mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-27 03:36:39 +00:00
1829cdef6a
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6555 a592a061-630c-0410-9148-cb99ea01b6c8
845 lines
17 KiB
C
845 lines
17 KiB
C
#include <config.h>
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#include "math_hullinset.h"
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#include "math_mathmlstream.h"
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#include "math_streamstr.h"
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#include "math_cursor.h"
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#include "math_support.h"
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#include "math_extern.h"
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#include "math_charinset.h"
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#include "debug.h"
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#include "textpainter.h"
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#include "funcrequest.h"
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#include "Lsstream.h"
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#include "LaTeXFeatures.h"
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#include "support/LAssert.h"
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#include "frontends/Painter.h"
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#include "frontends/Alert.h"
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#include "lyxrc.h"
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#include "gettext.h"
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#include "BufferView.h"
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#include <vector>
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using std::vector;
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using std::max;
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using std::endl;
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using std::pair;
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namespace {
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int getCols(string const & type)
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{
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if (type == "eqnarray")
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return 3;
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if (type == "align")
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return 2;
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if (type == "flalign")
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return 2;
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if (type == "alignat")
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return 2;
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if (type == "xalignat")
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return 2;
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if (type == "xxalignat")
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return 2;
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return 1;
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}
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// returns position of first relation operator in the array
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// used for "intelligent splitting"
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MathArray::size_type firstRelOp(MathArray const & ar)
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{
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for (MathArray::const_iterator it = ar.begin(); it != ar.end(); ++it)
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if ((*it)->isRelOp())
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return it - ar.begin();
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return ar.size();
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}
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char const * star(bool numbered)
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{
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return numbered ? "" : "*";
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}
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int typecode(string const & s)
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{
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if (s == "none") return 0;
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if (s == "simple") return 1;
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if (s == "equation") return 2;
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if (s == "eqnarray") return 3;
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if (s == "align") return 4;
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if (s == "alignat") return 5;
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if (s == "xalignat") return 6;
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if (s == "xxalignat") return 7;
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if (s == "multline") return 8;
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if (s == "gather") return 9;
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if (s == "flalign") return 10;
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lyxerr << "unknown hull type '" << s << "'\n";
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return 0;
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}
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bool smaller(string const & s, string const & t)
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{
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return typecode(s) < typecode(t);
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}
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} // end anon namespace
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MathHullInset::MathHullInset()
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: MathGridInset(1, 1), type_("none"), nonum_(1), label_(1)
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{
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setDefaults();
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}
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MathHullInset::MathHullInset(string const & type)
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: MathGridInset(getCols(type), 1), type_(type), nonum_(1), label_(1)
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{
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setDefaults();
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}
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MathInset * MathHullInset::clone() const
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{
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return new MathHullInset(*this);
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}
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MathInset::mode_type MathHullInset::currentMode() const
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{
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if (type_ == "none")
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return UNDECIDED_MODE;
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// definitely math mode ...
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return MATH_MODE;
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}
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bool MathHullInset::idxFirst(idx_type & idx, pos_type & pos) const
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{
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idx = 0;
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pos = 0;
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return true;
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}
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bool MathHullInset::idxLast(idx_type & idx, pos_type & pos) const
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{
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idx = nargs() - 1;
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pos = cell(idx).size();
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return true;
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}
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char MathHullInset::defaultColAlign(col_type col)
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{
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if (type_ == "eqnarray")
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return "rcl"[col];
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if (typecode(type_) >= typecode("align"))
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return "rl"[col & 1];
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return 'c';
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}
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int MathHullInset::defaultColSpace(col_type col)
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{
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if (type_ == "align" || type_ == "alignat")
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return 0;
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if (type_ == "xalignat")
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return (col & 1) ? 20 : 0;
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if (type_ == "xxalignat" || type_ == "flalign")
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return (col & 1) ? 40 : 0;
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return 0;
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}
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char const * MathHullInset::standardFont() const
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{
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if (type_ == "none")
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return "lyxnochange";
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return "mathnormal";
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}
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void MathHullInset::metrics(MetricsInfo & mi) const
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{
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FontSetChanger dummy1(mi.base, standardFont());
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StyleChanger dummy2(mi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
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// let the cells adjust themselves
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MathGridInset::metrics(mi);
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if (display()) {
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dim_.a += 12;
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dim_.d += 12;
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}
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if (numberedType()) {
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FontSetChanger dummy(mi.base, "mathbf");
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int l = 0;
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for (row_type row = 0; row < nrows(); ++row)
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l = max(l, mathed_string_width(mi.base.font, nicelabel(row)));
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if (l)
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dim_.w += 30 + l;
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}
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// make it at least as high as the current font
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int asc = 0;
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int des = 0;
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math_font_max_dim(mi.base.font, asc, des);
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dim_.a = max(dim_.a, asc);
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dim_.d = max(dim_.d, des);
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// for markers
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metricsMarkers2();
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}
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void MathHullInset::draw(PainterInfo & pi, int x, int y) const
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{
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FontSetChanger dummy1(pi.base, standardFont());
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StyleChanger dummy2(pi.base, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
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MathGridInset::draw(pi, x + 1, y);
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if (numberedType()) {
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int const xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
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for (row_type row = 0; row < nrows(); ++row) {
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int const yy = y + rowinfo_[row].offset_;
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FontSetChanger dummy(pi.base, "mathrm");
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drawStr(pi, pi.base.font, xx, yy, nicelabel(row));
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}
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}
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drawMarkers2(pi, x, y);
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}
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void MathHullInset::metricsT(TextMetricsInfo const & mi) const
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{
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if (display()) {
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MathGridInset::metricsT(mi);
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} else {
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ostringstream os;
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WriteStream wi(os, false, true);
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write(wi);
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dim_.w = os.str().size();
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dim_.a = 1;
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dim_.d = 0;
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}
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}
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void MathHullInset::drawT(TextPainter & pain, int x, int y) const
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{
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if (display()) {
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MathGridInset::drawT(pain, x, y);
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} else {
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ostringstream os;
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WriteStream wi(os, false, true);
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write(wi);
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pain.draw(x, y, os.str().c_str());
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}
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}
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string MathHullInset::label(row_type row) const
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{
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row_type n = nrows();
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lyx::Assert(row < n);
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return label_[row];
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}
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void MathHullInset::label(row_type row, string const & label)
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{
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//lyxerr << "setting label '" << label << "' for row " << row << endl;
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label_[row] = label;
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}
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void MathHullInset::numbered(row_type row, bool num)
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{
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nonum_[row] = !num;
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}
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bool MathHullInset::numbered(row_type row) const
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{
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return !nonum_[row];
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}
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bool MathHullInset::ams() const
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{
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return
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type_ == "align" ||
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type_ == "flalign" ||
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type_ == "multline" ||
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type_ == "gather" ||
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type_ == "alignat" ||
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type_ == "xalignat" ||
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type_ == "xxalignat";
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}
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bool MathHullInset::display() const
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{
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return type_ != "simple" && type_ != "none";
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}
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void MathHullInset::getLabelList(std::vector<string> & labels) const
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{
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for (row_type row = 0; row < nrows(); ++row)
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if (!label_[row].empty() && nonum_[row] != 1)
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labels.push_back(label_[row]);
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}
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bool MathHullInset::numberedType() const
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{
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if (type_ == "none")
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return false;
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if (type_ == "simple")
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return false;
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if (type_ == "xxalignat")
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return false;
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for (row_type row = 0; row < nrows(); ++row)
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if (!nonum_[row])
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return true;
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return false;
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}
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void MathHullInset::validate(LaTeXFeatures & features) const
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{
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if (ams())
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features.require("amsmath");
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// Validation is necessary only if not using AMS math.
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// To be safe, we will always run mathedvalidate.
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//if (features.amsstyle)
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// return;
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features.require("boldsymbol");
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//features.binom = true;
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MathGridInset::validate(features);
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}
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void MathHullInset::header_write(WriteStream & os) const
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{
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bool n = numberedType();
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if (type_ == "none")
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;
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else if (type_ == "simple") {
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os << '$';
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if (cell(0).empty())
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os << ' ';
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}
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else if (type_ == "equation") {
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if (n)
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os << "\\begin{equation" << star(n) << "}\n";
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else
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os << "\\[\n";
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}
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else if (type_ == "eqnarray" || type_ == "align" || type_ == "flalign"
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|| type_ == "gather" || type_ == "multline")
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os << "\\begin{" << type_ << star(n) << "}\n";
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else if (type_ == "alignat" || type_ == "xalignat")
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os << "\\begin{" << type_ << star(n) << '}'
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<< '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
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else if (type_ == "xxalignat")
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os << "\\begin{" << type_ << '}'
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<< '{' << static_cast<unsigned int>((ncols() + 1)/2) << "}\n";
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else
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os << "\\begin{unknown" << star(n) << '}';
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}
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void MathHullInset::footer_write(WriteStream & os) const
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{
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bool n = numberedType();
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if (type_ == "none")
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os << "\n";
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else if (type_ == "simple")
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os << '$';
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else if (type_ == "equation")
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if (n)
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os << "\\end{equation" << star(n) << "}\n";
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else
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os << "\\]\n";
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else if (type_ == "eqnarray" || type_ == "align" || type_ == "flalign"
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|| type_ == "alignat" || type_ == "xalignat"
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|| type_ == "gather" || type_ == "multline")
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os << "\\end{" << type_ << star(n) << "}\n";
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else if (type_ == "xxalignat")
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os << "\\end{" << type_ << "}\n";
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else
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os << "\\end{unknown" << star(n) << '}';
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}
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bool MathHullInset::colChangeOK() const
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{
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return
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type_ == "align" || type_ == "flalign" ||type_ == "alignat" ||
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type_ == "xalignat" || type_ == "xxalignat";
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}
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void MathHullInset::addRow(row_type row)
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{
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nonum_.insert(nonum_.begin() + row + 1, !numberedType());
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label_.insert(label_.begin() + row + 1, string());
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MathGridInset::addRow(row);
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}
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void MathHullInset::delRow(row_type row)
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{
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if (nrows() <= 1)
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return;
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MathGridInset::delRow(row);
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nonum_.erase(nonum_.begin() + row);
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label_.erase(label_.begin() + row);
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}
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void MathHullInset::addCol(col_type col)
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{
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if (colChangeOK())
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MathGridInset::addCol(col);
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else
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lyxerr << "Can't change number of columns in '" << type_ << "'\n";
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}
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void MathHullInset::delCol(col_type col)
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{
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if (colChangeOK())
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MathGridInset::delCol(col);
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else
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lyxerr << "Can't change number of columns in '" << type_ << "'\n";
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}
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string MathHullInset::nicelabel(row_type row) const
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{
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if (nonum_[row])
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return string();
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if (label_[row].empty())
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return string("(#)");
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return '(' + label_[row] + ')';
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}
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void MathHullInset::glueall()
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{
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MathArray ar;
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for (idx_type i = 0; i < nargs(); ++i)
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ar.append(cell(i));
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*this = MathHullInset("simple");
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cell(0) = ar;
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setDefaults();
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}
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string const & MathHullInset::getType() const
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{
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return type_;
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}
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void MathHullInset::setType(string const & type)
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{
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type_ = type;
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setDefaults();
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}
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void MathHullInset::mutate(string const & newtype)
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{
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//lyxerr << "mutating from '" << type_ << "' to '" << newtype << "'\n";
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// we try to move along the chain
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// none <-> simple <-> equation <-> eqnarray
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if (newtype == "dump") {
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dump();
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}
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else if (newtype == type_) {
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// done
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}
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else if (type_ == "none") {
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setType("simple");
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numbered(0, false);
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mutate(newtype);
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}
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else if (type_ == "simple") {
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if (newtype == "none") {
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setType("none");
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} else {
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setType("equation");
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numbered(0, false);
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mutate(newtype);
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}
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}
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else if (type_ == "equation") {
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if (smaller(newtype, type_)) {
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setType("simple");
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mutate(newtype);
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} else if (newtype == "eqnarray") {
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MathGridInset::addCol(1);
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MathGridInset::addCol(1);
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// split it "nicely" on the firest relop
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pos_type pos = firstRelOp(cell(0));
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cell(1) = MathArray(cell(0).begin() + pos, cell(0).end());
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cell(0).erase(pos, cell(0).size());
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if (cell(1).size()) {
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cell(2) = MathArray(cell(1).begin() + 1, cell(1).end());
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cell(1).erase(1, cell(1).size());
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}
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setType("eqnarray");
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mutate(newtype);
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} else if (newtype == "multline" || newtype == "gather") {
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setType(newtype);
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numbered(0, false);
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} else {
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MathGridInset::addCol(1);
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// split it "nicely"
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pos_type pos = firstRelOp(cell(0));
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cell(1) = cell(0);
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cell(0).erase(pos, cell(0).size());
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cell(1).erase(0, pos);
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setType("align");
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mutate(newtype);
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}
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}
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else if (type_ == "eqnarray") {
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if (smaller(newtype, type_)) {
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// set correct (no)numbering
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bool allnonum = true;
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for (row_type row = 0; row < nrows(); ++row)
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if (!nonum_[row])
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allnonum = false;
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// set first non-empty label
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string label;
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for (row_type row = 0; row < nrows(); ++row) {
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if (!label_[row].empty()) {
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label = label_[row];
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break;
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}
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}
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glueall();
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nonum_[0] = allnonum;
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label_[0] = label;
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mutate(newtype);
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} else { // align & Co.
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for (row_type row = 0; row < nrows(); ++row) {
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idx_type c = 3 * row + 1;
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cell(c).append(cell(c + 1));
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}
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MathGridInset::delCol(2);
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setType("align");
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mutate(newtype);
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}
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}
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else if (type_ == "align") {
|
|
if (smaller(newtype, type_)) {
|
|
MathGridInset::addCol(1);
|
|
setType("eqnarray");
|
|
mutate(newtype);
|
|
} else {
|
|
setType(newtype);
|
|
}
|
|
}
|
|
|
|
else if (type_ == "multline") {
|
|
if (newtype == "gather" || newtype == "align" ||
|
|
newtype == "xalignat" || newtype == "xxalignat" || newtype == "flalign")
|
|
setType(newtype);
|
|
else if (newtype == "eqnarray") {
|
|
MathGridInset::addCol(1);
|
|
MathGridInset::addCol(1);
|
|
setType("eqnarray");
|
|
} else {
|
|
lyxerr << "mutation from '" << type_
|
|
<< "' to '" << newtype << "' not implemented" << endl;
|
|
}
|
|
}
|
|
|
|
else if (type_ == "gather") {
|
|
if (newtype == "multline") {
|
|
setType("multline");
|
|
} else {
|
|
lyxerr << "mutation from '" << type_
|
|
<< "' to '" << newtype << "' not implemented" << endl;
|
|
}
|
|
}
|
|
|
|
else {
|
|
lyxerr << "mutation from '" << type_
|
|
<< "' to '" << newtype << "' not implemented" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
string MathHullInset::eolString(row_type row, bool fragile) const
|
|
{
|
|
string res;
|
|
if (numberedType()) {
|
|
if (!label_[row].empty() && !nonum_[row])
|
|
res += "\\label{" + label_[row] + '}';
|
|
if (nonum_[row] && (type_ != "multline"))
|
|
res += "\\nonumber ";
|
|
}
|
|
return res + MathGridInset::eolString(row, fragile);
|
|
}
|
|
|
|
|
|
void MathHullInset::write(WriteStream & os) const
|
|
{
|
|
header_write(os);
|
|
MathGridInset::write(os);
|
|
footer_write(os);
|
|
}
|
|
|
|
|
|
void MathHullInset::normalize(NormalStream & os) const
|
|
{
|
|
os << "[formula " << type_ << ' ';
|
|
MathGridInset::normalize(os);
|
|
os << "] ";
|
|
}
|
|
|
|
|
|
void MathHullInset::mathmlize(MathMLStream & os) const
|
|
{
|
|
MathGridInset::mathmlize(os);
|
|
}
|
|
|
|
|
|
void MathHullInset::infoize(std::ostream & os) const
|
|
{
|
|
os << "Type: " << type_;
|
|
}
|
|
|
|
|
|
void MathHullInset::check() const
|
|
{
|
|
lyx::Assert(nonum_.size() == nrows());
|
|
lyx::Assert(label_.size() == nrows());
|
|
}
|
|
|
|
|
|
void MathHullInset::doExtern
|
|
(FuncRequest const & func, idx_type & idx, pos_type & pos)
|
|
{
|
|
string lang;
|
|
string extra;
|
|
istringstream iss(func.argument.c_str());
|
|
iss >> lang >> extra;
|
|
if (extra.empty())
|
|
extra = "noextra";
|
|
|
|
#ifdef WITH_WARNINGS
|
|
#warning temporarily disabled
|
|
//if (selection()) {
|
|
// MathArray ar;
|
|
// selGet(ar);
|
|
// lyxerr << "use selection: " << ar << "\n";
|
|
// insert(pipeThroughExtern(lang, extra, ar));
|
|
// return;
|
|
//}
|
|
#endif
|
|
|
|
MathArray eq;
|
|
eq.push_back(MathAtom(new MathCharInset('=')));
|
|
|
|
// go to first item in line
|
|
idx -= idx % ncols();
|
|
pos = 0;
|
|
|
|
if (getType() == "simple") {
|
|
size_type pos = cell(idx).find_last(eq);
|
|
MathArray ar;
|
|
if (mathcursor && mathcursor->selection()) {
|
|
ar = asArray(mathcursor->grabAndEraseSelection());
|
|
} else if (pos == cell(idx).size()) {
|
|
ar = cell(idx);
|
|
lyxerr << "use whole cell: " << ar << "\n";
|
|
} else {
|
|
ar = MathArray(cell(idx).begin() + pos + 1, cell(idx).end());
|
|
lyxerr << "use partial cell form pos: " << pos << "\n";
|
|
}
|
|
cell(idx).append(eq);
|
|
cell(idx).append(pipeThroughExtern(lang, extra, ar));
|
|
pos = cell(idx).size();
|
|
return;
|
|
}
|
|
|
|
if (getType() == "equation") {
|
|
lyxerr << "use equation inset\n";
|
|
mutate("eqnarray");
|
|
MathArray & ar = cell(idx);
|
|
lyxerr << "use cell: " << ar << "\n";
|
|
cell(idx + 1) = eq;
|
|
cell(idx + 2) = pipeThroughExtern(lang, extra, ar);
|
|
// move to end of line
|
|
idx += 2;
|
|
pos = cell(idx).size();
|
|
return;
|
|
}
|
|
|
|
{
|
|
lyxerr << "use eqnarray\n";
|
|
idx -= idx % ncols();
|
|
idx += 2;
|
|
pos = 0;
|
|
MathArray ar = cell(idx);
|
|
lyxerr << "use cell: " << ar << "\n";
|
|
#ifdef WITH_WARNINGS
|
|
#warning temporarily disabled
|
|
#endif
|
|
addRow(row(idx));
|
|
cell(idx + 2) = eq;
|
|
cell(idx + 3) = pipeThroughExtern(lang, extra, ar);
|
|
idx += 3;
|
|
pos = cell(idx).size();
|
|
}
|
|
}
|
|
|
|
|
|
dispatch_result MathHullInset::dispatch
|
|
(FuncRequest const & cmd, idx_type & idx, pos_type & pos)
|
|
{
|
|
switch (cmd.action) {
|
|
|
|
case LFUN_BREAKLINE:
|
|
if (type_ == "simple" || type_ == "equation") {
|
|
mutate("eqnarray");
|
|
idx = 1;
|
|
pos = 0;
|
|
return DISPATCHED_POP;
|
|
}
|
|
return MathGridInset::dispatch(cmd, idx, pos);
|
|
|
|
case LFUN_MATH_NUMBER:
|
|
//lyxerr << "toggling all numbers\n";
|
|
if (display()) {
|
|
//bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
bool old = numberedType();
|
|
if (type_ == "multline")
|
|
numbered(nrows() - 1, !old);
|
|
else
|
|
for (row_type row = 0; row < nrows(); ++row)
|
|
numbered(row, !old);
|
|
//bv->owner()->message(old ? _("No number") : _("Number"));
|
|
}
|
|
return DISPATCHED;
|
|
|
|
case LFUN_MATH_NONUMBER:
|
|
if (display()) {
|
|
row_type r = (type_ == "multline") ? nrows() - 1 : row(idx);
|
|
//bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
bool old = numbered(r);
|
|
//bv->owner()->message(old ? _("No number") : _("Number"));
|
|
numbered(r, !old);
|
|
}
|
|
return DISPATCHED;
|
|
|
|
case LFUN_INSERT_LABEL: {
|
|
row_type r = (type_ == "multline") ? nrows() - 1 : row(idx);
|
|
string old_label = label(r);
|
|
string new_label = cmd.argument;
|
|
|
|
if (new_label.empty()) {
|
|
string const default_label =
|
|
(lyxrc.label_init_length >= 0) ? "eq:" : "";
|
|
pair<bool, string> const res = old_label.empty()
|
|
? Alert::askForText(_("Enter new label to insert:"), default_label)
|
|
: Alert::askForText(_("Enter label:"), old_label);
|
|
if (!res.first)
|
|
break;
|
|
new_label = trim(res.second);
|
|
}
|
|
|
|
//if (new_label == old_label)
|
|
// break; // Nothing to do
|
|
|
|
if (!new_label.empty())
|
|
numbered(r, true);
|
|
|
|
#warning FIXME: please check you really mean repaint() ... is it needed,
|
|
#warning and if so, should it be update() instead ?
|
|
if (!new_label.empty()
|
|
&& cmd.view()->ChangeRefsIfUnique(old_label, new_label))
|
|
cmd.view()->repaint();
|
|
|
|
label(r, new_label);
|
|
return DISPATCHED;
|
|
}
|
|
|
|
case LFUN_MATH_EXTERN:
|
|
doExtern(cmd, idx, pos);
|
|
return DISPATCHED_POP;
|
|
|
|
case LFUN_MATH_MUTATE: {
|
|
row_type r = row(idx);
|
|
col_type c = col(idx);
|
|
mutate(cmd.argument);
|
|
idx = r * ncols() + c;
|
|
if (idx >= nargs())
|
|
idx = nargs() - 1;
|
|
if (pos > cell(idx).size())
|
|
pos = cell(idx).size();
|
|
return DISPATCHED_POP;
|
|
}
|
|
|
|
case LFUN_MATH_DISPLAY: {
|
|
mutate(type_ == "simple" ? "equation" : "simple");
|
|
idx = 0;
|
|
pos = cell(idx).size();
|
|
return DISPATCHED_POP;
|
|
}
|
|
|
|
default:
|
|
return MathGridInset::dispatch(cmd, idx, pos);
|
|
|
|
}
|
|
return UNDISPATCHED;
|
|
}
|