src/Text3.cpp

   1 /**
   2  * \file Text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Changes.h"
  29 #include "Cursor.h"
  30 #include "CutAndPaste.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "InsetList.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyX.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "ParagraphParameters.h"
  45 #include "SpellChecker.h"
  46 #include "TextClass.h"
  47 #include "TextMetrics.h"
  48 #include "WordLangTuple.h"
  49
  50 #include "frontends/Application.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/InsetArgument.h"
  55 #include "insets/InsetCollapsable.h"
  56 #include "insets/InsetCommand.h"
  57 #include "insets/InsetExternal.h"
  58 #include "insets/InsetFloat.h"
  59 #include "insets/InsetFloatList.h"
  60 #include "insets/InsetGraphics.h"
  61 #include "insets/InsetGraphicsParams.h"
  62 #include "insets/InsetIPAMacro.h"
  63 #include "insets/InsetNewline.h"
  64 #include "insets/InsetQuotes.h"
  65 #include "insets/InsetSpecialChar.h"
  66 #include "insets/InsetText.h"
  67 #include "insets/InsetWrap.h"
  68
  69 #include "support/convert.h"
  70 #include "support/debug.h"
  71 #include "support/gettext.h"
  72 #include "support/lassert.h"
  73 #include "support/lstrings.h"
  74 #include "support/lyxtime.h"
  75 #include "support/os.h"
  76 #include "support/regex.h"
  77
  78 #include "mathed/InsetMathHull.h"
  79 #include "mathed/MathMacroTemplate.h"
  80
  81 #include <boost/next_prior.hpp>
  82
  83 #include <clocale>
  84 #include <sstream>
  85
  86 using namespace std;
  87 using namespace lyx::support;
  88
  89 namespace lyx {
  90
  91 using cap::copySelection;
  92 using cap::cutSelection;
  93 using cap::pasteFromStack;
  94 using cap::pasteClipboardText;
  95 using cap::pasteClipboardGraphics;
  96 using cap::replaceSelection;
  97 using cap::grabAndEraseSelection;
  98 using cap::selClearOrDel;
  99 using cap::pasteSimpleText;
 100
 101 // globals...
 102 static Font freefont(ignore_font, ignore_language);
 103 static bool toggleall = false;
 104
 105 static void toggleAndShow(Cursor & cur, Text * text,
 106         Font const & font, bool toggleall = true)
 107 {
 108         text->toggleFree(cur, font, toggleall);
 109
 110         if (font.language() != ignore_language ||
 111             font.fontInfo().number() != FONT_IGNORE) {
 112                 TextMetrics const & tm = cur.bv().textMetrics(text);
 113                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(), cur.pos(),
 114                                                        cur.real_current_font))
 115                         text->setCursor(cur, cur.pit(), cur.pos(),
 116                                         false, !cur.boundary());
 117         }
 118 }
 119
 120
 121 static void moveCursor(Cursor & cur, bool selecting)
 122 {
 123         if (selecting || cur.mark())
 124                 cur.setSelection();
 125 }
 126
 127
 128 static void finishChange(Cursor & cur, bool selecting)
 129 {
 130         cur.finishUndo();
 131         moveCursor(cur, selecting);
 132 }
 133
 134
 135 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 136 {
 137         cur.recordUndo();
 138         docstring sel = cur.selectionAsString(false);
 139
 140         // It may happen that sel is empty but there is a selection
 141         replaceSelection(cur);
 142
 143         // Is this a valid formula?
 144         bool valid = true;
 145
 146         if (sel.empty()) {
 147 #ifdef ENABLE_ASSERTIONS
 148                 const int old_pos = cur.pos();
 149 #endif
 150                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
 151 #ifdef ENABLE_ASSERTIONS
 152                 LATTEST(old_pos == cur.pos());
 153 #endif
 154                 cur.nextInset()->edit(cur, true);
 155                 // don't do that also for LFUN_MATH_MODE
 156                 // unless you want end up with always changing
 157                 // to mathrm when opening an inlined inset --
 158                 // I really hate "LyXfunc overloading"...
 159                 if (display)
 160                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 161                 // Avoid an unnecessary undo step if cmd.argument
 162                 // is empty
 163                 if (!cmd.argument().empty())
 164                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 165                                                  cmd.argument()));
 166         } else {
 167                 // create a macro if we see "\\newcommand"
 168                 // somewhere, and an ordinary formula
 169                 // otherwise
 170                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 171                                 && sel.find(from_ascii("\\newlyxcommand")) == string::npos
 172                                 && sel.find(from_ascii("\\def")) == string::npos)
 173                 {
 174                         InsetMathHull * formula = new InsetMathHull(cur.buffer());
 175                         string const selstr = to_utf8(sel);
 176                         istringstream is(selstr);
 177                         Lexer lex;
 178                         lex.setStream(is);
 179                         if (!formula->readQuiet(lex)) {
 180                                 // No valid formula, let's try with delims
 181                                 is.str("$" + selstr + "$");
 182                                 lex.setStream(is);
 183                                 if (!formula->readQuiet(lex)) {
 184                                         // Still not valid, leave it as is
 185                                         valid = false;
 186                                         delete formula;
 187                                         cur.insert(sel);
 188                                 } else
 189                                         cur.insert(formula);
 190                         } else
 191                                 cur.insert(formula);
 192                 } else {
 193                         cur.insert(new MathMacroTemplate(cur.buffer(), sel));
 194                 }
 195         }
 196         if (valid)
 197                 cur.message(from_utf8(N_("Math editor mode")));
 198         else
 199                 cur.message(from_utf8(N_("No valid math formula")));
 200 }
 201
 202
 203 void regexpDispatch(Cursor & cur, FuncRequest const & cmd)
 204 {
 205         LASSERT(cmd.action() == LFUN_REGEXP_MODE, return);
 206         if (cur.inRegexped()) {
 207                 cur.message(_("Already in regular expression mode"));
 208                 return;
 209         }
 210         cur.recordUndo();
 211         docstring sel = cur.selectionAsString(false);
 212
 213         // It may happen that sel is empty but there is a selection
 214         replaceSelection(cur);
 215
 216         cur.insert(new InsetMathHull(cur.buffer(), hullRegexp));
 217         cur.nextInset()->edit(cur, true);
 218         cur.niceInsert(sel);
 219
 220         cur.message(_("Regexp editor mode"));
 221 }
 222
 223
 224 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 225 {
 226         cur.recordUndo();
 227         cap::replaceSelection(cur);
 228         cur.insert(new InsetSpecialChar(kind));
 229         cur.posForward();
 230 }
 231
 232
 233 static void ipaChar(Cursor & cur, InsetIPAChar::Kind kind)
 234 {
 235         cur.recordUndo();
 236         cap::replaceSelection(cur);
 237         cur.insert(new InsetIPAChar(kind));
 238         cur.posForward();
 239 }
 240
 241
 242 static bool doInsertInset(Cursor & cur, Text * text,
 243         FuncRequest const & cmd, bool edit, bool pastesel)
 244 {
 245         Buffer & buffer = cur.bv().buffer();
 246         BufferParams const & bparams = buffer.params();
 247         Inset * inset = createInset(&buffer, cmd);
 248         if (!inset)
 249                 return false;
 250
 251         if (InsetCollapsable * ci = inset->asInsetCollapsable())
 252                 ci->setButtonLabel();
 253
 254         cur.recordUndo();
 255         if (cmd.action() == LFUN_INDEX_INSERT) {
 256                 docstring ds = subst(text->getStringToIndex(cur), '\n', ' ');
 257                 text->insertInset(cur, inset);
 258                 if (edit)
 259                         inset->edit(cur, true);
 260                 // Now put this into inset
 261                 Font const f(inherit_font, cur.current_font.language());
 262                 if (!ds.empty()) {
 263                         cur.text()->insertStringAsLines(cur, ds, f);
 264                         cur.leaveInset(*inset);
 265                 }
 266                 return true;
 267         }
 268
 269         bool gotsel = false;
 270         if (cur.selection()) {
 271                 cutSelection(cur, false, pastesel);
 272                 cur.clearSelection();
 273                 gotsel = true;
 274         }
 275         text->insertInset(cur, inset);
 276
 277         if (edit)
 278                 inset->edit(cur, true);
 279
 280         if (!gotsel || !pastesel)
 281                 return true;
 282
 283         pasteFromStack(cur, cur.buffer()->errorList("Paste"), 0);
 284         cur.buffer()->errors("Paste");
 285         cur.clearSelection(); // bug 393
 286         cur.finishUndo();
 287         InsetText * inset_text = inset->asInsetText();
 288         if (inset_text) {
 289                 inset_text->fixParagraphsFont();
 290                 if (!inset_text->allowMultiPar() || cur.lastpit() == 0) {
 291                         // reset first par to default
 292                         cur.text()->paragraphs().begin()
 293                                 ->setPlainOrDefaultLayout(bparams.documentClass());
 294                         cur.pos() = 0;
 295                         cur.pit() = 0;
 296                         // Merge multiple paragraphs -- hack
 297                         while (cur.lastpit() > 0)
 298                                 mergeParagraph(bparams, cur.text()->paragraphs(), 0);
 299                         if (cmd.action() == LFUN_FLEX_INSERT)
 300                                 return true;
 301                         Cursor old = cur;
 302                         cur.leaveInset(*inset);
 303                         if (cmd.action() == LFUN_PREVIEW_INSERT
 304                             || cmd.action() == LFUN_IPA_INSERT)
 305                                 // trigger preview
 306                                 notifyCursorLeavesOrEnters(old, cur);
 307                 }
 308         } else {
 309                 cur.leaveInset(*inset);
 310                 // reset surrounding par to default
 311                 DocumentClass const & dc = bparams.documentClass();
 312                 docstring const layoutname = inset->usePlainLayout()
 313                         ? dc.plainLayoutName()
 314                         : dc.defaultLayoutName();
 315                 text->setLayout(cur, layoutname);
 316         }
 317         return true;
 318 }
 319
 320
 321 string const freefont2string()
 322 {
 323         return freefont.toString(toggleall);
 324 }
 325
 326
 327 /// the type of outline operation
 328 enum OutlineOp {
 329         OutlineUp, // Move this header with text down
 330         OutlineDown,   // Move this header with text up
 331         OutlineIn, // Make this header deeper
 332         OutlineOut // Make this header shallower
 333 };
 334
 335
 336 static void outline(OutlineOp mode, Cursor & cur)
 337 {
 338         Buffer & buf = *cur.buffer();
 339         pit_type & pit = cur.pit();
 340         ParagraphList & pars = buf.text().paragraphs();
 341         ParagraphList::iterator const bgn = pars.begin();
 342         // The first paragraph of the area to be copied:
 343         ParagraphList::iterator start = boost::next(bgn, pit);
 344         // The final paragraph of area to be copied:
 345         ParagraphList::iterator finish = start;
 346         ParagraphList::iterator const end = pars.end();
 347
 348         DocumentClass const & tc = buf.params().documentClass();
 349
 350         int const thistoclevel = buf.text().getTocLevel(distance(bgn, start));
 351         int toclevel;
 352
 353         // Move out (down) from this section header
 354         if (finish != end)
 355                 ++finish;
 356
 357         // Seek the one (on same level) below
 358         for (; finish != end; ++finish) {
 359                 toclevel = buf.text().getTocLevel(distance(bgn, finish));
 360                 if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 361                         break;
 362         }
 363
 364         switch (mode) {
 365                 case OutlineUp: {
 366                         if (start == pars.begin())
 367                                 // Nothing to move.
 368                                 return;
 369                         ParagraphList::iterator dest = start;
 370                         // Move out (up) from this header
 371                         if (dest == bgn)
 372                                 return;
 373                         // Search previous same-level header above
 374                         do {
 375                                 --dest;
 376                                 toclevel = buf.text().getTocLevel(distance(bgn, dest));
 377                         } while(dest != bgn
 378                                 && (toclevel == Layout::NOT_IN_TOC
 379                                     || toclevel > thistoclevel));
 380                         // Not found; do nothing
 381                         if (toclevel == Layout::NOT_IN_TOC || toclevel > thistoclevel)
 382                                 return;
 383                         pit_type const newpit = distance(bgn, dest);
 384                         pit_type const len = distance(start, finish);
 385                         pit_type const deletepit = pit + len;
 386                         buf.undo().recordUndo(cur, ATOMIC_UNDO, newpit, deletepit - 1);
 387                         pars.splice(dest, start, finish);
 388                         cur.pit() = newpit;
 389                         break;
 390                 }
 391                 case OutlineDown: {
 392                         if (finish == end)
 393                                 // Nothing to move.
 394                                 return;
 395                         // Go one down from *this* header:
 396                         ParagraphList::iterator dest = boost::next(finish, 1);
 397                         // Go further down to find header to insert in front of:
 398                         for (; dest != end; ++dest) {
 399                                 toclevel = buf.text().getTocLevel(distance(bgn, dest));
 400                                 if (toclevel != Layout::NOT_IN_TOC
 401                                       && toclevel <= thistoclevel)
 402                                         break;
 403                         }
 404                         // One such was found:
 405                         pit_type newpit = distance(bgn, dest);
 406                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, newpit - 1);
 407                         pit_type const len = distance(start, finish);
 408                         pars.splice(dest, start, finish);
 409                         cur.pit() = newpit - len;
 410                         break;
 411                 }
 412                 case OutlineIn: {
 413                         pit_type const len = distance(start, finish);
 414                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 415                         for (; start != finish; ++start) {
 416                                 toclevel = buf.text().getTocLevel(distance(bgn, start));
 417                                 if (toclevel == Layout::NOT_IN_TOC)
 418                                         continue;
 419                                 DocumentClass::const_iterator lit = tc.begin();
 420                                 DocumentClass::const_iterator len = tc.end();
 421                                 for (; lit != len; ++lit) {
 422                                         if (lit->toclevel == toclevel + 1 &&
 423                                             start->layout().labeltype == lit->labeltype) {
 424                                                 start->setLayout(*lit);
 425                                                 break;
 426                                         }
 427                                 }
 428                         }
 429                         break;
 430                 }
 431                 case OutlineOut: {
 432                         pit_type const len = distance(start, finish);
 433                         buf.undo().recordUndo(cur, ATOMIC_UNDO, pit, pit + len - 1);
 434                         for (; start != finish; ++start) {
 435                                 toclevel = buf.text().getTocLevel(distance(bgn, start));
 436                                 if (toclevel == Layout::NOT_IN_TOC)
 437                                         continue;
 438                                 DocumentClass::const_iterator lit = tc.begin();
 439                                 DocumentClass::const_iterator len = tc.end();
 440                                 for (; lit != len; ++lit) {
 441                                         if (lit->toclevel == toclevel - 1 &&
 442                                                 start->layout().labeltype == lit->labeltype) {
 443                                                         start->setLayout(*lit);
 444                                                         break;
 445                                         }
 446                                 }
 447                         }
 448                         break;
 449                 }
 450         }
 451 }
 452
 453
 454 void Text::number(Cursor & cur)
 455 {
 456         FontInfo font = ignore_font;
 457         font.setNumber(FONT_TOGGLE);
 458         toggleAndShow(cur, this, Font(font, ignore_language));
 459 }
 460
 461
 462 bool Text::isRTL(Paragraph const & par) const
 463 {
 464         Buffer const & buffer = owner_->buffer();
 465         return par.isRTL(buffer.params());
 466 }
 467
 468
 469 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 470 {
 471         LYXERR(Debug::ACTION, "Text::dispatch: cmd: " << cmd);
 472
 473         // Dispatch if the cursor is inside the text. It is not the
 474         // case for context menus (bug 5797).
 475         if (cur.text() != this) {
 476                 cur.undispatched();
 477                 return;
 478         }
 479
 480         BufferView * bv = &cur.bv();
 481         TextMetrics * tm = &bv->textMetrics(this);
 482         if (!tm->contains(cur.pit())) {
 483                 lyx::dispatch(FuncRequest(LFUN_SCREEN_SHOW_CURSOR));
 484                 tm = &bv->textMetrics(this);
 485         }
 486
 487         // FIXME: We use the update flag to indicates wether a singlePar or a
 488         // full screen update is needed. We reset it here but shall we restore it
 489         // at the end?
 490         cur.noScreenUpdate();
 491
 492         LBUFERR(this == cur.text());
 493         CursorSlice const oldTopSlice = cur.top();
 494         bool const oldBoundary = cur.boundary();
 495         bool const oldSelection = cur.selection();
 496         // Signals that, even if needsUpdate == false, an update of the
 497         // cursor paragraph is required
 498         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action(),
 499                 LyXAction::SingleParUpdate);
 500         // Signals that a full-screen update is required
 501         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action(),
 502                 LyXAction::NoUpdate) || singleParUpdate);
 503         bool const last_misspelled = lyxrc.spellcheck_continuously
 504                 && cur.paragraph().isMisspelled(cur.pos(), true);
 505
 506         FuncCode const act = cmd.action();
 507         switch (act) {
 508
 509         case LFUN_PARAGRAPH_MOVE_DOWN: {
 510                 pit_type const pit = cur.pit();
 511                 recUndo(cur, pit, pit + 1);
 512                 cur.finishUndo();
 513                 pars_.swap(pit, pit + 1);
 514                 needsUpdate = true;
 515                 cur.forceBufferUpdate();
 516                 ++cur.pit();
 517                 break;
 518         }
 519
 520         case LFUN_PARAGRAPH_MOVE_UP: {
 521                 pit_type const pit = cur.pit();
 522                 recUndo(cur, pit - 1, pit);
 523                 cur.finishUndo();
 524                 pars_.swap(pit, pit - 1);
 525                 --cur.pit();
 526                 needsUpdate = true;
 527                 cur.forceBufferUpdate();
 528                 break;
 529         }
 530
 531         case LFUN_APPENDIX: {
 532                 Paragraph & par = cur.paragraph();
 533                 bool start = !par.params().startOfAppendix();
 534
 535 // FIXME: The code below only makes sense at top level.
 536 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 537                 // ensure that we have only one start_of_appendix in this document
 538                 // FIXME: this don't work for multipart document!
 539                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 540                         if (pars_[tmp].params().startOfAppendix()) {
 541                                 recUndo(cur, tmp);
 542                                 pars_[tmp].params().startOfAppendix(false);
 543                                 break;
 544                         }
 545                 }
 546
 547                 cur.recordUndo();
 548                 par.params().startOfAppendix(start);
 549
 550                 // we can set the refreshing parameters now
 551                 cur.forceBufferUpdate();
 552                 break;
 553         }
 554
 555         case LFUN_WORD_DELETE_FORWARD:
 556                 if (cur.selection())
 557                         cutSelection(cur, true, false);
 558                 else
 559                         deleteWordForward(cur);
 560                 finishChange(cur, false);
 561                 break;
 562
 563         case LFUN_WORD_DELETE_BACKWARD:
 564                 if (cur.selection())
 565                         cutSelection(cur, true, false);
 566                 else
 567                         deleteWordBackward(cur);
 568                 finishChange(cur, false);
 569                 break;
 570
 571         case LFUN_LINE_DELETE_FORWARD:
 572                 if (cur.selection())
 573                         cutSelection(cur, true, false);
 574                 else
 575                         tm->deleteLineForward(cur);
 576                 finishChange(cur, false);
 577                 break;
 578
 579         case LFUN_BUFFER_BEGIN:
 580         case LFUN_BUFFER_BEGIN_SELECT:
 581                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_BEGIN_SELECT);
 582                 if (cur.depth() == 1)
 583                         needsUpdate |= cursorTop(cur);
 584                 else
 585                         cur.undispatched();
 586                 cur.screenUpdateFlags(Update::FitCursor);
 587                 break;
 588
 589         case LFUN_BUFFER_END:
 590         case LFUN_BUFFER_END_SELECT:
 591                 needsUpdate |= cur.selHandle(act == LFUN_BUFFER_END_SELECT);
 592                 if (cur.depth() == 1)
 593                         needsUpdate |= cursorBottom(cur);
 594                 else
 595                         cur.undispatched();
 596                 cur.screenUpdateFlags(Update::FitCursor);
 597                 break;
 598
 599         case LFUN_INSET_BEGIN:
 600         case LFUN_INSET_BEGIN_SELECT:
 601                 needsUpdate |= cur.selHandle(act == LFUN_INSET_BEGIN_SELECT);
 602                 if (cur.depth() == 1 || !cur.top().at_begin())
 603                         needsUpdate |= cursorTop(cur);
 604                 else
 605                         cur.undispatched();
 606                 cur.screenUpdateFlags(Update::FitCursor);
 607                 break;
 608
 609         case LFUN_INSET_END:
 610         case LFUN_INSET_END_SELECT:
 611                 needsUpdate |= cur.selHandle(act == LFUN_INSET_END_SELECT);
 612                 if (cur.depth() == 1 || !cur.top().at_end())
 613                         needsUpdate |= cursorBottom(cur);
 614                 else
 615                         cur.undispatched();
 616                 cur.screenUpdateFlags(Update::FitCursor);
 617                 break;
 618
 619         case LFUN_INSET_SELECT_ALL:
 620                 if (cur.depth() == 1 || !cur.selection() || !cur.selBegin().at_begin()
 621                           || !cur.selEnd().at_end()) {
 622                         needsUpdate |= cur.selHandle(false);
 623                         needsUpdate |= cursorTop(cur);
 624                         needsUpdate |= cur.selHandle(true);
 625                         needsUpdate |= cursorBottom(cur);
 626                 } else
 627                         cur.undispatched();
 628                 cur.screenUpdateFlags(Update::FitCursor);
 629                 break;
 630
 631         case LFUN_CHAR_FORWARD:
 632         case LFUN_CHAR_FORWARD_SELECT:
 633                 //LYXERR0(" LFUN_CHAR_FORWARD[SEL]:\n" << cur);
 634                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_FORWARD_SELECT);
 635                 needsUpdate |= cursorForward(cur);
 636
 637                 if (!needsUpdate && oldTopSlice == cur.top()
 638                                 && cur.boundary() == oldBoundary) {
 639                         cur.undispatched();
 640                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 641
 642                         // we will probably be moving out the inset, so we should execute
 643                         // the depm-mechanism, but only when the cursor has a place to
 644                         // go outside this inset, i.e. in a slice above.
 645                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 646                                   && cur.pit() == cur.lastpit()) {
 647                                 // The cursor hasn't changed yet. To give the
 648                                 // DEPM the possibility of doing something we must
 649                                 // provide it with two different cursors.
 650                                 Cursor dummy = cur;
 651                                 dummy.pos() = dummy.pit() = 0;
 652                                 if (cur.bv().checkDepm(dummy, cur))
 653                                         cur.forceBufferUpdate();
 654                         }
 655                 }
 656                 break;
 657
 658         case LFUN_CHAR_BACKWARD:
 659         case LFUN_CHAR_BACKWARD_SELECT:
 660                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 661                 needsUpdate |= cur.selHandle(act == LFUN_CHAR_BACKWARD_SELECT);
 662                 needsUpdate |= cursorBackward(cur);
 663
 664                 if (!needsUpdate && oldTopSlice == cur.top()
 665                         && cur.boundary() == oldBoundary) {
 666                         cur.undispatched();
 667                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 668
 669                         // we will probably be moving out the inset, so we should execute
 670                         // the depm-mechanism, but only when the cursor has a place to
 671                         // go outside this inset, i.e. in a slice above.
 672                         if (cur.depth() > 1 && cur.pos() == 0 && cur.pit() == 0) {
 673                                 // The cursor hasn't changed yet. To give the
 674                                 // DEPM the possibility of doing something we must
 675                                 // provide it with two different cursors.
 676                                 Cursor dummy = cur;
 677                                 dummy.pos() = cur.lastpos();
 678                                 dummy.pit() = cur.lastpit();
 679                                 if (cur.bv().checkDepm(dummy, cur))
 680                                         cur.forceBufferUpdate();
 681                         }
 682                 }
 683                 break;
 684
 685         case LFUN_CHAR_LEFT:
 686         case LFUN_CHAR_LEFT_SELECT:
 687                 if (lyxrc.visual_cursor) {
 688                         needsUpdate |= cur.selHandle(act == LFUN_CHAR_LEFT_SELECT);
 689                         needsUpdate |= cursorVisLeft(cur);
 690                         if (!needsUpdate && oldTopSlice == cur.top()
 691                                         && cur.boundary() == oldBoundary) {
 692                                 cur.undispatched();
 693                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 694                         }
 695                 } else {
 696                         if (reverseDirectionNeeded(cur)) {
 697                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 698                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 699                         } else {
 700                                 cmd.setAction(cmd.action() == LFUN_CHAR_LEFT_SELECT ?
 701                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 702                         }
 703                         dispatch(cur, cmd);
 704                         return;
 705                 }
 706                 break;
 707
 708         case LFUN_CHAR_RIGHT:
 709         case LFUN_CHAR_RIGHT_SELECT:
 710                 if (lyxrc.visual_cursor) {
 711                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_CHAR_RIGHT_SELECT);
 712                         needsUpdate |= cursorVisRight(cur);
 713                         if (!needsUpdate && oldTopSlice == cur.top()
 714                                         && cur.boundary() == oldBoundary) {
 715                                 cur.undispatched();
 716                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 717                         }
 718                 } else {
 719                         if (reverseDirectionNeeded(cur)) {
 720                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 721                                         LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD);
 722                         } else {
 723                                 cmd.setAction(cmd.action() == LFUN_CHAR_RIGHT_SELECT ?
 724                                         LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD);
 725                         }
 726                         dispatch(cur, cmd);
 727                         return;
 728                 }
 729                 break;
 730
 731
 732         case LFUN_UP_SELECT:
 733         case LFUN_DOWN_SELECT:
 734         case LFUN_UP:
 735         case LFUN_DOWN: {
 736                 // stop/start the selection
 737                 bool select = cmd.action() == LFUN_DOWN_SELECT ||
 738                         cmd.action() == LFUN_UP_SELECT;
 739
 740                 // move cursor up/down
 741                 bool up = cmd.action() == LFUN_UP_SELECT || cmd.action() == LFUN_UP;
 742                 bool const atFirstOrLastRow = cur.atFirstOrLastRow(up);
 743
 744                 if (!atFirstOrLastRow) {
 745                         needsUpdate |= cur.selHandle(select);
 746                         cur.selHandle(select);
 747                         cur.upDownInText(up, needsUpdate);
 748                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 749                 } else {
 750                         // if the cursor cannot be moved up or down do not remove
 751                         // the selection right now, but wait for the next dispatch.
 752                         if (select)
 753                                 needsUpdate |= cur.selHandle(select);
 754                         cur.upDownInText(up, needsUpdate);
 755                         cur.undispatched();
 756                 }
 757
 758                 break;
 759         }
 760
 761         case LFUN_PARAGRAPH_UP:
 762         case LFUN_PARAGRAPH_UP_SELECT:
 763                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_UP_SELECT);
 764                 needsUpdate |= cursorUpParagraph(cur);
 765                 break;
 766
 767         case LFUN_PARAGRAPH_DOWN:
 768         case LFUN_PARAGRAPH_DOWN_SELECT:
 769                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_PARAGRAPH_DOWN_SELECT);
 770                 needsUpdate |= cursorDownParagraph(cur);
 771                 break;
 772
 773         case LFUN_LINE_BEGIN:
 774         case LFUN_LINE_BEGIN_SELECT:
 775                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_BEGIN_SELECT);
 776                 needsUpdate |= tm->cursorHome(cur);
 777                 break;
 778
 779         case LFUN_LINE_END:
 780         case LFUN_LINE_END_SELECT:
 781                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_LINE_END_SELECT);
 782                 needsUpdate |= tm->cursorEnd(cur);
 783                 break;
 784
 785         case LFUN_SECTION_SELECT: {
 786                 Buffer const & buf = *cur.buffer();
 787                 pit_type const pit = cur.pit();
 788                 ParagraphList & pars = buf.text().paragraphs();
 789                 ParagraphList::iterator bgn = pars.begin();
 790                 // The first paragraph of the area to be selected:
 791                 ParagraphList::iterator start = boost::next(bgn, pit);
 792                 // The final paragraph of area to be selected:
 793                 ParagraphList::iterator finish = start;
 794                 ParagraphList::iterator end = pars.end();
 795
 796                 int const thistoclevel = buf.text().getTocLevel(distance(bgn, start));
 797                 if (thistoclevel == Layout::NOT_IN_TOC)
 798                         break;
 799
 800                 cur.pos() = 0;
 801                 Cursor const old_cur = cur;
 802                 needsUpdate |= cur.selHandle(true);
 803
 804                 // Move out (down) from this section header
 805                 if (finish != end)
 806                         ++finish;
 807
 808                 // Seek the one (on same level) below
 809                 for (; finish != end; ++finish, ++cur.pit()) {
 810                         int const toclevel = buf.text().getTocLevel(distance(bgn, finish));
 811                         if (toclevel != Layout::NOT_IN_TOC && toclevel <= thistoclevel)
 812                                 break;
 813                 }
 814                 cur.pos() = cur.lastpos();
 815
 816                 needsUpdate |= cur != old_cur;
 817                 break;
 818         }
 819
 820         case LFUN_WORD_RIGHT:
 821         case LFUN_WORD_RIGHT_SELECT:
 822                 if (lyxrc.visual_cursor) {
 823                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_RIGHT_SELECT);
 824                         needsUpdate |= cursorVisRightOneWord(cur);
 825                         if (!needsUpdate && oldTopSlice == cur.top()
 826                                         && cur.boundary() == oldBoundary) {
 827                                 cur.undispatched();
 828                                 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 829                         }
 830                 } else {
 831                         if (reverseDirectionNeeded(cur)) {
 832                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 833                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 834                         } else {
 835                                 cmd.setAction(cmd.action() == LFUN_WORD_RIGHT_SELECT ?
 836                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 837                         }
 838                         dispatch(cur, cmd);
 839                         return;
 840                 }
 841                 break;
 842
 843         case LFUN_WORD_FORWARD:
 844         case LFUN_WORD_FORWARD_SELECT:
 845                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_FORWARD_SELECT);
 846                 needsUpdate |= cursorForwardOneWord(cur);
 847
 848                 if (!needsUpdate && oldTopSlice == cur.top()
 849                                 && cur.boundary() == oldBoundary) {
 850                         cur.undispatched();
 851                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
 852
 853                         // we will probably be moving out the inset, so we should execute
 854                         // the depm-mechanism, but only when the cursor has a place to
 855                         // go outside this inset, i.e. in a slice above.
 856                         if (cur.depth() > 1 && cur.pos() == cur.lastpos()
 857                                   && cur.pit() == cur.lastpit()) {
 858                                 // The cursor hasn't changed yet. To give the
 859                                 // DEPM the possibility of doing something we must
 860                                 // provide it with two different cursors.
 861                                 Cursor dummy = cur;
 862                                 dummy.pos() = dummy.pit() = 0;
 863                                 if (cur.bv().checkDepm(dummy, cur))
 864                                         cur.forceBufferUpdate();
 865                         }
 866                 }
 867                 break;
 868
 869         case LFUN_WORD_LEFT:
 870         case LFUN_WORD_LEFT_SELECT:
 871                 if (lyxrc.visual_cursor) {
 872                         needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_LEFT_SELECT);
 873                         needsUpdate |= cursorVisLeftOneWord(cur);
 874                         if (!needsUpdate && oldTopSlice == cur.top()
 875                                         && cur.boundary() == oldBoundary) {
 876                                 cur.undispatched();
 877                                 cmd = FuncRequest(LFUN_FINISHED_LEFT);
 878                         }
 879                 } else {
 880                         if (reverseDirectionNeeded(cur)) {
 881                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 882                                                 LFUN_WORD_FORWARD_SELECT : LFUN_WORD_FORWARD);
 883                         } else {
 884                                 cmd.setAction(cmd.action() == LFUN_WORD_LEFT_SELECT ?
 885                                                 LFUN_WORD_BACKWARD_SELECT : LFUN_WORD_BACKWARD);
 886                         }
 887                         dispatch(cur, cmd);
 888                         return;
 889                 }
 890                 break;
 891
 892         case LFUN_WORD_BACKWARD:
 893         case LFUN_WORD_BACKWARD_SELECT:
 894                 needsUpdate |= cur.selHandle(cmd.action() == LFUN_WORD_BACKWARD_SELECT);
 895                 needsUpdate |= cursorBackwardOneWord(cur);
 896
 897                 if (!needsUpdate && oldTopSlice == cur.top()
 898                                 && cur.boundary() == oldBoundary) {
 899                         cur.undispatched();
 900                         cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
 901
 902                         // we will probably be moving out the inset, so we should execute
 903                         // the depm-mechanism, but only when the cursor has a place to
 904                         // go outside this inset, i.e. in a slice above.
 905                         if (cur.depth() > 1 && cur.pos() == 0
 906                                   && cur.pit() == 0) {
 907                                 // The cursor hasn't changed yet. To give the
 908                                 // DEPM the possibility of doing something we must
 909                                 // provide it with two different cursors.
 910                                 Cursor dummy = cur;
 911                                 dummy.pos() = cur.lastpos();
 912                                 dummy.pit() = cur.lastpit();
 913                                 if (cur.bv().checkDepm(dummy, cur))
 914                                         cur.forceBufferUpdate();
 915                         }
 916                 }
 917                 break;
 918
 919         case LFUN_WORD_SELECT: {
 920                 selectWord(cur, WHOLE_WORD);
 921                 finishChange(cur, true);
 922                 break;
 923         }
 924
 925         case LFUN_NEWLINE_INSERT: {
 926                 InsetNewlineParams inp;
 927                 docstring arg = cmd.argument();
 928                 if (arg == "linebreak")
 929                         inp.kind = InsetNewlineParams::LINEBREAK;
 930                 else
 931                         inp.kind = InsetNewlineParams::NEWLINE;
 932                 cap::replaceSelection(cur);
 933                 cur.recordUndo();
 934                 cur.insert(new InsetNewline(inp));
 935                 cur.posForward();
 936                 moveCursor(cur, false);
 937                 break;
 938         }
 939
 940         case LFUN_TAB_INSERT: {
 941                 bool const multi_par_selection = cur.selection() &&
 942                         cur.selBegin().pit() != cur.selEnd().pit();
 943                 if (multi_par_selection) {
 944                         // If there is a multi-paragraph selection, a tab is inserted
 945                         // at the beginning of each paragraph.
 946                         cur.recordUndoSelection();
 947                         pit_type const pit_end = cur.selEnd().pit();
 948                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 949                                 pars_[pit].insertChar(0, '\t',
 950                                                       bv->buffer().params().trackChanges);
 951                                 // Update the selection pos to make sure the selection does not
 952                                 // change as the inserted tab will increase the logical pos.
 953                                 if (cur.realAnchor().pit() == pit)
 954                                         cur.realAnchor().forwardPos();
 955                                 if (cur.pit() == pit)
 956                                         cur.forwardPos();
 957                         }
 958                         cur.finishUndo();
 959                 } else {
 960                         // Maybe we shouldn't allow tabs within a line, because they
 961                         // are not (yet) aligned as one might do expect.
 962                         FuncRequest cmd(LFUN_SELF_INSERT, from_ascii("\t"));
 963                         dispatch(cur, cmd);
 964                 }
 965                 break;
 966         }
 967
 968         case LFUN_TAB_DELETE: {
 969                 bool const tc = bv->buffer().params().trackChanges;
 970                 if (cur.selection()) {
 971                         // If there is a selection, a tab (if present) is removed from
 972                         // the beginning of each paragraph.
 973                         cur.recordUndoSelection();
 974                         pit_type const pit_end = cur.selEnd().pit();
 975                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 976                                 Paragraph & par = paragraphs()[pit];
 977                                 if (par.empty())
 978                                         continue;
 979                                 char_type const c = par.getChar(0);
 980                                 if (c == '\t' || c == ' ') {
 981                                         // remove either 1 tab or 4 spaces.
 982                                         int const n = (c == ' ' ? 4 : 1);
 983                                         for (int i = 0; i < n
 984                                                   && !par.empty() && par.getChar(0) == c; ++i) {
 985                                                 if (cur.pit() == pit)
 986                                                         cur.posBackward();
 987                                                 if (cur.realAnchor().pit() == pit
 988                                                           && cur.realAnchor().pos() > 0 )
 989                                                         cur.realAnchor().backwardPos();
 990                                                 par.eraseChar(0, tc);
 991                                         }
 992                                 }
 993                         }
 994                         cur.finishUndo();
 995                 } else {
 996                         // If there is no selection, try to remove a tab or some spaces
 997                         // before the position of the cursor.
 998                         Paragraph & par = paragraphs()[cur.pit()];
 999                         pos_type const pos = cur.pos();
1000
1001                         if (pos == 0)
1002                                 break;
1003
1004                         char_type const c = par.getChar(pos - 1);
1005                         cur.recordUndo();
1006                         if (c == '\t') {
1007                                 cur.posBackward();
1008                                 par.eraseChar(cur.pos(), tc);
1009                         } else
1010                                 for (int n_spaces = 0;
1011                                      cur.pos() > 0
1012                                              && par.getChar(cur.pos() - 1) == ' '
1013                                              && n_spaces < 4;
1014                                      ++n_spaces) {
1015                                         cur.posBackward();
1016                                         par.eraseChar(cur.pos(), tc);
1017                                 }
1018                         cur.finishUndo();
1019                 }
1020                 break;
1021         }
1022
1023         case LFUN_CHAR_DELETE_FORWARD:
1024                 if (!cur.selection()) {
1025                         if (cur.pos() == cur.paragraph().size())
1026                                 // Par boundary, force full-screen update
1027                                 singleParUpdate = false;
1028                         needsUpdate |= erase(cur);
1029                         cur.resetAnchor();
1030                         // It is possible to make it a lot faster still
1031                         // just comment out the line below...
1032                 } else {
1033                         cutSelection(cur, true, false);
1034                         singleParUpdate = false;
1035                 }
1036                 moveCursor(cur, false);
1037                 break;
1038
1039         case LFUN_CHAR_DELETE_BACKWARD:
1040                 if (!cur.selection()) {
1041                         if (bv->getIntl().getTransManager().backspace()) {
1042                                 // Par boundary, full-screen update
1043                                 if (cur.pos() == 0)
1044                                         singleParUpdate = false;
1045                                 needsUpdate |= backspace(cur);
1046                                 cur.resetAnchor();
1047                                 // It is possible to make it a lot faster still
1048                                 // just comment out the line below...
1049                         }
1050                 } else {
1051                         cutSelection(cur, true, false);
1052                         singleParUpdate = false;
1053                 }
1054                 break;
1055
1056         case LFUN_PARAGRAPH_BREAK:
1057                 cap::replaceSelection(cur);
1058                 breakParagraph(cur, cmd.argument() == "inverse");
1059                 cur.resetAnchor();
1060                 break;
1061
1062         case LFUN_INSET_INSERT: {
1063                 cur.recordUndo();
1064
1065                 // We have to avoid triggering InstantPreview loading
1066                 // before inserting into the document. See bug #5626.
1067                 bool loaded = bv->buffer().isFullyLoaded();
1068                 bv->buffer().setFullyLoaded(false);
1069                 Inset * inset = createInset(&bv->buffer(), cmd);
1070                 bv->buffer().setFullyLoaded(loaded);
1071
1072                 if (inset) {
1073                         // FIXME (Abdel 01/02/2006):
1074                         // What follows would be a partial fix for bug 2154:
1075                         //   http://www.lyx.org/trac/ticket/2154
1076                         // This automatically put the label inset _after_ a
1077                         // numbered section. It should be possible to extend the mechanism
1078                         // to any kind of LateX environement.
1079                         // The correct way to fix that bug would be at LateX generation.
1080                         // I'll let the code here for reference as it could be used for some
1081                         // other feature like "automatic labelling".
1082                         /*
1083                         Paragraph & par = pars_[cur.pit()];
1084                         if (inset->lyxCode() == LABEL_CODE
1085                                 && !par.layout().counter.empty() {
1086                                 // Go to the end of the paragraph
1087                                 // Warning: Because of Change-Tracking, the last
1088                                 // position is 'size()' and not 'size()-1':
1089                                 cur.pos() = par.size();
1090                                 // Insert a new paragraph
1091                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
1092                                 dispatch(cur, fr);
1093                         }
1094                         */
1095                         if (cur.selection())
1096                                 cutSelection(cur, true, false);
1097                         cur.insert(inset);
1098                         if (inset->editable() && inset->asInsetText())
1099                                 inset->edit(cur, true);
1100                         else
1101                                 cur.posForward();
1102
1103                         // trigger InstantPreview now
1104                         if (inset->lyxCode() == EXTERNAL_CODE) {
1105                                 InsetExternal & ins =
1106                                         static_cast<InsetExternal &>(*inset);
1107                                 ins.updatePreview();
1108                         }
1109                 }
1110
1111                 break;
1112         }
1113
1114         case LFUN_INSET_DISSOLVE: {
1115                 if (dissolveInset(cur)) {
1116                         needsUpdate = true;
1117                         cur.forceBufferUpdate();
1118                 }
1119                 break;
1120         }
1121
1122         case LFUN_SET_GRAPHICS_GROUP: {
1123                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
1124                 if (!ins)
1125                         break;
1126
1127                 cur.recordUndo();
1128
1129                 string id = to_utf8(cmd.argument());
1130                 string grp = graphics::getGroupParams(bv->buffer(), id);
1131                 InsetGraphicsParams tmp, inspar = ins->getParams();
1132
1133                 if (id.empty())
1134                         inspar.groupId = to_utf8(cmd.argument());
1135                 else {
1136                         InsetGraphics::string2params(grp, bv->buffer(), tmp);
1137                         tmp.filename = inspar.filename;
1138                         inspar = tmp;
1139                 }
1140
1141                 ins->setParams(inspar);
1142         }
1143
1144         case LFUN_SPACE_INSERT:
1145                 if (cur.paragraph().layout().free_spacing)
1146                         insertChar(cur, ' ');
1147                 else {
1148                         doInsertInset(cur, this, cmd, false, false);
1149                         cur.posForward();
1150                 }
1151                 moveCursor(cur, false);
1152                 break;
1153
1154         case LFUN_SPECIALCHAR_INSERT: {
1155                 string const name = to_utf8(cmd.argument());
1156                 if (name == "hyphenation")
1157                         specialChar(cur, InsetSpecialChar::HYPHENATION);
1158                 else if (name == "ligature-break")
1159                         specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
1160                 else if (name == "slash")
1161                         specialChar(cur, InsetSpecialChar::SLASH);
1162                 else if (name == "nobreakdash")
1163                         specialChar(cur, InsetSpecialChar::NOBREAKDASH);
1164                 else if (name == "dots")
1165                         specialChar(cur, InsetSpecialChar::LDOTS);
1166                 else if (name == "end-of-sentence")
1167                         specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
1168                 else if (name == "menu-separator")
1169                         specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
1170                 else if (name.empty())
1171                         lyxerr << "LyX function 'specialchar-insert' needs an argument." << endl;
1172                 else
1173                         lyxerr << "Wrong argument for LyX function 'specialchar-insert'." << endl;
1174                 break;
1175         }
1176
1177         case LFUN_IPAMACRO_INSERT: {
1178                 string const arg = cmd.getArg(0);
1179                 if (arg == "deco") {
1180                         // Open the inset, and move the current selection
1181                         // inside it.
1182                         doInsertInset(cur, this, cmd, true, true);
1183                         cur.posForward();
1184                         // Some insets are numbered, others are shown in the outline pane so
1185                         // let's update the labels and the toc backend.
1186                         cur.forceBufferUpdate();
1187                         break;
1188                 }
1189                 if (arg == "tone-falling")
1190                         ipaChar(cur, InsetIPAChar::TONE_FALLING);
1191                 else if (arg == "tone-rising")
1192                         ipaChar(cur, InsetIPAChar::TONE_RISING);
1193                 else if (arg == "tone-high-rising")
1194                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING);
1195                 else if (arg == "tone-low-rising")
1196                         ipaChar(cur, InsetIPAChar::TONE_LOW_RISING);
1197                 else if (arg == "tone-high-rising-falling")
1198                         ipaChar(cur, InsetIPAChar::TONE_HIGH_RISING_FALLING);
1199                 else if (arg.empty())
1200                         lyxerr << "LyX function 'ipamacro-insert' needs an argument." << endl;
1201                 else
1202                         lyxerr << "Wrong argument for LyX function 'ipamacro-insert'." << endl;
1203                 break;
1204         }
1205
1206         case LFUN_WORD_UPCASE:
1207                 changeCase(cur, text_uppercase);
1208                 break;
1209
1210         case LFUN_WORD_LOWCASE:
1211                 changeCase(cur, text_lowercase);
1212                 break;
1213
1214         case LFUN_WORD_CAPITALIZE:
1215                 changeCase(cur, text_capitalization);
1216                 break;
1217
1218         case LFUN_CHARS_TRANSPOSE:
1219                 charsTranspose(cur);
1220                 break;
1221
1222         case LFUN_PASTE: {
1223                 cur.message(_("Paste"));
1224                 LASSERT(cur.selBegin().idx() == cur.selEnd().idx(), break);
1225                 cap::replaceSelection(cur);
1226
1227                 // without argument?
1228                 string const arg = to_utf8(cmd.argument());
1229                 if (arg.empty()) {
1230                         bool tryGraphics = true;
1231                         if (theClipboard().isInternal())
1232                                 pasteFromStack(cur, bv->buffer().errorList("Paste"), 0);
1233                         else if (theClipboard().hasTextContents()) {
1234                                 if (pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1235                                                        true, Clipboard::AnyTextType))
1236                                         tryGraphics = false;
1237                         }
1238                         if (tryGraphics && theClipboard().hasGraphicsContents())
1239                                 pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"));
1240                 } else if (isStrUnsignedInt(arg)) {
1241                         // we have a numerical argument
1242                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
1243                                        convert<unsigned int>(arg));
1244                 } else if (arg == "html" || arg == "latex") {
1245                         Clipboard::TextType type = (arg == "html") ?
1246                                 Clipboard::HtmlTextType : Clipboard::LaTeXTextType;
1247                         pasteClipboardText(cur, bv->buffer().errorList("Paste"), true, type);
1248                 } else {
1249                         Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
1250                         if (arg == "pdf")
1251                                 type = Clipboard::PdfGraphicsType;
1252                         else if (arg == "png")
1253                                 type = Clipboard::PngGraphicsType;
1254                         else if (arg == "jpeg")
1255                                 type = Clipboard::JpegGraphicsType;
1256                         else if (arg == "linkback")
1257                                 type = Clipboard::LinkBackGraphicsType;
1258                         else if (arg == "emf")
1259                                 type = Clipboard::EmfGraphicsType;
1260                         else if (arg == "wmf")
1261                                 type = Clipboard::WmfGraphicsType;
1262                         else
1263                                 // We used to assert, but couldn't the argument come from, say, the
1264                                 // minibuffer and just be mistyped?
1265                                 LYXERR0("Unrecognized graphics type: " << arg);
1266
1267                         pasteClipboardGraphics(cur, bv->buffer().errorList("Paste"), type);
1268                 }
1269
1270                 bv->buffer().errors("Paste");
1271                 cur.clearSelection(); // bug 393
1272                 cur.finishUndo();
1273                 break;
1274         }
1275
1276         case LFUN_CUT:
1277                 cutSelection(cur, true, true);
1278                 cur.message(_("Cut"));
1279                 break;
1280
1281         case LFUN_COPY:
1282                 copySelection(cur);
1283                 cur.message(_("Copy"));
1284                 break;
1285
1286         case LFUN_SERVER_GET_XY:
1287                 cur.message(from_utf8(
1288                         convert<string>(tm->cursorX(cur.top(), cur.boundary()))
1289                         + ' ' + convert<string>(tm->cursorY(cur.top(), cur.boundary()))));
1290                 break;
1291
1292         case LFUN_SERVER_SET_XY: {
1293                 int x = 0;
1294                 int y = 0;
1295                 istringstream is(to_utf8(cmd.argument()));
1296                 is >> x >> y;
1297                 if (!is)
1298                         lyxerr << "SETXY: Could not parse coordinates in '"
1299                                << to_utf8(cmd.argument()) << endl;
1300                 else
1301                         tm->setCursorFromCoordinates(cur, x, y);
1302                 break;
1303         }
1304
1305         case LFUN_SERVER_GET_LAYOUT:
1306                 cur.message(cur.paragraph().layout().name());
1307                 break;
1308
1309         case LFUN_LAYOUT: {
1310                 docstring layout = cmd.argument();
1311                 LYXERR(Debug::INFO, "LFUN_LAYOUT: (arg) " << to_utf8(layout));
1312
1313                 Paragraph const & para = cur.paragraph();
1314                 docstring const old_layout = para.layout().name();
1315                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1316
1317                 if (layout.empty())
1318                         layout = tclass.defaultLayoutName();
1319
1320                 if (owner_->forcePlainLayout())
1321                         // in this case only the empty layout is allowed
1322                         layout = tclass.plainLayoutName();
1323                 else if (para.usePlainLayout()) {
1324                         // in this case, default layout maps to empty layout
1325                         if (layout == tclass.defaultLayoutName())
1326                                 layout = tclass.plainLayoutName();
1327                 } else {
1328                         // otherwise, the empty layout maps to the default
1329                         if (layout == tclass.plainLayoutName())
1330                                 layout = tclass.defaultLayoutName();
1331                 }
1332
1333                 bool hasLayout = tclass.hasLayout(layout);
1334
1335                 // If the entry is obsolete, use the new one instead.
1336                 if (hasLayout) {
1337                         docstring const & obs = tclass[layout].obsoleted_by();
1338                         if (!obs.empty())
1339                                 layout = obs;
1340                 }
1341
1342                 if (!hasLayout) {
1343                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
1344                                 from_utf8(N_(" not known")));
1345                         break;
1346                 }
1347
1348                 bool change_layout = (old_layout != layout);
1349
1350                 if (!change_layout && cur.selection() &&
1351                         cur.selBegin().pit() != cur.selEnd().pit())
1352                 {
1353                         pit_type spit = cur.selBegin().pit();
1354                         pit_type epit = cur.selEnd().pit() + 1;
1355                         while (spit != epit) {
1356                                 if (pars_[spit].layout().name() != old_layout) {
1357                                         change_layout = true;
1358                                         break;
1359                                 }
1360                                 ++spit;
1361                         }
1362                 }
1363
1364                 if (change_layout)
1365                         setLayout(cur, layout);
1366
1367                 Layout::LaTeXArgMap args = tclass[layout].args();
1368                 Layout::LaTeXArgMap::const_iterator lait = args.begin();
1369                 Layout::LaTeXArgMap::const_iterator const laend = args.end();
1370                 for (; lait != laend; ++lait) {
1371                         Layout::latexarg arg = (*lait).second;
1372                         if (arg.autoinsert) {
1373                                 FuncRequest cmd(LFUN_ARGUMENT_INSERT, (*lait).first);
1374                                 lyx::dispatch(cmd);
1375                         }
1376                 }
1377
1378                 break;
1379         }
1380
1381         case LFUN_ENVIRONMENT_SPLIT: {
1382                 bool const outer = cmd.argument() == "outer";
1383                 Paragraph const & para = cur.paragraph();
1384                 docstring layout = para.layout().name();
1385                 depth_type split_depth = cur.paragraph().params().depth();
1386                 if (outer) {
1387                         // check if we have an environment in our nesting hierarchy
1388                         pit_type pit = cur.pit();
1389                         Paragraph cpar = pars_[pit];
1390                         while (true) {
1391                                 if (pit == 0 || cpar.params().depth() == 0)
1392                                         break;
1393                                 --pit;
1394                                 cpar = pars_[pit];
1395                                 if (cpar.params().depth() < split_depth
1396                                     && cpar.layout().isEnvironment()) {
1397                                                 layout = cpar.layout().name();
1398                                                 split_depth = cpar.params().depth();
1399                                 }
1400                         }
1401                 }
1402                 if (cur.pos() > 0)
1403                         lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_BREAK));
1404                 if (outer) {
1405                         while (cur.paragraph().params().depth() > split_depth)
1406                                 lyx::dispatch(FuncRequest(LFUN_DEPTH_DECREMENT));
1407                 }
1408                 bool const morecont = cur.lastpos() > cur.pos();
1409                 lyx::dispatch(FuncRequest(LFUN_LAYOUT, "Separator"));
1410                 lyx::dispatch(FuncRequest(LFUN_PARAGRAPH_BREAK, "inverse"));
1411                 if (morecont)
1412                         lyx::dispatch(FuncRequest(LFUN_DOWN));
1413                 lyx::dispatch(FuncRequest(LFUN_LAYOUT, layout));
1414
1415                 break;
1416         }
1417
1418         case LFUN_CLIPBOARD_PASTE:
1419                 cap::replaceSelection(cur);
1420                 pasteClipboardText(cur, bv->buffer().errorList("Paste"),
1421                                cmd.argument() == "paragraph");
1422                 bv->buffer().errors("Paste");
1423                 break;
1424
1425         case LFUN_CLIPBOARD_PASTE_SIMPLE:
1426                 cap::replaceSelection(cur);
1427                 pasteSimpleText(cur, cmd.argument() == "paragraph");
1428                 break;
1429
1430         case LFUN_PRIMARY_SELECTION_PASTE:
1431                 cap::replaceSelection(cur);
1432                 pasteString(cur, theSelection().get(),
1433                             cmd.argument() == "paragraph");
1434                 break;
1435
1436         case LFUN_SELECTION_PASTE:
1437                 // Copy the selection buffer to the clipboard stack,
1438                 // because we want it to appear in the "Edit->Paste
1439                 // recent" menu.
1440                 cap::replaceSelection(cur);
1441                 cap::copySelectionToStack();
1442                 cap::pasteSelection(bv->cursor(), bv->buffer().errorList("Paste"));
1443                 bv->buffer().errors("Paste");
1444                 break;
1445
1446         case LFUN_UNICODE_INSERT: {
1447                 if (cmd.argument().empty())
1448                         break;
1449                 docstring hexstring = cmd.argument();
1450                 if (isHex(hexstring)) {
1451                         char_type c = hexToInt(hexstring);
1452                         if (c >= 32 && c < 0x10ffff) {
1453                                 lyxerr << "Inserting c: " << c << endl;
1454                                 docstring s = docstring(1, c);
1455                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
1456                         }
1457                 }
1458                 break;
1459         }
1460
1461         case LFUN_QUOTE_INSERT: {
1462                 cap::replaceSelection(cur);
1463                 cur.recordUndo();
1464
1465                 Paragraph const & par = cur.paragraph();
1466                 pos_type pos = cur.pos();
1467                 // Ignore deleted text before cursor
1468                 while (pos > 0 && par.isDeleted(pos - 1))
1469                         --pos;
1470
1471                 BufferParams const & bufparams = bv->buffer().params();
1472                 bool const hebrew =
1473                         par.getFontSettings(bufparams, pos).language()->lang() == "hebrew";
1474                 bool const allow_inset_quote = !(par.isPassThru() || hebrew);
1475
1476                 if (allow_inset_quote) {
1477                         char_type c = ' ';
1478                         if (pos > 0 && (!cur.prevInset() || !cur.prevInset()->isSpace()))
1479                                 c = par.getChar(pos - 1);
1480                         string const arg = to_utf8(cmd.argument());
1481                         InsetQuotes::QuoteTimes const quote_type = (arg == "single")
1482                                 ? InsetQuotes::SingleQuotes : InsetQuotes::DoubleQuotes;
1483                         cur.insert(new InsetQuotes(cur.buffer(), c, quote_type));
1484                         cur.posForward();
1485                 } else {
1486                         // The cursor might have been invalidated by the replaceSelection.
1487                         cur.buffer()->changed(true);
1488                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1489                 }
1490                 break;
1491         }
1492
1493         case LFUN_DATE_INSERT: {
1494                 string const format = cmd.argument().empty()
1495                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
1496                 string const time = formatted_time(current_time(), format);
1497                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
1498                 break;
1499         }
1500
1501         case LFUN_MOUSE_TRIPLE:
1502                 if (cmd.button() == mouse_button::button1) {
1503                         tm->cursorHome(cur);
1504                         cur.resetAnchor();
1505                         tm->cursorEnd(cur);
1506                         cur.setSelection();
1507                         bv->cursor() = cur;
1508                 }
1509                 break;
1510
1511         case LFUN_MOUSE_DOUBLE:
1512                 if (cmd.button() == mouse_button::button1) {
1513                         selectWord(cur, WHOLE_WORD_STRICT);
1514                         bv->cursor() = cur;
1515                 }
1516                 break;
1517
1518         // Single-click on work area
1519         case LFUN_MOUSE_PRESS: {
1520                 // We are not marking a selection with the keyboard in any case.
1521                 Cursor & bvcur = cur.bv().cursor();
1522                 bvcur.setMark(false);
1523                 switch (cmd.button()) {
1524                 case mouse_button::button1:
1525                         // Set the cursor
1526                         if (!bv->mouseSetCursor(cur, cmd.argument() == "region-select"))
1527                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1528                         if (bvcur.wordSelection())
1529                                 selectWord(bvcur, WHOLE_WORD);
1530                         break;
1531
1532                 case mouse_button::button2:
1533                         // Middle mouse pasting.
1534                         bv->mouseSetCursor(cur);
1535                         lyx::dispatch(
1536                                 FuncRequest(LFUN_COMMAND_ALTERNATIVES,
1537                                             "selection-paste ; primary-selection-paste paragraph"));
1538                         cur.noScreenUpdate();
1539                         break;
1540
1541                 case mouse_button::button3: {
1542                         // Don't do anything if we right-click a
1543                         // selection, a context menu will popup.
1544                         if (bvcur.selection() && cur >= bvcur.selectionBegin()
1545                             && cur < bvcur.selectionEnd()) {
1546                                 cur.noScreenUpdate();
1547                                 return;
1548                         }
1549                         if (!bv->mouseSetCursor(cur, false))
1550                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1551                         break;
1552                 }
1553
1554                 default:
1555                         break;
1556                 } // switch (cmd.button())
1557                 break;
1558         }
1559         case LFUN_MOUSE_MOTION: {
1560                 // Mouse motion with right or middle mouse do nothing for now.
1561                 if (cmd.button() != mouse_button::button1) {
1562                         cur.noScreenUpdate();
1563                         return;
1564                 }
1565                 // ignore motions deeper nested than the real anchor
1566                 Cursor & bvcur = cur.bv().cursor();
1567                 if (!bvcur.realAnchor().hasPart(cur)) {
1568                         cur.undispatched();
1569                         break;
1570                 }
1571                 CursorSlice old = bvcur.top();
1572
1573                 int const wh = bv->workHeight();
1574                 int const y = max(0, min(wh - 1, cmd.y()));
1575
1576                 tm->setCursorFromCoordinates(cur, cmd.x(), y);
1577                 cur.setTargetX(cmd.x());
1578                 if (cmd.y() >= wh)
1579                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1580                 else if (cmd.y() < 0)
1581                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1582                 // This is to allow jumping over large insets
1583                 if (cur.top() == old) {
1584                         if (cmd.y() >= wh)
1585                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1586                         else if (cmd.y() < 0)
1587                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1588                 }
1589                 // We continue with our existing selection or start a new one, so don't
1590                 // reset the anchor.
1591                 bvcur.setCursor(cur);
1592                 bvcur.setSelection(true);
1593                 if (cur.top() == old) {
1594                         // We didn't move one iota, so no need to update the screen.
1595                         cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1596                         //cur.noScreenUpdate();
1597                         return;
1598                 }
1599                 break;
1600         }
1601
1602         case LFUN_MOUSE_RELEASE:
1603                 switch (cmd.button()) {
1604                 case mouse_button::button1:
1605                         // Cursor was set at LFUN_MOUSE_PRESS or LFUN_MOUSE_MOTION time.
1606                         // If there is a new selection, update persistent selection;
1607                         // otherwise, single click does not clear persistent selection
1608                         // buffer.
1609                         if (cur.selection()) {
1610                                 // Finish selection. If double click,
1611                                 // cur is moved to the end of word by
1612                                 // selectWord but bvcur is current
1613                                 // mouse position.
1614                                 cur.bv().cursor().setSelection();
1615                                 // We might have removed an empty but drawn selection
1616                                 // (probably a margin)
1617                                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1618                         } else
1619                                 cur.noScreenUpdate();
1620                         // FIXME: We could try to handle drag and drop of selection here.
1621                         return;
1622
1623                 case mouse_button::button2:
1624                         // Middle mouse pasting is handled at mouse press time,
1625                         // see LFUN_MOUSE_PRESS.
1626                         cur.noScreenUpdate();
1627                         return;
1628
1629                 case mouse_button::button3:
1630                         // Cursor was set at LFUN_MOUSE_PRESS time.
1631                         // FIXME: If there is a selection we could try to handle a special
1632                         // drag & drop context menu.
1633                         cur.noScreenUpdate();
1634                         return;
1635
1636                 case mouse_button::none:
1637                 case mouse_button::button4:
1638                 case mouse_button::button5:
1639                         break;
1640                 } // switch (cmd.button())
1641
1642                 break;
1643
1644         case LFUN_SELF_INSERT: {
1645                 if (cmd.argument().empty())
1646                         break;
1647
1648                 // Automatically delete the currently selected
1649                 // text and replace it with what is being
1650                 // typed in now. Depends on lyxrc settings
1651                 // "auto_region_delete", which defaults to
1652                 // true (on).
1653
1654                 if (lyxrc.auto_region_delete && cur.selection())
1655                         cutSelection(cur, false, false);
1656
1657                 cur.clearSelection();
1658
1659                 docstring::const_iterator cit = cmd.argument().begin();
1660                 docstring::const_iterator const end = cmd.argument().end();
1661                 for (; cit != end; ++cit)
1662                         bv->translateAndInsert(*cit, this, cur);
1663
1664                 cur.resetAnchor();
1665                 moveCursor(cur, false);
1666                 cur.markNewWordPosition();
1667                 bv->bookmarkEditPosition();
1668                 break;
1669         }
1670
1671         case LFUN_HREF_INSERT: {
1672                 // FIXME If we're actually given an argument, shouldn't
1673                 // we use it, whether or not we have a selection?
1674                 docstring content = cmd.argument();
1675                 if (cur.selection()) {
1676                         content = cur.selectionAsString(false);
1677                         cutSelection(cur, true, false);
1678                 }
1679
1680                 InsetCommandParams p(HYPERLINK_CODE);
1681                 if (!content.empty()){
1682                         // if it looks like a link, we'll put it as target,
1683                         // otherwise as name (bug #8792).
1684
1685                         // We can't do:
1686                         //   regex_match(to_utf8(content), matches, link_re)
1687                         // because smatch stores pointers to the substrings rather
1688                         // than making copies of them. And those pointers become
1689                         // invalid after regex_match returns, since it is then
1690                         // being given a temporary object. (Thanks to Georg for
1691                         // figuring that out.)
1692                         regex const link_re("^([a-zA-Z]+):.*");
1693                         smatch matches;
1694                         string const c = to_utf8(content);
1695
1696                         if (content.substr(0,7) == "mailto:") {
1697                                 p["target"] = content;
1698                                 p["type"] = from_ascii("mailto:");
1699                         } else if (regex_match(c, matches, link_re)) {
1700                                 p["target"] = content;
1701                                 string protocol = matches.str(1);
1702                                 if (protocol == "file")
1703                                         p["type"] = from_ascii("file:");
1704                         } else
1705                                 p["name"] = content;
1706                 }
1707                 string const data = InsetCommand::params2string(p);
1708
1709                 // we need to have a target. if we already have one, then
1710                 // that gets used at the default for the name, too, which
1711                 // is probably what is wanted.
1712                 if (p["target"].empty()) {
1713                         bv->showDialog("href", data);
1714                 } else {
1715                         FuncRequest fr(LFUN_INSET_INSERT, data);
1716                         dispatch(cur, fr);
1717                 }
1718                 break;
1719         }
1720
1721         case LFUN_LABEL_INSERT: {
1722                 InsetCommandParams p(LABEL_CODE);
1723                 // Try to generate a valid label
1724                 p["name"] = (cmd.argument().empty()) ?
1725                         cur.getPossibleLabel() :
1726                         cmd.argument();
1727                 string const data = InsetCommand::params2string(p);
1728
1729                 if (cmd.argument().empty()) {
1730                         bv->showDialog("label", data);
1731                 } else {
1732                         FuncRequest fr(LFUN_INSET_INSERT, data);
1733                         dispatch(cur, fr);
1734                 }
1735                 break;
1736         }
1737
1738         case LFUN_INFO_INSERT: {
1739                 Inset * inset;
1740                 if (cmd.argument().empty() && cur.selection()) {
1741                         // if command argument is empty use current selection as parameter.
1742                         docstring ds = cur.selectionAsString(false);
1743                         cutSelection(cur, true, false);
1744                         FuncRequest cmd0(cmd, ds);
1745                         inset = createInset(cur.buffer(), cmd0);
1746                 } else {
1747                         inset = createInset(cur.buffer(), cmd);
1748                 }
1749                 if (!inset)
1750                         break;
1751                 cur.recordUndo();
1752                 insertInset(cur, inset);
1753                 cur.posForward();
1754                 break;
1755         }
1756         case LFUN_CAPTION_INSERT:
1757         case LFUN_FOOTNOTE_INSERT:
1758         case LFUN_NOTE_INSERT:
1759         case LFUN_BOX_INSERT:
1760         case LFUN_BRANCH_INSERT:
1761         case LFUN_PHANTOM_INSERT:
1762         case LFUN_ERT_INSERT:
1763         case LFUN_LISTING_INSERT:
1764         case LFUN_MARGINALNOTE_INSERT:
1765         case LFUN_ARGUMENT_INSERT:
1766         case LFUN_INDEX_INSERT:
1767         case LFUN_PREVIEW_INSERT:
1768         case LFUN_SCRIPT_INSERT:
1769         case LFUN_IPA_INSERT:
1770                 // Open the inset, and move the current selection
1771                 // inside it.
1772                 doInsertInset(cur, this, cmd, true, true);
1773                 cur.posForward();
1774                 // Some insets are numbered, others are shown in the outline pane so
1775                 // let's update the labels and the toc backend.
1776                 cur.forceBufferUpdate();
1777                 break;
1778
1779         case LFUN_FLEX_INSERT: {
1780                 // Open the inset, and move the current selection
1781                 // inside it.
1782                 bool const sel = cur.selection();
1783                 doInsertInset(cur, this, cmd, true, true);
1784                 // Insert auto-insert arguments
1785                 bool autoargs = false;
1786                 Layout::LaTeXArgMap args = cur.inset().getLayout().latexargs();
1787                 Layout::LaTeXArgMap::const_iterator lait = args.begin();
1788                 Layout::LaTeXArgMap::const_iterator const laend = args.end();
1789                 for (; lait != laend; ++lait) {
1790                         Layout::latexarg arg = (*lait).second;
1791                         if (arg.autoinsert) {
1792                                 // The cursor might have been invalidated by the replaceSelection.
1793                                 cur.buffer()->changed(true);
1794                                 FuncRequest cmd(LFUN_ARGUMENT_INSERT, (*lait).first);
1795                                 lyx::dispatch(cmd);
1796                                 autoargs = true;
1797                         }
1798                 }
1799                 if (!autoargs) {
1800                         if (sel)
1801                                 cur.leaveInset(cur.inset());
1802                         cur.posForward();
1803                 }
1804                 // Some insets are numbered, others are shown in the outline pane so
1805                 // let's update the labels and the toc backend.
1806                 cur.forceBufferUpdate();
1807                 break;
1808         }
1809
1810         case LFUN_TABULAR_INSERT:
1811                 // if there were no arguments, just open the dialog
1812                 if (doInsertInset(cur, this, cmd, false, true))
1813                         cur.posForward();
1814                 else
1815                         bv->showDialog("tabularcreate");
1816
1817                 break;
1818
1819         case LFUN_FLOAT_INSERT:
1820         case LFUN_FLOAT_WIDE_INSERT:
1821         case LFUN_WRAP_INSERT: {
1822                 // will some content be moved into the inset?
1823                 bool const content = cur.selection();
1824                 // does the content consist of multiple paragraphs?
1825                 bool const singlepar = (cur.selBegin().pit() == cur.selEnd().pit());
1826
1827                 doInsertInset(cur, this, cmd, true, true);
1828                 cur.posForward();
1829
1830                 // If some single-par content is moved into the inset,
1831                 // doInsertInset puts the cursor outside the inset.
1832                 // To insert the caption we put it back into the inset.
1833                 // FIXME cleanup doInsertInset to avoid such dances!
1834                 if (content && singlepar)
1835                         cur.backwardPos();
1836
1837                 ParagraphList & pars = cur.text()->paragraphs();
1838
1839                 DocumentClass const & tclass = bv->buffer().params().documentClass();
1840
1841                 // add a separate paragraph for the caption inset
1842                 pars.push_back(Paragraph());
1843                 pars.back().setInsetOwner(&cur.text()->inset());
1844                 pars.back().setPlainOrDefaultLayout(tclass);
1845                 int cap_pit = pars.size() - 1;
1846
1847                 // if an empty inset was created, we create an additional empty
1848                 // paragraph at the bottom so that the user can choose where to put
1849                 // the graphics (or table).
1850                 if (!content) {
1851                         pars.push_back(Paragraph());
1852                         pars.back().setInsetOwner(&cur.text()->inset());
1853                         pars.back().setPlainOrDefaultLayout(tclass);
1854                 }
1855
1856                 // reposition the cursor to the caption
1857                 cur.pit() = cap_pit;
1858                 cur.pos() = 0;
1859                 // FIXME: This Text/Cursor dispatch handling is a mess!
1860                 // We cannot use Cursor::dispatch here it needs access to up to
1861                 // date metrics.
1862                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1863                 doInsertInset(cur, cur.text(), cmd_caption, true, false);
1864                 cur.forceBufferUpdate();
1865                 cur.screenUpdateFlags(Update::Force);
1866                 // FIXME: When leaving the Float (or Wrap) inset we should
1867                 // delete any empty paragraph left above or below the
1868                 // caption.
1869                 break;
1870         }
1871
1872         case LFUN_NOMENCL_INSERT: {
1873                 InsetCommandParams p(NOMENCL_CODE);
1874                 if (cmd.argument().empty())
1875                         p["symbol"] = bv->cursor().innerText()->getStringToIndex(bv->cursor());
1876                 else
1877                         p["symbol"] = cmd.argument();
1878                 string const data = InsetCommand::params2string(p);
1879                 bv->showDialog("nomenclature", data);
1880                 break;
1881         }
1882
1883         case LFUN_INDEX_PRINT: {
1884                 InsetCommandParams p(INDEX_PRINT_CODE);
1885                 if (cmd.argument().empty())
1886                         p["type"] = from_ascii("idx");
1887                 else
1888                         p["type"] = cmd.argument();
1889                 string const data = InsetCommand::params2string(p);
1890                 FuncRequest fr(LFUN_INSET_INSERT, data);
1891                 dispatch(cur, fr);
1892                 break;
1893         }
1894
1895         case LFUN_NOMENCL_PRINT:
1896         case LFUN_NEWPAGE_INSERT:
1897                 // do nothing fancy
1898                 doInsertInset(cur, this, cmd, false, false);
1899                 cur.posForward();
1900                 break;
1901
1902         case LFUN_DEPTH_DECREMENT:
1903                 changeDepth(cur, DEC_DEPTH);
1904                 break;
1905
1906         case LFUN_DEPTH_INCREMENT:
1907                 changeDepth(cur, INC_DEPTH);
1908                 break;
1909
1910         case LFUN_MATH_DISPLAY:
1911                 mathDispatch(cur, cmd, true);
1912                 break;
1913
1914         case LFUN_REGEXP_MODE:
1915                 regexpDispatch(cur, cmd);
1916                 break;
1917
1918         case LFUN_MATH_MODE:
1919                 if (cmd.argument() == "on")
1920                         // don't pass "on" as argument
1921                         // (it would appear literally in the first cell)
1922                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1923                 else
1924                         mathDispatch(cur, cmd, false);
1925                 break;
1926
1927         case LFUN_MATH_MACRO:
1928                 if (cmd.argument().empty())
1929                         cur.errorMessage(from_utf8(N_("Missing argument")));
1930                 else {
1931                         cur.recordUndo();
1932                         string s = to_utf8(cmd.argument());
1933                         string const s1 = token(s, ' ', 1);
1934                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1935                         string const s2 = token(s, ' ', 2);
1936                         MacroType type = MacroTypeNewcommand;
1937                         if (s2 == "def")
1938                                 type = MacroTypeDef;
1939                         MathMacroTemplate * inset = new MathMacroTemplate(cur.buffer(),
1940                                 from_utf8(token(s, ' ', 0)), nargs, false, type);
1941                         inset->setBuffer(bv->buffer());
1942                         insertInset(cur, inset);
1943
1944                         // enter macro inset and select the name
1945                         cur.push(*inset);
1946                         cur.top().pos() = cur.top().lastpos();
1947                         cur.resetAnchor();
1948                         cur.setSelection(true);
1949                         cur.top().pos() = 0;
1950                 }
1951                 break;
1952
1953         // passthrough hat and underscore outside mathed:
1954         case LFUN_MATH_SUBSCRIPT:
1955                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1956                 break;
1957         case LFUN_MATH_SUPERSCRIPT:
1958                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1959                 break;
1960
1961         case LFUN_MATH_INSERT:
1962         case LFUN_MATH_AMS_MATRIX:
1963         case LFUN_MATH_MATRIX:
1964         case LFUN_MATH_DELIM:
1965         case LFUN_MATH_BIGDELIM: {
1966                 cur.recordUndo();
1967                 cap::replaceSelection(cur);
1968                 cur.insert(new InsetMathHull(cur.buffer(), hullSimple));
1969                 checkAndActivateInset(cur, true);
1970                 LASSERT(cur.inMathed(), break);
1971                 cur.dispatch(cmd);
1972                 break;
1973         }
1974
1975         case LFUN_FONT_EMPH: {
1976                 Font font(ignore_font, ignore_language);
1977                 font.fontInfo().setEmph(FONT_TOGGLE);
1978                 toggleAndShow(cur, this, font);
1979                 break;
1980         }
1981
1982         case LFUN_FONT_ITAL: {
1983                 Font font(ignore_font, ignore_language);
1984                 font.fontInfo().setShape(ITALIC_SHAPE);
1985                 toggleAndShow(cur, this, font);
1986                 break;
1987         }
1988
1989         case LFUN_FONT_BOLD:
1990         case LFUN_FONT_BOLDSYMBOL: {
1991                 Font font(ignore_font, ignore_language);
1992                 font.fontInfo().setSeries(BOLD_SERIES);
1993                 toggleAndShow(cur, this, font);
1994                 break;
1995         }
1996
1997         case LFUN_FONT_NOUN: {
1998                 Font font(ignore_font, ignore_language);
1999                 font.fontInfo().setNoun(FONT_TOGGLE);
2000                 toggleAndShow(cur, this, font);
2001                 break;
2002         }
2003
2004         case LFUN_FONT_TYPEWRITER: {
2005                 Font font(ignore_font, ignore_language);
2006                 font.fontInfo().setFamily(TYPEWRITER_FAMILY); // no good
2007                 toggleAndShow(cur, this, font);
2008                 break;
2009         }
2010
2011         case LFUN_FONT_SANS: {
2012                 Font font(ignore_font, ignore_language);
2013                 font.fontInfo().setFamily(SANS_FAMILY);
2014                 toggleAndShow(cur, this, font);
2015                 break;
2016         }
2017
2018         case LFUN_FONT_ROMAN: {
2019                 Font font(ignore_font, ignore_language);
2020                 font.fontInfo().setFamily(ROMAN_FAMILY);
2021                 toggleAndShow(cur, this, font);
2022                 break;
2023         }
2024
2025         case LFUN_FONT_DEFAULT: {
2026                 Font font(inherit_font, ignore_language);
2027                 toggleAndShow(cur, this, font);
2028                 break;
2029         }
2030
2031         case LFUN_FONT_STRIKEOUT: {
2032                 Font font(ignore_font, ignore_language);
2033                 font.fontInfo().setStrikeout(FONT_TOGGLE);
2034                 toggleAndShow(cur, this, font);
2035                 break;
2036         }
2037
2038         case LFUN_FONT_UNDERUNDERLINE: {
2039                 Font font(ignore_font, ignore_language);
2040                 font.fontInfo().setUuline(FONT_TOGGLE);
2041                 toggleAndShow(cur, this, font);
2042                 break;
2043         }
2044
2045         case LFUN_FONT_UNDERWAVE: {
2046                 Font font(ignore_font, ignore_language);
2047                 font.fontInfo().setUwave(FONT_TOGGLE);
2048                 toggleAndShow(cur, this, font);
2049                 break;
2050         }
2051
2052         case LFUN_FONT_UNDERLINE: {
2053                 Font font(ignore_font, ignore_language);
2054                 font.fontInfo().setUnderbar(FONT_TOGGLE);
2055                 toggleAndShow(cur, this, font);
2056                 break;
2057         }
2058
2059         case LFUN_FONT_SIZE: {
2060                 Font font(ignore_font, ignore_language);
2061                 setLyXSize(to_utf8(cmd.argument()), font.fontInfo());
2062                 toggleAndShow(cur, this, font);
2063                 break;
2064         }
2065
2066         case LFUN_LANGUAGE: {
2067                 string const lang_arg = cmd.getArg(0);
2068                 bool const reset = (lang_arg.empty() || lang_arg == "reset");
2069                 Language const * lang =
2070                         reset ? reset_language
2071                               : languages.getLanguage(lang_arg);
2072                 // we allow reset_language, which is 0, but only if it
2073                 // was requested via empty or "reset" arg.
2074                 if (!lang && !reset)
2075                         break;
2076                 bool const toggle = (cmd.getArg(1) != "set");
2077                 selectWordWhenUnderCursor(cur, WHOLE_WORD_STRICT);
2078                 Font font(ignore_font, lang);
2079                 toggleAndShow(cur, this, font, toggle);
2080                 break;
2081         }
2082
2083         case LFUN_TEXTSTYLE_APPLY:
2084                 toggleAndShow(cur, this, freefont, toggleall);
2085                 cur.message(_("Character set"));
2086                 break;
2087
2088         // Set the freefont using the contents of \param data dispatched from
2089         // the frontends and apply it at the current cursor location.
2090         case LFUN_TEXTSTYLE_UPDATE: {
2091                 Font font;
2092                 bool toggle;
2093                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
2094                         freefont = font;
2095                         toggleall = toggle;
2096                         toggleAndShow(cur, this, freefont, toggleall);
2097                         cur.message(_("Character set"));
2098                 } else {
2099                         lyxerr << "Argument not ok";
2100                 }
2101                 break;
2102         }
2103
2104         case LFUN_FINISHED_LEFT:
2105                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_LEFT:\n" << cur);
2106                 // We're leaving an inset, going left. If the inset is LTR, we're
2107                 // leaving from the front, so we should not move (remain at --- but
2108                 // not in --- the inset). If the inset is RTL, move left, without
2109                 // entering the inset itself; i.e., move to after the inset.
2110                 if (cur.paragraph().getFontSettings(
2111                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
2112                         cursorVisLeft(cur, true);
2113                 break;
2114
2115         case LFUN_FINISHED_RIGHT:
2116                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_RIGHT:\n" << cur);
2117                 // We're leaving an inset, going right. If the inset is RTL, we're
2118                 // leaving from the front, so we should not move (remain at --- but
2119                 // not in --- the inset). If the inset is LTR, move right, without
2120                 // entering the inset itself; i.e., move to after the inset.
2121                 if (!cur.paragraph().getFontSettings(
2122                                 cur.bv().buffer().params(), cur.pos()).isRightToLeft())
2123                         cursorVisRight(cur, true);
2124                 break;
2125
2126         case LFUN_FINISHED_BACKWARD:
2127                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_BACKWARD:\n" << cur);
2128                 break;
2129
2130         case LFUN_FINISHED_FORWARD:
2131                 LYXERR(Debug::DEBUG, "handle LFUN_FINISHED_FORWARD:\n" << cur);
2132                 ++cur.pos();
2133                 cur.setCurrentFont();
2134                 break;
2135
2136         case LFUN_LAYOUT_PARAGRAPH: {
2137                 string data;
2138                 params2string(cur.paragraph(), data);
2139                 data = "show\n" + data;
2140                 bv->showDialog("paragraph", data);
2141                 break;
2142         }
2143
2144         case LFUN_PARAGRAPH_UPDATE: {
2145                 string data;
2146                 params2string(cur.paragraph(), data);
2147
2148                 // Will the paragraph accept changes from the dialog?
2149                 bool const accept =
2150                         cur.inset().allowParagraphCustomization(cur.idx());
2151
2152                 data = "update " + convert<string>(accept) + '\n' + data;
2153                 bv->updateDialog("paragraph", data);
2154                 break;
2155         }
2156
2157         case LFUN_ACCENT_UMLAUT:
2158         case LFUN_ACCENT_CIRCUMFLEX:
2159         case LFUN_ACCENT_GRAVE:
2160         case LFUN_ACCENT_ACUTE:
2161         case LFUN_ACCENT_TILDE:
2162         case LFUN_ACCENT_CEDILLA:
2163         case LFUN_ACCENT_MACRON:
2164         case LFUN_ACCENT_DOT:
2165         case LFUN_ACCENT_UNDERDOT:
2166         case LFUN_ACCENT_UNDERBAR:
2167         case LFUN_ACCENT_CARON:
2168         case LFUN_ACCENT_BREVE:
2169         case LFUN_ACCENT_TIE:
2170         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2171         case LFUN_ACCENT_CIRCLE:
2172         case LFUN_ACCENT_OGONEK:
2173                 theApp()->handleKeyFunc(cmd.action());
2174                 if (!cmd.argument().empty())
2175                         // FIXME: Are all these characters encoded in one byte in utf8?
2176                         bv->translateAndInsert(cmd.argument()[0], this, cur);
2177                 cur.screenUpdateFlags(Update::FitCursor);
2178                 break;
2179
2180         case LFUN_FLOAT_LIST_INSERT: {
2181                 DocumentClass const & tclass = bv->buffer().params().documentClass();
2182                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
2183                         cur.recordUndo();
2184                         if (cur.selection())
2185                                 cutSelection(cur, true, false);
2186                         breakParagraph(cur);
2187
2188                         if (cur.lastpos() != 0) {
2189                                 cursorBackward(cur);
2190                                 breakParagraph(cur);
2191                         }
2192
2193                         docstring const laystr = cur.inset().usePlainLayout() ?
2194                                 tclass.plainLayoutName() :
2195                                 tclass.defaultLayoutName();
2196                         setLayout(cur, laystr);
2197                         ParagraphParameters p;
2198                         // FIXME If this call were replaced with one to clearParagraphParams(),
2199                         // then we could get rid of this method altogether.
2200                         setParagraphs(cur, p);
2201                         // FIXME This should be simplified when InsetFloatList takes a
2202                         // Buffer in its constructor.
2203                         InsetFloatList * ifl = new InsetFloatList(cur.buffer(), to_utf8(cmd.argument()));
2204                         ifl->setBuffer(bv->buffer());
2205                         insertInset(cur, ifl);
2206                         cur.posForward();
2207                 } else {
2208                         lyxerr << "Non-existent float type: "
2209                                << to_utf8(cmd.argument()) << endl;
2210                 }
2211                 break;
2212         }
2213
2214         case LFUN_CHANGE_ACCEPT: {
2215                 acceptOrRejectChanges(cur, ACCEPT);
2216                 break;
2217         }
2218
2219         case LFUN_CHANGE_REJECT: {
2220                 acceptOrRejectChanges(cur, REJECT);
2221                 break;
2222         }
2223
2224         case LFUN_THESAURUS_ENTRY: {
2225                 docstring arg = cmd.argument();
2226                 if (arg.empty()) {
2227                         arg = cur.selectionAsString(false);
2228                         // FIXME
2229                         if (arg.size() > 100 || arg.empty()) {
2230                                 // Get word or selection
2231                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2232                                 arg = cur.selectionAsString(false);
2233                                 arg += " lang=" + from_ascii(cur.getFont().language()->lang());
2234                         }
2235                 }
2236                 bv->showDialog("thesaurus", to_utf8(arg));
2237                 break;
2238         }
2239
2240         case LFUN_SPELLING_ADD: {
2241                 docstring word = from_utf8(cmd.getArg(0));
2242                 Language * lang;
2243                 if (word.empty()) {
2244                         word = cur.selectionAsString(false);
2245                         // FIXME
2246                         if (word.size() > 100 || word.empty()) {
2247                                 // Get word or selection
2248                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2249                                 word = cur.selectionAsString(false);
2250                         }
2251                         lang = const_cast<Language *>(cur.getFont().language());
2252                 } else
2253                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2254                 WordLangTuple wl(word, lang);
2255                 theSpellChecker()->insert(wl);
2256                 break;
2257         }
2258
2259         case LFUN_SPELLING_IGNORE: {
2260                 docstring word = from_utf8(cmd.getArg(0));
2261                 Language * lang;
2262                 if (word.empty()) {
2263                         word = cur.selectionAsString(false);
2264                         // FIXME
2265                         if (word.size() > 100 || word.empty()) {
2266                                 // Get word or selection
2267                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2268                                 word = cur.selectionAsString(false);
2269                         }
2270                         lang = const_cast<Language *>(cur.getFont().language());
2271                 } else
2272                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2273                 WordLangTuple wl(word, lang);
2274                 theSpellChecker()->accept(wl);
2275                 break;
2276         }
2277
2278         case LFUN_SPELLING_REMOVE: {
2279                 docstring word = from_utf8(cmd.getArg(0));
2280                 Language * lang;
2281                 if (word.empty()) {
2282                         word = cur.selectionAsString(false);
2283                         // FIXME
2284                         if (word.size() > 100 || word.empty()) {
2285                                 // Get word or selection
2286                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
2287                                 word = cur.selectionAsString(false);
2288                         }
2289                         lang = const_cast<Language *>(cur.getFont().language());
2290                 } else
2291                         lang = const_cast<Language *>(languages.getLanguage(cmd.getArg(1)));
2292                 WordLangTuple wl(word, lang);
2293                 theSpellChecker()->remove(wl);
2294                 break;
2295         }
2296
2297         case LFUN_PARAGRAPH_PARAMS_APPLY: {
2298                 // Given data, an encoding of the ParagraphParameters
2299                 // generated in the Paragraph dialog, this function sets
2300                 // the current paragraph, or currently selected paragraphs,
2301                 // appropriately.
2302                 // NOTE: This function overrides all existing settings.
2303                 setParagraphs(cur, cmd.argument());
2304                 cur.message(_("Paragraph layout set"));
2305                 break;
2306         }
2307
2308         case LFUN_PARAGRAPH_PARAMS: {
2309                 // Given data, an encoding of the ParagraphParameters as we'd
2310                 // find them in a LyX file, this function modifies the current paragraph,
2311                 // or currently selected paragraphs.
2312                 // NOTE: This function only modifies, and does not override, existing
2313                 // settings.
2314                 setParagraphs(cur, cmd.argument(), true);
2315                 cur.message(_("Paragraph layout set"));
2316                 break;
2317         }
2318
2319         case LFUN_ESCAPE:
2320                 if (cur.selection()) {
2321                         cur.setSelection(false);
2322                 } else {
2323                         cur.undispatched();
2324                         // This used to be LFUN_FINISHED_RIGHT, I think FORWARD is more
2325                         // correct, but I'm not 100% sure -- dov, 071019
2326                         cmd = FuncRequest(LFUN_FINISHED_FORWARD);
2327                 }
2328                 break;
2329
2330         case LFUN_OUTLINE_UP:
2331                 outline(OutlineUp, cur);
2332                 setCursor(cur, cur.pit(), 0);
2333                 cur.forceBufferUpdate();
2334                 needsUpdate = true;
2335                 break;
2336
2337         case LFUN_OUTLINE_DOWN:
2338                 outline(OutlineDown, cur);
2339                 setCursor(cur, cur.pit(), 0);
2340                 cur.forceBufferUpdate();
2341                 needsUpdate = true;
2342                 break;
2343
2344         case LFUN_OUTLINE_IN:
2345                 outline(OutlineIn, cur);
2346                 cur.forceBufferUpdate();
2347                 needsUpdate = true;
2348                 break;
2349
2350         case LFUN_OUTLINE_OUT:
2351                 outline(OutlineOut, cur);
2352                 cur.forceBufferUpdate();
2353                 needsUpdate = true;
2354                 break;
2355
2356         default:
2357                 LYXERR(Debug::ACTION, "Command " << cmd << " not DISPATCHED by Text");
2358                 cur.undispatched();
2359                 break;
2360         }
2361
2362         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
2363
2364         if (lyxrc.spellcheck_continuously && !needsUpdate) {
2365                 // Check for misspelled text
2366                 // The redraw is useful because of the painting of
2367                 // misspelled markers depends on the cursor position.
2368                 // Trigger a redraw for cursor moves inside misspelled text.
2369                 if (!cur.inTexted()) {
2370                         // move from regular text to math
2371                         needsUpdate = last_misspelled;
2372                 } else if (oldTopSlice != cur.top() || oldBoundary != cur.boundary()) {
2373                         // move inside regular text
2374                         needsUpdate = last_misspelled
2375                                 || cur.paragraph().isMisspelled(cur.pos(), true);
2376                 }
2377         }
2378
2379         // FIXME: The cursor flag is reset two lines below
2380         // so we need to check here if some of the LFUN did touch that.
2381         // for now only Text::erase() and Text::backspace() do that.
2382         // The plan is to verify all the LFUNs and then to remove this
2383         // singleParUpdate boolean altogether.
2384         if (cur.result().screenUpdate() & Update::Force) {
2385                 singleParUpdate = false;
2386                 needsUpdate = true;
2387         }
2388
2389         // FIXME: the following code should go in favor of fine grained
2390         // update flag treatment.
2391         if (singleParUpdate) {
2392                 // Inserting characters does not change par height in general. So, try
2393                 // to update _only_ this paragraph. BufferView will detect if a full
2394                 // metrics update is needed anyway.
2395                 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
2396                 return;
2397         }
2398         if (!needsUpdate
2399             && &oldTopSlice.inset() == &cur.inset()
2400             && oldTopSlice.idx() == cur.idx()
2401             && !oldSelection // oldSelection is a backup of cur.selection() at the beginning of the function.
2402             && !cur.selection())
2403                 // FIXME: it would be better if we could just do this
2404                 //
2405                 //if (cur.result().update() != Update::FitCursor)
2406                 //      cur.noScreenUpdate();
2407                 //
2408                 // But some LFUNs do not set Update::FitCursor when needed, so we
2409                 // do it for all. This is not very harmfull as FitCursor will provoke
2410                 // a full redraw only if needed but still, a proper review of all LFUN
2411                 // should be done and this needsUpdate boolean can then be removed.
2412                 cur.screenUpdateFlags(Update::FitCursor);
2413         else
2414                 cur.screenUpdateFlags(Update::Force | Update::FitCursor);
2415 }
2416
2417
2418 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
2419                         FuncStatus & flag) const
2420 {
2421         LBUFERR(this == cur.text());
2422
2423         FontInfo const & fontinfo = cur.real_current_font.fontInfo();
2424         bool enable = true;
2425         bool allow_in_passthru = false;
2426         InsetCode code = NO_CODE;
2427
2428         switch (cmd.action()) {
2429
2430         case LFUN_DEPTH_DECREMENT:
2431                 enable = changeDepthAllowed(cur, DEC_DEPTH);
2432                 break;
2433
2434         case LFUN_DEPTH_INCREMENT:
2435                 enable = changeDepthAllowed(cur, INC_DEPTH);
2436                 break;
2437
2438         case LFUN_APPENDIX:
2439                 // FIXME We really should not allow this to be put, e.g.,
2440                 // in a footnote, or in ERT. But it would make sense in a
2441                 // branch, so I'm not sure what to do.
2442                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
2443                 break;
2444
2445         case LFUN_DIALOG_SHOW_NEW_INSET:
2446                 if (cmd.argument() == "bibitem")
2447                         code = BIBITEM_CODE;
2448                 else if (cmd.argument() == "bibtex") {
2449                         code = BIBTEX_CODE;
2450                         // not allowed in description items
2451                         enable = !inDescriptionItem(cur);
2452                 }
2453                 else if (cmd.argument() == "box")
2454                         code = BOX_CODE;
2455                 else if (cmd.argument() == "branch")
2456                         code = BRANCH_CODE;
2457                 else if (cmd.argument() == "citation")
2458                         code = CITE_CODE;
2459                 else if (cmd.argument() == "ert")
2460                         code = ERT_CODE;
2461                 else if (cmd.argument() == "external")
2462                         code = EXTERNAL_CODE;
2463                 else if (cmd.argument() == "float")
2464                         code = FLOAT_CODE;
2465                 else if (cmd.argument() == "graphics")
2466                         code = GRAPHICS_CODE;
2467                 else if (cmd.argument() == "href")
2468                         code = HYPERLINK_CODE;
2469                 else if (cmd.argument() == "include")
2470                         code = INCLUDE_CODE;
2471                 else if (cmd.argument() == "index")
2472                         code = INDEX_CODE;
2473                 else if (cmd.argument() == "index_print")
2474                         code = INDEX_PRINT_CODE;
2475                 else if (cmd.argument() == "nomenclature")
2476                         code = NOMENCL_CODE;
2477                 else if (cmd.argument() == "nomencl_print")
2478                         code = NOMENCL_PRINT_CODE;
2479                 else if (cmd.argument() == "label")
2480                         code = LABEL_CODE;
2481                 else if (cmd.argument() == "line")
2482                         code = LINE_CODE;
2483                 else if (cmd.argument() == "note")
2484                         code = NOTE_CODE;
2485                 else if (cmd.argument() == "phantom")
2486                         code = PHANTOM_CODE;
2487                 else if (cmd.argument() == "ref")
2488                         code = REF_CODE;
2489                 else if (cmd.argument() == "space")
2490                         code = SPACE_CODE;
2491                 else if (cmd.argument() == "toc")
2492                         code = TOC_CODE;
2493                 else if (cmd.argument() == "vspace")
2494                         code = VSPACE_CODE;
2495                 else if (cmd.argument() == "wrap")
2496                         code = WRAP_CODE;
2497                 else if (cmd.argument() == "listings")
2498                         code = LISTINGS_CODE;
2499                 break;
2500
2501         case LFUN_ERT_INSERT:
2502                 code = ERT_CODE;
2503                 break;
2504         case LFUN_LISTING_INSERT:
2505                 code = LISTINGS_CODE;
2506                 // not allowed in description items
2507                 enable = !inDescriptionItem(cur);
2508                 break;
2509         case LFUN_FOOTNOTE_INSERT:
2510                 code = FOOT_CODE;
2511                 break;
2512         case LFUN_TABULAR_INSERT:
2513                 code = TABULAR_CODE;
2514                 break;
2515         case LFUN_MARGINALNOTE_INSERT:
2516                 code = MARGIN_CODE;
2517                 break;
2518         case LFUN_FLOAT_INSERT:
2519         case LFUN_FLOAT_WIDE_INSERT:
2520                 // FIXME: If there is a selection, we should check whether there
2521                 // are floats in the selection, but this has performance issues, see
2522                 // LFUN_CHANGE_ACCEPT/REJECT.
2523                 code = FLOAT_CODE;
2524                 if (inDescriptionItem(cur))
2525                         // not allowed in description items
2526                         enable = false;
2527                 else {
2528                         InsetCode const inset_code = cur.inset().lyxCode();
2529
2530                         // algorithm floats cannot be put in another float
2531                         if (to_utf8(cmd.argument()) == "algorithm") {
2532                                 enable = inset_code != WRAP_CODE && inset_code != FLOAT_CODE;
2533                                 break;
2534                         }
2535
2536                         // for figures and tables: only allow in another
2537                         // float or wrap if it is of the same type and
2538                         // not a subfloat already
2539                         if(cur.inset().lyxCode() == code) {
2540                                 InsetFloat const & ins =
2541                                         static_cast<InsetFloat const &>(cur.inset());
2542                                 enable = ins.params().type == to_utf8(cmd.argument())
2543                                         && !ins.params().subfloat;
2544                         } else if(cur.inset().lyxCode() == WRAP_CODE) {
2545                                 InsetWrap const & ins =
2546                                         static_cast<InsetWrap const &>(cur.inset());
2547                                 enable = ins.params().type == to_utf8(cmd.argument());
2548                         }
2549                 }
2550                 break;
2551         case LFUN_WRAP_INSERT:
2552                 code = WRAP_CODE;
2553                 // not allowed in description items
2554                 enable = !inDescriptionItem(cur);
2555                 break;
2556         case LFUN_FLOAT_LIST_INSERT: {
2557                 code = FLOAT_LIST_CODE;
2558                 // not allowed in description items
2559                 enable = !inDescriptionItem(cur);
2560                 if (enable) {
2561                         FloatList const & floats = cur.buffer()->params().documentClass().floats();
2562                         FloatList::const_iterator cit = floats[to_ascii(cmd.argument())];
2563                         // make sure we know about such floats
2564                         if (cit == floats.end() ||
2565                                         // and that we know how to generate a list of them
2566                             (!cit->second.usesFloatPkg() && cit->second.listCommand().empty())) {
2567                                 flag.setUnknown(true);
2568                                 // probably not necessary, but...
2569                                 enable = false;
2570                         }
2571                 }
2572                 break;
2573         }
2574         case LFUN_CAPTION_INSERT: {
2575                 code = CAPTION_CODE;
2576                 string arg = cmd.getArg(0);
2577                 bool varia = arg != "LongTableNoNumber";
2578                 if (cur.depth() > 0) {
2579                         if (&cur[cur.depth() - 1].inset())
2580                                 varia = cur[cur.depth() - 1].inset().allowsCaptionVariation(arg);
2581                 }
2582                 // not allowed in description items,
2583                 // and in specific insets
2584                 enable = !inDescriptionItem(cur)
2585                         && (varia || arg.empty() || arg == "Standard");
2586                 break;
2587         }
2588         case LFUN_NOTE_INSERT:
2589                 code = NOTE_CODE;
2590                 // in commands (sections etc.) and description items,
2591                 // only Notes are allowed
2592                 enable = (cmd.argument().empty() || cmd.getArg(0) == "Note" ||
2593                           (!cur.paragraph().layout().isCommand()
2594                            && !inDescriptionItem(cur)));
2595                 break;
2596         case LFUN_FLEX_INSERT: {
2597                 code = FLEX_CODE;
2598                 string s = cmd.getArg(0);
2599                 InsetLayout il =
2600                         cur.buffer()->params().documentClass().insetLayout(from_utf8(s));
2601                 if (il.lyxtype() != InsetLayout::CHARSTYLE &&
2602                     il.lyxtype() != InsetLayout::CUSTOM &&
2603                     il.lyxtype() != InsetLayout::ELEMENT &&
2604                     il.lyxtype ()!= InsetLayout::STANDARD)
2605                         enable = false;
2606                 break;
2607                 }
2608         case LFUN_BOX_INSERT:
2609                 code = BOX_CODE;
2610                 break;
2611         case LFUN_BRANCH_INSERT:
2612                 code = BRANCH_CODE;
2613                 if (cur.buffer()->masterBuffer()->params().branchlist().empty()
2614                     && cur.buffer()->params().branchlist().empty())
2615                         enable = false;
2616                 break;
2617         case LFUN_IPA_INSERT:
2618                 code = IPA_CODE;
2619                 break;
2620         case LFUN_PHANTOM_INSERT:
2621                 code = PHANTOM_CODE;
2622                 break;
2623         case LFUN_LABEL_INSERT:
2624                 code = LABEL_CODE;
2625                 break;
2626         case LFUN_INFO_INSERT:
2627                 code = INFO_CODE;
2628                 break;
2629         case LFUN_ARGUMENT_INSERT: {
2630                 code = ARG_CODE;
2631                 allow_in_passthru = true;
2632                 string const arg = cmd.getArg(0);
2633                 if (arg.empty()) {
2634                         enable = false;
2635                         break;
2636                 }
2637                 Layout const & lay = cur.paragraph().layout();
2638                 Layout::LaTeXArgMap args = lay.args();
2639                 Layout::LaTeXArgMap::const_iterator const lait =
2640                                 args.find(arg);
2641                 if (lait != args.end()) {
2642                         enable = true;
2643                         pit_type pit = cur.pit();
2644                         pit_type lastpit = cur.pit();
2645                         if (lay.isEnvironment() && !prefixIs(arg, "item:")) {
2646                                 // In a sequence of "merged" environment layouts, we only allow
2647                                 // non-item arguments once.
2648                                 lastpit = cur.lastpit();
2649                                 // get the first paragraph in sequence with this layout
2650                                 depth_type const current_depth = cur.paragraph().params().depth();
2651                                 while (true) {
2652                                         if (pit == 0)
2653                                                 break;
2654                                         Paragraph cpar = pars_[pit - 1];
2655                                         if (cpar.layout() == lay && cpar.params().depth() == current_depth)
2656                                                 --pit;
2657                                         else
2658                                                 break;
2659                                 }
2660                         }
2661                         for (; pit <= lastpit; ++pit) {
2662                                 if (pars_[pit].layout() != lay)
2663                                         break;
2664                                 InsetList::const_iterator it = pars_[pit].insetList().begin();
2665                                 InsetList::const_iterator end = pars_[pit].insetList().end();
2666                                 for (; it != end; ++it) {
2667                                         if (it->inset->lyxCode() == ARG_CODE) {
2668                                                 InsetArgument const * ins =
2669                                                         static_cast<InsetArgument const *>(it->inset);
2670                                                 if (ins->name() == arg) {
2671                                                         // we have this already
2672                                                         enable = false;
2673                                                         break;
2674                                                 }
2675                                         }
2676                                 }
2677                         }
2678                 } else
2679                         enable = false;
2680                 break;
2681         }
2682         case LFUN_INDEX_INSERT:
2683                 code = INDEX_CODE;
2684                 break;
2685         case LFUN_INDEX_PRINT:
2686                 code = INDEX_PRINT_CODE;
2687                 // not allowed in description items
2688                 enable = !inDescriptionItem(cur);
2689                 break;
2690         case LFUN_NOMENCL_INSERT:
2691                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2692                         enable = false;
2693                         break;
2694                 }
2695                 code = NOMENCL_CODE;
2696                 break;
2697         case LFUN_NOMENCL_PRINT:
2698                 code = NOMENCL_PRINT_CODE;
2699                 // not allowed in description items
2700                 enable = !inDescriptionItem(cur);
2701                 break;
2702         case LFUN_HREF_INSERT:
2703                 if (cur.selIsMultiCell() || cur.selIsMultiLine()) {
2704                         enable = false;
2705                         break;
2706                 }
2707                 code = HYPERLINK_CODE;
2708                 break;
2709         case LFUN_IPAMACRO_INSERT: {
2710                 string const arg = cmd.getArg(0);
2711                 if (arg == "deco")
2712                         code = IPADECO_CODE;
2713                 else
2714                         code = IPACHAR_CODE;
2715                 break;
2716         }
2717         case LFUN_QUOTE_INSERT:
2718                 // always allow this, since we will inset a raw quote
2719                 // if an inset is not allowed.
2720                 break;
2721         case LFUN_SPECIALCHAR_INSERT:
2722                 code = SPECIALCHAR_CODE;
2723                 break;
2724         case LFUN_SPACE_INSERT:
2725                 // slight hack: we know this is allowed in math mode
2726                 if (cur.inTexted())
2727                         code = SPACE_CODE;
2728                 break;
2729         case LFUN_PREVIEW_INSERT:
2730                 code = PREVIEW_CODE;
2731                 break;
2732         case LFUN_SCRIPT_INSERT:
2733                 code = SCRIPT_CODE;
2734                 break;
2735
2736         case LFUN_MATH_INSERT:
2737         case LFUN_MATH_AMS_MATRIX:
2738         case LFUN_MATH_MATRIX:
2739         case LFUN_MATH_DELIM:
2740         case LFUN_MATH_BIGDELIM:
2741         case LFUN_MATH_DISPLAY:
2742         case LFUN_MATH_MODE:
2743         case LFUN_MATH_MACRO:
2744         case LFUN_MATH_SUBSCRIPT:
2745         case LFUN_MATH_SUPERSCRIPT:
2746                 code = MATH_HULL_CODE;
2747                 break;
2748
2749         case LFUN_REGEXP_MODE:
2750                 code = MATH_HULL_CODE;
2751                 enable = cur.buffer()->isInternal() && !cur.inRegexped();
2752                 break;
2753
2754         case LFUN_INSET_MODIFY:
2755                 // We need to disable this, because we may get called for a
2756                 // tabular cell via
2757                 // InsetTabular::getStatus() -> InsetText::getStatus()
2758                 // and we don't handle LFUN_INSET_MODIFY.
2759                 enable = false;
2760                 break;
2761
2762         case LFUN_FONT_EMPH:
2763                 flag.setOnOff(fontinfo.emph() == FONT_ON);
2764                 enable = !cur.paragraph().isPassThru();
2765                 break;
2766
2767         case LFUN_FONT_ITAL:
2768                 flag.setOnOff(fontinfo.shape() == ITALIC_SHAPE);
2769                 enable = !cur.paragraph().isPassThru();
2770                 break;
2771
2772         case LFUN_FONT_NOUN:
2773                 flag.setOnOff(fontinfo.noun() == FONT_ON);
2774                 enable = !cur.paragraph().isPassThru();
2775                 break;
2776
2777         case LFUN_FONT_BOLD:
2778         case LFUN_FONT_BOLDSYMBOL:
2779                 flag.setOnOff(fontinfo.series() == BOLD_SERIES);
2780                 enable = !cur.paragraph().isPassThru();
2781                 break;
2782
2783         case LFUN_FONT_SANS:
2784                 flag.setOnOff(fontinfo.family() == SANS_FAMILY);
2785                 enable = !cur.paragraph().isPassThru();
2786                 break;
2787
2788         case LFUN_FONT_ROMAN:
2789                 flag.setOnOff(fontinfo.family() == ROMAN_FAMILY);
2790                 enable = !cur.paragraph().isPassThru();
2791                 break;
2792
2793         case LFUN_FONT_TYPEWRITER:
2794                 flag.setOnOff(fontinfo.family() == TYPEWRITER_FAMILY);
2795                 enable = !cur.paragraph().isPassThru();
2796                 break;
2797
2798         case LFUN_CUT:
2799         case LFUN_COPY:
2800                 enable = cur.selection();
2801                 break;
2802
2803         case LFUN_PASTE: {
2804                 if (cmd.argument().empty()) {
2805                         if (theClipboard().isInternal())
2806                                 enable = cap::numberOfSelections() > 0;
2807                         else
2808                                 enable = !theClipboard().empty();
2809                         break;
2810                 }
2811
2812                 // we have an argument
2813                 string const arg = to_utf8(cmd.argument());
2814                 if (isStrUnsignedInt(arg)) {
2815                         // it's a number and therefore means the internal stack
2816                         unsigned int n = convert<unsigned int>(arg);
2817                         enable = cap::numberOfSelections() > n;
2818                         break;
2819                 }
2820
2821                 // explicit text type?
2822                 if (arg == "html") {
2823                         // Do not enable for PlainTextType, since some tidying in the
2824                         // frontend is needed for HTML, which is too unsafe for plain text.
2825                         enable = theClipboard().hasTextContents(Clipboard::HtmlTextType);
2826                         break;
2827                 } else if (arg == "latex") {
2828                         // LaTeX is usually not available on the clipboard with
2829                         // the correct MIME type, but in plain text.
2830                         enable = theClipboard().hasTextContents(Clipboard::PlainTextType) ||
2831                                  theClipboard().hasTextContents(Clipboard::LaTeXTextType);
2832                         break;
2833                 }
2834
2835                 // explicit graphics type?
2836                 Clipboard::GraphicsType type = Clipboard::AnyGraphicsType;
2837                 if ((arg == "pdf" && (type = Clipboard::PdfGraphicsType))
2838                           || (arg == "png" && (type = Clipboard::PngGraphicsType))
2839                           || (arg == "jpeg" && (type = Clipboard::JpegGraphicsType))
2840                           || (arg == "linkback" &&  (type = Clipboard::LinkBackGraphicsType))
2841                           || (arg == "emf" &&  (type = Clipboard::EmfGraphicsType))
2842                           || (arg == "wmf" &&  (type = Clipboard::WmfGraphicsType))) {
2843                         enable = theClipboard().hasGraphicsContents(type);
2844                         break;
2845                 }
2846
2847                 // unknown argument
2848                 enable = false;
2849                 break;
2850          }
2851
2852         case LFUN_CLIPBOARD_PASTE:
2853         case LFUN_CLIPBOARD_PASTE_SIMPLE:
2854                 enable = !theClipboard().empty();
2855                 break;
2856
2857         case LFUN_PRIMARY_SELECTION_PASTE:
2858                 enable = cur.selection() || !theSelection().empty();
2859                 break;
2860
2861         case LFUN_SELECTION_PASTE:
2862                 enable = cap::selection();
2863                 break;
2864
2865         case LFUN_PARAGRAPH_MOVE_UP:
2866                 enable = cur.pit() > 0 && !cur.selection();
2867                 break;
2868
2869         case LFUN_PARAGRAPH_MOVE_DOWN:
2870                 enable = cur.pit() < cur.lastpit() && !cur.selection();
2871                 break;
2872
2873         case LFUN_CHANGE_ACCEPT:
2874         case LFUN_CHANGE_REJECT:
2875                 // In principle, these LFUNs should only be enabled if there
2876                 // is a change at the current position/in the current selection.
2877                 // However, without proper optimizations, this will inevitably
2878                 // result in unacceptable performance - just imagine a user who
2879                 // wants to select the complete content of a long document.
2880                 if (!cur.selection())
2881                         enable = cur.paragraph().isChanged(cur.pos());
2882                 else
2883                         // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
2884                         // for selections.
2885                         enable = true;
2886                 break;
2887
2888         case LFUN_OUTLINE_UP:
2889         case LFUN_OUTLINE_DOWN:
2890         case LFUN_OUTLINE_IN:
2891         case LFUN_OUTLINE_OUT:
2892                 // FIXME: LyX is not ready for outlining within inset.
2893                 enable = isMainText()
2894                         && cur.buffer()->text().getTocLevel(cur.pit()) != Layout::NOT_IN_TOC;
2895                 break;
2896
2897         case LFUN_NEWLINE_INSERT:
2898                 // LaTeX restrictions (labels or empty par)
2899                 enable = (cur.pos() > cur.paragraph().beginOfBody());
2900                 break;
2901
2902         case LFUN_TAB_INSERT:
2903         case LFUN_TAB_DELETE:
2904                 enable = cur.paragraph().isPassThru();
2905                 break;
2906
2907         case LFUN_SET_GRAPHICS_GROUP: {
2908                 InsetGraphics * ins = graphics::getCurrentGraphicsInset(cur);
2909                 if (!ins)
2910                         enable = false;
2911                 else
2912                         flag.setOnOff(to_utf8(cmd.argument()) == ins->getParams().groupId);
2913                 break;
2914         }
2915
2916         case LFUN_NEWPAGE_INSERT:
2917                 // not allowed in description items
2918                 code = NEWPAGE_CODE;
2919                 enable = !inDescriptionItem(cur);
2920                 break;
2921
2922         case LFUN_DATE_INSERT: {
2923                 string const format = cmd.argument().empty()
2924                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
2925                 enable = support::os::is_valid_strftime(format);
2926                 break;
2927         }
2928
2929         case LFUN_LANGUAGE:
2930                 enable = !cur.paragraph().isPassThru();
2931                 flag.setOnOff(cmd.getArg(0) == cur.real_current_font.language()->lang());
2932                 break;
2933
2934         case LFUN_PARAGRAPH_BREAK:
2935                 enable = cur.inset().getLayout().isMultiPar();
2936                 break;
2937
2938         case LFUN_SPELLING_ADD:
2939         case LFUN_SPELLING_IGNORE:
2940         case LFUN_SPELLING_REMOVE:
2941                 enable = theSpellChecker();
2942                 break;
2943
2944         case LFUN_LAYOUT:
2945                 enable = !cur.inset().forcePlainLayout();
2946                 break;
2947
2948         case LFUN_ENVIRONMENT_SPLIT: {
2949                 if (!cur.buffer()->params().documentClass().hasLayout(from_ascii("Separator"))) {
2950                         enable = false;
2951                         break;
2952                 }
2953                 if (cmd.argument() == "outer") {
2954                         // check if we have an environment in our nesting hierarchy
2955                         bool res = false;
2956                         depth_type const current_depth = cur.paragraph().params().depth();
2957                         pit_type pit = cur.pit();
2958                         Paragraph cpar = pars_[pit];
2959                         while (true) {
2960                                 if (pit == 0 || cpar.params().depth() == 0)
2961                                         break;
2962                                 --pit;
2963                                 cpar = pars_[pit];
2964                                 if (cpar.params().depth() < current_depth)
2965                                         res = cpar.layout().isEnvironment();
2966                         }
2967                         enable = res;
2968                         break;
2969                 }
2970                 else if (cur.paragraph().layout().isEnvironment()) {
2971                         enable = true;
2972                         break;
2973                 }
2974                 enable = false;
2975                 break;
2976         }
2977
2978         case LFUN_LAYOUT_PARAGRAPH:
2979         case LFUN_PARAGRAPH_PARAMS:
2980         case LFUN_PARAGRAPH_PARAMS_APPLY:
2981         case LFUN_PARAGRAPH_UPDATE:
2982                 enable = cur.inset().allowParagraphCustomization();
2983                 break;
2984
2985         // FIXME: why are accent lfuns forbidden with pass_thru layouts?
2986         case LFUN_ACCENT_ACUTE:
2987         case LFUN_ACCENT_BREVE:
2988         case LFUN_ACCENT_CARON:
2989         case LFUN_ACCENT_CEDILLA:
2990         case LFUN_ACCENT_CIRCLE:
2991         case LFUN_ACCENT_CIRCUMFLEX:
2992         case LFUN_ACCENT_DOT:
2993         case LFUN_ACCENT_GRAVE:
2994         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
2995         case LFUN_ACCENT_MACRON:
2996         case LFUN_ACCENT_OGONEK:
2997         case LFUN_ACCENT_TIE:
2998         case LFUN_ACCENT_TILDE:
2999         case LFUN_ACCENT_UMLAUT:
3000         case LFUN_ACCENT_UNDERBAR:
3001         case LFUN_ACCENT_UNDERDOT:
3002         case LFUN_FONT_DEFAULT:
3003         case LFUN_FONT_FRAK:
3004         case LFUN_FONT_SIZE:
3005         case LFUN_FONT_STATE:
3006         case LFUN_FONT_UNDERLINE:
3007         case LFUN_FONT_STRIKEOUT:
3008         case LFUN_FONT_UNDERUNDERLINE:
3009         case LFUN_FONT_UNDERWAVE:
3010         case LFUN_TEXTSTYLE_APPLY:
3011         case LFUN_TEXTSTYLE_UPDATE:
3012                 enable = !cur.paragraph().isPassThru();
3013                 break;
3014
3015         case LFUN_WORD_DELETE_FORWARD:
3016         case LFUN_WORD_DELETE_BACKWARD:
3017         case LFUN_LINE_DELETE_FORWARD:
3018         case LFUN_WORD_FORWARD:
3019         case LFUN_WORD_BACKWARD:
3020         case LFUN_WORD_RIGHT:
3021         case LFUN_WORD_LEFT:
3022         case LFUN_CHAR_FORWARD:
3023         case LFUN_CHAR_FORWARD_SELECT:
3024         case LFUN_CHAR_BACKWARD:
3025         case LFUN_CHAR_BACKWARD_SELECT:
3026         case LFUN_CHAR_LEFT:
3027         case LFUN_CHAR_LEFT_SELECT:
3028         case LFUN_CHAR_RIGHT:
3029         case LFUN_CHAR_RIGHT_SELECT:
3030         case LFUN_UP:
3031         case LFUN_UP_SELECT:
3032         case LFUN_DOWN:
3033         case LFUN_DOWN_SELECT:
3034         case LFUN_PARAGRAPH_UP_SELECT:
3035         case LFUN_PARAGRAPH_DOWN_SELECT:
3036         case LFUN_LINE_BEGIN_SELECT:
3037         case LFUN_LINE_END_SELECT:
3038         case LFUN_WORD_FORWARD_SELECT:
3039         case LFUN_WORD_BACKWARD_SELECT:
3040         case LFUN_WORD_RIGHT_SELECT:
3041         case LFUN_WORD_LEFT_SELECT:
3042         case LFUN_WORD_SELECT:
3043         case LFUN_SECTION_SELECT:
3044         case LFUN_BUFFER_BEGIN:
3045         case LFUN_BUFFER_END:
3046         case LFUN_BUFFER_BEGIN_SELECT:
3047         case LFUN_BUFFER_END_SELECT:
3048         case LFUN_INSET_BEGIN:
3049         case LFUN_INSET_END:
3050         case LFUN_INSET_BEGIN_SELECT:
3051         case LFUN_INSET_END_SELECT:
3052         case LFUN_INSET_SELECT_ALL:
3053         case LFUN_PARAGRAPH_UP:
3054         case LFUN_PARAGRAPH_DOWN:
3055         case LFUN_LINE_BEGIN:
3056         case LFUN_LINE_END:
3057         case LFUN_CHAR_DELETE_FORWARD:
3058         case LFUN_CHAR_DELETE_BACKWARD:
3059         case LFUN_WORD_UPCASE:
3060         case LFUN_WORD_LOWCASE:
3061         case LFUN_WORD_CAPITALIZE:
3062         case LFUN_CHARS_TRANSPOSE:
3063         case LFUN_SERVER_GET_XY:
3064         case LFUN_SERVER_SET_XY:
3065         case LFUN_SERVER_GET_LAYOUT:
3066         case LFUN_SELF_INSERT:
3067         case LFUN_UNICODE_INSERT:
3068         case LFUN_THESAURUS_ENTRY:
3069         case LFUN_ESCAPE:
3070                 // these are handled in our dispatch()
3071                 enable = true;
3072                 break;
3073
3074         case LFUN_INSET_INSERT: {
3075                 string const type = cmd.getArg(0);
3076                 if (type == "toc") {
3077                         code = TOC_CODE;
3078                         // not allowed in description items
3079                         //FIXME: couldn't this be merged in Inset::insetAllowed()?
3080                         enable = !inDescriptionItem(cur);
3081                 } else {
3082                         enable = true;
3083                 }
3084                 break;
3085         }
3086
3087         default:
3088                 return false;
3089         }
3090
3091         if (code != NO_CODE
3092             && (cur.empty()
3093                 || !cur.inset().insetAllowed(code)
3094                 || (cur.paragraph().layout().pass_thru && !allow_in_passthru)))
3095                 enable = false;
3096
3097         flag.setEnabled(enable);
3098         return true;
3099 }
3100
3101
3102 void Text::pasteString(Cursor & cur, docstring const & clip,
3103                 bool asParagraphs)
3104 {
3105         if (!clip.empty()) {
3106                 cur.recordUndo();
3107                 if (asParagraphs)
3108                         insertStringAsParagraphs(cur, clip, cur.current_font);
3109                 else
3110                         insertStringAsLines(cur, clip, cur.current_font);
3111         }
3112 }
3113
3114
3115 // FIXME: an item inset would make things much easier.
3116 bool Text::inDescriptionItem(Cursor & cur) const
3117 {
3118         Paragraph & par = cur.paragraph();
3119         pos_type const pos = cur.pos();
3120         pos_type const body_pos = par.beginOfBody();
3121
3122         if (par.layout().latextype != LATEX_LIST_ENVIRONMENT
3123             && (par.layout().latextype != LATEX_ITEM_ENVIRONMENT
3124                 || par.layout().margintype != MARGIN_FIRST_DYNAMIC))
3125                 return false;
3126
3127         return (pos < body_pos
3128                 || (pos == body_pos
3129                     && (pos == 0 || par.getChar(pos - 1) != ' ')));
3130 }
3131
3132 } // namespace lyx