qtextobject.cpp

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6-
7-
8QTextObject::QTextObject(QTextDocument *doc)-
9 : QObject(*new QTextObjectPrivate(doc), doc)-
10{-
11}-
12-
13-
14-
15-
16-
17-
18QTextObject::QTextObject(QTextObjectPrivate &p, QTextDocument *doc)-
19 : QObject(p, doc)-
20{-
21}-
22-
23-
24-
25-
26-
27-
28-
29QTextObject::~QTextObject()-
30{-
31}-
32-
33-
34-
35-
36-
37-
38QTextFormat QTextObject::format() const-
39{-
40 const QTextObjectPrivate * const d = d_func();-
41 return d->pieceTable->formatCollection()->objectFormat(d->objectIndex);-
42}-
43-
44-
45-
46-
47-
48-
49-
50int QTextObject::formatIndex() const-
51{-
52 const QTextObjectPrivate * const d = d_func();-
53 return d->pieceTable->formatCollection()->objectFormatIndex(d->objectIndex);-
54}-
55-
56-
57-
58-
59-
60-
61-
62void QTextObject::setFormat(const QTextFormat &format)-
63{-
64 QTextObjectPrivate * const d = d_func();-
65 int idx = d->pieceTable->formatCollection()->indexForFormat(format);-
66 d->pieceTable->changeObjectFormat(this, idx);-
67}-
68-
69-
70-
71-
72-
73int QTextObject::objectIndex() const-
74{-
75 const QTextObjectPrivate * const d = d_func();-
76 return d->objectIndex;-
77}-
78-
79-
80-
81-
82-
83-
84QTextDocument *QTextObject::document() const-
85{-
86 return static_cast<QTextDocument *>(parent());-
87}-
88-
89-
90-
91-
92QTextDocumentPrivate *QTextObject::docHandle() const-
93{-
94 return static_cast<const QTextDocument *>(parent())->docHandle();-
95}-
96void QTextBlockGroupPrivate::markBlocksDirty()-
97{-
98 for (int i = 0; i < blocks.count(); ++i) {-
99 const QTextBlock &block = blocks.at(i);-
100 pieceTable->documentChange(block.position(), block.length());-
101 }-
102}-
103QTextBlockGroup::QTextBlockGroup(QTextDocument *doc)-
104 : QTextObject(*new QTextBlockGroupPrivate(doc), doc)-
105{-
106}-
107-
108-
109-
110-
111QTextBlockGroup::QTextBlockGroup(QTextBlockGroupPrivate &p, QTextDocument *doc)-
112 : QTextObject(p, doc)-
113{-
114}-
115-
116-
117-
118-
119-
120QTextBlockGroup::~QTextBlockGroup()-
121{-
122}-
123void QTextBlockGroup::blockInserted(const QTextBlock &block)-
124{-
125 QTextBlockGroupPrivate * const d = d_func();-
126 QTextBlockGroupPrivate::BlockList::Iterator it = std::lower_bound(d->blocks.begin(), d->blocks.end(), block);-
127 d->blocks.insert(it, block);-
128 d->markBlocksDirty();-
129}-
130-
131-
132-
133-
134-
135-
136void QTextBlockGroup::blockRemoved(const QTextBlock &block)-
137{-
138 QTextBlockGroupPrivate * const d = d_func();-
139 d->blocks.removeAll(block);-
140 d->markBlocksDirty();-
141 if (d->blocks.isEmpty()) {-
142 document()->docHandle()->deleteObject(this);-
143 return;-
144 }-
145}-
146-
147-
148-
149-
150-
151-
152-
153void QTextBlockGroup::blockFormatChanged(const QTextBlock &)-
154{-
155}-
156-
157-
158-
159-
160-
161QList<QTextBlock> QTextBlockGroup::blockList() const-
162{-
163 const QTextBlockGroupPrivate * const d = d_func();-
164 return d->blocks;-
165}-
166-
167-
168-
169QTextFrameLayoutData::~QTextFrameLayoutData()-
170{-
171}-
172QTextFrame::QTextFrame(QTextDocument *doc)-
173 : QTextObject(*new QTextFramePrivate(doc), doc)-
174{-
175}-
176QTextFrame::~QTextFrame()-
177{-
178 QTextFramePrivate * const d = d_func();-
179 delete d->layoutData;-
180}-
181-
182-
183-
184-
185QTextFrame::QTextFrame(QTextFramePrivate &p, QTextDocument *doc)-
186 : QTextObject(p, doc)-
187{-
188}-
189-
190-
191-
192-
193-
194-
195QList<QTextFrame *> QTextFrame::childFrames() const-
196{-
197 const QTextFramePrivate * const d = d_func();-
198 return d->childFrames;-
199}-
200-
201-
202-
203-
204-
205-
206-
207QTextFrame *QTextFrame::parentFrame() const-
208{-
209 const QTextFramePrivate * const d = d_func();-
210 return d->parentFrame;-
211}-
212-
213-
214-
215-
216-
217-
218-
219QTextCursor QTextFrame::firstCursorPosition() const-
220{-
221 const QTextFramePrivate * const d = d_func();-
222 return QTextCursorPrivate::fromPosition(d->pieceTable, firstPosition());-
223}-
224-
225-
226-
227-
228-
229-
230QTextCursor QTextFrame::lastCursorPosition() const-
231{-
232 const QTextFramePrivate * const d = d_func();-
233 return QTextCursorPrivate::fromPosition(d->pieceTable, lastPosition());-
234}-
235-
236-
237-
238-
239-
240-
241int QTextFrame::firstPosition() const-
242{-
243 const QTextFramePrivate * const d = d_func();-
244 if (!d->fragment_start)-
245 return 0;-
246 return d->pieceTable->fragmentMap().position(d->fragment_start) + 1;-
247}-
248-
249-
250-
251-
252-
253-
254int QTextFrame::lastPosition() const-
255{-
256 const QTextFramePrivate * const d = d_func();-
257 if (!d->fragment_end)-
258 return d->pieceTable->length() - 1;-
259 return d->pieceTable->fragmentMap().position(d->fragment_end);-
260}-
261-
262-
263-
264-
265QTextFrameLayoutData *QTextFrame::layoutData() const-
266{-
267 const QTextFramePrivate * const d = d_func();-
268 return d->layoutData;-
269}-
270-
271-
272-
273-
274void QTextFrame::setLayoutData(QTextFrameLayoutData *data)-
275{-
276 QTextFramePrivate * const d = d_func();-
277 delete d->layoutData;-
278 d->layoutData = data;-
279}-
280-
281-
282-
283void QTextFramePrivate::fragmentAdded(QChar type, uint fragment)-
284{-
285 if (type == QChar(0xfdd0)) {-
286 ((!(!fragment_start)) ? qt_assert("!fragment_start",__FILE__,532538) : qt_noop());-
287 fragment_start = fragment;-
288 } else if (type == QChar(0xfdd1)) {-
289 ((!(!fragment_end)) ? qt_assert("!fragment_end",__FILE__,535541) : qt_noop());-
290 fragment_end = fragment;-
291 } else if (type == QChar::ObjectReplacementCharacter) {-
292 ((!(!fragment_start)) ? qt_assert("!fragment_start",__FILE__,538544) : qt_noop());-
293 ((!(!fragment_end)) ? qt_assert("!fragment_end",__FILE__,539545) : qt_noop());-
294 fragment_start = fragment;-
295 fragment_end = fragment;-
296 } else {-
297 ((!(false)) ? qt_assert("false",__FILE__,543549) : qt_noop());-
298 }-
299}-
300-
301void QTextFramePrivate::fragmentRemoved(QChar type, uint fragment)-
302{-
303 (void)fragment;;-
304 if (type == QChar(0xfdd0)) {-
305 ((!(fragment_start == fragment)) ? qt_assert("fragment_start == fragment",__FILE__,551557) : qt_noop());-
306 fragment_start = 0;-
307 } else if (type == QChar(0xfdd1)) {-
308 ((!(fragment_end == fragment)) ? qt_assert("fragment_end == fragment",__FILE__,554560) : qt_noop());-
309 fragment_end = 0;-
310 } else if (type == QChar::ObjectReplacementCharacter) {-
311 ((!(fragment_start == fragment)) ? qt_assert("fragment_start == fragment",__FILE__,557563) : qt_noop());-
312 ((!(fragment_end == fragment)) ? qt_assert("fragment_end == fragment",__FILE__,558564) : qt_noop());-
313 fragment_start = 0;-
314 fragment_end = 0;-
315 } else {-
316 ((!(false)) ? qt_assert("false",__FILE__,562568) : qt_noop());-
317 }-
318 remove_me();-
319}-
320-
321-
322void QTextFramePrivate::remove_me()-
323{-
324 QTextFrame * const q = q_func();-
325 if (fragment_start == 0 && fragment_end == 0-
326 && !parentFrame) {-
327 q->document()->docHandle()->deleteObject(q);-
328 return;-
329 }-
330-
331 if (!parentFrame)-
332 return;-
333-
334 int index = parentFrame->d_func()->childFrames.indexOf(q);-
335-
336-
337 for (int i = 0; i < childFrames.size(); ++i) {-
338 QTextFrame *c = childFrames.at(i);-
339 parentFrame->d_func()->childFrames.insert(index, c);-
340 c->d_func()->parentFrame = parentFrame;-
341 ++index;-
342 }-
343 ((!(parentFrame->d_func()->childFrames.at(index) == q)) ? qt_assert("parentFrame->d_func()->childFrames.at(index) == q",__FILE__,589595) : qt_noop());-
344 parentFrame->d_func()->childFrames.removeAt(index);-
345-
346 childFrames.clear();-
347 parentFrame = 0;-
348}-
349QTextFrame::iterator QTextFrame::begin() const-
350{-
351 const QTextDocumentPrivate *priv = docHandle();-
352 int b = priv->blockMap().findNode(firstPosition());-
353 int e = priv->blockMap().findNode(lastPosition()+1);-
354 return iterator(const_cast<QTextFrame *>(this), b, b, e);-
355}-
356-
357-
358-
359-
360-
361-
362QTextFrame::iterator QTextFrame::end() const-
363{-
364 const QTextDocumentPrivate *priv = docHandle();-
365 int b = priv->blockMap().findNode(firstPosition());-
366 int e = priv->blockMap().findNode(lastPosition()+1);-
367 return iterator(const_cast<QTextFrame *>(this), e, b, e);-
368}-
369-
370-
371-
372-
373QTextFrame::iterator::iterator()-
374{-
375 f = 0;-
376 b = 0;-
377 e = 0;-
378 cf = 0;-
379 cb = 0;-
380}-
381-
382-
383-
384-
385QTextFrame::iterator::iterator(QTextFrame *frame, int block, int begin, int end)-
386{-
387 f = frame;-
388 b = begin;-
389 e = end;-
390 cf = 0;-
391 cb = block;-
392}-
393-
394-
395-
396-
397-
398-
399QTextFrame::iterator::iterator(const iterator &other) noexcept-
400{-
401 f = other.f;-
402 b = other.b;-
403 e = other.e;-
404 cf = other.cf;-
405 cb = other.cb;-
406}
never executed: end of block
0
407-
408-
409-
410-
411-
412QTextFrame::iterator &QTextFrame::iterator::operator=(const iterator &other) noexcept-
413{-
414 f = other.f;-
415 b = other.b;-
416 e = other.e;-
417 cf = other.cf;-
418 cb = other.cb;-
419 return
never executed: return *this;
 *this;
never executed: return *this;
0
420}-
421QTextFrame *QTextFrame::iterator::currentFrame() const-
422{-
423 return cf;-
424}-
425-
426-
427-
428-
429-
430-
431-
432QTextBlock QTextFrame::iterator::currentBlock() const-
433{-
434 if (!f)-
435 return QTextBlock();-
436 return QTextBlock(f->docHandle(), cb);-
437}-
438-
439-
440-
441-
442-
443-
444QTextFrame::iterator &QTextFrame::iterator::operator++()-
445{-
446 const QTextDocumentPrivate *priv = f->docHandle();-
447 const QTextDocumentPrivate::BlockMap &map = priv->blockMap();-
448 if (cf) {-
449 int end = cf->lastPosition() + 1;-
450 cb = map.findNode(end);-
451 cf = 0;-
452 } else if (cb) {-
453 cb = map.next(cb);-
454 if (cb == e)-
455 return *this;-
456-
457 if (!f->d_func()->childFrames.isEmpty()) {-
458 int pos = map.position(cb);-
459-
460 QTextDocumentPrivate::FragmentIterator frag = priv->find(pos-1);-
461 if (priv->buffer().at(frag->stringPosition) != QChar::ParagraphSeparator) {-
462 QTextFrame *nf = qobject_cast<QTextFrame *>(priv->objectForFormat(frag->format));-
463 if (nf) {-
464 if (priv->buffer().at(frag->stringPosition) == QChar(0xfdd0) && nf != f) {-
465 cf = nf;-
466 cb = 0;-
467 } else {-
468 ((!(priv->buffer().at(frag->stringPosition) != QChar(0xfdd1))) ? qt_assert("priv->buffer().at(frag->stringPosition) != QTextEndOfFrame",__FILE__,749759) : qt_noop());-
469 }-
470 }-
471 }-
472 }-
473 }-
474 return *this;-
475}-
476-
477-
478-
479-
480-
481-
482QTextFrame::iterator &QTextFrame::iterator::operator--()-
483{-
484 const QTextDocumentPrivate *priv = f->docHandle();-
485 const QTextDocumentPrivate::BlockMap &map = priv->blockMap();-
486 if (cf) {-
487 int start = cf->firstPosition() - 1;-
488 cb = map.findNode(start);-
489 cf = 0;-
490 } else {-
491 if (cb == b)-
492 goto end;-
493 if (cb != e) {-
494 int pos = map.position(cb);-
495-
496 QTextDocumentPrivate::FragmentIterator frag = priv->find(pos-1);-
497 if (priv->buffer().at(frag->stringPosition) != QChar::ParagraphSeparator) {-
498 QTextFrame *pf = qobject_cast<QTextFrame *>(priv->objectForFormat(frag->format));-
499 if (pf) {-
500 if (priv->buffer().at(frag->stringPosition) == QChar(0xfdd0)) {-
501 ((!(pf == f)) ? qt_assert("pf == f",__FILE__,782792) : qt_noop());-
502 } else if (priv->buffer().at(frag->stringPosition) == QChar(0xfdd1)) {-
503 ((!(pf != f)) ? qt_assert("pf != f",__FILE__,784794) : qt_noop());-
504 cf = pf;-
505 cb = 0;-
506 goto end;-
507 }-
508 }-
509 }-
510 }-
511 cb = map.previous(cb);-
512 }-
513 end:-
514 return *this;-
515}-
516QTextBlockUserData::~QTextBlockUserData()-
517{-
518}-
519bool QTextBlock::isValid() const-
520{-
521 return p != 0 && p->blockMap().isValid(n);-
522}-
523int QTextBlock::position() const-
524{-
525 if (!p || !n)-
526 return 0;-
527-
528 return p->blockMap().position(n);-
529}-
530int QTextBlock::length() const-
531{-
532 if (!p || !n)-
533 return 0;-
534-
535 return p->blockMap().size(n);-
536}-
537-
538-
539-
540-
541-
542bool QTextBlock::contains(int position) const-
543{-
544 if (!p || !n)-
545 return false;-
546-
547 int pos = p->blockMap().position(n);-
548 int len = p->blockMap().size(n);-
549 return position >= pos && position < pos + len;-
550}-
551QTextLayout *QTextBlock::layout() const-
552{-
553 if (!p || !n)-
554 return 0;-
555-
556 const QTextBlockData *b = p->blockMap().fragment(n);-
557 if (!b->layout)-
558 b->layout = new QTextLayout(*this);-
559 return b->layout;-
560}-
561void QTextBlock::clearLayout()-
562{-
563 if (!p || !n)-
564 return;-
565-
566 const QTextBlockData *b = p->blockMap().fragment(n);-
567 if (b->layout)-
568 b->layout->clearLayout();-
569}-
570-
571-
572-
573-
574-
575-
576QTextBlockFormat QTextBlock::blockFormat() const-
577{-
578 if (!p || !n)-
579 return QTextFormat().toBlockFormat();-
580-
581 return p->formatCollection()->blockFormat(p->blockMap().fragment(n)->format);-
582}-
583-
584-
585-
586-
587-
588-
589-
590int QTextBlock::blockFormatIndex() const-
591{-
592 if (!p || !n)-
593 return -1;-
594-
595 return p->blockMap().fragment(n)->format;-
596}-
597QTextCharFormat QTextBlock::charFormat() const-
598{-
599 if (!p || !n)-
600 return QTextFormat().toCharFormat();-
601-
602 return p->formatCollection()->charFormat(charFormatIndex());-
603}-
604-
605-
606-
607-
608-
609-
610-
611int QTextBlock::charFormatIndex() const-
612{-
613 if (!p || !n)-
614 return -1;-
615-
616 return p->blockCharFormatIndex(n);-
617}-
618Qt::LayoutDirection QTextBlock::textDirection() const-
619{-
620 Qt::LayoutDirection dir = blockFormat().layoutDirection();-
621 if (dir != Qt::LayoutDirectionAuto)-
622 return dir;-
623-
624 dir = p->defaultTextOption.textDirection();-
625 if (dir != Qt::LayoutDirectionAuto)-
626 return dir;-
627-
628 const QString buffer = p->buffer();-
629-
630 const int pos = position();-
631 QTextDocumentPrivate::FragmentIterator it = p->find(pos);-
632 QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1);-
633 for (; it != end; ++it) {-
634 const QTextFragmentData * const frag = it.value();-
635 const QChar *p = buffer.constData() + frag->stringPosition;-
636 const QChar * const end = p + frag->size_array[0];-
637 while (p < end) {-
638 uint ucs4 = p->unicode();-
639 if (QChar::isHighSurrogate(ucs4) && p + 1 < end) {-
640 ushort low = p[1].unicode();-
641 if (QChar::isLowSurrogate(low)) {-
642 ucs4 = QChar::surrogateToUcs4(ucs4, low);-
643 ++p;-
644 }-
645 }-
646 switch (QChar::direction(ucs4)) {-
647 case QChar::DirL:-
648 return Qt::LeftToRight;-
649 case QChar::DirR:-
650 case QChar::DirAL:-
651 return Qt::RightToLeft;-
652 default:-
653 break;-
654 }-
655 ++p;-
656 }-
657 }-
658 return Qt::LeftToRight;-
659}-
660-
661-
662-
663-
664-
665-
666QString QTextBlock::text() const-
667{-
668 if (!p || !n)-
669 return QString();-
670-
671 const QString buffer = p->buffer();-
672 QString text;-
673 text.reserve(length());-
674-
675 const int pos = position();-
676 QTextDocumentPrivate::FragmentIterator it = p->find(pos);-
677 QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1);-
678 for (; it != end; ++it) {-
679 const QTextFragmentData * const frag = it.value();-
680 text += QString::fromRawData(buffer.constData() + frag->stringPosition, frag->size_array[0]);-
681 }-
682-
683 return text;-
684}-
685QVector<QTextLayout::FormatRange> QTextBlock::textFormats() const-
686{-
687 QVector<QTextLayout::FormatRange> formats;-
688 if (!p || !n)-
689 return formats;-
690-
691 const QTextFormatCollection *formatCollection = p->formatCollection();-
692-
693 int start = 0;-
694 int cur = start;-
695 int format = -1;-
696-
697 const int pos = position();-
698 QTextDocumentPrivate::FragmentIterator it = p->find(pos);-
699 QTextDocumentPrivate::FragmentIterator end = p->find(pos + length() - 1);-
700 for (; it != end; ++it) {-
701 const QTextFragmentData * const frag = it.value();-
702 if (format != it.value()->format) {-
703 if (cur - start > 0) {-
704 QTextLayout::FormatRange range;-
705 range.start = start;-
706 range.length = cur - start;-
707 range.format = formatCollection->charFormat(format);-
708 formats.append(range);-
709 }-
710-
711 format = frag->format;-
712 start = cur;-
713 }-
714 cur += frag->size_array[0];-
715 }-
716 if (cur - start > 0) {-
717 QTextLayout::FormatRange range;-
718 range.start = start;-
719 range.length = cur - start;-
720 range.format = formatCollection->charFormat(format);-
721 formats.append(range);-
722 }-
723-
724 return formats;-
725}-
726-
727-
728-
729-
730-
731const QTextDocument *QTextBlock::document() const-
732{-
733 return p ? p->document() : 0;-
734}-
735-
736-
737-
738-
739-
740QTextList *QTextBlock::textList() const-
741{-
742 if (!isValid())-
743 return 0;-
744-
745 const QTextBlockFormat fmt = blockFormat();-
746 QTextObject *obj = p->document()->objectForFormat(fmt);-
747 return qobject_cast<QTextList *>(obj);-
748}-
749-
750-
751-
752-
753-
754-
755-
756QTextBlockUserData *QTextBlock::userData() const-
757{-
758 if (!p || !n)-
759 return 0;-
760-
761 const QTextBlockData *b = p->blockMap().fragment(n);-
762 return b->userData;-
763}-
764void QTextBlock::setUserData(QTextBlockUserData *data)-
765{-
766 if (!p || !n)-
767 return;-
768-
769 const QTextBlockData *b = p->blockMap().fragment(n);-
770 if (data != b->userData)-
771 delete b->userData;-
772 b->userData = data;-
773}-
774-
775-
776-
777-
778-
779-
780int QTextBlock::userState() const-
781{-
782 if (!p || !n)-
783 return -1;-
784-
785 const QTextBlockData *b = p->blockMap().fragment(n);-
786 return b->userState;-
787}-
788-
789-
790-
791-
792-
793-
794-
795void QTextBlock::setUserState(int state)-
796{-
797 if (!p || !n)-
798 return;-
799-
800 const QTextBlockData *b = p->blockMap().fragment(n);-
801 b->userState = state;-
802}-
803int QTextBlock::revision() const-
804{-
805 if (!p || !n)-
806 return -1;-
807-
808 const QTextBlockData *b = p->blockMap().fragment(n);-
809 return b->revision;-
810}-
811void QTextBlock::setRevision(int rev)-
812{-
813 if (!p || !n)-
814 return;-
815-
816 const QTextBlockData *b = p->blockMap().fragment(n);-
817 b->revision = rev;-
818}-
819bool QTextBlock::isVisible() const-
820{-
821 if (!p || !n)-
822 return true;-
823-
824 const QTextBlockData *b = p->blockMap().fragment(n);-
825 return !b->hidden;-
826}-
827void QTextBlock::setVisible(bool visible)-
828{-
829 if (!p || !n)-
830 return;-
831-
832 const QTextBlockData *b = p->blockMap().fragment(n);-
833 b->hidden = !visible;-
834}-
835int QTextBlock::blockNumber() const-
836{-
837 if (!p || !n)-
838 return -1;-
839 return p->blockMap().position(n, 1);-
840}-
841int QTextBlock::firstLineNumber() const-
842{-
843 if (!p || !n)-
844 return -1;-
845 return p->blockMap().position(n, 2);-
846}-
847void QTextBlock::setLineCount(int count)-
848{-
849 if (!p || !n)-
850 return;-
851 p->blockMap().setSize(n, count, 2);-
852}-
853-
854-
855-
856-
857-
858-
859-
860int QTextBlock::lineCount() const-
861{-
862 if (!p || !n)-
863 return -1;-
864 return p->blockMap().size(n, 2);-
865}-
866QTextBlock::iterator QTextBlock::begin() const-
867{-
868 if (!p || !n)-
869 return iterator();-
870-
871 int pos = position();-
872 int len = length() - 1;-
873 int b = p->fragmentMap().findNode(pos);-
874 int e = p->fragmentMap().findNode(pos+len);-
875 return iterator(p, b, e, b);-
876}-
877-
878-
879-
880-
881-
882-
883-
884QTextBlock::iterator QTextBlock::end() const-
885{-
886 if (!p || !n)-
887 return iterator();-
888-
889 int pos = position();-
890 int len = length() - 1;-
891 int b = p->fragmentMap().findNode(pos);-
892 int e = p->fragmentMap().findNode(pos+len);-
893 return iterator(p, b, e, e);-
894}-
895QTextBlock QTextBlock::next() const-
896{-
897 if (!isValid())-
898 return QTextBlock();-
899-
900 return QTextBlock(p, p->blockMap().next(n));-
901}-
902QTextBlock QTextBlock::previous() const-
903{-
904 if (!p)-
905 return QTextBlock();-
906-
907 return QTextBlock(p, p->blockMap().previous(n));-
908}-
909-
910-
911-
912-
913-
914QTextFragment QTextBlock::iterator::fragment() const-
915{-
916 int ne = n;-
917 int formatIndex = p->fragmentMap().fragment(n)->format;-
918 do {-
919 ne = p->fragmentMap().next(ne);-
920 } while (ne != e && p->fragmentMap().fragment(ne)->format == formatIndex);-
921 return QTextFragment(p, n, ne);-
922}-
923-
924-
925-
926-
927-
928-
929-
930QTextBlock::iterator &QTextBlock::iterator::operator++()-
931{-
932 int ne = n;-
933 int formatIndex = p->fragmentMap().fragment(n)->format;-
934 do {-
935 ne = p->fragmentMap().next(ne);-
936 } while (ne != e && p->fragmentMap().fragment(ne)->format == formatIndex);-
937 n = ne;-
938 return *this;-
939}-
940-
941-
942-
943-
944-
945-
946QTextBlock::iterator &QTextBlock::iterator::operator--()-
947{-
948 n = p->fragmentMap().previous(n);-
949-
950 if (n == b)-
951 return *this;-
952-
953 int formatIndex = p->fragmentMap().fragment(n)->format;-
954 int last = n;-
955-
956 while (n != b && p->fragmentMap().fragment(n)->format != formatIndex) {-
957 last = n;-
958 n = p->fragmentMap().previous(n);-
959 }-
960-
961 n = last;-
962 return *this;-
963}-
964QList<QGlyphRun> QTextFragment::glyphRuns(int pos, int len) const-
965{-
966 if (!p || !n)-
967 return QList<QGlyphRun>();-
968-
969 int blockNode = p->blockMap().findNode(position());-
970-
971 const QTextBlockData *blockData = p->blockMap().fragment(blockNode);-
972 QTextLayout *layout = blockData->layout;-
973-
974 int blockPosition = p->blockMap().position(blockNode);-
975 if (pos < 0)-
976 pos = position() - blockPosition;-
977 if (len < 0)-
978 len = length();-
979 if (len == 0)-
980 return QList<QGlyphRun>();-
981-
982 QList<QGlyphRun> ret;-
983 for (int i=0; i<layout->lineCount(); ++i) {-
984 QTextLine textLine = layout->lineAt(i);-
985 ret += textLine.glyphRuns(pos, len);-
986 }-
987-
988 return ret;-
989}-
990-
991-
992-
993-
994-
995int QTextFragment::position() const-
996{-
997 if (!p || !n)-
998 return 0;-
999-
1000 return p->fragmentMap().position(n);-
1001}-
1002-
1003-
1004-
1005-
1006-
1007-
1008int QTextFragment::length() const-
1009{-
1010 if (!p || !n)-
1011 return 0;-
1012-
1013 int len = 0;-
1014 int f = n;-
1015 while (f != ne) {-
1016 len += p->fragmentMap().size(f);-
1017 f = p->fragmentMap().next(f);-
1018 }-
1019 return len;-
1020}-
1021-
1022-
1023-
1024-
1025-
1026bool QTextFragment::contains(int position) const-
1027{-
1028 if (!p || !n)-
1029 return false;-
1030 int pos = this->position();-
1031 return position >= pos && position < pos + length();-
1032}-
1033-
1034-
1035-
1036-
1037-
1038-
1039QTextCharFormat QTextFragment::charFormat() const-
1040{-
1041 if (!p || !n)-
1042 return QTextCharFormat();-
1043 const QTextFragmentData *data = p->fragmentMap().fragment(n);-
1044 return p->formatCollection()->charFormat(data->format);-
1045}-
1046-
1047-
1048-
1049-
1050-
1051-
1052-
1053int QTextFragment::charFormatIndex() const-
1054{-
1055 if (!p || !n)-
1056 return -1;-
1057 const QTextFragmentData *data = p->fragmentMap().fragment(n);-
1058 return data->format;-
1059}-
1060-
1061-
1062-
1063-
1064-
1065-
1066QString QTextFragment::text() const-
1067{-
1068 if (!p || !n)-
1069 return QString();-
1070-
1071 QString result;-
1072 QString buffer = p->buffer();-
1073 int f = n;-
1074 while (f != ne) {-
1075 const QTextFragmentData * const frag = p->fragmentMap().fragment(f);-
1076 result += QString(buffer.constData() + frag->stringPosition, frag->size_array[0]);-
1077 f = p->fragmentMap().next(f);-
1078 }-
1079 return result;-
1080}-
1081-
1082-
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