7 #include "math_hullinset.h"
8 #include "math_mathmlstream.h"
9 #include "math_streamstr.h"
10 #include "math_support.h"
11 #include "math_extern.h"
12 #include "math_charinset.h"
14 #include "textpainter.h"
15 #include "funcrequest.h"
17 #include "LaTeXFeatures.h"
18 #include "support/LAssert.h"
19 #include "frontends/Painter.h"
21 #include "frontends/Alert.h"
24 #include "BufferView.h"
35 int getCols(string const & type)
37 if (type == "eqnarray")
41 if (type == "flalign")
43 if (type == "alignat")
45 if (type == "xalignat")
47 if (type == "xxalignat")
53 // returns position of first relation operator in the array
54 // used for "intelligent splitting"
55 MathArray::size_type firstRelOp(MathArray const & ar)
57 for (MathArray::const_iterator it = ar.begin(); it != ar.end(); ++it)
59 return it - ar.begin();
64 char const * star(bool numbered)
66 return numbered ? "" : "*";
70 int typecode(string const & s)
72 if (s == "none") return 0;
73 if (s == "simple") return 1;
74 if (s == "equation") return 2;
75 if (s == "eqnarray") return 3;
76 if (s == "align") return 4;
77 if (s == "alignat") return 5;
78 if (s == "xalignat") return 6;
79 if (s == "xxalignat") return 7;
80 if (s == "multline") return 8;
81 if (s == "gather") return 9;
82 if (s == "flalign") return 10;
83 lyxerr << "unknown hull type '" << s << "'\n";
87 bool smaller(string const & s, string const & t)
89 return typecode(s) < typecode(t);
93 } // end anon namespace
96 MathHullInset::MathHullInset()
97 : MathGridInset(1, 1), type_("none"), nonum_(1), label_(1)
103 MathHullInset::MathHullInset(string const & type)
104 : MathGridInset(getCols(type), 1), type_(type), nonum_(1), label_(1)
110 MathInset * MathHullInset::clone() const
112 return new MathHullInset(*this);
116 MathInset::mode_type MathHullInset::currentMode() const
119 return UNDECIDED_MODE;
120 // definitely math mode ...
125 bool MathHullInset::idxFirst(idx_type & idx, pos_type & pos) const
133 bool MathHullInset::idxLast(idx_type & idx, pos_type & pos) const
136 pos = cell(idx).size();
141 char MathHullInset::defaultColAlign(col_type col)
143 if (type_ == "eqnarray")
145 if (typecode(type_) >= typecode("align"))
146 return "rl"[col & 1];
151 int MathHullInset::defaultColSpace(col_type col)
153 if (type_ == "align" || type_ == "alignat")
155 if (type_ == "xalignat")
156 return (col & 1) ? 20 : 0;
157 if (type_ == "xxalignat" || type_ == "flalign")
158 return (col & 1) ? 40 : 0;
163 char const * MathHullInset::standardFont() const
166 return "lyxnochange";
171 void MathHullInset::metrics(MathMetricsInfo & mi) const
173 MathFontSetChanger dummy1(mi.base, standardFont());
174 MathStyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
176 // let the cells adjust themselves
177 MathGridInset::metrics(mi);
184 if (numberedType()) {
185 MathFontSetChanger dummy(mi.base, "mathbf");
187 for (row_type row = 0; row < nrows(); ++row)
188 l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
194 // make it at least as high as the current font
197 math_font_max_dim(mi.base.font, asc, des);
198 dim_.a = max(dim_.a, asc);
199 dim_.d = max(dim_.d, des);
206 void MathHullInset::draw(MathPainterInfo & pi, int x, int y) const
208 MathFontSetChanger dummy1(pi.base, standardFont());
209 MathStyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
210 MathGridInset::draw(pi, x + 1, y);
212 if (numberedType()) {
213 int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
214 for (row_type row = 0; row < nrows(); ++row) {
215 int const yy = y + rowinfo_[row].offset_;
216 MathFontSetChanger dummy(pi.base, "mathrm");
217 drawStr(pi, pi.base.font, xx, yy, nicelabel(row));
221 drawMarkers2(pi, x, y);
225 void MathHullInset::metricsT(TextMetricsInfo const & mi) const
228 MathGridInset::metricsT(mi);
231 WriteStream wi(os, false, true);
233 dim_.w = os.str().size();
240 void MathHullInset::drawT(TextPainter & pain, int x, int y) const
243 MathGridInset::drawT(pain, x, y);
246 WriteStream wi(os, false, true);
248 pain.draw(x, y, os.str().c_str());
253 string MathHullInset::label(row_type row) const
255 row_type n = nrows();
256 lyx::Assert(row < n);
261 void MathHullInset::label(row_type row, string const & label)
263 //lyxerr << "setting label '" << label << "' for row " << row << endl;
268 void MathHullInset::numbered(row_type row, bool num)
274 bool MathHullInset::numbered(row_type row) const
280 bool MathHullInset::ams() const
284 type_ == "flalign" ||
285 type_ == "multline" ||
287 type_ == "alignat" ||
288 type_ == "xalignat" ||
289 type_ == "xxalignat";
293 bool MathHullInset::display() const
295 return type_ != "simple" && type_ != "none";
299 void MathHullInset::getLabelList(std::vector<string> & labels) const
301 for (row_type row = 0; row < nrows(); ++row)
302 if (!label_[row].empty() && nonum_[row] != 1)
303 labels.push_back(label_[row]);
307 bool MathHullInset::numberedType() const
311 if (type_ == "simple")
313 if (type_ == "xxalignat")
315 for (row_type row = 0; row < nrows(); ++row)
322 void MathHullInset::validate(LaTeXFeatures & features) const
325 features.require("amsmath");
328 // Validation is necessary only if not using AMS math.
329 // To be safe, we will always run mathedvalidate.
330 //if (features.amsstyle)
333 features.require("boldsymbol");
334 //features.binom = true;
336 MathNestInset::validate(features);
340 void MathHullInset::header_write(WriteStream & os) const
342 bool n = numberedType();
347 else if (type_ == "simple") {
353 else if (type_ == "equation") {
355 os << "\\begin{equation" << star(n) << "}\n";
360 else if (type_ == "eqnarray" || type_ == "align" || type_ == "flalign")
361 os << "\\begin{" << type_ << star(n) << "}\n";
363 else if (type_ == "alignat" || type_ == "xalignat")
364 os << "\\begin{" << type_ << star(n) << "}"
365 << "{" << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
367 else if (type_ == "xxalignat")
368 os << "\\begin{" << type_ << "}"
369 << "{" << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
371 else if (type_ == "multline" || type_ == "gather")
372 os << "\\begin{" << type_ << "}\n";
375 os << "\\begin{unknown" << star(n) << "}";
379 void MathHullInset::footer_write(WriteStream & os) const
381 bool n = numberedType();
386 else if (type_ == "simple")
389 else if (type_ == "equation")
391 os << "\\end{equation" << star(n) << "}\n";
395 else if (type_ == "eqnarray" || type_ == "align" || type_ == "flalign"
396 || type_ == "alignat" || type_ == "xalignat")
397 os << "\n\\end{" << type_ << star(n) << "}\n";
399 else if (type_ == "xxalignat" || type_ == "multline" || type_ == "gather")
400 os << "\n\\end{" << type_ << "}\n";
403 os << "\\end{unknown" << star(n) << "}";
407 bool MathHullInset::colChangeOK() const
410 type_ == "align" || type_ == "flalign" ||type_ == "alignat" ||
411 type_ == "xalignat" || type_ == "xxalignat";
415 void MathHullInset::addRow(row_type row)
417 nonum_.insert(nonum_.begin() + row + 1, !numberedType());
418 label_.insert(label_.begin() + row + 1, string());
419 MathGridInset::addRow(row);
423 void MathHullInset::delRow(row_type row)
427 MathGridInset::delRow(row);
428 nonum_.erase(nonum_.begin() + row);
429 label_.erase(label_.begin() + row);
433 void MathHullInset::addCol(col_type col)
436 MathGridInset::addCol(col);
438 lyxerr << "Can't change number of columns in '" << type_ << "'\n";
442 void MathHullInset::delCol(col_type col)
445 MathGridInset::delCol(col);
447 lyxerr << "Can't change number of columns in '" << type_ << "'\n";
451 string MathHullInset::nicelabel(row_type row) const
455 if (label_[row].empty())
456 return string("(#)");
457 return "(" + label_[row] + ")";
461 void MathHullInset::glueall()
464 for (idx_type i = 0; i < nargs(); ++i)
466 *this = MathHullInset("simple");
472 string const & MathHullInset::getType() const
478 void MathHullInset::setType(string const & type)
486 void MathHullInset::mutate(string const & newtype)
488 //lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'\n";
490 // we try to move along the chain
491 // none <-> simple <-> equation <-> eqnarray
493 if (newtype == "dump") {
497 else if (newtype == type_) {
501 else if (type_ == "none") {
507 else if (type_ == "simple") {
508 if (newtype == "none") {
517 else if (type_ == "equation") {
518 if (smaller(newtype, type_)) {
521 } else if (newtype == "eqnarray") {
522 MathGridInset::addCol(1);
523 MathGridInset::addCol(1);
525 // split it "nicely" on the firest relop
526 pos_type pos = firstRelOp(cell(0));
527 cell(1) = MathArray(cell(0).begin() + pos, cell(0).end());
528 cell(0).erase(pos, cell(0).size());
530 if (cell(1).size()) {
531 cell(2) = MathArray(cell(1).begin() + 1, cell(1).end());
532 cell(1).erase(1, cell(1).size());
536 } else if (newtype == "multline" || newtype == "gather") {
540 MathGridInset::addCol(1);
542 pos_type pos = firstRelOp(cell(0));
544 cell(0).erase(pos, cell(0).size());
545 cell(1).erase(0, pos);
551 else if (type_ == "eqnarray") {
552 if (smaller(newtype, type_)) {
553 // set correct (no)numbering
554 bool allnonum = true;
555 for (row_type row = 0; row < nrows(); ++row)
559 // set first non-empty label
561 for (row_type row = 0; row < nrows(); ++row) {
562 if (!label_[row].empty()) {
569 nonum_[0] = allnonum;
572 } else { // align & Co.
573 for (row_type row = 0; row < nrows(); ++row) {
574 idx_type c = 3 * row + 1;
575 cell(c).append(cell(c + 1));
577 MathGridInset::delCol(2);
583 else if (type_ == "align") {
584 if (smaller(newtype, type_)) {
585 MathGridInset::addCol(1);
593 else if (type_ == "multline") {
594 if (newtype == "gather" || newtype == "align" ||
595 newtype == "xalignat" || newtype == "xxalignat" || newtype == "flalign")
597 else if (newtype == "eqnarray") {
598 MathGridInset::addCol(1);
599 MathGridInset::addCol(1);
602 lyxerr << "mutation from '" << type_
603 << "' to '" << newtype << "' not implemented" << endl;
607 else if (type_ == "gather") {
608 if (newtype == "multline") {
611 lyxerr << "mutation from '" << type_
612 << "' to '" << newtype << "' not implemented" << endl;
617 lyxerr << "mutation from '" << type_
618 << "' to '" << newtype << "' not implemented" << endl;
623 string MathHullInset::eolString(row_type row, bool fragile) const
626 if (numberedType()) {
627 if (!label_[row].empty())
628 res += "\\label{" + label_[row] + "}";
630 res += "\\nonumber ";
632 return res + MathGridInset::eolString(row, fragile);
636 void MathHullInset::write(WriteStream & os) const
639 MathGridInset::write(os);
644 void MathHullInset::normalize(NormalStream & os) const
646 os << "[formula " << type_ << " ";
647 MathGridInset::normalize(os);
652 void MathHullInset::mathmlize(MathMLStream & os) const
654 MathGridInset::mathmlize(os);
658 void MathHullInset::infoize(std::ostream & os) const
660 os << "Type: " << type_;
664 void MathHullInset::check() const
666 lyx::Assert(nonum_.size() == nrows());
667 lyx::Assert(label_.size() == nrows());
671 void MathHullInset::doExtern
672 (FuncRequest const & func, idx_type & idx, pos_type & pos)
676 istringstream iss(func.argument.c_str());
677 iss >> lang >> extra;
682 #warning temporarily disabled
686 // lyxerr << "use selection: " << ar << "\n";
687 // insert(pipeThroughExtern(lang, extra, ar));
693 eq.push_back(MathAtom(new MathCharInset('=')));
695 // go to first item in line
696 idx -= idx % ncols();
699 if (getType() == "simple") {
700 size_type pos = cell(idx).find_last(eq);
702 if (pos == cell(idx).size()) {
704 lyxerr << "use whole cell: " << ar << "\n";
706 ar = MathArray(cell(idx).begin() + pos + 1, cell(idx).end());
707 lyxerr << "use partial cell form pos: " << pos << "\n";
709 cell(idx).append(eq);
710 cell(idx).append(pipeThroughExtern(lang, extra, ar));
711 pos = cell(idx).size();
715 if (getType() == "equation") {
716 lyxerr << "use equation inset\n";
718 MathArray & ar = cell(idx);
719 lyxerr << "use cell: " << ar << "\n";
721 cell(idx + 2) = pipeThroughExtern(lang, extra, ar);
722 // move to end of line
724 pos = cell(idx).size();
729 lyxerr << "use eqnarray\n";
730 idx -= idx % ncols();
733 MathArray ar = cell(idx);
734 lyxerr << "use cell: " << ar << "\n";
736 #warning temporarily disabled
740 cell(idx + 3) = pipeThroughExtern(lang, extra, ar);
742 pos = cell(idx).size();
747 MathInset::result_type MathHullInset::dispatch
748 (FuncRequest const & cmd, idx_type & idx, pos_type & pos)
750 switch (cmd.action) {
753 if (type_ == "simple" || type_ == "equation") {
757 return DISPATCHED_POP;
759 return MathGridInset::dispatch(cmd, idx, pos);
761 case LFUN_MATH_NUMBER:
762 //lyxerr << "toggling all numbers\n";
764 //bv->lockedInsetStoreUndo(Undo::INSERT);
765 bool old = numberedType();
766 for (row_type row = 0; row < nrows(); ++row)
768 //bv->owner()->message(old ? _("No number") : _("Number"));
769 //updateLocal(bv, true);
773 case LFUN_MATH_NONUMBER:
775 //bv->lockedInsetStoreUndo(Undo::INSERT);
776 bool old = numbered(row(idx));
777 //bv->owner()->message(old ? _("No number") : _("Number"));
778 numbered(row(idx), !old);
779 //updateLocal(bv, true);
783 case LFUN_INSERT_LABEL: {
784 row_type r = row(idx);
785 string old_label = label(r);
786 string new_label = cmd.argument;
788 if (new_label.empty()) {
789 string const default_label =
790 (lyxrc.label_init_length >= 0) ? "eq:" : "";
791 pair<bool, string> const res = old_label.empty()
792 ? Alert::askForText(_("Enter new label to insert:"), default_label)
793 : Alert::askForText(_("Enter label:"), old_label);
796 new_label = trim(res.second);
799 //if (new_label == old_label)
800 // break; // Nothing to do
802 if (!new_label.empty())
805 #warning FIXME: please check you really mean repaint() ... is it needed,
806 #warning and if so, should it be update() instead ?
807 if (!new_label.empty()
808 && cmd.view()->ChangeRefsIfUnique(old_label, new_label))
809 cmd.view()->repaint();
815 case LFUN_MATH_EXTERN:
816 doExtern(cmd, idx, pos);
817 return DISPATCHED_POP;
819 case LFUN_MATH_MUTATE: {
820 row_type r = row(idx);
821 col_type c = col(idx);
822 mutate(cmd.argument);
823 idx = r * ncols() + c;
826 if (pos > cell(idx).size())
827 pos = cell(idx).size();
828 return DISPATCHED_POP;
831 case LFUN_MATH_DISPLAY: {
832 mutate(type_ == "simple" ? "equation" : "simple");
834 pos = cell(idx).size();
835 return DISPATCHED_POP;
839 return MathGridInset::dispatch(cmd, idx, pos);