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 #include "support/debug.h"
  15 #include "FuncRequest.h"
  16
  17 using namespace std;
  18
  19 namespace lyx {
  20 namespace frontend {
  21
  22 GuiMath::GuiMath(GuiView & lv, string const & name)
  23         : GuiDialog(lv, name)
  24 {
  25         // FIXME: Ideally, those unicode codepoints would be defined
  26         // in "lib/symbols". Unfortunately, some of those are already
  27         // defined with non-unicode ids for use within mathed.
  28         // FIXME 2: We should fill-in this map with the parsed "symbols"
  29         // file done in MathFactory.cpp.
  30         math_symbols_["("] = MathSymbol('(');
  31         math_symbols_[")"] = MathSymbol(')');
  32         math_symbols_["{"] = MathSymbol('{');
  33         math_symbols_["}"] = MathSymbol('}');
  34         math_symbols_["["] = MathSymbol('[');
  35         math_symbols_["]"] = MathSymbol(']');
  36         math_symbols_["|"] = MathSymbol('|');
  37         math_symbols_["/"] = MathSymbol('/', 54, CMSY_FAMILY);
  38         math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
  39         math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
  40         math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
  41         math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
  42         math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
  43         math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
  44         math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
  45         math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
  46         math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
  47         math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
  48         math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
  49         math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
  50         math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
  51         math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
  52         math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
  53         math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
  54         math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
  55         math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
  56
  57         map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
  58         map<string, MathSymbol>::const_iterator end = math_symbols_.end();
  59         for (; it != end; ++it)
  60                 tex_names_[it->second.unicode] = it->first;
  61 }
  62
  63
  64 void GuiMath::dispatchFunc(kb_action action, string const & arg) const
  65 {
  66         dispatch(FuncRequest(action, arg));
  67 }
  68
  69
  70 void GuiMath::dispatchInsert(string const & name) const
  71 {
  72         dispatchFunc(LFUN_MATH_INSERT, '\\' + name);
  73 }
  74
  75
  76 void GuiMath::dispatchSubscript() const
  77 {
  78         dispatchFunc(LFUN_MATH_INSERT, "_");
  79 }
  80
  81
  82 void GuiMath::dispatchSuperscript() const
  83 {
  84         dispatchFunc(LFUN_MATH_INSERT, "^");
  85 }
  86
  87
  88 void GuiMath::dispatchCubeRoot() const
  89 {
  90         dispatchFunc(LFUN_MATH_INSERT, "\\root");
  91         dispatchFunc(LFUN_SELF_INSERT, "3");
  92         dispatchFunc(LFUN_CHAR_FORWARD);
  93 }
  94
  95
  96 void GuiMath::dispatchMatrix(string const & str) const
  97 {
  98         dispatchFunc(LFUN_MATH_MATRIX, str);
  99 }
 100
 101
 102 void GuiMath::dispatchDelim(string const & str) const
 103 {
 104         dispatchFunc(LFUN_MATH_DELIM, str);
 105 }
 106
 107
 108 void GuiMath::dispatchBigDelim(string const & str) const
 109 {
 110         dispatchFunc(LFUN_MATH_BIGDELIM, str);
 111 }
 112
 113
 114 void GuiMath::dispatchToggleDisplay() const
 115 {
 116         dispatchFunc(LFUN_MATH_DISPLAY);
 117 }
 118
 119
 120 void GuiMath::showDialog(string const & name) const
 121 {
 122         dispatchFunc(LFUN_DIALOG_SHOW, name);
 123 }
 124
 125
 126 MathSymbol const & GuiMath::mathSymbol(string tex_name) const
 127 {
 128         map<string, MathSymbol>::const_iterator it =
 129                 math_symbols_.find(tex_name);
 130
 131         static MathSymbol unknown_symbol;
 132         if (it == math_symbols_.end())
 133                 return unknown_symbol;
 134
 135         return it->second;
 136 }
 137
 138
 139 string const & GuiMath::texName(char_type math_symbol) const
 140 {
 141         map<char_type, string>::const_iterator it =
 142                 tex_names_.find(math_symbol);
 143
 144         static string empty_string;
 145         if (it == tex_names_.end())
 146                 return empty_string;
 147
 148         return it->second;
 149 }
 150
 151
 152 } // namespace frontend
 153 } // namespace lyx