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 "InsetMathNest.h"
19 #include "InsetMathScript.h"
20 #include "MathExtern.h"
21 #include "MathFactory.h"
22 #include "MathStream.h"
23 #include "MathSupport.h"
26 #include "BufferParams.h"
27 #include "BufferView.h"
29 #include "CutAndPaste.h"
32 #include "FuncRequest.h"
33 #include "FuncStatus.h"
35 #include "LaTeXFeatures.h"
37 #include "MacroTable.h"
38 #include "MathMacro.h"
39 #include "MathMacroTemplate.h"
40 #include "MetricsInfo.h"
41 #include "output_xhtml.h"
42 #include "Paragraph.h"
43 #include "ParIterator.h"
46 #include "TextClass.h"
47 #include "TextPainter.h"
48 #include "TocBackend.h"
50 #include "insets/InsetLabel.h"
51 #include "insets/InsetRef.h"
52 #include "insets/RenderPreview.h"
54 #include "graphics/GraphicsImage.h"
55 #include "graphics/PreviewImage.h"
56 #include "graphics/PreviewLoader.h"
58 #include "frontends/alert.h"
59 #include "frontends/Painter.h"
61 #include "support/convert.h"
62 #include "support/debug.h"
63 #include "support/gettext.h"
64 #include "support/filetools.h"
65 #include "support/lassert.h"
66 #include "support/lstrings.h"
67 #include "support/RefChanger.h"
72 using namespace lyx::support;
76 using cap::grabAndEraseSelection;
77 using cap::reduceSelectionToOneCell;
81 int getCols(HullType type)
106 // returns position of first relation operator in the array
107 // used for "intelligent splitting"
108 size_t firstRelOp(MathData const & ar)
110 for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
111 if ((*it)->mathClass() == MC_REL)
112 return it - ar.begin();
117 char const * star(bool numbered)
119 return numbered ? "" : "*";
123 // writes a preamble for underlined or struck out math display
124 void writeMathdisplayPreamble(WriteStream & os)
126 if (os.strikeoutMath()) {
127 if (os.ulemCmd() == WriteStream::UNDERLINE)
128 os << "\\raisebox{-\\belowdisplayshortskip}{"
129 "\\lyxmathsout{\\parbox[b]{\\columnwidth}{";
131 os << "\\lyxmathsout{\\parbox{\\columnwidth}{";
132 } else if (os.ulemCmd() == WriteStream::UNDERLINE)
133 os << "\\raisebox{-\\belowdisplayshortskip}{"
134 "\\parbox[b]{\\columnwidth}{";
135 else if (os.ulemCmd() == WriteStream::STRIKEOUT)
136 os << "\\parbox{\\columnwidth}{";
140 // writes a postamble for underlined or struck out math display
141 void writeMathdisplayPostamble(WriteStream & os)
143 if (os.strikeoutMath()) {
144 if (os.ulemCmd() == WriteStream::UNDERLINE)
147 } else if (os.ulemCmd() == WriteStream::UNDERLINE)
149 else if (os.ulemCmd() == WriteStream::STRIKEOUT)
154 } // end anon namespace
157 HullType hullType(docstring const & s)
159 if (s == "none") return hullNone;
160 if (s == "simple") return hullSimple;
161 if (s == "equation") return hullEquation;
162 if (s == "eqnarray") return hullEqnArray;
163 if (s == "align") return hullAlign;
164 if (s == "alignat") return hullAlignAt;
165 if (s == "xalignat") return hullXAlignAt;
166 if (s == "xxalignat") return hullXXAlignAt;
167 if (s == "multline") return hullMultline;
168 if (s == "gather") return hullGather;
169 if (s == "flalign") return hullFlAlign;
170 if (s == "regexp") return hullRegexp;
171 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
176 docstring hullName(HullType type)
179 case hullNone: return from_ascii("none");
180 case hullSimple: return from_ascii("simple");
181 case hullEquation: return from_ascii("equation");
182 case hullEqnArray: return from_ascii("eqnarray");
183 case hullAlign: return from_ascii("align");
184 case hullAlignAt: return from_ascii("alignat");
185 case hullXAlignAt: return from_ascii("xalignat");
186 case hullXXAlignAt: return from_ascii("xxalignat");
187 case hullMultline: return from_ascii("multline");
188 case hullGather: return from_ascii("gather");
189 case hullFlAlign: return from_ascii("flalign");
190 case hullRegexp: return from_ascii("regexp");
192 lyxerr << "unknown hull type" << endl;
195 return from_ascii("none");
198 static InsetLabel * dummy_pointer = 0;
200 InsetMathHull::InsetMathHull(Buffer * buf)
201 : InsetMathGrid(buf, 1, 1), type_(hullNone), numbered_(1, NUMBER),
202 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
203 preview_(new RenderPreview(this))
205 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
206 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
207 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
208 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
215 InsetMathHull::InsetMathHull(Buffer * buf, HullType type)
216 : InsetMathGrid(buf, getCols(type), 1), type_(type), numbered_(1, NUMBER),
217 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
218 preview_(new RenderPreview(this))
226 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid(other)
232 InsetMathHull::~InsetMathHull()
234 for (size_t i = 0; i < label_.size(); ++i)
239 Inset * InsetMathHull::clone() const
241 return new InsetMathHull(*this);
245 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
249 InsetMathGrid::operator=(other);
251 numbered_ = other.numbered_;
252 numbers_ = other.numbers_;
253 buffer_ = other.buffer_;
254 for (size_t i = 0; i < label_.size(); ++i)
256 label_ = other.label_;
257 for (size_t i = 0; i != label_.size(); ++i) {
259 label_[i] = new InsetLabel(*label_[i]);
261 preview_.reset(new RenderPreview(*other.preview_, this));
267 void InsetMathHull::setBuffer(Buffer & buffer)
269 InsetMathGrid::setBuffer(buffer);
271 for (size_t i = 0; i != label_.size(); ++i) {
273 label_[i]->setBuffer(buffer);
278 // FIXME This should really be controlled by the TOC level, or
279 // something of the sort.
281 const char * counters_to_save[] = {"section", "chapter"};
282 unsigned int const numcnts = sizeof(counters_to_save)/sizeof(char *);
286 void InsetMathHull::updateBuffer(ParIterator const & it, UpdateType utype)
289 //FIXME: buffer_ should be set at creation for this inset! Problem is
290 // This inset is created at too many places (see Parser::parse1() in
295 // if any of the equations are numbered, then we want to save the values
296 // of some of the counters.
298 BufferParams const & bp = buffer_->params();
299 string const & lang = it->getParLanguage(bp)->code();
301 buffer_->masterBuffer()->params().documentClass().counters();
303 // right now, we only need to do this at export time
304 if (utype == OutputUpdate) {
305 for (size_t i = 0; i < numcnts; ++i) {
306 docstring const cnt = from_ascii(counters_to_save[i]);
307 if (cnts.hasCounter(cnt))
308 counter_map[cnt] = cnts.value(cnt);
312 // this has to be done separately
313 docstring const eqstr = from_ascii("equation");
314 if (cnts.hasCounter(eqstr)) {
315 if (utype == OutputUpdate)
316 counter_map[eqstr] = cnts.value(eqstr);
317 for (size_t i = 0; i != label_.size(); ++i) {
319 cnts.step(eqstr, utype);
320 numbers_[i] = cnts.theCounter(eqstr, lang);
322 numbers_[i] = empty_docstring();
328 for (size_t i = 0; i != label_.size(); ++i) {
330 label_[i]->updateBuffer(it, utype);
333 InsetMathGrid::updateBuffer(it, utype);
337 void InsetMathHull::addToToc(DocIterator const & pit, bool output_active,
338 UpdateType utype) const
341 //FIXME: buffer_ should be set at creation for this inset! Problem is
342 // This inset is created at too many places (see Parser::parse1() in
347 shared_ptr<Toc> toc = buffer().tocBackend().toc("equation");
349 for (row_type row = 0; row != nrows(); ++row) {
353 label_[row]->addToToc(pit, output_active, utype);
354 toc->push_back(TocItem(pit, 0, nicelabel(row), output_active));
359 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
361 if (previewState(&cur.bv())) {
365 return InsetMathNest::editXY(cur, x, y);
369 InsetMath::mode_type InsetMathHull::currentMode() const
373 return UNDECIDED_MODE;
375 // definitely math mode ...
395 bool InsetMathHull::idxFirst(Cursor & cur) const
403 bool InsetMathHull::idxLast(Cursor & cur) const
405 cur.idx() = nargs() - 1;
406 cur.pos() = cur.lastpos();
411 // FIXME: InsetMathGrid should be changed to let the real column alignment be
412 // given by a virtual method like displayColAlign, because the values produced
413 // by defaultColAlign can be invalidated by lfuns such as add-column. For the
414 // moment the values produced by defaultColAlign are not used, notably because
415 // alignment is not implemented in the LyXHTML output.
416 char InsetMathHull::defaultColAlign(col_type col)
418 return colAlign(type_, col);
422 char InsetMathHull::displayColAlign(idx_type idx) const
426 row_type const r = row(idx);
429 if (r == nrows() - 1)
440 return colAlign(type_, col(idx));
444 return InsetMathGrid::displayColAlign(idx);
448 int InsetMathHull::displayColSpace(col_type col) const
450 return colSpace(type_, col);
454 // FIXME: same comment as for defaultColAlign applies.
455 int InsetMathHull::defaultColSpace(col_type col)
457 return colSpace(type_, col);
461 string InsetMathHull::standardFont() const
467 return "lyxnochange";
474 ColorCode InsetMathHull::standardColor() const
479 return Color_foreground;
487 bool InsetMathHull::previewState(const BufferView *const bv) const
489 if (!editing(bv) && RenderPreview::previewMath()
490 && type_ != hullRegexp)
492 graphics::PreviewImage const * pimage =
493 preview_->getPreviewImage(bv->buffer());
494 return pimage && pimage->image();
501 static const int ERROR_FRAME_WIDTH = 2;
504 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
506 if (previewState(mi.base.bv)) {
507 preview_->metrics(mi, dim);
508 if (previewTooSmall(dim)) {
509 // preview image is too small
510 dim.wid += 2 * ERROR_FRAME_WIDTH;
511 dim.asc += 2 * ERROR_FRAME_WIDTH;
513 // insert a one pixel gap in front of the formula
516 dim.des += displayMargin();
518 // Cache the inset dimension.
519 setDimCache(mi, dim);
523 Changer dummy1 = mi.base.changeFontSet(standardFont());
524 Changer dummy2 = mi.base.font.changeStyle(display() ? LM_ST_DISPLAY
527 // let the cells adjust themselves
528 InsetMathGrid::metrics(mi, dim);
531 dim.asc += displayMargin();
532 dim.des += displayMargin();
535 if (numberedType()) {
536 Changer dummy = mi.base.changeFontSet("mathbf");
538 for (row_type row = 0; row < nrows(); ++row)
539 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
545 if (type_ == hullRegexp)
547 // make it at least as high as the current font
550 math_font_max_dim(mi.base.font, asc, des);
551 dim.asc = max(dim.asc, asc);
552 dim.des = max(dim.des, des);
553 // Cache the inset dimension.
554 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
555 setDimCache(mi, dim);
559 bool InsetMathHull::previewTooSmall(Dimension const & dim) const
561 return dim.width() <= 10 && dim.height() <= 10;
565 ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
567 BufferView const * const bv = pi.base.bv;
568 if (previewState(bv)) {
569 Dimension const dim = dimension(*pi.base.bv);
570 if (previewTooSmall(dim))
572 return graphics::PreviewLoader::backgroundColor();
578 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
580 Dimension const dim = dimension(*pi.base.bv);
581 if (previewTooSmall(dim)) {
582 pi.pain.fillRectangle(x, y - 2 * ERROR_FRAME_WIDTH,
583 dim.wid, dim.asc + dim.des, backgroundColor(pi));
586 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
587 dim.asc + dim.des - 1, pi.backgroundColor(this));
591 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
593 BufferView const * const bv = pi.base.bv;
594 Dimension const dim = dimension(*bv);
596 if (type_ == hullRegexp)
597 pi.pain.rectangle(x + 2, y - dim.ascent() + 1,
598 dim.width() - 3, dim.height() - 2, Color_regexpframe);
600 if (previewState(bv)) {
601 // Do not draw change tracking cue if taken care of by RowPainter
603 Changer dummy = !canPaintChange(*bv) ? make_change(pi.change_, Change())
605 if (previewTooSmall(dim)) {
606 // we have an extra frame
607 preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
609 // one pixel gap in front
610 preview_->draw(pi, x + 1, y);
612 setPosCache(pi, x, y);
616 ColorCode color = pi.selected && lyxrc.use_system_colors
617 ? Color_selectiontext : standardColor();
618 bool const really_change_color = pi.base.font.color() == Color_none;
619 Changer dummy0 = really_change_color ? pi.base.font.changeColor(color)
621 Changer dummy1 = pi.base.changeFontSet(standardFont());
622 Changer dummy2 = pi.base.font.changeStyle(display() ? LM_ST_DISPLAY
625 InsetMathGrid::draw(pi, x + 1, y);
627 if (numberedType()) {
628 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
629 for (row_type row = 0; row < nrows(); ++row) {
630 int const yy = y + rowinfo_[row].offset_;
631 Changer dummy = pi.base.changeFontSet("mathrm");
632 docstring const nl = nicelabel(row);
636 // drawing change line
637 if (canPaintChange(*bv))
638 pi.change_.paintCue(pi, x + 1, y + 1 - dim.asc,
639 x + dim.wid, y + dim.des);
640 setPosCache(pi, x, y);
644 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
647 InsetMathGrid::metricsT(mi, dim);
650 otexrowstream ots(os);
651 WriteStream wi(ots, false, true, WriteStream::wsDefault);
653 dim.wid = os.str().size();
660 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
663 InsetMathGrid::drawT(pain, x, y);
666 otexrowstream ots(os);
667 WriteStream wi(ots, false, true, WriteStream::wsDefault);
669 pain.draw(x, y, os.str().c_str());
674 static docstring latexString(InsetMathHull const & inset)
677 // This has to be static, because a preview snippet or a math
678 // macro containing math in text mode (such as $\text{$\phi$}$ or
679 // \newcommand{\xxx}{\text{$\phi$}}) gets processed twice. The
680 // first time as a whole, and the second time only the inner math.
681 // In this last case inset.buffer() would be invalid.
682 static Encoding const * encoding = 0;
683 if (inset.isBufferValid())
684 encoding = &(inset.buffer().params().encoding());
685 otexrowstream ots(ls);
686 WriteStream wi(ots, false, true, WriteStream::wsPreview, encoding);
692 void InsetMathHull::initUnicodeMath() const
694 // Trigger classification of the unicode symbols in this inset
695 docstring const dummy = latexString(*this);
699 void InsetMathHull::addPreview(DocIterator const & inset_pos,
700 graphics::PreviewLoader & /*ploader*/) const
702 if (RenderPreview::previewMath()) {
703 preparePreview(inset_pos);
708 void InsetMathHull::usedMacros(MathData const & md, DocIterator const & pos,
709 MacroNameSet & macros, MacroNameSet & defs) const
711 MacroNameSet::iterator const end = macros.end();
713 for (size_t i = 0; i < md.size(); ++i) {
714 MathMacro const * mi = md[i].nucleus()->asMacro();
715 MathMacroTemplate const * mt = md[i].nucleus()->asMacroTemplate();
716 InsetMathScript const * si = md[i].nucleus()->asScriptInset();
717 InsetMathFracBase const * fi = md[i].nucleus()->asFracBaseInset();
718 InsetMathGrid const * gi = md[i].nucleus()->asGridInset();
719 InsetMathNest const * ni = md[i].nucleus()->asNestInset();
721 // Look for macros in the arguments of this macro.
722 for (idx_type idx = 0; idx < mi->nargs(); ++idx)
723 usedMacros(mi->cell(idx), pos, macros, defs);
724 // Make sure this is a macro defined in the document
725 // (as we also spot the macros in the symbols file)
726 // or that we have not already accounted for it.
727 docstring const name = mi->name();
728 if (macros.find(name) == end)
731 // Look for macros in the definition of this macro.
732 MathData ar(pos.buffer());
733 MacroData const * data =
734 pos.buffer()->getMacro(name, pos, true);
736 odocstringstream macro_def;
737 data->write(macro_def, true);
739 defs.insert(macro_def.str());
740 asArray(data->definition(), ar);
742 usedMacros(ar, pos, macros, defs);
744 MathData ar(pos.buffer());
745 asArray(mt->definition(), ar);
746 usedMacros(ar, pos, macros, defs);
748 if (!si->nuc().empty())
749 usedMacros(si->nuc(), pos, macros, defs);
751 usedMacros(si->down(), pos, macros, defs);
753 usedMacros(si->up(), pos, macros, defs);
754 } else if (fi || gi) {
755 idx_type nidx = fi ? fi->nargs() : gi->nargs();
756 for (idx_type idx = 0; idx < nidx; ++idx)
757 usedMacros(fi ? fi->cell(idx) : gi->cell(idx),
760 usedMacros(ni->cell(0), pos, macros, defs);
766 void InsetMathHull::preparePreview(DocIterator const & pos,
767 bool forexport) const
769 // there is no need to do all the macro stuff if we're not
770 // actually going to generate the preview.
771 if (!RenderPreview::previewMath() && !forexport)
774 Buffer const * buffer = pos.buffer();
776 // collect macros at this position
778 buffer->listMacroNames(macros);
780 // collect definitions only for the macros used in this inset
782 for (idx_type idx = 0; idx < nargs(); ++idx)
783 usedMacros(cell(idx), pos, macros, defs);
785 MacroNameSet::iterator it = defs.begin();
786 MacroNameSet::iterator end = defs.end();
787 docstring macro_preamble;
788 for (; it != end; ++it)
789 macro_preamble.append(*it);
791 // set the font series and size for this snippet
792 DocIterator dit = pos.getInnerText();
793 Paragraph const & par = dit.paragraph();
794 Font font = par.getFontSettings(buffer->params(), dit.pos());
795 font.fontInfo().realize(par.layout().font);
796 string const lsize = font.latexSize();
799 if (font.fontInfo().series() == BOLD_SERIES) {
800 setfont += from_ascii("\\textbf{");
803 if (lsize != "normalsize" && !prefixIs(lsize, "error"))
804 setfont += from_ascii("\\" + lsize + '\n');
807 if (forexport && haveNumbers()) {
808 docstring eqstr = from_ascii("equation");
809 CounterMap::const_iterator it = counter_map.find(eqstr);
810 if (it != counter_map.end()) {
811 int num = it->second;
813 setcnt += from_ascii("\\setcounter{") + eqstr + '}' +
814 '{' + convert<docstring>(num) + '}' + '\n';
816 for (size_t i = 0; i != numcnts; ++i) {
817 docstring cnt = from_ascii(counters_to_save[i]);
818 it = counter_map.find(cnt);
819 if (it == counter_map.end())
821 int num = it->second;
823 setcnt += from_ascii("\\setcounter{") + cnt + '}' +
824 '{' + convert<docstring>(num) + '}';
827 docstring const snippet = macro_preamble + setfont + setcnt
828 + latexString(*this) + endfont;
829 LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
830 preview_->addPreview(snippet, *buffer, forexport);
834 void InsetMathHull::reloadPreview(DocIterator const & pos) const
837 preview_->startLoading(*pos.buffer());
841 void InsetMathHull::loadPreview(DocIterator const & pos) const
843 bool const forexport = true;
844 preparePreview(pos, forexport);
845 preview_->startLoading(*pos.buffer(), forexport);
849 bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
851 if (RenderPreview::previewMath()) {
853 cur.screenUpdateFlags(Update::Force);
859 docstring InsetMathHull::label(row_type row) const
861 LASSERT(row < nrows(), return docstring());
862 if (InsetLabel * il = label_[row])
863 return il->screenLabel();
868 void InsetMathHull::label(row_type row, docstring const & label)
870 //lyxerr << "setting label '" << label << "' for row " << row << endl;
874 label_[row] = dummy_pointer;
877 label_[row]->updateLabelAndRefs(label);
879 label_[row]->setParam("name", label);
883 InsetCommandParams p(LABEL_CODE);
885 label_[row] = new InsetLabel(buffer_, p);
887 label_[row]->setBuffer(buffer());
891 void InsetMathHull::numbered(row_type row, Numbered num)
893 numbered_[row] = num;
894 if (!numbered(row) && label_[row]) {
901 bool InsetMathHull::numbered(row_type row) const
903 return numbered_[row] == NUMBER;
907 bool InsetMathHull::ams() const
927 for (size_t row = 0; row < numbered_.size(); ++row)
928 if (numbered_[row] == NOTAG)
934 bool InsetMathHull::outerDisplay() const
957 Inset::DisplayType InsetMathHull::display() const
980 bool InsetMathHull::numberedType() const
999 for (row_type row = 0; row < nrows(); ++row)
1006 void InsetMathHull::validate(LaTeXFeatures & features) const
1008 if (features.runparams().isLaTeX()) {
1010 features.require("amsmath");
1012 if (type_ == hullRegexp) {
1013 features.require("color");
1014 docstring frcol = from_utf8(lcolor.getLaTeXName(Color_regexpframe));
1015 docstring bgcol = from_ascii("white");
1016 features.addPreambleSnippet(
1017 "\\newcommand{\\regexp}[1]{\\fcolorbox{"
1019 + bgcol + "}{\\ensuremath{\\mathtt{#1}}}}");
1020 features.addPreambleSnippet(
1021 from_ascii("\\newcommand{\\endregexp}{}"));
1022 } else if (outerDisplay() && features.inDeletedInset()
1023 && !features.mustProvide("ct-dvipost")) {
1024 features.require("ct-tikz-math-sout");
1027 // Validation is necessary only if not using AMS math.
1028 // To be safe, we will always run mathedvalidate.
1029 //if (features.amsstyle)
1032 //features.binom = true;
1033 } else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
1034 // it would be better to do this elsewhere, but we can't validate in
1035 // InsetMathMatrix and we have no way, outside MathExtern, to know if
1036 // we even have any matrices.
1037 features.addCSSSnippet(
1038 "table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
1039 "table.matrix td{padding: 0.25px;}\n"
1040 "td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
1041 "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}");
1043 InsetMathGrid::validate(features);
1047 void InsetMathHull::header_write(WriteStream & os) const
1049 bool n = numberedType();
1060 if (cell(0).empty())
1065 writeMathdisplayPreamble(os);
1069 os << "\\begin{equation" << star(n) << "}\n";
1079 writeMathdisplayPreamble(os);
1082 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
1089 os << "\\begin{" << hullName(type_) << star(n) << '}'
1090 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1096 os << "\\begin{" << hullName(type_) << '}'
1097 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1107 os << "\\begin{unknown" << star(n) << "}\n";
1113 void InsetMathHull::footer_write(WriteStream & os) const
1115 bool n = numberedType();
1132 os << "\\end{equation" << star(n) << "}\n";
1135 writeMathdisplayPostamble(os);
1145 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1146 writeMathdisplayPostamble(os);
1153 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1159 os << "\\end{" << hullName(type_) << "}\n";
1163 // Only used as a heuristic to find the regexp termination, when searching in ignore-format mode
1164 os << "\\endregexp{}}";
1170 os << "\\end{unknown" << star(n) << "}\n";
1176 bool InsetMathHull::allowsTabularFeatures() const
1199 bool InsetMathHull::rowChangeOK() const
1202 type_ == hullEqnArray || type_ == hullAlign ||
1203 type_ == hullFlAlign || type_ == hullAlignAt ||
1204 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
1205 type_ == hullGather || type_ == hullMultline;
1209 bool InsetMathHull::colChangeOK() const
1212 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
1213 type_ == hullXAlignAt || type_ == hullXXAlignAt;
1217 void InsetMathHull::addRow(row_type row)
1222 bool numbered = numberedType();
1223 // Move the number and raw pointer, do not call label() (bug 7511)
1224 InsetLabel * label = dummy_pointer;
1225 docstring number = empty_docstring();
1226 if (type_ == hullMultline) {
1227 if (row + 1 == nrows()) {
1228 numbered_[row] = NONUMBER;
1229 swap(label, label_[row]);
1230 swap(number, numbers_[row]);
1235 numbered_.insert(numbered_.begin() + row + 1, numbered ? NUMBER : NONUMBER);
1236 numbers_.insert(numbers_.begin() + row + 1, number);
1237 label_.insert(label_.begin() + row + 1, label);
1238 InsetMathGrid::addRow(row);
1242 void InsetMathHull::swapRow(row_type row)
1246 if (row + 1 == nrows())
1248 swap(numbered_[row], numbered_[row + 1]);
1249 swap(numbers_[row], numbers_[row + 1]);
1250 swap(label_[row], label_[row + 1]);
1251 InsetMathGrid::swapRow(row);
1255 void InsetMathHull::delRow(row_type row)
1257 if (nrows() <= 1 || !rowChangeOK())
1259 if (row + 1 == nrows() && type_ == hullMultline) {
1260 swap(numbered_[row - 1], numbered_[row]);
1261 swap(numbers_[row - 1], numbers_[row]);
1262 swap(label_[row - 1], label_[row]);
1263 InsetMathGrid::delRow(row);
1266 InsetMathGrid::delRow(row);
1267 // The last dummy row has no number info nor a label.
1268 // Test nrows() + 1 because we have already erased the row.
1269 if (row == nrows() + 1)
1271 numbered_.erase(numbered_.begin() + row);
1272 numbers_.erase(numbers_.begin() + row);
1274 label_.erase(label_.begin() + row);
1278 void InsetMathHull::addCol(col_type col)
1282 InsetMathGrid::addCol(col);
1286 void InsetMathHull::delCol(col_type col)
1288 if (ncols() <= 1 || !colChangeOK())
1290 InsetMathGrid::delCol(col);
1294 docstring InsetMathHull::nicelabel(row_type row) const
1298 docstring const & val = numbers_[row];
1300 return '(' + val + ')';
1301 return '(' + val + ',' + label_[row]->screenLabel() + ')';
1305 void InsetMathHull::glueall(HullType type)
1308 for (idx_type i = 0; i < nargs(); ++i)
1310 InsetLabel * label = 0;
1311 if (type == hullEquation) {
1312 // preserve first non-empty label
1313 for (row_type row = 0; row < nrows(); ++row) {
1315 label = label_[row];
1321 *this = InsetMathHull(buffer_, hullSimple);
1328 void InsetMathHull::splitTo2Cols()
1330 LASSERT(ncols() == 1, return);
1331 InsetMathGrid::addCol(1);
1332 for (row_type row = 0; row < nrows(); ++row) {
1333 idx_type const i = 2 * row;
1334 pos_type pos = firstRelOp(cell(i));
1335 cell(i + 1) = MathData(buffer_, cell(i).begin() + pos, cell(i).end());
1336 cell(i).erase(pos, cell(i).size());
1341 void InsetMathHull::splitTo3Cols()
1343 LASSERT(ncols() < 3, return);
1346 InsetMathGrid::addCol(2);
1347 for (row_type row = 0; row < nrows(); ++row) {
1348 idx_type const i = 3 * row + 1;
1349 if (!cell(i).empty()) {
1350 cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
1351 cell(i).erase(1, cell(i).size());
1357 void InsetMathHull::changeCols(col_type cols)
1359 if (ncols() == cols)
1361 else if (ncols() < cols) {
1367 while (ncols() < cols)
1368 InsetMathGrid::addCol(ncols());
1374 for (row_type row = 0; row < nrows(); ++row) {
1375 idx_type const i = row * ncols();
1376 for (col_type col = cols; col < ncols(); ++col) {
1377 cell(i + cols - 1).append(cell(i + col));
1381 while (ncols() > cols) {
1382 InsetMathGrid::delCol(ncols() - 1);
1387 HullType InsetMathHull::getType() const
1393 void InsetMathHull::setType(HullType type)
1400 bool InsetMathHull::isMutable(HullType type)
1424 void InsetMathHull::mutate(HullType newtype)
1426 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
1428 if (newtype == type_)
1431 // This guards the algorithm below it, which is designed with certain types
1433 if (!isMutable(newtype) || !isMutable(type_)) {
1434 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1435 << "' to '" << to_utf8(hullName(newtype))
1436 << "' not implemented" << endl;
1440 // we try to move along the chain
1441 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
1443 // +-------------------------------------+
1444 // we use eqnarray as intermediate type for mutations that are not
1445 // directly supported because it handles labels and numbering for
1450 setType(hullSimple);
1456 if (newtype == hullNone) {
1460 setType(hullEquation);
1461 numbered(0, label_[0] ? true : false);
1470 setType(hullSimple);
1475 // split it "nicely" on the first relop
1477 setType(hullEqnArray);
1485 // split it "nicely"
1520 setType(hullEqnArray);
1529 for (row_type row = 0; row < nrows(); ++row)
1530 numbered(row, false);
1540 for (row_type row = 0; row < nrows(); ++row)
1541 numbered(row, false);
1548 setType(hullEqnArray);
1578 for (row_type row = 0; row < nrows(); ++row)
1579 numbered(row, false);
1583 // first we mutate to EqnArray
1585 setType(hullEqnArray);
1592 // we passed the guard so we should not be here
1593 LASSERT("Mutation not implemented, but should have been.", return);
1599 docstring InsetMathHull::eolString(row_type row, bool fragile, bool latex,
1600 bool last_eoln) const
1603 if (numberedType()) {
1604 if (label_[row] && numbered(row)) {
1605 docstring const name =
1606 latex ? escape(label_[row]->getParam("name"))
1607 : label_[row]->getParam("name");
1608 res += "\\label{" + name + '}';
1610 if (type_ != hullMultline) {
1611 if (numbered_[row] == NONUMBER)
1612 res += "\\nonumber ";
1613 else if (numbered_[row] == NOTAG)
1617 // Never add \\ on the last empty line of eqnarray and friends
1619 return res + InsetMathGrid::eolString(row, fragile, latex, last_eoln);
1622 void InsetMathHull::write(WriteStream & os) const
1624 ModeSpecifier specifier(os, MATH_MODE);
1626 InsetMathGrid::write(os);
1631 void InsetMathHull::normalize(NormalStream & os) const
1633 os << "[formula " << hullName(type_) << ' ';
1634 InsetMathGrid::normalize(os);
1639 void InsetMathHull::infoize(odocstream & os) const
1641 os << bformat(_("Type: %1$s"), hullName(type_));
1645 void InsetMathHull::check() const
1647 LATTEST(numbered_.size() == nrows());
1648 LATTEST(numbers_.size() == nrows());
1649 LATTEST(label_.size() == nrows());
1653 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1657 idocstringstream iss(func.argument());
1658 iss >> dlang >> extra;
1660 extra = from_ascii("noextra");
1661 string const lang = to_ascii(dlang);
1663 // replace selection with result of computation
1664 if (reduceSelectionToOneCell(cur)) {
1666 asArray(grabAndEraseSelection(cur), ar);
1667 lyxerr << "use selection: " << ar << endl;
1668 cur.insert(pipeThroughExtern(lang, extra, ar));
1672 // only inline, display or eqnarray math is allowed
1673 switch (getType()) {
1679 frontend::Alert::warning(_("Bad math environment"),
1680 _("Computation cannot be performed for AMS "
1681 "math environments.\nChange the math "
1682 "formula type and try again."));
1687 eq.push_back(MathAtom(new InsetMathChar('=')));
1689 // go to first item in line
1690 cur.idx() -= cur.idx() % ncols();
1693 if (getType() == hullSimple) {
1694 size_type pos = cur.cell().find_last(eq);
1696 if (pos == cur.cell().size()) {
1698 lyxerr << "use whole cell: " << ar << endl;
1700 ar = MathData(buffer_, cur.cell().begin() + pos + 1, cur.cell().end());
1701 lyxerr << "use partial cell form pos: " << pos << endl;
1703 cur.cell().append(eq);
1704 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1705 cur.pos() = cur.lastpos();
1709 if (getType() == hullEquation) {
1710 lyxerr << "use equation inset" << endl;
1711 mutate(hullEqnArray);
1712 MathData & ar = cur.cell();
1713 lyxerr << "use cell: " << ar << endl;
1717 cur.cell() = pipeThroughExtern(lang, extra, ar);
1718 // move to end of line
1719 cur.pos() = cur.lastpos();
1724 lyxerr << "use eqnarray" << endl;
1725 cur.idx() += 2 - cur.idx() % ncols();
1727 MathData ar = cur.cell();
1728 lyxerr << "use cell: " << ar << endl;
1729 // FIXME: temporarily disabled
1735 cur.cell() = pipeThroughExtern(lang, extra, ar);
1736 cur.pos() = cur.lastpos();
1741 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1743 //lyxerr << "action: " << cmd.action() << endl;
1744 switch (cmd.action()) {
1746 case LFUN_FINISHED_BACKWARD:
1747 case LFUN_FINISHED_FORWARD:
1748 case LFUN_FINISHED_RIGHT:
1749 case LFUN_FINISHED_LEFT:
1750 //lyxerr << "action: " << cmd.action() << endl;
1751 InsetMathGrid::doDispatch(cur, cmd);
1754 case LFUN_PARAGRAPH_BREAK:
1755 // just swallow this
1758 case LFUN_NEWLINE_INSERT:
1759 // some magic for the common case
1760 if (type_ == hullSimple || type_ == hullEquation) {
1761 cur.recordUndoInset();
1763 cur.bv().buffer().params().use_package("amsmath") != BufferParams::package_off;
1764 mutate(align ? hullAlign : hullEqnArray);
1765 // mutate() may change labels and such.
1766 cur.forceBufferUpdate();
1767 cur.idx() = nrows() * ncols() - 1;
1768 cur.pos() = cur.lastpos();
1770 InsetMathGrid::doDispatch(cur, cmd);
1773 case LFUN_MATH_NUMBER_TOGGLE: {
1774 //lyxerr << "toggling all numbers" << endl;
1775 cur.recordUndoInset();
1776 bool old = numberedType();
1777 if (type_ == hullMultline)
1778 numbered(nrows() - 1, !old);
1780 for (row_type row = 0; row < nrows(); ++row)
1781 numbered(row, !old);
1783 cur.message(old ? _("No number") : _("Number"));
1784 cur.forceBufferUpdate();
1788 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1789 cur.recordUndoInset();
1790 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1791 bool old = numbered(r);
1792 cur.message(old ? _("No number") : _("Number"));
1794 cur.forceBufferUpdate();
1798 case LFUN_LABEL_INSERT: {
1799 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1800 docstring old_label = label(r);
1801 docstring const default_label = from_ascii("eq:");
1802 if (old_label.empty())
1803 old_label = default_label;
1805 InsetCommandParams p(LABEL_CODE);
1806 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1807 string const data = InsetCommand::params2string(p);
1809 if (cmd.argument().empty())
1810 cur.bv().showDialog("label", data);
1812 FuncRequest fr(LFUN_INSET_INSERT, data);
1818 case LFUN_LABEL_COPY_AS_REFERENCE: {
1820 if (cmd.argument().empty() && &cur.inset() == this)
1821 // if there is no argument and we're inside math, we retrieve
1822 // the row number from the cursor position.
1823 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1825 // if there is an argument, find the corresponding label, else
1826 // check whether there is at least one label.
1827 for (row = 0; row != nrows(); ++row)
1828 if (numbered(row) && label_[row]
1829 && (cmd.argument().empty() || label(row) == cmd.argument()))
1836 InsetCommandParams p(REF_CODE, "ref");
1837 p["reference"] = label(row);
1838 cap::clearSelection();
1839 cap::copyInset(cur, new InsetRef(buffer_, p), label(row));
1843 case LFUN_WORD_DELETE_FORWARD:
1844 case LFUN_CHAR_DELETE_FORWARD:
1845 if (col(cur.idx()) + 1 == ncols()
1846 && cur.pos() == cur.lastpos()
1847 && !cur.selection()) {
1848 if (!label(row(cur.idx())).empty()) {
1849 cur.recordUndoInset();
1850 label(row(cur.idx()), docstring());
1851 } else if (numbered(row(cur.idx()))) {
1852 cur.recordUndoInset();
1853 numbered(row(cur.idx()), false);
1854 cur.forceBufferUpdate();
1856 InsetMathGrid::doDispatch(cur, cmd);
1860 InsetMathGrid::doDispatch(cur, cmd);
1865 case LFUN_INSET_INSERT: {
1866 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1867 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1868 string const name = cmd.getArg(0);
1869 if (name == "label") {
1870 InsetCommandParams p(LABEL_CODE);
1871 InsetCommand::string2params(to_utf8(cmd.argument()), p);
1872 docstring str = p["name"];
1873 cur.recordUndoInset();
1874 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1878 docstring old = label(r);
1881 // The label will take care of the reference update.
1885 // Newly created inset so initialize it.
1886 label_[r]->initView();
1889 cur.forceBufferUpdate();
1892 InsetMathGrid::doDispatch(cur, cmd);
1896 case LFUN_MATH_EXTERN:
1897 cur.recordUndoInset();
1901 case LFUN_MATH_MUTATE: {
1902 cur.recordUndoInset();
1903 row_type row = cur.row();
1904 col_type col = cur.col();
1905 mutate(hullType(cmd.argument()));
1906 cur.idx() = row * ncols() + col;
1907 if (cur.idx() > cur.lastidx()) {
1908 cur.idx() = cur.lastidx();
1909 cur.pos() = cur.lastpos();
1911 if (cur.pos() > cur.lastpos())
1912 cur.pos() = cur.lastpos();
1914 cur.forceBufferUpdate();
1915 // FIXME: find some more clever handling of the selection,
1916 // i.e. preserve it.
1917 cur.clearSelection();
1918 //cur.dispatched(FINISHED);
1922 case LFUN_MATH_DISPLAY: {
1923 cur.recordUndoInset();
1924 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1925 // if the cursor is in a cell that got merged, move it to
1926 // start of the hull inset.
1927 if (cur.idx() > 0) {
1931 if (cur.pos() > cur.lastpos())
1932 cur.pos() = cur.lastpos();
1937 case LFUN_TABULAR_FEATURE:
1938 if (!allowsTabularFeatures())
1941 InsetMathGrid::doDispatch(cur, cmd);
1945 InsetMathGrid::doDispatch(cur, cmd);
1953 bool allowDisplayMath(Cursor const & cur)
1955 LATTEST(cur.depth() > 1);
1956 Cursor tmpcur = cur;
1959 FuncRequest cmd(LFUN_MATH_DISPLAY);
1960 return tmpcur.getStatus(cmd, status) && status.enabled();
1966 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1967 FuncStatus & status) const
1969 switch (cmd.action()) {
1970 case LFUN_FINISHED_BACKWARD:
1971 case LFUN_FINISHED_FORWARD:
1972 case LFUN_FINISHED_RIGHT:
1973 case LFUN_FINISHED_LEFT:
1976 case LFUN_NEWLINE_INSERT:
1977 case LFUN_MATH_EXTERN:
1979 status.setEnabled(true);
1982 // we never allow this in math, and we want to bind enter
1983 // to another actions in command-alternatives
1984 case LFUN_PARAGRAPH_BREAK:
1985 status.setEnabled(false);
1987 case LFUN_MATH_MUTATE: {
1988 HullType const ht = hullType(cmd.argument());
1989 status.setOnOff(type_ == ht);
1990 status.setEnabled(isMutable(ht) && isMutable(type_));
1992 if (ht != hullSimple && status.enabled())
1993 status.setEnabled(allowDisplayMath(cur));
1996 case LFUN_MATH_DISPLAY: {
1997 status.setEnabled(display() != Inline || allowDisplayMath(cur));
1998 status.setOnOff(display() != Inline);
2002 case LFUN_MATH_NUMBER_TOGGLE:
2003 // FIXME: what is the right test, this or the one of
2005 status.setEnabled(display() != Inline);
2006 status.setOnOff(numberedType());
2009 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
2010 // FIXME: what is the right test, this or the one of
2012 bool const enable = (type_ == hullMultline)
2013 ? (nrows() - 1 == cur.row())
2014 : display() != Inline;
2015 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
2016 status.setEnabled(enable);
2017 status.setOnOff(enable && numbered(r));
2021 case LFUN_LABEL_INSERT:
2022 status.setEnabled(type_ != hullSimple);
2025 case LFUN_LABEL_COPY_AS_REFERENCE: {
2026 bool enabled = false;
2028 if (cmd.argument().empty() && &cur.inset() == this) {
2029 // if there is no argument and we're inside math, we retrieve
2030 // the row number from the cursor position.
2031 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
2032 enabled = numberedType() && label_[row] && numbered(row);
2034 // if there is an argument, find the corresponding label, else
2035 // check whether there is at least one label.
2036 for (row_type row = 0; row != nrows(); ++row) {
2037 if (numbered(row) && label_[row] &&
2038 (cmd.argument().empty() || label(row) == cmd.argument())) {
2044 status.setEnabled(enabled);
2048 case LFUN_INSET_INSERT:
2049 if (cmd.getArg(0) == "label") {
2050 status.setEnabled(type_ != hullSimple);
2053 return InsetMathGrid::getStatus(cur, cmd, status);
2055 case LFUN_TABULAR_FEATURE: {
2056 if (!allowsTabularFeatures())
2058 string s = cmd.getArg(0);
2060 && (s == "append-row"
2061 || s == "delete-row"
2062 || s == "copy-row")) {
2063 status.message(bformat(
2064 from_utf8(N_("Can't change number of rows in '%1$s'")),
2066 status.setEnabled(false);
2070 && (s == "append-column"
2071 || s == "delete-column"
2072 || s == "copy-column")) {
2073 status.message(bformat(
2074 from_utf8(N_("Can't change number of columns in '%1$s'")),
2076 status.setEnabled(false);
2079 if (s == "add-vline-left" || s == "add-vline-right") {
2080 status.message(bformat(
2081 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
2083 status.setEnabled(false);
2086 if (s == "valign-top" || s == "valign-middle"
2087 || s == "valign-bottom" || s == "align-left"
2088 || s == "align-center" || s == "align-right") {
2089 status.setEnabled(false);
2092 return InsetMathGrid::getStatus(cur, cmd, status);
2096 return InsetMathGrid::getStatus(cur, cmd, status);
2099 // This cannot really happen, but inserted to shut-up gcc
2100 return InsetMathGrid::getStatus(cur, cmd, status);
2104 /////////////////////////////////////////////////////////////////////
2108 // simply scrap this function if you want
2109 void InsetMathHull::mutateToText()
2112 // translate to latex
2114 latex(os, false, false);
2115 string str = os.str();
2118 Text * lt = view_->cursor().innerText();
2119 string::const_iterator cit = str.begin();
2120 string::const_iterator end = str.end();
2121 for (; cit != end; ++cit)
2122 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
2125 //dispatch(LFUN_ESCAPE);
2130 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
2131 docstring const & font)
2133 // this whole function is a hack and won't work for incremental font
2136 if (cur.inset().asInsetMath()->name() == font)
2137 cur.handleFont(to_utf8(font));
2139 cur.handleNest(createInsetMath(font, cur.buffer()));
2145 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
2150 font.fromString(to_utf8(arg), b);
2151 if (font.fontInfo().color() != Color_inherit) {
2152 MathAtom at = MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color()));
2153 cur.handleNest(at, 0);
2158 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
2161 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
2162 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
2163 enter_front ? idxFirst(cur) : idxLast(cur);
2164 // The inset formula dimension is not necessarily the same as the
2165 // one of the instant preview image, so we have to indicate to the
2166 // BufferView that a metrics update is needed.
2167 cur.screenUpdateFlags(Update::Force);
2171 void InsetMathHull::revealCodes(Cursor & cur) const
2173 if (!cur.inMathed())
2175 odocstringstream os;
2177 cur.message(os.str());
2179 // write something to the minibuffer
2180 // translate to latex
2184 string str = os.str();
2186 string::size_type pos = 0;
2188 for (string::iterator it = str.begin(); it != str.end(); ++it) {
2191 else if (*it == '\0') {
2193 pos = it - str.begin();
2199 res = res.substr(pos - 30);
2200 if (res.size() > 60)
2201 res = res.substr(0, 60);
2207 /////////////////////////////////////////////////////////////////////
2211 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
2214 // FIXME: completely broken
2215 static InsetMathHull * lastformula = 0;
2216 static CursorBase current = DocIterator(ibegin(nucleus()));
2218 static string laststr;
2220 if (lastformula != this || laststr != str) {
2221 //lyxerr << "reset lastformula to " << this << endl;
2224 current = ibegin(nucleus());
2226 mathed_parse_cell(ar, str, Parse::NORMAL, &buffer());
2230 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
2232 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
2233 CursorSlice & top = it.back();
2234 MathData const & a = top.asInsetMath()->cell(top.idx_);
2235 if (a.matchpart(ar, top.pos_)) {
2236 bv->cursor().setSelection(it, ar.size());
2238 top.pos_ += ar.size();
2244 //lyxerr << "not found!" << endl;
2251 void InsetMathHull::write(ostream & os) const
2253 odocstringstream oss;
2254 otexrowstream ots(oss);
2255 WriteStream wi(ots, false, false, WriteStream::wsDefault);
2258 os << to_utf8(oss.str());
2262 void InsetMathHull::read(Lexer & lex)
2265 mathed_parse_normal(buffer_, at, lex, Parse::TRACKMACRO);
2266 operator=(*at->asHullInset());
2270 bool InsetMathHull::readQuiet(Lexer & lex)
2273 bool success = mathed_parse_normal(buffer_, at, lex, Parse::QUIET);
2275 operator=(*at->asHullInset());
2280 int InsetMathHull::plaintext(odocstringstream & os,
2281 OutputParams const & op, size_t max_length) const
2283 // disables ASCII-art for export of equations. See #2275.
2284 if (0 && display()) {
2288 TextPainter tpain(dim.width(), dim.height());
2289 drawT(tpain, 0, dim.ascent());
2291 // reset metrics cache to "real" values
2293 return tpain.textheight();
2296 odocstringstream oss;
2297 otexrowstream ots(oss);
2298 Encoding const * const enc = encodings.fromLyXName("utf8");
2299 WriteStream wi(ots, false, true, WriteStream::wsDefault, enc);
2302 if (type_ == hullRegexp)
2305 for (row_type r = 0; r < nrows(); ++r) {
2306 for (col_type c = 0; c < ncols(); ++c)
2307 wi << (c == 0 ? "" : "\t") << cell(index(r, c));
2308 // if it's for the TOC, we write just the first line
2309 // and do not include the newline.
2310 if (op.for_toc || op.for_tooltip || oss.str().size() >= max_length)
2312 if (r < nrows() - 1)
2316 docstring const str = oss.str();
2322 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
2327 if (getType() == hullSimple)
2328 name = from_ascii("inlineequation");
2330 name = from_ascii("informalequation");
2332 docstring bname = name;
2333 if (!label(0).empty())
2334 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
2336 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
2338 odocstringstream ls;
2340 if (runparams.flavor == OutputParams::XML) {
2341 ms << MTag("alt role='tex' ");
2342 // Workaround for db2latex: db2latex always includes equations with
2343 // \ensuremath{} or \begin{display}\end{display}
2344 // so we strip LyX' math environment
2345 WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
2346 InsetMathGrid::write(wi);
2347 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2352 InsetMathGrid::mathmlize(ms);
2355 ms << MTag("alt role='tex'");
2356 latex(ols, runparams);
2357 res = ols.texrow().rows();
2358 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2362 ms << from_ascii("<graphic fileref=\"eqn/");
2363 if (!label(0).empty())
2364 ms << sgml::cleanID(buffer(), runparams, label(0));
2366 ms << sgml::uniqueID(from_ascii("anon"));
2368 if (runparams.flavor == OutputParams::XML)
2369 ms << from_ascii("\"/>");
2371 ms << from_ascii("\">");
2373 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
2375 return ms.line() + res;
2379 bool InsetMathHull::haveNumbers() const
2381 bool havenumbers = false;
2382 // inline formulas are never numbered (bug 7351 part 3)
2383 if (getType() == hullSimple)
2385 for (size_t i = 0; i != numbered_.size(); ++i) {
2396 // We need to do something about alignment here.
2398 // This duplicates code from InsetMathGrid, but
2399 // we need access here to number information,
2400 // and we simply do not have that in InsetMathGrid.
2401 void InsetMathHull::htmlize(HtmlStream & os) const
2403 bool const havenumbers = haveNumbers();
2404 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2407 os << cell(index(0, 0));
2411 os << MTag("table", "class='mathtable'");
2412 for (row_type row = 0; row < nrows(); ++row) {
2414 for (col_type col = 0; col < ncols(); ++col) {
2416 os << cell(index(row, col));
2421 docstring const & num = numbers_[row];
2423 os << '(' << num << ')';
2428 os << ETag("table");
2432 // this duplicates code from InsetMathGrid, but
2433 // we need access here to number information,
2434 // and we simply do not have that in InsetMathGrid.
2435 void InsetMathHull::mathmlize(MathStream & os) const
2437 bool const havenumbers = haveNumbers();
2438 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2441 os << MTag("mtable");
2442 char const * const celltag = havetable ? "mtd" : "mrow";
2443 // FIXME There does not seem to be wide support at the moment
2444 // for mlabeledtr, so we have to use just mtr for now.
2445 // char const * const rowtag = havenumbers ? "mlabeledtr" : "mtr";
2446 char const * const rowtag = "mtr";
2447 for (row_type row = 0; row < nrows(); ++row) {
2450 for (col_type col = 0; col < ncols(); ++col) {
2452 << cell(index(row, col))
2458 docstring const & num = numbers_[row];
2460 os << '(' << num << ')';
2467 os << ETag("mtable");
2471 void InsetMathHull::mathAsLatex(WriteStream & os) const
2473 MathEnsurer ensurer(os, false);
2474 bool havenumbers = haveNumbers();
2475 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2478 os << cell(index(0, 0));
2482 os << "<table class='mathtable'>";
2483 for (row_type row = 0; row < nrows(); ++row) {
2485 for (col_type col = 0; col < ncols(); ++col) {
2486 os << "<td class='math'>";
2487 os << cell(index(row, col));
2492 docstring const & num = numbers_[row];
2494 os << '(' << num << ')';
2503 docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
2505 BufferParams::MathOutput const mathtype =
2506 buffer().masterBuffer()->params().html_math_output;
2508 bool success = false;
2510 // we output all the labels just at the beginning of the equation.
2511 // this should be fine.
2512 for (size_t i = 0; i != label_.size(); ++i) {
2513 InsetLabel const * const il = label_[i];
2519 // FIXME Eventually we would like to do this inset by inset.
2520 if (mathtype == BufferParams::MathML) {
2521 odocstringstream os;
2526 } catch (MathExportException const &) {}
2528 if (getType() == hullSimple)
2529 xs << html::StartTag("math",
2530 "xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2532 xs << html::StartTag("math",
2533 "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2534 xs << XHTMLStream::ESCAPE_NONE
2536 << html::EndTag("math");
2538 } else if (mathtype == BufferParams::HTML) {
2539 odocstringstream os;
2544 } catch (MathExportException const &) {}
2546 string const tag = (getType() == hullSimple) ? "span" : "div";
2547 xs << html::StartTag(tag, "class='formula'", true)
2548 << XHTMLStream::ESCAPE_NONE
2550 << html::EndTag(tag);
2554 // what we actually want is this:
2556 // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
2558 // || mathtype == BufferParams::Images
2560 // but what follows is equivalent, since we'll enter only if either (a) we
2561 // tried and failed with MathML or HTML or (b) didn't try yet at all but
2562 // aren't doing LaTeX.
2564 // so this is for Images.
2565 if (!success && mathtype != BufferParams::LaTeX) {
2566 graphics::PreviewImage const * pimage = 0;
2568 loadPreview(docit_);
2569 pimage = preview_->getPreviewImage(buffer());
2570 // FIXME Do we always have png?
2573 if (pimage || op.dryrun) {
2574 string const filename = pimage ? pimage->filename().onlyFileName()
2575 : "previewimage.png";
2577 // if we are not in the master buffer, then we need to see that the
2578 // generated image is copied there; otherwise, preview fails.
2579 Buffer const * mbuf = buffer().masterBuffer();
2580 if (mbuf != &buffer()) {
2581 string mbtmp = mbuf->temppath();
2582 FileName const mbufimg(support::addName(mbtmp, filename));
2583 pimage->filename().copyTo(mbufimg);
2585 // add the file to the list of files to be exported
2586 op.exportdata->addExternalFile("xhtml", pimage->filename());
2589 string const tag = (getType() == hullSimple) ? "span" : "div";
2591 << html::StartTag(tag, "style = \"text-align: center;\"")
2592 << html::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
2593 << html::EndTag(tag)
2599 // so we'll pass this test if we've failed everything else, or
2600 // if mathtype was LaTeX, since we won't have entered any of the
2602 if (!success /* || mathtype != BufferParams::LaTeX */) {
2603 // Unfortunately, we cannot use latexString() because we do not want
2604 // $...$ or whatever.
2605 odocstringstream ls;
2606 otexrowstream ots(ls);
2607 WriteStream wi(ots, false, true, WriteStream::wsPreview);
2608 ModeSpecifier specifier(wi, MATH_MODE);
2610 docstring const latex = ls.str();
2612 // class='math' allows for use of jsMath
2613 // http://www.math.union.edu/~dpvc/jsMath/
2615 // probably should allow for some kind of customization here
2616 string const tag = (getType() == hullSimple) ? "span" : "div";
2617 xs << html::StartTag(tag, "class='math'")
2619 << html::EndTag(tag)
2626 void InsetMathHull::toString(odocstream & os) const
2628 odocstringstream ods;
2629 plaintext(ods, OutputParams(0));
2634 void InsetMathHull::forOutliner(docstring & os, size_t const, bool const) const
2636 odocstringstream ods;
2639 // FIXME: this results in spilling TeX into the LyXHTML output since the
2640 // outliner is used to generate the LyXHTML list of figures/etc.
2646 string InsetMathHull::contextMenuName() const
2648 return "context-math";
2652 void InsetMathHull::recordLocation(DocIterator const & di)
2658 bool InsetMathHull::canPaintChange(BufferView const &) const
2660 // We let RowPainter do it seamlessly for inline insets
2661 return display() != Inline;