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 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include <cstdlib>
  18 #include "tex-accent.h"
  19 #include "commandtags.h"
  20 #include "LString.h"
  21 #include "support/lstrings.h"
  22
  23 /* the names used by TeX and XWindows for deadkeys/accents are not the same
  24    so here follows a table to clearify the differences. Please correct this
  25    if I got it wrong
  26
  27    |------------------|------------------|------------------|--------------|
  28    |      TeX         |     XWindows     |   \bind/LFUN     | used by intl |
  29    |------------------|------------------|------------------|--------------|
  30    |    grave         |    grave         |LFUN_GRAVE        | grave
  31    |    acute         |    acute         |LFUN_ACUTE        | acute
  32    |    circumflex    |    circumflex    |LFUN_CIRCUMFLEX   | circumflex
  33    | umlaut/dieresis  |    diaeresis     |LFUN_UMLAUT       | umlaut
  34    |    tilde         |    tilde         |LFUN_TILDE        | tilde
  35    |    macron        |    maron         |LFUN_MACRON       | macron
  36    |    dot           |    abovedot      |LFUN_DOT          | dot
  37    |    cedilla       |    cedilla       |LFUN_CEDILLA      | cedilla
  38    |    underdot      |                  |LFUN_UNDERDOT     | underdot
  39    |    underbar      |                  |LFUN_UNDERBAR     | underbar
  40    |    hácek         |    caron         |LFUN_CARON        | caron
  41    |    breve         |    breve         |LFUN_BREVE        | breve
  42    |    tie           |                  |LFUN_TIE          | tie
  43    | Hungarian umlaut |    doubleacute   |LFUN_HUNG_UMLAUT  | hungarian umlaut
  44    |    circle        |    abovering     |LFUN_CIRCLE       | circle
  45    |                  |    ogonek        |                  |
  46    |                  |    iota          |                  |
  47    |                  |    voiced_sound  |                  |
  48    |                  | semivoiced_sound |                  |
  49    |                  |                  |LFUN_SPECIAL_CARON| special caron
  50    */
  51 // I am not sure how some of the XWindows names coresponds to the TeX ones.
  52
  53 tex_accent_struct lyx_accent_table[18] = {
  54         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)},
  55         {TEX_ACUTE,      "\\'",  /*" AEIOUYaeiouySZszRLCNrlcn",*/ "acute",   LFUN_ACUTE},
  56         {TEX_GRAVE,      "\\`",  /*" aeiouAEIOU",*/           "grave",    LFUN_GRAVE},
  57         {TEX_MACRON,     "\\=",  /*" EeAIOUaiou",*/           "macron",    LFUN_MACRON},
  58         {TEX_TILDE,      "\\~",  /*" ANOanoIiUu",*/           "tilde",    LFUN_TILDE},
  59         {TEX_UNDERBAR,   "\\b", /*" ",*/                     "underbar", LFUN_UNDERBAR},
  60         {TEX_CEDILLA,    "\\c", /*" CcSsTtRLGrlgNKnk",*/     "cedilla",    LFUN_CEDILLA},
  61         {TEX_UNDERDOT,   "\\d", /*" ",*/                     "underdot", LFUN_UNDERDOT},
  62         {TEX_CIRCUMFLEX, "\\^",  /*" AEIOUaeiouHJhjCGScgs",*/ "circumflex",  LFUN_CIRCUMFLEX},
  63         {TEX_CIRCLE,     "\\r", /*" AaUu",*/                 "circle",  LFUN_CIRCLE},
  64         {TEX_TIE,        "\\t", /*" ",*/                     "tie",    LFUN_TIE},
  65         {TEX_BREVE,      "\\u", /*" AaGgUu",*/               "breve",    LFUN_BREVE},
  66         {TEX_CARON,      "\\v", /*" LSTZlstzCEDNRcednr",*/   "caron",    LFUN_CARON},
  67 //  {TEX_SPECIAL_CARON, "\\q", "", "ooo",  LFUN_SPECIAL_CARON},
  68         {TEX_HUNGUML,    "\\H", /*" OUou",*/                 "hugarian_umlaut",    LFUN_HUNG_UMLAUT},
  69         {TEX_UMLAUT,     "\\\"", /*" AEIOUaeiouy",*/          "umlaut",    LFUN_UMLAUT},
  70         {TEX_DOT,        "\\.",  /*" ZzICGicgEe",*/           "dot",    LFUN_DOT},
  71         {TEX_OGONEK,     "\\k",  /*" AaEe",*/                 "ogonek",    LFUN_OGONEK},
  72         { static_cast<tex_accent>(0), "", /*"",*/ "", static_cast<kb_action>(0)}};
  73
  74
  75 tex_accent_struct get_accent(kb_action action)
  76 {
  77         int i = 0;
  78         while (i <= TEX_MAX_ACCENT) {
  79                 if (lyx_accent_table[i].action == action)
  80                         return lyx_accent_table[i];
  81                 ++i;
  82         }
  83         struct tex_accent_struct temp = { static_cast<tex_accent>(0), 0,
  84                                           0, static_cast<kb_action>(0)};
  85         return temp;
  86 }
  87
  88
  89 string const DoAccent(string const & s, tex_accent accent)
  90 {
  91         string res;
  92
  93         res += lyx_accent_table[accent].cmd;
  94         res += '{';
  95         if (s == "i" || s == "j") {
  96                 res += '\\';
  97         }
  98         res += s;
  99         res += '}';
 100         return res;
 101 }
 102
 103
 104 string const DoAccent(char c, tex_accent accent)
 105 {
 106         return DoAccent(tostr(c), accent);
 107 }