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