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