change output to uses streams instead of strings

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

diff --git a/src/mathed/math_symbolinset.C b/src/mathed/math_symbolinset.C
index ea1efff9b069556d46081cf2c86c4ef3d1a52c76..94d5697be0aecb6506d4a84b4056c2aca9b71de2 100644 (file)
--- a/src/mathed/math_symbolinset.C
+++ b/src/mathed/math_symbolinset.C
@@ -1,12 +1,14 @@
 #include "math_symbolinset.h"
-#include "mathed/math_parser.h"
+#include "math_parser.h"
+#include "debug.h"
+#include "support.h"
 #include "support/LOstream.h"
 
 
 using std::ostream;
 
 MathSymbolInset::MathSymbolInset(const latexkeys * l)
-       : sym_(l)
+       : sym_(l), h_(0)
 {}
 
 
@@ -16,7 +18,7 @@ MathInset * MathSymbolInset::clone() const
 }
 
 
-void MathSymbolInset::write(ostream & os, bool /* fragile */) const
+void MathSymbolInset::write(MathWriteInfo & os) const
 {
        os << '\\' << sym_->name << ' ';
 }
@@ -24,37 +26,115 @@ void MathSymbolInset::write(ostream & os, bool /* fragile */) const
 
 void MathSymbolInset::writeNormal(ostream & os) const
 {
-       os << "[bigop " << sym_->name << "] ";
+       os << "[symbol " << sym_->name << "]";
 }
 
 
-void MathSymbolInset::metrics(MathStyles st) const
+MathTextCodes MathSymbolInset::code() 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;
-       } else {
-               ssym_ = sym_->name;
-               code_ = LM_TC_TEX;
+       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
+{
+       if (sym_->token == LM_TK_CMEX)
+               return LM_TC_BOLDSYMB;
+       else
+               return LM_TC_SYMB;
+}
 
-       mathed_string_dim(code_, size(), ssym_, ascent_, descent_, width_);
+
+void MathSymbolInset::metrics(MathMetricsInfo const & mi) const
+{
+       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 {
+               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_);
+       }
+       if (isRelOp())
+               width_ +=  mathed_char_width(LM_TC_TEX, mi_, 'I');
 }
 
 
 void MathSymbolInset::draw(Painter & pain, int x, int y) const
 {  
-       xo(x);
-       yo(y);
-
-       drawStr(pain, code_, size_, x, y, ssym_);
+       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 == LMB_RELATION;
+}
+
+
+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::maplize(MapleStream & os) const
+{
+       if (sym_->name == "cdot")
+               os << '*';
+       else
+               os << sym_->name.c_str();
+}
+
+
+void MathSymbolInset::mathmlize(MathMLStream & os) const
+{
+       os << sym_->name.c_str();
+}
+
+
+void MathSymbolInset::octavize(OctaveStream & os) const
 {
-       return sym_->id == LM_leq || sym_->id == LM_geq;
+       if (sym_->name == "cdot")
+               os << '*';
+       else
+               os << sym_->name.c_str();
 }
+
+