src/Text3.cpp

   1 /**
   2  * \file text3.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "Text.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "Buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "BufferParams.h"
  26 #include "BufferView.h"
  27 #include "bufferview_funcs.h"
  28 #include "Cursor.h"
  29 #include "CoordCache.h"
  30 #include "CutAndPaste.h"
  31 #include "debug.h"
  32 #include "DispatchResult.h"
  33 #include "ErrorList.h"
  34 #include "factory.h"
  35 #include "FuncRequest.h"
  36 #include "gettext.h"
  37 #include "Intl.h"
  38 #include "Language.h"
  39 #include "LyXAction.h"
  40 #include "LyXFunc.h"
  41 #include "Lexer.h"
  42 #include "LyXRC.h"
  43 #include "Row.h"
  44 #include "Paragraph.h"
  45 #include "paragraph_funcs.h"
  46 #include "ParagraphParameters.h"
  47 #include "Undo.h"
  48 #include "VSpace.h"
  49 #include "ParIterator.h"
  50
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/InsetCommand.h"
  55 #include "insets/InsetFloatList.h"
  56 #include "insets/InsetNewline.h"
  57 #include "insets/InsetQuotes.h"
  58 #include "insets/InsetSpecialChar.h"
  59 #include "insets/InsetText.h"
  60
  61 #include "support/lstrings.h"
  62 #include "support/lyxlib.h"
  63 #include "support/convert.h"
  64 #include "support/lyxtime.h"
  65
  66 #include "mathed/InsetMathHull.h"
  67 #include "mathed/MathMacroTemplate.h"
  68
  69 #include <boost/current_function.hpp>
  70
  71 #include <clocale>
  72 #include <sstream>
  73
  74
  75 namespace lyx {
  76
  77 using cap::copySelection;
  78 using cap::cutSelection;
  79 using cap::pasteFromStack;
  80 using cap::pasteClipboard;
  81 using cap::replaceSelection;
  82 using cap::saveSelection;
  83
  84 using support::isStrUnsignedInt;
  85 using support::token;
  86
  87 using std::endl;
  88 using std::string;
  89 using std::istringstream;
  90 using std::ostringstream;
  91
  92
  93 extern string current_layout;
  94
  95
  96 namespace {
  97
  98         // globals...
  99         Font freefont(Font::ALL_IGNORE);
 100         bool toggleall = false;
 101
 102
 103         void toggleAndShow(Cursor & cur, Text * text,
 104                 Font const & font, bool toggleall = true)
 105         {
 106                 text->toggleFree(cur, font, toggleall);
 107
 108                 if (font.language() != ignore_language ||
 109                                 font.number() != Font::IGNORE) {
 110                         Paragraph & par = cur.paragraph();
 111                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 112                         if (cur.boundary() !=
 113                                         text->bidi.isBoundary(cur.buffer(), par,
 114                                                         cur.pos(),
 115                                                         text->real_current_font))
 116                                 text->setCursor(cur, cur.pit(), cur.pos(),
 117                                                 false, !cur.boundary());
 118                 }
 119         }
 120
 121
 122         void moveCursor(Cursor & cur, bool selecting)
 123         {
 124                 if (selecting || cur.mark())
 125                         cur.setSelection();
 126                 saveSelection(cur);
 127                 cur.bv().switchKeyMap();
 128         }
 129
 130
 131         void finishChange(Cursor & cur, bool selecting)
 132         {
 133                 finishUndo();
 134                 moveCursor(cur, selecting);
 135         }
 136
 137
 138         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 139         {
 140                 recordUndo(cur);
 141                 docstring sel = cur.selectionAsString(false);
 142
 143                 // It may happen that sel is empty but there is a selection
 144                 replaceSelection(cur);
 145
 146                 if (sel.empty()) {
 147 #ifdef ENABLE_ASSERTIONS
 148                         const int old_pos = cur.pos();
 149 #endif
 150                         cur.insert(new InsetMathHull(hullSimple));
 151                         BOOST_ASSERT(old_pos == cur.pos());
 152                         cur.nextInset()->edit(cur, true);
 153                         // don't do that also for LFUN_MATH_MODE
 154                         // unless you want end up with always changing
 155                         // to mathrm when opening an inlined inset --
 156                         // I really hate "LyXfunc overloading"...
 157                         if (display)
 158                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 159                         // Avoid an unnecessary undo step if cmd.argument
 160                         // is empty
 161                         if (!cmd.argument().empty())
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 163                                                          cmd.argument()));
 164                 } else {
 165                         // create a macro if we see "\\newcommand"
 166                         // somewhere, and an ordinary formula
 167                         // otherwise
 168                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 169                             && sel.find(from_ascii("\\def")) == string::npos)
 170                         {
 171                                 InsetMathHull * formula = new InsetMathHull;
 172                                 istringstream is(to_utf8(sel));
 173                                 Lexer lex(0, 0);
 174                                 lex.setStream(is);
 175                                 formula->read(cur.buffer(), lex);
 176                                 if (formula->getType() == hullNone)
 177                                         // Don't create pseudo formulas if
 178                                         // delimiters are left out
 179                                         formula->mutate(hullSimple);
 180                                 cur.insert(formula);
 181                         } else {
 182                                 cur.insert(new MathMacroTemplate(sel));
 183                         }
 184                 }
 185                 cur.message(from_utf8(N_("Math editor mode")));
 186         }
 187
 188 } // namespace anon
 189
 190
 191
 192 namespace bv_funcs {
 193
 194 string const freefont2string()
 195 {
 196         string data;
 197         if (font2string(freefont, toggleall, data))
 198                 return data;
 199         return string();
 200 }
 201
 202 }
 203
 204 void Text::cursorPrevious(Cursor & cur)
 205 {
 206         pos_type cpos = cur.pos();
 207         pit_type cpar = cur.pit();
 208
 209         int x = cur.x_target();
 210         setCursorFromCoordinates(cur, x, 0);
 211         cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 212
 213         if (cpar == cur.pit() && cpos == cur.pos())
 214                 // we have a row which is taller than the workarea. The
 215                 // simplest solution is to move to the previous row instead.
 216                 cur.dispatch(FuncRequest(cur.selection()? LFUN_UP_SELECT: LFUN_UP));
 217
 218         finishUndo();
 219         cur.updateFlags(Update::Force | Update::FitCursor);
 220 }
 221
 222
 223 void Text::cursorNext(Cursor & cur)
 224 {
 225         pos_type cpos = cur.pos();
 226         pit_type cpar = cur.pit();
 227
 228         int x = cur.x_target();
 229         setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 230         cur.dispatch(FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 231
 232         if (cpar == cur.pit() && cpos == cur.pos())
 233                 // we have a row which is taller than the workarea. The
 234                 // simplest solution is to move to the next row instead.
 235                 cur.dispatch(
 236                         FuncRequest(cur.selection()? LFUN_DOWN_SELECT: LFUN_DOWN));
 237
 238         finishUndo();
 239         cur.updateFlags(Update::Force | Update::FitCursor);
 240 }
 241
 242
 243 namespace {
 244
 245 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 246 {
 247         recordUndo(cur);
 248         cap::replaceSelection(cur);
 249         cur.insert(new InsetSpecialChar(kind));
 250         cur.posRight();
 251 }
 252
 253
 254 bool doInsertInset(Cursor & cur, Text * text,
 255         FuncRequest const & cmd, bool edit, bool pastesel)
 256 {
 257         Inset * inset = createInset(&cur.bv(), cmd);
 258         if (!inset)
 259                 return false;
 260
 261         recordUndo(cur);
 262         bool gotsel = false;
 263         if (cur.selection()) {
 264                 lyx::dispatch(FuncRequest(LFUN_CUT));
 265                 gotsel = true;
 266         }
 267         text->insertInset(cur, inset);
 268
 269         if (edit)
 270                 inset->edit(cur, true);
 271
 272         if (gotsel && pastesel) {
 273                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 274                 // reset first par to default
 275                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 276                         Layout_ptr const layout =
 277                                 cur.buffer().params().getTextClass().defaultLayout();
 278                         cur.text()->paragraphs().begin()->layout(layout);
 279                 }
 280         }
 281         return true;
 282 }
 283
 284
 285 } // anon namespace
 286
 287
 288 void Text::number(Cursor & cur)
 289 {
 290         Font font(Font::ALL_IGNORE);
 291         font.setNumber(Font::TOGGLE);
 292         toggleAndShow(cur, this, font);
 293 }
 294
 295
 296 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 297 {
 298         return par.isRightToLeftPar(buffer.params());
 299 }
 300
 301
 302 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 303 {
 304         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 305
 306         // FIXME: We use the update flag to indicates wether a singlePar or a
 307         // full screen update is needed. We reset it here but shall we restore it
 308         // at the end?
 309         cur.noUpdate();
 310
 311         BOOST_ASSERT(cur.text() == this);
 312         BufferView * bv = &cur.bv();
 313         CursorSlice oldTopSlice = cur.top();
 314         bool oldBoundary = cur.boundary();
 315         bool sel = cur.selection();
 316         // Signals that, even if needsUpdate == false, an update of the
 317         // cursor paragraph is required
 318         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 319                 LyXAction::SingleParUpdate);
 320         // Signals that a full-screen update is required
 321         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 322                 LyXAction::NoUpdate) || singleParUpdate);
 323         // Remember the old paragraph metric (_outer_ paragraph!)
 324         ParagraphMetrics const & pm = cur.bv().parMetrics(
 325                 cur.bottom().text(), cur.bottom().pit());
 326         Dimension olddim = pm.dim();
 327
 328         switch (cmd.action) {
 329
 330         case LFUN_PARAGRAPH_MOVE_DOWN: {
 331                 pit_type const pit = cur.pit();
 332                 recUndo(cur, pit, pit + 1);
 333                 finishUndo();
 334                 std::swap(pars_[pit], pars_[pit + 1]);
 335
 336                 ParIterator begin(cur);
 337                 // begin.pos() (== cur.pos()) may point beyond the end of the
 338                 // paragraph referenced by begin. This would cause a crash
 339                 // in updateLabels()
 340                 begin.pos() = 0;
 341                 ++cur.pit();
 342                 ParIterator end = boost::next(ParIterator(cur));
 343                 updateLabels(cur.buffer(), begin, end);
 344
 345                 needsUpdate = true;
 346                 break;
 347         }
 348
 349         case LFUN_PARAGRAPH_MOVE_UP: {
 350                 pit_type const pit = cur.pit();
 351                 recUndo(cur, pit - 1, pit);
 352                 finishUndo();
 353                 std::swap(pars_[pit], pars_[pit - 1]);
 354
 355                 ParIterator end = ParIterator(cur);
 356                 // end.pos() (== cur.pos()) may point beyond the end of the
 357                 // paragraph referenced by end. This would cause a crash
 358                 // in boost::next()
 359                 end.pos() = 0;
 360                 end = boost::next(end);
 361                 --cur.pit();
 362                 ParIterator begin(cur);
 363                 updateLabels(cur.buffer(), begin, end);
 364
 365                 needsUpdate = true;
 366                 break;
 367         }
 368
 369         case LFUN_APPENDIX: {
 370                 Paragraph & par = cur.paragraph();
 371                 bool start = !par.params().startOfAppendix();
 372
 373 #ifdef WITH_WARNINGS
 374 #warning The code below only makes sense at top level.
 375 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 376 #endif
 377                 // ensure that we have only one start_of_appendix in this document
 378                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 379                         if (pars_[tmp].params().startOfAppendix()) {
 380                                 recUndo(cur, tmp);
 381                                 pars_[tmp].params().startOfAppendix(false);
 382                                 break;
 383                         }
 384                 }
 385
 386                 recordUndo(cur);
 387                 par.params().startOfAppendix(start);
 388
 389                 // we can set the refreshing parameters now
 390                 updateLabels(cur.buffer());
 391                 break;
 392         }
 393
 394         case LFUN_WORD_DELETE_FORWARD:
 395                 cur.clearSelection();
 396                 deleteWordForward(cur);
 397                 finishChange(cur, false);
 398                 break;
 399
 400         case LFUN_WORD_DELETE_BACKWARD:
 401                 cur.clearSelection();
 402                 deleteWordBackward(cur);
 403                 finishChange(cur, false);
 404                 break;
 405
 406         case LFUN_LINE_DELETE:
 407                 cur.clearSelection();
 408                 deleteLineForward(cur);
 409                 finishChange(cur, false);
 410                 break;
 411
 412         case LFUN_BUFFER_BEGIN:
 413         case LFUN_BUFFER_BEGIN_SELECT:
 414                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 415                 if (cur.depth() == 1) {
 416                         needsUpdate |= cursorTop(cur);
 417                 } else {
 418                         cur.undispatched();
 419                 }
 420                 break;
 421
 422         case LFUN_BUFFER_END:
 423         case LFUN_BUFFER_END_SELECT:
 424                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 425                 if (cur.depth() == 1) {
 426                         needsUpdate |= cursorBottom(cur);
 427                 } else {
 428                         cur.undispatched();
 429                 }
 430                 break;
 431
 432         case LFUN_CHAR_FORWARD:
 433         case LFUN_CHAR_FORWARD_SELECT:
 434                 //lyxerr << BOOST_CURRENT_FUNCTION
 435                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 436                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 437                 if (reverseDirectionNeeded(cur))
 438                         needsUpdate |= cursorLeft(cur);
 439                 else
 440                         needsUpdate |= cursorRight(cur);
 441
 442                 if (!needsUpdate && oldTopSlice == cur.top()
 443                                 && cur.boundary() == oldBoundary) {
 444                         cur.undispatched();
 445                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 446                 }
 447                 if (cur.selection())
 448                         saveSelection(cur);
 449                 break;
 450
 451         case LFUN_CHAR_BACKWARD:
 452         case LFUN_CHAR_BACKWARD_SELECT:
 453                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 454                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 455                 if (reverseDirectionNeeded(cur))
 456                         needsUpdate |= cursorRight(cur);
 457                 else
 458                         needsUpdate |= cursorLeft(cur);
 459
 460                 if (!needsUpdate && oldTopSlice == cur.top()
 461                         && cur.boundary() == oldBoundary) {
 462                         cur.undispatched();
 463                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 464                 }
 465                 if (cur.selection())
 466                         saveSelection(cur);
 467                 break;
 468
 469         case LFUN_UP:
 470         case LFUN_UP_SELECT:
 471                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 472                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 473                 needsUpdate |= cur.upDownInText(true);
 474
 475                 if (!needsUpdate && oldTopSlice == cur.top()
 476                           && cur.boundary() == oldBoundary)
 477                         cur.undispatched();
 478                 if (cur.selection())
 479                         saveSelection(cur);
 480                 break;
 481
 482         case LFUN_DOWN:
 483         case LFUN_DOWN_SELECT:
 484                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 485                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 486                 needsUpdate |= cur.upDownInText(false);
 487
 488                 if (!needsUpdate && oldTopSlice == cur.top() &&
 489                     cur.boundary() == oldBoundary)
 490                         cur.undispatched();
 491                 if (cur.selection())
 492                         saveSelection(cur);
 493                 break;
 494
 495         case LFUN_PARAGRAPH_UP:
 496         case LFUN_PARAGRAPH_UP_SELECT:
 497                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 498                 needsUpdate |= cursorUpParagraph(cur);
 499                 if (cur.selection())
 500                         saveSelection(cur);
 501                 break;
 502
 503         case LFUN_PARAGRAPH_DOWN:
 504         case LFUN_PARAGRAPH_DOWN_SELECT:
 505                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 506                 needsUpdate |= cursorDownParagraph(cur);
 507                 if (cur.selection())
 508                         saveSelection(cur);
 509                 break;
 510
 511         case LFUN_SCREEN_UP:
 512         case LFUN_SCREEN_UP_SELECT:
 513                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 514                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 515                         cur.undispatched();
 516                 else {
 517                         cursorPrevious(cur);
 518                 }
 519                 if (cur.selection())
 520                         saveSelection(cur);
 521                 break;
 522
 523         case LFUN_SCREEN_DOWN:
 524         case LFUN_SCREEN_DOWN_SELECT:
 525                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 526                 if (cur.pit() == cur.lastpit()
 527                           && cur.textRow().endpos() == cur.lastpos())
 528                         cur.undispatched();
 529                 else {
 530                         cursorNext(cur);
 531                 }
 532                 if (cur.selection())
 533                         saveSelection(cur);
 534                 break;
 535
 536         case LFUN_LINE_BEGIN:
 537         case LFUN_LINE_BEGIN_SELECT:
 538                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 539                 needsUpdate |= cursorHome(cur);
 540                 break;
 541
 542         case LFUN_LINE_END:
 543         case LFUN_LINE_END_SELECT:
 544                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 545                 needsUpdate |= cursorEnd(cur);
 546                 if (cur.selection())
 547                         saveSelection(cur);
 548                 break;
 549
 550         case LFUN_WORD_FORWARD:
 551         case LFUN_WORD_FORWARD_SELECT:
 552                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 553                 if (reverseDirectionNeeded(cur))
 554                         needsUpdate |= cursorLeftOneWord(cur);
 555                 else
 556                         needsUpdate |= cursorRightOneWord(cur);
 557                 if (cur.selection())
 558                         saveSelection(cur);
 559                 break;
 560
 561         case LFUN_WORD_BACKWARD:
 562         case LFUN_WORD_BACKWARD_SELECT:
 563                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 564                 if (reverseDirectionNeeded(cur))
 565                         needsUpdate |= cursorRightOneWord(cur);
 566                 else
 567                         needsUpdate |= cursorLeftOneWord(cur);
 568                 if (cur.selection())
 569                         saveSelection(cur);
 570                 break;
 571
 572         case LFUN_WORD_SELECT: {
 573                 selectWord(cur, WHOLE_WORD);
 574                 finishChange(cur, true);
 575                 break;
 576         }
 577
 578         case LFUN_BREAK_LINE: {
 579                 // Not allowed by LaTeX (labels or empty par)
 580                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 581                         // this avoids a double undo
 582                         // FIXME: should not be needed, ideally
 583                         if (!cur.selection())
 584                                 recordUndo(cur);
 585                         cap::replaceSelection(cur);
 586                         cur.insert(new InsetNewline);
 587                         cur.posRight();
 588                         moveCursor(cur, false);
 589                 }
 590                 break;
 591         }
 592
 593         case LFUN_CHAR_DELETE_FORWARD:
 594                 if (!cur.selection()) {
 595                         if (cur.pos() == cur.paragraph().size())
 596                                 // Par boundary, force full-screen update
 597                                 singleParUpdate = false;
 598                         needsUpdate |= erase(cur);
 599                         cur.resetAnchor();
 600                         // It is possible to make it a lot faster still
 601                         // just comment out the line below...
 602                 } else {
 603                         cutSelection(cur, true, false);
 604                         singleParUpdate = false;
 605                 }
 606                 moveCursor(cur, false);
 607                 break;
 608
 609         case LFUN_DELETE_FORWARD_SKIP:
 610                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 611                 if (!cur.selection()) {
 612                         if (cur.pos() == cur.lastpos()) {
 613                                 cursorRight(cur);
 614                                 cursorLeft(cur);
 615                         }
 616                         erase(cur);
 617                         cur.resetAnchor();
 618                 } else {
 619                         cutSelection(cur, true, false);
 620                 }
 621                 break;
 622
 623
 624         case LFUN_CHAR_DELETE_BACKWARD:
 625                 if (!cur.selection()) {
 626                         if (bv->getIntl().getTransManager().backspace()) {
 627                                 // Par boundary, full-screen update
 628                                 if (cur.pos() == 0)
 629                                         singleParUpdate = false;
 630                                 needsUpdate |= backspace(cur);
 631                                 cur.resetAnchor();
 632                                 // It is possible to make it a lot faster still
 633                                 // just comment out the line below...
 634                         }
 635                 } else {
 636                         cutSelection(cur, true, false);
 637                         singleParUpdate = false;
 638                 }
 639                 bv->switchKeyMap();
 640                 break;
 641
 642         case LFUN_DELETE_BACKWARD_SKIP:
 643                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 644                 if (!cur.selection()) {
 645 #ifdef WITH_WARNINGS
 646 #warning look here
 647 #endif
 648                         //CursorSlice cur = cursor();
 649                         backspace(cur);
 650                         //anchor() = cur;
 651                 } else {
 652                         cutSelection(cur, true, false);
 653                 }
 654                 break;
 655
 656         case LFUN_BREAK_PARAGRAPH:
 657                 cap::replaceSelection(cur);
 658                 breakParagraph(cur, 0);
 659                 cur.resetAnchor();
 660                 bv->switchKeyMap();
 661                 break;
 662
 663         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 664                 cap::replaceSelection(cur);
 665                 breakParagraph(cur, 1);
 666                 cur.resetAnchor();
 667                 bv->switchKeyMap();
 668                 break;
 669
 670         case LFUN_BREAK_PARAGRAPH_SKIP: {
 671                 // When at the beginning of a paragraph, remove
 672                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 673                 cap::replaceSelection(cur);
 674                 if (cur.pos() == 0)
 675                         cur.paragraph().params().labelWidthString(docstring());
 676                 else
 677                         breakParagraph(cur, 0);
 678                 cur.resetAnchor();
 679                 bv->switchKeyMap();
 680                 break;
 681         }
 682
 683         case LFUN_PARAGRAPH_SPACING: {
 684                 Paragraph & par = cur.paragraph();
 685                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 686                 string cur_value = "1.0";
 687                 if (cur_spacing == Spacing::Other)
 688                         cur_value = par.params().spacing().getValueAsString();
 689
 690                 istringstream is(to_utf8(cmd.argument()));
 691                 string tmp;
 692                 is >> tmp;
 693                 Spacing::Space new_spacing = cur_spacing;
 694                 string new_value = cur_value;
 695                 if (tmp.empty()) {
 696                         lyxerr << "Missing argument to `paragraph-spacing'"
 697                                << endl;
 698                 } else if (tmp == "single") {
 699                         new_spacing = Spacing::Single;
 700                 } else if (tmp == "onehalf") {
 701                         new_spacing = Spacing::Onehalf;
 702                 } else if (tmp == "double") {
 703                         new_spacing = Spacing::Double;
 704                 } else if (tmp == "other") {
 705                         new_spacing = Spacing::Other;
 706                         string tmpval = "0.0";
 707                         is >> tmpval;
 708                         lyxerr << "new_value = " << tmpval << endl;
 709                         if (tmpval != "0.0")
 710                                 new_value = tmpval;
 711                 } else if (tmp == "default") {
 712                         new_spacing = Spacing::Default;
 713                 } else {
 714                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 715                                << to_utf8(cmd.argument()) << endl;
 716                 }
 717                 if (cur_spacing != new_spacing || cur_value != new_value)
 718                         par.params().spacing(Spacing(new_spacing, new_value));
 719                 break;
 720         }
 721
 722         case LFUN_INSET_INSERT: {
 723                 recordUndo(cur);
 724                 Inset * inset = createInset(bv, cmd);
 725                 if (inset) {
 726                         // FIXME (Abdel 01/02/2006):
 727                         // What follows would be a partial fix for bug 2154:
 728                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 729                         // This automatically put the label inset _after_ a
 730                         // numbered section. It should be possible to extend the mechanism
 731                         // to any kind of LateX environement.
 732                         // The correct way to fix that bug would be at LateX generation.
 733                         // I'll let the code here for reference as it could be used for some
 734                         // other feature like "automatic labelling".
 735                         /*
 736                         Paragraph & par = pars_[cur.pit()];
 737                         if (inset->lyxCode() == Inset::LABEL_CODE
 738                                 && par.layout()->labeltype == LABEL_COUNTER) {
 739                                 // Go to the end of the paragraph
 740                                 // Warning: Because of Change-Tracking, the last
 741                                 // position is 'size()' and not 'size()-1':
 742                                 cur.pos() = par.size();
 743                                 // Insert a new paragraph
 744                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 745                                 dispatch(cur, fr);
 746                         }
 747                         */
 748                         insertInset(cur, inset);
 749                         cur.posRight();
 750                 }
 751                 break;
 752         }
 753
 754         case LFUN_INSET_DISSOLVE:
 755                 needsUpdate |= dissolveInset(cur);
 756                 break;
 757
 758         case LFUN_INSET_SETTINGS:
 759                 cur.inset().showInsetDialog(bv);
 760                 break;
 761
 762         case LFUN_SPACE_INSERT:
 763                 if (cur.paragraph().layout()->free_spacing)
 764                         insertChar(cur, ' ');
 765                 else {
 766                         doInsertInset(cur, this, cmd, false, false);
 767                         cur.posRight();
 768                 }
 769                 moveCursor(cur, false);
 770                 break;
 771
 772         case LFUN_HYPHENATION_POINT_INSERT:
 773                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 774                 break;
 775
 776         case LFUN_LIGATURE_BREAK_INSERT:
 777                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 778                 break;
 779
 780         case LFUN_DOTS_INSERT:
 781                 specialChar(cur, InsetSpecialChar::LDOTS);
 782                 break;
 783
 784         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 785                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 786                 break;
 787
 788         case LFUN_MENU_SEPARATOR_INSERT:
 789                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 790                 break;
 791
 792         case LFUN_WORD_UPCASE:
 793                 changeCase(cur, Text::text_uppercase);
 794                 break;
 795
 796         case LFUN_WORD_LOWCASE:
 797                 changeCase(cur, Text::text_lowercase);
 798                 break;
 799
 800         case LFUN_WORD_CAPITALIZE:
 801                 changeCase(cur, Text::text_capitalization);
 802                 break;
 803
 804         case LFUN_CHARS_TRANSPOSE:
 805                 charsTranspose(cur);
 806                 break;
 807
 808         case LFUN_PASTE:
 809                 cur.message(_("Paste"));
 810                 cap::replaceSelection(cur);
 811                 if (cmd.argument().empty() && !theClipboard().isInternal())
 812                         pasteClipboard(cur, bv->buffer()->errorList("Paste"));
 813                 else {
 814                         string const arg(to_utf8(cmd.argument()));
 815                         pasteFromStack(cur, bv->buffer()->errorList("Paste"),
 816                                         isStrUnsignedInt(arg) ?
 817                                                 convert<unsigned int>(arg) :
 818                                                 0);
 819                 }
 820                 bv->buffer()->errors("Paste");
 821                 cur.clearSelection(); // bug 393
 822                 bv->switchKeyMap();
 823                 finishUndo();
 824                 break;
 825
 826         case LFUN_CUT:
 827                 cutSelection(cur, true, true);
 828                 cur.message(_("Cut"));
 829                 break;
 830
 831         case LFUN_COPY:
 832                 copySelection(cur);
 833                 cur.message(_("Copy"));
 834                 break;
 835
 836         case LFUN_SERVER_GET_XY:
 837                 cur.message(from_utf8(
 838                         convert<string>(cursorX(cur.bv(), cur.top(), cur.boundary()))
 839                         + ' ' + convert<string>(cursorY(cur.bv(), cur.top(), cur.boundary()))));
 840                 break;
 841
 842         case LFUN_SERVER_SET_XY: {
 843                 int x = 0;
 844                 int y = 0;
 845                 istringstream is(to_utf8(cmd.argument()));
 846                 is >> x >> y;
 847                 if (!is)
 848                         lyxerr << "SETXY: Could not parse coordinates in '"
 849                                << to_utf8(cmd.argument()) << std::endl;
 850                 else
 851                         setCursorFromCoordinates(cur, x, y);
 852                 break;
 853         }
 854
 855         case LFUN_SERVER_GET_FONT:
 856                 if (current_font.shape() == Font::ITALIC_SHAPE)
 857                         cur.message(from_ascii("E"));
 858                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 859                         cur.message(from_ascii("N"));
 860                 else
 861                         cur.message(from_ascii("0"));
 862                 break;
 863
 864         case LFUN_SERVER_GET_LAYOUT:
 865                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 866                 break;
 867
 868         case LFUN_LAYOUT: {
 869                 string layout = to_ascii(cmd.argument());
 870                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << layout << endl;
 871
 872                 // Derive layout number from given argument (string)
 873                 // and current buffer's textclass (number)
 874                 TextClass const & tclass = bv->buffer()->params().getTextClass();
 875                 if (layout.empty())
 876                         layout = tclass.defaultLayoutName();
 877                 bool hasLayout = tclass.hasLayout(layout);
 878
 879                 // If the entry is obsolete, use the new one instead.
 880                 if (hasLayout) {
 881                         string const & obs = tclass[layout]->obsoleted_by();
 882                         if (!obs.empty())
 883                                 layout = obs;
 884                 }
 885
 886                 if (!hasLayout) {
 887                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 888                                 from_utf8(N_(" not known")));
 889                         break;
 890                 }
 891
 892                 bool change_layout = (current_layout != layout);
 893
 894                 if (!change_layout && cur.selection() &&
 895                         cur.selBegin().pit() != cur.selEnd().pit())
 896                 {
 897                         pit_type spit = cur.selBegin().pit();
 898                         pit_type epit = cur.selEnd().pit() + 1;
 899                         while (spit != epit) {
 900                                 if (pars_[spit].layout()->name() != current_layout) {
 901                                         change_layout = true;
 902                                         break;
 903                                 }
 904                                 ++spit;
 905                         }
 906                 }
 907
 908                 if (change_layout) {
 909                         current_layout = layout;
 910                         setLayout(cur, layout);
 911                         // inform the GUI that the layout has changed.
 912                         bv->layoutChanged(layout);
 913                         bv->switchKeyMap();
 914                 }
 915                 break;
 916         }
 917
 918         case LFUN_CLIPBOARD_PASTE:
 919                 cur.clearSelection();
 920                 pasteClipboard(cur, bv->buffer()->errorList("Paste"),
 921                                cmd.argument() == "paragraph");
 922                 bv->buffer()->errors("Paste");
 923                 break;
 924
 925         case LFUN_PRIMARY_SELECTION_PASTE:
 926                 pasteString(cur, theSelection().get(),
 927                             cmd.argument() == "paragraph");
 928                 break;
 929
 930         case LFUN_UNICODE_INSERT: {
 931                 if (cmd.argument().empty())
 932                         break;
 933                 docstring hexstring = cmd.argument();
 934                 if (lyx::support::isHex(hexstring)) {
 935                         char_type c = lyx::support::hexToInt(hexstring);
 936                         if (c > 32 && c < 0x10ffff) {
 937                                 lyxerr << "Inserting c: " << c << endl;
 938                                 docstring s = docstring(1, c);
 939                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 940                         }
 941                 }
 942                 break;
 943         }
 944
 945         case LFUN_QUOTE_INSERT: {
 946                 Paragraph & par = cur.paragraph();
 947                 pos_type pos = cur.pos();
 948                 BufferParams const & bufparams = bv->buffer()->params();
 949                 Layout_ptr const & style = par.layout();
 950                 if (!style->pass_thru
 951                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 952                         // this avoids a double undo
 953                         // FIXME: should not be needed, ideally
 954                         if (!cur.selection())
 955                                 recordUndo(cur);
 956                         cap::replaceSelection(cur);
 957                         pos = cur.pos();
 958                         char_type c;
 959                         if (pos == 0)
 960                                 c = ' ';
 961                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 962                                 c = ' ';
 963                         else
 964                                 c = par.getChar(pos - 1);
 965                         string arg = to_utf8(cmd.argument());
 966                         if (arg == "single")
 967                                 cur.insert(new InsetQuotes(c,
 968                                     bufparams.quotes_language,
 969                                     InsetQuotes::SingleQ));
 970                         else
 971                                 cur.insert(new InsetQuotes(c,
 972                                     bufparams.quotes_language,
 973                                     InsetQuotes::DoubleQ));
 974                         cur.posRight();
 975                 }
 976                 else
 977                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 978                 break;
 979         }
 980
 981         case LFUN_DATE_INSERT:
 982                 if (cmd.argument().empty())
 983                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 984                                 formatted_time(current_time())));
 985                 else
 986                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 987                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 988                 break;
 989
 990         case LFUN_MOUSE_TRIPLE:
 991                 if (cmd.button() == mouse_button::button1) {
 992                         cursorHome(cur);
 993                         cur.resetAnchor();
 994                         cursorEnd(cur);
 995                         cur.setSelection();
 996                         bv->cursor() = cur;
 997                         saveSelection(cur);
 998                 }
 999                 break;
1000
1001         case LFUN_MOUSE_DOUBLE:
1002                 if (cmd.button() == mouse_button::button1) {
1003                         selectWord(cur, WHOLE_WORD_STRICT);
1004                         bv->cursor() = cur;
1005                 }
1006                 break;
1007
1008         // Single-click on work area
1009         case LFUN_MOUSE_PRESS: {
1010                 // Right click on a footnote flag opens float menu
1011                 if (cmd.button() == mouse_button::button3)
1012                         cur.clearSelection();
1013
1014                 // Middle button press pastes if we have a selection
1015                 // We do this here as if the selection was inside an inset
1016                 // it could get cleared on the unlocking of the inset so
1017                 // we have to check this first
1018                 bool paste_internally = false;
1019                 if (cmd.button() == mouse_button::button2 && cap::selection()) {
1020                         // Copy the selection buffer to the clipboard
1021                         // stack, because we want it to appear in the
1022                         // "Edit->Paste recent" menu.
1023                         cap::copySelectionToStack();
1024                         paste_internally = true;
1025                 }
1026
1027                 // we have to update after dePM triggered
1028                 bool update = bv->mouseSetCursor(cur);
1029
1030                 // Insert primary selection with middle mouse
1031                 // if there is a local selection in the current buffer,
1032                 // insert this
1033                 if (cmd.button() == mouse_button::button2) {
1034                         if (paste_internally) {
1035                                 cap::pasteSelection(cur, bv->buffer()->errorList("Paste"));
1036                                 bv->buffer()->errors("Paste");
1037                                 cur.clearSelection(); // bug 393
1038                                 bv->switchKeyMap();
1039                                 finishUndo();
1040                         } else
1041                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1042                 }
1043
1044                 if (!update && cmd.button() == mouse_button::button1) {
1045                         needsUpdate = false;
1046                         cur.noUpdate();
1047                 }
1048
1049                 break;
1050         }
1051
1052         case LFUN_MOUSE_MOTION: {
1053                 // Only use motion with button 1
1054                 //if (cmd.button() != mouse_button::button1)
1055                 //      return false;
1056
1057                 // ignore motions deeper nested than the real anchor
1058                 Cursor & bvcur = cur.bv().cursor();
1059                 if (bvcur.anchor_.hasPart(cur)) {
1060                         CursorSlice old = bvcur.top();
1061
1062                         int const wh = bv->workHeight();
1063                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1064
1065                         setCursorFromCoordinates(cur, cmd.x, y);
1066                         cur.setTargetX(cmd.x);
1067                         if (cmd.y >= wh)
1068                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1069                         else if (cmd.y < 0)
1070                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1071                         // This is to allow jumping over large insets
1072                         if (cur.top() == old) {
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                         }
1078
1079                         if (cur.top() == old)
1080                                 cur.noUpdate();
1081                         else {
1082                                 // don't set anchor_
1083                                 bvcur.setCursor(cur);
1084                                 bvcur.selection() = true;
1085                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1086                         }
1087
1088                 } else
1089                         cur.undispatched();
1090                 break;
1091         }
1092
1093         case LFUN_MOUSE_RELEASE: {
1094                 if (cmd.button() == mouse_button::button2)
1095                         break;
1096
1097                 if (cmd.button() == mouse_button::button1) {
1098                         // if there is new selection, update persistent
1099                         // selection, otherwise, single click does not
1100                         // clear persistent selection buffer
1101                         if (cur.selection()) {
1102                                 // finish selection
1103                                 // if double click, cur is moved to the end of word by selectWord
1104                                 // but bvcur is current mouse position
1105                                 Cursor & bvcur = cur.bv().cursor();
1106                                 bvcur.selection() = true;
1107                                 saveSelection(bvcur);
1108                         }
1109                         needsUpdate = false;
1110                         cur.noUpdate();
1111                 }
1112
1113                 bv->switchKeyMap();
1114                 break;
1115         }
1116
1117         case LFUN_SELF_INSERT: {
1118                 if (cmd.argument().empty())
1119                         break;
1120
1121                 // Automatically delete the currently selected
1122                 // text and replace it with what is being
1123                 // typed in now. Depends on lyxrc settings
1124                 // "auto_region_delete", which defaults to
1125                 // true (on).
1126
1127                 if (lyxrc.auto_region_delete)
1128                         if (cur.selection())
1129                                 cutSelection(cur, false, false);
1130
1131                 cur.clearSelection();
1132                 Font const old_font = real_current_font;
1133
1134                 docstring::const_iterator cit = cmd.argument().begin();
1135                 docstring::const_iterator end = cmd.argument().end();
1136                 for (; cit != end; ++cit)
1137                         bv->getIntl().getTransManager().
1138                                 translateAndInsert(*cit, this, cur);
1139
1140                 cur.resetAnchor();
1141                 moveCursor(cur, false);
1142                 break;
1143         }
1144
1145         case LFUN_URL_INSERT: {
1146                 InsetCommandParams p("url");
1147                 string const data = InsetCommandMailer::params2string("url", p);
1148                 bv->showInsetDialog("url", data, 0);
1149                 break;
1150         }
1151
1152         case LFUN_HTML_INSERT: {
1153                 InsetCommandParams p("htmlurl");
1154                 string const data = InsetCommandMailer::params2string("url", p);
1155                 bv->showInsetDialog("url", data, 0);
1156                 break;
1157         }
1158
1159         case LFUN_LABEL_INSERT: {
1160                 InsetCommandParams p("label");
1161                 // Try to generate a valid label
1162                 p["name"] = (cmd.argument().empty()) ?
1163                         cur.getPossibleLabel() :
1164                         cmd.argument();
1165                 string const data = InsetCommandMailer::params2string("label", p);
1166
1167                 if (cmd.argument().empty()) {
1168                         bv->showInsetDialog("label", data, 0);
1169                 } else {
1170                         FuncRequest fr(LFUN_INSET_INSERT, data);
1171                         dispatch(cur, fr);
1172                 }
1173                 break;
1174         }
1175
1176
1177 #if 0
1178         case LFUN_LIST_INSERT:
1179         case LFUN_THEOREM_INSERT:
1180 #endif
1181         case LFUN_CAPTION_INSERT:
1182                 // Open the inset, and move the current selection
1183                 // inside it.
1184                 doInsertInset(cur, this, cmd, true, true);
1185                 cur.posRight();
1186                 updateLabels(*bv->buffer());
1187                 break;
1188         case LFUN_NOTE_INSERT:
1189         case LFUN_CHARSTYLE_INSERT:
1190         case LFUN_BOX_INSERT:
1191         case LFUN_BRANCH_INSERT:
1192         case LFUN_BIBITEM_INSERT:
1193         case LFUN_ERT_INSERT:
1194         case LFUN_LISTING_INSERT:
1195         case LFUN_FOOTNOTE_INSERT:
1196         case LFUN_MARGINALNOTE_INSERT:
1197         case LFUN_OPTIONAL_INSERT:
1198         case LFUN_ENVIRONMENT_INSERT:
1199                 // Open the inset, and move the current selection
1200                 // inside it.
1201                 doInsertInset(cur, this, cmd, true, true);
1202                 cur.posRight();
1203                 break;
1204
1205         case LFUN_TABULAR_INSERT:
1206                 // if there were no arguments, just open the dialog
1207                 if (doInsertInset(cur, this, cmd, false, true))
1208                         cur.posRight();
1209                 else
1210                         bv->showDialog("tabularcreate");
1211
1212                 break;
1213
1214         case LFUN_FLOAT_INSERT:
1215         case LFUN_FLOAT_WIDE_INSERT:
1216         case LFUN_WRAP_INSERT: {
1217                 bool content = cur.selection();  // will some text be moved into the inset?
1218
1219                 doInsertInset(cur, this, cmd, true, true);
1220                 cur.posRight();
1221                 ParagraphList & pars = cur.text()->paragraphs();
1222
1223                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1224
1225                 // add a separate paragraph for the caption inset
1226                 pars.push_back(Paragraph());
1227                 pars.back().setInsetOwner(pars[0].inInset());
1228                 pars.back().layout(tclass.defaultLayout());
1229
1230                 int cap_pit = pars.size() - 1;
1231
1232                 // if an empty inset was created, we create an additional empty
1233                 // paragraph at the bottom so that the user can choose where to put
1234                 // the graphics (or table).
1235                 if (!content) {
1236                         pars.push_back(Paragraph());
1237                         pars.back().setInsetOwner(pars[0].inInset());
1238                         pars.back().layout(tclass.defaultLayout());
1239
1240                 }
1241
1242                 // reposition the cursor to the caption
1243                 cur.pit() = cap_pit;
1244                 cur.pos() = 0;
1245                 cur.dispatch(FuncRequest(LFUN_CAPTION_INSERT));
1246                 // FIXME: When leaving the Float (or Wrap) inset we should
1247                 // delete any empty paragraph left above or below the
1248                 // caption.
1249                 break;
1250         }
1251
1252         case LFUN_INDEX_INSERT:
1253         case LFUN_NOMENCL_INSERT: {
1254                 Inset * inset = createInset(&cur.bv(), cmd);
1255                 if (!inset)
1256                         break;
1257                 recordUndo(cur);
1258                 cur.clearSelection();
1259                 insertInset(cur, inset);
1260                 inset->edit(cur, true);
1261                 // Show the dialog for the nomenclature entry, since the
1262                 // description entry still needs to be filled in.
1263                 if (cmd.action == LFUN_NOMENCL_INSERT)
1264                         InsetCommandMailer("nomenclature",
1265                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1266                 cur.posRight();
1267                 break;
1268         }
1269
1270         case LFUN_INDEX_PRINT:
1271         case LFUN_NOMENCL_PRINT:
1272         case LFUN_TOC_INSERT:
1273         case LFUN_HFILL_INSERT:
1274         case LFUN_LINE_INSERT:
1275         case LFUN_PAGEBREAK_INSERT:
1276         case LFUN_CLEARPAGE_INSERT:
1277         case LFUN_CLEARDOUBLEPAGE_INSERT:
1278                 // do nothing fancy
1279                 doInsertInset(cur, this, cmd, false, false);
1280                 cur.posRight();
1281                 break;
1282
1283         case LFUN_DEPTH_DECREMENT:
1284                 changeDepth(cur, DEC_DEPTH);
1285                 break;
1286
1287         case LFUN_DEPTH_INCREMENT:
1288                 changeDepth(cur, INC_DEPTH);
1289                 break;
1290
1291         case LFUN_MATH_DISPLAY:
1292                 mathDispatch(cur, cmd, true);
1293                 break;
1294
1295         case LFUN_MATH_IMPORT_SELECTION:
1296         case LFUN_MATH_MODE:
1297                 if (cmd.argument() == "on")
1298                         // don't pass "on" as argument
1299                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1300                 else
1301                         mathDispatch(cur, cmd, false);
1302                 break;
1303
1304         case LFUN_MATH_MACRO:
1305                 if (cmd.argument().empty())
1306                         cur.errorMessage(from_utf8(N_("Missing argument")));
1307                 else {
1308                         string s = to_utf8(cmd.argument());
1309                         string const s1 = token(s, ' ', 1);
1310                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1311                         string const s2 = token(s, ' ', 2);
1312                         string const type = s2.empty() ? "newcommand" : s2;
1313                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1314                         //cur.nextInset()->edit(cur, true);
1315                 }
1316                 break;
1317
1318         // passthrough hat and underscore outside mathed:
1319         case LFUN_MATH_SUBSCRIPT:
1320                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1321                 break;
1322         case LFUN_MATH_SUPERSCRIPT:
1323                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1324                 break;
1325
1326         case LFUN_MATH_INSERT:
1327         case LFUN_MATH_MATRIX:
1328         case LFUN_MATH_DELIM:
1329         case LFUN_MATH_BIGDELIM: {
1330                 cur.insert(new InsetMathHull(hullSimple));
1331                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1332                 BOOST_ASSERT(cur.inMathed());
1333                 cur.dispatch(cmd);
1334                 break;
1335         }
1336
1337         case LFUN_FONT_EMPH: {
1338                 Font font(Font::ALL_IGNORE);
1339                 font.setEmph(Font::TOGGLE);
1340                 toggleAndShow(cur, this, font);
1341                 break;
1342         }
1343
1344         case LFUN_FONT_BOLD: {
1345                 Font font(Font::ALL_IGNORE);
1346                 font.setSeries(Font::BOLD_SERIES);
1347                 toggleAndShow(cur, this, font);
1348                 break;
1349         }
1350
1351         case LFUN_FONT_NOUN: {
1352                 Font font(Font::ALL_IGNORE);
1353                 font.setNoun(Font::TOGGLE);
1354                 toggleAndShow(cur, this, font);
1355                 break;
1356         }
1357
1358         case LFUN_FONT_CODE: {
1359                 Font font(Font::ALL_IGNORE);
1360                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1361                 toggleAndShow(cur, this, font);
1362                 break;
1363         }
1364
1365         case LFUN_FONT_SANS: {
1366                 Font font(Font::ALL_IGNORE);
1367                 font.setFamily(Font::SANS_FAMILY);
1368                 toggleAndShow(cur, this, font);
1369                 break;
1370         }
1371
1372         case LFUN_FONT_ROMAN: {
1373                 Font font(Font::ALL_IGNORE);
1374                 font.setFamily(Font::ROMAN_FAMILY);
1375                 toggleAndShow(cur, this, font);
1376                 break;
1377         }
1378
1379         case LFUN_FONT_DEFAULT: {
1380                 Font font(Font::ALL_INHERIT, ignore_language);
1381                 toggleAndShow(cur, this, font);
1382                 break;
1383         }
1384
1385         case LFUN_FONT_UNDERLINE: {
1386                 Font font(Font::ALL_IGNORE);
1387                 font.setUnderbar(Font::TOGGLE);
1388                 toggleAndShow(cur, this, font);
1389                 break;
1390         }
1391
1392         case LFUN_FONT_SIZE: {
1393                 Font font(Font::ALL_IGNORE);
1394                 font.setLyXSize(to_utf8(cmd.argument()));
1395                 toggleAndShow(cur, this, font);
1396                 break;
1397         }
1398
1399         case LFUN_LANGUAGE: {
1400                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1401                 if (!lang)
1402                         break;
1403                 Font font(Font::ALL_IGNORE);
1404                 font.setLanguage(lang);
1405                 toggleAndShow(cur, this, font);
1406                 bv->switchKeyMap();
1407                 break;
1408         }
1409
1410         case LFUN_FONT_FREE_APPLY:
1411                 toggleAndShow(cur, this, freefont, toggleall);
1412                 cur.message(_("Character set"));
1413                 break;
1414
1415         // Set the freefont using the contents of \param data dispatched from
1416         // the frontends and apply it at the current cursor location.
1417         case LFUN_FONT_FREE_UPDATE: {
1418                 Font font;
1419                 bool toggle;
1420                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1421                         freefont = font;
1422                         toggleall = toggle;
1423                         toggleAndShow(cur, this, freefont, toggleall);
1424                         cur.message(_("Character set"));
1425                 }
1426                 break;
1427         }
1428
1429         case LFUN_FINISHED_LEFT:
1430                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1431                 if (reverseDirectionNeeded(cur))
1432                         ++cur.pos();
1433                 break;
1434
1435         case LFUN_FINISHED_RIGHT:
1436                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1437                 if (!reverseDirectionNeeded(cur))
1438                         ++cur.pos();
1439                 break;
1440
1441         case LFUN_LAYOUT_PARAGRAPH: {
1442                 string data;
1443                 params2string(cur.paragraph(), data);
1444                 data = "show\n" + data;
1445                 bv->showDialogWithData("paragraph", data);
1446                 break;
1447         }
1448
1449         case LFUN_PARAGRAPH_UPDATE: {
1450                 string data;
1451                 params2string(cur.paragraph(), data);
1452
1453                 // Will the paragraph accept changes from the dialog?
1454                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1455
1456                 data = "update " + convert<string>(accept) + '\n' + data;
1457                 bv->updateDialog("paragraph", data);
1458                 break;
1459         }
1460
1461         case LFUN_ACCENT_UMLAUT:
1462         case LFUN_ACCENT_CIRCUMFLEX:
1463         case LFUN_ACCENT_GRAVE:
1464         case LFUN_ACCENT_ACUTE:
1465         case LFUN_ACCENT_TILDE:
1466         case LFUN_ACCENT_CEDILLA:
1467         case LFUN_ACCENT_MACRON:
1468         case LFUN_ACCENT_DOT:
1469         case LFUN_ACCENT_UNDERDOT:
1470         case LFUN_ACCENT_UNDERBAR:
1471         case LFUN_ACCENT_CARON:
1472         case LFUN_ACCENT_SPECIAL_CARON:
1473         case LFUN_ACCENT_BREVE:
1474         case LFUN_ACCENT_TIE:
1475         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1476         case LFUN_ACCENT_CIRCLE:
1477         case LFUN_ACCENT_OGONEK:
1478                 theLyXFunc().handleKeyFunc(cmd.action);
1479                 if (!cmd.argument().empty())
1480                         // FIXME: Are all these characters encoded in one byte in utf8?
1481                         bv->getIntl().getTransManager()
1482                                 .translateAndInsert(cmd.argument()[0], this, cur);
1483                 break;
1484
1485         case LFUN_FLOAT_LIST: {
1486                 TextClass const & tclass = bv->buffer()->params().getTextClass();
1487                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1488                         // not quite sure if we want this...
1489                         recordUndo(cur);
1490                         cur.clearSelection();
1491                         breakParagraph(cur);
1492
1493                         if (cur.lastpos() != 0) {
1494                                 cursorLeft(cur);
1495                                 breakParagraph(cur);
1496                         }
1497
1498                         setLayout(cur, tclass.defaultLayoutName());
1499                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, docstring(), 0);
1500                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1501                         cur.posRight();
1502                 } else {
1503                         lyxerr << "Non-existent float type: "
1504                                << to_utf8(cmd.argument()) << endl;
1505                 }
1506                 break;
1507         }
1508
1509         case LFUN_CHANGE_ACCEPT: {
1510                 acceptOrRejectChanges(cur, ACCEPT);
1511                 break;
1512         }
1513
1514         case LFUN_CHANGE_REJECT: {
1515                 acceptOrRejectChanges(cur, REJECT);
1516                 break;
1517         }
1518
1519         case LFUN_THESAURUS_ENTRY: {
1520                 docstring arg = cmd.argument();
1521                 if (arg.empty()) {
1522                         arg = cur.selectionAsString(false);
1523                         // FIXME
1524                         if (arg.size() > 100 || arg.empty()) {
1525                                 // Get word or selection
1526                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1527                                 arg = cur.selectionAsString(false);
1528                         }
1529                 }
1530                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1531                 break;
1532         }
1533
1534         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1535                 // Given data, an encoding of the ParagraphParameters
1536                 // generated in the Paragraph dialog, this function sets
1537                 // the current paragraph appropriately.
1538                 istringstream is(to_utf8(cmd.argument()));
1539                 Lexer lex(0, 0);
1540                 lex.setStream(is);
1541                 ParagraphParameters params;
1542                 params.read(lex);
1543                 setParagraph(cur,
1544                              params.spacing(),
1545                              params.align(),
1546                              params.labelWidthString(),
1547                              params.noindent());
1548                 cur.message(_("Paragraph layout set"));
1549                 break;
1550         }
1551
1552         case LFUN_ESCAPE:
1553                 if (cur.selection()) {
1554                         cur.selection() = false;
1555                         saveSelection(cur);
1556                 } else {
1557                         cur.undispatched();
1558                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1559                 }
1560                 break;
1561
1562         default:
1563                 LYXERR(Debug::ACTION)
1564                         << BOOST_CURRENT_FUNCTION
1565                         << ": Command " << cmd
1566                         << " not DISPATCHED by Text" << endl;
1567                 cur.undispatched();
1568                 break;
1569         }
1570
1571         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1572
1573         // FIXME: The cursor flag is reset two lines below
1574         // so we need to check here if some of the LFUN did touch that.
1575         // for now only Text::erase() and Text::backspace() do that.
1576         // The plan is to verify all the LFUNs and then to remove this
1577         // singleParUpdate boolean altogether.
1578         if (cur.result().update() & Update::Force) {
1579                 singleParUpdate = false;
1580                 needsUpdate = true;
1581         }
1582
1583         // FIXME: the following code should go in favor of fine grained
1584         // update flag treatment.
1585         if (singleParUpdate) {
1586                 // Inserting characters does not change par height
1587                 ParagraphMetrics const & pms
1588                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1589                 if (pms.dim().height()
1590                     == olddim.height()) {
1591                         // if so, update _only_ this paragraph
1592                         cur.updateFlags(Update::SinglePar |
1593                                 Update::FitCursor |
1594                                 Update::MultiParSel);
1595                         return;
1596                 } else
1597                         needsUpdate = true;
1598         }
1599
1600         if (!needsUpdate
1601             && &oldTopSlice.inset() == &cur.inset()
1602             && oldTopSlice.idx() == cur.idx()
1603             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1604             && !cur.selection())
1605                 // FIXME: it would be better if we could just do this
1606                 //
1607                 //if (cur.result().update() != Update::FitCursor)
1608                 //      cur.noUpdate();
1609                 //
1610                 // But some LFUNs do not set Update::FitCursor when needed, so we
1611                 // do it for all. This is not very harmfull as FitCursor will provoke
1612                 // a full redraw only if needed but still, a proper review of all LFUN
1613                 // should be done and this needsUpdate boolean can then be removed.
1614                 cur.updateFlags(Update::FitCursor);
1615         else
1616                 cur.updateFlags(Update::Force | Update::FitCursor);
1617 }
1618
1619
1620 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1621                         FuncStatus & flag) const
1622 {
1623         BOOST_ASSERT(cur.text() == this);
1624
1625         Font const & font = real_current_font;
1626         bool enable = true;
1627         Inset::Code code = Inset::NO_CODE;
1628
1629         switch (cmd.action) {
1630
1631         case LFUN_DEPTH_DECREMENT:
1632                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1633                 break;
1634
1635         case LFUN_DEPTH_INCREMENT:
1636                 enable = changeDepthAllowed(cur, INC_DEPTH);
1637                 break;
1638
1639         case LFUN_APPENDIX:
1640                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1641                 return true;
1642
1643         case LFUN_BIBITEM_INSERT:
1644                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1645                           && cur.pos() == 0);
1646                 break;
1647
1648         case LFUN_DIALOG_SHOW_NEW_INSET:
1649                 if (cmd.argument() == "bibitem")
1650                         code = Inset::BIBITEM_CODE;
1651                 else if (cmd.argument() == "bibtex")
1652                         code = Inset::BIBTEX_CODE;
1653                 else if (cmd.argument() == "box")
1654                         code = Inset::BOX_CODE;
1655                 else if (cmd.argument() == "branch")
1656                         code = Inset::BRANCH_CODE;
1657                 else if (cmd.argument() == "citation")
1658                         code = Inset::CITE_CODE;
1659                 else if (cmd.argument() == "ert")
1660                         code = Inset::ERT_CODE;
1661                 else if (cmd.argument() == "external")
1662                         code = Inset::EXTERNAL_CODE;
1663                 else if (cmd.argument() == "float")
1664                         code = Inset::FLOAT_CODE;
1665                 else if (cmd.argument() == "graphics")
1666                         code = Inset::GRAPHICS_CODE;
1667                 else if (cmd.argument() == "include")
1668                         code = Inset::INCLUDE_CODE;
1669                 else if (cmd.argument() == "index")
1670                         code = Inset::INDEX_CODE;
1671                 else if (cmd.argument() == "nomenclature")
1672                         code = Inset::NOMENCL_CODE;
1673                 else if (cmd.argument() == "label")
1674                         code = Inset::LABEL_CODE;
1675                 else if (cmd.argument() == "note")
1676                         code = Inset::NOTE_CODE;
1677                 else if (cmd.argument() == "ref")
1678                         code = Inset::REF_CODE;
1679                 else if (cmd.argument() == "toc")
1680                         code = Inset::TOC_CODE;
1681                 else if (cmd.argument() == "url")
1682                         code = Inset::URL_CODE;
1683                 else if (cmd.argument() == "vspace")
1684                         code = Inset::VSPACE_CODE;
1685                 else if (cmd.argument() == "wrap")
1686                         code = Inset::WRAP_CODE;
1687                 else if (cmd.argument() == "listings")
1688                         code = Inset::LISTINGS_CODE;
1689                 break;
1690
1691         case LFUN_ERT_INSERT:
1692                 code = Inset::ERT_CODE;
1693                 break;
1694         case LFUN_LISTING_INSERT:
1695             code = Inset::LISTINGS_CODE;
1696                 break;
1697         case LFUN_FOOTNOTE_INSERT:
1698                 code = Inset::FOOT_CODE;
1699                 break;
1700         case LFUN_TABULAR_INSERT:
1701                 code = Inset::TABULAR_CODE;
1702                 break;
1703         case LFUN_MARGINALNOTE_INSERT:
1704                 code = Inset::MARGIN_CODE;
1705                 break;
1706         case LFUN_FLOAT_INSERT:
1707         case LFUN_FLOAT_WIDE_INSERT:
1708                 code = Inset::FLOAT_CODE;
1709                 break;
1710         case LFUN_WRAP_INSERT:
1711                 code = Inset::WRAP_CODE;
1712                 break;
1713         case LFUN_FLOAT_LIST:
1714                 code = Inset::FLOAT_LIST_CODE;
1715                 break;
1716 #if 0
1717         case LFUN_LIST_INSERT:
1718                 code = Inset::LIST_CODE;
1719                 break;
1720         case LFUN_THEOREM_INSERT:
1721                 code = Inset::THEOREM_CODE;
1722                 break;
1723 #endif
1724         case LFUN_CAPTION_INSERT:
1725                 code = Inset::CAPTION_CODE;
1726                 break;
1727         case LFUN_NOTE_INSERT:
1728                 code = Inset::NOTE_CODE;
1729                 break;
1730         case LFUN_CHARSTYLE_INSERT:
1731                 code = Inset::CHARSTYLE_CODE;
1732                 if (cur.buffer().params().getTextClass().charstyles().empty())
1733                         enable = false;
1734                 break;
1735         case LFUN_BOX_INSERT:
1736                 code = Inset::BOX_CODE;
1737                 break;
1738         case LFUN_BRANCH_INSERT:
1739                 code = Inset::BRANCH_CODE;
1740                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1741                         enable = false;
1742                 break;
1743         case LFUN_LABEL_INSERT:
1744                 code = Inset::LABEL_CODE;
1745                 break;
1746         case LFUN_OPTIONAL_INSERT:
1747                 code = Inset::OPTARG_CODE;
1748                 enable = numberOfOptArgs(cur.paragraph())
1749                         < cur.paragraph().layout()->optionalargs;
1750                 break;
1751         case LFUN_ENVIRONMENT_INSERT:
1752                 code = Inset::BOX_CODE;
1753                 break;
1754         case LFUN_INDEX_INSERT:
1755                 code = Inset::INDEX_CODE;
1756                 break;
1757         case LFUN_INDEX_PRINT:
1758                 code = Inset::INDEX_PRINT_CODE;
1759                 break;
1760         case LFUN_NOMENCL_INSERT:
1761                 code = Inset::NOMENCL_CODE;
1762                 break;
1763         case LFUN_NOMENCL_PRINT:
1764                 code = Inset::NOMENCL_PRINT_CODE;
1765                 break;
1766         case LFUN_TOC_INSERT:
1767                 code = Inset::TOC_CODE;
1768                 break;
1769         case LFUN_HTML_INSERT:
1770         case LFUN_URL_INSERT:
1771                 code = Inset::URL_CODE;
1772                 break;
1773         case LFUN_QUOTE_INSERT:
1774                 // always allow this, since we will inset a raw quote
1775                 // if an inset is not allowed.
1776                 break;
1777         case LFUN_HYPHENATION_POINT_INSERT:
1778         case LFUN_LIGATURE_BREAK_INSERT:
1779         case LFUN_HFILL_INSERT:
1780         case LFUN_MENU_SEPARATOR_INSERT:
1781         case LFUN_DOTS_INSERT:
1782         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1783                 code = Inset::SPECIALCHAR_CODE;
1784                 break;
1785         case LFUN_SPACE_INSERT:
1786                 // slight hack: we know this is allowed in math mode
1787                 if (cur.inTexted())
1788                         code = Inset::SPACE_CODE;
1789                 break;
1790
1791         case LFUN_INSET_MODIFY:
1792                 // We need to disable this, because we may get called for a
1793                 // tabular cell via
1794                 // InsetTabular::getStatus() -> InsetText::getStatus()
1795                 // and we don't handle LFUN_INSET_MODIFY.
1796                 enable = false;
1797                 break;
1798
1799         case LFUN_FONT_EMPH:
1800                 flag.setOnOff(font.emph() == Font::ON);
1801                 return true;
1802
1803         case LFUN_FONT_NOUN:
1804                 flag.setOnOff(font.noun() == Font::ON);
1805                 return true;
1806
1807         case LFUN_FONT_BOLD:
1808                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1809                 return true;
1810
1811         case LFUN_FONT_SANS:
1812                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1813                 return true;
1814
1815         case LFUN_FONT_ROMAN:
1816                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1817                 return true;
1818
1819         case LFUN_FONT_CODE:
1820                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1821                 return true;
1822
1823         case LFUN_CUT:
1824         case LFUN_COPY:
1825                 enable = cur.selection();
1826                 break;
1827
1828         case LFUN_PASTE:
1829                 if (cmd.argument().empty()) {
1830                         if (theClipboard().isInternal())
1831                                 enable = cap::numberOfSelections() > 0;
1832                         else
1833                                 enable = !theClipboard().empty();
1834                 } else {
1835                         string const arg = to_utf8(cmd.argument());
1836                         if (isStrUnsignedInt(arg)) {
1837                                 unsigned int n = convert<unsigned int>(arg);
1838                                 enable = cap::numberOfSelections() > n;
1839                         } else
1840                                 // unknown argument
1841                                 enable = false;
1842                 }
1843                 break;
1844
1845         case LFUN_CLIPBOARD_PASTE:
1846                 enable = !theClipboard().empty();
1847                 break;
1848
1849         case LFUN_PRIMARY_SELECTION_PASTE:
1850                 enable = cur.selection() || !theSelection().empty();
1851                 break;
1852
1853         case LFUN_PARAGRAPH_MOVE_UP:
1854                 enable = cur.pit() > 0 && !cur.selection();
1855                 break;
1856
1857         case LFUN_PARAGRAPH_MOVE_DOWN:
1858                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1859                 break;
1860
1861         case LFUN_INSET_DISSOLVE:
1862                 enable = !isMainText(*cur.bv().buffer()) && cur.inset().nargs() == 1;
1863                 break;
1864
1865         case LFUN_CHANGE_ACCEPT:
1866         case LFUN_CHANGE_REJECT:
1867                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1868                 // In principle, these LFUNs should only be enabled if there
1869                 // is a change at the current position/in the current selection.
1870                 // However, without proper optimizations, this will inevitably
1871                 // result in unacceptable performance - just imagine a user who
1872                 // wants to select the complete content of a long document.
1873                 enable = true;
1874                 break;
1875
1876         case LFUN_WORD_DELETE_FORWARD:
1877         case LFUN_WORD_DELETE_BACKWARD:
1878         case LFUN_LINE_DELETE:
1879         case LFUN_WORD_FORWARD:
1880         case LFUN_WORD_BACKWARD:
1881         case LFUN_CHAR_FORWARD:
1882         case LFUN_CHAR_FORWARD_SELECT:
1883         case LFUN_CHAR_BACKWARD:
1884         case LFUN_CHAR_BACKWARD_SELECT:
1885         case LFUN_UP:
1886         case LFUN_UP_SELECT:
1887         case LFUN_DOWN:
1888         case LFUN_DOWN_SELECT:
1889         case LFUN_PARAGRAPH_UP_SELECT:
1890         case LFUN_PARAGRAPH_DOWN_SELECT:
1891         case LFUN_SCREEN_UP_SELECT:
1892         case LFUN_SCREEN_DOWN_SELECT:
1893         case LFUN_LINE_BEGIN_SELECT:
1894         case LFUN_LINE_END_SELECT:
1895         case LFUN_WORD_FORWARD_SELECT:
1896         case LFUN_WORD_BACKWARD_SELECT:
1897         case LFUN_WORD_SELECT:
1898         case LFUN_PARAGRAPH_UP:
1899         case LFUN_PARAGRAPH_DOWN:
1900         case LFUN_SCREEN_UP:
1901         case LFUN_SCREEN_DOWN:
1902         case LFUN_LINE_BEGIN:
1903         case LFUN_LINE_END:
1904         case LFUN_BREAK_LINE:
1905         case LFUN_CHAR_DELETE_FORWARD:
1906         case LFUN_DELETE_FORWARD_SKIP:
1907         case LFUN_CHAR_DELETE_BACKWARD:
1908         case LFUN_DELETE_BACKWARD_SKIP:
1909         case LFUN_BREAK_PARAGRAPH:
1910         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1911         case LFUN_BREAK_PARAGRAPH_SKIP:
1912         case LFUN_PARAGRAPH_SPACING:
1913         case LFUN_INSET_INSERT:
1914         case LFUN_WORD_UPCASE:
1915         case LFUN_WORD_LOWCASE:
1916         case LFUN_WORD_CAPITALIZE:
1917         case LFUN_CHARS_TRANSPOSE:
1918         case LFUN_SERVER_GET_XY:
1919         case LFUN_SERVER_SET_XY:
1920         case LFUN_SERVER_GET_FONT:
1921         case LFUN_SERVER_GET_LAYOUT:
1922         case LFUN_LAYOUT:
1923         case LFUN_DATE_INSERT:
1924         case LFUN_SELF_INSERT:
1925         case LFUN_LINE_INSERT:
1926         case LFUN_PAGEBREAK_INSERT:
1927         case LFUN_CLEARPAGE_INSERT:
1928         case LFUN_CLEARDOUBLEPAGE_INSERT:
1929         case LFUN_MATH_DISPLAY:
1930         case LFUN_MATH_IMPORT_SELECTION:
1931         case LFUN_MATH_MODE:
1932         case LFUN_MATH_MACRO:
1933         case LFUN_MATH_MATRIX:
1934         case LFUN_MATH_DELIM:
1935         case LFUN_MATH_BIGDELIM:
1936         case LFUN_MATH_SUBSCRIPT:
1937         case LFUN_MATH_SUPERSCRIPT:
1938         case LFUN_FONT_DEFAULT:
1939         case LFUN_FONT_UNDERLINE:
1940         case LFUN_FONT_SIZE:
1941         case LFUN_LANGUAGE:
1942         case LFUN_FONT_FREE_APPLY:
1943         case LFUN_FONT_FREE_UPDATE:
1944         case LFUN_LAYOUT_PARAGRAPH:
1945         case LFUN_PARAGRAPH_UPDATE:
1946         case LFUN_ACCENT_UMLAUT:
1947         case LFUN_ACCENT_CIRCUMFLEX:
1948         case LFUN_ACCENT_GRAVE:
1949         case LFUN_ACCENT_ACUTE:
1950         case LFUN_ACCENT_TILDE:
1951         case LFUN_ACCENT_CEDILLA:
1952         case LFUN_ACCENT_MACRON:
1953         case LFUN_ACCENT_DOT:
1954         case LFUN_ACCENT_UNDERDOT:
1955         case LFUN_ACCENT_UNDERBAR:
1956         case LFUN_ACCENT_CARON:
1957         case LFUN_ACCENT_SPECIAL_CARON:
1958         case LFUN_ACCENT_BREVE:
1959         case LFUN_ACCENT_TIE:
1960         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1961         case LFUN_ACCENT_CIRCLE:
1962         case LFUN_ACCENT_OGONEK:
1963         case LFUN_THESAURUS_ENTRY:
1964         case LFUN_PARAGRAPH_PARAMS_APPLY:
1965         case LFUN_ESCAPE:
1966         case LFUN_BUFFER_END:
1967         case LFUN_BUFFER_BEGIN:
1968         case LFUN_BUFFER_BEGIN_SELECT:
1969         case LFUN_BUFFER_END_SELECT:
1970         case LFUN_UNICODE_INSERT:
1971                 // these are handled in our dispatch()
1972                 enable = true;
1973                 break;
1974
1975         default:
1976                 return false;
1977         }
1978
1979         if (code != Inset::NO_CODE
1980             && (cur.empty() || !cur.inset().insetAllowed(code)))
1981                 enable = false;
1982
1983         flag.enabled(enable);
1984         return true;
1985 }
1986
1987
1988 void Text::pasteString(Cursor & cur, docstring const & clip,
1989                 bool asParagraphs)
1990 {
1991         cur.clearSelection();
1992         if (!clip.empty()) {
1993                 recordUndo(cur);
1994                 if (asParagraphs)
1995                         insertStringAsParagraphs(cur, clip);
1996                 else
1997                         insertStringAsLines(cur, clip);
1998         }
1999 }
2000
2001 } // namespace lyx