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 "coordcache.h"
28 #include "CutAndPaste.h"
30 #include "dispatchresult.h"
32 #include "errorlist.h"
33 #include "funcrequest.h"
35 #include "FontIterator.h"
39 #include "lyxlength.h"
43 #include "lyxrow_funcs.h"
44 #include "metricsinfo.h"
45 #include "paragraph.h"
46 #include "paragraph_funcs.h"
47 #include "ParagraphParameters.h"
48 #include "rowpainter.h"
51 #include "WordLangTuple.h"
53 #include "frontends/font_metrics.h"
54 #include "frontends/LyXView.h"
55 #include "frontends/Painter.h"
57 #include "insets/insettext.h"
58 #include "insets/insetbibitem.h"
59 #include "insets/insethfill.h"
60 #include "insets/insetlatexaccent.h"
61 #include "insets/insetline.h"
62 #include "insets/insetnewline.h"
63 #include "insets/insetpagebreak.h"
64 #include "insets/insetoptarg.h"
65 #include "insets/insetspace.h"
66 #include "insets/insetspecialchar.h"
67 #include "insets/insettabular.h"
69 #include "support/lstrings.h"
70 #include "support/textutils.h"
71 #include "support/convert.h"
77 using lyx::word_location;
79 using lyx::support::bformat;
80 using lyx::support::contains;
81 using lyx::support::lowercase;
82 using lyx::support::split;
83 using lyx::support::uppercase;
85 using lyx::cap::cutSelection;
98 int numberOfSeparators(Paragraph const & par, Row const & row)
100 pos_type const first = max(row.pos(), par.beginOfBody());
101 pos_type const last = row.endpos() - 1;
103 for (pos_type p = first; p < last; ++p) {
104 if (par.isSeparator(p))
111 int numberOfLabelHfills(Paragraph const & par, Row const & row)
113 pos_type last = row.endpos() - 1;
114 pos_type first = row.pos();
116 // hfill *DO* count at the beginning of paragraphs!
118 while (first < last && par.isHfill(first))
122 last = min(last, par.beginOfBody());
124 for (pos_type p = first; p < last; ++p) {
132 int numberOfHfills(Paragraph const & par, Row const & row)
134 pos_type const last = row.endpos() - 1;
135 pos_type first = row.pos();
137 // hfill *DO* count at the beginning of paragraphs!
139 while (first < last && par.isHfill(first))
143 first = max(first, par.beginOfBody());
146 for (pos_type p = first; p < last; ++p) {
154 void readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
155 string const & token, LyXFont & font)
157 static Change change;
159 BufferParams const & bp = buf.params();
161 if (token[0] != '\\') {
162 string::const_iterator cit = token.begin();
163 for (; cit != token.end(); ++cit) {
164 par.insertChar(par.size(), (*cit), font, change);
166 } else if (token == "\\begin_layout") {
168 string layoutname = lex.getString();
170 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
173 LyXTextClass const & tclass = bp.getLyXTextClass();
175 if (layoutname.empty()) {
176 layoutname = tclass.defaultLayoutName();
179 bool hasLayout = tclass.hasLayout(layoutname);
182 buf.error(ErrorItem(_("Unknown layout"),
183 bformat(_("Layout '%1$s' does not exists in textclass '%2$s'\nTrying to use the default instead.\n"),
184 layoutname, tclass.name()), par.id(), 0, par.size()));
185 layoutname = tclass.defaultLayoutName();
188 par.layout(bp.getLyXTextClass()[layoutname]);
190 // Test whether the layout is obsolete.
191 LyXLayout_ptr const & layout = par.layout();
192 if (!layout->obsoleted_by().empty())
193 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
195 par.params().read(lex);
197 } else if (token == "\\end_layout") {
198 lyxerr << BOOST_CURRENT_FUNCTION
199 << ": Solitary \\end_layout in line "
200 << lex.getLineNo() << "\n"
201 << "Missing \\begin_layout?.\n";
202 } else if (token == "\\end_inset") {
203 lyxerr << BOOST_CURRENT_FUNCTION
204 << ": Solitary \\end_inset in line "
205 << lex.getLineNo() << "\n"
206 << "Missing \\begin_inset?.\n";
207 } else if (token == "\\begin_inset") {
208 InsetBase * inset = readInset(lex, buf);
210 par.insertInset(par.size(), inset, font, change);
213 string line = lex.getString();
214 buf.error(ErrorItem(_("Unknown Inset"), line,
215 par.id(), 0, par.size()));
217 } else if (token == "\\family") {
219 font.setLyXFamily(lex.getString());
220 } else if (token == "\\series") {
222 font.setLyXSeries(lex.getString());
223 } else if (token == "\\shape") {
225 font.setLyXShape(lex.getString());
226 } else if (token == "\\size") {
228 font.setLyXSize(lex.getString());
229 } else if (token == "\\lang") {
231 string const tok = lex.getString();
232 Language const * lang = languages.getLanguage(tok);
234 font.setLanguage(lang);
236 font.setLanguage(bp.language);
237 lex.printError("Unknown language `$$Token'");
239 } else if (token == "\\numeric") {
241 font.setNumber(font.setLyXMisc(lex.getString()));
242 } else if (token == "\\emph") {
244 font.setEmph(font.setLyXMisc(lex.getString()));
245 } else if (token == "\\bar") {
247 string const tok = lex.getString();
250 font.setUnderbar(LyXFont::ON);
251 else if (tok == "no")
252 font.setUnderbar(LyXFont::OFF);
253 else if (tok == "default")
254 font.setUnderbar(LyXFont::INHERIT);
256 lex.printError("Unknown bar font flag "
258 } else if (token == "\\noun") {
260 font.setNoun(font.setLyXMisc(lex.getString()));
261 } else if (token == "\\color") {
263 font.setLyXColor(lex.getString());
264 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
266 // Insets don't make sense in a free-spacing context! ---Kayvan
267 if (par.isFreeSpacing()) {
268 if (token == "\\InsetSpace")
269 par.insertChar(par.size(), ' ', font, change);
270 else if (lex.isOK()) {
272 string const next_token = lex.getString();
273 if (next_token == "\\-")
274 par.insertChar(par.size(), '-', font, change);
276 lex.printError("Token `$$Token' "
278 "paragraph layout!");
282 auto_ptr<InsetBase> inset;
283 if (token == "\\SpecialChar" )
284 inset.reset(new InsetSpecialChar);
286 inset.reset(new InsetSpace);
287 inset->read(buf, lex);
288 par.insertInset(par.size(), inset.release(),
291 } else if (token == "\\i") {
292 auto_ptr<InsetBase> inset(new InsetLatexAccent);
293 inset->read(buf, lex);
294 par.insertInset(par.size(), inset.release(), font, change);
295 } else if (token == "\\backslash") {
296 par.insertChar(par.size(), '\\', font, change);
297 } else if (token == "\\newline") {
298 auto_ptr<InsetBase> inset(new InsetNewline);
299 inset->read(buf, lex);
300 par.insertInset(par.size(), inset.release(), font, change);
301 } else if (token == "\\LyXTable") {
302 auto_ptr<InsetBase> inset(new InsetTabular(buf));
303 inset->read(buf, lex);
304 par.insertInset(par.size(), inset.release(), font, change);
305 } else if (token == "\\bibitem") {
306 InsetCommandParams p("bibitem", "dummy");
307 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
308 inset->read(buf, lex);
309 par.insertInset(par.size(), inset.release(), font, change);
310 } else if (token == "\\hfill") {
311 par.insertInset(par.size(), new InsetHFill, font, change);
312 } else if (token == "\\lyxline") {
313 par.insertInset(par.size(), new InsetLine, font, change);
314 } else if (token == "\\newpage") {
315 par.insertInset(par.size(), new InsetPagebreak, font, change);
316 } else if (token == "\\change_unchanged") {
317 // Hack ! Needed for empty paragraphs :/
318 // FIXME: is it still ??
321 change = Change(Change::UNCHANGED);
322 } else if (token == "\\change_inserted") {
324 std::istringstream is(lex.getString());
328 change = Change(Change::INSERTED, bp.author_map[aid], ct);
329 } else if (token == "\\change_deleted") {
331 std::istringstream is(lex.getString());
335 change = Change(Change::DELETED, bp.author_map[aid], ct);
338 buf.error(ErrorItem(_("Unknown token"),
339 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
340 par.id(), 0, par.size()));
345 void readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
348 string token = lex.getString();
353 readParToken(buf, par, lex, token, font);
356 token = lex.getString();
361 if (token == "\\end_layout") {
362 //Ok, paragraph finished
366 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
367 << token << '\'' << endl;
368 if (token == "\\begin_layout" || token == "\\end_document"
369 || token == "\\end_inset" || token == "\\begin_deeper"
370 || token == "\\end_deeper") {
371 lex.pushToken(token);
372 lyxerr << "Paragraph ended in line "
373 << lex.getLineNo() << "\n"
374 << "Missing \\end_layout.\n";
378 // Initialize begin_of_body_ on load; redoParagraph maintains
379 par.setBeginOfBody();
387 BufferView * LyXText::bv() const
389 BOOST_ASSERT(bv_owner != 0);
394 double LyXText::spacing(Paragraph const & par) const
396 if (par.params().spacing().isDefault())
397 return bv()->buffer()->params().spacing().getValue();
398 return par.params().spacing().getValue();
402 int LyXText::width() const
408 int LyXText::height() const
410 return dim_.height();
414 int LyXText::singleWidth(Paragraph const & par, pos_type pos) const
416 return singleWidth(par, pos, par.getChar(pos), getFont(par, pos));
420 int LyXText::singleWidth(Paragraph const & par,
421 pos_type pos, char c, LyXFont const & font) const
423 BOOST_ASSERT(pos < par.size());
425 // The most common case is handled first (Asger)
426 if (IsPrintable(c)) {
427 if (font.language()->RightToLeft()) {
428 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
429 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
430 && font.language()->lang() == "arabic") {
431 if (Encodings::IsComposeChar_arabic(c))
433 c = par.transformChar(c, pos);
434 } else if (font.language()->lang() == "hebrew" &&
435 Encodings::IsComposeChar_hebrew(c))
438 return font_metrics::width(c, font);
441 if (c == Paragraph::META_INSET)
442 return par.getInset(pos)->width();
444 if (IsSeparatorChar(c))
446 return font_metrics::width(c, font);
450 int LyXText::leftMargin(pit_type pit) const
452 BOOST_ASSERT(pit >= 0);
453 BOOST_ASSERT(pit < int(pars_.size()));
454 return leftMargin(pit, pars_[pit].size());
458 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
460 BOOST_ASSERT(pit >= 0);
461 BOOST_ASSERT(pit < int(pars_.size()));
462 Paragraph const & par = pars_[pit];
463 BOOST_ASSERT(pos >= 0);
464 BOOST_ASSERT(pos <= par.size());
465 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
466 LyXTextClass const & tclass =
467 bv()->buffer()->params().getLyXTextClass();
468 LyXLayout_ptr const & layout = par.layout();
470 string parindent = layout->parindent;
475 l_margin += changebarMargin();
477 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
479 if (par.getDepth() != 0) {
480 // find the next level paragraph
481 pit_type newpar = outerHook(pit, pars_);
482 if (newpar != pit_type(pars_.size())) {
483 if (pars_[newpar].layout()->isEnvironment()) {
484 l_margin = leftMargin(newpar);
486 if (par.layout() == tclass.defaultLayout()) {
487 if (pars_[newpar].params().noindent())
490 parindent = pars_[newpar].layout()->parindent;
495 LyXFont const labelfont = getLabelFont(par);
496 switch (layout->margintype) {
498 if (!layout->leftmargin.empty())
499 l_margin += font_metrics::signedWidth(layout->leftmargin,
500 tclass.defaultfont());
501 if (!par.getLabelstring().empty()) {
502 l_margin += font_metrics::signedWidth(layout->labelindent,
504 l_margin += font_metrics::width(par.getLabelstring(),
506 l_margin += font_metrics::width(layout->labelsep, labelfont);
511 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
512 // The width of an empty par, even with manual label, should be 0
513 if (!par.empty() && pos >= par.beginOfBody()) {
514 if (!par.getLabelWidthString().empty()) {
515 l_margin += font_metrics::width(par.getLabelWidthString(),
517 l_margin += font_metrics::width(layout->labelsep, labelfont);
523 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
524 / (par.getDepth() + 4);
527 case MARGIN_FIRST_DYNAMIC:
528 if (layout->labeltype == LABEL_MANUAL) {
529 if (pos >= par.beginOfBody()) {
530 l_margin += font_metrics::signedWidth(layout->leftmargin,
533 l_margin += font_metrics::signedWidth(layout->labelindent,
537 // Special case to fix problems with
539 || (layout->labeltype == LABEL_STATIC
540 && layout->latextype == LATEX_ENVIRONMENT
541 && !isFirstInSequence(pit, pars_))) {
542 l_margin += font_metrics::signedWidth(layout->leftmargin,
544 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
545 && layout->labeltype != LABEL_BIBLIO
546 && layout->labeltype !=
547 LABEL_CENTERED_TOP_ENVIRONMENT) {
548 l_margin += font_metrics::signedWidth(layout->labelindent,
550 l_margin += font_metrics::width(layout->labelsep, labelfont);
551 l_margin += font_metrics::width(par.getLabelstring(),
556 case MARGIN_RIGHT_ADDRESS_BOX: {
558 // ok, a terrible hack. The left margin depends on the widest
559 // row in this paragraph.
560 RowList::iterator rit = par.rows().begin();
561 RowList::iterator end = par.rows().end();
563 #warning This is wrong.
565 int minfill = maxwidth_;
566 for ( ; rit != end; ++rit)
567 if (rit->fill() < minfill)
568 minfill = rit->fill();
569 l_margin += font_metrics::signedWidth(layout->leftmargin,
570 tclass.defaultfont());
573 // also wrong, but much shorter.
574 l_margin += maxwidth_ / 2;
579 if (!par.params().leftIndent().zero())
580 l_margin += par.params().leftIndent().inPixels(maxwidth_);
584 if (par.params().align() == LYX_ALIGN_LAYOUT)
585 align = layout->align;
587 align = par.params().align();
589 // set the correct parindent
591 && (layout->labeltype == LABEL_NO_LABEL
592 || layout->labeltype == LABEL_TOP_ENVIRONMENT
593 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
594 || (layout->labeltype == LABEL_STATIC
595 && layout->latextype == LATEX_ENVIRONMENT
596 && !isFirstInSequence(pit, pars_)))
597 && align == LYX_ALIGN_BLOCK
598 && !par.params().noindent()
599 // display style insets are always centered, omit indentation
602 && par.getInset(pos)->display())
603 // in charstyles, tabulars and ert paragraphs are never indented!
604 && ((par.ownerCode() != InsetBase::TEXT_CODE || isMainText())
605 && par.ownerCode() != InsetBase::ERT_CODE
606 && par.ownerCode() != InsetBase::CHARSTYLE_CODE)
607 && (par.layout() != tclass.defaultLayout()
608 || bv()->buffer()->params().paragraph_separation ==
609 BufferParams::PARSEP_INDENT))
611 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
618 int LyXText::rightMargin(Paragraph const & par) const
620 // We do not want rightmargins on inner texts.
621 if (bv()->text() != this)
624 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
627 + font_metrics::signedWidth(tclass.rightmargin(),
628 tclass.defaultfont())
629 + font_metrics::signedWidth(par.layout()->rightmargin,
630 tclass.defaultfont())
631 * 4 / (par.getDepth() + 4);
637 int LyXText::labelEnd(pit_type const pit) const
639 // labelEnd is only needed if the layout fills a flushleft label.
640 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
642 // return the beginning of the body
643 return leftMargin(pit);
649 // this needs special handling - only newlines count as a break point
650 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
652 pos_type const end = par.size();
655 if (par.isNewline(i))
664 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
666 Paragraph const & par = pars_[pit];
667 pos_type const end = par.size();
668 pos_type const pos = row.pos();
674 // maximum pixel width of a row
675 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
681 LyXLayout_ptr const & layout = par.layout();
683 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
684 row.endpos(addressBreakPoint(pos, par));
688 pos_type const body_pos = par.beginOfBody();
691 // Now we iterate through until we reach the right margin
692 // or the end of the par, then choose the possible break
695 int const left = leftMargin(pit, pos);
698 // pixel width since last breakpoint
701 FontIterator fi = FontIterator(*this, par, pos);
702 pos_type point = end;
704 for ( ; i < end; ++i, ++fi) {
705 char const c = par.getChar(i);
708 int thiswidth = singleWidth(par, i, c, *fi);
710 // add the auto-hfill from label end to the body
711 if (body_pos && i == body_pos) {
712 int add = font_metrics::width(layout->labelsep, getLabelFont(par));
713 if (par.isLineSeparator(i - 1))
714 add -= singleWidth(par, i - 1);
716 add = std::max(add, labelEnd(pit) - x);
721 chunkwidth += thiswidth;
724 // break before a character that will fall off
725 // the right of the row
727 // if no break before, break here
728 if (point == end || chunkwidth >= width - left) {
735 // exit on last registered breakpoint:
739 if (par.isNewline(i)) {
745 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
750 if (par.isInset(i) && par.getInset(i)->display()) {
756 if (!par.isInset(i) || par.getInset(i)->isChar()) {
757 // some insets are line separators too
758 if (par.isLineSeparator(i)) {
759 // register breakpoint:
766 // maybe found one, but the par is short enough.
767 if (i == end && x < width)
770 // manual labels cannot be broken in LaTeX. But we
771 // want to make our on-screen rendering of footnotes
773 if (body_pos && point < body_pos)
780 void LyXText::setRowWidth(pit_type const pit, Row & row) const
782 // get the pure distance
783 pos_type const end = row.endpos();
785 Paragraph const & par = pars_[pit];
786 string const & labelsep = par.layout()->labelsep;
787 int w = leftMargin(pit, row.pos());
789 pos_type const body_pos = par.beginOfBody();
790 pos_type i = row.pos();
793 FontIterator fi = FontIterator(*this, par, i);
794 for ( ; i < end; ++i, ++fi) {
795 if (body_pos > 0 && i == body_pos) {
796 w += font_metrics::width(labelsep, getLabelFont(par));
797 if (par.isLineSeparator(i - 1))
798 w -= singleWidth(par, i - 1);
799 w = max(w, labelEnd(pit));
801 char const c = par.getChar(i);
802 w += singleWidth(par, i, c, *fi);
806 if (body_pos > 0 && body_pos >= end) {
807 w += font_metrics::width(labelsep, getLabelFont(par));
808 if (end > 0 && par.isLineSeparator(end - 1))
809 w -= singleWidth(par, end - 1);
810 w = max(w, labelEnd(pit));
813 row.width(w + rightMargin(par));
817 // returns the minimum space a manual label needs on the screen in pixel
818 int LyXText::labelFill(Paragraph const & par, Row const & row) const
820 pos_type last = par.beginOfBody();
822 BOOST_ASSERT(last > 0);
824 // -1 because a label ends with a space that is in the label
827 // a separator at this end does not count
828 if (par.isLineSeparator(last))
832 for (pos_type i = row.pos(); i <= last; ++i)
833 w += singleWidth(par, i);
835 string const & label = par.params().labelWidthString();
839 return max(0, font_metrics::width(label, getLabelFont(par)) - w);
843 LColor_color LyXText::backgroundColor() const
845 return LColor_color(LColor::color(background_color_));
849 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
851 Paragraph const & par = pars_[pit];
852 // get the maximum ascent and the maximum descent
853 double layoutasc = 0;
854 double layoutdesc = 0;
855 double const dh = defaultRowHeight();
857 // ok, let us initialize the maxasc and maxdesc value.
858 // Only the fontsize count. The other properties
859 // are taken from the layoutfont. Nicer on the screen :)
860 LyXLayout_ptr const & layout = par.layout();
862 // as max get the first character of this row then it can
863 // increase but not decrease the height. Just some point to
864 // start with so we don't have to do the assignment below too
866 LyXFont font = getFont(par, row.pos());
867 LyXFont::FONT_SIZE const tmpsize = font.size();
868 font = getLayoutFont(pit);
869 LyXFont::FONT_SIZE const size = font.size();
870 font.setSize(tmpsize);
872 LyXFont labelfont = getLabelFont(par);
874 // these are minimum values
875 double const spacing_val = layout->spacing.getValue() * spacing(par);
876 //lyxerr << "spacing_val = " << spacing_val << endl;
877 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
878 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
880 // insets may be taller
881 InsetList::const_iterator ii = par.insetlist.begin();
882 InsetList::const_iterator iend = par.insetlist.end();
883 for ( ; ii != iend; ++ii) {
884 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
885 maxasc = max(maxasc, ii->inset->ascent());
886 maxdesc = max(maxdesc, ii->inset->descent());
890 // Check if any custom fonts are larger (Asger)
891 // This is not completely correct, but we can live with the small,
892 // cosmetic error for now.
894 pos_type const pos_end = row.endpos();
896 LyXFont::FONT_SIZE maxsize =
897 par.highestFontInRange(row.pos(), pos_end, size);
898 if (maxsize > font.size()) {
899 font.setSize(maxsize);
900 maxasc = max(maxasc, font_metrics::maxAscent(font));
901 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
904 // This is nicer with box insets:
911 if (row.pos() == 0) {
912 BufferParams const & bufparams = bv()->buffer()->params();
913 // some parksips VERY EASY IMPLEMENTATION
914 if (bv()->buffer()->params().paragraph_separation
915 == BufferParams::PARSEP_SKIP
917 && ((layout->isParagraph() && par.getDepth() == 0)
918 || (pars_[pit - 1].layout()->isParagraph()
919 && pars_[pit - 1].getDepth() == 0)))
921 maxasc += bufparams.getDefSkip().inPixels(*bv());
924 if (par.params().startOfAppendix())
925 maxasc += int(3 * dh);
927 // This is special code for the chapter, since the label of this
928 // layout is printed in an extra row
929 if (layout->counter == "chapter"
930 && !par.params().labelString().empty()) {
931 labeladdon = int(font_metrics::maxHeight(labelfont)
932 * layout->spacing.getValue()
936 // special code for the top label
937 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
938 || layout->labeltype == LABEL_BIBLIO
939 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
940 && isFirstInSequence(pit, paragraphs())
941 && !par.getLabelstring().empty())
944 font_metrics::maxHeight(labelfont)
945 * layout->spacing.getValue()
947 + (layout->topsep + layout->labelbottomsep) * dh);
950 // Add the layout spaces, for example before and after
951 // a section, or between the items of a itemize or enumerate
954 pit_type prev = depthHook(pit, pars_, par.getDepth());
956 && pars_[prev].layout() == layout
957 && pars_[prev].getDepth() == par.getDepth()
958 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
960 layoutasc = layout->itemsep * dh;
961 } else if (pit != 0 || row.pos() != 0) {
962 if (layout->topsep > 0)
963 layoutasc = layout->topsep * dh;
966 prev = outerHook(pit, pars_);
967 if (prev != pit_type(pars_.size())) {
968 maxasc += int(pars_[prev].layout()->parsep * dh);
969 } else if (pit != 0) {
970 if (pars_[pit - 1].getDepth() != 0 ||
971 pars_[pit - 1].layout() == layout) {
972 maxasc += int(layout->parsep * dh);
977 // is it a bottom line?
978 if (row.endpos() >= par.size()) {
979 // add the layout spaces, for example before and after
980 // a section, or between the items of a itemize or enumerate
982 pit_type nextpit = pit + 1;
983 if (nextpit != pit_type(pars_.size())) {
988 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
989 usual = pars_[cpit].layout()->bottomsep * dh;
990 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
991 if (pars_[cpit].layout() != pars_[nextpit].layout()
992 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
994 unusual = pars_[cpit].layout()->bottomsep * dh;
996 layoutdesc = max(unusual, usual);
997 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
998 if (pars_[cpit].layout() != pars_[nextpit].layout()
999 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1000 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1005 // incalculate the layout spaces
1006 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1007 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1009 // Top and bottom margin of the document (only at top-level)
1010 if (bv_owner->text() == this) {
1011 if (pit == 0 && row.pos() == 0)
1013 if (pit + 1 == pars_.size() && row.endpos() == par.size())
1017 row.ascent(maxasc + labeladdon);
1018 row.descent(maxdesc);
1026 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1028 BOOST_ASSERT(this == cur.text());
1029 // allow only if at start or end, or all previous is new text
1030 Paragraph & cpar = cur.paragraph();
1031 pit_type cpit = cur.pit();
1033 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
1034 && cpar.isChangeEdited(0, cur.pos()))
1037 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1038 LyXLayout_ptr const & layout = cpar.layout();
1040 // this is only allowed, if the current paragraph is not empty
1041 // or caption and if it has not the keepempty flag active
1042 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1043 && layout->labeltype != LABEL_SENSITIVE)
1046 // a layout change may affect also the following paragraph
1047 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1049 // Always break behind a space
1050 // It is better to erase the space (Dekel)
1051 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1052 cpar.erase(cur.pos());
1054 // How should the layout for the new paragraph be?
1055 int preserve_layout = 0;
1057 preserve_layout = 2;
1059 preserve_layout = layout->isEnvironment();
1061 // We need to remember this before we break the paragraph, because
1062 // that invalidates the layout variable
1063 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1065 // we need to set this before we insert the paragraph.
1066 bool const isempty = cpar.allowEmpty() && cpar.empty();
1068 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1069 cur.pos(), preserve_layout);
1071 // After this, neither paragraph contains any rows!
1074 pit_type next_par = cpit + 1;
1076 // well this is the caption hack since one caption is really enough
1079 // set to standard-layout
1080 pars_[cpit].applyLayout(tclass.defaultLayout());
1082 // set to standard-layout
1083 pars_[next_par].applyLayout(tclass.defaultLayout());
1086 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1087 pars_[next_par].erase(0);
1089 updateCounters(cur.buffer());
1091 // This check is necessary. Otherwise the new empty paragraph will
1092 // be deleted automatically. And it is more friendly for the user!
1093 if (cur.pos() != 0 || isempty)
1094 setCursor(cur, cur.pit() + 1, 0);
1096 setCursor(cur, cur.pit(), 0);
1100 // insert a character, moves all the following breaks in the
1101 // same Paragraph one to the right and make a rebreak
1102 void LyXText::insertChar(LCursor & cur, char c)
1104 BOOST_ASSERT(this == cur.text());
1105 BOOST_ASSERT(c != Paragraph::META_INSET);
1107 recordUndo(cur, Undo::INSERT);
1109 Paragraph & par = cur.paragraph();
1110 // try to remove this
1111 pit_type const pit = cur.pit();
1113 bool const freeSpacing = par.layout()->free_spacing ||
1114 par.isFreeSpacing();
1116 if (lyxrc.auto_number) {
1117 static string const number_operators = "+-/*";
1118 static string const number_unary_operators = "+-";
1119 static string const number_seperators = ".,:";
1121 if (current_font.number() == LyXFont::ON) {
1122 if (!IsDigit(c) && !contains(number_operators, c) &&
1123 !(contains(number_seperators, c) &&
1125 cur.pos() != cur.lastpos() &&
1126 getFont(par, cur.pos()).number() == LyXFont::ON &&
1127 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1129 number(cur); // Set current_font.number to OFF
1130 } else if (IsDigit(c) &&
1131 real_current_font.isVisibleRightToLeft()) {
1132 number(cur); // Set current_font.number to ON
1134 if (cur.pos() != 0) {
1135 char const c = par.getChar(cur.pos() - 1);
1136 if (contains(number_unary_operators, c) &&
1138 || par.isSeparator(cur.pos() - 2)
1139 || par.isNewline(cur.pos() - 2))
1141 setCharFont(pit, cur.pos() - 1, current_font);
1142 } else if (contains(number_seperators, c)
1144 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1145 setCharFont(pit, cur.pos() - 1, current_font);
1151 // First check, if there will be two blanks together or a blank at
1152 // the beginning of a paragraph.
1153 // I decided to handle blanks like normal characters, the main
1154 // difference are the special checks when calculating the row.fill
1155 // (blank does not count at the end of a row) and the check here
1157 // The bug is triggered when we type in a description environment:
1158 // The current_font is not changed when we go from label to main text
1159 // and it should (along with realtmpfont) when we type the space.
1160 // CHECK There is a bug here! (Asger)
1162 // store the current font. This is because of the use of cursor
1163 // movements. The moving cursor would refresh the current font
1164 LyXFont realtmpfont = real_current_font;
1165 LyXFont rawtmpfont = current_font;
1167 // When the free-spacing option is set for the current layout,
1168 // disable the double-space checking
1169 if (!freeSpacing && IsLineSeparatorChar(c)) {
1170 if (cur.pos() == 0) {
1171 static bool sent_space_message = false;
1172 if (!sent_space_message) {
1173 cur.message(_("You cannot insert a space at the "
1174 "beginning of a paragraph. Please read the Tutorial."));
1175 sent_space_message = true;
1179 BOOST_ASSERT(cur.pos() > 0);
1180 if (par.isLineSeparator(cur.pos() - 1)
1181 || par.isNewline(cur.pos() - 1)) {
1182 static bool sent_space_message = false;
1183 if (!sent_space_message) {
1184 cur.message(_("You cannot type two spaces this way. "
1185 "Please read the Tutorial."));
1186 sent_space_message = true;
1192 par.insertChar(cur.pos(), c, rawtmpfont);
1194 current_font = rawtmpfont;
1195 real_current_font = realtmpfont;
1196 //setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1197 setCursor(cur, cur.pit(), cur.pos() + 1, false, true);
1202 void LyXText::charInserted()
1204 // Here we call finishUndo for every 20 characters inserted.
1205 // This is from my experience how emacs does it. (Lgb)
1206 static unsigned int counter;
1217 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1220 Paragraph const & par = pars_[pit];
1222 double w = dim_.wid - row.width();
1224 bool const is_rtl = isRTL(par);
1226 result.x = rightMargin(par);
1228 result.x = leftMargin(pit, row.pos());
1230 // is there a manual margin with a manual label
1231 LyXLayout_ptr const & layout = par.layout();
1233 if (layout->margintype == MARGIN_MANUAL
1234 && layout->labeltype == LABEL_MANUAL) {
1235 /// We might have real hfills in the label part
1236 int nlh = numberOfLabelHfills(par, row);
1238 // A manual label par (e.g. List) has an auto-hfill
1239 // between the label text and the body of the
1241 // But we don't want to do this auto hfill if the par
1246 if (nlh && !par.getLabelWidthString().empty())
1247 result.label_hfill = labelFill(par, row) / double(nlh);
1250 // are there any hfills in the row?
1251 int const nh = numberOfHfills(par, row);
1255 result.hfill = w / nh;
1256 // we don't have to look at the alignment if it is ALIGN_LEFT and
1257 // if the row is already larger then the permitted width as then
1258 // we force the LEFT_ALIGN'edness!
1259 } else if (int(row.width()) < maxwidth_) {
1260 // is it block, flushleft or flushright?
1261 // set x how you need it
1263 if (par.params().align() == LYX_ALIGN_LAYOUT)
1264 align = layout->align;
1266 align = par.params().align();
1268 // Display-style insets should always be on a centred row
1269 // The test on par.size() is to catch zero-size pars, which
1270 // would trigger the assert in Paragraph::getInset().
1271 //inset = par.size() ? par.getInset(row.pos()) : 0;
1273 && par.isInset(row.pos())
1274 && par.getInset(row.pos())->display())
1276 align = LYX_ALIGN_CENTER;
1280 case LYX_ALIGN_BLOCK: {
1281 int const ns = numberOfSeparators(par, row);
1282 bool disp_inset = false;
1283 if (row.endpos() < par.size()) {
1284 InsetBase const * in = par.getInset(row.endpos());
1286 disp_inset = in->display();
1288 // If we have separators, this is not the last row of a
1289 // par, does not end in newline, and is not row above a
1290 // display inset... then stretch it
1292 && row.endpos() < par.size()
1293 && !par.isNewline(row.endpos() - 1)
1296 result.separator = w / ns;
1297 } else if (is_rtl) {
1302 case LYX_ALIGN_RIGHT:
1305 case LYX_ALIGN_CENTER:
1311 bidi.computeTables(par, *bv()->buffer(), row);
1313 pos_type body_pos = par.beginOfBody();
1314 pos_type end = row.endpos();
1317 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1319 result.x += font_metrics::width(layout->labelsep, getLabelFont(par));
1320 if (body_pos <= end)
1321 result.x += result.label_hfill;
1329 // the cursor set functions have a special mechanism. When they
1330 // realize, that you left an empty paragraph, they will delete it.
1332 bool LyXText::cursorRightOneWord(LCursor & cur)
1334 BOOST_ASSERT(this == cur.text());
1338 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1342 // Skip through initial nonword stuff.
1343 // Treat floats and insets as words.
1344 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1346 // Advance through word.
1347 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1350 return setCursor(cur, old.pit(), old.pos());
1354 bool LyXText::cursorLeftOneWord(LCursor & cur)
1356 BOOST_ASSERT(this == cur.text());
1360 if (old.pos() == 0 && old.pit() != 0) {
1362 old.pos() = old.lastpos();
1364 // Skip through initial nonword stuff.
1365 // Treat floats and insets as words.
1366 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1368 // Advance through word.
1369 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1372 return setCursor(cur, old.pit(), old.pos());
1376 void LyXText::selectWord(LCursor & cur, word_location loc)
1378 BOOST_ASSERT(this == cur.text());
1379 CursorSlice from = cur.top();
1380 CursorSlice to = cur.top();
1381 getWord(from, to, loc);
1382 if (cur.top() != from)
1383 setCursor(cur, from.pit(), from.pos());
1387 setCursor(cur, to.pit(), to.pos());
1392 // Select the word currently under the cursor when no
1393 // selection is currently set
1394 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1396 BOOST_ASSERT(this == cur.text());
1397 if (cur.selection())
1399 selectWord(cur, loc);
1400 return cur.selection();
1404 void LyXText::acceptChange(LCursor & cur)
1406 BOOST_ASSERT(this == cur.text());
1407 if (!cur.selection() && cur.lastpos() != 0)
1410 CursorSlice const & startc = cur.selBegin();
1411 CursorSlice const & endc = cur.selEnd();
1412 if (startc.pit() == endc.pit()) {
1413 recordUndoSelection(cur, Undo::INSERT);
1414 pars_[startc.pit()].acceptChange(startc.pos(), endc.pos());
1416 cur.clearSelection();
1417 setCursorIntern(cur, startc.pit(), 0);
1419 #ifdef WITH_WARNINGS
1420 #warning handle multi par selection
1425 void LyXText::rejectChange(LCursor & cur)
1427 BOOST_ASSERT(this == cur.text());
1428 if (!cur.selection() && cur.lastpos() != 0)
1431 CursorSlice const & startc = cur.selBegin();
1432 CursorSlice const & endc = cur.selEnd();
1433 if (startc.pit() == endc.pit()) {
1434 recordUndoSelection(cur, Undo::INSERT);
1435 pars_[startc.pit()].rejectChange(startc.pos(), endc.pos());
1437 cur.clearSelection();
1438 setCursorIntern(cur, startc.pit(), 0);
1440 #ifdef WITH_WARNINGS
1441 #warning handle multi par selection
1446 // Delete from cursor up to the end of the current or next word.
1447 void LyXText::deleteWordForward(LCursor & cur)
1449 BOOST_ASSERT(this == cur.text());
1450 if (cur.lastpos() == 0)
1454 cur.selection() = true;
1455 cursorRightOneWord(cur);
1457 cutSelection(cur, true, false);
1462 // Delete from cursor to start of current or prior word.
1463 void LyXText::deleteWordBackward(LCursor & cur)
1465 BOOST_ASSERT(this == cur.text());
1466 if (cur.lastpos() == 0)
1470 cur.selection() = true;
1471 cursorLeftOneWord(cur);
1473 cutSelection(cur, true, false);
1478 // Kill to end of line.
1479 void LyXText::deleteLineForward(LCursor & cur)
1481 BOOST_ASSERT(this == cur.text());
1482 if (cur.lastpos() == 0) {
1483 // Paragraph is empty, so we just go to the right
1487 cur.selection() = true; // to avoid deletion
1490 // What is this test for ??? (JMarc)
1491 if (!cur.selection())
1492 deleteWordForward(cur);
1494 cutSelection(cur, true, false);
1499 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1501 BOOST_ASSERT(this == cur.text());
1505 if (cur.selection()) {
1506 from = cur.selBegin();
1510 getWord(from, to, lyx::PARTIAL_WORD);
1511 setCursor(cur, to.pit(), to.pos() + 1);
1514 recordUndoSelection(cur);
1516 pos_type pos = from.pos();
1517 int par = from.pit();
1519 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1521 if (pos == pars_[pit].size()) {
1526 unsigned char c = pars_[pit].getChar(pos);
1527 if (c != Paragraph::META_INSET) {
1529 case text_lowercase:
1532 case text_capitalization:
1534 action = text_lowercase;
1536 case text_uppercase:
1541 #ifdef WITH_WARNINGS
1544 pars_[pit].setChar(pos, c);
1550 void LyXText::Delete(LCursor & cur)
1552 BOOST_ASSERT(this == cur.text());
1553 if (cur.pos() != cur.lastpos()) {
1554 recordUndo(cur, Undo::DELETE, cur.pit());
1555 setCursorIntern(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1558 // should we do anything in an else branch?
1562 void LyXText::backspace(LCursor & cur)
1564 BOOST_ASSERT(this == cur.text());
1565 if (cur.pos() == 0) {
1566 // The cursor is at the beginning of a paragraph, so
1567 // the the backspace will collapse two paragraphs into
1570 // but it's not allowed unless it's new
1571 Paragraph & par = cur.paragraph();
1572 if (par.isChangeEdited(0, par.size()))
1575 // we may paste some paragraphs
1577 // is it an empty paragraph?
1578 pos_type lastpos = cur.lastpos();
1579 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1580 // This is an empty paragraph and we delete it just
1581 // by moving the cursor one step
1582 // left and let the DeleteEmptyParagraphMechanism
1583 // handle the actual deletion of the paragraph.
1585 if (cur.pit() != 0) {
1586 // For KeepEmpty layouts we need to get
1587 // rid of the keepEmpty setting first.
1588 // And the only way to do this is to
1589 // reset the layout to something
1590 // else: f.ex. the default layout.
1591 if (par.allowEmpty()) {
1592 Buffer & buf = cur.buffer();
1593 BufferParams const & bparams = buf.params();
1594 par.layout(bparams.getLyXTextClass().defaultLayout());
1603 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1605 pit_type tmppit = cur.pit();
1606 // We used to do cursorLeftIntern() here, but it is
1607 // not a good idea since it triggers the auto-delete
1608 // mechanism. So we do a cursorLeftIntern()-lite,
1609 // without the dreaded mechanism. (JMarc)
1610 if (cur.pit() != 0) {
1611 // steps into the above paragraph.
1612 setCursorIntern(cur, cur.pit() - 1,
1613 pars_[cur.pit() - 1].size(),
1617 // Pasting is not allowed, if the paragraphs have different
1618 // layout. I think it is a real bug of all other
1619 // word processors to allow it. It confuses the user.
1620 // Correction: Pasting is always allowed with standard-layout
1621 Buffer & buf = cur.buffer();
1622 BufferParams const & bufparams = buf.params();
1623 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1624 pit_type const cpit = cur.pit();
1627 && (pars_[cpit].layout() == pars_[tmppit].layout()
1628 || pars_[tmppit].layout() == tclass.defaultLayout())
1629 && pars_[cpit].getAlign() == pars_[tmppit].getAlign()) {
1630 mergeParagraph(bufparams, pars_, cpit);
1632 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1635 // the counters may have changed
1636 updateCounters(cur.buffer());
1637 setCursor(cur, cur.pit(), cur.pos(), false);
1640 // this is the code for a normal backspace, not pasting
1642 recordUndo(cur, Undo::DELETE);
1643 // We used to do cursorLeftIntern() here, but it is
1644 // not a good idea since it triggers the auto-delete
1645 // mechanism. So we do a cursorLeftIntern()-lite,
1646 // without the dreaded mechanism. (JMarc)
1647 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1648 false, cur.boundary());
1649 cur.paragraph().erase(cur.pos());
1652 if (cur.pos() == cur.lastpos())
1653 setCurrentFont(cur);
1655 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1659 Paragraph & LyXText::getPar(pit_type par) const
1661 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1662 BOOST_ASSERT(par >= 0);
1663 BOOST_ASSERT(par < int(paragraphs().size()));
1664 return paragraphs()[par];
1668 Row const & LyXText::firstRow() const
1670 return *paragraphs().front().rows().begin();
1674 bool LyXText::redoParagraph(pit_type const pit)
1676 // remove rows of paragraph, keep track of height changes
1677 Paragraph & par = pars_[pit];
1679 // Add bibitem insets if necessary
1680 if (par.layout()->labeltype == LABEL_BIBLIO) {
1681 bool hasbibitem(false);
1682 if (!par.insetlist.empty()
1683 // Insist on it being in pos 0
1684 && par.getChar(0) == Paragraph::META_INSET) {
1685 InsetBase * inset = par.insetlist.begin()->inset;
1686 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1690 InsetBibitem * inset(new
1691 InsetBibitem(InsetCommandParams("bibitem")));
1692 par.insertInset(0, static_cast<InsetBase *>(inset));
1693 bv()->cursor().posRight();
1698 InsetList::iterator ii = par.insetlist.begin();
1699 InsetList::iterator iend = par.insetlist.end();
1700 for (; ii != iend; ++ii) {
1702 int const w = maxwidth_ - leftMargin(pit) - rightMargin(par);
1703 MetricsInfo mi(bv(), getFont(par, ii->pos), w);
1704 ii->inset->metrics(mi, dim);
1707 // rebreak the paragraph
1711 par.setBeginOfBody();
1715 rowBreakPoint(pit, row);
1716 setRowWidth(pit, row);
1717 setHeightOfRow(pit, row);
1718 par.rows().push_back(row);
1719 dim.wid = std::max(dim.wid, row.width());
1720 dim.des += row.height();
1722 } while (z < par.size());
1724 dim.asc += par.rows()[0].ascent();
1725 dim.des -= par.rows()[0].ascent();
1727 bool const same = dim == par.dim();
1730 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1736 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1738 //BOOST_ASSERT(mi.base.textwidth);
1739 if (mi.base.textwidth)
1740 maxwidth_ = mi.base.textwidth;
1741 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1742 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1743 // save the caller's font locally:
1744 font_ = mi.base.font;
1748 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1750 Paragraph & par = paragraphs()[pit];
1752 if (w < par.width())
1757 dim.asc = pars_[0].ascent();
1758 dim.des = h - dim.asc;
1764 // only used for inset right now. should also be used for main text
1765 void LyXText::draw(PainterInfo & pi, int x, int y) const
1767 paintTextInset(*this, pi, x, y);
1772 // only used for inset right now. should also be used for main text
1773 void LyXText::drawSelection(PainterInfo & pi, int x , int) const
1775 LCursor & cur = pi.base.bv->cursor();
1776 if (!cur.selection())
1778 if (!ptr_cmp(cur.text(), this))
1781 lyxerr << "draw selection at " << x << endl;
1783 // is there a better way of getting these two iterators?
1784 DocIterator beg = cur;
1785 DocIterator end = cur;
1787 beg.top() = cur.selBegin();
1788 end.top() = cur.selEnd();
1790 // the selection doesn't touch the visible screen
1791 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1792 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1795 Paragraph const & par1 = pars_[beg.pit()];
1796 Paragraph const & par2 = pars_[end.pit()];
1798 Row const & row1 = par1.getRow(beg.pos());
1799 Row const & row2 = par2.getRow(end.pos());
1802 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1807 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1808 int const startx = cursorX(beg.top(), begin.boundary());
1809 x1 = isRTL(par1) ? startx : 0;
1810 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1814 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1815 y2 = pi.base.bv->workHeight();
1819 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1820 int const endx = cursorX(end.top(), end.boundary());
1821 X1 = isRTL(par2) ? 0 : endx;
1822 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1825 lyxerr << " y1: " << y1 << " y2: " << y2
1826 << " xo: " << xo_ << " wid: " << dim_.wid
1829 // paint big rectangle in one go
1830 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1832 // reset background at begin of first selected line
1833 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1834 LColor::background);
1836 // reset background at end of last selected line
1837 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1838 X2 - X1, row2.height(), LColor::background);
1843 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1845 LCursor & cur = pi.base.bv->cursor();
1846 if (!cur.selection())
1848 if (!ptr_cmp(cur.text(), this))
1851 lyxerr[Debug::DEBUG]
1852 << BOOST_CURRENT_FUNCTION
1853 << "draw selection at " << x
1856 // is there a better way of getting these two iterators?
1857 DocIterator beg = cur;
1858 DocIterator end = cur;
1860 beg.top() = cur.selBegin();
1861 end.top() = cur.selEnd();
1863 // the selection doesn't touch the visible screen
1864 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1865 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1868 Paragraph const & par1 = pars_[beg.pit()];
1869 Paragraph const & par2 = pars_[end.pit()];
1871 bool const above = (bv_funcs::status(pi.base.bv, beg)
1872 == bv_funcs::CUR_ABOVE);
1873 bool const below = (bv_funcs::status(pi.base.bv, end)
1874 == bv_funcs::CUR_BELOW);
1882 Row const & row1 = par1.getRow(beg.pos());
1883 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
1884 y2 = y1 + row1.height();
1885 int const startx = cursorX(beg.top(), beg.boundary());
1886 x1 = !isRTL(par1) ? startx : 0;
1887 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
1892 Y1 = pi.base.bv->workHeight();
1893 Y2 = pi.base.bv->workHeight();
1897 Row const & row2 = par2.getRow(end.pos());
1898 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
1899 Y2 = Y1 + row2.height();
1900 int const endx = cursorX(end.top(), end.boundary());
1901 X1 = !isRTL(par2) ? 0 : endx;
1902 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
1905 if (!above && !below && &par1.getRow(beg.pos())
1906 == &par2.getRow(end.pos()))
1908 // paint only one rectangle
1909 pi.pain.fillRectangle(x + x1, y1, X2 - x1, y2 - y1,
1914 // paint upper rectangle
1915 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
1917 // paint bottom rectangle
1918 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
1920 // paint center rectangle
1921 pi.pain.fillRectangle(x, y2, dim_.wid,
1922 Y1 - y2, LColor::selection);
1926 bool LyXText::isLastRow(pit_type pit, Row const & row) const
1928 return row.endpos() >= pars_[pit].size()
1929 && pit + 1 == pit_type(paragraphs().size());
1933 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
1935 return row.pos() == 0 && pit == 0;
1939 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1940 word_location const loc)
1942 Paragraph const & from_par = pars_[from.pit()];
1944 case lyx::WHOLE_WORD_STRICT:
1945 if (from.pos() == 0 || from.pos() == from_par.size()
1946 || !from_par.isLetter(from.pos())
1947 || !from_par.isLetter(from.pos() - 1)) {
1951 // no break here, we go to the next
1953 case lyx::WHOLE_WORD:
1954 // If we are already at the beginning of a word, do nothing
1955 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
1957 // no break here, we go to the next
1959 case lyx::PREVIOUS_WORD:
1960 // always move the cursor to the beginning of previous word
1961 while (from.pos() && from_par.isLetter(from.pos() - 1))
1964 case lyx::NEXT_WORD:
1965 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1968 case lyx::PARTIAL_WORD:
1969 // no need to move the 'from' cursor
1973 Paragraph & to_par = pars_[to.pit()];
1974 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
1979 void LyXText::write(Buffer const & buf, std::ostream & os) const
1981 ParagraphList::const_iterator pit = paragraphs().begin();
1982 ParagraphList::const_iterator end = paragraphs().end();
1983 Paragraph::depth_type dth = 0;
1984 for (; pit != end; ++pit)
1985 pit->write(buf, os, buf.params(), dth);
1989 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1991 static Change current_change;
1993 Paragraph::depth_type depth = 0;
1995 while (lex.isOK()) {
1997 string const token = lex.getString();
2002 if (token == "\\end_inset") {
2006 if (token == "\\end_body") {
2010 if (token == "\\begin_body") {
2014 if (token == "\\end_document") {
2018 if (token == "\\begin_layout") {
2019 lex.pushToken(token);
2022 par.params().depth(depth);
2023 if (buf.params().tracking_changes)
2025 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2026 pars_.push_back(par);
2028 // FIXME: goddamn InsetTabular makes us pass a Buffer
2030 ::readParagraph(buf, pars_.back(), lex);
2032 } else if (token == "\\begin_deeper") {
2034 } else if (token == "\\end_deeper") {
2036 lex.printError("\\end_deeper: " "depth is already null");
2041 lyxerr << "Handling unknown body token: `"
2042 << token << '\'' << endl;
2049 int LyXText::ascent() const
2055 int LyXText::descent() const
2061 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2063 pit_type const pit = sl.pit();
2064 Paragraph const & par = pars_[pit];
2065 if (par.rows().empty())
2068 pos_type pos = sl.pos();
2069 //// Correct position in front of big insets
2070 //if (pos && boundary)
2073 Row const & row = par.getRow(pos);
2075 pos_type cursor_vpos = 0;
2077 RowMetrics const m = computeRowMetrics(pit, row);
2080 pos_type const row_pos = row.pos();
2081 pos_type const end = row.endpos();
2084 cursor_vpos = row_pos;
2085 else if (pos >= end)
2086 cursor_vpos = isRTL(par) ? row_pos : end;
2087 else if (pos > row_pos && pos >= end)
2088 // Place cursor after char at (logical) position pos - 1
2089 cursor_vpos = (bidi.level(pos - 1) % 2 == 0)
2090 ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
2092 // Place cursor before char at (logical) position pos
2093 cursor_vpos = (bidi.level(pos) % 2 == 0)
2094 ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
2096 pos_type body_pos = par.beginOfBody();
2098 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2101 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2102 pos_type pos = bidi.vis2log(vpos);
2103 if (body_pos > 0 && pos == body_pos - 1) {
2105 + font_metrics::width(par.layout()->labelsep,
2107 if (par.isLineSeparator(body_pos - 1))
2108 x -= singleWidth(par, body_pos - 1);
2111 if (hfillExpansion(par, row, pos)) {
2112 x += singleWidth(par, pos);
2113 if (pos >= body_pos)
2117 } else if (par.isSeparator(pos)) {
2118 x += singleWidth(par, pos);
2119 if (pos >= body_pos)
2122 x += singleWidth(par, pos);
2125 // see correction above
2126 //if (pos && boundary)
2127 // x += singleWidth(par, pos + 1);
2133 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2135 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2136 Paragraph const & par = getPar(sl.pit());
2138 h -= pars_[0].rows()[0].ascent();
2139 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2140 h += pars_[pit].height();
2141 //size_t const rend = par.pos2row(sl.pos() - boundary ? 1 : 0);
2142 size_t const rend = par.pos2row(sl.pos());
2143 for (size_t rit = 0; rit != rend; ++rit)
2144 h += par.rows()[rit].height();
2145 h += par.rows()[rend].ascent();
2150 // Returns the current font and depth as a message.
2151 string LyXText::currentState(LCursor & cur)
2153 BOOST_ASSERT(this == cur.text());
2154 Buffer & buf = cur.buffer();
2155 Paragraph const & par = cur.paragraph();
2156 std::ostringstream os;
2158 bool const show_change = buf.params().tracking_changes
2159 && cur.pos() != cur.lastpos()
2160 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2163 Change change = par.lookupChangeFull(cur.pos());
2164 Author const & a = buf.params().authors().get(change.author);
2165 os << _("Change: ") << a.name();
2166 if (!a.email().empty())
2167 os << " (" << a.email() << ")";
2168 if (change.changetime)
2169 os << _(" at ") << ctime(&change.changetime);
2173 // I think we should only show changes from the default
2175 LyXFont font = real_current_font;
2176 font.reduce(buf.params().getLyXTextClass().defaultfont());
2178 // avoid _(...) re-entrance problem
2179 string const s = font.stateText(&buf.params());
2180 os << bformat(_("Font: %1$s"), s);
2182 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2184 // The paragraph depth
2185 int depth = cur.paragraph().getDepth();
2187 os << bformat(_(", Depth: %1$d"), depth);
2189 // The paragraph spacing, but only if different from
2191 Spacing const & spacing = par.params().spacing();
2192 if (!spacing.isDefault()) {
2193 os << _(", Spacing: ");
2194 switch (spacing.getSpace()) {
2195 case Spacing::Single:
2198 case Spacing::Onehalf:
2201 case Spacing::Double:
2204 case Spacing::Other:
2205 os << _("Other (") << spacing.getValueAsString() << ')';
2207 case Spacing::Default:
2208 // should never happen, do nothing
2213 #ifdef DEVEL_VERSION
2214 os << _(", Inset: ") << &cur.inset();
2215 os << _(", Paragraph: ") << cur.pit();
2216 os << _(", Id: ") << par.id();
2217 os << _(", Position: ") << cur.pos();
2218 // Row & row = cur.textRow();
2219 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2225 string LyXText::getPossibleLabel(LCursor & cur) const
2227 pit_type pit = cur.pit();
2229 LyXLayout_ptr layout = pars_[pit].layout();
2231 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2232 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2233 if (layout2->latextype != LATEX_PARAGRAPH) {
2239 string text = layout->latexname().substr(0, 3);
2240 if (layout->latexname() == "theorem")
2241 text = "thm"; // Create a correct prefix for prettyref
2244 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2247 string par_text = pars_[pit].asString(cur.buffer(), false);
2248 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2249 if (par_text.empty())
2252 par_text = split(par_text, head, ' ');
2253 // Is it legal to use spaces in labels ?
2263 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2267 // Paragraph const & par = pars_[pit];
2268 // Row const & r = par.rows()[row];
2269 // int pos = r.pos();
2270 // for (; currx < x && pos < r.endpos(); ++pos) {
2272 // currx += singleWidth(par, pos);
2274 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2280 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2282 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2284 Row const & r = pars_[pit].rows()[row];
2285 return r.pos() + getColumnNearX(pit, r, x, bound);
2289 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2291 // Paragraph const & par = pars_[pit];
2292 // Row const & r = par.rows()[row];
2298 // x,y are screen coordinates
2299 // sets cursor only within this LyXText
2300 void LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2302 pit_type pit = getPitNearY(y);
2303 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2304 lyxerr[Debug::DEBUG]
2305 << BOOST_CURRENT_FUNCTION
2309 << " yy: " << yy << endl;
2311 Paragraph const & par = pars_[pit];
2313 BOOST_ASSERT(par.rows().size());
2314 for (; r < int(par.rows().size()) - 1; ++r) {
2315 Row const & row = par.rows()[r];
2316 if (int(yy + row.height()) > y)
2321 Row const & row = par.rows()[r];
2323 lyxerr[Debug::DEBUG]
2324 << BOOST_CURRENT_FUNCTION
2326 << " from pos: " << row.pos()
2331 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2333 lyxerr[Debug::DEBUG]
2334 << BOOST_CURRENT_FUNCTION
2335 << ": setting cursor pit: " << pit
2339 setCursor(cur, pit, pos, true, bound);