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 "Bidi.h"
  21 #include "BranchList.h"
  22 #include "FloatList.h"
  23 #include "FuncStatus.h"
  24 #include "Buffer.h"
  25 #include "buffer_funcs.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "bufferview_funcs.h"
  29 #include "Cursor.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 "Paragraph.h"
  44 #include "paragraph_funcs.h"
  45 #include "ParagraphParameters.h"
  46 #include "Undo.h"
  47 #include "VSpace.h"
  48 #include "ParIterator.h"
  49
  50 #include "frontends/Clipboard.h"
  51 #include "frontends/Selection.h"
  52
  53 #include "insets/InsetCommand.h"
  54 #include "insets/InsetFloatList.h"
  55 #include "insets/InsetNewline.h"
  56 #include "insets/InsetQuotes.h"
  57 #include "insets/InsetSpecialChar.h"
  58 #include "insets/InsetText.h"
  59
  60 #include "support/lstrings.h"
  61 #include "support/lyxlib.h"
  62 #include "support/convert.h"
  63 #include "support/lyxtime.h"
  64
  65 #include "mathed/InsetMathHull.h"
  66 #include "mathed/MathMacroTemplate.h"
  67
  68 #include <boost/current_function.hpp>
  69
  70 #include <clocale>
  71 #include <sstream>
  72
  73 using std::endl;
  74 using std::string;
  75 using std::istringstream;
  76 using std::ostringstream;
  77
  78 namespace lyx {
  79
  80 using cap::copySelection;
  81 using cap::cutSelection;
  82 using cap::pasteFromStack;
  83 using cap::pasteClipboard;
  84 using cap::replaceSelection;
  85
  86 using support::isStrUnsignedInt;
  87 using support::token;
  88
  89 namespace frontend {
  90 extern docstring current_layout;
  91 }
  92
  93 namespace {
  94
  95         // globals...
  96         Font freefont(Font::ALL_IGNORE);
  97         bool toggleall = false;
  98
  99         void toggleAndShow(Cursor & cur, Text * text,
 100                 Font const & font, bool toggleall = true)
 101         {
 102                 text->toggleFree(cur, font, toggleall);
 103
 104                 if (font.language() != ignore_language ||
 105                                 font.number() != Font::IGNORE) {
 106                         TextMetrics const & tm = cur.bv().textMetrics(text);
 107                         if (cur.boundary() != tm.isRTLBoundary(cur.pit(),
 108                                                 cur.pos(), cur.real_current_font))
 109                                 text->setCursor(cur, cur.pit(), cur.pos(),
 110                                                 false, !cur.boundary());
 111                 }
 112         }
 113
 114
 115         void moveCursor(Cursor & cur, bool selecting)
 116         {
 117                 if (selecting || cur.mark())
 118                         cur.setSelection();
 119         }
 120
 121
 122         void finishChange(Cursor & cur, bool selecting)
 123         {
 124                 finishUndo();
 125                 moveCursor(cur, selecting);
 126         }
 127
 128
 129         void mathDispatch(Cursor & cur, FuncRequest const & cmd, bool display)
 130         {
 131                 recordUndo(cur);
 132                 docstring sel = cur.selectionAsString(false);
 133
 134                 // It may happen that sel is empty but there is a selection
 135                 replaceSelection(cur);
 136
 137                 if (sel.empty()) {
 138 #ifdef ENABLE_ASSERTIONS
 139                         const int old_pos = cur.pos();
 140 #endif
 141                         cur.insert(new InsetMathHull(hullSimple));
 142                         BOOST_ASSERT(old_pos == cur.pos());
 143                         cur.nextInset()->edit(cur, true);
 144                         // don't do that also for LFUN_MATH_MODE
 145                         // unless you want end up with always changing
 146                         // to mathrm when opening an inlined inset --
 147                         // I really hate "LyXfunc overloading"...
 148                         if (display)
 149                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 150                         // Avoid an unnecessary undo step if cmd.argument
 151                         // is empty
 152                         if (!cmd.argument().empty())
 153                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 154                                                          cmd.argument()));
 155                 } else {
 156                         // create a macro if we see "\\newcommand"
 157                         // somewhere, and an ordinary formula
 158                         // otherwise
 159                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 160                             && sel.find(from_ascii("\\def")) == string::npos)
 161                         {
 162                                 InsetMathHull * formula = new InsetMathHull;
 163                                 istringstream is(to_utf8(sel));
 164                                 Lexer lex(0, 0);
 165                                 lex.setStream(is);
 166                                 formula->read(cur.buffer(), lex);
 167                                 if (formula->getType() == hullNone)
 168                                         // Don't create pseudo formulas if
 169                                         // delimiters are left out
 170                                         formula->mutate(hullSimple);
 171                                 cur.insert(formula);
 172                         } else {
 173                                 cur.insert(new MathMacroTemplate(sel));
 174                         }
 175                 }
 176                 cur.message(from_utf8(N_("Math editor mode")));
 177         }
 178
 179 } // namespace anon
 180
 181
 182
 183 namespace bv_funcs {
 184
 185 string const freefont2string()
 186 {
 187         string data;
 188         if (font2string(freefont, toggleall, data))
 189                 return data;
 190         return string();
 191 }
 192
 193 }
 194
 195
 196 namespace {
 197
 198 void specialChar(Cursor & cur, InsetSpecialChar::Kind kind)
 199 {
 200         recordUndo(cur);
 201         cap::replaceSelection(cur);
 202         cur.insert(new InsetSpecialChar(kind));
 203         cur.posRight();
 204 }
 205
 206
 207 bool doInsertInset(Cursor & cur, Text * text,
 208         FuncRequest const & cmd, bool edit, bool pastesel)
 209 {
 210         Inset * inset = createInset(&cur.bv(), cmd);
 211         if (!inset)
 212                 return false;
 213
 214         recordUndo(cur);
 215         bool gotsel = false;
 216         if (cur.selection()) {
 217                 lyx::dispatch(FuncRequest(LFUN_CUT));
 218                 gotsel = true;
 219         }
 220         text->insertInset(cur, inset);
 221
 222         if (edit)
 223                 inset->edit(cur, true);
 224
 225         if (gotsel && pastesel) {
 226                 lyx::dispatch(FuncRequest(LFUN_PASTE, "0"));
 227                 // reset first par to default
 228                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 229                         LayoutPtr const layout =
 230                                 cur.buffer().params().getTextClass().defaultLayout();
 231                         cur.text()->paragraphs().begin()->layout(layout);
 232                 }
 233         }
 234         return true;
 235 }
 236
 237
 238 } // anon namespace
 239
 240
 241 void Text::number(Cursor & cur)
 242 {
 243         Font font(Font::ALL_IGNORE);
 244         font.setNumber(Font::TOGGLE);
 245         toggleAndShow(cur, this, font);
 246 }
 247
 248
 249 bool Text::isRTL(Buffer const & buffer, Paragraph const & par) const
 250 {
 251         return par.isRTL(buffer.params());
 252 }
 253
 254
 255 void Text::dispatch(Cursor & cur, FuncRequest & cmd)
 256 {
 257         LYXERR(Debug::ACTION) << "Text::dispatch: cmd: " << cmd << endl;
 258
 259         // FIXME: We use the update flag to indicates wether a singlePar or a
 260         // full screen update is needed. We reset it here but shall we restore it
 261         // at the end?
 262         cur.noUpdate();
 263
 264         BOOST_ASSERT(cur.text() == this);
 265         BufferView * bv = &cur.bv();
 266         TextMetrics & tm = cur.bv().textMetrics(this);
 267         CursorSlice oldTopSlice = cur.top();
 268         bool oldBoundary = cur.boundary();
 269         bool sel = cur.selection();
 270         // Signals that, even if needsUpdate == false, an update of the
 271         // cursor paragraph is required
 272         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 273                 LyXAction::SingleParUpdate);
 274         // Signals that a full-screen update is required
 275         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 276                 LyXAction::NoUpdate) || singleParUpdate);
 277         // Remember the old paragraph metric (_outer_ paragraph!)
 278         ParagraphMetrics const & pm = cur.bv().parMetrics(
 279                 cur.bottom().text(), cur.bottom().pit());
 280         Dimension olddim = pm.dim();
 281
 282         switch (cmd.action) {
 283
 284         case LFUN_PARAGRAPH_MOVE_DOWN: {
 285                 pit_type const pit = cur.pit();
 286                 recUndo(cur, pit, pit + 1);
 287                 finishUndo();
 288                 std::swap(pars_[pit], pars_[pit + 1]);
 289                 updateLabels(cur.buffer());
 290                 needsUpdate = true;
 291                 ++cur.pit();
 292                 break;
 293         }
 294
 295         case LFUN_PARAGRAPH_MOVE_UP: {
 296                 pit_type const pit = cur.pit();
 297                 recUndo(cur, pit - 1, pit);
 298                 finishUndo();
 299                 std::swap(pars_[pit], pars_[pit - 1]);
 300                 updateLabels(cur.buffer());
 301                 --cur.pit();
 302                 needsUpdate = true;
 303                 break;
 304         }
 305
 306         case LFUN_APPENDIX: {
 307                 Paragraph & par = cur.paragraph();
 308                 bool start = !par.params().startOfAppendix();
 309
 310 // FIXME: The code below only makes sense at top level.
 311 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 312                 // ensure that we have only one start_of_appendix in this document
 313                 // FIXME: this don't work for multipart document!
 314                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 315                         if (pars_[tmp].params().startOfAppendix()) {
 316                                 recUndo(cur, tmp);
 317                                 pars_[tmp].params().startOfAppendix(false);
 318                                 break;
 319                         }
 320                 }
 321
 322                 recordUndo(cur);
 323                 par.params().startOfAppendix(start);
 324
 325                 // we can set the refreshing parameters now
 326                 updateLabels(cur.buffer());
 327                 break;
 328         }
 329
 330         case LFUN_WORD_DELETE_FORWARD:
 331                 if (cur.selection()) {
 332                         cutSelection(cur, true, false);
 333                 } else
 334                         deleteWordForward(cur);
 335                 finishChange(cur, false);
 336                 break;
 337
 338         case LFUN_WORD_DELETE_BACKWARD:
 339                 if (cur.selection()) {
 340                         cutSelection(cur, true, false);
 341                 } else
 342                         deleteWordBackward(cur);
 343                 finishChange(cur, false);
 344                 break;
 345
 346         case LFUN_LINE_DELETE:
 347                 if (cur.selection()) {
 348                         cutSelection(cur, true, false);
 349                 } else
 350                         tm.deleteLineForward(cur);
 351                 finishChange(cur, false);
 352                 break;
 353
 354         case LFUN_BUFFER_BEGIN:
 355         case LFUN_BUFFER_BEGIN_SELECT:
 356                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 357                 if (cur.depth() == 1) {
 358                         needsUpdate |= cursorTop(cur);
 359                 } else {
 360                         cur.undispatched();
 361                 }
 362                 break;
 363
 364         case LFUN_BUFFER_END:
 365         case LFUN_BUFFER_END_SELECT:
 366                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 367                 if (cur.depth() == 1) {
 368                         needsUpdate |= cursorBottom(cur);
 369                 } else {
 370                         cur.undispatched();
 371                 }
 372                 break;
 373
 374         case LFUN_CHAR_FORWARD:
 375         case LFUN_CHAR_FORWARD_SELECT:
 376                 //lyxerr << BOOST_CURRENT_FUNCTION
 377                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 378                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 379                 if (reverseDirectionNeeded(cur))
 380                         needsUpdate |= cursorLeft(cur);
 381                 else
 382                         needsUpdate |= cursorRight(cur);
 383
 384                 if (!needsUpdate && oldTopSlice == cur.top()
 385                                 && cur.boundary() == oldBoundary) {
 386                         cur.undispatched();
 387                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 388                 }
 389                 break;
 390
 391         case LFUN_CHAR_BACKWARD:
 392         case LFUN_CHAR_BACKWARD_SELECT:
 393                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 394                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 395                 if (reverseDirectionNeeded(cur))
 396                         needsUpdate |= cursorRight(cur);
 397                 else
 398                         needsUpdate |= cursorLeft(cur);
 399
 400                 if (!needsUpdate && oldTopSlice == cur.top()
 401                         && cur.boundary() == oldBoundary) {
 402                         cur.undispatched();
 403                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 404                 }
 405                 break;
 406
 407         case LFUN_UP_SELECT:
 408         case LFUN_DOWN_SELECT:
 409         case LFUN_UP:
 410         case LFUN_DOWN: {
 411                 // stop/start the selection
 412                 bool select = cmd.action == LFUN_DOWN_SELECT ||
 413                         cmd.action == LFUN_UP_SELECT;
 414                 cur.selHandle(select);
 415
 416                 // move cursor up/down
 417                 bool up = cmd.action == LFUN_UP_SELECT || cmd.action == LFUN_UP;
 418                 bool const successful = cur.upDownInText(up, needsUpdate);
 419                 if (successful) {
 420                         // notify insets which were left and get their update flags
 421                         notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
 422                         cur.fixIfBroken();
 423
 424                         // redraw if you leave mathed (for the decorations)
 425                         needsUpdate |= cur.beforeDispatchCursor().inMathed();
 426                 } else
 427                         cur.undispatched();
 428
 429                 break;
 430         }
 431
 432         case LFUN_PARAGRAPH_UP:
 433         case LFUN_PARAGRAPH_UP_SELECT:
 434                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 435                 needsUpdate |= cursorUpParagraph(cur);
 436                 break;
 437
 438         case LFUN_PARAGRAPH_DOWN:
 439         case LFUN_PARAGRAPH_DOWN_SELECT:
 440                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 441                 needsUpdate |= cursorDownParagraph(cur);
 442                 break;
 443
 444         case LFUN_SCREEN_UP_SELECT:
 445                 needsUpdate |= cur.selHandle(true);
 446                 if (cur.pit() == 0 && cur.textRow().pos() == 0)
 447                         cur.undispatched();
 448                 else {
 449                         tm.cursorPrevious(cur);
 450                 }
 451                 break;
 452
 453         case LFUN_SCREEN_DOWN_SELECT:
 454                 needsUpdate |= cur.selHandle(true);
 455                 if (cur.pit() == cur.lastpit()
 456                           && cur.textRow().endpos() == cur.lastpos())
 457                         cur.undispatched();
 458                 else {
 459                         tm.cursorNext(cur);
 460                 }
 461                 break;
 462
 463         case LFUN_LINE_BEGIN:
 464         case LFUN_LINE_BEGIN_SELECT:
 465                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 466                 needsUpdate |= tm.cursorHome(cur);
 467                 break;
 468
 469         case LFUN_LINE_END:
 470         case LFUN_LINE_END_SELECT:
 471                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 472                 needsUpdate |= tm.cursorEnd(cur);
 473                 break;
 474
 475         case LFUN_WORD_FORWARD:
 476         case LFUN_WORD_FORWARD_SELECT:
 477                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 478                 if (reverseDirectionNeeded(cur))
 479                         needsUpdate |= cursorLeftOneWord(cur);
 480                 else
 481                         needsUpdate |= cursorRightOneWord(cur);
 482                 break;
 483
 484         case LFUN_WORD_BACKWARD:
 485         case LFUN_WORD_BACKWARD_SELECT:
 486                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 487                 if (reverseDirectionNeeded(cur))
 488                         needsUpdate |= cursorRightOneWord(cur);
 489                 else
 490                         needsUpdate |= cursorLeftOneWord(cur);
 491                 break;
 492
 493         case LFUN_WORD_SELECT: {
 494                 selectWord(cur, WHOLE_WORD);
 495                 finishChange(cur, true);
 496                 break;
 497         }
 498
 499         case LFUN_BREAK_LINE: {
 500                 // Not allowed by LaTeX (labels or empty par)
 501                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 502                         // this avoids a double undo
 503                         // FIXME: should not be needed, ideally
 504                         if (!cur.selection())
 505                                 recordUndo(cur);
 506                         cap::replaceSelection(cur);
 507                         cur.insert(new InsetNewline);
 508                         cur.posRight();
 509                         moveCursor(cur, false);
 510                 }
 511                 break;
 512         }
 513
 514         case LFUN_CHAR_DELETE_FORWARD:
 515                 if (!cur.selection()) {
 516                         if (cur.pos() == cur.paragraph().size())
 517                                 // Par boundary, force full-screen update
 518                                 singleParUpdate = false;
 519                         needsUpdate |= erase(cur);
 520                         cur.resetAnchor();
 521                         // It is possible to make it a lot faster still
 522                         // just comment out the line below...
 523                 } else {
 524                         cutSelection(cur, true, false);
 525                         singleParUpdate = false;
 526                 }
 527                 moveCursor(cur, false);
 528                 break;
 529
 530         case LFUN_DELETE_FORWARD_SKIP:
 531                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 532                 if (!cur.selection()) {
 533                         if (cur.pos() == cur.lastpos()) {
 534                                 cursorRight(cur);
 535                                 cursorLeft(cur);
 536                         }
 537                         erase(cur);
 538                         cur.resetAnchor();
 539                 } else {
 540                         cutSelection(cur, true, false);
 541                 }
 542                 break;
 543
 544
 545         case LFUN_CHAR_DELETE_BACKWARD:
 546                 if (!cur.selection()) {
 547                         if (bv->getIntl().getTransManager().backspace()) {
 548                                 // Par boundary, full-screen update
 549                                 if (cur.pos() == 0)
 550                                         singleParUpdate = false;
 551                                 needsUpdate |= backspace(cur);
 552                                 cur.resetAnchor();
 553                                 // It is possible to make it a lot faster still
 554                                 // just comment out the line below...
 555                         }
 556                 } else {
 557                         cutSelection(cur, true, false);
 558                         singleParUpdate = false;
 559                 }
 560                 break;
 561
 562         case LFUN_DELETE_BACKWARD_SKIP:
 563                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 564                 if (!cur.selection()) {
 565                         // FIXME: look here
 566                         //CursorSlice cur = cursor();
 567                         backspace(cur);
 568                         //anchor() = cur;
 569                 } else {
 570                         cutSelection(cur, true, false);
 571                 }
 572                 break;
 573
 574         case LFUN_BREAK_PARAGRAPH:
 575                 cap::replaceSelection(cur);
 576                 breakParagraph(cur, false);
 577                 cur.resetAnchor();
 578                 break;
 579
 580         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 581                 cap::replaceSelection(cur);
 582                 breakParagraph(cur, true);
 583                 cur.resetAnchor();
 584                 break;
 585
 586         case LFUN_BREAK_PARAGRAPH_SKIP: {
 587                 // When at the beginning of a paragraph, remove
 588                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 589                 cap::replaceSelection(cur);
 590                 if (cur.pos() == 0)
 591                         cur.paragraph().params().labelWidthString(docstring());
 592                 else
 593                         breakParagraph(cur, false);
 594                 cur.resetAnchor();
 595                 break;
 596         }
 597
 598         // TODO
 599         // With the creation of LFUN_PARAGRAPH_PARAMS, this is now redundant,
 600         // as its duties can be performed there. Should it be removed??
 601         // FIXME For now, it can just dispatch LFUN_PARAGRAPH_PARAMS...
 602         case LFUN_PARAGRAPH_SPACING: {
 603                 Paragraph & par = cur.paragraph();
 604                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 605                 string cur_value = "1.0";
 606                 if (cur_spacing == Spacing::Other)
 607                         cur_value = par.params().spacing().getValueAsString();
 608
 609                 istringstream is(to_utf8(cmd.argument()));
 610                 string tmp;
 611                 is >> tmp;
 612                 Spacing::Space new_spacing = cur_spacing;
 613                 string new_value = cur_value;
 614                 if (tmp.empty()) {
 615                         lyxerr << "Missing argument to `paragraph-spacing'"
 616                                << endl;
 617                 } else if (tmp == "single") {
 618                         new_spacing = Spacing::Single;
 619                 } else if (tmp == "onehalf") {
 620                         new_spacing = Spacing::Onehalf;
 621                 } else if (tmp == "double") {
 622                         new_spacing = Spacing::Double;
 623                 } else if (tmp == "other") {
 624                         new_spacing = Spacing::Other;
 625                         string tmpval = "0.0";
 626                         is >> tmpval;
 627                         lyxerr << "new_value = " << tmpval << endl;
 628                         if (tmpval != "0.0")
 629                                 new_value = tmpval;
 630                 } else if (tmp == "default") {
 631                         new_spacing = Spacing::Default;
 632                 } else {
 633                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 634                                << to_utf8(cmd.argument()) << endl;
 635                 }
 636                 if (cur_spacing != new_spacing || cur_value != new_value)
 637                         par.params().spacing(Spacing(new_spacing, new_value));
 638                 break;
 639         }
 640
 641         case LFUN_INSET_INSERT: {
 642                 recordUndo(cur);
 643                 Inset * inset = createInset(bv, cmd);
 644                 if (inset) {
 645                         // FIXME (Abdel 01/02/2006):
 646                         // What follows would be a partial fix for bug 2154:
 647                         //   http://bugzilla.lyx.org/show_bug.cgi?id=2154
 648                         // This automatically put the label inset _after_ a
 649                         // numbered section. It should be possible to extend the mechanism
 650                         // to any kind of LateX environement.
 651                         // The correct way to fix that bug would be at LateX generation.
 652                         // I'll let the code here for reference as it could be used for some
 653                         // other feature like "automatic labelling".
 654                         /*
 655                         Paragraph & par = pars_[cur.pit()];
 656                         if (inset->lyxCode() == Inset::LABEL_CODE
 657                                 && par.layout()->labeltype == LABEL_COUNTER) {
 658                                 // Go to the end of the paragraph
 659                                 // Warning: Because of Change-Tracking, the last
 660                                 // position is 'size()' and not 'size()-1':
 661                                 cur.pos() = par.size();
 662                                 // Insert a new paragraph
 663                                 FuncRequest fr(LFUN_BREAK_PARAGRAPH);
 664                                 dispatch(cur, fr);
 665                         }
 666                         */
 667                         if (cur.selection())
 668                                 cutSelection(cur, true, false);
 669                         insertInset(cur, inset);
 670                         cur.posRight();
 671                 }
 672                 break;
 673         }
 674
 675         case LFUN_INSET_DISSOLVE:
 676                 needsUpdate |= dissolveInset(cur);
 677                 break;
 678
 679         case LFUN_INSET_SETTINGS:
 680                 cur.inset().showInsetDialog(bv);
 681                 break;
 682
 683         case LFUN_SPACE_INSERT:
 684                 if (cur.paragraph().layout()->free_spacing)
 685                         insertChar(cur, ' ');
 686                 else {
 687                         doInsertInset(cur, this, cmd, false, false);
 688                         cur.posRight();
 689                 }
 690                 moveCursor(cur, false);
 691                 break;
 692
 693         case LFUN_HYPHENATION_POINT_INSERT:
 694                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 695                 break;
 696
 697         case LFUN_LIGATURE_BREAK_INSERT:
 698                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 699                 break;
 700
 701         case LFUN_DOTS_INSERT:
 702                 specialChar(cur, InsetSpecialChar::LDOTS);
 703                 break;
 704
 705         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 706                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 707                 break;
 708
 709         case LFUN_MENU_SEPARATOR_INSERT:
 710                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 711                 break;
 712
 713         case LFUN_WORD_UPCASE:
 714                 changeCase(cur, Text::text_uppercase);
 715                 break;
 716
 717         case LFUN_WORD_LOWCASE:
 718                 changeCase(cur, Text::text_lowercase);
 719                 break;
 720
 721         case LFUN_WORD_CAPITALIZE:
 722                 changeCase(cur, Text::text_capitalization);
 723                 break;
 724
 725         case LFUN_CHARS_TRANSPOSE:
 726                 charsTranspose(cur);
 727                 break;
 728
 729         case LFUN_PASTE:
 730                 cur.message(_("Paste"));
 731                 cap::replaceSelection(cur);
 732                 if (cmd.argument().empty() && !theClipboard().isInternal())
 733                         pasteClipboard(cur, bv->buffer().errorList("Paste"));
 734                 else {
 735                         string const arg(to_utf8(cmd.argument()));
 736                         pasteFromStack(cur, bv->buffer().errorList("Paste"),
 737                                         isStrUnsignedInt(arg) ?
 738                                                 convert<unsigned int>(arg) :
 739                                                 0);
 740                 }
 741                 bv->buffer().errors("Paste");
 742                 cur.clearSelection(); // bug 393
 743                 finishUndo();
 744                 break;
 745
 746         case LFUN_CUT:
 747                 cutSelection(cur, true, true);
 748                 cur.message(_("Cut"));
 749                 break;
 750
 751         case LFUN_COPY:
 752                 copySelection(cur);
 753                 cur.message(_("Copy"));
 754                 break;
 755
 756         case LFUN_SERVER_GET_XY:
 757                 cur.message(from_utf8(
 758                         convert<string>(tm.cursorX(cur.top(), cur.boundary()))
 759                         + ' ' + convert<string>(tm.cursorY(cur.top(), cur.boundary()))));
 760                 break;
 761
 762         case LFUN_SERVER_SET_XY: {
 763                 int x = 0;
 764                 int y = 0;
 765                 istringstream is(to_utf8(cmd.argument()));
 766                 is >> x >> y;
 767                 if (!is)
 768                         lyxerr << "SETXY: Could not parse coordinates in '"
 769                                << to_utf8(cmd.argument()) << std::endl;
 770                 else
 771                         tm.setCursorFromCoordinates(cur, x, y);
 772                 break;
 773         }
 774
 775         case LFUN_SERVER_GET_FONT:
 776                 if (cur.current_font.shape() == Font::ITALIC_SHAPE)
 777                         cur.message(from_ascii("E"));
 778                 else if (cur.current_font.shape() == Font::SMALLCAPS_SHAPE)
 779                         cur.message(from_ascii("N"));
 780                 else
 781                         cur.message(from_ascii("0"));
 782                 break;
 783
 784         case LFUN_SERVER_GET_LAYOUT:
 785                 cur.message(cur.paragraph().layout()->name());
 786                 break;
 787
 788         case LFUN_LAYOUT: {
 789                 docstring layout = cmd.argument();
 790                 LYXERR(Debug::INFO) << "LFUN_LAYOUT: (arg) " << to_utf8(layout) << endl;
 791
 792                 // Derive layout number from given argument (string)
 793                 // and current buffer's textclass (number)
 794                 TextClass const & tclass = bv->buffer().params().getTextClass();
 795                 if (layout.empty())
 796                         layout = tclass.defaultLayoutName();
 797                 bool hasLayout = tclass.hasLayout(layout);
 798
 799                 // If the entry is obsolete, use the new one instead.
 800                 if (hasLayout) {
 801                         docstring const & obs = tclass[layout]->obsoleted_by();
 802                         if (!obs.empty())
 803                                 layout = obs;
 804                 }
 805
 806                 if (!hasLayout) {
 807                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 808                                 from_utf8(N_(" not known")));
 809                         break;
 810                 }
 811
 812                 bool change_layout = (frontend::current_layout != layout);
 813
 814                 if (!change_layout && cur.selection() &&
 815                         cur.selBegin().pit() != cur.selEnd().pit())
 816                 {
 817                         pit_type spit = cur.selBegin().pit();
 818                         pit_type epit = cur.selEnd().pit() + 1;
 819                         while (spit != epit) {
 820                                 if (pars_[spit].layout()->name() != frontend::current_layout) {
 821                                         change_layout = true;
 822                                         break;
 823                                 }
 824                                 ++spit;
 825                         }
 826                 }
 827
 828                 if (change_layout) {
 829                         setLayout(cur, layout);
 830                         // inform the GUI that the layout has changed.
 831                         bv->layoutChanged(layout);
 832                 }
 833                 break;
 834         }
 835
 836         case LFUN_CLIPBOARD_PASTE:
 837                 cur.clearSelection();
 838                 pasteClipboard(cur, bv->buffer().errorList("Paste"),
 839                                cmd.argument() == "paragraph");
 840                 bv->buffer().errors("Paste");
 841                 break;
 842
 843         case LFUN_PRIMARY_SELECTION_PASTE:
 844                 pasteString(cur, theSelection().get(),
 845                             cmd.argument() == "paragraph");
 846                 break;
 847
 848         case LFUN_UNICODE_INSERT: {
 849                 if (cmd.argument().empty())
 850                         break;
 851                 docstring hexstring = cmd.argument();
 852                 if (lyx::support::isHex(hexstring)) {
 853                         char_type c = lyx::support::hexToInt(hexstring);
 854                         if (c >= 32 && c < 0x10ffff) {
 855                                 lyxerr << "Inserting c: " << c << endl;
 856                                 docstring s = docstring(1, c);
 857                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 858                         }
 859                 }
 860                 break;
 861         }
 862
 863         case LFUN_QUOTE_INSERT: {
 864                 Paragraph & par = cur.paragraph();
 865                 pos_type pos = cur.pos();
 866                 BufferParams const & bufparams = bv->buffer().params();
 867                 LayoutPtr const & style = par.layout();
 868                 if (!style->pass_thru
 869                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 870                         // this avoids a double undo
 871                         // FIXME: should not be needed, ideally
 872                         if (!cur.selection())
 873                                 recordUndo(cur);
 874                         cap::replaceSelection(cur);
 875                         pos = cur.pos();
 876                         char_type c;
 877                         if (pos == 0)
 878                                 c = ' ';
 879                         else if (cur.prevInset() && cur.prevInset()->isSpace())
 880                                 c = ' ';
 881                         else
 882                                 c = par.getChar(pos - 1);
 883                         string arg = to_utf8(cmd.argument());
 884                         if (arg == "single")
 885                                 cur.insert(new InsetQuotes(c,
 886                                     bufparams.quotes_language,
 887                                     InsetQuotes::SingleQ));
 888                         else
 889                                 cur.insert(new InsetQuotes(c,
 890                                     bufparams.quotes_language,
 891                                     InsetQuotes::DoubleQ));
 892                         cur.posRight();
 893                 }
 894                 else
 895                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 896                 break;
 897         }
 898
 899         case LFUN_DATE_INSERT: {
 900                 string const format = cmd.argument().empty()
 901                         ? lyxrc.date_insert_format : to_utf8(cmd.argument());
 902                 string const time = formatted_time(current_time(), format);
 903                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, time));
 904                 break;
 905         }
 906
 907         case LFUN_MOUSE_TRIPLE:
 908                 if (cmd.button() == mouse_button::button1) {
 909                         tm.cursorHome(cur);
 910                         cur.resetAnchor();
 911                         tm.cursorEnd(cur);
 912                         cur.setSelection();
 913                         bv->cursor() = cur;
 914                 }
 915                 break;
 916
 917         case LFUN_MOUSE_DOUBLE:
 918                 if (cmd.button() == mouse_button::button1) {
 919                         selectWord(cur, WHOLE_WORD_STRICT);
 920                         bv->cursor() = cur;
 921                 }
 922                 break;
 923
 924         // Single-click on work area
 925         case LFUN_MOUSE_PRESS: {
 926                 // Right click on a footnote flag opens float menu
 927                 if (cmd.button() == mouse_button::button3)
 928                         cur.clearSelection();
 929
 930                 // Set the cursor
 931                 bool update = bv->mouseSetCursor(cur);
 932
 933                 // Insert primary selection with middle mouse
 934                 // if there is a local selection in the current buffer,
 935                 // insert this
 936                 if (cmd.button() == mouse_button::button2) {
 937                         if (cap::selection()) {
 938                                 // Copy the selection buffer to the clipboard
 939                                 // stack, because we want it to appear in the
 940                                 // "Edit->Paste recent" menu.
 941                                 cap::copySelectionToStack();
 942
 943                                 cap::pasteSelection(bv->cursor(),
 944                                                     bv->buffer().errorList("Paste"));
 945                                 bv->buffer().errors("Paste");
 946                                 bv->buffer().markDirty();
 947                                 finishUndo();
 948                         } else {
 949                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 950                         }
 951                 }
 952
 953                 // we have to update after dEPM triggered
 954                 if (!update && cmd.button() == mouse_button::button1) {
 955                         needsUpdate = false;
 956                         cur.noUpdate();
 957                 }
 958
 959                 break;
 960         }
 961
 962         case LFUN_MOUSE_MOTION: {
 963                 // Only use motion with button 1
 964                 //if (cmd.button() != mouse_button::button1)
 965                 //      return false;
 966
 967                 // ignore motions deeper nested than the real anchor
 968                 Cursor & bvcur = cur.bv().cursor();
 969                 if (bvcur.anchor_.hasPart(cur)) {
 970                         CursorSlice old = bvcur.top();
 971
 972                         int const wh = bv->workHeight();
 973                         int const y = std::max(0, std::min(wh - 1, cmd.y));
 974
 975                         tm.setCursorFromCoordinates(cur, cmd.x, y);
 976                         cur.setTargetX(cmd.x);
 977                         if (cmd.y >= wh)
 978                                 lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 979                         else if (cmd.y < 0)
 980                                 lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 981                         // This is to allow jumping over large insets
 982                         if (cur.top() == old) {
 983                                 if (cmd.y >= wh)
 984                                         lyx::dispatch(FuncRequest(LFUN_DOWN_SELECT));
 985                                 else if (cmd.y < 0)
 986                                         lyx::dispatch(FuncRequest(LFUN_UP_SELECT));
 987                         }
 988
 989                         if (cur.top() == old)
 990                                 cur.noUpdate();
 991                         else {
 992                                 // don't set anchor_
 993                                 bvcur.setCursor(cur);
 994                                 bvcur.selection() = true;
 995                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
 996                         }
 997
 998                 } else
 999                         cur.undispatched();
1000                 break;
1001         }
1002
1003         case LFUN_MOUSE_RELEASE: {
1004                 if (cmd.button() == mouse_button::button2)
1005                         break;
1006
1007                 if (cmd.button() == mouse_button::button1) {
1008                         // if there is new selection, update persistent
1009                         // selection, otherwise, single click does not
1010                         // clear persistent selection buffer
1011                         if (cur.selection()) {
1012                                 // finish selection
1013                                 // if double click, cur is moved to the end of word by selectWord
1014                                 // but bvcur is current mouse position
1015                                 Cursor & bvcur = cur.bv().cursor();
1016                                 bvcur.selection() = true;
1017                         }
1018                         needsUpdate = false;
1019                         cur.noUpdate();
1020                 }
1021
1022                 break;
1023         }
1024
1025         case LFUN_SELF_INSERT: {
1026                 if (cmd.argument().empty())
1027                         break;
1028
1029                 // Automatically delete the currently selected
1030                 // text and replace it with what is being
1031                 // typed in now. Depends on lyxrc settings
1032                 // "auto_region_delete", which defaults to
1033                 // true (on).
1034
1035                 if (lyxrc.auto_region_delete && cur.selection()) {
1036                         cutSelection(cur, false, false);
1037                         // When change tracking is set to off, the metrics update
1038                         // mechanism correctly detects if a full update is needed or not.
1039                         // This detection fails when a selection spans multiple rows and
1040                         // change tracking is enabled because the paragraph metrics stays
1041                         // the same. In this case, we force the full update:
1042                         // (see http://bugzilla.lyx.org/show_bug.cgi?id=3992)
1043                         if (cur.buffer().params().trackChanges)
1044                                 cur.updateFlags(Update::Force);
1045                 }
1046
1047                 cur.clearSelection();
1048                 Font const old_font = cur.real_current_font;
1049
1050                 docstring::const_iterator cit = cmd.argument().begin();
1051                 docstring::const_iterator end = cmd.argument().end();
1052                 for (; cit != end; ++cit)
1053                         bv->translateAndInsert(*cit, this, cur);
1054
1055                 cur.resetAnchor();
1056                 moveCursor(cur, false);
1057                 break;
1058         }
1059
1060         case LFUN_URL_INSERT: {
1061                 InsetCommandParams p("url");
1062                 docstring content;
1063                 if (cur.selection()) {
1064                         content = cur.selectionAsString(false);
1065                         cutSelection(cur, true, false);
1066                 }
1067                 p["target"] = (cmd.argument().empty()) ?
1068                         content : cmd.argument();
1069                 string const data = InsetCommandMailer::params2string("url", p);
1070                 if (p["target"].empty()) {
1071                         bv->showInsetDialog("url", data, 0);
1072                 } else {
1073                         FuncRequest fr(LFUN_INSET_INSERT, data);
1074                         dispatch(cur, fr);
1075                 }
1076                 break;
1077         }
1078
1079         case LFUN_HTML_INSERT: {
1080                 InsetCommandParams p("htmlurl");
1081                 docstring content;
1082                 if (cur.selection()) {
1083                         content = cur.selectionAsString(false);
1084                         cutSelection(cur, true, false);
1085                 }
1086                 p["target"] = (cmd.argument().empty()) ?
1087                         content : cmd.argument();
1088                 string const data = InsetCommandMailer::params2string("url", p);
1089                 if (p["target"].empty()) {
1090                         bv->showInsetDialog("url", data, 0);
1091                 } else {
1092                         FuncRequest fr(LFUN_INSET_INSERT, data);
1093                         dispatch(cur, fr);
1094                 }
1095                 break;
1096         }
1097
1098         case LFUN_LABEL_INSERT: {
1099                 InsetCommandParams p("label");
1100                 // Try to generate a valid label
1101                 p["name"] = (cmd.argument().empty()) ?
1102                         cur.getPossibleLabel() :
1103                         cmd.argument();
1104                 string const data = InsetCommandMailer::params2string("label", p);
1105
1106                 if (cmd.argument().empty()) {
1107                         bv->showInsetDialog("label", data, 0);
1108                 } else {
1109                         FuncRequest fr(LFUN_INSET_INSERT, data);
1110                         dispatch(cur, fr);
1111                 }
1112                 break;
1113         }
1114
1115
1116 #if 0
1117         case LFUN_LIST_INSERT:
1118         case LFUN_THEOREM_INSERT:
1119 #endif
1120         case LFUN_CAPTION_INSERT:
1121                 // Open the inset, and move the current selection
1122                 // inside it.
1123                 doInsertInset(cur, this, cmd, true, true);
1124                 cur.posRight();
1125                 updateLabels(bv->buffer());
1126                 break;
1127         case LFUN_NOTE_INSERT:
1128         case LFUN_FLEX_INSERT:
1129         case LFUN_BOX_INSERT:
1130         case LFUN_BRANCH_INSERT:
1131         case LFUN_BIBITEM_INSERT:
1132         case LFUN_ERT_INSERT:
1133         case LFUN_LISTING_INSERT:
1134         case LFUN_FOOTNOTE_INSERT:
1135         case LFUN_MARGINALNOTE_INSERT:
1136         case LFUN_OPTIONAL_INSERT:
1137         case LFUN_ENVIRONMENT_INSERT:
1138                 // Open the inset, and move the current selection
1139                 // inside it.
1140                 doInsertInset(cur, this, cmd, true, true);
1141                 cur.posRight();
1142                 break;
1143
1144         case LFUN_TABULAR_INSERT:
1145                 // if there were no arguments, just open the dialog
1146                 if (doInsertInset(cur, this, cmd, false, true))
1147                         cur.posRight();
1148                 else
1149                         bv->showDialog("tabularcreate");
1150
1151                 break;
1152
1153         case LFUN_FLOAT_INSERT:
1154         case LFUN_FLOAT_WIDE_INSERT:
1155         case LFUN_WRAP_INSERT: {
1156                 bool content = cur.selection();  // will some text be moved into the inset?
1157
1158                 doInsertInset(cur, this, cmd, true, true);
1159                 cur.posRight();
1160                 ParagraphList & pars = cur.text()->paragraphs();
1161
1162                 TextClass const & tclass = bv->buffer().params().getTextClass();
1163
1164                 // add a separate paragraph for the caption inset
1165                 pars.push_back(Paragraph());
1166                 pars.back().setInsetOwner(pars[0].inInset());
1167                 pars.back().layout(tclass.defaultLayout());
1168
1169                 int cap_pit = pars.size() - 1;
1170
1171                 // if an empty inset was created, we create an additional empty
1172                 // paragraph at the bottom so that the user can choose where to put
1173                 // the graphics (or table).
1174                 if (!content) {
1175                         pars.push_back(Paragraph());
1176                         pars.back().setInsetOwner(pars[0].inInset());
1177                         pars.back().layout(tclass.defaultLayout());
1178
1179                 }
1180
1181                 // reposition the cursor to the caption
1182                 cur.pit() = cap_pit;
1183                 cur.pos() = 0;
1184                 // FIXME: This Text/Cursor dispatch handling is a mess!
1185                 // We cannot use Cursor::dispatch here it needs access to up to
1186                 // date metrics.
1187                 FuncRequest cmd_caption(LFUN_CAPTION_INSERT);
1188                 cur.text()->dispatch(cur, cmd_caption);
1189                 cur.updateFlags(Update::Force);
1190                 // FIXME: When leaving the Float (or Wrap) inset we should
1191                 // delete any empty paragraph left above or below the
1192                 // caption.
1193                 break;
1194         }
1195
1196         case LFUN_INDEX_INSERT:
1197         case LFUN_NOMENCL_INSERT: {
1198                 Inset * inset = createInset(&cur.bv(), cmd);
1199                 if (!inset)
1200                         break;
1201                 recordUndo(cur);
1202                 cur.clearSelection();
1203                 insertInset(cur, inset);
1204                 // Show the dialog for the nomenclature entry, since the
1205                 // description entry still needs to be filled in.
1206                 if (cmd.action == LFUN_NOMENCL_INSERT)
1207                         inset->edit(cur, true);
1208                 cur.posRight();
1209                 break;
1210         }
1211
1212         case LFUN_INDEX_PRINT:
1213         case LFUN_NOMENCL_PRINT:
1214         case LFUN_TOC_INSERT:
1215         case LFUN_HFILL_INSERT:
1216         case LFUN_LINE_INSERT:
1217         case LFUN_PAGEBREAK_INSERT:
1218         case LFUN_CLEARPAGE_INSERT:
1219         case LFUN_CLEARDOUBLEPAGE_INSERT:
1220                 // do nothing fancy
1221                 doInsertInset(cur, this, cmd, false, false);
1222                 cur.posRight();
1223                 break;
1224
1225         case LFUN_DEPTH_DECREMENT:
1226                 changeDepth(cur, DEC_DEPTH);
1227                 break;
1228
1229         case LFUN_DEPTH_INCREMENT:
1230                 changeDepth(cur, INC_DEPTH);
1231                 break;
1232
1233         case LFUN_MATH_DISPLAY:
1234                 mathDispatch(cur, cmd, true);
1235                 break;
1236
1237         case LFUN_MATH_IMPORT_SELECTION:
1238         case LFUN_MATH_MODE:
1239                 if (cmd.argument() == "on")
1240                         // don't pass "on" as argument
1241                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1242                 else
1243                         mathDispatch(cur, cmd, false);
1244                 break;
1245
1246         case LFUN_MATH_MACRO:
1247                 if (cmd.argument().empty())
1248                         cur.errorMessage(from_utf8(N_("Missing argument")));
1249                 else {
1250                         string s = to_utf8(cmd.argument());
1251                         string const s1 = token(s, ' ', 1);
1252                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1253                         string const s2 = token(s, ' ', 2);
1254                         string const type = s2.empty() ? "newcommand" : s2;
1255                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1256                         //cur.nextInset()->edit(cur, true);
1257                 }
1258                 break;
1259
1260         // passthrough hat and underscore outside mathed:
1261         case LFUN_MATH_SUBSCRIPT:
1262                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1263                 break;
1264         case LFUN_MATH_SUPERSCRIPT:
1265                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1266                 break;
1267
1268         case LFUN_MATH_INSERT:
1269         case LFUN_MATH_MATRIX:
1270         case LFUN_MATH_DELIM:
1271         case LFUN_MATH_BIGDELIM: {
1272                 if (cur.selection())
1273                         cur.clearSelection();
1274                 // FIXME: instead of the above, this one
1275                 // should be used (but it asserts with Bidi enabled)
1276                 // cf. http://bugzilla.lyx.org/show_bug.cgi?id=4055
1277                 // cap::replaceSelection(cur);
1278                 cur.insert(new InsetMathHull(hullSimple));
1279                 checkAndActivateInset(cur, true);
1280                 BOOST_ASSERT(cur.inMathed());
1281                 cur.dispatch(cmd);
1282                 break;
1283         }
1284
1285         case LFUN_FONT_EMPH: {
1286                 Font font(Font::ALL_IGNORE);
1287                 font.setEmph(Font::TOGGLE);
1288                 toggleAndShow(cur, this, font);
1289                 break;
1290         }
1291
1292         case LFUN_FONT_BOLD: {
1293                 Font font(Font::ALL_IGNORE);
1294                 font.setSeries(Font::BOLD_SERIES);
1295                 toggleAndShow(cur, this, font);
1296                 break;
1297         }
1298
1299         case LFUN_FONT_NOUN: {
1300                 Font font(Font::ALL_IGNORE);
1301                 font.setNoun(Font::TOGGLE);
1302                 toggleAndShow(cur, this, font);
1303                 break;
1304         }
1305
1306         case LFUN_FONT_TYPEWRITER: {
1307                 Font font(Font::ALL_IGNORE);
1308                 font.setFamily(Font::TYPEWRITER_FAMILY); // no good
1309                 toggleAndShow(cur, this, font);
1310                 break;
1311         }
1312
1313         case LFUN_FONT_SANS: {
1314                 Font font(Font::ALL_IGNORE);
1315                 font.setFamily(Font::SANS_FAMILY);
1316                 toggleAndShow(cur, this, font);
1317                 break;
1318         }
1319
1320         case LFUN_FONT_ROMAN: {
1321                 Font font(Font::ALL_IGNORE);
1322                 font.setFamily(Font::ROMAN_FAMILY);
1323                 toggleAndShow(cur, this, font);
1324                 break;
1325         }
1326
1327         case LFUN_FONT_DEFAULT: {
1328                 Font font(Font::ALL_INHERIT, ignore_language);
1329                 toggleAndShow(cur, this, font);
1330                 break;
1331         }
1332
1333         case LFUN_FONT_UNDERLINE: {
1334                 Font font(Font::ALL_IGNORE);
1335                 font.setUnderbar(Font::TOGGLE);
1336                 toggleAndShow(cur, this, font);
1337                 break;
1338         }
1339
1340         case LFUN_FONT_SIZE: {
1341                 Font font(Font::ALL_IGNORE);
1342                 font.setLyXSize(to_utf8(cmd.argument()));
1343                 toggleAndShow(cur, this, font);
1344                 break;
1345         }
1346
1347         case LFUN_LANGUAGE: {
1348                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1349                 if (!lang)
1350                         break;
1351                 Font font(Font::ALL_IGNORE);
1352                 font.setLanguage(lang);
1353                 toggleAndShow(cur, this, font);
1354                 break;
1355         }
1356
1357         case LFUN_FONT_FREE_APPLY:
1358                 toggleAndShow(cur, this, freefont, toggleall);
1359                 cur.message(_("Character set"));
1360                 break;
1361
1362         // Set the freefont using the contents of \param data dispatched from
1363         // the frontends and apply it at the current cursor location.
1364         case LFUN_FONT_FREE_UPDATE: {
1365                 Font font;
1366                 bool toggle;
1367                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1368                         freefont = font;
1369                         toggleall = toggle;
1370                         toggleAndShow(cur, this, freefont, toggleall);
1371                         cur.message(_("Character set"));
1372                 }
1373                 break;
1374         }
1375
1376         case LFUN_FINISHED_LEFT:
1377                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1378                 if (reverseDirectionNeeded(cur)) {
1379                         ++cur.pos();
1380                         cur.setCurrentFont();
1381                 }
1382                 break;
1383
1384         case LFUN_FINISHED_RIGHT:
1385                 LYXERR(Debug::DEBUG) << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1386                 if (!reverseDirectionNeeded(cur)) {
1387                         ++cur.pos();
1388                         cur.setCurrentFont();
1389                 }
1390                 break;
1391
1392         case LFUN_LAYOUT_PARAGRAPH: {
1393                 string data;
1394                 params2string(cur.paragraph(), data);
1395                 data = "show\n" + data;
1396                 bv->showDialogWithData("paragraph", data);
1397                 break;
1398         }
1399
1400         case LFUN_PARAGRAPH_UPDATE: {
1401                 string data;
1402                 params2string(cur.paragraph(), data);
1403
1404                 // Will the paragraph accept changes from the dialog?
1405                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1406
1407                 data = "update " + convert<string>(accept) + '\n' + data;
1408                 bv->updateDialog("paragraph", data);
1409                 break;
1410         }
1411
1412         case LFUN_ACCENT_UMLAUT:
1413         case LFUN_ACCENT_CIRCUMFLEX:
1414         case LFUN_ACCENT_GRAVE:
1415         case LFUN_ACCENT_ACUTE:
1416         case LFUN_ACCENT_TILDE:
1417         case LFUN_ACCENT_CEDILLA:
1418         case LFUN_ACCENT_MACRON:
1419         case LFUN_ACCENT_DOT:
1420         case LFUN_ACCENT_UNDERDOT:
1421         case LFUN_ACCENT_UNDERBAR:
1422         case LFUN_ACCENT_CARON:
1423         case LFUN_ACCENT_SPECIAL_CARON:
1424         case LFUN_ACCENT_BREVE:
1425         case LFUN_ACCENT_TIE:
1426         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1427         case LFUN_ACCENT_CIRCLE:
1428         case LFUN_ACCENT_OGONEK:
1429                 theLyXFunc().handleKeyFunc(cmd.action);
1430                 if (!cmd.argument().empty())
1431                         // FIXME: Are all these characters encoded in one byte in utf8?
1432                         bv->translateAndInsert(cmd.argument()[0], this, cur);
1433                 break;
1434
1435         case LFUN_FLOAT_LIST: {
1436                 TextClass const & tclass = bv->buffer().params().getTextClass();
1437                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1438                         recordUndo(cur);
1439                         if (cur.selection())
1440                                 cutSelection(cur, true, false);
1441                         breakParagraph(cur);
1442
1443                         if (cur.lastpos() != 0) {
1444                                 cursorLeft(cur);
1445                                 breakParagraph(cur);
1446                         }
1447
1448                         setLayout(cur, tclass.defaultLayoutName());
1449                         ParagraphParameters p;
1450                         setParagraphs(cur, p);
1451                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1452                         cur.posRight();
1453                 } else {
1454                         lyxerr << "Non-existent float type: "
1455                                << to_utf8(cmd.argument()) << endl;
1456                 }
1457                 break;
1458         }
1459
1460         case LFUN_CHANGE_ACCEPT: {
1461                 acceptOrRejectChanges(cur, ACCEPT);
1462                 break;
1463         }
1464
1465         case LFUN_CHANGE_REJECT: {
1466                 acceptOrRejectChanges(cur, REJECT);
1467                 break;
1468         }
1469
1470         case LFUN_THESAURUS_ENTRY: {
1471                 docstring arg = cmd.argument();
1472                 if (arg.empty()) {
1473                         arg = cur.selectionAsString(false);
1474                         // FIXME
1475                         if (arg.size() > 100 || arg.empty()) {
1476                                 // Get word or selection
1477                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1478                                 arg = cur.selectionAsString(false);
1479                         }
1480                 }
1481                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1482                 break;
1483         }
1484
1485         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1486                 // Given data, an encoding of the ParagraphParameters
1487                 // generated in the Paragraph dialog, this function sets
1488                 // the current paragraph, or currently selected paragraphs,
1489                 // appropriately.
1490                 // NOTE: This function overrides all existing settings.
1491                 setParagraphs(cur, cmd.argument());
1492                 cur.message(_("Paragraph layout set"));
1493                 break;
1494         }
1495
1496         case LFUN_PARAGRAPH_PARAMS: {
1497                 // Given data, an encoding of the ParagraphParameters as we'd
1498                 // find them in a LyX file, this function modifies the current paragraph,
1499                 // or currently selected paragraphs.
1500                 // NOTE: This function only modifies, and does not override, existing
1501                 // settings.
1502                 setParagraphs(cur, cmd.argument(), true);
1503                 cur.message(_("Paragraph layout set"));
1504                 break;
1505         }
1506
1507         case LFUN_ESCAPE:
1508                 if (cur.selection()) {
1509                         cur.selection() = false;
1510                 } else {
1511                         cur.undispatched();
1512                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1513                 }
1514                 break;
1515
1516         default:
1517                 LYXERR(Debug::ACTION)
1518                         << BOOST_CURRENT_FUNCTION
1519                         << ": Command " << cmd
1520                         << " not DISPATCHED by Text" << endl;
1521                 cur.undispatched();
1522                 break;
1523         }
1524
1525         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1526
1527         // FIXME: The cursor flag is reset two lines below
1528         // so we need to check here if some of the LFUN did touch that.
1529         // for now only Text::erase() and Text::backspace() do that.
1530         // The plan is to verify all the LFUNs and then to remove this
1531         // singleParUpdate boolean altogether.
1532         if (cur.result().update() & Update::Force) {
1533                 singleParUpdate = false;
1534                 needsUpdate = true;
1535         }
1536
1537         // FIXME: the following code should go in favor of fine grained
1538         // update flag treatment.
1539         if (singleParUpdate) {
1540                 // Inserting characters does not change par height
1541                 ParagraphMetrics const & pms
1542                         = cur.bv().parMetrics(cur.bottom().text(), cur.bottom().pit());
1543                 if (pms.dim().height()
1544                     == olddim.height()) {
1545                         // if so, update _only_ this paragraph
1546                         cur.updateFlags(Update::SinglePar |
1547                                 Update::FitCursor |
1548                                 Update::MultiParSel);
1549                         return;
1550                 } else
1551                         needsUpdate = true;
1552         }
1553
1554         if (!needsUpdate
1555             && &oldTopSlice.inset() == &cur.inset()
1556             && oldTopSlice.idx() == cur.idx()
1557             && !sel // sel is a backup of cur.selection() at the biginning of the function.
1558             && !cur.selection())
1559                 // FIXME: it would be better if we could just do this
1560                 //
1561                 //if (cur.result().update() != Update::FitCursor)
1562                 //      cur.noUpdate();
1563                 //
1564                 // But some LFUNs do not set Update::FitCursor when needed, so we
1565                 // do it for all. This is not very harmfull as FitCursor will provoke
1566                 // a full redraw only if needed but still, a proper review of all LFUN
1567                 // should be done and this needsUpdate boolean can then be removed.
1568                 cur.updateFlags(Update::FitCursor);
1569         else
1570                 cur.updateFlags(Update::Force | Update::FitCursor);
1571 }
1572
1573
1574 bool Text::getStatus(Cursor & cur, FuncRequest const & cmd,
1575                         FuncStatus & flag) const
1576 {
1577         BOOST_ASSERT(cur.text() == this);
1578
1579         Font const & font = cur.real_current_font;
1580         bool enable = true;
1581         Inset::Code code = Inset::NO_CODE;
1582
1583         switch (cmd.action) {
1584
1585         case LFUN_DEPTH_DECREMENT:
1586                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1587                 break;
1588
1589         case LFUN_DEPTH_INCREMENT:
1590                 enable = changeDepthAllowed(cur, INC_DEPTH);
1591                 break;
1592
1593         case LFUN_APPENDIX:
1594                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1595                 return true;
1596
1597         case LFUN_BIBITEM_INSERT:
1598                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO
1599                           && cur.pos() == 0);
1600                 break;
1601
1602         case LFUN_DIALOG_SHOW_NEW_INSET:
1603                 if (cmd.argument() == "bibitem")
1604                         code = Inset::BIBITEM_CODE;
1605                 else if (cmd.argument() == "bibtex")
1606                         code = Inset::BIBTEX_CODE;
1607                 else if (cmd.argument() == "box")
1608                         code = Inset::BOX_CODE;
1609                 else if (cmd.argument() == "branch")
1610                         code = Inset::BRANCH_CODE;
1611                 else if (cmd.argument() == "citation")
1612                         code = Inset::CITE_CODE;
1613                 else if (cmd.argument() == "ert")
1614                         code = Inset::ERT_CODE;
1615                 else if (cmd.argument() == "external")
1616                         code = Inset::EXTERNAL_CODE;
1617                 else if (cmd.argument() == "float")
1618                         code = Inset::FLOAT_CODE;
1619                 else if (cmd.argument() == "graphics")
1620                         code = Inset::GRAPHICS_CODE;
1621                 else if (cmd.argument() == "include")
1622                         code = Inset::INCLUDE_CODE;
1623                 else if (cmd.argument() == "index")
1624                         code = Inset::INDEX_CODE;
1625                 else if (cmd.argument() == "nomenclature")
1626                         code = Inset::NOMENCL_CODE;
1627                 else if (cmd.argument() == "label")
1628                         code = Inset::LABEL_CODE;
1629                 else if (cmd.argument() == "note")
1630                         code = Inset::NOTE_CODE;
1631                 else if (cmd.argument() == "ref")
1632                         code = Inset::REF_CODE;
1633                 else if (cmd.argument() == "toc")
1634                         code = Inset::TOC_CODE;
1635                 else if (cmd.argument() == "url")
1636                         code = Inset::URL_CODE;
1637                 else if (cmd.argument() == "vspace")
1638                         code = Inset::VSPACE_CODE;
1639                 else if (cmd.argument() == "wrap")
1640                         code = Inset::WRAP_CODE;
1641                 else if (cmd.argument() == "listings")
1642                         code = Inset::LISTINGS_CODE;
1643                 break;
1644
1645         case LFUN_ERT_INSERT:
1646                 code = Inset::ERT_CODE;
1647                 break;
1648         case LFUN_LISTING_INSERT:
1649             code = Inset::LISTINGS_CODE;
1650                 break;
1651         case LFUN_FOOTNOTE_INSERT:
1652                 code = Inset::FOOT_CODE;
1653                 break;
1654         case LFUN_TABULAR_INSERT:
1655                 code = Inset::TABULAR_CODE;
1656                 break;
1657         case LFUN_MARGINALNOTE_INSERT:
1658                 code = Inset::MARGIN_CODE;
1659                 break;
1660         case LFUN_FLOAT_INSERT:
1661         case LFUN_FLOAT_WIDE_INSERT:
1662                 code = Inset::FLOAT_CODE;
1663                 break;
1664         case LFUN_WRAP_INSERT:
1665                 code = Inset::WRAP_CODE;
1666                 break;
1667         case LFUN_FLOAT_LIST:
1668                 code = Inset::FLOAT_LIST_CODE;
1669                 break;
1670 #if 0
1671         case LFUN_LIST_INSERT:
1672                 code = Inset::LIST_CODE;
1673                 break;
1674         case LFUN_THEOREM_INSERT:
1675                 code = Inset::THEOREM_CODE;
1676                 break;
1677 #endif
1678         case LFUN_CAPTION_INSERT:
1679                 code = Inset::CAPTION_CODE;
1680                 break;
1681         case LFUN_NOTE_INSERT:
1682                 code = Inset::NOTE_CODE;
1683                 break;
1684         case LFUN_FLEX_INSERT: {
1685                 code = Inset::FLEX_CODE;
1686                 string s = cmd.getArg(0);
1687                 InsetLayout il =  cur.buffer().params().getTextClass().insetlayout(from_utf8(s));
1688                 if (il.lyxtype != "charstyle" &&
1689                     il.lyxtype != "custom" &&
1690                     il.lyxtype != "element")
1691                         enable = false;
1692                 break;
1693                 }
1694         case LFUN_BOX_INSERT:
1695                 code = Inset::BOX_CODE;
1696                 break;
1697         case LFUN_BRANCH_INSERT:
1698                 code = Inset::BRANCH_CODE;
1699                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1700                         enable = false;
1701                 break;
1702         case LFUN_LABEL_INSERT:
1703                 code = Inset::LABEL_CODE;
1704                 break;
1705         case LFUN_OPTIONAL_INSERT:
1706                 code = Inset::OPTARG_CODE;
1707                 enable = numberOfOptArgs(cur.paragraph())
1708                         < cur.paragraph().layout()->optionalargs;
1709                 break;
1710         case LFUN_ENVIRONMENT_INSERT:
1711                 code = Inset::BOX_CODE;
1712                 break;
1713         case LFUN_INDEX_INSERT:
1714                 code = Inset::INDEX_CODE;
1715                 break;
1716         case LFUN_INDEX_PRINT:
1717                 code = Inset::INDEX_PRINT_CODE;
1718                 break;
1719         case LFUN_NOMENCL_INSERT:
1720                 code = Inset::NOMENCL_CODE;
1721                 break;
1722         case LFUN_NOMENCL_PRINT:
1723                 code = Inset::NOMENCL_PRINT_CODE;
1724                 break;
1725         case LFUN_TOC_INSERT:
1726                 code = Inset::TOC_CODE;
1727                 break;
1728         case LFUN_HTML_INSERT:
1729         case LFUN_URL_INSERT:
1730                 code = Inset::URL_CODE;
1731                 break;
1732         case LFUN_QUOTE_INSERT:
1733                 // always allow this, since we will inset a raw quote
1734                 // if an inset is not allowed.
1735                 break;
1736         case LFUN_HYPHENATION_POINT_INSERT:
1737         case LFUN_LIGATURE_BREAK_INSERT:
1738         case LFUN_HFILL_INSERT:
1739         case LFUN_MENU_SEPARATOR_INSERT:
1740         case LFUN_DOTS_INSERT:
1741         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1742                 code = Inset::SPECIALCHAR_CODE;
1743                 break;
1744         case LFUN_SPACE_INSERT:
1745                 // slight hack: we know this is allowed in math mode
1746                 if (cur.inTexted())
1747                         code = Inset::SPACE_CODE;
1748                 break;
1749
1750         case LFUN_INSET_MODIFY:
1751                 // We need to disable this, because we may get called for a
1752                 // tabular cell via
1753                 // InsetTabular::getStatus() -> InsetText::getStatus()
1754                 // and we don't handle LFUN_INSET_MODIFY.
1755                 enable = false;
1756                 break;
1757
1758         case LFUN_FONT_EMPH:
1759                 flag.setOnOff(font.emph() == Font::ON);
1760                 return true;
1761
1762         case LFUN_FONT_NOUN:
1763                 flag.setOnOff(font.noun() == Font::ON);
1764                 return true;
1765
1766         case LFUN_FONT_BOLD:
1767                 flag.setOnOff(font.series() == Font::BOLD_SERIES);
1768                 return true;
1769
1770         case LFUN_FONT_SANS:
1771                 flag.setOnOff(font.family() == Font::SANS_FAMILY);
1772                 return true;
1773
1774         case LFUN_FONT_ROMAN:
1775                 flag.setOnOff(font.family() == Font::ROMAN_FAMILY);
1776                 return true;
1777
1778         case LFUN_FONT_TYPEWRITER:
1779                 flag.setOnOff(font.family() == Font::TYPEWRITER_FAMILY);
1780                 return true;
1781
1782         case LFUN_CUT:
1783         case LFUN_COPY:
1784                 enable = cur.selection();
1785                 break;
1786
1787         case LFUN_PASTE:
1788                 if (cmd.argument().empty()) {
1789                         if (theClipboard().isInternal())
1790                                 enable = cap::numberOfSelections() > 0;
1791                         else
1792                                 enable = !theClipboard().empty();
1793                 } else {
1794                         string const arg = to_utf8(cmd.argument());
1795                         if (isStrUnsignedInt(arg)) {
1796                                 unsigned int n = convert<unsigned int>(arg);
1797                                 enable = cap::numberOfSelections() > n;
1798                         } else
1799                                 // unknown argument
1800                                 enable = false;
1801                 }
1802                 break;
1803
1804         case LFUN_CLIPBOARD_PASTE:
1805                 enable = !theClipboard().empty();
1806                 break;
1807
1808         case LFUN_PRIMARY_SELECTION_PASTE:
1809                 enable = cur.selection() || !theSelection().empty();
1810                 break;
1811
1812         case LFUN_PARAGRAPH_MOVE_UP:
1813                 enable = cur.pit() > 0 && !cur.selection();
1814                 break;
1815
1816         case LFUN_PARAGRAPH_MOVE_DOWN:
1817                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1818                 break;
1819
1820         case LFUN_INSET_DISSOLVE:
1821                 enable = !isMainText(cur.bv().buffer()) && cur.inset().nargs() == 1;
1822                 break;
1823
1824         case LFUN_CHANGE_ACCEPT:
1825         case LFUN_CHANGE_REJECT:
1826                 // TODO: context-sensitive enabling of LFUN_CHANGE_ACCEPT/REJECT
1827                 // In principle, these LFUNs should only be enabled if there
1828                 // is a change at the current position/in the current selection.
1829                 // However, without proper optimizations, this will inevitably
1830                 // result in unacceptable performance - just imagine a user who
1831                 // wants to select the complete content of a long document.
1832                 enable = true;
1833                 break;
1834
1835         case LFUN_WORD_DELETE_FORWARD:
1836         case LFUN_WORD_DELETE_BACKWARD:
1837         case LFUN_LINE_DELETE:
1838         case LFUN_WORD_FORWARD:
1839         case LFUN_WORD_BACKWARD:
1840         case LFUN_CHAR_FORWARD:
1841         case LFUN_CHAR_FORWARD_SELECT:
1842         case LFUN_CHAR_BACKWARD:
1843         case LFUN_CHAR_BACKWARD_SELECT:
1844         case LFUN_UP:
1845         case LFUN_UP_SELECT:
1846         case LFUN_DOWN:
1847         case LFUN_DOWN_SELECT:
1848         case LFUN_PARAGRAPH_UP_SELECT:
1849         case LFUN_PARAGRAPH_DOWN_SELECT:
1850         case LFUN_SCREEN_UP_SELECT:
1851         case LFUN_SCREEN_DOWN_SELECT:
1852         case LFUN_LINE_BEGIN_SELECT:
1853         case LFUN_LINE_END_SELECT:
1854         case LFUN_WORD_FORWARD_SELECT:
1855         case LFUN_WORD_BACKWARD_SELECT:
1856         case LFUN_WORD_SELECT:
1857         case LFUN_PARAGRAPH_UP:
1858         case LFUN_PARAGRAPH_DOWN:
1859         case LFUN_LINE_BEGIN:
1860         case LFUN_LINE_END:
1861         case LFUN_BREAK_LINE:
1862         case LFUN_CHAR_DELETE_FORWARD:
1863         case LFUN_DELETE_FORWARD_SKIP:
1864         case LFUN_CHAR_DELETE_BACKWARD:
1865         case LFUN_DELETE_BACKWARD_SKIP:
1866         case LFUN_BREAK_PARAGRAPH:
1867         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1868         case LFUN_BREAK_PARAGRAPH_SKIP:
1869         case LFUN_PARAGRAPH_SPACING:
1870         case LFUN_INSET_INSERT:
1871         case LFUN_WORD_UPCASE:
1872         case LFUN_WORD_LOWCASE:
1873         case LFUN_WORD_CAPITALIZE:
1874         case LFUN_CHARS_TRANSPOSE:
1875         case LFUN_SERVER_GET_XY:
1876         case LFUN_SERVER_SET_XY:
1877         case LFUN_SERVER_GET_FONT:
1878         case LFUN_SERVER_GET_LAYOUT:
1879         case LFUN_LAYOUT:
1880         case LFUN_DATE_INSERT:
1881         case LFUN_SELF_INSERT:
1882         case LFUN_LINE_INSERT:
1883         case LFUN_PAGEBREAK_INSERT:
1884         case LFUN_CLEARPAGE_INSERT:
1885         case LFUN_CLEARDOUBLEPAGE_INSERT:
1886         case LFUN_MATH_DISPLAY:
1887         case LFUN_MATH_IMPORT_SELECTION:
1888         case LFUN_MATH_MODE:
1889         case LFUN_MATH_MACRO:
1890         case LFUN_MATH_MATRIX:
1891         case LFUN_MATH_DELIM:
1892         case LFUN_MATH_BIGDELIM:
1893         case LFUN_MATH_INSERT:
1894         case LFUN_MATH_SUBSCRIPT:
1895         case LFUN_MATH_SUPERSCRIPT:
1896         case LFUN_FONT_DEFAULT:
1897         case LFUN_FONT_UNDERLINE:
1898         case LFUN_FONT_SIZE:
1899         case LFUN_LANGUAGE:
1900         case LFUN_FONT_FREE_APPLY:
1901         case LFUN_FONT_FREE_UPDATE:
1902         case LFUN_LAYOUT_PARAGRAPH:
1903         case LFUN_PARAGRAPH_UPDATE:
1904         case LFUN_ACCENT_UMLAUT:
1905         case LFUN_ACCENT_CIRCUMFLEX:
1906         case LFUN_ACCENT_GRAVE:
1907         case LFUN_ACCENT_ACUTE:
1908         case LFUN_ACCENT_TILDE:
1909         case LFUN_ACCENT_CEDILLA:
1910         case LFUN_ACCENT_MACRON:
1911         case LFUN_ACCENT_DOT:
1912         case LFUN_ACCENT_UNDERDOT:
1913         case LFUN_ACCENT_UNDERBAR:
1914         case LFUN_ACCENT_CARON:
1915         case LFUN_ACCENT_SPECIAL_CARON:
1916         case LFUN_ACCENT_BREVE:
1917         case LFUN_ACCENT_TIE:
1918         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1919         case LFUN_ACCENT_CIRCLE:
1920         case LFUN_ACCENT_OGONEK:
1921         case LFUN_THESAURUS_ENTRY:
1922         case LFUN_PARAGRAPH_PARAMS_APPLY:
1923         case LFUN_PARAGRAPH_PARAMS:
1924         case LFUN_ESCAPE:
1925         case LFUN_BUFFER_END:
1926         case LFUN_BUFFER_BEGIN:
1927         case LFUN_BUFFER_BEGIN_SELECT:
1928         case LFUN_BUFFER_END_SELECT:
1929         case LFUN_UNICODE_INSERT:
1930                 // these are handled in our dispatch()
1931                 enable = true;
1932                 break;
1933
1934         default:
1935                 return false;
1936         }
1937
1938         if (code != Inset::NO_CODE
1939             && (cur.empty() || !cur.inset().insetAllowed(code)))
1940                 enable = false;
1941
1942         flag.enabled(enable);
1943         return true;
1944 }
1945
1946
1947 void Text::pasteString(Cursor & cur, docstring const & clip,
1948                 bool asParagraphs)
1949 {
1950         cur.clearSelection();
1951         if (!clip.empty()) {
1952                 recordUndo(cur);
1953                 if (asParagraphs)
1954                         insertStringAsParagraphs(cur, clip);
1955                 else
1956                         insertStringAsLines(cur, clip);
1957         }
1958 }
1959
1960 } // namespace lyx