xref: /trunk/main/sw/source/core/text/porlay.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 #ifndef _PORLAY_HXX
28 #define _PORLAY_HXX
29 
30 #include <tools/string.hxx>
31 #include <tools/fract.hxx>
32 #include <scriptinfo.hxx>
33 
34 #include "swrect.hxx"   // SwRepaint
35 #include "portxt.hxx"
36 #include "swfont.hxx"
37 
38 #include <vector>
39 
40 class SwMarginPortion;
41 class SwDropPortion;
42 class SvStream;
43 class SwTxtFormatter;
44 
45 /*************************************************************************
46  *                      class SwCharRange
47  *************************************************************************/
48 
49 class SwCharRange
50 {
51     xub_StrLen nStart, nLen;
52 public:
53     inline SwCharRange( const xub_StrLen nInitStart = 0,
54         const xub_StrLen nInitLen = 0): nStart( nInitStart ), nLen(nInitLen) {}
55     inline xub_StrLen &Start() { return nStart; }
56     inline const xub_StrLen &Start() const { return nStart; }
57     inline void LeftMove( xub_StrLen nNew )
58             { if ( nNew < nStart ) { nLen += nStart-nNew; nStart = nNew; } }
59     inline xub_StrLen End() const
60                 { return nStart + nLen; }
61     inline xub_StrLen &Len() { return nLen; }
62     inline const xub_StrLen &Len() const { return nLen; }
63     inline sal_Bool operator<(const SwCharRange &rRange) const
64                 { return nStart < rRange.nStart; }
65     inline sal_Bool operator>(const SwCharRange &rRange) const
66                 { return nStart + nLen > rRange.nStart + rRange.nLen; }
67     inline sal_Bool operator!=(const SwCharRange &rRange) const
68                 { return *this < rRange || *this > rRange; }
69     SwCharRange &operator+=(const SwCharRange &rRange);
70 };
71 
72 /*************************************************************************
73  *                      class SwRepaint
74  *************************************************************************/
75 
76 // SwRepaint ist ein dokumentglobales SwRect mit einem nOfst der angibt,
77 // ab wo in der ersten Zeile gepaintet werden soll
78 // und einem nRightOfst, der den rechten Rand bestimmt
79 class SwRepaint : public SwRect
80 {
81     SwTwips nOfst;
82     SwTwips nRightOfst;
83 public:
84     SwRepaint() : SwRect(), nOfst( 0 ), nRightOfst( 0 ) {}
85     SwRepaint( const SwRepaint& rRep ) : SwRect( rRep ), nOfst( rRep.nOfst ),
86         nRightOfst( rRep.nRightOfst ) {}
87 
88     SwTwips GetOfst() const { return nOfst; }
89     void   SetOfst( const SwTwips nNew ) { nOfst = nNew; }
90     SwTwips GetRightOfst() const { return nRightOfst; }
91     void   SetRightOfst( const SwTwips nNew ) { nRightOfst = nNew; }
92 };
93 
94 /*************************************************************************
95  *                      class SwLineLayout
96  *************************************************************************/
97 
98 class SwLineLayout : public SwTxtPortion
99 {
100 private:
101     SwLineLayout *pNext;                // Die naechste Zeile.
102     std::vector<long>* pLLSpaceAdd;     // Used for justified alignment.
103     SvUShorts* pKanaComp;               // Used for Kana compression.
104     KSHORT nRealHeight;                 // Die aus Zeilenabstand/Register resultierende Hoehe.
105     sal_Bool bFormatAdj : 1;
106     sal_Bool bDummy     : 1;
107     sal_Bool bFntChg    : 1;
108     sal_Bool bEndHyph   : 1;
109     sal_Bool bMidHyph   : 1;
110     sal_Bool bTab       : 1;
111     sal_Bool bFly       : 1;
112     sal_Bool bRest      : 1;
113     sal_Bool bBlinking  : 1;
114     sal_Bool bClipping  : 1; // Clipping erforderlich wg. exakter Zeilenhoehe
115     sal_Bool bContent   : 1; // enthaelt Text, fuer Zeilennumerierung
116     sal_Bool bRedline   : 1; // enthaelt Redlining
117     sal_Bool bForcedLeftMargin : 1; // vom Fly verschobener linker Einzug
118     sal_Bool bHanging : 1; // contents a hanging portion in the margin
119     sal_Bool bUnderscore : 1;
120 
121     SwTwips _GetHangingMargin() const;
122 
123 public:
124     // von SwLinePortion
125     virtual SwLinePortion *Insert( SwLinePortion *pPortion );
126     virtual SwLinePortion *Append( SwLinePortion *pPortion );
127     inline SwLinePortion *GetFirstPortion() const;
128 
129     // Flags
130     inline void ResetFlags();
131     inline void SetFormatAdj( const sal_Bool bNew ) { bFormatAdj = bNew; }
132     inline sal_Bool IsFormatAdj() const { return bFormatAdj; }
133     inline void SetFntChg( const sal_Bool bNew ) { bFntChg = bNew; }
134     inline sal_Bool IsFntChg() const { return bFntChg; }
135     inline void SetEndHyph( const sal_Bool bNew ) { bEndHyph = bNew; }
136     inline sal_Bool IsEndHyph() const { return bEndHyph; }
137     inline void SetMidHyph( const sal_Bool bNew ) { bMidHyph = bNew; }
138     inline sal_Bool IsMidHyph() const { return bMidHyph; }
139     inline void SetTab( const sal_Bool bNew ) { bTab = bNew; }
140     inline sal_Bool IsTab() const { return bTab; }
141     inline void SetFly( const sal_Bool bNew ) { bFly = bNew; }
142     inline sal_Bool IsFly() const { return bFly; }
143     inline void SetRest( const sal_Bool bNew ) { bRest = bNew; }
144     inline sal_Bool IsRest() const { return bRest; }
145     inline void SetBlinking( const sal_Bool bNew = sal_True ) { bBlinking = bNew; }
146     inline sal_Bool IsBlinking() const { return bBlinking; }
147     inline void SetCntnt( const sal_Bool bNew = sal_True ) { bContent = bNew; }
148     inline sal_Bool HasCntnt() const { return bContent; }
149     inline void SetRedline( const sal_Bool bNew = sal_True ) { bRedline = bNew; }
150     inline sal_Bool HasRedline() const { return bRedline; }
151     inline void SetForcedLeftMargin( const sal_Bool bNew = sal_True ) { bForcedLeftMargin = bNew; }
152     inline sal_Bool HasForcedLeftMargin() const { return bForcedLeftMargin; }
153     inline void SetHanging( const sal_Bool bNew = sal_True ) { bHanging = bNew; }
154     inline sal_Bool IsHanging() const { return bHanging; }
155     inline void SetUnderscore( const sal_Bool bNew = sal_True ) { bUnderscore = bNew; }
156     inline sal_Bool HasUnderscore() const { return bUnderscore; }
157 
158     // Beruecksichtigung von Dummyleerzeilen
159     // 4147, 8221:
160     inline void SetDummy( const sal_Bool bNew ) { bDummy = bNew; }
161     inline sal_Bool IsDummy() const { return bDummy; }
162 
163     inline void SetClipping( const sal_Bool bNew ) { bClipping = bNew; }
164     inline sal_Bool IsClipping() const { return bClipping; }
165 
166     inline SwLineLayout();
167     virtual ~SwLineLayout();
168 
169     inline SwLineLayout *GetNext() { return pNext; }
170     inline const SwLineLayout *GetNext() const { return pNext; }
171     inline void SetNext( SwLineLayout *pNew ) { pNext = pNew; }
172 
173     void Init( SwLinePortion *pNextPortion = NULL);
174 
175     // Sammelt die Daten fuer die Zeile.
176     void CalcLine( SwTxtFormatter &rLine, SwTxtFormatInfo &rInf );
177 
178     inline void SetRealHeight( KSHORT nNew ) { nRealHeight = nNew; }
179     inline KSHORT GetRealHeight() const { return nRealHeight; }
180 
181     // Erstellt bei kurzen Zeilen die Glue-Kette.
182     SwMarginPortion *CalcLeftMargin();
183 
184     inline SwTwips GetHangingMargin() const
185         { return _GetHangingMargin(); }
186 
187     // fuer die Sonderbehandlung bei leeren Zeilen
188     virtual sal_Bool Format( SwTxtFormatInfo &rInf );
189 
190     //
191     // STUFF FOR JUSTIFIED ALIGNMENT
192     //
193     inline sal_Bool IsSpaceAdd() { return pLLSpaceAdd != NULL; }
194     void InitSpaceAdd();     // Creates pLLSpaceAdd if necessary
195     void CreateSpaceAdd( const long nInit = 0 );
196     inline void FinishSpaceAdd() { delete pLLSpaceAdd; pLLSpaceAdd = NULL; }
197     inline sal_uInt16 GetLLSpaceAddCount() const { return sal::static_int_cast< sal_uInt16 >(pLLSpaceAdd->size()); }
198     inline void SetLLSpaceAdd( long nNew, sal_uInt16 nIdx )
199     {
200         if ( nIdx == GetLLSpaceAddCount() )
201             pLLSpaceAdd->push_back( nNew );
202         else
203             (*pLLSpaceAdd)[ nIdx ] = nNew;
204     }
205     inline long GetLLSpaceAdd( sal_uInt16 nIdx ) { return (*pLLSpaceAdd)[ nIdx ]; }
206     inline void RemoveFirstLLSpaceAdd() { pLLSpaceAdd->erase( pLLSpaceAdd->begin() ); }
207     inline std::vector<long>* GetpLLSpaceAdd() const { return pLLSpaceAdd; }
208 
209     //
210     // STUFF FOR KANA COMPRESSION
211     //
212     inline void SetKanaComp( SvUShorts* pNew ){ pKanaComp = pNew; }
213     inline void FinishKanaComp() { delete pKanaComp; pKanaComp = NULL; }
214     inline SvUShorts* GetpKanaComp() const { return pKanaComp; }
215     inline SvUShorts& GetKanaComp() { return *pKanaComp; }
216 
217     /** determine ascent and descent for positioning of as-character anchored
218         object
219 
220         OD 07.01.2004 #i11859# - previously local method <lcl_MaxAscDescent>
221         Method calculates maximum ascents and descents of the line layout.
222         One value considering as-character anchored objects, one without these
223         objects.
224         Portions for other anchored objects aren't considered.
225         OD 2005-05-20 #i47162# - add optional parameter <_bNoFlyCntPorAndLinePor>
226         to control, if the fly content portions and line portion are considered.
227 
228         @param _orAscent
229         output parameter - maximum ascent without as-character anchored objects
230 
231         @param _orDescent
232         output parameter - maximum descent without as-character anchored objects
233 
234         @param _orObjAscent
235         output parameter - maximum ascent with as-character anchored objects
236 
237         @param _orObjDescent
238         output parameter - maximum descent with as-character anchored objects
239 
240         @param _pDontConsiderPortion
241         input parameter - portion, which isn't considered for calculating
242         <_orObjAscent> and <_orObjDescent>, if it isn't a portion for a
243         as-character anchored object or it isn't as high as the line.
244 
245         @param _bNoFlyCntPorAndLinePor
246         optional input parameter - boolean, indicating that fly content portions
247         and the line portion are considered or not.
248 
249         @author OD
250     */
251     void MaxAscentDescent( SwTwips& _orAscent,
252                            SwTwips& _orDescent,
253                            SwTwips& _orObjAscent,
254                            SwTwips& _orObjDescent,
255                            const SwLinePortion* _pDontConsiderPortion = NULL,
256                            const bool _bNoFlyCntPorAndLinePor = false ) const;
257 
258 #ifdef DBG_UTIL
259     void DebugPortions( SvStream &rOs, const XubString &rTxt,
260                         const xub_StrLen nStart ); //$ ostream
261 #endif
262 
263     OUTPUT_OPERATOR
264     DECL_FIXEDMEMPOOL_NEWDEL(SwLineLayout)
265 };
266 
267 class SwParaPortion : public SwLineLayout
268 {
269     // neu zu paintender Bereich
270     SwRepaint aRepaint;
271     // neu zu formatierender Bereich
272     SwCharRange aReformat;
273     SwScriptInfo aScriptInfo;
274 //   Fraction aZoom;
275     long nDelta;
276 
277     // Wenn ein SwTxtFrm gelocked ist, werden keine Veraenderungen an den
278     // Formatierungsdaten (unter pLine) vorgenommen (vgl. ORPHANS)
279     sal_Bool bFlys          : 1; // Ueberlappen Flys ?
280     sal_Bool bPrep          : 1; // PREP_*
281     sal_Bool bPrepWidows    : 1; // PREP_WIDOWS
282     sal_Bool bPrepAdjust    : 1; // PREP_ADJUST_FRM
283     sal_Bool bPrepMustFit   : 1; // PREP_MUST_FIT
284     sal_Bool bFollowField   : 1; // Es steht noch ein Feldrest fuer den Follow an.
285 
286     sal_Bool bFixLineHeight : 1; // Feste Zeilenhoehe
287     sal_Bool bFtnNum    : 1; // contents a footnotenumberportion
288     sal_Bool bMargin    : 1; // contents a hanging punctuation in the margin
289 
290     sal_Bool bFlag00    : 1; //
291     sal_Bool bFlag11    : 1; //
292     sal_Bool bFlag12    : 1; //
293     sal_Bool bFlag13    : 1; //
294     sal_Bool bFlag14    : 1; //
295     sal_Bool bFlag15    : 1; //
296     sal_Bool bFlag16    : 1; //
297 
298 public:
299     SwParaPortion();
300     virtual ~SwParaPortion();
301 
302     // setzt alle Formatinformationen zurueck (ausser bFlys wg. 9916)
303     inline void FormatReset();
304 
305     // Setzt die Flags zurueck
306     inline void ResetPreps();
307 
308     // Get/Set-Methoden
309     inline SwRepaint *GetRepaint() { return &aRepaint; }
310     inline const SwRepaint *GetRepaint() const { return &aRepaint; }
311     inline SwCharRange *GetReformat() { return &aReformat; }
312     inline const SwCharRange *GetReformat() const { return &aReformat; }
313     inline long *GetDelta() { return &nDelta; }
314     inline const long *GetDelta() const { return &nDelta; }
315     inline SwScriptInfo& GetScriptInfo() { return aScriptInfo; }
316     inline const SwScriptInfo& GetScriptInfo() const { return aScriptInfo; }
317 
318     // fuer SwTxtFrm::Format: liefert die aktuelle Laenge des Absatzes
319     xub_StrLen GetParLen() const;
320 
321     // fuer Prepare()
322     sal_Bool UpdateQuoVadis( const XubString &rQuo );
323 
324     // Flags
325     inline void SetFly( const sal_Bool bNew = sal_True ) { bFlys = bNew; }
326     inline sal_Bool HasFly() const { return bFlys; }
327 
328     // Preps
329     inline void SetPrep( const sal_Bool bNew = sal_True ) { bPrep = bNew; }
330     inline sal_Bool IsPrep() const { return bPrep; }
331     inline void SetPrepWidows( const sal_Bool bNew = sal_True ) { bPrepWidows = bNew; }
332     inline sal_Bool IsPrepWidows() const { return bPrepWidows; }
333     inline void SetPrepMustFit( const sal_Bool bNew = sal_True ) { bPrepMustFit = bNew; }
334     inline sal_Bool IsPrepMustFit() const { return bPrepMustFit; }
335     inline void SetPrepAdjust( const sal_Bool bNew = sal_True ) { bPrepAdjust = bNew; }
336     inline sal_Bool IsPrepAdjust() const { return bPrepAdjust; }
337     inline void SetFollowField( const sal_Bool bNew = sal_True ) { bFollowField = bNew; }
338     inline sal_Bool IsFollowField() const { return bFollowField; }
339     inline void SetFixLineHeight( const sal_Bool bNew = sal_True ) { bFixLineHeight = bNew; }
340     inline sal_Bool  IsFixLineHeight() const { return bFixLineHeight; }
341 
342     inline void SetFtnNum( const sal_Bool bNew = sal_True ) { bFtnNum = bNew; }
343     inline sal_Bool  IsFtnNum() const { return bFtnNum; }
344     inline void SetMargin( const sal_Bool bNew = sal_True ) { bMargin = bNew; }
345     inline sal_Bool  IsMargin() const { return bMargin; }
346     inline void SetFlag00( const sal_Bool bNew = sal_True ) { bFlag00 = bNew; }
347     inline sal_Bool  IsFlag00() const { return bFlag00; }
348     inline void SetFlag11( const sal_Bool bNew = sal_True ) { bFlag11 = bNew; }
349     inline sal_Bool  IsFlag11() const { return bFlag11; }
350     inline void SetFlag12( const sal_Bool bNew = sal_True ) { bFlag12 = bNew; }
351     inline sal_Bool  IsFlag12() const { return bFlag12; }
352     inline void SetFlag13( const sal_Bool bNew = sal_True ) { bFlag13 = bNew; }
353     inline sal_Bool  IsFlag13() const { return bFlag13; }
354     inline void SetFlag14( const sal_Bool bNew = sal_True ) { bFlag14 = bNew; }
355     inline sal_Bool  IsFlag14() const { return bFlag14; }
356     inline void SetFlag15( const sal_Bool bNew = sal_True ) { bFlag15 = bNew; }
357     inline sal_Bool  IsFlag15() const { return bFlag15; }
358     inline void SetFlag16( const sal_Bool bNew = sal_True ) { bFlag16 = bNew; }
359     inline sal_Bool  IsFlag16() const { return bFlag16; }
360 
361     // schneller, hoeher, weiter: Read/Write-Methoden fuer den SWG-Filter
362     SvStream &ReadSwg ( SvStream& rStream ); //$ istream
363     SvStream &WriteSwg( SvStream& rStream ); //$ ostream
364 
365     // nErgo in der QuoVadisPortion setzen
366     void SetErgoSumNum( const XubString &rErgo );
367 
368     const SwDropPortion *FindDropPortion() const;
369 
370     OUTPUT_OPERATOR
371     DECL_FIXEDMEMPOOL_NEWDEL(SwParaPortion)
372 };
373 
374 /*************************************************************************
375  *                      Inline-Implementierungen
376  *************************************************************************/
377 
378 inline void SwLineLayout::ResetFlags()
379 {
380     bFormatAdj = bDummy = bFntChg = bTab = bEndHyph = bMidHyph = bFly
381     = bRest = bBlinking = bClipping = bContent = bRedline
382     = bForcedLeftMargin = bHanging = sal_False;
383 }
384 
385 inline SwLineLayout::SwLineLayout()
386     : pNext( 0 ), pLLSpaceAdd( 0 ), pKanaComp( 0 ), nRealHeight( 0 ),
387       bUnderscore( sal_False )
388 {
389     ResetFlags();
390     SetWhichPor( POR_LAY );
391 }
392 
393 inline void SwParaPortion::ResetPreps()
394 {
395     bPrep = bPrepWidows = bPrepAdjust = bPrepMustFit = sal_False;
396 }
397 
398 inline void SwParaPortion::FormatReset()
399 {
400     nDelta = 0;
401     aReformat = SwCharRange( 0, STRING_LEN );
402 //  AMA 9916: bFlys muss in SwTxtFrm::_Format() erhalten bleiben, damit
403 //  leere Absaetze, die Rahmen ohne Umfluss ausweichen mussten, sich
404 //  neu formatieren, wenn der Rahmen aus dem Bereich verschwindet.
405 //  bFlys = sal_False;
406     ResetPreps();
407     bFollowField = bFixLineHeight = bMargin = sal_False;
408 }
409 
410 #ifdef UNX
411 // C30 ist mit dem ternaeren Ausdruck ueberfordert.
412 inline SwLinePortion *SwLineLayout::GetFirstPortion() const
413 {
414     SwLinePortion *pTmp = pPortion;
415     if ( !pPortion )
416         pTmp = (SwLinePortion*)this;
417     return( pTmp );
418 }
419 #else
420 inline SwLinePortion *SwLineLayout::GetFirstPortion() const
421 { return( pPortion ? pPortion : (SwLinePortion*)this ); }
422 #endif
423 
424 CLASSIO( SwLineLayout )
425 CLASSIO( SwParaPortion )
426 
427 #endif
428