src/text3.C

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