src/text3.C

   1 /**
   2  * \file text3.C
   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 "lyxtext.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 "coordcache.h"
  30 #include "CutAndPaste.h"
  31 #include "debug.h"
  32 #include "dispatchresult.h"
  33 #include "errorlist.h"
  34 #include "factory.h"
  35 #include "funcrequest.h"
  36 #include "gettext.h"
  37 #include "intl.h"
  38 #include "language.h"
  39 #include "LyXAction.h"
  40 #include "lyxfunc.h"
  41 #include "lyxlex.h"
  42 #include "lyxrc.h"
  43 #include "lyxrow.h"
  44 #include "paragraph.h"
  45 #include "paragraph_funcs.h"
  46 #include "ParagraphParameters.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/insetcommand.h"
  55 #include "insets/insetfloatlist.h"
  56 #include "insets/insetnewline.h"
  57 #include "insets/insetquotes.h"
  58 #include "insets/insetspecialchar.h"
  59 #include "insets/insettext.h"
  60
  61 #include "support/lstrings.h"
  62 #include "support/lyxlib.h"
  63 #include "support/convert.h"
  64 #include "support/lyxtime.h"
  65
  66 #include "mathed/InsetMathHull.h"
  67 #include "mathed/MathMacroTemplate.h"
  68
  69 #include <boost/current_function.hpp>
  70
  71 #include <clocale>
  72 #include <sstream>
  73
  74
  75 namespace lyx {
  76
  77 using cap::copySelection;
  78 using cap::cutSelection;
  79 using cap::pasteClipboard;
  80 using cap::pasteSelection;
  81 using cap::replaceSelection;
  82
  83 using support::isStrUnsignedInt;
  84 using support::token;
  85
  86 using std::endl;
  87 using std::string;
  88 using std::istringstream;
  89 using std::ostringstream;
  90
  91
  92 extern string current_layout;
  93
  94
  95 namespace {
  96
  97         // globals...
  98         LyXFont freefont(LyXFont::ALL_IGNORE);
  99         bool toggleall = false;
 100
 101
 102         void toggleAndShow(LCursor & cur, LyXText * text,
 103                 LyXFont const & font, bool toggleall = true)
 104         {
 105                 text->toggleFree(cur, font, toggleall);
 106
 107                 if (font.language() != ignore_language ||
 108                                 font.number() != LyXFont::IGNORE) {
 109                         Paragraph & par = cur.paragraph();
 110                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 111                         if (cur.boundary() !=
 112                                         text->bidi.isBoundary(cur.buffer(), par,
 113                                                         cur.pos(),
 114                                                         text->real_current_font))
 115                                 text->setCursor(cur, cur.pit(), cur.pos(),
 116                                                 false, !cur.boundary());
 117                 }
 118         }
 119
 120
 121         void moveCursor(LCursor & cur, bool selecting)
 122         {
 123                 if (selecting || cur.mark())
 124                         cur.setSelection();
 125                 theSelection().haveSelection(cur.selection());
 126                 cur.bv().switchKeyMap();
 127         }
 128
 129
 130         void finishChange(LCursor & cur, bool selecting)
 131         {
 132                 finishUndo();
 133                 moveCursor(cur, selecting);
 134         }
 135
 136
 137         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 138         {
 139                 recordUndo(cur);
 140                 docstring sel = cur.selectionAsString(false);
 141                 //lyxerr << "selection is: '" << sel << "'" << endl;
 142
 143                 // It may happen that sel is empty but there is a selection
 144                 replaceSelection(cur);
 145
 146                 if (sel.empty()) {
 147 #ifdef ENABLE_ASSERTIONS
 148                         const int old_pos = cur.pos();
 149 #endif
 150                         cur.insert(new InsetMathHull(hullSimple));
 151                         BOOST_ASSERT(old_pos == cur.pos());
 152                         cur.nextInset()->edit(cur, true);
 153                         // don't do that also for LFUN_MATH_MODE
 154                         // unless you want end up with always changing
 155                         // to mathrm when opening an inlined inset --
 156                         // I really hate "LyXfunc overloading"...
 157                         if (display)
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                         // Avoid an unnecessary undo step if cmd.argument
 160                         // is empty
 161                         if (!cmd.argument().empty())
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                          cmd.argument()));
 164                 } else {
 165                         // create a macro if we see "\\newcommand"
 166                         // somewhere, and an ordinary formula
 167                         // otherwise
 168                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 169                             && sel.find(from_ascii("\\def")) == string::npos)
 170                         {
 171                                 InsetMathHull * formula = new InsetMathHull;
 172                                 istringstream is(to_utf8(sel));
 173                                 LyXLex lex(0, 0);
 174                                 lex.setStream(is);
 175                                 formula->read(cur.buffer(), lex);
 176                                 if (formula->getType() == hullNone)
 177                                         // Don't create pseudo formulas if
 178                                         // delimiters are left out
 179                                         formula->mutate(hullSimple);
 180                                 cur.insert(formula);
 181                         } else {
 182                                 cur.insert(new MathMacroTemplate(sel));
 183                         }
 184                 }
 185                 cur.message(from_utf8(N_("Math editor mode")));
 186         }
 187
 188 } // namespace anon
 189
 190
 191
 192 namespace bv_funcs {
 193
 194 string const freefont2string()
 195 {
 196         string data;
 197         if (font2string(freefont, toggleall, data))
 198                 return data;
 199         return string();
 200 }
 201
 202 }
 203
 204 void LyXText::cursorPrevious(LCursor & cur)
 205 {
 206         pos_type cpos = cur.pos();
 207         pit_type cpar = cur.pit();
 208
 209         int x = cur.x_target();
 210         setCursorFromCoordinates(cur, x, 0);
 211         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 212
 213         if (cpar == cur.pit() && cpos == cur.pos())
 214                 // we have a row which is taller than the workarea. The
 215                 // simplest solution is to move to the previous row instead.
 216                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 217
 218         finishUndo();
 219         cur.updateFlags(Update::Force | Update::FitCursor);
 220 }
 221
 222
 223 void LyXText::cursorNext(LCursor & cur)
 224 {
 225         pos_type cpos = cur.pos();
 226         pit_type cpar = cur.pit();
 227
 228         int x = cur.x_target();
 229         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 230         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 231
 232         if (cpar == cur.pit() && cpos == cur.pos())
 233                 // we have a row which is taller than the workarea. The
 234                 // simplest solution is to move to the next row instead.
 235                 cur.dispatch(
 236                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 237
 238         finishUndo();
 239         cur.updateFlags(Update::Force | Update::FitCursor);
 240 }
 241
 242
 243 namespace {
 244
 245 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 246 {
 247         cap::replaceSelection(cur);
 248         cur.insert(new InsetSpecialChar(kind));
 249         cur.posRight();
 250 }
 251
 252
 253 bool doInsertInset(LCursor & cur, LyXText * text,
 254         FuncRequest const & cmd, bool edit, bool pastesel)
 255 {
 256         InsetBase * inset = createInset(&cur.bv(), cmd);
 257         if (!inset)
 258                 return false;
 259
 260         recordUndo(cur);
 261         bool gotsel = false;
 262         if (cur.selection()) {
 263                 lyx::dispatch(FuncRequest(LFUN_CUT));
 264                 gotsel = true;
 265         }
 266         text->insertInset(cur, inset);
 267
 268         if (edit)
 269                 inset->edit(cur, true);
 270
 271         if (gotsel && pastesel) {
 272                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 273                 // reset first par to default
 274                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 275                         LyXLayout_ptr const layout =
 276                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 277                         cur.text()->paragraphs().begin()->layout(layout);
 278                 }
 279         }
 280         return true;
 281 }
 282
 283
 284 } // anon namespace
 285
 286
 287 void LyXText::number(LCursor & cur)
 288 {
 289         LyXFont font(LyXFont::ALL_IGNORE);
 290         font.setNumber(LyXFont::TOGGLE);
 291         toggleAndShow(cur, this, font);
 292 }
 293
 294
 295 bool LyXText::isRTL(Buffer const & buffer, Paragraph const & par) const
 296 {
 297         return par.isRightToLeftPar(buffer.params());
 298 }
 299
 300
 301 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 302 {
 303         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 304
 305         // FIXME: We use the update flag to indicates wether a singlePar or a
 306         // full screen update is needed. We reset it here but shall we restore it
 307         // at the end?
 308         cur.noUpdate();
 309
 310         BOOST_ASSERT(cur.text() == this);
 311         BufferView * bv = &cur.bv();
 312         CursorSlice oldTopSlice = cur.top();
 313         bool oldBoundary = cur.boundary();
 314         bool sel = cur.selection();
 315         // Signals that, even if needsUpdate == false, an update of the
 316         // cursor paragraph is required
 317         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 318                 LyXAction::SingleParUpdate);
 319         // Signals that a full-screen update is required
 320         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 321                 LyXAction::NoUpdate) || singleParUpdate);
 322         // Remember the old paragraph metric (_outer_ paragraph!)
 323         ParagraphMetrics const & pm = cur.bv().parMetrics(
 324                 cur.bottom().text(), cur.bottom().pit());
 325         Dimension olddim = pm.dim();
 326
 327         switch (cmd.action) {
 328
 329         case LFUN_PARAGRAPH_MOVE_DOWN: {
 330                 pit_type const pit = cur.pit();
 331                 recUndo(cur, pit, pit + 1);
 332                 finishUndo();
 333                 std::swap(pars_[pit], pars_[pit + 1]);
 334
 335                 ParIterator begin(cur);
 336                 ++cur.pit();
 337                 ParIterator end = boost::next(ParIterator(cur));
 338                 updateLabels(cur.buffer(), begin, end);
 339
 340                 needsUpdate = true;
 341                 break;
 342         }
 343
 344         case LFUN_PARAGRAPH_MOVE_UP: {
 345                 pit_type const pit = cur.pit();
 346                 recUndo(cur, pit - 1, pit);
 347                 finishUndo();
 348                 std::swap(pars_[pit], pars_[pit - 1]);
 349
 350                 ParIterator end = boost::next(ParIterator(cur));
 351                 --cur.pit();
 352                 ParIterator begin(cur);
 353                 updateLabels(cur.buffer(), begin, end);
 354
 355                 needsUpdate = true;
 356                 break;
 357         }
 358
 359         case LFUN_APPENDIX: {
 360                 Paragraph & par = cur.paragraph();
 361                 bool start = !par.params().startOfAppendix();
 362
 363 #ifdef WITH_WARNINGS
 364 #warning The code below only makes sense at top level.
 365 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 366 #endif
 367                 // ensure that we have only one start_of_appendix in this document
 368                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 369                         if (pars_[tmp].params().startOfAppendix()) {
 370                                 recUndo(cur, tmp);
 371                                 pars_[tmp].params().startOfAppendix(false);
 372                                 break;
 373                         }
 374                 }
 375
 376                 recordUndo(cur);
 377                 par.params().startOfAppendix(start);
 378
 379                 // we can set the refreshing parameters now
 380                 updateLabels(cur.buffer());
 381                 break;
 382         }
 383
 384         case LFUN_WORD_DELETE_FORWARD:
 385                 cur.clearSelection();
 386                 deleteWordForward(cur);
 387                 finishChange(cur, false);
 388                 break;
 389
 390         case LFUN_WORD_DELETE_BACKWARD:
 391                 cur.clearSelection();
 392                 deleteWordBackward(cur);
 393                 finishChange(cur, false);
 394                 break;
 395
 396         case LFUN_LINE_DELETE:
 397                 cur.clearSelection();
 398                 deleteLineForward(cur);
 399                 finishChange(cur, false);
 400                 break;
 401
 402         case LFUN_BUFFER_BEGIN:
 403         case LFUN_BUFFER_BEGIN_SELECT:
 404                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 405                 if (cur.depth() == 1) {
 406                         needsUpdate |= cursorTop(cur);
 407                 } else {
 408                         cur.undispatched();
 409                 }
 410                 break;
 411
 412         case LFUN_BUFFER_END:
 413         case LFUN_BUFFER_END_SELECT:
 414                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 415                 if (cur.depth() == 1) {
 416                         needsUpdate |= cursorBottom(cur);
 417                 } else {
 418                         cur.undispatched();
 419                 }
 420                 break;
 421
 422         case LFUN_CHAR_FORWARD:
 423         case LFUN_CHAR_FORWARD_SELECT:
 424                 //lyxerr << BOOST_CURRENT_FUNCTION
 425                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 426                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 427                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 428                         needsUpdate |= cursorLeft(cur);
 429                 else
 430                         needsUpdate |= cursorRight(cur);
 431
 432                 if (!needsUpdate && oldTopSlice == cur.top()
 433                                 && cur.boundary() == oldBoundary) {
 434                         cur.undispatched();
 435                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 436                 }
 437                 break;
 438
 439         case LFUN_CHAR_BACKWARD:
 440         case LFUN_CHAR_BACKWARD_SELECT:
 441                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 442                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 443                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 444                         needsUpdate |= cursorRight(cur);
 445                 else
 446                         needsUpdate |= cursorLeft(cur);
 447
 448                 if (!needsUpdate && oldTopSlice == cur.top()
 449                         && cur.boundary() == oldBoundary) {
 450                         cur.undispatched();
 451                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 452                 }
 453                 break;
 454
 455         case LFUN_UP:
 456         case LFUN_UP_SELECT:
 457                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 458                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 459
 460                 needsUpdate |= cursorUp(cur);
 461
 462                 if (!needsUpdate && oldTopSlice == cur.top()
 463                           && cur.boundary() == oldBoundary) {
 464                         cur.undispatched();
 465                         cmd = FuncRequest(LFUN_FINISHED_UP);
 466                 }
 467                 break;
 468
 469         case LFUN_DOWN:
 470         case LFUN_DOWN_SELECT:
 471                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 472                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 473                 needsUpdate |= cursorDown(cur);
 474
 475                 if (!needsUpdate && oldTopSlice == cur.top() &&
 476                     cur.boundary() == oldBoundary)
 477                 {
 478                         cur.undispatched();
 479                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 480                 }
 481                 break;
 482
 483         case LFUN_PARAGRAPH_UP:
 484         case LFUN_PARAGRAPH_UP_SELECT:
 485                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 486                 needsUpdate |= cursorUpParagraph(cur);
 487                 break;
 488
 489         case LFUN_PARAGRAPH_DOWN:
 490         case LFUN_PARAGRAPH_DOWN_SELECT:
 491                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 492                 needsUpdate |= cursorDownParagraph(cur);
 493                 break;
 494
 495         case LFUN_SCREEN_UP:
 496         case LFUN_SCREEN_UP_SELECT:
 497                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 498                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 499                         cur.undispatched();
 500                         cmd = FuncRequest(LFUN_FINISHED_UP);
 501                 } else {
 502                         cursorPrevious(cur);
 503                 }
 504                 break;
 505
 506         case LFUN_SCREEN_DOWN:
 507         case LFUN_SCREEN_DOWN_SELECT:
 508                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 509                 if (cur.pit() == cur.lastpit()
 510                           && cur.textRow().endpos() == cur.lastpos()) {
 511                         cur.undispatched();
 512                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 513                 } else {
 514                         cursorNext(cur);
 515                 }
 516                 break;
 517
 518         case LFUN_LINE_BEGIN:
 519         case LFUN_LINE_BEGIN_SELECT:
 520                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 521                 needsUpdate |= cursorHome(cur);
 522                 break;
 523
 524         case LFUN_LINE_END:
 525         case LFUN_LINE_END_SELECT:
 526                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 527                 needsUpdate |= cursorEnd(cur);
 528                 break;
 529
 530         case LFUN_WORD_FORWARD:
 531         case LFUN_WORD_FORWARD_SELECT:
 532                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 533                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 534                         needsUpdate |= cursorLeftOneWord(cur);
 535                 else
 536                         needsUpdate |= cursorRightOneWord(cur);
 537                 break;
 538
 539         case LFUN_WORD_BACKWARD:
 540         case LFUN_WORD_BACKWARD_SELECT:
 541                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 542                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 543                         needsUpdate |= cursorRightOneWord(cur);
 544                 else
 545                         needsUpdate |= cursorLeftOneWord(cur);
 546                 break;
 547
 548         case LFUN_WORD_SELECT: {
 549                 selectWord(cur, WHOLE_WORD);
 550                 finishChange(cur, true);
 551                 break;
 552         }
 553
 554         case LFUN_BREAK_LINE: {
 555                 // Not allowed by LaTeX (labels or empty par)
 556                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 557                         if (!cur.selection())
 558                                 recordUndo(cur);
 559                         cap::replaceSelection(cur);
 560                         cur.insert(new InsetNewline);
 561                         cur.posRight();
 562                         moveCursor(cur, false);
 563                 }
 564                 break;
 565         }
 566
 567         case LFUN_CHAR_DELETE_FORWARD:
 568                 if (!cur.selection()) {
 569                         if (cur.pos() == cur.paragraph().size())
 570                                 // Par boundary, force full-screen update
 571                                 singleParUpdate = false;
 572                         needsUpdate |= erase(cur);
 573                         cur.resetAnchor();
 574                         // It is possible to make it a lot faster still
 575                         // just comment out the line below...
 576                 } else {
 577                         cutSelection(cur, true, false);
 578                         singleParUpdate = false;
 579                 }
 580                 moveCursor(cur, false);
 581                 break;
 582
 583         case LFUN_DELETE_FORWARD_SKIP:
 584                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 585                 if (!cur.selection()) {
 586                         if (cur.pos() == cur.lastpos()) {
 587                                 cursorRight(cur);
 588                                 cursorLeft(cur);
 589                         }
 590                         erase(cur);
 591                         cur.resetAnchor();
 592                 } else {
 593                         cutSelection(cur, true, false);
 594                 }
 595                 break;
 596
 597
 598         case LFUN_CHAR_DELETE_BACKWARD:
 599                 if (!cur.selection()) {
 600                         if (bv->getIntl().getTransManager().backspace()) {
 601                                 // Par boundary, full-screen update
 602                                 if (cur.pos() == 0)
 603                                         singleParUpdate = false;
 604                                 needsUpdate |= backspace(cur);
 605                                 cur.resetAnchor();
 606                                 // It is possible to make it a lot faster still
 607                                 // just comment out the line below...
 608                         }
 609                 } else {
 610                         cutSelection(cur, true, false);
 611                         singleParUpdate = false;
 612                 }
 613                 bv->switchKeyMap();
 614                 break;
 615
 616         case LFUN_DELETE_BACKWARD_SKIP:
 617                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 618                 if (!cur.selection()) {
 619 #ifdef WITH_WARNINGS
 620 #warning look here
 621 #endif
 622                         //CursorSlice cur = cursor();
 623                         backspace(cur);
 624                         //anchor() = cur;
 625                 } else {
 626                         cutSelection(cur, true, false);
 627                 }
 628                 break;
 629
 630         case LFUN_BREAK_PARAGRAPH:
 631                 cap::replaceSelection(cur);
 632                 breakParagraph(cur, 0);
 633                 cur.resetAnchor();
 634                 bv->switchKeyMap();
 635                 break;
 636
 637         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 638                 cap::replaceSelection(cur);
 639                 breakParagraph(cur, 1);
 640                 cur.resetAnchor();
 641                 bv->switchKeyMap();
 642                 break;
 643
 644         case LFUN_BREAK_PARAGRAPH_SKIP: {
 645                 // When at the beginning of a paragraph, remove
 646                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 647                 cap::replaceSelection(cur);
 648                 if (cur.pos() == 0)
 649                         cur.paragraph().params().labelWidthString(docstring());
 650                 else
 651                         breakParagraph(cur, 0);
 652                 cur.resetAnchor();
 653                 bv->switchKeyMap();
 654                 break;
 655         }
 656
 657         case LFUN_PARAGRAPH_SPACING: {
 658                 Paragraph & par = cur.paragraph();
 659                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 660                 string cur_value = "1.0";
 661                 if (cur_spacing == Spacing::Other)
 662                         cur_value = par.params().spacing().getValueAsString();
 663
 664                 istringstream is(to_utf8(cmd.argument()));
 665                 string tmp;
 666                 is >> tmp;
 667                 Spacing::Space new_spacing = cur_spacing;
 668                 string new_value = cur_value;
 669                 if (tmp.empty()) {
 670                         lyxerr << "Missing argument to `paragraph-spacing'"
 671                                << endl;
 672                 } else if (tmp == "single") {
 673                         new_spacing = Spacing::Single;
 674                 } else if (tmp == "onehalf") {
 675                         new_spacing = Spacing::Onehalf;
 676                 } else if (tmp == "double") {
 677                         new_spacing = Spacing::Double;
 678                 } else if (tmp == "other") {
 679                         new_spacing = Spacing::Other;
 680                         string tmpval = "0.0";
 681                         is >> tmpval;
 682                         lyxerr << "new_value = " << tmpval << endl;
 683                         if (tmpval != "0.0")
 684                                 new_value = tmpval;
 685                 } else if (tmp == "default") {
 686                         new_spacing = Spacing::Default;
 687                 } else {
 688                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 689                                << to_utf8(cmd.argument()) << endl;
 690                 }
 691                 if (cur_spacing != new_spacing || cur_value != new_value)
 692                         par.params().spacing(Spacing(new_spacing, new_value));
 693                 break;
 694         }
 695
 696         case LFUN_INSET_INSERT: {
 697                 recordUndo(cur);
 698                 InsetBase * inset = createInset(bv, cmd);
 699                 if (inset) {
 700                         insertInset(cur, inset);
 701                         cur.posRight();
 702                 }
 703                 break;
 704         }
 705
 706         case LFUN_INSET_DISSOLVE:
 707                 needsUpdate |= dissolveInset(cur);
 708                 break;
 709
 710         case LFUN_INSET_SETTINGS:
 711                 cur.inset().showInsetDialog(bv);
 712                 break;
 713
 714         case LFUN_SPACE_INSERT:
 715                 if (cur.paragraph().layout()->free_spacing)
 716                         insertChar(cur, ' ');
 717                 else {
 718                         doInsertInset(cur, this, cmd, false, false);
 719                         cur.posRight();
 720                 }
 721                 moveCursor(cur, false);
 722                 break;
 723
 724         case LFUN_HYPHENATION_POINT_INSERT:
 725                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 726                 break;
 727
 728         case LFUN_LIGATURE_BREAK_INSERT:
 729                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 730                 break;
 731
 732         case LFUN_DOTS_INSERT:
 733                 specialChar(cur, InsetSpecialChar::LDOTS);
 734                 break;
 735
 736         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 737                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 738                 break;
 739
 740         case LFUN_MENU_SEPARATOR_INSERT:
 741                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 742                 break;
 743
 744         case LFUN_WORD_UPCASE:
 745                 changeCase(cur, LyXText::text_uppercase);
 746                 break;
 747
 748         case LFUN_WORD_LOWCASE:
 749                 changeCase(cur, LyXText::text_lowercase);
 750                 break;
 751
 752         case LFUN_WORD_CAPITALIZE:
 753                 changeCase(cur, LyXText::text_capitalization);
 754                 break;
 755
 756         case LFUN_CHARS_TRANSPOSE:
 757                 charsTranspose(cur);
 758                 break;
 759
 760         case LFUN_PASTE:
 761                 cur.message(_("Paste"));
 762                 cap::replaceSelection(cur);
 763                 if (cmd.argument().empty() && !theClipboard().isInternal())
 764                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 765                 else {
 766                         string const arg(to_utf8(cmd.argument()));
 767                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 768                                         isStrUnsignedInt(arg) ?
 769                                                 convert<unsigned int>(arg) :
 770                                                 0);
 771                 }
 772                 bv->buffer()->errors("Paste");
 773                 cur.clearSelection(); // bug 393
 774                 bv->switchKeyMap();
 775                 finishUndo();
 776                 break;
 777
 778         case LFUN_CUT:
 779                 cutSelection(cur, true, true);
 780                 cur.message(_("Cut"));
 781                 break;
 782
 783         case LFUN_COPY:
 784                 copySelection(cur);
 785                 cur.message(_("Copy"));
 786                 break;
 787
 788         case LFUN_SERVER_GET_XY:
 789                 cur.message(from_utf8(
 790                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 791                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 792                 break;
 793
 794         case LFUN_SERVER_SET_XY: {
 795                 int x = 0;
 796                 int y = 0;
 797                 istringstream is(to_utf8(cmd.argument()));
 798                 is >> x >> y;
 799                 if (!is)
 800                         lyxerr << "SETXY: Could not parse coordinates in '"
 801                                << to_utf8(cmd.argument()) << std::endl;
 802                 else
 803                         setCursorFromCoordinates(cur, x, y);
 804                 break;
 805         }
 806
 807         case LFUN_SERVER_GET_FONT:
 808                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 809                         cur.message(from_ascii("E"));
 810                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 811                         cur.message(from_ascii("N"));
 812                 else
 813                         cur.message(from_ascii("0"));
 814                 break;
 815
 816         case LFUN_SERVER_GET_LAYOUT:
 817                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 818                 break;
 819
 820         case LFUN_LAYOUT: {
 821                 string layout = to_ascii(cmd.argument());
 822                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) " << layout << endl;
 823
 824                 // Derive layout number from given argument (string)
 825                 // and current buffer's textclass (number)
 826                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 827                 if (layout.empty())
 828                         layout = tclass.defaultLayoutName();
 829                 bool hasLayout = tclass.hasLayout(layout);
 830
 831                 // If the entry is obsolete, use the new one instead.
 832                 if (hasLayout) {
 833                         string const & obs = tclass[layout]->obsoleted_by();
 834                         if (!obs.empty())
 835                                 layout = obs;
 836                 }
 837
 838                 if (!hasLayout) {
 839                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 840                                 from_utf8(N_(" not known")));
 841                         break;
 842                 }
 843
 844                 bool change_layout = (current_layout != layout);
 845
 846                 if (!change_layout && cur.selection() &&
 847                         cur.selBegin().pit() != cur.selEnd().pit())
 848                 {
 849                         pit_type spit = cur.selBegin().pit();
 850                         pit_type epit = cur.selEnd().pit() + 1;
 851                         while (spit != epit) {
 852                                 if (pars_[spit].layout()->name() != current_layout) {
 853                                         change_layout = true;
 854                                         break;
 855                                 }
 856                                 ++spit;
 857                         }
 858                 }
 859
 860                 if (change_layout) {
 861                         current_layout = layout;
 862                         setLayout(cur, layout);
 863                         // inform the GUI that the layout has changed.
 864                         bv->layoutChanged(layout);
 865                         bv->switchKeyMap();
 866                 }
 867                 break;
 868         }
 869
 870         case LFUN_CLIPBOARD_PASTE:
 871                 cur.clearSelection();
 872                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 873                                cmd.argument() == "paragraph");
 874                 bv->buffer()->errors("Paste");
 875                 break;
 876
 877         case LFUN_PRIMARY_SELECTION_PASTE:
 878                 pasteString(cur, theSelection().get(),
 879                             cmd.argument() == "paragraph");
 880                 break;
 881
 882         case LFUN_UNICODE_INSERT: {
 883                 if (cmd.argument().empty())
 884                         break;
 885                 docstring hexstring = cmd.argument();
 886                 if (lyx::support::isHex(hexstring)) {
 887                         char_type c = lyx::support::hexToInt(hexstring);
 888                         if (c > 32 && c < 0x10ffff) {
 889                                 lyxerr << "Inserting c: " << c << endl;
 890                                 docstring s = docstring(1, c);
 891                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 892                         }
 893                 }
 894                 break;
 895         }
 896
 897         case LFUN_QUOTE_INSERT: {
 898                 cap::replaceSelection(cur);
 899                 Paragraph & par = cur.paragraph();
 900                 pos_type pos = cur.pos();
 901                 char_type c;
 902                 if (pos == 0)
 903                         c = ' ';
 904                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 905                         c = ' ';
 906                 else
 907                         c = par.getChar(pos - 1);
 908
 909                 LyXLayout_ptr const & style = par.layout();
 910
 911                 BufferParams const & bufparams = bv->buffer()->params();
 912                 if (!style->pass_thru
 913                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 914                         string arg = to_utf8(cmd.argument());
 915                         if (arg == "single")
 916                                 cur.insert(new InsetQuotes(c,
 917                                     bufparams.quotes_language,
 918                                     InsetQuotes::SingleQ));
 919                         else
 920                                 cur.insert(new InsetQuotes(c,
 921                                     bufparams.quotes_language,
 922                                     InsetQuotes::DoubleQ));
 923                         cur.posRight();
 924                 }
 925                 else
 926                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 927                 break;
 928         }
 929
 930         case LFUN_DATE_INSERT:
 931                 if (cmd.argument().empty())
 932                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 933                                 formatted_time(current_time())));
 934                 else
 935                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 936                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 937                 break;
 938
 939         case LFUN_MOUSE_TRIPLE:
 940                 if (cmd.button() == mouse_button::button1) {
 941                         cursorHome(cur);
 942                         cur.resetAnchor();
 943                         cursorEnd(cur);
 944                         cur.setSelection();
 945                         bv->cursor() = cur;
 946                         theSelection().haveSelection(cur.selection());
 947                 }
 948                 break;
 949
 950         case LFUN_MOUSE_DOUBLE:
 951                 if (cmd.button() == mouse_button::button1) {
 952                         selectWord(cur, WHOLE_WORD_STRICT);
 953                         bv->cursor() = cur;
 954                         theSelection().haveSelection(cur.selection());
 955                 }
 956                 break;
 957
 958         // Single-click on work area
 959         case LFUN_MOUSE_PRESS: {
 960                 // Right click on a footnote flag opens float menu
 961                 if (cmd.button() == mouse_button::button3)
 962                         cur.clearSelection();
 963
 964                 // Middle button press pastes if we have a selection
 965                 // We do this here as if the selection was inside an inset
 966                 // it could get cleared on the unlocking of the inset so
 967                 // we have to check this first
 968                 bool paste_internally = false;
 969                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 970                         // Copy the selection to the clipboard stack. This
 971                         // is done for two reasons:
 972                         // - We want it to appear in the "Edit->Paste recent"
 973                         //   menu.
 974                         // - We can then use the normal copy/paste machinery
 975                         //   instead of theSelection().get() to preserve
 976                         //   formatting of the pasted stuff.
 977                         cap::copySelectionToStack(cur.bv().cursor());
 978                         paste_internally = true;
 979                 }
 980
 981                 // we have to update after dePM triggered
 982                 bool update = bv->mouseSetCursor(cur);
 983
 984                 // Insert primary selection with middle mouse
 985                 // if there is a local selection in the current buffer,
 986                 // insert this
 987                 if (cmd.button() == mouse_button::button2) {
 988                         if (paste_internally)
 989                                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 990                         else
 991                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 992                 }
 993
 994                 if (!update && cmd.button() == mouse_button::button1) {
 995                         needsUpdate = false;
 996                         cur.noUpdate();
 997                 }
 998
 999                 break;
1000         }
1001
1002         case LFUN_MOUSE_MOTION: {
1003                 // Only use motion with button 1
1004                 //if (cmd.button() != mouse_button::button1)
1005                 //      return false;
1006
1007                 // ignore motions deeper nested than the real anchor
1008                 LCursor & bvcur = cur.bv().cursor();
1009                 if (bvcur.anchor_.hasPart(cur)) {
1010                         CursorSlice old = bvcur.top();
1011
1012                         int const wh = bv->workHeight();
1013                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1014
1015                         setCursorFromCoordinates(cur, cmd.x, y);
1016                         cur.x_target() = cmd.x;
1017                         if (cmd.y >= wh)
1018                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1019                         else if (cmd.y < 0)
1020                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1021                         // This is to allow jumping over large insets
1022                         if (cur.top() == old) {
1023                                 if (cmd.y >= wh)
1024                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1025                                 else if (cmd.y < 0)
1026                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1027                         }
1028
1029                         if (cur.top() == old)
1030                                 cur.noUpdate();
1031                         else {
1032                                 // don't set anchor_
1033                                 bvcur.setCursor(cur);
1034                                 bvcur.selection() = true;
1035                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1036                         }
1037
1038                 } else
1039                         cur.undispatched();
1040                 break;
1041         }
1042
1043         case LFUN_MOUSE_RELEASE: {
1044                 if (cmd.button() == mouse_button::button2)
1045                         break;
1046
1047                 // finish selection
1048                 if (cmd.button() == mouse_button::button1) {
1049                         if (cur.selection())
1050                                 theSelection().haveSelection(true);
1051                         needsUpdate = false;
1052                         cur.noUpdate();
1053                 }
1054
1055                 bv->switchKeyMap();
1056                 break;
1057         }
1058
1059         case LFUN_SELF_INSERT: {
1060                 if (cmd.argument().empty())
1061                         break;
1062
1063                 // Automatically delete the currently selected
1064                 // text and replace it with what is being
1065                 // typed in now. Depends on lyxrc settings
1066                 // "auto_region_delete", which defaults to
1067                 // true (on).
1068
1069                 if (lyxrc.auto_region_delete) {
1070                         if (cur.selection())
1071                                 cutSelection(cur, false, false);
1072                                 // cutSelection clears the X selection.
1073                         else
1074                                 theSelection().haveSelection(false);
1075                 }
1076
1077                 cur.clearSelection();
1078                 LyXFont const old_font = real_current_font;
1079
1080                 docstring::const_iterator cit = cmd.argument().begin();
1081                 docstring::const_iterator end = cmd.argument().end();
1082                 for (; cit != end; ++cit)
1083 #if 0
1084                         bv->getIntl().getTransManager().
1085                                 translateAndInsert(*cit, this);
1086 #else
1087                         insertChar(bv->cursor(), *cit);
1088 #endif
1089
1090                 cur.resetAnchor();
1091                 moveCursor(cur, false);
1092                 break;
1093         }
1094
1095         case LFUN_URL_INSERT: {
1096                 InsetCommandParams p("url");
1097                 string const data = InsetCommandMailer::params2string("url", p);
1098                 bv->showInsetDialog("url", data, 0);
1099                 break;
1100         }
1101
1102         case LFUN_HTML_INSERT: {
1103                 InsetCommandParams p("htmlurl");
1104                 string const data = InsetCommandMailer::params2string("url", p);
1105                 bv->showInsetDialog("url", data, 0);
1106                 break;
1107         }
1108
1109         case LFUN_LABEL_INSERT: {
1110                 InsetCommandParams p("label");
1111                 // Try to generate a valid label
1112                 p["name"] = (cmd.argument().empty()) ?
1113                         cur.getPossibleLabel() :
1114                         cmd.argument();
1115                 string const data = InsetCommandMailer::params2string("label", p);
1116
1117                 if (cmd.argument().empty()) {
1118                         bv->showInsetDialog("label", data, 0);
1119                 } else {
1120                         FuncRequest fr(LFUN_INSET_INSERT, data);
1121                         dispatch(cur, fr);
1122                 }
1123                 break;
1124         }
1125
1126
1127 #if 0
1128         case LFUN_LIST_INSERT:
1129         case LFUN_THEOREM_INSERT:
1130         case LFUN_CAPTION_INSERT:
1131 #endif
1132         case LFUN_NOTE_INSERT:
1133         case LFUN_CHARSTYLE_INSERT:
1134         case LFUN_BOX_INSERT:
1135         case LFUN_BRANCH_INSERT:
1136         case LFUN_BIBITEM_INSERT:
1137         case LFUN_ERT_INSERT:
1138         case LFUN_FOOTNOTE_INSERT:
1139         case LFUN_MARGINALNOTE_INSERT:
1140         case LFUN_OPTIONAL_INSERT:
1141         case LFUN_ENVIRONMENT_INSERT:
1142                 // Open the inset, and move the current selection
1143                 // inside it.
1144                 doInsertInset(cur, this, cmd, true, true);
1145                 cur.posRight();
1146                 break;
1147
1148         case LFUN_TABULAR_INSERT:
1149                 // if there were no arguments, just open the dialog
1150                 if (doInsertInset(cur, this, cmd, false, true))
1151                         cur.posRight();
1152                 else
1153                         bv->showDialog("tabularcreate");
1154
1155                 break;
1156
1157         case LFUN_FLOAT_INSERT:
1158         case LFUN_FLOAT_WIDE_INSERT:
1159         case LFUN_WRAP_INSERT:
1160                 doInsertInset(cur, this, cmd, true, true);
1161                 cur.posRight();
1162                 // FIXME: the "Caption" name should not be hardcoded,
1163                 // but given by the float definition.
1164                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1165                 break;
1166
1167         case LFUN_INDEX_INSERT:
1168         case LFUN_NOMENCL_INSERT: {
1169                 InsetBase * inset = createInset(&cur.bv(), cmd);
1170                 if (!inset)
1171                         break;
1172
1173                 recordUndo(cur);
1174                 cur.clearSelection();
1175                 insertInset(cur, inset);
1176                 inset->edit(cur, true);
1177                 // Show the dialog for the nomenclature entry, since the
1178                 // description entry still needs to be filled in.
1179                 if (cmd.action == LFUN_NOMENCL_INSERT)
1180                         InsetCommandMailer("nomenclature",
1181                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1182                 cur.posRight();
1183                 break;
1184         }
1185
1186         case LFUN_INDEX_PRINT:
1187         case LFUN_NOMENCL_PRINT:
1188         case LFUN_TOC_INSERT:
1189         case LFUN_HFILL_INSERT:
1190         case LFUN_LINE_INSERT:
1191         case LFUN_PAGEBREAK_INSERT:
1192         case LFUN_CLEARPAGE_INSERT:
1193         case LFUN_CLEARDOUBLEPAGE_INSERT:
1194                 // do nothing fancy
1195                 doInsertInset(cur, this, cmd, false, false);
1196                 cur.posRight();
1197                 break;
1198
1199         case LFUN_DEPTH_DECREMENT:
1200                 changeDepth(cur, DEC_DEPTH);
1201                 break;
1202
1203         case LFUN_DEPTH_INCREMENT:
1204                 changeDepth(cur, INC_DEPTH);
1205                 break;
1206
1207         case LFUN_MATH_DISPLAY:
1208                 mathDispatch(cur, cmd, true);
1209                 break;
1210
1211         case LFUN_MATH_IMPORT_SELECTION:
1212         case LFUN_MATH_MODE:
1213                 if (cmd.argument() == "on")
1214                         // don't pass "on" as argument
1215                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1216                 else
1217                         mathDispatch(cur, cmd, false);
1218                 break;
1219
1220         case LFUN_MATH_MACRO:
1221                 if (cmd.argument().empty())
1222                         cur.errorMessage(from_utf8(N_("Missing argument")));
1223                 else {
1224                         string s = to_utf8(cmd.argument());
1225                         string const s1 = token(s, ' ', 1);
1226                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1227                         string const s2 = token(s, ' ', 2);
1228                         string const type = s2.empty() ? "newcommand" : s2;
1229                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1230                         //cur.nextInset()->edit(cur, true);
1231                 }
1232                 break;
1233
1234         // passthrough hat and underscore outside mathed:
1235         case LFUN_MATH_SUBSCRIPT:
1236                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1237                 break;
1238         case LFUN_MATH_SUPERSCRIPT:
1239                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1240                 break;
1241
1242         case LFUN_MATH_INSERT:
1243         case LFUN_MATH_MATRIX:
1244         case LFUN_MATH_DELIM:
1245         case LFUN_MATH_BIGDELIM: {
1246                 cur.insert(new InsetMathHull(hullSimple));
1247                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1248                 cur.dispatch(cmd);
1249                 break;
1250         }
1251
1252         case LFUN_FONT_EMPH: {
1253                 LyXFont font(LyXFont::ALL_IGNORE);
1254                 font.setEmph(LyXFont::TOGGLE);
1255                 toggleAndShow(cur, this, font);
1256                 break;
1257         }
1258
1259         case LFUN_FONT_BOLD: {
1260                 LyXFont font(LyXFont::ALL_IGNORE);
1261                 font.setSeries(LyXFont::BOLD_SERIES);
1262                 toggleAndShow(cur, this, font);
1263                 break;
1264         }
1265
1266         case LFUN_FONT_NOUN: {
1267                 LyXFont font(LyXFont::ALL_IGNORE);
1268                 font.setNoun(LyXFont::TOGGLE);
1269                 toggleAndShow(cur, this, font);
1270                 break;
1271         }
1272
1273         case LFUN_FONT_CODE: {
1274                 LyXFont font(LyXFont::ALL_IGNORE);
1275                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1276                 toggleAndShow(cur, this, font);
1277                 break;
1278         }
1279
1280         case LFUN_FONT_SANS: {
1281                 LyXFont font(LyXFont::ALL_IGNORE);
1282                 font.setFamily(LyXFont::SANS_FAMILY);
1283                 toggleAndShow(cur, this, font);
1284                 break;
1285         }
1286
1287         case LFUN_FONT_ROMAN: {
1288                 LyXFont font(LyXFont::ALL_IGNORE);
1289                 font.setFamily(LyXFont::ROMAN_FAMILY);
1290                 toggleAndShow(cur, this, font);
1291                 break;
1292         }
1293
1294         case LFUN_FONT_DEFAULT: {
1295                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1296                 toggleAndShow(cur, this, font);
1297                 break;
1298         }
1299
1300         case LFUN_FONT_UNDERLINE: {
1301                 LyXFont font(LyXFont::ALL_IGNORE);
1302                 font.setUnderbar(LyXFont::TOGGLE);
1303                 toggleAndShow(cur, this, font);
1304                 break;
1305         }
1306
1307         case LFUN_FONT_SIZE: {
1308                 LyXFont font(LyXFont::ALL_IGNORE);
1309                 font.setLyXSize(to_utf8(cmd.argument()));
1310                 toggleAndShow(cur, this, font);
1311                 break;
1312         }
1313
1314         case LFUN_LANGUAGE: {
1315                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1316                 if (!lang)
1317                         break;
1318                 LyXFont font(LyXFont::ALL_IGNORE);
1319                 font.setLanguage(lang);
1320                 toggleAndShow(cur, this, font);
1321                 bv->switchKeyMap();
1322                 break;
1323         }
1324
1325         case LFUN_FONT_FREE_APPLY:
1326                 toggleAndShow(cur, this, freefont, toggleall);
1327                 cur.message(_("Character set"));
1328                 break;
1329
1330         // Set the freefont using the contents of \param data dispatched from
1331         // the frontends and apply it at the current cursor location.
1332         case LFUN_FONT_FREE_UPDATE: {
1333                 LyXFont font;
1334                 bool toggle;
1335                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1336                         freefont = font;
1337                         toggleall = toggle;
1338                         toggleAndShow(cur, this, freefont, toggleall);
1339                         cur.message(_("Character set"));
1340                 }
1341                 break;
1342         }
1343
1344         case LFUN_FINISHED_LEFT:
1345                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1346                 break;
1347
1348         case LFUN_FINISHED_RIGHT:
1349                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1350                 ++cur.pos();
1351                 break;
1352
1353         case LFUN_FINISHED_UP:
1354                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1355                 cursorUp(cur);
1356                 break;
1357
1358         case LFUN_FINISHED_DOWN:
1359                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1360                 cursorDown(cur);
1361                 break;
1362
1363         case LFUN_LAYOUT_PARAGRAPH: {
1364                 string data;
1365                 params2string(cur.paragraph(), data);
1366                 data = "show\n" + data;
1367                 bv->showDialogWithData("paragraph", data);
1368                 break;
1369         }
1370
1371         case LFUN_PARAGRAPH_UPDATE: {
1372                 string data;
1373                 params2string(cur.paragraph(), data);
1374
1375                 // Will the paragraph accept changes from the dialog?
1376                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1377
1378                 data = "update " + convert<string>(accept) + '\n' + data;
1379                 bv->updateDialog("paragraph", data);
1380                 break;
1381         }
1382
1383         case LFUN_ACCENT_UMLAUT:
1384         case LFUN_ACCENT_CIRCUMFLEX:
1385         case LFUN_ACCENT_GRAVE:
1386         case LFUN_ACCENT_ACUTE:
1387         case LFUN_ACCENT_TILDE:
1388         case LFUN_ACCENT_CEDILLA:
1389         case LFUN_ACCENT_MACRON:
1390         case LFUN_ACCENT_DOT:
1391         case LFUN_ACCENT_UNDERDOT:
1392         case LFUN_ACCENT_UNDERBAR:
1393         case LFUN_ACCENT_CARON:
1394         case LFUN_ACCENT_SPECIAL_CARON:
1395         case LFUN_ACCENT_BREVE:
1396         case LFUN_ACCENT_TIE:
1397         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1398         case LFUN_ACCENT_CIRCLE:
1399         case LFUN_ACCENT_OGONEK:
1400                 theLyXFunc().handleKeyFunc(cmd.action);
1401                 if (!cmd.argument().empty())
1402                         // FIXME: Are all these characters encoded in one byte in utf8?
1403                         bv->getIntl().getTransManager()
1404                                 .translateAndInsert(cmd.argument()[0], this, cur);
1405                 break;
1406
1407         case LFUN_FLOAT_LIST: {
1408                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1409                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1410                         // not quite sure if we want this...
1411                         recordUndo(cur);
1412                         cur.clearSelection();
1413                         breakParagraph(cur);
1414
1415                         if (cur.lastpos() != 0) {
1416                                 cursorLeft(cur);
1417                                 breakParagraph(cur);
1418                         }
1419
1420                         setLayout(cur, tclass.defaultLayoutName());
1421                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1422                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1423                         cur.posRight();
1424                 } else {
1425                         lyxerr << "Non-existent float type: "
1426                                << to_utf8(cmd.argument()) << endl;
1427                 }
1428                 break;
1429         }
1430
1431         case LFUN_CHANGE_ACCEPT: {
1432                 acceptOrRejectChange(cur, true);
1433                 break;
1434         }
1435
1436         case LFUN_CHANGE_REJECT: {
1437                 acceptOrRejectChange(cur, false);
1438                 break;
1439         }
1440
1441         case LFUN_THESAURUS_ENTRY: {
1442                 docstring arg = cmd.argument();
1443                 if (arg.empty()) {
1444                         arg = cur.selectionAsString(false);
1445                         // FIXME
1446                         if (arg.size() > 100 || arg.empty()) {
1447                                 // Get word or selection
1448                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1449                                 arg = cur.selectionAsString(false);
1450                         }
1451                 }
1452                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1453                 break;
1454         }
1455
1456         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1457                 // Given data, an encoding of the ParagraphParameters
1458                 // generated in the Paragraph dialog, this function sets
1459                 // the current paragraph appropriately.
1460                 istringstream is(to_utf8(cmd.argument()));
1461                 LyXLex lex(0, 0);
1462                 lex.setStream(is);
1463                 ParagraphParameters params;
1464                 params.read(lex);
1465                 setParagraph(cur,
1466                              params.spacing(),
1467                              params.align(),
1468                              params.labelWidthString(),
1469                              params.noindent());
1470                 cur.message(_("Paragraph layout set"));
1471                 break;
1472         }
1473
1474         case LFUN_ESCAPE:
1475                 if (cur.selection()) {
1476                         cur.selection() = false;
1477                 } else {
1478                         cur.undispatched();
1479                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1480                 }
1481                 break;
1482
1483         default:
1484                 lyxerr[Debug::ACTION]
1485                         << BOOST_CURRENT_FUNCTION
1486                         << ": Command " << cmd
1487                         << " not DISPATCHED by LyXText" << endl;
1488                 cur.undispatched();
1489                 break;
1490         }
1491
1492         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1493
1494         // FIXME: The cursor flag is reset two lines below
1495         // so we need to check here if some of the LFUN did touch that.
1496         // for now only LyXText::erase() and LyXText::backspace() do that.
1497         // The plan is to verify all the LFUNs and then to remove this
1498         // singleParUpdate boolean altogether.
1499         if (cur.result().update() & Update::Force) {
1500                 singleParUpdate = false;
1501                 needsUpdate = true;
1502         }
1503
1504         // FIXME: the following code should go in favor of fine grained
1505         // update flag treatment.
1506         if (singleParUpdate) {
1507                 // Inserting characters does not change par height
1508                 ParagraphMetrics const & pms
1509                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1510                 if (pms.dim().height()
1511                     == olddim.height()) {
1512                         // if so, update _only_ this paragraph
1513                         cur.updateFlags(Update::SinglePar |
1514                                 Update::FitCursor |
1515                                 Update::MultiParSel);
1516                         return;
1517                 } else
1518                         needsUpdate = true;
1519         }
1520
1521         if (!needsUpdate
1522             && &oldTopSlice.inset() == &cur.inset()
1523             && oldTopSlice.idx() == cur.idx()
1524             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1525             && !cur.selection())
1526                 // FIXME: it would be better if we could just do this
1527                 //
1528                 //if (cur.result().update() != Update::FitCursor)
1529                 //      cur.noUpdate();
1530                 //
1531                 // But some LFUNs do not set Update::FitCursor when needed, so we
1532                 // do it for all. This is not very harmfull as FitCursor will provoke
1533                 // a full redraw only if needed but still, a proper review of all LFUN
1534                 // should be done and this needsUpdate boolean can then be removed.
1535                 cur.updateFlags(Update::FitCursor);
1536         else
1537                 cur.updateFlags(Update::Force | Update::FitCursor);
1538 }
1539
1540
1541 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1542                         FuncStatus & flag) const
1543 {
1544         BOOST_ASSERT(cur.text() == this);
1545
1546         LyXFont const & font = real_current_font;
1547         bool enable = true;
1548         InsetBase::Code code = InsetBase::NO_CODE;
1549
1550         switch (cmd.action) {
1551
1552         case LFUN_DEPTH_DECREMENT:
1553                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1554                 break;
1555
1556         case LFUN_DEPTH_INCREMENT:
1557                 enable = changeDepthAllowed(cur, INC_DEPTH);
1558                 break;
1559
1560         case LFUN_APPENDIX:
1561                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1562                 return true;
1563
1564         case LFUN_BIBITEM_INSERT:
1565                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1566                 break;
1567
1568         case LFUN_DIALOG_SHOW_NEW_INSET:
1569                 if (cmd.argument() == "bibitem")
1570                         code = InsetBase::BIBITEM_CODE;
1571                 else if (cmd.argument() == "bibtex")
1572                         code = InsetBase::BIBTEX_CODE;
1573                 else if (cmd.argument() == "box")
1574                         code = InsetBase::BOX_CODE;
1575                 else if (cmd.argument() == "branch")
1576                         code = InsetBase::BRANCH_CODE;
1577                 else if (cmd.argument() == "citation")
1578                         code = InsetBase::CITE_CODE;
1579                 else if (cmd.argument() == "ert")
1580                         code = InsetBase::ERT_CODE;
1581                 else if (cmd.argument() == "external")
1582                         code = InsetBase::EXTERNAL_CODE;
1583                 else if (cmd.argument() == "float")
1584                         code = InsetBase::FLOAT_CODE;
1585                 else if (cmd.argument() == "graphics")
1586                         code = InsetBase::GRAPHICS_CODE;
1587                 else if (cmd.argument() == "include")
1588                         code = InsetBase::INCLUDE_CODE;
1589                 else if (cmd.argument() == "index")
1590                         code = InsetBase::INDEX_CODE;
1591                 else if (cmd.argument() == "nomenclature")
1592                         code = InsetBase::NOMENCL_CODE;
1593                 else if (cmd.argument() == "label")
1594                         code = InsetBase::LABEL_CODE;
1595                 else if (cmd.argument() == "note")
1596                         code = InsetBase::NOTE_CODE;
1597                 else if (cmd.argument() == "ref")
1598                         code = InsetBase::REF_CODE;
1599                 else if (cmd.argument() == "toc")
1600                         code = InsetBase::TOC_CODE;
1601                 else if (cmd.argument() == "url")
1602                         code = InsetBase::URL_CODE;
1603                 else if (cmd.argument() == "vspace")
1604                         code = InsetBase::VSPACE_CODE;
1605                 else if (cmd.argument() == "wrap")
1606                         code = InsetBase::WRAP_CODE;
1607                 break;
1608
1609         case LFUN_ERT_INSERT:
1610                 code = InsetBase::ERT_CODE;
1611                 break;
1612         case LFUN_FOOTNOTE_INSERT:
1613                 code = InsetBase::FOOT_CODE;
1614                 break;
1615         case LFUN_TABULAR_INSERT:
1616                 code = InsetBase::TABULAR_CODE;
1617                 break;
1618         case LFUN_MARGINALNOTE_INSERT:
1619                 code = InsetBase::MARGIN_CODE;
1620                 break;
1621         case LFUN_FLOAT_INSERT:
1622         case LFUN_FLOAT_WIDE_INSERT:
1623                 code = InsetBase::FLOAT_CODE;
1624                 break;
1625         case LFUN_WRAP_INSERT:
1626                 code = InsetBase::WRAP_CODE;
1627                 break;
1628         case LFUN_FLOAT_LIST:
1629                 code = InsetBase::FLOAT_LIST_CODE;
1630                 break;
1631 #if 0
1632         case LFUN_LIST_INSERT:
1633                 code = InsetBase::LIST_CODE;
1634                 break;
1635         case LFUN_THEOREM_INSERT:
1636                 code = InsetBase::THEOREM_CODE;
1637                 break;
1638 #endif
1639         case LFUN_CAPTION_INSERT:
1640                 code = InsetBase::CAPTION_CODE;
1641                 break;
1642         case LFUN_NOTE_INSERT:
1643                 code = InsetBase::NOTE_CODE;
1644                 break;
1645         case LFUN_CHARSTYLE_INSERT:
1646                 code = InsetBase::CHARSTYLE_CODE;
1647                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1648                         enable = false;
1649                 break;
1650         case LFUN_BOX_INSERT:
1651                 code = InsetBase::BOX_CODE;
1652                 break;
1653         case LFUN_BRANCH_INSERT:
1654                 code = InsetBase::BRANCH_CODE;
1655                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1656                         enable = false;
1657                 break;
1658         case LFUN_LABEL_INSERT:
1659                 code = InsetBase::LABEL_CODE;
1660                 break;
1661         case LFUN_OPTIONAL_INSERT:
1662                 code = InsetBase::OPTARG_CODE;
1663                 enable = numberOfOptArgs(cur.paragraph())
1664                         < cur.paragraph().layout()->optionalargs;
1665                 break;
1666         case LFUN_ENVIRONMENT_INSERT:
1667                 code = InsetBase::BOX_CODE;
1668                 break;
1669         case LFUN_INDEX_INSERT:
1670                 code = InsetBase::INDEX_CODE;
1671                 break;
1672         case LFUN_INDEX_PRINT:
1673                 code = InsetBase::INDEX_PRINT_CODE;
1674                 break;
1675         case LFUN_NOMENCL_INSERT:
1676                 code = InsetBase::NOMENCL_CODE;
1677                 break;
1678         case LFUN_NOMENCL_PRINT:
1679                 code = InsetBase::NOMENCL_PRINT_CODE;
1680                 break;
1681         case LFUN_TOC_INSERT:
1682                 code = InsetBase::TOC_CODE;
1683                 break;
1684         case LFUN_HTML_INSERT:
1685         case LFUN_URL_INSERT:
1686                 code = InsetBase::URL_CODE;
1687                 break;
1688         case LFUN_QUOTE_INSERT:
1689                 // always allow this, since we will inset a raw quote
1690                 // if an inset is not allowed.
1691                 break;
1692         case LFUN_HYPHENATION_POINT_INSERT:
1693         case LFUN_LIGATURE_BREAK_INSERT:
1694         case LFUN_HFILL_INSERT:
1695         case LFUN_MENU_SEPARATOR_INSERT:
1696         case LFUN_DOTS_INSERT:
1697         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1698                 code = InsetBase::SPECIALCHAR_CODE;
1699                 break;
1700         case LFUN_SPACE_INSERT:
1701                 // slight hack: we know this is allowed in math mode
1702                 if (cur.inTexted())
1703                         code = InsetBase::SPACE_CODE;
1704                 break;
1705
1706         case LFUN_INSET_MODIFY:
1707                 // We need to disable this, because we may get called for a
1708                 // tabular cell via
1709                 // InsetTabular::getStatus() -> InsetText::getStatus()
1710                 // and we don't handle LFUN_INSET_MODIFY.
1711                 enable = false;
1712                 break;
1713
1714         case LFUN_FONT_EMPH:
1715                 flag.setOnOff(font.emph() == LyXFont::ON);
1716                 return true;
1717
1718         case LFUN_FONT_NOUN:
1719                 flag.setOnOff(font.noun() == LyXFont::ON);
1720                 return true;
1721
1722         case LFUN_FONT_BOLD:
1723                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1724                 return true;
1725
1726         case LFUN_FONT_SANS:
1727                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1728                 return true;
1729
1730         case LFUN_FONT_ROMAN:
1731                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1732                 return true;
1733
1734         case LFUN_FONT_CODE:
1735                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1736                 return true;
1737
1738         case LFUN_CUT:
1739         case LFUN_COPY:
1740                 enable = cur.selection();
1741                 break;
1742
1743         case LFUN_PASTE:
1744                 if (cmd.argument().empty()) {
1745                         if (theClipboard().isInternal())
1746                                 enable = cap::numberOfSelections() > 0;
1747                         else
1748                                 enable = !theClipboard().empty();
1749                 } else {
1750                         string const arg = to_utf8(cmd.argument());
1751                         if (isStrUnsignedInt(arg)) {
1752                                 unsigned int n = convert<unsigned int>(arg);
1753                                 enable = cap::numberOfSelections() > n;
1754                         } else
1755                                 // unknown argument
1756                                 enable = false;
1757                 }
1758                 break;
1759
1760         case LFUN_CLIPBOARD_PASTE:
1761                 enable = !theClipboard().empty();
1762                 break;
1763
1764         case LFUN_PRIMARY_SELECTION_PASTE:
1765                 enable = cur.selection() || !theSelection().empty();
1766                 break;
1767
1768         case LFUN_PARAGRAPH_MOVE_UP:
1769                 enable = cur.pit() > 0 && !cur.selection();
1770                 break;
1771
1772         case LFUN_PARAGRAPH_MOVE_DOWN:
1773                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1774                 break;
1775
1776         case LFUN_INSET_DISSOLVE:
1777                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1778                 break;
1779
1780         case LFUN_CHANGE_ACCEPT:
1781         case LFUN_CHANGE_REJECT:
1782                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1783                 // In principle, these LFUNs should only be enabled if there
1784                 // is a change at the current position/in the current selection.
1785                 // However, without proper optimizations, this will inevitably
1786                 // result in unacceptable performance - just imagine a user who
1787                 // wants to select the complete content of a long document.
1788                 enable = true;
1789                 break;
1790
1791         case LFUN_WORD_DELETE_FORWARD:
1792         case LFUN_WORD_DELETE_BACKWARD:
1793         case LFUN_LINE_DELETE:
1794         case LFUN_WORD_FORWARD:
1795         case LFUN_WORD_BACKWARD:
1796         case LFUN_CHAR_FORWARD:
1797         case LFUN_CHAR_FORWARD_SELECT:
1798         case LFUN_CHAR_BACKWARD:
1799         case LFUN_CHAR_BACKWARD_SELECT:
1800         case LFUN_UP:
1801         case LFUN_UP_SELECT:
1802         case LFUN_DOWN:
1803         case LFUN_DOWN_SELECT:
1804         case LFUN_PARAGRAPH_UP_SELECT:
1805         case LFUN_PARAGRAPH_DOWN_SELECT:
1806         case LFUN_SCREEN_UP_SELECT:
1807         case LFUN_SCREEN_DOWN_SELECT:
1808         case LFUN_LINE_BEGIN_SELECT:
1809         case LFUN_LINE_END_SELECT:
1810         case LFUN_WORD_FORWARD_SELECT:
1811         case LFUN_WORD_BACKWARD_SELECT:
1812         case LFUN_WORD_SELECT:
1813         case LFUN_PARAGRAPH_UP:
1814         case LFUN_PARAGRAPH_DOWN:
1815         case LFUN_SCREEN_UP:
1816         case LFUN_SCREEN_DOWN:
1817         case LFUN_LINE_BEGIN:
1818         case LFUN_LINE_END:
1819         case LFUN_BREAK_LINE:
1820         case LFUN_CHAR_DELETE_FORWARD:
1821         case LFUN_DELETE_FORWARD_SKIP:
1822         case LFUN_CHAR_DELETE_BACKWARD:
1823         case LFUN_DELETE_BACKWARD_SKIP:
1824         case LFUN_BREAK_PARAGRAPH:
1825         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1826         case LFUN_BREAK_PARAGRAPH_SKIP:
1827         case LFUN_PARAGRAPH_SPACING:
1828         case LFUN_INSET_INSERT:
1829         case LFUN_WORD_UPCASE:
1830         case LFUN_WORD_LOWCASE:
1831         case LFUN_WORD_CAPITALIZE:
1832         case LFUN_CHARS_TRANSPOSE:
1833         case LFUN_SERVER_GET_XY:
1834         case LFUN_SERVER_SET_XY:
1835         case LFUN_SERVER_GET_FONT:
1836         case LFUN_SERVER_GET_LAYOUT:
1837         case LFUN_LAYOUT:
1838         case LFUN_DATE_INSERT:
1839         case LFUN_SELF_INSERT:
1840         case LFUN_LINE_INSERT:
1841         case LFUN_PAGEBREAK_INSERT:
1842         case LFUN_CLEARPAGE_INSERT:
1843         case LFUN_CLEARDOUBLEPAGE_INSERT:
1844         case LFUN_MATH_DISPLAY:
1845         case LFUN_MATH_IMPORT_SELECTION:
1846         case LFUN_MATH_MODE:
1847         case LFUN_MATH_MACRO:
1848         case LFUN_MATH_MATRIX:
1849         case LFUN_MATH_DELIM:
1850         case LFUN_MATH_BIGDELIM:
1851         case LFUN_MATH_SUBSCRIPT:
1852         case LFUN_MATH_SUPERSCRIPT:
1853         case LFUN_FONT_DEFAULT:
1854         case LFUN_FONT_UNDERLINE:
1855         case LFUN_FONT_SIZE:
1856         case LFUN_LANGUAGE:
1857         case LFUN_FONT_FREE_APPLY:
1858         case LFUN_FONT_FREE_UPDATE:
1859         case LFUN_LAYOUT_PARAGRAPH:
1860         case LFUN_PARAGRAPH_UPDATE:
1861         case LFUN_ACCENT_UMLAUT:
1862         case LFUN_ACCENT_CIRCUMFLEX:
1863         case LFUN_ACCENT_GRAVE:
1864         case LFUN_ACCENT_ACUTE:
1865         case LFUN_ACCENT_TILDE:
1866         case LFUN_ACCENT_CEDILLA:
1867         case LFUN_ACCENT_MACRON:
1868         case LFUN_ACCENT_DOT:
1869         case LFUN_ACCENT_UNDERDOT:
1870         case LFUN_ACCENT_UNDERBAR:
1871         case LFUN_ACCENT_CARON:
1872         case LFUN_ACCENT_SPECIAL_CARON:
1873         case LFUN_ACCENT_BREVE:
1874         case LFUN_ACCENT_TIE:
1875         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1876         case LFUN_ACCENT_CIRCLE:
1877         case LFUN_ACCENT_OGONEK:
1878         case LFUN_THESAURUS_ENTRY:
1879         case LFUN_PARAGRAPH_PARAMS_APPLY:
1880         case LFUN_ESCAPE:
1881         case LFUN_BUFFER_END:
1882         case LFUN_BUFFER_BEGIN:
1883         case LFUN_BUFFER_BEGIN_SELECT:
1884         case LFUN_BUFFER_END_SELECT:
1885         case LFUN_UNICODE_INSERT:
1886                 // these are handled in our dispatch()
1887                 enable = true;
1888                 break;
1889
1890         default:
1891                 return false;
1892         }
1893
1894         if (code != InsetBase::NO_CODE
1895             && (cur.empty() || !cur.inset().insetAllowed(code)))
1896                 enable = false;
1897
1898         flag.enabled(enable);
1899         return true;
1900 }
1901
1902
1903 void LyXText::pasteString(LCursor & cur, docstring const & clip,
1904                 bool asParagraphs)
1905 {
1906         cur.clearSelection();
1907         if (!clip.empty()) {
1908                 recordUndo(cur);
1909                 if (asParagraphs)
1910                         insertStringAsParagraphs(cur, clip);
1911                 else
1912                         insertStringAsLines(cur, clip);
1913         }
1914 }
1915
1916 } // namespace lyx