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"
74 using lyx::word_location;
76 using lyx::support::bformat;
77 using lyx::support::contains;
78 using lyx::support::lowercase;
79 using lyx::support::split;
80 using lyx::support::uppercase;
82 using lyx::cap::cutSelection;
95 int numberOfSeparators(Paragraph const & par, Row const & row)
97 pos_type const first = max(row.pos(), par.beginOfBody());
98 pos_type const last = row.endpos() - 1;
100 for (pos_type p = first; p < last; ++p) {
101 if (par.isSeparator(p))
108 unsigned int maxParagraphWidth(ParagraphList const & plist)
110 unsigned int width = 0;
111 ParagraphList::const_iterator pit = plist.begin();
112 ParagraphList::const_iterator end = plist.end();
113 for (; pit != end; ++pit)
114 width = std::max(width, pit->width);
119 int numberOfLabelHfills(Paragraph const & par, Row const & row)
121 pos_type last = row.endpos() - 1;
122 pos_type first = row.pos();
124 // hfill *DO* count at the beginning of paragraphs!
126 while (first < last && par.isHfill(first))
130 last = min(last, par.beginOfBody());
132 for (pos_type p = first; p < last; ++p) {
140 int numberOfHfills(Paragraph const & par, Row const & row)
142 pos_type const last = row.endpos() - 1;
143 pos_type first = row.pos();
145 // hfill *DO* count at the beginning of paragraphs!
147 while (first < last && par.isHfill(first))
151 first = max(first, par.beginOfBody());
154 for (pos_type p = first; p < last; ++p) {
162 int readParToken(Buffer const & buf, Paragraph & par, LyXLex & lex,
163 string const & token)
166 static Change change;
168 BufferParams const & bp = buf.params();
170 if (token[0] != '\\') {
171 string::const_iterator cit = token.begin();
172 for (; cit != token.end(); ++cit) {
173 par.insertChar(par.size(), (*cit), font, change);
175 } else if (token == "\\begin_layout") {
177 string layoutname = lex.getString();
179 font = LyXFont(LyXFont::ALL_INHERIT, bp.language);
182 LyXTextClass const & tclass = bp.getLyXTextClass();
184 if (layoutname.empty()) {
185 layoutname = tclass.defaultLayoutName();
188 bool hasLayout = tclass.hasLayout(layoutname);
191 lyxerr << "Layout '" << layoutname << "' does not"
192 << " exist in textclass '" << tclass.name()
194 lyxerr << "Trying to use default layout instead."
196 layoutname = tclass.defaultLayoutName();
199 par.layout(bp.getLyXTextClass()[layoutname]);
201 // Test whether the layout is obsolete.
202 LyXLayout_ptr const & layout = par.layout();
203 if (!layout->obsoleted_by().empty())
204 par.layout(bp.getLyXTextClass()[layout->obsoleted_by()]);
206 par.params().read(lex);
208 } else if (token == "\\end_layout") {
209 lyxerr << "Solitary \\end_layout in line " << lex.getLineNo() << "\n"
210 << "Missing \\begin_layout?.\n";
211 } else if (token == "\\end_inset") {
212 lyxerr << "Solitary \\end_inset in line " << lex.getLineNo() << "\n"
213 << "Missing \\begin_inset?.\n";
214 } else if (token == "\\begin_inset") {
215 InsetBase * inset = readInset(lex, buf);
217 par.insertInset(par.size(), inset, font, change);
220 string line = lex.getString();
221 buf.error(ErrorItem(_("Unknown Inset"), line,
222 par.id(), 0, par.size()));
225 } else if (token == "\\family") {
227 font.setLyXFamily(lex.getString());
228 } else if (token == "\\series") {
230 font.setLyXSeries(lex.getString());
231 } else if (token == "\\shape") {
233 font.setLyXShape(lex.getString());
234 } else if (token == "\\size") {
236 font.setLyXSize(lex.getString());
237 } else if (token == "\\lang") {
239 string const tok = lex.getString();
240 Language const * lang = languages.getLanguage(tok);
242 font.setLanguage(lang);
244 font.setLanguage(bp.language);
245 lex.printError("Unknown language `$$Token'");
247 } else if (token == "\\numeric") {
249 font.setNumber(font.setLyXMisc(lex.getString()));
250 } else if (token == "\\emph") {
252 font.setEmph(font.setLyXMisc(lex.getString()));
253 } else if (token == "\\bar") {
255 string const tok = lex.getString();
258 font.setUnderbar(LyXFont::ON);
259 else if (tok == "no")
260 font.setUnderbar(LyXFont::OFF);
261 else if (tok == "default")
262 font.setUnderbar(LyXFont::INHERIT);
264 lex.printError("Unknown bar font flag "
266 } else if (token == "\\noun") {
268 font.setNoun(font.setLyXMisc(lex.getString()));
269 } else if (token == "\\color") {
271 font.setLyXColor(lex.getString());
272 } else if (token == "\\InsetSpace" || token == "\\SpecialChar") {
274 // Insets don't make sense in a free-spacing context! ---Kayvan
275 if (par.isFreeSpacing()) {
276 if (token == "\\InsetSpace")
277 par.insertChar(par.size(), ' ', font, change);
278 else if (lex.isOK()) {
280 string const next_token = lex.getString();
281 if (next_token == "\\-")
282 par.insertChar(par.size(), '-', font, change);
284 lex.printError("Token `$$Token' "
286 "paragraph layout!");
290 auto_ptr<InsetBase> inset;
291 if (token == "\\SpecialChar" )
292 inset.reset(new InsetSpecialChar);
294 inset.reset(new InsetSpace);
295 inset->read(buf, lex);
296 par.insertInset(par.size(), inset.release(),
299 } else if (token == "\\i") {
300 auto_ptr<InsetBase> inset(new InsetLatexAccent);
301 inset->read(buf, lex);
302 par.insertInset(par.size(), inset.release(), font, change);
303 } else if (token == "\\backslash") {
304 par.insertChar(par.size(), '\\', font, change);
305 } else if (token == "\\newline") {
306 auto_ptr<InsetBase> inset(new InsetNewline);
307 inset->read(buf, lex);
308 par.insertInset(par.size(), inset.release(), font, change);
309 } else if (token == "\\LyXTable") {
310 auto_ptr<InsetBase> inset(new InsetTabular(buf));
311 inset->read(buf, lex);
312 par.insertInset(par.size(), inset.release(), font, change);
313 } else if (token == "\\bibitem") {
314 InsetCommandParams p("bibitem", "dummy");
315 auto_ptr<InsetBibitem> inset(new InsetBibitem(p));
316 inset->read(buf, lex);
317 par.insertInset(par.size(), inset.release(), font, change);
318 } else if (token == "\\hfill") {
319 par.insertInset(par.size(), new InsetHFill, font, change);
320 } else if (token == "\\lyxline") {
321 par.insertInset(par.size(), new InsetLine, font, change);
322 } else if (token == "\\newpage") {
323 par.insertInset(par.size(), new InsetPagebreak, font, change);
324 } else if (token == "\\change_unchanged") {
325 // Hack ! Needed for empty paragraphs :/
326 // FIXME: is it still ??
329 change = Change(Change::UNCHANGED);
330 } else if (token == "\\change_inserted") {
332 std::istringstream is(lex.getString());
336 change = Change(Change::INSERTED, bp.author_map[aid], ct);
337 } else if (token == "\\change_deleted") {
339 std::istringstream is(lex.getString());
343 change = Change(Change::DELETED, bp.author_map[aid], ct);
346 buf.error(ErrorItem(_("Unknown token"),
347 bformat(_("Unknown token: %1$s %2$s\n"), token, lex.getString()),
348 par.id(), 0, par.size()));
355 int readParagraph(Buffer const & buf, Paragraph & par, LyXLex & lex)
360 string token = lex.getString();
364 unknown += readParToken(buf, par, lex, token);
367 token = lex.getString();
372 if (token == "\\end_layout") {
373 //Ok, paragraph finished
377 lyxerr[Debug::PARSER] << "Handling paragraph token: `"
378 << token << '\'' << endl;
379 if (token == "\\begin_layout" || token == "\\end_document"
380 || token == "\\end_inset" || token == "\\begin_deeper"
381 || token == "\\end_deeper") {
382 lex.pushToken(token);
383 lyxerr << "Paragraph ended in line "
384 << lex.getLineNo() << "\n"
385 << "Missing \\end_layout.\n";
397 BufferView * LyXText::bv()
399 BOOST_ASSERT(bv_owner != 0);
404 BufferView * LyXText::bv() const
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 void LyXText::updateParPositions()
422 par_type end = pars_.size();
423 for (height_ = 0; pit != end; ++pit) {
424 pars_[pit].y = height_;
425 height_ += pars_[pit].height;
430 int LyXText::width() const
436 int LyXText::height() const
442 int LyXText::singleWidth(par_type par, pos_type pos) const
444 if (pos >= pars_[par].size())
447 char const c = pars_[par].getChar(pos);
448 return singleWidth(par, pos, c, getFont(par, pos));
452 int LyXText::singleWidth(par_type pit,
453 pos_type pos, char c, LyXFont const & font) const
455 if (pos >= pars_[pit].size()) {
456 lyxerr << "in singleWidth(), pos: " << pos << endl;
461 // The most common case is handled first (Asger)
462 if (IsPrintable(c)) {
463 if (!font.language()->RightToLeft()) {
464 if ((lyxrc.font_norm_type == LyXRC::ISO_8859_6_8 ||
465 lyxrc.font_norm_type == LyXRC::ISO_10646_1)
466 && font.language()->lang() == "arabic") {
467 if (Encodings::IsComposeChar_arabic(c))
470 c = pars_[pit].transformChar(c, pos);
471 } else if (font.language()->lang() == "hebrew" &&
472 Encodings::IsComposeChar_hebrew(c))
475 return font_metrics::width(c, font);
478 if (c == Paragraph::META_INSET)
479 return pars_[pit].getInset(pos)->width();
481 if (IsSeparatorChar(c))
483 return font_metrics::width(c, font);
487 int LyXText::leftMargin(par_type pit) const
489 return leftMargin(pit, pars_[pit].size());
493 int LyXText::leftMargin(par_type pit, pos_type pos) const
495 LyXTextClass const & tclass =
496 bv()->buffer()->params().getLyXTextClass();
497 LyXLayout_ptr const & layout = pars_[pit].layout();
499 string parindent = layout->parindent;
504 l_margin += changebarMargin();
506 l_margin += font_metrics::signedWidth(tclass.leftmargin(), tclass.defaultfont());
508 if (pars_[pit].getDepth() != 0) {
509 // find the next level paragraph
510 par_type newpar = outerHook(pit, pars_);
511 if (newpar != par_type(pars_.size())) {
512 if (pars_[newpar].layout()->isEnvironment()) {
513 l_margin = leftMargin(newpar);
515 if (pars_[pit].layout() == tclass.defaultLayout()) {
516 if (pars_[newpar].params().noindent())
519 parindent = pars_[newpar].layout()->parindent;
524 LyXFont const labelfont = getLabelFont(pit);
525 switch (layout->margintype) {
527 if (!layout->leftmargin.empty())
528 l_margin += font_metrics::signedWidth(layout->leftmargin,
529 tclass.defaultfont());
530 if (!pars_[pit].getLabelstring().empty()) {
531 l_margin += font_metrics::signedWidth(layout->labelindent,
533 l_margin += font_metrics::width(pars_[pit].getLabelstring(),
535 l_margin += font_metrics::width(layout->labelsep, labelfont);
540 l_margin += font_metrics::signedWidth(layout->labelindent, labelfont);
541 // The width of an empty par, even with manual label, should be 0
542 if (!pars_[pit].empty() && pos >= pars_[pit].beginOfBody()) {
543 if (!pars_[pit].getLabelWidthString().empty()) {
544 l_margin += font_metrics::width(pars_[pit].getLabelWidthString(),
546 l_margin += font_metrics::width(layout->labelsep, labelfont);
552 l_margin += font_metrics::signedWidth(layout->leftmargin, tclass.defaultfont()) * 4
553 / (pars_[pit].getDepth() + 4);
556 case MARGIN_FIRST_DYNAMIC:
557 if (layout->labeltype == LABEL_MANUAL) {
558 if (pos >= pars_[pit].beginOfBody()) {
559 l_margin += font_metrics::signedWidth(layout->leftmargin,
562 l_margin += font_metrics::signedWidth(layout->labelindent,
566 // Special case to fix problems with
568 || (layout->labeltype == LABEL_STATIC
569 && layout->latextype == LATEX_ENVIRONMENT
570 && !isFirstInSequence(pit, pars_))) {
571 l_margin += font_metrics::signedWidth(layout->leftmargin,
573 } else if (layout->labeltype != LABEL_TOP_ENVIRONMENT
574 && layout->labeltype != LABEL_BIBLIO
575 && layout->labeltype !=
576 LABEL_CENTERED_TOP_ENVIRONMENT) {
577 l_margin += font_metrics::signedWidth(layout->labelindent,
579 l_margin += font_metrics::width(layout->labelsep, labelfont);
580 l_margin += font_metrics::width(pars_[pit].getLabelstring(),
585 case MARGIN_RIGHT_ADDRESS_BOX: {
587 // ok, a terrible hack. The left margin depends on the widest
588 // row in this paragraph.
589 RowList::iterator rit = pars_[pit].rows.begin();
590 RowList::iterator end = pars_[pit].rows.end();
592 #warning This is wrong.
594 int minfill = maxwidth_;
595 for ( ; rit != end; ++rit)
596 if (rit->fill() < minfill)
597 minfill = rit->fill();
598 l_margin += font_metrics::signedWidth(layout->leftmargin,
599 tclass.defaultfont());
602 // also wrong, but much shorter.
603 l_margin += maxwidth_ / 2;
608 if (!pars_[pit].params().leftIndent().zero())
609 l_margin += pars_[pit].params().leftIndent().inPixels(maxwidth_);
613 if (pars_[pit].params().align() == LYX_ALIGN_LAYOUT)
614 align = layout->align;
616 align = pars_[pit].params().align();
618 // set the correct parindent
620 && (layout->labeltype == LABEL_NO_LABEL
621 || layout->labeltype == LABEL_TOP_ENVIRONMENT
622 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT
623 || (layout->labeltype == LABEL_STATIC
624 && layout->latextype == LATEX_ENVIRONMENT
625 && !isFirstInSequence(pit, pars_)))
626 && align == LYX_ALIGN_BLOCK
627 && !pars_[pit].params().noindent()
628 // in tabulars and ert paragraphs are never indented!
629 && (pars_[pit].ownerCode() != InsetBase::TEXT_CODE
630 && pars_[pit].ownerCode() != InsetBase::ERT_CODE)
631 && (pars_[pit].layout() != tclass.defaultLayout()
632 || bv()->buffer()->params().paragraph_separation ==
633 BufferParams::PARSEP_INDENT))
635 l_margin += font_metrics::signedWidth(parindent, tclass.defaultfont());
642 int LyXText::rightMargin(Paragraph const & par) const
644 LyXTextClass const & tclass = bv()->buffer()->params().getLyXTextClass();
646 // We do not want rightmargins on inner texts.
647 if (bv()->text() != this)
652 + font_metrics::signedWidth(tclass.rightmargin(),
653 tclass.defaultfont())
654 + font_metrics::signedWidth(par.layout()->rightmargin,
655 tclass.defaultfont())
656 * 4 / (par.getDepth() + 4);
663 int LyXText::labelEnd(par_type pit) const
665 // labelEnd is only needed if the layout fills a flushleft label.
666 if (pars_[pit].layout()->margintype != MARGIN_MANUAL)
668 // return the beginning of the body
669 return leftMargin(pit);
675 // this needs special handling - only newlines count as a break point
676 pos_type addressBreakPoint(pos_type i, Paragraph const & par)
678 pos_type const end = par.size();
681 if (par.isNewline(i))
690 void LyXText::rowBreakPoint(par_type pit, Row & row) const
692 pos_type const end = pars_[pit].size();
693 pos_type const pos = row.pos();
699 // maximum pixel width of a row
700 int width = maxwidth_ - rightMargin(pars_[pit]); // - leftMargin(pit, row);
706 LyXLayout_ptr const & layout = pars_[pit].layout();
708 if (layout->margintype == MARGIN_RIGHT_ADDRESS_BOX) {
709 row.endpos(addressBreakPoint(pos, pars_[pit]));
713 pos_type const body_pos = pars_[pit].beginOfBody();
716 // Now we iterate through until we reach the right margin
717 // or the end of the par, then choose the possible break
720 int const left = leftMargin(pit, pos);
723 // pixel width since last breakpoint
726 FontIterator fi = FontIterator(*this, pit, pos);
727 pos_type point = end;
729 for ( ; i < end; ++i, ++fi) {
730 char const c = pars_[pit].getChar(i);
733 int thiswidth = singleWidth(pit, i, c, *fi);
735 // add the auto-hfill from label end to the body
736 if (body_pos && i == body_pos) {
737 int add = font_metrics::width(layout->labelsep, getLabelFont(pit));
738 if (pars_[pit].isLineSeparator(i - 1))
739 add -= singleWidth(pit, i - 1);
741 add = std::max(add, labelEnd(pit) - x);
746 chunkwidth += thiswidth;
749 // break before a character that will fall off
750 // the right of the row
752 // if no break before, break here
753 if (point == end || chunkwidth >= width - left) {
760 // exit on last registered breakpoint:
764 if (pars_[pit].isNewline(i)) {
770 if (pars_[pit].isInset(i + 1) && pars_[pit].getInset(i + 1)->display()) {
775 if (pars_[pit].isInset(i) && pars_[pit].getInset(i)->display()) {
781 if (!pars_[pit].isInset(i) || pars_[pit].getInset(i)->isChar()) {
782 // some insets are line separators too
783 if (pars_[pit].isLineSeparator(i)) {
784 // register breakpoint:
791 // maybe found one, but the par is short enough.
792 if (i == end && x < width)
795 // manual labels cannot be broken in LaTeX. But we
796 // want to make our on-screen rendering of footnotes
798 if (body_pos && point < body_pos)
805 void LyXText::setRowWidth(par_type pit, Row & row) const
807 // get the pure distance
808 pos_type const end = row.endpos();
810 string labelsep = pars_[pit].layout()->labelsep;
811 int w = leftMargin(pit, row.pos());
813 pos_type const body_pos = pars_[pit].beginOfBody();
814 pos_type i = row.pos();
817 FontIterator fi = FontIterator(*this, pit, i);
818 for ( ; i < end; ++i, ++fi) {
819 if (body_pos > 0 && i == body_pos) {
820 w += font_metrics::width(labelsep, getLabelFont(pit));
821 if (pars_[pit].isLineSeparator(i - 1))
822 w -= singleWidth(pit, i - 1);
823 w = max(w, labelEnd(pit));
825 char const c = pars_[pit].getChar(i);
826 w += singleWidth(pit, i, c, *fi);
830 if (body_pos > 0 && body_pos >= end) {
831 w += font_metrics::width(labelsep, getLabelFont(pit));
832 if (end > 0 && pars_[pit].isLineSeparator(end - 1))
833 w -= singleWidth(pit, end - 1);
834 w = max(w, labelEnd(pit));
837 row.width(w + rightMargin(pars_[pit]));
841 // returns the minimum space a manual label needs on the screen in pixel
842 int LyXText::labelFill(par_type pit, Row const & row) const
844 pos_type last = pars_[pit].beginOfBody();
846 BOOST_ASSERT(last > 0);
848 // -1 because a label ends with a space that is in the label
851 // a separator at this end does not count
852 if (pars_[pit].isLineSeparator(last))
856 for (pos_type i = row.pos(); i <= last; ++i)
857 w += singleWidth(pit, i);
859 string const & label = pars_[pit].params().labelWidthString();
863 return max(0, font_metrics::width(label, getLabelFont(pit)) - w);
867 LColor_color LyXText::backgroundColor() const
869 return LColor_color(LColor::color(background_color_));
873 void LyXText::setHeightOfRow(par_type pit, Row & row)
875 // get the maximum ascent and the maximum descent
876 double layoutasc = 0;
877 double layoutdesc = 0;
878 double const dh = defaultRowHeight();
880 // ok, let us initialize the maxasc and maxdesc value.
881 // Only the fontsize count. The other properties
882 // are taken from the layoutfont. Nicer on the screen :)
883 LyXLayout_ptr const & layout = pars_[pit].layout();
885 // as max get the first character of this row then it can
886 // increase but not decrease the height. Just some point to
887 // start with so we don't have to do the assignment below too
889 LyXFont font = getFont(pit, row.pos());
890 LyXFont::FONT_SIZE const tmpsize = font.size();
891 font = getLayoutFont(pit);
892 LyXFont::FONT_SIZE const size = font.size();
893 font.setSize(tmpsize);
895 LyXFont labelfont = getLabelFont(pit);
897 // these are minimum values
898 double const spacing_val =
899 layout->spacing.getValue() * spacing(pars_[pit]);
900 //lyxerr << "spacing_val = " << spacing_val << endl;
901 int maxasc = int(font_metrics::maxAscent(font) * spacing_val);
902 int maxdesc = int(font_metrics::maxDescent(font) * spacing_val);
904 // insets may be taller
905 InsetList::const_iterator ii = pars_[pit].insetlist.begin();
906 InsetList::const_iterator iend = pars_[pit].insetlist.end();
907 for ( ; ii != iend; ++ii) {
908 if (ii->pos >= row.pos() && ii->pos < row.endpos()) {
909 maxasc = max(maxasc, ii->inset->ascent());
910 maxdesc = max(maxdesc, ii->inset->descent());
914 // Check if any custom fonts are larger (Asger)
915 // This is not completely correct, but we can live with the small,
916 // cosmetic error for now.
918 pos_type const pos_end = row.endpos();
920 LyXFont::FONT_SIZE maxsize =
921 pars_[pit].highestFontInRange(row.pos(), pos_end, size);
922 if (maxsize > font.size()) {
923 font.setSize(maxsize);
924 maxasc = max(maxasc, font_metrics::maxAscent(font));
925 maxdesc = max(maxdesc, font_metrics::maxDescent(font));
928 // This is nicer with box insets:
932 row.ascent_of_text(maxasc);
935 if (row.pos() == 0) {
936 BufferParams const & bufparams = bv()->buffer()->params();
937 // some parksips VERY EASY IMPLEMENTATION
938 if (bv()->buffer()->params().paragraph_separation
939 == BufferParams::PARSEP_SKIP
941 && ((layout->isParagraph() && pars_[pit].getDepth() == 0)
942 || (pars_[pit - 1].layout()->isParagraph()
943 && pars_[pit - 1].getDepth() == 0)))
945 maxasc += bufparams.getDefSkip().inPixels(*bv());
948 if (pars_[pit].params().startOfAppendix())
949 maxasc += int(3 * dh);
951 // This is special code for the chapter, since the label of this
952 // layout is printed in an extra row
953 if (layout->counter == "chapter" && bufparams.secnumdepth >= 0) {
954 labeladdon = int(font_metrics::maxHeight(labelfont)
955 * layout->spacing.getValue()
956 * spacing(pars_[pit]));
959 // special code for the top label
960 if ((layout->labeltype == LABEL_TOP_ENVIRONMENT
961 || layout->labeltype == LABEL_BIBLIO
962 || layout->labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
963 && isFirstInSequence(pit, paragraphs())
964 && !pars_[pit].getLabelstring().empty())
967 font_metrics::maxHeight(labelfont)
968 * layout->spacing.getValue()
969 * spacing(pars_[pit])
970 + (layout->topsep + layout->labelbottomsep) * dh);
973 // Add the layout spaces, for example before and after
974 // a section, or between the items of a itemize or enumerate
977 par_type prev = depthHook(pit, pars_, pars_[pit].getDepth());
979 && pars_[prev].layout() == layout
980 && pars_[prev].getDepth() == pars_[pit].getDepth()
981 && pars_[prev].getLabelWidthString() == pars_[pit].getLabelWidthString())
983 layoutasc = layout->itemsep * dh;
984 } else if (pit != 0 || row.pos() != 0) {
985 if (layout->topsep > 0)
986 layoutasc = layout->topsep * dh;
989 prev = outerHook(pit, pars_);
990 if (prev != par_type(pars_.size())) {
991 maxasc += int(pars_[prev].layout()->parsep * dh);
992 } else if (pit != 0) {
993 if (pars_[pit - 1].getDepth() != 0 ||
994 pars_[pit - 1].layout() == layout) {
995 maxasc += int(layout->parsep * dh);
1000 // is it a bottom line?
1001 if (row.endpos() >= pars_[pit].size()) {
1002 // add the layout spaces, for example before and after
1003 // a section, or between the items of a itemize or enumerate
1005 par_type nextpit = pit + 1;
1006 if (nextpit != par_type(pars_.size())) {
1007 par_type cpit = pit;
1011 if (pars_[cpit].getDepth() > pars_[nextpit].getDepth()) {
1012 usual = pars_[cpit].layout()->bottomsep * dh;
1013 cpit = depthHook(cpit, paragraphs(), pars_[nextpit].getDepth());
1014 if (pars_[cpit].layout() != pars_[nextpit].layout()
1015 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1017 unusual = pars_[cpit].layout()->bottomsep * dh;
1019 layoutdesc = max(unusual, usual);
1020 } else if (pars_[cpit].getDepth() == pars_[nextpit].getDepth()) {
1021 if (pars_[cpit].layout() != pars_[nextpit].layout()
1022 || pars_[nextpit].getLabelWidthString() != pars_[cpit].getLabelWidthString())
1023 layoutdesc = int(pars_[cpit].layout()->bottomsep * dh);
1028 // incalculate the layout spaces
1029 maxasc += int(layoutasc * 2 / (2 + pars_[pit].getDepth()));
1030 maxdesc += int(layoutdesc * 2 / (2 + pars_[pit].getDepth()));
1032 row.height(maxasc + maxdesc + labeladdon);
1033 row.baseline(maxasc + labeladdon);
1034 row.top_of_text(row.baseline() - font_metrics::maxAscent(font));
1038 void LyXText::breakParagraph(LCursor & cur, char keep_layout)
1040 BOOST_ASSERT(this == cur.text());
1041 // allow only if at start or end, or all previous is new text
1042 Paragraph & cpar = cur.paragraph();
1043 par_type cpit = cur.par();
1045 if (cur.pos() != 0 && cur.pos() != cur.lastpos()
1046 && cpar.isChangeEdited(0, cur.pos()))
1049 LyXTextClass const & tclass = cur.buffer().params().getLyXTextClass();
1050 LyXLayout_ptr const & layout = cpar.layout();
1052 // this is only allowed, if the current paragraph is not empty
1053 // or caption and if it has not the keepempty flag active
1054 if (cur.lastpos() == 0 && !cpar.allowEmpty()
1055 && layout->labeltype != LABEL_SENSITIVE)
1058 // a layout change may affect also the following paragraph
1059 recUndo(cur.par(), undoSpan(cur.par()) - 1);
1061 // Always break behind a space
1062 // It is better to erase the space (Dekel)
1063 if (cur.pos() != cur.lastpos() && cpar.isLineSeparator(cur.pos()))
1064 cpar.erase(cur.pos());
1066 // break the paragraph
1070 keep_layout = layout->isEnvironment();
1072 // we need to set this before we insert the paragraph. IMO the
1073 // breakParagraph call should return a bool if it inserts the
1074 // paragraph before or behind and we should react on that one
1075 // but we can fix this in 1.3.0 (Jug 20020509)
1076 bool const isempty = cpar.allowEmpty() && cpar.empty();
1077 ::breakParagraph(cur.buffer().params(), paragraphs(), cpit,
1078 cur.pos(), keep_layout);
1081 par_type next_par = cpit + 1;
1083 // well this is the caption hack since one caption is really enough
1084 if (layout->labeltype == LABEL_SENSITIVE) {
1086 // set to standard-layout
1087 pars_[cpit].applyLayout(tclass.defaultLayout());
1089 // set to standard-layout
1090 pars_[next_par].applyLayout(tclass.defaultLayout());
1093 // if the cursor is at the beginning of a row without prior newline,
1095 // This touches only the screen-update. Otherwise we would may have
1096 // an empty row on the screen
1097 if (cur.pos() != 0 && cur.textRow().pos() == cur.pos()
1098 && !pars_[cpit].isNewline(cur.pos() - 1))
1103 while (!pars_[next_par].empty() && pars_[next_par].isNewline(0))
1104 pars_[next_par].erase(0);
1107 redoParagraph(cpit);
1108 redoParagraph(next_par);
1110 // This check is necessary. Otherwise the new empty paragraph will
1111 // be deleted automatically. And it is more friendly for the user!
1112 if (cur.pos() != 0 || isempty)
1113 setCursor(cur, cur.par() + 1, 0);
1115 setCursor(cur, cur.par(), 0);
1119 // convenience function
1120 void LyXText::redoParagraph(LCursor & cur)
1122 BOOST_ASSERT(this == cur.text());
1123 cur.clearSelection();
1124 redoParagraph(cur.par());
1125 setCursorIntern(cur, cur.par(), cur.pos());
1129 // insert a character, moves all the following breaks in the
1130 // same Paragraph one to the right and make a rebreak
1131 void LyXText::insertChar(LCursor & cur, char c)
1133 BOOST_ASSERT(this == cur.text());
1134 BOOST_ASSERT(c != Paragraph::META_INSET);
1136 recordUndo(cur, Undo::INSERT);
1138 Paragraph & par = cur.paragraph();
1139 // try to remove this
1140 par_type pit = cur.par();
1142 bool const freeSpacing = par.layout()->free_spacing ||
1143 par.isFreeSpacing();
1145 if (lyxrc.auto_number) {
1146 static string const number_operators = "+-/*";
1147 static string const number_unary_operators = "+-";
1148 static string const number_seperators = ".,:";
1150 if (current_font.number() == LyXFont::ON) {
1151 if (!IsDigit(c) && !contains(number_operators, c) &&
1152 !(contains(number_seperators, c) &&
1154 cur.pos() != cur.lastpos() &&
1155 getFont(pit, cur.pos()).number() == LyXFont::ON &&
1156 getFont(pit, cur.pos() - 1).number() == LyXFont::ON)
1158 number(cur); // Set current_font.number to OFF
1159 } else if (IsDigit(c) &&
1160 real_current_font.isVisibleRightToLeft()) {
1161 number(cur); // Set current_font.number to ON
1163 if (cur.pos() != 0) {
1164 char const c = par.getChar(cur.pos() - 1);
1165 if (contains(number_unary_operators, c) &&
1167 || par.isSeparator(cur.pos() - 2)
1168 || par.isNewline(cur.pos() - 2))
1170 setCharFont(pit, cur.pos() - 1, current_font);
1171 } else if (contains(number_seperators, c)
1173 && getFont(pit, cur.pos() - 2).number() == LyXFont::ON) {
1174 setCharFont(pit, cur.pos() - 1, current_font);
1180 // First check, if there will be two blanks together or a blank at
1181 // the beginning of a paragraph.
1182 // I decided to handle blanks like normal characters, the main
1183 // difference are the special checks when calculating the row.fill
1184 // (blank does not count at the end of a row) and the check here
1186 // The bug is triggered when we type in a description environment:
1187 // The current_font is not changed when we go from label to main text
1188 // and it should (along with realtmpfont) when we type the space.
1189 // CHECK There is a bug here! (Asger)
1191 // store the current font. This is because of the use of cursor
1192 // movements. The moving cursor would refresh the current font
1193 LyXFont realtmpfont = real_current_font;
1194 LyXFont rawtmpfont = current_font;
1196 // When the free-spacing option is set for the current layout,
1197 // disable the double-space checking
1198 if (!freeSpacing && IsLineSeparatorChar(c)) {
1199 if (cur.pos() == 0) {
1200 static bool sent_space_message = false;
1201 if (!sent_space_message) {
1202 cur.message(_("You cannot insert a space at the "
1203 "beginning of a paragraph. Please read the Tutorial."));
1204 sent_space_message = true;
1208 BOOST_ASSERT(cur.pos() > 0);
1209 if (par.isLineSeparator(cur.pos() - 1)
1210 || par.isNewline(cur.pos() - 1)) {
1211 static bool sent_space_message = false;
1212 if (!sent_space_message) {
1213 cur.message(_("You cannot type two spaces this way. "
1214 "Please read the Tutorial."));
1215 sent_space_message = true;
1221 par.insertChar(cur.pos(), c, rawtmpfont);
1223 current_font = rawtmpfont;
1224 real_current_font = realtmpfont;
1226 setCursor(cur, cur.par(), cur.pos() + 1, false, cur.boundary());
1231 void LyXText::charInserted()
1233 // Here we call finishUndo for every 20 characters inserted.
1234 // This is from my experience how emacs does it. (Lgb)
1235 static unsigned int counter;
1245 RowMetrics LyXText::computeRowMetrics(par_type pit, Row const & row) const
1249 double w = width_ - row.width();
1251 bool const is_rtl = isRTL(pars_[pit]);
1253 result.x = rightMargin(pars_[pit]);
1255 result.x = leftMargin(pit, row.pos());
1257 // is there a manual margin with a manual label
1258 LyXLayout_ptr const & layout = pars_[pit].layout();
1260 if (layout->margintype == MARGIN_MANUAL
1261 && layout->labeltype == LABEL_MANUAL) {
1262 /// We might have real hfills in the label part
1263 int nlh = numberOfLabelHfills(pars_[pit], row);
1265 // A manual label par (e.g. List) has an auto-hfill
1266 // between the label text and the body of the
1268 // But we don't want to do this auto hfill if the par
1270 if (!pars_[pit].empty())
1273 if (nlh && !pars_[pit].getLabelWidthString().empty())
1274 result.label_hfill = labelFill(pit, row) / double(nlh);
1277 // are there any hfills in the row?
1278 int const nh = numberOfHfills(pars_[pit], row);
1282 result.hfill = w / nh;
1283 // we don't have to look at the alignment if it is ALIGN_LEFT and
1284 // if the row is already larger then the permitted width as then
1285 // we force the LEFT_ALIGN'edness!
1286 } else if (int(row.width()) < maxwidth_) {
1287 // is it block, flushleft or flushright?
1288 // set x how you need it
1290 if (pars_[pit].params().align() == LYX_ALIGN_LAYOUT)
1291 align = layout->align;
1293 align = pars_[pit].params().align();
1295 // Display-style insets should always be on a centred row
1296 // The test on pars_[pit].size() is to catch zero-size pars, which
1297 // would trigger the assert in Paragraph::getInset().
1298 //inset = pars_[pit].size() ? pars_[pit].getInset(row.pos()) : 0;
1299 if (!pars_[pit].empty()
1300 && pars_[pit].isInset(row.pos())
1301 && pars_[pit].getInset(row.pos())->display())
1303 align = LYX_ALIGN_CENTER;
1307 case LYX_ALIGN_BLOCK: {
1308 int const ns = numberOfSeparators(pars_[pit], row);
1309 bool disp_inset = false;
1310 if (row.endpos() < pars_[pit].size()) {
1311 InsetBase const * in = pars_[pit].getInset(row.endpos());
1313 disp_inset = in->display();
1315 // If we have separators, this is not the last row of a
1316 // par, does not end in newline, and is not row above a
1317 // display inset... then stretch it
1319 && row.endpos() < pars_[pit].size()
1320 && !pars_[pit].isNewline(row.endpos() - 1)
1323 result.separator = w / ns;
1324 } else if (is_rtl) {
1329 case LYX_ALIGN_RIGHT:
1332 case LYX_ALIGN_CENTER:
1338 bidi.computeTables(pars_[pit], *bv()->buffer(), row);
1340 pos_type body_pos = pars_[pit].beginOfBody();
1341 pos_type end = row.endpos();
1344 && (body_pos > end || !pars_[pit].isLineSeparator(body_pos - 1)))
1346 result.x += font_metrics::width(layout->labelsep, getLabelFont(pit));
1347 if (body_pos <= end)
1348 result.x += result.label_hfill;
1356 // the cursor set functions have a special mechanism. When they
1357 // realize, that you left an empty paragraph, they will delete it.
1359 void LyXText::cursorRightOneWord(LCursor & cur)
1361 BOOST_ASSERT(this == cur.text());
1362 if (cur.pos() == cur.lastpos() && cur.par() != cur.lastpar()) {
1366 // Skip through initial nonword stuff.
1367 // Treat floats and insets as words.
1368 while (cur.pos() != cur.lastpos() && !cur.paragraph().isWord(cur.pos()))
1370 // Advance through word.
1371 while (cur.pos() != cur.lastpos() && cur.paragraph().isWord(cur.pos()))
1374 setCursor(cur, cur.par(), cur.pos());
1378 void LyXText::cursorLeftOneWord(LCursor & cur)
1380 BOOST_ASSERT(this == cur.text());
1381 if (cur.pos() == 0 && cur.par() != 0) {
1383 cur.pos() = cur.lastpos();
1385 // Skip through initial nonword stuff.
1386 // Treat floats and insets as words.
1387 while (cur.pos() != 0 && !cur.paragraph().isWord(cur.pos() - 1))
1389 // Advance through word.
1390 while (cur.pos() != 0 && cur.paragraph().isWord(cur.pos() - 1))
1393 setCursor(cur, cur.par(), cur.pos());
1397 void LyXText::selectWord(LCursor & cur, word_location loc)
1399 BOOST_ASSERT(this == cur.text());
1400 CursorSlice from = cur.top();
1401 CursorSlice to = cur.top();
1402 getWord(from, to, loc);
1403 if (cur.top() != from)
1404 setCursor(cur, from.par(), from.pos());
1408 setCursor(cur, to.par(), to.pos());
1413 // Select the word currently under the cursor when no
1414 // selection is currently set
1415 bool LyXText::selectWordWhenUnderCursor(LCursor & cur, word_location loc)
1417 BOOST_ASSERT(this == cur.text());
1418 if (cur.selection())
1420 selectWord(cur, loc);
1421 return cur.selection();
1425 void LyXText::acceptChange(LCursor & cur)
1427 BOOST_ASSERT(this == cur.text());
1428 if (!cur.selection() && cur.lastpos() != 0)
1431 CursorSlice const & startc = cur.selBegin();
1432 CursorSlice const & endc = cur.selEnd();
1433 if (startc.par() == endc.par()) {
1434 recordUndoSelection(cur, Undo::INSERT);
1435 pars_[startc.par()].acceptChange(startc.pos(), endc.pos());
1437 cur.clearSelection();
1438 redoParagraph(startc.par());
1439 setCursorIntern(cur, startc.par(), 0);
1441 #ifdef WITH_WARNINGS
1442 #warning handle multi par selection
1447 void LyXText::rejectChange(LCursor & cur)
1449 BOOST_ASSERT(this == cur.text());
1450 if (!cur.selection() && cur.lastpos() != 0)
1453 CursorSlice const & startc = cur.selBegin();
1454 CursorSlice const & endc = cur.selEnd();
1455 if (startc.par() == endc.par()) {
1456 recordUndoSelection(cur, Undo::INSERT);
1457 pars_[startc.par()].rejectChange(startc.pos(), endc.pos());
1459 cur.clearSelection();
1460 redoParagraph(startc.par());
1461 setCursorIntern(cur, startc.par(), 0);
1463 #ifdef WITH_WARNINGS
1464 #warning handle multi par selection
1469 // Delete from cursor up to the end of the current or next word.
1470 void LyXText::deleteWordForward(LCursor & cur)
1472 BOOST_ASSERT(this == cur.text());
1473 if (cur.lastpos() == 0)
1477 cur.selection() = true;
1478 cursorRightOneWord(cur);
1480 cutSelection(cur, true, false);
1485 // Delete from cursor to start of current or prior word.
1486 void LyXText::deleteWordBackward(LCursor & cur)
1488 BOOST_ASSERT(this == cur.text());
1489 if (cur.lastpos() == 0)
1493 cur.selection() = true;
1494 cursorLeftOneWord(cur);
1496 cutSelection(cur, true, false);
1501 // Kill to end of line.
1502 void LyXText::deleteLineForward(LCursor & cur)
1504 BOOST_ASSERT(this == cur.text());
1505 if (cur.lastpos() == 0) {
1506 // Paragraph is empty, so we just go to the right
1510 cur.selection() = true; // to avoid deletion
1513 // What is this test for ??? (JMarc)
1514 if (!cur.selection())
1515 deleteWordForward(cur);
1517 cutSelection(cur, true, false);
1522 void LyXText::changeCase(LCursor & cur, LyXText::TextCase action)
1524 BOOST_ASSERT(this == cur.text());
1528 if (cur.selection()) {
1529 from = cur.selBegin();
1533 getWord(from, to, lyx::PARTIAL_WORD);
1534 setCursor(cur, to.par(), to.pos() + 1);
1537 recordUndoSelection(cur);
1539 pos_type pos = from.pos();
1540 int par = from.par();
1542 while (par != int(pars_.size()) && (pos != to.pos() || par != to.par())) {
1544 if (pos == pars_[pit].size()) {
1549 unsigned char c = pars_[pit].getChar(pos);
1550 if (c != Paragraph::META_INSET) {
1552 case text_lowercase:
1555 case text_capitalization:
1557 action = text_lowercase;
1559 case text_uppercase:
1564 #ifdef WITH_WARNINGS
1567 pars_[pit].setChar(pos, c);
1573 void LyXText::Delete(LCursor & cur)
1575 BOOST_ASSERT(this == cur.text());
1576 if (cur.pos() != cur.lastpos()) {
1577 recordUndo(cur, Undo::DELETE, cur.par());
1578 setCursorIntern(cur, cur.par(), cur.pos() + 1, false, cur.boundary());
1581 // should we do anything in an else branch?
1585 void LyXText::backspace(LCursor & cur)
1587 BOOST_ASSERT(this == cur.text());
1588 if (cur.pos() == 0) {
1589 // The cursor is at the beginning of a paragraph, so
1590 // the the backspace will collapse two paragraphs into
1593 // but it's not allowed unless it's new
1594 Paragraph & par = cur.paragraph();
1595 if (par.isChangeEdited(0, par.size()))
1598 // we may paste some paragraphs
1600 // is it an empty paragraph?
1601 pos_type lastpos = cur.lastpos();
1602 if (lastpos == 0 || (lastpos == 1 && par.isSeparator(0))) {
1603 // This is an empty paragraph and we delete it just
1604 // by moving the cursor one step
1605 // left and let the DeleteEmptyParagraphMechanism
1606 // handle the actual deletion of the paragraph.
1608 if (cur.par() != 0) {
1610 // the layout things can change the height of a row !
1617 recordUndo(cur, Undo::DELETE, cur.par() - 1);
1619 par_type tmppit = cur.par();
1620 // We used to do cursorLeftIntern() here, but it is
1621 // not a good idea since it triggers the auto-delete
1622 // mechanism. So we do a cursorLeftIntern()-lite,
1623 // without the dreaded mechanism. (JMarc)
1624 if (cur.par() != 0) {
1625 // steps into the above paragraph.
1626 setCursorIntern(cur, cur.par() - 1,
1627 pars_[cur.par() - 1].size(),
1631 // Pasting is not allowed, if the paragraphs have different
1632 // layout. I think it is a real bug of all other
1633 // word processors to allow it. It confuses the user.
1634 // Correction: Pasting is always allowed with standard-layout
1635 Buffer & buf = cur.buffer();
1636 BufferParams const & bufparams = buf.params();
1637 LyXTextClass const & tclass = bufparams.getLyXTextClass();
1638 par_type const cpit = cur.par();
1641 && (pars_[cpit].layout() == pars_[tmppit].layout()
1642 || pars_[tmppit].layout() == tclass.defaultLayout())
1643 && pars_[cpit].getAlign() == pars_[tmppit].getAlign()) {
1644 mergeParagraph(bufparams, buf.paragraphs(), cpit);
1646 if (cur.pos() != 0 && pars_[cpit].isSeparator(cur.pos() - 1))
1649 // the counters may have changed
1651 setCursor(cur, cur.par(), cur.pos(), false);
1654 // this is the code for a normal backspace, not pasting
1656 recordUndo(cur, Undo::DELETE);
1657 // We used to do cursorLeftIntern() here, but it is
1658 // not a good idea since it triggers the auto-delete
1659 // mechanism. So we do a cursorLeftIntern()-lite,
1660 // without the dreaded mechanism. (JMarc)
1661 setCursorIntern(cur, cur.par(), cur.pos() - 1,
1662 false, cur.boundary());
1663 cur.paragraph().erase(cur.pos());
1666 if (cur.pos() == cur.lastpos())
1667 setCurrentFont(cur);
1670 setCursor(cur, cur.par(), cur.pos(), false, cur.boundary());
1674 Paragraph & LyXText::getPar(par_type par) const
1676 //lyxerr << "getPar: " << par << " from " << paragraphs().size() << endl;
1677 BOOST_ASSERT(par >= 0);
1678 BOOST_ASSERT(par < int(paragraphs().size()));
1679 return paragraphs()[par];
1683 // y is relative to this LyXText's top
1684 Row const & LyXText::getRowNearY(int y, par_type & pit) const
1686 BOOST_ASSERT(!paragraphs().empty());
1687 BOOST_ASSERT(!paragraphs().begin()->rows.empty());
1688 par_type const pend = paragraphs().size() - 1;
1690 while (int(pars_[pit].y + pars_[pit].height) < y && pit != pend)
1693 RowList::iterator rit = pars_[pit].rows.end();
1694 RowList::iterator const rbegin = pars_[pit].rows.begin();
1697 } while (rit != rbegin && int(pars_[pit].y + rit->y_offset()) > y);
1703 Row const & LyXText::firstRow() const
1705 return *paragraphs().front().rows.begin();
1709 void LyXText::redoParagraphInternal(par_type pit)
1711 // remove rows of paragraph, keep track of height changes
1712 height_ -= pars_[pit].height;
1715 pars_[pit].rows.clear();
1716 pars_[pit].height = 0;
1717 pars_[pit].width = 0;
1720 InsetList::iterator ii = pars_[pit].insetlist.begin();
1721 InsetList::iterator iend = pars_[pit].insetlist.end();
1722 for (; ii != iend; ++ii) {
1724 int const w = maxwidth_ - leftMargin(pit) - rightMargin(pars_[pit]);
1725 MetricsInfo mi(bv(), getFont(pit, ii->pos), w);
1726 ii->inset->metrics(mi, dim);
1729 // rebreak the paragraph
1730 pars_[pit].setBeginOfBody();
1734 rowBreakPoint(pit, row);
1735 setRowWidth(pit, row);
1736 setHeightOfRow(pit, row);
1737 row.y_offset(pars_[pit].height);
1738 pars_[pit].rows.push_back(row);
1739 pars_[pit].width = std::max(pars_[pit].width, row.width());
1740 pars_[pit].height += row.height();
1742 } while (z < pars_[pit].size());
1744 height_ += pars_[pit].height;
1745 //lyxerr << "redoParagraph: " << pars_[pit].rows.size() << " rows\n";
1749 void LyXText::redoParagraphs(par_type pit, par_type end)
1751 for (; pit != end; ++pit)
1752 redoParagraphInternal(pit);
1753 updateParPositions();
1758 void LyXText::redoParagraph(par_type pit)
1760 redoParagraphInternal(pit);
1761 updateParPositions();
1765 void LyXText::fullRebreak()
1767 redoParagraphs(0, paragraphs().size());
1768 bv()->cursor().resetAnchor();
1772 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
1774 //BOOST_ASSERT(mi.base.textwidth);
1775 if (mi.base.textwidth)
1776 maxwidth_ = mi.base.textwidth;
1777 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth
1778 //<< " maxWidth: " << maxwidth << "\nfont: " << mi.base.font
1781 // Rebuild row cache. This recomputes height as well.
1782 redoParagraphs(0, paragraphs().size());
1784 width_ = maxParagraphWidth(paragraphs());
1787 dim.asc = firstRow().ascent_of_text();
1788 dim.des = height_ - dim.asc;
1793 // only used for inset right now. should also be used for main text
1794 void LyXText::draw(PainterInfo & pi, int x, int y) const
1798 paintTextInset(*this, pi);
1802 // only used for inset right now. should also be used for main text
1803 void LyXText::drawSelection(PainterInfo &, int, int) const
1805 //lyxerr << "LyXText::drawSelection at " << x << " " << y << endl;
1809 bool LyXText::isLastRow(par_type pit, Row const & row) const
1811 return row.endpos() >= pars_[pit].size()
1812 && pit + 1 == par_type(paragraphs().size());
1816 bool LyXText::isFirstRow(par_type pit, Row const & row) const
1818 return row.pos() == 0 && pit == 0;
1822 void LyXText::getWord(CursorSlice & from, CursorSlice & to,
1823 word_location const loc)
1825 Paragraph const & from_par = pars_[from.par()];
1827 case lyx::WHOLE_WORD_STRICT:
1828 if (from.pos() == 0 || from.pos() == from_par.size()
1829 || !from_par.isWord(from.pos())
1830 || !from_par.isWord(from.pos() - 1)) {
1834 // no break here, we go to the next
1836 case lyx::WHOLE_WORD:
1837 // If we are already at the beginning of a word, do nothing
1838 if (!from.pos() || !from_par.isWord(from.pos() - 1))
1840 // no break here, we go to the next
1842 case lyx::PREVIOUS_WORD:
1843 // always move the cursor to the beginning of previous word
1844 while (from.pos() && from_par.isWord(from.pos() - 1))
1847 case lyx::NEXT_WORD:
1848 lyxerr << "LyXText::getWord: NEXT_WORD not implemented yet"
1851 case lyx::PARTIAL_WORD:
1852 // no need to move the 'from' cursor
1856 Paragraph & to_par = pars_[to.par()];
1857 while (to.pos() < to_par.size() && to_par.isWord(to.pos()))
1862 void LyXText::write(Buffer const & buf, std::ostream & os) const
1864 ParagraphList::const_iterator pit = paragraphs().begin();
1865 ParagraphList::const_iterator end = paragraphs().end();
1866 Paragraph::depth_type dth = 0;
1867 for (; pit != end; ++pit)
1868 pit->write(buf, os, buf.params(), dth);
1872 bool LyXText::read(Buffer const & buf, LyXLex & lex)
1874 static Change current_change;
1876 Paragraph::depth_type depth = 0;
1878 while (lex.isOK()) {
1880 string const token = lex.getString();
1885 if (token == "\\end_inset") {
1889 if (token == "\\end_document") {
1896 if (token == "\\begin_layout") {
1897 lex.pushToken(token);
1900 par.params().depth(depth);
1901 if (buf.params().tracking_changes)
1903 par.setFont(0, LyXFont(LyXFont::ALL_INHERIT, buf.params().language));
1904 pars_.push_back(par);
1906 // FIXME: goddamn InsetTabular makes us pass a Buffer
1908 ::readParagraph(buf, pars_.back(), lex);
1910 } else if (token == "\\begin_deeper") {
1912 } else if (token == "\\end_deeper") {
1914 lex.printError("\\end_deeper: " "depth is already null");
1927 int LyXText::ascent() const
1929 return firstRow().ascent_of_text();
1933 int LyXText::descent() const
1935 return height_ - firstRow().ascent_of_text();
1939 int LyXText::cursorX(CursorSlice const & cur) const
1941 par_type pit = cur.par();
1942 if (pars_[pit].rows.empty())
1945 Row const & row = *pars_[pit].getRow(cur.pos());
1947 pos_type pos = cur.pos();
1948 pos_type cursor_vpos = 0;
1950 RowMetrics const m = computeRowMetrics(pit, row);
1953 pos_type const row_pos = row.pos();
1954 pos_type const end = row.endpos();
1957 cursor_vpos = row_pos;
1958 else if (pos >= end)
1959 cursor_vpos = isRTL(pars_[pit]) ? row_pos : end;
1960 else if (pos > row_pos && pos >= end)
1961 // Place cursor after char at (logical) position pos - 1
1962 cursor_vpos = (bidi.level(pos - 1) % 2 == 0)
1963 ? bidi.log2vis(pos - 1) + 1 : bidi.log2vis(pos - 1);
1965 // Place cursor before char at (logical) position pos
1966 cursor_vpos = (bidi.level(pos) % 2 == 0)
1967 ? bidi.log2vis(pos) : bidi.log2vis(pos) + 1;
1969 pos_type body_pos = pars_[pit].beginOfBody();
1971 (body_pos > end || !pars_[pit].isLineSeparator(body_pos - 1)))
1974 for (pos_type vpos = row_pos; vpos < cursor_vpos; ++vpos) {
1975 pos_type pos = bidi.vis2log(vpos);
1976 if (body_pos > 0 && pos == body_pos - 1) {
1978 + font_metrics::width(pars_[pit].layout()->labelsep,
1980 if (pars_[pit].isLineSeparator(body_pos - 1))
1981 x -= singleWidth(pit, body_pos - 1);
1984 if (hfillExpansion(pars_[pit], row, pos)) {
1985 x += singleWidth(pit, pos);
1986 if (pos >= body_pos)
1990 } else if (pars_[pit].isSeparator(pos)) {
1991 x += singleWidth(pit, pos);
1992 if (pos >= body_pos)
1995 x += singleWidth(pit, pos);
1997 return xo_ + int(x);
2001 int LyXText::cursorY(CursorSlice const & cur) const
2003 Paragraph const & par = getPar(cur.par());
2004 Row const & row = *par.getRow(cur.pos());
2005 return yo_ + par.y + row.y_offset() + row.baseline();
2009 // Returns the current font and depth as a message.
2010 string LyXText::currentState(LCursor & cur)
2012 BOOST_ASSERT(this == cur.text());
2013 Buffer & buf = cur.buffer();
2014 Paragraph const & par = cur.paragraph();
2015 std::ostringstream os;
2017 bool const show_change = buf.params().tracking_changes
2018 && cur.pos() != cur.lastpos()
2019 && par.lookupChange(cur.pos()) != Change::UNCHANGED;
2022 Change change = par.lookupChangeFull(cur.pos());
2023 Author const & a = buf.params().authors().get(change.author);
2024 os << _("Change: ") << a.name();
2025 if (!a.email().empty())
2026 os << " (" << a.email() << ")";
2027 if (change.changetime)
2028 os << _(" at ") << ctime(&change.changetime);
2032 // I think we should only show changes from the default
2034 LyXFont font = real_current_font;
2035 font.reduce(buf.params().getLyXTextClass().defaultfont());
2037 // avoid _(...) re-entrance problem
2038 string const s = font.stateText(&buf.params());
2039 os << bformat(_("Font: %1$s"), s);
2041 // os << bformat(_("Font: %1$s"), font.stateText(&buf.params));
2043 // The paragraph depth
2044 int depth = cur.paragraph().getDepth();
2046 os << bformat(_(", Depth: %1$s"), tostr(depth));
2048 // The paragraph spacing, but only if different from
2050 Spacing const & spacing = par.params().spacing();
2051 if (!spacing.isDefault()) {
2052 os << _(", Spacing: ");
2053 switch (spacing.getSpace()) {
2054 case Spacing::Single:
2057 case Spacing::Onehalf:
2060 case Spacing::Double:
2063 case Spacing::Other:
2064 os << _("Other (") << spacing.getValue() << ')';
2066 case Spacing::Default:
2067 // should never happen, do nothing
2072 #ifdef DEVEL_VERSION
2073 os << _(", Inset: ") << &cur.inset();
2074 os << _(", Paragraph: ") << cur.par();
2075 os << _(", Id: ") << par.id();
2076 os << _(", Position: ") << cur.pos();
2077 Row & row = cur.textRow();
2078 os << bformat(_(", Row b:%1$d e:%2$d"), row.pos(), row.endpos());
2084 string LyXText::getPossibleLabel(LCursor & cur) const
2086 par_type pit = cur.par();
2088 LyXLayout_ptr layout = pars_[pit].layout();
2090 if (layout->latextype == LATEX_PARAGRAPH && pit != 0) {
2091 LyXLayout_ptr const & layout2 = pars_[pit - 1].layout();
2092 if (layout2->latextype != LATEX_PARAGRAPH) {
2098 string text = layout->latexname().substr(0, 3);
2099 if (layout->latexname() == "theorem")
2100 text = "thm"; // Create a correct prefix for prettyref
2103 if (layout->latextype == LATEX_PARAGRAPH || lyxrc.label_init_length < 0)
2106 string par_text = pars_[pit].asString(cur.buffer(), false);
2107 for (int i = 0; i < lyxrc.label_init_length; ++i) {
2108 if (par_text.empty())
2111 par_text = split(par_text, head, ' ');
2112 // Is it legal to use spaces in labels ?
2122 // Manhattan distance to nearest corner
2123 int LyXText::dist(int x, int y) const
2130 else if (x > xo_ + int(width_))
2131 xx = x - xo_ - width_;
2133 if (y < yo_ - ascent())
2134 yy = yo_ - ascent() - y;
2135 else if (y > yo_ + descent())
2136 yy = y - yo_ - descent();