src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "bufferview_funcs.h"
  28 #include "cursor.h"
  29 #include "coordcache.h"
  30 #include "CutAndPaste.h"
  31 #include "debug.h"
  32 #include "dispatchresult.h"
  33 #include "errorlist.h"
  34 #include "factory.h"
  35 #include "funcrequest.h"
  36 #include "gettext.h"
  37 #include "intl.h"
  38 #include "language.h"
  39 #include "LyXAction.h"
  40 #include "lyxfunc.h"
  41 #include "lyxlex.h"
  42 #include "lyxrc.h"
  43 #include "lyxrow.h"
  44 #include "paragraph.h"
  45 #include "paragraph_funcs.h"
  46 #include "ParagraphParameters.h"
  47 #include "undo.h"
  48 #include "vspace.h"
  49 #include "pariterator.h"
  50
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetfloatlist.h"
  56 #include "insets/insetnewline.h"
  57 #include "insets/insetquotes.h"
  58 #include "insets/insetspecialchar.h"
  59 #include "insets/insettext.h"
  60
  61 #include "support/lstrings.h"
  62 #include "support/lyxlib.h"
  63 #include "support/convert.h"
  64 #include "support/lyxtime.h"
  65
  66 #include "mathed/InsetMathHull.h"
  67 #include "mathed/MathMacroTemplate.h"
  68
  69 #include <boost/current_function.hpp>
  70
  71 #include <clocale>
  72 #include <sstream>
  73
  74
  75 namespace lyx {
  76
  77 using cap::copySelection;
  78 using cap::cutSelection;
  79 using cap::pasteFromStack;
  80 using cap::pasteClipboard;
  81 using cap::replaceSelection;
  82 using cap::saveSelection;
  83
  84 using support::isStrUnsignedInt;
  85 using support::token;
  86
  87 using std::endl;
  88 using std::string;
  89 using std::istringstream;
  90 using std::ostringstream;
  91
  92
  93 extern string current_layout;
  94
  95
  96 namespace {
  97
  98         // globals...
  99         LyXFont freefont(LyXFont::ALL_IGNORE);
 100         bool toggleall = false;
 101
 102
 103         void toggleAndShow(LCursor & cur, LyXText * text,
 104                 LyXFont const & font, bool toggleall = true)
 105         {
 106                 text->toggleFree(cur, font, toggleall);
 107
 108                 if (font.language() != ignore_language ||
 109                                 font.number() != LyXFont::IGNORE) {
 110                         Paragraph & par = cur.paragraph();
 111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 112                         if (cur.boundary() !=
 113                                         text->bidi.isBoundary(cur.buffer(), par,
 114                                                         cur.pos(),
 115                                                         text->real_current_font))
 116                                 text->setCursor(cur, cur.pit(), cur.pos(),
 117                                                 false, !cur.boundary());
 118                 }
 119         }
 120
 121
 122         void moveCursor(LCursor & cur, bool selecting)
 123         {
 124                 if (selecting || cur.mark())
 125                         cur.setSelection();
 126                 saveSelection(cur);
 127                 cur.bv().switchKeyMap();
 128         }
 129
 130
 131         void finishChange(LCursor & cur, bool selecting)
 132         {
 133                 finishUndo();
 134                 moveCursor(cur, selecting);
 135         }
 136
 137
 138         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 139         {
 140                 recordUndo(cur);
 141                 docstring sel = cur.selectionAsString(false);
 142
 143                 // It may happen that sel is empty but there is a selection
 144                 replaceSelection(cur);
 145
 146                 if (sel.empty()) {
 147 #ifdef ENABLE_ASSERTIONS
 148                         const int old_pos = cur.pos();
 149 #endif
 150                         cur.insert(new InsetMathHull(hullSimple));
 151                         BOOST_ASSERT(old_pos == cur.pos());
 152                         cur.nextInset()->edit(cur, true);
 153                         // don't do that also for LFUN_MATH_MODE
 154                         // unless you want end up with always changing
 155                         // to mathrm when opening an inlined inset --
 156                         // I really hate "LyXfunc overloading"...
 157                         if (display)
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                         // Avoid an unnecessary undo step if cmd.argument
 160                         // is empty
 161                         if (!cmd.argument().empty())
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                          cmd.argument()));
 164                 } else {
 165                         // create a macro if we see "\\newcommand"
 166                         // somewhere, and an ordinary formula
 167                         // otherwise
 168                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 169                             && sel.find(from_ascii("\\def")) == string::npos)
 170                         {
 171                                 InsetMathHull * formula = new InsetMathHull;
 172                                 istringstream is(to_utf8(sel));
 173                                 LyXLex lex(0, 0);
 174                                 lex.setStream(is);
 175                                 formula->read(cur.buffer(), lex);
 176                                 if (formula->getType() == hullNone)
 177                                         // Don't create pseudo formulas if
 178                                         // delimiters are left out
 179                                         formula->mutate(hullSimple);
 180                                 cur.insert(formula);
 181                         } else {
 182                                 cur.insert(new MathMacroTemplate(sel));
 183                         }
 184                 }
 185                 cur.message(from_utf8(N_("Math editor mode")));
 186         }
 187
 188 } // namespace anon
 189
 190
 191
 192 namespace bv_funcs {
 193
 194 string const freefont2string()
 195 {
 196         string data;
 197         if (font2string(freefont, toggleall, data))
 198                 return data;
 199         return string();
 200 }
 201
 202 }
 203
 204 void LyXText::cursorPrevious(LCursor & cur)
 205 {
 206         pos_type cpos = cur.pos();
 207         pit_type cpar = cur.pit();
 208
 209         int x = cur.x_target();
 210         setCursorFromCoordinates(cur, x, 0);
 211         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 212
 213         if (cpar == cur.pit() && cpos == cur.pos())
 214                 // we have a row which is taller than the workarea. The
 215                 // simplest solution is to move to the previous row instead.
 216                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 217
 218         finishUndo();
 219         cur.updateFlags(Update::Force | Update::FitCursor);
 220 }
 221
 222
 223 void LyXText::cursorNext(LCursor & cur)
 224 {
 225         pos_type cpos = cur.pos();
 226         pit_type cpar = cur.pit();
 227
 228         int x = cur.x_target();
 229         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 230         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 231
 232         if (cpar == cur.pit() && cpos == cur.pos())
 233                 // we have a row which is taller than the workarea. The
 234                 // simplest solution is to move to the next row instead.
 235                 cur.dispatch(
 236                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 237
 238         finishUndo();
 239         cur.updateFlags(Update::Force | Update::FitCursor);
 240 }
 241
 242
 243 namespace {
 244
 245 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 246 {
 247         cap::replaceSelection(cur);
 248         cur.insert(new InsetSpecialChar(kind));
 249         cur.posRight();
 250 }
 251
 252
 253 bool doInsertInset(LCursor & cur, LyXText * text,
 254         FuncRequest const & cmd, bool edit, bool pastesel)
 255 {
 256         InsetBase * inset = createInset(&cur.bv(), cmd);
 257         if (!inset)
 258                 return false;
 259
 260         recordUndo(cur);
 261         bool gotsel = false;
 262         if (cur.selection()) {
 263                 lyx::dispatch(FuncRequest(LFUN_CUT));
 264                 gotsel = true;
 265         }
 266         text->insertInset(cur, inset);
 267
 268         if (edit)
 269                 inset->edit(cur, true);
 270
 271         if (gotsel && pastesel) {
 272                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 273                 // reset first par to default
 274                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 275                         LyXLayout_ptr const layout =
 276                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 277                         cur.text()->paragraphs().begin()->layout(layout);
 278                 }
 279         }
 280         return true;
 281 }
 282
 283
 284 } // anon namespace
 285
 286
 287 void LyXText::number(LCursor & cur)
 288 {
 289         LyXFont font(LyXFont::ALL_IGNORE);
 290         font.setNumber(LyXFont::TOGGLE);
 291         toggleAndShow(cur, this, font);
 292 }
 293
 294
 295 bool LyXText::isRTL(Buffer const & buffer, Paragraph const & par) const
 296 {
 297         return par.isRightToLeftPar(buffer.params());
 298 }
 299
 300
 301 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 302 {
 303         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 304
 305         // FIXME: We use the update flag to indicates wether a singlePar or a
 306         // full screen update is needed. We reset it here but shall we restore it
 307         // at the end?
 308         cur.noUpdate();
 309
 310         BOOST_ASSERT(cur.text() == this);
 311         BufferView * bv = &cur.bv();
 312         CursorSlice oldTopSlice = cur.top();
 313         bool oldBoundary = cur.boundary();
 314         bool sel = cur.selection();
 315         // Signals that, even if needsUpdate == false, an update of the
 316         // cursor paragraph is required
 317         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 318                 LyXAction::SingleParUpdate);
 319         // Signals that a full-screen update is required
 320         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 321                 LyXAction::NoUpdate) || singleParUpdate);
 322         // Remember the old paragraph metric (_outer_ paragraph!)
 323         ParagraphMetrics const & pm = cur.bv().parMetrics(
 324                 cur.bottom().text(), cur.bottom().pit());
 325         Dimension olddim = pm.dim();
 326
 327         switch (cmd.action) {
 328
 329         case LFUN_PARAGRAPH_MOVE_DOWN: {
 330                 pit_type const pit = cur.pit();
 331                 recUndo(cur, pit, pit + 1);
 332                 finishUndo();
 333                 std::swap(pars_[pit], pars_[pit + 1]);
 334
 335                 ParIterator begin(cur);
 336                 ++cur.pit();
 337                 ParIterator end = boost::next(ParIterator(cur));
 338                 updateLabels(cur.buffer(), begin, end);
 339
 340                 needsUpdate = true;
 341                 break;
 342         }
 343
 344         case LFUN_PARAGRAPH_MOVE_UP: {
 345                 pit_type const pit = cur.pit();
 346                 recUndo(cur, pit - 1, pit);
 347                 finishUndo();
 348                 std::swap(pars_[pit], pars_[pit - 1]);
 349
 350                 ParIterator end = boost::next(ParIterator(cur));
 351                 --cur.pit();
 352                 ParIterator begin(cur);
 353                 updateLabels(cur.buffer(), begin, end);
 354
 355                 needsUpdate = true;
 356                 break;
 357         }
 358
 359         case LFUN_APPENDIX: {
 360                 Paragraph & par = cur.paragraph();
 361                 bool start = !par.params().startOfAppendix();
 362
 363 #ifdef WITH_WARNINGS
 364 #warning The code below only makes sense at top level.
 365 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 366 #endif
 367                 // ensure that we have only one start_of_appendix in this document
 368                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 369                         if (pars_[tmp].params().startOfAppendix()) {
 370                                 recUndo(cur, tmp);
 371                                 pars_[tmp].params().startOfAppendix(false);
 372                                 break;
 373                         }
 374                 }
 375
 376                 recordUndo(cur);
 377                 par.params().startOfAppendix(start);
 378
 379                 // we can set the refreshing parameters now
 380                 updateLabels(cur.buffer());
 381                 break;
 382         }
 383
 384         case LFUN_WORD_DELETE_FORWARD:
 385                 cur.clearSelection();
 386                 deleteWordForward(cur);
 387                 finishChange(cur, false);
 388                 break;
 389
 390         case LFUN_WORD_DELETE_BACKWARD:
 391                 cur.clearSelection();
 392                 deleteWordBackward(cur);
 393                 finishChange(cur, false);
 394                 break;
 395
 396         case LFUN_LINE_DELETE:
 397                 cur.clearSelection();
 398                 deleteLineForward(cur);
 399                 finishChange(cur, false);
 400                 break;
 401
 402         case LFUN_BUFFER_BEGIN:
 403         case LFUN_BUFFER_BEGIN_SELECT:
 404                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 405                 if (cur.depth() == 1) {
 406                         needsUpdate |= cursorTop(cur);
 407                 } else {
 408                         cur.undispatched();
 409                 }
 410                 break;
 411
 412         case LFUN_BUFFER_END:
 413         case LFUN_BUFFER_END_SELECT:
 414                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 415                 if (cur.depth() == 1) {
 416                         needsUpdate |= cursorBottom(cur);
 417                 } else {
 418                         cur.undispatched();
 419                 }
 420                 break;
 421
 422         case LFUN_CHAR_FORWARD:
 423         case LFUN_CHAR_FORWARD_SELECT:
 424                 //lyxerr << BOOST_CURRENT_FUNCTION
 425                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 426                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 427                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 428                         needsUpdate |= cursorLeft(cur);
 429                 else
 430                         needsUpdate |= cursorRight(cur);
 431
 432                 if (!needsUpdate && oldTopSlice == cur.top()
 433                                 && cur.boundary() == oldBoundary) {
 434                         cur.undispatched();
 435                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 436                 }
 437                 if (cur.selection())
 438                         saveSelection(cur);
 439                 break;
 440
 441         case LFUN_CHAR_BACKWARD:
 442         case LFUN_CHAR_BACKWARD_SELECT:
 443                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 444                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 445                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 446                         needsUpdate |= cursorRight(cur);
 447                 else
 448                         needsUpdate |= cursorLeft(cur);
 449
 450                 if (!needsUpdate && oldTopSlice == cur.top()
 451                         && cur.boundary() == oldBoundary) {
 452                         cur.undispatched();
 453                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 454                 }
 455                 if (cur.selection())
 456                         saveSelection(cur);
 457                 break;
 458
 459         case LFUN_UP:
 460         case LFUN_UP_SELECT:
 461                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 462                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 463
 464                 needsUpdate |= cursorUp(cur);
 465
 466                 if (!needsUpdate && oldTopSlice == cur.top()
 467                           && cur.boundary() == oldBoundary) {
 468                         cur.undispatched();
 469                         cmd = FuncRequest(LFUN_FINISHED_UP);
 470                 }
 471                 if (cur.selection())
 472                         saveSelection(cur);
 473                 break;
 474
 475         case LFUN_DOWN:
 476         case LFUN_DOWN_SELECT:
 477                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 478                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 479                 needsUpdate |= cursorDown(cur);
 480
 481                 if (!needsUpdate && oldTopSlice == cur.top() &&
 482                     cur.boundary() == oldBoundary)
 483                 {
 484                         cur.undispatched();
 485                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 486                 }
 487                 if (cur.selection())
 488                         saveSelection(cur);
 489                 break;
 490
 491         case LFUN_PARAGRAPH_UP:
 492         case LFUN_PARAGRAPH_UP_SELECT:
 493                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 494                 needsUpdate |= cursorUpParagraph(cur);
 495                 if (cur.selection())
 496                         saveSelection(cur);
 497                 break;
 498
 499         case LFUN_PARAGRAPH_DOWN:
 500         case LFUN_PARAGRAPH_DOWN_SELECT:
 501                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 502                 needsUpdate |= cursorDownParagraph(cur);
 503                 if (cur.selection())
 504                         saveSelection(cur);
 505                 break;
 506
 507         case LFUN_SCREEN_UP:
 508         case LFUN_SCREEN_UP_SELECT:
 509                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 510                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 511                         cur.undispatched();
 512                         cmd = FuncRequest(LFUN_FINISHED_UP);
 513                 } else {
 514                         cursorPrevious(cur);
 515                 }
 516                 if (cur.selection())
 517                         saveSelection(cur);
 518                 break;
 519
 520         case LFUN_SCREEN_DOWN:
 521         case LFUN_SCREEN_DOWN_SELECT:
 522                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 523                 if (cur.pit() == cur.lastpit()
 524                           && cur.textRow().endpos() == cur.lastpos()) {
 525                         cur.undispatched();
 526                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 527                 } else {
 528                         cursorNext(cur);
 529                 }
 530                 if (cur.selection())
 531                         saveSelection(cur);
 532                 break;
 533
 534         case LFUN_LINE_BEGIN:
 535         case LFUN_LINE_BEGIN_SELECT:
 536                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 537                 needsUpdate |= cursorHome(cur);
 538                 break;
 539
 540         case LFUN_LINE_END:
 541         case LFUN_LINE_END_SELECT:
 542                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 543                 needsUpdate |= cursorEnd(cur);
 544                 if (cur.selection())
 545                         saveSelection(cur);
 546                 break;
 547
 548         case LFUN_WORD_FORWARD:
 549         case LFUN_WORD_FORWARD_SELECT:
 550                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 551                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 552                         needsUpdate |= cursorLeftOneWord(cur);
 553                 else
 554                         needsUpdate |= cursorRightOneWord(cur);
 555                 if (cur.selection())
 556                         saveSelection(cur);
 557                 break;
 558
 559         case LFUN_WORD_BACKWARD:
 560         case LFUN_WORD_BACKWARD_SELECT:
 561                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 562                 if (isRTL(*cur.bv().buffer(), cur.paragraph()))
 563                         needsUpdate |= cursorRightOneWord(cur);
 564                 else
 565                         needsUpdate |= cursorLeftOneWord(cur);
 566                 if (cur.selection())
 567                         saveSelection(cur);
 568                 break;
 569
 570         case LFUN_WORD_SELECT: {
 571                 selectWord(cur, WHOLE_WORD);
 572                 finishChange(cur, true);
 573                 break;
 574         }
 575
 576         case LFUN_BREAK_LINE: {
 577                 // Not allowed by LaTeX (labels or empty par)
 578                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 579                         if (!cur.selection())
 580                                 recordUndo(cur);
 581                         cap::replaceSelection(cur);
 582                         cur.insert(new InsetNewline);
 583                         cur.posRight();
 584                         moveCursor(cur, false);
 585                 }
 586                 break;
 587         }
 588
 589         case LFUN_CHAR_DELETE_FORWARD:
 590                 if (!cur.selection()) {
 591                         if (cur.pos() == cur.paragraph().size())
 592                                 // Par boundary, force full-screen update
 593                                 singleParUpdate = false;
 594                         needsUpdate |= erase(cur);
 595                         cur.resetAnchor();
 596                         // It is possible to make it a lot faster still
 597                         // just comment out the line below...
 598                 } else {
 599                         cutSelection(cur, true, false);
 600                         singleParUpdate = false;
 601                 }
 602                 moveCursor(cur, false);
 603                 break;
 604
 605         case LFUN_DELETE_FORWARD_SKIP:
 606                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 607                 if (!cur.selection()) {
 608                         if (cur.pos() == cur.lastpos()) {
 609                                 cursorRight(cur);
 610                                 cursorLeft(cur);
 611                         }
 612                         erase(cur);
 613                         cur.resetAnchor();
 614                 } else {
 615                         cutSelection(cur, true, false);
 616                 }
 617                 break;
 618
 619
 620         case LFUN_CHAR_DELETE_BACKWARD:
 621                 if (!cur.selection()) {
 622                         if (bv->getIntl().getTransManager().backspace()) {
 623                                 // Par boundary, full-screen update
 624                                 if (cur.pos() == 0)
 625                                         singleParUpdate = false;
 626                                 needsUpdate |= backspace(cur);
 627                                 cur.resetAnchor();
 628                                 // It is possible to make it a lot faster still
 629                                 // just comment out the line below...
 630                         }
 631                 } else {
 632                         cutSelection(cur, true, false);
 633                         singleParUpdate = false;
 634                 }
 635                 bv->switchKeyMap();
 636                 break;
 637
 638         case LFUN_DELETE_BACKWARD_SKIP:
 639                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 640                 if (!cur.selection()) {
 641 #ifdef WITH_WARNINGS
 642 #warning look here
 643 #endif
 644                         //CursorSlice cur = cursor();
 645                         backspace(cur);
 646                         //anchor() = cur;
 647                 } else {
 648                         cutSelection(cur, true, false);
 649                 }
 650                 break;
 651
 652         case LFUN_BREAK_PARAGRAPH:
 653                 cap::replaceSelection(cur);
 654                 breakParagraph(cur, 0);
 655                 //Reset text style to default
 656                 setFont(cur, LyXFont(LyXFont::ALL_INHERIT), 0);
 657                 cur.resetAnchor();
 658                 bv->switchKeyMap();
 659                 break;
 660
 661         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 662                 cap::replaceSelection(cur);
 663                 breakParagraph(cur, 1);
 664                 cur.resetAnchor();
 665                 bv->switchKeyMap();
 666                 break;
 667
 668         case LFUN_BREAK_PARAGRAPH_SKIP: {
 669                 // When at the beginning of a paragraph, remove
 670                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 671                 cap::replaceSelection(cur);
 672                 if (cur.pos() == 0)
 673                         cur.paragraph().params().labelWidthString(docstring());
 674                 else
 675                         breakParagraph(cur, 0);
 676                 cur.resetAnchor();
 677                 bv->switchKeyMap();
 678                 break;
 679         }
 680
 681         case LFUN_PARAGRAPH_SPACING: {
 682                 Paragraph & par = cur.paragraph();
 683                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 684                 string cur_value = "1.0";
 685                 if (cur_spacing == Spacing::Other)
 686                         cur_value = par.params().spacing().getValueAsString();
 687
 688                 istringstream is(to_utf8(cmd.argument()));
 689                 string tmp;
 690                 is >> tmp;
 691                 Spacing::Space new_spacing = cur_spacing;
 692                 string new_value = cur_value;
 693                 if (tmp.empty()) {
 694                         lyxerr << "Missing argument to `paragraph-spacing'"
 695                                << endl;
 696                 } else if (tmp == "single") {
 697                         new_spacing = Spacing::Single;
 698                 } else if (tmp == "onehalf") {
 699                         new_spacing = Spacing::Onehalf;
 700                 } else if (tmp == "double") {
 701                         new_spacing = Spacing::Double;
 702                 } else if (tmp == "other") {
 703                         new_spacing = Spacing::Other;
 704                         string tmpval = "0.0";
 705                         is >> tmpval;
 706                         lyxerr << "new_value = " << tmpval << endl;
 707                         if (tmpval != "0.0")
 708                                 new_value = tmpval;
 709                 } else if (tmp == "default") {
 710                         new_spacing = Spacing::Default;
 711                 } else {
 712                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 713                                << to_utf8(cmd.argument()) << endl;
 714                 }
 715                 if (cur_spacing != new_spacing || cur_value != new_value)
 716                         par.params().spacing(Spacing(new_spacing, new_value));
 717                 break;
 718         }
 719
 720         case LFUN_INSET_INSERT: {
 721                 recordUndo(cur);
 722                 InsetBase * inset = createInset(bv, cmd);
 723                 if (inset) {
 724                         // FIXME (Abdel 01/02/2006):
 725                         // What follows would be a partial fix for bug 2154:
 726                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 727                         // This automatically put the label inset _after_ a
 728                         // numbered section. It should be possible to extend the mechanism
 729                         // to any kind of LateX environement.
 730                         // The correct way to fix that bug would be at LateX generation.
 731                         // I'll let the code here for reference as it could be used for some
 732                         // other feature like "automatic labelling".
 733                         /*
 734                         Paragraph & par = pars_[cur.pit()];
 735                         if (inset->lyxCode() == InsetBase::LABEL_CODE
 736                                 && par.layout()->labeltype == LABEL_COUNTER) {
 737                                 // Go to the end of the paragraph
 738                                 // Warning: Because of Change-Tracking, the last
 739                                 // position is 'size()' and not 'size()-1':
 740                                 cur.pos() = par.size();
 741                                 // Insert a new paragraph
 742                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 743                                 dispatch(cur, fr);
 744                         }
 745                         */
 746                         insertInset(cur, inset);
 747                         cur.posRight();
 748                 }
 749                 break;
 750         }
 751
 752         case LFUN_INSET_DISSOLVE:
 753                 needsUpdate |= dissolveInset(cur);
 754                 break;
 755
 756         case LFUN_INSET_SETTINGS:
 757                 cur.inset().showInsetDialog(bv);
 758                 break;
 759
 760         case LFUN_SPACE_INSERT:
 761                 if (cur.paragraph().layout()->free_spacing)
 762                         insertChar(cur, ' ');
 763                 else {
 764                         doInsertInset(cur, this, cmd, false, false);
 765                         cur.posRight();
 766                 }
 767                 moveCursor(cur, false);
 768                 break;
 769
 770         case LFUN_HYPHENATION_POINT_INSERT:
 771                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 772                 break;
 773
 774         case LFUN_LIGATURE_BREAK_INSERT:
 775                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 776                 break;
 777
 778         case LFUN_DOTS_INSERT:
 779                 specialChar(cur, InsetSpecialChar::LDOTS);
 780                 break;
 781
 782         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 783                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 784                 break;
 785
 786         case LFUN_MENU_SEPARATOR_INSERT:
 787                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 788                 break;
 789
 790         case LFUN_WORD_UPCASE:
 791                 changeCase(cur, LyXText::text_uppercase);
 792                 break;
 793
 794         case LFUN_WORD_LOWCASE:
 795                 changeCase(cur, LyXText::text_lowercase);
 796                 break;
 797
 798         case LFUN_WORD_CAPITALIZE:
 799                 changeCase(cur, LyXText::text_capitalization);
 800                 break;
 801
 802         case LFUN_CHARS_TRANSPOSE:
 803                 charsTranspose(cur);
 804                 break;
 805
 806         case LFUN_PASTE:
 807                 cur.message(_("Paste"));
 808                 cap::replaceSelection(cur);
 809                 if (cmd.argument().empty() && !theClipboard().isInternal())
 810                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 811                 else {
 812                         string const arg(to_utf8(cmd.argument()));
 813                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
 814                                         isStrUnsignedInt(arg) ?
 815                                                 convert<unsigned int>(arg) :
 816                                                 0);
 817                 }
 818                 bv->buffer()->errors("Paste");
 819                 cur.clearSelection(); // bug 393
 820                 bv->switchKeyMap();
 821                 finishUndo();
 822                 break;
 823
 824         case LFUN_CUT:
 825                 cutSelection(cur, true, true);
 826                 cur.message(_("Cut"));
 827                 break;
 828
 829         case LFUN_COPY:
 830                 copySelection(cur);
 831                 cur.message(_("Copy"));
 832                 break;
 833
 834         case LFUN_SERVER_GET_XY:
 835                 cur.message(from_utf8(
 836                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 837                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 838                 break;
 839
 840         case LFUN_SERVER_SET_XY: {
 841                 int x = 0;
 842                 int y = 0;
 843                 istringstream is(to_utf8(cmd.argument()));
 844                 is >> x >> y;
 845                 if (!is)
 846                         lyxerr << "SETXY: Could not parse coordinates in '"
 847                                << to_utf8(cmd.argument()) << std::endl;
 848                 else
 849                         setCursorFromCoordinates(cur, x, y);
 850                 break;
 851         }
 852
 853         case LFUN_SERVER_GET_FONT:
 854                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 855                         cur.message(from_ascii("E"));
 856                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 857                         cur.message(from_ascii("N"));
 858                 else
 859                         cur.message(from_ascii("0"));
 860                 break;
 861
 862         case LFUN_SERVER_GET_LAYOUT:
 863                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 864                 break;
 865
 866         case LFUN_LAYOUT: {
 867                 string layout = to_ascii(cmd.argument());
 868                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) " << layout << endl;
 869
 870                 // Derive layout number from given argument (string)
 871                 // and current buffer's textclass (number)
 872                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 873                 if (layout.empty())
 874                         layout = tclass.defaultLayoutName();
 875                 bool hasLayout = tclass.hasLayout(layout);
 876
 877                 // If the entry is obsolete, use the new one instead.
 878                 if (hasLayout) {
 879                         string const & obs = tclass[layout]->obsoleted_by();
 880                         if (!obs.empty())
 881                                 layout = obs;
 882                 }
 883
 884                 if (!hasLayout) {
 885                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 886                                 from_utf8(N_(" not known")));
 887                         break;
 888                 }
 889
 890                 bool change_layout = (current_layout != layout);
 891
 892                 if (!change_layout && cur.selection() &&
 893                         cur.selBegin().pit() != cur.selEnd().pit())
 894                 {
 895                         pit_type spit = cur.selBegin().pit();
 896                         pit_type epit = cur.selEnd().pit() + 1;
 897                         while (spit != epit) {
 898                                 if (pars_[spit].layout()->name() != current_layout) {
 899                                         change_layout = true;
 900                                         break;
 901                                 }
 902                                 ++spit;
 903                         }
 904                 }
 905
 906                 if (change_layout) {
 907                         current_layout = layout;
 908                         setLayout(cur, layout);
 909                         // inform the GUI that the layout has changed.
 910                         bv->layoutChanged(layout);
 911                         bv->switchKeyMap();
 912                 }
 913                 break;
 914         }
 915
 916         case LFUN_CLIPBOARD_PASTE:
 917                 cur.clearSelection();
 918                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 919                                cmd.argument() == "paragraph");
 920                 bv->buffer()->errors("Paste");
 921                 break;
 922
 923         case LFUN_PRIMARY_SELECTION_PASTE:
 924                 pasteString(cur, theSelection().get(),
 925                             cmd.argument() == "paragraph");
 926                 break;
 927
 928         case LFUN_UNICODE_INSERT: {
 929                 if (cmd.argument().empty())
 930                         break;
 931                 docstring hexstring = cmd.argument();
 932                 if (lyx::support::isHex(hexstring)) {
 933                         char_type c = lyx::support::hexToInt(hexstring);
 934                         if (c > 32 && c < 0x10ffff) {
 935                                 lyxerr << "Inserting c: " << c << endl;
 936                                 docstring s = docstring(1, c);
 937                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 938                         }
 939                 }
 940                 break;
 941         }
 942
 943         case LFUN_QUOTE_INSERT: {
 944                 cap::replaceSelection(cur);
 945                 Paragraph & par = cur.paragraph();
 946                 pos_type pos = cur.pos();
 947                 char_type c;
 948                 if (pos == 0)
 949                         c = ' ';
 950                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 951                         c = ' ';
 952                 else
 953                         c = par.getChar(pos - 1);
 954
 955                 LyXLayout_ptr const & style = par.layout();
 956
 957                 BufferParams const & bufparams = bv->buffer()->params();
 958                 if (!style->pass_thru
 959                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 960                         string arg = to_utf8(cmd.argument());
 961                         if (arg == "single")
 962                                 cur.insert(new InsetQuotes(c,
 963                                     bufparams.quotes_language,
 964                                     InsetQuotes::SingleQ));
 965                         else
 966                                 cur.insert(new InsetQuotes(c,
 967                                     bufparams.quotes_language,
 968                                     InsetQuotes::DoubleQ));
 969                         cur.posRight();
 970                 }
 971                 else
 972                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 973                 break;
 974         }
 975
 976         case LFUN_DATE_INSERT:
 977                 if (cmd.argument().empty())
 978                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 979                                 formatted_time(current_time())));
 980                 else
 981                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 982                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 983                 break;
 984
 985         case LFUN_MOUSE_TRIPLE:
 986                 if (cmd.button() == mouse_button::button1) {
 987                         cursorHome(cur);
 988                         cur.resetAnchor();
 989                         cursorEnd(cur);
 990                         cur.setSelection();
 991                         bv->cursor() = cur;
 992                         saveSelection(cur);
 993                 }
 994                 break;
 995
 996         case LFUN_MOUSE_DOUBLE:
 997                 if (cmd.button() == mouse_button::button1) {
 998                         selectWord(cur, WHOLE_WORD_STRICT);
 999                         bv->cursor() = cur;
1000                 }
1001                 break;
1002
1003         // Single-click on work area
1004         case LFUN_MOUSE_PRESS: {
1005                 // Right click on a footnote flag opens float menu
1006                 if (cmd.button() == mouse_button::button3)
1007                         cur.clearSelection();
1008
1009                 // Middle button press pastes if we have a selection
1010                 // We do this here as if the selection was inside an inset
1011                 // it could get cleared on the unlocking of the inset so
1012                 // we have to check this first
1013                 bool paste_internally = false;
1014                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1015                         // Copy the selection buffer to the clipboard
1016                         // stack, because we want it to appear in the
1017                         // "Edit->Paste recent" menu.
1018                         cap::copySelectionToStack();
1019                         paste_internally = true;
1020                 }
1021
1022                 // we have to update after dePM triggered
1023                 bool update = bv->mouseSetCursor(cur);
1024
1025                 // Insert primary selection with middle mouse
1026                 // if there is a local selection in the current buffer,
1027                 // insert this
1028                 if (cmd.button() == mouse_button::button2) {
1029                         if (paste_internally) {
1030                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1031                                 bv->buffer()->errors("Paste");
1032                                 cur.clearSelection(); // bug 393
1033                                 bv->switchKeyMap();
1034                                 finishUndo();
1035                         } else
1036                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1037                 }
1038
1039                 if (!update && cmd.button() == mouse_button::button1) {
1040                         needsUpdate = false;
1041                         cur.noUpdate();
1042                 }
1043
1044                 break;
1045         }
1046
1047         case LFUN_MOUSE_MOTION: {
1048                 // Only use motion with button 1
1049                 //if (cmd.button() != mouse_button::button1)
1050                 //      return false;
1051
1052                 // ignore motions deeper nested than the real anchor
1053                 LCursor & bvcur = cur.bv().cursor();
1054                 if (bvcur.anchor_.hasPart(cur)) {
1055                         CursorSlice old = bvcur.top();
1056
1057                         int const wh = bv->workHeight();
1058                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1059
1060                         setCursorFromCoordinates(cur, cmd.x, y);
1061                         cur.x_target() = cmd.x;
1062                         if (cmd.y >= wh)
1063                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1064                         else if (cmd.y < 0)
1065                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1066                         // This is to allow jumping over large insets
1067                         if (cur.top() == old) {
1068                                 if (cmd.y >= wh)
1069                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1070                                 else if (cmd.y < 0)
1071                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1072                         }
1073
1074                         if (cur.top() == old)
1075                                 cur.noUpdate();
1076                         else {
1077                                 // don't set anchor_
1078                                 bvcur.setCursor(cur);
1079                                 bvcur.selection() = true;
1080                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1081                         }
1082
1083                 } else
1084                         cur.undispatched();
1085                 break;
1086         }
1087
1088         case LFUN_MOUSE_RELEASE: {
1089                 if (cmd.button() == mouse_button::button2)
1090                         break;
1091
1092                 if (cmd.button() == mouse_button::button1) {
1093                         // if there is new selection, update persistent
1094                         // selection, otherwise, single click does not
1095                         // clear persistent selection buffer
1096                         if (cur.selection()) {
1097                                 // finish selection
1098                                 // if double click, cur is moved to the end of word by selectWord
1099                                 // but bvcur is current mouse position
1100                                 LCursor & bvcur = cur.bv().cursor();
1101                                 bvcur.selection() = true;
1102                                 saveSelection(bvcur);
1103                         }
1104                         needsUpdate = false;
1105                         cur.noUpdate();
1106                 }
1107
1108                 bv->switchKeyMap();
1109                 break;
1110         }
1111
1112         case LFUN_SELF_INSERT: {
1113                 if (cmd.argument().empty())
1114                         break;
1115
1116                 // Automatically delete the currently selected
1117                 // text and replace it with what is being
1118                 // typed in now. Depends on lyxrc settings
1119                 // "auto_region_delete", which defaults to
1120                 // true (on).
1121
1122                 if (lyxrc.auto_region_delete)
1123                         if (cur.selection())
1124                                 cutSelection(cur, false, false);
1125
1126                 cur.clearSelection();
1127                 LyXFont const old_font = real_current_font;
1128
1129                 docstring::const_iterator cit = cmd.argument().begin();
1130                 docstring::const_iterator end = cmd.argument().end();
1131                 for (; cit != end; ++cit)
1132 #if 0
1133                         bv->getIntl().getTransManager().
1134                                 translateAndInsert(*cit, this);
1135 #else
1136                         insertChar(bv->cursor(), *cit);
1137 #endif
1138
1139                 cur.resetAnchor();
1140                 moveCursor(cur, false);
1141                 break;
1142         }
1143
1144         case LFUN_URL_INSERT: {
1145                 InsetCommandParams p("url");
1146                 string const data = InsetCommandMailer::params2string("url", p);
1147                 bv->showInsetDialog("url", data, 0);
1148                 break;
1149         }
1150
1151         case LFUN_HTML_INSERT: {
1152                 InsetCommandParams p("htmlurl");
1153                 string const data = InsetCommandMailer::params2string("url", p);
1154                 bv->showInsetDialog("url", data, 0);
1155                 break;
1156         }
1157
1158         case LFUN_LABEL_INSERT: {
1159                 InsetCommandParams p("label");
1160                 // Try to generate a valid label
1161                 p["name"] = (cmd.argument().empty()) ?
1162                         cur.getPossibleLabel() :
1163                         cmd.argument();
1164                 string const data = InsetCommandMailer::params2string("label", p);
1165
1166                 if (cmd.argument().empty()) {
1167                         bv->showInsetDialog("label", data, 0);
1168                 } else {
1169                         FuncRequest fr(LFUN_INSET_INSERT, data);
1170                         dispatch(cur, fr);
1171                 }
1172                 break;
1173         }
1174
1175
1176 #if 0
1177         case LFUN_LIST_INSERT:
1178         case LFUN_THEOREM_INSERT:
1179 #endif
1180         case LFUN_CAPTION_INSERT:
1181                 // Open the inset, and move the current selection
1182                 // inside it.
1183                 doInsertInset(cur, this, cmd, true, true);
1184                 cur.posRight();
1185                 updateLabels(*bv->buffer());
1186                 break;
1187         case LFUN_NOTE_INSERT:
1188         case LFUN_CHARSTYLE_INSERT:
1189         case LFUN_BOX_INSERT:
1190         case LFUN_BRANCH_INSERT:
1191         case LFUN_BIBITEM_INSERT:
1192         case LFUN_ERT_INSERT:
1193         case LFUN_FOOTNOTE_INSERT:
1194         case LFUN_MARGINALNOTE_INSERT:
1195         case LFUN_OPTIONAL_INSERT:
1196         case LFUN_ENVIRONMENT_INSERT:
1197                 // Open the inset, and move the current selection
1198                 // inside it.
1199                 doInsertInset(cur, this, cmd, true, true);
1200                 cur.posRight();
1201                 break;
1202
1203         case LFUN_TABULAR_INSERT:
1204                 // if there were no arguments, just open the dialog
1205                 if (doInsertInset(cur, this, cmd, false, true))
1206                         cur.posRight();
1207                 else
1208                         bv->showDialog("tabularcreate");
1209
1210                 break;
1211
1212         case LFUN_FLOAT_INSERT:
1213         case LFUN_FLOAT_WIDE_INSERT:
1214         case LFUN_WRAP_INSERT: {
1215                 bool content = cur.selection();  // will some text be moved into the inset?
1216
1217                 doInsertInset(cur, this, cmd, true, true);
1218                 cur.posRight();
1219                 ParagraphList & pars = cur.text()->paragraphs();
1220
1221                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1222
1223                 // add a separate paragraph for the caption inset
1224                 pars.push_back(Paragraph());
1225                 pars.back().setInsetOwner(pars[0].inInset());
1226                 pars.back().layout(tclass.defaultLayout());
1227
1228                 int cap_pit = pars.size() - 1;
1229
1230                 // if an empty inset was created, we create an additional empty
1231                 // paragraph at the bottom so that the user can choose where to put
1232                 // the graphics (or table).
1233                 if (!content) {
1234                         pars.push_back(Paragraph());
1235                         pars.back().setInsetOwner(pars[0].inInset());
1236                         pars.back().layout(tclass.defaultLayout());
1237
1238                 }
1239
1240                 // reposition the cursor to the caption
1241                 cur.pit() = cap_pit;
1242                 cur.pos() = 0;
1243                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1244                 // FIXME: When leaving the Float (or Wrap) inset we should
1245                 // delete any empty paragraph left above or below the
1246                 // caption.
1247                 break;
1248         }
1249
1250         case LFUN_INDEX_INSERT:
1251         case LFUN_NOMENCL_INSERT: {
1252                 InsetBase * inset = createInset(&cur.bv(), cmd);
1253                 if (!inset)
1254                         break;
1255
1256                 recordUndo(cur);
1257                 cur.clearSelection();
1258                 insertInset(cur, inset);
1259                 inset->edit(cur, true);
1260                 // Show the dialog for the nomenclature entry, since the
1261                 // description entry still needs to be filled in.
1262                 if (cmd.action == LFUN_NOMENCL_INSERT)
1263                         InsetCommandMailer("nomenclature",
1264                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1265                 cur.posRight();
1266                 break;
1267         }
1268
1269         case LFUN_INDEX_PRINT:
1270         case LFUN_NOMENCL_PRINT:
1271         case LFUN_TOC_INSERT:
1272         case LFUN_HFILL_INSERT:
1273         case LFUN_LINE_INSERT:
1274         case LFUN_PAGEBREAK_INSERT:
1275         case LFUN_CLEARPAGE_INSERT:
1276         case LFUN_CLEARDOUBLEPAGE_INSERT:
1277                 // do nothing fancy
1278                 doInsertInset(cur, this, cmd, false, false);
1279                 cur.posRight();
1280                 break;
1281
1282         case LFUN_DEPTH_DECREMENT:
1283                 changeDepth(cur, DEC_DEPTH);
1284                 break;
1285
1286         case LFUN_DEPTH_INCREMENT:
1287                 changeDepth(cur, INC_DEPTH);
1288                 break;
1289
1290         case LFUN_MATH_DISPLAY:
1291                 mathDispatch(cur, cmd, true);
1292                 break;
1293
1294         case LFUN_MATH_IMPORT_SELECTION:
1295         case LFUN_MATH_MODE:
1296                 if (cmd.argument() == "on")
1297                         // don't pass "on" as argument
1298                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1299                 else
1300                         mathDispatch(cur, cmd, false);
1301                 break;
1302
1303         case LFUN_MATH_MACRO:
1304                 if (cmd.argument().empty())
1305                         cur.errorMessage(from_utf8(N_("Missing argument")));
1306                 else {
1307                         string s = to_utf8(cmd.argument());
1308                         string const s1 = token(s, ' ', 1);
1309                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1310                         string const s2 = token(s, ' ', 2);
1311                         string const type = s2.empty() ? "newcommand" : s2;
1312                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1313                         //cur.nextInset()->edit(cur, true);
1314                 }
1315                 break;
1316
1317         // passthrough hat and underscore outside mathed:
1318         case LFUN_MATH_SUBSCRIPT:
1319                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1320                 break;
1321         case LFUN_MATH_SUPERSCRIPT:
1322                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1323                 break;
1324
1325         case LFUN_MATH_INSERT:
1326         case LFUN_MATH_MATRIX:
1327         case LFUN_MATH_DELIM:
1328         case LFUN_MATH_BIGDELIM: {
1329                 cur.insert(new InsetMathHull(hullSimple));
1330                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1331                 cur.dispatch(cmd);
1332                 break;
1333         }
1334
1335         case LFUN_FONT_EMPH: {
1336                 LyXFont font(LyXFont::ALL_IGNORE);
1337                 font.setEmph(LyXFont::TOGGLE);
1338                 toggleAndShow(cur, this, font);
1339                 break;
1340         }
1341
1342         case LFUN_FONT_BOLD: {
1343                 LyXFont font(LyXFont::ALL_IGNORE);
1344                 font.setSeries(LyXFont::BOLD_SERIES);
1345                 toggleAndShow(cur, this, font);
1346                 break;
1347         }
1348
1349         case LFUN_FONT_NOUN: {
1350                 LyXFont font(LyXFont::ALL_IGNORE);
1351                 font.setNoun(LyXFont::TOGGLE);
1352                 toggleAndShow(cur, this, font);
1353                 break;
1354         }
1355
1356         case LFUN_FONT_CODE: {
1357                 LyXFont font(LyXFont::ALL_IGNORE);
1358                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1359                 toggleAndShow(cur, this, font);
1360                 break;
1361         }
1362
1363         case LFUN_FONT_SANS: {
1364                 LyXFont font(LyXFont::ALL_IGNORE);
1365                 font.setFamily(LyXFont::SANS_FAMILY);
1366                 toggleAndShow(cur, this, font);
1367                 break;
1368         }
1369
1370         case LFUN_FONT_ROMAN: {
1371                 LyXFont font(LyXFont::ALL_IGNORE);
1372                 font.setFamily(LyXFont::ROMAN_FAMILY);
1373                 toggleAndShow(cur, this, font);
1374                 break;
1375         }
1376
1377         case LFUN_FONT_DEFAULT: {
1378                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1379                 toggleAndShow(cur, this, font);
1380                 break;
1381         }
1382
1383         case LFUN_FONT_UNDERLINE: {
1384                 LyXFont font(LyXFont::ALL_IGNORE);
1385                 font.setUnderbar(LyXFont::TOGGLE);
1386                 toggleAndShow(cur, this, font);
1387                 break;
1388         }
1389
1390         case LFUN_FONT_SIZE: {
1391                 LyXFont font(LyXFont::ALL_IGNORE);
1392                 font.setLyXSize(to_utf8(cmd.argument()));
1393                 toggleAndShow(cur, this, font);
1394                 break;
1395         }
1396
1397         case LFUN_LANGUAGE: {
1398                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1399                 if (!lang)
1400                         break;
1401                 LyXFont font(LyXFont::ALL_IGNORE);
1402                 font.setLanguage(lang);
1403                 toggleAndShow(cur, this, font);
1404                 bv->switchKeyMap();
1405                 break;
1406         }
1407
1408         case LFUN_FONT_FREE_APPLY:
1409                 toggleAndShow(cur, this, freefont, toggleall);
1410                 cur.message(_("Character set"));
1411                 break;
1412
1413         // Set the freefont using the contents of \param data dispatched from
1414         // the frontends and apply it at the current cursor location.
1415         case LFUN_FONT_FREE_UPDATE: {
1416                 LyXFont font;
1417                 bool toggle;
1418                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1419                         freefont = font;
1420                         toggleall = toggle;
1421                         toggleAndShow(cur, this, freefont, toggleall);
1422                         cur.message(_("Character set"));
1423                 }
1424                 break;
1425         }
1426
1427         case LFUN_FINISHED_LEFT:
1428                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1429                 break;
1430
1431         case LFUN_FINISHED_RIGHT:
1432                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1433                 ++cur.pos();
1434                 break;
1435
1436         case LFUN_FINISHED_UP:
1437                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1438                 cursorUp(cur);
1439                 break;
1440
1441         case LFUN_FINISHED_DOWN:
1442                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1443                 cursorDown(cur);
1444                 break;
1445
1446         case LFUN_LAYOUT_PARAGRAPH: {
1447                 string data;
1448                 params2string(cur.paragraph(), data);
1449                 data = "show\n" + data;
1450                 bv->showDialogWithData("paragraph", data);
1451                 break;
1452         }
1453
1454         case LFUN_PARAGRAPH_UPDATE: {
1455                 string data;
1456                 params2string(cur.paragraph(), data);
1457
1458                 // Will the paragraph accept changes from the dialog?
1459                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1460
1461                 data = "update " + convert<string>(accept) + '\n' + data;
1462                 bv->updateDialog("paragraph", data);
1463                 break;
1464         }
1465
1466         case LFUN_ACCENT_UMLAUT:
1467         case LFUN_ACCENT_CIRCUMFLEX:
1468         case LFUN_ACCENT_GRAVE:
1469         case LFUN_ACCENT_ACUTE:
1470         case LFUN_ACCENT_TILDE:
1471         case LFUN_ACCENT_CEDILLA:
1472         case LFUN_ACCENT_MACRON:
1473         case LFUN_ACCENT_DOT:
1474         case LFUN_ACCENT_UNDERDOT:
1475         case LFUN_ACCENT_UNDERBAR:
1476         case LFUN_ACCENT_CARON:
1477         case LFUN_ACCENT_SPECIAL_CARON:
1478         case LFUN_ACCENT_BREVE:
1479         case LFUN_ACCENT_TIE:
1480         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1481         case LFUN_ACCENT_CIRCLE:
1482         case LFUN_ACCENT_OGONEK:
1483                 theLyXFunc().handleKeyFunc(cmd.action);
1484                 if (!cmd.argument().empty())
1485                         // FIXME: Are all these characters encoded in one byte in utf8?
1486                         bv->getIntl().getTransManager()
1487                                 .translateAndInsert(cmd.argument()[0], this, cur);
1488                 break;
1489
1490         case LFUN_FLOAT_LIST: {
1491                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1492                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1493                         // not quite sure if we want this...
1494                         recordUndo(cur);
1495                         cur.clearSelection();
1496                         breakParagraph(cur);
1497
1498                         if (cur.lastpos() != 0) {
1499                                 cursorLeft(cur);
1500                                 breakParagraph(cur);
1501                         }
1502
1503                         setLayout(cur, tclass.defaultLayoutName());
1504                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1505                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1506                         cur.posRight();
1507                 } else {
1508                         lyxerr << "Non-existent float type: "
1509                                << to_utf8(cmd.argument()) << endl;
1510                 }
1511                 break;
1512         }
1513
1514         case LFUN_CHANGE_ACCEPT: {
1515                 acceptOrRejectChanges(cur, ACCEPT);
1516                 break;
1517         }
1518
1519         case LFUN_CHANGE_REJECT: {
1520                 acceptOrRejectChanges(cur, REJECT);
1521                 break;
1522         }
1523
1524         case LFUN_THESAURUS_ENTRY: {
1525                 docstring arg = cmd.argument();
1526                 if (arg.empty()) {
1527                         arg = cur.selectionAsString(false);
1528                         // FIXME
1529                         if (arg.size() > 100 || arg.empty()) {
1530                                 // Get word or selection
1531                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1532                                 arg = cur.selectionAsString(false);
1533                         }
1534                 }
1535                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1536                 break;
1537         }
1538
1539         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1540                 // Given data, an encoding of the ParagraphParameters
1541                 // generated in the Paragraph dialog, this function sets
1542                 // the current paragraph appropriately.
1543                 istringstream is(to_utf8(cmd.argument()));
1544                 LyXLex lex(0, 0);
1545                 lex.setStream(is);
1546                 ParagraphParameters params;
1547                 params.read(lex);
1548                 setParagraph(cur,
1549                              params.spacing(),
1550                              params.align(),
1551                              params.labelWidthString(),
1552                              params.noindent());
1553                 cur.message(_("Paragraph layout set"));
1554                 break;
1555         }
1556
1557         case LFUN_ESCAPE:
1558                 if (cur.selection()) {
1559                         cur.selection() = false;
1560                         saveSelection(cur);
1561                 } else {
1562                         cur.undispatched();
1563                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1564                 }
1565                 break;
1566
1567         default:
1568                 lyxerr[Debug::ACTION]
1569                         << BOOST_CURRENT_FUNCTION
1570                         << ": Command " << cmd
1571                         << " not DISPATCHED by LyXText" << endl;
1572                 cur.undispatched();
1573                 break;
1574         }
1575
1576         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1577
1578         // FIXME: The cursor flag is reset two lines below
1579         // so we need to check here if some of the LFUN did touch that.
1580         // for now only LyXText::erase() and LyXText::backspace() do that.
1581         // The plan is to verify all the LFUNs and then to remove this
1582         // singleParUpdate boolean altogether.
1583         if (cur.result().update() & Update::Force) {
1584                 singleParUpdate = false;
1585                 needsUpdate = true;
1586         }
1587
1588         // FIXME: the following code should go in favor of fine grained
1589         // update flag treatment.
1590         if (singleParUpdate) {
1591                 // Inserting characters does not change par height
1592                 ParagraphMetrics const & pms
1593                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1594                 if (pms.dim().height()
1595                     == olddim.height()) {
1596                         // if so, update _only_ this paragraph
1597                         cur.updateFlags(Update::SinglePar |
1598                                 Update::FitCursor |
1599                                 Update::MultiParSel);
1600                         return;
1601                 } else
1602                         needsUpdate = true;
1603         }
1604
1605         if (!needsUpdate
1606             && &oldTopSlice.inset() == &cur.inset()
1607             && oldTopSlice.idx() == cur.idx()
1608             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1609             && !cur.selection())
1610                 // FIXME: it would be better if we could just do this
1611                 //
1612                 //if (cur.result().update() != Update::FitCursor)
1613                 //      cur.noUpdate();
1614                 //
1615                 // But some LFUNs do not set Update::FitCursor when needed, so we
1616                 // do it for all. This is not very harmfull as FitCursor will provoke
1617                 // a full redraw only if needed but still, a proper review of all LFUN
1618                 // should be done and this needsUpdate boolean can then be removed.
1619                 cur.updateFlags(Update::FitCursor);
1620         else
1621                 cur.updateFlags(Update::Force | Update::FitCursor);
1622 }
1623
1624
1625 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1626                         FuncStatus & flag) const
1627 {
1628         BOOST_ASSERT(cur.text() == this);
1629
1630         LyXFont const & font = real_current_font;
1631         bool enable = true;
1632         InsetBase::Code code = InsetBase::NO_CODE;
1633
1634         switch (cmd.action) {
1635
1636         case LFUN_DEPTH_DECREMENT:
1637                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1638                 break;
1639
1640         case LFUN_DEPTH_INCREMENT:
1641                 enable = changeDepthAllowed(cur, INC_DEPTH);
1642                 break;
1643
1644         case LFUN_APPENDIX:
1645                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1646                 return true;
1647
1648         case LFUN_BIBITEM_INSERT:
1649                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1650                 break;
1651
1652         case LFUN_DIALOG_SHOW_NEW_INSET:
1653                 if (cmd.argument() == "bibitem")
1654                         code = InsetBase::BIBITEM_CODE;
1655                 else if (cmd.argument() == "bibtex")
1656                         code = InsetBase::BIBTEX_CODE;
1657                 else if (cmd.argument() == "box")
1658                         code = InsetBase::BOX_CODE;
1659                 else if (cmd.argument() == "branch")
1660                         code = InsetBase::BRANCH_CODE;
1661                 else if (cmd.argument() == "citation")
1662                         code = InsetBase::CITE_CODE;
1663                 else if (cmd.argument() == "ert")
1664                         code = InsetBase::ERT_CODE;
1665                 else if (cmd.argument() == "external")
1666                         code = InsetBase::EXTERNAL_CODE;
1667                 else if (cmd.argument() == "float")
1668                         code = InsetBase::FLOAT_CODE;
1669                 else if (cmd.argument() == "graphics")
1670                         code = InsetBase::GRAPHICS_CODE;
1671                 else if (cmd.argument() == "include")
1672                         code = InsetBase::INCLUDE_CODE;
1673                 else if (cmd.argument() == "index")
1674                         code = InsetBase::INDEX_CODE;
1675                 else if (cmd.argument() == "nomenclature")
1676                         code = InsetBase::NOMENCL_CODE;
1677                 else if (cmd.argument() == "label")
1678                         code = InsetBase::LABEL_CODE;
1679                 else if (cmd.argument() == "note")
1680                         code = InsetBase::NOTE_CODE;
1681                 else if (cmd.argument() == "ref")
1682                         code = InsetBase::REF_CODE;
1683                 else if (cmd.argument() == "toc")
1684                         code = InsetBase::TOC_CODE;
1685                 else if (cmd.argument() == "url")
1686                         code = InsetBase::URL_CODE;
1687                 else if (cmd.argument() == "vspace")
1688                         code = InsetBase::VSPACE_CODE;
1689                 else if (cmd.argument() == "wrap")
1690                         code = InsetBase::WRAP_CODE;
1691                 break;
1692
1693         case LFUN_ERT_INSERT:
1694                 code = InsetBase::ERT_CODE;
1695                 break;
1696         case LFUN_FOOTNOTE_INSERT:
1697                 code = InsetBase::FOOT_CODE;
1698                 break;
1699         case LFUN_TABULAR_INSERT:
1700                 code = InsetBase::TABULAR_CODE;
1701                 break;
1702         case LFUN_MARGINALNOTE_INSERT:
1703                 code = InsetBase::MARGIN_CODE;
1704                 break;
1705         case LFUN_FLOAT_INSERT:
1706         case LFUN_FLOAT_WIDE_INSERT:
1707                 code = InsetBase::FLOAT_CODE;
1708                 break;
1709         case LFUN_WRAP_INSERT:
1710                 code = InsetBase::WRAP_CODE;
1711                 break;
1712         case LFUN_FLOAT_LIST:
1713                 code = InsetBase::FLOAT_LIST_CODE;
1714                 break;
1715 #if 0
1716         case LFUN_LIST_INSERT:
1717                 code = InsetBase::LIST_CODE;
1718                 break;
1719         case LFUN_THEOREM_INSERT:
1720                 code = InsetBase::THEOREM_CODE;
1721                 break;
1722 #endif
1723         case LFUN_CAPTION_INSERT:
1724                 code = InsetBase::CAPTION_CODE;
1725                 break;
1726         case LFUN_NOTE_INSERT:
1727                 code = InsetBase::NOTE_CODE;
1728                 break;
1729         case LFUN_CHARSTYLE_INSERT:
1730                 code = InsetBase::CHARSTYLE_CODE;
1731                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1732                         enable = false;
1733                 break;
1734         case LFUN_BOX_INSERT:
1735                 code = InsetBase::BOX_CODE;
1736                 break;
1737         case LFUN_BRANCH_INSERT:
1738                 code = InsetBase::BRANCH_CODE;
1739                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1740                         enable = false;
1741                 break;
1742         case LFUN_LABEL_INSERT:
1743                 code = InsetBase::LABEL_CODE;
1744                 break;
1745         case LFUN_OPTIONAL_INSERT:
1746                 code = InsetBase::OPTARG_CODE;
1747                 enable = numberOfOptArgs(cur.paragraph())
1748                         < cur.paragraph().layout()->optionalargs;
1749                 break;
1750         case LFUN_ENVIRONMENT_INSERT:
1751                 code = InsetBase::BOX_CODE;
1752                 break;
1753         case LFUN_INDEX_INSERT:
1754                 code = InsetBase::INDEX_CODE;
1755                 break;
1756         case LFUN_INDEX_PRINT:
1757                 code = InsetBase::INDEX_PRINT_CODE;
1758                 break;
1759         case LFUN_NOMENCL_INSERT:
1760                 code = InsetBase::NOMENCL_CODE;
1761                 break;
1762         case LFUN_NOMENCL_PRINT:
1763                 code = InsetBase::NOMENCL_PRINT_CODE;
1764                 break;
1765         case LFUN_TOC_INSERT:
1766                 code = InsetBase::TOC_CODE;
1767                 break;
1768         case LFUN_HTML_INSERT:
1769         case LFUN_URL_INSERT:
1770                 code = InsetBase::URL_CODE;
1771                 break;
1772         case LFUN_QUOTE_INSERT:
1773                 // always allow this, since we will inset a raw quote
1774                 // if an inset is not allowed.
1775                 break;
1776         case LFUN_HYPHENATION_POINT_INSERT:
1777         case LFUN_LIGATURE_BREAK_INSERT:
1778         case LFUN_HFILL_INSERT:
1779         case LFUN_MENU_SEPARATOR_INSERT:
1780         case LFUN_DOTS_INSERT:
1781         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1782                 code = InsetBase::SPECIALCHAR_CODE;
1783                 break;
1784         case LFUN_SPACE_INSERT:
1785                 // slight hack: we know this is allowed in math mode
1786                 if (cur.inTexted())
1787                         code = InsetBase::SPACE_CODE;
1788                 break;
1789
1790         case LFUN_INSET_MODIFY:
1791                 // We need to disable this, because we may get called for a
1792                 // tabular cell via
1793                 // InsetTabular::getStatus() -> InsetText::getStatus()
1794                 // and we don't handle LFUN_INSET_MODIFY.
1795                 enable = false;
1796                 break;
1797
1798         case LFUN_FONT_EMPH:
1799                 flag.setOnOff(font.emph() == LyXFont::ON);
1800                 return true;
1801
1802         case LFUN_FONT_NOUN:
1803                 flag.setOnOff(font.noun() == LyXFont::ON);
1804                 return true;
1805
1806         case LFUN_FONT_BOLD:
1807                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1808                 return true;
1809
1810         case LFUN_FONT_SANS:
1811                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1812                 return true;
1813
1814         case LFUN_FONT_ROMAN:
1815                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1816                 return true;
1817
1818         case LFUN_FONT_CODE:
1819                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1820                 return true;
1821
1822         case LFUN_CUT:
1823         case LFUN_COPY:
1824                 enable = cur.selection();
1825                 break;
1826
1827         case LFUN_PASTE:
1828                 if (cmd.argument().empty()) {
1829                         if (theClipboard().isInternal())
1830                                 enable = cap::numberOfSelections() > 0;
1831                         else
1832                                 enable = !theClipboard().empty();
1833                 } else {
1834                         string const arg = to_utf8(cmd.argument());
1835                         if (isStrUnsignedInt(arg)) {
1836                                 unsigned int n = convert<unsigned int>(arg);
1837                                 enable = cap::numberOfSelections() > n;
1838                         } else
1839                                 // unknown argument
1840                                 enable = false;
1841                 }
1842                 break;
1843
1844         case LFUN_CLIPBOARD_PASTE:
1845                 enable = !theClipboard().empty();
1846                 break;
1847
1848         case LFUN_PRIMARY_SELECTION_PASTE:
1849                 enable = cur.selection() || !theSelection().empty();
1850                 break;
1851
1852         case LFUN_PARAGRAPH_MOVE_UP:
1853                 enable = cur.pit() > 0 && !cur.selection();
1854                 break;
1855
1856         case LFUN_PARAGRAPH_MOVE_DOWN:
1857                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1858                 break;
1859
1860         case LFUN_INSET_DISSOLVE:
1861                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1862                 break;
1863
1864         case LFUN_CHANGE_ACCEPT:
1865         case LFUN_CHANGE_REJECT:
1866                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1867                 // In principle, these LFUNs should only be enabled if there
1868                 // is a change at the current position/in the current selection.
1869                 // However, without proper optimizations, this will inevitably
1870                 // result in unacceptable performance - just imagine a user who
1871                 // wants to select the complete content of a long document.
1872                 enable = true;
1873                 break;
1874
1875         case LFUN_WORD_DELETE_FORWARD:
1876         case LFUN_WORD_DELETE_BACKWARD:
1877         case LFUN_LINE_DELETE:
1878         case LFUN_WORD_FORWARD:
1879         case LFUN_WORD_BACKWARD:
1880         case LFUN_CHAR_FORWARD:
1881         case LFUN_CHAR_FORWARD_SELECT:
1882         case LFUN_CHAR_BACKWARD:
1883         case LFUN_CHAR_BACKWARD_SELECT:
1884         case LFUN_UP:
1885         case LFUN_UP_SELECT:
1886         case LFUN_DOWN:
1887         case LFUN_DOWN_SELECT:
1888         case LFUN_PARAGRAPH_UP_SELECT:
1889         case LFUN_PARAGRAPH_DOWN_SELECT:
1890         case LFUN_SCREEN_UP_SELECT:
1891         case LFUN_SCREEN_DOWN_SELECT:
1892         case LFUN_LINE_BEGIN_SELECT:
1893         case LFUN_LINE_END_SELECT:
1894         case LFUN_WORD_FORWARD_SELECT:
1895         case LFUN_WORD_BACKWARD_SELECT:
1896         case LFUN_WORD_SELECT:
1897         case LFUN_PARAGRAPH_UP:
1898         case LFUN_PARAGRAPH_DOWN:
1899         case LFUN_SCREEN_UP:
1900         case LFUN_SCREEN_DOWN:
1901         case LFUN_LINE_BEGIN:
1902         case LFUN_LINE_END:
1903         case LFUN_BREAK_LINE:
1904         case LFUN_CHAR_DELETE_FORWARD:
1905         case LFUN_DELETE_FORWARD_SKIP:
1906         case LFUN_CHAR_DELETE_BACKWARD:
1907         case LFUN_DELETE_BACKWARD_SKIP:
1908         case LFUN_BREAK_PARAGRAPH:
1909         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1910         case LFUN_BREAK_PARAGRAPH_SKIP:
1911         case LFUN_PARAGRAPH_SPACING:
1912         case LFUN_INSET_INSERT:
1913         case LFUN_WORD_UPCASE:
1914         case LFUN_WORD_LOWCASE:
1915         case LFUN_WORD_CAPITALIZE:
1916         case LFUN_CHARS_TRANSPOSE:
1917         case LFUN_SERVER_GET_XY:
1918         case LFUN_SERVER_SET_XY:
1919         case LFUN_SERVER_GET_FONT:
1920         case LFUN_SERVER_GET_LAYOUT:
1921         case LFUN_LAYOUT:
1922         case LFUN_DATE_INSERT:
1923         case LFUN_SELF_INSERT:
1924         case LFUN_LINE_INSERT:
1925         case LFUN_PAGEBREAK_INSERT:
1926         case LFUN_CLEARPAGE_INSERT:
1927         case LFUN_CLEARDOUBLEPAGE_INSERT:
1928         case LFUN_MATH_DISPLAY:
1929         case LFUN_MATH_IMPORT_SELECTION:
1930         case LFUN_MATH_MODE:
1931         case LFUN_MATH_MACRO:
1932         case LFUN_MATH_MATRIX:
1933         case LFUN_MATH_DELIM:
1934         case LFUN_MATH_BIGDELIM:
1935         case LFUN_MATH_SUBSCRIPT:
1936         case LFUN_MATH_SUPERSCRIPT:
1937         case LFUN_FONT_DEFAULT:
1938         case LFUN_FONT_UNDERLINE:
1939         case LFUN_FONT_SIZE:
1940         case LFUN_LANGUAGE:
1941         case LFUN_FONT_FREE_APPLY:
1942         case LFUN_FONT_FREE_UPDATE:
1943         case LFUN_LAYOUT_PARAGRAPH:
1944         case LFUN_PARAGRAPH_UPDATE:
1945         case LFUN_ACCENT_UMLAUT:
1946         case LFUN_ACCENT_CIRCUMFLEX:
1947         case LFUN_ACCENT_GRAVE:
1948         case LFUN_ACCENT_ACUTE:
1949         case LFUN_ACCENT_TILDE:
1950         case LFUN_ACCENT_CEDILLA:
1951         case LFUN_ACCENT_MACRON:
1952         case LFUN_ACCENT_DOT:
1953         case LFUN_ACCENT_UNDERDOT:
1954         case LFUN_ACCENT_UNDERBAR:
1955         case LFUN_ACCENT_CARON:
1956         case LFUN_ACCENT_SPECIAL_CARON:
1957         case LFUN_ACCENT_BREVE:
1958         case LFUN_ACCENT_TIE:
1959         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1960         case LFUN_ACCENT_CIRCLE:
1961         case LFUN_ACCENT_OGONEK:
1962         case LFUN_THESAURUS_ENTRY:
1963         case LFUN_PARAGRAPH_PARAMS_APPLY:
1964         case LFUN_ESCAPE:
1965         case LFUN_BUFFER_END:
1966         case LFUN_BUFFER_BEGIN:
1967         case LFUN_BUFFER_BEGIN_SELECT:
1968         case LFUN_BUFFER_END_SELECT:
1969         case LFUN_UNICODE_INSERT:
1970                 // these are handled in our dispatch()
1971                 enable = true;
1972                 break;
1973
1974         default:
1975                 return false;
1976         }
1977
1978         if (code != InsetBase::NO_CODE
1979             && (cur.empty() || !cur.inset().insetAllowed(code)))
1980                 enable = false;
1981
1982         flag.enabled(enable);
1983         return true;
1984 }
1985
1986
1987 void LyXText::pasteString(LCursor & cur, docstring const & clip,
1988                 bool asParagraphs)
1989 {
1990         cur.clearSelection();
1991         if (!clip.empty()) {
1992                 recordUndo(cur);
1993                 if (asParagraphs)
1994                         insertStringAsParagraphs(cur, clip);
1995                 else
1996                         insertStringAsLines(cur, clip);
1997         }
1998 }
1999
2000 } // namespace lyx