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 1995-2000 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 #include "font.h"
  27
  28 using std::ostream;
  29 using std::endl;
  30
  31 // Quotes. Used for the various quotes. German, English, French,
  32 // Danish, Polish, all either double or single.
  33
  34 extern BufferView * current_view;
  35
  36 // codes used to read/write quotes to LyX files
  37 static char const * const language_char = "esgpfa";
  38 static char const * const side_char = "lr" ;
  39 static char const * const times_char = "sd";
  40
  41 // List of known quote chars
  42 static char const * const quote_char = ",'`<>";
  43
  44 // Index of chars used for the quote. Index is [side, language]
  45 int quote_index[2][6] = {
  46         { 2, 1, 0, 0, 3, 4 },    // "'',,<>"
  47         { 1, 1, 2, 1, 4, 3 } };  // "`'`'><"
  48
  49 // Corresponding LaTeX code, for double and single quotes.
  50 static char const * const latex_quote_t1[2][5] =
  51 { { "\\quotesinglbase{}",  "'", "`",
  52     "\\guilsinglleft{}", "\\guilsinglright{}" },
  53   { ",,", "''", "``", "<<", ">>" } };
  54
  55 static char const * const latex_quote_ot1[2][5] =
  56 { { "\\quotesinglbase{}",  "'", "`",
  57     "\\guilsinglleft{}", "\\guilsinglright{}" },
  58   { "\\quotedblbase{}", "''", "``",
  59     "\\guillemotleft{}", "\\guillemotright{}" } };
  60
  61 static char const * const latex_quote_babel[2][5] =
  62 { { "\\glq{}",  "'", "`", "\\flq{}", "\\frq{}" },
  63   { "\\glqq{}", "''", "``", "\\flqq{}", "\\frqq{}" } };
  64
  65
  66 InsetQuotes::InsetQuotes(string const & str)
  67 {
  68         ParseString(str);
  69 }
  70
  71
  72 InsetQuotes::InsetQuotes(InsetQuotes::quote_language l,
  73                          InsetQuotes::quote_side s,
  74                          InsetQuotes::quote_times t)
  75         : language(l), side(s), times(t)
  76 {
  77 }
  78
  79
  80 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  81         : language(params.quotes_language), times(params.quotes_times)
  82 {
  83         // Decide whether left or right
  84         switch(c) {
  85         case ' ': case '(': case '{': case '[': case '-': case ':':
  86         case LyXParagraph::META_HFILL:
  87 #warning think about this
  88 #if 0
  89         case LyXParagraph::META_PROTECTED_SEPARATOR:
  90 #endif
  91         case LyXParagraph::META_NEWLINE:
  92                 side = InsetQuotes::LeftQ;   // left quote
  93                 break;
  94         default:
  95                 side = InsetQuotes::RightQ;  // right quote
  96         }
  97 }
  98
  99
 100 void InsetQuotes::ParseString(string const & s)
 101 {
 102         string str(s);
 103         if (str.length() != 3) {
 104                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 105                         " bad string length." << endl;
 106                 str = "eld";
 107         }
 108
 109         int i;
 110
 111         for (i = 0; i < 6; ++i) {
 112                 if (str[0] == language_char[i]) {
 113                         language = InsetQuotes::quote_language(i);
 114                         break;
 115                 }
 116         }
 117         if (i >= 6) {
 118                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 119                         " bad language specification." << endl;
 120                 language = InsetQuotes::EnglishQ;
 121         }
 122
 123         for (i = 0; i < 2; ++i) {
 124                 if (str[1] == side_char[i]) {
 125                         side = InsetQuotes::quote_side(i);
 126                         break;
 127                 }
 128         }
 129         if (i >= 2) {
 130                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 131                         " bad side specification." << endl;
 132                 side = InsetQuotes::LeftQ;
 133         }
 134
 135         for (i = 0; i < 2; ++i) {
 136                 if (str[2] == times_char[i]) {
 137                         times = InsetQuotes::quote_times(i);
 138                         break;
 139                 }
 140         }
 141         if (i >= 2) {
 142                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 143                         " bad times specification." << endl;
 144                 times = InsetQuotes::DoubleQ;
 145         }
 146 }
 147
 148
 149 string InsetQuotes::DispString() const
 150 {
 151         string disp;
 152         disp += quote_char[quote_index[side][language]];
 153         if (times == InsetQuotes::DoubleQ)
 154                 disp += disp;
 155
 156         if (lyxrc.font_norm == "iso8859-1")
 157                 if (disp == "<<")
 158                         disp = '«';
 159                 else if (disp == ">>")
 160                         disp = '»';
 161
 162         return disp;
 163 }
 164
 165
 166 int InsetQuotes::ascent(Painter &, LyXFont const & font) const
 167 {
 168         return lyxfont::maxAscent(font);
 169 }
 170
 171
 172 int InsetQuotes::descent(Painter &, LyXFont const & font) const
 173 {
 174         return lyxfont::maxDescent(font);
 175 }
 176
 177
 178 int InsetQuotes::width(Painter &, LyXFont const & font) const
 179 {
 180         string text = DispString();
 181         int w = 0;
 182
 183         for (string::size_type i = 0; i < text.length(); ++i) {
 184                 if (text[i] == ' ')
 185                         w += lyxfont::width('i', font);
 186                 else if (i == 0 || text[i] != text[i-1])
 187                         w += lyxfont::width(text[i], font);
 188                 else
 189                         w += lyxfont::width(',', font);
 190         }
 191
 192         return w;
 193 }
 194
 195
 196 LyXFont InsetQuotes::ConvertFont(LyXFont font)
 197 {
 198         /* quotes-insets cannot be latex of any kind */
 199         font.setLatex(LyXFont::OFF);
 200         return font;
 201 }
 202
 203
 204 void InsetQuotes::draw(Painter & pain, LyXFont const & font,
 205                        int baseline, float & x) const
 206 {
 207         string text = DispString();
 208
 209         pain.text(int(x), baseline, text, font);
 210         x += width(pain, font);
 211 }
 212
 213
 214 void InsetQuotes::Write(ostream & os) const
 215 {
 216         string text;
 217         text += language_char[language];
 218         text += side_char[side];
 219         text += times_char[times];
 220         os << "Quotes " << text;
 221 }
 222
 223
 224 void InsetQuotes::Read(LyXLex & lex)
 225 {
 226         lex.nextToken();
 227         ParseString(lex.GetString());
 228 }
 229
 230
 231 int InsetQuotes::Latex(ostream & os, signed char /*fragile*/, bool) const
 232 {
 233         string doclang =
 234                 current_view->buffer()->GetLanguage();
 235         int quoteind = quote_index[side][language];
 236         string qstr;
 237
 238         if (lyxrc.fontenc == "T1") {
 239                 qstr = latex_quote_t1[times][quoteind];
 240         }
 241         else if (doclang == "default") {
 242                 qstr = latex_quote_ot1[times][quoteind];
 243         }
 244         else if (language == InsetQuotes::FrenchQ
 245                  && times == InsetQuotes::DoubleQ
 246                  && doclang == "frenchb") {
 247                 if (side == InsetQuotes::LeftQ)
 248                         qstr = "\\og{}";
 249                 else
 250                         qstr = " \\fg{}";
 251         }
 252         else
 253                 qstr = latex_quote_babel[times][quoteind];
 254
 255         // protect against !` and ?` ligatures.
 256         // Is it very bad of us to always protect against those ligatures?
 257 #if 0
 258         if ((suffixIs(file, '?') || suffixIs(file, '!'))
 259             && qstr[0] == '`')
 260                 qstr = "{}" + qstr;
 261 #else
 262         // Always guard against unfortunate ligatures (!` ?`)
 263         qstr.insert(0, "{}");
 264 #endif
 265
 266         os << qstr;
 267         return 0;
 268 }
 269
 270
 271 int InsetQuotes::Linuxdoc(ostream & os) const
 272 {
 273         os << "\"";
 274         return 0;
 275 }
 276
 277
 278 int InsetQuotes::DocBook(ostream & os) const
 279 {
 280         if(times == InsetQuotes::DoubleQ) {
 281                 if (side == InsetQuotes::LeftQ)
 282                         os << "&ldquo;";
 283                 else
 284                         os << "&rdquo;";
 285         } else {
 286                 if (side == InsetQuotes::LeftQ)
 287                         os << "&lsquo;";
 288                 else
 289                         os << "&rsquo;";
 290         }
 291         return 0;
 292 }
 293
 294
 295 void InsetQuotes::Validate(LaTeXFeatures & features) const
 296 {
 297         char type = quote_char[quote_index[side][language]];
 298
 299         if (current_view->buffer()->GetLanguage() == "default"
 300             && lyxrc.fontenc != "T1") {
 301                 if (times == InsetQuotes::SingleQ)
 302                         switch (type) {
 303                         case ',': features.quotesinglbase = true; break;
 304                         case '<': features.guilsinglleft = true; break;
 305                         case '>': features.guilsinglright = true; break;
 306                         default: break;
 307                         }
 308                 else
 309                         switch (type) {
 310                         case ',': features.quotedblbase = true; break;
 311                         case '<': features.guillemotleft = true; break;
 312                         case '>': features.guillemotright = true; break;
 313                         default: break;
 314                         }
 315         }
 316 }
 317
 318
 319 Inset * InsetQuotes::Clone() const
 320 {
 321   return new InsetQuotes(language, side, times);
 322 }
 323
 324
 325 Inset::Code InsetQuotes::LyxCode() const
 326 {
 327   return Inset::QUOTE_CODE;
 328 }