3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
10 * \author André Pönitz
12 * \author Jürgen Vigna
14 * Full author contact details are available in file CREDITS.
23 #include "bufferparams.h"
24 #include "BufferView.h"
26 #include "CutAndPaste.h"
28 #include "dispatchresult.h"
30 #include "errorlist.h"
31 #include "funcrequest.h"
33 #include "FontIterator.h"
37 #include "lyxlength.h"
41 #include "lyxrow_funcs.h"
42 #include "metricsinfo.h"
43 #include "paragraph.h"
44 #include "paragraph_funcs.h"
45 #include "ParagraphParameters.h"
46 #include "rowpainter.h"
49 #include "WordLangTuple.h"
51 #include "frontends/font_metrics.h"
52 #include "frontends/LyXView.h"
54 #include "insets/insettext.h"
55 #include "insets/insetbibitem.h"
56 #include "insets/insethfill.h"
57 #include "insets/insetlatexaccent.h"
58 #include "insets/insetline.h"
59 #include "insets/insetnewline.h"
60 #include "insets/insetpagebreak.h"
61 #include "insets/insetoptarg.h"
62 #include "insets/insetspace.h"
63 #include "insets/insetspecialchar.h"
64 #include "insets/insettabular.h"
66 #include "support/lstrings.h"
67 #include "support/textutils.h"
68 #include "support/tostr.h"
69 #include "support/std_sstream.h"
73 using lyx::word_location;
75 using lyx::support::bformat;
76 using lyx::support::contains;
77 using lyx::support::lowercase;
78 using lyx::support::split;
79 using lyx::support::uppercase;
81 using lyx::cap::cutSelection;
92 /// some space for drawing the 'nested' markers (in pixel)
93 extern int const NEST_MARGIN = 20;
94 /// margin for changebar
95 extern int const CHANGEBAR_MARGIN = 10;
97 extern int const RIGHT_MARGIN = 10;
102 int numberOfSeparators(Paragraph const & par, Row const & row)
104 pos_type const first = max(row.pos(), par.beginOfBody());
105 pos_type const last = row.endpos() - 1;
107 for (pos_type p = first; p < last; ++p) {
108 if (par.isSeparator(p))
115 unsigned int maxParagraphWidth(ParagraphList const & plist)
117 unsigned int width = 0;
118 ParagraphList::const_iterator pit = plist.begin();
119 ParagraphList::const_iterator end = plist.end();
120 for (; pit != end; ++pit)
121 width = std::max(width, pit->width);
126 int numberOfLabelHfills(Paragraph const & par, Row const & row)
128 pos_type last = row.endpos() - 1;
129 pos_type first = row.pos();
131 // hfill *DO* count at the beginning of paragraphs!
133 while (first < last && par.isHfill(first))
137 last = min(last, par.beginOfBody());
139 for (pos_type p = first; p < last; ++p) {
147 int numberOfHfills(Paragraph const & par, Row const & row)
149 pos_type const last = row.endpos() - 1;
150 pos_type first = row.pos();
152 // hfill *DO* count at the beginning of paragraphs!
154 while (first < last && par.isHfill(first))
158 first = max(first, par.beginOfBody());
161 for (pos_type p = first; p < last; ++p) {
169 int readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
170 string const & token)
173 static Change change;
175 BufferParams const & bp = buf.params();
177 if (token[0] != '\\') {
178 string::const_iterator cit = token.begin();
179 for (; cit != token.end(); ++cit) {
180 par.insertChar(par.size(), (*cit), font, change);
182 } else if (token == "\\begin_layout") {
184 string layoutname = lex.getString();
186 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
189 LyXTextClass const & tclass = bp.getLyXTextClass();
191 if (layoutname.empty()) {
192 layoutname = tclass.defaultLayoutName();
195 bool hasLayout = tclass.hasLayout(layoutname);
198 lyxerr << "Layout '" << layoutname << "' does not"
199 << " exist in textclass '" << tclass.name()
201 lyxerr << "Trying to use default layout instead."
203 layoutname = tclass.defaultLayoutName();
206 par.layout(bp.getLyXTextClass()[layoutname]);
208 // Test whether the layout is obsolete.
209 LyXLayout_ptr const & layout = par.layout();
210 if (!layout->obsoleted_by().empty())
211 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
213 par.params().read(lex);
215 } else if (token == "\\end_layout") {
216 lyxerr << "Solitary \\end_layout in line " << lex.getLineNo() << "\n"
217 << "Missing \\begin_layout?.\n";
218 } else if (token == "\\end_inset") {
219 lyxerr << "Solitary \\end_inset in line " << lex.getLineNo() << "\n"
220 << "Missing \\begin_inset?.\n";
221 } else if (token == "\\begin_inset") {
222 InsetBase * inset = readInset(lex, buf);
224 par.insertInset(par.size(), inset, font, change);
227 string line = lex.getString();
228 buf.error(ErrorItem(_("Unknown Inset"), line,
229 par.id(), 0, par.size()));
232 } else if (token == "\\family") {
234 font.setLyXFamily(lex.getString());
235 } else if (token == "\\series") {
237 font.setLyXSeries(lex.getString());
238 } else if (token == "\\shape") {
240 font.setLyXShape(lex.getString());
241 } else if (token == "\\size") {
243 font.setLyXSize(lex.getString());
244 } else if (token == "\\lang") {
246 string const tok = lex.getString();
247 Language const * lang = languages.getLanguage(tok);
249 font.setLanguage(lang);
251 font.setLanguage(bp.language);
252 lex.printError("Unknown language `$$Token'");
254 } else if (token == "\\numeric") {
256 font.setNumber(font.setLyXMisc(lex.getString()));
257 } else if (token == "\\emph") {
259 font.setEmph(font.setLyXMisc(lex.getString()));
260 } else if (token == "\\bar") {
262 string const tok = lex.getString();
265 font.setUnderbar(LyXFont::ON);
266 else if (tok == "no")
267 font.setUnderbar(LyXFont::OFF);
268 else if (tok == "default")
269 font.setUnderbar(LyXFont::INHERIT);
271 lex.printError("Unknown bar font flag "
273 } else if (token == "\\noun") {
275 font.setNoun(font.setLyXMisc(lex.getString()));
276 } else if (token == "\\color") {
278 font.setLyXColor(lex.getString());
279 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
281 // Insets don't make sense in a free-spacing context! ---Kayvan
282 if (par.isFreeSpacing()) {
283 if (token == "\\InsetSpace")
284 par.insertChar(par.size(), ' ', font, change);
285 else if (lex.isOK()) {
287 string const next_token = lex.getString();
288 if (next_token == "\\-")
289 par.insertChar(par.size(), '-', font, change);
291 lex.printError("Token `$$Token' "
293 "paragraph layout!");
297 auto_ptr<InsetBase> inset;
298 if (token == "\\SpecialChar" )
299 inset.reset(new InsetSpecialChar);
301 inset.reset(new InsetSpace);
302 inset->read(buf, lex);
303 par.insertInset(par.size(), inset.release(),
306 } else if (token == "\\i") {
307 auto_ptr<InsetBase> inset(new InsetLatexAccent);
308 inset->read(buf, lex);
309 par.insertInset(par.size(), inset.release(), font, change);
310 } else if (token == "\\backslash") {
311 par.insertChar(par.size(), '\\', font, change);
312 } else if (token == "\\newline") {
313 auto_ptr<InsetBase> inset(new InsetNewline);
314 inset->read(buf, lex);
315 par.insertInset(par.size(), inset.release(), font, change);
316 } else if (token == "\\LyXTable") {
317 auto_ptr<InsetBase> inset(new InsetTabular(buf));
318 inset->read(buf, lex);
319 par.insertInset(par.size(), inset.release(), font, change);
320 } else if (token == "\\bibitem") {
321 InsetCommandParams p("bibitem", "dummy");
322 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
323 inset->read(buf, lex);
324 par.insertInset(par.size(), inset.release(), font, change);
325 } else if (token == "\\hfill") {
326 par.insertInset(par.size(), new InsetHFill, font, change);
327 } else if (token == "\\lyxline") {
328 par.insertInset(par.size(), new InsetLine, font, change);
329 } else if (token == "\\newpage") {
330 par.insertInset(par.size(), new InsetPagebreak, font, change);
331 } else if (token == "\\change_unchanged") {
332 // Hack ! Needed for empty paragraphs :/
333 // FIXME: is it still ??
336 change = Change(Change::UNCHANGED);
337 } else if (token == "\\change_inserted") {
339 std::istringstream is(lex.getString());
343 change = Change(Change::INSERTED, bp.author_map[aid], ct);
344 } else if (token == "\\change_deleted") {
346 std::istringstream is(lex.getString());
350 change = Change(Change::DELETED, bp.author_map[aid], ct);
353 buf.error(ErrorItem(_("Unknown token"),
354 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
355 par.id(), 0, par.size()));
362 int readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
367 string token = lex.getString();
371 unknown += readParToken(buf, par, lex, token);
374 token = lex.getString();
379 if (token == "\\end_layout") {
380 //Ok, paragraph finished
384 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
385 << token << '\'' << endl;
386 if (token == "\\begin_layout" || token == "\\end_document"
387 || token == "\\end_inset" || token == "\\begin_deeper"
388 || token == "\\end_deeper") {
389 lex.pushToken(token);
390 lyxerr << "Paragraph ended in line "
391 << lex.getLineNo() << "\n"
392 << "Missing \\end_layout.\n";
404 BufferView * LyXText::bv()
406 BOOST_ASSERT(bv_owner != 0);
411 double LyXText::spacing(Paragraph const & par) const
413 if (par.params().spacing().isDefault())
414 return bv()->buffer()->params().spacing().getValue();
415 return par.params().spacing().getValue();
419 BufferView * LyXText::bv() const
421 BOOST_ASSERT(bv_owner != 0);
426 void LyXText::updateParPositions()
429 par_type end = pars_.size();
430 for (height_ = 0; pit != end; ++pit) {
431 pars_[pit].y = height_;
432 height_ += pars_[pit].height;
437 int LyXText::width() const
443 int LyXText::height() const
449 int LyXText::singleWidth(par_type par, pos_type pos) const
451 if (pos >= pars_[par].size())
454 char const c = pars_[par].getChar(pos);
455 return singleWidth(par, pos, c, getFont(par, pos));
459 int LyXText::singleWidth(par_type pit,
460 pos_type pos, char c, LyXFont const & font) const
462 if (pos >= pars_[pit].size()) {
463 lyxerr << "in singleWidth(), pos: " << pos << endl;
468 // The most common case is handled first (Asger)
469 if (IsPrintable(c)) {
470 if (!font.language()->RightToLeft()) {
471 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
472 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
473 && font.language()->lang() == "arabic") {
474 if (Encodings::IsComposeChar_arabic(c))
477 c = pars_[pit].transformChar(c, pos);
478 } else if (font.language()->lang() == "hebrew" &&
479 Encodings::IsComposeChar_hebrew(c))
482 return font_metrics::width(c, font);
485 if (c == Paragraph::META_INSET)
486 return pars_[pit].getInset(pos)->width();
488 if (IsSeparatorChar(c))
490 return font_metrics::width(c, font);
494 int LyXText::leftMargin(par_type pit) const
496 return leftMargin(pit, pars_[pit].size());
500 int LyXText::leftMargin(par_type pit, pos_type pos) const
502 LyXTextClass const & tclass =
503 bv()->buffer()->params().getLyXTextClass();
504 LyXLayout_ptr const & layout = pars_[pit].layout();
506 string parindent = layout->parindent;
508 int x = NEST_MARGIN + CHANGEBAR_MARGIN;
510 x += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
512 // This is the way LyX handles LaTeX-Environments.
513 // I have had this idea very late, so it seems to be a
514 // later added hack and this is true
515 if (pars_[pit].getDepth() == 0) {
516 if (pars_[pit].layout() == tclass.defaultLayout()) {
517 // find the previous same level paragraph
520 depthHook(pit, paragraphs(), pars_[pit].getDepth());
521 if (newpit == pit && pars_[newpit].layout()->nextnoindent)
526 // find the next level paragraph
527 par_type newpar = outerHook(pit, pars_);
529 // Make a corresponding row. Need to call leftMargin()
530 // to check whether it is a sufficent paragraph.
531 if (newpar != par_type(pars_.size())
532 && pars_[newpar].layout()->isEnvironment()) {
533 x = leftMargin(newpar);
536 if (newpar != par_type(paragraphs().size())
537 && pars_[pit].layout() == tclass.defaultLayout()) {
538 if (pars_[newpar].params().noindent())
541 parindent = pars_[newpar].layout()->parindent;
545 LyXFont const labelfont = getLabelFont(pit);
546 switch (layout->margintype) {
548 if (!layout->leftmargin.empty())
549 x += font_metrics::signedWidth(layout->leftmargin,
550 tclass.defaultfont());
551 if (!pars_[pit].getLabelstring().empty()) {
552 x += font_metrics::signedWidth(layout->labelindent,
554 x += font_metrics::width(pars_[pit].getLabelstring(),
556 x += font_metrics::width(layout->labelsep, labelfont);
561 x += font_metrics::signedWidth(layout->labelindent, labelfont);
562 // The width of an empty par, even with manual label, should be 0
563 if (!pars_[pit].empty() && pos >= pars_[pit].beginOfBody()) {
564 if (!pars_[pit].getLabelWidthString().empty()) {
565 x += font_metrics::width(pars_[pit].getLabelWidthString(),
567 x += font_metrics::width(layout->labelsep, labelfont);
573 x += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
574 / (pars_[pit].getDepth() + 4);
577 case MARGIN_FIRST_DYNAMIC:
578 if (layout->labeltype == LABEL_MANUAL) {
579 if (pos >= pars_[pit].beginOfBody()) {
580 x += font_metrics::signedWidth(layout->leftmargin,
583 x += font_metrics::signedWidth(layout->labelindent,
587 // Special case to fix problems with
589 || (layout->labeltype == LABEL_STATIC
590 && layout->latextype == LATEX_ENVIRONMENT
591 && !isFirstInSequence(pit, paragraphs()))) {
592 x += font_metrics::signedWidth(layout->leftmargin,
594 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
595 && layout->labeltype != LABEL_BIBLIO
596 && layout->labeltype !=
597 LABEL_CENTERED_TOP_ENVIRONMENT) {
598 x += font_metrics::signedWidth(layout->labelindent,
600 x += font_metrics::width(layout->labelsep, labelfont);
601 x += font_metrics::width(pars_[pit].getLabelstring(),
606 case MARGIN_RIGHT_ADDRESS_BOX: {
608 // ok, a terrible hack. The left margin depends on the widest
609 // row in this paragraph.
610 RowList::iterator rit = pars_[pit].rows.begin();
611 RowList::iterator end = pars_[pit].rows.end();
613 #warning This is wrong.
615 int minfill = maxwidth_;
616 for ( ; rit != end; ++rit)
617 if (rit->fill() < minfill)
618 minfill = rit->fill();
619 x += font_metrics::signedWidth(layout->leftmargin,
620 tclass.defaultfont());
623 // also wrong, but much shorter.
630 if (!pars_[pit].params().leftIndent().zero())
631 x += pars_[pit].params().leftIndent().inPixels(maxwidth_);
635 if (pars_[pit].params().align() == LYX_ALIGN_LAYOUT)
636 align = layout->align;
638 align = pars_[pit].params().align();
640 // set the correct parindent
642 && (layout->labeltype == LABEL_NO_LABEL
643 || layout->labeltype == LABEL_TOP_ENVIRONMENT
644 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
645 || (layout->labeltype == LABEL_STATIC
646 && layout->latextype == LATEX_ENVIRONMENT
647 && !isFirstInSequence(pit, paragraphs())))
648 && align == LYX_ALIGN_BLOCK
649 && !pars_[pit].params().noindent()
650 // in tabulars and ert paragraphs are never indented!
651 && (!pars_[pit].inInset()
652 || (pars_[pit].inInset()->lyxCode() != InsetOld::TABULAR_CODE
653 && pars_[pit].inInset()->lyxCode() != InsetOld::ERT_CODE))
654 && (pars_[pit].layout() != tclass.defaultLayout()
655 || bv()->buffer()->params().paragraph_separation ==
656 BufferParams::PARSEP_INDENT))
658 x += font_metrics::signedWidth(parindent, tclass.defaultfont());
665 int LyXText::rightMargin(Paragraph const & par) const
667 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
671 + font_metrics::signedWidth(tclass.rightmargin(),
672 tclass.defaultfont())
673 + font_metrics::signedWidth(par.layout()->rightmargin,
674 tclass.defaultfont())
675 * 4 / (par.getDepth() + 4);
679 int LyXText::labelEnd(par_type pit) const
681 // labelEnd is only needed if the layout fills a flushleft label.
682 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
684 // return the beginning of the body
685 return leftMargin(pit);
691 // this needs special handling - only newlines count as a break point
692 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
694 pos_type const end = par.size();
697 if (par.isNewline(i))
706 void LyXText::rowBreakPoint(par_type pit, Row & row) const
708 pos_type const end = pars_[pit].size();
709 pos_type const pos = row.pos();
715 // maximum pixel width of a row
716 int width = maxwidth_ - rightMargin(pars_[pit]); // - leftMargin(pit, row);
722 LyXLayout_ptr const & layout = pars_[pit].layout();
724 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
725 row.endpos(addressBreakPoint(pos, pars_[pit]));
729 pos_type const body_pos = pars_[pit].beginOfBody();
732 // Now we iterate through until we reach the right margin
733 // or the end of the par, then choose the possible break
736 int const left = leftMargin(pit, pos);
739 // pixel width since last breakpoint
742 FontIterator fi = FontIterator(*this, pit, pos);
743 pos_type point = end;
745 for ( ; i < end; ++i, ++fi) {
746 char const c = pars_[pit].getChar(i);
749 int thiswidth = singleWidth(pit, i, c, *fi);
751 // add the auto-hfill from label end to the body
752 if (body_pos && i == body_pos) {
753 int add = font_metrics::width(layout->labelsep, getLabelFont(pit));
754 if (pars_[pit].isLineSeparator(i - 1))
755 add -= singleWidth(pit, i - 1);
757 add = std::max(add, labelEnd(pit) - x);
762 chunkwidth += thiswidth;
765 // break before a character that will fall off
766 // the right of the row
768 // if no break before, break here
769 if (point == end || chunkwidth >= width - left) {
776 // exit on last registered breakpoint:
780 if (pars_[pit].isNewline(i)) {
786 if (pars_[pit].isInset(i + 1) && pars_[pit].getInset(i + 1)->display()) {
791 if (pars_[pit].isInset(i) && pars_[pit].getInset(i)->display()) {
797 if (!pars_[pit].isInset(i) || pars_[pit].getInset(i)->isChar()) {
798 // some insets are line separators too
799 if (pars_[pit].isLineSeparator(i)) {
800 // register breakpoint:
807 // maybe found one, but the par is short enough.
808 if (i == end && x < width)
811 // manual labels cannot be broken in LaTeX. But we
812 // want to make our on-screen rendering of footnotes
814 if (body_pos && point < body_pos)
821 void LyXText::setRowWidth(par_type pit, Row & row) const
823 // get the pure distance
824 pos_type const end = row.endpos();
826 string labelsep = pars_[pit].layout()->labelsep;
827 int w = leftMargin(pit, row.pos());
829 pos_type const body_pos = pars_[pit].beginOfBody();
830 pos_type i = row.pos();
833 FontIterator fi = FontIterator(*this, pit, i);
834 for ( ; i < end; ++i, ++fi) {
835 if (body_pos > 0 && i == body_pos) {
836 w += font_metrics::width(labelsep, getLabelFont(pit));
837 if (pars_[pit].isLineSeparator(i - 1))
838 w -= singleWidth(pit, i - 1);
839 w = max(w, labelEnd(pit));
841 char const c = pars_[pit].getChar(i);
842 w += singleWidth(pit, i, c, *fi);
846 if (body_pos > 0 && body_pos >= end) {
847 w += font_metrics::width(labelsep, getLabelFont(pit));
848 if (end > 0 && pars_[pit].isLineSeparator(end - 1))
849 w -= singleWidth(pit, end - 1);
850 w = max(w, labelEnd(pit));
853 row.width(w + rightMargin(pars_[pit]));
857 // returns the minimum space a manual label needs on the screen in pixel
858 int LyXText::labelFill(par_type pit, Row const & row) const
860 pos_type last = pars_[pit].beginOfBody();
862 BOOST_ASSERT(last > 0);
864 // -1 because a label ends with a space that is in the label
867 // a separator at this end does not count
868 if (pars_[pit].isLineSeparator(last))
872 for (pos_type i = row.pos(); i <= last; ++i)
873 w += singleWidth(pit, i);
875 string const & label = pars_[pit].params().labelWidthString();
879 return max(0, font_metrics::width(label, getLabelFont(pit)) - w);
883 LColor_color LyXText::backgroundColor() const
885 return LColor_color(LColor::color(background_color_));
889 void LyXText::setHeightOfRow(par_type pit, Row & row)
891 // get the maximum ascent and the maximum descent
892 double layoutasc = 0;
893 double layoutdesc = 0;
894 double const dh = defaultRowHeight();
896 // ok, let us initialize the maxasc and maxdesc value.
897 // Only the fontsize count. The other properties
898 // are taken from the layoutfont. Nicer on the screen :)
899 LyXLayout_ptr const & layout = pars_[pit].layout();
901 // as max get the first character of this row then it can
902 // increase but not decrease the height. Just some point to
903 // start with so we don't have to do the assignment below too
905 LyXFont font = getFont(pit, row.pos());
906 LyXFont::FONT_SIZE const tmpsize = font.size();
907 font = getLayoutFont(pit);
908 LyXFont::FONT_SIZE const size = font.size();
909 font.setSize(tmpsize);
911 LyXFont labelfont = getLabelFont(pit);
913 // these are minimum values
914 double const spacing_val =
915 layout->spacing.getValue() * spacing(pars_[pit]);
916 //lyxerr << "spacing_val = " << spacing_val << endl;
917 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
918 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
920 // insets may be taller
921 InsetList::iterator ii = pars_[pit].insetlist.begin();
922 InsetList::iterator iend = pars_[pit].insetlist.end();
923 for ( ; ii != iend; ++ii) {
924 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
925 maxasc = max(maxasc, ii->inset->ascent());
926 maxdesc = max(maxdesc, ii->inset->descent());
930 // Check if any custom fonts are larger (Asger)
931 // This is not completely correct, but we can live with the small,
932 // cosmetic error for now.
934 pos_type const pos_end = row.endpos();
936 LyXFont::FONT_SIZE maxsize =
937 pars_[pit].highestFontInRange(row.pos(), pos_end, size);
938 if (maxsize > font.size()) {
939 font.setSize(maxsize);
940 maxasc = max(maxasc, font_metrics::maxAscent(font));
941 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
944 // This is nicer with box insets:
948 row.ascent_of_text(maxasc);
951 if (row.pos() == 0) {
952 BufferParams const & bufparams = bv()->buffer()->params();
953 // some parksips VERY EASY IMPLEMENTATION
954 if (bv()->buffer()->params().paragraph_separation
955 == BufferParams::PARSEP_SKIP
957 && ((layout->isParagraph() && pars_[pit].getDepth() == 0)
958 || (pars_[pit - 1].layout()->isParagraph()
959 && pars_[pit - 1].getDepth() == 0)))
961 maxasc += bufparams.getDefSkip().inPixels(*bv());
964 if (pars_[pit].params().startOfAppendix())
965 maxasc += int(3 * dh);
967 // This is special code for the chapter, since the label of this
968 // layout is printed in an extra row
969 if (layout->counter == "chapter" && bufparams.secnumdepth >= 0) {
970 labeladdon = int(font_metrics::maxHeight(labelfont)
971 * layout->spacing.getValue()
972 * spacing(pars_[pit]));
975 // special code for the top label
976 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
977 || layout->labeltype == LABEL_BIBLIO
978 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
979 && isFirstInSequence(pit, paragraphs())
980 && !pars_[pit].getLabelstring().empty())
983 font_metrics::maxHeight(labelfont)
984 * layout->spacing.getValue()
985 * spacing(pars_[pit])
986 + (layout->topsep + layout->labelbottomsep) * dh);
989 // Add the layout spaces, for example before and after
990 // a section, or between the items of a itemize or enumerate
993 par_type prev = depthHook(pit, pars_, pars_[pit].getDepth());
995 && pars_[prev].layout() == layout
996 && pars_[prev].getDepth() == pars_[pit].getDepth()
997 && pars_[prev].getLabelWidthString() == pars_[pit].getLabelWidthString())
999 layoutasc = layout->itemsep * dh;
1000 } else if (pit != 0 || row.pos() != 0) {
1001 if (layout->topsep > 0)
1002 layoutasc = layout->topsep * dh;
1005 prev = outerHook(pit, pars_);
1006 if (prev != par_type(pars_.size())) {
1007 maxasc += int(pars_[prev].layout()->parsep * dh);
1008 } else if (pit != 0) {
1009 if (pars_[pit - 1].getDepth() != 0 ||
1010 pars_[pit - 1].layout() == layout) {
1011 maxasc += int(layout->parsep * dh);
1016 // is it a bottom line?
1017 if (row.endpos() >= pars_[pit].size()) {
1018 // add the layout spaces, for example before and after
1019 // a section, or between the items of a itemize or enumerate
1021 par_type nextpit = pit + 1;
1022 if (nextpit != par_type(pars_.size())) {
1023 par_type cpit = pit;
1027 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
1028 usual = pars_[cpit].layout()->bottomsep * dh;
1029 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
1030 if (pars_[cpit].layout() != pars_[nextpit].layout()
1031 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1033 unusual = pars_[cpit].layout()->bottomsep * dh;
1035 layoutdesc = max(unusual, usual);
1036 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
1037 if (pars_[cpit].layout() != pars_[nextpit].layout()
1038 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1039 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1044 // incalculate the layout spaces
1045 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1046 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1048 row.height(maxasc + maxdesc + labeladdon);
1049 row.baseline(maxasc + labeladdon);
1050 row.top_of_text(row.baseline() - font_metrics::maxAscent(font));
1054 void LyXText::breakParagraph(LCursor & cur, char keep_layout)
1056 BOOST_ASSERT(this == cur.text());
1057 // allow only if at start or end, or all previous is new text
1058 Paragraph & cpar = cur.paragraph();
1059 par_type cpit = cur.par();
1061 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
1062 && cpar.isChangeEdited(0, cur.pos()))
1065 LyXTextClass const & tclass =
1066 bv()->buffer()->params().getLyXTextClass();
1067 LyXLayout_ptr const & layout = cpar.layout();
1069 // this is only allowed, if the current paragraph is not empty
1070 // or caption and if it has not the keepempty flag active
1071 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1072 && layout->labeltype != LABEL_SENSITIVE)
1075 // a layout change may affect also the following paragraph
1076 recUndo(cur.par(), undoSpan(cur.par()) - 1);
1078 // Always break behind a space
1079 // It is better to erase the space (Dekel)
1080 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1081 cpar.erase(cur.pos());
1083 // break the paragraph
1087 keep_layout = layout->isEnvironment();
1089 // we need to set this before we insert the paragraph. IMO the
1090 // breakParagraph call should return a bool if it inserts the
1091 // paragraph before or behind and we should react on that one
1092 // but we can fix this in 1.3.0 (Jug 20020509)
1093 bool const isempty = cpar.allowEmpty() && cpar.empty();
1094 ::breakParagraph(bv()->buffer()->params(), paragraphs(), cpit,
1095 cur.pos(), keep_layout);
1098 par_type next_par = cpit + 1;
1100 // well this is the caption hack since one caption is really enough
1101 if (layout->labeltype == LABEL_SENSITIVE) {
1103 // set to standard-layout
1104 pars_[cpit].applyLayout(tclass.defaultLayout());
1106 // set to standard-layout
1107 pars_[next_par].applyLayout(tclass.defaultLayout());
1110 // if the cursor is at the beginning of a row without prior newline,
1112 // This touches only the screen-update. Otherwise we would may have
1113 // an empty row on the screen
1114 if (cur.pos() != 0 && cur.textRow().pos() == cur.pos()
1115 && !pars_[cpit].isNewline(cur.pos() - 1))
1120 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1121 pars_[next_par].erase(0);
1124 redoParagraph(cpit);
1125 redoParagraph(next_par);
1127 // This check is necessary. Otherwise the new empty paragraph will
1128 // be deleted automatically. And it is more friendly for the user!
1129 if (cur.pos() != 0 || isempty)
1130 setCursor(cur, cur.par() + 1, 0);
1132 setCursor(cur, cur.par(), 0);
1136 // convenience function
1137 void LyXText::redoParagraph(LCursor & cur)
1139 BOOST_ASSERT(this == cur.text());
1140 cur.clearSelection();
1141 redoParagraph(cur.par());
1142 setCursorIntern(cur, cur.par(), cur.pos());
1146 // insert a character, moves all the following breaks in the
1147 // same Paragraph one to the right and make a rebreak
1148 void LyXText::insertChar(LCursor & cur, char c)
1150 BOOST_ASSERT(this == cur.text());
1151 BOOST_ASSERT(c != Paragraph::META_INSET);
1153 recordUndo(cur, Undo::INSERT);
1155 Paragraph & par = cur.paragraph();
1156 // try to remove this
1157 par_type pit = cur.par();
1159 bool const freeSpacing = par.layout()->free_spacing ||
1160 par.isFreeSpacing();
1162 if (lyxrc.auto_number) {
1163 static string const number_operators = "+-/*";
1164 static string const number_unary_operators = "+-";
1165 static string const number_seperators = ".,:";
1167 if (current_font.number() == LyXFont::ON) {
1168 if (!IsDigit(c) && !contains(number_operators, c) &&
1169 !(contains(number_seperators, c) &&
1171 cur.pos() != cur.lastpos() &&
1172 getFont(pit, cur.pos()).number() == LyXFont::ON &&
1173 getFont(pit, cur.pos() - 1).number() == LyXFont::ON)
1175 number(cur); // Set current_font.number to OFF
1176 } else if (IsDigit(c) &&
1177 real_current_font.isVisibleRightToLeft()) {
1178 number(cur); // Set current_font.number to ON
1180 if (cur.pos() != 0) {
1181 char const c = par.getChar(cur.pos() - 1);
1182 if (contains(number_unary_operators, c) &&
1184 || par.isSeparator(cur.pos() - 2)
1185 || par.isNewline(cur.pos() - 2))
1187 setCharFont(pit, cur.pos() - 1, current_font);
1188 } else if (contains(number_seperators, c)
1190 && getFont(pit, cur.pos() - 2).number() == LyXFont::ON) {
1191 setCharFont(pit, cur.pos() - 1, current_font);
1197 // First check, if there will be two blanks together or a blank at
1198 // the beginning of a paragraph.
1199 // I decided to handle blanks like normal characters, the main
1200 // difference are the special checks when calculating the row.fill
1201 // (blank does not count at the end of a row) and the check here
1203 // The bug is triggered when we type in a description environment:
1204 // The current_font is not changed when we go from label to main text
1205 // and it should (along with realtmpfont) when we type the space.
1206 // CHECK There is a bug here! (Asger)
1208 // store the current font. This is because of the use of cursor
1209 // movements. The moving cursor would refresh the current font
1210 LyXFont realtmpfont = real_current_font;
1211 LyXFont rawtmpfont = current_font;
1213 // When the free-spacing option is set for the current layout,
1214 // disable the double-space checking
1215 if (!freeSpacing && IsLineSeparatorChar(c)) {
1216 if (cur.pos() == 0) {
1217 static bool sent_space_message = false;
1218 if (!sent_space_message) {
1219 cur.message(_("You cannot insert a space at the "
1220 "beginning of a paragraph. Please read the Tutorial."));
1221 sent_space_message = true;
1225 BOOST_ASSERT(cur.pos() > 0);
1226 if (par.isLineSeparator(cur.pos() - 1)
1227 || par.isNewline(cur.pos() - 1)) {
1228 static bool sent_space_message = false;
1229 if (!sent_space_message) {
1230 cur.message(_("You cannot type two spaces this way. "
1231 "Please read the Tutorial."));
1232 sent_space_message = true;
1238 par.insertChar(cur.pos(), c);
1239 setCharFont(pit, cur.pos(), rawtmpfont);
1241 current_font = rawtmpfont;
1242 real_current_font = realtmpfont;
1244 setCursor(cur, cur.par(), cur.pos() + 1, false, cur.boundary());
1249 void LyXText::charInserted()
1251 // Here we call finishUndo for every 20 characters inserted.
1252 // This is from my experience how emacs does it. (Lgb)
1253 static unsigned int counter;
1263 RowMetrics LyXText::computeRowMetrics(par_type pit, Row const & row) const
1267 double w = width_ - row.width();
1269 bool const is_rtl = isRTL(pars_[pit]);
1271 result.x = rightMargin(pars_[pit]);
1273 result.x = leftMargin(pit, row.pos());
1275 // is there a manual margin with a manual label
1276 LyXLayout_ptr const & layout = pars_[pit].layout();
1278 if (layout->margintype == MARGIN_MANUAL
1279 && layout->labeltype == LABEL_MANUAL) {
1280 /// We might have real hfills in the label part
1281 int nlh = numberOfLabelHfills(pars_[pit], row);
1283 // A manual label par (e.g. List) has an auto-hfill
1284 // between the label text and the body of the
1286 // But we don't want to do this auto hfill if the par
1288 if (!pars_[pit].empty())
1291 if (nlh && !pars_[pit].getLabelWidthString().empty())
1292 result.label_hfill = labelFill(pit, row) / double(nlh);
1295 // are there any hfills in the row?
1296 int const nh = numberOfHfills(pars_[pit], row);
1300 result.hfill = w / nh;
1301 // we don't have to look at the alignment if it is ALIGN_LEFT and
1302 // if the row is already larger then the permitted width as then
1303 // we force the LEFT_ALIGN'edness!
1304 } else if (int(row.width()) < maxwidth_) {
1305 // is it block, flushleft or flushright?
1306 // set x how you need it
1308 if (pars_[pit].params().align() == LYX_ALIGN_LAYOUT)
1309 align = layout->align;
1311 align = pars_[pit].params().align();
1313 // Display-style insets should always be on a centred row
1314 // The test on pars_[pit].size() is to catch zero-size pars, which
1315 // would trigger the assert in Paragraph::getInset().
1316 //inset = pars_[pit].size() ? pars_[pit].getInset(row.pos()) : 0;
1317 if (!pars_[pit].empty()
1318 && pars_[pit].isInset(row.pos())
1319 && pars_[pit].getInset(row.pos())->display())
1321 align = LYX_ALIGN_CENTER;
1325 case LYX_ALIGN_BLOCK: {
1326 int const ns = numberOfSeparators(pars_[pit], row);
1327 bool disp_inset = false;
1328 if (row.endpos() < pars_[pit].size()) {
1329 InsetBase const * in = pars_[pit].getInset(row.endpos());
1331 disp_inset = in->display();
1333 // If we have separators, this is not the last row of a
1334 // par, does not end in newline, and is not row above a
1335 // display inset... then stretch it
1337 && row.endpos() < pars_[pit].size()
1338 && !pars_[pit].isNewline(row.endpos() - 1)
1341 result.separator = w / ns;
1342 } else if (is_rtl) {
1347 case LYX_ALIGN_RIGHT:
1350 case LYX_ALIGN_CENTER:
1356 bidi.computeTables(pars_[pit], *bv()->buffer(), row);
1358 pos_type body_pos = pars_[pit].beginOfBody();
1359 pos_type end = row.endpos();
1362 && (body_pos > end || !pars_[pit].isLineSeparator(body_pos - 1)))
1364 result.x += font_metrics::width(layout->labelsep, getLabelFont(pit));
1365 if (body_pos <= end)
1366 result.x += result.label_hfill;
1374 // the cursor set functions have a special mechanism. When they
1375 // realize, that you left an empty paragraph, they will delete it.
1377 void LyXText::cursorRightOneWord(LCursor & cur)
1379 BOOST_ASSERT(this == cur.text());
1380 if (cur.pos() == cur.lastpos() && cur.par() != cur.lastpar()) {
1384 // Skip through initial nonword stuff.
1385 // Treat floats and insets as words.
1386 while (cur.pos() != cur.lastpos() && !cur.paragraph().isWord(cur.pos()))
1388 // Advance through word.
1389 while (cur.pos() != cur.lastpos() && cur.paragraph().isWord(cur.pos()))
1392 setCursor(cur, cur.par(), cur.pos());
1396 void LyXText::cursorLeftOneWord(LCursor & cur)
1398 BOOST_ASSERT(this == cur.text());
1399 if (cur.pos() == 0 && cur.par() != 0) {
1401 cur.pos() = cur.lastpos();
1403 // Skip through initial nonword stuff.
1404 // Treat floats and insets as words.
1405 while (cur.pos() != 0 && !cur.paragraph().isWord(cur.pos() - 1))
1407 // Advance through word.
1408 while (cur.pos() != 0 && cur.paragraph().isWord(cur.pos() - 1))
1411 setCursor(cur, cur.par(), cur.pos());
1415 void LyXText::selectWord(LCursor & cur, word_location loc)
1417 BOOST_ASSERT(this == cur.text());
1418 CursorSlice from = cur.top();
1419 CursorSlice to = cur.top();
1420 getWord(from, to, loc);
1421 if (cur.top() != from)
1422 setCursor(cur, from.par(), from.pos());
1426 setCursor(cur, to.par(), to.pos());
1431 // Select the word currently under the cursor when no
1432 // selection is currently set
1433 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1435 BOOST_ASSERT(this == cur.text());
1436 if (cur.selection())
1438 selectWord(cur, loc);
1439 return cur.selection();
1443 void LyXText::acceptChange(LCursor & cur)
1445 BOOST_ASSERT(this == cur.text());
1446 if (!cur.selection() && cur.lastpos() != 0)
1449 CursorSlice const & startc = cur.selBegin();
1450 CursorSlice const & endc = cur.selEnd();
1451 if (startc.par() == endc.par()) {
1452 recordUndoSelection(cur, Undo::INSERT);
1453 pars_[startc.par()].acceptChange(startc.pos(), endc.pos());
1455 cur.clearSelection();
1456 redoParagraph(startc.par());
1457 setCursorIntern(cur, startc.par(), 0);
1459 #ifdef WITH_WARNINGS
1460 #warning handle multi par selection
1465 void LyXText::rejectChange(LCursor & cur)
1467 BOOST_ASSERT(this == cur.text());
1468 if (!cur.selection() && cur.lastpos() != 0)
1471 CursorSlice const & startc = cur.selBegin();
1472 CursorSlice const & endc = cur.selEnd();
1473 if (startc.par() == endc.par()) {
1474 recordUndoSelection(cur, Undo::INSERT);
1475 pars_[startc.par()].rejectChange(startc.pos(), endc.pos());
1477 cur.clearSelection();
1478 redoParagraph(startc.par());
1479 setCursorIntern(cur, startc.par(), 0);
1481 #ifdef WITH_WARNINGS
1482 #warning handle multi par selection
1487 // Delete from cursor up to the end of the current or next word.
1488 void LyXText::deleteWordForward(LCursor & cur)
1490 BOOST_ASSERT(this == cur.text());
1491 if (cur.lastpos() == 0)
1495 cur.selection() = true;
1496 cursorRightOneWord(cur);
1498 cutSelection(cur, true, false);
1503 // Delete from cursor to start of current or prior word.
1504 void LyXText::deleteWordBackward(LCursor & cur)
1506 BOOST_ASSERT(this == cur.text());
1507 if (cur.lastpos() == 0)
1511 cur.selection() = true;
1512 cursorLeftOneWord(cur);
1514 cutSelection(cur, true, false);
1519 // Kill to end of line.
1520 void LyXText::deleteLineForward(LCursor & cur)
1522 BOOST_ASSERT(this == cur.text());
1523 if (cur.lastpos() == 0) {
1524 // Paragraph is empty, so we just go to the right
1528 cur.selection() = true; // to avoid deletion
1531 // What is this test for ??? (JMarc)
1532 if (!cur.selection())
1533 deleteWordForward(cur);
1535 cutSelection(cur, true, false);
1540 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1542 BOOST_ASSERT(this == cur.text());
1546 if (cur.selection()) {
1547 from = cur.selBegin();
1551 getWord(from, to, lyx::PARTIAL_WORD);
1552 setCursor(cur, to.par(), to.pos() + 1);
1555 recordUndoSelection(cur);
1557 pos_type pos = from.pos();
1558 int par = from.par();
1560 while (par != int(pars_.size()) && (pos != to.pos() || par != to.par())) {
1562 if (pos == pars_[pit].size()) {
1567 unsigned char c = pars_[pit].getChar(pos);
1568 if (c != Paragraph::META_INSET) {
1570 case text_lowercase:
1573 case text_capitalization:
1575 action = text_lowercase;
1577 case text_uppercase:
1582 #ifdef WITH_WARNINGS
1585 pars_[pit].setChar(pos, c);
1591 void LyXText::Delete(LCursor & cur)
1593 BOOST_ASSERT(this == cur.text());
1594 // just move to the right, if we had success make a backspace
1595 CursorSlice sl = cur.top();
1597 if (sl != cur.top()) {
1598 recordUndo(cur, Undo::DELETE, cur.par(),
1599 max(par_type(0), cur.par() - 1));
1605 void LyXText::backspace(LCursor & cur)
1607 BOOST_ASSERT(this == cur.text());
1608 if (cur.pos() == 0) {
1609 // The cursor is at the beginning of a paragraph, so
1610 // the the backspace will collapse two paragraphs into
1613 // but it's not allowed unless it's new
1614 Paragraph & par = cur.paragraph();
1615 if (par.isChangeEdited(0, par.size()))
1618 // we may paste some paragraphs
1620 // is it an empty paragraph?
1621 pos_type lastpos = cur.lastpos();
1622 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1623 // This is an empty paragraph and we delete it just
1624 // by moving the cursor one step
1625 // left and let the DeleteEmptyParagraphMechanism
1626 // handle the actual deletion of the paragraph.
1628 if (cur.par() != 0) {
1630 // the layout things can change the height of a row !
1637 recordUndo(cur, Undo::DELETE, cur.par() - 1);
1639 par_type tmppit = cur.par();
1640 // We used to do cursorLeftIntern() here, but it is
1641 // not a good idea since it triggers the auto-delete
1642 // mechanism. So we do a cursorLeftIntern()-lite,
1643 // without the dreaded mechanism. (JMarc)
1644 if (cur.par() != 0) {
1645 // steps into the above paragraph.
1646 setCursorIntern(cur, cur.par() - 1,
1647 pars_[cur.par() - 1].size(),
1651 // Pasting is not allowed, if the paragraphs have different
1652 // layout. I think it is a real bug of all other
1653 // word processors to allow it. It confuses the user.
1654 // Correction: Pasting is always allowed with standard-layout
1655 Buffer & buf = *bv()->buffer();
1656 BufferParams const & bufparams = buf.params();
1657 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1658 par_type const cpit = cur.par();
1661 && (pars_[cpit].layout() == pars_[tmppit].layout()
1662 || pars_[tmppit].layout() == tclass.defaultLayout())
1663 && pars_[cpit].getAlign() == pars_[tmppit].getAlign()) {
1664 mergeParagraph(bufparams, buf.paragraphs(), cpit);
1666 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1669 // the counters may have changed
1671 setCursor(cur, cur.par(), cur.pos(), false);
1674 // this is the code for a normal backspace, not pasting
1676 recordUndo(cur, Undo::DELETE);
1677 // We used to do cursorLeftIntern() here, but it is
1678 // not a good idea since it triggers the auto-delete
1679 // mechanism. So we do a cursorLeftIntern()-lite,
1680 // without the dreaded mechanism. (JMarc)
1681 setCursorIntern(cur, cur.par(), cur.pos() - 1,
1682 false, cur.boundary());
1683 cur.paragraph().erase(cur.pos());
1686 if (cur.pos() == cur.lastpos())
1687 setCurrentFont(cur);
1690 setCursor(cur, cur.par(), cur.pos(), false, cur.boundary());
1694 Paragraph & LyXText::getPar(par_type par) const
1696 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1697 BOOST_ASSERT(par >= 0);
1698 BOOST_ASSERT(par < int(paragraphs().size()));
1699 return paragraphs()[par];
1703 // y is relative to this LyXText's top
1704 RowList::iterator LyXText::getRowNearY(int y, par_type & pit) const
1706 BOOST_ASSERT(!paragraphs().empty());
1707 BOOST_ASSERT(!paragraphs().begin()->rows.empty());
1709 par_type const pend = paragraphs().size() - 1;
1711 while (int(pars_[pit].y + pars_[pit].height) < y && pit != pend)
1714 RowList::iterator rit = pars_[pit].rows.end();
1715 RowList::iterator const rbegin = pars_[pit].rows.begin();
1718 } while (rit != rbegin && int(pars_[pit].y + rit->y_offset()) > y);
1722 pit = paragraphs().size() - 1;
1724 RowList::iterator rit = lastRow();
1725 RowList::iterator rbegin = firstRow();
1727 while (rit != rbegin && int(pars_[pit].y + rit->y_offset()) > y)
1728 previousRow(pit, rit);
1735 RowList::iterator LyXText::firstRow() const
1737 return paragraphs().front().rows.begin();
1741 RowList::iterator LyXText::lastRow() const
1743 return boost::prior(endRow());
1747 RowList::iterator LyXText::endRow() const
1749 return paragraphs().back().rows.end();
1753 void LyXText::nextRow(par_type & pit, RowList::iterator & rit) const
1756 if (rit == pars_[pit].rows.end()) {
1758 if (pit == par_type(paragraphs().size()))
1761 rit = pars_[pit].rows.begin();
1766 void LyXText::previousRow(par_type & pit, RowList::iterator & rit) const
1768 if (rit != pars_[pit].rows.begin())
1771 BOOST_ASSERT(pit != 0);
1773 rit = boost::prior(pars_[pit].rows.end());
1778 void LyXText::redoParagraphInternal(par_type pit)
1780 // remove rows of paragraph, keep track of height changes
1781 height_ -= pars_[pit].height;
1784 pars_[pit].rows.clear();
1785 pars_[pit].height = 0;
1786 pars_[pit].width = 0;
1789 InsetList::iterator ii = pars_[pit].insetlist.begin();
1790 InsetList::iterator iend = pars_[pit].insetlist.end();
1791 for (; ii != iend; ++ii) {
1793 int const w = maxwidth_ - leftMargin(pit) - rightMargin(pars_[pit]);
1794 MetricsInfo mi(bv(), getFont(pit, ii->pos), w);
1795 ii->inset->metrics(mi, dim);
1798 // rebreak the paragraph
1799 pars_[pit].setBeginOfBody();
1803 rowBreakPoint(pit, row);
1804 setRowWidth(pit, row);
1805 setHeightOfRow(pit, row);
1806 row.y_offset(pars_[pit].height);
1807 pars_[pit].rows.push_back(row);
1808 pars_[pit].width = std::max(pars_[pit].width, row.width());
1809 pars_[pit].height += row.height();
1811 } while (z < pars_[pit].size());
1813 height_ += pars_[pit].height;
1814 //lyxerr << "redoParagraph: " << pars_[pit].rows.size() << " rows\n";
1818 void LyXText::redoParagraphs(par_type pit, par_type end)
1820 for ( ; pit != end; ++pit)
1821 redoParagraphInternal(pit);
1822 updateParPositions();
1826 void LyXText::redoParagraph(par_type pit)
1828 redoParagraphInternal(pit);
1829 updateParPositions();
1833 void LyXText::fullRebreak()
1835 redoParagraphs(0, paragraphs().size());
1836 bv()->cursor().resetAnchor();
1840 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1842 //BOOST_ASSERT(mi.base.textwidth);
1843 if (mi.base.textwidth)
1844 maxwidth_ = mi.base.textwidth;
1845 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1846 //<< " maxWidth: " << maxwidth << "\nfont: " << mi.base.font
1849 // Rebuild row cache. This recomputes height as well.
1850 redoParagraphs(0, paragraphs().size());
1852 width_ = maxParagraphWidth(paragraphs());
1855 dim.asc = firstRow()->ascent_of_text();
1856 dim.des = height_ - dim.asc;
1861 // only used for inset right now. should also be used for main text
1862 void LyXText::draw(PainterInfo & pi, int x, int y) const
1866 paintTextInset(*this, pi, x, y);
1870 // only used for inset right now. should also be used for main text
1871 void LyXText::drawSelection(PainterInfo &, int, int) const
1873 //lyxerr << "LyXText::drawSelection at " << x << " " << y << endl;
1877 bool LyXText::isLastRow(par_type pit, Row const & row) const
1879 return row.endpos() >= pars_[pit].size()
1880 && pit + 1 == par_type(paragraphs().size());
1884 bool LyXText::isFirstRow(par_type pit, Row const & row) const
1886 return row.pos() == 0 && pit == 0;
1890 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1891 word_location const loc)
1893 Paragraph & from_par = pars_[from.par()];
1895 case lyx::WHOLE_WORD_STRICT:
1896 if (from.pos() == 0 || from.pos() == from_par.size()
1897 || from_par.isSeparator(from.pos())
1898 || from_par.isKomma(from.pos())
1899 || from_par.isNewline(from.pos())
1900 || from_par.isSeparator(from.pos() - 1)
1901 || from_par.isKomma(from.pos() - 1)
1902 || from_par.isNewline(from.pos() - 1)) {
1906 // no break here, we go to the next
1908 case lyx::WHOLE_WORD:
1909 // Move cursor to the beginning, when not already there.
1910 if (from.pos() && !from_par.isSeparator(from.pos() - 1)
1911 && !(from_par.isKomma(from.pos() - 1)
1912 || from_par.isNewline(from.pos() - 1)))
1913 cursorLeftOneWord(bv()->cursor());
1915 case lyx::PREVIOUS_WORD:
1916 // always move the cursor to the beginning of previous word
1917 cursorLeftOneWord(bv()->cursor());
1919 case lyx::NEXT_WORD:
1920 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1923 case lyx::PARTIAL_WORD:
1927 Paragraph & to_par = pars_[to.par()];
1928 while (to.pos() < to_par.size()
1929 && !to_par.isSeparator(to.pos())
1930 && !to_par.isKomma(to.pos())
1931 && !to_par.isNewline(to.pos())
1932 && !to_par.isHfill(to.pos())
1933 && !to_par.isInset(to.pos()))
1940 void LyXText::write(Buffer const & buf, std::ostream & os) const
1942 ParagraphList::const_iterator pit = paragraphs().begin();
1943 ParagraphList::const_iterator end = paragraphs().end();
1944 Paragraph::depth_type dth = 0;
1945 for (; pit != end; ++pit)
1946 pit->write(buf, os, buf.params(), dth);
1950 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1952 static Change current_change;
1954 bool the_end_read = false;
1955 Paragraph::depth_type depth = 0;
1957 while (lex.isOK()) {
1959 string token = lex.getString();
1964 if (token == "\\end_inset") {
1965 the_end_read = true;
1969 if (token == "\\end_document") {
1970 #ifdef WITH_WARNINGS
1974 lex.printError("\\end_document read in inset! Error in document!");
1982 if (token == "\\begin_layout") {
1983 lex.pushToken(token);
1986 par.params().depth(depth);
1987 if (buf.params().tracking_changes)
1989 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
1990 pars_.push_back(par);
1992 // FIXME: goddamn InsetTabular makes us pass a Buffer
1994 ::readParagraph(buf, pars_.back(), lex);
1996 } else if (token == "\\begin_deeper") {
1998 } else if (token == "\\end_deeper") {
2000 lex.printError("\\end_deeper: " "depth is already null");
2009 return the_end_read;
2013 int LyXText::ascent() const
2015 return firstRow()->ascent_of_text();
2019 int LyXText::descent() const
2021 return height_ - firstRow()->ascent_of_text();
2025 int LyXText::cursorX(CursorSlice const & cur) const
2027 par_type pit = cur.par();
2028 if (pars_[pit].rows.empty())
2031 Row const & row = *pars_[pit].getRow(cur.pos());
2033 pos_type pos = cur.pos();
2034 pos_type cursor_vpos = 0;
2036 RowMetrics const m = computeRowMetrics(pit, row);
2039 pos_type const row_pos = row.pos();
2040 pos_type const end = row.endpos();
2043 cursor_vpos = row_pos;
2044 else if (pos >= end)
2045 cursor_vpos = isRTL(pars_[pit]) ? row_pos : end;
2046 else if (pos > row_pos && pos >= end)
2047 // Place cursor after char at (logical) position pos - 1
2048 cursor_vpos = (bidi.level(pos - 1) % 2 == 0)
2049 ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
2051 // Place cursor before char at (logical) position pos
2052 cursor_vpos = (bidi.level(pos) % 2 == 0)
2053 ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
2055 pos_type body_pos = pars_[pit].beginOfBody();
2057 (body_pos > end || !pars_[pit].isLineSeparator(body_pos - 1)))
2060 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2061 pos_type pos = bidi.vis2log(vpos);
2062 if (body_pos > 0 && pos == body_pos - 1) {
2064 + font_metrics::width(pars_[pit].layout()->labelsep,
2066 if (pars_[pit].isLineSeparator(body_pos - 1))
2067 x -= singleWidth(pit, body_pos - 1);
2070 if (hfillExpansion(pars_[pit], row, pos)) {
2071 x += singleWidth(pit, pos);
2072 if (pos >= body_pos)
2076 } else if (pars_[pit].isSeparator(pos)) {
2077 x += singleWidth(pit, pos);
2078 if (pos >= body_pos)
2081 x += singleWidth(pit, pos);
2083 return xo_ + int(x);
2087 int LyXText::cursorY(CursorSlice const & cur) const
2089 Paragraph & par = getPar(cur.par());
2090 Row & row = *par.getRow(cur.pos());
2091 return yo_ + par.y + row.y_offset() + row.baseline();
2095 // Returns the current font and depth as a message.
2096 string LyXText::currentState(LCursor & cur)
2098 BOOST_ASSERT(this == cur.text());
2099 Buffer * buffer = bv()->buffer();
2100 Paragraph const & par = cur.paragraph();
2101 std::ostringstream os;
2103 bool const show_change = buffer->params().tracking_changes
2104 && cur.pos() != cur.lastpos()
2105 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2108 Change change = par.lookupChangeFull(cur.pos());
2109 Author const & a = buffer->params().authors().get(change.author);
2110 os << _("Change: ") << a.name();
2111 if (!a.email().empty())
2112 os << " (" << a.email() << ")";
2113 if (change.changetime)
2114 os << _(" at ") << ctime(&change.changetime);
2118 // I think we should only show changes from the default
2120 LyXFont font = real_current_font;
2121 font.reduce(buffer->params().getLyXTextClass().defaultfont());
2123 // avoid _(...) re-entrance problem
2124 string const s = font.stateText(&buffer->params());
2125 os << bformat(_("Font: %1$s"), s);
2127 // os << bformat(_("Font: %1$s"), font.stateText(&buffer->params));
2129 // The paragraph depth
2130 int depth = cur.paragraph().getDepth();
2132 os << bformat(_(", Depth: %1$s"), tostr(depth));
2134 // The paragraph spacing, but only if different from
2136 Spacing const & spacing = par.params().spacing();
2137 if (!spacing.isDefault()) {
2138 os << _(", Spacing: ");
2139 switch (spacing.getSpace()) {
2140 case Spacing::Single:
2143 case Spacing::Onehalf:
2146 case Spacing::Double:
2149 case Spacing::Other:
2150 os << _("Other (") << spacing.getValue() << ')';
2152 case Spacing::Default:
2153 // should never happen, do nothing
2157 #ifdef DEVEL_VERSION
2158 os << _(", Paragraph: ") << par.id();
2159 os << _(", Position: ") << cur.pos();
2160 Row & row = cur.textRow();
2161 os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2162 os << _(", Inset: ") << par.inInset();
2168 string LyXText::getPossibleLabel(LCursor & cur) const
2170 par_type pit = cur.par();
2172 LyXLayout_ptr layout = pars_[pit].layout();
2174 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2175 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2176 if (layout2->latextype != LATEX_PARAGRAPH) {
2182 string text = layout->latexname().substr(0, 3);
2183 if (layout->latexname() == "theorem")
2184 text = "thm"; // Create a correct prefix for prettyref
2187 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2190 string par_text = pars_[pit].asString(*cur.bv().buffer(), false);
2191 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2192 if (par_text.empty())
2195 par_text = split(par_text, head, ' ');
2196 // Is it legal to use spaces in labels ?
2206 int LyXText::dist(int x, int y) const
2213 else if (x > xo_ + int(width_))
2214 xx = x - xo_ - width_;
2216 if (y < yo_ - ascent())
2217 yy = yo_ - ascent() - y;
2218 else if (y > yo_ + descent())
2219 yy = y - yo_ - descent();