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