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 "InsetMathArray.h"
14 #include "InsetMathChar.h"
15 #include "InsetMathColor.h"
17 #include "InsetMathDelim.h"
18 #include "MathExtern.h"
19 #include "MathFactory.h"
20 #include "InsetMathHull.h"
21 #include "MathStream.h"
22 #include "MathParser.h"
23 #include "InsetMathSpace.h"
24 #include "MathStream.h"
25 #include "MathSupport.h"
26 #include "InsetMathRef.h"
29 #include "buffer_funcs.h"
30 #include "BufferParams.h"
31 #include "BufferView.h"
32 #include "CutAndPaste.h"
33 #include "FuncStatus.h"
34 #include "LaTeXFeatures.h"
36 #include "DispatchResult.h"
37 #include "FuncRequest.h"
40 #include "OutputParams.h"
41 #include "ParIterator.h"
44 #include "TextPainter.h"
45 #include "TocBackend.h"
47 #include "insets/RenderPreview.h"
48 #include "insets/InsetLabel.h"
50 #include "graphics/PreviewImage.h"
51 #include "graphics/PreviewLoader.h"
53 #include "frontends/Painter.h"
55 #include "support/lassert.h"
56 #include "support/debug.h"
57 #include "support/gettext.h"
58 #include "support/lstrings.h"
63 using namespace lyx::support;
67 using cap::grabAndEraseSelection;
71 int getCols(HullType type)
88 // returns position of first relation operator in the array
89 // used for "intelligent splitting"
90 size_t firstRelOp(MathData const & ar)
92 for (MathData::const_iterator it = ar.begin(); it != ar.end(); ++it)
94 return it - ar.begin();
99 char const * star(bool numbered)
101 return numbered ? "" : "*";
105 } // end anon namespace
108 HullType hullType(docstring const & s)
110 if (s == "none") return hullNone;
111 if (s == "simple") return hullSimple;
112 if (s == "equation") return hullEquation;
113 if (s == "eqnarray") return hullEqnArray;
114 if (s == "align") return hullAlign;
115 if (s == "alignat") return hullAlignAt;
116 if (s == "xalignat") return hullXAlignAt;
117 if (s == "xxalignat") return hullXXAlignAt;
118 if (s == "multline") return hullMultline;
119 if (s == "gather") return hullGather;
120 if (s == "flalign") return hullFlAlign;
121 if (s == "regexp") return hullRegexp;
122 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
127 docstring hullName(HullType type)
130 case hullNone: return from_ascii("none");
131 case hullSimple: return from_ascii("simple");
132 case hullEquation: return from_ascii("equation");
133 case hullEqnArray: return from_ascii("eqnarray");
134 case hullAlign: return from_ascii("align");
135 case hullAlignAt: return from_ascii("alignat");
136 case hullXAlignAt: return from_ascii("xalignat");
137 case hullXXAlignAt: return from_ascii("xxalignat");
138 case hullMultline: return from_ascii("multline");
139 case hullGather: return from_ascii("gather");
140 case hullFlAlign: return from_ascii("flalign");
141 case hullRegexp: return from_ascii("regexp");
143 lyxerr << "unknown hull type '" << type << "'" << endl;
144 return from_ascii("none");
148 static InsetLabel * dummy_pointer = 0;
150 InsetMathHull::InsetMathHull()
151 : InsetMathGrid(1, 1), type_(hullNone), nonum_(1, false),
152 label_(1, dummy_pointer), preview_(new RenderPreview(this))
154 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
155 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
156 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
157 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
163 InsetMathHull::InsetMathHull(HullType type)
164 : InsetMathGrid(getCols(type), 1), type_(type), nonum_(1, false),
165 label_(1, dummy_pointer), preview_(new RenderPreview(this))
172 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid()
178 InsetMathHull::~InsetMathHull()
180 for (size_t i = 0; i < label_.size(); ++i)
185 Inset * InsetMathHull::clone() const
187 return new InsetMathHull(*this);
191 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
195 InsetMathGrid::operator=(other);
197 nonum_ = other.nonum_;
198 for (size_t i = 0; i < label_.size(); ++i)
200 label_ = other.label_;
201 for (size_t i = 0; i != label_.size(); ++i) {
203 label_[i] = new InsetLabel(*label_[i]);
205 preview_.reset(new RenderPreview(*other.preview_, this));
211 void InsetMathHull::setBuffer(Buffer & buffer)
214 for (idx_type i = 0, n = nargs(); i != n; ++i) {
215 MathData & data = cell(i);
216 for (size_t j = 0; j != data.size(); ++j)
217 data[j].nucleus()->setBuffer(buffer);
220 for (size_t i = 0; i != label_.size(); ++i) {
222 label_[i]->setBuffer(buffer);
227 void InsetMathHull::updateLabels(ParIterator const & it)
230 //FIXME: buffer_ should be set at creation for this inset! Problem is
231 // This inset is created at too many places (see Parser::parse1() in
235 for (size_t i = 0; i != label_.size(); ++i) {
237 label_[i]->updateLabels(it);
242 void InsetMathHull::addToToc(DocIterator const & pit)
245 //FIXME: buffer_ should be set at creation for this inset! Problem is
246 // This inset is created at too many places (see Parser::parse1() in
251 Toc & toc = buffer().tocBackend().toc("equation");
253 for (row_type row = 0; row != nrows(); ++row) {
257 label_[row]->addToToc(pit);
258 toc.push_back(TocItem(pit, 0, nicelabel(row)));
263 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
269 return InsetMathNest::editXY(cur, x, y);
273 InsetMath::mode_type InsetMathHull::currentMode() const
275 if (type_ == hullNone)
276 return UNDECIDED_MODE;
277 // definitely math mode ...
282 bool InsetMathHull::idxFirst(Cursor & cur) const
290 bool InsetMathHull::idxLast(Cursor & cur) const
292 cur.idx() = nargs() - 1;
293 cur.pos() = cur.lastpos();
298 char InsetMathHull::defaultColAlign(col_type col)
300 if (type_ == hullEqnArray)
302 if (type_ == hullGather)
304 if (type_ >= hullAlign)
305 return "rl"[col & 1];
310 int InsetMathHull::defaultColSpace(col_type col)
312 if (type_ == hullAlign || type_ == hullAlignAt)
314 if (type_ == hullXAlignAt)
315 return (col & 1) ? 20 : 0;
316 if (type_ == hullXXAlignAt || type_ == hullFlAlign)
317 return (col & 1) ? 40 : 0;
322 docstring InsetMathHull::standardFont() const
324 return from_ascii(type_ == hullNone ? "lyxnochange" : "mathnormal");
328 bool InsetMathHull::previewState(BufferView * bv) const
330 if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
331 graphics::PreviewImage const * pimage =
332 preview_->getPreviewImage(bv->buffer());
333 return pimage && pimage->image();
339 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
341 if (previewState(mi.base.bv)) {
342 preview_->metrics(mi, dim);
343 // insert a one pixel gap in front of the formula
346 dim.des += displayMargin();
347 // Cache the inset dimension.
348 setDimCache(mi, dim);
352 FontSetChanger dummy1(mi.base, standardFont());
353 StyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
355 // let the cells adjust themselves
356 InsetMathGrid::metrics(mi, dim);
359 dim.asc += displayMargin();
360 dim.des += displayMargin();
363 if (numberedType()) {
364 FontSetChanger dummy(mi.base, from_ascii("mathbf"));
366 for (row_type row = 0; row < nrows(); ++row)
367 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
373 // make it at least as high as the current font
376 math_font_max_dim(mi.base.font, asc, des);
377 dim.asc = max(dim.asc, asc);
378 dim.des = max(dim.des, des);
379 // Cache the inset dimension.
380 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
381 setDimCache(mi, dim);
385 void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
387 Dimension const dim = dimension(*pi.base.bv);
388 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
389 dim.asc + dim.des - 1, pi.backgroundColor(this));
393 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
395 use_preview_ = previewState(pi.base.bv);
398 // one pixel gap in front
399 preview_->draw(pi, x + 1, y);
400 setPosCache(pi, x, y);
404 FontSetChanger dummy1(pi.base, standardFont());
405 StyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
406 InsetMathGrid::draw(pi, x + 1, y);
408 if (numberedType()) {
409 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
410 for (row_type row = 0; row < nrows(); ++row) {
411 int const yy = y + rowinfo_[row].offset_;
412 FontSetChanger dummy(pi.base, from_ascii("mathrm"));
413 docstring const nl = nicelabel(row);
417 setPosCache(pi, x, y);
421 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
424 InsetMathGrid::metricsT(mi, dim);
427 WriteStream wi(os, false, true, false);
429 dim.wid = os.str().size();
436 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
439 InsetMathGrid::drawT(pain, x, y);
442 WriteStream wi(os, false, true, false);
444 pain.draw(x, y, os.str().c_str());
449 static docstring latexString(InsetMathHull const & inset)
452 Encoding const * encoding = &(inset.buffer().params().encoding());
453 WriteStream wi(ls, false, true, false, encoding);
459 void InsetMathHull::initUnicodeMath() const
461 // Trigger classification of the unicode symbols in this inset
462 docstring const dummy = latexString(*this);
466 void InsetMathHull::addPreview(graphics::PreviewLoader & ploader) const
468 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
469 docstring const snippet = latexString(*this);
470 preview_->addPreview(snippet, ploader);
475 bool InsetMathHull::notifyCursorLeaves(Cursor const & /*old*/, Cursor & cur)
477 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
478 Buffer const * buffer = cur.buffer();
479 docstring const snippet = latexString(*this);
480 preview_->addPreview(snippet, *buffer);
481 preview_->startLoading(*buffer);
482 cur.updateFlags(Update::Force);
488 docstring InsetMathHull::label(row_type row) const
490 LASSERT(row < nrows(), /**/);
491 if (InsetLabel * il = label_[row])
492 return il->screenLabel();
497 void InsetMathHull::label(row_type row, docstring const & label)
499 //lyxerr << "setting label '" << label << "' for row " << row << endl;
503 label_[row] = dummy_pointer;
504 // We need an update of the Buffer reference cache.
505 // This is achieved by updateLabels().
506 buffer().updateLabels();
508 label_[row]->updateCommand(label);
512 InsetCommandParams p(LABEL_CODE);
514 label_[row] = new InsetLabel(p);
516 label_[row]->setBuffer(buffer());
520 void InsetMathHull::numbered(row_type row, bool num)
523 if (nonum_[row] && label_[row]) {
527 // The buffer is set at the end of readInset.
528 // When parsing the inset, buffer_ is 0.
531 // We need an update of the Buffer reference cache.
532 // This is achieved by updateLabels().
533 buffer().updateLabels();
538 bool InsetMathHull::numbered(row_type row) const
544 bool InsetMathHull::ams() const
546 return type_ == hullAlign
547 || type_ == hullFlAlign
548 || type_ == hullMultline
549 || type_ == hullGather
550 || type_ == hullAlignAt
551 || type_ == hullXAlignAt
552 || type_ == hullXXAlignAt;
556 Inset::DisplayType InsetMathHull::display() const
558 if (type_ == hullSimple || type_ == hullNone || type_ == hullRegexp)
563 bool InsetMathHull::numberedType() const
565 if (type_ == hullNone)
567 if (type_ == hullSimple)
569 if (type_ == hullXXAlignAt)
571 if (type_ == hullRegexp)
573 for (row_type row = 0; row < nrows(); ++row)
580 void InsetMathHull::validate(LaTeXFeatures & features) const
583 features.require("amsmath");
585 // Validation is necessary only if not using AMS math.
586 // To be safe, we will always run mathedvalidate.
587 //if (features.amsstyle)
590 //features.binom = true;
592 InsetMathGrid::validate(features);
596 void InsetMathHull::header_write(WriteStream & os) const
598 bool n = numberedType();
612 os << "\\begin{equation" << star(n) << "}\n";
622 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
627 os << "\\begin{" << hullName(type_) << star(n) << '}'
628 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
632 os << "\\begin{" << hullName(type_) << '}'
633 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
641 os << "\\begin{unknown" << star(n) << '}';
647 void InsetMathHull::footer_write(WriteStream & os) const
649 bool n = numberedType();
662 os << "\\end{equation" << star(n) << "}\n";
674 os << "\\end{" << hullName(type_) << star(n) << "}\n";
678 os << "\\end{" << hullName(type_) << "}\n";
686 os << "\\end{unknown" << star(n) << '}';
692 bool InsetMathHull::rowChangeOK() const
695 type_ == hullEqnArray || type_ == hullAlign ||
696 type_ == hullFlAlign || type_ == hullAlignAt ||
697 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
698 type_ == hullGather || type_ == hullMultline;
702 bool InsetMathHull::colChangeOK() const
705 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
706 type_ == hullXAlignAt || type_ == hullXXAlignAt;
710 void InsetMathHull::addRow(row_type row)
715 bool numbered = numberedType();
717 if (type_ == hullMultline) {
718 if (row + 1 == nrows()) {
725 nonum_.insert(nonum_.begin() + row + 1, !numbered);
726 label_.insert(label_.begin() + row + 1, dummy_pointer);
729 InsetMathGrid::addRow(row);
733 void InsetMathHull::swapRow(row_type row)
737 if (row + 1 == nrows())
739 // gcc implements the standard std::vector<bool> which is *not* a container:
740 // http://www.gotw.ca/publications/N1185.pdf
741 // As a results, it doesn't like this:
742 // swap(nonum_[row], nonum_[row + 1]);
743 // so we do it manually:
744 bool const b = nonum_[row];
745 nonum_[row] = nonum_[row + 1];
747 swap(label_[row], label_[row + 1]);
748 InsetMathGrid::swapRow(row);
752 void InsetMathHull::delRow(row_type row)
754 if (nrows() <= 1 || !rowChangeOK())
756 if (row + 1 == nrows() && type_ == hullMultline) {
757 bool const b = nonum_[row - 1];
758 nonum_[row - 1] = nonum_[row];
760 swap(label_[row - 1], label_[row]);
761 InsetMathGrid::delRow(row);
764 InsetMathGrid::delRow(row);
765 // The last dummy row has no number info nor a label.
766 // Test nrows() + 1 because we have already erased the row.
767 if (row == nrows() + 1)
769 nonum_.erase(nonum_.begin() + row);
771 label_.erase(label_.begin() + row);
775 void InsetMathHull::addCol(col_type col)
779 InsetMathGrid::addCol(col);
783 void InsetMathHull::delCol(col_type col)
785 if (ncols() <= 1 || !colChangeOK())
787 InsetMathGrid::delCol(col);
791 docstring InsetMathHull::nicelabel(row_type row) const
796 return from_ascii("(#)");
797 return '(' + label_[row]->screenLabel() + from_ascii(", #)");
801 void InsetMathHull::glueall()
804 for (idx_type i = 0; i < nargs(); ++i)
806 *this = InsetMathHull(hullSimple);
812 void InsetMathHull::splitTo2Cols()
814 LASSERT(ncols() == 1, /**/);
815 InsetMathGrid::addCol(1);
816 for (row_type row = 0; row < nrows(); ++row) {
817 idx_type const i = 2 * row;
818 pos_type pos = firstRelOp(cell(i));
819 cell(i + 1) = MathData(cell(i).begin() + pos, cell(i).end());
820 cell(i).erase(pos, cell(i).size());
825 void InsetMathHull::splitTo3Cols()
827 LASSERT(ncols() < 3, /**/);
830 InsetMathGrid::addCol(2);
831 for (row_type row = 0; row < nrows(); ++row) {
832 idx_type const i = 3 * row + 1;
833 if (cell(i).size()) {
834 cell(i + 1) = MathData(cell(i).begin() + 1, cell(i).end());
835 cell(i).erase(1, cell(i).size());
841 void InsetMathHull::changeCols(col_type cols)
845 else if (ncols() < cols) {
851 while (ncols() < cols)
852 InsetMathGrid::addCol(ncols());
858 for (row_type row = 0; row < nrows(); ++row) {
859 idx_type const i = row * ncols();
860 for (col_type col = cols; col < ncols(); ++col) {
861 cell(i + cols - 1).append(cell(i + col));
865 while (ncols() > cols) {
866 InsetMathGrid::delCol(ncols() - 1);
871 HullType InsetMathHull::getType() const
877 void InsetMathHull::setType(HullType type)
884 void InsetMathHull::mutate(HullType newtype)
886 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
888 // we try to move along the chain
889 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
891 // +-------------------------------------+
892 // we use eqnarray as intermediate type for mutations that are not
893 // directly supported because it handles labels and numbering for
896 if (newtype == type_) {
900 else if (newtype < hullNone) {
905 else if (type_ == hullNone) {
911 else if (type_ == hullSimple) {
912 if (newtype == hullNone) {
916 setType(hullEquation);
922 else if (type_ == hullEquation) {
923 if (newtype < type_) {
927 } else if (newtype == hullEqnArray) {
928 // split it "nicely" on the first relop
930 setType(hullEqnArray);
931 } else if (newtype == hullMultline || newtype == hullGather) {
941 else if (type_ == hullEqnArray) {
942 if (newtype < type_) {
943 // set correct (no)numbering
945 for (row_type row = 0; row < nrows(); ++row) {
952 // set first non-empty label
953 for (row_type row = 0; row < nrows(); ++row) {
955 label_[0] = label_[row];
962 } else { // align & Co.
969 else if (type_ == hullAlign || type_ == hullAlignAt ||
970 type_ == hullXAlignAt || type_ == hullFlAlign) {
971 if (newtype < hullAlign) {
973 setType(hullEqnArray);
975 } else if (newtype == hullGather || newtype == hullMultline) {
978 } else if (newtype == hullXXAlignAt) {
979 for (row_type row = 0; row < nrows(); ++row)
980 numbered(row, false);
987 else if (type_ == hullXXAlignAt) {
988 for (row_type row = 0; row < nrows(); ++row)
989 numbered(row, false);
990 if (newtype < hullAlign) {
992 setType(hullEqnArray);
994 } else if (newtype == hullGather || newtype == hullMultline) {
1002 else if (type_ == hullMultline || type_ == hullGather) {
1003 if (newtype == hullGather || newtype == hullMultline)
1005 else if (newtype == hullAlign || newtype == hullFlAlign ||
1006 newtype == hullAlignAt || newtype == hullXAlignAt) {
1009 } else if (newtype == hullXXAlignAt) {
1011 for (row_type row = 0; row < nrows(); ++row)
1012 numbered(row, false);
1016 setType(hullEqnArray);
1022 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1023 << "' to '" << to_utf8(hullName(newtype))
1024 << "' not implemented" << endl;
1029 docstring InsetMathHull::eolString(row_type row, bool emptyline, bool fragile) const
1032 if (numberedType()) {
1033 if (label_[row] && !nonum_[row])
1034 res += "\\label{" + label_[row]->getParam("name") + '}';
1035 if (nonum_[row] && (type_ != hullMultline))
1036 res += "\\nonumber ";
1038 return res + InsetMathGrid::eolString(row, emptyline, fragile);
1042 void InsetMathHull::write(WriteStream & os) const
1044 ModeSpecifier specifier(os, MATH_MODE);
1046 InsetMathGrid::write(os);
1051 void InsetMathHull::normalize(NormalStream & os) const
1053 os << "[formula " << hullName(type_) << ' ';
1054 InsetMathGrid::normalize(os);
1059 void InsetMathHull::mathmlize(MathStream & os) const
1061 InsetMathGrid::mathmlize(os);
1065 void InsetMathHull::infoize(odocstream & os) const
1067 os << "Type: " << hullName(type_);
1071 void InsetMathHull::check() const
1073 LASSERT(nonum_.size() == nrows(), /**/);
1074 LASSERT(label_.size() == nrows(), /**/);
1078 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1082 idocstringstream iss(func.argument());
1083 iss >> dlang >> extra;
1085 extra = from_ascii("noextra");
1086 string const lang = to_ascii(dlang);
1088 // FIXME: temporarily disabled
1089 //if (cur.selection()) {
1092 // lyxerr << "use selection: " << ar << endl;
1093 // insert(pipeThroughExtern(lang, extra, ar));
1098 eq.push_back(MathAtom(new InsetMathChar('=')));
1100 // go to first item in line
1101 cur.idx() -= cur.idx() % ncols();
1104 if (getType() == hullSimple) {
1105 size_type pos = cur.cell().find_last(eq);
1107 if (cur.inMathed() && cur.selection()) {
1108 asArray(grabAndEraseSelection(cur), ar);
1109 } else if (pos == cur.cell().size()) {
1111 lyxerr << "use whole cell: " << ar << endl;
1113 ar = MathData(cur.cell().begin() + pos + 1, cur.cell().end());
1114 lyxerr << "use partial cell form pos: " << pos << endl;
1116 cur.cell().append(eq);
1117 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1118 cur.pos() = cur.lastpos();
1122 if (getType() == hullEquation) {
1123 lyxerr << "use equation inset" << endl;
1124 mutate(hullEqnArray);
1125 MathData & ar = cur.cell();
1126 lyxerr << "use cell: " << ar << endl;
1130 cur.cell() = pipeThroughExtern(lang, extra, ar);
1131 // move to end of line
1132 cur.pos() = cur.lastpos();
1137 lyxerr << "use eqnarray" << endl;
1138 cur.idx() += 2 - cur.idx() % ncols();
1140 MathData ar = cur.cell();
1141 lyxerr << "use cell: " << ar << endl;
1142 // FIXME: temporarily disabled
1148 cur.cell() = pipeThroughExtern(lang, extra, ar);
1149 cur.pos() = cur.lastpos();
1154 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1156 //lyxerr << "action: " << cmd.action << endl;
1157 switch (cmd.action) {
1159 case LFUN_FINISHED_BACKWARD:
1160 case LFUN_FINISHED_FORWARD:
1161 case LFUN_FINISHED_RIGHT:
1162 case LFUN_FINISHED_LEFT:
1163 //lyxerr << "action: " << cmd.action << endl;
1164 InsetMathGrid::doDispatch(cur, cmd);
1168 case LFUN_BREAK_PARAGRAPH:
1169 // just swallow this
1172 case LFUN_NEWLINE_INSERT:
1173 // some magic for the common case
1174 if (type_ == hullSimple || type_ == hullEquation) {
1175 cur.recordUndoInset();
1177 cur.bv().buffer().params().use_amsmath == BufferParams::package_on;
1178 mutate(align ? hullAlign : hullEqnArray);
1179 cur.idx() = nrows() * ncols() - 1;
1180 cur.pos() = cur.lastpos();
1182 InsetMathGrid::doDispatch(cur, cmd);
1185 case LFUN_MATH_NUMBER_TOGGLE: {
1186 //lyxerr << "toggling all numbers" << endl;
1187 cur.recordUndoInset();
1188 bool old = numberedType();
1189 if (type_ == hullMultline)
1190 numbered(nrows() - 1, !old);
1192 for (row_type row = 0; row < nrows(); ++row)
1193 numbered(row, !old);
1195 cur.message(old ? _("No number") : _("Number"));
1199 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1200 cur.recordUndoInset();
1201 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1202 bool old = numbered(r);
1203 cur.message(old ? _("No number") : _("Number"));
1208 case LFUN_LABEL_INSERT: {
1209 cur.recordUndoInset();
1210 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1211 docstring old_label = label(r);
1212 docstring const default_label = from_ascii(
1213 (lyxrc.label_init_length >= 0) ? "eq:" : "");
1214 if (old_label.empty())
1215 old_label = default_label;
1217 InsetCommandParams p(LABEL_CODE);
1218 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1219 string const data = InsetCommand::params2string("label", p);
1221 if (cmd.argument().empty())
1222 cur.bv().showDialog("label", data);
1224 FuncRequest fr(LFUN_INSET_INSERT, data);
1230 case LFUN_WORD_DELETE_FORWARD:
1231 case LFUN_CHAR_DELETE_FORWARD:
1232 if (col(cur.idx()) + 1 == ncols()
1233 && cur.pos() == cur.lastpos()) {
1234 if (!label(row(cur.idx())).empty()) {
1235 cur.recordUndoInset();
1236 label(row(cur.idx()), docstring());
1237 } else if (numbered(row(cur.idx()))) {
1238 cur.recordUndoInset();
1239 numbered(row(cur.idx()), false);
1241 InsetMathGrid::doDispatch(cur, cmd);
1245 InsetMathGrid::doDispatch(cur, cmd);
1250 case LFUN_INSET_INSERT: {
1251 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1252 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1253 string const name = cmd.getArg(0);
1254 if (name == "label") {
1255 InsetCommandParams p(LABEL_CODE);
1256 InsetCommand::string2params(name, to_utf8(cmd.argument()), p);
1257 docstring str = p["name"];
1258 cur.recordUndoInset();
1259 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1263 docstring old = label(r);
1266 // The label will take care of the reference update.
1270 // Newly created inset so initialize it.
1271 label_[r]->initView();
1276 InsetMathGrid::doDispatch(cur, cmd);
1280 case LFUN_MATH_EXTERN:
1281 cur.recordUndoInset();
1285 case LFUN_MATH_MUTATE: {
1286 cur.recordUndoInset();
1287 row_type row = cur.row();
1288 col_type col = cur.col();
1289 mutate(hullType(cmd.argument()));
1290 cur.idx() = row * ncols() + col;
1291 if (cur.idx() > cur.lastidx()) {
1292 cur.idx() = cur.lastidx();
1293 cur.pos() = cur.lastpos();
1295 if (cur.pos() > cur.lastpos())
1296 cur.pos() = cur.lastpos();
1298 // FIXME: find some more clever handling of the selection,
1299 // i.e. preserve it.
1300 cur.clearSelection();
1301 //cur.dispatched(FINISHED);
1305 case LFUN_MATH_DISPLAY: {
1306 cur.recordUndoInset();
1307 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1309 cur.pos() = cur.lastpos();
1310 //cur.dispatched(FINISHED);
1315 InsetMathGrid::doDispatch(cur, cmd);
1321 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1322 FuncStatus & status) const
1324 switch (cmd.action) {
1325 case LFUN_FINISHED_BACKWARD:
1326 case LFUN_FINISHED_FORWARD:
1327 case LFUN_FINISHED_RIGHT:
1328 case LFUN_FINISHED_LEFT:
1331 case LFUN_NEWLINE_INSERT:
1332 case LFUN_MATH_EXTERN:
1333 case LFUN_MATH_MUTATE:
1334 case LFUN_MATH_DISPLAY:
1336 status.setEnabled(true);
1338 case LFUN_MATH_NUMBER_TOGGLE:
1339 // FIXME: what is the right test, this or the one of
1341 status.setEnabled(display());
1342 status.setOnOff(numberedType());
1344 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1345 // FIXME: what is the right test, this or the one of
1347 bool const enable = (type_ == hullMultline)
1348 ? (nrows() - 1 == cur.row())
1349 : display() != Inline;
1350 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1351 status.setEnabled(enable);
1352 status.setOnOff(numbered(r));
1355 case LFUN_LABEL_INSERT:
1356 status.setEnabled(type_ != hullSimple);
1358 case LFUN_INSET_INSERT:
1359 if (cmd.getArg(0) == "label") {
1360 status.setEnabled(type_ != hullSimple);
1363 return InsetMathGrid::getStatus(cur, cmd, status);
1364 case LFUN_TABULAR_FEATURE: {
1365 istringstream is(to_utf8(cmd.argument()));
1369 && (s == "append-row"
1370 || s == "delete-row"
1371 || s == "copy-row")) {
1372 status.message(bformat(
1373 from_utf8(N_("Can't change number of rows in '%1$s'")),
1375 status.setEnabled(false);
1379 && (s == "append-column"
1380 || s == "delete-column"
1381 || s == "copy-column")) {
1382 status.message(bformat(
1383 from_utf8(N_("Can't change number of columns in '%1$s'")),
1385 status.setEnabled(false);
1388 if ((type_ == hullSimple
1389 || type_ == hullEquation
1390 || type_ == hullNone) &&
1391 (s == "add-hline-above" || s == "add-hline-below")) {
1392 status.message(bformat(
1393 from_utf8(N_("Can't add horizontal grid lines in '%1$s'")),
1395 status.setEnabled(false);
1398 if (s == "add-vline-left" || s == "add-vline-right") {
1399 status.message(bformat(
1400 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
1402 status.setEnabled(false);
1405 if (s == "valign-top" || s == "valign-middle"
1406 || s == "valign-bottom" || s == "align-left"
1407 || s == "align-center" || s == "align-right") {
1408 status.setEnabled(false);
1411 return InsetMathGrid::getStatus(cur, cmd, status);
1414 return InsetMathGrid::getStatus(cur, cmd, status);
1417 // This cannot really happen, but inserted to shut-up gcc
1418 return InsetMathGrid::getStatus(cur, cmd, status);
1422 /////////////////////////////////////////////////////////////////////
1426 // simply scrap this function if you want
1427 void InsetMathHull::mutateToText()
1430 // translate to latex
1432 latex(os, false, false);
1433 string str = os.str();
1436 Text * lt = view_->cursor().innerText();
1437 string::const_iterator cit = str.begin();
1438 string::const_iterator end = str.end();
1439 for (; cit != end; ++cit)
1440 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
1443 //dispatch(LFUN_ESCAPE);
1448 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
1449 docstring const & font)
1451 // this whole function is a hack and won't work for incremental font
1454 if (cur.inset().asInsetMath()->name() == font)
1455 cur.handleFont(to_utf8(font));
1457 cur.handleNest(createInsetMath(font));
1463 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
1468 font.fromString(to_utf8(arg), b);
1469 if (font.fontInfo().color() != Color_inherit) {
1470 MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
1471 cur.handleNest(at, 0);
1476 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
1479 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1480 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1481 enter_front ? idxFirst(cur) : idxLast(cur);
1482 // The inset formula dimension is not necessarily the same as the
1483 // one of the instant preview image, so we have to indicate to the
1484 // BufferView that a metrics update is needed.
1485 cur.updateFlags(Update::Force);
1489 docstring InsetMathHull::editMessage() const
1491 return _("Math editor mode");
1495 void InsetMathHull::revealCodes(Cursor & cur) const
1497 if (!cur.inMathed())
1499 odocstringstream os;
1501 cur.message(os.str());
1503 // write something to the minibuffer
1504 // translate to latex
1508 string str = os.str();
1510 string::size_type pos = 0;
1512 for (string::iterator it = str.begin(); it != str.end(); ++it) {
1515 else if (*it == '\0') {
1517 pos = it - str.begin();
1523 res = res.substr(pos - 30);
1524 if (res.size() > 60)
1525 res = res.substr(0, 60);
1531 InsetCode InsetMathHull::lyxCode() const
1537 /////////////////////////////////////////////////////////////////////
1541 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
1544 // FIXME: completely broken
1545 static InsetMathHull * lastformula = 0;
1546 static CursorBase current = DocIterator(ibegin(nucleus()));
1548 static string laststr;
1550 if (lastformula != this || laststr != str) {
1551 //lyxerr << "reset lastformula to " << this << endl;
1554 current = ibegin(nucleus());
1556 mathed_parse_cell(ar, str);
1560 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
1562 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
1563 CursorSlice & top = it.back();
1564 MathData const & a = top.asInsetMath()->cell(top.idx_);
1565 if (a.matchpart(ar, top.pos_)) {
1566 bv->cursor().setSelection(it, ar.size());
1568 top.pos_ += ar.size();
1574 //lyxerr << "not found!" << endl;
1581 void InsetMathHull::write(ostream & os) const
1583 odocstringstream oss;
1584 WriteStream wi(oss, false, false, false);
1587 os << to_utf8(oss.str());
1591 void InsetMathHull::read(Lexer & lex)
1594 mathed_parse_normal(at, lex);
1595 operator=(*at->asHullInset());
1599 bool InsetMathHull::readQuiet(Lexer & lex)
1602 bool result = mathed_parse_normal(at, lex, Parse::QUIET);
1603 operator=(*at->asHullInset());
1608 int InsetMathHull::plaintext(odocstream & os, OutputParams const & runparams) const
1610 if (0 && display()) {
1614 TextPainter tpain(dim.width(), dim.height());
1615 drawT(tpain, 0, dim.ascent());
1617 // reset metrics cache to "real" values
1619 return tpain.textheight();
1621 odocstringstream oss;
1622 WriteStream wi(oss, false, true, false, runparams.encoding);
1625 docstring const str = oss.str();
1632 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
1637 if (getType() == hullSimple)
1638 name = from_ascii("inlineequation");
1640 name = from_ascii("informalequation");
1642 docstring bname = name;
1643 if (!label(0).empty())
1644 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
1646 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
1648 odocstringstream ls;
1649 if (runparams.flavor == OutputParams::XML) {
1650 ms << MTag("alt role='tex' ");
1651 // Workaround for db2latex: db2latex always includes equations with
1652 // \ensuremath{} or \begin{display}\end{display}
1653 // so we strip LyX' math environment
1654 WriteStream wi(ls, false, false, false, runparams.encoding);
1655 InsetMathGrid::write(wi);
1656 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1661 InsetMathGrid::mathmlize(ms);
1664 ms << MTag("alt role='tex'");
1665 res = latex(ls, runparams);
1666 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1670 ms << from_ascii("<graphic fileref=\"eqn/");
1671 if (!label(0).empty())
1672 ms << sgml::cleanID(buffer(), runparams, label(0));
1674 ms << sgml::uniqueID(from_ascii("anon"));
1676 if (runparams.flavor == OutputParams::XML)
1677 ms << from_ascii("\"/>");
1679 ms << from_ascii("\">");
1681 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
1683 return ms.line() + res;
1687 void InsetMathHull::textString(odocstream & os) const
1689 plaintext(os, OutputParams(0));
1693 docstring InsetMathHull::contextMenu(BufferView const &, int, int) const
1695 return from_ascii("context-math");