#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include <cctype>
-
#include "math_charinset.h"
#include "LColor.h"
-#include "Painter.h"
+#include "dimension.h"
+#include "frontends/Painter.h"
+#include "frontends/font_metrics.h"
#include "support/LOstream.h"
-#include "math_support.h"
-#include "math_parser.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;
+using std::auto_ptr;
+#ifndef CXX_GLOBAL_CSTD
+using std::strchr;
+using std::isalpha;
+#endif
-MathCharInset::MathCharInset(char c)
- : char_(c), code_(nativeCode(c))
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
+extern bool has_math_fonts;
+namespace {
-MathCharInset::MathCharInset(char c, MathTextCodes t)
- : char_(c), code_((t == LM_TC_MIN) ? nativeCode(c) : t)
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
+ bool isBinaryOp(char c)
+ {
+ return strchr("+-<>=/*", c);
+ }
-MathTextCodes MathCharInset::nativeCode(char c)
-{
- if (isalpha(c))
- return LM_TC_VAR;
- //if (strchr("0123456789;:!|[]().,?+/-*<>=", c)
- return LM_TC_CONST;
+ bool slanted(char c)
+ {
+ //if (strchr("0123456789;:!|[]().,?+/-*<>=", c)
+ return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
+ }
+
}
-MathInset * MathCharInset::clone() const
-{
- return new MathCharInset(*this);
-}
+MathCharInset::MathCharInset(char c)
+ : char_(c)
+{}
+
-void MathCharInset::metrics(MathMetricsInfo const & mi) const
+auto_ptr<InsetBase> MathCharInset::clone() const
{
- mi_ = mi;
- mathed_char_dim(code_, mi_, char_, ascent_, descent_, width_);
+ return auto_ptr<InsetBase>(new MathCharInset(*this));
}
-void MathCharInset::draw(Painter & pain, int x, int y) const
-{
- //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
- drawChar(pain, code_, mi_, x, y, char_);
+void MathCharInset::metrics(MetricsInfo & mi, Dimension & dim) const
+{
+#if 1
+ if (char_ == '=' && has_math_fonts) {
+ FontSetChanger dummy(mi.base, "cmr");
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
+ FontSetChanger dummy(mi.base, "cmm");
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else if (slanted(char_) && mi.base.fontname == "mathnormal") {
+ ShapeChanger dummy(mi.base.font, LyXFont::ITALIC_SHAPE);
+ mathed_char_dim(mi.base.font, char_, dim);
+ } else {
+ mathed_char_dim(mi.base.font, char_, dim);
+ }
+ int const em = mathed_char_width(mi.base.font, 'M');
+ if (isBinaryOp(char_))
+ dim.wid += static_cast<int>(0.5*em+0.5);
+ else if (char_ == '\'')
+ dim.wid += static_cast<int>(0.1667*em+0.5);
+#else
+ whichFont(font_, code_, mi);
+ mathed_char_dim(font_, char_, dim_);
+ if (isBinaryOp(char_, code_))
+ width_ += 2 * font_metrics::width(' ', font_);
+ lyxerr << "MathCharInset::metrics: " << dim << endl;
+#endif
}
-void MathCharInset::writeHeader(ostream & os) const
+void MathCharInset::draw(PainterInfo & pi, int x, int y) const
{
- if (math_font_name(code_))
- os << '\\' << math_font_name(code_) << '{';
+ //lyxerr << "drawing '" << char_ << "' font: " << pi.base.fontname << endl;
+ int const em = mathed_char_width(pi.base.font, 'M');
+ if (isBinaryOp(char_))
+ x += static_cast<int>(0.25*em+0.5);
+ else if (char_ == '\'')
+ x += static_cast<int>(0.0833*em+0.5);
+#if 1
+ if (char_ == '=' && has_math_fonts) {
+ FontSetChanger dummy(pi.base, "cmr");
+ pi.draw(x, y, char_);
+ } else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
+ FontSetChanger dummy(pi.base, "cmm");
+ pi.draw(x, y, char_);
+ } else if (slanted(char_) && pi.base.fontname == "mathnormal") {
+ ShapeChanger dummy(pi.base.font, LyXFont::ITALIC_SHAPE);
+ pi.draw(x, y, char_);
+ } else {
+ pi.draw(x, y, char_);
+ }
+#else
+ drawChar(pain, font_, x, y, char_);
+#endif
}
-void MathCharInset::writeTrailer(ostream & os) const
+void MathCharInset::metricsT(TextMetricsInfo const &, Dimension & dim) const
{
- if (math_font_name(code_))
- os << '}';
+ dim.wid = 1;
+ dim.asc = 1;
+ dim.des = 0;
}
-void MathCharInset::writeRaw(ostream & os) const
+void MathCharInset::drawT(TextPainter & pain, int x, int y) const
{
- os << char_;
+ //lyxerr << "drawing text '" << char_ << "' code: " << code_ << endl;
+ pain.draw(x, y, char_);
}
void MathCharInset::write(WriteStream & os) const
{
- writeHeader(os.os());
- writeRaw(os.os());
- writeTrailer(os.os());
+ os << char_;
}
void MathCharInset::normalize(NormalStream & os) const
{
- os << "[char " << char_ << " " << "mathalpha" << "]";
-}
-
-
-bool MathCharInset::isRelOp() const
-{
- return char_ == '=' || char_ == '<' || char_ == '>';
+ os << "[char " << char_ << ' ' << "mathalpha]";
}
-void MathCharInset::handleFont(MathTextCodes t)
+void MathCharInset::octave(OctaveStream & os) const
{
- code_ = (code_ == t) ? LM_TC_VAR : t;
+ os << char_;
}
-void MathCharInset::validate(LaTeXFeatures & features) const
+bool MathCharInset::isRelOp() 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");
+ return char_ == '=' || char_ == '<' || char_ == '>';
}
-bool MathCharInset::match(MathInset * p) const
+bool MathCharInset::match(MathInset const * p) const
{
MathCharInset const * q = p->asCharInset();
- return q && char_ == q->char_ && code_ == q->code_;
+ return q && char_ == q->char_;
}