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 "Lsstream.h"
  40 #include "math_arrayinset.h"
  41 #include "math_charinset.h"
  42 #include "math_cursor.h"
  43 #include "math_factory.h"
  44 #include "math_hullinset.h"
  45 #include "math_iterator.h"
  46 #include "math_macrotable.h"
  47 #include "math_parser.h"
  48 #include "math_pos.h"
  49 #include "math_spaceinset.h"
  50 #include "undo_funcs.h"
  51 #include "textpainter.h"
  52 #include "frontends/Dialogs.h"
  53 #include "intl.h"
  54
  55 using std::endl;
  56 using std::ostream;
  57 using std::vector;
  58
  59 MathCursor * mathcursor = 0;
  60
  61
  62 namespace {
  63
  64
  65 // local global
  66 int first_x;
  67 int first_y;
  68
  69
  70 void handleFont(BufferView * bv, string const & arg, MathTextCodes t)
  71 {
  72         if (mathcursor->selection())
  73                 bv->lockedInsetStoreUndo(Undo::EDIT);
  74         mathcursor->handleFont(t);
  75         for (string::const_iterator it = arg.begin(); it != arg.end(); ++it)
  76                 mathcursor->insert(*it);
  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         //lyxerr << "sizeof(MathMetricsInfo): " << sizeof(MathMetricsInfo) << "\n";
 102         //lyxerr << "sizeof(MathCharInset): " << sizeof(MathCharInset) << "\n";
 103 }
 104
 105
 106 // simply scrap this function if you want
 107 void InsetFormulaBase::mutateToText()
 108 {
 109 #if 0
 110         // translate to latex
 111         ostringstream os;
 112         latex(NULL, os, false, false);
 113         string str = os.str();
 114
 115         // insert this text
 116         LyXText * lt = view_->getLyXText();
 117         string::const_iterator cit = str.begin();
 118         string::const_iterator end = str.end();
 119         for (; cit != end; ++cit)
 120                 view_->owner()->getIntl()->getTrans().TranslateAndInsert(*cit, lt);
 121
 122         // remove ourselves
 123         //view_->owner()->getLyXFunc()->dispatch(LFUN_ESCAPE);
 124 #endif
 125 }
 126
 127
 128 // Check if uses AMS macros
 129 void InsetFormulaBase::validate(LaTeXFeatures &) const
 130 {}
 131
 132
 133 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const
 134 {
 135         font_ = f;
 136         metrics(bv);
 137 }
 138
 139
 140 void InsetFormulaBase::metrics(BufferView * bv) const
 141 {
 142         if (bv)
 143                 view_ = bv;
 144         MathMetricsInfo mi(view_, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
 145         par()->metrics(mi);
 146 }
 147
 148
 149 string const InsetFormulaBase::editMessage() const
 150 {
 151         return _("Math editor mode");
 152 }
 153
 154
 155 void InsetFormulaBase::edit(BufferView * bv, int x, int y, unsigned int)
 156 {
 157         if (!bv->lockInset(this))
 158                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 159         delete mathcursor;
 160         mathcursor = new MathCursor(this, true);
 161         metrics(bv);
 162         mathcursor->setPos(x, y);
 163         //lyxerr << "setting pos to " << x << "," << y << "\n";
 164
 165         // if that is removed, we won't get the magenta box when entering an
 166         // inset for the first time
 167         bv->updateInset(this, false);
 168 }
 169
 170
 171 void InsetFormulaBase::edit(BufferView * bv, bool front)
 172 {
 173         if (!bv->lockInset(this))
 174                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 175         delete mathcursor;
 176         mathcursor = new MathCursor(this, front);
 177         metrics(bv);
 178         bv->updateInset(this, false);
 179 }
 180
 181
 182 void InsetFormulaBase::insetUnlock(BufferView * bv)
 183 {
 184         if (mathcursor) {
 185                 if (mathcursor->inMacroMode()) {
 186                         mathcursor->macroModeClose();
 187                         updateLocal(bv, true);
 188                 }
 189                 delete mathcursor;
 190                 mathcursor = 0;
 191         }
 192         bv->updateInset(this, false);
 193 }
 194
 195
 196 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 197 {
 198         mathcursor->getPos(x, y);
 199         //x -= xo_;
 200         y -= yo_;
 201         //lyxerr << "getCursorPos: " << x << " " << y << "\n";
 202 }
 203
 204
 205 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 206 {
 207         if (!mathcursor)
 208                 return;
 209
 210         if (isCursorVisible())
 211                 bv->hideLockedInsetCursor();
 212         else {
 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                 math_font_max_dim(font_, asc, des);
 221                 bv->showLockedInsetCursor(x, y, asc, des);
 222                 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
 223         }
 224
 225         toggleCursorVisible();
 226 }
 227
 228
 229 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 230 {
 231         if (isCursorVisible())
 232                 return;
 233         if (mathcursor) {
 234                 metrics(bv);
 235                 int x;
 236                 int y;
 237                 mathcursor->getPos(x, y);
 238                 y -= yo_;
 239                 int asc = 0;
 240                 int des = 0;
 241                 math_font_max_dim(font_, asc, des);
 242                 bv->fitLockedInsetCursor(x, y, asc, des);
 243                 //lyxerr << "showInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << "\n";
 244         }
 245         toggleInsetCursor(bv);
 246 }
 247
 248
 249 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 250 {
 251         if (isCursorVisible())
 252                 toggleInsetCursor(bv);
 253 }
 254
 255
 256 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 257 {
 258         if (mathcursor)
 259                 bv->updateInset(this, false);
 260 }
 261
 262
 263 vector<string> const InsetFormulaBase::getLabelList() const
 264 {
 265   return vector<string>();
 266 }
 267
 268
 269 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 270 {
 271         metrics(bv);
 272         bv->updateInset(this, dirty);
 273 }
 274
 275
 276 bool InsetFormulaBase::insetButtonRelease(BufferView * bv,
 277                                           int /*x*/, int /*y*/, int button)
 278 {
 279         //lyxerr << "insetButtonRelease: " << x << " " << y << "\n";
 280
 281         if (!mathcursor)
 282                 return false;
 283         hideInsetCursor(bv);
 284         showInsetCursor(bv);
 285         bv->updateInset(this, false);
 286
 287         if (button == 3) {
 288                 // launch math panel for right mouse button
 289                 bv->owner()->getDialogs()->showMathPanel();
 290                 return true;
 291         }
 292         return false;
 293 }
 294
 295
 296 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 297                                         int x, int y, int button)
 298 {
 299         //lyxerr << "insetButtonPress: "
 300         //      << x << " " << y << " but: " << button << "\n";
 301
 302         switch (button) {
 303                 default:
 304                 case 1:
 305                         // left click
 306                         delete mathcursor;
 307                         mathcursor = new MathCursor(this, x == 0);
 308                         metrics(bv);
 309                         first_x = x;
 310                         first_y = y;
 311                         mathcursor->selClear();
 312                         mathcursor->setPos(x + xo_, y + yo_);
 313                         break;
 314 /*
 315                 case 2:
 316                         lyxerr << "insetButtonPress: 2\n";
 317                         // insert stuff
 318                         if (mathcursor) {
 319                                 bv->lockedInsetStoreUndo(Undo::EDIT);
 320                                 MathArray ar;
 321                                 mathcursor->selGet(ar);
 322                                 mathcursor->setPos(x + xo_, y + yo_);
 323                                 string sel =
 324                                         bv->getLyXText()->selectionAsString(bv->buffer(), false);
 325                                 mathed_parse_cell(ar, sel);
 326                                 mathcursor->insert(ar);
 327                         }
 328                         break;
 329 */
 330                 case 3:
 331                         // launch math panel for right mouse button
 332                         bv->owner()->getDialogs()->showMathPanel();
 333                         break;
 334         }
 335         bv->updateInset(this, false);
 336 }
 337
 338
 339 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 340                                          int x, int y, int /*button*/)
 341 {
 342         if (!mathcursor)
 343                 return;
 344
 345         if (abs(x - first_x) < 2 && abs(y - first_y) < 2) {
 346                 //lyxerr << "insetMotionNotify: ignored\n";
 347                 return;
 348         }
 349         first_x = x;
 350         first_y = y;
 351
 352         if (!mathcursor->selection())
 353                 mathcursor->selStart();
 354
 355         //lyxerr << "insetMotionNotify: " << x + xo_ << ' ' << y + yo_
 356         //      << ' ' << button << "\n";
 357         hideInsetCursor(bv);
 358         mathcursor->setPos(x + xo_, y + yo_);
 359         showInsetCursor(bv);
 360         bv->updateInset(this, false);
 361 }
 362
 363
 364 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 365 {
 366         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 367 }
 368
 369
 370 UpdatableInset::RESULT
 371 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 372                             string const & arg)
 373 {
 374         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 375         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 376
 377         if (!mathcursor)
 378                 return UNDISPATCHED;
 379
 380         RESULT result      = DISPATCHED;
 381         bool sel           = false;
 382         bool was_macro     = mathcursor->inMacroMode();
 383         bool was_selection = mathcursor->selection();
 384
 385         hideInsetCursor(bv);
 386
 387         mathcursor->normalize();
 388         mathcursor->touch();
 389
 390         switch (action) {
 391
 392                 // --- Cursor Movements ---------------------------------------------
 393
 394         case LFUN_RIGHTSEL:
 395                 sel = true; // fall through...
 396
 397         case LFUN_RIGHT:
 398                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 399                 //lyxerr << "calling scroll 20\n";
 400                 //scroll(bv, 20);
 401                 updateLocal(bv, false);
 402                 // write something to the minibuffer
 403                 //bv->owner()->message(mathcursor->info());
 404                 break;
 405
 406
 407         case LFUN_LEFTSEL:
 408                 sel = true; // fall through
 409
 410         case LFUN_LEFT:
 411                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 412                 updateLocal(bv, false);
 413                 break;
 414
 415
 416         case LFUN_UPSEL:
 417                 sel = true;
 418
 419         case LFUN_UP:
 420                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 421                 updateLocal(bv, false);
 422                 break;
 423
 424
 425         case LFUN_DOWNSEL:
 426                 sel = true;
 427
 428         case LFUN_DOWN:
 429                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 430                 updateLocal(bv, false);
 431                 break;
 432
 433         case LFUN_HOMESEL:
 434                 sel = true;
 435
 436         case LFUN_HOME:
 437                 mathcursor->home(sel);
 438                 updateLocal(bv, false);
 439                 break;
 440
 441         case LFUN_ENDSEL:
 442                 sel = true;
 443
 444         case LFUN_END:
 445                 mathcursor->end(sel);
 446                 updateLocal(bv, false);
 447                 break;
 448
 449         case LFUN_DELETE_LINE_FORWARD:
 450                 bv->lockedInsetStoreUndo(Undo::DELETE);
 451                 mathcursor->delLine();
 452                 updateLocal(bv, true);
 453                 break;
 454
 455         case LFUN_TAB:
 456                 mathcursor->idxNext();
 457                 updateLocal(bv, false);
 458                 break;
 459
 460         case LFUN_SHIFT_TAB:
 461                 mathcursor->idxPrev();
 462                 updateLocal(bv, false);
 463                 break;
 464
 465         case LFUN_TABINSERT:
 466                 bv->lockedInsetStoreUndo(Undo::EDIT);
 467                 mathcursor->splitCell();
 468                 updateLocal(bv, true);
 469                 break;
 470
 471         case LFUN_DELETE_WORD_BACKWARD:
 472         case LFUN_BACKSPACE:
 473                 bv->lockedInsetStoreUndo(Undo::DELETE);
 474                 mathcursor->backspace();
 475                 bv->updateInset(this, true);
 476                 break;
 477
 478         case LFUN_DELETE_WORD_FORWARD:
 479         case LFUN_DELETE:
 480                 bv->lockedInsetStoreUndo(Undo::DELETE);
 481                 mathcursor->erase();
 482                 bv->updateInset(this, true);
 483                 break;
 484
 485         //    case LFUN_GETXY:
 486         //      sprintf(dispatch_buffer, "%d %d",);
 487         //      dispatch_result = dispatch_buffer;
 488         //      break;
 489         case LFUN_SETXY: {
 490                 lyxerr << "LFUN_SETXY broken!\n";
 491                 int x = 0;
 492                 int y = 0;
 493                 istringstream is(arg.c_str());
 494                 is >> x >> y;
 495                 mathcursor->setPos(x, y);
 496                 updateLocal(bv, false);
 497                 break;
 498         }
 499
 500         case LFUN_PASTE:
 501                 if (was_macro)
 502                         mathcursor->macroModeClose();
 503                 bv->lockedInsetStoreUndo(Undo::EDIT);
 504                 mathcursor->selPaste();
 505                 updateLocal(bv, true);
 506                 break;
 507
 508         case LFUN_CUT:
 509                 bv->lockedInsetStoreUndo(Undo::DELETE);
 510                 mathcursor->selCut();
 511                 updateLocal(bv, true);
 512                 break;
 513
 514         case LFUN_COPY:
 515                 mathcursor->selCopy();
 516                 break;
 517
 518         case LFUN_WORDRIGHTSEL:
 519         case LFUN_WORDLEFTSEL:
 520                 break;
 521
 522         // Special casing for superscript in case of LyX handling
 523         // dead-keys:
 524         case LFUN_CIRCUMFLEX:
 525                 if (arg.empty()) {
 526                         // do superscript if LyX handles
 527                         // deadkeys
 528                         bv->lockedInsetStoreUndo(Undo::EDIT);
 529                         mathcursor->script(true);
 530                         updateLocal(bv, true);
 531                 }
 532                 break;
 533         case LFUN_UMLAUT:
 534         case LFUN_ACUTE:
 535         case LFUN_GRAVE:
 536         case LFUN_BREVE:
 537         case LFUN_DOT:
 538         case LFUN_MACRON:
 539         case LFUN_CARON:
 540         case LFUN_TILDE:
 541         case LFUN_CEDILLA:
 542         case LFUN_CIRCLE:
 543         case LFUN_UNDERDOT:
 544         case LFUN_TIE:
 545         case LFUN_OGONEK:
 546         case LFUN_HUNG_UMLAUT:
 547                 break;
 548
 549         //  Math fonts
 550         case LFUN_GREEK_TOGGLE: handleFont(bv, arg, LM_TC_GREEK); break;
 551         case LFUN_BOLD:         handleFont(bv, arg, LM_TC_BF); break;
 552         case LFUN_SANS:         handleFont(bv, arg, LM_TC_SF); break;
 553         case LFUN_EMPH:         handleFont(bv, arg, LM_TC_CAL); break;
 554         case LFUN_ROMAN:        handleFont(bv, arg, LM_TC_RM); break;
 555         case LFUN_CODE:         handleFont(bv, arg, LM_TC_TT); break;
 556         case LFUN_FRAK:         handleFont(bv, arg, LM_TC_EUFRAK); break;
 557         case LFUN_ITAL:         handleFont(bv, arg, LM_TC_IT); break;
 558         case LFUN_NOUN:         handleFont(bv, arg, LM_TC_BB); break;
 559         case LFUN_DEFAULT:      handleFont(bv, arg, LM_TC_VAR); break;
 560         case LFUN_FREE:         handleFont(bv, arg, LM_TC_TEXTRM); break;
 561
 562         case LFUN_GREEK:
 563                 handleFont(bv, arg, LM_TC_GREEK1);
 564                 if (arg.size())
 565                         mathcursor->interpret(arg);
 566                 break;
 567
 568         case LFUN_MATH_MODE:
 569 #if 1
 570                 handleFont(bv, arg, LM_TC_TEXTRM);
 571 #endif
 572
 573 #if 0
 574                 mathcursor->niceInsert(MathAtom(new MathHullInset(LM_OT_SIMPLE)));
 575                 updateLocal(bv, true);
 576 #endif
 577
 578                 //bv->owner()->message(_("math text mode toggled"));
 579                 break;
 580
 581         case LFUN_MATH_LIMITS:
 582                 bv->lockedInsetStoreUndo(Undo::EDIT);
 583                 if (mathcursor->toggleLimits())
 584                         updateLocal(bv, true);
 585                 break;
 586
 587         case LFUN_MATH_SIZE:
 588 #if 0
 589                 if (!arg.empty()) {
 590                         bv->lockedInsetStoreUndo(Undo::EDIT);
 591                         mathcursor->setSize(arg);
 592                         updateLocal(bv, true);
 593                 }
 594 #endif
 595                 break;
 596
 597         case LFUN_INSERT_MATRIX:
 598                 if (!arg.empty()) {
 599                         bv->lockedInsetStoreUndo(Undo::EDIT);
 600                         mathcursor->interpret("matrix " + arg);
 601                         updateLocal(bv, true);
 602                 }
 603                 break;
 604
 605         case LFUN_MATH_SPACE:
 606         {
 607                 bv->lockedInsetStoreUndo(Undo::EDIT);
 608                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 609                 updateLocal(bv, true);
 610                 break;
 611         }
 612
 613         case LFUN_SUPERSCRIPT:
 614         case LFUN_SUBSCRIPT:
 615         {
 616                 bv->lockedInsetStoreUndo(Undo::EDIT);
 617                 mathcursor->script((action == LFUN_SUPERSCRIPT));
 618                 updateLocal(bv, true);
 619                 break;
 620         }
 621
 622         case LFUN_MATH_DELIM:
 623         {
 624                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 625                 string ls;
 626                 string rs = split(arg, ls, ' ');
 627                 // Reasonable default values
 628                 if (ls.empty())
 629                         ls = '(';
 630                 if (rs.empty())
 631                         rs = ')';
 632
 633                 bv->lockedInsetStoreUndo(Undo::EDIT);
 634                 mathcursor->handleDelim(ls, rs);
 635                 updateLocal(bv, true);
 636                 break;
 637         }
 638
 639         case LFUN_PROTECTEDSPACE:
 640                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 641                 bv->lockedInsetStoreUndo(Undo::EDIT);
 642                 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
 643                 updateLocal(bv, true);
 644                 break;
 645
 646         case LFUN_UNDO:
 647                 bv->owner()->message(_("Invalid action in math mode!"));
 648                 break;
 649
 650
 651         case LFUN_MATH_HALIGN:
 652         case LFUN_MATH_VALIGN:
 653         case LFUN_MATH_ROW_INSERT:
 654         case LFUN_MATH_ROW_DELETE:
 655         case LFUN_MATH_COLUMN_INSERT:
 656         case LFUN_MATH_COLUMN_DELETE:
 657         {
 658                 MathInset::idx_type idx = 0;
 659                 MathGridInset * p = mathcursor ? mathcursor->enclosingGrid(idx) : 0;
 660                 if (p) {
 661                         mathcursor->popToEnclosingGrid();
 662                         bv->lockedInsetStoreUndo(Undo::EDIT);
 663                         char align = arg.size() ? arg[0] : 'c';
 664                         switch (action) {
 665                                 case LFUN_MATH_HALIGN: p->halign(align, p->col(idx)); break;
 666                                 case LFUN_MATH_VALIGN: p->valign(align); break;
 667                                 case LFUN_MATH_ROW_INSERT: p->addRow(p->row(idx)); break;
 668                                 case LFUN_MATH_ROW_DELETE: p->delRow(p->row(idx)); break;
 669                                 case LFUN_MATH_COLUMN_INSERT: p->addCol(p->col(idx)); break;
 670                                 case LFUN_MATH_COLUMN_DELETE: p->delCol(p->col(idx)); break;
 671                                 default: ;
 672                         }
 673                         updateLocal(bv, true);
 674                 }
 675                 break;
 676         }
 677
 678         case LFUN_EXEC_COMMAND:
 679                 result = UNDISPATCHED;
 680                 break;
 681
 682         case LFUN_BREAKPARAGRAPH:
 683         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 684                 //lyxerr << "LFUN ignored\n";
 685                 break;
 686
 687         case LFUN_INSET_ERT:
 688                 // interpret this as if a backslash was typed
 689                 bv->lockedInsetStoreUndo(Undo::EDIT);
 690                 mathcursor->interpret('\\');
 691                 updateLocal(bv, true);
 692                 break;
 693
 694         case -1:
 695         case LFUN_INSERT_MATH:
 696         case LFUN_SELFINSERT:
 697                 if (!arg.empty()) {
 698                         bv->lockedInsetStoreUndo(Undo::EDIT);
 699                         if (arg.size() == 1)
 700                                 result = mathcursor->interpret(arg[0]) ? DISPATCHED : FINISHED_RIGHT;
 701                         else
 702                                 result = mathcursor->interpret(arg) ? DISPATCHED : FINISHED_RIGHT;
 703                         updateLocal(bv, true);
 704                 }
 705                 break;
 706
 707         case LFUN_MATH_PANEL:
 708                 result = UNDISPATCHED;
 709                 break;
 710
 711         case LFUN_ESCAPE:
 712                 if (mathcursor->selection())
 713                         mathcursor->selClear();
 714                 else
 715                         result = UNDISPATCHED;
 716                 break;
 717
 718         default:
 719                 result = UNDISPATCHED;
 720         }
 721
 722         mathcursor->normalize();
 723         mathcursor->touch();
 724
 725         lyx::Assert(mathcursor);
 726
 727         if (mathcursor->selection() || was_selection)
 728                 toggleInsetSelection(bv);
 729
 730         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 731             result == UNDISPATCHED)
 732                 showInsetCursor(bv);
 733         else
 734                 bv->unlockInset(this);
 735
 736         revealCodes(bv);
 737
 738         return result;  // original version
 739 }
 740
 741
 742 void InsetFormulaBase::revealCodes(BufferView * /*bv*/) const
 743 {
 744         if (!mathcursor)
 745                 return;
 746 #if 0
 747         // write something to the minibuffer
 748         // translate to latex
 749         mathcursor->markInsert();
 750         ostringstream os;
 751         write(NULL, os);
 752         string str = os.str();
 753         mathcursor->markErase();
 754         string::size_type pos = 0;
 755         string res;
 756         for (string::iterator it = str.begin(); it != str.end(); ++it) {
 757                 if (*it == '\n')
 758                         res += ' ';
 759                 else if (*it == '\0') {
 760                         res += "  -X-  ";
 761                         pos = it - str.begin();
 762                 }
 763                 else
 764                         res += *it;
 765         }
 766         if (pos > 30)
 767                 res = res.substr(pos - 30);
 768         if (res.size() > 60)
 769                 res = res.substr(0, 60);
 770         bv->owner()->message(res);
 771 #endif
 772 }
 773
 774
 775 Inset::Code InsetFormulaBase::lyxCode() const
 776 {
 777         return Inset::MATH_CODE;
 778 }
 779
 780
 781 int InsetFormulaBase::ylow() const
 782 {
 783         return yo_ - ascent(view_, font_);
 784 }
 785
 786
 787 int InsetFormulaBase::yhigh() const
 788 {
 789         return yo_ + descent(view_, font_);
 790 }
 791
 792
 793 int InsetFormulaBase::xlow() const
 794 {
 795         return xo_;
 796 }
 797
 798
 799 int InsetFormulaBase::xhigh() const
 800 {
 801         return xo_ + width(view_, font_);
 802 }
 803
 804
 805 /////////////////////////////////////////////////////////////////////
 806
 807
 808 bool InsetFormulaBase::searchForward(BufferView * bv, string const & str,
 809                                      bool, bool)
 810 {
 811 #ifdef WITH_WARNINGS
 812 #warning pretty ugly
 813 #endif
 814         static InsetFormulaBase * lastformula = 0;
 815         static MathIterator current = MathIterator(ibegin(par().nucleus()));
 816         static MathArray ar;
 817         static string laststr;
 818
 819         if (lastformula != this || laststr != str) {
 820                 //lyxerr << "reset lastformula to " << this << "\n";
 821                 lastformula = this;
 822                 laststr = str;
 823                 current = ibegin(par().nucleus());
 824                 ar.clear();
 825                 mathed_parse_cell(ar, str);
 826         } else {
 827                 ++current;
 828         }
 829         //lyxerr << "searching '" << str << "' in " << this << ar << endl;
 830
 831         for (MathIterator it = current; it != iend(par().nucleus()); ++it) {
 832                 if (it.cell().matchpart(ar, it.position().pos_)) {
 833                         mathcursor->setSelection(it.cursor(), ar.size());
 834                         current = it;
 835                         it.jump(ar.size());
 836                         // I guess some of the following can go
 837                         bv->toggleSelection(true);
 838                         hideInsetCursor(bv);
 839                         updateLocal(bv, true);
 840                         showInsetCursor(bv);
 841                         metrics(bv);
 842                         return true;
 843                 }
 844         }
 845
 846         //lyxerr << "not found!\n";
 847         lastformula = 0;
 848         // we have to unlock ourself in this function by default!
 849         // don't ask me why...
 850         bv->unlockInset(this);
 851         return false;
 852 }
 853
 854
 855 bool InsetFormulaBase::searchBackward(BufferView * bv, string const & what,
 856                                       bool a, bool b)
 857 {
 858         lyxerr << "searching backward not implemented in mathed" << endl;
 859         return searchForward(bv, what, a, b);
 860 }
 861
 862
 863 /////////////////////////////////////////////////////////////////////
 864
 865
 866 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 867 {
 868         if (bv->available()) {
 869                 // use selection if available..
 870                 //string sel;
 871                 //if (action == LFUN_MATH_IMPORT_SELECTION)
 872                 //      sel = "";
 873                 //else
 874
 875                 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
 876
 877                 InsetFormulaBase * f;
 878                 if (sel.empty()) {
 879                         f = new InsetFormula;
 880                         if (openNewInset(bv, f)) {
 881                                 // don't do that also for LFUN_MATH_MODE unless you want end up with
 882                                 // always changing to mathrm when opening an inlined inset
 883                                 // -- I really hate "LyXfunc overloading"...
 884                                 if (display)
 885                                         f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 886                                 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 887                         }
 888                 } else {
 889                         // create a macro if we see "\\newcommand" somewhere, and an ordinary
 890                         // formula otherwise
 891                         if (sel.find("\\newcommand") == string::npos &&
 892                                   sel.find("\\def") == string::npos)
 893                                 f = new InsetFormula(sel);
 894                         else {
 895                                 string name;
 896                                 if (!mathed_parse_macro(name, sel))
 897                                         return;
 898                                 f = new InsetFormulaMacro(sel);
 899                         }
 900                         bv->getLyXText()->cutSelection(bv);
 901                         openNewInset(bv, f);
 902                 }
 903         }
 904         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 905 }
 906
 907
 908 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 909 {
 910         mathDispatchCreation(bv, arg, true);
 911 }
 912
 913
 914 void mathDispatchMathMode(BufferView * bv, string const & arg)
 915 {
 916         mathDispatchCreation(bv, arg, false);
 917 }
 918
 919
 920 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 921 {
 922         mathDispatchCreation(bv, arg, true);
 923 }
 924
 925
 926 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 927 {
 928         if (bv->available()) {
 929                 if (arg.empty())
 930                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 931                 else {
 932                         string s = arg;
 933                         string const s1 = token(s, ' ', 1);
 934                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 935                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 936                 }
 937         }
 938 }
 939
 940
 941 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 942 {
 943         if (bv->available()) {
 944                 if (openNewInset(bv, new InsetFormula))
 945                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 946         }
 947 }
 948
 949
 950 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 951 {
 952         if (bv->available()) {
 953                 if (openNewInset(bv, new InsetFormula))
 954                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 955         }
 956 }
 957
 958
 959 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 960 {
 961         if (bv->available()) {
 962                 if (arg.size() && arg[0] == '\\') {
 963                         InsetFormula * f = new InsetFormula(arg);
 964                         if (!bv->insertInset(f))
 965                                 delete f;
 966                         else if (!mathcursor) // hotfix
 967                                 bv->getLyXText()->cursorRight(bv);
 968                 } else {
 969                         mathDispatchMathMode(bv, arg);
 970                 }
 971         }
 972 }
 973
 974
 975 void mathDispatchGreek(BufferView * bv, string const & arg)
 976 {
 977         if (bv->available()) {
 978                 InsetFormula * f = new InsetFormula;
 979                 if (openNewInset(bv, f)) {
 980                         bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
 981                         bv->unlockInset(f);
 982                 }
 983         }
 984 }
 985
 986
 987 void mathDispatch(BufferView *, kb_action, string const &)
 988 {}