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 "InsetMathMacro.h"
39 #include "InsetMathMacroTemplate.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]{\\linewidth}{";
131 os << "\\lyxmathsout{\\parbox{\\linewidth}{";
132 } else if (os.ulemCmd() == WriteStream::UNDERLINE)
133 os << "\\raisebox{-\\belowdisplayshortskip}{"
134 "\\parbox[b]{\\linewidth}{";
135 else if (os.ulemCmd() == WriteStream::STRIKEOUT)
136 os << "\\parbox{\\linewidth}{";
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)
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, TocBackend & backend) 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 TocBuilder & b = backend.builder("equation");
348 // compute first and last item
349 row_type first = nrows();
350 for (row_type row = 0; row != nrows(); ++row)
355 if (first == nrows())
358 row_type last = nrows() - 1;
359 for (; last != 0; --last)
362 // add equation numbers
363 b.pushItem(pit, docstring(), output_active);
365 b.argumentItem(bformat(from_ascii("(%1$s-%2$s)"),
366 numbers_[first], numbers_[last]));
367 for (row_type row = 0; row != nrows(); ++row) {
371 label_[row]->addToToc(pit, output_active, utype, backend);
372 docstring label = nicelabel(row);
374 // this is the only equation
375 b.argumentItem(label);
377 // insert as sub-items
378 b.pushItem(pit, label, output_active);
386 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
388 if (previewState(&cur.bv())) {
392 return InsetMathNest::editXY(cur, x, y);
396 InsetMath::mode_type InsetMathHull::currentMode() const
400 return UNDECIDED_MODE;
402 // definitely math mode ...
422 bool InsetMathHull::idxFirst(Cursor & cur) const
430 bool InsetMathHull::idxLast(Cursor & cur) const
432 cur.idx() = nargs() - 1;
433 cur.pos() = cur.lastpos();
438 // FIXME: InsetMathGrid should be changed to let the real column alignment be
439 // given by a virtual method like displayColAlign, because the values produced
440 // by defaultColAlign can be invalidated by lfuns such as add-column. For the
441 // moment the values produced by defaultColAlign are not used, notably because
442 // alignment is not implemented in the LyXHTML output.
443 char InsetMathHull::defaultColAlign(col_type col)
445 return colAlign(type_, col);
449 char InsetMathHull::displayColAlign(idx_type idx) const
453 row_type const r = row(idx);
456 if (r == nrows() - 1)
467 return colAlign(type_, col(idx));
471 return InsetMathGrid::displayColAlign(idx);
475 int InsetMathHull::displayColSpace(col_type col) const
477 return colSpace(type_, col);
481 // FIXME: same comment as for defaultColAlign applies.
482 int InsetMathHull::defaultColSpace(col_type col)
484 return colSpace(type_, col);
488 string InsetMathHull::standardFont() const
494 return "lyxnochange";
501 ColorCode InsetMathHull::standardColor() const
506 return Color_foreground;
514 bool InsetMathHull::previewState(const BufferView *const bv) const
516 if (!editing(bv) && RenderPreview::previewMath()
517 && type_ != hullRegexp)
519 graphics::PreviewImage const * pimage =
520 preview_->getPreviewImage(bv->buffer());
521 return pimage && pimage->image();
528 const int ERROR_FRAME_WIDTH = 2;
530 bool previewTooSmall(MetricsBase const & mb, Dimension const & dim)
532 // Value was hardcoded to 10 pixels
533 int const minval = mb.bv->zoomedPixels(10);
534 return dim.width() <= minval && dim.height() <= minval;
539 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
541 // true value in LaTeX is 12pt plus 3pt minus 9pt
542 // FIXME: even better would be to handle the short skip case.
543 int const display_margin = display() ? mi.base.inPixels(Length(12, Length::PT)) : 0;
545 if (previewState(mi.base.bv)) {
546 preview_->metrics(mi, dim);
547 if (previewTooSmall(mi.base, dim)) {
548 // preview image is too small
549 dim.wid += 2 * ERROR_FRAME_WIDTH;
550 dim.asc += 2 * ERROR_FRAME_WIDTH;
552 // insert a gap in front of the formula
553 // value was hardcoded to 1 pixel
554 dim.wid += mi.base.bv->zoomedPixels(1) ;
556 dim.asc += display_margin;
557 dim.des += display_margin;
563 Changer dummy1 = mi.base.changeFontSet(standardFont());
564 Changer dummy2 = mi.base.font.changeStyle(display() ? LM_ST_DISPLAY
567 // let the cells adjust themselves
568 InsetMathGrid::metrics(mi, dim);
571 dim.asc += display_margin;
572 dim.des += display_margin;
575 if (numberedType()) {
576 Changer dummy = mi.base.changeFontSet("mathrm");
578 for (row_type row = 0; row < nrows(); ++row)
579 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
582 // Value was hardcoded to 30 pixels
583 dim.wid += mi.base.bv->zoomedPixels(30) + l;
586 // reserve some space for marker.
589 // make it at least as high as the current font
592 math_font_max_dim(mi.base.font, asc, des);
593 dim.asc = max(dim.asc, asc);
594 dim.des = max(dim.des, des);
598 ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
600 BufferView const * const bv = pi.base.bv;
601 if (previewState(bv)) {
602 Dimension const dim = dimension(*pi.base.bv);
603 if (previewTooSmall(pi.base, dim))
605 return graphics::PreviewLoader::backgroundColor();
611 void InsetMathHull::drawMarkers(PainterInfo & pi, int x, int y) const
613 ColorCode pen_color = mouseHovered(pi.base.bv) || editing(pi.base.bv)?
614 Color_mathframe : Color_mathcorners;
615 // If the corners have the same color as the background, do not paint them.
616 if (lcolor.getX11Name(Color_mathbg) == lcolor.getX11Name(pen_color))
619 Inset::drawMarkers(pi, x, y);
620 Dimension const dim = dimension(*pi.base.bv);
621 int const t = x + dim.width() - 1;
622 int const a = y - dim.ascent();
623 pi.pain.line(x, a + 3, x, a, pen_color);
624 pi.pain.line(t, a + 3, t, a, pen_color);
625 pi.pain.line(x, a, x + 3, a, pen_color);
626 pi.pain.line(t - 3, a, t, a, pen_color);
630 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
632 Dimension const dim = dimension(*pi.base.bv);
633 if (previewTooSmall(pi.base, dim)) {
634 pi.pain.fillRectangle(x, y - 2 * ERROR_FRAME_WIDTH,
635 dim.wid, dim.asc + dim.des, backgroundColor(pi));
638 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
639 dim.asc + dim.des - 1, pi.backgroundColor(this));
643 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
645 BufferView const * const bv = pi.base.bv;
646 Dimension const dim = dimension(*bv);
648 if (type_ == hullRegexp)
649 pi.pain.rectangle(x + 2, y - dim.ascent() + 1,
650 dim.width() - 3, dim.height() - 2, Color_regexpframe);
652 if (previewState(bv)) {
653 // Do not draw change tracking cue if taken care of by RowPainter
655 Changer dummy = !canPaintChange(*bv) ? make_change(pi.change_, Change())
657 if (previewTooSmall(pi.base, dim)) {
658 // we have an extra frame
659 preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
661 // one pixel gap in front
662 // value was hardcoded to 1 pixel
663 int const gap = pi.base.bv->zoomedPixels(1) ;
664 preview_->draw(pi, x + gap, y);
669 ColorCode color = pi.selected && lyxrc.use_system_colors
670 ? Color_selectiontext : standardColor();
671 bool const really_change_color = pi.base.font.color() == Color_none;
672 Changer dummy0 = really_change_color ? pi.base.font.changeColor(color)
674 Changer dummy1 = pi.base.changeFontSet(standardFont());
675 Changer dummy2 = pi.base.font.changeStyle(display() ? LM_ST_DISPLAY
679 BufferParams::MathNumber const math_number = buffer().params().getMathNumber();
680 if (numberedType() && math_number == BufferParams::LEFT) {
681 Changer dummy = pi.base.changeFontSet("mathrm");
683 for (row_type row = 0; row < nrows(); ++row)
684 l = max(l, mathed_string_width(pi.base.font, nicelabel(row)));
687 // Value was hardcoded to 30 pixels
688 xmath += pi.base.bv->zoomedPixels(30) + l;
691 InsetMathGrid::draw(pi, xmath + 1, y);
692 drawMarkers(pi, x, y);
694 if (numberedType()) {
695 Changer dummy = pi.base.changeFontSet("mathrm");
696 for (row_type row = 0; row < nrows(); ++row) {
697 int const yy = y + rowinfo_[row].offset_;
698 docstring const nl = nicelabel(row);
699 if (math_number == BufferParams::LEFT)
702 int l = mathed_string_width(pi.base.font, nl);
703 pi.draw(x + dim.wid - l, yy, nl);
708 // drawing change line
709 if (canPaintChange(*bv))
710 pi.change_.paintCue(pi, x + 1, y + 1 - dim.asc,
711 x + dim.wid, y + dim.des);
715 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
718 InsetMathGrid::metricsT(mi, dim);
721 otexrowstream ots(os);
722 WriteStream wi(ots, false, true, WriteStream::wsDefault);
724 dim.wid = os.str().size();
731 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
734 InsetMathGrid::drawT(pain, x, y);
737 otexrowstream ots(os);
738 WriteStream wi(ots, false, true, WriteStream::wsDefault);
740 pain.draw(x, y, os.str().c_str());
745 static docstring latexString(InsetMathHull const & inset)
748 // This has to be static, because a preview snippet or a math
749 // macro containing math in text mode (such as $\text{$\phi$}$ or
750 // \newcommand{\xxx}{\text{$\phi$}}) gets processed twice. The
751 // first time as a whole, and the second time only the inner math.
752 // In this last case inset.buffer() would be invalid.
753 static Encoding const * encoding = 0;
754 if (inset.isBufferValid())
755 encoding = &(inset.buffer().params().encoding());
756 otexrowstream ots(ls);
757 WriteStream wi(ots, false, true, WriteStream::wsPreview, encoding);
763 void InsetMathHull::initUnicodeMath() const
765 // Trigger classification of the unicode symbols in this inset
766 docstring const dummy = latexString(*this);
770 void InsetMathHull::addPreview(DocIterator const & inset_pos,
771 graphics::PreviewLoader & /*ploader*/) const
773 if (RenderPreview::previewMath()) {
774 preparePreview(inset_pos);
779 void InsetMathHull::usedMacros(MathData const & md, DocIterator const & pos,
780 MacroNameSet & macros, MacroNameSet & defs) const
782 MacroNameSet::iterator const end = macros.end();
784 for (size_t i = 0; i < md.size(); ++i) {
785 InsetMathMacro const * mi = md[i].nucleus()->asMacro();
786 InsetMathMacroTemplate const * mt = md[i].nucleus()->asMacroTemplate();
787 InsetMathScript const * si = md[i].nucleus()->asScriptInset();
788 InsetMathFracBase const * fi = md[i].nucleus()->asFracBaseInset();
789 InsetMathGrid const * gi = md[i].nucleus()->asGridInset();
790 InsetMathNest const * ni = md[i].nucleus()->asNestInset();
792 // Look for macros in the arguments of this macro.
793 for (idx_type idx = 0; idx < mi->nargs(); ++idx)
794 usedMacros(mi->cell(idx), pos, macros, defs);
795 // Make sure this is a macro defined in the document
796 // (as we also spot the macros in the symbols file)
797 // or that we have not already accounted for it.
798 docstring const name = mi->name();
799 if (macros.find(name) == end)
802 // Look for macros in the definition of this macro.
803 MathData ar(pos.buffer());
804 MacroData const * data =
805 pos.buffer()->getMacro(name, pos, true);
807 odocstringstream macro_def;
808 data->write(macro_def, true);
810 defs.insert(macro_def.str());
811 asArray(data->definition(), ar);
813 usedMacros(ar, pos, macros, defs);
815 MathData ar(pos.buffer());
816 asArray(mt->definition(), ar);
817 usedMacros(ar, pos, macros, defs);
819 if (!si->nuc().empty())
820 usedMacros(si->nuc(), pos, macros, defs);
822 usedMacros(si->down(), pos, macros, defs);
824 usedMacros(si->up(), pos, macros, defs);
825 } else if (fi || gi) {
826 idx_type nidx = fi ? fi->nargs() : gi->nargs();
827 for (idx_type idx = 0; idx < nidx; ++idx)
828 usedMacros(fi ? fi->cell(idx) : gi->cell(idx),
831 usedMacros(ni->cell(0), pos, macros, defs);
837 void InsetMathHull::preparePreview(DocIterator const & pos,
838 bool forexport) const
840 // there is no need to do all the macro stuff if we're not
841 // actually going to generate the preview.
842 if (!RenderPreview::previewMath() && !forexport)
845 Buffer const * buffer = pos.buffer();
847 // collect macros at this position
849 buffer->listMacroNames(macros);
851 // collect definitions only for the macros used in this inset
853 for (idx_type idx = 0; idx < nargs(); ++idx)
854 usedMacros(cell(idx), pos, macros, defs);
856 docstring macro_preamble;
857 for (auto const & defvar : defs)
858 macro_preamble.append(defvar);
860 // set the font series and size for this snippet
861 DocIterator dit = pos.getInnerText();
862 Paragraph const & par = dit.paragraph();
863 Font font = par.getFontSettings(buffer->params(), dit.pos());
864 font.fontInfo().realize(par.layout().font);
865 string const lsize = font.latexSize();
868 if (font.fontInfo().series() == BOLD_SERIES) {
869 setfont += from_ascii("\\textbf{");
872 if (lsize != "normalsize" && !prefixIs(lsize, "error"))
873 setfont += from_ascii("\\" + lsize + '\n');
876 if (forexport && haveNumbers()) {
877 docstring eqstr = from_ascii("equation");
878 CounterMap::const_iterator it = counter_map.find(eqstr);
879 if (it != counter_map.end()) {
880 int num = it->second;
882 setcnt += from_ascii("\\setcounter{") + eqstr + '}' +
883 '{' + convert<docstring>(num) + '}' + '\n';
885 for (size_t i = 0; i != numcnts; ++i) {
886 docstring cnt = from_ascii(counters_to_save[i]);
887 it = counter_map.find(cnt);
888 if (it == counter_map.end())
890 int num = it->second;
892 setcnt += from_ascii("\\setcounter{") + cnt + '}' +
893 '{' + convert<docstring>(num) + '}';
896 docstring const snippet = macro_preamble + setfont + setcnt
897 + latexString(*this) + endfont;
898 LYXERR(Debug::MACROS, "Preview snippet: " << snippet);
899 preview_->addPreview(snippet, *buffer, forexport);
903 void InsetMathHull::reloadPreview(DocIterator const & pos) const
906 preview_->startLoading(*pos.buffer());
910 void InsetMathHull::loadPreview(DocIterator const & pos) const
912 bool const forexport = true;
913 preparePreview(pos, forexport);
914 preview_->startLoading(*pos.buffer(), forexport);
918 bool InsetMathHull::notifyCursorLeaves(Cursor const & old, Cursor & cur)
920 if (RenderPreview::previewMath()) {
922 cur.screenUpdateFlags(Update::Force);
928 docstring InsetMathHull::label(row_type row) const
930 LASSERT(row < nrows(), return docstring());
931 if (InsetLabel * il = label_[row])
932 return il->screenLabel();
937 void InsetMathHull::label(row_type row, docstring const & label)
939 //lyxerr << "setting label '" << label << "' for row " << row << endl;
943 label_[row] = dummy_pointer;
946 label_[row]->updateLabelAndRefs(label);
948 label_[row]->setParam("name", label);
952 InsetCommandParams p(LABEL_CODE);
954 label_[row] = new InsetLabel(buffer_, p);
956 label_[row]->setBuffer(buffer());
960 void InsetMathHull::numbered(row_type row, Numbered num)
962 numbered_[row] = num;
963 if (!numbered(row) && label_[row]) {
970 bool InsetMathHull::numbered(row_type row) const
972 return numbered_[row] == NUMBER;
976 bool InsetMathHull::ams() const
996 for (size_t row = 0; row < numbered_.size(); ++row)
997 if (numbered_[row] == NOTAG)
1003 bool InsetMathHull::outerDisplay() const
1026 Inset::DisplayType InsetMathHull::display() const
1043 if (buffer().params().is_math_indent)
1053 int InsetMathHull::indent(BufferView const & bv) const
1055 // FIXME: set this in the textclass. This value is what the article class uses.
1056 static Length default_indent(2.5, Length::EM);
1057 if (display() != Inline && buffer().params().is_math_indent) {
1058 Length const & len = buffer().params().getMathIndent();
1060 return bv.inPixels(default_indent);
1062 return bv.inPixels(len);
1064 return Inset::indent(bv);
1068 bool InsetMathHull::numberedType() const
1087 for (row_type row = 0; row < nrows(); ++row)
1094 void InsetMathHull::validate(LaTeXFeatures & features) const
1096 if (features.runparams().isLaTeX()) {
1098 features.require("amsmath");
1100 if (type_ == hullRegexp) {
1101 features.require("color");
1102 docstring frcol = from_utf8(lcolor.getLaTeXName(Color_regexpframe));
1103 docstring bgcol = from_ascii("white");
1104 features.addPreambleSnippet(
1105 "\\newcommand{\\regexp}[1]{\\fcolorbox{"
1107 + bgcol + "}{\\ensuremath{\\mathtt{#1}}}}");
1108 features.addPreambleSnippet(
1109 from_ascii("\\newcommand{\\endregexp}{}"));
1110 } else if (outerDisplay() && features.inDeletedInset()
1111 && !features.mustProvide("ct-dvipost")) {
1112 features.require("ct-tikz-math-sout");
1115 // Validation is necessary only if not using AMS math.
1116 // To be safe, we will always run mathedvalidate.
1117 //if (features.amsstyle)
1120 //features.binom = true;
1121 } else if (features.runparams().math_flavor == OutputParams::MathAsHTML) {
1122 // it would be better to do this elsewhere, but we can't validate in
1123 // InsetMathMatrix and we have no way, outside MathExtern, to know if
1124 // we even have any matrices.
1125 features.addCSSSnippet(
1126 "table.matrix{display: inline-block; vertical-align: middle; text-align:center;}\n"
1127 "table.matrix td{padding: 0.25px;}\n"
1128 "td.ldelim{width: 0.5ex; border: thin solid black; border-right: none;}\n"
1129 "td.rdelim{width: 0.5ex; border: thin solid black; border-left: none;}");
1131 InsetMathGrid::validate(features);
1135 void InsetMathHull::header_write(WriteStream & os) const
1137 bool n = numberedType();
1148 if (cell(0).empty())
1153 writeMathdisplayPreamble(os);
1157 os << "\\begin{equation" << star(n) << "}\n";
1167 writeMathdisplayPreamble(os);
1170 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
1177 os << "\\begin{" << hullName(type_) << star(n) << '}'
1178 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1184 os << "\\begin{" << hullName(type_) << '}'
1185 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
1195 os << "\\begin{unknown" << star(n) << "}\n";
1201 void InsetMathHull::footer_write(WriteStream & os) const
1203 bool n = numberedType();
1220 os << "\\end{equation" << star(n) << "}\n";
1223 writeMathdisplayPostamble(os);
1233 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1234 writeMathdisplayPostamble(os);
1241 os << "\\end{" << hullName(type_) << star(n) << "}\n";
1247 os << "\\end{" << hullName(type_) << "}\n";
1251 // Only used as a heuristic to find the regexp termination, when searching in ignore-format mode
1252 os << "\\endregexp{}}";
1258 os << "\\end{unknown" << star(n) << "}\n";
1264 bool InsetMathHull::allowsTabularFeatures() const
1287 bool InsetMathHull::rowChangeOK() const
1290 type_ == hullEqnArray || type_ == hullAlign ||
1291 type_ == hullFlAlign || type_ == hullAlignAt ||
1292 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
1293 type_ == hullGather || type_ == hullMultline;
1297 bool InsetMathHull::colChangeOK() const
1300 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
1301 type_ == hullXAlignAt || type_ == hullXXAlignAt;
1305 void InsetMathHull::addRow(row_type row)
1310 bool numbered = numberedType();
1311 // Move the number and raw pointer, do not call label() (bug 7511)
1312 InsetLabel * label = dummy_pointer;
1313 docstring number = empty_docstring();
1314 if (type_ == hullMultline) {
1315 if (row + 1 == nrows()) {
1316 numbered_[row] = NONUMBER;
1317 swap(label, label_[row]);
1318 swap(number, numbers_[row]);
1323 numbered_.insert(numbered_.begin() + row + 1, numbered ? NUMBER : NONUMBER);
1324 numbers_.insert(numbers_.begin() + row + 1, number);
1325 label_.insert(label_.begin() + row + 1, label);
1326 InsetMathGrid::addRow(row);
1330 void InsetMathHull::swapRow(row_type row)
1334 if (row + 1 == nrows())
1336 swap(numbered_[row], numbered_[row + 1]);
1337 swap(numbers_[row], numbers_[row + 1]);
1338 swap(label_[row], label_[row + 1]);
1339 InsetMathGrid::swapRow(row);
1343 void InsetMathHull::delRow(row_type row)
1345 if (nrows() <= 1 || !rowChangeOK())
1347 if (row + 1 == nrows() && type_ == hullMultline) {
1348 swap(numbered_[row - 1], numbered_[row]);
1349 swap(numbers_[row - 1], numbers_[row]);
1350 swap(label_[row - 1], label_[row]);
1351 InsetMathGrid::delRow(row);
1354 InsetMathGrid::delRow(row);
1355 // The last dummy row has no number info nor a label.
1356 // Test nrows() + 1 because we have already erased the row.
1357 if (row == nrows() + 1)
1359 numbered_.erase(numbered_.begin() + row);
1360 numbers_.erase(numbers_.begin() + row);
1362 label_.erase(label_.begin() + row);
1366 void InsetMathHull::addCol(col_type col)
1370 InsetMathGrid::addCol(col);
1374 void InsetMathHull::delCol(col_type col)
1376 if (ncols() <= 1 || !colChangeOK())
1378 InsetMathGrid::delCol(col);
1382 docstring InsetMathHull::nicelabel(row_type row) const
1386 docstring const & val = numbers_[row];
1388 return '(' + val + ')';
1389 return '(' + val + ',' + label_[row]->screenLabel() + ')';
1393 void InsetMathHull::glueall(HullType type)
1396 for (idx_type i = 0; i < nargs(); ++i)
1398 InsetLabel * label = 0;
1399 if (type == hullEquation) {
1400 // preserve first non-empty label
1401 for (row_type row = 0; row < nrows(); ++row) {
1403 label = label_[row];
1409 *this = InsetMathHull(buffer_, hullSimple);
1416 void InsetMathHull::splitTo2Cols()
1418 LASSERT(ncols() == 1, return);
1419 InsetMathGrid::addCol(1);
1420 for (row_type row = 0; row < nrows(); ++row) {
1421 idx_type const i = 2 * row;
1422 pos_type pos = firstRelOp(cell(i));
1423 cell(i + 1) = MathData(buffer_, cell(i).begin() + pos, cell(i).end());
1424 cell(i).erase(pos, cell(i).size());
1429 void InsetMathHull::splitTo3Cols()
1431 LASSERT(ncols() < 3, return);
1434 InsetMathGrid::addCol(2);
1435 for (row_type row = 0; row < nrows(); ++row) {
1436 idx_type const i = 3 * row + 1;
1437 if (!cell(i).empty()) {
1438 cell(i + 1) = MathData(buffer_, cell(i).begin() + 1, cell(i).end());
1439 cell(i).erase(1, cell(i).size());
1445 void InsetMathHull::changeCols(col_type cols)
1447 if (ncols() == cols)
1449 else if (ncols() < cols) {
1455 while (ncols() < cols)
1456 InsetMathGrid::addCol(ncols());
1462 for (row_type row = 0; row < nrows(); ++row) {
1463 idx_type const i = row * ncols();
1464 for (col_type col = cols; col < ncols(); ++col) {
1465 cell(i + cols - 1).append(cell(i + col));
1469 while (ncols() > cols) {
1470 InsetMathGrid::delCol(ncols() - 1);
1475 HullType InsetMathHull::getType() const
1481 void InsetMathHull::setType(HullType type)
1488 bool InsetMathHull::isMutable(HullType type)
1512 void InsetMathHull::mutate(HullType newtype)
1514 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
1516 if (newtype == type_)
1519 // This guards the algorithm below it, which is designed with certain types
1521 if (!isMutable(newtype) || !isMutable(type_)) {
1522 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1523 << "' to '" << to_utf8(hullName(newtype))
1524 << "' not implemented" << endl;
1528 // we try to move along the chain
1529 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
1531 // +-------------------------------------+
1532 // we use eqnarray as intermediate type for mutations that are not
1533 // directly supported because it handles labels and numbering for
1538 setType(hullSimple);
1544 if (newtype == hullNone) {
1548 setType(hullEquation);
1549 numbered(0, label_[0] ? true : false);
1558 setType(hullSimple);
1563 // split it "nicely" on the first relop
1565 setType(hullEqnArray);
1573 // split it "nicely"
1608 setType(hullEqnArray);
1617 for (row_type row = 0; row < nrows(); ++row)
1618 numbered(row, false);
1628 for (row_type row = 0; row < nrows(); ++row)
1629 numbered(row, false);
1636 setType(hullEqnArray);
1666 for (row_type row = 0; row < nrows(); ++row)
1667 numbered(row, false);
1671 // first we mutate to EqnArray
1673 setType(hullEqnArray);
1680 // we passed the guard so we should not be here
1681 LYXERR0("Mutation not implemented, but should have been.");
1682 LASSERT(false, return);
1688 docstring InsetMathHull::eolString(row_type row, bool fragile, bool latex,
1689 bool last_eoln) const
1692 if (numberedType()) {
1693 if (label_[row] && numbered(row)) {
1694 docstring const name =
1695 latex ? escape(label_[row]->getParam("name"))
1696 : label_[row]->getParam("name");
1697 res += "\\label{" + name + '}';
1699 if (type_ != hullMultline) {
1700 if (numbered_[row] == NONUMBER)
1701 res += "\\nonumber ";
1702 else if (numbered_[row] == NOTAG)
1706 // Never add \\ on the last empty line of eqnarray and friends
1708 return res + InsetMathGrid::eolString(row, fragile, latex, last_eoln);
1711 void InsetMathHull::write(WriteStream & os) const
1713 ModeSpecifier specifier(os, MATH_MODE);
1715 InsetMathGrid::write(os);
1720 void InsetMathHull::normalize(NormalStream & os) const
1722 os << "[formula " << hullName(type_) << ' ';
1723 InsetMathGrid::normalize(os);
1728 void InsetMathHull::infoize(odocstream & os) const
1730 os << bformat(_("Type: %1$s"), hullName(type_));
1734 void InsetMathHull::check() const
1736 LATTEST(numbered_.size() == nrows());
1737 LATTEST(numbers_.size() == nrows());
1738 LATTEST(label_.size() == nrows());
1742 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1746 idocstringstream iss(func.argument());
1747 iss >> dlang >> extra;
1749 extra = from_ascii("noextra");
1750 string const lang = to_ascii(dlang);
1752 // replace selection with result of computation
1753 if (reduceSelectionToOneCell(cur)) {
1755 asArray(grabAndEraseSelection(cur), ar);
1756 lyxerr << "use selection: " << ar << endl;
1757 cur.insert(pipeThroughExtern(lang, extra, ar));
1761 // only inline, display or eqnarray math is allowed
1762 switch (getType()) {
1768 frontend::Alert::warning(_("Bad math environment"),
1769 _("Computation cannot be performed for AMS "
1770 "math environments.\nChange the math "
1771 "formula type and try again."));
1776 eq.push_back(MathAtom(new InsetMathChar('=')));
1778 // go to first item in line
1779 cur.idx() -= cur.idx() % ncols();
1782 if (getType() == hullSimple) {
1783 size_type pos = cur.cell().find_last(eq);
1785 if (pos == cur.cell().size()) {
1787 lyxerr << "use whole cell: " << ar << endl;
1789 ar = MathData(buffer_, cur.cell().begin() + pos + 1, cur.cell().end());
1790 lyxerr << "use partial cell form pos: " << pos << endl;
1792 cur.cell().append(eq);
1793 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1794 cur.pos() = cur.lastpos();
1798 if (getType() == hullEquation) {
1799 lyxerr << "use equation inset" << endl;
1800 mutate(hullEqnArray);
1801 MathData & ar = cur.cell();
1802 lyxerr << "use cell: " << ar << endl;
1806 cur.cell() = pipeThroughExtern(lang, extra, ar);
1807 // move to end of line
1808 cur.pos() = cur.lastpos();
1813 lyxerr << "use eqnarray" << endl;
1814 cur.idx() += 2 - cur.idx() % ncols();
1816 MathData ar = cur.cell();
1817 lyxerr << "use cell: " << ar << endl;
1818 // FIXME: temporarily disabled
1824 cur.cell() = pipeThroughExtern(lang, extra, ar);
1825 cur.pos() = cur.lastpos();
1830 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1832 //lyxerr << "action: " << cmd.action() << endl;
1833 switch (cmd.action()) {
1835 case LFUN_FINISHED_BACKWARD:
1836 case LFUN_FINISHED_FORWARD:
1837 case LFUN_FINISHED_RIGHT:
1838 case LFUN_FINISHED_LEFT:
1839 //lyxerr << "action: " << cmd.action() << endl;
1840 InsetMathGrid::doDispatch(cur, cmd);
1843 case LFUN_PARAGRAPH_BREAK:
1844 // just swallow this
1847 case LFUN_NEWLINE_INSERT:
1848 // some magic for the common case
1849 if (type_ == hullSimple || type_ == hullEquation) {
1850 cur.recordUndoInset();
1852 cur.bv().buffer().params().use_package("amsmath") != BufferParams::package_off;
1853 mutate(align ? hullAlign : hullEqnArray);
1854 // mutate() may change labels and such.
1855 cur.forceBufferUpdate();
1856 cur.idx() = nrows() * ncols() - 1;
1857 cur.pos() = cur.lastpos();
1859 InsetMathGrid::doDispatch(cur, cmd);
1862 case LFUN_MATH_NUMBER_TOGGLE: {
1863 //lyxerr << "toggling all numbers" << endl;
1864 cur.recordUndoInset();
1865 bool old = numberedType();
1866 if (type_ == hullMultline)
1867 numbered(nrows() - 1, !old);
1869 for (row_type row = 0; row < nrows(); ++row)
1870 numbered(row, !old);
1872 cur.message(old ? _("No number") : _("Number"));
1873 cur.forceBufferUpdate();
1877 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1878 cur.recordUndoInset();
1879 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1880 bool old = numbered(r);
1881 cur.message(old ? _("No number") : _("Number"));
1883 cur.forceBufferUpdate();
1887 case LFUN_LABEL_INSERT: {
1888 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1889 docstring old_label = label(r);
1890 docstring const default_label = from_ascii("eq:");
1891 if (old_label.empty())
1892 old_label = default_label;
1894 InsetCommandParams p(LABEL_CODE);
1895 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1896 string const data = InsetCommand::params2string(p);
1898 if (cmd.argument().empty())
1899 cur.bv().showDialog("label", data);
1901 FuncRequest fr(LFUN_INSET_INSERT, data);
1907 case LFUN_LABEL_COPY_AS_REFERENCE: {
1909 if (cmd.argument().empty() && &cur.inset() == this)
1910 // if there is no argument and we're inside math, we retrieve
1911 // the row number from the cursor position.
1912 row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1914 // if there is an argument, find the corresponding label, else
1915 // check whether there is at least one label.
1916 for (row = 0; row != nrows(); ++row)
1917 if (numbered(row) && label_[row]
1918 && (cmd.argument().empty() || label(row) == cmd.argument()))
1925 InsetCommandParams p(REF_CODE, "ref");
1926 p["reference"] = label(row);
1927 cap::clearSelection();
1928 cap::copyInset(cur, new InsetRef(buffer_, p), label(row));
1932 case LFUN_WORD_DELETE_FORWARD:
1933 case LFUN_CHAR_DELETE_FORWARD:
1934 if (col(cur.idx()) + 1 == ncols()
1935 && cur.pos() == cur.lastpos()
1936 && !cur.selection()) {
1937 if (!label(row(cur.idx())).empty()) {
1938 cur.recordUndoInset();
1939 label(row(cur.idx()), docstring());
1940 } else if (numbered(row(cur.idx()))) {
1941 cur.recordUndoInset();
1942 numbered(row(cur.idx()), false);
1943 cur.forceBufferUpdate();
1945 InsetMathGrid::doDispatch(cur, cmd);
1949 InsetMathGrid::doDispatch(cur, cmd);
1954 case LFUN_INSET_INSERT: {
1955 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1956 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1957 string const name = cmd.getArg(0);
1958 if (name == "label") {
1959 InsetCommandParams p(LABEL_CODE);
1960 InsetCommand::string2params(to_utf8(cmd.argument()), p);
1961 docstring str = p["name"];
1962 cur.recordUndoInset();
1963 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1967 docstring old = label(r);
1970 // The label will take care of the reference update.
1974 // Newly created inset so initialize it.
1975 label_[r]->initView();
1978 cur.forceBufferUpdate();
1981 InsetMathGrid::doDispatch(cur, cmd);
1985 case LFUN_MATH_EXTERN:
1986 cur.recordUndoInset();
1990 case LFUN_MATH_MUTATE: {
1991 cur.recordUndoInset();
1992 row_type row = cur.row();
1993 col_type col = cur.col();
1994 mutate(hullType(cmd.argument()));
1995 cur.idx() = row * ncols() + col;
1996 if (cur.idx() > cur.lastidx()) {
1997 cur.idx() = cur.lastidx();
1998 cur.pos() = cur.lastpos();
2000 if (cur.pos() > cur.lastpos())
2001 cur.pos() = cur.lastpos();
2003 cur.forceBufferUpdate();
2004 // FIXME: find some more clever handling of the selection,
2005 // i.e. preserve it.
2006 cur.clearSelection();
2007 //cur.dispatched(FINISHED);
2011 case LFUN_MATH_DISPLAY: {
2012 cur.recordUndoInset();
2013 mutate(type_ == hullSimple ? hullEquation : hullSimple);
2014 // if the cursor is in a cell that got merged, move it to
2015 // start of the hull inset.
2016 if (cur.idx() > 0) {
2020 if (cur.pos() > cur.lastpos())
2021 cur.pos() = cur.lastpos();
2026 case LFUN_TABULAR_FEATURE:
2027 if (!allowsTabularFeatures())
2030 InsetMathGrid::doDispatch(cur, cmd);
2034 InsetMathGrid::doDispatch(cur, cmd);
2042 bool allowDisplayMath(Cursor const & cur)
2044 LATTEST(cur.depth() > 1);
2045 Cursor tmpcur = cur;
2048 FuncRequest cmd(LFUN_MATH_DISPLAY);
2049 return tmpcur.getStatus(cmd, status) && status.enabled();
2055 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
2056 FuncStatus & status) const
2058 switch (cmd.action()) {
2059 case LFUN_FINISHED_BACKWARD:
2060 case LFUN_FINISHED_FORWARD:
2061 case LFUN_FINISHED_RIGHT:
2062 case LFUN_FINISHED_LEFT:
2065 case LFUN_NEWLINE_INSERT:
2066 case LFUN_MATH_EXTERN:
2068 status.setEnabled(true);
2071 // we never allow this in math, and we want to bind enter
2072 // to another actions in command-alternatives
2073 case LFUN_PARAGRAPH_BREAK:
2074 status.setEnabled(false);
2076 case LFUN_MATH_MUTATE: {
2077 HullType const ht = hullType(cmd.argument());
2078 status.setOnOff(type_ == ht);
2079 status.setEnabled(isMutable(ht) && isMutable(type_));
2081 if (ht != hullSimple && status.enabled())
2082 status.setEnabled(allowDisplayMath(cur));
2085 case LFUN_MATH_DISPLAY: {
2086 status.setEnabled(display() != Inline || allowDisplayMath(cur));
2087 status.setOnOff(display() != Inline);
2091 case LFUN_MATH_NUMBER_TOGGLE:
2092 // FIXME: what is the right test, this or the one of
2094 status.setEnabled(display() != Inline);
2095 status.setOnOff(numberedType());
2098 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
2099 // FIXME: what is the right test, this or the one of
2101 bool const enable = (type_ == hullMultline)
2102 ? (nrows() - 1 == cur.row())
2103 : display() != Inline;
2104 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
2105 status.setEnabled(enable);
2106 status.setOnOff(enable && numbered(r));
2110 case LFUN_LABEL_INSERT:
2111 status.setEnabled(type_ != hullSimple);
2114 case LFUN_LABEL_COPY_AS_REFERENCE: {
2115 bool enabled = false;
2116 if (cmd.argument().empty() && &cur.inset() == this) {
2117 // if there is no argument and we're inside math, we retrieve
2118 // the row number from the cursor position.
2119 row_type row = (type_ == hullMultline) ? nrows() - 1 : cur.row();
2120 enabled = numberedType() && label_[row] && numbered(row);
2122 // if there is an argument, find the corresponding label, else
2123 // check whether there is at least one label.
2124 for (row_type row = 0; row != nrows(); ++row) {
2125 if (numbered(row) && label_[row] &&
2126 (cmd.argument().empty() || label(row) == cmd.argument())) {
2132 status.setEnabled(enabled);
2136 case LFUN_INSET_INSERT:
2137 if (cmd.getArg(0) == "label") {
2138 status.setEnabled(type_ != hullSimple);
2141 return InsetMathGrid::getStatus(cur, cmd, status);
2143 case LFUN_TABULAR_FEATURE: {
2144 if (!allowsTabularFeatures())
2146 string s = cmd.getArg(0);
2148 && (s == "append-row"
2149 || s == "delete-row"
2150 || s == "copy-row")) {
2151 status.message(bformat(
2152 from_utf8(N_("Can't change number of rows in '%1$s'")),
2154 status.setEnabled(false);
2158 && (s == "append-column"
2159 || s == "delete-column"
2160 || s == "copy-column")) {
2161 status.message(bformat(
2162 from_utf8(N_("Can't change number of columns in '%1$s'")),
2164 status.setEnabled(false);
2167 if (s == "add-vline-left" || s == "add-vline-right") {
2168 status.message(bformat(
2169 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
2171 status.setEnabled(false);
2174 if (s == "valign-top" || s == "valign-middle"
2175 || s == "valign-bottom" || s == "align-left"
2176 || s == "align-center" || s == "align-right") {
2177 status.setEnabled(false);
2180 return InsetMathGrid::getStatus(cur, cmd, status);
2184 return InsetMathGrid::getStatus(cur, cmd, status);
2189 int InsetMathHull::leftMargin() const
2191 return (getType() == hullSimple) ? 0 : InsetMathGrid::leftMargin();
2195 int InsetMathHull::rightMargin() const
2197 return (getType() == hullSimple) ? 0 : InsetMathGrid::rightMargin();
2201 int InsetMathHull::border() const
2203 return (getType() == hullSimple) ? 0 : InsetMathGrid::border();
2207 /////////////////////////////////////////////////////////////////////
2211 // simply scrap this function if you want
2212 void InsetMathHull::mutateToText()
2215 // translate to latex
2217 latex(os, false, false);
2218 string str = os.str();
2221 Text * lt = view_->cursor().innerText();
2222 string::const_iterator cit = str.begin();
2223 string::const_iterator end = str.end();
2224 for (; cit != end; ++cit)
2225 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
2228 //dispatch(LFUN_ESCAPE);
2233 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
2234 docstring const & font)
2236 // this whole function is a hack and won't work for incremental font
2239 if (cur.inset().asInsetMath()->name() == font)
2240 cur.handleFont(to_utf8(font));
2242 cur.handleNest(createInsetMath(font, cur.buffer()));
2248 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
2253 font.fromString(to_utf8(arg), b);
2254 if (font.fontInfo().color() != Color_inherit) {
2255 MathAtom at = MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color()));
2256 cur.handleNest(at, 0);
2261 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
2264 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
2265 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
2266 enter_front ? idxFirst(cur) : idxLast(cur);
2267 // The inset formula dimension is not necessarily the same as the
2268 // one of the instant preview image, so we have to indicate to the
2269 // BufferView that a metrics update is needed.
2270 cur.screenUpdateFlags(Update::Force);
2274 /////////////////////////////////////////////////////////////////////
2278 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
2281 // FIXME: completely broken
2282 static InsetMathHull * lastformula = 0;
2283 static CursorBase current = DocIterator(ibegin(nucleus()));
2285 static string laststr;
2287 if (lastformula != this || laststr != str) {
2288 //lyxerr << "reset lastformula to " << this << endl;
2291 current = ibegin(nucleus());
2293 mathed_parse_cell(ar, str, Parse::NORMAL, &buffer());
2297 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
2299 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
2300 CursorSlice & top = it.back();
2301 MathData const & a = top.asInsetMath()->cell(top.idx_);
2302 if (a.matchpart(ar, top.pos_)) {
2303 bv->cursor().setSelection(it, ar.size());
2305 top.pos_ += ar.size();
2311 //lyxerr << "not found!" << endl;
2318 void InsetMathHull::write(ostream & os) const
2320 odocstringstream oss;
2321 otexrowstream ots(oss);
2322 WriteStream wi(ots, false, false, WriteStream::wsDefault);
2325 os << to_utf8(oss.str());
2329 void InsetMathHull::read(Lexer & lex)
2332 mathed_parse_normal(buffer_, at, lex, Parse::TRACKMACRO);
2333 operator=(*at->asHullInset());
2337 bool InsetMathHull::readQuiet(Lexer & lex)
2340 bool success = mathed_parse_normal(buffer_, at, lex, Parse::QUIET);
2342 operator=(*at->asHullInset());
2347 int InsetMathHull::plaintext(odocstringstream & os,
2348 OutputParams const & op, size_t max_length) const
2350 // Try enabling this now that there is a flag as requested at #2275.
2351 if (buffer().isExporting() && display()) {
2355 TextPainter tpain(dim.width(), dim.height());
2356 drawT(tpain, 0, dim.ascent());
2358 // reset metrics cache to "real" values
2360 return tpain.textheight();
2363 odocstringstream oss;
2364 otexrowstream ots(oss);
2365 Encoding const * const enc = encodings.fromLyXName("utf8");
2366 WriteStream wi(ots, false, true, WriteStream::wsDefault, enc);
2369 if (type_ == hullRegexp)
2372 for (row_type r = 0; r < nrows(); ++r) {
2373 for (col_type c = 0; c < ncols(); ++c)
2374 wi << (c == 0 ? "" : "\t") << cell(index(r, c));
2375 // if it's for the TOC, we write just the first line
2376 // and do not include the newline.
2377 if (op.for_toc || op.for_tooltip || oss.str().size() >= max_length)
2379 if (r < nrows() - 1)
2383 docstring const str = oss.str();
2389 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
2394 if (getType() == hullSimple)
2395 name = from_ascii("inlineequation");
2397 name = from_ascii("informalequation");
2399 docstring bname = name;
2400 if (!label(0).empty())
2401 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
2403 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
2405 odocstringstream ls;
2407 if (runparams.flavor == OutputParams::XML) {
2408 ms << MTag("alt role='tex' ");
2409 // Workaround for db2latex: db2latex always includes equations with
2410 // \ensuremath{} or \begin{display}\end{display}
2411 // so we strip LyX' math environment
2412 WriteStream wi(ols, false, false, WriteStream::wsDefault, runparams.encoding);
2413 InsetMathGrid::write(wi);
2414 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2419 InsetMathGrid::mathmlize(ms);
2422 ms << MTag("alt role='tex'");
2423 latex(ols, runparams);
2424 res = ols.texrow().rows();
2425 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
2429 ms << from_ascii("<graphic fileref=\"eqn/");
2430 if (!label(0).empty())
2431 ms << sgml::cleanID(buffer(), runparams, label(0));
2433 ms << sgml::uniqueID(from_ascii("anon"));
2435 if (runparams.flavor == OutputParams::XML)
2436 ms << from_ascii("\"/>");
2438 ms << from_ascii("\">");
2440 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
2442 return ms.line() + res;
2446 bool InsetMathHull::haveNumbers() const
2448 bool havenumbers = false;
2449 // inline formulas are never numbered (bug 7351 part 3)
2450 if (getType() == hullSimple)
2452 for (size_t i = 0; i != numbered_.size(); ++i) {
2463 // We need to do something about alignment here.
2465 // This duplicates code from InsetMathGrid, but
2466 // we need access here to number information,
2467 // and we simply do not have that in InsetMathGrid.
2468 void InsetMathHull::htmlize(HtmlStream & os) const
2470 bool const havenumbers = haveNumbers();
2471 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2474 os << cell(index(0, 0));
2478 os << MTag("table", "class='mathtable'");
2479 for (row_type row = 0; row < nrows(); ++row) {
2481 for (col_type col = 0; col < ncols(); ++col) {
2483 os << cell(index(row, col));
2488 docstring const & num = numbers_[row];
2490 os << '(' << num << ')';
2495 os << ETag("table");
2499 // this duplicates code from InsetMathGrid, but
2500 // we need access here to number information,
2501 // and we simply do not have that in InsetMathGrid.
2502 void InsetMathHull::mathmlize(MathStream & os) const
2504 bool const havenumbers = haveNumbers();
2505 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2508 os << MTag("mtable");
2509 char const * const celltag = havetable ? "mtd" : "mrow";
2510 // FIXME There does not seem to be wide support at the moment
2511 // for mlabeledtr, so we have to use just mtr for now.
2512 // char const * const rowtag = havenumbers ? "mlabeledtr" : "mtr";
2513 char const * const rowtag = "mtr";
2514 for (row_type row = 0; row < nrows(); ++row) {
2517 for (col_type col = 0; col < ncols(); ++col) {
2519 << cell(index(row, col))
2525 docstring const & num = numbers_[row];
2527 os << '(' << num << ')';
2534 os << ETag("mtable");
2538 void InsetMathHull::mathAsLatex(WriteStream & os) const
2540 MathEnsurer ensurer(os, false);
2541 bool havenumbers = haveNumbers();
2542 bool const havetable = havenumbers || nrows() > 1 || ncols() > 1;
2545 os << cell(index(0, 0));
2549 os << "<table class='mathtable'>";
2550 for (row_type row = 0; row < nrows(); ++row) {
2552 for (col_type col = 0; col < ncols(); ++col) {
2553 os << "<td class='math'>";
2554 os << cell(index(row, col));
2559 docstring const & num = numbers_[row];
2561 os << '(' << num << ')';
2570 docstring InsetMathHull::xhtml(XHTMLStream & xs, OutputParams const & op) const
2572 BufferParams::MathOutput const mathtype =
2573 buffer().masterBuffer()->params().html_math_output;
2575 bool success = false;
2577 // we output all the labels just at the beginning of the equation.
2578 // this should be fine.
2579 for (size_t i = 0; i != label_.size(); ++i) {
2580 InsetLabel const * const il = label_[i];
2586 // FIXME Eventually we would like to do this inset by inset.
2587 if (mathtype == BufferParams::MathML) {
2588 odocstringstream os;
2593 } catch (MathExportException const &) {}
2595 if (getType() == hullSimple)
2596 xs << html::StartTag("math",
2597 "xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2599 xs << html::StartTag("math",
2600 "display=\"block\" xmlns=\"http://www.w3.org/1998/Math/MathML\"", true);
2601 xs << XHTMLStream::ESCAPE_NONE
2603 << html::EndTag("math");
2605 } else if (mathtype == BufferParams::HTML) {
2606 odocstringstream os;
2611 } catch (MathExportException const &) {}
2613 string const tag = (getType() == hullSimple) ? "span" : "div";
2614 xs << html::StartTag(tag, "class='formula'", true)
2615 << XHTMLStream::ESCAPE_NONE
2617 << html::EndTag(tag);
2621 // what we actually want is this:
2623 // ((mathtype == BufferParams::MathML || mathtype == BufferParams::HTML)
2625 // || mathtype == BufferParams::Images
2627 // but what follows is equivalent, since we'll enter only if either (a) we
2628 // tried and failed with MathML or HTML or (b) didn't try yet at all but
2629 // aren't doing LaTeX.
2631 // so this is for Images.
2632 if (!success && mathtype != BufferParams::LaTeX) {
2633 graphics::PreviewImage const * pimage = 0;
2635 loadPreview(docit_);
2636 pimage = preview_->getPreviewImage(buffer());
2637 // FIXME Do we always have png?
2640 if (pimage || op.dryrun) {
2641 string const filename = pimage ? pimage->filename().onlyFileName()
2642 : "previewimage.png";
2644 // if we are not in the master buffer, then we need to see that the
2645 // generated image is copied there; otherwise, preview fails.
2646 Buffer const * mbuf = buffer().masterBuffer();
2647 if (mbuf != &buffer()) {
2648 string mbtmp = mbuf->temppath();
2649 FileName const mbufimg(support::addName(mbtmp, filename));
2650 pimage->filename().copyTo(mbufimg);
2652 // add the file to the list of files to be exported
2653 op.exportdata->addExternalFile("xhtml", pimage->filename());
2656 string const tag = (getType() == hullSimple) ? "span" : "div";
2658 << html::StartTag(tag, "style = \"text-align: center;\"")
2659 << html::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
2660 << html::EndTag(tag)
2666 // so we'll pass this test if we've failed everything else, or
2667 // if mathtype was LaTeX, since we won't have entered any of the
2669 if (!success /* || mathtype != BufferParams::LaTeX */) {
2670 // Unfortunately, we cannot use latexString() because we do not want
2671 // $...$ or whatever.
2672 odocstringstream ls;
2673 otexrowstream ots(ls);
2674 WriteStream wi(ots, false, true, WriteStream::wsPreview);
2675 ModeSpecifier specifier(wi, MATH_MODE);
2677 docstring const latex = ls.str();
2679 // class='math' allows for use of jsMath
2680 // http://www.math.union.edu/~dpvc/jsMath/
2682 // probably should allow for some kind of customization here
2683 string const tag = (getType() == hullSimple) ? "span" : "div";
2684 xs << html::StartTag(tag, "class='math'")
2686 << html::EndTag(tag)
2693 void InsetMathHull::toString(odocstream & os) const
2695 odocstringstream ods;
2696 plaintext(ods, OutputParams(0));
2701 void InsetMathHull::forOutliner(docstring & os, size_t const, bool const) const
2703 odocstringstream ods;
2706 // FIXME: this results in spilling TeX into the LyXHTML output since the
2707 // outliner is used to generate the LyXHTML list of figures/etc.
2713 string InsetMathHull::contextMenuName() const
2715 return "context-math";
2719 void InsetMathHull::recordLocation(DocIterator const & di)
2725 bool InsetMathHull::canPaintChange(BufferView const &) const
2727 // We let RowPainter do it seamlessly for inline insets
2728 return display() != Inline;