src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "FloatList.h"
  21 #include "FuncStatus.h"
  22 #include "buffer.h"
  23 #include "bufferparams.h"
  24 #include "BufferView.h"
  25 #include "cursor.h"
  26 #include "coordcache.h"
  27 #include "CutAndPaste.h"
  28 #include "debug.h"
  29 #include "dispatchresult.h"
  30 #include "factory.h"
  31 #include "funcrequest.h"
  32 #include "gettext.h"
  33 #include "intl.h"
  34 #include "language.h"
  35 #include "lyxfunc.h"
  36 #include "lyxlex.h"
  37 #include "lyxrc.h"
  38 #include "lyxrow.h"
  39 #include "paragraph.h"
  40 #include "paragraph_funcs.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo.h"
  43 #include "vspace.h"
  44
  45 #include "frontends/Dialogs.h"
  46 #include "frontends/LyXView.h"
  47
  48 #include "insets/insetcommand.h"
  49 #include "insets/insetfloatlist.h"
  50 #include "insets/insetnewline.h"
  51 #include "insets/insetquotes.h"
  52 #include "insets/insetspecialchar.h"
  53 #include "insets/insettext.h"
  54
  55 #include "support/lstrings.h"
  56 #include "support/lyxlib.h"
  57 #include "support/tostr.h"
  58
  59 #include "mathed/math_hullinset.h"
  60 #include "mathed/math_macrotemplate.h"
  61
  62 #include <clocale>
  63 #include <sstream>
  64
  65 using lyx::pos_type;
  66
  67 using lyx::cap::copySelection;
  68 using lyx::cap::cutSelection;
  69 using lyx::cap::pasteSelection;
  70 using lyx::cap::replaceSelection;
  71
  72 using lyx::support::isStrUnsignedInt;
  73 using lyx::support::strToUnsignedInt;
  74 using lyx::support::atoi;
  75 using lyx::support::token;
  76
  77 using std::endl;
  78 using std::find;
  79 using std::string;
  80 using std::istringstream;
  81 using std::vector;
  82
  83
  84 extern string current_layout;
  85
  86
  87 namespace {
  88
  89         // globals...
  90         LyXFont freefont(LyXFont::ALL_IGNORE);
  91         bool toggleall = false;
  92
  93
  94         void toggleAndShow(LCursor & cur, LyXText * text,
  95                 LyXFont const & font, bool toggleall = true)
  96         {
  97                 text->toggleFree(cur, font, toggleall);
  98
  99                 if (font.language() != ignore_language ||
 100                                 font.number() != LyXFont::IGNORE) {
 101                         Paragraph & par = cur.paragraph();
 102                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 103                         if (cur.boundary() !=
 104                                         text->bidi.isBoundary(cur.buffer(), par,
 105                                                         cur.pos(),
 106                                                         text->real_current_font))
 107                                 text->setCursor(cur, cur.pit(), cur.pos(),
 108                                                 false, !cur.boundary());
 109                 }
 110         }
 111
 112
 113         void moveCursor(LCursor & cur, bool selecting)
 114         {
 115                 if (selecting || cur.mark())
 116                         cur.setSelection();
 117                 if (!cur.selection())
 118                         cur.bv().haveSelection(false);
 119                 cur.bv().switchKeyMap();
 120         }
 121
 122
 123         void finishChange(LCursor & cur, bool selecting)
 124         {
 125                 finishUndo();
 126                 moveCursor(cur, selecting);
 127         }
 128
 129
 130         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 131         {
 132                 recordUndo(cur);
 133                 string sel = cur.selectionAsString(false);
 134                 lyxerr << "selection is: '" << sel << "'" << endl;
 135
 136                 if (sel.empty()) {
 137                         const int old_pos = cur.pos();
 138                         cur.insert(new MathHullInset);
 139                         BOOST_ASSERT(old_pos == cur.pos());
 140                         cur.nextInset()->edit(cur, true);
 141                         cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 142                         // don't do that also for LFUN_MATH_MODE
 143                         // unless you want end up with always changing
 144                         // to mathrm when opening an inlined inset --
 145                         // I really hate "LyXfunc overloading"...
 146                         if (display)
 147                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 148                         cur.dispatch(FuncRequest(LFUN_INSERT_MATH, cmd.argument));
 149                 } else {
 150                         // create a macro if we see "\\newcommand"
 151                         // somewhere, and an ordinary formula
 152                         // otherwise
 153                         cutSelection(cur, true, true);
 154                         if (sel.find("\\newcommand") == string::npos
 155                             && sel.find("\\def") == string::npos)
 156                         {
 157                                 cur.insert(new MathHullInset);
 158                                 cur.dispatch(FuncRequest(LFUN_RIGHT));
 159                                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
 160                                 cur.dispatch(FuncRequest(LFUN_INSERT_MATH, sel));
 161                         } else {
 162                                 istringstream is(sel);
 163                                 cur.insert(new MathMacroTemplate(is));
 164                         }
 165                 }
 166                 cur.message(N_("Math editor mode"));
 167         }
 168
 169 } // namespace anon
 170
 171
 172
 173 namespace bv_funcs {
 174
 175 string const freefont2string()
 176 {
 177         string data;
 178         if (font2string(freefont, toggleall, data))
 179                 return data;
 180         return string();
 181 }
 182
 183 }
 184
 185 bool LyXText::gotoNextInset(LCursor & cur,
 186         vector<InsetBase_code> const & codes, string const & contents)
 187 {
 188         BOOST_ASSERT(this == cur.text());
 189         pit_type end = paragraphs().size();
 190         pit_type pit = cur.pit();
 191         pos_type pos = cur.pos();
 192
 193         InsetBase * inset;
 194         do {
 195                 if (pos + 1 < pars_[pit].size()) {
 196                         ++pos;
 197                 } else  {
 198                         ++pit;
 199                         pos = 0;
 200                 }
 201
 202         } while (pit != end &&
 203                  !(pars_[pit].isInset(pos) &&
 204                    (inset = pars_[pit].getInset(pos)) != 0 &&
 205                    find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end() &&
 206                    (contents.empty() ||
 207                     static_cast<InsetCommand *>(pars_[pit].getInset(pos))->getContents()
 208                     == contents)));
 209
 210         if (pit == end)
 211                 return false;
 212
 213         setCursor(cur, pit, pos, false);
 214         return true;
 215 }
 216
 217
 218 void LyXText::gotoInset(LCursor & cur,
 219         vector<InsetBase_code> const & codes, bool same_content)
 220 {
 221         cur.clearSelection();
 222
 223         string contents;
 224         if (same_content
 225             && cur.pos() < cur.lastpos()
 226             && cur.paragraph().isInset(cur.pos())) {
 227                 InsetBase const * inset = cur.paragraph().getInset(cur.pos());
 228                 if (find(codes.begin(), codes.end(), inset->lyxCode())
 229                     != codes.end())
 230                         contents = static_cast<InsetCommand const *>(inset)->getContents();
 231         }
 232
 233         if (!gotoNextInset(cur, codes, contents)) {
 234                 if (cur.pos() || cur.pit() != 0) {
 235                         CursorSlice tmp = cur.top();
 236                         cur.pit() = 0;
 237                         cur.pos() = 0;
 238                         if (!gotoNextInset(cur, codes, contents)) {
 239                                 cur.top() = tmp;
 240                                 cur.message(_("No more insets"));
 241                         }
 242                 } else {
 243                         cur.message(_("No more insets"));
 244                 }
 245         }
 246         cur.resetAnchor();
 247 }
 248
 249
 250 void LyXText::gotoInset(LCursor & cur, InsetBase_code code, bool same_content)
 251 {
 252         gotoInset(cur, vector<InsetBase_code>(1, code), same_content);
 253 }
 254
 255
 256 void LyXText::cursorPrevious(LCursor & cur)
 257 {
 258         pos_type cpos = cur.pos();
 259         lyx::pit_type cpar = cur.pit();
 260
 261         int x = cur.x_target();
 262
 263         setCursorFromCoordinates(cur, x, 0);
 264         cursorUp(cur);
 265
 266         if (cpar == cur.pit() && cpos == cur.pos()) {
 267                 // we have a row which is taller than the workarea. The
 268                 // simplest solution is to move to the previous row instead.
 269                 cursorUp(cur);
 270         }
 271
 272         cur.bv().updateScrollbar();
 273         finishUndo();
 274 }
 275
 276
 277 void LyXText::cursorNext(LCursor & cur)
 278 {
 279         pos_type cpos = cur.pos();
 280         lyx::pit_type cpar = cur.pit();
 281
 282         int x = cur.x_target();
 283         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 284         cursorDown(cur);
 285
 286         if (cpar == cur.pit() && cpos == cur.pos()) {
 287                 // we have a row which is taller than the workarea. The
 288                 // simplest solution is to move to the next row instead.
 289                 cursorDown(cur);
 290         }
 291
 292         cur.bv().updateScrollbar();
 293         finishUndo();
 294 }
 295
 296
 297 namespace {
 298
 299 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 300 {
 301         lyx::cap::replaceSelection(cur);
 302         cur.insert(new InsetSpecialChar(kind));
 303         cur.posRight();
 304 }
 305
 306
 307 void doInsertInset(LCursor & cur, LyXText * text,
 308         FuncRequest const & cmd, bool edit, bool pastesel)
 309 {
 310         InsetBase * inset = createInset(&cur.bv(), cmd);
 311         if (!inset)
 312                 return;
 313
 314         recordUndo(cur);
 315         bool gotsel = false;
 316         if (cur.selection()) {
 317                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 318                 gotsel = true;
 319         }
 320         text->insertInset(cur, inset);
 321
 322         if (edit)
 323                 inset->edit(cur, true);
 324
 325         if (gotsel && pastesel)
 326                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 327 }
 328
 329
 330 void update(LCursor & cur)
 331 {
 332         //we don't call update(true, false) directly to save a metrics call
 333         if (cur.bv().fitCursor())
 334                 cur.bv().update(false, true);
 335 }
 336
 337
 338 } // anon namespace
 339
 340
 341 void LyXText::number(LCursor & cur)
 342 {
 343         LyXFont font(LyXFont::ALL_IGNORE);
 344         font.setNumber(LyXFont::TOGGLE);
 345         toggleAndShow(cur, this, font);
 346 }
 347
 348
 349 bool LyXText::isRTL(Paragraph const & par) const
 350 {
 351         return par.isRightToLeftPar(bv()->buffer()->params());
 352 }
 353
 354
 355 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 356 {
 357         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 358         //lyxerr << "*** LyXText::dispatch: cmd: " << cmd << endl;
 359
 360         BOOST_ASSERT(cur.text() == this);
 361         BufferView * bv = &cur.bv();
 362         CursorSlice sl = cur.top();
 363         bool sel = cur.selection();
 364         bool moving = false;
 365
 366         switch (cmd.action) {
 367
 368         case LFUN_APPENDIX: {
 369                 Paragraph & par = cur.paragraph();
 370                 bool start = !par.params().startOfAppendix();
 371
 372                 // ensure that we have only one start_of_appendix in this document
 373                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 374                         if (pars_[tmp].params().startOfAppendix()) {
 375                                 recUndo(tmp);
 376                                 pars_[tmp].params().startOfAppendix(false);
 377                                 break;
 378                         }
 379                 }
 380
 381                 recordUndo(cur);
 382                 par.params().startOfAppendix(start);
 383
 384                 // we can set the refreshing parameters now
 385                 updateCounters();
 386                 break;
 387         }
 388
 389         case LFUN_DELETE_WORD_FORWARD:
 390                 cur.clearSelection();
 391                 deleteWordForward(cur);
 392                 finishChange(cur, false);
 393                 break;
 394
 395         case LFUN_DELETE_WORD_BACKWARD:
 396                 cur.clearSelection();
 397                 deleteWordBackward(cur);
 398                 finishChange(cur, false);
 399                 break;
 400
 401         case LFUN_DELETE_LINE_FORWARD:
 402                 cur.clearSelection();
 403                 deleteLineForward(cur);
 404                 finishChange(cur, false);
 405                 break;
 406
 407         case LFUN_WORDRIGHT:
 408                 moving = true;
 409                 if (!cur.mark())
 410                         cur.clearSelection();
 411                 if (isRTL(cur.paragraph()))
 412                         cursorLeftOneWord(cur);
 413                 else
 414                         cursorRightOneWord(cur);
 415                 finishChange(cur, false);
 416                 break;
 417
 418         case LFUN_WORDLEFT:
 419                 moving = true;
 420                 if (!cur.mark())
 421                         cur.clearSelection();
 422                 if (isRTL(cur.paragraph()))
 423                         cursorRightOneWord(cur);
 424                 else
 425                         cursorLeftOneWord(cur);
 426                 finishChange(cur, false);
 427                 break;
 428
 429         case LFUN_BEGINNINGBUF:
 430                 if (cur.size() == 1) {
 431                         if (!cur.mark())
 432                                 cur.clearSelection();
 433                         cursorTop(cur);
 434                         finishChange(cur, false);
 435                 } else {
 436                         cur.undispatched();
 437                 }
 438                 break;
 439
 440         case LFUN_BEGINNINGBUFSEL:
 441                 if (cur.size() == 1) {
 442                         if (!cur.selection())
 443                                 cur.resetAnchor();
 444                         cursorTop(cur);
 445                         finishChange(cur, true);
 446                 } else {
 447                         cur.undispatched();
 448                 }
 449                 break;
 450
 451         case LFUN_ENDBUF:
 452                 if (cur.size() == 1) {
 453                         if (!cur.mark())
 454                                 cur.clearSelection();
 455                         cursorBottom(cur);
 456                         finishChange(cur, false);
 457                 } else {
 458                         cur.undispatched();
 459                 }
 460                 break;
 461
 462         case LFUN_ENDBUFSEL:
 463                 if (cur.size() == 1) {
 464                         if (!cur.selection())
 465                                 cur.resetAnchor();
 466                         cursorBottom(cur);
 467                         finishChange(cur, true);
 468                 } else {
 469                         cur.undispatched();
 470                 }
 471                 break;
 472
 473         case LFUN_RIGHT:
 474                 moving = true;
 475         case LFUN_RIGHTSEL:
 476                 //lyxerr << "handle LFUN_RIGHT[SEL]:\n" << cur << endl;
 477                 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
 478                 if (isRTL(cur.paragraph()))
 479                         cursorLeft(cur);
 480                 else
 481                         cursorRight(cur);
 482                 if (sl == cur.top()) {
 483                         cur.undispatched();
 484                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 485                 }
 486                 break;
 487
 488         case LFUN_LEFT:
 489                 moving = true;
 490         case LFUN_LEFTSEL:
 491                 //lyxerr << "handle LFUN_LEFT[SEL]:\n" << cur << endl;
 492                 cur.selHandle(cmd.action == LFUN_LEFTSEL);
 493                 if (isRTL(cur.paragraph()))
 494                         cursorRight(cur);
 495                 else
 496                         cursorLeft(cur);
 497                 if (sl == cur.top()) {
 498                         cur.undispatched();
 499                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 500                 }
 501                 break;
 502
 503         case LFUN_UP:
 504                 moving = true;
 505         case LFUN_UPSEL:
 506                 update(cur);
 507                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 508                 cur.selHandle(cmd.action == LFUN_UPSEL);
 509                 cursorUp(cur);
 510                 if (sl == cur.top()) {
 511                         cur.undispatched();
 512                         cmd = FuncRequest(LFUN_FINISHED_UP);
 513                 }
 514                 break;
 515
 516         case LFUN_DOWN:
 517                 moving = true;
 518         case LFUN_DOWNSEL:
 519                 update(cur);
 520                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 521                 cur.selHandle(cmd.action == LFUN_DOWNSEL);
 522                 cursorDown(cur);
 523                 if (sl == cur.top()) {
 524                         cur.undispatched();
 525                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 526                 }
 527                 break;
 528
 529         case LFUN_UP_PARAGRAPHSEL:
 530                 if (!cur.selection())
 531                         cur.resetAnchor();
 532                 cursorUpParagraph(cur);
 533                 finishChange(cur, true);
 534                 break;
 535
 536         case LFUN_DOWN_PARAGRAPHSEL:
 537                 if (!cur.selection())
 538                         cur.resetAnchor();
 539                 cursorDownParagraph(cur);
 540                 finishChange(cur, true);
 541                 break;
 542
 543         case LFUN_PRIORSEL:
 544                 update(cur);
 545                 if (!cur.selection())
 546                         cur.resetAnchor();
 547                 cursorPrevious(cur);
 548                 finishChange(cur, true);
 549                 break;
 550
 551         case LFUN_NEXTSEL:
 552                 update(cur);
 553                 if (!cur.selection())
 554                         cur.resetAnchor();
 555                 cursorNext(cur);
 556                 finishChange(cur, true);
 557                 break;
 558
 559         case LFUN_HOMESEL:
 560                 update(cur);
 561                 if (!cur.selection())
 562                         cur.resetAnchor();
 563                 cursorHome(cur);
 564                 finishChange(cur, true);
 565                 break;
 566
 567         case LFUN_ENDSEL:
 568                 update(cur);
 569                 if (!cur.selection())
 570                         cur.resetAnchor();
 571                 cursorEnd(cur);
 572                 finishChange(cur, true);
 573                 break;
 574
 575         case LFUN_WORDRIGHTSEL:
 576                 if (!cur.selection())
 577                         cur.resetAnchor();
 578                 if (isRTL(cur.paragraph()))
 579                         cursorLeftOneWord(cur);
 580                 else
 581                         cursorRightOneWord(cur);
 582                 finishChange(cur, true);
 583                 break;
 584
 585         case LFUN_WORDLEFTSEL:
 586                 if (!cur.selection())
 587                         cur.resetAnchor();
 588                 if (isRTL(cur.paragraph()))
 589                         cursorRightOneWord(cur);
 590                 else
 591                         cursorLeftOneWord(cur);
 592                 finishChange(cur, true);
 593                 break;
 594
 595         case LFUN_WORDSEL: {
 596                 selectWord(cur, lyx::WHOLE_WORD);
 597                 finishChange(cur, true);
 598                 break;
 599         }
 600
 601         case LFUN_UP_PARAGRAPH:
 602                 moving = true;
 603                 if (!cur.mark())
 604                         cur.clearSelection();
 605                 cursorUpParagraph(cur);
 606                 finishChange(cur, false);
 607                 break;
 608
 609         case LFUN_DOWN_PARAGRAPH:
 610                 moving = true;
 611                 if (!cur.mark())
 612                         cur.clearSelection();
 613                 cursorDownParagraph(cur);
 614                 finishChange(cur, false);
 615                 break;
 616
 617         case LFUN_PRIOR:
 618                 update(cur);
 619                 moving = true;
 620                 if (!cur.mark())
 621                         cur.clearSelection();
 622                 finishChange(cur, false);
 623                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 624                         cur.undispatched();
 625                         cmd = FuncRequest(LFUN_FINISHED_UP);
 626                 } else {
 627                         cursorPrevious(cur);
 628                 }
 629                 break;
 630
 631         case LFUN_NEXT:
 632                 update(cur);
 633                 moving = true;
 634                 if (!cur.mark())
 635                         cur.clearSelection();
 636                 finishChange(cur, false);
 637                 if (cur.pit() == cur.lastpit()
 638                           && cur.textRow().endpos() == cur.lastpos()) {
 639                         cur.undispatched();
 640                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 641                 } else {
 642                         cursorNext(cur);
 643                 }
 644                 break;
 645
 646         case LFUN_HOME:
 647                 if (!cur.mark())
 648                         cur.clearSelection();
 649                 cursorHome(cur);
 650                 finishChange(cur, false);
 651                 break;
 652
 653         case LFUN_END:
 654                 if (!cur.mark())
 655                         cur.clearSelection();
 656                 cursorEnd(cur);
 657                 finishChange(cur, false);
 658                 break;
 659
 660         case LFUN_BREAKLINE: {
 661                 // Not allowed by LaTeX (labels or empty par)
 662                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 663                         lyx::cap::replaceSelection(cur);
 664                         cur.insert(new InsetNewline);
 665                         cur.posRight();
 666                         moveCursor(cur, false);
 667                 }
 668                 break;
 669         }
 670
 671         case LFUN_DELETE:
 672                 if (!cur.selection()) {
 673                         Delete(cur);
 674                         cur.resetAnchor();
 675                         // It is possible to make it a lot faster still
 676                         // just comment out the line below...
 677                 } else {
 678                         cutSelection(cur, true, false);
 679                 }
 680                 moveCursor(cur, false);
 681                 break;
 682
 683         case LFUN_DELETE_SKIP:
 684                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 685                 if (!cur.selection()) {
 686                         if (cur.pos() == cur.lastpos()) {
 687                                 cursorRight(cur);
 688                                 cursorLeft(cur);
 689                         }
 690                         Delete(cur);
 691                         cur.resetAnchor();
 692                 } else {
 693                         cutSelection(cur, true, false);
 694                 }
 695                 break;
 696
 697
 698         case LFUN_BACKSPACE:
 699                 if (!cur.selection()) {
 700                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 701                                 backspace(cur);
 702                                 cur.resetAnchor();
 703                                 // It is possible to make it a lot faster still
 704                                 // just comment out the line below...
 705                         }
 706                 } else {
 707                         cutSelection(cur, true, false);
 708                 }
 709                 bv->switchKeyMap();
 710                 break;
 711
 712         case LFUN_BACKSPACE_SKIP:
 713                 // Reverse the effect of LFUN_BREAKPARAGRAPH_SKIP.
 714                 if (!cur.selection()) {
 715 #ifdef WITH_WARNINGS
 716 #warning look here
 717 #endif
 718                         //CursorSlice cur = cursor();
 719                         backspace(cur);
 720                         //anchor() = cur;
 721                 } else {
 722                         cutSelection(cur, true, false);
 723                 }
 724                 break;
 725
 726         case LFUN_BREAKPARAGRAPH:
 727                 lyx::cap::replaceSelection(cur);
 728                 breakParagraph(cur, 0);
 729                 cur.resetAnchor();
 730                 bv->switchKeyMap();
 731                 break;
 732
 733         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 734                 lyx::cap::replaceSelection(cur);
 735                 breakParagraph(cur, 1);
 736                 cur.resetAnchor();
 737                 bv->switchKeyMap();
 738                 break;
 739
 740         case LFUN_BREAKPARAGRAPH_SKIP: {
 741                 // When at the beginning of a paragraph, remove
 742                 // indentation.  Otherwise, do the same as LFUN_BREAKPARAGRAPH.
 743                 lyx::cap::replaceSelection(cur);
 744                 if (cur.pos() == 0)
 745                         cur.paragraph().params().labelWidthString(string());
 746                 else
 747                         breakParagraph(cur, 0);
 748                 cur.resetAnchor();
 749                 bv->switchKeyMap();
 750                 break;
 751         }
 752
 753         case LFUN_PARAGRAPH_SPACING: {
 754                 Paragraph & par = cur.paragraph();
 755                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 756                 float cur_value = 1.0;
 757                 if (cur_spacing == Spacing::Other)
 758                         cur_value = par.params().spacing().getValue();
 759
 760                 istringstream is(cmd.argument);
 761                 string tmp;
 762                 is >> tmp;
 763                 Spacing::Space new_spacing = cur_spacing;
 764                 float new_value = cur_value;
 765                 if (tmp.empty()) {
 766                         lyxerr << "Missing argument to `paragraph-spacing'"
 767                                << endl;
 768                 } else if (tmp == "single") {
 769                         new_spacing = Spacing::Single;
 770                 } else if (tmp == "onehalf") {
 771                         new_spacing = Spacing::Onehalf;
 772                 } else if (tmp == "double") {
 773                         new_spacing = Spacing::Double;
 774                 } else if (tmp == "other") {
 775                         new_spacing = Spacing::Other;
 776                         float tmpval = 0.0;
 777                         is >> tmpval;
 778                         lyxerr << "new_value = " << tmpval << endl;
 779                         if (tmpval != 0.0)
 780                                 new_value = tmpval;
 781                 } else if (tmp == "default") {
 782                         new_spacing = Spacing::Default;
 783                 } else {
 784                         lyxerr << _("Unknown spacing argument: ")
 785                                << cmd.argument << endl;
 786                 }
 787                 if (cur_spacing != new_spacing || cur_value != new_value)
 788                         par.params().spacing(Spacing(new_spacing, new_value));
 789                 break;
 790         }
 791
 792         case LFUN_INSET_APPLY: {
 793                 string const name = cmd.getArg(0);
 794                 InsetBase * inset = bv->owner()->getDialogs().getOpenInset(name);
 795                 if (inset) {
 796                         FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
 797                         inset->dispatch(cur, fr);
 798                 } else {
 799                         FuncRequest fr(LFUN_INSET_INSERT, cmd.argument);
 800                         dispatch(cur, fr);
 801                 }
 802                 break;
 803         }
 804
 805         case LFUN_INSET_INSERT: {
 806                 recordUndo(cur);
 807                 InsetBase * inset = createInset(bv, cmd);
 808                 if (inset) {
 809                         insertInset(cur, inset);
 810                         cur.posRight();
 811                 }
 812                 break;
 813         }
 814
 815         case LFUN_INSET_SETTINGS:
 816                 if (cur.inset().asUpdatableInset())
 817                         cur.inset().asUpdatableInset()->showInsetDialog(bv);
 818                 break;
 819
 820         case LFUN_NEXT_INSET_TOGGLE: {
 821                 InsetBase * inset = cur.nextInset();
 822                 if (inset) {
 823                         cur.clearSelection();
 824                         FuncRequest fr = cmd;
 825                         fr.action = LFUN_INSET_TOGGLE;
 826                         inset->dispatch(cur, fr);
 827                 }
 828                 break;
 829         }
 830
 831         case LFUN_KEYMAP_TOGGLE:
 832                 cur.clearSelection();
 833                 bv->switchKeyMap();
 834                 break;
 835
 836         case LFUN_SPACE_INSERT:
 837                 if (cur.paragraph().layout()->free_spacing)
 838                         insertChar(cur, ' ');
 839                 else {
 840                         doInsertInset(cur, this, cmd, false, false);
 841                         cur.posRight();
 842                 }
 843                 moveCursor(cur, false);
 844                 break;
 845
 846         case LFUN_HYPHENATION:
 847                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 848                 break;
 849
 850         case LFUN_LIGATURE_BREAK:
 851                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 852                 break;
 853
 854         case LFUN_LDOTS:
 855                 specialChar(cur, InsetSpecialChar::LDOTS);
 856                 break;
 857
 858         case LFUN_END_OF_SENTENCE:
 859                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 860                 break;
 861
 862         case LFUN_MENU_SEPARATOR:
 863                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 864                 break;
 865
 866         case LFUN_UPCASE_WORD:
 867                 changeCase(cur, LyXText::text_uppercase);
 868                 break;
 869
 870         case LFUN_LOWCASE_WORD:
 871                 changeCase(cur, LyXText::text_lowercase);
 872                 break;
 873
 874         case LFUN_CAPITALIZE_WORD:
 875                 changeCase(cur, LyXText::text_capitalization);
 876                 break;
 877
 878         case LFUN_TRANSPOSE_CHARS:
 879                 recordUndo(cur);
 880                 break;
 881
 882         case LFUN_PASTE:
 883                 cur.message(_("Paste"));
 884                 lyx::cap::replaceSelection(cur);
 885 #ifdef WITH_WARNINGS
 886 #warning FIXME Check if the arg is in the domain of available selections.
 887 #endif
 888                 if (isStrUnsignedInt(cmd.argument))
 889                         pasteSelection(cur, strToUnsignedInt(cmd.argument));
 890                 else
 891                         pasteSelection(cur, 0);
 892                 cur.clearSelection(); // bug 393
 893                 bv->switchKeyMap();
 894                 finishUndo();
 895                 break;
 896
 897         case LFUN_CUT:
 898                 cutSelection(cur, true, true);
 899                 cur.message(_("Cut"));
 900                 break;
 901
 902         case LFUN_COPY:
 903                 copySelection(cur);
 904                 cur.message(_("Copy"));
 905                 break;
 906
 907         case LFUN_GETXY:
 908                 cur.message(tostr(cursorX(cur.top())) + ' '
 909                           + tostr(cursorY(cur.top())));
 910                 break;
 911
 912         case LFUN_SETXY: {
 913                 int x = 0;
 914                 int y = 0;
 915                 istringstream is(cmd.argument);
 916                 is >> x >> y;
 917                 if (!is)
 918                         lyxerr << "SETXY: Could not parse coordinates in '"
 919                                << cmd.argument << std::endl;
 920                 else
 921                         setCursorFromCoordinates(cur, x, y);
 922                 break;
 923         }
 924
 925         case LFUN_GETFONT:
 926                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 927                         cur.message("E");
 928                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 929                         cur.message("N");
 930                 else
 931                         cur.message("0");
 932                 break;
 933
 934         case LFUN_GETLAYOUT:
 935                 cur.message(cur.paragraph().layout()->name());
 936                 break;
 937
 938         case LFUN_LAYOUT: {
 939                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 940                   << cmd.argument << endl;
 941
 942                 // This is not the good solution to the empty argument
 943                 // problem, but it will hopefully suffice for 1.2.0.
 944                 // The correct solution would be to augument the
 945                 // function list/array with information about what
 946                 // functions needs arguments and their type.
 947                 if (cmd.argument.empty()) {
 948                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 949                         break;
 950                 }
 951
 952                 // Derive layout number from given argument (string)
 953                 // and current buffer's textclass (number)
 954                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 955                 bool hasLayout = tclass.hasLayout(cmd.argument);
 956                 string layout = cmd.argument;
 957
 958                 // If the entry is obsolete, use the new one instead.
 959                 if (hasLayout) {
 960                         string const & obs = tclass[layout]->obsoleted_by();
 961                         if (!obs.empty())
 962                                 layout = obs;
 963                 }
 964
 965                 if (!hasLayout) {
 966                         cur.errorMessage(string(N_("Layout ")) + cmd.argument +
 967                                 N_(" not known"));
 968                         break;
 969                 }
 970
 971                 bool change_layout = (current_layout != layout);
 972
 973                 if (!change_layout && cur.selection() &&
 974                         cur.selBegin().pit() != cur.selEnd().pit())
 975                 {
 976                         pit_type spit = cur.selBegin().pit();
 977                         pit_type epit = cur.selEnd().pit() + 1;
 978                         while (spit != epit) {
 979                                 if (pars_[spit].layout()->name() != current_layout) {
 980                                         change_layout = true;
 981                                         break;
 982                                 }
 983                                 ++spit;
 984                         }
 985                 }
 986
 987                 if (change_layout) {
 988                         current_layout = layout;
 989                         setLayout(cur, layout);
 990                         bv->owner()->setLayout(layout);
 991                         bv->switchKeyMap();
 992                 }
 993                 break;
 994         }
 995
 996         case LFUN_PASTESELECTION: {
 997                 cur.clearSelection();
 998                 string const clip = bv->getClipboard();
 999                 if (!clip.empty()) {
1000                         if (cmd.argument == "paragraph")
1001                                 insertStringAsParagraphs(cur, clip);
1002                         else
1003                                 insertStringAsLines(cur, clip);
1004                 }
1005                 break;
1006         }
1007
1008         case LFUN_GOTOERROR:
1009                 gotoInset(cur, InsetBase::ERROR_CODE, false);
1010                 break;
1011
1012         case LFUN_GOTONOTE:
1013                 gotoInset(cur, InsetBase::NOTE_CODE, false);
1014                 break;
1015
1016         case LFUN_REFERENCE_GOTO: {
1017                 vector<InsetBase_code> tmp;
1018                 tmp.push_back(InsetBase::LABEL_CODE);
1019                 tmp.push_back(InsetBase::REF_CODE);
1020                 gotoInset(cur, tmp, true);
1021                 break;
1022         }
1023
1024         case LFUN_QUOTE: {
1025                 lyx::cap::replaceSelection(cur);
1026                 Paragraph & par = cur.paragraph();
1027                 lyx::pos_type pos = cur.pos();
1028                 char c;
1029                 if (pos == 0)
1030                         c = ' ';
1031                 else if (cur.prevInset() && cur.prevInset()->isSpace())
1032                         c = ' ';
1033                 else
1034                         c = par.getChar(pos - 1);
1035
1036                 LyXLayout_ptr const & style = par.layout();
1037
1038                 BufferParams const & bufparams = bv->buffer()->params();
1039                 if (!style->pass_thru
1040                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
1041                         string arg = cmd.argument;
1042                         if (arg == "single")
1043                                 cur.insert(new InsetQuotes(c,
1044                                     bufparams.quotes_language,
1045                                     InsetQuotes::SingleQ));
1046                         else if (arg == "double")
1047                                 cur.insert(new InsetQuotes(c,
1048                                     bufparams.quotes_language,
1049                                     InsetQuotes::DoubleQ));
1050                         else
1051                                 cur.insert(new InsetQuotes(c, bufparams));
1052                         cur.posRight();
1053                 }
1054                 else
1055                         bv->owner()->dispatch(FuncRequest(LFUN_SELFINSERT, "\""));
1056                 break;
1057         }
1058
1059         case LFUN_DATE_INSERT: {
1060                 lyx::cap::replaceSelection(cur);
1061                 time_t now_time_t = time(NULL);
1062                 struct tm * now_tm = localtime(&now_time_t);
1063                 setlocale(LC_TIME, "");
1064                 string arg;
1065                 if (!cmd.argument.empty())
1066                         arg = cmd.argument;
1067                 else
1068                         arg = lyxrc.date_insert_format;
1069                 char datetmp[32];
1070                 int const datetmp_len =
1071                         ::strftime(datetmp, 32, arg.c_str(), now_tm);
1072
1073                 for (int i = 0; i < datetmp_len; i++)
1074                         insertChar(cur, datetmp[i]);
1075
1076                 cur.resetAnchor();
1077                 moveCursor(cur, false);
1078                 break;
1079         }
1080
1081         case LFUN_MOUSE_TRIPLE:
1082                 if (cmd.button() == mouse_button::button1) {
1083                         cursorHome(cur);
1084                         cur.resetAnchor();
1085                         cursorEnd(cur);
1086                         cur.setSelection();
1087                         bv->haveSelection(cur.selection());
1088                 }
1089                 break;
1090
1091         case LFUN_MOUSE_DOUBLE:
1092                 if (cmd.button() == mouse_button::button1) {
1093                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
1094                         bv->haveSelection(cur.selection());
1095                 }
1096                 break;
1097
1098         // Single-click on work area
1099         case LFUN_MOUSE_PRESS: {
1100                 // Right click on a footnote flag opens float menu
1101                 if (cmd.button() == mouse_button::button3) {
1102                         cur.clearSelection();
1103                         break;
1104                 }
1105
1106                 // Middle button press pastes if we have a selection
1107                 // We do this here as if the selection was inside an inset
1108                 // it could get cleared on the unlocking of the inset so
1109                 // we have to check this first
1110                 bool paste_internally = false;
1111                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1112                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1113                         paste_internally = true;
1114                 }
1115
1116                 // Clear the selection
1117                 cur.clearSelection();
1118
1119                 setCursorFromCoordinates(cur, cmd.x, cmd.y);
1120                 cur.resetAnchor();
1121                 finishUndo();
1122                 cur.setTargetX();
1123
1124                 // Has the cursor just left the inset?
1125                 if (bv->cursor().inMathed() && !cur.inMathed())
1126                         bv->cursor().inset().notifyCursorLeaves(bv->cursor());
1127
1128                 // Set cursor here.
1129                 bv->cursor() = cur;
1130
1131                 // Insert primary selection with middle mouse
1132                 // if there is a local selection in the current buffer,
1133                 // insert this
1134                 if (cmd.button() == mouse_button::button2) {
1135                         if (paste_internally)
1136                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1137                         else
1138                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTESELECTION, "paragraph"));
1139                 }
1140
1141                 break;
1142         }
1143
1144         case LFUN_MOUSE_MOTION: {
1145                 // Only use motion with button 1
1146                 //if (cmd.button() != mouse_button::button1)
1147                 //      return false;
1148
1149                 // ignore motions deeper nested than the real anchor
1150                 LCursor & bvcur = cur.bv().cursor();
1151                 if (bvcur.anchor_.hasPart(cur)) {
1152                         CursorSlice old = bvcur.top();
1153
1154                         int const wh = bv->workHeight();
1155                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1156
1157                         setCursorFromCoordinates(cur, cmd.x, y);
1158                         cur.x_target() = cmd.x;
1159                         if (cmd.y >= wh)
1160                                 cursorDown(cur);
1161                         else if (cmd.y < 0)
1162                                 cursorUp(cur);
1163                         // This is to allow jumping over large insets
1164                         if (cur.top() == old) {
1165                                 if (cmd.y >= wh)
1166                                         cursorDown(cur);
1167                                 else if (cmd.y < 0)
1168                                         cursorUp(cur);
1169                         }
1170
1171                         if (cur.top() == old)
1172                                 cur.noUpdate();
1173                         else {
1174                                 // don't set anchor_
1175                                 bvcur.setCursor(cur);
1176                                 bvcur.selection() = true;
1177                                 lyxerr << "MOTION: " << bv->cursor() << endl;
1178                         }
1179
1180                 } else
1181                         cur.undispatched();
1182                 break;
1183         }
1184
1185         case LFUN_MOUSE_RELEASE: {
1186                 if (cmd.button() == mouse_button::button2)
1187                         break;
1188
1189                 // finish selection
1190                 if (cmd.button() == mouse_button::button1)
1191                         bv->haveSelection(cur.selection());
1192
1193                 bv->switchKeyMap();
1194                 bv->owner()->updateMenubar();
1195                 bv->owner()->updateToolbars();
1196                 break;
1197         }
1198
1199         case LFUN_SELFINSERT: {
1200                 if (cmd.argument.empty())
1201                         break;
1202
1203                 // Automatically delete the currently selected
1204                 // text and replace it with what is being
1205                 // typed in now. Depends on lyxrc settings
1206                 // "auto_region_delete", which defaults to
1207                 // true (on).
1208
1209                 if (lyxrc.auto_region_delete) {
1210                         if (cur.selection())
1211                                 cutSelection(cur, false, false);
1212                         bv->haveSelection(false);
1213                 }
1214
1215                 cur.clearSelection();
1216                 LyXFont const old_font = real_current_font;
1217
1218                 string::const_iterator cit = cmd.argument.begin();
1219                 string::const_iterator end = cmd.argument.end();
1220                 for (; cit != end; ++cit)
1221                         bv->owner()->getIntl().getTransManager().
1222                                 TranslateAndInsert(*cit, this);
1223
1224                 cur.resetAnchor();
1225                 moveCursor(cur, false);
1226
1227                 // real_current_font.number can change so we need to
1228                 // update the minibuffer
1229                 if (old_font != real_current_font)
1230                 bv->updateScrollbar();
1231                 break;
1232         }
1233
1234         case LFUN_URL: {
1235                 InsetCommandParams p("url");
1236                 string const data = InsetCommandMailer::params2string("url", p);
1237                 bv->owner()->getDialogs().show("url", data, 0);
1238                 break;
1239         }
1240
1241         case LFUN_HTMLURL: {
1242                 InsetCommandParams p("htmlurl");
1243                 string const data = InsetCommandMailer::params2string("url", p);
1244                 bv->owner()->getDialogs().show("url", data, 0);
1245                 break;
1246         }
1247
1248         case LFUN_INSERT_LABEL: {
1249                 // Try to generate a valid label
1250                 string const contents = cmd.argument.empty() ?
1251                         cur.getPossibleLabel() : cmd.argument;
1252
1253                 InsetCommandParams p("label", contents);
1254                 string const data = InsetCommandMailer::params2string("label", p);
1255
1256                 if (cmd.argument.empty()) {
1257                         bv->owner()->getDialogs().show("label", data, 0);
1258                 } else {
1259                         FuncRequest fr(LFUN_INSET_INSERT, data);
1260                         dispatch(cur, fr);
1261                 }
1262                 break;
1263         }
1264
1265
1266 #if 0
1267         case LFUN_INSET_LIST:
1268         case LFUN_INSET_THEOREM:
1269         case LFUN_INSET_CAPTION:
1270 #endif
1271         case LFUN_INSERT_NOTE:
1272         case LFUN_INSERT_CHARSTYLE:
1273         case LFUN_INSERT_BOX:
1274         case LFUN_INSERT_BRANCH:
1275         case LFUN_INSERT_BIBITEM:
1276         case LFUN_INSET_ERT:
1277         case LFUN_INSET_FLOAT:
1278         case LFUN_INSET_FOOTNOTE:
1279         case LFUN_INSET_MARGINAL:
1280         case LFUN_INSET_OPTARG:
1281         case LFUN_INSET_WIDE_FLOAT:
1282         case LFUN_INSET_WRAP:
1283         case LFUN_TABULAR_INSERT:
1284         case LFUN_ENVIRONMENT_INSERT:
1285                 // Open the inset, and move the current selection
1286                 // inside it.
1287                 doInsertInset(cur, this, cmd, true, true);
1288                 cur.posRight();
1289                 break;
1290
1291         case LFUN_INDEX_INSERT:
1292                 // Just open the inset
1293                 doInsertInset(cur, this, cmd, true, false);
1294                 cur.posRight();
1295                 break;
1296
1297         case LFUN_INDEX_PRINT:
1298         case LFUN_TOC_INSERT:
1299         case LFUN_HFILL:
1300         case LFUN_INSERT_LINE:
1301         case LFUN_INSERT_PAGEBREAK:
1302                 // do nothing fancy
1303                 doInsertInset(cur, this, cmd, false, false);
1304                 cur.posRight();
1305                 break;
1306
1307         case LFUN_DEPTH_MIN:
1308                 changeDepth(cur, DEC_DEPTH);
1309                 break;
1310
1311         case LFUN_DEPTH_PLUS:
1312                 changeDepth(cur, INC_DEPTH);
1313                 break;
1314
1315         case LFUN_MATH_DISPLAY:
1316                 mathDispatch(cur, cmd, true);
1317                 break;
1318
1319         case LFUN_MATH_IMPORT_SELECTION:
1320         case LFUN_MATH_MODE:
1321                 if (cmd.argument == "on")
1322                         // don't pass "on" as argument
1323                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1324                 else
1325                         mathDispatch(cur, cmd, false);
1326                 break;
1327
1328         case LFUN_MATH_MACRO:
1329                 if (cmd.argument.empty())
1330                         cur.errorMessage(N_("Missing argument"));
1331                 else {
1332                         string s = cmd.argument;
1333                         string const s1 = token(s, ' ', 1);
1334                         int const nargs = s1.empty() ? 0 : atoi(s1);
1335                         string const s2 = token(s, ' ', 2);
1336                         string const type = s2.empty() ? "newcommand" : s2;
1337                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, s2));
1338                         //cur.nextInset()->edit(cur, true);
1339                 }
1340                 break;
1341
1342         // passthrough hat and underscore outside mathed:
1343         case LFUN_SUBSCRIPT:
1344                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "_"), false);
1345                 break;
1346         case LFUN_SUPERSCRIPT:
1347                 mathDispatch(cur, FuncRequest(LFUN_SELFINSERT, "^"), false);
1348                 break;
1349
1350         case LFUN_INSERT_MATH:
1351         case LFUN_INSERT_MATRIX:
1352         case LFUN_MATH_DELIM: {
1353                 cur.insert(new MathHullInset);
1354                 cur.dispatch(FuncRequest(LFUN_RIGHT));
1355                 cur.dispatch(FuncRequest(LFUN_MATH_MUTATE, "simple"));
1356                 cur.dispatch(cmd);
1357                 break;
1358         }
1359
1360         case LFUN_EMPH: {
1361                 LyXFont font(LyXFont::ALL_IGNORE);
1362                 font.setEmph(LyXFont::TOGGLE);
1363                 toggleAndShow(cur, this, font);
1364                 break;
1365         }
1366
1367         case LFUN_BOLD: {
1368                 LyXFont font(LyXFont::ALL_IGNORE);
1369                 font.setSeries(LyXFont::BOLD_SERIES);
1370                 toggleAndShow(cur, this, font);
1371                 break;
1372         }
1373
1374         case LFUN_NOUN: {
1375                 LyXFont font(LyXFont::ALL_IGNORE);
1376                 font.setNoun(LyXFont::TOGGLE);
1377                 toggleAndShow(cur, this, font);
1378                 break;
1379         }
1380
1381         case LFUN_CODE: {
1382                 LyXFont font(LyXFont::ALL_IGNORE);
1383                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1384                 toggleAndShow(cur, this, font);
1385                 break;
1386         }
1387
1388         case LFUN_SANS: {
1389                 LyXFont font(LyXFont::ALL_IGNORE);
1390                 font.setFamily(LyXFont::SANS_FAMILY);
1391                 toggleAndShow(cur, this, font);
1392                 break;
1393         }
1394
1395         case LFUN_ROMAN: {
1396                 LyXFont font(LyXFont::ALL_IGNORE);
1397                 font.setFamily(LyXFont::ROMAN_FAMILY);
1398                 toggleAndShow(cur, this, font);
1399                 break;
1400         }
1401
1402         case LFUN_DEFAULT: {
1403                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1404                 toggleAndShow(cur, this, font);
1405                 break;
1406         }
1407
1408         case LFUN_UNDERLINE: {
1409                 LyXFont font(LyXFont::ALL_IGNORE);
1410                 font.setUnderbar(LyXFont::TOGGLE);
1411                 toggleAndShow(cur, this, font);
1412                 break;
1413         }
1414
1415         case LFUN_FONT_SIZE: {
1416                 LyXFont font(LyXFont::ALL_IGNORE);
1417                 font.setLyXSize(cmd.argument);
1418                 toggleAndShow(cur, this, font);
1419                 break;
1420         }
1421
1422         case LFUN_LANGUAGE: {
1423                 Language const * lang = languages.getLanguage(cmd.argument);
1424                 if (!lang)
1425                         break;
1426                 LyXFont font(LyXFont::ALL_IGNORE);
1427                 font.setLanguage(lang);
1428                 toggleAndShow(cur, this, font);
1429                 bv->switchKeyMap();
1430                 break;
1431         }
1432
1433         case LFUN_FREEFONT_APPLY:
1434                 toggleAndShow(cur, this, freefont, toggleall);
1435                 cur.message(_("Character set"));
1436                 break;
1437
1438         // Set the freefont using the contents of \param data dispatched from
1439         // the frontends and apply it at the current cursor location.
1440         case LFUN_FREEFONT_UPDATE: {
1441                 LyXFont font;
1442                 bool toggle;
1443                 if (bv_funcs::string2font(cmd.argument, font, toggle)) {
1444                         freefont = font;
1445                         toggleall = toggle;
1446                         toggleAndShow(cur, this, freefont, toggleall);
1447                         cur.message(_("Character set"));
1448                 }
1449                 break;
1450         }
1451
1452         case LFUN_FINISHED_LEFT:
1453                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1454                 break;
1455
1456         case LFUN_FINISHED_RIGHT:
1457                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1458                 ++cur.pos();
1459                 break;
1460
1461         case LFUN_FINISHED_UP:
1462                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1463                 cursorUp(cur);
1464                 break;
1465
1466         case LFUN_FINISHED_DOWN:
1467                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1468                 cursorDown(cur);
1469                 break;
1470
1471         case LFUN_LAYOUT_PARAGRAPH: {
1472                 string data;
1473                 params2string(cur.paragraph(), data);
1474                 data = "show\n" + data;
1475                 bv->owner()->getDialogs().show("paragraph", data);
1476                 break;
1477         }
1478
1479         case LFUN_PARAGRAPH_UPDATE: {
1480                 if (!bv->owner()->getDialogs().visible("paragraph"))
1481                         break;
1482                 string data;
1483                 params2string(cur.paragraph(), data);
1484
1485                 // Will the paragraph accept changes from the dialog?
1486                 InsetBase & inset = cur.inset();
1487                 bool const accept = !inset.forceDefaultParagraphs(&inset);
1488
1489                 data = "update " + tostr(accept) + '\n' + data;
1490                 bv->owner()->getDialogs().update("paragraph", data);
1491                 break;
1492         }
1493
1494         case LFUN_UMLAUT:
1495         case LFUN_CIRCUMFLEX:
1496         case LFUN_GRAVE:
1497         case LFUN_ACUTE:
1498         case LFUN_TILDE:
1499         case LFUN_CEDILLA:
1500         case LFUN_MACRON:
1501         case LFUN_DOT:
1502         case LFUN_UNDERDOT:
1503         case LFUN_UNDERBAR:
1504         case LFUN_CARON:
1505         case LFUN_SPECIAL_CARON:
1506         case LFUN_BREVE:
1507         case LFUN_TIE:
1508         case LFUN_HUNG_UMLAUT:
1509         case LFUN_CIRCLE:
1510         case LFUN_OGONEK:
1511                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1512                 if (!cmd.argument.empty())
1513                         bv->owner()->getIntl().getTransManager()
1514                                 .TranslateAndInsert(cmd.argument[0], this);
1515                 break;
1516
1517         case LFUN_FLOAT_LIST: {
1518                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1519                 if (tclass.floats().typeExist(cmd.argument)) {
1520                         // not quite sure if we want this...
1521                         recordUndo(cur);
1522                         cur.clearSelection();
1523                         breakParagraph(cur);
1524
1525                         if (cur.lastpos() != 0) {
1526                                 cursorLeft(cur);
1527                                 breakParagraph(cur);
1528                         }
1529
1530                         setLayout(cur, tclass.defaultLayoutName());
1531                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1532                         insertInset(cur, new InsetFloatList(cmd.argument));
1533                         cur.posRight();
1534                 } else {
1535                         lyxerr << "Non-existent float type: "
1536                                << cmd.argument << endl;
1537                 }
1538                 break;
1539         }
1540
1541         case LFUN_ACCEPT_CHANGE: {
1542                 acceptChange(cur);
1543                 break;
1544         }
1545
1546         case LFUN_REJECT_CHANGE: {
1547                 rejectChange(cur);
1548                 break;
1549         }
1550
1551         case LFUN_THESAURUS_ENTRY: {
1552                 string arg = cmd.argument;
1553                 if (arg.empty()) {
1554                         arg = cur.selectionAsString(false);
1555                         // FIXME
1556                         if (arg.size() > 100 || arg.empty()) {
1557                                 // Get word or selection
1558                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1559                                 arg = cur.selectionAsString(false);
1560                         }
1561                 }
1562                 bv->owner()->getDialogs().show("thesaurus", arg);
1563                 break;
1564         }
1565
1566         case LFUN_PARAGRAPH_APPLY: {
1567                 // Given data, an encoding of the ParagraphParameters
1568                 // generated in the Paragraph dialog, this function sets
1569                 // the current paragraph appropriately.
1570                 istringstream is(cmd.argument);
1571                 LyXLex lex(0, 0);
1572                 lex.setStream(is);
1573                 ParagraphParameters params;
1574                 params.read(lex);
1575                 setParagraph(cur,
1576                                          params.spacing(),
1577                                          params.align(),
1578                                          params.labelWidthString(),
1579                                          params.noindent());
1580                 cur.message(_("Paragraph layout set"));
1581                 break;
1582         }
1583
1584         case LFUN_INSET_DIALOG_SHOW: {
1585                 InsetBase * inset = cur.nextInset();
1586                 if (inset) {
1587                         FuncRequest fr(LFUN_INSET_DIALOG_SHOW);
1588                         inset->dispatch(cur, fr);
1589                 }
1590                 break;
1591         }
1592
1593         case LFUN_ESCAPE:
1594                 if (cur.selection()) {
1595                         cur.selection() = false;
1596                 } else {
1597                         cur.undispatched();
1598                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
1599                 }
1600                 break;
1601
1602         default:
1603                 cur.undispatched();
1604                 break;
1605         }
1606
1607         // avoid to update when navigating
1608         if (moving
1609             && &sl.inset() == &cur.inset()
1610             && sl.idx() == cur.idx()
1611             && sel == false
1612             && cur.selection() == false)
1613                 cur.noUpdate();
1614 }
1615
1616
1617 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1618                         FuncStatus & flag) const
1619 {
1620         BOOST_ASSERT(cur.text() == this);
1621         LyXFont const & font = real_current_font;
1622         bool enable = true;
1623
1624         switch (cmd.action) {
1625
1626         case LFUN_DEPTH_MIN:
1627                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1628                 break;
1629
1630         case LFUN_DEPTH_PLUS:
1631                 enable = changeDepthAllowed(cur, INC_DEPTH);
1632                 break;
1633
1634         case LFUN_INSET_OPTARG:
1635                 enable = numberOfOptArgs(cur.paragraph())
1636                         < cur.paragraph().layout()->optionalargs;
1637                 break;
1638
1639         case LFUN_APPENDIX:
1640                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1641                 break;
1642
1643 #if 0
1644         // the functions which insert insets
1645         InsetBase::Code code = InsetBase::NO_CODE;
1646         switch (cmd.action) {
1647         case LFUN_DIALOG_SHOW_NEW_INSET:
1648                 if (cmd.argument == "bibitem")
1649                         code = InsetBase::BIBITEM_CODE;
1650                 else if (cmd.argument == "bibtex")
1651                         code = InsetBase::BIBTEX_CODE;
1652                 else if (cmd.argument == "box")
1653                         code = InsetBase::BOX_CODE;
1654                 else if (cmd.argument == "branch")
1655                         code = InsetBase::BRANCH_CODE;
1656                 else if (cmd.argument == "citation")
1657                         code = InsetBase::CITE_CODE;
1658                 else if (cmd.argument == "ert")
1659                         code = InsetBase::ERT_CODE;
1660                 else if (cmd.argument == "external")
1661                         code = InsetBase::EXTERNAL_CODE;
1662                 else if (cmd.argument == "float")
1663                         code = InsetBase::FLOAT_CODE;
1664                 else if (cmd.argument == "graphics")
1665                         code = InsetBase::GRAPHICS_CODE;
1666                 else if (cmd.argument == "include")
1667                         code = InsetBase::INCLUDE_CODE;
1668                 else if (cmd.argument == "index")
1669                         code = InsetBase::INDEX_CODE;
1670                 else if (cmd.argument == "label")
1671                         code = InsetBase::LABEL_CODE;
1672                 else if (cmd.argument == "note")
1673                         code = InsetBase::NOTE_CODE;
1674                 else if (cmd.argument == "ref")
1675                         code = InsetBase::REF_CODE;
1676                 else if (cmd.argument == "toc")
1677                         code = InsetBase::TOC_CODE;
1678                 else if (cmd.argument == "url")
1679                         code = InsetBase::URL_CODE;
1680                 else if (cmd.argument == "vspace")
1681                         code = InsetBase::VSPACE_CODE;
1682                 else if (cmd.argument == "wrap")
1683                         code = InsetBase::WRAP_CODE;
1684                 break;
1685
1686         case LFUN_INSET_ERT:
1687                 code = InsetBase::ERT_CODE;
1688                 break;
1689         case LFUN_INSET_FOOTNOTE:
1690                 code = InsetBase::FOOT_CODE;
1691                 break;
1692         case LFUN_TABULAR_INSERT:
1693                 code = InsetBase::TABULAR_CODE;
1694                 break;
1695         case LFUN_INSET_MARGINAL:
1696                 code = InsetBase::MARGIN_CODE;
1697                 break;
1698         case LFUN_INSET_FLOAT:
1699         case LFUN_INSET_WIDE_FLOAT:
1700                 code = InsetBase::FLOAT_CODE;
1701                 break;
1702         case LFUN_INSET_WRAP:
1703                 code = InsetBase::WRAP_CODE;
1704                 break;
1705         case LFUN_FLOAT_LIST:
1706                 code = InsetBase::FLOAT_LIST_CODE;
1707                 break;
1708 #if 0
1709         case LFUN_INSET_LIST:
1710                 code = InsetBase::LIST_CODE;
1711                 break;
1712         case LFUN_INSET_THEOREM:
1713                 code = InsetBase::THEOREM_CODE;
1714                 break;
1715 #endif
1716         case LFUN_INSET_CAPTION:
1717                 code = InsetBase::CAPTION_CODE;
1718                 break;
1719         case LFUN_INSERT_NOTE:
1720                 code = InsetBase::NOTE_CODE;
1721                 break;
1722         case LFUN_INSERT_CHARSTYLE:
1723                 code = InsetBase::CHARSTYLE_CODE;
1724                 if (buf->params().getLyXTextClass().charstyles().empty())
1725                         enable = false;
1726                 break;
1727         case LFUN_INSERT_BOX:
1728                 code = InsetBase::BOX_CODE;
1729                 break;
1730         case LFUN_INSERT_BRANCH:
1731                 code = InsetBase::BRANCH_CODE;
1732                 if (buf->params().branchlist().empty())
1733                         enable = false;
1734                 break;
1735         case LFUN_INSERT_LABEL:
1736                 code = InsetBase::LABEL_CODE;
1737                 break;
1738         case LFUN_INSET_OPTARG:
1739                 code = InsetBase::OPTARG_CODE;
1740                 break;
1741         case LFUN_ENVIRONMENT_INSERT:
1742                 code = InsetBase::BOX_CODE;
1743                 break;
1744         case LFUN_INDEX_INSERT:
1745                 code = InsetBase::INDEX_CODE;
1746                 break;
1747         case LFUN_INDEX_PRINT:
1748                 code = InsetBase::INDEX_PRINT_CODE;
1749                 break;
1750         case LFUN_TOC_INSERT:
1751                 code = InsetBase::TOC_CODE;
1752                 break;
1753         case LFUN_HTMLURL:
1754         case LFUN_URL:
1755                 code = InsetBase::URL_CODE;
1756                 break;
1757         case LFUN_QUOTE:
1758                 // always allow this, since we will inset a raw quote
1759                 // if an inset is not allowed.
1760                 break;
1761         case LFUN_HYPHENATION:
1762         case LFUN_LIGATURE_BREAK:
1763         case LFUN_HFILL:
1764         case LFUN_MENU_SEPARATOR:
1765         case LFUN_LDOTS:
1766         case LFUN_END_OF_SENTENCE:
1767                 code = InsetBase::SPECIALCHAR_CODE;
1768                 break;
1769         case LFUN_SPACE_INSERT:
1770                 // slight hack: we know this is allowed in math mode
1771                 if (cur.inTexted())
1772                         code = InsetBase::SPACE_CODE;
1773                 break;
1774         case LFUN_INSET_DIALOG_SHOW: {
1775                 InsetBase * inset = cur.nextInset();
1776                 enable = inset;
1777                 if (inset) {
1778                         code = inset->lyxCode();
1779                         if (!(code == InsetBase::INCLUDE_CODE
1780                                 || code == InsetBase::BIBTEX_CODE
1781                                 || code == InsetBase::FLOAT_LIST_CODE
1782                                 || code == InsetBase::TOC_CODE))
1783                                 enable = false;
1784                 }
1785                 break;
1786         }
1787         default:
1788                 break;
1789         }
1790
1791         if (code != InsetBase::NO_CODE
1792                         && (cur.empty() || !cur.inset().insetAllowed(code)))
1793                 enable = false;
1794
1795 #endif
1796
1797         case LFUN_DIALOG_SHOW_NEW_INSET:
1798         case LFUN_INSET_ERT:
1799         case LFUN_INSERT_BOX:
1800         case LFUN_INSERT_BRANCH:
1801         case LFUN_ENVIRONMENT_INSERT:
1802         case LFUN_INDEX_INSERT:
1803         case LFUN_INDEX_PRINT:
1804         case LFUN_TOC_INSERT:
1805         case LFUN_HTMLURL:
1806         case LFUN_URL:
1807         case LFUN_QUOTE:
1808         case LFUN_HYPHENATION:
1809         case LFUN_LIGATURE_BREAK:
1810         case LFUN_HFILL:
1811         case LFUN_MENU_SEPARATOR:
1812         case LFUN_LDOTS:
1813         case LFUN_END_OF_SENTENCE:
1814         case LFUN_SPACE_INSERT:
1815         case LFUN_INSET_DIALOG_SHOW:
1816                 break;
1817
1818         case LFUN_EMPH:
1819                 flag.setOnOff(font.emph() == LyXFont::ON);
1820                 break;
1821
1822         case LFUN_NOUN:
1823                 flag.setOnOff(font.noun() == LyXFont::ON);
1824                 break;
1825
1826         case LFUN_BOLD:
1827                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1828                 break;
1829
1830         case LFUN_SANS:
1831                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1832                 break;
1833
1834         case LFUN_ROMAN:
1835                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1836                 break;
1837
1838         case LFUN_CODE:
1839                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1840                 break;
1841
1842         case LFUN_DELETE_WORD_FORWARD:
1843         case LFUN_DELETE_WORD_BACKWARD:
1844         case LFUN_DELETE_LINE_FORWARD:
1845         case LFUN_WORDRIGHT:
1846         case LFUN_WORDLEFT:
1847         case LFUN_RIGHT:
1848         case LFUN_RIGHTSEL:
1849         case LFUN_LEFT:
1850         case LFUN_LEFTSEL:
1851         case LFUN_UP:
1852         case LFUN_UPSEL:
1853         case LFUN_DOWN:
1854         case LFUN_DOWNSEL:
1855         case LFUN_UP_PARAGRAPHSEL:
1856         case LFUN_DOWN_PARAGRAPHSEL:
1857         case LFUN_PRIORSEL:
1858         case LFUN_NEXTSEL:
1859         case LFUN_HOMESEL:
1860         case LFUN_ENDSEL:
1861         case LFUN_WORDRIGHTSEL:
1862         case LFUN_WORDLEFTSEL:
1863         case LFUN_WORDSEL:
1864         case LFUN_UP_PARAGRAPH:
1865         case LFUN_DOWN_PARAGRAPH:
1866         case LFUN_PRIOR:
1867         case LFUN_NEXT:
1868         case LFUN_HOME:
1869         case LFUN_END:
1870         case LFUN_BREAKLINE:
1871         case LFUN_DELETE:
1872         case LFUN_DELETE_SKIP:
1873         case LFUN_BACKSPACE:
1874         case LFUN_BACKSPACE_SKIP:
1875         case LFUN_BREAKPARAGRAPH:
1876         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1877         case LFUN_BREAKPARAGRAPH_SKIP:
1878         case LFUN_PARAGRAPH_SPACING:
1879         case LFUN_INSET_APPLY:
1880         case LFUN_INSET_INSERT:
1881         case LFUN_NEXT_INSET_TOGGLE:
1882         case LFUN_UPCASE_WORD:
1883         case LFUN_LOWCASE_WORD:
1884         case LFUN_CAPITALIZE_WORD:
1885         case LFUN_TRANSPOSE_CHARS:
1886         case LFUN_PASTE:
1887         case LFUN_CUT:
1888         case LFUN_COPY:
1889         case LFUN_GETXY:
1890         case LFUN_SETXY:
1891         case LFUN_GETFONT:
1892         case LFUN_GETLAYOUT:
1893         case LFUN_LAYOUT:
1894         case LFUN_PASTESELECTION:
1895         case LFUN_GOTOERROR:
1896         case LFUN_GOTONOTE:
1897         case LFUN_REFERENCE_GOTO:
1898         case LFUN_DATE_INSERT:
1899         case LFUN_SELFINSERT:
1900         case LFUN_INSERT_LABEL:
1901         case LFUN_INSERT_NOTE:
1902         case LFUN_INSERT_CHARSTYLE:
1903         case LFUN_INSERT_BIBITEM:
1904         case LFUN_INSET_FLOAT:
1905         case LFUN_INSET_FOOTNOTE:
1906         case LFUN_INSET_MARGINAL:
1907         case LFUN_INSET_WIDE_FLOAT:
1908         case LFUN_INSET_WRAP:
1909         case LFUN_TABULAR_INSERT:
1910         case LFUN_INSERT_LINE:
1911         case LFUN_INSERT_PAGEBREAK:
1912         case LFUN_MATH_DISPLAY:
1913         case LFUN_MATH_IMPORT_SELECTION:
1914         case LFUN_MATH_MODE:
1915         case LFUN_MATH_MACRO:
1916         case LFUN_INSERT_MATH:
1917         case LFUN_INSERT_MATRIX:
1918         case LFUN_MATH_DELIM:
1919         case LFUN_SUBSCRIPT:
1920         case LFUN_SUPERSCRIPT:
1921         case LFUN_DEFAULT:
1922         case LFUN_UNDERLINE:
1923         case LFUN_FONT_SIZE:
1924         case LFUN_LANGUAGE:
1925         case LFUN_FREEFONT_APPLY:
1926         case LFUN_FREEFONT_UPDATE:
1927         case LFUN_LAYOUT_PARAGRAPH:
1928         case LFUN_PARAGRAPH_UPDATE:
1929         case LFUN_UMLAUT:
1930         case LFUN_CIRCUMFLEX:
1931         case LFUN_GRAVE:
1932         case LFUN_ACUTE:
1933         case LFUN_TILDE:
1934         case LFUN_CEDILLA:
1935         case LFUN_MACRON:
1936         case LFUN_DOT:
1937         case LFUN_UNDERDOT:
1938         case LFUN_UNDERBAR:
1939         case LFUN_CARON:
1940         case LFUN_SPECIAL_CARON:
1941         case LFUN_BREVE:
1942         case LFUN_TIE:
1943         case LFUN_HUNG_UMLAUT:
1944         case LFUN_CIRCLE:
1945         case LFUN_OGONEK:
1946         case LFUN_FLOAT_LIST:
1947         case LFUN_ACCEPT_CHANGE:
1948         case LFUN_REJECT_CHANGE:
1949         case LFUN_THESAURUS_ENTRY:
1950         case LFUN_PARAGRAPH_APPLY:
1951         case LFUN_ESCAPE:
1952         case LFUN_KEYMAP_TOGGLE:
1953         case LFUN_ENDBUF:
1954         case LFUN_BEGINNINGBUF:
1955         case LFUN_BEGINNINGBUFSEL:
1956         case LFUN_ENDBUFSEL:
1957                 // these are handled in our dispatch()
1958                 enable = true;
1959                 break;
1960
1961         default:
1962                 return false;
1963         }
1964         flag.enabled(enable);
1965         return true;
1966 }