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 "lyxrc.h"
  28 #include "commandtags.h"
  29 #include "BufferView.h"
  30 #include "lyxtext.h"
  31 #include "lyxfunc.h"
  32 #include "gettext.h"
  33 #include "LaTeXFeatures.h"
  34 #include "debug.h"
  35 #include "math_support.h"
  36 #include "support/lstrings.h"
  37 #include "frontends/LyXView.h"
  38 #include "frontends/font_metrics.h"
  39 #include "frontends/mouse_state.h"
  40 #include "Lsstream.h"
  41 #include "math_arrayinset.h"
  42 #include "math_charinset.h"
  43 #include "math_cursor.h"
  44 #include "math_factory.h"
  45 #include "math_fontinset.h"
  46 #include "math_hullinset.h"
  47 #include "math_iterator.h"
  48 #include "math_macrotable.h"
  49 #include "math_parser.h"
  50 #include "math_pos.h"
  51 #include "math_spaceinset.h"
  52 #include "undo_funcs.h"
  53 #include "textpainter.h"
  54 #include "frontends/Dialogs.h"
  55 #include "intl.h"
  56 #include "insets/insetcommandparams.h"
  57
  58 #include "ref_inset.h"
  59
  60 using std::endl;
  61 using std::ostream;
  62 using std::vector;
  63 using std::abs;
  64
  65 MathCursor * mathcursor = 0;
  66
  67
  68 namespace {
  69
  70 // local global
  71 int first_x;
  72 int first_y;
  73
  74
  75
  76 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  77 {
  78         if (!bv->insertInset(new_inset)) {
  79                 delete new_inset;
  80                 return false;
  81         }
  82         new_inset->edit(bv, true);
  83         return true;
  84 }
  85
  86
  87 } // namespace anon
  88
  89
  90
  91 InsetFormulaBase::InsetFormulaBase()
  92         : view_(0), font_(), xo_(0), yo_(0)
  93 {
  94         // This is needed as long the math parser is not re-entrant
  95         MathMacroTable::builtinMacros();
  96         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
  97         //lyxerr << "sizeof(MathMetricsInfo): " << sizeof(MathMetricsInfo) << "\n";
  98         //lyxerr << "sizeof(MathCharInset): " << sizeof(MathCharInset) << "\n";
  99         //lyxerr << "sizeof(LyXFont): " << sizeof(LyXFont) << "\n";
 100 }
 101
 102
 103 // simply scrap this function if you want
 104 void InsetFormulaBase::mutateToText()
 105 {
 106 #if 0
 107         // translate to latex
 108         ostringstream os;
 109         latex(NULL, os, false, false);
 110         string str = os.str();
 111
 112         // insert this text
 113         LyXText * lt = view_->getLyXText();
 114         string::const_iterator cit = str.begin();
 115         string::const_iterator end = str.end();
 116         for (; cit != end; ++cit)
 117                 view_->owner()->getIntl()->getTransManager().TranslateAndInsert(*cit, lt);
 118
 119         // remove ourselves
 120         //view_->owner()->getLyXFunc()->dispatch(LFUN_ESCAPE);
 121 #endif
 122 }
 123
 124
 125 void InsetFormulaBase::handleFont
 126         (BufferView * bv, string const & arg, string const & font)
 127 {
 128         bv->lockedInsetStoreUndo(Undo::EDIT);
 129         bool sel = mathcursor->selection();
 130         if (sel)
 131                 updateLocal(bv, true);
 132         mathcursor->handleNest(new MathFontInset(font));
 133         mathcursor->insert(arg);
 134         if (!sel)
 135                 updateLocal(bv, false);
 136 }
 137
 138
 139 // Check if uses AMS macros
 140 void InsetFormulaBase::validate(LaTeXFeatures &) const
 141 {}
 142
 143
 144 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const
 145 {
 146         font_ = f;
 147         metrics(bv);
 148 }
 149
 150
 151 void InsetFormulaBase::metrics(BufferView * bv) const
 152 {
 153         if (bv)
 154                 view_ = bv;
 155         MathMetricsInfo mi;
 156         mi.view       = view_;
 157         //mi.base.style = display() ? LM_ST_DISPLAY : LM_ST_TEXT;
 158         mi.base.style = LM_ST_TEXT;
 159         mi.base.font  = font_;
 160         mi.base.font.setColor(LColor::math);
 161         par()->metrics(mi);
 162 }
 163
 164
 165 string const InsetFormulaBase::editMessage() const
 166 {
 167         return _("Math editor mode");
 168 }
 169
 170
 171 void InsetFormulaBase::edit(BufferView * bv, int x, int y, mouse_button::state)
 172 {
 173         if (!bv->lockInset(this))
 174                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 175         delete mathcursor;
 176         mathcursor = new MathCursor(this, true);
 177         metrics(bv);
 178         mathcursor->setPos(x, y);
 179         //lyxerr << "setting pos to " << x << "," << y << "\n";
 180
 181         // if that is removed, we won't get the magenta box when entering an
 182         // inset for the first time
 183         bv->updateInset(this, false);
 184 }
 185
 186
 187 void InsetFormulaBase::edit(BufferView * bv, bool front)
 188 {
 189         if (!bv->lockInset(this))
 190                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 191         delete mathcursor;
 192         mathcursor = new MathCursor(this, front);
 193         metrics(bv);
 194         bv->updateInset(this, false);
 195 }
 196
 197
 198 void InsetFormulaBase::insetUnlock(BufferView * bv)
 199 {
 200         if (mathcursor) {
 201                 if (mathcursor->inMacroMode()) {
 202                         mathcursor->macroModeClose();
 203                         updateLocal(bv, true);
 204                 }
 205                 delete mathcursor;
 206                 mathcursor = 0;
 207         }
 208         bv->updateInset(this, false);
 209 }
 210
 211
 212 void InsetFormulaBase::getCursorPos(BufferView * bv, int & x, int & y) const
 213 {
 214         metrics(bv);
 215         mathcursor->getPos(x, y);
 216         //x -= xo_;
 217         y -= yo_;
 218         //lyxerr << "getCursorPos: " << x << " " << y << "\n";
 219 }
 220
 221
 222 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 223 {
 224         if (!mathcursor)
 225                 return;
 226
 227         if (isCursorVisible())
 228                 bv->hideLockedInsetCursor();
 229         else {
 230                 metrics(bv);
 231                 int x = 0;
 232                 int y = 0;
 233                 mathcursor->getPos(x, y);
 234                 y -= yo_;
 235                 int asc = 0;
 236                 int des = 0;
 237                 math_font_max_dim(font_, asc, des);
 238                 bv->showLockedInsetCursor(x, y, asc, des);
 239                 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
 240         }
 241
 242         toggleCursorVisible();
 243 }
 244
 245
 246 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 247 {
 248         if (isCursorVisible())
 249                 return;
 250         if (mathcursor) {
 251                 metrics(bv);
 252                 int x;
 253                 int y;
 254                 mathcursor->getPos(x, y);
 255                 y -= yo_;
 256                 int asc = 0;
 257                 int des = 0;
 258                 math_font_max_dim(font_, asc, des);
 259                 bv->fitLockedInsetCursor(x, y, asc, des);
 260                 //lyxerr << "showInsetCursor: x: " << x << " y: " << y << " yo: " << yo_ << "\n";
 261         }
 262         toggleInsetCursor(bv);
 263 }
 264
 265
 266 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 267 {
 268         if (isCursorVisible())
 269                 toggleInsetCursor(bv);
 270 }
 271
 272
 273 void InsetFormulaBase::fitInsetCursor(BufferView * bv) const
 274 {
 275         if (!mathcursor)
 276                 return;
 277
 278         int const asc = font_metrics::maxAscent(font_);
 279         int const desc = font_metrics::maxDescent(font_);
 280         int x, y;
 281
 282         getCursorPos(bv, x, y);
 283         bv->fitLockedInsetCursor(x, y, asc, desc);
 284 }
 285
 286
 287 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 288 {
 289         if (mathcursor)
 290                 bv->updateInset(this, false);
 291 }
 292
 293
 294 vector<string> const InsetFormulaBase::getLabelList() const
 295 {
 296   return vector<string>();
 297 }
 298
 299
 300 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 301 {
 302         metrics(bv);
 303         if (mathcursor)
 304                 bv->fitCursor();
 305         bv->updateInset(this, dirty);
 306 }
 307
 308
 309 bool InsetFormulaBase::insetButtonRelease(BufferView * bv,
 310         int /*x*/, int /*y*/, mouse_button::state button)
 311 {
 312         //lyxerr << "insetButtonRelease: " << x << " " << y << "\n";
 313
 314         if (!mathcursor)
 315                 return false;
 316         hideInsetCursor(bv);
 317         showInsetCursor(bv);
 318         bv->updateInset(this, false);
 319
 320         if (button == mouse_button::button3) {
 321                 // try to dispatch to enclosed insets first
 322                 if (mathcursor->dispatch("mouse 3"))
 323                         return true;
 324
 325                 // launch math panel for right mouse button
 326                 bv->owner()->getDialogs()->showMathPanel();
 327                 return true;
 328         }
 329         return false;
 330 }
 331
 332
 333 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 334                                         int x, int y, mouse_button::state button)
 335 {
 336         //lyxerr << "insetButtonPress: "
 337         //      << x << " " << y << " but: " << button << "\n";
 338 #if 0
 339         switch (button) {
 340                 default:
 341                 case 1:
 342                         // left click
 343                         delete mathcursor;
 344                         mathcursor = new MathCursor(this, x == 0);
 345                         metrics(bv);
 346                         first_x = x;
 347                         first_y = y;
 348                         mathcursor->selClear();
 349                         mathcursor->setPos(x + xo_, y + yo_);
 350                         break;
 351 /*
 352                 case 2:
 353                         lyxerr << "insetButtonPress: 2\n";
 354                         // insert stuff
 355                         if (mathcursor) {
 356                                 bv->lockedInsetStoreUndo(Undo::EDIT);
 357                                 MathArray ar;
 358                                 mathcursor->selGet(ar);
 359                                 mathcursor->setPos(x + xo_, y + yo_);
 360                                 string sel =
 361                                         bv->getLyXText()->selectionAsString(bv->buffer(), false);
 362                                 mathed_parse_cell(ar, sel);
 363                                 mathcursor->insert(ar);
 364                         }
 365                         break;
 366 */
 367                 case 3:
 368                         // launch math panel for right mouse button
 369                         bv->owner()->getDialogs()->showMathPanel();
 370                         break;
 371         }
 372 #else
 373         if (button == mouse_button::button1 || !mathcursor) {
 374                 delete mathcursor;
 375                 mathcursor = new MathCursor(this, x == 0);
 376                 metrics(bv);
 377                 first_x = x;
 378                 first_y = y;
 379                 mathcursor->selClear();
 380                 mathcursor->setPos(x + xo_, y + yo_);
 381         }
 382 #if 0
 383 #warning Never launch a Dialog on "Press" event ONLY on "Release" event!
 384         if (button == 3) {
 385                 // launch math panel for right mouse button
 386                 bv->owner()->getDialogs()->showMathPanel();
 387         }
 388 #endif
 389 #endif
 390         bv->updateInset(this, false);
 391 }
 392
 393
 394 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 395         int x, int y, mouse_button::state)
 396 {
 397         if (!mathcursor)
 398                 return;
 399
 400         if (abs(x - first_x) < 2 && abs(y - first_y) < 2) {
 401                 //lyxerr << "insetMotionNotify: ignored\n";
 402                 return;
 403         }
 404         first_x = x;
 405         first_y = y;
 406
 407         if (!mathcursor->selection())
 408                 mathcursor->selStart();
 409
 410         //lyxerr << "insetMotionNotify: " << x + xo_ << ' ' << y + yo_
 411         //      << ' ' << button << "\n";
 412         hideInsetCursor(bv);
 413         mathcursor->setPos(x + xo_, y + yo_);
 414         showInsetCursor(bv);
 415         bv->updateInset(this, false);
 416 }
 417
 418
 419 UpdatableInset::RESULT
 420 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 421                             string const & arg)
 422 {
 423         //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
 424         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 425
 426         if (!mathcursor)
 427                 return UNDISPATCHED;
 428
 429         RESULT result      = DISPATCHED;
 430         bool sel           = false;
 431         bool was_macro     = mathcursor->inMacroMode();
 432         bool was_selection = mathcursor->selection();
 433
 434         hideInsetCursor(bv);
 435
 436         mathcursor->normalize();
 437         mathcursor->touch();
 438
 439         switch (action) {
 440
 441         // --- Cursor Movements ---------------------------------------------
 442
 443         case LFUN_RIGHTSEL:
 444                 sel = true; // fall through...
 445
 446         case LFUN_RIGHT:
 447                 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
 448                 //lyxerr << "calling scroll 20\n";
 449                 //scroll(bv, 20);
 450                 updateLocal(bv, false);
 451                 // write something to the minibuffer
 452                 //bv->owner()->message(mathcursor->info());
 453                 break;
 454
 455
 456         case LFUN_LEFTSEL:
 457                 sel = true; // fall through
 458
 459         case LFUN_LEFT:
 460                 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
 461                 updateLocal(bv, false);
 462                 break;
 463
 464
 465         case LFUN_UPSEL:
 466                 sel = true;
 467
 468         case LFUN_UP:
 469                 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
 470                 updateLocal(bv, false);
 471                 break;
 472
 473
 474         case LFUN_DOWNSEL:
 475                 sel = true;
 476
 477         case LFUN_DOWN:
 478                 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
 479                 updateLocal(bv, false);
 480                 break;
 481
 482         case LFUN_HOMESEL:
 483                 sel = true;
 484
 485         case LFUN_HOME:
 486                 mathcursor->home(sel);
 487                 updateLocal(bv, false);
 488                 break;
 489
 490         case LFUN_ENDSEL:
 491                 sel = true;
 492
 493         case LFUN_END:
 494                 mathcursor->end(sel);
 495                 updateLocal(bv, false);
 496                 break;
 497
 498         case LFUN_DELETE_LINE_FORWARD:
 499                 bv->lockedInsetStoreUndo(Undo::DELETE);
 500                 mathcursor->delLine();
 501                 updateLocal(bv, true);
 502                 break;
 503
 504         case LFUN_TAB:
 505                 mathcursor->idxNext();
 506                 updateLocal(bv, false);
 507                 break;
 508
 509         case LFUN_SHIFT_TAB:
 510                 mathcursor->idxPrev();
 511                 updateLocal(bv, false);
 512                 break;
 513
 514         case LFUN_TABINSERT:
 515                 bv->lockedInsetStoreUndo(Undo::EDIT);
 516                 mathcursor->splitCell();
 517                 updateLocal(bv, true);
 518                 break;
 519
 520         case LFUN_DELETE_WORD_BACKWARD:
 521         case LFUN_BACKSPACE:
 522                 bv->lockedInsetStoreUndo(Undo::DELETE);
 523                 mathcursor->backspace();
 524                 updateLocal(bv, true);
 525                 break;
 526
 527         case LFUN_DELETE_WORD_FORWARD:
 528         case LFUN_DELETE:
 529                 bv->lockedInsetStoreUndo(Undo::DELETE);
 530                 mathcursor->erase();
 531                 bv->updateInset(this, true);
 532                 break;
 533
 534         //    case LFUN_GETXY:
 535         //      sprintf(dispatch_buffer, "%d %d",);
 536         //      dispatch_result = dispatch_buffer;
 537         //      break;
 538         case LFUN_SETXY: {
 539                 lyxerr << "LFUN_SETXY broken!\n";
 540                 int x = 0;
 541                 int y = 0;
 542                 istringstream is(arg.c_str());
 543                 is >> x >> y;
 544                 mathcursor->setPos(x, y);
 545                 updateLocal(bv, false);
 546                 break;
 547         }
 548
 549         case LFUN_PASTE:
 550                 if (was_macro)
 551                         mathcursor->macroModeClose();
 552                 bv->lockedInsetStoreUndo(Undo::EDIT);
 553                 mathcursor->selPaste();
 554                 updateLocal(bv, true);
 555                 break;
 556
 557         case LFUN_CUT:
 558                 bv->lockedInsetStoreUndo(Undo::DELETE);
 559                 mathcursor->selCut();
 560                 updateLocal(bv, true);
 561                 break;
 562
 563         case LFUN_COPY:
 564                 mathcursor->selCopy();
 565                 break;
 566
 567         case LFUN_WORDRIGHTSEL:
 568         case LFUN_WORDLEFTSEL:
 569                 break;
 570
 571         // Special casing for superscript in case of LyX handling
 572         // dead-keys:
 573         case LFUN_CIRCUMFLEX:
 574                 if (arg.empty()) {
 575                         // do superscript if LyX handles
 576                         // deadkeys
 577                         bv->lockedInsetStoreUndo(Undo::EDIT);
 578                         mathcursor->script(true);
 579                         updateLocal(bv, true);
 580                 }
 581                 break;
 582         case LFUN_UMLAUT:
 583         case LFUN_ACUTE:
 584         case LFUN_GRAVE:
 585         case LFUN_BREVE:
 586         case LFUN_DOT:
 587         case LFUN_MACRON:
 588         case LFUN_CARON:
 589         case LFUN_TILDE:
 590         case LFUN_CEDILLA:
 591         case LFUN_CIRCLE:
 592         case LFUN_UNDERDOT:
 593         case LFUN_TIE:
 594         case LFUN_OGONEK:
 595         case LFUN_HUNG_UMLAUT:
 596                 break;
 597
 598         //  Math fonts
 599         case LFUN_GREEK_TOGGLE: handleFont(bv, arg, "lyxgreek"); break;
 600         case LFUN_BOLD:         handleFont(bv, arg, "textbf"); break;
 601         case LFUN_SANS:         handleFont(bv, arg, "textsf"); break;
 602         case LFUN_EMPH:         handleFont(bv, arg, "mathcal"); break;
 603         case LFUN_ROMAN:        handleFont(bv, arg, "mathrm"); break;
 604         case LFUN_CODE:         handleFont(bv, arg, "texttt"); break;
 605         case LFUN_FRAK:         handleFont(bv, arg, "mathfrak"); break;
 606         case LFUN_ITAL:         handleFont(bv, arg, "mathit"); break;
 607         case LFUN_NOUN:         handleFont(bv, arg, "mathbb"); break;
 608         case LFUN_DEFAULT:      handleFont(bv, arg, "textnormal"); break;
 609         case LFUN_FREE:         handleFont(bv, arg, "textrm"); break;
 610
 611         case LFUN_GREEK:
 612                 handleFont(bv, arg, "lyxgreek1");
 613                 if (arg.size())
 614                         mathcursor->interpret(arg);
 615                 break;
 616
 617         case LFUN_MATH_MODE:
 618                 if (mathcursor->inMathMode()) {
 619                         handleFont(bv, arg, "textrm");
 620                 } else {
 621                         mathcursor->niceInsert(MathAtom(new MathHullInset("simple")));
 622                         updateLocal(bv, true);
 623                 }
 624                 //bv->owner()->message(_("math text mode toggled"));
 625                 break;
 626
 627         case LFUN_MATH_LIMITS:
 628                 bv->lockedInsetStoreUndo(Undo::EDIT);
 629                 if (mathcursor->toggleLimits())
 630                         updateLocal(bv, true);
 631                 break;
 632
 633         case LFUN_MATH_SIZE:
 634 #if 0
 635                 if (!arg.empty()) {
 636                         bv->lockedInsetStoreUndo(Undo::EDIT);
 637                         mathcursor->setSize(arg);
 638                         updateLocal(bv, true);
 639                 }
 640 #endif
 641                 break;
 642
 643         case LFUN_INSERT_MATRIX:
 644                 if (!arg.empty()) {
 645                         bv->lockedInsetStoreUndo(Undo::EDIT);
 646                         mathcursor->interpret("matrix " + arg);
 647                         updateLocal(bv, true);
 648                 }
 649                 break;
 650
 651         case LFUN_SUPERSCRIPT:
 652         case LFUN_SUBSCRIPT:
 653         {
 654                 bv->lockedInsetStoreUndo(Undo::EDIT);
 655                 mathcursor->script(action == LFUN_SUPERSCRIPT);
 656                 updateLocal(bv, true);
 657                 break;
 658         }
 659
 660         case LFUN_MATH_DELIM:
 661         {
 662                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 663                 string ls;
 664                 string rs = split(arg, ls, ' ');
 665                 // Reasonable default values
 666                 if (ls.empty())
 667                         ls = '(';
 668                 if (rs.empty())
 669                         rs = ')';
 670
 671                 bv->lockedInsetStoreUndo(Undo::EDIT);
 672                 mathcursor->handleDelim(ls, rs);
 673                 updateLocal(bv, true);
 674                 break;
 675         }
 676
 677         case LFUN_PROTECTEDSPACE:
 678         case LFUN_MATH_SPACE:
 679                 bv->lockedInsetStoreUndo(Undo::EDIT);
 680                 mathcursor->insert(MathAtom(new MathSpaceInset(",")));
 681                 updateLocal(bv, true);
 682                 break;
 683
 684         case LFUN_UNDO:
 685                 bv->owner()->message(_("Invalid action in math mode!"));
 686                 break;
 687
 688
 689         case LFUN_MATH_HALIGN:
 690         case LFUN_MATH_VALIGN:
 691         case LFUN_MATH_ROW_INSERT:
 692         case LFUN_MATH_ROW_DELETE:
 693         case LFUN_MATH_COLUMN_INSERT:
 694         case LFUN_MATH_COLUMN_DELETE:
 695         {
 696                 MathInset::idx_type idx = 0;
 697                 MathGridInset * p = mathcursor ? mathcursor->enclosingGrid(idx) : 0;
 698                 if (p) {
 699                         mathcursor->popToEnclosingGrid();
 700                         bv->lockedInsetStoreUndo(Undo::EDIT);
 701                         char align = arg.size() ? arg[0] : 'c';
 702                         switch (action) {
 703                                 case LFUN_MATH_HALIGN: p->halign(align, p->col(idx)); break;
 704                                 case LFUN_MATH_VALIGN: p->valign(align); break;
 705                                 case LFUN_MATH_ROW_INSERT: p->addRow(p->row(idx)); break;
 706                                 case LFUN_MATH_ROW_DELETE: p->delRow(p->row(idx)); break;
 707                                 case LFUN_MATH_COLUMN_INSERT: p->addFancyCol(p->col(idx)); break;
 708                                 case LFUN_MATH_COLUMN_DELETE: p->delFancyCol(p->col(idx)); break;
 709                                 default: ;
 710                         }
 711                         updateLocal(bv, true);
 712                 }
 713                 break;
 714         }
 715
 716         case LFUN_EXEC_COMMAND:
 717                 result = UNDISPATCHED;
 718                 break;
 719
 720         case LFUN_BREAKPARAGRAPH:
 721         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 722                 //lyxerr << "LFUN ignored\n";
 723                 break;
 724
 725         case LFUN_INSET_ERT:
 726                 // interpret this as if a backslash was typed
 727                 bv->lockedInsetStoreUndo(Undo::EDIT);
 728                 mathcursor->interpret('\\');
 729                 updateLocal(bv, true);
 730                 break;
 731
 732         case -1:
 733         case LFUN_INSERT_MATH:
 734         case LFUN_SELFINSERT:
 735                 if (!arg.empty()) {
 736                         bv->lockedInsetStoreUndo(Undo::EDIT);
 737                         if (arg.size() == 1)
 738                                 result = mathcursor->interpret(arg[0]) ? DISPATCHED : FINISHED_RIGHT;
 739                         else
 740                                 result = mathcursor->interpret(arg) ? DISPATCHED : FINISHED_RIGHT;
 741                         updateLocal(bv, true);
 742                 }
 743                 break;
 744
 745         case LFUN_MATH_PANEL:
 746                 result = UNDISPATCHED;
 747                 break;
 748
 749         case LFUN_ESCAPE:
 750                 if (mathcursor->selection())
 751                         mathcursor->selClear();
 752                 else
 753                         result = UNDISPATCHED;
 754                 break;
 755
 756         case LFUN_INSET_TOGGLE:
 757                 mathcursor->insetToggle();
 758                 updateLocal(bv, true);
 759                 break;
 760
 761         case LFUN_REF_INSERT:
 762                 //if (argument.empty()) {
 763                 //      InsetCommandParams p("ref");
 764                 //      owner_->getDialogs()->createRef(p.getAsString());
 765                 //} else {
 766                 //      InsetCommandParams p;
 767                 //      p.setFromString(argument);
 768
 769                 //      InsetRef * inset = new InsetRef(p, *buffer_);
 770                 //      if (!insertInset(inset))
 771                 //              delete inset;
 772                 //      else
 773                 //              updateInset(inset, true);
 774                 //}
 775                 //
 776                 if (arg.empty()) {
 777                         InsetCommandParams p("ref");
 778                         bv->owner()->getDialogs()->createRef(p.getAsString());
 779                 } else {
 780                         //mathcursor->handleNest(new InsetRef2);
 781                         //mathcursor->insert(arg);
 782                         mathcursor->insert(MathAtom(new RefInset(arg)));
 783                 }
 784                 updateLocal(bv, true);
 785                 break;
 786
 787         default:
 788                 result = UNDISPATCHED;
 789         }
 790
 791         mathcursor->normalize();
 792         mathcursor->touch();
 793
 794         lyx::Assert(mathcursor);
 795
 796         if (mathcursor->selection() || was_selection)
 797                 toggleInsetSelection(bv);
 798
 799         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 800             result == UNDISPATCHED)
 801                 showInsetCursor(bv);
 802         else
 803                 bv->unlockInset(this);
 804
 805         revealCodes(bv);
 806
 807         return result;  // original version
 808 }
 809
 810
 811 void InsetFormulaBase::revealCodes(BufferView * bv) const
 812 {
 813         if (!mathcursor)
 814                 return;
 815         bv->owner()->message(mathcursor->info());
 816
 817 #if 0
 818         // write something to the minibuffer
 819         // translate to latex
 820         mathcursor->markInsert();
 821         ostringstream os;
 822         write(NULL, os);
 823         string str = os.str();
 824         mathcursor->markErase();
 825         string::size_type pos = 0;
 826         string res;
 827         for (string::iterator it = str.begin(); it != str.end(); ++it) {
 828                 if (*it == '\n')
 829                         res += ' ';
 830                 else if (*it == '\0') {
 831                         res += "  -X-  ";
 832                         pos = it - str.begin();
 833                 }
 834                 else
 835                         res += *it;
 836         }
 837         if (pos > 30)
 838                 res = res.substr(pos - 30);
 839         if (res.size() > 60)
 840                 res = res.substr(0, 60);
 841         bv->owner()->message(res);
 842 #endif
 843 }
 844
 845
 846 Inset::Code InsetFormulaBase::lyxCode() const
 847 {
 848         return Inset::MATH_CODE;
 849 }
 850
 851
 852 int InsetFormulaBase::ylow() const
 853 {
 854         return yo_ - ascent(view_, font_);
 855 }
 856
 857
 858 int InsetFormulaBase::yhigh() const
 859 {
 860         return yo_ + descent(view_, font_);
 861 }
 862
 863
 864 int InsetFormulaBase::xlow() const
 865 {
 866         return xo_;
 867 }
 868
 869
 870 int InsetFormulaBase::xhigh() const
 871 {
 872         return xo_ + width(view_, font_);
 873 }
 874
 875
 876 /////////////////////////////////////////////////////////////////////
 877
 878
 879 bool InsetFormulaBase::searchForward(BufferView * bv, string const & str,
 880                                      bool, bool)
 881 {
 882 #ifdef WITH_WARNINGS
 883 #warning pretty ugly
 884 #endif
 885         static InsetFormulaBase * lastformula = 0;
 886         static MathIterator current = MathIterator(ibegin(par().nucleus()));
 887         static MathArray ar;
 888         static string laststr;
 889
 890         if (lastformula != this || laststr != str) {
 891                 //lyxerr << "reset lastformula to " << this << "\n";
 892                 lastformula = this;
 893                 laststr = str;
 894                 current = ibegin(par().nucleus());
 895                 ar.clear();
 896                 mathed_parse_cell(ar, str);
 897         } else {
 898                 ++current;
 899         }
 900         //lyxerr << "searching '" << str << "' in " << this << ar << endl;
 901
 902         for (MathIterator it = current; it != iend(par().nucleus()); ++it) {
 903                 if (it.cell().matchpart(ar, it.position().pos_)) {
 904                         bv->unlockInset(bv->theLockingInset());
 905                         if (!bv->lockInset(this)) {
 906                                 lyxerr << "Cannot lock inset" << endl;
 907                                 return false;
 908                         }
 909                         delete mathcursor;
 910                         mathcursor = new MathCursor(this, true);
 911                         metrics(bv);
 912                         mathcursor->setSelection(it.cursor(), ar.size());
 913                         current = it;
 914                         it.jump(ar.size());
 915                         updateLocal(bv, false);
 916                         return true;
 917                 }
 918         }
 919
 920         //lyxerr << "not found!\n";
 921         lastformula = 0;
 922         return false;
 923 }
 924
 925
 926 bool InsetFormulaBase::searchBackward(BufferView * bv, string const & what,
 927                                       bool a, bool b)
 928 {
 929         lyxerr << "searching backward not implemented in mathed" << endl;
 930         return searchForward(bv, what, a, b);
 931 }
 932
 933
 934 /////////////////////////////////////////////////////////////////////
 935
 936
 937 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 938 {
 939         if (!bv->available())
 940                 return;
 941
 942         // use selection if available..
 943         //string sel;
 944         //if (action == LFUN_MATH_IMPORT_SELECTION)
 945         //      sel = "";
 946         //else
 947
 948         string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
 949
 950         if (sel.empty()) {
 951                 InsetFormula * f = new InsetFormula(bv);
 952                 if (openNewInset(bv, f)) {
 953                         f->mutate("simple");
 954                         // don't do that also for LFUN_MATH_MODE unless you want end up with
 955                         // always changing to mathrm when opening an inlined inset
 956                         // -- I really hate "LyXfunc overloading"...
 957                         if (display)
 958                                 f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 959                         f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 960                 }
 961         } else {
 962                 // create a macro if we see "\\newcommand" somewhere, and an ordinary
 963                 // formula otherwise
 964                 if (sel.find("\\newcommand") == string::npos &&
 965                                 sel.find("\\def") == string::npos)
 966                 {
 967                         InsetFormula * f = new InsetFormula(sel);
 968                         bv->getLyXText()->cutSelection(bv);
 969                         openNewInset(bv, f);
 970                 } else {
 971                         string name;
 972                         if (!mathed_parse_macro(name, sel))
 973                                 return;
 974                         InsetFormulaMacro * f = new InsetFormulaMacro(sel);
 975                         bv->getLyXText()->cutSelection(bv);
 976                         openNewInset(bv, f);
 977                 }
 978         }
 979         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 980 }
 981
 982
 983 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 984 {
 985         mathDispatchCreation(bv, arg, true);
 986 }
 987
 988
 989 void mathDispatchMathMode(BufferView * bv, string const & arg)
 990 {
 991         mathDispatchCreation(bv, arg, false);
 992 }
 993
 994
 995 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 996 {
 997         mathDispatchCreation(bv, arg, true);
 998 }
 999
1000
1001 void mathDispatchMathMacro(BufferView * bv, string const & arg)
1002 {
1003         if (!bv->available())
1004                 return;
1005         if (arg.empty())
1006                 bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
1007         else {
1008                 string s = arg;
1009                 string const s1 = token(s, ' ', 1);
1010                 int const na = s1.empty() ? 0 : lyx::atoi(s1);
1011                 openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
1012         }
1013 }
1014
1015
1016 void mathDispatchMathDelim(BufferView * bv, string const & arg)
1017 {
1018         if (!bv->available())
1019                 return;
1020         InsetFormula * f = new InsetFormula(bv);
1021         if (openNewInset(bv, f)) {
1022                 f->mutate("simple");
1023                 bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
1024         }
1025 }
1026
1027
1028 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
1029 {
1030         if (!bv->available())
1031                 return;
1032         InsetFormula * f = new InsetFormula(bv);
1033         if (openNewInset(bv, f)) {
1034                 f->mutate("simple");
1035                 bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
1036         }
1037 }
1038
1039
1040 void mathDispatchInsertMath(BufferView * bv, string const & arg)
1041 {
1042         if (!bv->available())
1043                 return;
1044         InsetFormula * f = new InsetFormula(bv);
1045         if (openNewInset(bv, f)) {
1046                 f->mutate("simple");
1047     bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATH, arg);
1048         }
1049 }
1050
1051
1052 void mathDispatchGreek(BufferView * bv, string const & arg)
1053 {
1054         if (!bv->available())
1055                 return;
1056         InsetFormula * f = new InsetFormula(bv);
1057         if (openNewInset(bv, f)) {
1058                 f->mutate("simple");
1059                 bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);
1060                 bv->unlockInset(f);
1061         }
1062 }
1063
1064
1065 void mathDispatch(BufferView *, kb_action, string const &)
1066 {}
1067
1068
1069 void mathDispatch(BufferView *, string const &)
1070 {}