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 "buffer_funcs.h"
24 #include "bufferparams.h"
25 #include "BufferView.h"
27 #include "pariterator.h"
28 #include "coordcache.h"
29 #include "CutAndPaste.h"
31 #include "dispatchresult.h"
33 #include "errorlist.h"
34 #include "funcrequest.h"
36 #include "FontIterator.h"
40 #include "lyxlength.h"
44 #include "lyxrow_funcs.h"
45 #include "metricsinfo.h"
46 #include "paragraph.h"
47 #include "paragraph_funcs.h"
48 #include "ParagraphParameters.h"
49 #include "rowpainter.h"
52 #include "WordLangTuple.h"
54 #include "frontends/font_metrics.h"
55 #include "frontends/LyXView.h"
56 #include "frontends/Painter.h"
58 #include "insets/insettext.h"
59 #include "insets/insetbibitem.h"
60 #include "insets/insethfill.h"
61 #include "insets/insetlatexaccent.h"
62 #include "insets/insetline.h"
63 #include "insets/insetnewline.h"
64 #include "insets/insetpagebreak.h"
65 #include "insets/insetoptarg.h"
66 #include "insets/insetspace.h"
67 #include "insets/insetspecialchar.h"
68 #include "insets/insettabular.h"
70 #include "support/lstrings.h"
71 #include "support/textutils.h"
72 #include "support/convert.h"
74 #include <boost/current_function.hpp>
81 using lyx::word_location;
83 using lyx::support::bformat;
84 using lyx::support::contains;
85 using lyx::support::lowercase;
86 using lyx::support::split;
87 using lyx::support::uppercase;
89 using lyx::cap::cutSelection;
102 int numberOfSeparators(Paragraph const & par, Row const & row)
104 pos_type const first = max(row.pos(), par.beginOfBody());
105 pos_type const last = row.endpos() - 1;
107 for (pos_type p = first; p < last; ++p) {
108 if (par.isSeparator(p))
115 int numberOfLabelHfills(Paragraph const & par, Row const & row)
117 pos_type last = row.endpos() - 1;
118 pos_type first = row.pos();
120 // hfill *DO* count at the beginning of paragraphs!
122 while (first < last && par.isHfill(first))
126 last = min(last, par.beginOfBody());
128 for (pos_type p = first; p < last; ++p) {
136 int numberOfHfills(Paragraph const & par, Row const & row)
138 pos_type const last = row.endpos() - 1;
139 pos_type first = row.pos();
141 // hfill *DO* count at the beginning of paragraphs!
143 while (first < last && par.isHfill(first))
147 first = max(first, par.beginOfBody());
150 for (pos_type p = first; p < last; ++p) {
158 void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
159 string const & token, LyXFont & font, Change & change)
161 BufferParams const & bp = buf.params();
163 if (token[0] != '\\') {
164 string::const_iterator cit = token.begin();
165 for (; cit != token.end(); ++cit)
166 par.insertChar(par.size(), (*cit), font, change);
167 } else if (token == "\\begin_layout") {
169 string layoutname = lex.getString();
171 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
174 LyXTextClass const & tclass = bp.getLyXTextClass();
176 if (layoutname.empty()) {
177 layoutname = tclass.defaultLayoutName();
180 bool hasLayout = tclass.hasLayout(layoutname);
183 buf.error(ErrorItem(_("Unknown layout"),
184 bformat(_("Layout '%1$s' does not exist in textclass '%2$s'\nTrying to use the default instead.\n"),
185 layoutname, tclass.name()), par.id(), 0, par.size()));
186 layoutname = tclass.defaultLayoutName();
189 par.layout(bp.getLyXTextClass()[layoutname]);
191 // Test whether the layout is obsolete.
192 LyXLayout_ptr const & layout = par.layout();
193 if (!layout->obsoleted_by().empty())
194 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
196 par.params().read(lex);
198 } else if (token == "\\end_layout") {
199 lyxerr << BOOST_CURRENT_FUNCTION
200 << ": Solitary \\end_layout in line "
201 << lex.getLineNo() << "\n"
202 << "Missing \\begin_layout?.\n";
203 } else if (token == "\\end_inset") {
204 lyxerr << BOOST_CURRENT_FUNCTION
205 << ": Solitary \\end_inset in line "
206 << lex.getLineNo() << "\n"
207 << "Missing \\begin_inset?.\n";
208 } else if (token == "\\begin_inset") {
209 InsetBase * inset = readInset(lex, buf);
211 par.insertInset(par.size(), inset, font, change);
214 string line = lex.getString();
215 buf.error(ErrorItem(_("Unknown Inset"), line,
216 par.id(), 0, par.size()));
218 } else if (token == "\\family") {
220 font.setLyXFamily(lex.getString());
221 } else if (token == "\\series") {
223 font.setLyXSeries(lex.getString());
224 } else if (token == "\\shape") {
226 font.setLyXShape(lex.getString());
227 } else if (token == "\\size") {
229 font.setLyXSize(lex.getString());
230 } else if (token == "\\lang") {
232 string const tok = lex.getString();
233 Language const * lang = languages.getLanguage(tok);
235 font.setLanguage(lang);
237 font.setLanguage(bp.language);
238 lex.printError("Unknown language `$$Token'");
240 } else if (token == "\\numeric") {
242 font.setNumber(font.setLyXMisc(lex.getString()));
243 } else if (token == "\\emph") {
245 font.setEmph(font.setLyXMisc(lex.getString()));
246 } else if (token == "\\bar") {
248 string const tok = lex.getString();
251 font.setUnderbar(LyXFont::ON);
252 else if (tok == "no")
253 font.setUnderbar(LyXFont::OFF);
254 else if (tok == "default")
255 font.setUnderbar(LyXFont::INHERIT);
257 lex.printError("Unknown bar font flag "
259 } else if (token == "\\noun") {
261 font.setNoun(font.setLyXMisc(lex.getString()));
262 } else if (token == "\\color") {
264 font.setLyXColor(lex.getString());
265 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
267 // Insets don't make sense in a free-spacing context! ---Kayvan
268 if (par.isFreeSpacing()) {
269 if (token == "\\InsetSpace")
270 par.insertChar(par.size(), ' ', font, change);
271 else if (lex.isOK()) {
273 string const next_token = lex.getString();
274 if (next_token == "\\-")
275 par.insertChar(par.size(), '-', font, change);
277 lex.printError("Token `$$Token' "
279 "paragraph layout!");
283 auto_ptr<InsetBase> inset;
284 if (token == "\\SpecialChar" )
285 inset.reset(new InsetSpecialChar);
287 inset.reset(new InsetSpace);
288 inset->read(buf, lex);
289 par.insertInset(par.size(), inset.release(),
292 } else if (token == "\\i") {
293 auto_ptr<InsetBase> inset(new InsetLatexAccent);
294 inset->read(buf, lex);
295 par.insertInset(par.size(), inset.release(), font, change);
296 } else if (token == "\\backslash") {
297 par.insertChar(par.size(), '\\', font, change);
298 } else if (token == "\\newline") {
299 auto_ptr<InsetBase> inset(new InsetNewline);
300 inset->read(buf, lex);
301 par.insertInset(par.size(), inset.release(), font, change);
302 } else if (token == "\\LyXTable") {
303 auto_ptr<InsetBase> inset(new InsetTabular(buf));
304 inset->read(buf, lex);
305 par.insertInset(par.size(), inset.release(), font, change);
306 } else if (token == "\\bibitem") {
307 InsetCommandParams p("bibitem", "dummy");
308 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
309 inset->read(buf, lex);
310 par.insertInset(par.size(), inset.release(), font, change);
311 } else if (token == "\\hfill") {
312 par.insertInset(par.size(), new InsetHFill, font, change);
313 } else if (token == "\\lyxline") {
314 par.insertInset(par.size(), new InsetLine, font, change);
315 } else if (token == "\\newpage") {
316 par.insertInset(par.size(), new InsetPagebreak, font, change);
317 } else if (token == "\\change_unchanged") {
318 // Hack ! Needed for empty paragraphs :/
319 // FIXME: is it still ??
324 change = Change(Change::UNCHANGED);
325 } else if (token == "\\change_inserted") {
327 std::istringstream is(lex.getString());
331 change = Change(Change::INSERTED, bp.author_map[aid], ct);
332 } else if (token == "\\change_deleted") {
334 std::istringstream is(lex.getString());
338 change = Change(Change::DELETED, bp.author_map[aid], ct);
341 buf.error(ErrorItem(_("Unknown token"),
342 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
343 par.id(), 0, par.size()));
348 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
351 string token = lex.getString();
357 readParToken(buf, par, lex, token, font, change);
360 token = lex.getString();
365 if (token == "\\end_layout") {
366 //Ok, paragraph finished
370 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
371 << token << '\'' << endl;
372 if (token == "\\begin_layout" || token == "\\end_document"
373 || token == "\\end_inset" || token == "\\begin_deeper"
374 || token == "\\end_deeper") {
375 lex.pushToken(token);
376 lyxerr << "Paragraph ended in line "
377 << lex.getLineNo() << "\n"
378 << "Missing \\end_layout.\n";
382 // Final change goes to paragraph break:
383 par.setChangeFull(par.size(), change);
385 // Initialize begin_of_body_ on load; redoParagraph maintains
386 par.setBeginOfBody();
394 BufferView * LyXText::bv() const
396 BOOST_ASSERT(bv_owner != 0);
401 double LyXText::spacing(Paragraph const & par) const
403 if (par.params().spacing().isDefault())
404 return bv()->buffer()->params().spacing().getValue();
405 return par.params().spacing().getValue();
409 int LyXText::width() const
415 int LyXText::height() const
417 return dim_.height();
421 int LyXText::singleWidth(Paragraph const & par, pos_type pos) const
423 return singleWidth(par, pos, par.getChar(pos), getFont(par, pos));
427 int LyXText::singleWidth(Paragraph const & par,
428 pos_type pos, char_type c, LyXFont const & font) const
430 // The most common case is handled first (Asger)
431 if (isPrintable(c)) {
432 Language const * language = font.language();
433 if (language->rightToLeft()) {
434 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
435 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
436 && language->lang() == "arabic") {
437 if (Encodings::isComposeChar_arabic(c))
439 c = par.transformChar(c, pos);
440 } else if (language->lang() == "hebrew" &&
441 Encodings::isComposeChar_hebrew(c))
444 return font_metrics::width(c, font);
447 if (c == Paragraph::META_INSET)
448 return par.getInset(pos)->width();
450 return font_metrics::width(c, font);
454 int LyXText::leftMargin(pit_type pit) const
456 BOOST_ASSERT(pit >= 0);
457 BOOST_ASSERT(pit < int(pars_.size()));
458 return leftMargin(pit, pars_[pit].size());
462 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
464 BOOST_ASSERT(pit >= 0);
465 BOOST_ASSERT(pit < int(pars_.size()));
466 Paragraph const & par = pars_[pit];
467 BOOST_ASSERT(pos >= 0);
468 BOOST_ASSERT(pos <= par.size());
469 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
470 LyXTextClass const & tclass =
471 bv()->buffer()->params().getLyXTextClass();
472 LyXLayout_ptr const & layout = par.layout();
474 string parindent = layout->parindent;
479 l_margin += changebarMargin();
481 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
483 if (par.getDepth() != 0) {
484 // find the next level paragraph
485 pit_type newpar = outerHook(pit, pars_);
486 if (newpar != pit_type(pars_.size())) {
487 if (pars_[newpar].layout()->isEnvironment()) {
488 l_margin = leftMargin(newpar);
490 if (par.layout() == tclass.defaultLayout()) {
491 if (pars_[newpar].params().noindent())
494 parindent = pars_[newpar].layout()->parindent;
499 // This happens after sections in standard classes. The 1.3.x
500 // code compared depths too, but it does not seem necessary
502 if (par.layout() == tclass.defaultLayout()
503 && pit > 0 && pars_[pit - 1].layout()->nextnoindent)
506 LyXFont const labelfont = getLabelFont(par);
507 switch (layout->margintype) {
509 if (!layout->leftmargin.empty())
510 l_margin += font_metrics::signedWidth(layout->leftmargin,
511 tclass.defaultfont());
512 if (!par.getLabelstring().empty()) {
513 l_margin += font_metrics::signedWidth(layout->labelindent,
515 l_margin += font_metrics::width(par.getLabelstring(),
517 l_margin += font_metrics::width(layout->labelsep, labelfont);
522 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
523 // The width of an empty par, even with manual label, should be 0
524 if (!par.empty() && pos >= par.beginOfBody()) {
525 if (!par.getLabelWidthString().empty()) {
526 l_margin += font_metrics::width(par.getLabelWidthString(),
528 l_margin += font_metrics::width(layout->labelsep, labelfont);
534 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
535 / (par.getDepth() + 4);
538 case MARGIN_FIRST_DYNAMIC:
539 if (layout->labeltype == LABEL_MANUAL) {
540 if (pos >= par.beginOfBody()) {
541 l_margin += font_metrics::signedWidth(layout->leftmargin,
544 l_margin += font_metrics::signedWidth(layout->labelindent,
548 // Special case to fix problems with
550 || (layout->labeltype == LABEL_STATIC
551 && layout->latextype == LATEX_ENVIRONMENT
552 && !isFirstInSequence(pit, pars_))) {
553 l_margin += font_metrics::signedWidth(layout->leftmargin,
555 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
556 && layout->labeltype != LABEL_BIBLIO
557 && layout->labeltype !=
558 LABEL_CENTERED_TOP_ENVIRONMENT) {
559 l_margin += font_metrics::signedWidth(layout->labelindent,
561 l_margin += font_metrics::width(layout->labelsep, labelfont);
562 l_margin += font_metrics::width(par.getLabelstring(),
567 case MARGIN_RIGHT_ADDRESS_BOX: {
569 // ok, a terrible hack. The left margin depends on the widest
570 // row in this paragraph.
571 RowList::iterator rit = par.rows().begin();
572 RowList::iterator end = par.rows().end();
574 #warning This is wrong.
576 int minfill = maxwidth_;
577 for ( ; rit != end; ++rit)
578 if (rit->fill() < minfill)
579 minfill = rit->fill();
580 l_margin += font_metrics::signedWidth(layout->leftmargin,
581 tclass.defaultfont());
584 // also wrong, but much shorter.
585 l_margin += maxwidth_ / 2;
590 if (!par.params().leftIndent().zero())
591 l_margin += par.params().leftIndent().inPixels(maxwidth_);
595 if (par.params().align() == LYX_ALIGN_LAYOUT)
596 align = layout->align;
598 align = par.params().align();
600 // set the correct parindent
602 && (layout->labeltype == LABEL_NO_LABEL
603 || layout->labeltype == LABEL_TOP_ENVIRONMENT
604 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
605 || (layout->labeltype == LABEL_STATIC
606 && layout->latextype == LATEX_ENVIRONMENT
607 && !isFirstInSequence(pit, pars_)))
608 && align == LYX_ALIGN_BLOCK
609 && !par.params().noindent()
610 // in some insets, paragraphs are never indented
611 && !(par.inInset() && par.inInset()->neverIndent())
612 // display style insets are always centered, omit indentation
615 && par.getInset(pos)->display())
616 && (par.layout() != tclass.defaultLayout()
617 || bv()->buffer()->params().paragraph_separation ==
618 BufferParams::PARSEP_INDENT))
620 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
627 int LyXText::rightMargin(Paragraph const & par) const
629 // We do not want rightmargins on inner texts.
630 if (bv()->text() != this)
633 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
636 + font_metrics::signedWidth(tclass.rightmargin(),
637 tclass.defaultfont())
638 + font_metrics::signedWidth(par.layout()->rightmargin,
639 tclass.defaultfont())
640 * 4 / (par.getDepth() + 4);
646 int LyXText::labelEnd(pit_type const pit) const
648 // labelEnd is only needed if the layout fills a flushleft label.
649 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
651 // return the beginning of the body
652 return leftMargin(pit);
658 // this needs special handling - only newlines count as a break point
659 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
661 pos_type const end = par.size();
664 if (par.isNewline(i))
673 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
675 Paragraph const & par = pars_[pit];
676 pos_type const end = par.size();
677 pos_type const pos = row.pos();
683 // maximum pixel width of a row
684 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
690 LyXLayout_ptr const & layout = par.layout();
692 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
693 row.endpos(addressBreakPoint(pos, par));
697 pos_type const body_pos = par.beginOfBody();
700 // Now we iterate through until we reach the right margin
701 // or the end of the par, then choose the possible break
704 int const left = leftMargin(pit, pos);
707 // pixel width since last breakpoint
710 FontIterator fi = FontIterator(*this, par, pos);
711 pos_type point = end;
713 for ( ; i < end; ++i, ++fi) {
714 char_type const c = par.getChar(i);
715 int thiswidth = singleWidth(par, i, c, *fi);
717 // add the auto-hfill from label end to the body
718 if (body_pos && i == body_pos) {
719 int add = font_metrics::width(layout->labelsep, getLabelFont(par));
720 if (par.isLineSeparator(i - 1))
721 add -= singleWidth(par, i - 1);
723 add = std::max(add, labelEnd(pit) - x);
728 chunkwidth += thiswidth;
730 // break before a character that will fall off
731 // the right of the row
733 // if no break before, break here
734 if (point == end || chunkwidth >= width - left) {
741 // exit on last registered breakpoint:
745 if (par.isNewline(i)) {
751 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
756 if (par.isInset(i) && par.getInset(i)->display()) {
762 if (!par.isInset(i) || par.getInset(i)->isChar()) {
763 // some insets are line separators too
764 if (par.isLineSeparator(i)) {
765 // register breakpoint:
772 // maybe found one, but the par is short enough.
773 if (i == end && x < width)
776 // manual labels cannot be broken in LaTeX. But we
777 // want to make our on-screen rendering of footnotes
779 if (body_pos && point < body_pos)
786 void LyXText::setRowWidth(pit_type const pit, Row & row) const
788 // get the pure distance
789 pos_type const end = row.endpos();
791 Paragraph const & par = pars_[pit];
792 string const & labelsep = par.layout()->labelsep;
793 int w = leftMargin(pit, row.pos());
795 pos_type const body_pos = par.beginOfBody();
796 pos_type i = row.pos();
799 FontIterator fi = FontIterator(*this, par, i);
800 for ( ; i < end; ++i, ++fi) {
801 if (body_pos > 0 && i == body_pos) {
802 w += font_metrics::width(labelsep, getLabelFont(par));
803 if (par.isLineSeparator(i - 1))
804 w -= singleWidth(par, i - 1);
805 w = max(w, labelEnd(pit));
807 char_type const c = par.getChar(i);
808 w += singleWidth(par, i, c, *fi);
812 if (body_pos > 0 && body_pos >= end) {
813 w += font_metrics::width(labelsep, getLabelFont(par));
814 if (end > 0 && par.isLineSeparator(end - 1))
815 w -= singleWidth(par, end - 1);
816 w = max(w, labelEnd(pit));
819 row.width(w + rightMargin(par));
823 // returns the minimum space a manual label needs on the screen in pixel
824 int LyXText::labelFill(Paragraph const & par, Row const & row) const
826 pos_type last = par.beginOfBody();
828 BOOST_ASSERT(last > 0);
830 // -1 because a label ends with a space that is in the label
833 // a separator at this end does not count
834 if (par.isLineSeparator(last))
838 for (pos_type i = row.pos(); i <= last; ++i)
839 w += singleWidth(par, i);
841 string const & label = par.params().labelWidthString();
845 return max(0, font_metrics::width(label, getLabelFont(par)) - w);
849 LColor_color LyXText::backgroundColor() const
851 return LColor_color(LColor::color(background_color_));
855 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
857 Paragraph const & par = pars_[pit];
858 // get the maximum ascent and the maximum descent
859 double layoutasc = 0;
860 double layoutdesc = 0;
861 double const dh = defaultRowHeight();
863 // ok, let us initialize the maxasc and maxdesc value.
864 // Only the fontsize count. The other properties
865 // are taken from the layoutfont. Nicer on the screen :)
866 LyXLayout_ptr const & layout = par.layout();
868 // as max get the first character of this row then it can
869 // increase but not decrease the height. Just some point to
870 // start with so we don't have to do the assignment below too
872 LyXFont font = getFont(par, row.pos());
873 LyXFont::FONT_SIZE const tmpsize = font.size();
874 font = getLayoutFont(pit);
875 LyXFont::FONT_SIZE const size = font.size();
876 font.setSize(tmpsize);
878 LyXFont labelfont = getLabelFont(par);
880 // these are minimum values
881 double const spacing_val = layout->spacing.getValue() * spacing(par);
882 //lyxerr << "spacing_val = " << spacing_val << endl;
883 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
884 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
886 // insets may be taller
887 InsetList::const_iterator ii = par.insetlist.begin();
888 InsetList::const_iterator iend = par.insetlist.end();
889 for ( ; ii != iend; ++ii) {
890 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
891 maxasc = max(maxasc, ii->inset->ascent());
892 maxdesc = max(maxdesc, ii->inset->descent());
896 // Check if any custom fonts are larger (Asger)
897 // This is not completely correct, but we can live with the small,
898 // cosmetic error for now.
900 pos_type const pos_end = row.endpos();
902 LyXFont::FONT_SIZE maxsize =
903 par.highestFontInRange(row.pos(), pos_end, size);
904 if (maxsize > font.size()) {
905 font.setSize(maxsize);
906 maxasc = max(maxasc, font_metrics::maxAscent(font));
907 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
910 // This is nicer with box insets:
917 if (row.pos() == 0) {
918 BufferParams const & bufparams = bv()->buffer()->params();
919 // some parksips VERY EASY IMPLEMENTATION
920 if (bv()->buffer()->params().paragraph_separation
921 == BufferParams::PARSEP_SKIP
923 && ((layout->isParagraph() && par.getDepth() == 0)
924 || (pars_[pit - 1].layout()->isParagraph()
925 && pars_[pit - 1].getDepth() == 0)))
927 maxasc += bufparams.getDefSkip().inPixels(*bv());
930 if (par.params().startOfAppendix())
931 maxasc += int(3 * dh);
933 // This is special code for the chapter, since the label of this
934 // layout is printed in an extra row
935 if (layout->counter == "chapter"
936 && !par.params().labelString().empty()) {
937 labeladdon = int(font_metrics::maxHeight(labelfont)
938 * layout->spacing.getValue()
942 // special code for the top label
943 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
944 || layout->labeltype == LABEL_BIBLIO
945 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
946 && isFirstInSequence(pit, paragraphs())
947 && !par.getLabelstring().empty())
950 font_metrics::maxHeight(labelfont)
951 * layout->spacing.getValue()
953 + (layout->topsep + layout->labelbottomsep) * dh);
956 // Add the layout spaces, for example before and after
957 // a section, or between the items of a itemize or enumerate
960 pit_type prev = depthHook(pit, pars_, par.getDepth());
962 && pars_[prev].layout() == layout
963 && pars_[prev].getDepth() == par.getDepth()
964 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
966 layoutasc = layout->itemsep * dh;
967 } else if (pit != 0 || row.pos() != 0) {
968 if (layout->topsep > 0)
969 layoutasc = layout->topsep * dh;
972 prev = outerHook(pit, pars_);
973 if (prev != pit_type(pars_.size())) {
974 maxasc += int(pars_[prev].layout()->parsep * dh);
975 } else if (pit != 0) {
976 if (pars_[pit - 1].getDepth() != 0 ||
977 pars_[pit - 1].layout() == layout) {
978 maxasc += int(layout->parsep * dh);
983 // is it a bottom line?
984 if (row.endpos() >= par.size()) {
985 // add the layout spaces, for example before and after
986 // a section, or between the items of a itemize or enumerate
988 pit_type nextpit = pit + 1;
989 if (nextpit != pit_type(pars_.size())) {
994 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
995 usual = pars_[cpit].layout()->bottomsep * dh;
996 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
997 if (pars_[cpit].layout() != pars_[nextpit].layout()
998 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1000 unusual = pars_[cpit].layout()->bottomsep * dh;
1002 layoutdesc = max(unusual, usual);
1003 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
1004 if (pars_[cpit].layout() != pars_[nextpit].layout()
1005 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1006 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1011 // incalculate the layout spaces
1012 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1013 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1015 // Top and bottom margin of the document (only at top-level)
1016 if (bv_owner->text() == this) {
1017 if (pit == 0 && row.pos() == 0)
1019 if (pit + 1 == pit_type(pars_.size()) &&
1020 row.endpos() == par.size())
1024 row.ascent(maxasc + labeladdon);
1025 row.descent(maxdesc);
1033 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1035 BOOST_ASSERT(this == cur.text());
1037 Paragraph & cpar = cur.paragraph();
1038 pit_type cpit = cur.pit();
1040 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1041 LyXLayout_ptr const & layout = cpar.layout();
1043 // this is only allowed, if the current paragraph is not empty
1044 // or caption and if it has not the keepempty flag active
1045 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1046 && layout->labeltype != LABEL_SENSITIVE)
1049 // a layout change may affect also the following paragraph
1050 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1052 // Always break behind a space
1053 // It is better to erase the space (Dekel)
1054 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1055 cpar.erase(cur.pos());
1057 // How should the layout for the new paragraph be?
1058 int preserve_layout = 0;
1060 preserve_layout = 2;
1062 preserve_layout = layout->isEnvironment();
1064 // We need to remember this before we break the paragraph, because
1065 // that invalidates the layout variable
1066 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1068 // we need to set this before we insert the paragraph.
1069 bool const isempty = cpar.allowEmpty() && cpar.empty();
1071 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1072 cur.pos(), preserve_layout);
1074 // After this, neither paragraph contains any rows!
1077 pit_type next_par = cpit + 1;
1079 // well this is the caption hack since one caption is really enough
1082 // set to standard-layout
1083 pars_[cpit].applyLayout(tclass.defaultLayout());
1085 // set to standard-layout
1086 pars_[next_par].applyLayout(tclass.defaultLayout());
1089 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1090 pars_[next_par].erase(0);
1092 ParIterator current_it(cur);
1093 ParIterator next_it(cur); next_it.pit() = next_par;
1095 if (needsUpdateCounters(cur.buffer(), current_it)
1096 || needsUpdateCounters(cur.buffer(), next_it))
1097 updateCounters(cur.buffer());
1099 // Mark "carriage return" as inserted if change tracking:
1100 if (cur.buffer().params().tracking_changes) {
1101 cur.paragraph().setChange(cur.paragraph().size(),
1105 // This check is necessary. Otherwise the new empty paragraph will
1106 // be deleted automatically. And it is more friendly for the user!
1107 if (cur.pos() != 0 || isempty)
1108 setCursor(cur, cur.pit() + 1, 0);
1110 setCursor(cur, cur.pit(), 0);
1114 // insert a character, moves all the following breaks in the
1115 // same Paragraph one to the right and make a rebreak
1116 void LyXText::insertChar(LCursor & cur, char_type c)
1118 BOOST_ASSERT(this == cur.text());
1119 BOOST_ASSERT(c != Paragraph::META_INSET);
1121 recordUndo(cur, Undo::INSERT);
1123 Paragraph & par = cur.paragraph();
1124 // try to remove this
1125 pit_type const pit = cur.pit();
1127 bool const freeSpacing = par.layout()->free_spacing ||
1128 par.isFreeSpacing();
1130 if (lyxrc.auto_number) {
1131 static string const number_operators = "+-/*";
1132 static string const number_unary_operators = "+-";
1133 static string const number_seperators = ".,:";
1135 if (current_font.number() == LyXFont::ON) {
1136 if (!isDigit(c) && !contains(number_operators, c) &&
1137 !(contains(number_seperators, c) &&
1139 cur.pos() != cur.lastpos() &&
1140 getFont(par, cur.pos()).number() == LyXFont::ON &&
1141 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1143 number(cur); // Set current_font.number to OFF
1144 } else if (isDigit(c) &&
1145 real_current_font.isVisibleRightToLeft()) {
1146 number(cur); // Set current_font.number to ON
1148 if (cur.pos() != 0) {
1149 char_type const c = par.getChar(cur.pos() - 1);
1150 if (contains(number_unary_operators, c) &&
1152 || par.isSeparator(cur.pos() - 2)
1153 || par.isNewline(cur.pos() - 2))
1155 setCharFont(pit, cur.pos() - 1, current_font);
1156 } else if (contains(number_seperators, c)
1158 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1159 setCharFont(pit, cur.pos() - 1, current_font);
1165 // First check, if there will be two blanks together or a blank at
1166 // the beginning of a paragraph.
1167 // I decided to handle blanks like normal characters, the main
1168 // difference are the special checks when calculating the row.fill
1169 // (blank does not count at the end of a row) and the check here
1171 // When the free-spacing option is set for the current layout,
1172 // disable the double-space checking
1173 if (!freeSpacing && isLineSeparatorChar(c)) {
1174 if (cur.pos() == 0) {
1175 static bool sent_space_message = false;
1176 if (!sent_space_message) {
1177 cur.message(_("You cannot insert a space at the "
1178 "beginning of a paragraph. Please read the Tutorial."));
1179 sent_space_message = true;
1183 BOOST_ASSERT(cur.pos() > 0);
1184 if ((par.isLineSeparator(cur.pos() - 1)
1185 || par.isNewline(cur.pos() - 1))
1186 && par.lookupChange(cur.pos() - 1) != Change::DELETED) {
1187 static bool sent_space_message = false;
1188 if (!sent_space_message) {
1189 cur.message(_("You cannot type two spaces this way. "
1190 "Please read the Tutorial."));
1191 sent_space_message = true;
1197 par.insertChar(cur.pos(), c, current_font);
1198 setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1203 void LyXText::charInserted()
1205 // Here we call finishUndo for every 20 characters inserted.
1206 // This is from my experience how emacs does it. (Lgb)
1207 static unsigned int counter;
1218 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1221 Paragraph const & par = pars_[pit];
1223 double w = dim_.wid - row.width();
1225 bool const is_rtl = isRTL(par);
1227 result.x = rightMargin(par);
1229 result.x = leftMargin(pit, row.pos());
1231 // is there a manual margin with a manual label
1232 LyXLayout_ptr const & layout = par.layout();
1234 if (layout->margintype == MARGIN_MANUAL
1235 && layout->labeltype == LABEL_MANUAL) {
1236 /// We might have real hfills in the label part
1237 int nlh = numberOfLabelHfills(par, row);
1239 // A manual label par (e.g. List) has an auto-hfill
1240 // between the label text and the body of the
1242 // But we don't want to do this auto hfill if the par
1247 if (nlh && !par.getLabelWidthString().empty())
1248 result.label_hfill = labelFill(par, row) / double(nlh);
1251 // are there any hfills in the row?
1252 int const nh = numberOfHfills(par, row);
1256 result.hfill = w / nh;
1257 // we don't have to look at the alignment if it is ALIGN_LEFT and
1258 // if the row is already larger then the permitted width as then
1259 // we force the LEFT_ALIGN'edness!
1260 } else if (int(row.width()) < maxwidth_) {
1261 // is it block, flushleft or flushright?
1262 // set x how you need it
1264 if (par.params().align() == LYX_ALIGN_LAYOUT)
1265 align = layout->align;
1267 align = par.params().align();
1269 // Display-style insets should always be on a centred row
1270 // The test on par.size() is to catch zero-size pars, which
1271 // would trigger the assert in Paragraph::getInset().
1272 //inset = par.size() ? par.getInset(row.pos()) : 0;
1274 && par.isInset(row.pos())
1275 && par.getInset(row.pos())->display())
1277 align = LYX_ALIGN_CENTER;
1281 case LYX_ALIGN_BLOCK: {
1282 int const ns = numberOfSeparators(par, row);
1283 bool disp_inset = false;
1284 if (row.endpos() < par.size()) {
1285 InsetBase const * in = par.getInset(row.endpos());
1287 disp_inset = in->display();
1289 // If we have separators, this is not the last row of a
1290 // par, does not end in newline, and is not row above a
1291 // display inset... then stretch it
1293 && row.endpos() < par.size()
1294 && !par.isNewline(row.endpos() - 1)
1297 result.separator = w / ns;
1298 } else if (is_rtl) {
1303 case LYX_ALIGN_RIGHT:
1306 case LYX_ALIGN_CENTER:
1312 bidi.computeTables(par, *bv()->buffer(), row);
1314 pos_type body_pos = par.beginOfBody();
1315 pos_type end = row.endpos();
1318 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1320 result.x += font_metrics::width(layout->labelsep, getLabelFont(par));
1321 if (body_pos <= end)
1322 result.x += result.label_hfill;
1330 // the cursor set functions have a special mechanism. When they
1331 // realize, that you left an empty paragraph, they will delete it.
1333 bool LyXText::cursorRightOneWord(LCursor & cur)
1335 BOOST_ASSERT(this == cur.text());
1339 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1343 // Advance through word.
1344 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1346 // Skip through trailing nonword stuff.
1347 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1350 return setCursor(cur, old.pit(), old.pos());
1354 bool LyXText::cursorLeftOneWord(LCursor & cur)
1356 BOOST_ASSERT(this == cur.text());
1360 if (old.pos() == 0 && old.pit() != 0) {
1362 old.pos() = old.lastpos();
1364 // Skip through initial nonword stuff.
1365 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1367 // Advance through word.
1368 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1371 return setCursor(cur, old.pit(), old.pos());
1375 void LyXText::selectWord(LCursor & cur, word_location loc)
1377 BOOST_ASSERT(this == cur.text());
1378 CursorSlice from = cur.top();
1379 CursorSlice to = cur.top();
1380 getWord(from, to, loc);
1381 if (cur.top() != from)
1382 setCursor(cur, from.pit(), from.pos());
1386 setCursor(cur, to.pit(), to.pos());
1391 // Select the word currently under the cursor when no
1392 // selection is currently set
1393 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1395 BOOST_ASSERT(this == cur.text());
1396 if (cur.selection())
1398 selectWord(cur, loc);
1399 return cur.selection();
1403 void LyXText::acceptChange(LCursor & cur)
1405 BOOST_ASSERT(this == cur.text());
1406 if (!cur.selection() && cur.lastpos() != 0)
1409 recordUndoSelection(cur, Undo::INSERT);
1411 DocIterator it = cur.selectionBegin();
1412 DocIterator et = cur.selectionEnd();
1413 pit_type pit = it.pit();
1414 Change::Type const type = pars_[pit].lookupChange(it.pos());
1415 for (; pit <= et.pit(); ++pit) {
1416 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1418 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1419 pars_[pit].acceptChange(left, right);
1421 if (type == Change::DELETED) {
1422 ParagraphList & plist = paragraphs();
1423 if (it.pit() + 1 < et.pit())
1424 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1425 boost::next(plist.begin(), et.pit()));
1427 // Paragraph merge if appropriate:
1428 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1429 == Change::DELETED) {
1430 setCursorIntern(cur, it.pit() + 1, 0);
1435 cur.clearSelection();
1436 setCursorIntern(cur, it.pit(), 0);
1440 void LyXText::rejectChange(LCursor & cur)
1442 BOOST_ASSERT(this == cur.text());
1443 if (!cur.selection() && cur.lastpos() != 0)
1446 recordUndoSelection(cur, Undo::INSERT);
1448 DocIterator it = cur.selectionBegin();
1449 DocIterator et = cur.selectionEnd();
1450 pit_type pit = it.pit();
1451 Change::Type const type = pars_[pit].lookupChange(it.pos());
1452 for (; pit <= et.pit(); ++pit) {
1453 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1455 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1456 pars_[pit].rejectChange(left, right);
1458 if (type == Change::INSERTED) {
1459 ParagraphList & plist = paragraphs();
1460 if (it.pit() + 1 < et.pit())
1461 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1462 boost::next(plist.begin(), et.pit()));
1463 // Paragraph merge if appropriate:
1464 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1465 == Change::INSERTED) {
1466 setCursorIntern(cur, it.pit() + 1, 0);
1471 cur.clearSelection();
1472 setCursorIntern(cur, it.pit(), 0);
1476 // Delete from cursor up to the end of the current or next word.
1477 void LyXText::deleteWordForward(LCursor & cur)
1479 BOOST_ASSERT(this == cur.text());
1480 if (cur.lastpos() == 0)
1484 cur.selection() = true;
1485 cursorRightOneWord(cur);
1487 cutSelection(cur, true, false);
1492 // Delete from cursor to start of current or prior word.
1493 void LyXText::deleteWordBackward(LCursor & cur)
1495 BOOST_ASSERT(this == cur.text());
1496 if (cur.lastpos() == 0)
1500 cur.selection() = true;
1501 cursorLeftOneWord(cur);
1503 cutSelection(cur, true, false);
1508 // Kill to end of line.
1509 void LyXText::deleteLineForward(LCursor & cur)
1511 BOOST_ASSERT(this == cur.text());
1512 if (cur.lastpos() == 0) {
1513 // Paragraph is empty, so we just go to the right
1517 cur.selection() = true; // to avoid deletion
1520 // What is this test for ??? (JMarc)
1521 if (!cur.selection())
1522 deleteWordForward(cur);
1524 cutSelection(cur, true, false);
1529 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1531 BOOST_ASSERT(this == cur.text());
1535 if (cur.selection()) {
1536 from = cur.selBegin();
1540 getWord(from, to, lyx::PARTIAL_WORD);
1541 cursorRightOneWord(cur);
1544 recordUndoSelection(cur);
1546 pos_type pos = from.pos();
1547 int par = from.pit();
1549 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1551 if (pos == pars_[pit].size()) {
1556 char_type c = pars_[pit].getChar(pos);
1557 if (c != Paragraph::META_INSET) {
1559 case text_lowercase:
1562 case text_capitalization:
1564 action = text_lowercase;
1566 case text_uppercase:
1571 #ifdef WITH_WARNINGS
1574 pars_[pit].setChar(pos, c);
1580 bool LyXText::erase(LCursor & cur)
1582 BOOST_ASSERT(this == cur.text());
1583 bool needsUpdate = false;
1585 if (cur.pos() != cur.lastpos()) {
1586 recordUndo(cur, Undo::DELETE, cur.pit());
1587 setCursorIntern(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1588 needsUpdate = backspace(cur);
1589 if (cur.paragraph().lookupChange(cur.pos()) == Change::DELETED)
1591 } else if (cur.pit() != cur.lastpit()) {
1594 setCursorIntern(cur, cur.pit() + 1, 0, false, false);
1595 if (pars_[cur.pit()].layout() == pars_[scur.pit()].layout()) {
1596 recordUndo(scur, Undo::DELETE, scur.pit());
1597 needsUpdate = backspace(cur);
1598 if (cur.buffer().params().tracking_changes) {
1599 // move forward after the paragraph break is DELETED
1600 Paragraph & par = cur.paragraph();
1601 if (par.lookupChange(par.size()) == Change::DELETED)
1602 setCursorIntern(cur, cur.pit() + 1, 0);
1605 setCursorIntern(scur, scur.pit(), scur.pos(), false, scur.boundary());
1612 bool LyXText::backspacePos0(LCursor & cur)
1614 BOOST_ASSERT(this == cur.text());
1615 bool needsUpdate = false;
1617 Paragraph & par = cur.paragraph();
1618 // is it an empty paragraph?
1619 pos_type lastpos = cur.lastpos();
1620 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1621 // This is an empty paragraph and we delete it just
1622 // by moving the cursor one step
1623 // left and let the DeleteEmptyParagraphMechanism
1624 // handle the actual deletion of the paragraph.
1626 if (cur.pit() != 0) {
1627 // For KeepEmpty layouts we need to get
1628 // rid of the keepEmpty setting first.
1629 // And the only way to do this is to
1630 // reset the layout to something
1631 // else: f.ex. the default layout.
1632 if (par.allowEmpty()) {
1633 Buffer & buf = cur.buffer();
1634 BufferParams const & bparams = buf.params();
1635 par.layout(bparams.getLyXTextClass().defaultLayout());
1644 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1646 pit_type tmppit = cur.pit();
1647 // We used to do cursorLeftIntern() here, but it is
1648 // not a good idea since it triggers the auto-delete
1649 // mechanism. So we do a cursorLeftIntern()-lite,
1650 // without the dreaded mechanism. (JMarc)
1651 if (cur.pit() != 0) {
1652 // steps into the above paragraph.
1653 setCursorIntern(cur, cur.pit() - 1,
1654 pars_[cur.pit() - 1].size(),
1658 // Pasting is not allowed, if the paragraphs have different
1659 // layout. I think it is a real bug of all other
1660 // word processors to allow it. It confuses the user.
1661 // Correction: Pasting is always allowed with standard-layout
1662 // Correction (Jug 20050717): Remove check about alignment!
1663 Buffer & buf = cur.buffer();
1664 BufferParams const & bufparams = buf.params();
1665 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1666 pit_type const cpit = cur.pit();
1669 && (pars_[cpit].layout() == pars_[tmppit].layout()
1670 || pars_[tmppit].layout() == tclass.defaultLayout()))
1672 mergeParagraph(bufparams, pars_, cpit);
1675 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1678 // the counters may have changed
1679 ParIterator par_it(cur);
1680 if (needsUpdateCounters(cur.buffer(), par_it))
1681 updateCounters(cur.buffer());
1683 setCursor(cur, cur.pit(), cur.pos(), false);
1689 bool LyXText::backspace(LCursor & cur)
1691 BOOST_ASSERT(this == cur.text());
1692 bool needsUpdate = false;
1693 if (cur.pos() == 0) {
1694 // The cursor is at the beginning of a paragraph, so
1695 // the the backspace will collapse two paragraphs into
1698 if (cur.pit() != 0 && cur.buffer().params().tracking_changes) {
1699 // Previous paragraph, mark "carriage return" as
1701 Paragraph & par = pars_[cur.pit() - 1];
1702 // Take care of a just inserted para break:
1703 if (par.lookupChange(par.size()) != Change::INSERTED) {
1704 par.setChange(par.size(), Change::DELETED);
1705 setCursorIntern(cur, cur.pit() - 1, par.size());
1710 needsUpdate = backspacePos0(cur);
1713 // this is the code for a normal backspace, not pasting
1715 recordUndo(cur, Undo::DELETE);
1716 // We used to do cursorLeftIntern() here, but it is
1717 // not a good idea since it triggers the auto-delete
1718 // mechanism. So we do a cursorLeftIntern()-lite,
1719 // without the dreaded mechanism. (JMarc)
1720 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1721 false, cur.boundary());
1722 cur.paragraph().erase(cur.pos());
1725 if (cur.pos() == cur.lastpos())
1726 setCurrentFont(cur);
1728 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1734 Row const & LyXText::firstRow() const
1736 return *paragraphs().front().rows().begin();
1740 bool LyXText::redoParagraph(pit_type const pit)
1742 // remove rows of paragraph, keep track of height changes
1743 Paragraph & par = pars_[pit];
1745 // Add bibitem insets if necessary
1746 if (par.layout()->labeltype == LABEL_BIBLIO) {
1747 bool hasbibitem(false);
1748 if (!par.insetlist.empty()
1749 // Insist on it being in pos 0
1750 && par.getChar(0) == Paragraph::META_INSET) {
1751 InsetBase * inset = par.insetlist.begin()->inset;
1752 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1756 InsetBibitem * inset(new
1757 InsetBibitem(InsetCommandParams("bibitem")));
1758 par.insertInset(0, static_cast<InsetBase *>(inset));
1759 bv()->cursor().posRight();
1764 // FIXME: We should always use getFont(), see documentation of
1765 // noFontChange() in insetbase.h.
1766 LyXFont const bufferfont = bv()->buffer()->params().getFont();
1767 InsetList::iterator ii = par.insetlist.begin();
1768 InsetList::iterator iend = par.insetlist.end();
1769 for (; ii != iend; ++ii) {
1771 int const w = maxwidth_ - leftMargin(pit, ii->pos) - rightMargin(par);
1772 LyXFont const & font = ii->inset->noFontChange() ?
1774 getFont(par, ii->pos);
1775 MetricsInfo mi(bv(), font, w);
1776 ii->inset->metrics(mi, dim);
1779 // rebreak the paragraph
1783 par.setBeginOfBody();
1787 rowBreakPoint(pit, row);
1788 setRowWidth(pit, row);
1789 setHeightOfRow(pit, row);
1790 par.rows().push_back(row);
1791 dim.wid = std::max(dim.wid, row.width());
1792 dim.des += row.height();
1794 } while (z < par.size());
1796 // Make sure that if a par ends in newline, there is one more row
1798 // FIXME this is a dirty trick. Now the _same_ position in the
1799 // paragraph occurs in _two_ different rows, and has two different
1800 // display positions, leading to weird behaviour when moving up/down.
1801 if (z > 0 && par.isNewline(z - 1)) {
1804 setRowWidth(pit, row);
1805 setHeightOfRow(pit, row);
1806 par.rows().push_back(row);
1807 dim.des += row.height();
1810 dim.asc += par.rows()[0].ascent();
1811 dim.des -= par.rows()[0].ascent();
1813 bool const same = dim == par.dim();
1816 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1822 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1824 //BOOST_ASSERT(mi.base.textwidth);
1825 if (mi.base.textwidth)
1826 maxwidth_ = mi.base.textwidth;
1827 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1828 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1829 // save the caller's font locally:
1830 font_ = mi.base.font;
1834 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1836 Paragraph & par = paragraphs()[pit];
1838 if (w < par.width())
1843 dim.asc = pars_[0].ascent();
1844 dim.des = h - dim.asc;
1850 // only used for inset right now. should also be used for main text
1851 void LyXText::draw(PainterInfo & pi, int x, int y) const
1853 paintTextInset(*this, pi, x, y);
1858 // only used for inset right now. should also be used for main text
1859 void LyXText::drawSelection(PainterInfo & pi, int x , int) const
1861 LCursor & cur = pi.base.bv->cursor();
1862 if (!cur.selection())
1864 if (!ptr_cmp(cur.text(), this))
1867 lyxerr << "draw selection at " << x << endl;
1869 DocIterator beg = cur.selectionBegin();
1870 DocIterator end = cur.selectionEnd();
1872 // the selection doesn't touch the visible screen
1873 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1874 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1877 Paragraph const & par1 = pars_[beg.pit()];
1878 Paragraph const & par2 = pars_[end.pit()];
1880 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1881 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1884 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1889 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1890 int const startx = cursorX(beg.top(), begin.boundary());
1891 x1 = isRTL(par1) ? startx : 0;
1892 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1896 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1897 y2 = pi.base.bv->workHeight();
1901 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1902 int const endx = cursorX(end.top(), end.boundary());
1903 X1 = isRTL(par2) ? 0 : endx;
1904 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1907 lyxerr << " y1: " << y1 << " y2: " << y2
1908 << " xo: " << xo_ << " wid: " << dim_.wid
1911 // paint big rectangle in one go
1912 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1914 // reset background at begin of first selected line
1915 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1916 LColor::background);
1918 // reset background at end of last selected line
1919 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1920 X2 - X1, row2.height(), LColor::background);
1925 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1927 LCursor & cur = pi.base.bv->cursor();
1928 if (!cur.selection())
1930 if (!ptr_cmp(cur.text(), this))
1933 lyxerr[Debug::DEBUG]
1934 << BOOST_CURRENT_FUNCTION
1935 << "draw selection at " << x
1938 DocIterator beg = cur.selectionBegin();
1939 DocIterator end = cur.selectionEnd();
1941 // the selection doesn't touch the visible screen
1942 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1943 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1946 Paragraph const & par1 = pars_[beg.pit()];
1947 Paragraph const & par2 = pars_[end.pit()];
1949 bool const above = (bv_funcs::status(pi.base.bv, beg)
1950 == bv_funcs::CUR_ABOVE);
1951 bool const below = (bv_funcs::status(pi.base.bv, end)
1952 == bv_funcs::CUR_BELOW);
1960 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1961 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
1962 y2 = y1 + row1.height();
1963 int const startx = cursorX(beg.top(), beg.boundary());
1964 x1 = !isRTL(par1) ? startx : 0;
1965 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
1970 Y1 = pi.base.bv->workHeight();
1971 Y2 = pi.base.bv->workHeight();
1975 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1976 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
1977 Y2 = Y1 + row2.height();
1978 int const endx = cursorX(end.top(), end.boundary());
1979 X1 = !isRTL(par2) ? 0 : endx;
1980 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
1983 if (!above && !below && &par1.getRow(beg.pos(), beg.boundary())
1984 == &par2.getRow(end.pos(), end.boundary()))
1986 // paint only one rectangle
1987 int const b( !isRTL(par1) ? x + x1 : x + X1 );
1988 int const w( !isRTL(par1) ? X2 - x1 : x2 - X1 );
1989 pi.pain.fillRectangle(b, y1, w, y2 - y1, LColor::selection);
1993 lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
1994 << "X1:" << X1 << " x2: " << X2 << " wid: " << dim_.wid
1997 // paint upper rectangle
1998 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
2000 // paint bottom rectangle
2001 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
2003 // paint center rectangle
2004 pi.pain.fillRectangle(x, y2, dim_.wid,
2005 Y1 - y2, LColor::selection);
2009 bool LyXText::isLastRow(pit_type pit, Row const & row) const
2011 return row.endpos() >= pars_[pit].size()
2012 && pit + 1 == pit_type(paragraphs().size());
2016 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
2018 return row.pos() == 0 && pit == 0;
2022 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
2023 word_location const loc)
2025 Paragraph const & from_par = pars_[from.pit()];
2027 case lyx::WHOLE_WORD_STRICT:
2028 if (from.pos() == 0 || from.pos() == from_par.size()
2029 || !from_par.isLetter(from.pos())
2030 || !from_par.isLetter(from.pos() - 1)) {
2034 // no break here, we go to the next
2036 case lyx::WHOLE_WORD:
2037 // If we are already at the beginning of a word, do nothing
2038 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
2040 // no break here, we go to the next
2042 case lyx::PREVIOUS_WORD:
2043 // always move the cursor to the beginning of previous word
2044 while (from.pos() && from_par.isLetter(from.pos() - 1))
2047 case lyx::NEXT_WORD:
2048 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
2051 case lyx::PARTIAL_WORD:
2052 // no need to move the 'from' cursor
2056 Paragraph & to_par = pars_[to.pit()];
2057 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
2062 void LyXText::write(Buffer const & buf, std::ostream & os) const
2064 ParagraphList::const_iterator pit = paragraphs().begin();
2065 ParagraphList::const_iterator end = paragraphs().end();
2066 Paragraph::depth_type dth = 0;
2067 for (; pit != end; ++pit)
2068 pit->write(buf, os, buf.params(), dth);
2072 bool LyXText::read(Buffer const & buf, LyXLex & lex)
2074 Paragraph::depth_type depth = 0;
2076 while (lex.isOK()) {
2078 string const token = lex.getString();
2083 if (token == "\\end_inset") {
2087 if (token == "\\end_body") {
2091 if (token == "\\begin_body") {
2095 if (token == "\\end_document") {
2099 if (token == "\\begin_layout") {
2100 lex.pushToken(token);
2103 par.params().depth(depth);
2104 if (buf.params().tracking_changes)
2106 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2107 pars_.push_back(par);
2109 // FIXME: goddamn InsetTabular makes us pass a Buffer
2111 ::readParagraph(buf, pars_.back(), lex);
2113 } else if (token == "\\begin_deeper") {
2115 } else if (token == "\\end_deeper") {
2117 lex.printError("\\end_deeper: " "depth is already null");
2122 lyxerr << "Handling unknown body token: `"
2123 << token << '\'' << endl;
2130 int LyXText::ascent() const
2136 int LyXText::descent() const
2142 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2144 pit_type const pit = sl.pit();
2145 Paragraph const & par = pars_[pit];
2146 if (par.rows().empty())
2149 pos_type ppos = sl.pos();
2150 // Correct position in front of big insets
2151 bool const boundary_correction = ppos != 0 && boundary;
2152 if (boundary_correction)
2155 Row const & row = par.getRow(sl.pos(), boundary);
2157 pos_type cursor_vpos = 0;
2159 RowMetrics const m = computeRowMetrics(pit, row);
2162 pos_type const row_pos = row.pos();
2163 pos_type const end = row.endpos();
2166 cursor_vpos = row_pos;
2167 else if (ppos >= end)
2168 cursor_vpos = isRTL(par) ? row_pos : end;
2169 else if (ppos > row_pos && ppos >= end)
2170 // Place cursor after char at (logical) position pos - 1
2171 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
2172 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
2174 // Place cursor before char at (logical) position ppos
2175 cursor_vpos = (bidi.level(ppos) % 2 == 0)
2176 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
2178 pos_type body_pos = par.beginOfBody();
2180 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2183 // Use font span to speed things up, see below
2187 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2188 pos_type pos = bidi.vis2log(vpos);
2189 if (body_pos > 0 && pos == body_pos - 1) {
2191 + font_metrics::width(par.layout()->labelsep,
2193 if (par.isLineSeparator(body_pos - 1))
2194 x -= singleWidth(par, body_pos - 1);
2197 // Use font span to speed things up, see above
2198 if (pos < font_span.first || pos > font_span.last) {
2199 font_span = par.fontSpan(pos);
2200 font = getFont(par, pos);
2203 x += singleWidth(par, pos, par.getChar(pos), font);
2205 if (hfillExpansion(par, row, pos))
2206 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
2207 else if (par.isSeparator(pos) && pos >= body_pos)
2211 // see correction above
2212 if (boundary_correction)
2213 if (getFont(par, ppos).isVisibleRightToLeft())
2214 x -= singleWidth(par, ppos);
2216 x += singleWidth(par, ppos);
2218 // Make sure inside an inset we always count from the left
2219 // edge (bidi!) -- MV
2220 if (sl.pos() < par.size()) {
2221 font = getFont(par, sl.pos());
2222 if (!boundary && font.isVisibleRightToLeft()
2223 && par.isInset(sl.pos()))
2224 x -= par.getInset(sl.pos())->width();
2230 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2232 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2233 Paragraph const & par = getPar(sl.pit());
2235 h -= pars_[0].rows()[0].ascent();
2236 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2237 h += pars_[pit].height();
2239 if (pos && boundary)
2241 size_t const rend = par.pos2row(pos);
2242 for (size_t rit = 0; rit != rend; ++rit)
2243 h += par.rows()[rit].height();
2244 h += par.rows()[rend].ascent();
2249 // Returns the current font and depth as a message.
2250 string LyXText::currentState(LCursor & cur)
2252 BOOST_ASSERT(this == cur.text());
2253 Buffer & buf = cur.buffer();
2254 Paragraph const & par = cur.paragraph();
2255 std::ostringstream os;
2257 bool const show_change = buf.params().tracking_changes
2258 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2260 if (buf.params().tracking_changes)
2264 Change change = par.lookupChangeFull(cur.pos());
2265 Author const & a = buf.params().authors().get(change.author);
2266 os << _("Change: ") << a.name();
2267 if (!a.email().empty())
2268 os << " (" << a.email() << ")";
2269 if (change.changetime)
2270 os << _(" at ") << ctime(&change.changetime);
2274 // I think we should only show changes from the default
2276 // No, from the document font (MV)
2277 LyXFont font = real_current_font;
2278 font.reduce(buf.params().getFont());
2280 // avoid _(...) re-entrance problem
2281 string const s = font.stateText(&buf.params());
2282 os << bformat(_("Font: %1$s"), s);
2284 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2286 // The paragraph depth
2287 int depth = cur.paragraph().getDepth();
2289 os << bformat(_(", Depth: %1$d"), depth);
2291 // The paragraph spacing, but only if different from
2293 Spacing const & spacing = par.params().spacing();
2294 if (!spacing.isDefault()) {
2295 os << _(", Spacing: ");
2296 switch (spacing.getSpace()) {
2297 case Spacing::Single:
2300 case Spacing::Onehalf:
2303 case Spacing::Double:
2306 case Spacing::Other:
2307 os << _("Other (") << spacing.getValueAsString() << ')';
2309 case Spacing::Default:
2310 // should never happen, do nothing
2315 #ifdef DEVEL_VERSION
2316 os << _(", Inset: ") << &cur.inset();
2317 os << _(", Paragraph: ") << cur.pit();
2318 os << _(", Id: ") << par.id();
2319 os << _(", Position: ") << cur.pos();
2320 os << _(", Boundary: ") << cur.boundary();
2321 // Row & row = cur.textRow();
2322 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2328 string LyXText::getPossibleLabel(LCursor & cur) const
2330 pit_type pit = cur.pit();
2332 LyXLayout_ptr layout = pars_[pit].layout();
2334 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2335 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2336 if (layout2->latextype != LATEX_PARAGRAPH) {
2342 string name = layout->latexname();
2344 // for captions, we want the abbreviation of the float type
2345 if (layout->labeltype == LABEL_SENSITIVE) {
2346 // Search for the first float or wrap inset in the iterator
2347 size_t i = cur.depth();
2350 InsetBase * const in = &cur[i].inset();
2351 if (in->lyxCode() == InsetBase::FLOAT_CODE
2352 || in->lyxCode() == InsetBase::WRAP_CODE) {
2353 name = in->getInsetName();
2359 string text = name.substr(0, 3);
2360 if (name == "theorem")
2361 text = "thm"; // Create a correct prefix for prettyref
2364 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2367 string par_text = pars_[pit].asString(cur.buffer(), false);
2368 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2369 if (par_text.empty())
2372 par_text = split(par_text, head, ' ');
2373 // Is it legal to use spaces in labels ?
2383 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2387 // Paragraph const & par = pars_[pit];
2388 // Row const & r = par.rows()[row];
2389 // int pos = r.pos();
2390 // for (; currx < x && pos < r.endpos(); ++pos) {
2392 // currx += singleWidth(par, pos);
2394 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2400 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2402 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2404 Row const & r = pars_[pit].rows()[row];
2405 return r.pos() + getColumnNearX(pit, r, x, bound);
2409 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2411 // Paragraph const & par = pars_[pit];
2412 // Row const & r = par.rows()[row];
2418 // x,y are screen coordinates
2419 // sets cursor only within this LyXText
2420 bool LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2422 pit_type pit = getPitNearY(y);
2423 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2424 lyxerr[Debug::DEBUG]
2425 << BOOST_CURRENT_FUNCTION
2429 << " yy: " << yy << endl;
2431 Paragraph const & par = pars_[pit];
2433 BOOST_ASSERT(par.rows().size());
2434 for (; r < int(par.rows().size()) - 1; ++r) {
2435 Row const & row = par.rows()[r];
2436 if (int(yy + row.height()) > y)
2441 Row const & row = par.rows()[r];
2443 lyxerr[Debug::DEBUG]
2444 << BOOST_CURRENT_FUNCTION
2446 << " from pos: " << row.pos()
2451 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2453 lyxerr[Debug::DEBUG]
2454 << BOOST_CURRENT_FUNCTION
2455 << ": setting cursor pit: " << pit
2459 return setCursor(cur, pit, pos, true, bound);