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 InsetQuotes::InsetQuotes(char c, BufferParams const & params)
  80         : language(params.quotes_language), times(params.quotes_times)
  81 {
  82         // Decide whether left or right
  83         switch(c) {
  84         case ' ': case '(': case '{': case '[': case '-': case ':':
  85         case LyXParagraph::META_HFILL:
  86         case LyXParagraph::META_NEWLINE:
  87                 side = InsetQuotes::LeftQ;   // left quote
  88                 break;
  89         default:
  90                 side = InsetQuotes::RightQ;  // right quote
  91         }
  92 }
  93
  94
  95 void InsetQuotes::ParseString(string const & s)
  96 {
  97         string str(s);
  98         if (str.length() != 3) {
  99                 lyxerr << "ERROR (InsetQuotes::InsetQuotes):"
 100                         " bad string length." << endl;
 101                 str = "eld";
 102         }
 103
 104         int i;
 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 const 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(BufferView *, LyXFont const & font) const
 162 {
 163         return lyxfont::maxAscent(font);
 164 }
 165
 166
 167 int InsetQuotes::descent(BufferView *, LyXFont const & font) const
 168 {
 169         return lyxfont::maxDescent(font);
 170 }
 171
 172
 173 int InsetQuotes::width(BufferView *, 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 += lyxfont::width('i', font);
 181                 else if (i == 0 || text[i] != text[i-1])
 182                         w += lyxfont::width(text[i], font);
 183                 else
 184                         w += lyxfont::width(',', font);
 185         }
 186
 187         return w;
 188 }
 189
 190
 191 LyXFont const InsetQuotes::ConvertFont(LyXFont const & f) const
 192 {
 193         LyXFont font(f);
 194         // quotes-insets cannot be latex of any kind
 195         font.setLatex(LyXFont::OFF);
 196         return font;
 197 }
 198
 199
 200 void InsetQuotes::draw(BufferView * bv, LyXFont const & font,
 201                        int baseline, float & x, bool) const
 202 {
 203         string text = DispString();
 204
 205         bv->painter().text(int(x), baseline, text, font);
 206         x += width(bv, font);
 207 }
 208
 209
 210 void InsetQuotes::Write(Buffer const *, ostream & os) const
 211 {
 212         string text;
 213         text += language_char[language];
 214         text += side_char[side];
 215         text += times_char[times];
 216         os << "Quotes " << text;
 217 }
 218
 219
 220 void InsetQuotes::Read(Buffer const *, LyXLex & lex)
 221 {
 222         lex.nextToken();
 223         ParseString(lex.GetString());
 224         lex.next();
 225         string tmp(lex.GetString());
 226         if (tmp != "\\end_inset")
 227                 lyxerr << "LyX Warning: Missing \\end_inset "
 228                         "in InsetQuotes::Read." << endl;
 229 }
 230
 231
 232 int InsetQuotes::Latex(Buffer const *, ostream & os,
 233                        bool /*fragile*/, bool) const
 234 {
 235         string doclang =
 236                 current_view->buffer()->GetLanguage();
 237         int quoteind = quote_index[side][language];
 238         string qstr;
 239
 240         if (lyxrc.fontenc == "T1") {
 241                 qstr = latex_quote_t1[times][quoteind];
 242         } else if (doclang == "default") {
 243                 qstr = latex_quote_ot1[times][quoteind];
 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         } else
 252                 qstr = latex_quote_babel[times][quoteind];
 253
 254         // Always guard against unfortunate ligatures (!` ?`)
 255         qstr.insert(0, "{}");
 256
 257         os << qstr;
 258         return 0;
 259 }
 260
 261
 262 int InsetQuotes::Ascii(Buffer const *, ostream & os, int) const
 263 {
 264         os << "\"";
 265         return 0;
 266 }
 267
 268
 269 int InsetQuotes::Linuxdoc(Buffer const *, ostream & os) const
 270 {
 271         os << "\"";
 272         return 0;
 273 }
 274
 275
 276 int InsetQuotes::DocBook(Buffer const *, 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 }