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 bool InsetFormulaBase::insetButtonRelease(BufferView * bv,
 256                                           int /*x*/, int /*y*/, int /*button*/)
 257 {
 258         if (!mathcursor)
 259                 return false;
 260         //lyxerr << "insetButtonRelease: " << x << " " << y << "\n";
 261         hideInsetCursor(bv);
 262         showInsetCursor(bv);
 263         bv->updateInset(this, false);
 264         return false;
 265 }
 266
 267
 268 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 269                                         int x, int y, int button)
 270 {
 271         // hack to cope with mouseclick that comes before the call to edit()
 272         if (!mathcursor) {
 273                 hack_x = x;
 274                 hack_y = y;
 275                 hack_button = button;
 276                 return;
 277         }
 278
 279         //lyxerr << "insetButtonPress: " << x + xo_ << " " << y + yo_
 280         //      << " but: " << button << "\n";
 281         switch (button) {
 282                 default:
 283                 case 1:
 284                         // just click
 285                         first_x = x;
 286                         first_y = y;
 287                         if (mathcursor) {
 288                                 mathcursor->selClear();
 289                                 mathcursor->setPos(x + xo_, y + yo_);
 290                         }
 291                         break;
 292 /*
 293                 case 2:
 294                         lyxerr << "insetButtonPress: 2\n";
 295                         // insert stuff
 296                         if (mathcursor) {
 297                                 bv->lockedInsetStoreUndo(Undo::EDIT);
 298                                 MathArray ar;
 299                                 mathcursor->selGet(ar);
 300                                 mathcursor->setPos(x + xo_, y + yo_);
 301                                 string sel =
 302                                         bv->getLyXText()->selectionAsString(bv->buffer(), false);
 303                                 mathed_parse_cell(ar, sel);
 304                                 mathcursor->insert(ar);
 305                         }
 306                         break;
 307 */
 308         }
 309         bv->updateInset(this, false);
 310 }
 311
 312
 313 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 314                                          int x, int y, int /*button*/)
 315 {
 316         if (!mathcursor)
 317                 return;
 318
 319         if (abs(x - first_x) < 2 && abs(y - first_y) < 2) {
 320                 //lyxerr << "insetMotionNotify: ignored\n";
 321                 return;
 322         }
 323         first_x = x;
 324         first_y = y;
 325
 326         if (!mathcursor->selection())
 327                 mathcursor->selStart();
 328
 329         //lyxerr << "insetMotionNotify: " << x + xo_ << ' ' << y + yo_
 330         //      << ' ' << button << "\n";
 331         hideInsetCursor(bv);
 332         mathcursor->setPos(x + xo_, y + yo_);
 333         showInsetCursor(bv);
 334         bv->updateInset(this, false);
 335 }
 336
 337
 338 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 339 {
 340         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 341 }
 342
 343
 344 UpdatableInset::RESULT
 345 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 346                             string const & arg)
 347 {
 348         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 349         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 350
 351         if (!mathcursor)
 352                 return UNDISPATCHED;
 353
 354         if (mathcursor->asHyperActiveInset()) {
 355                 lyxerr << " uurr.... getting dificult now\n";
 356                 return mathcursor->asHyperActiveInset()->localDispatch(bv, action, arg);
 357         }
 358
 359         RESULT result      = DISPATCHED;
 360         bool sel           = false;
 361         bool was_macro     = mathcursor->inMacroMode();
 362         bool was_selection = mathcursor->selection();
 363
 364         hideInsetCursor(bv);
 365
 366         mathcursor->normalize();
 367
 368         switch (action) {
 369
 370                 // --- Cursor Movements ---------------------------------------------
 371
 372         case LFUN_RIGHTSEL:
 373                 sel = true; // fall through...
 374
 375         case LFUN_RIGHT:
 376                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 377                 updateLocal(bv, false);
 378                 break;
 379
 380
 381         case LFUN_LEFTSEL:
 382                 sel = true; // fall through
 383
 384         case LFUN_LEFT:
 385                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 386                 updateLocal(bv, false);
 387                 break;
 388
 389
 390         case LFUN_UPSEL:
 391                 sel = true;
 392
 393         case LFUN_UP:
 394                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 395                 updateLocal(bv, false);
 396                 break;
 397
 398
 399         case LFUN_DOWNSEL:
 400                 sel = true;
 401
 402         case LFUN_DOWN:
 403                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 404                 updateLocal(bv, false);
 405                 break;
 406
 407         case LFUN_HOMESEL:
 408                 sel = true;
 409
 410         case LFUN_HOME:
 411                 mathcursor->home(sel);
 412                 updateLocal(bv, false);
 413                 break;
 414
 415         case LFUN_ENDSEL:
 416                 sel = true;
 417
 418         case LFUN_END:
 419                 mathcursor->end(sel);
 420                 updateLocal(bv, false);
 421                 break;
 422
 423         case LFUN_DELETE_LINE_FORWARD:
 424                 bv->lockedInsetStoreUndo(Undo::DELETE);
 425                 mathcursor->delLine();
 426                 updateLocal(bv, true);
 427                 break;
 428
 429         case LFUN_TAB:
 430                 mathcursor->idxNext();
 431                 updateLocal(bv, false);
 432                 break;
 433
 434         case LFUN_SHIFT_TAB:
 435                 mathcursor->idxPrev();
 436                 updateLocal(bv, false);
 437                 break;
 438
 439         case LFUN_TABINSERT:
 440                 bv->lockedInsetStoreUndo(Undo::EDIT);
 441                 mathcursor->splitCell();
 442                 updateLocal(bv, true);
 443                 break;
 444
 445         case LFUN_DELETE_WORD_BACKWARD:
 446         case LFUN_BACKSPACE:
 447                 bv->lockedInsetStoreUndo(Undo::DELETE);
 448                 mathcursor->backspace();
 449                 bv->updateInset(this, true);
 450                 break;
 451
 452         case LFUN_DELETE_WORD_FORWARD:
 453         case LFUN_DELETE:
 454                 bv->lockedInsetStoreUndo(Undo::DELETE);
 455                 mathcursor->erase();
 456                 bv->updateInset(this, true);
 457                 break;
 458
 459         //    case LFUN_GETXY:
 460         //      sprintf(dispatch_buffer, "%d %d",);
 461         //      dispatch_result = dispatch_buffer;
 462         //      break;
 463         case LFUN_SETXY: {
 464                 lyxerr << "LFUN_SETXY broken!\n";
 465                 int x = 0;
 466                 int y = 0;
 467                 istringstream is(arg.c_str());
 468                 is >> x >> y;
 469                 mathcursor->setPos(x, y);
 470                 updateLocal(bv, false);
 471                 break;
 472         }
 473
 474         case LFUN_PASTE:
 475                 if (was_macro)
 476                         mathcursor->macroModeClose();
 477                 bv->lockedInsetStoreUndo(Undo::EDIT);
 478                 mathcursor->selPaste();
 479                 updateLocal(bv, true);
 480                 break;
 481
 482         case LFUN_CUT:
 483                 bv->lockedInsetStoreUndo(Undo::DELETE);
 484                 mathcursor->selCut();
 485                 updateLocal(bv, true);
 486                 break;
 487
 488         case LFUN_COPY:
 489                 mathcursor->selCopy();
 490                 break;
 491
 492         case LFUN_WORDRIGHTSEL:
 493         case LFUN_WORDLEFTSEL:
 494                 break;
 495
 496                 // --- accented characters ------------------------------
 497
 498         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
 499         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
 500         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
 501         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
 502         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
 503         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
 504         case LFUN_DOT:          handleAccent(bv, "dot"); break;
 505         case LFUN_CARON:        handleAccent(bv, "check"); break;
 506         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
 507         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
 508
 509         //  Math fonts
 510         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
 511         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
 512         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
 513         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
 514         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
 515         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
 516         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
 517         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
 518
 519         case LFUN_GREEK:
 520                 handleFont(bv, LM_TC_GREEK1);
 521                 if (arg.size())
 522                         mathcursor->interpret(arg);
 523                 break;
 524
 525         case LFUN_MATH_MODE:
 526                 handleFont(bv, LM_TC_TEXTRM);
 527                 //bv->owner()->message(_("math text mode toggled"));
 528                 break;
 529
 530         case LFUN_MATH_LIMITS:
 531                 bv->lockedInsetStoreUndo(Undo::EDIT);
 532                 if (mathcursor->toggleLimits())
 533                         updateLocal(bv, true);
 534                 break;
 535
 536         case LFUN_MATH_SIZE:
 537 #if 0
 538                 if (!arg.empty()) {
 539                         bv->lockedInsetStoreUndo(Undo::EDIT);
 540                         mathcursor->setSize(arg);
 541                         updateLocal(bv, true);
 542                 }
 543 #endif
 544                 break;
 545
 546         case LFUN_INSERT_MATRIX:
 547                 if (!arg.empty()) {
 548                         bv->lockedInsetStoreUndo(Undo::EDIT);
 549                         mathcursor->interpret("matrix " + arg);
 550                         updateLocal(bv, true);
 551                 }
 552                 break;
 553
 554         case LFUN_MATH_SPACE:
 555         {
 556                 bv->lockedInsetStoreUndo(Undo::EDIT);
 557                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 558                 updateLocal(bv, true);
 559                 break;
 560         }
 561
 562         case LFUN_SUPERSCRIPT:
 563         case LFUN_SUBSCRIPT:
 564         {
 565                 bv->lockedInsetStoreUndo(Undo::EDIT);
 566                 mathcursor->script((action == LFUN_SUPERSCRIPT));
 567                 updateLocal(bv, true);
 568                 break;
 569         }
 570
 571         case LFUN_MATH_DELIM:
 572         {
 573                 lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 574                 string ls;
 575                 string rs;
 576                 istringstream is(arg.c_str());
 577                 is >> ls >> rs;
 578                 if (!is) {
 579                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
 580                         break;
 581                 }
 582                 bv->lockedInsetStoreUndo(Undo::EDIT);
 583                 mathcursor->handleDelim(ls, rs);
 584                 updateLocal(bv, true);
 585                 break;
 586         }
 587
 588         case LFUN_PROTECTEDSPACE:
 589                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 590                 bv->lockedInsetStoreUndo(Undo::EDIT);
 591                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 592                 updateLocal(bv, true);
 593                 break;
 594
 595         case LFUN_UNDO:
 596                 bv->owner()->message(_("Invalid action in math mode!"));
 597                 break;
 598
 599
 600         case LFUN_MATH_HALIGN:
 601         case LFUN_MATH_VALIGN:
 602         case LFUN_MATH_ROW_INSERT:
 603         case LFUN_MATH_ROW_DELETE:
 604         case LFUN_MATH_COLUMN_INSERT:
 605         case LFUN_MATH_COLUMN_DELETE:
 606         {
 607                 MathInset::idx_type idx = 0;
 608                 MathGridInset * p = mathcursor ? mathcursor->enclosingGrid(idx) : 0;
 609                 if (p) {
 610                         bv->lockedInsetStoreUndo(Undo::EDIT);
 611                         char al = arg.size() ? arg[0] : 'c';
 612                         switch (action) {
 613                                 case LFUN_MATH_HALIGN: p->halign(al, p->col(idx)); break;
 614                                 case LFUN_MATH_VALIGN: p->valign(al); break;
 615                                 case LFUN_MATH_ROW_INSERT: p->addRow(p->row(idx)); break;
 616                                 case LFUN_MATH_ROW_DELETE: p->delRow(p->row(idx)); break;
 617                                 case LFUN_MATH_COLUMN_INSERT: p->addCol(p->col(idx)); break;
 618                                 case LFUN_MATH_COLUMN_DELETE: p->delCol(p->col(idx)); break;
 619                                 default: ;
 620                         }
 621                         updateLocal(bv, true);
 622                 }
 623                 break;
 624         }
 625
 626         case LFUN_EXEC_COMMAND:
 627                 result = UNDISPATCHED;
 628                 break;
 629
 630         case LFUN_BREAKPARAGRAPH:
 631         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 632                 //lyxerr << "LFUN ignored\n";
 633                 break;
 634
 635         case LFUN_INSET_ERT:
 636                 // interpret this as if a backslash was typed
 637                 bv->lockedInsetStoreUndo(Undo::EDIT);
 638                 mathcursor->interpret("\\");
 639                 updateLocal(bv, true);
 640                 break;
 641
 642         case -1:
 643         case LFUN_INSERT_MATH:
 644         case LFUN_SELFINSERT:
 645                 if (!arg.empty()) {
 646                         bv->lockedInsetStoreUndo(Undo::EDIT);
 647                         result = mathcursor->interpret(arg) ? DISPATCHED : FINISHED_RIGHT;
 648                         updateLocal(bv, true);
 649                 }
 650                 break;
 651
 652         case LFUN_MATH_PANEL:
 653                 result = UNDISPATCHED;
 654                 break;
 655
 656         case LFUN_ESCAPE:
 657                 if (mathcursor->selection())
 658                         mathcursor->selClear();
 659                 else
 660                         result = UNDISPATCHED;
 661                 break;
 662
 663         default:
 664                 result = UNDISPATCHED;
 665         }
 666
 667         mathcursor->normalize();
 668
 669         lyx::Assert(mathcursor);
 670
 671         if (mathcursor->selection() || was_selection)
 672                 toggleInsetSelection(bv);
 673
 674         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 675             result == UNDISPATCHED)
 676                 showInsetCursor(bv);
 677         else
 678                 bv->unlockInset(this);
 679
 680         return result;  // original version
 681 }
 682
 683
 684 Inset::Code InsetFormulaBase::lyxCode() const
 685 {
 686         return Inset::MATH_CODE;
 687 }
 688
 689
 690 int InsetFormulaBase::ylow() const
 691 {
 692         return yo_ - ascent(view_, font_);
 693 }
 694
 695
 696 int InsetFormulaBase::yhigh() const
 697 {
 698         return yo_ + descent(view_, font_);
 699 }
 700
 701
 702 int InsetFormulaBase::xlow() const
 703 {
 704         return xo_;
 705 }
 706
 707
 708 int InsetFormulaBase::xhigh() const
 709 {
 710         return xo_ + width(view_, font_);
 711 }
 712
 713
 714 /////////////////////////////////////////////////////////////////////
 715
 716
 717 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 718 {
 719         if (bv->available()) {
 720                 // use selection if available..
 721                 //string sel;
 722                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 723                 //      sel = "";
 724                 //else
 725
 726                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
 727
 728                 InsetFormulaBase * f;
 729                 if (sel.empty()) {
 730                         f = new InsetFormula;
 731                         if (openNewInset(bv, f)) {
 732                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
 733                                 // always changing to mathrm when opening an inlined inset
 734                                 // -- I really hate "LyXfunc overloading"...
 735                                 if (display)
 736                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 737                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 738                         }
 739                 } else {
 740                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 741                         // formula otherwise
 742                         if (sel.find("\\newcommand") == string::npos)
 743                                 f = new InsetFormula(sel);
 744                         else
 745                                 f = new InsetFormulaMacro(sel);
 746                         bv->getLyXText()->cutSelection(bv);
 747                         openNewInset(bv, f);
 748                 }
 749         }
 750         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 751 }
 752
 753
 754 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 755 {
 756         mathDispatchCreation(bv, arg, true);
 757 }
 758
 759
 760 void mathDispatchMathMode(BufferView * bv, string const & arg)
 761 {
 762         mathDispatchCreation(bv, arg, false);
 763 }
 764
 765
 766 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 767 {
 768         mathDispatchCreation(bv, arg, true);
 769 }
 770
 771
 772 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 773 {
 774         if (bv->available()) {
 775                 if (arg.empty())
 776                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 777                 else {
 778                         string s(arg);
 779                         string const s1 = token(s, ' ', 1);
 780                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 781                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 782                 }
 783         }
 784 }
 785
 786
 787 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 788 {
 789         if (bv->available()) {
 790                 if (openNewInset(bv, new InsetFormula))
 791                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 792         }
 793 }
 794
 795
 796 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 797 {
 798         if (bv->available()) {
 799                 if (openNewInset(bv, new InsetFormula))
 800                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 801         }
 802 }
 803
 804
 805 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 806 {
 807         if (bv->available()) {
 808                 if (arg.size() && arg[0] == '\\') {
 809                         InsetFormula * f = new InsetFormula(arg);
 810                         if (!bv->insertInset(f))
 811                                 delete f;
 812                 } else
 813                         mathDispatchMathMode(bv, arg);
 814         }
 815 }
 816
 817
 818 void mathDispatchGreek(BufferView * bv, string const & arg)
 819 {
 820         if (bv->available()) {
 821                 InsetFormula * f = new InsetFormula;
 822                 if (openNewInset(bv, f)) {
 823                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
 824                         bv->unlockInset(f);
 825                 }
 826         }
 827 }
 828
 829
 830 void mathDispatch(BufferView *, kb_action, string const &)
 831 {}