src/tex-accent.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #include <cstdlib>
  14 #include "tex-accent.h"
  15 #include "lfuns.h"
  16 #include "support/tostr.h"
  17
  18 /* the names used by TeX and XWindows for deadkeys/accents are not the same
  19    so here follows a table to clearify the differences. Please correct this
  20    if I got it wrong
  21
  22    |------------------|------------------|------------------|--------------|
  23    |      TeX         |     XWindows     |   \bind/LFUN     | used by intl |
  24    |------------------|------------------|------------------|--------------|
  25    |    grave         |    grave         |LFUN_GRAVE        | grave
  26    |    acute         |    acute         |LFUN_ACUTE        | acute
  27    |    circumflex    |    circumflex    |LFUN_CIRCUMFLEX   | circumflex
  28    | umlaut/dieresis  |    diaeresis     |LFUN_UMLAUT       | umlaut
  29    |    tilde         |    tilde         |LFUN_TILDE        | tilde
  30    |    macron        |    maron         |LFUN_MACRON       | macron
  31    |    dot           |    abovedot      |LFUN_DOT          | dot
  32    |    cedilla       |    cedilla       |LFUN_CEDILLA      | cedilla
  33    |    underdot      |                  |LFUN_UNDERDOT     | underdot
  34    |    underbar      |                  |LFUN_UNDERBAR     | underbar
  35    |    hácek         |    caron         |LFUN_CARON        | caron
  36    |    breve         |    breve         |LFUN_BREVE        | breve
  37    |    tie           |                  |LFUN_TIE          | tie
  38    | Hungarian umlaut |    doubleacute   |LFUN_HUNG_UMLAUT  | hungarian umlaut
  39    |    circle        |    abovering     |LFUN_CIRCLE       | circle
  40    |                  |    ogonek        |                  |
  41    |                  |    iota          |                  |
  42    |                  |    voiced_sound  |                  |
  43    |                  | semivoiced_sound |                  |
  44    |                  |                  |LFUN_SPECIAL_CARON| special caron
  45    */
  46 // I am not sure how some of the XWindows names coresponds to the TeX ones.
  47
  48 tex_accent_struct lyx_accent_table[18] = {
  49         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)},
  50         {TEX_ACUTE,      "\\'",  /*" AEIOUYaeiouySZszRLCNrlcn",*/ "acute",   LFUN_ACUTE},
  51         {TEX_GRAVE,      "\\`",  /*" aeiouAEIOU",*/           "grave",    LFUN_GRAVE},
  52         {TEX_MACRON,     "\\=",  /*" EeAIOUaiou",*/           "macron",    LFUN_MACRON},
  53         {TEX_TILDE,      "\\~",  /*" ANOanoIiUu",*/           "tilde",    LFUN_TILDE},
  54         {TEX_UNDERBAR,   "\\b", /*" ",*/                     "underbar", LFUN_UNDERBAR},
  55         {TEX_CEDILLA,    "\\c", /*" CcSsTtRLGrlgNKnk",*/     "cedilla",    LFUN_CEDILLA},
  56         {TEX_UNDERDOT,   "\\d", /*" ",*/                     "underdot", LFUN_UNDERDOT},
  57         {TEX_CIRCUMFLEX, "\\^",  /*" AEIOUaeiouHJhjCGScgs",*/ "circumflex",  LFUN_CIRCUMFLEX},
  58         {TEX_CIRCLE,     "\\r", /*" AaUu",*/                 "circle",  LFUN_CIRCLE},
  59         {TEX_TIE,        "\\t", /*" ",*/                     "tie",    LFUN_TIE},
  60         {TEX_BREVE,      "\\u", /*" AaGgUu",*/               "breve",    LFUN_BREVE},
  61         {TEX_CARON,      "\\v", /*" LSTZlstzCEDNRcednr",*/   "caron",    LFUN_CARON},
  62 //  {TEX_SPECIAL_CARON, "\\q", "", "ooo",  LFUN_SPECIAL_CARON},
  63         {TEX_HUNGUML,    "\\H", /*" OUou",*/                 "hugarian_umlaut",    LFUN_HUNG_UMLAUT},
  64         {TEX_UMLAUT,     "\\\"", /*" AEIOUaeiouy",*/          "umlaut",    LFUN_UMLAUT},
  65         {TEX_DOT,        "\\.",  /*" ZzICGicgEe",*/           "dot",    LFUN_DOT},
  66         {TEX_OGONEK,     "\\k",  /*" AaEe",*/                 "ogonek",    LFUN_OGONEK},
  67         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)}};
  68
  69
  70 tex_accent_struct get_accent(kb_action action)
  71 {
  72         int i = 0;
  73         while (i <= TEX_MAX_ACCENT) {
  74                 if (lyx_accent_table[i].action == action)
  75                         return lyx_accent_table[i];
  76                 ++i;
  77         }
  78         struct tex_accent_struct temp = { static_cast<tex_accent>(0), 0,
  79                                           0, static_cast<kb_action>(0)};
  80         return temp;
  81 }
  82
  83
  84 string const DoAccent(string const & s, tex_accent accent)
  85 {
  86         string res;
  87
  88         res += lyx_accent_table[accent].cmd;
  89         res += '{';
  90         if (s == "i" || s == "j") {
  91                 res += '\\';
  92         }
  93         res += s;
  94         res += '}';
  95         return res;
  96 }
  97
  98
  99 string const DoAccent(char c, tex_accent accent)
 100 {
 101         return DoAccent(tostr(c), accent);
 102 }