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