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 "output_xhtml.h"
42 #include "Paragraph.h"
43 #include "ParIterator.h"
45 #include "TextClass.h"
46 #include "TextPainter.h"
47 #include "TocBackend.h"
49 #include "insets/InsetLabel.h"
50 #include "insets/InsetRef.h"
51 #include "insets/RenderPreview.h"
53 #include "graphics/GraphicsImage.h"
54 #include "graphics/PreviewImage.h"
55 #include "graphics/PreviewLoader.h"
57 #include "frontends/alert.h"
58 #include "frontends/Painter.h"
60 #include "support/convert.h"
61 #include "support/lassert.h"
62 #include "support/debug.h"
63 #include "support/filetools.h"
64 #include "support/gettext.h"
65 #include "support/lstrings.h"
70 using namespace lyx::support;
74 using cap::grabAndEraseSelection;
75 using cap::reduceSelectionToOneCell;
79 int getCols(HullType type)
96 // returns position of first relation operator in the array
97 // used for "intelligent splitting"
98 size_t firstRelOp(MathData const & ar)
100 for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
101 if ((*it)->isRelOp())
102 return it - ar.begin();
107 char const * star(bool numbered)
109 return numbered ? "" : "*";
113 } // end anon namespace
116 HullType hullType(docstring const & s)
118 if (s == "none") return hullNone;
119 if (s == "simple") return hullSimple;
120 if (s == "equation") return hullEquation;
121 if (s == "eqnarray") return hullEqnArray;
122 if (s == "align") return hullAlign;
123 if (s == "alignat") return hullAlignAt;
124 if (s == "xalignat") return hullXAlignAt;
125 if (s == "xxalignat") return hullXXAlignAt;
126 if (s == "multline") return hullMultline;
127 if (s == "gather") return hullGather;
128 if (s == "flalign") return hullFlAlign;
129 if (s == "regexp") return hullRegexp;
130 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
135 docstring hullName(HullType type)
138 case hullNone: return from_ascii("none");
139 case hullSimple: return from_ascii("simple");
140 case hullEquation: return from_ascii("equation");
141 case hullEqnArray: return from_ascii("eqnarray");
142 case hullAlign: return from_ascii("align");
143 case hullAlignAt: return from_ascii("alignat");
144 case hullXAlignAt: return from_ascii("xalignat");
145 case hullXXAlignAt: return from_ascii("xxalignat");
146 case hullMultline: return from_ascii("multline");
147 case hullGather: return from_ascii("gather");
148 case hullFlAlign: return from_ascii("flalign");
149 case hullRegexp: return from_ascii("regexp");
151 lyxerr << "unknown hull type '" << type << "'" << endl;
152 return from_ascii("none");
156 static InsetLabel * dummy_pointer = 0;
158 InsetMathHull::InsetMathHull(Buffer * buf)
159 : InsetMathGrid(buf, 1, 1), type_(hullNone), numbered_(1, NUMBER),
160 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
161 preview_(new RenderPreview(this)), use_preview_(false)
163 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
164 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
165 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
166 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
173 InsetMathHull::InsetMathHull(Buffer * buf, HullType type)
174 : InsetMathGrid(buf, getCols(type), 1), type_(type), numbered_(1, NUMBER),
175 numbers_(1, empty_docstring()), label_(1, dummy_pointer),
176 preview_(new RenderPreview(this)), use_preview_(false)
184 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid(other)
190 InsetMathHull::~InsetMathHull()
192 for (size_t i = 0; i < label_.size(); ++i)
197 Inset * InsetMathHull::clone() const
199 return new InsetMathHull(*this);
203 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
207 InsetMathGrid::operator=(other);
209 numbered_ = other.numbered_;
210 numbers_ = other.numbers_;
211 buffer_ = other.buffer_;
212 for (size_t i = 0; i < label_.size(); ++i)
214 label_ = other.label_;
215 for (size_t i = 0; i != label_.size(); ++i) {
217 label_[i] = new InsetLabel(*label_[i]);
219 preview_.reset(new RenderPreview(*other.preview_, this));
225 void InsetMathHull::setBuffer(Buffer & buffer)
227 InsetMathGrid::setBuffer(buffer);
229 for (size_t i = 0; i != label_.size(); ++i) {
231 label_[i]->setBuffer(buffer);
236 // FIXME This should really be controlled by the TOC level, or
237 // something of the sort.
239 const char * counters_to_save[] = {"section", "chapter"};
240 unsigned int const numcnts = sizeof(counters_to_save)/sizeof(char *);
244 void InsetMathHull::updateBuffer(ParIterator const & it, UpdateType utype)
247 //FIXME: buffer_ should be set at creation for this inset! Problem is
248 // This inset is created at too many places (see Parser::parse1() in
253 // if any of the equations are numbered, then we want to save the values
254 // of some of the counters.
256 BufferParams const & bp = buffer_->params();
257 string const & lang = it->getParLanguage(bp)->code();
259 buffer_->masterBuffer()->params().documentClass().counters();
261 // right now, we only need to do this at export time
262 if (utype == OutputUpdate) {
263 for (size_t i = 0; i < numcnts; ++i) {
264 docstring const cnt = from_ascii(counters_to_save[i]);
265 if (cnts.hasCounter(cnt))
266 counter_map[cnt] = cnts.value(cnt);
270 // this has to be done separately
271 docstring const eqstr = from_ascii("equation");
272 if (cnts.hasCounter(eqstr)) {
273 if (utype == OutputUpdate)
274 counter_map[eqstr] = cnts.value(eqstr);
275 for (size_t i = 0; i != label_.size(); ++i) {
277 cnts.step(eqstr, utype);
278 numbers_[i] = cnts.theCounter(eqstr, lang);
280 numbers_[i] = empty_docstring();
286 for (size_t i = 0; i != label_.size(); ++i) {
288 label_[i]->updateBuffer(it, utype);
291 InsetMathGrid::updateBuffer(it, utype);
295 void InsetMathHull::addToToc(DocIterator const & pit, bool output_active,
296 UpdateType utype) const
299 //FIXME: buffer_ should be set at creation for this inset! Problem is
300 // This inset is created at too many places (see Parser::parse1() in
305 shared_ptr<Toc> toc = buffer().tocBackend().toc("equation");
307 for (row_type row = 0; row != nrows(); ++row) {
311 label_[row]->addToToc(pit, output_active, utype);
312 toc->push_back(TocItem(pit, 0, nicelabel(row), output_active));
317 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
323 return InsetMathNest::editXY(cur, x, y);
327 InsetMath::mode_type InsetMathHull::currentMode() const
329 if (type_ == hullNone)
330 return UNDECIDED_MODE;
331 // definitely math mode ...
336 bool InsetMathHull::idxFirst(Cursor & cur) const
344 bool InsetMathHull::idxLast(Cursor & cur) const
346 cur.idx() = nargs() - 1;
347 cur.pos() = cur.lastpos();
352 char InsetMathHull::defaultColAlign(col_type col)
354 if (type_ == hullEqnArray)
356 if (type_ == hullMultline)
358 if (type_ == hullGather)
360 if (type_ >= hullAlign)
361 return "rl"[col & 1];
366 char InsetMathHull::displayColAlign(idx_type idx) const
368 if (type_ == hullMultline) {
369 row_type const r = row(idx);
372 if (r == nrows() - 1)
375 return InsetMathGrid::displayColAlign(idx);
379 int InsetMathHull::defaultColSpace(col_type col)
381 if (type_ == hullAlign || type_ == hullAlignAt)
383 if (type_ == hullXAlignAt)
384 return (col & 1) ? 20 : 0;
385 if (type_ == hullXXAlignAt || type_ == hullFlAlign)
386 return (col & 1) ? 40 : 0;
391 docstring InsetMathHull::standardFont() const
396 font_name = from_ascii("texttt");
399 font_name = from_ascii("lyxnochange");
402 font_name = from_ascii("mathnormal");
408 ColorCode InsetMathHull::standardColor() const
414 color = Color_foreground;
423 bool InsetMathHull::previewState(const BufferView *const bv) const
425 if (!editing(bv) && RenderPreview::previewMath()
426 && type_ != hullRegexp)
428 graphics::PreviewImage const * pimage =
429 preview_->getPreviewImage(bv->buffer());
430 return pimage && pimage->image();
437 static const int ERROR_FRAME_WIDTH = 2;
440 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
442 if (previewState(mi.base.bv)) {
443 preview_->metrics(mi, dim);
444 if (previewTooSmall(dim)) {
445 // preview image is too small
446 dim.wid += 2 * ERROR_FRAME_WIDTH;
447 dim.asc += 2 * ERROR_FRAME_WIDTH;
449 // insert a one pixel gap in front of the formula
452 dim.des += displayMargin();
454 // Cache the inset dimension.
455 setDimCache(mi, dim);
459 FontSetChanger dummy1(mi.base, standardFont());
460 StyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
462 // let the cells adjust themselves
463 InsetMathGrid::metrics(mi, dim);
466 dim.asc += displayMargin();
467 dim.des += displayMargin();
470 if (numberedType()) {
471 FontSetChanger dummy(mi.base, from_ascii("mathbf"));
473 for (row_type row = 0; row < nrows(); ++row)
474 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
480 if (type_ == hullRegexp)
482 // make it at least as high as the current font
485 math_font_max_dim(mi.base.font, asc, des);
486 dim.asc = max(dim.asc, asc);
487 dim.des = max(dim.des, des);
488 // Cache the inset dimension.
489 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
490 setDimCache(mi, dim);
494 bool InsetMathHull::previewTooSmall(Dimension const & dim) const
496 return dim.width() <= 10 && dim.height() <= 10;
500 ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
502 BufferView const * const bv = pi.base.bv;
503 if (previewState(bv)) {
504 Dimension const dim = dimension(*pi.base.bv);
505 if (previewTooSmall(dim))
507 return graphics::PreviewLoader::backgroundColor();
513 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
515 Dimension const dim = dimension(*pi.base.bv);
516 if (previewTooSmall(dim)) {
517 pi.pain.fillRectangle(x, y - 2 * ERROR_FRAME_WIDTH,
518 dim.wid, dim.asc + dim.des, backgroundColor(pi));
521 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
522 dim.asc + dim.des - 1, pi.backgroundColor(this));
526 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
528 BufferView const * const bv = pi.base.bv;
529 use_preview_ = previewState(bv);
531 if (type_ == hullRegexp) {
532 Dimension const dim = dimension(*bv);
533 pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
534 dim.width() - 2, dim.height() - 2, Color_regexpframe);
538 Dimension const dim = dimension(*bv);
539 if (previewTooSmall(dim)) {
540 // we have an extra frame
541 preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
543 // one pixel gap in front
544 preview_->draw(pi, x + 1, y);
546 setPosCache(pi, x, y);
550 ColorCode color = pi.selected && lyxrc.use_system_colors
551 ? Color_selectiontext : standardColor();
552 bool const really_change_color = pi.base.font.color() == Color_none;
553 ColorChanger dummy0(pi.base.font, color, really_change_color);
554 FontSetChanger dummy1(pi.base, standardFont());
555 StyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
557 InsetMathGrid::draw(pi, x + 1, y);
559 if (numberedType()) {
560 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
561 for (row_type row = 0; row < nrows(); ++row) {
562 int const yy = y + rowinfo_[row].offset_;
563 FontSetChanger dummy(pi.base, from_ascii("mathrm"));
564 docstring const nl = nicelabel(row);
568 setPosCache(pi, x, y);
572 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
575 InsetMathGrid::metricsT(mi, dim);
578 WriteStream wi(os, false, true, WriteStream::wsDefault);
580 dim.wid = os.str().size();
587 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
590 InsetMathGrid::drawT(pain, x, y);
593 WriteStream wi(os, false, true, WriteStream::wsDefault);
595 pain.draw(x, y, os.str().c_str());
600 static docstring latexString(InsetMathHull const & inset)
603 // This has to be static, because a preview snippet or a math
604 // macro containing math in text mode (such as $\text{$\phi$}$ or
605 // \newcommand{\xxx}{\text{$\phi$}}) gets processed twice. The
606 // first time as a whole, and the second time only the inner math.
607 // In this last case inset.buffer() would be invalid.
608 static Encoding const * encoding = 0;
609 if (inset.isBufferValid())
610 encoding = &(inset.buffer().params().encoding());
611 WriteStream wi(ls, false, true, WriteStream::wsPreview, encoding);
617 void InsetMathHull::initUnicodeMath() const
619 // Trigger classification of the unicode symbols in this inset
620 docstring const dummy = latexString(*this);
624 void InsetMathHull::addPreview(DocIterator const & inset_pos,
625 graphics::PreviewLoader & /*ploader*/) const
627 if (RenderPreview::previewMath()) {
628 preparePreview(inset_pos);
633 void InsetMathHull::usedMacros(MathData const & md, DocIterator const & pos,
634 MacroNameSet & macros, MacroNameSet & defs) const
636 MacroNameSet::iterator const end = macros.end();
638 for (size_t i = 0; i < md.size(); ++i) {
639 MathMacro const * mi = md[i].nucleus()->asMacro();
640 MathMacroTemplate const * mt = md[i].nucleus()->asMacroTemplate();
641 InsetMathScript const * si = md[i].nucleus()->asScriptInset();
642 InsetMathFracBase const * fi = md[i].nucleus()->asFracBaseInset();
643 InsetMathGrid const * gi = md[i].nucleus()->asGridInset();
644 InsetMathNest const * ni = md[i].nucleus()->asNestInset();
646 // Look for macros in the arguments of this macro.
647 for (idx_type idx = 0; idx < mi->nargs(); ++idx)
648 usedMacros(mi->cell(idx), pos, macros, defs);
649 // Make sure this is a macro defined in the document
650 // (as we also spot the macros in the symbols file)
651 // or that we have not already accounted for it.
652 docstring const name = mi->name();
653 if (macros.find(name) == end)
656 // Look for macros in the definition of this macro.
657 MathData ar(pos.buffer());
658 MacroData const * data =
659 pos.buffer()->getMacro(name, pos, true);
661 odocstringstream macro_def;
662 data->write(macro_def, true);
664 defs.insert(macro_def.str());
665 asArray(data->definition(), ar);
667 usedMacros(ar, pos, macros, defs);
669 MathData ar(pos.buffer());
670 asArray(mt->definition(), ar);
671 usedMacros(ar, pos, macros, defs);
673 if (!si->nuc().empty())
674 usedMacros(si->nuc(), pos, macros, defs);
676 usedMacros(si->down(), pos, macros, defs);
678 usedMacros(si->up(), pos, macros, defs);
679 } else if (fi || gi) {
680 idx_type nidx = fi ? fi->nargs() : gi->nargs();
681 for (idx_type idx = 0; idx < nidx; ++idx)
682 usedMacros(fi ? fi->cell(idx) : gi->cell(idx),
685 usedMacros(ni->cell(0), pos, macros, defs);
691 void InsetMathHull::preparePreview(DocIterator const & pos,
692 bool forexport) const
694 // there is no need to do all the macro stuff if we're not
695 // actually going to generate the preview.
696 if (!RenderPreview::previewMath() && !forexport)
699 Buffer const * buffer = pos.buffer();
701 // collect macros at this position
703 buffer->listMacroNames(macros);
705 // collect definitions only for the macros used in this inset
707 for (idx_type idx = 0; idx < nargs(); ++idx)
708 usedMacros(cell(idx), pos, macros, defs);
710 MacroNameSet::iterator it = defs.begin();
711 MacroNameSet::iterator end = defs.end();
712 docstring macro_preamble;
713 for (; it != end; ++it)
714 macro_preamble.append(*it);
717 if (forexport && haveNumbers()) {
718 docstring eqstr = from_ascii("equation");
719 CounterMap::const_iterator it = counter_map.find(eqstr);
720 if (it != counter_map.end()) {
721 int num = it->second;
723 setcnt += from_ascii("\\setcounter{") + eqstr + '}' +
724 '{' + convert<docstring>(num) + '}' + '\n';
726 for (size_t i = 0; i != numcnts; ++i) {
727 docstring cnt = from_ascii(counters_to_save[i]);
728 it = counter_map.find(cnt);
729 if (it == counter_map.end())
731 int num = it->second;
733 setcnt += from_ascii("\\setcounter{") + cnt + '}' +
734 '{' + convert<docstring>(num) + '}';
737 docstring const snippet = macro_preamble + setcnt + latexString(*this);
738 LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
739 preview_->addPreview(snippet, *buffer, forexport);
743 void InsetMathHull::reloadPreview(DocIterator const & pos) const
746 preview_->startLoading(*pos.buffer());
750 void InsetMathHull::loadPreview(DocIterator const & pos) const
752 bool const forexport = true;
753 preparePreview(pos, forexport);
754 preview_->startLoading(*pos.buffer(), forexport);
758 bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
760 if (RenderPreview::previewMath()) {
762 cur.screenUpdateFlags(Update::Force);
768 docstring InsetMathHull::label(row_type row) const
770 LASSERT(row < nrows(), return docstring());
771 if (InsetLabel * il = label_[row])
772 return il->screenLabel();
777 void InsetMathHull::label(row_type row, docstring const & label)
779 //lyxerr << "setting label '" << label << "' for row " << row << endl;
783 label_[row] = dummy_pointer;
786 label_[row]->updateLabelAndRefs(label);
788 label_[row]->setParam("name", label);
792 InsetCommandParams p(LABEL_CODE);
794 label_[row] = new InsetLabel(buffer_, p);
796 label_[row]->setBuffer(buffer());
800 void InsetMathHull::numbered(row_type row, Numbered num)
802 numbered_[row] = num;
803 if (!numbered(row) && label_[row]) {
810 bool InsetMathHull::numbered(row_type row) const
812 return numbered_[row] == NUMBER;
816 bool InsetMathHull::ams() const
834 for (size_t row = 0; row < numbered_.size(); ++row)
835 if (numbered_[row] == NOTAG)
841 Inset::DisplayType InsetMathHull::display() const
843 if (type_ == hullSimple || type_ == hullNone || type_ == hullRegexp)
848 bool InsetMathHull::numberedType() const
850 if (type_ == hullNone)
852 if (type_ == hullSimple)
854 if (type_ == hullXXAlignAt)
856 if (type_ == hullRegexp)
858 for (row_type row = 0; row < nrows(); ++row)
865 void InsetMathHull::validate(LaTeXFeatures & features) const
867 if (features.runparams().isLaTeX()) {
869 features.require("amsmath");
871 if (type_ == hullRegexp) {
872 features.require("color");
873 string frcol = lcolor.getLaTeXName(Color_regexpframe);
874 string bgcol = "white";
875 features.addPreambleSnippet(
876 string("\\newcommand{\\regexp}[1]{\\fcolorbox{")
877 + frcol + string("}{")
878 + bgcol + string("}{\\ensuremath{\\mathtt{#1}}}}"));
879 features.addPreambleSnippet(
880 string("\\newcommand{\\endregexp}{}"));
883 // Validation is necessary only if not using AMS math.
884 // To be safe, we will always run mathedvalidate.
885 //if (features.amsstyle)
888 //features.binom = true;
889 } else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
890 // it would be better to do this elsewhere, but we can't validate in
891 // InsetMathMatrix and we have no way, outside MathExtern, to know if
892 // we even have any matrices.
893 features.addCSSSnippet(
894 "table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
895 "table.matrix td{padding: 0.25px;}\n"
896 "td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
897 "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}");
899 InsetMathGrid::validate(features);
903 void InsetMathHull::header_write(WriteStream & os) const
905 bool n = numberedType();
919 os << "\n\\begin{equation" << star(n) << "}\n";
929 os << "\n\\begin{" << hullName(type_) << star(n) << "}\n";
934 os << "\n\\begin{" << hullName(type_) << star(n) << '}'
935 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
939 os << "\n\\begin{" << hullName(type_) << '}'
940 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
948 os << "\n\\begin{unknown" << star(n) << "}\n";
954 void InsetMathHull::footer_write(WriteStream & os) const
956 bool n = numberedType();
969 os << "\n\\end{equation" << star(n) << "}\n";
981 os << "\n\\end{" << hullName(type_) << star(n) << "}\n";
985 os << "\n\\end{" << hullName(type_) << "}\n";
989 // Only used as a heuristic to find the regexp termination, when searching in ignore-format mode
990 os << "\\endregexp{}}";
994 os << "\n\\end{unknown" << star(n) << "}\n";
1000 bool InsetMathHull::rowChangeOK() const
1003 type_ == hullEqnArray || type_ == hullAlign ||
1004 type_ == hullFlAlign || type_ == hullAlignAt ||
1005 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
1006 type_ == hullGather || type_ == hullMultline;
1010 bool InsetMathHull::colChangeOK() const
1013 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
1014 type_ == hullXAlignAt || type_ == hullXXAlignAt;
1018 void InsetMathHull::addRow(row_type row)
1023 bool numbered = numberedType();
1024 // Move the number and raw pointer, do not call label() (bug 7511)
1025 InsetLabel * label = dummy_pointer;
1026 docstring number = empty_docstring();
1027 if (type_ == hullMultline) {
1028 if (row + 1 == nrows()) {
1029 numbered_[row] = NONUMBER;
1030 swap(label, label_[row]);
1031 swap(number, numbers_[row]);
1036 numbered_.insert(numbered_.begin() + row + 1, numbered ? NUMBER : NONUMBER);
1037 numbers_.insert(numbers_.begin() + row + 1, number);
1038 label_.insert(label_.begin() + row + 1, label);
1039 InsetMathGrid::addRow(row);
1043 void InsetMathHull::swapRow(row_type row)
1047 if (row + 1 == nrows())
1049 swap(numbered_[row], numbered_[row + 1]);
1050 swap(numbers_[row], numbers_[row + 1]);
1051 swap(label_[row], label_[row + 1]);
1052 InsetMathGrid::swapRow(row);
1056 void InsetMathHull::delRow(row_type row)
1058 if (nrows() <= 1 || !rowChangeOK())
1060 if (row + 1 == nrows() && type_ == hullMultline) {
1061 swap(numbered_[row - 1], numbered_[row]);
1062 swap(numbers_[row - 1], numbers_[row]);
1063 swap(label_[row - 1], label_[row]);
1064 InsetMathGrid::delRow(row);
1067 InsetMathGrid::delRow(row);
1068 // The last dummy row has no number info nor a label.
1069 // Test nrows() + 1 because we have already erased the row.
1070 if (row == nrows() + 1)
1072 numbered_.erase(numbered_.begin() + row);
1073 numbers_.erase(numbers_.begin() + row);
1075 label_.erase(label_.begin() + row);
1079 void InsetMathHull::addCol(col_type col)
1083 InsetMathGrid::addCol(col);
1087 void InsetMathHull::delCol(col_type col)
1089 if (ncols() <= 1 || !colChangeOK())
1091 InsetMathGrid::delCol(col);
1095 docstring InsetMathHull::nicelabel(row_type row) const
1099 docstring const & val = numbers_[row];
1101 return '(' + val + ')';
1102 return '(' + val + ',' + label_[row]->screenLabel() + ')';
1106 void InsetMathHull::glueall(HullType type)
1109 for (idx_type i = 0; i < nargs(); ++i)
1111 InsetLabel * label = 0;
1112 if (type == hullEquation) {
1113 // preserve first non-empty label
1114 for (row_type row = 0; row < nrows(); ++row) {
1116 label = label_[row];
1122 *this = InsetMathHull(buffer_, hullSimple);
1129 void InsetMathHull::splitTo2Cols()
1131 LASSERT(ncols() == 1, return);
1132 InsetMathGrid::addCol(1);
1133 for (row_type row = 0; row < nrows(); ++row) {
1134 idx_type const i = 2 * row;
1135 pos_type pos = firstRelOp(cell(i));
1136 cell(i + 1) = MathData(buffer_, cell(i).begin() + pos, cell(i).end());
1137 cell(i).erase(pos, cell(i).size());
1142 void InsetMathHull::splitTo3Cols()
1144 LASSERT(ncols() < 3, return);
1147 InsetMathGrid::addCol(2);
1148 for (row_type row = 0; row < nrows(); ++row) {
1149 idx_type const i = 3 * row + 1;
1150 if (!cell(i).empty()) {
1151 cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
1152 cell(i).erase(1, cell(i).size());
1158 void InsetMathHull::changeCols(col_type cols)
1160 if (ncols() == cols)
1162 else if (ncols() < cols) {
1168 while (ncols() < cols)
1169 InsetMathGrid::addCol(ncols());
1175 for (row_type row = 0; row < nrows(); ++row) {
1176 idx_type const i = row * ncols();
1177 for (col_type col = cols; col < ncols(); ++col) {
1178 cell(i + cols - 1).append(cell(i + col));
1182 while (ncols() > cols) {
1183 InsetMathGrid::delCol(ncols() - 1);
1188 HullType InsetMathHull::getType() const
1194 void InsetMathHull::setType(HullType type)
1201 void InsetMathHull::mutate(HullType newtype)
1203 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
1205 // we try to move along the chain
1206 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
1208 // +-------------------------------------+
1209 // we use eqnarray as intermediate type for mutations that are not
1210 // directly supported because it handles labels and numbering for
1213 if (newtype == type_) {
1217 else if (newtype < hullNone) {
1222 else if (type_ == hullNone) {
1223 setType(hullSimple);
1228 else if (type_ == hullSimple) {
1229 if (newtype == hullNone) {
1233 setType(hullEquation);
1234 numbered(0, label_[0] ? true : false);
1239 else if (type_ == hullEquation) {
1240 if (newtype < type_) {
1241 setType(hullSimple);
1244 } else if (newtype == hullEqnArray) {
1245 // split it "nicely" on the first relop
1247 setType(hullEqnArray);
1248 } else if (newtype == hullMultline || newtype == hullGather) {
1251 // split it "nicely"
1258 else if (type_ == hullEqnArray) {
1259 if (newtype < type_) {
1262 } else { // align & Co.
1269 else if (type_ == hullAlign || type_ == hullAlignAt ||
1270 type_ == hullXAlignAt || type_ == hullFlAlign) {
1271 if (newtype < hullAlign) {
1273 setType(hullEqnArray);
1275 } else if (newtype == hullGather || newtype == hullMultline) {
1278 } else if (newtype == hullXXAlignAt) {
1279 for (row_type row = 0; row < nrows(); ++row)
1280 numbered(row, false);
1287 else if (type_ == hullXXAlignAt) {
1288 for (row_type row = 0; row < nrows(); ++row)
1289 numbered(row, false);
1290 if (newtype < hullAlign) {
1292 setType(hullEqnArray);
1294 } else if (newtype == hullGather || newtype == hullMultline) {
1302 else if (type_ == hullMultline || type_ == hullGather) {
1303 if (newtype == hullGather || newtype == hullMultline)
1305 else if (newtype == hullAlign || newtype == hullFlAlign ||
1306 newtype == hullAlignAt || newtype == hullXAlignAt) {
1309 } else if (newtype == hullXXAlignAt) {
1311 for (row_type row = 0; row < nrows(); ++row)
1312 numbered(row, false);
1316 setType(hullEqnArray);
1322 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1323 << "' to '" << to_utf8(hullName(newtype))
1324 << "' not implemented" << endl;
1329 docstring InsetMathHull::eolString(row_type row, bool fragile, bool latex,
1330 bool last_eoln) const
1333 if (numberedType()) {
1334 if (label_[row] && numbered(row)) {
1335 docstring const name =
1336 latex ? escape(label_[row]->getParam("name"))
1337 : label_[row]->getParam("name");
1338 res += "\\label{" + name + '}';
1340 if (type_ != hullMultline) {
1341 if (numbered_[row] == NONUMBER)
1342 res += "\\nonumber ";
1343 else if (numbered_[row] == NOTAG)
1347 // Never add \\ on the last empty line of eqnarray and friends
1349 return res + InsetMathGrid::eolString(row, fragile, latex, last_eoln);
1353 void InsetMathHull::write(WriteStream & os) const
1355 ModeSpecifier specifier(os, MATH_MODE);
1357 InsetMathGrid::write(os);
1362 void InsetMathHull::normalize(NormalStream & os) const
1364 os << "[formula " << hullName(type_) << ' ';
1365 InsetMathGrid::normalize(os);
1370 void InsetMathHull::infoize(odocstream & os) const
1372 os << bformat(_("Type: %1$s"), hullName(type_));
1376 void InsetMathHull::check() const
1378 LATTEST(numbered_.size() == nrows());
1379 LATTEST(numbers_.size() == nrows());
1380 LATTEST(label_.size() == nrows());
1384 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1388 idocstringstream iss(func.argument());
1389 iss >> dlang >> extra;
1391 extra = from_ascii("noextra");
1392 string const lang = to_ascii(dlang);
1394 // replace selection with result of computation
1395 if (reduceSelectionToOneCell(cur)) {
1397 asArray(grabAndEraseSelection(cur), ar);
1398 lyxerr << "use selection: " << ar << endl;
1399 cur.insert(pipeThroughExtern(lang, extra, ar));
1403 // only inline, display or eqnarray math is allowed
1404 if (getType() > hullEqnArray) {
1405 frontend::Alert::warning(_("Bad math environment"),
1406 _("Computation cannot be performed for AMS "
1407 "math environments.\nChange the math "
1408 "formula type and try again."));
1413 eq.push_back(MathAtom(new InsetMathChar('=')));
1415 // go to first item in line
1416 cur.idx() -= cur.idx() % ncols();
1419 if (getType() == hullSimple) {
1420 size_type pos = cur.cell().find_last(eq);
1422 if (pos == cur.cell().size()) {
1424 lyxerr << "use whole cell: " << ar << endl;
1426 ar = MathData(buffer_, cur.cell().begin() + pos + 1, cur.cell().end());
1427 lyxerr << "use partial cell form pos: " << pos << endl;
1429 cur.cell().append(eq);
1430 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1431 cur.pos() = cur.lastpos();
1435 if (getType() == hullEquation) {
1436 lyxerr << "use equation inset" << endl;
1437 mutate(hullEqnArray);
1438 MathData & ar = cur.cell();
1439 lyxerr << "use cell: " << ar << endl;
1443 cur.cell() = pipeThroughExtern(lang, extra, ar);
1444 // move to end of line
1445 cur.pos() = cur.lastpos();
1450 lyxerr << "use eqnarray" << endl;
1451 cur.idx() += 2 - cur.idx() % ncols();
1453 MathData ar = cur.cell();
1454 lyxerr << "use cell: " << ar << endl;
1455 // FIXME: temporarily disabled
1461 cur.cell() = pipeThroughExtern(lang, extra, ar);
1462 cur.pos() = cur.lastpos();
1467 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1469 //lyxerr << "action: " << cmd.action() << endl;
1470 switch (cmd.action()) {
1472 case LFUN_FINISHED_BACKWARD:
1473 case LFUN_FINISHED_FORWARD:
1474 case LFUN_FINISHED_RIGHT:
1475 case LFUN_FINISHED_LEFT:
1476 //lyxerr << "action: " << cmd.action() << endl;
1477 InsetMathGrid::doDispatch(cur, cmd);
1480 case LFUN_PARAGRAPH_BREAK:
1481 // just swallow this
1484 case LFUN_NEWLINE_INSERT:
1485 // some magic for the common case
1486 if (type_ == hullSimple || type_ == hullEquation) {
1487 cur.recordUndoInset();
1489 cur.bv().buffer().params().use_package("amsmath") == BufferParams::package_on;
1490 mutate(align ? hullAlign : hullEqnArray);
1491 // mutate() may change labels and such.
1492 cur.forceBufferUpdate();
1493 cur.idx() = nrows() * ncols() - 1;
1494 cur.pos() = cur.lastpos();
1496 InsetMathGrid::doDispatch(cur, cmd);
1499 case LFUN_MATH_NUMBER_TOGGLE: {
1500 //lyxerr << "toggling all numbers" << endl;
1501 cur.recordUndoInset();
1502 bool old = numberedType();
1503 if (type_ == hullMultline)
1504 numbered(nrows() - 1, !old);
1506 for (row_type row = 0; row < nrows(); ++row)
1507 numbered(row, !old);
1509 cur.message(old ? _("No number") : _("Number"));
1510 cur.forceBufferUpdate();
1514 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1515 cur.recordUndoInset();
1516 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1517 bool old = numbered(r);
1518 cur.message(old ? _("No number") : _("Number"));
1520 cur.forceBufferUpdate();
1524 case LFUN_LABEL_INSERT: {
1525 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1526 docstring old_label = label(r);
1527 docstring const default_label = from_ascii("eq:");
1528 if (old_label.empty())
1529 old_label = default_label;
1531 InsetCommandParams p(LABEL_CODE);
1532 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1533 string const data = InsetCommand::params2string(p);
1535 if (cmd.argument().empty())
1536 cur.bv().showDialog("label", data);
1538 FuncRequest fr(LFUN_INSET_INSERT, data);
1544 case LFUN_LABEL_COPY_AS_REFERENCE: {
1546 if (cmd.argument().empty() && &cur.inset() == this)
1547 // if there is no argument and we're inside math, we retrieve
1548 // the row number from the cursor position.
1549 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1551 // if there is an argument, find the corresponding label, else
1552 // check whether there is at least one label.
1553 for (row = 0; row != nrows(); ++row)
1554 if (numbered(row) && label_[row]
1555 && (cmd.argument().empty() || label(row) == cmd.argument()))
1562 InsetCommandParams p(REF_CODE, "ref");
1563 p["reference"] = label(row);
1564 cap::clearSelection();
1565 cap::copyInset(cur, new InsetRef(buffer_, p), label(row));
1569 case LFUN_WORD_DELETE_FORWARD:
1570 case LFUN_CHAR_DELETE_FORWARD:
1571 if (col(cur.idx()) + 1 == ncols()
1572 && cur.pos() == cur.lastpos()
1573 && !cur.selection()) {
1574 if (!label(row(cur.idx())).empty()) {
1575 cur.recordUndoInset();
1576 label(row(cur.idx()), docstring());
1577 } else if (numbered(row(cur.idx()))) {
1578 cur.recordUndoInset();
1579 numbered(row(cur.idx()), false);
1580 cur.forceBufferUpdate();
1582 InsetMathGrid::doDispatch(cur, cmd);
1586 InsetMathGrid::doDispatch(cur, cmd);
1591 case LFUN_INSET_INSERT: {
1592 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1593 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1594 string const name = cmd.getArg(0);
1595 if (name == "label") {
1596 InsetCommandParams p(LABEL_CODE);
1597 InsetCommand::string2params(to_utf8(cmd.argument()), p);
1598 docstring str = p["name"];
1599 cur.recordUndoInset();
1600 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1604 docstring old = label(r);
1607 // The label will take care of the reference update.
1611 // Newly created inset so initialize it.
1612 label_[r]->initView();
1615 cur.forceBufferUpdate();
1618 InsetMathGrid::doDispatch(cur, cmd);
1622 case LFUN_MATH_EXTERN:
1623 cur.recordUndoInset();
1627 case LFUN_MATH_MUTATE: {
1628 cur.recordUndoInset();
1629 row_type row = cur.row();
1630 col_type col = cur.col();
1631 mutate(hullType(cmd.argument()));
1632 cur.idx() = row * ncols() + col;
1633 if (cur.idx() > cur.lastidx()) {
1634 cur.idx() = cur.lastidx();
1635 cur.pos() = cur.lastpos();
1637 if (cur.pos() > cur.lastpos())
1638 cur.pos() = cur.lastpos();
1640 cur.forceBufferUpdate();
1641 // FIXME: find some more clever handling of the selection,
1642 // i.e. preserve it.
1643 cur.clearSelection();
1644 //cur.dispatched(FINISHED);
1648 case LFUN_MATH_DISPLAY: {
1649 cur.recordUndoInset();
1650 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1651 // if the cursor is in a cell that got merged, move it to
1652 // start of the hull inset.
1653 if (cur.idx() > 0) {
1657 if (cur.pos() > cur.lastpos())
1658 cur.pos() = cur.lastpos();
1664 InsetMathGrid::doDispatch(cur, cmd);
1670 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1671 FuncStatus & status) const
1673 switch (cmd.action()) {
1674 case LFUN_FINISHED_BACKWARD:
1675 case LFUN_FINISHED_FORWARD:
1676 case LFUN_FINISHED_RIGHT:
1677 case LFUN_FINISHED_LEFT:
1680 case LFUN_NEWLINE_INSERT:
1681 case LFUN_MATH_EXTERN:
1683 status.setEnabled(true);
1686 // we never allow this in math, and we want to bind enter
1687 // to another actions in command-alternatives
1688 case LFUN_PARAGRAPH_BREAK:
1689 status.setEnabled(false);
1691 case LFUN_MATH_MUTATE: {
1692 HullType const ht = hullType(cmd.argument());
1693 status.setOnOff(type_ == ht);
1694 status.setEnabled(true);
1696 if (ht != hullSimple) {
1697 Cursor tmpcur = cur;
1698 while (!tmpcur.empty()) {
1699 InsetCode code = tmpcur.inset().lyxCode();
1700 if (code == BOX_CODE) {
1702 } else if (code == TABULAR_CODE) {
1703 FuncRequest tmpcmd(LFUN_MATH_DISPLAY);
1704 if (tmpcur.getStatus(tmpcmd, status) && !status.enabled())
1712 case LFUN_MATH_DISPLAY: {
1714 if (cur.depth() > 1) {
1715 Inset const & in = cur[cur.depth()-2].inset();
1716 if (in.lyxCode() == SCRIPT_CODE)
1717 enable = display() != Inline;
1719 status.setEnabled(enable);
1720 status.setOnOff(display() != Inline);
1724 case LFUN_MATH_NUMBER_TOGGLE:
1725 // FIXME: what is the right test, this or the one of
1727 status.setEnabled(display() != Inline);
1728 status.setOnOff(numberedType());
1731 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1732 // FIXME: what is the right test, this or the one of
1734 bool const enable = (type_ == hullMultline)
1735 ? (nrows() - 1 == cur.row())
1736 : display() != Inline;
1737 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1738 status.setEnabled(enable);
1739 status.setOnOff(enable && numbered(r));
1743 case LFUN_LABEL_INSERT:
1744 status.setEnabled(type_ != hullSimple);
1747 case LFUN_LABEL_COPY_AS_REFERENCE: {
1748 bool enabled = false;
1750 if (cmd.argument().empty() && &cur.inset() == this) {
1751 // if there is no argument and we're inside math, we retrieve
1752 // the row number from the cursor position.
1753 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1754 enabled = numberedType() && label_[row] && numbered(row);
1756 // if there is an argument, find the corresponding label, else
1757 // check whether there is at least one label.
1758 for (row_type row = 0; row != nrows(); ++row) {
1759 if (numbered(row) && label_[row] &&
1760 (cmd.argument().empty() || label(row) == cmd.argument())) {
1766 status.setEnabled(enabled);
1770 case LFUN_INSET_INSERT:
1771 if (cmd.getArg(0) == "label") {
1772 status.setEnabled(type_ != hullSimple);
1775 return InsetMathGrid::getStatus(cur, cmd, status);
1777 case LFUN_INSET_MODIFY: {
1778 istringstream is(to_utf8(cmd.argument()));
1782 return InsetMathGrid::getStatus(cur, cmd, status);
1785 && (s == "append-row"
1786 || s == "delete-row"
1787 || s == "copy-row")) {
1788 status.message(bformat(
1789 from_utf8(N_("Can't change number of rows in '%1$s'")),
1791 status.setEnabled(false);
1795 && (s == "append-column"
1796 || s == "delete-column"
1797 || s == "copy-column")) {
1798 status.message(bformat(
1799 from_utf8(N_("Can't change number of columns in '%1$s'")),
1801 status.setEnabled(false);
1804 if ((type_ == hullSimple
1805 || type_ == hullEquation
1806 || type_ == hullNone) &&
1807 (s == "add-hline-above" || s == "add-hline-below")) {
1808 status.message(bformat(
1809 from_utf8(N_("Can't add horizontal grid lines in '%1$s'")),
1811 status.setEnabled(false);
1814 if (s == "add-vline-left" || s == "add-vline-right") {
1815 status.message(bformat(
1816 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
1818 status.setEnabled(false);
1821 if (s == "valign-top" || s == "valign-middle"
1822 || s == "valign-bottom" || s == "align-left"
1823 || s == "align-center" || s == "align-right") {
1824 status.setEnabled(false);
1827 return InsetMathGrid::getStatus(cur, cmd, status);
1831 return InsetMathGrid::getStatus(cur, cmd, status);
1834 // This cannot really happen, but inserted to shut-up gcc
1835 return InsetMathGrid::getStatus(cur, cmd, status);
1839 /////////////////////////////////////////////////////////////////////
1843 // simply scrap this function if you want
1844 void InsetMathHull::mutateToText()
1847 // translate to latex
1849 latex(os, false, false);
1850 string str = os.str();
1853 Text * lt = view_->cursor().innerText();
1854 string::const_iterator cit = str.begin();
1855 string::const_iterator end = str.end();
1856 for (; cit != end; ++cit)
1857 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
1860 //dispatch(LFUN_ESCAPE);
1865 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
1866 docstring const & font)
1868 // this whole function is a hack and won't work for incremental font
1871 if (cur.inset().asInsetMath()->name() == font)
1872 cur.handleFont(to_utf8(font));
1874 cur.handleNest(createInsetMath(font, cur.buffer()));
1880 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
1885 font.fromString(to_utf8(arg), b);
1886 if (font.fontInfo().color() != Color_inherit) {
1887 MathAtom at = MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color()));
1888 cur.handleNest(at, 0);
1893 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
1896 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1897 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1898 enter_front ? idxFirst(cur) : idxLast(cur);
1899 // The inset formula dimension is not necessarily the same as the
1900 // one of the instant preview image, so we have to indicate to the
1901 // BufferView that a metrics update is needed.
1902 cur.screenUpdateFlags(Update::Force);
1906 void InsetMathHull::revealCodes(Cursor & cur) const
1908 if (!cur.inMathed())
1910 odocstringstream os;
1912 cur.message(os.str());
1914 // write something to the minibuffer
1915 // translate to latex
1919 string str = os.str();
1921 string::size_type pos = 0;
1923 for (string::iterator it = str.begin(); it != str.end(); ++it) {
1926 else if (*it == '\0') {
1928 pos = it - str.begin();
1934 res = res.substr(pos - 30);
1935 if (res.size() > 60)
1936 res = res.substr(0, 60);
1942 /////////////////////////////////////////////////////////////////////
1946 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
1949 // FIXME: completely broken
1950 static InsetMathHull * lastformula = 0;
1951 static CursorBase current = DocIterator(ibegin(nucleus()));
1953 static string laststr;
1955 if (lastformula != this || laststr != str) {
1956 //lyxerr << "reset lastformula to " << this << endl;
1959 current = ibegin(nucleus());
1961 mathed_parse_cell(ar, str, Parse::NORMAL, &buffer());
1965 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
1967 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
1968 CursorSlice & top = it.back();
1969 MathData const & a = top.asInsetMath()->cell(top.idx_);
1970 if (a.matchpart(ar, top.pos_)) {
1971 bv->cursor().setSelection(it, ar.size());
1973 top.pos_ += ar.size();
1979 //lyxerr << "not found!" << endl;
1986 void InsetMathHull::write(ostream & os) const
1988 odocstringstream oss;
1989 WriteStream wi(oss, false, false, WriteStream::wsDefault);
1992 os << to_utf8(oss.str());
1996 void InsetMathHull::read(Lexer & lex)
1999 mathed_parse_normal(buffer_, at, lex, Parse::TRACKMACRO);
2000 operator=(*at->asHullInset());
2004 bool InsetMathHull::readQuiet(Lexer & lex)
2007 bool success = mathed_parse_normal(buffer_, at, lex, Parse::QUIET);
2009 operator=(*at->asHullInset());
2014 int InsetMathHull::plaintext(odocstringstream & os,
2015 OutputParams const & op, size_t max_length) const
2017 // disables ASCII-art for export of equations. See #2275.
2018 if (0 && display()) {
2022 TextPainter tpain(dim.width(), dim.height());
2023 drawT(tpain, 0, dim.ascent());
2025 // reset metrics cache to "real" values
2027 return tpain.textheight();
2030 odocstringstream oss;
2031 Encoding const * const enc = encodings.fromLyXName("utf8");
2032 WriteStream wi(oss, false, true, WriteStream::wsDefault, enc);
2035 if (type_ == hullRegexp)
2038 for (row_type r = 0; r < nrows(); ++r) {
2039 for (col_type c = 0; c < ncols(); ++c)
2040 wi << (c == 0 ? "" : "\t") << cell(index(r, c));
2041 // if it's for the TOC, we write just the first line
2042 // and do not include the newline.
2043 if (op.for_toc || op.for_tooltip || oss.str().size() >= max_length)
2045 if (r < nrows() - 1)
2049 docstring const str = oss.str();
2055 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
2060 if (getType() == hullSimple)
2061 name = from_ascii("inlineequation");
2063 name = from_ascii("informalequation");
2065 docstring bname = name;
2066 if (!label(0).empty())
2067 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
2069 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
2071 odocstringstream ls;
2072 if (runparams.flavor == OutputParams::XML) {
2073 ms << MTag("alt role='tex' ");
2074 // Workaround for db2latex: db2latex always includes equations with
2075 // \ensuremath{} or \begin{display}\end{display}
2076 // so we strip LyX' math environment
2077 WriteStream wi(ls, false, false, WriteStream::wsDefault, runparams.encoding);
2078 InsetMathGrid::write(wi);
2079 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2084 InsetMathGrid::mathmlize(ms);
2089 otexstream ols(ls, texrow);
2090 ms << MTag("alt role='tex'");
2091 latex(ols, runparams);
2092 res = texrow.rows();
2093 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2097 ms << from_ascii("<graphic fileref=\"eqn/");
2098 if (!label(0).empty())
2099 ms << sgml::cleanID(buffer(), runparams, label(0));
2101 ms << sgml::uniqueID(from_ascii("anon"));
2103 if (runparams.flavor == OutputParams::XML)
2104 ms << from_ascii("\"/>");
2106 ms << from_ascii("\">");
2108 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
2110 return ms.line() + res;
2114 bool InsetMathHull::haveNumbers() const
2116 bool havenumbers = false;
2117 // inline formulas are never numbered (bug 7351 part 3)
2118 if (getType() == hullSimple)
2120 for (size_t i = 0; i != numbered_.size(); ++i) {
2131 // We need to do something about alignment here.
2133 // This duplicates code from InsetMathGrid, but
2134 // we need access here to number information,
2135 // and we simply do not have that in InsetMathGrid.
2136 void InsetMathHull::htmlize(HtmlStream & os) const
2138 bool const havenumbers = haveNumbers();
2139 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2142 os << cell(index(0, 0));
2146 os << MTag("table", "class='mathtable'");
2147 for (row_type row = 0; row < nrows(); ++row) {
2149 for (col_type col = 0; col < ncols(); ++col) {
2151 os << cell(index(row, col));
2156 docstring const & num = numbers_[row];
2158 os << '(' << num << ')';
2163 os << ETag("table");
2167 // this duplicates code from InsetMathGrid, but
2168 // we need access here to number information,
2169 // and we simply do not have that in InsetMathGrid.
2170 void InsetMathHull::mathmlize(MathStream & os) const
2172 bool const havenumbers = haveNumbers();
2173 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2176 os << MTag("mtable");
2177 char const * const celltag = havetable ? "mtd" : "mrow";
2178 // FIXME There does not seem to be wide support at the moment
2179 // for mlabeledtr, so we have to use just mtr for now.
2180 // char const * const rowtag = havenumbers ? "mlabeledtr" : "mtr";
2181 char const * const rowtag = "mtr";
2182 for (row_type row = 0; row < nrows(); ++row) {
2185 for (col_type col = 0; col < ncols(); ++col) {
2187 << cell(index(row, col))
2193 docstring const & num = numbers_[row];
2195 os << '(' << num << ')';
2202 os << ETag("mtable");
2206 void InsetMathHull::mathAsLatex(WriteStream & os) const
2208 MathEnsurer ensurer(os, false);
2209 bool havenumbers = haveNumbers();
2210 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2213 os << cell(index(0, 0));
2217 os << "<table class='mathtable'>";
2218 for (row_type row = 0; row < nrows(); ++row) {
2220 for (col_type col = 0; col < ncols(); ++col) {
2221 os << "<td class='math'>";
2222 os << cell(index(row, col));
2227 docstring const & num = numbers_[row];
2229 os << '(' << num << ')';
2238 docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
2240 BufferParams::MathOutput const mathtype =
2241 buffer().masterBuffer()->params().html_math_output;
2243 bool success = false;
2245 // we output all the labels just at the beginning of the equation.
2246 // this should be fine.
2247 for (size_t i = 0; i != label_.size(); ++i) {
2248 InsetLabel const * const il = label_[i];
2254 // FIXME Eventually we would like to do this inset by inset.
2255 if (mathtype == BufferParams::MathML) {
2256 odocstringstream os;
2261 } catch (MathExportException const &) {}
2263 if (getType() == hullSimple)
2264 xs << html::StartTag("math",
2265 "xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2267 xs << html::StartTag("math",
2268 "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2269 xs << XHTMLStream::ESCAPE_NONE
2271 << html::EndTag("math");
2273 } else if (mathtype == BufferParams::HTML) {
2274 odocstringstream os;
2279 } catch (MathExportException const &) {}
2281 string const tag = (getType() == hullSimple) ? "span" : "div";
2282 xs << html::StartTag(tag, "class='formula'", true)
2283 << XHTMLStream::ESCAPE_NONE
2285 << html::EndTag(tag);
2289 // what we actually want is this:
2291 // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
2293 // || mathtype == BufferParams::Images
2295 // but what follows is equivalent, since we'll enter only if either (a) we
2296 // tried and failed with MathML or HTML or (b) didn't try yet at all but
2297 // aren't doing LaTeX, in which case we are doing Images.
2298 if (!success && mathtype != BufferParams::LaTeX) {
2299 graphics::PreviewImage const * pimage = 0;
2301 loadPreview(docit_);
2302 pimage = preview_->getPreviewImage(buffer());
2303 // FIXME Do we always have png?
2306 if (pimage || op.dryrun) {
2307 string const filename = pimage ? pimage->filename().onlyFileName()
2308 : "previewimage.png";
2310 // if we are not in the master buffer, then we need to see that the
2311 // generated image is copied there; otherwise, preview fails.
2312 Buffer const * mbuf = buffer().masterBuffer();
2313 if (mbuf != &buffer()) {
2314 string mbtmp = mbuf->temppath();
2315 FileName const mbufimg(support::addName(mbtmp, filename));
2316 pimage->filename().copyTo(mbufimg);
2318 // add the file to the list of files to be exported
2319 op.exportdata->addExternalFile("xhtml", pimage->filename());
2322 string const tag = (getType() == hullSimple) ? "span" : "div";
2324 << html::StartTag(tag)
2325 << html::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
2326 << html::EndTag(tag)
2332 // so we'll pass this test if we've failed everything else, or
2333 // if mathtype was LaTeX, since we won't have entered any of the
2335 if (!success /* || mathtype != BufferParams::LaTeX */) {
2336 // Unfortunately, we cannot use latexString() because we do not want
2337 // $...$ or whatever.
2338 odocstringstream ls;
2339 WriteStream wi(ls, false, true, WriteStream::wsPreview);
2340 ModeSpecifier specifier(wi, MATH_MODE);
2342 docstring const latex = ls.str();
2344 // class='math' allows for use of jsMath
2345 // http://www.math.union.edu/~dpvc/jsMath/
2347 // probably should allow for some kind of customization here
2348 string const tag = (getType() == hullSimple) ? "span" : "div";
2349 xs << html::StartTag(tag, "class='math'")
2351 << html::EndTag(tag)
2358 void InsetMathHull::toString(odocstream & os) const
2360 odocstringstream ods;
2361 plaintext(ods, OutputParams(0));
2366 void InsetMathHull::forOutliner(docstring & os, size_t) const
2368 odocstringstream ods;
2376 string InsetMathHull::contextMenuName() const
2378 return "context-math";
2382 void InsetMathHull::recordLocation(DocIterator const & di)