2 * \file InsetMathHull.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathHull.h"
15 #include "InsetMathChar.h"
16 #include "InsetMathColor.h"
17 #include "InsetMathFrac.h"
18 #include "InsetMathGrid.h"
19 #include "InsetMathNest.h"
20 #include "InsetMathScript.h"
21 #include "MathExtern.h"
22 #include "MathFactory.h"
23 #include "MathStream.h"
24 #include "MathSupport.h"
27 #include "BufferParams.h"
28 #include "BufferView.h"
30 #include "CutAndPaste.h"
33 #include "FuncRequest.h"
34 #include "FuncStatus.h"
36 #include "LaTeXFeatures.h"
38 #include "MacroTable.h"
39 #include "MathMacro.h"
40 #include "MathMacroTemplate.h"
41 #include "MetricsInfo.h"
42 #include "output_xhtml.h"
43 #include "Paragraph.h"
44 #include "ParIterator.h"
47 #include "TextClass.h"
48 #include "TextPainter.h"
49 #include "TocBackend.h"
51 #include "insets/InsetLabel.h"
52 #include "insets/InsetRef.h"
53 #include "insets/RenderPreview.h"
55 #include "graphics/GraphicsImage.h"
56 #include "graphics/PreviewImage.h"
57 #include "graphics/PreviewLoader.h"
59 #include "frontends/alert.h"
60 #include "frontends/Painter.h"
62 #include "support/convert.h"
63 #include "support/debug.h"
64 #include "support/gettext.h"
65 #include "support/filetools.h"
66 #include "support/lassert.h"
67 #include "support/lstrings.h"
68 #include "support/RefChanger.h"
73 using namespace lyx::support;
77 using cap::grabAndEraseSelection;
78 using cap::reduceSelectionToOneCell;
82 int getCols(HullType type)
107 // returns position of first relation operator in the array
108 // used for "intelligent splitting"
109 size_t firstRelOp(MathData const & ar)
111 for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
112 if ((*it)->isMathRel())
113 return it - ar.begin();
118 char const * star(bool numbered)
120 return numbered ? "" : "*";
124 } // end anon namespace
127 HullType hullType(docstring const & s)
129 if (s == "none") return hullNone;
130 if (s == "simple") return hullSimple;
131 if (s == "equation") return hullEquation;
132 if (s == "eqnarray") return hullEqnArray;
133 if (s == "align") return hullAlign;
134 if (s == "alignat") return hullAlignAt;
135 if (s == "xalignat") return hullXAlignAt;
136 if (s == "xxalignat") return hullXXAlignAt;
137 if (s == "multline") return hullMultline;
138 if (s == "gather") return hullGather;
139 if (s == "flalign") return hullFlAlign;
140 if (s == "regexp") return hullRegexp;
141 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
146 docstring hullName(HullType type)
149 case hullNone: return from_ascii("none");
150 case hullSimple: return from_ascii("simple");
151 case hullEquation: return from_ascii("equation");
152 case hullEqnArray: return from_ascii("eqnarray");
153 case hullAlign: return from_ascii("align");
154 case hullAlignAt: return from_ascii("alignat");
155 case hullXAlignAt: return from_ascii("xalignat");
156 case hullXXAlignAt: return from_ascii("xxalignat");
157 case hullMultline: return from_ascii("multline");
158 case hullGather: return from_ascii("gather");
159 case hullFlAlign: return from_ascii("flalign");
160 case hullRegexp: return from_ascii("regexp");
162 lyxerr << "unknown hull type" << endl;
165 return from_ascii("none");
168 static InsetLabel * dummy_pointer = 0;
170 InsetMathHull::InsetMathHull(Buffer * buf)
171 : InsetMathGrid(buf, 1, 1), type_(hullNone), numbered_(1, NUMBER),
172 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
173 preview_(new RenderPreview(this))
175 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
176 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
177 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
178 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
185 InsetMathHull::InsetMathHull(Buffer * buf, HullType type)
186 : InsetMathGrid(buf, getCols(type), 1), type_(type), numbered_(1, NUMBER),
187 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
188 preview_(new RenderPreview(this))
196 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid(other)
202 InsetMathHull::~InsetMathHull()
204 for (size_t i = 0; i < label_.size(); ++i)
209 Inset * InsetMathHull::clone() const
211 return new InsetMathHull(*this);
215 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
219 InsetMathGrid::operator=(other);
221 numbered_ = other.numbered_;
222 numbers_ = other.numbers_;
223 buffer_ = other.buffer_;
224 for (size_t i = 0; i < label_.size(); ++i)
226 label_ = other.label_;
227 for (size_t i = 0; i != label_.size(); ++i) {
229 label_[i] = new InsetLabel(*label_[i]);
231 preview_.reset(new RenderPreview(*other.preview_, this));
237 void InsetMathHull::setBuffer(Buffer & buffer)
239 InsetMathGrid::setBuffer(buffer);
241 for (size_t i = 0; i != label_.size(); ++i) {
243 label_[i]->setBuffer(buffer);
248 // FIXME This should really be controlled by the TOC level, or
249 // something of the sort.
251 const char * counters_to_save[] = {"section", "chapter"};
252 unsigned int const numcnts = sizeof(counters_to_save)/sizeof(char *);
256 void InsetMathHull::updateBuffer(ParIterator const & it, UpdateType utype)
259 //FIXME: buffer_ should be set at creation for this inset! Problem is
260 // This inset is created at too many places (see Parser::parse1() in
265 // if any of the equations are numbered, then we want to save the values
266 // of some of the counters.
268 BufferParams const & bp = buffer_->params();
269 string const & lang = it->getParLanguage(bp)->code();
271 buffer_->masterBuffer()->params().documentClass().counters();
273 // right now, we only need to do this at export time
274 if (utype == OutputUpdate) {
275 for (size_t i = 0; i < numcnts; ++i) {
276 docstring const cnt = from_ascii(counters_to_save[i]);
277 if (cnts.hasCounter(cnt))
278 counter_map[cnt] = cnts.value(cnt);
282 // this has to be done separately
283 docstring const eqstr = from_ascii("equation");
284 if (cnts.hasCounter(eqstr)) {
285 if (utype == OutputUpdate)
286 counter_map[eqstr] = cnts.value(eqstr);
287 for (size_t i = 0; i != label_.size(); ++i) {
289 cnts.step(eqstr, utype);
290 numbers_[i] = cnts.theCounter(eqstr, lang);
292 numbers_[i] = empty_docstring();
298 for (size_t i = 0; i != label_.size(); ++i) {
300 label_[i]->updateBuffer(it, utype);
303 InsetMathGrid::updateBuffer(it, utype);
307 void InsetMathHull::addToToc(DocIterator const & pit, bool output_active,
308 UpdateType utype) const
311 //FIXME: buffer_ should be set at creation for this inset! Problem is
312 // This inset is created at too many places (see Parser::parse1() in
317 shared_ptr<Toc> toc = buffer().tocBackend().toc("equation");
319 for (row_type row = 0; row != nrows(); ++row) {
323 label_[row]->addToToc(pit, output_active, utype);
324 toc->push_back(TocItem(pit, 0, nicelabel(row), output_active));
329 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
331 if (previewState(&cur.bv())) {
335 return InsetMathNest::editXY(cur, x, y);
339 InsetMath::mode_type InsetMathHull::currentMode() const
343 return UNDECIDED_MODE;
345 // definitely math mode ...
365 bool InsetMathHull::idxFirst(Cursor & cur) const
373 bool InsetMathHull::idxLast(Cursor & cur) const
375 cur.idx() = nargs() - 1;
376 cur.pos() = cur.lastpos();
381 // FIXME: InsetMathGrid should be changed to let the real column alignment be
382 // given by a virtual method like displayColAlign, because the values produced
383 // by defaultColAlign can be invalidated by lfuns such as add-column. For the
384 // moment the values produced by defaultColAlign are not used, notably because
385 // alignment is not implemented in the LyXHTML output.
386 char InsetMathHull::defaultColAlign(col_type col)
388 return colAlign(type_, col);
392 char InsetMathHull::displayColAlign(idx_type idx) const
396 row_type const r = row(idx);
399 if (r == nrows() - 1)
410 return colAlign(type_, col(idx));
414 return InsetMathGrid::displayColAlign(idx);
418 int InsetMathHull::displayColSpace(col_type col) const
420 return colSpace(type_, col);
424 // FIXME: same comment as for defaultColAlign applies.
425 int InsetMathHull::defaultColSpace(col_type col)
427 return colSpace(type_, col);
431 string InsetMathHull::standardFont() const
437 return "lyxnochange";
444 ColorCode InsetMathHull::standardColor() const
449 return Color_foreground;
457 bool InsetMathHull::previewState(const BufferView *const bv) const
459 if (!editing(bv) && RenderPreview::previewMath()
460 && type_ != hullRegexp)
462 graphics::PreviewImage const * pimage =
463 preview_->getPreviewImage(bv->buffer());
464 return pimage && pimage->image();
471 static const int ERROR_FRAME_WIDTH = 2;
474 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
476 if (previewState(mi.base.bv)) {
477 preview_->metrics(mi, dim);
478 if (previewTooSmall(dim)) {
479 // preview image is too small
480 dim.wid += 2 * ERROR_FRAME_WIDTH;
481 dim.asc += 2 * ERROR_FRAME_WIDTH;
483 // insert a one pixel gap in front of the formula
486 dim.des += displayMargin();
488 // Cache the inset dimension.
489 setDimCache(mi, dim);
493 // FIXME: Changing the same object repeatedly is inefficient.
494 Changer dummy1 = mi.base.changeFontSet(standardFont());
495 Changer dummy2 = mi.base.changeStyle(display() ? LM_ST_DISPLAY : LM_ST_TEXT);
497 // let the cells adjust themselves
498 InsetMathGrid::metrics(mi, dim);
501 dim.asc += displayMargin();
502 dim.des += displayMargin();
505 if (numberedType()) {
506 Changer dummy = mi.base.changeFontSet("mathbf");
508 for (row_type row = 0; row < nrows(); ++row)
509 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
515 if (type_ == hullRegexp)
517 // make it at least as high as the current font
520 math_font_max_dim(mi.base.font, asc, des);
521 dim.asc = max(dim.asc, asc);
522 dim.des = max(dim.des, des);
523 // Cache the inset dimension.
524 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
525 setDimCache(mi, dim);
529 bool InsetMathHull::previewTooSmall(Dimension const & dim) const
531 return dim.width() <= 10 && dim.height() <= 10;
535 ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
537 BufferView const * const bv = pi.base.bv;
538 if (previewState(bv)) {
539 Dimension const dim = dimension(*pi.base.bv);
540 if (previewTooSmall(dim))
542 return graphics::PreviewLoader::backgroundColor();
548 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
550 Dimension const dim = dimension(*pi.base.bv);
551 if (previewTooSmall(dim)) {
552 pi.pain.fillRectangle(x, y - 2 * ERROR_FRAME_WIDTH,
553 dim.wid, dim.asc + dim.des, backgroundColor(pi));
556 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
557 dim.asc + dim.des - 1, pi.backgroundColor(this));
561 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
563 BufferView const * const bv = pi.base.bv;
564 Dimension const dim = dimension(*bv);
566 if (type_ == hullRegexp)
567 pi.pain.rectangle(x + 2, y - dim.ascent() + 1,
568 dim.width() - 3, dim.height() - 2, Color_regexpframe);
570 if (previewState(bv)) {
571 // Do not draw change tracking cue if taken care of by RowPainter
573 Changer dummy = make_change(pi.change_, Change(), !canPaintChange(*bv));
574 if (previewTooSmall(dim)) {
575 // we have an extra frame
576 preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
578 // one pixel gap in front
579 preview_->draw(pi, x + 1, y);
581 setPosCache(pi, x, y);
585 ColorCode color = pi.selected && lyxrc.use_system_colors
586 ? Color_selectiontext : standardColor();
587 bool const really_change_color = pi.base.font.color() == Color_none;
588 Changer dummy0 = pi.base.font.changeColor(color, really_change_color);
589 Changer dummy1 = pi.base.changeFontSet(standardFont());
590 Changer dummy2 = pi.base.changeStyle(display() ? LM_ST_DISPLAY : LM_ST_TEXT);
592 InsetMathGrid::draw(pi, x + 1, y);
594 if (numberedType()) {
595 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
596 for (row_type row = 0; row < nrows(); ++row) {
597 int const yy = y + rowinfo_[row].offset_;
598 Changer dummy = pi.base.changeFontSet("mathrm");
599 docstring const nl = nicelabel(row);
603 // drawing change line
604 if (canPaintChange(*bv))
605 pi.change_.paintCue(pi, x + 1, y + 1 - dim.asc,
606 x + dim.wid, y + dim.des);
607 setPosCache(pi, x, y);
611 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
614 InsetMathGrid::metricsT(mi, dim);
617 otexrowstream ots(os);
618 WriteStream wi(ots, false, true, WriteStream::wsDefault);
620 dim.wid = os.str().size();
627 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
630 InsetMathGrid::drawT(pain, x, y);
633 otexrowstream ots(os);
634 WriteStream wi(ots, false, true, WriteStream::wsDefault);
636 pain.draw(x, y, os.str().c_str());
641 static docstring latexString(InsetMathHull const & inset)
644 // This has to be static, because a preview snippet or a math
645 // macro containing math in text mode (such as $\text{$\phi$}$ or
646 // \newcommand{\xxx}{\text{$\phi$}}) gets processed twice. The
647 // first time as a whole, and the second time only the inner math.
648 // In this last case inset.buffer() would be invalid.
649 static Encoding const * encoding = 0;
650 if (inset.isBufferValid())
651 encoding = &(inset.buffer().params().encoding());
652 otexrowstream ots(ls);
653 WriteStream wi(ots, false, true, WriteStream::wsPreview, encoding);
659 void InsetMathHull::initUnicodeMath() const
661 // Trigger classification of the unicode symbols in this inset
662 docstring const dummy = latexString(*this);
666 void InsetMathHull::addPreview(DocIterator const & inset_pos,
667 graphics::PreviewLoader & /*ploader*/) const
669 if (RenderPreview::previewMath()) {
670 preparePreview(inset_pos);
675 void InsetMathHull::usedMacros(MathData const & md, DocIterator const & pos,
676 MacroNameSet & macros, MacroNameSet & defs) const
678 MacroNameSet::iterator const end = macros.end();
680 for (size_t i = 0; i < md.size(); ++i) {
681 MathMacro const * mi = md[i].nucleus()->asMacro();
682 MathMacroTemplate const * mt = md[i].nucleus()->asMacroTemplate();
683 InsetMathScript const * si = md[i].nucleus()->asScriptInset();
684 InsetMathFracBase const * fi = md[i].nucleus()->asFracBaseInset();
685 InsetMathGrid const * gi = md[i].nucleus()->asGridInset();
686 InsetMathNest const * ni = md[i].nucleus()->asNestInset();
688 // Look for macros in the arguments of this macro.
689 for (idx_type idx = 0; idx < mi->nargs(); ++idx)
690 usedMacros(mi->cell(idx), pos, macros, defs);
691 // Make sure this is a macro defined in the document
692 // (as we also spot the macros in the symbols file)
693 // or that we have not already accounted for it.
694 docstring const name = mi->name();
695 if (macros.find(name) == end)
698 // Look for macros in the definition of this macro.
699 MathData ar(pos.buffer());
700 MacroData const * data =
701 pos.buffer()->getMacro(name, pos, true);
703 odocstringstream macro_def;
704 data->write(macro_def, true);
706 defs.insert(macro_def.str());
707 asArray(data->definition(), ar);
709 usedMacros(ar, pos, macros, defs);
711 MathData ar(pos.buffer());
712 asArray(mt->definition(), ar);
713 usedMacros(ar, pos, macros, defs);
715 if (!si->nuc().empty())
716 usedMacros(si->nuc(), pos, macros, defs);
718 usedMacros(si->down(), pos, macros, defs);
720 usedMacros(si->up(), pos, macros, defs);
721 } else if (fi || gi) {
722 idx_type nidx = fi ? fi->nargs() : gi->nargs();
723 for (idx_type idx = 0; idx < nidx; ++idx)
724 usedMacros(fi ? fi->cell(idx) : gi->cell(idx),
727 usedMacros(ni->cell(0), pos, macros, defs);
733 void InsetMathHull::preparePreview(DocIterator const & pos,
734 bool forexport) const
736 // there is no need to do all the macro stuff if we're not
737 // actually going to generate the preview.
738 if (!RenderPreview::previewMath() && !forexport)
741 Buffer const * buffer = pos.buffer();
743 // collect macros at this position
745 buffer->listMacroNames(macros);
747 // collect definitions only for the macros used in this inset
749 for (idx_type idx = 0; idx < nargs(); ++idx)
750 usedMacros(cell(idx), pos, macros, defs);
752 MacroNameSet::iterator it = defs.begin();
753 MacroNameSet::iterator end = defs.end();
754 docstring macro_preamble;
755 for (; it != end; ++it)
756 macro_preamble.append(*it);
758 // set the font series and size for this snippet
759 DocIterator dit = pos.getInnerText();
760 Paragraph const & par = dit.paragraph();
761 Font font = par.getFontSettings(buffer->params(), dit.pos());
762 font.fontInfo().realize(par.layout().font);
763 string const lsize = font.latexSize();
766 if (font.fontInfo().series() == BOLD_SERIES) {
767 setfont += from_ascii("\\textbf{");
770 if (lsize != "normalsize" && !prefixIs(lsize, "error"))
771 setfont += from_ascii("\\" + lsize + '\n');
774 if (forexport && haveNumbers()) {
775 docstring eqstr = from_ascii("equation");
776 CounterMap::const_iterator it = counter_map.find(eqstr);
777 if (it != counter_map.end()) {
778 int num = it->second;
780 setcnt += from_ascii("\\setcounter{") + eqstr + '}' +
781 '{' + convert<docstring>(num) + '}' + '\n';
783 for (size_t i = 0; i != numcnts; ++i) {
784 docstring cnt = from_ascii(counters_to_save[i]);
785 it = counter_map.find(cnt);
786 if (it == counter_map.end())
788 int num = it->second;
790 setcnt += from_ascii("\\setcounter{") + cnt + '}' +
791 '{' + convert<docstring>(num) + '}';
794 docstring const snippet = macro_preamble + setfont + setcnt
795 + latexString(*this) + endfont;
796 LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
797 preview_->addPreview(snippet, *buffer, forexport);
801 void InsetMathHull::reloadPreview(DocIterator const & pos) const
804 preview_->startLoading(*pos.buffer());
808 void InsetMathHull::loadPreview(DocIterator const & pos) const
810 bool const forexport = true;
811 preparePreview(pos, forexport);
812 preview_->startLoading(*pos.buffer(), forexport);
816 bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
818 if (RenderPreview::previewMath()) {
820 cur.screenUpdateFlags(Update::Force);
826 docstring InsetMathHull::label(row_type row) const
828 LASSERT(row < nrows(), return docstring());
829 if (InsetLabel * il = label_[row])
830 return il->screenLabel();
835 void InsetMathHull::label(row_type row, docstring const & label)
837 //lyxerr << "setting label '" << label << "' for row " << row << endl;
841 label_[row] = dummy_pointer;
844 label_[row]->updateLabelAndRefs(label);
846 label_[row]->setParam("name", label);
850 InsetCommandParams p(LABEL_CODE);
852 label_[row] = new InsetLabel(buffer_, p);
854 label_[row]->setBuffer(buffer());
858 void InsetMathHull::numbered(row_type row, Numbered num)
860 numbered_[row] = num;
861 if (!numbered(row) && label_[row]) {
868 bool InsetMathHull::numbered(row_type row) const
870 return numbered_[row] == NUMBER;
874 bool InsetMathHull::ams() const
894 for (size_t row = 0; row < numbered_.size(); ++row)
895 if (numbered_[row] == NOTAG)
901 Inset::DisplayType InsetMathHull::display() const
924 bool InsetMathHull::numberedType() const
943 for (row_type row = 0; row < nrows(); ++row)
950 void InsetMathHull::validate(LaTeXFeatures & features) const
952 if (features.runparams().isLaTeX()) {
954 features.require("amsmath");
971 if (features.inDeletedInset() && !features.mustProvide("ct-dvipost"))
972 features.require("ct-tikz-math-sout");
976 features.require("color");
977 docstring frcol = from_utf8(lcolor.getLaTeXName(Color_regexpframe));
978 docstring bgcol = from_ascii("white");
979 features.addPreambleSnippet(
980 "\\newcommand{\\regexp}[1]{\\fcolorbox{"
982 + bgcol + "}{\\ensuremath{\\mathtt{#1}}}}");
983 features.addPreambleSnippet(
984 from_ascii("\\newcommand{\\endregexp}{}"));
988 // Validation is necessary only if not using AMS math.
989 // To be safe, we will always run mathedvalidate.
990 //if (features.amsstyle)
993 //features.binom = true;
994 } else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
995 // it would be better to do this elsewhere, but we can't validate in
996 // InsetMathMatrix and we have no way, outside MathExtern, to know if
997 // we even have any matrices.
998 features.addCSSSnippet(
999 "table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
1000 "table.matrix td{padding: 0.25px;}\n"
1001 "td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
1002 "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}");
1004 InsetMathGrid::validate(features);
1008 void InsetMathHull::header_write(WriteStream & os) const
1010 bool n = numberedType();
1019 if (cell(0).empty())
1024 if (os.strikeoutMath()) {
1025 os << "\\\\\\mbox{}\\\\\n"
1026 << "\\lyxmathsout{\\parbox{\\columnwidth}{";
1031 os << "\\begin{equation" << star(n) << "}\n";
1041 if (os.strikeoutMath()) {
1042 os << "\\\\\\mbox{}\\\\\n"
1043 << "\\lyxmathsout{\\parbox{\\columnwidth}{";
1047 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
1054 os << "\\begin{" << hullName(type_) << star(n) << '}'
1055 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1061 os << "\\begin{" << hullName(type_) << '}'
1062 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1072 os << "\\begin{unknown" << star(n) << "}\n";
1078 void InsetMathHull::footer_write(WriteStream & os) const
1080 bool n = numberedType();
1095 os << "\\end{equation" << star(n) << "}\n";
1098 if (os.strikeoutMath())
1109 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1110 if (os.strikeoutMath())
1118 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1124 os << "\\end{" << hullName(type_) << "}\n";
1128 // Only used as a heuristic to find the regexp termination, when searching in ignore-format mode
1129 os << "\\endregexp{}}";
1135 os << "\\end{unknown" << star(n) << "}\n";
1141 bool InsetMathHull::allowsTabularFeatures() const
1164 bool InsetMathHull::rowChangeOK() const
1167 type_ == hullEqnArray || type_ == hullAlign ||
1168 type_ == hullFlAlign || type_ == hullAlignAt ||
1169 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
1170 type_ == hullGather || type_ == hullMultline;
1174 bool InsetMathHull::colChangeOK() const
1177 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
1178 type_ == hullXAlignAt || type_ == hullXXAlignAt;
1182 void InsetMathHull::addRow(row_type row)
1187 bool numbered = numberedType();
1188 // Move the number and raw pointer, do not call label() (bug 7511)
1189 InsetLabel * label = dummy_pointer;
1190 docstring number = empty_docstring();
1191 if (type_ == hullMultline) {
1192 if (row + 1 == nrows()) {
1193 numbered_[row] = NONUMBER;
1194 swap(label, label_[row]);
1195 swap(number, numbers_[row]);
1200 numbered_.insert(numbered_.begin() + row + 1, numbered ? NUMBER : NONUMBER);
1201 numbers_.insert(numbers_.begin() + row + 1, number);
1202 label_.insert(label_.begin() + row + 1, label);
1203 InsetMathGrid::addRow(row);
1207 void InsetMathHull::swapRow(row_type row)
1211 if (row + 1 == nrows())
1213 swap(numbered_[row], numbered_[row + 1]);
1214 swap(numbers_[row], numbers_[row + 1]);
1215 swap(label_[row], label_[row + 1]);
1216 InsetMathGrid::swapRow(row);
1220 void InsetMathHull::delRow(row_type row)
1222 if (nrows() <= 1 || !rowChangeOK())
1224 if (row + 1 == nrows() && type_ == hullMultline) {
1225 swap(numbered_[row - 1], numbered_[row]);
1226 swap(numbers_[row - 1], numbers_[row]);
1227 swap(label_[row - 1], label_[row]);
1228 InsetMathGrid::delRow(row);
1231 InsetMathGrid::delRow(row);
1232 // The last dummy row has no number info nor a label.
1233 // Test nrows() + 1 because we have already erased the row.
1234 if (row == nrows() + 1)
1236 numbered_.erase(numbered_.begin() + row);
1237 numbers_.erase(numbers_.begin() + row);
1239 label_.erase(label_.begin() + row);
1243 void InsetMathHull::addCol(col_type col)
1247 InsetMathGrid::addCol(col);
1251 void InsetMathHull::delCol(col_type col)
1253 if (ncols() <= 1 || !colChangeOK())
1255 InsetMathGrid::delCol(col);
1259 docstring InsetMathHull::nicelabel(row_type row) const
1263 docstring const & val = numbers_[row];
1265 return '(' + val + ')';
1266 return '(' + val + ',' + label_[row]->screenLabel() + ')';
1270 void InsetMathHull::glueall(HullType type)
1273 for (idx_type i = 0; i < nargs(); ++i)
1275 InsetLabel * label = 0;
1276 if (type == hullEquation) {
1277 // preserve first non-empty label
1278 for (row_type row = 0; row < nrows(); ++row) {
1280 label = label_[row];
1286 *this = InsetMathHull(buffer_, hullSimple);
1293 void InsetMathHull::splitTo2Cols()
1295 LASSERT(ncols() == 1, return);
1296 InsetMathGrid::addCol(1);
1297 for (row_type row = 0; row < nrows(); ++row) {
1298 idx_type const i = 2 * row;
1299 pos_type pos = firstRelOp(cell(i));
1300 cell(i + 1) = MathData(buffer_, cell(i).begin() + pos, cell(i).end());
1301 cell(i).erase(pos, cell(i).size());
1306 void InsetMathHull::splitTo3Cols()
1308 LASSERT(ncols() < 3, return);
1311 InsetMathGrid::addCol(2);
1312 for (row_type row = 0; row < nrows(); ++row) {
1313 idx_type const i = 3 * row + 1;
1314 if (!cell(i).empty()) {
1315 cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
1316 cell(i).erase(1, cell(i).size());
1322 void InsetMathHull::changeCols(col_type cols)
1324 if (ncols() == cols)
1326 else if (ncols() < cols) {
1332 while (ncols() < cols)
1333 InsetMathGrid::addCol(ncols());
1339 for (row_type row = 0; row < nrows(); ++row) {
1340 idx_type const i = row * ncols();
1341 for (col_type col = cols; col < ncols(); ++col) {
1342 cell(i + cols - 1).append(cell(i + col));
1346 while (ncols() > cols) {
1347 InsetMathGrid::delCol(ncols() - 1);
1352 HullType InsetMathHull::getType() const
1358 void InsetMathHull::setType(HullType type)
1365 bool InsetMathHull::isMutable(HullType type)
1389 void InsetMathHull::mutate(HullType newtype)
1391 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
1393 if (newtype == type_)
1396 // This guards the algorithm below it, which is designed with certain types
1398 if (!isMutable(newtype) || !isMutable(type_)) {
1399 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1400 << "' to '" << to_utf8(hullName(newtype))
1401 << "' not implemented" << endl;
1405 // we try to move along the chain
1406 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
1408 // +-------------------------------------+
1409 // we use eqnarray as intermediate type for mutations that are not
1410 // directly supported because it handles labels and numbering for
1415 setType(hullSimple);
1421 if (newtype == hullNone) {
1425 setType(hullEquation);
1426 numbered(0, label_[0] ? true : false);
1435 setType(hullSimple);
1440 // split it "nicely" on the first relop
1442 setType(hullEqnArray);
1450 // split it "nicely"
1485 setType(hullEqnArray);
1494 for (row_type row = 0; row < nrows(); ++row)
1495 numbered(row, false);
1505 for (row_type row = 0; row < nrows(); ++row)
1506 numbered(row, false);
1513 setType(hullEqnArray);
1543 for (row_type row = 0; row < nrows(); ++row)
1544 numbered(row, false);
1548 // first we mutate to EqnArray
1550 setType(hullEqnArray);
1557 // we passed the guard so we should not be here
1558 LASSERT("Mutation not implemented, but should have been.", return);
1564 docstring InsetMathHull::eolString(row_type row, bool fragile, bool latex,
1565 bool last_eoln) const
1568 if (numberedType()) {
1569 if (label_[row] && numbered(row)) {
1570 docstring const name =
1571 latex ? escape(label_[row]->getParam("name"))
1572 : label_[row]->getParam("name");
1573 res += "\\label{" + name + '}';
1575 if (type_ != hullMultline) {
1576 if (numbered_[row] == NONUMBER)
1577 res += "\\nonumber ";
1578 else if (numbered_[row] == NOTAG)
1582 // Never add \\ on the last empty line of eqnarray and friends
1584 return res + InsetMathGrid::eolString(row, fragile, latex, last_eoln);
1587 void InsetMathHull::write(WriteStream & os) const
1589 ModeSpecifier specifier(os, MATH_MODE);
1591 InsetMathGrid::write(os);
1596 void InsetMathHull::normalize(NormalStream & os) const
1598 os << "[formula " << hullName(type_) << ' ';
1599 InsetMathGrid::normalize(os);
1604 void InsetMathHull::infoize(odocstream & os) const
1606 os << bformat(_("Type: %1$s"), hullName(type_));
1610 void InsetMathHull::check() const
1612 LATTEST(numbered_.size() == nrows());
1613 LATTEST(numbers_.size() == nrows());
1614 LATTEST(label_.size() == nrows());
1618 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1622 idocstringstream iss(func.argument());
1623 iss >> dlang >> extra;
1625 extra = from_ascii("noextra");
1626 string const lang = to_ascii(dlang);
1628 // replace selection with result of computation
1629 if (reduceSelectionToOneCell(cur)) {
1631 asArray(grabAndEraseSelection(cur), ar);
1632 lyxerr << "use selection: " << ar << endl;
1633 cur.insert(pipeThroughExtern(lang, extra, ar));
1637 // only inline, display or eqnarray math is allowed
1638 switch (getType()) {
1644 frontend::Alert::warning(_("Bad math environment"),
1645 _("Computation cannot be performed for AMS "
1646 "math environments.\nChange the math "
1647 "formula type and try again."));
1652 eq.push_back(MathAtom(new InsetMathChar('=')));
1654 // go to first item in line
1655 cur.idx() -= cur.idx() % ncols();
1658 if (getType() == hullSimple) {
1659 size_type pos = cur.cell().find_last(eq);
1661 if (pos == cur.cell().size()) {
1663 lyxerr << "use whole cell: " << ar << endl;
1665 ar = MathData(buffer_, cur.cell().begin() + pos + 1, cur.cell().end());
1666 lyxerr << "use partial cell form pos: " << pos << endl;
1668 cur.cell().append(eq);
1669 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1670 cur.pos() = cur.lastpos();
1674 if (getType() == hullEquation) {
1675 lyxerr << "use equation inset" << endl;
1676 mutate(hullEqnArray);
1677 MathData & ar = cur.cell();
1678 lyxerr << "use cell: " << ar << endl;
1682 cur.cell() = pipeThroughExtern(lang, extra, ar);
1683 // move to end of line
1684 cur.pos() = cur.lastpos();
1689 lyxerr << "use eqnarray" << endl;
1690 cur.idx() += 2 - cur.idx() % ncols();
1692 MathData ar = cur.cell();
1693 lyxerr << "use cell: " << ar << endl;
1694 // FIXME: temporarily disabled
1700 cur.cell() = pipeThroughExtern(lang, extra, ar);
1701 cur.pos() = cur.lastpos();
1706 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1708 //lyxerr << "action: " << cmd.action() << endl;
1709 switch (cmd.action()) {
1711 case LFUN_FINISHED_BACKWARD:
1712 case LFUN_FINISHED_FORWARD:
1713 case LFUN_FINISHED_RIGHT:
1714 case LFUN_FINISHED_LEFT:
1715 //lyxerr << "action: " << cmd.action() << endl;
1716 InsetMathGrid::doDispatch(cur, cmd);
1719 case LFUN_PARAGRAPH_BREAK:
1720 // just swallow this
1723 case LFUN_NEWLINE_INSERT:
1724 // some magic for the common case
1725 if (type_ == hullSimple || type_ == hullEquation) {
1726 cur.recordUndoInset();
1728 cur.bv().buffer().params().use_package("amsmath") != BufferParams::package_off;
1729 mutate(align ? hullAlign : hullEqnArray);
1730 // mutate() may change labels and such.
1731 cur.forceBufferUpdate();
1732 cur.idx() = nrows() * ncols() - 1;
1733 cur.pos() = cur.lastpos();
1735 InsetMathGrid::doDispatch(cur, cmd);
1738 case LFUN_MATH_NUMBER_TOGGLE: {
1739 //lyxerr << "toggling all numbers" << endl;
1740 cur.recordUndoInset();
1741 bool old = numberedType();
1742 if (type_ == hullMultline)
1743 numbered(nrows() - 1, !old);
1745 for (row_type row = 0; row < nrows(); ++row)
1746 numbered(row, !old);
1748 cur.message(old ? _("No number") : _("Number"));
1749 cur.forceBufferUpdate();
1753 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1754 cur.recordUndoInset();
1755 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1756 bool old = numbered(r);
1757 cur.message(old ? _("No number") : _("Number"));
1759 cur.forceBufferUpdate();
1763 case LFUN_LABEL_INSERT: {
1764 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1765 docstring old_label = label(r);
1766 docstring const default_label = from_ascii("eq:");
1767 if (old_label.empty())
1768 old_label = default_label;
1770 InsetCommandParams p(LABEL_CODE);
1771 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1772 string const data = InsetCommand::params2string(p);
1774 if (cmd.argument().empty())
1775 cur.bv().showDialog("label", data);
1777 FuncRequest fr(LFUN_INSET_INSERT, data);
1783 case LFUN_LABEL_COPY_AS_REFERENCE: {
1785 if (cmd.argument().empty() && &cur.inset() == this)
1786 // if there is no argument and we're inside math, we retrieve
1787 // the row number from the cursor position.
1788 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1790 // if there is an argument, find the corresponding label, else
1791 // check whether there is at least one label.
1792 for (row = 0; row != nrows(); ++row)
1793 if (numbered(row) && label_[row]
1794 && (cmd.argument().empty() || label(row) == cmd.argument()))
1801 InsetCommandParams p(REF_CODE, "ref");
1802 p["reference"] = label(row);
1803 cap::clearSelection();
1804 cap::copyInset(cur, new InsetRef(buffer_, p), label(row));
1808 case LFUN_WORD_DELETE_FORWARD:
1809 case LFUN_CHAR_DELETE_FORWARD:
1810 if (col(cur.idx()) + 1 == ncols()
1811 && cur.pos() == cur.lastpos()
1812 && !cur.selection()) {
1813 if (!label(row(cur.idx())).empty()) {
1814 cur.recordUndoInset();
1815 label(row(cur.idx()), docstring());
1816 } else if (numbered(row(cur.idx()))) {
1817 cur.recordUndoInset();
1818 numbered(row(cur.idx()), false);
1819 cur.forceBufferUpdate();
1821 InsetMathGrid::doDispatch(cur, cmd);
1825 InsetMathGrid::doDispatch(cur, cmd);
1830 case LFUN_INSET_INSERT: {
1831 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1832 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1833 string const name = cmd.getArg(0);
1834 if (name == "label") {
1835 InsetCommandParams p(LABEL_CODE);
1836 InsetCommand::string2params(to_utf8(cmd.argument()), p);
1837 docstring str = p["name"];
1838 cur.recordUndoInset();
1839 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1843 docstring old = label(r);
1846 // The label will take care of the reference update.
1850 // Newly created inset so initialize it.
1851 label_[r]->initView();
1854 cur.forceBufferUpdate();
1857 InsetMathGrid::doDispatch(cur, cmd);
1861 case LFUN_MATH_EXTERN:
1862 cur.recordUndoInset();
1866 case LFUN_MATH_MUTATE: {
1867 cur.recordUndoInset();
1868 row_type row = cur.row();
1869 col_type col = cur.col();
1870 mutate(hullType(cmd.argument()));
1871 cur.idx() = row * ncols() + col;
1872 if (cur.idx() > cur.lastidx()) {
1873 cur.idx() = cur.lastidx();
1874 cur.pos() = cur.lastpos();
1876 if (cur.pos() > cur.lastpos())
1877 cur.pos() = cur.lastpos();
1879 cur.forceBufferUpdate();
1880 // FIXME: find some more clever handling of the selection,
1881 // i.e. preserve it.
1882 cur.clearSelection();
1883 //cur.dispatched(FINISHED);
1887 case LFUN_MATH_DISPLAY: {
1888 cur.recordUndoInset();
1889 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1890 // if the cursor is in a cell that got merged, move it to
1891 // start of the hull inset.
1892 if (cur.idx() > 0) {
1896 if (cur.pos() > cur.lastpos())
1897 cur.pos() = cur.lastpos();
1902 case LFUN_TABULAR_FEATURE:
1903 if (!allowsTabularFeatures())
1906 InsetMathGrid::doDispatch(cur, cmd);
1910 InsetMathGrid::doDispatch(cur, cmd);
1918 bool allowDisplayMath(Cursor const & cur)
1920 LATTEST(cur.depth() > 1);
1921 Cursor tmpcur = cur;
1924 FuncRequest cmd(LFUN_MATH_DISPLAY);
1925 return tmpcur.getStatus(cmd, status) && status.enabled();
1931 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1932 FuncStatus & status) const
1934 switch (cmd.action()) {
1935 case LFUN_FINISHED_BACKWARD:
1936 case LFUN_FINISHED_FORWARD:
1937 case LFUN_FINISHED_RIGHT:
1938 case LFUN_FINISHED_LEFT:
1941 case LFUN_NEWLINE_INSERT:
1942 case LFUN_MATH_EXTERN:
1944 status.setEnabled(true);
1947 // we never allow this in math, and we want to bind enter
1948 // to another actions in command-alternatives
1949 case LFUN_PARAGRAPH_BREAK:
1950 status.setEnabled(false);
1952 case LFUN_MATH_MUTATE: {
1953 HullType const ht = hullType(cmd.argument());
1954 status.setOnOff(type_ == ht);
1955 status.setEnabled(isMutable(ht) && isMutable(type_));
1957 if (ht != hullSimple && status.enabled())
1958 status.setEnabled(allowDisplayMath(cur));
1961 case LFUN_MATH_DISPLAY: {
1962 status.setEnabled(display() != Inline || allowDisplayMath(cur));
1963 status.setOnOff(display() != Inline);
1967 case LFUN_MATH_NUMBER_TOGGLE:
1968 // FIXME: what is the right test, this or the one of
1970 status.setEnabled(display() != Inline);
1971 status.setOnOff(numberedType());
1974 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1975 // FIXME: what is the right test, this or the one of
1977 bool const enable = (type_ == hullMultline)
1978 ? (nrows() - 1 == cur.row())
1979 : display() != Inline;
1980 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1981 status.setEnabled(enable);
1982 status.setOnOff(enable && numbered(r));
1986 case LFUN_LABEL_INSERT:
1987 status.setEnabled(type_ != hullSimple);
1990 case LFUN_LABEL_COPY_AS_REFERENCE: {
1991 bool enabled = false;
1993 if (cmd.argument().empty() && &cur.inset() == this) {
1994 // if there is no argument and we're inside math, we retrieve
1995 // the row number from the cursor position.
1996 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1997 enabled = numberedType() && label_[row] && numbered(row);
1999 // if there is an argument, find the corresponding label, else
2000 // check whether there is at least one label.
2001 for (row_type row = 0; row != nrows(); ++row) {
2002 if (numbered(row) && label_[row] &&
2003 (cmd.argument().empty() || label(row) == cmd.argument())) {
2009 status.setEnabled(enabled);
2013 case LFUN_INSET_INSERT:
2014 if (cmd.getArg(0) == "label") {
2015 status.setEnabled(type_ != hullSimple);
2018 return InsetMathGrid::getStatus(cur, cmd, status);
2020 case LFUN_TABULAR_FEATURE: {
2021 if (!allowsTabularFeatures())
2023 string s = cmd.getArg(0);
2025 && (s == "append-row"
2026 || s == "delete-row"
2027 || s == "copy-row")) {
2028 status.message(bformat(
2029 from_utf8(N_("Can't change number of rows in '%1$s'")),
2031 status.setEnabled(false);
2035 && (s == "append-column"
2036 || s == "delete-column"
2037 || s == "copy-column")) {
2038 status.message(bformat(
2039 from_utf8(N_("Can't change number of columns in '%1$s'")),
2041 status.setEnabled(false);
2044 if (s == "add-vline-left" || s == "add-vline-right") {
2045 status.message(bformat(
2046 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
2048 status.setEnabled(false);
2051 if (s == "valign-top" || s == "valign-middle"
2052 || s == "valign-bottom" || s == "align-left"
2053 || s == "align-center" || s == "align-right") {
2054 status.setEnabled(false);
2057 return InsetMathGrid::getStatus(cur, cmd, status);
2061 return InsetMathGrid::getStatus(cur, cmd, status);
2064 // This cannot really happen, but inserted to shut-up gcc
2065 return InsetMathGrid::getStatus(cur, cmd, status);
2069 /////////////////////////////////////////////////////////////////////
2073 // simply scrap this function if you want
2074 void InsetMathHull::mutateToText()
2077 // translate to latex
2079 latex(os, false, false);
2080 string str = os.str();
2083 Text * lt = view_->cursor().innerText();
2084 string::const_iterator cit = str.begin();
2085 string::const_iterator end = str.end();
2086 for (; cit != end; ++cit)
2087 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
2090 //dispatch(LFUN_ESCAPE);
2095 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
2096 docstring const & font)
2098 // this whole function is a hack and won't work for incremental font
2101 if (cur.inset().asInsetMath()->name() == font)
2102 cur.handleFont(to_utf8(font));
2104 cur.handleNest(createInsetMath(font, cur.buffer()));
2110 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
2115 font.fromString(to_utf8(arg), b);
2116 if (font.fontInfo().color() != Color_inherit) {
2117 MathAtom at = MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color()));
2118 cur.handleNest(at, 0);
2123 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
2126 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
2127 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
2128 enter_front ? idxFirst(cur) : idxLast(cur);
2129 // The inset formula dimension is not necessarily the same as the
2130 // one of the instant preview image, so we have to indicate to the
2131 // BufferView that a metrics update is needed.
2132 cur.screenUpdateFlags(Update::Force);
2136 void InsetMathHull::revealCodes(Cursor & cur) const
2138 if (!cur.inMathed())
2140 odocstringstream os;
2142 cur.message(os.str());
2144 // write something to the minibuffer
2145 // translate to latex
2149 string str = os.str();
2151 string::size_type pos = 0;
2153 for (string::iterator it = str.begin(); it != str.end(); ++it) {
2156 else if (*it == '\0') {
2158 pos = it - str.begin();
2164 res = res.substr(pos - 30);
2165 if (res.size() > 60)
2166 res = res.substr(0, 60);
2172 /////////////////////////////////////////////////////////////////////
2176 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
2179 // FIXME: completely broken
2180 static InsetMathHull * lastformula = 0;
2181 static CursorBase current = DocIterator(ibegin(nucleus()));
2183 static string laststr;
2185 if (lastformula != this || laststr != str) {
2186 //lyxerr << "reset lastformula to " << this << endl;
2189 current = ibegin(nucleus());
2191 mathed_parse_cell(ar, str, Parse::NORMAL, &buffer());
2195 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
2197 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
2198 CursorSlice & top = it.back();
2199 MathData const & a = top.asInsetMath()->cell(top.idx_);
2200 if (a.matchpart(ar, top.pos_)) {
2201 bv->cursor().setSelection(it, ar.size());
2203 top.pos_ += ar.size();
2209 //lyxerr << "not found!" << endl;
2216 void InsetMathHull::write(ostream & os) const
2218 odocstringstream oss;
2219 otexrowstream ots(oss);
2220 WriteStream wi(ots, false, false, WriteStream::wsDefault);
2223 os << to_utf8(oss.str());
2227 void InsetMathHull::read(Lexer & lex)
2230 mathed_parse_normal(buffer_, at, lex, Parse::TRACKMACRO);
2231 operator=(*at->asHullInset());
2235 bool InsetMathHull::readQuiet(Lexer & lex)
2238 bool success = mathed_parse_normal(buffer_, at, lex, Parse::QUIET);
2240 operator=(*at->asHullInset());
2245 int InsetMathHull::plaintext(odocstringstream & os,
2246 OutputParams const & op, size_t max_length) const
2248 // disables ASCII-art for export of equations. See #2275.
2249 if (0 && display()) {
2253 TextPainter tpain(dim.width(), dim.height());
2254 drawT(tpain, 0, dim.ascent());
2256 // reset metrics cache to "real" values
2258 return tpain.textheight();
2261 odocstringstream oss;
2262 otexrowstream ots(oss);
2263 Encoding const * const enc = encodings.fromLyXName("utf8");
2264 WriteStream wi(ots, false, true, WriteStream::wsDefault, enc);
2267 if (type_ == hullRegexp)
2270 for (row_type r = 0; r < nrows(); ++r) {
2271 for (col_type c = 0; c < ncols(); ++c)
2272 wi << (c == 0 ? "" : "\t") << cell(index(r, c));
2273 // if it's for the TOC, we write just the first line
2274 // and do not include the newline.
2275 if (op.for_toc || op.for_tooltip || oss.str().size() >= max_length)
2277 if (r < nrows() - 1)
2281 docstring const str = oss.str();
2287 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
2292 if (getType() == hullSimple)
2293 name = from_ascii("inlineequation");
2295 name = from_ascii("informalequation");
2297 docstring bname = name;
2298 if (!label(0).empty())
2299 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
2301 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
2303 odocstringstream ls;
2305 if (runparams.flavor == OutputParams::XML) {
2306 ms << MTag("alt role='tex' ");
2307 // Workaround for db2latex: db2latex always includes equations with
2308 // \ensuremath{} or \begin{display}\end{display}
2309 // so we strip LyX' math environment
2310 WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
2311 InsetMathGrid::write(wi);
2312 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2317 InsetMathGrid::mathmlize(ms);
2320 ms << MTag("alt role='tex'");
2321 latex(ols, runparams);
2322 res = ols.texrow().rows();
2323 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2327 ms << from_ascii("<graphic fileref=\"eqn/");
2328 if (!label(0).empty())
2329 ms << sgml::cleanID(buffer(), runparams, label(0));
2331 ms << sgml::uniqueID(from_ascii("anon"));
2333 if (runparams.flavor == OutputParams::XML)
2334 ms << from_ascii("\"/>");
2336 ms << from_ascii("\">");
2338 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
2340 return ms.line() + res;
2344 bool InsetMathHull::haveNumbers() const
2346 bool havenumbers = false;
2347 // inline formulas are never numbered (bug 7351 part 3)
2348 if (getType() == hullSimple)
2350 for (size_t i = 0; i != numbered_.size(); ++i) {
2361 // We need to do something about alignment here.
2363 // This duplicates code from InsetMathGrid, but
2364 // we need access here to number information,
2365 // and we simply do not have that in InsetMathGrid.
2366 void InsetMathHull::htmlize(HtmlStream & os) const
2368 bool const havenumbers = haveNumbers();
2369 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2372 os << cell(index(0, 0));
2376 os << MTag("table", "class='mathtable'");
2377 for (row_type row = 0; row < nrows(); ++row) {
2379 for (col_type col = 0; col < ncols(); ++col) {
2381 os << cell(index(row, col));
2386 docstring const & num = numbers_[row];
2388 os << '(' << num << ')';
2393 os << ETag("table");
2397 // this duplicates code from InsetMathGrid, but
2398 // we need access here to number information,
2399 // and we simply do not have that in InsetMathGrid.
2400 void InsetMathHull::mathmlize(MathStream & os) const
2402 bool const havenumbers = haveNumbers();
2403 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2406 os << MTag("mtable");
2407 char const * const celltag = havetable ? "mtd" : "mrow";
2408 // FIXME There does not seem to be wide support at the moment
2409 // for mlabeledtr, so we have to use just mtr for now.
2410 // char const * const rowtag = havenumbers ? "mlabeledtr" : "mtr";
2411 char const * const rowtag = "mtr";
2412 for (row_type row = 0; row < nrows(); ++row) {
2415 for (col_type col = 0; col < ncols(); ++col) {
2417 << cell(index(row, col))
2423 docstring const & num = numbers_[row];
2425 os << '(' << num << ')';
2432 os << ETag("mtable");
2436 void InsetMathHull::mathAsLatex(WriteStream & os) const
2438 MathEnsurer ensurer(os, false);
2439 bool havenumbers = haveNumbers();
2440 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2443 os << cell(index(0, 0));
2447 os << "<table class='mathtable'>";
2448 for (row_type row = 0; row < nrows(); ++row) {
2450 for (col_type col = 0; col < ncols(); ++col) {
2451 os << "<td class='math'>";
2452 os << cell(index(row, col));
2457 docstring const & num = numbers_[row];
2459 os << '(' << num << ')';
2468 docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
2470 BufferParams::MathOutput const mathtype =
2471 buffer().masterBuffer()->params().html_math_output;
2473 bool success = false;
2475 // we output all the labels just at the beginning of the equation.
2476 // this should be fine.
2477 for (size_t i = 0; i != label_.size(); ++i) {
2478 InsetLabel const * const il = label_[i];
2484 // FIXME Eventually we would like to do this inset by inset.
2485 if (mathtype == BufferParams::MathML) {
2486 odocstringstream os;
2491 } catch (MathExportException const &) {}
2493 if (getType() == hullSimple)
2494 xs << html::StartTag("math",
2495 "xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2497 xs << html::StartTag("math",
2498 "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2499 xs << XHTMLStream::ESCAPE_NONE
2501 << html::EndTag("math");
2503 } else if (mathtype == BufferParams::HTML) {
2504 odocstringstream os;
2509 } catch (MathExportException const &) {}
2511 string const tag = (getType() == hullSimple) ? "span" : "div";
2512 xs << html::StartTag(tag, "class='formula'", true)
2513 << XHTMLStream::ESCAPE_NONE
2515 << html::EndTag(tag);
2519 // what we actually want is this:
2521 // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
2523 // || mathtype == BufferParams::Images
2525 // but what follows is equivalent, since we'll enter only if either (a) we
2526 // tried and failed with MathML or HTML or (b) didn't try yet at all but
2527 // aren't doing LaTeX.
2529 // so this is for Images.
2530 if (!success && mathtype != BufferParams::LaTeX) {
2531 graphics::PreviewImage const * pimage = 0;
2533 loadPreview(docit_);
2534 pimage = preview_->getPreviewImage(buffer());
2535 // FIXME Do we always have png?
2538 if (pimage || op.dryrun) {
2539 string const filename = pimage ? pimage->filename().onlyFileName()
2540 : "previewimage.png";
2542 // if we are not in the master buffer, then we need to see that the
2543 // generated image is copied there; otherwise, preview fails.
2544 Buffer const * mbuf = buffer().masterBuffer();
2545 if (mbuf != &buffer()) {
2546 string mbtmp = mbuf->temppath();
2547 FileName const mbufimg(support::addName(mbtmp, filename));
2548 pimage->filename().copyTo(mbufimg);
2550 // add the file to the list of files to be exported
2551 op.exportdata->addExternalFile("xhtml", pimage->filename());
2554 string const tag = (getType() == hullSimple) ? "span" : "div";
2556 << html::StartTag(tag, "style = \"text-align: center;\"")
2557 << html::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
2558 << html::EndTag(tag)
2564 // so we'll pass this test if we've failed everything else, or
2565 // if mathtype was LaTeX, since we won't have entered any of the
2567 if (!success /* || mathtype != BufferParams::LaTeX */) {
2568 // Unfortunately, we cannot use latexString() because we do not want
2569 // $...$ or whatever.
2570 odocstringstream ls;
2571 otexrowstream ots(ls);
2572 WriteStream wi(ots, false, true, WriteStream::wsPreview);
2573 ModeSpecifier specifier(wi, MATH_MODE);
2575 docstring const latex = ls.str();
2577 // class='math' allows for use of jsMath
2578 // http://www.math.union.edu/~dpvc/jsMath/
2580 // probably should allow for some kind of customization here
2581 string const tag = (getType() == hullSimple) ? "span" : "div";
2582 xs << html::StartTag(tag, "class='math'")
2584 << html::EndTag(tag)
2591 void InsetMathHull::toString(odocstream & os) const
2593 odocstringstream ods;
2594 plaintext(ods, OutputParams(0));
2599 void InsetMathHull::forOutliner(docstring & os, size_t const, bool const) const
2601 odocstringstream ods;
2604 // FIXME: this results in spilling TeX into the LyXHTML output since the
2605 // outliner is used to generate the LyXHTML list of figures/etc.
2611 string InsetMathHull::contextMenuName() const
2613 return "context-math";
2617 void InsetMathHull::recordLocation(DocIterator const & di)
2623 bool InsetMathHull::canPaintChange(BufferView const &) const
2625 // We let RowPainter do it seamlessly for inline insets
2626 return display() != Inline;