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 "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "dispatchresult.h"
  32 #include "factory.h"
  33 #include "funcrequest.h"
  34 #include "gettext.h"
  35 #include "intl.h"
  36 #include "language.h"
  37 #include "LyXAction.h"
  38 #include "lyxfunc.h"
  39 #include "lyxlex.h"
  40 #include "lyxrc.h"
  41 #include "lyxrow.h"
  42 #include "paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "undo.h"
  46 #include "vspace.h"
  47
  48 #include "frontends/Dialogs.h"
  49 #include "frontends/LyXView.h"
  50
  51 #include "insets/insetcommand.h"
  52 #include "insets/insetfloatlist.h"
  53 #include "insets/insetnewline.h"
  54 #include "insets/insetquotes.h"
  55 #include "insets/insetspecialchar.h"
  56 #include "insets/insettext.h"
  57
  58 #include "support/lstrings.h"
  59 #include "support/lyxlib.h"
  60 #include "support/convert.h"
  61 #include "support/lyxtime.h"
  62
  63 #include "mathed/math_hullinset.h"
  64 #include "mathed/math_macrotemplate.h"
  65
  66 #include <boost/current_function.hpp>
  67
  68 #include <clocale>
  69 #include <sstream>
  70
  71 using lyx::pos_type;
  72
  73 using lyx::cap::copySelection;
  74 using lyx::cap::cutSelection;
  75 using lyx::cap::pasteSelection;
  76 using lyx::cap::replaceSelection;
  77
  78 using lyx::support::isStrUnsignedInt;
  79 using lyx::support::token;
  80
  81 using std::endl;
  82 using std::string;
  83 using std::istringstream;
  84
  85
  86 extern string current_layout;
  87
  88
  89 namespace {
  90
  91         // globals...
  92         LyXFont freefont(LyXFont::ALL_IGNORE);
  93         bool toggleall = false;
  94
  95
  96         void toggleAndShow(LCursor & cur, LyXText * text,
  97                 LyXFont const & font, bool toggleall = true)
  98         {
  99                 text->toggleFree(cur, font, toggleall);
 100
 101                 if (font.language() != ignore_language ||
 102                                 font.number() != LyXFont::IGNORE) {
 103                         Paragraph & par = cur.paragraph();
 104                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 105                         if (cur.boundary() !=
 106                                         text->bidi.isBoundary(cur.buffer(), par,
 107                                                         cur.pos(),
 108                                                         text->real_current_font))
 109                                 text->setCursor(cur, cur.pit(), cur.pos(),
 110                                                 false, !cur.boundary());
 111                 }
 112         }
 113
 114
 115         void moveCursor(LCursor & cur, bool selecting)
 116         {
 117                 if (selecting || cur.mark())
 118                         cur.setSelection();
 119                 if (!cur.selection())
 120                         cur.bv().haveSelection(false);
 121                 cur.bv().switchKeyMap();
 122         }
 123
 124
 125         void finishChange(LCursor & cur, bool selecting)
 126         {
 127                 finishUndo();
 128                 moveCursor(cur, selecting);
 129         }
 130
 131
 132         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 133         {
 134                 recordUndo(cur);
 135                 string sel = cur.selectionAsString(false);
 136                 //lyxerr << "selection is: '" << sel << "'" << endl;
 137
 138                 if (sel.empty()) {
 139                         const int old_pos = cur.pos();
 140                         cur.insert(new MathHullInset("simple"));
 141                         BOOST_ASSERT(old_pos == cur.pos());
 142                         cur.nextInset()->edit(cur, true);
 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                         // Avoid an unnecessary undo step if cmd.argument
 150                         // is empty
 151                         if (!cmd.argument.empty())
 152                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH,
 153                                                          cmd.argument));
 154                 } else {
 155                         // create a macro if we see "\\newcommand"
 156                         // somewhere, and an ordinary formula
 157                         // otherwise
 158                         cutSelection(cur, true, true);
 159                         if (sel.find("\\newcommand") == string::npos
 160                             && sel.find("\\def") == string::npos)
 161                         {
 162                                 cur.insert(new MathHullInset("simple"));
 163                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 164                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 165                         } else {
 166                                 istringstream is(sel);
 167                                 cur.insert(new MathMacroTemplate(is));
 168                         }
 169                 }
 170                 cur.message(N_("Math editor mode"));
 171         }
 172
 173 } // namespace anon
 174
 175
 176
 177 namespace bv_funcs {
 178
 179 string const freefont2string()
 180 {
 181         string data;
 182         if (font2string(freefont, toggleall, data))
 183                 return data;
 184         return string();
 185 }
 186
 187 }
 188
 189 bool LyXText::cursorPrevious(LCursor & cur)
 190 {
 191         pos_type cpos = cur.pos();
 192         lyx::pit_type cpar = cur.pit();
 193
 194         int x = cur.x_target();
 195
 196         bool updated = setCursorFromCoordinates(cur, x, 0);
 197         if (updated)
 198                 cur.bv().update();
 199         updated |= cursorUp(cur);
 200
 201         if (cpar == cur.pit() && cpos == cur.pos()) {
 202                 // we have a row which is taller than the workarea. The
 203                 // simplest solution is to move to the previous row instead.
 204                 updated |= cursorUp(cur);
 205         }
 206
 207         cur.bv().updateScrollbar();
 208         finishUndo();
 209         return updated;
 210 }
 211
 212
 213 bool LyXText::cursorNext(LCursor & cur)
 214 {
 215         pos_type cpos = cur.pos();
 216         lyx::pit_type cpar = cur.pit();
 217
 218         int x = cur.x_target();
 219         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 220         if (updated)
 221                 cur.bv().update();
 222         updated |= cursorDown(cur);
 223
 224         if (cpar == cur.pit() && cpos == cur.pos()) {
 225                 // we have a row which is taller than the workarea. The
 226                 // simplest solution is to move to the next row instead.
 227                 updated |= cursorDown(cur);
 228         }
 229
 230         cur.bv().updateScrollbar();
 231         finishUndo();
 232         return updated;
 233 }
 234
 235
 236 namespace {
 237
 238 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 239 {
 240         lyx::cap::replaceSelection(cur);
 241         cur.insert(new InsetSpecialChar(kind));
 242         cur.posRight();
 243 }
 244
 245
 246 bool doInsertInset(LCursor & cur, LyXText * text,
 247         FuncRequest const & cmd, bool edit, bool pastesel)
 248 {
 249         InsetBase * inset = createInset(&cur.bv(), cmd);
 250         if (!inset)
 251                 return false;
 252
 253         recordUndo(cur);
 254         bool gotsel = false;
 255         if (cur.selection()) {
 256                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 257                 gotsel = true;
 258         }
 259         text->insertInset(cur, inset);
 260
 261         if (edit)
 262                 inset->edit(cur, true);
 263
 264         if (gotsel && pastesel)
 265                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 266         return true;
 267 }
 268
 269
 270 void update(LCursor & cur)
 271 {
 272         //we don't call update(true, false) directly to save a metrics call
 273         if (cur.bv().fitCursor())
 274                 cur.bv().update(Update::Force);
 275 }
 276
 277
 278 } // anon namespace
 279
 280
 281 void LyXText::number(LCursor & cur)
 282 {
 283         LyXFont font(LyXFont::ALL_IGNORE);
 284         font.setNumber(LyXFont::TOGGLE);
 285         toggleAndShow(cur, this, font);
 286 }
 287
 288
 289 bool LyXText::isRTL(Paragraph const & par) const
 290 {
 291         return par.isRightToLeftPar(bv()->buffer()->params());
 292 }
 293
 294
 295 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 296 {
 297         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 298
 299         BOOST_ASSERT(cur.text() == this);
 300         BufferView * bv = &cur.bv();
 301         CursorSlice oldTopSlice = cur.top();
 302         bool oldBoundary = cur.boundary();
 303         bool sel = cur.selection();
 304         // Signals that, even if needsUpdate == false, an update of the
 305         // cursor paragraph is required
 306         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 307                 LyXAction::SingleParUpdate);
 308         // Signals that a full-screen update is required
 309         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 310                 LyXAction::NoUpdate) || singleParUpdate);
 311         // Remember the old paragraph metric
 312         Dimension olddim = cur.paragraph().dim();
 313
 314         switch (cmd.action) {
 315
 316         case LFUN_APPENDIX: {
 317                 Paragraph & par = cur.paragraph();
 318                 bool start = !par.params().startOfAppendix();
 319
 320 #ifdef WITH_WARNINGS
 321 #warning The code below only makes sense at top level.
 322 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 323 #endif
 324                 // ensure that we have only one start_of_appendix in this document
 325                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 326                         if (pars_[tmp].params().startOfAppendix()) {
 327                                 recUndo(tmp);
 328                                 pars_[tmp].params().startOfAppendix(false);
 329                                 break;
 330                         }
 331                 }
 332
 333                 recordUndo(cur);
 334                 par.params().startOfAppendix(start);
 335
 336                 // we can set the refreshing parameters now
 337                 updateCounters(cur.buffer());
 338                 break;
 339         }
 340
 341         case LFUN_DELETE_WORD_FORWARD:
 342                 cur.clearSelection();
 343                 deleteWordForward(cur);
 344                 finishChange(cur, false);
 345                 break;
 346
 347         case LFUN_DELETE_WORD_BACKWARD:
 348                 cur.clearSelection();
 349                 deleteWordBackward(cur);
 350                 finishChange(cur, false);
 351                 break;
 352
 353         case LFUN_DELETE_LINE_FORWARD:
 354                 cur.clearSelection();
 355                 deleteLineForward(cur);
 356                 finishChange(cur, false);
 357                 break;
 358
 359         case LFUN_WORDRIGHT:
 360                 if (!cur.mark())
 361                         cur.clearSelection();
 362                 if (isRTL(cur.paragraph()))
 363                         needsUpdate = cursorLeftOneWord(cur);
 364                 else
 365                         needsUpdate = cursorRightOneWord(cur);
 366                 finishChange(cur, false);
 367                 break;
 368
 369         case LFUN_WORDLEFT:
 370                 if (!cur.mark())
 371                         cur.clearSelection();
 372                 if (isRTL(cur.paragraph()))
 373                         needsUpdate = cursorRightOneWord(cur);
 374                 else
 375                         needsUpdate = cursorLeftOneWord(cur);
 376                 finishChange(cur, false);
 377                 break;
 378
 379         case LFUN_BEGINNINGBUF:
 380                 if (cur.depth() == 1) {
 381                         if (!cur.mark())
 382                                 cur.clearSelection();
 383                         cursorTop(cur);
 384                         finishChange(cur, false);
 385                 } else {
 386                         cur.undispatched();
 387                 }
 388                 break;
 389
 390         case LFUN_BEGINNINGBUFSEL:
 391                 if (cur.depth() == 1) {
 392                         if (!cur.selection())
 393                                 cur.resetAnchor();
 394                         cursorTop(cur);
 395                         finishChange(cur, true);
 396                 } else {
 397                         cur.undispatched();
 398                 }
 399                 break;
 400
 401         case LFUN_ENDBUF:
 402                 if (cur.depth() == 1) {
 403                         if (!cur.mark())
 404                                 cur.clearSelection();
 405                         cursorBottom(cur);
 406                         finishChange(cur, false);
 407                 } else {
 408                         cur.undispatched();
 409                 }
 410                 break;
 411
 412         case LFUN_ENDBUFSEL:
 413                 if (cur.depth() == 1) {
 414                         if (!cur.selection())
 415                                 cur.resetAnchor();
 416                         cursorBottom(cur);
 417                         finishChange(cur, true);
 418                 } else {
 419                         cur.undispatched();
 420                 }
 421                 break;
 422
 423         case LFUN_RIGHT:
 424         case LFUN_RIGHTSEL:
 425                 //lyxerr << BOOST_CURRENT_FUNCTION
 426                 //       << " LFUN_RIGHT[SEL]:\n" << cur << endl;
 427                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 428                 if (isRTL(cur.paragraph()))
 429                         needsUpdate = cursorLeft(cur);
 430                 else
 431                         needsUpdate = cursorRight(cur);
 432
 433                 if (!needsUpdate && oldTopSlice == cur.top()
 434                                 && cur.boundary() == oldBoundary) {
 435                         cur.undispatched();
 436                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 437                 }
 438                 break;
 439
 440         case LFUN_LEFT:
 441         case LFUN_LEFTSEL:
 442                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 443                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 444                 if (isRTL(cur.paragraph()))
 445                         needsUpdate = cursorRight(cur);
 446                 else
 447                         needsUpdate = cursorLeft(cur);
 448
 449                 if (!needsUpdate && oldTopSlice == cur.top()
 450                         && cur.boundary() == oldBoundary) {
 451                         cur.undispatched();
 452                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 453                 }
 454                 break;
 455
 456         case LFUN_UP:
 457         case LFUN_UPSEL:
 458                 update(cur);
 459                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 460                 cur.selHandle(cmd.action == LFUN_UPSEL);
 461
 462                 needsUpdate = cursorUp(cur);
 463                 if (!needsUpdate && oldTopSlice == cur.top()
 464                           && cur.boundary() == oldBoundary) {
 465                         cur.undispatched();
 466                         cmd = FuncRequest(LFUN_FINISHED_UP);
 467                 }
 468                 break;
 469
 470         case LFUN_DOWN:
 471         case LFUN_DOWNSEL:
 472                 update(cur);
 473                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 474                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 475                 needsUpdate = cursorDown(cur);
 476                 if (!needsUpdate && oldTopSlice == cur.top() &&
 477                     cur.boundary() == oldBoundary)
 478                 {
 479                         cur.undispatched();
 480                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 481                 }
 482                 break;
 483
 484         case LFUN_UP_PARAGRAPH:
 485                 if (!cur.mark())
 486                         cur.clearSelection();
 487                 needsUpdate = cursorUpParagraph(cur);
 488                 finishChange(cur, false);
 489                 break;
 490
 491         case LFUN_UP_PARAGRAPHSEL:
 492                 if (!cur.selection())
 493                         cur.resetAnchor();
 494                 cursorUpParagraph(cur);
 495                 finishChange(cur, true);
 496                 break;
 497
 498         case LFUN_DOWN_PARAGRAPH:
 499                 if (!cur.mark())
 500                         cur.clearSelection();
 501                 needsUpdate = cursorDownParagraph(cur);
 502                 finishChange(cur, false);
 503                 break;
 504
 505         case LFUN_DOWN_PARAGRAPHSEL:
 506                 if (!cur.selection())
 507                         cur.resetAnchor();
 508                 cursorDownParagraph(cur);
 509                 finishChange(cur, true);
 510                 break;
 511
 512         case LFUN_PRIORSEL:
 513                 update(cur);
 514                 if (!cur.selection())
 515                         cur.resetAnchor();
 516                 cursorPrevious(cur);
 517                 finishChange(cur, true);
 518                 break;
 519
 520         case LFUN_NEXTSEL:
 521                 update(cur);
 522                 if (!cur.selection())
 523                         cur.resetAnchor();
 524                 cursorNext(cur);
 525                 finishChange(cur, true);
 526                 break;
 527
 528         case LFUN_HOMESEL:
 529                 update(cur);
 530                 if (!cur.selection())
 531                         cur.resetAnchor();
 532                 cursorHome(cur);
 533                 finishChange(cur, true);
 534                 break;
 535
 536         case LFUN_ENDSEL:
 537                 update(cur);
 538                 if (!cur.selection())
 539                         cur.resetAnchor();
 540                 cursorEnd(cur);
 541                 finishChange(cur, true);
 542                 break;
 543
 544         case LFUN_WORDRIGHTSEL:
 545                 if (!cur.selection())
 546                         cur.resetAnchor();
 547                 if (isRTL(cur.paragraph()))
 548                         cursorLeftOneWord(cur);
 549                 else
 550                         cursorRightOneWord(cur);
 551                 finishChange(cur, true);
 552                 break;
 553
 554         case LFUN_WORDLEFTSEL:
 555                 if (!cur.selection())
 556                         cur.resetAnchor();
 557                 if (isRTL(cur.paragraph()))
 558                         cursorRightOneWord(cur);
 559                 else
 560                         cursorLeftOneWord(cur);
 561                 finishChange(cur, true);
 562                 break;
 563
 564         case LFUN_WORDSEL: {
 565                 selectWord(cur, lyx::WHOLE_WORD);
 566                 finishChange(cur, true);
 567                 break;
 568         }
 569
 570         case LFUN_PRIOR:
 571                 update(cur);
 572                 if (!cur.mark())
 573                         cur.clearSelection();
 574                 finishChange(cur, false);
 575                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 576                         cur.undispatched();
 577                         cmd = FuncRequest(LFUN_FINISHED_UP);
 578                 } else {
 579                         needsUpdate = cursorPrevious(cur);
 580                 }
 581                 break;
 582
 583         case LFUN_NEXT:
 584                 update(cur);
 585                 if (!cur.mark())
 586                         cur.clearSelection();
 587                 finishChange(cur, false);
 588                 if (cur.pit() == cur.lastpit()
 589                           && cur.textRow().endpos() == cur.lastpos()) {
 590                         cur.undispatched();
 591                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 592                 } else {
 593                         needsUpdate = cursorNext(cur);
 594                 }
 595                 break;
 596
 597         case LFUN_HOME:
 598                 if (!cur.mark())
 599                         cur.clearSelection();
 600                 cursorHome(cur);
 601                 finishChange(cur, false);
 602                 break;
 603
 604         case LFUN_END:
 605                 if (!cur.mark())
 606                         cur.clearSelection();
 607                 cursorEnd(cur);
 608                 finishChange(cur, false);
 609                 break;
 610
 611         case LFUN_BREAKLINE: {
 612                 // Not allowed by LaTeX (labels or empty par)
 613                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 614                         lyx::cap::replaceSelection(cur);
 615                         cur.insert(new InsetNewline);
 616                         cur.posRight();
 617                         moveCursor(cur, false);
 618                 }
 619                 break;
 620         }
 621
 622         case LFUN_DELETE:
 623                 if (!cur.selection()) {
 624                         Delete(cur);
 625                         cur.resetAnchor();
 626                         // It is possible to make it a lot faster still
 627                         // just comment out the line below...
 628                 } else {
 629                         cutSelection(cur, true, false);
 630                 }
 631                 moveCursor(cur, false);
 632                 break;
 633
 634         case LFUN_DELETE_SKIP:
 635                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 636                 if (!cur.selection()) {
 637                         if (cur.pos() == cur.lastpos()) {
 638                                 cursorRight(cur);
 639                                 cursorLeft(cur);
 640                         }
 641                         Delete(cur);
 642                         cur.resetAnchor();
 643                 } else {
 644                         cutSelection(cur, true, false);
 645                 }
 646                 break;
 647
 648
 649         case LFUN_BACKSPACE:
 650                 if (!cur.selection()) {
 651                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 652                                 backspace(cur);
 653                                 cur.resetAnchor();
 654                                 // It is possible to make it a lot faster still
 655                                 // just comment out the line below...
 656                         }
 657                 } else {
 658                         cutSelection(cur, true, false);
 659                 }
 660                 bv->switchKeyMap();
 661                 break;
 662
 663         case LFUN_BACKSPACE_SKIP:
 664                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 665                 if (!cur.selection()) {
 666 #ifdef WITH_WARNINGS
 667 #warning look here
 668 #endif
 669                         //CursorSlice cur = cursor();
 670                         backspace(cur);
 671                         //anchor() = cur;
 672                 } else {
 673                         cutSelection(cur, true, false);
 674                 }
 675                 break;
 676
 677         case LFUN_BREAKPARAGRAPH:
 678                 lyx::cap::replaceSelection(cur);
 679                 breakParagraph(cur, 0);
 680                 cur.resetAnchor();
 681                 bv->switchKeyMap();
 682                 break;
 683
 684         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 685                 lyx::cap::replaceSelection(cur);
 686                 breakParagraph(cur, 1);
 687                 cur.resetAnchor();
 688                 bv->switchKeyMap();
 689                 break;
 690
 691         case LFUN_BREAKPARAGRAPH_SKIP: {
 692                 // When at the beginning of a paragraph, remove
 693                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 694                 lyx::cap::replaceSelection(cur);
 695                 if (cur.pos() == 0)
 696                         cur.paragraph().params().labelWidthString(string());
 697                 else
 698                         breakParagraph(cur, 0);
 699                 cur.resetAnchor();
 700                 bv->switchKeyMap();
 701                 break;
 702         }
 703
 704         case LFUN_PARAGRAPH_SPACING: {
 705                 Paragraph & par = cur.paragraph();
 706                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 707                 string cur_value = "1.0";
 708                 if (cur_spacing == Spacing::Other)
 709                         cur_value = par.params().spacing().getValueAsString();
 710
 711                 istringstream is(cmd.argument);
 712                 string tmp;
 713                 is >> tmp;
 714                 Spacing::Space new_spacing = cur_spacing;
 715                 string new_value = cur_value;
 716                 if (tmp.empty()) {
 717                         lyxerr << "Missing argument to `paragraph-spacing'"
 718                                << endl;
 719                 } else if (tmp == "single") {
 720                         new_spacing = Spacing::Single;
 721                 } else if (tmp == "onehalf") {
 722                         new_spacing = Spacing::Onehalf;
 723                 } else if (tmp == "double") {
 724                         new_spacing = Spacing::Double;
 725                 } else if (tmp == "other") {
 726                         new_spacing = Spacing::Other;
 727                         string tmpval = "0.0";
 728                         is >> tmpval;
 729                         lyxerr << "new_value = " << tmpval << endl;
 730                         if (tmpval != "0.0")
 731                                 new_value = tmpval;
 732                 } else if (tmp == "default") {
 733                         new_spacing = Spacing::Default;
 734                 } else {
 735                         lyxerr << _("Unknown spacing argument: ")
 736                                << cmd.argument << endl;
 737                 }
 738                 if (cur_spacing != new_spacing || cur_value != new_value)
 739                         par.params().spacing(Spacing(new_spacing, new_value));
 740                 break;
 741         }
 742
 743         case LFUN_INSET_INSERT: {
 744                 recordUndo(cur);
 745                 InsetBase * inset = createInset(bv, cmd);
 746                 if (inset) {
 747                         insertInset(cur, inset);
 748                         cur.posRight();
 749                 }
 750                 break;
 751         }
 752
 753         case LFUN_INSET_SETTINGS:
 754                 cur.inset().showInsetDialog(bv);
 755                 break;
 756
 757         case LFUN_NEXT_INSET_TOGGLE: {
 758                 InsetBase * inset = cur.nextInset();
 759                 // this is the real function we want to invoke
 760                 cmd = FuncRequest(LFUN_INSET_TOGGLE);
 761                 cur.undispatched();
 762                 // if there is an inset at cursor, see whether it
 763                 // wants to toggle.
 764                 if (inset) {
 765                         LCursor tmpcur = cur;
 766                         tmpcur.pushLeft(*inset);
 767                         inset->dispatch(tmpcur, cmd);
 768                         if (tmpcur.result().dispatched()) {
 769                                 cur.clearSelection();
 770                                 cur.dispatched();
 771                         }
 772                 }
 773                 // if it did not work, try the underlying inset.
 774                 if (!cur.result().dispatched())
 775                         cur.inset().dispatch(cur, cmd);
 776                 break;
 777         }
 778
 779         case LFUN_SPACE_INSERT:
 780                 if (cur.paragraph().layout()->free_spacing)
 781                         insertChar(cur, ' ');
 782                 else {
 783                         doInsertInset(cur, this, cmd, false, false);
 784                         cur.posRight();
 785                 }
 786                 moveCursor(cur, false);
 787                 break;
 788
 789         case LFUN_HYPHENATION:
 790                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 791                 break;
 792
 793         case LFUN_LIGATURE_BREAK:
 794                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 795                 break;
 796
 797         case LFUN_LDOTS:
 798                 specialChar(cur, InsetSpecialChar::LDOTS);
 799                 break;
 800
 801         case LFUN_END_OF_SENTENCE:
 802                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 803                 break;
 804
 805         case LFUN_MENU_SEPARATOR:
 806                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 807                 break;
 808
 809         case LFUN_UPCASE_WORD:
 810                 changeCase(cur, LyXText::text_uppercase);
 811                 break;
 812
 813         case LFUN_LOWCASE_WORD:
 814                 changeCase(cur, LyXText::text_lowercase);
 815                 break;
 816
 817         case LFUN_CAPITALIZE_WORD:
 818                 changeCase(cur, LyXText::text_capitalization);
 819                 break;
 820
 821         case LFUN_TRANSPOSE_CHARS:
 822                 recordUndo(cur);
 823                 break;
 824
 825         case LFUN_PASTE:
 826                 cur.message(_("Paste"));
 827                 lyx::cap::replaceSelection(cur);
 828 #ifdef WITH_WARNINGS
 829 #warning FIXME Check if the arg is in the domain of available selections.
 830 #endif
 831                 if (isStrUnsignedInt(cmd.argument))
 832                         pasteSelection(cur, convert<unsigned int>(cmd.argument));
 833                 else
 834                         pasteSelection(cur, 0);
 835                 cur.clearSelection(); // bug 393
 836                 bv->switchKeyMap();
 837                 finishUndo();
 838                 break;
 839
 840         case LFUN_CUT:
 841                 cutSelection(cur, true, true);
 842                 cur.message(_("Cut"));
 843                 break;
 844
 845         case LFUN_COPY:
 846                 copySelection(cur);
 847                 cur.message(_("Copy"));
 848                 break;
 849
 850         case LFUN_GETXY:
 851                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 852                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 853                 break;
 854
 855         case LFUN_SETXY: {
 856                 int x = 0;
 857                 int y = 0;
 858                 istringstream is(cmd.argument);
 859                 is >> x >> y;
 860                 if (!is)
 861                         lyxerr << "SETXY: Could not parse coordinates in '"
 862                                << cmd.argument << std::endl;
 863                 else
 864                         setCursorFromCoordinates(cur, x, y);
 865                 break;
 866         }
 867
 868         case LFUN_GETFONT:
 869                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 870                         cur.message("E");
 871                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 872                         cur.message("N");
 873                 else
 874                         cur.message("0");
 875                 break;
 876
 877         case LFUN_GETLAYOUT:
 878                 cur.message(cur.paragraph().layout()->name());
 879                 break;
 880
 881         case LFUN_LAYOUT: {
 882                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 883                   << cmd.argument << endl;
 884
 885                 // This is not the good solution to the empty argument
 886                 // problem, but it will hopefully suffice for 1.2.0.
 887                 // The correct solution would be to augument the
 888                 // function list/array with information about what
 889                 // functions needs arguments and their type.
 890                 if (cmd.argument.empty()) {
 891                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 892                         break;
 893                 }
 894
 895                 // Derive layout number from given argument (string)
 896                 // and current buffer's textclass (number)
 897                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 898                 bool hasLayout = tclass.hasLayout(cmd.argument);
 899                 string layout = cmd.argument;
 900
 901                 // If the entry is obsolete, use the new one instead.
 902                 if (hasLayout) {
 903                         string const & obs = tclass[layout]->obsoleted_by();
 904                         if (!obs.empty())
 905                                 layout = obs;
 906                 }
 907
 908                 if (!hasLayout) {
 909                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 910                                 N_(" not known"));
 911                         break;
 912                 }
 913
 914                 bool change_layout = (current_layout != layout);
 915
 916                 if (!change_layout && cur.selection() &&
 917                         cur.selBegin().pit() != cur.selEnd().pit())
 918                 {
 919                         pit_type spit = cur.selBegin().pit();
 920                         pit_type epit = cur.selEnd().pit() + 1;
 921                         while (spit != epit) {
 922                                 if (pars_[spit].layout()->name() != current_layout) {
 923                                         change_layout = true;
 924                                         break;
 925                                 }
 926                                 ++spit;
 927                         }
 928                 }
 929
 930                 if (change_layout) {
 931                         current_layout = layout;
 932                         setLayout(cur, layout);
 933                         bv->owner()->setLayout(layout);
 934                         bv->switchKeyMap();
 935                 }
 936                 break;
 937         }
 938
 939         case LFUN_PASTESELECTION: {
 940                 cur.clearSelection();
 941                 string const clip = bv->getClipboard();
 942                 if (!clip.empty()) {
 943                         recordUndo(cur);
 944                         if (cmd.argument == "paragraph")
 945                                 insertStringAsParagraphs(cur, clip);
 946                         else
 947                                 insertStringAsLines(cur, clip);
 948                 }
 949                 break;
 950         }
 951
 952         case LFUN_QUOTE: {
 953                 lyx::cap::replaceSelection(cur);
 954                 Paragraph & par = cur.paragraph();
 955                 lyx::pos_type pos = cur.pos();
 956                 char c;
 957                 if (pos == 0)
 958                         c = ' ';
 959                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 960                         c = ' ';
 961                 else
 962                         c = par.getChar(pos - 1);
 963
 964                 LyXLayout_ptr const & style = par.layout();
 965
 966                 BufferParams const & bufparams = bv->buffer()->params();
 967                 if (!style->pass_thru
 968                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 969                         string arg = cmd.argument;
 970                         if (arg == "single")
 971                                 cur.insert(new InsetQuotes(c,
 972                                     bufparams.quotes_language,
 973                                     InsetQuotes::SingleQ));
 974                         else
 975                                 cur.insert(new InsetQuotes(c,
 976                                     bufparams.quotes_language,
 977                                     InsetQuotes::DoubleQ));
 978                         cur.posRight();
 979                 }
 980                 else
 981                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
 982                 break;
 983         }
 984
 985         case LFUN_DATE_INSERT:
 986                 if (cmd.argument.empty())
 987                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 988                                 lyx::formatted_time(lyx::current_time())));
 989                 else
 990                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT,
 991                                 lyx::formatted_time(lyx::current_time(), cmd.argument)));
 992                 break;
 993
 994         case LFUN_MOUSE_TRIPLE:
 995                 if (cmd.button() == mouse_button::button1) {
 996                         cursorHome(cur);
 997                         cur.resetAnchor();
 998                         cursorEnd(cur);
 999                         cur.setSelection();
1000                         bv->cursor() = cur;
1001                         bv->haveSelection(cur.selection());
1002                 }
1003                 break;
1004
1005         case LFUN_MOUSE_DOUBLE:
1006                 if (cmd.button() == mouse_button::button1) {
1007                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1008                         bv->cursor() = cur;
1009                         bv->haveSelection(cur.selection());
1010                 }
1011                 break;
1012
1013         // Single-click on work area
1014         case LFUN_MOUSE_PRESS: {
1015                 // Right click on a footnote flag opens float menu
1016                 if (cmd.button() == mouse_button::button3) {
1017                         cur.clearSelection();
1018                         break;
1019                 }
1020
1021                 // Middle button press pastes if we have a selection
1022                 // We do this here as if the selection was inside an inset
1023                 // it could get cleared on the unlocking of the inset so
1024                 // we have to check this first
1025                 bool paste_internally = false;
1026                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1027                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1028                         paste_internally = true;
1029                 }
1030
1031                 // Clear the selection
1032                 cur.clearSelection();
1033
1034                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1035                 cur.resetAnchor();
1036                 finishUndo();
1037                 cur.setTargetX();
1038
1039                 // Has the cursor just left the inset?
1040                 if (bv->cursor().inMathed() && !cur.inMathed())
1041                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1042
1043                 // Set cursor here.
1044                 bv->cursor() = cur;
1045
1046                 // Insert primary selection with middle mouse
1047                 // if there is a local selection in the current buffer,
1048                 // insert this
1049                 if (cmd.button() == mouse_button::button2) {
1050                         if (paste_internally)
1051                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1052                         else
1053                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1054                 }
1055
1056                 break;
1057         }
1058
1059         case LFUN_MOUSE_MOTION: {
1060                 // Only use motion with button 1
1061                 //if (cmd.button() != mouse_button::button1)
1062                 //      return false;
1063
1064                 // ignore motions deeper nested than the real anchor
1065                 LCursor & bvcur = cur.bv().cursor();
1066                 if (bvcur.anchor_.hasPart(cur)) {
1067                         CursorSlice old = bvcur.top();
1068
1069                         int const wh = bv->workHeight();
1070                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1071
1072                         setCursorFromCoordinates(cur, cmd.x, y);
1073                         cur.x_target() = cmd.x;
1074                         if (cmd.y >= wh)
1075                                 cursorDown(cur);
1076                         else if (cmd.y < 0)
1077                                 cursorUp(cur);
1078                         // This is to allow jumping over large insets
1079                         if (cur.top() == old) {
1080                                 if (cmd.y >= wh)
1081                                         cursorDown(cur);
1082                                 else if (cmd.y < 0)
1083                                         cursorUp(cur);
1084                         }
1085
1086                         if (cur.top() == old)
1087                                 cur.noUpdate();
1088                         else {
1089                                 // don't set anchor_
1090                                 bvcur.setCursor(cur);
1091                                 bvcur.selection() = true;
1092                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1093                         }
1094
1095                 } else
1096                         cur.undispatched();
1097                 break;
1098         }
1099
1100         case LFUN_MOUSE_RELEASE: {
1101                 if (cmd.button() == mouse_button::button2)
1102                         break;
1103
1104                 // finish selection
1105                 if (cmd.button() == mouse_button::button1)
1106                         bv->haveSelection(cur.selection());
1107
1108                 bv->switchKeyMap();
1109                 bv->owner()->updateMenubar();
1110                 bv->owner()->updateToolbars();
1111                 break;
1112         }
1113
1114         case LFUN_SELFINSERT: {
1115                 if (cmd.argument.empty())
1116                         break;
1117
1118                 // Automatically delete the currently selected
1119                 // text and replace it with what is being
1120                 // typed in now. Depends on lyxrc settings
1121                 // "auto_region_delete", which defaults to
1122                 // true (on).
1123
1124                 if (lyxrc.auto_region_delete) {
1125                         if (cur.selection())
1126                                 cutSelection(cur, false, false);
1127                         bv->haveSelection(false);
1128                 }
1129
1130                 cur.clearSelection();
1131                 LyXFont const old_font = real_current_font;
1132
1133                 // Prevents language turds in new lyxtexts under non-english
1134                 BufferParams const & bufparams = cur.buffer().params();
1135                 Language const * lang = cur.paragraph().getParLanguage(bufparams);
1136                 current_font.setLanguage(lang);
1137                 real_current_font.setLanguage(lang);
1138
1139                 string::const_iterator cit = cmd.argument.begin();
1140                 string::const_iterator end = cmd.argument.end();
1141                 for (; cit != end; ++cit)
1142                         bv->owner()->getIntl().getTransManager().
1143                                 TranslateAndInsert(*cit, this);
1144
1145                 cur.resetAnchor();
1146                 moveCursor(cur, false);
1147                 bv->updateScrollbar();
1148                 break;
1149         }
1150
1151         case LFUN_URL: {
1152                 InsetCommandParams p("url");
1153                 string const data = InsetCommandMailer::params2string("url", p);
1154                 bv->owner()->getDialogs().show("url", data, 0);
1155                 break;
1156         }
1157
1158         case LFUN_HTMLURL: {
1159                 InsetCommandParams p("htmlurl");
1160                 string const data = InsetCommandMailer::params2string("url", p);
1161                 bv->owner()->getDialogs().show("url", data, 0);
1162                 break;
1163         }
1164
1165         case LFUN_INSERT_LABEL: {
1166                 // Try to generate a valid label
1167                 string const contents = cmd.argument.empty() ?
1168                         cur.getPossibleLabel() : cmd.argument;
1169
1170                 InsetCommandParams p("label", contents);
1171                 string const data = InsetCommandMailer::params2string("label", p);
1172
1173                 if (cmd.argument.empty()) {
1174                         bv->owner()->getDialogs().show("label", data, 0);
1175                 } else {
1176                         FuncRequest fr(LFUN_INSET_INSERT, data);
1177                         dispatch(cur, fr);
1178                 }
1179                 break;
1180         }
1181
1182
1183 #if 0
1184         case LFUN_INSET_LIST:
1185         case LFUN_INSET_THEOREM:
1186         case LFUN_INSET_CAPTION:
1187 #endif
1188         case LFUN_INSERT_NOTE:
1189         case LFUN_INSERT_CHARSTYLE:
1190         case LFUN_INSERT_BOX:
1191         case LFUN_INSERT_BRANCH:
1192         case LFUN_INSERT_BIBITEM:
1193         case LFUN_INSET_ERT:
1194         case LFUN_INSET_FOOTNOTE:
1195         case LFUN_INSET_MARGINAL:
1196         case LFUN_INSET_OPTARG:
1197         case LFUN_ENVIRONMENT_INSERT:
1198                 // Open the inset, and move the current selection
1199                 // inside it.
1200                 doInsertInset(cur, this, cmd, true, true);
1201                 cur.posRight();
1202                 break;
1203
1204         case LFUN_TABULAR_INSERT:
1205                 // if there were no arguments, just open the dialog
1206                 if (doInsertInset(cur, this, cmd, false, true))
1207                         cur.posRight();
1208                 else
1209                         bv->owner()->getDialogs().show("tabularcreate");
1210
1211                 break;
1212
1213         case LFUN_INSET_FLOAT:
1214         case LFUN_INSET_WIDE_FLOAT:
1215         case LFUN_INSET_WRAP:
1216                 doInsertInset(cur, this, cmd, true, true);
1217                 cur.posRight();
1218                 // FIXME: the "Caption" name should not be hardcoded,
1219                 // but given by the float definition.
1220                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1221                 break;
1222
1223         case LFUN_INDEX_INSERT:
1224                 // Just open the inset
1225                 doInsertInset(cur, this, cmd, true, false);
1226                 cur.posRight();
1227                 break;
1228
1229         case LFUN_INDEX_PRINT:
1230         case LFUN_TOC_INSERT:
1231         case LFUN_HFILL:
1232         case LFUN_INSERT_LINE:
1233         case LFUN_INSERT_PAGEBREAK:
1234                 // do nothing fancy
1235                 doInsertInset(cur, this, cmd, false, false);
1236                 cur.posRight();
1237                 break;
1238
1239         case LFUN_DEPTH_MIN:
1240                 changeDepth(cur, DEC_DEPTH);
1241                 break;
1242
1243         case LFUN_DEPTH_PLUS:
1244                 changeDepth(cur, INC_DEPTH);
1245                 break;
1246
1247         case LFUN_MATH_DISPLAY:
1248                 mathDispatch(cur, cmd, true);
1249                 break;
1250
1251         case LFUN_MATH_IMPORT_SELECTION:
1252         case LFUN_MATH_MODE:
1253                 if (cmd.argument == "on")
1254                         // don't pass "on" as argument
1255                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1256                 else
1257                         mathDispatch(cur, cmd, false);
1258                 break;
1259
1260         case LFUN_MATH_MACRO:
1261                 if (cmd.argument.empty())
1262                         cur.errorMessage(N_("Missing argument"));
1263                 else {
1264                         string s = cmd.argument;
1265                         string const s1 = token(s, ' ', 1);
1266                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1267                         string const s2 = token(s, ' ', 2);
1268                         string const type = s2.empty() ? "newcommand" : s2;
1269                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1270                         //cur.nextInset()->edit(cur, true);
1271                 }
1272                 break;
1273
1274         // passthrough hat and underscore outside mathed:
1275         case LFUN_SUBSCRIPT:
1276                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1277                 break;
1278         case LFUN_SUPERSCRIPT:
1279                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1280                 break;
1281
1282         case LFUN_INSERT_MATH:
1283         case LFUN_INSERT_MATRIX:
1284         case LFUN_MATH_DELIM: {
1285                 cur.insert(new MathHullInset("simple"));
1286                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1287                 cur.dispatch(cmd);
1288                 break;
1289         }
1290
1291         case LFUN_EMPH: {
1292                 LyXFont font(LyXFont::ALL_IGNORE);
1293                 font.setEmph(LyXFont::TOGGLE);
1294                 toggleAndShow(cur, this, font);
1295                 break;
1296         }
1297
1298         case LFUN_BOLD: {
1299                 LyXFont font(LyXFont::ALL_IGNORE);
1300                 font.setSeries(LyXFont::BOLD_SERIES);
1301                 toggleAndShow(cur, this, font);
1302                 break;
1303         }
1304
1305         case LFUN_NOUN: {
1306                 LyXFont font(LyXFont::ALL_IGNORE);
1307                 font.setNoun(LyXFont::TOGGLE);
1308                 toggleAndShow(cur, this, font);
1309                 break;
1310         }
1311
1312         case LFUN_CODE: {
1313                 LyXFont font(LyXFont::ALL_IGNORE);
1314                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1315                 toggleAndShow(cur, this, font);
1316                 break;
1317         }
1318
1319         case LFUN_SANS: {
1320                 LyXFont font(LyXFont::ALL_IGNORE);
1321                 font.setFamily(LyXFont::SANS_FAMILY);
1322                 toggleAndShow(cur, this, font);
1323                 break;
1324         }
1325
1326         case LFUN_ROMAN: {
1327                 LyXFont font(LyXFont::ALL_IGNORE);
1328                 font.setFamily(LyXFont::ROMAN_FAMILY);
1329                 toggleAndShow(cur, this, font);
1330                 break;
1331         }
1332
1333         case LFUN_DEFAULT: {
1334                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1335                 toggleAndShow(cur, this, font);
1336                 break;
1337         }
1338
1339         case LFUN_UNDERLINE: {
1340                 LyXFont font(LyXFont::ALL_IGNORE);
1341                 font.setUnderbar(LyXFont::TOGGLE);
1342                 toggleAndShow(cur, this, font);
1343                 break;
1344         }
1345
1346         case LFUN_FONT_SIZE: {
1347                 LyXFont font(LyXFont::ALL_IGNORE);
1348                 font.setLyXSize(cmd.argument);
1349                 toggleAndShow(cur, this, font);
1350                 break;
1351         }
1352
1353         case LFUN_LANGUAGE: {
1354                 Language const * lang = languages.getLanguage(cmd.argument);
1355                 if (!lang)
1356                         break;
1357                 LyXFont font(LyXFont::ALL_IGNORE);
1358                 font.setLanguage(lang);
1359                 toggleAndShow(cur, this, font);
1360                 bv->switchKeyMap();
1361                 break;
1362         }
1363
1364         case LFUN_FREEFONT_APPLY:
1365                 toggleAndShow(cur, this, freefont, toggleall);
1366                 cur.message(_("Character set"));
1367                 break;
1368
1369         // Set the freefont using the contents of \param data dispatched from
1370         // the frontends and apply it at the current cursor location.
1371         case LFUN_FREEFONT_UPDATE: {
1372                 LyXFont font;
1373                 bool toggle;
1374                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1375                         freefont = font;
1376                         toggleall = toggle;
1377                         toggleAndShow(cur, this, freefont, toggleall);
1378                         cur.message(_("Character set"));
1379                 }
1380                 break;
1381         }
1382
1383         case LFUN_FINISHED_LEFT:
1384                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1385                 break;
1386
1387         case LFUN_FINISHED_RIGHT:
1388                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1389                 ++cur.pos();
1390                 break;
1391
1392         case LFUN_FINISHED_UP:
1393                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1394                 cursorUp(cur);
1395                 break;
1396
1397         case LFUN_FINISHED_DOWN:
1398                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1399                 cursorDown(cur);
1400                 break;
1401
1402         case LFUN_LAYOUT_PARAGRAPH: {
1403                 string data;
1404                 params2string(cur.paragraph(), data);
1405                 data = "show\n" + data;
1406                 bv->owner()->getDialogs().show("paragraph", data);
1407                 break;
1408         }
1409
1410         case LFUN_PARAGRAPH_UPDATE: {
1411                 if (!bv->owner()->getDialogs().visible("paragraph"))
1412                         break;
1413                 string data;
1414                 params2string(cur.paragraph(), data);
1415
1416                 // Will the paragraph accept changes from the dialog?
1417                 InsetBase & inset = cur.inset();
1418                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1419
1420                 data = "update " + convert<string>(accept) + '\n' + data;
1421                 bv->owner()->getDialogs().update("paragraph", data);
1422                 break;
1423         }
1424
1425         case LFUN_UMLAUT:
1426         case LFUN_CIRCUMFLEX:
1427         case LFUN_GRAVE:
1428         case LFUN_ACUTE:
1429         case LFUN_TILDE:
1430         case LFUN_CEDILLA:
1431         case LFUN_MACRON:
1432         case LFUN_DOT:
1433         case LFUN_UNDERDOT:
1434         case LFUN_UNDERBAR:
1435         case LFUN_CARON:
1436         case LFUN_SPECIAL_CARON:
1437         case LFUN_BREVE:
1438         case LFUN_TIE:
1439         case LFUN_HUNG_UMLAUT:
1440         case LFUN_CIRCLE:
1441         case LFUN_OGONEK:
1442                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1443                 if (!cmd.argument.empty())
1444                         bv->owner()->getIntl().getTransManager()
1445                                 .TranslateAndInsert(cmd.argument[0], this);
1446                 break;
1447
1448         case LFUN_FLOAT_LIST: {
1449                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1450                 if (tclass.floats().typeExist(cmd.argument)) {
1451                         // not quite sure if we want this...
1452                         recordUndo(cur);
1453                         cur.clearSelection();
1454                         breakParagraph(cur);
1455
1456                         if (cur.lastpos() != 0) {
1457                                 cursorLeft(cur);
1458                                 breakParagraph(cur);
1459                         }
1460
1461                         setLayout(cur, tclass.defaultLayoutName());
1462                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1463                         insertInset(cur, new InsetFloatList(cmd.argument));
1464                         cur.posRight();
1465                 } else {
1466                         lyxerr << "Non-existent float type: "
1467                                << cmd.argument << endl;
1468                 }
1469                 break;
1470         }
1471
1472         case LFUN_ACCEPT_CHANGE: {
1473                 acceptChange(cur);
1474                 break;
1475         }
1476
1477         case LFUN_REJECT_CHANGE: {
1478                 rejectChange(cur);
1479                 break;
1480         }
1481
1482         case LFUN_THESAURUS_ENTRY: {
1483                 string arg = cmd.argument;
1484                 if (arg.empty()) {
1485                         arg = cur.selectionAsString(false);
1486                         // FIXME
1487                         if (arg.size() > 100 || arg.empty()) {
1488                                 // Get word or selection
1489                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1490                                 arg = cur.selectionAsString(false);
1491                         }
1492                 }
1493                 bv->owner()->getDialogs().show("thesaurus", arg);
1494                 break;
1495         }
1496
1497         case LFUN_PARAGRAPH_APPLY: {
1498                 // Given data, an encoding of the ParagraphParameters
1499                 // generated in the Paragraph dialog, this function sets
1500                 // the current paragraph appropriately.
1501                 istringstream is(cmd.argument);
1502                 LyXLex lex(0, 0);
1503                 lex.setStream(is);
1504                 ParagraphParameters params;
1505                 params.read(lex);
1506                 setParagraph(cur,
1507                                          params.spacing(),
1508                                          params.align(),
1509                                          params.labelWidthString(),
1510                                          params.noindent());
1511                 cur.message(_("Paragraph layout set"));
1512                 break;
1513         }
1514
1515         case LFUN_INSET_DIALOG_SHOW: {
1516                 InsetBase * inset = cur.nextInset();
1517                 if (inset) {
1518                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1519                         inset->dispatch(cur, fr);
1520                 }
1521                 break;
1522         }
1523
1524         case LFUN_ESCAPE:
1525                 if (cur.selection()) {
1526                         cur.selection() = false;
1527                 } else {
1528                         cur.undispatched();
1529                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1530                 }
1531                 break;
1532
1533         default:
1534                 lyxerr[Debug::ACTION]
1535                         << BOOST_CURRENT_FUNCTION
1536                         << ": Command " << cmd
1537                         << " not DISPATCHED by LyXText" << endl;
1538                 cur.undispatched();
1539                 break;
1540         }
1541
1542         if (singleParUpdate)
1543                 // Inserting characters does not change par height
1544                 if (cur.paragraph().dim().asc == olddim.asc
1545                  && cur.paragraph().dim().des == olddim.des) {
1546                         // if so, update _only_ this paragraph
1547                         cur.bv().update(Update::SinglePar | Update::Force);
1548                 } else
1549                         needsUpdate = true;
1550         if (!needsUpdate
1551             && &oldTopSlice.inset() == &cur.inset()
1552             && oldTopSlice.idx() == cur.idx()
1553             && !sel
1554             && !cur.selection())
1555                 cur.noUpdate();
1556         else
1557                 cur.needsUpdate();
1558 }
1559
1560
1561 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1562                         FuncStatus & flag) const
1563 {
1564         BOOST_ASSERT(cur.text() == this);
1565
1566         LyXFont const & font = real_current_font;
1567         bool enable = true;
1568         InsetBase::Code code = InsetBase::NO_CODE;
1569
1570         switch (cmd.action) {
1571
1572         case LFUN_DEPTH_MIN:
1573                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1574                 break;
1575
1576         case LFUN_DEPTH_PLUS:
1577                 enable = changeDepthAllowed(cur, INC_DEPTH);
1578                 break;
1579
1580         case LFUN_APPENDIX:
1581                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1582                 return true;
1583
1584         case LFUN_INSERT_BIBITEM:
1585                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1586                 break;
1587
1588         case LFUN_DIALOG_SHOW_NEW_INSET:
1589                 if (cmd.argument == "bibitem")
1590                         code = InsetBase::BIBITEM_CODE;
1591                 else if (cmd.argument == "bibtex")
1592                         code = InsetBase::BIBTEX_CODE;
1593                 else if (cmd.argument == "box")
1594                         code = InsetBase::BOX_CODE;
1595                 else if (cmd.argument == "branch")
1596                         code = InsetBase::BRANCH_CODE;
1597                 else if (cmd.argument == "citation")
1598                         code = InsetBase::CITE_CODE;
1599                 else if (cmd.argument == "ert")
1600                         code = InsetBase::ERT_CODE;
1601                 else if (cmd.argument == "external")
1602                         code = InsetBase::EXTERNAL_CODE;
1603                 else if (cmd.argument == "float")
1604                         code = InsetBase::FLOAT_CODE;
1605                 else if (cmd.argument == "graphics")
1606                         code = InsetBase::GRAPHICS_CODE;
1607                 else if (cmd.argument == "include")
1608                         code = InsetBase::INCLUDE_CODE;
1609                 else if (cmd.argument == "index")
1610                         code = InsetBase::INDEX_CODE;
1611                 else if (cmd.argument == "label")
1612                         code = InsetBase::LABEL_CODE;
1613                 else if (cmd.argument == "note")
1614                         code = InsetBase::NOTE_CODE;
1615                 else if (cmd.argument == "ref")
1616                         code = InsetBase::REF_CODE;
1617                 else if (cmd.argument == "toc")
1618                         code = InsetBase::TOC_CODE;
1619                 else if (cmd.argument == "url")
1620                         code = InsetBase::URL_CODE;
1621                 else if (cmd.argument == "vspace")
1622                         code = InsetBase::VSPACE_CODE;
1623                 else if (cmd.argument == "wrap")
1624                         code = InsetBase::WRAP_CODE;
1625                 break;
1626
1627         case LFUN_INSET_ERT:
1628                 code = InsetBase::ERT_CODE;
1629                 break;
1630         case LFUN_INSET_FOOTNOTE:
1631                 code = InsetBase::FOOT_CODE;
1632                 break;
1633         case LFUN_TABULAR_INSERT:
1634                 code = InsetBase::TABULAR_CODE;
1635                 break;
1636         case LFUN_INSET_MARGINAL:
1637                 code = InsetBase::MARGIN_CODE;
1638                 break;
1639         case LFUN_INSET_FLOAT:
1640         case LFUN_INSET_WIDE_FLOAT:
1641                 code = InsetBase::FLOAT_CODE;
1642                 break;
1643         case LFUN_INSET_WRAP:
1644                 code = InsetBase::WRAP_CODE;
1645                 break;
1646         case LFUN_FLOAT_LIST:
1647                 code = InsetBase::FLOAT_LIST_CODE;
1648                 break;
1649 #if 0
1650         case LFUN_INSET_LIST:
1651                 code = InsetBase::LIST_CODE;
1652                 break;
1653         case LFUN_INSET_THEOREM:
1654                 code = InsetBase::THEOREM_CODE;
1655                 break;
1656 #endif
1657         case LFUN_INSET_CAPTION:
1658                 code = InsetBase::CAPTION_CODE;
1659                 break;
1660         case LFUN_INSERT_NOTE:
1661                 code = InsetBase::NOTE_CODE;
1662                 break;
1663         case LFUN_INSERT_CHARSTYLE:
1664                 code = InsetBase::CHARSTYLE_CODE;
1665                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1666                         enable = false;
1667                 break;
1668         case LFUN_INSERT_BOX:
1669                 code = InsetBase::BOX_CODE;
1670                 break;
1671         case LFUN_INSERT_BRANCH:
1672                 code = InsetBase::BRANCH_CODE;
1673                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1674                         enable = false;
1675                 break;
1676         case LFUN_INSERT_LABEL:
1677                 code = InsetBase::LABEL_CODE;
1678                 break;
1679         case LFUN_INSET_OPTARG:
1680                 code = InsetBase::OPTARG_CODE;
1681                 enable = numberOfOptArgs(cur.paragraph())
1682                         < cur.paragraph().layout()->optionalargs;
1683                 break;
1684         case LFUN_ENVIRONMENT_INSERT:
1685                 code = InsetBase::BOX_CODE;
1686                 break;
1687         case LFUN_INDEX_INSERT:
1688                 code = InsetBase::INDEX_CODE;
1689                 break;
1690         case LFUN_INDEX_PRINT:
1691                 code = InsetBase::INDEX_PRINT_CODE;
1692                 break;
1693         case LFUN_TOC_INSERT:
1694                 code = InsetBase::TOC_CODE;
1695                 break;
1696         case LFUN_HTMLURL:
1697         case LFUN_URL:
1698                 code = InsetBase::URL_CODE;
1699                 break;
1700         case LFUN_QUOTE:
1701                 // always allow this, since we will inset a raw quote
1702                 // if an inset is not allowed.
1703                 break;
1704         case LFUN_HYPHENATION:
1705         case LFUN_LIGATURE_BREAK:
1706         case LFUN_HFILL:
1707         case LFUN_MENU_SEPARATOR:
1708         case LFUN_LDOTS:
1709         case LFUN_END_OF_SENTENCE:
1710                 code = InsetBase::SPECIALCHAR_CODE;
1711                 break;
1712         case LFUN_SPACE_INSERT:
1713                 // slight hack: we know this is allowed in math mode
1714                 if (cur.inTexted())
1715                         code = InsetBase::SPACE_CODE;
1716                 break;
1717
1718 #ifdef WITH_WARNINGS
1719 #warning This LFUN is not used anymore and should be nuked (JMarc 29/10/2005)
1720 #endif
1721 #if 0
1722         case LFUN_INSET_DIALOG_SHOW: {
1723                 InsetBase * inset = cur.nextInset();
1724                 enable = inset;
1725                 if (inset) {
1726                         code = inset->lyxCode();
1727                         if (!(code == InsetBase::INCLUDE_CODE
1728                                 || code == InsetBase::BIBTEX_CODE
1729                                 || code == InsetBase::FLOAT_LIST_CODE
1730                                 || code == InsetBase::TOC_CODE))
1731                                 enable = false;
1732                 }
1733                 break;
1734         }
1735 #endif
1736
1737         case LFUN_INSET_MODIFY:
1738                 // We need to disable this, because we may get called for a
1739                 // tabular cell via
1740                 // InsetTabular::getStatus() -> InsetText::getStatus()
1741                 // and we don't handle LFUN_INSET_MODIFY.
1742                 enable = false;
1743                 break;
1744
1745         case LFUN_EMPH:
1746                 flag.setOnOff(font.emph() == LyXFont::ON);
1747                 return true;
1748
1749         case LFUN_NOUN:
1750                 flag.setOnOff(font.noun() == LyXFont::ON);
1751                 return true;
1752
1753         case LFUN_BOLD:
1754                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1755                 return true;
1756
1757         case LFUN_SANS:
1758                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1759                 return true;
1760
1761         case LFUN_ROMAN:
1762                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1763                 return true;
1764
1765         case LFUN_CODE:
1766                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1767                 return true;
1768
1769         case LFUN_DELETE_WORD_FORWARD:
1770         case LFUN_DELETE_WORD_BACKWARD:
1771         case LFUN_DELETE_LINE_FORWARD:
1772         case LFUN_WORDRIGHT:
1773         case LFUN_WORDLEFT:
1774         case LFUN_RIGHT:
1775         case LFUN_RIGHTSEL:
1776         case LFUN_LEFT:
1777         case LFUN_LEFTSEL:
1778         case LFUN_UP:
1779         case LFUN_UPSEL:
1780         case LFUN_DOWN:
1781         case LFUN_DOWNSEL:
1782         case LFUN_UP_PARAGRAPHSEL:
1783         case LFUN_DOWN_PARAGRAPHSEL:
1784         case LFUN_PRIORSEL:
1785         case LFUN_NEXTSEL:
1786         case LFUN_HOMESEL:
1787         case LFUN_ENDSEL:
1788         case LFUN_WORDRIGHTSEL:
1789         case LFUN_WORDLEFTSEL:
1790         case LFUN_WORDSEL:
1791         case LFUN_UP_PARAGRAPH:
1792         case LFUN_DOWN_PARAGRAPH:
1793         case LFUN_PRIOR:
1794         case LFUN_NEXT:
1795         case LFUN_HOME:
1796         case LFUN_END:
1797         case LFUN_BREAKLINE:
1798         case LFUN_DELETE:
1799         case LFUN_DELETE_SKIP:
1800         case LFUN_BACKSPACE:
1801         case LFUN_BACKSPACE_SKIP:
1802         case LFUN_BREAKPARAGRAPH:
1803         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1804         case LFUN_BREAKPARAGRAPH_SKIP:
1805         case LFUN_PARAGRAPH_SPACING:
1806         case LFUN_INSET_INSERT:
1807         case LFUN_NEXT_INSET_TOGGLE:
1808         case LFUN_UPCASE_WORD:
1809         case LFUN_LOWCASE_WORD:
1810         case LFUN_CAPITALIZE_WORD:
1811         case LFUN_TRANSPOSE_CHARS:
1812         case LFUN_PASTE:
1813         case LFUN_CUT:
1814         case LFUN_COPY:
1815         case LFUN_GETXY:
1816         case LFUN_SETXY:
1817         case LFUN_GETFONT:
1818         case LFUN_GETLAYOUT:
1819         case LFUN_LAYOUT:
1820         case LFUN_PASTESELECTION:
1821         case LFUN_DATE_INSERT:
1822         case LFUN_SELFINSERT:
1823         case LFUN_INSERT_LINE:
1824         case LFUN_INSERT_PAGEBREAK:
1825         case LFUN_MATH_DISPLAY:
1826         case LFUN_MATH_IMPORT_SELECTION:
1827         case LFUN_MATH_MODE:
1828         case LFUN_MATH_MACRO:
1829         case LFUN_INSERT_MATH:
1830         case LFUN_INSERT_MATRIX:
1831         case LFUN_MATH_DELIM:
1832         case LFUN_SUBSCRIPT:
1833         case LFUN_SUPERSCRIPT:
1834         case LFUN_DEFAULT:
1835         case LFUN_UNDERLINE:
1836         case LFUN_FONT_SIZE:
1837         case LFUN_LANGUAGE:
1838         case LFUN_FREEFONT_APPLY:
1839         case LFUN_FREEFONT_UPDATE:
1840         case LFUN_LAYOUT_PARAGRAPH:
1841         case LFUN_PARAGRAPH_UPDATE:
1842         case LFUN_UMLAUT:
1843         case LFUN_CIRCUMFLEX:
1844         case LFUN_GRAVE:
1845         case LFUN_ACUTE:
1846         case LFUN_TILDE:
1847         case LFUN_CEDILLA:
1848         case LFUN_MACRON:
1849         case LFUN_DOT:
1850         case LFUN_UNDERDOT:
1851         case LFUN_UNDERBAR:
1852         case LFUN_CARON:
1853         case LFUN_SPECIAL_CARON:
1854         case LFUN_BREVE:
1855         case LFUN_TIE:
1856         case LFUN_HUNG_UMLAUT:
1857         case LFUN_CIRCLE:
1858         case LFUN_OGONEK:
1859         case LFUN_ACCEPT_CHANGE:
1860         case LFUN_REJECT_CHANGE:
1861         case LFUN_THESAURUS_ENTRY:
1862         case LFUN_PARAGRAPH_APPLY:
1863         case LFUN_ESCAPE:
1864         case LFUN_ENDBUF:
1865         case LFUN_BEGINNINGBUF:
1866         case LFUN_BEGINNINGBUFSEL:
1867         case LFUN_ENDBUFSEL:
1868                 // these are handled in our dispatch()
1869                 enable = true;
1870                 break;
1871
1872         default:
1873                 return false;
1874         }
1875
1876         if (code != InsetBase::NO_CODE
1877             && (cur.empty() || !cur.inset().insetAllowed(code)))
1878                 enable = false;
1879
1880         flag.enabled(enable);
1881         return true;
1882 }