1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/



#include <vcl/outdev.hxx>
#include <SwPortionHandler.hxx>

#include "porlin.hxx"
#include "inftxt.hxx"
#include "portxt.hxx"
#include "pormulti.hxx"
#include "porglue.hxx"
#include "blink.hxx"
#if OSL_DEBUG_LEVEL > 0

sal_Bool ChkChain( SwLinePortion *pStart )
{
    SwLinePortion *pPor = pStart->GetPortion();
    MSHORT nCount = 0;
    while( pPor )
    {
        ++nCount;
        OSL_ENSURE( nCount < 200 && pPor != pStart,
                "ChkChain(): lost in chains" );
        if( nCount >= 200 || pPor == pStart )
        {
            // der Lebensretter
            pPor = pStart->GetPortion();
            pStart->SetPortion(0);
            pPor->Truncate();
            pStart->SetPortion( pPor );
            return sal_False;
        }
        pPor = pPor->GetPortion();
    }
    return sal_True;
}
#endif


SwLinePortion::~SwLinePortion()
{
    if( pBlink )
        pBlink->Delete( this );
}

SwLinePortion *SwLinePortion::Compress()
{
    return GetLen() || Width() ? this : 0;
}

KSHORT SwLinePortion::GetViewWidth( const SwTxtSizeInfo & ) const
{
    return 0;
}

/*************************************************************************
 *               SwLinePortion::SwLinePortion( )
 *************************************************************************/

SwLinePortion::SwLinePortion( ) :
    pPortion( NULL ),
    nLineLength( 0 ),
    nAscent( 0 )
{
}

/*************************************************************************
 *               SwLinePortion::PrePaint()
 *************************************************************************/

void SwLinePortion::PrePaint( const SwTxtPaintInfo& rInf,
                              const SwLinePortion* pLast ) const
{
    OSL_ENSURE( rInf.OnWin(), "SwLinePortion::PrePaint: don't prepaint on a printer");
    OSL_ENSURE( !Width(), "SwLinePortion::PrePaint: For Width()==0 only!");

    const KSHORT nViewWidth = GetViewWidth( rInf );

    if( ! nViewWidth )
        return;

    const KSHORT nHalfView = nViewWidth / 2;
    sal_uInt16 nLastWidth = pLast->Width();

    if ( pLast->InSpaceGrp() && rInf.GetSpaceAdd() )
        nLastWidth = nLastWidth + (sal_uInt16)pLast->CalcSpacing( rInf.GetSpaceAdd(), rInf );

    KSHORT nPos;
    SwTxtPaintInfo aInf( rInf );

    const sal_Bool bBidiPor = ( rInf.GetTxtFrm()->IsRightToLeft() ) !=
                          ( 0 != ( TEXT_LAYOUT_BIDI_RTL & rInf.GetOut()->GetLayoutMode() ) );

    sal_uInt16 nDir = bBidiPor ?
                  1800 :
                  rInf.GetFont()->GetOrientation( rInf.GetTxtFrm()->IsVertical() );

    switch ( nDir )
    {
    case 0 :
        nPos = KSHORT( rInf.X() );
        if( nLastWidth > nHalfView )
            nPos += nLastWidth - nHalfView;
        aInf.X( nPos );
        break;
    case 900 :
        nPos = KSHORT( rInf.Y() );
        if( nLastWidth > nHalfView )
            nPos -= nLastWidth + nHalfView;
        aInf.Y( nPos );
        break;
    case 1800 :
        nPos = KSHORT( rInf.X() );
        if( nLastWidth > nHalfView )
            nPos -= nLastWidth + nHalfView;
        aInf.X( nPos );
        break;
    case 2700 :
        nPos = KSHORT( rInf.Y() );
        if( nLastWidth > nHalfView )
            nPos += nLastWidth - nHalfView;
        aInf.Y( nPos );
        break;
    }

    SwLinePortion *pThis = (SwLinePortion*)this;<--- C-style pointer casting
    pThis->Width( nViewWidth );
    Paint( aInf );
    pThis->Width(0);
}

/*************************************************************************
 *                  SwLinePortion::CalcTxtSize()
 *************************************************************************/

void SwLinePortion::CalcTxtSize( const SwTxtSizeInfo &rInf )
{
    if( GetLen() == rInf.GetLen()  )
        *((SwPosSize*)this) = GetTxtSize( rInf );<--- C-style pointer casting
    else
    {
        SwTxtSizeInfo aInf( rInf );
        aInf.SetLen( GetLen() );
        *((SwPosSize*)this) = GetTxtSize( aInf );<--- C-style pointer casting
    }
}

/*************************************************************************
 *                  SwLinePortion::Truncate()
 *
 * Es werden alle nachfolgenden Portions geloescht.
 *************************************************************************/

void SwLinePortion::_Truncate()
{
    SwLinePortion *pPos = pPortion;
    do
    { OSL_ENSURE( pPos != this, "SwLinePortion::Truncate: loop" );
        SwLinePortion *pLast = pPos;
        pPos = pPos->GetPortion();
        pLast->SetPortion( 0 );
        delete pLast;

    } while( pPos );

    pPortion = 0;
}

/*************************************************************************
 *                virtual SwLinePortion::Insert()
 *
 * Es wird immer hinter uns eingefuegt.
 *************************************************************************/

SwLinePortion *SwLinePortion::Insert( SwLinePortion *pIns )
{
    pIns->FindLastPortion()->SetPortion( pPortion );
    SetPortion( pIns );
#if OSL_DEBUG_LEVEL > 0
    ChkChain( this );
#endif
    return pIns;
}

/*************************************************************************
 *                  SwLinePortion::FindLastPortion()
 *************************************************************************/

SwLinePortion *SwLinePortion::FindLastPortion()
{
    SwLinePortion *pPos = this;
    // An das Ende wandern und pLinPortion an den letzten haengen ...
    while( pPos->GetPortion() )
    {
        pPos = pPos->GetPortion();
    }
    return pPos;
}

/*************************************************************************
 *                virtual SwLinePortion::Append()
 *************************************************************************/

SwLinePortion *SwLinePortion::Append( SwLinePortion *pIns )
{
    SwLinePortion *pPos = FindLastPortion();
    pPos->SetPortion( pIns );
    pIns->SetPortion( 0 );
#if OSL_DEBUG_LEVEL > 0
    ChkChain( this );
#endif
    return pIns;
}

/*************************************************************************
 *                virtual SwLinePortion::Cut()
 *************************************************************************/

SwLinePortion *SwLinePortion::Cut( SwLinePortion *pVictim )
{
    SwLinePortion *pPrev = pVictim->FindPrevPortion( this );
    OSL_ENSURE( pPrev, "SwLinePortion::Cut(): can't cut" );
    pPrev->SetPortion( pVictim->GetPortion() );
    pVictim->SetPortion(0);
    return pVictim;
}

/*************************************************************************
 *                SwLinePortion::FindPrevPortion()
 *************************************************************************/

SwLinePortion *SwLinePortion::FindPrevPortion( const SwLinePortion *pRoot )
{
    OSL_ENSURE( pRoot != this, "SwLinePortion::FindPrevPortion(): invalid root" );
    SwLinePortion *pPos = (SwLinePortion*)pRoot;<--- C-style pointer casting
    while( pPos->GetPortion() && pPos->GetPortion() != this )
    {
        pPos = pPos->GetPortion();
    }
    OSL_ENSURE( pPos->GetPortion(),
            "SwLinePortion::FindPrevPortion: blowing in the wind");
    return pPos;
}

/*************************************************************************
 *                virtual SwLinePortion::GetCrsrOfst()
 *************************************************************************/

xub_StrLen SwLinePortion::GetCrsrOfst( const KSHORT nOfst ) const
{
    if( nOfst > ( PrtWidth() / 2 ) )
        return GetLen();
    else
        return 0;
}

/*************************************************************************
 *                virtual SwLinePortion::GetTxtSize()
 *************************************************************************/

SwPosSize SwLinePortion::GetTxtSize( const SwTxtSizeInfo & ) const
{
    OSL_ENSURE( !this, "SwLinePortion::GetTxtSize: don't ask me about sizes, "
                   "I'm only a stupid SwLinePortion" );
    return SwPosSize();
}

/*************************************************************************
 *                 virtual SwLinePortion::Format()
 *************************************************************************/

sal_Bool SwLinePortion::Format( SwTxtFormatInfo &rInf )
{
    if( rInf.X() > rInf.Width() )
    {
        Truncate();
        rInf.SetUnderFlow( this );
        return sal_True;
    }

    const SwLinePortion *pLast = rInf.GetLast();
    Height( pLast->Height() );
    SetAscent( pLast->GetAscent() );
    const KSHORT nNewWidth = static_cast<sal_uInt16>(rInf.X() + PrtWidth());
    // Nur Portions mit echter Breite koennen ein sal_True zurueckliefern
    // Notizen beispielsweise setzen niemals bFull==sal_True
    if( rInf.Width() <= nNewWidth && PrtWidth() && ! IsKernPortion() )
    {
        Truncate();
        if( nNewWidth > rInf.Width() )
            PrtWidth( nNewWidth - rInf.Width() );
        rInf.GetLast()->FormatEOL( rInf );
        return sal_True;
    }
    return sal_False;
}

/*************************************************************************
 *                 virtual SwLinePortion::FormatEOL()
 *************************************************************************/

// Format end of line

void SwLinePortion::FormatEOL( SwTxtFormatInfo & )
{ }

/*************************************************************************
 *                      SwLinePortion::Move()
 *************************************************************************/

void SwLinePortion::Move( SwTxtPaintInfo &rInf )
{
    sal_Bool bB2T = rInf.GetDirection() == DIR_BOTTOM2TOP;
    const sal_Bool bFrmDir = rInf.GetTxtFrm()->IsRightToLeft();
    sal_Bool bCounterDir = ( ! bFrmDir && DIR_RIGHT2LEFT == rInf.GetDirection() ) ||
                       (   bFrmDir && DIR_LEFT2RIGHT == rInf.GetDirection() );

    if ( InSpaceGrp() && rInf.GetSpaceAdd() )
    {
        SwTwips nTmp = PrtWidth() + CalcSpacing( rInf.GetSpaceAdd(), rInf );
        if( rInf.IsRotated() )
            rInf.Y( rInf.Y() + ( bB2T ? -nTmp : nTmp ) );
        else if ( bCounterDir )
            rInf.X( rInf.X() - nTmp );
        else
            rInf.X( rInf.X() + nTmp );
    }
    else
    {
        if( InFixMargGrp() && !IsMarginPortion() )
        {
            rInf.IncSpaceIdx();
            rInf.IncKanaIdx();
        }
        if( rInf.IsRotated() )
            rInf.Y( rInf.Y() + ( bB2T ? -PrtWidth() : PrtWidth() ) );
        else if ( bCounterDir )
            rInf.X( rInf.X() - PrtWidth() );
        else
            rInf.X( rInf.X() + PrtWidth() );
    }
    if( IsMultiPortion() && ((SwMultiPortion*)this)->HasTabulator() )<--- C-style pointer casting
        rInf.IncSpaceIdx();

    rInf.SetIdx( rInf.GetIdx() + GetLen() );
}

/*************************************************************************
 *              virtual SwLinePortion::CalcSpacing()
 *************************************************************************/

long SwLinePortion::CalcSpacing( long , const SwTxtSizeInfo & ) const
{
    return 0;
}

/*************************************************************************
 *              virtual SwLinePortion::GetExpTxt()
 *************************************************************************/

sal_Bool SwLinePortion::GetExpTxt( const SwTxtSizeInfo &, XubString & ) const
{
    return sal_False;
}

/*************************************************************************
 *              virtual SwLinePortion::HandlePortion()
 *************************************************************************/

void SwLinePortion::HandlePortion( SwPortionHandler& rPH ) const
{
    String aString;
    rPH.Special( GetLen(), aString, GetWhichPor() );
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */