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                 updateCounters(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                         break;
1032                 }
1033
1034                 // Middle button press pastes if we have a selection
1035                 // We do this here as if the selection was inside an inset
1036                 // it could get cleared on the unlocking of the inset so
1037                 // we have to check this first
1038                 bool paste_internally = false;
1039                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1040                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1041                         paste_internally = true;
1042                 }
1043
1044                 bv->mouseSetCursor(cur);
1045
1046                 // Insert primary selection with middle mouse
1047                 // if there is a local selection in the current buffer,
1048                 // insert this
1049                 if (cmd.button() == mouse_button::button2) {
1050                         if (paste_internally)
1051                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1052                         else
1053                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1054                 }
1055
1056                 break;
1057         }
1058
1059         case LFUN_MOUSE_MOTION: {
1060                 // Only use motion with button 1
1061                 //if (cmd.button() != mouse_button::button1)
1062                 //      return false;
1063
1064                 // ignore motions deeper nested than the real anchor
1065                 LCursor & bvcur = cur.bv().cursor();
1066                 if (bvcur.anchor_.hasPart(cur)) {
1067                         CursorSlice old = bvcur.top();
1068
1069                         int const wh = bv->workHeight();
1070                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1071
1072                         setCursorFromCoordinates(cur, cmd.x, y);
1073                         cur.x_target() = cmd.x;
1074                         if (cmd.y >= wh)
1075                                 cursorDown(cur);
1076                         else if (cmd.y < 0)
1077                                 cursorUp(cur);
1078                         // This is to allow jumping over large insets
1079                         if (cur.top() == old) {
1080                                 if (cmd.y >= wh)
1081                                         cursorDown(cur);
1082                                 else if (cmd.y < 0)
1083                                         cursorUp(cur);
1084                         }
1085
1086                         if (cur.top() == old)
1087                                 cur.noUpdate();
1088                         else {
1089                                 // don't set anchor_
1090                                 bvcur.setCursor(cur);
1091                                 bvcur.selection() = true;
1092                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1093                         }
1094
1095                 } else
1096                         cur.undispatched();
1097                 break;
1098         }
1099
1100         case LFUN_MOUSE_RELEASE: {
1101                 if (cmd.button() == mouse_button::button2)
1102                         break;
1103
1104                 // finish selection
1105                 if (cmd.button() == mouse_button::button1)
1106                         bv->haveSelection(cur.selection());
1107
1108                 bv->switchKeyMap();
1109                 bv->owner()->updateMenubar();
1110                 bv->owner()->updateToolbars();
1111                 break;
1112         }
1113
1114         case LFUN_SELFINSERT: {
1115                 if (cmd.argument.empty())
1116                         break;
1117
1118                 // Automatically delete the currently selected
1119                 // text and replace it with what is being
1120                 // typed in now. Depends on lyxrc settings
1121                 // "auto_region_delete", which defaults to
1122                 // true (on).
1123
1124                 if (lyxrc.auto_region_delete) {
1125                         if (cur.selection())
1126                                 cutSelection(cur, false, false);
1127                         bv->haveSelection(false);
1128                 }
1129
1130                 cur.clearSelection();
1131                 LyXFont const old_font = real_current_font;
1132
1133                 string::const_iterator cit = cmd.argument.begin();
1134                 string::const_iterator end = cmd.argument.end();
1135                 for (; cit != end; ++cit)
1136                         bv->owner()->getIntl().getTransManager().
1137                                 translateAndInsert(*cit, this);
1138
1139                 cur.resetAnchor();
1140                 moveCursor(cur, false);
1141                 bv->updateScrollbar();
1142                 break;
1143         }
1144
1145         case LFUN_URL: {
1146                 InsetCommandParams p("url");
1147                 string const data = InsetCommandMailer::params2string("url", p);
1148                 bv->owner()->getDialogs().show("url", data, 0);
1149                 break;
1150         }
1151
1152         case LFUN_HTMLURL: {
1153                 InsetCommandParams p("htmlurl");
1154                 string const data = InsetCommandMailer::params2string("url", p);
1155                 bv->owner()->getDialogs().show("url", data, 0);
1156                 break;
1157         }
1158
1159         case LFUN_INSERT_LABEL: {
1160                 // Try to generate a valid label
1161                 string const contents = cmd.argument.empty() ?
1162                         cur.getPossibleLabel() : cmd.argument;
1163
1164                 InsetCommandParams p("label", contents);
1165                 string const data = InsetCommandMailer::params2string("label", p);
1166
1167                 if (cmd.argument.empty()) {
1168                         bv->owner()->getDialogs().show("label", data, 0);
1169                 } else {
1170                         FuncRequest fr(LFUN_INSET_INSERT, data);
1171                         dispatch(cur, fr);
1172                 }
1173                 break;
1174         }
1175
1176
1177 #if 0
1178         case LFUN_INSET_LIST:
1179         case LFUN_INSET_THEOREM:
1180         case LFUN_INSET_CAPTION:
1181 #endif
1182         case LFUN_INSERT_NOTE:
1183         case LFUN_INSERT_CHARSTYLE:
1184         case LFUN_INSERT_BOX:
1185         case LFUN_INSERT_BRANCH:
1186         case LFUN_INSERT_BIBITEM:
1187         case LFUN_INSET_ERT:
1188         case LFUN_INSET_FOOTNOTE:
1189         case LFUN_INSET_MARGINAL:
1190         case LFUN_INSET_OPTARG:
1191         case LFUN_ENVIRONMENT_INSERT:
1192                 // Open the inset, and move the current selection
1193                 // inside it.
1194                 doInsertInset(cur, this, cmd, true, true);
1195                 cur.posRight();
1196                 break;
1197
1198         case LFUN_TABULAR_INSERT:
1199                 // if there were no arguments, just open the dialog
1200                 if (doInsertInset(cur, this, cmd, false, true))
1201                         cur.posRight();
1202                 else
1203                         bv->owner()->getDialogs().show("tabularcreate");
1204
1205                 break;
1206
1207         case LFUN_INSET_FLOAT:
1208         case LFUN_INSET_WIDE_FLOAT:
1209         case LFUN_INSET_WRAP:
1210                 doInsertInset(cur, this, cmd, true, true);
1211                 cur.posRight();
1212                 // FIXME: the "Caption" name should not be hardcoded,
1213                 // but given by the float definition.
1214                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1215                 break;
1216
1217         case LFUN_INDEX_INSERT: {
1218                 InsetBase * inset = createInset(&cur.bv(), cmd);
1219                 if (!inset)
1220                         break;
1221
1222                 recordUndo(cur);
1223                 cur.clearSelection();
1224                 insertInset(cur, inset);
1225                 inset->edit(cur, true);
1226                 cur.posRight();
1227                 break;
1228         }
1229
1230         case LFUN_INDEX_PRINT:
1231         case LFUN_TOC_INSERT:
1232         case LFUN_HFILL:
1233         case LFUN_INSERT_LINE:
1234         case LFUN_INSERT_PAGEBREAK:
1235                 // do nothing fancy
1236                 doInsertInset(cur, this, cmd, false, false);
1237                 cur.posRight();
1238                 break;
1239
1240         case LFUN_DEPTH_MIN:
1241                 changeDepth(cur, DEC_DEPTH);
1242                 break;
1243
1244         case LFUN_DEPTH_PLUS:
1245                 changeDepth(cur, INC_DEPTH);
1246                 break;
1247
1248         case LFUN_MATH_DISPLAY:
1249                 mathDispatch(cur, cmd, true);
1250                 break;
1251
1252         case LFUN_MATH_IMPORT_SELECTION:
1253         case LFUN_MATH_MODE:
1254                 if (cmd.argument == "on")
1255                         // don't pass "on" as argument
1256                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1257                 else
1258                         mathDispatch(cur, cmd, false);
1259                 break;
1260
1261         case LFUN_MATH_MACRO:
1262                 if (cmd.argument.empty())
1263                         cur.errorMessage(N_("Missing argument"));
1264                 else {
1265                         string s = cmd.argument;
1266                         string const s1 = token(s, ' ', 1);
1267                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1268                         string const s2 = token(s, ' ', 2);
1269                         string const type = s2.empty() ? "newcommand" : s2;
1270                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1271                         //cur.nextInset()->edit(cur, true);
1272                 }
1273                 break;
1274
1275         // passthrough hat and underscore outside mathed:
1276         case LFUN_SUBSCRIPT:
1277                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1278                 break;
1279         case LFUN_SUPERSCRIPT:
1280                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1281                 break;
1282
1283         case LFUN_INSERT_MATH:
1284         case LFUN_INSERT_MATRIX:
1285         case LFUN_MATH_DELIM: {
1286                 cur.insert(new MathHullInset("simple"));
1287                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1288                 cur.dispatch(cmd);
1289                 break;
1290         }
1291
1292         case LFUN_EMPH: {
1293                 LyXFont font(LyXFont::ALL_IGNORE);
1294                 font.setEmph(LyXFont::TOGGLE);
1295                 toggleAndShow(cur, this, font);
1296                 break;
1297         }
1298
1299         case LFUN_BOLD: {
1300                 LyXFont font(LyXFont::ALL_IGNORE);
1301                 font.setSeries(LyXFont::BOLD_SERIES);
1302                 toggleAndShow(cur, this, font);
1303                 break;
1304         }
1305
1306         case LFUN_NOUN: {
1307                 LyXFont font(LyXFont::ALL_IGNORE);
1308                 font.setNoun(LyXFont::TOGGLE);
1309                 toggleAndShow(cur, this, font);
1310                 break;
1311         }
1312
1313         case LFUN_CODE: {
1314                 LyXFont font(LyXFont::ALL_IGNORE);
1315                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1316                 toggleAndShow(cur, this, font);
1317                 break;
1318         }
1319
1320         case LFUN_SANS: {
1321                 LyXFont font(LyXFont::ALL_IGNORE);
1322                 font.setFamily(LyXFont::SANS_FAMILY);
1323                 toggleAndShow(cur, this, font);
1324                 break;
1325         }
1326
1327         case LFUN_ROMAN: {
1328                 LyXFont font(LyXFont::ALL_IGNORE);
1329                 font.setFamily(LyXFont::ROMAN_FAMILY);
1330                 toggleAndShow(cur, this, font);
1331                 break;
1332         }
1333
1334         case LFUN_DEFAULT: {
1335                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1336                 toggleAndShow(cur, this, font);
1337                 break;
1338         }
1339
1340         case LFUN_UNDERLINE: {
1341                 LyXFont font(LyXFont::ALL_IGNORE);
1342                 font.setUnderbar(LyXFont::TOGGLE);
1343                 toggleAndShow(cur, this, font);
1344                 break;
1345         }
1346
1347         case LFUN_FONT_SIZE: {
1348                 LyXFont font(LyXFont::ALL_IGNORE);
1349                 font.setLyXSize(cmd.argument);
1350                 toggleAndShow(cur, this, font);
1351                 break;
1352         }
1353
1354         case LFUN_LANGUAGE: {
1355                 Language const * lang = languages.getLanguage(cmd.argument);
1356                 if (!lang)
1357                         break;
1358                 LyXFont font(LyXFont::ALL_IGNORE);
1359                 font.setLanguage(lang);
1360                 toggleAndShow(cur, this, font);
1361                 bv->switchKeyMap();
1362                 break;
1363         }
1364
1365         case LFUN_FREEFONT_APPLY:
1366                 toggleAndShow(cur, this, freefont, toggleall);
1367                 cur.message(_("Character set"));
1368                 break;
1369
1370         // Set the freefont using the contents of \param data dispatched from
1371         // the frontends and apply it at the current cursor location.
1372         case LFUN_FREEFONT_UPDATE: {
1373                 LyXFont font;
1374                 bool toggle;
1375                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1376                         freefont = font;
1377                         toggleall = toggle;
1378                         toggleAndShow(cur, this, freefont, toggleall);
1379                         cur.message(_("Character set"));
1380                 }
1381                 break;
1382         }
1383
1384         case LFUN_FINISHED_LEFT:
1385                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1386                 break;
1387
1388         case LFUN_FINISHED_RIGHT:
1389                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1390                 ++cur.pos();
1391                 break;
1392
1393         case LFUN_FINISHED_UP:
1394                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1395                 cursorUp(cur);
1396                 break;
1397
1398         case LFUN_FINISHED_DOWN:
1399                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1400                 cursorDown(cur);
1401                 break;
1402
1403         case LFUN_LAYOUT_PARAGRAPH: {
1404                 string data;
1405                 params2string(cur.paragraph(), data);
1406                 data = "show\n" + data;
1407                 bv->owner()->getDialogs().show("paragraph", data);
1408                 break;
1409         }
1410
1411         case LFUN_PARAGRAPH_UPDATE: {
1412                 if (!bv->owner()->getDialogs().visible("paragraph"))
1413                         break;
1414                 string data;
1415                 params2string(cur.paragraph(), data);
1416
1417                 // Will the paragraph accept changes from the dialog?
1418                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1419
1420                 data = "update " + convert<string>(accept) + '\n' + data;
1421                 bv->owner()->getDialogs().update("paragraph", data);
1422                 break;
1423         }
1424
1425         case LFUN_UMLAUT:
1426         case LFUN_CIRCUMFLEX:
1427         case LFUN_GRAVE:
1428         case LFUN_ACUTE:
1429         case LFUN_TILDE:
1430         case LFUN_CEDILLA:
1431         case LFUN_MACRON:
1432         case LFUN_DOT:
1433         case LFUN_UNDERDOT:
1434         case LFUN_UNDERBAR:
1435         case LFUN_CARON:
1436         case LFUN_SPECIAL_CARON:
1437         case LFUN_BREVE:
1438         case LFUN_TIE:
1439         case LFUN_HUNG_UMLAUT:
1440         case LFUN_CIRCLE:
1441         case LFUN_OGONEK:
1442                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1443                 if (!cmd.argument.empty())
1444                         bv->owner()->getIntl().getTransManager()
1445                                 .translateAndInsert(cmd.argument[0], this);
1446                 break;
1447
1448         case LFUN_FLOAT_LIST: {
1449                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1450                 if (tclass.floats().typeExist(cmd.argument)) {
1451                         // not quite sure if we want this...
1452                         recordUndo(cur);
1453                         cur.clearSelection();
1454                         breakParagraph(cur);
1455
1456                         if (cur.lastpos() != 0) {
1457                                 cursorLeft(cur);
1458                                 breakParagraph(cur);
1459                         }
1460
1461                         setLayout(cur, tclass.defaultLayoutName());
1462                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1463                         insertInset(cur, new InsetFloatList(cmd.argument));
1464                         cur.posRight();
1465                 } else {
1466                         lyxerr << "Non-existent float type: "
1467                                << cmd.argument << endl;
1468                 }
1469                 break;
1470         }
1471
1472         case LFUN_ACCEPT_CHANGE: {
1473                 acceptChange(cur);
1474                 break;
1475         }
1476
1477         case LFUN_REJECT_CHANGE: {
1478                 rejectChange(cur);
1479                 break;
1480         }
1481
1482         case LFUN_THESAURUS_ENTRY: {
1483                 string arg = cmd.argument;
1484                 if (arg.empty()) {
1485                         arg = cur.selectionAsString(false);
1486                         // FIXME
1487                         if (arg.size() > 100 || arg.empty()) {
1488                                 // Get word or selection
1489                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1490                                 arg = cur.selectionAsString(false);
1491                         }
1492                 }
1493                 bv->owner()->getDialogs().show("thesaurus", arg);
1494                 break;
1495         }
1496
1497         case LFUN_PARAGRAPH_APPLY: {
1498                 // Given data, an encoding of the ParagraphParameters
1499                 // generated in the Paragraph dialog, this function sets
1500                 // the current paragraph appropriately.
1501                 istringstream is(cmd.argument);
1502                 LyXLex lex(0, 0);
1503                 lex.setStream(is);
1504                 ParagraphParameters params;
1505                 params.read(lex);
1506                 setParagraph(cur,
1507                                          params.spacing(),
1508                                          params.align(),
1509                                          params.labelWidthString(),
1510                                          params.noindent());
1511                 cur.message(_("Paragraph layout set"));
1512                 break;
1513         }
1514
1515         case LFUN_INSET_DIALOG_SHOW: {
1516                 InsetBase * inset = cur.nextInset();
1517                 if (inset) {
1518                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1519                         inset->dispatch(cur, fr);
1520                 }
1521                 break;
1522         }
1523
1524         case LFUN_ESCAPE:
1525                 if (cur.selection()) {
1526                         cur.selection() = false;
1527                 } else {
1528                         cur.undispatched();
1529                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1530                 }
1531                 break;
1532
1533         default:
1534                 lyxerr[Debug::ACTION]
1535                         << BOOST_CURRENT_FUNCTION
1536                         << ": Command " << cmd
1537                         << " not DISPATCHED by LyXText" << endl;
1538                 cur.undispatched();
1539                 break;
1540         }
1541
1542         if (singleParUpdate)
1543                 // Inserting characters does not change par height
1544                 if (cur.bottom().paragraph().dim().height()
1545                     == olddim.height()) {
1546                         // if so, update _only_ this paragraph
1547                         cur.bv().update(Update::SinglePar |
1548                                         Update::FitCursor |
1549                                         Update::MultiParSel);
1550                         cur.noUpdate();
1551                         return;
1552                 } else
1553                         needsUpdate = true;
1554         if (!needsUpdate
1555             && &oldTopSlice.inset() == &cur.inset()
1556             && oldTopSlice.idx() == cur.idx()
1557             && !sel
1558             && !cur.selection())
1559                 cur.noUpdate();
1560         else
1561                 cur.needsUpdate();
1562 }
1563
1564
1565 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1566                         FuncStatus & flag) const
1567 {
1568         BOOST_ASSERT(cur.text() == this);
1569
1570         LyXFont const & font = real_current_font;
1571         bool enable = true;
1572         InsetBase::Code code = InsetBase::NO_CODE;
1573
1574         switch (cmd.action) {
1575
1576         case LFUN_DEPTH_MIN:
1577                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1578                 break;
1579
1580         case LFUN_DEPTH_PLUS:
1581                 enable = changeDepthAllowed(cur, INC_DEPTH);
1582                 break;
1583
1584         case LFUN_APPENDIX:
1585                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1586                 return true;
1587
1588         case LFUN_INSERT_BIBITEM:
1589                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1590                 break;
1591
1592         case LFUN_DIALOG_SHOW_NEW_INSET:
1593                 if (cmd.argument == "bibitem")
1594                         code = InsetBase::BIBITEM_CODE;
1595                 else if (cmd.argument == "bibtex")
1596                         code = InsetBase::BIBTEX_CODE;
1597                 else if (cmd.argument == "box")
1598                         code = InsetBase::BOX_CODE;
1599                 else if (cmd.argument == "branch")
1600                         code = InsetBase::BRANCH_CODE;
1601                 else if (cmd.argument == "citation")
1602                         code = InsetBase::CITE_CODE;
1603                 else if (cmd.argument == "ert")
1604                         code = InsetBase::ERT_CODE;
1605                 else if (cmd.argument == "external")
1606                         code = InsetBase::EXTERNAL_CODE;
1607                 else if (cmd.argument == "float")
1608                         code = InsetBase::FLOAT_CODE;
1609                 else if (cmd.argument == "graphics")
1610                         code = InsetBase::GRAPHICS_CODE;
1611                 else if (cmd.argument == "include")
1612                         code = InsetBase::INCLUDE_CODE;
1613                 else if (cmd.argument == "index")
1614                         code = InsetBase::INDEX_CODE;
1615                 else if (cmd.argument == "label")
1616                         code = InsetBase::LABEL_CODE;
1617                 else if (cmd.argument == "note")
1618                         code = InsetBase::NOTE_CODE;
1619                 else if (cmd.argument == "ref")
1620                         code = InsetBase::REF_CODE;
1621                 else if (cmd.argument == "toc")
1622                         code = InsetBase::TOC_CODE;
1623                 else if (cmd.argument == "url")
1624                         code = InsetBase::URL_CODE;
1625                 else if (cmd.argument == "vspace")
1626                         code = InsetBase::VSPACE_CODE;
1627                 else if (cmd.argument == "wrap")
1628                         code = InsetBase::WRAP_CODE;
1629                 break;
1630
1631         case LFUN_INSET_ERT:
1632                 code = InsetBase::ERT_CODE;
1633                 break;
1634         case LFUN_INSET_FOOTNOTE:
1635                 code = InsetBase::FOOT_CODE;
1636                 break;
1637         case LFUN_TABULAR_INSERT:
1638                 code = InsetBase::TABULAR_CODE;
1639                 break;
1640         case LFUN_INSET_MARGINAL:
1641                 code = InsetBase::MARGIN_CODE;
1642                 break;
1643         case LFUN_INSET_FLOAT:
1644         case LFUN_INSET_WIDE_FLOAT:
1645                 code = InsetBase::FLOAT_CODE;
1646                 break;
1647         case LFUN_INSET_WRAP:
1648                 code = InsetBase::WRAP_CODE;
1649                 break;
1650         case LFUN_FLOAT_LIST:
1651                 code = InsetBase::FLOAT_LIST_CODE;
1652                 break;
1653 #if 0
1654         case LFUN_INSET_LIST:
1655                 code = InsetBase::LIST_CODE;
1656                 break;
1657         case LFUN_INSET_THEOREM:
1658                 code = InsetBase::THEOREM_CODE;
1659                 break;
1660 #endif
1661         case LFUN_INSET_CAPTION:
1662                 code = InsetBase::CAPTION_CODE;
1663                 break;
1664         case LFUN_INSERT_NOTE:
1665                 code = InsetBase::NOTE_CODE;
1666                 break;
1667         case LFUN_INSERT_CHARSTYLE:
1668                 code = InsetBase::CHARSTYLE_CODE;
1669                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1670                         enable = false;
1671                 break;
1672         case LFUN_INSERT_BOX:
1673                 code = InsetBase::BOX_CODE;
1674                 break;
1675         case LFUN_INSERT_BRANCH:
1676                 code = InsetBase::BRANCH_CODE;
1677                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1678                         enable = false;
1679                 break;
1680         case LFUN_INSERT_LABEL:
1681                 code = InsetBase::LABEL_CODE;
1682                 break;
1683         case LFUN_INSET_OPTARG:
1684                 code = InsetBase::OPTARG_CODE;
1685                 enable = numberOfOptArgs(cur.paragraph())
1686                         < cur.paragraph().layout()->optionalargs;
1687                 break;
1688         case LFUN_ENVIRONMENT_INSERT:
1689                 code = InsetBase::BOX_CODE;
1690                 break;
1691         case LFUN_INDEX_INSERT:
1692                 code = InsetBase::INDEX_CODE;
1693                 break;
1694         case LFUN_INDEX_PRINT:
1695                 code = InsetBase::INDEX_PRINT_CODE;
1696                 break;
1697         case LFUN_TOC_INSERT:
1698                 code = InsetBase::TOC_CODE;
1699                 break;
1700         case LFUN_HTMLURL:
1701         case LFUN_URL:
1702                 code = InsetBase::URL_CODE;
1703                 break;
1704         case LFUN_QUOTE:
1705                 // always allow this, since we will inset a raw quote
1706                 // if an inset is not allowed.
1707                 break;
1708         case LFUN_HYPHENATION:
1709         case LFUN_LIGATURE_BREAK:
1710         case LFUN_HFILL:
1711         case LFUN_MENU_SEPARATOR:
1712         case LFUN_LDOTS:
1713         case LFUN_END_OF_SENTENCE:
1714                 code = InsetBase::SPECIALCHAR_CODE;
1715                 break;
1716         case LFUN_SPACE_INSERT:
1717                 // slight hack: we know this is allowed in math mode
1718                 if (cur.inTexted())
1719                         code = InsetBase::SPACE_CODE;
1720                 break;
1721
1722 #ifdef WITH_WARNINGS
1723 #warning This LFUN is not used anymore and should be nuked (JMarc 29/10/2005)
1724 #endif
1725 #if 0
1726         case LFUN_INSET_DIALOG_SHOW: {
1727                 InsetBase * inset = cur.nextInset();
1728                 enable = inset;
1729                 if (inset) {
1730                         code = inset->lyxCode();
1731                         if (!(code == InsetBase::INCLUDE_CODE
1732                                 || code == InsetBase::BIBTEX_CODE
1733                                 || code == InsetBase::FLOAT_LIST_CODE
1734                                 || code == InsetBase::TOC_CODE))
1735                                 enable = false;
1736                 }
1737                 break;
1738         }
1739 #endif
1740
1741         case LFUN_INSET_MODIFY:
1742                 // We need to disable this, because we may get called for a
1743                 // tabular cell via
1744                 // InsetTabular::getStatus() -> InsetText::getStatus()
1745                 // and we don't handle LFUN_INSET_MODIFY.
1746                 enable = false;
1747                 break;
1748
1749         case LFUN_EMPH:
1750                 flag.setOnOff(font.emph() == LyXFont::ON);
1751                 return true;
1752
1753         case LFUN_NOUN:
1754                 flag.setOnOff(font.noun() == LyXFont::ON);
1755                 return true;
1756
1757         case LFUN_BOLD:
1758                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1759                 return true;
1760
1761         case LFUN_SANS:
1762                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1763                 return true;
1764
1765         case LFUN_ROMAN:
1766                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1767                 return true;
1768
1769         case LFUN_CODE:
1770                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1771                 return true;
1772
1773         case LFUN_CUT:
1774         case LFUN_COPY:
1775                 enable = cur.selection();
1776                 break;
1777
1778         case LFUN_PASTE:
1779                 enable = lyx::cap::numberOfSelections() > 0;
1780                 break;
1781
1782         case LFUN_DELETE_WORD_FORWARD:
1783         case LFUN_DELETE_WORD_BACKWARD:
1784         case LFUN_DELETE_LINE_FORWARD:
1785         case LFUN_WORDRIGHT:
1786         case LFUN_WORDLEFT:
1787         case LFUN_RIGHT:
1788         case LFUN_RIGHTSEL:
1789         case LFUN_LEFT:
1790         case LFUN_LEFTSEL:
1791         case LFUN_UP:
1792         case LFUN_UPSEL:
1793         case LFUN_DOWN:
1794         case LFUN_DOWNSEL:
1795         case LFUN_UP_PARAGRAPHSEL:
1796         case LFUN_DOWN_PARAGRAPHSEL:
1797         case LFUN_PRIORSEL:
1798         case LFUN_NEXTSEL:
1799         case LFUN_HOMESEL:
1800         case LFUN_ENDSEL:
1801         case LFUN_WORDRIGHTSEL:
1802         case LFUN_WORDLEFTSEL:
1803         case LFUN_WORDSEL:
1804         case LFUN_UP_PARAGRAPH:
1805         case LFUN_DOWN_PARAGRAPH:
1806         case LFUN_PRIOR:
1807         case LFUN_NEXT:
1808         case LFUN_HOME:
1809         case LFUN_END:
1810         case LFUN_BREAKLINE:
1811         case LFUN_DELETE:
1812         case LFUN_DELETE_SKIP:
1813         case LFUN_BACKSPACE:
1814         case LFUN_BACKSPACE_SKIP:
1815         case LFUN_BREAKPARAGRAPH:
1816         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1817         case LFUN_BREAKPARAGRAPH_SKIP:
1818         case LFUN_PARAGRAPH_SPACING:
1819         case LFUN_INSET_INSERT:
1820         case LFUN_NEXT_INSET_TOGGLE:
1821         case LFUN_UPCASE_WORD:
1822         case LFUN_LOWCASE_WORD:
1823         case LFUN_CAPITALIZE_WORD:
1824         case LFUN_TRANSPOSE_CHARS:
1825         case LFUN_GETXY:
1826         case LFUN_SETXY:
1827         case LFUN_GETFONT:
1828         case LFUN_GETLAYOUT:
1829         case LFUN_LAYOUT:
1830         case LFUN_PASTESELECTION:
1831         case LFUN_DATE_INSERT:
1832         case LFUN_SELFINSERT:
1833         case LFUN_INSERT_LINE:
1834         case LFUN_INSERT_PAGEBREAK:
1835         case LFUN_MATH_DISPLAY:
1836         case LFUN_MATH_IMPORT_SELECTION:
1837         case LFUN_MATH_MODE:
1838         case LFUN_MATH_MACRO:
1839         case LFUN_INSERT_MATH:
1840         case LFUN_INSERT_MATRIX:
1841         case LFUN_MATH_DELIM:
1842         case LFUN_SUBSCRIPT:
1843         case LFUN_SUPERSCRIPT:
1844         case LFUN_DEFAULT:
1845         case LFUN_UNDERLINE:
1846         case LFUN_FONT_SIZE:
1847         case LFUN_LANGUAGE:
1848         case LFUN_FREEFONT_APPLY:
1849         case LFUN_FREEFONT_UPDATE:
1850         case LFUN_LAYOUT_PARAGRAPH:
1851         case LFUN_PARAGRAPH_UPDATE:
1852         case LFUN_UMLAUT:
1853         case LFUN_CIRCUMFLEX:
1854         case LFUN_GRAVE:
1855         case LFUN_ACUTE:
1856         case LFUN_TILDE:
1857         case LFUN_CEDILLA:
1858         case LFUN_MACRON:
1859         case LFUN_DOT:
1860         case LFUN_UNDERDOT:
1861         case LFUN_UNDERBAR:
1862         case LFUN_CARON:
1863         case LFUN_SPECIAL_CARON:
1864         case LFUN_BREVE:
1865         case LFUN_TIE:
1866         case LFUN_HUNG_UMLAUT:
1867         case LFUN_CIRCLE:
1868         case LFUN_OGONEK:
1869         case LFUN_ACCEPT_CHANGE:
1870         case LFUN_REJECT_CHANGE:
1871         case LFUN_THESAURUS_ENTRY:
1872         case LFUN_PARAGRAPH_APPLY:
1873         case LFUN_ESCAPE:
1874         case LFUN_ENDBUF:
1875         case LFUN_BEGINNINGBUF:
1876         case LFUN_BEGINNINGBUFSEL:
1877         case LFUN_ENDBUFSEL:
1878                 // these are handled in our dispatch()
1879                 enable = true;
1880                 break;
1881
1882         default:
1883                 return false;
1884         }
1885
1886         if (code != InsetBase::NO_CODE
1887             && (cur.empty() || !cur.inset().insetAllowed(code)))
1888                 enable = false;
1889
1890         flag.enabled(enable);
1891         return true;
1892 }