src/Text3.cpp

   1 /**
   2  * \file Text3.cpp
   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 "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Changes.h"
  29 #include "Cursor.h"
  30 #include "CutAndPaste.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "InsetList.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyX.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "ParagraphParameters.h"
  45 #include "SpellChecker.h"
  46 #include "TextClass.h"
  47 #include "TextMetrics.h"
  48 #include "WordLangTuple.h"
  49
  50 #include "frontends/Application.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/InsetArgument.h"
  55 #include "insets/InsetCollapsable.h"
  56 #include "insets/InsetCommand.h"
  57 #include "insets/InsetExternal.h"
  58 #include "insets/InsetFloat.h"
  59 #include "insets/InsetFloatList.h"
  60 #include "insets/InsetGraphics.h"
  61 #include "insets/InsetGraphicsParams.h"
  62 #include "insets/InsetIPAMacro.h"
  63 #include "insets/InsetNewline.h"
  64 #include "insets/InsetQuotes.h"
  65 #include "insets/InsetSpecialChar.h"
  66 #include "insets/InsetText.h"
  67 #include "insets/InsetWrap.h"
  68
  69 #include "support/convert.h"
  70 #include "support/debug.h"
  71 #include "support/gettext.h"
  72 #include "support/lassert.h"
  73 #include "support/lstrings.h"
  74 #include "support/lyxtime.h"
  75 #include "support/os.h"
  76 #include "support/regex.h"
  77
  78 #include "mathed/InsetMathHull.h"
  79 #include "mathed/MathMacroTemplate.h"
  80
  81 #include <boost/next_prior.hpp>
  82
  83 #include <clocale>
  84 #include <sstream>
  85
  86 using namespace std;
  87 using namespace lyx::support;
  88
  89 namespace lyx {
  90
  91 using cap::copySelection;
  92 using cap::cutSelection;
  93 using cap::pasteFromStack;
  94 using cap::pasteClipboardText;
  95 using cap::pasteClipboardGraphics;
  96 using cap::replaceSelection;
  97 using cap::grabAndEraseSelection;
  98 using cap::selClearOrDel;
  99 using cap::pasteSimpleText;
 100
 101 // globals...
 102 static Font freefont(ignore_font, ignore_language);
 103 static bool toggleall = false;
 104
 105 static void toggleAndShow(Cursor & cur, Text * text,
 106         Font const & font, bool toggleall = true)
 107 {
 108         text->toggleFree(cur, font, toggleall);
 109
 110         if (font.language() != ignore_language ||
 111             font.fontInfo().number() != FONT_IGNORE) {
 112                 TextMetrics const & tm = cur.bv().textMetrics(text);
 113                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 114                                                        cur.real_current_font))
 115                         text->setCursor(cur, cur.pit(), cur.pos(),
 116                                         false, !cur.boundary());
 117         }
 118 }
 119
 120
 121 static void moveCursor(Cursor & cur, bool selecting)
 122 {
 123         if (selecting || cur.mark())
 124                 cur.setSelection();
 125 }
 126
 127
 128 static void finishChange(Cursor & cur, bool selecting)
 129 {
 130         cur.finishUndo();
 131         moveCursor(cur, selecting);
 132 }
 133
 134
 135 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 136 {
 137         cur.recordUndo();
 138         docstring sel = cur.selectionAsString(false);
 139
 140         // It may happen that sel is empty but there is a selection
 141         replaceSelection(cur);
 142
 143         // Is this a valid formula?
 144         bool valid = true;
 145
 146         if (sel.empty()) {
 147 #ifdef ENABLE_ASSERTIONS
 148                 const int old_pos = cur.pos();
 149 #endif
 150                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
 151 #ifdef ENABLE_ASSERTIONS
 152                 LATTEST(old_pos == cur.pos());
 153 #endif
 154                 cur.nextInset()->edit(cur, true);
 155                 // don't do that also for LFUN_MATH_MODE
 156                 // unless you want end up with always changing
 157                 // to mathrm when opening an inlined inset --
 158                 // I really hate "LyXfunc overloading"...
 159                 if (display)
 160                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 161                 // Avoid an unnecessary undo step if cmd.argument
 162                 // is empty
 163                 if (!cmd.argument().empty())
 164                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 165                                                  cmd.argument()));
 166         } else {
 167                 // create a macro if we see "\\newcommand"
 168                 // somewhere, and an ordinary formula
 169                 // otherwise
 170                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 171                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 172                                 && sel.find(from_ascii("\\def")) == string::npos)
 173                 {
 174                         InsetMathHull * formula = new InsetMathHull(cur.buffer());
 175                         string const selstr = to_utf8(sel);
 176                         istringstream is(selstr);
 177                         Lexer lex;
 178                         lex.setStream(is);
 179                         if (!formula->readQuiet(lex)) {
 180                                 // No valid formula, let's try with delims
 181                                 is.str("$" + selstr + "$");
 182                                 lex.setStream(is);
 183                                 if (!formula->readQuiet(lex)) {
 184                                         // Still not valid, leave it as is
 185                                         valid = false;
 186                                         delete formula;
 187                                         cur.insert(sel);
 188                                 } else
 189                                         cur.insert(formula);
 190                         } else
 191                                 cur.insert(formula);
 192                 } else {
 193                         cur.insert(new MathMacroTemplate(cur.buffer(), sel));
 194                 }
 195         }
 196         if (valid)
 197                 cur.message(from_utf8(N_("Math editor mode")));
 198         else
 199                 cur.message(from_utf8(N_("No valid math formula")));
 200 }
 201
 202
 203 void regexpDispatch(Cursor & cur, FuncRequest const & cmd)
 204 {
 205         LASSERT(cmd.action() == LFUN_REGEXP_MODE, return);
 206         if (cur.inRegexped()) {
 207                 cur.message(_("Already in regular expression mode"));
 208                 return;
 209         }
 210         cur.recordUndo();
 211         docstring sel = cur.selectionAsString(false);
 212
 213         // It may happen that sel is empty but there is a selection
 214         replaceSelection(cur);
 215
 216         cur.insert(new InsetMathHull(cur.buffer(), hullRegexp));
 217         cur.nextInset()->edit(cur, true);
 218         cur.niceInsert(sel);
 219
 220         cur.message(_("Regexp editor mode"));
 221 }
 222
 223
 224 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 225 {
 226         cur.recordUndo();
 227         cap::replaceSelection(cur);
 228         cur.insert(new InsetSpecialChar(kind));
 229         cur.posForward();
 230 }
 231
 232
 233 static void ipaChar(Cursor & cur, InsetIPAChar::Kind kind)
 234 {
 235         cur.recordUndo();
 236         cap::replaceSelection(cur);
 237         cur.insert(new InsetIPAChar(kind));
 238         cur.posForward();
 239 }
 240
 241
 242 static bool doInsertInset(Cursor & cur, Text * text,
 243         FuncRequest const & cmd, bool edit, bool pastesel)
 244 {
 245         Buffer & buffer = cur.bv().buffer();
 246         BufferParams const & bparams = buffer.params();
 247         Inset * inset = createInset(&buffer, cmd);
 248         if (!inset)
 249                 return false;
 250
 251         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 252                 ci->setButtonLabel();
 253
 254         cur.recordUndo();
 255         if (cmd.action() == LFUN_INDEX_INSERT) {
 256                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 257                 text->insertInset(cur, inset);
 258                 if (edit)
 259                         inset->edit(cur, true);
 260                 // Now put this into inset
 261                 Font const f(inherit_font, cur.current_font.language());
 262                 if (!ds.empty()) {
 263                         cur.text()->insertStringAsLines(cur, ds, f);
 264                         cur.leaveInset(*inset);
 265                 }
 266                 return true;
 267         }
 268
 269         bool gotsel = false;
 270         if (cur.selection()) {
 271                 cutSelection(cur, false, pastesel);
 272                 cur.clearSelection();
 273                 gotsel = true;
 274         }
 275         text->insertInset(cur, inset);
 276
 277         if (edit)
 278                 inset->edit(cur, true);
 279
 280         if (!gotsel || !pastesel)
 281                 return true;
 282
 283         pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
 284         cur.buffer()->errors("Paste");
 285         cur.clearSelection(); // bug 393
 286         cur.finishUndo();
 287         InsetText * inset_text = inset->asInsetText();
 288         if (inset_text) {
 289                 inset_text->fixParagraphsFont();
 290                 if (!inset_text->allowMultiPar() || cur.lastpit() == 0) {
 291                         // reset first par to default
 292                         cur.text()->paragraphs().begin()
 293                                 ->setPlainOrDefaultLayout(bparams.documentClass());
 294                         cur.pos() = 0;
 295                         cur.pit() = 0;
 296                         // Merge multiple paragraphs -- hack
 297                         while (cur.lastpit() > 0)
 298                                 mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 299                         if (cmd.action() == LFUN_FLEX_INSERT)
 300                                 return true;
 301                         Cursor old = cur;
 302                         cur.leaveInset(*inset);
 303                         if (cmd.action() == LFUN_PREVIEW_INSERT
 304                             || cmd.action() == LFUN_IPA_INSERT)
 305                                 // trigger preview
 306                                 notifyCursorLeavesOrEnters(old, cur);
 307                 }
 308         } else {
 309                 cur.leaveInset(*inset);
 310                 // reset surrounding par to default
 311                 DocumentClass const & dc = bparams.documentClass();
 312                 docstring const layoutname = inset->usePlainLayout()
 313                         ? dc.plainLayoutName()
 314                         : dc.defaultLayoutName();
 315                 text->setLayout(cur, layoutname);
 316         }
 317         return true;
 318 }
 319
 320
 321 string const freefont2string()
 322 {
 323         return freefont.toString(toggleall);
 324 }
 325
 326
 327 /// the type of outline operation
 328 enum OutlineOp {
 329         OutlineUp, // Move this header with text down
 330         OutlineDown,   // Move this header with text up
 331         OutlineIn, // Make this header deeper
 332         OutlineOut // Make this header shallower
 333 };
 334
 335
 336 static void outline(OutlineOp mode, Cursor & cur)
 337 {
 338         Buffer & buf = *cur.buffer();
 339         pit_type & pit = cur.pit();
 340         ParagraphList & pars = buf.text().paragraphs();
 341         ParagraphList::iterator const bgn = pars.begin();
 342         // The first paragraph of the area to be copied:
 343         ParagraphList::iterator start = boost::next(bgn, pit);
 344         // The final paragraph of area to be copied:
 345         ParagraphList::iterator finish = start;
 346         ParagraphList::iterator const end = pars.end();
 347
 348         DocumentClass const & tc = buf.params().documentClass();
 349
 350         int const thistoclevel = buf.text().getTocLevel(distance(bgn, start));
 351         int toclevel;
 352
 353         // Move out (down) from this section header
 354         if (finish != end)
 355                 ++finish;
 356
 357         // Seek the one (on same level) below
 358         for (; finish != end; ++finish) {
 359                 toclevel = buf.text().getTocLevel(distance(bgn, finish));
 360                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 361                         break;
 362         }
 363
 364         switch (mode) {
 365                 case OutlineUp: {
 366                         if (start == pars.begin())
 367                                 // Nothing to move.
 368                                 return;
 369                         ParagraphList::iterator dest = start;
 370                         // Move out (up) from this header
 371                         if (dest == bgn)
 372                                 return;
 373                         // Search previous same-level header above
 374                         do {
 375                                 --dest;
 376                                 toclevel = buf.text().getTocLevel(distance(bgn, dest));
 377                         } while(dest != bgn
 378                                 && (toclevel == Layout::NOT_IN_TOC
 379                                     || toclevel > thistoclevel));
 380                         // Not found; do nothing
 381                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 382                                 return;
 383                         pit_type const newpit = distance(bgn, dest);
 384                         pit_type const len = distance(start, finish);
 385                         pit_type const deletepit = pit + len;
 386                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 387                         pars.splice(dest, start, finish);
 388                         cur.pit() = newpit;
 389                         break;
 390                 }
 391                 case OutlineDown: {
 392                         if (finish == end)
 393                                 // Nothing to move.
 394                                 return;
 395                         // Go one down from *this* header:
 396                         ParagraphList::iterator dest = boost::next(finish, 1);
 397                         // Go further down to find header to insert in front of:
 398                         for (; dest != end; ++dest) {
 399                                 toclevel = buf.text().getTocLevel(distance(bgn, dest));
 400                                 if (toclevel != Layout::NOT_IN_TOC
 401                                       && toclevel <= thistoclevel)
 402                                         break;
 403                         }
 404                         // One such was found:
 405                         pit_type newpit = distance(bgn, dest);
 406                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 407                         pit_type const len = distance(start, finish);
 408                         pars.splice(dest, start, finish);
 409                         cur.pit() = newpit - len;
 410                         break;
 411                 }
 412                 case OutlineIn: {
 413                         pit_type const len = distance(start, finish);
 414                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 415                         for (; start != finish; ++start) {
 416                                 toclevel = buf.text().getTocLevel(distance(bgn, start));
 417                                 if (toclevel == Layout::NOT_IN_TOC)
 418                                         continue;
 419                                 DocumentClass::const_iterator lit = tc.begin();
 420                                 DocumentClass::const_iterator len = tc.end();
 421                                 for (; lit != len; ++lit) {
 422                                         if (lit->toclevel == toclevel + 1 &&
 423                                             start->layout().labeltype == lit->labeltype) {
 424                                                 start->setLayout(*lit);
 425                                                 break;
 426                                         }
 427                                 }
 428                         }
 429                         break;
 430                 }
 431                 case OutlineOut: {
 432                         pit_type const len = distance(start, finish);
 433                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 434                         for (; start != finish; ++start) {
 435                                 toclevel = buf.text().getTocLevel(distance(bgn, start));
 436                                 if (toclevel == Layout::NOT_IN_TOC)
 437                                         continue;
 438                                 DocumentClass::const_iterator lit = tc.begin();
 439                                 DocumentClass::const_iterator len = tc.end();
 440                                 for (; lit != len; ++lit) {
 441                                         if (lit->toclevel == toclevel - 1 &&
 442                                                 start->layout().labeltype == lit->labeltype) {
 443                                                         start->setLayout(*lit);
 444                                                         break;
 445                                         }
 446                                 }
 447                         }
 448                         break;
 449                 }
 450         }
 451 }
 452
 453
 454 void Text::number(Cursor & cur)
 455 {
 456         FontInfo font = ignore_font;
 457         font.setNumber(FONT_TOGGLE);
 458         toggleAndShow(cur, this, Font(font, ignore_language));
 459 }
 460
 461
 462 bool Text::isRTL(Paragraph const & par) const
 463 {
 464         Buffer const & buffer = owner_->buffer();
 465         return par.isRTL(buffer.params());
 466 }
 467
 468
 469 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 470 {
 471         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 472
 473         // Dispatch if the cursor is inside the text. It is not the
 474         // case for context menus (bug 5797).
 475         if (cur.text() != this) {
 476                 cur.undispatched();
 477                 return;
 478         }
 479
 480         BufferView * bv = &cur.bv();
 481         TextMetrics * tm = &bv->textMetrics(this);
 482         if (!tm->contains(cur.pit())) {
 483                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 484                 tm = &bv->textMetrics(this);
 485         }
 486
 487         // FIXME: We use the update flag to indicates wether a singlePar or a
 488         // full screen update is needed. We reset it here but shall we restore it
 489         // at the end?
 490         cur.noScreenUpdate();
 491
 492         LBUFERR(this == cur.text());
 493         CursorSlice const oldTopSlice = cur.top();
 494         bool const oldBoundary = cur.boundary();
 495         bool const oldSelection = cur.selection();
 496         // Signals that, even if needsUpdate == false, an update of the
 497         // cursor paragraph is required
 498         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action(),
 499                 LyXAction::SingleParUpdate);
 500         // Signals that a full-screen update is required
 501         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action(),
 502                 LyXAction::NoUpdate) || singleParUpdate);
 503         bool const last_misspelled = lyxrc.spellcheck_continuously
 504                 && cur.paragraph().isMisspelled(cur.pos(), true);
 505
 506         FuncCode const act = cmd.action();
 507         switch (act) {
 508
 509         case LFUN_PARAGRAPH_MOVE_DOWN: {
 510                 pit_type const pit = cur.pit();
 511                 recUndo(cur, pit, pit + 1);
 512                 cur.finishUndo();
 513                 pars_.swap(pit, pit + 1);
 514                 needsUpdate = true;
 515                 cur.forceBufferUpdate();
 516                 ++cur.pit();
 517                 break;
 518         }
 519
 520         case LFUN_PARAGRAPH_MOVE_UP: {
 521                 pit_type const pit = cur.pit();
 522                 recUndo(cur, pit - 1, pit);
 523                 cur.finishUndo();
 524                 pars_.swap(pit, pit - 1);
 525                 --cur.pit();
 526                 needsUpdate = true;
 527                 cur.forceBufferUpdate();
 528                 break;
 529         }
 530
 531         case LFUN_APPENDIX: {
 532                 Paragraph & par = cur.paragraph();
 533                 bool start = !par.params().startOfAppendix();
 534
 535 // FIXME: The code below only makes sense at top level.
 536 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 537                 // ensure that we have only one start_of_appendix in this document
 538                 // FIXME: this don't work for multipart document!
 539                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 540                         if (pars_[tmp].params().startOfAppendix()) {
 541                                 recUndo(cur, tmp);
 542                                 pars_[tmp].params().startOfAppendix(false);
 543                                 break;
 544                         }
 545                 }
 546
 547                 cur.recordUndo();
 548                 par.params().startOfAppendix(start);
 549
 550                 // we can set the refreshing parameters now
 551                 cur.forceBufferUpdate();
 552                 break;
 553         }
 554
 555         case LFUN_WORD_DELETE_FORWARD:
 556                 if (cur.selection())
 557                         cutSelection(cur, true, false);
 558                 else
 559                         deleteWordForward(cur);
 560                 finishChange(cur, false);
 561                 break;
 562
 563         case LFUN_WORD_DELETE_BACKWARD:
 564                 if (cur.selection())
 565                         cutSelection(cur, true, false);
 566                 else
 567                         deleteWordBackward(cur);
 568                 finishChange(cur, false);
 569                 break;
 570
 571         case LFUN_LINE_DELETE_FORWARD:
 572                 if (cur.selection())
 573                         cutSelection(cur, true, false);
 574                 else
 575                         tm->deleteLineForward(cur);
 576                 finishChange(cur, false);
 577                 break;
 578
 579         case LFUN_BUFFER_BEGIN:
 580         case LFUN_BUFFER_BEGIN_SELECT:
 581                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_BEGIN_SELECT);
 582                 if (cur.depth() == 1)
 583                         needsUpdate |= cursorTop(cur);
 584                 else
 585                         cur.undispatched();
 586                 cur.screenUpdateFlags(Update::FitCursor);
 587                 break;
 588
 589         case LFUN_BUFFER_END:
 590         case LFUN_BUFFER_END_SELECT:
 591                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_END_SELECT);
 592                 if (cur.depth() == 1)
 593                         needsUpdate |= cursorBottom(cur);
 594                 else
 595                         cur.undispatched();
 596                 cur.screenUpdateFlags(Update::FitCursor);
 597                 break;
 598
 599         case LFUN_INSET_BEGIN:
 600         case LFUN_INSET_BEGIN_SELECT:
 601                 needsUpdate |= cur.selHandle(act == LFUN_INSET_BEGIN_SELECT);
 602                 if (cur.depth() == 1 || !cur.top().at_begin())
 603                         needsUpdate |= cursorTop(cur);
 604                 else
 605                         cur.undispatched();
 606                 cur.screenUpdateFlags(Update::FitCursor);
 607                 break;
 608
 609         case LFUN_INSET_END:
 610         case LFUN_INSET_END_SELECT:
 611                 needsUpdate |= cur.selHandle(act == LFUN_INSET_END_SELECT);
 612                 if (cur.depth() == 1 || !cur.top().at_end())
 613                         needsUpdate |= cursorBottom(cur);
 614                 else
 615                         cur.undispatched();
 616                 cur.screenUpdateFlags(Update::FitCursor);
 617                 break;
 618
 619         case LFUN_INSET_SELECT_ALL:
 620                 if (cur.depth() == 1 || !cur.selection() || !cur.selBegin().at_begin()
 621                           || !cur.selEnd().at_end()) {
 622                         needsUpdate |= cur.selHandle(false);
 623                         needsUpdate |= cursorTop(cur);
 624                         needsUpdate |= cur.selHandle(true);
 625                         needsUpdate |= cursorBottom(cur);
 626                 } else
 627                         cur.undispatched();
 628                 cur.screenUpdateFlags(Update::FitCursor);
 629                 break;
 630
 631         case LFUN_CHAR_FORWARD:
 632         case LFUN_CHAR_FORWARD_SELECT:
 633                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 634                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_FORWARD_SELECT);
 635                 needsUpdate |= cursorForward(cur);
 636
 637                 if (!needsUpdate && oldTopSlice == cur.top()
 638                                 && cur.boundary() == oldBoundary) {
 639                         cur.undispatched();
 640                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 641
 642                         // we will probably be moving out the inset, so we should execute
 643                         // the depm-mechanism, but only when the cursor has a place to
 644                         // go outside this inset, i.e. in a slice above.
 645                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 646                                   && cur.pit() == cur.lastpit()) {
 647                                 // The cursor hasn't changed yet. To give the
 648                                 // DEPM the possibility of doing something we must
 649                                 // provide it with two different cursors.
 650                                 Cursor dummy = cur;
 651                                 dummy.pos() = dummy.pit() = 0;
 652                                 if (cur.bv().checkDepm(dummy, cur))
 653                                         cur.forceBufferUpdate();
 654                         }
 655                 }
 656                 break;
 657
 658         case LFUN_CHAR_BACKWARD:
 659         case LFUN_CHAR_BACKWARD_SELECT:
 660                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 661                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_BACKWARD_SELECT);
 662                 needsUpdate |= cursorBackward(cur);
 663
 664                 if (!needsUpdate && oldTopSlice == cur.top()
 665                         && cur.boundary() == oldBoundary) {
 666                         cur.undispatched();
 667                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 668
 669                         // we will probably be moving out the inset, so we should execute
 670                         // the depm-mechanism, but only when the cursor has a place to
 671                         // go outside this inset, i.e. in a slice above.
 672                         if (cur.depth() > 1 && cur.pos() == 0 && cur.pit() == 0) {
 673                                 // The cursor hasn't changed yet. To give the
 674                                 // DEPM the possibility of doing something we must
 675                                 // provide it with two different cursors.
 676                                 Cursor dummy = cur;
 677                                 dummy.pos() = cur.lastpos();
 678                                 dummy.pit() = cur.lastpit();
 679                                 if (cur.bv().checkDepm(dummy, cur))
 680                                         cur.forceBufferUpdate();
 681                         }
 682                 }
 683                 break;
 684
 685         case LFUN_CHAR_LEFT:
 686         case LFUN_CHAR_LEFT_SELECT:
 687                 if (lyxrc.visual_cursor) {
 688                         needsUpdate |= cur.selHandle(act == LFUN_CHAR_LEFT_SELECT);
 689                         needsUpdate |= cursorVisLeft(cur);
 690                         if (!needsUpdate && oldTopSlice == cur.top()
 691                                         && cur.boundary() == oldBoundary) {
 692                                 cur.undispatched();
 693                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 694                         }
 695                 } else {
 696                         if (reverseDirectionNeeded(cur)) {
 697                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 698                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 699                         } else {
 700                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 701                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 702                         }
 703                         dispatch(cur, cmd);
 704                         return;
 705                 }
 706                 break;
 707
 708         case LFUN_CHAR_RIGHT:
 709         case LFUN_CHAR_RIGHT_SELECT:
 710                 if (lyxrc.visual_cursor) {
 711                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_CHAR_RIGHT_SELECT);
 712                         needsUpdate |= cursorVisRight(cur);
 713                         if (!needsUpdate && oldTopSlice == cur.top()
 714                                         && cur.boundary() == oldBoundary) {
 715                                 cur.undispatched();
 716                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 717                         }
 718                 } else {
 719                         if (reverseDirectionNeeded(cur)) {
 720                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 721                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 722                         } else {
 723                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 724                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 725                         }
 726                         dispatch(cur, cmd);
 727                         return;
 728                 }
 729                 break;
 730
 731
 732         case LFUN_UP_SELECT:
 733         case LFUN_DOWN_SELECT:
 734         case LFUN_UP:
 735         case LFUN_DOWN: {
 736                 // stop/start the selection
 737                 bool select = cmd.action() == LFUN_DOWN_SELECT ||
 738                         cmd.action() == LFUN_UP_SELECT;
 739
 740                 // move cursor up/down
 741                 bool up = cmd.action() == LFUN_UP_SELECT || cmd.action() == LFUN_UP;
 742                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 743
 744                 if (!atFirstOrLastRow) {
 745                         needsUpdate |= cur.selHandle(select);
 746                         cur.selHandle(select);
 747                         cur.upDownInText(up, needsUpdate);
 748                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 749                 } else {
 750                         // if the cursor cannot be moved up or down do not remove
 751                         // the selection right now, but wait for the next dispatch.
 752                         if (select)
 753                                 needsUpdate |= cur.selHandle(select);
 754                         cur.upDownInText(up, needsUpdate);
 755                         cur.undispatched();
 756                 }
 757
 758                 break;
 759         }
 760
 761         case LFUN_PARAGRAPH_UP:
 762         case LFUN_PARAGRAPH_UP_SELECT:
 763                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_UP_SELECT);
 764                 needsUpdate |= cursorUpParagraph(cur);
 765                 break;
 766
 767         case LFUN_PARAGRAPH_DOWN:
 768         case LFUN_PARAGRAPH_DOWN_SELECT:
 769                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_DOWN_SELECT);
 770                 needsUpdate |= cursorDownParagraph(cur);
 771                 break;
 772
 773         case LFUN_LINE_BEGIN:
 774         case LFUN_LINE_BEGIN_SELECT:
 775                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_BEGIN_SELECT);
 776                 needsUpdate |= tm->cursorHome(cur);
 777                 break;
 778
 779         case LFUN_LINE_END:
 780         case LFUN_LINE_END_SELECT:
 781                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_END_SELECT);
 782                 needsUpdate |= tm->cursorEnd(cur);
 783                 break;
 784
 785         case LFUN_SECTION_SELECT: {
 786                 Buffer const & buf = *cur.buffer();
 787                 pit_type const pit = cur.pit();
 788                 ParagraphList & pars = buf.text().paragraphs();
 789                 ParagraphList::iterator bgn = pars.begin();
 790                 // The first paragraph of the area to be selected:
 791                 ParagraphList::iterator start = boost::next(bgn, pit);
 792                 // The final paragraph of area to be selected:
 793                 ParagraphList::iterator finish = start;
 794                 ParagraphList::iterator end = pars.end();
 795
 796                 int const thistoclevel = buf.text().getTocLevel(distance(bgn, start));
 797                 if (thistoclevel == Layout::NOT_IN_TOC)
 798                         break;
 799
 800                 cur.pos() = 0;
 801                 Cursor const old_cur = cur;
 802                 needsUpdate |= cur.selHandle(true);
 803
 804                 // Move out (down) from this section header
 805                 if (finish != end)
 806                         ++finish;
 807
 808                 // Seek the one (on same level) below
 809                 for (; finish != end; ++finish, ++cur.pit()) {
 810                         int const toclevel = buf.text().getTocLevel(distance(bgn, finish));
 811                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 812                                 break;
 813                 }
 814                 cur.pos() = cur.lastpos();
 815
 816                 needsUpdate |= cur != old_cur;
 817                 break;
 818         }
 819
 820         case LFUN_WORD_RIGHT:
 821         case LFUN_WORD_RIGHT_SELECT:
 822                 if (lyxrc.visual_cursor) {
 823                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_RIGHT_SELECT);
 824                         needsUpdate |= cursorVisRightOneWord(cur);
 825                         if (!needsUpdate && oldTopSlice == cur.top()
 826                                         && cur.boundary() == oldBoundary) {
 827                                 cur.undispatched();
 828                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 829                         }
 830                 } else {
 831                         if (reverseDirectionNeeded(cur)) {
 832                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 833                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 834                         } else {
 835                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 836                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 837                         }
 838                         dispatch(cur, cmd);
 839                         return;
 840                 }
 841                 break;
 842
 843         case LFUN_WORD_FORWARD:
 844         case LFUN_WORD_FORWARD_SELECT:
 845                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_FORWARD_SELECT);
 846                 needsUpdate |= cursorForwardOneWord(cur);
 847
 848                 if (!needsUpdate && oldTopSlice == cur.top()
 849                                 && cur.boundary() == oldBoundary) {
 850                         cur.undispatched();
 851                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 852
 853                         // we will probably be moving out the inset, so we should execute
 854                         // the depm-mechanism, but only when the cursor has a place to
 855                         // go outside this inset, i.e. in a slice above.
 856                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 857                                   && cur.pit() == cur.lastpit()) {
 858                                 // The cursor hasn't changed yet. To give the
 859                                 // DEPM the possibility of doing something we must
 860                                 // provide it with two different cursors.
 861                                 Cursor dummy = cur;
 862                                 dummy.pos() = dummy.pit() = 0;
 863                                 if (cur.bv().checkDepm(dummy, cur))
 864                                         cur.forceBufferUpdate();
 865                         }
 866                 }
 867                 break;
 868
 869         case LFUN_WORD_LEFT:
 870         case LFUN_WORD_LEFT_SELECT:
 871                 if (lyxrc.visual_cursor) {
 872                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_LEFT_SELECT);
 873                         needsUpdate |= cursorVisLeftOneWord(cur);
 874                         if (!needsUpdate && oldTopSlice == cur.top()
 875                                         && cur.boundary() == oldBoundary) {
 876                                 cur.undispatched();
 877                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 878                         }
 879                 } else {
 880                         if (reverseDirectionNeeded(cur)) {
 881                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 882                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 883                         } else {
 884                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 885                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 886                         }
 887                         dispatch(cur, cmd);
 888                         return;
 889                 }
 890                 break;
 891
 892         case LFUN_WORD_BACKWARD:
 893         case LFUN_WORD_BACKWARD_SELECT:
 894                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_BACKWARD_SELECT);
 895                 needsUpdate |= cursorBackwardOneWord(cur);
 896
 897                 if (!needsUpdate && oldTopSlice == cur.top()
 898                                 && cur.boundary() == oldBoundary) {
 899                         cur.undispatched();
 900                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 901
 902                         // we will probably be moving out the inset, so we should execute
 903                         // the depm-mechanism, but only when the cursor has a place to
 904                         // go outside this inset, i.e. in a slice above.
 905                         if (cur.depth() > 1 && cur.pos() == 0
 906                                   && cur.pit() == 0) {
 907                                 // The cursor hasn't changed yet. To give the
 908                                 // DEPM the possibility of doing something we must
 909                                 // provide it with two different cursors.
 910                                 Cursor dummy = cur;
 911                                 dummy.pos() = cur.lastpos();
 912                                 dummy.pit() = cur.lastpit();
 913                                 if (cur.bv().checkDepm(dummy, cur))
 914                                         cur.forceBufferUpdate();
 915                         }
 916                 }
 917                 break;
 918
 919         case LFUN_WORD_SELECT: {
 920                 selectWord(cur, WHOLE_WORD);
 921                 finishChange(cur, true);
 922                 break;
 923         }
 924
 925         case LFUN_NEWLINE_INSERT: {
 926                 InsetNewlineParams inp;
 927                 docstring arg = cmd.argument();
 928                 if (arg == "linebreak")
 929                         inp.kind = InsetNewlineParams::LINEBREAK;
 930                 else
 931                         inp.kind = InsetNewlineParams::NEWLINE;
 932                 cap::replaceSelection(cur);
 933                 cur.recordUndo();
 934                 cur.insert(new InsetNewline(inp));
 935                 cur.posForward();
 936                 moveCursor(cur, false);
 937                 break;
 938         }
 939
 940         case LFUN_TAB_INSERT: {
 941                 bool const multi_par_selection = cur.selection() &&
 942                         cur.selBegin().pit() != cur.selEnd().pit();
 943                 if (multi_par_selection) {
 944                         // If there is a multi-paragraph selection, a tab is inserted
 945                         // at the beginning of each paragraph.
 946                         cur.recordUndoSelection();
 947                         pit_type const pit_end = cur.selEnd().pit();
 948                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 949                                 pars_[pit].insertChar(0, '\t',
 950                                                       bv->buffer().params().trackChanges);
 951                                 // Update the selection pos to make sure the selection does not
 952                                 // change as the inserted tab will increase the logical pos.
 953                                 if (cur.realAnchor().pit() == pit)
 954                                         cur.realAnchor().forwardPos();
 955                                 if (cur.pit() == pit)
 956                                         cur.forwardPos();
 957                         }
 958                         cur.finishUndo();
 959                 } else {
 960                         // Maybe we shouldn't allow tabs within a line, because they
 961                         // are not (yet) aligned as one might do expect.
 962                         FuncRequest cmd(LFUN_SELF_INSERT, from_ascii("\t"));
 963                         dispatch(cur, cmd);
 964                 }
 965                 break;
 966         }
 967
 968         case LFUN_TAB_DELETE: {
 969                 bool const tc = bv->buffer().params().trackChanges;
 970                 if (cur.selection()) {
 971                         // If there is a selection, a tab (if present) is removed from
 972                         // the beginning of each paragraph.
 973                         cur.recordUndoSelection();
 974                         pit_type const pit_end = cur.selEnd().pit();
 975                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 976                                 Paragraph & par = paragraphs()[pit];
 977                                 if (par.empty())
 978                                         continue;
 979                                 char_type const c = par.getChar(0);
 980                                 if (c == '\t' || c == ' ') {
 981                                         // remove either 1 tab or 4 spaces.
 982                                         int const n = (c == ' ' ? 4 : 1);
 983                                         for (int i = 0; i < n
 984                                                   && !par.empty() && par.getChar(0) == c; ++i) {
 985                                                 if (cur.pit() == pit)
 986                                                         cur.posBackward();
 987                                                 if (cur.realAnchor().pit() == pit
 988                                                           && cur.realAnchor().pos() > 0 )
 989                                                         cur.realAnchor().backwardPos();
 990                                                 par.eraseChar(0, tc);
 991                                         }
 992                                 }
 993                         }
 994                         cur.finishUndo();
 995                 } else {
 996                         // If there is no selection, try to remove a tab or some spaces
 997                         // before the position of the cursor.
 998                         Paragraph & par = paragraphs()[cur.pit()];
 999                         pos_type const pos = cur.pos();
1000
1001                         if (pos == 0)
1002                                 break;
1003
1004                         char_type const c = par.getChar(pos - 1);
1005                         cur.recordUndo();
1006                         if (c == '\t') {
1007                                 cur.posBackward();
1008                                 par.eraseChar(cur.pos(), tc);
1009                         } else
1010                                 for (int n_spaces = 0;
1011                                      cur.pos() > 0
1012                                              && par.getChar(cur.pos() - 1) == ' '
1013                                              && n_spaces < 4;
1014                                      ++n_spaces) {
1015                                         cur.posBackward();
1016                                         par.eraseChar(cur.pos(), tc);
1017                                 }
1018                         cur.finishUndo();
1019                 }
1020                 break;
1021         }
1022
1023         case LFUN_CHAR_DELETE_FORWARD:
1024                 if (!cur.selection()) {
1025                         if (cur.pos() == cur.paragraph().size())
1026                                 // Par boundary, force full-screen update
1027                                 singleParUpdate = false;
1028                         needsUpdate |= erase(cur);
1029                         cur.resetAnchor();
1030                         // It is possible to make it a lot faster still
1031                         // just comment out the line below...
1032                 } else {
1033                         cutSelection(cur, true, false);
1034                         singleParUpdate = false;
1035                 }
1036                 moveCursor(cur, false);
1037                 break;
1038
1039         case LFUN_CHAR_DELETE_BACKWARD:
1040                 if (!cur.selection()) {
1041                         if (bv->getIntl().getTransManager().backspace()) {
1042                                 // Par boundary, full-screen update
1043                                 if (cur.pos() == 0)
1044                                         singleParUpdate = false;
1045                                 needsUpdate |= backspace(cur);
1046                                 cur.resetAnchor();
1047                                 // It is possible to make it a lot faster still
1048                                 // just comment out the line below...
1049                         }
1050                 } else {
1051                         cutSelection(cur, true, false);
1052                         singleParUpdate = false;
1053                 }
1054                 break;
1055
1056         case LFUN_PARAGRAPH_BREAK:
1057                 cap::replaceSelection(cur);
1058                 breakParagraph(cur, cmd.argument() == "inverse");
1059                 cur.resetAnchor();
1060                 break;
1061
1062         case LFUN_INSET_INSERT: {
1063                 cur.recordUndo();
1064
1065                 // We have to avoid triggering InstantPreview loading
1066                 // before inserting into the document. See bug #5626.
1067                 bool loaded = bv->buffer().isFullyLoaded();
1068                 bv->buffer().setFullyLoaded(false);
1069                 Inset * inset = createInset(&bv->buffer(), cmd);
1070                 bv->buffer().setFullyLoaded(loaded);
1071
1072                 if (inset) {
1073                         // FIXME (Abdel 01/02/2006):
1074                         // What follows would be a partial fix for bug 2154:
1075                         //   http://www.lyx.org/trac/ticket/2154
1076                         // This automatically put the label inset _after_ a
1077                         // numbered section. It should be possible to extend the mechanism
1078                         // to any kind of LateX environement.
1079                         // The correct way to fix that bug would be at LateX generation.
1080                         // I'll let the code here for reference as it could be used for some
1081                         // other feature like "automatic labelling".
1082                         /*
1083                         Paragraph & par = pars_[cur.pit()];
1084                         if (inset->lyxCode() == LABEL_CODE
1085                                 && !par.layout().counter.empty() {
1086                                 // Go to the end of the paragraph
1087                                 // Warning: Because of Change-Tracking, the last
1088                                 // position is 'size()' and not 'size()-1':
1089                                 cur.pos() = par.size();
1090                                 // Insert a new paragraph
1091                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
1092                                 dispatch(cur, fr);
1093                         }
1094                         */
1095                         if (cur.selection())
1096                                 cutSelection(cur, true, false);
1097                         cur.insert(inset);
1098                         if (inset->editable() && inset->asInsetText())
1099                                 inset->edit(cur, true);
1100                         else
1101                                 cur.posForward();
1102
1103                         // trigger InstantPreview now
1104                         if (inset->lyxCode() == EXTERNAL_CODE) {
1105                                 InsetExternal & ins =
1106                                         static_cast<InsetExternal &>(*inset);
1107                                 ins.updatePreview();
1108                         }
1109                 }
1110
1111                 break;
1112         }
1113
1114         case LFUN_INSET_DISSOLVE: {
1115                 if (dissolveInset(cur)) {
1116                         needsUpdate = true;
1117                         cur.forceBufferUpdate();
1118                 }
1119                 break;
1120         }
1121
1122         case LFUN_SET_GRAPHICS_GROUP: {
1123                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1124                 if (!ins)
1125                         break;
1126
1127                 cur.recordUndo();
1128
1129                 string id = to_utf8(cmd.argument());
1130                 string grp = graphics::getGroupParams(bv->buffer(), id);
1131                 InsetGraphicsParams tmp, inspar = ins->getParams();
1132
1133                 if (id.empty())
1134                         inspar.groupId = to_utf8(cmd.argument());
1135                 else {
1136                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1137                         tmp.filename = inspar.filename;
1138                         inspar = tmp;
1139                 }
1140
1141                 ins->setParams(inspar);
1142         }
1143
1144         case LFUN_SPACE_INSERT:
1145                 if (cur.paragraph().layout().free_spacing)
1146                         insertChar(cur, ' ');
1147                 else {
1148                         doInsertInset(cur, this, cmd, false, false);
1149                         cur.posForward();
1150                 }
1151                 moveCursor(cur, false);
1152                 break;
1153
1154         case LFUN_SPECIALCHAR_INSERT: {
1155                 string const name = to_utf8(cmd.argument());
1156                 if (name == "hyphenation")
1157                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1158                 else if (name == "ligature-break")
1159                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1160                 else if (name == "slash")
1161                         specialChar(cur, InsetSpecialChar::SLASH);
1162                 else if (name == "nobreakdash")
1163                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1164                 else if (name == "dots")
1165                         specialChar(cur, InsetSpecialChar::LDOTS);
1166                 else if (name == "end-of-sentence")
1167                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1168                 else if (name == "menu-separator")
1169                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1170                 else if (name.empty())
1171                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1172                 else
1173                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1174                 break;
1175         }
1176
1177         case LFUN_IPAMACRO_INSERT: {
1178                 string const arg = cmd.getArg(0);
1179                 if (arg == "deco") {
1180                         // Open the inset, and move the current selection
1181                         // inside it.
1182                         doInsertInset(cur, this, cmd, true, true);
1183                         cur.posForward();
1184                         // Some insets are numbered, others are shown in the outline pane so
1185                         // let's update the labels and the toc backend.
1186                         cur.forceBufferUpdate();
1187                         break;
1188                 }
1189                 if (arg == "tone-falling")
1190                         ipaChar(cur, InsetIPAChar::TONE_FALLING);
1191                 else if (arg == "tone-rising")
1192                         ipaChar(cur, InsetIPAChar::TONE_RISING);
1193                 else if (arg == "tone-high-rising")
1194                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING);
1195                 else if (arg == "tone-low-rising")
1196                         ipaChar(cur, InsetIPAChar::TONE_LOW_RISING);
1197                 else if (arg == "tone-high-rising-falling")
1198                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING_FALLING);
1199                 else if (arg.empty())
1200                         lyxerr << "LyX function 'ipamacro-insert' needs an argument." << endl;
1201                 else
1202                         lyxerr << "Wrong argument for LyX function 'ipamacro-insert'." << endl;
1203                 break;
1204         }
1205
1206         case LFUN_WORD_UPCASE:
1207                 changeCase(cur, text_uppercase);
1208                 break;
1209
1210         case LFUN_WORD_LOWCASE:
1211                 changeCase(cur, text_lowercase);
1212                 break;
1213
1214         case LFUN_WORD_CAPITALIZE:
1215                 changeCase(cur, text_capitalization);
1216                 break;
1217
1218         case LFUN_CHARS_TRANSPOSE:
1219                 charsTranspose(cur);
1220                 break;
1221
1222         case LFUN_PASTE: {
1223                 cur.message(_("Paste"));
1224                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), break);
1225                 cap::replaceSelection(cur);
1226
1227                 // without argument?
1228                 string const arg = to_utf8(cmd.argument());
1229                 if (arg.empty()) {
1230                         bool tryGraphics = true;
1231                         if (theClipboard().isInternal())
1232                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1233                         else if (theClipboard().hasTextContents()) {
1234                                 if (pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1235                                                        true, Clipboard::AnyTextType))
1236                                         tryGraphics = false;
1237                         }
1238                         if (tryGraphics && theClipboard().hasGraphicsContents())
1239                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1240                 } else if (isStrUnsignedInt(arg)) {
1241                         // we have a numerical argument
1242                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1243                                        convert<unsigned int>(arg));
1244                 } else if (arg == "html" || arg == "latex") {
1245                         Clipboard::TextType type = (arg == "html") ?
1246                                 Clipboard::HtmlTextType : Clipboard::LaTeXTextType;
1247                         pasteClipboardText(cur, bv->buffer().errorList("Paste"), true, type);
1248                 } else {
1249                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1250                         if (arg == "pdf")
1251                                 type = Clipboard::PdfGraphicsType;
1252                         else if (arg == "png")
1253                                 type = Clipboard::PngGraphicsType;
1254                         else if (arg == "jpeg")
1255                                 type = Clipboard::JpegGraphicsType;
1256                         else if (arg == "linkback")
1257                                 type = Clipboard::LinkBackGraphicsType;
1258                         else if (arg == "emf")
1259                                 type = Clipboard::EmfGraphicsType;
1260                         else if (arg == "wmf")
1261                                 type = Clipboard::WmfGraphicsType;
1262                         else
1263                                 // We used to assert, but couldn't the argument come from, say, the
1264                                 // minibuffer and just be mistyped?
1265                                 LYXERR0("Unrecognized graphics type: " << arg);
1266
1267                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1268                 }
1269
1270                 bv->buffer().errors("Paste");
1271                 cur.clearSelection(); // bug 393
1272                 cur.finishUndo();
1273                 break;
1274         }
1275
1276         case LFUN_CUT:
1277                 cutSelection(cur, true, true);
1278                 cur.message(_("Cut"));
1279                 break;
1280
1281         case LFUN_COPY:
1282                 copySelection(cur);
1283                 cur.message(_("Copy"));
1284                 break;
1285
1286         case LFUN_SERVER_GET_XY:
1287                 cur.message(from_utf8(
1288                         convert<string>(tm->cursorX(cur.top(), cur.boundary()))
1289                         + ' ' + convert<string>(tm->cursorY(cur.top(), cur.boundary()))));
1290                 break;
1291
1292         case LFUN_SERVER_SET_XY: {
1293                 int x = 0;
1294                 int y = 0;
1295                 istringstream is(to_utf8(cmd.argument()));
1296                 is >> x >> y;
1297                 if (!is)
1298                         lyxerr << "SETXY: Could not parse coordinates in '"
1299                                << to_utf8(cmd.argument()) << endl;
1300                 else
1301                         tm->setCursorFromCoordinates(cur, x, y);
1302                 break;
1303         }
1304
1305         case LFUN_SERVER_GET_LAYOUT:
1306                 cur.message(cur.paragraph().layout().name());
1307                 break;
1308
1309         case LFUN_LAYOUT: {
1310                 docstring layout = cmd.argument();
1311                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1312
1313                 Paragraph const & para = cur.paragraph();
1314                 docstring const old_layout = para.layout().name();
1315                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1316
1317                 if (layout.empty())
1318                         layout = tclass.defaultLayoutName();
1319
1320                 if (owner_->forcePlainLayout())
1321                         // in this case only the empty layout is allowed
1322                         layout = tclass.plainLayoutName();
1323                 else if (para.usePlainLayout()) {
1324                         // in this case, default layout maps to empty layout
1325                         if (layout == tclass.defaultLayoutName())
1326                                 layout = tclass.plainLayoutName();
1327                 } else {
1328                         // otherwise, the empty layout maps to the default
1329                         if (layout == tclass.plainLayoutName())
1330                                 layout = tclass.defaultLayoutName();
1331                 }
1332
1333                 bool hasLayout = tclass.hasLayout(layout);
1334
1335                 // If the entry is obsolete, use the new one instead.
1336                 if (hasLayout) {
1337                         docstring const & obs = tclass[layout].obsoleted_by();
1338                         if (!obs.empty())
1339                                 layout = obs;
1340                 }
1341
1342                 if (!hasLayout) {
1343                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1344                                 from_utf8(N_(" not known")));
1345                         break;
1346                 }
1347
1348                 bool change_layout = (old_layout != layout);
1349
1350                 if (!change_layout && cur.selection() &&
1351                         cur.selBegin().pit() != cur.selEnd().pit())
1352                 {
1353                         pit_type spit = cur.selBegin().pit();
1354                         pit_type epit = cur.selEnd().pit() + 1;
1355                         while (spit != epit) {
1356                                 if (pars_[spit].layout().name() != old_layout) {
1357                                         change_layout = true;
1358                                         break;
1359                                 }
1360                                 ++spit;
1361                         }
1362                 }
1363
1364                 if (change_layout)
1365                         setLayout(cur, layout);
1366
1367                 Layout::LaTeXArgMap args = tclass[layout].args();
1368                 Layout::LaTeXArgMap::const_iterator lait = args.begin();
1369                 Layout::LaTeXArgMap::const_iterator const laend = args.end();
1370                 for (; lait != laend; ++lait) {
1371                         Layout::latexarg arg = (*lait).second;
1372                         if (arg.autoinsert) {
1373                                 FuncRequest cmd(LFUN_ARGUMENT_INSERT, (*lait).first);
1374                                 lyx::dispatch(cmd);
1375                         }
1376                 }
1377
1378                 break;
1379         }
1380
1381         case LFUN_ENVIRONMENT_SPLIT: {
1382                 bool const outer = cmd.argument() == "outer";
1383                 Paragraph const & para = cur.paragraph();
1384                 docstring layout = para.layout().name();
1385                 depth_type split_depth = cur.paragraph().params().depth();
1386                 if (outer) {
1387                         // check if we have an environment in our nesting hierarchy
1388                         pit_type pit = cur.pit();
1389                         Paragraph cpar = pars_[pit];
1390                         while (true) {
1391                                 if (pit == 0 || cpar.params().depth() == 0)
1392                                         break;
1393                                 --pit;
1394                                 cpar = pars_[pit];
1395                                 if (cpar.params().depth() < split_depth
1396                                     && cpar.layout().isEnvironment()) {
1397                                                 layout = cpar.layout().name();
1398                                                 split_depth = cpar.params().depth();
1399                                 }
1400                         }
1401                 }
1402                 if (cur.pos() > 0)
1403                         lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_BREAK));
1404                 if (outer) {
1405                         while (cur.paragraph().params().depth() > split_depth)
1406                                 lyx::dispatch(FuncRequest(LFUN_DEPTH_DECREMENT));
1407                 }
1408                 bool const morecont = cur.lastpos() > cur.pos();
1409                 lyx::dispatch(FuncRequest(LFUN_LAYOUT, "Separator"));
1410                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_BREAK, "inverse"));
1411                 if (morecont)
1412                         lyx::dispatch(FuncRequest(LFUN_DOWN));
1413                 lyx::dispatch(FuncRequest(LFUN_LAYOUT, layout));
1414
1415                 break;
1416         }
1417
1418         case LFUN_CLIPBOARD_PASTE:
1419                 cap::replaceSelection(cur);
1420                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1421                                cmd.argument() == "paragraph");
1422                 bv->buffer().errors("Paste");
1423                 break;
1424
1425         case LFUN_CLIPBOARD_PASTE_SIMPLE:
1426                 cap::replaceSelection(cur);
1427                 pasteSimpleText(cur, cmd.argument() == "paragraph");
1428                 break;
1429
1430         case LFUN_PRIMARY_SELECTION_PASTE:
1431                 cap::replaceSelection(cur);
1432                 pasteString(cur, theSelection().get(),
1433                             cmd.argument() == "paragraph");
1434                 break;
1435
1436         case LFUN_SELECTION_PASTE:
1437                 // Copy the selection buffer to the clipboard stack,
1438                 // because we want it to appear in the "Edit->Paste
1439                 // recent" menu.
1440                 cap::replaceSelection(cur);
1441                 cap::copySelectionToStack();
1442                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1443                 bv->buffer().errors("Paste");
1444                 break;
1445
1446         case LFUN_UNICODE_INSERT: {
1447                 if (cmd.argument().empty())
1448                         break;
1449                 docstring hexstring = cmd.argument();
1450                 if (isHex(hexstring)) {
1451                         char_type c = hexToInt(hexstring);
1452                         if (c >= 32 && c < 0x10ffff) {
1453                                 lyxerr << "Inserting c: " << c << endl;
1454                                 docstring s = docstring(1, c);
1455                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1456                         }
1457                 }
1458                 break;
1459         }
1460
1461         case LFUN_QUOTE_INSERT: {
1462                 cap::replaceSelection(cur);
1463                 cur.recordUndo();
1464
1465                 Paragraph const & par = cur.paragraph();
1466                 pos_type pos = cur.pos();
1467                 // Ignore deleted text before cursor
1468                 while (pos > 0 && par.isDeleted(pos - 1))
1469                         --pos;
1470
1471                 BufferParams const & bufparams = bv->buffer().params();
1472                 bool const hebrew =
1473                         par.getFontSettings(bufparams, pos).language()->lang() == "hebrew";
1474                 bool const allow_inset_quote = !(par.isPassThru() || hebrew);
1475
1476                 string const arg = to_utf8(cmd.argument());
1477                 if (allow_inset_quote) {
1478                         char_type c = ' ';
1479                         if (pos > 0 && (!cur.prevInset() || !cur.prevInset()->isSpace()))
1480                                 c = par.getChar(pos - 1);
1481                         InsetQuotes::QuoteTimes const quote_type = (arg == "single")
1482                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes;
1483                         cur.insert(new InsetQuotes(cur.buffer(), c, quote_type));
1484                         cur.posForward();
1485                 } else {
1486                         // The cursor might have been invalidated by the replaceSelection.
1487                         cur.buffer()->changed(true);
1488                         string const quote_string = (arg == "single") ? "'" : "\"";
1489                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, quote_string));
1490                 }
1491                 break;
1492         }
1493
1494         case LFUN_DATE_INSERT: {
1495                 string const format = cmd.argument().empty()
1496                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1497                 string const time = formatted_time(current_time(), format);
1498                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1499                 break;
1500         }
1501
1502         case LFUN_MOUSE_TRIPLE:
1503                 if (cmd.button() == mouse_button::button1) {
1504                         tm->cursorHome(cur);
1505                         cur.resetAnchor();
1506                         tm->cursorEnd(cur);
1507                         cur.setSelection();
1508                         bv->cursor() = cur;
1509                 }
1510                 break;
1511
1512         case LFUN_MOUSE_DOUBLE:
1513                 if (cmd.button() == mouse_button::button1) {
1514                         selectWord(cur, WHOLE_WORD_STRICT);
1515                         bv->cursor() = cur;
1516                 }
1517                 break;
1518
1519         // Single-click on work area
1520         case LFUN_MOUSE_PRESS: {
1521                 // We are not marking a selection with the keyboard in any case.
1522                 Cursor & bvcur = cur.bv().cursor();
1523                 bvcur.setMark(false);
1524                 switch (cmd.button()) {
1525                 case mouse_button::button1:
1526                         // Set the cursor
1527                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1528                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1529                         if (bvcur.wordSelection())
1530                                 selectWord(bvcur, WHOLE_WORD);
1531                         break;
1532
1533                 case mouse_button::button2:
1534                         // Middle mouse pasting.
1535                         bv->mouseSetCursor(cur);
1536                         lyx::dispatch(
1537                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1538                                             "selection-paste ; primary-selection-paste paragraph"));
1539                         cur.noScreenUpdate();
1540                         break;
1541
1542                 case mouse_button::button3: {
1543                         // Don't do anything if we right-click a
1544                         // selection, a context menu will popup.
1545                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1546                             && cur < bvcur.selectionEnd()) {
1547                                 cur.noScreenUpdate();
1548                                 return;
1549                         }
1550                         if (!bv->mouseSetCursor(cur, false))
1551                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1552                         break;
1553                 }
1554
1555                 default:
1556                         break;
1557                 } // switch (cmd.button())
1558                 break;
1559         }
1560         case LFUN_MOUSE_MOTION: {
1561                 // Mouse motion with right or middle mouse do nothing for now.
1562                 if (cmd.button() != mouse_button::button1) {
1563                         cur.noScreenUpdate();
1564                         return;
1565                 }
1566                 // ignore motions deeper nested than the real anchor
1567                 Cursor & bvcur = cur.bv().cursor();
1568                 if (!bvcur.realAnchor().hasPart(cur)) {
1569                         cur.undispatched();
1570                         break;
1571                 }
1572                 CursorSlice old = bvcur.top();
1573
1574                 int const wh = bv->workHeight();
1575                 int const y = max(0, min(wh - 1, cmd.y()));
1576
1577                 tm->setCursorFromCoordinates(cur, cmd.x(), y);
1578                 cur.setTargetX(cmd.x());
1579                 if (cmd.y() >= wh)
1580                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1581                 else if (cmd.y() < 0)
1582                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1583                 // This is to allow jumping over large insets
1584                 if (cur.top() == old) {
1585                         if (cmd.y() >= wh)
1586                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1587                         else if (cmd.y() < 0)
1588                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1589                 }
1590                 // We continue with our existing selection or start a new one, so don't
1591                 // reset the anchor.
1592                 bvcur.setCursor(cur);
1593                 bvcur.setSelection(true);
1594                 if (cur.top() == old) {
1595                         // We didn't move one iota, so no need to update the screen.
1596                         cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1597                         //cur.noScreenUpdate();
1598                         return;
1599                 }
1600                 break;
1601         }
1602
1603         case LFUN_MOUSE_RELEASE:
1604                 switch (cmd.button()) {
1605                 case mouse_button::button1:
1606                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1607                         // If there is a new selection, update persistent selection;
1608                         // otherwise, single click does not clear persistent selection
1609                         // buffer.
1610                         if (cur.selection()) {
1611                                 // Finish selection. If double click,
1612                                 // cur is moved to the end of word by
1613                                 // selectWord but bvcur is current
1614                                 // mouse position.
1615                                 cur.bv().cursor().setSelection();
1616                                 // We might have removed an empty but drawn selection
1617                                 // (probably a margin)
1618                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1619                         } else
1620                                 cur.noScreenUpdate();
1621                         // FIXME: We could try to handle drag and drop of selection here.
1622                         return;
1623
1624                 case mouse_button::button2:
1625                         // Middle mouse pasting is handled at mouse press time,
1626                         // see LFUN_MOUSE_PRESS.
1627                         cur.noScreenUpdate();
1628                         return;
1629
1630                 case mouse_button::button3:
1631                         // Cursor was set at LFUN_MOUSE_PRESS time.
1632                         // FIXME: If there is a selection we could try to handle a special
1633                         // drag & drop context menu.
1634                         cur.noScreenUpdate();
1635                         return;
1636
1637                 case mouse_button::none:
1638                 case mouse_button::button4:
1639                 case mouse_button::button5:
1640                         break;
1641                 } // switch (cmd.button())
1642
1643                 break;
1644
1645         case LFUN_SELF_INSERT: {
1646                 if (cmd.argument().empty())
1647                         break;
1648
1649                 // Automatically delete the currently selected
1650                 // text and replace it with what is being
1651                 // typed in now. Depends on lyxrc settings
1652                 // "auto_region_delete", which defaults to
1653                 // true (on).
1654
1655                 if (lyxrc.auto_region_delete && cur.selection())
1656                         cutSelection(cur, false, false);
1657
1658                 cur.clearSelection();
1659
1660                 docstring::const_iterator cit = cmd.argument().begin();
1661                 docstring::const_iterator const end = cmd.argument().end();
1662                 for (; cit != end; ++cit)
1663                         bv->translateAndInsert(*cit, this, cur);
1664
1665                 cur.resetAnchor();
1666                 moveCursor(cur, false);
1667                 cur.markNewWordPosition();
1668                 bv->bookmarkEditPosition();
1669                 break;
1670         }
1671
1672         case LFUN_HREF_INSERT: {
1673                 // FIXME If we're actually given an argument, shouldn't
1674                 // we use it, whether or not we have a selection?
1675                 docstring content = cmd.argument();
1676                 if (cur.selection()) {
1677                         content = cur.selectionAsString(false);
1678                         cutSelection(cur, true, false);
1679                 }
1680
1681                 InsetCommandParams p(HYPERLINK_CODE);
1682                 if (!content.empty()){
1683                         // if it looks like a link, we'll put it as target,
1684                         // otherwise as name (bug #8792).
1685
1686                         // We can't do:
1687                         //   regex_match(to_utf8(content), matches, link_re)
1688                         // because smatch stores pointers to the substrings rather
1689                         // than making copies of them. And those pointers become
1690                         // invalid after regex_match returns, since it is then
1691                         // being given a temporary object. (Thanks to Georg for
1692                         // figuring that out.)
1693                         regex const link_re("^([a-z]+):.*");
1694                         smatch matches;
1695                         string const c = to_utf8(lowercase(content));
1696
1697                         if (c.substr(0,7) == "mailto:") {
1698                                 p["target"] = content;
1699                                 p["type"] = from_ascii("mailto:");
1700                         } else if (regex_match(c, matches, link_re)) {
1701                                 p["target"] = content;
1702                                 string protocol = matches.str(1);
1703                                 if (protocol == "file")
1704                                         p["type"] = from_ascii("file:");
1705                         } else
1706                                 p["name"] = content;
1707                 }
1708                 string const data = InsetCommand::params2string(p);
1709
1710                 // we need to have a target. if we already have one, then
1711                 // that gets used at the default for the name, too, which
1712                 // is probably what is wanted.
1713                 if (p["target"].empty()) {
1714                         bv->showDialog("href", data);
1715                 } else {
1716                         FuncRequest fr(LFUN_INSET_INSERT, data);
1717                         dispatch(cur, fr);
1718                 }
1719                 break;
1720         }
1721
1722         case LFUN_LABEL_INSERT: {
1723                 InsetCommandParams p(LABEL_CODE);
1724                 // Try to generate a valid label
1725                 p["name"] = (cmd.argument().empty()) ?
1726                         cur.getPossibleLabel() :
1727                         cmd.argument();
1728                 string const data = InsetCommand::params2string(p);
1729
1730                 if (cmd.argument().empty()) {
1731                         bv->showDialog("label", data);
1732                 } else {
1733                         FuncRequest fr(LFUN_INSET_INSERT, data);
1734                         dispatch(cur, fr);
1735                 }
1736                 break;
1737         }
1738
1739         case LFUN_INFO_INSERT: {
1740                 Inset * inset;
1741                 if (cmd.argument().empty() && cur.selection()) {
1742                         // if command argument is empty use current selection as parameter.
1743                         docstring ds = cur.selectionAsString(false);
1744                         cutSelection(cur, true, false);
1745                         FuncRequest cmd0(cmd, ds);
1746                         inset = createInset(cur.buffer(), cmd0);
1747                 } else {
1748                         inset = createInset(cur.buffer(), cmd);
1749                 }
1750                 if (!inset)
1751                         break;
1752                 cur.recordUndo();
1753                 insertInset(cur, inset);
1754                 cur.posForward();
1755                 break;
1756         }
1757         case LFUN_CAPTION_INSERT:
1758         case LFUN_FOOTNOTE_INSERT:
1759         case LFUN_NOTE_INSERT:
1760         case LFUN_BOX_INSERT:
1761         case LFUN_BRANCH_INSERT:
1762         case LFUN_PHANTOM_INSERT:
1763         case LFUN_ERT_INSERT:
1764         case LFUN_LISTING_INSERT:
1765         case LFUN_MARGINALNOTE_INSERT:
1766         case LFUN_ARGUMENT_INSERT:
1767         case LFUN_INDEX_INSERT:
1768         case LFUN_PREVIEW_INSERT:
1769         case LFUN_SCRIPT_INSERT:
1770         case LFUN_IPA_INSERT:
1771                 // Open the inset, and move the current selection
1772                 // inside it.
1773                 doInsertInset(cur, this, cmd, true, true);
1774                 cur.posForward();
1775                 // Some insets are numbered, others are shown in the outline pane so
1776                 // let's update the labels and the toc backend.
1777                 cur.forceBufferUpdate();
1778                 break;
1779
1780         case LFUN_FLEX_INSERT: {
1781                 // Open the inset, and move the current selection
1782                 // inside it.
1783                 bool const sel = cur.selection();
1784                 doInsertInset(cur, this, cmd, true, true);
1785                 // Insert auto-insert arguments
1786                 bool autoargs = false;
1787                 Layout::LaTeXArgMap args = cur.inset().getLayout().latexargs();
1788                 Layout::LaTeXArgMap::const_iterator lait = args.begin();
1789                 Layout::LaTeXArgMap::const_iterator const laend = args.end();
1790                 for (; lait != laend; ++lait) {
1791                         Layout::latexarg arg = (*lait).second;
1792                         if (arg.autoinsert) {
1793                                 // The cursor might have been invalidated by the replaceSelection.
1794                                 cur.buffer()->changed(true);
1795                                 FuncRequest cmd(LFUN_ARGUMENT_INSERT, (*lait).first);
1796                                 lyx::dispatch(cmd);
1797                                 autoargs = true;
1798                         }
1799                 }
1800                 if (!autoargs) {
1801                         if (sel)
1802                                 cur.leaveInset(cur.inset());
1803                         cur.posForward();
1804                 }
1805                 // Some insets are numbered, others are shown in the outline pane so
1806                 // let's update the labels and the toc backend.
1807                 cur.forceBufferUpdate();
1808                 break;
1809         }
1810
1811         case LFUN_TABULAR_INSERT:
1812                 // if there were no arguments, just open the dialog
1813                 if (doInsertInset(cur, this, cmd, false, true))
1814                         cur.posForward();
1815                 else
1816                         bv->showDialog("tabularcreate");
1817
1818                 break;
1819
1820         case LFUN_FLOAT_INSERT:
1821         case LFUN_FLOAT_WIDE_INSERT:
1822         case LFUN_WRAP_INSERT: {
1823                 // will some content be moved into the inset?
1824                 bool const content = cur.selection();
1825                 // does the content consist of multiple paragraphs?
1826                 bool const singlepar = (cur.selBegin().pit() == cur.selEnd().pit());
1827
1828                 doInsertInset(cur, this, cmd, true, true);
1829                 cur.posForward();
1830
1831                 // If some single-par content is moved into the inset,
1832                 // doInsertInset puts the cursor outside the inset.
1833                 // To insert the caption we put it back into the inset.
1834                 // FIXME cleanup doInsertInset to avoid such dances!
1835                 if (content && singlepar)
1836                         cur.backwardPos();
1837
1838                 ParagraphList & pars = cur.text()->paragraphs();
1839
1840                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1841
1842                 // add a separate paragraph for the caption inset
1843                 pars.push_back(Paragraph());
1844                 pars.back().setInsetOwner(&cur.text()->inset());
1845                 pars.back().setPlainOrDefaultLayout(tclass);
1846                 int cap_pit = pars.size() - 1;
1847
1848                 // if an empty inset was created, we create an additional empty
1849                 // paragraph at the bottom so that the user can choose where to put
1850                 // the graphics (or table).
1851                 if (!content) {
1852                         pars.push_back(Paragraph());
1853                         pars.back().setInsetOwner(&cur.text()->inset());
1854                         pars.back().setPlainOrDefaultLayout(tclass);
1855                 }
1856
1857                 // reposition the cursor to the caption
1858                 cur.pit() = cap_pit;
1859                 cur.pos() = 0;
1860                 // FIXME: This Text/Cursor dispatch handling is a mess!
1861                 // We cannot use Cursor::dispatch here it needs access to up to
1862                 // date metrics.
1863                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1864                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1865                 cur.forceBufferUpdate();
1866                 cur.screenUpdateFlags(Update::Force);
1867                 // FIXME: When leaving the Float (or Wrap) inset we should
1868                 // delete any empty paragraph left above or below the
1869                 // caption.
1870                 break;
1871         }
1872
1873         case LFUN_NOMENCL_INSERT: {
1874                 InsetCommandParams p(NOMENCL_CODE);
1875                 if (cmd.argument().empty())
1876                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1877                 else
1878                         p["symbol"] = cmd.argument();
1879                 string const data = InsetCommand::params2string(p);
1880                 bv->showDialog("nomenclature", data);
1881                 break;
1882         }
1883
1884         case LFUN_INDEX_PRINT: {
1885                 InsetCommandParams p(INDEX_PRINT_CODE);
1886                 if (cmd.argument().empty())
1887                         p["type"] = from_ascii("idx");
1888                 else
1889                         p["type"] = cmd.argument();
1890                 string const data = InsetCommand::params2string(p);
1891                 FuncRequest fr(LFUN_INSET_INSERT, data);
1892                 dispatch(cur, fr);
1893                 break;
1894         }
1895
1896         case LFUN_NOMENCL_PRINT:
1897         case LFUN_NEWPAGE_INSERT:
1898                 // do nothing fancy
1899                 doInsertInset(cur, this, cmd, false, false);
1900                 cur.posForward();
1901                 break;
1902
1903         case LFUN_DEPTH_DECREMENT:
1904                 changeDepth(cur, DEC_DEPTH);
1905                 break;
1906
1907         case LFUN_DEPTH_INCREMENT:
1908                 changeDepth(cur, INC_DEPTH);
1909                 break;
1910
1911         case LFUN_MATH_DISPLAY:
1912                 mathDispatch(cur, cmd, true);
1913                 break;
1914
1915         case LFUN_REGEXP_MODE:
1916                 regexpDispatch(cur, cmd);
1917                 break;
1918
1919         case LFUN_MATH_MODE:
1920                 if (cmd.argument() == "on")
1921                         // don't pass "on" as argument
1922                         // (it would appear literally in the first cell)
1923                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1924                 else
1925                         mathDispatch(cur, cmd, false);
1926                 break;
1927
1928         case LFUN_MATH_MACRO:
1929                 if (cmd.argument().empty())
1930                         cur.errorMessage(from_utf8(N_("Missing argument")));
1931                 else {
1932                         cur.recordUndo();
1933                         string s = to_utf8(cmd.argument());
1934                         string const s1 = token(s, ' ', 1);
1935                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1936                         string const s2 = token(s, ' ', 2);
1937                         MacroType type = MacroTypeNewcommand;
1938                         if (s2 == "def")
1939                                 type = MacroTypeDef;
1940                         MathMacroTemplate * inset = new MathMacroTemplate(cur.buffer(),
1941                                 from_utf8(token(s, ' ', 0)), nargs, false, type);
1942                         inset->setBuffer(bv->buffer());
1943                         insertInset(cur, inset);
1944
1945                         // enter macro inset and select the name
1946                         cur.push(*inset);
1947                         cur.top().pos() = cur.top().lastpos();
1948                         cur.resetAnchor();
1949                         cur.setSelection(true);
1950                         cur.top().pos() = 0;
1951                 }
1952                 break;
1953
1954         // passthrough hat and underscore outside mathed:
1955         case LFUN_MATH_SUBSCRIPT:
1956                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1957                 break;
1958         case LFUN_MATH_SUPERSCRIPT:
1959                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1960                 break;
1961
1962         case LFUN_MATH_INSERT:
1963         case LFUN_MATH_AMS_MATRIX:
1964         case LFUN_MATH_MATRIX:
1965         case LFUN_MATH_DELIM:
1966         case LFUN_MATH_BIGDELIM: {
1967                 cur.recordUndo();
1968                 cap::replaceSelection(cur);
1969                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
1970                 checkAndActivateInset(cur, true);
1971                 LASSERT(cur.inMathed(), break);
1972                 cur.dispatch(cmd);
1973                 break;
1974         }
1975
1976         case LFUN_FONT_EMPH: {
1977                 Font font(ignore_font, ignore_language);
1978                 font.fontInfo().setEmph(FONT_TOGGLE);
1979                 toggleAndShow(cur, this, font);
1980                 break;
1981         }
1982
1983         case LFUN_FONT_ITAL: {
1984                 Font font(ignore_font, ignore_language);
1985                 font.fontInfo().setShape(ITALIC_SHAPE);
1986                 toggleAndShow(cur, this, font);
1987                 break;
1988         }
1989
1990         case LFUN_FONT_BOLD:
1991         case LFUN_FONT_BOLDSYMBOL: {
1992                 Font font(ignore_font, ignore_language);
1993                 font.fontInfo().setSeries(BOLD_SERIES);
1994                 toggleAndShow(cur, this, font);
1995                 break;
1996         }
1997
1998         case LFUN_FONT_NOUN: {
1999                 Font font(ignore_font, ignore_language);
2000                 font.fontInfo().setNoun(FONT_TOGGLE);
2001                 toggleAndShow(cur, this, font);
2002                 break;
2003         }
2004
2005         case LFUN_FONT_TYPEWRITER: {
2006                 Font font(ignore_font, ignore_language);
2007                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
2008                 toggleAndShow(cur, this, font);
2009                 break;
2010         }
2011
2012         case LFUN_FONT_SANS: {
2013                 Font font(ignore_font, ignore_language);
2014                 font.fontInfo().setFamily(SANS_FAMILY);
2015                 toggleAndShow(cur, this, font);
2016                 break;
2017         }
2018
2019         case LFUN_FONT_ROMAN: {
2020                 Font font(ignore_font, ignore_language);
2021                 font.fontInfo().setFamily(ROMAN_FAMILY);
2022                 toggleAndShow(cur, this, font);
2023                 break;
2024         }
2025
2026         case LFUN_FONT_DEFAULT: {
2027                 Font font(inherit_font, ignore_language);
2028                 toggleAndShow(cur, this, font);
2029                 break;
2030         }
2031
2032         case LFUN_FONT_STRIKEOUT: {
2033                 Font font(ignore_font, ignore_language);
2034                 font.fontInfo().setStrikeout(FONT_TOGGLE);
2035                 toggleAndShow(cur, this, font);
2036                 break;
2037         }
2038
2039         case LFUN_FONT_UNDERUNDERLINE: {
2040                 Font font(ignore_font, ignore_language);
2041                 font.fontInfo().setUuline(FONT_TOGGLE);
2042                 toggleAndShow(cur, this, font);
2043                 break;
2044         }
2045
2046         case LFUN_FONT_UNDERWAVE: {
2047                 Font font(ignore_font, ignore_language);
2048                 font.fontInfo().setUwave(FONT_TOGGLE);
2049                 toggleAndShow(cur, this, font);
2050                 break;
2051         }
2052
2053         case LFUN_FONT_UNDERLINE: {
2054                 Font font(ignore_font, ignore_language);
2055                 font.fontInfo().setUnderbar(FONT_TOGGLE);
2056                 toggleAndShow(cur, this, font);
2057                 break;
2058         }
2059
2060         case LFUN_FONT_SIZE: {
2061                 Font font(ignore_font, ignore_language);
2062                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
2063                 toggleAndShow(cur, this, font);
2064                 break;
2065         }
2066
2067         case LFUN_LANGUAGE: {
2068                 string const lang_arg = cmd.getArg(0);
2069                 bool const reset = (lang_arg.empty() || lang_arg == "reset");
2070                 Language const * lang =
2071                         reset ? reset_language
2072                               : languages.getLanguage(lang_arg);
2073                 // we allow reset_language, which is 0, but only if it
2074                 // was requested via empty or "reset" arg.
2075                 if (!lang && !reset)
2076                         break;
2077                 bool const toggle = (cmd.getArg(1) != "set");
2078                 selectWordWhenUnderCursor(cur, WHOLE_WORD_STRICT);
2079                 Font font(ignore_font, lang);
2080                 toggleAndShow(cur, this, font, toggle);
2081                 break;
2082         }
2083
2084         case LFUN_TEXTSTYLE_APPLY:
2085                 toggleAndShow(cur, this, freefont, toggleall);
2086                 cur.message(_("Character set"));
2087                 break;
2088
2089         // Set the freefont using the contents of \param data dispatched from
2090         // the frontends and apply it at the current cursor location.
2091         case LFUN_TEXTSTYLE_UPDATE: {
2092                 Font font;
2093                 bool toggle;
2094                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
2095                         freefont = font;
2096                         toggleall = toggle;
2097                         toggleAndShow(cur, this, freefont, toggleall);
2098                         cur.message(_("Character set"));
2099                 } else {
2100                         lyxerr << "Argument not ok";
2101                 }
2102                 break;
2103         }
2104
2105         case LFUN_FINISHED_LEFT:
2106                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
2107                 // We're leaving an inset, going left. If the inset is LTR, we're
2108                 // leaving from the front, so we should not move (remain at --- but
2109                 // not in --- the inset). If the inset is RTL, move left, without
2110                 // entering the inset itself; i.e., move to after the inset.
2111                 if (cur.paragraph().getFontSettings(
2112                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
2113                         cursorVisLeft(cur, true);
2114                 break;
2115
2116         case LFUN_FINISHED_RIGHT:
2117                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
2118                 // We're leaving an inset, going right. If the inset is RTL, we're
2119                 // leaving from the front, so we should not move (remain at --- but
2120                 // not in --- the inset). If the inset is LTR, move right, without
2121                 // entering the inset itself; i.e., move to after the inset.
2122                 if (!cur.paragraph().getFontSettings(
2123                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
2124                         cursorVisRight(cur, true);
2125                 break;
2126
2127         case LFUN_FINISHED_BACKWARD:
2128                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
2129                 break;
2130
2131         case LFUN_FINISHED_FORWARD:
2132                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
2133                 ++cur.pos();
2134                 cur.setCurrentFont();
2135                 break;
2136
2137         case LFUN_LAYOUT_PARAGRAPH: {
2138                 string data;
2139                 params2string(cur.paragraph(), data);
2140                 data = "show\n" + data;
2141                 bv->showDialog("paragraph", data);
2142                 break;
2143         }
2144
2145         case LFUN_PARAGRAPH_UPDATE: {
2146                 string data;
2147                 params2string(cur.paragraph(), data);
2148
2149                 // Will the paragraph accept changes from the dialog?
2150                 bool const accept =
2151                         cur.inset().allowParagraphCustomization(cur.idx());
2152
2153                 data = "update " + convert<string>(accept) + '\n' + data;
2154                 bv->updateDialog("paragraph", data);
2155                 break;
2156         }
2157
2158         case LFUN_ACCENT_UMLAUT:
2159         case LFUN_ACCENT_CIRCUMFLEX:
2160         case LFUN_ACCENT_GRAVE:
2161         case LFUN_ACCENT_ACUTE:
2162         case LFUN_ACCENT_TILDE:
2163         case LFUN_ACCENT_CEDILLA:
2164         case LFUN_ACCENT_MACRON:
2165         case LFUN_ACCENT_DOT:
2166         case LFUN_ACCENT_UNDERDOT:
2167         case LFUN_ACCENT_UNDERBAR:
2168         case LFUN_ACCENT_CARON:
2169         case LFUN_ACCENT_BREVE:
2170         case LFUN_ACCENT_TIE:
2171         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2172         case LFUN_ACCENT_CIRCLE:
2173         case LFUN_ACCENT_OGONEK:
2174                 theApp()->handleKeyFunc(cmd.action());
2175                 if (!cmd.argument().empty())
2176                         // FIXME: Are all these characters encoded in one byte in utf8?
2177                         bv->translateAndInsert(cmd.argument()[0], this, cur);
2178                 cur.screenUpdateFlags(Update::FitCursor);
2179                 break;
2180
2181         case LFUN_FLOAT_LIST_INSERT: {
2182                 DocumentClass const & tclass = bv->buffer().params().documentClass();
2183                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
2184                         cur.recordUndo();
2185                         if (cur.selection())
2186                                 cutSelection(cur, true, false);
2187                         breakParagraph(cur);
2188
2189                         if (cur.lastpos() != 0) {
2190                                 cursorBackward(cur);
2191                                 breakParagraph(cur);
2192                         }
2193
2194                         docstring const laystr = cur.inset().usePlainLayout() ?
2195                                 tclass.plainLayoutName() :
2196                                 tclass.defaultLayoutName();
2197                         setLayout(cur, laystr);
2198                         ParagraphParameters p;
2199                         // FIXME If this call were replaced with one to clearParagraphParams(),
2200                         // then we could get rid of this method altogether.
2201                         setParagraphs(cur, p);
2202                         // FIXME This should be simplified when InsetFloatList takes a
2203                         // Buffer in its constructor.
2204                         InsetFloatList * ifl = new InsetFloatList(cur.buffer(), to_utf8(cmd.argument()));
2205                         ifl->setBuffer(bv->buffer());
2206                         insertInset(cur, ifl);
2207                         cur.posForward();
2208                 } else {
2209                         lyxerr << "Non-existent float type: "
2210                                << to_utf8(cmd.argument()) << endl;
2211                 }
2212                 break;
2213         }
2214
2215         case LFUN_CHANGE_ACCEPT: {
2216                 acceptOrRejectChanges(cur, ACCEPT);
2217                 break;
2218         }
2219
2220         case LFUN_CHANGE_REJECT: {
2221                 acceptOrRejectChanges(cur, REJECT);
2222                 break;
2223         }
2224
2225         case LFUN_THESAURUS_ENTRY: {
2226                 docstring arg = cmd.argument();
2227                 if (arg.empty()) {
2228                         arg = cur.selectionAsString(false);
2229                         // FIXME
2230                         if (arg.size() > 100 || arg.empty()) {
2231                                 // Get word or selection
2232                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2233                                 arg = cur.selectionAsString(false);
2234                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
2235                         }
2236                 }
2237                 bv->showDialog("thesaurus", to_utf8(arg));
2238                 break;
2239         }
2240
2241         case LFUN_SPELLING_ADD: {
2242                 docstring word = from_utf8(cmd.getArg(0));
2243                 Language * lang;
2244                 if (word.empty()) {
2245                         word = cur.selectionAsString(false);
2246                         // FIXME
2247                         if (word.size() > 100 || word.empty()) {
2248                                 // Get word or selection
2249                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2250                                 word = cur.selectionAsString(false);
2251                         }
2252                         lang = const_cast<Language *>(cur.getFont().language());
2253                 } else
2254                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2255                 WordLangTuple wl(word, lang);
2256                 theSpellChecker()->insert(wl);
2257                 break;
2258         }
2259
2260         case LFUN_SPELLING_IGNORE: {
2261                 docstring word = from_utf8(cmd.getArg(0));
2262                 Language * lang;
2263                 if (word.empty()) {
2264                         word = cur.selectionAsString(false);
2265                         // FIXME
2266                         if (word.size() > 100 || word.empty()) {
2267                                 // Get word or selection
2268                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2269                                 word = cur.selectionAsString(false);
2270                         }
2271                         lang = const_cast<Language *>(cur.getFont().language());
2272                 } else
2273                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2274                 WordLangTuple wl(word, lang);
2275                 theSpellChecker()->accept(wl);
2276                 break;
2277         }
2278
2279         case LFUN_SPELLING_REMOVE: {
2280                 docstring word = from_utf8(cmd.getArg(0));
2281                 Language * lang;
2282                 if (word.empty()) {
2283                         word = cur.selectionAsString(false);
2284                         // FIXME
2285                         if (word.size() > 100 || word.empty()) {
2286                                 // Get word or selection
2287                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2288                                 word = cur.selectionAsString(false);
2289                         }
2290                         lang = const_cast<Language *>(cur.getFont().language());
2291                 } else
2292                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2293                 WordLangTuple wl(word, lang);
2294                 theSpellChecker()->remove(wl);
2295                 break;
2296         }
2297
2298         case LFUN_PARAGRAPH_PARAMS_APPLY: {
2299                 // Given data, an encoding of the ParagraphParameters
2300                 // generated in the Paragraph dialog, this function sets
2301                 // the current paragraph, or currently selected paragraphs,
2302                 // appropriately.
2303                 // NOTE: This function overrides all existing settings.
2304                 setParagraphs(cur, cmd.argument());
2305                 cur.message(_("Paragraph layout set"));
2306                 break;
2307         }
2308
2309         case LFUN_PARAGRAPH_PARAMS: {
2310                 // Given data, an encoding of the ParagraphParameters as we'd
2311                 // find them in a LyX file, this function modifies the current paragraph,
2312                 // or currently selected paragraphs.
2313                 // NOTE: This function only modifies, and does not override, existing
2314                 // settings.
2315                 setParagraphs(cur, cmd.argument(), true);
2316                 cur.message(_("Paragraph layout set"));
2317                 break;
2318         }
2319
2320         case LFUN_ESCAPE:
2321                 if (cur.selection()) {
2322                         cur.setSelection(false);
2323                 } else {
2324                         cur.undispatched();
2325                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
2326                         // correct, but I'm not 100% sure -- dov, 071019
2327                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
2328                 }
2329                 break;
2330
2331         case LFUN_OUTLINE_UP:
2332                 outline(OutlineUp, cur);
2333                 setCursor(cur, cur.pit(), 0);
2334                 cur.forceBufferUpdate();
2335                 needsUpdate = true;
2336                 break;
2337
2338         case LFUN_OUTLINE_DOWN:
2339                 outline(OutlineDown, cur);
2340                 setCursor(cur, cur.pit(), 0);
2341                 cur.forceBufferUpdate();
2342                 needsUpdate = true;
2343                 break;
2344
2345         case LFUN_OUTLINE_IN:
2346                 outline(OutlineIn, cur);
2347                 cur.forceBufferUpdate();
2348                 needsUpdate = true;
2349                 break;
2350
2351         case LFUN_OUTLINE_OUT:
2352                 outline(OutlineOut, cur);
2353                 cur.forceBufferUpdate();
2354                 needsUpdate = true;
2355                 break;
2356
2357         default:
2358                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2359                 cur.undispatched();
2360                 break;
2361         }
2362
2363         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2364
2365         if (lyxrc.spellcheck_continuously && !needsUpdate) {
2366                 // Check for misspelled text
2367                 // The redraw is useful because of the painting of
2368                 // misspelled markers depends on the cursor position.
2369                 // Trigger a redraw for cursor moves inside misspelled text.
2370                 if (!cur.inTexted()) {
2371                         // move from regular text to math
2372                         needsUpdate = last_misspelled;
2373                 } else if (oldTopSlice != cur.top() || oldBoundary != cur.boundary()) {
2374                         // move inside regular text
2375                         needsUpdate = last_misspelled
2376                                 || cur.paragraph().isMisspelled(cur.pos(), true);
2377                 }
2378         }
2379
2380         // FIXME: The cursor flag is reset two lines below
2381         // so we need to check here if some of the LFUN did touch that.
2382         // for now only Text::erase() and Text::backspace() do that.
2383         // The plan is to verify all the LFUNs and then to remove this
2384         // singleParUpdate boolean altogether.
2385         if (cur.result().screenUpdate() & Update::Force) {
2386                 singleParUpdate = false;
2387                 needsUpdate = true;
2388         }
2389
2390         // FIXME: the following code should go in favor of fine grained
2391         // update flag treatment.
2392         if (singleParUpdate) {
2393                 // Inserting characters does not change par height in general. So, try
2394                 // to update _only_ this paragraph. BufferView will detect if a full
2395                 // metrics update is needed anyway.
2396                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
2397                 return;
2398         }
2399         if (!needsUpdate
2400             && &oldTopSlice.inset() == &cur.inset()
2401             && oldTopSlice.idx() == cur.idx()
2402             && !oldSelection // oldSelection is a backup of cur.selection() at the beginning of the function.
2403             && !cur.selection())
2404                 // FIXME: it would be better if we could just do this
2405                 //
2406                 //if (cur.result().update() != Update::FitCursor)
2407                 //      cur.noScreenUpdate();
2408                 //
2409                 // But some LFUNs do not set Update::FitCursor when needed, so we
2410                 // do it for all. This is not very harmfull as FitCursor will provoke
2411                 // a full redraw only if needed but still, a proper review of all LFUN
2412                 // should be done and this needsUpdate boolean can then be removed.
2413                 cur.screenUpdateFlags(Update::FitCursor);
2414         else
2415                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
2416 }
2417
2418
2419 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2420                         FuncStatus & flag) const
2421 {
2422         LBUFERR(this == cur.text());
2423
2424         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2425         bool enable = true;
2426         bool allow_in_passthru = false;
2427         InsetCode code = NO_CODE;
2428
2429         switch (cmd.action()) {
2430
2431         case LFUN_DEPTH_DECREMENT:
2432                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2433                 break;
2434
2435         case LFUN_DEPTH_INCREMENT:
2436                 enable = changeDepthAllowed(cur, INC_DEPTH);
2437                 break;
2438
2439         case LFUN_APPENDIX:
2440                 // FIXME We really should not allow this to be put, e.g.,
2441                 // in a footnote, or in ERT. But it would make sense in a
2442                 // branch, so I'm not sure what to do.
2443                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2444                 break;
2445
2446         case LFUN_DIALOG_SHOW_NEW_INSET:
2447                 if (cmd.argument() == "bibitem")
2448                         code = BIBITEM_CODE;
2449                 else if (cmd.argument() == "bibtex") {
2450                         code = BIBTEX_CODE;
2451                         // not allowed in description items
2452                         enable = !inDescriptionItem(cur);
2453                 }
2454                 else if (cmd.argument() == "box")
2455                         code = BOX_CODE;
2456                 else if (cmd.argument() == "branch")
2457                         code = BRANCH_CODE;
2458                 else if (cmd.argument() == "citation")
2459                         code = CITE_CODE;
2460                 else if (cmd.argument() == "ert")
2461                         code = ERT_CODE;
2462                 else if (cmd.argument() == "external")
2463                         code = EXTERNAL_CODE;
2464                 else if (cmd.argument() == "float")
2465                         code = FLOAT_CODE;
2466                 else if (cmd.argument() == "graphics")
2467                         code = GRAPHICS_CODE;
2468                 else if (cmd.argument() == "href")
2469                         code = HYPERLINK_CODE;
2470                 else if (cmd.argument() == "include")
2471                         code = INCLUDE_CODE;
2472                 else if (cmd.argument() == "index")
2473                         code = INDEX_CODE;
2474                 else if (cmd.argument() == "index_print")
2475                         code = INDEX_PRINT_CODE;
2476                 else if (cmd.argument() == "listings")
2477                         code = LISTINGS_CODE;
2478                 else if (cmd.argument() == "mathspace")
2479                         code = MATH_HULL_CODE;
2480                 else if (cmd.argument() == "nomenclature")
2481                         code = NOMENCL_CODE;
2482                 else if (cmd.argument() == "nomencl_print")
2483                         code = NOMENCL_PRINT_CODE;
2484                 else if (cmd.argument() == "label")
2485                         code = LABEL_CODE;
2486                 else if (cmd.argument() == "line")
2487                         code = LINE_CODE;
2488                 else if (cmd.argument() == "note")
2489                         code = NOTE_CODE;
2490                 else if (cmd.argument() == "phantom")
2491                         code = PHANTOM_CODE;
2492                 else if (cmd.argument() == "ref")
2493                         code = REF_CODE;
2494                 else if (cmd.argument() == "space")
2495                         code = SPACE_CODE;
2496                 else if (cmd.argument() == "toc")
2497                         code = TOC_CODE;
2498                 else if (cmd.argument() == "vspace")
2499                         code = VSPACE_CODE;
2500                 else if (cmd.argument() == "wrap")
2501                         code = WRAP_CODE;
2502                 break;
2503
2504         case LFUN_ERT_INSERT:
2505                 code = ERT_CODE;
2506                 break;
2507         case LFUN_LISTING_INSERT:
2508                 code = LISTINGS_CODE;
2509                 // not allowed in description items
2510                 enable = !inDescriptionItem(cur);
2511                 break;
2512         case LFUN_FOOTNOTE_INSERT:
2513                 code = FOOT_CODE;
2514                 break;
2515         case LFUN_TABULAR_INSERT:
2516                 code = TABULAR_CODE;
2517                 break;
2518         case LFUN_MARGINALNOTE_INSERT:
2519                 code = MARGIN_CODE;
2520                 break;
2521         case LFUN_FLOAT_INSERT:
2522         case LFUN_FLOAT_WIDE_INSERT:
2523                 // FIXME: If there is a selection, we should check whether there
2524                 // are floats in the selection, but this has performance issues, see
2525                 // LFUN_CHANGE_ACCEPT/REJECT.
2526                 code = FLOAT_CODE;
2527                 if (inDescriptionItem(cur))
2528                         // not allowed in description items
2529                         enable = false;
2530                 else {
2531                         InsetCode const inset_code = cur.inset().lyxCode();
2532
2533                         // algorithm floats cannot be put in another float
2534                         if (to_utf8(cmd.argument()) == "algorithm") {
2535                                 enable = inset_code != WRAP_CODE && inset_code != FLOAT_CODE;
2536                                 break;
2537                         }
2538
2539                         // for figures and tables: only allow in another
2540                         // float or wrap if it is of the same type and
2541                         // not a subfloat already
2542                         if(cur.inset().lyxCode() == code) {
2543                                 InsetFloat const & ins =
2544                                         static_cast<InsetFloat const &>(cur.inset());
2545                                 enable = ins.params().type == to_utf8(cmd.argument())
2546                                         && !ins.params().subfloat;
2547                         } else if(cur.inset().lyxCode() == WRAP_CODE) {
2548                                 InsetWrap const & ins =
2549                                         static_cast<InsetWrap const &>(cur.inset());
2550                                 enable = ins.params().type == to_utf8(cmd.argument());
2551                         }
2552                 }
2553                 break;
2554         case LFUN_WRAP_INSERT:
2555                 code = WRAP_CODE;
2556                 // not allowed in description items
2557                 enable = !inDescriptionItem(cur);
2558                 break;
2559         case LFUN_FLOAT_LIST_INSERT: {
2560                 code = FLOAT_LIST_CODE;
2561                 // not allowed in description items
2562                 enable = !inDescriptionItem(cur);
2563                 if (enable) {
2564                         FloatList const & floats = cur.buffer()->params().documentClass().floats();
2565                         FloatList::const_iterator cit = floats[to_ascii(cmd.argument())];
2566                         // make sure we know about such floats
2567                         if (cit == floats.end() ||
2568                                         // and that we know how to generate a list of them
2569                             (!cit->second.usesFloatPkg() && cit->second.listCommand().empty())) {
2570                                 flag.setUnknown(true);
2571                                 // probably not necessary, but...
2572                                 enable = false;
2573                         }
2574                 }
2575                 break;
2576         }
2577         case LFUN_CAPTION_INSERT: {
2578                 code = CAPTION_CODE;
2579                 string arg = cmd.getArg(0);
2580                 bool varia = arg != "LongTableNoNumber";
2581                 if (cur.depth() > 0) {
2582                         if (&cur[cur.depth() - 1].inset())
2583                                 varia = cur[cur.depth() - 1].inset().allowsCaptionVariation(arg);
2584                 }
2585                 // not allowed in description items,
2586                 // and in specific insets
2587                 enable = !inDescriptionItem(cur)
2588                         && (varia || arg.empty() || arg == "Standard");
2589                 break;
2590         }
2591         case LFUN_NOTE_INSERT:
2592                 code = NOTE_CODE;
2593                 // in commands (sections etc.) and description items,
2594                 // only Notes are allowed
2595                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2596                           (!cur.paragraph().layout().isCommand()
2597                            && !inDescriptionItem(cur)));
2598                 break;
2599         case LFUN_FLEX_INSERT: {
2600                 code = FLEX_CODE;
2601                 string s = cmd.getArg(0);
2602                 InsetLayout il =
2603                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2604                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2605                     il.lyxtype() != InsetLayout::CUSTOM &&
2606                     il.lyxtype() != InsetLayout::ELEMENT &&
2607                     il.lyxtype ()!= InsetLayout::STANDARD)
2608                         enable = false;
2609                 break;
2610                 }
2611         case LFUN_BOX_INSERT:
2612                 code = BOX_CODE;
2613                 break;
2614         case LFUN_BRANCH_INSERT:
2615                 code = BRANCH_CODE;
2616                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2617                     && cur.buffer()->params().branchlist().empty())
2618                         enable = false;
2619                 break;
2620         case LFUN_IPA_INSERT:
2621                 code = IPA_CODE;
2622                 break;
2623         case LFUN_PHANTOM_INSERT:
2624                 code = PHANTOM_CODE;
2625                 break;
2626         case LFUN_LABEL_INSERT:
2627                 code = LABEL_CODE;
2628                 break;
2629         case LFUN_INFO_INSERT:
2630                 code = INFO_CODE;
2631                 break;
2632         case LFUN_ARGUMENT_INSERT: {
2633                 code = ARG_CODE;
2634                 allow_in_passthru = true;
2635                 string const arg = cmd.getArg(0);
2636                 if (arg.empty()) {
2637                         enable = false;
2638                         break;
2639                 }
2640                 Layout const & lay = cur.paragraph().layout();
2641                 Layout::LaTeXArgMap args = lay.args();
2642                 Layout::LaTeXArgMap::const_iterator const lait =
2643                                 args.find(arg);
2644                 if (lait != args.end()) {
2645                         enable = true;
2646                         pit_type pit = cur.pit();
2647                         pit_type lastpit = cur.pit();
2648                         if (lay.isEnvironment() && !prefixIs(arg, "item:")) {
2649                                 // In a sequence of "merged" environment layouts, we only allow
2650                                 // non-item arguments once.
2651                                 lastpit = cur.lastpit();
2652                                 // get the first paragraph in sequence with this layout
2653                                 depth_type const current_depth = cur.paragraph().params().depth();
2654                                 while (true) {
2655                                         if (pit == 0)
2656                                                 break;
2657                                         Paragraph cpar = pars_[pit - 1];
2658                                         if (cpar.layout() == lay && cpar.params().depth() == current_depth)
2659                                                 --pit;
2660                                         else
2661                                                 break;
2662                                 }
2663                         }
2664                         for (; pit <= lastpit; ++pit) {
2665                                 if (pars_[pit].layout() != lay)
2666                                         break;
2667                                 InsetList::const_iterator it = pars_[pit].insetList().begin();
2668                                 InsetList::const_iterator end = pars_[pit].insetList().end();
2669                                 for (; it != end; ++it) {
2670                                         if (it->inset->lyxCode() == ARG_CODE) {
2671                                                 InsetArgument const * ins =
2672                                                         static_cast<InsetArgument const *>(it->inset);
2673                                                 if (ins->name() == arg) {
2674                                                         // we have this already
2675                                                         enable = false;
2676                                                         break;
2677                                                 }
2678                                         }
2679                                 }
2680                         }
2681                 } else
2682                         enable = false;
2683                 break;
2684         }
2685         case LFUN_INDEX_INSERT:
2686                 code = INDEX_CODE;
2687                 break;
2688         case LFUN_INDEX_PRINT:
2689                 code = INDEX_PRINT_CODE;
2690                 // not allowed in description items
2691                 enable = !inDescriptionItem(cur);
2692                 break;
2693         case LFUN_NOMENCL_INSERT:
2694                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2695                         enable = false;
2696                         break;
2697                 }
2698                 code = NOMENCL_CODE;
2699                 break;
2700         case LFUN_NOMENCL_PRINT:
2701                 code = NOMENCL_PRINT_CODE;
2702                 // not allowed in description items
2703                 enable = !inDescriptionItem(cur);
2704                 break;
2705         case LFUN_HREF_INSERT:
2706                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2707                         enable = false;
2708                         break;
2709                 }
2710                 code = HYPERLINK_CODE;
2711                 break;
2712         case LFUN_IPAMACRO_INSERT: {
2713                 string const arg = cmd.getArg(0);
2714                 if (arg == "deco")
2715                         code = IPADECO_CODE;
2716                 else
2717                         code = IPACHAR_CODE;
2718                 break;
2719         }
2720         case LFUN_QUOTE_INSERT:
2721                 // always allow this, since we will inset a raw quote
2722                 // if an inset is not allowed.
2723                 break;
2724         case LFUN_SPECIALCHAR_INSERT:
2725                 code = SPECIALCHAR_CODE;
2726                 break;
2727         case LFUN_SPACE_INSERT:
2728                 // slight hack: we know this is allowed in math mode
2729                 if (cur.inTexted())
2730                         code = SPACE_CODE;
2731                 break;
2732         case LFUN_PREVIEW_INSERT:
2733                 code = PREVIEW_CODE;
2734                 break;
2735         case LFUN_SCRIPT_INSERT:
2736                 code = SCRIPT_CODE;
2737                 break;
2738
2739         case LFUN_MATH_INSERT:
2740         case LFUN_MATH_AMS_MATRIX:
2741         case LFUN_MATH_MATRIX:
2742         case LFUN_MATH_DELIM:
2743         case LFUN_MATH_BIGDELIM:
2744         case LFUN_MATH_DISPLAY:
2745         case LFUN_MATH_MODE:
2746         case LFUN_MATH_MACRO:
2747         case LFUN_MATH_SUBSCRIPT:
2748         case LFUN_MATH_SUPERSCRIPT:
2749                 code = MATH_HULL_CODE;
2750                 break;
2751
2752         case LFUN_REGEXP_MODE:
2753                 code = MATH_HULL_CODE;
2754                 enable = cur.buffer()->isInternal() && !cur.inRegexped();
2755                 break;
2756
2757         case LFUN_INSET_MODIFY:
2758                 // We need to disable this, because we may get called for a
2759                 // tabular cell via
2760                 // InsetTabular::getStatus() -> InsetText::getStatus()
2761                 // and we don't handle LFUN_INSET_MODIFY.
2762                 enable = false;
2763                 break;
2764
2765         case LFUN_FONT_EMPH:
2766                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2767                 enable = !cur.paragraph().isPassThru();
2768                 break;
2769
2770         case LFUN_FONT_ITAL:
2771                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2772                 enable = !cur.paragraph().isPassThru();
2773                 break;
2774
2775         case LFUN_FONT_NOUN:
2776                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2777                 enable = !cur.paragraph().isPassThru();
2778                 break;
2779
2780         case LFUN_FONT_BOLD:
2781         case LFUN_FONT_BOLDSYMBOL:
2782                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2783                 enable = !cur.paragraph().isPassThru();
2784                 break;
2785
2786         case LFUN_FONT_SANS:
2787                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2788                 enable = !cur.paragraph().isPassThru();
2789                 break;
2790
2791         case LFUN_FONT_ROMAN:
2792                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2793                 enable = !cur.paragraph().isPassThru();
2794                 break;
2795
2796         case LFUN_FONT_TYPEWRITER:
2797                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2798                 enable = !cur.paragraph().isPassThru();
2799                 break;
2800
2801         case LFUN_CUT:
2802         case LFUN_COPY:
2803                 enable = cur.selection();
2804                 break;
2805
2806         case LFUN_PASTE: {
2807                 if (cmd.argument().empty()) {
2808                         if (theClipboard().isInternal())
2809                                 enable = cap::numberOfSelections() > 0;
2810                         else
2811                                 enable = !theClipboard().empty();
2812                         break;
2813                 }
2814
2815                 // we have an argument
2816                 string const arg = to_utf8(cmd.argument());
2817                 if (isStrUnsignedInt(arg)) {
2818                         // it's a number and therefore means the internal stack
2819                         unsigned int n = convert<unsigned int>(arg);
2820                         enable = cap::numberOfSelections() > n;
2821                         break;
2822                 }
2823
2824                 // explicit text type?
2825                 if (arg == "html") {
2826                         // Do not enable for PlainTextType, since some tidying in the
2827                         // frontend is needed for HTML, which is too unsafe for plain text.
2828                         enable = theClipboard().hasTextContents(Clipboard::HtmlTextType);
2829                         break;
2830                 } else if (arg == "latex") {
2831                         // LaTeX is usually not available on the clipboard with
2832                         // the correct MIME type, but in plain text.
2833                         enable = theClipboard().hasTextContents(Clipboard::PlainTextType) ||
2834                                  theClipboard().hasTextContents(Clipboard::LaTeXTextType);
2835                         break;
2836                 }
2837
2838                 // explicit graphics type?
2839                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2840                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2841                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2842                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2843                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2844                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2845                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2846                         enable = theClipboard().hasGraphicsContents(type);
2847                         break;
2848                 }
2849
2850                 // unknown argument
2851                 enable = false;
2852                 break;
2853          }
2854
2855         case LFUN_CLIPBOARD_PASTE:
2856         case LFUN_CLIPBOARD_PASTE_SIMPLE:
2857                 enable = !theClipboard().empty();
2858                 break;
2859
2860         case LFUN_PRIMARY_SELECTION_PASTE:
2861                 enable = cur.selection() || !theSelection().empty();
2862                 break;
2863
2864         case LFUN_SELECTION_PASTE:
2865                 enable = cap::selection();
2866                 break;
2867
2868         case LFUN_PARAGRAPH_MOVE_UP:
2869                 enable = cur.pit() > 0 && !cur.selection();
2870                 break;
2871
2872         case LFUN_PARAGRAPH_MOVE_DOWN:
2873                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2874                 break;
2875
2876         case LFUN_CHANGE_ACCEPT:
2877         case LFUN_CHANGE_REJECT:
2878                 // In principle, these LFUNs should only be enabled if there
2879                 // is a change at the current position/in the current selection.
2880                 // However, without proper optimizations, this will inevitably
2881                 // result in unacceptable performance - just imagine a user who
2882                 // wants to select the complete content of a long document.
2883                 if (!cur.selection())
2884                         enable = cur.paragraph().isChanged(cur.pos());
2885                 else
2886                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2887                         // for selections.
2888                         enable = true;
2889                 break;
2890
2891         case LFUN_OUTLINE_UP:
2892         case LFUN_OUTLINE_DOWN:
2893         case LFUN_OUTLINE_IN:
2894         case LFUN_OUTLINE_OUT:
2895                 // FIXME: LyX is not ready for outlining within inset.
2896                 enable = isMainText()
2897                         && cur.buffer()->text().getTocLevel(cur.pit()) != Layout::NOT_IN_TOC;
2898                 break;
2899
2900         case LFUN_NEWLINE_INSERT:
2901                 // LaTeX restrictions (labels or empty par)
2902                 enable = !cur.paragraph().isPassThru()
2903                         && cur.pos() > cur.paragraph().beginOfBody();
2904                 break;
2905
2906         case LFUN_TAB_INSERT:
2907         case LFUN_TAB_DELETE:
2908                 enable = cur.paragraph().isPassThru();
2909                 break;
2910
2911         case LFUN_SET_GRAPHICS_GROUP: {
2912                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2913                 if (!ins)
2914                         enable = false;
2915                 else
2916                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2917                 break;
2918         }
2919
2920         case LFUN_NEWPAGE_INSERT:
2921                 // not allowed in description items
2922                 code = NEWPAGE_CODE;
2923                 enable = !inDescriptionItem(cur);
2924                 break;
2925
2926         case LFUN_DATE_INSERT: {
2927                 string const format = cmd.argument().empty()
2928                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2929                 enable = support::os::is_valid_strftime(format);
2930                 break;
2931         }
2932
2933         case LFUN_LANGUAGE:
2934                 enable = !cur.paragraph().isPassThru();
2935                 flag.setOnOff(cmd.getArg(0) == cur.real_current_font.language()->lang());
2936                 break;
2937
2938         case LFUN_PARAGRAPH_BREAK:
2939                 enable = cur.inset().getLayout().isMultiPar();
2940                 break;
2941
2942         case LFUN_SPELLING_ADD:
2943         case LFUN_SPELLING_IGNORE:
2944         case LFUN_SPELLING_REMOVE:
2945                 enable = theSpellChecker();
2946                 break;
2947
2948         case LFUN_LAYOUT:
2949                 enable = !cur.inset().forcePlainLayout();
2950                 break;
2951
2952         case LFUN_ENVIRONMENT_SPLIT: {
2953                 if (!cur.buffer()->params().documentClass().hasLayout(from_ascii("Separator"))) {
2954                         enable = false;
2955                         break;
2956                 }
2957                 if (cmd.argument() == "outer") {
2958                         // check if we have an environment in our nesting hierarchy
2959                         bool res = false;
2960                         depth_type const current_depth = cur.paragraph().params().depth();
2961                         pit_type pit = cur.pit();
2962                         Paragraph cpar = pars_[pit];
2963                         while (true) {
2964                                 if (pit == 0 || cpar.params().depth() == 0)
2965                                         break;
2966                                 --pit;
2967                                 cpar = pars_[pit];
2968                                 if (cpar.params().depth() < current_depth)
2969                                         res = cpar.layout().isEnvironment();
2970                         }
2971                         enable = res;
2972                         break;
2973                 }
2974                 else if (cur.paragraph().layout().isEnvironment()) {
2975                         enable = true;
2976                         break;
2977                 }
2978                 enable = false;
2979                 break;
2980         }
2981
2982         case LFUN_LAYOUT_PARAGRAPH:
2983         case LFUN_PARAGRAPH_PARAMS:
2984         case LFUN_PARAGRAPH_PARAMS_APPLY:
2985         case LFUN_PARAGRAPH_UPDATE:
2986                 enable = cur.inset().allowParagraphCustomization();
2987                 break;
2988
2989         // FIXME: why are accent lfuns forbidden with pass_thru layouts?
2990         case LFUN_ACCENT_ACUTE:
2991         case LFUN_ACCENT_BREVE:
2992         case LFUN_ACCENT_CARON:
2993         case LFUN_ACCENT_CEDILLA:
2994         case LFUN_ACCENT_CIRCLE:
2995         case LFUN_ACCENT_CIRCUMFLEX:
2996         case LFUN_ACCENT_DOT:
2997         case LFUN_ACCENT_GRAVE:
2998         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2999         case LFUN_ACCENT_MACRON:
3000         case LFUN_ACCENT_OGONEK:
3001         case LFUN_ACCENT_TIE:
3002         case LFUN_ACCENT_TILDE:
3003         case LFUN_ACCENT_UMLAUT:
3004         case LFUN_ACCENT_UNDERBAR:
3005         case LFUN_ACCENT_UNDERDOT:
3006         case LFUN_FONT_DEFAULT:
3007         case LFUN_FONT_FRAK:
3008         case LFUN_FONT_SIZE:
3009         case LFUN_FONT_STATE:
3010         case LFUN_FONT_UNDERLINE:
3011         case LFUN_FONT_STRIKEOUT:
3012         case LFUN_FONT_UNDERUNDERLINE:
3013         case LFUN_FONT_UNDERWAVE:
3014         case LFUN_TEXTSTYLE_APPLY:
3015         case LFUN_TEXTSTYLE_UPDATE:
3016                 enable = !cur.paragraph().isPassThru();
3017                 break;
3018
3019         case LFUN_WORD_DELETE_FORWARD:
3020         case LFUN_WORD_DELETE_BACKWARD:
3021         case LFUN_LINE_DELETE_FORWARD:
3022         case LFUN_WORD_FORWARD:
3023         case LFUN_WORD_BACKWARD:
3024         case LFUN_WORD_RIGHT:
3025         case LFUN_WORD_LEFT:
3026         case LFUN_CHAR_FORWARD:
3027         case LFUN_CHAR_FORWARD_SELECT:
3028         case LFUN_CHAR_BACKWARD:
3029         case LFUN_CHAR_BACKWARD_SELECT:
3030         case LFUN_CHAR_LEFT:
3031         case LFUN_CHAR_LEFT_SELECT:
3032         case LFUN_CHAR_RIGHT:
3033         case LFUN_CHAR_RIGHT_SELECT:
3034         case LFUN_UP:
3035         case LFUN_UP_SELECT:
3036         case LFUN_DOWN:
3037         case LFUN_DOWN_SELECT:
3038         case LFUN_PARAGRAPH_UP_SELECT:
3039         case LFUN_PARAGRAPH_DOWN_SELECT:
3040         case LFUN_LINE_BEGIN_SELECT:
3041         case LFUN_LINE_END_SELECT:
3042         case LFUN_WORD_FORWARD_SELECT:
3043         case LFUN_WORD_BACKWARD_SELECT:
3044         case LFUN_WORD_RIGHT_SELECT:
3045         case LFUN_WORD_LEFT_SELECT:
3046         case LFUN_WORD_SELECT:
3047         case LFUN_SECTION_SELECT:
3048         case LFUN_BUFFER_BEGIN:
3049         case LFUN_BUFFER_END:
3050         case LFUN_BUFFER_BEGIN_SELECT:
3051         case LFUN_BUFFER_END_SELECT:
3052         case LFUN_INSET_BEGIN:
3053         case LFUN_INSET_END:
3054         case LFUN_INSET_BEGIN_SELECT:
3055         case LFUN_INSET_END_SELECT:
3056         case LFUN_INSET_SELECT_ALL:
3057         case LFUN_PARAGRAPH_UP:
3058         case LFUN_PARAGRAPH_DOWN:
3059         case LFUN_LINE_BEGIN:
3060         case LFUN_LINE_END:
3061         case LFUN_CHAR_DELETE_FORWARD:
3062         case LFUN_CHAR_DELETE_BACKWARD:
3063         case LFUN_WORD_UPCASE:
3064         case LFUN_WORD_LOWCASE:
3065         case LFUN_WORD_CAPITALIZE:
3066         case LFUN_CHARS_TRANSPOSE:
3067         case LFUN_SERVER_GET_XY:
3068         case LFUN_SERVER_SET_XY:
3069         case LFUN_SERVER_GET_LAYOUT:
3070         case LFUN_SELF_INSERT:
3071         case LFUN_UNICODE_INSERT:
3072         case LFUN_THESAURUS_ENTRY:
3073         case LFUN_ESCAPE:
3074                 // these are handled in our dispatch()
3075                 enable = true;
3076                 break;
3077
3078         case LFUN_INSET_INSERT: {
3079                 string const type = cmd.getArg(0);
3080                 if (type == "toc") {
3081                         code = TOC_CODE;
3082                         // not allowed in description items
3083                         //FIXME: couldn't this be merged in Inset::insetAllowed()?
3084                         enable = !inDescriptionItem(cur);
3085                 } else {
3086                         enable = true;
3087                 }
3088                 break;
3089         }
3090
3091         default:
3092                 return false;
3093         }
3094
3095         if (code != NO_CODE
3096             && (cur.empty()
3097                 || !cur.inset().insetAllowed(code)
3098                 || (cur.paragraph().layout().pass_thru && !allow_in_passthru)))
3099                 enable = false;
3100
3101         flag.setEnabled(enable);
3102         return true;
3103 }
3104
3105
3106 void Text::pasteString(Cursor & cur, docstring const & clip,
3107                 bool asParagraphs)
3108 {
3109         if (!clip.empty()) {
3110                 cur.recordUndo();
3111                 if (asParagraphs)
3112                         insertStringAsParagraphs(cur, clip, cur.current_font);
3113                 else
3114                         insertStringAsLines(cur, clip, cur.current_font);
3115         }
3116 }
3117
3118
3119 // FIXME: an item inset would make things much easier.
3120 bool Text::inDescriptionItem(Cursor & cur) const
3121 {
3122         Paragraph & par = cur.paragraph();
3123         pos_type const pos = cur.pos();
3124         pos_type const body_pos = par.beginOfBody();
3125
3126         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
3127             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
3128                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
3129                 return false;
3130
3131         return (pos < body_pos
3132                 || (pos == body_pos
3133                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
3134 }
3135
3136 } // namespace lyx