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 "commandtags.h"
  27 #include "math_cursor.h"
  28 #include "math_parser.h"
  29 #include "BufferView.h"
  30 #include "lyxtext.h"
  31 #include "gettext.h"
  32 #include "LaTeXFeatures.h"
  33 #include "debug.h"
  34 #include "support/LOstream.h"
  35 #include "LyXView.h"
  36 #include "Painter.h"
  37 #include "font.h"
  38 #include "math_arrayinset.h"
  39 #include "math_spaceinset.h"
  40 #include "math_deliminset.h"
  41 #include "support/lyxlib.h"
  42 #include "mathed/support.h"
  43
  44 using namespace std;
  45
  46 extern char const * latex_special_chars;
  47
  48 int greek_kb_flag = 0;
  49 extern char const * latex_mathenv[];
  50 LyXFont           * Math_Fonts = 0;
  51 MathCursor        * mathcursor = 0;
  52
  53
  54 namespace {
  55
  56
  57 // local global
  58 int sel_x;
  59 int sel_y;
  60 bool sel_flag;
  61
  62 void mathed_init_fonts();
  63
  64 string nicelabel(string const & label)
  65 {
  66         return label.empty() ? string("(#)") : "(" + label + ")";
  67 }
  68
  69 } // namespaces
  70
  71
  72
  73 LyXFont WhichFont(short type, int size)
  74 {
  75         LyXFont f;
  76
  77         if (!Math_Fonts)
  78                 mathed_init_fonts();
  79
  80         switch (type) {
  81         case LM_TC_SYMB:
  82                 f = Math_Fonts[2];
  83                 break;
  84
  85         case LM_TC_BSYM:
  86                 f = Math_Fonts[2];
  87                 break;
  88
  89         case LM_TC_VAR:
  90         case LM_TC_IT:
  91                 f = Math_Fonts[0];
  92                 break;
  93
  94         case LM_TC_BF:
  95                 f = Math_Fonts[3];
  96                 break;
  97
  98         case LM_TC_SF:
  99                 f = Math_Fonts[7];
 100                 break;
 101
 102         case LM_TC_CAL:
 103                 f = Math_Fonts[4];
 104                 break;
 105
 106         case LM_TC_TT:
 107                 f = Math_Fonts[5];
 108                 break;
 109
 110         case LM_TC_SPECIAL: //f = Math_Fonts[0]; break;
 111         case LM_TC_TEXTRM:
 112         case LM_TC_RM:
 113                 f = Math_Fonts[6];
 114                 break;
 115
 116         default:
 117                 f = Math_Fonts[1];
 118                 break;
 119         }
 120
 121         switch (size) {
 122         case LM_ST_DISPLAY:
 123                 if (type == LM_TC_BSYM) {
 124                         f.incSize();
 125                         f.incSize();
 126                 }
 127                 break;
 128
 129         case LM_ST_TEXT:
 130                 break;
 131
 132         case LM_ST_SCRIPT:
 133                 f.decSize();
 134                 break;
 135
 136         case LM_ST_SCRIPTSCRIPT:
 137                 f.decSize();
 138                 f.decSize();
 139                 break;
 140
 141         default:
 142                 lyxerr << "Math Error: wrong font size: " << size << endl;
 143                 break;
 144         }
 145
 146         if (type != LM_TC_TEXTRM)
 147                 f.setColor(LColor::math);
 148
 149         return f;
 150 }
 151
 152
 153 namespace {
 154
 155 void mathed_init_fonts()
 156 {
 157         Math_Fonts = new LyXFont[8]; //DEC cxx cannot initialize all fonts
 158         //at once (JMarc) rc
 159
 160         for (int i = 0 ; i < 8 ; ++i) {
 161                 Math_Fonts[i] = LyXFont(LyXFont::ALL_SANE);
 162         }
 163
 164         Math_Fonts[0].setShape(LyXFont::ITALIC_SHAPE);
 165
 166         Math_Fonts[1].setFamily(LyXFont::SYMBOL_FAMILY);
 167
 168         Math_Fonts[2].setFamily(LyXFont::SYMBOL_FAMILY);
 169         Math_Fonts[2].setShape(LyXFont::ITALIC_SHAPE);
 170
 171         Math_Fonts[3].setSeries(LyXFont::BOLD_SERIES);
 172
 173         Math_Fonts[4].setFamily(LyXFont::SANS_FAMILY);
 174         Math_Fonts[4].setShape(LyXFont::ITALIC_SHAPE);
 175
 176         Math_Fonts[5].setFamily(LyXFont::TYPEWRITER_FAMILY);
 177
 178         Math_Fonts[6].setFamily(LyXFont::ROMAN_FAMILY);
 179
 180         Math_Fonts[7].setFamily(LyXFont::SANS_FAMILY);
 181 }
 182
 183
 184 // returns the nearest enclosing matrix
 185 MathArrayInset * matrixpar(int & idx)
 186 {
 187         idx = 0;
 188         return
 189                 static_cast<MathArrayInset *>
 190                         (mathcursor ? mathcursor->enclosing(LM_OT_MATRIX, idx) : 0);
 191 }
 192
 193
 194 } // namespace anon
 195
 196
 197 InsetFormulaBase::InsetFormulaBase(MathInset * par)
 198         : par_(par)
 199 {}
 200
 201 InsetFormulaBase::InsetFormulaBase(InsetFormulaBase const & f)
 202         : UpdatableInset(f), par_(static_cast<MathInset *>(f.par_->Clone()))
 203 {}
 204
 205 InsetFormulaBase::~InsetFormulaBase()
 206 {
 207 #ifdef WITH_WARNINGS
 208 #warning leak this for a while...
 209 #endif
 210         //delete par_;
 211 }
 212
 213
 214 void InsetFormulaBase::Write(Buffer const * buf, ostream & os) const
 215 {
 216         os << "Formula ";
 217         Latex(buf, os, false, false);
 218 }
 219
 220
 221 int InsetFormulaBase::Ascii(Buffer const *, ostream & os, int) const
 222 {
 223         par_->Write(os, false);
 224         return 0;
 225 }
 226
 227
 228 int InsetFormulaBase::Linuxdoc(Buffer const * buf, ostream & os) const
 229 {
 230         return Ascii(buf, os, 0);
 231 }
 232
 233
 234 int InsetFormulaBase::DocBook(Buffer const * buf, ostream & os) const
 235 {
 236         return Ascii(buf, os, 0);
 237 }
 238
 239
 240 // Check if uses AMS macros
 241 void InsetFormulaBase::Validate(LaTeXFeatures &) const
 242 {}
 243
 244
 245 string const InsetFormulaBase::EditMessage() const
 246 {
 247         return _("Math editor mode");
 248 }
 249
 250
 251 void InsetFormulaBase::Edit(BufferView * bv, int x, int /*y*/, unsigned int)
 252 {
 253         mathcursor = new MathCursor(this);
 254
 255         if (!bv->lockInset(this))
 256                 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
 257
 258         par_->Metrics(LM_ST_TEXT);
 259         bv->updateInset(this, false);
 260         if (x == 0) {
 261                 mathcursor->first();
 262         } else {
 263                 mathcursor->last();
 264         }
 265         sel_x = 0;
 266         sel_y = 0;
 267         sel_flag = false;
 268 }
 269
 270
 271 void InsetFormulaBase::InsetUnlock(BufferView * bv)
 272 {
 273         if (mathcursor) {
 274                 if (mathcursor->InMacroMode()) {
 275                         mathcursor->MacroModeClose();
 276                         UpdateLocal(bv);
 277                 }
 278                 delete mathcursor;
 279         }
 280         mathcursor = 0;
 281         bv->updateInset(this, false);
 282 }
 283
 284
 285
 286
 287 void InsetFormulaBase::GetCursorPos(BufferView *, int & x, int & y) const
 288 {
 289         mathcursor->GetPos(x, y);
 290         x -= par_->xo();
 291         y -= par_->yo();
 292 }
 293
 294
 295 void InsetFormulaBase::ToggleInsetCursor(BufferView * bv)
 296 {
 297         if (!mathcursor)
 298                 return;
 299
 300         if (isCursorVisible())
 301                 bv->hideLockedInsetCursor();
 302         else {
 303                 int x;
 304                 int y;
 305                 mathcursor->GetPos(x, y);
 306                 //x -= par_->xo();
 307                 y -= par_->yo();
 308
 309                 LyXFont   font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
 310                 int const asc  = lyxfont::maxAscent(font);
 311                 int const desc = lyxfont::maxDescent(font);
 312
 313                 bv->showLockedInsetCursor(x, y, asc, desc);
 314         }
 315
 316         toggleCursorVisible();
 317 }
 318
 319
 320 void InsetFormulaBase::ShowInsetCursor(BufferView * bv, bool)
 321 {
 322         if (!isCursorVisible()) {
 323                 if (mathcursor) {
 324                         int x;
 325                         int y;
 326                         mathcursor->GetPos(x, y);
 327                         x -= par_->xo();
 328                         y -= par_->yo();
 329                         LyXFont font   = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
 330                         int const asc  = lyxfont::maxAscent(font);
 331                         int const desc = lyxfont::maxDescent(font);
 332                         bv->fitLockedInsetCursor(x, y, asc, desc);
 333                 }
 334                 ToggleInsetCursor(bv);
 335         }
 336 }
 337
 338
 339 void InsetFormulaBase::HideInsetCursor(BufferView * bv)
 340 {
 341         if (isCursorVisible())
 342                 ToggleInsetCursor(bv);
 343 }
 344
 345
 346 void InsetFormulaBase::ToggleInsetSelection(BufferView * bv)
 347 {
 348         if (!mathcursor)
 349                 return;
 350
 351         bv->updateInset(this, false);
 352 }
 353
 354
 355
 356 vector<string> const InsetFormulaBase::getLabelList() const
 357 {
 358   return std::vector<string>();
 359 }
 360
 361
 362 void InsetFormulaBase::UpdateLocal(BufferView * bv)
 363 {
 364         par_->Metrics(LM_ST_TEXT);
 365         bv->updateInset(this, true);
 366 }
 367
 368
 369 void InsetFormulaBase::InsetButtonRelease(BufferView * bv,
 370                                       int x, int y, int /*button*/)
 371 {
 372         if (mathcursor) {
 373                 HideInsetCursor(bv);
 374                 x += par_->xo();
 375                 y += par_->yo();
 376                 mathcursor->SetPos(x, y);
 377                 ShowInsetCursor(bv);
 378                 if (sel_flag) {
 379                         sel_flag = false;
 380                         sel_x = 0;
 381                         sel_y = 0;
 382                         bv->updateInset(this, false);
 383                 }
 384         }
 385 }
 386
 387
 388 void InsetFormulaBase::InsetButtonPress(BufferView * bv,
 389                 int x, int y, int /*button*/)
 390 {
 391         sel_flag = false;
 392         sel_x = x;
 393         sel_y = y;
 394         if (mathcursor && mathcursor->Selection()) {
 395                 mathcursor->SelClear();
 396                 bv->updateInset(this, false);
 397         }
 398 }
 399
 400
 401 void InsetFormulaBase::InsetMotionNotify(BufferView * bv,
 402                 int x, int y, int /*button*/)
 403 {
 404         if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
 405                 sel_flag = true;
 406                 HideInsetCursor(bv);
 407                 mathcursor->SetPos(sel_x + par_->xo(), sel_y + par_->yo());
 408                 mathcursor->SelStart();
 409                 ShowInsetCursor(bv);
 410                 mathcursor->GetPos(sel_x, sel_y);
 411         } else if (sel_flag) {
 412                 HideInsetCursor(bv);
 413                 x += par_->xo();
 414                 y += par_->yo();
 415                 mathcursor->SetPos(x, y);
 416                 ShowInsetCursor(bv);
 417                 mathcursor->GetPos(x, y);
 418                 if (sel_x != x || sel_y != y)
 419                         bv->updateInset(this, false);
 420                 sel_x = x;
 421                 sel_y = y;
 422         }
 423 }
 424
 425
 426 void InsetFormulaBase::InsetKeyPress(XKeyEvent *)
 427 {
 428         lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
 429 }
 430
 431
 432 UpdatableInset::RESULT
 433 InsetFormulaBase::LocalDispatch(BufferView * bv, kb_action action,
 434                             string const & arg)
 435 {
 436         //lyxerr << "InsetFormulaBase::LocalDispatch: act: " << action
 437         //      << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
 438         //   extern char *dispatch_result;
 439
 440         if (!mathcursor)
 441                 return UNDISPATCHED;
 442
 443         MathTextCodes varcode = LM_TC_MIN;
 444         bool was_macro = mathcursor->InMacroMode();
 445         bool sel = false;
 446         bool space_on = false;
 447         bool was_selection = mathcursor->Selection();
 448         RESULT result = DISPATCHED;
 449         static MathSpaceInset * sp = 0;
 450
 451         HideInsetCursor(bv);
 452
 453         if (mathcursor->getLastCode() == LM_TC_TEX)
 454                 varcode = LM_TC_TEX;
 455
 456         mathcursor->normalize();
 457
 458         switch (action) {
 459
 460                 // --- Cursor Movements ---------------------------------------------
 461
 462         case LFUN_RIGHTSEL:
 463                 sel = true; // fall through...
 464
 465         case LFUN_RIGHT:
 466                 result = DISPATCH_RESULT(mathcursor->Right(sel));
 467                 UpdateLocal(bv);
 468                 break;
 469
 470
 471         case LFUN_LEFTSEL:
 472                 sel = true; // fall through
 473
 474         case LFUN_LEFT:
 475                 result = DISPATCH_RESULT(mathcursor->Left(sel));
 476                 UpdateLocal(bv);
 477                 break;
 478
 479
 480         case LFUN_UPSEL:
 481                 sel = true;
 482
 483         case LFUN_UP:
 484                 result = DISPATCH_RESULT(mathcursor->Up(sel));
 485                 UpdateLocal(bv);
 486                 break;
 487
 488
 489         case LFUN_DOWNSEL:
 490                 sel = true;
 491
 492         case LFUN_DOWN:
 493                 result = DISPATCH_RESULT(mathcursor->Down(sel));
 494                 UpdateLocal(bv);
 495                 break;
 496
 497
 498         case LFUN_HOME:
 499                 mathcursor->Home();
 500                 result = DISPATCHED_NOUPDATE;
 501                 break;
 502
 503         case LFUN_END:
 504                 mathcursor->End();
 505                 result = DISPATCHED_NOUPDATE;
 506                 break;
 507
 508         case LFUN_DELETE_LINE_FORWARD:
 509                 bv->lockedInsetStoreUndo(Undo::DELETE);
 510                 mathcursor->DelLine();
 511                 UpdateLocal(bv);
 512                 break;
 513
 514         case LFUN_TAB:
 515                 bv->lockedInsetStoreUndo(Undo::INSERT);
 516                 mathcursor->idxRight();
 517                 UpdateLocal(bv);
 518                 break;
 519
 520         case LFUN_TABINSERT:
 521                 bv->lockedInsetStoreUndo(Undo::INSERT);
 522                 mathcursor->idxRight();
 523                 UpdateLocal(bv);
 524                 break;
 525
 526         case LFUN_BACKSPACE:
 527                 if (!mathcursor->InMacroMode() && mathcursor->pos() == 0) {
 528                         bv->lockedInsetStoreUndo(Undo::DELETE);
 529                         mathcursor->pullArg();
 530                         bv->updateInset(this, true);
 531                         break;
 532                 }
 533                 if (!mathcursor->Left())
 534                         break;
 535
 536                 // fall through...
 537
 538         case LFUN_DELETE:
 539                 bv->lockedInsetStoreUndo(Undo::DELETE);
 540                 mathcursor->Delete();
 541                 bv->updateInset(this, true);
 542                 break;
 543
 544                 //    case LFUN_GETXY:
 545                 //      sprintf(dispatch_buffer, "%d %d",);
 546                 //      dispatch_result = dispatch_buffer;
 547                 //      break;
 548         case LFUN_SETXY:
 549         {
 550                 lyxerr << "LFUN_SETXY broken!\n";
 551                 int x, y, x1, y1;
 552                 istringstream is(arg.c_str());
 553                 is >> x >> y;
 554                 lyxerr << "LFUN_SETXY: x: " << x << " y: " << y << "\n";
 555                 par_->GetXY(x1, y1);
 556                 mathcursor->SetPos(x1 + x, y1 + y);
 557         }
 558         break;
 559
 560                 // cursor selection ----------------------------
 561
 562         case LFUN_PASTE:
 563                 if (was_macro)
 564                         mathcursor->MacroModeClose();
 565                 bv->lockedInsetStoreUndo(Undo::INSERT);
 566                 mathcursor->SelPaste();
 567                 UpdateLocal(bv);
 568                 break;
 569
 570         case LFUN_CUT:
 571                 bv->lockedInsetStoreUndo(Undo::DELETE);
 572                 mathcursor->SelCut();
 573                 UpdateLocal(bv);
 574                 break;
 575
 576         case LFUN_COPY:
 577                 mathcursor->SelCopy();
 578                 break;
 579
 580         case LFUN_HOMESEL:
 581         case LFUN_ENDSEL:
 582         case LFUN_WORDRIGHTSEL:
 583         case LFUN_WORDLEFTSEL:
 584                 break;
 585
 586                 // --- accented characters ------------------------------
 587
 588         case LFUN_UMLAUT:     mathcursor->setAccent(LM_ddot); break;
 589         case LFUN_CIRCUMFLEX: mathcursor->setAccent(LM_hat); break;
 590         case LFUN_GRAVE:      mathcursor->setAccent(LM_grave); break;
 591         case LFUN_ACUTE:      mathcursor->setAccent(LM_acute); break;
 592         case LFUN_TILDE:      mathcursor->setAccent(LM_tilde); break;
 593         case LFUN_MACRON:     mathcursor->setAccent(LM_bar); break;
 594         case LFUN_DOT:        mathcursor->setAccent(LM_dot); break;
 595         case LFUN_CARON:      mathcursor->setAccent(LM_check); break;
 596         case LFUN_BREVE:      mathcursor->setAccent(LM_breve); break;
 597         case LFUN_VECTOR:     mathcursor->setAccent(LM_vec); break;
 598
 599                 // Greek mode
 600         case LFUN_GREEK:
 601                 if (!greek_kb_flag) {
 602                         greek_kb_flag = 1;
 603                         bv->owner()->message(_("Math greek mode on"));
 604                 } else
 605                         greek_kb_flag = 0;
 606                 break;
 607
 608                 // Greek keyboard
 609         case LFUN_GREEK_TOGGLE:
 610                 greek_kb_flag = greek_kb_flag ? 0 : 2;
 611                 if (greek_kb_flag)
 612                         bv->owner()->message(_("Math greek keyboard on"));
 613                 else
 614                         bv->owner()->message(_("Math greek keyboard off"));
 615                 break;
 616
 617                 //  Math fonts
 618         case LFUN_BOLD:  mathcursor->toggleLastCode(LM_TC_BF); break;
 619         case LFUN_SANS:  mathcursor->toggleLastCode(LM_TC_SF); break;
 620         case LFUN_EMPH:  mathcursor->toggleLastCode(LM_TC_CAL); break;
 621         case LFUN_ROMAN: mathcursor->toggleLastCode(LM_TC_RM); break;
 622         case LFUN_CODE:  mathcursor->toggleLastCode(LM_TC_TT); break;
 623         case LFUN_DEFAULT:  mathcursor->setLastCode(LM_TC_VAR); break;
 624
 625         case LFUN_TEX:
 626                 // varcode = LM_TC_TEX;
 627                 mathcursor->setLastCode(LM_TC_TEX);
 628                 bv->owner()->message(_("TeX mode"));
 629                 break;
 630
 631         case LFUN_MATH_LIMITS:
 632                 bv->lockedInsetStoreUndo(Undo::INSERT);
 633                 if (mathcursor->toggleLimits())
 634                         UpdateLocal(bv);
 635                 break;
 636
 637         case LFUN_MATH_SIZE:
 638                 if (!arg.empty()) {
 639                         bv->lockedInsetStoreUndo(Undo::INSERT);
 640                         latexkeys const * l = in_word_set(arg);
 641                         mathcursor->SetSize(MathStyles(l ? l->id : -1));
 642                         UpdateLocal(bv);
 643                 }
 644                 break;
 645
 646         case LFUN_INSERT_MATH:
 647                 if (!arg.empty()) {
 648                         bv->lockedInsetStoreUndo(Undo::INSERT);
 649                         mathcursor->Interpret(arg);
 650                         UpdateLocal(bv);
 651                 }
 652                 break;
 653
 654
 655         case LFUN_INSERT_MATRIX:
 656                 if (mathcursor) {
 657                         bv->lockedInsetStoreUndo(Undo::INSERT);
 658                         int m = 1;
 659                         int n = 1;
 660                         string v_align, h_align;
 661                         istringstream is(arg.c_str());
 662                         is >> m >> n >> v_align >> h_align;
 663                         MathArrayInset * p = new MathArrayInset(m, n);
 664                         p->valign(v_align[0]);
 665                         p->halign(h_align);
 666                         mathcursor->insert(p);
 667                         UpdateLocal(bv);
 668                 }
 669                 break;
 670
 671         case LFUN_MATH_DELIM:
 672         {
 673                 bv->lockedInsetStoreUndo(Undo::INSERT);
 674                 int ilt = '(';
 675                 int irt = '.';
 676                 static const string vdelim("(){}[]./|");
 677                 lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
 678
 679                 if (arg.empty())
 680                         break;
 681
 682                 istringstream is(arg.c_str());
 683                 string lt, rt;
 684                 is >> lt >> rt;
 685                 lyxerr << "formulabase::LFUN_MATH_DELIM, lt: '" << lt << "'\n";
 686                 lyxerr << "formulabase::LFUN_MATH_DELIM, rt: '" << rt << "'\n";
 687
 688                 if (lt.size() > 1) {
 689                         latexkeys const * l = in_word_set(lt);
 690                         if (l)
 691                                 ilt = l->id;
 692                 } else if (vdelim.find(lt[0]) != string::npos)
 693                                 ilt = lt[0];
 694
 695                 if (rt.size() > 1) {
 696                         latexkeys const * l = in_word_set(rt);
 697                         if (l)
 698                                 irt = l->id;
 699                 } else if (vdelim.find(rt[0]) != string::npos)
 700                                 irt = rt[0];
 701
 702                 if (mathcursor->selection) {
 703                         MathDelimInset * p = new MathDelimInset(ilt, irt);
 704                         MathArray ar;
 705                         mathcursor->selArray(ar);
 706                         lyxerr << "selarray: " << ar << "\n";
 707                         p->cell(0) = ar;
 708                         mathcursor->insert(p);
 709                 } else {
 710                         mathcursor->insert(new MathDelimInset(ilt, irt));
 711                 }
 712                 UpdateLocal(bv);
 713                 break;
 714         }
 715
 716         case LFUN_PROTECTEDSPACE:
 717                 bv->lockedInsetStoreUndo(Undo::INSERT);
 718                 mathcursor->insert(new MathSpaceInset(1));
 719                 space_on = true;
 720                 UpdateLocal(bv);
 721                 break;
 722
 723                 // Invalid actions under math mode
 724         case LFUN_MATH_MODE:
 725                 if (mathcursor->getLastCode() != LM_TC_TEXTRM) {
 726                         bv->owner()->message(_("math text mode"));
 727                         varcode = LM_TC_TEXTRM;
 728                 } else
 729                         varcode = LM_TC_VAR;
 730                 mathcursor->setLastCode(varcode);
 731                 break;
 732
 733         case LFUN_UNDO:
 734                 bv->owner()->message(_("Invalid action in math mode!"));
 735                 break;
 736
 737
 738         case LFUN_MATH_HALIGN:
 739         {
 740                 bv->lockedInsetStoreUndo(Undo::INSERT);
 741                 lyxerr << "handling halign '" << arg << "'\n";
 742                 int idx;
 743                 MathArrayInset * p = matrixpar(idx);
 744                 if (!p)
 745                         break;
 746                 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
 747                 UpdateLocal(bv);
 748                 break;
 749         }
 750
 751         case LFUN_MATH_VALIGN:
 752         {
 753                 bv->lockedInsetStoreUndo(Undo::INSERT);
 754                 lyxerr << "handling valign '" << arg << "'\n";
 755                 int idx;
 756                 MathArrayInset * p = matrixpar(idx);
 757                 if (!p)
 758                         break;
 759                 p->valign(arg.size() ? arg[0] : 'c');
 760                 UpdateLocal(bv);
 761                 break;
 762         }
 763
 764         case LFUN_MATH_ROW_INSERT:
 765         {
 766                 bv->lockedInsetStoreUndo(Undo::INSERT);
 767                 int idx;
 768                 MathArrayInset * p = matrixpar(idx);
 769                 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
 770                 if (!p)
 771                         break;
 772                 p->addRow(p->row(idx));
 773                 UpdateLocal(bv);
 774                 break;
 775         }
 776
 777         case LFUN_MATH_ROW_DELETE:
 778         {
 779                 bv->lockedInsetStoreUndo(Undo::INSERT);
 780                 int idx;
 781                 MathArrayInset * p = matrixpar(idx);
 782                 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
 783                 if (!p)
 784                         break;
 785                 p->delRow(p->row(idx));
 786                 UpdateLocal(bv);
 787                 break;
 788         }
 789
 790         case LFUN_MATH_COLUMN_INSERT:
 791         {
 792                 bv->lockedInsetStoreUndo(Undo::INSERT);
 793                 int idx;
 794                 MathArrayInset * p = matrixpar(idx);
 795                 if (!p)
 796                         break;
 797                 p->addCol(p->col(idx));
 798                 UpdateLocal(bv);
 799                 break;
 800         }
 801
 802         case LFUN_MATH_COLUMN_DELETE:
 803         {
 804                 bv->lockedInsetStoreUndo(Undo::INSERT);
 805                 int idx;
 806                 MathArrayInset * p = matrixpar(idx);
 807                 if (!p)
 808                         break;
 809                 p->delCol(p->col(idx));
 810                 UpdateLocal(bv);
 811                 break;
 812         }
 813
 814         case LFUN_EXEC_COMMAND:
 815                 result = UNDISPATCHED;
 816                 break;
 817
 818
 819                 //------- dummy actions
 820 #ifdef WITH_WARNINGS
 821 #warning Is this needed here? Shouldnt the main dispatch handle this? (Lgb)
 822 #endif
 823                 //case LFUN_EXEC_COMMAND:
 824                 //bv->owner()->getMiniBuffer()->PrepareForCommand();
 825                 //break;
 826
 827         default:
 828                 if ((action == -1  || action == LFUN_SELFINSERT)
 829                     && !arg.empty())  {
 830                         unsigned char c = arg[0];
 831                         bv->lockedInsetStoreUndo(Undo::INSERT);
 832
 833                         if (c == ' ' && mathcursor->getAccent() == LM_hat) {
 834                                 c = '^';
 835                                 mathcursor->setAccent(0);
 836                         }
 837
 838                         if (c == 0) {      // Dead key, do nothing
 839                                 //lyxerr << "deadkey" << endl;
 840                                 break;
 841                         }
 842
 843                         if (isalpha(c)) {
 844                                 if (mathcursor->getLastCode() == LM_TC_TEX) {
 845                                         mathcursor->MacroModeOpen();
 846                                         mathcursor->clearLastCode();
 847                                         varcode = LM_TC_MIN;
 848                                 } else if (!varcode) {
 849                                         short f = mathcursor->getLastCode() ?
 850                                                 mathcursor->getLastCode() :
 851                                                 mathcursor->nextCode();
 852                                         varcode = MathIsAlphaFont(f) ?
 853                                                 static_cast<MathTextCodes>(f) :
 854                                                 LM_TC_VAR;
 855                                 }
 856
 857                                 //           lyxerr << "Varcode << vardoce;
 858                                 MathTextCodes char_code = varcode;
 859                                 if (greek_kb_flag) {
 860                                         char greek[26] =
 861                                         {'A', 'B', 'X',  0 , 'E',  0 ,  0 , 'H', 'I',  0 ,
 862                                          'K',  0 , 'M', 'N', 'O',  0 ,  0 , 'P',  0 , 'T',
 863                                          'Y',  0,   0,   0,   0 , 'Z' };
 864
 865                                         if ('A' <= c && c <= 'Z' && greek[c - 'A']) {
 866                                                 char_code = LM_TC_RM;
 867                                                 c = greek[c - 'A'];
 868                                         } else
 869                                                 char_code = LM_TC_SYMB;
 870                                 }
 871
 872                                 mathcursor->insert(c, char_code);
 873
 874                                 if (greek_kb_flag && char_code == LM_TC_RM )
 875                                         mathcursor->setLastCode(LM_TC_VAR);
 876
 877                                 varcode = LM_TC_MIN;
 878
 879                                 if (greek_kb_flag < 2)
 880                                         greek_kb_flag = 0;
 881
 882                         } else if (strchr("!,:;{}", c) && (varcode == LM_TC_TEX||was_macro)) {
 883                                 mathcursor->insert(c, LM_TC_TEX);
 884                                 if (c == '{') {
 885                                         mathcursor->insert('}', LM_TC_TEX);
 886                                         mathcursor->Left();
 887                                 }
 888                                 mathcursor->clearLastCode();
 889                                 //             varcode = LM_TC_MIN;
 890                         } else if (c == '_' && varcode == LM_TC_TEX) {
 891                                 mathcursor->insert(c, LM_TC_SPECIAL);
 892                                 mathcursor->clearLastCode();
 893                                 //             varcode = LM_TC_MIN;
 894                         } else if ('0' <= c && c <= '9' && (varcode == LM_TC_TEX||was_macro)) {
 895                                 mathcursor->MacroModeOpen();
 896                                 mathcursor->clearLastCode();
 897                                 mathcursor->insert(c, LM_TC_MIN);
 898                         } else if (('0' <= c && c <= '9') || strchr(";:!|[]().,?", c)) {
 899                                 mathcursor->insert(c, LM_TC_CONST);
 900                         } else if (strchr("+/-*<>=", c)) {
 901                                 mathcursor->insert(c, LM_TC_BOP);
 902                         } else if (strchr(latex_special_chars, c) && c!= '_') {
 903                                 mathcursor->insert(c, LM_TC_SPECIAL);
 904                         } else if (c == '_' || c == '^') {
 905                                 char s[2];
 906                                 s[0] = c;
 907                                 s[1] = 0;
 908                                 mathcursor->Interpret(s);
 909                         } else if (c == ' ') {
 910                                 if (!varcode) {
 911                                         short f = (mathcursor->getLastCode()) ?
 912                                                 mathcursor->getLastCode() :
 913                                                 mathcursor->nextCode();
 914                                         varcode = MathIsAlphaFont(f) ?
 915                                                 static_cast<MathTextCodes>(f) :
 916                                                 LM_TC_VAR;
 917                                 }
 918
 919                                 if (varcode == LM_TC_TEXTRM) {
 920                                         mathcursor->insert(c, LM_TC_TEXTRM);
 921                                 } else if (was_macro) {
 922                                         mathcursor->MacroModeClose();
 923                                 } else if (sp) {
 924                                         int isp = (sp->GetSpace()<5) ? sp->GetSpace()+1: 0;
 925                                         sp->SetSpace(isp);
 926                                         space_on = true;
 927                                 } else {
 928                                         lyxerr << "look here!\n";
 929                                         //if (!mathcursor->cursor.pop() && !mathcursor->cursor.OK())
 930                                         result = FINISHED;
 931                                 }
 932                         } else if (c == '\'' || c == '@') {
 933                                 mathcursor->insert (c, LM_TC_VAR);
 934                         } else if (c == '\\') {
 935                                 if (was_macro)
 936                                         mathcursor->MacroModeClose();
 937                                 bv->owner()->message(_("TeX mode"));
 938                                 mathcursor->setLastCode(LM_TC_TEX);
 939                         }
 940                         UpdateLocal(bv);
 941                 } else if (action == LFUN_MATH_PANEL) {
 942                         result = UNDISPATCHED;
 943                 } else {
 944                         lyxerr << "Closed by action " << action << endl;
 945                         result =  FINISHED;
 946                 }
 947         }
 948
 949         if (mathcursor)
 950                 mathcursor->normalize();
 951
 952         if (mathcursor && was_macro != mathcursor->InMacroMode()
 953                                 && action >= 0
 954                                 && action != LFUN_BACKSPACE)
 955                 UpdateLocal(bv);
 956
 957         //if (mathcursor)
 958         //              UpdateLocal(bv);
 959
 960         if (sp && !space_on)
 961                 sp = 0;
 962
 963         if (mathcursor && (mathcursor->Selection() || was_selection))
 964                 ToggleInsetSelection(bv);
 965
 966         if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
 967             result == UNDISPATCHED)
 968                 ShowInsetCursor(bv);
 969         else
 970                 bv->unlockInset(this);
 971
 972         return result;  // original version
 973 }
 974
 975
 976
 977 /* FIXME: math-greek-toggle seems to work OK, but math-greek doesn't turn
 978  * on greek mode */
 979 bool math_insert_greek(BufferView * bv, char c)
 980 {
 981         if (!bv->available())
 982                 return false;
 983
 984         if (!isalpha(c))
 985                 return false;
 986
 987         string tmp;
 988         tmp = c;
 989         if (!bv->theLockingInset() || bv->theLockingInset()->IsTextInset()) {
 990                 int greek_kb_flag_save = greek_kb_flag;
 991                 InsetFormula * new_inset = new InsetFormula();
 992                 bv->beforeChange(bv->text);
 993                 if (!bv->insertInset(new_inset)) {
 994                         delete new_inset;
 995                         return false;
 996                 }
 997                 //Update(1);//BUG
 998                 new_inset->Edit(bv, 0, 0, 0);
 999                 new_inset->LocalDispatch(bv, LFUN_SELFINSERT, tmp);
1000                 if (greek_kb_flag_save < 2) {
1001                         bv->unlockInset(new_inset); // bv->theLockingInset());
1002 #warning someone broke this in bolzano
1003                         //bv->text->cursorRight(bv, true);
1004                 }
1005         } else
1006                 if (bv->theLockingInset()->LyxCode() == Inset::MATH_CODE ||
1007                                 bv->theLockingInset()->LyxCode() == Inset::MATHMACRO_CODE)
1008                         static_cast<InsetFormula*>(bv->theLockingInset())->LocalDispatch(bv, LFUN_SELFINSERT, tmp);
1009                 else
1010                         lyxerr << "Math error: attempt to write on a wrong "
1011                                 "class of inset." << endl;
1012         return true;
1013 }
1014
1015
1016
1017 Inset::Code InsetFormulaBase::LyxCode() const
1018 {
1019         return Inset::MATH_CODE;
1020 }
1021
1022
1023 LyXFont const InsetFormulaBase::ConvertFont(LyXFont const & f) const
1024 {
1025         // We have already discussed what was here
1026         LyXFont font(f);
1027         font.setLatex(LyXFont::OFF);
1028         return font;
1029 }
1030
1031 MathInset * InsetFormulaBase::par() const
1032 {
1033         return par_;
1034 }
1035