src/mathed/formulabase.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 #include <fstream>
  18
  19 #include "Lsstream.h"
  20
  21 #ifdef __GNUG__
  22 #pragma implementation
  23 #endif
  24
  25 #include "formula.h"
  26 #include "formulamacro.h"
  27 #include "commandtags.h"
  28 #include "math_cursor.h"
  29 #include "math_parser.h"
  30 #include "BufferView.h"
  31 #include "lyxtext.h"
  32 #include "lyxfunc.h"
  33 #include "gettext.h"
  34 #include "LaTeXFeatures.h"
  35 #include "debug.h"
  36 #include "support.h"
  37 #include "support/lstrings.h"
  38 #include "LyXView.h"
  39 #include "Painter.h"
  40 #include "font.h"
  41 #include "math_arrayinset.h"
  42 #include "math_spaceinset.h"
  43 #include "math_macrotable.h"
  44 #include "math_factory.h"
  45 #include "support/lyxlib.h"
  46 #include "undo_funcs.h"
  47
  48 using std::endl;
  49 using std::ostream;
  50 using std::vector;
  51
  52 extern char const * latex_mathenv[];
  53 MathCursor        * mathcursor = 0;
  54
  55
  56 namespace {
  57
  58
  59 // local global
  60 int sel_x;
  61 int sel_y;
  62 bool sel_flag;
  63
  64 void mathed_init_fonts();
  65
  66 string nicelabel(string const & label)
  67 {
  68         return "(" + (label.empty() ? "#" : label) + ")";
  69 }
  70
  71 void handleFont(BufferView * bv, MathTextCodes t)
  72 {
  73         if (mathcursor->selection())
  74                 bv->lockedInsetStoreUndo(Undo::EDIT);
  75         mathcursor->handleFont(t);
  76 }
  77
  78
  79 void handleAccent(BufferView * bv, string const & name)
  80 {
  81         bv->lockedInsetStoreUndo(Undo::EDIT);
  82         mathcursor->insert(createMathInset(name));
  83 }
  84
  85
  86 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  87 {
  88         LyXText * lt = bv->getLyXText();
  89
  90         bv->beforeChange(lt);
  91         finishUndo();
  92         if (!bv->insertInset(new_inset)) {
  93                 delete new_inset;
  94                 return false;
  95         }
  96         new_inset->edit(bv, 0, 0, 0);
  97         return true;
  98 }
  99
 100
 101 // returns the nearest enclosing grid
 102 MathArrayInset * matrixpar(int & idx)
 103 {
 104         idx = 0;
 105         return (mathcursor ? mathcursor->enclosingArray(idx) : 0);
 106 }
 107
 108
 109 } // namespace anon
 110
 111
 112
 113 InsetFormulaBase::InsetFormulaBase()
 114 {
 115 #ifdef WITH_WARNINGS
 116 #warning This is needed as long the math parser is not re-entrant
 117 #endif
 118         MathMacroTable::builtinMacros();
 119         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
 120 }
 121
 122
 123 void InsetFormulaBase::read(Buffer const *, LyXLex & lex)
 124 {
 125         read(lex);
 126 }
 127
 128
 129 void InsetFormulaBase::write(Buffer const *, ostream & os) const
 130 {
 131         write(os);
 132 }
 133
 134
 135 int InsetFormulaBase::latex(Buffer const *, ostream & os,
 136         bool fragile, bool spacing) const
 137 {
 138         return latex(os, fragile, spacing);
 139 }
 140
 141
 142 int InsetFormulaBase::ascii(Buffer const *, ostream & os, int spacing) const
 143 {
 144         return ascii(os, spacing);
 145 }
 146
 147
 148 int InsetFormulaBase::linuxdoc(Buffer const *, ostream & os) const
 149 {
 150         return linuxdoc(os);
 151 }
 152
 153
 154 int InsetFormulaBase::docbook(Buffer const *, ostream & os) const
 155 {
 156         return docbook(os);
 157 }
 158
 159
 160
 161 // Check if uses AMS macros
 162 void InsetFormulaBase::validate(LaTeXFeatures &) const
 163 {}
 164
 165
 166 string const InsetFormulaBase::editMessage() const
 167 {
 168         return _("Math editor mode");
 169 }
 170
 171
 172 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
 173 {
 174         mathcursor = new MathCursor(this);
 175
 176         if (!bv->lockInset(this))
 177                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 178
 179         metrics();
 180         // if that is removed, we won't get the magenta box when entering an
 181         // inset for the first time
 182         bv->updateInset(this, false);
 183         if (x == 0)
 184                 mathcursor->first();
 185         else
 186                 mathcursor->last();
 187         sel_x = 0;
 188         sel_y = 0;
 189         sel_flag = false;
 190 }
 191
 192
 193 void InsetFormulaBase::edit(BufferView * bv, bool front)
 194 {
 195         // looks hackish but seems to work
 196         edit(bv, front ? 0 : 1, 0, 0);
 197 }
 198
 199
 200 void InsetFormulaBase::insetUnlock(BufferView * bv)
 201 {
 202         if (mathcursor) {
 203                 if (mathcursor->inMacroMode()) {
 204                         mathcursor->macroModeClose();
 205                         updateLocal(bv, true);
 206                 }
 207                 delete mathcursor;
 208                 mathcursor = 0;
 209         }
 210         bv->updateInset(this, false);
 211 }
 212
 213
 214 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 215 {
 216         mathcursor->getPos(x, y);
 217         x -= par()->xo();
 218         y -= par()->yo();
 219         y -= 3;
 220 }
 221
 222
 223 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 224 {
 225         if (!mathcursor)
 226                 return;
 227
 228         if (isCursorVisible())
 229                 bv->hideLockedInsetCursor();
 230         else {
 231                 int x;
 232                 int y;
 233                 mathcursor->getPos(x, y);
 234                 //x -= par()->xo();
 235                 y -= par()->yo();
 236                 y -= 3;
 237                 int asc;
 238                 int des;
 239                 math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, des);
 240                 bv->showLockedInsetCursor(x, y, asc, des);
 241         }
 242
 243         toggleCursorVisible();
 244 }
 245
 246
 247 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 248 {
 249         if (!isCursorVisible()) {
 250                 if (mathcursor) {
 251                         int x;
 252                         int y;
 253                         mathcursor->getPos(x, y);
 254                         x -= par()->xo();
 255                         y -= par()->yo();
 256                         int asc;
 257                         int des;
 258                         math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, des);
 259                         bv->fitLockedInsetCursor(x, y, asc, des);
 260                 }
 261                 toggleInsetCursor(bv);
 262         }
 263 }
 264
 265
 266 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 267 {
 268         if (isCursorVisible())
 269                 toggleInsetCursor(bv);
 270 }
 271
 272
 273 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 274 {
 275         if (mathcursor)
 276                 bv->updateInset(this, false);
 277 }
 278
 279
 280 vector<string> const InsetFormulaBase::getLabelList() const
 281 {
 282   return std::vector<string>();
 283 }
 284
 285
 286 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 287 {
 288         metrics();
 289         bv->updateInset(this, dirty);
 290 }
 291
 292
 293 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
 294                                           int x, int y, int /*button*/)
 295 {
 296         if (mathcursor) {
 297                 hideInsetCursor(bv);
 298                 x += par()->xo();
 299                 y += par()->yo();
 300                 mathcursor->setPos(x, y);
 301                 showInsetCursor(bv);
 302                 if (sel_flag) {
 303                         sel_flag = false;
 304                         sel_x = 0;
 305                         sel_y = 0;
 306                 }
 307                 bv->updateInset(this, false);
 308         }
 309 }
 310
 311
 312 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 313                                         int x, int y, int /*button*/)
 314 {
 315         sel_flag = false;
 316         sel_x = x;
 317         sel_y = y;
 318         if (mathcursor && mathcursor->selection()) {
 319                 mathcursor->selClear();
 320                 bv->updateInset(this, false);
 321         }
 322 }
 323
 324
 325 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 326                                          int x, int y, int /*button*/)
 327 {
 328         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
 329                 sel_flag = true;
 330                 hideInsetCursor(bv);
 331                 mathcursor->setPos(sel_x + par()->xo(), sel_y + par()->yo());
 332                 mathcursor->selStart();
 333                 showInsetCursor(bv);
 334                 mathcursor->getPos(sel_x, sel_y);
 335         } else if (sel_flag) {
 336                 hideInsetCursor(bv);
 337                 x += par()->xo();
 338                 y += par()->yo();
 339                 mathcursor->setPos(x, y);
 340                 showInsetCursor(bv);
 341                 mathcursor->getPos(x, y);
 342                 if (sel_x != x || sel_y != y)
 343                         bv->updateInset(this, false);
 344                 sel_x = x;
 345                 sel_y = y;
 346         }
 347 }
 348
 349
 350 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 351 {
 352         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 353 }
 354
 355
 356 int greek_kb_flag = 0;
 357
 358 UpdatableInset::RESULT
 359 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 360                             string const & arg)
 361 {
 362         //lyxerr << "InsetFormulaBase::LocalDispatch: act: " << action
 363         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 364
 365
 366         if (!mathcursor)
 367                 return UNDISPATCHED;
 368
 369         RESULT result      = DISPATCHED;
 370         bool sel           = false;
 371         bool was_macro     = mathcursor->inMacroMode();
 372         bool was_selection = mathcursor->selection();
 373
 374         hideInsetCursor(bv);
 375
 376         mathcursor->normalize();
 377
 378         switch (action) {
 379
 380                 // --- Cursor Movements ---------------------------------------------
 381
 382         case LFUN_RIGHTSEL:
 383                 sel = true; // fall through...
 384
 385         case LFUN_RIGHT:
 386                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 387                 updateLocal(bv, false);
 388                 break;
 389
 390
 391         case LFUN_LEFTSEL:
 392                 sel = true; // fall through
 393
 394         case LFUN_LEFT:
 395                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 396                 updateLocal(bv, false);
 397                 break;
 398
 399
 400         case LFUN_UPSEL:
 401                 sel = true;
 402
 403         case LFUN_UP:
 404                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 405                 updateLocal(bv, false);
 406                 break;
 407
 408
 409         case LFUN_DOWNSEL:
 410                 sel = true;
 411
 412         case LFUN_DOWN:
 413                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 414                 updateLocal(bv, false);
 415                 break;
 416
 417         case LFUN_HOMESEL:
 418                 sel = true;
 419
 420         case LFUN_HOME:
 421                 mathcursor->home(sel);
 422                 updateLocal(bv, false);
 423                 break;
 424
 425         case LFUN_ENDSEL:
 426                 sel = true;
 427
 428         case LFUN_END:
 429                 mathcursor->end(sel);
 430                 updateLocal(bv, false);
 431                 break;
 432
 433         case LFUN_DELETE_LINE_FORWARD:
 434                 bv->lockedInsetStoreUndo(Undo::DELETE);
 435                 mathcursor->delLine();
 436                 updateLocal(bv, true);
 437                 break;
 438
 439         case LFUN_TAB:
 440                 mathcursor->idxNext();
 441                 updateLocal(bv, false);
 442                 break;
 443
 444         case LFUN_SHIFT_TAB:
 445                 mathcursor->idxPrev();
 446                 updateLocal(bv, false);
 447                 break;
 448
 449         case LFUN_TABINSERT:
 450                 bv->lockedInsetStoreUndo(Undo::EDIT);
 451                 mathcursor->splitCell();
 452                 updateLocal(bv, true);
 453                 break;
 454
 455         case LFUN_BACKSPACE:
 456                 bv->lockedInsetStoreUndo(Undo::DELETE);
 457                 mathcursor->backspace();
 458                 bv->updateInset(this, true);
 459                 break;
 460
 461         case LFUN_DELETE:
 462                 bv->lockedInsetStoreUndo(Undo::DELETE);
 463                 mathcursor->erase();
 464                 bv->updateInset(this, true);
 465                 break;
 466
 467                 //    case LFUN_GETXY:
 468                 //      sprintf(dispatch_buffer, "%d %d",);
 469                 //      dispatch_result = dispatch_buffer;
 470                 //      break;
 471         case LFUN_SETXY: {
 472                 lyxerr << "LFUN_SETXY broken!\n";
 473                 int x;
 474                 int y;
 475                 int x1;
 476                 int y1;
 477                 istringstream is(arg.c_str());
 478                 is >> x >> y;
 479                 par()->getXY(x1, y1);
 480                 mathcursor->setPos(x1 + x, y1 + y);
 481                 updateLocal(bv, false);
 482                 break;
 483         }
 484
 485         case LFUN_PASTE:
 486                 if (was_macro)
 487                         mathcursor->macroModeClose();
 488                 bv->lockedInsetStoreUndo(Undo::INSERT);
 489                 mathcursor->selPaste();
 490                 updateLocal(bv, true);
 491                 break;
 492
 493         case LFUN_CUT:
 494                 bv->lockedInsetStoreUndo(Undo::DELETE);
 495                 mathcursor->selCut();
 496                 updateLocal(bv, true);
 497                 break;
 498
 499         case LFUN_COPY:
 500                 mathcursor->selCopy();
 501                 break;
 502
 503         case LFUN_WORDRIGHTSEL:
 504         case LFUN_WORDLEFTSEL:
 505                 break;
 506
 507                 // --- accented characters ------------------------------
 508
 509         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
 510         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
 511         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
 512         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
 513         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
 514         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
 515         case LFUN_DOT:          handleAccent(bv, "dot"); break;
 516         case LFUN_CARON:        handleAccent(bv, "check"); break;
 517         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
 518         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
 519
 520         //  Math fonts
 521         case LFUN_GREEK:        handleFont(bv, LM_TC_GREEK1); break;
 522         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
 523         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
 524         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
 525         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
 526         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
 527         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
 528         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
 529         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
 530
 531         case LFUN_MATH_MODE:
 532                 handleFont(bv, LM_TC_TEXTRM);
 533                 //bv->owner()->message(_("math text mode toggled"));
 534                 break;
 535
 536         case LFUN_MATH_LIMITS:
 537                 bv->lockedInsetStoreUndo(Undo::INSERT);
 538                 if (mathcursor->toggleLimits())
 539                         updateLocal(bv, true);
 540                 break;
 541
 542         case LFUN_MATH_SIZE:
 543                 if (!arg.empty()) {
 544                         bv->lockedInsetStoreUndo(Undo::INSERT);
 545                         latexkeys const * l = in_word_set(arg);
 546                         mathcursor->setSize(MathStyles(l ? l->id : static_cast<unsigned int>(-1)));
 547                         updateLocal(bv, true);
 548                 }
 549                 break;
 550
 551         case LFUN_INSERT_MATRIX:
 552                 if (!arg.empty()) {
 553                         bv->lockedInsetStoreUndo(Undo::INSERT);
 554                         mathcursor->interpret("matrix " + arg);
 555                         updateLocal(bv, true);
 556                 }
 557                 break;
 558
 559         case LFUN_MATH_SPACE:
 560         {
 561                 bv->lockedInsetStoreUndo(Undo::EDIT);
 562                 //MathSpaceInset * p = mathcursor->prevSpaceInset();
 563                 //if (p)
 564                 //      p->incSpace();
 565                 //else
 566                 //      mathcursor->insert(new MathSpaceInset(1));
 567                 mathcursor->insert(new MathSpaceInset(1));
 568                 updateLocal(bv, true);
 569                 break;
 570         }
 571
 572         case LFUN_MATH_DELIM:
 573         {
 574                 bv->lockedInsetStoreUndo(Undo::INSERT);
 575                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 576                 string ls;
 577                 string rs;
 578                 istringstream is(arg.c_str());
 579                 is >> ls >> rs;
 580                 latexkeys const * l = in_word_set(ls);
 581                 latexkeys const * r = in_word_set(rs);
 582                 if (!is || !l || !r) {
 583                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
 584                         break;
 585                 }
 586                 bv->lockedInsetStoreUndo(Undo::EDIT);
 587                 mathcursor->handleDelim(l, r);
 588                 updateLocal(bv, true);
 589                 break;
 590         }
 591
 592         case LFUN_PROTECTEDSPACE:
 593                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 594                 bv->lockedInsetStoreUndo(Undo::INSERT);
 595                 mathcursor->insert(new MathSpaceInset(1));
 596                 updateLocal(bv, true);
 597                 break;
 598
 599         case LFUN_UNDO:
 600                 bv->owner()->message(_("Invalid action in math mode!"));
 601                 break;
 602
 603
 604         case LFUN_MATH_HALIGN:
 605         {
 606                 bv->lockedInsetStoreUndo(Undo::INSERT);
 607                 lyxerr << "handling halign '" << arg << "'\n";
 608                 int idx;
 609                 MathArrayInset * p = matrixpar(idx);
 610                 if (!p)
 611                         break;
 612                 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
 613                 updateLocal(bv, true);
 614                 break;
 615         }
 616
 617         case LFUN_MATH_VALIGN:
 618         {
 619                 bv->lockedInsetStoreUndo(Undo::INSERT);
 620                 lyxerr << "handling valign '" << arg << "'\n";
 621                 int idx;
 622                 MathArrayInset * p = matrixpar(idx);
 623                 if (!p)
 624                         break;
 625                 p->valign(arg.size() ? arg[0] : 'c');
 626                 updateLocal(bv, true);
 627                 break;
 628         }
 629
 630         case LFUN_MATH_ROW_INSERT:
 631         {
 632                 bv->lockedInsetStoreUndo(Undo::INSERT);
 633                 int idx;
 634                 MathArrayInset * p = matrixpar(idx);
 635                 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
 636                 if (!p)
 637                         break;
 638                 p->addRow(p->row(idx));
 639                 updateLocal(bv, true);
 640                 break;
 641         }
 642
 643         case LFUN_MATH_ROW_DELETE:
 644         {
 645                 bv->lockedInsetStoreUndo(Undo::INSERT);
 646                 int idx;
 647                 MathArrayInset * p = matrixpar(idx);
 648                 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
 649                 if (!p)
 650                         break;
 651                 p->delRow(p->row(idx));
 652                 updateLocal(bv, true);
 653                 break;
 654         }
 655
 656         case LFUN_MATH_COLUMN_INSERT:
 657         {
 658                 bv->lockedInsetStoreUndo(Undo::INSERT);
 659                 int idx;
 660                 MathArrayInset * p = matrixpar(idx);
 661                 if (!p)
 662                         break;
 663                 p->addCol(p->col(idx));
 664                 updateLocal(bv, true);
 665                 break;
 666         }
 667
 668         case LFUN_MATH_COLUMN_DELETE:
 669         {
 670                 bv->lockedInsetStoreUndo(Undo::INSERT);
 671                 int idx;
 672                 MathArrayInset * p = matrixpar(idx);
 673                 if (!p)
 674                         break;
 675                 p->delCol(p->col(idx));
 676                 updateLocal(bv, true);
 677                 break;
 678         }
 679
 680         case LFUN_EXEC_COMMAND:
 681                 result = UNDISPATCHED;
 682                 break;
 683
 684         case -1:
 685         case LFUN_INSERT_MATH:
 686         case LFUN_SELFINSERT:
 687                 if (!arg.empty()) {
 688                         bv->lockedInsetStoreUndo(Undo::INSERT);
 689                         mathcursor->interpret(arg);
 690                         updateLocal(bv, true);
 691                 }
 692                 break;
 693
 694         case LFUN_MATH_PANEL:
 695                 result = UNDISPATCHED;
 696                 break;
 697
 698         default:
 699                 lyxerr << "Closed by action " << action << endl;
 700                 result = FINISHED_RIGHT;
 701         }
 702
 703         mathcursor->normalize();
 704
 705         if (was_macro != mathcursor->inMacroMode()
 706                                 && action >= 0 && action != LFUN_BACKSPACE)
 707                 updateLocal(bv, true);
 708
 709         if (mathcursor->selection() || was_selection)
 710                 toggleInsetSelection(bv);
 711
 712         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 713             result == UNDISPATCHED)
 714                 showInsetCursor(bv);
 715         else
 716                 bv->unlockInset(this);
 717
 718         return result;  // original version
 719 }
 720
 721
 722 Inset::Code InsetFormulaBase::lyxCode() const
 723 {
 724         return Inset::MATH_CODE;
 725 }
 726
 727
 728 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 729 {
 730         if (bv->available()) {
 731                 // use selection if available..
 732                 //string sel;
 733                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 734                 //      sel = "";
 735                 //else
 736
 737                 string sel = bv->getLyXText()->selectionAsString(bv->buffer());
 738
 739                 InsetFormulaBase * f;
 740                 if (sel.empty()) {
 741                                 f = new InsetFormula;
 742                                 if (openNewInset(bv, f)) {
 743                                         // don't do that also for LFUN_MATH_MODE unless you want end up with
 744                                         // always changing to mathrm when opening an inlined inset
 745                                         // -- I really hate "LyXfunc overloading"...
 746                                         if (display)
 747                                                 f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 748                                         f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 749                                 }
 750                 } else {
 751                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 752                         // formula otherwise
 753                         if (sel.find("\\newcommand") == string::npos)
 754                                 f = new InsetFormula(sel);
 755                         else
 756                                 f = new InsetFormulaMacro(sel);
 757                         bv->getLyXText()->cutSelection(bv);
 758                         openNewInset(bv, f);
 759                 }
 760         }
 761         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 762 }
 763
 764
 765 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 766 {
 767         mathDispatchCreation(bv, arg, true);
 768 }
 769
 770
 771 void mathDispatchMathMode(BufferView * bv, string const & arg)
 772 {
 773         mathDispatchCreation(bv, arg, false);
 774 }
 775
 776
 777 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 778 {
 779         mathDispatchCreation(bv, arg, true);
 780 }
 781
 782
 783 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 784 {
 785         if (bv->available()) {
 786                 if (arg.empty())
 787                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 788                 else {
 789                         string s(arg);
 790                         string const s1 = token(s, ' ', 1);
 791                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 792                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 793                 }
 794         }
 795 }
 796
 797
 798 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 799 {
 800         if (bv->available()) {
 801                 if (openNewInset(bv, new InsetFormula))
 802                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 803         }
 804 }
 805
 806
 807 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 808 {
 809         if (bv->available()) {
 810                 if (openNewInset(bv, new InsetFormula))
 811                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 812         }
 813 }
 814
 815
 816 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 817 {
 818         if (bv->available()) {
 819                 if (arg.size() && arg[0] == '\\')
 820                         openNewInset(bv, new InsetFormula(arg));
 821                 else
 822                         mathDispatchMathMode(bv, arg);
 823         }
 824 }
 825
 826
 827 void mathDispatchGreek(BufferView * bv, string const & arg)
 828 {
 829         if (bv->available()) {
 830                 InsetFormula * f = new InsetFormula;
 831                 if (openNewInset(bv, f)) {
 832                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, string());
 833                         bv->theLockingInset()->localDispatch(bv, LFUN_SELFINSERT, arg);
 834                         bv->unlockInset(f);
 835                 }
 836         }
 837 }
 838