src/mathed/formula.C

   1 /*
   2 *  File:        formula.C
   3 *  Purpose:     Implementation of formula inset
   4 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
   5 *  Created:     January 1996
   6 *  Description: Allows the edition of math paragraphs inside Lyx.
   7 *
   8 *  Copyright: 1996-1998 Alejandro Aguilar Sierra
   9 *
  10 *  Version: 0.4, Lyx project.
  11 *
  12 *   You are free to use and modify this code under the terms of
  13 *   the GNU General Public Licence version 2 or later.
  14 */
  15
  16 #include <config.h>
  17
  18 #include "Lsstream.h"
  19
  20 #ifdef __GNUG__
  21 #pragma implementation
  22 #endif
  23
  24 #include "formula.h"
  25 #include "commandtags.h"
  26 #include "math_cursor.h"
  27 #include "math_parser.h"
  28 #include "lyx_main.h"
  29 #include "BufferView.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "LaTeXFeatures.h"
  33 #include "debug.h"
  34 #include "lyx_gui_misc.h"
  35 #include "support/LOstream.h"
  36 #include "LyXView.h"
  37 #include "Painter.h"
  38 #include "font.h"
  39 #include "support/lyxlib.h"
  40 #include "lyxrc.h"
  41 #include "math_inset.h"
  42 #include "math_parinset.h"
  43 #include "math_matrixinset.h"
  44 #include "math_rowst.h"
  45 #include "math_spaceinset.h"
  46 #include "math_deliminset.h"
  47 #include "mathed/support.h"
  48 #include "lyxfunc.h"
  49
  50 using std::ostream;
  51 using std::istream;
  52 using std::pair;
  53 using std::endl;
  54 using std::vector;
  55 using std::max;
  56
  57 extern string mathed_label;
  58
  59 extern char const * latex_special_chars;
  60
  61 int greek_kb_flag = 0;
  62 extern char const * latex_mathenv[];
  63
  64 // this is only used by Whichfont and mathed_init_fonts (Lgb)
  65 LyXFont * Math_Fonts = 0;
  66
  67
  68 MathedCursor * mathcursor = 0;
  69
  70
  71 namespace {
  72
  73 LyXFont::FONT_SIZE lfont_size = LyXFont::SIZE_NORMAL;
  74
  75 // local global
  76 int sel_x;
  77 int sel_y;
  78 bool sel_flag;
  79
  80 int mathed_write(MathParInset *, std::ostream &, bool fragile,
  81                  string const & label = string());
  82
  83 void mathed_init_fonts();
  84
  85 void mathedValidate(LaTeXFeatures & features, MathParInset * par);
  86
  87 } // namespaces
  88
  89
  90
  91 LyXFont WhichFont(short type, int size)
  92 {
  93         LyXFont f;
  94
  95         if (!Math_Fonts)
  96                 mathed_init_fonts();
  97
  98         switch (type) {
  99         case LM_TC_SYMB:
 100                 f = Math_Fonts[2];
 101                 break;
 102
 103         case LM_TC_BSYM:
 104                 f = Math_Fonts[2];
 105                 break;
 106
 107         case LM_TC_VAR:
 108         case LM_TC_IT:
 109                 f = Math_Fonts[0];
 110                 break;
 111
 112         case LM_TC_BF:
 113                 f = Math_Fonts[3];
 114                 break;
 115
 116         case LM_TC_SF:
 117                 f = Math_Fonts[7];
 118                 break;
 119
 120         case LM_TC_CAL:
 121                 f = Math_Fonts[4];
 122                 break;
 123
 124         case LM_TC_TT:
 125                 f = Math_Fonts[5];
 126                 break;
 127
 128         case LM_TC_SPECIAL: //f = Math_Fonts[0]; break;
 129         case LM_TC_TEXTRM:
 130         case LM_TC_RM:
 131                 f = Math_Fonts[6];
 132                 break;
 133
 134         default:
 135                 f = Math_Fonts[1];
 136                 break;
 137         }
 138
 139         f.setSize(lfont_size);
 140
 141         switch (size) {
 142         case LM_ST_DISPLAY:
 143                 if (type == LM_TC_BSYM) {
 144                         f.incSize();
 145                         f.incSize();
 146                 }
 147                 break;
 148
 149         case LM_ST_TEXT:
 150                 break;
 151
 152         case LM_ST_SCRIPT:
 153                 f.decSize();
 154                 break;
 155
 156         case LM_ST_SCRIPTSCRIPT:
 157                 f.decSize();
 158                 f.decSize();
 159                 break;
 160
 161         default:
 162                 lyxerr << "Mathed Error: wrong font size: " << size << endl;
 163                 break;
 164         }
 165
 166         if (type != LM_TC_TEXTRM)
 167                 f.setColor(LColor::math);
 168
 169         return f;
 170 }
 171
 172
 173 namespace {
 174
 175 void mathed_init_fonts() //removed 'static' because DEC cxx does not
 176 //like it (JMarc)
 177 // Probably because this func is declared as a friend in math_defs.h
 178 // Lgb
 179 {
 180         Math_Fonts = new LyXFont[8]; //DEC cxx cannot initialize all fonts
 181         //at once (JMarc) rc
 182
 183         for (int i = 0 ; i < 8 ; ++i) {
 184                 Math_Fonts[i] = LyXFont(LyXFont::ALL_SANE);
 185         }
 186
 187         Math_Fonts[0].setShape(LyXFont::ITALIC_SHAPE);
 188
 189         Math_Fonts[1].setFamily(LyXFont::SYMBOL_FAMILY);
 190
 191         Math_Fonts[2].setFamily(LyXFont::SYMBOL_FAMILY);
 192         Math_Fonts[2].setShape(LyXFont::ITALIC_SHAPE);
 193
 194         Math_Fonts[3].setSeries(LyXFont::BOLD_SERIES);
 195
 196         Math_Fonts[4].setFamily(LyXFont::SANS_FAMILY);
 197         Math_Fonts[4].setShape(LyXFont::ITALIC_SHAPE);
 198
 199         Math_Fonts[5].setFamily(LyXFont::TYPEWRITER_FAMILY);
 200
 201         Math_Fonts[6].setFamily(LyXFont::ROMAN_FAMILY);
 202
 203         Math_Fonts[7].setFamily(LyXFont::SANS_FAMILY);
 204
 205         LyXFont f = WhichFont(LM_TC_VAR, LM_ST_TEXT);
 206         MathedInset::defaultAscent(lyxfont::maxAscent(f));
 207         MathedInset::defaultDescent(lyxfont::maxDescent(f));
 208         MathedInset::defaultWidth(lyxfont::width('I', f));
 209 }
 210
 211 } // namespace anon
 212
 213
 214 // quite a hack i know. Should be done with return values...
 215 int number_of_newlines = 0;
 216
 217
 218 InsetFormula::InsetFormula(bool display)
 219 {
 220         par = new MathParInset; // this leaks
 221         //  mathcursor = 0;
 222         disp_flag_ = display;
 223         if (disp_flag_) {
 224                 par->SetType(LM_OT_PAR);
 225                 par->SetStyle(LM_ST_DISPLAY);
 226         }
 227 }
 228
 229
 230 InsetFormula::InsetFormula(MathParInset * p)
 231 {
 232         if (is_matrix_type(p->GetType()))
 233                 lyxerr << "InsetFormula::InsetFormula: This shouldn't happen" << endl;
 234
 235         par = is_multiline(p->GetType()) ?
 236                 new MathMatrixInset(*static_cast<MathMatrixInset*>(p)):
 237                 new MathParInset(*p);
 238         //   mathcursor = 0;
 239
 240         disp_flag_ = par->GetType() > 0;
 241 }
 242
 243
 244 InsetFormula::~InsetFormula()
 245 {
 246 #ifdef WITH_WARNINGS
 247 #warning leak this for a while...
 248 #endif
 249         //delete par;
 250 }
 251
 252
 253 Inset * InsetFormula::Clone(Buffer const &) const
 254 {
 255         return new InsetFormula(par);
 256 }
 257
 258
 259 void InsetFormula::Write(Buffer const * buf, ostream & os) const
 260 {
 261         os << "Formula ";
 262         Latex(buf, os, false, false);
 263 }
 264
 265
 266 int InsetFormula::Latex(Buffer const *, ostream & os, bool fragile, bool) const
 267 {
 268         return mathed_write(par, os, fragile, par->label());
 269 }
 270
 271
 272 int InsetFormula::Ascii(Buffer const *, ostream & os, int) const
 273 {
 274         par->Write(os, false);
 275         return 0;
 276 }
 277
 278
 279 int InsetFormula::Linuxdoc(Buffer const * buf, ostream & os) const
 280 {
 281         return Ascii(buf, os, 0);
 282 }
 283
 284
 285 int InsetFormula::DocBook(Buffer const * buf, ostream & os) const
 286 {
 287         return Ascii(buf, os, 0);
 288 }
 289
 290
 291 // Check if uses AMS macros
 292 void InsetFormula::Validate(LaTeXFeatures & features) const
 293 {
 294         if (is_ams(par->GetType()))
 295                 features.amsstyle = true;
 296
 297         // Validation is necessary only if not using AMS math.
 298         // To be safe, we will always run mathedValidate.
 299         //if (!features.amsstyle)
 300         mathedValidate(features, par);
 301 }
 302
 303
 304 void InsetFormula::Read(Buffer const *buffer, LyXLex & lex)
 305 {
 306         istream & is = lex.getStream();
 307
 308         mathed_parser_file(is, lex.GetLineNo());
 309
 310         MathedArray ar;
 311         mathed_parse(ar, par, 0);
 312         if (par->isMatrix()) {
 313                 //lyxerr << "################## InsetFormula::Read: IsMatrix\n";
 314                 static_cast<MathMatrixInset*>(par)->setData(ar);
 315         }
 316         else {
 317                 par->setData(ar);
 318                 //lyxerr << "################## InsetFormula::Read: keine Matrix\n";
 319         }
 320
 321         //lyxerr << "InsetFormula::Read: par: " << par << " " << par->GetData() << endl;
 322
 323         par->Metrics();
 324         disp_flag_ = (par->GetType() > 0);
 325
 326         // Update line number
 327         lex.setLineNo(mathed_parser_lineno());
 328
 329         // reading of end_inset in the inset!!!
 330         while (lex.IsOK()) {
 331                 lex.nextToken();
 332                 if (lex.GetString() == "\\end_inset")
 333                         break;
 334                 lyxerr << "InsetFormula::Read: Garbage before \\end_inset,"
 335                         " or missing \\end_inset!" << endl;
 336         }
 337
 338         if (lyxerr.debugging(Debug::MATHED))
 339                 Write(buffer, lyxerr);
 340 }
 341
 342
 343 int InsetFormula::ascent(BufferView *, LyXFont const &) const
 344 {
 345         return par->Ascent() + (disp_flag_ ? 8 : 1);
 346 }
 347
 348
 349 int InsetFormula::descent(BufferView *, LyXFont const &) const
 350 {
 351         return par->Descent() + (disp_flag_ ? 8 : 1);
 352 }
 353
 354
 355 int InsetFormula::width(BufferView * bv, LyXFont const & f) const
 356 {
 357         MathedInset::workWidth = bv->workWidth();
 358         lfont_size = f.size();
 359         par->Metrics();
 360         return par->Width(); //+2;
 361 }
 362
 363
 364 void InsetFormula::draw(BufferView * bv, LyXFont const & f,
 365                         int baseline, float & x, bool) const
 366 {
 367         MathedInset::workWidth = bv->workWidth();
 368         Painter & pain = bv->painter();
 369         // Seems commenting out solves a problem.
 370         LyXFont font = mathed_get_font(LM_TC_TEXTRM, LM_ST_TEXT);
 371         font.setSize(f.size());
 372         lfont_size = font.size();
 373         /// Let's try to wait a bit with this... (Lgb)
 374         //UpdatableInset::draw(pain, font, baseline, x);
 375
 376         // otherwise a segfault could occur
 377         // in some XDrawRectangles (i.e. matrix) (Matthias)
 378         if (mathcursor && mathcursor->GetPar() == par) {
 379                 if (mathcursor->Selection()) {
 380                         int n;
 381                         int * xp = 0;
 382                         int * yp = 0;
 383                         mathcursor->SelGetArea(&xp, &yp, n);
 384                         pain.fillPolygon(xp, yp, n, LColor::selection);
 385                 }
 386                 mathcursor->draw(pain, int(x), baseline);
 387         } else {
 388                 par->draw(pain, int(x), baseline);
 389         }
 390         x += float(width(bv, font));
 391
 392         if (is_numbered(par->GetType())) {
 393                 LyXFont wfont = WhichFont(LM_TC_BF, par->size());
 394                 wfont.setLatex(LyXFont::OFF);
 395
 396                 if (is_singlely_numbered(par->GetType())) {
 397                         string str;
 398                         if (!par->label().empty())
 399                                 str = string("(") + par->label() + ")";
 400                         else
 401                                 str = string("(#)");
 402                         pain.text(int(x + 20), baseline, str, wfont);
 403                 } else {
 404                         MathedRowContainer::iterator crow = par->getRowSt().begin();
 405                         while (crow) {
 406                                 int const y = baseline + crow->getBaseline();
 407                                 if (crow->isNumbered()) {
 408                                         string str;
 409                                         if (!crow->getLabel().empty())
 410                                                 str = string("(") + crow->getLabel() + ")";
 411                                         else
 412                                                 str = "(#)";
 413                                         pain.text(int(x + 20), y, str, wfont);
 414                                 }
 415                                 ++crow;
 416                         }
 417                 }
 418         }
 419         setCursorVisible(false);
 420 }
 421
 422
 423 string const InsetFormula::EditMessage() const
 424 {
 425         return _("Math editor mode");
 426 }
 427
 428
 429 void InsetFormula::Edit(BufferView * bv, int x, int y, unsigned int)
 430 {
 431         mathcursor = new MathedCursor(par);
 432
 433         if (!bv->lockInset(this))
 434                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 435
 436         par->Metrics();
 437         bv->updateInset(this, false);
 438         x += par->xo();
 439         y += par->yo();
 440         mathcursor->SetPos(x, y);
 441         sel_x = 0;
 442         sel_y = 0;
 443         sel_flag = false;
 444 }
 445
 446
 447 void InsetFormula::InsetUnlock(BufferView * bv)
 448 {
 449         if (mathcursor) {
 450                 if (mathcursor->InMacroMode()) {
 451                         mathcursor->MacroModeClose();
 452                         UpdateLocal(bv);
 453                 }
 454                 delete mathcursor;
 455         }
 456         mathcursor = 0;
 457         bv->updateInset(this, false);
 458 }
 459
 460
 461 // Now a symbol can be inserted only if the inset is locked
 462 void InsetFormula::InsertSymbol(BufferView *, string const & s)
 463 {
 464         if (s.empty() || !mathcursor)
 465                 return;
 466         mathcursor->Interpret(s);
 467         // Andre: UpdateLocal(bv);
 468 }
 469
 470
 471 void InsetFormula::GetCursorPos(BufferView *, int & x, int & y) const
 472 {
 473         mathcursor->GetPos(x, y);
 474         x -= par->xo();
 475         y -= par->yo();
 476 }
 477
 478
 479 void InsetFormula::ToggleInsetCursor(BufferView * bv)
 480 {
 481         if (!mathcursor)
 482                 return;
 483
 484         int x;
 485         int y;
 486         mathcursor->GetPos(x, y);
 487         //  x -= par->xo;
 488         y -= par->yo();
 489         LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
 490         int const asc = lyxfont::maxAscent(font);
 491         int const desc = lyxfont::maxDescent(font);
 492
 493         if (isCursorVisible())
 494                 bv->hideLockedInsetCursor();
 495         else
 496                 bv->showLockedInsetCursor(x, y, asc, desc);
 497
 498         toggleCursorVisible();
 499 }
 500
 501
 502 void InsetFormula::ShowInsetCursor(BufferView * bv, bool)
 503 {
 504         if (!isCursorVisible()) {
 505                 if (mathcursor) {
 506                         int x;
 507                         int y;
 508                         mathcursor->GetPos(x, y);
 509                         //  x -= par->xo;
 510                         y -= par->yo();
 511                         LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
 512                         int const asc = lyxfont::maxAscent(font);
 513                         int const desc = lyxfont::maxDescent(font);
 514                         bv->fitLockedInsetCursor(x, y, asc, desc);
 515                 }
 516                 ToggleInsetCursor(bv);
 517         }
 518 }
 519
 520
 521 void InsetFormula::HideInsetCursor(BufferView * bv)
 522 {
 523         if (isCursorVisible())
 524                 ToggleInsetCursor(bv);
 525 }
 526
 527
 528 void InsetFormula::ToggleInsetSelection(BufferView * bv)
 529 {
 530         if (!mathcursor)
 531                 return;
 532
 533         bv->updateInset(this, false);
 534 }
 535
 536
 537 void InsetFormula::display(bool dspf)
 538 {
 539         if (dspf != disp_flag_) {
 540                 if (dspf) {
 541                         par->SetType(LM_OT_PAR);
 542                         par->SetStyle(LM_ST_DISPLAY);
 543                 } else {
 544                         if (is_multiline(par->GetType())) {
 545                                 if (mathcursor)
 546                                         mathcursor->SetPar(par);
 547                         }
 548                         par->SetType(LM_OT_MIN);
 549                         par->SetStyle(LM_ST_TEXT);
 550 #ifdef WITH_WARNINGS
 551 #warning Labels
 552 #endif
 553 /*
 554                         if (!label_.empty()) {
 555                                 label_.erase();
 556                         }
 557 */
 558                 }
 559                 disp_flag_ = dspf;
 560         }
 561 }
 562
 563
 564 vector<string> const InsetFormula::getLabelList() const
 565 {
 566         vector<string> label_list;
 567         MathedRowContainer::iterator crow = par->getRowSt().begin();
 568         for ( ; crow; ++crow)
 569                 label_list.push_back(crow->getLabel());
 570
 571         return label_list;
 572 }
 573
 574
 575 void InsetFormula::UpdateLocal(BufferView * bv)
 576 {
 577         par->Metrics();  // To inform lyx kernel the exact size
 578         // (there were problems with arrays).
 579         bv->updateInset(this, true);
 580 }
 581
 582
 583 void InsetFormula::InsetButtonRelease(BufferView * bv,
 584                                       int x, int y, int /*button*/)
 585 {
 586         if (mathcursor) {
 587                 HideInsetCursor(bv);
 588                 x += par->xo();
 589                 y += par->yo();
 590                 mathcursor->SetPos(x, y);
 591                 ShowInsetCursor(bv);
 592                 if (sel_flag) {
 593                         sel_flag = false;
 594                         sel_x = sel_y = 0;
 595                         bv->updateInset(this, false);
 596                 }
 597         }
 598 }
 599
 600
 601 void InsetFormula::InsetButtonPress(BufferView * bv, int x, int y,
 602                                     int /*button*/)
 603 {
 604         sel_flag = false;
 605         sel_x = x;
 606         sel_y = y;
 607         if (mathcursor && mathcursor->Selection()) {
 608                 mathcursor->SelClear();
 609                 bv->updateInset(this, false);
 610         }
 611 }
 612
 613
 614 void InsetFormula::InsetMotionNotify(BufferView * bv,
 615                                      int x, int y, int /*button*/)
 616 {
 617         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
 618                 sel_flag = true;
 619                 HideInsetCursor(bv);
 620                 mathcursor->SetPos(sel_x + par->xo(), sel_y + par->yo());
 621                 mathcursor->SelStart();
 622                 ShowInsetCursor(bv);
 623                 mathcursor->GetPos(sel_x, sel_y);
 624         } else if (sel_flag) {
 625                 HideInsetCursor(bv);
 626                 x += par->xo();
 627                 y += par->yo();
 628                 mathcursor->SetPos(x, y);
 629                 ShowInsetCursor(bv);
 630                 mathcursor->GetPos(x, y);
 631                 if (sel_x != x || sel_y != y)
 632                         bv->updateInset(this, false);
 633                 sel_x = x;
 634                 sel_y = y;
 635         }
 636 }
 637
 638
 639 void InsetFormula::InsetKeyPress(XKeyEvent *)
 640 {
 641         lyxerr[Debug::MATHED] << "Used InsetFormula::InsetKeyPress." << endl;
 642 }
 643
 644
 645 // Special Mathed functions
 646 bool InsetFormula::SetNumber(bool numbf)
 647 {
 648         if (disp_flag_) {
 649                 short type = par->GetType();
 650                 bool const oldf = is_numbered(type);
 651                 if (numbf && !oldf)
 652                         ++type;
 653                 if (!numbf && oldf)
 654                         --type;
 655                 par->SetType(type);
 656                 return oldf;
 657         } else
 658                 return false;
 659 }
 660
 661
 662 UpdatableInset::RESULT
 663 InsetFormula::LocalDispatch(BufferView * bv, kb_action action,
 664                             string const & arg)
 665 {
 666         //lyxerr << "InsetFormula::LocalDispatch: act: " << action
 667         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 668         //   extern char *dispatch_result;
 669
 670         if (!mathcursor) {
 671                 return UNDISPATCHED;
 672         }
 673
 674         MathedTextCodes varcode = LM_TC_MIN;
 675         bool was_macro = mathcursor->InMacroMode();
 676         bool sel = false;
 677         bool space_on = false;
 678         bool was_selection = mathcursor->Selection();
 679         RESULT result = DISPATCHED;
 680         static MathSpaceInset * sp= 0;
 681
 682         HideInsetCursor(bv);
 683
 684         if (mathcursor->getLastCode() == LM_TC_TEX) {
 685                 varcode = LM_TC_TEX;
 686         }
 687
 688         switch (action) {
 689                 // --- Cursor Movements ---------------------------------------------
 690         case LFUN_RIGHTSEL:
 691                 sel = true; // fall through...
 692
 693         case LFUN_RIGHT:
 694                 result = DISPATCH_RESULT(mathcursor->Right(sel));
 695                 if (!sel && (result == DISPATCHED))
 696                         result = DISPATCHED_NOUPDATE;
 697                 UpdateLocal(bv);
 698                 break;
 699
 700
 701         case LFUN_LEFTSEL:
 702                 sel = true; // fall through
 703
 704         case LFUN_LEFT:
 705                 result = DISPATCH_RESULT(mathcursor->Left(sel));
 706                 if (!sel && (result == DISPATCHED))
 707                         result = DISPATCHED_NOUPDATE;
 708                 UpdateLocal(bv);
 709                 break;
 710
 711
 712         case LFUN_UPSEL:
 713                 sel = true;
 714
 715         case LFUN_UP:
 716                 result = DISPATCH_RESULT(mathcursor->Up(sel));
 717                 if (!sel && (result == DISPATCHED))
 718                         result = DISPATCHED_NOUPDATE;
 719                 UpdateLocal(bv);
 720                 break;
 721
 722
 723         case LFUN_DOWNSEL:
 724                 sel = true;
 725
 726         case LFUN_DOWN:
 727                 result = DISPATCH_RESULT(mathcursor->Down(sel));
 728                 if (!sel && (result == DISPATCHED))
 729                         result = DISPATCHED_NOUPDATE;
 730                 UpdateLocal(bv);
 731                 break;
 732
 733
 734         case LFUN_HOME:
 735                 mathcursor->Home();
 736                 result = DISPATCHED_NOUPDATE;
 737                 break;
 738
 739         case LFUN_END:
 740                 mathcursor->End();
 741                 result = DISPATCHED_NOUPDATE;
 742                 break;
 743
 744         case LFUN_DELETE_LINE_FORWARD:
 745                 bv->lockedInsetStoreUndo(Undo::DELETE);
 746                 mathcursor->DelLine();
 747                 // Andre:
 748                 UpdateLocal(bv);
 749                 break;
 750
 751         case LFUN_BREAKLINE:
 752         {
 753                 bv->lockedInsetStoreUndo(Undo::INSERT);
 754                 byte c = arg.empty() ? '1' : arg[0];
 755                 mathcursor->Insert(c, LM_TC_CR);
 756 #ifdef WITH_WARNINGS
 757 #warning Labels
 758 #endif
 759 /*
 760                 if (!par->label().empty()) {
 761                         mathcursor->setLabel(label_);
 762                         label_.erase();
 763                 }
 764 */
 765                 par = mathcursor->GetPar();
 766                 // Andre:
 767                 UpdateLocal(bv);
 768         }
 769         break;
 770
 771         case LFUN_TAB:
 772                 bv->lockedInsetStoreUndo(Undo::INSERT);
 773                 mathcursor->Insert(0, LM_TC_TAB);
 774                 //UpdateInset(this);
 775                 break;
 776
 777         case LFUN_TABINSERT:
 778                 bv->lockedInsetStoreUndo(Undo::INSERT);
 779                 mathcursor->Insert('T', LM_TC_TAB);
 780                 // Andre:
 781                 UpdateLocal(bv);
 782                 break;
 783
 784         case LFUN_BACKSPACE:
 785                 if (!mathcursor->Left())
 786                         break;
 787
 788                 if (!mathcursor->InMacroMode() && mathcursor->pullArg()) {
 789                         bv->updateInset(this, true);
 790                         break;
 791                 }
 792                 // fall through...
 793
 794         case LFUN_DELETE:
 795                 bv->lockedInsetStoreUndo(Undo::DELETE);
 796                 mathcursor->Delete();
 797                 bv->updateInset(this, true);
 798                 break;
 799
 800                 //    case LFUN_GETXY:
 801                 //      sprintf(dispatch_buffer, "%d %d",);
 802                 //      dispatch_result = dispatch_buffer;
 803                 //      break;
 804         case LFUN_SETXY:
 805         {
 806                 int x;
 807                 int y;
 808                 int x1;
 809                 int y1;
 810                 istringstream ist(arg.c_str());
 811                 ist >> x >> y;
 812                 par->GetXY(x1, y1);
 813                 mathcursor->SetPos(x1 + x, y1 + y);
 814         }
 815         break;
 816
 817                 /* cursor selection ---------------------------- */
 818
 819         case LFUN_PASTE:
 820                 if (was_macro)
 821                         mathcursor->MacroModeClose();
 822                 bv->lockedInsetStoreUndo(Undo::INSERT);
 823                 mathcursor->SelPaste();
 824                 // Andre:
 825                 UpdateLocal(bv);
 826                 break;
 827
 828         case LFUN_CUT:
 829                 bv->lockedInsetStoreUndo(Undo::DELETE);
 830                 mathcursor->SelCut();
 831                 // Andre:
 832                 UpdateLocal(bv);
 833                 break;
 834
 835         case LFUN_COPY:
 836                 mathcursor->SelCopy();
 837                 break;
 838
 839         case LFUN_HOMESEL:
 840         case LFUN_ENDSEL:
 841         case LFUN_WORDRIGHTSEL:
 842         case LFUN_WORDLEFTSEL:
 843                 break;
 844
 845                 // --- accented characters ------------------------------
 846
 847         case LFUN_UMLAUT:     mathcursor->setAccent(LM_ddot); break;
 848         case LFUN_CIRCUMFLEX: mathcursor->setAccent(LM_hat); break;
 849         case LFUN_GRAVE:      mathcursor->setAccent(LM_grave); break;
 850         case LFUN_ACUTE:      mathcursor->setAccent(LM_acute); break;
 851         case LFUN_TILDE:      mathcursor->setAccent(LM_tilde); break;
 852         case LFUN_MACRON:     mathcursor->setAccent(LM_bar); break;
 853         case LFUN_DOT:        mathcursor->setAccent(LM_dot); break;
 854         case LFUN_CARON:      mathcursor->setAccent(LM_check); break;
 855         case LFUN_BREVE:      mathcursor->setAccent(LM_breve); break;
 856         case LFUN_VECTOR:     mathcursor->setAccent(LM_vec); break;
 857
 858                 // Greek mode
 859         case LFUN_GREEK:
 860                 if (!greek_kb_flag) {
 861                         greek_kb_flag = 1;
 862                         bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("Math greek mode on"));
 863                 } else
 864                         greek_kb_flag = 0;
 865                 break;
 866
 867                 // Greek keyboard
 868         case LFUN_GREEK_TOGGLE:
 869                 greek_kb_flag = (greek_kb_flag) ? 0 : 2;
 870                 if (greek_kb_flag)
 871                         bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("Math greek keyboard on"));
 872                 else
 873                         bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("Math greek keyboard off"));
 874                 break;
 875
 876                 //  Math fonts
 877         case LFUN_BOLD:  mathcursor->toggleLastCode(LM_TC_BF); break;
 878         case LFUN_SANS:  mathcursor->toggleLastCode(LM_TC_SF); break;
 879         case LFUN_EMPH:  mathcursor->toggleLastCode(LM_TC_CAL); break;
 880         case LFUN_ROMAN: mathcursor->toggleLastCode(LM_TC_RM); break;
 881         case LFUN_CODE:  mathcursor->toggleLastCode(LM_TC_TT); break;
 882         case LFUN_DEFAULT:  mathcursor->setLastCode(LM_TC_VAR); break;
 883
 884         case LFUN_TEX:
 885                 // varcode = LM_TC_TEX;
 886                 mathcursor->setLastCode(LM_TC_TEX);
 887                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("TeX mode"));
 888                 break;
 889
 890         case LFUN_MATH_NUMBER:
 891                 bv->lockedInsetStoreUndo(Undo::INSERT);
 892                 if (disp_flag_) {
 893                         short type = par->GetType();
 894                         if (is_numbered(type)) {
 895                                 --type;
 896 #ifdef WITH_WARNINGS
 897 #warning Labels
 898 #endif
 899 /*
 900                                 if (!label_.empty()) {
 901                                         label_.erase();
 902                                 }
 903 */
 904                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("No number"));
 905                         } else {
 906                                 ++type;
 907                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("Number"));
 908                         }
 909                         par->SetType(type);
 910                         // Andre:
 911                         UpdateLocal(bv);
 912                 }
 913                 break;
 914
 915         case LFUN_MATH_NONUMBER:
 916                 if (is_multi_numbered(par->GetType())) {
 917                                 //BUG
 918                                 //         par->SetNumbered(!par->IsNumbered());
 919
 920 #ifdef WITH_WARNINGS
 921 #warning This is a terrible hack! We should find a better solution.
 922 #endif
 923                         while (mathcursor->getLabel() == MathedXIter::error_label) {
 924                                 if (LocalDispatch(bv, LFUN_LEFT, string()) == FINISHED)
 925                                         return DISPATCHED;
 926                         }
 927                         mathcursor->setNumbered();
 928                         // Andre:
 929                         UpdateLocal(bv);
 930                 }
 931                 break;
 932
 933         case LFUN_MATH_LIMITS:
 934                 bv->lockedInsetStoreUndo(Undo::INSERT);
 935                 if (mathcursor->Limits())
 936                         // Andre:
 937                         UpdateLocal(bv);
 938                 // fall through!
 939
 940         case LFUN_MATH_SIZE:
 941                 if (!arg.empty()) {
 942                         latexkeys const * l = in_word_set(arg);
 943                         int const sz = l ? l->id : -1;
 944                         mathcursor->SetSize(sz);
 945                         // Andre:
 946                         UpdateLocal(bv);
 947                         break;
 948                 }
 949                 // possible fall through?
 950
 951         case LFUN_INSERT_MATH:
 952                 bv->lockedInsetStoreUndo(Undo::INSERT);
 953                 InsertSymbol(bv, arg);
 954                 break;
 955
 956
 957         case LFUN_INSERT_MATRIX:
 958         {
 959                 bv->lockedInsetStoreUndo(Undo::INSERT);
 960                 char s[80];
 961                 char arg2[80];
 962                 // This is just so that too long args won't ooze out of s.
 963                 strncpy(arg2, arg.c_str(), 80);
 964                 arg2[79]= '\0';
 965                 int m;
 966                 int n;
 967                 int const k = sscanf(arg2, "%d %d %s", &m, &n, s);
 968                 s[79] = '\0';
 969
 970                 if (k < 1) {
 971                         m = n = 1;
 972                 } else if (k == 1) {
 973                         n = 1;
 974                 }
 975
 976                 if (mathcursor) {
 977                         MathMatrixInset * p = new MathMatrixInset(m, n);
 978                         if (k > 2 && int(strlen(s)) > m)
 979                                 p->SetAlign(s[0], &s[1]);
 980                         mathcursor->insertInset(p, LM_TC_ACTIVE_INSET);
 981                         // Andre:
 982                         UpdateLocal(bv);
 983                 }
 984                 break;
 985         }
 986
 987         case LFUN_MATH_DELIM:
 988         {
 989                 bv->lockedInsetStoreUndo(Undo::INSERT);
 990                 char lf[40];
 991                 char rg[40];
 992                 char arg2[40];
 993                 int ilf = '(';
 994                 int irg = '.';
 995                 latexkeys const * l;
 996                 string vdelim("(){}[]./|");
 997
 998                 if (arg.empty())
 999                         break;
1000                 ::strncpy(arg2, arg.c_str(), 40);
1001                 arg2[39]= '\0';
1002                 int const n = sscanf(arg2, "%s %s", lf, rg);
1003                 lf[39] = '\0';
1004                 rg[39] = '\0';
1005
1006                 if (n > 0) {
1007                         if (isdigit(lf[0]))
1008                                 ilf = lyx::atoi(lf);
1009                         else
1010                                 if (lf[1]) {
1011                                         l = in_word_set(lf, strlen(lf));
1012                                         // Long words will cause l == 0; so check.
1013                                         if (l)
1014                                                 ilf = l->id;
1015                                 } else if (vdelim.find(lf[0]) != string::npos)
1016                                         ilf = lf[0];
1017
1018                         if (n > 1) {
1019                                 if (isdigit(rg[0]))
1020                                         irg = lyx::atoi(rg);
1021                                 else
1022                                         if (rg[1]) {
1023                                                 l = in_word_set(rg, strlen(rg));
1024                                                 if (l)
1025                                                         irg = l->id;
1026                                         } else if (vdelim.find(rg[0]) != string::npos)
1027                                                 irg = rg[0];
1028                         }
1029                 }
1030
1031                 MathDelimInset * p = new MathDelimInset(ilf, irg);
1032                 mathcursor->insertInset(p, LM_TC_ACTIVE_INSET);
1033                 // Andre:
1034                 UpdateLocal(bv);
1035                 break;
1036         }
1037
1038         case LFUN_PROTECTEDSPACE:
1039                 bv->lockedInsetStoreUndo(Undo::INSERT);
1040                 sp = new MathSpaceInset(1);
1041                 mathcursor->insertInset(sp, LM_TC_INSET);
1042                 space_on = true;
1043                 // Andre:
1044                 UpdateLocal(bv);
1045                 break;
1046
1047         case LFUN_INSERT_LABEL:
1048         {
1049                 bv->lockedInsetStoreUndo(Undo::INSERT);
1050                 if (par->GetType() < LM_OT_PAR)
1051                         break;
1052
1053                 string old_label = is_multiline(par->GetType())
1054                         ? mathcursor->getLabel() : par->label();
1055
1056 #ifdef WITH_WARNINGS
1057 #warning This is a terrible hack! We should find a better solution.
1058 #endif
1059                 // This is needed because in some positions
1060                 // mathcursor->cursor->crow is equal to 0, and therefore
1061                 // the label cannot be inserted.
1062                 // So we move the cursor left until
1063                 // mathcursor->cursor->crow != 0.
1064                 while (old_label == MathedXIter::error_label) {
1065                         if (LocalDispatch(bv, LFUN_LEFT, string()) == FINISHED)
1066                                 return DISPATCHED;
1067                         old_label = mathcursor->getLabel();
1068                 }
1069
1070                 string new_label = arg;
1071                 if (new_label.empty()) {
1072                         string const default_label =
1073                                 (lyxrc.label_init_length >= 0) ? "eq:" : "";
1074                         pair<bool, string> const res = old_label.empty()
1075                                 ? askForText(_("Enter new label to insert:"),
1076                                              default_label)
1077                                 : askForText(_("Enter label:"), old_label);
1078                         if (!res.first)
1079                                 break;
1080                         new_label = frontStrip(strip(res.second));
1081                 }
1082
1083                 if (new_label == old_label)
1084                         break;  // Nothing to do
1085
1086                 if (!new_label.empty())
1087                         SetNumber(true);
1088
1089                 if (!new_label.empty() && bv->ChangeRefsIfUnique(old_label, new_label))
1090                         bv->redraw();
1091
1092 #ifdef WITH_WARNINGS
1093 #warning Labels
1094 #endif
1095 /*
1096                 if (is_multi_numbered(par->GetType())) {
1097                         mathcursor->setLabel(new_label);
1098                         // par->SetLabel(new_label);
1099                 } else
1100                         label_ = new_label;
1101 */
1102
1103                 // Andre:
1104                 UpdateLocal(bv);
1105                 break;
1106         }
1107
1108         case LFUN_MATH_DISPLAY:
1109                 bv->lockedInsetStoreUndo(Undo::EDIT);
1110                 display(!disp_flag_);
1111                 // Andre:
1112                 UpdateLocal(bv);
1113                 break;
1114
1115                 // Invalid actions under math mode
1116         case LFUN_MATH_MODE:
1117                 if (mathcursor->getLastCode()!= LM_TC_TEXTRM) {
1118                         bv->owner()->getLyXFunc()
1119                                 ->Dispatch(LFUN_MESSAGE, _("math text mode"));
1120                         varcode = LM_TC_TEXTRM;
1121                 } else {
1122                         varcode = LM_TC_VAR;
1123                 }
1124                 mathcursor->setLastCode(varcode);
1125                 break;
1126
1127         case LFUN_UNDO:
1128                 bv->owner()->getLyXFunc()
1129                         ->Dispatch(LFUN_MESSAGE,
1130                                    _("Invalid action in math mode!"));
1131                 break;
1132
1133                 //------- dummy actions
1134 #ifdef WITH_WARNINGS
1135 #warning Is this needed here? Shouldnt the main dispatch handle this? (Lgb)
1136 #endif
1137                 //case LFUN_EXEC_COMMAND:
1138                 //bv->owner()->getMiniBuffer()->PrepareForCommand();
1139                 //break;
1140
1141         default:
1142                 if ((action == -1  || action == LFUN_SELFINSERT)
1143                     && !arg.empty())  {
1144                         unsigned char c = arg[0];
1145                         bv->lockedInsetStoreUndo(Undo::INSERT);
1146
1147                         if (c == ' ' && mathcursor->getAccent() == LM_hat) {
1148                                 c = '^';
1149                                 mathcursor->setAccent(0);
1150                         }
1151
1152                         if (c == 0) {      // Dead key, do nothing
1153                                 //lyxerr << "deadkey" << endl;
1154                                 break;
1155                         }
1156
1157                         if (isalpha(c)) {
1158                                 if (mathcursor->getLastCode() == LM_TC_TEX) {
1159                                         mathcursor->MacroModeOpen();
1160                                         mathcursor->clearLastCode();
1161                                         varcode = LM_TC_MIN;
1162                                 } else if (!varcode) {
1163                                         short f = (mathcursor->getLastCode()) ?
1164                                                 mathcursor->getLastCode() :
1165                                                 static_cast<MathedTextCodes>(mathcursor->GetFCode());
1166                                         varcode = MathIsAlphaFont(f) ?
1167                                                 static_cast<MathedTextCodes>(f) :
1168                                                 LM_TC_VAR;
1169                                 }
1170
1171                                 //           lyxerr << "Varcode << vardoce;
1172                                 MathedTextCodes char_code = varcode;
1173                                 if (greek_kb_flag) {
1174                                         char greek[26] =
1175                                         {'A', 'B', 'X',  0 , 'E',  0 ,  0 , 'H', 'I',  0 ,
1176                                          'K',  0 , 'M', 'N', 'O',  0 ,  0 , 'P',  0 , 'T',
1177                                          'Y',  0,   0,   0,   0 , 'Z' };
1178
1179                                         if ('A' <= c && c <= 'Z' && greek[c - 'A']) {
1180                                                 char_code = LM_TC_RM;
1181                                                 c = greek[c - 'A'];
1182                                         } else
1183                                                 char_code = LM_TC_SYMB;
1184                                 }
1185
1186                                 mathcursor->Insert(c, char_code);
1187
1188                                 if (greek_kb_flag && char_code == LM_TC_RM )
1189                                         mathcursor->setLastCode(LM_TC_VAR);
1190
1191                                 varcode = LM_TC_MIN;
1192
1193                                 if (greek_kb_flag < 2)
1194                                         greek_kb_flag = 0;
1195
1196                         } else if (strchr("!,:;{}", c) && (varcode == LM_TC_TEX||was_macro)) {
1197                                 mathcursor->Insert(c, LM_TC_TEX);
1198                                 if (c == '{') {
1199                                         mathcursor->Insert('}', LM_TC_TEX);
1200                                         mathcursor->Left();
1201                                 }
1202                                 mathcursor->clearLastCode();
1203                                 //             varcode = LM_TC_MIN;
1204                         } else if (c == '_' && varcode == LM_TC_TEX) {
1205                                 mathcursor->Insert(c, LM_TC_SPECIAL);
1206                                 mathcursor->clearLastCode();
1207                                 //             varcode = LM_TC_MIN;
1208                         } else if (('0'<= c && c<= '9') && (varcode == LM_TC_TEX||was_macro)) {
1209                                 mathcursor->MacroModeOpen();
1210                                 mathcursor->clearLastCode();
1211                                 mathcursor->Insert(c, LM_TC_MIN);
1212                         } else if (('0'<= c && c<= '9') || strchr(";:!|[]().,?", c)) {
1213                                 mathcursor->Insert(c, LM_TC_CONST);
1214                         } else if (strchr("+/-*<>=", c)) {
1215                                 mathcursor->Insert(c, LM_TC_BOP);
1216                         } else if (strchr(latex_special_chars, c) && c!= '_') {
1217                                 mathcursor->Insert(c, LM_TC_SPECIAL);
1218                         } else if (c == '_' || c == '^') {
1219                                 char s[2];
1220                                 s[0] = c;
1221                                 s[1] = 0;
1222                                 mathcursor->Interpret(s);
1223                         } else if (c == ' ') {
1224                                 if (!varcode) {
1225                                         short f = (mathcursor->getLastCode()) ?
1226                                                 mathcursor->getLastCode() :
1227                                                 static_cast<MathedTextCodes>(mathcursor->GetFCode());
1228                                         varcode = MathIsAlphaFont(f) ?
1229                                                 static_cast<MathedTextCodes>(f) :
1230                                                 LM_TC_VAR;
1231                                 }
1232
1233                                 if (varcode == LM_TC_TEXTRM) {
1234                                         mathcursor->Insert(c, LM_TC_TEXTRM);
1235                                 } else if (was_macro) {
1236                                         mathcursor->MacroModeClose();
1237                                 } else if (sp) {
1238                                         int isp = (sp->GetSpace()<5) ? sp->GetSpace()+1: 0;
1239                                         sp->SetSpace(isp);
1240                                         space_on = true;
1241                                 } else if (!mathcursor->Pop() && mathcursor->IsEnd())
1242                                         result = FINISHED;
1243                         } else if (c == '\'' || c == '@') {
1244                                 mathcursor->Insert (c, LM_TC_VAR);
1245                         } else if (c == '\\') {
1246                                 if (was_macro)
1247                                         mathcursor->MacroModeClose();
1248                                 // This line nukes the mathcursor. Why?
1249                                 //bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, _("TeX mode"));
1250                                 mathcursor->setLastCode(LM_TC_TEX);
1251                         }
1252                         // Andre:
1253                         UpdateLocal(bv);
1254                 } else if (action == LFUN_MATH_PANEL) {
1255                         result = UNDISPATCHED;
1256                 } else {
1257                         // lyxerr << "Closed by action " << action << endl;
1258                         result =  FINISHED;
1259                 }
1260         }
1261
1262         //UpdateLocal(bv);
1263
1264         // Andre:
1265         if ((mathcursor && was_macro != mathcursor->InMacroMode())
1266             && action >= 0
1267             && action != LFUN_BACKSPACE)
1268                 UpdateLocal(bv);
1269
1270         if (sp && !space_on)
1271                 sp = 0;
1272
1273         if (mathcursor && (mathcursor->Selection() || was_selection))
1274                 ToggleInsetSelection(bv);
1275
1276         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
1277             result == UNDISPATCHED)
1278                 ShowInsetCursor(bv);
1279         else
1280                 bv->unlockInset(this);
1281
1282         return result;  // original version
1283 }
1284
1285
1286 namespace {
1287
1288 void mathedValidate(LaTeXFeatures & features, MathParInset * par)
1289 {
1290         MathedIter it(&par->GetData());
1291
1292         while (it.OK() && !(features.binom && features.boldsymbol)) {
1293                 if (it.IsInset()) {
1294                         if (it.IsActive()) {
1295                                 MathParInset * p = it.GetActiveInset();
1296                                 if (!features.binom && p->GetType() == LM_OT_MACRO &&
1297                                     p->GetName() == "binom") {
1298                                         features.binom = true;
1299                                 } else {
1300                                         for (int i = 0; i <= p->getMaxArgumentIdx(); ++i) {
1301                                                 p->setArgumentIdx(i);
1302                                                 mathedValidate(features, p);
1303                                         }
1304                                 }
1305                         } else {
1306                                 MathedInset * p = it.GetInset();
1307                                 if (!features.boldsymbol && p->GetName() == "boldsymbol") {
1308                                         features.boldsymbol = true;
1309                                 }
1310                         }
1311                 }
1312                 it.Next();
1313         }
1314 }
1315
1316
1317 int mathed_write(MathParInset * p, ostream & os,
1318                  bool fragile, string const & label)
1319 {
1320         number_of_newlines = 0;
1321         short mathed_env = p->GetType();
1322
1323         if (mathed_env == LM_OT_MIN) {
1324                 if (fragile) os << "\\protect";
1325                 os << "\\( "; // changed from " \\( " (Albrecht Dress)
1326         } else {
1327                 if (mathed_env == LM_OT_PAR){
1328                         os << "\\[\n";
1329                 } else {
1330                         os << "\\begin{"
1331                            << latex_mathenv[mathed_env]
1332                            << "}";
1333                         if (is_multicolumn(mathed_env)) {
1334                                 if (mathed_env != LM_OT_ALIGNAT
1335                                     && mathed_env != LM_OT_ALIGNATN)
1336                                         os << "%";
1337                                 os << "{" << p->GetColumns()/2 << "}";
1338                         }
1339                         os << "\n";
1340                 }
1341                 ++number_of_newlines;
1342         }
1343
1344         if (!label.empty() && label[0] > ' '
1345             && is_singlely_numbered(mathed_env)) {
1346                 os << "\\label{"
1347                    << label
1348                    << "}\n";
1349                 ++number_of_newlines;
1350         }
1351
1352         p->Write(os, fragile);
1353
1354         if (mathed_env == LM_OT_MIN){
1355                 if (fragile) os << "\\protect";
1356                 os << " \\)";
1357         } else if (mathed_env == LM_OT_PAR) {
1358                 os << "\\]\n";
1359                 ++number_of_newlines;
1360         } else {
1361                 os << "\n\\end{"
1362                    << latex_mathenv[mathed_env]
1363                    << "}\n";
1364                 number_of_newlines += 2;
1365         }
1366         return number_of_newlines;
1367 }
1368
1369 } // namespace anon
1370
1371
1372 /* FIXME: math-greek-toggle seems to work OK, but math-greek doesn't turn
1373  * on greek mode */
1374 bool math_insert_greek(BufferView * bv, char c)
1375 {
1376         if (bv->available() &&
1377             (('A' <= c && c <= 'Z') ||
1378              ('a'<= c && c<= 'z')))   {
1379                 string tmp;
1380                 tmp = c;
1381                 if (!bv->theLockingInset() || bv->theLockingInset()->IsTextInset()) {
1382                         int greek_kb_flag_save = greek_kb_flag;
1383                         InsetFormula * new_inset = new InsetFormula();
1384                         bv->beforeChange(bv->text);
1385                         if (!bv->insertInset(new_inset)) {
1386                                 delete new_inset;
1387                                 return false;
1388                         }
1389 //       Update(1);//BUG
1390                         new_inset->Edit(bv, 0, 0, 0);
1391                         new_inset->LocalDispatch(bv, LFUN_SELFINSERT, tmp);
1392                         if (greek_kb_flag_save < 2) {
1393                                 bv->unlockInset(new_inset); // bv->theLockingInset());
1394                                 bv->text->CursorRight(bv, true);
1395                         }
1396                 } else
1397                         if (bv->theLockingInset()->LyxCode() == Inset::MATH_CODE ||
1398                             bv->theLockingInset()->LyxCode() == Inset::MATHMACRO_CODE)
1399                                 static_cast<InsetFormula*>(bv->theLockingInset())->LocalDispatch(bv, LFUN_SELFINSERT, tmp);
1400                         else
1401                                 lyxerr << "Math error: attempt to write on a wrong "
1402                                         "class of inset." << endl;
1403                 return true;
1404         }
1405         return false;
1406 }