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