3 * Purpose: Implementation of macro class for mathed
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: November 1996
6 * Description: WYSIWYG math macros
10 * Copyright: 1996, 1997 Alejandro Aguilar Sierra
12 * Version: 0.2, Math & Lyx project.
14 * This code is under the GNU General Public Licence version 2 or later.
18 #pragma implementation
21 #include "math_macro.h"
22 #include "math_support.h"
23 #include "math_extern.h"
24 #include "math_macrotable.h"
25 #include "math_macrotemplate.h"
26 #include "math_mathmlstream.h"
27 #include "support/lstrings.h"
28 #include "support/LAssert.h"
31 #include "LaTeXFeatures.h"
37 MathMacro::MathMacro(string const & name)
38 : MathNestInset(MathMacroTable::provide(name)->asMacroTemplate()->numargs()),
39 tmplate_(MathMacroTable::provide(name))
43 MathMacro::MathMacro(MathMacro const & m)
45 tmplate_(m.tmplate_) // don't copy 'expanded_'!
50 MathInset * MathMacro::clone() const
52 return new MathMacro(*this);
56 const char * MathMacro::name() const
58 return tmplate_->asMacroTemplate()->name().c_str();
62 bool MathMacro::defining() const
65 //return mathcursor && mathcursor->formula()->getInsetName() == name();
69 void MathMacro::metrics(MathMetricsInfo const & mi) const
71 whichFont(font_, LM_TC_TEX, mi);
75 mathed_string_dim(font_, name(), ascent_, descent_, width_);
80 expanded_ = tmplate_->xcell(0);
81 expanded_.metrics(mi_);
82 width_ = expanded_.width() + 4;
83 ascent_ = expanded_.ascent() + 2;
84 descent_ = expanded_.descent() + 2;
86 width_ += mathed_string_width(font_, name()) + 10;
91 mathed_string_dim(font_, "#1: ", lasc, ldes, lwid);
93 for (idx_type i = 0; i < nargs(); ++i) {
94 MathXArray const & c = xcell(i);
96 width_ = max(width_, c.width() + lwid);
97 descent_ += max(c.ascent(), lasc) + 5;
98 descent_ += max(c.descent(), ldes) + 5;
103 expanded_ = tmplate_->xcell(0);
104 expanded_.data_.substitute(*this);
105 expanded_.metrics(mi_);
106 width_ = expanded_.width();
107 ascent_ = expanded_.ascent();
108 descent_ = expanded_.descent();
112 void MathMacro::draw(Painter & pain, int x, int y) const
117 whichFont(texfont, LM_TC_TEX, mi_);
120 drawStr(pain, texfont, x, y, name());
125 int h = y - ascent() + 2 + expanded_.ascent();
126 drawStr(pain, font_, x + 3, h, name());
128 int const w = mathed_string_width(font_, name());
129 expanded_.draw(pain, x + w + 12, h);
130 h += expanded_.descent();
135 mathed_string_dim(font_, "#1: ", lasc, ldes, lwid);
137 for (idx_type i = 0; i < nargs(); ++i) {
138 MathXArray const & c = xcell(i);
139 h += max(c.ascent(), lasc) + 5;
140 c.draw(pain, x + lwid, h);
142 str[1] += static_cast<char>(i);
143 drawStr(pain, texfont, x + 3, h, str);
144 h += max(c.descent(), ldes) + 5;
149 expanded_.draw(pain, x, y);
153 void MathMacro::dump() const
155 MathMacroTable::dump();
156 lyxerr << "\n macro: '" << this << "'\n";
157 lyxerr << " name: '" << name() << "'\n";
158 lyxerr << " template: '";
159 WriteStream wi(lyxerr);
165 bool MathMacro::idxUpDown(idx_type & idx, bool up) const
169 up ? MathNestInset::idxLeft(idx, pos) : MathNestInset::idxRight(idx, pos);
173 bool MathMacro::idxLeft(idx_type &, pos_type &) const
179 bool MathMacro::idxRight(idx_type &, pos_type &) const
185 void MathMacro::validate(LaTeXFeatures & features) const
187 if (name() == "binom")
188 features.require("binom");
189 //MathInset::validate(features);
193 void MathMacro::maplize(MapleStream & os) const
196 ::maplize(expanded_.data_, os);
200 void MathMacro::mathmlize(MathMLStream & os) const
203 ::mathmlize(expanded_.data_, os);
207 void MathMacro::octavize(OctaveStream & os) const
210 ::octavize(expanded_.data_, os);
214 void MathMacro::normalize(NormalStream & os) const
216 os << "[macro " << name() << " ";
217 for (idx_type i = 0; i < nargs(); ++i)
218 os << cell(i) << ' ';
223 void MathMacro::write(WriteStream & os) const
225 os << '\\' << name();
226 for (idx_type i = 0; i < nargs(); ++i)
227 os << '{' << cell(i) << '}';
233 void MathMacro::updateExpansion() const
235 expanded_ = tmplate_->xcell(0);
236 expanded_.data_.substitute(*this);