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 "errorlist.h"
  33 #include "factory.h"
  34 #include "funcrequest.h"
  35 #include "gettext.h"
  36 #include "intl.h"
  37 #include "language.h"
  38 #include "LyXAction.h"
  39 #include "lyxfunc.h"
  40 #include "lyxlex.h"
  41 #include "lyxrc.h"
  42 #include "lyxrow.h"
  43 #include "paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "undo.h"
  47 #include "vspace.h"
  48 #include "pariterator.h"
  49
  50 #include "frontends/Dialogs.h"
  51 #include "frontends/Gui.h"
  52 #include "frontends/LyXView.h"
  53 #include "frontends/Clipboard.h"
  54 #include "frontends/Selection.h"
  55
  56 #include "insets/insetcommand.h"
  57 #include "insets/insetfloatlist.h"
  58 #include "insets/insetnewline.h"
  59 #include "insets/insetquotes.h"
  60 #include "insets/insetspecialchar.h"
  61 #include "insets/insettext.h"
  62
  63 #include "support/lstrings.h"
  64 #include "support/lyxlib.h"
  65 #include "support/convert.h"
  66 #include "support/lyxtime.h"
  67 #include "support/unicode.h"
  68
  69 #include "mathed/math_hullinset.h"
  70 #include "mathed/math_macrotemplate.h"
  71
  72 #include <boost/current_function.hpp>
  73
  74 #include <clocale>
  75 #include <sstream>
  76
  77 using lyx::char_type;
  78 using lyx::pos_type;
  79
  80 using lyx::cap::copySelection;
  81 using lyx::cap::cutSelection;
  82 using lyx::cap::pasteSelection;
  83 using lyx::cap::replaceSelection;
  84
  85 using lyx::support::isStrUnsignedInt;
  86 using lyx::support::token;
  87
  88 using lyx::frontend::Gui;
  89 using lyx::frontend::Clipboard;
  90
  91 using std::endl;
  92 using std::string;
  93 using std::istringstream;
  94 using std::ostringstream;
  95
  96
  97 extern string current_layout;
  98
  99
 100 namespace {
 101
 102         // globals...
 103         LyXFont freefont(LyXFont::ALL_IGNORE);
 104         bool toggleall = false;
 105
 106
 107         void toggleAndShow(LCursor & cur, LyXText * text,
 108                 LyXFont const & font, bool toggleall = true)
 109         {
 110                 text->toggleFree(cur, font, toggleall);
 111
 112                 if (font.language() != ignore_language ||
 113                                 font.number() != LyXFont::IGNORE) {
 114                         Paragraph & par = cur.paragraph();
 115                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 116                         if (cur.boundary() !=
 117                                         text->bidi.isBoundary(cur.buffer(), par,
 118                                                         cur.pos(),
 119                                                         text->real_current_font))
 120                                 text->setCursor(cur, cur.pit(), cur.pos(),
 121                                                 false, !cur.boundary());
 122                 }
 123         }
 124
 125
 126         void moveCursor(LCursor & cur, bool selecting)
 127         {
 128                 if (selecting || cur.mark())
 129                         cur.setSelection();
 130                 if (!cur.selection())
 131                         cur.bv().owner()->gui().selection().haveSelection(false);
 132                 cur.bv().switchKeyMap();
 133         }
 134
 135
 136         void finishChange(LCursor & cur, bool selecting)
 137         {
 138                 finishUndo();
 139                 moveCursor(cur, selecting);
 140         }
 141
 142
 143         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 144         {
 145                 recordUndo(cur);
 146                 string sel = cur.selectionAsString(false);
 147                 //lyxerr << "selection is: '" << sel << "'" << endl;
 148
 149                 // It may happen that sel is empty but there is a selection
 150                 replaceSelection(cur);
 151
 152                 if (sel.empty()) {
 153                         const int old_pos = cur.pos();
 154                         cur.insert(new MathHullInset("simple"));
 155                         BOOST_ASSERT(old_pos == cur.pos());
 156                         cur.nextInset()->edit(cur, true);
 157                         // don't do that also for LFUN_MATH_MODE
 158                         // unless you want end up with always changing
 159                         // to mathrm when opening an inlined inset --
 160                         // I really hate "LyXfunc overloading"...
 161                         if (display)
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 163                         // Avoid an unnecessary undo step if cmd.argument
 164                         // is empty
 165                         if (!cmd.argument.empty())
 166                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 167                                                          cmd.argument));
 168                 } else {
 169                         // create a macro if we see "\\newcommand"
 170                         // somewhere, and an ordinary formula
 171                         // otherwise
 172                         istringstream is(sel);
 173                         if (sel.find("\\newcommand") == string::npos
 174                             && sel.find("\\def") == string::npos)
 175                         {
 176                                 MathHullInset * formula = new MathHullInset;
 177                                 LyXLex lex(0, 0);
 178                                 lex.setStream(is);
 179                                 formula->read(cur.buffer(), lex);
 180                                 if (formula->getType() == "none")
 181                                         // Don't create pseudo formulas if
 182                                         // delimiters are left out
 183                                         formula->mutate("simple");
 184                                 cur.insert(formula);
 185                         } else
 186                                 cur.insert(new MathMacroTemplate(is));
 187                 }
 188                 cur.message(N_("Math editor mode"));
 189         }
 190
 191 } // namespace anon
 192
 193
 194
 195 namespace bv_funcs {
 196
 197 string const freefont2string()
 198 {
 199         string data;
 200         if (font2string(freefont, toggleall, data))
 201                 return data;
 202         return string();
 203 }
 204
 205 }
 206
 207 bool LyXText::cursorPrevious(LCursor & cur)
 208 {
 209         pos_type cpos = cur.pos();
 210         lyx::pit_type cpar = cur.pit();
 211
 212         int x = cur.x_target();
 213
 214         bool updated = setCursorFromCoordinates(cur, x, 0);
 215         if (updated)
 216                 cur.bv().update();
 217         updated |= cursorUp(cur);
 218
 219         if (cpar == cur.pit() && cpos == cur.pos()) {
 220                 // we have a row which is taller than the workarea. The
 221                 // simplest solution is to move to the previous row instead.
 222                 updated |= cursorUp(cur);
 223         }
 224
 225         finishUndo();
 226         return updated;
 227 }
 228
 229
 230 bool LyXText::cursorNext(LCursor & cur)
 231 {
 232         pos_type cpos = cur.pos();
 233         lyx::pit_type cpar = cur.pit();
 234
 235         int x = cur.x_target();
 236         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 237         if (updated)
 238                 cur.bv().update();
 239         updated |= cursorDown(cur);
 240
 241         if (cpar == cur.pit() && cpos == cur.pos()) {
 242                 // we have a row which is taller than the workarea. The
 243                 // simplest solution is to move to the next row instead.
 244                 updated |= cursorDown(cur);
 245         }
 246
 247         finishUndo();
 248         return updated;
 249 }
 250
 251
 252 namespace {
 253
 254 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 255 {
 256         lyx::cap::replaceSelection(cur);
 257         cur.insert(new InsetSpecialChar(kind));
 258         cur.posRight();
 259 }
 260
 261
 262 bool doInsertInset(LCursor & cur, LyXText * text,
 263         FuncRequest const & cmd, bool edit, bool pastesel)
 264 {
 265         InsetBase * inset = createInset(&cur.bv(), cmd);
 266         if (!inset)
 267                 return false;
 268
 269         recordUndo(cur);
 270         bool gotsel = false;
 271         if (cur.selection()) {
 272                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 273                 gotsel = true;
 274         }
 275         text->insertInset(cur, inset);
 276
 277         if (edit)
 278                 inset->edit(cur, true);
 279
 280         if (gotsel && pastesel)
 281                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 282         return true;
 283 }
 284
 285
 286 void update(LCursor & cur)
 287 {
 288         //we don't call update(true, false) directly to save a metrics call
 289         if (cur.bv().fitCursor())
 290                 cur.bv().update(Update::Force);
 291 }
 292
 293
 294 } // anon namespace
 295
 296
 297 void LyXText::number(LCursor & cur)
 298 {
 299         LyXFont font(LyXFont::ALL_IGNORE);
 300         font.setNumber(LyXFont::TOGGLE);
 301         toggleAndShow(cur, this, font);
 302 }
 303
 304
 305 bool LyXText::isRTL(Paragraph const & par) const
 306 {
 307         return par.isRightToLeftPar(bv()->buffer()->params());
 308 }
 309
 310
 311 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 312 {
 313         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 314
 315         BOOST_ASSERT(cur.text() == this);
 316         BufferView * bv = &cur.bv();
 317         CursorSlice oldTopSlice = cur.top();
 318         bool oldBoundary = cur.boundary();
 319         bool sel = cur.selection();
 320         // Signals that, even if needsUpdate == false, an update of the
 321         // cursor paragraph is required
 322         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 323                 LyXAction::SingleParUpdate);
 324         // Signals that a full-screen update is required
 325         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 326                 LyXAction::NoUpdate) || singleParUpdate);
 327         // Remember the old paragraph metric (_outer_ paragraph!)
 328         Dimension olddim = cur.bottom().paragraph().dim();
 329
 330         switch (cmd.action) {
 331
 332         case LFUN_PARAGRAPH_MOVE_DOWN: {
 333                 pit_type const pit = cur.pit();
 334                 recUndo(pit, pit + 1);
 335                 finishUndo();
 336                 std::swap(pars_[pit], pars_[pit + 1]);
 337
 338                 ParIterator begin(cur);
 339                 ++cur.pit();
 340                 ParIterator end = boost::next(ParIterator(cur));
 341                 updateLabels(cur.buffer(), begin, end);
 342
 343                 needsUpdate = true;
 344                 break;
 345         }
 346
 347         case LFUN_PARAGRAPH_MOVE_UP: {
 348                 pit_type const pit = cur.pit();
 349                 recUndo(pit - 1, pit);
 350                 finishUndo();
 351                 std::swap(pars_[pit], pars_[pit - 1]);
 352
 353                 ParIterator end = boost::next(ParIterator(cur));
 354                 --cur.pit();
 355                 ParIterator begin(cur);
 356                 updateLabels(cur.buffer(), begin, end);
 357
 358                 needsUpdate = true;
 359                 break;
 360         }
 361
 362         case LFUN_APPENDIX: {
 363                 Paragraph & par = cur.paragraph();
 364                 bool start = !par.params().startOfAppendix();
 365
 366 #ifdef WITH_WARNINGS
 367 #warning The code below only makes sense at top level.
 368 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 369 #endif
 370                 // ensure that we have only one start_of_appendix in this document
 371                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 372                         if (pars_[tmp].params().startOfAppendix()) {
 373                                 recUndo(tmp);
 374                                 pars_[tmp].params().startOfAppendix(false);
 375                                 break;
 376                         }
 377                 }
 378
 379                 recordUndo(cur);
 380                 par.params().startOfAppendix(start);
 381
 382                 // we can set the refreshing parameters now
 383                 updateLabels(cur.buffer());
 384                 break;
 385         }
 386
 387         case LFUN_WORD_DELETE_FORWARD:
 388                 cur.clearSelection();
 389                 deleteWordForward(cur);
 390                 finishChange(cur, false);
 391                 break;
 392
 393         case LFUN_WORD_DELETE_BACKWARD:
 394                 cur.clearSelection();
 395                 deleteWordBackward(cur);
 396                 finishChange(cur, false);
 397                 break;
 398
 399         case LFUN_LINE_DELETE:
 400                 cur.clearSelection();
 401                 deleteLineForward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_BUFFER_BEGIN:
 406         case LFUN_BUFFER_BEGIN_SELECT:
 407                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 408                 if (cur.depth() == 1) {
 409                         needsUpdate = cursorTop(cur);
 410                 } else {
 411                         cur.undispatched();
 412                 }
 413                 break;
 414
 415         case LFUN_BUFFER_END:
 416         case LFUN_BUFFER_END_SELECT:
 417                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 418                 if (cur.depth() == 1) {
 419                         needsUpdate = cursorBottom(cur);
 420                 } else {
 421                         cur.undispatched();
 422                 }
 423                 break;
 424
 425         case LFUN_CHAR_FORWARD:
 426         case LFUN_CHAR_FORWARD_SELECT:
 427                 //lyxerr << BOOST_CURRENT_FUNCTION
 428                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 429                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 430                 if (isRTL(cur.paragraph()))
 431                         needsUpdate = cursorLeft(cur);
 432                 else
 433                         needsUpdate = cursorRight(cur);
 434
 435                 if (!needsUpdate && oldTopSlice == cur.top()
 436                                 && cur.boundary() == oldBoundary) {
 437                         cur.undispatched();
 438                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 439                 }
 440                 break;
 441
 442         case LFUN_CHAR_BACKWARD:
 443         case LFUN_CHAR_BACKWARD_SELECT:
 444                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 445                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 446                 if (isRTL(cur.paragraph()))
 447                         needsUpdate = cursorRight(cur);
 448                 else
 449                         needsUpdate = cursorLeft(cur);
 450
 451                 if (!needsUpdate && oldTopSlice == cur.top()
 452                         && cur.boundary() == oldBoundary) {
 453                         cur.undispatched();
 454                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 455                 }
 456                 break;
 457
 458         case LFUN_UP:
 459         case LFUN_UP_SELECT:
 460                 update(cur);
 461                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 462                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 463
 464                 needsUpdate = cursorUp(cur);
 465                 if (!needsUpdate && oldTopSlice == cur.top()
 466                           && cur.boundary() == oldBoundary) {
 467                         cur.undispatched();
 468                         cmd = FuncRequest(LFUN_FINISHED_UP);
 469                 }
 470                 break;
 471
 472         case LFUN_DOWN:
 473         case LFUN_DOWN_SELECT:
 474                 update(cur);
 475                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 476                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 477                 needsUpdate = cursorDown(cur);
 478                 if (!needsUpdate && oldTopSlice == cur.top() &&
 479                     cur.boundary() == oldBoundary)
 480                 {
 481                         cur.undispatched();
 482                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 483                 }
 484                 break;
 485
 486         case LFUN_PARAGRAPH_UP:
 487         case LFUN_PARAGRAPH_UP_SELECT:
 488                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 489                 needsUpdate = cursorUpParagraph(cur);
 490                 break;
 491
 492         case LFUN_PARAGRAPH_DOWN:
 493         case LFUN_PARAGRAPH_DOWN_SELECT:
 494                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 495                 needsUpdate = cursorDownParagraph(cur);
 496                 break;
 497
 498         case LFUN_SCREEN_UP:
 499         case LFUN_SCREEN_UP_SELECT:
 500                 update(cur);
 501                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 502                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 503                         cur.undispatched();
 504                         cmd = FuncRequest(LFUN_FINISHED_UP);
 505                 } else {
 506                         needsUpdate = cursorPrevious(cur);
 507                 }
 508                 break;
 509
 510         case LFUN_SCREEN_DOWN:
 511         case LFUN_SCREEN_DOWN_SELECT:
 512                 update(cur);
 513                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 514                 if (cur.pit() == cur.lastpit()
 515                           && cur.textRow().endpos() == cur.lastpos()) {
 516                         cur.undispatched();
 517                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 518                 } else {
 519                         needsUpdate = cursorNext(cur);
 520                 }
 521                 break;
 522
 523         case LFUN_LINE_BEGIN:
 524         case LFUN_LINE_BEGIN_SELECT:
 525                 update(cur);
 526                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 527                 needsUpdate = cursorHome(cur);
 528                 break;
 529
 530         case LFUN_LINE_END:
 531         case LFUN_LINE_END_SELECT:
 532                 update(cur);
 533                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 534                 needsUpdate = cursorEnd(cur);
 535                 break;
 536
 537         case LFUN_WORD_FORWARD:
 538         case LFUN_WORD_FORWARD_SELECT:
 539                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 540                 if (isRTL(cur.paragraph()))
 541                         needsUpdate = cursorLeftOneWord(cur);
 542                 else
 543                         needsUpdate = cursorRightOneWord(cur);
 544                 break;
 545
 546         case LFUN_WORD_BACKWARD:
 547         case LFUN_WORD_BACKWARD_SELECT:
 548                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 549                 if (isRTL(cur.paragraph()))
 550                         needsUpdate = cursorRightOneWord(cur);
 551                 else
 552                         needsUpdate = cursorLeftOneWord(cur);
 553                 break;
 554
 555         case LFUN_WORD_SELECT: {
 556                 selectWord(cur, lyx::WHOLE_WORD);
 557                 finishChange(cur, true);
 558                 break;
 559         }
 560
 561         case LFUN_BREAK_LINE: {
 562                 // Not allowed by LaTeX (labels or empty par)
 563                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 564                         lyx::cap::replaceSelection(cur);
 565                         cur.insert(new InsetNewline);
 566                         cur.posRight();
 567                         moveCursor(cur, false);
 568                 }
 569                 break;
 570         }
 571
 572         case LFUN_CHAR_DELETE_FORWARD:
 573                 if (!cur.selection()) {
 574                         if (cur.pos() == cur.paragraph().size())
 575                                 // Par boundary, force full-screen update
 576                                 singleParUpdate = false;
 577                         needsUpdate = erase(cur);
 578                         cur.resetAnchor();
 579                         // It is possible to make it a lot faster still
 580                         // just comment out the line below...
 581                 } else {
 582                         cutSelection(cur, true, false);
 583                         singleParUpdate = false;
 584                 }
 585                 moveCursor(cur, false);
 586                 break;
 587
 588         case LFUN_DELETE_FORWARD_SKIP:
 589                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 590                 if (!cur.selection()) {
 591                         if (cur.pos() == cur.lastpos()) {
 592                                 cursorRight(cur);
 593                                 cursorLeft(cur);
 594                         }
 595                         erase(cur);
 596                         cur.resetAnchor();
 597                 } else {
 598                         cutSelection(cur, true, false);
 599                 }
 600                 break;
 601
 602
 603         case LFUN_CHAR_DELETE_BACKWARD:
 604                 if (!cur.selection()) {
 605                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 606                                 // Par boundary, full-screen update
 607                                 if (cur.pos() == 0)
 608                                         singleParUpdate = false;
 609                                 needsUpdate = backspace(cur);
 610                                 cur.resetAnchor();
 611                                 // It is possible to make it a lot faster still
 612                                 // just comment out the line below...
 613                         }
 614                 } else {
 615                         cutSelection(cur, true, false);
 616                         singleParUpdate = false;
 617                 }
 618                 bv->switchKeyMap();
 619                 break;
 620
 621         case LFUN_DELETE_BACKWARD_SKIP:
 622                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 623                 if (!cur.selection()) {
 624 #ifdef WITH_WARNINGS
 625 #warning look here
 626 #endif
 627                         //CursorSlice cur = cursor();
 628                         backspace(cur);
 629                         //anchor() = cur;
 630                 } else {
 631                         cutSelection(cur, true, false);
 632                 }
 633                 break;
 634
 635         case LFUN_BREAK_PARAGRAPH:
 636                 lyx::cap::replaceSelection(cur);
 637                 breakParagraph(cur, 0);
 638                 cur.resetAnchor();
 639                 bv->switchKeyMap();
 640                 break;
 641
 642         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 643                 lyx::cap::replaceSelection(cur);
 644                 breakParagraph(cur, 1);
 645                 cur.resetAnchor();
 646                 bv->switchKeyMap();
 647                 break;
 648
 649         case LFUN_BREAK_PARAGRAPH_SKIP: {
 650                 // When at the beginning of a paragraph, remove
 651                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 652                 lyx::cap::replaceSelection(cur);
 653                 if (cur.pos() == 0)
 654                         cur.paragraph().params().labelWidthString(string());
 655                 else
 656                         breakParagraph(cur, 0);
 657                 cur.resetAnchor();
 658                 bv->switchKeyMap();
 659                 break;
 660         }
 661
 662         case LFUN_PARAGRAPH_SPACING: {
 663                 Paragraph & par = cur.paragraph();
 664                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 665                 string cur_value = "1.0";
 666                 if (cur_spacing == Spacing::Other)
 667                         cur_value = par.params().spacing().getValueAsString();
 668
 669                 istringstream is(cmd.argument);
 670                 string tmp;
 671                 is >> tmp;
 672                 Spacing::Space new_spacing = cur_spacing;
 673                 string new_value = cur_value;
 674                 if (tmp.empty()) {
 675                         lyxerr << "Missing argument to `paragraph-spacing'"
 676                                << endl;
 677                 } else if (tmp == "single") {
 678                         new_spacing = Spacing::Single;
 679                 } else if (tmp == "onehalf") {
 680                         new_spacing = Spacing::Onehalf;
 681                 } else if (tmp == "double") {
 682                         new_spacing = Spacing::Double;
 683                 } else if (tmp == "other") {
 684                         new_spacing = Spacing::Other;
 685                         string tmpval = "0.0";
 686                         is >> tmpval;
 687                         lyxerr << "new_value = " << tmpval << endl;
 688                         if (tmpval != "0.0")
 689                                 new_value = tmpval;
 690                 } else if (tmp == "default") {
 691                         new_spacing = Spacing::Default;
 692                 } else {
 693                         lyxerr << _("Unknown spacing argument: ")
 694                                << cmd.argument << endl;
 695                 }
 696                 if (cur_spacing != new_spacing || cur_value != new_value)
 697                         par.params().spacing(Spacing(new_spacing, new_value));
 698                 break;
 699         }
 700
 701         case LFUN_INSET_INSERT: {
 702                 recordUndo(cur);
 703                 InsetBase * inset = createInset(bv, cmd);
 704                 if (inset) {
 705                         insertInset(cur, inset);
 706                         cur.posRight();
 707                 }
 708                 break;
 709         }
 710
 711         case LFUN_INSET_DISSOLVE: {
 712                 recordUndo(cur);
 713                 cur.selHandle(false);
 714                 // save position
 715                 lyx::pos_type spos = cur.pos();
 716                 lyx::pit_type spit = cur.pit();
 717                 bool content = false;
 718                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 719                         setCursor(cur, 0, 0);
 720                         cur.resetAnchor();
 721                         cur.pit() = cur.lastpit();
 722                         cur.pos() = cur.lastpos();
 723                         cur.setSelection();
 724                         copySelection(cur);
 725                         content = true;
 726                 }
 727                         cur.popLeft();
 728                         cur.resetAnchor();
 729                         // store cursor offset
 730                         if (spit == 0)
 731                                 spos += cur.pos();
 732                         spit += cur.pit();
 733                         cur.pos()++;
 734                         cur.setSelection();
 735                 if (content) {
 736                         lyx::cap::replaceSelection(cur);
 737                         pasteSelection(cur, bv->buffer()->errorList("Paste"), 0);
 738                         cur.clearSelection();
 739                         // restore position
 740                         cur.pit() = std::min(cur.lastpit(), spit);
 741                         cur.pos() = std::min(cur.lastpos(), spos);
 742                         cur.resetAnchor();
 743                 } else
 744                         cutSelection(cur, false, false);
 745                 needsUpdate = true;
 746                 break;
 747         }
 748
 749         case LFUN_INSET_SETTINGS:
 750                 cur.inset().showInsetDialog(bv);
 751                 break;
 752
 753         case LFUN_SPACE_INSERT:
 754                 if (cur.paragraph().layout()->free_spacing)
 755                         insertChar(cur, ' ');
 756                 else {
 757                         doInsertInset(cur, this, cmd, false, false);
 758                         cur.posRight();
 759                 }
 760                 moveCursor(cur, false);
 761                 break;
 762
 763         case LFUN_HYPHENATION_POINT_INSERT:
 764                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 765                 break;
 766
 767         case LFUN_LIGATURE_BREAK_INSERT:
 768                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 769                 break;
 770
 771         case LFUN_DOTS_INSERT:
 772                 specialChar(cur, InsetSpecialChar::LDOTS);
 773                 break;
 774
 775         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 776                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 777                 break;
 778
 779         case LFUN_MENU_SEPARATOR_INSERT:
 780                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 781                 break;
 782
 783         case LFUN_WORD_UPCASE:
 784                 changeCase(cur, LyXText::text_uppercase);
 785                 break;
 786
 787         case LFUN_WORD_LOWCASE:
 788                 changeCase(cur, LyXText::text_lowercase);
 789                 break;
 790
 791         case LFUN_WORD_CAPITALIZE:
 792                 changeCase(cur, LyXText::text_capitalization);
 793                 break;
 794
 795         case LFUN_CHARS_TRANSPOSE:
 796                 recordUndo(cur);
 797                 break;
 798
 799         case LFUN_PASTE:
 800                 cur.message(_("Paste"));
 801                 lyx::cap::replaceSelection(cur);
 802                 if (isStrUnsignedInt(cmd.argument))
 803                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 804                         convert<unsigned int>(cmd.argument));
 805                 else
 806                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 807                         0);
 808                 bv->buffer()->errors("Paste");
 809                 cur.clearSelection(); // bug 393
 810                 bv->switchKeyMap();
 811                 finishUndo();
 812                 break;
 813
 814         case LFUN_CUT:
 815                 cutSelection(cur, true, true);
 816                 cur.message(_("Cut"));
 817                 break;
 818
 819         case LFUN_COPY:
 820                 copySelection(cur);
 821                 cur.message(_("Copy"));
 822                 break;
 823
 824         case LFUN_SERVER_GET_XY:
 825                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 826                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 827                 break;
 828
 829         case LFUN_SERVER_SET_XY: {
 830                 int x = 0;
 831                 int y = 0;
 832                 istringstream is(cmd.argument);
 833                 is >> x >> y;
 834                 if (!is)
 835                         lyxerr << "SETXY: Could not parse coordinates in '"
 836                                << cmd.argument << std::endl;
 837                 else
 838                         setCursorFromCoordinates(cur, x, y);
 839                 break;
 840         }
 841
 842         case LFUN_SERVER_GET_FONT:
 843                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 844                         cur.message("E");
 845                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 846                         cur.message("N");
 847                 else
 848                         cur.message("0");
 849                 break;
 850
 851         case LFUN_SERVER_GET_LAYOUT:
 852                 cur.message(cur.paragraph().layout()->name());
 853                 break;
 854
 855         case LFUN_LAYOUT: {
 856                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 857                   << cmd.argument << endl;
 858
 859                 // This is not the good solution to the empty argument
 860                 // problem, but it will hopefully suffice for 1.2.0.
 861                 // The correct solution would be to augument the
 862                 // function list/array with information about what
 863                 // functions needs arguments and their type.
 864                 if (cmd.argument.empty()) {
 865                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 866                         break;
 867                 }
 868
 869                 // Derive layout number from given argument (string)
 870                 // and current buffer's textclass (number)
 871                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 872                 bool hasLayout = tclass.hasLayout(cmd.argument);
 873                 string layout = cmd.argument;
 874
 875                 // If the entry is obsolete, use the new one instead.
 876                 if (hasLayout) {
 877                         string const & obs = tclass[layout]->obsoleted_by();
 878                         if (!obs.empty())
 879                                 layout = obs;
 880                 }
 881
 882                 if (!hasLayout) {
 883                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 884                                 N_(" not known"));
 885                         break;
 886                 }
 887
 888                 bool change_layout = (current_layout != layout);
 889
 890                 if (!change_layout && cur.selection() &&
 891                         cur.selBegin().pit() != cur.selEnd().pit())
 892                 {
 893                         pit_type spit = cur.selBegin().pit();
 894                         pit_type epit = cur.selEnd().pit() + 1;
 895                         while (spit != epit) {
 896                                 if (pars_[spit].layout()->name() != current_layout) {
 897                                         change_layout = true;
 898                                         break;
 899                                 }
 900                                 ++spit;
 901                         }
 902                 }
 903
 904                 if (change_layout) {
 905                         current_layout = layout;
 906                         setLayout(cur, layout);
 907                         bv->owner()->setLayout(layout);
 908                         bv->switchKeyMap();
 909                 }
 910                 break;
 911         }
 912
 913         case LFUN_CLIPBOARD_PASTE: {
 914                 cur.clearSelection();
 915                 string const clip = bv->owner()->gui().clipboard().get();
 916                 if (!clip.empty()) {
 917                         recordUndo(cur);
 918                         if (cmd.argument == "paragraph")
 919                                 insertStringAsParagraphs(cur, clip);
 920                         else
 921                                 insertStringAsLines(cur, clip);
 922                 }
 923                 break;
 924         }
 925
 926         case LFUN_PRIMARY_SELECTION_PASTE: {
 927                 cur.clearSelection();
 928                 string const clip = bv->owner()->gui().selection().get();
 929                 if (!clip.empty()) {
 930                         recordUndo(cur);
 931                         if (cmd.argument == "paragraph")
 932                                 insertStringAsParagraphs(cur, clip);
 933                         else
 934                                 insertStringAsLines(cur, clip);
 935                 }
 936                 break;
 937         }
 938
 939         case LFUN_QUOTE_INSERT: {
 940                 lyx::cap::replaceSelection(cur);
 941                 Paragraph & par = cur.paragraph();
 942                 lyx::pos_type pos = cur.pos();
 943                 lyx::char_type c;
 944                 if (pos == 0)
 945                         c = ' ';
 946                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 947                         c = ' ';
 948                 else
 949                         c = par.getChar(pos - 1);
 950
 951                 LyXLayout_ptr const & style = par.layout();
 952
 953                 BufferParams const & bufparams = bv->buffer()->params();
 954                 if (!style->pass_thru
 955                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 956                         string arg = cmd.argument;
 957                         if (arg == "single")
 958                                 cur.insert(new InsetQuotes(c,
 959                                     bufparams.quotes_language,
 960                                     InsetQuotes::SingleQ));
 961                         else
 962                                 cur.insert(new InsetQuotes(c,
 963                                     bufparams.quotes_language,
 964                                     InsetQuotes::DoubleQ));
 965                         cur.posRight();
 966                 }
 967                 else
 968                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 969                 break;
 970         }
 971
 972         case LFUN_DATE_INSERT:
 973                 if (cmd.argument.empty())
 974                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 975                                 lyx::formatted_time(lyx::current_time())));
 976                 else
 977                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 978                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 979                 break;
 980
 981         case LFUN_MOUSE_TRIPLE:
 982                 if (cmd.button() == mouse_button::button1) {
 983                         cursorHome(cur);
 984                         cur.resetAnchor();
 985                         cursorEnd(cur);
 986                         cur.setSelection();
 987                         bv->cursor() = cur;
 988                         bv->owner()->gui().selection().haveSelection(cur.selection());
 989                 }
 990                 break;
 991
 992         case LFUN_MOUSE_DOUBLE:
 993                 if (cmd.button() == mouse_button::button1) {
 994                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 995                         bv->cursor() = cur;
 996                         bv->owner()->gui().selection().haveSelection(cur.selection());
 997                 }
 998                 break;
 999
1000         // Single-click on work area
1001         case LFUN_MOUSE_PRESS: {
1002                 // Right click on a footnote flag opens float menu
1003                 if (cmd.button() == mouse_button::button3)
1004                         cur.clearSelection();
1005
1006                 // Middle button press pastes if we have a selection
1007                 // We do this here as if the selection was inside an inset
1008                 // it could get cleared on the unlocking of the inset so
1009                 // we have to check this first
1010                 bool paste_internally = false;
1011                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1012                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1013                         paste_internally = true;
1014                 }
1015
1016                 bv->mouseSetCursor(cur);
1017
1018                 // Insert primary selection with middle mouse
1019                 // if there is a local selection in the current buffer,
1020                 // insert this
1021                 if (cmd.button() == mouse_button::button2) {
1022                         if (paste_internally)
1023                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1024                         else
1025                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1026                 }
1027
1028                 break;
1029         }
1030
1031         case LFUN_MOUSE_MOTION: {
1032                 // Only use motion with button 1
1033                 //if (cmd.button() != mouse_button::button1)
1034                 //      return false;
1035
1036                 // ignore motions deeper nested than the real anchor
1037                 LCursor & bvcur = cur.bv().cursor();
1038                 if (bvcur.anchor_.hasPart(cur)) {
1039                         CursorSlice old = bvcur.top();
1040
1041                         int const wh = bv->workHeight();
1042                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1043
1044                         setCursorFromCoordinates(cur, cmd.x, y);
1045                         cur.x_target() = cmd.x;
1046                         if (cmd.y >= wh)
1047                                 cursorDown(cur);
1048                         else if (cmd.y < 0)
1049                                 cursorUp(cur);
1050                         // This is to allow jumping over large insets
1051                         if (cur.top() == old) {
1052                                 if (cmd.y >= wh)
1053                                         cursorDown(cur);
1054                                 else if (cmd.y < 0)
1055                                         cursorUp(cur);
1056                         }
1057
1058                         if (cur.top() == old)
1059                                 cur.noUpdate();
1060                         else {
1061                                 // don't set anchor_
1062                                 bvcur.setCursor(cur);
1063                                 bvcur.selection() = true;
1064                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1065                         }
1066
1067                 } else
1068                         cur.undispatched();
1069                 break;
1070         }
1071
1072         case LFUN_MOUSE_RELEASE: {
1073                 if (cmd.button() == mouse_button::button2)
1074                         break;
1075
1076                 // finish selection
1077                 if (cmd.button() == mouse_button::button1)
1078                         bv->owner()->gui().selection().haveSelection(cur.selection());
1079
1080                 bv->switchKeyMap();
1081                 bv->owner()->updateMenubar();
1082                 bv->owner()->updateToolbars();
1083                 break;
1084         }
1085
1086         case LFUN_SELF_INSERT: {
1087                 if (cmd.argument.empty())
1088                         break;
1089
1090                 // Automatically delete the currently selected
1091                 // text and replace it with what is being
1092                 // typed in now. Depends on lyxrc settings
1093                 // "auto_region_delete", which defaults to
1094                 // true (on).
1095
1096                 if (lyxrc.auto_region_delete) {
1097                         if (cur.selection())
1098                                 cutSelection(cur, false, false);
1099                         bv->owner()->gui().selection().haveSelection(false);
1100                 }
1101
1102                 cur.clearSelection();
1103                 LyXFont const old_font = real_current_font;
1104
1105 #if 0
1106                 string::const_iterator cit = cmd.argument.begin();
1107                 string::const_iterator end = cmd.argument.end();
1108                 for (; cit != end; ++cit)
1109                         bv->owner()->getIntl().getTransManager().
1110                                 translateAndInsert(*cit, this);
1111 #else
1112                 std::vector<char> in(cmd.argument.begin(), cmd.argument.end());
1113                 std::vector<boost::uint32_t> const res = utf8_to_ucs4(in);
1114                 std::vector<boost::uint32_t>::const_iterator cit = res.begin();
1115                 std::vector<boost::uint32_t>::const_iterator end = res.end();
1116                 for (; cit != end; ++cit)
1117                         insertChar(bv->cursor(), *cit);
1118 #endif
1119
1120                 cur.resetAnchor();
1121                 moveCursor(cur, false);
1122                 break;
1123         }
1124
1125         case LFUN_URL_INSERT: {
1126                 InsetCommandParams p("url");
1127                 string const data = InsetCommandMailer::params2string("url", p);
1128                 bv->owner()->getDialogs().show("url", data, 0);
1129                 break;
1130         }
1131
1132         case LFUN_HTML_INSERT: {
1133                 InsetCommandParams p("htmlurl");
1134                 string const data = InsetCommandMailer::params2string("url", p);
1135                 bv->owner()->getDialogs().show("url", data, 0);
1136                 break;
1137         }
1138
1139         case LFUN_LABEL_INSERT: {
1140                 // Try to generate a valid label
1141                 string const contents = cmd.argument.empty() ?
1142                         cur.getPossibleLabel() : cmd.argument;
1143
1144                 InsetCommandParams p("label", contents);
1145                 string const data = InsetCommandMailer::params2string("label", p);
1146
1147                 if (cmd.argument.empty()) {
1148                         bv->owner()->getDialogs().show("label", data, 0);
1149                 } else {
1150                         FuncRequest fr(LFUN_INSET_INSERT, data);
1151                         dispatch(cur, fr);
1152                 }
1153                 break;
1154         }
1155
1156
1157 #if 0
1158         case LFUN_LIST_INSERT:
1159         case LFUN_THEOREM_INSERT:
1160         case LFUN_CAPTION_INSERT:
1161 #endif
1162         case LFUN_NOTE_INSERT:
1163         case LFUN_CHARSTYLE_INSERT:
1164         case LFUN_BOX_INSERT:
1165         case LFUN_BRANCH_INSERT:
1166         case LFUN_BIBITEM_INSERT:
1167         case LFUN_ERT_INSERT:
1168         case LFUN_FOOTNOTE_INSERT:
1169         case LFUN_MARGINALNOTE_INSERT:
1170         case LFUN_OPTIONAL_INSERT:
1171         case LFUN_ENVIRONMENT_INSERT:
1172                 // Open the inset, and move the current selection
1173                 // inside it.
1174                 doInsertInset(cur, this, cmd, true, true);
1175                 cur.posRight();
1176                 break;
1177
1178         case LFUN_TABULAR_INSERT:
1179                 // if there were no arguments, just open the dialog
1180                 if (doInsertInset(cur, this, cmd, false, true))
1181                         cur.posRight();
1182                 else
1183                         bv->owner()->getDialogs().show("tabularcreate");
1184
1185                 break;
1186
1187         case LFUN_FLOAT_INSERT:
1188         case LFUN_FLOAT_WIDE_INSERT:
1189         case LFUN_WRAP_INSERT:
1190                 doInsertInset(cur, this, cmd, true, true);
1191                 cur.posRight();
1192                 // FIXME: the "Caption" name should not be hardcoded,
1193                 // but given by the float definition.
1194                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1195                 break;
1196
1197         case LFUN_INDEX_INSERT: {
1198                 InsetBase * inset = createInset(&cur.bv(), cmd);
1199                 if (!inset)
1200                         break;
1201
1202                 recordUndo(cur);
1203                 cur.clearSelection();
1204                 insertInset(cur, inset);
1205                 inset->edit(cur, true);
1206                 cur.posRight();
1207                 break;
1208         }
1209
1210         case LFUN_INDEX_PRINT:
1211         case LFUN_TOC_INSERT:
1212         case LFUN_HFILL_INSERT:
1213         case LFUN_LINE_INSERT:
1214         case LFUN_PAGEBREAK_INSERT:
1215                 // do nothing fancy
1216                 doInsertInset(cur, this, cmd, false, false);
1217                 cur.posRight();
1218                 break;
1219
1220         case LFUN_DEPTH_DECREMENT:
1221                 changeDepth(cur, DEC_DEPTH);
1222                 break;
1223
1224         case LFUN_DEPTH_INCREMENT:
1225                 changeDepth(cur, INC_DEPTH);
1226                 break;
1227
1228         case LFUN_MATH_DISPLAY:
1229                 mathDispatch(cur, cmd, true);
1230                 break;
1231
1232         case LFUN_MATH_IMPORT_SELECTION:
1233         case LFUN_MATH_MODE:
1234                 if (cmd.argument == "on")
1235                         // don't pass "on" as argument
1236                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1237                 else
1238                         mathDispatch(cur, cmd, false);
1239                 break;
1240
1241         case LFUN_MATH_MACRO:
1242                 if (cmd.argument.empty())
1243                         cur.errorMessage(N_("Missing argument"));
1244                 else {
1245                         string s = cmd.argument;
1246                         string const s1 = token(s, ' ', 1);
1247                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1248                         string const s2 = token(s, ' ', 2);
1249                         string const type = s2.empty() ? "newcommand" : s2;
1250                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1251                         //cur.nextInset()->edit(cur, true);
1252                 }
1253                 break;
1254
1255         // passthrough hat and underscore outside mathed:
1256         case LFUN_MATH_SUBSCRIPT:
1257                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1258                 break;
1259         case LFUN_MATH_SUPERSCRIPT:
1260                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1261                 break;
1262
1263         case LFUN_MATH_INSERT:
1264         case LFUN_MATH_MATRIX:
1265         case LFUN_MATH_DELIM:
1266         case LFUN_MATH_BIGDELIM: {
1267                 cur.insert(new MathHullInset("simple"));
1268                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1269                 cur.dispatch(cmd);
1270                 break;
1271         }
1272
1273         case LFUN_FONT_EMPH: {
1274                 LyXFont font(LyXFont::ALL_IGNORE);
1275                 font.setEmph(LyXFont::TOGGLE);
1276                 toggleAndShow(cur, this, font);
1277                 break;
1278         }
1279
1280         case LFUN_FONT_BOLD: {
1281                 LyXFont font(LyXFont::ALL_IGNORE);
1282                 font.setSeries(LyXFont::BOLD_SERIES);
1283                 toggleAndShow(cur, this, font);
1284                 break;
1285         }
1286
1287         case LFUN_FONT_NOUN: {
1288                 LyXFont font(LyXFont::ALL_IGNORE);
1289                 font.setNoun(LyXFont::TOGGLE);
1290                 toggleAndShow(cur, this, font);
1291                 break;
1292         }
1293
1294         case LFUN_FONT_CODE: {
1295                 LyXFont font(LyXFont::ALL_IGNORE);
1296                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1297                 toggleAndShow(cur, this, font);
1298                 break;
1299         }
1300
1301         case LFUN_FONT_SANS: {
1302                 LyXFont font(LyXFont::ALL_IGNORE);
1303                 font.setFamily(LyXFont::SANS_FAMILY);
1304                 toggleAndShow(cur, this, font);
1305                 break;
1306         }
1307
1308         case LFUN_FONT_ROMAN: {
1309                 LyXFont font(LyXFont::ALL_IGNORE);
1310                 font.setFamily(LyXFont::ROMAN_FAMILY);
1311                 toggleAndShow(cur, this, font);
1312                 break;
1313         }
1314
1315         case LFUN_FONT_DEFAULT: {
1316                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1317                 toggleAndShow(cur, this, font);
1318                 break;
1319         }
1320
1321         case LFUN_FONT_UNDERLINE: {
1322                 LyXFont font(LyXFont::ALL_IGNORE);
1323                 font.setUnderbar(LyXFont::TOGGLE);
1324                 toggleAndShow(cur, this, font);
1325                 break;
1326         }
1327
1328         case LFUN_FONT_SIZE: {
1329                 LyXFont font(LyXFont::ALL_IGNORE);
1330                 font.setLyXSize(cmd.argument);
1331                 toggleAndShow(cur, this, font);
1332                 break;
1333         }
1334
1335         case LFUN_LANGUAGE: {
1336                 Language const * lang = languages.getLanguage(cmd.argument);
1337                 if (!lang)
1338                         break;
1339                 LyXFont font(LyXFont::ALL_IGNORE);
1340                 font.setLanguage(lang);
1341                 toggleAndShow(cur, this, font);
1342                 bv->switchKeyMap();
1343                 break;
1344         }
1345
1346         case LFUN_FONT_FREE_APPLY:
1347                 toggleAndShow(cur, this, freefont, toggleall);
1348                 cur.message(_("Character set"));
1349                 break;
1350
1351         // Set the freefont using the contents of \param data dispatched from
1352         // the frontends and apply it at the current cursor location.
1353         case LFUN_FONT_FREE_UPDATE: {
1354                 LyXFont font;
1355                 bool toggle;
1356                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1357                         freefont = font;
1358                         toggleall = toggle;
1359                         toggleAndShow(cur, this, freefont, toggleall);
1360                         cur.message(_("Character set"));
1361                 }
1362                 break;
1363         }
1364
1365         case LFUN_FINISHED_LEFT:
1366                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1367                 break;
1368
1369         case LFUN_FINISHED_RIGHT:
1370                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1371                 ++cur.pos();
1372                 break;
1373
1374         case LFUN_FINISHED_UP:
1375                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1376                 cursorUp(cur);
1377                 break;
1378
1379         case LFUN_FINISHED_DOWN:
1380                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1381                 cursorDown(cur);
1382                 break;
1383
1384         case LFUN_LAYOUT_PARAGRAPH: {
1385                 string data;
1386                 params2string(cur.paragraph(), data);
1387                 data = "show\n" + data;
1388                 bv->owner()->getDialogs().show("paragraph", data);
1389                 break;
1390         }
1391
1392         case LFUN_PARAGRAPH_UPDATE: {
1393                 if (!bv->owner()->getDialogs().visible("paragraph"))
1394                         break;
1395                 string data;
1396                 params2string(cur.paragraph(), data);
1397
1398                 // Will the paragraph accept changes from the dialog?
1399                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1400
1401                 data = "update " + convert<string>(accept) + '\n' + data;
1402                 bv->owner()->getDialogs().update("paragraph", data);
1403                 break;
1404         }
1405
1406         case LFUN_ACCENT_UMLAUT:
1407         case LFUN_ACCENT_CIRCUMFLEX:
1408         case LFUN_ACCENT_GRAVE:
1409         case LFUN_ACCENT_ACUTE:
1410         case LFUN_ACCENT_TILDE:
1411         case LFUN_ACCENT_CEDILLA:
1412         case LFUN_ACCENT_MACRON:
1413         case LFUN_ACCENT_DOT:
1414         case LFUN_ACCENT_UNDERDOT:
1415         case LFUN_ACCENT_UNDERBAR:
1416         case LFUN_ACCENT_CARON:
1417         case LFUN_ACCENT_SPECIAL_CARON:
1418         case LFUN_ACCENT_BREVE:
1419         case LFUN_ACCENT_TIE:
1420         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1421         case LFUN_ACCENT_CIRCLE:
1422         case LFUN_ACCENT_OGONEK:
1423                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1424                 if (!cmd.argument.empty())
1425                         bv->owner()->getIntl().getTransManager()
1426                                 .translateAndInsert(cmd.argument[0], this);
1427                 break;
1428
1429         case LFUN_FLOAT_LIST: {
1430                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1431                 if (tclass.floats().typeExist(cmd.argument)) {
1432                         // not quite sure if we want this...
1433                         recordUndo(cur);
1434                         cur.clearSelection();
1435                         breakParagraph(cur);
1436
1437                         if (cur.lastpos() != 0) {
1438                                 cursorLeft(cur);
1439                                 breakParagraph(cur);
1440                         }
1441
1442                         setLayout(cur, tclass.defaultLayoutName());
1443                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1444                         insertInset(cur, new InsetFloatList(cmd.argument));
1445                         cur.posRight();
1446                 } else {
1447                         lyxerr << "Non-existent float type: "
1448                                << cmd.argument << endl;
1449                 }
1450                 break;
1451         }
1452
1453         case LFUN_CHANGE_ACCEPT: {
1454                 acceptChange(cur);
1455                 break;
1456         }
1457
1458         case LFUN_CHANGE_REJECT: {
1459                 rejectChange(cur);
1460                 break;
1461         }
1462
1463         case LFUN_THESAURUS_ENTRY: {
1464                 string arg = cmd.argument;
1465                 if (arg.empty()) {
1466                         arg = cur.selectionAsString(false);
1467                         // FIXME
1468                         if (arg.size() > 100 || arg.empty()) {
1469                                 // Get word or selection
1470                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1471                                 arg = cur.selectionAsString(false);
1472                         }
1473                 }
1474                 bv->owner()->getDialogs().show("thesaurus", arg);
1475                 break;
1476         }
1477
1478         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1479                 // Given data, an encoding of the ParagraphParameters
1480                 // generated in the Paragraph dialog, this function sets
1481                 // the current paragraph appropriately.
1482                 istringstream is(cmd.argument);
1483                 LyXLex lex(0, 0);
1484                 lex.setStream(is);
1485                 ParagraphParameters params;
1486                 params.read(lex);
1487                 setParagraph(cur,
1488                                          params.spacing(),
1489                                          params.align(),
1490                                          params.labelWidthString(),
1491                                          params.noindent());
1492                 cur.message(_("Paragraph layout set"));
1493                 break;
1494         }
1495
1496         case LFUN_ESCAPE:
1497                 if (cur.selection()) {
1498                         cur.selection() = false;
1499                 } else {
1500                         cur.undispatched();
1501                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1502                 }
1503                 break;
1504
1505         default:
1506                 lyxerr[Debug::ACTION]
1507                         << BOOST_CURRENT_FUNCTION
1508                         << ": Command " << cmd
1509                         << " not DISPATCHED by LyXText" << endl;
1510                 cur.undispatched();
1511                 break;
1512         }
1513
1514         if (singleParUpdate)
1515                 // Inserting characters does not change par height
1516                 if (cur.bottom().paragraph().dim().height()
1517                     == olddim.height()) {
1518                         // if so, update _only_ this paragraph
1519                         cur.bv().update(Update::SinglePar |
1520                                         Update::FitCursor |
1521                                         Update::MultiParSel);
1522                         cur.noUpdate();
1523                         return;
1524                 } else
1525                         needsUpdate = true;
1526         if (!needsUpdate
1527             && &oldTopSlice.inset() == &cur.inset()
1528             && oldTopSlice.idx() == cur.idx()
1529             && !sel
1530             && !cur.selection())
1531                 cur.noUpdate();
1532         else
1533                 cur.needsUpdate();
1534 }
1535
1536
1537 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1538                         FuncStatus & flag) const
1539 {
1540         BOOST_ASSERT(cur.text() == this);
1541
1542         LyXFont const & font = real_current_font;
1543         bool enable = true;
1544         InsetBase::Code code = InsetBase::NO_CODE;
1545
1546         switch (cmd.action) {
1547
1548         case LFUN_DEPTH_DECREMENT:
1549                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1550                 break;
1551
1552         case LFUN_DEPTH_INCREMENT:
1553                 enable = changeDepthAllowed(cur, INC_DEPTH);
1554                 break;
1555
1556         case LFUN_APPENDIX:
1557                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1558                 return true;
1559
1560         case LFUN_BIBITEM_INSERT:
1561                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1562                 break;
1563
1564         case LFUN_DIALOG_SHOW_NEW_INSET:
1565                 if (cmd.argument == "bibitem")
1566                         code = InsetBase::BIBITEM_CODE;
1567                 else if (cmd.argument == "bibtex")
1568                         code = InsetBase::BIBTEX_CODE;
1569                 else if (cmd.argument == "box")
1570                         code = InsetBase::BOX_CODE;
1571                 else if (cmd.argument == "branch")
1572                         code = InsetBase::BRANCH_CODE;
1573                 else if (cmd.argument == "citation")
1574                         code = InsetBase::CITE_CODE;
1575                 else if (cmd.argument == "ert")
1576                         code = InsetBase::ERT_CODE;
1577                 else if (cmd.argument == "external")
1578                         code = InsetBase::EXTERNAL_CODE;
1579                 else if (cmd.argument == "float")
1580                         code = InsetBase::FLOAT_CODE;
1581                 else if (cmd.argument == "graphics")
1582                         code = InsetBase::GRAPHICS_CODE;
1583                 else if (cmd.argument == "include")
1584                         code = InsetBase::INCLUDE_CODE;
1585                 else if (cmd.argument == "index")
1586                         code = InsetBase::INDEX_CODE;
1587                 else if (cmd.argument == "label")
1588                         code = InsetBase::LABEL_CODE;
1589                 else if (cmd.argument == "note")
1590                         code = InsetBase::NOTE_CODE;
1591                 else if (cmd.argument == "ref")
1592                         code = InsetBase::REF_CODE;
1593                 else if (cmd.argument == "toc")
1594                         code = InsetBase::TOC_CODE;
1595                 else if (cmd.argument == "url")
1596                         code = InsetBase::URL_CODE;
1597                 else if (cmd.argument == "vspace")
1598                         code = InsetBase::VSPACE_CODE;
1599                 else if (cmd.argument == "wrap")
1600                         code = InsetBase::WRAP_CODE;
1601                 break;
1602
1603         case LFUN_ERT_INSERT:
1604                 code = InsetBase::ERT_CODE;
1605                 break;
1606         case LFUN_FOOTNOTE_INSERT:
1607                 code = InsetBase::FOOT_CODE;
1608                 break;
1609         case LFUN_TABULAR_INSERT:
1610                 code = InsetBase::TABULAR_CODE;
1611                 break;
1612         case LFUN_MARGINALNOTE_INSERT:
1613                 code = InsetBase::MARGIN_CODE;
1614                 break;
1615         case LFUN_FLOAT_INSERT:
1616         case LFUN_FLOAT_WIDE_INSERT:
1617                 code = InsetBase::FLOAT_CODE;
1618                 break;
1619         case LFUN_WRAP_INSERT:
1620                 code = InsetBase::WRAP_CODE;
1621                 break;
1622         case LFUN_FLOAT_LIST:
1623                 code = InsetBase::FLOAT_LIST_CODE;
1624                 break;
1625 #if 0
1626         case LFUN_LIST_INSERT:
1627                 code = InsetBase::LIST_CODE;
1628                 break;
1629         case LFUN_THEOREM_INSERT:
1630                 code = InsetBase::THEOREM_CODE;
1631                 break;
1632 #endif
1633         case LFUN_CAPTION_INSERT:
1634                 code = InsetBase::CAPTION_CODE;
1635                 break;
1636         case LFUN_NOTE_INSERT:
1637                 code = InsetBase::NOTE_CODE;
1638                 break;
1639         case LFUN_CHARSTYLE_INSERT:
1640                 code = InsetBase::CHARSTYLE_CODE;
1641                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1642                         enable = false;
1643                 break;
1644         case LFUN_BOX_INSERT:
1645                 code = InsetBase::BOX_CODE;
1646                 break;
1647         case LFUN_BRANCH_INSERT:
1648                 code = InsetBase::BRANCH_CODE;
1649                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1650                         enable = false;
1651                 break;
1652         case LFUN_LABEL_INSERT:
1653                 code = InsetBase::LABEL_CODE;
1654                 break;
1655         case LFUN_OPTIONAL_INSERT:
1656                 code = InsetBase::OPTARG_CODE;
1657                 enable = numberOfOptArgs(cur.paragraph())
1658                         < cur.paragraph().layout()->optionalargs;
1659                 break;
1660         case LFUN_ENVIRONMENT_INSERT:
1661                 code = InsetBase::BOX_CODE;
1662                 break;
1663         case LFUN_INDEX_INSERT:
1664                 code = InsetBase::INDEX_CODE;
1665                 break;
1666         case LFUN_INDEX_PRINT:
1667                 code = InsetBase::INDEX_PRINT_CODE;
1668                 break;
1669         case LFUN_TOC_INSERT:
1670                 code = InsetBase::TOC_CODE;
1671                 break;
1672         case LFUN_HTML_INSERT:
1673         case LFUN_URL_INSERT:
1674                 code = InsetBase::URL_CODE;
1675                 break;
1676         case LFUN_QUOTE_INSERT:
1677                 // always allow this, since we will inset a raw quote
1678                 // if an inset is not allowed.
1679                 break;
1680         case LFUN_HYPHENATION_POINT_INSERT:
1681         case LFUN_LIGATURE_BREAK_INSERT:
1682         case LFUN_HFILL_INSERT:
1683         case LFUN_MENU_SEPARATOR_INSERT:
1684         case LFUN_DOTS_INSERT:
1685         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1686                 code = InsetBase::SPECIALCHAR_CODE;
1687                 break;
1688         case LFUN_SPACE_INSERT:
1689                 // slight hack: we know this is allowed in math mode
1690                 if (cur.inTexted())
1691                         code = InsetBase::SPACE_CODE;
1692                 break;
1693
1694         case LFUN_INSET_MODIFY:
1695                 // We need to disable this, because we may get called for a
1696                 // tabular cell via
1697                 // InsetTabular::getStatus() -> InsetText::getStatus()
1698                 // and we don't handle LFUN_INSET_MODIFY.
1699                 enable = false;
1700                 break;
1701
1702         case LFUN_FONT_EMPH:
1703                 flag.setOnOff(font.emph() == LyXFont::ON);
1704                 return true;
1705
1706         case LFUN_FONT_NOUN:
1707                 flag.setOnOff(font.noun() == LyXFont::ON);
1708                 return true;
1709
1710         case LFUN_FONT_BOLD:
1711                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1712                 return true;
1713
1714         case LFUN_FONT_SANS:
1715                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1716                 return true;
1717
1718         case LFUN_FONT_ROMAN:
1719                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1720                 return true;
1721
1722         case LFUN_FONT_CODE:
1723                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1724                 return true;
1725
1726         case LFUN_CUT:
1727         case LFUN_COPY:
1728                 enable = cur.selection();
1729                 break;
1730
1731         case LFUN_PASTE:
1732                 enable = lyx::cap::numberOfSelections() > 0;
1733                 break;
1734
1735         case LFUN_PARAGRAPH_MOVE_UP: {
1736                 enable = cur.pit() > 0 && !cur.selection();
1737                 break;
1738         }
1739
1740         case LFUN_PARAGRAPH_MOVE_DOWN: {
1741                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1742                 break;
1743         }
1744
1745         case LFUN_INSET_DISSOLVE: {
1746                 enable = &cur.inset() && cur.inTexted();
1747                 break;
1748         }
1749
1750         case LFUN_WORD_DELETE_FORWARD:
1751         case LFUN_WORD_DELETE_BACKWARD:
1752         case LFUN_LINE_DELETE:
1753         case LFUN_WORD_FORWARD:
1754         case LFUN_WORD_BACKWARD:
1755         case LFUN_CHAR_FORWARD:
1756         case LFUN_CHAR_FORWARD_SELECT:
1757         case LFUN_CHAR_BACKWARD:
1758         case LFUN_CHAR_BACKWARD_SELECT:
1759         case LFUN_UP:
1760         case LFUN_UP_SELECT:
1761         case LFUN_DOWN:
1762         case LFUN_DOWN_SELECT:
1763         case LFUN_PARAGRAPH_UP_SELECT:
1764         case LFUN_PARAGRAPH_DOWN_SELECT:
1765         case LFUN_SCREEN_UP_SELECT:
1766         case LFUN_SCREEN_DOWN_SELECT:
1767         case LFUN_LINE_BEGIN_SELECT:
1768         case LFUN_LINE_END_SELECT:
1769         case LFUN_WORD_FORWARD_SELECT:
1770         case LFUN_WORD_BACKWARD_SELECT:
1771         case LFUN_WORD_SELECT:
1772         case LFUN_PARAGRAPH_UP:
1773         case LFUN_PARAGRAPH_DOWN:
1774         case LFUN_SCREEN_UP:
1775         case LFUN_SCREEN_DOWN:
1776         case LFUN_LINE_BEGIN:
1777         case LFUN_LINE_END:
1778         case LFUN_BREAK_LINE:
1779         case LFUN_CHAR_DELETE_FORWARD:
1780         case LFUN_DELETE_FORWARD_SKIP:
1781         case LFUN_CHAR_DELETE_BACKWARD:
1782         case LFUN_DELETE_BACKWARD_SKIP:
1783         case LFUN_BREAK_PARAGRAPH:
1784         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1785         case LFUN_BREAK_PARAGRAPH_SKIP:
1786         case LFUN_PARAGRAPH_SPACING:
1787         case LFUN_INSET_INSERT:
1788         case LFUN_WORD_UPCASE:
1789         case LFUN_WORD_LOWCASE:
1790         case LFUN_WORD_CAPITALIZE:
1791         case LFUN_CHARS_TRANSPOSE:
1792         case LFUN_SERVER_GET_XY:
1793         case LFUN_SERVER_SET_XY:
1794         case LFUN_SERVER_GET_FONT:
1795         case LFUN_SERVER_GET_LAYOUT:
1796         case LFUN_LAYOUT:
1797         case LFUN_CLIPBOARD_PASTE:
1798         case LFUN_PRIMARY_SELECTION_PASTE:
1799         case LFUN_DATE_INSERT:
1800         case LFUN_SELF_INSERT:
1801         case LFUN_LINE_INSERT:
1802         case LFUN_PAGEBREAK_INSERT:
1803         case LFUN_MATH_DISPLAY:
1804         case LFUN_MATH_IMPORT_SELECTION:
1805         case LFUN_MATH_MODE:
1806         case LFUN_MATH_MACRO:
1807         case LFUN_MATH_INSERT:
1808         case LFUN_MATH_MATRIX:
1809         case LFUN_MATH_DELIM:
1810         case LFUN_MATH_BIGDELIM:
1811         case LFUN_MATH_SUBSCRIPT:
1812         case LFUN_MATH_SUPERSCRIPT:
1813         case LFUN_FONT_DEFAULT:
1814         case LFUN_FONT_UNDERLINE:
1815         case LFUN_FONT_SIZE:
1816         case LFUN_LANGUAGE:
1817         case LFUN_FONT_FREE_APPLY:
1818         case LFUN_FONT_FREE_UPDATE:
1819         case LFUN_LAYOUT_PARAGRAPH:
1820         case LFUN_PARAGRAPH_UPDATE:
1821         case LFUN_ACCENT_UMLAUT:
1822         case LFUN_ACCENT_CIRCUMFLEX:
1823         case LFUN_ACCENT_GRAVE:
1824         case LFUN_ACCENT_ACUTE:
1825         case LFUN_ACCENT_TILDE:
1826         case LFUN_ACCENT_CEDILLA:
1827         case LFUN_ACCENT_MACRON:
1828         case LFUN_ACCENT_DOT:
1829         case LFUN_ACCENT_UNDERDOT:
1830         case LFUN_ACCENT_UNDERBAR:
1831         case LFUN_ACCENT_CARON:
1832         case LFUN_ACCENT_SPECIAL_CARON:
1833         case LFUN_ACCENT_BREVE:
1834         case LFUN_ACCENT_TIE:
1835         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1836         case LFUN_ACCENT_CIRCLE:
1837         case LFUN_ACCENT_OGONEK:
1838         case LFUN_CHANGE_ACCEPT:
1839         case LFUN_CHANGE_REJECT:
1840         case LFUN_THESAURUS_ENTRY:
1841         case LFUN_PARAGRAPH_PARAMS_APPLY:
1842         case LFUN_ESCAPE:
1843         case LFUN_BUFFER_END:
1844         case LFUN_BUFFER_BEGIN:
1845         case LFUN_BUFFER_BEGIN_SELECT:
1846         case LFUN_BUFFER_END_SELECT:
1847                 // these are handled in our dispatch()
1848                 enable = true;
1849                 break;
1850
1851         default:
1852                 return false;
1853         }
1854
1855         if (code != InsetBase::NO_CODE
1856             && (cur.empty() || !cur.inset().insetAllowed(code)))
1857                 enable = false;
1858
1859         flag.enabled(enable);
1860         return true;
1861 }