src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "dispatchresult.h"
  32 #include "errorlist.h"
  33 #include "factory.h"
  34 #include "funcrequest.h"
  35 #include "gettext.h"
  36 #include "intl.h"
  37 #include "language.h"
  38 #include "LyXAction.h"
  39 #include "lyxfunc.h"
  40 #include "lyxlex.h"
  41 #include "lyxrc.h"
  42 #include "lyxrow.h"
  43 #include "paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "undo.h"
  47 #include "vspace.h"
  48 #include "pariterator.h"
  49
  50 #include "frontends/Dialogs.h"
  51 #include "frontends/Gui.h"
  52 #include "frontends/LyXView.h"
  53 #include "frontends/Clipboard.h"
  54 #include "frontends/Selection.h"
  55
  56 #include "insets/insetcommand.h"
  57 #include "insets/insetfloatlist.h"
  58 #include "insets/insetnewline.h"
  59 #include "insets/insetquotes.h"
  60 #include "insets/insetspecialchar.h"
  61 #include "insets/insettext.h"
  62
  63 #include "support/lstrings.h"
  64 #include "support/lyxlib.h"
  65 #include "support/convert.h"
  66 #include "support/lyxtime.h"
  67
  68 #include "mathed/math_hullinset.h"
  69 #include "mathed/math_macrotemplate.h"
  70
  71 #include <boost/current_function.hpp>
  72
  73 #include <clocale>
  74 #include <sstream>
  75
  76 using lyx::char_type;
  77 using lyx::docstring;
  78 using lyx::pos_type;
  79
  80 using lyx::cap::copySelection;
  81 using lyx::cap::cutSelection;
  82 using lyx::cap::pasteSelection;
  83 using lyx::cap::replaceSelection;
  84
  85 using lyx::support::isStrUnsignedInt;
  86 using lyx::support::token;
  87
  88 using std::endl;
  89 using std::string;
  90 using std::istringstream;
  91 using std::ostringstream;
  92
  93
  94 extern string current_layout;
  95
  96
  97 namespace {
  98
  99         // globals...
 100         LyXFont freefont(LyXFont::ALL_IGNORE);
 101         bool toggleall = false;
 102
 103
 104         void toggleAndShow(LCursor & cur, LyXText * text,
 105                 LyXFont const & font, bool toggleall = true)
 106         {
 107                 text->toggleFree(cur, font, toggleall);
 108
 109                 if (font.language() != ignore_language ||
 110                                 font.number() != LyXFont::IGNORE) {
 111                         Paragraph & par = cur.paragraph();
 112                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 113                         if (cur.boundary() !=
 114                                         text->bidi.isBoundary(cur.buffer(), par,
 115                                                         cur.pos(),
 116                                                         text->real_current_font))
 117                                 text->setCursor(cur, cur.pit(), cur.pos(),
 118                                                 false, !cur.boundary());
 119                 }
 120         }
 121
 122
 123         void moveCursor(LCursor & cur, bool selecting)
 124         {
 125                 if (selecting || cur.mark())
 126                         cur.setSelection();
 127                 if (!cur.selection())
 128                         cur.bv().owner()->gui().selection().haveSelection(false);
 129                 cur.bv().switchKeyMap();
 130         }
 131
 132
 133         void finishChange(LCursor & cur, bool selecting)
 134         {
 135                 finishUndo();
 136                 moveCursor(cur, selecting);
 137         }
 138
 139
 140         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 141         {
 142                 recordUndo(cur);
 143                 string sel = lyx::to_utf8(cur.selectionAsString(false));
 144                 //lyxerr << "selection is: '" << sel << "'" << endl;
 145
 146                 // It may happen that sel is empty but there is a selection
 147                 replaceSelection(cur);
 148
 149                 if (sel.empty()) {
 150                         const int old_pos = cur.pos();
 151                         cur.insert(new MathHullInset(hullSimple));
 152                         BOOST_ASSERT(old_pos == cur.pos());
 153                         cur.nextInset()->edit(cur, true);
 154                         // don't do that also for LFUN_MATH_MODE
 155                         // unless you want end up with always changing
 156                         // to mathrm when opening an inlined inset --
 157                         // I really hate "LyXfunc overloading"...
 158                         if (display)
 159                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 160                         // Avoid an unnecessary undo step if cmd.argument
 161                         // is empty
 162                         if (!cmd.argument().empty())
 163                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 164                                                          cmd.argument()));
 165                 } else {
 166                         // create a macro if we see "\\newcommand"
 167                         // somewhere, and an ordinary formula
 168                         // otherwise
 169                         istringstream is(sel);
 170                         if (sel.find("\\newcommand") == string::npos
 171                             && sel.find("\\def") == string::npos)
 172                         {
 173                                 MathHullInset * formula = new MathHullInset;
 174                                 LyXLex lex(0, 0);
 175                                 lex.setStream(is);
 176                                 formula->read(cur.buffer(), lex);
 177                                 if (formula->getType() == hullNone)
 178                                         // Don't create pseudo formulas if
 179                                         // delimiters are left out
 180                                         formula->mutate(hullSimple);
 181                                 cur.insert(formula);
 182                         } else
 183                                 cur.insert(new MathMacroTemplate(is));
 184                 }
 185                 cur.message(N_("Math editor mode"));
 186         }
 187
 188 } // namespace anon
 189
 190
 191
 192 namespace bv_funcs {
 193
 194 string const freefont2string()
 195 {
 196         string data;
 197         if (font2string(freefont, toggleall, data))
 198                 return data;
 199         return string();
 200 }
 201
 202 }
 203
 204 bool LyXText::cursorPrevious(LCursor & cur)
 205 {
 206         pos_type cpos = cur.pos();
 207         lyx::pit_type cpar = cur.pit();
 208
 209         int x = cur.x_target();
 210
 211         bool updated = setCursorFromCoordinates(cur, x, 0);
 212         if (updated)
 213                 cur.bv().update();
 214         updated |= cursorUp(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 previous row instead.
 219                 updated |= cursorUp(cur);
 220         }
 221
 222         finishUndo();
 223         return updated;
 224 }
 225
 226
 227 bool LyXText::cursorNext(LCursor & cur)
 228 {
 229         pos_type cpos = cur.pos();
 230         lyx::pit_type cpar = cur.pit();
 231
 232         int x = cur.x_target();
 233         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 234         if (updated)
 235                 cur.bv().update();
 236         updated |= cursorDown(cur);
 237
 238         if (cpar == cur.pit() && cpos == cur.pos()) {
 239                 // we have a row which is taller than the workarea. The
 240                 // simplest solution is to move to the next row instead.
 241                 updated |= cursorDown(cur);
 242         }
 243
 244         finishUndo();
 245         return updated;
 246 }
 247
 248
 249 namespace {
 250
 251 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 252 {
 253         lyx::cap::replaceSelection(cur);
 254         cur.insert(new InsetSpecialChar(kind));
 255         cur.posRight();
 256 }
 257
 258
 259 bool doInsertInset(LCursor & cur, LyXText * text,
 260         FuncRequest const & cmd, bool edit, bool pastesel)
 261 {
 262         InsetBase * inset = createInset(&cur.bv(), cmd);
 263         if (!inset)
 264                 return false;
 265
 266         recordUndo(cur);
 267         bool gotsel = false;
 268         if (cur.selection()) {
 269                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 270                 gotsel = true;
 271         }
 272         text->insertInset(cur, inset);
 273
 274         if (edit)
 275                 inset->edit(cur, true);
 276
 277         if (gotsel && pastesel)
 278                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 279         return true;
 280 }
 281
 282
 283 void update(LCursor & cur)
 284 {
 285         //we don't call update(true, false) directly to save a metrics call
 286         if (cur.bv().fitCursor())
 287                 cur.bv().update(Update::Force);
 288 }
 289
 290
 291 } // anon namespace
 292
 293
 294 void LyXText::number(LCursor & cur)
 295 {
 296         LyXFont font(LyXFont::ALL_IGNORE);
 297         font.setNumber(LyXFont::TOGGLE);
 298         toggleAndShow(cur, this, font);
 299 }
 300
 301
 302 bool LyXText::isRTL(Paragraph const & par) const
 303 {
 304         return par.isRightToLeftPar(bv()->buffer()->params());
 305 }
 306
 307
 308 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 309 {
 310         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 311
 312         BOOST_ASSERT(cur.text() == this);
 313         BufferView * bv = &cur.bv();
 314         CursorSlice oldTopSlice = cur.top();
 315         bool oldBoundary = cur.boundary();
 316         bool sel = cur.selection();
 317         // Signals that, even if needsUpdate == false, an update of the
 318         // cursor paragraph is required
 319         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 320                 LyXAction::SingleParUpdate);
 321         // Signals that a full-screen update is required
 322         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 323                 LyXAction::NoUpdate) || singleParUpdate);
 324         // Remember the old paragraph metric (_outer_ paragraph!)
 325         Dimension olddim = cur.bottom().paragraph().dim();
 326
 327         switch (cmd.action) {
 328
 329         case LFUN_PARAGRAPH_MOVE_DOWN: {
 330                 pit_type const pit = cur.pit();
 331                 recUndo(pit, pit + 1);
 332                 finishUndo();
 333                 std::swap(pars_[pit], pars_[pit + 1]);
 334
 335                 ParIterator begin(cur);
 336                 ++cur.pit();
 337                 ParIterator end = boost::next(ParIterator(cur));
 338                 updateLabels(cur.buffer(), begin, end);
 339
 340                 needsUpdate = true;
 341                 break;
 342         }
 343
 344         case LFUN_PARAGRAPH_MOVE_UP: {
 345                 pit_type const pit = cur.pit();
 346                 recUndo(pit - 1, pit);
 347                 finishUndo();
 348                 std::swap(pars_[pit], pars_[pit - 1]);
 349
 350                 ParIterator end = boost::next(ParIterator(cur));
 351                 --cur.pit();
 352                 ParIterator begin(cur);
 353                 updateLabels(cur.buffer(), begin, end);
 354
 355                 needsUpdate = true;
 356                 break;
 357         }
 358
 359         case LFUN_APPENDIX: {
 360                 Paragraph & par = cur.paragraph();
 361                 bool start = !par.params().startOfAppendix();
 362
 363 #ifdef WITH_WARNINGS
 364 #warning The code below only makes sense at top level.
 365 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 366 #endif
 367                 // ensure that we have only one start_of_appendix in this document
 368                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 369                         if (pars_[tmp].params().startOfAppendix()) {
 370                                 recUndo(tmp);
 371                                 pars_[tmp].params().startOfAppendix(false);
 372                                 break;
 373                         }
 374                 }
 375
 376                 recordUndo(cur);
 377                 par.params().startOfAppendix(start);
 378
 379                 // we can set the refreshing parameters now
 380                 updateLabels(cur.buffer());
 381                 break;
 382         }
 383
 384         case LFUN_WORD_DELETE_FORWARD:
 385                 cur.clearSelection();
 386                 deleteWordForward(cur);
 387                 finishChange(cur, false);
 388                 break;
 389
 390         case LFUN_WORD_DELETE_BACKWARD:
 391                 cur.clearSelection();
 392                 deleteWordBackward(cur);
 393                 finishChange(cur, false);
 394                 break;
 395
 396         case LFUN_LINE_DELETE:
 397                 cur.clearSelection();
 398                 deleteLineForward(cur);
 399                 finishChange(cur, false);
 400                 break;
 401
 402         case LFUN_BUFFER_BEGIN:
 403         case LFUN_BUFFER_BEGIN_SELECT:
 404                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 405                 if (cur.depth() == 1) {
 406                         needsUpdate = cursorTop(cur);
 407                 } else {
 408                         cur.undispatched();
 409                 }
 410                 break;
 411
 412         case LFUN_BUFFER_END:
 413         case LFUN_BUFFER_END_SELECT:
 414                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 415                 if (cur.depth() == 1) {
 416                         needsUpdate = cursorBottom(cur);
 417                 } else {
 418                         cur.undispatched();
 419                 }
 420                 break;
 421
 422         case LFUN_CHAR_FORWARD:
 423         case LFUN_CHAR_FORWARD_SELECT:
 424                 //lyxerr << BOOST_CURRENT_FUNCTION
 425                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 426                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 427                 if (isRTL(cur.paragraph()))
 428                         needsUpdate = cursorLeft(cur);
 429                 else
 430                         needsUpdate = cursorRight(cur);
 431
 432                 if (!needsUpdate && oldTopSlice == cur.top()
 433                                 && cur.boundary() == oldBoundary) {
 434                         cur.undispatched();
 435                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 436                 }
 437                 break;
 438
 439         case LFUN_CHAR_BACKWARD:
 440         case LFUN_CHAR_BACKWARD_SELECT:
 441                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 442                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 443                 if (isRTL(cur.paragraph()))
 444                         needsUpdate = cursorRight(cur);
 445                 else
 446                         needsUpdate = cursorLeft(cur);
 447
 448                 if (!needsUpdate && oldTopSlice == cur.top()
 449                         && cur.boundary() == oldBoundary) {
 450                         cur.undispatched();
 451                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 452                 }
 453                 break;
 454
 455         case LFUN_UP:
 456         case LFUN_UP_SELECT:
 457                 update(cur);
 458                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 459                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 460
 461                 needsUpdate = cursorUp(cur);
 462                 if (!needsUpdate && oldTopSlice == cur.top()
 463                           && cur.boundary() == oldBoundary) {
 464                         cur.undispatched();
 465                         cmd = FuncRequest(LFUN_FINISHED_UP);
 466                 }
 467                 break;
 468
 469         case LFUN_DOWN:
 470         case LFUN_DOWN_SELECT:
 471                 update(cur);
 472                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 473                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 474                 needsUpdate = cursorDown(cur);
 475                 if (!needsUpdate && oldTopSlice == cur.top() &&
 476                     cur.boundary() == oldBoundary)
 477                 {
 478                         cur.undispatched();
 479                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 480                 }
 481                 break;
 482
 483         case LFUN_PARAGRAPH_UP:
 484         case LFUN_PARAGRAPH_UP_SELECT:
 485                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 486                 needsUpdate = cursorUpParagraph(cur);
 487                 break;
 488
 489         case LFUN_PARAGRAPH_DOWN:
 490         case LFUN_PARAGRAPH_DOWN_SELECT:
 491                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 492                 needsUpdate = cursorDownParagraph(cur);
 493                 break;
 494
 495         case LFUN_SCREEN_UP:
 496         case LFUN_SCREEN_UP_SELECT:
 497                 update(cur);
 498                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 499                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 500                         cur.undispatched();
 501                         cmd = FuncRequest(LFUN_FINISHED_UP);
 502                 } else {
 503                         needsUpdate = cursorPrevious(cur);
 504                 }
 505                 break;
 506
 507         case LFUN_SCREEN_DOWN:
 508         case LFUN_SCREEN_DOWN_SELECT:
 509                 update(cur);
 510                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 511                 if (cur.pit() == cur.lastpit()
 512                           && cur.textRow().endpos() == cur.lastpos()) {
 513                         cur.undispatched();
 514                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 515                 } else {
 516                         needsUpdate = cursorNext(cur);
 517                 }
 518                 break;
 519
 520         case LFUN_LINE_BEGIN:
 521         case LFUN_LINE_BEGIN_SELECT:
 522                 update(cur);
 523                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 524                 needsUpdate = cursorHome(cur);
 525                 break;
 526
 527         case LFUN_LINE_END:
 528         case LFUN_LINE_END_SELECT:
 529                 update(cur);
 530                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 531                 needsUpdate = cursorEnd(cur);
 532                 break;
 533
 534         case LFUN_WORD_FORWARD:
 535         case LFUN_WORD_FORWARD_SELECT:
 536                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 537                 if (isRTL(cur.paragraph()))
 538                         needsUpdate = cursorLeftOneWord(cur);
 539                 else
 540                         needsUpdate = cursorRightOneWord(cur);
 541                 break;
 542
 543         case LFUN_WORD_BACKWARD:
 544         case LFUN_WORD_BACKWARD_SELECT:
 545                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 546                 if (isRTL(cur.paragraph()))
 547                         needsUpdate = cursorRightOneWord(cur);
 548                 else
 549                         needsUpdate = cursorLeftOneWord(cur);
 550                 break;
 551
 552         case LFUN_WORD_SELECT: {
 553                 selectWord(cur, lyx::WHOLE_WORD);
 554                 finishChange(cur, true);
 555                 break;
 556         }
 557
 558         case LFUN_BREAK_LINE: {
 559                 // Not allowed by LaTeX (labels or empty par)
 560                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 561                         lyx::cap::replaceSelection(cur);
 562                         cur.insert(new InsetNewline);
 563                         cur.posRight();
 564                         moveCursor(cur, false);
 565                 }
 566                 break;
 567         }
 568
 569         case LFUN_CHAR_DELETE_FORWARD:
 570                 if (!cur.selection()) {
 571                         if (cur.pos() == cur.paragraph().size())
 572                                 // Par boundary, force full-screen update
 573                                 singleParUpdate = false;
 574                         needsUpdate = erase(cur);
 575                         cur.resetAnchor();
 576                         // It is possible to make it a lot faster still
 577                         // just comment out the line below...
 578                 } else {
 579                         cutSelection(cur, true, false);
 580                         singleParUpdate = false;
 581                 }
 582                 moveCursor(cur, false);
 583                 break;
 584
 585         case LFUN_DELETE_FORWARD_SKIP:
 586                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 587                 if (!cur.selection()) {
 588                         if (cur.pos() == cur.lastpos()) {
 589                                 cursorRight(cur);
 590                                 cursorLeft(cur);
 591                         }
 592                         erase(cur);
 593                         cur.resetAnchor();
 594                 } else {
 595                         cutSelection(cur, true, false);
 596                 }
 597                 break;
 598
 599
 600         case LFUN_CHAR_DELETE_BACKWARD:
 601                 if (!cur.selection()) {
 602                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 603                                 // Par boundary, full-screen update
 604                                 if (cur.pos() == 0)
 605                                         singleParUpdate = false;
 606                                 needsUpdate = backspace(cur);
 607                                 cur.resetAnchor();
 608                                 // It is possible to make it a lot faster still
 609                                 // just comment out the line below...
 610                         }
 611                 } else {
 612                         cutSelection(cur, true, false);
 613                         singleParUpdate = false;
 614                 }
 615                 bv->switchKeyMap();
 616                 break;
 617
 618         case LFUN_DELETE_BACKWARD_SKIP:
 619                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 620                 if (!cur.selection()) {
 621 #ifdef WITH_WARNINGS
 622 #warning look here
 623 #endif
 624                         //CursorSlice cur = cursor();
 625                         backspace(cur);
 626                         //anchor() = cur;
 627                 } else {
 628                         cutSelection(cur, true, false);
 629                 }
 630                 break;
 631
 632         case LFUN_BREAK_PARAGRAPH:
 633                 lyx::cap::replaceSelection(cur);
 634                 breakParagraph(cur, 0);
 635                 cur.resetAnchor();
 636                 bv->switchKeyMap();
 637                 break;
 638
 639         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 640                 lyx::cap::replaceSelection(cur);
 641                 breakParagraph(cur, 1);
 642                 cur.resetAnchor();
 643                 bv->switchKeyMap();
 644                 break;
 645
 646         case LFUN_BREAK_PARAGRAPH_SKIP: {
 647                 // When at the beginning of a paragraph, remove
 648                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 649                 lyx::cap::replaceSelection(cur);
 650                 if (cur.pos() == 0)
 651                         cur.paragraph().params().labelWidthString(string());
 652                 else
 653                         breakParagraph(cur, 0);
 654                 cur.resetAnchor();
 655                 bv->switchKeyMap();
 656                 break;
 657         }
 658
 659         case LFUN_PARAGRAPH_SPACING: {
 660                 Paragraph & par = cur.paragraph();
 661                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 662                 string cur_value = "1.0";
 663                 if (cur_spacing == Spacing::Other)
 664                         cur_value = par.params().spacing().getValueAsString();
 665
 666                 istringstream is(lyx::to_utf8(cmd.argument()));
 667                 string tmp;
 668                 is >> tmp;
 669                 Spacing::Space new_spacing = cur_spacing;
 670                 string new_value = cur_value;
 671                 if (tmp.empty()) {
 672                         lyxerr << "Missing argument to `paragraph-spacing'"
 673                                << endl;
 674                 } else if (tmp == "single") {
 675                         new_spacing = Spacing::Single;
 676                 } else if (tmp == "onehalf") {
 677                         new_spacing = Spacing::Onehalf;
 678                 } else if (tmp == "double") {
 679                         new_spacing = Spacing::Double;
 680                 } else if (tmp == "other") {
 681                         new_spacing = Spacing::Other;
 682                         string tmpval = "0.0";
 683                         is >> tmpval;
 684                         lyxerr << "new_value = " << tmpval << endl;
 685                         if (tmpval != "0.0")
 686                                 new_value = tmpval;
 687                 } else if (tmp == "default") {
 688                         new_spacing = Spacing::Default;
 689                 } else {
 690                         lyxerr << lyx::to_utf8(_("Unknown spacing argument: "))
 691                                << lyx::to_utf8(cmd.argument()) << endl;
 692                 }
 693                 if (cur_spacing != new_spacing || cur_value != new_value)
 694                         par.params().spacing(Spacing(new_spacing, new_value));
 695                 break;
 696         }
 697
 698         case LFUN_INSET_INSERT: {
 699                 recordUndo(cur);
 700                 InsetBase * inset = createInset(bv, cmd);
 701                 if (inset) {
 702                         insertInset(cur, inset);
 703                         cur.posRight();
 704                 }
 705                 break;
 706         }
 707
 708         case LFUN_INSET_DISSOLVE:
 709                 needsUpdate = dissolveInset(cur);
 710                 break;
 711
 712         case LFUN_INSET_SETTINGS:
 713                 cur.inset().showInsetDialog(bv);
 714                 break;
 715
 716         case LFUN_SPACE_INSERT:
 717                 if (cur.paragraph().layout()->free_spacing)
 718                         insertChar(cur, ' ');
 719                 else {
 720                         doInsertInset(cur, this, cmd, false, false);
 721                         cur.posRight();
 722                 }
 723                 moveCursor(cur, false);
 724                 break;
 725
 726         case LFUN_HYPHENATION_POINT_INSERT:
 727                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 728                 break;
 729
 730         case LFUN_LIGATURE_BREAK_INSERT:
 731                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 732                 break;
 733
 734         case LFUN_DOTS_INSERT:
 735                 specialChar(cur, InsetSpecialChar::LDOTS);
 736                 break;
 737
 738         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 739                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 740                 break;
 741
 742         case LFUN_MENU_SEPARATOR_INSERT:
 743                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 744                 break;
 745
 746         case LFUN_WORD_UPCASE:
 747                 changeCase(cur, LyXText::text_uppercase);
 748                 break;
 749
 750         case LFUN_WORD_LOWCASE:
 751                 changeCase(cur, LyXText::text_lowercase);
 752                 break;
 753
 754         case LFUN_WORD_CAPITALIZE:
 755                 changeCase(cur, LyXText::text_capitalization);
 756                 break;
 757
 758         case LFUN_CHARS_TRANSPOSE:
 759                 recordUndo(cur);
 760                 break;
 761
 762         case LFUN_PASTE:
 763                 cur.message(lyx::to_utf8(_("Paste")));
 764                 lyx::cap::replaceSelection(cur);
 765                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 766                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 767                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 768                 else
 769                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 770                         0);
 771                 bv->buffer()->errors("Paste");
 772                 cur.clearSelection(); // bug 393
 773                 bv->switchKeyMap();
 774                 finishUndo();
 775                 break;
 776
 777         case LFUN_CUT:
 778                 cutSelection(cur, true, true);
 779                 cur.message(lyx::to_utf8(_("Cut")));
 780                 break;
 781
 782         case LFUN_COPY:
 783                 copySelection(cur);
 784                 cur.message(lyx::to_utf8(_("Copy")));
 785                 break;
 786
 787         case LFUN_SERVER_GET_XY:
 788                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 789                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 790                 break;
 791
 792         case LFUN_SERVER_SET_XY: {
 793                 int x = 0;
 794                 int y = 0;
 795                 istringstream is(lyx::to_utf8(cmd.argument()));
 796                 is >> x >> y;
 797                 if (!is)
 798                         lyxerr << "SETXY: Could not parse coordinates in '"
 799                                << lyx::to_utf8(cmd.argument()) << std::endl;
 800                 else
 801                         setCursorFromCoordinates(cur, x, y);
 802                 break;
 803         }
 804
 805         case LFUN_SERVER_GET_FONT:
 806                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 807                         cur.message("E");
 808                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 809                         cur.message("N");
 810                 else
 811                         cur.message("0");
 812                 break;
 813
 814         case LFUN_SERVER_GET_LAYOUT:
 815                 cur.message(cur.paragraph().layout()->name());
 816                 break;
 817
 818         case LFUN_LAYOUT: {
 819                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 820                   << lyx::to_utf8(cmd.argument()) << endl;
 821
 822                 // This is not the good solution to the empty argument
 823                 // problem, but it will hopefully suffice for 1.2.0.
 824                 // The correct solution would be to augument the
 825                 // function list/array with information about what
 826                 // functions needs arguments and their type.
 827                 if (cmd.argument().empty()) {
 828                         cur.errorMessage(lyx::to_utf8(_("LyX function 'layout' needs an argument.")));
 829                         break;
 830                 }
 831
 832                 // Derive layout number from given argument (string)
 833                 // and current buffer's textclass (number)
 834                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 835                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 836                 string layout = lyx::to_utf8(cmd.argument());
 837
 838                 // If the entry is obsolete, use the new one instead.
 839                 if (hasLayout) {
 840                         string const & obs = tclass[layout]->obsoleted_by();
 841                         if (!obs.empty())
 842                                 layout = obs;
 843                 }
 844
 845                 if (!hasLayout) {
 846                         cur.errorMessage(string(N_("Layout ")) + lyx::to_utf8(cmd.argument()) +
 847                                 N_(" not known"));
 848                         break;
 849                 }
 850
 851                 bool change_layout = (current_layout != layout);
 852
 853                 if (!change_layout && cur.selection() &&
 854                         cur.selBegin().pit() != cur.selEnd().pit())
 855                 {
 856                         pit_type spit = cur.selBegin().pit();
 857                         pit_type epit = cur.selEnd().pit() + 1;
 858                         while (spit != epit) {
 859                                 if (pars_[spit].layout()->name() != current_layout) {
 860                                         change_layout = true;
 861                                         break;
 862                                 }
 863                                 ++spit;
 864                         }
 865                 }
 866
 867                 if (change_layout) {
 868                         current_layout = layout;
 869                         setLayout(cur, layout);
 870                         bv->owner()->setLayout(layout);
 871                         bv->switchKeyMap();
 872                 }
 873                 break;
 874         }
 875
 876         case LFUN_CLIPBOARD_PASTE: {
 877                 cur.clearSelection();
 878                 docstring const clip = bv->owner()->gui().clipboard().get();
 879                 if (!clip.empty()) {
 880                         recordUndo(cur);
 881                         if (cmd.argument() == "paragraph")
 882                                 insertStringAsParagraphs(cur, clip);
 883                         else
 884                                 insertStringAsLines(cur, clip);
 885                 }
 886                 break;
 887         }
 888
 889         case LFUN_PRIMARY_SELECTION_PASTE: {
 890                 cur.clearSelection();
 891                 docstring const clip = bv->owner()->gui().selection().get();
 892                 if (!clip.empty()) {
 893                         recordUndo(cur);
 894                         if (cmd.argument() == "paragraph")
 895                                 insertStringAsParagraphs(cur, clip);
 896                         else
 897                                 insertStringAsLines(cur, clip);
 898                 }
 899                 break;
 900         }
 901
 902         case LFUN_QUOTE_INSERT: {
 903                 lyx::cap::replaceSelection(cur);
 904                 Paragraph & par = cur.paragraph();
 905                 lyx::pos_type pos = cur.pos();
 906                 lyx::char_type c;
 907                 if (pos == 0)
 908                         c = ' ';
 909                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 910                         c = ' ';
 911                 else
 912                         c = par.getChar(pos - 1);
 913
 914                 LyXLayout_ptr const & style = par.layout();
 915
 916                 BufferParams const & bufparams = bv->buffer()->params();
 917                 if (!style->pass_thru
 918                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 919                         string arg = lyx::to_utf8(cmd.argument());
 920                         if (arg == "single")
 921                                 cur.insert(new InsetQuotes(c,
 922                                     bufparams.quotes_language,
 923                                     InsetQuotes::SingleQ));
 924                         else
 925                                 cur.insert(new InsetQuotes(c,
 926                                     bufparams.quotes_language,
 927                                     InsetQuotes::DoubleQ));
 928                         cur.posRight();
 929                 }
 930                 else
 931                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 932                 break;
 933         }
 934
 935         case LFUN_DATE_INSERT:
 936                 if (cmd.argument().empty())
 937                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 938                                 lyx::formatted_time(lyx::current_time())));
 939                 else
 940                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 941                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 942                 break;
 943
 944         case LFUN_MOUSE_TRIPLE:
 945                 if (cmd.button() == mouse_button::button1) {
 946                         cursorHome(cur);
 947                         cur.resetAnchor();
 948                         cursorEnd(cur);
 949                         cur.setSelection();
 950                         bv->cursor() = cur;
 951                         bv->owner()->gui().selection().haveSelection(cur.selection());
 952                 }
 953                 break;
 954
 955         case LFUN_MOUSE_DOUBLE:
 956                 if (cmd.button() == mouse_button::button1) {
 957                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 958                         bv->cursor() = cur;
 959                         bv->owner()->gui().selection().haveSelection(cur.selection());
 960                 }
 961                 break;
 962
 963         // Single-click on work area
 964         case LFUN_MOUSE_PRESS: {
 965                 // Right click on a footnote flag opens float menu
 966                 if (cmd.button() == mouse_button::button3)
 967                         cur.clearSelection();
 968
 969                 // Middle button press pastes if we have a selection
 970                 // We do this here as if the selection was inside an inset
 971                 // it could get cleared on the unlocking of the inset so
 972                 // we have to check this first
 973                 bool paste_internally = false;
 974                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 975                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
 976                         paste_internally = true;
 977                 }
 978
 979                 bv->mouseSetCursor(cur);
 980
 981                 // Insert primary selection with middle mouse
 982                 // if there is a local selection in the current buffer,
 983                 // insert this
 984                 if (cmd.button() == mouse_button::button2) {
 985                         if (paste_internally)
 986                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 987                         else
 988                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 989                 }
 990
 991                 break;
 992         }
 993
 994         case LFUN_MOUSE_MOTION: {
 995                 // Only use motion with button 1
 996                 //if (cmd.button() != mouse_button::button1)
 997                 //      return false;
 998
 999                 // ignore motions deeper nested than the real anchor
1000                 LCursor & bvcur = cur.bv().cursor();
1001                 if (bvcur.anchor_.hasPart(cur)) {
1002                         CursorSlice old = bvcur.top();
1003
1004                         int const wh = bv->workHeight();
1005                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1006
1007                         setCursorFromCoordinates(cur, cmd.x, y);
1008                         cur.x_target() = cmd.x;
1009                         if (cmd.y >= wh)
1010                                 cursorDown(cur);
1011                         else if (cmd.y < 0)
1012                                 cursorUp(cur);
1013                         // This is to allow jumping over large insets
1014                         if (cur.top() == old) {
1015                                 if (cmd.y >= wh)
1016                                         cursorDown(cur);
1017                                 else if (cmd.y < 0)
1018                                         cursorUp(cur);
1019                         }
1020
1021                         if (cur.top() == old)
1022                                 cur.noUpdate();
1023                         else {
1024                                 // don't set anchor_
1025                                 bvcur.setCursor(cur);
1026                                 bvcur.selection() = true;
1027                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1028                         }
1029
1030                 } else
1031                         cur.undispatched();
1032                 break;
1033         }
1034
1035         case LFUN_MOUSE_RELEASE: {
1036                 if (cmd.button() == mouse_button::button2)
1037                         break;
1038
1039                 // finish selection
1040                 if (cmd.button() == mouse_button::button1)
1041                         bv->owner()->gui().selection().haveSelection(cur.selection());
1042
1043                 bv->switchKeyMap();
1044                 bv->owner()->updateMenubar();
1045                 bv->owner()->updateToolbars();
1046                 break;
1047         }
1048
1049         case LFUN_SELF_INSERT: {
1050                 if (cmd.argument().empty())
1051                         break;
1052
1053                 // Automatically delete the currently selected
1054                 // text and replace it with what is being
1055                 // typed in now. Depends on lyxrc settings
1056                 // "auto_region_delete", which defaults to
1057                 // true (on).
1058
1059                 if (lyxrc.auto_region_delete) {
1060                         if (cur.selection())
1061                                 cutSelection(cur, false, false);
1062                         bv->owner()->gui().selection().haveSelection(false);
1063                 }
1064
1065                 cur.clearSelection();
1066                 LyXFont const old_font = real_current_font;
1067
1068                 docstring::const_iterator cit = cmd.argument().begin();
1069                 docstring::const_iterator end = cmd.argument().end();
1070                 for (; cit != end; ++cit)
1071 #if 0
1072                         bv->owner()->getIntl().getTransManager().
1073                                 translateAndInsert(*cit, this);
1074 #else
1075                         insertChar(bv->cursor(), *cit);
1076 #endif
1077
1078                 cur.resetAnchor();
1079                 moveCursor(cur, false);
1080                 break;
1081         }
1082
1083         case LFUN_URL_INSERT: {
1084                 InsetCommandParams p("url");
1085                 string const data = InsetCommandMailer::params2string("url", p);
1086                 bv->owner()->getDialogs().show("url", data, 0);
1087                 break;
1088         }
1089
1090         case LFUN_HTML_INSERT: {
1091                 InsetCommandParams p("htmlurl");
1092                 string const data = InsetCommandMailer::params2string("url", p);
1093                 bv->owner()->getDialogs().show("url", data, 0);
1094                 break;
1095         }
1096
1097         case LFUN_LABEL_INSERT: {
1098                 // Try to generate a valid label
1099                 string const contents = cmd.argument().empty() ?
1100                         cur.getPossibleLabel() : lyx::to_utf8(cmd.argument());
1101
1102                 InsetCommandParams p("label", contents);
1103                 string const data = InsetCommandMailer::params2string("label", p);
1104
1105                 if (cmd.argument().empty()) {
1106                         bv->owner()->getDialogs().show("label", data, 0);
1107                 } else {
1108                         FuncRequest fr(LFUN_INSET_INSERT, data);
1109                         dispatch(cur, fr);
1110                 }
1111                 break;
1112         }
1113
1114
1115 #if 0
1116         case LFUN_LIST_INSERT:
1117         case LFUN_THEOREM_INSERT:
1118         case LFUN_CAPTION_INSERT:
1119 #endif
1120         case LFUN_NOTE_INSERT:
1121         case LFUN_CHARSTYLE_INSERT:
1122         case LFUN_BOX_INSERT:
1123         case LFUN_BRANCH_INSERT:
1124         case LFUN_BIBITEM_INSERT:
1125         case LFUN_ERT_INSERT:
1126         case LFUN_FOOTNOTE_INSERT:
1127         case LFUN_MARGINALNOTE_INSERT:
1128         case LFUN_OPTIONAL_INSERT:
1129         case LFUN_ENVIRONMENT_INSERT:
1130                 // Open the inset, and move the current selection
1131                 // inside it.
1132                 doInsertInset(cur, this, cmd, true, true);
1133                 cur.posRight();
1134                 break;
1135
1136         case LFUN_TABULAR_INSERT:
1137                 // if there were no arguments, just open the dialog
1138                 if (doInsertInset(cur, this, cmd, false, true))
1139                         cur.posRight();
1140                 else
1141                         bv->owner()->getDialogs().show("tabularcreate");
1142
1143                 break;
1144
1145         case LFUN_FLOAT_INSERT:
1146         case LFUN_FLOAT_WIDE_INSERT:
1147         case LFUN_WRAP_INSERT:
1148                 doInsertInset(cur, this, cmd, true, true);
1149                 cur.posRight();
1150                 // FIXME: the "Caption" name should not be hardcoded,
1151                 // but given by the float definition.
1152                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1153                 break;
1154
1155         case LFUN_INDEX_INSERT: {
1156                 InsetBase * inset = createInset(&cur.bv(), cmd);
1157                 if (!inset)
1158                         break;
1159
1160                 recordUndo(cur);
1161                 cur.clearSelection();
1162                 insertInset(cur, inset);
1163                 inset->edit(cur, true);
1164                 cur.posRight();
1165                 break;
1166         }
1167
1168         case LFUN_INDEX_PRINT:
1169         case LFUN_TOC_INSERT:
1170         case LFUN_HFILL_INSERT:
1171         case LFUN_LINE_INSERT:
1172         case LFUN_PAGEBREAK_INSERT:
1173                 // do nothing fancy
1174                 doInsertInset(cur, this, cmd, false, false);
1175                 cur.posRight();
1176                 break;
1177
1178         case LFUN_DEPTH_DECREMENT:
1179                 changeDepth(cur, DEC_DEPTH);
1180                 break;
1181
1182         case LFUN_DEPTH_INCREMENT:
1183                 changeDepth(cur, INC_DEPTH);
1184                 break;
1185
1186         case LFUN_MATH_DISPLAY:
1187                 mathDispatch(cur, cmd, true);
1188                 break;
1189
1190         case LFUN_MATH_IMPORT_SELECTION:
1191         case LFUN_MATH_MODE:
1192                 if (cmd.argument() == "on")
1193                         // don't pass "on" as argument
1194                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1195                 else
1196                         mathDispatch(cur, cmd, false);
1197                 break;
1198
1199         case LFUN_MATH_MACRO:
1200                 if (cmd.argument().empty())
1201                         cur.errorMessage(N_("Missing argument"));
1202                 else {
1203                         string s = lyx::to_utf8(cmd.argument());
1204                         string const s1 = token(s, ' ', 1);
1205                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1206                         string const s2 = token(s, ' ', 2);
1207                         string const type = s2.empty() ? "newcommand" : s2;
1208                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1209                         //cur.nextInset()->edit(cur, true);
1210                 }
1211                 break;
1212
1213         // passthrough hat and underscore outside mathed:
1214         case LFUN_MATH_SUBSCRIPT:
1215                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1216                 break;
1217         case LFUN_MATH_SUPERSCRIPT:
1218                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1219                 break;
1220
1221         case LFUN_MATH_INSERT:
1222         case LFUN_MATH_MATRIX:
1223         case LFUN_MATH_DELIM:
1224         case LFUN_MATH_BIGDELIM: {
1225                 cur.insert(new MathHullInset(hullSimple));
1226                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1227                 cur.dispatch(cmd);
1228                 break;
1229         }
1230
1231         case LFUN_FONT_EMPH: {
1232                 LyXFont font(LyXFont::ALL_IGNORE);
1233                 font.setEmph(LyXFont::TOGGLE);
1234                 toggleAndShow(cur, this, font);
1235                 break;
1236         }
1237
1238         case LFUN_FONT_BOLD: {
1239                 LyXFont font(LyXFont::ALL_IGNORE);
1240                 font.setSeries(LyXFont::BOLD_SERIES);
1241                 toggleAndShow(cur, this, font);
1242                 break;
1243         }
1244
1245         case LFUN_FONT_NOUN: {
1246                 LyXFont font(LyXFont::ALL_IGNORE);
1247                 font.setNoun(LyXFont::TOGGLE);
1248                 toggleAndShow(cur, this, font);
1249                 break;
1250         }
1251
1252         case LFUN_FONT_CODE: {
1253                 LyXFont font(LyXFont::ALL_IGNORE);
1254                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1255                 toggleAndShow(cur, this, font);
1256                 break;
1257         }
1258
1259         case LFUN_FONT_SANS: {
1260                 LyXFont font(LyXFont::ALL_IGNORE);
1261                 font.setFamily(LyXFont::SANS_FAMILY);
1262                 toggleAndShow(cur, this, font);
1263                 break;
1264         }
1265
1266         case LFUN_FONT_ROMAN: {
1267                 LyXFont font(LyXFont::ALL_IGNORE);
1268                 font.setFamily(LyXFont::ROMAN_FAMILY);
1269                 toggleAndShow(cur, this, font);
1270                 break;
1271         }
1272
1273         case LFUN_FONT_DEFAULT: {
1274                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1275                 toggleAndShow(cur, this, font);
1276                 break;
1277         }
1278
1279         case LFUN_FONT_UNDERLINE: {
1280                 LyXFont font(LyXFont::ALL_IGNORE);
1281                 font.setUnderbar(LyXFont::TOGGLE);
1282                 toggleAndShow(cur, this, font);
1283                 break;
1284         }
1285
1286         case LFUN_FONT_SIZE: {
1287                 LyXFont font(LyXFont::ALL_IGNORE);
1288                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1289                 toggleAndShow(cur, this, font);
1290                 break;
1291         }
1292
1293         case LFUN_LANGUAGE: {
1294                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1295                 if (!lang)
1296                         break;
1297                 LyXFont font(LyXFont::ALL_IGNORE);
1298                 font.setLanguage(lang);
1299                 toggleAndShow(cur, this, font);
1300                 bv->switchKeyMap();
1301                 break;
1302         }
1303
1304         case LFUN_FONT_FREE_APPLY:
1305                 toggleAndShow(cur, this, freefont, toggleall);
1306                 cur.message(lyx::to_utf8(_("Character set")));
1307                 break;
1308
1309         // Set the freefont using the contents of \param data dispatched from
1310         // the frontends and apply it at the current cursor location.
1311         case LFUN_FONT_FREE_UPDATE: {
1312                 LyXFont font;
1313                 bool toggle;
1314                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1315                         freefont = font;
1316                         toggleall = toggle;
1317                         toggleAndShow(cur, this, freefont, toggleall);
1318                         cur.message(lyx::to_utf8(_("Character set")));
1319                 }
1320                 break;
1321         }
1322
1323         case LFUN_FINISHED_LEFT:
1324                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1325                 break;
1326
1327         case LFUN_FINISHED_RIGHT:
1328                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1329                 ++cur.pos();
1330                 break;
1331
1332         case LFUN_FINISHED_UP:
1333                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1334                 cursorUp(cur);
1335                 break;
1336
1337         case LFUN_FINISHED_DOWN:
1338                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1339                 cursorDown(cur);
1340                 break;
1341
1342         case LFUN_LAYOUT_PARAGRAPH: {
1343                 string data;
1344                 params2string(cur.paragraph(), data);
1345                 data = "show\n" + data;
1346                 bv->owner()->getDialogs().show("paragraph", data);
1347                 break;
1348         }
1349
1350         case LFUN_PARAGRAPH_UPDATE: {
1351                 if (!bv->owner()->getDialogs().visible("paragraph"))
1352                         break;
1353                 string data;
1354                 params2string(cur.paragraph(), data);
1355
1356                 // Will the paragraph accept changes from the dialog?
1357                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1358
1359                 data = "update " + convert<string>(accept) + '\n' + data;
1360                 bv->owner()->getDialogs().update("paragraph", data);
1361                 break;
1362         }
1363
1364         case LFUN_ACCENT_UMLAUT:
1365         case LFUN_ACCENT_CIRCUMFLEX:
1366         case LFUN_ACCENT_GRAVE:
1367         case LFUN_ACCENT_ACUTE:
1368         case LFUN_ACCENT_TILDE:
1369         case LFUN_ACCENT_CEDILLA:
1370         case LFUN_ACCENT_MACRON:
1371         case LFUN_ACCENT_DOT:
1372         case LFUN_ACCENT_UNDERDOT:
1373         case LFUN_ACCENT_UNDERBAR:
1374         case LFUN_ACCENT_CARON:
1375         case LFUN_ACCENT_SPECIAL_CARON:
1376         case LFUN_ACCENT_BREVE:
1377         case LFUN_ACCENT_TIE:
1378         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1379         case LFUN_ACCENT_CIRCLE:
1380         case LFUN_ACCENT_OGONEK:
1381                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1382                 if (!cmd.argument().empty())
1383                         // FIXME: Are all these characters encoded in one byte in utf8?
1384                         bv->owner()->getIntl().getTransManager()
1385                                 .translateAndInsert(cmd.argument()[0], this);
1386                 break;
1387
1388         case LFUN_FLOAT_LIST: {
1389                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1390                 if (tclass.floats().typeExist(lyx::to_utf8(cmd.argument()))) {
1391                         // not quite sure if we want this...
1392                         recordUndo(cur);
1393                         cur.clearSelection();
1394                         breakParagraph(cur);
1395
1396                         if (cur.lastpos() != 0) {
1397                                 cursorLeft(cur);
1398                                 breakParagraph(cur);
1399                         }
1400
1401                         setLayout(cur, tclass.defaultLayoutName());
1402                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1403                         insertInset(cur, new InsetFloatList(lyx::to_utf8(cmd.argument())));
1404                         cur.posRight();
1405                 } else {
1406                         lyxerr << "Non-existent float type: "
1407                                << lyx::to_utf8(cmd.argument()) << endl;
1408                 }
1409                 break;
1410         }
1411
1412         case LFUN_CHANGE_ACCEPT: {
1413                 acceptChange(cur);
1414                 break;
1415         }
1416
1417         case LFUN_CHANGE_REJECT: {
1418                 rejectChange(cur);
1419                 break;
1420         }
1421
1422         case LFUN_THESAURUS_ENTRY: {
1423                 docstring arg = cmd.argument();
1424                 if (arg.empty()) {
1425                         arg = cur.selectionAsString(false);
1426                         // FIXME
1427                         if (arg.size() > 100 || arg.empty()) {
1428                                 // Get word or selection
1429                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1430                                 arg = cur.selectionAsString(false);
1431                         }
1432                 }
1433                 bv->owner()->getDialogs().show("thesaurus", lyx::to_utf8(arg));
1434                 break;
1435         }
1436
1437         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1438                 // Given data, an encoding of the ParagraphParameters
1439                 // generated in the Paragraph dialog, this function sets
1440                 // the current paragraph appropriately.
1441                 istringstream is(lyx::to_utf8(cmd.argument()));
1442                 LyXLex lex(0, 0);
1443                 lex.setStream(is);
1444                 ParagraphParameters params;
1445                 params.read(lex);
1446                 setParagraph(cur,
1447                                          params.spacing(),
1448                                          params.align(),
1449                                          params.labelWidthString(),
1450                                          params.noindent());
1451                 cur.message(lyx::to_utf8(_("Paragraph layout set")));
1452                 break;
1453         }
1454
1455         case LFUN_ESCAPE:
1456                 if (cur.selection()) {
1457                         cur.selection() = false;
1458                 } else {
1459                         cur.undispatched();
1460                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1461                 }
1462                 break;
1463
1464         default:
1465                 lyxerr[Debug::ACTION]
1466                         << BOOST_CURRENT_FUNCTION
1467                         << ": Command " << cmd
1468                         << " not DISPATCHED by LyXText" << endl;
1469                 cur.undispatched();
1470                 break;
1471         }
1472
1473         if (singleParUpdate)
1474                 // Inserting characters does not change par height
1475                 if (cur.bottom().paragraph().dim().height()
1476                     == olddim.height()) {
1477                         // if so, update _only_ this paragraph
1478                         cur.bv().update(Update::SinglePar |
1479                                         Update::FitCursor |
1480                                         Update::MultiParSel);
1481                         cur.noUpdate();
1482                         return;
1483                 } else
1484                         needsUpdate = true;
1485         if (!needsUpdate
1486             && &oldTopSlice.inset() == &cur.inset()
1487             && oldTopSlice.idx() == cur.idx()
1488             && !sel
1489             && !cur.selection())
1490                 cur.noUpdate();
1491         else
1492                 cur.needsUpdate();
1493 }
1494
1495
1496 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1497                         FuncStatus & flag) const
1498 {
1499         BOOST_ASSERT(cur.text() == this);
1500
1501         LyXFont const & font = real_current_font;
1502         bool enable = true;
1503         InsetBase::Code code = InsetBase::NO_CODE;
1504
1505         switch (cmd.action) {
1506
1507         case LFUN_DEPTH_DECREMENT:
1508                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1509                 break;
1510
1511         case LFUN_DEPTH_INCREMENT:
1512                 enable = changeDepthAllowed(cur, INC_DEPTH);
1513                 break;
1514
1515         case LFUN_APPENDIX:
1516                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1517                 return true;
1518
1519         case LFUN_BIBITEM_INSERT:
1520                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1521                 break;
1522
1523         case LFUN_DIALOG_SHOW_NEW_INSET:
1524                 if (cmd.argument() == "bibitem")
1525                         code = InsetBase::BIBITEM_CODE;
1526                 else if (cmd.argument() == "bibtex")
1527                         code = InsetBase::BIBTEX_CODE;
1528                 else if (cmd.argument() == "box")
1529                         code = InsetBase::BOX_CODE;
1530                 else if (cmd.argument() == "branch")
1531                         code = InsetBase::BRANCH_CODE;
1532                 else if (cmd.argument() == "citation")
1533                         code = InsetBase::CITE_CODE;
1534                 else if (cmd.argument() == "ert")
1535                         code = InsetBase::ERT_CODE;
1536                 else if (cmd.argument() == "external")
1537                         code = InsetBase::EXTERNAL_CODE;
1538                 else if (cmd.argument() == "float")
1539                         code = InsetBase::FLOAT_CODE;
1540                 else if (cmd.argument() == "graphics")
1541                         code = InsetBase::GRAPHICS_CODE;
1542                 else if (cmd.argument() == "include")
1543                         code = InsetBase::INCLUDE_CODE;
1544                 else if (cmd.argument() == "index")
1545                         code = InsetBase::INDEX_CODE;
1546                 else if (cmd.argument() == "label")
1547                         code = InsetBase::LABEL_CODE;
1548                 else if (cmd.argument() == "note")
1549                         code = InsetBase::NOTE_CODE;
1550                 else if (cmd.argument() == "ref")
1551                         code = InsetBase::REF_CODE;
1552                 else if (cmd.argument() == "toc")
1553                         code = InsetBase::TOC_CODE;
1554                 else if (cmd.argument() == "url")
1555                         code = InsetBase::URL_CODE;
1556                 else if (cmd.argument() == "vspace")
1557                         code = InsetBase::VSPACE_CODE;
1558                 else if (cmd.argument() == "wrap")
1559                         code = InsetBase::WRAP_CODE;
1560                 break;
1561
1562         case LFUN_ERT_INSERT:
1563                 code = InsetBase::ERT_CODE;
1564                 break;
1565         case LFUN_FOOTNOTE_INSERT:
1566                 code = InsetBase::FOOT_CODE;
1567                 break;
1568         case LFUN_TABULAR_INSERT:
1569                 code = InsetBase::TABULAR_CODE;
1570                 break;
1571         case LFUN_MARGINALNOTE_INSERT:
1572                 code = InsetBase::MARGIN_CODE;
1573                 break;
1574         case LFUN_FLOAT_INSERT:
1575         case LFUN_FLOAT_WIDE_INSERT:
1576                 code = InsetBase::FLOAT_CODE;
1577                 break;
1578         case LFUN_WRAP_INSERT:
1579                 code = InsetBase::WRAP_CODE;
1580                 break;
1581         case LFUN_FLOAT_LIST:
1582                 code = InsetBase::FLOAT_LIST_CODE;
1583                 break;
1584 #if 0
1585         case LFUN_LIST_INSERT:
1586                 code = InsetBase::LIST_CODE;
1587                 break;
1588         case LFUN_THEOREM_INSERT:
1589                 code = InsetBase::THEOREM_CODE;
1590                 break;
1591 #endif
1592         case LFUN_CAPTION_INSERT:
1593                 code = InsetBase::CAPTION_CODE;
1594                 break;
1595         case LFUN_NOTE_INSERT:
1596                 code = InsetBase::NOTE_CODE;
1597                 break;
1598         case LFUN_CHARSTYLE_INSERT:
1599                 code = InsetBase::CHARSTYLE_CODE;
1600                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1601                         enable = false;
1602                 break;
1603         case LFUN_BOX_INSERT:
1604                 code = InsetBase::BOX_CODE;
1605                 break;
1606         case LFUN_BRANCH_INSERT:
1607                 code = InsetBase::BRANCH_CODE;
1608                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1609                         enable = false;
1610                 break;
1611         case LFUN_LABEL_INSERT:
1612                 code = InsetBase::LABEL_CODE;
1613                 break;
1614         case LFUN_OPTIONAL_INSERT:
1615                 code = InsetBase::OPTARG_CODE;
1616                 enable = numberOfOptArgs(cur.paragraph())
1617                         < cur.paragraph().layout()->optionalargs;
1618                 break;
1619         case LFUN_ENVIRONMENT_INSERT:
1620                 code = InsetBase::BOX_CODE;
1621                 break;
1622         case LFUN_INDEX_INSERT:
1623                 code = InsetBase::INDEX_CODE;
1624                 break;
1625         case LFUN_INDEX_PRINT:
1626                 code = InsetBase::INDEX_PRINT_CODE;
1627                 break;
1628         case LFUN_TOC_INSERT:
1629                 code = InsetBase::TOC_CODE;
1630                 break;
1631         case LFUN_HTML_INSERT:
1632         case LFUN_URL_INSERT:
1633                 code = InsetBase::URL_CODE;
1634                 break;
1635         case LFUN_QUOTE_INSERT:
1636                 // always allow this, since we will inset a raw quote
1637                 // if an inset is not allowed.
1638                 break;
1639         case LFUN_HYPHENATION_POINT_INSERT:
1640         case LFUN_LIGATURE_BREAK_INSERT:
1641         case LFUN_HFILL_INSERT:
1642         case LFUN_MENU_SEPARATOR_INSERT:
1643         case LFUN_DOTS_INSERT:
1644         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1645                 code = InsetBase::SPECIALCHAR_CODE;
1646                 break;
1647         case LFUN_SPACE_INSERT:
1648                 // slight hack: we know this is allowed in math mode
1649                 if (cur.inTexted())
1650                         code = InsetBase::SPACE_CODE;
1651                 break;
1652
1653         case LFUN_INSET_MODIFY:
1654                 // We need to disable this, because we may get called for a
1655                 // tabular cell via
1656                 // InsetTabular::getStatus() -> InsetText::getStatus()
1657                 // and we don't handle LFUN_INSET_MODIFY.
1658                 enable = false;
1659                 break;
1660
1661         case LFUN_FONT_EMPH:
1662                 flag.setOnOff(font.emph() == LyXFont::ON);
1663                 return true;
1664
1665         case LFUN_FONT_NOUN:
1666                 flag.setOnOff(font.noun() == LyXFont::ON);
1667                 return true;
1668
1669         case LFUN_FONT_BOLD:
1670                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1671                 return true;
1672
1673         case LFUN_FONT_SANS:
1674                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1675                 return true;
1676
1677         case LFUN_FONT_ROMAN:
1678                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1679                 return true;
1680
1681         case LFUN_FONT_CODE:
1682                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1683                 return true;
1684
1685         case LFUN_CUT:
1686         case LFUN_COPY:
1687                 enable = cur.selection();
1688                 break;
1689
1690         case LFUN_PASTE:
1691                 enable = lyx::cap::numberOfSelections() > 0;
1692                 break;
1693
1694         case LFUN_PARAGRAPH_MOVE_UP:
1695                 enable = cur.pit() > 0 && !cur.selection();
1696                 break;
1697
1698         case LFUN_PARAGRAPH_MOVE_DOWN:
1699                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1700                 break;
1701
1702         case LFUN_INSET_DISSOLVE:
1703                 enable = !isMainText() && cur.inset().nargs() == 1;
1704                 break;
1705
1706         case LFUN_WORD_DELETE_FORWARD:
1707         case LFUN_WORD_DELETE_BACKWARD:
1708         case LFUN_LINE_DELETE:
1709         case LFUN_WORD_FORWARD:
1710         case LFUN_WORD_BACKWARD:
1711         case LFUN_CHAR_FORWARD:
1712         case LFUN_CHAR_FORWARD_SELECT:
1713         case LFUN_CHAR_BACKWARD:
1714         case LFUN_CHAR_BACKWARD_SELECT:
1715         case LFUN_UP:
1716         case LFUN_UP_SELECT:
1717         case LFUN_DOWN:
1718         case LFUN_DOWN_SELECT:
1719         case LFUN_PARAGRAPH_UP_SELECT:
1720         case LFUN_PARAGRAPH_DOWN_SELECT:
1721         case LFUN_SCREEN_UP_SELECT:
1722         case LFUN_SCREEN_DOWN_SELECT:
1723         case LFUN_LINE_BEGIN_SELECT:
1724         case LFUN_LINE_END_SELECT:
1725         case LFUN_WORD_FORWARD_SELECT:
1726         case LFUN_WORD_BACKWARD_SELECT:
1727         case LFUN_WORD_SELECT:
1728         case LFUN_PARAGRAPH_UP:
1729         case LFUN_PARAGRAPH_DOWN:
1730         case LFUN_SCREEN_UP:
1731         case LFUN_SCREEN_DOWN:
1732         case LFUN_LINE_BEGIN:
1733         case LFUN_LINE_END:
1734         case LFUN_BREAK_LINE:
1735         case LFUN_CHAR_DELETE_FORWARD:
1736         case LFUN_DELETE_FORWARD_SKIP:
1737         case LFUN_CHAR_DELETE_BACKWARD:
1738         case LFUN_DELETE_BACKWARD_SKIP:
1739         case LFUN_BREAK_PARAGRAPH:
1740         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1741         case LFUN_BREAK_PARAGRAPH_SKIP:
1742         case LFUN_PARAGRAPH_SPACING:
1743         case LFUN_INSET_INSERT:
1744         case LFUN_WORD_UPCASE:
1745         case LFUN_WORD_LOWCASE:
1746         case LFUN_WORD_CAPITALIZE:
1747         case LFUN_CHARS_TRANSPOSE:
1748         case LFUN_SERVER_GET_XY:
1749         case LFUN_SERVER_SET_XY:
1750         case LFUN_SERVER_GET_FONT:
1751         case LFUN_SERVER_GET_LAYOUT:
1752         case LFUN_LAYOUT:
1753         case LFUN_CLIPBOARD_PASTE:
1754         case LFUN_PRIMARY_SELECTION_PASTE:
1755         case LFUN_DATE_INSERT:
1756         case LFUN_SELF_INSERT:
1757         case LFUN_LINE_INSERT:
1758         case LFUN_PAGEBREAK_INSERT:
1759         case LFUN_MATH_DISPLAY:
1760         case LFUN_MATH_IMPORT_SELECTION:
1761         case LFUN_MATH_MODE:
1762         case LFUN_MATH_MACRO:
1763         case LFUN_MATH_INSERT:
1764         case LFUN_MATH_MATRIX:
1765         case LFUN_MATH_DELIM:
1766         case LFUN_MATH_BIGDELIM:
1767         case LFUN_MATH_SUBSCRIPT:
1768         case LFUN_MATH_SUPERSCRIPT:
1769         case LFUN_FONT_DEFAULT:
1770         case LFUN_FONT_UNDERLINE:
1771         case LFUN_FONT_SIZE:
1772         case LFUN_LANGUAGE:
1773         case LFUN_FONT_FREE_APPLY:
1774         case LFUN_FONT_FREE_UPDATE:
1775         case LFUN_LAYOUT_PARAGRAPH:
1776         case LFUN_PARAGRAPH_UPDATE:
1777         case LFUN_ACCENT_UMLAUT:
1778         case LFUN_ACCENT_CIRCUMFLEX:
1779         case LFUN_ACCENT_GRAVE:
1780         case LFUN_ACCENT_ACUTE:
1781         case LFUN_ACCENT_TILDE:
1782         case LFUN_ACCENT_CEDILLA:
1783         case LFUN_ACCENT_MACRON:
1784         case LFUN_ACCENT_DOT:
1785         case LFUN_ACCENT_UNDERDOT:
1786         case LFUN_ACCENT_UNDERBAR:
1787         case LFUN_ACCENT_CARON:
1788         case LFUN_ACCENT_SPECIAL_CARON:
1789         case LFUN_ACCENT_BREVE:
1790         case LFUN_ACCENT_TIE:
1791         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1792         case LFUN_ACCENT_CIRCLE:
1793         case LFUN_ACCENT_OGONEK:
1794         case LFUN_CHANGE_ACCEPT:
1795         case LFUN_CHANGE_REJECT:
1796         case LFUN_THESAURUS_ENTRY:
1797         case LFUN_PARAGRAPH_PARAMS_APPLY:
1798         case LFUN_ESCAPE:
1799         case LFUN_BUFFER_END:
1800         case LFUN_BUFFER_BEGIN:
1801         case LFUN_BUFFER_BEGIN_SELECT:
1802         case LFUN_BUFFER_END_SELECT:
1803                 // these are handled in our dispatch()
1804                 enable = true;
1805                 break;
1806
1807         default:
1808                 return false;
1809         }
1810
1811         if (code != InsetBase::NO_CODE
1812             && (cur.empty() || !cur.inset().insetAllowed(code)))
1813                 enable = false;
1814
1815         flag.enabled(enable);
1816         return true;
1817 }