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