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 "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "dispatchresult.h"
  32 #include "factory.h"
  33 #include "funcrequest.h"
  34 #include "gettext.h"
  35 #include "intl.h"
  36 #include "language.h"
  37 #include "LyXAction.h"
  38 #include "lyxfunc.h"
  39 #include "lyxlex.h"
  40 #include "lyxrc.h"
  41 #include "lyxrow.h"
  42 #include "paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "undo.h"
  46 #include "vspace.h"
  47 #include "pariterator.h"
  48
  49 #include "frontends/Dialogs.h"
  50 #include "frontends/LyXView.h"
  51
  52 #include "insets/insetcommand.h"
  53 #include "insets/insetfloatlist.h"
  54 #include "insets/insetnewline.h"
  55 #include "insets/insetquotes.h"
  56 #include "insets/insetspecialchar.h"
  57 #include "insets/insettext.h"
  58
  59 #include "support/lstrings.h"
  60 #include "support/lyxlib.h"
  61 #include "support/convert.h"
  62 #include "support/lyxtime.h"
  63
  64 #include "mathed/math_hullinset.h"
  65 #include "mathed/math_macrotemplate.h"
  66
  67 #include <boost/current_function.hpp>
  68
  69 #include <clocale>
  70 #include <sstream>
  71
  72 using lyx::pos_type;
  73
  74 using lyx::cap::copySelection;
  75 using lyx::cap::cutSelection;
  76 using lyx::cap::pasteSelection;
  77 using lyx::cap::replaceSelection;
  78
  79 using lyx::support::isStrUnsignedInt;
  80 using lyx::support::token;
  81
  82 using std::endl;
  83 using std::string;
  84 using std::istringstream;
  85 using std::ostringstream;
  86
  87
  88 extern string current_layout;
  89
  90
  91 namespace {
  92
  93         // globals...
  94         LyXFont freefont(LyXFont::ALL_IGNORE);
  95         bool toggleall = false;
  96
  97
  98         void toggleAndShow(LCursor & cur, LyXText * text,
  99                 LyXFont const & font, bool toggleall = true)
 100         {
 101                 text->toggleFree(cur, font, toggleall);
 102
 103                 if (font.language() != ignore_language ||
 104                                 font.number() != LyXFont::IGNORE) {
 105                         Paragraph & par = cur.paragraph();
 106                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 107                         if (cur.boundary() !=
 108                                         text->bidi.isBoundary(cur.buffer(), par,
 109                                                         cur.pos(),
 110                                                         text->real_current_font))
 111                                 text->setCursor(cur, cur.pit(), cur.pos(),
 112                                                 false, !cur.boundary());
 113                 }
 114         }
 115
 116
 117         void moveCursor(LCursor & cur, bool selecting)
 118         {
 119                 if (selecting || cur.mark())
 120                         cur.setSelection();
 121                 if (!cur.selection())
 122                         cur.bv().haveSelection(false);
 123                 cur.bv().switchKeyMap();
 124         }
 125
 126
 127         void finishChange(LCursor & cur, bool selecting)
 128         {
 129                 finishUndo();
 130                 moveCursor(cur, selecting);
 131         }
 132
 133
 134         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 135         {
 136                 recordUndo(cur);
 137                 string sel = cur.selectionAsString(false);
 138                 //lyxerr << "selection is: '" << sel << "'" << endl;
 139
 140                 // It may happen that sel is empty but there is a selection
 141                 replaceSelection(cur);
 142
 143                 if (sel.empty()) {
 144                         const int old_pos = cur.pos();
 145                         cur.insert(new MathHullInset("simple"));
 146                         BOOST_ASSERT(old_pos == cur.pos());
 147                         cur.nextInset()->edit(cur, true);
 148                         // don't do that also for LFUN_MATH_MODE
 149                         // unless you want end up with always changing
 150                         // to mathrm when opening an inlined inset --
 151                         // I really hate "LyXfunc overloading"...
 152                         if (display)
 153                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 154                         // Avoid an unnecessary undo step if cmd.argument
 155                         // is empty
 156                         if (!cmd.argument.empty())
 157                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH,
 158                                                          cmd.argument));
 159                 } else {
 160                         // create a macro if we see "\\newcommand"
 161                         // somewhere, and an ordinary formula
 162                         // otherwise
 163                         istringstream is(sel);
 164                         if (sel.find("\\newcommand") == string::npos
 165                             && sel.find("\\def") == string::npos)
 166                         {
 167                                 MathHullInset * formula = new MathHullInset;
 168                                 LyXLex lex(0, 0);
 169                                 lex.setStream(is);
 170                                 formula->read(cur.buffer(), lex);
 171                                 if (formula->getType() == "none")
 172                                         // Don't create pseudo formulas if
 173                                         // delimiters are left out
 174                                         formula->mutate("simple");
 175                                 cur.insert(formula);
 176                         } else
 177                                 cur.insert(new MathMacroTemplate(is));
 178                 }
 179                 cur.message(N_("Math editor mode"));
 180         }
 181
 182 } // namespace anon
 183
 184
 185
 186 namespace bv_funcs {
 187
 188 string const freefont2string()
 189 {
 190         string data;
 191         if (font2string(freefont, toggleall, data))
 192                 return data;
 193         return string();
 194 }
 195
 196 }
 197
 198 bool LyXText::cursorPrevious(LCursor & cur)
 199 {
 200         pos_type cpos = cur.pos();
 201         lyx::pit_type cpar = cur.pit();
 202
 203         int x = cur.x_target();
 204
 205         bool updated = setCursorFromCoordinates(cur, x, 0);
 206         if (updated)
 207                 cur.bv().update();
 208         updated |= cursorUp(cur);
 209
 210         if (cpar == cur.pit() && cpos == cur.pos()) {
 211                 // we have a row which is taller than the workarea. The
 212                 // simplest solution is to move to the previous row instead.
 213                 updated |= cursorUp(cur);
 214         }
 215
 216         cur.bv().updateScrollbar();
 217         finishUndo();
 218         return updated;
 219 }
 220
 221
 222 bool LyXText::cursorNext(LCursor & cur)
 223 {
 224         pos_type cpos = cur.pos();
 225         lyx::pit_type cpar = cur.pit();
 226
 227         int x = cur.x_target();
 228         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 229         if (updated)
 230                 cur.bv().update();
 231         updated |= cursorDown(cur);
 232
 233         if (cpar == cur.pit() && cpos == cur.pos()) {
 234                 // we have a row which is taller than the workarea. The
 235                 // simplest solution is to move to the next row instead.
 236                 updated |= cursorDown(cur);
 237         }
 238
 239         cur.bv().updateScrollbar();
 240         finishUndo();
 241         return updated;
 242 }
 243
 244
 245 namespace {
 246
 247 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 248 {
 249         lyx::cap::replaceSelection(cur);
 250         cur.insert(new InsetSpecialChar(kind));
 251         cur.posRight();
 252 }
 253
 254
 255 bool doInsertInset(LCursor & cur, LyXText * text,
 256         FuncRequest const & cmd, bool edit, bool pastesel)
 257 {
 258         InsetBase * inset = createInset(&cur.bv(), cmd);
 259         if (!inset)
 260                 return false;
 261
 262         recordUndo(cur);
 263         bool gotsel = false;
 264         if (cur.selection()) {
 265                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 266                 gotsel = true;
 267         }
 268         text->insertInset(cur, inset);
 269
 270         if (edit)
 271                 inset->edit(cur, true);
 272
 273         if (gotsel && pastesel)
 274                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 275         return true;
 276 }
 277
 278
 279 void update(LCursor & cur)
 280 {
 281         //we don't call update(true, false) directly to save a metrics call
 282         if (cur.bv().fitCursor())
 283                 cur.bv().update(Update::Force);
 284 }
 285
 286
 287 } // anon namespace
 288
 289
 290 void LyXText::number(LCursor & cur)
 291 {
 292         LyXFont font(LyXFont::ALL_IGNORE);
 293         font.setNumber(LyXFont::TOGGLE);
 294         toggleAndShow(cur, this, font);
 295 }
 296
 297
 298 bool LyXText::isRTL(Paragraph const & par) const
 299 {
 300         return par.isRightToLeftPar(bv()->buffer()->params());
 301 }
 302
 303
 304 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 305 {
 306         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 307
 308         BOOST_ASSERT(cur.text() == this);
 309         BufferView * bv = &cur.bv();
 310         CursorSlice oldTopSlice = cur.top();
 311         bool oldBoundary = cur.boundary();
 312         bool sel = cur.selection();
 313         // Signals that, even if needsUpdate == false, an update of the
 314         // cursor paragraph is required
 315         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 316                 LyXAction::SingleParUpdate);
 317         // Signals that a full-screen update is required
 318         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 319                 LyXAction::NoUpdate) || singleParUpdate);
 320         // Remember the old paragraph metric (_outer_ paragraph!)
 321         Dimension olddim = cur.bottom().paragraph().dim();
 322
 323         switch (cmd.action) {
 324
 325         case LFUN_PARAGRAPH_MOVE_DOWN: {
 326                 pit_type const pit = cur.pit();
 327                 recUndo(pit, pit + 1);
 328                 finishUndo();
 329                 std::swap(pars_[pit], pars_[pit + 1]);
 330
 331                 ParIterator begin(cur);
 332                 ++cur.pit();
 333                 ParIterator end = boost::next(cur);
 334                 updateLabels(cur.buffer(), begin, end);
 335
 336                 needsUpdate = true;
 337                 break;
 338         }
 339
 340         case LFUN_PARAGRAPH_MOVE_UP: {
 341                 pit_type const pit = cur.pit();
 342                 recUndo(pit - 1, pit);
 343                 finishUndo();
 344                 std::swap(pars_[pit], pars_[pit - 1]);
 345
 346                 ParIterator end = boost::next(cur);
 347                 --cur.pit();
 348                 ParIterator begin(cur);
 349                 updateLabels(cur.buffer(), begin, end);
 350
 351                 needsUpdate = true;
 352                 break;
 353         }
 354
 355         case LFUN_APPENDIX: {
 356                 Paragraph & par = cur.paragraph();
 357                 bool start = !par.params().startOfAppendix();
 358
 359 #ifdef WITH_WARNINGS
 360 #warning The code below only makes sense at top level.
 361 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 362 #endif
 363                 // ensure that we have only one start_of_appendix in this document
 364                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 365                         if (pars_[tmp].params().startOfAppendix()) {
 366                                 recUndo(tmp);
 367                                 pars_[tmp].params().startOfAppendix(false);
 368                                 break;
 369                         }
 370                 }
 371
 372                 recordUndo(cur);
 373                 par.params().startOfAppendix(start);
 374
 375                 // we can set the refreshing parameters now
 376                 updateLabels(cur.buffer());
 377                 break;
 378         }
 379
 380         case LFUN_DELETE_WORD_FORWARD:
 381                 cur.clearSelection();
 382                 deleteWordForward(cur);
 383                 finishChange(cur, false);
 384                 break;
 385
 386         case LFUN_DELETE_WORD_BACKWARD:
 387                 cur.clearSelection();
 388                 deleteWordBackward(cur);
 389                 finishChange(cur, false);
 390                 break;
 391
 392         case LFUN_DELETE_LINE_FORWARD:
 393                 cur.clearSelection();
 394                 deleteLineForward(cur);
 395                 finishChange(cur, false);
 396                 break;
 397
 398         case LFUN_WORDRIGHT:
 399                 if (!cur.mark())
 400                         cur.clearSelection();
 401                 if (isRTL(cur.paragraph()))
 402                         needsUpdate = cursorLeftOneWord(cur);
 403                 else
 404                         needsUpdate = cursorRightOneWord(cur);
 405                 finishChange(cur, false);
 406                 break;
 407
 408         case LFUN_WORDLEFT:
 409                 if (!cur.mark())
 410                         cur.clearSelection();
 411                 if (isRTL(cur.paragraph()))
 412                         needsUpdate = cursorRightOneWord(cur);
 413                 else
 414                         needsUpdate = cursorLeftOneWord(cur);
 415                 finishChange(cur, false);
 416                 break;
 417
 418         case LFUN_BEGINNINGBUF:
 419                 if (cur.depth() == 1) {
 420                         if (!cur.mark())
 421                                 cur.clearSelection();
 422                         needsUpdate = cursorTop(cur);
 423                         finishChange(cur, false);
 424                 } else {
 425                         cur.undispatched();
 426                 }
 427                 break;
 428
 429         case LFUN_BEGINNINGBUFSEL:
 430                 if (cur.depth() == 1) {
 431                         if (!cur.selection())
 432                                 cur.resetAnchor();
 433                         needsUpdate = cursorTop(cur);
 434                         finishChange(cur, true);
 435                 } else {
 436                         cur.undispatched();
 437                 }
 438                 break;
 439
 440         case LFUN_ENDBUF:
 441                 if (cur.depth() == 1) {
 442                         if (!cur.mark())
 443                                 cur.clearSelection();
 444                         needsUpdate = cursorBottom(cur);
 445                         finishChange(cur, false);
 446                 } else {
 447                         cur.undispatched();
 448                 }
 449                 break;
 450
 451         case LFUN_ENDBUFSEL:
 452                 if (cur.depth() == 1) {
 453                         if (!cur.selection())
 454                                 cur.resetAnchor();
 455                         needsUpdate = cursorBottom(cur);
 456                         finishChange(cur, true);
 457                 } else {
 458                         cur.undispatched();
 459                 }
 460                 break;
 461
 462         case LFUN_RIGHT:
 463         case LFUN_RIGHTSEL:
 464                 //lyxerr << BOOST_CURRENT_FUNCTION
 465                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 466                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 467                 if (isRTL(cur.paragraph()))
 468                         needsUpdate = cursorLeft(cur);
 469                 else
 470                         needsUpdate = cursorRight(cur);
 471
 472                 if (!needsUpdate && oldTopSlice == cur.top()
 473                                 && cur.boundary() == oldBoundary) {
 474                         cur.undispatched();
 475                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 476                 }
 477                 break;
 478
 479         case LFUN_LEFT:
 480         case LFUN_LEFTSEL:
 481                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 482                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 483                 if (isRTL(cur.paragraph()))
 484                         needsUpdate = cursorRight(cur);
 485                 else
 486                         needsUpdate = cursorLeft(cur);
 487
 488                 if (!needsUpdate && oldTopSlice == cur.top()
 489                         && cur.boundary() == oldBoundary) {
 490                         cur.undispatched();
 491                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 492                 }
 493                 break;
 494
 495         case LFUN_UP:
 496         case LFUN_UPSEL:
 497                 update(cur);
 498                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 499                 cur.selHandle(cmd.action == LFUN_UPSEL);
 500
 501                 needsUpdate = cursorUp(cur);
 502                 if (!needsUpdate && oldTopSlice == cur.top()
 503                           && cur.boundary() == oldBoundary) {
 504                         cur.undispatched();
 505                         cmd = FuncRequest(LFUN_FINISHED_UP);
 506                 }
 507                 break;
 508
 509         case LFUN_DOWN:
 510         case LFUN_DOWNSEL:
 511                 update(cur);
 512                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 513                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 514                 needsUpdate = cursorDown(cur);
 515                 if (!needsUpdate && oldTopSlice == cur.top() &&
 516                     cur.boundary() == oldBoundary)
 517                 {
 518                         cur.undispatched();
 519                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 520                 }
 521                 break;
 522
 523         case LFUN_UP_PARAGRAPH:
 524                 if (!cur.mark())
 525                         cur.clearSelection();
 526                 needsUpdate = cursorUpParagraph(cur);
 527                 finishChange(cur, false);
 528                 break;
 529
 530         case LFUN_UP_PARAGRAPHSEL:
 531                 if (!cur.selection())
 532                         cur.resetAnchor();
 533                 cursorUpParagraph(cur);
 534                 finishChange(cur, true);
 535                 break;
 536
 537         case LFUN_DOWN_PARAGRAPH:
 538                 if (!cur.mark())
 539                         cur.clearSelection();
 540                 needsUpdate = cursorDownParagraph(cur);
 541                 finishChange(cur, false);
 542                 break;
 543
 544         case LFUN_DOWN_PARAGRAPHSEL:
 545                 if (!cur.selection())
 546                         cur.resetAnchor();
 547                 cursorDownParagraph(cur);
 548                 finishChange(cur, true);
 549                 break;
 550
 551         case LFUN_PRIORSEL:
 552                 update(cur);
 553                 if (!cur.selection())
 554                         cur.resetAnchor();
 555                 needsUpdate = cursorPrevious(cur);
 556                 finishChange(cur, true);
 557                 break;
 558
 559         case LFUN_NEXTSEL:
 560                 update(cur);
 561                 if (!cur.selection())
 562                         cur.resetAnchor();
 563                 needsUpdate = cursorNext(cur);
 564                 finishChange(cur, true);
 565                 break;
 566
 567         case LFUN_HOMESEL:
 568                 update(cur);
 569                 if (!cur.selection())
 570                         cur.resetAnchor();
 571                 needsUpdate = cursorHome(cur);
 572                 finishChange(cur, true);
 573                 break;
 574
 575         case LFUN_ENDSEL:
 576                 update(cur);
 577                 if (!cur.selection())
 578                         cur.resetAnchor();
 579                 needsUpdate = cursorEnd(cur);
 580                 finishChange(cur, true);
 581                 break;
 582
 583         case LFUN_WORDRIGHTSEL:
 584                 if (!cur.selection())
 585                         cur.resetAnchor();
 586                 if (isRTL(cur.paragraph()))
 587                         cursorLeftOneWord(cur);
 588                 else
 589                         cursorRightOneWord(cur);
 590                 finishChange(cur, true);
 591                 break;
 592
 593         case LFUN_WORDLEFTSEL:
 594                 if (!cur.selection())
 595                         cur.resetAnchor();
 596                 if (isRTL(cur.paragraph()))
 597                         cursorRightOneWord(cur);
 598                 else
 599                         cursorLeftOneWord(cur);
 600                 finishChange(cur, true);
 601                 break;
 602
 603         case LFUN_WORDSEL: {
 604                 selectWord(cur, lyx::WHOLE_WORD);
 605                 finishChange(cur, true);
 606                 break;
 607         }
 608
 609         case LFUN_PRIOR:
 610                 update(cur);
 611                 if (!cur.mark())
 612                         cur.clearSelection();
 613                 finishChange(cur, false);
 614                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 615                         cur.undispatched();
 616                         cmd = FuncRequest(LFUN_FINISHED_UP);
 617                 } else {
 618                         needsUpdate = cursorPrevious(cur);
 619                 }
 620                 break;
 621
 622         case LFUN_NEXT:
 623                 update(cur);
 624                 if (!cur.mark())
 625                         cur.clearSelection();
 626                 finishChange(cur, false);
 627                 if (cur.pit() == cur.lastpit()
 628                           && cur.textRow().endpos() == cur.lastpos()) {
 629                         cur.undispatched();
 630                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 631                 } else {
 632                         needsUpdate = cursorNext(cur);
 633                 }
 634                 break;
 635
 636         case LFUN_HOME:
 637                 if (!cur.mark())
 638                         cur.clearSelection();
 639                 needsUpdate = cursorHome(cur);
 640                 finishChange(cur, false);
 641                 break;
 642
 643         case LFUN_END:
 644                 if (!cur.mark())
 645                         cur.clearSelection();
 646                 needsUpdate = cursorEnd(cur);
 647                 finishChange(cur, false);
 648                 break;
 649
 650         case LFUN_BREAKLINE: {
 651                 // Not allowed by LaTeX (labels or empty par)
 652                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 653                         lyx::cap::replaceSelection(cur);
 654                         cur.insert(new InsetNewline);
 655                         cur.posRight();
 656                         moveCursor(cur, false);
 657                 }
 658                 break;
 659         }
 660
 661         case LFUN_DELETE:
 662                 if (!cur.selection()) {
 663                         if (cur.pos() == cur.paragraph().size())
 664                                 // Par boundary, force full-screen update
 665                                 singleParUpdate = false;
 666                         needsUpdate = erase(cur);
 667                         cur.resetAnchor();
 668                         // It is possible to make it a lot faster still
 669                         // just comment out the line below...
 670                 } else {
 671                         cutSelection(cur, true, false);
 672                         singleParUpdate = false;
 673                 }
 674                 moveCursor(cur, false);
 675                 break;
 676
 677         case LFUN_DELETE_SKIP:
 678                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 679                 if (!cur.selection()) {
 680                         if (cur.pos() == cur.lastpos()) {
 681                                 cursorRight(cur);
 682                                 cursorLeft(cur);
 683                         }
 684                         erase(cur);
 685                         cur.resetAnchor();
 686                 } else {
 687                         cutSelection(cur, true, false);
 688                 }
 689                 break;
 690
 691
 692         case LFUN_BACKSPACE:
 693                 if (!cur.selection()) {
 694                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 695                                 // Par boundary, full-screen update
 696                                 if (cur.pos() == 0)
 697                                         singleParUpdate = false;
 698                                 needsUpdate = backspace(cur);
 699                                 cur.resetAnchor();
 700                                 // It is possible to make it a lot faster still
 701                                 // just comment out the line below...
 702                         }
 703                 } else {
 704                         cutSelection(cur, true, false);
 705                         singleParUpdate = 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_INSERT: {
 791                 recordUndo(cur);
 792                 InsetBase * inset = createInset(bv, cmd);
 793                 if (inset) {
 794                         insertInset(cur, inset);
 795                         cur.posRight();
 796                 }
 797                 break;
 798         }
 799
 800         case LFUN_INSET_SETTINGS:
 801                 cur.inset().showInsetDialog(bv);
 802                 break;
 803
 804         case LFUN_NEXT_INSET_TOGGLE: {
 805                 InsetBase * inset = cur.nextInset();
 806                 // this is the real function we want to invoke
 807                 cmd = FuncRequest(LFUN_INSET_TOGGLE);
 808                 cur.undispatched();
 809                 // if there is an inset at cursor, see whether it
 810                 // wants to toggle.
 811                 if (inset) {
 812                         LCursor tmpcur = cur;
 813                         tmpcur.pushLeft(*inset);
 814                         inset->dispatch(tmpcur, cmd);
 815                         if (tmpcur.result().dispatched()) {
 816                                 cur.clearSelection();
 817                                 cur.dispatched();
 818                         }
 819                 }
 820                 // if it did not work, try the underlying inset.
 821                 if (!cur.result().dispatched())
 822                         cur.inset().dispatch(cur, cmd);
 823                 break;
 824         }
 825
 826         case LFUN_SPACE_INSERT:
 827                 if (cur.paragraph().layout()->free_spacing)
 828                         insertChar(cur, ' ');
 829                 else {
 830                         doInsertInset(cur, this, cmd, false, false);
 831                         cur.posRight();
 832                 }
 833                 moveCursor(cur, false);
 834                 break;
 835
 836         case LFUN_HYPHENATION:
 837                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 838                 break;
 839
 840         case LFUN_LIGATURE_BREAK:
 841                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 842                 break;
 843
 844         case LFUN_LDOTS:
 845                 specialChar(cur, InsetSpecialChar::LDOTS);
 846                 break;
 847
 848         case LFUN_END_OF_SENTENCE:
 849                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 850                 break;
 851
 852         case LFUN_MENU_SEPARATOR:
 853                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 854                 break;
 855
 856         case LFUN_UPCASE_WORD:
 857                 changeCase(cur, LyXText::text_uppercase);
 858                 break;
 859
 860         case LFUN_LOWCASE_WORD:
 861                 changeCase(cur, LyXText::text_lowercase);
 862                 break;
 863
 864         case LFUN_CAPITALIZE_WORD:
 865                 changeCase(cur, LyXText::text_capitalization);
 866                 break;
 867
 868         case LFUN_TRANSPOSE_CHARS:
 869                 recordUndo(cur);
 870                 break;
 871
 872         case LFUN_PASTE:
 873                 cur.message(_("Paste"));
 874                 lyx::cap::replaceSelection(cur);
 875                 if (isStrUnsignedInt(cmd.argument))
 876                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 877                 else
 878                         pasteSelection(cur, 0);
 879                 cur.clearSelection(); // bug 393
 880                 bv->switchKeyMap();
 881                 finishUndo();
 882                 break;
 883
 884         case LFUN_CUT:
 885                 cutSelection(cur, true, true);
 886                 cur.message(_("Cut"));
 887                 break;
 888
 889         case LFUN_COPY:
 890                 copySelection(cur);
 891                 cur.message(_("Copy"));
 892                 break;
 893
 894         case LFUN_GETXY:
 895                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 896                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 897                 break;
 898
 899         case LFUN_SETXY: {
 900                 int x = 0;
 901                 int y = 0;
 902                 istringstream is(cmd.argument);
 903                 is >> x >> y;
 904                 if (!is)
 905                         lyxerr << "SETXY: Could not parse coordinates in '"
 906                                << cmd.argument << std::endl;
 907                 else
 908                         setCursorFromCoordinates(cur, x, y);
 909                 break;
 910         }
 911
 912         case LFUN_GETFONT:
 913                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 914                         cur.message("E");
 915                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 916                         cur.message("N");
 917                 else
 918                         cur.message("0");
 919                 break;
 920
 921         case LFUN_GETLAYOUT:
 922                 cur.message(cur.paragraph().layout()->name());
 923                 break;
 924
 925         case LFUN_LAYOUT: {
 926                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 927                   << cmd.argument << endl;
 928
 929                 // This is not the good solution to the empty argument
 930                 // problem, but it will hopefully suffice for 1.2.0.
 931                 // The correct solution would be to augument the
 932                 // function list/array with information about what
 933                 // functions needs arguments and their type.
 934                 if (cmd.argument.empty()) {
 935                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 936                         break;
 937                 }
 938
 939                 // Derive layout number from given argument (string)
 940                 // and current buffer's textclass (number)
 941                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 942                 bool hasLayout = tclass.hasLayout(cmd.argument);
 943                 string layout = cmd.argument;
 944
 945                 // If the entry is obsolete, use the new one instead.
 946                 if (hasLayout) {
 947                         string const & obs = tclass[layout]->obsoleted_by();
 948                         if (!obs.empty())
 949                                 layout = obs;
 950                 }
 951
 952                 if (!hasLayout) {
 953                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 954                                 N_(" not known"));
 955                         break;
 956                 }
 957
 958                 bool change_layout = (current_layout != layout);
 959
 960                 if (!change_layout && cur.selection() &&
 961                         cur.selBegin().pit() != cur.selEnd().pit())
 962                 {
 963                         pit_type spit = cur.selBegin().pit();
 964                         pit_type epit = cur.selEnd().pit() + 1;
 965                         while (spit != epit) {
 966                                 if (pars_[spit].layout()->name() != current_layout) {
 967                                         change_layout = true;
 968                                         break;
 969                                 }
 970                                 ++spit;
 971                         }
 972                 }
 973
 974                 if (change_layout) {
 975                         current_layout = layout;
 976                         setLayout(cur, layout);
 977                         bv->owner()->setLayout(layout);
 978                         bv->switchKeyMap();
 979                 }
 980                 break;
 981         }
 982
 983         case LFUN_PASTESELECTION: {
 984                 cur.clearSelection();
 985                 string const clip = bv->getClipboard();
 986                 if (!clip.empty()) {
 987                         recordUndo(cur);
 988                         if (cmd.argument == "paragraph")
 989                                 insertStringAsParagraphs(cur, clip);
 990                         else
 991                                 insertStringAsLines(cur, clip);
 992                 }
 993                 break;
 994         }
 995
 996         case LFUN_QUOTE: {
 997                 lyx::cap::replaceSelection(cur);
 998                 Paragraph & par = cur.paragraph();
 999                 lyx::pos_type pos = cur.pos();
1000                 lyx::char_type c;
1001                 if (pos == 0)
1002                         c = ' ';
1003                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1004                         c = ' ';
1005                 else
1006                         c = par.getChar(pos - 1);
1007
1008                 LyXLayout_ptr const & style = par.layout();
1009
1010                 BufferParams const & bufparams = bv->buffer()->params();
1011                 if (!style->pass_thru
1012                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1013                         string arg = cmd.argument;
1014                         if (arg == "single")
1015                                 cur.insert(new InsetQuotes(c,
1016                                     bufparams.quotes_language,
1017                                     InsetQuotes::SingleQ));
1018                         else
1019                                 cur.insert(new InsetQuotes(c,
1020                                     bufparams.quotes_language,
1021                                     InsetQuotes::DoubleQ));
1022                         cur.posRight();
1023                 }
1024                 else
1025                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1026                 break;
1027         }
1028
1029         case LFUN_DATE_INSERT:
1030                 if (cmd.argument.empty())
1031                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
1032                                 lyx::formatted_time(lyx::current_time())));
1033                 else
1034                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
1035                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
1036                 break;
1037
1038         case LFUN_MOUSE_TRIPLE:
1039                 if (cmd.button() == mouse_button::button1) {
1040                         cursorHome(cur);
1041                         cur.resetAnchor();
1042                         cursorEnd(cur);
1043                         cur.setSelection();
1044                         bv->cursor() = cur;
1045                         bv->haveSelection(cur.selection());
1046                 }
1047                 break;
1048
1049         case LFUN_MOUSE_DOUBLE:
1050                 if (cmd.button() == mouse_button::button1) {
1051                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1052                         bv->cursor() = cur;
1053                         bv->haveSelection(cur.selection());
1054                 }
1055                 break;
1056
1057         // Single-click on work area
1058         case LFUN_MOUSE_PRESS: {
1059                 // Right click on a footnote flag opens float menu
1060                 if (cmd.button() == mouse_button::button3)
1061                         cur.clearSelection();
1062
1063                 // Middle button press pastes if we have a selection
1064                 // We do this here as if the selection was inside an inset
1065                 // it could get cleared on the unlocking of the inset so
1066                 // we have to check this first
1067                 bool paste_internally = false;
1068                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1069                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1070                         paste_internally = true;
1071                 }
1072
1073                 bv->mouseSetCursor(cur);
1074
1075                 // Insert primary selection with middle mouse
1076                 // if there is a local selection in the current buffer,
1077                 // insert this
1078                 if (cmd.button() == mouse_button::button2) {
1079                         if (paste_internally)
1080                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1081                         else
1082                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1083                 }
1084
1085                 break;
1086         }
1087
1088         case LFUN_MOUSE_MOTION: {
1089                 // Only use motion with button 1
1090                 //if (cmd.button() != mouse_button::button1)
1091                 //      return false;
1092
1093                 // ignore motions deeper nested than the real anchor
1094                 LCursor & bvcur = cur.bv().cursor();
1095                 if (bvcur.anchor_.hasPart(cur)) {
1096                         CursorSlice old = bvcur.top();
1097
1098                         int const wh = bv->workHeight();
1099                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1100
1101                         setCursorFromCoordinates(cur, cmd.x, y);
1102                         cur.x_target() = cmd.x;
1103                         if (cmd.y >= wh)
1104                                 cursorDown(cur);
1105                         else if (cmd.y < 0)
1106                                 cursorUp(cur);
1107                         // This is to allow jumping over large insets
1108                         if (cur.top() == old) {
1109                                 if (cmd.y >= wh)
1110                                         cursorDown(cur);
1111                                 else if (cmd.y < 0)
1112                                         cursorUp(cur);
1113                         }
1114
1115                         if (cur.top() == old)
1116                                 cur.noUpdate();
1117                         else {
1118                                 // don't set anchor_
1119                                 bvcur.setCursor(cur);
1120                                 bvcur.selection() = true;
1121                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1122                         }
1123
1124                 } else
1125                         cur.undispatched();
1126                 break;
1127         }
1128
1129         case LFUN_MOUSE_RELEASE: {
1130                 if (cmd.button() == mouse_button::button2)
1131                         break;
1132
1133                 // finish selection
1134                 if (cmd.button() == mouse_button::button1)
1135                         bv->haveSelection(cur.selection());
1136
1137                 bv->switchKeyMap();
1138                 bv->owner()->updateMenubar();
1139                 bv->owner()->updateToolbars();
1140                 break;
1141         }
1142
1143         case LFUN_SELFINSERT: {
1144                 if (cmd.argument.empty())
1145                         break;
1146
1147                 // Automatically delete the currently selected
1148                 // text and replace it with what is being
1149                 // typed in now. Depends on lyxrc settings
1150                 // "auto_region_delete", which defaults to
1151                 // true (on).
1152
1153                 if (lyxrc.auto_region_delete) {
1154                         if (cur.selection())
1155                                 cutSelection(cur, false, false);
1156                         bv->haveSelection(false);
1157                 }
1158
1159                 cur.clearSelection();
1160                 LyXFont const old_font = real_current_font;
1161
1162                 string::const_iterator cit = cmd.argument.begin();
1163                 string::const_iterator end = cmd.argument.end();
1164                 for (; cit != end; ++cit)
1165                         bv->owner()->getIntl().getTransManager().
1166                                 translateAndInsert(*cit, this);
1167
1168                 cur.resetAnchor();
1169                 moveCursor(cur, false);
1170                 bv->updateScrollbar();
1171                 break;
1172         }
1173
1174         case LFUN_URL: {
1175                 InsetCommandParams p("url");
1176                 string const data = InsetCommandMailer::params2string("url", p);
1177                 bv->owner()->getDialogs().show("url", data, 0);
1178                 break;
1179         }
1180
1181         case LFUN_HTMLURL: {
1182                 InsetCommandParams p("htmlurl");
1183                 string const data = InsetCommandMailer::params2string("url", p);
1184                 bv->owner()->getDialogs().show("url", data, 0);
1185                 break;
1186         }
1187
1188         case LFUN_INSERT_LABEL: {
1189                 // Try to generate a valid label
1190                 string const contents = cmd.argument.empty() ?
1191                         cur.getPossibleLabel() : cmd.argument;
1192
1193                 InsetCommandParams p("label", contents);
1194                 string const data = InsetCommandMailer::params2string("label", p);
1195
1196                 if (cmd.argument.empty()) {
1197                         bv->owner()->getDialogs().show("label", data, 0);
1198                 } else {
1199                         FuncRequest fr(LFUN_INSET_INSERT, data);
1200                         dispatch(cur, fr);
1201                 }
1202                 break;
1203         }
1204
1205
1206 #if 0
1207         case LFUN_INSET_LIST:
1208         case LFUN_INSET_THEOREM:
1209         case LFUN_INSET_CAPTION:
1210 #endif
1211         case LFUN_INSERT_NOTE:
1212         case LFUN_INSERT_CHARSTYLE:
1213         case LFUN_INSERT_BOX:
1214         case LFUN_INSERT_BRANCH:
1215         case LFUN_INSERT_BIBITEM:
1216         case LFUN_INSET_ERT:
1217         case LFUN_INSET_FOOTNOTE:
1218         case LFUN_INSET_MARGINAL:
1219         case LFUN_INSET_OPTARG:
1220         case LFUN_ENVIRONMENT_INSERT:
1221                 // Open the inset, and move the current selection
1222                 // inside it.
1223                 doInsertInset(cur, this, cmd, true, true);
1224                 cur.posRight();
1225                 break;
1226
1227         case LFUN_TABULAR_INSERT:
1228                 // if there were no arguments, just open the dialog
1229                 if (doInsertInset(cur, this, cmd, false, true))
1230                         cur.posRight();
1231                 else
1232                         bv->owner()->getDialogs().show("tabularcreate");
1233
1234                 break;
1235
1236         case LFUN_INSET_FLOAT:
1237         case LFUN_INSET_WIDE_FLOAT:
1238         case LFUN_INSET_WRAP:
1239                 doInsertInset(cur, this, cmd, true, true);
1240                 cur.posRight();
1241                 // FIXME: the "Caption" name should not be hardcoded,
1242                 // but given by the float definition.
1243                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1244                 break;
1245
1246         case LFUN_INDEX_INSERT: {
1247                 InsetBase * inset = createInset(&cur.bv(), cmd);
1248                 if (!inset)
1249                         break;
1250
1251                 recordUndo(cur);
1252                 cur.clearSelection();
1253                 insertInset(cur, inset);
1254                 inset->edit(cur, true);
1255                 cur.posRight();
1256                 break;
1257         }
1258
1259         case LFUN_INDEX_PRINT:
1260         case LFUN_TOC_INSERT:
1261         case LFUN_HFILL:
1262         case LFUN_INSERT_LINE:
1263         case LFUN_INSERT_PAGEBREAK:
1264                 // do nothing fancy
1265                 doInsertInset(cur, this, cmd, false, false);
1266                 cur.posRight();
1267                 break;
1268
1269         case LFUN_DEPTH_MIN:
1270                 changeDepth(cur, DEC_DEPTH);
1271                 break;
1272
1273         case LFUN_DEPTH_PLUS:
1274                 changeDepth(cur, INC_DEPTH);
1275                 break;
1276
1277         case LFUN_MATH_DISPLAY:
1278                 mathDispatch(cur, cmd, true);
1279                 break;
1280
1281         case LFUN_MATH_IMPORT_SELECTION:
1282         case LFUN_MATH_MODE:
1283                 if (cmd.argument == "on")
1284                         // don't pass "on" as argument
1285                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1286                 else
1287                         mathDispatch(cur, cmd, false);
1288                 break;
1289
1290         case LFUN_MATH_MACRO:
1291                 if (cmd.argument.empty())
1292                         cur.errorMessage(N_("Missing argument"));
1293                 else {
1294                         string s = cmd.argument;
1295                         string const s1 = token(s, ' ', 1);
1296                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1297                         string const s2 = token(s, ' ', 2);
1298                         string const type = s2.empty() ? "newcommand" : s2;
1299                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1300                         //cur.nextInset()->edit(cur, true);
1301                 }
1302                 break;
1303
1304         // passthrough hat and underscore outside mathed:
1305         case LFUN_SUBSCRIPT:
1306                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1307                 break;
1308         case LFUN_SUPERSCRIPT:
1309                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1310                 break;
1311
1312         case LFUN_INSERT_MATH:
1313         case LFUN_INSERT_MATRIX:
1314         case LFUN_MATH_DELIM: {
1315                 cur.insert(new MathHullInset("simple"));
1316                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1317                 cur.dispatch(cmd);
1318                 break;
1319         }
1320
1321         case LFUN_EMPH: {
1322                 LyXFont font(LyXFont::ALL_IGNORE);
1323                 font.setEmph(LyXFont::TOGGLE);
1324                 toggleAndShow(cur, this, font);
1325                 break;
1326         }
1327
1328         case LFUN_BOLD: {
1329                 LyXFont font(LyXFont::ALL_IGNORE);
1330                 font.setSeries(LyXFont::BOLD_SERIES);
1331                 toggleAndShow(cur, this, font);
1332                 break;
1333         }
1334
1335         case LFUN_NOUN: {
1336                 LyXFont font(LyXFont::ALL_IGNORE);
1337                 font.setNoun(LyXFont::TOGGLE);
1338                 toggleAndShow(cur, this, font);
1339                 break;
1340         }
1341
1342         case LFUN_CODE: {
1343                 LyXFont font(LyXFont::ALL_IGNORE);
1344                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1345                 toggleAndShow(cur, this, font);
1346                 break;
1347         }
1348
1349         case LFUN_SANS: {
1350                 LyXFont font(LyXFont::ALL_IGNORE);
1351                 font.setFamily(LyXFont::SANS_FAMILY);
1352                 toggleAndShow(cur, this, font);
1353                 break;
1354         }
1355
1356         case LFUN_ROMAN: {
1357                 LyXFont font(LyXFont::ALL_IGNORE);
1358                 font.setFamily(LyXFont::ROMAN_FAMILY);
1359                 toggleAndShow(cur, this, font);
1360                 break;
1361         }
1362
1363         case LFUN_DEFAULT: {
1364                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1365                 toggleAndShow(cur, this, font);
1366                 break;
1367         }
1368
1369         case LFUN_UNDERLINE: {
1370                 LyXFont font(LyXFont::ALL_IGNORE);
1371                 font.setUnderbar(LyXFont::TOGGLE);
1372                 toggleAndShow(cur, this, font);
1373                 break;
1374         }
1375
1376         case LFUN_FONT_SIZE: {
1377                 LyXFont font(LyXFont::ALL_IGNORE);
1378                 font.setLyXSize(cmd.argument);
1379                 toggleAndShow(cur, this, font);
1380                 break;
1381         }
1382
1383         case LFUN_LANGUAGE: {
1384                 Language const * lang = languages.getLanguage(cmd.argument);
1385                 if (!lang)
1386                         break;
1387                 LyXFont font(LyXFont::ALL_IGNORE);
1388                 font.setLanguage(lang);
1389                 toggleAndShow(cur, this, font);
1390                 bv->switchKeyMap();
1391                 break;
1392         }
1393
1394         case LFUN_FREEFONT_APPLY:
1395                 toggleAndShow(cur, this, freefont, toggleall);
1396                 cur.message(_("Character set"));
1397                 break;
1398
1399         // Set the freefont using the contents of \param data dispatched from
1400         // the frontends and apply it at the current cursor location.
1401         case LFUN_FREEFONT_UPDATE: {
1402                 LyXFont font;
1403                 bool toggle;
1404                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1405                         freefont = font;
1406                         toggleall = toggle;
1407                         toggleAndShow(cur, this, freefont, toggleall);
1408                         cur.message(_("Character set"));
1409                 }
1410                 break;
1411         }
1412
1413         case LFUN_FINISHED_LEFT:
1414                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1415                 break;
1416
1417         case LFUN_FINISHED_RIGHT:
1418                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1419                 ++cur.pos();
1420                 break;
1421
1422         case LFUN_FINISHED_UP:
1423                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1424                 cursorUp(cur);
1425                 break;
1426
1427         case LFUN_FINISHED_DOWN:
1428                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1429                 cursorDown(cur);
1430                 break;
1431
1432         case LFUN_LAYOUT_PARAGRAPH: {
1433                 string data;
1434                 params2string(cur.paragraph(), data);
1435                 data = "show\n" + data;
1436                 bv->owner()->getDialogs().show("paragraph", data);
1437                 break;
1438         }
1439
1440         case LFUN_PARAGRAPH_UPDATE: {
1441                 if (!bv->owner()->getDialogs().visible("paragraph"))
1442                         break;
1443                 string data;
1444                 params2string(cur.paragraph(), data);
1445
1446                 // Will the paragraph accept changes from the dialog?
1447                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1448
1449                 data = "update " + convert<string>(accept) + '\n' + data;
1450                 bv->owner()->getDialogs().update("paragraph", data);
1451                 break;
1452         }
1453
1454         case LFUN_UMLAUT:
1455         case LFUN_CIRCUMFLEX:
1456         case LFUN_GRAVE:
1457         case LFUN_ACUTE:
1458         case LFUN_TILDE:
1459         case LFUN_CEDILLA:
1460         case LFUN_MACRON:
1461         case LFUN_DOT:
1462         case LFUN_UNDERDOT:
1463         case LFUN_UNDERBAR:
1464         case LFUN_CARON:
1465         case LFUN_SPECIAL_CARON:
1466         case LFUN_BREVE:
1467         case LFUN_TIE:
1468         case LFUN_HUNG_UMLAUT:
1469         case LFUN_CIRCLE:
1470         case LFUN_OGONEK:
1471                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1472                 if (!cmd.argument.empty())
1473                         bv->owner()->getIntl().getTransManager()
1474                                 .translateAndInsert(cmd.argument[0], this);
1475                 break;
1476
1477         case LFUN_FLOAT_LIST: {
1478                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1479                 if (tclass.floats().typeExist(cmd.argument)) {
1480                         // not quite sure if we want this...
1481                         recordUndo(cur);
1482                         cur.clearSelection();
1483                         breakParagraph(cur);
1484
1485                         if (cur.lastpos() != 0) {
1486                                 cursorLeft(cur);
1487                                 breakParagraph(cur);
1488                         }
1489
1490                         setLayout(cur, tclass.defaultLayoutName());
1491                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1492                         insertInset(cur, new InsetFloatList(cmd.argument));
1493                         cur.posRight();
1494                 } else {
1495                         lyxerr << "Non-existent float type: "
1496                                << cmd.argument << endl;
1497                 }
1498                 break;
1499         }
1500
1501         case LFUN_ACCEPT_CHANGE: {
1502                 acceptChange(cur);
1503                 break;
1504         }
1505
1506         case LFUN_REJECT_CHANGE: {
1507                 rejectChange(cur);
1508                 break;
1509         }
1510
1511         case LFUN_THESAURUS_ENTRY: {
1512                 string arg = cmd.argument;
1513                 if (arg.empty()) {
1514                         arg = cur.selectionAsString(false);
1515                         // FIXME
1516                         if (arg.size() > 100 || arg.empty()) {
1517                                 // Get word or selection
1518                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1519                                 arg = cur.selectionAsString(false);
1520                         }
1521                 }
1522                 bv->owner()->getDialogs().show("thesaurus", arg);
1523                 break;
1524         }
1525
1526         case LFUN_PARAGRAPH_APPLY: {
1527                 // Given data, an encoding of the ParagraphParameters
1528                 // generated in the Paragraph dialog, this function sets
1529                 // the current paragraph appropriately.
1530                 istringstream is(cmd.argument);
1531                 LyXLex lex(0, 0);
1532                 lex.setStream(is);
1533                 ParagraphParameters params;
1534                 params.read(lex);
1535                 setParagraph(cur,
1536                                          params.spacing(),
1537                                          params.align(),
1538                                          params.labelWidthString(),
1539                                          params.noindent());
1540                 cur.message(_("Paragraph layout set"));
1541                 break;
1542         }
1543
1544         case LFUN_INSET_DIALOG_SHOW: {
1545                 InsetBase * inset = cur.nextInset();
1546                 if (inset) {
1547                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1548                         inset->dispatch(cur, fr);
1549                 }
1550                 break;
1551         }
1552
1553         case LFUN_ESCAPE:
1554                 if (cur.selection()) {
1555                         cur.selection() = false;
1556                 } else {
1557                         cur.undispatched();
1558                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1559                 }
1560                 break;
1561
1562         default:
1563                 lyxerr[Debug::ACTION]
1564                         << BOOST_CURRENT_FUNCTION
1565                         << ": Command " << cmd
1566                         << " not DISPATCHED by LyXText" << endl;
1567                 cur.undispatched();
1568                 break;
1569         }
1570
1571         if (singleParUpdate)
1572                 // Inserting characters does not change par height
1573                 if (cur.bottom().paragraph().dim().height()
1574                     == olddim.height()) {
1575                         // if so, update _only_ this paragraph
1576                         cur.bv().update(Update::SinglePar |
1577                                         Update::FitCursor |
1578                                         Update::MultiParSel);
1579                         cur.noUpdate();
1580                         return;
1581                 } else
1582                         needsUpdate = true;
1583         if (!needsUpdate
1584             && &oldTopSlice.inset() == &cur.inset()
1585             && oldTopSlice.idx() == cur.idx()
1586             && !sel
1587             && !cur.selection())
1588                 cur.noUpdate();
1589         else
1590                 cur.needsUpdate();
1591 }
1592
1593
1594 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1595                         FuncStatus & flag) const
1596 {
1597         BOOST_ASSERT(cur.text() == this);
1598
1599         LyXFont const & font = real_current_font;
1600         bool enable = true;
1601         InsetBase::Code code = InsetBase::NO_CODE;
1602
1603         switch (cmd.action) {
1604
1605         case LFUN_DEPTH_MIN:
1606                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1607                 break;
1608
1609         case LFUN_DEPTH_PLUS:
1610                 enable = changeDepthAllowed(cur, INC_DEPTH);
1611                 break;
1612
1613         case LFUN_APPENDIX:
1614                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1615                 return true;
1616
1617         case LFUN_INSERT_BIBITEM:
1618                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1619                 break;
1620
1621         case LFUN_DIALOG_SHOW_NEW_INSET:
1622                 if (cmd.argument == "bibitem")
1623                         code = InsetBase::BIBITEM_CODE;
1624                 else if (cmd.argument == "bibtex")
1625                         code = InsetBase::BIBTEX_CODE;
1626                 else if (cmd.argument == "box")
1627                         code = InsetBase::BOX_CODE;
1628                 else if (cmd.argument == "branch")
1629                         code = InsetBase::BRANCH_CODE;
1630                 else if (cmd.argument == "citation")
1631                         code = InsetBase::CITE_CODE;
1632                 else if (cmd.argument == "ert")
1633                         code = InsetBase::ERT_CODE;
1634                 else if (cmd.argument == "external")
1635                         code = InsetBase::EXTERNAL_CODE;
1636                 else if (cmd.argument == "float")
1637                         code = InsetBase::FLOAT_CODE;
1638                 else if (cmd.argument == "graphics")
1639                         code = InsetBase::GRAPHICS_CODE;
1640                 else if (cmd.argument == "include")
1641                         code = InsetBase::INCLUDE_CODE;
1642                 else if (cmd.argument == "index")
1643                         code = InsetBase::INDEX_CODE;
1644                 else if (cmd.argument == "label")
1645                         code = InsetBase::LABEL_CODE;
1646                 else if (cmd.argument == "note")
1647                         code = InsetBase::NOTE_CODE;
1648                 else if (cmd.argument == "ref")
1649                         code = InsetBase::REF_CODE;
1650                 else if (cmd.argument == "toc")
1651                         code = InsetBase::TOC_CODE;
1652                 else if (cmd.argument == "url")
1653                         code = InsetBase::URL_CODE;
1654                 else if (cmd.argument == "vspace")
1655                         code = InsetBase::VSPACE_CODE;
1656                 else if (cmd.argument == "wrap")
1657                         code = InsetBase::WRAP_CODE;
1658                 break;
1659
1660         case LFUN_INSET_ERT:
1661                 code = InsetBase::ERT_CODE;
1662                 break;
1663         case LFUN_INSET_FOOTNOTE:
1664                 code = InsetBase::FOOT_CODE;
1665                 break;
1666         case LFUN_TABULAR_INSERT:
1667                 code = InsetBase::TABULAR_CODE;
1668                 break;
1669         case LFUN_INSET_MARGINAL:
1670                 code = InsetBase::MARGIN_CODE;
1671                 break;
1672         case LFUN_INSET_FLOAT:
1673         case LFUN_INSET_WIDE_FLOAT:
1674                 code = InsetBase::FLOAT_CODE;
1675                 break;
1676         case LFUN_INSET_WRAP:
1677                 code = InsetBase::WRAP_CODE;
1678                 break;
1679         case LFUN_FLOAT_LIST:
1680                 code = InsetBase::FLOAT_LIST_CODE;
1681                 break;
1682 #if 0
1683         case LFUN_INSET_LIST:
1684                 code = InsetBase::LIST_CODE;
1685                 break;
1686         case LFUN_INSET_THEOREM:
1687                 code = InsetBase::THEOREM_CODE;
1688                 break;
1689 #endif
1690         case LFUN_INSET_CAPTION:
1691                 code = InsetBase::CAPTION_CODE;
1692                 break;
1693         case LFUN_INSERT_NOTE:
1694                 code = InsetBase::NOTE_CODE;
1695                 break;
1696         case LFUN_INSERT_CHARSTYLE:
1697                 code = InsetBase::CHARSTYLE_CODE;
1698                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1699                         enable = false;
1700                 break;
1701         case LFUN_INSERT_BOX:
1702                 code = InsetBase::BOX_CODE;
1703                 break;
1704         case LFUN_INSERT_BRANCH:
1705                 code = InsetBase::BRANCH_CODE;
1706                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1707                         enable = false;
1708                 break;
1709         case LFUN_INSERT_LABEL:
1710                 code = InsetBase::LABEL_CODE;
1711                 break;
1712         case LFUN_INSET_OPTARG:
1713                 code = InsetBase::OPTARG_CODE;
1714                 enable = numberOfOptArgs(cur.paragraph())
1715                         < cur.paragraph().layout()->optionalargs;
1716                 break;
1717         case LFUN_ENVIRONMENT_INSERT:
1718                 code = InsetBase::BOX_CODE;
1719                 break;
1720         case LFUN_INDEX_INSERT:
1721                 code = InsetBase::INDEX_CODE;
1722                 break;
1723         case LFUN_INDEX_PRINT:
1724                 code = InsetBase::INDEX_PRINT_CODE;
1725                 break;
1726         case LFUN_TOC_INSERT:
1727                 code = InsetBase::TOC_CODE;
1728                 break;
1729         case LFUN_HTMLURL:
1730         case LFUN_URL:
1731                 code = InsetBase::URL_CODE;
1732                 break;
1733         case LFUN_QUOTE:
1734                 // always allow this, since we will inset a raw quote
1735                 // if an inset is not allowed.
1736                 break;
1737         case LFUN_HYPHENATION:
1738         case LFUN_LIGATURE_BREAK:
1739         case LFUN_HFILL:
1740         case LFUN_MENU_SEPARATOR:
1741         case LFUN_LDOTS:
1742         case LFUN_END_OF_SENTENCE:
1743                 code = InsetBase::SPECIALCHAR_CODE;
1744                 break;
1745         case LFUN_SPACE_INSERT:
1746                 // slight hack: we know this is allowed in math mode
1747                 if (cur.inTexted())
1748                         code = InsetBase::SPACE_CODE;
1749                 break;
1750
1751 #ifdef WITH_WARNINGS
1752 #warning This LFUN is not used anymore and should be nuked (JMarc 29/10/2005)
1753 #endif
1754 #if 0
1755         case LFUN_INSET_DIALOG_SHOW: {
1756                 InsetBase * inset = cur.nextInset();
1757                 enable = inset;
1758                 if (inset) {
1759                         code = inset->lyxCode();
1760                         if (!(code == InsetBase::INCLUDE_CODE
1761                                 || code == InsetBase::BIBTEX_CODE
1762                                 || code == InsetBase::FLOAT_LIST_CODE
1763                                 || code == InsetBase::TOC_CODE))
1764                                 enable = false;
1765                 }
1766                 break;
1767         }
1768 #endif
1769
1770         case LFUN_INSET_MODIFY:
1771                 // We need to disable this, because we may get called for a
1772                 // tabular cell via
1773                 // InsetTabular::getStatus() -> InsetText::getStatus()
1774                 // and we don't handle LFUN_INSET_MODIFY.
1775                 enable = false;
1776                 break;
1777
1778         case LFUN_EMPH:
1779                 flag.setOnOff(font.emph() == LyXFont::ON);
1780                 return true;
1781
1782         case LFUN_NOUN:
1783                 flag.setOnOff(font.noun() == LyXFont::ON);
1784                 return true;
1785
1786         case LFUN_BOLD:
1787                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1788                 return true;
1789
1790         case LFUN_SANS:
1791                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1792                 return true;
1793
1794         case LFUN_ROMAN:
1795                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1796                 return true;
1797
1798         case LFUN_CODE:
1799                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1800                 return true;
1801
1802         case LFUN_CUT:
1803         case LFUN_COPY:
1804                 enable = cur.selection();
1805                 break;
1806
1807         case LFUN_PASTE:
1808                 enable = lyx::cap::numberOfSelections() > 0;
1809                 break;
1810
1811         case LFUN_PARAGRAPH_MOVE_UP: {
1812                 enable = cur.pit() > 0 && !cur.selection();
1813                 break;
1814         }
1815
1816         case LFUN_PARAGRAPH_MOVE_DOWN: {
1817                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1818                 break;
1819         }
1820
1821         case LFUN_DELETE_WORD_FORWARD:
1822         case LFUN_DELETE_WORD_BACKWARD:
1823         case LFUN_DELETE_LINE_FORWARD:
1824         case LFUN_WORDRIGHT:
1825         case LFUN_WORDLEFT:
1826         case LFUN_RIGHT:
1827         case LFUN_RIGHTSEL:
1828         case LFUN_LEFT:
1829         case LFUN_LEFTSEL:
1830         case LFUN_UP:
1831         case LFUN_UPSEL:
1832         case LFUN_DOWN:
1833         case LFUN_DOWNSEL:
1834         case LFUN_UP_PARAGRAPHSEL:
1835         case LFUN_DOWN_PARAGRAPHSEL:
1836         case LFUN_PRIORSEL:
1837         case LFUN_NEXTSEL:
1838         case LFUN_HOMESEL:
1839         case LFUN_ENDSEL:
1840         case LFUN_WORDRIGHTSEL:
1841         case LFUN_WORDLEFTSEL:
1842         case LFUN_WORDSEL:
1843         case LFUN_UP_PARAGRAPH:
1844         case LFUN_DOWN_PARAGRAPH:
1845         case LFUN_PRIOR:
1846         case LFUN_NEXT:
1847         case LFUN_HOME:
1848         case LFUN_END:
1849         case LFUN_BREAKLINE:
1850         case LFUN_DELETE:
1851         case LFUN_DELETE_SKIP:
1852         case LFUN_BACKSPACE:
1853         case LFUN_BACKSPACE_SKIP:
1854         case LFUN_BREAKPARAGRAPH:
1855         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1856         case LFUN_BREAKPARAGRAPH_SKIP:
1857         case LFUN_PARAGRAPH_SPACING:
1858         case LFUN_INSET_INSERT:
1859         case LFUN_NEXT_INSET_TOGGLE:
1860         case LFUN_UPCASE_WORD:
1861         case LFUN_LOWCASE_WORD:
1862         case LFUN_CAPITALIZE_WORD:
1863         case LFUN_TRANSPOSE_CHARS:
1864         case LFUN_GETXY:
1865         case LFUN_SETXY:
1866         case LFUN_GETFONT:
1867         case LFUN_GETLAYOUT:
1868         case LFUN_LAYOUT:
1869         case LFUN_PASTESELECTION:
1870         case LFUN_DATE_INSERT:
1871         case LFUN_SELFINSERT:
1872         case LFUN_INSERT_LINE:
1873         case LFUN_INSERT_PAGEBREAK:
1874         case LFUN_MATH_DISPLAY:
1875         case LFUN_MATH_IMPORT_SELECTION:
1876         case LFUN_MATH_MODE:
1877         case LFUN_MATH_MACRO:
1878         case LFUN_INSERT_MATH:
1879         case LFUN_INSERT_MATRIX:
1880         case LFUN_MATH_DELIM:
1881         case LFUN_SUBSCRIPT:
1882         case LFUN_SUPERSCRIPT:
1883         case LFUN_DEFAULT:
1884         case LFUN_UNDERLINE:
1885         case LFUN_FONT_SIZE:
1886         case LFUN_LANGUAGE:
1887         case LFUN_FREEFONT_APPLY:
1888         case LFUN_FREEFONT_UPDATE:
1889         case LFUN_LAYOUT_PARAGRAPH:
1890         case LFUN_PARAGRAPH_UPDATE:
1891         case LFUN_UMLAUT:
1892         case LFUN_CIRCUMFLEX:
1893         case LFUN_GRAVE:
1894         case LFUN_ACUTE:
1895         case LFUN_TILDE:
1896         case LFUN_CEDILLA:
1897         case LFUN_MACRON:
1898         case LFUN_DOT:
1899         case LFUN_UNDERDOT:
1900         case LFUN_UNDERBAR:
1901         case LFUN_CARON:
1902         case LFUN_SPECIAL_CARON:
1903         case LFUN_BREVE:
1904         case LFUN_TIE:
1905         case LFUN_HUNG_UMLAUT:
1906         case LFUN_CIRCLE:
1907         case LFUN_OGONEK:
1908         case LFUN_ACCEPT_CHANGE:
1909         case LFUN_REJECT_CHANGE:
1910         case LFUN_THESAURUS_ENTRY:
1911         case LFUN_PARAGRAPH_APPLY:
1912         case LFUN_ESCAPE:
1913         case LFUN_ENDBUF:
1914         case LFUN_BEGINNINGBUF:
1915         case LFUN_BEGINNINGBUFSEL:
1916         case LFUN_ENDBUFSEL:
1917                 // these are handled in our dispatch()
1918                 enable = true;
1919                 break;
1920
1921         default:
1922                 return false;
1923         }
1924
1925         if (code != InsetBase::NO_CODE
1926             && (cur.empty() || !cur.inset().insetAllowed(code)))
1927                 enable = false;
1928
1929         flag.enabled(enable);
1930         return true;
1931 }