetParaGrid().GetValue()) + break; + + // i#28701 - consider anchored objects + if ( GetDrawObjs() ) + break; + + return bParaPossiblyInvalid; + } + default: + break; + } + } + + // Split fly anchors are technically empty (have no SwParaPortion), but otherwise behave like + // other split text frames, which are non-empty. + bool bSplitFlyAnchor = GetOffset() == TextFrameIndex(0) && HasFollow() + && GetFollow()->GetOffset() == TextFrameIndex(0); + + if( !HasPara() && !bSplitFlyAnchor && PrepareHint::MustFit != ePrep ) + { + SetInvalidVert( true ); // Test + OSL_ENSURE( !IsLocked(), "SwTextFrame::Prepare: three of a perfect pair" ); + if ( bNotify ) + InvalidateSize(); + else + InvalidateSize_(); + return bParaPossiblyInvalid; + } + + // Get object from cache while locking + SwTextLineAccess aAccess( this ); + SwParaPortion *pPara = aAccess.GetPara(); + + switch( ePrep ) + { + case PrepareHint::FootnoteMove : + { + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*this); + aFrm.Height(0); + } + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*this); + aPrt.Height(0); + } + + InvalidatePrt_(); + InvalidateSize_(); + [[fallthrough]]; + case PrepareHint::AdjustSizeWithoutFormatting : + pPara->SetPrepAdjust(); + if( IsFootnoteNumFrame() != pPara->IsFootnoteNum() || + IsUndersized() ) + { + InvalidateRange(SwCharRange(TextFrameIndex(0), TextFrameIndex(1)), 1); + if( GetOffset() && !IsFollow() ) + SetOffset_(TextFrameIndex(0)); + } + break; + case PrepareHint::MustFit : + pPara->SetPrepMustFit(true); + [[fallthrough]]; + case PrepareHint::WidowsOrphans : + pPara->SetPrepAdjust(); + break; + case PrepareHint::Widows : + // MustFit is stronger than anything else + if( pPara->IsPrepMustFit() ) + return bParaPossiblyInvalid; + // see comment in WidowsAndOrphans::FindOrphans and CalcPreps() + PrepWidows( *static_cast<const sal_uInt16 *>(pVoid), bNotify ); + break; + + case PrepareHint::FootnoteInvalidation : + { + SwTextFootnote const *pFootnote = static_cast<SwTextFootnote const *>(pVoid); + if( IsInFootnote() ) + { + // Am I the first TextFrame of a footnote? + if( !GetPrev() ) + // So we're a TextFrame of the footnote, which has + // to display the footnote number or the ErgoSum text + InvalidateRange(SwCharRange(TextFrameIndex(0), TextFrameIndex(1)), 1); + + if( !GetNext() ) + { + // We're the last Footnote; we need to update the + // QuoVadis texts now + const SwFootnoteInfo &rFootnoteInfo = GetDoc().GetFootnoteInfo(); + if( !pPara->UpdateQuoVadis( rFootnoteInfo.m_aQuoVadis ) ) + { + TextFrameIndex nPos = pPara->GetParLen(); + if( nPos ) + --nPos; + InvalidateRange( SwCharRange(nPos, TextFrameIndex(1)), 1); + } + } + } + else + { + // We are the TextFrame _with_ the footnote + TextFrameIndex const nPos = MapModelToView( + &pFootnote->GetTextNode(), pFootnote->GetStart()); + InvalidateRange(SwCharRange(nPos, TextFrameIndex(1)), 1); + } + break; + } + case PrepareHint::BossChanged : + { + // Test + { + SetInvalidVert( false ); + bool bOld = IsVertical(); + SetInvalidVert( true ); + if( bOld != IsVertical() ) + InvalidateRange(SwCharRange(GetOffset(), TextFrameIndex(COMPLETE_STRING))); + } + + if( HasFollow() ) + { + TextFrameIndex nNxtOfst = GetFollow()->GetOffset(); + if( nNxtOfst ) + --nNxtOfst; + InvalidateRange(SwCharRange( nNxtOfst, TextFrameIndex(1)), 1); + } + if( IsInFootnote() ) + { + TextFrameIndex nPos; + if( lcl_ErgoVadis( this, nPos, PrepareHint::QuoVadis ) ) + InvalidateRange( SwCharRange( nPos, TextFrameIndex(1)) ); + if( lcl_ErgoVadis( this, nPos, PrepareHint::ErgoSum ) ) + InvalidateRange( SwCharRange( nPos, TextFrameIndex(1)) ); + } + // If we have a page number field, we must invalidate those spots + SwTextNode const* pNode(nullptr); + sw::MergedAttrIter iter(*this); + TextFrameIndex const nEnd = GetFollow() + ? GetFollow()->GetOffset() : TextFrameIndex(COMPLETE_STRING); + for (SwTextAttr const* pHt = iter.NextAttr(&pNode); pHt; pHt = iter.NextAttr(&pNode)) + { + TextFrameIndex const nStart(MapModelToView(pNode, pHt->GetStart())); + if (nStart >= GetOffset()) + { + if (nStart >= nEnd) + break; + + // If we're flowing back and own a Footnote, the Footnote also flows + // with us. So that it doesn't obstruct us, we send ourselves + // an ADJUST_FRM. + // pVoid != 0 means MoveBwd() + const sal_uInt16 nWhich = pHt->Which(); + if (RES_TXTATR_FIELD == nWhich || + (HasFootnote() && pVoid && RES_TXTATR_FTN == nWhich)) + InvalidateRange(SwCharRange(nStart, TextFrameIndex(1)), 1); + } + } + // A new boss, a new chance for growing + if( IsUndersized() ) + { + InvalidateSize_(); + InvalidateRange(SwCharRange(GetOffset(), TextFrameIndex(1)), 1); + } + break; + } + + case PrepareHint::FramePositionChanged : + { + if ( isFramePrintAreaValid() ) + { + SwTextGridItem const*const pGrid(GetGridItem(FindPageFrame())); + if (pGrid && GetTextNodeForParaProps()->GetSwAttrSet().GetParaGrid().GetValue()) + InvalidatePrt(); + } + + // If we don't overlap with anybody: + // did any free-flying frame overlapped _before_ the position change? + bool bFormat = pPara->HasFly(); + if( !bFormat ) + { + if( IsInFly() ) + { + SwTwips nTmpBottom = GetUpper()->getFrameArea().Top() + + GetUpper()->getFramePrintArea().Bottom(); + if( nTmpBottom < getFrameArea().Bottom() ) + bFormat = true; + } + if( !bFormat ) + { + if ( GetDrawObjs() ) + { + const size_t nCnt = GetDrawObjs()->size(); + for ( size_t i = 0; i < nCnt; ++i ) + { + SwAnchoredObject* pAnchoredObj = (*GetDrawObjs())[i]; + // i#28701 - consider all + // to-character anchored objects + if ( pAnchoredObj->GetFrameFormat().GetAnchor().GetAnchorId() + == RndStdIds::FLY_AT_CHAR ) + { + bFormat = true; + break; + } + } + } + if( !bFormat ) + { + // Are there any free-flying frames on this page? + SwTextFly aTextFly( this ); + if( aTextFly.IsOn() ) + { + // Does any free-flying frame overlap? + const bool bRelaxed = aTextFly.Relax(); + bFormat = bRelaxed || IsUndersized(); + if (bRelaxed) + { + // It's possible that pPara was deleted above; retrieve it again + pPara = aAccess.GetPara(); + } + } + } + } + } + + if( bFormat ) + { + if( !IsLocked() ) + { + if( pPara->GetRepaint().HasArea() ) + SetCompletePaint(); + Init(); + pPara = nullptr; + InvalidateSize_(); + } + } + else + { + if (GetTextNodeForParaProps()->GetSwAttrSet().GetRegister().GetValue()) + bParaPossiblyInvalid = Prepare( PrepareHint::Register, nullptr, bNotify ); + // The Frames need to be readjusted, which caused by changes + // in position + else if( HasFootnote() ) + { + bParaPossiblyInvalid = Prepare( PrepareHint::AdjustSizeWithoutFormatting, nullptr, bNotify ); + InvalidateSize_(); + } + else + return bParaPossiblyInvalid; // So that there's no SetPrep() + + if (bParaPossiblyInvalid) + { + // It's possible that pPara was deleted above; retrieve it again + pPara = aAccess.GetPara(); + } + + } + break; + } + case PrepareHint::Register: + if (GetTextNodeForParaProps()->GetSwAttrSet().GetRegister().GetValue()) + { + pPara->SetPrepAdjust(); + CalcLineSpace(); + + // It's possible that pPara was deleted above; retrieve it again + bParaPossiblyInvalid = true; + pPara = aAccess.GetPara(); + + InvalidateSize(); + InvalidatePrt_(); + SwFrame* pNxt = GetIndNext(); + if ( nullptr != pNxt ) + { + pNxt->InvalidatePrt_(); + if ( pNxt->IsLayoutFrame() ) + pNxt->InvalidatePage(); + } + SetCompletePaint(); + } + break; + case PrepareHint::FootnoteInvalidationGone : + { + // If a Follow is calling us, because a footnote is being deleted, our last + // line has to be formatted, so that the first line of the Follow can flow up. + // Which had flowed to the next page to be together with the footnote (this is + // especially true for areas with columns) + OSL_ENSURE( GetFollow(), "PrepareHint::FootnoteInvalidationGone may only be called by Follow" ); + TextFrameIndex nPos = GetFollow()->GetOffset(); + if( IsFollow() && GetOffset() == nPos ) // If we don't have a mass of text, we call our + FindMaster()->Prepare( PrepareHint::FootnoteInvalidationGone ); // Master's Prepare + if( nPos ) + --nPos; // The char preceding our Follow + InvalidateRange(SwCharRange(nPos, TextFrameIndex(1))); + return bParaPossiblyInvalid; + } + case PrepareHint::ErgoSum: + case PrepareHint::QuoVadis: + { + TextFrameIndex nPos; + if( lcl_ErgoVadis( this, nPos, ePrep ) ) + InvalidateRange(SwCharRange(nPos, TextFrameIndex(1))); + } + break; + case PrepareHint::FlyFrameAttributesChanged: + { + if( pVoid ) + { + TextFrameIndex const nWhere = CalcFlyPos( static_cast<SwFrameFormat const *>(pVoid) ); + OSL_ENSURE( TextFrameIndex(COMPLETE_STRING) != nWhere, "Prepare: Why me?" ); + InvalidateRange(SwCharRange(nWhere, TextFrameIndex(1))); + return bParaPossiblyInvalid; + } + [[fallthrough]]; // else: continue with default case block + } + case PrepareHint::Clear: + default: + { + if( IsLocked() ) + { + if( PrepareHint::FlyFrameArrive == ePrep || PrepareHint::FlyFrameLeave == ePrep ) + { + TextFrameIndex const nLen = (GetFollow() + ? GetFollow()->GetOffset() + : TextFrameIndex(COMPLETE_STRING)) + - GetOffset(); + InvalidateRange( SwCharRange( GetOffset(), nLen ) ); + } + } + else + { + if( pPara->GetRepaint().HasArea() ) + SetCompletePaint(); + Init(); + pPara = nullptr; + if( GetOffset() && !IsFollow() ) + SetOffset_( TextFrameIndex(0) ); + if ( bNotify ) + InvalidateSize(); + else + InvalidateSize_(); + } + return bParaPossiblyInvalid; // no SetPrep() happened + } + } + if( pPara ) + { + pPara->SetPrep(); + } + + return bParaPossiblyInvalid; +} +#if defined __GNUC__ && !defined __clang__ +# pragma GCC diagnostic pop +#endif + +/** + * Small Helper class: + * Prepares a test format. + * The frame is changed in size and position, its SwParaPortion is moved aside + * and a new one is created. + * To achieve this, run formatting with bTestFormat flag set. + * In the destructor the TextFrame is reset to its original state. + */ +class SwTestFormat +{ + SwTextFrame *pFrame; + SwParaPortion *pOldPara; + SwRect aOldFrame, aOldPrt; +public: + SwTestFormat( SwTextFrame* pTextFrame, const SwFrame* pPrv, SwTwips nMaxHeight ); + ~SwTestFormat(); +}; + +SwTestFormat::SwTestFormat( SwTextFrame* pTextFrame, const SwFrame* pPre, SwTwips nMaxHeight ) + : pFrame( pTextFrame ) +{ + aOldFrame = pFrame->getFrameArea(); + aOldPrt = pFrame->getFramePrintArea(); + + SwRectFnSet aRectFnSet(pFrame); + SwTwips nLower = aRectFnSet.GetBottomMargin(*pFrame); + + { + // indeed, here the GetUpper()->getFramePrintArea() gets copied and manipulated + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*pFrame); + aFrm.setSwRect(pFrame->GetUpper()->getFramePrintArea()); + aFrm += pFrame->GetUpper()->getFrameArea().Pos(); + aRectFnSet.SetHeight( aFrm, nMaxHeight ); + + if( pFrame->GetPrev() ) + { + aRectFnSet.SetPosY( + aFrm, + aRectFnSet.GetBottom(pFrame->GetPrev()->getFrameArea()) - ( aRectFnSet.IsVert() ? nMaxHeight + 1 : 0 ) ); + } + } + + SwBorderAttrAccess aAccess( SwFrame::GetCache(), pFrame ); + const SwBorderAttrs &rAttrs = *aAccess.Get(); + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*pFrame); + aRectFnSet.SetPosX(aPrt, rAttrs.CalcLeft( pFrame ) ); + } + + if( pPre ) + { + SwTwips nUpper = pFrame->CalcUpperSpace( &rAttrs, pPre ); + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*pFrame); + aRectFnSet.SetPosY(aPrt, nUpper ); + } + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*pFrame); + aRectFnSet.SetHeight( aPrt, std::max( tools::Long(0) , aRectFnSet.GetHeight(pFrame->getFrameArea()) - aRectFnSet.GetTop(aPrt) - nLower ) ); + aRectFnSet.SetWidth( aPrt, aRectFnSet.GetWidth(pFrame->getFrameArea()) - ( rAttrs.CalcLeft( pFrame ) + rAttrs.CalcRight( pFrame ) ) ); + } + + pOldPara = pFrame->HasPara() ? pFrame->GetPara() : nullptr; + pFrame->SetPara( new SwParaPortion(), false ); + OSL_ENSURE( ! pFrame->IsSwapped(), "A frame is swapped before Format_" ); + + if ( pFrame->IsVertical() ) + pFrame->SwapWidthAndHeight(); + + SwTextFormatInfo aInf( pFrame->getRootFrame()->GetCurrShell()->GetOut(), pFrame, false, true, true ); + SwTextFormatter aLine( pFrame, &aInf ); + + pFrame->Format_( aLine, aInf ); + + if ( pFrame->IsVertical() ) + pFrame->SwapWidthAndHeight(); + + OSL_ENSURE( ! pFrame->IsSwapped(), "A frame is swapped after Format_" ); +} + +SwTestFormat::~SwTestFormat() +{ + { + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*pFrame); + aFrm.setSwRect(aOldFrame); + } + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*pFrame); + aPrt.setSwRect(aOldPrt); + } + + pFrame->SetPara( pOldPara ); +} + +bool SwTextFrame::TestFormat( const SwFrame* pPrv, SwTwips &rMaxHeight, bool &bSplit ) +{ + PROTOCOL_ENTER( this, PROT::TestFormat, DbgAction::NONE, nullptr ) + + if( IsLocked() && GetUpper()->getFramePrintArea().Width() <= 0 ) + return false; + + SwTestFormat aSave( this, pPrv, rMaxHeight ); + + return SwTextFrame::WouldFit(rMaxHeight, bSplit, true, false); +} + +/** + * We should not and don't need to reformat. + * We assume that we already formatted and that the formatting + * data is still current. + * + * We also assume that the frame width of the Master and Follow + * are the same. That's why we're not calling FindBreak() for + * FindOrphans(). + * The required height is coming from nMaxHeight. + * + * @returns true if I can split + */ +bool SwTextFrame::WouldFit(SwTwips &rMaxHeight, bool &bSplit, bool bTst, bool bMoveBwd) +{ + OSL_ENSURE( ! IsVertical() || ! IsSwapped(), + "SwTextFrame::WouldFit with swapped frame" ); + SwRectFnSet aRectFnSet(this); + + if( IsLocked() ) + return false; + + // it can happen that the IdleCollector removed the cached information + if( !IsEmpty() ) + GetFormatted(); + + // i#27801 - correction: 'short cut' for empty paragraph + // can *not* be applied, if test format is in progress. The test format doesn't + // adjust the frame and the printing area - see method <SwTextFrame::Format_(..)>, + // which is called in <SwTextFrame::TestFormat(..)> + if ( IsEmpty() && !bTst ) + { + bSplit = false; + SwTwips nHeight = aRectFnSet.IsVert() ? getFramePrintArea().SSize().Width() : getFramePrintArea().SSize().Height(); + if( rMaxHeight < nHeight ) + return false; + else + { + rMaxHeight -= nHeight; + return true; + } + } + + // GetPara can still be 0 in edge cases + // We return true in order to be reformatted on the new Page + OSL_ENSURE( HasPara() || IsHiddenNow(), "WouldFit: GetFormatted() and then !HasPara()" ); + if( !HasPara() || ( !aRectFnSet.GetHeight(getFrameArea()) && IsHiddenNow() ) ) + return true; + + // Because the Orphan flag only exists for a short moment, we also check + // whether the Framesize is set to very huge by CalcPreps, in order to + // force a MoveFwd + if (IsWidow() || (aRectFnSet.IsVert() + ? (0 == getFrameArea().Left()) + : (sw::WIDOW_MAGIC - 20000 < getFrameArea().Bottom()))) + { + SetWidow(false); + if ( GetFollow() ) + { + // If we've ended up here due to a Widow request by our Follow, we check + // whether there's a Follow with a real height at all. + // Else (e.g. for newly created SctFrames) we ignore the IsWidow() and + // still check if we can find enough room + if (((!aRectFnSet.IsVert() && getFrameArea().Bottom() <= sw::WIDOW_MAGIC - 20000) || + ( aRectFnSet.IsVert() && 0 < getFrameArea().Left() ) ) && + ( GetFollow()->IsVertical() ? + !GetFollow()->getFrameArea().Width() : + !GetFollow()->getFrameArea().Height() ) ) + { + SwTextFrame* pFoll = GetFollow()->GetFollow(); + while( pFoll && + ( pFoll->IsVertical() ? + !pFoll->getFrameArea().Width() : + !pFoll->getFrameArea().Height() ) ) + pFoll = pFoll->GetFollow(); + if( pFoll ) + return false; + } + else + return false; + } + } + + SwSwapIfNotSwapped swap( this ); + + SwTextSizeInfo aInf( this ); + SwTextMargin aLine( this, &aInf ); + + WidowsAndOrphans aFrameBreak( this, rMaxHeight, bSplit ); + + bool bRet = true; + + aLine.Bottom(); + // is breaking necessary? + bSplit = !aFrameBreak.IsInside( aLine ); + if ( bSplit ) + bRet = !aFrameBreak.IsKeepAlways() && aFrameBreak.WouldFit(aLine, rMaxHeight, bTst, bMoveBwd); + else + { + // we need the total height including the current line + aLine.Top(); + do + { + rMaxHeight -= aLine.GetLineHeight(); + } while ( aLine.Next() ); + } + + return bRet; +} + +SwTwips SwTextFrame::GetParHeight() const +{ + OSL_ENSURE( ! IsVertical() || ! IsSwapped(), + "SwTextFrame::GetParHeight with swapped frame" ); + + if( !HasPara() ) + { // For non-empty paragraphs this is a special case + // For UnderSized we can simply just ask 1 Twip more + sal_uInt16 nRet = o3tl::narrowing<sal_uInt16>(getFramePrintArea().SSize().Height()); + if( IsUndersized() ) + { + if( IsEmpty() || GetText().isEmpty() ) + nRet = o3tl::narrowing<sal_uInt16>(EmptyHeight()); + else + ++nRet; + } + return nRet; + } + + // TODO: Refactor and improve code + const SwLineLayout* pLineLayout = GetPara(); + SwTwips nHeight = pLineLayout ? pLineLayout->GetRealHeight() : 0; + + // Is this paragraph scrolled? Our height until now is at least + // one line height too low then + if( GetOffset() && !IsFollow() ) + nHeight *= 2; + + while ( pLineLayout && pLineLayout->GetNext() ) + { + pLineLayout = pLineLayout->GetNext(); + nHeight = nHeight + pLineLayout->GetRealHeight(); + } + + return nHeight; +} + +/** + * @returns this _always_ in the formatted state! + */ +SwTextFrame* SwTextFrame::GetFormatted( bool bForceQuickFormat ) +{ + vcl::RenderContext* pRenderContext = getRootFrame()->GetCurrShell()->GetOut(); + SwSwapIfSwapped swap( this ); + + // In case the SwLineLayout was cleared out of the s_pTextCache, recreate it + // Not for empty paragraphs + if( !HasPara() && !(isFrameAreaDefinitionValid() && IsEmpty()) ) + { + // Calc() must be called, because frame position can be wrong + const bool bFormat = isFrameAreaSizeValid(); + Calc(pRenderContext); // calls Format() if invalid + + // If the flags were valid (hence bFormat=true), Calc did nothing, + // so Format() must be called manually in order to recreate + // the SwLineLayout that has been deleted from the + // SwTextFrame::s_pTextCache (hence !HasPara() above). + // Optimization with FormatQuick() + if( bFormat && !FormatQuick( bForceQuickFormat ) ) + Format(getRootFrame()->GetCurrShell()->GetOut()); + } + + return this; +} + +SwTwips SwTextFrame::CalcFitToContent() +{ + // i#31490 + // If we are currently locked, we better return with a + // fairly reasonable value: + if ( IsLocked() ) + return getFramePrintArea().Width(); + + SwParaPortion* pOldPara = GetPara(); + SwParaPortion *pDummy = new SwParaPortion(); + SetPara( pDummy, false ); + const SwPageFrame* pPage = FindPageFrame(); + + const Point aOldFramePos = getFrameArea().Pos(); + const SwTwips nOldFrameWidth = getFrameArea().Width(); + const SwTwips nOldPrtWidth = getFramePrintArea().Width(); + const SwTwips nPageWidth = GetUpper()->IsVertical() ? + pPage->getFramePrintArea().Height() : + pPage->getFramePrintArea().Width(); + + { + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*this); + aFrm.Width( nPageWidth ); + } + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*this); + aPrt.Width( nPageWidth ); + } + + // i#25422 objects anchored as character in RTL + if ( IsRightToLeft() ) + { + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*this); + aFrm.Pos().AdjustX(nOldFrameWidth - nPageWidth ); + } + + TextFrameLockGuard aLock( this ); + + SwTextFormatInfo aInf( getRootFrame()->GetCurrShell()->GetOut(), this, false, true, true ); + aInf.SetIgnoreFly( true ); + SwTextFormatter aLine( this, &aInf ); + SwHookOut aHook( aInf ); + + // i#54031 - assure minimum of MINLAY twips. + const SwTwips nMax = std::max( SwTwips(MINLAY), aLine.CalcFitToContent_() + 1 ); + + { + SwFrameAreaDefinition::FrameAreaWriteAccess aFrm(*this); + aFrm.Width( nOldFrameWidth ); + + // i#25422 objects anchored as character in RTL + if ( IsRightToLeft() ) + { + aFrm.Pos() = aOldFramePos; + } + } + + { + SwFrameAreaDefinition::FramePrintAreaWriteAccess aPrt(*this); + aPrt.Width( nOldPrtWidth ); + } + + SetPara( pOldPara ); + + return nMax; +} + +/** + * Simulate format for a list item paragraph, whose list level attributes + * are in LABEL_ALIGNMENT mode, in order to determine additional first + * line offset for the real text formatting due to the value of label + * adjustment attribute of the list level. + */ +void SwTextFrame::CalcAdditionalFirstLineOffset() +{ + if ( IsLocked() ) + return; + + // reset additional first line offset + mnAdditionalFirstLineOffset = 0; + + const SwTextNode* pTextNode( GetTextNodeForParaProps() ); + // sw_redlinehide: check that pParaPropsNode is the correct one + assert(pTextNode->IsNumbered(getRootFrame()) == pTextNode->IsNumbered(nullptr)); + if (!(pTextNode->IsNumbered(getRootFrame()) && + pTextNode->IsCountedInList() && pTextNode->GetNumRule())) + return; + + int nListLevel = pTextNode->GetActualListLevel(); + + if (nListLevel < 0) + nListLevel = 0; + + if (nListLevel >= MAXLEVEL) + nListLevel = MAXLEVEL - 1; + + const SwNumFormat& rNumFormat = + pTextNode->GetNumRule()->Get( o3tl::narrowing<sal_uInt16>(nListLevel) ); + if ( rNumFormat.GetPositionAndSpaceMode() != SvxNumberFormat::LABEL_ALIGNMENT ) + return; + + // keep current paragraph portion and apply dummy paragraph portion + SwParaPortion* pOldPara = GetPara(); + SwParaPortion *pDummy = new SwParaPortion(); + SetPara( pDummy, false ); + + // lock paragraph + TextFrameLockGuard aLock( this ); + + // simulate text formatting + SwTextFormatInfo aInf( getRootFrame()->GetCurrShell()->GetOut(), this, false, true, true ); + aInf.SetIgnoreFly( true ); + SwTextFormatter aLine( this, &aInf ); + SwHookOut aHook( aInf ); + aLine.CalcFitToContent_(); + + // determine additional first line offset + const SwLinePortion* pFirstPortion = aLine.GetCurr()->GetFirstPortion(); + if ( pFirstPortion->InNumberGrp() && !pFirstPortion->IsFootnoteNumPortion() ) + { + SwTwips nNumberPortionWidth( pFirstPortion->Width() ); + + const SwLinePortion* pPortion = pFirstPortion->GetNextPortion(); + while ( pPortion && + pPortion->InNumberGrp() && !pPortion->IsFootnoteNumPortion()) + { + nNumberPortionWidth += pPortion->Width(); + pPortion = pPortion->GetNextPortion(); + } + + if ( ( IsRightToLeft() && + rNumFormat.GetNumAdjust() == SvxAdjust::Left ) || + ( !IsRightToLeft() && + rNumFormat.GetNumAdjust() == SvxAdjust::Right ) ) + { + mnAdditionalFirstLineOffset = -nNumberPortionWidth; + } + else if ( rNumFormat.GetNumAdjust() == SvxAdjust::Center ) + { + mnAdditionalFirstLineOffset = -(nNumberPortionWidth/2); + } + } + + // restore paragraph portion + SetPara( pOldPara ); +} + +/** + * Determine the height of the last line for the calculation of + * the proportional line spacing + * + * Height of last line will be stored in new member + * mnHeightOfLastLine and can be accessed via method + * GetHeightOfLastLine() + * + * @param _bUseFont force the usage of the former algorithm to + * determine the height of the last line, which + * uses the font + */ +void SwTextFrame::CalcHeightOfLastLine( const bool _bUseFont ) +{ + // i#71281 + // Invalidate printing area, if height of last line changes + const SwTwips nOldHeightOfLastLine( mnHeightOfLastLine ); + + // determine output device + SwViewShell* pVsh = getRootFrame()->GetCurrShell(); + OSL_ENSURE( pVsh, "<SwTextFrame::_GetHeightOfLastLineForPropLineSpacing()> - no SwViewShell" ); + + // i#78921 + // There could be no <SwViewShell> instance in the case of loading a binary + // StarOffice file format containing an embedded Writer document. + if ( !pVsh ) + { + return; + } + OutputDevice* pOut = pVsh->GetOut(); + const IDocumentSettingAccess *const pIDSA = &GetDoc().getIDocumentSettingAccess(); + if ( !pVsh->GetViewOptions()->getBrowseMode() || + pVsh->GetViewOptions()->IsPrtFormat() ) + { + pOut = GetDoc().getIDocumentDeviceAccess().getReferenceDevice( true ); + } + OSL_ENSURE( pOut, "<SwTextFrame::_GetHeightOfLastLineForPropLineSpacing()> - no OutputDevice" ); + + if ( !pOut ) + { + return; + } + + // determine height of last line + if ( _bUseFont || pIDSA->get(DocumentSettingId::OLD_LINE_SPACING ) ) + { + // former determination of last line height for proportional line + // spacing - take height of font set at the paragraph + // FIXME actually... must the font match across all nodes? + SwFont aFont( &GetTextNodeForParaProps()->GetSwAttrSet(), pIDSA ); + + // we must ensure that the font is restored correctly on the OutputDevice + // otherwise Last!=Owner could occur + if ( pLastFont ) + { + SwFntObj *pOldFont = pLastFont; + pLastFont = nullptr; + aFont.SetFntChg( true ); + aFont.ChgPhysFnt( pVsh, *pOut ); + mnHeightOfLastLine = aFont.GetHeight( pVsh, *pOut ); + assert(pLastFont && "coverity[var_deref_model] - pLastFont should be set in SwSubFont::ChgFnt"); + pLastFont->Unlock(); + pLastFont = pOldFont; + pLastFont->SetDevFont( pVsh, *pOut ); + } + else + { + vcl::Font aOldFont = pOut->GetFont(); + aFont.SetFntChg( true ); + aFont.ChgPhysFnt( pVsh, *pOut ); + mnHeightOfLastLine = aFont.GetHeight( pVsh, *pOut ); + assert(pLastFont && "coverity[var_deref_model] - pLastFont should be set in SwSubFont::ChgFnt"); + pLastFont->Unlock(); + pLastFont = nullptr; + pOut->SetFont( aOldFont ); + } + } + else + { + // new determination of last line height - take actually height of last line + // i#89000 + // assure same results, if paragraph is undersized + if ( IsUndersized() ) + { + mnHeightOfLastLine = 0; + } + else + { + bool bCalcHeightOfLastLine = true; + if ( ( !HasPara() && IsEmpty( ) ) || GetText().isEmpty() ) + { + mnHeightOfLastLine = EmptyHeight(); + bCalcHeightOfLastLine = false; + } + + if ( bCalcHeightOfLastLine ) + { + OSL_ENSURE( HasPara(), + "<SwTextFrame::CalcHeightOfLastLine()> - missing paragraph portions." ); + const SwLineLayout* pLineLayout = GetPara(); + while ( pLineLayout && pLineLayout->GetNext() ) + { + // iteration to last line + pLineLayout = pLineLayout->GetNext(); + } + if ( pLineLayout ) + { + SwTwips nAscent, nDescent, nDummy1, nDummy2; + // i#47162 - suppress consideration of + // fly content portions and the line portion. + pLineLayout->MaxAscentDescent( nAscent, nDescent, + nDummy1, nDummy2, + nullptr, true ); + // i#71281 + // Suppress wrong invalidation of printing area, if method is + // called recursive. + // Thus, member <mnHeightOfLastLine> is only set directly, if + // no recursive call is needed. + const SwTwips nNewHeightOfLastLine = nAscent + nDescent; + // i#47162 - if last line only contains + // fly content portions, <mnHeightOfLastLine> is zero. + // In this case determine height of last line by the font + if ( nNewHeightOfLastLine == 0 ) + { + CalcHeightOfLastLine( true ); + } + else + { + mnHeightOfLastLine = nNewHeightOfLastLine; + } + } + } + } + } + // i#71281 + // invalidate printing area, if height of last line changes + if ( mnHeightOfLastLine != nOldHeightOfLastLine ) + { + InvalidatePrt(); + } +} + +/** + * Method returns the value of the inter line spacing for a text frame. + * Such a value exists for proportional line spacings ("1,5 Lines", + * "Double", "Proportional" and for leading line spacing ("Leading"). + * + * @param _bNoPropLineSpacing (default = false) control whether the + * value of a proportional line spacing is + * returned or not + */ +tools::Long SwTextFrame::GetLineSpace( const bool _bNoPropLineSpace ) const +{ + tools::Long nRet = 0; + + const SvxLineSpacingItem &rSpace = GetTextNodeForParaProps()->GetSwAttrSet().GetLineSpacing(); + + switch( rSpace.GetInterLineSpaceRule() ) + { + case SvxInterLineSpaceRule::Prop: + { + if ( _bNoPropLineSpace ) + { + break; + } + + // i#11860 - adjust spacing implementation for object positioning + // - compatibility to MS Word + nRet = GetHeightOfLastLine(); + + tools::Long nTmp = nRet; + nTmp *= rSpace.GetPropLineSpace(); + nTmp /= 100; + nTmp -= nRet; + if ( nTmp > 0 ) + nRet = nTmp; + else + nRet = 0; + } + break; + case SvxInterLineSpaceRule::Fix: + { + if ( rSpace.GetInterLineSpace() > 0 ) + nRet = rSpace.GetInterLineSpace(); + } + break; + default: + break; + } + return nRet; +} + +sal_uInt16 SwTextFrame::FirstLineHeight() const +{ + if ( !HasPara() ) + { + if( IsEmpty() && isFrameAreaDefinitionValid() ) + return IsVertical() ? o3tl::narrowing<sal_uInt16>(getFramePrintArea().Width()) : o3tl::narrowing<sal_uInt16>(getFramePrintArea().Height()); + return USHRT_MAX; + } + const SwParaPortion *pPara = GetPara(); + if ( !pPara ) + return USHRT_MAX; + + // tdf#146500 Lines with only fly overlap cannot be "moved", so the idea + // here is to continue until there's some text. + // FIXME ideally we want to count a fly to the line in which it is anchored + // - it may even be anchored in some other paragraph! SwFlyPortion doesn't + // have a pointer sadly so no way to find out. + sal_uInt16 nHeight(0); + for (SwLineLayout const* pLine = pPara; pLine; pLine = pLine->GetNext()) + { + nHeight += pLine->Height(); + if (::sw::FindNonFlyPortion(*pLine)) + { + break; + } + } + return nHeight; +} + +sal_Int32 SwTextFrame::GetLineCount(TextFrameIndex const nPos) +{ + sal_Int32 nRet = 0; + SwTextFrame *pFrame = this; + do + { + pFrame->GetFormatted(); + if( !pFrame->HasPara() ) + break; + SwTextSizeInfo aInf( pFrame ); + SwTextMargin aLine( pFrame, &aInf ); + if (TextFrameIndex(COMPLETE_STRING) == nPos) + aLine.Bottom(); + else + aLine.CharToLine( nPos ); + nRet = nRet + aLine.GetLineNr(); + pFrame = pFrame->GetFollow(); + } while ( pFrame && pFrame->GetOffset() <= nPos ); + return nRet; +} + +void SwTextFrame::ChgThisLines() +{ + // not necessary to format here (GetFormatted etc.), because we have to come from there! + sal_Int32 nNew = 0; + const SwLineNumberInfo &rInf = GetDoc().GetLineNumberInfo(); + if ( !GetText().isEmpty() && HasPara() ) + { + SwTextSizeInfo aInf( this ); + SwTextMargin aLine( this, &aInf ); + if ( rInf.IsCountBlankLines() ) + { + aLine.Bottom(); + nNew = aLine.GetLineNr(); + } + else + { + do + { + if( aLine.GetCurr()->HasContent() ) + ++nNew; + } while ( aLine.NextLine() ); + } + } + else if ( rInf.IsCountBlankLines() ) + nNew = 1; + + if ( nNew == mnThisLines ) + return; + + if (!IsInTab() && GetTextNodeForParaProps()->GetSwAttrSet().GetLineNumber().IsCount()) + { + mnAllLines -= mnThisLines; + mnThisLines = nNew; + mnAllLines += mnThisLines; + SwFrame *pNxt = GetNextContentFrame(); + while( pNxt && pNxt->IsInTab() ) + { + pNxt = pNxt->FindTabFrame(); + if( nullptr != pNxt ) + pNxt = pNxt->FindNextCnt(); + } + if( pNxt ) + pNxt->InvalidateLineNum(); + + // Extend repaint to the bottom. + if ( HasPara() ) + { + SwRepaint& rRepaint = GetPara()->GetRepaint(); + rRepaint.Bottom( std::max( rRepaint.Bottom(), + getFrameArea().Top()+getFramePrintArea().Bottom())); + } + } + else // Paragraphs which are not counted should not manipulate the AllLines. + mnThisLines = nNew; +} + +void SwTextFrame::RecalcAllLines() +{ + ValidateLineNum(); + + if ( IsInTab() ) + return; + + const sal_Int32 nOld = GetAllLines(); + const SwFormatLineNumber &rLineNum = GetTextNodeForParaProps()->GetSwAttrSet().GetLineNumber(); + sal_Int32 nNewNum; + const bool bRestart = GetDoc().GetLineNumberInfo().IsRestartEachPage(); + + if ( !IsFollow() && rLineNum.GetStartValue() && rLineNum.IsCount() ) + nNewNum = rLineNum.GetStartValue() - 1; + // If it is a follow or not has not be considered if it is a restart at each page; the + // restart should also take effect at follows. + else if ( bRestart && FindPageFrame()->FindFirstBodyContent() == this ) + { + nNewNum = 0; + } + else + { + SwContentFrame *pPrv = GetPrevContentFrame(); + while ( pPrv && + (pPrv->IsInTab() || pPrv->IsInDocBody() != IsInDocBody()) ) + pPrv = pPrv->GetPrevContentFrame(); + + // i#78254 Restart line numbering at page change + // First body content may be in table! + if ( bRestart && pPrv && pPrv->FindPageFrame() != FindPageFrame() ) + pPrv = nullptr; + + nNewNum = pPrv ? static_cast<SwTextFrame*>(pPrv)->GetAllLines() : 0; + } + if ( rLineNum.IsCount() ) + nNewNum += GetThisLines(); + + if ( nOld == nNewNum ) + return; + + mnAllLines = nNewNum; + SwContentFrame *pNxt = GetNextContentFrame(); + while ( pNxt && + (pNxt->IsInTab() || pNxt->IsInDocBody() != IsInDocBody()) ) + pNxt = pNxt->GetNextContentFrame(); + if ( pNxt ) + { + if ( pNxt->GetUpper() != GetUpper() ) + pNxt->InvalidateLineNum(); + else + pNxt->InvalidateLineNum_(); + } +} + +void SwTextFrame::VisitPortions( SwPortionHandler& rPH ) const +{ + const SwParaPortion* pPara = isFrameAreaDefinitionValid() ? GetPara() : nullptr; + + if (pPara) + { + if ( IsFollow() ) + rPH.Skip( GetOffset() ); + + const SwLineLayout* pLine = pPara; + while ( pLine ) + { + const SwLinePortion* pPor = pLine->GetFirstPortion(); + while ( pPor ) + { + pPor->HandlePortion( rPH ); + pPor = pPor->GetNextPortion(); + } + + rPH.LineBreak(); + pLine = pLine->GetNext(); + } + } + + rPH.Finish(); +} + +const SwScriptInfo* SwTextFrame::GetScriptInfo() const +{ + const SwParaPortion* pPara = GetPara(); + return pPara ? &pPara->GetScriptInfo() : nullptr; +} + +/** + * Helper function for SwTextFrame::CalcBasePosForFly() + */ +static SwTwips lcl_CalcFlyBasePos( const SwTextFrame& rFrame, SwRect aFlyRect, + SwTextFly const & rTextFly ) +{ + SwRectFnSet aRectFnSet(&rFrame); + SwTwips nRet = rFrame.IsRightToLeft() ? + aRectFnSet.GetRight(rFrame.getFrameArea()) : + aRectFnSet.GetLeft(rFrame.getFrameArea()); + + do + { + SwRect aRect = rTextFly.GetFrame( aFlyRect ); + if ( 0 != aRectFnSet.GetWidth(aRect) ) + { + if ( rFrame.IsRightToLeft() ) + { + if ( aRectFnSet.GetRight(aRect) - + aRectFnSet.GetRight(aFlyRect) >= 0 ) + { + aRectFnSet.SetRight( +aFlyRect, aRectFnSet.GetLeft(aRect) ); + nRet = aRectFnSet.GetLeft(aRect); + } + else + break; + } + else + { + if ( aRectFnSet.GetLeft(aFlyRect) - + aRectFnSet.GetLeft(aRect) >= 0 ) + { + aRectFnSet.SetLeft( +aFlyRect, aRectFnSet.GetRight(aRect) + 1 ); + nRet = aRectFnSet.GetRight(aRect); + } + else + break; + } + } + else + break; + } + while ( aRectFnSet.GetWidth(aFlyRect) > 0 ); + + return nRet; +} + +void SwTextFrame::CalcBaseOfstForFly() +{ + OSL_ENSURE( !IsVertical() || !IsSwapped(), + "SwTextFrame::CalcBasePosForFly with swapped frame!" ); + + if (!GetDoc().getIDocumentSettingAccess().get(DocumentSettingId::ADD_FLY_OFFSETS)) + return; + + SwRectFnSet aRectFnSet(this); + + SwRect aFlyRect( getFrameArea().Pos() + getFramePrintArea().Pos(), getFramePrintArea().SSize() ); + + // Get first 'real' line and adjust position and height of line rectangle. + // Correct behaviour if no 'real' line exists + // (empty paragraph with and without a dummy portion) + SwTwips nFlyAnchorVertOfstNoWrap = 0; + { + SwTwips nTop = aRectFnSet.GetTop(aFlyRect); + const SwLineLayout* pLay = GetPara(); + SwTwips nLineHeight = 200; + while( pLay && pLay->IsDummy() && pLay->GetNext() ) + { + nTop += pLay->Height(); + nFlyAnchorVertOfstNoWrap += pLay->Height(); + pLay = pLay->GetNext(); + } + if ( pLay ) + { + nLineHeight = pLay->Height(); + } + aRectFnSet.SetTopAndHeight( aFlyRect, nTop, nLineHeight ); + } + + SwTextFly aTextFly( this ); + aTextFly.SetIgnoreCurrentFrame( true ); + aTextFly.SetIgnoreContour( true ); + // ignore objects in page header|footer for + // text frames not in page header|footer + aTextFly.SetIgnoreObjsInHeaderFooter( true ); + SwTwips nRet1 = lcl_CalcFlyBasePos( *this, aFlyRect, aTextFly ); + aTextFly.SetIgnoreCurrentFrame( false ); + SwTwips nRet2 = lcl_CalcFlyBasePos( *this, aFlyRect, aTextFly ); + + // make values relative to frame start position + SwTwips nLeft = IsRightToLeft() ? + aRectFnSet.GetRight(getFrameArea()) : + aRectFnSet.GetLeft(getFrameArea()); + + mnFlyAnchorOfst = nRet1 - nLeft; + mnFlyAnchorOfstNoWrap = nRet2 - nLeft; + + if (!GetDoc().getIDocumentSettingAccess().get(DocumentSettingId::ADD_VERTICAL_FLY_OFFSETS)) + return; + + if (mnFlyAnchorOfstNoWrap > 0) + mnFlyAnchorVertOfstNoWrap = nFlyAnchorVertOfstNoWrap; +} + +SwTwips SwTextFrame::GetBaseVertOffsetForFly(bool bIgnoreFlysAnchoredAtThisFrame) const +{ + return bIgnoreFlysAnchoredAtThisFrame ? 0 : mnFlyAnchorVertOfstNoWrap; +} + +/** + * Repaint all text frames of the given text node + */ +void SwTextFrame::repaintTextFrames( const SwTextNode& rNode ) +{ + SwIterator<SwTextFrame, SwTextNode, sw::IteratorMode::UnwrapMulti> aIter(rNode); + for( const SwTextFrame *pFrame = aIter.First(); pFrame; pFrame = aIter.Next() ) + { + SwRect aRec( pFrame->GetPaintArea() ); + const SwRootFrame *pRootFrame = pFrame->getRootFrame(); + SwViewShell *pCurShell = pRootFrame ? pRootFrame->GetCurrShell() : nullptr; + if( pCurShell ) + pCurShell->InvalidateWindows( aRec ); + } +} + +void SwTextFrame::UpdateOutlineContentVisibilityButton(SwWrtShell* pWrtSh) const +{ + if (pWrtSh && pWrtSh->GetViewOptions()->IsShowOutlineContentVisibilityButton() && + GetTextNodeFirst()->IsOutline()) + { + SwEditWin& rEditWin = pWrtSh->GetView().GetEditWin(); + SwFrameControlsManager& rMngr = rEditWin.GetFrameControlsManager(); + rMngr.SetOutlineContentVisibilityButton(this); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |