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 "MathExtern.h"
18 #include "MathFactory.h"
19 #include "MathStream.h"
20 #include "MathSupport.h"
23 #include "BufferParams.h"
24 #include "BufferView.h"
26 #include "CutAndPaste.h"
29 #include "FuncRequest.h"
30 #include "FuncStatus.h"
31 #include "LaTeXFeatures.h"
33 #include "MacroTable.h"
34 #include "output_xhtml.h"
36 #include "TextPainter.h"
37 #include "TocBackend.h"
39 #include "insets/InsetLabel.h"
40 #include "insets/InsetRef.h"
41 #include "insets/RenderPreview.h"
43 #include "graphics/PreviewImage.h"
44 #include "graphics/PreviewLoader.h"
46 #include "frontends/Painter.h"
48 #include "support/lassert.h"
49 #include "support/debug.h"
50 #include "support/gettext.h"
51 #include "support/lstrings.h"
56 using namespace lyx::support;
60 using cap::grabAndEraseSelection;
64 int getCols(HullType type)
81 // returns position of first relation operator in the array
82 // used for "intelligent splitting"
83 size_t firstRelOp(MathData const & ar)
85 for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
87 return it - ar.begin();
92 char const * star(bool numbered)
94 return numbered ? "" : "*";
98 } // end anon namespace
101 HullType hullType(docstring const & s)
103 if (s == "none") return hullNone;
104 if (s == "simple") return hullSimple;
105 if (s == "equation") return hullEquation;
106 if (s == "eqnarray") return hullEqnArray;
107 if (s == "align") return hullAlign;
108 if (s == "alignat") return hullAlignAt;
109 if (s == "xalignat") return hullXAlignAt;
110 if (s == "xxalignat") return hullXXAlignAt;
111 if (s == "multline") return hullMultline;
112 if (s == "gather") return hullGather;
113 if (s == "flalign") return hullFlAlign;
114 if (s == "regexp") return hullRegexp;
115 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
120 docstring hullName(HullType type)
123 case hullNone: return from_ascii("none");
124 case hullSimple: return from_ascii("simple");
125 case hullEquation: return from_ascii("equation");
126 case hullEqnArray: return from_ascii("eqnarray");
127 case hullAlign: return from_ascii("align");
128 case hullAlignAt: return from_ascii("alignat");
129 case hullXAlignAt: return from_ascii("xalignat");
130 case hullXXAlignAt: return from_ascii("xxalignat");
131 case hullMultline: return from_ascii("multline");
132 case hullGather: return from_ascii("gather");
133 case hullFlAlign: return from_ascii("flalign");
134 case hullRegexp: return from_ascii("regexp");
136 lyxerr << "unknown hull type '" << type << "'" << endl;
137 return from_ascii("none");
141 static InsetLabel * dummy_pointer = 0;
143 InsetMathHull::InsetMathHull(Buffer * buf)
144 : InsetMathGrid(buf, 1, 1), type_(hullNone), nonum_(1, false),
145 label_(1, dummy_pointer), preview_(new RenderPreview(this))
147 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
148 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
149 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
150 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
157 InsetMathHull::InsetMathHull(Buffer * buf, HullType type)
158 : InsetMathGrid(buf, getCols(type), 1), type_(type), nonum_(1, false),
159 label_(1, dummy_pointer), preview_(new RenderPreview(this))
167 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid(other)
173 InsetMathHull::~InsetMathHull()
175 for (size_t i = 0; i < label_.size(); ++i)
180 Inset * InsetMathHull::clone() const
182 return new InsetMathHull(*this);
186 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
190 InsetMathGrid::operator=(other);
192 nonum_ = other.nonum_;
193 buffer_ = other.buffer_;
194 for (size_t i = 0; i < label_.size(); ++i)
196 label_ = other.label_;
197 for (size_t i = 0; i != label_.size(); ++i) {
199 label_[i] = new InsetLabel(*label_[i]);
201 preview_.reset(new RenderPreview(*other.preview_, this));
207 void InsetMathHull::setBuffer(Buffer & buffer)
209 InsetMathGrid::setBuffer(buffer);
211 for (size_t i = 0; i != label_.size(); ++i) {
213 label_[i]->setBuffer(buffer);
218 void InsetMathHull::updateBuffer(ParIterator const & it, UpdateType utype)
221 //FIXME: buffer_ should be set at creation for this inset! Problem is
222 // This inset is created at too many places (see Parser::parse1() in
226 for (size_t i = 0; i != label_.size(); ++i) {
228 label_[i]->updateBuffer(it, utype);
231 InsetMathGrid::updateBuffer(it, utype);
235 void InsetMathHull::addToToc(DocIterator const & pit)
238 //FIXME: buffer_ should be set at creation for this inset! Problem is
239 // This inset is created at too many places (see Parser::parse1() in
244 Toc & toc = buffer().tocBackend().toc("equation");
246 for (row_type row = 0; row != nrows(); ++row) {
250 label_[row]->addToToc(pit);
251 toc.push_back(TocItem(pit, 0, nicelabel(row)));
256 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
262 return InsetMathNest::editXY(cur, x, y);
266 InsetMath::mode_type InsetMathHull::currentMode() const
268 if (type_ == hullNone)
269 return UNDECIDED_MODE;
270 // definitely math mode ...
275 bool InsetMathHull::idxFirst(Cursor & cur) const
283 bool InsetMathHull::idxLast(Cursor & cur) const
285 cur.idx() = nargs() - 1;
286 cur.pos() = cur.lastpos();
291 char InsetMathHull::defaultColAlign(col_type col)
293 if (type_ == hullEqnArray)
295 if (type_ == hullGather)
297 if (type_ >= hullAlign)
298 return "rl"[col & 1];
303 int InsetMathHull::defaultColSpace(col_type col)
305 if (type_ == hullAlign || type_ == hullAlignAt)
307 if (type_ == hullXAlignAt)
308 return (col & 1) ? 20 : 0;
309 if (type_ == hullXXAlignAt || type_ == hullFlAlign)
310 return (col & 1) ? 40 : 0;
315 docstring InsetMathHull::standardFont() const
320 font_name = from_ascii("texttt");
323 font_name = from_ascii("lyxnochange");
326 font_name = from_ascii("mathnormal");
332 ColorCode InsetMathHull::standardColor() const
338 color = Color_foreground;
347 bool InsetMathHull::previewState(BufferView * bv) const
349 if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
350 graphics::PreviewImage const * pimage =
351 preview_->getPreviewImage(bv->buffer());
352 return pimage && pimage->image();
358 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
360 if (previewState(mi.base.bv)) {
361 preview_->metrics(mi, dim);
362 // insert a one pixel gap in front of the formula
365 dim.des += displayMargin();
366 // Cache the inset dimension.
367 setDimCache(mi, dim);
371 FontSetChanger dummy1(mi.base, standardFont());
372 StyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
374 // let the cells adjust themselves
375 InsetMathGrid::metrics(mi, dim);
378 dim.asc += displayMargin();
379 dim.des += displayMargin();
382 if (numberedType()) {
383 FontSetChanger dummy(mi.base, from_ascii("mathbf"));
385 for (row_type row = 0; row < nrows(); ++row)
386 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
392 // make it at least as high as the current font
395 math_font_max_dim(mi.base.font, asc, des);
396 dim.asc = max(dim.asc, asc);
397 dim.des = max(dim.des, des);
398 // Cache the inset dimension.
399 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
400 setDimCache(mi, dim);
404 ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
406 if (previewState(pi.base.bv))
407 return graphics::PreviewLoader::backgroundColor();
412 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
414 Dimension const dim = dimension(*pi.base.bv);
415 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
416 dim.asc + dim.des - 1, pi.backgroundColor(this));
420 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
422 use_preview_ = previewState(pi.base.bv);
424 if (type_ == hullRegexp) {
425 Dimension const dim = dimension(*pi.base.bv);
426 pi.pain.rectangle(x + 1, y - dim.ascent() + 1,
427 dim.width() - 2, dim.height() - 2, Color_regexpframe);
430 // one pixel gap in front
431 preview_->draw(pi, x + 1, y);
432 setPosCache(pi, x, y);
436 bool const really_change_color = pi.base.font.color() == Color_none;
437 ColorChanger dummy0(pi.base.font, standardColor(), really_change_color);
438 FontSetChanger dummy1(pi.base, standardFont());
439 StyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
441 InsetMathGrid::draw(pi, x + 1, y);
443 if (numberedType()) {
444 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
445 for (row_type row = 0; row < nrows(); ++row) {
446 int const yy = y + rowinfo_[row].offset_;
447 FontSetChanger dummy(pi.base, from_ascii("mathrm"));
448 docstring const nl = nicelabel(row);
452 setPosCache(pi, x, y);
456 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
459 InsetMathGrid::metricsT(mi, dim);
462 WriteStream wi(os, false, true, WriteStream::wsDefault);
464 dim.wid = os.str().size();
471 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
474 InsetMathGrid::drawT(pain, x, y);
477 WriteStream wi(os, false, true, WriteStream::wsDefault);
479 pain.draw(x, y, os.str().c_str());
484 static docstring latexString(InsetMathHull const & inset)
487 // This has to be static, because a preview snippet or a math
488 // macro containing math in text mode (such as $\text{$\phi$}$ or
489 // \newcommand{\xxx}{\text{$\phi$}}) gets processed twice. The
490 // first time as a whole, and the second time only the inner math.
491 // In this last case inset.buffer() would be invalid.
492 static Encoding const * encoding = 0;
493 if (inset.isBufferValid())
494 encoding = &(inset.buffer().params().encoding());
495 WriteStream wi(ls, false, true, WriteStream::wsPreview, encoding);
501 void InsetMathHull::initUnicodeMath() const
503 // Trigger classification of the unicode symbols in this inset
504 docstring const dummy = latexString(*this);
508 void InsetMathHull::addPreview(DocIterator const & inset_pos,
509 graphics::PreviewLoader & /*ploader*/) const
511 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
512 preparePreview(inset_pos);
517 void InsetMathHull::preparePreview(DocIterator const & pos,
518 bool forexport) const
520 // there is no need to do all the macro stuff if we're not
521 // actually going to generate the preview.
522 if (RenderPreview::status() != LyXRC::PREVIEW_ON && !forexport)
525 Buffer const * buffer = pos.buffer();
527 // collect macros at this position
529 buffer->listMacroNames(macros);
530 MacroNameSet::iterator it = macros.begin();
531 MacroNameSet::iterator end = macros.end();
532 odocstringstream macro_preamble;
533 for (; it != end; ++it) {
534 MacroData const * data = buffer->getMacro(*it, pos, true);
536 data->write(macro_preamble, true);
537 macro_preamble << endl;
541 docstring const snippet = macro_preamble.str() + latexString(*this);
542 LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
543 preview_->addPreview(snippet, *buffer, forexport);
547 void InsetMathHull::reloadPreview(DocIterator const & pos) const
550 preview_->startLoading(*pos.buffer());
554 void InsetMathHull::loadPreview(DocIterator const & pos) const
556 bool const forexport = true;
557 preparePreview(pos, forexport);
558 preview_->startLoading(*pos.buffer(), forexport);
562 bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
564 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
566 cur.screenUpdateFlags(Update::Force);
572 docstring InsetMathHull::label(row_type row) const
574 LASSERT(row < nrows(), /**/);
575 if (InsetLabel * il = label_[row])
576 return il->screenLabel();
581 void InsetMathHull::label(row_type row, docstring const & label)
583 //lyxerr << "setting label '" << label << "' for row " << row << endl;
587 label_[row] = dummy_pointer;
590 label_[row]->updateCommand(label);
592 label_[row]->setParam("name", label);
596 InsetCommandParams p(LABEL_CODE);
598 label_[row] = new InsetLabel(buffer_, p);
600 label_[row]->setBuffer(buffer());
604 void InsetMathHull::numbered(row_type row, bool num)
607 if (nonum_[row] && label_[row]) {
614 bool InsetMathHull::numbered(row_type row) const
620 bool InsetMathHull::ams() const
622 return type_ == hullAlign
623 || type_ == hullFlAlign
624 || type_ == hullMultline
625 || type_ == hullGather
626 || type_ == hullAlignAt
627 || type_ == hullXAlignAt
628 || type_ == hullXXAlignAt;
632 Inset::DisplayType InsetMathHull::display() const
634 if (type_ == hullSimple || type_ == hullNone || type_ == hullRegexp)
639 bool InsetMathHull::numberedType() const
641 if (type_ == hullNone)
643 if (type_ == hullSimple)
645 if (type_ == hullXXAlignAt)
647 if (type_ == hullRegexp)
649 for (row_type row = 0; row < nrows(); ++row)
656 void InsetMathHull::validate(LaTeXFeatures & features) const
658 if (features.runparams().isLaTeX()) {
660 features.require("amsmath");
662 if (type_ == hullRegexp) {
663 features.require("color");
664 string frcol = lcolor.getLaTeXName(Color_regexpframe);
665 string bgcol = "white";
666 features.addPreambleSnippet(
667 string("\\newcommand{\\regexp}[1]{\\fcolorbox{")
668 + frcol + string("}{")
669 + bgcol + string("}{\\texttt{#1}}}"));
672 // Validation is necessary only if not using AMS math.
673 // To be safe, we will always run mathedvalidate.
674 //if (features.amsstyle)
677 //features.binom = true;
678 } else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
679 // it would be better to do this elsewhere, but we can't validate in
680 // InsetMathMatrix and we have no way, outside MathExtern, to know if
681 // we even have any matrices.
682 features.addPreambleSnippet("<style type=\"text/css\">\n"
683 "table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
684 "table.matrix td{padding: 0.25px;}\n"
685 "td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
686 "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}\n"
689 InsetMathGrid::validate(features);
693 void InsetMathHull::header_write(WriteStream & os) const
695 bool n = numberedType();
709 os << "\\begin{equation" << star(n) << "}\n";
719 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
724 os << "\\begin{" << hullName(type_) << star(n) << '}'
725 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
729 os << "\\begin{" << hullName(type_) << '}'
730 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
738 os << "\\begin{unknown" << star(n) << '}';
744 void InsetMathHull::footer_write(WriteStream & os) const
746 bool n = numberedType();
759 os << "\\end{equation" << star(n) << "}\n";
771 os << "\\end{" << hullName(type_) << star(n) << "}\n";
775 os << "\\end{" << hullName(type_) << "}\n";
783 os << "\\end{unknown" << star(n) << '}';
789 bool InsetMathHull::rowChangeOK() const
792 type_ == hullEqnArray || type_ == hullAlign ||
793 type_ == hullFlAlign || type_ == hullAlignAt ||
794 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
795 type_ == hullGather || type_ == hullMultline;
799 bool InsetMathHull::colChangeOK() const
802 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
803 type_ == hullXAlignAt || type_ == hullXXAlignAt;
807 void InsetMathHull::addRow(row_type row)
812 bool numbered = numberedType();
814 if (type_ == hullMultline) {
815 if (row + 1 == nrows()) {
822 nonum_.insert(nonum_.begin() + row + 1, !numbered);
823 label_.insert(label_.begin() + row + 1, dummy_pointer);
826 InsetMathGrid::addRow(row);
830 void InsetMathHull::swapRow(row_type row)
834 if (row + 1 == nrows())
836 // gcc implements the standard std::vector<bool> which is *not* a container:
837 // http://www.gotw.ca/publications/N1185.pdf
838 // As a results, it doesn't like this:
839 // swap(nonum_[row], nonum_[row + 1]);
840 // so we do it manually:
841 bool const b = nonum_[row];
842 nonum_[row] = nonum_[row + 1];
844 swap(label_[row], label_[row + 1]);
845 InsetMathGrid::swapRow(row);
849 void InsetMathHull::delRow(row_type row)
851 if (nrows() <= 1 || !rowChangeOK())
853 if (row + 1 == nrows() && type_ == hullMultline) {
854 bool const b = nonum_[row - 1];
855 nonum_[row - 1] = nonum_[row];
857 swap(label_[row - 1], label_[row]);
858 InsetMathGrid::delRow(row);
861 InsetMathGrid::delRow(row);
862 // The last dummy row has no number info nor a label.
863 // Test nrows() + 1 because we have already erased the row.
864 if (row == nrows() + 1)
866 nonum_.erase(nonum_.begin() + row);
868 label_.erase(label_.begin() + row);
872 void InsetMathHull::addCol(col_type col)
876 InsetMathGrid::addCol(col);
880 void InsetMathHull::delCol(col_type col)
882 if (ncols() <= 1 || !colChangeOK())
884 InsetMathGrid::delCol(col);
888 docstring InsetMathHull::nicelabel(row_type row) const
893 return from_ascii("(#)");
894 return '(' + label_[row]->screenLabel() + from_ascii(", #)");
898 void InsetMathHull::glueall(HullType type)
901 for (idx_type i = 0; i < nargs(); ++i)
903 InsetLabel * label = 0;
904 if (type == hullEquation) {
905 // preserve first non-empty label
906 for (row_type row = 0; row < nrows(); ++row) {
914 *this = InsetMathHull(buffer_, hullSimple);
922 void InsetMathHull::splitTo2Cols()
924 LASSERT(ncols() == 1, /**/);
925 InsetMathGrid::addCol(1);
926 for (row_type row = 0; row < nrows(); ++row) {
927 idx_type const i = 2 * row;
928 pos_type pos = firstRelOp(cell(i));
929 cell(i + 1) = MathData(buffer_, cell(i).begin() + pos, cell(i).end());
930 cell(i).erase(pos, cell(i).size());
935 void InsetMathHull::splitTo3Cols()
937 LASSERT(ncols() < 3, /**/);
940 InsetMathGrid::addCol(2);
941 for (row_type row = 0; row < nrows(); ++row) {
942 idx_type const i = 3 * row + 1;
943 if (cell(i).size()) {
944 cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
945 cell(i).erase(1, cell(i).size());
951 void InsetMathHull::changeCols(col_type cols)
955 else if (ncols() < cols) {
961 while (ncols() < cols)
962 InsetMathGrid::addCol(ncols());
968 for (row_type row = 0; row < nrows(); ++row) {
969 idx_type const i = row * ncols();
970 for (col_type col = cols; col < ncols(); ++col) {
971 cell(i + cols - 1).append(cell(i + col));
975 while (ncols() > cols) {
976 InsetMathGrid::delCol(ncols() - 1);
981 HullType InsetMathHull::getType() const
987 void InsetMathHull::setType(HullType type)
994 void InsetMathHull::mutate(HullType newtype)
996 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
998 // we try to move along the chain
999 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
1001 // +-------------------------------------+
1002 // we use eqnarray as intermediate type for mutations that are not
1003 // directly supported because it handles labels and numbering for
1006 if (newtype == type_) {
1010 else if (newtype < hullNone) {
1015 else if (type_ == hullNone) {
1016 setType(hullSimple);
1021 else if (type_ == hullSimple) {
1022 if (newtype == hullNone) {
1026 setType(hullEquation);
1031 else if (type_ == hullEquation) {
1032 if (newtype < type_) {
1033 setType(hullSimple);
1036 } else if (newtype == hullEqnArray) {
1037 // split it "nicely" on the first relop
1039 setType(hullEqnArray);
1040 } else if (newtype == hullMultline || newtype == hullGather) {
1043 // split it "nicely"
1050 else if (type_ == hullEqnArray) {
1051 if (newtype < type_) {
1054 } else { // align & Co.
1061 else if (type_ == hullAlign || type_ == hullAlignAt ||
1062 type_ == hullXAlignAt || type_ == hullFlAlign) {
1063 if (newtype < hullAlign) {
1065 setType(hullEqnArray);
1067 } else if (newtype == hullGather || newtype == hullMultline) {
1070 } else if (newtype == hullXXAlignAt) {
1071 for (row_type row = 0; row < nrows(); ++row)
1072 numbered(row, false);
1079 else if (type_ == hullXXAlignAt) {
1080 for (row_type row = 0; row < nrows(); ++row)
1081 numbered(row, false);
1082 if (newtype < hullAlign) {
1084 setType(hullEqnArray);
1086 } else if (newtype == hullGather || newtype == hullMultline) {
1094 else if (type_ == hullMultline || type_ == hullGather) {
1095 if (newtype == hullGather || newtype == hullMultline)
1097 else if (newtype == hullAlign || newtype == hullFlAlign ||
1098 newtype == hullAlignAt || newtype == hullXAlignAt) {
1101 } else if (newtype == hullXXAlignAt) {
1103 for (row_type row = 0; row < nrows(); ++row)
1104 numbered(row, false);
1108 setType(hullEqnArray);
1114 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1115 << "' to '" << to_utf8(hullName(newtype))
1116 << "' not implemented" << endl;
1121 docstring InsetMathHull::eolString(row_type row, bool fragile, bool last_eoln) const
1124 if (numberedType()) {
1125 if (label_[row] && !nonum_[row])
1127 escape(label_[row]->getParam("name")) + '}';
1128 if (nonum_[row] && (type_ != hullMultline))
1129 res += "\\nonumber ";
1131 // Never add \\ on the last empty line of eqnarray and friends
1133 return res + InsetMathGrid::eolString(row, fragile, last_eoln);
1137 void InsetMathHull::write(WriteStream & os) const
1139 ModeSpecifier specifier(os, MATH_MODE);
1141 InsetMathGrid::write(os);
1146 void InsetMathHull::normalize(NormalStream & os) const
1148 os << "[formula " << hullName(type_) << ' ';
1149 InsetMathGrid::normalize(os);
1154 void InsetMathHull::mathmlize(MathStream & os) const
1156 InsetMathGrid::mathmlize(os);
1160 void InsetMathHull::infoize(odocstream & os) const
1162 os << "Type: " << hullName(type_);
1166 void InsetMathHull::check() const
1168 LASSERT(nonum_.size() == nrows(), /**/);
1169 LASSERT(label_.size() == nrows(), /**/);
1173 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1177 idocstringstream iss(func.argument());
1178 iss >> dlang >> extra;
1180 extra = from_ascii("noextra");
1181 string const lang = to_ascii(dlang);
1183 // FIXME: temporarily disabled
1184 //if (cur.selection()) {
1187 // lyxerr << "use selection: " << ar << endl;
1188 // insert(pipeThroughExtern(lang, extra, ar));
1193 eq.push_back(MathAtom(new InsetMathChar('=')));
1195 // go to first item in line
1196 cur.idx() -= cur.idx() % ncols();
1199 if (getType() == hullSimple) {
1200 size_type pos = cur.cell().find_last(eq);
1202 if (cur.inMathed() && cur.selection()) {
1203 asArray(grabAndEraseSelection(cur), ar);
1204 } else if (pos == cur.cell().size()) {
1206 lyxerr << "use whole cell: " << ar << endl;
1208 ar = MathData(buffer_, cur.cell().begin() + pos + 1, cur.cell().end());
1209 lyxerr << "use partial cell form pos: " << pos << endl;
1211 cur.cell().append(eq);
1212 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1213 cur.pos() = cur.lastpos();
1217 if (getType() == hullEquation) {
1218 lyxerr << "use equation inset" << endl;
1219 mutate(hullEqnArray);
1220 MathData & ar = cur.cell();
1221 lyxerr << "use cell: " << ar << endl;
1225 cur.cell() = pipeThroughExtern(lang, extra, ar);
1226 // move to end of line
1227 cur.pos() = cur.lastpos();
1232 lyxerr << "use eqnarray" << endl;
1233 cur.idx() += 2 - cur.idx() % ncols();
1235 MathData ar = cur.cell();
1236 lyxerr << "use cell: " << ar << endl;
1237 // FIXME: temporarily disabled
1243 cur.cell() = pipeThroughExtern(lang, extra, ar);
1244 cur.pos() = cur.lastpos();
1249 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1251 //lyxerr << "action: " << cmd.action() << endl;
1252 switch (cmd.action()) {
1254 case LFUN_FINISHED_BACKWARD:
1255 case LFUN_FINISHED_FORWARD:
1256 case LFUN_FINISHED_RIGHT:
1257 case LFUN_FINISHED_LEFT:
1258 //lyxerr << "action: " << cmd.action() << endl;
1259 InsetMathGrid::doDispatch(cur, cmd);
1263 case LFUN_BREAK_PARAGRAPH:
1264 // just swallow this
1267 case LFUN_NEWLINE_INSERT:
1268 // some magic for the common case
1269 if (type_ == hullSimple || type_ == hullEquation) {
1270 cur.recordUndoInset();
1272 cur.bv().buffer().params().use_amsmath == BufferParams::package_on;
1273 mutate(align ? hullAlign : hullEqnArray);
1274 // mutate() may change labels and such.
1275 cur.forceBufferUpdate();
1276 cur.idx() = nrows() * ncols() - 1;
1277 cur.pos() = cur.lastpos();
1279 InsetMathGrid::doDispatch(cur, cmd);
1282 case LFUN_MATH_NUMBER_TOGGLE: {
1283 //lyxerr << "toggling all numbers" << endl;
1284 cur.recordUndoInset();
1285 bool old = numberedType();
1286 if (type_ == hullMultline)
1287 numbered(nrows() - 1, !old);
1289 for (row_type row = 0; row < nrows(); ++row)
1290 numbered(row, !old);
1292 cur.message(old ? _("No number") : _("Number"));
1293 cur.forceBufferUpdate();
1297 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1298 cur.recordUndoInset();
1299 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1300 bool old = numbered(r);
1301 cur.message(old ? _("No number") : _("Number"));
1303 cur.forceBufferUpdate();
1307 case LFUN_LABEL_INSERT: {
1308 cur.recordUndoInset();
1309 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1310 docstring old_label = label(r);
1312 // Allow customization of this separator
1313 docstring const default_label = from_ascii("eq:");
1314 if (old_label.empty())
1315 old_label = default_label;
1317 InsetCommandParams p(LABEL_CODE);
1318 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1319 string const data = InsetCommand::params2string("label", p);
1321 if (cmd.argument().empty())
1322 cur.bv().showDialog("label", data);
1324 FuncRequest fr(LFUN_INSET_INSERT, data);
1330 case LFUN_LABEL_COPY_AS_REF: {
1332 if (cmd.argument().empty() && &cur.inset() == this)
1333 // if there is no argument and we're inside math, we retrieve
1334 // the row number from the cursor position.
1335 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1337 // if there is an argument, find the corresponding label, else
1338 // check whether there is at least one label.
1339 for (row = 0; row != nrows(); ++row)
1340 if (!nonum_[row] && label_[row]
1341 && (cmd.argument().empty() || label(row) == cmd.argument()))
1348 InsetCommandParams p(REF_CODE, "ref");
1349 p["reference"] = label(row);
1350 cap::clearSelection();
1351 cap::copyInset(cur, new InsetRef(buffer_, p), label(row));
1355 case LFUN_WORD_DELETE_FORWARD:
1356 case LFUN_CHAR_DELETE_FORWARD:
1357 if (col(cur.idx()) + 1 == ncols()
1358 && cur.pos() == cur.lastpos()
1359 && !cur.selection()) {
1360 if (!label(row(cur.idx())).empty()) {
1361 cur.recordUndoInset();
1362 label(row(cur.idx()), docstring());
1363 } else if (numbered(row(cur.idx()))) {
1364 cur.recordUndoInset();
1365 numbered(row(cur.idx()), false);
1366 cur.forceBufferUpdate();
1368 InsetMathGrid::doDispatch(cur, cmd);
1372 InsetMathGrid::doDispatch(cur, cmd);
1377 case LFUN_INSET_INSERT: {
1378 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1379 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1380 string const name = cmd.getArg(0);
1381 if (name == "label") {
1382 InsetCommandParams p(LABEL_CODE);
1383 InsetCommand::string2params(name, to_utf8(cmd.argument()), p);
1384 docstring str = p["name"];
1385 cur.recordUndoInset();
1386 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1390 docstring old = label(r);
1393 // The label will take care of the reference update.
1397 // Newly created inset so initialize it.
1398 label_[r]->initView();
1401 cur.forceBufferUpdate();
1404 InsetMathGrid::doDispatch(cur, cmd);
1408 case LFUN_MATH_EXTERN:
1409 cur.recordUndoInset();
1413 case LFUN_MATH_MUTATE: {
1414 cur.recordUndoInset();
1415 row_type row = cur.row();
1416 col_type col = cur.col();
1417 mutate(hullType(cmd.argument()));
1418 cur.idx() = row * ncols() + col;
1419 if (cur.idx() > cur.lastidx()) {
1420 cur.idx() = cur.lastidx();
1421 cur.pos() = cur.lastpos();
1423 if (cur.pos() > cur.lastpos())
1424 cur.pos() = cur.lastpos();
1426 cur.forceBufferUpdate();
1427 // FIXME: find some more clever handling of the selection,
1428 // i.e. preserve it.
1429 cur.clearSelection();
1430 //cur.dispatched(FINISHED);
1434 case LFUN_MATH_DISPLAY: {
1435 cur.recordUndoInset();
1436 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1438 cur.pos() = cur.lastpos();
1439 //cur.dispatched(FINISHED);
1444 InsetMathGrid::doDispatch(cur, cmd);
1450 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1451 FuncStatus & status) const
1453 switch (cmd.action()) {
1454 case LFUN_FINISHED_BACKWARD:
1455 case LFUN_FINISHED_FORWARD:
1456 case LFUN_FINISHED_RIGHT:
1457 case LFUN_FINISHED_LEFT:
1460 case LFUN_NEWLINE_INSERT:
1461 case LFUN_MATH_EXTERN:
1462 case LFUN_MATH_DISPLAY:
1464 status.setEnabled(true);
1467 case LFUN_MATH_MUTATE: {
1468 HullType ht = hullType(cmd.argument());
1469 status.setOnOff(type_ == ht);
1470 status.setEnabled(true);
1474 case LFUN_MATH_NUMBER_TOGGLE:
1475 // FIXME: what is the right test, this or the one of
1477 status.setEnabled(display() != Inline);
1478 status.setOnOff(numberedType());
1481 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1482 // FIXME: what is the right test, this or the one of
1484 bool const enable = (type_ == hullMultline)
1485 ? (nrows() - 1 == cur.row())
1486 : display() != Inline && nrows() > 1;
1487 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1488 status.setEnabled(enable);
1489 status.setOnOff(enable && numbered(r));
1493 case LFUN_LABEL_INSERT:
1494 status.setEnabled(type_ != hullSimple);
1497 case LFUN_LABEL_COPY_AS_REF: {
1498 bool enabled = false;
1500 if (cmd.argument().empty() && &cur.inset() == this) {
1501 // if there is no argument and we're inside math, we retrieve
1502 // the row number from the cursor position.
1503 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1504 enabled = numberedType() && label_[row] && !nonum_[row];
1506 // if there is an argument, find the corresponding label, else
1507 // check whether there is at least one label.
1508 for (row_type row = 0; row != nrows(); ++row) {
1509 if (!nonum_[row] && label_[row] &&
1510 (cmd.argument().empty() || label(row) == cmd.argument())) {
1516 status.setEnabled(enabled);
1520 case LFUN_INSET_INSERT:
1521 if (cmd.getArg(0) == "label") {
1522 status.setEnabled(type_ != hullSimple);
1525 return InsetMathGrid::getStatus(cur, cmd, status);
1527 case LFUN_INSET_MODIFY: {
1528 istringstream is(to_utf8(cmd.argument()));
1532 return InsetMathGrid::getStatus(cur, cmd, status);
1535 && (s == "append-row"
1536 || s == "delete-row"
1537 || s == "copy-row")) {
1538 status.message(bformat(
1539 from_utf8(N_("Can't change number of rows in '%1$s'")),
1541 status.setEnabled(false);
1545 && (s == "append-column"
1546 || s == "delete-column"
1547 || s == "copy-column")) {
1548 status.message(bformat(
1549 from_utf8(N_("Can't change number of columns in '%1$s'")),
1551 status.setEnabled(false);
1554 if ((type_ == hullSimple
1555 || type_ == hullEquation
1556 || type_ == hullNone) &&
1557 (s == "add-hline-above" || s == "add-hline-below")) {
1558 status.message(bformat(
1559 from_utf8(N_("Can't add horizontal grid lines in '%1$s'")),
1561 status.setEnabled(false);
1564 if (s == "add-vline-left" || s == "add-vline-right") {
1565 status.message(bformat(
1566 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
1568 status.setEnabled(false);
1571 if (s == "valign-top" || s == "valign-middle"
1572 || s == "valign-bottom" || s == "align-left"
1573 || s == "align-center" || s == "align-right") {
1574 status.setEnabled(false);
1577 return InsetMathGrid::getStatus(cur, cmd, status);
1581 return InsetMathGrid::getStatus(cur, cmd, status);
1584 // This cannot really happen, but inserted to shut-up gcc
1585 return InsetMathGrid::getStatus(cur, cmd, status);
1589 /////////////////////////////////////////////////////////////////////
1593 // simply scrap this function if you want
1594 void InsetMathHull::mutateToText()
1597 // translate to latex
1599 latex(os, false, false);
1600 string str = os.str();
1603 Text * lt = view_->cursor().innerText();
1604 string::const_iterator cit = str.begin();
1605 string::const_iterator end = str.end();
1606 for (; cit != end; ++cit)
1607 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
1610 //dispatch(LFUN_ESCAPE);
1615 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
1616 docstring const & font)
1618 // this whole function is a hack and won't work for incremental font
1621 if (cur.inset().asInsetMath()->name() == font)
1622 cur.handleFont(to_utf8(font));
1624 cur.handleNest(createInsetMath(font, cur.buffer()));
1630 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
1635 font.fromString(to_utf8(arg), b);
1636 if (font.fontInfo().color() != Color_inherit) {
1637 MathAtom at = MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color()));
1638 cur.handleNest(at, 0);
1643 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
1646 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1647 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1648 enter_front ? idxFirst(cur) : idxLast(cur);
1649 // The inset formula dimension is not necessarily the same as the
1650 // one of the instant preview image, so we have to indicate to the
1651 // BufferView that a metrics update is needed.
1652 cur.screenUpdateFlags(Update::Force);
1656 void InsetMathHull::revealCodes(Cursor & cur) const
1658 if (!cur.inMathed())
1660 odocstringstream os;
1662 cur.message(os.str());
1664 // write something to the minibuffer
1665 // translate to latex
1669 string str = os.str();
1671 string::size_type pos = 0;
1673 for (string::iterator it = str.begin(); it != str.end(); ++it) {
1676 else if (*it == '\0') {
1678 pos = it - str.begin();
1684 res = res.substr(pos - 30);
1685 if (res.size() > 60)
1686 res = res.substr(0, 60);
1692 /////////////////////////////////////////////////////////////////////
1696 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
1699 // FIXME: completely broken
1700 static InsetMathHull * lastformula = 0;
1701 static CursorBase current = DocIterator(ibegin(nucleus()));
1703 static string laststr;
1705 if (lastformula != this || laststr != str) {
1706 //lyxerr << "reset lastformula to " << this << endl;
1709 current = ibegin(nucleus());
1711 mathed_parse_cell(ar, str, Parse::NORMAL, &buffer());
1715 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
1717 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
1718 CursorSlice & top = it.back();
1719 MathData const & a = top.asInsetMath()->cell(top.idx_);
1720 if (a.matchpart(ar, top.pos_)) {
1721 bv->cursor().setSelection(it, ar.size());
1723 top.pos_ += ar.size();
1729 //lyxerr << "not found!" << endl;
1736 void InsetMathHull::write(ostream & os) const
1738 odocstringstream oss;
1739 WriteStream wi(oss, false, false, WriteStream::wsDefault);
1742 os << to_utf8(oss.str());
1746 void InsetMathHull::read(Lexer & lex)
1749 mathed_parse_normal(buffer_, at, lex, Parse::TRACKMACRO);
1750 operator=(*at->asHullInset());
1754 bool InsetMathHull::readQuiet(Lexer & lex)
1757 bool success = mathed_parse_normal(buffer_, at, lex, Parse::QUIET);
1759 operator=(*at->asHullInset());
1764 int InsetMathHull::plaintext(odocstream & os, OutputParams const &) const
1766 // disables ASCII-art for export of equations. See #2275.
1767 if (0 && display()) {
1771 TextPainter tpain(dim.width(), dim.height());
1772 drawT(tpain, 0, dim.ascent());
1774 // reset metrics cache to "real" values
1776 return tpain.textheight();
1778 odocstringstream oss;
1779 Encoding const * const enc = encodings.fromLyXName("utf8");
1780 WriteStream wi(oss, false, true, WriteStream::wsDefault, enc);
1782 if (type_ == hullRegexp)
1786 docstring const str = oss.str();
1793 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
1798 if (getType() == hullSimple)
1799 name = from_ascii("inlineequation");
1801 name = from_ascii("informalequation");
1803 docstring bname = name;
1804 if (!label(0).empty())
1805 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
1807 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
1809 odocstringstream ls;
1810 if (runparams.flavor == OutputParams::XML) {
1811 ms << MTag("alt role='tex' ");
1812 // Workaround for db2latex: db2latex always includes equations with
1813 // \ensuremath{} or \begin{display}\end{display}
1814 // so we strip LyX' math environment
1815 WriteStream wi(ls, false, false, WriteStream::wsDefault, runparams.encoding);
1816 InsetMathGrid::write(wi);
1817 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1822 InsetMathGrid::mathmlize(ms);
1825 ms << MTag("alt role='tex'");
1826 res = latex(ls, runparams);
1827 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1831 ms << from_ascii("<graphic fileref=\"eqn/");
1832 if (!label(0).empty())
1833 ms << sgml::cleanID(buffer(), runparams, label(0));
1835 ms << sgml::uniqueID(from_ascii("anon"));
1837 if (runparams.flavor == OutputParams::XML)
1838 ms << from_ascii("\"/>");
1840 ms << from_ascii("\">");
1842 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
1844 return ms.line() + res;
1848 docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
1850 BufferParams::MathOutput const mathtype =
1851 buffer().params().html_math_output;
1853 bool success = false;
1854 // FIXME Eventually we would like to do this inset by inset.
1855 if (mathtype == BufferParams::MathML) {
1856 odocstringstream os;
1859 InsetMathGrid::mathmlize(ms);
1861 } catch (MathExportException const &) {}
1863 if (getType() == hullSimple)
1864 xs << html::StartTag("math",
1865 "xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
1867 xs << html::StartTag("math",
1868 "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
1869 xs << XHTMLStream::NextRaw()
1871 << html::EndTag("math");
1873 } else if (mathtype == BufferParams::HTML) {
1874 odocstringstream os;
1877 InsetMathGrid::htmlize(ms);
1879 } catch (MathExportException const &) {}
1881 string const tag = (getType() == hullSimple) ? "span" : "div";
1882 xs << html::StartTag(tag, "class='formula'", true)
1883 << XHTMLStream::NextRaw()
1885 << html::EndTag(tag);
1889 // what we actually want is this:
1891 // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
1893 // || mathtype == BufferParams::Images
1895 // but what follows is equivalent, since we'll enter only if either (a) we
1896 // tried and failed with MathML or HTML or (b) didn't try yet at all but
1897 // aren't doing LaTeX, in which case we are doing Images.
1898 if (!success && mathtype != BufferParams::LaTeX) {
1899 loadPreview(docit_);
1900 graphics::PreviewImage const * pimage = preview_->getPreviewImage(buffer());
1902 // FIXME Do we always have png?
1903 string const tag = (getType() == hullSimple) ? "span" : "div";
1904 FileName const & mathimg = pimage->filename();
1905 xs << html::StartTag(tag)
1906 << html::CompTag("img", "src=\"" + mathimg.onlyFileName() + "\"")
1907 << html::EndTag(tag);
1909 // add the file to the list of files to be exported
1910 op.exportdata->addExternalFile("xhtml", mathimg);
1915 // so we'll pass this test if we've failed everything else, or
1916 // if mathtype was LaTeX, since we won't have entered any of the
1918 if (!success /* || mathtype != BufferParams::LaTeX */) {
1919 string const tag = (getType() == hullSimple) ? "span" : "div";
1920 // Unfortunately, we cannot use latexString() because we do not want
1921 // $...$ or whatever.
1922 odocstringstream ls;
1923 WriteStream wi(ls, false, true, WriteStream::wsPreview);
1924 ModeSpecifier specifier(wi, MATH_MODE);
1925 InsetMathGrid::write(wi);
1926 docstring const latex = ls.str();
1928 // class='math' allows for use of jsMath
1929 // http://www.math.union.edu/~dpvc/jsMath/
1931 // probably should allow for some kind of customization here
1932 xs << html::StartTag(tag, "class='math'")
1934 << html::EndTag(tag);
1941 void InsetMathHull::tocString(odocstream & os) const
1943 plaintext(os, OutputParams(0));
1947 docstring InsetMathHull::contextMenu(BufferView const &, int, int) const
1949 return from_ascii("context-math");
1953 void InsetMathHull::recordLocation(DocIterator const & di)