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