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[lyx.git] / src / mathed / math_charinset.C

diff --git a/src/mathed/math_charinset.C b/src/mathed/math_charinset.C
index bfb6a7c3ab05996af66c92de8a65658abc59bb4e..a212db15e7e356c3e8851de0fe1ecd7a73cf2b68 100644 (file)
--- a/src/mathed/math_charinset.C
+++ b/src/mathed/math_charinset.C
@@ -1,123 +1,129 @@
+#include <config.h>
+
 #ifdef __GNUG__
 #pragma implementation
 #endif
 
-#include <cctype>
-
 #include "math_charinset.h"
 #include "LColor.h"
-#include "Painter.h"
+#include "frontends/Painter.h"
+#include "frontends/font_metrics.h"
 #include "support/LOstream.h"
-#include "mathed/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>
 
-MathCharInset::MathCharInset(char c)
-       : char_(c), code_(nativeCode(c)), needbs_(false)
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
 
+using std::ostream;
+using std::endl;
 
-MathCharInset::MathCharInset(char c, MathTextCodes t)
-       : char_(c), code_((t == LM_TC_MIN) ? nativeCode(c) : t), needbs_(false)
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
+#ifndef CXX_GLOBAL_CSTD
+using std::strchr;
+using std::isalpha;
+#endif
 
 
-MathCharInset::MathCharInset(char c, MathTextCodes t, bool needbs)
-       : char_(c), code_((t == LM_TC_MIN) ? nativeCode(c) : t), needbs_(needbs)
-{
-//lyxerr << "creating char '" << char_ << "' with code " << int(code_) << endl;
-}
+namespace {
 
+       bool isBinaryOp(char c)
+       {
+               return strchr("+-<>=/*", c);
+       }
 
-MathTextCodes MathCharInset::nativeCode(char c) const
-{
-       if (isalpha(c))
-               return LM_TC_VAR;
-       if (strchr("#$%{|}", c))
-               return LM_TC_SPECIAL;
-       //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);
 }
 
 
-int MathCharInset::ascent() const
-{
-       return mathed_char_ascent(code_, size(), char_);
-}
+MathCharInset::MathCharInset(char c)
+       : char_(c)
+{}
 
 
-int MathCharInset::descent() const
-{
-       return mathed_char_descent(code_, size(), char_);
-}
 
-
-int MathCharInset::width() const
+MathInset * MathCharInset::clone() const
 {
-       return mathed_char_width(code_, size(), char_);
+       return new MathCharInset(*this);
 }
 
 
-void MathCharInset::metrics(MathStyles st) const
+void MathCharInset::metrics(MathMetricsInfo & mi) const
 {
-       size_ = st;
+#if 1
+       if (slanted(char_) && mi.base.fontname == "mathnormal") {
+               MathShapeChanger dummy(mi.base.font, LyXFont::ITALIC_SHAPE);
+               mathed_char_dim(mi.base.font, char_, ascent_, descent_, width_);
+       } else {
+               mathed_char_dim(mi.base.font, char_, ascent_, descent_, width_);
+       }
+       if (isBinaryOp(char_))
+               width_ += 2 * font_metrics::width(' ', mi.base.font);
+#else
+       whichFont(font_, code_, mi);
+       mathed_char_dim(font_, char_, ascent_, descent_, width_);
+       if (isBinaryOp(char_, code_))
+               width_ += 2 * font_metrics::width(' ', font_);
+#endif
 }
 
 
-void MathCharInset::draw(Painter & pain, int x, int y) const
-{ 
-       xo(x);
-       yo(y);
-       //lyxerr << "drawing '" << char_ << "' code: " << code_ << endl;
-       drawChar(pain, code_, size_, x, y, char_);
+void MathCharInset::draw(MathPainterInfo & pi, int x, int y) const
+{
+       //lyxerr << "drawing '" << char_ << "' font: " << pi.base.fontname << endl;
+       if (isBinaryOp(char_))
+               x += font_metrics::width(' ', pi.base.font);
+#if 1
+       if (slanted(char_) && pi.base.fontname == "mathnormal") {
+               MathShapeChanger 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::writeHeader(std::ostream & os) const
+void MathCharInset::metricsT(TextMetricsInfo const &) const
 {
-       if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM) 
-               os << '\\' << math_font_name[code_ - LM_TC_RM] << '{';
+       width_   = 1;
+       ascent_  = 1;
+       descent_ = 0;
 }
 
 
-void MathCharInset::writeTrailer(std::ostream & os) const
+void MathCharInset::drawT(TextPainter & pain, int x, int y) const
 {
-       if (code_ >= LM_TC_RM && code_ <= LM_TC_TEXTRM)
-               os << '}';
+       //lyxerr << "drawing text '" << char_ << "' code: " << code_ << endl;
+       pain.draw(x, y, char_);
 }
 
 
-void MathCharInset::writeRaw(std::ostream & os) const
+void MathCharInset::write(WriteStream & os) const
 {
-       if (needbs_)
-               os << "\\";
        os << char_;
 }
 
 
-void MathCharInset::write(std::ostream & os, bool) const
+void MathCharInset::normalize(NormalStream & os) const
 {
-       writeHeader(os);
-       writeRaw(os);
-       writeTrailer(os);
+       os << "[char " << char_ << " " << "mathalpha" << "]";
 }
 
 
-void MathCharInset::writeNormal(std::ostream & os) const
+void MathCharInset::octavize(OctaveStream & os) const
 {
-       if (needbs_)
-               os << "\\";
        os << char_;
 }
 
@@ -128,7 +134,8 @@ bool MathCharInset::isRelOp() const
 }
 
 
-void MathCharInset::handleFont(MathTextCodes t)
+bool MathCharInset::match(MathInset * p) const
 {
-       code_ = (code_ == t) ? LM_TC_VAR : t;
+       MathCharInset const * q = p->asCharInset();
+       return q && char_ == q->char_;
 }