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"
34 MathMacro::MathMacro(string const & name)
35 : MathNestInset(MathMacroTable::provide(name)->asMacroTemplate()->numargs()),
36 tmplate_(MathMacroTable::provide(name))
40 MathMacro::MathMacro(MathMacro const & m)
42 tmplate_(m.tmplate_) // don't copy 'expanded_'!
47 MathInset * MathMacro::clone() const
49 return new MathMacro(*this);
53 const char * MathMacro::name() const
55 return tmplate_->asMacroTemplate()->name().c_str();
59 bool MathMacro::defining() const
62 //return mathcursor && mathcursor->formula()->getInsetName() == name();
66 void MathMacro::metrics(MathMetricsInfo const & mi) const
71 mathed_string_dim(LM_TC_TEX, mi_, name(), ascent_, descent_, width_);
76 expanded_ = tmplate_->xcell(0);
77 expanded_.metrics(mi_);
78 width_ = expanded_.width() + 4;
79 ascent_ = expanded_.ascent() + 2;
80 descent_ = expanded_.descent() + 2;
82 width_ += mathed_string_width(LM_TC_TEXTRM, mi_, name()) + 10;
87 mathed_string_dim(LM_TC_TEXTRM, mi_, "#1: ", lasc, ldes, lwid);
89 for (idx_type i = 0; i < nargs(); ++i) {
90 MathXArray const & c = xcell(i);
92 width_ = std::max(width_, c.width() + lwid);
93 descent_ += std::max(c.ascent(), lasc) + 5;
94 descent_ += std::max(c.descent(), ldes) + 5;
99 expanded_ = tmplate_->xcell(0);
100 expanded_.data_.substitute(*this);
101 expanded_.metrics(mi_);
102 width_ = expanded_.width();
103 ascent_ = expanded_.ascent();
104 descent_ = expanded_.descent();
108 void MathMacro::draw(Painter & pain, int x, int y) const
113 drawStr(pain, LM_TC_TEX, mi_, x, y, name());
118 int h = y - ascent() + 2 + expanded_.ascent();
119 drawStr(pain, LM_TC_TEXTRM, mi_, x + 3, h, name());
121 int const w = mathed_string_width(LM_TC_TEXTRM, mi_, name());
122 expanded_.draw(pain, x + w + 12, h);
123 h += expanded_.descent();
128 mathed_string_dim(LM_TC_TEXTRM, mi_, "#1: ", lasc, ldes, lwid);
130 for (idx_type i = 0; i < nargs(); ++i) {
131 MathXArray const & c = xcell(i);
132 h += std::max(c.ascent(), lasc) + 5;
133 c.draw(pain, x + lwid, h);
135 str[1] += static_cast<char>(i);
136 drawStr(pain, LM_TC_TEX, mi_, x + 3, h, str);
137 h += std::max(c.descent(), ldes) + 5;
142 expanded_.draw(pain, x, y);
146 void MathMacro::dump() const
148 MathMacroTable::dump();
149 lyxerr << "\n macro: '" << this << "'\n";
150 lyxerr << " name: '" << name() << "'\n";
151 lyxerr << " template: '";
152 WriteStream wi(lyxerr);
158 bool MathMacro::idxUp(idx_type & idx) const
161 return MathNestInset::idxLeft(idx, pos);
165 bool MathMacro::idxDown(idx_type & idx) const
168 return MathNestInset::idxRight(idx, pos);
172 bool MathMacro::idxLeft(idx_type &, pos_type &) const
178 bool MathMacro::idxRight(idx_type &, pos_type &) const
184 void MathMacro::validate(LaTeXFeatures & features) const
186 if (name() == "binom")
187 features.require("binom");
188 //MathInset::validate(features);
192 void MathMacro::maplize(MapleStream & os) const
195 ::maplize(expanded_.data_, os);
199 void MathMacro::mathmlize(MathMLStream & os) const
202 ::mathmlize(expanded_.data_, os);
206 void MathMacro::octavize(OctaveStream & os) const
209 ::octavize(expanded_.data_, os);
213 void MathMacro::normalize(NormalStream & os) const
215 os << "[macro " << name() << " ";
216 for (idx_type i = 0; i < nargs(); ++i)
217 os << cell(i) << ' ';
222 void MathMacro::write(WriteStream & os) const
224 os << '\\' << name();
225 for (idx_type i = 0; i < nargs(); ++i)
226 os << '{' << cell(i) << '}';
232 void MathMacro::updateExpansion() const
234 expanded_ = tmplate_->xcell(0);
235 expanded_.data_.substitute(*this);