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
  83 using support::isStrUnsignedInt;
  84 using support::token;
  85
  86 using std::endl;
  87 using std::string;
  88 using std::istringstream;
  89 using std::ostringstream;
  90
  91
  92 extern string current_layout;
  93
  94
  95 namespace {
  96
  97         // globals...
  98         Font freefont(Font::ALL_IGNORE);
  99         bool toggleall = false;
 100
 101         void toggleAndShow(Cursor & cur, Text * text,
 102                 Font const & font, bool toggleall = true)
 103         {
 104                 text->toggleFree(cur, font, toggleall);
 105
 106                 if (font.language() != ignore_language ||
 107                                 font.number() != Font::IGNORE) {
 108                         Paragraph & par = cur.paragraph();
 109                         if (cur.boundary() != text->isRTLBoundary(cur.buffer(), par,
 110                                                 cur.pos(), text->real_current_font))
 111                                 text->setCursor(cur, cur.pit(), cur.pos(),
 112                                                 false, !cur.boundary());
 113                 }
 114         }
 115
 116
 117         void moveCursor(Cursor & cur, bool selecting)
 118         {
 119                 if (selecting || cur.mark())
 120                         cur.setSelection();
 121         }
 122
 123
 124         void finishChange(Cursor & cur, bool selecting)
 125         {
 126                 finishUndo();
 127                 moveCursor(cur, selecting);
 128         }
 129
 130
 131         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 132         {
 133                 recordUndo(cur);
 134                 docstring sel = cur.selectionAsString(false);
 135
 136                 // It may happen that sel is empty but there is a selection
 137                 replaceSelection(cur);
 138
 139                 if (sel.empty()) {
 140 #ifdef ENABLE_ASSERTIONS
 141                         const int old_pos = cur.pos();
 142 #endif
 143                         cur.insert(new InsetMathHull(hullSimple));
 144                         BOOST_ASSERT(old_pos == cur.pos());
 145                         cur.nextInset()->edit(cur, true);
 146                         // don't do that also for LFUN_MATH_MODE
 147                         // unless you want end up with always changing
 148                         // to mathrm when opening an inlined inset --
 149                         // I really hate "LyXfunc overloading"...
 150                         if (display)
 151                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 152                         // Avoid an unnecessary undo step if cmd.argument
 153                         // is empty
 154                         if (!cmd.argument().empty())
 155                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 156                                                          cmd.argument()));
 157                 } else {
 158                         // create a macro if we see "\\newcommand"
 159                         // somewhere, and an ordinary formula
 160                         // otherwise
 161                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 162                             && sel.find(from_ascii("\\def")) == string::npos)
 163                         {
 164                                 InsetMathHull * formula = new InsetMathHull;
 165                                 istringstream is(to_utf8(sel));
 166                                 Lexer lex(0, 0);
 167                                 lex.setStream(is);
 168                                 formula->read(cur.buffer(), lex);
 169                                 if (formula->getType() == hullNone)
 170                                         // Don't create pseudo formulas if
 171                                         // delimiters are left out
 172                                         formula->mutate(hullSimple);
 173                                 cur.insert(formula);
 174                         } else {
 175                                 cur.insert(new MathMacroTemplate(sel));
 176                         }
 177                 }
 178                 cur.message(from_utf8(N_("Math editor mode")));
 179         }
 180
 181 } // namespace anon
 182
 183
 184
 185 namespace bv_funcs {
 186
 187 string const freefont2string()
 188 {
 189         string data;
 190         if (font2string(freefont, toggleall, data))
 191                 return data;
 192         return string();
 193 }
 194
 195 }
 196
 197 void Text::cursorPrevious(Cursor & cur)
 198 {
 199         pos_type cpos = cur.pos();
 200         pit_type cpar = cur.pit();
 201
 202         int x = cur.x_target();
 203         setCursorFromCoordinates(cur, x, 0);
 204         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 205
 206         if (cpar == cur.pit() && cpos == cur.pos())
 207                 // we have a row which is taller than the workarea. The
 208                 // simplest solution is to move to the previous row instead.
 209                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 210
 211         finishUndo();
 212         cur.updateFlags(Update::Force | Update::FitCursor);
 213 }
 214
 215
 216 void Text::cursorNext(Cursor & cur)
 217 {
 218         pos_type cpos = cur.pos();
 219         pit_type cpar = cur.pit();
 220
 221         int x = cur.x_target();
 222         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 223         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 224
 225         if (cpar == cur.pit() && cpos == cur.pos())
 226                 // we have a row which is taller than the workarea. The
 227                 // simplest solution is to move to the next row instead.
 228                 cur.dispatch(
 229                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 230
 231         finishUndo();
 232         cur.updateFlags(Update::Force | Update::FitCursor);
 233 }
 234
 235
 236 namespace {
 237
 238 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 239 {
 240         recordUndo(cur);
 241         cap::replaceSelection(cur);
 242         cur.insert(new InsetSpecialChar(kind));
 243         cur.posRight();
 244 }
 245
 246
 247 bool doInsertInset(Cursor & cur, Text * text,
 248         FuncRequest const & cmd, bool edit, bool pastesel)
 249 {
 250         Inset * inset = createInset(&cur.bv(), cmd);
 251         if (!inset)
 252                 return false;
 253
 254         recordUndo(cur);
 255         bool gotsel = false;
 256         if (cur.selection()) {
 257                 lyx::dispatch(FuncRequest(LFUN_CUT));
 258                 gotsel = true;
 259         }
 260         text->insertInset(cur, inset);
 261
 262         if (edit)
 263                 inset->edit(cur, true);
 264
 265         if (gotsel && pastesel) {
 266                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 267                 // reset first par to default
 268                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 269                         Layout_ptr const layout =
 270                                 cur.buffer().params().getTextClass().defaultLayout();
 271                         cur.text()->paragraphs().begin()->layout(layout);
 272                 }
 273         }
 274         return true;
 275 }
 276
 277
 278 } // anon namespace
 279
 280
 281 void Text::number(Cursor & cur)
 282 {
 283         Font font(Font::ALL_IGNORE);
 284         font.setNumber(Font::TOGGLE);
 285         toggleAndShow(cur, this, font);
 286 }
 287
 288
 289 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 290 {
 291         return par.isRightToLeftPar(buffer.params());
 292 }
 293
 294
 295 bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const
 296 {
 297         if (!lyxrc.rtl_support && !sl.text())
 298                 return false;
 299
 300         int correction = 0;
 301         if (boundary && sl.pos() > 0)
 302                 correction = -1;
 303
 304         Paragraph const & par = getPar(sl.pit());
 305         return getFont(buffer, par, sl.pos() + correction).isVisibleRightToLeft();
 306 }
 307
 308
 309 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 310                          pos_type pos) const
 311 {
 312         if (!lyxrc.rtl_support)
 313                 return false;
 314
 315         // no RTL boundary at line start
 316         if (pos == 0)
 317                 return false;
 318
 319         bool left = getFont(buffer, par, pos - 1).isVisibleRightToLeft();
 320         bool right;
 321         if (pos == par.size())
 322                 right = par.isRightToLeftPar(buffer.params());
 323         else
 324                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 325         return left != right;
 326 }
 327
 328
 329 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 330                          pos_type pos, Font const & font) const
 331 {
 332         if (!lyxrc.rtl_support)
 333                 return false;
 334
 335         bool left = font.isVisibleRightToLeft();
 336         bool right;
 337         if (pos == par.size())
 338                 right = par.isRightToLeftPar(buffer.params());
 339         else
 340                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 341         return left != right;
 342 }
 343
 344
 345 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 346 {
 347         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 348
 349         // FIXME: We use the update flag to indicates wether a singlePar or a
 350         // full screen update is needed. We reset it here but shall we restore it
 351         // at the end?
 352         cur.noUpdate();
 353
 354         BOOST_ASSERT(cur.text() == this);
 355         BufferView * bv = &cur.bv();
 356         CursorSlice oldTopSlice = cur.top();
 357         bool oldBoundary = cur.boundary();
 358         bool sel = cur.selection();
 359         // Signals that, even if needsUpdate == false, an update of the
 360         // cursor paragraph is required
 361         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 362                 LyXAction::SingleParUpdate);
 363         // Signals that a full-screen update is required
 364         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 365                 LyXAction::NoUpdate) || singleParUpdate);
 366         // Remember the old paragraph metric (_outer_ paragraph!)
 367         ParagraphMetrics const & pm = cur.bv().parMetrics(
 368                 cur.bottom().text(), cur.bottom().pit());
 369         Dimension olddim = pm.dim();
 370
 371         switch (cmd.action) {
 372
 373         case LFUN_PARAGRAPH_MOVE_DOWN: {
 374                 pit_type const pit = cur.pit();
 375                 recUndo(cur, pit, pit + 1);
 376                 finishUndo();
 377                 std::swap(pars_[pit], pars_[pit + 1]);
 378                 updateLabels(cur.buffer());
 379                 needsUpdate = true;
 380                 break;
 381         }
 382
 383         case LFUN_PARAGRAPH_MOVE_UP: {
 384                 pit_type const pit = cur.pit();
 385                 recUndo(cur, pit - 1, pit);
 386                 finishUndo();
 387                 std::swap(pars_[pit], pars_[pit - 1]);
 388                 updateLabels(cur.buffer());
 389                 needsUpdate = true;
 390                 break;
 391         }
 392
 393         case LFUN_APPENDIX: {
 394                 Paragraph & par = cur.paragraph();
 395                 bool start = !par.params().startOfAppendix();
 396
 397 #ifdef WITH_WARNINGS
 398 #warning The code below only makes sense at top level.
 399 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 400 #endif
 401                 // ensure that we have only one start_of_appendix in this document
 402                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 403                         if (pars_[tmp].params().startOfAppendix()) {
 404                                 recUndo(cur, tmp);
 405                                 pars_[tmp].params().startOfAppendix(false);
 406                                 break;
 407                         }
 408                 }
 409
 410                 recordUndo(cur);
 411                 par.params().startOfAppendix(start);
 412
 413                 // we can set the refreshing parameters now
 414                 updateLabels(cur.buffer());
 415                 break;
 416         }
 417
 418         case LFUN_WORD_DELETE_FORWARD:
 419                 if (cur.selection()) {
 420                         cutSelection(cur, true, false);
 421                 } else
 422                         deleteWordForward(cur);
 423                 finishChange(cur, false);
 424                 break;
 425
 426         case LFUN_WORD_DELETE_BACKWARD:
 427                 if (cur.selection()) {
 428                         cutSelection(cur, true, false);
 429                 } else
 430                         deleteWordBackward(cur);
 431                 finishChange(cur, false);
 432                 break;
 433
 434         case LFUN_LINE_DELETE:
 435                 if (cur.selection()) {
 436                         cutSelection(cur, true, false);
 437                 } else
 438                         deleteLineForward(cur);
 439                 finishChange(cur, false);
 440                 break;
 441
 442         case LFUN_BUFFER_BEGIN:
 443         case LFUN_BUFFER_BEGIN_SELECT:
 444                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 445                 if (cur.depth() == 1) {
 446                         needsUpdate |= cursorTop(cur);
 447                 } else {
 448                         cur.undispatched();
 449                 }
 450                 break;
 451
 452         case LFUN_BUFFER_END:
 453         case LFUN_BUFFER_END_SELECT:
 454                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 455                 if (cur.depth() == 1) {
 456                         needsUpdate |= cursorBottom(cur);
 457                 } else {
 458                         cur.undispatched();
 459                 }
 460                 break;
 461
 462         case LFUN_CHAR_FORWARD:
 463         case LFUN_CHAR_FORWARD_SELECT:
 464                 //lyxerr << BOOST_CURRENT_FUNCTION
 465                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 466                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 467                 if (reverseDirectionNeeded(cur))
 468                         needsUpdate |= cursorLeft(cur);
 469                 else
 470                         needsUpdate |= cursorRight(cur);
 471
 472                 if (!needsUpdate && oldTopSlice == cur.top()
 473                                 && cur.boundary() == oldBoundary) {
 474                         cur.undispatched();
 475                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 476                 }
 477                 break;
 478
 479         case LFUN_CHAR_BACKWARD:
 480         case LFUN_CHAR_BACKWARD_SELECT:
 481                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 482                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 483                 if (reverseDirectionNeeded(cur))
 484                         needsUpdate |= cursorRight(cur);
 485                 else
 486                         needsUpdate |= cursorLeft(cur);
 487
 488                 if (!needsUpdate && oldTopSlice == cur.top()
 489                         && cur.boundary() == oldBoundary) {
 490                         cur.undispatched();
 491                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 492                 }
 493                 break;
 494
 495         case LFUN_UP_SELECT:
 496         case LFUN_DOWN_SELECT:
 497         case LFUN_UP:
 498         case LFUN_DOWN: {
 499                 // stop/start the selection
 500                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 501                         cmd.action == LFUN_UP_SELECT;
 502                 cur.selHandle(select);
 503
 504                 // move cursor up/down
 505                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 506                 bool const successful = cur.upDownInText(up, needsUpdate);
 507                 if (successful) {
 508                         // notify insets which were left and get their update flags
 509                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 510                         cur.fixIfBroken();
 511
 512                         // redraw if you leave mathed (for the decorations)
 513                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 514                 } else
 515                         cur.undispatched();
 516
 517                 break;
 518         }
 519
 520         case LFUN_PARAGRAPH_UP:
 521         case LFUN_PARAGRAPH_UP_SELECT:
 522                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 523                 needsUpdate |= cursorUpParagraph(cur);
 524                 break;
 525
 526         case LFUN_PARAGRAPH_DOWN:
 527         case LFUN_PARAGRAPH_DOWN_SELECT:
 528                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 529                 needsUpdate |= cursorDownParagraph(cur);
 530                 break;
 531
 532         case LFUN_SCREEN_UP:
 533         case LFUN_SCREEN_UP_SELECT:
 534                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 535                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 536                         cur.undispatched();
 537                 else {
 538                         cursorPrevious(cur);
 539                 }
 540                 break;
 541
 542         case LFUN_SCREEN_DOWN:
 543         case LFUN_SCREEN_DOWN_SELECT:
 544                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 545                 if (cur.pit() == cur.lastpit()
 546                           && cur.textRow().endpos() == cur.lastpos())
 547                         cur.undispatched();
 548                 else {
 549                         cursorNext(cur);
 550                 }
 551                 break;
 552
 553         case LFUN_LINE_BEGIN:
 554         case LFUN_LINE_BEGIN_SELECT:
 555                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 556                 needsUpdate |= cursorHome(cur);
 557                 break;
 558
 559         case LFUN_LINE_END:
 560         case LFUN_LINE_END_SELECT:
 561                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 562                 needsUpdate |= cursorEnd(cur);
 563                 break;
 564
 565         case LFUN_WORD_FORWARD:
 566         case LFUN_WORD_FORWARD_SELECT:
 567                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 568                 if (reverseDirectionNeeded(cur))
 569                         needsUpdate |= cursorLeftOneWord(cur);
 570                 else
 571                         needsUpdate |= cursorRightOneWord(cur);
 572                 break;
 573
 574         case LFUN_WORD_BACKWARD:
 575         case LFUN_WORD_BACKWARD_SELECT:
 576                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 577                 if (reverseDirectionNeeded(cur))
 578                         needsUpdate |= cursorRightOneWord(cur);
 579                 else
 580                         needsUpdate |= cursorLeftOneWord(cur);
 581                 break;
 582
 583         case LFUN_WORD_SELECT: {
 584                 selectWord(cur, WHOLE_WORD);
 585                 finishChange(cur, true);
 586                 break;
 587         }
 588
 589         case LFUN_BREAK_LINE: {
 590                 // Not allowed by LaTeX (labels or empty par)
 591                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 592                         // this avoids a double undo
 593                         // FIXME: should not be needed, ideally
 594                         if (!cur.selection())
 595                                 recordUndo(cur);
 596                         cap::replaceSelection(cur);
 597                         cur.insert(new InsetNewline);
 598                         cur.posRight();
 599                         moveCursor(cur, false);
 600                 }
 601                 break;
 602         }
 603
 604         case LFUN_CHAR_DELETE_FORWARD:
 605                 if (!cur.selection()) {
 606                         if (cur.pos() == cur.paragraph().size())
 607                                 // Par boundary, force full-screen update
 608                                 singleParUpdate = false;
 609                         needsUpdate |= erase(cur);
 610                         cur.resetAnchor();
 611                         // It is possible to make it a lot faster still
 612                         // just comment out the line below...
 613                 } else {
 614                         cutSelection(cur, true, false);
 615                         singleParUpdate = false;
 616                 }
 617                 moveCursor(cur, false);
 618                 break;
 619
 620         case LFUN_DELETE_FORWARD_SKIP:
 621                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 622                 if (!cur.selection()) {
 623                         if (cur.pos() == cur.lastpos()) {
 624                                 cursorRight(cur);
 625                                 cursorLeft(cur);
 626                         }
 627                         erase(cur);
 628                         cur.resetAnchor();
 629                 } else {
 630                         cutSelection(cur, true, false);
 631                 }
 632                 break;
 633
 634
 635         case LFUN_CHAR_DELETE_BACKWARD:
 636                 if (!cur.selection()) {
 637                         if (bv->getIntl().getTransManager().backspace()) {
 638                                 // Par boundary, full-screen update
 639                                 if (cur.pos() == 0)
 640                                         singleParUpdate = false;
 641                                 needsUpdate |= backspace(cur);
 642                                 cur.resetAnchor();
 643                                 // It is possible to make it a lot faster still
 644                                 // just comment out the line below...
 645                         }
 646                 } else {
 647                         cutSelection(cur, true, false);
 648                         singleParUpdate = false;
 649                 }
 650                 break;
 651
 652         case LFUN_DELETE_BACKWARD_SKIP:
 653                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 654                 if (!cur.selection()) {
 655 #ifdef WITH_WARNINGS
 656 #warning look here
 657 #endif
 658                         //CursorSlice cur = cursor();
 659                         backspace(cur);
 660                         //anchor() = cur;
 661                 } else {
 662                         cutSelection(cur, true, false);
 663                 }
 664                 break;
 665
 666         case LFUN_BREAK_PARAGRAPH:
 667                 cap::replaceSelection(cur);
 668                 breakParagraph(cur, 0);
 669                 cur.resetAnchor();
 670                 break;
 671
 672         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 673                 cap::replaceSelection(cur);
 674                 breakParagraph(cur, 1);
 675                 cur.resetAnchor();
 676                 break;
 677
 678         case LFUN_BREAK_PARAGRAPH_SKIP: {
 679                 // When at the beginning of a paragraph, remove
 680                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 681                 cap::replaceSelection(cur);
 682                 if (cur.pos() == 0)
 683                         cur.paragraph().params().labelWidthString(docstring());
 684                 else
 685                         breakParagraph(cur, 0);
 686                 cur.resetAnchor();
 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                 finishUndo();
 830                 break;
 831
 832         case LFUN_CUT:
 833                 cutSelection(cur, true, true);
 834                 cur.message(_("Cut"));
 835                 break;
 836
 837         case LFUN_COPY:
 838                 copySelection(cur);
 839                 cur.message(_("Copy"));
 840                 break;
 841
 842         case LFUN_SERVER_GET_XY:
 843                 cur.message(from_utf8(
 844                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 845                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 846                 break;
 847
 848         case LFUN_SERVER_SET_XY: {
 849                 int x = 0;
 850                 int y = 0;
 851                 istringstream is(to_utf8(cmd.argument()));
 852                 is >> x >> y;
 853                 if (!is)
 854                         lyxerr << "SETXY: Could not parse coordinates in '"
 855                                << to_utf8(cmd.argument()) << std::endl;
 856                 else
 857                         setCursorFromCoordinates(cur, x, y);
 858                 break;
 859         }
 860
 861         case LFUN_SERVER_GET_FONT:
 862                 if (current_font.shape() == Font::ITALIC_SHAPE)
 863                         cur.message(from_ascii("E"));
 864                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 865                         cur.message(from_ascii("N"));
 866                 else
 867                         cur.message(from_ascii("0"));
 868                 break;
 869
 870         case LFUN_SERVER_GET_LAYOUT:
 871                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 872                 break;
 873
 874         case LFUN_LAYOUT: {
 875                 string layout = to_ascii(cmd.argument());
 876                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << layout << endl;
 877
 878                 // Derive layout number from given argument (string)
 879                 // and current buffer's textclass (number)
 880                 TextClass const & tclass = bv->buffer()->params().getTextClass();
 881                 if (layout.empty())
 882                         layout = tclass.defaultLayoutName();
 883                 bool hasLayout = tclass.hasLayout(layout);
 884
 885                 // If the entry is obsolete, use the new one instead.
 886                 if (hasLayout) {
 887                         string const & obs = tclass[layout]->obsoleted_by();
 888                         if (!obs.empty())
 889                                 layout = obs;
 890                 }
 891
 892                 if (!hasLayout) {
 893                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 894                                 from_utf8(N_(" not known")));
 895                         break;
 896                 }
 897
 898                 bool change_layout = (current_layout != layout);
 899
 900                 if (!change_layout && cur.selection() &&
 901                         cur.selBegin().pit() != cur.selEnd().pit())
 902                 {
 903                         pit_type spit = cur.selBegin().pit();
 904                         pit_type epit = cur.selEnd().pit() + 1;
 905                         while (spit != epit) {
 906                                 if (pars_[spit].layout()->name() != current_layout) {
 907                                         change_layout = true;
 908                                         break;
 909                                 }
 910                                 ++spit;
 911                         }
 912                 }
 913
 914                 if (change_layout) {
 915                         setLayout(cur, layout);
 916                         // inform the GUI that the layout has changed.
 917                         bv->layoutChanged(layout);
 918                 }
 919                 break;
 920         }
 921
 922         case LFUN_CLIPBOARD_PASTE:
 923                 cur.clearSelection();
 924                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 925                                cmd.argument() == "paragraph");
 926                 bv->buffer()->errors("Paste");
 927                 break;
 928
 929         case LFUN_PRIMARY_SELECTION_PASTE:
 930                 pasteString(cur, theSelection().get(),
 931                             cmd.argument() == "paragraph");
 932                 break;
 933
 934         case LFUN_UNICODE_INSERT: {
 935                 if (cmd.argument().empty())
 936                         break;
 937                 docstring hexstring = cmd.argument();
 938                 if (lyx::support::isHex(hexstring)) {
 939                         char_type c = lyx::support::hexToInt(hexstring);
 940                         if (c >= 32 && c < 0x10ffff) {
 941                                 lyxerr << "Inserting c: " << c << endl;
 942                                 docstring s = docstring(1, c);
 943                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 944                         }
 945                 }
 946                 break;
 947         }
 948
 949         case LFUN_QUOTE_INSERT: {
 950                 Paragraph & par = cur.paragraph();
 951                 pos_type pos = cur.pos();
 952                 BufferParams const & bufparams = bv->buffer()->params();
 953                 Layout_ptr const & style = par.layout();
 954                 if (!style->pass_thru
 955                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 956                         // this avoids a double undo
 957                         // FIXME: should not be needed, ideally
 958                         if (!cur.selection())
 959                                 recordUndo(cur);
 960                         cap::replaceSelection(cur);
 961                         pos = cur.pos();
 962                         char_type c;
 963                         if (pos == 0)
 964                                 c = ' ';
 965                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 966                                 c = ' ';
 967                         else
 968                                 c = par.getChar(pos - 1);
 969                         string arg = to_utf8(cmd.argument());
 970                         if (arg == "single")
 971                                 cur.insert(new InsetQuotes(c,
 972                                     bufparams.quotes_language,
 973                                     InsetQuotes::SingleQ));
 974                         else
 975                                 cur.insert(new InsetQuotes(c,
 976                                     bufparams.quotes_language,
 977                                     InsetQuotes::DoubleQ));
 978                         cur.posRight();
 979                 }
 980                 else
 981                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 982                 break;
 983         }
 984
 985         case LFUN_DATE_INSERT:
 986                 if (cmd.argument().empty())
 987                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 988                                 formatted_time(current_time())));
 989                 else
 990                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 991                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 992                 break;
 993
 994         case LFUN_MOUSE_TRIPLE:
 995                 if (cmd.button() == mouse_button::button1) {
 996                         cursorHome(cur);
 997                         cur.resetAnchor();
 998                         cursorEnd(cur);
 999                         cur.setSelection();
1000                         bv->cursor() = cur;
1001                 }
1002                 break;
1003
1004         case LFUN_MOUSE_DOUBLE:
1005                 if (cmd.button() == mouse_button::button1) {
1006                         selectWord(cur, WHOLE_WORD_STRICT);
1007                         bv->cursor() = cur;
1008                 }
1009                 break;
1010
1011         // Single-click on work area
1012         case LFUN_MOUSE_PRESS: {
1013                 // Right click on a footnote flag opens float menu
1014                 if (cmd.button() == mouse_button::button3)
1015                         cur.clearSelection();
1016
1017                 // Middle button press pastes if we have a selection
1018                 // We do this here as if the selection was inside an inset
1019                 // it could get cleared on the unlocking of the inset so
1020                 // we have to check this first
1021                 bool paste_internally = false;
1022                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1023                         // Copy the selection buffer to the clipboard
1024                         // stack, because we want it to appear in the
1025                         // "Edit->Paste recent" menu.
1026                         cap::copySelectionToStack();
1027                         paste_internally = true;
1028                 }
1029
1030                 // Insert primary selection with middle mouse
1031                 // if there is a local selection in the current buffer,
1032                 // insert this
1033                 if (cmd.button() == mouse_button::button2) {
1034                         if (paste_internally) {
1035                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1036                                 bv->buffer()->errors("Paste");
1037                                 cur.clearSelection(); // bug 393
1038                                 bv->buffer()->markDirty();
1039                                 finishUndo();
1040                         } else {
1041                                 bv->mouseSetCursor(cur);
1042                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1043                         }
1044                 }
1045
1046                 // we have to update after dePM triggered
1047                 bool update = bv->mouseSetCursor(cur);
1048
1049                 if (!update && cmd.button() == mouse_button::button1) {
1050                         needsUpdate = false;
1051                         cur.noUpdate();
1052                 }
1053
1054                 break;
1055         }
1056
1057         case LFUN_MOUSE_MOTION: {
1058                 // Only use motion with button 1
1059                 //if (cmd.button() != mouse_button::button1)
1060                 //      return false;
1061
1062                 // ignore motions deeper nested than the real anchor
1063                 Cursor & bvcur = cur.bv().cursor();
1064                 if (bvcur.anchor_.hasPart(cur)) {
1065                         CursorSlice old = bvcur.top();
1066
1067                         int const wh = bv->workHeight();
1068                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1069
1070                         setCursorFromCoordinates(cur, cmd.x, y);
1071                         cur.setTargetX(cmd.x);
1072                         if (cmd.y >= wh)
1073                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1074                         else if (cmd.y < 0)
1075                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1076                         // This is to allow jumping over large insets
1077                         if (cur.top() == old) {
1078                                 if (cmd.y >= wh)
1079                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1080                                 else if (cmd.y < 0)
1081                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1082                         }
1083
1084                         if (cur.top() == old)
1085                                 cur.noUpdate();
1086                         else {
1087                                 // don't set anchor_
1088                                 bvcur.setCursor(cur);
1089                                 bvcur.selection() = true;
1090                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1091                         }
1092
1093                 } else
1094                         cur.undispatched();
1095                 break;
1096         }
1097
1098         case LFUN_MOUSE_RELEASE: {
1099                 if (cmd.button() == mouse_button::button2)
1100                         break;
1101
1102                 if (cmd.button() == mouse_button::button1) {
1103                         // if there is new selection, update persistent
1104                         // selection, otherwise, single click does not
1105                         // clear persistent selection buffer
1106                         if (cur.selection()) {
1107                                 // finish selection
1108                                 // if double click, cur is moved to the end of word by selectWord
1109                                 // but bvcur is current mouse position
1110                                 Cursor & bvcur = cur.bv().cursor();
1111                                 bvcur.selection() = true;
1112                         }
1113                         needsUpdate = false;
1114                         cur.noUpdate();
1115                 }
1116
1117                 break;
1118         }
1119
1120         case LFUN_SELF_INSERT: {
1121                 if (cmd.argument().empty())
1122                         break;
1123
1124                 // Automatically delete the currently selected
1125                 // text and replace it with what is being
1126                 // typed in now. Depends on lyxrc settings
1127                 // "auto_region_delete", which defaults to
1128                 // true (on).
1129
1130                 if (lyxrc.auto_region_delete && cur.selection()) {
1131                         cutSelection(cur, false, false);
1132                         // When change tracking is set to off, the metrics update
1133                         // mechanism correctly detects if a full update is needed or not.
1134                         // This detection fails when a selection spans multiple rows and
1135                         // change tracking is enabled because the paragraph metrics stays
1136                         // the same. In this case, we force the full update:
1137                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1138                         if (cur.buffer().params().trackChanges)
1139                                 cur.updateFlags(Update::Force);
1140                 }
1141
1142                 cur.clearSelection();
1143                 Font const old_font = real_current_font;
1144
1145                 docstring::const_iterator cit = cmd.argument().begin();
1146                 docstring::const_iterator end = cmd.argument().end();
1147                 for (; cit != end; ++cit)
1148                         bv->translateAndInsert(*cit, this, cur);
1149
1150                 cur.resetAnchor();
1151                 moveCursor(cur, false);
1152                 break;
1153         }
1154
1155         case LFUN_URL_INSERT: {
1156                 InsetCommandParams p("url");
1157                 string const data = InsetCommandMailer::params2string("url", p);
1158                 bv->showInsetDialog("url", data, 0);
1159                 break;
1160         }
1161
1162         case LFUN_HTML_INSERT: {
1163                 InsetCommandParams p("htmlurl");
1164                 string const data = InsetCommandMailer::params2string("url", p);
1165                 bv->showInsetDialog("url", data, 0);
1166                 break;
1167         }
1168
1169         case LFUN_LABEL_INSERT: {
1170                 InsetCommandParams p("label");
1171                 // Try to generate a valid label
1172                 p["name"] = (cmd.argument().empty()) ?
1173                         cur.getPossibleLabel() :
1174                         cmd.argument();
1175                 string const data = InsetCommandMailer::params2string("label", p);
1176
1177                 if (cmd.argument().empty()) {
1178                         bv->showInsetDialog("label", data, 0);
1179                 } else {
1180                         FuncRequest fr(LFUN_INSET_INSERT, data);
1181                         dispatch(cur, fr);
1182                 }
1183                 break;
1184         }
1185
1186
1187 #if 0
1188         case LFUN_LIST_INSERT:
1189         case LFUN_THEOREM_INSERT:
1190 #endif
1191         case LFUN_CAPTION_INSERT:
1192                 // Open the inset, and move the current selection
1193                 // inside it.
1194                 doInsertInset(cur, this, cmd, true, true);
1195                 cur.posRight();
1196                 updateLabels(*bv->buffer());
1197                 break;
1198         case LFUN_NOTE_INSERT:
1199         case LFUN_CHARSTYLE_INSERT:
1200         case LFUN_BOX_INSERT:
1201         case LFUN_BRANCH_INSERT:
1202         case LFUN_BIBITEM_INSERT:
1203         case LFUN_ERT_INSERT:
1204         case LFUN_LISTING_INSERT:
1205         case LFUN_FOOTNOTE_INSERT:
1206         case LFUN_MARGINALNOTE_INSERT:
1207         case LFUN_OPTIONAL_INSERT:
1208         case LFUN_ENVIRONMENT_INSERT:
1209                 // Open the inset, and move the current selection
1210                 // inside it.
1211                 doInsertInset(cur, this, cmd, true, true);
1212                 cur.posRight();
1213                 break;
1214
1215         case LFUN_TABULAR_INSERT:
1216                 // if there were no arguments, just open the dialog
1217                 if (doInsertInset(cur, this, cmd, false, true))
1218                         cur.posRight();
1219                 else
1220                         bv->showDialog("tabularcreate");
1221
1222                 break;
1223
1224         case LFUN_FLOAT_INSERT:
1225         case LFUN_FLOAT_WIDE_INSERT:
1226         case LFUN_WRAP_INSERT: {
1227                 bool content = cur.selection();  // will some text be moved into the inset?
1228
1229                 doInsertInset(cur, this, cmd, true, true);
1230                 cur.posRight();
1231                 ParagraphList & pars = cur.text()->paragraphs();
1232
1233                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1234
1235                 // add a separate paragraph for the caption inset
1236                 pars.push_back(Paragraph());
1237                 pars.back().setInsetOwner(pars[0].inInset());
1238                 pars.back().layout(tclass.defaultLayout());
1239
1240                 int cap_pit = pars.size() - 1;
1241
1242                 // if an empty inset was created, we create an additional empty
1243                 // paragraph at the bottom so that the user can choose where to put
1244                 // the graphics (or table).
1245                 if (!content) {
1246                         pars.push_back(Paragraph());
1247                         pars.back().setInsetOwner(pars[0].inInset());
1248                         pars.back().layout(tclass.defaultLayout());
1249
1250                 }
1251
1252                 // reposition the cursor to the caption
1253                 cur.pit() = cap_pit;
1254                 cur.pos() = 0;
1255                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1256                 // FIXME: When leaving the Float (or Wrap) inset we should
1257                 // delete any empty paragraph left above or below the
1258                 // caption.
1259                 break;
1260         }
1261
1262         case LFUN_INDEX_INSERT:
1263         case LFUN_NOMENCL_INSERT: {
1264                 Inset * inset = createInset(&cur.bv(), cmd);
1265                 if (!inset)
1266                         break;
1267                 recordUndo(cur);
1268                 cur.clearSelection();
1269                 insertInset(cur, inset);
1270                 inset->edit(cur, true);
1271                 // Show the dialog for the nomenclature entry, since the
1272                 // description entry still needs to be filled in.
1273                 if (cmd.action == LFUN_NOMENCL_INSERT)
1274                         InsetCommandMailer("nomenclature",
1275                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1276                 cur.posRight();
1277                 break;
1278         }
1279
1280         case LFUN_INDEX_PRINT:
1281         case LFUN_NOMENCL_PRINT:
1282         case LFUN_TOC_INSERT:
1283         case LFUN_HFILL_INSERT:
1284         case LFUN_LINE_INSERT:
1285         case LFUN_PAGEBREAK_INSERT:
1286         case LFUN_CLEARPAGE_INSERT:
1287         case LFUN_CLEARDOUBLEPAGE_INSERT:
1288                 // do nothing fancy
1289                 doInsertInset(cur, this, cmd, false, false);
1290                 cur.posRight();
1291                 break;
1292
1293         case LFUN_DEPTH_DECREMENT:
1294                 changeDepth(cur, DEC_DEPTH);
1295                 break;
1296
1297         case LFUN_DEPTH_INCREMENT:
1298                 changeDepth(cur, INC_DEPTH);
1299                 break;
1300
1301         case LFUN_MATH_DISPLAY:
1302                 mathDispatch(cur, cmd, true);
1303                 break;
1304
1305         case LFUN_MATH_IMPORT_SELECTION:
1306         case LFUN_MATH_MODE:
1307                 if (cmd.argument() == "on")
1308                         // don't pass "on" as argument
1309                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1310                 else
1311                         mathDispatch(cur, cmd, false);
1312                 break;
1313
1314         case LFUN_MATH_MACRO:
1315                 if (cmd.argument().empty())
1316                         cur.errorMessage(from_utf8(N_("Missing argument")));
1317                 else {
1318                         string s = to_utf8(cmd.argument());
1319                         string const s1 = token(s, ' ', 1);
1320                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1321                         string const s2 = token(s, ' ', 2);
1322                         string const type = s2.empty() ? "newcommand" : s2;
1323                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1324                         //cur.nextInset()->edit(cur, true);
1325                 }
1326                 break;
1327
1328         // passthrough hat and underscore outside mathed:
1329         case LFUN_MATH_SUBSCRIPT:
1330                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1331                 break;
1332         case LFUN_MATH_SUPERSCRIPT:
1333                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1334                 break;
1335
1336         case LFUN_MATH_INSERT:
1337         case LFUN_MATH_MATRIX:
1338         case LFUN_MATH_DELIM:
1339         case LFUN_MATH_BIGDELIM: {
1340                 cur.insert(new InsetMathHull(hullSimple));
1341                 checkAndActivateInset(cur, true);
1342                 BOOST_ASSERT(cur.inMathed());
1343                 cur.dispatch(cmd);
1344                 break;
1345         }
1346
1347         case LFUN_FONT_EMPH: {
1348                 Font font(Font::ALL_IGNORE);
1349                 font.setEmph(Font::TOGGLE);
1350                 toggleAndShow(cur, this, font);
1351                 break;
1352         }
1353
1354         case LFUN_FONT_BOLD: {
1355                 Font font(Font::ALL_IGNORE);
1356                 font.setSeries(Font::BOLD_SERIES);
1357                 toggleAndShow(cur, this, font);
1358                 break;
1359         }
1360
1361         case LFUN_FONT_NOUN: {
1362                 Font font(Font::ALL_IGNORE);
1363                 font.setNoun(Font::TOGGLE);
1364                 toggleAndShow(cur, this, font);
1365                 break;
1366         }
1367
1368         case LFUN_FONT_CODE: {
1369                 Font font(Font::ALL_IGNORE);
1370                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1371                 toggleAndShow(cur, this, font);
1372                 break;
1373         }
1374
1375         case LFUN_FONT_SANS: {
1376                 Font font(Font::ALL_IGNORE);
1377                 font.setFamily(Font::SANS_FAMILY);
1378                 toggleAndShow(cur, this, font);
1379                 break;
1380         }
1381
1382         case LFUN_FONT_ROMAN: {
1383                 Font font(Font::ALL_IGNORE);
1384                 font.setFamily(Font::ROMAN_FAMILY);
1385                 toggleAndShow(cur, this, font);
1386                 break;
1387         }
1388
1389         case LFUN_FONT_DEFAULT: {
1390                 Font font(Font::ALL_INHERIT, ignore_language);
1391                 toggleAndShow(cur, this, font);
1392                 break;
1393         }
1394
1395         case LFUN_FONT_UNDERLINE: {
1396                 Font font(Font::ALL_IGNORE);
1397                 font.setUnderbar(Font::TOGGLE);
1398                 toggleAndShow(cur, this, font);
1399                 break;
1400         }
1401
1402         case LFUN_FONT_SIZE: {
1403                 Font font(Font::ALL_IGNORE);
1404                 font.setLyXSize(to_utf8(cmd.argument()));
1405                 toggleAndShow(cur, this, font);
1406                 break;
1407         }
1408
1409         case LFUN_LANGUAGE: {
1410                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1411                 if (!lang)
1412                         break;
1413                 Font font(Font::ALL_IGNORE);
1414                 font.setLanguage(lang);
1415                 toggleAndShow(cur, this, font);
1416                 break;
1417         }
1418
1419         case LFUN_FONT_FREE_APPLY:
1420                 toggleAndShow(cur, this, freefont, toggleall);
1421                 cur.message(_("Character set"));
1422                 break;
1423
1424         // Set the freefont using the contents of \param data dispatched from
1425         // the frontends and apply it at the current cursor location.
1426         case LFUN_FONT_FREE_UPDATE: {
1427                 Font font;
1428                 bool toggle;
1429                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1430                         freefont = font;
1431                         toggleall = toggle;
1432                         toggleAndShow(cur, this, freefont, toggleall);
1433                         cur.message(_("Character set"));
1434                 }
1435                 break;
1436         }
1437
1438         case LFUN_FINISHED_LEFT:
1439                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1440                 if (reverseDirectionNeeded(cur))
1441                         ++cur.pos();
1442                 break;
1443
1444         case LFUN_FINISHED_RIGHT:
1445                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1446                 if (!reverseDirectionNeeded(cur))
1447                         ++cur.pos();
1448                 break;
1449
1450         case LFUN_LAYOUT_PARAGRAPH: {
1451                 string data;
1452                 params2string(cur.paragraph(), data);
1453                 data = "show\n" + data;
1454                 bv->showDialogWithData("paragraph", data);
1455                 break;
1456         }
1457
1458         case LFUN_PARAGRAPH_UPDATE: {
1459                 string data;
1460                 params2string(cur.paragraph(), data);
1461
1462                 // Will the paragraph accept changes from the dialog?
1463                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1464
1465                 data = "update " + convert<string>(accept) + '\n' + data;
1466                 bv->updateDialog("paragraph", data);
1467                 break;
1468         }
1469
1470         case LFUN_ACCENT_UMLAUT:
1471         case LFUN_ACCENT_CIRCUMFLEX:
1472         case LFUN_ACCENT_GRAVE:
1473         case LFUN_ACCENT_ACUTE:
1474         case LFUN_ACCENT_TILDE:
1475         case LFUN_ACCENT_CEDILLA:
1476         case LFUN_ACCENT_MACRON:
1477         case LFUN_ACCENT_DOT:
1478         case LFUN_ACCENT_UNDERDOT:
1479         case LFUN_ACCENT_UNDERBAR:
1480         case LFUN_ACCENT_CARON:
1481         case LFUN_ACCENT_SPECIAL_CARON:
1482         case LFUN_ACCENT_BREVE:
1483         case LFUN_ACCENT_TIE:
1484         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1485         case LFUN_ACCENT_CIRCLE:
1486         case LFUN_ACCENT_OGONEK:
1487                 theLyXFunc().handleKeyFunc(cmd.action);
1488                 if (!cmd.argument().empty())
1489                         // FIXME: Are all these characters encoded in one byte in utf8?
1490                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1491                 break;
1492
1493         case LFUN_FLOAT_LIST: {
1494                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1495                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1496                         // not quite sure if we want this...
1497                         recordUndo(cur);
1498                         cur.clearSelection();
1499                         breakParagraph(cur);
1500
1501                         if (cur.lastpos() != 0) {
1502                                 cursorLeft(cur);
1503                                 breakParagraph(cur);
1504                         }
1505
1506                         setLayout(cur, tclass.defaultLayoutName());
1507                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1508                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1509                         cur.posRight();
1510                 } else {
1511                         lyxerr << "Non-existent float type: "
1512                                << to_utf8(cmd.argument()) << endl;
1513                 }
1514                 break;
1515         }
1516
1517         case LFUN_CHANGE_ACCEPT: {
1518                 acceptOrRejectChanges(cur, ACCEPT);
1519                 break;
1520         }
1521
1522         case LFUN_CHANGE_REJECT: {
1523                 acceptOrRejectChanges(cur, REJECT);
1524                 break;
1525         }
1526
1527         case LFUN_THESAURUS_ENTRY: {
1528                 docstring arg = cmd.argument();
1529                 if (arg.empty()) {
1530                         arg = cur.selectionAsString(false);
1531                         // FIXME
1532                         if (arg.size() > 100 || arg.empty()) {
1533                                 // Get word or selection
1534                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1535                                 arg = cur.selectionAsString(false);
1536                         }
1537                 }
1538                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1539                 break;
1540         }
1541
1542         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1543                 // Given data, an encoding of the ParagraphParameters
1544                 // generated in the Paragraph dialog, this function sets
1545                 // the current paragraph appropriately.
1546                 istringstream is(to_utf8(cmd.argument()));
1547                 Lexer lex(0, 0);
1548                 lex.setStream(is);
1549                 ParagraphParameters params;
1550                 params.read(lex);
1551                 setParagraph(cur,
1552                              params.spacing(),
1553                              params.align(),
1554                              params.labelWidthString(),
1555                              params.noindent());
1556                 cur.message(_("Paragraph layout set"));
1557                 break;
1558         }
1559
1560         case LFUN_ESCAPE:
1561                 if (cur.selection()) {
1562                         cur.selection() = false;
1563                 } else {
1564                         cur.undispatched();
1565                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1566                 }
1567                 break;
1568
1569         default:
1570                 LYXERR(Debug::ACTION)
1571                         << BOOST_CURRENT_FUNCTION
1572                         << ": Command " << cmd
1573                         << " not DISPATCHED by Text" << endl;
1574                 cur.undispatched();
1575                 break;
1576         }
1577
1578         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1579
1580         // FIXME: The cursor flag is reset two lines below
1581         // so we need to check here if some of the LFUN did touch that.
1582         // for now only Text::erase() and Text::backspace() do that.
1583         // The plan is to verify all the LFUNs and then to remove this
1584         // singleParUpdate boolean altogether.
1585         if (cur.result().update() & Update::Force) {
1586                 singleParUpdate = false;
1587                 needsUpdate = true;
1588         }
1589
1590         // FIXME: the following code should go in favor of fine grained
1591         // update flag treatment.
1592         if (singleParUpdate) {
1593                 // Inserting characters does not change par height
1594                 ParagraphMetrics const & pms
1595                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1596                 if (pms.dim().height()
1597                     == olddim.height()) {
1598                         // if so, update _only_ this paragraph
1599                         cur.updateFlags(Update::SinglePar |
1600                                 Update::FitCursor |
1601                                 Update::MultiParSel);
1602                         return;
1603                 } else
1604                         needsUpdate = true;
1605         }
1606
1607         if (!needsUpdate
1608             && &oldTopSlice.inset() == &cur.inset()
1609             && oldTopSlice.idx() == cur.idx()
1610             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1611             && !cur.selection())
1612                 // FIXME: it would be better if we could just do this
1613                 //
1614                 //if (cur.result().update() != Update::FitCursor)
1615                 //      cur.noUpdate();
1616                 //
1617                 // But some LFUNs do not set Update::FitCursor when needed, so we
1618                 // do it for all. This is not very harmfull as FitCursor will provoke
1619                 // a full redraw only if needed but still, a proper review of all LFUN
1620                 // should be done and this needsUpdate boolean can then be removed.
1621                 cur.updateFlags(Update::FitCursor);
1622         else
1623                 cur.updateFlags(Update::Force | Update::FitCursor);
1624 }
1625
1626
1627 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1628                         FuncStatus & flag) const
1629 {
1630         BOOST_ASSERT(cur.text() == this);
1631
1632         Font const & font = real_current_font;
1633         bool enable = true;
1634         Inset::Code code = Inset::NO_CODE;
1635
1636         switch (cmd.action) {
1637
1638         case LFUN_DEPTH_DECREMENT:
1639                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1640                 break;
1641
1642         case LFUN_DEPTH_INCREMENT:
1643                 enable = changeDepthAllowed(cur, INC_DEPTH);
1644                 break;
1645
1646         case LFUN_APPENDIX:
1647                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1648                 return true;
1649
1650         case LFUN_BIBITEM_INSERT:
1651                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1652                           && cur.pos() == 0);
1653                 break;
1654
1655         case LFUN_DIALOG_SHOW_NEW_INSET:
1656                 if (cmd.argument() == "bibitem")
1657                         code = Inset::BIBITEM_CODE;
1658                 else if (cmd.argument() == "bibtex")
1659                         code = Inset::BIBTEX_CODE;
1660                 else if (cmd.argument() == "box")
1661                         code = Inset::BOX_CODE;
1662                 else if (cmd.argument() == "branch")
1663                         code = Inset::BRANCH_CODE;
1664                 else if (cmd.argument() == "citation")
1665                         code = Inset::CITE_CODE;
1666                 else if (cmd.argument() == "ert")
1667                         code = Inset::ERT_CODE;
1668                 else if (cmd.argument() == "external")
1669                         code = Inset::EXTERNAL_CODE;
1670                 else if (cmd.argument() == "float")
1671                         code = Inset::FLOAT_CODE;
1672                 else if (cmd.argument() == "graphics")
1673                         code = Inset::GRAPHICS_CODE;
1674                 else if (cmd.argument() == "include")
1675                         code = Inset::INCLUDE_CODE;
1676                 else if (cmd.argument() == "index")
1677                         code = Inset::INDEX_CODE;
1678                 else if (cmd.argument() == "nomenclature")
1679                         code = Inset::NOMENCL_CODE;
1680                 else if (cmd.argument() == "label")
1681                         code = Inset::LABEL_CODE;
1682                 else if (cmd.argument() == "note")
1683                         code = Inset::NOTE_CODE;
1684                 else if (cmd.argument() == "ref")
1685                         code = Inset::REF_CODE;
1686                 else if (cmd.argument() == "toc")
1687                         code = Inset::TOC_CODE;
1688                 else if (cmd.argument() == "url")
1689                         code = Inset::URL_CODE;
1690                 else if (cmd.argument() == "vspace")
1691                         code = Inset::VSPACE_CODE;
1692                 else if (cmd.argument() == "wrap")
1693                         code = Inset::WRAP_CODE;
1694                 else if (cmd.argument() == "listings")
1695                         code = Inset::LISTINGS_CODE;
1696                 break;
1697
1698         case LFUN_ERT_INSERT:
1699                 code = Inset::ERT_CODE;
1700                 break;
1701         case LFUN_LISTING_INSERT:
1702             code = Inset::LISTINGS_CODE;
1703                 break;
1704         case LFUN_FOOTNOTE_INSERT:
1705                 code = Inset::FOOT_CODE;
1706                 break;
1707         case LFUN_TABULAR_INSERT:
1708                 code = Inset::TABULAR_CODE;
1709                 break;
1710         case LFUN_MARGINALNOTE_INSERT:
1711                 code = Inset::MARGIN_CODE;
1712                 break;
1713         case LFUN_FLOAT_INSERT:
1714         case LFUN_FLOAT_WIDE_INSERT:
1715                 code = Inset::FLOAT_CODE;
1716                 break;
1717         case LFUN_WRAP_INSERT:
1718                 code = Inset::WRAP_CODE;
1719                 break;
1720         case LFUN_FLOAT_LIST:
1721                 code = Inset::FLOAT_LIST_CODE;
1722                 break;
1723 #if 0
1724         case LFUN_LIST_INSERT:
1725                 code = Inset::LIST_CODE;
1726                 break;
1727         case LFUN_THEOREM_INSERT:
1728                 code = Inset::THEOREM_CODE;
1729                 break;
1730 #endif
1731         case LFUN_CAPTION_INSERT:
1732                 code = Inset::CAPTION_CODE;
1733                 break;
1734         case LFUN_NOTE_INSERT:
1735                 code = Inset::NOTE_CODE;
1736                 break;
1737         case LFUN_CHARSTYLE_INSERT:
1738                 code = Inset::CHARSTYLE_CODE;
1739                 if (cur.buffer().params().getTextClass().charstyles().empty())
1740                         enable = false;
1741                 break;
1742         case LFUN_BOX_INSERT:
1743                 code = Inset::BOX_CODE;
1744                 break;
1745         case LFUN_BRANCH_INSERT:
1746                 code = Inset::BRANCH_CODE;
1747                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1748                         enable = false;
1749                 break;
1750         case LFUN_LABEL_INSERT:
1751                 code = Inset::LABEL_CODE;
1752                 break;
1753         case LFUN_OPTIONAL_INSERT:
1754                 code = Inset::OPTARG_CODE;
1755                 enable = numberOfOptArgs(cur.paragraph())
1756                         < cur.paragraph().layout()->optionalargs;
1757                 break;
1758         case LFUN_ENVIRONMENT_INSERT:
1759                 code = Inset::BOX_CODE;
1760                 break;
1761         case LFUN_INDEX_INSERT:
1762                 code = Inset::INDEX_CODE;
1763                 break;
1764         case LFUN_INDEX_PRINT:
1765                 code = Inset::INDEX_PRINT_CODE;
1766                 break;
1767         case LFUN_NOMENCL_INSERT:
1768                 code = Inset::NOMENCL_CODE;
1769                 break;
1770         case LFUN_NOMENCL_PRINT:
1771                 code = Inset::NOMENCL_PRINT_CODE;
1772                 break;
1773         case LFUN_TOC_INSERT:
1774                 code = Inset::TOC_CODE;
1775                 break;
1776         case LFUN_HTML_INSERT:
1777         case LFUN_URL_INSERT:
1778                 code = Inset::URL_CODE;
1779                 break;
1780         case LFUN_QUOTE_INSERT:
1781                 // always allow this, since we will inset a raw quote
1782                 // if an inset is not allowed.
1783                 break;
1784         case LFUN_HYPHENATION_POINT_INSERT:
1785         case LFUN_LIGATURE_BREAK_INSERT:
1786         case LFUN_HFILL_INSERT:
1787         case LFUN_MENU_SEPARATOR_INSERT:
1788         case LFUN_DOTS_INSERT:
1789         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1790                 code = Inset::SPECIALCHAR_CODE;
1791                 break;
1792         case LFUN_SPACE_INSERT:
1793                 // slight hack: we know this is allowed in math mode
1794                 if (cur.inTexted())
1795                         code = Inset::SPACE_CODE;
1796                 break;
1797
1798         case LFUN_INSET_MODIFY:
1799                 // We need to disable this, because we may get called for a
1800                 // tabular cell via
1801                 // InsetTabular::getStatus() -> InsetText::getStatus()
1802                 // and we don't handle LFUN_INSET_MODIFY.
1803                 enable = false;
1804                 break;
1805
1806         case LFUN_FONT_EMPH:
1807                 flag.setOnOff(font.emph() == Font::ON);
1808                 return true;
1809
1810         case LFUN_FONT_NOUN:
1811                 flag.setOnOff(font.noun() == Font::ON);
1812                 return true;
1813
1814         case LFUN_FONT_BOLD:
1815                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1816                 return true;
1817
1818         case LFUN_FONT_SANS:
1819                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1820                 return true;
1821
1822         case LFUN_FONT_ROMAN:
1823                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1824                 return true;
1825
1826         case LFUN_FONT_CODE:
1827                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1828                 return true;
1829
1830         case LFUN_CUT:
1831         case LFUN_COPY:
1832                 enable = cur.selection();
1833                 break;
1834
1835         case LFUN_PASTE:
1836                 if (cmd.argument().empty()) {
1837                         if (theClipboard().isInternal())
1838                                 enable = cap::numberOfSelections() > 0;
1839                         else
1840                                 enable = !theClipboard().empty();
1841                 } else {
1842                         string const arg = to_utf8(cmd.argument());
1843                         if (isStrUnsignedInt(arg)) {
1844                                 unsigned int n = convert<unsigned int>(arg);
1845                                 enable = cap::numberOfSelections() > n;
1846                         } else
1847                                 // unknown argument
1848                                 enable = false;
1849                 }
1850                 break;
1851
1852         case LFUN_CLIPBOARD_PASTE:
1853                 enable = !theClipboard().empty();
1854                 break;
1855
1856         case LFUN_PRIMARY_SELECTION_PASTE:
1857                 enable = cur.selection() || !theSelection().empty();
1858                 break;
1859
1860         case LFUN_PARAGRAPH_MOVE_UP:
1861                 enable = cur.pit() > 0 && !cur.selection();
1862                 break;
1863
1864         case LFUN_PARAGRAPH_MOVE_DOWN:
1865                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1866                 break;
1867
1868         case LFUN_INSET_DISSOLVE:
1869                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1870                 break;
1871
1872         case LFUN_CHANGE_ACCEPT:
1873         case LFUN_CHANGE_REJECT:
1874                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1875                 // In principle, these LFUNs should only be enabled if there
1876                 // is a change at the current position/in the current selection.
1877                 // However, without proper optimizations, this will inevitably
1878                 // result in unacceptable performance - just imagine a user who
1879                 // wants to select the complete content of a long document.
1880                 enable = true;
1881                 break;
1882
1883         case LFUN_WORD_DELETE_FORWARD:
1884         case LFUN_WORD_DELETE_BACKWARD:
1885         case LFUN_LINE_DELETE:
1886         case LFUN_WORD_FORWARD:
1887         case LFUN_WORD_BACKWARD:
1888         case LFUN_CHAR_FORWARD:
1889         case LFUN_CHAR_FORWARD_SELECT:
1890         case LFUN_CHAR_BACKWARD:
1891         case LFUN_CHAR_BACKWARD_SELECT:
1892         case LFUN_UP:
1893         case LFUN_UP_SELECT:
1894         case LFUN_DOWN:
1895         case LFUN_DOWN_SELECT:
1896         case LFUN_PARAGRAPH_UP_SELECT:
1897         case LFUN_PARAGRAPH_DOWN_SELECT:
1898         case LFUN_SCREEN_UP_SELECT:
1899         case LFUN_SCREEN_DOWN_SELECT:
1900         case LFUN_LINE_BEGIN_SELECT:
1901         case LFUN_LINE_END_SELECT:
1902         case LFUN_WORD_FORWARD_SELECT:
1903         case LFUN_WORD_BACKWARD_SELECT:
1904         case LFUN_WORD_SELECT:
1905         case LFUN_PARAGRAPH_UP:
1906         case LFUN_PARAGRAPH_DOWN:
1907         case LFUN_SCREEN_UP:
1908         case LFUN_SCREEN_DOWN:
1909         case LFUN_LINE_BEGIN:
1910         case LFUN_LINE_END:
1911         case LFUN_BREAK_LINE:
1912         case LFUN_CHAR_DELETE_FORWARD:
1913         case LFUN_DELETE_FORWARD_SKIP:
1914         case LFUN_CHAR_DELETE_BACKWARD:
1915         case LFUN_DELETE_BACKWARD_SKIP:
1916         case LFUN_BREAK_PARAGRAPH:
1917         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1918         case LFUN_BREAK_PARAGRAPH_SKIP:
1919         case LFUN_PARAGRAPH_SPACING:
1920         case LFUN_INSET_INSERT:
1921         case LFUN_WORD_UPCASE:
1922         case LFUN_WORD_LOWCASE:
1923         case LFUN_WORD_CAPITALIZE:
1924         case LFUN_CHARS_TRANSPOSE:
1925         case LFUN_SERVER_GET_XY:
1926         case LFUN_SERVER_SET_XY:
1927         case LFUN_SERVER_GET_FONT:
1928         case LFUN_SERVER_GET_LAYOUT:
1929         case LFUN_LAYOUT:
1930         case LFUN_DATE_INSERT:
1931         case LFUN_SELF_INSERT:
1932         case LFUN_LINE_INSERT:
1933         case LFUN_PAGEBREAK_INSERT:
1934         case LFUN_CLEARPAGE_INSERT:
1935         case LFUN_CLEARDOUBLEPAGE_INSERT:
1936         case LFUN_MATH_DISPLAY:
1937         case LFUN_MATH_IMPORT_SELECTION:
1938         case LFUN_MATH_MODE:
1939         case LFUN_MATH_MACRO:
1940         case LFUN_MATH_MATRIX:
1941         case LFUN_MATH_DELIM:
1942         case LFUN_MATH_BIGDELIM:
1943         case LFUN_MATH_INSERT:
1944         case LFUN_MATH_SUBSCRIPT:
1945         case LFUN_MATH_SUPERSCRIPT:
1946         case LFUN_FONT_DEFAULT:
1947         case LFUN_FONT_UNDERLINE:
1948         case LFUN_FONT_SIZE:
1949         case LFUN_LANGUAGE:
1950         case LFUN_FONT_FREE_APPLY:
1951         case LFUN_FONT_FREE_UPDATE:
1952         case LFUN_LAYOUT_PARAGRAPH:
1953         case LFUN_PARAGRAPH_UPDATE:
1954         case LFUN_ACCENT_UMLAUT:
1955         case LFUN_ACCENT_CIRCUMFLEX:
1956         case LFUN_ACCENT_GRAVE:
1957         case LFUN_ACCENT_ACUTE:
1958         case LFUN_ACCENT_TILDE:
1959         case LFUN_ACCENT_CEDILLA:
1960         case LFUN_ACCENT_MACRON:
1961         case LFUN_ACCENT_DOT:
1962         case LFUN_ACCENT_UNDERDOT:
1963         case LFUN_ACCENT_UNDERBAR:
1964         case LFUN_ACCENT_CARON:
1965         case LFUN_ACCENT_SPECIAL_CARON:
1966         case LFUN_ACCENT_BREVE:
1967         case LFUN_ACCENT_TIE:
1968         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1969         case LFUN_ACCENT_CIRCLE:
1970         case LFUN_ACCENT_OGONEK:
1971         case LFUN_THESAURUS_ENTRY:
1972         case LFUN_PARAGRAPH_PARAMS_APPLY:
1973         case LFUN_ESCAPE:
1974         case LFUN_BUFFER_END:
1975         case LFUN_BUFFER_BEGIN:
1976         case LFUN_BUFFER_BEGIN_SELECT:
1977         case LFUN_BUFFER_END_SELECT:
1978         case LFUN_UNICODE_INSERT:
1979                 // these are handled in our dispatch()
1980                 enable = true;
1981                 break;
1982
1983         default:
1984                 return false;
1985         }
1986
1987         if (code != Inset::NO_CODE
1988             && (cur.empty() || !cur.inset().insetAllowed(code)))
1989                 enable = false;
1990
1991         flag.enabled(enable);
1992         return true;
1993 }
1994
1995
1996 void Text::pasteString(Cursor & cur, docstring const & clip,
1997                 bool asParagraphs)
1998 {
1999         cur.clearSelection();
2000         if (!clip.empty()) {
2001                 recordUndo(cur);
2002                 if (asParagraphs)
2003                         insertStringAsParagraphs(cur, clip);
2004                 else
2005                         insertStringAsLines(cur, clip);
2006         }
2007 }
2008
2009 } // namespace lyx