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>
82 using lyx::word_location;
84 using lyx::support::bformat;
85 using lyx::support::contains;
86 using lyx::support::lowercase;
87 using lyx::support::split;
88 using lyx::support::uppercase;
90 using lyx::cap::cutSelection;
103 int numberOfSeparators(Paragraph const & par, Row const & row)
105 pos_type const first = max(row.pos(), par.beginOfBody());
106 pos_type const last = row.endpos() - 1;
108 for (pos_type p = first; p < last; ++p) {
109 if (par.isSeparator(p))
116 int numberOfLabelHfills(Paragraph const & par, Row const & row)
118 pos_type last = row.endpos() - 1;
119 pos_type first = row.pos();
121 // hfill *DO* count at the beginning of paragraphs!
123 while (first < last && par.isHfill(first))
127 last = min(last, par.beginOfBody());
129 for (pos_type p = first; p < last; ++p) {
137 int numberOfHfills(Paragraph const & par, Row const & row)
139 pos_type const last = row.endpos();
140 pos_type first = row.pos();
142 // hfill *DO* count at the beginning of paragraphs!
144 while (first < last && par.isHfill(first))
148 first = max(first, par.beginOfBody());
151 for (pos_type p = first; p < last; ++p) {
159 void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
160 string const & token, LyXFont & font, Change & change, ErrorList & errorList)
162 BufferParams const & bp = buf.params();
164 if (token[0] != '\\') {
166 string::const_iterator cit = token.begin();
167 for (; cit != token.end(); ++cit)
168 par.insertChar(par.size(), (*cit), font, change);
170 lyx::docstring dstr = lex.getDocString();
171 lyx::docstring::const_iterator cit = dstr.begin();
172 lyx::docstring::const_iterator cend = dstr.end();
173 for (; cit != cend; ++cit)
174 par.insertChar(par.size(), *cit, font, change);
176 } else if (token == "\\begin_layout") {
178 string layoutname = lex.getString();
180 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
183 LyXTextClass const & tclass = bp.getLyXTextClass();
185 if (layoutname.empty()) {
186 layoutname = tclass.defaultLayoutName();
189 bool hasLayout = tclass.hasLayout(layoutname);
192 errorList.push_back(ErrorItem(_("Unknown layout"),
193 bformat(_("Layout '%1$s' does not exist in textclass '%2$s'\nTrying to use the default instead.\n"),
194 layoutname, tclass.name()), par.id(), 0, par.size()));
195 layoutname = tclass.defaultLayoutName();
198 par.layout(bp.getLyXTextClass()[layoutname]);
200 // Test whether the layout is obsolete.
201 LyXLayout_ptr const & layout = par.layout();
202 if (!layout->obsoleted_by().empty())
203 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
205 par.params().read(lex);
207 } else if (token == "\\end_layout") {
208 lyxerr << BOOST_CURRENT_FUNCTION
209 << ": Solitary \\end_layout in line "
210 << lex.getLineNo() << "\n"
211 << "Missing \\begin_layout?.\n";
212 } else if (token == "\\end_inset") {
213 lyxerr << BOOST_CURRENT_FUNCTION
214 << ": Solitary \\end_inset in line "
215 << lex.getLineNo() << "\n"
216 << "Missing \\begin_inset?.\n";
217 } else if (token == "\\begin_inset") {
218 InsetBase * inset = readInset(lex, buf);
220 par.insertInset(par.size(), inset, font, change);
223 string line = lex.getString();
224 errorList.push_back(ErrorItem(_("Unknown Inset"), line,
225 par.id(), 0, par.size()));
227 } else if (token == "\\family") {
229 font.setLyXFamily(lex.getString());
230 } else if (token == "\\series") {
232 font.setLyXSeries(lex.getString());
233 } else if (token == "\\shape") {
235 font.setLyXShape(lex.getString());
236 } else if (token == "\\size") {
238 font.setLyXSize(lex.getString());
239 } else if (token == "\\lang") {
241 string const tok = lex.getString();
242 Language const * lang = languages.getLanguage(tok);
244 font.setLanguage(lang);
246 font.setLanguage(bp.language);
247 lex.printError("Unknown language `$$Token'");
249 } else if (token == "\\numeric") {
251 font.setNumber(font.setLyXMisc(lex.getString()));
252 } else if (token == "\\emph") {
254 font.setEmph(font.setLyXMisc(lex.getString()));
255 } else if (token == "\\bar") {
257 string const tok = lex.getString();
260 font.setUnderbar(LyXFont::ON);
261 else if (tok == "no")
262 font.setUnderbar(LyXFont::OFF);
263 else if (tok == "default")
264 font.setUnderbar(LyXFont::INHERIT);
266 lex.printError("Unknown bar font flag "
268 } else if (token == "\\noun") {
270 font.setNoun(font.setLyXMisc(lex.getString()));
271 } else if (token == "\\color") {
273 font.setLyXColor(lex.getString());
274 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
276 // Insets don't make sense in a free-spacing context! ---Kayvan
277 if (par.isFreeSpacing()) {
278 if (token == "\\InsetSpace")
279 par.insertChar(par.size(), ' ', font, change);
280 else if (lex.isOK()) {
282 string const next_token = lex.getString();
283 if (next_token == "\\-")
284 par.insertChar(par.size(), '-', font, change);
286 lex.printError("Token `$$Token' "
288 "paragraph layout!");
292 auto_ptr<InsetBase> inset;
293 if (token == "\\SpecialChar" )
294 inset.reset(new InsetSpecialChar);
296 inset.reset(new InsetSpace);
297 inset->read(buf, lex);
298 par.insertInset(par.size(), inset.release(),
301 } else if (token == "\\i") {
302 auto_ptr<InsetBase> inset(new InsetLatexAccent);
303 inset->read(buf, lex);
304 par.insertInset(par.size(), inset.release(), font, change);
305 } else if (token == "\\backslash") {
306 par.insertChar(par.size(), '\\', font, change);
307 } else if (token == "\\newline") {
308 auto_ptr<InsetBase> inset(new InsetNewline);
309 inset->read(buf, lex);
310 par.insertInset(par.size(), inset.release(), font, change);
311 } else if (token == "\\LyXTable") {
312 auto_ptr<InsetBase> inset(new InsetTabular(buf));
313 inset->read(buf, lex);
314 par.insertInset(par.size(), inset.release(), font, change);
315 } else if (token == "\\bibitem") {
316 InsetCommandParams p("bibitem", "dummy");
317 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
318 inset->read(buf, lex);
319 par.insertInset(par.size(), inset.release(), font, change);
320 } else if (token == "\\hfill") {
321 par.insertInset(par.size(), new InsetHFill, font, change);
322 } else if (token == "\\lyxline") {
323 par.insertInset(par.size(), new InsetLine, font, change);
324 } else if (token == "\\newpage") {
325 par.insertInset(par.size(), new InsetPagebreak, font, change);
326 } else if (token == "\\change_unchanged") {
327 // Hack ! Needed for empty paragraphs :/
328 // FIXME: is it still ??
333 change = Change(Change::UNCHANGED);
334 } else if (token == "\\change_inserted") {
336 std::istringstream is(lex.getString());
340 if (aid >= bp.author_map.size()) {
341 errorList.push_back(ErrorItem(_("Change tracking error"),
342 bformat(_("Unknown author index for insertion: %1$d\n"), aid),
343 par.id(), 0, par.size()));
345 change = Change(Change::UNCHANGED);
347 change = Change(Change::INSERTED, bp.author_map[aid], ct);
348 } else if (token == "\\change_deleted") {
350 std::istringstream is(lex.getString());
354 if (aid >= bp.author_map.size()) {
355 errorList.push_back(ErrorItem(_("Change tracking error"),
356 bformat(_("Unknown author index for deletion: %1$d\n"), aid),
357 par.id(), 0, par.size()));
359 change = Change(Change::UNCHANGED);
361 change = Change(Change::DELETED, bp.author_map[aid], ct);
364 errorList.push_back(ErrorItem(_("Unknown token"),
365 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
366 par.id(), 0, par.size()));
371 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex, ErrorList & errorList)
374 string token = lex.getString();
380 readParToken(buf, par, lex, token, font, change, errorList);
383 token = lex.getString();
388 if (token == "\\end_layout") {
389 //Ok, paragraph finished
393 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
394 << token << '\'' << endl;
395 if (token == "\\begin_layout" || token == "\\end_document"
396 || token == "\\end_inset" || token == "\\begin_deeper"
397 || token == "\\end_deeper") {
398 lex.pushToken(token);
399 lyxerr << "Paragraph ended in line "
400 << lex.getLineNo() << "\n"
401 << "Missing \\end_layout.\n";
405 // Final change goes to paragraph break:
406 par.setChange(par.size(), change);
408 // Initialize begin_of_body_ on load; redoParagraph maintains
409 par.setBeginOfBody();
417 BufferView * LyXText::bv() const
419 BOOST_ASSERT(bv_owner != 0);
424 double LyXText::spacing(Paragraph const & par) const
426 if (par.params().spacing().isDefault())
427 return bv()->buffer()->params().spacing().getValue();
428 return par.params().spacing().getValue();
432 int LyXText::width() const
438 int LyXText::height() const
440 return dim_.height();
444 int LyXText::singleWidth(Paragraph const & par, pos_type pos) const
446 return singleWidth(par, pos, par.getChar(pos), getFont(par, pos));
450 int LyXText::singleWidth(Paragraph const & par,
451 pos_type pos, char_type c, LyXFont const & font) const
453 // The most common case is handled first (Asger)
454 if (isPrintable(c)) {
455 Language const * language = font.language();
456 if (language->rightToLeft()) {
457 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
458 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
459 && language->lang() == "arabic") {
460 if (Encodings::isComposeChar_arabic(c))
462 c = par.transformChar(c, pos);
463 } else if (language->lang() == "hebrew" &&
464 Encodings::isComposeChar_hebrew(c))
467 return font_metrics::width(c, font);
470 if (c == Paragraph::META_INSET)
471 return par.getInset(pos)->width();
473 return font_metrics::width(c, font);
477 int LyXText::leftMargin(pit_type pit) const
479 BOOST_ASSERT(pit >= 0);
480 BOOST_ASSERT(pit < int(pars_.size()));
481 return leftMargin(pit, pars_[pit].size());
485 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
487 BOOST_ASSERT(pit >= 0);
488 BOOST_ASSERT(pit < int(pars_.size()));
489 Paragraph const & par = pars_[pit];
490 BOOST_ASSERT(pos >= 0);
491 BOOST_ASSERT(pos <= par.size());
492 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
493 BufferParams const & params = bv()->buffer()->params();
494 LyXTextClass const & tclass = params.getLyXTextClass();
495 LyXLayout_ptr const & layout = par.layout();
497 string parindent = layout->parindent;
502 l_margin += changebarMargin();
504 string leftm = tclass.leftmargin();
505 docstring dleft(leftm.begin(), leftm.end());
506 l_margin += font_metrics::signedWidth(dleft, params.getFont());
508 if (par.getDepth() != 0) {
509 // find the next level paragraph
510 pit_type newpar = outerHook(pit, pars_);
511 if (newpar != pit_type(pars_.size())) {
512 if (pars_[newpar].layout()->isEnvironment()) {
513 l_margin = leftMargin(newpar);
515 if (par.layout() == tclass.defaultLayout()) {
516 if (pars_[newpar].params().noindent())
519 parindent = pars_[newpar].layout()->parindent;
524 // This happens after sections in standard classes. The 1.3.x
525 // code compared depths too, but it does not seem necessary
527 if (par.layout() == tclass.defaultLayout()
528 && pit > 0 && pars_[pit - 1].layout()->nextnoindent)
531 LyXFont const labelfont = getLabelFont(par);
532 switch (layout->margintype) {
534 if (!layout->leftmargin.empty()) {
535 string leftm = layout->leftmargin;
536 docstring dleft(leftm.begin(), leftm.end());
537 l_margin += font_metrics::signedWidth(dleft,
540 if (!par.getLabelstring().empty()) {
541 string labin = layout->labelindent;
542 docstring dlabin(labin.begin(), labin.end());
543 l_margin += font_metrics::signedWidth(dlabin,
545 string labstr = par.getLabelstring();
546 docstring dlabstr(labstr.begin(), labstr.end());
547 l_margin += font_metrics::width(dlabstr,
549 string labsep = layout->labelsep;
550 docstring dlabsep(labsep.begin(), labsep.end());
551 l_margin += font_metrics::width(dlabsep, labelfont);
555 case MARGIN_MANUAL: {
556 string labin = layout->labelindent;
557 docstring dlabin(labin.begin(), labin.end());
558 l_margin += font_metrics::signedWidth(dlabin, labelfont);
559 // The width of an empty par, even with manual label, should be 0
560 if (!par.empty() && pos >= par.beginOfBody()) {
561 if (!par.getLabelWidthString().empty()) {
562 string labstr = par.getLabelWidthString();
563 docstring dlabstr(labstr.begin(), labstr.end());
564 l_margin += font_metrics::width(dlabstr,
566 string labsep = layout->labelsep;
567 docstring dlabsep(labsep.begin(), labsep.end());
568 l_margin += font_metrics::width(dlabsep, labelfont);
574 case MARGIN_STATIC: {
575 string leftm = layout->leftmargin;
576 docstring dleft(leftm.begin(), leftm.end());
577 l_margin += font_metrics::signedWidth(dleft, params.getFont()) * 4
578 / (par.getDepth() + 4);
582 case MARGIN_FIRST_DYNAMIC:
583 if (layout->labeltype == LABEL_MANUAL) {
584 if (pos >= par.beginOfBody()) {
585 string leftm = layout->leftmargin;
586 docstring dleft(leftm.begin(), leftm.end());
587 l_margin += font_metrics::signedWidth(dleft,
590 string labin = layout->labelindent;
591 docstring dlabin(labin.begin(), labin.end());
592 l_margin += font_metrics::signedWidth(dlabin,
596 // Special case to fix problems with
598 || (layout->labeltype == LABEL_STATIC
599 && layout->latextype == LATEX_ENVIRONMENT
600 && !isFirstInSequence(pit, pars_))) {
601 string leftm = layout->leftmargin;
602 docstring dleft(leftm.begin(), leftm.end());
603 l_margin += font_metrics::signedWidth(dleft,
605 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
606 && layout->labeltype != LABEL_BIBLIO
607 && layout->labeltype !=
608 LABEL_CENTERED_TOP_ENVIRONMENT) {
609 string labin = layout->labelindent;
610 docstring dlabin(labin.begin(), labin.end());
611 l_margin += font_metrics::signedWidth(dlabin,
613 string labsep = layout->labelsep;
614 docstring dlabsep(labsep.begin(), labsep.end());
615 l_margin += font_metrics::width(dlabsep, labelfont);
616 string labstr = par.getLabelstring();
617 docstring dlabstr(labstr.begin(), labstr.end());
618 l_margin += font_metrics::width(dlabstr, labelfont);
622 case MARGIN_RIGHT_ADDRESS_BOX: {
624 // ok, a terrible hack. The left margin depends on the widest
625 // row in this paragraph.
626 RowList::iterator rit = par.rows().begin();
627 RowList::iterator end = par.rows().end();
629 #warning This is wrong.
631 int minfill = maxwidth_;
632 for ( ; rit != end; ++rit)
633 if (rit->fill() < minfill)
634 minfill = rit->fill();
635 l_margin += font_metrics::signedWidth(layout->leftmargin,
639 // also wrong, but much shorter.
640 l_margin += maxwidth_ / 2;
645 if (!par.params().leftIndent().zero())
646 l_margin += par.params().leftIndent().inPixels(maxwidth_);
650 if (par.params().align() == LYX_ALIGN_LAYOUT)
651 align = layout->align;
653 align = par.params().align();
655 // set the correct parindent
657 && (layout->labeltype == LABEL_NO_LABEL
658 || layout->labeltype == LABEL_TOP_ENVIRONMENT
659 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
660 || (layout->labeltype == LABEL_STATIC
661 && layout->latextype == LATEX_ENVIRONMENT
662 && !isFirstInSequence(pit, pars_)))
663 && align == LYX_ALIGN_BLOCK
664 && !par.params().noindent()
665 // in some insets, paragraphs are never indented
666 && !(par.inInset() && par.inInset()->neverIndent())
667 // display style insets are always centered, omit indentation
670 && par.getInset(pos)->display())
671 && (par.layout() != tclass.defaultLayout()
672 || bv()->buffer()->params().paragraph_separation ==
673 BufferParams::PARSEP_INDENT))
675 docstring din(parindent.begin(), parindent.end());
676 l_margin += font_metrics::signedWidth(din, params.getFont());
683 int LyXText::rightMargin(Paragraph const & par) const
685 // We do not want rightmargins on inner texts.
686 if (bv()->text() != this)
689 BufferParams const & params = bv()->buffer()->params();
690 LyXTextClass const & tclass = params.getLyXTextClass();
691 string trmarg = tclass.rightmargin();
692 docstring dtrmarg(trmarg.begin(), trmarg.end());
693 string lrmarg = par.layout()->rightmargin;
694 docstring dlrmarg(lrmarg.begin(), lrmarg.end());
697 + font_metrics::signedWidth(dtrmarg,
699 + font_metrics::signedWidth(dlrmarg,
701 * 4 / (par.getDepth() + 4);
707 int LyXText::labelEnd(pit_type const pit) const
709 // labelEnd is only needed if the layout fills a flushleft label.
710 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
712 // return the beginning of the body
713 return leftMargin(pit);
719 // this needs special handling - only newlines count as a break point
720 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
722 pos_type const end = par.size();
725 if (par.isNewline(i))
734 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
736 Paragraph const & par = pars_[pit];
737 pos_type const end = par.size();
738 pos_type const pos = row.pos();
744 // maximum pixel width of a row
745 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
751 LyXLayout_ptr const & layout = par.layout();
753 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
754 row.endpos(addressBreakPoint(pos, par));
758 pos_type const body_pos = par.beginOfBody();
761 // Now we iterate through until we reach the right margin
762 // or the end of the par, then choose the possible break
765 int const left = leftMargin(pit, pos);
768 // pixel width since last breakpoint
771 FontIterator fi = FontIterator(*this, par, pos);
772 pos_type point = end;
774 for ( ; i < end; ++i, ++fi) {
775 char_type const c = par.getChar(i);
776 int thiswidth = singleWidth(par, i, c, *fi);
778 // add the auto-hfill from label end to the body
779 if (body_pos && i == body_pos) {
780 string lsep = layout->labelsep;
781 docstring dlsep(lsep.begin(), lsep.end());
782 int add = font_metrics::width(dlsep, getLabelFont(par));
783 if (par.isLineSeparator(i - 1))
784 add -= singleWidth(par, i - 1);
786 add = std::max(add, labelEnd(pit) - x);
791 chunkwidth += thiswidth;
793 // break before a character that will fall off
794 // the right of the row
796 // if no break before, break here
797 if (point == end || chunkwidth >= width - left) {
804 // exit on last registered breakpoint:
808 if (par.isNewline(i)) {
814 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
819 if (par.isInset(i) && par.getInset(i)->display()) {
825 if (!par.isInset(i) || par.getInset(i)->isChar()) {
826 // some insets are line separators too
827 if (par.isLineSeparator(i)) {
828 // register breakpoint:
835 // maybe found one, but the par is short enough.
836 if (i == end && x < width)
839 // manual labels cannot be broken in LaTeX. But we
840 // want to make our on-screen rendering of footnotes
842 if (body_pos && point < body_pos)
849 void LyXText::setRowWidth(pit_type const pit, Row & row) const
851 // get the pure distance
852 pos_type const end = row.endpos();
854 Paragraph const & par = pars_[pit];
855 string const & labelsep = par.layout()->labelsep;
856 docstring dlsep(labelsep.begin(), labelsep.end());
857 int w = leftMargin(pit, row.pos());
859 pos_type const body_pos = par.beginOfBody();
860 pos_type i = row.pos();
863 FontIterator fi = FontIterator(*this, par, i);
864 for ( ; i < end; ++i, ++fi) {
865 if (body_pos > 0 && i == body_pos) {
866 w += font_metrics::width(dlsep, getLabelFont(par));
867 if (par.isLineSeparator(i - 1))
868 w -= singleWidth(par, i - 1);
869 w = max(w, labelEnd(pit));
871 char_type const c = par.getChar(i);
872 w += singleWidth(par, i, c, *fi);
876 if (body_pos > 0 && body_pos >= end) {
877 w += font_metrics::width(dlsep, getLabelFont(par));
878 if (end > 0 && par.isLineSeparator(end - 1))
879 w -= singleWidth(par, end - 1);
880 w = max(w, labelEnd(pit));
883 row.width(w + rightMargin(par));
887 // returns the minimum space a manual label needs on the screen in pixel
888 int LyXText::labelFill(Paragraph const & par, Row const & row) const
890 pos_type last = par.beginOfBody();
892 BOOST_ASSERT(last > 0);
894 // -1 because a label ends with a space that is in the label
897 // a separator at this end does not count
898 if (par.isLineSeparator(last))
902 for (pos_type i = row.pos(); i <= last; ++i)
903 w += singleWidth(par, i);
905 string const & label = par.params().labelWidthString();
909 docstring dlab(label.begin(), label.end());
910 return max(0, font_metrics::width(dlab, getLabelFont(par)) - w);
914 LColor_color LyXText::backgroundColor() const
916 return LColor_color(LColor::color(background_color_));
920 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
922 Paragraph const & par = pars_[pit];
923 // get the maximum ascent and the maximum descent
924 double layoutasc = 0;
925 double layoutdesc = 0;
926 double const dh = defaultRowHeight();
928 // ok, let us initialize the maxasc and maxdesc value.
929 // Only the fontsize count. The other properties
930 // are taken from the layoutfont. Nicer on the screen :)
931 LyXLayout_ptr const & layout = par.layout();
933 // as max get the first character of this row then it can
934 // increase but not decrease the height. Just some point to
935 // start with so we don't have to do the assignment below too
937 LyXFont font = getFont(par, row.pos());
938 LyXFont::FONT_SIZE const tmpsize = font.size();
939 font = getLayoutFont(pit);
940 LyXFont::FONT_SIZE const size = font.size();
941 font.setSize(tmpsize);
943 LyXFont labelfont = getLabelFont(par);
945 // these are minimum values
946 double const spacing_val = layout->spacing.getValue() * spacing(par);
947 //lyxerr << "spacing_val = " << spacing_val << endl;
948 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
949 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
951 // insets may be taller
952 InsetList::const_iterator ii = par.insetlist.begin();
953 InsetList::const_iterator iend = par.insetlist.end();
954 for ( ; ii != iend; ++ii) {
955 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
956 maxasc = max(maxasc, ii->inset->ascent());
957 maxdesc = max(maxdesc, ii->inset->descent());
961 // Check if any custom fonts are larger (Asger)
962 // This is not completely correct, but we can live with the small,
963 // cosmetic error for now.
965 pos_type const pos_end = row.endpos();
967 LyXFont::FONT_SIZE maxsize =
968 par.highestFontInRange(row.pos(), pos_end, size);
969 if (maxsize > font.size()) {
970 font.setSize(maxsize);
971 maxasc = max(maxasc, font_metrics::maxAscent(font));
972 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
975 // This is nicer with box insets:
982 if (row.pos() == 0) {
983 BufferParams const & bufparams = bv()->buffer()->params();
984 // some parksips VERY EASY IMPLEMENTATION
985 if (bv()->buffer()->params().paragraph_separation
986 == BufferParams::PARSEP_SKIP
988 && ((layout->isParagraph() && par.getDepth() == 0)
989 || (pars_[pit - 1].layout()->isParagraph()
990 && pars_[pit - 1].getDepth() == 0)))
992 maxasc += bufparams.getDefSkip().inPixels(*bv());
995 if (par.params().startOfAppendix())
996 maxasc += int(3 * dh);
998 // This is special code for the chapter, since the label of this
999 // layout is printed in an extra row
1000 if (layout->counter == "chapter"
1001 && !par.params().labelString().empty()) {
1002 labeladdon = int(font_metrics::maxHeight(labelfont)
1003 * layout->spacing.getValue()
1007 // special code for the top label
1008 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
1009 || layout->labeltype == LABEL_BIBLIO
1010 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
1011 && isFirstInSequence(pit, paragraphs())
1012 && !par.getLabelstring().empty())
1015 font_metrics::maxHeight(labelfont)
1016 * layout->spacing.getValue()
1018 + (layout->topsep + layout->labelbottomsep) * dh);
1021 // Add the layout spaces, for example before and after
1022 // a section, or between the items of a itemize or enumerate
1025 pit_type prev = depthHook(pit, pars_, par.getDepth());
1027 && pars_[prev].layout() == layout
1028 && pars_[prev].getDepth() == par.getDepth()
1029 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
1031 layoutasc = layout->itemsep * dh;
1032 } else if (pit != 0 || row.pos() != 0) {
1033 if (layout->topsep > 0)
1034 layoutasc = layout->topsep * dh;
1037 prev = outerHook(pit, pars_);
1038 if (prev != pit_type(pars_.size())) {
1039 maxasc += int(pars_[prev].layout()->parsep * dh);
1040 } else if (pit != 0) {
1041 if (pars_[pit - 1].getDepth() != 0 ||
1042 pars_[pit - 1].layout() == layout) {
1043 maxasc += int(layout->parsep * dh);
1048 // is it a bottom line?
1049 if (row.endpos() >= par.size()) {
1050 // add the layout spaces, for example before and after
1051 // a section, or between the items of a itemize or enumerate
1053 pit_type nextpit = pit + 1;
1054 if (nextpit != pit_type(pars_.size())) {
1055 pit_type cpit = pit;
1059 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
1060 usual = pars_[cpit].layout()->bottomsep * dh;
1061 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
1062 if (pars_[cpit].layout() != pars_[nextpit].layout()
1063 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1065 unusual = pars_[cpit].layout()->bottomsep * dh;
1067 layoutdesc = max(unusual, usual);
1068 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
1069 if (pars_[cpit].layout() != pars_[nextpit].layout()
1070 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1071 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1076 // incalculate the layout spaces
1077 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1078 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1080 // Top and bottom margin of the document (only at top-level)
1081 if (bv_owner->text() == this) {
1082 if (pit == 0 && row.pos() == 0)
1084 if (pit + 1 == pit_type(pars_.size()) &&
1085 row.endpos() == par.size())
1089 row.ascent(maxasc + labeladdon);
1090 row.descent(maxdesc);
1098 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1100 BOOST_ASSERT(this == cur.text());
1102 Paragraph & cpar = cur.paragraph();
1103 pit_type cpit = cur.pit();
1105 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1106 LyXLayout_ptr const & layout = cpar.layout();
1108 // this is only allowed, if the current paragraph is not empty
1109 // or caption and if it has not the keepempty flag active
1110 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1111 && layout->labeltype != LABEL_SENSITIVE)
1114 // a layout change may affect also the following paragraph
1115 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1117 // Always break behind a space
1118 // It is better to erase the space (Dekel)
1119 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1120 cpar.erase(cur.pos());
1122 // How should the layout for the new paragraph be?
1123 int preserve_layout = 0;
1125 preserve_layout = 2;
1127 preserve_layout = layout->isEnvironment();
1129 // We need to remember this before we break the paragraph, because
1130 // that invalidates the layout variable
1131 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1133 // we need to set this before we insert the paragraph.
1134 bool const isempty = cpar.allowEmpty() && cpar.empty();
1136 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1137 cur.pos(), preserve_layout);
1139 // After this, neither paragraph contains any rows!
1142 pit_type next_par = cpit + 1;
1144 // well this is the caption hack since one caption is really enough
1147 // set to standard-layout
1148 pars_[cpit].applyLayout(tclass.defaultLayout());
1150 // set to standard-layout
1151 pars_[next_par].applyLayout(tclass.defaultLayout());
1154 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1155 pars_[next_par].erase(0);
1157 ParIterator current_it(cur);
1158 ParIterator last_it(cur);
1162 updateLabels(cur.buffer(), current_it, last_it);
1164 // Mark "carriage return" as inserted if change tracking:
1165 if (cur.buffer().params().tracking_changes) {
1166 cur.paragraph().setChange(cur.paragraph().size(),
1170 // This check is necessary. Otherwise the new empty paragraph will
1171 // be deleted automatically. And it is more friendly for the user!
1172 if (cur.pos() != 0 || isempty)
1173 setCursor(cur, cur.pit() + 1, 0);
1175 setCursor(cur, cur.pit(), 0);
1179 // insert a character, moves all the following breaks in the
1180 // same Paragraph one to the right and make a rebreak
1181 void LyXText::insertChar(LCursor & cur, char_type c)
1183 BOOST_ASSERT(this == cur.text());
1184 BOOST_ASSERT(c != Paragraph::META_INSET);
1186 recordUndo(cur, Undo::INSERT);
1188 Paragraph & par = cur.paragraph();
1189 // try to remove this
1190 pit_type const pit = cur.pit();
1192 bool const freeSpacing = par.layout()->free_spacing ||
1193 par.isFreeSpacing();
1195 if (lyxrc.auto_number) {
1196 static string const number_operators = "+-/*";
1197 static string const number_unary_operators = "+-";
1198 static string const number_seperators = ".,:";
1200 if (current_font.number() == LyXFont::ON) {
1201 if (!isDigit(c) && !contains(number_operators, c) &&
1202 !(contains(number_seperators, c) &&
1204 cur.pos() != cur.lastpos() &&
1205 getFont(par, cur.pos()).number() == LyXFont::ON &&
1206 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1208 number(cur); // Set current_font.number to OFF
1209 } else if (isDigit(c) &&
1210 real_current_font.isVisibleRightToLeft()) {
1211 number(cur); // Set current_font.number to ON
1213 if (cur.pos() != 0) {
1214 char_type const c = par.getChar(cur.pos() - 1);
1215 if (contains(number_unary_operators, c) &&
1217 || par.isSeparator(cur.pos() - 2)
1218 || par.isNewline(cur.pos() - 2))
1220 setCharFont(pit, cur.pos() - 1, current_font);
1221 } else if (contains(number_seperators, c)
1223 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1224 setCharFont(pit, cur.pos() - 1, current_font);
1230 // First check, if there will be two blanks together or a blank at
1231 // the beginning of a paragraph.
1232 // I decided to handle blanks like normal characters, the main
1233 // difference are the special checks when calculating the row.fill
1234 // (blank does not count at the end of a row) and the check here
1236 // When the free-spacing option is set for the current layout,
1237 // disable the double-space checking
1238 if (!freeSpacing && isLineSeparatorChar(c)) {
1239 if (cur.pos() == 0) {
1240 static bool sent_space_message = false;
1241 if (!sent_space_message) {
1242 cur.message(_("You cannot insert a space at the "
1243 "beginning of a paragraph. Please read the Tutorial."));
1244 sent_space_message = true;
1248 BOOST_ASSERT(cur.pos() > 0);
1249 if ((par.isLineSeparator(cur.pos() - 1)
1250 || par.isNewline(cur.pos() - 1))
1251 && par.lookupChange(cur.pos() - 1) != Change::DELETED) {
1252 static bool sent_space_message = false;
1253 if (!sent_space_message) {
1254 cur.message(_("You cannot type two spaces this way. "
1255 "Please read the Tutorial."));
1256 sent_space_message = true;
1262 par.insertChar(cur.pos(), c, current_font);
1263 setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1268 void LyXText::charInserted()
1270 // Here we call finishUndo for every 20 characters inserted.
1271 // This is from my experience how emacs does it. (Lgb)
1272 static unsigned int counter;
1283 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1286 Paragraph const & par = pars_[pit];
1288 double w = dim_.wid - row.width();
1290 bool const is_rtl = isRTL(par);
1292 result.x = rightMargin(par);
1294 result.x = leftMargin(pit, row.pos());
1296 // is there a manual margin with a manual label
1297 LyXLayout_ptr const & layout = par.layout();
1299 if (layout->margintype == MARGIN_MANUAL
1300 && layout->labeltype == LABEL_MANUAL) {
1301 /// We might have real hfills in the label part
1302 int nlh = numberOfLabelHfills(par, row);
1304 // A manual label par (e.g. List) has an auto-hfill
1305 // between the label text and the body of the
1307 // But we don't want to do this auto hfill if the par
1312 if (nlh && !par.getLabelWidthString().empty())
1313 result.label_hfill = labelFill(par, row) / double(nlh);
1316 // are there any hfills in the row?
1317 int const nh = numberOfHfills(par, row);
1321 result.hfill = w / nh;
1322 // we don't have to look at the alignment if it is ALIGN_LEFT and
1323 // if the row is already larger then the permitted width as then
1324 // we force the LEFT_ALIGN'edness!
1325 } else if (int(row.width()) < maxwidth_) {
1326 // is it block, flushleft or flushright?
1327 // set x how you need it
1329 if (par.params().align() == LYX_ALIGN_LAYOUT)
1330 align = layout->align;
1332 align = par.params().align();
1334 // Display-style insets should always be on a centred row
1335 // The test on par.size() is to catch zero-size pars, which
1336 // would trigger the assert in Paragraph::getInset().
1337 //inset = par.size() ? par.getInset(row.pos()) : 0;
1339 && par.isInset(row.pos())
1340 && par.getInset(row.pos())->display())
1342 align = LYX_ALIGN_CENTER;
1346 case LYX_ALIGN_BLOCK: {
1347 int const ns = numberOfSeparators(par, row);
1348 bool disp_inset = false;
1349 if (row.endpos() < par.size()) {
1350 InsetBase const * in = par.getInset(row.endpos());
1352 disp_inset = in->display();
1354 // If we have separators, this is not the last row of a
1355 // par, does not end in newline, and is not row above a
1356 // display inset... then stretch it
1358 && row.endpos() < par.size()
1359 && !par.isNewline(row.endpos() - 1)
1362 result.separator = w / ns;
1363 } else if (is_rtl) {
1368 case LYX_ALIGN_RIGHT:
1371 case LYX_ALIGN_CENTER:
1377 bidi.computeTables(par, *bv()->buffer(), row);
1379 pos_type body_pos = par.beginOfBody();
1380 pos_type end = row.endpos();
1383 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1385 string lsep = layout->labelsep;
1386 docstring dlsep(lsep.begin(), lsep.end());
1387 result.x += font_metrics::width(dlsep, getLabelFont(par));
1388 if (body_pos <= end)
1389 result.x += result.label_hfill;
1397 // the cursor set functions have a special mechanism. When they
1398 // realize, that you left an empty paragraph, they will delete it.
1400 bool LyXText::cursorRightOneWord(LCursor & cur)
1402 BOOST_ASSERT(this == cur.text());
1406 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1410 // Advance through word.
1411 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1413 // Skip through trailing nonword stuff.
1414 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1417 return setCursor(cur, old.pit(), old.pos());
1421 bool LyXText::cursorLeftOneWord(LCursor & cur)
1423 BOOST_ASSERT(this == cur.text());
1427 if (old.pos() == 0 && old.pit() != 0) {
1429 old.pos() = old.lastpos();
1431 // Skip through initial nonword stuff.
1432 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1434 // Advance through word.
1435 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1438 return setCursor(cur, old.pit(), old.pos());
1442 void LyXText::selectWord(LCursor & cur, word_location loc)
1444 BOOST_ASSERT(this == cur.text());
1445 CursorSlice from = cur.top();
1446 CursorSlice to = cur.top();
1447 getWord(from, to, loc);
1448 if (cur.top() != from)
1449 setCursor(cur, from.pit(), from.pos());
1453 setCursor(cur, to.pit(), to.pos());
1458 // Select the word currently under the cursor when no
1459 // selection is currently set
1460 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1462 BOOST_ASSERT(this == cur.text());
1463 if (cur.selection())
1465 selectWord(cur, loc);
1466 return cur.selection();
1470 void LyXText::acceptChange(LCursor & cur)
1472 BOOST_ASSERT(this == cur.text());
1473 if (!cur.selection() && cur.lastpos() != 0)
1476 recordUndoSelection(cur, Undo::INSERT);
1478 DocIterator it = cur.selectionBegin();
1479 DocIterator et = cur.selectionEnd();
1480 pit_type pit = it.pit();
1481 Change::Type const type = pars_[pit].lookupChange(it.pos()).type;
1482 for (; pit <= et.pit(); ++pit) {
1483 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1485 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1486 pars_[pit].acceptChange(left, right);
1488 if (type == Change::DELETED) {
1489 ParagraphList & plist = paragraphs();
1490 if (it.pit() + 1 < et.pit())
1491 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1492 boost::next(plist.begin(), et.pit()));
1494 // Paragraph merge if appropriate:
1495 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1496 == Change::DELETED) {
1497 setCursorIntern(cur, it.pit() + 1, 0);
1502 cur.clearSelection();
1503 setCursorIntern(cur, it.pit(), 0);
1507 void LyXText::rejectChange(LCursor & cur)
1509 BOOST_ASSERT(this == cur.text());
1510 if (!cur.selection() && cur.lastpos() != 0)
1513 recordUndoSelection(cur, Undo::INSERT);
1515 DocIterator it = cur.selectionBegin();
1516 DocIterator et = cur.selectionEnd();
1517 pit_type pit = it.pit();
1518 Change::Type const type = pars_[pit].lookupChange(it.pos()).type;
1519 for (; pit <= et.pit(); ++pit) {
1520 pos_type left = ( pit == it.pit() ? it.pos() : 0 );
1522 ( pit == et.pit() ? et.pos() : pars_[pit].size() + 1 );
1523 pars_[pit].rejectChange(left, right);
1525 if (type == Change::INSERTED) {
1526 ParagraphList & plist = paragraphs();
1527 if (it.pit() + 1 < et.pit())
1528 pars_.erase(boost::next(plist.begin(), it.pit() + 1),
1529 boost::next(plist.begin(), et.pit()));
1530 // Paragraph merge if appropriate:
1531 if (pars_[it.pit()].lookupChange(pars_[it.pit()].size())
1532 == Change::INSERTED) {
1533 setCursorIntern(cur, it.pit() + 1, 0);
1538 cur.clearSelection();
1539 setCursorIntern(cur, it.pit(), 0);
1543 // Delete from cursor up to the end of the current or next word.
1544 void LyXText::deleteWordForward(LCursor & cur)
1546 BOOST_ASSERT(this == cur.text());
1547 if (cur.lastpos() == 0)
1551 cur.selection() = true;
1552 cursorRightOneWord(cur);
1554 cutSelection(cur, true, false);
1559 // Delete from cursor to start of current or prior word.
1560 void LyXText::deleteWordBackward(LCursor & cur)
1562 BOOST_ASSERT(this == cur.text());
1563 if (cur.lastpos() == 0)
1567 cur.selection() = true;
1568 cursorLeftOneWord(cur);
1570 cutSelection(cur, true, false);
1575 // Kill to end of line.
1576 void LyXText::deleteLineForward(LCursor & cur)
1578 BOOST_ASSERT(this == cur.text());
1579 if (cur.lastpos() == 0) {
1580 // Paragraph is empty, so we just go to the right
1584 cur.selection() = true; // to avoid deletion
1587 // What is this test for ??? (JMarc)
1588 if (!cur.selection())
1589 deleteWordForward(cur);
1591 cutSelection(cur, true, false);
1596 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1598 BOOST_ASSERT(this == cur.text());
1602 if (cur.selection()) {
1603 from = cur.selBegin();
1607 getWord(from, to, lyx::PARTIAL_WORD);
1608 cursorRightOneWord(cur);
1611 recordUndoSelection(cur);
1613 pos_type pos = from.pos();
1614 int par = from.pit();
1616 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1618 if (pos == pars_[pit].size()) {
1623 char_type c = pars_[pit].getChar(pos);
1624 if (c != Paragraph::META_INSET) {
1626 case text_lowercase:
1629 case text_capitalization:
1631 action = text_lowercase;
1633 case text_uppercase:
1638 #ifdef WITH_WARNINGS
1641 pars_[pit].setChar(pos, c);
1647 bool LyXText::erase(LCursor & cur)
1649 BOOST_ASSERT(this == cur.text());
1650 bool needsUpdate = false;
1652 if (cur.pos() != cur.lastpos()) {
1653 recordUndo(cur, Undo::DELETE, cur.pit());
1654 setCursorIntern(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1655 needsUpdate = backspace(cur);
1656 if (cur.paragraph().lookupChange(cur.pos()) == Change::DELETED)
1658 } else if (cur.pit() != cur.lastpit()) {
1661 setCursorIntern(cur, cur.pit() + 1, 0, false, false);
1662 if (pars_[cur.pit()].layout() == pars_[scur.pit()].layout()) {
1663 recordUndo(scur, Undo::DELETE, scur.pit());
1664 needsUpdate = backspace(cur);
1665 if (cur.buffer().params().tracking_changes) {
1666 // move forward after the paragraph break is DELETED
1667 Paragraph & par = cur.paragraph();
1668 if (par.lookupChange(par.size()) == Change::DELETED)
1669 setCursorIntern(cur, cur.pit() + 1, 0);
1672 setCursorIntern(scur, scur.pit(), scur.pos(), false, scur.boundary());
1679 bool LyXText::backspacePos0(LCursor & cur)
1681 BOOST_ASSERT(this == cur.text());
1682 bool needsUpdate = false;
1684 Paragraph & par = cur.paragraph();
1685 // is it an empty paragraph?
1686 pos_type lastpos = cur.lastpos();
1687 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1688 // This is an empty paragraph and we delete it just
1689 // by moving the cursor one step
1690 // left and let the DeleteEmptyParagraphMechanism
1691 // handle the actual deletion of the paragraph.
1693 if (cur.pit() != 0) {
1694 // For KeepEmpty layouts we need to get
1695 // rid of the keepEmpty setting first.
1696 // And the only way to do this is to
1697 // reset the layout to something
1698 // else: f.ex. the default layout.
1699 if (par.allowEmpty()) {
1700 Buffer & buf = cur.buffer();
1701 BufferParams const & bparams = buf.params();
1702 par.layout(bparams.getLyXTextClass().defaultLayout());
1711 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1713 pit_type tmppit = cur.pit();
1714 // We used to do cursorLeftIntern() here, but it is
1715 // not a good idea since it triggers the auto-delete
1716 // mechanism. So we do a cursorLeftIntern()-lite,
1717 // without the dreaded mechanism. (JMarc)
1718 if (cur.pit() != 0) {
1719 // steps into the above paragraph.
1720 setCursorIntern(cur, cur.pit() - 1,
1721 pars_[cur.pit() - 1].size(),
1725 // Pasting is not allowed, if the paragraphs have different
1726 // layout. I think it is a real bug of all other
1727 // word processors to allow it. It confuses the user.
1728 // Correction: Pasting is always allowed with standard-layout
1729 // Correction (Jug 20050717): Remove check about alignment!
1730 Buffer & buf = cur.buffer();
1731 BufferParams const & bufparams = buf.params();
1732 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1733 pit_type const cpit = cur.pit();
1736 && (pars_[cpit].layout() == pars_[tmppit].layout()
1737 || pars_[tmppit].layout() == tclass.defaultLayout()))
1739 mergeParagraph(bufparams, pars_, cpit);
1742 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1745 // the counters may have changed
1746 ParIterator par_it(cur);
1747 updateLabels(cur.buffer(), par_it);
1749 setCursor(cur, cur.pit(), cur.pos(), false);
1755 bool LyXText::backspace(LCursor & cur)
1757 BOOST_ASSERT(this == cur.text());
1758 bool needsUpdate = false;
1759 if (cur.pos() == 0) {
1760 // The cursor is at the beginning of a paragraph, so
1761 // the the backspace will collapse two paragraphs into
1764 if (cur.pit() != 0 && cur.buffer().params().tracking_changes) {
1765 // Previous paragraph, mark "carriage return" as
1767 Paragraph & par = pars_[cur.pit() - 1];
1768 // Take care of a just inserted para break:
1769 if (par.lookupChange(par.size()) != Change::INSERTED) {
1770 par.setChange(par.size(), Change::DELETED);
1771 setCursorIntern(cur, cur.pit() - 1, par.size());
1776 needsUpdate = backspacePos0(cur);
1779 // this is the code for a normal backspace, not pasting
1781 recordUndo(cur, Undo::DELETE);
1782 // We used to do cursorLeftIntern() here, but it is
1783 // not a good idea since it triggers the auto-delete
1784 // mechanism. So we do a cursorLeftIntern()-lite,
1785 // without the dreaded mechanism. (JMarc)
1786 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1787 false, cur.boundary());
1788 cur.paragraph().erase(cur.pos());
1791 if (cur.pos() == cur.lastpos())
1792 setCurrentFont(cur);
1794 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1800 Row const & LyXText::firstRow() const
1802 return *paragraphs().front().rows().begin();
1806 bool LyXText::redoParagraph(pit_type const pit)
1808 // remove rows of paragraph, keep track of height changes
1809 Paragraph & par = pars_[pit];
1811 // Add bibitem insets if necessary
1812 if (par.layout()->labeltype == LABEL_BIBLIO) {
1813 bool hasbibitem(false);
1814 if (!par.insetlist.empty()
1815 // Insist on it being in pos 0
1816 && par.getChar(0) == Paragraph::META_INSET) {
1817 InsetBase * inset = par.insetlist.begin()->inset;
1818 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1822 InsetBibitem * inset(new
1823 InsetBibitem(InsetCommandParams("bibitem")));
1824 par.insertInset(0, static_cast<InsetBase *>(inset));
1825 bv()->cursor().posRight();
1830 // FIXME: We should always use getFont(), see documentation of
1831 // noFontChange() in insetbase.h.
1832 LyXFont const bufferfont = bv()->buffer()->params().getFont();
1833 InsetList::iterator ii = par.insetlist.begin();
1834 InsetList::iterator iend = par.insetlist.end();
1835 for (; ii != iend; ++ii) {
1837 int const w = maxwidth_ - leftMargin(pit, ii->pos) - rightMargin(par);
1838 LyXFont const & font = ii->inset->noFontChange() ?
1840 getFont(par, ii->pos);
1841 MetricsInfo mi(bv(), font, w);
1842 ii->inset->metrics(mi, dim);
1845 // rebreak the paragraph
1849 par.setBeginOfBody();
1853 rowBreakPoint(pit, row);
1854 setRowWidth(pit, row);
1855 setHeightOfRow(pit, row);
1856 par.rows().push_back(row);
1857 dim.wid = std::max(dim.wid, row.width());
1858 dim.des += row.height();
1860 } while (z < par.size());
1862 // Make sure that if a par ends in newline, there is one more row
1864 // FIXME this is a dirty trick. Now the _same_ position in the
1865 // paragraph occurs in _two_ different rows, and has two different
1866 // display positions, leading to weird behaviour when moving up/down.
1867 if (z > 0 && par.isNewline(z - 1)) {
1870 setRowWidth(pit, row);
1871 setHeightOfRow(pit, row);
1872 par.rows().push_back(row);
1873 dim.des += row.height();
1876 dim.asc += par.rows()[0].ascent();
1877 dim.des -= par.rows()[0].ascent();
1879 bool const same = dim == par.dim();
1882 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1888 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1890 //BOOST_ASSERT(mi.base.textwidth);
1891 if (mi.base.textwidth)
1892 maxwidth_ = mi.base.textwidth;
1893 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1894 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1895 // save the caller's font locally:
1896 font_ = mi.base.font;
1900 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1902 Paragraph & par = paragraphs()[pit];
1904 if (w < par.width())
1909 dim.asc = pars_[0].ascent();
1910 dim.des = h - dim.asc;
1916 // only used for inset right now. should also be used for main text
1917 void LyXText::draw(PainterInfo & pi, int x, int y) const
1919 paintTextInset(*this, pi, x, y);
1924 // only used for inset right now. should also be used for main text
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 << "draw selection at " << x << endl;
1935 DocIterator beg = cur.selectionBegin();
1936 DocIterator end = cur.selectionEnd();
1938 // the selection doesn't touch the visible screen
1939 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1940 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1943 Paragraph const & par1 = pars_[beg.pit()];
1944 Paragraph const & par2 = pars_[end.pit()];
1946 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1947 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1950 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1955 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1956 int const startx = cursorX(beg.top(), begin.boundary());
1957 x1 = isRTL(par1) ? startx : 0;
1958 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1962 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1963 y2 = pi.base.bv->workHeight();
1967 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1968 int const endx = cursorX(end.top(), end.boundary());
1969 X1 = isRTL(par2) ? 0 : endx;
1970 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1973 lyxerr << " y1: " << y1 << " y2: " << y2
1974 << " xo: " << xo_ << " wid: " << dim_.wid
1977 // paint big rectangle in one go
1978 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1980 // reset background at begin of first selected line
1981 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1982 LColor::background);
1984 // reset background at end of last selected line
1985 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1986 X2 - X1, row2.height(), LColor::background);
1991 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1993 LCursor & cur = pi.base.bv->cursor();
1994 if (!cur.selection())
1996 if (!ptr_cmp(cur.text(), this))
1999 lyxerr[Debug::DEBUG]
2000 << BOOST_CURRENT_FUNCTION
2001 << "draw selection at " << x
2004 DocIterator beg = cur.selectionBegin();
2005 DocIterator end = cur.selectionEnd();
2007 // the selection doesn't touch the visible screen
2008 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
2009 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
2012 Paragraph const & par1 = pars_[beg.pit()];
2013 Paragraph const & par2 = pars_[end.pit()];
2015 bool const above = (bv_funcs::status(pi.base.bv, beg)
2016 == bv_funcs::CUR_ABOVE);
2017 bool const below = (bv_funcs::status(pi.base.bv, end)
2018 == bv_funcs::CUR_BELOW);
2026 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
2027 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
2028 y2 = y1 + row1.height();
2029 int const startx = cursorX(beg.top(), beg.boundary());
2030 x1 = !isRTL(par1) ? startx : 0;
2031 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
2036 Y1 = pi.base.bv->workHeight();
2037 Y2 = pi.base.bv->workHeight();
2041 Row const & row2 = par2.getRow(end.pos(), end.boundary());
2042 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
2043 Y2 = Y1 + row2.height();
2044 int const endx = cursorX(end.top(), end.boundary());
2045 X1 = !isRTL(par2) ? 0 : endx;
2046 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
2049 if (!above && !below && &par1.getRow(beg.pos(), beg.boundary())
2050 == &par2.getRow(end.pos(), end.boundary()))
2052 // paint only one rectangle
2053 int const b( !isRTL(par1) ? x + x1 : x + X1 );
2054 int const w( !isRTL(par1) ? X2 - x1 : x2 - X1 );
2055 pi.pain.fillRectangle(b, y1, w, y2 - y1, LColor::selection);
2059 lyxerr[Debug::DEBUG] << " y1: " << y1 << " y2: " << y2
2060 << "X1:" << X1 << " x2: " << X2 << " wid: " << dim_.wid
2063 // paint upper rectangle
2064 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
2066 // paint bottom rectangle
2067 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
2069 // paint center rectangle
2070 pi.pain.fillRectangle(x, y2, dim_.wid,
2071 Y1 - y2, LColor::selection);
2075 bool LyXText::isLastRow(pit_type pit, Row const & row) const
2077 return row.endpos() >= pars_[pit].size()
2078 && pit + 1 == pit_type(paragraphs().size());
2082 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
2084 return row.pos() == 0 && pit == 0;
2088 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
2089 word_location const loc)
2091 Paragraph const & from_par = pars_[from.pit()];
2093 case lyx::WHOLE_WORD_STRICT:
2094 if (from.pos() == 0 || from.pos() == from_par.size()
2095 || !from_par.isLetter(from.pos())
2096 || !from_par.isLetter(from.pos() - 1)) {
2100 // no break here, we go to the next
2102 case lyx::WHOLE_WORD:
2103 // If we are already at the beginning of a word, do nothing
2104 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
2106 // no break here, we go to the next
2108 case lyx::PREVIOUS_WORD:
2109 // always move the cursor to the beginning of previous word
2110 while (from.pos() && from_par.isLetter(from.pos() - 1))
2113 case lyx::NEXT_WORD:
2114 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
2117 case lyx::PARTIAL_WORD:
2118 // no need to move the 'from' cursor
2122 Paragraph & to_par = pars_[to.pit()];
2123 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
2128 void LyXText::write(Buffer const & buf, std::ostream & os) const
2130 ParagraphList::const_iterator pit = paragraphs().begin();
2131 ParagraphList::const_iterator end = paragraphs().end();
2132 Paragraph::depth_type dth = 0;
2133 for (; pit != end; ++pit)
2134 pit->write(buf, os, buf.params(), dth);
2138 bool LyXText::read(Buffer const & buf, LyXLex & lex, ErrorList & errorList)
2140 Paragraph::depth_type depth = 0;
2142 while (lex.isOK()) {
2144 string const token = lex.getString();
2149 if (token == "\\end_inset") {
2153 if (token == "\\end_body") {
2157 if (token == "\\begin_body") {
2161 if (token == "\\end_document") {
2165 if (token == "\\begin_layout") {
2166 lex.pushToken(token);
2169 par.params().depth(depth);
2170 if (buf.params().tracking_changes)
2172 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2173 pars_.push_back(par);
2175 // FIXME: goddamn InsetTabular makes us pass a Buffer
2177 ::readParagraph(buf, pars_.back(), lex, errorList);
2179 } else if (token == "\\begin_deeper") {
2181 } else if (token == "\\end_deeper") {
2183 lex.printError("\\end_deeper: " "depth is already null");
2188 lyxerr << "Handling unknown body token: `"
2189 << token << '\'' << endl;
2196 int LyXText::ascent() const
2202 int LyXText::descent() const
2208 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2210 pit_type const pit = sl.pit();
2211 Paragraph const & par = pars_[pit];
2212 if (par.rows().empty())
2215 pos_type ppos = sl.pos();
2216 // Correct position in front of big insets
2217 bool const boundary_correction = ppos != 0 && boundary;
2218 if (boundary_correction)
2221 Row const & row = par.getRow(sl.pos(), boundary);
2223 pos_type cursor_vpos = 0;
2225 RowMetrics const m = computeRowMetrics(pit, row);
2228 pos_type const row_pos = row.pos();
2229 pos_type const end = row.endpos();
2232 cursor_vpos = row_pos;
2233 else if (ppos >= end)
2234 cursor_vpos = isRTL(par) ? row_pos : end;
2235 else if (ppos > row_pos && ppos >= end)
2236 // Place cursor after char at (logical) position pos - 1
2237 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
2238 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
2240 // Place cursor before char at (logical) position ppos
2241 cursor_vpos = (bidi.level(ppos) % 2 == 0)
2242 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
2244 pos_type body_pos = par.beginOfBody();
2246 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2249 // Use font span to speed things up, see below
2253 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2254 pos_type pos = bidi.vis2log(vpos);
2255 if (body_pos > 0 && pos == body_pos - 1) {
2256 string lsep = par.layout()->labelsep;
2257 docstring dlsep(lsep.begin(), lsep.end());
2259 + font_metrics::width(dlsep,
2261 if (par.isLineSeparator(body_pos - 1))
2262 x -= singleWidth(par, body_pos - 1);
2265 // Use font span to speed things up, see above
2266 if (pos < font_span.first || pos > font_span.last) {
2267 font_span = par.fontSpan(pos);
2268 font = getFont(par, pos);
2271 x += singleWidth(par, pos, par.getChar(pos), font);
2273 if (hfillExpansion(par, row, pos))
2274 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
2275 else if (par.isSeparator(pos) && pos >= body_pos)
2279 // see correction above
2280 if (boundary_correction)
2281 if (getFont(par, ppos).isVisibleRightToLeft())
2282 x -= singleWidth(par, ppos);
2284 x += singleWidth(par, ppos);
2286 // Make sure inside an inset we always count from the left
2287 // edge (bidi!) -- MV
2288 if (sl.pos() < par.size()) {
2289 font = getFont(par, sl.pos());
2290 if (!boundary && font.isVisibleRightToLeft()
2291 && par.isInset(sl.pos()))
2292 x -= par.getInset(sl.pos())->width();
2298 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2300 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2301 Paragraph const & par = getPar(sl.pit());
2302 if (par.rows().empty())
2306 h -= pars_[0].rows()[0].ascent();
2307 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2308 h += pars_[pit].height();
2310 if (pos && boundary)
2312 size_t const rend = par.pos2row(pos);
2313 for (size_t rit = 0; rit != rend; ++rit)
2314 h += par.rows()[rit].height();
2315 h += par.rows()[rend].ascent();
2320 // Returns the current font and depth as a message.
2321 string LyXText::currentState(LCursor & cur)
2323 BOOST_ASSERT(this == cur.text());
2324 Buffer & buf = cur.buffer();
2325 Paragraph const & par = cur.paragraph();
2326 std::ostringstream os;
2328 bool const show_change = buf.params().tracking_changes
2329 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2331 if (buf.params().tracking_changes)
2335 Change change = par.lookupChange(cur.pos());
2336 Author const & a = buf.params().authors().get(change.author);
2337 os << _("Change: ") << a.name();
2338 if (!a.email().empty())
2339 os << " (" << a.email() << ")";
2340 if (change.changetime)
2341 os << _(" at ") << ctime(&change.changetime);
2345 // I think we should only show changes from the default
2347 // No, from the document font (MV)
2348 LyXFont font = real_current_font;
2349 font.reduce(buf.params().getFont());
2351 // avoid _(...) re-entrance problem
2352 string const s = font.stateText(&buf.params());
2353 os << bformat(_("Font: %1$s"), s);
2355 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2357 // The paragraph depth
2358 int depth = cur.paragraph().getDepth();
2360 os << bformat(_(", Depth: %1$d"), depth);
2362 // The paragraph spacing, but only if different from
2364 Spacing const & spacing = par.params().spacing();
2365 if (!spacing.isDefault()) {
2366 os << _(", Spacing: ");
2367 switch (spacing.getSpace()) {
2368 case Spacing::Single:
2371 case Spacing::Onehalf:
2374 case Spacing::Double:
2377 case Spacing::Other:
2378 os << _("Other (") << spacing.getValueAsString() << ')';
2380 case Spacing::Default:
2381 // should never happen, do nothing
2386 #ifdef DEVEL_VERSION
2387 os << _(", Inset: ") << &cur.inset();
2388 os << _(", Paragraph: ") << cur.pit();
2389 os << _(", Id: ") << par.id();
2390 os << _(", Position: ") << cur.pos();
2391 os << _(", Boundary: ") << cur.boundary();
2392 // Row & row = cur.textRow();
2393 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2399 string LyXText::getPossibleLabel(LCursor & cur) const
2401 pit_type pit = cur.pit();
2403 LyXLayout_ptr layout = pars_[pit].layout();
2405 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2406 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2407 if (layout2->latextype != LATEX_PARAGRAPH) {
2413 string name = layout->latexname();
2415 // for captions, we want the abbreviation of the float type
2416 if (layout->labeltype == LABEL_SENSITIVE) {
2417 // Search for the first float or wrap inset in the iterator
2418 size_t i = cur.depth();
2421 InsetBase * const in = &cur[i].inset();
2422 if (in->lyxCode() == InsetBase::FLOAT_CODE
2423 || in->lyxCode() == InsetBase::WRAP_CODE) {
2424 name = in->getInsetName();
2430 string text = name.substr(0, 3);
2431 if (name == "theorem")
2432 text = "thm"; // Create a correct prefix for prettyref
2435 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2438 string par_text = pars_[pit].asString(cur.buffer(), false);
2439 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2440 if (par_text.empty())
2443 par_text = split(par_text, head, ' ');
2444 // Is it legal to use spaces in labels ?
2454 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2458 // Paragraph const & par = pars_[pit];
2459 // Row const & r = par.rows()[row];
2460 // int pos = r.pos();
2461 // for (; currx < x && pos < r.endpos(); ++pos) {
2463 // currx += singleWidth(par, pos);
2465 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2471 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2473 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2475 Row const & r = pars_[pit].rows()[row];
2476 return r.pos() + getColumnNearX(pit, r, x, bound);
2480 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2482 // Paragraph const & par = pars_[pit];
2483 // Row const & r = par.rows()[row];
2489 // x,y are screen coordinates
2490 // sets cursor only within this LyXText
2491 bool LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2493 pit_type pit = getPitNearY(y);
2494 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2495 lyxerr[Debug::DEBUG]
2496 << BOOST_CURRENT_FUNCTION
2500 << " yy: " << yy << endl;
2502 Paragraph const & par = pars_[pit];
2504 BOOST_ASSERT(par.rows().size());
2505 for (; r < int(par.rows().size()) - 1; ++r) {
2506 Row const & row = par.rows()[r];
2507 if (int(yy + row.height()) > y)
2512 Row const & row = par.rows()[r];
2514 lyxerr[Debug::DEBUG]
2515 << BOOST_CURRENT_FUNCTION
2517 << " from pos: " << row.pos()
2522 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2524 lyxerr[Debug::DEBUG]
2525 << BOOST_CURRENT_FUNCTION
2526 << ": setting cursor pit: " << pit
2530 return setCursor(cur, pit, pos, true, bound);