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(), t.name()), 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 void MathMacro::metrics(MathStyles st) const
54 if (mathcursor && mathcursor->isInside(this)) {
55 expanded_ = tmplate_->xcell(0);
56 expanded_.metrics(st);
58 width_ = expanded_.width() + 4;
59 ascent_ = expanded_.ascent() + 2;
60 descent_ = expanded_.descent() + 2;
62 width_ += mathed_string_width(LM_TC_TEXTRM, size_, name_) + 10;
67 mathed_string_dim(LM_TC_TEXTRM, size_, "#1: ", lasc, ldes, lwid);
69 for (int i = 0; i < nargs(); ++i) {
70 MathXArray const & c = xcell(i);
72 width_ = std::max(width_, c.width() + lwid);
73 descent_ += std::max(c.ascent(), lasc) + 5;
74 descent_ += std::max(c.descent(), ldes) + 5;
77 expanded_ = tmplate_->xcell(0);
78 expanded_.data_.substitute(*this);
79 expanded_.metrics(st);
81 width_ = expanded_.width() + 6;
82 ascent_ = expanded_.ascent() + 3;
83 descent_ = expanded_.descent() + 3;
88 void MathMacro::draw(Painter & pain, int x, int y) const
97 if (mathcursor && mathcursor->isInside(this)) {
99 int h = y - ascent() + 2 + expanded_.ascent();
100 drawStr(pain, LM_TC_TEXTRM, size(), x + 3, h, name_);
102 int const w = mathed_string_width(LM_TC_TEXTRM, size(), name_);
103 expanded_.draw(pain, x + w + 12, h);
104 h += expanded_.descent();
109 mathed_string_dim(LM_TC_TEXTRM, size_, "#1: ", lasc, ldes, lwid);
111 for (int i = 0; i < nargs(); ++i) {
112 MathXArray const & c = xcell(i);
113 h += std::max(c.ascent(), lasc) + 5;
114 c.draw(pain, x + lwid, h);
117 drawStr(pain, LM_TC_TEX, size(), x + 3, h, str);
118 h += std::max(c.descent(), ldes) + 5;
122 expanded_.draw(pain, x + 3, y);
127 pain.rectangle(x + 1, y - ascent() + 1, width() - 2, height() - 2, col);
131 void MathMacro::dump(std::ostream & os) const
133 MathMacroTable::dump();
134 os << "\n macro: '" << this << "'\n";
135 os << " name: '" << name_ << "'\n";
136 os << " template: '" << tmplate_ << "'\n";
137 os << " template: '" << *tmplate_ << "'\n";
141 void MathMacro::write(std::ostream & os, bool fragile) const
144 for (int i = 0; i < nargs(); ++i) {
146 cell(i).write(os, fragile);
154 void MathMacro::writeNormal(std::ostream & os) const
156 os << "[macro " << name_ << " ";
157 for (int i = 0; i < nargs(); ++i) {
158 cell(i).writeNormal(os);
165 bool MathMacro::idxUp(int & idx, int & pos) const
167 return MathNestInset::idxLeft(idx, pos);
171 bool MathMacro::idxDown(int & idx, int & pos) const
173 return MathNestInset::idxRight(idx, pos);
177 bool MathMacro::idxLeft(int &, int &) const
183 bool MathMacro::idxRight(int &, int &) const
189 void MathMacro::validate(LaTeXFeatures & features) const
191 if (name_ == "binom")
192 features.binom = true;
193 //MathInset::validate(features);