src/text3.C

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