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_SPACE_INSERT:
 751                 if (cur.paragraph().layout()->free_spacing)
 752                         insertChar(cur, ' ');
 753                 else {
 754                         doInsertInset(cur, this, cmd, false, false);
 755                         cur.posRight();
 756                 }
 757                 moveCursor(cur, false);
 758                 break;
 759
 760         case LFUN_HYPHENATION_POINT_INSERT:
 761                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 762                 break;
 763
 764         case LFUN_LIGATURE_BREAK_INSERT:
 765                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 766                 break;
 767
 768         case LFUN_DOTS_INSERT:
 769                 specialChar(cur, InsetSpecialChar::LDOTS);
 770                 break;
 771
 772         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 773                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 774                 break;
 775
 776         case LFUN_MENU_SEPARATOR_INSERT:
 777                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 778                 break;
 779
 780         case LFUN_WORD_UPCASE:
 781                 changeCase(cur, LyXText::text_uppercase);
 782                 break;
 783
 784         case LFUN_WORD_LOWCASE:
 785                 changeCase(cur, LyXText::text_lowercase);
 786                 break;
 787
 788         case LFUN_WORD_CAPITALIZE:
 789                 changeCase(cur, LyXText::text_capitalization);
 790                 break;
 791
 792         case LFUN_CHARS_TRANSPOSE:
 793                 recordUndo(cur);
 794                 break;
 795
 796         case LFUN_PASTE:
 797                 cur.message(_("Paste"));
 798                 lyx::cap::replaceSelection(cur);
 799                 if (isStrUnsignedInt(cmd.argument))
 800                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 801                 else
 802                         pasteSelection(cur, 0);
 803                 cur.clearSelection(); // bug 393
 804                 bv->switchKeyMap();
 805                 finishUndo();
 806                 break;
 807
 808         case LFUN_CUT:
 809                 cutSelection(cur, true, true);
 810                 cur.message(_("Cut"));
 811                 break;
 812
 813         case LFUN_COPY:
 814                 copySelection(cur);
 815                 cur.message(_("Copy"));
 816                 break;
 817
 818         case LFUN_SERVER_GET_XY:
 819                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 820                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 821                 break;
 822
 823         case LFUN_SERVER_SET_XY: {
 824                 int x = 0;
 825                 int y = 0;
 826                 istringstream is(cmd.argument);
 827                 is >> x >> y;
 828                 if (!is)
 829                         lyxerr << "SETXY: Could not parse coordinates in '"
 830                                << cmd.argument << std::endl;
 831                 else
 832                         setCursorFromCoordinates(cur, x, y);
 833                 break;
 834         }
 835
 836         case LFUN_SERVER_GET_FONT:
 837                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 838                         cur.message("E");
 839                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 840                         cur.message("N");
 841                 else
 842                         cur.message("0");
 843                 break;
 844
 845         case LFUN_SERVER_GET_LAYOUT:
 846                 cur.message(cur.paragraph().layout()->name());
 847                 break;
 848
 849         case LFUN_LAYOUT: {
 850                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 851                   << cmd.argument << endl;
 852
 853                 // This is not the good solution to the empty argument
 854                 // problem, but it will hopefully suffice for 1.2.0.
 855                 // The correct solution would be to augument the
 856                 // function list/array with information about what
 857                 // functions needs arguments and their type.
 858                 if (cmd.argument.empty()) {
 859                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 860                         break;
 861                 }
 862
 863                 // Derive layout number from given argument (string)
 864                 // and current buffer's textclass (number)
 865                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 866                 bool hasLayout = tclass.hasLayout(cmd.argument);
 867                 string layout = cmd.argument;
 868
 869                 // If the entry is obsolete, use the new one instead.
 870                 if (hasLayout) {
 871                         string const & obs = tclass[layout]->obsoleted_by();
 872                         if (!obs.empty())
 873                                 layout = obs;
 874                 }
 875
 876                 if (!hasLayout) {
 877                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 878                                 N_(" not known"));
 879                         break;
 880                 }
 881
 882                 bool change_layout = (current_layout != layout);
 883
 884                 if (!change_layout && cur.selection() &&
 885                         cur.selBegin().pit() != cur.selEnd().pit())
 886                 {
 887                         pit_type spit = cur.selBegin().pit();
 888                         pit_type epit = cur.selEnd().pit() + 1;
 889                         while (spit != epit) {
 890                                 if (pars_[spit].layout()->name() != current_layout) {
 891                                         change_layout = true;
 892                                         break;
 893                                 }
 894                                 ++spit;
 895                         }
 896                 }
 897
 898                 if (change_layout) {
 899                         current_layout = layout;
 900                         setLayout(cur, layout);
 901                         bv->owner()->setLayout(layout);
 902                         bv->switchKeyMap();
 903                 }
 904                 break;
 905         }
 906
 907         case LFUN_CLIPBOARD_PASTE: {
 908                 cur.clearSelection();
 909                 string const clip = bv->owner()->gui().clipboard().get();
 910                 if (!clip.empty()) {
 911                         recordUndo(cur);
 912                         if (cmd.argument == "paragraph")
 913                                 insertStringAsParagraphs(cur, clip);
 914                         else
 915                                 insertStringAsLines(cur, clip);
 916                 }
 917                 break;
 918         }
 919
 920         case LFUN_PRIMARY_SELECTION_PASTE: {
 921                 cur.clearSelection();
 922                 string const clip = bv->owner()->gui().selection().get();
 923                 if (!clip.empty()) {
 924                         recordUndo(cur);
 925                         if (cmd.argument == "paragraph")
 926                                 insertStringAsParagraphs(cur, clip);
 927                         else
 928                                 insertStringAsLines(cur, clip);
 929                 }
 930                 break;
 931         }
 932
 933         case LFUN_QUOTE_INSERT: {
 934                 lyx::cap::replaceSelection(cur);
 935                 Paragraph & par = cur.paragraph();
 936                 lyx::pos_type pos = cur.pos();
 937                 lyx::char_type c;
 938                 if (pos == 0)
 939                         c = ' ';
 940                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 941                         c = ' ';
 942                 else
 943                         c = par.getChar(pos - 1);
 944
 945                 LyXLayout_ptr const & style = par.layout();
 946
 947                 BufferParams const & bufparams = bv->buffer()->params();
 948                 if (!style->pass_thru
 949                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 950                         string arg = cmd.argument;
 951                         if (arg == "single")
 952                                 cur.insert(new InsetQuotes(c,
 953                                     bufparams.quotes_language,
 954                                     InsetQuotes::SingleQ));
 955                         else
 956                                 cur.insert(new InsetQuotes(c,
 957                                     bufparams.quotes_language,
 958                                     InsetQuotes::DoubleQ));
 959                         cur.posRight();
 960                 }
 961                 else
 962                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 963                 break;
 964         }
 965
 966         case LFUN_DATE_INSERT:
 967                 if (cmd.argument.empty())
 968                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 969                                 lyx::formatted_time(lyx::current_time())));
 970                 else
 971                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 972                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 973                 break;
 974
 975         case LFUN_MOUSE_TRIPLE:
 976                 if (cmd.button() == mouse_button::button1) {
 977                         cursorHome(cur);
 978                         cur.resetAnchor();
 979                         cursorEnd(cur);
 980                         cur.setSelection();
 981                         bv->cursor() = cur;
 982                         bv->owner()->gui().selection().haveSelection(cur.selection());
 983                 }
 984                 break;
 985
 986         case LFUN_MOUSE_DOUBLE:
 987                 if (cmd.button() == mouse_button::button1) {
 988                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 989                         bv->cursor() = cur;
 990                         bv->owner()->gui().selection().haveSelection(cur.selection());
 991                 }
 992                 break;
 993
 994         // Single-click on work area
 995         case LFUN_MOUSE_PRESS: {
 996                 // Right click on a footnote flag opens float menu
 997                 if (cmd.button() == mouse_button::button3)
 998                         cur.clearSelection();
 999
1000                 // Middle button press pastes if we have a selection
1001                 // We do this here as if the selection was inside an inset
1002                 // it could get cleared on the unlocking of the inset so
1003                 // we have to check this first
1004                 bool paste_internally = false;
1005                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1006                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1007                         paste_internally = true;
1008                 }
1009
1010                 bv->mouseSetCursor(cur);
1011
1012                 // Insert primary selection with middle mouse
1013                 // if there is a local selection in the current buffer,
1014                 // insert this
1015                 if (cmd.button() == mouse_button::button2) {
1016                         if (paste_internally)
1017                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1018                         else
1019                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1020                 }
1021
1022                 break;
1023         }
1024
1025         case LFUN_MOUSE_MOTION: {
1026                 // Only use motion with button 1
1027                 //if (cmd.button() != mouse_button::button1)
1028                 //      return false;
1029
1030                 // ignore motions deeper nested than the real anchor
1031                 LCursor & bvcur = cur.bv().cursor();
1032                 if (bvcur.anchor_.hasPart(cur)) {
1033                         CursorSlice old = bvcur.top();
1034
1035                         int const wh = bv->workHeight();
1036                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1037
1038                         setCursorFromCoordinates(cur, cmd.x, y);
1039                         cur.x_target() = cmd.x;
1040                         if (cmd.y >= wh)
1041                                 cursorDown(cur);
1042                         else if (cmd.y < 0)
1043                                 cursorUp(cur);
1044                         // This is to allow jumping over large insets
1045                         if (cur.top() == old) {
1046                                 if (cmd.y >= wh)
1047                                         cursorDown(cur);
1048                                 else if (cmd.y < 0)
1049                                         cursorUp(cur);
1050                         }
1051
1052                         if (cur.top() == old)
1053                                 cur.noUpdate();
1054                         else {
1055                                 // don't set anchor_
1056                                 bvcur.setCursor(cur);
1057                                 bvcur.selection() = true;
1058                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1059                         }
1060
1061                 } else
1062                         cur.undispatched();
1063                 break;
1064         }
1065
1066         case LFUN_MOUSE_RELEASE: {
1067                 if (cmd.button() == mouse_button::button2)
1068                         break;
1069
1070                 // finish selection
1071                 if (cmd.button() == mouse_button::button1)
1072                         bv->owner()->gui().selection().haveSelection(cur.selection());
1073
1074                 bv->switchKeyMap();
1075                 bv->owner()->updateMenubar();
1076                 bv->owner()->updateToolbars();
1077                 break;
1078         }
1079
1080         case LFUN_SELF_INSERT: {
1081                 if (cmd.argument.empty())
1082                         break;
1083
1084                 // Automatically delete the currently selected
1085                 // text and replace it with what is being
1086                 // typed in now. Depends on lyxrc settings
1087                 // "auto_region_delete", which defaults to
1088                 // true (on).
1089
1090                 if (lyxrc.auto_region_delete) {
1091                         if (cur.selection())
1092                                 cutSelection(cur, false, false);
1093                         bv->owner()->gui().selection().haveSelection(false);
1094                 }
1095
1096                 cur.clearSelection();
1097                 LyXFont const old_font = real_current_font;
1098
1099                 string::const_iterator cit = cmd.argument.begin();
1100                 string::const_iterator end = cmd.argument.end();
1101                 for (; cit != end; ++cit)
1102                         bv->owner()->getIntl().getTransManager().
1103                                 translateAndInsert(*cit, this);
1104
1105                 cur.resetAnchor();
1106                 moveCursor(cur, false);
1107                 break;
1108         }
1109
1110         case LFUN_URL_INSERT: {
1111                 InsetCommandParams p("url");
1112                 string const data = InsetCommandMailer::params2string("url", p);
1113                 bv->owner()->getDialogs().show("url", data, 0);
1114                 break;
1115         }
1116
1117         case LFUN_HTML_INSERT: {
1118                 InsetCommandParams p("htmlurl");
1119                 string const data = InsetCommandMailer::params2string("url", p);
1120                 bv->owner()->getDialogs().show("url", data, 0);
1121                 break;
1122         }
1123
1124         case LFUN_LABEL_INSERT: {
1125                 // Try to generate a valid label
1126                 string const contents = cmd.argument.empty() ?
1127                         cur.getPossibleLabel() : cmd.argument;
1128
1129                 InsetCommandParams p("label", contents);
1130                 string const data = InsetCommandMailer::params2string("label", p);
1131
1132                 if (cmd.argument.empty()) {
1133                         bv->owner()->getDialogs().show("label", data, 0);
1134                 } else {
1135                         FuncRequest fr(LFUN_INSET_INSERT, data);
1136                         dispatch(cur, fr);
1137                 }
1138                 break;
1139         }
1140
1141
1142 #if 0
1143         case LFUN_LIST_INSERT:
1144         case LFUN_THEOREM_INSERT:
1145         case LFUN_CAPTION_INSERT:
1146 #endif
1147         case LFUN_NOTE_INSERT:
1148         case LFUN_CHARSTYLE_INSERT:
1149         case LFUN_BOX_INSERT:
1150         case LFUN_BRANCH_INSERT:
1151         case LFUN_BIBITEM_INSERT:
1152         case LFUN_ERT_INSERT:
1153         case LFUN_FOOTNOTE_INSERT:
1154         case LFUN_MARGINALNOTE_INSERT:
1155         case LFUN_OPTIONAL_INSERT:
1156         case LFUN_ENVIRONMENT_INSERT:
1157                 // Open the inset, and move the current selection
1158                 // inside it.
1159                 doInsertInset(cur, this, cmd, true, true);
1160                 cur.posRight();
1161                 break;
1162
1163         case LFUN_TABULAR_INSERT:
1164                 // if there were no arguments, just open the dialog
1165                 if (doInsertInset(cur, this, cmd, false, true))
1166                         cur.posRight();
1167                 else
1168                         bv->owner()->getDialogs().show("tabularcreate");
1169
1170                 break;
1171
1172         case LFUN_FLOAT_INSERT:
1173         case LFUN_FLOAT_WIDE_INSERT:
1174         case LFUN_WRAP_INSERT:
1175                 doInsertInset(cur, this, cmd, true, true);
1176                 cur.posRight();
1177                 // FIXME: the "Caption" name should not be hardcoded,
1178                 // but given by the float definition.
1179                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1180                 break;
1181
1182         case LFUN_INDEX_INSERT: {
1183                 InsetBase * inset = createInset(&cur.bv(), cmd);
1184                 if (!inset)
1185                         break;
1186
1187                 recordUndo(cur);
1188                 cur.clearSelection();
1189                 insertInset(cur, inset);
1190                 inset->edit(cur, true);
1191                 cur.posRight();
1192                 break;
1193         }
1194
1195         case LFUN_INDEX_PRINT:
1196         case LFUN_TOC_INSERT:
1197         case LFUN_HFILL_INSERT:
1198         case LFUN_LINE_INSERT:
1199         case LFUN_PAGEBREAK_INSERT:
1200                 // do nothing fancy
1201                 doInsertInset(cur, this, cmd, false, false);
1202                 cur.posRight();
1203                 break;
1204
1205         case LFUN_DEPTH_DECREMENT:
1206                 changeDepth(cur, DEC_DEPTH);
1207                 break;
1208
1209         case LFUN_DEPTH_INCREMENT:
1210                 changeDepth(cur, INC_DEPTH);
1211                 break;
1212
1213         case LFUN_MATH_DISPLAY:
1214                 mathDispatch(cur, cmd, true);
1215                 break;
1216
1217         case LFUN_MATH_IMPORT_SELECTION:
1218         case LFUN_MATH_MODE:
1219                 if (cmd.argument == "on")
1220                         // don't pass "on" as argument
1221                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1222                 else
1223                         mathDispatch(cur, cmd, false);
1224                 break;
1225
1226         case LFUN_MATH_MACRO:
1227                 if (cmd.argument.empty())
1228                         cur.errorMessage(N_("Missing argument"));
1229                 else {
1230                         string s = cmd.argument;
1231                         string const s1 = token(s, ' ', 1);
1232                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1233                         string const s2 = token(s, ' ', 2);
1234                         string const type = s2.empty() ? "newcommand" : s2;
1235                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1236                         //cur.nextInset()->edit(cur, true);
1237                 }
1238                 break;
1239
1240         // passthrough hat and underscore outside mathed:
1241         case LFUN_MATH_SUBSCRIPT:
1242                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1243                 break;
1244         case LFUN_MATH_SUPERSCRIPT:
1245                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1246                 break;
1247
1248         case LFUN_MATH_INSERT:
1249         case LFUN_MATH_MATRIX:
1250         case LFUN_MATH_DELIM:
1251         case LFUN_MATH_BIGDELIM: {
1252                 cur.insert(new MathHullInset("simple"));
1253                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1254                 cur.dispatch(cmd);
1255                 break;
1256         }
1257
1258         case LFUN_FONT_EMPH: {
1259                 LyXFont font(LyXFont::ALL_IGNORE);
1260                 font.setEmph(LyXFont::TOGGLE);
1261                 toggleAndShow(cur, this, font);
1262                 break;
1263         }
1264
1265         case LFUN_FONT_BOLD: {
1266                 LyXFont font(LyXFont::ALL_IGNORE);
1267                 font.setSeries(LyXFont::BOLD_SERIES);
1268                 toggleAndShow(cur, this, font);
1269                 break;
1270         }
1271
1272         case LFUN_FONT_NOUN: {
1273                 LyXFont font(LyXFont::ALL_IGNORE);
1274                 font.setNoun(LyXFont::TOGGLE);
1275                 toggleAndShow(cur, this, font);
1276                 break;
1277         }
1278
1279         case LFUN_FONT_CODE: {
1280                 LyXFont font(LyXFont::ALL_IGNORE);
1281                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1282                 toggleAndShow(cur, this, font);
1283                 break;
1284         }
1285
1286         case LFUN_FONT_SANS: {
1287                 LyXFont font(LyXFont::ALL_IGNORE);
1288                 font.setFamily(LyXFont::SANS_FAMILY);
1289                 toggleAndShow(cur, this, font);
1290                 break;
1291         }
1292
1293         case LFUN_FONT_ROMAN: {
1294                 LyXFont font(LyXFont::ALL_IGNORE);
1295                 font.setFamily(LyXFont::ROMAN_FAMILY);
1296                 toggleAndShow(cur, this, font);
1297                 break;
1298         }
1299
1300         case LFUN_FONT_DEFAULT: {
1301                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1302                 toggleAndShow(cur, this, font);
1303                 break;
1304         }
1305
1306         case LFUN_FONT_UNDERLINE: {
1307                 LyXFont font(LyXFont::ALL_IGNORE);
1308                 font.setUnderbar(LyXFont::TOGGLE);
1309                 toggleAndShow(cur, this, font);
1310                 break;
1311         }
1312
1313         case LFUN_FONT_SIZE: {
1314                 LyXFont font(LyXFont::ALL_IGNORE);
1315                 font.setLyXSize(cmd.argument);
1316                 toggleAndShow(cur, this, font);
1317                 break;
1318         }
1319
1320         case LFUN_LANGUAGE: {
1321                 Language const * lang = languages.getLanguage(cmd.argument);
1322                 if (!lang)
1323                         break;
1324                 LyXFont font(LyXFont::ALL_IGNORE);
1325                 font.setLanguage(lang);
1326                 toggleAndShow(cur, this, font);
1327                 bv->switchKeyMap();
1328                 break;
1329         }
1330
1331         case LFUN_FONT_FREE_APPLY:
1332                 toggleAndShow(cur, this, freefont, toggleall);
1333                 cur.message(_("Character set"));
1334                 break;
1335
1336         // Set the freefont using the contents of \param data dispatched from
1337         // the frontends and apply it at the current cursor location.
1338         case LFUN_FONT_FREE_UPDATE: {
1339                 LyXFont font;
1340                 bool toggle;
1341                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1342                         freefont = font;
1343                         toggleall = toggle;
1344                         toggleAndShow(cur, this, freefont, toggleall);
1345                         cur.message(_("Character set"));
1346                 }
1347                 break;
1348         }
1349
1350         case LFUN_FINISHED_LEFT:
1351                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1352                 break;
1353
1354         case LFUN_FINISHED_RIGHT:
1355                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1356                 ++cur.pos();
1357                 break;
1358
1359         case LFUN_FINISHED_UP:
1360                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1361                 cursorUp(cur);
1362                 break;
1363
1364         case LFUN_FINISHED_DOWN:
1365                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1366                 cursorDown(cur);
1367                 break;
1368
1369         case LFUN_LAYOUT_PARAGRAPH: {
1370                 string data;
1371                 params2string(cur.paragraph(), data);
1372                 data = "show\n" + data;
1373                 bv->owner()->getDialogs().show("paragraph", data);
1374                 break;
1375         }
1376
1377         case LFUN_PARAGRAPH_UPDATE: {
1378                 if (!bv->owner()->getDialogs().visible("paragraph"))
1379                         break;
1380                 string data;
1381                 params2string(cur.paragraph(), data);
1382
1383                 // Will the paragraph accept changes from the dialog?
1384                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1385
1386                 data = "update " + convert<string>(accept) + '\n' + data;
1387                 bv->owner()->getDialogs().update("paragraph", data);
1388                 break;
1389         }
1390
1391         case LFUN_ACCENT_UMLAUT:
1392         case LFUN_ACCENT_CIRCUMFLEX:
1393         case LFUN_ACCENT_GRAVE:
1394         case LFUN_ACCENT_ACUTE:
1395         case LFUN_ACCENT_TILDE:
1396         case LFUN_ACCENT_CEDILLA:
1397         case LFUN_ACCENT_MACRON:
1398         case LFUN_ACCENT_DOT:
1399         case LFUN_ACCENT_UNDERDOT:
1400         case LFUN_ACCENT_UNDERBAR:
1401         case LFUN_ACCENT_CARON:
1402         case LFUN_ACCENT_SPECIAL_CARON:
1403         case LFUN_ACCENT_BREVE:
1404         case LFUN_ACCENT_TIE:
1405         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1406         case LFUN_ACCENT_CIRCLE:
1407         case LFUN_ACCENT_OGONEK:
1408                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1409                 if (!cmd.argument.empty())
1410                         bv->owner()->getIntl().getTransManager()
1411                                 .translateAndInsert(cmd.argument[0], this);
1412                 break;
1413
1414         case LFUN_FLOAT_LIST: {
1415                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1416                 if (tclass.floats().typeExist(cmd.argument)) {
1417                         // not quite sure if we want this...
1418                         recordUndo(cur);
1419                         cur.clearSelection();
1420                         breakParagraph(cur);
1421
1422                         if (cur.lastpos() != 0) {
1423                                 cursorLeft(cur);
1424                                 breakParagraph(cur);
1425                         }
1426
1427                         setLayout(cur, tclass.defaultLayoutName());
1428                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1429                         insertInset(cur, new InsetFloatList(cmd.argument));
1430                         cur.posRight();
1431                 } else {
1432                         lyxerr << "Non-existent float type: "
1433                                << cmd.argument << endl;
1434                 }
1435                 break;
1436         }
1437
1438         case LFUN_CHANGE_ACCEPT: {
1439                 acceptChange(cur);
1440                 break;
1441         }
1442
1443         case LFUN_CHANGE_REJECT: {
1444                 rejectChange(cur);
1445                 break;
1446         }
1447
1448         case LFUN_THESAURUS_ENTRY: {
1449                 string arg = cmd.argument;
1450                 if (arg.empty()) {
1451                         arg = cur.selectionAsString(false);
1452                         // FIXME
1453                         if (arg.size() > 100 || arg.empty()) {
1454                                 // Get word or selection
1455                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1456                                 arg = cur.selectionAsString(false);
1457                         }
1458                 }
1459                 bv->owner()->getDialogs().show("thesaurus", arg);
1460                 break;
1461         }
1462
1463         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1464                 // Given data, an encoding of the ParagraphParameters
1465                 // generated in the Paragraph dialog, this function sets
1466                 // the current paragraph appropriately.
1467                 istringstream is(cmd.argument);
1468                 LyXLex lex(0, 0);
1469                 lex.setStream(is);
1470                 ParagraphParameters params;
1471                 params.read(lex);
1472                 setParagraph(cur,
1473                                          params.spacing(),
1474                                          params.align(),
1475                                          params.labelWidthString(),
1476                                          params.noindent());
1477                 cur.message(_("Paragraph layout set"));
1478                 break;
1479         }
1480
1481         case LFUN_ESCAPE:
1482                 if (cur.selection()) {
1483                         cur.selection() = false;
1484                 } else {
1485                         cur.undispatched();
1486                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1487                 }
1488                 break;
1489
1490         default:
1491                 lyxerr[Debug::ACTION]
1492                         << BOOST_CURRENT_FUNCTION
1493                         << ": Command " << cmd
1494                         << " not DISPATCHED by LyXText" << endl;
1495                 cur.undispatched();
1496                 break;
1497         }
1498
1499         if (singleParUpdate)
1500                 // Inserting characters does not change par height
1501                 if (cur.bottom().paragraph().dim().height()
1502                     == olddim.height()) {
1503                         // if so, update _only_ this paragraph
1504                         cur.bv().update(Update::SinglePar |
1505                                         Update::FitCursor |
1506                                         Update::MultiParSel);
1507                         cur.noUpdate();
1508                         return;
1509                 } else
1510                         needsUpdate = true;
1511         if (!needsUpdate
1512             && &oldTopSlice.inset() == &cur.inset()
1513             && oldTopSlice.idx() == cur.idx()
1514             && !sel
1515             && !cur.selection())
1516                 cur.noUpdate();
1517         else
1518                 cur.needsUpdate();
1519 }
1520
1521
1522 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1523                         FuncStatus & flag) const
1524 {
1525         BOOST_ASSERT(cur.text() == this);
1526
1527         LyXFont const & font = real_current_font;
1528         bool enable = true;
1529         InsetBase::Code code = InsetBase::NO_CODE;
1530
1531         switch (cmd.action) {
1532
1533         case LFUN_DEPTH_DECREMENT:
1534                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1535                 break;
1536
1537         case LFUN_DEPTH_INCREMENT:
1538                 enable = changeDepthAllowed(cur, INC_DEPTH);
1539                 break;
1540
1541         case LFUN_APPENDIX:
1542                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1543                 return true;
1544
1545         case LFUN_BIBITEM_INSERT:
1546                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1547                 break;
1548
1549         case LFUN_DIALOG_SHOW_NEW_INSET:
1550                 if (cmd.argument == "bibitem")
1551                         code = InsetBase::BIBITEM_CODE;
1552                 else if (cmd.argument == "bibtex")
1553                         code = InsetBase::BIBTEX_CODE;
1554                 else if (cmd.argument == "box")
1555                         code = InsetBase::BOX_CODE;
1556                 else if (cmd.argument == "branch")
1557                         code = InsetBase::BRANCH_CODE;
1558                 else if (cmd.argument == "citation")
1559                         code = InsetBase::CITE_CODE;
1560                 else if (cmd.argument == "ert")
1561                         code = InsetBase::ERT_CODE;
1562                 else if (cmd.argument == "external")
1563                         code = InsetBase::EXTERNAL_CODE;
1564                 else if (cmd.argument == "float")
1565                         code = InsetBase::FLOAT_CODE;
1566                 else if (cmd.argument == "graphics")
1567                         code = InsetBase::GRAPHICS_CODE;
1568                 else if (cmd.argument == "include")
1569                         code = InsetBase::INCLUDE_CODE;
1570                 else if (cmd.argument == "index")
1571                         code = InsetBase::INDEX_CODE;
1572                 else if (cmd.argument == "label")
1573                         code = InsetBase::LABEL_CODE;
1574                 else if (cmd.argument == "note")
1575                         code = InsetBase::NOTE_CODE;
1576                 else if (cmd.argument == "ref")
1577                         code = InsetBase::REF_CODE;
1578                 else if (cmd.argument == "toc")
1579                         code = InsetBase::TOC_CODE;
1580                 else if (cmd.argument == "url")
1581                         code = InsetBase::URL_CODE;
1582                 else if (cmd.argument == "vspace")
1583                         code = InsetBase::VSPACE_CODE;
1584                 else if (cmd.argument == "wrap")
1585                         code = InsetBase::WRAP_CODE;
1586                 break;
1587
1588         case LFUN_ERT_INSERT:
1589                 code = InsetBase::ERT_CODE;
1590                 break;
1591         case LFUN_FOOTNOTE_INSERT:
1592                 code = InsetBase::FOOT_CODE;
1593                 break;
1594         case LFUN_TABULAR_INSERT:
1595                 code = InsetBase::TABULAR_CODE;
1596                 break;
1597         case LFUN_MARGINALNOTE_INSERT:
1598                 code = InsetBase::MARGIN_CODE;
1599                 break;
1600         case LFUN_FLOAT_INSERT:
1601         case LFUN_FLOAT_WIDE_INSERT:
1602                 code = InsetBase::FLOAT_CODE;
1603                 break;
1604         case LFUN_WRAP_INSERT:
1605                 code = InsetBase::WRAP_CODE;
1606                 break;
1607         case LFUN_FLOAT_LIST:
1608                 code = InsetBase::FLOAT_LIST_CODE;
1609                 break;
1610 #if 0
1611         case LFUN_LIST_INSERT:
1612                 code = InsetBase::LIST_CODE;
1613                 break;
1614         case LFUN_THEOREM_INSERT:
1615                 code = InsetBase::THEOREM_CODE;
1616                 break;
1617 #endif
1618         case LFUN_CAPTION_INSERT:
1619                 code = InsetBase::CAPTION_CODE;
1620                 break;
1621         case LFUN_NOTE_INSERT:
1622                 code = InsetBase::NOTE_CODE;
1623                 break;
1624         case LFUN_CHARSTYLE_INSERT:
1625                 code = InsetBase::CHARSTYLE_CODE;
1626                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1627                         enable = false;
1628                 break;
1629         case LFUN_BOX_INSERT:
1630                 code = InsetBase::BOX_CODE;
1631                 break;
1632         case LFUN_BRANCH_INSERT:
1633                 code = InsetBase::BRANCH_CODE;
1634                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1635                         enable = false;
1636                 break;
1637         case LFUN_LABEL_INSERT:
1638                 code = InsetBase::LABEL_CODE;
1639                 break;
1640         case LFUN_OPTIONAL_INSERT:
1641                 code = InsetBase::OPTARG_CODE;
1642                 enable = numberOfOptArgs(cur.paragraph())
1643                         < cur.paragraph().layout()->optionalargs;
1644                 break;
1645         case LFUN_ENVIRONMENT_INSERT:
1646                 code = InsetBase::BOX_CODE;
1647                 break;
1648         case LFUN_INDEX_INSERT:
1649                 code = InsetBase::INDEX_CODE;
1650                 break;
1651         case LFUN_INDEX_PRINT:
1652                 code = InsetBase::INDEX_PRINT_CODE;
1653                 break;
1654         case LFUN_TOC_INSERT:
1655                 code = InsetBase::TOC_CODE;
1656                 break;
1657         case LFUN_HTML_INSERT:
1658         case LFUN_URL_INSERT:
1659                 code = InsetBase::URL_CODE;
1660                 break;
1661         case LFUN_QUOTE_INSERT:
1662                 // always allow this, since we will inset a raw quote
1663                 // if an inset is not allowed.
1664                 break;
1665         case LFUN_HYPHENATION_POINT_INSERT:
1666         case LFUN_LIGATURE_BREAK_INSERT:
1667         case LFUN_HFILL_INSERT:
1668         case LFUN_MENU_SEPARATOR_INSERT:
1669         case LFUN_DOTS_INSERT:
1670         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1671                 code = InsetBase::SPECIALCHAR_CODE;
1672                 break;
1673         case LFUN_SPACE_INSERT:
1674                 // slight hack: we know this is allowed in math mode
1675                 if (cur.inTexted())
1676                         code = InsetBase::SPACE_CODE;
1677                 break;
1678
1679         case LFUN_INSET_MODIFY:
1680                 // We need to disable this, because we may get called for a
1681                 // tabular cell via
1682                 // InsetTabular::getStatus() -> InsetText::getStatus()
1683                 // and we don't handle LFUN_INSET_MODIFY.
1684                 enable = false;
1685                 break;
1686
1687         case LFUN_FONT_EMPH:
1688                 flag.setOnOff(font.emph() == LyXFont::ON);
1689                 return true;
1690
1691         case LFUN_FONT_NOUN:
1692                 flag.setOnOff(font.noun() == LyXFont::ON);
1693                 return true;
1694
1695         case LFUN_FONT_BOLD:
1696                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1697                 return true;
1698
1699         case LFUN_FONT_SANS:
1700                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1701                 return true;
1702
1703         case LFUN_FONT_ROMAN:
1704                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1705                 return true;
1706
1707         case LFUN_FONT_CODE:
1708                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1709                 return true;
1710
1711         case LFUN_CUT:
1712         case LFUN_COPY:
1713                 enable = cur.selection();
1714                 break;
1715
1716         case LFUN_PASTE:
1717                 enable = lyx::cap::numberOfSelections() > 0;
1718                 break;
1719
1720         case LFUN_PARAGRAPH_MOVE_UP: {
1721                 enable = cur.pit() > 0 && !cur.selection();
1722                 break;
1723         }
1724
1725         case LFUN_PARAGRAPH_MOVE_DOWN: {
1726                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1727                 break;
1728         }
1729
1730         case LFUN_INSET_DISSOLVE: {
1731                 enable = &cur.inset() && cur.inTexted();
1732                 break;
1733         }
1734
1735         case LFUN_WORD_DELETE_FORWARD:
1736         case LFUN_WORD_DELETE_BACKWARD:
1737         case LFUN_LINE_DELETE:
1738         case LFUN_WORD_FORWARD:
1739         case LFUN_WORD_BACKWARD:
1740         case LFUN_CHAR_FORWARD:
1741         case LFUN_CHAR_FORWARD_SELECT:
1742         case LFUN_CHAR_BACKWARD:
1743         case LFUN_CHAR_BACKWARD_SELECT:
1744         case LFUN_UP:
1745         case LFUN_UP_SELECT:
1746         case LFUN_DOWN:
1747         case LFUN_DOWN_SELECT:
1748         case LFUN_PARAGRAPH_UP_SELECT:
1749         case LFUN_PARAGRAPH_DOWN_SELECT:
1750         case LFUN_SCREEN_UP_SELECT:
1751         case LFUN_SCREEN_DOWN_SELECT:
1752         case LFUN_LINE_BEGIN_SELECT:
1753         case LFUN_LINE_END_SELECT:
1754         case LFUN_WORD_FORWARD_SELECT:
1755         case LFUN_WORD_BACKWARD_SELECT:
1756         case LFUN_WORD_SELECT:
1757         case LFUN_PARAGRAPH_UP:
1758         case LFUN_PARAGRAPH_DOWN:
1759         case LFUN_SCREEN_UP:
1760         case LFUN_SCREEN_DOWN:
1761         case LFUN_LINE_BEGIN:
1762         case LFUN_LINE_END:
1763         case LFUN_BREAK_LINE:
1764         case LFUN_CHAR_DELETE_FORWARD:
1765         case LFUN_DELETE_FORWARD_SKIP:
1766         case LFUN_CHAR_DELETE_BACKWARD:
1767         case LFUN_DELETE_BACKWARD_SKIP:
1768         case LFUN_BREAK_PARAGRAPH:
1769         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1770         case LFUN_BREAK_PARAGRAPH_SKIP:
1771         case LFUN_PARAGRAPH_SPACING:
1772         case LFUN_INSET_INSERT:
1773         case LFUN_WORD_UPCASE:
1774         case LFUN_WORD_LOWCASE:
1775         case LFUN_WORD_CAPITALIZE:
1776         case LFUN_CHARS_TRANSPOSE:
1777         case LFUN_SERVER_GET_XY:
1778         case LFUN_SERVER_SET_XY:
1779         case LFUN_SERVER_GET_FONT:
1780         case LFUN_SERVER_GET_LAYOUT:
1781         case LFUN_LAYOUT:
1782         case LFUN_CLIPBOARD_PASTE:
1783         case LFUN_PRIMARY_SELECTION_PASTE:
1784         case LFUN_DATE_INSERT:
1785         case LFUN_SELF_INSERT:
1786         case LFUN_LINE_INSERT:
1787         case LFUN_PAGEBREAK_INSERT:
1788         case LFUN_MATH_DISPLAY:
1789         case LFUN_MATH_IMPORT_SELECTION:
1790         case LFUN_MATH_MODE:
1791         case LFUN_MATH_MACRO:
1792         case LFUN_MATH_INSERT:
1793         case LFUN_MATH_MATRIX:
1794         case LFUN_MATH_DELIM:
1795         case LFUN_MATH_BIGDELIM:
1796         case LFUN_MATH_SUBSCRIPT:
1797         case LFUN_MATH_SUPERSCRIPT:
1798         case LFUN_FONT_DEFAULT:
1799         case LFUN_FONT_UNDERLINE:
1800         case LFUN_FONT_SIZE:
1801         case LFUN_LANGUAGE:
1802         case LFUN_FONT_FREE_APPLY:
1803         case LFUN_FONT_FREE_UPDATE:
1804         case LFUN_LAYOUT_PARAGRAPH:
1805         case LFUN_PARAGRAPH_UPDATE:
1806         case LFUN_ACCENT_UMLAUT:
1807         case LFUN_ACCENT_CIRCUMFLEX:
1808         case LFUN_ACCENT_GRAVE:
1809         case LFUN_ACCENT_ACUTE:
1810         case LFUN_ACCENT_TILDE:
1811         case LFUN_ACCENT_CEDILLA:
1812         case LFUN_ACCENT_MACRON:
1813         case LFUN_ACCENT_DOT:
1814         case LFUN_ACCENT_UNDERDOT:
1815         case LFUN_ACCENT_UNDERBAR:
1816         case LFUN_ACCENT_CARON:
1817         case LFUN_ACCENT_SPECIAL_CARON:
1818         case LFUN_ACCENT_BREVE:
1819         case LFUN_ACCENT_TIE:
1820         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1821         case LFUN_ACCENT_CIRCLE:
1822         case LFUN_ACCENT_OGONEK:
1823         case LFUN_CHANGE_ACCEPT:
1824         case LFUN_CHANGE_REJECT:
1825         case LFUN_THESAURUS_ENTRY:
1826         case LFUN_PARAGRAPH_PARAMS_APPLY:
1827         case LFUN_ESCAPE:
1828         case LFUN_BUFFER_END:
1829         case LFUN_BUFFER_BEGIN:
1830         case LFUN_BUFFER_BEGIN_SELECT:
1831         case LFUN_BUFFER_END_SELECT:
1832                 // these are handled in our dispatch()
1833                 enable = true;
1834                 break;
1835
1836         default:
1837                 return false;
1838         }
1839
1840         if (code != InsetBase::NO_CODE
1841             && (cur.empty() || !cur.inset().insetAllowed(code)))
1842                 enable = false;
1843
1844         flag.enabled(enable);
1845         return true;
1846 }