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 "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 "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Row.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::pasteFromStack;
  80 using cap::pasteClipboard;
  81 using cap::replaceSelection;
  82 using cap::saveSelection;
  83
  84 using support::isStrUnsignedInt;
  85 using support::token;
  86
  87 using std::endl;
  88 using std::string;
  89 using std::istringstream;
  90 using std::ostringstream;
  91
  92
  93 extern string current_layout;
  94
  95
  96 namespace {
  97
  98         // globals...
  99         Font freefont(Font::ALL_IGNORE);
 100         bool toggleall = false;
 101
 102
 103         void toggleAndShow(Cursor & cur, Text * text,
 104                 Font const & font, bool toggleall = true)
 105         {
 106                 text->toggleFree(cur, font, toggleall);
 107
 108                 if (font.language() != ignore_language ||
 109                                 font.number() != Font::IGNORE) {
 110                         Paragraph & par = cur.paragraph();
 111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 112                         if (cur.boundary() !=
 113                                         text->bidi.isBoundary(cur.buffer(), par,
 114                                                         cur.pos(),
 115                                                         text->real_current_font))
 116                                 text->setCursor(cur, cur.pit(), cur.pos(),
 117                                                 false, !cur.boundary());
 118                 }
 119         }
 120
 121
 122         void moveCursor(Cursor & cur, bool selecting)
 123         {
 124                 if (selecting || cur.mark())
 125                         cur.setSelection();
 126                 saveSelection(cur);
 127                 cur.bv().switchKeyMap();
 128         }
 129
 130
 131         void finishChange(Cursor & cur, bool selecting)
 132         {
 133                 finishUndo();
 134                 moveCursor(cur, selecting);
 135         }
 136
 137
 138         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 139         {
 140                 recordUndo(cur);
 141                 docstring sel = cur.selectionAsString(false);
 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                                 Lexer 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 Text::cursorPrevious(Cursor & 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 Text::cursorNext(Cursor & 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(Cursor & cur, InsetSpecialChar::Kind kind)
 246 {
 247         cap::replaceSelection(cur);
 248         cur.insert(new InsetSpecialChar(kind));
 249         cur.posRight();
 250 }
 251
 252
 253 bool doInsertInset(Cursor & cur, Text * text,
 254         FuncRequest const & cmd, bool edit, bool pastesel)
 255 {
 256         Inset * 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                         Layout_ptr const layout =
 276                                 cur.buffer().params().getTextClass().defaultLayout();
 277                         cur.text()->paragraphs().begin()->layout(layout);
 278                 }
 279         }
 280         return true;
 281 }
 282
 283
 284 } // anon namespace
 285
 286
 287 void Text::number(Cursor & cur)
 288 {
 289         Font font(Font::ALL_IGNORE);
 290         font.setNumber(Font::TOGGLE);
 291         toggleAndShow(cur, this, font);
 292 }
 293
 294
 295 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 296 {
 297         return par.isRightToLeftPar(buffer.params());
 298 }
 299
 300
 301 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 302 {
 303         LYXERR(Debug::ACTION) << "Text::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                 // begin.pos() (== cur.pos()) may point beyond the end of the
 337                 // paragraph referenced by begin. This would cause a crash
 338                 // in updateLabels()
 339                 begin.pos() = 0;
 340                 ++cur.pit();
 341                 ParIterator end = boost::next(ParIterator(cur));
 342                 updateLabels(cur.buffer(), begin, end);
 343
 344                 needsUpdate = true;
 345                 break;
 346         }
 347
 348         case LFUN_PARAGRAPH_MOVE_UP: {
 349                 pit_type const pit = cur.pit();
 350                 recUndo(cur, pit - 1, pit);
 351                 finishUndo();
 352                 std::swap(pars_[pit], pars_[pit - 1]);
 353
 354                 ParIterator end = ParIterator(cur);
 355                 // end.pos() (== cur.pos()) may point beyond the end of the
 356                 // paragraph referenced by end. This would cause a crash
 357                 // in boost::next()
 358                 end.pos() = 0;
 359                 end = boost::next(end);
 360                 --cur.pit();
 361                 ParIterator begin(cur);
 362                 updateLabels(cur.buffer(), begin, end);
 363
 364                 needsUpdate = true;
 365                 break;
 366         }
 367
 368         case LFUN_APPENDIX: {
 369                 Paragraph & par = cur.paragraph();
 370                 bool start = !par.params().startOfAppendix();
 371
 372 #ifdef WITH_WARNINGS
 373 #warning The code below only makes sense at top level.
 374 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 375 #endif
 376                 // ensure that we have only one start_of_appendix in this document
 377                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 378                         if (pars_[tmp].params().startOfAppendix()) {
 379                                 recUndo(cur, tmp);
 380                                 pars_[tmp].params().startOfAppendix(false);
 381                                 break;
 382                         }
 383                 }
 384
 385                 recordUndo(cur);
 386                 par.params().startOfAppendix(start);
 387
 388                 // we can set the refreshing parameters now
 389                 updateLabels(cur.buffer());
 390                 break;
 391         }
 392
 393         case LFUN_WORD_DELETE_FORWARD:
 394                 cur.clearSelection();
 395                 deleteWordForward(cur);
 396                 finishChange(cur, false);
 397                 break;
 398
 399         case LFUN_WORD_DELETE_BACKWARD:
 400                 cur.clearSelection();
 401                 deleteWordBackward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_LINE_DELETE:
 406                 cur.clearSelection();
 407                 deleteLineForward(cur);
 408                 finishChange(cur, false);
 409                 break;
 410
 411         case LFUN_BUFFER_BEGIN:
 412         case LFUN_BUFFER_BEGIN_SELECT:
 413                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 414                 if (cur.depth() == 1) {
 415                         needsUpdate |= cursorTop(cur);
 416                 } else {
 417                         cur.undispatched();
 418                 }
 419                 break;
 420
 421         case LFUN_BUFFER_END:
 422         case LFUN_BUFFER_END_SELECT:
 423                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 424                 if (cur.depth() == 1) {
 425                         needsUpdate |= cursorBottom(cur);
 426                 } else {
 427                         cur.undispatched();
 428                 }
 429                 break;
 430
 431         case LFUN_CHAR_FORWARD:
 432         case LFUN_CHAR_FORWARD_SELECT:
 433                 //lyxerr << BOOST_CURRENT_FUNCTION
 434                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 435                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 436                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 437                         needsUpdate |= cursorLeft(cur);
 438                 else
 439                         needsUpdate |= cursorRight(cur);
 440
 441                 if (!needsUpdate && oldTopSlice == cur.top()
 442                                 && cur.boundary() == oldBoundary) {
 443                         cur.undispatched();
 444                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 445                 }
 446                 if (cur.selection())
 447                         saveSelection(cur);
 448                 break;
 449
 450         case LFUN_CHAR_BACKWARD:
 451         case LFUN_CHAR_BACKWARD_SELECT:
 452                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 453                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 454                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 455                         needsUpdate |= cursorRight(cur);
 456                 else
 457                         needsUpdate |= cursorLeft(cur);
 458
 459                 if (!needsUpdate && oldTopSlice == cur.top()
 460                         && cur.boundary() == oldBoundary) {
 461                         cur.undispatched();
 462                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 463                 }
 464                 if (cur.selection())
 465                         saveSelection(cur);
 466                 break;
 467
 468         case LFUN_UP:
 469         case LFUN_UP_SELECT:
 470                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 471                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 472
 473                 needsUpdate |= cursorUp(cur);
 474
 475                 if (!needsUpdate && oldTopSlice == cur.top()
 476                           && cur.boundary() == oldBoundary) {
 477                         cur.undispatched();
 478                         cmd = FuncRequest(LFUN_FINISHED_UP);
 479                 }
 480                 if (cur.selection())
 481                         saveSelection(cur);
 482                 break;
 483
 484         case LFUN_DOWN:
 485         case LFUN_DOWN_SELECT:
 486                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 487                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 488                 needsUpdate |= cursorDown(cur);
 489
 490                 if (!needsUpdate && oldTopSlice == cur.top() &&
 491                     cur.boundary() == oldBoundary)
 492                 {
 493                         cur.undispatched();
 494                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 495                 }
 496                 if (cur.selection())
 497                         saveSelection(cur);
 498                 break;
 499
 500         case LFUN_PARAGRAPH_UP:
 501         case LFUN_PARAGRAPH_UP_SELECT:
 502                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 503                 needsUpdate |= cursorUpParagraph(cur);
 504                 if (cur.selection())
 505                         saveSelection(cur);
 506                 break;
 507
 508         case LFUN_PARAGRAPH_DOWN:
 509         case LFUN_PARAGRAPH_DOWN_SELECT:
 510                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 511                 needsUpdate |= cursorDownParagraph(cur);
 512                 if (cur.selection())
 513                         saveSelection(cur);
 514                 break;
 515
 516         case LFUN_SCREEN_UP:
 517         case LFUN_SCREEN_UP_SELECT:
 518                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 519                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 520                         cur.undispatched();
 521                         cmd = FuncRequest(LFUN_FINISHED_UP);
 522                 } else {
 523                         cursorPrevious(cur);
 524                 }
 525                 if (cur.selection())
 526                         saveSelection(cur);
 527                 break;
 528
 529         case LFUN_SCREEN_DOWN:
 530         case LFUN_SCREEN_DOWN_SELECT:
 531                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 532                 if (cur.pit() == cur.lastpit()
 533                           && cur.textRow().endpos() == cur.lastpos()) {
 534                         cur.undispatched();
 535                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 536                 } else {
 537                         cursorNext(cur);
 538                 }
 539                 if (cur.selection())
 540                         saveSelection(cur);
 541                 break;
 542
 543         case LFUN_LINE_BEGIN:
 544         case LFUN_LINE_BEGIN_SELECT:
 545                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 546                 needsUpdate |= cursorHome(cur);
 547                 break;
 548
 549         case LFUN_LINE_END:
 550         case LFUN_LINE_END_SELECT:
 551                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 552                 needsUpdate |= cursorEnd(cur);
 553                 if (cur.selection())
 554                         saveSelection(cur);
 555                 break;
 556
 557         case LFUN_WORD_FORWARD:
 558         case LFUN_WORD_FORWARD_SELECT:
 559                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 560                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 561                         needsUpdate |= cursorLeftOneWord(cur);
 562                 else
 563                         needsUpdate |= cursorRightOneWord(cur);
 564                 if (cur.selection())
 565                         saveSelection(cur);
 566                 break;
 567
 568         case LFUN_WORD_BACKWARD:
 569         case LFUN_WORD_BACKWARD_SELECT:
 570                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 571                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 572                         needsUpdate |= cursorRightOneWord(cur);
 573                 else
 574                         needsUpdate |= cursorLeftOneWord(cur);
 575                 if (cur.selection())
 576                         saveSelection(cur);
 577                 break;
 578
 579         case LFUN_WORD_SELECT: {
 580                 selectWord(cur, WHOLE_WORD);
 581                 finishChange(cur, true);
 582                 break;
 583         }
 584
 585         case LFUN_BREAK_LINE: {
 586                 // Not allowed by LaTeX (labels or empty par)
 587                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 588                         // this avoids a double undo
 589                         // FIXME: should not be needed, ideally
 590                         if (!cur.selection())
 591                                 recordUndo(cur);
 592                         cap::replaceSelection(cur);
 593                         cur.insert(new InsetNewline);
 594                         cur.posRight();
 595                         moveCursor(cur, false);
 596                 }
 597                 break;
 598         }
 599
 600         case LFUN_CHAR_DELETE_FORWARD:
 601                 if (!cur.selection()) {
 602                         if (cur.pos() == cur.paragraph().size())
 603                                 // Par boundary, force full-screen update
 604                                 singleParUpdate = false;
 605                         needsUpdate |= erase(cur);
 606                         cur.resetAnchor();
 607                         // It is possible to make it a lot faster still
 608                         // just comment out the line below...
 609                 } else {
 610                         cutSelection(cur, true, false);
 611                         singleParUpdate = false;
 612                 }
 613                 moveCursor(cur, false);
 614                 break;
 615
 616         case LFUN_DELETE_FORWARD_SKIP:
 617                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 618                 if (!cur.selection()) {
 619                         if (cur.pos() == cur.lastpos()) {
 620                                 cursorRight(cur);
 621                                 cursorLeft(cur);
 622                         }
 623                         erase(cur);
 624                         cur.resetAnchor();
 625                 } else {
 626                         cutSelection(cur, true, false);
 627                 }
 628                 break;
 629
 630
 631         case LFUN_CHAR_DELETE_BACKWARD:
 632                 if (!cur.selection()) {
 633                         if (bv->getIntl().getTransManager().backspace()) {
 634                                 // Par boundary, full-screen update
 635                                 if (cur.pos() == 0)
 636                                         singleParUpdate = false;
 637                                 needsUpdate |= backspace(cur);
 638                                 cur.resetAnchor();
 639                                 // It is possible to make it a lot faster still
 640                                 // just comment out the line below...
 641                         }
 642                 } else {
 643                         cutSelection(cur, true, false);
 644                         singleParUpdate = false;
 645                 }
 646                 bv->switchKeyMap();
 647                 break;
 648
 649         case LFUN_DELETE_BACKWARD_SKIP:
 650                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 651                 if (!cur.selection()) {
 652 #ifdef WITH_WARNINGS
 653 #warning look here
 654 #endif
 655                         //CursorSlice cur = cursor();
 656                         backspace(cur);
 657                         //anchor() = cur;
 658                 } else {
 659                         cutSelection(cur, true, false);
 660                 }
 661                 break;
 662
 663         case LFUN_BREAK_PARAGRAPH:
 664                 cap::replaceSelection(cur);
 665                 breakParagraph(cur, 0);
 666                 cur.resetAnchor();
 667                 bv->switchKeyMap();
 668                 break;
 669
 670         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 671                 cap::replaceSelection(cur);
 672                 breakParagraph(cur, 1);
 673                 cur.resetAnchor();
 674                 bv->switchKeyMap();
 675                 break;
 676
 677         case LFUN_BREAK_PARAGRAPH_SKIP: {
 678                 // When at the beginning of a paragraph, remove
 679                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 680                 cap::replaceSelection(cur);
 681                 if (cur.pos() == 0)
 682                         cur.paragraph().params().labelWidthString(docstring());
 683                 else
 684                         breakParagraph(cur, 0);
 685                 cur.resetAnchor();
 686                 bv->switchKeyMap();
 687                 break;
 688         }
 689
 690         case LFUN_PARAGRAPH_SPACING: {
 691                 Paragraph & par = cur.paragraph();
 692                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 693                 string cur_value = "1.0";
 694                 if (cur_spacing == Spacing::Other)
 695                         cur_value = par.params().spacing().getValueAsString();
 696
 697                 istringstream is(to_utf8(cmd.argument()));
 698                 string tmp;
 699                 is >> tmp;
 700                 Spacing::Space new_spacing = cur_spacing;
 701                 string new_value = cur_value;
 702                 if (tmp.empty()) {
 703                         lyxerr << "Missing argument to `paragraph-spacing'"
 704                                << endl;
 705                 } else if (tmp == "single") {
 706                         new_spacing = Spacing::Single;
 707                 } else if (tmp == "onehalf") {
 708                         new_spacing = Spacing::Onehalf;
 709                 } else if (tmp == "double") {
 710                         new_spacing = Spacing::Double;
 711                 } else if (tmp == "other") {
 712                         new_spacing = Spacing::Other;
 713                         string tmpval = "0.0";
 714                         is >> tmpval;
 715                         lyxerr << "new_value = " << tmpval << endl;
 716                         if (tmpval != "0.0")
 717                                 new_value = tmpval;
 718                 } else if (tmp == "default") {
 719                         new_spacing = Spacing::Default;
 720                 } else {
 721                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 722                                << to_utf8(cmd.argument()) << endl;
 723                 }
 724                 if (cur_spacing != new_spacing || cur_value != new_value)
 725                         par.params().spacing(Spacing(new_spacing, new_value));
 726                 break;
 727         }
 728
 729         case LFUN_INSET_INSERT: {
 730                 recordUndo(cur);
 731                 Inset * inset = createInset(bv, cmd);
 732                 if (inset) {
 733                         // FIXME (Abdel 01/02/2006):
 734                         // What follows would be a partial fix for bug 2154:
 735                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 736                         // This automatically put the label inset _after_ a
 737                         // numbered section. It should be possible to extend the mechanism
 738                         // to any kind of LateX environement.
 739                         // The correct way to fix that bug would be at LateX generation.
 740                         // I'll let the code here for reference as it could be used for some
 741                         // other feature like "automatic labelling".
 742                         /*
 743                         Paragraph & par = pars_[cur.pit()];
 744                         if (inset->lyxCode() == Inset::LABEL_CODE
 745                                 && par.layout()->labeltype == LABEL_COUNTER) {
 746                                 // Go to the end of the paragraph
 747                                 // Warning: Because of Change-Tracking, the last
 748                                 // position is 'size()' and not 'size()-1':
 749                                 cur.pos() = par.size();
 750                                 // Insert a new paragraph
 751                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 752                                 dispatch(cur, fr);
 753                         }
 754                         */
 755                         insertInset(cur, inset);
 756                         cur.posRight();
 757                 }
 758                 break;
 759         }
 760
 761         case LFUN_INSET_DISSOLVE:
 762                 needsUpdate |= dissolveInset(cur);
 763                 break;
 764
 765         case LFUN_INSET_SETTINGS:
 766                 cur.inset().showInsetDialog(bv);
 767                 break;
 768
 769         case LFUN_SPACE_INSERT:
 770                 if (cur.paragraph().layout()->free_spacing)
 771                         insertChar(cur, ' ');
 772                 else {
 773                         doInsertInset(cur, this, cmd, false, false);
 774                         cur.posRight();
 775                 }
 776                 moveCursor(cur, false);
 777                 break;
 778
 779         case LFUN_HYPHENATION_POINT_INSERT:
 780                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 781                 break;
 782
 783         case LFUN_LIGATURE_BREAK_INSERT:
 784                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 785                 break;
 786
 787         case LFUN_DOTS_INSERT:
 788                 specialChar(cur, InsetSpecialChar::LDOTS);
 789                 break;
 790
 791         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 792                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 793                 break;
 794
 795         case LFUN_MENU_SEPARATOR_INSERT:
 796                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 797                 break;
 798
 799         case LFUN_WORD_UPCASE:
 800                 changeCase(cur, Text::text_uppercase);
 801                 break;
 802
 803         case LFUN_WORD_LOWCASE:
 804                 changeCase(cur, Text::text_lowercase);
 805                 break;
 806
 807         case LFUN_WORD_CAPITALIZE:
 808                 changeCase(cur, Text::text_capitalization);
 809                 break;
 810
 811         case LFUN_CHARS_TRANSPOSE:
 812                 charsTranspose(cur);
 813                 break;
 814
 815         case LFUN_PASTE:
 816                 cur.message(_("Paste"));
 817                 cap::replaceSelection(cur);
 818                 if (cmd.argument().empty() && !theClipboard().isInternal())
 819                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 820                 else {
 821                         string const arg(to_utf8(cmd.argument()));
 822                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
 823                                         isStrUnsignedInt(arg) ?
 824                                                 convert<unsigned int>(arg) :
 825                                                 0);
 826                 }
 827                 bv->buffer()->errors("Paste");
 828                 cur.clearSelection(); // bug 393
 829                 bv->switchKeyMap();
 830                 finishUndo();
 831                 break;
 832
 833         case LFUN_CUT:
 834                 cutSelection(cur, true, true);
 835                 cur.message(_("Cut"));
 836                 break;
 837
 838         case LFUN_COPY:
 839                 copySelection(cur);
 840                 cur.message(_("Copy"));
 841                 break;
 842
 843         case LFUN_SERVER_GET_XY:
 844                 cur.message(from_utf8(
 845                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 846                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 847                 break;
 848
 849         case LFUN_SERVER_SET_XY: {
 850                 int x = 0;
 851                 int y = 0;
 852                 istringstream is(to_utf8(cmd.argument()));
 853                 is >> x >> y;
 854                 if (!is)
 855                         lyxerr << "SETXY: Could not parse coordinates in '"
 856                                << to_utf8(cmd.argument()) << std::endl;
 857                 else
 858                         setCursorFromCoordinates(cur, x, y);
 859                 break;
 860         }
 861
 862         case LFUN_SERVER_GET_FONT:
 863                 if (current_font.shape() == Font::ITALIC_SHAPE)
 864                         cur.message(from_ascii("E"));
 865                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 866                         cur.message(from_ascii("N"));
 867                 else
 868                         cur.message(from_ascii("0"));
 869                 break;
 870
 871         case LFUN_SERVER_GET_LAYOUT:
 872                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 873                 break;
 874
 875         case LFUN_LAYOUT: {
 876                 string layout = to_ascii(cmd.argument());
 877                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << layout << endl;
 878
 879                 // Derive layout number from given argument (string)
 880                 // and current buffer's textclass (number)
 881                 TextClass const & tclass = bv->buffer()->params().getTextClass();
 882                 if (layout.empty())
 883                         layout = tclass.defaultLayoutName();
 884                 bool hasLayout = tclass.hasLayout(layout);
 885
 886                 // If the entry is obsolete, use the new one instead.
 887                 if (hasLayout) {
 888                         string const & obs = tclass[layout]->obsoleted_by();
 889                         if (!obs.empty())
 890                                 layout = obs;
 891                 }
 892
 893                 if (!hasLayout) {
 894                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 895                                 from_utf8(N_(" not known")));
 896                         break;
 897                 }
 898
 899                 bool change_layout = (current_layout != layout);
 900
 901                 if (!change_layout && cur.selection() &&
 902                         cur.selBegin().pit() != cur.selEnd().pit())
 903                 {
 904                         pit_type spit = cur.selBegin().pit();
 905                         pit_type epit = cur.selEnd().pit() + 1;
 906                         while (spit != epit) {
 907                                 if (pars_[spit].layout()->name() != current_layout) {
 908                                         change_layout = true;
 909                                         break;
 910                                 }
 911                                 ++spit;
 912                         }
 913                 }
 914
 915                 if (change_layout) {
 916                         current_layout = layout;
 917                         setLayout(cur, layout);
 918                         // inform the GUI that the layout has changed.
 919                         bv->layoutChanged(layout);
 920                         bv->switchKeyMap();
 921                 }
 922                 break;
 923         }
 924
 925         case LFUN_CLIPBOARD_PASTE:
 926                 cur.clearSelection();
 927                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 928                                cmd.argument() == "paragraph");
 929                 bv->buffer()->errors("Paste");
 930                 break;
 931
 932         case LFUN_PRIMARY_SELECTION_PASTE:
 933                 pasteString(cur, theSelection().get(),
 934                             cmd.argument() == "paragraph");
 935                 break;
 936
 937         case LFUN_UNICODE_INSERT: {
 938                 if (cmd.argument().empty())
 939                         break;
 940                 docstring hexstring = cmd.argument();
 941                 if (lyx::support::isHex(hexstring)) {
 942                         char_type c = lyx::support::hexToInt(hexstring);
 943                         if (c > 32 && c < 0x10ffff) {
 944                                 lyxerr << "Inserting c: " << c << endl;
 945                                 docstring s = docstring(1, c);
 946                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 947                         }
 948                 }
 949                 break;
 950         }
 951
 952         case LFUN_QUOTE_INSERT: {
 953                 Paragraph & par = cur.paragraph();
 954                 pos_type pos = cur.pos();
 955                 BufferParams const & bufparams = bv->buffer()->params();
 956                 Layout_ptr const & style = par.layout();
 957                 if (!style->pass_thru
 958                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 959                         // this avoids a double undo
 960                         // FIXME: should not be needed, ideally
 961                         if (!cur.selection())
 962                                 recordUndo(cur);
 963                         cap::replaceSelection(cur);
 964                         pos = cur.pos();
 965                         char_type c;
 966                         if (pos == 0)
 967                                 c = ' ';
 968                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 969                                 c = ' ';
 970                         else
 971                                 c = par.getChar(pos - 1);
 972                         string arg = to_utf8(cmd.argument());
 973                         if (arg == "single")
 974                                 cur.insert(new InsetQuotes(c,
 975                                     bufparams.quotes_language,
 976                                     InsetQuotes::SingleQ));
 977                         else
 978                                 cur.insert(new InsetQuotes(c,
 979                                     bufparams.quotes_language,
 980                                     InsetQuotes::DoubleQ));
 981                         cur.posRight();
 982                 }
 983                 else
 984                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 985                 break;
 986         }
 987
 988         case LFUN_DATE_INSERT:
 989                 if (cmd.argument().empty())
 990                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 991                                 formatted_time(current_time())));
 992                 else
 993                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 994                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 995                 break;
 996
 997         case LFUN_MOUSE_TRIPLE:
 998                 if (cmd.button() == mouse_button::button1) {
 999                         cursorHome(cur);
1000                         cur.resetAnchor();
1001                         cursorEnd(cur);
1002                         cur.setSelection();
1003                         bv->cursor() = cur;
1004                         saveSelection(cur);
1005                 }
1006                 break;
1007
1008         case LFUN_MOUSE_DOUBLE:
1009                 if (cmd.button() == mouse_button::button1) {
1010                         selectWord(cur, WHOLE_WORD_STRICT);
1011                         bv->cursor() = cur;
1012                 }
1013                 break;
1014
1015         // Single-click on work area
1016         case LFUN_MOUSE_PRESS: {
1017                 // Right click on a footnote flag opens float menu
1018                 if (cmd.button() == mouse_button::button3)
1019                         cur.clearSelection();
1020
1021                 // Middle button press pastes if we have a selection
1022                 // We do this here as if the selection was inside an inset
1023                 // it could get cleared on the unlocking of the inset so
1024                 // we have to check this first
1025                 bool paste_internally = false;
1026                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1027                         // Copy the selection buffer to the clipboard
1028                         // stack, because we want it to appear in the
1029                         // "Edit->Paste recent" menu.
1030                         cap::copySelectionToStack();
1031                         paste_internally = true;
1032                 }
1033
1034                 // we have to update after dePM triggered
1035                 bool update = bv->mouseSetCursor(cur);
1036
1037                 // Insert primary selection with middle mouse
1038                 // if there is a local selection in the current buffer,
1039                 // insert this
1040                 if (cmd.button() == mouse_button::button2) {
1041                         if (paste_internally) {
1042                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1043                                 bv->buffer()->errors("Paste");
1044                                 cur.clearSelection(); // bug 393
1045                                 bv->switchKeyMap();
1046                                 finishUndo();
1047                         } else
1048                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1049                 }
1050
1051                 if (!update && cmd.button() == mouse_button::button1) {
1052                         needsUpdate = false;
1053                         cur.noUpdate();
1054                 }
1055
1056                 break;
1057         }
1058
1059         case LFUN_MOUSE_MOTION: {
1060                 // Only use motion with button 1
1061                 //if (cmd.button() != mouse_button::button1)
1062                 //      return false;
1063
1064                 // ignore motions deeper nested than the real anchor
1065                 Cursor & bvcur = cur.bv().cursor();
1066                 if (bvcur.anchor_.hasPart(cur)) {
1067                         CursorSlice old = bvcur.top();
1068
1069                         int const wh = bv->workHeight();
1070                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1071
1072                         setCursorFromCoordinates(cur, cmd.x, y);
1073                         cur.x_target() = cmd.x;
1074                         if (cmd.y >= wh)
1075                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1076                         else if (cmd.y < 0)
1077                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1078                         // This is to allow jumping over large insets
1079                         if (cur.top() == old) {
1080                                 if (cmd.y >= wh)
1081                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1082                                 else if (cmd.y < 0)
1083                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1084                         }
1085
1086                         if (cur.top() == old)
1087                                 cur.noUpdate();
1088                         else {
1089                                 // don't set anchor_
1090                                 bvcur.setCursor(cur);
1091                                 bvcur.selection() = true;
1092                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1093                         }
1094
1095                 } else
1096                         cur.undispatched();
1097                 break;
1098         }
1099
1100         case LFUN_MOUSE_RELEASE: {
1101                 if (cmd.button() == mouse_button::button2)
1102                         break;
1103
1104                 if (cmd.button() == mouse_button::button1) {
1105                         // if there is new selection, update persistent
1106                         // selection, otherwise, single click does not
1107                         // clear persistent selection buffer
1108                         if (cur.selection()) {
1109                                 // finish selection
1110                                 // if double click, cur is moved to the end of word by selectWord
1111                                 // but bvcur is current mouse position
1112                                 Cursor & bvcur = cur.bv().cursor();
1113                                 bvcur.selection() = true;
1114                                 saveSelection(bvcur);
1115                         }
1116                         needsUpdate = false;
1117                         cur.noUpdate();
1118                 }
1119
1120                 bv->switchKeyMap();
1121                 break;
1122         }
1123
1124         case LFUN_SELF_INSERT: {
1125                 if (cmd.argument().empty())
1126                         break;
1127
1128                 // Automatically delete the currently selected
1129                 // text and replace it with what is being
1130                 // typed in now. Depends on lyxrc settings
1131                 // "auto_region_delete", which defaults to
1132                 // true (on).
1133
1134                 if (lyxrc.auto_region_delete)
1135                         if (cur.selection())
1136                                 cutSelection(cur, false, false);
1137
1138                 cur.clearSelection();
1139                 Font const old_font = real_current_font;
1140
1141                 docstring::const_iterator cit = cmd.argument().begin();
1142                 docstring::const_iterator end = cmd.argument().end();
1143                 for (; cit != end; ++cit)
1144                         bv->getIntl().getTransManager().
1145                                 translateAndInsert(*cit, this, cur);
1146
1147                 cur.resetAnchor();
1148                 moveCursor(cur, false);
1149                 break;
1150         }
1151
1152         case LFUN_URL_INSERT: {
1153                 InsetCommandParams p("url");
1154                 string const data = InsetCommandMailer::params2string("url", p);
1155                 bv->showInsetDialog("url", data, 0);
1156                 break;
1157         }
1158
1159         case LFUN_HTML_INSERT: {
1160                 InsetCommandParams p("htmlurl");
1161                 string const data = InsetCommandMailer::params2string("url", p);
1162                 bv->showInsetDialog("url", data, 0);
1163                 break;
1164         }
1165
1166         case LFUN_LABEL_INSERT: {
1167                 InsetCommandParams p("label");
1168                 // Try to generate a valid label
1169                 p["name"] = (cmd.argument().empty()) ?
1170                         cur.getPossibleLabel() :
1171                         cmd.argument();
1172                 string const data = InsetCommandMailer::params2string("label", p);
1173
1174                 if (cmd.argument().empty()) {
1175                         bv->showInsetDialog("label", data, 0);
1176                 } else {
1177                         FuncRequest fr(LFUN_INSET_INSERT, data);
1178                         dispatch(cur, fr);
1179                 }
1180                 break;
1181         }
1182
1183
1184 #if 0
1185         case LFUN_LIST_INSERT:
1186         case LFUN_THEOREM_INSERT:
1187 #endif
1188         case LFUN_CAPTION_INSERT:
1189                 // Open the inset, and move the current selection
1190                 // inside it.
1191                 doInsertInset(cur, this, cmd, true, true);
1192                 cur.posRight();
1193                 updateLabels(*bv->buffer());
1194                 break;
1195         case LFUN_NOTE_INSERT:
1196         case LFUN_CHARSTYLE_INSERT:
1197         case LFUN_BOX_INSERT:
1198         case LFUN_BRANCH_INSERT:
1199         case LFUN_BIBITEM_INSERT:
1200         case LFUN_ERT_INSERT:
1201         case LFUN_FOOTNOTE_INSERT:
1202         case LFUN_MARGINALNOTE_INSERT:
1203         case LFUN_OPTIONAL_INSERT:
1204         case LFUN_ENVIRONMENT_INSERT:
1205                 // Open the inset, and move the current selection
1206                 // inside it.
1207                 doInsertInset(cur, this, cmd, true, true);
1208                 cur.posRight();
1209                 break;
1210
1211         case LFUN_TABULAR_INSERT:
1212                 // if there were no arguments, just open the dialog
1213                 if (doInsertInset(cur, this, cmd, false, true))
1214                         cur.posRight();
1215                 else
1216                         bv->showDialog("tabularcreate");
1217
1218                 break;
1219
1220         case LFUN_FLOAT_INSERT:
1221         case LFUN_FLOAT_WIDE_INSERT:
1222         case LFUN_WRAP_INSERT: {
1223                 bool content = cur.selection();  // will some text be moved into the inset?
1224
1225                 doInsertInset(cur, this, cmd, true, true);
1226                 cur.posRight();
1227                 ParagraphList & pars = cur.text()->paragraphs();
1228
1229                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1230
1231                 // add a separate paragraph for the caption inset
1232                 pars.push_back(Paragraph());
1233                 pars.back().setInsetOwner(pars[0].inInset());
1234                 pars.back().layout(tclass.defaultLayout());
1235
1236                 int cap_pit = pars.size() - 1;
1237
1238                 // if an empty inset was created, we create an additional empty
1239                 // paragraph at the bottom so that the user can choose where to put
1240                 // the graphics (or table).
1241                 if (!content) {
1242                         pars.push_back(Paragraph());
1243                         pars.back().setInsetOwner(pars[0].inInset());
1244                         pars.back().layout(tclass.defaultLayout());
1245
1246                 }
1247
1248                 // reposition the cursor to the caption
1249                 cur.pit() = cap_pit;
1250                 cur.pos() = 0;
1251                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1252                 // FIXME: When leaving the Float (or Wrap) inset we should
1253                 // delete any empty paragraph left above or below the
1254                 // caption.
1255                 break;
1256         }
1257
1258         case LFUN_INDEX_INSERT:
1259         case LFUN_NOMENCL_INSERT: {
1260                 Inset * inset = createInset(&cur.bv(), cmd);
1261                 if (!inset)
1262                         break;
1263                 recordUndo(cur);
1264                 cur.clearSelection();
1265                 insertInset(cur, inset);
1266                 inset->edit(cur, true);
1267                 // Show the dialog for the nomenclature entry, since the
1268                 // description entry still needs to be filled in.
1269                 if (cmd.action == LFUN_NOMENCL_INSERT)
1270                         InsetCommandMailer("nomenclature",
1271                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1272                 cur.posRight();
1273                 break;
1274         }
1275
1276         case LFUN_INDEX_PRINT:
1277         case LFUN_NOMENCL_PRINT:
1278         case LFUN_TOC_INSERT:
1279         case LFUN_HFILL_INSERT:
1280         case LFUN_LINE_INSERT:
1281         case LFUN_PAGEBREAK_INSERT:
1282         case LFUN_CLEARPAGE_INSERT:
1283         case LFUN_CLEARDOUBLEPAGE_INSERT:
1284                 // do nothing fancy
1285                 doInsertInset(cur, this, cmd, false, false);
1286                 cur.posRight();
1287                 break;
1288
1289         case LFUN_DEPTH_DECREMENT:
1290                 changeDepth(cur, DEC_DEPTH);
1291                 break;
1292
1293         case LFUN_DEPTH_INCREMENT:
1294                 changeDepth(cur, INC_DEPTH);
1295                 break;
1296
1297         case LFUN_MATH_DISPLAY:
1298                 mathDispatch(cur, cmd, true);
1299                 break;
1300
1301         case LFUN_MATH_IMPORT_SELECTION:
1302         case LFUN_MATH_MODE:
1303                 if (cmd.argument() == "on")
1304                         // don't pass "on" as argument
1305                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1306                 else
1307                         mathDispatch(cur, cmd, false);
1308                 break;
1309
1310         case LFUN_MATH_MACRO:
1311                 if (cmd.argument().empty())
1312                         cur.errorMessage(from_utf8(N_("Missing argument")));
1313                 else {
1314                         string s = to_utf8(cmd.argument());
1315                         string const s1 = token(s, ' ', 1);
1316                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1317                         string const s2 = token(s, ' ', 2);
1318                         string const type = s2.empty() ? "newcommand" : s2;
1319                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1320                         //cur.nextInset()->edit(cur, true);
1321                 }
1322                 break;
1323
1324         // passthrough hat and underscore outside mathed:
1325         case LFUN_MATH_SUBSCRIPT:
1326                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1327                 break;
1328         case LFUN_MATH_SUPERSCRIPT:
1329                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1330                 break;
1331
1332         case LFUN_MATH_INSERT:
1333         case LFUN_MATH_MATRIX:
1334         case LFUN_MATH_DELIM:
1335         case LFUN_MATH_BIGDELIM: {
1336                 cur.insert(new InsetMathHull(hullSimple));
1337                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1338                 cur.dispatch(cmd);
1339                 break;
1340         }
1341
1342         case LFUN_FONT_EMPH: {
1343                 Font font(Font::ALL_IGNORE);
1344                 font.setEmph(Font::TOGGLE);
1345                 toggleAndShow(cur, this, font);
1346                 break;
1347         }
1348
1349         case LFUN_FONT_BOLD: {
1350                 Font font(Font::ALL_IGNORE);
1351                 font.setSeries(Font::BOLD_SERIES);
1352                 toggleAndShow(cur, this, font);
1353                 break;
1354         }
1355
1356         case LFUN_FONT_NOUN: {
1357                 Font font(Font::ALL_IGNORE);
1358                 font.setNoun(Font::TOGGLE);
1359                 toggleAndShow(cur, this, font);
1360                 break;
1361         }
1362
1363         case LFUN_FONT_CODE: {
1364                 Font font(Font::ALL_IGNORE);
1365                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1366                 toggleAndShow(cur, this, font);
1367                 break;
1368         }
1369
1370         case LFUN_FONT_SANS: {
1371                 Font font(Font::ALL_IGNORE);
1372                 font.setFamily(Font::SANS_FAMILY);
1373                 toggleAndShow(cur, this, font);
1374                 break;
1375         }
1376
1377         case LFUN_FONT_ROMAN: {
1378                 Font font(Font::ALL_IGNORE);
1379                 font.setFamily(Font::ROMAN_FAMILY);
1380                 toggleAndShow(cur, this, font);
1381                 break;
1382         }
1383
1384         case LFUN_FONT_DEFAULT: {
1385                 Font font(Font::ALL_INHERIT, ignore_language);
1386                 toggleAndShow(cur, this, font);
1387                 break;
1388         }
1389
1390         case LFUN_FONT_UNDERLINE: {
1391                 Font font(Font::ALL_IGNORE);
1392                 font.setUnderbar(Font::TOGGLE);
1393                 toggleAndShow(cur, this, font);
1394                 break;
1395         }
1396
1397         case LFUN_FONT_SIZE: {
1398                 Font font(Font::ALL_IGNORE);
1399                 font.setLyXSize(to_utf8(cmd.argument()));
1400                 toggleAndShow(cur, this, font);
1401                 break;
1402         }
1403
1404         case LFUN_LANGUAGE: {
1405                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1406                 if (!lang)
1407                         break;
1408                 Font font(Font::ALL_IGNORE);
1409                 font.setLanguage(lang);
1410                 toggleAndShow(cur, this, font);
1411                 bv->switchKeyMap();
1412                 break;
1413         }
1414
1415         case LFUN_FONT_FREE_APPLY:
1416                 toggleAndShow(cur, this, freefont, toggleall);
1417                 cur.message(_("Character set"));
1418                 break;
1419
1420         // Set the freefont using the contents of \param data dispatched from
1421         // the frontends and apply it at the current cursor location.
1422         case LFUN_FONT_FREE_UPDATE: {
1423                 Font font;
1424                 bool toggle;
1425                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1426                         freefont = font;
1427                         toggleall = toggle;
1428                         toggleAndShow(cur, this, freefont, toggleall);
1429                         cur.message(_("Character set"));
1430                 }
1431                 break;
1432         }
1433
1434         case LFUN_FINISHED_LEFT:
1435                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1436                 break;
1437
1438         case LFUN_FINISHED_RIGHT:
1439                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1440                 ++cur.pos();
1441                 break;
1442
1443         case LFUN_FINISHED_UP:
1444                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1445                 cursorUp(cur);
1446                 break;
1447
1448         case LFUN_FINISHED_DOWN:
1449                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1450                 cursorDown(cur);
1451                 break;
1452
1453         case LFUN_LAYOUT_PARAGRAPH: {
1454                 string data;
1455                 params2string(cur.paragraph(), data);
1456                 data = "show\n" + data;
1457                 bv->showDialogWithData("paragraph", data);
1458                 break;
1459         }
1460
1461         case LFUN_PARAGRAPH_UPDATE: {
1462                 string data;
1463                 params2string(cur.paragraph(), data);
1464
1465                 // Will the paragraph accept changes from the dialog?
1466                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1467
1468                 data = "update " + convert<string>(accept) + '\n' + data;
1469                 bv->updateDialog("paragraph", data);
1470                 break;
1471         }
1472
1473         case LFUN_ACCENT_UMLAUT:
1474         case LFUN_ACCENT_CIRCUMFLEX:
1475         case LFUN_ACCENT_GRAVE:
1476         case LFUN_ACCENT_ACUTE:
1477         case LFUN_ACCENT_TILDE:
1478         case LFUN_ACCENT_CEDILLA:
1479         case LFUN_ACCENT_MACRON:
1480         case LFUN_ACCENT_DOT:
1481         case LFUN_ACCENT_UNDERDOT:
1482         case LFUN_ACCENT_UNDERBAR:
1483         case LFUN_ACCENT_CARON:
1484         case LFUN_ACCENT_SPECIAL_CARON:
1485         case LFUN_ACCENT_BREVE:
1486         case LFUN_ACCENT_TIE:
1487         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1488         case LFUN_ACCENT_CIRCLE:
1489         case LFUN_ACCENT_OGONEK:
1490                 theLyXFunc().handleKeyFunc(cmd.action);
1491                 if (!cmd.argument().empty())
1492                         // FIXME: Are all these characters encoded in one byte in utf8?
1493                         bv->getIntl().getTransManager()
1494                                 .translateAndInsert(cmd.argument()[0], this, cur);
1495                 break;
1496
1497         case LFUN_FLOAT_LIST: {
1498                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1499                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1500                         // not quite sure if we want this...
1501                         recordUndo(cur);
1502                         cur.clearSelection();
1503                         breakParagraph(cur);
1504
1505                         if (cur.lastpos() != 0) {
1506                                 cursorLeft(cur);
1507                                 breakParagraph(cur);
1508                         }
1509
1510                         setLayout(cur, tclass.defaultLayoutName());
1511                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1512                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1513                         cur.posRight();
1514                 } else {
1515                         lyxerr << "Non-existent float type: "
1516                                << to_utf8(cmd.argument()) << endl;
1517                 }
1518                 break;
1519         }
1520
1521         case LFUN_CHANGE_ACCEPT: {
1522                 acceptOrRejectChanges(cur, ACCEPT);
1523                 break;
1524         }
1525
1526         case LFUN_CHANGE_REJECT: {
1527                 acceptOrRejectChanges(cur, REJECT);
1528                 break;
1529         }
1530
1531         case LFUN_THESAURUS_ENTRY: {
1532                 docstring arg = cmd.argument();
1533                 if (arg.empty()) {
1534                         arg = cur.selectionAsString(false);
1535                         // FIXME
1536                         if (arg.size() > 100 || arg.empty()) {
1537                                 // Get word or selection
1538                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1539                                 arg = cur.selectionAsString(false);
1540                         }
1541                 }
1542                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1543                 break;
1544         }
1545
1546         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1547                 // Given data, an encoding of the ParagraphParameters
1548                 // generated in the Paragraph dialog, this function sets
1549                 // the current paragraph appropriately.
1550                 istringstream is(to_utf8(cmd.argument()));
1551                 Lexer lex(0, 0);
1552                 lex.setStream(is);
1553                 ParagraphParameters params;
1554                 params.read(lex);
1555                 setParagraph(cur,
1556                              params.spacing(),
1557                              params.align(),
1558                              params.labelWidthString(),
1559                              params.noindent());
1560                 cur.message(_("Paragraph layout set"));
1561                 break;
1562         }
1563
1564         case LFUN_ESCAPE:
1565                 if (cur.selection()) {
1566                         cur.selection() = false;
1567                         saveSelection(cur);
1568                 } else {
1569                         cur.undispatched();
1570                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1571                 }
1572                 break;
1573
1574         default:
1575                 LYXERR(Debug::ACTION)
1576                         << BOOST_CURRENT_FUNCTION
1577                         << ": Command " << cmd
1578                         << " not DISPATCHED by Text" << endl;
1579                 cur.undispatched();
1580                 break;
1581         }
1582
1583         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1584
1585         // FIXME: The cursor flag is reset two lines below
1586         // so we need to check here if some of the LFUN did touch that.
1587         // for now only Text::erase() and Text::backspace() do that.
1588         // The plan is to verify all the LFUNs and then to remove this
1589         // singleParUpdate boolean altogether.
1590         if (cur.result().update() & Update::Force) {
1591                 singleParUpdate = false;
1592                 needsUpdate = true;
1593         }
1594
1595         // FIXME: the following code should go in favor of fine grained
1596         // update flag treatment.
1597         if (singleParUpdate) {
1598                 // Inserting characters does not change par height
1599                 ParagraphMetrics const & pms
1600                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1601                 if (pms.dim().height()
1602                     == olddim.height()) {
1603                         // if so, update _only_ this paragraph
1604                         cur.updateFlags(Update::SinglePar |
1605                                 Update::FitCursor |
1606                                 Update::MultiParSel);
1607                         return;
1608                 } else
1609                         needsUpdate = true;
1610         }
1611
1612         if (!needsUpdate
1613             && &oldTopSlice.inset() == &cur.inset()
1614             && oldTopSlice.idx() == cur.idx()
1615             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1616             && !cur.selection())
1617                 // FIXME: it would be better if we could just do this
1618                 //
1619                 //if (cur.result().update() != Update::FitCursor)
1620                 //      cur.noUpdate();
1621                 //
1622                 // But some LFUNs do not set Update::FitCursor when needed, so we
1623                 // do it for all. This is not very harmfull as FitCursor will provoke
1624                 // a full redraw only if needed but still, a proper review of all LFUN
1625                 // should be done and this needsUpdate boolean can then be removed.
1626                 cur.updateFlags(Update::FitCursor);
1627         else
1628                 cur.updateFlags(Update::Force | Update::FitCursor);
1629 }
1630
1631
1632 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1633                         FuncStatus & flag) const
1634 {
1635         BOOST_ASSERT(cur.text() == this);
1636
1637         Font const & font = real_current_font;
1638         bool enable = true;
1639         Inset::Code code = Inset::NO_CODE;
1640
1641         switch (cmd.action) {
1642
1643         case LFUN_DEPTH_DECREMENT:
1644                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1645                 break;
1646
1647         case LFUN_DEPTH_INCREMENT:
1648                 enable = changeDepthAllowed(cur, INC_DEPTH);
1649                 break;
1650
1651         case LFUN_APPENDIX:
1652                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1653                 return true;
1654
1655         case LFUN_BIBITEM_INSERT:
1656                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1657                 break;
1658
1659         case LFUN_DIALOG_SHOW_NEW_INSET:
1660                 if (cmd.argument() == "bibitem")
1661                         code = Inset::BIBITEM_CODE;
1662                 else if (cmd.argument() == "bibtex")
1663                         code = Inset::BIBTEX_CODE;
1664                 else if (cmd.argument() == "box")
1665                         code = Inset::BOX_CODE;
1666                 else if (cmd.argument() == "branch")
1667                         code = Inset::BRANCH_CODE;
1668                 else if (cmd.argument() == "citation")
1669                         code = Inset::CITE_CODE;
1670                 else if (cmd.argument() == "ert")
1671                         code = Inset::ERT_CODE;
1672                 else if (cmd.argument() == "external")
1673                         code = Inset::EXTERNAL_CODE;
1674                 else if (cmd.argument() == "float")
1675                         code = Inset::FLOAT_CODE;
1676                 else if (cmd.argument() == "graphics")
1677                         code = Inset::GRAPHICS_CODE;
1678                 else if (cmd.argument() == "include")
1679                         code = Inset::INCLUDE_CODE;
1680                 else if (cmd.argument() == "index")
1681                         code = Inset::INDEX_CODE;
1682                 else if (cmd.argument() == "nomenclature")
1683                         code = Inset::NOMENCL_CODE;
1684                 else if (cmd.argument() == "label")
1685                         code = Inset::LABEL_CODE;
1686                 else if (cmd.argument() == "note")
1687                         code = Inset::NOTE_CODE;
1688                 else if (cmd.argument() == "ref")
1689                         code = Inset::REF_CODE;
1690                 else if (cmd.argument() == "toc")
1691                         code = Inset::TOC_CODE;
1692                 else if (cmd.argument() == "url")
1693                         code = Inset::URL_CODE;
1694                 else if (cmd.argument() == "vspace")
1695                         code = Inset::VSPACE_CODE;
1696                 else if (cmd.argument() == "wrap")
1697                         code = Inset::WRAP_CODE;
1698                 break;
1699
1700         case LFUN_ERT_INSERT:
1701                 code = Inset::ERT_CODE;
1702                 break;
1703         case LFUN_FOOTNOTE_INSERT:
1704                 code = Inset::FOOT_CODE;
1705                 break;
1706         case LFUN_TABULAR_INSERT:
1707                 code = Inset::TABULAR_CODE;
1708                 break;
1709         case LFUN_MARGINALNOTE_INSERT:
1710                 code = Inset::MARGIN_CODE;
1711                 break;
1712         case LFUN_FLOAT_INSERT:
1713         case LFUN_FLOAT_WIDE_INSERT:
1714                 code = Inset::FLOAT_CODE;
1715                 break;
1716         case LFUN_WRAP_INSERT:
1717                 code = Inset::WRAP_CODE;
1718                 break;
1719         case LFUN_FLOAT_LIST:
1720                 code = Inset::FLOAT_LIST_CODE;
1721                 break;
1722 #if 0
1723         case LFUN_LIST_INSERT:
1724                 code = Inset::LIST_CODE;
1725                 break;
1726         case LFUN_THEOREM_INSERT:
1727                 code = Inset::THEOREM_CODE;
1728                 break;
1729 #endif
1730         case LFUN_CAPTION_INSERT:
1731                 code = Inset::CAPTION_CODE;
1732                 break;
1733         case LFUN_NOTE_INSERT:
1734                 code = Inset::NOTE_CODE;
1735                 break;
1736         case LFUN_CHARSTYLE_INSERT:
1737                 code = Inset::CHARSTYLE_CODE;
1738                 if (cur.buffer().params().getTextClass().charstyles().empty())
1739                         enable = false;
1740                 break;
1741         case LFUN_BOX_INSERT:
1742                 code = Inset::BOX_CODE;
1743                 break;
1744         case LFUN_BRANCH_INSERT:
1745                 code = Inset::BRANCH_CODE;
1746                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1747                         enable = false;
1748                 break;
1749         case LFUN_LABEL_INSERT:
1750                 code = Inset::LABEL_CODE;
1751                 break;
1752         case LFUN_OPTIONAL_INSERT:
1753                 code = Inset::OPTARG_CODE;
1754                 enable = numberOfOptArgs(cur.paragraph())
1755                         < cur.paragraph().layout()->optionalargs;
1756                 break;
1757         case LFUN_ENVIRONMENT_INSERT:
1758                 code = Inset::BOX_CODE;
1759                 break;
1760         case LFUN_INDEX_INSERT:
1761                 code = Inset::INDEX_CODE;
1762                 break;
1763         case LFUN_INDEX_PRINT:
1764                 code = Inset::INDEX_PRINT_CODE;
1765                 break;
1766         case LFUN_NOMENCL_INSERT:
1767                 code = Inset::NOMENCL_CODE;
1768                 break;
1769         case LFUN_NOMENCL_PRINT:
1770                 code = Inset::NOMENCL_PRINT_CODE;
1771                 break;
1772         case LFUN_TOC_INSERT:
1773                 code = Inset::TOC_CODE;
1774                 break;
1775         case LFUN_HTML_INSERT:
1776         case LFUN_URL_INSERT:
1777                 code = Inset::URL_CODE;
1778                 break;
1779         case LFUN_QUOTE_INSERT:
1780                 // always allow this, since we will inset a raw quote
1781                 // if an inset is not allowed.
1782                 break;
1783         case LFUN_HYPHENATION_POINT_INSERT:
1784         case LFUN_LIGATURE_BREAK_INSERT:
1785         case LFUN_HFILL_INSERT:
1786         case LFUN_MENU_SEPARATOR_INSERT:
1787         case LFUN_DOTS_INSERT:
1788         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1789                 code = Inset::SPECIALCHAR_CODE;
1790                 break;
1791         case LFUN_SPACE_INSERT:
1792                 // slight hack: we know this is allowed in math mode
1793                 if (cur.inTexted())
1794                         code = Inset::SPACE_CODE;
1795                 break;
1796
1797         case LFUN_INSET_MODIFY:
1798                 // We need to disable this, because we may get called for a
1799                 // tabular cell via
1800                 // InsetTabular::getStatus() -> InsetText::getStatus()
1801                 // and we don't handle LFUN_INSET_MODIFY.
1802                 enable = false;
1803                 break;
1804
1805         case LFUN_FONT_EMPH:
1806                 flag.setOnOff(font.emph() == Font::ON);
1807                 return true;
1808
1809         case LFUN_FONT_NOUN:
1810                 flag.setOnOff(font.noun() == Font::ON);
1811                 return true;
1812
1813         case LFUN_FONT_BOLD:
1814                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1815                 return true;
1816
1817         case LFUN_FONT_SANS:
1818                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1819                 return true;
1820
1821         case LFUN_FONT_ROMAN:
1822                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1823                 return true;
1824
1825         case LFUN_FONT_CODE:
1826                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1827                 return true;
1828
1829         case LFUN_CUT:
1830         case LFUN_COPY:
1831                 enable = cur.selection();
1832                 break;
1833
1834         case LFUN_PASTE:
1835                 if (cmd.argument().empty()) {
1836                         if (theClipboard().isInternal())
1837                                 enable = cap::numberOfSelections() > 0;
1838                         else
1839                                 enable = !theClipboard().empty();
1840                 } else {
1841                         string const arg = to_utf8(cmd.argument());
1842                         if (isStrUnsignedInt(arg)) {
1843                                 unsigned int n = convert<unsigned int>(arg);
1844                                 enable = cap::numberOfSelections() > n;
1845                         } else
1846                                 // unknown argument
1847                                 enable = false;
1848                 }
1849                 break;
1850
1851         case LFUN_CLIPBOARD_PASTE:
1852                 enable = !theClipboard().empty();
1853                 break;
1854
1855         case LFUN_PRIMARY_SELECTION_PASTE:
1856                 enable = cur.selection() || !theSelection().empty();
1857                 break;
1858
1859         case LFUN_PARAGRAPH_MOVE_UP:
1860                 enable = cur.pit() > 0 && !cur.selection();
1861                 break;
1862
1863         case LFUN_PARAGRAPH_MOVE_DOWN:
1864                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1865                 break;
1866
1867         case LFUN_INSET_DISSOLVE:
1868                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1869                 break;
1870
1871         case LFUN_CHANGE_ACCEPT:
1872         case LFUN_CHANGE_REJECT:
1873                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1874                 // In principle, these LFUNs should only be enabled if there
1875                 // is a change at the current position/in the current selection.
1876                 // However, without proper optimizations, this will inevitably
1877                 // result in unacceptable performance - just imagine a user who
1878                 // wants to select the complete content of a long document.
1879                 enable = true;
1880                 break;
1881
1882         case LFUN_WORD_DELETE_FORWARD:
1883         case LFUN_WORD_DELETE_BACKWARD:
1884         case LFUN_LINE_DELETE:
1885         case LFUN_WORD_FORWARD:
1886         case LFUN_WORD_BACKWARD:
1887         case LFUN_CHAR_FORWARD:
1888         case LFUN_CHAR_FORWARD_SELECT:
1889         case LFUN_CHAR_BACKWARD:
1890         case LFUN_CHAR_BACKWARD_SELECT:
1891         case LFUN_UP:
1892         case LFUN_UP_SELECT:
1893         case LFUN_DOWN:
1894         case LFUN_DOWN_SELECT:
1895         case LFUN_PARAGRAPH_UP_SELECT:
1896         case LFUN_PARAGRAPH_DOWN_SELECT:
1897         case LFUN_SCREEN_UP_SELECT:
1898         case LFUN_SCREEN_DOWN_SELECT:
1899         case LFUN_LINE_BEGIN_SELECT:
1900         case LFUN_LINE_END_SELECT:
1901         case LFUN_WORD_FORWARD_SELECT:
1902         case LFUN_WORD_BACKWARD_SELECT:
1903         case LFUN_WORD_SELECT:
1904         case LFUN_PARAGRAPH_UP:
1905         case LFUN_PARAGRAPH_DOWN:
1906         case LFUN_SCREEN_UP:
1907         case LFUN_SCREEN_DOWN:
1908         case LFUN_LINE_BEGIN:
1909         case LFUN_LINE_END:
1910         case LFUN_BREAK_LINE:
1911         case LFUN_CHAR_DELETE_FORWARD:
1912         case LFUN_DELETE_FORWARD_SKIP:
1913         case LFUN_CHAR_DELETE_BACKWARD:
1914         case LFUN_DELETE_BACKWARD_SKIP:
1915         case LFUN_BREAK_PARAGRAPH:
1916         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1917         case LFUN_BREAK_PARAGRAPH_SKIP:
1918         case LFUN_PARAGRAPH_SPACING:
1919         case LFUN_INSET_INSERT:
1920         case LFUN_WORD_UPCASE:
1921         case LFUN_WORD_LOWCASE:
1922         case LFUN_WORD_CAPITALIZE:
1923         case LFUN_CHARS_TRANSPOSE:
1924         case LFUN_SERVER_GET_XY:
1925         case LFUN_SERVER_SET_XY:
1926         case LFUN_SERVER_GET_FONT:
1927         case LFUN_SERVER_GET_LAYOUT:
1928         case LFUN_LAYOUT:
1929         case LFUN_DATE_INSERT:
1930         case LFUN_SELF_INSERT:
1931         case LFUN_LINE_INSERT:
1932         case LFUN_PAGEBREAK_INSERT:
1933         case LFUN_CLEARPAGE_INSERT:
1934         case LFUN_CLEARDOUBLEPAGE_INSERT:
1935         case LFUN_MATH_DISPLAY:
1936         case LFUN_MATH_IMPORT_SELECTION:
1937         case LFUN_MATH_MODE:
1938         case LFUN_MATH_MACRO:
1939         case LFUN_MATH_MATRIX:
1940         case LFUN_MATH_DELIM:
1941         case LFUN_MATH_BIGDELIM:
1942         case LFUN_MATH_SUBSCRIPT:
1943         case LFUN_MATH_SUPERSCRIPT:
1944         case LFUN_FONT_DEFAULT:
1945         case LFUN_FONT_UNDERLINE:
1946         case LFUN_FONT_SIZE:
1947         case LFUN_LANGUAGE:
1948         case LFUN_FONT_FREE_APPLY:
1949         case LFUN_FONT_FREE_UPDATE:
1950         case LFUN_LAYOUT_PARAGRAPH:
1951         case LFUN_PARAGRAPH_UPDATE:
1952         case LFUN_ACCENT_UMLAUT:
1953         case LFUN_ACCENT_CIRCUMFLEX:
1954         case LFUN_ACCENT_GRAVE:
1955         case LFUN_ACCENT_ACUTE:
1956         case LFUN_ACCENT_TILDE:
1957         case LFUN_ACCENT_CEDILLA:
1958         case LFUN_ACCENT_MACRON:
1959         case LFUN_ACCENT_DOT:
1960         case LFUN_ACCENT_UNDERDOT:
1961         case LFUN_ACCENT_UNDERBAR:
1962         case LFUN_ACCENT_CARON:
1963         case LFUN_ACCENT_SPECIAL_CARON:
1964         case LFUN_ACCENT_BREVE:
1965         case LFUN_ACCENT_TIE:
1966         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1967         case LFUN_ACCENT_CIRCLE:
1968         case LFUN_ACCENT_OGONEK:
1969         case LFUN_THESAURUS_ENTRY:
1970         case LFUN_PARAGRAPH_PARAMS_APPLY:
1971         case LFUN_ESCAPE:
1972         case LFUN_BUFFER_END:
1973         case LFUN_BUFFER_BEGIN:
1974         case LFUN_BUFFER_BEGIN_SELECT:
1975         case LFUN_BUFFER_END_SELECT:
1976         case LFUN_UNICODE_INSERT:
1977                 // these are handled in our dispatch()
1978                 enable = true;
1979                 break;
1980
1981         default:
1982                 return false;
1983         }
1984
1985         if (code != Inset::NO_CODE
1986             && (cur.empty() || !cur.inset().insetAllowed(code)))
1987                 enable = false;
1988
1989         flag.enabled(enable);
1990         return true;
1991 }
1992
1993
1994 void Text::pasteString(Cursor & cur, docstring const & clip,
1995                 bool asParagraphs)
1996 {
1997         cur.clearSelection();
1998         if (!clip.empty()) {
1999                 recordUndo(cur);
2000                 if (asParagraphs)
2001                         insertStringAsParagraphs(cur, clip);
2002                 else
2003                         insertStringAsLines(cur, clip);
2004         }
2005 }
2006
2007 } // namespace lyx