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