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 "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "Buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "BufferParams.h"
  26 #include "BufferView.h"
  27 #include "bufferview_funcs.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 "LyXAction.h"
  39 #include "LyXFunc.h"
  40 #include "Lexer.h"
  41 #include "LyXRC.h"
  42 #include "Paragraph.h"
  43 #include "paragraph_funcs.h"
  44 #include "ParagraphParameters.h"
  45 #include "Undo.h"
  46 #include "VSpace.h"
  47 #include "ParIterator.h"
  48
  49 #include "frontends/Clipboard.h"
  50 #include "frontends/Selection.h"
  51
  52 #include "insets/InsetCommand.h"
  53 #include "insets/InsetFloatList.h"
  54 #include "insets/InsetNewline.h"
  55 #include "insets/InsetQuotes.h"
  56 #include "insets/InsetSpecialChar.h"
  57 #include "insets/InsetText.h"
  58
  59 #include "support/lstrings.h"
  60 #include "support/lyxlib.h"
  61 #include "support/convert.h"
  62 #include "support/lyxtime.h"
  63
  64 #include "mathed/InsetMathHull.h"
  65 #include "mathed/MathMacroTemplate.h"
  66
  67 #include <boost/current_function.hpp>
  68
  69 #include <clocale>
  70 #include <sstream>
  71
  72 using std::endl;
  73 using std::string;
  74 using std::istringstream;
  75 using std::ostringstream;
  76
  77 namespace lyx {
  78
  79 using cap::copySelection;
  80 using cap::cutSelection;
  81 using cap::pasteFromStack;
  82 using cap::pasteClipboard;
  83 using cap::replaceSelection;
  84
  85 using support::isStrUnsignedInt;
  86 using support::token;
  87
  88 namespace frontend {
  89 extern docstring current_layout;
  90 }
  91
  92 namespace {
  93
  94         // globals...
  95         Font freefont(Font::ALL_IGNORE);
  96         bool toggleall = false;
  97
  98         void toggleAndShow(Cursor & cur, Text * text,
  99                 Font const & font, bool toggleall = true)
 100         {
 101                 text->toggleFree(cur, font, toggleall);
 102
 103                 if (font.language() != ignore_language ||
 104                                 font.number() != Font::IGNORE) {
 105                         TextMetrics const & tm = cur.bv().textMetrics(text);
 106                         if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
 107                                                 cur.pos(), cur.real_current_font))
 108                                 text->setCursor(cur, cur.pit(), cur.pos(),
 109                                                 false, !cur.boundary());
 110                 }
 111         }
 112
 113
 114         void moveCursor(Cursor & cur, bool selecting)
 115         {
 116                 if (selecting || cur.mark())
 117                         cur.setSelection();
 118         }
 119
 120
 121         void finishChange(Cursor & cur, bool selecting)
 122         {
 123                 finishUndo();
 124                 moveCursor(cur, selecting);
 125         }
 126
 127
 128         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 129         {
 130                 recordUndo(cur);
 131                 docstring sel = cur.selectionAsString(false);
 132
 133                 // It may happen that sel is empty but there is a selection
 134                 replaceSelection(cur);
 135
 136                 if (sel.empty()) {
 137 #ifdef ENABLE_ASSERTIONS
 138                         const int old_pos = cur.pos();
 139 #endif
 140                         cur.insert(new InsetMathHull(hullSimple));
 141                         BOOST_ASSERT(old_pos == cur.pos());
 142                         cur.nextInset()->edit(cur, true);
 143                         // don't do that also for LFUN_MATH_MODE
 144                         // unless you want end up with always changing
 145                         // to mathrm when opening an inlined inset --
 146                         // I really hate "LyXfunc overloading"...
 147                         if (display)
 148                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 149                         // Avoid an unnecessary undo step if cmd.argument
 150                         // is empty
 151                         if (!cmd.argument().empty())
 152                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 153                                                          cmd.argument()));
 154                 } else {
 155                         // create a macro if we see "\\newcommand"
 156                         // somewhere, and an ordinary formula
 157                         // otherwise
 158                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 159                             && sel.find(from_ascii("\\def")) == string::npos)
 160                         {
 161                                 InsetMathHull * formula = new InsetMathHull;
 162                                 istringstream is(to_utf8(sel));
 163                                 Lexer lex(0, 0);
 164                                 lex.setStream(is);
 165                                 formula->read(cur.buffer(), lex);
 166                                 if (formula->getType() == hullNone)
 167                                         // Don't create pseudo formulas if
 168                                         // delimiters are left out
 169                                         formula->mutate(hullSimple);
 170                                 cur.insert(formula);
 171                         } else {
 172                                 cur.insert(new MathMacroTemplate(sel));
 173                         }
 174                 }
 175                 cur.message(from_utf8(N_("Math editor mode")));
 176         }
 177
 178 } // namespace anon
 179
 180
 181
 182 namespace bv_funcs {
 183
 184 string const freefont2string()
 185 {
 186         string data;
 187         if (font2string(freefont, toggleall, data))
 188                 return data;
 189         return string();
 190 }
 191
 192 }
 193
 194
 195 namespace {
 196
 197 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 198 {
 199         recordUndo(cur);
 200         cap::replaceSelection(cur);
 201         cur.insert(new InsetSpecialChar(kind));
 202         cur.posRight();
 203 }
 204
 205
 206 bool doInsertInset(Cursor & cur, Text * text,
 207         FuncRequest const & cmd, bool edit, bool pastesel)
 208 {
 209         Inset * inset = createInset(&cur.bv(), cmd);
 210         if (!inset)
 211                 return false;
 212
 213         recordUndo(cur);
 214         bool gotsel = false;
 215         if (cur.selection()) {
 216                 lyx::dispatch(FuncRequest(LFUN_CUT));
 217                 gotsel = true;
 218         }
 219         text->insertInset(cur, inset);
 220
 221         if (edit)
 222                 inset->edit(cur, true);
 223
 224         if (gotsel && pastesel) {
 225                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 226                 // reset first par to default
 227                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 228                         LayoutPtr const layout =
 229                                 cur.buffer().params().getTextClass().defaultLayout();
 230                         cur.text()->paragraphs().begin()->layout(layout);
 231                 }
 232         }
 233         return true;
 234 }
 235
 236
 237 } // anon namespace
 238
 239
 240 void Text::number(Cursor & cur)
 241 {
 242         Font font(Font::ALL_IGNORE);
 243         font.setNumber(Font::TOGGLE);
 244         toggleAndShow(cur, this, font);
 245 }
 246
 247
 248 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 249 {
 250         return par.isRTL(buffer.params());
 251 }
 252
 253
 254 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 255 {
 256         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 257
 258         // FIXME: We use the update flag to indicates wether a singlePar or a
 259         // full screen update is needed. We reset it here but shall we restore it
 260         // at the end?
 261         cur.noUpdate();
 262
 263         BOOST_ASSERT(cur.text() == this);
 264         BufferView * bv = &cur.bv();
 265         TextMetrics & tm = cur.bv().textMetrics(this);
 266         CursorSlice oldTopSlice = cur.top();
 267         bool oldBoundary = cur.boundary();
 268         bool sel = cur.selection();
 269         // Signals that, even if needsUpdate == false, an update of the
 270         // cursor paragraph is required
 271         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 272                 LyXAction::SingleParUpdate);
 273         // Signals that a full-screen update is required
 274         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 275                 LyXAction::NoUpdate) || singleParUpdate);
 276         // Remember the old paragraph metric (_outer_ paragraph!)
 277         ParagraphMetrics const & pm = cur.bv().parMetrics(
 278                 cur.bottom().text(), cur.bottom().pit());
 279         Dimension olddim = pm.dim();
 280
 281         switch (cmd.action) {
 282
 283         case LFUN_PARAGRAPH_MOVE_DOWN: {
 284                 pit_type const pit = cur.pit();
 285                 recUndo(cur, pit, pit + 1);
 286                 finishUndo();
 287                 std::swap(pars_[pit], pars_[pit + 1]);
 288                 updateLabels(cur.buffer());
 289                 needsUpdate = true;
 290                 ++cur.pit();
 291                 break;
 292         }
 293
 294         case LFUN_PARAGRAPH_MOVE_UP: {
 295                 pit_type const pit = cur.pit();
 296                 recUndo(cur, pit - 1, pit);
 297                 finishUndo();
 298                 std::swap(pars_[pit], pars_[pit - 1]);
 299                 updateLabels(cur.buffer());
 300                 --cur.pit();
 301                 needsUpdate = true;
 302                 break;
 303         }
 304
 305         case LFUN_APPENDIX: {
 306                 Paragraph & par = cur.paragraph();
 307                 bool start = !par.params().startOfAppendix();
 308
 309 // FIXME: The code below only makes sense at top level.
 310 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 311                 // ensure that we have only one start_of_appendix in this document
 312                 // FIXME: this don't work for multipart document!
 313                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 314                         if (pars_[tmp].params().startOfAppendix()) {
 315                                 recUndo(cur, tmp);
 316                                 pars_[tmp].params().startOfAppendix(false);
 317                                 break;
 318                         }
 319                 }
 320
 321                 recordUndo(cur);
 322                 par.params().startOfAppendix(start);
 323
 324                 // we can set the refreshing parameters now
 325                 updateLabels(cur.buffer());
 326                 break;
 327         }
 328
 329         case LFUN_WORD_DELETE_FORWARD:
 330                 if (cur.selection()) {
 331                         cutSelection(cur, true, false);
 332                 } else
 333                         deleteWordForward(cur);
 334                 finishChange(cur, false);
 335                 break;
 336
 337         case LFUN_WORD_DELETE_BACKWARD:
 338                 if (cur.selection()) {
 339                         cutSelection(cur, true, false);
 340                 } else
 341                         deleteWordBackward(cur);
 342                 finishChange(cur, false);
 343                 break;
 344
 345         case LFUN_LINE_DELETE:
 346                 if (cur.selection()) {
 347                         cutSelection(cur, true, false);
 348                 } else
 349                         tm.deleteLineForward(cur);
 350                 finishChange(cur, false);
 351                 break;
 352
 353         case LFUN_BUFFER_BEGIN:
 354         case LFUN_BUFFER_BEGIN_SELECT:
 355                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 356                 if (cur.depth() == 1) {
 357                         needsUpdate |= cursorTop(cur);
 358                 } else {
 359                         cur.undispatched();
 360                 }
 361                 break;
 362
 363         case LFUN_BUFFER_END:
 364         case LFUN_BUFFER_END_SELECT:
 365                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 366                 if (cur.depth() == 1) {
 367                         needsUpdate |= cursorBottom(cur);
 368                 } else {
 369                         cur.undispatched();
 370                 }
 371                 break;
 372
 373         case LFUN_CHAR_FORWARD:
 374         case LFUN_CHAR_FORWARD_SELECT:
 375                 //lyxerr << BOOST_CURRENT_FUNCTION
 376                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 377                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 378                 if (reverseDirectionNeeded(cur))
 379                         needsUpdate |= cursorLeft(cur);
 380                 else
 381                         needsUpdate |= cursorRight(cur);
 382
 383                 if (!needsUpdate && oldTopSlice == cur.top()
 384                                 && cur.boundary() == oldBoundary) {
 385                         cur.undispatched();
 386                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 387                 }
 388                 break;
 389
 390         case LFUN_CHAR_BACKWARD:
 391         case LFUN_CHAR_BACKWARD_SELECT:
 392                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 393                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 394                 if (reverseDirectionNeeded(cur))
 395                         needsUpdate |= cursorRight(cur);
 396                 else
 397                         needsUpdate |= cursorLeft(cur);
 398
 399                 if (!needsUpdate && oldTopSlice == cur.top()
 400                         && cur.boundary() == oldBoundary) {
 401                         cur.undispatched();
 402                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 403                 }
 404                 break;
 405
 406         case LFUN_UP_SELECT:
 407         case LFUN_DOWN_SELECT:
 408         case LFUN_UP:
 409         case LFUN_DOWN: {
 410                 // stop/start the selection
 411                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 412                         cmd.action == LFUN_UP_SELECT;
 413                 cur.selHandle(select);
 414
 415                 // move cursor up/down
 416                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 417                 bool const successful = cur.upDownInText(up, needsUpdate);
 418                 if (successful) {
 419                         // notify insets which were left and get their update flags
 420                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 421                         cur.fixIfBroken();
 422
 423                         // redraw if you leave mathed (for the decorations)
 424                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 425                 } else
 426                         cur.undispatched();
 427
 428                 break;
 429         }
 430
 431         case LFUN_PARAGRAPH_UP:
 432         case LFUN_PARAGRAPH_UP_SELECT:
 433                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 434                 needsUpdate |= cursorUpParagraph(cur);
 435                 break;
 436
 437         case LFUN_PARAGRAPH_DOWN:
 438         case LFUN_PARAGRAPH_DOWN_SELECT:
 439                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 440                 needsUpdate |= cursorDownParagraph(cur);
 441                 break;
 442
 443         case LFUN_SCREEN_UP:
 444         case LFUN_SCREEN_UP_SELECT:
 445                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 446                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 447                         cur.undispatched();
 448                 else {
 449                         tm.cursorPrevious(cur);
 450                 }
 451                 break;
 452
 453         case LFUN_SCREEN_DOWN:
 454         case LFUN_SCREEN_DOWN_SELECT:
 455                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 456                 if (cur.pit() == cur.lastpit()
 457                           && cur.textRow().endpos() == cur.lastpos())
 458                         cur.undispatched();
 459                 else {
 460                         tm.cursorNext(cur);
 461                 }
 462                 break;
 463
 464         case LFUN_LINE_BEGIN:
 465         case LFUN_LINE_BEGIN_SELECT:
 466                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 467                 needsUpdate |= tm.cursorHome(cur);
 468                 break;
 469
 470         case LFUN_LINE_END:
 471         case LFUN_LINE_END_SELECT:
 472                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 473                 needsUpdate |= tm.cursorEnd(cur);
 474                 break;
 475
 476         case LFUN_WORD_FORWARD:
 477         case LFUN_WORD_FORWARD_SELECT:
 478                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 479                 if (reverseDirectionNeeded(cur))
 480                         needsUpdate |= cursorLeftOneWord(cur);
 481                 else
 482                         needsUpdate |= cursorRightOneWord(cur);
 483                 break;
 484
 485         case LFUN_WORD_BACKWARD:
 486         case LFUN_WORD_BACKWARD_SELECT:
 487                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 488                 if (reverseDirectionNeeded(cur))
 489                         needsUpdate |= cursorRightOneWord(cur);
 490                 else
 491                         needsUpdate |= cursorLeftOneWord(cur);
 492                 break;
 493
 494         case LFUN_WORD_SELECT: {
 495                 selectWord(cur, WHOLE_WORD);
 496                 finishChange(cur, true);
 497                 break;
 498         }
 499
 500         case LFUN_BREAK_LINE: {
 501                 // Not allowed by LaTeX (labels or empty par)
 502                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 503                         // this avoids a double undo
 504                         // FIXME: should not be needed, ideally
 505                         if (!cur.selection())
 506                                 recordUndo(cur);
 507                         cap::replaceSelection(cur);
 508                         cur.insert(new InsetNewline);
 509                         cur.posRight();
 510                         moveCursor(cur, false);
 511                 }
 512                 break;
 513         }
 514
 515         case LFUN_CHAR_DELETE_FORWARD:
 516                 if (!cur.selection()) {
 517                         if (cur.pos() == cur.paragraph().size())
 518                                 // Par boundary, force full-screen update
 519                                 singleParUpdate = false;
 520                         needsUpdate |= erase(cur);
 521                         cur.resetAnchor();
 522                         // It is possible to make it a lot faster still
 523                         // just comment out the line below...
 524                 } else {
 525                         cutSelection(cur, true, false);
 526                         singleParUpdate = false;
 527                 }
 528                 moveCursor(cur, false);
 529                 break;
 530
 531         case LFUN_DELETE_FORWARD_SKIP:
 532                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 533                 if (!cur.selection()) {
 534                         if (cur.pos() == cur.lastpos()) {
 535                                 cursorRight(cur);
 536                                 cursorLeft(cur);
 537                         }
 538                         erase(cur);
 539                         cur.resetAnchor();
 540                 } else {
 541                         cutSelection(cur, true, false);
 542                 }
 543                 break;
 544
 545
 546         case LFUN_CHAR_DELETE_BACKWARD:
 547                 if (!cur.selection()) {
 548                         if (bv->getIntl().getTransManager().backspace()) {
 549                                 // Par boundary, full-screen update
 550                                 if (cur.pos() == 0)
 551                                         singleParUpdate = false;
 552                                 needsUpdate |= backspace(cur);
 553                                 cur.resetAnchor();
 554                                 // It is possible to make it a lot faster still
 555                                 // just comment out the line below...
 556                         }
 557                 } else {
 558                         cutSelection(cur, true, false);
 559                         singleParUpdate = false;
 560                 }
 561                 break;
 562
 563         case LFUN_DELETE_BACKWARD_SKIP:
 564                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 565                 if (!cur.selection()) {
 566                         // FIXME: look here
 567                         //CursorSlice cur = cursor();
 568                         backspace(cur);
 569                         //anchor() = cur;
 570                 } else {
 571                         cutSelection(cur, true, false);
 572                 }
 573                 break;
 574
 575         case LFUN_BREAK_PARAGRAPH:
 576                 cap::replaceSelection(cur);
 577                 breakParagraph(cur, 0);
 578                 cur.resetAnchor();
 579                 break;
 580
 581         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 582                 cap::replaceSelection(cur);
 583                 breakParagraph(cur, 1);
 584                 cur.resetAnchor();
 585                 break;
 586
 587         case LFUN_BREAK_PARAGRAPH_SKIP: {
 588                 // When at the beginning of a paragraph, remove
 589                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 590                 cap::replaceSelection(cur);
 591                 if (cur.pos() == 0)
 592                         cur.paragraph().params().labelWidthString(docstring());
 593                 else
 594                         breakParagraph(cur, 0);
 595                 cur.resetAnchor();
 596                 break;
 597         }
 598
 599         // TODO
 600         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 601         // as its duties can be performed there. Should it be removed??
 602         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 603         case LFUN_PARAGRAPH_SPACING: {
 604                 Paragraph & par = cur.paragraph();
 605                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 606                 string cur_value = "1.0";
 607                 if (cur_spacing == Spacing::Other)
 608                         cur_value = par.params().spacing().getValueAsString();
 609
 610                 istringstream is(to_utf8(cmd.argument()));
 611                 string tmp;
 612                 is >> tmp;
 613                 Spacing::Space new_spacing = cur_spacing;
 614                 string new_value = cur_value;
 615                 if (tmp.empty()) {
 616                         lyxerr << "Missing argument to `paragraph-spacing'"
 617                                << endl;
 618                 } else if (tmp == "single") {
 619                         new_spacing = Spacing::Single;
 620                 } else if (tmp == "onehalf") {
 621                         new_spacing = Spacing::Onehalf;
 622                 } else if (tmp == "double") {
 623                         new_spacing = Spacing::Double;
 624                 } else if (tmp == "other") {
 625                         new_spacing = Spacing::Other;
 626                         string tmpval = "0.0";
 627                         is >> tmpval;
 628                         lyxerr << "new_value = " << tmpval << endl;
 629                         if (tmpval != "0.0")
 630                                 new_value = tmpval;
 631                 } else if (tmp == "default") {
 632                         new_spacing = Spacing::Default;
 633                 } else {
 634                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 635                                << to_utf8(cmd.argument()) << endl;
 636                 }
 637                 if (cur_spacing != new_spacing || cur_value != new_value)
 638                         par.params().spacing(Spacing(new_spacing, new_value));
 639                 break;
 640         }
 641
 642         case LFUN_INSET_INSERT: {
 643                 recordUndo(cur);
 644                 Inset * inset = createInset(bv, cmd);
 645                 if (inset) {
 646                         // FIXME (Abdel 01/02/2006):
 647                         // What follows would be a partial fix for bug 2154:
 648                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 649                         // This automatically put the label inset _after_ a
 650                         // numbered section. It should be possible to extend the mechanism
 651                         // to any kind of LateX environement.
 652                         // The correct way to fix that bug would be at LateX generation.
 653                         // I'll let the code here for reference as it could be used for some
 654                         // other feature like "automatic labelling".
 655                         /*
 656                         Paragraph & par = pars_[cur.pit()];
 657                         if (inset->lyxCode() == Inset::LABEL_CODE
 658                                 && par.layout()->labeltype == LABEL_COUNTER) {
 659                                 // Go to the end of the paragraph
 660                                 // Warning: Because of Change-Tracking, the last
 661                                 // position is 'size()' and not 'size()-1':
 662                                 cur.pos() = par.size();
 663                                 // Insert a new paragraph
 664                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 665                                 dispatch(cur, fr);
 666                         }
 667                         */
 668                         if (cur.selection())
 669                                 cutSelection(cur, true, false);
 670                         insertInset(cur, inset);
 671                         cur.posRight();
 672                 }
 673                 break;
 674         }
 675
 676         case LFUN_INSET_DISSOLVE:
 677                 needsUpdate |= dissolveInset(cur);
 678                 break;
 679
 680         case LFUN_INSET_SETTINGS:
 681                 cur.inset().showInsetDialog(bv);
 682                 break;
 683
 684         case LFUN_SPACE_INSERT:
 685                 if (cur.paragraph().layout()->free_spacing)
 686                         insertChar(cur, ' ');
 687                 else {
 688                         doInsertInset(cur, this, cmd, false, false);
 689                         cur.posRight();
 690                 }
 691                 moveCursor(cur, false);
 692                 break;
 693
 694         case LFUN_HYPHENATION_POINT_INSERT:
 695                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 696                 break;
 697
 698         case LFUN_LIGATURE_BREAK_INSERT:
 699                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 700                 break;
 701
 702         case LFUN_DOTS_INSERT:
 703                 specialChar(cur, InsetSpecialChar::LDOTS);
 704                 break;
 705
 706         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 707                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 708                 break;
 709
 710         case LFUN_MENU_SEPARATOR_INSERT:
 711                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 712                 break;
 713
 714         case LFUN_WORD_UPCASE:
 715                 changeCase(cur, Text::text_uppercase);
 716                 break;
 717
 718         case LFUN_WORD_LOWCASE:
 719                 changeCase(cur, Text::text_lowercase);
 720                 break;
 721
 722         case LFUN_WORD_CAPITALIZE:
 723                 changeCase(cur, Text::text_capitalization);
 724                 break;
 725
 726         case LFUN_CHARS_TRANSPOSE:
 727                 charsTranspose(cur);
 728                 break;
 729
 730         case LFUN_PASTE:
 731                 cur.message(_("Paste"));
 732                 cap::replaceSelection(cur);
 733                 if (cmd.argument().empty() && !theClipboard().isInternal())
 734                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 735                 else {
 736                         string const arg(to_utf8(cmd.argument()));
 737                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 738                                         isStrUnsignedInt(arg) ?
 739                                                 convert<unsigned int>(arg) :
 740                                                 0);
 741                 }
 742                 bv->buffer().errors("Paste");
 743                 cur.clearSelection(); // bug 393
 744                 finishUndo();
 745                 break;
 746
 747         case LFUN_CUT:
 748                 cutSelection(cur, true, true);
 749                 cur.message(_("Cut"));
 750                 break;
 751
 752         case LFUN_COPY:
 753                 copySelection(cur);
 754                 cur.message(_("Copy"));
 755                 break;
 756
 757         case LFUN_SERVER_GET_XY:
 758                 cur.message(from_utf8(
 759                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 760                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 761                 break;
 762
 763         case LFUN_SERVER_SET_XY: {
 764                 int x = 0;
 765                 int y = 0;
 766                 istringstream is(to_utf8(cmd.argument()));
 767                 is >> x >> y;
 768                 if (!is)
 769                         lyxerr << "SETXY: Could not parse coordinates in '"
 770                                << to_utf8(cmd.argument()) << std::endl;
 771                 else
 772                         tm.setCursorFromCoordinates(cur, x, y);
 773                 break;
 774         }
 775
 776         case LFUN_SERVER_GET_FONT:
 777                 if (cur.current_font.shape() == Font::ITALIC_SHAPE)
 778                         cur.message(from_ascii("E"));
 779                 else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
 780                         cur.message(from_ascii("N"));
 781                 else
 782                         cur.message(from_ascii("0"));
 783                 break;
 784
 785         case LFUN_SERVER_GET_LAYOUT:
 786                 cur.message(cur.paragraph().layout()->name());
 787                 break;
 788
 789         case LFUN_LAYOUT: {
 790                 docstring layout = cmd.argument();
 791                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 792
 793                 // Derive layout number from given argument (string)
 794                 // and current buffer's textclass (number)
 795                 TextClass const & tclass = bv->buffer().params().getTextClass();
 796                 if (layout.empty())
 797                         layout = tclass.defaultLayoutName();
 798                 bool hasLayout = tclass.hasLayout(layout);
 799
 800                 // If the entry is obsolete, use the new one instead.
 801                 if (hasLayout) {
 802                         docstring const & obs = tclass[layout]->obsoleted_by();
 803                         if (!obs.empty())
 804                                 layout = obs;
 805                 }
 806
 807                 if (!hasLayout) {
 808                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 809                                 from_utf8(N_(" not known")));
 810                         break;
 811                 }
 812
 813                 bool change_layout = (frontend::current_layout != layout);
 814
 815                 if (!change_layout && cur.selection() &&
 816                         cur.selBegin().pit() != cur.selEnd().pit())
 817                 {
 818                         pit_type spit = cur.selBegin().pit();
 819                         pit_type epit = cur.selEnd().pit() + 1;
 820                         while (spit != epit) {
 821                                 if (pars_[spit].layout()->name() != frontend::current_layout) {
 822                                         change_layout = true;
 823                                         break;
 824                                 }
 825                                 ++spit;
 826                         }
 827                 }
 828
 829                 if (change_layout) {
 830                         setLayout(cur, layout);
 831                         // inform the GUI that the layout has changed.
 832                         bv->layoutChanged(layout);
 833                 }
 834                 break;
 835         }
 836
 837         case LFUN_CLIPBOARD_PASTE:
 838                 cur.clearSelection();
 839                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 840                                cmd.argument() == "paragraph");
 841                 bv->buffer().errors("Paste");
 842                 break;
 843
 844         case LFUN_PRIMARY_SELECTION_PASTE:
 845                 pasteString(cur, theSelection().get(),
 846                             cmd.argument() == "paragraph");
 847                 break;
 848
 849         case LFUN_UNICODE_INSERT: {
 850                 if (cmd.argument().empty())
 851                         break;
 852                 docstring hexstring = cmd.argument();
 853                 if (lyx::support::isHex(hexstring)) {
 854                         char_type c = lyx::support::hexToInt(hexstring);
 855                         if (c >= 32 && c < 0x10ffff) {
 856                                 lyxerr << "Inserting c: " << c << endl;
 857                                 docstring s = docstring(1, c);
 858                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 859                         }
 860                 }
 861                 break;
 862         }
 863
 864         case LFUN_QUOTE_INSERT: {
 865                 Paragraph & par = cur.paragraph();
 866                 pos_type pos = cur.pos();
 867                 BufferParams const & bufparams = bv->buffer().params();
 868                 LayoutPtr const & style = par.layout();
 869                 if (!style->pass_thru
 870                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 871                         // this avoids a double undo
 872                         // FIXME: should not be needed, ideally
 873                         if (!cur.selection())
 874                                 recordUndo(cur);
 875                         cap::replaceSelection(cur);
 876                         pos = cur.pos();
 877                         char_type c;
 878                         if (pos == 0)
 879                                 c = ' ';
 880                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 881                                 c = ' ';
 882                         else
 883                                 c = par.getChar(pos - 1);
 884                         string arg = to_utf8(cmd.argument());
 885                         if (arg == "single")
 886                                 cur.insert(new InsetQuotes(c,
 887                                     bufparams.quotes_language,
 888                                     InsetQuotes::SingleQ));
 889                         else
 890                                 cur.insert(new InsetQuotes(c,
 891                                     bufparams.quotes_language,
 892                                     InsetQuotes::DoubleQ));
 893                         cur.posRight();
 894                 }
 895                 else
 896                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 897                 break;
 898         }
 899
 900         case LFUN_DATE_INSERT: {
 901                 string const format = cmd.argument().empty()
 902                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 903                 string const time = formatted_time(current_time(), format);
 904                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 905                 break;
 906         }
 907
 908         case LFUN_MOUSE_TRIPLE:
 909                 if (cmd.button() == mouse_button::button1) {
 910                         tm.cursorHome(cur);
 911                         cur.resetAnchor();
 912                         tm.cursorEnd(cur);
 913                         cur.setSelection();
 914                         bv->cursor() = cur;
 915                 }
 916                 break;
 917
 918         case LFUN_MOUSE_DOUBLE:
 919                 if (cmd.button() == mouse_button::button1) {
 920                         selectWord(cur, WHOLE_WORD_STRICT);
 921                         bv->cursor() = cur;
 922                 }
 923                 break;
 924
 925         // Single-click on work area
 926         case LFUN_MOUSE_PRESS: {
 927                 // Right click on a footnote flag opens float menu
 928                 if (cmd.button() == mouse_button::button3)
 929                         cur.clearSelection();
 930
 931                 // Set the cursor
 932                 bool update = bv->mouseSetCursor(cur);
 933
 934                 // Insert primary selection with middle mouse
 935                 // if there is a local selection in the current buffer,
 936                 // insert this
 937                 if (cmd.button() == mouse_button::button2) {
 938                         if (cap::selection()) {
 939                                 // Copy the selection buffer to the clipboard
 940                                 // stack, because we want it to appear in the
 941                                 // "Edit->Paste recent" menu.
 942                                 cap::copySelectionToStack();
 943
 944                                 cap::pasteSelection(bv->cursor(),
 945                                                     bv->buffer().errorList("Paste"));
 946                                 bv->buffer().errors("Paste");
 947                                 bv->buffer().markDirty();
 948                                 finishUndo();
 949                         } else {
 950                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 951                         }
 952                 }
 953
 954                 // we have to update after dEPM triggered
 955                 if (!update && cmd.button() == mouse_button::button1) {
 956                         needsUpdate = false;
 957                         cur.noUpdate();
 958                 }
 959
 960                 break;
 961         }
 962
 963         case LFUN_MOUSE_MOTION: {
 964                 // Only use motion with button 1
 965                 //if (cmd.button() != mouse_button::button1)
 966                 //      return false;
 967
 968                 // ignore motions deeper nested than the real anchor
 969                 Cursor & bvcur = cur.bv().cursor();
 970                 if (bvcur.anchor_.hasPart(cur)) {
 971                         CursorSlice old = bvcur.top();
 972
 973                         int const wh = bv->workHeight();
 974                         int const y = std::max(0, std::min(wh - 1, cmd.y));
 975
 976                         tm.setCursorFromCoordinates(cur, cmd.x, y);
 977                         cur.setTargetX(cmd.x);
 978                         if (cmd.y >= wh)
 979                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 980                         else if (cmd.y < 0)
 981                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 982                         // This is to allow jumping over large insets
 983                         if (cur.top() == old) {
 984                                 if (cmd.y >= wh)
 985                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 986                                 else if (cmd.y < 0)
 987                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 988                         }
 989
 990                         if (cur.top() == old)
 991                                 cur.noUpdate();
 992                         else {
 993                                 // don't set anchor_
 994                                 bvcur.setCursor(cur);
 995                                 bvcur.selection() = true;
 996                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
 997                         }
 998
 999                 } else
1000                         cur.undispatched();
1001                 break;
1002         }
1003
1004         case LFUN_MOUSE_RELEASE: {
1005                 if (cmd.button() == mouse_button::button2)
1006                         break;
1007
1008                 if (cmd.button() == mouse_button::button1) {
1009                         // if there is new selection, update persistent
1010                         // selection, otherwise, single click does not
1011                         // clear persistent selection buffer
1012                         if (cur.selection()) {
1013                                 // finish selection
1014                                 // if double click, cur is moved to the end of word by selectWord
1015                                 // but bvcur is current mouse position
1016                                 Cursor & bvcur = cur.bv().cursor();
1017                                 bvcur.selection() = true;
1018                         }
1019                         needsUpdate = false;
1020                         cur.noUpdate();
1021                 }
1022
1023                 break;
1024         }
1025
1026         case LFUN_SELF_INSERT: {
1027                 if (cmd.argument().empty())
1028                         break;
1029
1030                 // Automatically delete the currently selected
1031                 // text and replace it with what is being
1032                 // typed in now. Depends on lyxrc settings
1033                 // "auto_region_delete", which defaults to
1034                 // true (on).
1035
1036                 if (lyxrc.auto_region_delete && cur.selection()) {
1037                         cutSelection(cur, false, false);
1038                         // When change tracking is set to off, the metrics update
1039                         // mechanism correctly detects if a full update is needed or not.
1040                         // This detection fails when a selection spans multiple rows and
1041                         // change tracking is enabled because the paragraph metrics stays
1042                         // the same. In this case, we force the full update:
1043                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1044                         if (cur.buffer().params().trackChanges)
1045                                 cur.updateFlags(Update::Force);
1046                 }
1047
1048                 cur.clearSelection();
1049                 Font const old_font = cur.real_current_font;
1050
1051                 docstring::const_iterator cit = cmd.argument().begin();
1052                 docstring::const_iterator end = cmd.argument().end();
1053                 for (; cit != end; ++cit)
1054                         bv->translateAndInsert(*cit, this, cur);
1055
1056                 cur.resetAnchor();
1057                 moveCursor(cur, false);
1058                 break;
1059         }
1060
1061         case LFUN_URL_INSERT: {
1062                 InsetCommandParams p("url");
1063                 docstring content;
1064                 if (cur.selection()) {
1065                         content = cur.selectionAsString(false);
1066                         cutSelection(cur, true, false);
1067                 }
1068                 p["target"] = (cmd.argument().empty()) ?
1069                         content : cmd.argument();
1070                 string const data = InsetCommandMailer::params2string("url", p);
1071                 if (p["target"].empty()) {
1072                         bv->showInsetDialog("url", data, 0);
1073                 } else {
1074                         FuncRequest fr(LFUN_INSET_INSERT, data);
1075                         dispatch(cur, fr);
1076                 }
1077                 break;
1078         }
1079
1080         case LFUN_HTML_INSERT: {
1081                 InsetCommandParams p("htmlurl");
1082                 docstring content;
1083                 if (cur.selection()) {
1084                         content = cur.selectionAsString(false);
1085                         cutSelection(cur, true, false);
1086                 }
1087                 p["target"] = (cmd.argument().empty()) ?
1088                         content : cmd.argument();
1089                 string const data = InsetCommandMailer::params2string("url", p);
1090                 if (p["target"].empty()) {
1091                         bv->showInsetDialog("url", data, 0);
1092                 } else {
1093                         FuncRequest fr(LFUN_INSET_INSERT, data);
1094                         dispatch(cur, fr);
1095                 }
1096                 break;
1097         }
1098
1099         case LFUN_LABEL_INSERT: {
1100                 InsetCommandParams p("label");
1101                 // Try to generate a valid label
1102                 p["name"] = (cmd.argument().empty()) ?
1103                         cur.getPossibleLabel() :
1104                         cmd.argument();
1105                 string const data = InsetCommandMailer::params2string("label", p);
1106
1107                 if (cmd.argument().empty()) {
1108                         bv->showInsetDialog("label", data, 0);
1109                 } else {
1110                         FuncRequest fr(LFUN_INSET_INSERT, data);
1111                         dispatch(cur, fr);
1112                 }
1113                 break;
1114         }
1115
1116
1117 #if 0
1118         case LFUN_LIST_INSERT:
1119         case LFUN_THEOREM_INSERT:
1120 #endif
1121         case LFUN_CAPTION_INSERT:
1122                 // Open the inset, and move the current selection
1123                 // inside it.
1124                 doInsertInset(cur, this, cmd, true, true);
1125                 cur.posRight();
1126                 updateLabels(bv->buffer());
1127                 break;
1128         case LFUN_NOTE_INSERT:
1129         case LFUN_FLEX_INSERT:
1130         case LFUN_BOX_INSERT:
1131         case LFUN_BRANCH_INSERT:
1132         case LFUN_BIBITEM_INSERT:
1133         case LFUN_ERT_INSERT:
1134         case LFUN_LISTING_INSERT:
1135         case LFUN_FOOTNOTE_INSERT:
1136         case LFUN_MARGINALNOTE_INSERT:
1137         case LFUN_OPTIONAL_INSERT:
1138         case LFUN_ENVIRONMENT_INSERT:
1139                 // Open the inset, and move the current selection
1140                 // inside it.
1141                 doInsertInset(cur, this, cmd, true, true);
1142                 cur.posRight();
1143                 break;
1144
1145         case LFUN_TABULAR_INSERT:
1146                 // if there were no arguments, just open the dialog
1147                 if (doInsertInset(cur, this, cmd, false, true))
1148                         cur.posRight();
1149                 else
1150                         bv->showDialog("tabularcreate");
1151
1152                 break;
1153
1154         case LFUN_FLOAT_INSERT:
1155         case LFUN_FLOAT_WIDE_INSERT:
1156         case LFUN_WRAP_INSERT: {
1157                 bool content = cur.selection();  // will some text be moved into the inset?
1158
1159                 doInsertInset(cur, this, cmd, true, true);
1160                 cur.posRight();
1161                 ParagraphList & pars = cur.text()->paragraphs();
1162
1163                 TextClass const & tclass = bv->buffer().params().getTextClass();
1164
1165                 // add a separate paragraph for the caption inset
1166                 pars.push_back(Paragraph());
1167                 pars.back().setInsetOwner(pars[0].inInset());
1168                 pars.back().layout(tclass.defaultLayout());
1169
1170                 int cap_pit = pars.size() - 1;
1171
1172                 // if an empty inset was created, we create an additional empty
1173                 // paragraph at the bottom so that the user can choose where to put
1174                 // the graphics (or table).
1175                 if (!content) {
1176                         pars.push_back(Paragraph());
1177                         pars.back().setInsetOwner(pars[0].inInset());
1178                         pars.back().layout(tclass.defaultLayout());
1179
1180                 }
1181
1182                 // reposition the cursor to the caption
1183                 cur.pit() = cap_pit;
1184                 cur.pos() = 0;
1185                 // FIXME: This Text/Cursor dispatch handling is a mess!
1186                 // We cannot use Cursor::dispatch here it needs access to up to
1187                 // date metrics.
1188                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1189                 cur.text()->dispatch(cur, cmd_caption);
1190                 cur.updateFlags(Update::Force);
1191                 // FIXME: When leaving the Float (or Wrap) inset we should
1192                 // delete any empty paragraph left above or below the
1193                 // caption.
1194                 break;
1195         }
1196
1197         case LFUN_INDEX_INSERT:
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                 inset->edit(cur, true);
1206                 // Show the dialog for the nomenclature entry, since the
1207                 // description entry still needs to be filled in.
1208                 if (cmd.action == LFUN_NOMENCL_INSERT)
1209                         InsetCommandMailer("nomenclature",
1210                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1211                 cur.posRight();
1212                 break;
1213         }
1214
1215         case LFUN_INDEX_PRINT:
1216         case LFUN_NOMENCL_PRINT:
1217         case LFUN_TOC_INSERT:
1218         case LFUN_HFILL_INSERT:
1219         case LFUN_LINE_INSERT:
1220         case LFUN_PAGEBREAK_INSERT:
1221         case LFUN_CLEARPAGE_INSERT:
1222         case LFUN_CLEARDOUBLEPAGE_INSERT:
1223                 // do nothing fancy
1224                 doInsertInset(cur, this, cmd, false, false);
1225                 cur.posRight();
1226                 break;
1227
1228         case LFUN_DEPTH_DECREMENT:
1229                 changeDepth(cur, DEC_DEPTH);
1230                 break;
1231
1232         case LFUN_DEPTH_INCREMENT:
1233                 changeDepth(cur, INC_DEPTH);
1234                 break;
1235
1236         case LFUN_MATH_DISPLAY:
1237                 mathDispatch(cur, cmd, true);
1238                 break;
1239
1240         case LFUN_MATH_IMPORT_SELECTION:
1241         case LFUN_MATH_MODE:
1242                 if (cmd.argument() == "on")
1243                         // don't pass "on" as argument
1244                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1245                 else
1246                         mathDispatch(cur, cmd, false);
1247                 break;
1248
1249         case LFUN_MATH_MACRO:
1250                 if (cmd.argument().empty())
1251                         cur.errorMessage(from_utf8(N_("Missing argument")));
1252                 else {
1253                         string s = to_utf8(cmd.argument());
1254                         string const s1 = token(s, ' ', 1);
1255                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1256                         string const s2 = token(s, ' ', 2);
1257                         string const type = s2.empty() ? "newcommand" : s2;
1258                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1259                         //cur.nextInset()->edit(cur, true);
1260                 }
1261                 break;
1262
1263         // passthrough hat and underscore outside mathed:
1264         case LFUN_MATH_SUBSCRIPT:
1265                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1266                 break;
1267         case LFUN_MATH_SUPERSCRIPT:
1268                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1269                 break;
1270
1271         case LFUN_MATH_INSERT:
1272         case LFUN_MATH_MATRIX:
1273         case LFUN_MATH_DELIM:
1274         case LFUN_MATH_BIGDELIM: {
1275                 if (cur.selection())
1276                         cur.clearSelection();
1277                 // FIXME: instead of the above, this one
1278                 // should be used (but it asserts with Bidi enabled)
1279                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1280                 // cap::replaceSelection(cur);
1281                 cur.insert(new InsetMathHull(hullSimple));
1282                 checkAndActivateInset(cur, true);
1283                 BOOST_ASSERT(cur.inMathed());
1284                 cur.dispatch(cmd);
1285                 break;
1286         }
1287
1288         case LFUN_FONT_EMPH: {
1289                 Font font(Font::ALL_IGNORE);
1290                 font.setEmph(Font::TOGGLE);
1291                 toggleAndShow(cur, this, font);
1292                 break;
1293         }
1294
1295         case LFUN_FONT_BOLD: {
1296                 Font font(Font::ALL_IGNORE);
1297                 font.setSeries(Font::BOLD_SERIES);
1298                 toggleAndShow(cur, this, font);
1299                 break;
1300         }
1301
1302         case LFUN_FONT_NOUN: {
1303                 Font font(Font::ALL_IGNORE);
1304                 font.setNoun(Font::TOGGLE);
1305                 toggleAndShow(cur, this, font);
1306                 break;
1307         }
1308
1309         case LFUN_FONT_CODE: {
1310                 Font font(Font::ALL_IGNORE);
1311                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1312                 toggleAndShow(cur, this, font);
1313                 break;
1314         }
1315
1316         case LFUN_FONT_SANS: {
1317                 Font font(Font::ALL_IGNORE);
1318                 font.setFamily(Font::SANS_FAMILY);
1319                 toggleAndShow(cur, this, font);
1320                 break;
1321         }
1322
1323         case LFUN_FONT_ROMAN: {
1324                 Font font(Font::ALL_IGNORE);
1325                 font.setFamily(Font::ROMAN_FAMILY);
1326                 toggleAndShow(cur, this, font);
1327                 break;
1328         }
1329
1330         case LFUN_FONT_DEFAULT: {
1331                 Font font(Font::ALL_INHERIT, ignore_language);
1332                 toggleAndShow(cur, this, font);
1333                 break;
1334         }
1335
1336         case LFUN_FONT_UNDERLINE: {
1337                 Font font(Font::ALL_IGNORE);
1338                 font.setUnderbar(Font::TOGGLE);
1339                 toggleAndShow(cur, this, font);
1340                 break;
1341         }
1342
1343         case LFUN_FONT_SIZE: {
1344                 Font font(Font::ALL_IGNORE);
1345                 font.setLyXSize(to_utf8(cmd.argument()));
1346                 toggleAndShow(cur, this, font);
1347                 break;
1348         }
1349
1350         case LFUN_LANGUAGE: {
1351                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1352                 if (!lang)
1353                         break;
1354                 Font font(Font::ALL_IGNORE);
1355                 font.setLanguage(lang);
1356                 toggleAndShow(cur, this, font);
1357                 break;
1358         }
1359
1360         case LFUN_FONT_FREE_APPLY:
1361                 toggleAndShow(cur, this, freefont, toggleall);
1362                 cur.message(_("Character set"));
1363                 break;
1364
1365         // Set the freefont using the contents of \param data dispatched from
1366         // the frontends and apply it at the current cursor location.
1367         case LFUN_FONT_FREE_UPDATE: {
1368                 Font font;
1369                 bool toggle;
1370                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1371                         freefont = font;
1372                         toggleall = toggle;
1373                         toggleAndShow(cur, this, freefont, toggleall);
1374                         cur.message(_("Character set"));
1375                 }
1376                 break;
1377         }
1378
1379         case LFUN_FINISHED_LEFT:
1380                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1381                 if (reverseDirectionNeeded(cur))
1382                         ++cur.pos();
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                 break;
1390
1391         case LFUN_LAYOUT_PARAGRAPH: {
1392                 string data;
1393                 params2string(cur.paragraph(), data);
1394                 data = "show\n" + data;
1395                 bv->showDialogWithData("paragraph", data);
1396                 break;
1397         }
1398
1399         case LFUN_PARAGRAPH_UPDATE: {
1400                 string data;
1401                 params2string(cur.paragraph(), data);
1402
1403                 // Will the paragraph accept changes from the dialog?
1404                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1405
1406                 data = "update " + convert<string>(accept) + '\n' + data;
1407                 bv->updateDialog("paragraph", data);
1408                 break;
1409         }
1410
1411         case LFUN_ACCENT_UMLAUT:
1412         case LFUN_ACCENT_CIRCUMFLEX:
1413         case LFUN_ACCENT_GRAVE:
1414         case LFUN_ACCENT_ACUTE:
1415         case LFUN_ACCENT_TILDE:
1416         case LFUN_ACCENT_CEDILLA:
1417         case LFUN_ACCENT_MACRON:
1418         case LFUN_ACCENT_DOT:
1419         case LFUN_ACCENT_UNDERDOT:
1420         case LFUN_ACCENT_UNDERBAR:
1421         case LFUN_ACCENT_CARON:
1422         case LFUN_ACCENT_SPECIAL_CARON:
1423         case LFUN_ACCENT_BREVE:
1424         case LFUN_ACCENT_TIE:
1425         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1426         case LFUN_ACCENT_CIRCLE:
1427         case LFUN_ACCENT_OGONEK:
1428                 theLyXFunc().handleKeyFunc(cmd.action);
1429                 if (!cmd.argument().empty())
1430                         // FIXME: Are all these characters encoded in one byte in utf8?
1431                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1432                 break;
1433
1434         case LFUN_FLOAT_LIST: {
1435                 TextClass const & tclass = bv->buffer().params().getTextClass();
1436                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1437                         recordUndo(cur);
1438                         if (cur.selection())
1439                                 cutSelection(cur, true, false);
1440                         breakParagraph(cur);
1441
1442                         if (cur.lastpos() != 0) {
1443                                 cursorLeft(cur);
1444                                 breakParagraph(cur);
1445                         }
1446
1447                         setLayout(cur, tclass.defaultLayoutName());
1448                         ParagraphParameters p;
1449                         setParagraphs(cur, p);
1450                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1451                         cur.posRight();
1452                 } else {
1453                         lyxerr << "Non-existent float type: "
1454                                << to_utf8(cmd.argument()) << endl;
1455                 }
1456                 break;
1457         }
1458
1459         case LFUN_CHANGE_ACCEPT: {
1460                 acceptOrRejectChanges(cur, ACCEPT);
1461                 break;
1462         }
1463
1464         case LFUN_CHANGE_REJECT: {
1465                 acceptOrRejectChanges(cur, REJECT);
1466                 break;
1467         }
1468
1469         case LFUN_THESAURUS_ENTRY: {
1470                 docstring arg = cmd.argument();
1471                 if (arg.empty()) {
1472                         arg = cur.selectionAsString(false);
1473                         // FIXME
1474                         if (arg.size() > 100 || arg.empty()) {
1475                                 // Get word or selection
1476                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1477                                 arg = cur.selectionAsString(false);
1478                         }
1479                 }
1480                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1481                 break;
1482         }
1483
1484         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1485                 // Given data, an encoding of the ParagraphParameters
1486                 // generated in the Paragraph dialog, this function sets
1487                 // the current paragraph, or currently selected paragraphs,
1488                 // appropriately.
1489                 // NOTE: This function overrides all existing settings.
1490                 setParagraphs(cur, cmd.argument());
1491                 cur.message(_("Paragraph layout set"));
1492                 break;
1493         }
1494
1495         case LFUN_PARAGRAPH_PARAMS: {
1496                 // Given data, an encoding of the ParagraphParameters as we'd
1497                 // find them in a LyX file, this function modifies the current paragraph,
1498                 // or currently selected paragraphs.
1499                 // NOTE: This function only modifies, and does not override, existing
1500                 // settings.
1501                 setParagraphs(cur, cmd.argument(), true);
1502                 cur.message(_("Paragraph layout set"));
1503                 break;
1504         }
1505
1506         case LFUN_ESCAPE:
1507                 if (cur.selection()) {
1508                         cur.selection() = false;
1509                 } else {
1510                         cur.undispatched();
1511                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1512                 }
1513                 break;
1514
1515         default:
1516                 LYXERR(Debug::ACTION)
1517                         << BOOST_CURRENT_FUNCTION
1518                         << ": Command " << cmd
1519                         << " not DISPATCHED by Text" << endl;
1520                 cur.undispatched();
1521                 break;
1522         }
1523
1524         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1525
1526         // FIXME: The cursor flag is reset two lines below
1527         // so we need to check here if some of the LFUN did touch that.
1528         // for now only Text::erase() and Text::backspace() do that.
1529         // The plan is to verify all the LFUNs and then to remove this
1530         // singleParUpdate boolean altogether.
1531         if (cur.result().update() & Update::Force) {
1532                 singleParUpdate = false;
1533                 needsUpdate = true;
1534         }
1535
1536         // FIXME: the following code should go in favor of fine grained
1537         // update flag treatment.
1538         if (singleParUpdate) {
1539                 // Inserting characters does not change par height
1540                 ParagraphMetrics const & pms
1541                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1542                 if (pms.dim().height()
1543                     == olddim.height()) {
1544                         // if so, update _only_ this paragraph
1545                         cur.updateFlags(Update::SinglePar |
1546                                 Update::FitCursor |
1547                                 Update::MultiParSel);
1548                         return;
1549                 } else
1550                         needsUpdate = true;
1551         }
1552
1553         if (!needsUpdate
1554             && &oldTopSlice.inset() == &cur.inset()
1555             && oldTopSlice.idx() == cur.idx()
1556             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1557             && !cur.selection())
1558                 // FIXME: it would be better if we could just do this
1559                 //
1560                 //if (cur.result().update() != Update::FitCursor)
1561                 //      cur.noUpdate();
1562                 //
1563                 // But some LFUNs do not set Update::FitCursor when needed, so we
1564                 // do it for all. This is not very harmfull as FitCursor will provoke
1565                 // a full redraw only if needed but still, a proper review of all LFUN
1566                 // should be done and this needsUpdate boolean can then be removed.
1567                 cur.updateFlags(Update::FitCursor);
1568         else
1569                 cur.updateFlags(Update::Force | Update::FitCursor);
1570 }
1571
1572
1573 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1574                         FuncStatus & flag) const
1575 {
1576         BOOST_ASSERT(cur.text() == this);
1577
1578         Font const & font = cur.real_current_font;
1579         bool enable = true;
1580         Inset::Code code = Inset::NO_CODE;
1581
1582         switch (cmd.action) {
1583
1584         case LFUN_DEPTH_DECREMENT:
1585                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1586                 break;
1587
1588         case LFUN_DEPTH_INCREMENT:
1589                 enable = changeDepthAllowed(cur, INC_DEPTH);
1590                 break;
1591
1592         case LFUN_APPENDIX:
1593                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1594                 return true;
1595
1596         case LFUN_BIBITEM_INSERT:
1597                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1598                           && cur.pos() == 0);
1599                 break;
1600
1601         case LFUN_DIALOG_SHOW_NEW_INSET:
1602                 if (cmd.argument() == "bibitem")
1603                         code = Inset::BIBITEM_CODE;
1604                 else if (cmd.argument() == "bibtex")
1605                         code = Inset::BIBTEX_CODE;
1606                 else if (cmd.argument() == "box")
1607                         code = Inset::BOX_CODE;
1608                 else if (cmd.argument() == "branch")
1609                         code = Inset::BRANCH_CODE;
1610                 else if (cmd.argument() == "citation")
1611                         code = Inset::CITE_CODE;
1612                 else if (cmd.argument() == "ert")
1613                         code = Inset::ERT_CODE;
1614                 else if (cmd.argument() == "external")
1615                         code = Inset::EXTERNAL_CODE;
1616                 else if (cmd.argument() == "float")
1617                         code = Inset::FLOAT_CODE;
1618                 else if (cmd.argument() == "graphics")
1619                         code = Inset::GRAPHICS_CODE;
1620                 else if (cmd.argument() == "include")
1621                         code = Inset::INCLUDE_CODE;
1622                 else if (cmd.argument() == "index")
1623                         code = Inset::INDEX_CODE;
1624                 else if (cmd.argument() == "nomenclature")
1625                         code = Inset::NOMENCL_CODE;
1626                 else if (cmd.argument() == "label")
1627                         code = Inset::LABEL_CODE;
1628                 else if (cmd.argument() == "note")
1629                         code = Inset::NOTE_CODE;
1630                 else if (cmd.argument() == "ref")
1631                         code = Inset::REF_CODE;
1632                 else if (cmd.argument() == "toc")
1633                         code = Inset::TOC_CODE;
1634                 else if (cmd.argument() == "url")
1635                         code = Inset::URL_CODE;
1636                 else if (cmd.argument() == "vspace")
1637                         code = Inset::VSPACE_CODE;
1638                 else if (cmd.argument() == "wrap")
1639                         code = Inset::WRAP_CODE;
1640                 else if (cmd.argument() == "listings")
1641                         code = Inset::LISTINGS_CODE;
1642                 break;
1643
1644         case LFUN_ERT_INSERT:
1645                 code = Inset::ERT_CODE;
1646                 break;
1647         case LFUN_LISTING_INSERT:
1648             code = Inset::LISTINGS_CODE;
1649                 break;
1650         case LFUN_FOOTNOTE_INSERT:
1651                 code = Inset::FOOT_CODE;
1652                 break;
1653         case LFUN_TABULAR_INSERT:
1654                 code = Inset::TABULAR_CODE;
1655                 break;
1656         case LFUN_MARGINALNOTE_INSERT:
1657                 code = Inset::MARGIN_CODE;
1658                 break;
1659         case LFUN_FLOAT_INSERT:
1660         case LFUN_FLOAT_WIDE_INSERT:
1661                 code = Inset::FLOAT_CODE;
1662                 break;
1663         case LFUN_WRAP_INSERT:
1664                 code = Inset::WRAP_CODE;
1665                 break;
1666         case LFUN_FLOAT_LIST:
1667                 code = Inset::FLOAT_LIST_CODE;
1668                 break;
1669 #if 0
1670         case LFUN_LIST_INSERT:
1671                 code = Inset::LIST_CODE;
1672                 break;
1673         case LFUN_THEOREM_INSERT:
1674                 code = Inset::THEOREM_CODE;
1675                 break;
1676 #endif
1677         case LFUN_CAPTION_INSERT:
1678                 code = Inset::CAPTION_CODE;
1679                 break;
1680         case LFUN_NOTE_INSERT:
1681                 code = Inset::NOTE_CODE;
1682                 break;
1683         case LFUN_FLEX_INSERT: {
1684                 code = Inset::FLEX_CODE;
1685                 string s = cmd.getArg(0);
1686                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1687                 if (il.lyxtype != "charstyle" &&
1688                     il.lyxtype != "custom" &&
1689                     il.lyxtype != "element")
1690                         enable = false;
1691                 break;
1692                 }
1693         case LFUN_BOX_INSERT:
1694                 code = Inset::BOX_CODE;
1695                 break;
1696         case LFUN_BRANCH_INSERT:
1697                 code = Inset::BRANCH_CODE;
1698                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1699                         enable = false;
1700                 break;
1701         case LFUN_LABEL_INSERT:
1702                 code = Inset::LABEL_CODE;
1703                 break;
1704         case LFUN_OPTIONAL_INSERT:
1705                 code = Inset::OPTARG_CODE;
1706                 enable = numberOfOptArgs(cur.paragraph())
1707                         < cur.paragraph().layout()->optionalargs;
1708                 break;
1709         case LFUN_ENVIRONMENT_INSERT:
1710                 code = Inset::BOX_CODE;
1711                 break;
1712         case LFUN_INDEX_INSERT:
1713                 code = Inset::INDEX_CODE;
1714                 break;
1715         case LFUN_INDEX_PRINT:
1716                 code = Inset::INDEX_PRINT_CODE;
1717                 break;
1718         case LFUN_NOMENCL_INSERT:
1719                 code = Inset::NOMENCL_CODE;
1720                 break;
1721         case LFUN_NOMENCL_PRINT:
1722                 code = Inset::NOMENCL_PRINT_CODE;
1723                 break;
1724         case LFUN_TOC_INSERT:
1725                 code = Inset::TOC_CODE;
1726                 break;
1727         case LFUN_HTML_INSERT:
1728         case LFUN_URL_INSERT:
1729                 code = Inset::URL_CODE;
1730                 break;
1731         case LFUN_QUOTE_INSERT:
1732                 // always allow this, since we will inset a raw quote
1733                 // if an inset is not allowed.
1734                 break;
1735         case LFUN_HYPHENATION_POINT_INSERT:
1736         case LFUN_LIGATURE_BREAK_INSERT:
1737         case LFUN_HFILL_INSERT:
1738         case LFUN_MENU_SEPARATOR_INSERT:
1739         case LFUN_DOTS_INSERT:
1740         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1741                 code = Inset::SPECIALCHAR_CODE;
1742                 break;
1743         case LFUN_SPACE_INSERT:
1744                 // slight hack: we know this is allowed in math mode
1745                 if (cur.inTexted())
1746                         code = Inset::SPACE_CODE;
1747                 break;
1748
1749         case LFUN_INSET_MODIFY:
1750                 // We need to disable this, because we may get called for a
1751                 // tabular cell via
1752                 // InsetTabular::getStatus() -> InsetText::getStatus()
1753                 // and we don't handle LFUN_INSET_MODIFY.
1754                 enable = false;
1755                 break;
1756
1757         case LFUN_FONT_EMPH:
1758                 flag.setOnOff(font.emph() == Font::ON);
1759                 return true;
1760
1761         case LFUN_FONT_NOUN:
1762                 flag.setOnOff(font.noun() == Font::ON);
1763                 return true;
1764
1765         case LFUN_FONT_BOLD:
1766                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1767                 return true;
1768
1769         case LFUN_FONT_SANS:
1770                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1771                 return true;
1772
1773         case LFUN_FONT_ROMAN:
1774                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1775                 return true;
1776
1777         case LFUN_FONT_CODE:
1778                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1779                 return true;
1780
1781         case LFUN_CUT:
1782         case LFUN_COPY:
1783                 enable = cur.selection();
1784                 break;
1785
1786         case LFUN_PASTE:
1787                 if (cmd.argument().empty()) {
1788                         if (theClipboard().isInternal())
1789                                 enable = cap::numberOfSelections() > 0;
1790                         else
1791                                 enable = !theClipboard().empty();
1792                 } else {
1793                         string const arg = to_utf8(cmd.argument());
1794                         if (isStrUnsignedInt(arg)) {
1795                                 unsigned int n = convert<unsigned int>(arg);
1796                                 enable = cap::numberOfSelections() > n;
1797                         } else
1798                                 // unknown argument
1799                                 enable = false;
1800                 }
1801                 break;
1802
1803         case LFUN_CLIPBOARD_PASTE:
1804                 enable = !theClipboard().empty();
1805                 break;
1806
1807         case LFUN_PRIMARY_SELECTION_PASTE:
1808                 enable = cur.selection() || !theSelection().empty();
1809                 break;
1810
1811         case LFUN_PARAGRAPH_MOVE_UP:
1812                 enable = cur.pit() > 0 && !cur.selection();
1813                 break;
1814
1815         case LFUN_PARAGRAPH_MOVE_DOWN:
1816                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1817                 break;
1818
1819         case LFUN_INSET_DISSOLVE:
1820                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
1821                 break;
1822
1823         case LFUN_CHANGE_ACCEPT:
1824         case LFUN_CHANGE_REJECT:
1825                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1826                 // In principle, these LFUNs should only be enabled if there
1827                 // is a change at the current position/in the current selection.
1828                 // However, without proper optimizations, this will inevitably
1829                 // result in unacceptable performance - just imagine a user who
1830                 // wants to select the complete content of a long document.
1831                 enable = true;
1832                 break;
1833
1834         case LFUN_WORD_DELETE_FORWARD:
1835         case LFUN_WORD_DELETE_BACKWARD:
1836         case LFUN_LINE_DELETE:
1837         case LFUN_WORD_FORWARD:
1838         case LFUN_WORD_BACKWARD:
1839         case LFUN_CHAR_FORWARD:
1840         case LFUN_CHAR_FORWARD_SELECT:
1841         case LFUN_CHAR_BACKWARD:
1842         case LFUN_CHAR_BACKWARD_SELECT:
1843         case LFUN_UP:
1844         case LFUN_UP_SELECT:
1845         case LFUN_DOWN:
1846         case LFUN_DOWN_SELECT:
1847         case LFUN_PARAGRAPH_UP_SELECT:
1848         case LFUN_PARAGRAPH_DOWN_SELECT:
1849         case LFUN_SCREEN_UP_SELECT:
1850         case LFUN_SCREEN_DOWN_SELECT:
1851         case LFUN_LINE_BEGIN_SELECT:
1852         case LFUN_LINE_END_SELECT:
1853         case LFUN_WORD_FORWARD_SELECT:
1854         case LFUN_WORD_BACKWARD_SELECT:
1855         case LFUN_WORD_SELECT:
1856         case LFUN_PARAGRAPH_UP:
1857         case LFUN_PARAGRAPH_DOWN:
1858         case LFUN_SCREEN_UP:
1859         case LFUN_SCREEN_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_KEEP_LAYOUT:
1869         case LFUN_BREAK_PARAGRAPH_SKIP:
1870         case LFUN_PARAGRAPH_SPACING:
1871         case LFUN_INSET_INSERT:
1872         case LFUN_WORD_UPCASE:
1873         case LFUN_WORD_LOWCASE:
1874         case LFUN_WORD_CAPITALIZE:
1875         case LFUN_CHARS_TRANSPOSE:
1876         case LFUN_SERVER_GET_XY:
1877         case LFUN_SERVER_SET_XY:
1878         case LFUN_SERVER_GET_FONT:
1879         case LFUN_SERVER_GET_LAYOUT:
1880         case LFUN_LAYOUT:
1881         case LFUN_DATE_INSERT:
1882         case LFUN_SELF_INSERT:
1883         case LFUN_LINE_INSERT:
1884         case LFUN_PAGEBREAK_INSERT:
1885         case LFUN_CLEARPAGE_INSERT:
1886         case LFUN_CLEARDOUBLEPAGE_INSERT:
1887         case LFUN_MATH_DISPLAY:
1888         case LFUN_MATH_IMPORT_SELECTION:
1889         case LFUN_MATH_MODE:
1890         case LFUN_MATH_MACRO:
1891         case LFUN_MATH_MATRIX:
1892         case LFUN_MATH_DELIM:
1893         case LFUN_MATH_BIGDELIM:
1894         case LFUN_MATH_INSERT:
1895         case LFUN_MATH_SUBSCRIPT:
1896         case LFUN_MATH_SUPERSCRIPT:
1897         case LFUN_FONT_DEFAULT:
1898         case LFUN_FONT_UNDERLINE:
1899         case LFUN_FONT_SIZE:
1900         case LFUN_LANGUAGE:
1901         case LFUN_FONT_FREE_APPLY:
1902         case LFUN_FONT_FREE_UPDATE:
1903         case LFUN_LAYOUT_PARAGRAPH:
1904         case LFUN_PARAGRAPH_UPDATE:
1905         case LFUN_ACCENT_UMLAUT:
1906         case LFUN_ACCENT_CIRCUMFLEX:
1907         case LFUN_ACCENT_GRAVE:
1908         case LFUN_ACCENT_ACUTE:
1909         case LFUN_ACCENT_TILDE:
1910         case LFUN_ACCENT_CEDILLA:
1911         case LFUN_ACCENT_MACRON:
1912         case LFUN_ACCENT_DOT:
1913         case LFUN_ACCENT_UNDERDOT:
1914         case LFUN_ACCENT_UNDERBAR:
1915         case LFUN_ACCENT_CARON:
1916         case LFUN_ACCENT_SPECIAL_CARON:
1917         case LFUN_ACCENT_BREVE:
1918         case LFUN_ACCENT_TIE:
1919         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1920         case LFUN_ACCENT_CIRCLE:
1921         case LFUN_ACCENT_OGONEK:
1922         case LFUN_THESAURUS_ENTRY:
1923         case LFUN_PARAGRAPH_PARAMS_APPLY:
1924         case LFUN_PARAGRAPH_PARAMS:
1925         case LFUN_ESCAPE:
1926         case LFUN_BUFFER_END:
1927         case LFUN_BUFFER_BEGIN:
1928         case LFUN_BUFFER_BEGIN_SELECT:
1929         case LFUN_BUFFER_END_SELECT:
1930         case LFUN_UNICODE_INSERT:
1931                 // these are handled in our dispatch()
1932                 enable = true;
1933                 break;
1934
1935         default:
1936                 return false;
1937         }
1938
1939         if (code != Inset::NO_CODE
1940             && (cur.empty() || !cur.inset().insetAllowed(code)))
1941                 enable = false;
1942
1943         flag.enabled(enable);
1944         return true;
1945 }
1946
1947
1948 void Text::pasteString(Cursor & cur, docstring const & clip,
1949                 bool asParagraphs)
1950 {
1951         cur.clearSelection();
1952         if (!clip.empty()) {
1953                 recordUndo(cur);
1954                 if (asParagraphs)
1955                         insertStringAsParagraphs(cur, clip);
1956                 else
1957                         insertStringAsLines(cur, clip);
1958         }
1959 }
1960
1961 } // namespace lyx