src/tex-accent.C

   1 /**
   2  * \file tex-accent.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author Matthias Ettrich
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "tex-accent.h"
  15 #include "support/convert.h"
  16
  17
  18 namespace lyx {
  19
  20 /* the names used by TeX and XWindows for deadkeys/accents are not the same
  21    so here follows a table to clearify the differences. Please correct this
  22    if I got it wrong
  23
  24    |------------------|------------------|------------------|--------------|
  25    |      TeX         |     XWindows     |   \bind/LFUN     | used by intl |
  26    |------------------|------------------|------------------|--------------|
  27    |    grave         |    grave         |LFUN_ACCENT_GRAVE        | grave
  28    |    acute         |    acute         |LFUN_ACCENT_ACUTE        | acute
  29    |    circumflex    |    circumflex    |LFUN_ACCENT_CIRCUMFLEX   | circumflex
  30    | umlaut/dieresis  |    diaeresis     |LFUN_ACCENT_UMLAUT       | umlaut
  31    |    tilde         |    tilde         |LFUN_ACCENT_TILDE        | tilde
  32    |    macron        |    maron         |LFUN_ACCENT_MACRON       | macron
  33    |    dot           |    abovedot      |LFUN_ACCENT_DOT          | dot
  34    |    cedilla       |    cedilla       |LFUN_ACCENT_CEDILLA      | cedilla
  35    |    underdot      |                  |LFUN_ACCENT_UNDERDOT     | underdot
  36    |    underbar      |                  |LFUN_ACCENT_UNDERBAR     | underbar
  37    |    hácek         |    caron         |LFUN_ACCENT_CARON        | caron
  38    |    breve         |    breve         |LFUN_ACCENT_BREVE        | breve
  39    |    tie           |                  |LFUN_ACCENT_TIE          | tie
  40    | Hungarian umlaut |    doubleacute   |LFUN_ACCENT_HUNGARIAN_UMLAUT  | hungarian umlaut
  41    |    circle        |    abovering     |LFUN_ACCENT_CIRCLE       | circle
  42    |                  |    ogonek        |                  |
  43    |                  |    iota          |                  |
  44    |                  |    voiced_sound  |                  |
  45    |                  | semivoiced_sound |                  |
  46    |                  |                  |LFUN_ACCENT_SPECIAL_CARON| special caron
  47    */
  48 // I am not sure how some of the XWindows names coresponds to the TeX ones.
  49
  50 tex_accent_struct lyx_accent_table[18] = {
  51         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)},
  52         {TEX_ACUTE,      "\\'",  /*" AEIOUYaeiouySZszRLCNrlcn",*/ "acute",   LFUN_ACCENT_ACUTE},
  53         {TEX_GRAVE,      "\\`",  /*" aeiouAEIOU",*/           "grave",    LFUN_ACCENT_GRAVE},
  54         {TEX_MACRON,     "\\=",  /*" EeAIOUaiou",*/           "macron",    LFUN_ACCENT_MACRON},
  55         {TEX_TILDE,      "\\~",  /*" ANOanoIiUu",*/           "tilde",    LFUN_ACCENT_TILDE},
  56         {TEX_UNDERBAR,   "\\b", /*" ",*/                     "underbar", LFUN_ACCENT_UNDERBAR},
  57         {TEX_CEDILLA,    "\\c", /*" CcSsTtRLGrlgNKnk",*/     "cedilla",    LFUN_ACCENT_CEDILLA},
  58         {TEX_UNDERDOT,   "\\d", /*" ",*/                     "underdot", LFUN_ACCENT_UNDERDOT},
  59         {TEX_CIRCUMFLEX, "\\^",  /*" AEIOUaeiouHJhjCGScgs",*/ "circumflex",  LFUN_ACCENT_CIRCUMFLEX},
  60         {TEX_CIRCLE,     "\\r", /*" AaUu",*/                 "circle",  LFUN_ACCENT_CIRCLE},
  61         {TEX_TIE,        "\\t", /*" ",*/                     "tie",    LFUN_ACCENT_TIE},
  62         {TEX_BREVE,      "\\u", /*" AaGgUu",*/               "breve",    LFUN_ACCENT_BREVE},
  63         {TEX_CARON,      "\\v", /*" LSTZlstzCEDNRcednr",*/   "caron",    LFUN_ACCENT_CARON},
  64 //  {TEX_SPECIAL_CARON, "\\q", "", "ooo",  LFUN_ACCENT_SPECIAL_CARON},
  65         {TEX_HUNGUML,    "\\H", /*" OUou",*/                 "hugarian_umlaut",    LFUN_ACCENT_HUNGARIAN_UMLAUT},
  66         {TEX_UMLAUT,     "\\\"", /*" AEIOUaeiouy",*/          "umlaut",    LFUN_ACCENT_UMLAUT},
  67         {TEX_DOT,        "\\.",  /*" ZzICGicgEe",*/           "dot",    LFUN_ACCENT_DOT},
  68         {TEX_OGONEK,     "\\k",  /*" AaEe",*/                 "ogonek",    LFUN_ACCENT_OGONEK},
  69         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)}};
  70
  71
  72 tex_accent_struct get_accent(kb_action action)
  73 {
  74         int i = 0;
  75         while (i <= TEX_MAX_ACCENT) {
  76                 if (lyx_accent_table[i].action == action)
  77                         return lyx_accent_table[i];
  78                 ++i;
  79         }
  80         struct tex_accent_struct temp = { static_cast<tex_accent>(0), 0,
  81                                           0, static_cast<kb_action>(0)};
  82         return temp;
  83 }
  84
  85
  86 docstring const DoAccent(docstring const & s, tex_accent accent)
  87 {
  88         docstring res;
  89
  90         res += lyx_accent_table[accent].cmd;
  91         res += '{';
  92         if (s == "i" || s == "j") {
  93                 res += '\\';
  94         }
  95         res += s;
  96         res += '}';
  97         return res;
  98 }
  99
 100
 101 docstring const DoAccent(char_type c, tex_accent accent)
 102 {
 103         return DoAccent(docstring(1, c), accent);
 104 }
 105
 106
 107 } // namespace lyx