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
  48 #include "frontends/Dialogs.h"
  49 #include "frontends/LyXView.h"
  50
  51 #include "insets/insetcommand.h"
  52 #include "insets/insetfloatlist.h"
  53 #include "insets/insetnewline.h"
  54 #include "insets/insetquotes.h"
  55 #include "insets/insetspecialchar.h"
  56 #include "insets/insettext.h"
  57
  58 #include "support/lstrings.h"
  59 #include "support/lyxlib.h"
  60 #include "support/convert.h"
  61 #include "support/lyxtime.h"
  62
  63 #include "mathed/math_hullinset.h"
  64 #include "mathed/math_macrotemplate.h"
  65
  66 #include <boost/current_function.hpp>
  67
  68 #include <clocale>
  69 #include <sstream>
  70
  71 using lyx::pos_type;
  72
  73 using lyx::cap::copySelection;
  74 using lyx::cap::cutSelection;
  75 using lyx::cap::pasteSelection;
  76 using lyx::cap::replaceSelection;
  77
  78 using lyx::support::isStrUnsignedInt;
  79 using lyx::support::token;
  80
  81 using std::endl;
  82 using std::string;
  83 using std::istringstream;
  84 using std::ostringstream;
  85
  86
  87 extern string current_layout;
  88
  89
  90 namespace {
  91
  92         // globals...
  93         LyXFont freefont(LyXFont::ALL_IGNORE);
  94         bool toggleall = false;
  95
  96
  97         void toggleAndShow(LCursor & cur, LyXText * text,
  98                 LyXFont const & font, bool toggleall = true)
  99         {
 100                 text->toggleFree(cur, font, toggleall);
 101
 102                 if (font.language() != ignore_language ||
 103                                 font.number() != LyXFont::IGNORE) {
 104                         Paragraph & par = cur.paragraph();
 105                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 106                         if (cur.boundary() !=
 107                                         text->bidi.isBoundary(cur.buffer(), par,
 108                                                         cur.pos(),
 109                                                         text->real_current_font))
 110                                 text->setCursor(cur, cur.pit(), cur.pos(),
 111                                                 false, !cur.boundary());
 112                 }
 113         }
 114
 115
 116         void moveCursor(LCursor & cur, bool selecting)
 117         {
 118                 if (selecting || cur.mark())
 119                         cur.setSelection();
 120                 if (!cur.selection())
 121                         cur.bv().haveSelection(false);
 122                 cur.bv().switchKeyMap();
 123         }
 124
 125
 126         void finishChange(LCursor & cur, bool selecting)
 127         {
 128                 finishUndo();
 129                 moveCursor(cur, selecting);
 130         }
 131
 132
 133         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 134         {
 135                 recordUndo(cur);
 136                 string sel = cur.selectionAsString(false);
 137                 //lyxerr << "selection is: '" << sel << "'" << endl;
 138
 139                 // It may happen that sel is empty but there is a selection
 140                 replaceSelection(cur);
 141
 142                 if (sel.empty()) {
 143                         const int old_pos = cur.pos();
 144                         cur.insert(new MathHullInset("simple"));
 145                         BOOST_ASSERT(old_pos == cur.pos());
 146                         cur.nextInset()->edit(cur, true);
 147                         // don't do that also for LFUN_MATH_MODE
 148                         // unless you want end up with always changing
 149                         // to mathrm when opening an inlined inset --
 150                         // I really hate "LyXfunc overloading"...
 151                         if (display)
 152                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 153                         // Avoid an unnecessary undo step if cmd.argument
 154                         // is empty
 155                         if (!cmd.argument.empty())
 156                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH,
 157                                                          cmd.argument));
 158                 } else {
 159                         // create a macro if we see "\\newcommand"
 160                         // somewhere, and an ordinary formula
 161                         // otherwise
 162                         istringstream is(sel);
 163                         if (sel.find("\\newcommand") == string::npos
 164                             && sel.find("\\def") == string::npos)
 165                         {
 166                                 MathHullInset * formula = new MathHullInset;
 167                                 LyXLex lex(0, 0);
 168                                 lex.setStream(is);
 169                                 formula->read(cur.buffer(), lex);
 170                                 if (formula->getType() == "none")
 171                                         // Don't create pseudo formulas if
 172                                         // delimiters are left out
 173                                         formula->mutate("simple");
 174                                 cur.insert(formula);
 175                         } else
 176                                 cur.insert(new MathMacroTemplate(is));
 177                 }
 178                 cur.message(N_("Math editor mode"));
 179         }
 180
 181 } // namespace anon
 182
 183
 184
 185 namespace bv_funcs {
 186
 187 string const freefont2string()
 188 {
 189         string data;
 190         if (font2string(freefont, toggleall, data))
 191                 return data;
 192         return string();
 193 }
 194
 195 }
 196
 197 bool LyXText::cursorPrevious(LCursor & cur)
 198 {
 199         pos_type cpos = cur.pos();
 200         lyx::pit_type cpar = cur.pit();
 201
 202         int x = cur.x_target();
 203
 204         bool updated = setCursorFromCoordinates(cur, x, 0);
 205         if (updated)
 206                 cur.bv().update();
 207         updated |= cursorUp(cur);
 208
 209         if (cpar == cur.pit() && cpos == cur.pos()) {
 210                 // we have a row which is taller than the workarea. The
 211                 // simplest solution is to move to the previous row instead.
 212                 updated |= cursorUp(cur);
 213         }
 214
 215         cur.bv().updateScrollbar();
 216         finishUndo();
 217         return updated;
 218 }
 219
 220
 221 bool LyXText::cursorNext(LCursor & cur)
 222 {
 223         pos_type cpos = cur.pos();
 224         lyx::pit_type cpar = cur.pit();
 225
 226         int x = cur.x_target();
 227         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 228         if (updated)
 229                 cur.bv().update();
 230         updated |= cursorDown(cur);
 231
 232         if (cpar == cur.pit() && cpos == cur.pos()) {
 233                 // we have a row which is taller than the workarea. The
 234                 // simplest solution is to move to the next row instead.
 235                 updated |= cursorDown(cur);
 236         }
 237
 238         cur.bv().updateScrollbar();
 239         finishUndo();
 240         return updated;
 241 }
 242
 243
 244 namespace {
 245
 246 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 247 {
 248         lyx::cap::replaceSelection(cur);
 249         cur.insert(new InsetSpecialChar(kind));
 250         cur.posRight();
 251 }
 252
 253
 254 bool doInsertInset(LCursor & cur, LyXText * text,
 255         FuncRequest const & cmd, bool edit, bool pastesel)
 256 {
 257         InsetBase * inset = createInset(&cur.bv(), cmd);
 258         if (!inset)
 259                 return false;
 260
 261         recordUndo(cur);
 262         bool gotsel = false;
 263         if (cur.selection()) {
 264                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 265                 gotsel = true;
 266         }
 267         text->insertInset(cur, inset);
 268
 269         if (edit)
 270                 inset->edit(cur, true);
 271
 272         if (gotsel && pastesel)
 273                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 274         return true;
 275 }
 276
 277
 278 void update(LCursor & cur)
 279 {
 280         //we don't call update(true, false) directly to save a metrics call
 281         if (cur.bv().fitCursor())
 282                 cur.bv().update(Update::Force);
 283 }
 284
 285
 286 } // anon namespace
 287
 288
 289 void LyXText::number(LCursor & cur)
 290 {
 291         LyXFont font(LyXFont::ALL_IGNORE);
 292         font.setNumber(LyXFont::TOGGLE);
 293         toggleAndShow(cur, this, font);
 294 }
 295
 296
 297 bool LyXText::isRTL(Paragraph const & par) const
 298 {
 299         return par.isRightToLeftPar(bv()->buffer()->params());
 300 }
 301
 302
 303 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 304 {
 305         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 306
 307         BOOST_ASSERT(cur.text() == this);
 308         BufferView * bv = &cur.bv();
 309         CursorSlice oldTopSlice = cur.top();
 310         bool oldBoundary = cur.boundary();
 311         bool sel = cur.selection();
 312         // Signals that, even if needsUpdate == false, an update of the
 313         // cursor paragraph is required
 314         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 315                 LyXAction::SingleParUpdate);
 316         // Signals that a full-screen update is required
 317         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 318                 LyXAction::NoUpdate) || singleParUpdate);
 319         // Remember the old paragraph metric (_outer_ paragraph!)
 320         Dimension olddim = cur.bottom().paragraph().dim();
 321
 322         switch (cmd.action) {
 323
 324         case LFUN_APPENDIX: {
 325                 Paragraph & par = cur.paragraph();
 326                 bool start = !par.params().startOfAppendix();
 327
 328 #ifdef WITH_WARNINGS
 329 #warning The code below only makes sense at top level.
 330 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 331 #endif
 332                 // ensure that we have only one start_of_appendix in this document
 333                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 334                         if (pars_[tmp].params().startOfAppendix()) {
 335                                 recUndo(tmp);
 336                                 pars_[tmp].params().startOfAppendix(false);
 337                                 break;
 338                         }
 339                 }
 340
 341                 recordUndo(cur);
 342                 par.params().startOfAppendix(start);
 343
 344                 // we can set the refreshing parameters now
 345                 updateLabels(cur.buffer());
 346                 break;
 347         }
 348
 349         case LFUN_DELETE_WORD_FORWARD:
 350                 cur.clearSelection();
 351                 deleteWordForward(cur);
 352                 finishChange(cur, false);
 353                 break;
 354
 355         case LFUN_DELETE_WORD_BACKWARD:
 356                 cur.clearSelection();
 357                 deleteWordBackward(cur);
 358                 finishChange(cur, false);
 359                 break;
 360
 361         case LFUN_DELETE_LINE_FORWARD:
 362                 cur.clearSelection();
 363                 deleteLineForward(cur);
 364                 finishChange(cur, false);
 365                 break;
 366
 367         case LFUN_WORDRIGHT:
 368                 if (!cur.mark())
 369                         cur.clearSelection();
 370                 if (isRTL(cur.paragraph()))
 371                         needsUpdate = cursorLeftOneWord(cur);
 372                 else
 373                         needsUpdate = cursorRightOneWord(cur);
 374                 finishChange(cur, false);
 375                 break;
 376
 377         case LFUN_WORDLEFT:
 378                 if (!cur.mark())
 379                         cur.clearSelection();
 380                 if (isRTL(cur.paragraph()))
 381                         needsUpdate = cursorRightOneWord(cur);
 382                 else
 383                         needsUpdate = cursorLeftOneWord(cur);
 384                 finishChange(cur, false);
 385                 break;
 386
 387         case LFUN_BEGINNINGBUF:
 388                 if (cur.depth() == 1) {
 389                         if (!cur.mark())
 390                                 cur.clearSelection();
 391                         needsUpdate = cursorTop(cur);
 392                         finishChange(cur, false);
 393                 } else {
 394                         cur.undispatched();
 395                 }
 396                 break;
 397
 398         case LFUN_BEGINNINGBUFSEL:
 399                 if (cur.depth() == 1) {
 400                         if (!cur.selection())
 401                                 cur.resetAnchor();
 402                         needsUpdate = cursorTop(cur);
 403                         finishChange(cur, true);
 404                 } else {
 405                         cur.undispatched();
 406                 }
 407                 break;
 408
 409         case LFUN_ENDBUF:
 410                 if (cur.depth() == 1) {
 411                         if (!cur.mark())
 412                                 cur.clearSelection();
 413                         needsUpdate = cursorBottom(cur);
 414                         finishChange(cur, false);
 415                 } else {
 416                         cur.undispatched();
 417                 }
 418                 break;
 419
 420         case LFUN_ENDBUFSEL:
 421                 if (cur.depth() == 1) {
 422                         if (!cur.selection())
 423                                 cur.resetAnchor();
 424                         needsUpdate = cursorBottom(cur);
 425                         finishChange(cur, true);
 426                 } else {
 427                         cur.undispatched();
 428                 }
 429                 break;
 430
 431         case LFUN_RIGHT:
 432         case LFUN_RIGHTSEL:
 433                 //lyxerr << BOOST_CURRENT_FUNCTION
 434                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 435                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 436                 if (isRTL(cur.paragraph()))
 437                         needsUpdate = cursorLeft(cur);
 438                 else
 439                         needsUpdate = cursorRight(cur);
 440
 441                 if (!needsUpdate && oldTopSlice == cur.top()
 442                                 && cur.boundary() == oldBoundary) {
 443                         cur.undispatched();
 444                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 445                 }
 446                 break;
 447
 448         case LFUN_LEFT:
 449         case LFUN_LEFTSEL:
 450                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 451                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 452                 if (isRTL(cur.paragraph()))
 453                         needsUpdate = cursorRight(cur);
 454                 else
 455                         needsUpdate = cursorLeft(cur);
 456
 457                 if (!needsUpdate && oldTopSlice == cur.top()
 458                         && cur.boundary() == oldBoundary) {
 459                         cur.undispatched();
 460                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 461                 }
 462                 break;
 463
 464         case LFUN_UP:
 465         case LFUN_UPSEL:
 466                 update(cur);
 467                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 468                 cur.selHandle(cmd.action == LFUN_UPSEL);
 469
 470                 needsUpdate = cursorUp(cur);
 471                 if (!needsUpdate && oldTopSlice == cur.top()
 472                           && cur.boundary() == oldBoundary) {
 473                         cur.undispatched();
 474                         cmd = FuncRequest(LFUN_FINISHED_UP);
 475                 }
 476                 break;
 477
 478         case LFUN_DOWN:
 479         case LFUN_DOWNSEL:
 480                 update(cur);
 481                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 482                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 483                 needsUpdate = cursorDown(cur);
 484                 if (!needsUpdate && oldTopSlice == cur.top() &&
 485                     cur.boundary() == oldBoundary)
 486                 {
 487                         cur.undispatched();
 488                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 489                 }
 490                 break;
 491
 492         case LFUN_UP_PARAGRAPH:
 493                 if (!cur.mark())
 494                         cur.clearSelection();
 495                 needsUpdate = cursorUpParagraph(cur);
 496                 finishChange(cur, false);
 497                 break;
 498
 499         case LFUN_UP_PARAGRAPHSEL:
 500                 if (!cur.selection())
 501                         cur.resetAnchor();
 502                 cursorUpParagraph(cur);
 503                 finishChange(cur, true);
 504                 break;
 505
 506         case LFUN_DOWN_PARAGRAPH:
 507                 if (!cur.mark())
 508                         cur.clearSelection();
 509                 needsUpdate = cursorDownParagraph(cur);
 510                 finishChange(cur, false);
 511                 break;
 512
 513         case LFUN_DOWN_PARAGRAPHSEL:
 514                 if (!cur.selection())
 515                         cur.resetAnchor();
 516                 cursorDownParagraph(cur);
 517                 finishChange(cur, true);
 518                 break;
 519
 520         case LFUN_PRIORSEL:
 521                 update(cur);
 522                 if (!cur.selection())
 523                         cur.resetAnchor();
 524                 needsUpdate = cursorPrevious(cur);
 525                 finishChange(cur, true);
 526                 break;
 527
 528         case LFUN_NEXTSEL:
 529                 update(cur);
 530                 if (!cur.selection())
 531                         cur.resetAnchor();
 532                 needsUpdate = cursorNext(cur);
 533                 finishChange(cur, true);
 534                 break;
 535
 536         case LFUN_HOMESEL:
 537                 update(cur);
 538                 if (!cur.selection())
 539                         cur.resetAnchor();
 540                 needsUpdate = cursorHome(cur);
 541                 finishChange(cur, true);
 542                 break;
 543
 544         case LFUN_ENDSEL:
 545                 update(cur);
 546                 if (!cur.selection())
 547                         cur.resetAnchor();
 548                 needsUpdate = cursorEnd(cur);
 549                 finishChange(cur, true);
 550                 break;
 551
 552         case LFUN_WORDRIGHTSEL:
 553                 if (!cur.selection())
 554                         cur.resetAnchor();
 555                 if (isRTL(cur.paragraph()))
 556                         cursorLeftOneWord(cur);
 557                 else
 558                         cursorRightOneWord(cur);
 559                 finishChange(cur, true);
 560                 break;
 561
 562         case LFUN_WORDLEFTSEL:
 563                 if (!cur.selection())
 564                         cur.resetAnchor();
 565                 if (isRTL(cur.paragraph()))
 566                         cursorRightOneWord(cur);
 567                 else
 568                         cursorLeftOneWord(cur);
 569                 finishChange(cur, true);
 570                 break;
 571
 572         case LFUN_WORDSEL: {
 573                 selectWord(cur, lyx::WHOLE_WORD);
 574                 finishChange(cur, true);
 575                 break;
 576         }
 577
 578         case LFUN_PRIOR:
 579                 update(cur);
 580                 if (!cur.mark())
 581                         cur.clearSelection();
 582                 finishChange(cur, false);
 583                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 584                         cur.undispatched();
 585                         cmd = FuncRequest(LFUN_FINISHED_UP);
 586                 } else {
 587                         needsUpdate = cursorPrevious(cur);
 588                 }
 589                 break;
 590
 591         case LFUN_NEXT:
 592                 update(cur);
 593                 if (!cur.mark())
 594                         cur.clearSelection();
 595                 finishChange(cur, false);
 596                 if (cur.pit() == cur.lastpit()
 597                           && cur.textRow().endpos() == cur.lastpos()) {
 598                         cur.undispatched();
 599                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 600                 } else {
 601                         needsUpdate = cursorNext(cur);
 602                 }
 603                 break;
 604
 605         case LFUN_HOME:
 606                 if (!cur.mark())
 607                         cur.clearSelection();
 608                 needsUpdate = cursorHome(cur);
 609                 finishChange(cur, false);
 610                 break;
 611
 612         case LFUN_END:
 613                 if (!cur.mark())
 614                         cur.clearSelection();
 615                 needsUpdate = cursorEnd(cur);
 616                 finishChange(cur, false);
 617                 break;
 618
 619         case LFUN_BREAKLINE: {
 620                 // Not allowed by LaTeX (labels or empty par)
 621                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 622                         lyx::cap::replaceSelection(cur);
 623                         cur.insert(new InsetNewline);
 624                         cur.posRight();
 625                         moveCursor(cur, false);
 626                 }
 627                 break;
 628         }
 629
 630         case LFUN_DELETE:
 631                 if (!cur.selection()) {
 632                         if (cur.pos() == cur.paragraph().size())
 633                                 // Par boundary, force full-screen update
 634                                 singleParUpdate = false;
 635                         needsUpdate = erase(cur);
 636                         cur.resetAnchor();
 637                         // It is possible to make it a lot faster still
 638                         // just comment out the line below...
 639                 } else {
 640                         cutSelection(cur, true, false);
 641                         singleParUpdate = false;
 642                 }
 643                 moveCursor(cur, false);
 644                 break;
 645
 646         case LFUN_DELETE_SKIP:
 647                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 648                 if (!cur.selection()) {
 649                         if (cur.pos() == cur.lastpos()) {
 650                                 cursorRight(cur);
 651                                 cursorLeft(cur);
 652                         }
 653                         erase(cur);
 654                         cur.resetAnchor();
 655                 } else {
 656                         cutSelection(cur, true, false);
 657                 }
 658                 break;
 659
 660
 661         case LFUN_BACKSPACE:
 662                 if (!cur.selection()) {
 663                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 664                                 // Par boundary, full-screen update
 665                                 if (cur.pos() == 0)
 666                                         singleParUpdate = false;
 667                                 needsUpdate = backspace(cur);
 668                                 cur.resetAnchor();
 669                                 // It is possible to make it a lot faster still
 670                                 // just comment out the line below...
 671                         }
 672                 } else {
 673                         cutSelection(cur, true, false);
 674                         singleParUpdate = false;
 675                 }
 676                 bv->switchKeyMap();
 677                 break;
 678
 679         case LFUN_BACKSPACE_SKIP:
 680                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 681                 if (!cur.selection()) {
 682 #ifdef WITH_WARNINGS
 683 #warning look here
 684 #endif
 685                         //CursorSlice cur = cursor();
 686                         backspace(cur);
 687                         //anchor() = cur;
 688                 } else {
 689                         cutSelection(cur, true, false);
 690                 }
 691                 break;
 692
 693         case LFUN_BREAKPARAGRAPH:
 694                 lyx::cap::replaceSelection(cur);
 695                 breakParagraph(cur, 0);
 696                 cur.resetAnchor();
 697                 bv->switchKeyMap();
 698                 break;
 699
 700         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 701                 lyx::cap::replaceSelection(cur);
 702                 breakParagraph(cur, 1);
 703                 cur.resetAnchor();
 704                 bv->switchKeyMap();
 705                 break;
 706
 707         case LFUN_BREAKPARAGRAPH_SKIP: {
 708                 // When at the beginning of a paragraph, remove
 709                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 710                 lyx::cap::replaceSelection(cur);
 711                 if (cur.pos() == 0)
 712                         cur.paragraph().params().labelWidthString(string());
 713                 else
 714                         breakParagraph(cur, 0);
 715                 cur.resetAnchor();
 716                 bv->switchKeyMap();
 717                 break;
 718         }
 719
 720         case LFUN_PARAGRAPH_SPACING: {
 721                 Paragraph & par = cur.paragraph();
 722                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 723                 string cur_value = "1.0";
 724                 if (cur_spacing == Spacing::Other)
 725                         cur_value = par.params().spacing().getValueAsString();
 726
 727                 istringstream is(cmd.argument);
 728                 string tmp;
 729                 is >> tmp;
 730                 Spacing::Space new_spacing = cur_spacing;
 731                 string new_value = cur_value;
 732                 if (tmp.empty()) {
 733                         lyxerr << "Missing argument to `paragraph-spacing'"
 734                                << endl;
 735                 } else if (tmp == "single") {
 736                         new_spacing = Spacing::Single;
 737                 } else if (tmp == "onehalf") {
 738                         new_spacing = Spacing::Onehalf;
 739                 } else if (tmp == "double") {
 740                         new_spacing = Spacing::Double;
 741                 } else if (tmp == "other") {
 742                         new_spacing = Spacing::Other;
 743                         string tmpval = "0.0";
 744                         is >> tmpval;
 745                         lyxerr << "new_value = " << tmpval << endl;
 746                         if (tmpval != "0.0")
 747                                 new_value = tmpval;
 748                 } else if (tmp == "default") {
 749                         new_spacing = Spacing::Default;
 750                 } else {
 751                         lyxerr << _("Unknown spacing argument: ")
 752                                << cmd.argument << endl;
 753                 }
 754                 if (cur_spacing != new_spacing || cur_value != new_value)
 755                         par.params().spacing(Spacing(new_spacing, new_value));
 756                 break;
 757         }
 758
 759         case LFUN_INSET_INSERT: {
 760                 recordUndo(cur);
 761                 InsetBase * inset = createInset(bv, cmd);
 762                 if (inset) {
 763                         insertInset(cur, inset);
 764                         cur.posRight();
 765                 }
 766                 break;
 767         }
 768
 769         case LFUN_INSET_SETTINGS:
 770                 cur.inset().showInsetDialog(bv);
 771                 break;
 772
 773         case LFUN_NEXT_INSET_TOGGLE: {
 774                 InsetBase * inset = cur.nextInset();
 775                 // this is the real function we want to invoke
 776                 cmd = FuncRequest(LFUN_INSET_TOGGLE);
 777                 cur.undispatched();
 778                 // if there is an inset at cursor, see whether it
 779                 // wants to toggle.
 780                 if (inset) {
 781                         LCursor tmpcur = cur;
 782                         tmpcur.pushLeft(*inset);
 783                         inset->dispatch(tmpcur, cmd);
 784                         if (tmpcur.result().dispatched()) {
 785                                 cur.clearSelection();
 786                                 cur.dispatched();
 787                         }
 788                 }
 789                 // if it did not work, try the underlying inset.
 790                 if (!cur.result().dispatched())
 791                         cur.inset().dispatch(cur, cmd);
 792                 break;
 793         }
 794
 795         case LFUN_SPACE_INSERT:
 796                 if (cur.paragraph().layout()->free_spacing)
 797                         insertChar(cur, ' ');
 798                 else {
 799                         doInsertInset(cur, this, cmd, false, false);
 800                         cur.posRight();
 801                 }
 802                 moveCursor(cur, false);
 803                 break;
 804
 805         case LFUN_HYPHENATION:
 806                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 807                 break;
 808
 809         case LFUN_LIGATURE_BREAK:
 810                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 811                 break;
 812
 813         case LFUN_LDOTS:
 814                 specialChar(cur, InsetSpecialChar::LDOTS);
 815                 break;
 816
 817         case LFUN_END_OF_SENTENCE:
 818                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 819                 break;
 820
 821         case LFUN_MENU_SEPARATOR:
 822                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 823                 break;
 824
 825         case LFUN_UPCASE_WORD:
 826                 changeCase(cur, LyXText::text_uppercase);
 827                 break;
 828
 829         case LFUN_LOWCASE_WORD:
 830                 changeCase(cur, LyXText::text_lowercase);
 831                 break;
 832
 833         case LFUN_CAPITALIZE_WORD:
 834                 changeCase(cur, LyXText::text_capitalization);
 835                 break;
 836
 837         case LFUN_TRANSPOSE_CHARS:
 838                 recordUndo(cur);
 839                 break;
 840
 841         case LFUN_PASTE:
 842                 cur.message(_("Paste"));
 843                 lyx::cap::replaceSelection(cur);
 844                 if (isStrUnsignedInt(cmd.argument))
 845                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 846                 else
 847                         pasteSelection(cur, 0);
 848                 cur.clearSelection(); // bug 393
 849                 bv->switchKeyMap();
 850                 finishUndo();
 851                 break;
 852
 853         case LFUN_CUT:
 854                 cutSelection(cur, true, true);
 855                 cur.message(_("Cut"));
 856                 break;
 857
 858         case LFUN_COPY:
 859                 copySelection(cur);
 860                 cur.message(_("Copy"));
 861                 break;
 862
 863         case LFUN_GETXY:
 864                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 865                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 866                 break;
 867
 868         case LFUN_SETXY: {
 869                 int x = 0;
 870                 int y = 0;
 871                 istringstream is(cmd.argument);
 872                 is >> x >> y;
 873                 if (!is)
 874                         lyxerr << "SETXY: Could not parse coordinates in '"
 875                                << cmd.argument << std::endl;
 876                 else
 877                         setCursorFromCoordinates(cur, x, y);
 878                 break;
 879         }
 880
 881         case LFUN_GETFONT:
 882                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 883                         cur.message("E");
 884                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 885                         cur.message("N");
 886                 else
 887                         cur.message("0");
 888                 break;
 889
 890         case LFUN_GETLAYOUT:
 891                 cur.message(cur.paragraph().layout()->name());
 892                 break;
 893
 894         case LFUN_LAYOUT: {
 895                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 896                   << cmd.argument << endl;
 897
 898                 // This is not the good solution to the empty argument
 899                 // problem, but it will hopefully suffice for 1.2.0.
 900                 // The correct solution would be to augument the
 901                 // function list/array with information about what
 902                 // functions needs arguments and their type.
 903                 if (cmd.argument.empty()) {
 904                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 905                         break;
 906                 }
 907
 908                 // Derive layout number from given argument (string)
 909                 // and current buffer's textclass (number)
 910                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 911                 bool hasLayout = tclass.hasLayout(cmd.argument);
 912                 string layout = cmd.argument;
 913
 914                 // If the entry is obsolete, use the new one instead.
 915                 if (hasLayout) {
 916                         string const & obs = tclass[layout]->obsoleted_by();
 917                         if (!obs.empty())
 918                                 layout = obs;
 919                 }
 920
 921                 if (!hasLayout) {
 922                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 923                                 N_(" not known"));
 924                         break;
 925                 }
 926
 927                 bool change_layout = (current_layout != layout);
 928
 929                 if (!change_layout && cur.selection() &&
 930                         cur.selBegin().pit() != cur.selEnd().pit())
 931                 {
 932                         pit_type spit = cur.selBegin().pit();
 933                         pit_type epit = cur.selEnd().pit() + 1;
 934                         while (spit != epit) {
 935                                 if (pars_[spit].layout()->name() != current_layout) {
 936                                         change_layout = true;
 937                                         break;
 938                                 }
 939                                 ++spit;
 940                         }
 941                 }
 942
 943                 if (change_layout) {
 944                         current_layout = layout;
 945                         setLayout(cur, layout);
 946                         bv->owner()->setLayout(layout);
 947                         bv->switchKeyMap();
 948                 }
 949                 break;
 950         }
 951
 952         case LFUN_PASTESELECTION: {
 953                 cur.clearSelection();
 954                 string const clip = bv->getClipboard();
 955                 if (!clip.empty()) {
 956                         recordUndo(cur);
 957                         if (cmd.argument == "paragraph")
 958                                 insertStringAsParagraphs(cur, clip);
 959                         else
 960                                 insertStringAsLines(cur, clip);
 961                 }
 962                 break;
 963         }
 964
 965         case LFUN_QUOTE: {
 966                 lyx::cap::replaceSelection(cur);
 967                 Paragraph & par = cur.paragraph();
 968                 lyx::pos_type pos = cur.pos();
 969                 lyx::char_type c;
 970                 if (pos == 0)
 971                         c = ' ';
 972                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 973                         c = ' ';
 974                 else
 975                         c = par.getChar(pos - 1);
 976
 977                 LyXLayout_ptr const & style = par.layout();
 978
 979                 BufferParams const & bufparams = bv->buffer()->params();
 980                 if (!style->pass_thru
 981                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 982                         string arg = cmd.argument;
 983                         if (arg == "single")
 984                                 cur.insert(new InsetQuotes(c,
 985                                     bufparams.quotes_language,
 986                                     InsetQuotes::SingleQ));
 987                         else
 988                                 cur.insert(new InsetQuotes(c,
 989                                     bufparams.quotes_language,
 990                                     InsetQuotes::DoubleQ));
 991                         cur.posRight();
 992                 }
 993                 else
 994                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 995                 break;
 996         }
 997
 998         case LFUN_DATE_INSERT:
 999                 if (cmd.argument.empty())
1000                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
1001                                 lyx::formatted_time(lyx::current_time())));
1002                 else
1003                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
1004                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
1005                 break;
1006
1007         case LFUN_MOUSE_TRIPLE:
1008                 if (cmd.button() == mouse_button::button1) {
1009                         cursorHome(cur);
1010                         cur.resetAnchor();
1011                         cursorEnd(cur);
1012                         cur.setSelection();
1013                         bv->cursor() = cur;
1014                         bv->haveSelection(cur.selection());
1015                 }
1016                 break;
1017
1018         case LFUN_MOUSE_DOUBLE:
1019                 if (cmd.button() == mouse_button::button1) {
1020                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1021                         bv->cursor() = cur;
1022                         bv->haveSelection(cur.selection());
1023                 }
1024                 break;
1025
1026         // Single-click on work area
1027         case LFUN_MOUSE_PRESS: {
1028                 // Right click on a footnote flag opens float menu
1029                 if (cmd.button() == mouse_button::button3)
1030                         cur.clearSelection();
1031
1032                 // Middle button press pastes if we have a selection
1033                 // We do this here as if the selection was inside an inset
1034                 // it could get cleared on the unlocking of the inset so
1035                 // we have to check this first
1036                 bool paste_internally = false;
1037                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1038                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1039                         paste_internally = true;
1040                 }
1041
1042                 bv->mouseSetCursor(cur);
1043
1044                 // Insert primary selection with middle mouse
1045                 // if there is a local selection in the current buffer,
1046                 // insert this
1047                 if (cmd.button() == mouse_button::button2) {
1048                         if (paste_internally)
1049                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1050                         else
1051                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1052                 }
1053
1054                 break;
1055         }
1056
1057         case LFUN_MOUSE_MOTION: {
1058                 // Only use motion with button 1
1059                 //if (cmd.button() != mouse_button::button1)
1060                 //      return false;
1061
1062                 // ignore motions deeper nested than the real anchor
1063                 LCursor & bvcur = cur.bv().cursor();
1064                 if (bvcur.anchor_.hasPart(cur)) {
1065                         CursorSlice old = bvcur.top();
1066
1067                         int const wh = bv->workHeight();
1068                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1069
1070                         setCursorFromCoordinates(cur, cmd.x, y);
1071                         cur.x_target() = cmd.x;
1072                         if (cmd.y >= wh)
1073                                 cursorDown(cur);
1074                         else if (cmd.y < 0)
1075                                 cursorUp(cur);
1076                         // This is to allow jumping over large insets
1077                         if (cur.top() == old) {
1078                                 if (cmd.y >= wh)
1079                                         cursorDown(cur);
1080                                 else if (cmd.y < 0)
1081                                         cursorUp(cur);
1082                         }
1083
1084                         if (cur.top() == old)
1085                                 cur.noUpdate();
1086                         else {
1087                                 // don't set anchor_
1088                                 bvcur.setCursor(cur);
1089                                 bvcur.selection() = true;
1090                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1091                         }
1092
1093                 } else
1094                         cur.undispatched();
1095                 break;
1096         }
1097
1098         case LFUN_MOUSE_RELEASE: {
1099                 if (cmd.button() == mouse_button::button2)
1100                         break;
1101
1102                 // finish selection
1103                 if (cmd.button() == mouse_button::button1)
1104                         bv->haveSelection(cur.selection());
1105
1106                 bv->switchKeyMap();
1107                 bv->owner()->updateMenubar();
1108                 bv->owner()->updateToolbars();
1109                 break;
1110         }
1111
1112         case LFUN_SELFINSERT: {
1113                 if (cmd.argument.empty())
1114                         break;
1115
1116                 // Automatically delete the currently selected
1117                 // text and replace it with what is being
1118                 // typed in now. Depends on lyxrc settings
1119                 // "auto_region_delete", which defaults to
1120                 // true (on).
1121
1122                 if (lyxrc.auto_region_delete) {
1123                         if (cur.selection())
1124                                 cutSelection(cur, false, false);
1125                         bv->haveSelection(false);
1126                 }
1127
1128                 cur.clearSelection();
1129                 LyXFont const old_font = real_current_font;
1130
1131                 string::const_iterator cit = cmd.argument.begin();
1132                 string::const_iterator end = cmd.argument.end();
1133                 for (; cit != end; ++cit)
1134                         bv->owner()->getIntl().getTransManager().
1135                                 translateAndInsert(*cit, this);
1136
1137                 cur.resetAnchor();
1138                 moveCursor(cur, false);
1139                 bv->updateScrollbar();
1140                 break;
1141         }
1142
1143         case LFUN_URL: {
1144                 InsetCommandParams p("url");
1145                 string const data = InsetCommandMailer::params2string("url", p);
1146                 bv->owner()->getDialogs().show("url", data, 0);
1147                 break;
1148         }
1149
1150         case LFUN_HTMLURL: {
1151                 InsetCommandParams p("htmlurl");
1152                 string const data = InsetCommandMailer::params2string("url", p);
1153                 bv->owner()->getDialogs().show("url", data, 0);
1154                 break;
1155         }
1156
1157         case LFUN_INSERT_LABEL: {
1158                 // Try to generate a valid label
1159                 string const contents = cmd.argument.empty() ?
1160                         cur.getPossibleLabel() : cmd.argument;
1161
1162                 InsetCommandParams p("label", contents);
1163                 string const data = InsetCommandMailer::params2string("label", p);
1164
1165                 if (cmd.argument.empty()) {
1166                         bv->owner()->getDialogs().show("label", data, 0);
1167                 } else {
1168                         FuncRequest fr(LFUN_INSET_INSERT, data);
1169                         dispatch(cur, fr);
1170                 }
1171                 break;
1172         }
1173
1174
1175 #if 0
1176         case LFUN_INSET_LIST:
1177         case LFUN_INSET_THEOREM:
1178         case LFUN_INSET_CAPTION:
1179 #endif
1180         case LFUN_INSERT_NOTE:
1181         case LFUN_INSERT_CHARSTYLE:
1182         case LFUN_INSERT_BOX:
1183         case LFUN_INSERT_BRANCH:
1184         case LFUN_INSERT_BIBITEM:
1185         case LFUN_INSET_ERT:
1186         case LFUN_INSET_FOOTNOTE:
1187         case LFUN_INSET_MARGINAL:
1188         case LFUN_INSET_OPTARG:
1189         case LFUN_ENVIRONMENT_INSERT:
1190                 // Open the inset, and move the current selection
1191                 // inside it.
1192                 doInsertInset(cur, this, cmd, true, true);
1193                 cur.posRight();
1194                 break;
1195
1196         case LFUN_TABULAR_INSERT:
1197                 // if there were no arguments, just open the dialog
1198                 if (doInsertInset(cur, this, cmd, false, true))
1199                         cur.posRight();
1200                 else
1201                         bv->owner()->getDialogs().show("tabularcreate");
1202
1203                 break;
1204
1205         case LFUN_INSET_FLOAT:
1206         case LFUN_INSET_WIDE_FLOAT:
1207         case LFUN_INSET_WRAP:
1208                 doInsertInset(cur, this, cmd, true, true);
1209                 cur.posRight();
1210                 // FIXME: the "Caption" name should not be hardcoded,
1211                 // but given by the float definition.
1212                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1213                 break;
1214
1215         case LFUN_INDEX_INSERT: {
1216                 InsetBase * inset = createInset(&cur.bv(), cmd);
1217                 if (!inset)
1218                         break;
1219
1220                 recordUndo(cur);
1221                 cur.clearSelection();
1222                 insertInset(cur, inset);
1223                 inset->edit(cur, true);
1224                 cur.posRight();
1225                 break;
1226         }
1227
1228         case LFUN_INDEX_PRINT:
1229         case LFUN_TOC_INSERT:
1230         case LFUN_HFILL:
1231         case LFUN_INSERT_LINE:
1232         case LFUN_INSERT_PAGEBREAK:
1233                 // do nothing fancy
1234                 doInsertInset(cur, this, cmd, false, false);
1235                 cur.posRight();
1236                 break;
1237
1238         case LFUN_DEPTH_MIN:
1239                 changeDepth(cur, DEC_DEPTH);
1240                 break;
1241
1242         case LFUN_DEPTH_PLUS:
1243                 changeDepth(cur, INC_DEPTH);
1244                 break;
1245
1246         case LFUN_MATH_DISPLAY:
1247                 mathDispatch(cur, cmd, true);
1248                 break;
1249
1250         case LFUN_MATH_IMPORT_SELECTION:
1251         case LFUN_MATH_MODE:
1252                 if (cmd.argument == "on")
1253                         // don't pass "on" as argument
1254                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1255                 else
1256                         mathDispatch(cur, cmd, false);
1257                 break;
1258
1259         case LFUN_MATH_MACRO:
1260                 if (cmd.argument.empty())
1261                         cur.errorMessage(N_("Missing argument"));
1262                 else {
1263                         string s = cmd.argument;
1264                         string const s1 = token(s, ' ', 1);
1265                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1266                         string const s2 = token(s, ' ', 2);
1267                         string const type = s2.empty() ? "newcommand" : s2;
1268                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1269                         //cur.nextInset()->edit(cur, true);
1270                 }
1271                 break;
1272
1273         // passthrough hat and underscore outside mathed:
1274         case LFUN_SUBSCRIPT:
1275                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1276                 break;
1277         case LFUN_SUPERSCRIPT:
1278                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1279                 break;
1280
1281         case LFUN_INSERT_MATH:
1282         case LFUN_INSERT_MATRIX:
1283         case LFUN_MATH_DELIM: {
1284                 cur.insert(new MathHullInset("simple"));
1285                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1286                 cur.dispatch(cmd);
1287                 break;
1288         }
1289
1290         case LFUN_EMPH: {
1291                 LyXFont font(LyXFont::ALL_IGNORE);
1292                 font.setEmph(LyXFont::TOGGLE);
1293                 toggleAndShow(cur, this, font);
1294                 break;
1295         }
1296
1297         case LFUN_BOLD: {
1298                 LyXFont font(LyXFont::ALL_IGNORE);
1299                 font.setSeries(LyXFont::BOLD_SERIES);
1300                 toggleAndShow(cur, this, font);
1301                 break;
1302         }
1303
1304         case LFUN_NOUN: {
1305                 LyXFont font(LyXFont::ALL_IGNORE);
1306                 font.setNoun(LyXFont::TOGGLE);
1307                 toggleAndShow(cur, this, font);
1308                 break;
1309         }
1310
1311         case LFUN_CODE: {
1312                 LyXFont font(LyXFont::ALL_IGNORE);
1313                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1314                 toggleAndShow(cur, this, font);
1315                 break;
1316         }
1317
1318         case LFUN_SANS: {
1319                 LyXFont font(LyXFont::ALL_IGNORE);
1320                 font.setFamily(LyXFont::SANS_FAMILY);
1321                 toggleAndShow(cur, this, font);
1322                 break;
1323         }
1324
1325         case LFUN_ROMAN: {
1326                 LyXFont font(LyXFont::ALL_IGNORE);
1327                 font.setFamily(LyXFont::ROMAN_FAMILY);
1328                 toggleAndShow(cur, this, font);
1329                 break;
1330         }
1331
1332         case LFUN_DEFAULT: {
1333                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1334                 toggleAndShow(cur, this, font);
1335                 break;
1336         }
1337
1338         case LFUN_UNDERLINE: {
1339                 LyXFont font(LyXFont::ALL_IGNORE);
1340                 font.setUnderbar(LyXFont::TOGGLE);
1341                 toggleAndShow(cur, this, font);
1342                 break;
1343         }
1344
1345         case LFUN_FONT_SIZE: {
1346                 LyXFont font(LyXFont::ALL_IGNORE);
1347                 font.setLyXSize(cmd.argument);
1348                 toggleAndShow(cur, this, font);
1349                 break;
1350         }
1351
1352         case LFUN_LANGUAGE: {
1353                 Language const * lang = languages.getLanguage(cmd.argument);
1354                 if (!lang)
1355                         break;
1356                 LyXFont font(LyXFont::ALL_IGNORE);
1357                 font.setLanguage(lang);
1358                 toggleAndShow(cur, this, font);
1359                 bv->switchKeyMap();
1360                 break;
1361         }
1362
1363         case LFUN_FREEFONT_APPLY:
1364                 toggleAndShow(cur, this, freefont, toggleall);
1365                 cur.message(_("Character set"));
1366                 break;
1367
1368         // Set the freefont using the contents of \param data dispatched from
1369         // the frontends and apply it at the current cursor location.
1370         case LFUN_FREEFONT_UPDATE: {
1371                 LyXFont font;
1372                 bool toggle;
1373                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1374                         freefont = font;
1375                         toggleall = toggle;
1376                         toggleAndShow(cur, this, freefont, toggleall);
1377                         cur.message(_("Character set"));
1378                 }
1379                 break;
1380         }
1381
1382         case LFUN_FINISHED_LEFT:
1383                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1384                 break;
1385
1386         case LFUN_FINISHED_RIGHT:
1387                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1388                 ++cur.pos();
1389                 break;
1390
1391         case LFUN_FINISHED_UP:
1392                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1393                 cursorUp(cur);
1394                 break;
1395
1396         case LFUN_FINISHED_DOWN:
1397                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1398                 cursorDown(cur);
1399                 break;
1400
1401         case LFUN_LAYOUT_PARAGRAPH: {
1402                 string data;
1403                 params2string(cur.paragraph(), data);
1404                 data = "show\n" + data;
1405                 bv->owner()->getDialogs().show("paragraph", data);
1406                 break;
1407         }
1408
1409         case LFUN_PARAGRAPH_UPDATE: {
1410                 if (!bv->owner()->getDialogs().visible("paragraph"))
1411                         break;
1412                 string data;
1413                 params2string(cur.paragraph(), data);
1414
1415                 // Will the paragraph accept changes from the dialog?
1416                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1417
1418                 data = "update " + convert<string>(accept) + '\n' + data;
1419                 bv->owner()->getDialogs().update("paragraph", data);
1420                 break;
1421         }
1422
1423         case LFUN_UMLAUT:
1424         case LFUN_CIRCUMFLEX:
1425         case LFUN_GRAVE:
1426         case LFUN_ACUTE:
1427         case LFUN_TILDE:
1428         case LFUN_CEDILLA:
1429         case LFUN_MACRON:
1430         case LFUN_DOT:
1431         case LFUN_UNDERDOT:
1432         case LFUN_UNDERBAR:
1433         case LFUN_CARON:
1434         case LFUN_SPECIAL_CARON:
1435         case LFUN_BREVE:
1436         case LFUN_TIE:
1437         case LFUN_HUNG_UMLAUT:
1438         case LFUN_CIRCLE:
1439         case LFUN_OGONEK:
1440                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1441                 if (!cmd.argument.empty())
1442                         bv->owner()->getIntl().getTransManager()
1443                                 .translateAndInsert(cmd.argument[0], this);
1444                 break;
1445
1446         case LFUN_FLOAT_LIST: {
1447                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1448                 if (tclass.floats().typeExist(cmd.argument)) {
1449                         // not quite sure if we want this...
1450                         recordUndo(cur);
1451                         cur.clearSelection();
1452                         breakParagraph(cur);
1453
1454                         if (cur.lastpos() != 0) {
1455                                 cursorLeft(cur);
1456                                 breakParagraph(cur);
1457                         }
1458
1459                         setLayout(cur, tclass.defaultLayoutName());
1460                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1461                         insertInset(cur, new InsetFloatList(cmd.argument));
1462                         cur.posRight();
1463                 } else {
1464                         lyxerr << "Non-existent float type: "
1465                                << cmd.argument << endl;
1466                 }
1467                 break;
1468         }
1469
1470         case LFUN_ACCEPT_CHANGE: {
1471                 acceptChange(cur);
1472                 break;
1473         }
1474
1475         case LFUN_REJECT_CHANGE: {
1476                 rejectChange(cur);
1477                 break;
1478         }
1479
1480         case LFUN_THESAURUS_ENTRY: {
1481                 string arg = cmd.argument;
1482                 if (arg.empty()) {
1483                         arg = cur.selectionAsString(false);
1484                         // FIXME
1485                         if (arg.size() > 100 || arg.empty()) {
1486                                 // Get word or selection
1487                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1488                                 arg = cur.selectionAsString(false);
1489                         }
1490                 }
1491                 bv->owner()->getDialogs().show("thesaurus", arg);
1492                 break;
1493         }
1494
1495         case LFUN_PARAGRAPH_APPLY: {
1496                 // Given data, an encoding of the ParagraphParameters
1497                 // generated in the Paragraph dialog, this function sets
1498                 // the current paragraph appropriately.
1499                 istringstream is(cmd.argument);
1500                 LyXLex lex(0, 0);
1501                 lex.setStream(is);
1502                 ParagraphParameters params;
1503                 params.read(lex);
1504                 setParagraph(cur,
1505                                          params.spacing(),
1506                                          params.align(),
1507                                          params.labelWidthString(),
1508                                          params.noindent());
1509                 cur.message(_("Paragraph layout set"));
1510                 break;
1511         }
1512
1513         case LFUN_INSET_DIALOG_SHOW: {
1514                 InsetBase * inset = cur.nextInset();
1515                 if (inset) {
1516                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1517                         inset->dispatch(cur, fr);
1518                 }
1519                 break;
1520         }
1521
1522         case LFUN_ESCAPE:
1523                 if (cur.selection()) {
1524                         cur.selection() = false;
1525                 } else {
1526                         cur.undispatched();
1527                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1528                 }
1529                 break;
1530
1531         default:
1532                 lyxerr[Debug::ACTION]
1533                         << BOOST_CURRENT_FUNCTION
1534                         << ": Command " << cmd
1535                         << " not DISPATCHED by LyXText" << endl;
1536                 cur.undispatched();
1537                 break;
1538         }
1539
1540         if (singleParUpdate)
1541                 // Inserting characters does not change par height
1542                 if (cur.bottom().paragraph().dim().height()
1543                     == olddim.height()) {
1544                         // if so, update _only_ this paragraph
1545                         cur.bv().update(Update::SinglePar |
1546                                         Update::FitCursor |
1547                                         Update::MultiParSel);
1548                         cur.noUpdate();
1549                         return;
1550                 } else
1551                         needsUpdate = true;
1552         if (!needsUpdate
1553             && &oldTopSlice.inset() == &cur.inset()
1554             && oldTopSlice.idx() == cur.idx()
1555             && !sel
1556             && !cur.selection())
1557                 cur.noUpdate();
1558         else
1559                 cur.needsUpdate();
1560 }
1561
1562
1563 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1564                         FuncStatus & flag) const
1565 {
1566         BOOST_ASSERT(cur.text() == this);
1567
1568         LyXFont const & font = real_current_font;
1569         bool enable = true;
1570         InsetBase::Code code = InsetBase::NO_CODE;
1571
1572         switch (cmd.action) {
1573
1574         case LFUN_DEPTH_MIN:
1575                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1576                 break;
1577
1578         case LFUN_DEPTH_PLUS:
1579                 enable = changeDepthAllowed(cur, INC_DEPTH);
1580                 break;
1581
1582         case LFUN_APPENDIX:
1583                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1584                 return true;
1585
1586         case LFUN_INSERT_BIBITEM:
1587                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1588                 break;
1589
1590         case LFUN_DIALOG_SHOW_NEW_INSET:
1591                 if (cmd.argument == "bibitem")
1592                         code = InsetBase::BIBITEM_CODE;
1593                 else if (cmd.argument == "bibtex")
1594                         code = InsetBase::BIBTEX_CODE;
1595                 else if (cmd.argument == "box")
1596                         code = InsetBase::BOX_CODE;
1597                 else if (cmd.argument == "branch")
1598                         code = InsetBase::BRANCH_CODE;
1599                 else if (cmd.argument == "citation")
1600                         code = InsetBase::CITE_CODE;
1601                 else if (cmd.argument == "ert")
1602                         code = InsetBase::ERT_CODE;
1603                 else if (cmd.argument == "external")
1604                         code = InsetBase::EXTERNAL_CODE;
1605                 else if (cmd.argument == "float")
1606                         code = InsetBase::FLOAT_CODE;
1607                 else if (cmd.argument == "graphics")
1608                         code = InsetBase::GRAPHICS_CODE;
1609                 else if (cmd.argument == "include")
1610                         code = InsetBase::INCLUDE_CODE;
1611                 else if (cmd.argument == "index")
1612                         code = InsetBase::INDEX_CODE;
1613                 else if (cmd.argument == "label")
1614                         code = InsetBase::LABEL_CODE;
1615                 else if (cmd.argument == "note")
1616                         code = InsetBase::NOTE_CODE;
1617                 else if (cmd.argument == "ref")
1618                         code = InsetBase::REF_CODE;
1619                 else if (cmd.argument == "toc")
1620                         code = InsetBase::TOC_CODE;
1621                 else if (cmd.argument == "url")
1622                         code = InsetBase::URL_CODE;
1623                 else if (cmd.argument == "vspace")
1624                         code = InsetBase::VSPACE_CODE;
1625                 else if (cmd.argument == "wrap")
1626                         code = InsetBase::WRAP_CODE;
1627                 break;
1628
1629         case LFUN_INSET_ERT:
1630                 code = InsetBase::ERT_CODE;
1631                 break;
1632         case LFUN_INSET_FOOTNOTE:
1633                 code = InsetBase::FOOT_CODE;
1634                 break;
1635         case LFUN_TABULAR_INSERT:
1636                 code = InsetBase::TABULAR_CODE;
1637                 break;
1638         case LFUN_INSET_MARGINAL:
1639                 code = InsetBase::MARGIN_CODE;
1640                 break;
1641         case LFUN_INSET_FLOAT:
1642         case LFUN_INSET_WIDE_FLOAT:
1643                 code = InsetBase::FLOAT_CODE;
1644                 break;
1645         case LFUN_INSET_WRAP:
1646                 code = InsetBase::WRAP_CODE;
1647                 break;
1648         case LFUN_FLOAT_LIST:
1649                 code = InsetBase::FLOAT_LIST_CODE;
1650                 break;
1651 #if 0
1652         case LFUN_INSET_LIST:
1653                 code = InsetBase::LIST_CODE;
1654                 break;
1655         case LFUN_INSET_THEOREM:
1656                 code = InsetBase::THEOREM_CODE;
1657                 break;
1658 #endif
1659         case LFUN_INSET_CAPTION:
1660                 code = InsetBase::CAPTION_CODE;
1661                 break;
1662         case LFUN_INSERT_NOTE:
1663                 code = InsetBase::NOTE_CODE;
1664                 break;
1665         case LFUN_INSERT_CHARSTYLE:
1666                 code = InsetBase::CHARSTYLE_CODE;
1667                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1668                         enable = false;
1669                 break;
1670         case LFUN_INSERT_BOX:
1671                 code = InsetBase::BOX_CODE;
1672                 break;
1673         case LFUN_INSERT_BRANCH:
1674                 code = InsetBase::BRANCH_CODE;
1675                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1676                         enable = false;
1677                 break;
1678         case LFUN_INSERT_LABEL:
1679                 code = InsetBase::LABEL_CODE;
1680                 break;
1681         case LFUN_INSET_OPTARG:
1682                 code = InsetBase::OPTARG_CODE;
1683                 enable = numberOfOptArgs(cur.paragraph())
1684                         < cur.paragraph().layout()->optionalargs;
1685                 break;
1686         case LFUN_ENVIRONMENT_INSERT:
1687                 code = InsetBase::BOX_CODE;
1688                 break;
1689         case LFUN_INDEX_INSERT:
1690                 code = InsetBase::INDEX_CODE;
1691                 break;
1692         case LFUN_INDEX_PRINT:
1693                 code = InsetBase::INDEX_PRINT_CODE;
1694                 break;
1695         case LFUN_TOC_INSERT:
1696                 code = InsetBase::TOC_CODE;
1697                 break;
1698         case LFUN_HTMLURL:
1699         case LFUN_URL:
1700                 code = InsetBase::URL_CODE;
1701                 break;
1702         case LFUN_QUOTE:
1703                 // always allow this, since we will inset a raw quote
1704                 // if an inset is not allowed.
1705                 break;
1706         case LFUN_HYPHENATION:
1707         case LFUN_LIGATURE_BREAK:
1708         case LFUN_HFILL:
1709         case LFUN_MENU_SEPARATOR:
1710         case LFUN_LDOTS:
1711         case LFUN_END_OF_SENTENCE:
1712                 code = InsetBase::SPECIALCHAR_CODE;
1713                 break;
1714         case LFUN_SPACE_INSERT:
1715                 // slight hack: we know this is allowed in math mode
1716                 if (cur.inTexted())
1717                         code = InsetBase::SPACE_CODE;
1718                 break;
1719
1720 #ifdef WITH_WARNINGS
1721 #warning This LFUN is not used anymore and should be nuked (JMarc 29/10/2005)
1722 #endif
1723 #if 0
1724         case LFUN_INSET_DIALOG_SHOW: {
1725                 InsetBase * inset = cur.nextInset();
1726                 enable = inset;
1727                 if (inset) {
1728                         code = inset->lyxCode();
1729                         if (!(code == InsetBase::INCLUDE_CODE
1730                                 || code == InsetBase::BIBTEX_CODE
1731                                 || code == InsetBase::FLOAT_LIST_CODE
1732                                 || code == InsetBase::TOC_CODE))
1733                                 enable = false;
1734                 }
1735                 break;
1736         }
1737 #endif
1738
1739         case LFUN_INSET_MODIFY:
1740                 // We need to disable this, because we may get called for a
1741                 // tabular cell via
1742                 // InsetTabular::getStatus() -> InsetText::getStatus()
1743                 // and we don't handle LFUN_INSET_MODIFY.
1744                 enable = false;
1745                 break;
1746
1747         case LFUN_EMPH:
1748                 flag.setOnOff(font.emph() == LyXFont::ON);
1749                 return true;
1750
1751         case LFUN_NOUN:
1752                 flag.setOnOff(font.noun() == LyXFont::ON);
1753                 return true;
1754
1755         case LFUN_BOLD:
1756                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1757                 return true;
1758
1759         case LFUN_SANS:
1760                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1761                 return true;
1762
1763         case LFUN_ROMAN:
1764                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1765                 return true;
1766
1767         case LFUN_CODE:
1768                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1769                 return true;
1770
1771         case LFUN_CUT:
1772         case LFUN_COPY:
1773                 enable = cur.selection();
1774                 break;
1775
1776         case LFUN_PASTE:
1777                 enable = lyx::cap::numberOfSelections() > 0;
1778                 break;
1779
1780         case LFUN_DELETE_WORD_FORWARD:
1781         case LFUN_DELETE_WORD_BACKWARD:
1782         case LFUN_DELETE_LINE_FORWARD:
1783         case LFUN_WORDRIGHT:
1784         case LFUN_WORDLEFT:
1785         case LFUN_RIGHT:
1786         case LFUN_RIGHTSEL:
1787         case LFUN_LEFT:
1788         case LFUN_LEFTSEL:
1789         case LFUN_UP:
1790         case LFUN_UPSEL:
1791         case LFUN_DOWN:
1792         case LFUN_DOWNSEL:
1793         case LFUN_UP_PARAGRAPHSEL:
1794         case LFUN_DOWN_PARAGRAPHSEL:
1795         case LFUN_PRIORSEL:
1796         case LFUN_NEXTSEL:
1797         case LFUN_HOMESEL:
1798         case LFUN_ENDSEL:
1799         case LFUN_WORDRIGHTSEL:
1800         case LFUN_WORDLEFTSEL:
1801         case LFUN_WORDSEL:
1802         case LFUN_UP_PARAGRAPH:
1803         case LFUN_DOWN_PARAGRAPH:
1804         case LFUN_PRIOR:
1805         case LFUN_NEXT:
1806         case LFUN_HOME:
1807         case LFUN_END:
1808         case LFUN_BREAKLINE:
1809         case LFUN_DELETE:
1810         case LFUN_DELETE_SKIP:
1811         case LFUN_BACKSPACE:
1812         case LFUN_BACKSPACE_SKIP:
1813         case LFUN_BREAKPARAGRAPH:
1814         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1815         case LFUN_BREAKPARAGRAPH_SKIP:
1816         case LFUN_PARAGRAPH_SPACING:
1817         case LFUN_INSET_INSERT:
1818         case LFUN_NEXT_INSET_TOGGLE:
1819         case LFUN_UPCASE_WORD:
1820         case LFUN_LOWCASE_WORD:
1821         case LFUN_CAPITALIZE_WORD:
1822         case LFUN_TRANSPOSE_CHARS:
1823         case LFUN_GETXY:
1824         case LFUN_SETXY:
1825         case LFUN_GETFONT:
1826         case LFUN_GETLAYOUT:
1827         case LFUN_LAYOUT:
1828         case LFUN_PASTESELECTION:
1829         case LFUN_DATE_INSERT:
1830         case LFUN_SELFINSERT:
1831         case LFUN_INSERT_LINE:
1832         case LFUN_INSERT_PAGEBREAK:
1833         case LFUN_MATH_DISPLAY:
1834         case LFUN_MATH_IMPORT_SELECTION:
1835         case LFUN_MATH_MODE:
1836         case LFUN_MATH_MACRO:
1837         case LFUN_INSERT_MATH:
1838         case LFUN_INSERT_MATRIX:
1839         case LFUN_MATH_DELIM:
1840         case LFUN_SUBSCRIPT:
1841         case LFUN_SUPERSCRIPT:
1842         case LFUN_DEFAULT:
1843         case LFUN_UNDERLINE:
1844         case LFUN_FONT_SIZE:
1845         case LFUN_LANGUAGE:
1846         case LFUN_FREEFONT_APPLY:
1847         case LFUN_FREEFONT_UPDATE:
1848         case LFUN_LAYOUT_PARAGRAPH:
1849         case LFUN_PARAGRAPH_UPDATE:
1850         case LFUN_UMLAUT:
1851         case LFUN_CIRCUMFLEX:
1852         case LFUN_GRAVE:
1853         case LFUN_ACUTE:
1854         case LFUN_TILDE:
1855         case LFUN_CEDILLA:
1856         case LFUN_MACRON:
1857         case LFUN_DOT:
1858         case LFUN_UNDERDOT:
1859         case LFUN_UNDERBAR:
1860         case LFUN_CARON:
1861         case LFUN_SPECIAL_CARON:
1862         case LFUN_BREVE:
1863         case LFUN_TIE:
1864         case LFUN_HUNG_UMLAUT:
1865         case LFUN_CIRCLE:
1866         case LFUN_OGONEK:
1867         case LFUN_ACCEPT_CHANGE:
1868         case LFUN_REJECT_CHANGE:
1869         case LFUN_THESAURUS_ENTRY:
1870         case LFUN_PARAGRAPH_APPLY:
1871         case LFUN_ESCAPE:
1872         case LFUN_ENDBUF:
1873         case LFUN_BEGINNINGBUF:
1874         case LFUN_BEGINNINGBUFSEL:
1875         case LFUN_ENDBUFSEL:
1876                 // these are handled in our dispatch()
1877                 enable = true;
1878                 break;
1879
1880         default:
1881                 return false;
1882         }
1883
1884         if (code != InsetBase::NO_CODE
1885             && (cur.empty() || !cur.inset().insetAllowed(code)))
1886                 enable = false;
1887
1888         flag.enabled(enable);
1889         return true;
1890 }