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();
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 if (aid >= bp.author_map.size()) {
332 buf.error(ErrorItem(_("Change tracking error"),
333 bformat(_("Unknown author index for insertion: %1$d\n"), aid),
334 par.id(), 0, par.size()));
336 change = Change(Change::UNCHANGED);
338 change = Change(Change::INSERTED, bp.author_map[aid], ct);
339 } else if (token == "\\change_deleted") {
341 std::istringstream is(lex.getString());
345 if (aid >= bp.author_map.size()) {
346 buf.error(ErrorItem(_("Change tracking error"),
347 bformat(_("Unknown author index for deletion: %1$d\n"), aid),
348 par.id(), 0, par.size()));
350 change = Change(Change::UNCHANGED);
352 change = Change(Change::DELETED, bp.author_map[aid], ct);
355 buf.error(ErrorItem(_("Unknown token"),
356 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
357 par.id(), 0, par.size()));
362 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
365 string token = lex.getString();
371 readParToken(buf, par, lex, token, font, change);
374 token = lex.getString();
379 if (token == "\\end_layout") {
380 //Ok, paragraph finished
384 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
385 << token << '\'' << endl;
386 if (token == "\\begin_layout" || token == "\\end_document"
387 || token == "\\end_inset" || token == "\\begin_deeper"
388 || token == "\\end_deeper") {
389 lex.pushToken(token);
390 lyxerr << "Paragraph ended in line "
391 << lex.getLineNo() << "\n"
392 << "Missing \\end_layout.\n";
396 // Final change goes to paragraph break:
397 par.setChange(par.size(), change);
399 // Initialize begin_of_body_ on load; redoParagraph maintains
400 par.setBeginOfBody();
408 BufferView * LyXText::bv() const
410 BOOST_ASSERT(bv_owner != 0);
415 double LyXText::spacing(Paragraph const & par) const
417 if (par.params().spacing().isDefault())
418 return bv()->buffer()->params().spacing().getValue();
419 return par.params().spacing().getValue();
423 int LyXText::width() const
429 int LyXText::height() const
431 return dim_.height();
435 int LyXText::singleWidth(Paragraph const & par, pos_type pos) const
437 return singleWidth(par, pos, par.getChar(pos), getFont(par, pos));
441 int LyXText::singleWidth(Paragraph const & par,
442 pos_type pos, char_type c, LyXFont const & font) const
444 // The most common case is handled first (Asger)
445 if (isPrintable(c)) {
446 Language const * language = font.language();
447 if (language->rightToLeft()) {
448 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
449 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
450 && language->lang() == "arabic") {
451 if (Encodings::isComposeChar_arabic(c))
453 c = par.transformChar(c, pos);
454 } else if (language->lang() == "hebrew" &&
455 Encodings::isComposeChar_hebrew(c))
458 return font_metrics::width(c, font);
461 if (c == Paragraph::META_INSET)
462 return par.getInset(pos)->width();
464 return font_metrics::width(c, font);
468 int LyXText::leftMargin(pit_type pit) const
470 BOOST_ASSERT(pit >= 0);
471 BOOST_ASSERT(pit < int(pars_.size()));
472 return leftMargin(pit, pars_[pit].size());
476 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
478 BOOST_ASSERT(pit >= 0);
479 BOOST_ASSERT(pit < int(pars_.size()));
480 Paragraph const & par = pars_[pit];
481 BOOST_ASSERT(pos >= 0);
482 BOOST_ASSERT(pos <= par.size());
483 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
484 LyXTextClass const & tclass =
485 bv()->buffer()->params().getLyXTextClass();
486 LyXLayout_ptr const & layout = par.layout();
488 string parindent = layout->parindent;
493 l_margin += changebarMargin();
495 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
497 if (par.getDepth() != 0) {
498 // find the next level paragraph
499 pit_type newpar = outerHook(pit, pars_);
500 if (newpar != pit_type(pars_.size())) {
501 if (pars_[newpar].layout()->isEnvironment()) {
502 l_margin = leftMargin(newpar);
504 if (par.layout() == tclass.defaultLayout()) {
505 if (pars_[newpar].params().noindent())
508 parindent = pars_[newpar].layout()->parindent;
513 // This happens after sections in standard classes. The 1.3.x
514 // code compared depths too, but it does not seem necessary
516 if (par.layout() == tclass.defaultLayout()
517 && pit > 0 && pars_[pit - 1].layout()->nextnoindent)
520 LyXFont const labelfont = getLabelFont(par);
521 switch (layout->margintype) {
523 if (!layout->leftmargin.empty())
524 l_margin += font_metrics::signedWidth(layout->leftmargin,
525 tclass.defaultfont());
526 if (!par.getLabelstring().empty()) {
527 l_margin += font_metrics::signedWidth(layout->labelindent,
529 l_margin += font_metrics::width(par.getLabelstring(),
531 l_margin += font_metrics::width(layout->labelsep, labelfont);
536 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
537 // The width of an empty par, even with manual label, should be 0
538 if (!par.empty() && pos >= par.beginOfBody()) {
539 if (!par.getLabelWidthString().empty()) {
540 l_margin += font_metrics::width(par.getLabelWidthString(),
542 l_margin += font_metrics::width(layout->labelsep, labelfont);
548 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
549 / (par.getDepth() + 4);
552 case MARGIN_FIRST_DYNAMIC:
553 if (layout->labeltype == LABEL_MANUAL) {
554 if (pos >= par.beginOfBody()) {
555 l_margin += font_metrics::signedWidth(layout->leftmargin,
558 l_margin += font_metrics::signedWidth(layout->labelindent,
562 // Special case to fix problems with
564 || (layout->labeltype == LABEL_STATIC
565 && layout->latextype == LATEX_ENVIRONMENT
566 && !isFirstInSequence(pit, pars_))) {
567 l_margin += font_metrics::signedWidth(layout->leftmargin,
569 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
570 && layout->labeltype != LABEL_BIBLIO
571 && layout->labeltype !=
572 LABEL_CENTERED_TOP_ENVIRONMENT) {
573 l_margin += font_metrics::signedWidth(layout->labelindent,
575 l_margin += font_metrics::width(layout->labelsep, labelfont);
576 l_margin += font_metrics::width(par.getLabelstring(),
581 case MARGIN_RIGHT_ADDRESS_BOX: {
583 // ok, a terrible hack. The left margin depends on the widest
584 // row in this paragraph.
585 RowList::iterator rit = par.rows().begin();
586 RowList::iterator end = par.rows().end();
588 #warning This is wrong.
590 int minfill = maxwidth_;
591 for ( ; rit != end; ++rit)
592 if (rit->fill() < minfill)
593 minfill = rit->fill();
594 l_margin += font_metrics::signedWidth(layout->leftmargin,
595 tclass.defaultfont());
598 // also wrong, but much shorter.
599 l_margin += maxwidth_ / 2;
604 if (!par.params().leftIndent().zero())
605 l_margin += par.params().leftIndent().inPixels(maxwidth_);
609 if (par.params().align() == LYX_ALIGN_LAYOUT)
610 align = layout->align;
612 align = par.params().align();
614 // set the correct parindent
616 && (layout->labeltype == LABEL_NO_LABEL
617 || layout->labeltype == LABEL_TOP_ENVIRONMENT
618 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
619 || (layout->labeltype == LABEL_STATIC
620 && layout->latextype == LATEX_ENVIRONMENT
621 && !isFirstInSequence(pit, pars_)))
622 && align == LYX_ALIGN_BLOCK
623 && !par.params().noindent()
624 // in some insets, paragraphs are never indented
625 && !(par.inInset() && par.inInset()->neverIndent())
626 // display style insets are always centered, omit indentation
629 && par.getInset(pos)->display())
630 && (par.layout() != tclass.defaultLayout()
631 || bv()->buffer()->params().paragraph_separation ==
632 BufferParams::PARSEP_INDENT))
634 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
641 int LyXText::rightMargin(Paragraph const & par) const
643 // We do not want rightmargins on inner texts.
644 if (bv()->text() != this)
647 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
650 + font_metrics::signedWidth(tclass.rightmargin(),
651 tclass.defaultfont())
652 + font_metrics::signedWidth(par.layout()->rightmargin,
653 tclass.defaultfont())
654 * 4 / (par.getDepth() + 4);
660 int LyXText::labelEnd(pit_type const pit) const
662 // labelEnd is only needed if the layout fills a flushleft label.
663 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
665 // return the beginning of the body
666 return leftMargin(pit);
672 // this needs special handling - only newlines count as a break point
673 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
675 pos_type const end = par.size();
678 if (par.isNewline(i))
687 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
689 Paragraph const & par = pars_[pit];
690 pos_type const end = par.size();
691 pos_type const pos = row.pos();
697 // maximum pixel width of a row
698 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
704 LyXLayout_ptr const & layout = par.layout();
706 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
707 row.endpos(addressBreakPoint(pos, par));
711 pos_type const body_pos = par.beginOfBody();
714 // Now we iterate through until we reach the right margin
715 // or the end of the par, then choose the possible break
718 int const left = leftMargin(pit, pos);
721 // pixel width since last breakpoint
724 FontIterator fi = FontIterator(*this, par, pos);
725 pos_type point = end;
727 for ( ; i < end; ++i, ++fi) {
728 char_type const c = par.getChar(i);
729 int thiswidth = singleWidth(par, i, c, *fi);
731 // add the auto-hfill from label end to the body
732 if (body_pos && i == body_pos) {
733 int add = font_metrics::width(layout->labelsep, getLabelFont(par));
734 if (par.isLineSeparator(i - 1))
735 add -= singleWidth(par, i - 1);
737 add = std::max(add, labelEnd(pit) - x);
742 chunkwidth += thiswidth;
744 // break before a character that will fall off
745 // the right of the row
747 // if no break before, break here
748 if (point == end || chunkwidth >= width - left) {
755 // exit on last registered breakpoint:
759 if (par.isNewline(i)) {
765 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
770 if (par.isInset(i) && par.getInset(i)->display()) {
776 if (!par.isInset(i) || par.getInset(i)->isChar()) {
777 // some insets are line separators too
778 if (par.isLineSeparator(i)) {
779 // register breakpoint:
786 // maybe found one, but the par is short enough.
787 if (i == end && x < width)
790 // manual labels cannot be broken in LaTeX. But we
791 // want to make our on-screen rendering of footnotes
793 if (body_pos && point < body_pos)
800 void LyXText::setRowWidth(pit_type const pit, Row & row) const
802 // get the pure distance
803 pos_type const end = row.endpos();
805 Paragraph const & par = pars_[pit];
806 string const & labelsep = par.layout()->labelsep;
807 int w = leftMargin(pit, row.pos());
809 pos_type const body_pos = par.beginOfBody();
810 pos_type i = row.pos();
813 FontIterator fi = FontIterator(*this, par, i);
814 for ( ; i < end; ++i, ++fi) {
815 if (body_pos > 0 && i == body_pos) {
816 w += font_metrics::width(labelsep, getLabelFont(par));
817 if (par.isLineSeparator(i - 1))
818 w -= singleWidth(par, i - 1);
819 w = max(w, labelEnd(pit));
821 char_type const c = par.getChar(i);
822 w += singleWidth(par, i, c, *fi);
826 if (body_pos > 0 && body_pos >= end) {
827 w += font_metrics::width(labelsep, getLabelFont(par));
828 if (end > 0 && par.isLineSeparator(end - 1))
829 w -= singleWidth(par, end - 1);
830 w = max(w, labelEnd(pit));
833 row.width(w + rightMargin(par));
837 // returns the minimum space a manual label needs on the screen in pixel
838 int LyXText::labelFill(Paragraph const & par, Row const & row) const
840 pos_type last = par.beginOfBody();
842 BOOST_ASSERT(last > 0);
844 // -1 because a label ends with a space that is in the label
847 // a separator at this end does not count
848 if (par.isLineSeparator(last))
852 for (pos_type i = row.pos(); i <= last; ++i)
853 w += singleWidth(par, i);
855 string const & label = par.params().labelWidthString();
859 return max(0, font_metrics::width(label, getLabelFont(par)) - w);
863 LColor_color LyXText::backgroundColor() const
865 return LColor_color(LColor::color(background_color_));
869 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
871 Paragraph const & par = pars_[pit];
872 // get the maximum ascent and the maximum descent
873 double layoutasc = 0;
874 double layoutdesc = 0;
875 double const dh = defaultRowHeight();
877 // ok, let us initialize the maxasc and maxdesc value.
878 // Only the fontsize count. The other properties
879 // are taken from the layoutfont. Nicer on the screen :)
880 LyXLayout_ptr const & layout = par.layout();
882 // as max get the first character of this row then it can
883 // increase but not decrease the height. Just some point to
884 // start with so we don't have to do the assignment below too
886 LyXFont font = getFont(par, row.pos());
887 LyXFont::FONT_SIZE const tmpsize = font.size();
888 font = getLayoutFont(pit);
889 LyXFont::FONT_SIZE const size = font.size();
890 font.setSize(tmpsize);
892 LyXFont labelfont = getLabelFont(par);
894 // these are minimum values
895 double const spacing_val = layout->spacing.getValue() * spacing(par);
896 //lyxerr << "spacing_val = " << spacing_val << endl;
897 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
898 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
900 // insets may be taller
901 InsetList::const_iterator ii = par.insetlist.begin();
902 InsetList::const_iterator iend = par.insetlist.end();
903 for ( ; ii != iend; ++ii) {
904 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
905 maxasc = max(maxasc, ii->inset->ascent());
906 maxdesc = max(maxdesc, ii->inset->descent());
910 // Check if any custom fonts are larger (Asger)
911 // This is not completely correct, but we can live with the small,
912 // cosmetic error for now.
914 pos_type const pos_end = row.endpos();
916 LyXFont::FONT_SIZE maxsize =
917 par.highestFontInRange(row.pos(), pos_end, size);
918 if (maxsize > font.size()) {
919 font.setSize(maxsize);
920 maxasc = max(maxasc, font_metrics::maxAscent(font));
921 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
924 // This is nicer with box insets:
931 if (row.pos() == 0) {
932 BufferParams const & bufparams = bv()->buffer()->params();
933 // some parksips VERY EASY IMPLEMENTATION
934 if (bv()->buffer()->params().paragraph_separation
935 == BufferParams::PARSEP_SKIP
937 && ((layout->isParagraph() && par.getDepth() == 0)
938 || (pars_[pit - 1].layout()->isParagraph()
939 && pars_[pit - 1].getDepth() == 0)))
941 maxasc += bufparams.getDefSkip().inPixels(*bv());
944 if (par.params().startOfAppendix())
945 maxasc += int(3 * dh);
947 // This is special code for the chapter, since the label of this
948 // layout is printed in an extra row
949 if (layout->counter == "chapter"
950 && !par.params().labelString().empty()) {
951 labeladdon = int(font_metrics::maxHeight(labelfont)
952 * layout->spacing.getValue()
956 // special code for the top label
957 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
958 || layout->labeltype == LABEL_BIBLIO
959 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
960 && isFirstInSequence(pit, paragraphs())
961 && !par.getLabelstring().empty())
964 font_metrics::maxHeight(labelfont)
965 * layout->spacing.getValue()
967 + (layout->topsep + layout->labelbottomsep) * dh);
970 // Add the layout spaces, for example before and after
971 // a section, or between the items of a itemize or enumerate
974 pit_type prev = depthHook(pit, pars_, par.getDepth());
976 && pars_[prev].layout() == layout
977 && pars_[prev].getDepth() == par.getDepth()
978 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
980 layoutasc = layout->itemsep * dh;
981 } else if (pit != 0 || row.pos() != 0) {
982 if (layout->topsep > 0)
983 layoutasc = layout->topsep * dh;
986 prev = outerHook(pit, pars_);
987 if (prev != pit_type(pars_.size())) {
988 maxasc += int(pars_[prev].layout()->parsep * dh);
989 } else if (pit != 0) {
990 if (pars_[pit - 1].getDepth() != 0 ||
991 pars_[pit - 1].layout() == layout) {
992 maxasc += int(layout->parsep * dh);
997 // is it a bottom line?
998 if (row.endpos() >= par.size()) {
999 // add the layout spaces, for example before and after
1000 // a section, or between the items of a itemize or enumerate
1002 pit_type nextpit = pit + 1;
1003 if (nextpit != pit_type(pars_.size())) {
1004 pit_type cpit = pit;
1008 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
1009 usual = pars_[cpit].layout()->bottomsep * dh;
1010 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
1011 if (pars_[cpit].layout() != pars_[nextpit].layout()
1012 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1014 unusual = pars_[cpit].layout()->bottomsep * dh;
1016 layoutdesc = max(unusual, usual);
1017 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
1018 if (pars_[cpit].layout() != pars_[nextpit].layout()
1019 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1020 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1025 // incalculate the layout spaces
1026 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1027 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1029 // Top and bottom margin of the document (only at top-level)
1030 if (bv_owner->text() == this) {
1031 if (pit == 0 && row.pos() == 0)
1033 if (pit + 1 == pit_type(pars_.size()) &&
1034 row.endpos() == par.size())
1038 row.ascent(maxasc + labeladdon);
1039 row.descent(maxdesc);
1047 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1049 BOOST_ASSERT(this == cur.text());
1051 Paragraph & cpar = cur.paragraph();
1052 pit_type cpit = cur.pit();
1054 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1055 LyXLayout_ptr const & layout = cpar.layout();
1057 // this is only allowed, if the current paragraph is not empty
1058 // or caption and if it has not the keepempty flag active
1059 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1060 && layout->labeltype != LABEL_SENSITIVE)
1063 // a layout change may affect also the following paragraph
1064 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1066 // Always break behind a space
1067 // It is better to erase the space (Dekel)
1068 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1069 cpar.erase(cur.pos());
1071 // How should the layout for the new paragraph be?
1072 int preserve_layout = 0;
1074 preserve_layout = 2;
1076 preserve_layout = layout->isEnvironment();
1078 // We need to remember this before we break the paragraph, because
1079 // that invalidates the layout variable
1080 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1082 // we need to set this before we insert the paragraph.
1083 bool const isempty = cpar.allowEmpty() && cpar.empty();
1085 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1086 cur.pos(), preserve_layout);
1088 // After this, neither paragraph contains any rows!
1091 pit_type next_par = cpit + 1;
1093 // well this is the caption hack since one caption is really enough
1096 // set to standard-layout
1097 pars_[cpit].applyLayout(tclass.defaultLayout());
1099 // set to standard-layout
1100 pars_[next_par].applyLayout(tclass.defaultLayout());
1103 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1104 pars_[next_par].erase(0);
1106 ParIterator current_it(cur);
1107 ParIterator last_it(cur);
1111 updateLabels(cur.buffer(), current_it, last_it);
1113 // Mark "carriage return" as inserted if change tracking:
1114 if (cur.buffer().params().tracking_changes) {
1115 cur.paragraph().setChange(cur.paragraph().size(),
1119 // This check is necessary. Otherwise the new empty paragraph will
1120 // be deleted automatically. And it is more friendly for the user!
1121 if (cur.pos() != 0 || isempty)
1122 setCursor(cur, cur.pit() + 1, 0);
1124 setCursor(cur, cur.pit(), 0);
1128 // insert a character, moves all the following breaks in the
1129 // same Paragraph one to the right and make a rebreak
1130 void LyXText::insertChar(LCursor & cur, char_type c)
1132 BOOST_ASSERT(this == cur.text());
1133 BOOST_ASSERT(c != Paragraph::META_INSET);
1135 recordUndo(cur, Undo::INSERT);
1137 Paragraph & par = cur.paragraph();
1138 // try to remove this
1139 pit_type const pit = cur.pit();
1141 bool const freeSpacing = par.layout()->free_spacing ||
1142 par.isFreeSpacing();
1144 if (lyxrc.auto_number) {
1145 static string const number_operators = "+-/*";
1146 static string const number_unary_operators = "+-";
1147 static string const number_seperators = ".,:";
1149 if (current_font.number() == LyXFont::ON) {
1150 if (!isDigit(c) && !contains(number_operators, c) &&
1151 !(contains(number_seperators, c) &&
1153 cur.pos() != cur.lastpos() &&
1154 getFont(par, cur.pos()).number() == LyXFont::ON &&
1155 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1157 number(cur); // Set current_font.number to OFF
1158 } else if (isDigit(c) &&
1159 real_current_font.isVisibleRightToLeft()) {
1160 number(cur); // Set current_font.number to ON
1162 if (cur.pos() != 0) {
1163 char_type const c = par.getChar(cur.pos() - 1);
1164 if (contains(number_unary_operators, c) &&
1166 || par.isSeparator(cur.pos() - 2)
1167 || par.isNewline(cur.pos() - 2))
1169 setCharFont(pit, cur.pos() - 1, current_font);
1170 } else if (contains(number_seperators, c)
1172 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1173 setCharFont(pit, cur.pos() - 1, current_font);
1179 // First check, if there will be two blanks together or a blank at
1180 // the beginning of a paragraph.
1181 // I decided to handle blanks like normal characters, the main
1182 // difference are the special checks when calculating the row.fill
1183 // (blank does not count at the end of a row) and the check here
1185 // When the free-spacing option is set for the current layout,
1186 // disable the double-space checking
1187 if (!freeSpacing && isLineSeparatorChar(c)) {
1188 if (cur.pos() == 0) {
1189 static bool sent_space_message = false;
1190 if (!sent_space_message) {
1191 cur.message(_("You cannot insert a space at the "
1192 "beginning of a paragraph. Please read the Tutorial."));
1193 sent_space_message = true;
1197 BOOST_ASSERT(cur.pos() > 0);
1198 if ((par.isLineSeparator(cur.pos() - 1)
1199 || par.isNewline(cur.pos() - 1))
1200 && par.lookupChange(cur.pos() - 1) != Change::DELETED) {
1201 static bool sent_space_message = false;
1202 if (!sent_space_message) {
1203 cur.message(_("You cannot type two spaces this way. "
1204 "Please read the Tutorial."));
1205 sent_space_message = true;
1211 par.insertChar(cur.pos(), c, current_font);
1212 setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1217 void LyXText::charInserted()
1219 // Here we call finishUndo for every 20 characters inserted.
1220 // This is from my experience how emacs does it. (Lgb)
1221 static unsigned int counter;
1232 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1235 Paragraph const & par = pars_[pit];
1237 double w = dim_.wid - row.width();
1239 bool const is_rtl = isRTL(par);
1241 result.x = rightMargin(par);
1243 result.x = leftMargin(pit, row.pos());
1245 // is there a manual margin with a manual label
1246 LyXLayout_ptr const & layout = par.layout();
1248 if (layout->margintype == MARGIN_MANUAL
1249 && layout->labeltype == LABEL_MANUAL) {
1250 /// We might have real hfills in the label part
1251 int nlh = numberOfLabelHfills(par, row);
1253 // A manual label par (e.g. List) has an auto-hfill
1254 // between the label text and the body of the
1256 // But we don't want to do this auto hfill if the par
1261 if (nlh && !par.getLabelWidthString().empty())
1262 result.label_hfill = labelFill(par, row) / double(nlh);
1265 // are there any hfills in the row?
1266 int const nh = numberOfHfills(par, row);
1270 result.hfill = w / nh;
1271 // we don't have to look at the alignment if it is ALIGN_LEFT and
1272 // if the row is already larger then the permitted width as then
1273 // we force the LEFT_ALIGN'edness!
1274 } else if (int(row.width()) < maxwidth_) {
1275 // is it block, flushleft or flushright?
1276 // set x how you need it
1278 if (par.params().align() == LYX_ALIGN_LAYOUT)
1279 align = layout->align;
1281 align = par.params().align();
1283 // Display-style insets should always be on a centred row
1284 // The test on par.size() is to catch zero-size pars, which
1285 // would trigger the assert in Paragraph::getInset().
1286 //inset = par.size() ? par.getInset(row.pos()) : 0;
1288 && par.isInset(row.pos())
1289 && par.getInset(row.pos())->display())
1291 align = LYX_ALIGN_CENTER;
1295 case LYX_ALIGN_BLOCK: {
1296 int const ns = numberOfSeparators(par, row);
1297 bool disp_inset = false;
1298 if (row.endpos() < par.size()) {
1299 InsetBase const * in = par.getInset(row.endpos());
1301 disp_inset = in->display();
1303 // If we have separators, this is not the last row of a
1304 // par, does not end in newline, and is not row above a
1305 // display inset... then stretch it
1307 && row.endpos() < par.size()
1308 && !par.isNewline(row.endpos() - 1)
1311 result.separator = w / ns;
1312 } else if (is_rtl) {
1317 case LYX_ALIGN_RIGHT:
1320 case LYX_ALIGN_CENTER:
1326 bidi.computeTables(par, *bv()->buffer(), row);
1328 pos_type body_pos = par.beginOfBody();
1329 pos_type end = row.endpos();
1332 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1334 result.x += font_metrics::width(layout->labelsep, getLabelFont(par));
1335 if (body_pos <= end)
1336 result.x += result.label_hfill;
1344 // the cursor set functions have a special mechanism. When they
1345 // realize, that you left an empty paragraph, they will delete it.
1347 bool LyXText::cursorRightOneWord(LCursor & cur)
1349 BOOST_ASSERT(this == cur.text());
1353 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1357 // Advance through word.
1358 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1360 // Skip through trailing nonword stuff.
1361 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1364 return setCursor(cur, old.pit(), old.pos());
1368 bool LyXText::cursorLeftOneWord(LCursor & cur)
1370 BOOST_ASSERT(this == cur.text());
1374 if (old.pos() == 0 && old.pit() != 0) {
1376 old.pos() = old.lastpos();
1378 // Skip through initial nonword stuff.
1379 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1381 // Advance through word.
1382 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1385 return setCursor(cur, old.pit(), old.pos());
1389 void LyXText::selectWord(LCursor & cur, word_location loc)
1391 BOOST_ASSERT(this == cur.text());
1392 CursorSlice from = cur.top();
1393 CursorSlice to = cur.top();
1394 getWord(from, to, loc);
1395 if (cur.top() != from)
1396 setCursor(cur, from.pit(), from.pos());
1400 setCursor(cur, to.pit(), to.pos());
1405 // Select the word currently under the cursor when no
1406 // selection is currently set
1407 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1409 BOOST_ASSERT(this == cur.text());
1410 if (cur.selection())
1412 selectWord(cur, loc);
1413 return cur.selection();
1417 void LyXText::acceptChange(LCursor & cur)
1419 BOOST_ASSERT(this == cur.text());
1420 if (!cur.selection() && cur.lastpos() != 0)
1423 recordUndoSelection(cur, Undo::INSERT);
1425 DocIterator it = cur.selectionBegin();
1426 DocIterator et = cur.selectionEnd();
1427 pit_type pit = it.pit();
1428 Change::Type const type = pars_[pit].lookupChange(it.pos()).type;
1429 for (; pit <= et.pit(); ++pit) {
1430 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1432 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1433 pars_[pit].acceptChange(left, right);
1435 if (type == Change::DELETED) {
1436 ParagraphList & plist = paragraphs();
1437 if (it.pit() + 1 < et.pit())
1438 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1439 boost::next(plist.begin(), et.pit()));
1441 // Paragraph merge if appropriate:
1442 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1443 == Change::DELETED) {
1444 setCursorIntern(cur, it.pit() + 1, 0);
1449 cur.clearSelection();
1450 setCursorIntern(cur, it.pit(), 0);
1454 void LyXText::rejectChange(LCursor & cur)
1456 BOOST_ASSERT(this == cur.text());
1457 if (!cur.selection() && cur.lastpos() != 0)
1460 recordUndoSelection(cur, Undo::INSERT);
1462 DocIterator it = cur.selectionBegin();
1463 DocIterator et = cur.selectionEnd();
1464 pit_type pit = it.pit();
1465 Change::Type const type = pars_[pit].lookupChange(it.pos()).type;
1466 for (; pit <= et.pit(); ++pit) {
1467 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1469 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1470 pars_[pit].rejectChange(left, right);
1472 if (type == Change::INSERTED) {
1473 ParagraphList & plist = paragraphs();
1474 if (it.pit() + 1 < et.pit())
1475 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1476 boost::next(plist.begin(), et.pit()));
1477 // Paragraph merge if appropriate:
1478 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1479 == Change::INSERTED) {
1480 setCursorIntern(cur, it.pit() + 1, 0);
1485 cur.clearSelection();
1486 setCursorIntern(cur, it.pit(), 0);
1490 // Delete from cursor up to the end of the current or next word.
1491 void LyXText::deleteWordForward(LCursor & cur)
1493 BOOST_ASSERT(this == cur.text());
1494 if (cur.lastpos() == 0)
1498 cur.selection() = true;
1499 cursorRightOneWord(cur);
1501 cutSelection(cur, true, false);
1506 // Delete from cursor to start of current or prior word.
1507 void LyXText::deleteWordBackward(LCursor & cur)
1509 BOOST_ASSERT(this == cur.text());
1510 if (cur.lastpos() == 0)
1514 cur.selection() = true;
1515 cursorLeftOneWord(cur);
1517 cutSelection(cur, true, false);
1522 // Kill to end of line.
1523 void LyXText::deleteLineForward(LCursor & cur)
1525 BOOST_ASSERT(this == cur.text());
1526 if (cur.lastpos() == 0) {
1527 // Paragraph is empty, so we just go to the right
1531 cur.selection() = true; // to avoid deletion
1534 // What is this test for ??? (JMarc)
1535 if (!cur.selection())
1536 deleteWordForward(cur);
1538 cutSelection(cur, true, false);
1543 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1545 BOOST_ASSERT(this == cur.text());
1549 if (cur.selection()) {
1550 from = cur.selBegin();
1554 getWord(from, to, lyx::PARTIAL_WORD);
1555 cursorRightOneWord(cur);
1558 recordUndoSelection(cur);
1560 pos_type pos = from.pos();
1561 int par = from.pit();
1563 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1565 if (pos == pars_[pit].size()) {
1570 char_type c = pars_[pit].getChar(pos);
1571 if (c != Paragraph::META_INSET) {
1573 case text_lowercase:
1576 case text_capitalization:
1578 action = text_lowercase;
1580 case text_uppercase:
1585 #ifdef WITH_WARNINGS
1588 pars_[pit].setChar(pos, c);
1594 bool LyXText::erase(LCursor & cur)
1596 BOOST_ASSERT(this == cur.text());
1597 bool needsUpdate = false;
1599 if (cur.pos() != cur.lastpos()) {
1600 recordUndo(cur, Undo::DELETE, cur.pit());
1601 setCursorIntern(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1602 needsUpdate = backspace(cur);
1603 if (cur.paragraph().lookupChange(cur.pos()) == Change::DELETED)
1605 } else if (cur.pit() != cur.lastpit()) {
1608 setCursorIntern(cur, cur.pit() + 1, 0, false, false);
1609 if (pars_[cur.pit()].layout() == pars_[scur.pit()].layout()) {
1610 recordUndo(scur, Undo::DELETE, scur.pit());
1611 needsUpdate = backspace(cur);
1612 if (cur.buffer().params().tracking_changes) {
1613 // move forward after the paragraph break is DELETED
1614 Paragraph & par = cur.paragraph();
1615 if (par.lookupChange(par.size()) == Change::DELETED)
1616 setCursorIntern(cur, cur.pit() + 1, 0);
1619 setCursorIntern(scur, scur.pit(), scur.pos(), false, scur.boundary());
1626 bool LyXText::backspacePos0(LCursor & cur)
1628 BOOST_ASSERT(this == cur.text());
1629 bool needsUpdate = false;
1631 Paragraph & par = cur.paragraph();
1632 // is it an empty paragraph?
1633 pos_type lastpos = cur.lastpos();
1634 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1635 // This is an empty paragraph and we delete it just
1636 // by moving the cursor one step
1637 // left and let the DeleteEmptyParagraphMechanism
1638 // handle the actual deletion of the paragraph.
1640 if (cur.pit() != 0) {
1641 // For KeepEmpty layouts we need to get
1642 // rid of the keepEmpty setting first.
1643 // And the only way to do this is to
1644 // reset the layout to something
1645 // else: f.ex. the default layout.
1646 if (par.allowEmpty()) {
1647 Buffer & buf = cur.buffer();
1648 BufferParams const & bparams = buf.params();
1649 par.layout(bparams.getLyXTextClass().defaultLayout());
1658 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1660 pit_type tmppit = cur.pit();
1661 // We used to do cursorLeftIntern() here, but it is
1662 // not a good idea since it triggers the auto-delete
1663 // mechanism. So we do a cursorLeftIntern()-lite,
1664 // without the dreaded mechanism. (JMarc)
1665 if (cur.pit() != 0) {
1666 // steps into the above paragraph.
1667 setCursorIntern(cur, cur.pit() - 1,
1668 pars_[cur.pit() - 1].size(),
1672 // Pasting is not allowed, if the paragraphs have different
1673 // layout. I think it is a real bug of all other
1674 // word processors to allow it. It confuses the user.
1675 // Correction: Pasting is always allowed with standard-layout
1676 // Correction (Jug 20050717): Remove check about alignment!
1677 Buffer & buf = cur.buffer();
1678 BufferParams const & bufparams = buf.params();
1679 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1680 pit_type const cpit = cur.pit();
1683 && (pars_[cpit].layout() == pars_[tmppit].layout()
1684 || pars_[tmppit].layout() == tclass.defaultLayout()))
1686 mergeParagraph(bufparams, pars_, cpit);
1689 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1692 // the counters may have changed
1693 ParIterator par_it(cur);
1694 updateLabels(cur.buffer(), par_it);
1696 setCursor(cur, cur.pit(), cur.pos(), false);
1702 bool LyXText::backspace(LCursor & cur)
1704 BOOST_ASSERT(this == cur.text());
1705 bool needsUpdate = false;
1706 if (cur.pos() == 0) {
1707 // The cursor is at the beginning of a paragraph, so
1708 // the the backspace will collapse two paragraphs into
1711 if (cur.pit() != 0 && cur.buffer().params().tracking_changes) {
1712 // Previous paragraph, mark "carriage return" as
1714 Paragraph & par = pars_[cur.pit() - 1];
1715 // Take care of a just inserted para break:
1716 if (par.lookupChange(par.size()) != Change::INSERTED) {
1717 par.setChange(par.size(), Change::DELETED);
1718 setCursorIntern(cur, cur.pit() - 1, par.size());
1723 needsUpdate = backspacePos0(cur);
1726 // this is the code for a normal backspace, not pasting
1728 recordUndo(cur, Undo::DELETE);
1729 // We used to do cursorLeftIntern() here, but it is
1730 // not a good idea since it triggers the auto-delete
1731 // mechanism. So we do a cursorLeftIntern()-lite,
1732 // without the dreaded mechanism. (JMarc)
1733 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1734 false, cur.boundary());
1735 cur.paragraph().erase(cur.pos());
1738 if (cur.pos() == cur.lastpos())
1739 setCurrentFont(cur);
1741 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1747 Row const & LyXText::firstRow() const
1749 return *paragraphs().front().rows().begin();
1753 bool LyXText::redoParagraph(pit_type const pit)
1755 // remove rows of paragraph, keep track of height changes
1756 Paragraph & par = pars_[pit];
1758 // Add bibitem insets if necessary
1759 if (par.layout()->labeltype == LABEL_BIBLIO) {
1760 bool hasbibitem(false);
1761 if (!par.insetlist.empty()
1762 // Insist on it being in pos 0
1763 && par.getChar(0) == Paragraph::META_INSET) {
1764 InsetBase * inset = par.insetlist.begin()->inset;
1765 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1769 InsetBibitem * inset(new
1770 InsetBibitem(InsetCommandParams("bibitem")));
1771 par.insertInset(0, static_cast<InsetBase *>(inset));
1772 bv()->cursor().posRight();
1777 // FIXME: We should always use getFont(), see documentation of
1778 // noFontChange() in insetbase.h.
1779 LyXFont const bufferfont = bv()->buffer()->params().getFont();
1780 InsetList::iterator ii = par.insetlist.begin();
1781 InsetList::iterator iend = par.insetlist.end();
1782 for (; ii != iend; ++ii) {
1784 int const w = maxwidth_ - leftMargin(pit, ii->pos) - rightMargin(par);
1785 LyXFont const & font = ii->inset->noFontChange() ?
1787 getFont(par, ii->pos);
1788 MetricsInfo mi(bv(), font, w);
1789 ii->inset->metrics(mi, dim);
1792 // rebreak the paragraph
1796 par.setBeginOfBody();
1800 rowBreakPoint(pit, row);
1801 setRowWidth(pit, row);
1802 setHeightOfRow(pit, row);
1803 par.rows().push_back(row);
1804 dim.wid = std::max(dim.wid, row.width());
1805 dim.des += row.height();
1807 } while (z < par.size());
1809 // Make sure that if a par ends in newline, there is one more row
1811 // FIXME this is a dirty trick. Now the _same_ position in the
1812 // paragraph occurs in _two_ different rows, and has two different
1813 // display positions, leading to weird behaviour when moving up/down.
1814 if (z > 0 && par.isNewline(z - 1)) {
1817 setRowWidth(pit, row);
1818 setHeightOfRow(pit, row);
1819 par.rows().push_back(row);
1820 dim.des += row.height();
1823 dim.asc += par.rows()[0].ascent();
1824 dim.des -= par.rows()[0].ascent();
1826 bool const same = dim == par.dim();
1829 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1835 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1837 //BOOST_ASSERT(mi.base.textwidth);
1838 if (mi.base.textwidth)
1839 maxwidth_ = mi.base.textwidth;
1840 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1841 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1842 // save the caller's font locally:
1843 font_ = mi.base.font;
1847 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1849 Paragraph & par = paragraphs()[pit];
1851 if (w < par.width())
1856 dim.asc = pars_[0].ascent();
1857 dim.des = h - dim.asc;
1863 // only used for inset right now. should also be used for main text
1864 void LyXText::draw(PainterInfo & pi, int x, int y) const
1866 paintTextInset(*this, pi, x, y);
1871 // only used for inset right now. should also be used for main text
1872 void LyXText::drawSelection(PainterInfo & pi, int x , int) const
1874 LCursor & cur = pi.base.bv->cursor();
1875 if (!cur.selection())
1877 if (!ptr_cmp(cur.text(), this))
1880 lyxerr << "draw selection at " << x << endl;
1882 DocIterator beg = cur.selectionBegin();
1883 DocIterator end = cur.selectionEnd();
1885 // the selection doesn't touch the visible screen
1886 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1887 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1890 Paragraph const & par1 = pars_[beg.pit()];
1891 Paragraph const & par2 = pars_[end.pit()];
1893 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1894 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1897 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1902 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1903 int const startx = cursorX(beg.top(), begin.boundary());
1904 x1 = isRTL(par1) ? startx : 0;
1905 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1909 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1910 y2 = pi.base.bv->workHeight();
1914 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1915 int const endx = cursorX(end.top(), end.boundary());
1916 X1 = isRTL(par2) ? 0 : endx;
1917 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1920 lyxerr << " y1: " << y1 << " y2: " << y2
1921 << " xo: " << xo_ << " wid: " << dim_.wid
1924 // paint big rectangle in one go
1925 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1927 // reset background at begin of first selected line
1928 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1929 LColor::background);
1931 // reset background at end of last selected line
1932 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1933 X2 - X1, row2.height(), LColor::background);
1938 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1940 LCursor & cur = pi.base.bv->cursor();
1941 if (!cur.selection())
1943 if (!ptr_cmp(cur.text(), this))
1946 lyxerr[Debug::DEBUG]
1947 << BOOST_CURRENT_FUNCTION
1948 << "draw selection at " << x
1951 DocIterator beg = cur.selectionBegin();
1952 DocIterator end = cur.selectionEnd();
1954 // the selection doesn't touch the visible screen
1955 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1956 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1959 Paragraph const & par1 = pars_[beg.pit()];
1960 Paragraph const & par2 = pars_[end.pit()];
1962 bool const above = (bv_funcs::status(pi.base.bv, beg)
1963 == bv_funcs::CUR_ABOVE);
1964 bool const below = (bv_funcs::status(pi.base.bv, end)
1965 == bv_funcs::CUR_BELOW);
1973 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1974 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
1975 y2 = y1 + row1.height();
1976 int const startx = cursorX(beg.top(), beg.boundary());
1977 x1 = !isRTL(par1) ? startx : 0;
1978 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
1983 Y1 = pi.base.bv->workHeight();
1984 Y2 = pi.base.bv->workHeight();
1988 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1989 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
1990 Y2 = Y1 + row2.height();
1991 int const endx = cursorX(end.top(), end.boundary());
1992 X1 = !isRTL(par2) ? 0 : endx;
1993 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
1996 if (!above && !below && &par1.getRow(beg.pos(), beg.boundary())
1997 == &par2.getRow(end.pos(), end.boundary()))
1999 // paint only one rectangle
2000 int const b( !isRTL(par1) ? x + x1 : x + X1 );
2001 int const w( !isRTL(par1) ? X2 - x1 : x2 - X1 );
2002 pi.pain.fillRectangle(b, y1, w, y2 - y1, LColor::selection);
2006 lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
2007 << "X1:" << X1 << " x2: " << X2 << " wid: " << dim_.wid
2010 // paint upper rectangle
2011 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
2013 // paint bottom rectangle
2014 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
2016 // paint center rectangle
2017 pi.pain.fillRectangle(x, y2, dim_.wid,
2018 Y1 - y2, LColor::selection);
2022 bool LyXText::isLastRow(pit_type pit, Row const & row) const
2024 return row.endpos() >= pars_[pit].size()
2025 && pit + 1 == pit_type(paragraphs().size());
2029 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
2031 return row.pos() == 0 && pit == 0;
2035 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
2036 word_location const loc)
2038 Paragraph const & from_par = pars_[from.pit()];
2040 case lyx::WHOLE_WORD_STRICT:
2041 if (from.pos() == 0 || from.pos() == from_par.size()
2042 || !from_par.isLetter(from.pos())
2043 || !from_par.isLetter(from.pos() - 1)) {
2047 // no break here, we go to the next
2049 case lyx::WHOLE_WORD:
2050 // If we are already at the beginning of a word, do nothing
2051 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
2053 // no break here, we go to the next
2055 case lyx::PREVIOUS_WORD:
2056 // always move the cursor to the beginning of previous word
2057 while (from.pos() && from_par.isLetter(from.pos() - 1))
2060 case lyx::NEXT_WORD:
2061 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
2064 case lyx::PARTIAL_WORD:
2065 // no need to move the 'from' cursor
2069 Paragraph & to_par = pars_[to.pit()];
2070 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
2075 void LyXText::write(Buffer const & buf, std::ostream & os) const
2077 ParagraphList::const_iterator pit = paragraphs().begin();
2078 ParagraphList::const_iterator end = paragraphs().end();
2079 Paragraph::depth_type dth = 0;
2080 for (; pit != end; ++pit)
2081 pit->write(buf, os, buf.params(), dth);
2085 bool LyXText::read(Buffer const & buf, LyXLex & lex)
2087 Paragraph::depth_type depth = 0;
2089 while (lex.isOK()) {
2091 string const token = lex.getString();
2096 if (token == "\\end_inset") {
2100 if (token == "\\end_body") {
2104 if (token == "\\begin_body") {
2108 if (token == "\\end_document") {
2112 if (token == "\\begin_layout") {
2113 lex.pushToken(token);
2116 par.params().depth(depth);
2117 if (buf.params().tracking_changes)
2119 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2120 pars_.push_back(par);
2122 // FIXME: goddamn InsetTabular makes us pass a Buffer
2124 ::readParagraph(buf, pars_.back(), lex);
2126 } else if (token == "\\begin_deeper") {
2128 } else if (token == "\\end_deeper") {
2130 lex.printError("\\end_deeper: " "depth is already null");
2135 lyxerr << "Handling unknown body token: `"
2136 << token << '\'' << endl;
2143 int LyXText::ascent() const
2149 int LyXText::descent() const
2155 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2157 pit_type const pit = sl.pit();
2158 Paragraph const & par = pars_[pit];
2159 if (par.rows().empty())
2162 pos_type ppos = sl.pos();
2163 // Correct position in front of big insets
2164 bool const boundary_correction = ppos != 0 && boundary;
2165 if (boundary_correction)
2168 Row const & row = par.getRow(sl.pos(), boundary);
2170 pos_type cursor_vpos = 0;
2172 RowMetrics const m = computeRowMetrics(pit, row);
2175 pos_type const row_pos = row.pos();
2176 pos_type const end = row.endpos();
2179 cursor_vpos = row_pos;
2180 else if (ppos >= end)
2181 cursor_vpos = isRTL(par) ? row_pos : end;
2182 else if (ppos > row_pos && ppos >= end)
2183 // Place cursor after char at (logical) position pos - 1
2184 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
2185 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
2187 // Place cursor before char at (logical) position ppos
2188 cursor_vpos = (bidi.level(ppos) % 2 == 0)
2189 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
2191 pos_type body_pos = par.beginOfBody();
2193 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2196 // Use font span to speed things up, see below
2200 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2201 pos_type pos = bidi.vis2log(vpos);
2202 if (body_pos > 0 && pos == body_pos - 1) {
2204 + font_metrics::width(par.layout()->labelsep,
2206 if (par.isLineSeparator(body_pos - 1))
2207 x -= singleWidth(par, body_pos - 1);
2210 // Use font span to speed things up, see above
2211 if (pos < font_span.first || pos > font_span.last) {
2212 font_span = par.fontSpan(pos);
2213 font = getFont(par, pos);
2216 x += singleWidth(par, pos, par.getChar(pos), font);
2218 if (hfillExpansion(par, row, pos))
2219 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
2220 else if (par.isSeparator(pos) && pos >= body_pos)
2224 // see correction above
2225 if (boundary_correction)
2226 if (getFont(par, ppos).isVisibleRightToLeft())
2227 x -= singleWidth(par, ppos);
2229 x += singleWidth(par, ppos);
2231 // Make sure inside an inset we always count from the left
2232 // edge (bidi!) -- MV
2233 if (sl.pos() < par.size()) {
2234 font = getFont(par, sl.pos());
2235 if (!boundary && font.isVisibleRightToLeft()
2236 && par.isInset(sl.pos()))
2237 x -= par.getInset(sl.pos())->width();
2243 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2245 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2246 Paragraph const & par = getPar(sl.pit());
2248 h -= pars_[0].rows()[0].ascent();
2249 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2250 h += pars_[pit].height();
2252 if (pos && boundary)
2254 size_t const rend = par.pos2row(pos);
2255 for (size_t rit = 0; rit != rend; ++rit)
2256 h += par.rows()[rit].height();
2257 h += par.rows()[rend].ascent();
2262 // Returns the current font and depth as a message.
2263 string LyXText::currentState(LCursor & cur)
2265 BOOST_ASSERT(this == cur.text());
2266 Buffer & buf = cur.buffer();
2267 Paragraph const & par = cur.paragraph();
2268 std::ostringstream os;
2270 bool const show_change = buf.params().tracking_changes
2271 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2273 if (buf.params().tracking_changes)
2277 Change change = par.lookupChange(cur.pos());
2278 Author const & a = buf.params().authors().get(change.author);
2279 os << _("Change: ") << a.name();
2280 if (!a.email().empty())
2281 os << " (" << a.email() << ")";
2282 if (change.changetime)
2283 os << _(" at ") << ctime(&change.changetime);
2287 // I think we should only show changes from the default
2289 // No, from the document font (MV)
2290 LyXFont font = real_current_font;
2291 font.reduce(buf.params().getFont());
2293 // avoid _(...) re-entrance problem
2294 string const s = font.stateText(&buf.params());
2295 os << bformat(_("Font: %1$s"), s);
2297 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2299 // The paragraph depth
2300 int depth = cur.paragraph().getDepth();
2302 os << bformat(_(", Depth: %1$d"), depth);
2304 // The paragraph spacing, but only if different from
2306 Spacing const & spacing = par.params().spacing();
2307 if (!spacing.isDefault()) {
2308 os << _(", Spacing: ");
2309 switch (spacing.getSpace()) {
2310 case Spacing::Single:
2313 case Spacing::Onehalf:
2316 case Spacing::Double:
2319 case Spacing::Other:
2320 os << _("Other (") << spacing.getValueAsString() << ')';
2322 case Spacing::Default:
2323 // should never happen, do nothing
2328 #ifdef DEVEL_VERSION
2329 os << _(", Inset: ") << &cur.inset();
2330 os << _(", Paragraph: ") << cur.pit();
2331 os << _(", Id: ") << par.id();
2332 os << _(", Position: ") << cur.pos();
2333 os << _(", Boundary: ") << cur.boundary();
2334 // Row & row = cur.textRow();
2335 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2341 string LyXText::getPossibleLabel(LCursor & cur) const
2343 pit_type pit = cur.pit();
2345 LyXLayout_ptr layout = pars_[pit].layout();
2347 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2348 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2349 if (layout2->latextype != LATEX_PARAGRAPH) {
2355 string name = layout->latexname();
2357 // for captions, we want the abbreviation of the float type
2358 if (layout->labeltype == LABEL_SENSITIVE) {
2359 // Search for the first float or wrap inset in the iterator
2360 size_t i = cur.depth();
2363 InsetBase * const in = &cur[i].inset();
2364 if (in->lyxCode() == InsetBase::FLOAT_CODE
2365 || in->lyxCode() == InsetBase::WRAP_CODE) {
2366 name = in->getInsetName();
2372 string text = name.substr(0, 3);
2373 if (name == "theorem")
2374 text = "thm"; // Create a correct prefix for prettyref
2377 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2380 string par_text = pars_[pit].asString(cur.buffer(), false);
2381 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2382 if (par_text.empty())
2385 par_text = split(par_text, head, ' ');
2386 // Is it legal to use spaces in labels ?
2396 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2400 // Paragraph const & par = pars_[pit];
2401 // Row const & r = par.rows()[row];
2402 // int pos = r.pos();
2403 // for (; currx < x && pos < r.endpos(); ++pos) {
2405 // currx += singleWidth(par, pos);
2407 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2413 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2415 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2417 Row const & r = pars_[pit].rows()[row];
2418 return r.pos() + getColumnNearX(pit, r, x, bound);
2422 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2424 // Paragraph const & par = pars_[pit];
2425 // Row const & r = par.rows()[row];
2431 // x,y are screen coordinates
2432 // sets cursor only within this LyXText
2433 bool LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2435 pit_type pit = getPitNearY(y);
2436 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2437 lyxerr[Debug::DEBUG]
2438 << BOOST_CURRENT_FUNCTION
2442 << " yy: " << yy << endl;
2444 Paragraph const & par = pars_[pit];
2446 BOOST_ASSERT(par.rows().size());
2447 for (; r < int(par.rows().size()) - 1; ++r) {
2448 Row const & row = par.rows()[r];
2449 if (int(yy + row.height()) > y)
2454 Row const & row = par.rows()[r];
2456 lyxerr[Debug::DEBUG]
2457 << BOOST_CURRENT_FUNCTION
2459 << " from pos: " << row.pos()
2464 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2466 lyxerr[Debug::DEBUG]
2467 << BOOST_CURRENT_FUNCTION
2468 << ": setting cursor pit: " << pit
2472 return setCursor(cur, pit, pos, true, bound);