src/frontends/qt4/GuiMath.cpp

   1 /**
   2  * \file GuiMath.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "GuiMath.h"
  14
  15 #include "FuncRequest.h"
  16
  17 #include "support/debug.h"
  18
  19 using namespace std;
  20
  21 namespace lyx {
  22 namespace frontend {
  23
  24 GuiMath::GuiMath(GuiView & lv, QString const & name, QString const & title)
  25         : GuiDialog(lv, name, title)
  26 {
  27         // FIXME: Ideally, those unicode codepoints would be defined
  28         // in "lib/symbols". Unfortunately, some of those are already
  29         // defined with non-unicode ids for use within mathed.
  30         // FIXME 2: We should fill-in this map with the parsed "symbols"
  31         // file done in MathFactory.cpp.
  32         math_symbols_["("] = MathSymbol('(');
  33         math_symbols_[")"] = MathSymbol(')');
  34         math_symbols_["{"] = MathSymbol('{');
  35         math_symbols_["}"] = MathSymbol('}');
  36         math_symbols_["["] = MathSymbol('[');
  37         math_symbols_["]"] = MathSymbol(']');
  38         math_symbols_["|"] = MathSymbol('|');
  39         math_symbols_["/"] = MathSymbol('/', 54, CMSY_FAMILY);
  40         math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
  41         math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
  42         math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
  43         math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
  44         math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
  45         math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
  46         math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
  47         math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
  48         math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
  49         math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
  50         math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
  51         math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
  52         math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
  53         math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
  54         math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
  55         math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
  56         math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
  57         math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
  58
  59         map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
  60         map<string, MathSymbol>::const_iterator end = math_symbols_.end();
  61         for (; it != end; ++it)
  62                 tex_names_[it->second.unicode] = it->first;
  63 }
  64
  65
  66 void GuiMath::dispatchFunc(FuncCode action, string const & arg) const
  67 {
  68         dispatch(FuncRequest(action, arg));
  69 }
  70
  71
  72 MathSymbol const & GuiMath::mathSymbol(string tex_name) const
  73 {
  74         map<string, MathSymbol>::const_iterator it =
  75                 math_symbols_.find(tex_name);
  76
  77         static MathSymbol unknown_symbol;
  78         if (it == math_symbols_.end())
  79                 return unknown_symbol;
  80
  81         return it->second;
  82 }
  83
  84
  85 string const & GuiMath::texName(char_type math_symbol) const
  86 {
  87         map<char_type, string>::const_iterator it =
  88                 tex_names_.find(math_symbol);
  89
  90         static string empty_string;
  91         if (it == tex_names_.end())
  92                 return empty_string;
  93
  94         return it->second;
  95 }
  96
  97
  98 } // namespace frontend
  99 } // namespace lyx