src/insets/insetlatexaccent.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 "insetlatexaccent.h"
  18 #include "debug.h"
  19 #include "lyxrc.h"
  20 #include "lyxdraw.h"
  21 #include "support/lstrings.h"
  22
  23 extern LyXRC * lyxrc;
  24
  25 /* LatexAccent. Proper handling of accented characters */
  26 /* This part is done by Ivan Schreter, schreter@ccsun.tuke.sk */
  27 /* Later modified by Lars G. Bjønnes, larsbj@lyx.org */
  28
  29 InsetLatexAccent::InsetLatexAccent()
  30 {
  31         candisp = false;
  32 }
  33
  34
  35 InsetLatexAccent::InsetLatexAccent(string const & string)
  36         : contents(string)
  37 {
  38         checkContents();
  39 }
  40
  41
  42 void InsetLatexAccent::checkContents()
  43         // check, if we know the modifier and can display it ok on screen
  44 {
  45         candisp = false;
  46
  47         if (contents.empty() || contents.length() < 2) return;
  48
  49         // REMOVE IN 0.13
  50         // Dirty Hack for backward compability. remove in 0.13 (Lgb)
  51         contents = frontStrip(strip(contents));
  52         if (!contains(contents, "{") && !contains(contents, "}")) {
  53                 if (contents.length() == 2) {
  54                         string tmp;
  55                         tmp += contents[0];
  56                         tmp += contents[1];
  57                         tmp += "{}";
  58                         contents = tmp;
  59                 } else if (contents.length() == 3) {
  60                         string tmp;
  61                         tmp += contents[0];
  62                         tmp += contents[1];
  63                         tmp += '{';
  64                         tmp += contents[2];
  65                         tmp += '}';
  66                         contents = tmp;
  67                 } else if (contents.length() == 4 && contents[2] == ' ') {
  68                         string tmp;
  69                         tmp += contents[0];
  70                         tmp += contents[1];
  71                         tmp += '{';
  72                         tmp += contents[3];
  73                         tmp += '}';
  74                         contents = tmp;
  75                 } else if  (contents.length() == 4 && contents[2] == '\\'
  76                             && (contents[3] == 'i' || contents[3] == 'j')) {
  77                         string tmp;
  78                         tmp += contents[0];
  79                         tmp += contents[1];
  80                         tmp += '{';
  81                         tmp += contents[2];
  82                         tmp += contents[3];
  83                         tmp += '}';
  84                         contents = tmp;
  85                 }
  86         }
  87         if (contents[0] != '\\') return; // demand that first char is a '\\'
  88
  89         lyxerr[Debug::KEY] << "Decode: " << contents << endl;
  90
  91         remdot = false; plusasc = false; plusdesc = false;
  92
  93         switch (contents[1]) { // second char should be one of these
  94         case '\'':  // acute
  95                 modtype = ACUTE;    // acute
  96                 plusasc = true;    // at the top of character
  97                 break;
  98         case '`':   // grave
  99                 modtype = GRAVE;    // grave
 100                 plusasc = true;    // at the top
 101                 break;
 102         case '=':   // macron
 103                 modtype = MACRON;    // macron
 104                 plusasc = true;    // at the top
 105                 break;
 106         case '~':   // tilde
 107                 modtype = TILDE;    // tilde
 108                 plusasc = true;    // at the top
 109                 break;
 110         case 'b':   // underbar
 111                 modtype = UNDERBAR;    // underbar
 112                 plusdesc = true;   // at the bottom
 113                 break;
 114         case 'c':   // cedilla
 115                 modtype = CEDILLA;    // cedilla
 116                 plusdesc = true;   // at the bottom
 117                 break;
 118         case 'd':   // underdot
 119                 modtype = UNDERDOT;    // underdot
 120                 plusdesc = true;   // at the bottom
 121                 break;
 122         case 'r':   // circle
 123                 modtype = CIRCLE;    // circle
 124                 plusasc = true;    // at the top
 125                 break;
 126         case 't':   // tie
 127                 modtype = TIE;    // tie
 128                 plusasc = true;    // at the top
 129                 break;
 130         case 'u':   // breve
 131                 modtype = BREVE;    // breve
 132                 plusasc = true;    // at the top
 133                 break;
 134         case 'v':   // caron
 135                 modtype = CARON;   // caron
 136                 plusasc = true;    // at the top
 137                 break;
 138         case 'q':   // special caron
 139                 modtype = SPECIAL_CARON;   // special caron
 140                 plusasc = true;    // at the top
 141                 break;
 142         case 'H':   // hungarian umlaut
 143                 modtype = HUNGARIAN_UMLAUT;   // hungarian umlaut
 144                 plusasc = true;    // at the top
 145                 break;
 146         case '"':   // umlaut
 147                 modtype = UMLAUT;   // umlaut
 148                 plusasc = true;    // at the top
 149                 break;
 150         case '.':   // dot
 151                 modtype = DOT;   // dot
 152                 plusasc = true;    // at the top
 153                 break;
 154         case '^':   // circumflex
 155                 modtype = CIRCUMFLEX;   // circumflex
 156                 plusasc = true;    // at the top
 157                 break;
 158         case 'k':   // ogonek
 159                 modtype = OGONEK;  // ogonek
 160                 plusdesc = true;
 161                 break;
 162         case 'i': // dot-less-i
 163                 modtype = DOT_LESS_I;  // dot-less-i
 164                 plusasc = true; // at the top (not really needed)
 165                 remdot = true;
 166                 break;
 167         case 'j': // dot-less-j
 168                 modtype = DOT_LESS_J; // dot-less-j
 169                 plusasc = true; // at the top (not really needed)
 170                 remdot = true;
 171                 break;
 172         case 'l': // lslash
 173                 modtype = lSLASH;
 174                 plusasc = true; // at the top (not really needed)
 175                 break;
 176         case 'L': // lslash
 177                 modtype = LSLASH;
 178                 plusasc = true; // at the top (not really needed)
 179                 break;
 180         default:
 181                 printf ("Default\n");
 182                 // unknow accent (or something else)
 183                 return;
 184         }
 185
 186         // we demand that third char is a '{' (Lgb)
 187         if (contents[2] != '{') return;
 188
 189         // special clause for \i{}, \j{} \l{} and \L{}
 190         if ((modtype == DOT_LESS_I || modtype == DOT_LESS_J
 191              || modtype == lSLASH || modtype == LSLASH)
 192             && contents[3] == '}' ) {
 193                 switch (modtype) {
 194                 case DOT_LESS_I: ic = 'i'; break;
 195                 case DOT_LESS_J: ic = 'j'; break;
 196                 case lSLASH:     ic = 'l'; break;
 197                 case LSLASH:     ic = 'L'; break;
 198                 default:
 199                         // if this happens something is really wrong
 200                         lyxerr << "InsetLaTexAccent: weird error." << endl;
 201                         break;
 202                 }
 203                 //ic = (modtype == DOT_LESS_J ? 'j' : 'i');
 204                 lyxerr[Debug::KEY] << "Contents: [" << contents << "]"
 205                                    << ", ic: " << ic
 206                                    << ", top: " << plusasc
 207                                    << ", bot: " << plusdesc
 208                                    << ", dot: " << remdot
 209                                    << ", mod: " << modtype << endl;
 210                 // Special case for space
 211         } else if (contents[3] == '}') {
 212                 ic = ' ';
 213         } else {
 214                 int i = 3;
 215
 216                 // now get the char
 217                 ic = contents[3]; // i will always be 3 here
 218
 219                 // ic should now be a alfa-char or '\\'
 220                 if (ic == '\\') {
 221                         ic = contents[++i]; // will only allow \<foo>{\i} and \<foo>{\j}
 222                         if (ic == 'i' || ic == 'j')
 223                                 remdot = true;
 224                         else
 225                                 return;
 226                 } else if ( (ic == 'i'|| ic == 'j') && contents[4] == '}') {
 227                         // Do a rewrite: \<foo>{i} --> \<foo>{\i}
 228                         string temp = contents;
 229                         temp.erase(3, string::npos);
 230                         temp += '\\';
 231                         temp += char(ic);
 232                         for(string::size_type j = 4;
 233                             j < contents.length(); ++j)
 234                                 temp+= contents[j];
 235                         contents= temp;
 236                         ++i;
 237                         remdot = true;
 238                 }
 239
 240                 // demand a '}' at the end
 241                 if (contents[++i] != '}' && contents[++i]) return;
 242
 243                 // fine, the char is properly decoded now (hopefully)
 244                 lyxerr[Debug::KEY] << "Contents: [" << contents << "]"
 245                                    << ", ic: " << ic
 246                                    << ", top: " << plusasc
 247                                    << ", bot: " << plusdesc
 248                                    << ", dot: " << remdot
 249                                    << ", mod: " << modtype << endl;
 250         }
 251         candisp = true;
 252 }
 253
 254
 255 int InsetLatexAccent::Ascent(LyXFont const & font) const
 256 {
 257         // This function is a bit too simplistix and is just a
 258         // "try to make a fit for all accents" approach, to
 259         // make it better we need to know what kind of accent is
 260         // used and add to max based on that.
 261         int max;
 262         if (candisp) {
 263                 if (ic == ' ')
 264                         max = font.ascent('a');
 265                 else
 266                         max = font.ascent(ic);
 267                 if (plusasc)
 268                         max += (font.maxAscent() + 3) / 3;
 269         } else
 270                 max = font.maxAscent() + 4;
 271         return max;
 272 }
 273
 274
 275 int InsetLatexAccent::Descent(LyXFont const & font) const
 276 {
 277         int max;
 278         if (candisp) {
 279                 if (ic == ' ')
 280                         max = font.descent('a');
 281                 else
 282                         max = font.descent(ic);
 283                 if (plusdesc)
 284                         max += 3;
 285         } else
 286                 max = font.maxDescent() + 4;
 287         return max;
 288 }
 289
 290
 291 int InsetLatexAccent::Width(LyXFont const & font) const
 292 {
 293         if (candisp)
 294                 return font.textWidth(&ic, 1);
 295         else
 296                 return font.stringWidth(contents) + 4;
 297 }
 298
 299
 300 int InsetLatexAccent::Lbearing(LyXFont const & font) const
 301 {
 302         return font.lbearing(ic);
 303 }
 304
 305
 306 int InsetLatexAccent::Rbearing(LyXFont const & font) const
 307 {
 308         return font.rbearing(ic);
 309 }
 310
 311
 312 bool InsetLatexAccent::DisplayISO8859_9(LyXFont font,
 313                                         LyXScreen & scr,
 314                                         int baseline,
 315                                         float & x)
 316 {
 317         unsigned char tmpic = ic;
 318
 319         switch (modtype) {
 320         case CEDILLA:
 321         {
 322                 if (ic == 'c') tmpic = 0xe7;
 323                 if (ic == 'C') tmpic = 0xc7;
 324                 if (ic == 's') tmpic = 0xfe;
 325                 if (ic == 'S') tmpic = 0xde;
 326                 break;
 327         }
 328         case BREVE:
 329         {       if (ic == 'g') tmpic = 0xf0;
 330         if (ic == 'G') tmpic = 0xd0;
 331         break;
 332         }
 333         case UMLAUT:
 334         {
 335                 if (ic == 'o') tmpic = 0xf6;
 336                 if (ic == 'O') tmpic = 0xd6;
 337                 if (ic == 'u') tmpic = 0xfc;
 338                 if (ic == 'U') tmpic = 0xdc;
 339                 break;
 340         }
 341         case DOT:        if (ic == 'I') tmpic = 0xdd; break;
 342         case DOT_LESS_I: tmpic = 0xfd; break;
 343         default:         return false;
 344         }
 345         if (tmpic != ic) {
 346                 char ch = char(tmpic);
 347                 scr.drawText(font, &ch, 1, baseline, int(x));
 348                 x += Width (font);
 349                 return true;
 350         }
 351         else
 352                 return false;
 353 }
 354
 355
 356 void InsetLatexAccent::Draw(LyXFont font,
 357                             LyXScreen & scr,
 358                             int baseline,
 359                             float & x)
 360 {
 361         if (lyxrc->font_norm == "iso8859-9")
 362                 if (DisplayISO8859_9 (font, scr, baseline, x))
 363                         return;
 364
 365         /* draw it! */
 366         // All the manually drawn accents in this function could use an
 367         // overhaul. Different ways of drawing (what metrics to use)
 368         // should also be considered.
 369
 370         if (candisp) {
 371                 int asc = Ascent(font);
 372                 int desc = Descent(font);
 373                 int wid = Width(font);
 374                 float x2 = x + (Rbearing(font) - Lbearing(font)) / 2.0;
 375                 float hg;
 376                 int y;
 377                 if (plusasc) {
 378                         // mark at the top
 379                         hg = font.maxDescent();
 380                         y = baseline - asc;
 381
 382                         if (font.shape() == LyXFont::ITALIC_SHAPE)
 383                                 x2 += (4.0 * hg) / 5.0; // italic
 384                 } else {
 385                         // at the bottom
 386                         hg = desc;
 387                         y = baseline;
 388                 }
 389
 390                 float hg35 = float(hg * 3.0) / 5.0;
 391
 392                 // display with proper accent mark
 393                 // first the letter
 394                 scr.drawText(font, &ic, 1, baseline, int(x));
 395
 396                 GC pgc = GetAccentGC(font, int((hg + 3.0) / 5.0));
 397
 398                 if (remdot) {
 399                         int tmpvar = baseline - font.ascent('i');
 400                         float tmpx = 0;
 401                         if (font.shape() == LyXFont::ITALIC_SHAPE)
 402                                 tmpx += (8.0 * hg) / 10.0; // italic
 403                         lyxerr[Debug::KEY] << "Removing dot." << endl;
 404                         // remove the dot first
 405                         scr.fillRectangle(gc_clear, int(x + tmpx),
 406                                           tmpvar, wid,
 407                                           font.ascent('i') -
 408                                           font.ascent('x') - 1);
 409                         // the five lines below is a simple hack to
 410                         // make the display of accent 'i' and 'j'
 411                         // better. It makes the accent be written
 412                         // closer to the top of the dot-less 'i' or 'j'.
 413                         char tmpic = ic; // store the ic when we
 414                         ic = 'x';        // calculates the ascent of
 415                         asc = Ascent(font); // the dot-less version (here: 'x')
 416                         ic = tmpic;      // set the orig ic back
 417                         y = baseline - asc; // update to new y coord.
 418                 }
 419                 // now the rest - draw within (x, y, x+wid, y+hg)
 420                 switch (modtype) {
 421                 case ACUTE:     // acute
 422                 {
 423                         scr.drawLine(pgc, int(x2), int(y + hg),
 424                                      int(x2 + hg35), y + hg35);
 425                         break;
 426                 }
 427                 case GRAVE:     // grave
 428                 {
 429                         scr.drawLine(pgc, int(x2), int(y + hg),
 430                                      int(x2 - hg35), y + hg35);
 431                         break;
 432                 }
 433                 case MACRON:     // macron
 434                 {
 435                         scr.drawLine(pgc,
 436                                      int(x2 - wid * 0.4),
 437                                      int(y + hg),
 438                                      int(x2 + wid * 0.4),
 439                                      int(y + hg));
 440                         break;
 441                 }
 442                 case TILDE:     // tilde
 443                 {
 444                         if (hg35 > 2.0) hg35 -= 1.0;
 445                         x2 += (hg35 / 2.0);
 446                         XPoint p[4];
 447                         p[0].x = int(x2 - 2.0 * hg35); p[0].y = int(y + hg);
 448                         p[1].x = int(x2 - hg35);   p[1].y = int(y + hg35);
 449                         p[2].x = int(x2);          p[2].y = int(y + hg);
 450                         p[3].x = int(x2 + hg35);   p[3].y = int(y + hg35);
 451                         scr.drawLines(pgc, p, 4);
 452                         break;
 453                 }
 454                 case UNDERBAR:     // underbar
 455                 {
 456                         scr.drawLine(pgc,
 457                                      int(x2 - wid * 0.4),
 458                                      y + (hg / 2.0),
 459                                      int(x2 + wid * 0.4),
 460                                      y + (hg / 2.0));
 461                         break;
 462                 }
 463                 case CEDILLA:     // cedilla
 464                 {
 465 #if 1
 466                         XPoint p[4];
 467                         p[0].x = int(x2);          p[0].y = y;
 468                         p[1].x = int(x2);          p[1].y = y + int(hg / 3.0);
 469                         p[2].x = int(x2 + (hg / 3.0));
 470                         p[2].y = y + int(hg / 2.0);
 471                         p[3].x = int(x2 - (hg / 4.0)); p[3].y = y + int(hg);
 472                         scr.drawLines(pgc, p, 4);
 473 #endif
 474                         //scr.drawLine(pgc,
 475                         //           x2, y,
 476                         //           x2 - hg / 4.0, y + hg);
 477                         // and then we need a circle thingie.
 478                         // ...
 479                         break;
 480                 }
 481                 case UNDERDOT:     // underdot
 482                 {
 483 #if 1
 484                         scr.fillArc(pgc, int(x2), y + hg35,
 485                                     3, 3, 0, 360*64);
 486 #endif
 487                         //scr.drawText(font, "·", 1, y + 2 * hg, x2);
 488                         break;
 489                 }
 490
 491                 case DOT:    // dot
 492                 {
 493 #if 1
 494                         scr.fillArc(pgc, int(x2), y + hg * 0.5,
 495                                     (hg + 3.0)/5.0,
 496                                     (hg + 3.0)/5.0, 0, 360*64);
 497 #endif
 498                         //scr.drawText(font, "·", 1, y + 2.0 * hg, x2);
 499                         break;
 500                 }
 501
 502                 case CIRCLE:     // circle
 503                 {
 504 #if 1
 505                         scr.drawArc(pgc, int(x2 - (hg / 2.0)),
 506                                     y + (hg / 2.0), hg, hg, 0,
 507                                     360*64);
 508 #endif
 509                         //scr.drawText(font, "°", 1, y + 2.0 * hg, x2);
 510
 511                         break;
 512                 }
 513                 case TIE:     // tie
 514                 {
 515                         scr.drawArc(pgc,
 516                                     int(x2 + hg35), y + (hg / 2.0),
 517                                     2 * hg, hg, 0, 360*32);
 518                         break;
 519                 }
 520                 case BREVE:     // breve
 521                 {
 522                         scr.drawArc(pgc,
 523                                     int(x2 - (hg / 2.0)), y,
 524                                     hg, hg, 0, -360*32);
 525                         break;
 526                 }
 527                 case CARON:    // caron
 528                 {
 529                         XPoint p[3];
 530                         p[0].x = int(x2 - hg35); p[0].y = int(y + hg35);
 531                         p[1].x = int(x2);        p[1].y = int(y + hg);
 532                         p[2].x = int(x2 + hg35); p[2].y = int(y + hg35);
 533                         scr.drawLines(pgc, p, 3);
 534                         break;
 535                 }
 536                 case SPECIAL_CARON:    // special caron
 537                 {
 538                         switch (ic) {
 539                         case 'L': wid = int(4.0 * wid / 5.0); break;
 540                         case 't': y -= int(hg35 / 2.0); break;
 541                         }
 542                         XPoint p[3];
 543                         p[0].x = int(x + wid);   p[0].y = int(y + hg35 + hg);
 544                         p[1].x = int(x + wid + (hg35 / 2.0));
 545                         p[1].y = int(y + hg + (hg35 / 2.0));
 546                         p[2].x = int(x + wid + (hg35 / 2.0));
 547                         p[2].y = y + int(hg);
 548                         scr.drawLines(pgc, p, 3);
 549                         break;
 550                 }
 551                 case HUNGARIAN_UMLAUT:    // hung. umlaut
 552                 {
 553                         XSegment s[2];
 554                         s[0].x1= int(x2 - (hg / 2.0));     s[0].y1 = int(y + hg);
 555                         s[0].x2 = int(x2 + hg35 - (hg / 2.0));
 556                         s[0].y2 = int(y + hg35);
 557                         s[1].x1 = int(x2 + (hg / 2.0));
 558                         s[1].y1 = int(y + hg);
 559                         s[1].x2 = int(x2 + hg35 + (hg / 2.0));
 560                         s[1].y2 = int(y + hg35);
 561
 562                         scr.drawSegments(pgc, s, 2);
 563                         break;
 564                 }
 565                 case UMLAUT:    // umlaut
 566                 {
 567                         float rad = hg / 2.0;
 568                         if (rad <= 1.0) {
 569                                 scr.drawPoint(pgc,
 570                                               int(x2 - ((4.0 * hg) / 7.0)),
 571                                               y + hg35);
 572                                 scr.drawPoint(pgc,
 573                                               int(x2 + ((4.0 * hg) / 7.0)),
 574                                               y + hg35);
 575                         } else {
 576                                 rad += .5; // this ensures that f.ex. 1.5 will
 577                                 // not be rounded down to .5 and then
 578                                 // converted to int = 0
 579                                 scr.fillArc(pgc, int(x2 - ((2.0 * hg) / 4.0)),
 580                                             y + hg35,
 581                                             rad, rad, 0, 360*64);
 582                                 scr.fillArc(pgc, int(x2 + ((2.0 * hg) / 4.0)),
 583                                             y + hg35,
 584                                             rad, rad, 0, 360*64);
 585                         }
 586                         //scr.drawText(font, "¨", 1, y + hg, x2);
 587                         break;
 588                 }
 589                 case CIRCUMFLEX:    // circumflex
 590                 {
 591                         XPoint p[3];
 592                         p[0].x = int(x2 - hg35); p[0].y = y + int(hg);
 593                         p[1].x = int(x2);        p[1].y = int(y + hg35);
 594                         p[2].x = int(x2 + hg35); p[2].y = y + int(hg);
 595                         scr.drawLines(pgc, p, 3);
 596                         break;
 597                 }
 598                 case OGONEK:    // ogonek
 599                 {
 600                         // this does probably not look like an ogonek, so
 601                         // it should certainly be refined
 602                         XPoint p[4];
 603                         p[0].x = int(x2);          p[0].y = y;
 604                         p[1].x = int(x2);          p[1].y = y + int(hg35);
 605                         p[2].x = int(x2 - hg35);
 606                         p[2].y = y + int(hg / 2.0);
 607                         p[3].x = int(x2 + (hg / 4.0)); p[3].y = y + int(hg);
 608                         scr.drawLines(pgc, p, 4);
 609                         break;
 610                 }
 611                 case lSLASH:
 612                 case LSLASH:
 613                 {
 614                         XPoint p[2];
 615                         p[0].x = int(x);
 616                         p[0].y = y + int(3.0 * hg);
 617                         p[1].x = int(x + float(wid) * 0.75);
 618                         p[1].y = y + int(hg);
 619                         scr.drawLines(pgc, p, 2);
 620                         break;
 621                 }
 622                 case DOT_LESS_I: // dotless-i
 623                 case DOT_LESS_J: // dotless-j
 624                 {
 625                         // nothing to do for these
 626                         break;
 627                 }
 628                 }
 629         } else {
 630                 scr.fillRectangle(gc_lighted,
 631                                   int(x + 1), baseline - Ascent(font) + 1,
 632                                   Width(font) - 2,
 633                                   Ascent(font) + Descent(font) - 2);
 634
 635                 scr.drawRectangle(gc_lighted,
 636                                   int(x), baseline - Ascent(font),
 637                                   Width(font) - 1,
 638                                   Ascent(font) + Descent(font) - 1);
 639                 scr.drawString(font, contents, baseline, int(x + 2));
 640         }
 641         x +=  Width(font);
 642 }
 643
 644
 645 void InsetLatexAccent::Write(ostream & os)
 646 {
 647         os << "\\i " << contents << "\n";
 648 }
 649
 650
 651 void InsetLatexAccent::Read(LyXLex & lex)
 652 {
 653         lex.EatLine();
 654         contents = lex.GetString();
 655         checkContents();
 656 }
 657
 658
 659 int InsetLatexAccent::Latex(ostream & os, signed char /*fragile*/)
 660 {
 661         os << contents;
 662         return 0;
 663 }
 664
 665
 666 int InsetLatexAccent::Latex(string & file, signed char /*fragile*/)
 667 {
 668         file += contents;
 669         return 0;
 670 }
 671
 672
 673 int InsetLatexAccent::Linuxdoc(string & file)
 674 {
 675         file += contents;
 676         return 0;
 677 }
 678
 679
 680 int InsetLatexAccent::DocBook(string & file)
 681 {
 682         file += contents;
 683         return 0;
 684 }
 685
 686
 687 bool InsetLatexAccent::Deletable() const
 688 {
 689         return true;
 690 }
 691
 692
 693 bool InsetLatexAccent::DirectWrite() const
 694 {
 695         return true;
 696 }
 697
 698
 699 Inset * InsetLatexAccent::Clone() const
 700 {
 701         return new InsetLatexAccent(contents);
 702 }
 703
 704
 705 Inset::Code InsetLatexAccent::LyxCode() const
 706 {
 707         return Inset::ACCENT_CODE;
 708 }
 709
 710
 711 ostream & operator<<(ostream & o, InsetLatexAccent::ACCENT_TYPES at)
 712 {
 713         return o << int(at);
 714 }