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 docstring 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                 // FIXME: this don't work for multipart document!
 403                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 404                         if (pars_[tmp].params().startOfAppendix()) {
 405                                 recUndo(cur, tmp);
 406                                 pars_[tmp].params().startOfAppendix(false);
 407                                 break;
 408                         }
 409                 }
 410
 411                 recordUndo(cur);
 412                 par.params().startOfAppendix(start);
 413
 414                 // we can set the refreshing parameters now
 415                 updateLabels(cur.buffer());
 416                 break;
 417         }
 418
 419         case LFUN_WORD_DELETE_FORWARD:
 420                 if (cur.selection()) {
 421                         cutSelection(cur, true, false);
 422                 } else
 423                         deleteWordForward(cur);
 424                 finishChange(cur, false);
 425                 break;
 426
 427         case LFUN_WORD_DELETE_BACKWARD:
 428                 if (cur.selection()) {
 429                         cutSelection(cur, true, false);
 430                 } else
 431                         deleteWordBackward(cur);
 432                 finishChange(cur, false);
 433                 break;
 434
 435         case LFUN_LINE_DELETE:
 436                 if (cur.selection()) {
 437                         cutSelection(cur, true, false);
 438                 } else
 439                         deleteLineForward(cur);
 440                 finishChange(cur, false);
 441                 break;
 442
 443         case LFUN_BUFFER_BEGIN:
 444         case LFUN_BUFFER_BEGIN_SELECT:
 445                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 446                 if (cur.depth() == 1) {
 447                         needsUpdate |= cursorTop(cur);
 448                 } else {
 449                         cur.undispatched();
 450                 }
 451                 break;
 452
 453         case LFUN_BUFFER_END:
 454         case LFUN_BUFFER_END_SELECT:
 455                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 456                 if (cur.depth() == 1) {
 457                         needsUpdate |= cursorBottom(cur);
 458                 } else {
 459                         cur.undispatched();
 460                 }
 461                 break;
 462
 463         case LFUN_CHAR_FORWARD:
 464         case LFUN_CHAR_FORWARD_SELECT:
 465                 //lyxerr << BOOST_CURRENT_FUNCTION
 466                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 467                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 468                 if (reverseDirectionNeeded(cur))
 469                         needsUpdate |= cursorLeft(cur);
 470                 else
 471                         needsUpdate |= cursorRight(cur);
 472
 473                 if (!needsUpdate && oldTopSlice == cur.top()
 474                                 && cur.boundary() == oldBoundary) {
 475                         cur.undispatched();
 476                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 477                 }
 478                 break;
 479
 480         case LFUN_CHAR_BACKWARD:
 481         case LFUN_CHAR_BACKWARD_SELECT:
 482                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 483                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 484                 if (reverseDirectionNeeded(cur))
 485                         needsUpdate |= cursorRight(cur);
 486                 else
 487                         needsUpdate |= cursorLeft(cur);
 488
 489                 if (!needsUpdate && oldTopSlice == cur.top()
 490                         && cur.boundary() == oldBoundary) {
 491                         cur.undispatched();
 492                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 493                 }
 494                 break;
 495
 496         case LFUN_UP_SELECT:
 497         case LFUN_DOWN_SELECT:
 498         case LFUN_UP:
 499         case LFUN_DOWN: {
 500                 // stop/start the selection
 501                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 502                         cmd.action == LFUN_UP_SELECT;
 503                 cur.selHandle(select);
 504
 505                 // move cursor up/down
 506                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 507                 bool const successful = cur.upDownInText(up, needsUpdate);
 508                 if (successful) {
 509                         // notify insets which were left and get their update flags
 510                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 511                         cur.fixIfBroken();
 512
 513                         // redraw if you leave mathed (for the decorations)
 514                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 515                 } else
 516                         cur.undispatched();
 517
 518                 break;
 519         }
 520
 521         case LFUN_PARAGRAPH_UP:
 522         case LFUN_PARAGRAPH_UP_SELECT:
 523                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 524                 needsUpdate |= cursorUpParagraph(cur);
 525                 break;
 526
 527         case LFUN_PARAGRAPH_DOWN:
 528         case LFUN_PARAGRAPH_DOWN_SELECT:
 529                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 530                 needsUpdate |= cursorDownParagraph(cur);
 531                 break;
 532
 533         case LFUN_SCREEN_UP:
 534         case LFUN_SCREEN_UP_SELECT:
 535                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 536                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 537                         cur.undispatched();
 538                 else {
 539                         cursorPrevious(cur);
 540                 }
 541                 break;
 542
 543         case LFUN_SCREEN_DOWN:
 544         case LFUN_SCREEN_DOWN_SELECT:
 545                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 546                 if (cur.pit() == cur.lastpit()
 547                           && cur.textRow().endpos() == cur.lastpos())
 548                         cur.undispatched();
 549                 else {
 550                         cursorNext(cur);
 551                 }
 552                 break;
 553
 554         case LFUN_LINE_BEGIN:
 555         case LFUN_LINE_BEGIN_SELECT:
 556                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 557                 needsUpdate |= cursorHome(cur);
 558                 break;
 559
 560         case LFUN_LINE_END:
 561         case LFUN_LINE_END_SELECT:
 562                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 563                 needsUpdate |= cursorEnd(cur);
 564                 break;
 565
 566         case LFUN_WORD_FORWARD:
 567         case LFUN_WORD_FORWARD_SELECT:
 568                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 569                 if (reverseDirectionNeeded(cur))
 570                         needsUpdate |= cursorLeftOneWord(cur);
 571                 else
 572                         needsUpdate |= cursorRightOneWord(cur);
 573                 break;
 574
 575         case LFUN_WORD_BACKWARD:
 576         case LFUN_WORD_BACKWARD_SELECT:
 577                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 578                 if (reverseDirectionNeeded(cur))
 579                         needsUpdate |= cursorRightOneWord(cur);
 580                 else
 581                         needsUpdate |= cursorLeftOneWord(cur);
 582                 break;
 583
 584         case LFUN_WORD_SELECT: {
 585                 selectWord(cur, WHOLE_WORD);
 586                 finishChange(cur, true);
 587                 break;
 588         }
 589
 590         case LFUN_BREAK_LINE: {
 591                 // Not allowed by LaTeX (labels or empty par)
 592                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 593                         // this avoids a double undo
 594                         // FIXME: should not be needed, ideally
 595                         if (!cur.selection())
 596                                 recordUndo(cur);
 597                         cap::replaceSelection(cur);
 598                         cur.insert(new InsetNewline);
 599                         cur.posRight();
 600                         moveCursor(cur, false);
 601                 }
 602                 break;
 603         }
 604
 605         case LFUN_CHAR_DELETE_FORWARD:
 606                 if (!cur.selection()) {
 607                         if (cur.pos() == cur.paragraph().size())
 608                                 // Par boundary, force full-screen update
 609                                 singleParUpdate = false;
 610                         needsUpdate |= erase(cur);
 611                         cur.resetAnchor();
 612                         // It is possible to make it a lot faster still
 613                         // just comment out the line below...
 614                 } else {
 615                         cutSelection(cur, true, false);
 616                         singleParUpdate = false;
 617                 }
 618                 moveCursor(cur, false);
 619                 break;
 620
 621         case LFUN_DELETE_FORWARD_SKIP:
 622                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 623                 if (!cur.selection()) {
 624                         if (cur.pos() == cur.lastpos()) {
 625                                 cursorRight(cur);
 626                                 cursorLeft(cur);
 627                         }
 628                         erase(cur);
 629                         cur.resetAnchor();
 630                 } else {
 631                         cutSelection(cur, true, false);
 632                 }
 633                 break;
 634
 635
 636         case LFUN_CHAR_DELETE_BACKWARD:
 637                 if (!cur.selection()) {
 638                         if (bv->getIntl().getTransManager().backspace()) {
 639                                 // Par boundary, full-screen update
 640                                 if (cur.pos() == 0)
 641                                         singleParUpdate = false;
 642                                 needsUpdate |= backspace(cur);
 643                                 cur.resetAnchor();
 644                                 // It is possible to make it a lot faster still
 645                                 // just comment out the line below...
 646                         }
 647                 } else {
 648                         cutSelection(cur, true, false);
 649                         singleParUpdate = false;
 650                 }
 651                 break;
 652
 653         case LFUN_DELETE_BACKWARD_SKIP:
 654                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 655                 if (!cur.selection()) {
 656 #ifdef WITH_WARNINGS
 657 #warning look here
 658 #endif
 659                         //CursorSlice cur = cursor();
 660                         backspace(cur);
 661                         //anchor() = cur;
 662                 } else {
 663                         cutSelection(cur, true, false);
 664                 }
 665                 break;
 666
 667         case LFUN_BREAK_PARAGRAPH:
 668                 cap::replaceSelection(cur);
 669                 breakParagraph(cur, 0);
 670                 cur.resetAnchor();
 671                 break;
 672
 673         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 674                 cap::replaceSelection(cur);
 675                 breakParagraph(cur, 1);
 676                 cur.resetAnchor();
 677                 break;
 678
 679         case LFUN_BREAK_PARAGRAPH_SKIP: {
 680                 // When at the beginning of a paragraph, remove
 681                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 682                 cap::replaceSelection(cur);
 683                 if (cur.pos() == 0)
 684                         cur.paragraph().params().labelWidthString(docstring());
 685                 else
 686                         breakParagraph(cur, 0);
 687                 cur.resetAnchor();
 688                 break;
 689         }
 690
 691         case LFUN_PARAGRAPH_SPACING: {
 692                 Paragraph & par = cur.paragraph();
 693                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 694                 string cur_value = "1.0";
 695                 if (cur_spacing == Spacing::Other)
 696                         cur_value = par.params().spacing().getValueAsString();
 697
 698                 istringstream is(to_utf8(cmd.argument()));
 699                 string tmp;
 700                 is >> tmp;
 701                 Spacing::Space new_spacing = cur_spacing;
 702                 string new_value = cur_value;
 703                 if (tmp.empty()) {
 704                         lyxerr << "Missing argument to `paragraph-spacing'"
 705                                << endl;
 706                 } else if (tmp == "single") {
 707                         new_spacing = Spacing::Single;
 708                 } else if (tmp == "onehalf") {
 709                         new_spacing = Spacing::Onehalf;
 710                 } else if (tmp == "double") {
 711                         new_spacing = Spacing::Double;
 712                 } else if (tmp == "other") {
 713                         new_spacing = Spacing::Other;
 714                         string tmpval = "0.0";
 715                         is >> tmpval;
 716                         lyxerr << "new_value = " << tmpval << endl;
 717                         if (tmpval != "0.0")
 718                                 new_value = tmpval;
 719                 } else if (tmp == "default") {
 720                         new_spacing = Spacing::Default;
 721                 } else {
 722                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 723                                << to_utf8(cmd.argument()) << endl;
 724                 }
 725                 if (cur_spacing != new_spacing || cur_value != new_value)
 726                         par.params().spacing(Spacing(new_spacing, new_value));
 727                 break;
 728         }
 729
 730         case LFUN_INSET_INSERT: {
 731                 recordUndo(cur);
 732                 Inset * inset = createInset(bv, cmd);
 733                 if (inset) {
 734                         // FIXME (Abdel 01/02/2006):
 735                         // What follows would be a partial fix for bug 2154:
 736                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 737                         // This automatically put the label inset _after_ a
 738                         // numbered section. It should be possible to extend the mechanism
 739                         // to any kind of LateX environement.
 740                         // The correct way to fix that bug would be at LateX generation.
 741                         // I'll let the code here for reference as it could be used for some
 742                         // other feature like "automatic labelling".
 743                         /*
 744                         Paragraph & par = pars_[cur.pit()];
 745                         if (inset->lyxCode() == Inset::LABEL_CODE
 746                                 && par.layout()->labeltype == LABEL_COUNTER) {
 747                                 // Go to the end of the paragraph
 748                                 // Warning: Because of Change-Tracking, the last
 749                                 // position is 'size()' and not 'size()-1':
 750                                 cur.pos() = par.size();
 751                                 // Insert a new paragraph
 752                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 753                                 dispatch(cur, fr);
 754                         }
 755                         */
 756                         insertInset(cur, inset);
 757                         cur.posRight();
 758                 }
 759                 break;
 760         }
 761
 762         case LFUN_INSET_DISSOLVE:
 763                 needsUpdate |= dissolveInset(cur);
 764                 break;
 765
 766         case LFUN_INSET_SETTINGS:
 767                 cur.inset().showInsetDialog(bv);
 768                 break;
 769
 770         case LFUN_SPACE_INSERT:
 771                 if (cur.paragraph().layout()->free_spacing)
 772                         insertChar(cur, ' ');
 773                 else {
 774                         doInsertInset(cur, this, cmd, false, false);
 775                         cur.posRight();
 776                 }
 777                 moveCursor(cur, false);
 778                 break;
 779
 780         case LFUN_HYPHENATION_POINT_INSERT:
 781                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 782                 break;
 783
 784         case LFUN_LIGATURE_BREAK_INSERT:
 785                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 786                 break;
 787
 788         case LFUN_DOTS_INSERT:
 789                 specialChar(cur, InsetSpecialChar::LDOTS);
 790                 break;
 791
 792         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 793                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 794                 break;
 795
 796         case LFUN_MENU_SEPARATOR_INSERT:
 797                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 798                 break;
 799
 800         case LFUN_WORD_UPCASE:
 801                 changeCase(cur, Text::text_uppercase);
 802                 break;
 803
 804         case LFUN_WORD_LOWCASE:
 805                 changeCase(cur, Text::text_lowercase);
 806                 break;
 807
 808         case LFUN_WORD_CAPITALIZE:
 809                 changeCase(cur, Text::text_capitalization);
 810                 break;
 811
 812         case LFUN_CHARS_TRANSPOSE:
 813                 charsTranspose(cur);
 814                 break;
 815
 816         case LFUN_PASTE:
 817                 cur.message(_("Paste"));
 818                 cap::replaceSelection(cur);
 819                 if (cmd.argument().empty() && !theClipboard().isInternal())
 820                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 821                 else {
 822                         string const arg(to_utf8(cmd.argument()));
 823                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
 824                                         isStrUnsignedInt(arg) ?
 825                                                 convert<unsigned int>(arg) :
 826                                                 0);
 827                 }
 828                 bv->buffer()->errors("Paste");
 829                 cur.clearSelection(); // bug 393
 830                 finishUndo();
 831                 break;
 832
 833         case LFUN_CUT:
 834                 cutSelection(cur, true, true);
 835                 cur.message(_("Cut"));
 836                 break;
 837
 838         case LFUN_COPY:
 839                 copySelection(cur);
 840                 cur.message(_("Copy"));
 841                 break;
 842
 843         case LFUN_SERVER_GET_XY:
 844                 cur.message(from_utf8(
 845                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 846                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 847                 break;
 848
 849         case LFUN_SERVER_SET_XY: {
 850                 int x = 0;
 851                 int y = 0;
 852                 istringstream is(to_utf8(cmd.argument()));
 853                 is >> x >> y;
 854                 if (!is)
 855                         lyxerr << "SETXY: Could not parse coordinates in '"
 856                                << to_utf8(cmd.argument()) << std::endl;
 857                 else
 858                         setCursorFromCoordinates(cur, x, y);
 859                 break;
 860         }
 861
 862         case LFUN_SERVER_GET_FONT:
 863                 if (current_font.shape() == Font::ITALIC_SHAPE)
 864                         cur.message(from_ascii("E"));
 865                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 866                         cur.message(from_ascii("N"));
 867                 else
 868                         cur.message(from_ascii("0"));
 869                 break;
 870
 871         case LFUN_SERVER_GET_LAYOUT:
 872                 cur.message(cur.paragraph().layout()->name());
 873                 break;
 874
 875         case LFUN_LAYOUT: {
 876                 docstring layout = cmd.argument();
 877                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 878
 879                 // Derive layout number from given argument (string)
 880                 // and current buffer's textclass (number)
 881                 TextClass const & tclass = bv->buffer()->params().getTextClass();
 882                 if (layout.empty())
 883                         layout = tclass.defaultLayoutName();
 884                 bool hasLayout = tclass.hasLayout(layout);
 885
 886                 // If the entry is obsolete, use the new one instead.
 887                 if (hasLayout) {
 888                         docstring const & obs = tclass[layout]->obsoleted_by();
 889                         if (!obs.empty())
 890                                 layout = obs;
 891                 }
 892
 893                 if (!hasLayout) {
 894                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 895                                 from_utf8(N_(" not known")));
 896                         break;
 897                 }
 898
 899                 bool change_layout = (current_layout != layout);
 900
 901                 if (!change_layout && cur.selection() &&
 902                         cur.selBegin().pit() != cur.selEnd().pit())
 903                 {
 904                         pit_type spit = cur.selBegin().pit();
 905                         pit_type epit = cur.selEnd().pit() + 1;
 906                         while (spit != epit) {
 907                                 if (pars_[spit].layout()->name() != current_layout) {
 908                                         change_layout = true;
 909                                         break;
 910                                 }
 911                                 ++spit;
 912                         }
 913                 }
 914
 915                 if (change_layout) {
 916                         setLayout(cur, layout);
 917                         // inform the GUI that the layout has changed.
 918                         bv->layoutChanged(layout);
 919                 }
 920                 break;
 921         }
 922
 923         case LFUN_CLIPBOARD_PASTE:
 924                 cur.clearSelection();
 925                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 926                                cmd.argument() == "paragraph");
 927                 bv->buffer()->errors("Paste");
 928                 break;
 929
 930         case LFUN_PRIMARY_SELECTION_PASTE:
 931                 pasteString(cur, theSelection().get(),
 932                             cmd.argument() == "paragraph");
 933                 break;
 934
 935         case LFUN_UNICODE_INSERT: {
 936                 if (cmd.argument().empty())
 937                         break;
 938                 docstring hexstring = cmd.argument();
 939                 if (lyx::support::isHex(hexstring)) {
 940                         char_type c = lyx::support::hexToInt(hexstring);
 941                         if (c >= 32 && c < 0x10ffff) {
 942                                 lyxerr << "Inserting c: " << c << endl;
 943                                 docstring s = docstring(1, c);
 944                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 945                         }
 946                 }
 947                 break;
 948         }
 949
 950         case LFUN_QUOTE_INSERT: {
 951                 Paragraph & par = cur.paragraph();
 952                 pos_type pos = cur.pos();
 953                 BufferParams const & bufparams = bv->buffer()->params();
 954                 Layout_ptr const & style = par.layout();
 955                 if (!style->pass_thru
 956                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 957                         // this avoids a double undo
 958                         // FIXME: should not be needed, ideally
 959                         if (!cur.selection())
 960                                 recordUndo(cur);
 961                         cap::replaceSelection(cur);
 962                         pos = cur.pos();
 963                         char_type c;
 964                         if (pos == 0)
 965                                 c = ' ';
 966                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 967                                 c = ' ';
 968                         else
 969                                 c = par.getChar(pos - 1);
 970                         string arg = to_utf8(cmd.argument());
 971                         if (arg == "single")
 972                                 cur.insert(new InsetQuotes(c,
 973                                     bufparams.quotes_language,
 974                                     InsetQuotes::SingleQ));
 975                         else
 976                                 cur.insert(new InsetQuotes(c,
 977                                     bufparams.quotes_language,
 978                                     InsetQuotes::DoubleQ));
 979                         cur.posRight();
 980                 }
 981                 else
 982                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 983                 break;
 984         }
 985
 986         case LFUN_DATE_INSERT:
 987                 if (cmd.argument().empty())
 988                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 989                                 formatted_time(current_time())));
 990                 else
 991                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 992                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 993                 break;
 994
 995         case LFUN_MOUSE_TRIPLE:
 996                 if (cmd.button() == mouse_button::button1) {
 997                         cursorHome(cur);
 998                         cur.resetAnchor();
 999                         cursorEnd(cur);
1000                         cur.setSelection();
1001                         bv->cursor() = cur;
1002                 }
1003                 break;
1004
1005         case LFUN_MOUSE_DOUBLE:
1006                 if (cmd.button() == mouse_button::button1) {
1007                         selectWord(cur, WHOLE_WORD_STRICT);
1008                         bv->cursor() = cur;
1009                 }
1010                 break;
1011
1012         // Single-click on work area
1013         case LFUN_MOUSE_PRESS: {
1014                 // Right click on a footnote flag opens float menu
1015                 if (cmd.button() == mouse_button::button3)
1016                         cur.clearSelection();
1017
1018                 // Middle button press pastes if we have a selection
1019                 // We do this here as if the selection was inside an inset
1020                 // it could get cleared on the unlocking of the inset so
1021                 // we have to check this first
1022                 bool paste_internally = false;
1023                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1024                         // Copy the selection buffer to the clipboard
1025                         // stack, because we want it to appear in the
1026                         // "Edit->Paste recent" menu.
1027                         cap::copySelectionToStack();
1028                         paste_internally = true;
1029                 }
1030
1031                 // Insert primary selection with middle mouse
1032                 // if there is a local selection in the current buffer,
1033                 // insert this
1034                 if (cmd.button() == mouse_button::button2) {
1035                         if (paste_internally) {
1036                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1037                                 bv->buffer()->errors("Paste");
1038                                 cur.clearSelection(); // bug 393
1039                                 bv->buffer()->markDirty();
1040                                 finishUndo();
1041                         } else {
1042                                 bv->mouseSetCursor(cur);
1043                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1044                         }
1045                 }
1046
1047                 // we have to update after dePM triggered
1048                 bool update = bv->mouseSetCursor(cur);
1049
1050                 if (!update && cmd.button() == mouse_button::button1) {
1051                         needsUpdate = false;
1052                         cur.noUpdate();
1053                 }
1054
1055                 break;
1056         }
1057
1058         case LFUN_MOUSE_MOTION: {
1059                 // Only use motion with button 1
1060                 //if (cmd.button() != mouse_button::button1)
1061                 //      return false;
1062
1063                 // ignore motions deeper nested than the real anchor
1064                 Cursor & bvcur = cur.bv().cursor();
1065                 if (bvcur.anchor_.hasPart(cur)) {
1066                         CursorSlice old = bvcur.top();
1067
1068                         int const wh = bv->workHeight();
1069                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1070
1071                         setCursorFromCoordinates(cur, cmd.x, y);
1072                         cur.setTargetX(cmd.x);
1073                         if (cmd.y >= wh)
1074                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1075                         else if (cmd.y < 0)
1076                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1077                         // This is to allow jumping over large insets
1078                         if (cur.top() == old) {
1079                                 if (cmd.y >= wh)
1080                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1081                                 else if (cmd.y < 0)
1082                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1083                         }
1084
1085                         if (cur.top() == old)
1086                                 cur.noUpdate();
1087                         else {
1088                                 // don't set anchor_
1089                                 bvcur.setCursor(cur);
1090                                 bvcur.selection() = true;
1091                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1092                         }
1093
1094                 } else
1095                         cur.undispatched();
1096                 break;
1097         }
1098
1099         case LFUN_MOUSE_RELEASE: {
1100                 if (cmd.button() == mouse_button::button2)
1101                         break;
1102
1103                 if (cmd.button() == mouse_button::button1) {
1104                         // if there is new selection, update persistent
1105                         // selection, otherwise, single click does not
1106                         // clear persistent selection buffer
1107                         if (cur.selection()) {
1108                                 // finish selection
1109                                 // if double click, cur is moved to the end of word by selectWord
1110                                 // but bvcur is current mouse position
1111                                 Cursor & bvcur = cur.bv().cursor();
1112                                 bvcur.selection() = true;
1113                         }
1114                         needsUpdate = false;
1115                         cur.noUpdate();
1116                 }
1117
1118                 break;
1119         }
1120
1121         case LFUN_SELF_INSERT: {
1122                 if (cmd.argument().empty())
1123                         break;
1124
1125                 // Automatically delete the currently selected
1126                 // text and replace it with what is being
1127                 // typed in now. Depends on lyxrc settings
1128                 // "auto_region_delete", which defaults to
1129                 // true (on).
1130
1131                 if (lyxrc.auto_region_delete && cur.selection()) {
1132                         cutSelection(cur, false, false);
1133                         // When change tracking is set to off, the metrics update
1134                         // mechanism correctly detects if a full update is needed or not.
1135                         // This detection fails when a selection spans multiple rows and
1136                         // change tracking is enabled because the paragraph metrics stays
1137                         // the same. In this case, we force the full update:
1138                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1139                         if (cur.buffer().params().trackChanges)
1140                                 cur.updateFlags(Update::Force);
1141                 }
1142
1143                 cur.clearSelection();
1144                 Font const old_font = real_current_font;
1145
1146                 docstring::const_iterator cit = cmd.argument().begin();
1147                 docstring::const_iterator end = cmd.argument().end();
1148                 for (; cit != end; ++cit)
1149                         bv->translateAndInsert(*cit, this, cur);
1150
1151                 cur.resetAnchor();
1152                 moveCursor(cur, false);
1153                 break;
1154         }
1155
1156         case LFUN_URL_INSERT: {
1157                 InsetCommandParams p("url");
1158                 string const data = InsetCommandMailer::params2string("url", p);
1159                 bv->showInsetDialog("url", data, 0);
1160                 break;
1161         }
1162
1163         case LFUN_HTML_INSERT: {
1164                 InsetCommandParams p("htmlurl");
1165                 string const data = InsetCommandMailer::params2string("url", p);
1166                 bv->showInsetDialog("url", data, 0);
1167                 break;
1168         }
1169
1170         case LFUN_LABEL_INSERT: {
1171                 InsetCommandParams p("label");
1172                 // Try to generate a valid label
1173                 p["name"] = (cmd.argument().empty()) ?
1174                         cur.getPossibleLabel() :
1175                         cmd.argument();
1176                 string const data = InsetCommandMailer::params2string("label", p);
1177
1178                 if (cmd.argument().empty()) {
1179                         bv->showInsetDialog("label", data, 0);
1180                 } else {
1181                         FuncRequest fr(LFUN_INSET_INSERT, data);
1182                         dispatch(cur, fr);
1183                 }
1184                 break;
1185         }
1186
1187
1188 #if 0
1189         case LFUN_LIST_INSERT:
1190         case LFUN_THEOREM_INSERT:
1191 #endif
1192         case LFUN_CAPTION_INSERT:
1193                 // Open the inset, and move the current selection
1194                 // inside it.
1195                 doInsertInset(cur, this, cmd, true, true);
1196                 cur.posRight();
1197                 updateLabels(*bv->buffer());
1198                 break;
1199         case LFUN_NOTE_INSERT:
1200         case LFUN_CHARSTYLE_INSERT:
1201         case LFUN_BOX_INSERT:
1202         case LFUN_BRANCH_INSERT:
1203         case LFUN_BIBITEM_INSERT:
1204         case LFUN_ERT_INSERT:
1205         case LFUN_LISTING_INSERT:
1206         case LFUN_FOOTNOTE_INSERT:
1207         case LFUN_MARGINALNOTE_INSERT:
1208         case LFUN_OPTIONAL_INSERT:
1209         case LFUN_ENVIRONMENT_INSERT:
1210                 // Open the inset, and move the current selection
1211                 // inside it.
1212                 doInsertInset(cur, this, cmd, true, true);
1213                 cur.posRight();
1214                 break;
1215
1216         case LFUN_TABULAR_INSERT:
1217                 // if there were no arguments, just open the dialog
1218                 if (doInsertInset(cur, this, cmd, false, true))
1219                         cur.posRight();
1220                 else
1221                         bv->showDialog("tabularcreate");
1222
1223                 break;
1224
1225         case LFUN_FLOAT_INSERT:
1226         case LFUN_FLOAT_WIDE_INSERT:
1227         case LFUN_WRAP_INSERT: {
1228                 bool content = cur.selection();  // will some text be moved into the inset?
1229
1230                 doInsertInset(cur, this, cmd, true, true);
1231                 cur.posRight();
1232                 ParagraphList & pars = cur.text()->paragraphs();
1233
1234                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1235
1236                 // add a separate paragraph for the caption inset
1237                 pars.push_back(Paragraph());
1238                 pars.back().setInsetOwner(pars[0].inInset());
1239                 pars.back().layout(tclass.defaultLayout());
1240
1241                 int cap_pit = pars.size() - 1;
1242
1243                 // if an empty inset was created, we create an additional empty
1244                 // paragraph at the bottom so that the user can choose where to put
1245                 // the graphics (or table).
1246                 if (!content) {
1247                         pars.push_back(Paragraph());
1248                         pars.back().setInsetOwner(pars[0].inInset());
1249                         pars.back().layout(tclass.defaultLayout());
1250
1251                 }
1252
1253                 // reposition the cursor to the caption
1254                 cur.pit() = cap_pit;
1255                 cur.pos() = 0;
1256                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1257                 // FIXME: When leaving the Float (or Wrap) inset we should
1258                 // delete any empty paragraph left above or below the
1259                 // caption.
1260                 break;
1261         }
1262
1263         case LFUN_INDEX_INSERT:
1264         case LFUN_NOMENCL_INSERT: {
1265                 Inset * inset = createInset(&cur.bv(), cmd);
1266                 if (!inset)
1267                         break;
1268                 recordUndo(cur);
1269                 cur.clearSelection();
1270                 insertInset(cur, inset);
1271                 inset->edit(cur, true);
1272                 // Show the dialog for the nomenclature entry, since the
1273                 // description entry still needs to be filled in.
1274                 if (cmd.action == LFUN_NOMENCL_INSERT)
1275                         InsetCommandMailer("nomenclature",
1276                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1277                 cur.posRight();
1278                 break;
1279         }
1280
1281         case LFUN_INDEX_PRINT:
1282         case LFUN_NOMENCL_PRINT:
1283         case LFUN_TOC_INSERT:
1284         case LFUN_HFILL_INSERT:
1285         case LFUN_LINE_INSERT:
1286         case LFUN_PAGEBREAK_INSERT:
1287         case LFUN_CLEARPAGE_INSERT:
1288         case LFUN_CLEARDOUBLEPAGE_INSERT:
1289                 // do nothing fancy
1290                 doInsertInset(cur, this, cmd, false, false);
1291                 cur.posRight();
1292                 break;
1293
1294         case LFUN_DEPTH_DECREMENT:
1295                 changeDepth(cur, DEC_DEPTH);
1296                 break;
1297
1298         case LFUN_DEPTH_INCREMENT:
1299                 changeDepth(cur, INC_DEPTH);
1300                 break;
1301
1302         case LFUN_MATH_DISPLAY:
1303                 mathDispatch(cur, cmd, true);
1304                 break;
1305
1306         case LFUN_MATH_IMPORT_SELECTION:
1307         case LFUN_MATH_MODE:
1308                 if (cmd.argument() == "on")
1309                         // don't pass "on" as argument
1310                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1311                 else
1312                         mathDispatch(cur, cmd, false);
1313                 break;
1314
1315         case LFUN_MATH_MACRO:
1316                 if (cmd.argument().empty())
1317                         cur.errorMessage(from_utf8(N_("Missing argument")));
1318                 else {
1319                         string s = to_utf8(cmd.argument());
1320                         string const s1 = token(s, ' ', 1);
1321                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1322                         string const s2 = token(s, ' ', 2);
1323                         string const type = s2.empty() ? "newcommand" : s2;
1324                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1325                         //cur.nextInset()->edit(cur, true);
1326                 }
1327                 break;
1328
1329         // passthrough hat and underscore outside mathed:
1330         case LFUN_MATH_SUBSCRIPT:
1331                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1332                 break;
1333         case LFUN_MATH_SUPERSCRIPT:
1334                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1335                 break;
1336
1337         case LFUN_MATH_INSERT:
1338         case LFUN_MATH_MATRIX:
1339         case LFUN_MATH_DELIM:
1340         case LFUN_MATH_BIGDELIM: {
1341                 cur.insert(new InsetMathHull(hullSimple));
1342                 checkAndActivateInset(cur, true);
1343                 BOOST_ASSERT(cur.inMathed());
1344                 cur.dispatch(cmd);
1345                 break;
1346         }
1347
1348         case LFUN_FONT_EMPH: {
1349                 Font font(Font::ALL_IGNORE);
1350                 font.setEmph(Font::TOGGLE);
1351                 toggleAndShow(cur, this, font);
1352                 break;
1353         }
1354
1355         case LFUN_FONT_BOLD: {
1356                 Font font(Font::ALL_IGNORE);
1357                 font.setSeries(Font::BOLD_SERIES);
1358                 toggleAndShow(cur, this, font);
1359                 break;
1360         }
1361
1362         case LFUN_FONT_NOUN: {
1363                 Font font(Font::ALL_IGNORE);
1364                 font.setNoun(Font::TOGGLE);
1365                 toggleAndShow(cur, this, font);
1366                 break;
1367         }
1368
1369         case LFUN_FONT_CODE: {
1370                 Font font(Font::ALL_IGNORE);
1371                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1372                 toggleAndShow(cur, this, font);
1373                 break;
1374         }
1375
1376         case LFUN_FONT_SANS: {
1377                 Font font(Font::ALL_IGNORE);
1378                 font.setFamily(Font::SANS_FAMILY);
1379                 toggleAndShow(cur, this, font);
1380                 break;
1381         }
1382
1383         case LFUN_FONT_ROMAN: {
1384                 Font font(Font::ALL_IGNORE);
1385                 font.setFamily(Font::ROMAN_FAMILY);
1386                 toggleAndShow(cur, this, font);
1387                 break;
1388         }
1389
1390         case LFUN_FONT_DEFAULT: {
1391                 Font font(Font::ALL_INHERIT, ignore_language);
1392                 toggleAndShow(cur, this, font);
1393                 break;
1394         }
1395
1396         case LFUN_FONT_UNDERLINE: {
1397                 Font font(Font::ALL_IGNORE);
1398                 font.setUnderbar(Font::TOGGLE);
1399                 toggleAndShow(cur, this, font);
1400                 break;
1401         }
1402
1403         case LFUN_FONT_SIZE: {
1404                 Font font(Font::ALL_IGNORE);
1405                 font.setLyXSize(to_utf8(cmd.argument()));
1406                 toggleAndShow(cur, this, font);
1407                 break;
1408         }
1409
1410         case LFUN_LANGUAGE: {
1411                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1412                 if (!lang)
1413                         break;
1414                 Font font(Font::ALL_IGNORE);
1415                 font.setLanguage(lang);
1416                 toggleAndShow(cur, this, font);
1417                 break;
1418         }
1419
1420         case LFUN_FONT_FREE_APPLY:
1421                 toggleAndShow(cur, this, freefont, toggleall);
1422                 cur.message(_("Character set"));
1423                 break;
1424
1425         // Set the freefont using the contents of \param data dispatched from
1426         // the frontends and apply it at the current cursor location.
1427         case LFUN_FONT_FREE_UPDATE: {
1428                 Font font;
1429                 bool toggle;
1430                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1431                         freefont = font;
1432                         toggleall = toggle;
1433                         toggleAndShow(cur, this, freefont, toggleall);
1434                         cur.message(_("Character set"));
1435                 }
1436                 break;
1437         }
1438
1439         case LFUN_FINISHED_LEFT:
1440                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1441                 if (reverseDirectionNeeded(cur))
1442                         ++cur.pos();
1443                 break;
1444
1445         case LFUN_FINISHED_RIGHT:
1446                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1447                 if (!reverseDirectionNeeded(cur))
1448                         ++cur.pos();
1449                 break;
1450
1451         case LFUN_LAYOUT_PARAGRAPH: {
1452                 string data;
1453                 params2string(cur.paragraph(), data);
1454                 data = "show\n" + data;
1455                 bv->showDialogWithData("paragraph", data);
1456                 break;
1457         }
1458
1459         case LFUN_PARAGRAPH_UPDATE: {
1460                 string data;
1461                 params2string(cur.paragraph(), data);
1462
1463                 // Will the paragraph accept changes from the dialog?
1464                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1465
1466                 data = "update " + convert<string>(accept) + '\n' + data;
1467                 bv->updateDialog("paragraph", data);
1468                 break;
1469         }
1470
1471         case LFUN_ACCENT_UMLAUT:
1472         case LFUN_ACCENT_CIRCUMFLEX:
1473         case LFUN_ACCENT_GRAVE:
1474         case LFUN_ACCENT_ACUTE:
1475         case LFUN_ACCENT_TILDE:
1476         case LFUN_ACCENT_CEDILLA:
1477         case LFUN_ACCENT_MACRON:
1478         case LFUN_ACCENT_DOT:
1479         case LFUN_ACCENT_UNDERDOT:
1480         case LFUN_ACCENT_UNDERBAR:
1481         case LFUN_ACCENT_CARON:
1482         case LFUN_ACCENT_SPECIAL_CARON:
1483         case LFUN_ACCENT_BREVE:
1484         case LFUN_ACCENT_TIE:
1485         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1486         case LFUN_ACCENT_CIRCLE:
1487         case LFUN_ACCENT_OGONEK:
1488                 theLyXFunc().handleKeyFunc(cmd.action);
1489                 if (!cmd.argument().empty())
1490                         // FIXME: Are all these characters encoded in one byte in utf8?
1491                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1492                 break;
1493
1494         case LFUN_FLOAT_LIST: {
1495                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1496                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1497                         // not quite sure if we want this...
1498                         recordUndo(cur);
1499                         cur.clearSelection();
1500                         breakParagraph(cur);
1501
1502                         if (cur.lastpos() != 0) {
1503                                 cursorLeft(cur);
1504                                 breakParagraph(cur);
1505                         }
1506
1507                         setLayout(cur, tclass.defaultLayoutName());
1508                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1509                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1510                         cur.posRight();
1511                 } else {
1512                         lyxerr << "Non-existent float type: "
1513                                << to_utf8(cmd.argument()) << endl;
1514                 }
1515                 break;
1516         }
1517
1518         case LFUN_CHANGE_ACCEPT: {
1519                 acceptOrRejectChanges(cur, ACCEPT);
1520                 break;
1521         }
1522
1523         case LFUN_CHANGE_REJECT: {
1524                 acceptOrRejectChanges(cur, REJECT);
1525                 break;
1526         }
1527
1528         case LFUN_THESAURUS_ENTRY: {
1529                 docstring arg = cmd.argument();
1530                 if (arg.empty()) {
1531                         arg = cur.selectionAsString(false);
1532                         // FIXME
1533                         if (arg.size() > 100 || arg.empty()) {
1534                                 // Get word or selection
1535                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1536                                 arg = cur.selectionAsString(false);
1537                         }
1538                 }
1539                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1540                 break;
1541         }
1542
1543         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1544                 // Given data, an encoding of the ParagraphParameters
1545                 // generated in the Paragraph dialog, this function sets
1546                 // the current paragraph appropriately.
1547                 istringstream is(to_utf8(cmd.argument()));
1548                 Lexer lex(0, 0);
1549                 lex.setStream(is);
1550                 ParagraphParameters params;
1551                 params.read(lex);
1552                 setParagraph(cur,
1553                              params.spacing(),
1554                              params.align(),
1555                              params.labelWidthString(),
1556                              params.noindent());
1557                 cur.message(_("Paragraph layout set"));
1558                 break;
1559         }
1560
1561         case LFUN_ESCAPE:
1562                 if (cur.selection()) {
1563                         cur.selection() = false;
1564                 } else {
1565                         cur.undispatched();
1566                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1567                 }
1568                 break;
1569
1570         default:
1571                 LYXERR(Debug::ACTION)
1572                         << BOOST_CURRENT_FUNCTION
1573                         << ": Command " << cmd
1574                         << " not DISPATCHED by Text" << endl;
1575                 cur.undispatched();
1576                 break;
1577         }
1578
1579         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1580
1581         // FIXME: The cursor flag is reset two lines below
1582         // so we need to check here if some of the LFUN did touch that.
1583         // for now only Text::erase() and Text::backspace() do that.
1584         // The plan is to verify all the LFUNs and then to remove this
1585         // singleParUpdate boolean altogether.
1586         if (cur.result().update() & Update::Force) {
1587                 singleParUpdate = false;
1588                 needsUpdate = true;
1589         }
1590
1591         // FIXME: the following code should go in favor of fine grained
1592         // update flag treatment.
1593         if (singleParUpdate) {
1594                 // Inserting characters does not change par height
1595                 ParagraphMetrics const & pms
1596                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1597                 if (pms.dim().height()
1598                     == olddim.height()) {
1599                         // if so, update _only_ this paragraph
1600                         cur.updateFlags(Update::SinglePar |
1601                                 Update::FitCursor |
1602                                 Update::MultiParSel);
1603                         return;
1604                 } else
1605                         needsUpdate = true;
1606         }
1607
1608         if (!needsUpdate
1609             && &oldTopSlice.inset() == &cur.inset()
1610             && oldTopSlice.idx() == cur.idx()
1611             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1612             && !cur.selection())
1613                 // FIXME: it would be better if we could just do this
1614                 //
1615                 //if (cur.result().update() != Update::FitCursor)
1616                 //      cur.noUpdate();
1617                 //
1618                 // But some LFUNs do not set Update::FitCursor when needed, so we
1619                 // do it for all. This is not very harmfull as FitCursor will provoke
1620                 // a full redraw only if needed but still, a proper review of all LFUN
1621                 // should be done and this needsUpdate boolean can then be removed.
1622                 cur.updateFlags(Update::FitCursor);
1623         else
1624                 cur.updateFlags(Update::Force | Update::FitCursor);
1625 }
1626
1627
1628 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1629                         FuncStatus & flag) const
1630 {
1631         BOOST_ASSERT(cur.text() == this);
1632
1633         Font const & font = real_current_font;
1634         bool enable = true;
1635         Inset::Code code = Inset::NO_CODE;
1636
1637         switch (cmd.action) {
1638
1639         case LFUN_DEPTH_DECREMENT:
1640                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1641                 break;
1642
1643         case LFUN_DEPTH_INCREMENT:
1644                 enable = changeDepthAllowed(cur, INC_DEPTH);
1645                 break;
1646
1647         case LFUN_APPENDIX:
1648                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1649                 return true;
1650
1651         case LFUN_BIBITEM_INSERT:
1652                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1653                           && cur.pos() == 0);
1654                 break;
1655
1656         case LFUN_DIALOG_SHOW_NEW_INSET:
1657                 if (cmd.argument() == "bibitem")
1658                         code = Inset::BIBITEM_CODE;
1659                 else if (cmd.argument() == "bibtex")
1660                         code = Inset::BIBTEX_CODE;
1661                 else if (cmd.argument() == "box")
1662                         code = Inset::BOX_CODE;
1663                 else if (cmd.argument() == "branch")
1664                         code = Inset::BRANCH_CODE;
1665                 else if (cmd.argument() == "citation")
1666                         code = Inset::CITE_CODE;
1667                 else if (cmd.argument() == "ert")
1668                         code = Inset::ERT_CODE;
1669                 else if (cmd.argument() == "external")
1670                         code = Inset::EXTERNAL_CODE;
1671                 else if (cmd.argument() == "float")
1672                         code = Inset::FLOAT_CODE;
1673                 else if (cmd.argument() == "graphics")
1674                         code = Inset::GRAPHICS_CODE;
1675                 else if (cmd.argument() == "include")
1676                         code = Inset::INCLUDE_CODE;
1677                 else if (cmd.argument() == "index")
1678                         code = Inset::INDEX_CODE;
1679                 else if (cmd.argument() == "nomenclature")
1680                         code = Inset::NOMENCL_CODE;
1681                 else if (cmd.argument() == "label")
1682                         code = Inset::LABEL_CODE;
1683                 else if (cmd.argument() == "note")
1684                         code = Inset::NOTE_CODE;
1685                 else if (cmd.argument() == "ref")
1686                         code = Inset::REF_CODE;
1687                 else if (cmd.argument() == "toc")
1688                         code = Inset::TOC_CODE;
1689                 else if (cmd.argument() == "url")
1690                         code = Inset::URL_CODE;
1691                 else if (cmd.argument() == "vspace")
1692                         code = Inset::VSPACE_CODE;
1693                 else if (cmd.argument() == "wrap")
1694                         code = Inset::WRAP_CODE;
1695                 else if (cmd.argument() == "listings")
1696                         code = Inset::LISTINGS_CODE;
1697                 break;
1698
1699         case LFUN_ERT_INSERT:
1700                 code = Inset::ERT_CODE;
1701                 break;
1702         case LFUN_LISTING_INSERT:
1703             code = Inset::LISTINGS_CODE;
1704                 break;
1705         case LFUN_FOOTNOTE_INSERT:
1706                 code = Inset::FOOT_CODE;
1707                 break;
1708         case LFUN_TABULAR_INSERT:
1709                 code = Inset::TABULAR_CODE;
1710                 break;
1711         case LFUN_MARGINALNOTE_INSERT:
1712                 code = Inset::MARGIN_CODE;
1713                 break;
1714         case LFUN_FLOAT_INSERT:
1715         case LFUN_FLOAT_WIDE_INSERT:
1716                 code = Inset::FLOAT_CODE;
1717                 break;
1718         case LFUN_WRAP_INSERT:
1719                 code = Inset::WRAP_CODE;
1720                 break;
1721         case LFUN_FLOAT_LIST:
1722                 code = Inset::FLOAT_LIST_CODE;
1723                 break;
1724 #if 0
1725         case LFUN_LIST_INSERT:
1726                 code = Inset::LIST_CODE;
1727                 break;
1728         case LFUN_THEOREM_INSERT:
1729                 code = Inset::THEOREM_CODE;
1730                 break;
1731 #endif
1732         case LFUN_CAPTION_INSERT:
1733                 code = Inset::CAPTION_CODE;
1734                 break;
1735         case LFUN_NOTE_INSERT:
1736                 code = Inset::NOTE_CODE;
1737                 break;
1738         case LFUN_CHARSTYLE_INSERT:
1739                 code = Inset::CHARSTYLE_CODE;
1740                 if (cur.buffer().params().getTextClass().charstyles().empty())
1741                         enable = false;
1742                 break;
1743         case LFUN_BOX_INSERT:
1744                 code = Inset::BOX_CODE;
1745                 break;
1746         case LFUN_BRANCH_INSERT:
1747                 code = Inset::BRANCH_CODE;
1748                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1749                         enable = false;
1750                 break;
1751         case LFUN_LABEL_INSERT:
1752                 code = Inset::LABEL_CODE;
1753                 break;
1754         case LFUN_OPTIONAL_INSERT:
1755                 code = Inset::OPTARG_CODE;
1756                 enable = numberOfOptArgs(cur.paragraph())
1757                         < cur.paragraph().layout()->optionalargs;
1758                 break;
1759         case LFUN_ENVIRONMENT_INSERT:
1760                 code = Inset::BOX_CODE;
1761                 break;
1762         case LFUN_INDEX_INSERT:
1763                 code = Inset::INDEX_CODE;
1764                 break;
1765         case LFUN_INDEX_PRINT:
1766                 code = Inset::INDEX_PRINT_CODE;
1767                 break;
1768         case LFUN_NOMENCL_INSERT:
1769                 code = Inset::NOMENCL_CODE;
1770                 break;
1771         case LFUN_NOMENCL_PRINT:
1772                 code = Inset::NOMENCL_PRINT_CODE;
1773                 break;
1774         case LFUN_TOC_INSERT:
1775                 code = Inset::TOC_CODE;
1776                 break;
1777         case LFUN_HTML_INSERT:
1778         case LFUN_URL_INSERT:
1779                 code = Inset::URL_CODE;
1780                 break;
1781         case LFUN_QUOTE_INSERT:
1782                 // always allow this, since we will inset a raw quote
1783                 // if an inset is not allowed.
1784                 break;
1785         case LFUN_HYPHENATION_POINT_INSERT:
1786         case LFUN_LIGATURE_BREAK_INSERT:
1787         case LFUN_HFILL_INSERT:
1788         case LFUN_MENU_SEPARATOR_INSERT:
1789         case LFUN_DOTS_INSERT:
1790         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1791                 code = Inset::SPECIALCHAR_CODE;
1792                 break;
1793         case LFUN_SPACE_INSERT:
1794                 // slight hack: we know this is allowed in math mode
1795                 if (cur.inTexted())
1796                         code = Inset::SPACE_CODE;
1797                 break;
1798
1799         case LFUN_INSET_MODIFY:
1800                 // We need to disable this, because we may get called for a
1801                 // tabular cell via
1802                 // InsetTabular::getStatus() -> InsetText::getStatus()
1803                 // and we don't handle LFUN_INSET_MODIFY.
1804                 enable = false;
1805                 break;
1806
1807         case LFUN_FONT_EMPH:
1808                 flag.setOnOff(font.emph() == Font::ON);
1809                 return true;
1810
1811         case LFUN_FONT_NOUN:
1812                 flag.setOnOff(font.noun() == Font::ON);
1813                 return true;
1814
1815         case LFUN_FONT_BOLD:
1816                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1817                 return true;
1818
1819         case LFUN_FONT_SANS:
1820                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1821                 return true;
1822
1823         case LFUN_FONT_ROMAN:
1824                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1825                 return true;
1826
1827         case LFUN_FONT_CODE:
1828                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1829                 return true;
1830
1831         case LFUN_CUT:
1832         case LFUN_COPY:
1833                 enable = cur.selection();
1834                 break;
1835
1836         case LFUN_PASTE:
1837                 if (cmd.argument().empty()) {
1838                         if (theClipboard().isInternal())
1839                                 enable = cap::numberOfSelections() > 0;
1840                         else
1841                                 enable = !theClipboard().empty();
1842                 } else {
1843                         string const arg = to_utf8(cmd.argument());
1844                         if (isStrUnsignedInt(arg)) {
1845                                 unsigned int n = convert<unsigned int>(arg);
1846                                 enable = cap::numberOfSelections() > n;
1847                         } else
1848                                 // unknown argument
1849                                 enable = false;
1850                 }
1851                 break;
1852
1853         case LFUN_CLIPBOARD_PASTE:
1854                 enable = !theClipboard().empty();
1855                 break;
1856
1857         case LFUN_PRIMARY_SELECTION_PASTE:
1858                 enable = cur.selection() || !theSelection().empty();
1859                 break;
1860
1861         case LFUN_PARAGRAPH_MOVE_UP:
1862                 enable = cur.pit() > 0 && !cur.selection();
1863                 break;
1864
1865         case LFUN_PARAGRAPH_MOVE_DOWN:
1866                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1867                 break;
1868
1869         case LFUN_INSET_DISSOLVE:
1870                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1871                 break;
1872
1873         case LFUN_CHANGE_ACCEPT:
1874         case LFUN_CHANGE_REJECT:
1875                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1876                 // In principle, these LFUNs should only be enabled if there
1877                 // is a change at the current position/in the current selection.
1878                 // However, without proper optimizations, this will inevitably
1879                 // result in unacceptable performance - just imagine a user who
1880                 // wants to select the complete content of a long document.
1881                 enable = true;
1882                 break;
1883
1884         case LFUN_WORD_DELETE_FORWARD:
1885         case LFUN_WORD_DELETE_BACKWARD:
1886         case LFUN_LINE_DELETE:
1887         case LFUN_WORD_FORWARD:
1888         case LFUN_WORD_BACKWARD:
1889         case LFUN_CHAR_FORWARD:
1890         case LFUN_CHAR_FORWARD_SELECT:
1891         case LFUN_CHAR_BACKWARD:
1892         case LFUN_CHAR_BACKWARD_SELECT:
1893         case LFUN_UP:
1894         case LFUN_UP_SELECT:
1895         case LFUN_DOWN:
1896         case LFUN_DOWN_SELECT:
1897         case LFUN_PARAGRAPH_UP_SELECT:
1898         case LFUN_PARAGRAPH_DOWN_SELECT:
1899         case LFUN_SCREEN_UP_SELECT:
1900         case LFUN_SCREEN_DOWN_SELECT:
1901         case LFUN_LINE_BEGIN_SELECT:
1902         case LFUN_LINE_END_SELECT:
1903         case LFUN_WORD_FORWARD_SELECT:
1904         case LFUN_WORD_BACKWARD_SELECT:
1905         case LFUN_WORD_SELECT:
1906         case LFUN_PARAGRAPH_UP:
1907         case LFUN_PARAGRAPH_DOWN:
1908         case LFUN_SCREEN_UP:
1909         case LFUN_SCREEN_DOWN:
1910         case LFUN_LINE_BEGIN:
1911         case LFUN_LINE_END:
1912         case LFUN_BREAK_LINE:
1913         case LFUN_CHAR_DELETE_FORWARD:
1914         case LFUN_DELETE_FORWARD_SKIP:
1915         case LFUN_CHAR_DELETE_BACKWARD:
1916         case LFUN_DELETE_BACKWARD_SKIP:
1917         case LFUN_BREAK_PARAGRAPH:
1918         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1919         case LFUN_BREAK_PARAGRAPH_SKIP:
1920         case LFUN_PARAGRAPH_SPACING:
1921         case LFUN_INSET_INSERT:
1922         case LFUN_WORD_UPCASE:
1923         case LFUN_WORD_LOWCASE:
1924         case LFUN_WORD_CAPITALIZE:
1925         case LFUN_CHARS_TRANSPOSE:
1926         case LFUN_SERVER_GET_XY:
1927         case LFUN_SERVER_SET_XY:
1928         case LFUN_SERVER_GET_FONT:
1929         case LFUN_SERVER_GET_LAYOUT:
1930         case LFUN_LAYOUT:
1931         case LFUN_DATE_INSERT:
1932         case LFUN_SELF_INSERT:
1933         case LFUN_LINE_INSERT:
1934         case LFUN_PAGEBREAK_INSERT:
1935         case LFUN_CLEARPAGE_INSERT:
1936         case LFUN_CLEARDOUBLEPAGE_INSERT:
1937         case LFUN_MATH_DISPLAY:
1938         case LFUN_MATH_IMPORT_SELECTION:
1939         case LFUN_MATH_MODE:
1940         case LFUN_MATH_MACRO:
1941         case LFUN_MATH_MATRIX:
1942         case LFUN_MATH_DELIM:
1943         case LFUN_MATH_BIGDELIM:
1944         case LFUN_MATH_INSERT:
1945         case LFUN_MATH_SUBSCRIPT:
1946         case LFUN_MATH_SUPERSCRIPT:
1947         case LFUN_FONT_DEFAULT:
1948         case LFUN_FONT_UNDERLINE:
1949         case LFUN_FONT_SIZE:
1950         case LFUN_LANGUAGE:
1951         case LFUN_FONT_FREE_APPLY:
1952         case LFUN_FONT_FREE_UPDATE:
1953         case LFUN_LAYOUT_PARAGRAPH:
1954         case LFUN_PARAGRAPH_UPDATE:
1955         case LFUN_ACCENT_UMLAUT:
1956         case LFUN_ACCENT_CIRCUMFLEX:
1957         case LFUN_ACCENT_GRAVE:
1958         case LFUN_ACCENT_ACUTE:
1959         case LFUN_ACCENT_TILDE:
1960         case LFUN_ACCENT_CEDILLA:
1961         case LFUN_ACCENT_MACRON:
1962         case LFUN_ACCENT_DOT:
1963         case LFUN_ACCENT_UNDERDOT:
1964         case LFUN_ACCENT_UNDERBAR:
1965         case LFUN_ACCENT_CARON:
1966         case LFUN_ACCENT_SPECIAL_CARON:
1967         case LFUN_ACCENT_BREVE:
1968         case LFUN_ACCENT_TIE:
1969         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1970         case LFUN_ACCENT_CIRCLE:
1971         case LFUN_ACCENT_OGONEK:
1972         case LFUN_THESAURUS_ENTRY:
1973         case LFUN_PARAGRAPH_PARAMS_APPLY:
1974         case LFUN_ESCAPE:
1975         case LFUN_BUFFER_END:
1976         case LFUN_BUFFER_BEGIN:
1977         case LFUN_BUFFER_BEGIN_SELECT:
1978         case LFUN_BUFFER_END_SELECT:
1979         case LFUN_UNICODE_INSERT:
1980                 // these are handled in our dispatch()
1981                 enable = true;
1982                 break;
1983
1984         default:
1985                 return false;
1986         }
1987
1988         if (code != Inset::NO_CODE
1989             && (cur.empty() || !cur.inset().insetAllowed(code)))
1990                 enable = false;
1991
1992         flag.enabled(enable);
1993         return true;
1994 }
1995
1996
1997 void Text::pasteString(Cursor & cur, docstring const & clip,
1998                 bool asParagraphs)
1999 {
2000         cur.clearSelection();
2001         if (!clip.empty()) {
2002                 recordUndo(cur);
2003                 if (asParagraphs)
2004                         insertStringAsParagraphs(cur, clip);
2005                 else
2006                         insertStringAsLines(cur, clip);
2007         }
2008 }
2009
2010 } // namespace lyx