src/mathed/formulabase.C

   1 /*
   2 *  File:        formulabase.C
   3 *  Purpose:     Implementation of common parts of the LyX  math insets
   4 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
   5 *  Created:     January 1996
   6 *
   7 *  Copyright: 1996-1998 Alejandro Aguilar Sierra
   8 *
   9 *  Version: 0.4, Lyx project.
  10 *
  11 *   You are free to use and modify this code under the terms of
  12 *   the GNU General Public Licence version 2 or later.
  13 */
  14
  15 #include <config.h>
  16 #include <fstream>
  17
  18 #include "Lsstream.h"
  19
  20 #ifdef __GNUG__
  21 #pragma implementation
  22 #endif
  23
  24 #include "formula.h"
  25 #include "formulamacro.h"
  26 #include "commandtags.h"
  27 #include "math_cursor.h"
  28 #include "math_parser.h"
  29 #include "BufferView.h"
  30 #include "lyxtext.h"
  31 #include "lyxfunc.h"
  32 #include "gettext.h"
  33 #include "LaTeXFeatures.h"
  34 #include "debug.h"
  35 #include "support.h"
  36 #include "support/lstrings.h"
  37 #include "LyXView.h"
  38 #include "Painter.h"
  39 #include "font.h"
  40 #include "math_arrayinset.h"
  41 #include "math_spaceinset.h"
  42 #include "math_macrotable.h"
  43 #include "math_factory.h"
  44 #include "support/lyxlib.h"
  45 #include "undo_funcs.h"
  46
  47 using std::endl;
  48 using std::ostream;
  49 using std::vector;
  50
  51 extern char const * latex_mathenv[];
  52 MathCursor        * mathcursor = 0;
  53
  54
  55 namespace {
  56
  57
  58 // local global
  59 int sel_x;
  60 int sel_y;
  61 bool sel_flag;
  62
  63 void handleFont(BufferView * bv, MathTextCodes t)
  64 {
  65         if (mathcursor->selection())
  66                 bv->lockedInsetStoreUndo(Undo::EDIT);
  67         mathcursor->handleFont(t);
  68 }
  69
  70
  71 void handleAccent(BufferView * bv, string const & name)
  72 {
  73         bv->lockedInsetStoreUndo(Undo::EDIT);
  74         mathcursor->insert(createMathInset(name));
  75 }
  76
  77
  78 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  79 {
  80         LyXText * lt = bv->getLyXText();
  81
  82         bv->beforeChange(lt);
  83         finishUndo();
  84         if (!bv->insertInset(new_inset)) {
  85                 delete new_inset;
  86                 return false;
  87         }
  88         new_inset->edit(bv, 0, 0, 0);
  89         return true;
  90 }
  91
  92
  93 // returns the nearest enclosing grid
  94 MathArrayInset * matrixpar(MathInset::idx_type & idx)
  95 {
  96         idx = 0;
  97         return (mathcursor ? mathcursor->enclosingArray(idx) : 0);
  98 }
  99
 100
 101 } // namespace anon
 102
 103
 104
 105 InsetFormulaBase::InsetFormulaBase()
 106 {
 107         // This is needed as long the math parser is not re-entrant
 108         MathMacroTable::builtinMacros();
 109         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
 110 }
 111
 112
 113 // Check if uses AMS macros
 114 void InsetFormulaBase::validate(LaTeXFeatures &) const
 115 {}
 116
 117
 118 string const InsetFormulaBase::editMessage() const
 119 {
 120         return _("Math editor mode");
 121 }
 122
 123
 124 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
 125 {
 126         if (!bv->lockInset(this))
 127                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 128
 129         mathcursor = new MathCursor(this, x == 0);
 130         metrics();
 131         // if that is removed, we won't get the magenta box when entering an
 132         // inset for the first time
 133         bv->updateInset(this, false);
 134         sel_x = 0;
 135         sel_y = 0;
 136         sel_flag = false;
 137 }
 138
 139
 140 void InsetFormulaBase::edit(BufferView * bv, bool front)
 141 {
 142         // looks hackish but seems to work
 143         edit(bv, front ? 0 : 1, 0, 0);
 144 }
 145
 146
 147 void InsetFormulaBase::insetUnlock(BufferView * bv)
 148 {
 149         if (mathcursor) {
 150                 if (mathcursor->inMacroMode()) {
 151                         mathcursor->macroModeClose();
 152                         updateLocal(bv, true);
 153                 }
 154                 delete mathcursor;
 155                 mathcursor = 0;
 156         }
 157         bv->updateInset(this, false);
 158 }
 159
 160
 161 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 162 {
 163         mathcursor->getPos(x, y);
 164         x -= par()->xo();
 165         y -= par()->yo();
 166         y -= 3;
 167 }
 168
 169
 170 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 171 {
 172         if (!mathcursor)
 173                 return;
 174
 175         if (isCursorVisible())
 176                 bv->hideLockedInsetCursor();
 177         else {
 178                 int x;
 179                 int y;
 180                 mathcursor->getPos(x, y);
 181                 //x -= par()->xo();
 182                 y -= par()->yo();
 183                 y -= 3;
 184                 int asc;
 185                 int des;
 186                 math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, des);
 187                 bv->showLockedInsetCursor(x, y, asc, des);
 188         }
 189
 190         toggleCursorVisible();
 191 }
 192
 193
 194 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 195 {
 196         if (!isCursorVisible()) {
 197                 if (mathcursor) {
 198                         int x;
 199                         int y;
 200                         mathcursor->getPos(x, y);
 201                         x -= par()->xo();
 202                         y -= par()->yo();
 203                         int asc;
 204                         int des;
 205                         math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, des);
 206                         bv->fitLockedInsetCursor(x, y, asc, des);
 207                 }
 208                 toggleInsetCursor(bv);
 209         }
 210 }
 211
 212
 213 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 214 {
 215         if (isCursorVisible())
 216                 toggleInsetCursor(bv);
 217 }
 218
 219
 220 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 221 {
 222         if (mathcursor)
 223                 bv->updateInset(this, false);
 224 }
 225
 226
 227 vector<string> const InsetFormulaBase::getLabelList() const
 228 {
 229   return std::vector<string>();
 230 }
 231
 232
 233 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 234 {
 235         metrics();
 236         bv->updateInset(this, dirty);
 237 }
 238
 239
 240 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
 241                                           int x, int y, int /*button*/)
 242 {
 243         if (mathcursor) {
 244                 hideInsetCursor(bv);
 245                 x += par()->xo();
 246                 y += par()->yo();
 247                 mathcursor->setPos(x, y);
 248                 showInsetCursor(bv);
 249                 if (sel_flag) {
 250                         sel_flag = false;
 251                         sel_x = 0;
 252                         sel_y = 0;
 253                 }
 254                 bv->updateInset(this, false);
 255         }
 256 }
 257
 258
 259 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 260                                         int x, int y, int /*button*/)
 261 {
 262         sel_flag = false;
 263         sel_x = x;
 264         sel_y = y;
 265         if (mathcursor && mathcursor->selection()) {
 266                 mathcursor->selClear();
 267                 bv->updateInset(this, false);
 268         }
 269 }
 270
 271
 272 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 273                                          int x, int y, int /*button*/)
 274 {
 275         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
 276                 sel_flag = true;
 277                 hideInsetCursor(bv);
 278                 mathcursor->setPos(sel_x + par()->xo(), sel_y + par()->yo());
 279                 mathcursor->selStart();
 280                 showInsetCursor(bv);
 281                 mathcursor->getPos(sel_x, sel_y);
 282         } else if (sel_flag) {
 283                 hideInsetCursor(bv);
 284                 x += par()->xo();
 285                 y += par()->yo();
 286                 mathcursor->setPos(x, y);
 287                 showInsetCursor(bv);
 288                 mathcursor->getPos(x, y);
 289                 if (sel_x != x || sel_y != y)
 290                         bv->updateInset(this, false);
 291                 sel_x = x;
 292                 sel_y = y;
 293         }
 294 }
 295
 296
 297 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 298 {
 299         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 300 }
 301
 302
 303 UpdatableInset::RESULT
 304 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 305                             string const & arg)
 306 {
 307         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 308         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 309
 310         if (!mathcursor)
 311                 return UNDISPATCHED;
 312
 313         RESULT result      = DISPATCHED;
 314         bool sel           = false;
 315         bool was_macro     = mathcursor->inMacroMode();
 316         bool was_selection = mathcursor->selection();
 317
 318         hideInsetCursor(bv);
 319
 320         mathcursor->normalize();
 321
 322         switch (action) {
 323
 324                 // --- Cursor Movements ---------------------------------------------
 325
 326         case LFUN_RIGHTSEL:
 327                 sel = true; // fall through...
 328
 329         case LFUN_RIGHT:
 330                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 331                 updateLocal(bv, false);
 332                 break;
 333
 334
 335         case LFUN_LEFTSEL:
 336                 sel = true; // fall through
 337
 338         case LFUN_LEFT:
 339                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 340                 updateLocal(bv, false);
 341                 break;
 342
 343
 344         case LFUN_UPSEL:
 345                 sel = true;
 346
 347         case LFUN_UP:
 348                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 349                 updateLocal(bv, false);
 350                 break;
 351
 352
 353         case LFUN_DOWNSEL:
 354                 sel = true;
 355
 356         case LFUN_DOWN:
 357                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 358                 updateLocal(bv, false);
 359                 break;
 360
 361         case LFUN_HOMESEL:
 362                 sel = true;
 363
 364         case LFUN_HOME:
 365                 mathcursor->home(sel);
 366                 updateLocal(bv, false);
 367                 break;
 368
 369         case LFUN_ENDSEL:
 370                 sel = true;
 371
 372         case LFUN_END:
 373                 mathcursor->end(sel);
 374                 updateLocal(bv, false);
 375                 break;
 376
 377         case LFUN_DELETE_LINE_FORWARD:
 378                 bv->lockedInsetStoreUndo(Undo::DELETE);
 379                 mathcursor->delLine();
 380                 updateLocal(bv, true);
 381                 break;
 382
 383         case LFUN_TAB:
 384                 mathcursor->idxNext();
 385                 updateLocal(bv, false);
 386                 break;
 387
 388         case LFUN_SHIFT_TAB:
 389                 mathcursor->idxPrev();
 390                 updateLocal(bv, false);
 391                 break;
 392
 393         case LFUN_TABINSERT:
 394                 bv->lockedInsetStoreUndo(Undo::EDIT);
 395                 mathcursor->splitCell();
 396                 updateLocal(bv, true);
 397                 break;
 398
 399         case LFUN_BACKSPACE:
 400                 bv->lockedInsetStoreUndo(Undo::DELETE);
 401                 mathcursor->backspace();
 402                 bv->updateInset(this, true);
 403                 break;
 404
 405         case LFUN_DELETE:
 406                 bv->lockedInsetStoreUndo(Undo::DELETE);
 407                 mathcursor->erase();
 408                 bv->updateInset(this, true);
 409                 break;
 410
 411                 //    case LFUN_GETXY:
 412                 //      sprintf(dispatch_buffer, "%d %d",);
 413                 //      dispatch_result = dispatch_buffer;
 414                 //      break;
 415         case LFUN_SETXY: {
 416                 lyxerr << "LFUN_SETXY broken!\n";
 417                 int x;
 418                 int y;
 419                 int x1;
 420                 int y1;
 421                 istringstream is(arg.c_str());
 422                 is >> x >> y;
 423                 par()->getXY(x1, y1);
 424                 mathcursor->setPos(x1 + x, y1 + y);
 425                 updateLocal(bv, false);
 426                 break;
 427         }
 428
 429         case LFUN_PASTE:
 430                 if (was_macro)
 431                         mathcursor->macroModeClose();
 432                 bv->lockedInsetStoreUndo(Undo::INSERT);
 433                 mathcursor->selPaste();
 434                 updateLocal(bv, true);
 435                 break;
 436
 437         case LFUN_CUT:
 438                 bv->lockedInsetStoreUndo(Undo::DELETE);
 439                 mathcursor->selCut();
 440                 updateLocal(bv, true);
 441                 break;
 442
 443         case LFUN_COPY:
 444                 mathcursor->selCopy();
 445                 break;
 446
 447         case LFUN_WORDRIGHTSEL:
 448         case LFUN_WORDLEFTSEL:
 449                 break;
 450
 451                 // --- accented characters ------------------------------
 452
 453         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
 454         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
 455         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
 456         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
 457         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
 458         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
 459         case LFUN_DOT:          handleAccent(bv, "dot"); break;
 460         case LFUN_CARON:        handleAccent(bv, "check"); break;
 461         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
 462         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
 463
 464         //  Math fonts
 465         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
 466         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
 467         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
 468         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
 469         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
 470         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
 471         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
 472         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
 473
 474         case LFUN_GREEK:
 475                 handleFont(bv, LM_TC_GREEK1);
 476                 if (arg.size())
 477                         mathcursor->interpret(arg[0]);
 478                 break;
 479
 480         case LFUN_MATH_MODE:
 481                 handleFont(bv, LM_TC_TEXTRM);
 482                 //bv->owner()->message(_("math text mode toggled"));
 483                 break;
 484
 485         case LFUN_MATH_LIMITS:
 486                 bv->lockedInsetStoreUndo(Undo::INSERT);
 487                 if (mathcursor->toggleLimits())
 488                         updateLocal(bv, true);
 489                 break;
 490
 491         case LFUN_MATH_SIZE:
 492                 if (!arg.empty()) {
 493                         bv->lockedInsetStoreUndo(Undo::INSERT);
 494                         latexkeys const * l = in_word_set(arg);
 495                         mathcursor->setSize(MathStyles(l ? l->id : static_cast<unsigned int>(-1)));
 496                         updateLocal(bv, true);
 497                 }
 498                 break;
 499
 500         case LFUN_INSERT_MATRIX:
 501                 if (!arg.empty()) {
 502                         bv->lockedInsetStoreUndo(Undo::INSERT);
 503                         mathcursor->interpret("matrix " + arg);
 504                         updateLocal(bv, true);
 505                 }
 506                 break;
 507
 508         case LFUN_MATH_SPACE:
 509         {
 510                 bv->lockedInsetStoreUndo(Undo::EDIT);
 511                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 512                 updateLocal(bv, true);
 513                 break;
 514         }
 515
 516         case LFUN_MATH_DELIM:
 517         {
 518                 bv->lockedInsetStoreUndo(Undo::INSERT);
 519                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 520                 string ls;
 521                 string rs;
 522                 istringstream is(arg.c_str());
 523                 is >> ls >> rs;
 524                 if (!is) {
 525                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
 526                         break;
 527                 }
 528                 bv->lockedInsetStoreUndo(Undo::EDIT);
 529                 mathcursor->handleDelim(ls, rs);
 530                 updateLocal(bv, true);
 531                 break;
 532         }
 533
 534         case LFUN_PROTECTEDSPACE:
 535                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 536                 bv->lockedInsetStoreUndo(Undo::INSERT);
 537                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 538                 updateLocal(bv, true);
 539                 break;
 540
 541         case LFUN_UNDO:
 542                 bv->owner()->message(_("Invalid action in math mode!"));
 543                 break;
 544
 545
 546         case LFUN_MATH_HALIGN:
 547         {
 548                 bv->lockedInsetStoreUndo(Undo::INSERT);
 549                 lyxerr << "handling halign '" << arg << "'\n";
 550                 MathInset::idx_type idx;
 551                 MathArrayInset * p = matrixpar(idx);
 552                 if (!p)
 553                         break;
 554                 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
 555                 updateLocal(bv, true);
 556                 break;
 557         }
 558
 559         case LFUN_MATH_VALIGN:
 560         {
 561                 bv->lockedInsetStoreUndo(Undo::INSERT);
 562                 lyxerr << "handling valign '" << arg << "'\n";
 563                 MathInset::idx_type idx;
 564                 MathArrayInset * p = matrixpar(idx);
 565                 if (!p)
 566                         break;
 567                 p->valign(arg.size() ? arg[0] : 'c');
 568                 updateLocal(bv, true);
 569                 break;
 570         }
 571
 572         case LFUN_MATH_ROW_INSERT:
 573         {
 574                 bv->lockedInsetStoreUndo(Undo::INSERT);
 575                 MathInset::idx_type idx;
 576                 MathArrayInset * p = matrixpar(idx);
 577                 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
 578                 if (!p)
 579                         break;
 580                 p->addRow(p->row(idx));
 581                 updateLocal(bv, true);
 582                 break;
 583         }
 584
 585         case LFUN_MATH_ROW_DELETE:
 586         {
 587                 bv->lockedInsetStoreUndo(Undo::INSERT);
 588                 MathInset::idx_type idx;
 589                 MathArrayInset * p = matrixpar(idx);
 590                 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
 591                 if (!p)
 592                         break;
 593                 p->delRow(p->row(idx));
 594                 updateLocal(bv, true);
 595                 break;
 596         }
 597
 598         case LFUN_MATH_COLUMN_INSERT:
 599         {
 600                 bv->lockedInsetStoreUndo(Undo::INSERT);
 601                 MathInset::idx_type idx;
 602                 MathArrayInset * p = matrixpar(idx);
 603                 if (!p)
 604                         break;
 605                 p->addCol(p->col(idx));
 606                 updateLocal(bv, true);
 607                 break;
 608         }
 609
 610         case LFUN_MATH_COLUMN_DELETE:
 611         {
 612                 bv->lockedInsetStoreUndo(Undo::INSERT);
 613                 MathInset::idx_type idx;
 614                 MathArrayInset * p = matrixpar(idx);
 615                 if (!p)
 616                         break;
 617                 p->delCol(p->col(idx));
 618                 updateLocal(bv, true);
 619                 break;
 620         }
 621
 622         case LFUN_EXEC_COMMAND:
 623                 result = UNDISPATCHED;
 624                 break;
 625
 626         case -1:
 627         case LFUN_INSERT_MATH:
 628         case LFUN_SELFINSERT:
 629                 if (!arg.empty()) {
 630                         bv->lockedInsetStoreUndo(Undo::INSERT);
 631                         mathcursor->interpret(arg);
 632                         updateLocal(bv, true);
 633                 }
 634                 break;
 635
 636         case LFUN_MATH_PANEL:
 637                 result = UNDISPATCHED;
 638                 break;
 639
 640         default:
 641                 result = UNDISPATCHED;
 642         }
 643
 644         //mathcursor->normalize();
 645
 646         if (was_macro != mathcursor->inMacroMode()
 647                                 && action >= 0 && action != LFUN_BACKSPACE)
 648                 updateLocal(bv, true);
 649
 650         if (mathcursor->selection() || was_selection)
 651                 toggleInsetSelection(bv);
 652
 653         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 654             result == UNDISPATCHED)
 655                 showInsetCursor(bv);
 656         else
 657                 bv->unlockInset(this);
 658
 659         return result;  // original version
 660 }
 661
 662
 663 Inset::Code InsetFormulaBase::lyxCode() const
 664 {
 665         return Inset::MATH_CODE;
 666 }
 667
 668
 669 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 670 {
 671         if (bv->available()) {
 672                 // use selection if available..
 673                 //string sel;
 674                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 675                 //      sel = "";
 676                 //else
 677
 678                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(),
 679                                                                  false);
 680
 681                 InsetFormulaBase * f;
 682                 if (sel.empty()) {
 683                         f = new InsetFormula;
 684                         if (openNewInset(bv, f)) {
 685                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
 686                                 // always changing to mathrm when opening an inlined inset
 687                                 // -- I really hate "LyXfunc overloading"...
 688                                 if (display)
 689                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 690                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 691                         }
 692                 } else {
 693                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 694                         // formula otherwise
 695                         if (sel.find("\\newcommand") == string::npos)
 696                                 f = new InsetFormula(sel);
 697                         else
 698                                 f = new InsetFormulaMacro(sel);
 699                         bv->getLyXText()->cutSelection(bv);
 700                         openNewInset(bv, f);
 701                 }
 702         }
 703         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 704 }
 705
 706
 707 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 708 {
 709         mathDispatchCreation(bv, arg, true);
 710 }
 711
 712
 713 void mathDispatchMathMode(BufferView * bv, string const & arg)
 714 {
 715         mathDispatchCreation(bv, arg, false);
 716 }
 717
 718
 719 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 720 {
 721         mathDispatchCreation(bv, arg, true);
 722 }
 723
 724
 725 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 726 {
 727         if (bv->available()) {
 728                 if (arg.empty())
 729                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 730                 else {
 731                         string s(arg);
 732                         string const s1 = token(s, ' ', 1);
 733                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 734                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 735                 }
 736         }
 737 }
 738
 739
 740 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 741 {
 742         if (bv->available()) {
 743                 if (openNewInset(bv, new InsetFormula))
 744                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 745         }
 746 }
 747
 748
 749 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 750 {
 751         if (bv->available()) {
 752                 if (openNewInset(bv, new InsetFormula))
 753                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 754         }
 755 }
 756
 757
 758 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 759 {
 760         if (bv->available()) {
 761                 if (arg.size() && arg[0] == '\\') {
 762                         InsetFormula * f = new InsetFormula(arg);
 763                         if (!bv->insertInset(f))
 764                                 delete f;
 765                 } else
 766                         mathDispatchMathMode(bv, arg);
 767         }
 768 }
 769
 770
 771 void mathDispatchGreek(BufferView * bv, string const & arg)
 772 {
 773         if (bv->available()) {
 774                 InsetFormula * f = new InsetFormula;
 775                 if (openNewInset(bv, f)) {
 776                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
 777                         bv->unlockInset(f);
 778                 }
 779         }
 780 }
 781