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