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 // This has to be static, because a preview snippet containing math
453 // in text mode (such as $\text{$\phi$}$) gets processed twice. The
454 // first time as a whole, and the second time only the inner math.
455 // In this last case inset.buffer() would be invalid.
456 // FIXME: preview snippets should only be processed once, such that
457 // both static qualifier and isBufferValid() check can be dropped.
458 static Encoding const * encoding = 0;
459 if (inset.isBufferValid())
460 encoding = &(inset.buffer().params().encoding());
461 WriteStream wi(ls, false, true, false, encoding);
467 void InsetMathHull::initUnicodeMath() const
469 // Trigger classification of the unicode symbols in this inset
470 docstring const dummy = latexString(*this);
474 void InsetMathHull::addPreview(graphics::PreviewLoader & ploader) const
476 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
477 docstring const snippet = latexString(*this);
478 preview_->addPreview(snippet, ploader);
483 bool InsetMathHull::notifyCursorLeaves(Cursor const & /*old*/, Cursor & cur)
485 if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
486 Buffer const & buffer = cur.buffer();
487 docstring const snippet = latexString(*this);
488 preview_->addPreview(snippet, buffer);
489 preview_->startLoading(buffer);
490 cur.updateFlags(Update::Force);
496 docstring InsetMathHull::label(row_type row) const
498 LASSERT(row < nrows(), /**/);
499 if (InsetLabel * il = label_[row])
500 return il->screenLabel();
505 void InsetMathHull::label(row_type row, docstring const & label)
507 //lyxerr << "setting label '" << label << "' for row " << row << endl;
511 label_[row] = dummy_pointer;
512 // We need an update of the Buffer reference cache.
513 // This is achieved by updateLabels().
514 lyx::updateLabels(buffer());
516 label_[row]->updateCommand(label);
519 InsetCommandParams p(LABEL_CODE);
521 label_[row] = new InsetLabel(p);
523 label_[row]->setBuffer(buffer());
527 void InsetMathHull::numbered(row_type row, bool num)
530 if (nonum_[row] && label_[row]) {
533 // We need an update of the Buffer reference cache.
534 // This is achieved by updateLabels().
535 lyx::updateLabels(buffer());
540 bool InsetMathHull::numbered(row_type row) const
546 bool InsetMathHull::ams() const
549 type_ == hullAlign ||
550 type_ == hullFlAlign ||
551 type_ == hullMultline ||
552 type_ == hullGather ||
553 type_ == hullAlignAt ||
554 type_ == hullXAlignAt ||
555 type_ == hullXXAlignAt;
559 Inset::DisplayType InsetMathHull::display() const
561 return (type_ != hullSimple && type_ != hullNone
562 && type_ != hullRegexp) ? AlignCenter : Inline;
565 bool InsetMathHull::numberedType() const
567 if (type_ == hullNone)
569 if (type_ == hullSimple)
571 if (type_ == hullXXAlignAt)
573 if (type_ == hullRegexp)
575 for (row_type row = 0; row < nrows(); ++row)
582 void InsetMathHull::validate(LaTeXFeatures & features) const
585 features.require("amsmath");
587 // Validation is necessary only if not using AMS math.
588 // To be safe, we will always run mathedvalidate.
589 //if (features.amsstyle)
592 //features.binom = true;
594 InsetMathGrid::validate(features);
598 void InsetMathHull::header_write(WriteStream & os) const
600 bool n = numberedType();
614 os << "\\begin{equation" << star(n) << "}\n";
624 os << "\\begin{" << hullName(type_) << star(n) << "}\n";
629 os << "\\begin{" << hullName(type_) << star(n) << '}'
630 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
634 os << "\\begin{" << hullName(type_) << '}'
635 << '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
643 os << "\\begin{unknown" << star(n) << '}';
649 void InsetMathHull::footer_write(WriteStream & os) const
651 bool n = numberedType();
664 os << "\\end{equation" << star(n) << "}\n";
676 os << "\\end{" << hullName(type_) << star(n) << "}\n";
680 os << "\\end{" << hullName(type_) << "}\n";
688 os << "\\end{unknown" << star(n) << '}';
694 bool InsetMathHull::rowChangeOK() const
697 type_ == hullEqnArray || type_ == hullAlign ||
698 type_ == hullFlAlign || type_ == hullAlignAt ||
699 type_ == hullXAlignAt || type_ == hullXXAlignAt ||
700 type_ == hullGather || type_ == hullMultline;
704 bool InsetMathHull::colChangeOK() const
707 type_ == hullAlign || type_ == hullFlAlign ||type_ == hullAlignAt ||
708 type_ == hullXAlignAt || type_ == hullXXAlignAt;
712 void InsetMathHull::addRow(row_type row)
717 bool numbered = numberedType();
719 if (type_ == hullMultline) {
720 if (row + 1 == nrows()) {
727 nonum_.insert(nonum_.begin() + row + 1, !numbered);
728 label_.insert(label_.begin() + row + 1, dummy_pointer);
731 InsetMathGrid::addRow(row);
735 void InsetMathHull::swapRow(row_type row)
739 if (row + 1 == nrows())
741 // gcc implements the standard std::vector<bool> which is *not* a container:
742 // http://www.gotw.ca/publications/N1185.pdf
743 // As a results, it doesn't like this:
744 // swap(nonum_[row], nonum_[row + 1]);
745 // so we do it manually:
746 bool const b = nonum_[row];
747 nonum_[row] = nonum_[row + 1];
749 swap(label_[row], label_[row + 1]);
750 InsetMathGrid::swapRow(row);
754 void InsetMathHull::delRow(row_type row)
756 if (nrows() <= 1 || !rowChangeOK())
758 if (row + 1 == nrows() && type_ == hullMultline) {
759 bool const b = nonum_[row - 1];
760 nonum_[row - 1] = nonum_[row];
762 swap(label_[row - 1], label_[row]);
763 InsetMathGrid::delRow(row);
766 InsetMathGrid::delRow(row);
767 // The last dummy row has no number info nor a label.
768 // Test nrows() + 1 because we have already erased the row.
769 if (row == nrows() + 1)
771 nonum_.erase(nonum_.begin() + row);
773 label_.erase(label_.begin() + row);
777 void InsetMathHull::addCol(col_type col)
781 InsetMathGrid::addCol(col);
785 void InsetMathHull::delCol(col_type col)
787 if (ncols() <= 1 || !colChangeOK())
789 InsetMathGrid::delCol(col);
793 docstring InsetMathHull::nicelabel(row_type row) const
798 return from_ascii("(#)");
799 return '(' + label_[row]->screenLabel() + from_ascii(", #)");
803 void InsetMathHull::glueall()
806 for (idx_type i = 0; i < nargs(); ++i)
808 *this = InsetMathHull(hullSimple);
814 void InsetMathHull::splitTo2Cols()
816 LASSERT(ncols() == 1, /**/);
817 InsetMathGrid::addCol(1);
818 for (row_type row = 0; row < nrows(); ++row) {
819 idx_type const i = 2 * row;
820 pos_type pos = firstRelOp(cell(i));
821 cell(i + 1) = MathData(cell(i).begin() + pos, cell(i).end());
822 cell(i).erase(pos, cell(i).size());
827 void InsetMathHull::splitTo3Cols()
829 LASSERT(ncols() < 3, /**/);
832 InsetMathGrid::addCol(2);
833 for (row_type row = 0; row < nrows(); ++row) {
834 idx_type const i = 3 * row + 1;
835 if (cell(i).size()) {
836 cell(i + 1) = MathData(cell(i).begin() + 1, cell(i).end());
837 cell(i).erase(1, cell(i).size());
843 void InsetMathHull::changeCols(col_type cols)
847 else if (ncols() < cols) {
853 while (ncols() < cols)
854 InsetMathGrid::addCol(ncols());
860 for (row_type row = 0; row < nrows(); ++row) {
861 idx_type const i = row * ncols();
862 for (col_type col = cols; col < ncols(); ++col) {
863 cell(i + cols - 1).append(cell(i + col));
867 while (ncols() > cols) {
868 InsetMathGrid::delCol(ncols() - 1);
873 HullType InsetMathHull::getType() const
879 void InsetMathHull::setType(HullType type)
886 void InsetMathHull::mutate(HullType newtype)
888 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'" << endl;
890 // we try to move along the chain
891 // none <-> simple <-> equation <-> eqnarray -> *align* -> multline, gather -+
893 // +-------------------------------------+
894 // we use eqnarray as intermediate type for mutations that are not
895 // directly supported because it handles labels and numbering for
898 if (newtype == type_) {
902 else if (newtype < hullNone) {
907 else if (type_ == hullNone) {
913 else if (type_ == hullSimple) {
914 if (newtype == hullNone) {
918 setType(hullEquation);
924 else if (type_ == hullEquation) {
925 if (newtype < type_) {
929 } else if (newtype == hullEqnArray) {
930 // split it "nicely" on the first relop
932 setType(hullEqnArray);
933 } else if (newtype == hullMultline || newtype == hullGather) {
943 else if (type_ == hullEqnArray) {
944 if (newtype < type_) {
945 // set correct (no)numbering
947 for (row_type row = 0; row < nrows(); ++row) {
954 // set first non-empty label
955 for (row_type row = 0; row < nrows(); ++row) {
957 label_[0] = label_[row];
964 } else { // align & Co.
971 else if (type_ == hullAlign || type_ == hullAlignAt ||
972 type_ == hullXAlignAt || type_ == hullFlAlign) {
973 if (newtype < hullAlign) {
975 setType(hullEqnArray);
977 } else if (newtype == hullGather || newtype == hullMultline) {
980 } else if (newtype == hullXXAlignAt) {
981 for (row_type row = 0; row < nrows(); ++row)
982 numbered(row, false);
989 else if (type_ == hullXXAlignAt) {
990 for (row_type row = 0; row < nrows(); ++row)
991 numbered(row, false);
992 if (newtype < hullAlign) {
994 setType(hullEqnArray);
996 } else if (newtype == hullGather || newtype == hullMultline) {
1004 else if (type_ == hullMultline || type_ == hullGather) {
1005 if (newtype == hullGather || newtype == hullMultline)
1007 else if (newtype == hullAlign || newtype == hullFlAlign ||
1008 newtype == hullAlignAt || newtype == hullXAlignAt) {
1011 } else if (newtype == hullXXAlignAt) {
1013 for (row_type row = 0; row < nrows(); ++row)
1014 numbered(row, false);
1018 setType(hullEqnArray);
1024 lyxerr << "mutation from '" << to_utf8(hullName(type_))
1025 << "' to '" << to_utf8(hullName(newtype))
1026 << "' not implemented" << endl;
1031 docstring InsetMathHull::eolString(row_type row, bool emptyline, bool fragile) const
1034 if (numberedType()) {
1035 if (label_[row] && !nonum_[row])
1036 res += "\\label{" + label_[row]->getParam("name") + '}';
1037 if (nonum_[row] && (type_ != hullMultline))
1038 res += "\\nonumber ";
1040 return res + InsetMathGrid::eolString(row, emptyline, fragile);
1044 void InsetMathHull::write(WriteStream & os) const
1046 ModeSpecifier specifier(os, MATH_MODE);
1048 InsetMathGrid::write(os);
1053 void InsetMathHull::normalize(NormalStream & os) const
1055 os << "[formula " << hullName(type_) << ' ';
1056 InsetMathGrid::normalize(os);
1061 void InsetMathHull::mathmlize(MathStream & os) const
1063 InsetMathGrid::mathmlize(os);
1067 void InsetMathHull::infoize(odocstream & os) const
1069 os << "Type: " << hullName(type_);
1073 void InsetMathHull::check() const
1075 LASSERT(nonum_.size() == nrows(), /**/);
1076 LASSERT(label_.size() == nrows(), /**/);
1080 void InsetMathHull::doExtern(Cursor & cur, FuncRequest & func)
1084 idocstringstream iss(func.argument());
1085 iss >> dlang >> extra;
1087 extra = from_ascii("noextra");
1088 string const lang = to_ascii(dlang);
1090 // FIXME: temporarily disabled
1091 //if (cur.selection()) {
1094 // lyxerr << "use selection: " << ar << endl;
1095 // insert(pipeThroughExtern(lang, extra, ar));
1100 eq.push_back(MathAtom(new InsetMathChar('=')));
1102 // go to first item in line
1103 cur.idx() -= cur.idx() % ncols();
1106 if (getType() == hullSimple) {
1107 size_type pos = cur.cell().find_last(eq);
1109 if (cur.inMathed() && cur.selection()) {
1110 asArray(grabAndEraseSelection(cur), ar);
1111 } else if (pos == cur.cell().size()) {
1113 lyxerr << "use whole cell: " << ar << endl;
1115 ar = MathData(cur.cell().begin() + pos + 1, cur.cell().end());
1116 lyxerr << "use partial cell form pos: " << pos << endl;
1118 cur.cell().append(eq);
1119 cur.cell().append(pipeThroughExtern(lang, extra, ar));
1120 cur.pos() = cur.lastpos();
1124 if (getType() == hullEquation) {
1125 lyxerr << "use equation inset" << endl;
1126 mutate(hullEqnArray);
1127 MathData & ar = cur.cell();
1128 lyxerr << "use cell: " << ar << endl;
1132 cur.cell() = pipeThroughExtern(lang, extra, ar);
1133 // move to end of line
1134 cur.pos() = cur.lastpos();
1139 lyxerr << "use eqnarray" << endl;
1140 cur.idx() += 2 - cur.idx() % ncols();
1142 MathData ar = cur.cell();
1143 lyxerr << "use cell: " << ar << endl;
1144 // FIXME: temporarily disabled
1150 cur.cell() = pipeThroughExtern(lang, extra, ar);
1151 cur.pos() = cur.lastpos();
1156 void InsetMathHull::doDispatch(Cursor & cur, FuncRequest & cmd)
1158 //lyxerr << "action: " << cmd.action << endl;
1159 switch (cmd.action) {
1161 case LFUN_FINISHED_BACKWARD:
1162 case LFUN_FINISHED_FORWARD:
1163 case LFUN_FINISHED_RIGHT:
1164 case LFUN_FINISHED_LEFT:
1165 //lyxerr << "action: " << cmd.action << endl;
1166 InsetMathGrid::doDispatch(cur, cmd);
1170 case LFUN_BREAK_PARAGRAPH:
1171 // just swallow this
1174 case LFUN_NEWLINE_INSERT:
1175 // some magic for the common case
1176 if (type_ == hullSimple || type_ == hullEquation) {
1177 cur.recordUndoInset();
1179 cur.bv().buffer().params().use_amsmath == BufferParams::package_on;
1180 mutate(align ? hullAlign : hullEqnArray);
1181 cur.idx() = nrows() * ncols() - 1;
1182 cur.pos() = cur.lastpos();
1184 InsetMathGrid::doDispatch(cur, cmd);
1187 case LFUN_MATH_NUMBER_TOGGLE: {
1188 //lyxerr << "toggling all numbers" << endl;
1189 cur.recordUndoInset();
1190 bool old = numberedType();
1191 if (type_ == hullMultline)
1192 numbered(nrows() - 1, !old);
1194 for (row_type row = 0; row < nrows(); ++row)
1195 numbered(row, !old);
1197 cur.message(old ? _("No number") : _("Number"));
1201 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1202 cur.recordUndoInset();
1203 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1204 bool old = numbered(r);
1205 cur.message(old ? _("No number") : _("Number"));
1210 case LFUN_LABEL_INSERT: {
1211 cur.recordUndoInset();
1212 row_type r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1213 docstring old_label = label(r);
1214 docstring const default_label = from_ascii(
1215 (lyxrc.label_init_length >= 0) ? "eq:" : "");
1216 if (old_label.empty())
1217 old_label = default_label;
1219 InsetCommandParams p(LABEL_CODE);
1220 p["name"] = cmd.argument().empty() ? old_label : cmd.argument();
1221 string const data = InsetCommand::params2string("label", p);
1223 if (cmd.argument().empty())
1224 cur.bv().showDialog("label", data);
1226 FuncRequest fr(LFUN_INSET_INSERT, data);
1232 case LFUN_WORD_DELETE_FORWARD:
1233 case LFUN_CHAR_DELETE_FORWARD:
1234 if (col(cur.idx()) + 1 == ncols()
1235 && cur.pos() == cur.lastpos()) {
1236 if (!label(row(cur.idx())).empty()) {
1237 cur.recordUndoInset();
1238 label(row(cur.idx()), docstring());
1239 } else if (numbered(row(cur.idx()))) {
1240 cur.recordUndoInset();
1241 numbered(row(cur.idx()), false);
1243 InsetMathGrid::doDispatch(cur, cmd);
1247 InsetMathGrid::doDispatch(cur, cmd);
1252 case LFUN_INSET_INSERT: {
1253 //lyxerr << "arg: " << to_utf8(cmd.argument()) << endl;
1254 // FIXME: this should be cleaned up to use InsetLabel methods directly.
1255 string const name = cmd.getArg(0);
1256 if (name == "label") {
1257 InsetCommandParams p(LABEL_CODE);
1258 InsetCommand::string2params(name, to_utf8(cmd.argument()), p);
1259 docstring str = p["name"];
1260 cur.recordUndoInset();
1261 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1265 docstring old = label(r);
1268 // The label will take care of the reference update.
1272 // Newly created inset so initialize it.
1273 label_[r]->initView();
1278 InsetMathGrid::doDispatch(cur, cmd);
1282 case LFUN_MATH_EXTERN:
1283 cur.recordUndoInset();
1287 case LFUN_MATH_MUTATE: {
1288 cur.recordUndoInset();
1289 row_type row = cur.row();
1290 col_type col = cur.col();
1291 mutate(hullType(cmd.argument()));
1292 cur.idx() = row * ncols() + col;
1293 if (cur.idx() > cur.lastidx()) {
1294 cur.idx() = cur.lastidx();
1295 cur.pos() = cur.lastpos();
1297 if (cur.pos() > cur.lastpos())
1298 cur.pos() = cur.lastpos();
1300 // FIXME: find some more clever handling of the selection,
1301 // i.e. preserve it.
1302 cur.clearSelection();
1303 //cur.dispatched(FINISHED);
1307 case LFUN_MATH_DISPLAY: {
1308 cur.recordUndoInset();
1309 mutate(type_ == hullSimple ? hullEquation : hullSimple);
1311 cur.pos() = cur.lastpos();
1312 //cur.dispatched(FINISHED);
1317 InsetMathGrid::doDispatch(cur, cmd);
1323 bool InsetMathHull::getStatus(Cursor & cur, FuncRequest const & cmd,
1324 FuncStatus & status) const
1326 switch (cmd.action) {
1327 case LFUN_FINISHED_BACKWARD:
1328 case LFUN_FINISHED_FORWARD:
1329 case LFUN_FINISHED_RIGHT:
1330 case LFUN_FINISHED_LEFT:
1333 case LFUN_NEWLINE_INSERT:
1334 case LFUN_MATH_EXTERN:
1335 case LFUN_MATH_MUTATE:
1336 case LFUN_MATH_DISPLAY:
1338 status.setEnabled(true);
1340 case LFUN_MATH_NUMBER_TOGGLE:
1341 // FIXME: what is the right test, this or the one of
1343 status.setEnabled(display());
1344 status.setOnOff(numberedType());
1346 case LFUN_MATH_NUMBER_LINE_TOGGLE: {
1347 // FIXME: what is the right test, this or the one of
1349 bool const enable = (type_ == hullMultline) ?
1350 (nrows() - 1 == cur.row()) : display();
1351 row_type const r = (type_ == hullMultline) ? nrows() - 1 : cur.row();
1352 status.setEnabled(enable);
1353 status.setOnOff(numbered(r));
1356 case LFUN_LABEL_INSERT:
1357 status.setEnabled(type_ != hullSimple);
1359 case LFUN_INSET_INSERT:
1360 if (cmd.getArg(0) == "label") {
1361 status.setEnabled(type_ != hullSimple);
1364 return InsetMathGrid::getStatus(cur, cmd, status);
1365 case LFUN_TABULAR_FEATURE: {
1366 istringstream is(to_utf8(cmd.argument()));
1370 && (s == "append-row"
1371 || s == "delete-row"
1372 || s == "copy-row")) {
1373 status.message(bformat(
1374 from_utf8(N_("Can't change number of rows in '%1$s'")),
1376 status.setEnabled(false);
1380 && (s == "append-column"
1381 || s == "delete-column"
1382 || s == "copy-column")) {
1383 status.message(bformat(
1384 from_utf8(N_("Can't change number of columns in '%1$s'")),
1386 status.setEnabled(false);
1389 if ((type_ == hullSimple
1390 || type_ == hullEquation
1391 || type_ == hullNone) &&
1392 (s == "add-hline-above" || s == "add-hline-below")) {
1393 status.message(bformat(
1394 from_utf8(N_("Can't add horizontal grid lines in '%1$s'")),
1396 status.setEnabled(false);
1399 if (s == "add-vline-left" || s == "add-vline-right") {
1400 status.message(bformat(
1401 from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
1403 status.setEnabled(false);
1406 if (s == "valign-top" || s == "valign-middle"
1407 || s == "valign-bottom" || s == "align-left"
1408 || s == "align-center" || s == "align-right") {
1409 status.setEnabled(false);
1412 return InsetMathGrid::getStatus(cur, cmd, status);
1415 return InsetMathGrid::getStatus(cur, cmd, status);
1418 // This cannot really happen, but inserted to shut-up gcc
1419 return InsetMathGrid::getStatus(cur, cmd, status);
1423 /////////////////////////////////////////////////////////////////////
1427 // simply scrap this function if you want
1428 void InsetMathHull::mutateToText()
1431 // translate to latex
1433 latex(os, false, false);
1434 string str = os.str();
1437 Text * lt = view_->cursor().innerText();
1438 string::const_iterator cit = str.begin();
1439 string::const_iterator end = str.end();
1440 for (; cit != end; ++cit)
1441 view_->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
1444 //dispatch(LFUN_ESCAPE);
1449 void InsetMathHull::handleFont(Cursor & cur, docstring const & arg,
1450 docstring const & font)
1452 // this whole function is a hack and won't work for incremental font
1455 if (cur.inset().asInsetMath()->name() == font)
1456 cur.handleFont(to_utf8(font));
1458 cur.handleNest(createInsetMath(font));
1464 void InsetMathHull::handleFont2(Cursor & cur, docstring const & arg)
1469 font.fromString(to_utf8(arg), b);
1470 if (font.fontInfo().color() != Color_inherit) {
1471 MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
1472 cur.handleNest(at, 0);
1477 void InsetMathHull::edit(Cursor & cur, bool front, EntryDirection entry_from)
1480 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1481 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1482 enter_front ? idxFirst(cur) : idxLast(cur);
1483 // The inset formula dimension is not necessarily the same as the
1484 // one of the instant preview image, so we have to indicate to the
1485 // BufferView that a metrics update is needed.
1486 cur.updateFlags(Update::Force);
1490 docstring InsetMathHull::editMessage() const
1492 return _("Math editor mode");
1496 void InsetMathHull::revealCodes(Cursor & cur) const
1498 if (!cur.inMathed())
1500 odocstringstream os;
1502 cur.message(os.str());
1504 // write something to the minibuffer
1505 // translate to latex
1509 string str = os.str();
1511 string::size_type pos = 0;
1513 for (string::iterator it = str.begin(); it != str.end(); ++it) {
1516 else if (*it == '\0') {
1518 pos = it - str.begin();
1524 res = res.substr(pos - 30);
1525 if (res.size() > 60)
1526 res = res.substr(0, 60);
1532 InsetCode InsetMathHull::lyxCode() const
1538 /////////////////////////////////////////////////////////////////////
1542 bool InsetMathHull::searchForward(BufferView * bv, string const & str,
1545 // FIXME: completely broken
1546 static InsetMathHull * lastformula = 0;
1547 static CursorBase current = DocIterator(ibegin(nucleus()));
1549 static string laststr;
1551 if (lastformula != this || laststr != str) {
1552 //lyxerr << "reset lastformula to " << this << endl;
1555 current = ibegin(nucleus());
1557 mathed_parse_cell(ar, str);
1561 //lyxerr << "searching '" << str << "' in " << this << ar << endl;
1563 for (DocIterator it = current; it != iend(nucleus()); increment(it)) {
1564 CursorSlice & top = it.back();
1565 MathData const & a = top.asInsetMath()->cell(top.idx_);
1566 if (a.matchpart(ar, top.pos_)) {
1567 bv->cursor().setSelection(it, ar.size());
1569 top.pos_ += ar.size();
1575 //lyxerr << "not found!" << endl;
1582 void InsetMathHull::write(ostream & os) const
1584 odocstringstream oss;
1585 WriteStream wi(oss, false, false, false);
1588 os << to_utf8(oss.str());
1592 void InsetMathHull::read(Lexer & lex)
1595 mathed_parse_normal(at, lex);
1596 operator=(*at->asHullInset());
1600 bool InsetMathHull::readQuiet(Lexer & lex)
1603 bool result = mathed_parse_normal(at, lex, Parse::QUIET);
1604 operator=(*at->asHullInset());
1609 int InsetMathHull::plaintext(odocstream & os, OutputParams const & runparams) const
1611 if (0 && display()) {
1615 TextPainter tpain(dim.width(), dim.height());
1616 drawT(tpain, 0, dim.ascent());
1618 // reset metrics cache to "real" values
1620 return tpain.textheight();
1622 odocstringstream oss;
1623 WriteStream wi(oss, false, true, false, runparams.encoding);
1626 docstring const str = oss.str();
1633 int InsetMathHull::docbook(odocstream & os, OutputParams const & runparams) const
1638 if (getType() == hullSimple)
1639 name = from_ascii("inlineequation");
1641 name = from_ascii("informalequation");
1643 docstring bname = name;
1644 if (!label(0).empty())
1645 bname += " id='" + sgml::cleanID(buffer(), runparams, label(0)) + "'";
1647 ++ms.tab(); ms.cr(); ms.os() << '<' << bname << '>';
1649 odocstringstream ls;
1650 if (runparams.flavor == OutputParams::XML) {
1651 ms << MTag("alt role='tex' ");
1652 // Workaround for db2latex: db2latex always includes equations with
1653 // \ensuremath{} or \begin{display}\end{display}
1654 // so we strip LyX' math environment
1655 WriteStream wi(ls, false, false, false, runparams.encoding);
1656 InsetMathGrid::write(wi);
1657 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1662 InsetMathGrid::mathmlize(ms);
1665 ms << MTag("alt role='tex'");
1666 res = latex(ls, runparams);
1667 ms << from_utf8(subst(subst(to_utf8(ls.str()), "&", "&"), "<", "<"));
1671 ms << from_ascii("<graphic fileref=\"eqn/");
1672 if (!label(0).empty())
1673 ms << sgml::cleanID(buffer(), runparams, label(0));
1675 ms << sgml::uniqueID(from_ascii("anon"));
1677 if (runparams.flavor == OutputParams::XML)
1678 ms << from_ascii("\"/>");
1680 ms << from_ascii("\">");
1682 ms.cr(); --ms.tab(); ms.os() << "</" << name << '>';
1684 return ms.line() + res;
1688 void InsetMathHull::textString(odocstream & os) const
1690 plaintext(os, OutputParams(0));
1694 docstring InsetMathHull::contextMenu(BufferView const &, int, int) const
1696 return from_ascii("context-math");