src/mathed/formulabase.C

   1  /*
   2 *  File:        formula.C
   3 *  Purpose:     Implementation of formula inset
   4 *  Author:      Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
   5 *  Created:     January 1996
   6 *  Description: Allows the edition of math paragraphs inside Lyx.
   7 *
   8 *  Copyright: 1996-1998 Alejandro Aguilar Sierra
   9 *
  10 *  Version: 0.4, Lyx project.
  11 *
  12 *   You are free to use and modify this code under the terms of
  13 *   the GNU General Public Licence version 2 or later.
  14 */
  15
  16 #include <config.h>
  17 #include <fstream>
  18
  19 #include "Lsstream.h"
  20
  21 #ifdef __GNUG__
  22 #pragma implementation
  23 #endif
  24
  25 #include "formula.h"
  26 #include "formulamacro.h"
  27 #include "commandtags.h"
  28 #include "math_cursor.h"
  29 #include "math_parser.h"
  30 #include "BufferView.h"
  31 #include "lyxtext.h"
  32 #include "lyxfunc.h"
  33 #include "gettext.h"
  34 #include "LaTeXFeatures.h"
  35 #include "debug.h"
  36 #include "support/lstrings.h"
  37 #include "LyXView.h"
  38 #include "Painter.h"
  39 #include "font.h"
  40 #include "math_arrayinset.h"
  41 #include "math_spaceinset.h"
  42 #include "math_macrotable.h"
  43 #include "support/lyxlib.h"
  44 #include "mathed/support.h"
  45 #include "undo_funcs.h"
  46
  47 using std::endl;
  48 using std::ostream;
  49 using std::vector;
  50
  51 extern char const * latex_special_chars;
  52
  53 extern char const * latex_mathenv[];
  54 MathCursor        * mathcursor = 0;
  55
  56
  57 namespace {
  58
  59
  60 // local global
  61 int sel_x;
  62 int sel_y;
  63 bool sel_flag;
  64
  65 void mathed_init_fonts();
  66
  67 string nicelabel(string const & label)
  68 {
  69         return "(" + (label.empty() ? "#" : label) + ")";
  70 }
  71
  72 void handleFont(BufferView * bv, MathTextCodes t)
  73 {
  74         if (mathcursor->selection())
  75                 bv->lockedInsetStoreUndo(Undo::EDIT);
  76         mathcursor->handleFont(t);
  77 }
  78
  79 void handleAccent(BufferView * bv, string const & name)
  80 {
  81         bv->lockedInsetStoreUndo(Undo::EDIT);
  82         mathcursor->handleAccent(name);
  83 }
  84
  85 void handleDelim(BufferView * bv, int l, int r)
  86 {
  87         bv->lockedInsetStoreUndo(Undo::EDIT);
  88         mathcursor->handleDelim(l, r);
  89 }
  90
  91 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
  92 {
  93         LyXText * lt = bv->getLyXText();
  94
  95         bv->beforeChange(lt);
  96         finishUndo();
  97         if (!bv->insertInset(new_inset)) {
  98                 delete new_inset;
  99                 return false;
 100         }
 101         new_inset->edit(bv, 0, 0, 0);
 102         return true;
 103 }
 104
 105
 106 // returns the nearest enclosing grid
 107 MathArrayInset * matrixpar(int & idx)
 108 {
 109         idx = 0;
 110         return (mathcursor ? mathcursor->enclosingArray(idx) : 0);
 111 }
 112
 113
 114 } // namespace anon
 115
 116
 117
 118 InsetFormulaBase::InsetFormulaBase()
 119 {
 120 #ifdef WITH_WARNINGS
 121 #warning This is needed as long the math parser is not re-entrant
 122 #endif
 123         MathMacroTable::builtinMacros();
 124         //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
 125 }
 126
 127
 128 void InsetFormulaBase::read(Buffer const *, LyXLex & lex)
 129 {
 130         read(lex);
 131 }
 132
 133
 134 void InsetFormulaBase::write(Buffer const *, ostream & os) const
 135 {
 136         write(os);
 137 }
 138
 139 int InsetFormulaBase::latex(Buffer const *, ostream & os,
 140         bool fragile, bool spacing) const
 141 {
 142         return latex(os, fragile, spacing);
 143 }
 144
 145 int InsetFormulaBase::ascii(Buffer const *, ostream & os, int spacing) const
 146 {
 147         return ascii(os, spacing);
 148 }
 149
 150 int InsetFormulaBase::linuxdoc(Buffer const *, ostream & os) const
 151 {
 152         return linuxdoc(os);
 153 }
 154
 155 int InsetFormulaBase::docBook(Buffer const *, ostream & os) const
 156 {
 157         return docBook(os);
 158 }
 159
 160
 161
 162 // Check if uses AMS macros
 163 void InsetFormulaBase::validate(LaTeXFeatures &) const
 164 {}
 165
 166
 167 string const InsetFormulaBase::editMessage() const
 168 {
 169         return _("Math editor mode");
 170 }
 171
 172
 173 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
 174 {
 175         mathcursor = new MathCursor(this);
 176
 177         if (!bv->lockInset(this))
 178                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 179
 180         metrics();
 181         //bv->updateInset(this, false);
 182         if (x == 0)
 183                 mathcursor->first();
 184         else
 185                 mathcursor->last();
 186         sel_x = 0;
 187         sel_y = 0;
 188         sel_flag = false;
 189 }
 190
 191
 192 void InsetFormulaBase::edit(BufferView * bv, bool front)
 193 {
 194 #warning Please have a look if this is right (Jug)
 195 #warning Does not look wrong... although I do not know what it is supposed to do (Andre)
 196         edit(bv, front ? 0 : 1, 0, 0);
 197 }
 198
 199
 200 void InsetFormulaBase::insetUnlock(BufferView * bv)
 201 {
 202         if (mathcursor) {
 203                 if (mathcursor->inMacroMode()) {
 204                         mathcursor->macroModeClose();
 205                         updateLocal(bv, true);
 206                 }
 207                 delete mathcursor;
 208                 mathcursor = 0;
 209         }
 210         bv->updateInset(this, false);
 211 }
 212
 213
 214 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
 215 {
 216         mathcursor->getPos(x, y);
 217         x -= par()->xo();
 218         y -= par()->yo();
 219 }
 220
 221
 222 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
 223 {
 224         if (!mathcursor)
 225                 return;
 226
 227         if (isCursorVisible())
 228                 bv->hideLockedInsetCursor();
 229         else {
 230                 int x;
 231                 int y;
 232                 mathcursor->getPos(x, y);
 233                 //x -= par()->xo();
 234                 y -= par()->yo();
 235                 int asc;
 236                 int desc;
 237                 math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, desc);
 238                 bv->showLockedInsetCursor(x, y, asc, desc);
 239         }
 240
 241         toggleCursorVisible();
 242 }
 243
 244
 245 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
 246 {
 247         if (!isCursorVisible()) {
 248                 if (mathcursor) {
 249                         int x;
 250                         int y;
 251                         mathcursor->getPos(x, y);
 252                         x -= par()->xo();
 253                         y -= par()->yo();
 254                         int asc;
 255                         int desc;
 256                         math_font_max_dim(LM_TC_TEXTRM, LM_ST_TEXT, asc, desc);
 257                         bv->fitLockedInsetCursor(x, y, asc, desc);
 258                 }
 259                 toggleInsetCursor(bv);
 260         }
 261 }
 262
 263
 264 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
 265 {
 266         if (isCursorVisible())
 267                 toggleInsetCursor(bv);
 268 }
 269
 270
 271 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
 272 {
 273         if (mathcursor)
 274                 bv->updateInset(this, false);
 275 }
 276
 277
 278 vector<string> const InsetFormulaBase::getLabelList() const
 279 {
 280   return std::vector<string>();
 281 }
 282
 283
 284 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
 285 {
 286         metrics();
 287         bv->updateInset(this, dirty);
 288 }
 289
 290
 291 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
 292                                           int x, int y, int /*button*/)
 293 {
 294         if (mathcursor) {
 295                 hideInsetCursor(bv);
 296                 x += par()->xo();
 297                 y += par()->yo();
 298                 mathcursor->setPos(x, y);
 299                 showInsetCursor(bv);
 300                 if (sel_flag) {
 301                         sel_flag = false;
 302                         sel_x = 0;
 303                         sel_y = 0;
 304                 }
 305                 bv->updateInset(this, false);
 306         }
 307 }
 308
 309
 310 void InsetFormulaBase::insetButtonPress(BufferView * bv,
 311                                         int x, int y, int /*button*/)
 312 {
 313         sel_flag = false;
 314         sel_x = x;
 315         sel_y = y;
 316         if (mathcursor && mathcursor->selection()) {
 317                 mathcursor->selClear();
 318                 bv->updateInset(this, false);
 319         }
 320 }
 321
 322
 323 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
 324                                          int x, int y, int /*button*/)
 325 {
 326         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
 327                 sel_flag = true;
 328                 hideInsetCursor(bv);
 329                 mathcursor->setPos(sel_x + par()->xo(), sel_y + par()->yo());
 330                 mathcursor->selStart();
 331                 showInsetCursor(bv);
 332                 mathcursor->getPos(sel_x, sel_y);
 333         } else if (sel_flag) {
 334                 hideInsetCursor(bv);
 335                 x += par()->xo();
 336                 y += par()->yo();
 337                 mathcursor->setPos(x, y);
 338                 showInsetCursor(bv);
 339                 mathcursor->getPos(x, y);
 340                 if (sel_x != x || sel_y != y)
 341                         bv->updateInset(this, false);
 342                 sel_x = x;
 343                 sel_y = y;
 344         }
 345 }
 346
 347
 348 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
 349 {
 350         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 351 }
 352
 353
 354
 355 UpdatableInset::RESULT
 356 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
 357                             string const & arg)
 358 {
 359         //lyxerr << "InsetFormulaBase::LocalDispatch: act: " << action
 360         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 361
 362         static int greek_kb_flag = 0;
 363
 364         if (!mathcursor)
 365                 return UNDISPATCHED;
 366
 367         MathTextCodes varcode = LM_TC_MIN;
 368         bool was_macro = mathcursor->inMacroMode();
 369         bool sel = false;
 370         bool was_selection = mathcursor->selection();
 371         RESULT result = DISPATCHED;
 372
 373         hideInsetCursor(bv);
 374
 375         if (mathcursor->getLastCode() == LM_TC_TEX)
 376                 varcode = LM_TC_TEX;
 377
 378         mathcursor->normalize();
 379
 380         switch (action) {
 381
 382                 // --- Cursor Movements ---------------------------------------------
 383
 384         case LFUN_RIGHTSEL:
 385                 sel = true; // fall through...
 386
 387         case LFUN_RIGHT:
 388                 result = DISPATCH_RESULT(mathcursor->right(sel));
 389                 updateLocal(bv, false);
 390                 break;
 391
 392
 393         case LFUN_LEFTSEL:
 394                 sel = true; // fall through
 395
 396         case LFUN_LEFT:
 397                 result = DISPATCH_RESULT(mathcursor->left(sel));
 398                 updateLocal(bv, false);
 399                 break;
 400
 401
 402         case LFUN_UPSEL:
 403                 sel = true;
 404
 405         case LFUN_UP:
 406                 result = DISPATCH_RESULT(mathcursor->up(sel));
 407                 updateLocal(bv, false);
 408                 break;
 409
 410
 411         case LFUN_DOWNSEL:
 412                 sel = true;
 413
 414         case LFUN_DOWN:
 415                 result = DISPATCH_RESULT(mathcursor->down(sel));
 416                 updateLocal(bv, false);
 417                 break;
 418
 419         case LFUN_HOME:
 420                 mathcursor->home();
 421                 updateLocal(bv, false);
 422                 break;
 423
 424         case LFUN_END:
 425                 mathcursor->end();
 426                 updateLocal(bv, false);
 427                 break;
 428
 429         case LFUN_DELETE_LINE_FORWARD:
 430                 bv->lockedInsetStoreUndo(Undo::DELETE);
 431                 mathcursor->delLine();
 432                 updateLocal(bv, true);
 433                 break;
 434
 435         case LFUN_TAB:
 436                 mathcursor->idxNext();
 437                 updateLocal(bv, false);
 438                 break;
 439
 440         case LFUN_SHIFT_TAB:
 441                 mathcursor->idxPrev();
 442                 updateLocal(bv, false);
 443                 break;
 444
 445         case LFUN_TABINSERT:
 446                 bv->lockedInsetStoreUndo(Undo::EDIT);
 447                 mathcursor->splitCell();
 448                 updateLocal(bv, true);
 449                 break;
 450
 451         case LFUN_BACKSPACE:
 452                 // if (!mathcursor->inMacroMode() && mathcursor->pos() == 0)
 453                 if (mathcursor->pos() == 0) {
 454                         bv->lockedInsetStoreUndo(Undo::DELETE);
 455                         mathcursor->pullArg(false);
 456                         bv->updateInset(this, true);
 457                         break;
 458                 }
 459                 if (mathcursor->inMacroMode())
 460                         mathcursor->left();
 461                 else
 462                         mathcursor->plainLeft();
 463                 // fall through...
 464
 465         case LFUN_DELETE:
 466                 bv->lockedInsetStoreUndo(Undo::DELETE);
 467                 if (mathcursor->pos() == mathcursor->array().size())
 468                         mathcursor->pullArg(true);
 469                 else
 470                         mathcursor->erase();
 471                 bv->updateInset(this, true);
 472                 break;
 473
 474                 //    case LFUN_GETXY:
 475                 //      sprintf(dispatch_buffer, "%d %d",);
 476                 //      dispatch_result = dispatch_buffer;
 477                 //      break;
 478         case LFUN_SETXY:
 479         {
 480                 lyxerr << "LFUN_SETXY broken!\n";
 481                 int x;
 482                 int y;
 483                 int x1;
 484                 int y1;
 485                 istringstream is(arg.c_str());
 486                 is >> x >> y;
 487                 par()->getXY(x1, y1);
 488                 mathcursor->setPos(x1 + x, y1 + y);
 489                 updateLocal(bv, false);
 490         }
 491         break;
 492
 493
 494         case LFUN_PASTE:
 495                 if (was_macro)
 496                         mathcursor->macroModeClose();
 497                 bv->lockedInsetStoreUndo(Undo::INSERT);
 498                 mathcursor->selPaste();
 499                 updateLocal(bv, true);
 500                 break;
 501
 502         case LFUN_CUT:
 503                 bv->lockedInsetStoreUndo(Undo::DELETE);
 504                 mathcursor->selCut();
 505                 updateLocal(bv, true);
 506                 break;
 507
 508         case LFUN_COPY:
 509                 mathcursor->selCopy();
 510                 break;
 511
 512         case LFUN_HOMESEL:
 513         case LFUN_ENDSEL:
 514         case LFUN_WORDRIGHTSEL:
 515         case LFUN_WORDLEFTSEL:
 516                 break;
 517
 518                 // --- accented characters ------------------------------
 519
 520         case LFUN_UMLAUT:     handleAccent(bv, "ddot"); break;
 521         case LFUN_CIRCUMFLEX: handleAccent(bv, "hat"); break;
 522         case LFUN_GRAVE:      handleAccent(bv, "grave"); break;
 523         case LFUN_ACUTE:      handleAccent(bv, "acute"); break;
 524         case LFUN_TILDE:      handleAccent(bv, "tilde"); break;
 525         case LFUN_MACRON:     handleAccent(bv, "bar"); break;
 526         case LFUN_DOT:        handleAccent(bv, "dot"); break;
 527         case LFUN_CARON:      handleAccent(bv, "check"); break;
 528         case LFUN_BREVE:      handleAccent(bv, "breve"); break;
 529         case LFUN_VECTOR:     handleAccent(bv, "vec"); break;
 530
 531                 // Greek mode
 532         case LFUN_GREEK:
 533                 if (!greek_kb_flag) {
 534                         greek_kb_flag = 1;
 535                         bv->owner()->message(_("Math greek mode on"));
 536                 } else
 537                         greek_kb_flag = 0;
 538                 break;
 539
 540                 // Greek keyboard
 541         case LFUN_GREEK_TOGGLE:
 542                 greek_kb_flag = greek_kb_flag ? 0 : 2;
 543                 if (greek_kb_flag)
 544                         bv->owner()->message(_("Math greek keyboard on"));
 545                 else
 546                         bv->owner()->message(_("Math greek keyboard off"));
 547                 break;
 548
 549                 //  Math fonts
 550         case LFUN_BOLD:    handleFont(bv, LM_TC_BF); break;
 551         case LFUN_SANS:    handleFont(bv, LM_TC_SF); break;
 552         case LFUN_EMPH:    handleFont(bv, LM_TC_CAL); break;
 553         case LFUN_ROMAN:   handleFont(bv, LM_TC_RM); break;
 554         case LFUN_CODE:    handleFont(bv, LM_TC_TT); break;
 555         case LFUN_DEFAULT: handleFont(bv, LM_TC_VAR); break;
 556
 557         case LFUN_MATH_MODE:
 558                 handleFont(bv, LM_TC_TEXTRM);
 559                 //bv->owner()->message(_("math text mode toggled"));
 560                 break;
 561
 562         case LFUN_MATH_LIMITS:
 563                 bv->lockedInsetStoreUndo(Undo::INSERT);
 564                 if (mathcursor->toggleLimits())
 565                         updateLocal(bv, true);
 566                 break;
 567
 568         case LFUN_MATH_SIZE:
 569                 if (!arg.empty()) {
 570                         bv->lockedInsetStoreUndo(Undo::INSERT);
 571                         latexkeys const * l = in_word_set(arg);
 572                         mathcursor->setSize(MathStyles(l ? l->id : static_cast<unsigned int>(-1)));
 573                         updateLocal(bv, true);
 574                 }
 575                 break;
 576
 577         case LFUN_INSERT_MATRIX:
 578                 if (!arg.empty()) {
 579                         bv->lockedInsetStoreUndo(Undo::INSERT);
 580                         mathcursor->interpret("matrix " + arg);
 581                         updateLocal(bv, true);
 582                 }
 583                 break;
 584
 585         case LFUN_INSERT_MATH:
 586                 if (!arg.empty()) {
 587                         bv->lockedInsetStoreUndo(Undo::INSERT);
 588                         mathcursor->interpret(arg);
 589                         updateLocal(bv, true);
 590                 }
 591                 break;
 592
 593         case LFUN_MATH_SPACE:
 594         {
 595                 bv->lockedInsetStoreUndo(Undo::EDIT);
 596                 MathSpaceInset * p = mathcursor->prevSpaceInset();
 597                 if (p)
 598                         p->incSpace();
 599                 else
 600                         mathcursor->insert(new MathSpaceInset(1));
 601                 updateLocal(bv, true);
 602                 break;
 603         }
 604
 605         case LFUN_MATH_DELIM:
 606         {
 607                 bv->lockedInsetStoreUndo(Undo::INSERT);
 608                 static const string vdelim("(){}[]./|");
 609                 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 610
 611                 if (arg.empty())
 612                         break;
 613
 614                 // try to read integers first
 615                 int ilt = '(';
 616                 int irt = '.';
 617                 istringstream is(arg.c_str());
 618                 is >> ilt >> irt;
 619
 620                 if (!is) { // ok, the beasties are no integers... try something else
 621                         ilt = '(';
 622                         irt = '.';
 623
 624                         istringstream is(arg.c_str());
 625                         string lt;
 626                         string rt;
 627                         is >> lt >> rt;
 628                         //lyxerr << "formulabase::LFUN_MATH_DELIM, lt: '" << lt << "'\n";
 629                         //lyxerr << "formulabase::LFUN_MATH_DELIM, rt: '" << rt << "'\n";
 630
 631                         if (lt.size() > 1) {
 632                                 latexkeys const * l = in_word_set(lt);
 633                                 if (l)
 634                                         ilt = l->id;
 635                         } else if (vdelim.find(lt[0]) != string::npos)
 636                                         ilt = lt[0];
 637
 638                         if (rt.size() > 1) {
 639                                 latexkeys const * l = in_word_set(rt);
 640                                 if (l)
 641                                         irt = l->id;
 642                         } else if (vdelim.find(rt[0]) != string::npos)
 643                                         irt = rt[0];
 644                 }
 645
 646                 handleDelim(bv, ilt, irt);
 647                 updateLocal(bv, true);
 648                 break;
 649         }
 650
 651         case LFUN_PROTECTEDSPACE:
 652                 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
 653                 bv->lockedInsetStoreUndo(Undo::INSERT);
 654                 mathcursor->insert(new MathSpaceInset(1));
 655                 updateLocal(bv, true);
 656                 break;
 657
 658         case LFUN_UNDO:
 659                 bv->owner()->message(_("Invalid action in math mode!"));
 660                 break;
 661
 662
 663         case LFUN_MATH_HALIGN:
 664         {
 665                 bv->lockedInsetStoreUndo(Undo::INSERT);
 666                 lyxerr << "handling halign '" << arg << "'\n";
 667                 int idx;
 668                 MathArrayInset * p = matrixpar(idx);
 669                 if (!p)
 670                         break;
 671                 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
 672                 updateLocal(bv, true);
 673                 break;
 674         }
 675
 676         case LFUN_MATH_VALIGN:
 677         {
 678                 bv->lockedInsetStoreUndo(Undo::INSERT);
 679                 lyxerr << "handling valign '" << arg << "'\n";
 680                 int idx;
 681                 MathArrayInset * p = matrixpar(idx);
 682                 if (!p)
 683                         break;
 684                 p->valign(arg.size() ? arg[0] : 'c');
 685                 updateLocal(bv, true);
 686                 break;
 687         }
 688
 689         case LFUN_MATH_ROW_INSERT:
 690         {
 691                 bv->lockedInsetStoreUndo(Undo::INSERT);
 692                 int idx;
 693                 MathArrayInset * p = matrixpar(idx);
 694                 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
 695                 if (!p)
 696                         break;
 697                 p->addRow(p->row(idx));
 698                 updateLocal(bv, true);
 699                 break;
 700         }
 701
 702         case LFUN_MATH_ROW_DELETE:
 703         {
 704                 bv->lockedInsetStoreUndo(Undo::INSERT);
 705                 int idx;
 706                 MathArrayInset * p = matrixpar(idx);
 707                 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
 708                 if (!p)
 709                         break;
 710                 p->delRow(p->row(idx));
 711                 updateLocal(bv, true);
 712                 break;
 713         }
 714
 715         case LFUN_MATH_COLUMN_INSERT:
 716         {
 717                 bv->lockedInsetStoreUndo(Undo::INSERT);
 718                 int idx;
 719                 MathArrayInset * p = matrixpar(idx);
 720                 if (!p)
 721                         break;
 722                 p->addCol(p->col(idx));
 723                 updateLocal(bv, true);
 724                 break;
 725         }
 726
 727         case LFUN_MATH_COLUMN_DELETE:
 728         {
 729                 bv->lockedInsetStoreUndo(Undo::INSERT);
 730                 int idx;
 731                 MathArrayInset * p = matrixpar(idx);
 732                 if (!p)
 733                         break;
 734                 p->delCol(p->col(idx));
 735                 updateLocal(bv, true);
 736                 break;
 737         }
 738
 739         case LFUN_EXEC_COMMAND:
 740                 result = UNDISPATCHED;
 741                 break;
 742
 743         default:
 744                 if ((action == -1 || action == LFUN_SELFINSERT) && !arg.empty()) {
 745                         unsigned char c = arg[0];
 746
 747                         lyxerr << "Action: " << action << endl;
 748
 749                         lyxerr << "char: '" << c << "'  int: " << int(c) << endl;
 750                         //owner_->getIntl()->getTrans().TranslateAndInsert(c, lt);
 751                         //lyxerr << "trans: '" << c << "'  int: " << int(c) << endl;
 752                         bv->lockedInsetStoreUndo(Undo::INSERT);
 753
 754                         if (c == 0) {      // Dead key, do nothing
 755                                 //lyxerr << "deadkey" << endl;
 756                                 break;
 757                         }
 758
 759                         if (isalpha(c)) {
 760                                 if (mathcursor->getLastCode() == LM_TC_TEX) {
 761                                         mathcursor->macroModeOpen();
 762                                         mathcursor->clearLastCode();
 763                                         varcode = LM_TC_MIN;
 764                                 } else if (!varcode) {
 765                                         MathTextCodes f = mathcursor->getLastCode() ?
 766                                                 mathcursor->getLastCode() :
 767                                                 mathcursor->nextCode();
 768                                         varcode = MathIsAlphaFont(f) ?
 769                                                 static_cast<MathTextCodes>(f) :
 770                                                 LM_TC_VAR;
 771                                 }
 772
 773                                 //           lyxerr << "Varcode << vardoce;
 774                                 MathTextCodes char_code = varcode;
 775                                 if (greek_kb_flag) {
 776                                         char greek[26] =
 777                                         {'A', 'B', 'X',  0 , 'E',  0 ,  0 , 'H', 'I',  0 ,
 778                                          'K',  0 , 'M', 'N', 'O',  0 ,  0 , 'P',  0 , 'T',
 779                                          0,  0,   0,   0,   0 , 'Z' };
 780
 781                                         if ('A' <= c && c <= 'Z' && greek[c - 'A']) {
 782                                                 char_code = LM_TC_RM;
 783                                                 c = greek[c - 'A'];
 784                                         } else
 785                                                 char_code = LM_TC_SYMB;
 786                                 }
 787
 788                                 mathcursor->insert(c, char_code);
 789
 790                                 if (greek_kb_flag && char_code == LM_TC_RM)
 791                                         mathcursor->setLastCode(LM_TC_VAR);
 792
 793                                 varcode = LM_TC_MIN;
 794
 795                                 if (greek_kb_flag < 2)
 796                                         greek_kb_flag = 0;
 797
 798                         } else if (strchr("!,:;{}", c) && (varcode == LM_TC_TEX||was_macro)) {
 799                                 mathcursor->insert(c, LM_TC_TEX);
 800                                 if (c == '{') {
 801                                         mathcursor->insert('}', LM_TC_TEX);
 802                                         mathcursor->left();
 803                                 }
 804                                 mathcursor->clearLastCode();
 805                                 //             varcode = LM_TC_MIN;
 806                         } else if (c == '_' && varcode == LM_TC_TEX) {
 807                                 mathcursor->insert(c, LM_TC_SPECIAL);
 808                                 mathcursor->clearLastCode();
 809                                 //             varcode = LM_TC_MIN;
 810                         } else if ('0' <= c && c <= '9' && (varcode == LM_TC_TEX||was_macro)) {
 811                                 mathcursor->macroModeOpen();
 812                                 mathcursor->clearLastCode();
 813                                 mathcursor->insert(c, LM_TC_MIN);
 814                         } else if (('0' <= c && c <= '9') || strchr(";:!|[]().,?", c)) {
 815                                 MathTextCodes code = mathcursor->getLastCode();
 816                                 if (code != LM_TC_TEXTRM)
 817                                         code = LM_TC_CONST;
 818                                 mathcursor->insert(c, code);
 819                         } else if (strchr("+/-*<>=", c)) {
 820                                 MathTextCodes code = mathcursor->getLastCode();
 821                                 if (code != LM_TC_TEXTRM)
 822                                         code = LM_TC_BOP;
 823                                 mathcursor->insert(c, code);
 824                         } else if (strchr(latex_special_chars, c) && c != '_') {
 825                                 MathTextCodes code = mathcursor->getLastCode();
 826                                 if (code != LM_TC_TEXTRM)
 827                                         code = LM_TC_SPECIAL;
 828                                 mathcursor->insert(c, code);
 829                         } else if (c == '_' || c == '^') {
 830                                 char s[2];
 831                                 s[0] = c;
 832                                 s[1] = 0;
 833                                 mathcursor->interpret(s);
 834                         } else if (c == ' ') {
 835                                 if (!varcode) {
 836                                         MathTextCodes f = (mathcursor->getLastCode()) ?
 837                                                 mathcursor->getLastCode() :
 838                                                 mathcursor->nextCode();
 839                                         varcode = MathIsAlphaFont(f) ? f : LM_TC_VAR;
 840                                 }
 841
 842                                 if (varcode == LM_TC_TEXTRM)
 843                                         mathcursor->insert(c, LM_TC_TEXTRM);
 844                                 else if (was_macro)
 845                                         mathcursor->macroModeClose();
 846                                 else if (mathcursor->pop())
 847                                         mathcursor->plainRight();
 848                                 else {
 849                                         // this would not work if the inset is in an table!
 850                                         //bv->text->cursorRight(bv, true);
 851                                         result = FINISHED;
 852                                 }
 853                         } else if (c == '\'' || c == '@') {
 854                                 mathcursor->insert(c, LM_TC_VAR);
 855                         } else if (c == '\\') {
 856                                 if (was_macro)
 857                                         mathcursor->macroModeClose();
 858                                 bv->owner()->message(_("TeX mode"));
 859                                 mathcursor->setLastCode(LM_TC_TEX);
 860                         }
 861                         updateLocal(bv, true);
 862                 } else if (action == LFUN_MATH_PANEL) {
 863                         result = UNDISPATCHED;
 864                 } else {
 865                         lyxerr << "Closed by action " << action << endl;
 866                         result =  FINISHED;
 867                 }
 868         }
 869
 870         mathcursor->normalize();
 871
 872         if (was_macro != mathcursor->inMacroMode()
 873                                 && action >= 0 && action != LFUN_BACKSPACE)
 874                 updateLocal(bv, true);
 875
 876         if (mathcursor->selection() || was_selection)
 877                 toggleInsetSelection(bv);
 878
 879         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 880             result == UNDISPATCHED)
 881                 showInsetCursor(bv);
 882         else
 883                 bv->unlockInset(this);
 884
 885         return result;  // original version
 886 }
 887
 888
 889 Inset::Code InsetFormulaBase::lyxCode() const
 890 {
 891         return Inset::MATH_CODE;
 892 }
 893
 894
 895 #if 0
 896 LyXFont const InsetFormulaBase::convertFont(LyXFont const & f) const
 897 {
 898 #warning Andre, you should be able to remove this now?
 899         // or change it to
 900 #if 1
 901         return f;
 902 #else
 903         // (Lgb)
 904
 905         // We have already discussed what was here
 906         LyXFont font(f);
 907         return font;
 908 #endif
 909 }
 910 #endif
 911
 912
 913 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
 914 {
 915         if (bv->available()) {
 916 // Feature "Read math inset from selection" disabled.
 917 //              // use selection if available..
 918 //              string sel;
 919 //              if (action == LFUN_MATH_IMPORT_SELECTION)
 920 //                      sel = "";
 921 //              else
 922 //                      sel = bv->getLyXText()->selectionAsString(bv->buffer());
 923
 924                         InsetFormula * f;
 925 //              if (sel.empty()) {
 926                                 f = new InsetFormula;
 927                                 if (openNewInset(bv, f)) {
 928                                         // don't do that also for LFUN_MATH_MODE unless you want end up with
 929                                         // always changing to mathrm when opening an inlined inset
 930                                         // -- I really hate "LyXfunc overloading"...
 931                                         if (display)
 932                                                 f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
 933                                         f->localDispatch(bv, LFUN_INSERT_MATH, arg);
 934                                 }
 935 //              } else {
 936 //                      f = new InsetFormula(sel);
 937 //                      bv->getLyXText()->cutSelection(bv);
 938 //                      openNewInset(bv, f);
 939 //              }
 940         }
 941         bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
 942 }
 943
 944 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
 945 {
 946         mathDispatchCreation(bv, arg, true);
 947 }
 948
 949 void mathDispatchMathMode(BufferView * bv, string const & arg)
 950 {
 951         mathDispatchCreation(bv, arg, false);
 952 }
 953
 954 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
 955 {
 956         mathDispatchCreation(bv, arg, true);
 957 }
 958
 959 void mathDispatchMathMacro(BufferView * bv, string const & arg)
 960 {
 961         if (bv->available()) {
 962                 if (arg.empty())
 963                         bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
 964                 else {
 965                         string s(arg);
 966                         string const s1 = token(s, ' ', 1);
 967                         int const na = s1.empty() ? 0 : lyx::atoi(s1);
 968                         openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
 969                 }
 970         }
 971 }
 972
 973 void mathDispatchMathDelim(BufferView * bv, string const & arg)
 974 {
 975         if (bv->available()) {
 976                 if (openNewInset(bv, new InsetFormula))
 977                         bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
 978         }
 979 }
 980
 981
 982 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
 983 {
 984         if (bv->available()) {
 985                 if (openNewInset(bv, new InsetFormula))
 986                         bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
 987         }
 988 }
 989
 990 void mathDispatchInsertMath(BufferView * bv, string const & arg)
 991 {
 992         if (bv->available()) {
 993                 if (arg.size() && arg[0] == '\\')
 994                         openNewInset(bv, new InsetFormula(arg));
 995                 else
 996                         mathDispatchMathMode(bv, arg);
 997         }
 998 }
 999