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_arrayinset.h"
  40 #include "math_cursor.h"
  41 #include "math_factory.h"
  42 #include "math_hullinset.h"
  43 #include "math_macrotable.h"
  44 #include "math_parser.h"
  45 #include "math_spaceinset.h"
  46 #include "undo_funcs.h"
  47
  48 using std::endl;
  49 using std::ostream;
  50 using std::vector;
  51
  52 MathCursor * mathcursor = 0;
  53
  54
  55 namespace {
  56
  57
  58 // local global
  59 int first_x;
  60 int first_y;
  61 int hack_x;
  62 int hack_y;
  63 int hack_button;
  64
  65
  66 void handleFont(BufferView * bv, MathTextCodes t)
  67 {
  68         if (mathcursor->selection())
  69                 bv->lockedInsetStoreUndo(Undo::EDIT);
  70         mathcursor->handleFont(t);
  71 }
  72
  73
  74 void handleAccent(BufferView * bv, string const & name)
  75 {
  76         bv->lockedInsetStoreUndo(Undo::EDIT);
  77         mathcursor->insert(createMathInset(name));
  78 }
  79
  80
  81 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  82 {
  83         if (!bv->insertInset(new_inset)) {
  84                 delete new_inset;
  85                 return false;
  86         }
  87         new_inset->edit(bv, 0, 0, 0);
  88         return true;
  89 }
  90
  91
  92 } // namespace anon
  93
  94
  95
  96 InsetFormulaBase::InsetFormulaBase()
  97         : view_(0), font_(), xo_(0), yo_(0)
  98 {
  99         // This is needed as long the math parser is not re-entrant
 100         MathMacroTable::builtinMacros();
 101         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
 102 }
 103
 104
 105 // Check if uses AMS macros
 106 void InsetFormulaBase::validate(LaTeXFeatures &) const
 107 {}
 108
 109
 110 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const
 111 {
 112         font_ = f;
 113         metrics(bv);
 114 }
 115
 116 void InsetFormulaBase::metrics(BufferView * bv) const
 117 {
 118         if (bv)
 119                 view_ = bv;
 120         MathMetricsInfo mi(view_, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 121         par()->metrics(mi);
 122 }
 123
 124
 125 string const InsetFormulaBase::editMessage() const
 126 {
 127         return _("Math editor mode");
 128 }
 129
 130
 131 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
 132 {
 133         if (!bv->lockInset(this))
 134                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 135
 136         //lyxerr << "edit: " << x  << " " << y << " button: " << button << "\n";
 137         if (!mathcursor) {
 138                 mathcursor = new MathCursor(this, x == 0);
 139                 metrics(bv);
 140                 // handle ignored click
 141                 if (hack_x || hack_y) {
 142                         insetButtonPress(bv, hack_x, hack_y, hack_button);
 143                         hack_x = hack_y = 0;
 144                 }
 145         } else
 146                 metrics(bv);
 147         // if that is removed, we won't get the magenta box when entering an
 148         // inset for the first time
 149         bv->updateInset(this, false);
 150 }
 151
 152
 153 void InsetFormulaBase::edit(BufferView * bv, bool front)
 154 {
 155         // looks hackish but seems to work
 156         edit(bv, front ? 0 : 1, 0, 0);
 157 }
 158
 159
 160 void InsetFormulaBase::insetUnlock(BufferView * bv)
 161 {
 162         if (mathcursor) {
 163                 if (mathcursor->inMacroMode()) {
 164                         mathcursor->macroModeClose();
 165                         updateLocal(bv, true);
 166                 }
 167                 delete mathcursor;
 168                 mathcursor = 0;
 169         }
 170         bv->updateInset(this, false);
 171 }
 172
 173
 174 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 175 {
 176         mathcursor->getPos(x, y);
 177         x += xo_;
 178         y += yo_;
 179         //lyxerr << "getCursorPos: " << x << " " << y << "\n";
 180 }
 181
 182
 183 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 184 {
 185         if (!mathcursor)
 186                 return;
 187
 188         if (isCursorVisible())
 189                 bv->hideLockedInsetCursor();
 190         else {
 191                 metrics(bv);
 192                 int x;
 193                 int y;
 194                 mathcursor->getPos(x, y);
 195                 y -= yo_;
 196                 int asc = 0;
 197                 int des = 0;
 198                 MathMetricsInfo mi(bv, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 199                 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
 200                 bv->showLockedInsetCursor(x, y, asc, des);
 201                 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
 202         }
 203
 204         toggleCursorVisible();
 205 }
 206
 207
 208 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 209 {
 210         if (isCursorVisible())
 211                 return;
 212         if (mathcursor) {
 213                 metrics(bv);
 214                 int x;
 215                 int y;
 216                 mathcursor->getPos(x, y);
 217                 y -= yo_;
 218                 int asc = 0;
 219                 int des = 0;
 220                 MathMetricsInfo mi(bv, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 221                 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
 222                 bv->fitLockedInsetCursor(x, y, asc, des);
 223                 //lyxerr << "showInsetCursor: x: " << x << " y: " << y << "\n";
 224         }
 225         toggleInsetCursor(bv);
 226 }
 227
 228
 229 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 230 {
 231         if (isCursorVisible())
 232                 toggleInsetCursor(bv);
 233 }
 234
 235
 236 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 237 {
 238         if (mathcursor)
 239                 bv->updateInset(this, false);
 240 }
 241
 242
 243 vector<string> const InsetFormulaBase::getLabelList() const
 244 {
 245   return std::vector<string>();
 246 }
 247
 248
 249 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 250 {
 251         metrics(bv);
 252         bv->updateInset(this, dirty);
 253 }
 254
 255
 256 bool InsetFormulaBase::insetButtonRelease(BufferView * bv,
 257                                           int /*x*/, int /*y*/, int /*button*/)
 258 {
 259         if (!mathcursor)
 260                 return false;
 261         //lyxerr << "insetButtonRelease: " << x << " " << y << "\n";
 262         hideInsetCursor(bv);
 263         showInsetCursor(bv);
 264         bv->updateInset(this, false);
 265         return false;
 266 }
 267
 268
 269 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 270                                         int x, int y, int button)
 271 {
 272         // hack to cope with mouseclick that comes before the call to edit()
 273         if (!mathcursor) {
 274                 hack_x = x;
 275                 hack_y = y;
 276                 hack_button = button;
 277                 return;
 278         }
 279
 280         //lyxerr << "insetButtonPress: " << x + xo_ << " " << y + yo_
 281         //      << " but: " << button << "\n";
 282         switch (button) {
 283                 default:
 284                 case 1:
 285                         // just click
 286                         first_x = x;
 287                         first_y = y;
 288                         if (mathcursor) {
 289                                 mathcursor->selClear();
 290                                 mathcursor->setPos(x + xo_, y + yo_);
 291                         }
 292                         break;
 293 /*
 294                 case 2:
 295                         lyxerr << "insetButtonPress: 2\n";
 296                         // insert stuff
 297                         if (mathcursor) {
 298                                 bv->lockedInsetStoreUndo(Undo::EDIT);
 299                                 MathArray ar;
 300                                 mathcursor->selGet(ar);
 301                                 mathcursor->setPos(x + xo_, y + yo_);
 302                                 string sel =
 303                                         bv->getLyXText()->selectionAsString(bv->buffer(), false);
 304                                 mathed_parse_cell(ar, sel);
 305                                 mathcursor->insert(ar);
 306                         }
 307                         break;
 308 */
 309         }
 310         bv->updateInset(this, false);
 311 }
 312
 313
 314 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 315                                          int x, int y, int /*button*/)
 316 {
 317         if (!mathcursor)
 318                 return;
 319
 320         if (abs(x - first_x) < 2 && abs(y - first_y) < 2) {
 321                 //lyxerr << "insetMotionNotify: ignored\n";
 322                 return;
 323         }
 324         first_x = x;
 325         first_y = y;
 326
 327         if (!mathcursor->selection())
 328                 mathcursor->selStart();
 329
 330         //lyxerr << "insetMotionNotify: " << x + xo_ << ' ' << y + yo_
 331         //      << ' ' << button << "\n";
 332         hideInsetCursor(bv);
 333         mathcursor->setPos(x + xo_, y + yo_);
 334         showInsetCursor(bv);
 335         bv->updateInset(this, false);
 336 }
 337
 338
 339 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 340 {
 341         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 342 }
 343
 344
 345 UpdatableInset::RESULT
 346 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 347                             string const & arg)
 348 {
 349         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 350         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 351
 352         if (!mathcursor)
 353                 return UNDISPATCHED;
 354
 355         if (mathcursor->asHyperActiveInset()) {
 356                 lyxerr << " uurr.... getting dificult now\n";
 357                 return mathcursor->asHyperActiveInset()->localDispatch(bv, action, arg);
 358         }
 359
 360         RESULT result      = DISPATCHED;
 361         bool sel           = false;
 362         bool was_macro     = mathcursor->inMacroMode();
 363         bool was_selection = mathcursor->selection();
 364
 365         hideInsetCursor(bv);
 366
 367         mathcursor->normalize();
 368
 369         switch (action) {
 370
 371                 // --- Cursor Movements ---------------------------------------------
 372
 373         case LFUN_RIGHTSEL:
 374                 sel = true; // fall through...
 375
 376         case LFUN_RIGHT:
 377                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 378                 updateLocal(bv, false);
 379                 break;
 380
 381
 382         case LFUN_LEFTSEL:
 383                 sel = true; // fall through
 384
 385         case LFUN_LEFT:
 386                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 387                 updateLocal(bv, false);
 388                 break;
 389
 390
 391         case LFUN_UPSEL:
 392                 sel = true;
 393
 394         case LFUN_UP:
 395                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 396                 updateLocal(bv, false);
 397                 break;
 398
 399
 400         case LFUN_DOWNSEL:
 401                 sel = true;
 402
 403         case LFUN_DOWN:
 404                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 405                 updateLocal(bv, false);
 406                 break;
 407
 408         case LFUN_HOMESEL:
 409                 sel = true;
 410
 411         case LFUN_HOME:
 412                 mathcursor->home(sel);
 413                 updateLocal(bv, false);
 414                 break;
 415
 416         case LFUN_ENDSEL:
 417                 sel = true;
 418
 419         case LFUN_END:
 420                 mathcursor->end(sel);
 421                 updateLocal(bv, false);
 422                 break;
 423
 424         case LFUN_DELETE_LINE_FORWARD:
 425                 bv->lockedInsetStoreUndo(Undo::DELETE);
 426                 mathcursor->delLine();
 427                 updateLocal(bv, true);
 428                 break;
 429
 430         case LFUN_TAB:
 431                 mathcursor->idxNext();
 432                 updateLocal(bv, false);
 433                 break;
 434
 435         case LFUN_SHIFT_TAB:
 436                 mathcursor->idxPrev();
 437                 updateLocal(bv, false);
 438                 break;
 439
 440         case LFUN_TABINSERT:
 441                 bv->lockedInsetStoreUndo(Undo::EDIT);
 442                 mathcursor->splitCell();
 443                 updateLocal(bv, true);
 444                 break;
 445
 446         case LFUN_DELETE_WORD_BACKWARD:
 447         case LFUN_BACKSPACE:
 448                 bv->lockedInsetStoreUndo(Undo::DELETE);
 449                 mathcursor->backspace();
 450                 bv->updateInset(this, true);
 451                 break;
 452
 453         case LFUN_DELETE_WORD_FORWARD:
 454         case LFUN_DELETE:
 455                 bv->lockedInsetStoreUndo(Undo::DELETE);
 456                 mathcursor->erase();
 457                 bv->updateInset(this, true);
 458                 break;
 459
 460         //    case LFUN_GETXY:
 461         //      sprintf(dispatch_buffer, "%d %d",);
 462         //      dispatch_result = dispatch_buffer;
 463         //      break;
 464         case LFUN_SETXY: {
 465                 lyxerr << "LFUN_SETXY broken!\n";
 466                 int x = 0;
 467                 int y = 0;
 468                 istringstream is(arg.c_str());
 469                 is >> x >> y;
 470                 mathcursor->setPos(x, y);
 471                 updateLocal(bv, false);
 472                 break;
 473         }
 474
 475         case LFUN_PASTE:
 476                 if (was_macro)
 477                         mathcursor->macroModeClose();
 478                 bv->lockedInsetStoreUndo(Undo::EDIT);
 479                 mathcursor->selPaste();
 480                 updateLocal(bv, true);
 481                 break;
 482
 483         case LFUN_CUT:
 484                 bv->lockedInsetStoreUndo(Undo::DELETE);
 485                 mathcursor->selCut();
 486                 updateLocal(bv, true);
 487                 break;
 488
 489         case LFUN_COPY:
 490                 mathcursor->selCopy();
 491                 break;
 492
 493         case LFUN_WORDRIGHTSEL:
 494         case LFUN_WORDLEFTSEL:
 495                 break;
 496
 497                 // --- accented characters ------------------------------
 498
 499         case LFUN_UMLAUT:       handleAccent(bv, "ddot"); break;
 500         case LFUN_CIRCUMFLEX:   handleAccent(bv, "hat"); break;
 501         case LFUN_GRAVE:        handleAccent(bv, "grave"); break;
 502         case LFUN_ACUTE:        handleAccent(bv, "acute"); break;
 503         case LFUN_TILDE:        handleAccent(bv, "tilde"); break;
 504         case LFUN_MACRON:       handleAccent(bv, "bar"); break;
 505         case LFUN_DOT:          handleAccent(bv, "dot"); break;
 506         case LFUN_CARON:        handleAccent(bv, "check"); break;
 507         case LFUN_BREVE:        handleAccent(bv, "breve"); break;
 508         case LFUN_VECTOR:       handleAccent(bv, "vec"); break;
 509
 510         //  Math fonts
 511         case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
 512         case LFUN_BOLD:         handleFont(bv, LM_TC_BF); break;
 513         case LFUN_SANS:         handleFont(bv, LM_TC_SF); break;
 514         case LFUN_EMPH:         handleFont(bv, LM_TC_CAL); break;
 515         case LFUN_ROMAN:        handleFont(bv, LM_TC_RM); break;
 516         case LFUN_CODE:         handleFont(bv, LM_TC_TT); break;
 517         case LFUN_NOUN:         handleFont(bv, LM_TC_BB); break;
 518         case LFUN_DEFAULT:      handleFont(bv, LM_TC_VAR); break;
 519
 520         case LFUN_GREEK:
 521                 handleFont(bv, LM_TC_GREEK1);
 522                 if (arg.size())
 523                         mathcursor->interpret(arg);
 524                 break;
 525
 526         case LFUN_MATH_MODE:
 527                 //handleFont(bv, LM_TC_TEXTRM);
 528                 mathcursor->niceInsert(MathAtom(new MathHullInset(LM_OT_SIMPLE)));
 529                 updateLocal(bv, true);
 530                 //bv->owner()->message(_("math text mode toggled"));
 531                 break;
 532
 533         case LFUN_MATH_LIMITS:
 534                 bv->lockedInsetStoreUndo(Undo::EDIT);
 535                 if (mathcursor->toggleLimits())
 536                         updateLocal(bv, true);
 537                 break;
 538
 539         case LFUN_MATH_SIZE:
 540 #if 0
 541                 if (!arg.empty()) {
 542                         bv->lockedInsetStoreUndo(Undo::EDIT);
 543                         mathcursor->setSize(arg);
 544                         updateLocal(bv, true);
 545                 }
 546 #endif
 547                 break;
 548
 549         case LFUN_INSERT_MATRIX:
 550                 if (!arg.empty()) {
 551                         bv->lockedInsetStoreUndo(Undo::EDIT);
 552                         mathcursor->interpret("matrix " + arg);
 553                         updateLocal(bv, true);
 554                 }
 555                 break;
 556
 557         case LFUN_MATH_SPACE:
 558         {
 559                 bv->lockedInsetStoreUndo(Undo::EDIT);
 560                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 561                 updateLocal(bv, true);
 562                 break;
 563         }
 564
 565         case LFUN_SUPERSCRIPT:
 566         case LFUN_SUBSCRIPT:
 567         {
 568                 bv->lockedInsetStoreUndo(Undo::EDIT);
 569                 mathcursor->script((action == LFUN_SUPERSCRIPT));
 570                 updateLocal(bv, true);
 571                 break;
 572         }
 573
 574         case LFUN_MATH_DELIM:
 575         {
 576                 lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 577                 string ls;
 578                 string rs;
 579                 istringstream is(arg.c_str());
 580                 is >> ls >> rs;
 581                 if (!is) {
 582                         lyxerr << "can't parse delimeters from '" << arg << "'\n";
 583                         break;
 584                 }
 585                 bv->lockedInsetStoreUndo(Undo::EDIT);
 586                 mathcursor->handleDelim(ls, rs);
 587                 updateLocal(bv, true);
 588                 break;
 589         }
 590
 591         case LFUN_PROTECTEDSPACE:
 592                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 593                 bv->lockedInsetStoreUndo(Undo::EDIT);
 594                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 595                 updateLocal(bv, true);
 596                 break;
 597
 598         case LFUN_UNDO:
 599                 bv->owner()->message(_("Invalid action in math mode!"));
 600                 break;
 601
 602
 603         case LFUN_MATH_HALIGN:
 604         case LFUN_MATH_VALIGN:
 605         case LFUN_MATH_ROW_INSERT:
 606         case LFUN_MATH_ROW_DELETE:
 607         case LFUN_MATH_COLUMN_INSERT:
 608         case LFUN_MATH_COLUMN_DELETE:
 609         {
 610                 MathInset::idx_type idx = 0;
 611                 MathGridInset * p = mathcursor ? mathcursor->enclosingGrid(idx) : 0;
 612                 if (p) {
 613                         bv->lockedInsetStoreUndo(Undo::EDIT);
 614                         char al = arg.size() ? arg[0] : 'c';
 615                         switch (action) {
 616                                 case LFUN_MATH_HALIGN: p->halign(al, p->col(idx)); break;
 617                                 case LFUN_MATH_VALIGN: p->valign(al); break;
 618                                 case LFUN_MATH_ROW_INSERT: p->addRow(p->row(idx)); break;
 619                                 case LFUN_MATH_ROW_DELETE: p->delRow(p->row(idx)); break;
 620                                 case LFUN_MATH_COLUMN_INSERT: p->addCol(p->col(idx)); break;
 621                                 case LFUN_MATH_COLUMN_DELETE: p->delCol(p->col(idx)); break;
 622                                 default: ;
 623                         }
 624                         updateLocal(bv, true);
 625                 }
 626                 break;
 627         }
 628
 629         case LFUN_EXEC_COMMAND:
 630                 result = UNDISPATCHED;
 631                 break;
 632
 633         case LFUN_BREAKPARAGRAPH:
 634         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 635                 //lyxerr << "LFUN ignored\n";
 636                 break;
 637
 638         case LFUN_INSET_ERT:
 639                 // interpret this as if a backslash was typed
 640                 bv->lockedInsetStoreUndo(Undo::EDIT);
 641                 mathcursor->interpret("\\");
 642                 updateLocal(bv, true);
 643                 break;
 644
 645         case -1:
 646         case LFUN_INSERT_MATH:
 647         case LFUN_SELFINSERT:
 648                 if (!arg.empty()) {
 649                         bv->lockedInsetStoreUndo(Undo::EDIT);
 650                         result = mathcursor->interpret(arg) ? DISPATCHED : FINISHED_RIGHT;
 651                         updateLocal(bv, true);
 652                 }
 653                 break;
 654
 655         case LFUN_MATH_PANEL:
 656                 result = UNDISPATCHED;
 657                 break;
 658
 659         case LFUN_ESCAPE:
 660                 if (mathcursor->selection())
 661                         mathcursor->selClear();
 662                 else
 663                         result = UNDISPATCHED;
 664                 break;
 665
 666         default:
 667                 result = UNDISPATCHED;
 668         }
 669
 670         mathcursor->normalize();
 671
 672         lyx::Assert(mathcursor);
 673
 674         if (mathcursor->selection() || was_selection)
 675                 toggleInsetSelection(bv);
 676
 677         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 678             result == UNDISPATCHED)
 679                 showInsetCursor(bv);
 680         else
 681                 bv->unlockInset(this);
 682
 683         return result;  // original version
 684 }
 685
 686
 687 Inset::Code InsetFormulaBase::lyxCode() const
 688 {
 689         return Inset::MATH_CODE;
 690 }
 691
 692
 693 int InsetFormulaBase::ylow() const
 694 {
 695         return yo_ - ascent(view_, font_);
 696 }
 697
 698
 699 int InsetFormulaBase::yhigh() const
 700 {
 701         return yo_ + descent(view_, font_);
 702 }
 703
 704
 705 int InsetFormulaBase::xlow() const
 706 {
 707         return xo_;
 708 }
 709
 710
 711 int InsetFormulaBase::xhigh() const
 712 {
 713         return xo_ + width(view_, font_);
 714 }
 715
 716
 717 /////////////////////////////////////////////////////////////////////
 718
 719
 720 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 721 {
 722         if (bv->available()) {
 723                 // use selection if available..
 724                 //string sel;
 725                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 726                 //      sel = "";
 727                 //else
 728
 729                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
 730
 731                 InsetFormulaBase * f;
 732                 if (sel.empty()) {
 733                         f = new InsetFormula;
 734                         if (openNewInset(bv, f)) {
 735                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
 736                                 // always changing to mathrm when opening an inlined inset
 737                                 // -- I really hate "LyXfunc overloading"...
 738                                 if (display)
 739                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 740                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 741                         }
 742                 } else {
 743                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 744                         // formula otherwise
 745                         if (sel.find("\\newcommand") == string::npos)
 746                                 f = new InsetFormula(sel);
 747                         else
 748                                 f = new InsetFormulaMacro(sel);
 749                         bv->getLyXText()->cutSelection(bv);
 750                         openNewInset(bv, f);
 751                 }
 752         }
 753         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 754 }
 755
 756
 757 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 758 {
 759         mathDispatchCreation(bv, arg, true);
 760 }
 761
 762
 763 void mathDispatchMathMode(BufferView * bv, string const & arg)
 764 {
 765         mathDispatchCreation(bv, arg, false);
 766 }
 767
 768
 769 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 770 {
 771         mathDispatchCreation(bv, arg, true);
 772 }
 773
 774
 775 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 776 {
 777         if (bv->available()) {
 778                 if (arg.empty())
 779                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 780                 else {
 781                         string s(arg);
 782                         string const s1 = token(s, ' ', 1);
 783                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 784                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 785                 }
 786         }
 787 }
 788
 789
 790 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 791 {
 792         if (bv->available()) {
 793                 if (openNewInset(bv, new InsetFormula))
 794                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 795         }
 796 }
 797
 798
 799 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 800 {
 801         if (bv->available()) {
 802                 if (openNewInset(bv, new InsetFormula))
 803                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 804         }
 805 }
 806
 807
 808 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 809 {
 810         if (bv->available()) {
 811                 if (arg.size() && arg[0] == '\\') {
 812                         InsetFormula * f = new InsetFormula(arg);
 813                         if (!bv->insertInset(f))
 814                                 delete f;
 815                 } else
 816                         mathDispatchMathMode(bv, arg);
 817         }
 818 }
 819
 820
 821 void mathDispatchGreek(BufferView * bv, string const & arg)
 822 {
 823         if (bv->available()) {
 824                 InsetFormula * f = new InsetFormula;
 825                 if (openNewInset(bv, f)) {
 826                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
 827                         bv->unlockInset(f);
 828                 }
 829         }
 830 }
 831
 832
 833 void mathDispatch(BufferView *, kb_action, string const &)
 834 {}