mirror of
https://git.lyx.org/repos/lyx.git
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100 lines
1.8 KiB
C++
100 lines
1.8 KiB
C++
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "math_charinset.h"
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#include "LColor.h"
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#include "Painter.h"
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#include "support/LOstream.h"
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#include "mathed/support.h"
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#include "math_parser.h"
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#include "debug.h"
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MathCharInset::MathCharInset(char c, MathTextCodes t)
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: char_(c)
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{
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code(t);
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}
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MathInset * MathCharInset::clone() const
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{
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return new MathCharInset(*this);
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}
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int MathCharInset::ascent() const
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{
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return mathed_char_ascent(code_, size(), char_);
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}
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int MathCharInset::descent() const
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{
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return mathed_char_descent(code_, size(), char_);
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}
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int MathCharInset::width() const
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{
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return mathed_char_width(code_, size(), char_);
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}
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void MathCharInset::draw(Painter & pain, int x, int y)
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{
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xo(x);
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yo(y);
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drawChar(pain, code_, size_, x, y, char_);
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}
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void MathCharInset::write(std::ostream & os, bool) const
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{
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int brace = 0;
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if (MathIsSymbol(code_)) {
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latexkeys const * l = lm_get_key_by_id(char_, LM_TK_SYM);
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if (l == 0)
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l = lm_get_key_by_id(char_, LM_TK_BIGSYM);
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if (l) {
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os << '\\' << l->name << ' ';
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} else {
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lyxerr << "Could not find the LaTeX name for "
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<< char_ << " and code_ " << code_ << "!" << std::endl;
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}
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} else {
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if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM)
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os << '\\' << math_font_name[code_ - LM_TC_RM] << '{';
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// Is there a standard logical XOR?
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if ((code_ == LM_TC_TEX && char_ != '{' && char_ != '}') ||
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(code_ == LM_TC_SPECIAL))
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os << '\\';
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else {
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if (char_ == '{')
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++brace;
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if (char_ == '}')
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--brace;
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}
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if (char_ == '}' && code_ == LM_TC_TEX && brace < 0)
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lyxerr <<"Math warning: Unexpected closing brace.\n";
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else
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os << char_;
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}
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if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM)
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os << '}';
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}
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void MathCharInset::writeNormal(std::ostream & os) const
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{
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os << "[sqrt ";
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cell(0).writeNormal(os);
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os << "] ";
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}
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