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         void toggleAndShow(Cursor & cur, Text * text,
 103                 Font const & font, bool toggleall = true)
 104         {
 105                 text->toggleFree(cur, font, toggleall);
 106
 107                 if (font.language() != ignore_language ||
 108                                 font.number() != Font::IGNORE) {
 109                         Paragraph & par = cur.paragraph();
 110                         if (cur.boundary() != text->isRTLBoundary(cur.buffer(), par,
 111                                                 cur.pos(), text->real_current_font))
 112                                 text->setCursor(cur, cur.pit(), cur.pos(),
 113                                                 false, !cur.boundary());
 114                 }
 115         }
 116
 117
 118         void moveCursor(Cursor & cur, bool selecting)
 119         {
 120                 if (selecting || cur.mark())
 121                         cur.setSelection();
 122                 saveSelection(cur);
 123         }
 124
 125
 126         void finishChange(Cursor & cur, bool selecting)
 127         {
 128                 finishUndo();
 129                 moveCursor(cur, selecting);
 130         }
 131
 132
 133         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 134         {
 135                 recordUndo(cur);
 136                 docstring sel = cur.selectionAsString(false);
 137
 138                 // It may happen that sel is empty but there is a selection
 139                 replaceSelection(cur);
 140
 141                 if (sel.empty()) {
 142 #ifdef ENABLE_ASSERTIONS
 143                         const int old_pos = cur.pos();
 144 #endif
 145                         cur.insert(new InsetMathHull(hullSimple));
 146                         BOOST_ASSERT(old_pos == cur.pos());
 147                         cur.nextInset()->edit(cur, true);
 148                         // don't do that also for LFUN_MATH_MODE
 149                         // unless you want end up with always changing
 150                         // to mathrm when opening an inlined inset --
 151                         // I really hate "LyXfunc overloading"...
 152                         if (display)
 153                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 154                         // Avoid an unnecessary undo step if cmd.argument
 155                         // is empty
 156                         if (!cmd.argument().empty())
 157                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 158                                                          cmd.argument()));
 159                 } else {
 160                         // create a macro if we see "\\newcommand"
 161                         // somewhere, and an ordinary formula
 162                         // otherwise
 163                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 164                             && sel.find(from_ascii("\\def")) == string::npos)
 165                         {
 166                                 InsetMathHull * formula = new InsetMathHull;
 167                                 istringstream is(to_utf8(sel));
 168                                 Lexer lex(0, 0);
 169                                 lex.setStream(is);
 170                                 formula->read(cur.buffer(), lex);
 171                                 if (formula->getType() == hullNone)
 172                                         // Don't create pseudo formulas if
 173                                         // delimiters are left out
 174                                         formula->mutate(hullSimple);
 175                                 cur.insert(formula);
 176                         } else {
 177                                 cur.insert(new MathMacroTemplate(sel));
 178                         }
 179                 }
 180                 cur.message(from_utf8(N_("Math editor mode")));
 181         }
 182
 183 } // namespace anon
 184
 185
 186
 187 namespace bv_funcs {
 188
 189 string const freefont2string()
 190 {
 191         string data;
 192         if (font2string(freefont, toggleall, data))
 193                 return data;
 194         return string();
 195 }
 196
 197 }
 198
 199 void Text::cursorPrevious(Cursor & cur)
 200 {
 201         pos_type cpos = cur.pos();
 202         pit_type cpar = cur.pit();
 203
 204         int x = cur.x_target();
 205         setCursorFromCoordinates(cur, x, 0);
 206         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 207
 208         if (cpar == cur.pit() && cpos == cur.pos())
 209                 // we have a row which is taller than the workarea. The
 210                 // simplest solution is to move to the previous row instead.
 211                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 212
 213         finishUndo();
 214         cur.updateFlags(Update::Force | Update::FitCursor);
 215 }
 216
 217
 218 void Text::cursorNext(Cursor & cur)
 219 {
 220         pos_type cpos = cur.pos();
 221         pit_type cpar = cur.pit();
 222
 223         int x = cur.x_target();
 224         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 225         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 226
 227         if (cpar == cur.pit() && cpos == cur.pos())
 228                 // we have a row which is taller than the workarea. The
 229                 // simplest solution is to move to the next row instead.
 230                 cur.dispatch(
 231                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 232
 233         finishUndo();
 234         cur.updateFlags(Update::Force | Update::FitCursor);
 235 }
 236
 237
 238 namespace {
 239
 240 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 241 {
 242         recordUndo(cur);
 243         cap::replaceSelection(cur);
 244         cur.insert(new InsetSpecialChar(kind));
 245         cur.posRight();
 246 }
 247
 248
 249 bool doInsertInset(Cursor & cur, Text * text,
 250         FuncRequest const & cmd, bool edit, bool pastesel)
 251 {
 252         Inset * inset = createInset(&cur.bv(), cmd);
 253         if (!inset)
 254                 return false;
 255
 256         recordUndo(cur);
 257         bool gotsel = false;
 258         if (cur.selection()) {
 259                 lyx::dispatch(FuncRequest(LFUN_CUT));
 260                 gotsel = true;
 261         }
 262         text->insertInset(cur, inset);
 263
 264         if (edit)
 265                 inset->edit(cur, true);
 266
 267         if (gotsel && pastesel) {
 268                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 269                 // reset first par to default
 270                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 271                         Layout_ptr const layout =
 272                                 cur.buffer().params().getTextClass().defaultLayout();
 273                         cur.text()->paragraphs().begin()->layout(layout);
 274                 }
 275         }
 276         return true;
 277 }
 278
 279
 280 } // anon namespace
 281
 282
 283 void Text::number(Cursor & cur)
 284 {
 285         Font font(Font::ALL_IGNORE);
 286         font.setNumber(Font::TOGGLE);
 287         toggleAndShow(cur, this, font);
 288 }
 289
 290
 291 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 292 {
 293         return par.isRightToLeftPar(buffer.params());
 294 }
 295
 296
 297 bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const
 298 {
 299         if (!lyxrc.rtl_support && !sl.text())
 300                 return false;
 301
 302         int correction = 0;
 303         if (boundary && sl.pos() > 0)
 304                 correction = -1;
 305
 306         Paragraph const & par = getPar(sl.pit());
 307         return getFont(buffer, par, sl.pos() + correction).isVisibleRightToLeft();
 308 }
 309
 310
 311 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 312                          pos_type pos) const
 313 {
 314         if (!lyxrc.rtl_support)
 315                 return false;
 316
 317         // no RTL boundary at line start
 318         if (pos == 0)
 319                 return false;
 320
 321         bool left = getFont(buffer, par, pos - 1).isVisibleRightToLeft();
 322         bool right;
 323         if (pos == par.size())
 324                 right = par.isRightToLeftPar(buffer.params());
 325         else
 326                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 327         return left != right;
 328 }
 329
 330
 331 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 332                          pos_type pos, Font const & font) const
 333 {
 334         if (!lyxrc.rtl_support)
 335                 return false;
 336
 337         bool left = font.isVisibleRightToLeft();
 338         bool right;
 339         if (pos == par.size())
 340                 right = par.isRightToLeftPar(buffer.params());
 341         else
 342                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 343         return left != right;
 344 }
 345
 346
 347 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 348 {
 349         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 350
 351         // FIXME: We use the update flag to indicates wether a singlePar or a
 352         // full screen update is needed. We reset it here but shall we restore it
 353         // at the end?
 354         cur.noUpdate();
 355
 356         BOOST_ASSERT(cur.text() == this);
 357         BufferView * bv = &cur.bv();
 358         CursorSlice oldTopSlice = cur.top();
 359         bool oldBoundary = cur.boundary();
 360         bool sel = cur.selection();
 361         // Signals that, even if needsUpdate == false, an update of the
 362         // cursor paragraph is required
 363         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 364                 LyXAction::SingleParUpdate);
 365         // Signals that a full-screen update is required
 366         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 367                 LyXAction::NoUpdate) || singleParUpdate);
 368         // Remember the old paragraph metric (_outer_ paragraph!)
 369         ParagraphMetrics const & pm = cur.bv().parMetrics(
 370                 cur.bottom().text(), cur.bottom().pit());
 371         Dimension olddim = pm.dim();
 372
 373         switch (cmd.action) {
 374
 375         case LFUN_PARAGRAPH_MOVE_DOWN: {
 376                 pit_type const pit = cur.pit();
 377                 recUndo(cur, pit, pit + 1);
 378                 finishUndo();
 379                 std::swap(pars_[pit], pars_[pit + 1]);
 380
 381                 ParIterator begin(cur);
 382                 // begin.pos() (== cur.pos()) may point beyond the end of the
 383                 // paragraph referenced by begin. This would cause a crash
 384                 // in updateLabels()
 385                 begin.pos() = 0;
 386                 ++cur.pit();
 387                 ParIterator end = boost::next(ParIterator(cur));
 388                 updateLabels(cur.buffer(), begin, end);
 389
 390                 needsUpdate = true;
 391                 break;
 392         }
 393
 394         case LFUN_PARAGRAPH_MOVE_UP: {
 395                 pit_type const pit = cur.pit();
 396                 recUndo(cur, pit - 1, pit);
 397                 finishUndo();
 398                 std::swap(pars_[pit], pars_[pit - 1]);
 399
 400                 ParIterator end = ParIterator(cur);
 401                 // end.pos() (== cur.pos()) may point beyond the end of the
 402                 // paragraph referenced by end. This would cause a crash
 403                 // in boost::next()
 404                 end.pos() = 0;
 405                 end = boost::next(end);
 406                 --cur.pit();
 407                 ParIterator begin(cur);
 408                 updateLabels(cur.buffer(), begin, end);
 409
 410                 needsUpdate = true;
 411                 break;
 412         }
 413
 414         case LFUN_APPENDIX: {
 415                 Paragraph & par = cur.paragraph();
 416                 bool start = !par.params().startOfAppendix();
 417
 418 #ifdef WITH_WARNINGS
 419 #warning The code below only makes sense at top level.
 420 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 421 #endif
 422                 // ensure that we have only one start_of_appendix in this document
 423                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 424                         if (pars_[tmp].params().startOfAppendix()) {
 425                                 recUndo(cur, tmp);
 426                                 pars_[tmp].params().startOfAppendix(false);
 427                                 break;
 428                         }
 429                 }
 430
 431                 recordUndo(cur);
 432                 par.params().startOfAppendix(start);
 433
 434                 // we can set the refreshing parameters now
 435                 updateLabels(cur.buffer());
 436                 break;
 437         }
 438
 439         case LFUN_WORD_DELETE_FORWARD:
 440                 cur.clearSelection();
 441                 deleteWordForward(cur);
 442                 finishChange(cur, false);
 443                 break;
 444
 445         case LFUN_WORD_DELETE_BACKWARD:
 446                 cur.clearSelection();
 447                 deleteWordBackward(cur);
 448                 finishChange(cur, false);
 449                 break;
 450
 451         case LFUN_LINE_DELETE:
 452                 cur.clearSelection();
 453                 deleteLineForward(cur);
 454                 finishChange(cur, false);
 455                 break;
 456
 457         case LFUN_BUFFER_BEGIN:
 458         case LFUN_BUFFER_BEGIN_SELECT:
 459                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 460                 if (cur.depth() == 1) {
 461                         needsUpdate |= cursorTop(cur);
 462                 } else {
 463                         cur.undispatched();
 464                 }
 465                 break;
 466
 467         case LFUN_BUFFER_END:
 468         case LFUN_BUFFER_END_SELECT:
 469                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 470                 if (cur.depth() == 1) {
 471                         needsUpdate |= cursorBottom(cur);
 472                 } else {
 473                         cur.undispatched();
 474                 }
 475                 break;
 476
 477         case LFUN_CHAR_FORWARD:
 478         case LFUN_CHAR_FORWARD_SELECT:
 479                 //lyxerr << BOOST_CURRENT_FUNCTION
 480                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 481                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 482                 if (reverseDirectionNeeded(cur))
 483                         needsUpdate |= cursorLeft(cur);
 484                 else
 485                         needsUpdate |= cursorRight(cur);
 486
 487                 if (!needsUpdate && oldTopSlice == cur.top()
 488                                 && cur.boundary() == oldBoundary) {
 489                         cur.undispatched();
 490                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 491                 } else if (cur.selection())
 492                         saveSelection(cur);
 493                 break;
 494
 495         case LFUN_CHAR_BACKWARD:
 496         case LFUN_CHAR_BACKWARD_SELECT:
 497                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 498                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 499                 if (reverseDirectionNeeded(cur))
 500                         needsUpdate |= cursorRight(cur);
 501                 else
 502                         needsUpdate |= cursorLeft(cur);
 503
 504                 if (!needsUpdate && oldTopSlice == cur.top()
 505                         && cur.boundary() == oldBoundary) {
 506                         cur.undispatched();
 507                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 508                 }
 509                 if (cur.selection())
 510                         saveSelection(cur);
 511                 break;
 512
 513         case LFUN_UP_SELECT:
 514         case LFUN_DOWN_SELECT:
 515         case LFUN_UP:
 516         case LFUN_DOWN: {
 517                 // stop/start the selection
 518                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 519                         cmd.action == LFUN_UP_SELECT;
 520                 cur.selHandle(select);
 521
 522                 // move cursor up/down
 523                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 524                 bool const successful = cur.upDownInText(up, needsUpdate);
 525                 if (successful) {
 526                         // notify insets which were left and get their update flags
 527                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 528                         cur.fixIfBroken();
 529
 530                         // redraw if you leave mathed (for the decorations)
 531                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 532                 } else
 533                         cur.undispatched();
 534
 535                 // save new selection
 536                 if (cur.selection())
 537                         saveSelection(cur);
 538                 break;
 539         }
 540
 541         case LFUN_PARAGRAPH_UP:
 542         case LFUN_PARAGRAPH_UP_SELECT:
 543                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 544                 needsUpdate |= cursorUpParagraph(cur);
 545                 if (cur.selection())
 546                         saveSelection(cur);
 547                 break;
 548
 549         case LFUN_PARAGRAPH_DOWN:
 550         case LFUN_PARAGRAPH_DOWN_SELECT:
 551                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 552                 needsUpdate |= cursorDownParagraph(cur);
 553                 if (cur.selection())
 554                         saveSelection(cur);
 555                 break;
 556
 557         case LFUN_SCREEN_UP:
 558         case LFUN_SCREEN_UP_SELECT:
 559                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 560                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 561                         cur.undispatched();
 562                 else {
 563                         cursorPrevious(cur);
 564                 }
 565                 if (cur.selection())
 566                         saveSelection(cur);
 567                 break;
 568
 569         case LFUN_SCREEN_DOWN:
 570         case LFUN_SCREEN_DOWN_SELECT:
 571                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 572                 if (cur.pit() == cur.lastpit()
 573                           && cur.textRow().endpos() == cur.lastpos())
 574                         cur.undispatched();
 575                 else {
 576                         cursorNext(cur);
 577                 }
 578                 if (cur.selection())
 579                         saveSelection(cur);
 580                 break;
 581
 582         case LFUN_LINE_BEGIN:
 583         case LFUN_LINE_BEGIN_SELECT:
 584                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 585                 needsUpdate |= cursorHome(cur);
 586                 break;
 587
 588         case LFUN_LINE_END:
 589         case LFUN_LINE_END_SELECT:
 590                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 591                 needsUpdate |= cursorEnd(cur);
 592                 if (cur.selection())
 593                         saveSelection(cur);
 594                 break;
 595
 596         case LFUN_WORD_FORWARD:
 597         case LFUN_WORD_FORWARD_SELECT:
 598                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 599                 if (reverseDirectionNeeded(cur))
 600                         needsUpdate |= cursorLeftOneWord(cur);
 601                 else
 602                         needsUpdate |= cursorRightOneWord(cur);
 603                 if (cur.selection())
 604                         saveSelection(cur);
 605                 break;
 606
 607         case LFUN_WORD_BACKWARD:
 608         case LFUN_WORD_BACKWARD_SELECT:
 609                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 610                 if (reverseDirectionNeeded(cur))
 611                         needsUpdate |= cursorRightOneWord(cur);
 612                 else
 613                         needsUpdate |= cursorLeftOneWord(cur);
 614                 if (cur.selection())
 615                         saveSelection(cur);
 616                 break;
 617
 618         case LFUN_WORD_SELECT: {
 619                 selectWord(cur, WHOLE_WORD);
 620                 finishChange(cur, true);
 621                 break;
 622         }
 623
 624         case LFUN_BREAK_LINE: {
 625                 // Not allowed by LaTeX (labels or empty par)
 626                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 627                         // this avoids a double undo
 628                         // FIXME: should not be needed, ideally
 629                         if (!cur.selection())
 630                                 recordUndo(cur);
 631                         cap::replaceSelection(cur);
 632                         cur.insert(new InsetNewline);
 633                         cur.posRight();
 634                         moveCursor(cur, false);
 635                 }
 636                 break;
 637         }
 638
 639         case LFUN_CHAR_DELETE_FORWARD:
 640                 if (!cur.selection()) {
 641                         if (cur.pos() == cur.paragraph().size())
 642                                 // Par boundary, force full-screen update
 643                                 singleParUpdate = false;
 644                         needsUpdate |= erase(cur);
 645                         cur.resetAnchor();
 646                         // It is possible to make it a lot faster still
 647                         // just comment out the line below...
 648                 } else {
 649                         cutSelection(cur, true, false);
 650                         singleParUpdate = false;
 651                 }
 652                 moveCursor(cur, false);
 653                 break;
 654
 655         case LFUN_DELETE_FORWARD_SKIP:
 656                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 657                 if (!cur.selection()) {
 658                         if (cur.pos() == cur.lastpos()) {
 659                                 cursorRight(cur);
 660                                 cursorLeft(cur);
 661                         }
 662                         erase(cur);
 663                         cur.resetAnchor();
 664                 } else {
 665                         cutSelection(cur, true, false);
 666                 }
 667                 break;
 668
 669
 670         case LFUN_CHAR_DELETE_BACKWARD:
 671                 if (!cur.selection()) {
 672                         if (bv->getIntl().getTransManager().backspace()) {
 673                                 // Par boundary, full-screen update
 674                                 if (cur.pos() == 0)
 675                                         singleParUpdate = false;
 676                                 needsUpdate |= backspace(cur);
 677                                 cur.resetAnchor();
 678                                 // It is possible to make it a lot faster still
 679                                 // just comment out the line below...
 680                         }
 681                 } else {
 682                         cutSelection(cur, true, false);
 683                         singleParUpdate = false;
 684                 }
 685                 break;
 686
 687         case LFUN_DELETE_BACKWARD_SKIP:
 688                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 689                 if (!cur.selection()) {
 690 #ifdef WITH_WARNINGS
 691 #warning look here
 692 #endif
 693                         //CursorSlice cur = cursor();
 694                         backspace(cur);
 695                         //anchor() = cur;
 696                 } else {
 697                         cutSelection(cur, true, false);
 698                 }
 699                 break;
 700
 701         case LFUN_BREAK_PARAGRAPH:
 702                 cap::replaceSelection(cur);
 703                 breakParagraph(cur, 0);
 704                 cur.resetAnchor();
 705                 break;
 706
 707         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 708                 cap::replaceSelection(cur);
 709                 breakParagraph(cur, 1);
 710                 cur.resetAnchor();
 711                 break;
 712
 713         case LFUN_BREAK_PARAGRAPH_SKIP: {
 714                 // When at the beginning of a paragraph, remove
 715                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 716                 cap::replaceSelection(cur);
 717                 if (cur.pos() == 0)
 718                         cur.paragraph().params().labelWidthString(docstring());
 719                 else
 720                         breakParagraph(cur, 0);
 721                 cur.resetAnchor();
 722                 break;
 723         }
 724
 725         case LFUN_PARAGRAPH_SPACING: {
 726                 Paragraph & par = cur.paragraph();
 727                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 728                 string cur_value = "1.0";
 729                 if (cur_spacing == Spacing::Other)
 730                         cur_value = par.params().spacing().getValueAsString();
 731
 732                 istringstream is(to_utf8(cmd.argument()));
 733                 string tmp;
 734                 is >> tmp;
 735                 Spacing::Space new_spacing = cur_spacing;
 736                 string new_value = cur_value;
 737                 if (tmp.empty()) {
 738                         lyxerr << "Missing argument to `paragraph-spacing'"
 739                                << endl;
 740                 } else if (tmp == "single") {
 741                         new_spacing = Spacing::Single;
 742                 } else if (tmp == "onehalf") {
 743                         new_spacing = Spacing::Onehalf;
 744                 } else if (tmp == "double") {
 745                         new_spacing = Spacing::Double;
 746                 } else if (tmp == "other") {
 747                         new_spacing = Spacing::Other;
 748                         string tmpval = "0.0";
 749                         is >> tmpval;
 750                         lyxerr << "new_value = " << tmpval << endl;
 751                         if (tmpval != "0.0")
 752                                 new_value = tmpval;
 753                 } else if (tmp == "default") {
 754                         new_spacing = Spacing::Default;
 755                 } else {
 756                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 757                                << to_utf8(cmd.argument()) << endl;
 758                 }
 759                 if (cur_spacing != new_spacing || cur_value != new_value)
 760                         par.params().spacing(Spacing(new_spacing, new_value));
 761                 break;
 762         }
 763
 764         case LFUN_INSET_INSERT: {
 765                 recordUndo(cur);
 766                 Inset * inset = createInset(bv, cmd);
 767                 if (inset) {
 768                         // FIXME (Abdel 01/02/2006):
 769                         // What follows would be a partial fix for bug 2154:
 770                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 771                         // This automatically put the label inset _after_ a
 772                         // numbered section. It should be possible to extend the mechanism
 773                         // to any kind of LateX environement.
 774                         // The correct way to fix that bug would be at LateX generation.
 775                         // I'll let the code here for reference as it could be used for some
 776                         // other feature like "automatic labelling".
 777                         /*
 778                         Paragraph & par = pars_[cur.pit()];
 779                         if (inset->lyxCode() == Inset::LABEL_CODE
 780                                 && par.layout()->labeltype == LABEL_COUNTER) {
 781                                 // Go to the end of the paragraph
 782                                 // Warning: Because of Change-Tracking, the last
 783                                 // position is 'size()' and not 'size()-1':
 784                                 cur.pos() = par.size();
 785                                 // Insert a new paragraph
 786                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 787                                 dispatch(cur, fr);
 788                         }
 789                         */
 790                         insertInset(cur, inset);
 791                         cur.posRight();
 792                 }
 793                 break;
 794         }
 795
 796         case LFUN_INSET_DISSOLVE:
 797                 needsUpdate |= dissolveInset(cur);
 798                 break;
 799
 800         case LFUN_INSET_SETTINGS:
 801                 cur.inset().showInsetDialog(bv);
 802                 break;
 803
 804         case LFUN_SPACE_INSERT:
 805                 if (cur.paragraph().layout()->free_spacing)
 806                         insertChar(cur, ' ');
 807                 else {
 808                         doInsertInset(cur, this, cmd, false, false);
 809                         cur.posRight();
 810                 }
 811                 moveCursor(cur, false);
 812                 break;
 813
 814         case LFUN_HYPHENATION_POINT_INSERT:
 815                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 816                 break;
 817
 818         case LFUN_LIGATURE_BREAK_INSERT:
 819                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 820                 break;
 821
 822         case LFUN_DOTS_INSERT:
 823                 specialChar(cur, InsetSpecialChar::LDOTS);
 824                 break;
 825
 826         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 827                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 828                 break;
 829
 830         case LFUN_MENU_SEPARATOR_INSERT:
 831                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 832                 break;
 833
 834         case LFUN_WORD_UPCASE:
 835                 changeCase(cur, Text::text_uppercase);
 836                 break;
 837
 838         case LFUN_WORD_LOWCASE:
 839                 changeCase(cur, Text::text_lowercase);
 840                 break;
 841
 842         case LFUN_WORD_CAPITALIZE:
 843                 changeCase(cur, Text::text_capitalization);
 844                 break;
 845
 846         case LFUN_CHARS_TRANSPOSE:
 847                 charsTranspose(cur);
 848                 break;
 849
 850         case LFUN_PASTE:
 851                 cur.message(_("Paste"));
 852                 cap::replaceSelection(cur);
 853                 if (cmd.argument().empty() && !theClipboard().isInternal())
 854                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 855                 else {
 856                         string const arg(to_utf8(cmd.argument()));
 857                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
 858                                         isStrUnsignedInt(arg) ?
 859                                                 convert<unsigned int>(arg) :
 860                                                 0);
 861                 }
 862                 bv->buffer()->errors("Paste");
 863                 cur.clearSelection(); // bug 393
 864                 finishUndo();
 865                 break;
 866
 867         case LFUN_CUT:
 868                 cutSelection(cur, true, true);
 869                 cur.message(_("Cut"));
 870                 break;
 871
 872         case LFUN_COPY:
 873                 copySelection(cur);
 874                 cur.message(_("Copy"));
 875                 break;
 876
 877         case LFUN_SERVER_GET_XY:
 878                 cur.message(from_utf8(
 879                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 880                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 881                 break;
 882
 883         case LFUN_SERVER_SET_XY: {
 884                 int x = 0;
 885                 int y = 0;
 886                 istringstream is(to_utf8(cmd.argument()));
 887                 is >> x >> y;
 888                 if (!is)
 889                         lyxerr << "SETXY: Could not parse coordinates in '"
 890                                << to_utf8(cmd.argument()) << std::endl;
 891                 else
 892                         setCursorFromCoordinates(cur, x, y);
 893                 break;
 894         }
 895
 896         case LFUN_SERVER_GET_FONT:
 897                 if (current_font.shape() == Font::ITALIC_SHAPE)
 898                         cur.message(from_ascii("E"));
 899                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 900                         cur.message(from_ascii("N"));
 901                 else
 902                         cur.message(from_ascii("0"));
 903                 break;
 904
 905         case LFUN_SERVER_GET_LAYOUT:
 906                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 907                 break;
 908
 909         case LFUN_LAYOUT: {
 910                 string layout = to_ascii(cmd.argument());
 911                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << layout << endl;
 912
 913                 // Derive layout number from given argument (string)
 914                 // and current buffer's textclass (number)
 915                 TextClass const & tclass = bv->buffer()->params().getTextClass();
 916                 if (layout.empty())
 917                         layout = tclass.defaultLayoutName();
 918                 bool hasLayout = tclass.hasLayout(layout);
 919
 920                 // If the entry is obsolete, use the new one instead.
 921                 if (hasLayout) {
 922                         string const & obs = tclass[layout]->obsoleted_by();
 923                         if (!obs.empty())
 924                                 layout = obs;
 925                 }
 926
 927                 if (!hasLayout) {
 928                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 929                                 from_utf8(N_(" not known")));
 930                         break;
 931                 }
 932
 933                 bool change_layout = (current_layout != layout);
 934
 935                 if (!change_layout && cur.selection() &&
 936                         cur.selBegin().pit() != cur.selEnd().pit())
 937                 {
 938                         pit_type spit = cur.selBegin().pit();
 939                         pit_type epit = cur.selEnd().pit() + 1;
 940                         while (spit != epit) {
 941                                 if (pars_[spit].layout()->name() != current_layout) {
 942                                         change_layout = true;
 943                                         break;
 944                                 }
 945                                 ++spit;
 946                         }
 947                 }
 948
 949                 if (change_layout) {
 950                         current_layout = layout;
 951                         setLayout(cur, layout);
 952                         // inform the GUI that the layout has changed.
 953                         bv->layoutChanged(layout);
 954                 }
 955                 break;
 956         }
 957
 958         case LFUN_CLIPBOARD_PASTE:
 959                 cur.clearSelection();
 960                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 961                                cmd.argument() == "paragraph");
 962                 bv->buffer()->errors("Paste");
 963                 break;
 964
 965         case LFUN_PRIMARY_SELECTION_PASTE:
 966                 pasteString(cur, theSelection().get(),
 967                             cmd.argument() == "paragraph");
 968                 break;
 969
 970         case LFUN_UNICODE_INSERT: {
 971                 if (cmd.argument().empty())
 972                         break;
 973                 docstring hexstring = cmd.argument();
 974                 if (lyx::support::isHex(hexstring)) {
 975                         char_type c = lyx::support::hexToInt(hexstring);
 976                         if (c > 32 && c < 0x10ffff) {
 977                                 lyxerr << "Inserting c: " << c << endl;
 978                                 docstring s = docstring(1, c);
 979                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 980                         }
 981                 }
 982                 break;
 983         }
 984
 985         case LFUN_QUOTE_INSERT: {
 986                 Paragraph & par = cur.paragraph();
 987                 pos_type pos = cur.pos();
 988                 BufferParams const & bufparams = bv->buffer()->params();
 989                 Layout_ptr const & style = par.layout();
 990                 if (!style->pass_thru
 991                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 992                         // this avoids a double undo
 993                         // FIXME: should not be needed, ideally
 994                         if (!cur.selection())
 995                                 recordUndo(cur);
 996                         cap::replaceSelection(cur);
 997                         pos = cur.pos();
 998                         char_type c;
 999                         if (pos == 0)
1000                                 c = ' ';
1001                         else if (cur.prevInset() && cur.prevInset()->isSpace())
1002                                 c = ' ';
1003                         else
1004                                 c = par.getChar(pos - 1);
1005                         string arg = to_utf8(cmd.argument());
1006                         if (arg == "single")
1007                                 cur.insert(new InsetQuotes(c,
1008                                     bufparams.quotes_language,
1009                                     InsetQuotes::SingleQ));
1010                         else
1011                                 cur.insert(new InsetQuotes(c,
1012                                     bufparams.quotes_language,
1013                                     InsetQuotes::DoubleQ));
1014                         cur.posRight();
1015                 }
1016                 else
1017                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
1018                 break;
1019         }
1020
1021         case LFUN_DATE_INSERT:
1022                 if (cmd.argument().empty())
1023                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
1024                                 formatted_time(current_time())));
1025                 else
1026                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
1027                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
1028                 break;
1029
1030         case LFUN_MOUSE_TRIPLE:
1031                 if (cmd.button() == mouse_button::button1) {
1032                         cursorHome(cur);
1033                         cur.resetAnchor();
1034                         cursorEnd(cur);
1035                         cur.setSelection();
1036                         bv->cursor() = cur;
1037                         saveSelection(cur);
1038                 }
1039                 break;
1040
1041         case LFUN_MOUSE_DOUBLE:
1042                 if (cmd.button() == mouse_button::button1) {
1043                         selectWord(cur, WHOLE_WORD_STRICT);
1044                         bv->cursor() = cur;
1045                 }
1046                 break;
1047
1048         // Single-click on work area
1049         case LFUN_MOUSE_PRESS: {
1050                 // Right click on a footnote flag opens float menu
1051                 if (cmd.button() == mouse_button::button3)
1052                         cur.clearSelection();
1053
1054                 // Middle button press pastes if we have a selection
1055                 // We do this here as if the selection was inside an inset
1056                 // it could get cleared on the unlocking of the inset so
1057                 // we have to check this first
1058                 bool paste_internally = false;
1059                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1060                         // Copy the selection buffer to the clipboard
1061                         // stack, because we want it to appear in the
1062                         // "Edit->Paste recent" menu.
1063                         cap::copySelectionToStack();
1064                         paste_internally = true;
1065                 }
1066
1067                 // Insert primary selection with middle mouse
1068                 // if there is a local selection in the current buffer,
1069                 // insert this
1070                 if (cmd.button() == mouse_button::button2) {
1071                         if (paste_internally) {
1072                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1073                                 bv->buffer()->errors("Paste");
1074                                 cur.clearSelection(); // bug 393
1075                                 bv->buffer()->markDirty();
1076                                 finishUndo();
1077                         } else {
1078                                 bv->mouseSetCursor(cur);
1079                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1080                         }
1081                 }
1082
1083                 // we have to update after dePM triggered
1084                 bool update = bv->mouseSetCursor(cur);
1085
1086                 if (!update && cmd.button() == mouse_button::button1) {
1087                         needsUpdate = false;
1088                         cur.noUpdate();
1089                 }
1090
1091                 break;
1092         }
1093
1094         case LFUN_MOUSE_MOTION: {
1095                 // Only use motion with button 1
1096                 //if (cmd.button() != mouse_button::button1)
1097                 //      return false;
1098
1099                 // ignore motions deeper nested than the real anchor
1100                 Cursor & bvcur = cur.bv().cursor();
1101                 if (bvcur.anchor_.hasPart(cur)) {
1102                         CursorSlice old = bvcur.top();
1103
1104                         int const wh = bv->workHeight();
1105                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1106
1107                         setCursorFromCoordinates(cur, cmd.x, y);
1108                         cur.setTargetX(cmd.x);
1109                         if (cmd.y >= wh)
1110                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1111                         else if (cmd.y < 0)
1112                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1113                         // This is to allow jumping over large insets
1114                         if (cur.top() == old) {
1115                                 if (cmd.y >= wh)
1116                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1117                                 else if (cmd.y < 0)
1118                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1119                         }
1120
1121                         if (cur.top() == old)
1122                                 cur.noUpdate();
1123                         else {
1124                                 // don't set anchor_
1125                                 bvcur.setCursor(cur);
1126                                 bvcur.selection() = true;
1127                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1128                         }
1129
1130                 } else
1131                         cur.undispatched();
1132                 break;
1133         }
1134
1135         case LFUN_MOUSE_RELEASE: {
1136                 if (cmd.button() == mouse_button::button2)
1137                         break;
1138
1139                 if (cmd.button() == mouse_button::button1) {
1140                         // if there is new selection, update persistent
1141                         // selection, otherwise, single click does not
1142                         // clear persistent selection buffer
1143                         if (cur.selection()) {
1144                                 // finish selection
1145                                 // if double click, cur is moved to the end of word by selectWord
1146                                 // but bvcur is current mouse position
1147                                 Cursor & bvcur = cur.bv().cursor();
1148                                 bvcur.selection() = true;
1149                                 saveSelection(bvcur);
1150                         }
1151                         needsUpdate = false;
1152                         cur.noUpdate();
1153                 }
1154
1155                 break;
1156         }
1157
1158         case LFUN_SELF_INSERT: {
1159                 if (cmd.argument().empty())
1160                         break;
1161
1162                 // Automatically delete the currently selected
1163                 // text and replace it with what is being
1164                 // typed in now. Depends on lyxrc settings
1165                 // "auto_region_delete", which defaults to
1166                 // true (on).
1167
1168                 if (lyxrc.auto_region_delete)
1169                         if (cur.selection())
1170                                 cutSelection(cur, false, false);
1171
1172                 cur.clearSelection();
1173                 Font const old_font = real_current_font;
1174
1175                 docstring::const_iterator cit = cmd.argument().begin();
1176                 docstring::const_iterator end = cmd.argument().end();
1177                 for (; cit != end; ++cit)
1178                         bv->translateAndInsert(*cit, this, cur);
1179
1180                 cur.resetAnchor();
1181                 moveCursor(cur, false);
1182                 break;
1183         }
1184
1185         case LFUN_URL_INSERT: {
1186                 InsetCommandParams p("url");
1187                 string const data = InsetCommandMailer::params2string("url", p);
1188                 bv->showInsetDialog("url", data, 0);
1189                 break;
1190         }
1191
1192         case LFUN_HTML_INSERT: {
1193                 InsetCommandParams p("htmlurl");
1194                 string const data = InsetCommandMailer::params2string("url", p);
1195                 bv->showInsetDialog("url", data, 0);
1196                 break;
1197         }
1198
1199         case LFUN_LABEL_INSERT: {
1200                 InsetCommandParams p("label");
1201                 // Try to generate a valid label
1202                 p["name"] = (cmd.argument().empty()) ?
1203                         cur.getPossibleLabel() :
1204                         cmd.argument();
1205                 string const data = InsetCommandMailer::params2string("label", p);
1206
1207                 if (cmd.argument().empty()) {
1208                         bv->showInsetDialog("label", data, 0);
1209                 } else {
1210                         FuncRequest fr(LFUN_INSET_INSERT, data);
1211                         dispatch(cur, fr);
1212                 }
1213                 break;
1214         }
1215
1216
1217 #if 0
1218         case LFUN_LIST_INSERT:
1219         case LFUN_THEOREM_INSERT:
1220 #endif
1221         case LFUN_CAPTION_INSERT:
1222                 // Open the inset, and move the current selection
1223                 // inside it.
1224                 doInsertInset(cur, this, cmd, true, true);
1225                 cur.posRight();
1226                 updateLabels(*bv->buffer());
1227                 break;
1228         case LFUN_NOTE_INSERT:
1229         case LFUN_CHARSTYLE_INSERT:
1230         case LFUN_BOX_INSERT:
1231         case LFUN_BRANCH_INSERT:
1232         case LFUN_BIBITEM_INSERT:
1233         case LFUN_ERT_INSERT:
1234         case LFUN_LISTING_INSERT:
1235         case LFUN_FOOTNOTE_INSERT:
1236         case LFUN_MARGINALNOTE_INSERT:
1237         case LFUN_OPTIONAL_INSERT:
1238         case LFUN_ENVIRONMENT_INSERT:
1239                 // Open the inset, and move the current selection
1240                 // inside it.
1241                 doInsertInset(cur, this, cmd, true, true);
1242                 cur.posRight();
1243                 break;
1244
1245         case LFUN_TABULAR_INSERT:
1246                 // if there were no arguments, just open the dialog
1247                 if (doInsertInset(cur, this, cmd, false, true))
1248                         cur.posRight();
1249                 else
1250                         bv->showDialog("tabularcreate");
1251
1252                 break;
1253
1254         case LFUN_FLOAT_INSERT:
1255         case LFUN_FLOAT_WIDE_INSERT:
1256         case LFUN_WRAP_INSERT: {
1257                 bool content = cur.selection();  // will some text be moved into the inset?
1258
1259                 doInsertInset(cur, this, cmd, true, true);
1260                 cur.posRight();
1261                 ParagraphList & pars = cur.text()->paragraphs();
1262
1263                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1264
1265                 // add a separate paragraph for the caption inset
1266                 pars.push_back(Paragraph());
1267                 pars.back().setInsetOwner(pars[0].inInset());
1268                 pars.back().layout(tclass.defaultLayout());
1269
1270                 int cap_pit = pars.size() - 1;
1271
1272                 // if an empty inset was created, we create an additional empty
1273                 // paragraph at the bottom so that the user can choose where to put
1274                 // the graphics (or table).
1275                 if (!content) {
1276                         pars.push_back(Paragraph());
1277                         pars.back().setInsetOwner(pars[0].inInset());
1278                         pars.back().layout(tclass.defaultLayout());
1279
1280                 }
1281
1282                 // reposition the cursor to the caption
1283                 cur.pit() = cap_pit;
1284                 cur.pos() = 0;
1285                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1286                 // FIXME: When leaving the Float (or Wrap) inset we should
1287                 // delete any empty paragraph left above or below the
1288                 // caption.
1289                 break;
1290         }
1291
1292         case LFUN_INDEX_INSERT:
1293         case LFUN_NOMENCL_INSERT: {
1294                 Inset * inset = createInset(&cur.bv(), cmd);
1295                 if (!inset)
1296                         break;
1297                 recordUndo(cur);
1298                 cur.clearSelection();
1299                 insertInset(cur, inset);
1300                 inset->edit(cur, true);
1301                 // Show the dialog for the nomenclature entry, since the
1302                 // description entry still needs to be filled in.
1303                 if (cmd.action == LFUN_NOMENCL_INSERT)
1304                         InsetCommandMailer("nomenclature",
1305                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1306                 cur.posRight();
1307                 break;
1308         }
1309
1310         case LFUN_INDEX_PRINT:
1311         case LFUN_NOMENCL_PRINT:
1312         case LFUN_TOC_INSERT:
1313         case LFUN_HFILL_INSERT:
1314         case LFUN_LINE_INSERT:
1315         case LFUN_PAGEBREAK_INSERT:
1316         case LFUN_CLEARPAGE_INSERT:
1317         case LFUN_CLEARDOUBLEPAGE_INSERT:
1318                 // do nothing fancy
1319                 doInsertInset(cur, this, cmd, false, false);
1320                 cur.posRight();
1321                 break;
1322
1323         case LFUN_DEPTH_DECREMENT:
1324                 changeDepth(cur, DEC_DEPTH);
1325                 break;
1326
1327         case LFUN_DEPTH_INCREMENT:
1328                 changeDepth(cur, INC_DEPTH);
1329                 break;
1330
1331         case LFUN_MATH_DISPLAY:
1332                 mathDispatch(cur, cmd, true);
1333                 break;
1334
1335         case LFUN_MATH_IMPORT_SELECTION:
1336         case LFUN_MATH_MODE:
1337                 if (cmd.argument() == "on")
1338                         // don't pass "on" as argument
1339                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1340                 else
1341                         mathDispatch(cur, cmd, false);
1342                 break;
1343
1344         case LFUN_MATH_MACRO:
1345                 if (cmd.argument().empty())
1346                         cur.errorMessage(from_utf8(N_("Missing argument")));
1347                 else {
1348                         string s = to_utf8(cmd.argument());
1349                         string const s1 = token(s, ' ', 1);
1350                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1351                         string const s2 = token(s, ' ', 2);
1352                         string const type = s2.empty() ? "newcommand" : s2;
1353                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1354                         //cur.nextInset()->edit(cur, true);
1355                 }
1356                 break;
1357
1358         // passthrough hat and underscore outside mathed:
1359         case LFUN_MATH_SUBSCRIPT:
1360                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1361                 break;
1362         case LFUN_MATH_SUPERSCRIPT:
1363                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1364                 break;
1365
1366         case LFUN_MATH_INSERT:
1367         case LFUN_MATH_MATRIX:
1368         case LFUN_MATH_DELIM:
1369         case LFUN_MATH_BIGDELIM: {
1370                 cur.insert(new InsetMathHull(hullSimple));
1371                 checkAndActivateInset(cur, true);
1372                 BOOST_ASSERT(cur.inMathed());
1373                 cur.dispatch(cmd);
1374                 break;
1375         }
1376
1377         case LFUN_FONT_EMPH: {
1378                 Font font(Font::ALL_IGNORE);
1379                 font.setEmph(Font::TOGGLE);
1380                 toggleAndShow(cur, this, font);
1381                 break;
1382         }
1383
1384         case LFUN_FONT_BOLD: {
1385                 Font font(Font::ALL_IGNORE);
1386                 font.setSeries(Font::BOLD_SERIES);
1387                 toggleAndShow(cur, this, font);
1388                 break;
1389         }
1390
1391         case LFUN_FONT_NOUN: {
1392                 Font font(Font::ALL_IGNORE);
1393                 font.setNoun(Font::TOGGLE);
1394                 toggleAndShow(cur, this, font);
1395                 break;
1396         }
1397
1398         case LFUN_FONT_CODE: {
1399                 Font font(Font::ALL_IGNORE);
1400                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1401                 toggleAndShow(cur, this, font);
1402                 break;
1403         }
1404
1405         case LFUN_FONT_SANS: {
1406                 Font font(Font::ALL_IGNORE);
1407                 font.setFamily(Font::SANS_FAMILY);
1408                 toggleAndShow(cur, this, font);
1409                 break;
1410         }
1411
1412         case LFUN_FONT_ROMAN: {
1413                 Font font(Font::ALL_IGNORE);
1414                 font.setFamily(Font::ROMAN_FAMILY);
1415                 toggleAndShow(cur, this, font);
1416                 break;
1417         }
1418
1419         case LFUN_FONT_DEFAULT: {
1420                 Font font(Font::ALL_INHERIT, ignore_language);
1421                 toggleAndShow(cur, this, font);
1422                 break;
1423         }
1424
1425         case LFUN_FONT_UNDERLINE: {
1426                 Font font(Font::ALL_IGNORE);
1427                 font.setUnderbar(Font::TOGGLE);
1428                 toggleAndShow(cur, this, font);
1429                 break;
1430         }
1431
1432         case LFUN_FONT_SIZE: {
1433                 Font font(Font::ALL_IGNORE);
1434                 font.setLyXSize(to_utf8(cmd.argument()));
1435                 toggleAndShow(cur, this, font);
1436                 break;
1437         }
1438
1439         case LFUN_LANGUAGE: {
1440                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1441                 if (!lang)
1442                         break;
1443                 Font font(Font::ALL_IGNORE);
1444                 font.setLanguage(lang);
1445                 toggleAndShow(cur, this, font);
1446                 break;
1447         }
1448
1449         case LFUN_FONT_FREE_APPLY:
1450                 toggleAndShow(cur, this, freefont, toggleall);
1451                 cur.message(_("Character set"));
1452                 break;
1453
1454         // Set the freefont using the contents of \param data dispatched from
1455         // the frontends and apply it at the current cursor location.
1456         case LFUN_FONT_FREE_UPDATE: {
1457                 Font font;
1458                 bool toggle;
1459                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1460                         freefont = font;
1461                         toggleall = toggle;
1462                         toggleAndShow(cur, this, freefont, toggleall);
1463                         cur.message(_("Character set"));
1464                 }
1465                 break;
1466         }
1467
1468         case LFUN_FINISHED_LEFT:
1469                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1470                 if (reverseDirectionNeeded(cur))
1471                         ++cur.pos();
1472                 break;
1473
1474         case LFUN_FINISHED_RIGHT:
1475                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1476                 if (!reverseDirectionNeeded(cur))
1477                         ++cur.pos();
1478                 break;
1479
1480         case LFUN_LAYOUT_PARAGRAPH: {
1481                 string data;
1482                 params2string(cur.paragraph(), data);
1483                 data = "show\n" + data;
1484                 bv->showDialogWithData("paragraph", data);
1485                 break;
1486         }
1487
1488         case LFUN_PARAGRAPH_UPDATE: {
1489                 string data;
1490                 params2string(cur.paragraph(), data);
1491
1492                 // Will the paragraph accept changes from the dialog?
1493                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1494
1495                 data = "update " + convert<string>(accept) + '\n' + data;
1496                 bv->updateDialog("paragraph", data);
1497                 break;
1498         }
1499
1500         case LFUN_ACCENT_UMLAUT:
1501         case LFUN_ACCENT_CIRCUMFLEX:
1502         case LFUN_ACCENT_GRAVE:
1503         case LFUN_ACCENT_ACUTE:
1504         case LFUN_ACCENT_TILDE:
1505         case LFUN_ACCENT_CEDILLA:
1506         case LFUN_ACCENT_MACRON:
1507         case LFUN_ACCENT_DOT:
1508         case LFUN_ACCENT_UNDERDOT:
1509         case LFUN_ACCENT_UNDERBAR:
1510         case LFUN_ACCENT_CARON:
1511         case LFUN_ACCENT_SPECIAL_CARON:
1512         case LFUN_ACCENT_BREVE:
1513         case LFUN_ACCENT_TIE:
1514         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1515         case LFUN_ACCENT_CIRCLE:
1516         case LFUN_ACCENT_OGONEK:
1517                 theLyXFunc().handleKeyFunc(cmd.action);
1518                 if (!cmd.argument().empty())
1519                         // FIXME: Are all these characters encoded in one byte in utf8?
1520                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1521                 break;
1522
1523         case LFUN_FLOAT_LIST: {
1524                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1525                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1526                         // not quite sure if we want this...
1527                         recordUndo(cur);
1528                         cur.clearSelection();
1529                         breakParagraph(cur);
1530
1531                         if (cur.lastpos() != 0) {
1532                                 cursorLeft(cur);
1533                                 breakParagraph(cur);
1534                         }
1535
1536                         setLayout(cur, tclass.defaultLayoutName());
1537                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1538                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1539                         cur.posRight();
1540                 } else {
1541                         lyxerr << "Non-existent float type: "
1542                                << to_utf8(cmd.argument()) << endl;
1543                 }
1544                 break;
1545         }
1546
1547         case LFUN_CHANGE_ACCEPT: {
1548                 acceptOrRejectChanges(cur, ACCEPT);
1549                 break;
1550         }
1551
1552         case LFUN_CHANGE_REJECT: {
1553                 acceptOrRejectChanges(cur, REJECT);
1554                 break;
1555         }
1556
1557         case LFUN_THESAURUS_ENTRY: {
1558                 docstring arg = cmd.argument();
1559                 if (arg.empty()) {
1560                         arg = cur.selectionAsString(false);
1561                         // FIXME
1562                         if (arg.size() > 100 || arg.empty()) {
1563                                 // Get word or selection
1564                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1565                                 arg = cur.selectionAsString(false);
1566                         }
1567                 }
1568                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1569                 break;
1570         }
1571
1572         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1573                 // Given data, an encoding of the ParagraphParameters
1574                 // generated in the Paragraph dialog, this function sets
1575                 // the current paragraph appropriately.
1576                 istringstream is(to_utf8(cmd.argument()));
1577                 Lexer lex(0, 0);
1578                 lex.setStream(is);
1579                 ParagraphParameters params;
1580                 params.read(lex);
1581                 setParagraph(cur,
1582                              params.spacing(),
1583                              params.align(),
1584                              params.labelWidthString(),
1585                              params.noindent());
1586                 cur.message(_("Paragraph layout set"));
1587                 break;
1588         }
1589
1590         case LFUN_ESCAPE:
1591                 if (cur.selection()) {
1592                         cur.selection() = false;
1593                         saveSelection(cur);
1594                 } else {
1595                         cur.undispatched();
1596                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1597                 }
1598                 break;
1599
1600         default:
1601                 LYXERR(Debug::ACTION)
1602                         << BOOST_CURRENT_FUNCTION
1603                         << ": Command " << cmd
1604                         << " not DISPATCHED by Text" << endl;
1605                 cur.undispatched();
1606                 break;
1607         }
1608
1609         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1610
1611         // FIXME: The cursor flag is reset two lines below
1612         // so we need to check here if some of the LFUN did touch that.
1613         // for now only Text::erase() and Text::backspace() do that.
1614         // The plan is to verify all the LFUNs and then to remove this
1615         // singleParUpdate boolean altogether.
1616         if (cur.result().update() & Update::Force) {
1617                 singleParUpdate = false;
1618                 needsUpdate = true;
1619         }
1620
1621         // FIXME: the following code should go in favor of fine grained
1622         // update flag treatment.
1623         if (singleParUpdate) {
1624                 // Inserting characters does not change par height
1625                 ParagraphMetrics const & pms
1626                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1627                 if (pms.dim().height()
1628                     == olddim.height()) {
1629                         // if so, update _only_ this paragraph
1630                         cur.updateFlags(Update::SinglePar |
1631                                 Update::FitCursor |
1632                                 Update::MultiParSel);
1633                         return;
1634                 } else
1635                         needsUpdate = true;
1636         }
1637
1638         if (!needsUpdate
1639             && &oldTopSlice.inset() == &cur.inset()
1640             && oldTopSlice.idx() == cur.idx()
1641             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1642             && !cur.selection())
1643                 // FIXME: it would be better if we could just do this
1644                 //
1645                 //if (cur.result().update() != Update::FitCursor)
1646                 //      cur.noUpdate();
1647                 //
1648                 // But some LFUNs do not set Update::FitCursor when needed, so we
1649                 // do it for all. This is not very harmfull as FitCursor will provoke
1650                 // a full redraw only if needed but still, a proper review of all LFUN
1651                 // should be done and this needsUpdate boolean can then be removed.
1652                 cur.updateFlags(Update::FitCursor);
1653         else
1654                 cur.updateFlags(Update::Force | Update::FitCursor);
1655 }
1656
1657
1658 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1659                         FuncStatus & flag) const
1660 {
1661         BOOST_ASSERT(cur.text() == this);
1662
1663         Font const & font = real_current_font;
1664         bool enable = true;
1665         Inset::Code code = Inset::NO_CODE;
1666
1667         switch (cmd.action) {
1668
1669         case LFUN_DEPTH_DECREMENT:
1670                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1671                 break;
1672
1673         case LFUN_DEPTH_INCREMENT:
1674                 enable = changeDepthAllowed(cur, INC_DEPTH);
1675                 break;
1676
1677         case LFUN_APPENDIX:
1678                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1679                 return true;
1680
1681         case LFUN_BIBITEM_INSERT:
1682                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1683                           && cur.pos() == 0);
1684                 break;
1685
1686         case LFUN_DIALOG_SHOW_NEW_INSET:
1687                 if (cmd.argument() == "bibitem")
1688                         code = Inset::BIBITEM_CODE;
1689                 else if (cmd.argument() == "bibtex")
1690                         code = Inset::BIBTEX_CODE;
1691                 else if (cmd.argument() == "box")
1692                         code = Inset::BOX_CODE;
1693                 else if (cmd.argument() == "branch")
1694                         code = Inset::BRANCH_CODE;
1695                 else if (cmd.argument() == "citation")
1696                         code = Inset::CITE_CODE;
1697                 else if (cmd.argument() == "ert")
1698                         code = Inset::ERT_CODE;
1699                 else if (cmd.argument() == "external")
1700                         code = Inset::EXTERNAL_CODE;
1701                 else if (cmd.argument() == "float")
1702                         code = Inset::FLOAT_CODE;
1703                 else if (cmd.argument() == "graphics")
1704                         code = Inset::GRAPHICS_CODE;
1705                 else if (cmd.argument() == "include")
1706                         code = Inset::INCLUDE_CODE;
1707                 else if (cmd.argument() == "index")
1708                         code = Inset::INDEX_CODE;
1709                 else if (cmd.argument() == "nomenclature")
1710                         code = Inset::NOMENCL_CODE;
1711                 else if (cmd.argument() == "label")
1712                         code = Inset::LABEL_CODE;
1713                 else if (cmd.argument() == "note")
1714                         code = Inset::NOTE_CODE;
1715                 else if (cmd.argument() == "ref")
1716                         code = Inset::REF_CODE;
1717                 else if (cmd.argument() == "toc")
1718                         code = Inset::TOC_CODE;
1719                 else if (cmd.argument() == "url")
1720                         code = Inset::URL_CODE;
1721                 else if (cmd.argument() == "vspace")
1722                         code = Inset::VSPACE_CODE;
1723                 else if (cmd.argument() == "wrap")
1724                         code = Inset::WRAP_CODE;
1725                 else if (cmd.argument() == "listings")
1726                         code = Inset::LISTINGS_CODE;
1727                 break;
1728
1729         case LFUN_ERT_INSERT:
1730                 code = Inset::ERT_CODE;
1731                 break;
1732         case LFUN_LISTING_INSERT:
1733             code = Inset::LISTINGS_CODE;
1734                 break;
1735         case LFUN_FOOTNOTE_INSERT:
1736                 code = Inset::FOOT_CODE;
1737                 break;
1738         case LFUN_TABULAR_INSERT:
1739                 code = Inset::TABULAR_CODE;
1740                 break;
1741         case LFUN_MARGINALNOTE_INSERT:
1742                 code = Inset::MARGIN_CODE;
1743                 break;
1744         case LFUN_FLOAT_INSERT:
1745         case LFUN_FLOAT_WIDE_INSERT:
1746                 code = Inset::FLOAT_CODE;
1747                 break;
1748         case LFUN_WRAP_INSERT:
1749                 code = Inset::WRAP_CODE;
1750                 break;
1751         case LFUN_FLOAT_LIST:
1752                 code = Inset::FLOAT_LIST_CODE;
1753                 break;
1754 #if 0
1755         case LFUN_LIST_INSERT:
1756                 code = Inset::LIST_CODE;
1757                 break;
1758         case LFUN_THEOREM_INSERT:
1759                 code = Inset::THEOREM_CODE;
1760                 break;
1761 #endif
1762         case LFUN_CAPTION_INSERT:
1763                 code = Inset::CAPTION_CODE;
1764                 break;
1765         case LFUN_NOTE_INSERT:
1766                 code = Inset::NOTE_CODE;
1767                 break;
1768         case LFUN_CHARSTYLE_INSERT:
1769                 code = Inset::CHARSTYLE_CODE;
1770                 if (cur.buffer().params().getTextClass().charstyles().empty())
1771                         enable = false;
1772                 break;
1773         case LFUN_BOX_INSERT:
1774                 code = Inset::BOX_CODE;
1775                 break;
1776         case LFUN_BRANCH_INSERT:
1777                 code = Inset::BRANCH_CODE;
1778                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1779                         enable = false;
1780                 break;
1781         case LFUN_LABEL_INSERT:
1782                 code = Inset::LABEL_CODE;
1783                 break;
1784         case LFUN_OPTIONAL_INSERT:
1785                 code = Inset::OPTARG_CODE;
1786                 enable = numberOfOptArgs(cur.paragraph())
1787                         < cur.paragraph().layout()->optionalargs;
1788                 break;
1789         case LFUN_ENVIRONMENT_INSERT:
1790                 code = Inset::BOX_CODE;
1791                 break;
1792         case LFUN_INDEX_INSERT:
1793                 code = Inset::INDEX_CODE;
1794                 break;
1795         case LFUN_INDEX_PRINT:
1796                 code = Inset::INDEX_PRINT_CODE;
1797                 break;
1798         case LFUN_NOMENCL_INSERT:
1799                 code = Inset::NOMENCL_CODE;
1800                 break;
1801         case LFUN_NOMENCL_PRINT:
1802                 code = Inset::NOMENCL_PRINT_CODE;
1803                 break;
1804         case LFUN_TOC_INSERT:
1805                 code = Inset::TOC_CODE;
1806                 break;
1807         case LFUN_HTML_INSERT:
1808         case LFUN_URL_INSERT:
1809                 code = Inset::URL_CODE;
1810                 break;
1811         case LFUN_QUOTE_INSERT:
1812                 // always allow this, since we will inset a raw quote
1813                 // if an inset is not allowed.
1814                 break;
1815         case LFUN_HYPHENATION_POINT_INSERT:
1816         case LFUN_LIGATURE_BREAK_INSERT:
1817         case LFUN_HFILL_INSERT:
1818         case LFUN_MENU_SEPARATOR_INSERT:
1819         case LFUN_DOTS_INSERT:
1820         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1821                 code = Inset::SPECIALCHAR_CODE;
1822                 break;
1823         case LFUN_SPACE_INSERT:
1824                 // slight hack: we know this is allowed in math mode
1825                 if (cur.inTexted())
1826                         code = Inset::SPACE_CODE;
1827                 break;
1828
1829         case LFUN_INSET_MODIFY:
1830                 // We need to disable this, because we may get called for a
1831                 // tabular cell via
1832                 // InsetTabular::getStatus() -> InsetText::getStatus()
1833                 // and we don't handle LFUN_INSET_MODIFY.
1834                 enable = false;
1835                 break;
1836
1837         case LFUN_FONT_EMPH:
1838                 flag.setOnOff(font.emph() == Font::ON);
1839                 return true;
1840
1841         case LFUN_FONT_NOUN:
1842                 flag.setOnOff(font.noun() == Font::ON);
1843                 return true;
1844
1845         case LFUN_FONT_BOLD:
1846                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1847                 return true;
1848
1849         case LFUN_FONT_SANS:
1850                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1851                 return true;
1852
1853         case LFUN_FONT_ROMAN:
1854                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1855                 return true;
1856
1857         case LFUN_FONT_CODE:
1858                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1859                 return true;
1860
1861         case LFUN_CUT:
1862         case LFUN_COPY:
1863                 enable = cur.selection();
1864                 break;
1865
1866         case LFUN_PASTE:
1867                 if (cmd.argument().empty()) {
1868                         if (theClipboard().isInternal())
1869                                 enable = cap::numberOfSelections() > 0;
1870                         else
1871                                 enable = !theClipboard().empty();
1872                 } else {
1873                         string const arg = to_utf8(cmd.argument());
1874                         if (isStrUnsignedInt(arg)) {
1875                                 unsigned int n = convert<unsigned int>(arg);
1876                                 enable = cap::numberOfSelections() > n;
1877                         } else
1878                                 // unknown argument
1879                                 enable = false;
1880                 }
1881                 break;
1882
1883         case LFUN_CLIPBOARD_PASTE:
1884                 enable = !theClipboard().empty();
1885                 break;
1886
1887         case LFUN_PRIMARY_SELECTION_PASTE:
1888                 enable = cur.selection() || !theSelection().empty();
1889                 break;
1890
1891         case LFUN_PARAGRAPH_MOVE_UP:
1892                 enable = cur.pit() > 0 && !cur.selection();
1893                 break;
1894
1895         case LFUN_PARAGRAPH_MOVE_DOWN:
1896                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1897                 break;
1898
1899         case LFUN_INSET_DISSOLVE:
1900                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1901                 break;
1902
1903         case LFUN_CHANGE_ACCEPT:
1904         case LFUN_CHANGE_REJECT:
1905                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1906                 // In principle, these LFUNs should only be enabled if there
1907                 // is a change at the current position/in the current selection.
1908                 // However, without proper optimizations, this will inevitably
1909                 // result in unacceptable performance - just imagine a user who
1910                 // wants to select the complete content of a long document.
1911                 enable = true;
1912                 break;
1913
1914         case LFUN_WORD_DELETE_FORWARD:
1915         case LFUN_WORD_DELETE_BACKWARD:
1916         case LFUN_LINE_DELETE:
1917         case LFUN_WORD_FORWARD:
1918         case LFUN_WORD_BACKWARD:
1919         case LFUN_CHAR_FORWARD:
1920         case LFUN_CHAR_FORWARD_SELECT:
1921         case LFUN_CHAR_BACKWARD:
1922         case LFUN_CHAR_BACKWARD_SELECT:
1923         case LFUN_UP:
1924         case LFUN_UP_SELECT:
1925         case LFUN_DOWN:
1926         case LFUN_DOWN_SELECT:
1927         case LFUN_PARAGRAPH_UP_SELECT:
1928         case LFUN_PARAGRAPH_DOWN_SELECT:
1929         case LFUN_SCREEN_UP_SELECT:
1930         case LFUN_SCREEN_DOWN_SELECT:
1931         case LFUN_LINE_BEGIN_SELECT:
1932         case LFUN_LINE_END_SELECT:
1933         case LFUN_WORD_FORWARD_SELECT:
1934         case LFUN_WORD_BACKWARD_SELECT:
1935         case LFUN_WORD_SELECT:
1936         case LFUN_PARAGRAPH_UP:
1937         case LFUN_PARAGRAPH_DOWN:
1938         case LFUN_SCREEN_UP:
1939         case LFUN_SCREEN_DOWN:
1940         case LFUN_LINE_BEGIN:
1941         case LFUN_LINE_END:
1942         case LFUN_BREAK_LINE:
1943         case LFUN_CHAR_DELETE_FORWARD:
1944         case LFUN_DELETE_FORWARD_SKIP:
1945         case LFUN_CHAR_DELETE_BACKWARD:
1946         case LFUN_DELETE_BACKWARD_SKIP:
1947         case LFUN_BREAK_PARAGRAPH:
1948         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1949         case LFUN_BREAK_PARAGRAPH_SKIP:
1950         case LFUN_PARAGRAPH_SPACING:
1951         case LFUN_INSET_INSERT:
1952         case LFUN_WORD_UPCASE:
1953         case LFUN_WORD_LOWCASE:
1954         case LFUN_WORD_CAPITALIZE:
1955         case LFUN_CHARS_TRANSPOSE:
1956         case LFUN_SERVER_GET_XY:
1957         case LFUN_SERVER_SET_XY:
1958         case LFUN_SERVER_GET_FONT:
1959         case LFUN_SERVER_GET_LAYOUT:
1960         case LFUN_LAYOUT:
1961         case LFUN_DATE_INSERT:
1962         case LFUN_SELF_INSERT:
1963         case LFUN_LINE_INSERT:
1964         case LFUN_PAGEBREAK_INSERT:
1965         case LFUN_CLEARPAGE_INSERT:
1966         case LFUN_CLEARDOUBLEPAGE_INSERT:
1967         case LFUN_MATH_DISPLAY:
1968         case LFUN_MATH_IMPORT_SELECTION:
1969         case LFUN_MATH_MODE:
1970         case LFUN_MATH_MACRO:
1971         case LFUN_MATH_MATRIX:
1972         case LFUN_MATH_DELIM:
1973         case LFUN_MATH_BIGDELIM:
1974         case LFUN_MATH_SUBSCRIPT:
1975         case LFUN_MATH_SUPERSCRIPT:
1976         case LFUN_FONT_DEFAULT:
1977         case LFUN_FONT_UNDERLINE:
1978         case LFUN_FONT_SIZE:
1979         case LFUN_LANGUAGE:
1980         case LFUN_FONT_FREE_APPLY:
1981         case LFUN_FONT_FREE_UPDATE:
1982         case LFUN_LAYOUT_PARAGRAPH:
1983         case LFUN_PARAGRAPH_UPDATE:
1984         case LFUN_ACCENT_UMLAUT:
1985         case LFUN_ACCENT_CIRCUMFLEX:
1986         case LFUN_ACCENT_GRAVE:
1987         case LFUN_ACCENT_ACUTE:
1988         case LFUN_ACCENT_TILDE:
1989         case LFUN_ACCENT_CEDILLA:
1990         case LFUN_ACCENT_MACRON:
1991         case LFUN_ACCENT_DOT:
1992         case LFUN_ACCENT_UNDERDOT:
1993         case LFUN_ACCENT_UNDERBAR:
1994         case LFUN_ACCENT_CARON:
1995         case LFUN_ACCENT_SPECIAL_CARON:
1996         case LFUN_ACCENT_BREVE:
1997         case LFUN_ACCENT_TIE:
1998         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1999         case LFUN_ACCENT_CIRCLE:
2000         case LFUN_ACCENT_OGONEK:
2001         case LFUN_THESAURUS_ENTRY:
2002         case LFUN_PARAGRAPH_PARAMS_APPLY:
2003         case LFUN_ESCAPE:
2004         case LFUN_BUFFER_END:
2005         case LFUN_BUFFER_BEGIN:
2006         case LFUN_BUFFER_BEGIN_SELECT:
2007         case LFUN_BUFFER_END_SELECT:
2008         case LFUN_UNICODE_INSERT:
2009                 // these are handled in our dispatch()
2010                 enable = true;
2011                 break;
2012
2013         default:
2014                 return false;
2015         }
2016
2017         if (code != Inset::NO_CODE
2018             && (cur.empty() || !cur.inset().insetAllowed(code)))
2019                 enable = false;
2020
2021         flag.enabled(enable);
2022         return true;
2023 }
2024
2025
2026 void Text::pasteString(Cursor & cur, docstring const & clip,
2027                 bool asParagraphs)
2028 {
2029         cur.clearSelection();
2030         if (!clip.empty()) {
2031                 recordUndo(cur);
2032                 if (asParagraphs)
2033                         insertStringAsParagraphs(cur, clip);
2034                 else
2035                         insertStringAsLines(cur, clip);
2036         }
2037 }
2038
2039 } // namespace lyx