/* -*- 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 #include #include #include "guess.hxx" #include "inftxt.hxx" #include #include #include #include #include #include #include #include "porfld.hxx" #include #include #include using namespace ::com::sun::star; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::i18n; using namespace ::com::sun::star::beans; using namespace ::com::sun::star::linguistic2; namespace{ bool IsBlank(sal_Unicode ch) { return ch == CH_BLANK || ch == CH_FULL_BLANK || ch == CH_NB_SPACE || ch == CH_SIX_PER_EM; } // Used when spaces should not be counted in layout // Returns adjusted cut position TextFrameIndex AdjustCutPos(TextFrameIndex cutPos, TextFrameIndex& rBreakPos, const SwTextFormatInfo& rInf) { assert(cutPos >= rInf.GetIdx()); TextFrameIndex x = rBreakPos = cutPos; // we step back until a non blank character has been found // or there is only one more character left while (x && x > rInf.GetIdx() + TextFrameIndex(1) && IsBlank(rInf.GetChar(--x))) --rBreakPos; while (IsBlank(rInf.GetChar(cutPos))) ++cutPos; return cutPos; } bool hasBlanksInLine(const SwTextFormatInfo& rInf, TextFrameIndex end) { for (auto x = rInf.GetLineStart(); x < end; ++x) if (IsBlank(rInf.GetChar(x))) return true; return false; } // Called for the last text run in a line; if it is block-adjusted, or center / right-adjusted // with Word compatibility option set, and it has trailing spaces, then the function sets the // values, and returns 'false' value that SwTextGuess::Guess should return, to create a // trailing SwHolePortion. bool maybeAdjustPositionsForBlockAdjust(TextFrameIndex& rCutPos, TextFrameIndex& rBreakPos, TextFrameIndex& rBreakStart, sal_uInt16& rBreakWidth, sal_uInt16& rExtraBlankWidth, sal_uInt16& rMaxSizeDiff, const SwTextFormatInfo& rInf, const SwScriptInfo& rSI, sal_uInt16 maxComp) { const auto& adjObj = rInf.GetTextFrame()->GetTextNodeForParaProps()->GetSwAttrSet().GetAdjust(); const SvxAdjust& adjust = adjObj.GetAdjust(); if (adjust == SvxAdjust::Block) { if (rInf.DontBlockJustify()) return true; // See tdf#106234 } else { // tdf#104668 space chars at the end should be cut if the compatibility option is enabled if (!rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get( DocumentSettingId::MS_WORD_COMP_TRAILING_BLANKS)) return true; // for LTR mode only if (rInf.GetTextFrame()->IsRightToLeft()) return true; } if (auto ch = rInf.GetChar(rCutPos); !ch) // end of paragraph - last line { if (adjust == SvxAdjust::Block) { // Check adjustment for last line switch (adjObj.GetLastBlock()) { default: return true; case SvxAdjust::Center: // tdf#104668 if (!rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get( DocumentSettingId::MS_WORD_COMP_TRAILING_BLANKS)) return true; break; case SvxAdjust::Block: break; // OK - last line uses block-adjustment } } } else if (ch != CH_BREAK && !IsBlank(ch)) return true; // tdf#57187: block-adjusted line shorter than full width, terminated by manual // line break, must not use trailing spaces for adjustment TextFrameIndex breakPos; TextFrameIndex newCutPos = AdjustCutPos(rCutPos, breakPos, rInf); if (auto ch = rInf.GetChar(newCutPos); ch && ch != CH_BREAK) return true; // next is neither line break nor paragraph end if (breakPos == newCutPos) return true; // no trailing whitespace if (adjust == SvxAdjust::Block && adjObj.GetOneWord() != SvxAdjust::Block && !hasBlanksInLine(rInf, breakPos)) return true; // line can't block-adjust // Some trailing spaces actually found, and in case of block adjustment, the text portion // itself has spaces to be able to block-adjust, or single word is allowed to adjust rBreakStart = rCutPos = newCutPos; rBreakPos = breakPos; rInf.GetTextSize(&rSI, rInf.GetIdx(), breakPos - rInf.GetIdx(), maxComp, rBreakWidth, rMaxSizeDiff, rInf.GetCachedVclData().get()); rInf.GetTextSize(&rSI, breakPos, rBreakStart - breakPos, maxComp, rExtraBlankWidth, rMaxSizeDiff, rInf.GetCachedVclData().get()); return false; // require SwHolePortion creation } } // provides information for line break calculation // returns true if no line break has to be performed // otherwise possible break or hyphenation position is determined bool SwTextGuess::Guess( const SwTextPortion& rPor, SwTextFormatInfo &rInf, const sal_uInt16 nPorHeight, sal_Int32 nSpacesInLine ) { m_nCutPos = rInf.GetIdx(); // Empty strings are always 0 if( !rInf.GetLen() || rInf.GetText().isEmpty() ) return false; OSL_ENSURE( rInf.GetIdx() < TextFrameIndex(rInf.GetText().getLength()), "+SwTextGuess::Guess: invalid SwTextFormatInfo" ); OSL_ENSURE( nPorHeight, "+SwTextGuess::Guess: no height" ); sal_uInt16 nMaxSizeDiff; const SwScriptInfo& rSI = rInf.GetParaPortion()->GetScriptInfo(); sal_uInt16 nMaxComp = ( SwFontScript::CJK == rInf.GetFont()->GetActual() ) && rSI.CountCompChg() && ! rInf.IsMulti() && ! rPor.InFieldGrp() && ! rPor.IsDropPortion() ? 10000 : 0 ; SwTwips nLineWidth = rInf.GetLineWidth(); TextFrameIndex nMaxLen = TextFrameIndex(rInf.GetText().getLength()) - rInf.GetIdx(); const SvxAdjust& rAdjust = rInf.GetTextFrame()->GetTextNodeForParaProps()->GetSwAttrSet().GetAdjust().GetAdjust(); // allow up to 20% shrinking of the spaces if ( nSpacesInLine ) { static constexpr OUStringLiteral STR_BLANK = u" "; sal_Int16 nSpaceWidth = rInf.GetTextSize(STR_BLANK).Width(); nLineWidth += nSpacesInLine * (nSpaceWidth/0.8 - nSpaceWidth); } if ( rInf.GetLen() < nMaxLen ) nMaxLen = rInf.GetLen(); if( !nMaxLen ) return false; sal_uInt16 nItalic = 0; if( ITALIC_NONE != rInf.GetFont()->GetItalic() && !rInf.NotEOL() ) { bool bAddItalic = true; // do not add extra italic value if we have an active character grid if ( rInf.SnapToGrid() ) { SwTextGridItem const*const pGrid( GetGridItem(rInf.GetTextFrame()->FindPageFrame())); bAddItalic = !pGrid || GRID_LINES_CHARS != pGrid->GetGridType(); } // do not add extra italic value for an isolated blank: if (TextFrameIndex(1) == rInf.GetLen() && CH_BLANK == rInf.GetText()[sal_Int32(rInf.GetIdx())]) { bAddItalic = false; } if (rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get( DocumentSettingId::TAB_OVER_MARGIN)) { // Content is allowed over the margin: in this case over-margin content caused by italic // formatting is OK. bAddItalic = false; } nItalic = bAddItalic ? nPorHeight / 12 : 0; nLineWidth -= nItalic; // #i46524# LineBreak bug with italics if ( nLineWidth < 0 ) nLineWidth = 0; } const sal_Int32 nLeftRightBorderSpace = (!rPor.GetJoinBorderWithNext() ? rInf.GetFont()->GetRightBorderSpace() : 0) + (!rPor.GetJoinBorderWithPrev() ? rInf.GetFont()->GetLeftBorderSpace() : 0); nLineWidth -= nLeftRightBorderSpace; const bool bUnbreakableNumberings = rInf.GetTextFrame()->GetDoc() .getIDocumentSettingAccess().get(DocumentSettingId::UNBREAKABLE_NUMBERINGS); // first check if everything fits to line if ( ( nLineWidth * 2 > SwTwips(sal_Int32(nMaxLen)) * nPorHeight ) || ( bUnbreakableNumberings && rPor.IsNumberPortion() ) ) { // call GetTextSize with maximum compression (for kanas) rInf.GetTextSize( &rSI, rInf.GetIdx(), nMaxLen, nMaxComp, m_nBreakWidth, nMaxSizeDiff ); if ( ( m_nBreakWidth <= nLineWidth ) || ( bUnbreakableNumberings && rPor.IsNumberPortion() ) ) { // portion fits to line m_nCutPos = rInf.GetIdx() + nMaxLen; bool bRet = rPor.InFieldGrp() || maybeAdjustPositionsForBlockAdjust(m_nCutPos, m_nBreakPos, m_nBreakStart, m_nBreakWidth, m_nExtraBlankWidth, nMaxSizeDiff, rInf, rSI, nMaxComp); if( nItalic && (m_nCutPos >= TextFrameIndex(rInf.GetText().getLength()) || // #i48035# Needed for CalcFitToContent // if first line ends with a manual line break rInf.GetText()[sal_Int32(m_nCutPos)] == CH_BREAK)) m_nBreakWidth += nItalic; // save maximum width for later use if ( nMaxSizeDiff ) rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff ); m_nBreakWidth += nLeftRightBorderSpace; return bRet; } } bool bHyph = rInf.IsHyphenate() && !rInf.IsHyphForbud(); TextFrameIndex nHyphPos(0); // nCutPos is the first character not fitting to the current line // nHyphPos is the first character not fitting to the current line, // considering an additional "-" for hyphenation if( bHyph ) { // nHyphZone is the first character not fitting in the hyphenation zone, // or 0, if the whole line in the hyphenation zone, // or -1, if no hyphenation zone defined (i.e. it is 0) sal_Int32 nHyphZone = -1; const css::beans::PropertyValues & rHyphValues = rInf.GetHyphValues(); assert( rHyphValues.getLength() > 5 && rHyphValues[5].Name == UPN_HYPH_ZONE ); // hyphenation zone (distance from the line end in twips) sal_uInt16 nTextHyphenZone; if ( rHyphValues[5].Value >>= nTextHyphenZone ) nHyphZone = nTextHyphenZone >= nLineWidth ? 0 : sal_Int32(rInf.GetTextBreak( nLineWidth - nTextHyphenZone, nMaxLen, nMaxComp, rInf.GetCachedVclData().get() )); m_nCutPos = rInf.GetTextBreak( nLineWidth, nMaxLen, nMaxComp, nHyphPos, rInf.GetCachedVclData().get() ); // don't try to hyphenate in the hyphenation zone if ( nHyphZone != -1 && TextFrameIndex(COMPLETE_STRING) != m_nCutPos ) { sal_Int32 nZonePos = sal_Int32(m_nCutPos); // disable hyphenation, if there is a space within the hyphenation zone // Note: for better interoperability, not fitting space character at // rInf.GetIdx()[nHyphZone] always disables the hyphenation, don't need to calculate // with its fitting part. Moreover, do not check double or more spaces there, they // are accepted outside of the hyphenation zone, too. for (; sal_Int32(rInf.GetIdx()) <= nZonePos && nHyphZone <= nZonePos; --nZonePos ) { sal_Unicode cChar = rInf.GetText()[nZonePos]; if ( cChar == CH_BLANK || cChar == CH_FULL_BLANK || cChar == CH_SIX_PER_EM ) { bHyph = false; } } } if (!rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().get( DocumentSettingId::HYPHENATE_URLS)) { // check URL from preceding space - similar to what AutoFormat does const CharClass& rCC = GetAppCharClass(); sal_Int32 begin(m_nCutPos == TextFrameIndex(COMPLETE_STRING) ? rInf.GetText().getLength() : sal_Int32(m_nCutPos)); sal_Int32 end(begin); for (; 0 < begin; --begin) { sal_Unicode cChar = rInf.GetText()[begin - 1]; if (cChar == CH_BLANK || cChar == CH_FULL_BLANK || cChar == CH_SIX_PER_EM) { break; } } for (; end < rInf.GetText().getLength(); ++end) { sal_Unicode cChar = rInf.GetText()[end]; if (cChar == CH_BLANK || cChar == CH_FULL_BLANK || cChar == CH_SIX_PER_EM) { break; } } if (!URIHelper::FindFirstURLInText(rInf.GetText(), begin, end, rCC).isEmpty()) { bHyph = false; } } // search start of the last word, if needed if ( bHyph ) { // nLastWord is the space character before the last word sal_Int32 nLastWord = rInf.GetText().getLength() - 1; bool bHyphenationNoLastWord = false; assert( rHyphValues.getLength() > 3 && rHyphValues[3].Name == UPN_HYPH_NO_LAST_WORD ); if ( rHyphValues[3].Value >>= bHyphenationNoLastWord ) { // skip spaces after the last word bool bCutBlank = false; for (; sal_Int32(rInf.GetIdx()) <= nLastWord; --nLastWord ) { sal_Unicode cChar = rInf.GetText()[nLastWord]; if ( cChar != CH_BLANK && cChar != CH_FULL_BLANK && cChar != CH_SIX_PER_EM ) bCutBlank = true; else if ( bCutBlank ) break; } } // don't hyphenate the last word of the paragraph if ( bHyphenationNoLastWord && sal_Int32(m_nCutPos) > nLastWord && TextFrameIndex(COMPLETE_STRING) != m_nCutPos && // if the last word is multiple line long, e.g. an URL, // apply this only if the space before the word is there // in the actual line, i.e. start the long word in a new // line, but still allows to break its last parts sal_Int32(rInf.GetIdx()) < nLastWord ) { m_nCutPos = TextFrameIndex(nLastWord); } } if ( !nHyphPos && rInf.GetIdx() ) nHyphPos = rInf.GetIdx() - TextFrameIndex(1); } else { m_nCutPos = rInf.GetTextBreak( nLineWidth, nMaxLen, nMaxComp, rInf.GetCachedVclData().get() ); #if OSL_DEBUG_LEVEL > 1 if ( TextFrameIndex(COMPLETE_STRING) != m_nCutPos ) { sal_uInt16 nMinSize; rInf.GetTextSize( &rSI, rInf.GetIdx(), m_nCutPos - rInf.GetIdx(), nMaxComp, nMinSize, nMaxSizeDiff ); OSL_ENSURE( nMinSize <= nLineWidth, "What a Guess!!!" ); } #endif } if( m_nCutPos > rInf.GetIdx() + nMaxLen ) { // second check if everything fits to line m_nCutPos = m_nBreakPos = rInf.GetIdx() + nMaxLen - TextFrameIndex(1); rInf.GetTextSize( &rSI, rInf.GetIdx(), nMaxLen, nMaxComp, m_nBreakWidth, nMaxSizeDiff ); // The following comparison should always give true, otherwise // there likely has been a pixel rounding error in GetTextBreak if ( m_nBreakWidth <= nLineWidth ) { bool bRet = rPor.InFieldGrp() || maybeAdjustPositionsForBlockAdjust(m_nCutPos, m_nBreakPos, m_nBreakStart, m_nBreakWidth, m_nExtraBlankWidth, nMaxSizeDiff, rInf, rSI, nMaxComp); if (nItalic && (m_nBreakPos + TextFrameIndex(1)) >= TextFrameIndex(rInf.GetText().getLength())) m_nBreakWidth += nItalic; // save maximum width for later use if ( nMaxSizeDiff ) rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff ); m_nBreakWidth += nLeftRightBorderSpace; return bRet; } } // we have to trigger an underflow for a footnote portion // which does not fit to the current line if ( rPor.IsFootnotePortion() ) { m_nBreakPos = rInf.GetIdx(); m_nCutPos = TextFrameIndex(-1); return false; } TextFrameIndex nPorLen(0); // do not call the break iterator nCutPos is a blank sal_Unicode cCutChar = rInf.GetChar(m_nCutPos); if (IsBlank(cCutChar)) { m_nCutPos = m_nBreakStart = AdjustCutPos(m_nCutPos, m_nBreakPos, rInf); nPorLen = m_nBreakPos - rInf.GetIdx(); } else { // New: We should have a look into the last portion, if it was a // field portion. For this, we expand the text of the field portion // into our string. If the line break position is inside of before // the field portion, we trigger an underflow. TextFrameIndex nOldIdx = rInf.GetIdx(); sal_Unicode cFieldChr = 0; #if OSL_DEBUG_LEVEL > 0 OUString aDebugString; #endif // be careful: a field portion can be both: 0x01 (common field) // or 0x02 (the follow of a footnode) if ( rInf.GetLast() && rInf.GetLast()->InFieldGrp() && ! rInf.GetLast()->IsFootnotePortion() && rInf.GetIdx() > rInf.GetLineStart() && CH_TXTATR_BREAKWORD == (cFieldChr = rInf.GetText()[sal_Int32(rInf.GetIdx()) - 1])) { SwFieldPortion* pField = static_cast(rInf.GetLast()); OUString aText; pField->GetExpText( rInf, aText ); if ( !aText.isEmpty() ) { m_nFieldDiff = TextFrameIndex(aText.getLength() - 1); m_nCutPos = m_nCutPos + m_nFieldDiff; nHyphPos = nHyphPos + m_nFieldDiff; #if OSL_DEBUG_LEVEL > 0 aDebugString = rInf.GetText(); #endif // this is pretty nutso... reverted at the end... OUString& rOldText = const_cast (rInf.GetText()); rOldText = rOldText.replaceAt(sal_Int32(rInf.GetIdx()) - 1, 1, aText); rInf.SetIdx( rInf.GetIdx() + m_nFieldDiff ); } else cFieldChr = 0; } LineBreakHyphenationOptions aHyphOpt; Reference< XHyphenator > xHyph; if( bHyph ) { xHyph = ::GetHyphenator(); aHyphOpt = LineBreakHyphenationOptions( xHyph, rInf.GetHyphValues(), sal_Int32(nHyphPos)); } // Get Language for break iterator. // We have to switch the current language if we have a script // change at nCutPos. Otherwise LATIN punctuation would never // be allowed to be hanging punctuation. // NEVER call GetLang if the string has been modified!!! LanguageType aLang = rInf.GetFont()->GetLanguage(); // If we are inside a field portion, we use a temporary string which // differs from the string at the textnode. Therefore we are not allowed // to call the GetLang function. if ( m_nCutPos && ! rPor.InFieldGrp() ) { const CharClass& rCC = GetAppCharClass(); // step back until a non-punctuation character is reached TextFrameIndex nLangIndex = m_nCutPos; // If a field has been expanded right in front of us we do not // step further than the beginning of the expanded field // (which is the position of the field placeholder in our // original string). const TextFrameIndex nDoNotStepOver = CH_TXTATR_BREAKWORD == cFieldChr ? rInf.GetIdx() - m_nFieldDiff - TextFrameIndex(1) : TextFrameIndex(0); if ( nLangIndex > nDoNotStepOver && TextFrameIndex(rInf.GetText().getLength()) == nLangIndex) --nLangIndex; while ( nLangIndex > nDoNotStepOver && !rCC.isLetterNumeric(rInf.GetText(), sal_Int32(nLangIndex))) --nLangIndex; // last "real" character is not inside our current portion // we have to check the script type of the last "real" character if ( nLangIndex < rInf.GetIdx() ) { sal_uInt16 nScript = g_pBreakIt->GetRealScriptOfText( rInf.GetText(), sal_Int32(nLangIndex)); OSL_ENSURE( nScript, "Script is not between 1 and 4" ); // compare current script with script from last "real" character if ( SwFontScript(nScript - 1) != rInf.GetFont()->GetActual() ) { aLang = rInf.GetTextFrame()->GetLangOfChar( CH_TXTATR_BREAKWORD == cFieldChr ? nDoNotStepOver : nLangIndex, nScript, true); } } } const ForbiddenCharacters aForbidden( *rInf.GetTextFrame()->GetDoc().getIDocumentSettingAccess().getForbiddenCharacters(aLang, true)); const bool bAllowHanging = rInf.IsHanging() && ! rInf.IsMulti() && ! rInf.GetTextFrame()->IsInTab() && ! rPor.InFieldGrp(); LineBreakUserOptions aUserOpt( aForbidden.beginLine, aForbidden.endLine, rInf.HasForbiddenChars(), bAllowHanging, false ); // !!! We must have a local copy of the locale, because inside // getLineBreak the LinguEventListener can trigger a new formatting, // which can corrupt the locale pointer inside pBreakIt. const lang::Locale aLocale = g_pBreakIt->GetLocale( aLang ); // determines first possible line break from nCutPos to // start index of current line LineBreakResults aResult = g_pBreakIt->GetBreakIter()->getLineBreak( rInf.GetText(), sal_Int32(m_nCutPos), aLocale, sal_Int32(rInf.GetLineStart()), aHyphOpt, aUserOpt ); m_nBreakPos = TextFrameIndex(aResult.breakIndex); // if we are formatting multi portions we want to allow line breaks // at the border between single line and multi line portion // we have to be careful with footnote portions, they always come in // with an index 0 if ( m_nBreakPos < rInf.GetLineStart() && rInf.IsFirstMulti() && ! rInf.IsFootnoteInside() ) m_nBreakPos = rInf.GetLineStart(); m_nBreakStart = m_nBreakPos; bHyph = BreakType::HYPHENATION == aResult.breakType && // allow hyphenation of the word only if it's not disabled by character formatting LANGUAGE_NONE != rInf.GetTextFrame()->GetLangOfChar( TextFrameIndex( sal_Int32(m_nBreakPos) + aResult.rHyphenatedWord->getHyphenationPos() ), 1, true, /*bNoneIfNoHyphenation=*/true ); if (bHyph && m_nBreakPos != TextFrameIndex(COMPLETE_STRING)) { // found hyphenation position within line // nBreakPos is set to the hyphenation position m_xHyphWord = aResult.rHyphenatedWord; m_nBreakPos += TextFrameIndex(m_xHyphWord->getHyphenationPos() + 1); // if not in interactive mode, we have to break behind a soft hyphen if ( ! rInf.IsInterHyph() && rInf.GetIdx() ) { sal_Int32 const nSoftHyphPos = m_xHyphWord->getWord().indexOf( CHAR_SOFTHYPHEN ); if ( nSoftHyphPos >= 0 && m_nBreakStart + TextFrameIndex(nSoftHyphPos) <= m_nBreakPos && m_nBreakPos > rInf.GetLineStart() ) m_nBreakPos = rInf.GetIdx() - TextFrameIndex(1); } if( m_nBreakPos >= rInf.GetIdx() ) { nPorLen = m_nBreakPos - rInf.GetIdx(); if ('-' == rInf.GetText()[ sal_Int32(m_nBreakPos) - 1 ]) m_xHyphWord = nullptr; } } else if ( !bHyph && m_nBreakPos >= rInf.GetLineStart() ) { OSL_ENSURE(sal_Int32(m_nBreakPos) != COMPLETE_STRING, "we should have found a break pos"); // found break position within line m_xHyphWord = nullptr; // check, if break position is soft hyphen and an underflow // has to be triggered if( m_nBreakPos > rInf.GetLineStart() && rInf.GetIdx() && CHAR_SOFTHYPHEN == rInf.GetText()[ sal_Int32(m_nBreakPos) - 1 ]) { m_nBreakPos = rInf.GetIdx() - TextFrameIndex(1); } if( rAdjust != SvxAdjust::Left ) { // Delete any blanks at the end of a line, but be careful: // If a field has been expanded, we do not want to delete any // blanks inside the field portion. This would cause an unwanted // underflow TextFrameIndex nX = m_nBreakPos; while( nX > rInf.GetLineStart() && ( CH_TXTATR_BREAKWORD != cFieldChr || nX > rInf.GetIdx() ) && ( CH_BLANK == rInf.GetChar( --nX ) || CH_SIX_PER_EM == rInf.GetChar( nX ) || CH_FULL_BLANK == rInf.GetChar( nX ) ) ) m_nBreakPos = nX; } if( m_nBreakPos > rInf.GetIdx() ) nPorLen = m_nBreakPos - rInf.GetIdx(); } else { // no line break found, setting nBreakPos to COMPLETE_STRING // causes a break cut m_nBreakPos = TextFrameIndex(COMPLETE_STRING); OSL_ENSURE( m_nCutPos >= rInf.GetIdx(), "Deep cut" ); nPorLen = m_nCutPos - rInf.GetIdx(); } if (m_nBreakPos > m_nCutPos && m_nBreakPos != TextFrameIndex(COMPLETE_STRING)) { const TextFrameIndex nHangingLen = m_nBreakPos - m_nCutPos; SwPosSize aTmpSize = rInf.GetTextSize( &rSI, m_nCutPos, nHangingLen ); aTmpSize.Width(aTmpSize.Width() + nLeftRightBorderSpace); OSL_ENSURE( !m_pHanging, "A hanging portion is hanging around" ); m_pHanging.reset( new SwHangingPortion( std::move(aTmpSize) ) ); m_pHanging->SetLen( nHangingLen ); nPorLen = m_nCutPos - rInf.GetIdx(); } // If we expanded a field, we must repair the original string. // In case we do not trigger an underflow, we correct the nBreakPos // value, but we cannot correct the nBreakStart value: // If we have found a hyphenation position, nBreakStart can lie before // the field. if ( CH_TXTATR_BREAKWORD == cFieldChr ) { if ( m_nBreakPos < rInf.GetIdx() ) m_nBreakPos = nOldIdx - TextFrameIndex(1); else if (TextFrameIndex(COMPLETE_STRING) != m_nBreakPos) { OSL_ENSURE( m_nBreakPos >= m_nFieldDiff, "I've got field trouble!" ); m_nBreakPos = m_nBreakPos - m_nFieldDiff; } OSL_ENSURE( m_nCutPos >= rInf.GetIdx() && m_nCutPos >= m_nFieldDiff, "I've got field trouble, part2!" ); m_nCutPos = m_nCutPos - m_nFieldDiff; OUString& rOldText = const_cast (rInf.GetText()); OUString aReplacement( cFieldChr ); rOldText = rOldText.replaceAt(sal_Int32(nOldIdx) - 1, sal_Int32(m_nFieldDiff) + 1, aReplacement); rInf.SetIdx( nOldIdx ); #if OSL_DEBUG_LEVEL > 0 OSL_ENSURE( aDebugString == rInf.GetText(), "Somebody, somebody, somebody put something in my string" ); #endif } } if( nPorLen ) { rInf.GetTextSize( &rSI, rInf.GetIdx(), nPorLen, nMaxComp, m_nBreakWidth, nMaxSizeDiff, rInf.GetCachedVclData().get() ); // save maximum width for later use if ( nMaxSizeDiff ) rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff ); m_nBreakWidth += nItalic + nLeftRightBorderSpace; } else m_nBreakWidth = 0; if (m_nBreakStart > rInf.GetIdx() + nPorLen + m_nFieldDiff) { rInf.GetTextSize(&rSI, rInf.GetIdx() + nPorLen, m_nBreakStart - rInf.GetIdx() - nPorLen - m_nFieldDiff, nMaxComp, m_nExtraBlankWidth, nMaxSizeDiff, rInf.GetCachedVclData().get()); } if( m_pHanging ) { m_nBreakPos = m_nCutPos; // Keep following SwBreakPortion in the same line. if ( CH_BREAK == rInf.GetChar( m_nBreakPos + m_pHanging->GetLen() ) ) return true; } return false; } // returns true if word at position nPos has a different spelling // if hyphenated at this position (old german spelling) bool SwTextGuess::AlternativeSpelling( const SwTextFormatInfo &rInf, const TextFrameIndex nPos) { // get word boundaries Boundary aBound = g_pBreakIt->GetBreakIter()->getWordBoundary( rInf.GetText(), sal_Int32(nPos), g_pBreakIt->GetLocale( rInf.GetFont()->GetLanguage() ), WordType::DICTIONARY_WORD, true ); m_nBreakStart = TextFrameIndex(aBound.startPos); sal_Int32 nWordLen = aBound.endPos - sal_Int32(m_nBreakStart); // if everything else fails, we want to cut at nPos m_nCutPos = nPos; OUString const aText( rInf.GetText().copy(sal_Int32(m_nBreakStart), nWordLen) ); // check, if word has alternative spelling Reference< XHyphenator > xHyph( ::GetHyphenator() ); OSL_ENSURE( xHyph.is(), "Hyphenator is missing"); //! subtract 1 since the UNO-interface is 0 based m_xHyphWord = xHyph->queryAlternativeSpelling( aText, g_pBreakIt->GetLocale( rInf.GetFont()->GetLanguage() ), sal::static_int_cast(sal_Int32(nPos - m_nBreakStart)), rInf.GetHyphValues() ); return m_xHyphWord.is() && m_xHyphWord->isAlternativeSpelling(); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */