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