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         // Signals that, even if needsUpdate == false, an update of the
 298         // cursor paragraph is required
 299         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 300                 LyXAction::SingleParUpdate);
 301         // Signals that a full-screen update is required
 302         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 303                 LyXAction::NoUpdate) || singleParUpdate);
 304         // Remember the old paragraph metric
 305         Dimension olddim = cur.paragraph().dim();
 306
 307         switch (cmd.action) {
 308
 309         case LFUN_APPENDIX: {
 310                 Paragraph & par = cur.paragraph();
 311                 bool start = !par.params().startOfAppendix();
 312
 313 #ifdef WITH_WARNINGS
 314 #warning The code below only makes sense at top level.
 315 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 316 #endif
 317                 // ensure that we have only one start_of_appendix in this document
 318                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 319                         if (pars_[tmp].params().startOfAppendix()) {
 320                                 recUndo(tmp);
 321                                 pars_[tmp].params().startOfAppendix(false);
 322                                 break;
 323                         }
 324                 }
 325
 326                 recordUndo(cur);
 327                 par.params().startOfAppendix(start);
 328
 329                 // we can set the refreshing parameters now
 330                 updateCounters(cur.buffer());
 331                 break;
 332         }
 333
 334         case LFUN_DELETE_WORD_FORWARD:
 335                 cur.clearSelection();
 336                 deleteWordForward(cur);
 337                 finishChange(cur, false);
 338                 break;
 339
 340         case LFUN_DELETE_WORD_BACKWARD:
 341                 cur.clearSelection();
 342                 deleteWordBackward(cur);
 343                 finishChange(cur, false);
 344                 break;
 345
 346         case LFUN_DELETE_LINE_FORWARD:
 347                 cur.clearSelection();
 348                 deleteLineForward(cur);
 349                 finishChange(cur, false);
 350                 break;
 351
 352         case LFUN_WORDRIGHT:
 353                 if (!cur.mark())
 354                         cur.clearSelection();
 355                 if (isRTL(cur.paragraph()))
 356                         needsUpdate = cursorLeftOneWord(cur);
 357                 else
 358                         needsUpdate = cursorRightOneWord(cur);
 359                 finishChange(cur, false);
 360                 break;
 361
 362         case LFUN_WORDLEFT:
 363                 if (!cur.mark())
 364                         cur.clearSelection();
 365                 if (isRTL(cur.paragraph()))
 366                         needsUpdate = cursorRightOneWord(cur);
 367                 else
 368                         needsUpdate = cursorLeftOneWord(cur);
 369                 finishChange(cur, false);
 370                 break;
 371
 372         case LFUN_BEGINNINGBUF:
 373                 if (cur.depth() == 1) {
 374                         if (!cur.mark())
 375                                 cur.clearSelection();
 376                         cursorTop(cur);
 377                         finishChange(cur, false);
 378                 } else {
 379                         cur.undispatched();
 380                 }
 381                 break;
 382
 383         case LFUN_BEGINNINGBUFSEL:
 384                 if (cur.depth() == 1) {
 385                         if (!cur.selection())
 386                                 cur.resetAnchor();
 387                         cursorTop(cur);
 388                         finishChange(cur, true);
 389                 } else {
 390                         cur.undispatched();
 391                 }
 392                 break;
 393
 394         case LFUN_ENDBUF:
 395                 if (cur.depth() == 1) {
 396                         if (!cur.mark())
 397                                 cur.clearSelection();
 398                         cursorBottom(cur);
 399                         finishChange(cur, false);
 400                 } else {
 401                         cur.undispatched();
 402                 }
 403                 break;
 404
 405         case LFUN_ENDBUFSEL:
 406                 if (cur.depth() == 1) {
 407                         if (!cur.selection())
 408                                 cur.resetAnchor();
 409                         cursorBottom(cur);
 410                         finishChange(cur, true);
 411                 } else {
 412                         cur.undispatched();
 413                 }
 414                 break;
 415
 416         case LFUN_RIGHT:
 417         case LFUN_RIGHTSEL:
 418                 //lyxerr << BOOST_CURRENT_FUNCTION
 419                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 420                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 421                 if (isRTL(cur.paragraph()))
 422                         needsUpdate = cursorLeft(cur);
 423                 else
 424                         needsUpdate = cursorRight(cur);
 425
 426                 if (!needsUpdate && oldTopSlice == cur.top()
 427                                 && cur.boundary() == oldBoundary) {
 428                         cur.undispatched();
 429                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 430                 }
 431                 break;
 432
 433         case LFUN_LEFT:
 434         case LFUN_LEFTSEL:
 435                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 436                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 437                 if (isRTL(cur.paragraph()))
 438                         needsUpdate = cursorRight(cur);
 439                 else
 440                         needsUpdate = cursorLeft(cur);
 441
 442                 if (!needsUpdate && oldTopSlice == cur.top()
 443                         && cur.boundary() == oldBoundary) {
 444                         cur.undispatched();
 445                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 446                 }
 447                 break;
 448
 449         case LFUN_UP:
 450         case LFUN_UPSEL:
 451                 update(cur);
 452                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 453                 cur.selHandle(cmd.action == LFUN_UPSEL);
 454
 455                 needsUpdate = cursorUp(cur);
 456                 if (!needsUpdate && oldTopSlice == cur.top()
 457                           && cur.boundary() == oldBoundary) {
 458                         cur.undispatched();
 459                         cmd = FuncRequest(LFUN_FINISHED_UP);
 460                 }
 461                 break;
 462
 463         case LFUN_DOWN:
 464         case LFUN_DOWNSEL:
 465                 update(cur);
 466                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 467                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 468                 needsUpdate = cursorDown(cur);
 469                 if (!needsUpdate && oldTopSlice == cur.top() &&
 470                     cur.boundary() == oldBoundary)
 471                 {
 472                         cur.undispatched();
 473                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 474                 }
 475                 break;
 476
 477         case LFUN_UP_PARAGRAPH:
 478                 if (!cur.mark())
 479                         cur.clearSelection();
 480                 needsUpdate = cursorUpParagraph(cur);
 481                 finishChange(cur, false);
 482                 break;
 483
 484         case LFUN_UP_PARAGRAPHSEL:
 485                 if (!cur.selection())
 486                         cur.resetAnchor();
 487                 cursorUpParagraph(cur);
 488                 finishChange(cur, true);
 489                 break;
 490
 491         case LFUN_DOWN_PARAGRAPH:
 492                 if (!cur.mark())
 493                         cur.clearSelection();
 494                 needsUpdate = cursorDownParagraph(cur);
 495                 finishChange(cur, false);
 496                 break;
 497
 498         case LFUN_DOWN_PARAGRAPHSEL:
 499                 if (!cur.selection())
 500                         cur.resetAnchor();
 501                 cursorDownParagraph(cur);
 502                 finishChange(cur, true);
 503                 break;
 504
 505         case LFUN_PRIORSEL:
 506                 update(cur);
 507                 if (!cur.selection())
 508                         cur.resetAnchor();
 509                 cursorPrevious(cur);
 510                 finishChange(cur, true);
 511                 break;
 512
 513         case LFUN_NEXTSEL:
 514                 update(cur);
 515                 if (!cur.selection())
 516                         cur.resetAnchor();
 517                 cursorNext(cur);
 518                 finishChange(cur, true);
 519                 break;
 520
 521         case LFUN_HOMESEL:
 522                 update(cur);
 523                 if (!cur.selection())
 524                         cur.resetAnchor();
 525                 cursorHome(cur);
 526                 finishChange(cur, true);
 527                 break;
 528
 529         case LFUN_ENDSEL:
 530                 update(cur);
 531                 if (!cur.selection())
 532                         cur.resetAnchor();
 533                 cursorEnd(cur);
 534                 finishChange(cur, true);
 535                 break;
 536
 537         case LFUN_WORDRIGHTSEL:
 538                 if (!cur.selection())
 539                         cur.resetAnchor();
 540                 if (isRTL(cur.paragraph()))
 541                         cursorLeftOneWord(cur);
 542                 else
 543                         cursorRightOneWord(cur);
 544                 finishChange(cur, true);
 545                 break;
 546
 547         case LFUN_WORDLEFTSEL:
 548                 if (!cur.selection())
 549                         cur.resetAnchor();
 550                 if (isRTL(cur.paragraph()))
 551                         cursorRightOneWord(cur);
 552                 else
 553                         cursorLeftOneWord(cur);
 554                 finishChange(cur, true);
 555                 break;
 556
 557         case LFUN_WORDSEL: {
 558                 selectWord(cur, lyx::WHOLE_WORD);
 559                 finishChange(cur, true);
 560                 break;
 561         }
 562
 563         case LFUN_PRIOR:
 564                 update(cur);
 565                 if (!cur.mark())
 566                         cur.clearSelection();
 567                 finishChange(cur, false);
 568                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 569                         cur.undispatched();
 570                         cmd = FuncRequest(LFUN_FINISHED_UP);
 571                 } else {
 572                         needsUpdate = cursorPrevious(cur);
 573                 }
 574                 break;
 575
 576         case LFUN_NEXT:
 577                 update(cur);
 578                 if (!cur.mark())
 579                         cur.clearSelection();
 580                 finishChange(cur, false);
 581                 if (cur.pit() == cur.lastpit()
 582                           && cur.textRow().endpos() == cur.lastpos()) {
 583                         cur.undispatched();
 584                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 585                 } else {
 586                         needsUpdate = cursorNext(cur);
 587                 }
 588                 break;
 589
 590         case LFUN_HOME:
 591                 if (!cur.mark())
 592                         cur.clearSelection();
 593                 cursorHome(cur);
 594                 finishChange(cur, false);
 595                 break;
 596
 597         case LFUN_END:
 598                 if (!cur.mark())
 599                         cur.clearSelection();
 600                 cursorEnd(cur);
 601                 finishChange(cur, false);
 602                 break;
 603
 604         case LFUN_BREAKLINE: {
 605                 // Not allowed by LaTeX (labels or empty par)
 606                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 607                         lyx::cap::replaceSelection(cur);
 608                         cur.insert(new InsetNewline);
 609                         cur.posRight();
 610                         moveCursor(cur, false);
 611                 }
 612                 break;
 613         }
 614
 615         case LFUN_DELETE:
 616                 if (!cur.selection()) {
 617                         Delete(cur);
 618                         cur.resetAnchor();
 619                         // It is possible to make it a lot faster still
 620                         // just comment out the line below...
 621                 } else {
 622                         cutSelection(cur, true, false);
 623                 }
 624                 moveCursor(cur, false);
 625                 break;
 626
 627         case LFUN_DELETE_SKIP:
 628                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 629                 if (!cur.selection()) {
 630                         if (cur.pos() == cur.lastpos()) {
 631                                 cursorRight(cur);
 632                                 cursorLeft(cur);
 633                         }
 634                         Delete(cur);
 635                         cur.resetAnchor();
 636                 } else {
 637                         cutSelection(cur, true, false);
 638                 }
 639                 break;
 640
 641
 642         case LFUN_BACKSPACE:
 643                 if (!cur.selection()) {
 644                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 645                                 backspace(cur);
 646                                 cur.resetAnchor();
 647                                 // It is possible to make it a lot faster still
 648                                 // just comment out the line below...
 649                         }
 650                 } else {
 651                         cutSelection(cur, true, false);
 652                 }
 653                 bv->switchKeyMap();
 654                 break;
 655
 656         case LFUN_BACKSPACE_SKIP:
 657                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 658                 if (!cur.selection()) {
 659 #ifdef WITH_WARNINGS
 660 #warning look here
 661 #endif
 662                         //CursorSlice cur = cursor();
 663                         backspace(cur);
 664                         //anchor() = cur;
 665                 } else {
 666                         cutSelection(cur, true, false);
 667                 }
 668                 break;
 669
 670         case LFUN_BREAKPARAGRAPH:
 671                 lyx::cap::replaceSelection(cur);
 672                 breakParagraph(cur, 0);
 673                 cur.resetAnchor();
 674                 bv->switchKeyMap();
 675                 break;
 676
 677         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 678                 lyx::cap::replaceSelection(cur);
 679                 breakParagraph(cur, 1);
 680                 cur.resetAnchor();
 681                 bv->switchKeyMap();
 682                 break;
 683
 684         case LFUN_BREAKPARAGRAPH_SKIP: {
 685                 // When at the beginning of a paragraph, remove
 686                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 687                 lyx::cap::replaceSelection(cur);
 688                 if (cur.pos() == 0)
 689                         cur.paragraph().params().labelWidthString(string());
 690                 else
 691                         breakParagraph(cur, 0);
 692                 cur.resetAnchor();
 693                 bv->switchKeyMap();
 694                 break;
 695         }
 696
 697         case LFUN_PARAGRAPH_SPACING: {
 698                 Paragraph & par = cur.paragraph();
 699                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 700                 string cur_value = "1.0";
 701                 if (cur_spacing == Spacing::Other)
 702                         cur_value = par.params().spacing().getValueAsString();
 703
 704                 istringstream is(cmd.argument);
 705                 string tmp;
 706                 is >> tmp;
 707                 Spacing::Space new_spacing = cur_spacing;
 708                 string new_value = cur_value;
 709                 if (tmp.empty()) {
 710                         lyxerr << "Missing argument to `paragraph-spacing'"
 711                                << endl;
 712                 } else if (tmp == "single") {
 713                         new_spacing = Spacing::Single;
 714                 } else if (tmp == "onehalf") {
 715                         new_spacing = Spacing::Onehalf;
 716                 } else if (tmp == "double") {
 717                         new_spacing = Spacing::Double;
 718                 } else if (tmp == "other") {
 719                         new_spacing = Spacing::Other;
 720                         string tmpval = "0.0";
 721                         is >> tmpval;
 722                         lyxerr << "new_value = " << tmpval << endl;
 723                         if (tmpval != "0.0")
 724                                 new_value = tmpval;
 725                 } else if (tmp == "default") {
 726                         new_spacing = Spacing::Default;
 727                 } else {
 728                         lyxerr << _("Unknown spacing argument: ")
 729                                << cmd.argument << endl;
 730                 }
 731                 if (cur_spacing != new_spacing || cur_value != new_value)
 732                         par.params().spacing(Spacing(new_spacing, new_value));
 733                 break;
 734         }
 735
 736         case LFUN_INSET_INSERT: {
 737                 recordUndo(cur);
 738                 InsetBase * inset = createInset(bv, cmd);
 739                 if (inset) {
 740                         insertInset(cur, inset);
 741                         cur.posRight();
 742                 }
 743                 break;
 744         }
 745
 746         case LFUN_INSET_SETTINGS:
 747                 cur.inset().showInsetDialog(bv);
 748                 break;
 749
 750         case LFUN_NEXT_INSET_TOGGLE: {
 751                 InsetBase * inset = cur.nextInset();
 752                 if (inset) {
 753                         cur.clearSelection();
 754                         FuncRequest fr = cmd;
 755                         fr.action = LFUN_INSET_TOGGLE;
 756                         inset->dispatch(cur, fr);
 757                 }
 758                 break;
 759         }
 760
 761         case LFUN_KEYMAP_TOGGLE:
 762                 cur.clearSelection();
 763                 bv->switchKeyMap();
 764                 break;
 765
 766         case LFUN_SPACE_INSERT:
 767                 if (cur.paragraph().layout()->free_spacing)
 768                         insertChar(cur, ' ');
 769                 else {
 770                         doInsertInset(cur, this, cmd, false, false);
 771                         cur.posRight();
 772                 }
 773                 moveCursor(cur, false);
 774                 break;
 775
 776         case LFUN_HYPHENATION:
 777                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 778                 break;
 779
 780         case LFUN_LIGATURE_BREAK:
 781                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 782                 break;
 783
 784         case LFUN_LDOTS:
 785                 specialChar(cur, InsetSpecialChar::LDOTS);
 786                 break;
 787
 788         case LFUN_END_OF_SENTENCE:
 789                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 790                 break;
 791
 792         case LFUN_MENU_SEPARATOR:
 793                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 794                 break;
 795
 796         case LFUN_UPCASE_WORD:
 797                 changeCase(cur, LyXText::text_uppercase);
 798                 break;
 799
 800         case LFUN_LOWCASE_WORD:
 801                 changeCase(cur, LyXText::text_lowercase);
 802                 break;
 803
 804         case LFUN_CAPITALIZE_WORD:
 805                 changeCase(cur, LyXText::text_capitalization);
 806                 break;
 807
 808         case LFUN_TRANSPOSE_CHARS:
 809                 recordUndo(cur);
 810                 break;
 811
 812         case LFUN_PASTE:
 813                 cur.message(_("Paste"));
 814                 lyx::cap::replaceSelection(cur);
 815 #ifdef WITH_WARNINGS
 816 #warning FIXME Check if the arg is in the domain of available selections.
 817 #endif
 818                 if (isStrUnsignedInt(cmd.argument))
 819                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 820                 else
 821                         pasteSelection(cur, 0);
 822                 cur.clearSelection(); // bug 393
 823                 bv->switchKeyMap();
 824                 finishUndo();
 825                 break;
 826
 827         case LFUN_CUT:
 828                 cutSelection(cur, true, true);
 829                 cur.message(_("Cut"));
 830                 break;
 831
 832         case LFUN_COPY:
 833                 copySelection(cur);
 834                 cur.message(_("Copy"));
 835                 break;
 836
 837         case LFUN_GETXY:
 838                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 839                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 840                 break;
 841
 842         case LFUN_SETXY: {
 843                 int x = 0;
 844                 int y = 0;
 845                 istringstream is(cmd.argument);
 846                 is >> x >> y;
 847                 if (!is)
 848                         lyxerr << "SETXY: Could not parse coordinates in '"
 849                                << cmd.argument << std::endl;
 850                 else
 851                         setCursorFromCoordinates(cur, x, y);
 852                 break;
 853         }
 854
 855         case LFUN_GETFONT:
 856                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 857                         cur.message("E");
 858                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 859                         cur.message("N");
 860                 else
 861                         cur.message("0");
 862                 break;
 863
 864         case LFUN_GETLAYOUT:
 865                 cur.message(cur.paragraph().layout()->name());
 866                 break;
 867
 868         case LFUN_LAYOUT: {
 869                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 870                   << cmd.argument << endl;
 871
 872                 // This is not the good solution to the empty argument
 873                 // problem, but it will hopefully suffice for 1.2.0.
 874                 // The correct solution would be to augument the
 875                 // function list/array with information about what
 876                 // functions needs arguments and their type.
 877                 if (cmd.argument.empty()) {
 878                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 879                         break;
 880                 }
 881
 882                 // Derive layout number from given argument (string)
 883                 // and current buffer's textclass (number)
 884                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 885                 bool hasLayout = tclass.hasLayout(cmd.argument);
 886                 string layout = cmd.argument;
 887
 888                 // If the entry is obsolete, use the new one instead.
 889                 if (hasLayout) {
 890                         string const & obs = tclass[layout]->obsoleted_by();
 891                         if (!obs.empty())
 892                                 layout = obs;
 893                 }
 894
 895                 if (!hasLayout) {
 896                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 897                                 N_(" not known"));
 898                         break;
 899                 }
 900
 901                 bool change_layout = (current_layout != layout);
 902
 903                 if (!change_layout && cur.selection() &&
 904                         cur.selBegin().pit() != cur.selEnd().pit())
 905                 {
 906                         pit_type spit = cur.selBegin().pit();
 907                         pit_type epit = cur.selEnd().pit() + 1;
 908                         while (spit != epit) {
 909                                 if (pars_[spit].layout()->name() != current_layout) {
 910                                         change_layout = true;
 911                                         break;
 912                                 }
 913                                 ++spit;
 914                         }
 915                 }
 916
 917                 if (change_layout) {
 918                         current_layout = layout;
 919                         setLayout(cur, layout);
 920                         bv->owner()->setLayout(layout);
 921                         bv->switchKeyMap();
 922                 }
 923                 break;
 924         }
 925
 926         case LFUN_PASTESELECTION: {
 927                 cur.clearSelection();
 928                 string const clip = bv->getClipboard();
 929                 if (!clip.empty()) {
 930                         recordUndo(cur);
 931                         if (cmd.argument == "paragraph")
 932                                 insertStringAsParagraphs(cur, clip);
 933                         else
 934                                 insertStringAsLines(cur, clip);
 935                 }
 936                 break;
 937         }
 938
 939         case LFUN_QUOTE: {
 940                 lyx::cap::replaceSelection(cur);
 941                 Paragraph & par = cur.paragraph();
 942                 lyx::pos_type pos = cur.pos();
 943                 char c;
 944                 if (pos == 0)
 945                         c = ' ';
 946                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 947                         c = ' ';
 948                 else
 949                         c = par.getChar(pos - 1);
 950
 951                 LyXLayout_ptr const & style = par.layout();
 952
 953                 BufferParams const & bufparams = bv->buffer()->params();
 954                 if (!style->pass_thru
 955                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 956                         string arg = cmd.argument;
 957                         if (arg == "single")
 958                                 cur.insert(new InsetQuotes(c,
 959                                     bufparams.quotes_language,
 960                                     InsetQuotes::SingleQ));
 961                         else if (arg == "double")
 962                                 cur.insert(new InsetQuotes(c,
 963                                     bufparams.quotes_language,
 964                                     InsetQuotes::DoubleQ));
 965                         else
 966                                 cur.insert(new InsetQuotes(c, bufparams));
 967                         cur.posRight();
 968                 }
 969                 else
 970                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 971                 break;
 972         }
 973
 974         case LFUN_DATE_INSERT:
 975                 if (cmd.argument.empty())
 976                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 977                                 lyx::formatted_time(lyx::current_time())));
 978                 else
 979                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 980                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 981                 break;
 982
 983         case LFUN_MOUSE_TRIPLE:
 984                 if (cmd.button() == mouse_button::button1) {
 985                         cursorHome(cur);
 986                         cur.resetAnchor();
 987                         cursorEnd(cur);
 988                         cur.setSelection();
 989                         bv->cursor() = cur;
 990                         bv->haveSelection(cur.selection());
 991                 }
 992                 break;
 993
 994         case LFUN_MOUSE_DOUBLE:
 995                 if (cmd.button() == mouse_button::button1) {
 996                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 997                         bv->cursor() = cur;
 998                         bv->haveSelection(cur.selection());
 999                 }
1000                 break;
1001
1002         // Single-click on work area
1003         case LFUN_MOUSE_PRESS: {
1004                 // Right click on a footnote flag opens float menu
1005                 if (cmd.button() == mouse_button::button3) {
1006                         cur.clearSelection();
1007                         break;
1008                 }
1009
1010                 // Middle button press pastes if we have a selection
1011                 // We do this here as if the selection was inside an inset
1012                 // it could get cleared on the unlocking of the inset so
1013                 // we have to check this first
1014                 bool paste_internally = false;
1015                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1016                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1017                         paste_internally = true;
1018                 }
1019
1020                 // Clear the selection
1021                 cur.clearSelection();
1022
1023                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1024                 cur.resetAnchor();
1025                 finishUndo();
1026                 cur.setTargetX();
1027
1028                 // Has the cursor just left the inset?
1029                 if (bv->cursor().inMathed() && !cur.inMathed())
1030                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1031
1032                 // Set cursor here.
1033                 bv->cursor() = cur;
1034
1035                 // Insert primary selection with middle mouse
1036                 // if there is a local selection in the current buffer,
1037                 // insert this
1038                 if (cmd.button() == mouse_button::button2) {
1039                         if (paste_internally)
1040                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1041                         else
1042                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1043                 }
1044
1045                 break;
1046         }
1047
1048         case LFUN_MOUSE_MOTION: {
1049                 // Only use motion with button 1
1050                 //if (cmd.button() != mouse_button::button1)
1051                 //      return false;
1052
1053                 // ignore motions deeper nested than the real anchor
1054                 LCursor & bvcur = cur.bv().cursor();
1055                 if (bvcur.anchor_.hasPart(cur)) {
1056                         CursorSlice old = bvcur.top();
1057
1058                         int const wh = bv->workHeight();
1059                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1060
1061                         setCursorFromCoordinates(cur, cmd.x, y);
1062                         cur.x_target() = cmd.x;
1063                         if (cmd.y >= wh)
1064                                 cursorDown(cur);
1065                         else if (cmd.y < 0)
1066                                 cursorUp(cur);
1067                         // This is to allow jumping over large insets
1068                         if (cur.top() == old) {
1069                                 if (cmd.y >= wh)
1070                                         cursorDown(cur);
1071                                 else if (cmd.y < 0)
1072                                         cursorUp(cur);
1073                         }
1074
1075                         if (cur.top() == old)
1076                                 cur.noUpdate();
1077                         else {
1078                                 // don't set anchor_
1079                                 bvcur.setCursor(cur);
1080                                 bvcur.selection() = true;
1081                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1082                         }
1083
1084                 } else
1085                         cur.undispatched();
1086                 break;
1087         }
1088
1089         case LFUN_MOUSE_RELEASE: {
1090                 if (cmd.button() == mouse_button::button2)
1091                         break;
1092
1093                 // finish selection
1094                 if (cmd.button() == mouse_button::button1)
1095                         bv->haveSelection(cur.selection());
1096
1097                 bv->switchKeyMap();
1098                 bv->owner()->updateMenubar();
1099                 bv->owner()->updateToolbars();
1100                 break;
1101         }
1102
1103         case LFUN_SELFINSERT: {
1104                 if (cmd.argument.empty())
1105                         break;
1106
1107                 // Automatically delete the currently selected
1108                 // text and replace it with what is being
1109                 // typed in now. Depends on lyxrc settings
1110                 // "auto_region_delete", which defaults to
1111                 // true (on).
1112
1113                 if (lyxrc.auto_region_delete) {
1114                         if (cur.selection())
1115                                 cutSelection(cur, false, false);
1116                         bv->haveSelection(false);
1117                 }
1118
1119                 cur.clearSelection();
1120                 LyXFont const old_font = real_current_font;
1121
1122                 // Prevents language turds in new lyxtexts under non-english
1123                 BufferParams const & bufparams = cur.buffer().params();
1124                 Language const * lang = cur.paragraph().getParLanguage(bufparams);
1125                 current_font.setLanguage(lang);
1126                 real_current_font.setLanguage(lang);
1127
1128                 string::const_iterator cit = cmd.argument.begin();
1129                 string::const_iterator end = cmd.argument.end();
1130                 for (; cit != end; ++cit)
1131                         bv->owner()->getIntl().getTransManager().
1132                                 TranslateAndInsert(*cit, this);
1133
1134                 cur.resetAnchor();
1135                 moveCursor(cur, false);
1136                 bv->updateScrollbar();
1137                 break;
1138         }
1139
1140         case LFUN_URL: {
1141                 InsetCommandParams p("url");
1142                 string const data = InsetCommandMailer::params2string("url", p);
1143                 bv->owner()->getDialogs().show("url", data, 0);
1144                 break;
1145         }
1146
1147         case LFUN_HTMLURL: {
1148                 InsetCommandParams p("htmlurl");
1149                 string const data = InsetCommandMailer::params2string("url", p);
1150                 bv->owner()->getDialogs().show("url", data, 0);
1151                 break;
1152         }
1153
1154         case LFUN_INSERT_LABEL: {
1155                 // Try to generate a valid label
1156                 string const contents = cmd.argument.empty() ?
1157                         cur.getPossibleLabel() : cmd.argument;
1158
1159                 InsetCommandParams p("label", contents);
1160                 string const data = InsetCommandMailer::params2string("label", p);
1161
1162                 if (cmd.argument.empty()) {
1163                         bv->owner()->getDialogs().show("label", data, 0);
1164                 } else {
1165                         FuncRequest fr(LFUN_INSET_INSERT, data);
1166                         dispatch(cur, fr);
1167                 }
1168                 break;
1169         }
1170
1171
1172 #if 0
1173         case LFUN_INSET_LIST:
1174         case LFUN_INSET_THEOREM:
1175         case LFUN_INSET_CAPTION:
1176 #endif
1177         case LFUN_INSERT_NOTE:
1178         case LFUN_INSERT_CHARSTYLE:
1179         case LFUN_INSERT_BOX:
1180         case LFUN_INSERT_BRANCH:
1181         case LFUN_INSERT_BIBITEM:
1182         case LFUN_INSET_ERT:
1183         case LFUN_INSET_FOOTNOTE:
1184         case LFUN_INSET_MARGINAL:
1185         case LFUN_INSET_OPTARG:
1186         case LFUN_ENVIRONMENT_INSERT:
1187                 // Open the inset, and move the current selection
1188                 // inside it.
1189                 doInsertInset(cur, this, cmd, true, true);
1190                 cur.posRight();
1191                 break;
1192
1193         case LFUN_TABULAR_INSERT:
1194                 // if there were no arguments, just open the dialog
1195                 if (doInsertInset(cur, this, cmd, false, true))
1196                         cur.posRight();
1197                 else
1198                         bv->owner()->getDialogs().show("tabularcreate");
1199
1200                 break;
1201
1202         case LFUN_INSET_FLOAT:
1203         case LFUN_INSET_WIDE_FLOAT:
1204         case LFUN_INSET_WRAP:
1205                 doInsertInset(cur, this, cmd, true, true);
1206                 cur.posRight();
1207                 // FIXME: the "Caption" name should not be hardcoded,
1208                 // but given by the float definition.
1209                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1210                 break;
1211
1212         case LFUN_INDEX_INSERT:
1213                 // Just open the inset
1214                 doInsertInset(cur, this, cmd, true, false);
1215                 cur.posRight();
1216                 break;
1217
1218         case LFUN_INDEX_PRINT:
1219         case LFUN_TOC_INSERT:
1220         case LFUN_HFILL:
1221         case LFUN_INSERT_LINE:
1222         case LFUN_INSERT_PAGEBREAK:
1223                 // do nothing fancy
1224                 doInsertInset(cur, this, cmd, false, false);
1225                 cur.posRight();
1226                 break;
1227
1228         case LFUN_DEPTH_MIN:
1229                 changeDepth(cur, DEC_DEPTH);
1230                 break;
1231
1232         case LFUN_DEPTH_PLUS:
1233                 changeDepth(cur, INC_DEPTH);
1234                 break;
1235
1236         case LFUN_MATH_DISPLAY:
1237                 mathDispatch(cur, cmd, true);
1238                 break;
1239
1240         case LFUN_MATH_IMPORT_SELECTION:
1241         case LFUN_MATH_MODE:
1242                 if (cmd.argument == "on")
1243                         // don't pass "on" as argument
1244                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1245                 else
1246                         mathDispatch(cur, cmd, false);
1247                 break;
1248
1249         case LFUN_MATH_MACRO:
1250                 if (cmd.argument.empty())
1251                         cur.errorMessage(N_("Missing argument"));
1252                 else {
1253                         string s = cmd.argument;
1254                         string const s1 = token(s, ' ', 1);
1255                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1256                         string const s2 = token(s, ' ', 2);
1257                         string const type = s2.empty() ? "newcommand" : s2;
1258                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1259                         //cur.nextInset()->edit(cur, true);
1260                 }
1261                 break;
1262
1263         // passthrough hat and underscore outside mathed:
1264         case LFUN_SUBSCRIPT:
1265                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1266                 break;
1267         case LFUN_SUPERSCRIPT:
1268                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1269                 break;
1270
1271         case LFUN_INSERT_MATH:
1272         case LFUN_INSERT_MATRIX:
1273         case LFUN_MATH_DELIM: {
1274                 cur.insert(new MathHullInset);
1275                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1276                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1277                 cur.dispatch(cmd);
1278                 break;
1279         }
1280
1281         case LFUN_EMPH: {
1282                 LyXFont font(LyXFont::ALL_IGNORE);
1283                 font.setEmph(LyXFont::TOGGLE);
1284                 toggleAndShow(cur, this, font);
1285                 break;
1286         }
1287
1288         case LFUN_BOLD: {
1289                 LyXFont font(LyXFont::ALL_IGNORE);
1290                 font.setSeries(LyXFont::BOLD_SERIES);
1291                 toggleAndShow(cur, this, font);
1292                 break;
1293         }
1294
1295         case LFUN_NOUN: {
1296                 LyXFont font(LyXFont::ALL_IGNORE);
1297                 font.setNoun(LyXFont::TOGGLE);
1298                 toggleAndShow(cur, this, font);
1299                 break;
1300         }
1301
1302         case LFUN_CODE: {
1303                 LyXFont font(LyXFont::ALL_IGNORE);
1304                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1305                 toggleAndShow(cur, this, font);
1306                 break;
1307         }
1308
1309         case LFUN_SANS: {
1310                 LyXFont font(LyXFont::ALL_IGNORE);
1311                 font.setFamily(LyXFont::SANS_FAMILY);
1312                 toggleAndShow(cur, this, font);
1313                 break;
1314         }
1315
1316         case LFUN_ROMAN: {
1317                 LyXFont font(LyXFont::ALL_IGNORE);
1318                 font.setFamily(LyXFont::ROMAN_FAMILY);
1319                 toggleAndShow(cur, this, font);
1320                 break;
1321         }
1322
1323         case LFUN_DEFAULT: {
1324                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1325                 toggleAndShow(cur, this, font);
1326                 break;
1327         }
1328
1329         case LFUN_UNDERLINE: {
1330                 LyXFont font(LyXFont::ALL_IGNORE);
1331                 font.setUnderbar(LyXFont::TOGGLE);
1332                 toggleAndShow(cur, this, font);
1333                 break;
1334         }
1335
1336         case LFUN_FONT_SIZE: {
1337                 LyXFont font(LyXFont::ALL_IGNORE);
1338                 font.setLyXSize(cmd.argument);
1339                 toggleAndShow(cur, this, font);
1340                 break;
1341         }
1342
1343         case LFUN_LANGUAGE: {
1344                 Language const * lang = languages.getLanguage(cmd.argument);
1345                 if (!lang)
1346                         break;
1347                 LyXFont font(LyXFont::ALL_IGNORE);
1348                 font.setLanguage(lang);
1349                 toggleAndShow(cur, this, font);
1350                 bv->switchKeyMap();
1351                 break;
1352         }
1353
1354         case LFUN_FREEFONT_APPLY:
1355                 toggleAndShow(cur, this, freefont, toggleall);
1356                 cur.message(_("Character set"));
1357                 break;
1358
1359         // Set the freefont using the contents of \param data dispatched from
1360         // the frontends and apply it at the current cursor location.
1361         case LFUN_FREEFONT_UPDATE: {
1362                 LyXFont font;
1363                 bool toggle;
1364                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1365                         freefont = font;
1366                         toggleall = toggle;
1367                         toggleAndShow(cur, this, freefont, toggleall);
1368                         cur.message(_("Character set"));
1369                 }
1370                 break;
1371         }
1372
1373         case LFUN_FINISHED_LEFT:
1374                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1375                 break;
1376
1377         case LFUN_FINISHED_RIGHT:
1378                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1379                 ++cur.pos();
1380                 break;
1381
1382         case LFUN_FINISHED_UP:
1383                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1384                 cursorUp(cur);
1385                 break;
1386
1387         case LFUN_FINISHED_DOWN:
1388                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1389                 cursorDown(cur);
1390                 break;
1391
1392         case LFUN_LAYOUT_PARAGRAPH: {
1393                 string data;
1394                 params2string(cur.paragraph(), data);
1395                 data = "show\n" + data;
1396                 bv->owner()->getDialogs().show("paragraph", data);
1397                 break;
1398         }
1399
1400         case LFUN_PARAGRAPH_UPDATE: {
1401                 if (!bv->owner()->getDialogs().visible("paragraph"))
1402                         break;
1403                 string data;
1404                 params2string(cur.paragraph(), data);
1405
1406                 // Will the paragraph accept changes from the dialog?
1407                 InsetBase & inset = cur.inset();
1408                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1409
1410                 data = "update " + convert<string>(accept) + '\n' + data;
1411                 bv->owner()->getDialogs().update("paragraph", data);
1412                 break;
1413         }
1414
1415         case LFUN_UMLAUT:
1416         case LFUN_CIRCUMFLEX:
1417         case LFUN_GRAVE:
1418         case LFUN_ACUTE:
1419         case LFUN_TILDE:
1420         case LFUN_CEDILLA:
1421         case LFUN_MACRON:
1422         case LFUN_DOT:
1423         case LFUN_UNDERDOT:
1424         case LFUN_UNDERBAR:
1425         case LFUN_CARON:
1426         case LFUN_SPECIAL_CARON:
1427         case LFUN_BREVE:
1428         case LFUN_TIE:
1429         case LFUN_HUNG_UMLAUT:
1430         case LFUN_CIRCLE:
1431         case LFUN_OGONEK:
1432                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1433                 if (!cmd.argument.empty())
1434                         bv->owner()->getIntl().getTransManager()
1435                                 .TranslateAndInsert(cmd.argument[0], this);
1436                 break;
1437
1438         case LFUN_FLOAT_LIST: {
1439                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1440                 if (tclass.floats().typeExist(cmd.argument)) {
1441                         // not quite sure if we want this...
1442                         recordUndo(cur);
1443                         cur.clearSelection();
1444                         breakParagraph(cur);
1445
1446                         if (cur.lastpos() != 0) {
1447                                 cursorLeft(cur);
1448                                 breakParagraph(cur);
1449                         }
1450
1451                         setLayout(cur, tclass.defaultLayoutName());
1452                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1453                         insertInset(cur, new InsetFloatList(cmd.argument));
1454                         cur.posRight();
1455                 } else {
1456                         lyxerr << "Non-existent float type: "
1457                                << cmd.argument << endl;
1458                 }
1459                 break;
1460         }
1461
1462         case LFUN_ACCEPT_CHANGE: {
1463                 acceptChange(cur);
1464                 break;
1465         }
1466
1467         case LFUN_REJECT_CHANGE: {
1468                 rejectChange(cur);
1469                 break;
1470         }
1471
1472         case LFUN_THESAURUS_ENTRY: {
1473                 string arg = cmd.argument;
1474                 if (arg.empty()) {
1475                         arg = cur.selectionAsString(false);
1476                         // FIXME
1477                         if (arg.size() > 100 || arg.empty()) {
1478                                 // Get word or selection
1479                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1480                                 arg = cur.selectionAsString(false);
1481                         }
1482                 }
1483                 bv->owner()->getDialogs().show("thesaurus", arg);
1484                 break;
1485         }
1486
1487         case LFUN_PARAGRAPH_APPLY: {
1488                 // Given data, an encoding of the ParagraphParameters
1489                 // generated in the Paragraph dialog, this function sets
1490                 // the current paragraph appropriately.
1491                 istringstream is(cmd.argument);
1492                 LyXLex lex(0, 0);
1493                 lex.setStream(is);
1494                 ParagraphParameters params;
1495                 params.read(lex);
1496                 setParagraph(cur,
1497                                          params.spacing(),
1498                                          params.align(),
1499                                          params.labelWidthString(),
1500                                          params.noindent());
1501                 cur.message(_("Paragraph layout set"));
1502                 break;
1503         }
1504
1505         case LFUN_INSET_DIALOG_SHOW: {
1506                 InsetBase * inset = cur.nextInset();
1507                 if (inset) {
1508                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1509                         inset->dispatch(cur, fr);
1510                 }
1511                 break;
1512         }
1513
1514         case LFUN_ESCAPE:
1515                 if (cur.selection()) {
1516                         cur.selection() = false;
1517                 } else {
1518                         cur.undispatched();
1519                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1520                 }
1521                 break;
1522
1523         default:
1524                 lyxerr[Debug::ACTION]
1525                         << BOOST_CURRENT_FUNCTION
1526                         << ": Command " << cmd
1527                         << " not DISPATCHED by LyXText" << endl;
1528                 cur.undispatched();
1529                 break;
1530         }
1531
1532         if (singleParUpdate)
1533                 // Inserting characters does not change par height
1534                 if (cur.paragraph().dim().asc == olddim.asc
1535                  && cur.paragraph().dim().des == olddim.des) {
1536                         // if so, update _only_ this paragraph
1537                         cur.bv().update(Update::SinglePar | Update::Force);
1538                 } else
1539                         needsUpdate = true;
1540         if (!needsUpdate
1541             && &oldTopSlice.inset() == &cur.inset()
1542             && oldTopSlice.idx() == cur.idx()
1543             && !sel
1544             && !cur.selection())
1545                 cur.noUpdate();
1546         else
1547                 cur.needsUpdate();
1548 }
1549
1550
1551 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1552                         FuncStatus & flag) const
1553 {
1554         BOOST_ASSERT(cur.text() == this);
1555         LyXFont const & font = real_current_font;
1556         bool enable = true;
1557
1558         switch (cmd.action) {
1559
1560         case LFUN_DEPTH_MIN:
1561                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1562                 break;
1563
1564         case LFUN_DEPTH_PLUS:
1565                 enable = changeDepthAllowed(cur, INC_DEPTH);
1566                 break;
1567
1568         case LFUN_INSET_OPTARG:
1569                 enable = numberOfOptArgs(cur.paragraph())
1570                         < cur.paragraph().layout()->optionalargs;
1571                 break;
1572
1573         case LFUN_APPENDIX:
1574                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1575                 return true;
1576
1577         case LFUN_INSERT_BIBITEM:
1578                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1579                 break;
1580
1581 #if 0
1582         // the functions which insert insets
1583         InsetBase::Code code = InsetBase::NO_CODE;
1584         switch (cmd.action) {
1585         case LFUN_DIALOG_SHOW_NEW_INSET:
1586                 if (cmd.argument == "bibitem")
1587                         code = InsetBase::BIBITEM_CODE;
1588                 else if (cmd.argument == "bibtex")
1589                         code = InsetBase::BIBTEX_CODE;
1590                 else if (cmd.argument == "box")
1591                         code = InsetBase::BOX_CODE;
1592                 else if (cmd.argument == "branch")
1593                         code = InsetBase::BRANCH_CODE;
1594                 else if (cmd.argument == "citation")
1595                         code = InsetBase::CITE_CODE;
1596                 else if (cmd.argument == "ert")
1597                         code = InsetBase::ERT_CODE;
1598                 else if (cmd.argument == "external")
1599                         code = InsetBase::EXTERNAL_CODE;
1600                 else if (cmd.argument == "float")
1601                         code = InsetBase::FLOAT_CODE;
1602                 else if (cmd.argument == "graphics")
1603                         code = InsetBase::GRAPHICS_CODE;
1604                 else if (cmd.argument == "include")
1605                         code = InsetBase::INCLUDE_CODE;
1606                 else if (cmd.argument == "index")
1607                         code = InsetBase::INDEX_CODE;
1608                 else if (cmd.argument == "label")
1609                         code = InsetBase::LABEL_CODE;
1610                 else if (cmd.argument == "note")
1611                         code = InsetBase::NOTE_CODE;
1612                 else if (cmd.argument == "ref")
1613                         code = InsetBase::REF_CODE;
1614                 else if (cmd.argument == "toc")
1615                         code = InsetBase::TOC_CODE;
1616                 else if (cmd.argument == "url")
1617                         code = InsetBase::URL_CODE;
1618                 else if (cmd.argument == "vspace")
1619                         code = InsetBase::VSPACE_CODE;
1620                 else if (cmd.argument == "wrap")
1621                         code = InsetBase::WRAP_CODE;
1622                 break;
1623
1624         case LFUN_INSET_ERT:
1625                 code = InsetBase::ERT_CODE;
1626                 break;
1627         case LFUN_INSET_FOOTNOTE:
1628                 code = InsetBase::FOOT_CODE;
1629                 break;
1630         case LFUN_TABULAR_INSERT:
1631                 code = InsetBase::TABULAR_CODE;
1632                 break;
1633         case LFUN_INSET_MARGINAL:
1634                 code = InsetBase::MARGIN_CODE;
1635                 break;
1636         case LFUN_INSET_FLOAT:
1637         case LFUN_INSET_WIDE_FLOAT:
1638                 code = InsetBase::FLOAT_CODE;
1639                 break;
1640         case LFUN_INSET_WRAP:
1641                 code = InsetBase::WRAP_CODE;
1642                 break;
1643         case LFUN_FLOAT_LIST:
1644                 code = InsetBase::FLOAT_LIST_CODE;
1645                 break;
1646 #if 0
1647         case LFUN_INSET_LIST:
1648                 code = InsetBase::LIST_CODE;
1649                 break;
1650         case LFUN_INSET_THEOREM:
1651                 code = InsetBase::THEOREM_CODE;
1652                 break;
1653 #endif
1654         case LFUN_INSET_CAPTION:
1655                 code = InsetBase::CAPTION_CODE;
1656                 break;
1657         case LFUN_INSERT_NOTE:
1658                 code = InsetBase::NOTE_CODE;
1659                 break;
1660         case LFUN_INSERT_CHARSTYLE:
1661                 code = InsetBase::CHARSTYLE_CODE;
1662                 if (buf->params().getLyXTextClass().charstyles().empty())
1663                         enable = false;
1664                 break;
1665         case LFUN_INSERT_BOX:
1666                 code = InsetBase::BOX_CODE;
1667                 break;
1668         case LFUN_INSERT_BRANCH:
1669                 code = InsetBase::BRANCH_CODE;
1670                 if (buf->params().branchlist().empty())
1671                         enable = false;
1672                 break;
1673         case LFUN_INSERT_LABEL:
1674                 code = InsetBase::LABEL_CODE;
1675                 break;
1676         case LFUN_INSET_OPTARG:
1677                 code = InsetBase::OPTARG_CODE;
1678                 break;
1679         case LFUN_ENVIRONMENT_INSERT:
1680                 code = InsetBase::BOX_CODE;
1681                 break;
1682         case LFUN_INDEX_INSERT:
1683                 code = InsetBase::INDEX_CODE;
1684                 break;
1685         case LFUN_INDEX_PRINT:
1686                 code = InsetBase::INDEX_PRINT_CODE;
1687                 break;
1688         case LFUN_TOC_INSERT:
1689                 code = InsetBase::TOC_CODE;
1690                 break;
1691         case LFUN_HTMLURL:
1692         case LFUN_URL:
1693                 code = InsetBase::URL_CODE;
1694                 break;
1695         case LFUN_QUOTE:
1696                 // always allow this, since we will inset a raw quote
1697                 // if an inset is not allowed.
1698                 break;
1699         case LFUN_HYPHENATION:
1700         case LFUN_LIGATURE_BREAK:
1701         case LFUN_HFILL:
1702         case LFUN_MENU_SEPARATOR:
1703         case LFUN_LDOTS:
1704         case LFUN_END_OF_SENTENCE:
1705                 code = InsetBase::SPECIALCHAR_CODE;
1706                 break;
1707         case LFUN_SPACE_INSERT:
1708                 // slight hack: we know this is allowed in math mode
1709                 if (cur.inTexted())
1710                         code = InsetBase::SPACE_CODE;
1711                 break;
1712         case LFUN_INSET_DIALOG_SHOW: {
1713                 InsetBase * inset = cur.nextInset();
1714                 enable = inset;
1715                 if (inset) {
1716                         code = inset->lyxCode();
1717                         if (!(code == InsetBase::INCLUDE_CODE
1718                                 || code == InsetBase::BIBTEX_CODE
1719                                 || code == InsetBase::FLOAT_LIST_CODE
1720                                 || code == InsetBase::TOC_CODE))
1721                                 enable = false;
1722                 }
1723                 break;
1724         }
1725         default:
1726                 break;
1727         }
1728
1729         if (code != InsetBase::NO_CODE
1730                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1731                 enable = false;
1732
1733 #endif
1734
1735         case LFUN_DIALOG_SHOW_NEW_INSET:
1736         case LFUN_INSET_ERT:
1737         case LFUN_INSERT_BOX:
1738         case LFUN_INSERT_BRANCH:
1739         case LFUN_ENVIRONMENT_INSERT:
1740         case LFUN_INDEX_INSERT:
1741         case LFUN_INDEX_PRINT:
1742         case LFUN_TOC_INSERT:
1743         case LFUN_HTMLURL:
1744         case LFUN_URL:
1745         case LFUN_QUOTE:
1746         case LFUN_HYPHENATION:
1747         case LFUN_LIGATURE_BREAK:
1748         case LFUN_HFILL:
1749         case LFUN_MENU_SEPARATOR:
1750         case LFUN_LDOTS:
1751         case LFUN_END_OF_SENTENCE:
1752         case LFUN_SPACE_INSERT:
1753         case LFUN_INSET_DIALOG_SHOW:
1754                 break;
1755
1756         case LFUN_INSET_MODIFY:
1757                 // We need to disable this, because we may get called for a
1758                 // tabular cell via
1759                 // InsetTabular::getStatus() -> InsetText::getStatus()
1760                 // and we don't handle LFUN_INSET_MODIFY.
1761                 enable = false;
1762                 break;
1763
1764         case LFUN_EMPH:
1765                 flag.setOnOff(font.emph() == LyXFont::ON);
1766                 return true;
1767
1768         case LFUN_NOUN:
1769                 flag.setOnOff(font.noun() == LyXFont::ON);
1770                 return true;
1771
1772         case LFUN_BOLD:
1773                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1774                 return true;
1775
1776         case LFUN_SANS:
1777                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1778                 return true;
1779
1780         case LFUN_ROMAN:
1781                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1782                 return true;
1783
1784         case LFUN_CODE:
1785                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1786                 return true;
1787
1788         case LFUN_DELETE_WORD_FORWARD:
1789         case LFUN_DELETE_WORD_BACKWARD:
1790         case LFUN_DELETE_LINE_FORWARD:
1791         case LFUN_WORDRIGHT:
1792         case LFUN_WORDLEFT:
1793         case LFUN_RIGHT:
1794         case LFUN_RIGHTSEL:
1795         case LFUN_LEFT:
1796         case LFUN_LEFTSEL:
1797         case LFUN_UP:
1798         case LFUN_UPSEL:
1799         case LFUN_DOWN:
1800         case LFUN_DOWNSEL:
1801         case LFUN_UP_PARAGRAPHSEL:
1802         case LFUN_DOWN_PARAGRAPHSEL:
1803         case LFUN_PRIORSEL:
1804         case LFUN_NEXTSEL:
1805         case LFUN_HOMESEL:
1806         case LFUN_ENDSEL:
1807         case LFUN_WORDRIGHTSEL:
1808         case LFUN_WORDLEFTSEL:
1809         case LFUN_WORDSEL:
1810         case LFUN_UP_PARAGRAPH:
1811         case LFUN_DOWN_PARAGRAPH:
1812         case LFUN_PRIOR:
1813         case LFUN_NEXT:
1814         case LFUN_HOME:
1815         case LFUN_END:
1816         case LFUN_BREAKLINE:
1817         case LFUN_DELETE:
1818         case LFUN_DELETE_SKIP:
1819         case LFUN_BACKSPACE:
1820         case LFUN_BACKSPACE_SKIP:
1821         case LFUN_BREAKPARAGRAPH:
1822         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1823         case LFUN_BREAKPARAGRAPH_SKIP:
1824         case LFUN_PARAGRAPH_SPACING:
1825         case LFUN_INSET_INSERT:
1826         case LFUN_NEXT_INSET_TOGGLE:
1827         case LFUN_UPCASE_WORD:
1828         case LFUN_LOWCASE_WORD:
1829         case LFUN_CAPITALIZE_WORD:
1830         case LFUN_TRANSPOSE_CHARS:
1831         case LFUN_PASTE:
1832         case LFUN_CUT:
1833         case LFUN_COPY:
1834         case LFUN_GETXY:
1835         case LFUN_SETXY:
1836         case LFUN_GETFONT:
1837         case LFUN_GETLAYOUT:
1838         case LFUN_LAYOUT:
1839         case LFUN_PASTESELECTION:
1840         case LFUN_DATE_INSERT:
1841         case LFUN_SELFINSERT:
1842         case LFUN_INSERT_LABEL:
1843         case LFUN_INSERT_NOTE:
1844         case LFUN_INSERT_CHARSTYLE:
1845         case LFUN_INSET_FLOAT:
1846         case LFUN_INSET_FOOTNOTE:
1847         case LFUN_INSET_MARGINAL:
1848         case LFUN_INSET_WIDE_FLOAT:
1849         case LFUN_INSET_WRAP:
1850         case LFUN_TABULAR_INSERT:
1851         case LFUN_INSERT_LINE:
1852         case LFUN_INSERT_PAGEBREAK:
1853         case LFUN_MATH_DISPLAY:
1854         case LFUN_MATH_IMPORT_SELECTION:
1855         case LFUN_MATH_MODE:
1856         case LFUN_MATH_MACRO:
1857         case LFUN_INSERT_MATH:
1858         case LFUN_INSERT_MATRIX:
1859         case LFUN_MATH_DELIM:
1860         case LFUN_SUBSCRIPT:
1861         case LFUN_SUPERSCRIPT:
1862         case LFUN_DEFAULT:
1863         case LFUN_UNDERLINE:
1864         case LFUN_FONT_SIZE:
1865         case LFUN_LANGUAGE:
1866         case LFUN_FREEFONT_APPLY:
1867         case LFUN_FREEFONT_UPDATE:
1868         case LFUN_LAYOUT_PARAGRAPH:
1869         case LFUN_PARAGRAPH_UPDATE:
1870         case LFUN_UMLAUT:
1871         case LFUN_CIRCUMFLEX:
1872         case LFUN_GRAVE:
1873         case LFUN_ACUTE:
1874         case LFUN_TILDE:
1875         case LFUN_CEDILLA:
1876         case LFUN_MACRON:
1877         case LFUN_DOT:
1878         case LFUN_UNDERDOT:
1879         case LFUN_UNDERBAR:
1880         case LFUN_CARON:
1881         case LFUN_SPECIAL_CARON:
1882         case LFUN_BREVE:
1883         case LFUN_TIE:
1884         case LFUN_HUNG_UMLAUT:
1885         case LFUN_CIRCLE:
1886         case LFUN_OGONEK:
1887         case LFUN_FLOAT_LIST:
1888         case LFUN_ACCEPT_CHANGE:
1889         case LFUN_REJECT_CHANGE:
1890         case LFUN_THESAURUS_ENTRY:
1891         case LFUN_PARAGRAPH_APPLY:
1892         case LFUN_ESCAPE:
1893         case LFUN_KEYMAP_TOGGLE:
1894         case LFUN_ENDBUF:
1895         case LFUN_BEGINNINGBUF:
1896         case LFUN_BEGINNINGBUFSEL:
1897         case LFUN_ENDBUFSEL:
1898                 // these are handled in our dispatch()
1899                 enable = true;
1900                 break;
1901
1902         default:
1903                 return false;
1904         }
1905         flag.enabled(enable);
1906         return true;
1907 }