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                 if (inset) {
 759                         cur.clearSelection();
 760                         FuncRequest fr = cmd;
 761                         fr.action = LFUN_INSET_TOGGLE;
 762                         inset->dispatch(cur, fr);
 763                 }
 764                 break;
 765         }
 766
 767         case LFUN_KEYMAP_TOGGLE:
 768                 cur.clearSelection();
 769                 bv->switchKeyMap();
 770                 break;
 771
 772         case LFUN_SPACE_INSERT:
 773                 if (cur.paragraph().layout()->free_spacing)
 774                         insertChar(cur, ' ');
 775                 else {
 776                         doInsertInset(cur, this, cmd, false, false);
 777                         cur.posRight();
 778                 }
 779                 moveCursor(cur, false);
 780                 break;
 781
 782         case LFUN_HYPHENATION:
 783                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 784                 break;
 785
 786         case LFUN_LIGATURE_BREAK:
 787                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 788                 break;
 789
 790         case LFUN_LDOTS:
 791                 specialChar(cur, InsetSpecialChar::LDOTS);
 792                 break;
 793
 794         case LFUN_END_OF_SENTENCE:
 795                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 796                 break;
 797
 798         case LFUN_MENU_SEPARATOR:
 799                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 800                 break;
 801
 802         case LFUN_UPCASE_WORD:
 803                 changeCase(cur, LyXText::text_uppercase);
 804                 break;
 805
 806         case LFUN_LOWCASE_WORD:
 807                 changeCase(cur, LyXText::text_lowercase);
 808                 break;
 809
 810         case LFUN_CAPITALIZE_WORD:
 811                 changeCase(cur, LyXText::text_capitalization);
 812                 break;
 813
 814         case LFUN_TRANSPOSE_CHARS:
 815                 recordUndo(cur);
 816                 break;
 817
 818         case LFUN_PASTE:
 819                 cur.message(_("Paste"));
 820                 lyx::cap::replaceSelection(cur);
 821 #ifdef WITH_WARNINGS
 822 #warning FIXME Check if the arg is in the domain of available selections.
 823 #endif
 824                 if (isStrUnsignedInt(cmd.argument))
 825                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 826                 else
 827                         pasteSelection(cur, 0);
 828                 cur.clearSelection(); // bug 393
 829                 bv->switchKeyMap();
 830                 finishUndo();
 831                 break;
 832
 833         case LFUN_CUT:
 834                 cutSelection(cur, true, true);
 835                 cur.message(_("Cut"));
 836                 break;
 837
 838         case LFUN_COPY:
 839                 copySelection(cur);
 840                 cur.message(_("Copy"));
 841                 break;
 842
 843         case LFUN_GETXY:
 844                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 845                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 846                 break;
 847
 848         case LFUN_SETXY: {
 849                 int x = 0;
 850                 int y = 0;
 851                 istringstream is(cmd.argument);
 852                 is >> x >> y;
 853                 if (!is)
 854                         lyxerr << "SETXY: Could not parse coordinates in '"
 855                                << cmd.argument << std::endl;
 856                 else
 857                         setCursorFromCoordinates(cur, x, y);
 858                 break;
 859         }
 860
 861         case LFUN_GETFONT:
 862                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 863                         cur.message("E");
 864                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 865                         cur.message("N");
 866                 else
 867                         cur.message("0");
 868                 break;
 869
 870         case LFUN_GETLAYOUT:
 871                 cur.message(cur.paragraph().layout()->name());
 872                 break;
 873
 874         case LFUN_LAYOUT: {
 875                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 876                   << cmd.argument << endl;
 877
 878                 // This is not the good solution to the empty argument
 879                 // problem, but it will hopefully suffice for 1.2.0.
 880                 // The correct solution would be to augument the
 881                 // function list/array with information about what
 882                 // functions needs arguments and their type.
 883                 if (cmd.argument.empty()) {
 884                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 885                         break;
 886                 }
 887
 888                 // Derive layout number from given argument (string)
 889                 // and current buffer's textclass (number)
 890                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 891                 bool hasLayout = tclass.hasLayout(cmd.argument);
 892                 string layout = cmd.argument;
 893
 894                 // If the entry is obsolete, use the new one instead.
 895                 if (hasLayout) {
 896                         string const & obs = tclass[layout]->obsoleted_by();
 897                         if (!obs.empty())
 898                                 layout = obs;
 899                 }
 900
 901                 if (!hasLayout) {
 902                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 903                                 N_(" not known"));
 904                         break;
 905                 }
 906
 907                 bool change_layout = (current_layout != layout);
 908
 909                 if (!change_layout && cur.selection() &&
 910                         cur.selBegin().pit() != cur.selEnd().pit())
 911                 {
 912                         pit_type spit = cur.selBegin().pit();
 913                         pit_type epit = cur.selEnd().pit() + 1;
 914                         while (spit != epit) {
 915                                 if (pars_[spit].layout()->name() != current_layout) {
 916                                         change_layout = true;
 917                                         break;
 918                                 }
 919                                 ++spit;
 920                         }
 921                 }
 922
 923                 if (change_layout) {
 924                         current_layout = layout;
 925                         setLayout(cur, layout);
 926                         bv->owner()->setLayout(layout);
 927                         bv->switchKeyMap();
 928                 }
 929                 break;
 930         }
 931
 932         case LFUN_PASTESELECTION: {
 933                 cur.clearSelection();
 934                 string const clip = bv->getClipboard();
 935                 if (!clip.empty()) {
 936                         recordUndo(cur);
 937                         if (cmd.argument == "paragraph")
 938                                 insertStringAsParagraphs(cur, clip);
 939                         else
 940                                 insertStringAsLines(cur, clip);
 941                 }
 942                 break;
 943         }
 944
 945         case LFUN_QUOTE: {
 946                 lyx::cap::replaceSelection(cur);
 947                 Paragraph & par = cur.paragraph();
 948                 lyx::pos_type pos = cur.pos();
 949                 char c;
 950                 if (pos == 0)
 951                         c = ' ';
 952                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 953                         c = ' ';
 954                 else
 955                         c = par.getChar(pos - 1);
 956
 957                 LyXLayout_ptr const & style = par.layout();
 958
 959                 BufferParams const & bufparams = bv->buffer()->params();
 960                 if (!style->pass_thru
 961                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 962                         string arg = cmd.argument;
 963                         if (arg == "single")
 964                                 cur.insert(new InsetQuotes(c,
 965                                     bufparams.quotes_language,
 966                                     InsetQuotes::SingleQ));
 967                         else
 968                                 cur.insert(new InsetQuotes(c,
 969                                     bufparams.quotes_language,
 970                                     InsetQuotes::DoubleQ));
 971                         cur.posRight();
 972                 }
 973                 else
 974                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 975                 break;
 976         }
 977
 978         case LFUN_DATE_INSERT:
 979                 if (cmd.argument.empty())
 980                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 981                                 lyx::formatted_time(lyx::current_time())));
 982                 else
 983                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 984                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 985                 break;
 986
 987         case LFUN_MOUSE_TRIPLE:
 988                 if (cmd.button() == mouse_button::button1) {
 989                         cursorHome(cur);
 990                         cur.resetAnchor();
 991                         cursorEnd(cur);
 992                         cur.setSelection();
 993                         bv->cursor() = cur;
 994                         bv->haveSelection(cur.selection());
 995                 }
 996                 break;
 997
 998         case LFUN_MOUSE_DOUBLE:
 999                 if (cmd.button() == mouse_button::button1) {
1000                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1001                         bv->cursor() = cur;
1002                         bv->haveSelection(cur.selection());
1003                 }
1004                 break;
1005
1006         // Single-click on work area
1007         case LFUN_MOUSE_PRESS: {
1008                 // Right click on a footnote flag opens float menu
1009                 if (cmd.button() == mouse_button::button3) {
1010                         cur.clearSelection();
1011                         break;
1012                 }
1013
1014                 // Middle button press pastes if we have a selection
1015                 // We do this here as if the selection was inside an inset
1016                 // it could get cleared on the unlocking of the inset so
1017                 // we have to check this first
1018                 bool paste_internally = false;
1019                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1020                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1021                         paste_internally = true;
1022                 }
1023
1024                 // Clear the selection
1025                 cur.clearSelection();
1026
1027                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1028                 cur.resetAnchor();
1029                 finishUndo();
1030                 cur.setTargetX();
1031
1032                 // Has the cursor just left the inset?
1033                 if (bv->cursor().inMathed() && !cur.inMathed())
1034                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1035
1036                 // Set cursor here.
1037                 bv->cursor() = cur;
1038
1039                 // Insert primary selection with middle mouse
1040                 // if there is a local selection in the current buffer,
1041                 // insert this
1042                 if (cmd.button() == mouse_button::button2) {
1043                         if (paste_internally)
1044                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1045                         else
1046                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1047                 }
1048
1049                 break;
1050         }
1051
1052         case LFUN_MOUSE_MOTION: {
1053                 // Only use motion with button 1
1054                 //if (cmd.button() != mouse_button::button1)
1055                 //      return false;
1056
1057                 // ignore motions deeper nested than the real anchor
1058                 LCursor & bvcur = cur.bv().cursor();
1059                 if (bvcur.anchor_.hasPart(cur)) {
1060                         CursorSlice old = bvcur.top();
1061
1062                         int const wh = bv->workHeight();
1063                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1064
1065                         setCursorFromCoordinates(cur, cmd.x, y);
1066                         cur.x_target() = cmd.x;
1067                         if (cmd.y >= wh)
1068                                 cursorDown(cur);
1069                         else if (cmd.y < 0)
1070                                 cursorUp(cur);
1071                         // This is to allow jumping over large insets
1072                         if (cur.top() == old) {
1073                                 if (cmd.y >= wh)
1074                                         cursorDown(cur);
1075                                 else if (cmd.y < 0)
1076                                         cursorUp(cur);
1077                         }
1078
1079                         if (cur.top() == old)
1080                                 cur.noUpdate();
1081                         else {
1082                                 // don't set anchor_
1083                                 bvcur.setCursor(cur);
1084                                 bvcur.selection() = true;
1085                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1086                         }
1087
1088                 } else
1089                         cur.undispatched();
1090                 break;
1091         }
1092
1093         case LFUN_MOUSE_RELEASE: {
1094                 if (cmd.button() == mouse_button::button2)
1095                         break;
1096
1097                 // finish selection
1098                 if (cmd.button() == mouse_button::button1)
1099                         bv->haveSelection(cur.selection());
1100
1101                 bv->switchKeyMap();
1102                 bv->owner()->updateMenubar();
1103                 bv->owner()->updateToolbars();
1104                 break;
1105         }
1106
1107         case LFUN_SELFINSERT: {
1108                 if (cmd.argument.empty())
1109                         break;
1110
1111                 // Automatically delete the currently selected
1112                 // text and replace it with what is being
1113                 // typed in now. Depends on lyxrc settings
1114                 // "auto_region_delete", which defaults to
1115                 // true (on).
1116
1117                 if (lyxrc.auto_region_delete) {
1118                         if (cur.selection())
1119                                 cutSelection(cur, false, false);
1120                         bv->haveSelection(false);
1121                 }
1122
1123                 cur.clearSelection();
1124                 LyXFont const old_font = real_current_font;
1125
1126                 // Prevents language turds in new lyxtexts under non-english
1127                 BufferParams const & bufparams = cur.buffer().params();
1128                 Language const * lang = cur.paragraph().getParLanguage(bufparams);
1129                 current_font.setLanguage(lang);
1130                 real_current_font.setLanguage(lang);
1131
1132                 string::const_iterator cit = cmd.argument.begin();
1133                 string::const_iterator end = cmd.argument.end();
1134                 for (; cit != end; ++cit)
1135                         bv->owner()->getIntl().getTransManager().
1136                                 TranslateAndInsert(*cit, this);
1137
1138                 cur.resetAnchor();
1139                 moveCursor(cur, false);
1140                 bv->updateScrollbar();
1141                 break;
1142         }
1143
1144         case LFUN_URL: {
1145                 InsetCommandParams p("url");
1146                 string const data = InsetCommandMailer::params2string("url", p);
1147                 bv->owner()->getDialogs().show("url", data, 0);
1148                 break;
1149         }
1150
1151         case LFUN_HTMLURL: {
1152                 InsetCommandParams p("htmlurl");
1153                 string const data = InsetCommandMailer::params2string("url", p);
1154                 bv->owner()->getDialogs().show("url", data, 0);
1155                 break;
1156         }
1157
1158         case LFUN_INSERT_LABEL: {
1159                 // Try to generate a valid label
1160                 string const contents = cmd.argument.empty() ?
1161                         cur.getPossibleLabel() : cmd.argument;
1162
1163                 InsetCommandParams p("label", contents);
1164                 string const data = InsetCommandMailer::params2string("label", p);
1165
1166                 if (cmd.argument.empty()) {
1167                         bv->owner()->getDialogs().show("label", data, 0);
1168                 } else {
1169                         FuncRequest fr(LFUN_INSET_INSERT, data);
1170                         dispatch(cur, fr);
1171                 }
1172                 break;
1173         }
1174
1175
1176 #if 0
1177         case LFUN_INSET_LIST:
1178         case LFUN_INSET_THEOREM:
1179         case LFUN_INSET_CAPTION:
1180 #endif
1181         case LFUN_INSERT_NOTE:
1182         case LFUN_INSERT_CHARSTYLE:
1183         case LFUN_INSERT_BOX:
1184         case LFUN_INSERT_BRANCH:
1185         case LFUN_INSERT_BIBITEM:
1186         case LFUN_INSET_ERT:
1187         case LFUN_INSET_FOOTNOTE:
1188         case LFUN_INSET_MARGINAL:
1189         case LFUN_INSET_OPTARG:
1190         case LFUN_ENVIRONMENT_INSERT:
1191                 // Open the inset, and move the current selection
1192                 // inside it.
1193                 doInsertInset(cur, this, cmd, true, true);
1194                 cur.posRight();
1195                 break;
1196
1197         case LFUN_TABULAR_INSERT:
1198                 // if there were no arguments, just open the dialog
1199                 if (doInsertInset(cur, this, cmd, false, true))
1200                         cur.posRight();
1201                 else
1202                         bv->owner()->getDialogs().show("tabularcreate");
1203
1204                 break;
1205
1206         case LFUN_INSET_FLOAT:
1207         case LFUN_INSET_WIDE_FLOAT:
1208         case LFUN_INSET_WRAP:
1209                 doInsertInset(cur, this, cmd, true, true);
1210                 cur.posRight();
1211                 // FIXME: the "Caption" name should not be hardcoded,
1212                 // but given by the float definition.
1213                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1214                 break;
1215
1216         case LFUN_INDEX_INSERT:
1217                 // Just open the inset
1218                 doInsertInset(cur, this, cmd, true, false);
1219                 cur.posRight();
1220                 break;
1221
1222         case LFUN_INDEX_PRINT:
1223         case LFUN_TOC_INSERT:
1224         case LFUN_HFILL:
1225         case LFUN_INSERT_LINE:
1226         case LFUN_INSERT_PAGEBREAK:
1227                 // do nothing fancy
1228                 doInsertInset(cur, this, cmd, false, false);
1229                 cur.posRight();
1230                 break;
1231
1232         case LFUN_DEPTH_MIN:
1233                 changeDepth(cur, DEC_DEPTH);
1234                 break;
1235
1236         case LFUN_DEPTH_PLUS:
1237                 changeDepth(cur, INC_DEPTH);
1238                 break;
1239
1240         case LFUN_MATH_DISPLAY:
1241                 mathDispatch(cur, cmd, true);
1242                 break;
1243
1244         case LFUN_MATH_IMPORT_SELECTION:
1245         case LFUN_MATH_MODE:
1246                 if (cmd.argument == "on")
1247                         // don't pass "on" as argument
1248                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1249                 else
1250                         mathDispatch(cur, cmd, false);
1251                 break;
1252
1253         case LFUN_MATH_MACRO:
1254                 if (cmd.argument.empty())
1255                         cur.errorMessage(N_("Missing argument"));
1256                 else {
1257                         string s = cmd.argument;
1258                         string const s1 = token(s, ' ', 1);
1259                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1260                         string const s2 = token(s, ' ', 2);
1261                         string const type = s2.empty() ? "newcommand" : s2;
1262                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1263                         //cur.nextInset()->edit(cur, true);
1264                 }
1265                 break;
1266
1267         // passthrough hat and underscore outside mathed:
1268         case LFUN_SUBSCRIPT:
1269                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1270                 break;
1271         case LFUN_SUPERSCRIPT:
1272                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1273                 break;
1274
1275         case LFUN_INSERT_MATH:
1276         case LFUN_INSERT_MATRIX:
1277         case LFUN_MATH_DELIM: {
1278                 cur.insert(new MathHullInset("simple"));
1279                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1280                 cur.dispatch(cmd);
1281                 break;
1282         }
1283
1284         case LFUN_EMPH: {
1285                 LyXFont font(LyXFont::ALL_IGNORE);
1286                 font.setEmph(LyXFont::TOGGLE);
1287                 toggleAndShow(cur, this, font);
1288                 break;
1289         }
1290
1291         case LFUN_BOLD: {
1292                 LyXFont font(LyXFont::ALL_IGNORE);
1293                 font.setSeries(LyXFont::BOLD_SERIES);
1294                 toggleAndShow(cur, this, font);
1295                 break;
1296         }
1297
1298         case LFUN_NOUN: {
1299                 LyXFont font(LyXFont::ALL_IGNORE);
1300                 font.setNoun(LyXFont::TOGGLE);
1301                 toggleAndShow(cur, this, font);
1302                 break;
1303         }
1304
1305         case LFUN_CODE: {
1306                 LyXFont font(LyXFont::ALL_IGNORE);
1307                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1308                 toggleAndShow(cur, this, font);
1309                 break;
1310         }
1311
1312         case LFUN_SANS: {
1313                 LyXFont font(LyXFont::ALL_IGNORE);
1314                 font.setFamily(LyXFont::SANS_FAMILY);
1315                 toggleAndShow(cur, this, font);
1316                 break;
1317         }
1318
1319         case LFUN_ROMAN: {
1320                 LyXFont font(LyXFont::ALL_IGNORE);
1321                 font.setFamily(LyXFont::ROMAN_FAMILY);
1322                 toggleAndShow(cur, this, font);
1323                 break;
1324         }
1325
1326         case LFUN_DEFAULT: {
1327                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1328                 toggleAndShow(cur, this, font);
1329                 break;
1330         }
1331
1332         case LFUN_UNDERLINE: {
1333                 LyXFont font(LyXFont::ALL_IGNORE);
1334                 font.setUnderbar(LyXFont::TOGGLE);
1335                 toggleAndShow(cur, this, font);
1336                 break;
1337         }
1338
1339         case LFUN_FONT_SIZE: {
1340                 LyXFont font(LyXFont::ALL_IGNORE);
1341                 font.setLyXSize(cmd.argument);
1342                 toggleAndShow(cur, this, font);
1343                 break;
1344         }
1345
1346         case LFUN_LANGUAGE: {
1347                 Language const * lang = languages.getLanguage(cmd.argument);
1348                 if (!lang)
1349                         break;
1350                 LyXFont font(LyXFont::ALL_IGNORE);
1351                 font.setLanguage(lang);
1352                 toggleAndShow(cur, this, font);
1353                 bv->switchKeyMap();
1354                 break;
1355         }
1356
1357         case LFUN_FREEFONT_APPLY:
1358                 toggleAndShow(cur, this, freefont, toggleall);
1359                 cur.message(_("Character set"));
1360                 break;
1361
1362         // Set the freefont using the contents of \param data dispatched from
1363         // the frontends and apply it at the current cursor location.
1364         case LFUN_FREEFONT_UPDATE: {
1365                 LyXFont font;
1366                 bool toggle;
1367                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1368                         freefont = font;
1369                         toggleall = toggle;
1370                         toggleAndShow(cur, this, freefont, toggleall);
1371                         cur.message(_("Character set"));
1372                 }
1373                 break;
1374         }
1375
1376         case LFUN_FINISHED_LEFT:
1377                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1378                 break;
1379
1380         case LFUN_FINISHED_RIGHT:
1381                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1382                 ++cur.pos();
1383                 break;
1384
1385         case LFUN_FINISHED_UP:
1386                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1387                 cursorUp(cur);
1388                 break;
1389
1390         case LFUN_FINISHED_DOWN:
1391                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1392                 cursorDown(cur);
1393                 break;
1394
1395         case LFUN_LAYOUT_PARAGRAPH: {
1396                 string data;
1397                 params2string(cur.paragraph(), data);
1398                 data = "show\n" + data;
1399                 bv->owner()->getDialogs().show("paragraph", data);
1400                 break;
1401         }
1402
1403         case LFUN_PARAGRAPH_UPDATE: {
1404                 if (!bv->owner()->getDialogs().visible("paragraph"))
1405                         break;
1406                 string data;
1407                 params2string(cur.paragraph(), data);
1408
1409                 // Will the paragraph accept changes from the dialog?
1410                 InsetBase & inset = cur.inset();
1411                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1412
1413                 data = "update " + convert<string>(accept) + '\n' + data;
1414                 bv->owner()->getDialogs().update("paragraph", data);
1415                 break;
1416         }
1417
1418         case LFUN_UMLAUT:
1419         case LFUN_CIRCUMFLEX:
1420         case LFUN_GRAVE:
1421         case LFUN_ACUTE:
1422         case LFUN_TILDE:
1423         case LFUN_CEDILLA:
1424         case LFUN_MACRON:
1425         case LFUN_DOT:
1426         case LFUN_UNDERDOT:
1427         case LFUN_UNDERBAR:
1428         case LFUN_CARON:
1429         case LFUN_SPECIAL_CARON:
1430         case LFUN_BREVE:
1431         case LFUN_TIE:
1432         case LFUN_HUNG_UMLAUT:
1433         case LFUN_CIRCLE:
1434         case LFUN_OGONEK:
1435                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1436                 if (!cmd.argument.empty())
1437                         bv->owner()->getIntl().getTransManager()
1438                                 .TranslateAndInsert(cmd.argument[0], this);
1439                 break;
1440
1441         case LFUN_FLOAT_LIST: {
1442                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1443                 if (tclass.floats().typeExist(cmd.argument)) {
1444                         // not quite sure if we want this...
1445                         recordUndo(cur);
1446                         cur.clearSelection();
1447                         breakParagraph(cur);
1448
1449                         if (cur.lastpos() != 0) {
1450                                 cursorLeft(cur);
1451                                 breakParagraph(cur);
1452                         }
1453
1454                         setLayout(cur, tclass.defaultLayoutName());
1455                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1456                         insertInset(cur, new InsetFloatList(cmd.argument));
1457                         cur.posRight();
1458                 } else {
1459                         lyxerr << "Non-existent float type: "
1460                                << cmd.argument << endl;
1461                 }
1462                 break;
1463         }
1464
1465         case LFUN_ACCEPT_CHANGE: {
1466                 acceptChange(cur);
1467                 break;
1468         }
1469
1470         case LFUN_REJECT_CHANGE: {
1471                 rejectChange(cur);
1472                 break;
1473         }
1474
1475         case LFUN_THESAURUS_ENTRY: {
1476                 string arg = cmd.argument;
1477                 if (arg.empty()) {
1478                         arg = cur.selectionAsString(false);
1479                         // FIXME
1480                         if (arg.size() > 100 || arg.empty()) {
1481                                 // Get word or selection
1482                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1483                                 arg = cur.selectionAsString(false);
1484                         }
1485                 }
1486                 bv->owner()->getDialogs().show("thesaurus", arg);
1487                 break;
1488         }
1489
1490         case LFUN_PARAGRAPH_APPLY: {
1491                 // Given data, an encoding of the ParagraphParameters
1492                 // generated in the Paragraph dialog, this function sets
1493                 // the current paragraph appropriately.
1494                 istringstream is(cmd.argument);
1495                 LyXLex lex(0, 0);
1496                 lex.setStream(is);
1497                 ParagraphParameters params;
1498                 params.read(lex);
1499                 setParagraph(cur,
1500                                          params.spacing(),
1501                                          params.align(),
1502                                          params.labelWidthString(),
1503                                          params.noindent());
1504                 cur.message(_("Paragraph layout set"));
1505                 break;
1506         }
1507
1508         case LFUN_INSET_DIALOG_SHOW: {
1509                 InsetBase * inset = cur.nextInset();
1510                 if (inset) {
1511                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1512                         inset->dispatch(cur, fr);
1513                 }
1514                 break;
1515         }
1516
1517         case LFUN_ESCAPE:
1518                 if (cur.selection()) {
1519                         cur.selection() = false;
1520                 } else {
1521                         cur.undispatched();
1522                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1523                 }
1524                 break;
1525
1526         default:
1527                 lyxerr[Debug::ACTION]
1528                         << BOOST_CURRENT_FUNCTION
1529                         << ": Command " << cmd
1530                         << " not DISPATCHED by LyXText" << endl;
1531                 cur.undispatched();
1532                 break;
1533         }
1534
1535         if (singleParUpdate)
1536                 // Inserting characters does not change par height
1537                 if (cur.paragraph().dim().asc == olddim.asc
1538                  && cur.paragraph().dim().des == olddim.des) {
1539                         // if so, update _only_ this paragraph
1540                         cur.bv().update(Update::SinglePar | Update::Force);
1541                 } else
1542                         needsUpdate = true;
1543         if (!needsUpdate
1544             && &oldTopSlice.inset() == &cur.inset()
1545             && oldTopSlice.idx() == cur.idx()
1546             && !sel
1547             && !cur.selection())
1548                 cur.noUpdate();
1549         else
1550                 cur.needsUpdate();
1551 }
1552
1553
1554 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1555                         FuncStatus & flag) const
1556 {
1557         BOOST_ASSERT(cur.text() == this);
1558         LyXFont const & font = real_current_font;
1559         bool enable = true;
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_INSET_OPTARG:
1572                 enable = numberOfOptArgs(cur.paragraph())
1573                         < cur.paragraph().layout()->optionalargs;
1574                 break;
1575
1576         case LFUN_APPENDIX:
1577                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1578                 return true;
1579
1580         case LFUN_INSERT_BIBITEM:
1581                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1582                 break;
1583
1584 #if 0
1585         // the functions which insert insets
1586         InsetBase::Code code = InsetBase::NO_CODE;
1587         switch (cmd.action) {
1588         case LFUN_DIALOG_SHOW_NEW_INSET:
1589                 if (cmd.argument == "bibitem")
1590                         code = InsetBase::BIBITEM_CODE;
1591                 else if (cmd.argument == "bibtex")
1592                         code = InsetBase::BIBTEX_CODE;
1593                 else if (cmd.argument == "box")
1594                         code = InsetBase::BOX_CODE;
1595                 else if (cmd.argument == "branch")
1596                         code = InsetBase::BRANCH_CODE;
1597                 else if (cmd.argument == "citation")
1598                         code = InsetBase::CITE_CODE;
1599                 else if (cmd.argument == "ert")
1600                         code = InsetBase::ERT_CODE;
1601                 else if (cmd.argument == "external")
1602                         code = InsetBase::EXTERNAL_CODE;
1603                 else if (cmd.argument == "float")
1604                         code = InsetBase::FLOAT_CODE;
1605                 else if (cmd.argument == "graphics")
1606                         code = InsetBase::GRAPHICS_CODE;
1607                 else if (cmd.argument == "include")
1608                         code = InsetBase::INCLUDE_CODE;
1609                 else if (cmd.argument == "index")
1610                         code = InsetBase::INDEX_CODE;
1611                 else if (cmd.argument == "label")
1612                         code = InsetBase::LABEL_CODE;
1613                 else if (cmd.argument == "note")
1614                         code = InsetBase::NOTE_CODE;
1615                 else if (cmd.argument == "ref")
1616                         code = InsetBase::REF_CODE;
1617                 else if (cmd.argument == "toc")
1618                         code = InsetBase::TOC_CODE;
1619                 else if (cmd.argument == "url")
1620                         code = InsetBase::URL_CODE;
1621                 else if (cmd.argument == "vspace")
1622                         code = InsetBase::VSPACE_CODE;
1623                 else if (cmd.argument == "wrap")
1624                         code = InsetBase::WRAP_CODE;
1625                 break;
1626
1627         case LFUN_INSET_ERT:
1628                 code = InsetBase::ERT_CODE;
1629                 break;
1630         case LFUN_INSET_FOOTNOTE:
1631                 code = InsetBase::FOOT_CODE;
1632                 break;
1633         case LFUN_TABULAR_INSERT:
1634                 code = InsetBase::TABULAR_CODE;
1635                 break;
1636         case LFUN_INSET_MARGINAL:
1637                 code = InsetBase::MARGIN_CODE;
1638                 break;
1639         case LFUN_INSET_FLOAT:
1640         case LFUN_INSET_WIDE_FLOAT:
1641                 code = InsetBase::FLOAT_CODE;
1642                 break;
1643         case LFUN_INSET_WRAP:
1644                 code = InsetBase::WRAP_CODE;
1645                 break;
1646         case LFUN_FLOAT_LIST:
1647                 code = InsetBase::FLOAT_LIST_CODE;
1648                 break;
1649 #if 0
1650         case LFUN_INSET_LIST:
1651                 code = InsetBase::LIST_CODE;
1652                 break;
1653         case LFUN_INSET_THEOREM:
1654                 code = InsetBase::THEOREM_CODE;
1655                 break;
1656 #endif
1657         case LFUN_INSET_CAPTION:
1658                 code = InsetBase::CAPTION_CODE;
1659                 break;
1660         case LFUN_INSERT_NOTE:
1661                 code = InsetBase::NOTE_CODE;
1662                 break;
1663         case LFUN_INSERT_CHARSTYLE:
1664                 code = InsetBase::CHARSTYLE_CODE;
1665                 if (buf->params().getLyXTextClass().charstyles().empty())
1666                         enable = false;
1667                 break;
1668         case LFUN_INSERT_BOX:
1669                 code = InsetBase::BOX_CODE;
1670                 break;
1671         case LFUN_INSERT_BRANCH:
1672                 code = InsetBase::BRANCH_CODE;
1673                 if (buf->params().branchlist().empty())
1674                         enable = false;
1675                 break;
1676         case LFUN_INSERT_LABEL:
1677                 code = InsetBase::LABEL_CODE;
1678                 break;
1679         case LFUN_INSET_OPTARG:
1680                 code = InsetBase::OPTARG_CODE;
1681                 break;
1682         case LFUN_ENVIRONMENT_INSERT:
1683                 code = InsetBase::BOX_CODE;
1684                 break;
1685         case LFUN_INDEX_INSERT:
1686                 code = InsetBase::INDEX_CODE;
1687                 break;
1688         case LFUN_INDEX_PRINT:
1689                 code = InsetBase::INDEX_PRINT_CODE;
1690                 break;
1691         case LFUN_TOC_INSERT:
1692                 code = InsetBase::TOC_CODE;
1693                 break;
1694         case LFUN_HTMLURL:
1695         case LFUN_URL:
1696                 code = InsetBase::URL_CODE;
1697                 break;
1698         case LFUN_QUOTE:
1699                 // always allow this, since we will inset a raw quote
1700                 // if an inset is not allowed.
1701                 break;
1702         case LFUN_HYPHENATION:
1703         case LFUN_LIGATURE_BREAK:
1704         case LFUN_HFILL:
1705         case LFUN_MENU_SEPARATOR:
1706         case LFUN_LDOTS:
1707         case LFUN_END_OF_SENTENCE:
1708                 code = InsetBase::SPECIALCHAR_CODE;
1709                 break;
1710         case LFUN_SPACE_INSERT:
1711                 // slight hack: we know this is allowed in math mode
1712                 if (cur.inTexted())
1713                         code = InsetBase::SPACE_CODE;
1714                 break;
1715         case LFUN_INSET_DIALOG_SHOW: {
1716                 InsetBase * inset = cur.nextInset();
1717                 enable = inset;
1718                 if (inset) {
1719                         code = inset->lyxCode();
1720                         if (!(code == InsetBase::INCLUDE_CODE
1721                                 || code == InsetBase::BIBTEX_CODE
1722                                 || code == InsetBase::FLOAT_LIST_CODE
1723                                 || code == InsetBase::TOC_CODE))
1724                                 enable = false;
1725                 }
1726                 break;
1727         }
1728         default:
1729                 break;
1730         }
1731
1732         if (code != InsetBase::NO_CODE
1733                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1734                 enable = false;
1735
1736 #endif
1737
1738         case LFUN_DIALOG_SHOW_NEW_INSET:
1739         case LFUN_INSET_ERT:
1740         case LFUN_INSERT_BOX:
1741         case LFUN_INSERT_BRANCH:
1742         case LFUN_ENVIRONMENT_INSERT:
1743         case LFUN_INDEX_INSERT:
1744         case LFUN_INDEX_PRINT:
1745         case LFUN_TOC_INSERT:
1746         case LFUN_HTMLURL:
1747         case LFUN_URL:
1748         case LFUN_QUOTE:
1749         case LFUN_HYPHENATION:
1750         case LFUN_LIGATURE_BREAK:
1751         case LFUN_HFILL:
1752         case LFUN_MENU_SEPARATOR:
1753         case LFUN_LDOTS:
1754         case LFUN_END_OF_SENTENCE:
1755         case LFUN_SPACE_INSERT:
1756         case LFUN_INSET_DIALOG_SHOW:
1757                 break;
1758
1759         case LFUN_INSET_MODIFY:
1760                 // We need to disable this, because we may get called for a
1761                 // tabular cell via
1762                 // InsetTabular::getStatus() -> InsetText::getStatus()
1763                 // and we don't handle LFUN_INSET_MODIFY.
1764                 enable = false;
1765                 break;
1766
1767         case LFUN_EMPH:
1768                 flag.setOnOff(font.emph() == LyXFont::ON);
1769                 return true;
1770
1771         case LFUN_NOUN:
1772                 flag.setOnOff(font.noun() == LyXFont::ON);
1773                 return true;
1774
1775         case LFUN_BOLD:
1776                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1777                 return true;
1778
1779         case LFUN_SANS:
1780                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1781                 return true;
1782
1783         case LFUN_ROMAN:
1784                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1785                 return true;
1786
1787         case LFUN_CODE:
1788                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1789                 return true;
1790
1791         case LFUN_DELETE_WORD_FORWARD:
1792         case LFUN_DELETE_WORD_BACKWARD:
1793         case LFUN_DELETE_LINE_FORWARD:
1794         case LFUN_WORDRIGHT:
1795         case LFUN_WORDLEFT:
1796         case LFUN_RIGHT:
1797         case LFUN_RIGHTSEL:
1798         case LFUN_LEFT:
1799         case LFUN_LEFTSEL:
1800         case LFUN_UP:
1801         case LFUN_UPSEL:
1802         case LFUN_DOWN:
1803         case LFUN_DOWNSEL:
1804         case LFUN_UP_PARAGRAPHSEL:
1805         case LFUN_DOWN_PARAGRAPHSEL:
1806         case LFUN_PRIORSEL:
1807         case LFUN_NEXTSEL:
1808         case LFUN_HOMESEL:
1809         case LFUN_ENDSEL:
1810         case LFUN_WORDRIGHTSEL:
1811         case LFUN_WORDLEFTSEL:
1812         case LFUN_WORDSEL:
1813         case LFUN_UP_PARAGRAPH:
1814         case LFUN_DOWN_PARAGRAPH:
1815         case LFUN_PRIOR:
1816         case LFUN_NEXT:
1817         case LFUN_HOME:
1818         case LFUN_END:
1819         case LFUN_BREAKLINE:
1820         case LFUN_DELETE:
1821         case LFUN_DELETE_SKIP:
1822         case LFUN_BACKSPACE:
1823         case LFUN_BACKSPACE_SKIP:
1824         case LFUN_BREAKPARAGRAPH:
1825         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1826         case LFUN_BREAKPARAGRAPH_SKIP:
1827         case LFUN_PARAGRAPH_SPACING:
1828         case LFUN_INSET_INSERT:
1829         case LFUN_NEXT_INSET_TOGGLE:
1830         case LFUN_UPCASE_WORD:
1831         case LFUN_LOWCASE_WORD:
1832         case LFUN_CAPITALIZE_WORD:
1833         case LFUN_TRANSPOSE_CHARS:
1834         case LFUN_PASTE:
1835         case LFUN_CUT:
1836         case LFUN_COPY:
1837         case LFUN_GETXY:
1838         case LFUN_SETXY:
1839         case LFUN_GETFONT:
1840         case LFUN_GETLAYOUT:
1841         case LFUN_LAYOUT:
1842         case LFUN_PASTESELECTION:
1843         case LFUN_DATE_INSERT:
1844         case LFUN_SELFINSERT:
1845         case LFUN_INSERT_LABEL:
1846         case LFUN_INSERT_NOTE:
1847         case LFUN_INSERT_CHARSTYLE:
1848         case LFUN_INSET_FLOAT:
1849         case LFUN_INSET_FOOTNOTE:
1850         case LFUN_INSET_MARGINAL:
1851         case LFUN_INSET_WIDE_FLOAT:
1852         case LFUN_INSET_WRAP:
1853         case LFUN_TABULAR_INSERT:
1854         case LFUN_INSERT_LINE:
1855         case LFUN_INSERT_PAGEBREAK:
1856         case LFUN_MATH_DISPLAY:
1857         case LFUN_MATH_IMPORT_SELECTION:
1858         case LFUN_MATH_MODE:
1859         case LFUN_MATH_MACRO:
1860         case LFUN_INSERT_MATH:
1861         case LFUN_INSERT_MATRIX:
1862         case LFUN_MATH_DELIM:
1863         case LFUN_SUBSCRIPT:
1864         case LFUN_SUPERSCRIPT:
1865         case LFUN_DEFAULT:
1866         case LFUN_UNDERLINE:
1867         case LFUN_FONT_SIZE:
1868         case LFUN_LANGUAGE:
1869         case LFUN_FREEFONT_APPLY:
1870         case LFUN_FREEFONT_UPDATE:
1871         case LFUN_LAYOUT_PARAGRAPH:
1872         case LFUN_PARAGRAPH_UPDATE:
1873         case LFUN_UMLAUT:
1874         case LFUN_CIRCUMFLEX:
1875         case LFUN_GRAVE:
1876         case LFUN_ACUTE:
1877         case LFUN_TILDE:
1878         case LFUN_CEDILLA:
1879         case LFUN_MACRON:
1880         case LFUN_DOT:
1881         case LFUN_UNDERDOT:
1882         case LFUN_UNDERBAR:
1883         case LFUN_CARON:
1884         case LFUN_SPECIAL_CARON:
1885         case LFUN_BREVE:
1886         case LFUN_TIE:
1887         case LFUN_HUNG_UMLAUT:
1888         case LFUN_CIRCLE:
1889         case LFUN_OGONEK:
1890         case LFUN_FLOAT_LIST:
1891         case LFUN_ACCEPT_CHANGE:
1892         case LFUN_REJECT_CHANGE:
1893         case LFUN_THESAURUS_ENTRY:
1894         case LFUN_PARAGRAPH_APPLY:
1895         case LFUN_ESCAPE:
1896         case LFUN_KEYMAP_TOGGLE:
1897         case LFUN_ENDBUF:
1898         case LFUN_BEGINNINGBUF:
1899         case LFUN_BEGINNINGBUFSEL:
1900         case LFUN_ENDBUFSEL:
1901                 // these are handled in our dispatch()
1902                 enable = true;
1903                 break;
1904
1905         default:
1906                 return false;
1907         }
1908         flag.enabled(enable);
1909         return true;
1910 }