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$s' does not exist in textclass '%2$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 Language const * language = font.language();
428 if (language->RightToLeft()) {
429 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
430 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
431 && language->lang() == "arabic") {
432 if (Encodings::IsComposeChar_arabic(c))
434 c = par.transformChar(c, pos);
435 } else if (language->lang() == "hebrew" &&
436 Encodings::IsComposeChar_hebrew(c))
439 return font_metrics::width(c, font);
442 if (c == Paragraph::META_INSET)
443 return par.getInset(pos)->width();
445 return font_metrics::width(c, font);
449 int LyXText::leftMargin(pit_type pit) const
451 BOOST_ASSERT(pit >= 0);
452 BOOST_ASSERT(pit < int(pars_.size()));
453 return leftMargin(pit, pars_[pit].size());
457 int LyXText::leftMargin(pit_type const pit, pos_type const pos) const
459 BOOST_ASSERT(pit >= 0);
460 BOOST_ASSERT(pit < int(pars_.size()));
461 Paragraph const & par = pars_[pit];
462 BOOST_ASSERT(pos >= 0);
463 BOOST_ASSERT(pos <= par.size());
464 //lyxerr << "LyXText::leftMargin: pit: " << pit << " pos: " << pos << endl;
465 LyXTextClass const & tclass =
466 bv()->buffer()->params().getLyXTextClass();
467 LyXLayout_ptr const & layout = par.layout();
469 string parindent = layout->parindent;
474 l_margin += changebarMargin();
476 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
478 if (par.getDepth() != 0) {
479 // find the next level paragraph
480 pit_type newpar = outerHook(pit, pars_);
481 if (newpar != pit_type(pars_.size())) {
482 if (pars_[newpar].layout()->isEnvironment()) {
483 l_margin = leftMargin(newpar);
485 if (par.layout() == tclass.defaultLayout()) {
486 if (pars_[newpar].params().noindent())
489 parindent = pars_[newpar].layout()->parindent;
494 LyXFont const labelfont = getLabelFont(par);
495 switch (layout->margintype) {
497 if (!layout->leftmargin.empty())
498 l_margin += font_metrics::signedWidth(layout->leftmargin,
499 tclass.defaultfont());
500 if (!par.getLabelstring().empty()) {
501 l_margin += font_metrics::signedWidth(layout->labelindent,
503 l_margin += font_metrics::width(par.getLabelstring(),
505 l_margin += font_metrics::width(layout->labelsep, labelfont);
510 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
511 // The width of an empty par, even with manual label, should be 0
512 if (!par.empty() && pos >= par.beginOfBody()) {
513 if (!par.getLabelWidthString().empty()) {
514 l_margin += font_metrics::width(par.getLabelWidthString(),
516 l_margin += font_metrics::width(layout->labelsep, labelfont);
522 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
523 / (par.getDepth() + 4);
526 case MARGIN_FIRST_DYNAMIC:
527 if (layout->labeltype == LABEL_MANUAL) {
528 if (pos >= par.beginOfBody()) {
529 l_margin += font_metrics::signedWidth(layout->leftmargin,
532 l_margin += font_metrics::signedWidth(layout->labelindent,
536 // Special case to fix problems with
538 || (layout->labeltype == LABEL_STATIC
539 && layout->latextype == LATEX_ENVIRONMENT
540 && !isFirstInSequence(pit, pars_))) {
541 l_margin += font_metrics::signedWidth(layout->leftmargin,
543 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
544 && layout->labeltype != LABEL_BIBLIO
545 && layout->labeltype !=
546 LABEL_CENTERED_TOP_ENVIRONMENT) {
547 l_margin += font_metrics::signedWidth(layout->labelindent,
549 l_margin += font_metrics::width(layout->labelsep, labelfont);
550 l_margin += font_metrics::width(par.getLabelstring(),
555 case MARGIN_RIGHT_ADDRESS_BOX: {
557 // ok, a terrible hack. The left margin depends on the widest
558 // row in this paragraph.
559 RowList::iterator rit = par.rows().begin();
560 RowList::iterator end = par.rows().end();
562 #warning This is wrong.
564 int minfill = maxwidth_;
565 for ( ; rit != end; ++rit)
566 if (rit->fill() < minfill)
567 minfill = rit->fill();
568 l_margin += font_metrics::signedWidth(layout->leftmargin,
569 tclass.defaultfont());
572 // also wrong, but much shorter.
573 l_margin += maxwidth_ / 2;
578 if (!par.params().leftIndent().zero())
579 l_margin += par.params().leftIndent().inPixels(maxwidth_);
583 if (par.params().align() == LYX_ALIGN_LAYOUT)
584 align = layout->align;
586 align = par.params().align();
588 // set the correct parindent
590 && (layout->labeltype == LABEL_NO_LABEL
591 || layout->labeltype == LABEL_TOP_ENVIRONMENT
592 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
593 || (layout->labeltype == LABEL_STATIC
594 && layout->latextype == LATEX_ENVIRONMENT
595 && !isFirstInSequence(pit, pars_)))
596 && align == LYX_ALIGN_BLOCK
597 && !par.params().noindent()
598 // display style insets are always centered, omit indentation
601 && par.getInset(pos)->display())
602 // in charstyles, tabulars and ert paragraphs are never indented!
603 && ((par.ownerCode() != InsetBase::TEXT_CODE || isMainText())
604 && par.ownerCode() != InsetBase::ERT_CODE
605 && par.ownerCode() != InsetBase::CHARSTYLE_CODE)
606 && (par.layout() != tclass.defaultLayout()
607 || bv()->buffer()->params().paragraph_separation ==
608 BufferParams::PARSEP_INDENT))
610 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
617 int LyXText::rightMargin(Paragraph const & par) const
619 // We do not want rightmargins on inner texts.
620 if (bv()->text() != this)
623 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
626 + font_metrics::signedWidth(tclass.rightmargin(),
627 tclass.defaultfont())
628 + font_metrics::signedWidth(par.layout()->rightmargin,
629 tclass.defaultfont())
630 * 4 / (par.getDepth() + 4);
636 int LyXText::labelEnd(pit_type const pit) const
638 // labelEnd is only needed if the layout fills a flushleft label.
639 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
641 // return the beginning of the body
642 return leftMargin(pit);
648 // this needs special handling - only newlines count as a break point
649 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
651 pos_type const end = par.size();
654 if (par.isNewline(i))
663 void LyXText::rowBreakPoint(pit_type const pit, Row & row) const
665 Paragraph const & par = pars_[pit];
666 pos_type const end = par.size();
667 pos_type const pos = row.pos();
673 // maximum pixel width of a row
674 int width = maxwidth_ - rightMargin(par); // - leftMargin(pit, row);
680 LyXLayout_ptr const & layout = par.layout();
682 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
683 row.endpos(addressBreakPoint(pos, par));
687 pos_type const body_pos = par.beginOfBody();
690 // Now we iterate through until we reach the right margin
691 // or the end of the par, then choose the possible break
694 int const left = leftMargin(pit, pos);
697 // pixel width since last breakpoint
700 FontIterator fi = FontIterator(*this, par, pos);
701 pos_type point = end;
703 for ( ; i < end; ++i, ++fi) {
704 char const c = par.getChar(i);
707 int thiswidth = singleWidth(par, i, c, *fi);
709 // add the auto-hfill from label end to the body
710 if (body_pos && i == body_pos) {
711 int add = font_metrics::width(layout->labelsep, getLabelFont(par));
712 if (par.isLineSeparator(i - 1))
713 add -= singleWidth(par, i - 1);
715 add = std::max(add, labelEnd(pit) - x);
720 chunkwidth += thiswidth;
723 // break before a character that will fall off
724 // the right of the row
726 // if no break before, break here
727 if (point == end || chunkwidth >= width - left) {
734 // exit on last registered breakpoint:
738 if (par.isNewline(i)) {
744 if (par.isInset(i + 1) && par.getInset(i + 1)->display()) {
749 if (par.isInset(i) && par.getInset(i)->display()) {
755 if (!par.isInset(i) || par.getInset(i)->isChar()) {
756 // some insets are line separators too
757 if (par.isLineSeparator(i)) {
758 // register breakpoint:
765 // maybe found one, but the par is short enough.
766 if (i == end && x < width)
769 // manual labels cannot be broken in LaTeX. But we
770 // want to make our on-screen rendering of footnotes
772 if (body_pos && point < body_pos)
779 void LyXText::setRowWidth(pit_type const pit, Row & row) const
781 // get the pure distance
782 pos_type const end = row.endpos();
784 Paragraph const & par = pars_[pit];
785 string const & labelsep = par.layout()->labelsep;
786 int w = leftMargin(pit, row.pos());
788 pos_type const body_pos = par.beginOfBody();
789 pos_type i = row.pos();
792 FontIterator fi = FontIterator(*this, par, i);
793 for ( ; i < end; ++i, ++fi) {
794 if (body_pos > 0 && i == body_pos) {
795 w += font_metrics::width(labelsep, getLabelFont(par));
796 if (par.isLineSeparator(i - 1))
797 w -= singleWidth(par, i - 1);
798 w = max(w, labelEnd(pit));
800 char const c = par.getChar(i);
801 w += singleWidth(par, i, c, *fi);
805 if (body_pos > 0 && body_pos >= end) {
806 w += font_metrics::width(labelsep, getLabelFont(par));
807 if (end > 0 && par.isLineSeparator(end - 1))
808 w -= singleWidth(par, end - 1);
809 w = max(w, labelEnd(pit));
812 row.width(w + rightMargin(par));
816 // returns the minimum space a manual label needs on the screen in pixel
817 int LyXText::labelFill(Paragraph const & par, Row const & row) const
819 pos_type last = par.beginOfBody();
821 BOOST_ASSERT(last > 0);
823 // -1 because a label ends with a space that is in the label
826 // a separator at this end does not count
827 if (par.isLineSeparator(last))
831 for (pos_type i = row.pos(); i <= last; ++i)
832 w += singleWidth(par, i);
834 string const & label = par.params().labelWidthString();
838 return max(0, font_metrics::width(label, getLabelFont(par)) - w);
842 LColor_color LyXText::backgroundColor() const
844 return LColor_color(LColor::color(background_color_));
848 void LyXText::setHeightOfRow(pit_type const pit, Row & row)
850 Paragraph const & par = pars_[pit];
851 // get the maximum ascent and the maximum descent
852 double layoutasc = 0;
853 double layoutdesc = 0;
854 double const dh = defaultRowHeight();
856 // ok, let us initialize the maxasc and maxdesc value.
857 // Only the fontsize count. The other properties
858 // are taken from the layoutfont. Nicer on the screen :)
859 LyXLayout_ptr const & layout = par.layout();
861 // as max get the first character of this row then it can
862 // increase but not decrease the height. Just some point to
863 // start with so we don't have to do the assignment below too
865 LyXFont font = getFont(par, row.pos());
866 LyXFont::FONT_SIZE const tmpsize = font.size();
867 font = getLayoutFont(pit);
868 LyXFont::FONT_SIZE const size = font.size();
869 font.setSize(tmpsize);
871 LyXFont labelfont = getLabelFont(par);
873 // these are minimum values
874 double const spacing_val = layout->spacing.getValue() * spacing(par);
875 //lyxerr << "spacing_val = " << spacing_val << endl;
876 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
877 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
879 // insets may be taller
880 InsetList::const_iterator ii = par.insetlist.begin();
881 InsetList::const_iterator iend = par.insetlist.end();
882 for ( ; ii != iend; ++ii) {
883 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
884 maxasc = max(maxasc, ii->inset->ascent());
885 maxdesc = max(maxdesc, ii->inset->descent());
889 // Check if any custom fonts are larger (Asger)
890 // This is not completely correct, but we can live with the small,
891 // cosmetic error for now.
893 pos_type const pos_end = row.endpos();
895 LyXFont::FONT_SIZE maxsize =
896 par.highestFontInRange(row.pos(), pos_end, size);
897 if (maxsize > font.size()) {
898 font.setSize(maxsize);
899 maxasc = max(maxasc, font_metrics::maxAscent(font));
900 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
903 // This is nicer with box insets:
910 if (row.pos() == 0) {
911 BufferParams const & bufparams = bv()->buffer()->params();
912 // some parksips VERY EASY IMPLEMENTATION
913 if (bv()->buffer()->params().paragraph_separation
914 == BufferParams::PARSEP_SKIP
916 && ((layout->isParagraph() && par.getDepth() == 0)
917 || (pars_[pit - 1].layout()->isParagraph()
918 && pars_[pit - 1].getDepth() == 0)))
920 maxasc += bufparams.getDefSkip().inPixels(*bv());
923 if (par.params().startOfAppendix())
924 maxasc += int(3 * dh);
926 // This is special code for the chapter, since the label of this
927 // layout is printed in an extra row
928 if (layout->counter == "chapter"
929 && !par.params().labelString().empty()) {
930 labeladdon = int(font_metrics::maxHeight(labelfont)
931 * layout->spacing.getValue()
935 // special code for the top label
936 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
937 || layout->labeltype == LABEL_BIBLIO
938 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
939 && isFirstInSequence(pit, paragraphs())
940 && !par.getLabelstring().empty())
943 font_metrics::maxHeight(labelfont)
944 * layout->spacing.getValue()
946 + (layout->topsep + layout->labelbottomsep) * dh);
949 // Add the layout spaces, for example before and after
950 // a section, or between the items of a itemize or enumerate
953 pit_type prev = depthHook(pit, pars_, par.getDepth());
955 && pars_[prev].layout() == layout
956 && pars_[prev].getDepth() == par.getDepth()
957 && pars_[prev].getLabelWidthString() == par.getLabelWidthString())
959 layoutasc = layout->itemsep * dh;
960 } else if (pit != 0 || row.pos() != 0) {
961 if (layout->topsep > 0)
962 layoutasc = layout->topsep * dh;
965 prev = outerHook(pit, pars_);
966 if (prev != pit_type(pars_.size())) {
967 maxasc += int(pars_[prev].layout()->parsep * dh);
968 } else if (pit != 0) {
969 if (pars_[pit - 1].getDepth() != 0 ||
970 pars_[pit - 1].layout() == layout) {
971 maxasc += int(layout->parsep * dh);
976 // is it a bottom line?
977 if (row.endpos() >= par.size()) {
978 // add the layout spaces, for example before and after
979 // a section, or between the items of a itemize or enumerate
981 pit_type nextpit = pit + 1;
982 if (nextpit != pit_type(pars_.size())) {
987 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
988 usual = pars_[cpit].layout()->bottomsep * dh;
989 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
990 if (pars_[cpit].layout() != pars_[nextpit].layout()
991 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
993 unusual = pars_[cpit].layout()->bottomsep * dh;
995 layoutdesc = max(unusual, usual);
996 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
997 if (pars_[cpit].layout() != pars_[nextpit].layout()
998 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
999 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1004 // incalculate the layout spaces
1005 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1006 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1008 // Top and bottom margin of the document (only at top-level)
1009 if (bv_owner->text() == this) {
1010 if (pit == 0 && row.pos() == 0)
1012 if (pit + 1 == pars_.size() && row.endpos() == par.size())
1016 row.ascent(maxasc + labeladdon);
1017 row.descent(maxdesc);
1025 void LyXText::breakParagraph(LCursor & cur, bool keep_layout)
1027 BOOST_ASSERT(this == cur.text());
1028 // allow only if at start or end, or all previous is new text
1029 Paragraph & cpar = cur.paragraph();
1030 pit_type cpit = cur.pit();
1032 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
1033 && cpar.isChangeEdited(0, cur.pos()))
1036 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1037 LyXLayout_ptr const & layout = cpar.layout();
1039 // this is only allowed, if the current paragraph is not empty
1040 // or caption and if it has not the keepempty flag active
1041 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1042 && layout->labeltype != LABEL_SENSITIVE)
1045 // a layout change may affect also the following paragraph
1046 recUndo(cur.pit(), undoSpan(cur.pit()) - 1);
1048 // Always break behind a space
1049 // It is better to erase the space (Dekel)
1050 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1051 cpar.erase(cur.pos());
1053 // How should the layout for the new paragraph be?
1054 int preserve_layout = 0;
1056 preserve_layout = 2;
1058 preserve_layout = layout->isEnvironment();
1060 // We need to remember this before we break the paragraph, because
1061 // that invalidates the layout variable
1062 bool sensitive = layout->labeltype == LABEL_SENSITIVE;
1064 // we need to set this before we insert the paragraph.
1065 bool const isempty = cpar.allowEmpty() && cpar.empty();
1067 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1068 cur.pos(), preserve_layout);
1070 // After this, neither paragraph contains any rows!
1073 pit_type next_par = cpit + 1;
1075 // well this is the caption hack since one caption is really enough
1078 // set to standard-layout
1079 pars_[cpit].applyLayout(tclass.defaultLayout());
1081 // set to standard-layout
1082 pars_[next_par].applyLayout(tclass.defaultLayout());
1085 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1086 pars_[next_par].erase(0);
1088 updateCounters(cur.buffer());
1090 // This check is necessary. Otherwise the new empty paragraph will
1091 // be deleted automatically. And it is more friendly for the user!
1092 if (cur.pos() != 0 || isempty)
1093 setCursor(cur, cur.pit() + 1, 0);
1095 setCursor(cur, cur.pit(), 0);
1099 // insert a character, moves all the following breaks in the
1100 // same Paragraph one to the right and make a rebreak
1101 void LyXText::insertChar(LCursor & cur, char c)
1103 BOOST_ASSERT(this == cur.text());
1104 BOOST_ASSERT(c != Paragraph::META_INSET);
1106 recordUndo(cur, Undo::INSERT);
1108 Paragraph & par = cur.paragraph();
1109 // try to remove this
1110 pit_type const pit = cur.pit();
1112 bool const freeSpacing = par.layout()->free_spacing ||
1113 par.isFreeSpacing();
1115 if (lyxrc.auto_number) {
1116 static string const number_operators = "+-/*";
1117 static string const number_unary_operators = "+-";
1118 static string const number_seperators = ".,:";
1120 if (current_font.number() == LyXFont::ON) {
1121 if (!IsDigit(c) && !contains(number_operators, c) &&
1122 !(contains(number_seperators, c) &&
1124 cur.pos() != cur.lastpos() &&
1125 getFont(par, cur.pos()).number() == LyXFont::ON &&
1126 getFont(par, cur.pos() - 1).number() == LyXFont::ON)
1128 number(cur); // Set current_font.number to OFF
1129 } else if (IsDigit(c) &&
1130 real_current_font.isVisibleRightToLeft()) {
1131 number(cur); // Set current_font.number to ON
1133 if (cur.pos() != 0) {
1134 char const c = par.getChar(cur.pos() - 1);
1135 if (contains(number_unary_operators, c) &&
1137 || par.isSeparator(cur.pos() - 2)
1138 || par.isNewline(cur.pos() - 2))
1140 setCharFont(pit, cur.pos() - 1, current_font);
1141 } else if (contains(number_seperators, c)
1143 && getFont(par, cur.pos() - 2).number() == LyXFont::ON) {
1144 setCharFont(pit, cur.pos() - 1, current_font);
1150 // First check, if there will be two blanks together or a blank at
1151 // the beginning of a paragraph.
1152 // I decided to handle blanks like normal characters, the main
1153 // difference are the special checks when calculating the row.fill
1154 // (blank does not count at the end of a row) and the check here
1156 // The bug is triggered when we type in a description environment:
1157 // The current_font is not changed when we go from label to main text
1158 // and it should (along with realtmpfont) when we type the space.
1159 // CHECK There is a bug here! (Asger)
1161 // store the current font. This is because of the use of cursor
1162 // movements. The moving cursor would refresh the current font
1163 LyXFont realtmpfont = real_current_font;
1164 LyXFont rawtmpfont = current_font;
1166 // When the free-spacing option is set for the current layout,
1167 // disable the double-space checking
1168 if (!freeSpacing && IsLineSeparatorChar(c)) {
1169 if (cur.pos() == 0) {
1170 static bool sent_space_message = false;
1171 if (!sent_space_message) {
1172 cur.message(_("You cannot insert a space at the "
1173 "beginning of a paragraph. Please read the Tutorial."));
1174 sent_space_message = true;
1178 BOOST_ASSERT(cur.pos() > 0);
1179 if (par.isLineSeparator(cur.pos() - 1)
1180 || par.isNewline(cur.pos() - 1)) {
1181 static bool sent_space_message = false;
1182 if (!sent_space_message) {
1183 cur.message(_("You cannot type two spaces this way. "
1184 "Please read the Tutorial."));
1185 sent_space_message = true;
1191 par.insertChar(cur.pos(), c, rawtmpfont);
1193 current_font = rawtmpfont;
1194 real_current_font = realtmpfont;
1195 //setCursor(cur, cur.pit(), cur.pos() + 1, false, cur.boundary());
1196 setCursor(cur, cur.pit(), cur.pos() + 1, false, true);
1201 void LyXText::charInserted()
1203 // Here we call finishUndo for every 20 characters inserted.
1204 // This is from my experience how emacs does it. (Lgb)
1205 static unsigned int counter;
1216 LyXText::computeRowMetrics(pit_type const pit, Row const & row) const
1219 Paragraph const & par = pars_[pit];
1221 double w = dim_.wid - row.width();
1223 bool const is_rtl = isRTL(par);
1225 result.x = rightMargin(par);
1227 result.x = leftMargin(pit, row.pos());
1229 // is there a manual margin with a manual label
1230 LyXLayout_ptr const & layout = par.layout();
1232 if (layout->margintype == MARGIN_MANUAL
1233 && layout->labeltype == LABEL_MANUAL) {
1234 /// We might have real hfills in the label part
1235 int nlh = numberOfLabelHfills(par, row);
1237 // A manual label par (e.g. List) has an auto-hfill
1238 // between the label text and the body of the
1240 // But we don't want to do this auto hfill if the par
1245 if (nlh && !par.getLabelWidthString().empty())
1246 result.label_hfill = labelFill(par, row) / double(nlh);
1249 // are there any hfills in the row?
1250 int const nh = numberOfHfills(par, row);
1254 result.hfill = w / nh;
1255 // we don't have to look at the alignment if it is ALIGN_LEFT and
1256 // if the row is already larger then the permitted width as then
1257 // we force the LEFT_ALIGN'edness!
1258 } else if (int(row.width()) < maxwidth_) {
1259 // is it block, flushleft or flushright?
1260 // set x how you need it
1262 if (par.params().align() == LYX_ALIGN_LAYOUT)
1263 align = layout->align;
1265 align = par.params().align();
1267 // Display-style insets should always be on a centred row
1268 // The test on par.size() is to catch zero-size pars, which
1269 // would trigger the assert in Paragraph::getInset().
1270 //inset = par.size() ? par.getInset(row.pos()) : 0;
1272 && par.isInset(row.pos())
1273 && par.getInset(row.pos())->display())
1275 align = LYX_ALIGN_CENTER;
1279 case LYX_ALIGN_BLOCK: {
1280 int const ns = numberOfSeparators(par, row);
1281 bool disp_inset = false;
1282 if (row.endpos() < par.size()) {
1283 InsetBase const * in = par.getInset(row.endpos());
1285 disp_inset = in->display();
1287 // If we have separators, this is not the last row of a
1288 // par, does not end in newline, and is not row above a
1289 // display inset... then stretch it
1291 && row.endpos() < par.size()
1292 && !par.isNewline(row.endpos() - 1)
1295 result.separator = w / ns;
1296 } else if (is_rtl) {
1301 case LYX_ALIGN_RIGHT:
1304 case LYX_ALIGN_CENTER:
1310 bidi.computeTables(par, *bv()->buffer(), row);
1312 pos_type body_pos = par.beginOfBody();
1313 pos_type end = row.endpos();
1316 && (body_pos > end || !par.isLineSeparator(body_pos - 1)))
1318 result.x += font_metrics::width(layout->labelsep, getLabelFont(par));
1319 if (body_pos <= end)
1320 result.x += result.label_hfill;
1328 // the cursor set functions have a special mechanism. When they
1329 // realize, that you left an empty paragraph, they will delete it.
1331 bool LyXText::cursorRightOneWord(LCursor & cur)
1333 BOOST_ASSERT(this == cur.text());
1337 if (old.pos() == old.lastpos() && old.pit() != old.lastpit()) {
1341 // Skip through initial nonword stuff.
1342 // Treat floats and insets as words.
1343 while (old.pos() != old.lastpos() && !old.paragraph().isLetter(old.pos()))
1345 // Advance through word.
1346 while (old.pos() != old.lastpos() && old.paragraph().isLetter(old.pos()))
1349 return setCursor(cur, old.pit(), old.pos());
1353 bool LyXText::cursorLeftOneWord(LCursor & cur)
1355 BOOST_ASSERT(this == cur.text());
1359 if (old.pos() == 0 && old.pit() != 0) {
1361 old.pos() = old.lastpos();
1363 // Skip through initial nonword stuff.
1364 // Treat floats and insets as words.
1365 while (old.pos() != 0 && !old.paragraph().isLetter(old.pos() - 1))
1367 // Advance through word.
1368 while (old.pos() != 0 && old.paragraph().isLetter(old.pos() - 1))
1371 return setCursor(cur, old.pit(), old.pos());
1375 void LyXText::selectWord(LCursor & cur, word_location loc)
1377 BOOST_ASSERT(this == cur.text());
1378 CursorSlice from = cur.top();
1379 CursorSlice to = cur.top();
1380 getWord(from, to, loc);
1381 if (cur.top() != from)
1382 setCursor(cur, from.pit(), from.pos());
1386 setCursor(cur, to.pit(), to.pos());
1391 // Select the word currently under the cursor when no
1392 // selection is currently set
1393 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1395 BOOST_ASSERT(this == cur.text());
1396 if (cur.selection())
1398 selectWord(cur, loc);
1399 return cur.selection();
1403 void LyXText::acceptChange(LCursor & cur)
1405 BOOST_ASSERT(this == cur.text());
1406 if (!cur.selection() && cur.lastpos() != 0)
1409 CursorSlice const & startc = cur.selBegin();
1410 CursorSlice const & endc = cur.selEnd();
1411 if (startc.pit() == endc.pit()) {
1412 recordUndoSelection(cur, Undo::INSERT);
1413 pars_[startc.pit()].acceptChange(startc.pos(), endc.pos());
1415 cur.clearSelection();
1416 setCursorIntern(cur, startc.pit(), 0);
1418 #ifdef WITH_WARNINGS
1419 #warning handle multi par selection
1424 void LyXText::rejectChange(LCursor & cur)
1426 BOOST_ASSERT(this == cur.text());
1427 if (!cur.selection() && cur.lastpos() != 0)
1430 CursorSlice const & startc = cur.selBegin();
1431 CursorSlice const & endc = cur.selEnd();
1432 if (startc.pit() == endc.pit()) {
1433 recordUndoSelection(cur, Undo::INSERT);
1434 pars_[startc.pit()].rejectChange(startc.pos(), endc.pos());
1436 cur.clearSelection();
1437 setCursorIntern(cur, startc.pit(), 0);
1439 #ifdef WITH_WARNINGS
1440 #warning handle multi par selection
1445 // Delete from cursor up to the end of the current or next word.
1446 void LyXText::deleteWordForward(LCursor & cur)
1448 BOOST_ASSERT(this == cur.text());
1449 if (cur.lastpos() == 0)
1453 cur.selection() = true;
1454 cursorRightOneWord(cur);
1456 cutSelection(cur, true, false);
1461 // Delete from cursor to start of current or prior word.
1462 void LyXText::deleteWordBackward(LCursor & cur)
1464 BOOST_ASSERT(this == cur.text());
1465 if (cur.lastpos() == 0)
1469 cur.selection() = true;
1470 cursorLeftOneWord(cur);
1472 cutSelection(cur, true, false);
1477 // Kill to end of line.
1478 void LyXText::deleteLineForward(LCursor & cur)
1480 BOOST_ASSERT(this == cur.text());
1481 if (cur.lastpos() == 0) {
1482 // Paragraph is empty, so we just go to the right
1486 cur.selection() = true; // to avoid deletion
1489 // What is this test for ??? (JMarc)
1490 if (!cur.selection())
1491 deleteWordForward(cur);
1493 cutSelection(cur, true, false);
1498 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1500 BOOST_ASSERT(this == cur.text());
1504 if (cur.selection()) {
1505 from = cur.selBegin();
1509 getWord(from, to, lyx::PARTIAL_WORD);
1510 setCursor(cur, to.pit(), to.pos() + 1);
1513 recordUndoSelection(cur);
1515 pos_type pos = from.pos();
1516 int par = from.pit();
1518 while (par != int(pars_.size()) && (pos != to.pos() || par != to.pit())) {
1520 if (pos == pars_[pit].size()) {
1525 unsigned char c = pars_[pit].getChar(pos);
1526 if (c != Paragraph::META_INSET) {
1528 case text_lowercase:
1531 case text_capitalization:
1533 action = text_lowercase;
1535 case text_uppercase:
1540 #ifdef WITH_WARNINGS
1543 pars_[pit].setChar(pos, c);
1549 void LyXText::Delete(LCursor & cur)
1551 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());
1557 } else if (cur.pit() != cur.lastpit()) {
1560 setCursorIntern(cur, cur.pit()+1, 0, false, false);
1561 if (pars_[cur.pit()].layout() == pars_[scur.pit()].layout()) {
1562 recordUndo(scur, Undo::DELETE, scur.pit());
1565 setCursorIntern(scur, scur.pit(), scur.pos(), false, scur.boundary());
1571 void LyXText::backspace(LCursor & cur)
1573 BOOST_ASSERT(this == cur.text());
1574 if (cur.pos() == 0) {
1575 // The cursor is at the beginning of a paragraph, so
1576 // the the backspace will collapse two paragraphs into
1579 // but it's not allowed unless it's new
1580 Paragraph & par = cur.paragraph();
1581 if (par.isChangeEdited(0, par.size()))
1584 // we may paste some paragraphs
1586 // is it an empty paragraph?
1587 pos_type lastpos = cur.lastpos();
1588 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1589 // This is an empty paragraph and we delete it just
1590 // by moving the cursor one step
1591 // left and let the DeleteEmptyParagraphMechanism
1592 // handle the actual deletion of the paragraph.
1594 if (cur.pit() != 0) {
1595 // For KeepEmpty layouts we need to get
1596 // rid of the keepEmpty setting first.
1597 // And the only way to do this is to
1598 // reset the layout to something
1599 // else: f.ex. the default layout.
1600 if (par.allowEmpty()) {
1601 Buffer & buf = cur.buffer();
1602 BufferParams const & bparams = buf.params();
1603 par.layout(bparams.getLyXTextClass().defaultLayout());
1612 recordUndo(cur, Undo::DELETE, cur.pit() - 1);
1614 pit_type tmppit = cur.pit();
1615 // We used to do cursorLeftIntern() here, but it is
1616 // not a good idea since it triggers the auto-delete
1617 // mechanism. So we do a cursorLeftIntern()-lite,
1618 // without the dreaded mechanism. (JMarc)
1619 if (cur.pit() != 0) {
1620 // steps into the above paragraph.
1621 setCursorIntern(cur, cur.pit() - 1,
1622 pars_[cur.pit() - 1].size(),
1626 // Pasting is not allowed, if the paragraphs have different
1627 // layout. I think it is a real bug of all other
1628 // word processors to allow it. It confuses the user.
1629 // Correction: Pasting is always allowed with standard-layout
1630 // Correction (Jug 20050717): Remove check about alignment!
1631 Buffer & buf = cur.buffer();
1632 BufferParams const & bufparams = buf.params();
1633 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1634 pit_type const cpit = cur.pit();
1637 && (pars_[cpit].layout() == pars_[tmppit].layout()
1638 || pars_[tmppit].layout() == tclass.defaultLayout()))
1640 mergeParagraph(bufparams, pars_, cpit);
1642 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1645 // the counters may have changed
1646 updateCounters(cur.buffer());
1647 setCursor(cur, cur.pit(), cur.pos(), false);
1650 // this is the code for a normal backspace, not pasting
1652 recordUndo(cur, Undo::DELETE);
1653 // We used to do cursorLeftIntern() here, but it is
1654 // not a good idea since it triggers the auto-delete
1655 // mechanism. So we do a cursorLeftIntern()-lite,
1656 // without the dreaded mechanism. (JMarc)
1657 setCursorIntern(cur, cur.pit(), cur.pos() - 1,
1658 false, cur.boundary());
1659 cur.paragraph().erase(cur.pos());
1662 if (cur.pos() == cur.lastpos())
1663 setCurrentFont(cur);
1665 setCursor(cur, cur.pit(), cur.pos(), false, cur.boundary());
1669 Paragraph & LyXText::getPar(pit_type par) const
1671 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1672 BOOST_ASSERT(par >= 0);
1673 BOOST_ASSERT(par < int(paragraphs().size()));
1674 return paragraphs()[par];
1678 Row const & LyXText::firstRow() const
1680 return *paragraphs().front().rows().begin();
1684 bool LyXText::redoParagraph(pit_type const pit)
1686 // remove rows of paragraph, keep track of height changes
1687 Paragraph & par = pars_[pit];
1689 // Add bibitem insets if necessary
1690 if (par.layout()->labeltype == LABEL_BIBLIO) {
1691 bool hasbibitem(false);
1692 if (!par.insetlist.empty()
1693 // Insist on it being in pos 0
1694 && par.getChar(0) == Paragraph::META_INSET) {
1695 InsetBase * inset = par.insetlist.begin()->inset;
1696 if (inset->lyxCode() == InsetBase::BIBITEM_CODE)
1700 InsetBibitem * inset(new
1701 InsetBibitem(InsetCommandParams("bibitem")));
1702 par.insertInset(0, static_cast<InsetBase *>(inset));
1703 bv()->cursor().posRight();
1708 InsetList::iterator ii = par.insetlist.begin();
1709 InsetList::iterator iend = par.insetlist.end();
1710 for (; ii != iend; ++ii) {
1712 int const w = maxwidth_ - leftMargin(pit) - rightMargin(par);
1713 MetricsInfo mi(bv(), getFont(par, ii->pos), w);
1714 ii->inset->metrics(mi, dim);
1717 // rebreak the paragraph
1721 par.setBeginOfBody();
1725 rowBreakPoint(pit, row);
1726 setRowWidth(pit, row);
1727 setHeightOfRow(pit, row);
1728 par.rows().push_back(row);
1729 dim.wid = std::max(dim.wid, row.width());
1730 dim.des += row.height();
1732 } while (z < par.size());
1734 dim.asc += par.rows()[0].ascent();
1735 dim.des -= par.rows()[0].ascent();
1737 bool const same = dim == par.dim();
1740 //lyxerr << "redoParagraph: " << par.rows().size() << " rows\n";
1746 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1748 //BOOST_ASSERT(mi.base.textwidth);
1749 if (mi.base.textwidth)
1750 maxwidth_ = mi.base.textwidth;
1751 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1752 // << " maxWidth: " << maxwidth_ << "\nfont: " << mi.base.font << endl;
1753 // save the caller's font locally:
1754 font_ = mi.base.font;
1758 for (pit_type pit = 0, n = paragraphs().size(); pit != n; ++pit) {
1760 Paragraph & par = paragraphs()[pit];
1762 if (w < par.width())
1767 dim.asc = pars_[0].ascent();
1768 dim.des = h - dim.asc;
1774 // only used for inset right now. should also be used for main text
1775 void LyXText::draw(PainterInfo & pi, int x, int y) const
1777 paintTextInset(*this, pi, x, y);
1782 // only used for inset right now. should also be used for main text
1783 void LyXText::drawSelection(PainterInfo & pi, int x , int) const
1785 LCursor & cur = pi.base.bv->cursor();
1786 if (!cur.selection())
1788 if (!ptr_cmp(cur.text(), this))
1791 lyxerr << "draw selection at " << x << endl;
1793 // is there a better way of getting these two iterators?
1794 DocIterator beg = cur;
1795 DocIterator end = cur;
1797 beg.top() = cur.selBegin();
1798 end.top() = cur.selEnd();
1800 // the selection doesn't touch the visible screen
1801 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1802 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1805 Paragraph const & par1 = pars_[beg.pit()];
1806 Paragraph const & par2 = pars_[end.pit()];
1808 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1809 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1812 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_ABOVE) {
1817 y1 = bv_funcs::getPos(beg).y_ - row1.ascent();
1818 int const startx = cursorX(beg.top(), begin.boundary());
1819 x1 = isRTL(par1) ? startx : 0;
1820 x2 = isRTL(par1) ? 0 + dim_.wid : startx;
1824 if (bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_BELOW) {
1825 y2 = pi.base.bv->workHeight();
1829 y2 = bv_funcs::getPos(end).y_ + row2.descent();
1830 int const endx = cursorX(end.top(), end.boundary());
1831 X1 = isRTL(par2) ? 0 : endx;
1832 X2 = isRTL(par2) ? endx : 0 + dim_.wid;
1835 lyxerr << " y1: " << y1 << " y2: " << y2
1836 << " xo: " << xo_ << " wid: " << dim_.wid
1839 // paint big rectangle in one go
1840 pi.pain.fillRectangle(x, y1, dim_.wid, y2 - y1, LColor::selection);
1842 // reset background at begin of first selected line
1843 pi.pain.fillRectangle(x + x1, y1, x2 - x1, row1.height(),
1844 LColor::background);
1846 // reset background at end of last selected line
1847 pi.pain.fillRectangle(x + X1, y2 - row2.height(),
1848 X2 - X1, row2.height(), LColor::background);
1853 void LyXText::drawSelection(PainterInfo & pi, int x, int) const
1855 LCursor & cur = pi.base.bv->cursor();
1856 if (!cur.selection())
1858 if (!ptr_cmp(cur.text(), this))
1861 lyxerr[Debug::DEBUG]
1862 << BOOST_CURRENT_FUNCTION
1863 << "draw selection at " << x
1866 // is there a better way of getting these two iterators?
1867 DocIterator beg = cur;
1868 DocIterator end = cur;
1870 beg.top() = cur.selBegin();
1871 end.top() = cur.selEnd();
1873 // the selection doesn't touch the visible screen
1874 if (bv_funcs::status(pi.base.bv, beg) == bv_funcs::CUR_BELOW
1875 || bv_funcs::status(pi.base.bv, end) == bv_funcs::CUR_ABOVE)
1878 Paragraph const & par1 = pars_[beg.pit()];
1879 Paragraph const & par2 = pars_[end.pit()];
1881 bool const above = (bv_funcs::status(pi.base.bv, beg)
1882 == bv_funcs::CUR_ABOVE);
1883 bool const below = (bv_funcs::status(pi.base.bv, end)
1884 == bv_funcs::CUR_BELOW);
1892 Row const & row1 = par1.getRow(beg.pos(), beg.boundary());
1893 y1 = bv_funcs::getPos(beg, beg.boundary()).y_ - row1.ascent();
1894 y2 = y1 + row1.height();
1895 int const startx = cursorX(beg.top(), false);
1896 x1 = !isRTL(par1) ? startx : 0;
1897 x2 = !isRTL(par1) ? 0 + dim_.wid : startx;
1902 Y1 = pi.base.bv->workHeight();
1903 Y2 = pi.base.bv->workHeight();
1907 Row const & row2 = par2.getRow(end.pos(), end.boundary());
1908 Y1 = bv_funcs::getPos(end, end.boundary()).y_ - row2.ascent();
1909 Y2 = Y1 + row2.height();
1910 int const endx = cursorX(end.top(), false);
1911 X1 = !isRTL(par2) ? 0 : endx;
1912 X2 = !isRTL(par2) ? endx : 0 + dim_.wid;
1915 if (!above && !below && &par1.getRow(beg.pos(), end.boundary())
1916 == &par2.getRow(end.pos(), end.boundary()))
1918 // paint only one rectangle
1919 pi.pain.fillRectangle(x + x1, y1, X2 - x1, y2 - y1,
1924 // paint upper rectangle
1925 pi.pain.fillRectangle(x + x1, y1, x2 - x1, y2 - y1,
1927 // paint bottom rectangle
1928 pi.pain.fillRectangle(x + X1, Y1, X2 - X1, Y2 - Y1,
1930 // paint center rectangle
1931 pi.pain.fillRectangle(x, y2, dim_.wid,
1932 Y1 - y2, LColor::selection);
1936 bool LyXText::isLastRow(pit_type pit, Row const & row) const
1938 return row.endpos() >= pars_[pit].size()
1939 && pit + 1 == pit_type(paragraphs().size());
1943 bool LyXText::isFirstRow(pit_type pit, Row const & row) const
1945 return row.pos() == 0 && pit == 0;
1949 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1950 word_location const loc)
1952 Paragraph const & from_par = pars_[from.pit()];
1954 case lyx::WHOLE_WORD_STRICT:
1955 if (from.pos() == 0 || from.pos() == from_par.size()
1956 || !from_par.isLetter(from.pos())
1957 || !from_par.isLetter(from.pos() - 1)) {
1961 // no break here, we go to the next
1963 case lyx::WHOLE_WORD:
1964 // If we are already at the beginning of a word, do nothing
1965 if (!from.pos() || !from_par.isLetter(from.pos() - 1))
1967 // no break here, we go to the next
1969 case lyx::PREVIOUS_WORD:
1970 // always move the cursor to the beginning of previous word
1971 while (from.pos() && from_par.isLetter(from.pos() - 1))
1974 case lyx::NEXT_WORD:
1975 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1978 case lyx::PARTIAL_WORD:
1979 // no need to move the 'from' cursor
1983 Paragraph & to_par = pars_[to.pit()];
1984 while (to.pos() < to_par.size() && to_par.isLetter(to.pos()))
1989 void LyXText::write(Buffer const & buf, std::ostream & os) const
1991 ParagraphList::const_iterator pit = paragraphs().begin();
1992 ParagraphList::const_iterator end = paragraphs().end();
1993 Paragraph::depth_type dth = 0;
1994 for (; pit != end; ++pit)
1995 pit->write(buf, os, buf.params(), dth);
1999 bool LyXText::read(Buffer const & buf, LyXLex & lex)
2001 static Change current_change;
2003 Paragraph::depth_type depth = 0;
2005 while (lex.isOK()) {
2007 string const token = lex.getString();
2012 if (token == "\\end_inset") {
2016 if (token == "\\end_body") {
2020 if (token == "\\begin_body") {
2024 if (token == "\\end_document") {
2028 if (token == "\\begin_layout") {
2029 lex.pushToken(token);
2032 par.params().depth(depth);
2033 if (buf.params().tracking_changes)
2035 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
2036 pars_.push_back(par);
2038 // FIXME: goddamn InsetTabular makes us pass a Buffer
2040 ::readParagraph(buf, pars_.back(), lex);
2042 } else if (token == "\\begin_deeper") {
2044 } else if (token == "\\end_deeper") {
2046 lex.printError("\\end_deeper: " "depth is already null");
2051 lyxerr << "Handling unknown body token: `"
2052 << token << '\'' << endl;
2059 int LyXText::ascent() const
2065 int LyXText::descent() const
2071 int LyXText::cursorX(CursorSlice const & sl, bool boundary) const
2073 pit_type const pit = sl.pit();
2074 Paragraph const & par = pars_[pit];
2075 if (par.rows().empty())
2078 pos_type ppos = sl.pos();
2079 // Correct position in front of big insets
2080 bool const boundary_correction = ppos != 0 && boundary;
2081 if (boundary_correction)
2084 Row const & row = par.getRow(sl.pos(), boundary);
2086 pos_type cursor_vpos = 0;
2088 RowMetrics const m = computeRowMetrics(pit, row);
2091 pos_type const row_pos = row.pos();
2092 pos_type const end = row.endpos();
2095 cursor_vpos = row_pos;
2096 else if (ppos >= end)
2097 cursor_vpos = isRTL(par) ? row_pos : end;
2098 else if (ppos > row_pos && ppos >= end)
2099 // Place cursor after char at (logical) position pos - 1
2100 cursor_vpos = (bidi.level(ppos - 1) % 2 == 0)
2101 ? bidi.log2vis(ppos - 1) + 1 : bidi.log2vis(ppos - 1);
2103 // Place cursor before char at (logical) position ppos
2104 cursor_vpos = (bidi.level(ppos) % 2 == 0)
2105 ? bidi.log2vis(ppos) : bidi.log2vis(ppos) + 1;
2107 pos_type body_pos = par.beginOfBody();
2109 (body_pos > end || !par.isLineSeparator(body_pos - 1)))
2112 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
2113 pos_type pos = bidi.vis2log(vpos);
2114 if (body_pos > 0 && pos == body_pos - 1) {
2116 + font_metrics::width(par.layout()->labelsep,
2118 if (par.isLineSeparator(body_pos - 1))
2119 x -= singleWidth(par, body_pos - 1);
2122 x += singleWidth(par, pos);
2124 if (hfillExpansion(par, row, pos))
2125 x += (pos >= body_pos) ? m.hfill : m.label_hfill;
2126 else if (par.isSeparator(pos) && pos >= body_pos)
2130 // see correction above
2131 if (boundary_correction)
2132 x += singleWidth(par, ppos);
2138 int LyXText::cursorY(CursorSlice const & sl, bool boundary) const
2140 //lyxerr << "LyXText::cursorY: boundary: " << boundary << std::endl;
2141 Paragraph const & par = getPar(sl.pit());
2143 h -= pars_[0].rows()[0].ascent();
2144 for (pit_type pit = 0; pit < sl.pit(); ++pit)
2145 h += pars_[pit].height();
2147 if (pos && boundary)
2149 size_t const rend = par.pos2row(pos);
2150 for (size_t rit = 0; rit != rend; ++rit)
2151 h += par.rows()[rit].height();
2152 h += par.rows()[rend].ascent();
2157 // Returns the current font and depth as a message.
2158 string LyXText::currentState(LCursor & cur)
2160 BOOST_ASSERT(this == cur.text());
2161 Buffer & buf = cur.buffer();
2162 Paragraph const & par = cur.paragraph();
2163 std::ostringstream os;
2165 bool const show_change = buf.params().tracking_changes
2166 && cur.pos() != cur.lastpos()
2167 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2170 Change change = par.lookupChangeFull(cur.pos());
2171 Author const & a = buf.params().authors().get(change.author);
2172 os << _("Change: ") << a.name();
2173 if (!a.email().empty())
2174 os << " (" << a.email() << ")";
2175 if (change.changetime)
2176 os << _(" at ") << ctime(&change.changetime);
2180 // I think we should only show changes from the default
2182 LyXFont font = real_current_font;
2183 font.reduce(buf.params().getLyXTextClass().defaultfont());
2185 // avoid _(...) re-entrance problem
2186 string const s = font.stateText(&buf.params());
2187 os << bformat(_("Font: %1$s"), s);
2189 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2191 // The paragraph depth
2192 int depth = cur.paragraph().getDepth();
2194 os << bformat(_(", Depth: %1$d"), depth);
2196 // The paragraph spacing, but only if different from
2198 Spacing const & spacing = par.params().spacing();
2199 if (!spacing.isDefault()) {
2200 os << _(", Spacing: ");
2201 switch (spacing.getSpace()) {
2202 case Spacing::Single:
2205 case Spacing::Onehalf:
2208 case Spacing::Double:
2211 case Spacing::Other:
2212 os << _("Other (") << spacing.getValueAsString() << ')';
2214 case Spacing::Default:
2215 // should never happen, do nothing
2220 #ifdef DEVEL_VERSION
2221 os << _(", Inset: ") << &cur.inset();
2222 os << _(", Paragraph: ") << cur.pit();
2223 os << _(", Id: ") << par.id();
2224 os << _(", Position: ") << cur.pos();
2225 os << _(", Boundary: ") << cur.boundary();
2226 // Row & row = cur.textRow();
2227 // os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2233 string LyXText::getPossibleLabel(LCursor & cur) const
2235 pit_type pit = cur.pit();
2237 LyXLayout_ptr layout = pars_[pit].layout();
2239 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2240 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2241 if (layout2->latextype != LATEX_PARAGRAPH) {
2247 string text = layout->latexname().substr(0, 3);
2248 if (layout->latexname() == "theorem")
2249 text = "thm"; // Create a correct prefix for prettyref
2252 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2255 string par_text = pars_[pit].asString(cur.buffer(), false);
2256 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2257 if (par_text.empty())
2260 par_text = split(par_text, head, ' ');
2261 // Is it legal to use spaces in labels ?
2271 //pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2275 // Paragraph const & par = pars_[pit];
2276 // Row const & r = par.rows()[row];
2277 // int pos = r.pos();
2278 // for (; currx < x && pos < r.endpos(); ++pos) {
2280 // currx += singleWidth(par, pos);
2282 // if (abs(lastx - x) < abs(currx - x) && pos != r.pos())
2288 pos_type LyXText::x2pos(pit_type pit, int row, int x) const
2290 BOOST_ASSERT(row < int(pars_[pit].rows().size()));
2292 Row const & r = pars_[pit].rows()[row];
2293 return r.pos() + getColumnNearX(pit, r, x, bound);
2297 //int LyXText::pos2x(pit_type pit, pos_type pos) const
2299 // Paragraph const & par = pars_[pit];
2300 // Row const & r = par.rows()[row];
2306 // x,y are screen coordinates
2307 // sets cursor only within this LyXText
2308 void LyXText::setCursorFromCoordinates(LCursor & cur, int const x, int const y)
2310 pit_type pit = getPitNearY(y);
2311 int yy = theCoords.get(this, pit).y_ - pars_[pit].ascent();
2312 lyxerr[Debug::DEBUG]
2313 << BOOST_CURRENT_FUNCTION
2317 << " yy: " << yy << endl;
2319 Paragraph const & par = pars_[pit];
2321 BOOST_ASSERT(par.rows().size());
2322 for (; r < int(par.rows().size()) - 1; ++r) {
2323 Row const & row = par.rows()[r];
2324 if (int(yy + row.height()) > y)
2329 Row const & row = par.rows()[r];
2331 lyxerr[Debug::DEBUG]
2332 << BOOST_CURRENT_FUNCTION
2334 << " from pos: " << row.pos()
2339 pos_type const pos = row.pos() + getColumnNearX(pit, row, xx, bound);
2341 lyxerr[Debug::DEBUG]
2342 << BOOST_CURRENT_FUNCTION
2343 << ": setting cursor pit: " << pit
2347 setCursor(cur, pit, pos, true, bound);