3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
10 * \author André Pönitz
12 * \author Jürgen Vigna
14 * Full author contact details are available in file CREDITS.
22 #include "bufferparams.h"
23 #include "BufferView.h"
26 #include "funcrequest.h"
30 #include "lyxlength.h"
33 #include "lyxrow_funcs.h"
34 #include "metricsinfo.h"
35 #include "paragraph.h"
36 #include "paragraph_funcs.h"
37 #include "ParagraphParameters.h"
38 #include "rowpainter.h"
39 #include "text_funcs.h"
42 #include "WordLangTuple.h"
44 #include "frontends/font_metrics.h"
45 #include "frontends/LyXView.h"
47 #include "insets/insettext.h"
49 #include "support/lstrings.h"
50 #include "support/textutils.h"
52 using bv_funcs::number;
55 using lyx::word_location;
57 using lyx::support::contains;
58 using lyx::support::lowercase;
59 using lyx::support::uppercase;
66 /// top, right, bottom pixel margin
67 extern int const PAPER_MARGIN = 20;
68 /// margin for changebar
69 extern int const CHANGEBAR_MARGIN = 10;
71 extern int const LEFT_MARGIN = PAPER_MARGIN + CHANGEBAR_MARGIN;
75 int bibitemMaxWidth(BufferView *, LyXFont const &);
80 unsigned int maxParagraphWidth(ParagraphList const & plist)
82 unsigned int width = 0;
83 ParagraphList::const_iterator pit = plist.begin();
84 ParagraphList::const_iterator end = plist.end();
85 for (; pit != end; ++pit)
86 width = std::max(width, pit->width);
93 BufferView * LyXText::bv()
95 BOOST_ASSERT(bv_owner != 0);
100 double LyXText::spacing(Paragraph const & par) const
102 if (par.params().spacing().isDefault())
103 return bv()->buffer()->params().spacing().getValue();
104 return par.params().spacing().getValue();
108 BufferView * LyXText::bv() const
110 BOOST_ASSERT(bv_owner != 0);
115 void LyXText::updateRowPositions()
117 ParagraphList::iterator pit = ownerParagraphs().begin();
118 ParagraphList::iterator end = ownerParagraphs().end();
119 for (height = 0; pit != end; ++pit) {
121 height += pit->height;
126 int LyXText::workWidth() const
128 return inset_owner ? inset_owner->textWidth() : bv()->workWidth();
132 int LyXText::getRealCursorX() const
135 if (the_locking_inset && the_locking_inset->getLyXText(bv()) != this)
136 x = the_locking_inset->getLyXText(bv())->getRealCursorX();
141 // This is the comments that some of the warnings below refers to.
142 // There are some issues in this file and I don't think they are
143 // really related to the FIX_DOUBLE_SPACE patch. I'd rather think that
144 // this is a problem that has been here almost from day one and that a
145 // larger userbase with different access patters triggers the bad
146 // behaviour. (segfaults.) What I think happen is: In several places
147 // we store the paragraph in the current cursor and then moves the
148 // cursor. This movement of the cursor will delete paragraph at the
149 // old position if it is now empty. This will make the temporary
150 // pointer to the old cursor paragraph invalid and dangerous to use.
151 // And is some cases this will trigger a segfault. I have marked some
152 // of the cases where this happens with a warning, but I am sure there
153 // are others in this file and in text2.C. There is also a note in
154 // Delete() that you should read. In Delete I store the paragraph->id
155 // instead of a pointer to the paragraph. I am pretty sure this faulty
156 // use of temporary pointers to paragraphs that might have gotten
157 // invalidated (through a cursor movement) before they are used, are
158 // the cause of the strange crashes we get reported often.
160 // It is very tiresom to change this code, especially when it is as
161 // hard to read as it is. Help to fix all the cases where this is done
162 // would be greately appreciated.
166 int LyXText::singleWidth(ParagraphList::iterator pit, pos_type pos) const
168 if (pos >= pit->size())
171 char const c = pit->getChar(pos);
172 LyXFont const & font = getFont(pit, pos);
173 return singleWidth(pit, pos, c, font);
177 int LyXText::singleWidth(ParagraphList::iterator pit,
178 pos_type pos, char c, LyXFont const & font) const
180 if (pos >= pit->size()) {
181 lyxerr << "in singleWidth(), pos: " << pos << endl;
186 // The most common case is handled first (Asger)
187 if (IsPrintable(c)) {
188 if (!font.language()->RightToLeft()) {
189 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
190 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
191 && font.language()->lang() == "arabic") {
192 if (Encodings::IsComposeChar_arabic(c))
195 c = pit->transformChar(c, pos);
196 } else if (font.language()->lang() == "hebrew" &&
197 Encodings::IsComposeChar_hebrew(c))
200 return font_metrics::width(c, font);
203 if (c == Paragraph::META_INSET)
204 return pit->getInset(pos)->width();
206 if (IsSeparatorChar(c))
208 return font_metrics::width(c, font);
212 int LyXText::leftMargin(ParagraphList::iterator pit, Row const & row) const
214 LyXTextClass const & tclass =
215 bv()->buffer()->params().getLyXTextClass();
216 LyXLayout_ptr const & layout = pit->layout();
218 string parindent = layout->parindent;
222 x += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
224 // this is the way, LyX handles the LaTeX-Environments.
225 // I have had this idea very late, so it seems to be a
226 // later added hack and this is true
227 if (pit->getDepth() == 0) {
228 if (pit->layout() == tclass.defaultLayout()) {
229 // find the previous same level paragraph
230 if (pit != ownerParagraphs().begin()) {
231 ParagraphList::iterator newpit =
232 depthHook(pit, ownerParagraphs(), pit->getDepth());
233 if (newpit == pit && newpit->layout()->nextnoindent)
238 // find the next level paragraph
239 ParagraphList::iterator newpar =
240 outerHook(pit, ownerParagraphs());
242 // make a corresponding row. Needed to call leftMargin()
243 // check wether it is a sufficent paragraph
244 if (newpar != ownerParagraphs().end()
245 && newpar->layout()->isEnvironment()) {
246 x = leftMargin(newpar, Row(newpar->size()));
249 if (newpar != ownerParagraphs().end()
250 && pit->layout() == tclass.defaultLayout()) {
251 if (newpar->params().noindent())
254 parindent = newpar->layout()->parindent;
258 LyXFont const labelfont = getLabelFont(pit);
259 switch (layout->margintype) {
261 if (!layout->leftmargin.empty())
262 x += font_metrics::signedWidth(layout->leftmargin,
263 tclass.defaultfont());
264 if (!pit->getLabelstring().empty()) {
265 x += font_metrics::signedWidth(layout->labelindent,
267 x += font_metrics::width(pit->getLabelstring(),
269 x += font_metrics::width(layout->labelsep, labelfont);
274 x += font_metrics::signedWidth(layout->labelindent, labelfont);
275 // The width of an empty par, even with manual label, should be 0
276 if (!pit->empty() && row.pos() >= pit->beginningOfBody()) {
277 if (!pit->getLabelWidthString().empty()) {
278 x += font_metrics::width(pit->getLabelWidthString(),
280 x += font_metrics::width(layout->labelsep, labelfont);
286 x += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
287 / (pit->getDepth() + 4);
290 case MARGIN_FIRST_DYNAMIC:
291 if (layout->labeltype == LABEL_MANUAL) {
292 if (row.pos() >= pit->beginningOfBody()) {
293 x += font_metrics::signedWidth(layout->leftmargin,
296 x += font_metrics::signedWidth(layout->labelindent,
300 // Special case to fix problems with
302 || (layout->labeltype == LABEL_STATIC
303 && layout->latextype == LATEX_ENVIRONMENT
304 && !isFirstInSequence(pit, ownerParagraphs()))) {
305 x += font_metrics::signedWidth(layout->leftmargin,
307 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
308 && layout->labeltype != LABEL_BIBLIO
309 && layout->labeltype !=
310 LABEL_CENTERED_TOP_ENVIRONMENT) {
311 x += font_metrics::signedWidth(layout->labelindent,
313 x += font_metrics::width(layout->labelsep, labelfont);
314 x += font_metrics::width(pit->getLabelstring(),
319 case MARGIN_RIGHT_ADDRESS_BOX: {
320 // ok, a terrible hack. The left margin depends on the widest
321 // row in this paragraph.
322 RowList::iterator rit = pit->rows.begin();
323 RowList::iterator end = pit->rows.end();
324 #warning This is wrong.
325 int minfill = workWidth() / 2;
326 for ( ; rit != end; ++rit)
327 if (rit->fill() < minfill)
328 minfill = rit->fill();
329 x += font_metrics::signedWidth(layout->leftmargin,
330 tclass.defaultfont());
336 if (workWidth() > 0 && !pit->params().leftIndent().zero()) {
337 LyXLength const len = pit->params().leftIndent();
338 int const tw = inset_owner ?
339 inset_owner->latexTextWidth(bv()) : workWidth();
340 x += len.inPixels(tw);
345 if (pit->params().align() == LYX_ALIGN_LAYOUT)
346 align = layout->align;
348 align = pit->params().align();
350 // set the correct parindent
351 if (row.pos() == 0) {
352 if ((layout->labeltype == LABEL_NO_LABEL
353 || layout->labeltype == LABEL_TOP_ENVIRONMENT
354 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
355 || (layout->labeltype == LABEL_STATIC
356 && layout->latextype == LATEX_ENVIRONMENT
357 && !isFirstInSequence(pit, ownerParagraphs())))
358 && align == LYX_ALIGN_BLOCK
359 && !pit->params().noindent()
360 // in tabulars and ert paragraphs are never indented!
361 && (!pit->inInset() || !pit->inInset()->owner() ||
362 (pit->inInset()->owner()->lyxCode() != InsetOld::TABULAR_CODE &&
363 pit->inInset()->owner()->lyxCode() != InsetOld::ERT_CODE))
364 && (pit->layout() != tclass.defaultLayout() ||
365 bv()->buffer()->params().paragraph_separation ==
366 BufferParams::PARSEP_INDENT)) {
367 x += font_metrics::signedWidth(parindent,
368 tclass.defaultfont());
369 } else if (layout->labeltype == LABEL_BIBLIO) {
370 // ale970405 Right width for bibitems
371 x += bibitemMaxWidth(bv(), tclass.defaultfont());
379 int LyXText::rightMargin(Paragraph const & par, Buffer const & buf) const
381 LyXTextClass const & tclass = buf.params().getLyXTextClass();
382 LyXLayout_ptr const & layout = par.layout();
385 + font_metrics::signedWidth(tclass.rightmargin(),
386 tclass.defaultfont())
387 + font_metrics::signedWidth(layout->rightmargin,
388 tclass.defaultfont())
389 * 4 / (par.getDepth() + 4);
393 int LyXText::labelEnd(ParagraphList::iterator pit, Row const & row) const
395 // labelEnd is only needed if the layout fills a flushleft label.
396 if (pit->layout()->margintype != MARGIN_MANUAL)
400 tmprow.pos(pit->size());
401 // return the beginning of the body
402 return leftMargin(pit, tmprow);
408 // this needs special handling - only newlines count as a break point
409 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
411 pos_type const end = par.size();
414 if (par.isNewline(i))
423 void LyXText::rowBreakPoint(ParagraphList::iterator pit, Row & row) const
425 pos_type const end = pit->size();
426 pos_type const pos = row.pos();
432 // maximum pixel width of a row.
433 int width = workWidth() - rightMargin(*pit, *bv()->buffer());
434 // - leftMargin(pit, row);
436 // inset->textWidth() returns -1 via workWidth(),
443 LyXLayout_ptr const & layout = pit->layout();
445 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
446 row.endpos(addressBreakPoint(pos, *pit));
450 pos_type const body_pos = pit->beginningOfBody();
453 // Now we iterate through until we reach the right margin
454 // or the end of the par, then choose the possible break
457 int const left = leftMargin(pit, row);
460 // pixel width since last breakpoint
464 // We re-use the font resolution for the entire font span when possible
465 LyXFont font = getFont(pit, pos);
466 lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(pos);
468 pos_type point = end;
470 for ( ; i < end; ++i) {
471 if (pit->isNewline(i)) {
477 InsetOld * in = pit->getInset(i + 1);
478 if (in && in->display()) {
483 in = pit->getInset(i);
484 if (in && in->display()) {
490 char const c = pit->getChar(i);
492 if (i > endPosOfFontSpan) {
493 font = getFont(pit, i);
494 endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
498 int thiswidth = singleWidth(pit, i, c, font);
500 // add the auto-hfill from label end to the body
501 if (body_pos && i == body_pos) {
502 int add = font_metrics::width(layout->labelsep, getLabelFont(pit));
503 if (pit->isLineSeparator(i - 1))
504 add -= singleWidth(pit, i - 1);
506 add = std::max(add, labelEnd(pit, row) - x);
511 //lyxerr << "i: " << i << " x: "
512 //<< x << " width: " << width << endl;
513 chunkwidth += thiswidth;
517 // break before a character that will fall off
518 // the right of the row
520 // if no break before, break here
521 if (point == end || chunkwidth >= width - left) {
527 // exit on last registered breakpoint:
535 InsetOld * in = pit->getInset(i);
536 if (!in || in->isChar()) {
537 // some insets are line separators too
538 if (pit->isLineSeparator(i)) {
539 // register breakpoint:
547 // hack removed (connected with the #if 0 above):
548 if (point == end && i != end && x >= width) {
549 // didn't find one, break at the point we reached the edge
553 if (i == end && x < width) {
554 // maybe found one, but the par is short enough.
558 // manual labels cannot be broken in LaTeX. But we
559 // want to make our on-screen rendering of footnotes
561 if (body_pos && point < body_pos)
568 // returns the minimum space a row needs on the screen in pixel
569 void LyXText::fill(ParagraphList::iterator pit, Row & row, int workwidth) const
571 // get the pure distance
572 pos_type const end = row.endpos();
574 LyXLayout_ptr const & layout = pit->layout();
575 int w = leftMargin(pit, row);
577 pos_type const body_pos = pit->beginningOfBody();
578 pos_type i = row.pos();
581 // We re-use the font resolution for the entire span when possible
582 LyXFont font = getFont(pit, i);
583 lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
584 for ( ; i < end; ++i) {
585 if (body_pos > 0 && i == body_pos) {
586 w += font_metrics::width(layout->labelsep, getLabelFont(pit));
587 if (pit->isLineSeparator(i - 1))
588 w -= singleWidth(pit, i - 1);
589 w = max(w, labelEnd(pit, row));
591 char const c = pit->getChar(i);
592 if (IsPrintable(c) && i > endPosOfFontSpan) {
593 // We need to get the next font
594 font = getFont(pit, i);
595 endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
597 w += singleWidth(pit, i, c, font);
601 if (body_pos > 0 && body_pos >= end) {
602 w += font_metrics::width(layout->labelsep, getLabelFont(pit));
603 if (end > 0 && pit->isLineSeparator(end - 1))
604 w -= singleWidth(pit, end - 1);
605 w = max(w, labelEnd(pit, row));
608 int const fill = workwidth - w - rightMargin(*pit, *bv()->buffer());
610 row.width(workwidth - fill);
614 // returns the minimum space a manual label needs on the screen in pixel
615 int LyXText::labelFill(ParagraphList::iterator pit, Row const & row) const
617 pos_type last = pit->beginningOfBody();
619 BOOST_ASSERT(last > 0);
621 // -1 because a label ends with a space that is in the label
624 // a separator at this end does not count
625 if (pit->isLineSeparator(last))
629 for (pos_type i = row.pos(); i <= last; ++i)
630 w += singleWidth(pit, i);
632 string const & label = pit->params().labelWidthString();
636 return max(0, font_metrics::width(label, getLabelFont(pit)) - w);
640 LColor_color LyXText::backgroundColor() const
643 return inset_owner->backgroundColor();
644 return LColor::background;
648 void LyXText::setHeightOfRow(ParagraphList::iterator pit, Row & row)
650 // get the maximum ascent and the maximum descent
651 double layoutasc = 0;
652 double layoutdesc = 0;
653 double const dh = defaultRowHeight();
655 // ok, let us initialize the maxasc and maxdesc value.
656 // Only the fontsize count. The other properties
657 // are taken from the layoutfont. Nicer on the screen :)
658 LyXLayout_ptr const & layout = pit->layout();
660 // as max get the first character of this row then it can increase but not
661 // decrease the height. Just some point to start with so we don't have to
662 // do the assignment below too often.
663 LyXFont font = getFont(pit, row.pos());
664 LyXFont::FONT_SIZE const tmpsize = font.size();
665 font = getLayoutFont(pit);
666 LyXFont::FONT_SIZE const size = font.size();
667 font.setSize(tmpsize);
669 LyXFont labelfont = getLabelFont(pit);
671 // these are minimum values
672 double const spacing_val = layout->spacing.getValue() * spacing(*pit);
673 //lyxerr << "spacing_val = " << spacing_val << endl;
674 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
675 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
677 // insets may be taller
678 InsetList::iterator ii = pit->insetlist.begin();
679 InsetList::iterator iend = pit->insetlist.end();
680 for ( ; ii != iend; ++ii) {
681 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
682 maxasc = max(maxasc, ii->inset->ascent());
683 maxdesc = max(maxdesc, ii->inset->descent());
687 // Check if any custom fonts are larger (Asger)
688 // This is not completely correct, but we can live with the small,
689 // cosmetic error for now.
691 pos_type const pos_end = row.endpos();
693 LyXFont::FONT_SIZE maxsize =
694 pit->highestFontInRange(row.pos(), pos_end, size);
695 if (maxsize > font.size()) {
696 font.setSize(maxsize);
697 maxasc = max(maxasc, font_metrics::maxAscent(font));
698 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
701 // This is nicer with box insets:
705 row.ascent_of_text(maxasc);
708 if (row.pos() == 0) {
709 BufferParams const & bufparams = bv()->buffer()->params();
710 // some parksips VERY EASY IMPLEMENTATION
711 if (bv()->buffer()->params().paragraph_separation
712 == BufferParams::PARSEP_SKIP
713 && pit != ownerParagraphs().begin()
714 && ((layout->isParagraph() && pit->getDepth() == 0)
715 || (boost::prior(pit)->layout()->isParagraph()
716 && boost::prior(pit)->getDepth() == 0)))
718 maxasc += bufparams.getDefSkip().inPixels(*bv());
722 if (pit == ownerParagraphs().begin() && !isInInset())
723 maxasc += PAPER_MARGIN;
725 // add user added vertical space
726 maxasc += getLengthMarkerHeight(*bv(), pit->params().spaceTop());
728 if (pit->params().startOfAppendix())
729 maxasc += int(3 * dh);
731 // This is special code for the chapter, since the label of this
732 // layout is printed in an extra row
733 if (layout->counter == "chapter" && bufparams.secnumdepth >= 0) {
734 labeladdon = int(font_metrics::maxHeight(labelfont)
735 * layout->spacing.getValue() * spacing(*pit));
738 // special code for the top label
739 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
740 || layout->labeltype == LABEL_BIBLIO
741 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
742 && isFirstInSequence(pit, ownerParagraphs())
743 && !pit->getLabelstring().empty())
746 font_metrics::maxHeight(labelfont)
747 * layout->spacing.getValue()
749 + (layout->topsep + layout->labelbottomsep) * dh);
752 // And now the layout spaces, for example before and after
753 // a section, or between the items of a itemize or enumerate
756 ParagraphList::iterator prev =
757 depthHook(pit, ownerParagraphs(), pit->getDepth());
759 && prev->layout() == layout
760 && prev->getDepth() == pit->getDepth()
761 && prev->getLabelWidthString() == pit->getLabelWidthString())
763 layoutasc = layout->itemsep * dh;
764 } else if (pit != ownerParagraphs().begin() || row.pos() != 0) {
765 if (layout->topsep > 0)
766 layoutasc = layout->topsep * dh;
769 prev = outerHook(pit, ownerParagraphs());
770 if (prev != ownerParagraphs().end()) {
771 maxasc += int(prev->layout()->parsep * dh);
772 } else if (pit != ownerParagraphs().begin()) {
773 ParagraphList::iterator prior_pit = boost::prior(pit);
774 if (prior_pit->getDepth() != 0 ||
775 prior_pit->layout() == layout) {
776 maxasc += int(layout->parsep * dh);
781 // is it a bottom line?
782 if (row.endpos() >= pit->size()) {
784 ParagraphList::iterator nextpit = boost::next(pit);
785 if (nextpit == ownerParagraphs().end() && !isInInset())
786 maxdesc += PAPER_MARGIN;
788 // add the vertical spaces, that the user added
789 maxdesc += getLengthMarkerHeight(*bv(), pit->params().spaceBottom());
791 // and now the layout spaces, for example before and after
792 // a section, or between the items of a itemize or enumerate
794 if (nextpit != ownerParagraphs().end()) {
795 ParagraphList::iterator cpit = pit;
799 if (cpit->getDepth() > nextpit->getDepth()) {
800 usual = cpit->layout()->bottomsep * dh;
801 cpit = depthHook(cpit, ownerParagraphs(), nextpit->getDepth());
802 if (cpit->layout() != nextpit->layout()
803 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
805 unusual = cpit->layout()->bottomsep * dh;
807 layoutdesc = max(unusual, usual);
808 } else if (cpit->getDepth() == nextpit->getDepth()) {
809 if (cpit->layout() != nextpit->layout()
810 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
811 layoutdesc = int(cpit->layout()->bottomsep * dh);
816 // incalculate the layout spaces
817 maxasc += int(layoutasc * 2 / (2 + pit->getDepth()));
818 maxdesc += int(layoutdesc * 2 / (2 + pit->getDepth()));
820 row.height(maxasc + maxdesc + labeladdon);
821 row.baseline(maxasc + labeladdon);
822 row.top_of_text(row.baseline() - font_metrics::maxAscent(font));
826 void LyXText::breakParagraph(ParagraphList & paragraphs, char keep_layout)
828 // allow only if at start or end, or all previous is new text
829 ParagraphList::iterator cpit = cursorPar();
830 if (cursor.pos() && cursor.pos() != cpit->size()
831 && cpit->isChangeEdited(0, cursor.pos()))
834 LyXTextClass const & tclass =
835 bv()->buffer()->params().getLyXTextClass();
836 LyXLayout_ptr const & layout = cpit->layout();
838 // this is only allowed, if the current paragraph is not empty or caption
839 // and if it has not the keepempty flag active
840 if (cpit->empty() && !cpit->allowEmpty()
841 && layout->labeltype != LABEL_SENSITIVE)
844 recUndo(cursor.par());
846 // Always break behind a space
848 // It is better to erase the space (Dekel)
849 if (cursor.pos() < cpit->size() && cpit->isLineSeparator(cursor.pos()))
850 cpit->erase(cursor.pos());
852 // break the paragraph
856 keep_layout = layout->isEnvironment();
858 // we need to set this before we insert the paragraph. IMO the
859 // breakParagraph call should return a bool if it inserts the
860 // paragraph before or behind and we should react on that one
861 // but we can fix this in 1.3.0 (Jug 20020509)
862 bool const isempty = cpit->allowEmpty() && cpit->empty();
863 ::breakParagraph(bv()->buffer()->params(), paragraphs, cpit,
864 cursor.pos(), keep_layout);
866 #warning Trouble Point! (Lgb)
867 // When ::breakParagraph is called from within an inset we must
868 // ensure that the correct ParagraphList is used. Today that is not
869 // the case and the Buffer::paragraphs is used. Not good. (Lgb)
871 ParagraphList::iterator next_par = boost::next(cpit);
873 // well this is the caption hack since one caption is really enough
874 if (layout->labeltype == LABEL_SENSITIVE) {
876 // set to standard-layout
877 cpit->applyLayout(tclass.defaultLayout());
879 // set to standard-layout
880 next_par->applyLayout(tclass.defaultLayout());
883 // if the cursor is at the beginning of a row without prior newline,
885 // This touches only the screen-update. Otherwise we would may have
886 // an empty row on the screen
887 RowList::iterator crit = cpit->getRow(cursor.pos());
888 if (cursor.pos() && crit->pos() == cursor.pos()
889 && !cpit->isNewline(cursor.pos() - 1))
894 while (!next_par->empty() && next_par->isNewline(0))
899 redoParagraph(next_par);
901 // This check is necessary. Otherwise the new empty paragraph will
902 // be deleted automatically. And it is more friendly for the user!
903 if (cursor.pos() || isempty)
904 setCursor(next_par, 0);
910 // convenience function
911 void LyXText::redoParagraph()
914 redoParagraph(cursorPar());
915 setCursorIntern(cursor.par(), cursor.pos());
919 // insert a character, moves all the following breaks in the
920 // same Paragraph one to the right and make a rebreak
921 void LyXText::insertChar(char c)
923 recordUndo(Undo::INSERT, this, cursor.par(), cursor.par());
925 // When the free-spacing option is set for the current layout,
926 // disable the double-space checking
928 bool const freeSpacing = cursorPar()->layout()->free_spacing ||
929 cursorPar()->isFreeSpacing();
931 if (lyxrc.auto_number) {
932 static string const number_operators = "+-/*";
933 static string const number_unary_operators = "+-";
934 static string const number_seperators = ".,:";
936 if (current_font.number() == LyXFont::ON) {
937 if (!IsDigit(c) && !contains(number_operators, c) &&
938 !(contains(number_seperators, c) &&
940 cursor.pos() < cursorPar()->size() &&
941 getFont(cursorPar(), cursor.pos()).number() == LyXFont::ON &&
942 getFont(cursorPar(), cursor.pos() - 1).number() == LyXFont::ON)
944 number(bv()); // Set current_font.number to OFF
945 } else if (IsDigit(c) &&
946 real_current_font.isVisibleRightToLeft()) {
947 number(bv()); // Set current_font.number to ON
949 if (cursor.pos() > 0) {
950 char const c = cursorPar()->getChar(cursor.pos() - 1);
951 if (contains(number_unary_operators, c) &&
952 (cursor.pos() == 1 ||
953 cursorPar()->isSeparator(cursor.pos() - 2) ||
954 cursorPar()->isNewline(cursor.pos() - 2))
960 } else if (contains(number_seperators, c) &&
964 cursor.pos() - 2).number() == LyXFont::ON) {
974 // First check, if there will be two blanks together or a blank at
975 // the beginning of a paragraph.
976 // I decided to handle blanks like normal characters, the main
977 // difference are the special checks when calculating the row.fill
978 // (blank does not count at the end of a row) and the check here
980 // The bug is triggered when we type in a description environment:
981 // The current_font is not changed when we go from label to main text
982 // and it should (along with realtmpfont) when we type the space.
983 // CHECK There is a bug here! (Asger)
985 // store the current font. This is because of the use of cursor
986 // movements. The moving cursor would refresh the current font
987 LyXFont realtmpfont = real_current_font;
988 LyXFont rawtmpfont = current_font;
990 if (!freeSpacing && IsLineSeparatorChar(c)) {
991 if ((cursor.pos() > 0
992 && cursorPar()->isLineSeparator(cursor.pos() - 1))
994 && cursorPar()->isNewline(cursor.pos() - 1))
995 || (cursor.pos() == 0)) {
996 static bool sent_space_message = false;
997 if (!sent_space_message) {
998 if (cursor.pos() == 0)
999 bv()->owner()->message(_("You cannot insert a space at the beginning of a paragraph. Please read the Tutorial."));
1001 bv()->owner()->message(_("You cannot type two spaces this way. Please read the Tutorial."));
1002 sent_space_message = true;
1009 // Here case LyXText::InsertInset already inserted the character
1010 if (c != Paragraph::META_INSET)
1011 cursorPar()->insertChar(cursor.pos(), c);
1013 setCharFont(cursorPar(), cursor.pos(), rawtmpfont);
1015 current_font = rawtmpfont;
1016 real_current_font = realtmpfont;
1017 redoParagraph(cursorPar());
1018 setCursor(cursor.par(), cursor.pos() + 1, false, cursor.boundary());
1024 void LyXText::charInserted()
1026 // Here we call finishUndo for every 20 characters inserted.
1027 // This is from my experience how emacs does it. (Lgb)
1028 static unsigned int counter;
1038 void LyXText::prepareToPrint(ParagraphList::iterator pit, Row & row) const
1040 double w = row.fill();
1041 double fill_hfill = 0;
1042 double fill_label_hfill = 0;
1043 double fill_separator = 0;
1047 pit->isRightToLeftPar(bv()->buffer()->params());
1049 x = workWidth() > 0 ? rightMargin(*pit, *bv()->buffer()) : 0;
1051 x = workWidth() > 0 ? leftMargin(pit, row) : 0;
1053 // is there a manual margin with a manual label
1054 LyXLayout_ptr const & layout = pit->layout();
1056 if (layout->margintype == MARGIN_MANUAL
1057 && layout->labeltype == LABEL_MANUAL) {
1058 /// We might have real hfills in the label part
1059 int nlh = numberOfLabelHfills(*pit, row);
1061 // A manual label par (e.g. List) has an auto-hfill
1062 // between the label text and the body of the
1064 // But we don't want to do this auto hfill if the par
1069 if (nlh && !pit->getLabelWidthString().empty())
1070 fill_label_hfill = labelFill(pit, row) / double(nlh);
1073 // are there any hfills in the row?
1074 int const nh = numberOfHfills(*pit, row);
1078 fill_hfill = w / nh;
1079 // we don't have to look at the alignment if it is ALIGN_LEFT and
1080 // if the row is already larger then the permitted width as then
1081 // we force the LEFT_ALIGN'edness!
1082 } else if (int(row.width()) < workWidth()) {
1083 // is it block, flushleft or flushright?
1084 // set x how you need it
1086 if (pit->params().align() == LYX_ALIGN_LAYOUT) {
1087 align = layout->align;
1089 align = pit->params().align();
1091 // ERT insets should always be LEFT ALIGNED on screen
1092 InsetOld * inset = pit->inInset();
1093 if (inset && inset->owner() &&
1094 inset->owner()->lyxCode() == InsetOld::ERT_CODE)
1096 align = LYX_ALIGN_LEFT;
1099 // Display-style insets should always be on a centred row
1100 // The test on pit->size() is to catch zero-size pars, which
1101 // would trigger the assert in Paragraph::getInset().
1102 //inset = pit->size() ? pit->getInset(row.pos()) : 0;
1104 && pit->isInset(row.pos())
1105 && pit->getInset(row.pos())->display())
1107 align = LYX_ALIGN_CENTER;
1111 case LYX_ALIGN_BLOCK: {
1112 int const ns = numberOfSeparators(*pit, row);
1113 bool disp_inset = false;
1114 if (row.endpos() < pit->size()) {
1115 InsetOld * in = pit->getInset(row.endpos());
1117 disp_inset = in->display();
1119 // If we have separators, this is not the last row of a
1120 // par, does not end in newline, and is not row above a
1121 // display inset... then stretch it
1123 && row.endpos() < pit->size()
1124 && !pit->isNewline(row.endpos() - 1)
1127 fill_separator = w / ns;
1128 } else if (is_rtl) {
1133 case LYX_ALIGN_RIGHT:
1136 case LYX_ALIGN_CENTER:
1142 bidi.computeTables(*pit, *bv()->buffer(), row);
1144 pos_type body_pos = pit->beginningOfBody();
1145 pos_type end = row.endpos();
1148 && (body_pos > end || !pit->isLineSeparator(body_pos - 1)))
1150 x += font_metrics::width(layout->labelsep, getLabelFont(pit));
1151 if (body_pos <= end)
1152 x += fill_label_hfill;
1156 row.fill_hfill(fill_hfill);
1157 row.fill_label_hfill(fill_label_hfill);
1158 row.fill_separator(fill_separator);
1163 // important for the screen
1166 // the cursor set functions have a special mechanism. When they
1167 // realize, that you left an empty paragraph, they will delete it.
1168 // They also delete the corresponding row
1170 void LyXText::cursorRightOneWord()
1172 ::cursorRightOneWord(*this, cursor, ownerParagraphs());
1173 setCursor(cursorPar(), cursor.pos());
1177 // Skip initial whitespace at end of word and move cursor to *start*
1178 // of prior word, not to end of next prior word.
1179 void LyXText::cursorLeftOneWord()
1181 LyXCursor tmpcursor = cursor;
1182 ::cursorLeftOneWord(*this, tmpcursor, ownerParagraphs());
1183 setCursor(getPar(tmpcursor), tmpcursor.pos());
1187 void LyXText::selectWord(word_location loc)
1189 LyXCursor from = cursor;
1190 LyXCursor to = cursor;
1191 ::getWord(*this, from, to, loc, ownerParagraphs());
1193 setCursor(from.par(), from.pos());
1196 selection.cursor = cursor;
1197 setCursor(to.par(), to.pos());
1202 // Select the word currently under the cursor when no
1203 // selection is currently set
1204 bool LyXText::selectWordWhenUnderCursor(word_location loc)
1206 if (!selection.set()) {
1208 return selection.set();
1214 void LyXText::acceptChange()
1216 if (!selection.set() && cursorPar()->size())
1219 if (selection.start.par() == selection.end.par()) {
1220 LyXCursor & startc = selection.start;
1221 LyXCursor & endc = selection.end;
1222 recordUndo(Undo::INSERT, this, startc.par());
1223 getPar(startc)->acceptChange(startc.pos(), endc.pos());
1226 redoParagraph(getPar(startc));
1227 setCursorIntern(startc.par(), 0);
1229 #warning handle multi par selection
1233 void LyXText::rejectChange()
1235 if (!selection.set() && cursorPar()->size())
1238 if (selection.start.par() == selection.end.par()) {
1239 LyXCursor & startc = selection.start;
1240 LyXCursor & endc = selection.end;
1241 recordUndo(Undo::INSERT, this, startc.par());
1242 getPar(startc)->rejectChange(startc.pos(), endc.pos());
1245 redoParagraph(getPar(startc));
1246 setCursorIntern(startc.par(), 0);
1248 #warning handle multi par selection
1252 // This function is only used by the spellchecker for NextWord().
1253 // It doesn't handle LYX_ACCENTs and probably never will.
1254 WordLangTuple const LyXText::selectNextWordToSpellcheck(float & value)
1256 if (the_locking_inset) {
1257 WordLangTuple word =
1258 the_locking_inset->selectNextWordToSpellcheck(bv(), value);
1259 if (!word.word().empty()) {
1260 value += float(cursor.y());
1261 value /= float(height);
1264 // we have to go on checking so move cursor to the next char
1265 if (cursor.pos() == cursorPar()->size()) {
1266 if (cursor.par() + 1 == int(ownerParagraphs().size()))
1268 cursor.par(cursor.par() + 1);
1271 cursor.pos(cursor.pos() + 1);
1274 int const tmppar = cursor.par();
1276 // If this is not the very first word, skip rest of
1277 // current word because we are probably in the middle
1278 // of a word if there is text here.
1279 if (cursor.pos() || cursor.par() != 0) {
1280 while (cursor.pos() < cursorPar()->size()
1281 && cursorPar()->isLetter(cursor.pos()))
1282 cursor.pos(cursor.pos() + 1);
1285 // Now, skip until we have real text (will jump paragraphs)
1287 ParagraphList::iterator cpit = cursorPar();
1288 pos_type const cpos = cursor.pos();
1290 if (cpos == cpit->size()) {
1291 if (cursor.par() + 1 != int(ownerParagraphs().size())) {
1292 cursor.par(cursor.par() + 1);
1299 bool const is_good_inset = cpit->isInset(cpos)
1300 && cpit->getInset(cpos)->allowSpellcheck();
1302 if (!isDeletedText(*cpit, cpos)
1303 && (is_good_inset || cpit->isLetter(cpos)))
1306 cursor.pos(cpos + 1);
1309 // now check if we hit an inset so it has to be a inset containing text!
1310 if (cursor.pos() < cursorPar()->size() &&
1311 cursorPar()->isInset(cursor.pos())) {
1313 FuncRequest cmd(bv(), LFUN_INSET_EDIT, "left");
1314 cursorPar()->getInset(cursor.pos())->dispatch(cmd);
1315 // now call us again to do the above trick
1316 // but obviously we have to start from down below ;)
1317 return bv()->text->selectNextWordToSpellcheck(value);
1320 // Update the value if we changed paragraphs
1321 if (cursor.par() != tmppar) {
1322 setCursor(cursor.par(), cursor.pos());
1323 value = float(cursor.y())/float(height);
1326 // Start the selection from here
1327 selection.cursor = cursor;
1329 string lang_code = getFont(cursorPar(), cursor.pos()).language()->code();
1330 // and find the end of the word (insets like optional hyphens
1331 // and ligature break are part of a word)
1332 while (cursor.pos() < cursorPar()->size()
1333 && cursorPar()->isLetter(cursor.pos())
1334 && !isDeletedText(*cursorPar(), cursor.pos()))
1335 cursor.pos(cursor.pos() + 1);
1337 // Finally, we copy the word to a string and return it
1339 if (selection.cursor.pos() < cursor.pos()) {
1340 for (pos_type i = selection.cursor.pos(); i < cursor.pos(); ++i) {
1341 if (!cursorPar()->isInset(i))
1342 str += cursorPar()->getChar(i);
1345 return WordLangTuple(str, lang_code);
1349 // This one is also only for the spellchecker
1350 void LyXText::selectSelectedWord()
1352 if (the_locking_inset) {
1353 the_locking_inset->selectSelectedWord(bv());
1356 // move cursor to the beginning
1357 setCursor(selection.cursor.par(), selection.cursor.pos());
1359 // set the sel cursor
1360 selection.cursor = cursor;
1362 // now find the end of the word
1363 while (cursor.pos() < cursorPar()->size()
1364 && cursorPar()->isLetter(cursor.pos()))
1365 cursor.pos(cursor.pos() + 1);
1367 setCursor(cursorPar(), cursor.pos());
1369 // finally set the selection
1374 // Delete from cursor up to the end of the current or next word.
1375 void LyXText::deleteWordForward()
1377 if (cursorPar()->empty())
1380 LyXCursor tmpcursor = cursor;
1381 selection.set(true); // to avoid deletion
1382 cursorRightOneWord();
1383 setCursor(tmpcursor, tmpcursor.par(), tmpcursor.pos());
1384 selection.cursor = cursor;
1387 cutSelection(true, false);
1392 // Delete from cursor to start of current or prior word.
1393 void LyXText::deleteWordBackward()
1395 if (cursorPar()->empty())
1398 LyXCursor tmpcursor = cursor;
1399 selection.set(true); // to avoid deletion
1400 cursorLeftOneWord();
1401 setCursor(tmpcursor, tmpcursor.par(), tmpcursor.pos());
1402 selection.cursor = cursor;
1405 cutSelection(true, false);
1410 // Kill to end of line.
1411 void LyXText::deleteLineForward()
1413 if (cursorPar()->empty()) {
1414 // Paragraph is empty, so we just go to the right
1417 LyXCursor tmpcursor = cursor;
1418 // We can't store the row over a regular setCursor
1419 // so we set it to 0 and reset it afterwards.
1420 selection.set(true); // to avoid deletion
1422 setCursor(tmpcursor, tmpcursor.par(), tmpcursor.pos());
1423 selection.cursor = cursor;
1426 // What is this test for ??? (JMarc)
1427 if (!selection.set())
1428 deleteWordForward();
1430 cutSelection(true, false);
1435 void LyXText::changeCase(LyXText::TextCase action)
1440 if (selection.set()) {
1441 from = selection.start;
1445 ::getWord(*this, from, to, lyx::PARTIAL_WORD, ownerParagraphs());
1446 setCursor(to.par(), to.pos() + 1);
1449 recordUndo(Undo::ATOMIC, this, from.par(), to.par());
1451 pos_type pos = from.pos();
1452 int par = from.par();
1454 while (par != int(ownerParagraphs().size()) &&
1455 (pos != to.pos() || par != to.par())) {
1456 ParagraphList::iterator pit = getPar(par);
1457 if (pos == pit->size()) {
1462 unsigned char c = pit->getChar(pos);
1463 if (c != Paragraph::META_INSET) {
1465 case text_lowercase:
1468 case text_capitalization:
1470 action = text_lowercase;
1472 case text_uppercase:
1478 pit->setChar(pos, c);
1484 void LyXText::Delete()
1486 // this is a very easy implementation
1488 LyXCursor old_cursor = cursor;
1489 int const old_cur_par_id = cursorPar()->id();
1490 int const old_cur_par_prev_id =
1491 old_cursor.par() ? getPar(old_cursor.par() - 1)->id() : -1;
1493 // just move to the right
1496 // CHECK Look at the comment here.
1497 // This check is not very good...
1498 // The cursorRightIntern calls DeleteEmptyParagraphMechanism
1499 // and that can very well delete the par or par->previous in
1500 // old_cursor. Will a solution where we compare paragraph id's
1502 int iid = cursor.par() ? getPar(cursor.par() - 1)->id() : -1;
1503 if (iid == old_cur_par_prev_id && cursorPar()->id() != old_cur_par_id) {
1504 // delete-empty-paragraph-mechanism has done it
1508 // if you had success make a backspace
1509 if (old_cursor.par() != cursor.par() || old_cursor.pos() != cursor.pos()) {
1510 recordUndo(Undo::DELETE, this, old_cursor.par());
1516 void LyXText::backspace()
1518 // Get the font that is used to calculate the baselineskip
1519 ParagraphList::iterator pit = cursorPar();
1520 pos_type lastpos = pit->size();
1522 if (cursor.pos() == 0) {
1523 // The cursor is at the beginning of a paragraph,
1524 // so the the backspace will collapse two paragraphs into one.
1526 // but it's not allowed unless it's new
1527 if (pit->isChangeEdited(0, pit->size()))
1530 // we may paste some paragraphs
1532 // is it an empty paragraph?
1534 if (lastpos == 0 || (lastpos == 1 && pit->isSeparator(0))) {
1535 // This is an empty paragraph and we delete it just
1536 // by moving the cursor one step
1537 // left and let the DeleteEmptyParagraphMechanism
1538 // handle the actual deletion of the paragraph.
1541 ParagraphList::iterator tmppit = getPar(cursor.par() - 1);
1542 if (cursorPar()->layout() == tmppit->layout()
1543 && cursorPar()->getAlign() == tmppit->getAlign()) {
1544 // Inherit bottom DTD from the paragraph below.
1545 // (the one we are deleting)
1546 tmppit->params().spaceBottom(cursorPar()->params().spaceBottom());
1551 // the layout things can change the height of a row !
1557 if (cursor.par() != 0)
1558 recordUndo(Undo::DELETE, this, cursor.par() - 1, cursor.par());
1560 ParagraphList::iterator tmppit = cursorPar();
1561 // We used to do cursorLeftIntern() here, but it is
1562 // not a good idea since it triggers the auto-delete
1563 // mechanism. So we do a cursorLeftIntern()-lite,
1564 // without the dreaded mechanism. (JMarc)
1565 if (cursor.par() != 0) {
1566 // steps into the above paragraph.
1567 setCursorIntern(cursor.par() - 1,
1568 getPar(cursor.par() - 1)->size(),
1572 // Pasting is not allowed, if the paragraphs have different
1573 // layout. I think it is a real bug of all other
1574 // word processors to allow it. It confuses the user.
1575 // Correction: Pasting is always allowed with standard-layout
1576 Buffer & buf = *bv()->buffer();
1577 BufferParams const & bufparams = buf.params();
1578 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1579 ParagraphList::iterator const cpit = cursorPar();
1582 && (cpit->layout() == tmppit->layout()
1583 || tmppit->layout() == tclass.defaultLayout())
1584 && cpit->getAlign() == tmppit->getAlign()) {
1585 mergeParagraph(bufparams, buf.paragraphs(), cpit);
1587 if (cursor.pos() && cpit->isSeparator(cursor.pos() - 1))
1588 cursor.pos(cursor.pos() - 1);
1590 // the counters may have changed
1592 setCursor(cursor.par(), cursor.pos(), false);
1595 // this is the code for a normal backspace, not pasting
1597 recordUndo(Undo::DELETE, this, cursor.par());
1598 // We used to do cursorLeftIntern() here, but it is
1599 // not a good idea since it triggers the auto-delete
1600 // mechanism. So we do a cursorLeftIntern()-lite,
1601 // without the dreaded mechanism. (JMarc)
1602 setCursorIntern(cursor.par(), cursor.pos() - 1,
1603 false, cursor.boundary());
1604 cursorPar()->erase(cursor.pos());
1607 lastpos = cursorPar()->size();
1608 if (cursor.pos() == lastpos)
1612 setCursor(cursor.par(), cursor.pos(), false, cursor.boundary());
1616 ParagraphList::iterator LyXText::cursorPar() const
1618 if (cursor.par() != cache_pos_) {
1619 cache_pos_ = cursor.par();
1620 cache_par_ = getPar(cache_pos_);
1626 RowList::iterator LyXText::cursorRow() const
1628 return cursorPar()->getRow(cursor.pos());
1632 ParagraphList::iterator LyXText::getPar(LyXCursor const & cur) const
1634 return getPar(cur.par());
1638 ParagraphList::iterator LyXText::getPar(int par) const
1640 BOOST_ASSERT(par >= 0);
1641 BOOST_ASSERT(par < int(ownerParagraphs().size()));
1642 ParagraphList::iterator pit = ownerParagraphs().begin();
1643 std::advance(pit, par);
1649 LyXText::getRowNearY(int y, ParagraphList::iterator & pit) const
1651 //lyxerr << "getRowNearY: y " << y << endl;
1653 ParagraphList::iterator const pend = ownerParagraphs().end();
1654 pit = ownerParagraphs().begin();
1655 while (int(pit->y + pit->height) < y && pit != pend)
1658 RowList::iterator rit = pit->rows.begin();
1659 RowList::iterator const rend = pit->rows.end();
1660 while (int(pit->y + rit->y_offset()) < y && rit != rend)
1665 pit = boost::prior(ownerParagraphs().end());
1667 RowList::iterator rit = lastRow();
1668 RowList::iterator rbegin = firstRow();
1670 while (rit != rbegin && int(pit->y + rit->y_offset()) > y)
1671 previousRow(pit, rit);
1678 int LyXText::getDepth() const
1680 return cursorPar()->getDepth();
1684 RowList::iterator LyXText::firstRow() const
1686 return ownerParagraphs().front().rows.begin();
1690 RowList::iterator LyXText::lastRow() const
1692 return boost::prior(endRow());
1696 RowList::iterator LyXText::endRow() const
1698 return ownerParagraphs().back().rows.end();
1702 void LyXText::nextRow(ParagraphList::iterator & pit,
1703 RowList::iterator & rit) const
1706 if (rit == pit->rows.end()) {
1708 if (pit == ownerParagraphs().end())
1711 rit = pit->rows.begin();
1716 void LyXText::previousRow(ParagraphList::iterator & pit,
1717 RowList::iterator & rit) const
1719 if (rit != pit->rows.begin())
1722 BOOST_ASSERT(pit != ownerParagraphs().begin());
1724 rit = boost::prior(pit->rows.end());
1729 string LyXText::selectionAsString(Buffer const & buffer, bool label) const
1731 if (!selection.set())
1734 // should be const ...
1735 ParagraphList::iterator startpit = getPar(selection.start);
1736 ParagraphList::iterator endpit = getPar(selection.end);
1737 size_t const startpos = selection.start.pos();
1738 size_t const endpos = selection.end.pos();
1740 if (startpit == endpit)
1741 return startpit->asString(buffer, startpos, endpos, label);
1743 // First paragraph in selection
1745 startpit->asString(buffer, startpos, startpit->size(), label) + "\n\n";
1747 // The paragraphs in between (if any)
1748 ParagraphList::iterator pit = startpit;
1749 for (++pit; pit != endpit; ++pit)
1750 result += pit->asString(buffer, 0, pit->size(), label) + "\n\n";
1752 // Last paragraph in selection
1753 result += endpit->asString(buffer, 0, endpos, label);
1759 int LyXText::parOffset(ParagraphList::iterator pit) const
1761 return std::distance(ownerParagraphs().begin(), pit);
1765 void LyXText::redoParagraphInternal(ParagraphList::iterator pit)
1767 // remove rows of paragraph, keep track of height changes
1768 height -= pit->height;
1776 InsetList::iterator ii = pit->insetlist.begin();
1777 InsetList::iterator iend = pit->insetlist.end();
1778 for (; ii != iend; ++ii) {
1780 MetricsInfo mi(bv(), getFont(pit, ii->pos), workWidth());
1781 ii->inset->metrics(mi, dim);
1784 // rebreak the paragraph
1785 int const ww = workWidth();
1789 rowBreakPoint(pit, row);
1792 prepareToPrint(pit, row);
1793 setHeightOfRow(pit, row);
1794 row.y_offset(pit->height);
1795 pit->rows.push_back(row);
1796 pit->width = std::max(pit->width, row.width());
1797 pit->height += row.height();
1798 } while (z < pit->size());
1800 height += pit->height;
1801 //lyxerr << "redoParagraph: " << pit->rows.size() << " rows\n";
1805 void LyXText::redoParagraphs(ParagraphList::iterator pit,
1806 ParagraphList::iterator end)
1808 for ( ; pit != end; ++pit)
1809 redoParagraphInternal(pit);
1810 updateRowPositions();
1814 void LyXText::redoParagraph(ParagraphList::iterator pit)
1816 redoParagraphInternal(pit);
1817 updateRowPositions();
1821 void LyXText::fullRebreak()
1823 redoParagraphs(ownerParagraphs().begin(), ownerParagraphs().end());
1825 selection.cursor = cursor;
1829 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1831 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1832 // << " workWidth: " << workWidth() << "\nfont: " << mi.base.font << endl;
1833 //BOOST_ASSERT(mi.base.textwidth);
1835 // rebuild row cache. This recomputes height as well.
1836 redoParagraphs(ownerParagraphs().begin(), ownerParagraphs().end());
1838 width = maxParagraphWidth(ownerParagraphs());
1841 dim.asc = firstRow()->ascent_of_text();
1842 dim.des = height - dim.asc;
1843 dim.wid = std::max(mi.base.textwidth, int(width));
1847 bool LyXText::isLastRow(ParagraphList::iterator pit, Row const & row) const
1849 return row.endpos() >= pit->size()
1850 && boost::next(pit) == ownerParagraphs().end();
1854 bool LyXText::isFirstRow(ParagraphList::iterator pit, Row const & row) const
1856 return row.pos() == 0 && pit == ownerParagraphs().begin();