infrastructure for requiring "amssymb".

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

diff --git a/src/mathed/math_symbolinset.C b/src/mathed/math_symbolinset.C
index 12aebfd95042a25ba7e1838c09ef68b8e045882a..f2f0f5c6a2273a88990a9af1558fd148f7c4a4ff 100644 (file)
--- a/src/mathed/math_symbolinset.C
+++ b/src/mathed/math_symbolinset.C
@@ -1,54 +1,190 @@
-#include "math_symbolinset.h"
-#include "mathed/math_parser.h"
-#include "support/LOstream.h"
+#include <config.h>
 
+#include "math_symbolinset.h"
+#include "math_mathmlstream.h"
+#include "math_streamstr.h"
+#include "math_support.h"
+#include "math_parser.h"
+#include "debug.h"
 
-using std::ostream;
 
 MathSymbolInset::MathSymbolInset(const latexkeys * l)
-       : sym_(l)
+       : sym_(l), h_(0)
+{}
+
+
+MathSymbolInset::MathSymbolInset(const char * name)
+       : sym_(in_word_set(name)), h_(0)
+{}
+
+
+MathSymbolInset::MathSymbolInset(string const & name)
+       : sym_(in_word_set(name.c_str())), h_(0)
 {}
 
 
+
 MathInset * MathSymbolInset::clone() const
 {
        return new MathSymbolInset(*this);
 }
 
 
-void MathSymbolInset::write(ostream & os, bool /* fragile */) const
+MathTextCodes MathSymbolInset::code() const
+{
+       switch(sym_->token) {
+       case LM_TK_CMR:
+               return LM_TC_CMR;
+       case LM_TK_CMSY:
+               return LM_TC_CMSY;
+       case LM_TK_CMM:
+               return LM_TC_CMM;
+       case LM_TK_CMEX:
+               return LM_TC_CMEX;
+       case LM_TK_MSA:
+               return LM_TC_MSA;
+       case LM_TK_MSB:
+               return LM_TC_MSB;
+       default:
+               return LM_TC_SYMB;
+       }
+}
+
+
+MathTextCodes MathSymbolInset::code2() const
 {
-       os << '\\' << sym_->name << ' ';
+       if (sym_->token == LM_TK_CMEX)
+               return LM_TC_BOLDSYMB;
+       else
+               return LM_TC_SYMB;
 }
 
 
-void MathSymbolInset::writeNormal(ostream & os) const
+string MathSymbolInset::name() const
 {
-       os << "[bigop " << sym_->name << "] ";
+       return sym_->name;
 }
 
 
-void MathSymbolInset::metrics(MathStyles st)
+void MathSymbolInset::metrics(MathMetricsInfo const & mi) const
 {
-       size(st);
-       
-       if (sym_->id > 0 && sym_->id < 256) {
-               ssym_ = string();
-               ssym_ += sym_->id;
-               code_ = (sym_->token == LM_TK_BIGSYM) ? LM_TC_BSYM : LM_TC_SYMB;
+       mi_ = mi;
+       MathTextCodes c = code();
+       if (sym_->latex_font_id > 0 && math_font_available(c)) {
+               mathed_char_dim(c, mi_, sym_->latex_font_id, ascent_, descent_, width_);
+               if (c == LM_TC_CMEX) {
+                       h_ = 4 * descent_ / 5;
+                       ascent_  += h_;
+                       descent_ -= h_;
+               }
        } else {
-               ssym_ = sym_->name;
-               code_ = LM_TC_TEXTRM;
+               if (sym_->id > 0 && sym_->id < 255 && math_font_available(LM_TC_SYMB))
+                       mathed_char_dim(code2(), mi_, sym_->id, ascent_, descent_, width_);
+               else
+                       mathed_string_dim(LM_TC_TEX, mi_, sym_->name, ascent_, descent_, width_);
        }
-
-       mathed_string_dim(code_, size(), ssym_, ascent_, descent_, width_);
+       if (isRelOp())
+               width_ += mathed_char_width(LM_TC_TEX, mi_, 'I');
 }
 
 
-void MathSymbolInset::draw(Painter & pain, int x, int y)
+void MathSymbolInset::draw(Painter & pain, int x, int y) const
 {  
-       xo(x);
-       yo(y);
+       if (isRelOp())
+               x += mathed_char_width(LM_TC_TEX, mi_, 'I') / 2;
+       MathTextCodes Code = code();
+       if (sym_->latex_font_id > 0 && math_font_available(Code))
+               drawChar(pain, Code, mi_, x, y - h_, sym_->latex_font_id);
+       else if (sym_->id > 0 && sym_->id < 255 && math_font_available(LM_TC_SYMB))
+               drawChar(pain, code2(), mi_, x, y, sym_->id);
+       else
+               drawStr(pain, LM_TC_TEX, mi_, x, y, sym_->name);
+}
+
+
+bool MathSymbolInset::isRelOp() const
+{      
+       return sym_->type == "mathrel";
+}
+
+
+bool MathSymbolInset::isScriptable() const
+{
+       return mi_.style == LM_ST_DISPLAY && sym_->token == LM_TK_CMEX;
+}
+
+
+bool MathSymbolInset::takesLimits() const
+{
+       return sym_->token == LM_TK_CMEX;
+}
+
+
+void MathSymbolInset::normalize(NormalStream & os) const
+{
+       os << "[symbol " << name() << "]";
+}
 
-       drawStr(pain, code_, size_, x, y, ssym_);
+
+void MathSymbolInset::maplize(MapleStream & os) const
+{
+       if (name() == "cdot")
+               os << '*';
+       else
+               os << name();
+}
+
+
+char const * MathMLtype(string const & s)
+{
+       if (s == "mathop")
+               return "mo";
+       return "mi";
+}
+
+
+bool MathSymbolInset::match(MathInset * p) const
+{
+       MathSymbolInset const * q = p->asSymbolInset();
+       return q && name() == q->name();
+}
+
+
+void MathSymbolInset::mathmlize(MathMLStream & os) const
+{
+       char const * type = MathMLtype(sym_->type);
+       os << '<' << type << "> ";
+       if (sym_->xmlname == "x") // unknown so far
+               os << name();
+       else
+               os << sym_->xmlname;
+       os << " </" << type << '>';
+}
+
+
+void MathSymbolInset::octavize(OctaveStream & os) const
+{
+       if (name() == "cdot")
+               os << '*';
+       else
+               os << name();
+}
+
+
+void MathSymbolInset::write(WriteStream & os) const
+{
+       os << '\\' << name() << ' ';
+}
+
+
+void MathSymbolInset::infoize(std::ostream & os) const
+{
+       os << '\\' << name();
+}
+
+
+void MathSymbolInset::validate(LaTeXFeatures & features) const
+{
+       // if (...)
+       //      features.require("amssymb");
 }