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