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