7 #include "math_hullinset.h"
8 #include "math_mathmlstream.h"
9 #include "math_streamstr.h"
10 #include "math_support.h"
12 #include "frontends/Painter.h"
13 #include "textpainter.h"
15 #include "LaTeXFeatures.h"
16 #include "support/LAssert.h"
26 int getCols(string const & type)
28 if (type == "eqnarray")
32 if (type == "alignat")
34 if (type == "xalignat")
36 if (type == "xxalignat")
42 // returns position of first relation operator in the array
43 // used for "intelligent splitting"
44 MathArray::size_type firstRelOp(MathArray const & ar)
46 for (MathArray::const_iterator it = ar.begin(); it != ar.end(); ++it)
48 return it - ar.begin();
53 char const * star(bool numbered)
55 return numbered ? "" : "*";
59 int typecode(string const & s)
61 if (s == "none") return 0;
62 if (s == "simple") return 1;
63 if (s == "equation") return 2;
64 if (s == "eqnarray") return 3;
65 if (s == "align") return 4;
66 if (s == "alignat") return 5;
67 if (s == "xalignat") return 6;
68 if (s == "xxalignat") return 7;
69 if (s == "multline") return 8;
70 if (s == "gather") return 9;
71 lyxerr << "unknown hull type '" << s << "'\n";
75 bool smaller(string const & s, string const & t)
77 return typecode(s) < typecode(t);
81 } // end anon namespace
84 MathHullInset::MathHullInset()
85 : MathGridInset(1, 1), type_("none"), nonum_(1), label_(1)
91 MathHullInset::MathHullInset(string const & type)
92 : MathGridInset(getCols(type), 1), type_(type), nonum_(1), label_(1)
98 MathInset * MathHullInset::clone() const
100 return new MathHullInset(*this);
104 MathInset::mode_type MathHullInset::currentMode() const
107 return UNDECIDED_MODE;
108 // definitely math mode ...
113 bool MathHullInset::idxFirst(idx_type & idx, pos_type & pos) const
121 bool MathHullInset::idxLast(idx_type & idx, pos_type & pos) const
124 pos = cell(idx).size();
129 char MathHullInset::defaultColAlign(col_type col)
131 if (type_ == "eqnarray")
133 if (typecode(type_) >= typecode("align"))
134 return "rl"[col & 1];
139 int MathHullInset::defaultColSpace(col_type col)
141 if (type_ == "align" || type_ == "alignat")
143 if (type_ == "xalignat")
144 return (col & 1) ? 20 : 0;
145 if (type_ == "xxalignat")
146 return (col & 1) ? 40 : 0;
151 char const * MathHullInset::standardFont() const
154 return "lyxnochange";
159 void MathHullInset::metrics(MathMetricsInfo & mi) const
161 MathFontSetChanger dummy(mi.base, standardFont());
163 // let the cells adjust themselves
164 MathGridInset::metrics(mi);
171 if (numberedType()) {
172 MathFontSetChanger dummy(mi.base, "mathbf");
174 for (row_type row = 0; row < nrows(); ++row)
175 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
181 // make it at least as high as the current font
184 math_font_max_dim(mi.base.font, asc, des);
185 dim_.a = max(dim_.a, asc);
186 dim_.d = max(dim_.d, des);
193 void MathHullInset::draw(MathPainterInfo & pi, int x, int y) const
195 MathFontSetChanger dummy(pi.base, standardFont());
196 MathGridInset::draw(pi, x + 1, y);
198 if (numberedType()) {
199 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
200 for (row_type row = 0; row < nrows(); ++row) {
201 int const yy = y + rowinfo_[row].offset_;
202 MathFontSetChanger dummy(pi.base, "mathrm");
203 drawStr(pi, pi.base.font, xx, yy, nicelabel(row));
207 drawMarkers2(pi, x, y);
211 void MathHullInset::metricsT(TextMetricsInfo const & mi) const
214 MathGridInset::metricsT(mi);
217 WriteStream wi(os, false, true);
219 dim_.w = os.str().size();
226 void MathHullInset::drawT(TextPainter & pain, int x, int y) const
229 MathGridInset::drawT(pain, x, y);
232 WriteStream wi(os, false, true);
234 pain.draw(x, y, os.str().c_str());
239 string MathHullInset::label(row_type row) const
241 row_type n = nrows();
242 lyx::Assert(row < n);
247 void MathHullInset::label(row_type row, string const & label)
249 lyxerr << "setting label '" << label << "' for row " << row << endl;
254 void MathHullInset::numbered(row_type row, bool num)
260 bool MathHullInset::numbered(row_type row) const
266 bool MathHullInset::ams() const
270 type_ == "multline" ||
272 type_ == "alignat" ||
273 type_ == "xalignat" ||
274 type_ == "xxalignat";
278 bool MathHullInset::display() const
280 return type_ != "simple" && type_ != "none";
284 void MathHullInset::getLabelList(std::vector<string> & labels) const
286 for (row_type row = 0; row < nrows(); ++row)
287 if (!label_[row].empty() && nonum_[row] != 1)
288 labels.push_back(label_[row]);
292 bool MathHullInset::numberedType() const
296 if (type_ == "simple")
298 if (type_ == "xxalignat")
300 for (row_type row = 0; row < nrows(); ++row)
307 void MathHullInset::validate(LaTeXFeatures & features) const
310 features.require("amsmath");
313 // Validation is necessary only if not using AMS math.
314 // To be safe, we will always run mathedvalidate.
315 //if (features.amsstyle)
318 features.require("boldsymbol");
319 //features.binom = true;
321 MathNestInset::validate(features);
325 void MathHullInset::header_write(WriteStream & os) const
327 bool n = numberedType();
332 else if (type_ == "simple") {
338 else if (type_ == "equation") {
340 os << "\\begin{equation" << star(n) << "}\n";
345 else if (type_ == "eqnarray" || type_ == "align")
346 os << "\\begin{" << type_ << star(n) << "}\n";
348 else if (type_ == "alignat" || type_ == "xalignat")
349 os << "\\begin{" << type_ << star(n) << "}"
350 << "{" << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
352 else if (type_ == "xxalignat")
353 os << "\\begin{" << type_ << "}"
354 << "{" << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
356 else if (type_ == "multline" || type_ == "gather")
357 os << "\\begin{" << type_ << "}\n";
360 os << "\\begin{unknown" << star(n) << "}";
364 void MathHullInset::footer_write(WriteStream & os) const
366 bool n = numberedType();
371 else if (type_ == "simple")
374 else if (type_ == "equation")
376 os << "\\end{equation" << star(n) << "}\n";
380 else if (type_ == "eqnarray" || type_ == "align" || type_ == "alignat"
381 || type_ == "xalignat")
382 os << "\n\\end{" << type_ << star(n) << "}\n";
384 else if (type_ == "xxalignat" || type_ == "multline" || type_ == "gather")
385 os << "\n\\end{" << type_ << "}\n";
388 os << "\\end{unknown" << star(n) << "}";
392 void MathHullInset::addRow(row_type row)
394 nonum_.insert(nonum_.begin() + row + 1, !numberedType());
395 label_.insert(label_.begin() + row + 1, string());
396 MathGridInset::addRow(row);
400 void MathHullInset::delRow(row_type row)
402 MathGridInset::delRow(row);
403 nonum_.erase(nonum_.begin() + row);
404 label_.erase(label_.begin() + row);
408 void MathHullInset::addFancyCol(col_type col)
410 if (type_ == "equation")
413 else if (type_ == "eqnarray") {
418 else if (type_ == "align" || type_ == "alignat"
419 || type_ == "xalignat" || type_ == "xxalignat")
420 MathGridInset::addCol(col);
424 void MathHullInset::delFancyCol(col_type col)
426 if (type_ == "alignat" || type_ == "xalignat" || type_ == "xxalignat")
427 MathGridInset::delCol(col);
431 string MathHullInset::nicelabel(row_type row) const
435 if (label_[row].empty())
436 return string("(#)");
437 return "(" + label_[row] + ")";
441 void MathHullInset::glueall()
444 for (idx_type i = 0; i < nargs(); ++i)
446 *this = MathHullInset("simple");
452 string const & MathHullInset::getType() const
458 void MathHullInset::setType(string const & type)
466 void MathHullInset::mutate(string const & newtype)
468 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'\n";
470 // we try to move along the chain
471 // none <-> simple <-> equation <-> eqnarray
473 if (newtype == "dump") {
477 else if (newtype == type_) {
481 else if (type_ == "none") {
487 else if (type_ == "simple") {
488 if (newtype == "none") {
497 else if (type_ == "equation") {
498 if (smaller(newtype, type_)) {
501 } else if (newtype == "eqnarray") {
502 MathGridInset::addCol(1);
503 MathGridInset::addCol(1);
505 // split it "nicely" on the firest relop
506 pos_type pos = firstRelOp(cell(0));
507 cell(1) = MathArray(cell(0).begin() + pos, cell(0).end());
508 cell(0).erase(pos, cell(0).size());
510 if (cell(1).size()) {
511 cell(2) = MathArray(cell(1).begin() + 1, cell(1).end());
512 cell(1).erase(1, cell(1).size());
517 MathGridInset::addCol(1);
519 pos_type pos = firstRelOp(cell(0));
521 cell(0).erase(pos, cell(0).size());
522 cell(1).erase(0, pos);
528 else if (type_ == "eqnarray") {
529 if (smaller(newtype, type_)) {
530 // set correct (no)numbering
531 bool allnonum = true;
532 for (row_type row = 0; row < nrows(); ++row)
536 // set first non-empty label
538 for (row_type row = 0; row < nrows(); ++row) {
539 if (!label_[row].empty()) {
546 nonum_[0] = allnonum;
549 } else { // align & Co.
550 for (row_type row = 0; row < nrows(); ++row) {
551 idx_type c = 3 * row + 1;
552 cell(c).append(cell(c + 1));
554 MathGridInset::delCol(2);
560 else if (type_ == "align") {
561 if (smaller(newtype, type_)) {
562 MathGridInset::addCol(1);
570 else if (type_ == "multline") {
571 if (newtype == "gather") {
574 lyxerr << "mutation from '" << type_
575 << "' to '" << newtype << "' not implemented"
580 else if (type_ == "gather") {
581 if (newtype == "multline") {
584 lyxerr << "mutation from '" << type_
585 << "' to '" << newtype << "' not implemented" << endl;
590 lyxerr << "mutation from '" << type_
591 << "' to '" << newtype << "' not implemented" << endl;
596 void MathHullInset::write(WriteStream & os) const
600 bool n = numberedType();
602 for (row_type row = 0; row < nrows(); ++row) {
603 for (col_type col = 0; col < ncols(); ++col)
604 os << cell(index(row, col)) << eocString(col);
606 if (!label_[row].empty())
607 os << "\\label{" << label_[row] << "}";
611 os << eolString(row);
618 void MathHullInset::normalize(NormalStream & os) const
620 os << "[formula " << type_ << " ";
621 MathGridInset::normalize(os);
626 void MathHullInset::mathmlize(MathMLStream & os) const
628 MathGridInset::mathmlize(os);
632 void MathHullInset::infoize(std::ostream & os) const
634 os << "Type: " << type_;
638 void MathHullInset::check() const
640 lyx::Assert(nonum_.size() == nrows());
641 lyx::Assert(label_.size() == nrows());