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