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
74 mathed_string_dim(LM_TC_TEX, mi_, name(), ascent_, descent_, width_);
79 expanded_ = tmplate_->xcell(0);
80 expanded_.metrics(mi_);
81 width_ = expanded_.width() + 4;
82 ascent_ = expanded_.ascent() + 2;
83 descent_ = expanded_.descent() + 2;
85 width_ += mathed_string_width(LM_TC_TEXTRM, mi_, name()) + 10;
90 mathed_string_dim(LM_TC_TEXTRM, mi_, "#1: ", lasc, ldes, lwid);
92 for (idx_type i = 0; i < nargs(); ++i) {
93 MathXArray const & c = xcell(i);
95 width_ = max(width_, c.width() + lwid);
96 descent_ += max(c.ascent(), lasc) + 5;
97 descent_ += max(c.descent(), ldes) + 5;
102 expanded_ = tmplate_->xcell(0);
103 expanded_.data_.substitute(*this);
104 expanded_.metrics(mi_);
105 width_ = expanded_.width();
106 ascent_ = expanded_.ascent();
107 descent_ = expanded_.descent();
111 void MathMacro::draw(Painter & pain, int x, int y) const
116 drawStr(pain, LM_TC_TEX, mi_, x, y, name());
121 int h = y - ascent() + 2 + expanded_.ascent();
122 drawStr(pain, LM_TC_TEXTRM, mi_, x + 3, h, name());
124 int const w = mathed_string_width(LM_TC_TEXTRM, mi_, name());
125 expanded_.draw(pain, x + w + 12, h);
126 h += expanded_.descent();
131 mathed_string_dim(LM_TC_TEXTRM, mi_, "#1: ", lasc, ldes, lwid);
133 for (idx_type i = 0; i < nargs(); ++i) {
134 MathXArray const & c = xcell(i);
135 h += max(c.ascent(), lasc) + 5;
136 c.draw(pain, x + lwid, h);
138 str[1] += static_cast<char>(i);
139 drawStr(pain, LM_TC_TEX, mi_, x + 3, h, str);
140 h += max(c.descent(), ldes) + 5;
145 expanded_.draw(pain, x, y);
149 void MathMacro::dump() const
151 MathMacroTable::dump();
152 lyxerr << "\n macro: '" << this << "'\n";
153 lyxerr << " name: '" << name() << "'\n";
154 lyxerr << " template: '";
155 WriteStream wi(lyxerr);
161 bool MathMacro::idxUp(idx_type & idx) const
164 return MathNestInset::idxLeft(idx, pos);
168 bool MathMacro::idxDown(idx_type & idx) const
171 return MathNestInset::idxRight(idx, pos);
175 bool MathMacro::idxLeft(idx_type &, pos_type &) const
181 bool MathMacro::idxRight(idx_type &, pos_type &) const
187 void MathMacro::validate(LaTeXFeatures & features) const
189 if (name() == "binom")
190 features.require("binom");
191 //MathInset::validate(features);
195 void MathMacro::maplize(MapleStream & os) const
198 ::maplize(expanded_.data_, os);
202 void MathMacro::mathmlize(MathMLStream & os) const
205 ::mathmlize(expanded_.data_, os);
209 void MathMacro::octavize(OctaveStream & os) const
212 ::octavize(expanded_.data_, os);
216 void MathMacro::normalize(NormalStream & os) const
218 os << "[macro " << name() << " ";
219 for (idx_type i = 0; i < nargs(); ++i)
220 os << cell(i) << ' ';
225 void MathMacro::write(WriteStream & os) const
227 os << '\\' << name();
228 for (idx_type i = 0; i < nargs(); ++i)
229 os << '{' << cell(i) << '}';
235 void MathMacro::updateExpansion() const
237 expanded_ = tmplate_->xcell(0);
238 expanded_.data_.substitute(*this);