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 using std::endl;
  75 using std::string;
  76 using std::istringstream;
  77 using std::ostringstream;
  78
  79 namespace lyx {
  80
  81 using cap::copySelection;
  82 using cap::cutSelection;
  83 using cap::pasteFromStack;
  84 using cap::pasteClipboard;
  85 using cap::replaceSelection;
  86
  87 using support::isStrUnsignedInt;
  88 using support::token;
  89
  90 namespace frontend {
  91 extern docstring current_layout;
  92 }
  93
  94 namespace {
  95
  96         // globals...
  97         Font freefont(Font::ALL_IGNORE);
  98         bool toggleall = false;
  99
 100         void toggleAndShow(Cursor & cur, Text * text,
 101                 Font const & font, bool toggleall = true)
 102         {
 103                 text->toggleFree(cur, font, toggleall);
 104
 105                 if (font.language() != ignore_language ||
 106                                 font.number() != Font::IGNORE) {
 107                         Paragraph & par = cur.paragraph();
 108                         if (cur.boundary() != text->isRTLBoundary(cur.buffer(), par,
 109                                                 cur.pos(), text->real_current_font))
 110                                 text->setCursor(cur, cur.pit(), cur.pos(),
 111                                                 false, !cur.boundary());
 112                 }
 113         }
 114
 115
 116         void moveCursor(Cursor & cur, bool selecting)
 117         {
 118                 if (selecting || cur.mark())
 119                         cur.setSelection();
 120         }
 121
 122
 123         void finishChange(Cursor & cur, bool selecting)
 124         {
 125                 finishUndo();
 126                 moveCursor(cur, selecting);
 127         }
 128
 129
 130         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 131         {
 132                 recordUndo(cur);
 133                 docstring sel = cur.selectionAsString(false);
 134
 135                 // It may happen that sel is empty but there is a selection
 136                 replaceSelection(cur);
 137
 138                 if (sel.empty()) {
 139 #ifdef ENABLE_ASSERTIONS
 140                         const int old_pos = cur.pos();
 141 #endif
 142                         cur.insert(new InsetMathHull(hullSimple));
 143                         BOOST_ASSERT(old_pos == cur.pos());
 144                         cur.nextInset()->edit(cur, true);
 145                         // don't do that also for LFUN_MATH_MODE
 146                         // unless you want end up with always changing
 147                         // to mathrm when opening an inlined inset --
 148                         // I really hate "LyXfunc overloading"...
 149                         if (display)
 150                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 151                         // Avoid an unnecessary undo step if cmd.argument
 152                         // is empty
 153                         if (!cmd.argument().empty())
 154                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 155                                                          cmd.argument()));
 156                 } else {
 157                         // create a macro if we see "\\newcommand"
 158                         // somewhere, and an ordinary formula
 159                         // otherwise
 160                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 161                             && sel.find(from_ascii("\\def")) == string::npos)
 162                         {
 163                                 InsetMathHull * formula = new InsetMathHull;
 164                                 istringstream is(to_utf8(sel));
 165                                 Lexer lex(0, 0);
 166                                 lex.setStream(is);
 167                                 formula->read(cur.buffer(), lex);
 168                                 if (formula->getType() == hullNone)
 169                                         // Don't create pseudo formulas if
 170                                         // delimiters are left out
 171                                         formula->mutate(hullSimple);
 172                                 cur.insert(formula);
 173                         } else {
 174                                 cur.insert(new MathMacroTemplate(sel));
 175                         }
 176                 }
 177                 cur.message(from_utf8(N_("Math editor mode")));
 178         }
 179
 180 } // namespace anon
 181
 182
 183
 184 namespace bv_funcs {
 185
 186 string const freefont2string()
 187 {
 188         string data;
 189         if (font2string(freefont, toggleall, data))
 190                 return data;
 191         return string();
 192 }
 193
 194 }
 195
 196
 197 namespace {
 198
 199 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 200 {
 201         recordUndo(cur);
 202         cap::replaceSelection(cur);
 203         cur.insert(new InsetSpecialChar(kind));
 204         cur.posRight();
 205 }
 206
 207
 208 bool doInsertInset(Cursor & cur, Text * text,
 209         FuncRequest const & cmd, bool edit, bool pastesel)
 210 {
 211         Inset * inset = createInset(&cur.bv(), cmd);
 212         if (!inset)
 213                 return false;
 214
 215         recordUndo(cur);
 216         bool gotsel = false;
 217         if (cur.selection()) {
 218                 lyx::dispatch(FuncRequest(LFUN_CUT));
 219                 gotsel = true;
 220         }
 221         text->insertInset(cur, inset);
 222
 223         if (edit)
 224                 inset->edit(cur, true);
 225
 226         if (gotsel && pastesel) {
 227                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 228                 // reset first par to default
 229                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 230                         LayoutPtr const layout =
 231                                 cur.buffer().params().getTextClass().defaultLayout();
 232                         cur.text()->paragraphs().begin()->layout(layout);
 233                 }
 234         }
 235         return true;
 236 }
 237
 238
 239 } // anon namespace
 240
 241
 242 void Text::number(Cursor & cur)
 243 {
 244         Font font(Font::ALL_IGNORE);
 245         font.setNumber(Font::TOGGLE);
 246         toggleAndShow(cur, this, font);
 247 }
 248
 249
 250 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 251 {
 252         return par.isRightToLeftPar(buffer.params());
 253 }
 254
 255
 256 bool Text::isRTL(Buffer const & buffer, CursorSlice const & sl, bool boundary) const
 257 {
 258         if (!lyxrc.rtl_support && !sl.text())
 259                 return false;
 260
 261         int correction = 0;
 262         if (boundary && sl.pos() > 0)
 263                 correction = -1;
 264
 265         Paragraph const & par = getPar(sl.pit());
 266         return getFont(buffer, par, sl.pos() + correction).isVisibleRightToLeft();
 267 }
 268
 269
 270 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 271                          pos_type pos) const
 272 {
 273         if (!lyxrc.rtl_support)
 274                 return false;
 275
 276         // no RTL boundary at line start
 277         if (pos == 0)
 278                 return false;
 279
 280         bool left = getFont(buffer, par, pos - 1).isVisibleRightToLeft();
 281         bool right;
 282         if (pos == par.size())
 283                 right = par.isRightToLeftPar(buffer.params());
 284         else
 285                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 286         return left != right;
 287 }
 288
 289
 290 bool Text::isRTLBoundary(Buffer const & buffer, Paragraph const & par,
 291                          pos_type pos, Font const & font) const
 292 {
 293         if (!lyxrc.rtl_support)
 294                 return false;
 295
 296         bool left = font.isVisibleRightToLeft();
 297         bool right;
 298         if (pos == par.size())
 299                 right = par.isRightToLeftPar(buffer.params());
 300         else
 301                 right = getFont(buffer, par, pos).isVisibleRightToLeft();
 302         return left != right;
 303 }
 304
 305
 306 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 307 {
 308         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 309
 310         // FIXME: We use the update flag to indicates wether a singlePar or a
 311         // full screen update is needed. We reset it here but shall we restore it
 312         // at the end?
 313         cur.noUpdate();
 314
 315         BOOST_ASSERT(cur.text() == this);
 316         BufferView * bv = &cur.bv();
 317         TextMetrics & tm = cur.bv().textMetrics(this);
 318         CursorSlice oldTopSlice = cur.top();
 319         bool oldBoundary = cur.boundary();
 320         bool sel = cur.selection();
 321         // Signals that, even if needsUpdate == false, an update of the
 322         // cursor paragraph is required
 323         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 324                 LyXAction::SingleParUpdate);
 325         // Signals that a full-screen update is required
 326         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 327                 LyXAction::NoUpdate) || singleParUpdate);
 328         // Remember the old paragraph metric (_outer_ paragraph!)
 329         ParagraphMetrics const & pm = cur.bv().parMetrics(
 330                 cur.bottom().text(), cur.bottom().pit());
 331         Dimension olddim = pm.dim();
 332
 333         switch (cmd.action) {
 334
 335         case LFUN_PARAGRAPH_MOVE_DOWN: {
 336                 pit_type const pit = cur.pit();
 337                 recUndo(cur, pit, pit + 1);
 338                 finishUndo();
 339                 std::swap(pars_[pit], pars_[pit + 1]);
 340                 updateLabels(cur.buffer());
 341                 needsUpdate = true;
 342                 ++cur.pit();
 343                 break;
 344         }
 345
 346         case LFUN_PARAGRAPH_MOVE_UP: {
 347                 pit_type const pit = cur.pit();
 348                 recUndo(cur, pit - 1, pit);
 349                 finishUndo();
 350                 std::swap(pars_[pit], pars_[pit - 1]);
 351                 updateLabels(cur.buffer());
 352                 --cur.pit();
 353                 needsUpdate = true;
 354                 break;
 355         }
 356
 357         case LFUN_APPENDIX: {
 358                 Paragraph & par = cur.paragraph();
 359                 bool start = !par.params().startOfAppendix();
 360
 361 // FIXME: The code below only makes sense at top level.
 362 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 363                 // ensure that we have only one start_of_appendix in this document
 364                 // FIXME: this don't work for multipart document!
 365                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 366                         if (pars_[tmp].params().startOfAppendix()) {
 367                                 recUndo(cur, tmp);
 368                                 pars_[tmp].params().startOfAppendix(false);
 369                                 break;
 370                         }
 371                 }
 372
 373                 recordUndo(cur);
 374                 par.params().startOfAppendix(start);
 375
 376                 // we can set the refreshing parameters now
 377                 updateLabels(cur.buffer());
 378                 break;
 379         }
 380
 381         case LFUN_WORD_DELETE_FORWARD:
 382                 if (cur.selection()) {
 383                         cutSelection(cur, true, false);
 384                 } else
 385                         deleteWordForward(cur);
 386                 finishChange(cur, false);
 387                 break;
 388
 389         case LFUN_WORD_DELETE_BACKWARD:
 390                 if (cur.selection()) {
 391                         cutSelection(cur, true, false);
 392                 } else
 393                         deleteWordBackward(cur);
 394                 finishChange(cur, false);
 395                 break;
 396
 397         case LFUN_LINE_DELETE:
 398                 if (cur.selection()) {
 399                         cutSelection(cur, true, false);
 400                 } else
 401                         tm.deleteLineForward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_BUFFER_BEGIN:
 406         case LFUN_BUFFER_BEGIN_SELECT:
 407                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 408                 if (cur.depth() == 1) {
 409                         needsUpdate |= cursorTop(cur);
 410                 } else {
 411                         cur.undispatched();
 412                 }
 413                 break;
 414
 415         case LFUN_BUFFER_END:
 416         case LFUN_BUFFER_END_SELECT:
 417                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 418                 if (cur.depth() == 1) {
 419                         needsUpdate |= cursorBottom(cur);
 420                 } else {
 421                         cur.undispatched();
 422                 }
 423                 break;
 424
 425         case LFUN_CHAR_FORWARD:
 426         case LFUN_CHAR_FORWARD_SELECT:
 427                 //lyxerr << BOOST_CURRENT_FUNCTION
 428                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 429                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 430                 if (reverseDirectionNeeded(cur))
 431                         needsUpdate |= cursorLeft(cur);
 432                 else
 433                         needsUpdate |= cursorRight(cur);
 434
 435                 if (!needsUpdate && oldTopSlice == cur.top()
 436                                 && cur.boundary() == oldBoundary) {
 437                         cur.undispatched();
 438                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 439                 }
 440                 break;
 441
 442         case LFUN_CHAR_BACKWARD:
 443         case LFUN_CHAR_BACKWARD_SELECT:
 444                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 445                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 446                 if (reverseDirectionNeeded(cur))
 447                         needsUpdate |= cursorRight(cur);
 448                 else
 449                         needsUpdate |= cursorLeft(cur);
 450
 451                 if (!needsUpdate && oldTopSlice == cur.top()
 452                         && cur.boundary() == oldBoundary) {
 453                         cur.undispatched();
 454                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 455                 }
 456                 break;
 457
 458         case LFUN_UP_SELECT:
 459         case LFUN_DOWN_SELECT:
 460         case LFUN_UP:
 461         case LFUN_DOWN: {
 462                 // stop/start the selection
 463                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 464                         cmd.action == LFUN_UP_SELECT;
 465                 cur.selHandle(select);
 466
 467                 // move cursor up/down
 468                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 469                 bool const successful = cur.upDownInText(up, needsUpdate);
 470                 if (successful) {
 471                         // notify insets which were left and get their update flags
 472                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 473                         cur.fixIfBroken();
 474
 475                         // redraw if you leave mathed (for the decorations)
 476                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 477                 } else
 478                         cur.undispatched();
 479
 480                 break;
 481         }
 482
 483         case LFUN_PARAGRAPH_UP:
 484         case LFUN_PARAGRAPH_UP_SELECT:
 485                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 486                 needsUpdate |= cursorUpParagraph(cur);
 487                 break;
 488
 489         case LFUN_PARAGRAPH_DOWN:
 490         case LFUN_PARAGRAPH_DOWN_SELECT:
 491                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 492                 needsUpdate |= cursorDownParagraph(cur);
 493                 break;
 494
 495         case LFUN_SCREEN_UP:
 496         case LFUN_SCREEN_UP_SELECT:
 497                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 498                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 499                         cur.undispatched();
 500                 else {
 501                         tm.cursorPrevious(cur);
 502                 }
 503                 break;
 504
 505         case LFUN_SCREEN_DOWN:
 506         case LFUN_SCREEN_DOWN_SELECT:
 507                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 508                 if (cur.pit() == cur.lastpit()
 509                           && cur.textRow().endpos() == cur.lastpos())
 510                         cur.undispatched();
 511                 else {
 512                         tm.cursorNext(cur);
 513                 }
 514                 break;
 515
 516         case LFUN_LINE_BEGIN:
 517         case LFUN_LINE_BEGIN_SELECT:
 518                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 519                 needsUpdate |= tm.cursorHome(cur);
 520                 break;
 521
 522         case LFUN_LINE_END:
 523         case LFUN_LINE_END_SELECT:
 524                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 525                 needsUpdate |= tm.cursorEnd(cur);
 526                 break;
 527
 528         case LFUN_WORD_FORWARD:
 529         case LFUN_WORD_FORWARD_SELECT:
 530                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 531                 if (reverseDirectionNeeded(cur))
 532                         needsUpdate |= cursorLeftOneWord(cur);
 533                 else
 534                         needsUpdate |= cursorRightOneWord(cur);
 535                 break;
 536
 537         case LFUN_WORD_BACKWARD:
 538         case LFUN_WORD_BACKWARD_SELECT:
 539                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 540                 if (reverseDirectionNeeded(cur))
 541                         needsUpdate |= cursorRightOneWord(cur);
 542                 else
 543                         needsUpdate |= cursorLeftOneWord(cur);
 544                 break;
 545
 546         case LFUN_WORD_SELECT: {
 547                 selectWord(cur, WHOLE_WORD);
 548                 finishChange(cur, true);
 549                 break;
 550         }
 551
 552         case LFUN_BREAK_LINE: {
 553                 // Not allowed by LaTeX (labels or empty par)
 554                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 555                         // this avoids a double undo
 556                         // FIXME: should not be needed, ideally
 557                         if (!cur.selection())
 558                                 recordUndo(cur);
 559                         cap::replaceSelection(cur);
 560                         cur.insert(new InsetNewline);
 561                         cur.posRight();
 562                         moveCursor(cur, false);
 563                 }
 564                 break;
 565         }
 566
 567         case LFUN_CHAR_DELETE_FORWARD:
 568                 if (!cur.selection()) {
 569                         if (cur.pos() == cur.paragraph().size())
 570                                 // Par boundary, force full-screen update
 571                                 singleParUpdate = false;
 572                         needsUpdate |= erase(cur);
 573                         cur.resetAnchor();
 574                         // It is possible to make it a lot faster still
 575                         // just comment out the line below...
 576                 } else {
 577                         cutSelection(cur, true, false);
 578                         singleParUpdate = false;
 579                 }
 580                 moveCursor(cur, false);
 581                 break;
 582
 583         case LFUN_DELETE_FORWARD_SKIP:
 584                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 585                 if (!cur.selection()) {
 586                         if (cur.pos() == cur.lastpos()) {
 587                                 cursorRight(cur);
 588                                 cursorLeft(cur);
 589                         }
 590                         erase(cur);
 591                         cur.resetAnchor();
 592                 } else {
 593                         cutSelection(cur, true, false);
 594                 }
 595                 break;
 596
 597
 598         case LFUN_CHAR_DELETE_BACKWARD:
 599                 if (!cur.selection()) {
 600                         if (bv->getIntl().getTransManager().backspace()) {
 601                                 // Par boundary, full-screen update
 602                                 if (cur.pos() == 0)
 603                                         singleParUpdate = false;
 604                                 needsUpdate |= backspace(cur);
 605                                 cur.resetAnchor();
 606                                 // It is possible to make it a lot faster still
 607                                 // just comment out the line below...
 608                         }
 609                 } else {
 610                         cutSelection(cur, true, false);
 611                         singleParUpdate = false;
 612                 }
 613                 break;
 614
 615         case LFUN_DELETE_BACKWARD_SKIP:
 616                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 617                 if (!cur.selection()) {
 618                         // FIXME: look here
 619                         //CursorSlice cur = cursor();
 620                         backspace(cur);
 621                         //anchor() = cur;
 622                 } else {
 623                         cutSelection(cur, true, false);
 624                 }
 625                 break;
 626
 627         case LFUN_BREAK_PARAGRAPH:
 628                 cap::replaceSelection(cur);
 629                 breakParagraph(cur, 0);
 630                 cur.resetAnchor();
 631                 break;
 632
 633         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 634                 cap::replaceSelection(cur);
 635                 breakParagraph(cur, 1);
 636                 cur.resetAnchor();
 637                 break;
 638
 639         case LFUN_BREAK_PARAGRAPH_SKIP: {
 640                 // When at the beginning of a paragraph, remove
 641                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 642                 cap::replaceSelection(cur);
 643                 if (cur.pos() == 0)
 644                         cur.paragraph().params().labelWidthString(docstring());
 645                 else
 646                         breakParagraph(cur, 0);
 647                 cur.resetAnchor();
 648                 break;
 649         }
 650
 651         // TODO
 652         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 653         // as its duties can be performed there. Should it be removed??
 654         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 655         case LFUN_PARAGRAPH_SPACING: {
 656                 Paragraph & par = cur.paragraph();
 657                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 658                 string cur_value = "1.0";
 659                 if (cur_spacing == Spacing::Other)
 660                         cur_value = par.params().spacing().getValueAsString();
 661
 662                 istringstream is(to_utf8(cmd.argument()));
 663                 string tmp;
 664                 is >> tmp;
 665                 Spacing::Space new_spacing = cur_spacing;
 666                 string new_value = cur_value;
 667                 if (tmp.empty()) {
 668                         lyxerr << "Missing argument to `paragraph-spacing'"
 669                                << endl;
 670                 } else if (tmp == "single") {
 671                         new_spacing = Spacing::Single;
 672                 } else if (tmp == "onehalf") {
 673                         new_spacing = Spacing::Onehalf;
 674                 } else if (tmp == "double") {
 675                         new_spacing = Spacing::Double;
 676                 } else if (tmp == "other") {
 677                         new_spacing = Spacing::Other;
 678                         string tmpval = "0.0";
 679                         is >> tmpval;
 680                         lyxerr << "new_value = " << tmpval << endl;
 681                         if (tmpval != "0.0")
 682                                 new_value = tmpval;
 683                 } else if (tmp == "default") {
 684                         new_spacing = Spacing::Default;
 685                 } else {
 686                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 687                                << to_utf8(cmd.argument()) << endl;
 688                 }
 689                 if (cur_spacing != new_spacing || cur_value != new_value)
 690                         par.params().spacing(Spacing(new_spacing, new_value));
 691                 break;
 692         }
 693
 694         case LFUN_INSET_INSERT: {
 695                 recordUndo(cur);
 696                 Inset * inset = createInset(bv, cmd);
 697                 if (inset) {
 698                         // FIXME (Abdel 01/02/2006):
 699                         // What follows would be a partial fix for bug 2154:
 700                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 701                         // This automatically put the label inset _after_ a
 702                         // numbered section. It should be possible to extend the mechanism
 703                         // to any kind of LateX environement.
 704                         // The correct way to fix that bug would be at LateX generation.
 705                         // I'll let the code here for reference as it could be used for some
 706                         // other feature like "automatic labelling".
 707                         /*
 708                         Paragraph & par = pars_[cur.pit()];
 709                         if (inset->lyxCode() == Inset::LABEL_CODE
 710                                 && par.layout()->labeltype == LABEL_COUNTER) {
 711                                 // Go to the end of the paragraph
 712                                 // Warning: Because of Change-Tracking, the last
 713                                 // position is 'size()' and not 'size()-1':
 714                                 cur.pos() = par.size();
 715                                 // Insert a new paragraph
 716                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 717                                 dispatch(cur, fr);
 718                         }
 719                         */
 720                         if (cur.selection())
 721                                 cutSelection(cur, true, false);
 722                         insertInset(cur, inset);
 723                         cur.posRight();
 724                 }
 725                 break;
 726         }
 727
 728         case LFUN_INSET_DISSOLVE:
 729                 needsUpdate |= dissolveInset(cur);
 730                 break;
 731
 732         case LFUN_INSET_SETTINGS:
 733                 cur.inset().showInsetDialog(bv);
 734                 break;
 735
 736         case LFUN_SPACE_INSERT:
 737                 if (cur.paragraph().layout()->free_spacing)
 738                         insertChar(cur, ' ');
 739                 else {
 740                         doInsertInset(cur, this, cmd, false, false);
 741                         cur.posRight();
 742                 }
 743                 moveCursor(cur, false);
 744                 break;
 745
 746         case LFUN_HYPHENATION_POINT_INSERT:
 747                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 748                 break;
 749
 750         case LFUN_LIGATURE_BREAK_INSERT:
 751                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 752                 break;
 753
 754         case LFUN_DOTS_INSERT:
 755                 specialChar(cur, InsetSpecialChar::LDOTS);
 756                 break;
 757
 758         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 759                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 760                 break;
 761
 762         case LFUN_MENU_SEPARATOR_INSERT:
 763                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 764                 break;
 765
 766         case LFUN_WORD_UPCASE:
 767                 changeCase(cur, Text::text_uppercase);
 768                 break;
 769
 770         case LFUN_WORD_LOWCASE:
 771                 changeCase(cur, Text::text_lowercase);
 772                 break;
 773
 774         case LFUN_WORD_CAPITALIZE:
 775                 changeCase(cur, Text::text_capitalization);
 776                 break;
 777
 778         case LFUN_CHARS_TRANSPOSE:
 779                 charsTranspose(cur);
 780                 break;
 781
 782         case LFUN_PASTE:
 783                 cur.message(_("Paste"));
 784                 cap::replaceSelection(cur);
 785                 if (cmd.argument().empty() && !theClipboard().isInternal())
 786                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 787                 else {
 788                         string const arg(to_utf8(cmd.argument()));
 789                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 790                                         isStrUnsignedInt(arg) ?
 791                                                 convert<unsigned int>(arg) :
 792                                                 0);
 793                 }
 794                 bv->buffer().errors("Paste");
 795                 cur.clearSelection(); // bug 393
 796                 finishUndo();
 797                 break;
 798
 799         case LFUN_CUT:
 800                 cutSelection(cur, true, true);
 801                 cur.message(_("Cut"));
 802                 break;
 803
 804         case LFUN_COPY:
 805                 copySelection(cur);
 806                 cur.message(_("Copy"));
 807                 break;
 808
 809         case LFUN_SERVER_GET_XY:
 810                 cur.message(from_utf8(
 811                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 812                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 813                 break;
 814
 815         case LFUN_SERVER_SET_XY: {
 816                 int x = 0;
 817                 int y = 0;
 818                 istringstream is(to_utf8(cmd.argument()));
 819                 is >> x >> y;
 820                 if (!is)
 821                         lyxerr << "SETXY: Could not parse coordinates in '"
 822                                << to_utf8(cmd.argument()) << std::endl;
 823                 else
 824                         tm.setCursorFromCoordinates(cur, x, y);
 825                 break;
 826         }
 827
 828         case LFUN_SERVER_GET_FONT:
 829                 if (current_font.shape() == Font::ITALIC_SHAPE)
 830                         cur.message(from_ascii("E"));
 831                 else if (current_font.shape() == Font::SMALLCAPS_SHAPE)
 832                         cur.message(from_ascii("N"));
 833                 else
 834                         cur.message(from_ascii("0"));
 835                 break;
 836
 837         case LFUN_SERVER_GET_LAYOUT:
 838                 cur.message(cur.paragraph().layout()->name());
 839                 break;
 840
 841         case LFUN_LAYOUT: {
 842                 docstring layout = cmd.argument();
 843                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 844
 845                 // Derive layout number from given argument (string)
 846                 // and current buffer's textclass (number)
 847                 TextClass const & tclass = bv->buffer().params().getTextClass();
 848                 if (layout.empty())
 849                         layout = tclass.defaultLayoutName();
 850                 bool hasLayout = tclass.hasLayout(layout);
 851
 852                 // If the entry is obsolete, use the new one instead.
 853                 if (hasLayout) {
 854                         docstring const & obs = tclass[layout]->obsoleted_by();
 855                         if (!obs.empty())
 856                                 layout = obs;
 857                 }
 858
 859                 if (!hasLayout) {
 860                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 861                                 from_utf8(N_(" not known")));
 862                         break;
 863                 }
 864
 865                 bool change_layout = (frontend::current_layout != layout);
 866
 867                 if (!change_layout && cur.selection() &&
 868                         cur.selBegin().pit() != cur.selEnd().pit())
 869                 {
 870                         pit_type spit = cur.selBegin().pit();
 871                         pit_type epit = cur.selEnd().pit() + 1;
 872                         while (spit != epit) {
 873                                 if (pars_[spit].layout()->name() != frontend::current_layout) {
 874                                         change_layout = true;
 875                                         break;
 876                                 }
 877                                 ++spit;
 878                         }
 879                 }
 880
 881                 if (change_layout) {
 882                         setLayout(cur, layout);
 883                         // inform the GUI that the layout has changed.
 884                         bv->layoutChanged(layout);
 885                 }
 886                 break;
 887         }
 888
 889         case LFUN_CLIPBOARD_PASTE:
 890                 cur.clearSelection();
 891                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 892                                cmd.argument() == "paragraph");
 893                 bv->buffer().errors("Paste");
 894                 break;
 895
 896         case LFUN_PRIMARY_SELECTION_PASTE:
 897                 pasteString(cur, theSelection().get(),
 898                             cmd.argument() == "paragraph");
 899                 break;
 900
 901         case LFUN_UNICODE_INSERT: {
 902                 if (cmd.argument().empty())
 903                         break;
 904                 docstring hexstring = cmd.argument();
 905                 if (lyx::support::isHex(hexstring)) {
 906                         char_type c = lyx::support::hexToInt(hexstring);
 907                         if (c >= 32 && c < 0x10ffff) {
 908                                 lyxerr << "Inserting c: " << c << endl;
 909                                 docstring s = docstring(1, c);
 910                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 911                         }
 912                 }
 913                 break;
 914         }
 915
 916         case LFUN_QUOTE_INSERT: {
 917                 Paragraph & par = cur.paragraph();
 918                 pos_type pos = cur.pos();
 919                 BufferParams const & bufparams = bv->buffer().params();
 920                 LayoutPtr const & style = par.layout();
 921                 if (!style->pass_thru
 922                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 923                         // this avoids a double undo
 924                         // FIXME: should not be needed, ideally
 925                         if (!cur.selection())
 926                                 recordUndo(cur);
 927                         cap::replaceSelection(cur);
 928                         pos = cur.pos();
 929                         char_type c;
 930                         if (pos == 0)
 931                                 c = ' ';
 932                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 933                                 c = ' ';
 934                         else
 935                                 c = par.getChar(pos - 1);
 936                         string arg = to_utf8(cmd.argument());
 937                         if (arg == "single")
 938                                 cur.insert(new InsetQuotes(c,
 939                                     bufparams.quotes_language,
 940                                     InsetQuotes::SingleQ));
 941                         else
 942                                 cur.insert(new InsetQuotes(c,
 943                                     bufparams.quotes_language,
 944                                     InsetQuotes::DoubleQ));
 945                         cur.posRight();
 946                 }
 947                 else
 948                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 949                 break;
 950         }
 951
 952         case LFUN_DATE_INSERT: {
 953                 string const format = cmd.argument().empty()
 954                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 955                 string const time = formatted_time(current_time(), format);
 956                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 957                 break;
 958         }
 959
 960         case LFUN_MOUSE_TRIPLE:
 961                 if (cmd.button() == mouse_button::button1) {
 962                         tm.cursorHome(cur);
 963                         cur.resetAnchor();
 964                         tm.cursorEnd(cur);
 965                         cur.setSelection();
 966                         bv->cursor() = cur;
 967                 }
 968                 break;
 969
 970         case LFUN_MOUSE_DOUBLE:
 971                 if (cmd.button() == mouse_button::button1) {
 972                         selectWord(cur, WHOLE_WORD_STRICT);
 973                         bv->cursor() = cur;
 974                 }
 975                 break;
 976
 977         // Single-click on work area
 978         case LFUN_MOUSE_PRESS: {
 979                 // Right click on a footnote flag opens float menu
 980                 if (cmd.button() == mouse_button::button3)
 981                         cur.clearSelection();
 982
 983                 // Set the cursor
 984                 bool update = bv->mouseSetCursor(cur);
 985
 986                 // Insert primary selection with middle mouse
 987                 // if there is a local selection in the current buffer,
 988                 // insert this
 989                 if (cmd.button() == mouse_button::button2) {
 990                         if (cap::selection()) {
 991                                 // Copy the selection buffer to the clipboard
 992                                 // stack, because we want it to appear in the
 993                                 // "Edit->Paste recent" menu.
 994                                 cap::copySelectionToStack();
 995
 996                                 cap::pasteSelection(bv->cursor(),
 997                                                     bv->buffer().errorList("Paste"));
 998                                 bv->buffer().errors("Paste");
 999                                 bv->buffer().markDirty();
1000                                 finishUndo();
1001                         } else {
1002                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1003                         }
1004                 }
1005
1006                 // we have to update after dEPM triggered
1007                 if (!update && cmd.button() == mouse_button::button1) {
1008                         needsUpdate = false;
1009                         cur.noUpdate();
1010                 }
1011
1012                 break;
1013         }
1014
1015         case LFUN_MOUSE_MOTION: {
1016                 // Only use motion with button 1
1017                 //if (cmd.button() != mouse_button::button1)
1018                 //      return false;
1019
1020                 // ignore motions deeper nested than the real anchor
1021                 Cursor & bvcur = cur.bv().cursor();
1022                 if (bvcur.anchor_.hasPart(cur)) {
1023                         CursorSlice old = bvcur.top();
1024
1025                         int const wh = bv->workHeight();
1026                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1027
1028                         tm.setCursorFromCoordinates(cur, cmd.x, y);
1029                         cur.setTargetX(cmd.x);
1030                         if (cmd.y >= wh)
1031                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1032                         else if (cmd.y < 0)
1033                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1034                         // This is to allow jumping over large insets
1035                         if (cur.top() == old) {
1036                                 if (cmd.y >= wh)
1037                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
1038                                 else if (cmd.y < 0)
1039                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
1040                         }
1041
1042                         if (cur.top() == old)
1043                                 cur.noUpdate();
1044                         else {
1045                                 // don't set anchor_
1046                                 bvcur.setCursor(cur);
1047                                 bvcur.selection() = true;
1048                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1049                         }
1050
1051                 } else
1052                         cur.undispatched();
1053                 break;
1054         }
1055
1056         case LFUN_MOUSE_RELEASE: {
1057                 if (cmd.button() == mouse_button::button2)
1058                         break;
1059
1060                 if (cmd.button() == mouse_button::button1) {
1061                         // if there is new selection, update persistent
1062                         // selection, otherwise, single click does not
1063                         // clear persistent selection buffer
1064                         if (cur.selection()) {
1065                                 // finish selection
1066                                 // if double click, cur is moved to the end of word by selectWord
1067                                 // but bvcur is current mouse position
1068                                 Cursor & bvcur = cur.bv().cursor();
1069                                 bvcur.selection() = true;
1070                         }
1071                         needsUpdate = false;
1072                         cur.noUpdate();
1073                 }
1074
1075                 break;
1076         }
1077
1078         case LFUN_SELF_INSERT: {
1079                 if (cmd.argument().empty())
1080                         break;
1081
1082                 // Automatically delete the currently selected
1083                 // text and replace it with what is being
1084                 // typed in now. Depends on lyxrc settings
1085                 // "auto_region_delete", which defaults to
1086                 // true (on).
1087
1088                 if (lyxrc.auto_region_delete && cur.selection()) {
1089                         cutSelection(cur, false, false);
1090                         // When change tracking is set to off, the metrics update
1091                         // mechanism correctly detects if a full update is needed or not.
1092                         // This detection fails when a selection spans multiple rows and
1093                         // change tracking is enabled because the paragraph metrics stays
1094                         // the same. In this case, we force the full update:
1095                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1096                         if (cur.buffer().params().trackChanges)
1097                                 cur.updateFlags(Update::Force);
1098                 }
1099
1100                 cur.clearSelection();
1101                 Font const old_font = real_current_font;
1102
1103                 docstring::const_iterator cit = cmd.argument().begin();
1104                 docstring::const_iterator end = cmd.argument().end();
1105                 for (; cit != end; ++cit)
1106                         bv->translateAndInsert(*cit, this, cur);
1107
1108                 cur.resetAnchor();
1109                 moveCursor(cur, false);
1110                 break;
1111         }
1112
1113         case LFUN_URL_INSERT: {
1114                 InsetCommandParams p("url");
1115                 docstring content;
1116                 if (cur.selection()) {
1117                         content = cur.selectionAsString(false);
1118                         cutSelection(cur, true, false);
1119                 }
1120                 p["target"] = (cmd.argument().empty()) ?
1121                         content : cmd.argument();
1122                 string const data = InsetCommandMailer::params2string("url", p);
1123                 if (p["target"].empty()) {
1124                         bv->showInsetDialog("url", data, 0);
1125                 } else {
1126                         FuncRequest fr(LFUN_INSET_INSERT, data);
1127                         dispatch(cur, fr);
1128                 }
1129                 break;
1130         }
1131
1132         case LFUN_HTML_INSERT: {
1133                 InsetCommandParams p("htmlurl");
1134                 docstring content;
1135                 if (cur.selection()) {
1136                         content = cur.selectionAsString(false);
1137                         cutSelection(cur, true, false);
1138                 }
1139                 p["target"] = (cmd.argument().empty()) ?
1140                         content : cmd.argument();
1141                 string const data = InsetCommandMailer::params2string("url", p);
1142                 if (p["target"].empty()) {
1143                         bv->showInsetDialog("url", data, 0);
1144                 } else {
1145                         FuncRequest fr(LFUN_INSET_INSERT, data);
1146                         dispatch(cur, fr);
1147                 }
1148                 break;
1149         }
1150
1151         case LFUN_LABEL_INSERT: {
1152                 InsetCommandParams p("label");
1153                 // Try to generate a valid label
1154                 p["name"] = (cmd.argument().empty()) ?
1155                         cur.getPossibleLabel() :
1156                         cmd.argument();
1157                 string const data = InsetCommandMailer::params2string("label", p);
1158
1159                 if (cmd.argument().empty()) {
1160                         bv->showInsetDialog("label", data, 0);
1161                 } else {
1162                         FuncRequest fr(LFUN_INSET_INSERT, data);
1163                         dispatch(cur, fr);
1164                 }
1165                 break;
1166         }
1167
1168
1169 #if 0
1170         case LFUN_LIST_INSERT:
1171         case LFUN_THEOREM_INSERT:
1172 #endif
1173         case LFUN_CAPTION_INSERT:
1174                 // Open the inset, and move the current selection
1175                 // inside it.
1176                 doInsertInset(cur, this, cmd, true, true);
1177                 cur.posRight();
1178                 updateLabels(bv->buffer());
1179                 break;
1180         case LFUN_NOTE_INSERT:
1181         case LFUN_CHARSTYLE_INSERT:
1182         case LFUN_BOX_INSERT:
1183         case LFUN_BRANCH_INSERT:
1184         case LFUN_BIBITEM_INSERT:
1185         case LFUN_ERT_INSERT:
1186         case LFUN_LISTING_INSERT:
1187         case LFUN_FOOTNOTE_INSERT:
1188         case LFUN_MARGINALNOTE_INSERT:
1189         case LFUN_OPTIONAL_INSERT:
1190         case LFUN_ENVIRONMENT_INSERT:
1191                 // Open the inset, and move the current selection
1192                 // inside it.
1193                 doInsertInset(cur, this, cmd, true, true);
1194                 cur.posRight();
1195                 break;
1196
1197         case LFUN_TABULAR_INSERT:
1198                 // if there were no arguments, just open the dialog
1199                 if (doInsertInset(cur, this, cmd, false, true))
1200                         cur.posRight();
1201                 else
1202                         bv->showDialog("tabularcreate");
1203
1204                 break;
1205
1206         case LFUN_FLOAT_INSERT:
1207         case LFUN_FLOAT_WIDE_INSERT:
1208         case LFUN_WRAP_INSERT: {
1209                 bool content = cur.selection();  // will some text be moved into the inset?
1210
1211                 doInsertInset(cur, this, cmd, true, true);
1212                 cur.posRight();
1213                 ParagraphList & pars = cur.text()->paragraphs();
1214
1215                 TextClass const & tclass = bv->buffer().params().getTextClass();
1216
1217                 // add a separate paragraph for the caption inset
1218                 pars.push_back(Paragraph());
1219                 pars.back().setInsetOwner(pars[0].inInset());
1220                 pars.back().layout(tclass.defaultLayout());
1221
1222                 int cap_pit = pars.size() - 1;
1223
1224                 // if an empty inset was created, we create an additional empty
1225                 // paragraph at the bottom so that the user can choose where to put
1226                 // the graphics (or table).
1227                 if (!content) {
1228                         pars.push_back(Paragraph());
1229                         pars.back().setInsetOwner(pars[0].inInset());
1230                         pars.back().layout(tclass.defaultLayout());
1231
1232                 }
1233
1234                 // reposition the cursor to the caption
1235                 cur.pit() = cap_pit;
1236                 cur.pos() = 0;
1237                 // FIXME: This Text/Cursor dispatch handling is a mess!
1238                 // We cannot use Cursor::dispatch here it needs access to up to
1239                 // date metrics.
1240                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1241                 cur.text()->dispatch(cur, cmd_caption);
1242                 cur.updateFlags(Update::Force);
1243                 // FIXME: When leaving the Float (or Wrap) inset we should
1244                 // delete any empty paragraph left above or below the
1245                 // caption.
1246                 break;
1247         }
1248
1249         case LFUN_INDEX_INSERT:
1250         case LFUN_NOMENCL_INSERT: {
1251                 Inset * inset = createInset(&cur.bv(), cmd);
1252                 if (!inset)
1253                         break;
1254                 recordUndo(cur);
1255                 cur.clearSelection();
1256                 insertInset(cur, inset);
1257                 inset->edit(cur, true);
1258                 // Show the dialog for the nomenclature entry, since the
1259                 // description entry still needs to be filled in.
1260                 if (cmd.action == LFUN_NOMENCL_INSERT)
1261                         InsetCommandMailer("nomenclature",
1262                                 *reinterpret_cast<InsetCommand *>(inset)).showDialog(&cur.bv());
1263                 cur.posRight();
1264                 break;
1265         }
1266
1267         case LFUN_INDEX_PRINT:
1268         case LFUN_NOMENCL_PRINT:
1269         case LFUN_TOC_INSERT:
1270         case LFUN_HFILL_INSERT:
1271         case LFUN_LINE_INSERT:
1272         case LFUN_PAGEBREAK_INSERT:
1273         case LFUN_CLEARPAGE_INSERT:
1274         case LFUN_CLEARDOUBLEPAGE_INSERT:
1275                 // do nothing fancy
1276                 doInsertInset(cur, this, cmd, false, false);
1277                 cur.posRight();
1278                 break;
1279
1280         case LFUN_DEPTH_DECREMENT:
1281                 changeDepth(cur, DEC_DEPTH);
1282                 break;
1283
1284         case LFUN_DEPTH_INCREMENT:
1285                 changeDepth(cur, INC_DEPTH);
1286                 break;
1287
1288         case LFUN_MATH_DISPLAY:
1289                 mathDispatch(cur, cmd, true);
1290                 break;
1291
1292         case LFUN_MATH_IMPORT_SELECTION:
1293         case LFUN_MATH_MODE:
1294                 if (cmd.argument() == "on")
1295                         // don't pass "on" as argument
1296                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1297                 else
1298                         mathDispatch(cur, cmd, false);
1299                 break;
1300
1301         case LFUN_MATH_MACRO:
1302                 if (cmd.argument().empty())
1303                         cur.errorMessage(from_utf8(N_("Missing argument")));
1304                 else {
1305                         string s = to_utf8(cmd.argument());
1306                         string const s1 = token(s, ' ', 1);
1307                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1308                         string const s2 = token(s, ' ', 2);
1309                         string const type = s2.empty() ? "newcommand" : s2;
1310                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1311                         //cur.nextInset()->edit(cur, true);
1312                 }
1313                 break;
1314
1315         // passthrough hat and underscore outside mathed:
1316         case LFUN_MATH_SUBSCRIPT:
1317                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1318                 break;
1319         case LFUN_MATH_SUPERSCRIPT:
1320                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1321                 break;
1322
1323         case LFUN_MATH_INSERT:
1324         case LFUN_MATH_MATRIX:
1325         case LFUN_MATH_DELIM:
1326         case LFUN_MATH_BIGDELIM: {
1327                 if (cur.selection())
1328                         cur.clearSelection();
1329                 // FIXME: instead of the above, this one
1330                 // should be used (but it asserts with Bidi enabled)
1331                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1332                 // cap::replaceSelection(cur);
1333                 cur.insert(new InsetMathHull(hullSimple));
1334                 checkAndActivateInset(cur, true);
1335                 BOOST_ASSERT(cur.inMathed());
1336                 cur.dispatch(cmd);
1337                 break;
1338         }
1339
1340         case LFUN_FONT_EMPH: {
1341                 Font font(Font::ALL_IGNORE);
1342                 font.setEmph(Font::TOGGLE);
1343                 toggleAndShow(cur, this, font);
1344                 break;
1345         }
1346
1347         case LFUN_FONT_BOLD: {
1348                 Font font(Font::ALL_IGNORE);
1349                 font.setSeries(Font::BOLD_SERIES);
1350                 toggleAndShow(cur, this, font);
1351                 break;
1352         }
1353
1354         case LFUN_FONT_NOUN: {
1355                 Font font(Font::ALL_IGNORE);
1356                 font.setNoun(Font::TOGGLE);
1357                 toggleAndShow(cur, this, font);
1358                 break;
1359         }
1360
1361         case LFUN_FONT_CODE: {
1362                 Font font(Font::ALL_IGNORE);
1363                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1364                 toggleAndShow(cur, this, font);
1365                 break;
1366         }
1367
1368         case LFUN_FONT_SANS: {
1369                 Font font(Font::ALL_IGNORE);
1370                 font.setFamily(Font::SANS_FAMILY);
1371                 toggleAndShow(cur, this, font);
1372                 break;
1373         }
1374
1375         case LFUN_FONT_ROMAN: {
1376                 Font font(Font::ALL_IGNORE);
1377                 font.setFamily(Font::ROMAN_FAMILY);
1378                 toggleAndShow(cur, this, font);
1379                 break;
1380         }
1381
1382         case LFUN_FONT_DEFAULT: {
1383                 Font font(Font::ALL_INHERIT, ignore_language);
1384                 toggleAndShow(cur, this, font);
1385                 break;
1386         }
1387
1388         case LFUN_FONT_UNDERLINE: {
1389                 Font font(Font::ALL_IGNORE);
1390                 font.setUnderbar(Font::TOGGLE);
1391                 toggleAndShow(cur, this, font);
1392                 break;
1393         }
1394
1395         case LFUN_FONT_SIZE: {
1396                 Font font(Font::ALL_IGNORE);
1397                 font.setLyXSize(to_utf8(cmd.argument()));
1398                 toggleAndShow(cur, this, font);
1399                 break;
1400         }
1401
1402         case LFUN_LANGUAGE: {
1403                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1404                 if (!lang)
1405                         break;
1406                 Font font(Font::ALL_IGNORE);
1407                 font.setLanguage(lang);
1408                 toggleAndShow(cur, this, font);
1409                 break;
1410         }
1411
1412         case LFUN_FONT_FREE_APPLY:
1413                 toggleAndShow(cur, this, freefont, toggleall);
1414                 cur.message(_("Character set"));
1415                 break;
1416
1417         // Set the freefont using the contents of \param data dispatched from
1418         // the frontends and apply it at the current cursor location.
1419         case LFUN_FONT_FREE_UPDATE: {
1420                 Font font;
1421                 bool toggle;
1422                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1423                         freefont = font;
1424                         toggleall = toggle;
1425                         toggleAndShow(cur, this, freefont, toggleall);
1426                         cur.message(_("Character set"));
1427                 }
1428                 break;
1429         }
1430
1431         case LFUN_FINISHED_LEFT:
1432                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1433                 if (reverseDirectionNeeded(cur))
1434                         ++cur.pos();
1435                 break;
1436
1437         case LFUN_FINISHED_RIGHT:
1438                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1439                 if (!reverseDirectionNeeded(cur))
1440                         ++cur.pos();
1441                 break;
1442
1443         case LFUN_LAYOUT_PARAGRAPH: {
1444                 string data;
1445                 params2string(cur.paragraph(), data);
1446                 data = "show\n" + data;
1447                 bv->showDialogWithData("paragraph", data);
1448                 break;
1449         }
1450
1451         case LFUN_PARAGRAPH_UPDATE: {
1452                 string data;
1453                 params2string(cur.paragraph(), data);
1454
1455                 // Will the paragraph accept changes from the dialog?
1456                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1457
1458                 data = "update " + convert<string>(accept) + '\n' + data;
1459                 bv->updateDialog("paragraph", data);
1460                 break;
1461         }
1462
1463         case LFUN_ACCENT_UMLAUT:
1464         case LFUN_ACCENT_CIRCUMFLEX:
1465         case LFUN_ACCENT_GRAVE:
1466         case LFUN_ACCENT_ACUTE:
1467         case LFUN_ACCENT_TILDE:
1468         case LFUN_ACCENT_CEDILLA:
1469         case LFUN_ACCENT_MACRON:
1470         case LFUN_ACCENT_DOT:
1471         case LFUN_ACCENT_UNDERDOT:
1472         case LFUN_ACCENT_UNDERBAR:
1473         case LFUN_ACCENT_CARON:
1474         case LFUN_ACCENT_SPECIAL_CARON:
1475         case LFUN_ACCENT_BREVE:
1476         case LFUN_ACCENT_TIE:
1477         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1478         case LFUN_ACCENT_CIRCLE:
1479         case LFUN_ACCENT_OGONEK:
1480                 theLyXFunc().handleKeyFunc(cmd.action);
1481                 if (!cmd.argument().empty())
1482                         // FIXME: Are all these characters encoded in one byte in utf8?
1483                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1484                 break;
1485
1486         case LFUN_FLOAT_LIST: {
1487                 TextClass const & tclass = bv->buffer().params().getTextClass();
1488                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1489                         recordUndo(cur);
1490                         if (cur.selection())
1491                                 cutSelection(cur, true, false);
1492                         breakParagraph(cur);
1493
1494                         if (cur.lastpos() != 0) {
1495                                 cursorLeft(cur);
1496                                 breakParagraph(cur);
1497                         }
1498
1499                         setLayout(cur, tclass.defaultLayoutName());
1500                         ParagraphParameters p;
1501                         setParagraphs(cur, p);
1502                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1503                         cur.posRight();
1504                 } else {
1505                         lyxerr << "Non-existent float type: "
1506                                << to_utf8(cmd.argument()) << endl;
1507                 }
1508                 break;
1509         }
1510
1511         case LFUN_CHANGE_ACCEPT: {
1512                 acceptOrRejectChanges(cur, ACCEPT);
1513                 break;
1514         }
1515
1516         case LFUN_CHANGE_REJECT: {
1517                 acceptOrRejectChanges(cur, REJECT);
1518                 break;
1519         }
1520
1521         case LFUN_THESAURUS_ENTRY: {
1522                 docstring arg = cmd.argument();
1523                 if (arg.empty()) {
1524                         arg = cur.selectionAsString(false);
1525                         // FIXME
1526                         if (arg.size() > 100 || arg.empty()) {
1527                                 // Get word or selection
1528                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1529                                 arg = cur.selectionAsString(false);
1530                         }
1531                 }
1532                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1533                 break;
1534         }
1535
1536         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1537                 // Given data, an encoding of the ParagraphParameters
1538                 // generated in the Paragraph dialog, this function sets
1539                 // the current paragraph, or currently selected paragraphs,
1540                 // appropriately.
1541                 // NOTE: This function overrides all existing settings.
1542                 setParagraphs(cur, cmd.argument());
1543                 cur.message(_("Paragraph layout set"));
1544                 break;
1545         }
1546
1547         case LFUN_PARAGRAPH_PARAMS: {
1548                 // Given data, an encoding of the ParagraphParameters as we'd
1549                 // find them in a LyX file, this function modifies the current paragraph,
1550                 // or currently selected paragraphs.
1551                 // NOTE: This function only modifies, and does not override, existing
1552                 // settings.
1553                 setParagraphs(cur, cmd.argument(), true);
1554                 cur.message(_("Paragraph layout set"));
1555                 break;
1556         }
1557
1558         case LFUN_ESCAPE:
1559                 if (cur.selection()) {
1560                         cur.selection() = false;
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 Text" << 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 Text::erase() and Text::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 Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1626                         FuncStatus & flag) const
1627 {
1628         BOOST_ASSERT(cur.text() == this);
1629
1630         Font const & font = real_current_font;
1631         bool enable = true;
1632         Inset::Code code = Inset::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                           && cur.pos() == 0);
1651                 break;
1652
1653         case LFUN_DIALOG_SHOW_NEW_INSET:
1654                 if (cmd.argument() == "bibitem")
1655                         code = Inset::BIBITEM_CODE;
1656                 else if (cmd.argument() == "bibtex")
1657                         code = Inset::BIBTEX_CODE;
1658                 else if (cmd.argument() == "box")
1659                         code = Inset::BOX_CODE;
1660                 else if (cmd.argument() == "branch")
1661                         code = Inset::BRANCH_CODE;
1662                 else if (cmd.argument() == "citation")
1663                         code = Inset::CITE_CODE;
1664                 else if (cmd.argument() == "ert")
1665                         code = Inset::ERT_CODE;
1666                 else if (cmd.argument() == "external")
1667                         code = Inset::EXTERNAL_CODE;
1668                 else if (cmd.argument() == "float")
1669                         code = Inset::FLOAT_CODE;
1670                 else if (cmd.argument() == "graphics")
1671                         code = Inset::GRAPHICS_CODE;
1672                 else if (cmd.argument() == "include")
1673                         code = Inset::INCLUDE_CODE;
1674                 else if (cmd.argument() == "index")
1675                         code = Inset::INDEX_CODE;
1676                 else if (cmd.argument() == "nomenclature")
1677                         code = Inset::NOMENCL_CODE;
1678                 else if (cmd.argument() == "label")
1679                         code = Inset::LABEL_CODE;
1680                 else if (cmd.argument() == "note")
1681                         code = Inset::NOTE_CODE;
1682                 else if (cmd.argument() == "ref")
1683                         code = Inset::REF_CODE;
1684                 else if (cmd.argument() == "toc")
1685                         code = Inset::TOC_CODE;
1686                 else if (cmd.argument() == "url")
1687                         code = Inset::URL_CODE;
1688                 else if (cmd.argument() == "vspace")
1689                         code = Inset::VSPACE_CODE;
1690                 else if (cmd.argument() == "wrap")
1691                         code = Inset::WRAP_CODE;
1692                 else if (cmd.argument() == "listings")
1693                         code = Inset::LISTINGS_CODE;
1694                 break;
1695
1696         case LFUN_ERT_INSERT:
1697                 code = Inset::ERT_CODE;
1698                 break;
1699         case LFUN_LISTING_INSERT:
1700             code = Inset::LISTINGS_CODE;
1701                 break;
1702         case LFUN_FOOTNOTE_INSERT:
1703                 code = Inset::FOOT_CODE;
1704                 break;
1705         case LFUN_TABULAR_INSERT:
1706                 code = Inset::TABULAR_CODE;
1707                 break;
1708         case LFUN_MARGINALNOTE_INSERT:
1709                 code = Inset::MARGIN_CODE;
1710                 break;
1711         case LFUN_FLOAT_INSERT:
1712         case LFUN_FLOAT_WIDE_INSERT:
1713                 code = Inset::FLOAT_CODE;
1714                 break;
1715         case LFUN_WRAP_INSERT:
1716                 code = Inset::WRAP_CODE;
1717                 break;
1718         case LFUN_FLOAT_LIST:
1719                 code = Inset::FLOAT_LIST_CODE;
1720                 break;
1721 #if 0
1722         case LFUN_LIST_INSERT:
1723                 code = Inset::LIST_CODE;
1724                 break;
1725         case LFUN_THEOREM_INSERT:
1726                 code = Inset::THEOREM_CODE;
1727                 break;
1728 #endif
1729         case LFUN_CAPTION_INSERT:
1730                 code = Inset::CAPTION_CODE;
1731                 break;
1732         case LFUN_NOTE_INSERT:
1733                 code = Inset::NOTE_CODE;
1734                 break;
1735         case LFUN_CHARSTYLE_INSERT:
1736                 code = Inset::CHARSTYLE_CODE;
1737                 if (cur.buffer().params().getTextClass().insetlayouts().empty())
1738                         enable = false;
1739                 break;
1740         case LFUN_BOX_INSERT:
1741                 code = Inset::BOX_CODE;
1742                 break;
1743         case LFUN_BRANCH_INSERT:
1744                 code = Inset::BRANCH_CODE;
1745                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1746                         enable = false;
1747                 break;
1748         case LFUN_LABEL_INSERT:
1749                 code = Inset::LABEL_CODE;
1750                 break;
1751         case LFUN_OPTIONAL_INSERT:
1752                 code = Inset::OPTARG_CODE;
1753                 enable = numberOfOptArgs(cur.paragraph())
1754                         < cur.paragraph().layout()->optionalargs;
1755                 break;
1756         case LFUN_ENVIRONMENT_INSERT:
1757                 code = Inset::BOX_CODE;
1758                 break;
1759         case LFUN_INDEX_INSERT:
1760                 code = Inset::INDEX_CODE;
1761                 break;
1762         case LFUN_INDEX_PRINT:
1763                 code = Inset::INDEX_PRINT_CODE;
1764                 break;
1765         case LFUN_NOMENCL_INSERT:
1766                 code = Inset::NOMENCL_CODE;
1767                 break;
1768         case LFUN_NOMENCL_PRINT:
1769                 code = Inset::NOMENCL_PRINT_CODE;
1770                 break;
1771         case LFUN_TOC_INSERT:
1772                 code = Inset::TOC_CODE;
1773                 break;
1774         case LFUN_HTML_INSERT:
1775         case LFUN_URL_INSERT:
1776                 code = Inset::URL_CODE;
1777                 break;
1778         case LFUN_QUOTE_INSERT:
1779                 // always allow this, since we will inset a raw quote
1780                 // if an inset is not allowed.
1781                 break;
1782         case LFUN_HYPHENATION_POINT_INSERT:
1783         case LFUN_LIGATURE_BREAK_INSERT:
1784         case LFUN_HFILL_INSERT:
1785         case LFUN_MENU_SEPARATOR_INSERT:
1786         case LFUN_DOTS_INSERT:
1787         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1788                 code = Inset::SPECIALCHAR_CODE;
1789                 break;
1790         case LFUN_SPACE_INSERT:
1791                 // slight hack: we know this is allowed in math mode
1792                 if (cur.inTexted())
1793                         code = Inset::SPACE_CODE;
1794                 break;
1795
1796         case LFUN_INSET_MODIFY:
1797                 // We need to disable this, because we may get called for a
1798                 // tabular cell via
1799                 // InsetTabular::getStatus() -> InsetText::getStatus()
1800                 // and we don't handle LFUN_INSET_MODIFY.
1801                 enable = false;
1802                 break;
1803
1804         case LFUN_FONT_EMPH:
1805                 flag.setOnOff(font.emph() == Font::ON);
1806                 return true;
1807
1808         case LFUN_FONT_NOUN:
1809                 flag.setOnOff(font.noun() == Font::ON);
1810                 return true;
1811
1812         case LFUN_FONT_BOLD:
1813                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1814                 return true;
1815
1816         case LFUN_FONT_SANS:
1817                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1818                 return true;
1819
1820         case LFUN_FONT_ROMAN:
1821                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1822                 return true;
1823
1824         case LFUN_FONT_CODE:
1825                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1826                 return true;
1827
1828         case LFUN_CUT:
1829         case LFUN_COPY:
1830                 enable = cur.selection();
1831                 break;
1832
1833         case LFUN_PASTE:
1834                 if (cmd.argument().empty()) {
1835                         if (theClipboard().isInternal())
1836                                 enable = cap::numberOfSelections() > 0;
1837                         else
1838                                 enable = !theClipboard().empty();
1839                 } else {
1840                         string const arg = to_utf8(cmd.argument());
1841                         if (isStrUnsignedInt(arg)) {
1842                                 unsigned int n = convert<unsigned int>(arg);
1843                                 enable = cap::numberOfSelections() > n;
1844                         } else
1845                                 // unknown argument
1846                                 enable = false;
1847                 }
1848                 break;
1849
1850         case LFUN_CLIPBOARD_PASTE:
1851                 enable = !theClipboard().empty();
1852                 break;
1853
1854         case LFUN_PRIMARY_SELECTION_PASTE:
1855                 enable = cur.selection() || !theSelection().empty();
1856                 break;
1857
1858         case LFUN_PARAGRAPH_MOVE_UP:
1859                 enable = cur.pit() > 0 && !cur.selection();
1860                 break;
1861
1862         case LFUN_PARAGRAPH_MOVE_DOWN:
1863                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1864                 break;
1865
1866         case LFUN_INSET_DISSOLVE:
1867                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
1868                 break;
1869
1870         case LFUN_CHANGE_ACCEPT:
1871         case LFUN_CHANGE_REJECT:
1872                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1873                 // In principle, these LFUNs should only be enabled if there
1874                 // is a change at the current position/in the current selection.
1875                 // However, without proper optimizations, this will inevitably
1876                 // result in unacceptable performance - just imagine a user who
1877                 // wants to select the complete content of a long document.
1878                 enable = true;
1879                 break;
1880
1881         case LFUN_WORD_DELETE_FORWARD:
1882         case LFUN_WORD_DELETE_BACKWARD:
1883         case LFUN_LINE_DELETE:
1884         case LFUN_WORD_FORWARD:
1885         case LFUN_WORD_BACKWARD:
1886         case LFUN_CHAR_FORWARD:
1887         case LFUN_CHAR_FORWARD_SELECT:
1888         case LFUN_CHAR_BACKWARD:
1889         case LFUN_CHAR_BACKWARD_SELECT:
1890         case LFUN_UP:
1891         case LFUN_UP_SELECT:
1892         case LFUN_DOWN:
1893         case LFUN_DOWN_SELECT:
1894         case LFUN_PARAGRAPH_UP_SELECT:
1895         case LFUN_PARAGRAPH_DOWN_SELECT:
1896         case LFUN_SCREEN_UP_SELECT:
1897         case LFUN_SCREEN_DOWN_SELECT:
1898         case LFUN_LINE_BEGIN_SELECT:
1899         case LFUN_LINE_END_SELECT:
1900         case LFUN_WORD_FORWARD_SELECT:
1901         case LFUN_WORD_BACKWARD_SELECT:
1902         case LFUN_WORD_SELECT:
1903         case LFUN_PARAGRAPH_UP:
1904         case LFUN_PARAGRAPH_DOWN:
1905         case LFUN_SCREEN_UP:
1906         case LFUN_SCREEN_DOWN:
1907         case LFUN_LINE_BEGIN:
1908         case LFUN_LINE_END:
1909         case LFUN_BREAK_LINE:
1910         case LFUN_CHAR_DELETE_FORWARD:
1911         case LFUN_DELETE_FORWARD_SKIP:
1912         case LFUN_CHAR_DELETE_BACKWARD:
1913         case LFUN_DELETE_BACKWARD_SKIP:
1914         case LFUN_BREAK_PARAGRAPH:
1915         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1916         case LFUN_BREAK_PARAGRAPH_SKIP:
1917         case LFUN_PARAGRAPH_SPACING:
1918         case LFUN_INSET_INSERT:
1919         case LFUN_WORD_UPCASE:
1920         case LFUN_WORD_LOWCASE:
1921         case LFUN_WORD_CAPITALIZE:
1922         case LFUN_CHARS_TRANSPOSE:
1923         case LFUN_SERVER_GET_XY:
1924         case LFUN_SERVER_SET_XY:
1925         case LFUN_SERVER_GET_FONT:
1926         case LFUN_SERVER_GET_LAYOUT:
1927         case LFUN_LAYOUT:
1928         case LFUN_DATE_INSERT:
1929         case LFUN_SELF_INSERT:
1930         case LFUN_LINE_INSERT:
1931         case LFUN_PAGEBREAK_INSERT:
1932         case LFUN_CLEARPAGE_INSERT:
1933         case LFUN_CLEARDOUBLEPAGE_INSERT:
1934         case LFUN_MATH_DISPLAY:
1935         case LFUN_MATH_IMPORT_SELECTION:
1936         case LFUN_MATH_MODE:
1937         case LFUN_MATH_MACRO:
1938         case LFUN_MATH_MATRIX:
1939         case LFUN_MATH_DELIM:
1940         case LFUN_MATH_BIGDELIM:
1941         case LFUN_MATH_INSERT:
1942         case LFUN_MATH_SUBSCRIPT:
1943         case LFUN_MATH_SUPERSCRIPT:
1944         case LFUN_FONT_DEFAULT:
1945         case LFUN_FONT_UNDERLINE:
1946         case LFUN_FONT_SIZE:
1947         case LFUN_LANGUAGE:
1948         case LFUN_FONT_FREE_APPLY:
1949         case LFUN_FONT_FREE_UPDATE:
1950         case LFUN_LAYOUT_PARAGRAPH:
1951         case LFUN_PARAGRAPH_UPDATE:
1952         case LFUN_ACCENT_UMLAUT:
1953         case LFUN_ACCENT_CIRCUMFLEX:
1954         case LFUN_ACCENT_GRAVE:
1955         case LFUN_ACCENT_ACUTE:
1956         case LFUN_ACCENT_TILDE:
1957         case LFUN_ACCENT_CEDILLA:
1958         case LFUN_ACCENT_MACRON:
1959         case LFUN_ACCENT_DOT:
1960         case LFUN_ACCENT_UNDERDOT:
1961         case LFUN_ACCENT_UNDERBAR:
1962         case LFUN_ACCENT_CARON:
1963         case LFUN_ACCENT_SPECIAL_CARON:
1964         case LFUN_ACCENT_BREVE:
1965         case LFUN_ACCENT_TIE:
1966         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1967         case LFUN_ACCENT_CIRCLE:
1968         case LFUN_ACCENT_OGONEK:
1969         case LFUN_THESAURUS_ENTRY:
1970         case LFUN_PARAGRAPH_PARAMS_APPLY:
1971         case LFUN_PARAGRAPH_PARAMS:
1972         case LFUN_ESCAPE:
1973         case LFUN_BUFFER_END:
1974         case LFUN_BUFFER_BEGIN:
1975         case LFUN_BUFFER_BEGIN_SELECT:
1976         case LFUN_BUFFER_END_SELECT:
1977         case LFUN_UNICODE_INSERT:
1978                 // these are handled in our dispatch()
1979                 enable = true;
1980                 break;
1981
1982         default:
1983                 return false;
1984         }
1985
1986         if (code != Inset::NO_CODE
1987             && (cur.empty() || !cur.inset().insetAllowed(code)))
1988                 enable = false;
1989
1990         flag.enabled(enable);
1991         return true;
1992 }
1993
1994
1995 void Text::pasteString(Cursor & cur, docstring const & clip,
1996                 bool asParagraphs)
1997 {
1998         cur.clearSelection();
1999         if (!clip.empty()) {
2000                 recordUndo(cur);
2001                 if (asParagraphs)
2002                         insertStringAsParagraphs(cur, clip);
2003                 else
2004                         insertStringAsLines(cur, clip);
2005         }
2006 }
2007
2008 } // namespace lyx