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 #include "support/LAssert.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 "BufferView.h"
  29 #include "lyxtext.h"
  30 #include "lyxfunc.h"
  31 #include "gettext.h"
  32 #include "LaTeXFeatures.h"
  33 #include "debug.h"
  34 #include "math_support.h"
  35 #include "support/lstrings.h"
  36 #include "LyXView.h"
  37 #include "Painter.h"
  38 #include "font.h"
  39 #include "math_cursor.h"
  40 #include "math_arrayinset.h"
  41 #include "math_spaceinset.h"
  42 #include "math_macrotable.h"
  43 #include "math_factory.h"
  44 #include "math_parser.h"
  45 #include "undo_funcs.h"
  46
  47 using std::endl;
  48 using std::ostream;
  49 using std::vector;
  50
  51 MathCursor * mathcursor = 0;
  52
  53
  54 namespace {
  55
  56
  57 // local global
  58 int first_x;
  59 int first_y;
  60 int hack_x;
  61 int hack_y;
  62 int hack_button;
  63
  64
  65 void handleFont(BufferView * bv, MathTextCodes t)
  66 {
  67         if (mathcursor->selection())
  68                 bv->lockedInsetStoreUndo(Undo::EDIT);
  69         mathcursor->handleFont(t);
  70 }
  71
  72
  73 void handleAccent(BufferView * bv, string const & name)
  74 {
  75         bv->lockedInsetStoreUndo(Undo::EDIT);
  76         mathcursor->insert(createMathInset(name));
  77 }
  78
  79
  80 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  81 {
  82         if (!bv->insertInset(new_inset)) {
  83                 delete new_inset;
  84                 return false;
  85         }
  86         new_inset->edit(bv, 0, 0, 0);
  87         return true;
  88 }
  89
  90
  91 } // namespace anon
  92
  93
  94
  95 InsetFormulaBase::InsetFormulaBase()
  96         : view_(0), font_(), xo_(0), yo_(0)
  97 {
  98         // This is needed as long the math parser is not re-entrant
  99         MathMacroTable::builtinMacros();
 100         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
 101 }
 102
 103
 104 // Check if uses AMS macros
 105 void InsetFormulaBase::validate(LaTeXFeatures &) const
 106 {}
 107
 108
 109 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const
 110 {
 111         font_ = f;
 112         metrics(bv);
 113 }
 114
 115 void InsetFormulaBase::metrics(BufferView * bv) const
 116 {
 117         if (bv)
 118                 view_ = bv;
 119         MathMetricsInfo mi(view_, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 120         par()->metrics(mi);
 121 }
 122
 123
 124 string const InsetFormulaBase::editMessage() const
 125 {
 126         return _("Math editor mode");
 127 }
 128
 129
 130 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
 131 {
 132         if (!bv->lockInset(this))
 133                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 134
 135         //lyxerr << "edit: " << x  << " " << y << " button: " << button << "\n";
 136         if (!mathcursor) {
 137                 mathcursor = new MathCursor(this, x == 0);
 138                 metrics(bv);
 139                 // handle ignored click
 140                 if (hack_x || hack_y) {
 141                         insetButtonPress(bv, hack_x, hack_y, hack_button);
 142                         hack_x = hack_y = 0;
 143                 }
 144         } else
 145                 metrics(bv);
 146         // if that is removed, we won't get the magenta box when entering an
 147         // inset for the first time
 148         bv->updateInset(this, false);
 149 }
 150
 151
 152 void InsetFormulaBase::edit(BufferView * bv, bool front)
 153 {
 154         // looks hackish but seems to work
 155         edit(bv, front ? 0 : 1, 0, 0);
 156 }
 157
 158
 159 void InsetFormulaBase::insetUnlock(BufferView * bv)
 160 {
 161         if (mathcursor) {
 162                 if (mathcursor->inMacroMode()) {
 163                         mathcursor->macroModeClose();
 164                         updateLocal(bv, true);
 165                 }
 166                 delete mathcursor;
 167                 mathcursor = 0;
 168         }
 169         bv->updateInset(this, false);
 170 }
 171
 172
 173 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 174 {
 175         mathcursor->getPos(x, y);
 176         x += xo_;
 177         y += yo_;
 178         //lyxerr << "getCursorPos: " << x << " " << y << "\n";
 179 }
 180
 181
 182 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 183 {
 184         if (!mathcursor)
 185                 return;
 186
 187         if (isCursorVisible())
 188                 bv->hideLockedInsetCursor();
 189         else {
 190                 metrics(bv);
 191                 int x;
 192                 int y;
 193                 mathcursor->getPos(x, y);
 194                 y -= yo_;
 195                 int asc = 0;
 196                 int des = 0;
 197                 MathMetricsInfo mi(bv, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 198                 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
 199                 bv->showLockedInsetCursor(x, y, asc, des);
 200                 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
 201         }
 202
 203         toggleCursorVisible();
 204 }
 205
 206
 207 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 208 {
 209         if (isCursorVisible())
 210                 return;
 211         if (mathcursor) {
 212                 metrics(bv);
 213                 int x;
 214                 int y;
 215                 mathcursor->getPos(x, y);
 216                 y -= yo_;
 217                 int asc = 0;
 218                 int des = 0;
 219                 MathMetricsInfo mi(bv, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 220                 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
 221                 bv->fitLockedInsetCursor(x, y, asc, des);
 222                 //lyxerr << "showInsetCursor: x: " << x << " y: " << y << "\n";
 223         }
 224         toggleInsetCursor(bv);
 225 }
 226
 227
 228 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 229 {
 230         if (isCursorVisible())
 231                 toggleInsetCursor(bv);
 232 }
 233
 234
 235 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 236 {
 237         if (mathcursor)
 238                 bv->updateInset(this, false);
 239 }
 240
 241
 242 vector<string> const InsetFormulaBase::getLabelList() const
 243 {
 244   return std::vector<string>();
 245 }
 246
 247
 248 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 249 {
 250         metrics(bv);
 251         bv->updateInset(this, dirty);
 252 }
 253
 254
 255 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
 256                                           int /*x*/, int /*y*/, int /*button*/)
 257 {
 258         if (!mathcursor)
 259                 return;
 260         //lyxerr << "insetButtonRelease: " << x << " " << y << "\n";
 261         hideInsetCursor(bv);
 262         showInsetCursor(bv);
 263         bv->updateInset(this, false);
 264 }
 265
 266
 267 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 268                                         int x, int y, int button)
 269 {
 270         // hack to cope with mouseclick that comes before the call to edit()
 271         if (!mathcursor) {
 272                 hack_x = x;
 273                 hack_y = y;
 274                 hack_button = button;
 275                 return;
 276         }
 277
 278         //lyxerr << "insetButtonPress: " << x + xo_ << " " << y + yo_
 279         //      << " but: " << button << "\n";
 280         switch (button) {
 281                 default:
 282                 case 1:
 283                         // just click
 284                         first_x = x;
 285                         first_y = y;
 286                         if (mathcursor) {
 287                                 mathcursor->selClear();
 288                                 mathcursor->setPos(x + xo_, y + yo_);
 289                         }
 290                         break;
 291 /*
 292                 case 2:
 293                         lyxerr << "insetButtonPress: 2\n";
 294                         // insert stuff
 295                         if (mathcursor) {
 296                                 bv->lockedInsetStoreUndo(Undo::EDIT);
 297                                 MathArray ar;
 298                                 mathcursor->selGet(ar);
 299                                 mathcursor->setPos(x + xo_, y + yo_);
 300                                 string sel =
 301                                         bv->getLyXText()->selectionAsString(bv->buffer(), false);
 302                                 mathed_parse_cell(ar, sel);
 303                                 mathcursor->insert(ar);
 304                         }
 305                         break;
 306 */
 307         }
 308         bv->updateInset(this, false);
 309 }
 310
 311
 312 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 313                                          int x, int y, int /*button*/)
 314 {
 315         if (!mathcursor)
 316                 return;
 317
 318         if (abs(x - first_x) < 2 && abs(y - first_y) < 2) {
 319                 //lyxerr << "insetMotionNotify: ignored\n";
 320                 return;
 321         }
 322         first_x = x;
 323         first_y = y;
 324
 325         if (!mathcursor->selection())
 326                 mathcursor->selStart();
 327
 328         //lyxerr << "insetMotionNotify: " << x + xo_ << ' ' << y + yo_
 329         //      << ' ' << button << "\n";
 330         hideInsetCursor(bv);
 331         mathcursor->setPos(x + xo_, y + yo_);
 332         showInsetCursor(bv);
 333         bv->updateInset(this, false);
 334 }
 335
 336
 337 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 338 {
 339         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 340 }
 341
 342
 343 UpdatableInset::RESULT
 344 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 345                             string const & arg)
 346 {
 347         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 348         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 349
 350         if (!mathcursor)
 351                 return UNDISPATCHED;
 352
 353         if (mathcursor->asHyperActiveInset()) {
 354                 lyxerr << " uurr.... getting dificult now\n";
 355                 return mathcursor->asHyperActiveInset()->localDispatch(bv, action, arg);
 356         }
 357
 358         RESULT result      = DISPATCHED;
 359         bool sel           = false;
 360         bool was_macro     = mathcursor->inMacroMode();
 361         bool was_selection = mathcursor->selection();
 362
 363         hideInsetCursor(bv);
 364
 365         mathcursor->normalize();
 366
 367         switch (action) {
 368
 369                 // --- Cursor Movements ---------------------------------------------
 370
 371         case LFUN_RIGHTSEL:
 372                 sel = true; // fall through...
 373
 374         case LFUN_RIGHT:
 375                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 376                 updateLocal(bv, false);
 377                 break;
 378
 379
 380         case LFUN_LEFTSEL:
 381                 sel = true; // fall through
 382
 383         case LFUN_LEFT:
 384                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 385                 updateLocal(bv, false);
 386                 break;
 387
 388
 389         case LFUN_UPSEL:
 390                 sel = true;
 391
 392         case LFUN_UP:
 393                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 394                 updateLocal(bv, false);
 395                 break;
 396
 397
 398         case LFUN_DOWNSEL:
 399                 sel = true;
 400
 401         case LFUN_DOWN:
 402                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 403                 updateLocal(bv, false);
 404                 break;
 405
 406         case LFUN_HOMESEL:
 407                 sel = true;
 408
 409         case LFUN_HOME:
 410                 mathcursor->home(sel);
 411                 updateLocal(bv, false);
 412                 break;
 413
 414         case LFUN_ENDSEL:
 415                 sel = true;
 416
 417         case LFUN_END:
 418                 mathcursor->end(sel);
 419                 updateLocal(bv, false);
 420                 break;
 421
 422         case LFUN_DELETE_LINE_FORWARD:
 423                 bv->lockedInsetStoreUndo(Undo::DELETE);
 424                 mathcursor->delLine();
 425                 updateLocal(bv, true);
 426                 break;
 427
 428         case LFUN_TAB:
 429                 mathcursor->idxNext();
 430                 updateLocal(bv, false);
 431                 break;
 432
 433         case LFUN_SHIFT_TAB:
 434                 mathcursor->idxPrev();
 435                 updateLocal(bv, false);
 436                 break;
 437
 438         case LFUN_TABINSERT:
 439                 bv->lockedInsetStoreUndo(Undo::EDIT);
 440                 mathcursor->splitCell();
 441                 updateLocal(bv, true);
 442                 break;
 443
 444         case LFUN_DELETE_WORD_BACKWARD:
 445         case LFUN_BACKSPACE:
 446                 bv->lockedInsetStoreUndo(Undo::DELETE);
 447                 mathcursor->backspace();
 448                 bv->updateInset(this, true);
 449                 break;
 450
 451         case LFUN_DELETE_WORD_FORWARD:
 452         case LFUN_DELETE:
 453                 bv->lockedInsetStoreUndo(Undo::DELETE);
 454                 mathcursor->erase();
 455                 bv->updateInset(this, true);
 456                 break;
 457
 458         //    case LFUN_GETXY:
 459         //      sprintf(dispatch_buffer, "%d %d",);
 460         //      dispatch_result = dispatch_buffer;
 461         //      break;
 462         case LFUN_SETXY: {
 463                 lyxerr << "LFUN_SETXY broken!\n";
 464                 int x = 0;
 465                 int y = 0;
 466                 istringstream is(arg.c_str());
 467                 is >> x >> y;
 468                 mathcursor->setPos(x, y);
 469                 updateLocal(bv, false);
 470                 break;
 471         }
 472
 473         case LFUN_PASTE:
 474                 if (was_macro)
 475                         mathcursor->macroModeClose();
 476                 bv->lockedInsetStoreUndo(Undo::EDIT);
 477                 mathcursor->selPaste();
 478                 updateLocal(bv, true);
 479                 break;
 480
 481         case LFUN_CUT:
 482                 bv->lockedInsetStoreUndo(Undo::DELETE);
 483                 mathcursor->selCut();
 484                 updateLocal(bv, true);
 485                 break;
 486
 487         case LFUN_COPY:
 488                 mathcursor->selCopy();
 489                 break;
 490
 491         case LFUN_WORDRIGHTSEL:
 492         case LFUN_WORDLEFTSEL:
 493                 break;
 494
 495                 // --- accented characters ------------------------------
 496
 497         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
 498         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
 499         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
 500         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
 501         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
 502         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
 503         case LFUN_DOT:          handleAccent(bv, "dot"); break;
 504         case LFUN_CARON:        handleAccent(bv, "check"); break;
 505         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
 506         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
 507
 508         //  Math fonts
 509         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
 510         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
 511         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
 512         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
 513         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
 514         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
 515         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
 516         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
 517
 518         case LFUN_GREEK:
 519                 handleFont(bv, LM_TC_GREEK1);
 520                 if (arg.size())
 521                         mathcursor->interpret(arg);
 522                 break;
 523
 524         case LFUN_MATH_MODE:
 525                 handleFont(bv, LM_TC_TEXTRM);
 526                 //bv->owner()->message(_("math text mode toggled"));
 527                 break;
 528
 529         case LFUN_MATH_LIMITS:
 530                 bv->lockedInsetStoreUndo(Undo::EDIT);
 531                 if (mathcursor->toggleLimits())
 532                         updateLocal(bv, true);
 533                 break;
 534
 535         case LFUN_MATH_SIZE:
 536 #if 0
 537                 if (!arg.empty()) {
 538                         bv->lockedInsetStoreUndo(Undo::EDIT);
 539                         mathcursor->setSize(arg);
 540                         updateLocal(bv, true);
 541                 }
 542 #endif
 543                 break;
 544
 545         case LFUN_INSERT_MATRIX:
 546                 if (!arg.empty()) {
 547                         bv->lockedInsetStoreUndo(Undo::EDIT);
 548                         mathcursor->interpret("matrix " + arg);
 549                         updateLocal(bv, true);
 550                 }
 551                 break;
 552
 553         case LFUN_MATH_SPACE:
 554         {
 555                 bv->lockedInsetStoreUndo(Undo::EDIT);
 556                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 557                 updateLocal(bv, true);
 558                 break;
 559         }
 560
 561         case LFUN_SUPERSCRIPT:
 562         case LFUN_SUBSCRIPT:
 563         {
 564                 bv->lockedInsetStoreUndo(Undo::EDIT);
 565                 mathcursor->script((action == LFUN_SUPERSCRIPT));
 566                 updateLocal(bv, true);
 567                 break;
 568         }
 569
 570         case LFUN_MATH_DELIM:
 571         {
 572                 lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 573                 string ls;
 574                 string rs;
 575                 istringstream is(arg.c_str());
 576                 is >> ls >> rs;
 577                 if (!is) {
 578                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
 579                         break;
 580                 }
 581                 bv->lockedInsetStoreUndo(Undo::EDIT);
 582                 mathcursor->handleDelim(ls, rs);
 583                 updateLocal(bv, true);
 584                 break;
 585         }
 586
 587         case LFUN_PROTECTEDSPACE:
 588                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 589                 bv->lockedInsetStoreUndo(Undo::EDIT);
 590                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 591                 updateLocal(bv, true);
 592                 break;
 593
 594         case LFUN_UNDO:
 595                 bv->owner()->message(_("Invalid action in math mode!"));
 596                 break;
 597
 598
 599         case LFUN_MATH_HALIGN:
 600         case LFUN_MATH_VALIGN:
 601         case LFUN_MATH_ROW_INSERT:
 602         case LFUN_MATH_ROW_DELETE:
 603         case LFUN_MATH_COLUMN_INSERT:
 604         case LFUN_MATH_COLUMN_DELETE:
 605         {
 606                 MathInset::idx_type idx = 0;
 607                 MathGridInset * p = mathcursor ? mathcursor->enclosingGrid(idx) : 0;
 608                 if (p) {
 609                         bv->lockedInsetStoreUndo(Undo::EDIT);
 610                         char al = arg.size() ? arg[0] : 'c';
 611                         switch (action) {
 612                                 case LFUN_MATH_HALIGN: p->halign(al, p->col(idx)); break;
 613                                 case LFUN_MATH_VALIGN: p->valign(al); break;
 614                                 case LFUN_MATH_ROW_INSERT: p->addRow(p->row(idx)); break;
 615                                 case LFUN_MATH_ROW_DELETE: p->delRow(p->row(idx)); break;
 616                                 case LFUN_MATH_COLUMN_INSERT: p->addCol(p->col(idx)); break;
 617                                 case LFUN_MATH_COLUMN_DELETE: p->delCol(p->col(idx)); break;
 618                                 default: ;
 619                         }
 620                         updateLocal(bv, true);
 621                 }
 622                 break;
 623         }
 624
 625         case LFUN_EXEC_COMMAND:
 626                 result = UNDISPATCHED;
 627                 break;
 628
 629         case LFUN_BREAKPARAGRAPH:
 630         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 631                 //lyxerr << "LFUN ignored\n";
 632                 break;
 633
 634         case LFUN_INSET_ERT:
 635                 // interpret this as if a backslash was typed
 636                 bv->lockedInsetStoreUndo(Undo::EDIT);
 637                 mathcursor->interpret("\\");
 638                 updateLocal(bv, true);
 639                 break;
 640
 641         case -1:
 642         case LFUN_INSERT_MATH:
 643         case LFUN_SELFINSERT:
 644                 if (!arg.empty()) {
 645                         bv->lockedInsetStoreUndo(Undo::EDIT);
 646                         result = mathcursor->interpret(arg) ? DISPATCHED : FINISHED_RIGHT;
 647                         updateLocal(bv, true);
 648                 }
 649                 break;
 650
 651         case LFUN_MATH_PANEL:
 652                 result = UNDISPATCHED;
 653                 break;
 654
 655         default:
 656                 result = UNDISPATCHED;
 657         }
 658
 659         mathcursor->normalize();
 660
 661         lyx::Assert(mathcursor);
 662
 663         if (mathcursor->selection() || was_selection)
 664                 toggleInsetSelection(bv);
 665
 666         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 667             result == UNDISPATCHED)
 668                 showInsetCursor(bv);
 669         else
 670                 bv->unlockInset(this);
 671
 672         return result;  // original version
 673 }
 674
 675
 676 Inset::Code InsetFormulaBase::lyxCode() const
 677 {
 678         return Inset::MATH_CODE;
 679 }
 680
 681
 682 int InsetFormulaBase::ylow() const
 683 {
 684         return yo_ - ascent(view_, font_);
 685 }
 686
 687
 688 int InsetFormulaBase::yhigh() const
 689 {
 690         return yo_ + descent(view_, font_);
 691 }
 692
 693
 694 int InsetFormulaBase::xlow() const
 695 {
 696         return xo_;
 697 }
 698
 699
 700 int InsetFormulaBase::xhigh() const
 701 {
 702         return xo_ + width(view_, font_);
 703 }
 704
 705
 706 /////////////////////////////////////////////////////////////////////
 707
 708
 709 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 710 {
 711         if (bv->available()) {
 712                 // use selection if available..
 713                 //string sel;
 714                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 715                 //      sel = "";
 716                 //else
 717
 718                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
 719
 720                 InsetFormulaBase * f;
 721                 if (sel.empty()) {
 722                         f = new InsetFormula;
 723                         if (openNewInset(bv, f)) {
 724                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
 725                                 // always changing to mathrm when opening an inlined inset
 726                                 // -- I really hate "LyXfunc overloading"...
 727                                 if (display)
 728                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 729                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 730                         }
 731                 } else {
 732                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 733                         // formula otherwise
 734                         if (sel.find("\\newcommand") == string::npos)
 735                                 f = new InsetFormula(sel);
 736                         else
 737                                 f = new InsetFormulaMacro(sel);
 738                         bv->getLyXText()->cutSelection(bv);
 739                         openNewInset(bv, f);
 740                 }
 741         }
 742         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 743 }
 744
 745
 746 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 747 {
 748         mathDispatchCreation(bv, arg, true);
 749 }
 750
 751
 752 void mathDispatchMathMode(BufferView * bv, string const & arg)
 753 {
 754         mathDispatchCreation(bv, arg, false);
 755 }
 756
 757
 758 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 759 {
 760         mathDispatchCreation(bv, arg, true);
 761 }
 762
 763
 764 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 765 {
 766         if (bv->available()) {
 767                 if (arg.empty())
 768                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 769                 else {
 770                         string s(arg);
 771                         string const s1 = token(s, ' ', 1);
 772                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 773                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 774                 }
 775         }
 776 }
 777
 778
 779 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 780 {
 781         if (bv->available()) {
 782                 if (openNewInset(bv, new InsetFormula))
 783                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 784         }
 785 }
 786
 787
 788 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 789 {
 790         if (bv->available()) {
 791                 if (openNewInset(bv, new InsetFormula))
 792                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 793         }
 794 }
 795
 796
 797 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 798 {
 799         if (bv->available()) {
 800                 if (arg.size() && arg[0] == '\\') {
 801                         InsetFormula * f = new InsetFormula(arg);
 802                         if (!bv->insertInset(f))
 803                                 delete f;
 804                 } else
 805                         mathDispatchMathMode(bv, arg);
 806         }
 807 }
 808
 809
 810 void mathDispatchGreek(BufferView * bv, string const & arg)
 811 {
 812         if (bv->available()) {
 813                 InsetFormula * f = new InsetFormula;
 814                 if (openNewInset(bv, f)) {
 815                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
 816                         bv->unlockInset(f);
 817                 }
 818         }
 819 }
 820
 821
 822 void mathDispatch(BufferView *, kb_action, string const &)
 823 {}