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"
23 #include "support/lstrings.h"
24 #include "support/LAssert.h"
26 #include "mathed/support.h"
27 #include "mathed/math_cursor.h"
28 #include "math_macrotable.h"
29 #include "math_macrotemplate.h"
31 #include "LaTeXFeatures.h"
35 MathMacro::MathMacro(MathMacroTemplate const & t)
36 : MathNestInset(t.numargs()), tmplate_(&t)
40 MathMacro::MathMacro(MathMacro const & t)
41 : MathNestInset(t), tmplate_(t.tmplate_) // don't copy 'expanded_'!
46 MathInset * MathMacro::clone() const
48 return new MathMacro(*this);
52 const char * MathMacro::name() const
54 return tmplate_->name().c_str();
58 void MathMacro::metrics(MathStyles st) const
60 if (mathcursor && mathcursor->isInside(this)) {
61 expanded_ = tmplate_->xcell(0);
62 expanded_.metrics(st);
64 width_ = expanded_.width() + 4;
65 ascent_ = expanded_.ascent() + 2;
66 descent_ = expanded_.descent() + 2;
68 width_ += mathed_string_width(LM_TC_TEXTRM, size_, name()) + 10;
73 mathed_string_dim(LM_TC_TEXTRM, size_, "#1: ", lasc, ldes, lwid);
75 for (int i = 0; i < nargs(); ++i) {
76 MathXArray const & c = xcell(i);
78 width_ = std::max(width_, c.width() + lwid);
79 descent_ += std::max(c.ascent(), lasc) + 5;
80 descent_ += std::max(c.descent(), ldes) + 5;
83 expanded_ = tmplate_->xcell(0);
84 expanded_.data_.substitute(*this);
85 expanded_.metrics(st);
87 width_ = expanded_.width() + 6;
88 ascent_ = expanded_.ascent() + 3;
89 descent_ = expanded_.descent() + 3;
94 void MathMacro::draw(Painter & pain, int x, int y) const
103 if (mathcursor && mathcursor->isInside(this)) {
105 int h = y - ascent() + 2 + expanded_.ascent();
106 drawStr(pain, LM_TC_TEXTRM, size(), x + 3, h, name());
108 int const w = mathed_string_width(LM_TC_TEXTRM, size(), name());
109 expanded_.draw(pain, x + w + 12, h);
110 h += expanded_.descent();
115 mathed_string_dim(LM_TC_TEXTRM, size_, "#1: ", lasc, ldes, lwid);
117 for (int i = 0; i < nargs(); ++i) {
118 MathXArray const & c = xcell(i);
119 h += std::max(c.ascent(), lasc) + 5;
120 c.draw(pain, x + lwid, h);
123 drawStr(pain, LM_TC_TEX, size(), x + 3, h, str);
124 h += std::max(c.descent(), ldes) + 5;
128 expanded_.draw(pain, x + 3, y);
129 //col = LColor::black;
133 // pain.rectangle(x + 1, y - ascent() + 1, width() - 2, height() - 2, col);
137 void MathMacro::dump(std::ostream & os) const
139 MathMacroTable::dump();
140 os << "\n macro: '" << this << "'\n";
141 os << " name: '" << name() << "'\n";
142 os << " template: '" << tmplate_ << "'\n";
143 os << " template: '" << *tmplate_ << "'\n";
147 void MathMacro::write(std::ostream & os, bool fragile) const
149 os << '\\' << name();
150 for (int i = 0; i < nargs(); ++i) {
152 cell(i).write(os, fragile);
160 void MathMacro::writeNormal(std::ostream & os) const
162 os << "[macro " << name() << " ";
163 for (int i = 0; i < nargs(); ++i) {
164 cell(i).writeNormal(os);
171 bool MathMacro::idxUp(int & idx, int & pos) const
173 return MathNestInset::idxLeft(idx, pos);
177 bool MathMacro::idxDown(int & idx, int & pos) const
179 return MathNestInset::idxRight(idx, pos);
183 bool MathMacro::idxLeft(int &, int &) const
189 bool MathMacro::idxRight(int &, int &) const
195 void MathMacro::validate(LaTeXFeatures & features) const
197 if (name() == "binom")
198 features.binom = true;
199 //MathInset::validate(features);