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