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 "Cursor.h"
  29 #include "CutAndPaste.h"
  30 #include "debug.h"
  31 #include "DispatchResult.h"
  32 #include "ErrorList.h"
  33 #include "factory.h"
  34 #include "FuncRequest.h"
  35 #include "gettext.h"
  36 #include "Intl.h"
  37 #include "Language.h"
  38 #include "Layout.h"
  39 #include "LyXAction.h"
  40 #include "LyXFunc.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "TextMetrics.h"
  47 #include "Undo.h"
  48 #include "VSpace.h"
  49 #include "ParIterator.h"
  50
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/InsetCollapsable.h"
  55 #include "insets/InsetCommand.h"
  56 #include "insets/InsetFloatList.h"
  57 #include "insets/InsetNewline.h"
  58 #include "insets/InsetQuotes.h"
  59 #include "insets/InsetSpecialChar.h"
  60 #include "insets/InsetText.h"
  61
  62 #include "support/lstrings.h"
  63 #include "support/lyxlib.h"
  64 #include "support/convert.h"
  65 #include "support/lyxtime.h"
  66
  67 #include "mathed/InsetMathHull.h"
  68 #include "mathed/MathMacroTemplate.h"
  69
  70 #include <boost/current_function.hpp>
  71
  72 #include <clocale>
  73 #include <sstream>
  74
  75 using std::endl;
  76 using std::string;
  77 using std::istringstream;
  78 using std::ostringstream;
  79
  80 namespace lyx {
  81
  82 using cap::copySelection;
  83 using cap::cutSelection;
  84 using cap::pasteFromStack;
  85 using cap::pasteClipboard;
  86 using cap::replaceSelection;
  87
  88 using support::isStrUnsignedInt;
  89 using support::token;
  90
  91 // globals...
  92 static Font freefont(Font::ALL_IGNORE);
  93 static bool toggleall = false;
  94
  95 static void toggleAndShow(Cursor & cur, Text * text,
  96         Font const & font, bool toggleall = true)
  97 {
  98         text->toggleFree(cur, font, toggleall);
  99
 100         if (font.language() != ignore_language ||
 101                         font.number() != Font::IGNORE) {
 102                 TextMetrics const & tm = cur.bv().textMetrics(text);
 103                 if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
 104                                                                                                                 cur.pos(), cur.real_current_font))
 105                         text->setCursor(cur, cur.pit(), cur.pos(),
 106                                                                                         false, !cur.boundary());
 107         }
 108 }
 109
 110
 111 static void moveCursor(Cursor & cur, bool selecting)
 112 {
 113         if (selecting || cur.mark())
 114                 cur.setSelection();
 115 }
 116
 117
 118 static void finishChange(Cursor & cur, bool selecting)
 119 {
 120         finishUndo();
 121         moveCursor(cur, selecting);
 122 }
 123
 124
 125 static void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 126 {
 127         recordUndo(cur);
 128         docstring sel = cur.selectionAsString(false);
 129
 130         // It may happen that sel is empty but there is a selection
 131         replaceSelection(cur);
 132
 133         if (sel.empty()) {
 134 #ifdef ENABLE_ASSERTIONS
 135                 const int old_pos = cur.pos();
 136 #endif
 137                 cur.insert(new InsetMathHull(hullSimple));
 138                 BOOST_ASSERT(old_pos == cur.pos());
 139                 cur.nextInset()->edit(cur, true);
 140                 // don't do that also for LFUN_MATH_MODE
 141                 // unless you want end up with always changing
 142                 // to mathrm when opening an inlined inset --
 143                 // I really hate "LyXfunc overloading"...
 144                 if (display)
 145                         cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 146                 // Avoid an unnecessary undo step if cmd.argument
 147                 // is empty
 148                 if (!cmd.argument().empty())
 149                         cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 150                                                  cmd.argument()));
 151         } else {
 152                 // create a macro if we see "\\newcommand"
 153                 // somewhere, and an ordinary formula
 154                 // otherwise
 155                 if (sel.find(from_ascii("\\newcommand")) == string::npos
 156                                 && sel.find(from_ascii("\\def")) == string::npos)
 157                 {
 158                         InsetMathHull * formula = new InsetMathHull;
 159                         istringstream is(to_utf8(sel));
 160                         Lexer lex(0, 0);
 161                         lex.setStream(is);
 162                         formula->read(cur.buffer(), lex);
 163                         if (formula->getType() == hullNone)
 164                                 // Don't create pseudo formulas if
 165                                 // delimiters are left out
 166                                 formula->mutate(hullSimple);
 167                         cur.insert(formula);
 168                 } else {
 169                         cur.insert(new MathMacroTemplate(sel));
 170                 }
 171         }
 172         cur.message(from_utf8(N_("Math editor mode")));
 173 }
 174
 175
 176 static void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 177 {
 178         recordUndo(cur);
 179         cap::replaceSelection(cur);
 180         cur.insert(new InsetSpecialChar(kind));
 181         cur.posRight();
 182 }
 183
 184
 185 static bool doInsertInset(Cursor & cur, Text * text,
 186         FuncRequest const & cmd, bool edit, bool pastesel)
 187 {
 188         Inset * inset = createInset(&cur.bv(), cmd);
 189         if (!inset)
 190                 return false;
 191
 192         recordUndo(cur);
 193         if (cmd.action == LFUN_INDEX_INSERT) {
 194                 docstring ds = support::subst(text->getStringToIndex(cur), '\n', ' ');
 195                 text->insertInset(cur, inset);
 196                 if (edit)
 197                         inset->edit(cur, true);
 198                 // Now put this into inset
 199                 static_cast<InsetCollapsable *>(inset)->text_.insertStringAsParagraphs(cur, ds);
 200         } else {
 201                 bool gotsel = false;
 202                 if (cur.selection()) {
 203                         lyx::dispatch(FuncRequest(LFUN_CUT));
 204                         gotsel = true;
 205                 }
 206                 text->insertInset(cur, inset);
 207
 208                 if (edit)
 209                         inset->edit(cur, true);
 210
 211                 if (gotsel && pastesel) {
 212                         lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 213                         if (!static_cast<InsetText *>(inset)->allowMultiPar()
 214                             || cur.lastpit() == 0) {
 215                                 // reset first par to default
 216                                 LayoutPtr const layout =
 217                                         cur.buffer().params().getTextClass().defaultLayout();
 218                                 cur.text()->paragraphs().begin()->layout(layout);
 219                                 cur.pos() = 0;
 220                                 cur.pit() = 0;
 221                                 // Merge multiple paragraphs -- hack
 222                                 while (cur.lastpit() > 0) {
 223                                         mergeParagraph(cur.buffer().params(),
 224                                                 cur.text()->paragraphs(), 0);
 225                                 }
 226                         } else {
 227                                 // reset surrounding par to default
 228                                 docstring const layoutname =
 229                                         cur.buffer().params().getTextClass().defaultLayoutName();
 230                                 cur.leaveInset(*inset);
 231                                 text->setLayout(cur, layoutname);
 232                         }
 233                 }
 234         }
 235         return true;
 236 }
 237
 238
 239 string const freefont2string()
 240 {
 241         return freefont.toString(toggleall);
 242 }
 243
 244
 245 void Text::number(Cursor & cur)
 246 {
 247         Font font(Font::ALL_IGNORE);
 248         font.setNumber(Font::TOGGLE);
 249         toggleAndShow(cur, this, font);
 250 }
 251
 252
 253 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 254 {
 255         return par.isRTL(buffer.params());
 256 }
 257
 258
 259 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 260 {
 261         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 262
 263         // FIXME: We use the update flag to indicates wether a singlePar or a
 264         // full screen update is needed. We reset it here but shall we restore it
 265         // at the end?
 266         cur.noUpdate();
 267
 268         BOOST_ASSERT(cur.text() == this);
 269         BufferView * bv = &cur.bv();
 270         TextMetrics & tm = cur.bv().textMetrics(this);
 271         CursorSlice oldTopSlice = cur.top();
 272         bool oldBoundary = cur.boundary();
 273         bool sel = cur.selection();
 274         // Signals that, even if needsUpdate == false, an update of the
 275         // cursor paragraph is required
 276         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 277                 LyXAction::SingleParUpdate);
 278         // Signals that a full-screen update is required
 279         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 280                 LyXAction::NoUpdate) || singleParUpdate);
 281         // Remember the old paragraph metric (_outer_ paragraph!)
 282         ParagraphMetrics const & pm = cur.bv().parMetrics(
 283                 cur.bottom().text(), cur.bottom().pit());
 284         Dimension olddim = pm.dim();
 285
 286         switch (cmd.action) {
 287
 288         case LFUN_PARAGRAPH_MOVE_DOWN: {
 289                 pit_type const pit = cur.pit();
 290                 recUndo(cur, pit, pit + 1);
 291                 finishUndo();
 292                 std::swap(pars_[pit], pars_[pit + 1]);
 293                 updateLabels(cur.buffer());
 294                 needsUpdate = true;
 295                 ++cur.pit();
 296                 break;
 297         }
 298
 299         case LFUN_PARAGRAPH_MOVE_UP: {
 300                 pit_type const pit = cur.pit();
 301                 recUndo(cur, pit - 1, pit);
 302                 finishUndo();
 303                 std::swap(pars_[pit], pars_[pit - 1]);
 304                 updateLabels(cur.buffer());
 305                 --cur.pit();
 306                 needsUpdate = true;
 307                 break;
 308         }
 309
 310         case LFUN_APPENDIX: {
 311                 Paragraph & par = cur.paragraph();
 312                 bool start = !par.params().startOfAppendix();
 313
 314 // FIXME: The code below only makes sense at top level.
 315 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 316                 // ensure that we have only one start_of_appendix in this document
 317                 // FIXME: this don't work for multipart document!
 318                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 319                         if (pars_[tmp].params().startOfAppendix()) {
 320                                 recUndo(cur, tmp);
 321                                 pars_[tmp].params().startOfAppendix(false);
 322                                 break;
 323                         }
 324                 }
 325
 326                 recordUndo(cur);
 327                 par.params().startOfAppendix(start);
 328
 329                 // we can set the refreshing parameters now
 330                 updateLabels(cur.buffer());
 331                 break;
 332         }
 333
 334         case LFUN_WORD_DELETE_FORWARD:
 335                 if (cur.selection()) {
 336                         cutSelection(cur, true, false);
 337                 } else
 338                         deleteWordForward(cur);
 339                 finishChange(cur, false);
 340                 break;
 341
 342         case LFUN_WORD_DELETE_BACKWARD:
 343                 if (cur.selection()) {
 344                         cutSelection(cur, true, false);
 345                 } else
 346                         deleteWordBackward(cur);
 347                 finishChange(cur, false);
 348                 break;
 349
 350         case LFUN_LINE_DELETE:
 351                 if (cur.selection()) {
 352                         cutSelection(cur, true, false);
 353                 } else
 354                         tm.deleteLineForward(cur);
 355                 finishChange(cur, false);
 356                 break;
 357
 358         case LFUN_BUFFER_BEGIN:
 359         case LFUN_BUFFER_BEGIN_SELECT:
 360                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 361                 if (cur.depth() == 1) {
 362                         needsUpdate |= cursorTop(cur);
 363                 } else {
 364                         cur.undispatched();
 365                 }
 366                 break;
 367
 368         case LFUN_BUFFER_END:
 369         case LFUN_BUFFER_END_SELECT:
 370                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 371                 if (cur.depth() == 1) {
 372                         needsUpdate |= cursorBottom(cur);
 373                 } else {
 374                         cur.undispatched();
 375                 }
 376                 break;
 377
 378         case LFUN_CHAR_FORWARD:
 379         case LFUN_CHAR_FORWARD_SELECT:
 380                 //lyxerr << BOOST_CURRENT_FUNCTION
 381                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 382                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 383                 if (reverseDirectionNeeded(cur))
 384                         needsUpdate |= cursorLeft(cur);
 385                 else
 386                         needsUpdate |= cursorRight(cur);
 387
 388                 if (!needsUpdate && oldTopSlice == cur.top()
 389                                 && cur.boundary() == oldBoundary) {
 390                         cur.undispatched();
 391                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 392                 }
 393                 break;
 394
 395         case LFUN_CHAR_BACKWARD:
 396         case LFUN_CHAR_BACKWARD_SELECT:
 397                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 398                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 399                 if (reverseDirectionNeeded(cur))
 400                         needsUpdate |= cursorRight(cur);
 401                 else
 402                         needsUpdate |= cursorLeft(cur);
 403
 404                 if (!needsUpdate && oldTopSlice == cur.top()
 405                         && cur.boundary() == oldBoundary) {
 406                         cur.undispatched();
 407                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 408                 }
 409                 break;
 410
 411         case LFUN_UP_SELECT:
 412         case LFUN_DOWN_SELECT:
 413         case LFUN_UP:
 414         case LFUN_DOWN: {
 415                 // stop/start the selection
 416                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 417                         cmd.action == LFUN_UP_SELECT;
 418                 cur.selHandle(select);
 419
 420                 // move cursor up/down
 421                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 422                 bool const successful = cur.upDownInText(up, needsUpdate);
 423                 if (successful) {
 424                         // notify insets which were left and get their update flags
 425                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 426                         cur.fixIfBroken();
 427
 428                         // redraw if you leave mathed (for the decorations)
 429                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 430                 } else
 431                         cur.undispatched();
 432
 433                 break;
 434         }
 435
 436         case LFUN_PARAGRAPH_UP:
 437         case LFUN_PARAGRAPH_UP_SELECT:
 438                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 439                 needsUpdate |= cursorUpParagraph(cur);
 440                 break;
 441
 442         case LFUN_PARAGRAPH_DOWN:
 443         case LFUN_PARAGRAPH_DOWN_SELECT:
 444                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 445                 needsUpdate |= cursorDownParagraph(cur);
 446                 break;
 447
 448         case LFUN_SCREEN_UP_SELECT:
 449                 needsUpdate |= cur.selHandle(true);
 450                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 451                         cur.undispatched();
 452                 else {
 453                         tm.cursorPrevious(cur);
 454                 }
 455                 break;
 456
 457         case LFUN_SCREEN_DOWN_SELECT:
 458                 needsUpdate |= cur.selHandle(true);
 459                 if (cur.pit() == cur.lastpit()
 460                           && cur.textRow().endpos() == cur.lastpos())
 461                         cur.undispatched();
 462                 else {
 463                         tm.cursorNext(cur);
 464                 }
 465                 break;
 466
 467         case LFUN_LINE_BEGIN:
 468         case LFUN_LINE_BEGIN_SELECT:
 469                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 470                 needsUpdate |= tm.cursorHome(cur);
 471                 break;
 472
 473         case LFUN_LINE_END:
 474         case LFUN_LINE_END_SELECT:
 475                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 476                 needsUpdate |= tm.cursorEnd(cur);
 477                 break;
 478
 479         case LFUN_WORD_FORWARD:
 480         case LFUN_WORD_FORWARD_SELECT:
 481                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 482                 if (reverseDirectionNeeded(cur))
 483                         needsUpdate |= cursorLeftOneWord(cur);
 484                 else
 485                         needsUpdate |= cursorRightOneWord(cur);
 486                 break;
 487
 488         case LFUN_WORD_BACKWARD:
 489         case LFUN_WORD_BACKWARD_SELECT:
 490                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 491                 if (reverseDirectionNeeded(cur))
 492                         needsUpdate |= cursorRightOneWord(cur);
 493                 else
 494                         needsUpdate |= cursorLeftOneWord(cur);
 495                 break;
 496
 497         case LFUN_WORD_SELECT: {
 498                 selectWord(cur, WHOLE_WORD);
 499                 finishChange(cur, true);
 500                 break;
 501         }
 502
 503         case LFUN_BREAK_LINE: {
 504                 // Not allowed by LaTeX (labels or empty par)
 505                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 506                         // this avoids a double undo
 507                         // FIXME: should not be needed, ideally
 508                         if (!cur.selection())
 509                                 recordUndo(cur);
 510                         cap::replaceSelection(cur);
 511                         cur.insert(new InsetNewline);
 512                         cur.posRight();
 513                         moveCursor(cur, false);
 514                 }
 515                 break;
 516         }
 517
 518         case LFUN_CHAR_DELETE_FORWARD:
 519                 if (!cur.selection()) {
 520                         if (cur.pos() == cur.paragraph().size())
 521                                 // Par boundary, force full-screen update
 522                                 singleParUpdate = false;
 523                         needsUpdate |= erase(cur);
 524                         cur.resetAnchor();
 525                         // It is possible to make it a lot faster still
 526                         // just comment out the line below...
 527                 } else {
 528                         cutSelection(cur, true, false);
 529                         singleParUpdate = false;
 530                 }
 531                 moveCursor(cur, false);
 532                 break;
 533
 534         case LFUN_DELETE_FORWARD_SKIP:
 535                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 536                 if (!cur.selection()) {
 537                         if (cur.pos() == cur.lastpos()) {
 538                                 cursorRight(cur);
 539                                 cursorLeft(cur);
 540                         }
 541                         erase(cur);
 542                         cur.resetAnchor();
 543                 } else {
 544                         cutSelection(cur, true, false);
 545                 }
 546                 break;
 547
 548
 549         case LFUN_CHAR_DELETE_BACKWARD:
 550                 if (!cur.selection()) {
 551                         if (bv->getIntl().getTransManager().backspace()) {
 552                                 // Par boundary, full-screen update
 553                                 if (cur.pos() == 0)
 554                                         singleParUpdate = false;
 555                                 needsUpdate |= backspace(cur);
 556                                 cur.resetAnchor();
 557                                 // It is possible to make it a lot faster still
 558                                 // just comment out the line below...
 559                         }
 560                 } else {
 561                         cutSelection(cur, true, false);
 562                         singleParUpdate = false;
 563                 }
 564                 break;
 565
 566         case LFUN_DELETE_BACKWARD_SKIP:
 567                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 568                 if (!cur.selection()) {
 569                         // FIXME: look here
 570                         //CursorSlice cur = cursor();
 571                         backspace(cur);
 572                         //anchor() = cur;
 573                 } else {
 574                         cutSelection(cur, true, false);
 575                 }
 576                 break;
 577
 578         case LFUN_BREAK_PARAGRAPH:
 579                 cap::replaceSelection(cur);
 580                 breakParagraph(cur, cmd.argument() == "inverse");
 581                 cur.resetAnchor();
 582                 break;
 583
 584         case LFUN_BREAK_PARAGRAPH_SKIP: {
 585                 // When at the beginning of a paragraph, remove
 586                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 587                 cap::replaceSelection(cur);
 588                 if (cur.pos() == 0)
 589                         cur.paragraph().params().labelWidthString(docstring());
 590                 else
 591                         breakParagraph(cur, false);
 592                 cur.resetAnchor();
 593                 break;
 594         }
 595
 596         // TODO
 597         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 598         // as its duties can be performed there. Should it be removed??
 599         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 600         case LFUN_PARAGRAPH_SPACING: {
 601                 Paragraph & par = cur.paragraph();
 602                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 603                 string cur_value = "1.0";
 604                 if (cur_spacing == Spacing::Other)
 605                         cur_value = par.params().spacing().getValueAsString();
 606
 607                 istringstream is(to_utf8(cmd.argument()));
 608                 string tmp;
 609                 is >> tmp;
 610                 Spacing::Space new_spacing = cur_spacing;
 611                 string new_value = cur_value;
 612                 if (tmp.empty()) {
 613                         lyxerr << "Missing argument to `paragraph-spacing'"
 614                                << endl;
 615                 } else if (tmp == "single") {
 616                         new_spacing = Spacing::Single;
 617                 } else if (tmp == "onehalf") {
 618                         new_spacing = Spacing::Onehalf;
 619                 } else if (tmp == "double") {
 620                         new_spacing = Spacing::Double;
 621                 } else if (tmp == "other") {
 622                         new_spacing = Spacing::Other;
 623                         string tmpval = "0.0";
 624                         is >> tmpval;
 625                         lyxerr << "new_value = " << tmpval << endl;
 626                         if (tmpval != "0.0")
 627                                 new_value = tmpval;
 628                 } else if (tmp == "default") {
 629                         new_spacing = Spacing::Default;
 630                 } else {
 631                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 632                                << to_utf8(cmd.argument()) << endl;
 633                 }
 634                 if (cur_spacing != new_spacing || cur_value != new_value)
 635                         par.params().spacing(Spacing(new_spacing, new_value));
 636                 break;
 637         }
 638
 639         case LFUN_INSET_INSERT: {
 640                 recordUndo(cur);
 641                 Inset * inset = createInset(bv, cmd);
 642                 if (inset) {
 643                         // FIXME (Abdel 01/02/2006):
 644                         // What follows would be a partial fix for bug 2154:
 645                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 646                         // This automatically put the label inset _after_ a
 647                         // numbered section. It should be possible to extend the mechanism
 648                         // to any kind of LateX environement.
 649                         // The correct way to fix that bug would be at LateX generation.
 650                         // I'll let the code here for reference as it could be used for some
 651                         // other feature like "automatic labelling".
 652                         /*
 653                         Paragraph & par = pars_[cur.pit()];
 654                         if (inset->lyxCode() == Inset::LABEL_CODE
 655                                 && par.layout()->labeltype == LABEL_COUNTER) {
 656                                 // Go to the end of the paragraph
 657                                 // Warning: Because of Change-Tracking, the last
 658                                 // position is 'size()' and not 'size()-1':
 659                                 cur.pos() = par.size();
 660                                 // Insert a new paragraph
 661                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 662                                 dispatch(cur, fr);
 663                         }
 664                         */
 665                         if (cur.selection())
 666                                 cutSelection(cur, true, false);
 667                         insertInset(cur, inset);
 668                         cur.posRight();
 669                 }
 670                 break;
 671         }
 672
 673         case LFUN_INSET_DISSOLVE:
 674                 needsUpdate |= dissolveInset(cur);
 675                 break;
 676
 677         case LFUN_INSET_SETTINGS:
 678                 cur.inset().showInsetDialog(bv);
 679                 break;
 680
 681         case LFUN_SPACE_INSERT:
 682                 if (cur.paragraph().layout()->free_spacing)
 683                         insertChar(cur, ' ');
 684                 else {
 685                         doInsertInset(cur, this, cmd, false, false);
 686                         cur.posRight();
 687                 }
 688                 moveCursor(cur, false);
 689                 break;
 690
 691         case LFUN_HYPHENATION_POINT_INSERT:
 692                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 693                 break;
 694
 695         case LFUN_LIGATURE_BREAK_INSERT:
 696                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 697                 break;
 698
 699         case LFUN_DOTS_INSERT:
 700                 specialChar(cur, InsetSpecialChar::LDOTS);
 701                 break;
 702
 703         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 704                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 705                 break;
 706
 707         case LFUN_MENU_SEPARATOR_INSERT:
 708                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 709                 break;
 710
 711         case LFUN_WORD_UPCASE:
 712                 changeCase(cur, Text::text_uppercase);
 713                 break;
 714
 715         case LFUN_WORD_LOWCASE:
 716                 changeCase(cur, Text::text_lowercase);
 717                 break;
 718
 719         case LFUN_WORD_CAPITALIZE:
 720                 changeCase(cur, Text::text_capitalization);
 721                 break;
 722
 723         case LFUN_CHARS_TRANSPOSE:
 724                 charsTranspose(cur);
 725                 break;
 726
 727         case LFUN_PASTE:
 728                 cur.message(_("Paste"));
 729                 cap::replaceSelection(cur);
 730                 if (cmd.argument().empty() && !theClipboard().isInternal())
 731                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 732                 else {
 733                         string const arg(to_utf8(cmd.argument()));
 734                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 735                                         isStrUnsignedInt(arg) ?
 736                                                 convert<unsigned int>(arg) :
 737                                                 0);
 738                 }
 739                 bv->buffer().errors("Paste");
 740                 cur.clearSelection(); // bug 393
 741                 finishUndo();
 742                 break;
 743
 744         case LFUN_CUT:
 745                 cutSelection(cur, true, true);
 746                 cur.message(_("Cut"));
 747                 break;
 748
 749         case LFUN_COPY:
 750                 copySelection(cur);
 751                 cur.message(_("Copy"));
 752                 break;
 753
 754         case LFUN_SERVER_GET_XY:
 755                 cur.message(from_utf8(
 756                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 757                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 758                 break;
 759
 760         case LFUN_SERVER_SET_XY: {
 761                 int x = 0;
 762                 int y = 0;
 763                 istringstream is(to_utf8(cmd.argument()));
 764                 is >> x >> y;
 765                 if (!is)
 766                         lyxerr << "SETXY: Could not parse coordinates in '"
 767                                << to_utf8(cmd.argument()) << std::endl;
 768                 else
 769                         tm.setCursorFromCoordinates(cur, x, y);
 770                 break;
 771         }
 772
 773         case LFUN_SERVER_GET_FONT:
 774                 if (cur.current_font.shape() == Font::ITALIC_SHAPE)
 775                         cur.message(from_ascii("E"));
 776                 else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
 777                         cur.message(from_ascii("N"));
 778                 else
 779                         cur.message(from_ascii("0"));
 780                 break;
 781
 782         case LFUN_SERVER_GET_LAYOUT:
 783                 cur.message(cur.paragraph().layout()->name());
 784                 break;
 785
 786         case LFUN_LAYOUT: {
 787                 docstring layout = cmd.argument();
 788                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 789
 790                 docstring const old_layout = cur.paragraph().layout()->name();
 791
 792                 // Derive layout number from given argument (string)
 793                 // and current buffer's textclass (number)
 794                 TextClass const & tclass = bv->buffer().params().getTextClass();
 795                 if (layout.empty())
 796                         layout = tclass.defaultLayoutName();
 797                 bool hasLayout = tclass.hasLayout(layout);
 798
 799                 // If the entry is obsolete, use the new one instead.
 800                 if (hasLayout) {
 801                         docstring const & obs = tclass[layout]->obsoleted_by();
 802                         if (!obs.empty())
 803                                 layout = obs;
 804                 }
 805
 806                 if (!hasLayout) {
 807                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 808                                 from_utf8(N_(" not known")));
 809                         break;
 810                 }
 811
 812                 bool change_layout = (old_layout != layout);
 813
 814                 if (!change_layout && cur.selection() &&
 815                         cur.selBegin().pit() != cur.selEnd().pit())
 816                 {
 817                         pit_type spit = cur.selBegin().pit();
 818                         pit_type epit = cur.selEnd().pit() + 1;
 819                         while (spit != epit) {
 820                                 if (pars_[spit].layout()->name() != old_layout) {
 821                                         change_layout = true;
 822                                         break;
 823                                 }
 824                                 ++spit;
 825                         }
 826                 }
 827
 828                 if (change_layout)
 829                         setLayout(cur, layout);
 830
 831                 break;
 832         }
 833
 834         case LFUN_CLIPBOARD_PASTE:
 835                 cur.clearSelection();
 836                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 837                                cmd.argument() == "paragraph");
 838                 bv->buffer().errors("Paste");
 839                 break;
 840
 841         case LFUN_PRIMARY_SELECTION_PASTE:
 842                 pasteString(cur, theSelection().get(),
 843                             cmd.argument() == "paragraph");
 844                 break;
 845
 846         case LFUN_UNICODE_INSERT: {
 847                 if (cmd.argument().empty())
 848                         break;
 849                 docstring hexstring = cmd.argument();
 850                 if (lyx::support::isHex(hexstring)) {
 851                         char_type c = lyx::support::hexToInt(hexstring);
 852                         if (c >= 32 && c < 0x10ffff) {
 853                                 lyxerr << "Inserting c: " << c << endl;
 854                                 docstring s = docstring(1, c);
 855                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 856                         }
 857                 }
 858                 break;
 859         }
 860
 861         case LFUN_QUOTE_INSERT: {
 862                 Paragraph & par = cur.paragraph();
 863                 pos_type pos = cur.pos();
 864                 BufferParams const & bufparams = bv->buffer().params();
 865                 LayoutPtr const & style = par.layout();
 866                 if (!style->pass_thru
 867                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 868                         // this avoids a double undo
 869                         // FIXME: should not be needed, ideally
 870                         if (!cur.selection())
 871                                 recordUndo(cur);
 872                         cap::replaceSelection(cur);
 873                         pos = cur.pos();
 874                         char_type c;
 875                         if (pos == 0)
 876                                 c = ' ';
 877                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 878                                 c = ' ';
 879                         else
 880                                 c = par.getChar(pos - 1);
 881                         string arg = to_utf8(cmd.argument());
 882                         if (arg == "single")
 883                                 cur.insert(new InsetQuotes(c,
 884                                     bufparams.quotes_language,
 885                                     InsetQuotes::SingleQ));
 886                         else
 887                                 cur.insert(new InsetQuotes(c,
 888                                     bufparams.quotes_language,
 889                                     InsetQuotes::DoubleQ));
 890                         cur.posRight();
 891                 }
 892                 else
 893                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 894                 break;
 895         }
 896
 897         case LFUN_DATE_INSERT: {
 898                 string const format = cmd.argument().empty()
 899                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 900                 string const time = formatted_time(current_time(), format);
 901                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 902                 break;
 903         }
 904
 905         case LFUN_MOUSE_TRIPLE:
 906                 if (cmd.button() == mouse_button::button1) {
 907                         tm.cursorHome(cur);
 908                         cur.resetAnchor();
 909                         tm.cursorEnd(cur);
 910                         cur.setSelection();
 911                         bv->cursor() = cur;
 912                 }
 913                 break;
 914
 915         case LFUN_MOUSE_DOUBLE:
 916                 if (cmd.button() == mouse_button::button1) {
 917                         selectWord(cur, WHOLE_WORD_STRICT);
 918                         bv->cursor() = cur;
 919                 }
 920                 break;
 921
 922         // Single-click on work area
 923         case LFUN_MOUSE_PRESS: {
 924                 // Right click on a footnote flag opens float menu
 925                 if (cmd.button() == mouse_button::button3)
 926                         cur.clearSelection();
 927
 928                 // Set the cursor
 929                 bool update = bv->mouseSetCursor(cur);
 930
 931                 // Insert primary selection with middle mouse
 932                 // if there is a local selection in the current buffer,
 933                 // insert this
 934                 if (cmd.button() == mouse_button::button2) {
 935                         if (cap::selection()) {
 936                                 // Copy the selection buffer to the clipboard
 937                                 // stack, because we want it to appear in the
 938                                 // "Edit->Paste recent" menu.
 939                                 cap::copySelectionToStack();
 940
 941                                 cap::pasteSelection(bv->cursor(),
 942                                                     bv->buffer().errorList("Paste"));
 943                                 bv->buffer().errors("Paste");
 944                                 bv->buffer().markDirty();
 945                                 finishUndo();
 946                         } else {
 947                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 948                         }
 949                 }
 950
 951                 // we have to update after dEPM triggered
 952                 if (!update && cmd.button() == mouse_button::button1) {
 953                         needsUpdate = false;
 954                         cur.noUpdate();
 955                 }
 956
 957                 break;
 958         }
 959
 960         case LFUN_MOUSE_MOTION: {
 961                 // Only use motion with button 1
 962                 //if (cmd.button() != mouse_button::button1)
 963                 //      return false;
 964
 965                 // ignore motions deeper nested than the real anchor
 966                 Cursor & bvcur = cur.bv().cursor();
 967                 if (bvcur.anchor_.hasPart(cur)) {
 968                         CursorSlice old = bvcur.top();
 969
 970                         int const wh = bv->workHeight();
 971                         int const y = std::max(0, std::min(wh - 1, cmd.y));
 972
 973                         tm.setCursorFromCoordinates(cur, cmd.x, y);
 974                         cur.setTargetX(cmd.x);
 975                         if (cmd.y >= wh)
 976                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 977                         else if (cmd.y < 0)
 978                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 979                         // This is to allow jumping over large insets
 980                         if (cur.top() == old) {
 981                                 if (cmd.y >= wh)
 982                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 983                                 else if (cmd.y < 0)
 984                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 985                         }
 986
 987                         if (cur.top() == old)
 988                                 cur.noUpdate();
 989                         else {
 990                                 // don't set anchor_
 991                                 bvcur.setCursor(cur);
 992                                 bvcur.selection() = true;
 993                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
 994                         }
 995
 996                 } else
 997                         cur.undispatched();
 998                 break;
 999         }
1000
1001         case LFUN_MOUSE_RELEASE: {
1002                 if (cmd.button() == mouse_button::button2)
1003                         break;
1004
1005                 if (cmd.button() == mouse_button::button1) {
1006                         // if there is new selection, update persistent
1007                         // selection, otherwise, single click does not
1008                         // clear persistent selection buffer
1009                         if (cur.selection()) {
1010                                 // finish selection
1011                                 // if double click, cur is moved to the end of word by selectWord
1012                                 // but bvcur is current mouse position
1013                                 Cursor & bvcur = cur.bv().cursor();
1014                                 bvcur.selection() = true;
1015                         }
1016                         needsUpdate = false;
1017                         cur.noUpdate();
1018                 }
1019
1020                 break;
1021         }
1022
1023         case LFUN_SELF_INSERT: {
1024                 if (cmd.argument().empty())
1025                         break;
1026
1027                 // Automatically delete the currently selected
1028                 // text and replace it with what is being
1029                 // typed in now. Depends on lyxrc settings
1030                 // "auto_region_delete", which defaults to
1031                 // true (on).
1032
1033                 if (lyxrc.auto_region_delete && cur.selection()) {
1034                         cutSelection(cur, false, false);
1035                         // When change tracking is set to off, the metrics update
1036                         // mechanism correctly detects if a full update is needed or not.
1037                         // This detection fails when a selection spans multiple rows and
1038                         // change tracking is enabled because the paragraph metrics stays
1039                         // the same. In this case, we force the full update:
1040                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1041                         if (cur.buffer().params().trackChanges)
1042                                 cur.updateFlags(Update::Force);
1043                 }
1044
1045                 cur.clearSelection();
1046                 Font const old_font = cur.real_current_font;
1047
1048                 docstring::const_iterator cit = cmd.argument().begin();
1049                 docstring::const_iterator end = cmd.argument().end();
1050                 for (; cit != end; ++cit)
1051                         bv->translateAndInsert(*cit, this, cur);
1052
1053                 cur.resetAnchor();
1054                 moveCursor(cur, false);
1055                 break;
1056         }
1057
1058         case LFUN_URL_INSERT: {
1059                 InsetCommandParams p("url");
1060                 docstring content;
1061                 if (cur.selection()) {
1062                         content = cur.selectionAsString(false);
1063                         cutSelection(cur, true, false);
1064                 }
1065                 p["target"] = (cmd.argument().empty()) ?
1066                         content : cmd.argument();
1067                 string const data = InsetCommandMailer::params2string("url", p);
1068                 if (p["target"].empty()) {
1069                         bv->showInsetDialog("url", data, 0);
1070                 } else {
1071                         FuncRequest fr(LFUN_INSET_INSERT, data);
1072                         dispatch(cur, fr);
1073                 }
1074                 break;
1075         }
1076
1077         case LFUN_HTML_INSERT: {
1078                 InsetCommandParams p("htmlurl");
1079                 docstring content;
1080                 if (cur.selection()) {
1081                         content = cur.selectionAsString(false);
1082                         cutSelection(cur, true, false);
1083                 }
1084                 p["target"] = (cmd.argument().empty()) ?
1085                         content : cmd.argument();
1086                 string const data = InsetCommandMailer::params2string("url", p);
1087                 if (p["target"].empty()) {
1088                         bv->showInsetDialog("url", data, 0);
1089                 } else {
1090                         FuncRequest fr(LFUN_INSET_INSERT, data);
1091                         dispatch(cur, fr);
1092                 }
1093                 break;
1094         }
1095
1096         case LFUN_LABEL_INSERT: {
1097                 InsetCommandParams p("label");
1098                 // Try to generate a valid label
1099                 p["name"] = (cmd.argument().empty()) ?
1100                         cur.getPossibleLabel() :
1101                         cmd.argument();
1102                 string const data = InsetCommandMailer::params2string("label", p);
1103
1104                 if (cmd.argument().empty()) {
1105                         bv->showInsetDialog("label", data, 0);
1106                 } else {
1107                         FuncRequest fr(LFUN_INSET_INSERT, data);
1108                         dispatch(cur, fr);
1109                 }
1110                 break;
1111         }
1112
1113
1114 #if 0
1115         case LFUN_LIST_INSERT:
1116         case LFUN_THEOREM_INSERT:
1117 #endif
1118         case LFUN_CAPTION_INSERT:
1119                 // Open the inset, and move the current selection
1120                 // inside it.
1121                 doInsertInset(cur, this, cmd, true, true);
1122                 cur.posRight();
1123                 updateLabels(bv->buffer());
1124                 break;
1125         case LFUN_NOTE_INSERT:
1126         case LFUN_FLEX_INSERT:
1127         case LFUN_BOX_INSERT:
1128         case LFUN_BRANCH_INSERT:
1129         case LFUN_BIBITEM_INSERT:
1130         case LFUN_ERT_INSERT:
1131         case LFUN_LISTING_INSERT:
1132         case LFUN_FOOTNOTE_INSERT:
1133         case LFUN_MARGINALNOTE_INSERT:
1134         case LFUN_OPTIONAL_INSERT:
1135         case LFUN_ENVIRONMENT_INSERT:
1136                 // Open the inset, and move the current selection
1137                 // inside it.
1138                 doInsertInset(cur, this, cmd, true, true);
1139                 cur.posRight();
1140                 break;
1141
1142         case LFUN_TABULAR_INSERT:
1143                 // if there were no arguments, just open the dialog
1144                 if (doInsertInset(cur, this, cmd, false, true))
1145                         cur.posRight();
1146                 else
1147                         bv->showDialog("tabularcreate");
1148
1149                 break;
1150
1151         case LFUN_FLOAT_INSERT:
1152         case LFUN_FLOAT_WIDE_INSERT:
1153         case LFUN_WRAP_INSERT: {
1154                 bool content = cur.selection();  // will some text be moved into the inset?
1155
1156                 doInsertInset(cur, this, cmd, true, true);
1157                 cur.posRight();
1158                 ParagraphList & pars = cur.text()->paragraphs();
1159
1160                 TextClass const & tclass = bv->buffer().params().getTextClass();
1161
1162                 // add a separate paragraph for the caption inset
1163                 pars.push_back(Paragraph());
1164                 pars.back().setInsetOwner(pars[0].inInset());
1165                 pars.back().layout(tclass.defaultLayout());
1166
1167                 int cap_pit = pars.size() - 1;
1168
1169                 // if an empty inset was created, we create an additional empty
1170                 // paragraph at the bottom so that the user can choose where to put
1171                 // the graphics (or table).
1172                 if (!content) {
1173                         pars.push_back(Paragraph());
1174                         pars.back().setInsetOwner(pars[0].inInset());
1175                         pars.back().layout(tclass.defaultLayout());
1176
1177                 }
1178
1179                 // reposition the cursor to the caption
1180                 cur.pit() = cap_pit;
1181                 cur.pos() = 0;
1182                 // FIXME: This Text/Cursor dispatch handling is a mess!
1183                 // We cannot use Cursor::dispatch here it needs access to up to
1184                 // date metrics.
1185                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1186                 cur.text()->dispatch(cur, cmd_caption);
1187                 cur.updateFlags(Update::Force);
1188                 // FIXME: When leaving the Float (or Wrap) inset we should
1189                 // delete any empty paragraph left above or below the
1190                 // caption.
1191                 break;
1192         }
1193
1194         case LFUN_INDEX_INSERT:
1195                 doInsertInset(cur, this, cmd, true, true);
1196                 cur.posRight();
1197                 break;
1198         case LFUN_NOMENCL_INSERT: {
1199                 Inset * inset = createInset(&cur.bv(), cmd);
1200                 if (!inset)
1201                         break;
1202                 recordUndo(cur);
1203                 cur.clearSelection();
1204                 insertInset(cur, inset);
1205                 // Show the dialog for the nomenclature entry, since the
1206                 // description entry still needs to be filled in.
1207                 if (cmd.action == LFUN_NOMENCL_INSERT)
1208                         inset->edit(cur, true);
1209                 cur.posRight();
1210                 break;
1211         }
1212
1213         case LFUN_INDEX_PRINT:
1214         case LFUN_NOMENCL_PRINT:
1215         case LFUN_TOC_INSERT:
1216         case LFUN_HFILL_INSERT:
1217         case LFUN_LINE_INSERT:
1218         case LFUN_PAGEBREAK_INSERT:
1219         case LFUN_CLEARPAGE_INSERT:
1220         case LFUN_CLEARDOUBLEPAGE_INSERT:
1221                 // do nothing fancy
1222                 doInsertInset(cur, this, cmd, false, false);
1223                 cur.posRight();
1224                 break;
1225
1226         case LFUN_DEPTH_DECREMENT:
1227                 changeDepth(cur, DEC_DEPTH);
1228                 break;
1229
1230         case LFUN_DEPTH_INCREMENT:
1231                 changeDepth(cur, INC_DEPTH);
1232                 break;
1233
1234         case LFUN_MATH_DISPLAY:
1235                 mathDispatch(cur, cmd, true);
1236                 break;
1237
1238         case LFUN_MATH_IMPORT_SELECTION:
1239         case LFUN_MATH_MODE:
1240                 if (cmd.argument() == "on")
1241                         // don't pass "on" as argument
1242                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1243                 else
1244                         mathDispatch(cur, cmd, false);
1245                 break;
1246
1247         case LFUN_MATH_MACRO:
1248                 if (cmd.argument().empty())
1249                         cur.errorMessage(from_utf8(N_("Missing argument")));
1250                 else {
1251                         string s = to_utf8(cmd.argument());
1252                         string const s1 = token(s, ' ', 1);
1253                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1254                         string const s2 = token(s, ' ', 2);
1255                         string const type = s2.empty() ? "newcommand" : s2;
1256                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1257                         //cur.nextInset()->edit(cur, true);
1258                 }
1259                 break;
1260
1261         // passthrough hat and underscore outside mathed:
1262         case LFUN_MATH_SUBSCRIPT:
1263                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1264                 break;
1265         case LFUN_MATH_SUPERSCRIPT:
1266                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1267                 break;
1268
1269         case LFUN_MATH_INSERT:
1270         case LFUN_MATH_MATRIX:
1271         case LFUN_MATH_DELIM:
1272         case LFUN_MATH_BIGDELIM: {
1273                 if (cur.selection())
1274                         cur.clearSelection();
1275                 // FIXME: instead of the above, this one
1276                 // should be used (but it asserts with Bidi enabled)
1277                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1278                 // cap::replaceSelection(cur);
1279                 cur.insert(new InsetMathHull(hullSimple));
1280                 checkAndActivateInset(cur, true);
1281                 BOOST_ASSERT(cur.inMathed());
1282                 cur.dispatch(cmd);
1283                 break;
1284         }
1285
1286         case LFUN_FONT_EMPH: {
1287                 Font font(Font::ALL_IGNORE);
1288                 font.setEmph(Font::TOGGLE);
1289                 toggleAndShow(cur, this, font);
1290                 break;
1291         }
1292
1293         case LFUN_FONT_BOLD: {
1294                 Font font(Font::ALL_IGNORE);
1295                 font.setSeries(Font::BOLD_SERIES);
1296                 toggleAndShow(cur, this, font);
1297                 break;
1298         }
1299
1300         case LFUN_FONT_NOUN: {
1301                 Font font(Font::ALL_IGNORE);
1302                 font.setNoun(Font::TOGGLE);
1303                 toggleAndShow(cur, this, font);
1304                 break;
1305         }
1306
1307         case LFUN_FONT_TYPEWRITER: {
1308                 Font font(Font::ALL_IGNORE);
1309                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1310                 toggleAndShow(cur, this, font);
1311                 break;
1312         }
1313
1314         case LFUN_FONT_SANS: {
1315                 Font font(Font::ALL_IGNORE);
1316                 font.setFamily(Font::SANS_FAMILY);
1317                 toggleAndShow(cur, this, font);
1318                 break;
1319         }
1320
1321         case LFUN_FONT_ROMAN: {
1322                 Font font(Font::ALL_IGNORE);
1323                 font.setFamily(Font::ROMAN_FAMILY);
1324                 toggleAndShow(cur, this, font);
1325                 break;
1326         }
1327
1328         case LFUN_FONT_DEFAULT: {
1329                 Font font(Font::ALL_INHERIT, ignore_language);
1330                 toggleAndShow(cur, this, font);
1331                 break;
1332         }
1333
1334         case LFUN_FONT_UNDERLINE: {
1335                 Font font(Font::ALL_IGNORE);
1336                 font.setUnderbar(Font::TOGGLE);
1337                 toggleAndShow(cur, this, font);
1338                 break;
1339         }
1340
1341         case LFUN_FONT_SIZE: {
1342                 Font font(Font::ALL_IGNORE);
1343                 font.setLyXSize(to_utf8(cmd.argument()));
1344                 toggleAndShow(cur, this, font);
1345                 break;
1346         }
1347
1348         case LFUN_LANGUAGE: {
1349                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1350                 if (!lang)
1351                         break;
1352                 Font font(Font::ALL_IGNORE);
1353                 font.setLanguage(lang);
1354                 toggleAndShow(cur, this, font);
1355                 break;
1356         }
1357
1358         case LFUN_FONT_FREE_APPLY:
1359                 toggleAndShow(cur, this, freefont, toggleall);
1360                 cur.message(_("Character set"));
1361                 break;
1362
1363         // Set the freefont using the contents of \param data dispatched from
1364         // the frontends and apply it at the current cursor location.
1365         case LFUN_FONT_FREE_UPDATE: {
1366                 Font font;
1367                 bool toggle;
1368                 if (font.fromString(to_utf8(cmd.argument()), toggle)) {
1369                         freefont = font;
1370                         toggleall = toggle;
1371                         toggleAndShow(cur, this, freefont, toggleall);
1372                         cur.message(_("Character set"));
1373                 }
1374                 break;
1375         }
1376
1377         case LFUN_FINISHED_LEFT:
1378                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1379                 if (reverseDirectionNeeded(cur)) {
1380                         ++cur.pos();
1381                         cur.setCurrentFont();
1382                 }
1383                 break;
1384
1385         case LFUN_FINISHED_RIGHT:
1386                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1387                 if (!reverseDirectionNeeded(cur)) {
1388                         ++cur.pos();
1389                         cur.setCurrentFont();
1390                 }
1391                 break;
1392
1393         case LFUN_LAYOUT_PARAGRAPH: {
1394                 string data;
1395                 params2string(cur.paragraph(), data);
1396                 data = "show\n" + data;
1397                 bv->showDialogWithData("paragraph", data);
1398                 break;
1399         }
1400
1401         case LFUN_PARAGRAPH_UPDATE: {
1402                 string data;
1403                 params2string(cur.paragraph(), data);
1404
1405                 // Will the paragraph accept changes from the dialog?
1406                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1407
1408                 data = "update " + convert<string>(accept) + '\n' + data;
1409                 bv->updateDialog("paragraph", data);
1410                 break;
1411         }
1412
1413         case LFUN_ACCENT_UMLAUT:
1414         case LFUN_ACCENT_CIRCUMFLEX:
1415         case LFUN_ACCENT_GRAVE:
1416         case LFUN_ACCENT_ACUTE:
1417         case LFUN_ACCENT_TILDE:
1418         case LFUN_ACCENT_CEDILLA:
1419         case LFUN_ACCENT_MACRON:
1420         case LFUN_ACCENT_DOT:
1421         case LFUN_ACCENT_UNDERDOT:
1422         case LFUN_ACCENT_UNDERBAR:
1423         case LFUN_ACCENT_CARON:
1424         case LFUN_ACCENT_SPECIAL_CARON:
1425         case LFUN_ACCENT_BREVE:
1426         case LFUN_ACCENT_TIE:
1427         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1428         case LFUN_ACCENT_CIRCLE:
1429         case LFUN_ACCENT_OGONEK:
1430                 theLyXFunc().handleKeyFunc(cmd.action);
1431                 if (!cmd.argument().empty())
1432                         // FIXME: Are all these characters encoded in one byte in utf8?
1433                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1434                 break;
1435
1436         case LFUN_FLOAT_LIST: {
1437                 TextClass const & tclass = bv->buffer().params().getTextClass();
1438                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1439                         recordUndo(cur);
1440                         if (cur.selection())
1441                                 cutSelection(cur, true, false);
1442                         breakParagraph(cur);
1443
1444                         if (cur.lastpos() != 0) {
1445                                 cursorLeft(cur);
1446                                 breakParagraph(cur);
1447                         }
1448
1449                         setLayout(cur, tclass.defaultLayoutName());
1450                         ParagraphParameters p;
1451                         setParagraphs(cur, p);
1452                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1453                         cur.posRight();
1454                 } else {
1455                         lyxerr << "Non-existent float type: "
1456                                << to_utf8(cmd.argument()) << endl;
1457                 }
1458                 break;
1459         }
1460
1461         case LFUN_CHANGE_ACCEPT: {
1462                 acceptOrRejectChanges(cur, ACCEPT);
1463                 break;
1464         }
1465
1466         case LFUN_CHANGE_REJECT: {
1467                 acceptOrRejectChanges(cur, REJECT);
1468                 break;
1469         }
1470
1471         case LFUN_THESAURUS_ENTRY: {
1472                 docstring arg = cmd.argument();
1473                 if (arg.empty()) {
1474                         arg = cur.selectionAsString(false);
1475                         // FIXME
1476                         if (arg.size() > 100 || arg.empty()) {
1477                                 // Get word or selection
1478                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1479                                 arg = cur.selectionAsString(false);
1480                         }
1481                 }
1482                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1483                 break;
1484         }
1485
1486         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1487                 // Given data, an encoding of the ParagraphParameters
1488                 // generated in the Paragraph dialog, this function sets
1489                 // the current paragraph, or currently selected paragraphs,
1490                 // appropriately.
1491                 // NOTE: This function overrides all existing settings.
1492                 setParagraphs(cur, cmd.argument());
1493                 cur.message(_("Paragraph layout set"));
1494                 break;
1495         }
1496
1497         case LFUN_PARAGRAPH_PARAMS: {
1498                 // Given data, an encoding of the ParagraphParameters as we'd
1499                 // find them in a LyX file, this function modifies the current paragraph,
1500                 // or currently selected paragraphs.
1501                 // NOTE: This function only modifies, and does not override, existing
1502                 // settings.
1503                 setParagraphs(cur, cmd.argument(), true);
1504                 cur.message(_("Paragraph layout set"));
1505                 break;
1506         }
1507
1508         case LFUN_ESCAPE:
1509                 if (cur.selection()) {
1510                         cur.selection() = false;
1511                 } else {
1512                         cur.undispatched();
1513                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1514                 }
1515                 break;
1516
1517         default:
1518                 LYXERR(Debug::ACTION)
1519                         << BOOST_CURRENT_FUNCTION
1520                         << ": Command " << cmd
1521                         << " not DISPATCHED by Text" << endl;
1522                 cur.undispatched();
1523                 break;
1524         }
1525
1526         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1527
1528         // FIXME: The cursor flag is reset two lines below
1529         // so we need to check here if some of the LFUN did touch that.
1530         // for now only Text::erase() and Text::backspace() do that.
1531         // The plan is to verify all the LFUNs and then to remove this
1532         // singleParUpdate boolean altogether.
1533         if (cur.result().update() & Update::Force) {
1534                 singleParUpdate = false;
1535                 needsUpdate = true;
1536         }
1537
1538         // FIXME: the following code should go in favor of fine grained
1539         // update flag treatment.
1540         if (singleParUpdate) {
1541                 // Inserting characters does not change par height
1542                 ParagraphMetrics const & pms
1543                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1544                 if (pms.dim().height()
1545                     == olddim.height()) {
1546                         // if so, update _only_ this paragraph
1547                         cur.updateFlags(Update::SinglePar |
1548                                 Update::FitCursor |
1549                                 Update::MultiParSel);
1550                         return;
1551                 } else
1552                         needsUpdate = true;
1553         }
1554
1555         if (!needsUpdate
1556             && &oldTopSlice.inset() == &cur.inset()
1557             && oldTopSlice.idx() == cur.idx()
1558             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1559             && !cur.selection())
1560                 // FIXME: it would be better if we could just do this
1561                 //
1562                 //if (cur.result().update() != Update::FitCursor)
1563                 //      cur.noUpdate();
1564                 //
1565                 // But some LFUNs do not set Update::FitCursor when needed, so we
1566                 // do it for all. This is not very harmfull as FitCursor will provoke
1567                 // a full redraw only if needed but still, a proper review of all LFUN
1568                 // should be done and this needsUpdate boolean can then be removed.
1569                 cur.updateFlags(Update::FitCursor);
1570         else
1571                 cur.updateFlags(Update::Force | Update::FitCursor);
1572 }
1573
1574
1575 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1576                         FuncStatus & flag) const
1577 {
1578         BOOST_ASSERT(cur.text() == this);
1579
1580         Font const & font = cur.real_current_font;
1581         bool enable = true;
1582         Inset::Code code = Inset::NO_CODE;
1583
1584         switch (cmd.action) {
1585
1586         case LFUN_DEPTH_DECREMENT:
1587                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1588                 break;
1589
1590         case LFUN_DEPTH_INCREMENT:
1591                 enable = changeDepthAllowed(cur, INC_DEPTH);
1592                 break;
1593
1594         case LFUN_APPENDIX:
1595                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1596                 return true;
1597
1598         case LFUN_BIBITEM_INSERT:
1599                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1600                           && cur.pos() == 0);
1601                 break;
1602
1603         case LFUN_DIALOG_SHOW_NEW_INSET:
1604                 if (cmd.argument() == "bibitem")
1605                         code = Inset::BIBITEM_CODE;
1606                 else if (cmd.argument() == "bibtex")
1607                         code = Inset::BIBTEX_CODE;
1608                 else if (cmd.argument() == "box")
1609                         code = Inset::BOX_CODE;
1610                 else if (cmd.argument() == "branch")
1611                         code = Inset::BRANCH_CODE;
1612                 else if (cmd.argument() == "citation")
1613                         code = Inset::CITE_CODE;
1614                 else if (cmd.argument() == "ert")
1615                         code = Inset::ERT_CODE;
1616                 else if (cmd.argument() == "external")
1617                         code = Inset::EXTERNAL_CODE;
1618                 else if (cmd.argument() == "float")
1619                         code = Inset::FLOAT_CODE;
1620                 else if (cmd.argument() == "graphics")
1621                         code = Inset::GRAPHICS_CODE;
1622                 else if (cmd.argument() == "include")
1623                         code = Inset::INCLUDE_CODE;
1624                 else if (cmd.argument() == "index")
1625                         code = Inset::INDEX_CODE;
1626                 else if (cmd.argument() == "nomenclature")
1627                         code = Inset::NOMENCL_CODE;
1628                 else if (cmd.argument() == "label")
1629                         code = Inset::LABEL_CODE;
1630                 else if (cmd.argument() == "note")
1631                         code = Inset::NOTE_CODE;
1632                 else if (cmd.argument() == "ref")
1633                         code = Inset::REF_CODE;
1634                 else if (cmd.argument() == "toc")
1635                         code = Inset::TOC_CODE;
1636                 else if (cmd.argument() == "url")
1637                         code = Inset::URL_CODE;
1638                 else if (cmd.argument() == "vspace")
1639                         code = Inset::VSPACE_CODE;
1640                 else if (cmd.argument() == "wrap")
1641                         code = Inset::WRAP_CODE;
1642                 else if (cmd.argument() == "listings")
1643                         code = Inset::LISTINGS_CODE;
1644                 break;
1645
1646         case LFUN_ERT_INSERT:
1647                 code = Inset::ERT_CODE;
1648                 break;
1649         case LFUN_LISTING_INSERT:
1650             code = Inset::LISTINGS_CODE;
1651                 break;
1652         case LFUN_FOOTNOTE_INSERT:
1653                 code = Inset::FOOT_CODE;
1654                 break;
1655         case LFUN_TABULAR_INSERT:
1656                 code = Inset::TABULAR_CODE;
1657                 break;
1658         case LFUN_MARGINALNOTE_INSERT:
1659                 code = Inset::MARGIN_CODE;
1660                 break;
1661         case LFUN_FLOAT_INSERT:
1662         case LFUN_FLOAT_WIDE_INSERT:
1663                 code = Inset::FLOAT_CODE;
1664                 break;
1665         case LFUN_WRAP_INSERT:
1666                 code = Inset::WRAP_CODE;
1667                 break;
1668         case LFUN_FLOAT_LIST:
1669                 code = Inset::FLOAT_LIST_CODE;
1670                 break;
1671 #if 0
1672         case LFUN_LIST_INSERT:
1673                 code = Inset::LIST_CODE;
1674                 break;
1675         case LFUN_THEOREM_INSERT:
1676                 code = Inset::THEOREM_CODE;
1677                 break;
1678 #endif
1679         case LFUN_CAPTION_INSERT:
1680                 code = Inset::CAPTION_CODE;
1681                 break;
1682         case LFUN_NOTE_INSERT:
1683                 code = Inset::NOTE_CODE;
1684                 break;
1685         case LFUN_FLEX_INSERT: {
1686                 code = Inset::FLEX_CODE;
1687                 string s = cmd.getArg(0);
1688                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1689                 if (il.lyxtype != "charstyle" &&
1690                     il.lyxtype != "custom" &&
1691                     il.lyxtype != "element")
1692                         enable = false;
1693                 break;
1694                 }
1695         case LFUN_BOX_INSERT:
1696                 code = Inset::BOX_CODE;
1697                 break;
1698         case LFUN_BRANCH_INSERT:
1699                 code = Inset::BRANCH_CODE;
1700                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1701                         enable = false;
1702                 break;
1703         case LFUN_LABEL_INSERT:
1704                 code = Inset::LABEL_CODE;
1705                 break;
1706         case LFUN_OPTIONAL_INSERT:
1707                 code = Inset::OPTARG_CODE;
1708                 enable = numberOfOptArgs(cur.paragraph())
1709                         < cur.paragraph().layout()->optionalargs;
1710                 break;
1711         case LFUN_ENVIRONMENT_INSERT:
1712                 code = Inset::BOX_CODE;
1713                 break;
1714         case LFUN_INDEX_INSERT:
1715                 code = Inset::INDEX_CODE;
1716                 break;
1717         case LFUN_INDEX_PRINT:
1718                 code = Inset::INDEX_PRINT_CODE;
1719                 break;
1720         case LFUN_NOMENCL_INSERT:
1721                 code = Inset::NOMENCL_CODE;
1722                 break;
1723         case LFUN_NOMENCL_PRINT:
1724                 code = Inset::NOMENCL_PRINT_CODE;
1725                 break;
1726         case LFUN_TOC_INSERT:
1727                 code = Inset::TOC_CODE;
1728                 break;
1729         case LFUN_HTML_INSERT:
1730         case LFUN_URL_INSERT:
1731                 code = Inset::URL_CODE;
1732                 break;
1733         case LFUN_QUOTE_INSERT:
1734                 // always allow this, since we will inset a raw quote
1735                 // if an inset is not allowed.
1736                 break;
1737         case LFUN_HYPHENATION_POINT_INSERT:
1738         case LFUN_LIGATURE_BREAK_INSERT:
1739         case LFUN_HFILL_INSERT:
1740         case LFUN_MENU_SEPARATOR_INSERT:
1741         case LFUN_DOTS_INSERT:
1742         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1743                 code = Inset::SPECIALCHAR_CODE;
1744                 break;
1745         case LFUN_SPACE_INSERT:
1746                 // slight hack: we know this is allowed in math mode
1747                 if (cur.inTexted())
1748                         code = Inset::SPACE_CODE;
1749                 break;
1750
1751         case LFUN_INSET_MODIFY:
1752                 // We need to disable this, because we may get called for a
1753                 // tabular cell via
1754                 // InsetTabular::getStatus() -> InsetText::getStatus()
1755                 // and we don't handle LFUN_INSET_MODIFY.
1756                 enable = false;
1757                 break;
1758
1759         case LFUN_FONT_EMPH:
1760                 flag.setOnOff(font.emph() == Font::ON);
1761                 return true;
1762
1763         case LFUN_FONT_NOUN:
1764                 flag.setOnOff(font.noun() == Font::ON);
1765                 return true;
1766
1767         case LFUN_FONT_BOLD:
1768                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1769                 return true;
1770
1771         case LFUN_FONT_SANS:
1772                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1773                 return true;
1774
1775         case LFUN_FONT_ROMAN:
1776                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1777                 return true;
1778
1779         case LFUN_FONT_TYPEWRITER:
1780                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1781                 return true;
1782
1783         case LFUN_CUT:
1784         case LFUN_COPY:
1785                 enable = cur.selection();
1786                 break;
1787
1788         case LFUN_PASTE:
1789                 if (cmd.argument().empty()) {
1790                         if (theClipboard().isInternal())
1791                                 enable = cap::numberOfSelections() > 0;
1792                         else
1793                                 enable = !theClipboard().empty();
1794                 } else {
1795                         string const arg = to_utf8(cmd.argument());
1796                         if (isStrUnsignedInt(arg)) {
1797                                 unsigned int n = convert<unsigned int>(arg);
1798                                 enable = cap::numberOfSelections() > n;
1799                         } else
1800                                 // unknown argument
1801                                 enable = false;
1802                 }
1803                 break;
1804
1805         case LFUN_CLIPBOARD_PASTE:
1806                 enable = !theClipboard().empty();
1807                 break;
1808
1809         case LFUN_PRIMARY_SELECTION_PASTE:
1810                 enable = cur.selection() || !theSelection().empty();
1811                 break;
1812
1813         case LFUN_PARAGRAPH_MOVE_UP:
1814                 enable = cur.pit() > 0 && !cur.selection();
1815                 break;
1816
1817         case LFUN_PARAGRAPH_MOVE_DOWN:
1818                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1819                 break;
1820
1821         case LFUN_INSET_DISSOLVE:
1822                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
1823                 break;
1824
1825         case LFUN_CHANGE_ACCEPT:
1826         case LFUN_CHANGE_REJECT:
1827                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1828                 // In principle, these LFUNs should only be enabled if there
1829                 // is a change at the current position/in the current selection.
1830                 // However, without proper optimizations, this will inevitably
1831                 // result in unacceptable performance - just imagine a user who
1832                 // wants to select the complete content of a long document.
1833                 enable = true;
1834                 break;
1835
1836         case LFUN_WORD_DELETE_FORWARD:
1837         case LFUN_WORD_DELETE_BACKWARD:
1838         case LFUN_LINE_DELETE:
1839         case LFUN_WORD_FORWARD:
1840         case LFUN_WORD_BACKWARD:
1841         case LFUN_CHAR_FORWARD:
1842         case LFUN_CHAR_FORWARD_SELECT:
1843         case LFUN_CHAR_BACKWARD:
1844         case LFUN_CHAR_BACKWARD_SELECT:
1845         case LFUN_UP:
1846         case LFUN_UP_SELECT:
1847         case LFUN_DOWN:
1848         case LFUN_DOWN_SELECT:
1849         case LFUN_PARAGRAPH_UP_SELECT:
1850         case LFUN_PARAGRAPH_DOWN_SELECT:
1851         case LFUN_SCREEN_UP_SELECT:
1852         case LFUN_SCREEN_DOWN_SELECT:
1853         case LFUN_LINE_BEGIN_SELECT:
1854         case LFUN_LINE_END_SELECT:
1855         case LFUN_WORD_FORWARD_SELECT:
1856         case LFUN_WORD_BACKWARD_SELECT:
1857         case LFUN_WORD_SELECT:
1858         case LFUN_PARAGRAPH_UP:
1859         case LFUN_PARAGRAPH_DOWN:
1860         case LFUN_LINE_BEGIN:
1861         case LFUN_LINE_END:
1862         case LFUN_BREAK_LINE:
1863         case LFUN_CHAR_DELETE_FORWARD:
1864         case LFUN_DELETE_FORWARD_SKIP:
1865         case LFUN_CHAR_DELETE_BACKWARD:
1866         case LFUN_DELETE_BACKWARD_SKIP:
1867         case LFUN_BREAK_PARAGRAPH:
1868         case LFUN_BREAK_PARAGRAPH_SKIP:
1869         case LFUN_PARAGRAPH_SPACING:
1870         case LFUN_INSET_INSERT:
1871         case LFUN_WORD_UPCASE:
1872         case LFUN_WORD_LOWCASE:
1873         case LFUN_WORD_CAPITALIZE:
1874         case LFUN_CHARS_TRANSPOSE:
1875         case LFUN_SERVER_GET_XY:
1876         case LFUN_SERVER_SET_XY:
1877         case LFUN_SERVER_GET_FONT:
1878         case LFUN_SERVER_GET_LAYOUT:
1879         case LFUN_LAYOUT:
1880         case LFUN_DATE_INSERT:
1881         case LFUN_SELF_INSERT:
1882         case LFUN_LINE_INSERT:
1883         case LFUN_PAGEBREAK_INSERT:
1884         case LFUN_CLEARPAGE_INSERT:
1885         case LFUN_CLEARDOUBLEPAGE_INSERT:
1886         case LFUN_MATH_DISPLAY:
1887         case LFUN_MATH_IMPORT_SELECTION:
1888         case LFUN_MATH_MODE:
1889         case LFUN_MATH_MACRO:
1890         case LFUN_MATH_MATRIX:
1891         case LFUN_MATH_DELIM:
1892         case LFUN_MATH_BIGDELIM:
1893         case LFUN_MATH_INSERT:
1894         case LFUN_MATH_SUBSCRIPT:
1895         case LFUN_MATH_SUPERSCRIPT:
1896         case LFUN_FONT_DEFAULT:
1897         case LFUN_FONT_UNDERLINE:
1898         case LFUN_FONT_SIZE:
1899         case LFUN_LANGUAGE:
1900         case LFUN_FONT_FREE_APPLY:
1901         case LFUN_FONT_FREE_UPDATE:
1902         case LFUN_LAYOUT_PARAGRAPH:
1903         case LFUN_PARAGRAPH_UPDATE:
1904         case LFUN_ACCENT_UMLAUT:
1905         case LFUN_ACCENT_CIRCUMFLEX:
1906         case LFUN_ACCENT_GRAVE:
1907         case LFUN_ACCENT_ACUTE:
1908         case LFUN_ACCENT_TILDE:
1909         case LFUN_ACCENT_CEDILLA:
1910         case LFUN_ACCENT_MACRON:
1911         case LFUN_ACCENT_DOT:
1912         case LFUN_ACCENT_UNDERDOT:
1913         case LFUN_ACCENT_UNDERBAR:
1914         case LFUN_ACCENT_CARON:
1915         case LFUN_ACCENT_SPECIAL_CARON:
1916         case LFUN_ACCENT_BREVE:
1917         case LFUN_ACCENT_TIE:
1918         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1919         case LFUN_ACCENT_CIRCLE:
1920         case LFUN_ACCENT_OGONEK:
1921         case LFUN_THESAURUS_ENTRY:
1922         case LFUN_PARAGRAPH_PARAMS_APPLY:
1923         case LFUN_PARAGRAPH_PARAMS:
1924         case LFUN_ESCAPE:
1925         case LFUN_BUFFER_END:
1926         case LFUN_BUFFER_BEGIN:
1927         case LFUN_BUFFER_BEGIN_SELECT:
1928         case LFUN_BUFFER_END_SELECT:
1929         case LFUN_UNICODE_INSERT:
1930                 // these are handled in our dispatch()
1931                 enable = true;
1932                 break;
1933
1934         default:
1935                 return false;
1936         }
1937
1938         if (code != Inset::NO_CODE
1939             && (cur.empty() || !cur.inset().insetAllowed(code)))
1940                 enable = false;
1941
1942         flag.enabled(enable);
1943         return true;
1944 }
1945
1946
1947 void Text::pasteString(Cursor & cur, docstring const & clip,
1948                 bool asParagraphs)
1949 {
1950         cur.clearSelection();
1951         if (!clip.empty()) {
1952                 recordUndo(cur);
1953                 if (asParagraphs)
1954                         insertStringAsParagraphs(cur, clip);
1955                 else
1956                         insertStringAsLines(cur, clip);
1957         }
1958 }
1959
1960 } // namespace lyx