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.
23 #include "bufferparams.h"
24 #include "BufferView.h"
27 #include "dispatchresult.h"
29 #include "funcrequest.h"
33 #include "lyxlength.h"
37 #include "lyxrow_funcs.h"
38 #include "metricsinfo.h"
39 #include "paragraph.h"
40 #include "paragraph_funcs.h"
41 #include "ParagraphParameters.h"
42 #include "rowpainter.h"
45 #include "WordLangTuple.h"
47 #include "frontends/font_metrics.h"
48 #include "frontends/LyXView.h"
50 #include "insets/insettext.h"
52 #include "support/lstrings.h"
53 #include "support/textutils.h"
54 #include "support/tostr.h"
55 #include "support/std_sstream.h"
58 using lyx::word_location;
60 using lyx::support::bformat;
61 using lyx::support::contains;
62 using lyx::support::lowercase;
63 using lyx::support::split;
64 using lyx::support::uppercase;
74 /// some space for drawing the 'nested' markers (in pixel)
75 extern int const NEST_MARGIN = 20;
76 /// margin for changebar
77 extern int const CHANGEBAR_MARGIN = 10;
79 extern int const RIGHT_MARGIN = 10;
84 int numberOfSeparators(Paragraph const & par, Row const & row)
86 pos_type const first = max(row.pos(), par.beginOfBody());
87 pos_type const last = row.endpos() - 1;
89 for (pos_type p = first; p < last; ++p) {
90 if (par.isSeparator(p))
97 unsigned int maxParagraphWidth(ParagraphList const & plist)
99 unsigned int width = 0;
100 ParagraphList::const_iterator pit = plist.begin();
101 ParagraphList::const_iterator end = plist.end();
102 for (; pit != end; ++pit)
103 width = std::max(width, pit->width);
108 int numberOfLabelHfills(Paragraph const & par, Row const & row)
110 pos_type last = row.endpos() - 1;
111 pos_type first = row.pos();
113 // hfill *DO* count at the beginning of paragraphs!
115 while (first < last && par.isHfill(first))
119 last = min(last, par.beginOfBody());
121 for (pos_type p = first; p < last; ++p) {
129 int numberOfHfills(Paragraph const & par, Row const & row)
131 pos_type const last = row.endpos() - 1;
132 pos_type first = row.pos();
134 // hfill *DO* count at the beginning of paragraphs!
136 while (first < last && par.isHfill(first))
140 first = max(first, par.beginOfBody());
143 for (pos_type p = first; p < last; ++p) {
153 BufferView * LyXText::bv()
155 BOOST_ASSERT(bv_owner != 0);
160 double LyXText::spacing(Paragraph const & par) const
162 if (par.params().spacing().isDefault())
163 return bv()->buffer()->params().spacing().getValue();
164 return par.params().spacing().getValue();
168 BufferView * LyXText::bv() const
170 BOOST_ASSERT(bv_owner != 0);
175 void LyXText::updateParPositions()
177 ParagraphList::iterator pit = paragraphs().begin();
178 ParagraphList::iterator end = paragraphs().end();
179 for (height = 0; pit != end; ++pit) {
181 height += pit->height;
186 int LyXText::textWidth() const
192 int LyXText::singleWidth(ParagraphList::iterator pit, pos_type pos) const
194 if (pos >= pit->size())
197 char const c = pit->getChar(pos);
198 return singleWidth(pit, pos, c, getFont(pit, pos));
202 int LyXText::singleWidth(ParagraphList::iterator pit,
203 pos_type pos, char c, LyXFont const & font) const
205 if (pos >= pit->size()) {
206 lyxerr << "in singleWidth(), pos: " << pos << endl;
211 // The most common case is handled first (Asger)
212 if (IsPrintable(c)) {
213 if (!font.language()->RightToLeft()) {
214 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
215 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
216 && font.language()->lang() == "arabic") {
217 if (Encodings::IsComposeChar_arabic(c))
220 c = pit->transformChar(c, pos);
221 } else if (font.language()->lang() == "hebrew" &&
222 Encodings::IsComposeChar_hebrew(c))
225 return font_metrics::width(c, font);
228 if (c == Paragraph::META_INSET)
229 return pit->getInset(pos)->width();
231 if (IsSeparatorChar(c))
233 return font_metrics::width(c, font);
237 int LyXText::leftMargin(ParagraphList::iterator pit) const
239 return leftMargin(pit, pit->size());
243 int LyXText::leftMargin(ParagraphList::iterator pit, pos_type pos) const
245 LyXTextClass const & tclass =
246 bv()->buffer()->params().getLyXTextClass();
247 LyXLayout_ptr const & layout = pit->layout();
249 string parindent = layout->parindent;
251 int x = NEST_MARGIN + CHANGEBAR_MARGIN;
253 x += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
255 // This is the way LyX handles LaTeX-Environments.
256 // I have had this idea very late, so it seems to be a
257 // later added hack and this is true
258 if (pit->getDepth() == 0) {
259 if (pit->layout() == tclass.defaultLayout()) {
260 // find the previous same level paragraph
261 if (pit != paragraphs().begin()) {
262 ParagraphList::iterator newpit =
263 depthHook(pit, paragraphs(), pit->getDepth());
264 if (newpit == pit && newpit->layout()->nextnoindent)
269 // find the next level paragraph
270 ParagraphList::iterator newpar =
271 outerHook(pit, paragraphs());
273 // Make a corresponding row. Need to call leftMargin()
274 // to check whether it is a sufficent paragraph.
275 if (newpar != paragraphs().end()
276 && newpar->layout()->isEnvironment()) {
277 x = leftMargin(newpar);
280 if (newpar != paragraphs().end()
281 && pit->layout() == tclass.defaultLayout()) {
282 if (newpar->params().noindent())
285 parindent = newpar->layout()->parindent;
289 LyXFont const labelfont = getLabelFont(pit);
290 switch (layout->margintype) {
292 if (!layout->leftmargin.empty())
293 x += font_metrics::signedWidth(layout->leftmargin,
294 tclass.defaultfont());
295 if (!pit->getLabelstring().empty()) {
296 x += font_metrics::signedWidth(layout->labelindent,
298 x += font_metrics::width(pit->getLabelstring(),
300 x += font_metrics::width(layout->labelsep, labelfont);
305 x += font_metrics::signedWidth(layout->labelindent, labelfont);
306 // The width of an empty par, even with manual label, should be 0
307 if (!pit->empty() && pos >= pit->beginOfBody()) {
308 if (!pit->getLabelWidthString().empty()) {
309 x += font_metrics::width(pit->getLabelWidthString(),
311 x += font_metrics::width(layout->labelsep, labelfont);
317 x += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
318 / (pit->getDepth() + 4);
321 case MARGIN_FIRST_DYNAMIC:
322 if (layout->labeltype == LABEL_MANUAL) {
323 if (pos >= pit->beginOfBody()) {
324 x += font_metrics::signedWidth(layout->leftmargin,
327 x += font_metrics::signedWidth(layout->labelindent,
331 // Special case to fix problems with
333 || (layout->labeltype == LABEL_STATIC
334 && layout->latextype == LATEX_ENVIRONMENT
335 && !isFirstInSequence(pit, paragraphs()))) {
336 x += font_metrics::signedWidth(layout->leftmargin,
338 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
339 && layout->labeltype != LABEL_BIBLIO
340 && layout->labeltype !=
341 LABEL_CENTERED_TOP_ENVIRONMENT) {
342 x += font_metrics::signedWidth(layout->labelindent,
344 x += font_metrics::width(layout->labelsep, labelfont);
345 x += font_metrics::width(pit->getLabelstring(),
350 case MARGIN_RIGHT_ADDRESS_BOX: {
352 // ok, a terrible hack. The left margin depends on the widest
353 // row in this paragraph.
354 RowList::iterator rit = pit->rows.begin();
355 RowList::iterator end = pit->rows.end();
356 #warning This is wrong.
357 int minfill = textwidth_;
358 for ( ; rit != end; ++rit)
359 if (rit->fill() < minfill)
360 minfill = rit->fill();
361 x += font_metrics::signedWidth(layout->leftmargin,
362 tclass.defaultfont());
365 // also wrong, but much shorter.
371 if (!pit->params().leftIndent().zero())
372 x += pit->params().leftIndent().inPixels(textWidth());
376 if (pit->params().align() == LYX_ALIGN_LAYOUT)
377 align = layout->align;
379 align = pit->params().align();
381 // set the correct parindent
383 && (layout->labeltype == LABEL_NO_LABEL
384 || layout->labeltype == LABEL_TOP_ENVIRONMENT
385 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
386 || (layout->labeltype == LABEL_STATIC
387 && layout->latextype == LATEX_ENVIRONMENT
388 && !isFirstInSequence(pit, paragraphs())))
389 && align == LYX_ALIGN_BLOCK
390 && !pit->params().noindent()
391 // in tabulars and ert paragraphs are never indented!
393 || !pit->inInset()->owner()
394 || (pit->inInset()->owner()->lyxCode() != InsetOld::TABULAR_CODE
395 && pit->inInset()->owner()->lyxCode() != InsetOld::ERT_CODE))
396 && (pit->layout() != tclass.defaultLayout()
397 || bv()->buffer()->params().paragraph_separation ==
398 BufferParams::PARSEP_INDENT))
400 x += font_metrics::signedWidth(parindent, tclass.defaultfont());
407 int LyXText::rightMargin(Paragraph const & par) const
409 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
413 + font_metrics::signedWidth(tclass.rightmargin(),
414 tclass.defaultfont())
415 + font_metrics::signedWidth(par.layout()->rightmargin,
416 tclass.defaultfont())
417 * 4 / (par.getDepth() + 4);
421 int LyXText::labelEnd(ParagraphList::iterator pit) const
423 // labelEnd is only needed if the layout fills a flushleft label.
424 if (pit->layout()->margintype != MARGIN_MANUAL)
426 // return the beginning of the body
427 return leftMargin(pit);
433 // this needs special handling - only newlines count as a break point
434 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
436 pos_type const end = par.size();
439 if (par.isNewline(i))
448 void LyXText::rowBreakPoint(ParagraphList::iterator pit, Row & row) const
450 pos_type const end = pit->size();
451 pos_type const pos = row.pos();
457 // maximum pixel width of a row
458 int width = textWidth() - rightMargin(*pit); // - leftMargin(pit, row);
464 LyXLayout_ptr const & layout = pit->layout();
466 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
467 row.endpos(addressBreakPoint(pos, *pit));
471 pos_type const body_pos = pit->beginOfBody();
474 // Now we iterate through until we reach the right margin
475 // or the end of the par, then choose the possible break
478 int const left = leftMargin(pit, pos);
481 // pixel width since last breakpoint
485 // We re-use the font resolution for the entire font span when possible
486 LyXFont font = getFont(pit, pos);
487 lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(pos);
489 pos_type point = end;
491 for ( ; i < end; ++i) {
492 if (pit->isNewline(i)) {
498 if (pit->isInset(i + 1) && pit->getInset(i + 1)->display()) {
503 if (pit->isInset(i) && pit->getInset(i)->display()) {
509 char const c = pit->getChar(i);
511 if (i > endPosOfFontSpan) {
512 font = getFont(pit, i);
513 endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
517 int thiswidth = singleWidth(pit, i, c, font);
519 // add the auto-hfill from label end to the body
520 if (body_pos && i == body_pos) {
521 int add = font_metrics::width(layout->labelsep, getLabelFont(pit));
522 if (pit->isLineSeparator(i - 1))
523 add -= singleWidth(pit, i - 1);
525 add = std::max(add, labelEnd(pit) - x);
530 //lyxerr << "i: " << i << " x: "
531 //<< x << " width: " << width << endl;
532 chunkwidth += thiswidth;
535 // break before a character that will fall off
536 // the right of the row
538 // if no break before, break here
539 if (point == end || chunkwidth >= width - left) {
545 // exit on last registered breakpoint:
549 if (!pit->isInset(i) || pit->getInset(i)->isChar()) {
550 // some insets are line separators too
551 if (pit->isLineSeparator(i)) {
552 // register breakpoint:
559 if (i == end && x < width) {
560 // maybe found one, but the par is short enough.
564 // manual labels cannot be broken in LaTeX. But we
565 // want to make our on-screen rendering of footnotes
567 if (body_pos && point < body_pos)
574 // returns the minimum space a row needs on the screen in pixel
575 void LyXText::fill(ParagraphList::iterator pit, Row & row, int workwidth) const
577 // get the pure distance
578 pos_type const end = row.endpos();
580 string labelsep = pit->layout()->labelsep;
581 int w = leftMargin(pit, row.pos());
583 pos_type const body_pos = pit->beginOfBody();
584 pos_type i = row.pos();
587 // We re-use the font resolution for the entire span when possible
588 LyXFont font = getFont(pit, i);
589 lyx::pos_type endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
590 for ( ; i < end; ++i) {
591 if (body_pos > 0 && i == body_pos) {
592 w += font_metrics::width(labelsep, getLabelFont(pit));
593 if (pit->isLineSeparator(i - 1))
594 w -= singleWidth(pit, i - 1);
595 w = max(w, labelEnd(pit));
597 char const c = pit->getChar(i);
598 if (IsPrintable(c) && i > endPosOfFontSpan) {
599 // We need to get the next font
600 font = getFont(pit, i);
601 endPosOfFontSpan = pit->getEndPosOfFontSpan(i);
603 w += singleWidth(pit, i, c, font);
607 if (body_pos > 0 && body_pos >= end) {
608 w += font_metrics::width(labelsep, getLabelFont(pit));
609 if (end > 0 && pit->isLineSeparator(end - 1))
610 w -= singleWidth(pit, end - 1);
611 w = max(w, labelEnd(pit));
614 int const fill = workwidth - w - rightMargin(*pit);
616 row.width(workwidth - fill);
620 // returns the minimum space a manual label needs on the screen in pixel
621 int LyXText::labelFill(ParagraphList::iterator pit, Row const & row) const
623 pos_type last = pit->beginOfBody();
625 BOOST_ASSERT(last > 0);
627 // -1 because a label ends with a space that is in the label
630 // a separator at this end does not count
631 if (pit->isLineSeparator(last))
635 for (pos_type i = row.pos(); i <= last; ++i)
636 w += singleWidth(pit, i);
638 string const & label = pit->params().labelWidthString();
642 return max(0, font_metrics::width(label, getLabelFont(pit)) - w);
646 LColor_color LyXText::backgroundColor() const
648 return LColor_color(LColor::color(background_color_));
652 void LyXText::setHeightOfRow(ParagraphList::iterator pit, Row & row)
654 // get the maximum ascent and the maximum descent
655 double layoutasc = 0;
656 double layoutdesc = 0;
657 double const dh = defaultRowHeight();
659 // ok, let us initialize the maxasc and maxdesc value.
660 // Only the fontsize count. The other properties
661 // are taken from the layoutfont. Nicer on the screen :)
662 LyXLayout_ptr const & layout = pit->layout();
664 // as max get the first character of this row then it can
665 // increase but not decrease the height. Just some point to
666 // start with so we don't have to do the assignment below too
668 LyXFont font = getFont(pit, row.pos());
669 LyXFont::FONT_SIZE const tmpsize = font.size();
670 font = getLayoutFont(pit);
671 LyXFont::FONT_SIZE const size = font.size();
672 font.setSize(tmpsize);
674 LyXFont labelfont = getLabelFont(pit);
676 // these are minimum values
677 double const spacing_val = layout->spacing.getValue() * spacing(*pit);
678 //lyxerr << "spacing_val = " << spacing_val << endl;
679 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
680 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
682 // insets may be taller
683 InsetList::iterator ii = pit->insetlist.begin();
684 InsetList::iterator iend = pit->insetlist.end();
685 for ( ; ii != iend; ++ii) {
686 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
687 maxasc = max(maxasc, ii->inset->ascent());
688 maxdesc = max(maxdesc, ii->inset->descent());
692 // Check if any custom fonts are larger (Asger)
693 // This is not completely correct, but we can live with the small,
694 // cosmetic error for now.
696 pos_type const pos_end = row.endpos();
698 LyXFont::FONT_SIZE maxsize =
699 pit->highestFontInRange(row.pos(), pos_end, size);
700 if (maxsize > font.size()) {
701 font.setSize(maxsize);
702 maxasc = max(maxasc, font_metrics::maxAscent(font));
703 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
706 // This is nicer with box insets:
710 row.ascent_of_text(maxasc);
713 if (row.pos() == 0) {
714 BufferParams const & bufparams = bv()->buffer()->params();
715 // some parksips VERY EASY IMPLEMENTATION
716 if (bv()->buffer()->params().paragraph_separation
717 == BufferParams::PARSEP_SKIP
718 && pit != paragraphs().begin()
719 && ((layout->isParagraph() && pit->getDepth() == 0)
720 || (boost::prior(pit)->layout()->isParagraph()
721 && boost::prior(pit)->getDepth() == 0)))
723 maxasc += bufparams.getDefSkip().inPixels(*bv());
726 if (pit->params().startOfAppendix())
727 maxasc += int(3 * dh);
729 // This is special code for the chapter, since the label of this
730 // layout is printed in an extra row
731 if (layout->counter == "chapter" && bufparams.secnumdepth >= 0) {
732 labeladdon = int(font_metrics::maxHeight(labelfont)
733 * layout->spacing.getValue() * spacing(*pit));
736 // special code for the top label
737 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
738 || layout->labeltype == LABEL_BIBLIO
739 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
740 && isFirstInSequence(pit, paragraphs())
741 && !pit->getLabelstring().empty())
744 font_metrics::maxHeight(labelfont)
745 * layout->spacing.getValue()
747 + (layout->topsep + layout->labelbottomsep) * dh);
750 // Add the layout spaces, for example before and after
751 // a section, or between the items of a itemize or enumerate
754 ParagraphList::iterator prev =
755 depthHook(pit, paragraphs(), pit->getDepth());
757 && prev->layout() == layout
758 && prev->getDepth() == pit->getDepth()
759 && prev->getLabelWidthString() == pit->getLabelWidthString())
761 layoutasc = layout->itemsep * dh;
762 } else if (pit != paragraphs().begin() || row.pos() != 0) {
763 if (layout->topsep > 0)
764 layoutasc = layout->topsep * dh;
767 prev = outerHook(pit, paragraphs());
768 if (prev != paragraphs().end()) {
769 maxasc += int(prev->layout()->parsep * dh);
770 } else if (pit != paragraphs().begin()) {
771 ParagraphList::iterator prior_pit = boost::prior(pit);
772 if (prior_pit->getDepth() != 0 ||
773 prior_pit->layout() == layout) {
774 maxasc += int(layout->parsep * dh);
779 // is it a bottom line?
780 if (row.endpos() >= pit->size()) {
781 // add the layout spaces, for example before and after
782 // a section, or between the items of a itemize or enumerate
784 ParagraphList::iterator nextpit = boost::next(pit);
785 if (nextpit != paragraphs().end()) {
786 ParagraphList::iterator cpit = pit;
790 if (cpit->getDepth() > nextpit->getDepth()) {
791 usual = cpit->layout()->bottomsep * dh;
792 cpit = depthHook(cpit, paragraphs(), nextpit->getDepth());
793 if (cpit->layout() != nextpit->layout()
794 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
796 unusual = cpit->layout()->bottomsep * dh;
798 layoutdesc = max(unusual, usual);
799 } else if (cpit->getDepth() == nextpit->getDepth()) {
800 if (cpit->layout() != nextpit->layout()
801 || nextpit->getLabelWidthString() != cpit->getLabelWidthString())
802 layoutdesc = int(cpit->layout()->bottomsep * dh);
807 // incalculate the layout spaces
808 maxasc += int(layoutasc * 2 / (2 + pit->getDepth()));
809 maxdesc += int(layoutdesc * 2 / (2 + pit->getDepth()));
811 row.height(maxasc + maxdesc + labeladdon);
812 row.baseline(maxasc + labeladdon);
813 row.top_of_text(row.baseline() - font_metrics::maxAscent(font));
817 void LyXText::breakParagraph(LCursor & cur, char keep_layout)
819 BOOST_ASSERT(this == cur.text());
820 // allow only if at start or end, or all previous is new text
821 Paragraph & cpar = cur.paragraph();
822 ParagraphList::iterator cpit = getPar(cur.par());
824 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
825 && cpar.isChangeEdited(0, cur.pos()))
828 LyXTextClass const & tclass =
829 bv()->buffer()->params().getLyXTextClass();
830 LyXLayout_ptr const & layout = cpar.layout();
832 // this is only allowed, if the current paragraph is not empty
833 // or caption and if it has not the keepempty flag active
834 if (cur.lastpos() == 0 && !cpar.allowEmpty()
835 && layout->labeltype != LABEL_SENSITIVE)
838 // a layout change may affect also the following paragraph
839 recUndo(cur.par(), parOffset(undoSpan(cpit)) - 1);
841 // Always break behind a space
842 // It is better to erase the space (Dekel)
843 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
844 cpar.erase(cur.pos());
846 // break the paragraph
850 keep_layout = layout->isEnvironment();
852 // we need to set this before we insert the paragraph. IMO the
853 // breakParagraph call should return a bool if it inserts the
854 // paragraph before or behind and we should react on that one
855 // but we can fix this in 1.3.0 (Jug 20020509)
856 bool const isempty = cpar.allowEmpty() && cpar.empty();
857 ::breakParagraph(bv()->buffer()->params(), paragraphs(), cpit,
858 cur.pos(), keep_layout);
860 cpit = getPar(cur.par());
861 ParagraphList::iterator next_par = boost::next(cpit);
863 // well this is the caption hack since one caption is really enough
864 if (layout->labeltype == LABEL_SENSITIVE) {
866 // set to standard-layout
867 cpit->applyLayout(tclass.defaultLayout());
869 // set to standard-layout
870 next_par->applyLayout(tclass.defaultLayout());
873 // if the cursor is at the beginning of a row without prior newline,
875 // This touches only the screen-update. Otherwise we would may have
876 // an empty row on the screen
877 if (cur.pos() != 0 && cur.textRow().pos() == cur.pos()
878 && !cpit->isNewline(cur.pos() - 1))
880 cursorLeft(cur, true);
883 while (!next_par->empty() && next_par->isNewline(0))
888 redoParagraph(next_par);
890 // This check is necessary. Otherwise the new empty paragraph will
891 // be deleted automatically. And it is more friendly for the user!
892 if (cur.pos() != 0 || isempty)
893 setCursor(cur, cur.par() + 1, 0);
895 setCursor(cur, cur.par(), 0);
899 // convenience function
900 void LyXText::redoParagraph(LCursor & cur)
902 BOOST_ASSERT(this == cur.text());
903 cur.clearSelection();
904 redoParagraph(getPar(cur.par()));
905 setCursorIntern(cur, cur.par(), cur.pos());
909 // insert a character, moves all the following breaks in the
910 // same Paragraph one to the right and make a rebreak
911 void LyXText::insertChar(LCursor & cur, char c)
913 BOOST_ASSERT(this == cur.text());
914 recordUndo(cur, Undo::INSERT);
916 Paragraph & par = cur.paragraph();
917 // try to remove this
918 ParagraphList::iterator pit = getPar(cur.par());
920 bool const freeSpacing = par.layout()->free_spacing ||
923 if (lyxrc.auto_number) {
924 static string const number_operators = "+-/*";
925 static string const number_unary_operators = "+-";
926 static string const number_seperators = ".,:";
928 if (current_font.number() == LyXFont::ON) {
929 if (!IsDigit(c) && !contains(number_operators, c) &&
930 !(contains(number_seperators, c) &&
932 cur.pos() != cur.lastpos() &&
933 getFont(pit, cur.pos()).number() == LyXFont::ON &&
934 getFont(pit, cur.pos() - 1).number() == LyXFont::ON)
936 number(cur); // Set current_font.number to OFF
937 } else if (IsDigit(c) &&
938 real_current_font.isVisibleRightToLeft()) {
939 number(cur); // Set current_font.number to ON
941 if (cur.pos() != 0) {
942 char const c = par.getChar(cur.pos() - 1);
943 if (contains(number_unary_operators, c) &&
945 || par.isSeparator(cur.pos() - 2)
946 || par.isNewline(cur.pos() - 2))
948 setCharFont(pit, cur.pos() - 1, current_font);
949 } else if (contains(number_seperators, c)
951 && getFont(pit, cur.pos() - 2).number() == LyXFont::ON) {
952 setCharFont(pit, cur.pos() - 1, current_font);
958 // First check, if there will be two blanks together or a blank at
959 // the beginning of a paragraph.
960 // I decided to handle blanks like normal characters, the main
961 // difference are the special checks when calculating the row.fill
962 // (blank does not count at the end of a row) and the check here
964 // The bug is triggered when we type in a description environment:
965 // The current_font is not changed when we go from label to main text
966 // and it should (along with realtmpfont) when we type the space.
967 // CHECK There is a bug here! (Asger)
969 // store the current font. This is because of the use of cursor
970 // movements. The moving cursor would refresh the current font
971 LyXFont realtmpfont = real_current_font;
972 LyXFont rawtmpfont = current_font;
974 // When the free-spacing option is set for the current layout,
975 // disable the double-space checking
976 if (!freeSpacing && IsLineSeparatorChar(c)) {
977 if (cur.pos() == 0) {
978 static bool sent_space_message = false;
979 if (!sent_space_message) {
980 cur.message(_("You cannot insert a space at the "
981 "beginning of a paragraph. Please read the Tutorial."));
982 sent_space_message = true;
986 BOOST_ASSERT(cur.pos() > 0);
987 if (par.isLineSeparator(cur.pos() - 1)
988 || par.isNewline(cur.pos() - 1)) {
989 static bool sent_space_message = false;
990 if (!sent_space_message) {
991 cur.message(_("You cannot type two spaces this way. "
992 "Please read the Tutorial."));
993 sent_space_message = true;
999 // Here case LyXText::InsertInset already inserted the character
1000 if (c != Paragraph::META_INSET)
1001 par.insertChar(cur.pos(), c);
1003 setCharFont(pit, cur.pos(), rawtmpfont);
1005 current_font = rawtmpfont;
1006 real_current_font = realtmpfont;
1008 setCursor(cur, cur.par(), cur.pos() + 1, false, cur.boundary());
1013 void LyXText::charInserted()
1015 // Here we call finishUndo for every 20 characters inserted.
1016 // This is from my experience how emacs does it. (Lgb)
1017 static unsigned int counter;
1027 void LyXText::prepareToPrint(ParagraphList::iterator pit, Row & row) const
1029 double w = row.fill();
1030 double fill_hfill = 0;
1031 double fill_label_hfill = 0;
1032 double fill_separator = 0;
1036 pit->isRightToLeftPar(bv()->buffer()->params());
1038 x = rightMargin(*pit);
1040 x = leftMargin(pit, row.pos());
1042 // is there a manual margin with a manual label
1043 LyXLayout_ptr const & layout = pit->layout();
1045 if (layout->margintype == MARGIN_MANUAL
1046 && layout->labeltype == LABEL_MANUAL) {
1047 /// We might have real hfills in the label part
1048 int nlh = numberOfLabelHfills(*pit, row);
1050 // A manual label par (e.g. List) has an auto-hfill
1051 // between the label text and the body of the
1053 // But we don't want to do this auto hfill if the par
1058 if (nlh && !pit->getLabelWidthString().empty())
1059 fill_label_hfill = labelFill(pit, row) / double(nlh);
1062 // are there any hfills in the row?
1063 int const nh = numberOfHfills(*pit, row);
1067 fill_hfill = w / nh;
1068 // we don't have to look at the alignment if it is ALIGN_LEFT and
1069 // if the row is already larger then the permitted width as then
1070 // we force the LEFT_ALIGN'edness!
1071 } else if (int(row.width()) < textWidth()) {
1072 // is it block, flushleft or flushright?
1073 // set x how you need it
1075 if (pit->params().align() == LYX_ALIGN_LAYOUT)
1076 align = layout->align;
1078 align = pit->params().align();
1080 // Display-style insets should always be on a centred row
1081 // The test on pit->size() is to catch zero-size pars, which
1082 // would trigger the assert in Paragraph::getInset().
1083 //inset = pit->size() ? pit->getInset(row.pos()) : 0;
1085 && pit->isInset(row.pos())
1086 && pit->getInset(row.pos())->display())
1088 align = LYX_ALIGN_CENTER;
1092 case LYX_ALIGN_BLOCK: {
1093 int const ns = numberOfSeparators(*pit, row);
1094 bool disp_inset = false;
1095 if (row.endpos() < pit->size()) {
1096 InsetBase * in = pit->getInset(row.endpos());
1098 disp_inset = in->display();
1100 // If we have separators, this is not the last row of a
1101 // par, does not end in newline, and is not row above a
1102 // display inset... then stretch it
1104 && row.endpos() < pit->size()
1105 && !pit->isNewline(row.endpos() - 1)
1108 fill_separator = w / ns;
1109 } else if (is_rtl) {
1114 case LYX_ALIGN_RIGHT:
1117 case LYX_ALIGN_CENTER:
1123 bidi.computeTables(*pit, *bv()->buffer(), row);
1125 pos_type body_pos = pit->beginOfBody();
1126 pos_type end = row.endpos();
1129 && (body_pos > end || !pit->isLineSeparator(body_pos - 1)))
1131 x += font_metrics::width(layout->labelsep, getLabelFont(pit));
1132 if (body_pos <= end)
1133 x += fill_label_hfill;
1137 row.fill_hfill(fill_hfill);
1138 row.fill_label_hfill(fill_label_hfill);
1139 row.fill_separator(fill_separator);
1144 // the cursor set functions have a special mechanism. When they
1145 // realize, that you left an empty paragraph, they will delete it.
1147 void LyXText::cursorRightOneWord(LCursor & cur)
1149 BOOST_ASSERT(this == cur.text());
1150 if (cur.pos() == cur.lastpos() && cur.par() != cur.lastpar()) {
1154 // Skip through initial nonword stuff.
1155 // Treat floats and insets as words.
1156 while (cur.pos() != cur.lastpos() && !cur.paragraph().isWord(cur.pos()))
1158 // Advance through word.
1159 while (cur.pos() != cur.lastpos() && cur.paragraph().isWord(cur.pos()))
1162 setCursor(cur, cur.par(), cur.pos());
1166 void LyXText::cursorLeftOneWord(LCursor & cur)
1168 BOOST_ASSERT(this == cur.text());
1169 if (cur.pos() == 0 && cur.par() != 0) {
1171 cur.pos() = cur.lastpos();
1173 // Skip through initial nonword stuff.
1174 // Treat floats and insets as words.
1175 while (cur.pos() != 0 && !cur.paragraph().isWord(cur.pos() - 1))
1177 // Advance through word.
1178 while (cur.pos() != 0 && cur.paragraph().isWord(cur.pos() - 1))
1181 setCursor(cur, cur.par(), cur.pos());
1185 void LyXText::selectWord(LCursor & cur, word_location loc)
1187 BOOST_ASSERT(this == cur.text());
1188 CursorSlice from = cur.current();
1189 CursorSlice to = cur.current();
1190 getWord(from, to, loc);
1191 if (cur.current() != from)
1192 setCursor(cur, from.par(), from.pos());
1196 setCursor(cur, to.par(), to.pos());
1201 // Select the word currently under the cursor when no
1202 // selection is currently set
1203 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1205 BOOST_ASSERT(this == cur.text());
1206 if (cur.selection())
1208 selectWord(cur, loc);
1209 return cur.selection();
1213 void LyXText::acceptChange(LCursor & cur)
1215 BOOST_ASSERT(this == cur.text());
1216 if (!cur.selection() && cur.lastpos() != 0)
1219 CursorSlice const & startc = cur.selBegin();
1220 CursorSlice const & endc = cur.selEnd();
1221 if (startc.par() == endc.par()) {
1222 recordUndoSelection(cur, Undo::INSERT);
1223 getPar(startc)->acceptChange(startc.pos(), endc.pos());
1225 cur.clearSelection();
1226 redoParagraph(getPar(startc));
1227 setCursorIntern(cur, startc.par(), 0);
1229 #warning handle multi par selection
1233 void LyXText::rejectChange(LCursor & cur)
1235 BOOST_ASSERT(this == cur.text());
1236 if (!cur.selection() && cur.lastpos() != 0)
1239 CursorSlice const & startc = cur.selBegin();
1240 CursorSlice const & endc = cur.selEnd();
1241 if (startc.par() == endc.par()) {
1242 recordUndoSelection(cur, Undo::INSERT);
1243 getPar(startc)->rejectChange(startc.pos(), endc.pos());
1245 cur.clearSelection();
1246 redoParagraph(getPar(startc));
1247 setCursorIntern(cur, startc.par(), 0);
1249 #warning handle multi par selection
1253 // Delete from cursor up to the end of the current or next word.
1254 void LyXText::deleteWordForward(LCursor & cur)
1256 BOOST_ASSERT(this == cur.text());
1257 if (cur.lastpos() == 0)
1258 cursorRight(cur, true);
1261 cur.selection() = true;
1262 cursorRightOneWord(cur);
1264 cutSelection(cur, true, false);
1269 // Delete from cursor to start of current or prior word.
1270 void LyXText::deleteWordBackward(LCursor & cur)
1272 BOOST_ASSERT(this == cur.text());
1273 if (cur.lastpos() == 0)
1274 cursorLeft(cur, true);
1277 cur.selection() = true;
1278 cursorLeftOneWord(cur);
1280 cutSelection(cur, true, false);
1285 // Kill to end of line.
1286 void LyXText::deleteLineForward(LCursor & cur)
1288 BOOST_ASSERT(this == cur.text());
1289 if (cur.lastpos() == 0) {
1290 // Paragraph is empty, so we just go to the right
1291 cursorRight(cur, true);
1294 cur.selection() = true; // to avoid deletion
1297 // What is this test for ??? (JMarc)
1298 if (!cur.selection())
1299 deleteWordForward(cur);
1301 cutSelection(cur, true, false);
1306 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1308 BOOST_ASSERT(this == cur.text());
1312 if (cur.selection()) {
1313 from = cur.selBegin();
1317 getWord(from, to, lyx::PARTIAL_WORD);
1318 setCursor(cur, to.par(), to.pos() + 1);
1321 recordUndoSelection(cur);
1323 pos_type pos = from.pos();
1324 int par = from.par();
1326 while (par != int(paragraphs().size()) &&
1327 (pos != to.pos() || par != to.par())) {
1328 ParagraphList::iterator pit = getPar(par);
1329 if (pos == pit->size()) {
1334 unsigned char c = pit->getChar(pos);
1335 if (c != Paragraph::META_INSET) {
1337 case text_lowercase:
1340 case text_capitalization:
1342 action = text_lowercase;
1344 case text_uppercase:
1350 pit->setChar(pos, c);
1356 void LyXText::Delete(LCursor & cur)
1358 BOOST_ASSERT(this == cur.text());
1359 // this is a very simple implementation
1360 // just move to the right
1361 // if you had success make a backspace
1362 size_t oldpar = cur.par();
1363 if (cursorRight(cur, true)) {
1364 recordUndo(cur, Undo::DELETE, oldpar);
1370 void LyXText::backspace(LCursor & cur)
1372 BOOST_ASSERT(this == cur.text());
1373 if (cur.pos() == 0) {
1374 // The cursor is at the beginning of a paragraph, so
1375 // the the backspace will collapse two paragraphs into
1378 // but it's not allowed unless it's new
1379 Paragraph & par = cur.paragraph();
1380 if (par.isChangeEdited(0, par.size()))
1383 // we may paste some paragraphs
1385 // is it an empty paragraph?
1386 pos_type lastpos = cur.lastpos();
1387 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1388 // This is an empty paragraph and we delete it just
1389 // by moving the cursor one step
1390 // left and let the DeleteEmptyParagraphMechanism
1391 // handle the actual deletion of the paragraph.
1393 if (cur.par() != 0) {
1394 cursorLeft(cur, true);
1395 // the layout things can change the height of a row !
1402 recordUndo(cur, Undo::DELETE, cur.par() - 1);
1404 ParagraphList::iterator tmppit = getPar(cur.par());
1405 // We used to do cursorLeftIntern() here, but it is
1406 // not a good idea since it triggers the auto-delete
1407 // mechanism. So we do a cursorLeftIntern()-lite,
1408 // without the dreaded mechanism. (JMarc)
1409 if (cur.par() != 0) {
1410 // steps into the above paragraph.
1411 setCursorIntern(cur, cur.par() - 1,
1412 getPar(cur.par() - 1)->size(),
1416 // Pasting is not allowed, if the paragraphs have different
1417 // layout. I think it is a real bug of all other
1418 // word processors to allow it. It confuses the user.
1419 // Correction: Pasting is always allowed with standard-layout
1420 Buffer & buf = *bv()->buffer();
1421 BufferParams const & bufparams = buf.params();
1422 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1423 ParagraphList::iterator const cpit = getPar(cur.par());
1426 && (cpit->layout() == tmppit->layout()
1427 || tmppit->layout() == tclass.defaultLayout())
1428 && cpit->getAlign() == tmppit->getAlign()) {
1429 mergeParagraph(bufparams, buf.paragraphs(), cpit);
1431 if (cur.pos() != 0 && cpit->isSeparator(cur.pos() - 1))
1434 // the counters may have changed
1436 setCursor(cur, cur.par(), cur.pos(), false);
1439 // this is the code for a normal backspace, not pasting
1441 recordUndo(cur, Undo::DELETE);
1442 // We used to do cursorLeftIntern() here, but it is
1443 // not a good idea since it triggers the auto-delete
1444 // mechanism. So we do a cursorLeftIntern()-lite,
1445 // without the dreaded mechanism. (JMarc)
1446 setCursorIntern(cur, cur.par(), cur.pos() - 1,
1447 false, cur.boundary());
1448 cur.paragraph().erase(cur.pos());
1451 if (cur.pos() == cur.lastpos())
1452 setCurrentFont(cur);
1455 setCursor(cur, cur.par(), cur.pos(), false, cur.boundary());
1459 ParagraphList::iterator LyXText::cursorPar() const
1461 //lyxerr << "### cursorPar: cursor: " << bv()->cursor() << endl;
1462 //lyxerr << "xxx cursorPar: cursor: " << cursor() << endl;
1463 return getPar(cursor().par());
1467 ParagraphList::iterator LyXText::getPar(CursorSlice const & cur) const
1469 return getPar(cur.par());
1473 ParagraphList::iterator LyXText::getPar(int par) const
1475 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1476 BOOST_ASSERT(par >= 0);
1477 BOOST_ASSERT(par < int(paragraphs().size()));
1478 ParagraphList::iterator pit = paragraphs().begin();
1484 // y is relative to this LyXText's top
1486 LyXText::getRowNearY(int y, ParagraphList::iterator & pit) const
1488 BOOST_ASSERT(!paragraphs().empty());
1489 BOOST_ASSERT(!paragraphs().begin()->rows.empty());
1491 ParagraphList::iterator const
1492 pend = boost::prior(paragraphs().end());
1493 pit = paragraphs().begin();
1494 while (int(pit->y + pit->height) < y && pit != pend)
1497 RowList::iterator rit = pit->rows.end();
1498 RowList::iterator const rbegin = pit->rows.begin();
1501 } while (rit != rbegin && int(pit->y + rit->y_offset()) > y);
1505 pit = boost::prior(paragraphs().end());
1507 RowList::iterator rit = lastRow();
1508 RowList::iterator rbegin = firstRow();
1510 while (rit != rbegin && int(pit->y + rit->y_offset()) > y)
1511 previousRow(pit, rit);
1518 int LyXText::getDepth() const
1520 return cursorPar()->getDepth();
1524 RowList::iterator LyXText::firstRow() const
1526 return paragraphs().front().rows.begin();
1530 RowList::iterator LyXText::lastRow() const
1532 return boost::prior(endRow());
1536 RowList::iterator LyXText::endRow() const
1538 return paragraphs().back().rows.end();
1542 void LyXText::nextRow(ParagraphList::iterator & pit,
1543 RowList::iterator & rit) const
1546 if (rit == pit->rows.end()) {
1548 if (pit == paragraphs().end())
1551 rit = pit->rows.begin();
1556 void LyXText::previousRow(ParagraphList::iterator & pit,
1557 RowList::iterator & rit) const
1559 if (rit != pit->rows.begin())
1562 BOOST_ASSERT(pit != paragraphs().begin());
1564 rit = boost::prior(pit->rows.end());
1569 int LyXText::parOffset(ParagraphList::iterator pit) const
1571 return distance(paragraphs().begin(), pit);
1575 void LyXText::redoParagraphInternal(ParagraphList::iterator pit)
1577 // remove rows of paragraph, keep track of height changes
1578 height -= pit->height;
1586 InsetList::iterator ii = pit->insetlist.begin();
1587 InsetList::iterator iend = pit->insetlist.end();
1588 for (; ii != iend; ++ii) {
1590 int const w = textWidth() - leftMargin(pit) - rightMargin(*pit);
1591 MetricsInfo mi(bv(), getFont(pit, ii->pos), w);
1592 ii->inset->metrics(mi, dim);
1595 // rebreak the paragraph
1596 pit->setBeginOfBody();
1600 rowBreakPoint(pit, row);
1602 fill(pit, row, textwidth_);
1603 prepareToPrint(pit, row);
1604 setHeightOfRow(pit, row);
1605 row.y_offset(pit->height);
1606 pit->rows.push_back(row);
1607 pit->width = std::max(pit->width, row.width());
1608 pit->height += row.height();
1609 } while (z < pit->size());
1611 height += pit->height;
1612 //lyxerr << "redoParagraph: " << pit->rows.size() << " rows\n";
1616 void LyXText::redoParagraphs(ParagraphList::iterator pit,
1617 ParagraphList::iterator end)
1619 for ( ; pit != end; ++pit)
1620 redoParagraphInternal(pit);
1621 updateParPositions();
1625 void LyXText::redoParagraph(ParagraphList::iterator pit)
1627 redoParagraphInternal(pit);
1628 updateParPositions();
1632 void LyXText::fullRebreak()
1634 redoParagraphs(paragraphs().begin(), paragraphs().end());
1635 bv()->cursor().resetAnchor();
1639 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1641 //BOOST_ASSERT(mi.base.textwidth);
1642 if (mi.base.textwidth)
1643 textwidth_ = mi.base.textwidth;
1644 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1645 // << " textWidth: " << textWidth() << "\nfont: " << mi.base.font << endl;
1647 // Rebuild row cache. This recomputes height as well.
1648 redoParagraphs(paragraphs().begin(), paragraphs().end());
1650 width = maxParagraphWidth(paragraphs());
1653 dim.asc = firstRow()->ascent_of_text();
1654 dim.des = height - dim.asc;
1659 // only used for inset right now. should also be used for main text
1660 void LyXText::draw(PainterInfo & pi, int x, int y) const
1664 paintTextInset(*this, pi, x, y);
1668 // only used for inset right now. should also be used for main text
1669 void LyXText::drawSelection(PainterInfo &, int, int) const
1671 //lyxerr << "LyXText::drawSelection at " << x << " " << y << endl;
1675 bool LyXText::isLastRow(ParagraphList::iterator pit, Row const & row) const
1677 return row.endpos() >= pit->size()
1678 && boost::next(pit) == paragraphs().end();
1682 bool LyXText::isFirstRow(ParagraphList::iterator pit, Row const & row) const
1684 return row.pos() == 0 && pit == paragraphs().begin();
1688 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1689 word_location const loc)
1691 Paragraph & from_par = *getPar(from);
1693 case lyx::WHOLE_WORD_STRICT:
1694 if (from.pos() == 0 || from.pos() == from_par.size()
1695 || from_par.isSeparator(from.pos())
1696 || from_par.isKomma(from.pos())
1697 || from_par.isNewline(from.pos())
1698 || from_par.isSeparator(from.pos() - 1)
1699 || from_par.isKomma(from.pos() - 1)
1700 || from_par.isNewline(from.pos() - 1)) {
1704 // no break here, we go to the next
1706 case lyx::WHOLE_WORD:
1707 // Move cursor to the beginning, when not already there.
1708 if (from.pos() && !from_par.isSeparator(from.pos() - 1)
1709 && !(from_par.isKomma(from.pos() - 1)
1710 || from_par.isNewline(from.pos() - 1)))
1711 cursorLeftOneWord(bv()->cursor());
1713 case lyx::PREVIOUS_WORD:
1714 // always move the cursor to the beginning of previous word
1715 cursorLeftOneWord(bv()->cursor());
1717 case lyx::NEXT_WORD:
1718 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1721 case lyx::PARTIAL_WORD:
1725 Paragraph & to_par = *getPar(to);
1726 while (to.pos() < to_par.size()
1727 && !to_par.isSeparator(to.pos())
1728 && !to_par.isKomma(to.pos())
1729 && !to_par.isNewline(to.pos())
1730 && !to_par.isHfill(to.pos())
1731 && !to_par.isInset(to.pos()))
1738 void LyXText::write(Buffer const & buf, std::ostream & os) const
1740 ParagraphList::const_iterator pit = paragraphs().begin();
1741 ParagraphList::const_iterator end = paragraphs().end();
1742 Paragraph::depth_type dth = 0;
1743 for (; pit != end; ++pit)
1744 pit->write(buf, os, buf.params(), dth);
1748 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1750 static Change current_change;
1752 bool the_end_read = false;
1753 ParagraphList::iterator pit = paragraphs().begin();
1754 Paragraph::depth_type depth = 0;
1756 while (lex.isOK()) {
1758 string token = lex.getString();
1765 if (token == "\\end_inset") {
1766 the_end_read = true;
1770 if (token == "\\end_document") {
1771 lex.printError("\\end_document read in inset! Error in document!");
1777 if (token == "\\end_document") {
1778 the_end_read = true;
1787 if (token == "\\begin_layout") {
1788 lex.pushToken(token);
1791 par.params().depth(depth);
1792 if (buf.params().tracking_changes)
1794 LyXFont f(LyXFont::ALL_INHERIT, buf.params().language);
1798 if (pit != paragraphs().end())
1801 pit = paragraphs().insert(pit, par);
1803 // FIXME: goddamn InsetTabular makes us pass a Buffer
1805 ::readParagraph(buf, *pit, lex);
1807 } else if (token == "\\begin_deeper") {
1809 } else if (token == "\\end_deeper") {
1811 lex.printError("\\end_deeper: " "depth is already null");
1820 return the_end_read;
1824 int LyXText::ascent() const
1826 return firstRow()->ascent_of_text();
1830 int LyXText::descent() const
1832 return height - firstRow()->ascent_of_text();
1836 int LyXText::cursorX(CursorSlice const & cur) const
1838 ParagraphList::iterator pit = getPar(cur);
1839 if (pit->rows.empty())
1841 Row const & row = *pit->getRow(cur.pos());
1842 pos_type pos = cur.pos();
1843 pos_type cursor_vpos = 0;
1845 double fill_separator = row.fill_separator();
1846 double fill_hfill = row.fill_hfill();
1847 double fill_label_hfill = row.fill_label_hfill();
1848 pos_type const row_pos = row.pos();
1849 pos_type const end = row.endpos();
1852 cursor_vpos = row_pos;
1853 else if (pos >= end)
1854 cursor_vpos = (pit->isRightToLeftPar(bv()->buffer()->params()))
1856 else if (pos > row_pos && pos >= end)
1857 // Place cursor after char at (logical) position pos - 1
1858 cursor_vpos = (bidi.level(pos - 1) % 2 == 0)
1859 ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
1861 // Place cursor before char at (logical) position pos
1862 cursor_vpos = (bidi.level(pos) % 2 == 0)
1863 ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
1865 pos_type body_pos = pit->beginOfBody();
1867 (body_pos > end || !pit->isLineSeparator(body_pos - 1)))
1870 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
1871 pos_type pos = bidi.vis2log(vpos);
1872 if (body_pos > 0 && pos == body_pos - 1) {
1873 x += fill_label_hfill
1874 + font_metrics::width(pit->layout()->labelsep,
1876 if (pit->isLineSeparator(body_pos - 1))
1877 x -= singleWidth(pit, body_pos - 1);
1880 if (hfillExpansion(*pit, row, pos)) {
1881 x += singleWidth(pit, pos);
1882 if (pos >= body_pos)
1885 x += fill_label_hfill;
1886 } else if (pit->isSeparator(pos)) {
1887 x += singleWidth(pit, pos);
1888 if (pos >= body_pos)
1889 x += fill_separator;
1891 x += singleWidth(pit, pos);
1893 return xo_ + int(x);
1897 int LyXText::cursorY(CursorSlice const & cur) const
1899 Paragraph & par = *getPar(cur);
1900 Row & row = *par.getRow(cur.pos());
1901 return yo_ + par.y + row.y_offset() + row.baseline();
1905 CursorSlice & LyXText::cursor()
1907 //lyxerr << "# accessing slice " << findText(this) << endl;
1908 if (this != bv()->cursor().text()) {
1909 lyxerr << "cursor: " << bv()->cursor()
1910 << "\ntext: " << bv()->cursor().text()
1911 << "\nthis: " << this << endl;
1912 BOOST_ASSERT(false);
1914 return bv()->cursor().current();
1918 CursorSlice const & LyXText::cursor() const
1920 if (this != bv()->cursor().text()) {
1921 lyxerr << "cursor: " << bv()->cursor()
1922 << "\ntext: " << bv()->cursor().text()
1923 << "\nthis: " << this << endl;
1924 BOOST_ASSERT(false);
1926 return bv()->cursor().current();
1930 void LyXText::replaceSelection(LCursor & cur)
1932 BOOST_ASSERT(this == cur.text());
1933 if (cur.selection()) {
1934 cutSelection(cur, true, false);
1940 // Returns the current font and depth as a message.
1941 string LyXText::currentState(LCursor & cur)
1943 BOOST_ASSERT(this == cur.text());
1944 Buffer * buffer = bv()->buffer();
1945 Paragraph const & par = cur.paragraph();
1946 std::ostringstream os;
1948 bool const show_change = buffer->params().tracking_changes
1949 && cur.pos() != cur.lastpos()
1950 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
1953 Change change = par.lookupChangeFull(cur.pos());
1954 Author const & a = buffer->params().authors().get(change.author);
1955 os << _("Change: ") << a.name();
1956 if (!a.email().empty())
1957 os << " (" << a.email() << ")";
1958 if (change.changetime)
1959 os << _(" at ") << ctime(&change.changetime);
1963 // I think we should only show changes from the default
1965 LyXFont font = real_current_font;
1966 font.reduce(buffer->params().getLyXTextClass().defaultfont());
1968 // avoid _(...) re-entrance problem
1969 string const s = font.stateText(&buffer->params());
1970 os << bformat(_("Font: %1$s"), s);
1972 // os << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
1974 // The paragraph depth
1975 int depth = getDepth();
1977 os << bformat(_(", Depth: %1$s"), tostr(depth));
1979 // The paragraph spacing, but only if different from
1981 Spacing const & spacing = par.params().spacing();
1982 if (!spacing.isDefault()) {
1983 os << _(", Spacing: ");
1984 switch (spacing.getSpace()) {
1985 case Spacing::Single:
1988 case Spacing::Onehalf:
1991 case Spacing::Double:
1994 case Spacing::Other:
1995 os << _("Other (") << spacing.getValue() << ')';
1997 case Spacing::Default:
1998 // should never happen, do nothing
2002 #ifdef DEVEL_VERSION
2003 os << _(", Paragraph: ") << par.id();
2004 os << _(", Position: ") << cur.pos();
2005 Row & row = cur.textRow();
2006 os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2007 os << _(", Inset: ");
2008 InsetOld * inset = par.inInset();
2010 os << inset << " owner: " << inset->owner();
2018 string LyXText::getPossibleLabel(LCursor & cur) const
2020 ParagraphList & plist = paragraphs();
2021 ParagraphList::iterator pit = getPar(cur.par());
2023 LyXLayout_ptr layout = pit->layout();
2025 if (layout->latextype == LATEX_PARAGRAPH && pit != plist.begin()) {
2026 ParagraphList::iterator pit2 = boost::prior(pit);
2028 LyXLayout_ptr const & layout2 = pit2->layout();
2030 if (layout2->latextype != LATEX_PARAGRAPH) {
2036 string text = layout->latexname().substr(0, 3);
2037 if (layout->latexname() == "theorem")
2038 text = "thm"; // Create a correct prefix for prettyref
2041 if (layout->latextype == LATEX_PARAGRAPH ||
2042 lyxrc.label_init_length < 0)
2045 string par_text = pit->asString(*cur.bv().buffer(), false);
2046 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2047 if (par_text.empty())
2050 par_text = split(par_text, head, ' ');
2051 // Is it legal to use spaces in labels ?