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);
 140                         BOOST_ASSERT(old_pos == cur.pos());
 141                         cur.nextInset()->edit(cur, true);
 142                         cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 143                         // don't do that also for LFUN_MATH_MODE
 144                         // unless you want end up with always changing
 145                         // to mathrm when opening an inlined inset --
 146                         // I really hate "LyXfunc overloading"...
 147                         if (display)
 148                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 149                         cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
 150                 } else {
 151                         // create a macro if we see "\\newcommand"
 152                         // somewhere, and an ordinary formula
 153                         // otherwise
 154                         cutSelection(cur, true, true);
 155                         if (sel.find("\\newcommand") == string::npos
 156                             && sel.find("\\def") == string::npos)
 157                         {
 158                                 cur.insert(new MathHullInset);
 159                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 160                                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 161                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 162                         } else {
 163                                 istringstream is(sel);
 164                                 cur.insert(new MathMacroTemplate(is));
 165                         }
 166                 }
 167                 cur.message(N_("Math editor mode"));
 168         }
 169
 170 } // namespace anon
 171
 172
 173
 174 namespace bv_funcs {
 175
 176 string const freefont2string()
 177 {
 178         string data;
 179         if (font2string(freefont, toggleall, data))
 180                 return data;
 181         return string();
 182 }
 183
 184 }
 185
 186 bool LyXText::cursorPrevious(LCursor & cur)
 187 {
 188         pos_type cpos = cur.pos();
 189         lyx::pit_type cpar = cur.pit();
 190
 191         int x = cur.x_target();
 192
 193         setCursorFromCoordinates(cur, x, 0);
 194         bool updated = cursorUp(cur);
 195
 196         if (cpar == cur.pit() && cpos == cur.pos()) {
 197                 // we have a row which is taller than the workarea. The
 198                 // simplest solution is to move to the previous row instead.
 199                 updated |= cursorUp(cur);
 200         }
 201
 202         cur.bv().updateScrollbar();
 203         finishUndo();
 204         return updated;
 205 }
 206
 207
 208 bool LyXText::cursorNext(LCursor & cur)
 209 {
 210         pos_type cpos = cur.pos();
 211         lyx::pit_type cpar = cur.pit();
 212
 213         int x = cur.x_target();
 214         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 215         bool updated = cursorDown(cur);
 216
 217         if (cpar == cur.pit() && cpos == cur.pos()) {
 218                 // we have a row which is taller than the workarea. The
 219                 // simplest solution is to move to the next row instead.
 220                 updated |= cursorDown(cur);
 221         }
 222
 223         cur.bv().updateScrollbar();
 224         finishUndo();
 225         return updated;
 226 }
 227
 228
 229 namespace {
 230
 231 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 232 {
 233         lyx::cap::replaceSelection(cur);
 234         cur.insert(new InsetSpecialChar(kind));
 235         cur.posRight();
 236 }
 237
 238
 239 bool doInsertInset(LCursor & cur, LyXText * text,
 240         FuncRequest const & cmd, bool edit, bool pastesel)
 241 {
 242         InsetBase * inset = createInset(&cur.bv(), cmd);
 243         if (!inset)
 244                 return false;
 245
 246         recordUndo(cur);
 247         bool gotsel = false;
 248         if (cur.selection()) {
 249                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 250                 gotsel = true;
 251         }
 252         text->insertInset(cur, inset);
 253
 254         if (edit)
 255                 inset->edit(cur, true);
 256
 257         if (gotsel && pastesel)
 258                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 259         return true;
 260 }
 261
 262
 263 void update(LCursor & cur)
 264 {
 265         //we don't call update(true, false) directly to save a metrics call
 266         if (cur.bv().fitCursor())
 267                 cur.bv().update(Update::Force);
 268 }
 269
 270
 271 } // anon namespace
 272
 273
 274 void LyXText::number(LCursor & cur)
 275 {
 276         LyXFont font(LyXFont::ALL_IGNORE);
 277         font.setNumber(LyXFont::TOGGLE);
 278         toggleAndShow(cur, this, font);
 279 }
 280
 281
 282 bool LyXText::isRTL(Paragraph const & par) const
 283 {
 284         return par.isRightToLeftPar(bv()->buffer()->params());
 285 }
 286
 287
 288 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 289 {
 290         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 291
 292         BOOST_ASSERT(cur.text() == this);
 293         BufferView * bv = &cur.bv();
 294         CursorSlice oldTopSlice = cur.top();
 295         bool oldBoundary = cur.boundary();
 296         bool sel = cur.selection();
 297         bool needsUpdate = !lyxaction.funcHasFlag(cmd.action, LyXAction::NoUpdate);
 298
 299         switch (cmd.action) {
 300
 301         case LFUN_APPENDIX: {
 302                 Paragraph & par = cur.paragraph();
 303                 bool start = !par.params().startOfAppendix();
 304
 305 #ifdef WITH_WARNINGS
 306 #warning The code below only makes sense at top level.
 307 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 308 #endif
 309                 // ensure that we have only one start_of_appendix in this document
 310                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 311                         if (pars_[tmp].params().startOfAppendix()) {
 312                                 recUndo(tmp);
 313                                 pars_[tmp].params().startOfAppendix(false);
 314                                 break;
 315                         }
 316                 }
 317
 318                 recordUndo(cur);
 319                 par.params().startOfAppendix(start);
 320
 321                 // we can set the refreshing parameters now
 322                 updateCounters(cur.buffer());
 323                 break;
 324         }
 325
 326         case LFUN_DELETE_WORD_FORWARD:
 327                 cur.clearSelection();
 328                 deleteWordForward(cur);
 329                 finishChange(cur, false);
 330                 break;
 331
 332         case LFUN_DELETE_WORD_BACKWARD:
 333                 cur.clearSelection();
 334                 deleteWordBackward(cur);
 335                 finishChange(cur, false);
 336                 break;
 337
 338         case LFUN_DELETE_LINE_FORWARD:
 339                 cur.clearSelection();
 340                 deleteLineForward(cur);
 341                 finishChange(cur, false);
 342                 break;
 343
 344         case LFUN_WORDRIGHT:
 345                 if (!cur.mark())
 346                         cur.clearSelection();
 347                 if (isRTL(cur.paragraph()))
 348                         needsUpdate = cursorLeftOneWord(cur);
 349                 else
 350                         needsUpdate = cursorRightOneWord(cur);
 351                 finishChange(cur, false);
 352                 break;
 353
 354         case LFUN_WORDLEFT:
 355                 if (!cur.mark())
 356                         cur.clearSelection();
 357                 if (isRTL(cur.paragraph()))
 358                         needsUpdate = cursorRightOneWord(cur);
 359                 else
 360                         needsUpdate = cursorLeftOneWord(cur);
 361                 finishChange(cur, false);
 362                 break;
 363
 364         case LFUN_BEGINNINGBUF:
 365                 if (cur.depth() == 1) {
 366                         if (!cur.mark())
 367                                 cur.clearSelection();
 368                         cursorTop(cur);
 369                         finishChange(cur, false);
 370                 } else {
 371                         cur.undispatched();
 372                 }
 373                 break;
 374
 375         case LFUN_BEGINNINGBUFSEL:
 376                 if (cur.depth() == 1) {
 377                         if (!cur.selection())
 378                                 cur.resetAnchor();
 379                         cursorTop(cur);
 380                         finishChange(cur, true);
 381                 } else {
 382                         cur.undispatched();
 383                 }
 384                 break;
 385
 386         case LFUN_ENDBUF:
 387                 if (cur.depth() == 1) {
 388                         if (!cur.mark())
 389                                 cur.clearSelection();
 390                         cursorBottom(cur);
 391                         finishChange(cur, false);
 392                 } else {
 393                         cur.undispatched();
 394                 }
 395                 break;
 396
 397         case LFUN_ENDBUFSEL:
 398                 if (cur.depth() == 1) {
 399                         if (!cur.selection())
 400                                 cur.resetAnchor();
 401                         cursorBottom(cur);
 402                         finishChange(cur, true);
 403                 } else {
 404                         cur.undispatched();
 405                 }
 406                 break;
 407
 408         case LFUN_RIGHT:
 409         case LFUN_RIGHTSEL:
 410                 //lyxerr << BOOST_CURRENT_FUNCTION
 411                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 412                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 413                 if (isRTL(cur.paragraph()))
 414                         needsUpdate = cursorLeft(cur);
 415                 else
 416                         needsUpdate = cursorRight(cur);
 417
 418                 if (!needsUpdate && oldTopSlice == cur.top()
 419                                 && cur.boundary() == oldBoundary) {
 420                         cur.undispatched();
 421                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 422                 }
 423                 break;
 424
 425         case LFUN_LEFT:
 426         case LFUN_LEFTSEL:
 427                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 428                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 429                 if (isRTL(cur.paragraph()))
 430                         needsUpdate = cursorRight(cur);
 431                 else
 432                         needsUpdate = cursorLeft(cur);
 433
 434                 if (!needsUpdate && oldTopSlice == cur.top()
 435                         && cur.boundary() == oldBoundary) {
 436                         cur.undispatched();
 437                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 438                 }
 439                 break;
 440
 441         case LFUN_UP:
 442         case LFUN_UPSEL:
 443                 update(cur);
 444                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 445                 cur.selHandle(cmd.action == LFUN_UPSEL);
 446
 447                 needsUpdate = cursorUp(cur);
 448                 if (!needsUpdate && oldTopSlice == cur.top()
 449                           && cur.boundary() == oldBoundary) {
 450                         cur.undispatched();
 451                         cmd = FuncRequest(LFUN_FINISHED_UP);
 452                 }
 453                 break;
 454
 455         case LFUN_DOWN:
 456         case LFUN_DOWNSEL:
 457                 update(cur);
 458                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 459                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 460                 needsUpdate = cursorDown(cur);
 461                 if (!needsUpdate && oldTopSlice == cur.top() &&
 462                     cur.boundary() == oldBoundary)
 463                 {
 464                         cur.undispatched();
 465                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 466                 }
 467                 break;
 468
 469         case LFUN_UP_PARAGRAPH:
 470                 if (!cur.mark())
 471                         cur.clearSelection();
 472                 needsUpdate = cursorUpParagraph(cur);
 473                 finishChange(cur, false);
 474                 break;
 475
 476         case LFUN_UP_PARAGRAPHSEL:
 477                 if (!cur.selection())
 478                         cur.resetAnchor();
 479                 cursorUpParagraph(cur);
 480                 finishChange(cur, true);
 481                 break;
 482
 483         case LFUN_DOWN_PARAGRAPH:
 484                 if (!cur.mark())
 485                         cur.clearSelection();
 486                 needsUpdate = cursorDownParagraph(cur);
 487                 finishChange(cur, false);
 488                 break;
 489
 490         case LFUN_DOWN_PARAGRAPHSEL:
 491                 if (!cur.selection())
 492                         cur.resetAnchor();
 493                 cursorDownParagraph(cur);
 494                 finishChange(cur, true);
 495                 break;
 496
 497         case LFUN_PRIORSEL:
 498                 update(cur);
 499                 if (!cur.selection())
 500                         cur.resetAnchor();
 501                 cursorPrevious(cur);
 502                 finishChange(cur, true);
 503                 break;
 504
 505         case LFUN_NEXTSEL:
 506                 update(cur);
 507                 if (!cur.selection())
 508                         cur.resetAnchor();
 509                 cursorNext(cur);
 510                 finishChange(cur, true);
 511                 break;
 512
 513         case LFUN_HOMESEL:
 514                 update(cur);
 515                 if (!cur.selection())
 516                         cur.resetAnchor();
 517                 cursorHome(cur);
 518                 finishChange(cur, true);
 519                 break;
 520
 521         case LFUN_ENDSEL:
 522                 update(cur);
 523                 if (!cur.selection())
 524                         cur.resetAnchor();
 525                 cursorEnd(cur);
 526                 finishChange(cur, true);
 527                 break;
 528
 529         case LFUN_WORDRIGHTSEL:
 530                 if (!cur.selection())
 531                         cur.resetAnchor();
 532                 if (isRTL(cur.paragraph()))
 533                         cursorLeftOneWord(cur);
 534                 else
 535                         cursorRightOneWord(cur);
 536                 finishChange(cur, true);
 537                 break;
 538
 539         case LFUN_WORDLEFTSEL:
 540                 if (!cur.selection())
 541                         cur.resetAnchor();
 542                 if (isRTL(cur.paragraph()))
 543                         cursorRightOneWord(cur);
 544                 else
 545                         cursorLeftOneWord(cur);
 546                 finishChange(cur, true);
 547                 break;
 548
 549         case LFUN_WORDSEL: {
 550                 selectWord(cur, lyx::WHOLE_WORD);
 551                 finishChange(cur, true);
 552                 break;
 553         }
 554
 555         case LFUN_PRIOR:
 556                 update(cur);
 557                 if (!cur.mark())
 558                         cur.clearSelection();
 559                 finishChange(cur, false);
 560                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 561                         cur.undispatched();
 562                         cmd = FuncRequest(LFUN_FINISHED_UP);
 563                 } else {
 564                         needsUpdate = cursorPrevious(cur);
 565                 }
 566                 break;
 567
 568         case LFUN_NEXT:
 569                 update(cur);
 570                 if (!cur.mark())
 571                         cur.clearSelection();
 572                 finishChange(cur, false);
 573                 if (cur.pit() == cur.lastpit()
 574                           && cur.textRow().endpos() == cur.lastpos()) {
 575                         cur.undispatched();
 576                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 577                 } else {
 578                         needsUpdate = cursorNext(cur);
 579                 }
 580                 break;
 581
 582         case LFUN_HOME:
 583                 if (!cur.mark())
 584                         cur.clearSelection();
 585                 cursorHome(cur);
 586                 finishChange(cur, false);
 587                 break;
 588
 589         case LFUN_END:
 590                 if (!cur.mark())
 591                         cur.clearSelection();
 592                 cursorEnd(cur);
 593                 finishChange(cur, false);
 594                 break;
 595
 596         case LFUN_BREAKLINE: {
 597                 // Not allowed by LaTeX (labels or empty par)
 598                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 599                         lyx::cap::replaceSelection(cur);
 600                         cur.insert(new InsetNewline);
 601                         cur.posRight();
 602                         moveCursor(cur, false);
 603                 }
 604                 break;
 605         }
 606
 607         case LFUN_DELETE:
 608                 if (!cur.selection()) {
 609                         Delete(cur);
 610                         cur.resetAnchor();
 611                         // It is possible to make it a lot faster still
 612                         // just comment out the line below...
 613                 } else {
 614                         cutSelection(cur, true, false);
 615                 }
 616                 moveCursor(cur, false);
 617                 break;
 618
 619         case LFUN_DELETE_SKIP:
 620                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 621                 if (!cur.selection()) {
 622                         if (cur.pos() == cur.lastpos()) {
 623                                 cursorRight(cur);
 624                                 cursorLeft(cur);
 625                         }
 626                         Delete(cur);
 627                         cur.resetAnchor();
 628                 } else {
 629                         cutSelection(cur, true, false);
 630                 }
 631                 break;
 632
 633
 634         case LFUN_BACKSPACE:
 635                 if (!cur.selection()) {
 636                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 637                                 backspace(cur);
 638                                 cur.resetAnchor();
 639                                 // It is possible to make it a lot faster still
 640                                 // just comment out the line below...
 641                         }
 642                 } else {
 643                         cutSelection(cur, true, false);
 644                 }
 645                 bv->switchKeyMap();
 646                 break;
 647
 648         case LFUN_BACKSPACE_SKIP:
 649                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 650                 if (!cur.selection()) {
 651 #ifdef WITH_WARNINGS
 652 #warning look here
 653 #endif
 654                         //CursorSlice cur = cursor();
 655                         backspace(cur);
 656                         //anchor() = cur;
 657                 } else {
 658                         cutSelection(cur, true, false);
 659                 }
 660                 break;
 661
 662         case LFUN_BREAKPARAGRAPH:
 663                 lyx::cap::replaceSelection(cur);
 664                 breakParagraph(cur, 0);
 665                 cur.resetAnchor();
 666                 bv->switchKeyMap();
 667                 break;
 668
 669         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 670                 lyx::cap::replaceSelection(cur);
 671                 breakParagraph(cur, 1);
 672                 cur.resetAnchor();
 673                 bv->switchKeyMap();
 674                 break;
 675
 676         case LFUN_BREAKPARAGRAPH_SKIP: {
 677                 // When at the beginning of a paragraph, remove
 678                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 679                 lyx::cap::replaceSelection(cur);
 680                 if (cur.pos() == 0)
 681                         cur.paragraph().params().labelWidthString(string());
 682                 else
 683                         breakParagraph(cur, 0);
 684                 cur.resetAnchor();
 685                 bv->switchKeyMap();
 686                 break;
 687         }
 688
 689         case LFUN_PARAGRAPH_SPACING: {
 690                 Paragraph & par = cur.paragraph();
 691                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 692                 string cur_value = "1.0";
 693                 if (cur_spacing == Spacing::Other)
 694                         cur_value = par.params().spacing().getValueAsString();
 695
 696                 istringstream is(cmd.argument);
 697                 string tmp;
 698                 is >> tmp;
 699                 Spacing::Space new_spacing = cur_spacing;
 700                 string new_value = cur_value;
 701                 if (tmp.empty()) {
 702                         lyxerr << "Missing argument to `paragraph-spacing'"
 703                                << endl;
 704                 } else if (tmp == "single") {
 705                         new_spacing = Spacing::Single;
 706                 } else if (tmp == "onehalf") {
 707                         new_spacing = Spacing::Onehalf;
 708                 } else if (tmp == "double") {
 709                         new_spacing = Spacing::Double;
 710                 } else if (tmp == "other") {
 711                         new_spacing = Spacing::Other;
 712                         string tmpval = "0.0";
 713                         is >> tmpval;
 714                         lyxerr << "new_value = " << tmpval << endl;
 715                         if (tmpval != "0.0")
 716                                 new_value = tmpval;
 717                 } else if (tmp == "default") {
 718                         new_spacing = Spacing::Default;
 719                 } else {
 720                         lyxerr << _("Unknown spacing argument: ")
 721                                << cmd.argument << endl;
 722                 }
 723                 if (cur_spacing != new_spacing || cur_value != new_value)
 724                         par.params().spacing(Spacing(new_spacing, new_value));
 725                 break;
 726         }
 727
 728         case LFUN_INSET_INSERT: {
 729                 recordUndo(cur);
 730                 InsetBase * inset = createInset(bv, cmd);
 731                 if (inset) {
 732                         insertInset(cur, inset);
 733                         cur.posRight();
 734                 }
 735                 break;
 736         }
 737
 738         case LFUN_INSET_SETTINGS:
 739                 cur.inset().showInsetDialog(bv);
 740                 break;
 741
 742         case LFUN_NEXT_INSET_TOGGLE: {
 743                 InsetBase * inset = cur.nextInset();
 744                 if (inset) {
 745                         cur.clearSelection();
 746                         FuncRequest fr = cmd;
 747                         fr.action = LFUN_INSET_TOGGLE;
 748                         inset->dispatch(cur, fr);
 749                 }
 750                 break;
 751         }
 752
 753         case LFUN_KEYMAP_TOGGLE:
 754                 cur.clearSelection();
 755                 bv->switchKeyMap();
 756                 break;
 757
 758         case LFUN_SPACE_INSERT:
 759                 if (cur.paragraph().layout()->free_spacing)
 760                         insertChar(cur, ' ');
 761                 else {
 762                         doInsertInset(cur, this, cmd, false, false);
 763                         cur.posRight();
 764                 }
 765                 moveCursor(cur, false);
 766                 break;
 767
 768         case LFUN_HYPHENATION:
 769                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 770                 break;
 771
 772         case LFUN_LIGATURE_BREAK:
 773                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 774                 break;
 775
 776         case LFUN_LDOTS:
 777                 specialChar(cur, InsetSpecialChar::LDOTS);
 778                 break;
 779
 780         case LFUN_END_OF_SENTENCE:
 781                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 782                 break;
 783
 784         case LFUN_MENU_SEPARATOR:
 785                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 786                 break;
 787
 788         case LFUN_UPCASE_WORD:
 789                 changeCase(cur, LyXText::text_uppercase);
 790                 break;
 791
 792         case LFUN_LOWCASE_WORD:
 793                 changeCase(cur, LyXText::text_lowercase);
 794                 break;
 795
 796         case LFUN_CAPITALIZE_WORD:
 797                 changeCase(cur, LyXText::text_capitalization);
 798                 break;
 799
 800         case LFUN_TRANSPOSE_CHARS:
 801                 recordUndo(cur);
 802                 break;
 803
 804         case LFUN_PASTE:
 805                 cur.message(_("Paste"));
 806                 lyx::cap::replaceSelection(cur);
 807 #ifdef WITH_WARNINGS
 808 #warning FIXME Check if the arg is in the domain of available selections.
 809 #endif
 810                 if (isStrUnsignedInt(cmd.argument))
 811                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 812                 else
 813                         pasteSelection(cur, 0);
 814                 cur.clearSelection(); // bug 393
 815                 bv->switchKeyMap();
 816                 finishUndo();
 817                 break;
 818
 819         case LFUN_CUT:
 820                 cutSelection(cur, true, true);
 821                 cur.message(_("Cut"));
 822                 break;
 823
 824         case LFUN_COPY:
 825                 copySelection(cur);
 826                 cur.message(_("Copy"));
 827                 break;
 828
 829         case LFUN_GETXY:
 830                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 831                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 832                 break;
 833
 834         case LFUN_SETXY: {
 835                 int x = 0;
 836                 int y = 0;
 837                 istringstream is(cmd.argument);
 838                 is >> x >> y;
 839                 if (!is)
 840                         lyxerr << "SETXY: Could not parse coordinates in '"
 841                                << cmd.argument << std::endl;
 842                 else
 843                         setCursorFromCoordinates(cur, x, y);
 844                 break;
 845         }
 846
 847         case LFUN_GETFONT:
 848                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 849                         cur.message("E");
 850                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 851                         cur.message("N");
 852                 else
 853                         cur.message("0");
 854                 break;
 855
 856         case LFUN_GETLAYOUT:
 857                 cur.message(cur.paragraph().layout()->name());
 858                 break;
 859
 860         case LFUN_LAYOUT: {
 861                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 862                   << cmd.argument << endl;
 863
 864                 // This is not the good solution to the empty argument
 865                 // problem, but it will hopefully suffice for 1.2.0.
 866                 // The correct solution would be to augument the
 867                 // function list/array with information about what
 868                 // functions needs arguments and their type.
 869                 if (cmd.argument.empty()) {
 870                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 871                         break;
 872                 }
 873
 874                 // Derive layout number from given argument (string)
 875                 // and current buffer's textclass (number)
 876                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 877                 bool hasLayout = tclass.hasLayout(cmd.argument);
 878                 string layout = cmd.argument;
 879
 880                 // If the entry is obsolete, use the new one instead.
 881                 if (hasLayout) {
 882                         string const & obs = tclass[layout]->obsoleted_by();
 883                         if (!obs.empty())
 884                                 layout = obs;
 885                 }
 886
 887                 if (!hasLayout) {
 888                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 889                                 N_(" not known"));
 890                         break;
 891                 }
 892
 893                 bool change_layout = (current_layout != layout);
 894
 895                 if (!change_layout && cur.selection() &&
 896                         cur.selBegin().pit() != cur.selEnd().pit())
 897                 {
 898                         pit_type spit = cur.selBegin().pit();
 899                         pit_type epit = cur.selEnd().pit() + 1;
 900                         while (spit != epit) {
 901                                 if (pars_[spit].layout()->name() != current_layout) {
 902                                         change_layout = true;
 903                                         break;
 904                                 }
 905                                 ++spit;
 906                         }
 907                 }
 908
 909                 if (change_layout) {
 910                         current_layout = layout;
 911                         setLayout(cur, layout);
 912                         bv->owner()->setLayout(layout);
 913                         bv->switchKeyMap();
 914                 }
 915                 break;
 916         }
 917
 918         case LFUN_PASTESELECTION: {
 919                 cur.clearSelection();
 920                 string const clip = bv->getClipboard();
 921                 if (!clip.empty()) {
 922                         if (cmd.argument == "paragraph")
 923                                 insertStringAsParagraphs(cur, clip);
 924                         else
 925                                 insertStringAsLines(cur, clip);
 926                 }
 927                 break;
 928         }
 929
 930         case LFUN_QUOTE: {
 931                 lyx::cap::replaceSelection(cur);
 932                 Paragraph & par = cur.paragraph();
 933                 lyx::pos_type pos = cur.pos();
 934                 char c;
 935                 if (pos == 0)
 936                         c = ' ';
 937                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 938                         c = ' ';
 939                 else
 940                         c = par.getChar(pos - 1);
 941
 942                 LyXLayout_ptr const & style = par.layout();
 943
 944                 BufferParams const & bufparams = bv->buffer()->params();
 945                 if (!style->pass_thru
 946                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 947                         string arg = cmd.argument;
 948                         if (arg == "single")
 949                                 cur.insert(new InsetQuotes(c,
 950                                     bufparams.quotes_language,
 951                                     InsetQuotes::SingleQ));
 952                         else if (arg == "double")
 953                                 cur.insert(new InsetQuotes(c,
 954                                     bufparams.quotes_language,
 955                                     InsetQuotes::DoubleQ));
 956                         else
 957                                 cur.insert(new InsetQuotes(c, bufparams));
 958                         cur.posRight();
 959                 }
 960                 else
 961                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 962                 break;
 963         }
 964
 965         case LFUN_DATE_INSERT:
 966                 if (cmd.argument.empty())
 967                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 968                                 lyx::formatted_time(lyx::current_time())));
 969                 else
 970                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 971                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 972                 break;
 973
 974         case LFUN_MOUSE_TRIPLE:
 975                 if (cmd.button() == mouse_button::button1) {
 976                         cursorHome(cur);
 977                         cur.resetAnchor();
 978                         cursorEnd(cur);
 979                         cur.setSelection();
 980                         bv->cursor() = cur;
 981                         bv->haveSelection(cur.selection());
 982                 }
 983                 break;
 984
 985         case LFUN_MOUSE_DOUBLE:
 986                 if (cmd.button() == mouse_button::button1) {
 987                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 988                         bv->cursor() = cur;
 989                         bv->haveSelection(cur.selection());
 990                 }
 991                 break;
 992
 993         // Single-click on work area
 994         case LFUN_MOUSE_PRESS: {
 995                 // Right click on a footnote flag opens float menu
 996                 if (cmd.button() == mouse_button::button3) {
 997                         cur.clearSelection();
 998                         break;
 999                 }
1000
1001                 // Middle button press pastes if we have a selection
1002                 // We do this here as if the selection was inside an inset
1003                 // it could get cleared on the unlocking of the inset so
1004                 // we have to check this first
1005                 bool paste_internally = false;
1006                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1007                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1008                         paste_internally = true;
1009                 }
1010
1011                 // Clear the selection
1012                 cur.clearSelection();
1013
1014                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1015                 cur.resetAnchor();
1016                 finishUndo();
1017                 cur.setTargetX();
1018
1019                 // Has the cursor just left the inset?
1020                 if (bv->cursor().inMathed() && !cur.inMathed())
1021                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1022
1023                 // Set cursor here.
1024                 bv->cursor() = cur;
1025
1026                 // Insert primary selection with middle mouse
1027                 // if there is a local selection in the current buffer,
1028                 // insert this
1029                 if (cmd.button() == mouse_button::button2) {
1030                         if (paste_internally)
1031                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1032                         else
1033                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1034                 }
1035
1036                 break;
1037         }
1038
1039         case LFUN_MOUSE_MOTION: {
1040                 // Only use motion with button 1
1041                 //if (cmd.button() != mouse_button::button1)
1042                 //      return false;
1043
1044                 // ignore motions deeper nested than the real anchor
1045                 LCursor & bvcur = cur.bv().cursor();
1046                 if (bvcur.anchor_.hasPart(cur)) {
1047                         CursorSlice old = bvcur.top();
1048
1049                         int const wh = bv->workHeight();
1050                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1051
1052                         setCursorFromCoordinates(cur, cmd.x, y);
1053                         cur.x_target() = cmd.x;
1054                         if (cmd.y >= wh)
1055                                 cursorDown(cur);
1056                         else if (cmd.y < 0)
1057                                 cursorUp(cur);
1058                         // This is to allow jumping over large insets
1059                         if (cur.top() == old) {
1060                                 if (cmd.y >= wh)
1061                                         cursorDown(cur);
1062                                 else if (cmd.y < 0)
1063                                         cursorUp(cur);
1064                         }
1065
1066                         if (cur.top() == old)
1067                                 cur.noUpdate();
1068                         else {
1069                                 // don't set anchor_
1070                                 bvcur.setCursor(cur);
1071                                 bvcur.selection() = true;
1072                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1073                         }
1074
1075                 } else
1076                         cur.undispatched();
1077                 break;
1078         }
1079
1080         case LFUN_MOUSE_RELEASE: {
1081                 if (cmd.button() == mouse_button::button2)
1082                         break;
1083
1084                 // finish selection
1085                 if (cmd.button() == mouse_button::button1)
1086                         bv->haveSelection(cur.selection());
1087
1088                 bv->switchKeyMap();
1089                 bv->owner()->updateMenubar();
1090                 bv->owner()->updateToolbars();
1091                 break;
1092         }
1093
1094         case LFUN_SELFINSERT: {
1095                 if (cmd.argument.empty())
1096                         break;
1097
1098                 // Automatically delete the currently selected
1099                 // text and replace it with what is being
1100                 // typed in now. Depends on lyxrc settings
1101                 // "auto_region_delete", which defaults to
1102                 // true (on).
1103
1104                 if (lyxrc.auto_region_delete) {
1105                         if (cur.selection())
1106                                 cutSelection(cur, false, false);
1107                         bv->haveSelection(false);
1108                 }
1109
1110                 cur.clearSelection();
1111                 LyXFont const old_font = real_current_font;
1112
1113                 // Prevents language turds in new lyxtexts under non-english
1114                 BufferParams const & bufparams = cur.buffer().params();
1115                 Language const * lang = cur.paragraph().getParLanguage(bufparams);
1116                 current_font.setLanguage(lang);
1117                 real_current_font.setLanguage(lang);
1118
1119                 string::const_iterator cit = cmd.argument.begin();
1120                 string::const_iterator end = cmd.argument.end();
1121                 for (; cit != end; ++cit)
1122                         bv->owner()->getIntl().getTransManager().
1123                                 TranslateAndInsert(*cit, this);
1124
1125                 cur.resetAnchor();
1126                 moveCursor(cur, false);
1127
1128                 needsUpdate = redoParagraph(cur.pit());
1129                 if (!needsUpdate) {
1130                         // update only this paragraph
1131                         cur.bv().update(Update::SinglePar | Update::Force);
1132                 }
1133
1134                 bv->updateScrollbar();
1135                 break;
1136         }
1137
1138         case LFUN_URL: {
1139                 InsetCommandParams p("url");
1140                 string const data = InsetCommandMailer::params2string("url", p);
1141                 bv->owner()->getDialogs().show("url", data, 0);
1142                 break;
1143         }
1144
1145         case LFUN_HTMLURL: {
1146                 InsetCommandParams p("htmlurl");
1147                 string const data = InsetCommandMailer::params2string("url", p);
1148                 bv->owner()->getDialogs().show("url", data, 0);
1149                 break;
1150         }
1151
1152         case LFUN_INSERT_LABEL: {
1153                 // Try to generate a valid label
1154                 string const contents = cmd.argument.empty() ?
1155                         cur.getPossibleLabel() : cmd.argument;
1156
1157                 InsetCommandParams p("label", contents);
1158                 string const data = InsetCommandMailer::params2string("label", p);
1159
1160                 if (cmd.argument.empty()) {
1161                         bv->owner()->getDialogs().show("label", data, 0);
1162                 } else {
1163                         FuncRequest fr(LFUN_INSET_INSERT, data);
1164                         dispatch(cur, fr);
1165                 }
1166                 break;
1167         }
1168
1169
1170 #if 0
1171         case LFUN_INSET_LIST:
1172         case LFUN_INSET_THEOREM:
1173         case LFUN_INSET_CAPTION:
1174 #endif
1175         case LFUN_INSERT_NOTE:
1176         case LFUN_INSERT_CHARSTYLE:
1177         case LFUN_INSERT_BOX:
1178         case LFUN_INSERT_BRANCH:
1179         case LFUN_INSERT_BIBITEM:
1180         case LFUN_INSET_ERT:
1181         case LFUN_INSET_FOOTNOTE:
1182         case LFUN_INSET_MARGINAL:
1183         case LFUN_INSET_OPTARG:
1184         case LFUN_ENVIRONMENT_INSERT:
1185                 // Open the inset, and move the current selection
1186                 // inside it.
1187                 doInsertInset(cur, this, cmd, true, true);
1188                 cur.posRight();
1189                 break;
1190
1191         case LFUN_TABULAR_INSERT:
1192                 // if there were no arguments, just open the dialog
1193                 if (doInsertInset(cur, this, cmd, false, true))
1194                         cur.posRight();
1195                 else
1196                         bv->owner()->getDialogs().show("tabularcreate");
1197
1198                 break;
1199
1200         case LFUN_INSET_FLOAT:
1201         case LFUN_INSET_WIDE_FLOAT:
1202         case LFUN_INSET_WRAP:
1203                 doInsertInset(cur, this, cmd, true, true);
1204                 cur.posRight();
1205                 // FIXME: the "Caption" name should not be hardcoded,
1206                 // but given by the float definition.
1207                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1208                 break;
1209
1210         case LFUN_INDEX_INSERT:
1211                 // Just open the inset
1212                 doInsertInset(cur, this, cmd, true, false);
1213                 cur.posRight();
1214                 break;
1215
1216         case LFUN_INDEX_PRINT:
1217         case LFUN_TOC_INSERT:
1218         case LFUN_HFILL:
1219         case LFUN_INSERT_LINE:
1220         case LFUN_INSERT_PAGEBREAK:
1221                 // do nothing fancy
1222                 doInsertInset(cur, this, cmd, false, false);
1223                 cur.posRight();
1224                 break;
1225
1226         case LFUN_DEPTH_MIN:
1227                 changeDepth(cur, DEC_DEPTH);
1228                 break;
1229
1230         case LFUN_DEPTH_PLUS:
1231                 changeDepth(cur, INC_DEPTH);
1232                 break;
1233
1234         case LFUN_MATH_DISPLAY:
1235                 mathDispatch(cur, cmd, true);
1236                 break;
1237
1238         case LFUN_MATH_IMPORT_SELECTION:
1239         case LFUN_MATH_MODE:
1240                 if (cmd.argument == "on")
1241                         // don't pass "on" as argument
1242                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1243                 else
1244                         mathDispatch(cur, cmd, false);
1245                 break;
1246
1247         case LFUN_MATH_MACRO:
1248                 if (cmd.argument.empty())
1249                         cur.errorMessage(N_("Missing argument"));
1250                 else {
1251                         string s = cmd.argument;
1252                         string const s1 = token(s, ' ', 1);
1253                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1254                         string const s2 = token(s, ' ', 2);
1255                         string const type = s2.empty() ? "newcommand" : s2;
1256                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
1257                         //cur.nextInset()->edit(cur, true);
1258                 }
1259                 break;
1260
1261         // passthrough hat and underscore outside mathed:
1262         case LFUN_SUBSCRIPT:
1263                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1264                 break;
1265         case LFUN_SUPERSCRIPT:
1266                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1267                 break;
1268
1269         case LFUN_INSERT_MATH:
1270         case LFUN_INSERT_MATRIX:
1271         case LFUN_MATH_DELIM: {
1272                 cur.insert(new MathHullInset);
1273                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1274                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1275                 cur.dispatch(cmd);
1276                 break;
1277         }
1278
1279         case LFUN_EMPH: {
1280                 LyXFont font(LyXFont::ALL_IGNORE);
1281                 font.setEmph(LyXFont::TOGGLE);
1282                 toggleAndShow(cur, this, font);
1283                 break;
1284         }
1285
1286         case LFUN_BOLD: {
1287                 LyXFont font(LyXFont::ALL_IGNORE);
1288                 font.setSeries(LyXFont::BOLD_SERIES);
1289                 toggleAndShow(cur, this, font);
1290                 break;
1291         }
1292
1293         case LFUN_NOUN: {
1294                 LyXFont font(LyXFont::ALL_IGNORE);
1295                 font.setNoun(LyXFont::TOGGLE);
1296                 toggleAndShow(cur, this, font);
1297                 break;
1298         }
1299
1300         case LFUN_CODE: {
1301                 LyXFont font(LyXFont::ALL_IGNORE);
1302                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1303                 toggleAndShow(cur, this, font);
1304                 break;
1305         }
1306
1307         case LFUN_SANS: {
1308                 LyXFont font(LyXFont::ALL_IGNORE);
1309                 font.setFamily(LyXFont::SANS_FAMILY);
1310                 toggleAndShow(cur, this, font);
1311                 break;
1312         }
1313
1314         case LFUN_ROMAN: {
1315                 LyXFont font(LyXFont::ALL_IGNORE);
1316                 font.setFamily(LyXFont::ROMAN_FAMILY);
1317                 toggleAndShow(cur, this, font);
1318                 break;
1319         }
1320
1321         case LFUN_DEFAULT: {
1322                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1323                 toggleAndShow(cur, this, font);
1324                 break;
1325         }
1326
1327         case LFUN_UNDERLINE: {
1328                 LyXFont font(LyXFont::ALL_IGNORE);
1329                 font.setUnderbar(LyXFont::TOGGLE);
1330                 toggleAndShow(cur, this, font);
1331                 break;
1332         }
1333
1334         case LFUN_FONT_SIZE: {
1335                 LyXFont font(LyXFont::ALL_IGNORE);
1336                 font.setLyXSize(cmd.argument);
1337                 toggleAndShow(cur, this, font);
1338                 break;
1339         }
1340
1341         case LFUN_LANGUAGE: {
1342                 Language const * lang = languages.getLanguage(cmd.argument);
1343                 if (!lang)
1344                         break;
1345                 LyXFont font(LyXFont::ALL_IGNORE);
1346                 font.setLanguage(lang);
1347                 toggleAndShow(cur, this, font);
1348                 bv->switchKeyMap();
1349                 break;
1350         }
1351
1352         case LFUN_FREEFONT_APPLY:
1353                 toggleAndShow(cur, this, freefont, toggleall);
1354                 cur.message(_("Character set"));
1355                 break;
1356
1357         // Set the freefont using the contents of \param data dispatched from
1358         // the frontends and apply it at the current cursor location.
1359         case LFUN_FREEFONT_UPDATE: {
1360                 LyXFont font;
1361                 bool toggle;
1362                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1363                         freefont = font;
1364                         toggleall = toggle;
1365                         toggleAndShow(cur, this, freefont, toggleall);
1366                         cur.message(_("Character set"));
1367                 }
1368                 break;
1369         }
1370
1371         case LFUN_FINISHED_LEFT:
1372                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1373                 break;
1374
1375         case LFUN_FINISHED_RIGHT:
1376                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1377                 ++cur.pos();
1378                 break;
1379
1380         case LFUN_FINISHED_UP:
1381                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1382                 cursorUp(cur);
1383                 break;
1384
1385         case LFUN_FINISHED_DOWN:
1386                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1387                 cursorDown(cur);
1388                 break;
1389
1390         case LFUN_LAYOUT_PARAGRAPH: {
1391                 string data;
1392                 params2string(cur.paragraph(), data);
1393                 data = "show\n" + data;
1394                 bv->owner()->getDialogs().show("paragraph", data);
1395                 break;
1396         }
1397
1398         case LFUN_PARAGRAPH_UPDATE: {
1399                 if (!bv->owner()->getDialogs().visible("paragraph"))
1400                         break;
1401                 string data;
1402                 params2string(cur.paragraph(), data);
1403
1404                 // Will the paragraph accept changes from the dialog?
1405                 InsetBase & inset = cur.inset();
1406                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1407
1408                 data = "update " + convert<string>(accept) + '\n' + data;
1409                 bv->owner()->getDialogs().update("paragraph", data);
1410                 break;
1411         }
1412
1413         case LFUN_UMLAUT:
1414         case LFUN_CIRCUMFLEX:
1415         case LFUN_GRAVE:
1416         case LFUN_ACUTE:
1417         case LFUN_TILDE:
1418         case LFUN_CEDILLA:
1419         case LFUN_MACRON:
1420         case LFUN_DOT:
1421         case LFUN_UNDERDOT:
1422         case LFUN_UNDERBAR:
1423         case LFUN_CARON:
1424         case LFUN_SPECIAL_CARON:
1425         case LFUN_BREVE:
1426         case LFUN_TIE:
1427         case LFUN_HUNG_UMLAUT:
1428         case LFUN_CIRCLE:
1429         case LFUN_OGONEK:
1430                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1431                 if (!cmd.argument.empty())
1432                         bv->owner()->getIntl().getTransManager()
1433                                 .TranslateAndInsert(cmd.argument[0], this);
1434                 break;
1435
1436         case LFUN_FLOAT_LIST: {
1437                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1438                 if (tclass.floats().typeExist(cmd.argument)) {
1439                         // not quite sure if we want this...
1440                         recordUndo(cur);
1441                         cur.clearSelection();
1442                         breakParagraph(cur);
1443
1444                         if (cur.lastpos() != 0) {
1445                                 cursorLeft(cur);
1446                                 breakParagraph(cur);
1447                         }
1448
1449                         setLayout(cur, tclass.defaultLayoutName());
1450                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1451                         insertInset(cur, new InsetFloatList(cmd.argument));
1452                         cur.posRight();
1453                 } else {
1454                         lyxerr << "Non-existent float type: "
1455                                << cmd.argument << endl;
1456                 }
1457                 break;
1458         }
1459
1460         case LFUN_ACCEPT_CHANGE: {
1461                 acceptChange(cur);
1462                 break;
1463         }
1464
1465         case LFUN_REJECT_CHANGE: {
1466                 rejectChange(cur);
1467                 break;
1468         }
1469
1470         case LFUN_THESAURUS_ENTRY: {
1471                 string arg = cmd.argument;
1472                 if (arg.empty()) {
1473                         arg = cur.selectionAsString(false);
1474                         // FIXME
1475                         if (arg.size() > 100 || arg.empty()) {
1476                                 // Get word or selection
1477                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1478                                 arg = cur.selectionAsString(false);
1479                         }
1480                 }
1481                 bv->owner()->getDialogs().show("thesaurus", arg);
1482                 break;
1483         }
1484
1485         case LFUN_PARAGRAPH_APPLY: {
1486                 // Given data, an encoding of the ParagraphParameters
1487                 // generated in the Paragraph dialog, this function sets
1488                 // the current paragraph appropriately.
1489                 istringstream is(cmd.argument);
1490                 LyXLex lex(0, 0);
1491                 lex.setStream(is);
1492                 ParagraphParameters params;
1493                 params.read(lex);
1494                 setParagraph(cur,
1495                                          params.spacing(),
1496                                          params.align(),
1497                                          params.labelWidthString(),
1498                                          params.noindent());
1499                 cur.message(_("Paragraph layout set"));
1500                 break;
1501         }
1502
1503         case LFUN_INSET_DIALOG_SHOW: {
1504                 InsetBase * inset = cur.nextInset();
1505                 if (inset) {
1506                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1507                         inset->dispatch(cur, fr);
1508                 }
1509                 break;
1510         }
1511
1512         case LFUN_ESCAPE:
1513                 if (cur.selection()) {
1514                         cur.selection() = false;
1515                 } else {
1516                         cur.undispatched();
1517                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
1518                 }
1519                 break;
1520
1521         default:
1522                 lyxerr << BOOST_CURRENT_FUNCTION
1523                                          << ": Command " << cmd << " not DISPATCHED by LyXText" << endl;
1524                 cur.undispatched();
1525                 break;
1526         }
1527
1528         if (!needsUpdate
1529             && &oldTopSlice.inset() == &cur.inset()
1530             && oldTopSlice.idx() == cur.idx()
1531             && !sel
1532             && !cur.selection())
1533                 cur.noUpdate();
1534         else
1535                 cur.needsUpdate();
1536 }
1537
1538
1539 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1540                         FuncStatus & flag) const
1541 {
1542         BOOST_ASSERT(cur.text() == this);
1543         LyXFont const & font = real_current_font;
1544         bool enable = true;
1545
1546         switch (cmd.action) {
1547
1548         case LFUN_DEPTH_MIN:
1549                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1550                 break;
1551
1552         case LFUN_DEPTH_PLUS:
1553                 enable = changeDepthAllowed(cur, INC_DEPTH);
1554                 break;
1555
1556         case LFUN_INSET_OPTARG:
1557                 enable = numberOfOptArgs(cur.paragraph())
1558                         < cur.paragraph().layout()->optionalargs;
1559                 break;
1560
1561         case LFUN_APPENDIX:
1562                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1563                 return true;
1564
1565         case LFUN_INSERT_BIBITEM:
1566                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1567                 break;
1568
1569 #if 0
1570         // the functions which insert insets
1571         InsetBase::Code code = InsetBase::NO_CODE;
1572         switch (cmd.action) {
1573         case LFUN_DIALOG_SHOW_NEW_INSET:
1574                 if (cmd.argument == "bibitem")
1575                         code = InsetBase::BIBITEM_CODE;
1576                 else if (cmd.argument == "bibtex")
1577                         code = InsetBase::BIBTEX_CODE;
1578                 else if (cmd.argument == "box")
1579                         code = InsetBase::BOX_CODE;
1580                 else if (cmd.argument == "branch")
1581                         code = InsetBase::BRANCH_CODE;
1582                 else if (cmd.argument == "citation")
1583                         code = InsetBase::CITE_CODE;
1584                 else if (cmd.argument == "ert")
1585                         code = InsetBase::ERT_CODE;
1586                 else if (cmd.argument == "external")
1587                         code = InsetBase::EXTERNAL_CODE;
1588                 else if (cmd.argument == "float")
1589                         code = InsetBase::FLOAT_CODE;
1590                 else if (cmd.argument == "graphics")
1591                         code = InsetBase::GRAPHICS_CODE;
1592                 else if (cmd.argument == "include")
1593                         code = InsetBase::INCLUDE_CODE;
1594                 else if (cmd.argument == "index")
1595                         code = InsetBase::INDEX_CODE;
1596                 else if (cmd.argument == "label")
1597                         code = InsetBase::LABEL_CODE;
1598                 else if (cmd.argument == "note")
1599                         code = InsetBase::NOTE_CODE;
1600                 else if (cmd.argument == "ref")
1601                         code = InsetBase::REF_CODE;
1602                 else if (cmd.argument == "toc")
1603                         code = InsetBase::TOC_CODE;
1604                 else if (cmd.argument == "url")
1605                         code = InsetBase::URL_CODE;
1606                 else if (cmd.argument == "vspace")
1607                         code = InsetBase::VSPACE_CODE;
1608                 else if (cmd.argument == "wrap")
1609                         code = InsetBase::WRAP_CODE;
1610                 break;
1611
1612         case LFUN_INSET_ERT:
1613                 code = InsetBase::ERT_CODE;
1614                 break;
1615         case LFUN_INSET_FOOTNOTE:
1616                 code = InsetBase::FOOT_CODE;
1617                 break;
1618         case LFUN_TABULAR_INSERT:
1619                 code = InsetBase::TABULAR_CODE;
1620                 break;
1621         case LFUN_INSET_MARGINAL:
1622                 code = InsetBase::MARGIN_CODE;
1623                 break;
1624         case LFUN_INSET_FLOAT:
1625         case LFUN_INSET_WIDE_FLOAT:
1626                 code = InsetBase::FLOAT_CODE;
1627                 break;
1628         case LFUN_INSET_WRAP:
1629                 code = InsetBase::WRAP_CODE;
1630                 break;
1631         case LFUN_FLOAT_LIST:
1632                 code = InsetBase::FLOAT_LIST_CODE;
1633                 break;
1634 #if 0
1635         case LFUN_INSET_LIST:
1636                 code = InsetBase::LIST_CODE;
1637                 break;
1638         case LFUN_INSET_THEOREM:
1639                 code = InsetBase::THEOREM_CODE;
1640                 break;
1641 #endif
1642         case LFUN_INSET_CAPTION:
1643                 code = InsetBase::CAPTION_CODE;
1644                 break;
1645         case LFUN_INSERT_NOTE:
1646                 code = InsetBase::NOTE_CODE;
1647                 break;
1648         case LFUN_INSERT_CHARSTYLE:
1649                 code = InsetBase::CHARSTYLE_CODE;
1650                 if (buf->params().getLyXTextClass().charstyles().empty())
1651                         enable = false;
1652                 break;
1653         case LFUN_INSERT_BOX:
1654                 code = InsetBase::BOX_CODE;
1655                 break;
1656         case LFUN_INSERT_BRANCH:
1657                 code = InsetBase::BRANCH_CODE;
1658                 if (buf->params().branchlist().empty())
1659                         enable = false;
1660                 break;
1661         case LFUN_INSERT_LABEL:
1662                 code = InsetBase::LABEL_CODE;
1663                 break;
1664         case LFUN_INSET_OPTARG:
1665                 code = InsetBase::OPTARG_CODE;
1666                 break;
1667         case LFUN_ENVIRONMENT_INSERT:
1668                 code = InsetBase::BOX_CODE;
1669                 break;
1670         case LFUN_INDEX_INSERT:
1671                 code = InsetBase::INDEX_CODE;
1672                 break;
1673         case LFUN_INDEX_PRINT:
1674                 code = InsetBase::INDEX_PRINT_CODE;
1675                 break;
1676         case LFUN_TOC_INSERT:
1677                 code = InsetBase::TOC_CODE;
1678                 break;
1679         case LFUN_HTMLURL:
1680         case LFUN_URL:
1681                 code = InsetBase::URL_CODE;
1682                 break;
1683         case LFUN_QUOTE:
1684                 // always allow this, since we will inset a raw quote
1685                 // if an inset is not allowed.
1686                 break;
1687         case LFUN_HYPHENATION:
1688         case LFUN_LIGATURE_BREAK:
1689         case LFUN_HFILL:
1690         case LFUN_MENU_SEPARATOR:
1691         case LFUN_LDOTS:
1692         case LFUN_END_OF_SENTENCE:
1693                 code = InsetBase::SPECIALCHAR_CODE;
1694                 break;
1695         case LFUN_SPACE_INSERT:
1696                 // slight hack: we know this is allowed in math mode
1697                 if (cur.inTexted())
1698                         code = InsetBase::SPACE_CODE;
1699                 break;
1700         case LFUN_INSET_DIALOG_SHOW: {
1701                 InsetBase * inset = cur.nextInset();
1702                 enable = inset;
1703                 if (inset) {
1704                         code = inset->lyxCode();
1705                         if (!(code == InsetBase::INCLUDE_CODE
1706                                 || code == InsetBase::BIBTEX_CODE
1707                                 || code == InsetBase::FLOAT_LIST_CODE
1708                                 || code == InsetBase::TOC_CODE))
1709                                 enable = false;
1710                 }
1711                 break;
1712         }
1713         default:
1714                 break;
1715         }
1716
1717         if (code != InsetBase::NO_CODE
1718                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1719                 enable = false;
1720
1721 #endif
1722
1723         case LFUN_DIALOG_SHOW_NEW_INSET:
1724         case LFUN_INSET_ERT:
1725         case LFUN_INSERT_BOX:
1726         case LFUN_INSERT_BRANCH:
1727         case LFUN_ENVIRONMENT_INSERT:
1728         case LFUN_INDEX_INSERT:
1729         case LFUN_INDEX_PRINT:
1730         case LFUN_TOC_INSERT:
1731         case LFUN_HTMLURL:
1732         case LFUN_URL:
1733         case LFUN_QUOTE:
1734         case LFUN_HYPHENATION:
1735         case LFUN_LIGATURE_BREAK:
1736         case LFUN_HFILL:
1737         case LFUN_MENU_SEPARATOR:
1738         case LFUN_LDOTS:
1739         case LFUN_END_OF_SENTENCE:
1740         case LFUN_SPACE_INSERT:
1741         case LFUN_INSET_DIALOG_SHOW:
1742                 break;
1743
1744         case LFUN_INSET_MODIFY:
1745                 // We need to disable this, because we may get called for a
1746                 // tabular cell via
1747                 // InsetTabular::getStatus() -> InsetText::getStatus()
1748                 // and we don't handle LFUN_INSET_MODIFY.
1749                 enable = false;
1750                 break;
1751
1752         case LFUN_EMPH:
1753                 flag.setOnOff(font.emph() == LyXFont::ON);
1754                 return true;
1755
1756         case LFUN_NOUN:
1757                 flag.setOnOff(font.noun() == LyXFont::ON);
1758                 return true;
1759
1760         case LFUN_BOLD:
1761                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1762                 return true;
1763
1764         case LFUN_SANS:
1765                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1766                 return true;
1767
1768         case LFUN_ROMAN:
1769                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1770                 return true;
1771
1772         case LFUN_CODE:
1773                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1774                 return true;
1775
1776         case LFUN_DELETE_WORD_FORWARD:
1777         case LFUN_DELETE_WORD_BACKWARD:
1778         case LFUN_DELETE_LINE_FORWARD:
1779         case LFUN_WORDRIGHT:
1780         case LFUN_WORDLEFT:
1781         case LFUN_RIGHT:
1782         case LFUN_RIGHTSEL:
1783         case LFUN_LEFT:
1784         case LFUN_LEFTSEL:
1785         case LFUN_UP:
1786         case LFUN_UPSEL:
1787         case LFUN_DOWN:
1788         case LFUN_DOWNSEL:
1789         case LFUN_UP_PARAGRAPHSEL:
1790         case LFUN_DOWN_PARAGRAPHSEL:
1791         case LFUN_PRIORSEL:
1792         case LFUN_NEXTSEL:
1793         case LFUN_HOMESEL:
1794         case LFUN_ENDSEL:
1795         case LFUN_WORDRIGHTSEL:
1796         case LFUN_WORDLEFTSEL:
1797         case LFUN_WORDSEL:
1798         case LFUN_UP_PARAGRAPH:
1799         case LFUN_DOWN_PARAGRAPH:
1800         case LFUN_PRIOR:
1801         case LFUN_NEXT:
1802         case LFUN_HOME:
1803         case LFUN_END:
1804         case LFUN_BREAKLINE:
1805         case LFUN_DELETE:
1806         case LFUN_DELETE_SKIP:
1807         case LFUN_BACKSPACE:
1808         case LFUN_BACKSPACE_SKIP:
1809         case LFUN_BREAKPARAGRAPH:
1810         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1811         case LFUN_BREAKPARAGRAPH_SKIP:
1812         case LFUN_PARAGRAPH_SPACING:
1813         case LFUN_INSET_INSERT:
1814         case LFUN_NEXT_INSET_TOGGLE:
1815         case LFUN_UPCASE_WORD:
1816         case LFUN_LOWCASE_WORD:
1817         case LFUN_CAPITALIZE_WORD:
1818         case LFUN_TRANSPOSE_CHARS:
1819         case LFUN_PASTE:
1820         case LFUN_CUT:
1821         case LFUN_COPY:
1822         case LFUN_GETXY:
1823         case LFUN_SETXY:
1824         case LFUN_GETFONT:
1825         case LFUN_GETLAYOUT:
1826         case LFUN_LAYOUT:
1827         case LFUN_PASTESELECTION:
1828         case LFUN_DATE_INSERT:
1829         case LFUN_SELFINSERT:
1830         case LFUN_INSERT_LABEL:
1831         case LFUN_INSERT_NOTE:
1832         case LFUN_INSERT_CHARSTYLE:
1833         case LFUN_INSET_FLOAT:
1834         case LFUN_INSET_FOOTNOTE:
1835         case LFUN_INSET_MARGINAL:
1836         case LFUN_INSET_WIDE_FLOAT:
1837         case LFUN_INSET_WRAP:
1838         case LFUN_TABULAR_INSERT:
1839         case LFUN_INSERT_LINE:
1840         case LFUN_INSERT_PAGEBREAK:
1841         case LFUN_MATH_DISPLAY:
1842         case LFUN_MATH_IMPORT_SELECTION:
1843         case LFUN_MATH_MODE:
1844         case LFUN_MATH_MACRO:
1845         case LFUN_INSERT_MATH:
1846         case LFUN_INSERT_MATRIX:
1847         case LFUN_MATH_DELIM:
1848         case LFUN_SUBSCRIPT:
1849         case LFUN_SUPERSCRIPT:
1850         case LFUN_DEFAULT:
1851         case LFUN_UNDERLINE:
1852         case LFUN_FONT_SIZE:
1853         case LFUN_LANGUAGE:
1854         case LFUN_FREEFONT_APPLY:
1855         case LFUN_FREEFONT_UPDATE:
1856         case LFUN_LAYOUT_PARAGRAPH:
1857         case LFUN_PARAGRAPH_UPDATE:
1858         case LFUN_UMLAUT:
1859         case LFUN_CIRCUMFLEX:
1860         case LFUN_GRAVE:
1861         case LFUN_ACUTE:
1862         case LFUN_TILDE:
1863         case LFUN_CEDILLA:
1864         case LFUN_MACRON:
1865         case LFUN_DOT:
1866         case LFUN_UNDERDOT:
1867         case LFUN_UNDERBAR:
1868         case LFUN_CARON:
1869         case LFUN_SPECIAL_CARON:
1870         case LFUN_BREVE:
1871         case LFUN_TIE:
1872         case LFUN_HUNG_UMLAUT:
1873         case LFUN_CIRCLE:
1874         case LFUN_OGONEK:
1875         case LFUN_FLOAT_LIST:
1876         case LFUN_ACCEPT_CHANGE:
1877         case LFUN_REJECT_CHANGE:
1878         case LFUN_THESAURUS_ENTRY:
1879         case LFUN_PARAGRAPH_APPLY:
1880         case LFUN_ESCAPE:
1881         case LFUN_KEYMAP_TOGGLE:
1882         case LFUN_ENDBUF:
1883         case LFUN_BEGINNINGBUF:
1884         case LFUN_BEGINNINGBUFSEL:
1885         case LFUN_ENDBUFSEL:
1886                 // these are handled in our dispatch()
1887                 enable = true;
1888                 break;
1889
1890         default:
1891                 return false;
1892         }
1893         flag.enabled(enable);
1894         return true;
1895 }