src/insets/insetquotes.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1995 Matthias Ettrich
   7  *          Copyright 1995-1999 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "insetquotes.h"
  18 #include "support/lyxlib.h"
  19 #include "debug.h"
  20 #include "lyxfont.h"
  21 #include "lyxrc.h"
  22 #include "buffer.h"
  23 #include "LaTeXFeatures.h"
  24 #include "support/lstrings.h"
  25 #include "Painter.h"
  26
  27 // Quotes. Used for the various quotes. German, English, French,
  28 // Danish, Polish, all either double or single.
  29
  30 extern BufferView * current_view;
  31
  32 // codes used to read/write quotes to LyX files
  33 static char const * const language_char = "esgpfa";
  34 static char const * const side_char = "lr" ;
  35 static char const * const times_char = "sd";
  36
  37 // List of known quote chars
  38 static char const * const quote_char = ",'`<>";
  39
  40 // Index of chars used for the quote. Index is [side, language]
  41 int quote_index[2][6] = {
  42         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  43         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  44
  45 // Corresponding LaTeX code, for double and single quotes.
  46 static char const * const latex_quote_t1[2][5] =
  47 { { "\\quotesinglbase{}",  "'", "`",
  48     "\\guilsinglleft{}", "\\guilsinglright{}" },
  49   { ",,", "''", "``", "<<", ">>" } };
  50
  51 static char const * const latex_quote_ot1[2][5] =
  52 { { "\\quotesinglbase{}",  "'", "`",
  53     "\\guilsinglleft{}", "\\guilsinglright{}" },
  54   { "\\quotedblbase{}", "''", "``",
  55     "\\guillemotleft{}", "\\guillemotright{}" } };
  56
  57 static char const * const latex_quote_babel[2][5] =
  58 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  59   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  60
  61
  62 InsetQuotes::InsetQuotes(string const & str)
  63 {
  64         ParseString(str);
  65 }
  66
  67
  68 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  69                          InsetQuotes::quote_side s,
  70                          InsetQuotes::quote_times t)
  71         : language(l), side(s), times(t)
  72 {
  73 }
  74
  75
  76 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  77         : language(params.quotes_language), times(params.quotes_times)
  78 {
  79         // Decide whether left or right
  80         switch(c) {
  81         case ' ': case '(': case '{': case '[': case '-': case ':':
  82         case LyXParagraph::META_HFILL:
  83 #warning think about this
  84 #if 0
  85         case LyXParagraph::META_PROTECTED_SEPARATOR:
  86 #endif
  87         case LyXParagraph::META_NEWLINE:
  88                 side = InsetQuotes::LeftQ;   // left quote
  89                 break;
  90         default:
  91                 side = InsetQuotes::RightQ;  // right quote
  92         }
  93 }
  94
  95
  96 void InsetQuotes::ParseString(string const & s)
  97 {
  98         int i;
  99         string str(s);
 100         if (str.length() != 3) {
 101                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 102                         " bad string length." << endl;
 103                 str = "eld";
 104         }
 105
 106         for (i = 0; i < 6; ++i) {
 107                 if (str[0] == language_char[i]) {
 108                         language = InsetQuotes::quote_language(i);
 109                         break;
 110                 }
 111         }
 112         if (i >= 6) {
 113                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 114                         " bad language specification." << endl;
 115                 language = InsetQuotes::EnglishQ;
 116         }
 117
 118         for (i = 0; i < 2; ++i) {
 119                 if (str[1] == side_char[i]) {
 120                         side = InsetQuotes::quote_side(i);
 121                         break;
 122                 }
 123         }
 124         if (i >= 2) {
 125                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 126                         " bad side specification." << endl;
 127                 side = InsetQuotes::LeftQ;
 128         }
 129
 130         for (i = 0; i < 2; ++i) {
 131                 if (str[2] == times_char[i]) {
 132                         times = InsetQuotes::quote_times(i);
 133                         break;
 134                 }
 135         }
 136         if (i >= 2) {
 137                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 138                         " bad times specification." << endl;
 139                 times = InsetQuotes::DoubleQ;
 140         }
 141 }
 142
 143
 144 string InsetQuotes::DispString() const
 145 {
 146         string disp;
 147         disp += quote_char[quote_index[side][language]];
 148         if (times == InsetQuotes::DoubleQ)
 149                 disp += disp;
 150
 151         if (lyxrc.font_norm == "iso8859-1")
 152                 if (disp == "<<")
 153                         disp = '«';
 154                 else if (disp == ">>")
 155                         disp = '»';
 156
 157         return disp;
 158 }
 159
 160
 161 int InsetQuotes::ascent(Painter &, LyXFont const & font) const
 162 {
 163         return font.maxAscent();
 164 }
 165
 166
 167 int InsetQuotes::descent(Painter &, LyXFont const & font) const
 168 {
 169         return font.maxDescent();
 170 }
 171
 172
 173 int InsetQuotes::width(Painter &, LyXFont const & font) const
 174 {
 175         string text = DispString();
 176         int w = 0;
 177
 178         for (string::size_type i = 0; i < text.length(); ++i) {
 179                 if (text[i] == ' ')
 180                         w += font.width('i');
 181                 else if (i == 0 || text[i] != text[i-1])
 182                         w += font.width(text[i]);
 183                 else
 184                         w += font.width(',');
 185         }
 186
 187         return w;
 188 }
 189
 190
 191 LyXFont InsetQuotes::ConvertFont(LyXFont font)
 192 {
 193         /* quotes-insets cannot be latex of any kind */
 194         font.setLatex(LyXFont::OFF);
 195         return font;
 196 }
 197
 198
 199 void InsetQuotes::draw(Painter & pain, LyXFont const & font,
 200                        int baseline, float & x) const
 201 {
 202         string text = DispString();
 203
 204         pain.text(int(x), baseline, text, font);
 205         x += width(pain, font);
 206 }
 207
 208
 209 void InsetQuotes::Write(ostream & os) const
 210 {
 211         string text;
 212         text += language_char[language];
 213         text += side_char[side];
 214         text += times_char[times];
 215         os << "Quotes " << text;
 216 }
 217
 218
 219 void InsetQuotes::Read(LyXLex & lex)
 220 {
 221         lex.nextToken();
 222         ParseString(lex.GetString());
 223 }
 224
 225
 226 int InsetQuotes::Latex(ostream & os, signed char /*fragile*/, bool) const
 227 {
 228         string doclang =
 229                 current_view->buffer()->GetLanguage();
 230         int quoteind = quote_index[side][language];
 231         string qstr;
 232
 233         if (lyxrc.fontenc == "T1") {
 234                 qstr = latex_quote_t1[times][quoteind];
 235         }
 236         else if (doclang == "default") {
 237                 qstr = latex_quote_ot1[times][quoteind];
 238         }
 239         else if (language == InsetQuotes::FrenchQ
 240                  && times == InsetQuotes::DoubleQ
 241                  && doclang == "frenchb") {
 242                 if (side == InsetQuotes::LeftQ)
 243                         qstr = "\\og{}";
 244                 else
 245                         qstr = " \\fg{}";
 246         }
 247         else
 248                 qstr = latex_quote_babel[times][quoteind];
 249
 250         // protect against !` and ?` ligatures.
 251         // Is it very bad of us to always protect against those ligatures?
 252 #if 0
 253         if ((suffixIs(file, '?') || suffixIs(file, '!'))
 254             && qstr[0] == '`')
 255                 qstr = "{}" + qstr;
 256 #else
 257         // Always guard against unfortunate ligatures (!` ?`)
 258         qstr.insert(0, "{}");
 259 #endif
 260
 261         os << qstr;
 262         return 0;
 263 }
 264
 265
 266 int InsetQuotes::Linuxdoc(ostream & os) const
 267 {
 268         os << "\"";
 269         return 0;
 270 }
 271
 272
 273 int InsetQuotes::DocBook(ostream & os) const
 274 {
 275         if(times == InsetQuotes::DoubleQ) {
 276                 if (side == InsetQuotes::LeftQ)
 277                         os << "&ldquo;";
 278                 else
 279                         os << "&rdquo;";
 280         } else {
 281                 if (side == InsetQuotes::LeftQ)
 282                         os << "&lsquo;";
 283                 else
 284                         os << "&rsquo;";
 285         }
 286         return 0;
 287 }
 288
 289
 290 void InsetQuotes::Validate(LaTeXFeatures & features) const
 291 {
 292         char type = quote_char[quote_index[side][language]];
 293
 294         if (current_view->buffer()->GetLanguage() == "default"
 295             && lyxrc.fontenc != "T1") {
 296                 if (times == InsetQuotes::SingleQ)
 297                         switch (type) {
 298                         case ',': features.quotesinglbase = true; break;
 299                         case '<': features.guilsinglleft = true; break;
 300                         case '>': features.guilsinglright = true; break;
 301                         default: break;
 302                         }
 303                 else
 304                         switch (type) {
 305                         case ',': features.quotedblbase = true; break;
 306                         case '<': features.guillemotleft = true; break;
 307                         case '>': features.guillemotright = true; break;
 308                         default: break;
 309                         }
 310         }
 311 }
 312
 313
 314 Inset * InsetQuotes::Clone() const
 315 {
 316   return new InsetQuotes(language, side, times);
 317 }
 318
 319
 320 Inset::Code InsetQuotes::LyxCode() const
 321 {
 322   return Inset::QUOTE_CODE;
 323 }