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 lyxerr << "unknown hull type '" << to_utf8(s) << "'" << endl;
126 docstring hullName(HullType type)
129 case hullNone: return from_ascii("none");
130 case hullSimple: return from_ascii("simple");
131 case hullEquation: return from_ascii("equation");
132 case hullEqnArray: return from_ascii("eqnarray");
133 case hullAlign: return from_ascii("align");
134 case hullAlignAt: return from_ascii("alignat");
135 case hullXAlignAt: return from_ascii("xalignat");
136 case hullXXAlignAt: return from_ascii("xxalignat");
137 case hullMultline: return from_ascii("multline");
138 case hullGather: return from_ascii("gather");
139 case hullFlAlign: return from_ascii("flalign");
141 lyxerr << "unknown hull type '" << type << "'" << endl;
142 return from_ascii("none");
146 static InsetLabel * dummy_pointer = 0;
148 InsetMathHull::InsetMathHull()
149 : InsetMathGrid(1, 1), type_(hullNone), nonum_(1, false),
150 label_(1, dummy_pointer), preview_(new RenderPreview(this))
152 //lyxerr << "sizeof InsetMath: " << sizeof(InsetMath) << endl;
153 //lyxerr << "sizeof MetricsInfo: " << sizeof(MetricsInfo) << endl;
154 //lyxerr << "sizeof InsetMathChar: " << sizeof(InsetMathChar) << endl;
155 //lyxerr << "sizeof FontInfo: " << sizeof(FontInfo) << endl;
161 InsetMathHull::InsetMathHull(HullType type)
162 : InsetMathGrid(getCols(type), 1), type_(type), nonum_(1, false),
163 label_(1, dummy_pointer), preview_(new RenderPreview(this))
170 InsetMathHull::InsetMathHull(InsetMathHull const & other) : InsetMathGrid()
176 InsetMathHull::~InsetMathHull()
178 for (size_t i = 0; i < label_.size(); ++i)
183 Inset * InsetMathHull::clone() const
185 return new InsetMathHull(*this);
189 InsetMathHull & InsetMathHull::operator=(InsetMathHull const & other)
193 InsetMathGrid::operator=(other);
195 nonum_ = other.nonum_;
196 for (size_t i = 0; i < label_.size(); ++i)
198 label_ = other.label_;
199 for (size_t i = 0; i != label_.size(); ++i) {
201 label_[i] = new InsetLabel(*label_[i]);
203 preview_.reset(new RenderPreview(*other.preview_, this));
209 void InsetMathHull::setBuffer(Buffer & buffer)
212 for (idx_type i = 0, n = nargs(); i != n; ++i) {
213 MathData & data = cell(i);
214 for (size_t j = 0; j != data.size(); ++j)
215 data[j].nucleus()->setBuffer(buffer);
218 for (size_t i = 0; i != label_.size(); ++i) {
220 label_[i]->setBuffer(buffer);
225 void InsetMathHull::updateLabels(ParIterator const & it)
228 //FIXME: buffer_ should be set at creation for this inset! Problem is
229 // This inset is created at too many places (see Parser::parse1() in
233 for (size_t i = 0; i != label_.size(); ++i) {
235 label_[i]->updateLabels(it);
240 void InsetMathHull::addToToc(DocIterator const & pit)
243 //FIXME: buffer_ should be set at creation for this inset! Problem is
244 // This inset is created at too many places (see Parser::parse1() in
249 Toc & toc = buffer().tocBackend().toc("equation");
251 for (row_type row = 0; row != nrows(); ++row) {
255 label_[row]->addToToc(pit);
256 toc.push_back(TocItem(pit, 0, nicelabel(row)));
261 Inset * InsetMathHull::editXY(Cursor & cur, int x, int y)
267 return InsetMathNest::editXY(cur, x, y);
271 InsetMath::mode_type InsetMathHull::currentMode() const
273 if (type_ == hullNone)
274 return UNDECIDED_MODE;
275 // definitely math mode ...
280 bool InsetMathHull::idxFirst(Cursor & cur) const
288 bool InsetMathHull::idxLast(Cursor & cur) const
290 cur.idx() = nargs() - 1;
291 cur.pos() = cur.lastpos();
296 char InsetMathHull::defaultColAlign(col_type col)
298 if (type_ == hullEqnArray)
300 if (type_ == hullGather)
302 if (type_ >= hullAlign)
303 return "rl"[col & 1];
308 int InsetMathHull::defaultColSpace(col_type col)
310 if (type_ == hullAlign || type_ == hullAlignAt)
312 if (type_ == hullXAlignAt)
313 return (col & 1) ? 20 : 0;
314 if (type_ == hullXXAlignAt || type_ == hullFlAlign)
315 return (col & 1) ? 40 : 0;
320 docstring InsetMathHull::standardFont() const
322 return from_ascii(type_ == hullNone ? "lyxnochange" : "mathnormal");
326 bool InsetMathHull::previewState(BufferView * bv) const
328 if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
329 graphics::PreviewImage const * pimage =
330 preview_->getPreviewImage(bv->buffer());
331 return pimage && pimage->image();
337 void InsetMathHull::metrics(MetricsInfo & mi, Dimension & dim) const
339 if (previewState(mi.base.bv)) {
340 preview_->metrics(mi, dim);
341 // insert a one pixel gap in front of the formula
344 dim.des += displayMargin();
345 // Cache the inset dimension.
346 setDimCache(mi, dim);
350 FontSetChanger dummy1(mi.base, standardFont());
351 StyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
353 // let the cells adjust themselves
354 InsetMathGrid::metrics(mi, dim);
357 dim.asc += displayMargin();
358 dim.des += displayMargin();
361 if (numberedType()) {
362 FontSetChanger dummy(mi.base, from_ascii("mathbf"));
364 for (row_type row = 0; row < nrows(); ++row)
365 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
371 // make it at least as high as the current font
374 math_font_max_dim(mi.base.font, asc, des);
375 dim.asc = max(dim.asc, asc);
376 dim.des = max(dim.des, des);
377 // Cache the inset dimension.
378 // FIXME: This will overwrite InsetMathGrid dimension, is that OK?
379 setDimCache(mi, dim);
383 void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
385 use_preview_ = previewState(pi.base.bv);
386 Dimension const dim = dimension(*pi.base.bv);
388 // background of mathed under focus is not painted because
389 // selection at the top level of nested inset is difficult to handle.
390 if (!editing(pi.base.bv))
391 pi.pain.fillRectangle(x + 1, y - dim.asc + 1, dim.wid - 2,
392 dim.asc + dim.des - 1, Color_mathbg);
395 // one pixel gap in front
396 preview_->draw(pi, x + 1, y);
397 setPosCache(pi, x, y);
401 FontSetChanger dummy1(pi.base, standardFont());
402 StyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
403 InsetMathGrid::draw(pi, x + 1, y);
405 if (numberedType()) {
406 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
407 for (row_type row = 0; row < nrows(); ++row) {
408 int const yy = y + rowinfo_[row].offset_;
409 FontSetChanger dummy(pi.base, from_ascii("mathrm"));
410 docstring const nl = nicelabel(row);
414 setPosCache(pi, x, y);
418 void InsetMathHull::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
421 InsetMathGrid::metricsT(mi, dim);
424 WriteStream wi(os, false, true, false);
426 dim.wid = os.str().size();
433 void InsetMathHull::drawT(TextPainter & pain, int x, int y) const
436 InsetMathGrid::drawT(pain, x, y);
439 WriteStream wi(os, false, true, false);
441 pain.draw(x, y, os.str().c_str());
446 static docstring latexString(InsetMathHull const & inset)
449 // This has to be static, because a preview snippet containing math
450 // in text mode (such as $\text{$\phi$}$) gets processed twice. The
451 // first time as a whole, and the second time only the inner math.
452 // In this last case inset.buffer() would be invalid.
453 // FIXME: preview snippets should only be processed once, such that
454 // both static qualifier and isBufferValid() check can be dropped.
455 static Encoding const * encoding = 0;
456 if (inset.isBufferValid())
457 encoding = &(inset.buffer().params().encoding());
458 WriteStream wi(ls, false, true, false, encoding);
464 void InsetMathHull::initUnicodeMath() const
466 // Trigger classification of the unicode symbols in this inset
467 docstring const dummy = latexString(*this);
471 void InsetMathHull::addPreview(graphics::PreviewLoader & ploader) const
473 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
474 docstring const snippet = latexString(*this);
475 preview_->addPreview(snippet, ploader);
480 bool InsetMathHull::notifyCursorLeaves(Cursor const & /*old*/, Cursor & cur)
482 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
483 Buffer const & buffer = cur.buffer();
484 docstring const snippet = latexString(*this);
485 preview_->addPreview(snippet, buffer);
486 preview_->startLoading(buffer);
487 cur.updateFlags(Update::Force);
493 docstring InsetMathHull::label(row_type row) const
495 LASSERT(row < nrows(), /**/);
496 if (InsetLabel * il = label_[row])
497 return il->screenLabel();
502 void InsetMathHull::label(row_type row, docstring const & label)
504 //lyxerr << "setting label '" << label << "' for row " << row << endl;
508 label_[row] = dummy_pointer;
509 // We need an update of the Buffer reference cache.
510 // This is achieved by updateLabels().
511 lyx::updateLabels(buffer());
513 label_[row]->updateCommand(label);
516 InsetCommandParams p(LABEL_CODE);
518 label_[row] = new InsetLabel(p);
520 label_[row]->setBuffer(buffer());
524 void InsetMathHull::numbered(row_type row, bool num)
527 if (nonum_[row] && label_[row]) {
530 // We need an update of the Buffer reference cache.
531 // This is achieved by updateLabels().
532 lyx::updateLabels(buffer());
537 bool InsetMathHull::numbered(row_type row) const
543 bool InsetMathHull::ams() const
546 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 return (type_ != hullSimple && type_ != hullNone) ? AlignCenter : Inline;
562 bool InsetMathHull::numberedType() const
564 if (type_ == hullNone)
566 if (type_ == hullSimple)
568 if (type_ == hullXXAlignAt)
570 for (row_type row = 0; row < nrows(); ++row)
577 void InsetMathHull::validate(LaTeXFeatures & features) const
580 features.require("amsmath");
582 // Validation is necessary only if not using AMS math.
583 // To be safe, we will always run mathedvalidate.
584 //if (features.amsstyle)
587 //features.binom = true;
589 InsetMathGrid::validate(features);
593 void InsetMathHull::header_write(WriteStream & os) const
595 bool n = numberedType();
609 os << "\\begin{equation" << star(n) << "}\n";
619 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
624 os << "\\begin{" << hullName(type_) << star(n) << '}'
625 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
629 os << "\\begin{" << hullName(type_) << '}'
630 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
634 os << "\\begin{unknown" << star(n) << '}';
640 void InsetMathHull::footer_write(WriteStream & os) const
642 bool n = numberedType();
655 os << "\\end{equation" << star(n) << "}\n";
667 os << "\\end{" << hullName(type_) << star(n) << "}\n";
671 os << "\\end{" << hullName(type_) << "}\n";
675 os << "\\end{unknown" << star(n) << '}';
681 bool InsetMathHull::rowChangeOK() const
684 type_ == hullEqnArray || type_ == hullAlign ||
685 type_ == hullFlAlign || type_ == hullAlignAt ||
686 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
687 type_ == hullGather || type_ == hullMultline;
691 bool InsetMathHull::colChangeOK() const
694 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
695 type_ == hullXAlignAt || type_ == hullXXAlignAt;
699 void InsetMathHull::addRow(row_type row)
704 bool numbered = numberedType();
706 if (type_ == hullMultline) {
707 if (row + 1 == nrows()) {
714 nonum_.insert(nonum_.begin() + row + 1, !numbered);
715 label_.insert(label_.begin() + row + 1, dummy_pointer);
718 InsetMathGrid::addRow(row);
722 void InsetMathHull::swapRow(row_type row)
726 if (row + 1 == nrows())
728 // gcc implements the standard std::vector<bool> which is *not* a container:
729 // http://www.gotw.ca/publications/N1185.pdf
730 // As a results, it doesn't like this:
731 // swap(nonum_[row], nonum_[row + 1]);
732 // so we do it manually:
733 bool const b = nonum_[row];
734 nonum_[row] = nonum_[row + 1];
736 swap(label_[row], label_[row + 1]);
737 InsetMathGrid::swapRow(row);
741 void InsetMathHull::delRow(row_type row)
743 if (nrows() <= 1 || !rowChangeOK())
745 if (row + 1 == nrows() && type_ == hullMultline) {
746 bool const b = nonum_[row - 1];
747 nonum_[row - 1] = nonum_[row];
749 swap(label_[row - 1], label_[row]);
750 InsetMathGrid::delRow(row);
753 InsetMathGrid::delRow(row);
754 // The last dummy row has no number info nor a label.
755 // Test nrows() + 1 because we have already erased the row.
756 if (row == nrows() + 1)
758 nonum_.erase(nonum_.begin() + row);
760 label_.erase(label_.begin() + row);
764 void InsetMathHull::addCol(col_type col)
768 InsetMathGrid::addCol(col);
772 void InsetMathHull::delCol(col_type col)
774 if (ncols() <= 1 || !colChangeOK())
776 InsetMathGrid::delCol(col);
780 docstring InsetMathHull::nicelabel(row_type row) const
785 return from_ascii("(#)");
786 return '(' + label_[row]->screenLabel() + from_ascii(", #)");
790 void InsetMathHull::glueall()
793 for (idx_type i = 0; i < nargs(); ++i)
795 *this = InsetMathHull(hullSimple);
801 void InsetMathHull::splitTo2Cols()
803 LASSERT(ncols() == 1, /**/);
804 InsetMathGrid::addCol(1);
805 for (row_type row = 0; row < nrows(); ++row) {
806 idx_type const i = 2 * row;
807 pos_type pos = firstRelOp(cell(i));
808 cell(i + 1) = MathData(cell(i).begin() + pos, cell(i).end());
809 cell(i).erase(pos, cell(i).size());
814 void InsetMathHull::splitTo3Cols()
816 LASSERT(ncols() < 3, /**/);
819 InsetMathGrid::addCol(2);
820 for (row_type row = 0; row < nrows(); ++row) {
821 idx_type const i = 3 * row + 1;
822 if (cell(i).size()) {
823 cell(i + 1) = MathData(cell(i).begin() + 1, cell(i).end());
824 cell(i).erase(1, cell(i).size());
830 void InsetMathHull::changeCols(col_type cols)
834 else if (ncols() < cols) {
840 while (ncols() < cols)
841 InsetMathGrid::addCol(ncols());
847 for (row_type row = 0; row < nrows(); ++row) {
848 idx_type const i = row * ncols();
849 for (col_type col = cols; col < ncols(); ++col) {
850 cell(i + cols - 1).append(cell(i + col));
854 while (ncols() > cols) {
855 InsetMathGrid::delCol(ncols() - 1);
860 HullType InsetMathHull::getType() const
866 void InsetMathHull::setType(HullType type)
873 void InsetMathHull::mutate(HullType newtype)
875 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
877 // we try to move along the chain
878 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
880 // +-------------------------------------+
881 // we use eqnarray as intermediate type for mutations that are not
882 // directly supported because it handles labels and numbering for
885 if (newtype == type_) {
889 else if (newtype < hullNone) {
894 else if (type_ == hullNone) {
900 else if (type_ == hullSimple) {
901 if (newtype == hullNone) {
905 setType(hullEquation);
911 else if (type_ == hullEquation) {
912 if (newtype < type_) {
916 } else if (newtype == hullEqnArray) {
917 // split it "nicely" on the first relop
919 setType(hullEqnArray);
920 } else if (newtype == hullMultline || newtype == hullGather) {
930 else if (type_ == hullEqnArray) {
931 if (newtype < type_) {
932 // set correct (no)numbering
934 for (row_type row = 0; row < nrows(); ++row) {
941 // set first non-empty label
942 for (row_type row = 0; row < nrows(); ++row) {
944 label_[0] = label_[row];
951 } else { // align & Co.
958 else if (type_ == hullAlign || type_ == hullAlignAt ||
959 type_ == hullXAlignAt || type_ == hullFlAlign) {
960 if (newtype < hullAlign) {
962 setType(hullEqnArray);
964 } else if (newtype == hullGather || newtype == hullMultline) {
967 } else if (newtype == hullXXAlignAt) {
968 for (row_type row = 0; row < nrows(); ++row)
969 numbered(row, false);
976 else if (type_ == hullXXAlignAt) {
977 for (row_type row = 0; row < nrows(); ++row)
978 numbered(row, false);
979 if (newtype < hullAlign) {
981 setType(hullEqnArray);
983 } else if (newtype == hullGather || newtype == hullMultline) {
991 else if (type_ == hullMultline || type_ == hullGather) {
992 if (newtype == hullGather || newtype == hullMultline)
994 else if (newtype == hullAlign || newtype == hullFlAlign ||
995 newtype == hullAlignAt || newtype == hullXAlignAt) {
998 } else if (newtype == hullXXAlignAt) {
1000 for (row_type row = 0; row < nrows(); ++row)
1001 numbered(row, false);
1005 setType(hullEqnArray);
1011 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1012 << "' to '" << to_utf8(hullName(newtype))
1013 << "' not implemented" << endl;
1018 docstring InsetMathHull::eolString(row_type row, bool emptyline, bool fragile) const
1021 if (numberedType()) {
1022 if (label_[row] && !nonum_[row])
1023 res += "\\label{" + label_[row]->getParam("name") + '}';
1024 if (nonum_[row] && (type_ != hullMultline))
1025 res += "\\nonumber ";
1027 return res + InsetMathGrid::eolString(row, emptyline, fragile);
1031 void InsetMathHull::write(WriteStream & os) const
1033 ModeSpecifier specifier(os, MATH_MODE);
1035 InsetMathGrid::write(os);
1040 void InsetMathHull::normalize(NormalStream & os) const
1042 os << "[formula " << hullName(type_) << ' ';
1043 InsetMathGrid::normalize(os);
1048 void InsetMathHull::mathmlize(MathStream & os) const
1050 InsetMathGrid::mathmlize(os);
1054 void InsetMathHull::infoize(odocstream & os) const
1056 os << "Type: " << hullName(type_);
1060 void InsetMathHull::check() const
1062 LASSERT(nonum_.size() == nrows(), /**/);
1063 LASSERT(label_.size() == nrows(), /**/);
1067 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1071 idocstringstream iss(func.argument());
1072 iss >> dlang >> extra;
1074 extra = from_ascii("noextra");
1075 string const lang = to_ascii(dlang);
1077 // FIXME: temporarily disabled
1078 //if (cur.selection()) {
1081 // lyxerr << "use selection: " << ar << endl;
1082 // insert(pipeThroughExtern(lang, extra, ar));
1087 eq.push_back(MathAtom(new InsetMathChar('=')));
1089 // go to first item in line
1090 cur.idx() -= cur.idx() % ncols();
1093 if (getType() == hullSimple) {
1094 size_type pos = cur.cell().find_last(eq);
1096 if (cur.inMathed() && cur.selection()) {
1097 asArray(grabAndEraseSelection(cur), ar);
1098 } else if (pos == cur.cell().size()) {
1100 lyxerr << "use whole cell: " << ar << endl;
1102 ar = MathData(cur.cell().begin() + pos + 1, cur.cell().end());
1103 lyxerr << "use partial cell form pos: " << pos << endl;
1105 cur.cell().append(eq);
1106 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1107 cur.pos() = cur.lastpos();
1111 if (getType() == hullEquation) {
1112 lyxerr << "use equation inset" << endl;
1113 mutate(hullEqnArray);
1114 MathData & ar = cur.cell();
1115 lyxerr << "use cell: " << ar << endl;
1119 cur.cell() = pipeThroughExtern(lang, extra, ar);
1120 // move to end of line
1121 cur.pos() = cur.lastpos();
1126 lyxerr << "use eqnarray" << endl;
1127 cur.idx() += 2 - cur.idx() % ncols();
1129 MathData ar = cur.cell();
1130 lyxerr << "use cell: " << ar << endl;
1131 // FIXME: temporarily disabled
1137 cur.cell() = pipeThroughExtern(lang, extra, ar);
1138 cur.pos() = cur.lastpos();
1143 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1145 //lyxerr << "action: " << cmd.action << endl;
1146 switch (cmd.action) {
1148 case LFUN_FINISHED_BACKWARD:
1149 case LFUN_FINISHED_FORWARD:
1150 case LFUN_FINISHED_RIGHT:
1151 case LFUN_FINISHED_LEFT:
1152 //lyxerr << "action: " << cmd.action << endl;
1153 InsetMathGrid::doDispatch(cur, cmd);
1157 case LFUN_BREAK_PARAGRAPH:
1158 // just swallow this
1161 case LFUN_NEWLINE_INSERT:
1162 // some magic for the common case
1163 if (type_ == hullSimple || type_ == hullEquation) {
1164 cur.recordUndoInset();
1166 cur.bv().buffer().params().use_amsmath == BufferParams::package_on;
1167 mutate(align ? hullAlign : hullEqnArray);
1168 cur.idx() = nrows() * ncols() - 1;
1169 cur.pos() = cur.lastpos();
1171 InsetMathGrid::doDispatch(cur, cmd);
1174 case LFUN_MATH_NUMBER_TOGGLE: {
1175 //lyxerr << "toggling all numbers" << endl;
1176 cur.recordUndoInset();
1177 bool old = numberedType();
1178 if (type_ == hullMultline)
1179 numbered(nrows() - 1, !old);
1181 for (row_type row = 0; row < nrows(); ++row)
1182 numbered(row, !old);
1184 cur.message(old ? _("No number") : _("Number"));
1188 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1189 cur.recordUndoInset();
1190 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1191 bool old = numbered(r);
1192 cur.message(old ? _("No number") : _("Number"));
1197 case LFUN_LABEL_INSERT: {
1198 cur.recordUndoInset();
1199 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1200 docstring old_label = label(r);
1201 docstring const default_label = from_ascii(
1202 (lyxrc.label_init_length >= 0) ? "eq:" : "");
1203 if (old_label.empty())
1204 old_label = default_label;
1206 InsetCommandParams p(LABEL_CODE);
1207 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1208 string const data = InsetCommand::params2string("label", p);
1210 if (cmd.argument().empty())
1211 cur.bv().showDialog("label", data);
1213 FuncRequest fr(LFUN_INSET_INSERT, data);
1219 case LFUN_WORD_DELETE_FORWARD:
1220 case LFUN_CHAR_DELETE_FORWARD:
1221 if (col(cur.idx()) + 1 == ncols()
1222 && cur.pos() == cur.lastpos()) {
1223 if (!label(row(cur.idx())).empty()) {
1224 cur.recordUndoInset();
1225 label(row(cur.idx()), docstring());
1226 } else if (numbered(row(cur.idx()))) {
1227 cur.recordUndoInset();
1228 numbered(row(cur.idx()), false);
1230 InsetMathGrid::doDispatch(cur, cmd);
1234 InsetMathGrid::doDispatch(cur, cmd);
1239 case LFUN_INSET_INSERT: {
1240 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1241 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1242 string const name = cmd.getArg(0);
1243 if (name == "label") {
1244 InsetCommandParams p(LABEL_CODE);
1245 InsetCommand::string2params(name, to_utf8(cmd.argument()), p);
1246 docstring str = p["name"];
1247 cur.recordUndoInset();
1248 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1252 docstring old = label(r);
1255 // The label will take care of the reference update.
1259 // Newly created inset so initialize it.
1260 label_[r]->initView();
1265 InsetMathGrid::doDispatch(cur, cmd);
1269 case LFUN_MATH_EXTERN:
1270 cur.recordUndoInset();
1274 case LFUN_MATH_MUTATE: {
1275 cur.recordUndoInset();
1276 row_type row = cur.row();
1277 col_type col = cur.col();
1278 mutate(hullType(cmd.argument()));
1279 cur.idx() = row * ncols() + col;
1280 if (cur.idx() > cur.lastidx()) {
1281 cur.idx() = cur.lastidx();
1282 cur.pos() = cur.lastpos();
1284 if (cur.pos() > cur.lastpos())
1285 cur.pos() = cur.lastpos();
1287 // FIXME: find some more clever handling of the selection,
1288 // i.e. preserve it.
1289 cur.clearSelection();
1290 //cur.dispatched(FINISHED);
1294 case LFUN_MATH_DISPLAY: {
1295 cur.recordUndoInset();
1296 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1298 cur.pos() = cur.lastpos();
1299 //cur.dispatched(FINISHED);
1304 InsetMathGrid::doDispatch(cur, cmd);
1310 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1311 FuncStatus & status) const
1313 switch (cmd.action) {
1314 case LFUN_FINISHED_BACKWARD:
1315 case LFUN_FINISHED_FORWARD:
1316 case LFUN_FINISHED_RIGHT:
1317 case LFUN_FINISHED_LEFT:
1320 case LFUN_NEWLINE_INSERT:
1321 case LFUN_MATH_EXTERN:
1322 case LFUN_MATH_MUTATE:
1323 case LFUN_MATH_DISPLAY:
1325 status.setEnabled(true);
1327 case LFUN_MATH_NUMBER_TOGGLE:
1328 // FIXME: what is the right test, this or the one of
1330 status.setEnabled(display());
1331 status.setOnOff(numberedType());
1333 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1334 // FIXME: what is the right test, this or the one of
1336 bool const enable = (type_ == hullMultline) ?
1337 (nrows() - 1 == cur.row()) : display();
1338 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1339 status.setEnabled(enable);
1340 status.setOnOff(numbered(r));
1343 case LFUN_LABEL_INSERT:
1344 status.setEnabled(type_ != hullSimple);
1346 case LFUN_INSET_INSERT:
1347 if (cmd.getArg(0) == "label") {
1348 status.setEnabled(type_ != hullSimple);
1351 return InsetMathGrid::getStatus(cur, cmd, status);
1352 case LFUN_TABULAR_FEATURE: {
1353 istringstream is(to_utf8(cmd.argument()));
1357 && (s == "append-row"
1358 || s == "delete-row"
1359 || s == "copy-row")) {
1360 status.message(bformat(
1361 from_utf8(N_("Can't change number of rows in '%1$s'")),
1363 status.setEnabled(false);
1367 && (s == "append-column"
1368 || s == "delete-column"
1369 || s == "copy-column")) {
1370 status.message(bformat(
1371 from_utf8(N_("Can't change number of columns in '%1$s'")),
1373 status.setEnabled(false);
1376 if ((type_ == hullSimple
1377 || type_ == hullEquation
1378 || type_ == hullNone) &&
1379 (s == "add-hline-above" || s == "add-hline-below")) {
1380 status.message(bformat(
1381 from_utf8(N_("Can't add horizontal grid lines in '%1$s'")),
1383 status.setEnabled(false);
1386 if (s == "add-vline-left" || s == "add-vline-right") {
1387 status.message(bformat(
1388 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
1390 status.setEnabled(false);
1393 if (s == "valign-top" || s == "valign-middle"
1394 || s == "valign-bottom" || s == "align-left"
1395 || s == "align-center" || s == "align-right") {
1396 status.setEnabled(false);
1399 return InsetMathGrid::getStatus(cur, cmd, status);
1402 return InsetMathGrid::getStatus(cur, cmd, status);
1405 // This cannot really happen, but inserted to shut-up gcc
1406 return InsetMathGrid::getStatus(cur, cmd, status);
1410 /////////////////////////////////////////////////////////////////////
1414 // simply scrap this function if you want
1415 void InsetMathHull::mutateToText()
1418 // translate to latex
1420 latex(os, false, false);
1421 string str = os.str();
1424 Text * lt = view_->cursor().innerText();
1425 string::const_iterator cit = str.begin();
1426 string::const_iterator end = str.end();
1427 for (; cit != end; ++cit)
1428 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
1431 //dispatch(LFUN_ESCAPE);
1436 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
1437 docstring const & font)
1439 // this whole function is a hack and won't work for incremental font
1442 if (cur.inset().asInsetMath()->name() == font)
1443 cur.handleFont(to_utf8(font));
1445 cur.handleNest(createInsetMath(font));
1451 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
1456 font.fromString(to_utf8(arg), b);
1457 if (font.fontInfo().color() != Color_inherit) {
1458 MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
1459 cur.handleNest(at, 0);
1464 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
1467 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1468 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1469 enter_front ? idxFirst(cur) : idxLast(cur);
1470 // The inset formula dimension is not necessarily the same as the
1471 // one of the instant preview image, so we have to indicate to the
1472 // BufferView that a metrics update is needed.
1473 cur.updateFlags(Update::Force);
1477 docstring InsetMathHull::editMessage() const
1479 return _("Math editor mode");
1483 void InsetMathHull::revealCodes(Cursor & cur) const
1485 if (!cur.inMathed())
1487 odocstringstream os;
1489 cur.message(os.str());
1491 // write something to the minibuffer
1492 // translate to latex
1496 string str = os.str();
1498 string::size_type pos = 0;
1500 for (string::iterator it = str.begin(); it != str.end(); ++it) {
1503 else if (*it == '\0') {
1505 pos = it - str.begin();
1511 res = res.substr(pos - 30);
1512 if (res.size() > 60)
1513 res = res.substr(0, 60);
1519 InsetCode InsetMathHull::lyxCode() const
1525 /////////////////////////////////////////////////////////////////////
1529 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
1532 // FIXME: completely broken
1533 static InsetMathHull * lastformula = 0;
1534 static CursorBase current = DocIterator(ibegin(nucleus()));
1536 static string laststr;
1538 if (lastformula != this || laststr != str) {
1539 //lyxerr << "reset lastformula to " << this << endl;
1542 current = ibegin(nucleus());
1544 mathed_parse_cell(ar, str);
1548 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
1550 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
1551 CursorSlice & top = it.back();
1552 MathData const & a = top.asInsetMath()->cell(top.idx_);
1553 if (a.matchpart(ar, top.pos_)) {
1554 bv->cursor().setSelection(it, ar.size());
1556 top.pos_ += ar.size();
1562 //lyxerr << "not found!" << endl;
1569 void InsetMathHull::write(ostream & os) const
1571 odocstringstream oss;
1572 WriteStream wi(oss, false, false, false);
1575 os << to_utf8(oss.str());
1579 void InsetMathHull::read(Lexer & lex)
1582 mathed_parse_normal(at, lex);
1583 operator=(*at->asHullInset());
1587 void InsetMathHull::readQuiet(Lexer & lex)
1590 mathed_parse_normal(at, lex, Parse::QUIET);
1591 operator=(*at->asHullInset());
1595 int InsetMathHull::plaintext(odocstream & os, OutputParams const & runparams) const
1597 if (0 && display()) {
1601 TextPainter tpain(dim.width(), dim.height());
1602 drawT(tpain, 0, dim.ascent());
1604 // reset metrics cache to "real" values
1606 return tpain.textheight();
1608 odocstringstream oss;
1609 WriteStream wi(oss, false, true, false, runparams.encoding);
1612 docstring const str = oss.str();
1619 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
1624 if (getType() == hullSimple)
1625 name = from_ascii("inlineequation");
1627 name = from_ascii("informalequation");
1629 docstring bname = name;
1630 if (!label(0).empty())
1631 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
1633 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
1635 odocstringstream ls;
1636 if (runparams.flavor == OutputParams::XML) {
1637 ms << MTag("alt role='tex' ");
1638 // Workaround for db2latex: db2latex always includes equations with
1639 // \ensuremath{} or \begin{display}\end{display}
1640 // so we strip LyX' math environment
1641 WriteStream wi(ls, false, false, false, runparams.encoding);
1642 InsetMathGrid::write(wi);
1643 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1648 InsetMathGrid::mathmlize(ms);
1651 ms << MTag("alt role='tex'");
1652 res = latex(ls, runparams);
1653 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1657 ms << from_ascii("<graphic fileref=\"eqn/");
1658 if (!label(0).empty())
1659 ms << sgml::cleanID(buffer(), runparams, label(0));
1661 ms << sgml::uniqueID(from_ascii("anon"));
1663 if (runparams.flavor == OutputParams::XML)
1664 ms << from_ascii("\"/>");
1666 ms << from_ascii("\">");
1668 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
1670 return ms.line() + res;
1674 void InsetMathHull::textString(odocstream & os) const
1676 plaintext(os, OutputParams(0));
1680 docstring InsetMathHull::contextMenu(BufferView const &, int, int) const
1682 return from_ascii("context-math");