mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-11-11 13:46:43 +00:00
b1c4f8070f
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2146 a592a061-630c-0410-9148-cb99ea01b6c8
540 lines
9.3 KiB
C
540 lines
9.3 KiB
C
#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include <vector>
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#include <functional>
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#include "math_matrixinset.h"
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#include "debug.h"
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#include "support/LOstream.h"
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#include "Painter.h"
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#include "LaTeXFeatures.h"
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LyXFont WhichFont(short type, int size);
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namespace {
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string const getAlign(short int type, int cols)
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{
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string align;
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switch (type) {
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case LM_OT_ALIGN:
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for (int i = 0; i < cols; ++i)
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align += "Rl";
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break;
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case LM_OT_ALIGNAT:
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for (int i = 0; i < cols; ++i)
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align += "rl";
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break;
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case LM_OT_MULTLINE:
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align = "C";
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break;
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default:
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align = "rcl";
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break;
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}
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return align;
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}
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string const star(bool n)
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{
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return n ? "" : "*";
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}
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int getCols(short int type)
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{
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int col;
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switch (type) {
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case LM_OT_EQNARRAY:
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col = 3;
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break;
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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col = 2;
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break;
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default:
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col = 1;
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}
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return col;
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}
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}
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MathMatrixInset::MathMatrixInset(MathInsetTypes t)
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: MathGridInset(getCols(t), 1, "formula", t), nonum_(1), label_(1)
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{}
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MathMatrixInset::MathMatrixInset()
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: MathGridInset(1, 1, "formula", LM_OT_SIMPLE), nonum_(1), label_(1)
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{}
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MathInset * MathMatrixInset::Clone() const
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{
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return new MathMatrixInset(*this);
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}
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void MathMatrixInset::Metrics(MathStyles st)
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{
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size_ = st;
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//LyXFont wfont = WhichFont(LM_TC_BF, size());
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//wfont.setLatex(LyXFont::OFF);
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// let the cells adjust themselves
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MathGridInset::Metrics(st);
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if (display()) {
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ascent_ += 12;
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descent_ += 12;
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}
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if (numberedType()) {
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int l = 0;
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for (int row = 0; row < nrows(); ++row)
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l = std::max(l, mathed_string_width(LM_TC_TEXTRM, size(), nicelabel(row)));
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if (l)
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width_ += 30 + l;
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}
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}
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void MathMatrixInset::draw(Painter & pain, int x, int y)
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{
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xo(x);
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yo(y);
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MathGridInset::draw(pain, x, y);
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if (numberedType()) {
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LyXFont wfont = WhichFont(LM_TC_BF, size());
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#ifndef NO_LATEX
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wfont.setLatex(LyXFont::OFF);
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#endif
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int xx = x + colinfo_.back().offset_ + colinfo_.back().width_ + 20;
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for (int row = 0; row < nrows(); ++row)
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pain.text(xx, y + rowinfo_[row].offset_, nicelabel(row), wfont);
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}
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}
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void MathMatrixInset::Write(std::ostream & os, bool fragile) const
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{
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header_write(os);
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bool n = numberedType();
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for (int row = 0; row < nrows(); ++row) {
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if (row)
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os << " \\\\\n";
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for (int col = 0; col < ncols(); ++col) {
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if (col)
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os << " & ";
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cell(index(row, col)).Write(os, fragile);
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}
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if (n) {
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if (!label_[row].empty())
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os << "\\label{" << label_[row] << "}";
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if (nonum_[row])
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os << "\\nonumber ";
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}
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}
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footer_write(os);
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}
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string MathMatrixInset::label(int row) const
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{
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return label_[row];
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}
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void MathMatrixInset::label(int row, string const & label)
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{
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label_[row] = label;
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}
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void MathMatrixInset::numbered(int row, bool num)
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{
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nonum_[row] = !num;
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}
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bool MathMatrixInset::numbered(int row) const
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{
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return !nonum_[row];
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}
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bool MathMatrixInset::ams() const
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{
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return true;
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}
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bool MathMatrixInset::display() const
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{
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return GetType() != LM_OT_SIMPLE;
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}
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std::vector<string> const MathMatrixInset::getLabelList() const
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{
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std::vector<string> res;
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for (int row = 0; row < nrows(); ++row)
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if (!label_[row].empty() && nonum_[row] != 1)
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res.push_back(label_[row]);
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return res;
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}
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bool MathMatrixInset::numberedType() const
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{
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if (GetType() == LM_OT_SIMPLE)
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return false;
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for (int 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 MathMatrixInset::Validate(LaTeXFeatures & features)
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{
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features.amsstyle = ams();
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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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//Validate1(features);
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features.boldsymbol = true;
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features.binom = true;
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}
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/*
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void MathMatrixInset::Validate1(LaTeXFeatures & features)
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{
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MathIter it(cell());
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while (it.OK() && !(features.binom && features.boldsymbol)) {
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MathInset * p = it.GetInset();
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if (p) {
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p = it.GetActiveInset();
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if (p) {
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if (!features.binom && p->GetType() == LM_OT_MACRO &&
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p->name() == "binom") {
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features.binom = true;
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} else {
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for (int i = 0; i <= p->getMaxArgumentIdx(); ++i) {
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p->setArgumentIdx(i);
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Validate1(features, p);
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}
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}
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} else {
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if (!features.boldsymbol && p->name() == "boldsymbol")
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features.boldsymbol = true;
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}
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}
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it.Next();
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}
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}
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*/
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void MathMatrixInset::header_write(std::ostream & os) const
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{
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bool n = numberedType();
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switch (GetType()) {
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case LM_OT_SIMPLE:
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os << "\\(";
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break;
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case LM_OT_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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break;
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case LM_OT_EQNARRAY:
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os << "\\begin{eqnarray" << star(n) << "}\n";
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break;
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case LM_OT_ALIGN:
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os << "\\begin{align" << star(n) << "}";
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break;
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case LM_OT_ALIGNAT:
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os << "\\begin{alignat" << star(n) << "}"
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<< "{" << ncols()/2 << "}\n";
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break;
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}
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}
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void MathMatrixInset::footer_write(std::ostream & os) const
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{
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bool n = numberedType();
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switch (GetType()) {
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case LM_OT_SIMPLE:
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os << "\\)";
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break;
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case LM_OT_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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break;
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case LM_OT_EQNARRAY:
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os << "\\end{eqnarray" << star(n) << "}\n";
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break;
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case LM_OT_ALIGN:
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os << "\\end{align" << star(n) << "}\n";
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break;
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case LM_OT_ALIGNAT:
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os << "\\end{alignat" << star(n) << "}\n";
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break;
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}
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}
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void MathMatrixInset::addRow(int 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 MathMatrixInset::appendRow()
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{
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nonum_.push_back(!numberedType());
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label_.push_back(string());
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MathGridInset::appendRow();
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}
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void MathMatrixInset::delRow(int row)
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{
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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 MathMatrixInset::addCol(int col)
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{
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switch (GetType()) {
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case LM_OT_EQUATION:
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mutate(LM_OT_EQNARRAY);
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break;
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case LM_OT_EQNARRAY:
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mutate(LM_OT_ALIGN);
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addCol(col);
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break;
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case LM_OT_ALIGN:
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case LM_OT_ALIGNAT:
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MathGridInset::addCol(col);
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halign(col, 'l');
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MathGridInset::addCol(col);
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halign(col, 'r');
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break;
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default:
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break;
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}
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}
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void MathMatrixInset::delCol(int col)
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{
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switch (GetType()) {
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case LM_OT_ALIGN:
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MathGridInset::delCol(col);
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break;
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default:
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break;
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}
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}
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void MathMatrixInset::breakLine()
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{
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if (GetType() == LM_OT_SIMPLE || GetType() == LM_OT_EQUATION)
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mutate(LM_OT_EQNARRAY);
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addRow(nrows() - 1);
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}
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void MathMatrixInset::splitCell(int idx)
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{
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if (idx == nargs() - 1) {
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lyxerr << "can't split last cell\n";
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return;
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}
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lyxerr << "unimplemented\n";
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}
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string MathMatrixInset::nicelabel(int 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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namespace {
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short typecode(string const & s)
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{
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if (s == "equation")
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return LM_OT_EQUATION;
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if (s == "display")
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return LM_OT_EQUATION;
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if (s == "eqnarray")
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return LM_OT_EQNARRAY;
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if (s == "align")
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return LM_OT_ALIGN;
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if (s == "xalign")
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return LM_OT_XALIGN;
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if (s == "xxalign")
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return LM_OT_XXALIGN;
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if (s == "multline")
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return LM_OT_MULTLINE;
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return LM_OT_SIMPLE;
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}
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}
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void MathMatrixInset::mutate(string const & newtype)
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{
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if (newtype == "dump") {
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dump();
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return;
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}
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//lyxerr << "mutating from '" << GetType() << "' to '" << newtype << "'\n";
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mutate(typecode(newtype));
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}
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void MathMatrixInset::glueall()
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{
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MathArray ar;
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for (int i = 0; i < nargs(); ++i)
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ar.push_back(cell(i));
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*this = MathMatrixInset(LM_OT_SIMPLE);
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cell(0) = ar;
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}
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void MathMatrixInset::mutate(short newtype)
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{
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//lyxerr << "mutating from '" << GetType() << "' to '" << newtype << "'\n";
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if (newtype == GetType())
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return;
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switch (GetType()) {
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case LM_OT_SIMPLE:
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SetType(LM_OT_EQUATION);
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numbered(false);
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mutate(newtype);
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break;
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case LM_OT_EQUATION:
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switch (newtype) {
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case LM_OT_SIMPLE:
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SetType(LM_OT_SIMPLE);
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break;
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case LM_OT_ALIGN:
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MathGridInset::addCol(1);
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halign("rl");
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SetType(LM_OT_ALIGN);
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break;
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default:
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MathGridInset::addCol(1);
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MathGridInset::addCol(1);
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halign("rcl");
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SetType(LM_OT_EQNARRAY);
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mutate(newtype);
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break;
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}
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break;
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case LM_OT_EQNARRAY:
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switch (newtype) {
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case LM_OT_SIMPLE:
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glueall();
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break;
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case LM_OT_EQUATION:
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if (nrows() == 1) {
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MathGridInset::delCol(2);
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MathGridInset::delCol(1);
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SetType(LM_OT_EQUATION);
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mutate(newtype);
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} else
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lyxerr << "need to delete rows first\n";
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break;
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case LM_OT_ALIGN:
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default:
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for (int row = 0; row < nrows(); ++row) {
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int c = 3 * row + 1;
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cell(c).push_back(cell(c + 1));
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}
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MathGridInset::delCol(2);
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SetType(LM_OT_ALIGN);
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halign("rl");
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mutate(newtype);
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break;
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}
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break;
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case LM_OT_ALIGN:
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switch (newtype) {
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case LM_OT_SIMPLE:
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case LM_OT_EQUATION:
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case LM_OT_EQNARRAY:
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MathGridInset::addCol(1);
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SetType(LM_OT_EQNARRAY);
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halign("lrl");
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mutate(newtype);
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break;
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default:
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lyxerr << "mutation from '" << GetType()
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<< "' to '" << newtype << "' not implemented\n";
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break;
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}
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break;
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default:
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lyxerr << "mutation from '" << GetType()
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<< "' to '" << newtype << "' not implemented\n";
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}
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}
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