src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "FloatList.h"
  21 #include "FuncStatus.h"
  22 #include "buffer.h"
  23 #include "bufferparams.h"
  24 #include "BufferView.h"
  25 #include "cursor.h"
  26 #include "coordcache.h"
  27 #include "CutAndPaste.h"
  28 #include "debug.h"
  29 #include "dispatchresult.h"
  30 #include "factory.h"
  31 #include "funcrequest.h"
  32 #include "gettext.h"
  33 #include "intl.h"
  34 #include "language.h"
  35 #include "lyxfunc.h"
  36 #include "lyxlex.h"
  37 #include "lyxrc.h"
  38 #include "lyxrow.h"
  39 #include "paragraph.h"
  40 #include "paragraph_funcs.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo.h"
  43 #include "vspace.h"
  44
  45 #include "frontends/Dialogs.h"
  46 #include "frontends/LyXView.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insetfloatlist.h"
  50 #include "insets/insetnewline.h"
  51 #include "insets/insetquotes.h"
  52 #include "insets/insetspecialchar.h"
  53 #include "insets/insettext.h"
  54
  55 #include "support/lstrings.h"
  56 #include "support/lyxlib.h"
  57 #include "support/convert.h"
  58
  59 #include "mathed/math_hullinset.h"
  60 #include "mathed/math_macrotemplate.h"
  61
  62 #include <clocale>
  63 #include <sstream>
  64
  65 using lyx::pos_type;
  66
  67 using lyx::cap::copySelection;
  68 using lyx::cap::cutSelection;
  69 using lyx::cap::pasteSelection;
  70 using lyx::cap::replaceSelection;
  71
  72 using lyx::support::isStrUnsignedInt;
  73 using lyx::support::token;
  74
  75 using std::endl;
  76 using std::find;
  77 using std::string;
  78 using std::istringstream;
  79 using std::vector;
  80
  81
  82 extern string current_layout;
  83
  84
  85 namespace {
  86
  87         // globals...
  88         LyXFont freefont(LyXFont::ALL_IGNORE);
  89         bool toggleall = false;
  90
  91
  92         void toggleAndShow(LCursor & cur, LyXText * text,
  93                 LyXFont const & font, bool toggleall = true)
  94         {
  95                 text->toggleFree(cur, font, toggleall);
  96
  97                 if (font.language() != ignore_language ||
  98                                 font.number() != LyXFont::IGNORE) {
  99                         Paragraph & par = cur.paragraph();
 100                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 101                         if (cur.boundary() !=
 102                                         text->bidi.isBoundary(cur.buffer(), par,
 103                                                         cur.pos(),
 104                                                         text->real_current_font))
 105                                 text->setCursor(cur, cur.pit(), cur.pos(),
 106                                                 false, !cur.boundary());
 107                 }
 108         }
 109
 110
 111         void moveCursor(LCursor & cur, bool selecting)
 112         {
 113                 if (selecting || cur.mark())
 114                         cur.setSelection();
 115                 if (!cur.selection())
 116                         cur.bv().haveSelection(false);
 117                 cur.bv().switchKeyMap();
 118         }
 119
 120
 121         void finishChange(LCursor & cur, bool selecting)
 122         {
 123                 finishUndo();
 124                 moveCursor(cur, selecting);
 125         }
 126
 127
 128         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 129         {
 130                 recordUndo(cur);
 131                 string sel = cur.selectionAsString(false);
 132                 lyxerr << "selection is: '" << sel << "'" << endl;
 133
 134                 if (sel.empty()) {
 135                         const int old_pos = cur.pos();
 136                         cur.insert(new MathHullInset);
 137                         BOOST_ASSERT(old_pos == cur.pos());
 138                         cur.nextInset()->edit(cur, true);
 139                         cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 140                         // don't do that also for LFUN_MATH_MODE
 141                         // unless you want end up with always changing
 142                         // to mathrm when opening an inlined inset --
 143                         // I really hate "LyXfunc overloading"...
 144                         if (display)
 145                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 146                         cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
 147                 } else {
 148                         // create a macro if we see "\\newcommand"
 149                         // somewhere, and an ordinary formula
 150                         // otherwise
 151                         cutSelection(cur, true, true);
 152                         if (sel.find("\\newcommand") == string::npos
 153                             && sel.find("\\def") == string::npos)
 154                         {
 155                                 cur.insert(new MathHullInset);
 156                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 157                                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 158                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 159                         } else {
 160                                 istringstream is(sel);
 161                                 cur.insert(new MathMacroTemplate(is));
 162                         }
 163                 }
 164                 cur.message(N_("Math editor mode"));
 165         }
 166
 167 } // namespace anon
 168
 169
 170
 171 namespace bv_funcs {
 172
 173 string const freefont2string()
 174 {
 175         string data;
 176         if (font2string(freefont, toggleall, data))
 177                 return data;
 178         return string();
 179 }
 180
 181 }
 182
 183 bool LyXText::gotoNextInset(LCursor & cur,
 184         vector<InsetBase_code> const & codes, string const & contents)
 185 {
 186         BOOST_ASSERT(this == cur.text());
 187         pit_type end = paragraphs().size();
 188         pit_type pit = cur.pit();
 189         pos_type pos = cur.pos();
 190
 191         InsetBase * inset;
 192         do {
 193                 if (pos + 1 < pars_[pit].size()) {
 194                         ++pos;
 195                 } else  {
 196                         ++pit;
 197                         pos = 0;
 198                 }
 199
 200         } while (pit != end &&
 201                  !(pars_[pit].isInset(pos) &&
 202                    (inset = pars_[pit].getInset(pos)) != 0 &&
 203                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 204                    (contents.empty() ||
 205                     static_cast<InsetCommand *>(pars_[pit].getInset(pos))->getContents()
 206                     == contents)));
 207
 208         if (pit == end)
 209                 return false;
 210
 211         setCursor(cur, pit, pos, false);
 212         return true;
 213 }
 214
 215
 216 void LyXText::gotoInset(LCursor & cur,
 217         vector<InsetBase_code> const & codes, bool same_content)
 218 {
 219         cur.clearSelection();
 220
 221         string contents;
 222         if (same_content
 223             && cur.pos() < cur.lastpos()
 224             && cur.paragraph().isInset(cur.pos())) {
 225                 InsetBase const * inset = cur.paragraph().getInset(cur.pos());
 226                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 227                     != codes.end())
 228                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 229         }
 230
 231         if (!gotoNextInset(cur, codes, contents)) {
 232                 if (cur.pos() || cur.pit() != 0) {
 233                         CursorSlice tmp = cur.top();
 234                         cur.pit() = 0;
 235                         cur.pos() = 0;
 236                         if (!gotoNextInset(cur, codes, contents)) {
 237                                 cur.top() = tmp;
 238                                 cur.message(_("No more insets"));
 239                         }
 240                 } else {
 241                         cur.message(_("No more insets"));
 242                 }
 243         }
 244         cur.resetAnchor();
 245 }
 246
 247
 248 void LyXText::gotoInset(LCursor & cur, InsetBase_code code, bool same_content)
 249 {
 250         gotoInset(cur, vector<InsetBase_code>(1, code), same_content);
 251 }
 252
 253
 254 void LyXText::cursorPrevious(LCursor & cur)
 255 {
 256         pos_type cpos = cur.pos();
 257         lyx::pit_type cpar = cur.pit();
 258
 259         int x = cur.x_target();
 260
 261         setCursorFromCoordinates(cur, x, 0);
 262         cursorUp(cur);
 263
 264         if (cpar == cur.pit() && cpos == cur.pos()) {
 265                 // we have a row which is taller than the workarea. The
 266                 // simplest solution is to move to the previous row instead.
 267                 cursorUp(cur);
 268         }
 269
 270         cur.bv().updateScrollbar();
 271         finishUndo();
 272 }
 273
 274
 275 void LyXText::cursorNext(LCursor & cur)
 276 {
 277         pos_type cpos = cur.pos();
 278         lyx::pit_type cpar = cur.pit();
 279
 280         int x = cur.x_target();
 281         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 282         cursorDown(cur);
 283
 284         if (cpar == cur.pit() && cpos == cur.pos()) {
 285                 // we have a row which is taller than the workarea. The
 286                 // simplest solution is to move to the next row instead.
 287                 cursorDown(cur);
 288         }
 289
 290         cur.bv().updateScrollbar();
 291         finishUndo();
 292 }
 293
 294
 295 namespace {
 296
 297 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 298 {
 299         lyx::cap::replaceSelection(cur);
 300         cur.insert(new InsetSpecialChar(kind));
 301         cur.posRight();
 302 }
 303
 304
 305 void doInsertInset(LCursor & cur, LyXText * text,
 306         FuncRequest const & cmd, bool edit, bool pastesel)
 307 {
 308         InsetBase * inset = createInset(&cur.bv(), cmd);
 309         if (!inset)
 310                 return;
 311
 312         recordUndo(cur);
 313         bool gotsel = false;
 314         if (cur.selection()) {
 315                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 316                 gotsel = true;
 317         }
 318         text->insertInset(cur, inset);
 319
 320         if (edit)
 321                 inset->edit(cur, true);
 322
 323         if (gotsel && pastesel)
 324                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 325 }
 326
 327
 328 void update(LCursor & cur)
 329 {
 330         //we don't call update(true, false) directly to save a metrics call
 331         if (cur.bv().fitCursor())
 332                 cur.bv().update(false, true);
 333 }
 334
 335
 336 } // anon namespace
 337
 338
 339 void LyXText::number(LCursor & cur)
 340 {
 341         LyXFont font(LyXFont::ALL_IGNORE);
 342         font.setNumber(LyXFont::TOGGLE);
 343         toggleAndShow(cur, this, font);
 344 }
 345
 346
 347 bool LyXText::isRTL(Paragraph const & par) const
 348 {
 349         return par.isRightToLeftPar(bv()->buffer()->params());
 350 }
 351
 352
 353 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 354 {
 355         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 356         //lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
 357
 358         BOOST_ASSERT(cur.text() == this);
 359         BufferView * bv = &cur.bv();
 360         CursorSlice sl = cur.top();
 361         bool sel = cur.selection();
 362         bool moving = false;
 363
 364         switch (cmd.action) {
 365
 366         case LFUN_APPENDIX: {
 367                 Paragraph & par = cur.paragraph();
 368                 bool start = !par.params().startOfAppendix();
 369
 370                 // ensure that we have only one start_of_appendix in this document
 371                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 372                         if (pars_[tmp].params().startOfAppendix()) {
 373                                 recUndo(tmp);
 374                                 pars_[tmp].params().startOfAppendix(false);
 375                                 break;
 376                         }
 377                 }
 378
 379                 recordUndo(cur);
 380                 par.params().startOfAppendix(start);
 381
 382                 // we can set the refreshing parameters now
 383                 updateCounters();
 384                 break;
 385         }
 386
 387         case LFUN_DELETE_WORD_FORWARD:
 388                 cur.clearSelection();
 389                 deleteWordForward(cur);
 390                 finishChange(cur, false);
 391                 break;
 392
 393         case LFUN_DELETE_WORD_BACKWARD:
 394                 cur.clearSelection();
 395                 deleteWordBackward(cur);
 396                 finishChange(cur, false);
 397                 break;
 398
 399         case LFUN_DELETE_LINE_FORWARD:
 400                 cur.clearSelection();
 401                 deleteLineForward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_WORDRIGHT:
 406                 moving = true;
 407                 if (!cur.mark())
 408                         cur.clearSelection();
 409                 if (isRTL(cur.paragraph()))
 410                         cursorLeftOneWord(cur);
 411                 else
 412                         cursorRightOneWord(cur);
 413                 finishChange(cur, false);
 414                 break;
 415
 416         case LFUN_WORDLEFT:
 417                 moving = true;
 418                 if (!cur.mark())
 419                         cur.clearSelection();
 420                 if (isRTL(cur.paragraph()))
 421                         cursorRightOneWord(cur);
 422                 else
 423                         cursorLeftOneWord(cur);
 424                 finishChange(cur, false);
 425                 break;
 426
 427         case LFUN_BEGINNINGBUF:
 428                 if (cur.size() == 1) {
 429                         if (!cur.mark())
 430                                 cur.clearSelection();
 431                         cursorTop(cur);
 432                         finishChange(cur, false);
 433                 } else {
 434                         cur.undispatched();
 435                 }
 436                 break;
 437
 438         case LFUN_BEGINNINGBUFSEL:
 439                 if (cur.size() == 1) {
 440                         if (!cur.selection())
 441                                 cur.resetAnchor();
 442                         cursorTop(cur);
 443                         finishChange(cur, true);
 444                 } else {
 445                         cur.undispatched();
 446                 }
 447                 break;
 448
 449         case LFUN_ENDBUF:
 450                 if (cur.size() == 1) {
 451                         if (!cur.mark())
 452                                 cur.clearSelection();
 453                         cursorBottom(cur);
 454                         finishChange(cur, false);
 455                 } else {
 456                         cur.undispatched();
 457                 }
 458                 break;
 459
 460         case LFUN_ENDBUFSEL:
 461                 if (cur.size() == 1) {
 462                         if (!cur.selection())
 463                                 cur.resetAnchor();
 464                         cursorBottom(cur);
 465                         finishChange(cur, true);
 466                 } else {
 467                         cur.undispatched();
 468                 }
 469                 break;
 470
 471         case LFUN_RIGHT:
 472                 moving = true;
 473         case LFUN_RIGHTSEL:
 474                 //lyxerr << "handle LFUN_RIGHT[SEL]:\n" << cur << endl;
 475                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 476                 if (isRTL(cur.paragraph()))
 477                         cursorLeft(cur);
 478                 else
 479                         cursorRight(cur);
 480                 if (sl == cur.top()) {
 481                         cur.undispatched();
 482                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 483                 }
 484                 break;
 485
 486         case LFUN_LEFT:
 487                 moving = true;
 488         case LFUN_LEFTSEL:
 489                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 490                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 491                 if (isRTL(cur.paragraph()))
 492                         cursorRight(cur);
 493                 else
 494                         cursorLeft(cur);
 495                 if (sl == cur.top()) {
 496                         cur.undispatched();
 497                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 498                 }
 499                 break;
 500
 501         case LFUN_UP:
 502                 moving = true;
 503         case LFUN_UPSEL:
 504                 update(cur);
 505                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 506                 cur.selHandle(cmd.action == LFUN_UPSEL);
 507                 cursorUp(cur);
 508                 if (sl == cur.top()) {
 509                         cur.undispatched();
 510                         cmd = FuncRequest(LFUN_FINISHED_UP);
 511                 }
 512                 break;
 513
 514         case LFUN_DOWN:
 515                 moving = true;
 516         case LFUN_DOWNSEL:
 517                 update(cur);
 518                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 519                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 520                 cursorDown(cur);
 521                 if (sl == cur.top()) {
 522                         cur.undispatched();
 523                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 524                 }
 525                 break;
 526
 527         case LFUN_UP_PARAGRAPHSEL:
 528                 if (!cur.selection())
 529                         cur.resetAnchor();
 530                 cursorUpParagraph(cur);
 531                 finishChange(cur, true);
 532                 break;
 533
 534         case LFUN_DOWN_PARAGRAPHSEL:
 535                 if (!cur.selection())
 536                         cur.resetAnchor();
 537                 cursorDownParagraph(cur);
 538                 finishChange(cur, true);
 539                 break;
 540
 541         case LFUN_PRIORSEL:
 542                 update(cur);
 543                 if (!cur.selection())
 544                         cur.resetAnchor();
 545                 cursorPrevious(cur);
 546                 finishChange(cur, true);
 547                 break;
 548
 549         case LFUN_NEXTSEL:
 550                 update(cur);
 551                 if (!cur.selection())
 552                         cur.resetAnchor();
 553                 cursorNext(cur);
 554                 finishChange(cur, true);
 555                 break;
 556
 557         case LFUN_HOMESEL:
 558                 update(cur);
 559                 if (!cur.selection())
 560                         cur.resetAnchor();
 561                 cursorHome(cur);
 562                 finishChange(cur, true);
 563                 break;
 564
 565         case LFUN_ENDSEL:
 566                 update(cur);
 567                 if (!cur.selection())
 568                         cur.resetAnchor();
 569                 cursorEnd(cur);
 570                 finishChange(cur, true);
 571                 break;
 572
 573         case LFUN_WORDRIGHTSEL:
 574                 if (!cur.selection())
 575                         cur.resetAnchor();
 576                 if (isRTL(cur.paragraph()))
 577                         cursorLeftOneWord(cur);
 578                 else
 579                         cursorRightOneWord(cur);
 580                 finishChange(cur, true);
 581                 break;
 582
 583         case LFUN_WORDLEFTSEL:
 584                 if (!cur.selection())
 585                         cur.resetAnchor();
 586                 if (isRTL(cur.paragraph()))
 587                         cursorRightOneWord(cur);
 588                 else
 589                         cursorLeftOneWord(cur);
 590                 finishChange(cur, true);
 591                 break;
 592
 593         case LFUN_WORDSEL: {
 594                 selectWord(cur, lyx::WHOLE_WORD);
 595                 finishChange(cur, true);
 596                 break;
 597         }
 598
 599         case LFUN_UP_PARAGRAPH:
 600                 moving = true;
 601                 if (!cur.mark())
 602                         cur.clearSelection();
 603                 cursorUpParagraph(cur);
 604                 finishChange(cur, false);
 605                 break;
 606
 607         case LFUN_DOWN_PARAGRAPH:
 608                 moving = true;
 609                 if (!cur.mark())
 610                         cur.clearSelection();
 611                 cursorDownParagraph(cur);
 612                 finishChange(cur, false);
 613                 break;
 614
 615         case LFUN_PRIOR:
 616                 update(cur);
 617                 moving = true;
 618                 if (!cur.mark())
 619                         cur.clearSelection();
 620                 finishChange(cur, false);
 621                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 622                         cur.undispatched();
 623                         cmd = FuncRequest(LFUN_FINISHED_UP);
 624                 } else {
 625                         cursorPrevious(cur);
 626                 }
 627                 break;
 628
 629         case LFUN_NEXT:
 630                 update(cur);
 631                 moving = true;
 632                 if (!cur.mark())
 633                         cur.clearSelection();
 634                 finishChange(cur, false);
 635                 if (cur.pit() == cur.lastpit()
 636                           && cur.textRow().endpos() == cur.lastpos()) {
 637                         cur.undispatched();
 638                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 639                 } else {
 640                         cursorNext(cur);
 641                 }
 642                 break;
 643
 644         case LFUN_HOME:
 645                 if (!cur.mark())
 646                         cur.clearSelection();
 647                 cursorHome(cur);
 648                 finishChange(cur, false);
 649                 break;
 650
 651         case LFUN_END:
 652                 if (!cur.mark())
 653                         cur.clearSelection();
 654                 cursorEnd(cur);
 655                 finishChange(cur, false);
 656                 break;
 657
 658         case LFUN_BREAKLINE: {
 659                 // Not allowed by LaTeX (labels or empty par)
 660                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 661                         lyx::cap::replaceSelection(cur);
 662                         cur.insert(new InsetNewline);
 663                         cur.posRight();
 664                         moveCursor(cur, false);
 665                 }
 666                 break;
 667         }
 668
 669         case LFUN_DELETE:
 670                 if (!cur.selection()) {
 671                         Delete(cur);
 672                         cur.resetAnchor();
 673                         // It is possible to make it a lot faster still
 674                         // just comment out the line below...
 675                 } else {
 676                         cutSelection(cur, true, false);
 677                 }
 678                 moveCursor(cur, false);
 679                 break;
 680
 681         case LFUN_DELETE_SKIP:
 682                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 683                 if (!cur.selection()) {
 684                         if (cur.pos() == cur.lastpos()) {
 685                                 cursorRight(cur);
 686                                 cursorLeft(cur);
 687                         }
 688                         Delete(cur);
 689                         cur.resetAnchor();
 690                 } else {
 691                         cutSelection(cur, true, false);
 692                 }
 693                 break;
 694
 695
 696         case LFUN_BACKSPACE:
 697                 if (!cur.selection()) {
 698                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 699                                 backspace(cur);
 700                                 cur.resetAnchor();
 701                                 // It is possible to make it a lot faster still
 702                                 // just comment out the line below...
 703                         }
 704                 } else {
 705                         cutSelection(cur, true, false);
 706                 }
 707                 bv->switchKeyMap();
 708                 break;
 709
 710         case LFUN_BACKSPACE_SKIP:
 711                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 712                 if (!cur.selection()) {
 713 #ifdef WITH_WARNINGS
 714 #warning look here
 715 #endif
 716                         //CursorSlice cur = cursor();
 717                         backspace(cur);
 718                         //anchor() = cur;
 719                 } else {
 720                         cutSelection(cur, true, false);
 721                 }
 722                 break;
 723
 724         case LFUN_BREAKPARAGRAPH:
 725                 lyx::cap::replaceSelection(cur);
 726                 breakParagraph(cur, 0);
 727                 cur.resetAnchor();
 728                 bv->switchKeyMap();
 729                 break;
 730
 731         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 732                 lyx::cap::replaceSelection(cur);
 733                 breakParagraph(cur, 1);
 734                 cur.resetAnchor();
 735                 bv->switchKeyMap();
 736                 break;
 737
 738         case LFUN_BREAKPARAGRAPH_SKIP: {
 739                 // When at the beginning of a paragraph, remove
 740                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 741                 lyx::cap::replaceSelection(cur);
 742                 if (cur.pos() == 0)
 743                         cur.paragraph().params().labelWidthString(string());
 744                 else
 745                         breakParagraph(cur, 0);
 746                 cur.resetAnchor();
 747                 bv->switchKeyMap();
 748                 break;
 749         }
 750
 751         case LFUN_PARAGRAPH_SPACING: {
 752                 Paragraph & par = cur.paragraph();
 753                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 754                 string cur_value = "1.0";
 755                 if (cur_spacing == Spacing::Other)
 756                         cur_value = par.params().spacing().getValueAsString();
 757
 758                 istringstream is(cmd.argument);
 759                 string tmp;
 760                 is >> tmp;
 761                 Spacing::Space new_spacing = cur_spacing;
 762                 string new_value = cur_value;
 763                 if (tmp.empty()) {
 764                         lyxerr << "Missing argument to `paragraph-spacing'"
 765                                << endl;
 766                 } else if (tmp == "single") {
 767                         new_spacing = Spacing::Single;
 768                 } else if (tmp == "onehalf") {
 769                         new_spacing = Spacing::Onehalf;
 770                 } else if (tmp == "double") {
 771                         new_spacing = Spacing::Double;
 772                 } else if (tmp == "other") {
 773                         new_spacing = Spacing::Other;
 774                         string tmpval = "0.0";
 775                         is >> tmpval;
 776                         lyxerr << "new_value = " << tmpval << endl;
 777                         if (tmpval != "0.0")
 778                                 new_value = tmpval;
 779                 } else if (tmp == "default") {
 780                         new_spacing = Spacing::Default;
 781                 } else {
 782                         lyxerr << _("Unknown spacing argument: ")
 783                                << cmd.argument << endl;
 784                 }
 785                 if (cur_spacing != new_spacing || cur_value != new_value)
 786                         par.params().spacing(Spacing(new_spacing, new_value));
 787                 break;
 788         }
 789
 790         case LFUN_INSET_APPLY: {
 791                 string const name = cmd.getArg(0);
 792                 InsetBase * inset = bv->owner()->getDialogs().getOpenInset(name);
 793                 if (inset) {
 794                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
 795                         inset->dispatch(cur, fr);
 796                 } else {
 797                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument);
 798                         dispatch(cur, fr);
 799                 }
 800                 break;
 801         }
 802
 803         case LFUN_INSET_INSERT: {
 804                 recordUndo(cur);
 805                 InsetBase * inset = createInset(bv, cmd);
 806                 if (inset) {
 807                         insertInset(cur, inset);
 808                         cur.posRight();
 809                 }
 810                 break;
 811         }
 812
 813         case LFUN_INSET_SETTINGS:
 814                 if (cur.inset().asUpdatableInset())
 815                         cur.inset().asUpdatableInset()->showInsetDialog(bv);
 816                 break;
 817
 818         case LFUN_NEXT_INSET_TOGGLE: {
 819                 InsetBase * inset = cur.nextInset();
 820                 if (inset) {
 821                         cur.clearSelection();
 822                         FuncRequest fr = cmd;
 823                         fr.action = LFUN_INSET_TOGGLE;
 824                         inset->dispatch(cur, fr);
 825                 }
 826                 break;
 827         }
 828
 829         case LFUN_KEYMAP_TOGGLE:
 830                 cur.clearSelection();
 831                 bv->switchKeyMap();
 832                 break;
 833
 834         case LFUN_SPACE_INSERT:
 835                 if (cur.paragraph().layout()->free_spacing)
 836                         insertChar(cur, ' ');
 837                 else {
 838                         doInsertInset(cur, this, cmd, false, false);
 839                         cur.posRight();
 840                 }
 841                 moveCursor(cur, false);
 842                 break;
 843
 844         case LFUN_HYPHENATION:
 845                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 846                 break;
 847
 848         case LFUN_LIGATURE_BREAK:
 849                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 850                 break;
 851
 852         case LFUN_LDOTS:
 853                 specialChar(cur, InsetSpecialChar::LDOTS);
 854                 break;
 855
 856         case LFUN_END_OF_SENTENCE:
 857                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 858                 break;
 859
 860         case LFUN_MENU_SEPARATOR:
 861                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 862                 break;
 863
 864         case LFUN_UPCASE_WORD:
 865                 changeCase(cur, LyXText::text_uppercase);
 866                 break;
 867
 868         case LFUN_LOWCASE_WORD:
 869                 changeCase(cur, LyXText::text_lowercase);
 870                 break;
 871
 872         case LFUN_CAPITALIZE_WORD:
 873                 changeCase(cur, LyXText::text_capitalization);
 874                 break;
 875
 876         case LFUN_TRANSPOSE_CHARS:
 877                 recordUndo(cur);
 878                 break;
 879
 880         case LFUN_PASTE:
 881                 cur.message(_("Paste"));
 882                 lyx::cap::replaceSelection(cur);
 883 #ifdef WITH_WARNINGS
 884 #warning FIXME Check if the arg is in the domain of available selections.
 885 #endif
 886                 if (isStrUnsignedInt(cmd.argument))
 887                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 888                 else
 889                         pasteSelection(cur, 0);
 890                 cur.clearSelection(); // bug 393
 891                 bv->switchKeyMap();
 892                 finishUndo();
 893                 break;
 894
 895         case LFUN_CUT:
 896                 cutSelection(cur, true, true);
 897                 cur.message(_("Cut"));
 898                 break;
 899
 900         case LFUN_COPY:
 901                 copySelection(cur);
 902                 cur.message(_("Copy"));
 903                 break;
 904
 905         case LFUN_GETXY:
 906                 cur.message(convert<string>(cursorX(cur.top())) + ' '
 907                           + convert<string>(cursorY(cur.top())));
 908                 break;
 909
 910         case LFUN_SETXY: {
 911                 int x = 0;
 912                 int y = 0;
 913                 istringstream is(cmd.argument);
 914                 is >> x >> y;
 915                 if (!is)
 916                         lyxerr << "SETXY: Could not parse coordinates in '"
 917                                << cmd.argument << std::endl;
 918                 else
 919                         setCursorFromCoordinates(cur, x, y);
 920                 break;
 921         }
 922
 923         case LFUN_GETFONT:
 924                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 925                         cur.message("E");
 926                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 927                         cur.message("N");
 928                 else
 929                         cur.message("0");
 930                 break;
 931
 932         case LFUN_GETLAYOUT:
 933                 cur.message(cur.paragraph().layout()->name());
 934                 break;
 935
 936         case LFUN_LAYOUT: {
 937                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 938                   << cmd.argument << endl;
 939
 940                 // This is not the good solution to the empty argument
 941                 // problem, but it will hopefully suffice for 1.2.0.
 942                 // The correct solution would be to augument the
 943                 // function list/array with information about what
 944                 // functions needs arguments and their type.
 945                 if (cmd.argument.empty()) {
 946                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 947                         break;
 948                 }
 949
 950                 // Derive layout number from given argument (string)
 951                 // and current buffer's textclass (number)
 952                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 953                 bool hasLayout = tclass.hasLayout(cmd.argument);
 954                 string layout = cmd.argument;
 955
 956                 // If the entry is obsolete, use the new one instead.
 957                 if (hasLayout) {
 958                         string const & obs = tclass[layout]->obsoleted_by();
 959                         if (!obs.empty())
 960                                 layout = obs;
 961                 }
 962
 963                 if (!hasLayout) {
 964                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 965                                 N_(" not known"));
 966                         break;
 967                 }
 968
 969                 bool change_layout = (current_layout != layout);
 970
 971                 if (!change_layout && cur.selection() &&
 972                         cur.selBegin().pit() != cur.selEnd().pit())
 973                 {
 974                         pit_type spit = cur.selBegin().pit();
 975                         pit_type epit = cur.selEnd().pit() + 1;
 976                         while (spit != epit) {
 977                                 if (pars_[spit].layout()->name() != current_layout) {
 978                                         change_layout = true;
 979                                         break;
 980                                 }
 981                                 ++spit;
 982                         }
 983                 }
 984
 985                 if (change_layout) {
 986                         current_layout = layout;
 987                         setLayout(cur, layout);
 988                         bv->owner()->setLayout(layout);
 989                         bv->switchKeyMap();
 990                 }
 991                 break;
 992         }
 993
 994         case LFUN_PASTESELECTION: {
 995                 cur.clearSelection();
 996                 string const clip = bv->getClipboard();
 997                 if (!clip.empty()) {
 998                         if (cmd.argument == "paragraph")
 999                                 insertStringAsParagraphs(cur, clip);
1000                         else
1001                                 insertStringAsLines(cur, clip);
1002                 }
1003                 break;
1004         }
1005
1006         case LFUN_GOTOERROR:
1007                 gotoInset(cur, InsetBase::ERROR_CODE, false);
1008                 break;
1009
1010         case LFUN_GOTONOTE:
1011                 gotoInset(cur, InsetBase::NOTE_CODE, false);
1012                 break;
1013
1014         case LFUN_REFERENCE_GOTO: {
1015                 vector<InsetBase_code> tmp;
1016                 tmp.push_back(InsetBase::LABEL_CODE);
1017                 tmp.push_back(InsetBase::REF_CODE);
1018                 gotoInset(cur, tmp, true);
1019                 break;
1020         }
1021
1022         case LFUN_QUOTE: {
1023                 lyx::cap::replaceSelection(cur);
1024                 Paragraph & par = cur.paragraph();
1025                 lyx::pos_type pos = cur.pos();
1026                 char c;
1027                 if (pos == 0)
1028                         c = ' ';
1029                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1030                         c = ' ';
1031                 else
1032                         c = par.getChar(pos - 1);
1033
1034                 LyXLayout_ptr const & style = par.layout();
1035
1036                 BufferParams const & bufparams = bv->buffer()->params();
1037                 if (!style->pass_thru
1038                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1039                         string arg = cmd.argument;
1040                         if (arg == "single")
1041                                 cur.insert(new InsetQuotes(c,
1042                                     bufparams.quotes_language,
1043                                     InsetQuotes::SingleQ));
1044                         else if (arg == "double")
1045                                 cur.insert(new InsetQuotes(c,
1046                                     bufparams.quotes_language,
1047                                     InsetQuotes::DoubleQ));
1048                         else
1049                                 cur.insert(new InsetQuotes(c, bufparams));
1050                         cur.posRight();
1051                 }
1052                 else
1053                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1054                 break;
1055         }
1056
1057         case LFUN_DATE_INSERT: {
1058                 lyx::cap::replaceSelection(cur);
1059                 time_t now_time_t = time(NULL);
1060                 struct tm * now_tm = localtime(&now_time_t);
1061                 setlocale(LC_TIME, "");
1062                 string arg;
1063                 if (!cmd.argument.empty())
1064                         arg = cmd.argument;
1065                 else
1066                         arg = lyxrc.date_insert_format;
1067                 char datetmp[32];
1068                 int const datetmp_len =
1069                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1070
1071                 for (int i = 0; i < datetmp_len; i++)
1072                         insertChar(cur, datetmp[i]);
1073
1074                 cur.resetAnchor();
1075                 moveCursor(cur, false);
1076                 break;
1077         }
1078
1079         case LFUN_MOUSE_TRIPLE:
1080                 if (cmd.button() == mouse_button::button1) {
1081                         cursorHome(cur);
1082                         cur.resetAnchor();
1083                         cursorEnd(cur);
1084                         cur.setSelection();
1085                         bv->haveSelection(cur.selection());
1086                 }
1087                 break;
1088
1089         case LFUN_MOUSE_DOUBLE:
1090                 if (cmd.button() == mouse_button::button1) {
1091                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1092                         bv->haveSelection(cur.selection());
1093                 }
1094                 break;
1095
1096         // Single-click on work area
1097         case LFUN_MOUSE_PRESS: {
1098                 // Right click on a footnote flag opens float menu
1099                 if (cmd.button() == mouse_button::button3) {
1100                         cur.clearSelection();
1101                         break;
1102                 }
1103
1104                 // Middle button press pastes if we have a selection
1105                 // We do this here as if the selection was inside an inset
1106                 // it could get cleared on the unlocking of the inset so
1107                 // we have to check this first
1108                 bool paste_internally = false;
1109                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1110                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1111                         paste_internally = true;
1112                 }
1113
1114                 // Clear the selection
1115                 cur.clearSelection();
1116
1117                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1118                 cur.resetAnchor();
1119                 finishUndo();
1120                 cur.setTargetX();
1121
1122                 // Has the cursor just left the inset?
1123                 if (bv->cursor().inMathed() && !cur.inMathed())
1124                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1125
1126                 // Set cursor here.
1127                 bv->cursor() = cur;
1128
1129                 // Insert primary selection with middle mouse
1130                 // if there is a local selection in the current buffer,
1131                 // insert this
1132                 if (cmd.button() == mouse_button::button2) {
1133                         if (paste_internally)
1134                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1135                         else
1136                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1137                 }
1138
1139                 break;
1140         }
1141
1142         case LFUN_MOUSE_MOTION: {
1143                 // Only use motion with button 1
1144                 //if (cmd.button() != mouse_button::button1)
1145                 //      return false;
1146
1147                 // ignore motions deeper nested than the real anchor
1148                 LCursor & bvcur = cur.bv().cursor();
1149                 if (bvcur.anchor_.hasPart(cur)) {
1150                         CursorSlice old = bvcur.top();
1151
1152                         int const wh = bv->workHeight();
1153                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1154
1155                         setCursorFromCoordinates(cur, cmd.x, y);
1156                         cur.x_target() = cmd.x;
1157                         if (cmd.y >= wh)
1158                                 cursorDown(cur);
1159                         else if (cmd.y < 0)
1160                                 cursorUp(cur);
1161                         // This is to allow jumping over large insets
1162                         if (cur.top() == old) {
1163                                 if (cmd.y >= wh)
1164                                         cursorDown(cur);
1165                                 else if (cmd.y < 0)
1166                                         cursorUp(cur);
1167                         }
1168
1169                         if (cur.top() == old)
1170                                 cur.noUpdate();
1171                         else {
1172                                 // don't set anchor_
1173                                 bvcur.setCursor(cur);
1174                                 bvcur.selection() = true;
1175                                 lyxerr << "MOTION: " << bv->cursor() << endl;
1176                         }
1177
1178                 } else
1179                         cur.undispatched();
1180                 break;
1181         }
1182
1183         case LFUN_MOUSE_RELEASE: {
1184                 if (cmd.button() == mouse_button::button2)
1185                         break;
1186
1187                 // finish selection
1188                 if (cmd.button() == mouse_button::button1)
1189                         bv->haveSelection(cur.selection());
1190
1191                 bv->switchKeyMap();
1192                 bv->owner()->updateMenubar();
1193                 bv->owner()->updateToolbars();
1194                 break;
1195         }
1196
1197         case LFUN_SELFINSERT: {
1198                 if (cmd.argument.empty())
1199                         break;
1200
1201                 // Automatically delete the currently selected
1202                 // text and replace it with what is being
1203                 // typed in now. Depends on lyxrc settings
1204                 // "auto_region_delete", which defaults to
1205                 // true (on).
1206
1207                 if (lyxrc.auto_region_delete) {
1208                         if (cur.selection())
1209                                 cutSelection(cur, false, false);
1210                         bv->haveSelection(false);
1211                 }
1212
1213                 cur.clearSelection();
1214                 LyXFont const old_font = real_current_font;
1215
1216                 string::const_iterator cit = cmd.argument.begin();
1217                 string::const_iterator end = cmd.argument.end();
1218                 for (; cit != end; ++cit)
1219                         bv->owner()->getIntl().getTransManager().
1220                                 TranslateAndInsert(*cit, this);
1221
1222                 cur.resetAnchor();
1223                 moveCursor(cur, false);
1224
1225                 // real_current_font.number can change so we need to
1226                 // update the minibuffer
1227                 if (old_font != real_current_font)
1228                 bv->updateScrollbar();
1229                 break;
1230         }
1231
1232         case LFUN_URL: {
1233                 InsetCommandParams p("url");
1234                 string const data = InsetCommandMailer::params2string("url", p);
1235                 bv->owner()->getDialogs().show("url", data, 0);
1236                 break;
1237         }
1238
1239         case LFUN_HTMLURL: {
1240                 InsetCommandParams p("htmlurl");
1241                 string const data = InsetCommandMailer::params2string("url", p);
1242                 bv->owner()->getDialogs().show("url", data, 0);
1243                 break;
1244         }
1245
1246         case LFUN_INSERT_LABEL: {
1247                 // Try to generate a valid label
1248                 string const contents = cmd.argument.empty() ?
1249                         cur.getPossibleLabel() : cmd.argument;
1250
1251                 InsetCommandParams p("label", contents);
1252                 string const data = InsetCommandMailer::params2string("label", p);
1253
1254                 if (cmd.argument.empty()) {
1255                         bv->owner()->getDialogs().show("label", data, 0);
1256                 } else {
1257                         FuncRequest fr(LFUN_INSET_INSERT, data);
1258                         dispatch(cur, fr);
1259                 }
1260                 break;
1261         }
1262
1263
1264 #if 0
1265         case LFUN_INSET_LIST:
1266         case LFUN_INSET_THEOREM:
1267         case LFUN_INSET_CAPTION:
1268 #endif
1269         case LFUN_INSERT_NOTE:
1270         case LFUN_INSERT_CHARSTYLE:
1271         case LFUN_INSERT_BOX:
1272         case LFUN_INSERT_BRANCH:
1273         case LFUN_INSERT_BIBITEM:
1274         case LFUN_INSET_ERT:
1275         case LFUN_INSET_FLOAT:
1276         case LFUN_INSET_FOOTNOTE:
1277         case LFUN_INSET_MARGINAL:
1278         case LFUN_INSET_OPTARG:
1279         case LFUN_INSET_WIDE_FLOAT:
1280         case LFUN_INSET_WRAP:
1281         case LFUN_TABULAR_INSERT:
1282         case LFUN_ENVIRONMENT_INSERT:
1283                 // Open the inset, and move the current selection
1284                 // inside it.
1285                 doInsertInset(cur, this, cmd, true, true);
1286                 cur.posRight();
1287                 break;
1288
1289         case LFUN_INDEX_INSERT:
1290                 // Just open the inset
1291                 doInsertInset(cur, this, cmd, true, false);
1292                 cur.posRight();
1293                 break;
1294
1295         case LFUN_INDEX_PRINT:
1296         case LFUN_TOC_INSERT:
1297         case LFUN_HFILL:
1298         case LFUN_INSERT_LINE:
1299         case LFUN_INSERT_PAGEBREAK:
1300                 // do nothing fancy
1301                 doInsertInset(cur, this, cmd, false, false);
1302                 cur.posRight();
1303                 break;
1304
1305         case LFUN_DEPTH_MIN:
1306                 changeDepth(cur, DEC_DEPTH);
1307                 break;
1308
1309         case LFUN_DEPTH_PLUS:
1310                 changeDepth(cur, INC_DEPTH);
1311                 break;
1312
1313         case LFUN_MATH_DISPLAY:
1314                 mathDispatch(cur, cmd, true);
1315                 break;
1316
1317         case LFUN_MATH_IMPORT_SELECTION:
1318         case LFUN_MATH_MODE:
1319                 if (cmd.argument == "on")
1320                         // don't pass "on" as argument
1321                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1322                 else
1323                         mathDispatch(cur, cmd, false);
1324                 break;
1325
1326         case LFUN_MATH_MACRO:
1327                 if (cmd.argument.empty())
1328                         cur.errorMessage(N_("Missing argument"));
1329                 else {
1330                         string s = cmd.argument;
1331                         string const s1 = token(s, ' ', 1);
1332                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1333                         string const s2 = token(s, ' ', 2);
1334                         string const type = s2.empty() ? "newcommand" : s2;
1335                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
1336                         //cur.nextInset()->edit(cur, true);
1337                 }
1338                 break;
1339
1340         // passthrough hat and underscore outside mathed:
1341         case LFUN_SUBSCRIPT:
1342                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1343                 break;
1344         case LFUN_SUPERSCRIPT:
1345                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1346                 break;
1347
1348         case LFUN_INSERT_MATH:
1349         case LFUN_INSERT_MATRIX:
1350         case LFUN_MATH_DELIM: {
1351                 cur.insert(new MathHullInset);
1352                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1353                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1354                 cur.dispatch(cmd);
1355                 break;
1356         }
1357
1358         case LFUN_EMPH: {
1359                 LyXFont font(LyXFont::ALL_IGNORE);
1360                 font.setEmph(LyXFont::TOGGLE);
1361                 toggleAndShow(cur, this, font);
1362                 break;
1363         }
1364
1365         case LFUN_BOLD: {
1366                 LyXFont font(LyXFont::ALL_IGNORE);
1367                 font.setSeries(LyXFont::BOLD_SERIES);
1368                 toggleAndShow(cur, this, font);
1369                 break;
1370         }
1371
1372         case LFUN_NOUN: {
1373                 LyXFont font(LyXFont::ALL_IGNORE);
1374                 font.setNoun(LyXFont::TOGGLE);
1375                 toggleAndShow(cur, this, font);
1376                 break;
1377         }
1378
1379         case LFUN_CODE: {
1380                 LyXFont font(LyXFont::ALL_IGNORE);
1381                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1382                 toggleAndShow(cur, this, font);
1383                 break;
1384         }
1385
1386         case LFUN_SANS: {
1387                 LyXFont font(LyXFont::ALL_IGNORE);
1388                 font.setFamily(LyXFont::SANS_FAMILY);
1389                 toggleAndShow(cur, this, font);
1390                 break;
1391         }
1392
1393         case LFUN_ROMAN: {
1394                 LyXFont font(LyXFont::ALL_IGNORE);
1395                 font.setFamily(LyXFont::ROMAN_FAMILY);
1396                 toggleAndShow(cur, this, font);
1397                 break;
1398         }
1399
1400         case LFUN_DEFAULT: {
1401                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1402                 toggleAndShow(cur, this, font);
1403                 break;
1404         }
1405
1406         case LFUN_UNDERLINE: {
1407                 LyXFont font(LyXFont::ALL_IGNORE);
1408                 font.setUnderbar(LyXFont::TOGGLE);
1409                 toggleAndShow(cur, this, font);
1410                 break;
1411         }
1412
1413         case LFUN_FONT_SIZE: {
1414                 LyXFont font(LyXFont::ALL_IGNORE);
1415                 font.setLyXSize(cmd.argument);
1416                 toggleAndShow(cur, this, font);
1417                 break;
1418         }
1419
1420         case LFUN_LANGUAGE: {
1421                 Language const * lang = languages.getLanguage(cmd.argument);
1422                 if (!lang)
1423                         break;
1424                 LyXFont font(LyXFont::ALL_IGNORE);
1425                 font.setLanguage(lang);
1426                 toggleAndShow(cur, this, font);
1427                 bv->switchKeyMap();
1428                 break;
1429         }
1430
1431         case LFUN_FREEFONT_APPLY:
1432                 toggleAndShow(cur, this, freefont, toggleall);
1433                 cur.message(_("Character set"));
1434                 break;
1435
1436         // Set the freefont using the contents of \param data dispatched from
1437         // the frontends and apply it at the current cursor location.
1438         case LFUN_FREEFONT_UPDATE: {
1439                 LyXFont font;
1440                 bool toggle;
1441                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1442                         freefont = font;
1443                         toggleall = toggle;
1444                         toggleAndShow(cur, this, freefont, toggleall);
1445                         cur.message(_("Character set"));
1446                 }
1447                 break;
1448         }
1449
1450         case LFUN_FINISHED_LEFT:
1451                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1452                 break;
1453
1454         case LFUN_FINISHED_RIGHT:
1455                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1456                 ++cur.pos();
1457                 break;
1458
1459         case LFUN_FINISHED_UP:
1460                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1461                 cursorUp(cur);
1462                 break;
1463
1464         case LFUN_FINISHED_DOWN:
1465                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1466                 cursorDown(cur);
1467                 break;
1468
1469         case LFUN_LAYOUT_PARAGRAPH: {
1470                 string data;
1471                 params2string(cur.paragraph(), data);
1472                 data = "show\n" + data;
1473                 bv->owner()->getDialogs().show("paragraph", data);
1474                 break;
1475         }
1476
1477         case LFUN_PARAGRAPH_UPDATE: {
1478                 if (!bv->owner()->getDialogs().visible("paragraph"))
1479                         break;
1480                 string data;
1481                 params2string(cur.paragraph(), data);
1482
1483                 // Will the paragraph accept changes from the dialog?
1484                 InsetBase & inset = cur.inset();
1485                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1486
1487                 data = "update " + convert<string>(accept) + '\n' + data;
1488                 bv->owner()->getDialogs().update("paragraph", data);
1489                 break;
1490         }
1491
1492         case LFUN_UMLAUT:
1493         case LFUN_CIRCUMFLEX:
1494         case LFUN_GRAVE:
1495         case LFUN_ACUTE:
1496         case LFUN_TILDE:
1497         case LFUN_CEDILLA:
1498         case LFUN_MACRON:
1499         case LFUN_DOT:
1500         case LFUN_UNDERDOT:
1501         case LFUN_UNDERBAR:
1502         case LFUN_CARON:
1503         case LFUN_SPECIAL_CARON:
1504         case LFUN_BREVE:
1505         case LFUN_TIE:
1506         case LFUN_HUNG_UMLAUT:
1507         case LFUN_CIRCLE:
1508         case LFUN_OGONEK:
1509                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1510                 if (!cmd.argument.empty())
1511                         bv->owner()->getIntl().getTransManager()
1512                                 .TranslateAndInsert(cmd.argument[0], this);
1513                 break;
1514
1515         case LFUN_FLOAT_LIST: {
1516                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1517                 if (tclass.floats().typeExist(cmd.argument)) {
1518                         // not quite sure if we want this...
1519                         recordUndo(cur);
1520                         cur.clearSelection();
1521                         breakParagraph(cur);
1522
1523                         if (cur.lastpos() != 0) {
1524                                 cursorLeft(cur);
1525                                 breakParagraph(cur);
1526                         }
1527
1528                         setLayout(cur, tclass.defaultLayoutName());
1529                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1530                         insertInset(cur, new InsetFloatList(cmd.argument));
1531                         cur.posRight();
1532                 } else {
1533                         lyxerr << "Non-existent float type: "
1534                                << cmd.argument << endl;
1535                 }
1536                 break;
1537         }
1538
1539         case LFUN_ACCEPT_CHANGE: {
1540                 acceptChange(cur);
1541                 break;
1542         }
1543
1544         case LFUN_REJECT_CHANGE: {
1545                 rejectChange(cur);
1546                 break;
1547         }
1548
1549         case LFUN_THESAURUS_ENTRY: {
1550                 string arg = cmd.argument;
1551                 if (arg.empty()) {
1552                         arg = cur.selectionAsString(false);
1553                         // FIXME
1554                         if (arg.size() > 100 || arg.empty()) {
1555                                 // Get word or selection
1556                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1557                                 arg = cur.selectionAsString(false);
1558                         }
1559                 }
1560                 bv->owner()->getDialogs().show("thesaurus", arg);
1561                 break;
1562         }
1563
1564         case LFUN_PARAGRAPH_APPLY: {
1565                 // Given data, an encoding of the ParagraphParameters
1566                 // generated in the Paragraph dialog, this function sets
1567                 // the current paragraph appropriately.
1568                 istringstream is(cmd.argument);
1569                 LyXLex lex(0, 0);
1570                 lex.setStream(is);
1571                 ParagraphParameters params;
1572                 params.read(lex);
1573                 setParagraph(cur,
1574                                          params.spacing(),
1575                                          params.align(),
1576                                          params.labelWidthString(),
1577                                          params.noindent());
1578                 cur.message(_("Paragraph layout set"));
1579                 break;
1580         }
1581
1582         case LFUN_INSET_DIALOG_SHOW: {
1583                 InsetBase * inset = cur.nextInset();
1584                 if (inset) {
1585                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1586                         inset->dispatch(cur, fr);
1587                 }
1588                 break;
1589         }
1590
1591         case LFUN_ESCAPE:
1592                 if (cur.selection()) {
1593                         cur.selection() = false;
1594                 } else {
1595                         cur.undispatched();
1596                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
1597                 }
1598                 break;
1599
1600         default:
1601                 cur.undispatched();
1602                 break;
1603         }
1604
1605         // avoid to update when navigating
1606         if (moving
1607             && &sl.inset() == &cur.inset()
1608             && sl.idx() == cur.idx()
1609             && sel == false
1610             && cur.selection() == false)
1611                 cur.noUpdate();
1612 }
1613
1614
1615 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1616                         FuncStatus & flag) const
1617 {
1618         BOOST_ASSERT(cur.text() == this);
1619         LyXFont const & font = real_current_font;
1620         bool enable = true;
1621
1622         switch (cmd.action) {
1623
1624         case LFUN_DEPTH_MIN:
1625                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1626                 break;
1627
1628         case LFUN_DEPTH_PLUS:
1629                 enable = changeDepthAllowed(cur, INC_DEPTH);
1630                 break;
1631
1632         case LFUN_INSET_OPTARG:
1633                 enable = numberOfOptArgs(cur.paragraph())
1634                         < cur.paragraph().layout()->optionalargs;
1635                 break;
1636
1637         case LFUN_APPENDIX:
1638                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1639                 break;
1640
1641 #if 0
1642         // the functions which insert insets
1643         InsetBase::Code code = InsetBase::NO_CODE;
1644         switch (cmd.action) {
1645         case LFUN_DIALOG_SHOW_NEW_INSET:
1646                 if (cmd.argument == "bibitem")
1647                         code = InsetBase::BIBITEM_CODE;
1648                 else if (cmd.argument == "bibtex")
1649                         code = InsetBase::BIBTEX_CODE;
1650                 else if (cmd.argument == "box")
1651                         code = InsetBase::BOX_CODE;
1652                 else if (cmd.argument == "branch")
1653                         code = InsetBase::BRANCH_CODE;
1654                 else if (cmd.argument == "citation")
1655                         code = InsetBase::CITE_CODE;
1656                 else if (cmd.argument == "ert")
1657                         code = InsetBase::ERT_CODE;
1658                 else if (cmd.argument == "external")
1659                         code = InsetBase::EXTERNAL_CODE;
1660                 else if (cmd.argument == "float")
1661                         code = InsetBase::FLOAT_CODE;
1662                 else if (cmd.argument == "graphics")
1663                         code = InsetBase::GRAPHICS_CODE;
1664                 else if (cmd.argument == "include")
1665                         code = InsetBase::INCLUDE_CODE;
1666                 else if (cmd.argument == "index")
1667                         code = InsetBase::INDEX_CODE;
1668                 else if (cmd.argument == "label")
1669                         code = InsetBase::LABEL_CODE;
1670                 else if (cmd.argument == "note")
1671                         code = InsetBase::NOTE_CODE;
1672                 else if (cmd.argument == "ref")
1673                         code = InsetBase::REF_CODE;
1674                 else if (cmd.argument == "toc")
1675                         code = InsetBase::TOC_CODE;
1676                 else if (cmd.argument == "url")
1677                         code = InsetBase::URL_CODE;
1678                 else if (cmd.argument == "vspace")
1679                         code = InsetBase::VSPACE_CODE;
1680                 else if (cmd.argument == "wrap")
1681                         code = InsetBase::WRAP_CODE;
1682                 break;
1683
1684         case LFUN_INSET_ERT:
1685                 code = InsetBase::ERT_CODE;
1686                 break;
1687         case LFUN_INSET_FOOTNOTE:
1688                 code = InsetBase::FOOT_CODE;
1689                 break;
1690         case LFUN_TABULAR_INSERT:
1691                 code = InsetBase::TABULAR_CODE;
1692                 break;
1693         case LFUN_INSET_MARGINAL:
1694                 code = InsetBase::MARGIN_CODE;
1695                 break;
1696         case LFUN_INSET_FLOAT:
1697         case LFUN_INSET_WIDE_FLOAT:
1698                 code = InsetBase::FLOAT_CODE;
1699                 break;
1700         case LFUN_INSET_WRAP:
1701                 code = InsetBase::WRAP_CODE;
1702                 break;
1703         case LFUN_FLOAT_LIST:
1704                 code = InsetBase::FLOAT_LIST_CODE;
1705                 break;
1706 #if 0
1707         case LFUN_INSET_LIST:
1708                 code = InsetBase::LIST_CODE;
1709                 break;
1710         case LFUN_INSET_THEOREM:
1711                 code = InsetBase::THEOREM_CODE;
1712                 break;
1713 #endif
1714         case LFUN_INSET_CAPTION:
1715                 code = InsetBase::CAPTION_CODE;
1716                 break;
1717         case LFUN_INSERT_NOTE:
1718                 code = InsetBase::NOTE_CODE;
1719                 break;
1720         case LFUN_INSERT_CHARSTYLE:
1721                 code = InsetBase::CHARSTYLE_CODE;
1722                 if (buf->params().getLyXTextClass().charstyles().empty())
1723                         enable = false;
1724                 break;
1725         case LFUN_INSERT_BOX:
1726                 code = InsetBase::BOX_CODE;
1727                 break;
1728         case LFUN_INSERT_BRANCH:
1729                 code = InsetBase::BRANCH_CODE;
1730                 if (buf->params().branchlist().empty())
1731                         enable = false;
1732                 break;
1733         case LFUN_INSERT_LABEL:
1734                 code = InsetBase::LABEL_CODE;
1735                 break;
1736         case LFUN_INSET_OPTARG:
1737                 code = InsetBase::OPTARG_CODE;
1738                 break;
1739         case LFUN_ENVIRONMENT_INSERT:
1740                 code = InsetBase::BOX_CODE;
1741                 break;
1742         case LFUN_INDEX_INSERT:
1743                 code = InsetBase::INDEX_CODE;
1744                 break;
1745         case LFUN_INDEX_PRINT:
1746                 code = InsetBase::INDEX_PRINT_CODE;
1747                 break;
1748         case LFUN_TOC_INSERT:
1749                 code = InsetBase::TOC_CODE;
1750                 break;
1751         case LFUN_HTMLURL:
1752         case LFUN_URL:
1753                 code = InsetBase::URL_CODE;
1754                 break;
1755         case LFUN_QUOTE:
1756                 // always allow this, since we will inset a raw quote
1757                 // if an inset is not allowed.
1758                 break;
1759         case LFUN_HYPHENATION:
1760         case LFUN_LIGATURE_BREAK:
1761         case LFUN_HFILL:
1762         case LFUN_MENU_SEPARATOR:
1763         case LFUN_LDOTS:
1764         case LFUN_END_OF_SENTENCE:
1765                 code = InsetBase::SPECIALCHAR_CODE;
1766                 break;
1767         case LFUN_SPACE_INSERT:
1768                 // slight hack: we know this is allowed in math mode
1769                 if (cur.inTexted())
1770                         code = InsetBase::SPACE_CODE;
1771                 break;
1772         case LFUN_INSET_DIALOG_SHOW: {
1773                 InsetBase * inset = cur.nextInset();
1774                 enable = inset;
1775                 if (inset) {
1776                         code = inset->lyxCode();
1777                         if (!(code == InsetBase::INCLUDE_CODE
1778                                 || code == InsetBase::BIBTEX_CODE
1779                                 || code == InsetBase::FLOAT_LIST_CODE
1780                                 || code == InsetBase::TOC_CODE))
1781                                 enable = false;
1782                 }
1783                 break;
1784         }
1785         default:
1786                 break;
1787         }
1788
1789         if (code != InsetBase::NO_CODE
1790                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1791                 enable = false;
1792
1793 #endif
1794
1795         case LFUN_DIALOG_SHOW_NEW_INSET:
1796         case LFUN_INSET_ERT:
1797         case LFUN_INSERT_BOX:
1798         case LFUN_INSERT_BRANCH:
1799         case LFUN_ENVIRONMENT_INSERT:
1800         case LFUN_INDEX_INSERT:
1801         case LFUN_INDEX_PRINT:
1802         case LFUN_TOC_INSERT:
1803         case LFUN_HTMLURL:
1804         case LFUN_URL:
1805         case LFUN_QUOTE:
1806         case LFUN_HYPHENATION:
1807         case LFUN_LIGATURE_BREAK:
1808         case LFUN_HFILL:
1809         case LFUN_MENU_SEPARATOR:
1810         case LFUN_LDOTS:
1811         case LFUN_END_OF_SENTENCE:
1812         case LFUN_SPACE_INSERT:
1813         case LFUN_INSET_DIALOG_SHOW:
1814                 break;
1815
1816         case LFUN_EMPH:
1817                 flag.setOnOff(font.emph() == LyXFont::ON);
1818                 break;
1819
1820         case LFUN_NOUN:
1821                 flag.setOnOff(font.noun() == LyXFont::ON);
1822                 break;
1823
1824         case LFUN_BOLD:
1825                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1826                 break;
1827
1828         case LFUN_SANS:
1829                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1830                 break;
1831
1832         case LFUN_ROMAN:
1833                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1834                 break;
1835
1836         case LFUN_CODE:
1837                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1838                 break;
1839
1840         case LFUN_DELETE_WORD_FORWARD:
1841         case LFUN_DELETE_WORD_BACKWARD:
1842         case LFUN_DELETE_LINE_FORWARD:
1843         case LFUN_WORDRIGHT:
1844         case LFUN_WORDLEFT:
1845         case LFUN_RIGHT:
1846         case LFUN_RIGHTSEL:
1847         case LFUN_LEFT:
1848         case LFUN_LEFTSEL:
1849         case LFUN_UP:
1850         case LFUN_UPSEL:
1851         case LFUN_DOWN:
1852         case LFUN_DOWNSEL:
1853         case LFUN_UP_PARAGRAPHSEL:
1854         case LFUN_DOWN_PARAGRAPHSEL:
1855         case LFUN_PRIORSEL:
1856         case LFUN_NEXTSEL:
1857         case LFUN_HOMESEL:
1858         case LFUN_ENDSEL:
1859         case LFUN_WORDRIGHTSEL:
1860         case LFUN_WORDLEFTSEL:
1861         case LFUN_WORDSEL:
1862         case LFUN_UP_PARAGRAPH:
1863         case LFUN_DOWN_PARAGRAPH:
1864         case LFUN_PRIOR:
1865         case LFUN_NEXT:
1866         case LFUN_HOME:
1867         case LFUN_END:
1868         case LFUN_BREAKLINE:
1869         case LFUN_DELETE:
1870         case LFUN_DELETE_SKIP:
1871         case LFUN_BACKSPACE:
1872         case LFUN_BACKSPACE_SKIP:
1873         case LFUN_BREAKPARAGRAPH:
1874         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1875         case LFUN_BREAKPARAGRAPH_SKIP:
1876         case LFUN_PARAGRAPH_SPACING:
1877         case LFUN_INSET_APPLY:
1878         case LFUN_INSET_INSERT:
1879         case LFUN_NEXT_INSET_TOGGLE:
1880         case LFUN_UPCASE_WORD:
1881         case LFUN_LOWCASE_WORD:
1882         case LFUN_CAPITALIZE_WORD:
1883         case LFUN_TRANSPOSE_CHARS:
1884         case LFUN_PASTE:
1885         case LFUN_CUT:
1886         case LFUN_COPY:
1887         case LFUN_GETXY:
1888         case LFUN_SETXY:
1889         case LFUN_GETFONT:
1890         case LFUN_GETLAYOUT:
1891         case LFUN_LAYOUT:
1892         case LFUN_PASTESELECTION:
1893         case LFUN_GOTOERROR:
1894         case LFUN_GOTONOTE:
1895         case LFUN_REFERENCE_GOTO:
1896         case LFUN_DATE_INSERT:
1897         case LFUN_SELFINSERT:
1898         case LFUN_INSERT_LABEL:
1899         case LFUN_INSERT_NOTE:
1900         case LFUN_INSERT_CHARSTYLE:
1901         case LFUN_INSERT_BIBITEM:
1902         case LFUN_INSET_FLOAT:
1903         case LFUN_INSET_FOOTNOTE:
1904         case LFUN_INSET_MARGINAL:
1905         case LFUN_INSET_WIDE_FLOAT:
1906         case LFUN_INSET_WRAP:
1907         case LFUN_TABULAR_INSERT:
1908         case LFUN_INSERT_LINE:
1909         case LFUN_INSERT_PAGEBREAK:
1910         case LFUN_MATH_DISPLAY:
1911         case LFUN_MATH_IMPORT_SELECTION:
1912         case LFUN_MATH_MODE:
1913         case LFUN_MATH_MACRO:
1914         case LFUN_INSERT_MATH:
1915         case LFUN_INSERT_MATRIX:
1916         case LFUN_MATH_DELIM:
1917         case LFUN_SUBSCRIPT:
1918         case LFUN_SUPERSCRIPT:
1919         case LFUN_DEFAULT:
1920         case LFUN_UNDERLINE:
1921         case LFUN_FONT_SIZE:
1922         case LFUN_LANGUAGE:
1923         case LFUN_FREEFONT_APPLY:
1924         case LFUN_FREEFONT_UPDATE:
1925         case LFUN_LAYOUT_PARAGRAPH:
1926         case LFUN_PARAGRAPH_UPDATE:
1927         case LFUN_UMLAUT:
1928         case LFUN_CIRCUMFLEX:
1929         case LFUN_GRAVE:
1930         case LFUN_ACUTE:
1931         case LFUN_TILDE:
1932         case LFUN_CEDILLA:
1933         case LFUN_MACRON:
1934         case LFUN_DOT:
1935         case LFUN_UNDERDOT:
1936         case LFUN_UNDERBAR:
1937         case LFUN_CARON:
1938         case LFUN_SPECIAL_CARON:
1939         case LFUN_BREVE:
1940         case LFUN_TIE:
1941         case LFUN_HUNG_UMLAUT:
1942         case LFUN_CIRCLE:
1943         case LFUN_OGONEK:
1944         case LFUN_FLOAT_LIST:
1945         case LFUN_ACCEPT_CHANGE:
1946         case LFUN_REJECT_CHANGE:
1947         case LFUN_THESAURUS_ENTRY:
1948         case LFUN_PARAGRAPH_APPLY:
1949         case LFUN_ESCAPE:
1950         case LFUN_KEYMAP_TOGGLE:
1951         case LFUN_ENDBUF:
1952         case LFUN_BEGINNINGBUF:
1953         case LFUN_BEGINNINGBUFSEL:
1954         case LFUN_ENDBUFSEL:
1955                 // these are handled in our dispatch()
1956                 enable = true;
1957                 break;
1958
1959         default:
1960                 return false;
1961         }
1962         flag.enabled(enable);
1963         return true;
1964 }