Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <ctype.h>
21 : #include <editeng/unolingu.hxx>
22 : #include <dlelstnr.hxx>
23 : #include <swmodule.hxx>
24 : #include <IDocumentSettingAccess.hxx>
25 : #include <guess.hxx>
26 : #include <inftxt.hxx>
27 : #include <pagefrm.hxx>
28 : #include <pagedesc.hxx>
29 : #include <tgrditem.hxx>
30 : #include <com/sun/star/i18n/BreakType.hpp>
31 : #include <com/sun/star/i18n/WordType.hpp>
32 : #include <unotools/charclass.hxx>
33 : #include <porfld.hxx>
34 : #include <paratr.hxx>
35 :
36 : using namespace ::com::sun::star;
37 : using namespace ::com::sun::star::uno;
38 : using namespace ::com::sun::star::i18n;
39 : using namespace ::com::sun::star::beans;
40 : using namespace ::com::sun::star::linguistic2;
41 :
42 : #define CH_FULL_BLANK 0x3000
43 :
44 : // provides information for line break calculation
45 : // returns true if no line break has to be performed
46 : // otherwise possible break or hyphenation position is determined
47 161843 : bool SwTxtGuess::Guess( const SwTxtPortion& rPor, SwTxtFormatInfo &rInf,
48 : const sal_uInt16 nPorHeight )
49 : {
50 161843 : nCutPos = rInf.GetIdx();
51 :
52 : // Empty strings are always 0
53 161843 : if( !rInf.GetLen() || rInf.GetTxt().isEmpty() )
54 0 : return false;
55 :
56 : OSL_ENSURE( rInf.GetIdx() < rInf.GetTxt().getLength(),
57 : "+SwTxtGuess::Guess: invalid SwTxtFormatInfo" );
58 :
59 : OSL_ENSURE( nPorHeight, "+SwTxtGuess::Guess: no height" );
60 :
61 : sal_uInt16 nMaxSizeDiff;
62 :
63 : const SwScriptInfo& rSI =
64 161843 : ((SwParaPortion*)rInf.GetParaPortion())->GetScriptInfo();
65 :
66 161885 : sal_uInt16 nMaxComp = ( SW_CJK == rInf.GetFont()->GetActual() ) &&
67 42 : rSI.CountCompChg() &&
68 0 : ! rInf.IsMulti() &&
69 0 : ! rPor.InFldGrp() &&
70 0 : ! rPor.IsDropPortion() ?
71 : 10000 :
72 161843 : 0 ;
73 :
74 161843 : SwTwips nLineWidth = rInf.Width() - rInf.X();
75 161843 : sal_Int32 nMaxLen = rInf.GetTxt().getLength() - rInf.GetIdx();
76 :
77 161843 : if ( rInf.GetLen() < nMaxLen )
78 85564 : nMaxLen = rInf.GetLen();
79 :
80 161843 : if( !nMaxLen )
81 0 : return false;
82 :
83 161843 : sal_uInt16 nItalic = 0;
84 161843 : if( ITALIC_NONE != rInf.GetFont()->GetItalic() && !rInf.NotEOL() )
85 : {
86 12134 : bool bAddItalic = true;
87 :
88 : // do not add extra italic value if we have an active character grid
89 12134 : if ( rInf.SnapToGrid() )
90 : {
91 : SwTextGridItem const*const pGrid(
92 1956 : GetGridItem(rInf.GetTxtFrm()->FindPageFrm()));
93 1956 : bAddItalic = !pGrid || GRID_LINES_CHARS != pGrid->GetGridType();
94 : }
95 :
96 : // do not add extra italic value for an isolated blank:
97 13308 : if ( 1 == rInf.GetLen() &&
98 1174 : CH_BLANK == rInf.GetTxt()[ rInf.GetIdx() ] )
99 912 : bAddItalic = false;
100 :
101 12134 : nItalic = bAddItalic ? nPorHeight / 12 : 0;
102 :
103 12134 : nLineWidth -= nItalic;
104 :
105 : // #i46524# LineBreak bug with italics
106 12134 : if ( nLineWidth < 0 ) nLineWidth = 0;
107 : }
108 :
109 : const sal_Int32 nLeftRightBorderSpace =
110 485529 : (!rPor.GetJoinBorderWithNext() ? rInf.GetFont()->GetRightBorderSpace() : 0) +
111 485529 : (!rPor.GetJoinBorderWithPrev() ? rInf.GetFont()->GetLeftBorderSpace() : 0);
112 :
113 161843 : nLineWidth -= nLeftRightBorderSpace;
114 :
115 161843 : const bool bUnbreakableNumberings = rInf.GetTxtFrm()->GetTxtNode()->
116 161843 : getIDocumentSettingAccess()->get(IDocumentSettingAccess::UNBREAKABLE_NUMBERINGS);
117 :
118 : // first check if everything fits to line
119 257103 : if ( ( long ( nLineWidth ) * 2 > long ( nMaxLen ) * nPorHeight ) ||
120 32688 : ( bUnbreakableNumberings && rPor.IsNumberPortion() ) )
121 : {
122 : // call GetTxtSize with maximum compression (for kanas)
123 : rInf.GetTxtSize( &rSI, rInf.GetIdx(), nMaxLen,
124 95260 : nMaxComp, nBreakWidth, nMaxSizeDiff );
125 :
126 95260 : if ( ( nBreakWidth <= nLineWidth ) || ( bUnbreakableNumberings && rPor.IsNumberPortion() ) )
127 : {
128 : // portion fits to line
129 95234 : nCutPos = rInf.GetIdx() + nMaxLen;
130 104110 : if( nItalic &&
131 8764 : ( nCutPos >= rInf.GetTxt().getLength() ||
132 : // #i48035# Needed for CalcFitToContent
133 : // if first line ends with a manual line break
134 2886 : rInf.GetTxt()[ nCutPos ] == CH_BREAK ) )
135 2998 : nBreakWidth = nBreakWidth + nItalic;
136 :
137 : // save maximum width for later use
138 95234 : if ( nMaxSizeDiff )
139 0 : rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff );
140 :
141 95234 : nBreakWidth += nLeftRightBorderSpace;
142 :
143 95234 : return true;
144 : }
145 : }
146 :
147 66609 : bool bHyph = rInf.IsHyphenate() && !rInf.IsHyphForbud();
148 66609 : sal_Int32 nHyphPos = 0;
149 :
150 : // nCutPos is the first character not fitting to the current line
151 : // nHyphPos is the first character not fitting to the current line,
152 : // considering an additional "-" for hyphenation
153 66609 : if( bHyph )
154 : {
155 0 : nCutPos = rInf.GetTxtBreak( nLineWidth, nMaxLen, nMaxComp, nHyphPos );
156 :
157 0 : if ( !nHyphPos && rInf.GetIdx() )
158 0 : nHyphPos = rInf.GetIdx() - 1;
159 : }
160 : else
161 : {
162 66609 : nCutPos = rInf.GetTxtBreak( nLineWidth, nMaxLen, nMaxComp );
163 :
164 : #if OSL_DEBUG_LEVEL > 1
165 : if ( COMPLETE_STRING != nCutPos )
166 : {
167 : sal_uInt16 nMinSize;
168 : rInf.GetTxtSize( &rSI, rInf.GetIdx(), nCutPos - rInf.GetIdx(),
169 : nMaxComp, nMinSize, nMaxSizeDiff );
170 : OSL_ENSURE( nMinSize <= nLineWidth, "What a Guess!!!" );
171 : }
172 : #endif
173 : }
174 :
175 66609 : if( nCutPos > rInf.GetIdx() + nMaxLen )
176 : {
177 : // second check if everything fits to line
178 10161 : nCutPos = nBreakPos = rInf.GetIdx() + nMaxLen - 1;
179 : rInf.GetTxtSize( &rSI, rInf.GetIdx(), nMaxLen, nMaxComp,
180 10161 : nBreakWidth, nMaxSizeDiff );
181 :
182 : // The following comparison should always give true, otherwise
183 : // there likely has been a pixel rounding error in GetTxtBreak
184 10161 : if ( nBreakWidth <= nLineWidth )
185 : {
186 10161 : if( nItalic && ( nBreakPos + 1 ) >= rInf.GetTxt().getLength() )
187 170 : nBreakWidth = nBreakWidth + nItalic;
188 :
189 : // save maximum width for later use
190 10161 : if ( nMaxSizeDiff )
191 0 : rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff );
192 :
193 10161 : nBreakWidth += nLeftRightBorderSpace;
194 :
195 10161 : return true;
196 : }
197 : }
198 :
199 : // we have to trigger an underflow for a footnote portion
200 : // which does not fit to the current line
201 56448 : if ( rPor.IsFtnPortion() )
202 : {
203 0 : nBreakPos = rInf.GetIdx();
204 0 : nCutPos = rInf.GetLen();
205 0 : return false;
206 : }
207 :
208 56448 : sal_Int32 nPorLen = 0;
209 : // do not call the break iterator nCutPos is a blank
210 56448 : sal_Unicode cCutChar = rInf.GetTxt()[ nCutPos ];
211 56448 : if( CH_BLANK == cCutChar || CH_FULL_BLANK == cCutChar )
212 : {
213 2421 : nBreakPos = nCutPos;
214 2421 : sal_Int32 nX = nBreakPos;
215 :
216 2421 : const SvxAdjust& rAdjust = rInf.GetTxtFrm()->GetTxtNode()->GetSwAttrSet().GetAdjust().GetAdjust();
217 2421 : if ( rAdjust == SVX_ADJUST_LEFT )
218 : {
219 : // we step back until a non blank character has been found
220 : // or there is only one more character left
221 3242 : while( nX && nBreakPos > rInf.GetTxt().getLength() &&
222 0 : ( CH_BLANK == ( cCutChar = rInf.GetChar( --nX ) ) ||
223 : CH_FULL_BLANK == cCutChar ) )
224 0 : --nBreakPos;
225 : }
226 : else // #i20878#
227 : {
228 3276 : while( nX && nBreakPos > rInf.GetLineStart() + 1 &&
229 1782 : ( CH_BLANK == ( cCutChar = rInf.GetChar( --nX ) ) ||
230 : CH_FULL_BLANK == cCutChar ) )
231 314 : --nBreakPos;
232 : }
233 :
234 2421 : if( nBreakPos > rInf.GetIdx() )
235 2215 : nPorLen = nBreakPos - rInf.GetIdx();
236 7154 : while( ++nCutPos < rInf.GetTxt().getLength() &&
237 5836 : ( CH_BLANK == ( cCutChar = rInf.GetChar( nCutPos ) ) ||
238 : CH_FULL_BLANK == cCutChar ) )
239 : ; // nothing
240 :
241 2421 : nBreakStart = nCutPos;
242 : }
243 54027 : else if( g_pBreakIt->GetBreakIter().is() )
244 : {
245 : // New: We should have a look into the last portion, if it was a
246 : // field portion. For this, we expand the text of the field portion
247 : // into our string. If the line break position is inside of before
248 : // the field portion, we trigger an underflow.
249 :
250 54027 : sal_Int32 nOldIdx = rInf.GetIdx();
251 54027 : sal_Unicode cFldChr = 0;
252 :
253 : #if OSL_DEBUG_LEVEL > 0
254 : OUString aDebugString;
255 : #endif
256 :
257 : // be careful: a field portion can be both: 0x01 (common field)
258 : // or 0x02 (the follow of a footnode)
259 162497 : if ( rInf.GetLast() && rInf.GetLast()->InFldGrp() &&
260 832 : ! rInf.GetLast()->IsFtnPortion() &&
261 54485 : rInf.GetIdx() > rInf.GetLineStart() &&
262 : CH_TXTATR_BREAKWORD ==
263 42 : ( cFldChr = rInf.GetTxt()[ rInf.GetIdx() - 1 ] ) )
264 : {
265 42 : SwFldPortion* pFld = (SwFldPortion*)rInf.GetLast();
266 42 : OUString aTxt;
267 42 : pFld->GetExpTxt( rInf, aTxt );
268 :
269 42 : if ( !aTxt.isEmpty() )
270 : {
271 42 : nFieldDiff = aTxt.getLength() - 1;
272 42 : nCutPos = nCutPos + nFieldDiff;
273 42 : nHyphPos = nHyphPos + nFieldDiff;
274 :
275 : #if OSL_DEBUG_LEVEL > 0
276 : aDebugString = rInf.GetTxt();
277 : #endif
278 :
279 42 : OUString& rOldTxt = const_cast<OUString&> (rInf.GetTxt());
280 42 : rOldTxt = rOldTxt.replaceAt( rInf.GetIdx() - 1, 1, aTxt );
281 42 : rInf.SetIdx( rInf.GetIdx() + nFieldDiff );
282 : }
283 : else
284 0 : cFldChr = 0;
285 : }
286 :
287 54027 : LineBreakHyphenationOptions aHyphOpt;
288 108054 : Reference< XHyphenator > xHyph;
289 54027 : if( bHyph )
290 : {
291 0 : xHyph = ::GetHyphenator();
292 0 : aHyphOpt = LineBreakHyphenationOptions( xHyph,
293 0 : rInf.GetHyphValues(), nHyphPos );
294 : }
295 :
296 : // Get Language for break iterator.
297 : // We have to switch the current language if we have a script
298 : // change at nCutPos. Otherwise LATIN punctuation would never
299 : // be allowed to be hanging punctuation.
300 : // NEVER call GetLang if the string has been modified!!!
301 54027 : LanguageType aLang = rInf.GetFont()->GetLanguage();
302 :
303 : // If we are inside a field portion, we use a temporary string which
304 : // differs from the string at the textnode. Therefore we are not allowed
305 : // to call the GetLang function.
306 54027 : if ( nCutPos && ! rPor.InFldGrp() )
307 : {
308 53721 : const CharClass& rCC = GetAppCharClass();
309 :
310 : // step back until a non-punctuation character is reached
311 53721 : sal_Int32 nLangIndex = nCutPos;
312 :
313 : // If a field has been expanded right in front of us we do not
314 : // step further than the beginning of the expanded field
315 : // (which is the position of the field placeholder in our
316 : // original string).
317 : const sal_Int32 nDoNotStepOver = CH_TXTATR_BREAKWORD == cFldChr ?
318 42 : rInf.GetIdx() - nFieldDiff - 1:
319 53763 : 0;
320 :
321 174097 : while ( nLangIndex > nDoNotStepOver &&
322 60164 : ! rCC.isLetterNumeric( rInf.GetTxt(), nLangIndex ) )
323 6491 : --nLangIndex;
324 :
325 : // last "real" character is not inside our current portion
326 : // we have to check the script type of the last "real" character
327 53721 : if ( nLangIndex < rInf.GetIdx() )
328 : {
329 108 : sal_uInt16 nScript = g_pBreakIt->GetRealScriptOfText( rInf.GetTxt(),
330 108 : nLangIndex );
331 : OSL_ENSURE( nScript, "Script is not between 1 and 4" );
332 :
333 : // compare current script with script from last "real" character
334 108 : if ( nScript - 1 != rInf.GetFont()->GetActual() )
335 : aLang = rInf.GetTxtFrm()->GetTxtNode()->GetLang(
336 : CH_TXTATR_BREAKWORD == cFldChr ?
337 : nDoNotStepOver :
338 0 : nLangIndex, 0, nScript );
339 : }
340 : }
341 :
342 : const ForbiddenCharacters aForbidden(
343 108054 : *rInf.GetTxtFrm()->GetNode()->getIDocumentSettingAccess()->getForbiddenCharacters( aLang, true ) );
344 :
345 107766 : const bool bAllowHanging = rInf.IsHanging() && ! rInf.IsMulti() &&
346 107766 : ! rPor.InFldGrp();
347 :
348 : LineBreakUserOptions aUserOpt(
349 : aForbidden.beginLine, aForbidden.endLine,
350 108054 : rInf.HasForbiddenChars(), bAllowHanging, false );
351 :
352 : //! register listener to LinguServiceEvents now in order to get
353 : //! notified about relevant changes in the future
354 54027 : SwModule *pModule = SW_MOD();
355 54027 : if (!pModule->GetLngSvcEvtListener().is())
356 42 : pModule->CreateLngSvcEvtListener();
357 :
358 : // !!! We must have a local copy of the locale, because inside
359 : // getLineBreak the LinguEventListener can trigger a new formatting,
360 : // which can corrupt the locale pointer inside pBreakIt.
361 108054 : const lang::Locale aLocale = g_pBreakIt->GetLocale( aLang );
362 :
363 : // determines first possible line break from nCutPos to
364 : // start index of current line
365 108054 : LineBreakResults aResult = g_pBreakIt->GetBreakIter()->getLineBreak(
366 54027 : rInf.GetTxt(), nCutPos, aLocale,
367 162081 : rInf.GetLineStart(), aHyphOpt, aUserOpt );
368 :
369 54027 : nBreakPos = aResult.breakIndex;
370 :
371 : // if we are formatting multi portions we want to allow line breaks
372 : // at the border between single line and multi line portion
373 : // we have to be careful with footnote portions, they always come in
374 : // with an index 0
375 54027 : if ( nBreakPos < rInf.GetLineStart() && rInf.IsFirstMulti() &&
376 0 : ! rInf.IsFtnInside() )
377 0 : nBreakPos = rInf.GetLineStart();
378 :
379 54027 : nBreakStart = nBreakPos;
380 :
381 54027 : bHyph = BreakType::HYPHENATION == aResult.breakType;
382 :
383 54027 : if ( bHyph && nBreakPos != COMPLETE_STRING )
384 : {
385 : // found hyphenation position within line
386 : // nBreakPos is set to the hyphenation position
387 0 : xHyphWord = aResult.rHyphenatedWord;
388 0 : nBreakPos += xHyphWord->getHyphenationPos() + 1;
389 :
390 : #if OSL_DEBUG_LEVEL > 1
391 : // e.g., Schif-fahrt, referes to our string
392 : const OUString aWord = xHyphWord->getWord();
393 : // e.g., Schiff-fahrt, referes to the word after hyphenation
394 : const OUString aHyphenatedWord = xHyphWord->getHyphenatedWord();
395 : // e.g., Schif-fahrt: 5, referes to our string
396 : const sal_uInt16 nHyphenationPos = xHyphWord->getHyphenationPos();
397 : (void)nHyphenationPos;
398 : // e.g., Schiff-fahrt: 6, referes to the word after hyphenation
399 : const sal_uInt16 nHyphenPos = xHyphWord->getHyphenPos();
400 : (void)nHyphenPos;
401 : #endif
402 :
403 : // if not in interactive mode, we have to break behind a soft hyphen
404 0 : if ( ! rInf.IsInterHyph() && rInf.GetIdx() )
405 : {
406 : const long nSoftHyphPos =
407 0 : xHyphWord->getWord().indexOf( CHAR_SOFTHYPHEN );
408 :
409 0 : if ( nSoftHyphPos >= 0 &&
410 0 : nBreakStart + nSoftHyphPos <= nBreakPos &&
411 0 : nBreakPos > rInf.GetLineStart() )
412 0 : nBreakPos = rInf.GetIdx() - 1;
413 : }
414 :
415 0 : if( nBreakPos >= rInf.GetIdx() )
416 : {
417 0 : nPorLen = nBreakPos - rInf.GetIdx();
418 0 : if( '-' == rInf.GetTxt()[ nBreakPos - 1 ] )
419 0 : xHyphWord = NULL;
420 0 : }
421 : }
422 54027 : else if ( !bHyph && nBreakPos >= rInf.GetLineStart() )
423 : {
424 : OSL_ENSURE( nBreakPos != COMPLETE_STRING, "we should have found a break pos" );
425 :
426 : // found break position within line
427 51899 : xHyphWord = NULL;
428 :
429 : // check, if break position is soft hyphen and an underflow
430 : // has to be triggered
431 92554 : if( nBreakPos > rInf.GetLineStart() && rInf.GetIdx() &&
432 40655 : CHAR_SOFTHYPHEN == rInf.GetTxt()[ nBreakPos - 1 ] )
433 0 : nBreakPos = rInf.GetIdx() - 1;
434 :
435 51899 : const SvxAdjust& rAdjust = rInf.GetTxtFrm()->GetTxtNode()->GetSwAttrSet().GetAdjust().GetAdjust();
436 51899 : if( rAdjust != SVX_ADJUST_LEFT )
437 : {
438 : // Delete any blanks at the end of a line, but be careful:
439 : // If a field has been expanded, we do not want to delete any
440 : // blanks inside the field portion. This would cause an unwanted
441 : // underflow
442 5236 : sal_Int32 nX = nBreakPos;
443 35422 : while( nX > rInf.GetLineStart() &&
444 24950 : ( CH_TXTATR_BREAKWORD != cFldChr || nX > rInf.GetIdx() ) &&
445 14908 : ( CH_BLANK == rInf.GetChar( --nX ) ||
446 5002 : CH_FULL_BLANK == rInf.GetChar( nX ) ) )
447 4904 : nBreakPos = nX;
448 : }
449 51899 : if( nBreakPos > rInf.GetIdx() )
450 47415 : nPorLen = nBreakPos - rInf.GetIdx();
451 : }
452 : else
453 : {
454 : // no line break found, setting nBreakPos to COMPLETE_STRING
455 : // causes a break cut
456 2128 : nBreakPos = COMPLETE_STRING;
457 : OSL_ENSURE( nCutPos >= rInf.GetIdx(), "Deep cut" );
458 2128 : nPorLen = nCutPos - rInf.GetIdx();
459 : }
460 :
461 54027 : if( nBreakPos > nCutPos && nBreakPos != COMPLETE_STRING )
462 : {
463 0 : const sal_Int32 nHangingLen = nBreakPos - nCutPos;
464 : SwPosSize aTmpSize = rInf.GetTxtSize( &rSI, nCutPos,
465 0 : nHangingLen, 0 );
466 0 : aTmpSize.Width(aTmpSize.Width() + nLeftRightBorderSpace);
467 : OSL_ENSURE( !pHanging, "A hanging portion is hanging around" );
468 0 : pHanging = new SwHangingPortion( aTmpSize );
469 0 : pHanging->SetLen( nHangingLen );
470 0 : nPorLen = nCutPos - rInf.GetIdx();
471 : }
472 :
473 : // If we expanded a field, we must repair the original string.
474 : // In case we do not trigger an underflow, we correct the nBreakPos
475 : // value, but we cannot correct the nBreakStart value:
476 : // If we have found a hyphenation position, nBreakStart can lie before
477 : // the field.
478 54027 : if ( CH_TXTATR_BREAKWORD == cFldChr )
479 : {
480 42 : if ( nBreakPos < rInf.GetIdx() )
481 12 : nBreakPos = nOldIdx - 1;
482 30 : else if ( COMPLETE_STRING != nBreakPos )
483 : {
484 : OSL_ENSURE( nBreakPos >= nFieldDiff, "I've got field trouble!" );
485 30 : nBreakPos = nBreakPos - nFieldDiff;
486 : }
487 :
488 : OSL_ENSURE( nCutPos >= rInf.GetIdx() && nCutPos >= nFieldDiff,
489 : "I've got field trouble, part2!" );
490 42 : nCutPos = nCutPos - nFieldDiff;
491 :
492 42 : OUString& rOldTxt = const_cast<OUString&> (rInf.GetTxt());
493 42 : OUString aReplacement( cFldChr );
494 42 : rOldTxt = rOldTxt.replaceAt( nOldIdx - 1, nFieldDiff + 1, aReplacement);
495 42 : rInf.SetIdx( nOldIdx );
496 :
497 : #if OSL_DEBUG_LEVEL > 0
498 : OSL_ENSURE( aDebugString == rInf.GetTxt(),
499 : "Somebody, somebody, somebody put something in my string" );
500 : #endif
501 54027 : }
502 : }
503 :
504 56448 : if( nPorLen )
505 : {
506 : rInf.GetTxtSize( &rSI, rInf.GetIdx(), nPorLen,
507 50418 : nMaxComp, nBreakWidth, nMaxSizeDiff );
508 :
509 : // save maximum width for later use
510 50418 : if ( nMaxSizeDiff )
511 0 : rInf.SetMaxWidthDiff( &rPor, nMaxSizeDiff );
512 :
513 50418 : nBreakWidth += nItalic + nLeftRightBorderSpace;
514 : }
515 : else
516 6030 : nBreakWidth = 0;
517 :
518 56448 : if( pHanging )
519 0 : nBreakPos = nCutPos;
520 :
521 56448 : return false;
522 : }
523 :
524 : // returns true if word at position nPos has a diffenrent spelling
525 : // if hyphenated at this position (old german spelling)
526 0 : bool SwTxtGuess::AlternativeSpelling( const SwTxtFormatInfo &rInf,
527 : const sal_Int32 nPos )
528 : {
529 : // get word boundaries
530 : Boundary aBound =
531 0 : g_pBreakIt->GetBreakIter()->getWordBoundary( rInf.GetTxt(), nPos,
532 0 : g_pBreakIt->GetLocale( rInf.GetFont()->GetLanguage() ),
533 0 : WordType::DICTIONARY_WORD, true );
534 0 : nBreakStart = aBound.startPos;
535 0 : sal_Int32 nWordLen = aBound.endPos - nBreakStart;
536 :
537 : // if everything else fails, we want to cut at nPos
538 0 : nCutPos = nPos;
539 :
540 0 : OUString aTxt( rInf.GetTxt().copy( nBreakStart, nWordLen ) );
541 :
542 : // check, if word has alternative spelling
543 0 : Reference< XHyphenator > xHyph( ::GetHyphenator() );
544 : OSL_ENSURE( xHyph.is(), "Hyphenator is missing");
545 : //! subtract 1 since the UNO-interface is 0 based
546 0 : xHyphWord = xHyph->queryAlternativeSpelling( aTxt,
547 0 : g_pBreakIt->GetLocale( rInf.GetFont()->GetLanguage() ),
548 0 : nPos - nBreakStart, rInf.GetHyphValues() );
549 0 : return xHyphWord.is() && xHyphWord->isAlternativeSpelling();
550 270 : }
551 :
552 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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