src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "dispatchresult.h"
  32 #include "factory.h"
  33 #include "funcrequest.h"
  34 #include "gettext.h"
  35 #include "intl.h"
  36 #include "language.h"
  37 #include "LyXAction.h"
  38 #include "lyxfunc.h"
  39 #include "lyxlex.h"
  40 #include "lyxrc.h"
  41 #include "lyxrow.h"
  42 #include "paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "undo.h"
  46 #include "vspace.h"
  47 #include "pariterator.h"
  48
  49 #include "frontends/Dialogs.h"
  50 #include "frontends/Gui.h"
  51 #include "frontends/LyXView.h"
  52 #include "frontends/Clipboard.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetfloatlist.h"
  56 #include "insets/insetnewline.h"
  57 #include "insets/insetquotes.h"
  58 #include "insets/insetspecialchar.h"
  59 #include "insets/insettext.h"
  60
  61 #include "support/lstrings.h"
  62 #include "support/lyxlib.h"
  63 #include "support/convert.h"
  64 #include "support/lyxtime.h"
  65
  66 #include "mathed/math_hullinset.h"
  67 #include "mathed/math_macrotemplate.h"
  68
  69 #include <boost/current_function.hpp>
  70
  71 #include <clocale>
  72 #include <sstream>
  73
  74 using lyx::pos_type;
  75
  76 using lyx::cap::copySelection;
  77 using lyx::cap::cutSelection;
  78 using lyx::cap::pasteSelection;
  79 using lyx::cap::replaceSelection;
  80
  81 using lyx::support::isStrUnsignedInt;
  82 using lyx::support::token;
  83
  84 using lyx::frontend::Gui;
  85 using lyx::frontend::Clipboard;
  86
  87 using std::endl;
  88 using std::string;
  89 using std::istringstream;
  90 using std::ostringstream;
  91
  92
  93 extern string current_layout;
  94
  95
  96 namespace {
  97
  98         // globals...
  99         LyXFont freefont(LyXFont::ALL_IGNORE);
 100         bool toggleall = false;
 101
 102
 103         void toggleAndShow(LCursor & cur, LyXText * text,
 104                 LyXFont const & font, bool toggleall = true)
 105         {
 106                 text->toggleFree(cur, font, toggleall);
 107
 108                 if (font.language() != ignore_language ||
 109                                 font.number() != LyXFont::IGNORE) {
 110                         Paragraph & par = cur.paragraph();
 111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 112                         if (cur.boundary() !=
 113                                         text->bidi.isBoundary(cur.buffer(), par,
 114                                                         cur.pos(),
 115                                                         text->real_current_font))
 116                                 text->setCursor(cur, cur.pit(), cur.pos(),
 117                                                 false, !cur.boundary());
 118                 }
 119         }
 120
 121
 122         void moveCursor(LCursor & cur, bool selecting)
 123         {
 124                 if (selecting || cur.mark())
 125                         cur.setSelection();
 126                 if (!cur.selection())
 127                         cur.bv().owner()->gui().clipboard().haveSelection(false);
 128                 cur.bv().switchKeyMap();
 129         }
 130
 131
 132         void finishChange(LCursor & cur, bool selecting)
 133         {
 134                 finishUndo();
 135                 moveCursor(cur, selecting);
 136         }
 137
 138
 139         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 140         {
 141                 recordUndo(cur);
 142                 string sel = cur.selectionAsString(false);
 143                 //lyxerr << "selection is: '" << sel << "'" << endl;
 144
 145                 // It may happen that sel is empty but there is a selection
 146                 replaceSelection(cur);
 147
 148                 if (sel.empty()) {
 149                         const int old_pos = cur.pos();
 150                         cur.insert(new MathHullInset("simple"));
 151                         BOOST_ASSERT(old_pos == cur.pos());
 152                         cur.nextInset()->edit(cur, true);
 153                         // don't do that also for LFUN_MATH_MODE
 154                         // unless you want end up with always changing
 155                         // to mathrm when opening an inlined inset --
 156                         // I really hate "LyXfunc overloading"...
 157                         if (display)
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                         // Avoid an unnecessary undo step if cmd.argument
 160                         // is empty
 161                         if (!cmd.argument.empty())
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                          cmd.argument));
 164                 } else {
 165                         // create a macro if we see "\\newcommand"
 166                         // somewhere, and an ordinary formula
 167                         // otherwise
 168                         istringstream is(sel);
 169                         if (sel.find("\\newcommand") == string::npos
 170                             && sel.find("\\def") == string::npos)
 171                         {
 172                                 MathHullInset * formula = new MathHullInset;
 173                                 LyXLex lex(0, 0);
 174                                 lex.setStream(is);
 175                                 formula->read(cur.buffer(), lex);
 176                                 if (formula->getType() == "none")
 177                                         // Don't create pseudo formulas if
 178                                         // delimiters are left out
 179                                         formula->mutate("simple");
 180                                 cur.insert(formula);
 181                         } else
 182                                 cur.insert(new MathMacroTemplate(is));
 183                 }
 184                 cur.message(N_("Math editor mode"));
 185         }
 186
 187 } // namespace anon
 188
 189
 190
 191 namespace bv_funcs {
 192
 193 string const freefont2string()
 194 {
 195         string data;
 196         if (font2string(freefont, toggleall, data))
 197                 return data;
 198         return string();
 199 }
 200
 201 }
 202
 203 bool LyXText::cursorPrevious(LCursor & cur)
 204 {
 205         pos_type cpos = cur.pos();
 206         lyx::pit_type cpar = cur.pit();
 207
 208         int x = cur.x_target();
 209
 210         bool updated = setCursorFromCoordinates(cur, x, 0);
 211         if (updated)
 212                 cur.bv().update();
 213         updated |= cursorUp(cur);
 214
 215         if (cpar == cur.pit() && cpos == cur.pos()) {
 216                 // we have a row which is taller than the workarea. The
 217                 // simplest solution is to move to the previous row instead.
 218                 updated |= cursorUp(cur);
 219         }
 220
 221         finishUndo();
 222         return updated;
 223 }
 224
 225
 226 bool LyXText::cursorNext(LCursor & cur)
 227 {
 228         pos_type cpos = cur.pos();
 229         lyx::pit_type cpar = cur.pit();
 230
 231         int x = cur.x_target();
 232         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 233         if (updated)
 234                 cur.bv().update();
 235         updated |= cursorDown(cur);
 236
 237         if (cpar == cur.pit() && cpos == cur.pos()) {
 238                 // we have a row which is taller than the workarea. The
 239                 // simplest solution is to move to the next row instead.
 240                 updated |= cursorDown(cur);
 241         }
 242
 243         finishUndo();
 244         return updated;
 245 }
 246
 247
 248 namespace {
 249
 250 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 251 {
 252         lyx::cap::replaceSelection(cur);
 253         cur.insert(new InsetSpecialChar(kind));
 254         cur.posRight();
 255 }
 256
 257
 258 bool doInsertInset(LCursor & cur, LyXText * text,
 259         FuncRequest const & cmd, bool edit, bool pastesel)
 260 {
 261         InsetBase * inset = createInset(&cur.bv(), cmd);
 262         if (!inset)
 263                 return false;
 264
 265         recordUndo(cur);
 266         bool gotsel = false;
 267         if (cur.selection()) {
 268                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 269                 gotsel = true;
 270         }
 271         text->insertInset(cur, inset);
 272
 273         if (edit)
 274                 inset->edit(cur, true);
 275
 276         if (gotsel && pastesel)
 277                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 278         return true;
 279 }
 280
 281
 282 void update(LCursor & cur)
 283 {
 284         //we don't call update(true, false) directly to save a metrics call
 285         if (cur.bv().fitCursor())
 286                 cur.bv().update(Update::Force);
 287 }
 288
 289
 290 } // anon namespace
 291
 292
 293 void LyXText::number(LCursor & cur)
 294 {
 295         LyXFont font(LyXFont::ALL_IGNORE);
 296         font.setNumber(LyXFont::TOGGLE);
 297         toggleAndShow(cur, this, font);
 298 }
 299
 300
 301 bool LyXText::isRTL(Paragraph const & par) const
 302 {
 303         return par.isRightToLeftPar(bv()->buffer()->params());
 304 }
 305
 306
 307 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 308 {
 309         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 310
 311         BOOST_ASSERT(cur.text() == this);
 312         BufferView * bv = &cur.bv();
 313         CursorSlice oldTopSlice = cur.top();
 314         bool oldBoundary = cur.boundary();
 315         bool sel = cur.selection();
 316         // Signals that, even if needsUpdate == false, an update of the
 317         // cursor paragraph is required
 318         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 319                 LyXAction::SingleParUpdate);
 320         // Signals that a full-screen update is required
 321         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 322                 LyXAction::NoUpdate) || singleParUpdate);
 323         // Remember the old paragraph metric (_outer_ paragraph!)
 324         Dimension olddim = cur.bottom().paragraph().dim();
 325
 326         switch (cmd.action) {
 327
 328         case LFUN_PARAGRAPH_MOVE_DOWN: {
 329                 pit_type const pit = cur.pit();
 330                 recUndo(pit, pit + 1);
 331                 finishUndo();
 332                 std::swap(pars_[pit], pars_[pit + 1]);
 333
 334                 ParIterator begin(cur);
 335                 ++cur.pit();
 336                 ParIterator end = boost::next(ParIterator(cur));
 337                 updateLabels(cur.buffer(), begin, end);
 338
 339                 needsUpdate = true;
 340                 break;
 341         }
 342
 343         case LFUN_PARAGRAPH_MOVE_UP: {
 344                 pit_type const pit = cur.pit();
 345                 recUndo(pit - 1, pit);
 346                 finishUndo();
 347                 std::swap(pars_[pit], pars_[pit - 1]);
 348
 349                 ParIterator end = boost::next(ParIterator(cur));
 350                 --cur.pit();
 351                 ParIterator begin(cur);
 352                 updateLabels(cur.buffer(), begin, end);
 353
 354                 needsUpdate = true;
 355                 break;
 356         }
 357
 358         case LFUN_APPENDIX: {
 359                 Paragraph & par = cur.paragraph();
 360                 bool start = !par.params().startOfAppendix();
 361
 362 #ifdef WITH_WARNINGS
 363 #warning The code below only makes sense at top level.
 364 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 365 #endif
 366                 // ensure that we have only one start_of_appendix in this document
 367                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 368                         if (pars_[tmp].params().startOfAppendix()) {
 369                                 recUndo(tmp);
 370                                 pars_[tmp].params().startOfAppendix(false);
 371                                 break;
 372                         }
 373                 }
 374
 375                 recordUndo(cur);
 376                 par.params().startOfAppendix(start);
 377
 378                 // we can set the refreshing parameters now
 379                 updateLabels(cur.buffer());
 380                 break;
 381         }
 382
 383         case LFUN_WORD_DELETE_FORWARD:
 384                 cur.clearSelection();
 385                 deleteWordForward(cur);
 386                 finishChange(cur, false);
 387                 break;
 388
 389         case LFUN_WORD_DELETE_BACKWARD:
 390                 cur.clearSelection();
 391                 deleteWordBackward(cur);
 392                 finishChange(cur, false);
 393                 break;
 394
 395         case LFUN_LINE_DELETE:
 396                 cur.clearSelection();
 397                 deleteLineForward(cur);
 398                 finishChange(cur, false);
 399                 break;
 400
 401         case LFUN_WORD_FORWARD:
 402                 if (!cur.mark())
 403                         cur.clearSelection();
 404                 if (isRTL(cur.paragraph()))
 405                         needsUpdate = cursorLeftOneWord(cur);
 406                 else
 407                         needsUpdate = cursorRightOneWord(cur);
 408                 finishChange(cur, false);
 409                 break;
 410
 411         case LFUN_WORD_BACKWARD:
 412                 if (!cur.mark())
 413                         cur.clearSelection();
 414                 if (isRTL(cur.paragraph()))
 415                         needsUpdate = cursorRightOneWord(cur);
 416                 else
 417                         needsUpdate = cursorLeftOneWord(cur);
 418                 finishChange(cur, false);
 419                 break;
 420
 421         case LFUN_BUFFER_BEGIN:
 422                 if (cur.depth() == 1) {
 423                         if (!cur.mark())
 424                                 cur.clearSelection();
 425                         needsUpdate = cursorTop(cur);
 426                         finishChange(cur, false);
 427                 } else {
 428                         cur.undispatched();
 429                 }
 430                 break;
 431
 432         case LFUN_BUFFER_BEGIN_SELECT:
 433                 if (cur.depth() == 1) {
 434                         if (!cur.selection())
 435                                 cur.resetAnchor();
 436                         needsUpdate = cursorTop(cur);
 437                         finishChange(cur, true);
 438                 } else {
 439                         cur.undispatched();
 440                 }
 441                 break;
 442
 443         case LFUN_BUFFER_END:
 444                 if (cur.depth() == 1) {
 445                         if (!cur.mark())
 446                                 cur.clearSelection();
 447                         needsUpdate = cursorBottom(cur);
 448                         finishChange(cur, false);
 449                 } else {
 450                         cur.undispatched();
 451                 }
 452                 break;
 453
 454         case LFUN_BUFFER_END_SELECT:
 455                 if (cur.depth() == 1) {
 456                         if (!cur.selection())
 457                                 cur.resetAnchor();
 458                         needsUpdate = cursorBottom(cur);
 459                         finishChange(cur, true);
 460                 } else {
 461                         cur.undispatched();
 462                 }
 463                 break;
 464
 465         case LFUN_CHAR_FORWARD:
 466         case LFUN_CHAR_FORWARD_SELECT:
 467                 //lyxerr << BOOST_CURRENT_FUNCTION
 468                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 469                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 470                 if (isRTL(cur.paragraph()))
 471                         needsUpdate = cursorLeft(cur);
 472                 else
 473                         needsUpdate = cursorRight(cur);
 474
 475                 if (!needsUpdate && oldTopSlice == cur.top()
 476                                 && cur.boundary() == oldBoundary) {
 477                         cur.undispatched();
 478                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 479                 }
 480                 break;
 481
 482         case LFUN_CHAR_BACKWARD:
 483         case LFUN_CHAR_BACKWARD_SELECT:
 484                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 485                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 486                 if (isRTL(cur.paragraph()))
 487                         needsUpdate = cursorRight(cur);
 488                 else
 489                         needsUpdate = cursorLeft(cur);
 490
 491                 if (!needsUpdate && oldTopSlice == cur.top()
 492                         && cur.boundary() == oldBoundary) {
 493                         cur.undispatched();
 494                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 495                 }
 496                 break;
 497
 498         case LFUN_UP:
 499         case LFUN_UP_SELECT:
 500                 update(cur);
 501                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 502                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 503
 504                 needsUpdate = cursorUp(cur);
 505                 if (!needsUpdate && oldTopSlice == cur.top()
 506                           && cur.boundary() == oldBoundary) {
 507                         cur.undispatched();
 508                         cmd = FuncRequest(LFUN_FINISHED_UP);
 509                 }
 510                 break;
 511
 512         case LFUN_DOWN:
 513         case LFUN_DOWN_SELECT:
 514                 update(cur);
 515                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 516                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 517                 needsUpdate = cursorDown(cur);
 518                 if (!needsUpdate && oldTopSlice == cur.top() &&
 519                     cur.boundary() == oldBoundary)
 520                 {
 521                         cur.undispatched();
 522                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 523                 }
 524                 break;
 525
 526         case LFUN_PARAGRAPH_UP:
 527                 if (!cur.mark())
 528                         cur.clearSelection();
 529                 needsUpdate = cursorUpParagraph(cur);
 530                 finishChange(cur, false);
 531                 break;
 532
 533         case LFUN_PARAGRAPH_UP_SELECT:
 534                 if (!cur.selection())
 535                         cur.resetAnchor();
 536                 cursorUpParagraph(cur);
 537                 finishChange(cur, true);
 538                 break;
 539
 540         case LFUN_PARAGRAPH_DOWN:
 541                 if (!cur.mark())
 542                         cur.clearSelection();
 543                 needsUpdate = cursorDownParagraph(cur);
 544                 finishChange(cur, false);
 545                 break;
 546
 547         case LFUN_PARAGRAPH_DOWN_SELECT:
 548                 if (!cur.selection())
 549                         cur.resetAnchor();
 550                 cursorDownParagraph(cur);
 551                 finishChange(cur, true);
 552                 break;
 553
 554         case LFUN_SCREEN_UP_SELECT:
 555                 update(cur);
 556                 if (!cur.selection())
 557                         cur.resetAnchor();
 558                 needsUpdate = cursorPrevious(cur);
 559                 finishChange(cur, true);
 560                 break;
 561
 562         case LFUN_SCREEN_DOWN_SELECT:
 563                 update(cur);
 564                 if (!cur.selection())
 565                         cur.resetAnchor();
 566                 needsUpdate = cursorNext(cur);
 567                 finishChange(cur, true);
 568                 break;
 569
 570         case LFUN_LINE_BEGIN_SELECT:
 571                 update(cur);
 572                 if (!cur.selection())
 573                         cur.resetAnchor();
 574                 needsUpdate = cursorHome(cur);
 575                 finishChange(cur, true);
 576                 break;
 577
 578         case LFUN_LINE_END_SELECT:
 579                 update(cur);
 580                 if (!cur.selection())
 581                         cur.resetAnchor();
 582                 needsUpdate = cursorEnd(cur);
 583                 finishChange(cur, true);
 584                 break;
 585
 586         case LFUN_WORD_FORWARD_SELECT:
 587                 if (!cur.selection())
 588                         cur.resetAnchor();
 589                 if (isRTL(cur.paragraph()))
 590                         cursorLeftOneWord(cur);
 591                 else
 592                         cursorRightOneWord(cur);
 593                 finishChange(cur, true);
 594                 break;
 595
 596         case LFUN_WORD_BACKWARD_SELECT:
 597                 if (!cur.selection())
 598                         cur.resetAnchor();
 599                 if (isRTL(cur.paragraph()))
 600                         cursorRightOneWord(cur);
 601                 else
 602                         cursorLeftOneWord(cur);
 603                 finishChange(cur, true);
 604                 break;
 605
 606         case LFUN_WORD_SELECT: {
 607                 selectWord(cur, lyx::WHOLE_WORD);
 608                 finishChange(cur, true);
 609                 break;
 610         }
 611
 612         case LFUN_SCREEN_UP:
 613                 update(cur);
 614                 if (!cur.mark())
 615                         cur.clearSelection();
 616                 finishChange(cur, false);
 617                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 618                         cur.undispatched();
 619                         cmd = FuncRequest(LFUN_FINISHED_UP);
 620                 } else {
 621                         needsUpdate = cursorPrevious(cur);
 622                 }
 623                 break;
 624
 625         case LFUN_SCREEN_DOWN:
 626                 update(cur);
 627                 if (!cur.mark())
 628                         cur.clearSelection();
 629                 finishChange(cur, false);
 630                 if (cur.pit() == cur.lastpit()
 631                           && cur.textRow().endpos() == cur.lastpos()) {
 632                         cur.undispatched();
 633                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 634                 } else {
 635                         needsUpdate = cursorNext(cur);
 636                 }
 637                 break;
 638
 639         case LFUN_LINE_BEGIN:
 640                 if (!cur.mark())
 641                         cur.clearSelection();
 642                 needsUpdate = cursorHome(cur);
 643                 finishChange(cur, false);
 644                 break;
 645
 646         case LFUN_LINE_END:
 647                 if (!cur.mark())
 648                         cur.clearSelection();
 649                 needsUpdate = cursorEnd(cur);
 650                 finishChange(cur, false);
 651                 break;
 652
 653         case LFUN_BREAK_LINE: {
 654                 // Not allowed by LaTeX (labels or empty par)
 655                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 656                         lyx::cap::replaceSelection(cur);
 657                         cur.insert(new InsetNewline);
 658                         cur.posRight();
 659                         moveCursor(cur, false);
 660                 }
 661                 break;
 662         }
 663
 664         case LFUN_CHAR_DELETE_FORWARD:
 665                 if (!cur.selection()) {
 666                         if (cur.pos() == cur.paragraph().size())
 667                                 // Par boundary, force full-screen update
 668                                 singleParUpdate = false;
 669                         needsUpdate = erase(cur);
 670                         cur.resetAnchor();
 671                         // It is possible to make it a lot faster still
 672                         // just comment out the line below...
 673                 } else {
 674                         cutSelection(cur, true, false);
 675                         singleParUpdate = false;
 676                 }
 677                 moveCursor(cur, false);
 678                 break;
 679
 680         case LFUN_DELETE_FORWARD_SKIP:
 681                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 682                 if (!cur.selection()) {
 683                         if (cur.pos() == cur.lastpos()) {
 684                                 cursorRight(cur);
 685                                 cursorLeft(cur);
 686                         }
 687                         erase(cur);
 688                         cur.resetAnchor();
 689                 } else {
 690                         cutSelection(cur, true, false);
 691                 }
 692                 break;
 693
 694
 695         case LFUN_CHAR_DELETE_BACKWARD:
 696                 if (!cur.selection()) {
 697                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 698                                 // Par boundary, full-screen update
 699                                 if (cur.pos() == 0)
 700                                         singleParUpdate = false;
 701                                 needsUpdate = backspace(cur);
 702                                 cur.resetAnchor();
 703                                 // It is possible to make it a lot faster still
 704                                 // just comment out the line below...
 705                         }
 706                 } else {
 707                         cutSelection(cur, true, false);
 708                         singleParUpdate = false;
 709                 }
 710                 bv->switchKeyMap();
 711                 break;
 712
 713         case LFUN_DELETE_BACKWARD_SKIP:
 714                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 715                 if (!cur.selection()) {
 716 #ifdef WITH_WARNINGS
 717 #warning look here
 718 #endif
 719                         //CursorSlice cur = cursor();
 720                         backspace(cur);
 721                         //anchor() = cur;
 722                 } else {
 723                         cutSelection(cur, true, false);
 724                 }
 725                 break;
 726
 727         case LFUN_BREAK_PARAGRAPH:
 728                 lyx::cap::replaceSelection(cur);
 729                 breakParagraph(cur, 0);
 730                 cur.resetAnchor();
 731                 bv->switchKeyMap();
 732                 break;
 733
 734         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 735                 lyx::cap::replaceSelection(cur);
 736                 breakParagraph(cur, 1);
 737                 cur.resetAnchor();
 738                 bv->switchKeyMap();
 739                 break;
 740
 741         case LFUN_BREAK_PARAGRAPH_SKIP: {
 742                 // When at the beginning of a paragraph, remove
 743                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 744                 lyx::cap::replaceSelection(cur);
 745                 if (cur.pos() == 0)
 746                         cur.paragraph().params().labelWidthString(string());
 747                 else
 748                         breakParagraph(cur, 0);
 749                 cur.resetAnchor();
 750                 bv->switchKeyMap();
 751                 break;
 752         }
 753
 754         case LFUN_PARAGRAPH_SPACING: {
 755                 Paragraph & par = cur.paragraph();
 756                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 757                 string cur_value = "1.0";
 758                 if (cur_spacing == Spacing::Other)
 759                         cur_value = par.params().spacing().getValueAsString();
 760
 761                 istringstream is(cmd.argument);
 762                 string tmp;
 763                 is >> tmp;
 764                 Spacing::Space new_spacing = cur_spacing;
 765                 string new_value = cur_value;
 766                 if (tmp.empty()) {
 767                         lyxerr << "Missing argument to `paragraph-spacing'"
 768                                << endl;
 769                 } else if (tmp == "single") {
 770                         new_spacing = Spacing::Single;
 771                 } else if (tmp == "onehalf") {
 772                         new_spacing = Spacing::Onehalf;
 773                 } else if (tmp == "double") {
 774                         new_spacing = Spacing::Double;
 775                 } else if (tmp == "other") {
 776                         new_spacing = Spacing::Other;
 777                         string tmpval = "0.0";
 778                         is >> tmpval;
 779                         lyxerr << "new_value = " << tmpval << endl;
 780                         if (tmpval != "0.0")
 781                                 new_value = tmpval;
 782                 } else if (tmp == "default") {
 783                         new_spacing = Spacing::Default;
 784                 } else {
 785                         lyxerr << _("Unknown spacing argument: ")
 786                                << cmd.argument << endl;
 787                 }
 788                 if (cur_spacing != new_spacing || cur_value != new_value)
 789                         par.params().spacing(Spacing(new_spacing, new_value));
 790                 break;
 791         }
 792
 793         case LFUN_INSET_INSERT: {
 794                 recordUndo(cur);
 795                 InsetBase * inset = createInset(bv, cmd);
 796                 if (inset) {
 797                         insertInset(cur, inset);
 798                         cur.posRight();
 799                 }
 800                 break;
 801         }
 802
 803         case LFUN_INSET_SETTINGS:
 804                 cur.inset().showInsetDialog(bv);
 805                 break;
 806
 807         case LFUN_NEXT_INSET_TOGGLE: {
 808                 InsetBase * inset = cur.nextInset();
 809                 // this is the real function we want to invoke
 810                 cmd = FuncRequest(LFUN_INSET_TOGGLE);
 811                 cur.undispatched();
 812                 // if there is an inset at cursor, see whether it
 813                 // wants to toggle.
 814                 if (inset) {
 815                         LCursor tmpcur = cur;
 816                         tmpcur.pushLeft(*inset);
 817                         inset->dispatch(tmpcur, cmd);
 818                         if (tmpcur.result().dispatched()) {
 819                                 cur.clearSelection();
 820                                 cur.dispatched();
 821                         }
 822                 }
 823                 // if it did not work, try the underlying inset.
 824                 if (!cur.result().dispatched())
 825                         cur.inset().dispatch(cur, cmd);
 826                 break;
 827         }
 828
 829         case LFUN_SPACE_INSERT:
 830                 if (cur.paragraph().layout()->free_spacing)
 831                         insertChar(cur, ' ');
 832                 else {
 833                         doInsertInset(cur, this, cmd, false, false);
 834                         cur.posRight();
 835                 }
 836                 moveCursor(cur, false);
 837                 break;
 838
 839         case LFUN_HYPHENATION_POINT_INSERT:
 840                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 841                 break;
 842
 843         case LFUN_LIGATURE_BREAK_INSERT:
 844                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 845                 break;
 846
 847         case LFUN_DOTS_INSERT:
 848                 specialChar(cur, InsetSpecialChar::LDOTS);
 849                 break;
 850
 851         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 852                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 853                 break;
 854
 855         case LFUN_MENU_SEPARATOR_INSERT:
 856                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 857                 break;
 858
 859         case LFUN_WORD_UPCASE:
 860                 changeCase(cur, LyXText::text_uppercase);
 861                 break;
 862
 863         case LFUN_WORD_LOWCASE:
 864                 changeCase(cur, LyXText::text_lowercase);
 865                 break;
 866
 867         case LFUN_WORD_CAPITALIZE:
 868                 changeCase(cur, LyXText::text_capitalization);
 869                 break;
 870
 871         case LFUN_CHARS_TRANSPOSE:
 872                 recordUndo(cur);
 873                 break;
 874
 875         case LFUN_PASTE:
 876                 cur.message(_("Paste"));
 877                 lyx::cap::replaceSelection(cur);
 878                 if (isStrUnsignedInt(cmd.argument))
 879                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 880                 else
 881                         pasteSelection(cur, 0);
 882                 cur.clearSelection(); // bug 393
 883                 bv->switchKeyMap();
 884                 finishUndo();
 885                 break;
 886
 887         case LFUN_CUT:
 888                 cutSelection(cur, true, true);
 889                 cur.message(_("Cut"));
 890                 break;
 891
 892         case LFUN_COPY:
 893                 copySelection(cur);
 894                 cur.message(_("Copy"));
 895                 break;
 896
 897         case LFUN_SERVER_GET_XY:
 898                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 899                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 900                 break;
 901
 902         case LFUN_SERVER_SET_XY: {
 903                 int x = 0;
 904                 int y = 0;
 905                 istringstream is(cmd.argument);
 906                 is >> x >> y;
 907                 if (!is)
 908                         lyxerr << "SETXY: Could not parse coordinates in '"
 909                                << cmd.argument << std::endl;
 910                 else
 911                         setCursorFromCoordinates(cur, x, y);
 912                 break;
 913         }
 914
 915         case LFUN_SERVER_GET_FONT:
 916                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 917                         cur.message("E");
 918                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 919                         cur.message("N");
 920                 else
 921                         cur.message("0");
 922                 break;
 923
 924         case LFUN_SERVER_GET_LAYOUT:
 925                 cur.message(cur.paragraph().layout()->name());
 926                 break;
 927
 928         case LFUN_LAYOUT: {
 929                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 930                   << cmd.argument << endl;
 931
 932                 // This is not the good solution to the empty argument
 933                 // problem, but it will hopefully suffice for 1.2.0.
 934                 // The correct solution would be to augument the
 935                 // function list/array with information about what
 936                 // functions needs arguments and their type.
 937                 if (cmd.argument.empty()) {
 938                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 939                         break;
 940                 }
 941
 942                 // Derive layout number from given argument (string)
 943                 // and current buffer's textclass (number)
 944                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 945                 bool hasLayout = tclass.hasLayout(cmd.argument);
 946                 string layout = cmd.argument;
 947
 948                 // If the entry is obsolete, use the new one instead.
 949                 if (hasLayout) {
 950                         string const & obs = tclass[layout]->obsoleted_by();
 951                         if (!obs.empty())
 952                                 layout = obs;
 953                 }
 954
 955                 if (!hasLayout) {
 956                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 957                                 N_(" not known"));
 958                         break;
 959                 }
 960
 961                 bool change_layout = (current_layout != layout);
 962
 963                 if (!change_layout && cur.selection() &&
 964                         cur.selBegin().pit() != cur.selEnd().pit())
 965                 {
 966                         pit_type spit = cur.selBegin().pit();
 967                         pit_type epit = cur.selEnd().pit() + 1;
 968                         while (spit != epit) {
 969                                 if (pars_[spit].layout()->name() != current_layout) {
 970                                         change_layout = true;
 971                                         break;
 972                                 }
 973                                 ++spit;
 974                         }
 975                 }
 976
 977                 if (change_layout) {
 978                         current_layout = layout;
 979                         setLayout(cur, layout);
 980                         bv->owner()->setLayout(layout);
 981                         bv->switchKeyMap();
 982                 }
 983                 break;
 984         }
 985
 986         case LFUN_PRIMARY_SELECTION_PASTE: {
 987                 cur.clearSelection();
 988                 string const clip = bv->owner()->gui().clipboard().get();
 989                 if (!clip.empty()) {
 990                         recordUndo(cur);
 991                         if (cmd.argument == "paragraph")
 992                                 insertStringAsParagraphs(cur, clip);
 993                         else
 994                                 insertStringAsLines(cur, clip);
 995                 }
 996                 break;
 997         }
 998
 999         case LFUN_QUOTE_INSERT: {
1000                 lyx::cap::replaceSelection(cur);
1001                 Paragraph & par = cur.paragraph();
1002                 lyx::pos_type pos = cur.pos();
1003                 lyx::char_type c;
1004                 if (pos == 0)
1005                         c = ' ';
1006                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1007                         c = ' ';
1008                 else
1009                         c = par.getChar(pos - 1);
1010
1011                 LyXLayout_ptr const & style = par.layout();
1012
1013                 BufferParams const & bufparams = bv->buffer()->params();
1014                 if (!style->pass_thru
1015                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1016                         string arg = cmd.argument;
1017                         if (arg == "single")
1018                                 cur.insert(new InsetQuotes(c,
1019                                     bufparams.quotes_language,
1020                                     InsetQuotes::SingleQ));
1021                         else
1022                                 cur.insert(new InsetQuotes(c,
1023                                     bufparams.quotes_language,
1024                                     InsetQuotes::DoubleQ));
1025                         cur.posRight();
1026                 }
1027                 else
1028                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1029                 break;
1030         }
1031
1032         case LFUN_DATE_INSERT:
1033                 if (cmd.argument.empty())
1034                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
1035                                 lyx::formatted_time(lyx::current_time())));
1036                 else
1037                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
1038                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
1039                 break;
1040
1041         case LFUN_MOUSE_TRIPLE:
1042                 if (cmd.button() == mouse_button::button1) {
1043                         cursorHome(cur);
1044                         cur.resetAnchor();
1045                         cursorEnd(cur);
1046                         cur.setSelection();
1047                         bv->cursor() = cur;
1048                         bv->owner()->gui().clipboard().haveSelection(cur.selection());
1049                 }
1050                 break;
1051
1052         case LFUN_MOUSE_DOUBLE:
1053                 if (cmd.button() == mouse_button::button1) {
1054                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1055                         bv->cursor() = cur;
1056                         bv->owner()->gui().clipboard().haveSelection(cur.selection());
1057                 }
1058                 break;
1059
1060         // Single-click on work area
1061         case LFUN_MOUSE_PRESS: {
1062                 // Right click on a footnote flag opens float menu
1063                 if (cmd.button() == mouse_button::button3)
1064                         cur.clearSelection();
1065
1066                 // Middle button press pastes if we have a selection
1067                 // We do this here as if the selection was inside an inset
1068                 // it could get cleared on the unlocking of the inset so
1069                 // we have to check this first
1070                 bool paste_internally = false;
1071                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1072                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1073                         paste_internally = true;
1074                 }
1075
1076                 bv->mouseSetCursor(cur);
1077
1078                 // Insert primary selection with middle mouse
1079                 // if there is a local selection in the current buffer,
1080                 // insert this
1081                 if (cmd.button() == mouse_button::button2) {
1082                         if (paste_internally)
1083                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1084                         else
1085                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1086                 }
1087
1088                 break;
1089         }
1090
1091         case LFUN_MOUSE_MOTION: {
1092                 // Only use motion with button 1
1093                 //if (cmd.button() != mouse_button::button1)
1094                 //      return false;
1095
1096                 // ignore motions deeper nested than the real anchor
1097                 LCursor & bvcur = cur.bv().cursor();
1098                 if (bvcur.anchor_.hasPart(cur)) {
1099                         CursorSlice old = bvcur.top();
1100
1101                         int const wh = bv->workHeight();
1102                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1103
1104                         setCursorFromCoordinates(cur, cmd.x, y);
1105                         cur.x_target() = cmd.x;
1106                         if (cmd.y >= wh)
1107                                 cursorDown(cur);
1108                         else if (cmd.y < 0)
1109                                 cursorUp(cur);
1110                         // This is to allow jumping over large insets
1111                         if (cur.top() == old) {
1112                                 if (cmd.y >= wh)
1113                                         cursorDown(cur);
1114                                 else if (cmd.y < 0)
1115                                         cursorUp(cur);
1116                         }
1117
1118                         if (cur.top() == old)
1119                                 cur.noUpdate();
1120                         else {
1121                                 // don't set anchor_
1122                                 bvcur.setCursor(cur);
1123                                 bvcur.selection() = true;
1124                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1125                         }
1126
1127                 } else
1128                         cur.undispatched();
1129                 break;
1130         }
1131
1132         case LFUN_MOUSE_RELEASE: {
1133                 if (cmd.button() == mouse_button::button2)
1134                         break;
1135
1136                 // finish selection
1137                 if (cmd.button() == mouse_button::button1)
1138                         bv->owner()->gui().clipboard().haveSelection(cur.selection());
1139
1140                 bv->switchKeyMap();
1141                 bv->owner()->updateMenubar();
1142                 bv->owner()->updateToolbars();
1143                 break;
1144         }
1145
1146         case LFUN_SELF_INSERT: {
1147                 if (cmd.argument.empty())
1148                         break;
1149
1150                 // Automatically delete the currently selected
1151                 // text and replace it with what is being
1152                 // typed in now. Depends on lyxrc settings
1153                 // "auto_region_delete", which defaults to
1154                 // true (on).
1155
1156                 if (lyxrc.auto_region_delete) {
1157                         if (cur.selection())
1158                                 cutSelection(cur, false, false);
1159                         bv->owner()->gui().clipboard().haveSelection(false);
1160                 }
1161
1162                 cur.clearSelection();
1163                 LyXFont const old_font = real_current_font;
1164
1165                 string::const_iterator cit = cmd.argument.begin();
1166                 string::const_iterator end = cmd.argument.end();
1167                 for (; cit != end; ++cit)
1168                         bv->owner()->getIntl().getTransManager().
1169                                 translateAndInsert(*cit, this);
1170
1171                 cur.resetAnchor();
1172                 moveCursor(cur, false);
1173                 break;
1174         }
1175
1176         case LFUN_URL_INSERT: {
1177                 InsetCommandParams p("url");
1178                 string const data = InsetCommandMailer::params2string("url", p);
1179                 bv->owner()->getDialogs().show("url", data, 0);
1180                 break;
1181         }
1182
1183         case LFUN_HTML_INSERT: {
1184                 InsetCommandParams p("htmlurl");
1185                 string const data = InsetCommandMailer::params2string("url", p);
1186                 bv->owner()->getDialogs().show("url", data, 0);
1187                 break;
1188         }
1189
1190         case LFUN_LABEL_INSERT: {
1191                 // Try to generate a valid label
1192                 string const contents = cmd.argument.empty() ?
1193                         cur.getPossibleLabel() : cmd.argument;
1194
1195                 InsetCommandParams p("label", contents);
1196                 string const data = InsetCommandMailer::params2string("label", p);
1197
1198                 if (cmd.argument.empty()) {
1199                         bv->owner()->getDialogs().show("label", data, 0);
1200                 } else {
1201                         FuncRequest fr(LFUN_INSET_INSERT, data);
1202                         dispatch(cur, fr);
1203                 }
1204                 break;
1205         }
1206
1207
1208 #if 0
1209         case LFUN_LIST_INSERT:
1210         case LFUN_THEOREM_INSERT:
1211         case LFUN_CAPTION_INSERT:
1212 #endif
1213         case LFUN_NOTE_INSERT:
1214         case LFUN_CHARSTYLE_INSERT:
1215         case LFUN_BOX_INSERT:
1216         case LFUN_BRANCH_INSERT:
1217         case LFUN_BIBITEM_INSERT:
1218         case LFUN_ERT_INSERT:
1219         case LFUN_FOOTNOTE_INSERT:
1220         case LFUN_MARGINALNOTE_INSERT:
1221         case LFUN_OPTIONAL_INSERT:
1222         case LFUN_ENVIRONMENT_INSERT:
1223                 // Open the inset, and move the current selection
1224                 // inside it.
1225                 doInsertInset(cur, this, cmd, true, true);
1226                 cur.posRight();
1227                 break;
1228
1229         case LFUN_TABULAR_INSERT:
1230                 // if there were no arguments, just open the dialog
1231                 if (doInsertInset(cur, this, cmd, false, true))
1232                         cur.posRight();
1233                 else
1234                         bv->owner()->getDialogs().show("tabularcreate");
1235
1236                 break;
1237
1238         case LFUN_FLOAT_INSERT:
1239         case LFUN_FLOAT_WIDE_INSERT:
1240         case LFUN_WRAP_INSERT:
1241                 doInsertInset(cur, this, cmd, true, true);
1242                 cur.posRight();
1243                 // FIXME: the "Caption" name should not be hardcoded,
1244                 // but given by the float definition.
1245                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1246                 break;
1247
1248         case LFUN_INDEX_INSERT: {
1249                 InsetBase * inset = createInset(&cur.bv(), cmd);
1250                 if (!inset)
1251                         break;
1252
1253                 recordUndo(cur);
1254                 cur.clearSelection();
1255                 insertInset(cur, inset);
1256                 inset->edit(cur, true);
1257                 cur.posRight();
1258                 break;
1259         }
1260
1261         case LFUN_INDEX_PRINT:
1262         case LFUN_TOC_INSERT:
1263         case LFUN_HFILL_INSERT:
1264         case LFUN_LINE_INSERT:
1265         case LFUN_PAGEBREAK_INSERT:
1266                 // do nothing fancy
1267                 doInsertInset(cur, this, cmd, false, false);
1268                 cur.posRight();
1269                 break;
1270
1271         case LFUN_DEPTH_DECREMENT:
1272                 changeDepth(cur, DEC_DEPTH);
1273                 break;
1274
1275         case LFUN_DEPTH_INCREMENT:
1276                 changeDepth(cur, INC_DEPTH);
1277                 break;
1278
1279         case LFUN_MATH_DISPLAY:
1280                 mathDispatch(cur, cmd, true);
1281                 break;
1282
1283         case LFUN_MATH_IMPORT_SELECTION:
1284         case LFUN_MATH_MODE:
1285                 if (cmd.argument == "on")
1286                         // don't pass "on" as argument
1287                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1288                 else
1289                         mathDispatch(cur, cmd, false);
1290                 break;
1291
1292         case LFUN_MATH_MACRO:
1293                 if (cmd.argument.empty())
1294                         cur.errorMessage(N_("Missing argument"));
1295                 else {
1296                         string s = cmd.argument;
1297                         string const s1 = token(s, ' ', 1);
1298                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1299                         string const s2 = token(s, ' ', 2);
1300                         string const type = s2.empty() ? "newcommand" : s2;
1301                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1302                         //cur.nextInset()->edit(cur, true);
1303                 }
1304                 break;
1305
1306         // passthrough hat and underscore outside mathed:
1307         case LFUN_MATH_SUBSCRIPT:
1308                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1309                 break;
1310         case LFUN_MATH_SUPERSCRIPT:
1311                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1312                 break;
1313
1314         case LFUN_MATH_INSERT:
1315         case LFUN_MATH_MATRIX:
1316         case LFUN_MATH_DELIM:
1317         case LFUN_MATH_BIGDELIM: {
1318                 cur.insert(new MathHullInset("simple"));
1319                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1320                 cur.dispatch(cmd);
1321                 break;
1322         }
1323
1324         case LFUN_FONT_EMPH: {
1325                 LyXFont font(LyXFont::ALL_IGNORE);
1326                 font.setEmph(LyXFont::TOGGLE);
1327                 toggleAndShow(cur, this, font);
1328                 break;
1329         }
1330
1331         case LFUN_FONT_BOLD: {
1332                 LyXFont font(LyXFont::ALL_IGNORE);
1333                 font.setSeries(LyXFont::BOLD_SERIES);
1334                 toggleAndShow(cur, this, font);
1335                 break;
1336         }
1337
1338         case LFUN_FONT_NOUN: {
1339                 LyXFont font(LyXFont::ALL_IGNORE);
1340                 font.setNoun(LyXFont::TOGGLE);
1341                 toggleAndShow(cur, this, font);
1342                 break;
1343         }
1344
1345         case LFUN_FONT_CODE: {
1346                 LyXFont font(LyXFont::ALL_IGNORE);
1347                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1348                 toggleAndShow(cur, this, font);
1349                 break;
1350         }
1351
1352         case LFUN_FONT_SANS: {
1353                 LyXFont font(LyXFont::ALL_IGNORE);
1354                 font.setFamily(LyXFont::SANS_FAMILY);
1355                 toggleAndShow(cur, this, font);
1356                 break;
1357         }
1358
1359         case LFUN_FONT_ROMAN: {
1360                 LyXFont font(LyXFont::ALL_IGNORE);
1361                 font.setFamily(LyXFont::ROMAN_FAMILY);
1362                 toggleAndShow(cur, this, font);
1363                 break;
1364         }
1365
1366         case LFUN_FONT_DEFAULT: {
1367                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1368                 toggleAndShow(cur, this, font);
1369                 break;
1370         }
1371
1372         case LFUN_FONT_UNDERLINE: {
1373                 LyXFont font(LyXFont::ALL_IGNORE);
1374                 font.setUnderbar(LyXFont::TOGGLE);
1375                 toggleAndShow(cur, this, font);
1376                 break;
1377         }
1378
1379         case LFUN_FONT_SIZE: {
1380                 LyXFont font(LyXFont::ALL_IGNORE);
1381                 font.setLyXSize(cmd.argument);
1382                 toggleAndShow(cur, this, font);
1383                 break;
1384         }
1385
1386         case LFUN_LANGUAGE: {
1387                 Language const * lang = languages.getLanguage(cmd.argument);
1388                 if (!lang)
1389                         break;
1390                 LyXFont font(LyXFont::ALL_IGNORE);
1391                 font.setLanguage(lang);
1392                 toggleAndShow(cur, this, font);
1393                 bv->switchKeyMap();
1394                 break;
1395         }
1396
1397         case LFUN_FONT_FREE_APPLY:
1398                 toggleAndShow(cur, this, freefont, toggleall);
1399                 cur.message(_("Character set"));
1400                 break;
1401
1402         // Set the freefont using the contents of \param data dispatched from
1403         // the frontends and apply it at the current cursor location.
1404         case LFUN_FONT_FREE_UPDATE: {
1405                 LyXFont font;
1406                 bool toggle;
1407                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1408                         freefont = font;
1409                         toggleall = toggle;
1410                         toggleAndShow(cur, this, freefont, toggleall);
1411                         cur.message(_("Character set"));
1412                 }
1413                 break;
1414         }
1415
1416         case LFUN_FINISHED_LEFT:
1417                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1418                 break;
1419
1420         case LFUN_FINISHED_RIGHT:
1421                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1422                 ++cur.pos();
1423                 break;
1424
1425         case LFUN_FINISHED_UP:
1426                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1427                 cursorUp(cur);
1428                 break;
1429
1430         case LFUN_FINISHED_DOWN:
1431                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1432                 cursorDown(cur);
1433                 break;
1434
1435         case LFUN_LAYOUT_PARAGRAPH: {
1436                 string data;
1437                 params2string(cur.paragraph(), data);
1438                 data = "show\n" + data;
1439                 bv->owner()->getDialogs().show("paragraph", data);
1440                 break;
1441         }
1442
1443         case LFUN_PARAGRAPH_UPDATE: {
1444                 if (!bv->owner()->getDialogs().visible("paragraph"))
1445                         break;
1446                 string data;
1447                 params2string(cur.paragraph(), data);
1448
1449                 // Will the paragraph accept changes from the dialog?
1450                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1451
1452                 data = "update " + convert<string>(accept) + '\n' + data;
1453                 bv->owner()->getDialogs().update("paragraph", data);
1454                 break;
1455         }
1456
1457         case LFUN_ACCENT_UMLAUT:
1458         case LFUN_ACCENT_CIRCUMFLEX:
1459         case LFUN_ACCENT_GRAVE:
1460         case LFUN_ACCENT_ACUTE:
1461         case LFUN_ACCENT_TILDE:
1462         case LFUN_ACCENT_CEDILLA:
1463         case LFUN_ACCENT_MACRON:
1464         case LFUN_ACCENT_DOT:
1465         case LFUN_ACCENT_UNDERDOT:
1466         case LFUN_ACCENT_UNDERBAR:
1467         case LFUN_ACCENT_CARON:
1468         case LFUN_ACCENT_SPECIAL_CARON:
1469         case LFUN_ACCENT_BREVE:
1470         case LFUN_ACCENT_TIE:
1471         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1472         case LFUN_ACCENT_CIRCLE:
1473         case LFUN_ACCENT_OGONEK:
1474                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1475                 if (!cmd.argument.empty())
1476                         bv->owner()->getIntl().getTransManager()
1477                                 .translateAndInsert(cmd.argument[0], this);
1478                 break;
1479
1480         case LFUN_FLOAT_LIST: {
1481                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1482                 if (tclass.floats().typeExist(cmd.argument)) {
1483                         // not quite sure if we want this...
1484                         recordUndo(cur);
1485                         cur.clearSelection();
1486                         breakParagraph(cur);
1487
1488                         if (cur.lastpos() != 0) {
1489                                 cursorLeft(cur);
1490                                 breakParagraph(cur);
1491                         }
1492
1493                         setLayout(cur, tclass.defaultLayoutName());
1494                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1495                         insertInset(cur, new InsetFloatList(cmd.argument));
1496                         cur.posRight();
1497                 } else {
1498                         lyxerr << "Non-existent float type: "
1499                                << cmd.argument << endl;
1500                 }
1501                 break;
1502         }
1503
1504         case LFUN_CHANGE_ACCEPT: {
1505                 acceptChange(cur);
1506                 break;
1507         }
1508
1509         case LFUN_CHANGE_REJECT: {
1510                 rejectChange(cur);
1511                 break;
1512         }
1513
1514         case LFUN_THESAURUS_ENTRY: {
1515                 string arg = cmd.argument;
1516                 if (arg.empty()) {
1517                         arg = cur.selectionAsString(false);
1518                         // FIXME
1519                         if (arg.size() > 100 || arg.empty()) {
1520                                 // Get word or selection
1521                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1522                                 arg = cur.selectionAsString(false);
1523                         }
1524                 }
1525                 bv->owner()->getDialogs().show("thesaurus", arg);
1526                 break;
1527         }
1528
1529         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1530                 // Given data, an encoding of the ParagraphParameters
1531                 // generated in the Paragraph dialog, this function sets
1532                 // the current paragraph appropriately.
1533                 istringstream is(cmd.argument);
1534                 LyXLex lex(0, 0);
1535                 lex.setStream(is);
1536                 ParagraphParameters params;
1537                 params.read(lex);
1538                 setParagraph(cur,
1539                                          params.spacing(),
1540                                          params.align(),
1541                                          params.labelWidthString(),
1542                                          params.noindent());
1543                 cur.message(_("Paragraph layout set"));
1544                 break;
1545         }
1546
1547         case LFUN_INSET_DIALOG_SHOW: {
1548                 InsetBase * inset = cur.nextInset();
1549                 if (inset) {
1550                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1551                         inset->dispatch(cur, fr);
1552                 }
1553                 break;
1554         }
1555
1556         case LFUN_ESCAPE:
1557                 if (cur.selection()) {
1558                         cur.selection() = false;
1559                 } else {
1560                         cur.undispatched();
1561                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1562                 }
1563                 break;
1564
1565         default:
1566                 lyxerr[Debug::ACTION]
1567                         << BOOST_CURRENT_FUNCTION
1568                         << ": Command " << cmd
1569                         << " not DISPATCHED by LyXText" << endl;
1570                 cur.undispatched();
1571                 break;
1572         }
1573
1574         if (singleParUpdate)
1575                 // Inserting characters does not change par height
1576                 if (cur.bottom().paragraph().dim().height()
1577                     == olddim.height()) {
1578                         // if so, update _only_ this paragraph
1579                         cur.bv().update(Update::SinglePar |
1580                                         Update::FitCursor |
1581                                         Update::MultiParSel);
1582                         cur.noUpdate();
1583                         return;
1584                 } else
1585                         needsUpdate = true;
1586         if (!needsUpdate
1587             && &oldTopSlice.inset() == &cur.inset()
1588             && oldTopSlice.idx() == cur.idx()
1589             && !sel
1590             && !cur.selection())
1591                 cur.noUpdate();
1592         else
1593                 cur.needsUpdate();
1594 }
1595
1596
1597 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1598                         FuncStatus & flag) const
1599 {
1600         BOOST_ASSERT(cur.text() == this);
1601
1602         LyXFont const & font = real_current_font;
1603         bool enable = true;
1604         InsetBase::Code code = InsetBase::NO_CODE;
1605
1606         switch (cmd.action) {
1607
1608         case LFUN_DEPTH_DECREMENT:
1609                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1610                 break;
1611
1612         case LFUN_DEPTH_INCREMENT:
1613                 enable = changeDepthAllowed(cur, INC_DEPTH);
1614                 break;
1615
1616         case LFUN_APPENDIX:
1617                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1618                 return true;
1619
1620         case LFUN_BIBITEM_INSERT:
1621                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1622                 break;
1623
1624         case LFUN_DIALOG_SHOW_NEW_INSET:
1625                 if (cmd.argument == "bibitem")
1626                         code = InsetBase::BIBITEM_CODE;
1627                 else if (cmd.argument == "bibtex")
1628                         code = InsetBase::BIBTEX_CODE;
1629                 else if (cmd.argument == "box")
1630                         code = InsetBase::BOX_CODE;
1631                 else if (cmd.argument == "branch")
1632                         code = InsetBase::BRANCH_CODE;
1633                 else if (cmd.argument == "citation")
1634                         code = InsetBase::CITE_CODE;
1635                 else if (cmd.argument == "ert")
1636                         code = InsetBase::ERT_CODE;
1637                 else if (cmd.argument == "external")
1638                         code = InsetBase::EXTERNAL_CODE;
1639                 else if (cmd.argument == "float")
1640                         code = InsetBase::FLOAT_CODE;
1641                 else if (cmd.argument == "graphics")
1642                         code = InsetBase::GRAPHICS_CODE;
1643                 else if (cmd.argument == "include")
1644                         code = InsetBase::INCLUDE_CODE;
1645                 else if (cmd.argument == "index")
1646                         code = InsetBase::INDEX_CODE;
1647                 else if (cmd.argument == "label")
1648                         code = InsetBase::LABEL_CODE;
1649                 else if (cmd.argument == "note")
1650                         code = InsetBase::NOTE_CODE;
1651                 else if (cmd.argument == "ref")
1652                         code = InsetBase::REF_CODE;
1653                 else if (cmd.argument == "toc")
1654                         code = InsetBase::TOC_CODE;
1655                 else if (cmd.argument == "url")
1656                         code = InsetBase::URL_CODE;
1657                 else if (cmd.argument == "vspace")
1658                         code = InsetBase::VSPACE_CODE;
1659                 else if (cmd.argument == "wrap")
1660                         code = InsetBase::WRAP_CODE;
1661                 break;
1662
1663         case LFUN_ERT_INSERT:
1664                 code = InsetBase::ERT_CODE;
1665                 break;
1666         case LFUN_FOOTNOTE_INSERT:
1667                 code = InsetBase::FOOT_CODE;
1668                 break;
1669         case LFUN_TABULAR_INSERT:
1670                 code = InsetBase::TABULAR_CODE;
1671                 break;
1672         case LFUN_MARGINALNOTE_INSERT:
1673                 code = InsetBase::MARGIN_CODE;
1674                 break;
1675         case LFUN_FLOAT_INSERT:
1676         case LFUN_FLOAT_WIDE_INSERT:
1677                 code = InsetBase::FLOAT_CODE;
1678                 break;
1679         case LFUN_WRAP_INSERT:
1680                 code = InsetBase::WRAP_CODE;
1681                 break;
1682         case LFUN_FLOAT_LIST:
1683                 code = InsetBase::FLOAT_LIST_CODE;
1684                 break;
1685 #if 0
1686         case LFUN_LIST_INSERT:
1687                 code = InsetBase::LIST_CODE;
1688                 break;
1689         case LFUN_THEOREM_INSERT:
1690                 code = InsetBase::THEOREM_CODE;
1691                 break;
1692 #endif
1693         case LFUN_CAPTION_INSERT:
1694                 code = InsetBase::CAPTION_CODE;
1695                 break;
1696         case LFUN_NOTE_INSERT:
1697                 code = InsetBase::NOTE_CODE;
1698                 break;
1699         case LFUN_CHARSTYLE_INSERT:
1700                 code = InsetBase::CHARSTYLE_CODE;
1701                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1702                         enable = false;
1703                 break;
1704         case LFUN_BOX_INSERT:
1705                 code = InsetBase::BOX_CODE;
1706                 break;
1707         case LFUN_BRANCH_INSERT:
1708                 code = InsetBase::BRANCH_CODE;
1709                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1710                         enable = false;
1711                 break;
1712         case LFUN_LABEL_INSERT:
1713                 code = InsetBase::LABEL_CODE;
1714                 break;
1715         case LFUN_OPTIONAL_INSERT:
1716                 code = InsetBase::OPTARG_CODE;
1717                 enable = numberOfOptArgs(cur.paragraph())
1718                         < cur.paragraph().layout()->optionalargs;
1719                 break;
1720         case LFUN_ENVIRONMENT_INSERT:
1721                 code = InsetBase::BOX_CODE;
1722                 break;
1723         case LFUN_INDEX_INSERT:
1724                 code = InsetBase::INDEX_CODE;
1725                 break;
1726         case LFUN_INDEX_PRINT:
1727                 code = InsetBase::INDEX_PRINT_CODE;
1728                 break;
1729         case LFUN_TOC_INSERT:
1730                 code = InsetBase::TOC_CODE;
1731                 break;
1732         case LFUN_HTML_INSERT:
1733         case LFUN_URL_INSERT:
1734                 code = InsetBase::URL_CODE;
1735                 break;
1736         case LFUN_QUOTE_INSERT:
1737                 // always allow this, since we will inset a raw quote
1738                 // if an inset is not allowed.
1739                 break;
1740         case LFUN_HYPHENATION_POINT_INSERT:
1741         case LFUN_LIGATURE_BREAK_INSERT:
1742         case LFUN_HFILL_INSERT:
1743         case LFUN_MENU_SEPARATOR_INSERT:
1744         case LFUN_DOTS_INSERT:
1745         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1746                 code = InsetBase::SPECIALCHAR_CODE;
1747                 break;
1748         case LFUN_SPACE_INSERT:
1749                 // slight hack: we know this is allowed in math mode
1750                 if (cur.inTexted())
1751                         code = InsetBase::SPACE_CODE;
1752                 break;
1753
1754 #ifdef WITH_WARNINGS
1755 #warning This LFUN is not used anymore and should be nuked (JMarc 29/10/2005)
1756 #endif
1757 #if 0
1758         case LFUN_INSET_DIALOG_SHOW: {
1759                 InsetBase * inset = cur.nextInset();
1760                 enable = inset;
1761                 if (inset) {
1762                         code = inset->lyxCode();
1763                         if (!(code == InsetBase::INCLUDE_CODE
1764                                 || code == InsetBase::BIBTEX_CODE
1765                                 || code == InsetBase::FLOAT_LIST_CODE
1766                                 || code == InsetBase::TOC_CODE))
1767                                 enable = false;
1768                 }
1769                 break;
1770         }
1771 #endif
1772
1773         case LFUN_INSET_MODIFY:
1774                 // We need to disable this, because we may get called for a
1775                 // tabular cell via
1776                 // InsetTabular::getStatus() -> InsetText::getStatus()
1777                 // and we don't handle LFUN_INSET_MODIFY.
1778                 enable = false;
1779                 break;
1780
1781         case LFUN_FONT_EMPH:
1782                 flag.setOnOff(font.emph() == LyXFont::ON);
1783                 return true;
1784
1785         case LFUN_FONT_NOUN:
1786                 flag.setOnOff(font.noun() == LyXFont::ON);
1787                 return true;
1788
1789         case LFUN_FONT_BOLD:
1790                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1791                 return true;
1792
1793         case LFUN_FONT_SANS:
1794                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1795                 return true;
1796
1797         case LFUN_FONT_ROMAN:
1798                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1799                 return true;
1800
1801         case LFUN_FONT_CODE:
1802                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1803                 return true;
1804
1805         case LFUN_CUT:
1806         case LFUN_COPY:
1807                 enable = cur.selection();
1808                 break;
1809
1810         case LFUN_PASTE:
1811                 enable = lyx::cap::numberOfSelections() > 0;
1812                 break;
1813
1814         case LFUN_PARAGRAPH_MOVE_UP: {
1815                 enable = cur.pit() > 0 && !cur.selection();
1816                 break;
1817         }
1818
1819         case LFUN_PARAGRAPH_MOVE_DOWN: {
1820                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1821                 break;
1822         }
1823
1824         case LFUN_WORD_DELETE_FORWARD:
1825         case LFUN_WORD_DELETE_BACKWARD:
1826         case LFUN_LINE_DELETE:
1827         case LFUN_WORD_FORWARD:
1828         case LFUN_WORD_BACKWARD:
1829         case LFUN_CHAR_FORWARD:
1830         case LFUN_CHAR_FORWARD_SELECT:
1831         case LFUN_CHAR_BACKWARD:
1832         case LFUN_CHAR_BACKWARD_SELECT:
1833         case LFUN_UP:
1834         case LFUN_UP_SELECT:
1835         case LFUN_DOWN:
1836         case LFUN_DOWN_SELECT:
1837         case LFUN_PARAGRAPH_UP_SELECT:
1838         case LFUN_PARAGRAPH_DOWN_SELECT:
1839         case LFUN_SCREEN_UP_SELECT:
1840         case LFUN_SCREEN_DOWN_SELECT:
1841         case LFUN_LINE_BEGIN_SELECT:
1842         case LFUN_LINE_END_SELECT:
1843         case LFUN_WORD_FORWARD_SELECT:
1844         case LFUN_WORD_BACKWARD_SELECT:
1845         case LFUN_WORD_SELECT:
1846         case LFUN_PARAGRAPH_UP:
1847         case LFUN_PARAGRAPH_DOWN:
1848         case LFUN_SCREEN_UP:
1849         case LFUN_SCREEN_DOWN:
1850         case LFUN_LINE_BEGIN:
1851         case LFUN_LINE_END:
1852         case LFUN_BREAK_LINE:
1853         case LFUN_CHAR_DELETE_FORWARD:
1854         case LFUN_DELETE_FORWARD_SKIP:
1855         case LFUN_CHAR_DELETE_BACKWARD:
1856         case LFUN_DELETE_BACKWARD_SKIP:
1857         case LFUN_BREAK_PARAGRAPH:
1858         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1859         case LFUN_BREAK_PARAGRAPH_SKIP:
1860         case LFUN_PARAGRAPH_SPACING:
1861         case LFUN_INSET_INSERT:
1862         case LFUN_NEXT_INSET_TOGGLE:
1863         case LFUN_WORD_UPCASE:
1864         case LFUN_WORD_LOWCASE:
1865         case LFUN_WORD_CAPITALIZE:
1866         case LFUN_CHARS_TRANSPOSE:
1867         case LFUN_SERVER_GET_XY:
1868         case LFUN_SERVER_SET_XY:
1869         case LFUN_SERVER_GET_FONT:
1870         case LFUN_SERVER_GET_LAYOUT:
1871         case LFUN_LAYOUT:
1872         case LFUN_PRIMARY_SELECTION_PASTE:
1873         case LFUN_DATE_INSERT:
1874         case LFUN_SELF_INSERT:
1875         case LFUN_LINE_INSERT:
1876         case LFUN_PAGEBREAK_INSERT:
1877         case LFUN_MATH_DISPLAY:
1878         case LFUN_MATH_IMPORT_SELECTION:
1879         case LFUN_MATH_MODE:
1880         case LFUN_MATH_MACRO:
1881         case LFUN_MATH_INSERT:
1882         case LFUN_MATH_MATRIX:
1883         case LFUN_MATH_DELIM:
1884         case LFUN_MATH_BIGDELIM:
1885         case LFUN_MATH_SUBSCRIPT:
1886         case LFUN_MATH_SUPERSCRIPT:
1887         case LFUN_FONT_DEFAULT:
1888         case LFUN_FONT_UNDERLINE:
1889         case LFUN_FONT_SIZE:
1890         case LFUN_LANGUAGE:
1891         case LFUN_FONT_FREE_APPLY:
1892         case LFUN_FONT_FREE_UPDATE:
1893         case LFUN_LAYOUT_PARAGRAPH:
1894         case LFUN_PARAGRAPH_UPDATE:
1895         case LFUN_ACCENT_UMLAUT:
1896         case LFUN_ACCENT_CIRCUMFLEX:
1897         case LFUN_ACCENT_GRAVE:
1898         case LFUN_ACCENT_ACUTE:
1899         case LFUN_ACCENT_TILDE:
1900         case LFUN_ACCENT_CEDILLA:
1901         case LFUN_ACCENT_MACRON:
1902         case LFUN_ACCENT_DOT:
1903         case LFUN_ACCENT_UNDERDOT:
1904         case LFUN_ACCENT_UNDERBAR:
1905         case LFUN_ACCENT_CARON:
1906         case LFUN_ACCENT_SPECIAL_CARON:
1907         case LFUN_ACCENT_BREVE:
1908         case LFUN_ACCENT_TIE:
1909         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1910         case LFUN_ACCENT_CIRCLE:
1911         case LFUN_ACCENT_OGONEK:
1912         case LFUN_CHANGE_ACCEPT:
1913         case LFUN_CHANGE_REJECT:
1914         case LFUN_THESAURUS_ENTRY:
1915         case LFUN_PARAGRAPH_PARAMS_APPLY:
1916         case LFUN_ESCAPE:
1917         case LFUN_BUFFER_END:
1918         case LFUN_BUFFER_BEGIN:
1919         case LFUN_BUFFER_BEGIN_SELECT:
1920         case LFUN_BUFFER_END_SELECT:
1921                 // these are handled in our dispatch()
1922                 enable = true;
1923                 break;
1924
1925         default:
1926                 return false;
1927         }
1928
1929         if (code != InsetBase::NO_CODE
1930             && (cur.empty() || !cur.inset().insetAllowed(code)))
1931                 enable = false;
1932
1933         flag.enabled(enable);
1934         return true;
1935 }