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