+#include <config.h>
+
#ifdef __GNUG__
#pragma implementation
#endif
-#include <cctype>
-
#include "math_charinset.h"
#include "LColor.h"
#include "Painter.h"
#include "support/LOstream.h"
-#include "mathed/support.h"
-#include "math_parser.h"
+#include "font.h"
#include "debug.h"
+#include "math_support.h"
+#include "math_mathmlstream.h"
+#include "LaTeXFeatures.h"
+#include "textpainter.h"
+
+#include <cctype>
+#include <cstring>
+
+
+using std::ostream;
+using std::endl;
+
+#ifndef CXX_GLOBAL_CSTD
+using std::strchr;
+#endif
+
+
+bool isBinaryOp(char c, MathTextCodes type)
+{
+ return type < LM_TC_SYMB && strchr("+-<>=/*", c);
+}
MathCharInset::MathCharInset(char c)
}
-MathTextCodes MathCharInset::nativeCode(char c) const
+MathTextCodes MathCharInset::nativeCode(char c)
{
if (isalpha(c))
return LM_TC_VAR;
MathInset * MathCharInset::clone() const
-{
+{
return new MathCharInset(*this);
}
-int MathCharInset::ascent() const
+void MathCharInset::metrics(MathMetricsInfo const & mi) const
{
- return mathed_char_ascent(code_, mi_, char_);
+ whichFont(font_, code_, mi);
+ mathed_char_dim(font_, char_, ascent_, descent_, width_);
+ if (isBinaryOp(char_, code_))
+ width_ += 2 * lyxfont::width(' ', font_);
}
-int MathCharInset::descent() const
+void MathCharInset::draw(Painter & pain, int x, int y) const
{
- return mathed_char_descent(code_, mi_, char_);
+ //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
+ if (isBinaryOp(char_, code_))
+ x += lyxfont::width(' ', font_);
+ drawChar(pain, font_, x, y, char_);
}
-int MathCharInset::width() const
+void MathCharInset::metricsT(TextMetricsInfo const &) const
{
- return mathed_char_width(code_, mi_, char_);
+ width_ = 1;
+ ascent_ = 1;
+ descent_ = 0;
}
-void MathCharInset::metrics(MathMetricsInfo const & mi) const
+void MathCharInset::drawT(TextPainter & pain, int x, int y) const
{
- mi_ = mi;
-}
-
-
-void MathCharInset::draw(Painter & pain, int x, int y) const
-{
- //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
- drawChar(pain, code_, mi_, x, y, char_);
+ //lyxerr << "drawing text '" << char_ << "' code: " << code_ << endl;
+ pain.draw(x, y, char_);
}
-void MathCharInset::writeHeader(std::ostream & os) const
+void MathCharInset::writeHeader(ostream & os) const
{
if (math_font_name(code_))
os << '\\' << math_font_name(code_) << '{';
}
-void MathCharInset::writeTrailer(std::ostream & os) const
+void MathCharInset::writeTrailer(ostream & os) const
{
if (math_font_name(code_))
os << '}';
}
-void MathCharInset::writeRaw(std::ostream & os) const
+void MathCharInset::writeRaw(ostream & os) const
{
os << char_;
}
-void MathCharInset::write(MathWriteInfo & os) const
+void MathCharInset::write(WriteStream & os) const
{
- writeHeader(os.os);
- writeRaw(os.os);
- writeTrailer(os.os);
+ writeHeader(os.os());
+ writeRaw(os.os());
+ writeTrailer(os.os());
}
-void MathCharInset::writeNormal(std::ostream & os) const
+void MathCharInset::normalize(NormalStream & os) const
{
os << "[char " << char_ << " " << "mathalpha" << "]";
}
{
code_ = (code_ == t) ? LM_TC_VAR : t;
}
+
+
+void MathCharInset::validate(LaTeXFeatures & features) const
+{
+ // Make sure amssymb is put in preamble if Blackboard Bold or
+ // Fraktur used:
+ if ((code_ == LM_TC_BB) || (code_ == LM_TC_EUFRAK))
+ features.require("amssymb");
+}
+
+
+bool MathCharInset::match(MathInset * p) const
+{
+ MathCharInset const * q = p->asCharInset();
+ return q && char_ == q->char_ && code_ == q->code_;
+}