src/text3.C

   1 /**
   2  * \file text3.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Lars Gullik Bjønnes
   8  * \author Alfredo Braunstein
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "lyxtext.h"
  19
  20 #include "BranchList.h"
  21 #include "FloatList.h"
  22 #include "FuncStatus.h"
  23 #include "buffer.h"
  24 #include "buffer_funcs.h"
  25 #include "bufferparams.h"
  26 #include "BufferView.h"
  27 #include "cursor.h"
  28 #include "coordcache.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 "lyxlex.h"
  41 #include "lyxrc.h"
  42 #include "lyxrow.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/Application.h"
  51 #include "frontends/Clipboard.h"
  52 #include "frontends/Selection.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetfloatlist.h"
  56 #include "insets/insetnewline.h"
  57 #include "insets/insetquotes.h"
  58 #include "insets/insetspecialchar.h"
  59 #include "insets/insettext.h"
  60
  61 #include "support/lstrings.h"
  62 #include "support/lyxlib.h"
  63 #include "support/convert.h"
  64 #include "support/lyxtime.h"
  65
  66 #include "mathed/InsetMathHull.h"
  67 #include "mathed/MathMacroTemplate.h"
  68
  69 #include <boost/current_function.hpp>
  70
  71 #include <clocale>
  72 #include <sstream>
  73
  74 using lyx::char_type;
  75 using lyx::docstring;
  76 using lyx::pos_type;
  77
  78 using lyx::cap::copySelection;
  79 using lyx::cap::cutSelection;
  80 using lyx::cap::pasteSelection;
  81 using lyx::cap::replaceSelection;
  82
  83 using lyx::support::isStrUnsignedInt;
  84 using lyx::support::token;
  85
  86 using std::endl;
  87 using std::string;
  88 using std::istringstream;
  89 using std::ostringstream;
  90
  91
  92 extern string current_layout;
  93
  94
  95 namespace {
  96
  97         // globals...
  98         LyXFont freefont(LyXFont::ALL_IGNORE);
  99         bool toggleall = false;
 100
 101
 102         void toggleAndShow(LCursor & cur, LyXText * text,
 103                 LyXFont const & font, bool toggleall = true)
 104         {
 105                 text->toggleFree(cur, font, toggleall);
 106
 107                 if (font.language() != ignore_language ||
 108                                 font.number() != LyXFont::IGNORE) {
 109                         Paragraph & par = cur.paragraph();
 110                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 111                         if (cur.boundary() !=
 112                                         text->bidi.isBoundary(cur.buffer(), par,
 113                                                         cur.pos(),
 114                                                         text->real_current_font))
 115                                 text->setCursor(cur, cur.pit(), cur.pos(),
 116                                                 false, !cur.boundary());
 117                 }
 118         }
 119
 120
 121         void moveCursor(LCursor & cur, bool selecting)
 122         {
 123                 if (selecting || cur.mark())
 124                         cur.setSelection();
 125                 if (!cur.selection())
 126                         theApp->selection().haveSelection(false);
 127                 cur.bv().switchKeyMap();
 128         }
 129
 130
 131         void finishChange(LCursor & cur, bool selecting)
 132         {
 133                 finishUndo();
 134                 moveCursor(cur, selecting);
 135         }
 136
 137
 138         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 139         {
 140                 recordUndo(cur);
 141                 string sel = lyx::to_utf8(cur.selectionAsString(false));
 142                 //lyxerr << "selection is: '" << sel << "'" << endl;
 143
 144                 // It may happen that sel is empty but there is a selection
 145                 replaceSelection(cur);
 146
 147                 if (sel.empty()) {
 148                         const int old_pos = cur.pos();
 149                         cur.insert(new InsetMathHull(hullSimple));
 150                         BOOST_ASSERT(old_pos == cur.pos());
 151                         cur.nextInset()->edit(cur, true);
 152                         // don't do that also for LFUN_MATH_MODE
 153                         // unless you want end up with always changing
 154                         // to mathrm when opening an inlined inset --
 155                         // I really hate "LyXfunc overloading"...
 156                         if (display)
 157                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 158                         // Avoid an unnecessary undo step if cmd.argument
 159                         // is empty
 160                         if (!cmd.argument().empty())
 161                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 162                                                          cmd.argument()));
 163                 } else {
 164                         // create a macro if we see "\\newcommand"
 165                         // somewhere, and an ordinary formula
 166                         // otherwise
 167                         istringstream is(sel);
 168                         if (sel.find("\\newcommand") == string::npos
 169                             && sel.find("\\def") == string::npos)
 170                         {
 171                                 InsetMathHull * formula = new InsetMathHull;
 172                                 LyXLex lex(0, 0);
 173                                 lex.setStream(is);
 174                                 formula->read(cur.buffer(), lex);
 175                                 if (formula->getType() == hullNone)
 176                                         // Don't create pseudo formulas if
 177                                         // delimiters are left out
 178                                         formula->mutate(hullSimple);
 179                                 cur.insert(formula);
 180                         } else
 181                                 cur.insert(new MathMacroTemplate(is));
 182                 }
 183                 cur.message(lyx::from_utf8(N_("Math editor mode")));
 184         }
 185
 186 } // namespace anon
 187
 188
 189
 190 namespace bv_funcs {
 191
 192 string const freefont2string()
 193 {
 194         string data;
 195         if (font2string(freefont, toggleall, data))
 196                 return data;
 197         return string();
 198 }
 199
 200 }
 201
 202 bool LyXText::cursorPrevious(LCursor & cur)
 203 {
 204         pos_type cpos = cur.pos();
 205         lyx::pit_type cpar = cur.pit();
 206
 207         int x = cur.x_target();
 208
 209         bool updated = setCursorFromCoordinates(cur, x, 0);
 210         if (updated)
 211                 cur.bv().update();
 212         updated |= cursorUp(cur);
 213
 214         if (cpar == cur.pit() && cpos == cur.pos()) {
 215                 // we have a row which is taller than the workarea. The
 216                 // simplest solution is to move to the previous row instead.
 217                 updated |= cursorUp(cur);
 218         }
 219
 220         finishUndo();
 221         return updated;
 222 }
 223
 224
 225 bool LyXText::cursorNext(LCursor & cur)
 226 {
 227         pos_type cpos = cur.pos();
 228         lyx::pit_type cpar = cur.pit();
 229
 230         int x = cur.x_target();
 231         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 232         if (updated)
 233                 cur.bv().update();
 234         updated |= cursorDown(cur);
 235
 236         if (cpar == cur.pit() && cpos == cur.pos()) {
 237                 // we have a row which is taller than the workarea. The
 238                 // simplest solution is to move to the next row instead.
 239                 updated |= cursorDown(cur);
 240         }
 241
 242         finishUndo();
 243         return updated;
 244 }
 245
 246
 247 namespace {
 248
 249 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 250 {
 251         lyx::cap::replaceSelection(cur);
 252         cur.insert(new InsetSpecialChar(kind));
 253         cur.posRight();
 254 }
 255
 256
 257 bool doInsertInset(LCursor & cur, LyXText * text,
 258         FuncRequest const & cmd, bool edit, bool pastesel)
 259 {
 260         InsetBase * inset = createInset(&cur.bv(), cmd);
 261         if (!inset)
 262                 return false;
 263
 264         recordUndo(cur);
 265         bool gotsel = false;
 266         if (cur.selection()) {
 267                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_CUT));
 268                 gotsel = true;
 269         }
 270         text->insertInset(cur, inset);
 271
 272         if (edit)
 273                 inset->edit(cur, true);
 274
 275         if (gotsel && pastesel) {
 276                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PASTE));
 277                 // reset first par to default
 278                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 279                         LyXLayout_ptr const layout =
 280                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 281                         cur.text()->paragraphs().begin()->layout(layout);
 282                 }
 283         }
 284         return true;
 285 }
 286
 287
 288 void update(LCursor & cur)
 289 {
 290         //we don't call update(true, false) directly to save a metrics call
 291         if (cur.bv().fitCursor())
 292                 cur.bv().update(Update::Force);
 293 }
 294
 295
 296 } // anon namespace
 297
 298
 299 void LyXText::number(LCursor & cur)
 300 {
 301         LyXFont font(LyXFont::ALL_IGNORE);
 302         font.setNumber(LyXFont::TOGGLE);
 303         toggleAndShow(cur, this, font);
 304 }
 305
 306
 307 bool LyXText::isRTL(Paragraph const & par) const
 308 {
 309         return par.isRightToLeftPar(bv()->buffer()->params());
 310 }
 311
 312
 313 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 314 {
 315         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 316
 317         BOOST_ASSERT(cur.text() == this);
 318         BufferView * bv = &cur.bv();
 319         CursorSlice oldTopSlice = cur.top();
 320         bool oldBoundary = cur.boundary();
 321         bool sel = cur.selection();
 322         // Signals that, even if needsUpdate == false, an update of the
 323         // cursor paragraph is required
 324         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 325                 LyXAction::SingleParUpdate);
 326         // Signals that a full-screen update is required
 327         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 328                 LyXAction::NoUpdate) || singleParUpdate);
 329         // Remember the old paragraph metric (_outer_ paragraph!)
 330         Dimension olddim = cur.bottom().paragraph().dim();
 331
 332         switch (cmd.action) {
 333
 334         case LFUN_PARAGRAPH_MOVE_DOWN: {
 335                 pit_type const pit = cur.pit();
 336                 recUndo(pit, pit + 1);
 337                 finishUndo();
 338                 std::swap(pars_[pit], pars_[pit + 1]);
 339
 340                 ParIterator begin(cur);
 341                 ++cur.pit();
 342                 ParIterator end = boost::next(ParIterator(cur));
 343                 updateLabels(cur.buffer(), begin, end);
 344
 345                 needsUpdate = true;
 346                 break;
 347         }
 348
 349         case LFUN_PARAGRAPH_MOVE_UP: {
 350                 pit_type const pit = cur.pit();
 351                 recUndo(pit - 1, pit);
 352                 finishUndo();
 353                 std::swap(pars_[pit], pars_[pit - 1]);
 354
 355                 ParIterator end = boost::next(ParIterator(cur));
 356                 --cur.pit();
 357                 ParIterator begin(cur);
 358                 updateLabels(cur.buffer(), begin, end);
 359
 360                 needsUpdate = true;
 361                 break;
 362         }
 363
 364         case LFUN_APPENDIX: {
 365                 Paragraph & par = cur.paragraph();
 366                 bool start = !par.params().startOfAppendix();
 367
 368 #ifdef WITH_WARNINGS
 369 #warning The code below only makes sense at top level.
 370 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 371 #endif
 372                 // ensure that we have only one start_of_appendix in this document
 373                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 374                         if (pars_[tmp].params().startOfAppendix()) {
 375                                 recUndo(tmp);
 376                                 pars_[tmp].params().startOfAppendix(false);
 377                                 break;
 378                         }
 379                 }
 380
 381                 recordUndo(cur);
 382                 par.params().startOfAppendix(start);
 383
 384                 // we can set the refreshing parameters now
 385                 updateLabels(cur.buffer());
 386                 break;
 387         }
 388
 389         case LFUN_WORD_DELETE_FORWARD:
 390                 cur.clearSelection();
 391                 deleteWordForward(cur);
 392                 finishChange(cur, false);
 393                 break;
 394
 395         case LFUN_WORD_DELETE_BACKWARD:
 396                 cur.clearSelection();
 397                 deleteWordBackward(cur);
 398                 finishChange(cur, false);
 399                 break;
 400
 401         case LFUN_LINE_DELETE:
 402                 cur.clearSelection();
 403                 deleteLineForward(cur);
 404                 finishChange(cur, false);
 405                 break;
 406
 407         case LFUN_BUFFER_BEGIN:
 408         case LFUN_BUFFER_BEGIN_SELECT:
 409                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 410                 if (cur.depth() == 1) {
 411                         needsUpdate = cursorTop(cur);
 412                 } else {
 413                         cur.undispatched();
 414                 }
 415                 break;
 416
 417         case LFUN_BUFFER_END:
 418         case LFUN_BUFFER_END_SELECT:
 419                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 420                 if (cur.depth() == 1) {
 421                         needsUpdate = cursorBottom(cur);
 422                 } else {
 423                         cur.undispatched();
 424                 }
 425                 break;
 426
 427         case LFUN_CHAR_FORWARD:
 428         case LFUN_CHAR_FORWARD_SELECT:
 429                 //lyxerr << BOOST_CURRENT_FUNCTION
 430                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 431                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 432                 if (isRTL(cur.paragraph()))
 433                         needsUpdate = cursorLeft(cur);
 434                 else
 435                         needsUpdate = cursorRight(cur);
 436
 437                 if (!needsUpdate && oldTopSlice == cur.top()
 438                                 && cur.boundary() == oldBoundary) {
 439                         cur.undispatched();
 440                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 441                 }
 442                 break;
 443
 444         case LFUN_CHAR_BACKWARD:
 445         case LFUN_CHAR_BACKWARD_SELECT:
 446                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 447                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 448                 if (isRTL(cur.paragraph()))
 449                         needsUpdate = cursorRight(cur);
 450                 else
 451                         needsUpdate = cursorLeft(cur);
 452
 453                 if (!needsUpdate && oldTopSlice == cur.top()
 454                         && cur.boundary() == oldBoundary) {
 455                         cur.undispatched();
 456                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 457                 }
 458                 break;
 459
 460         case LFUN_UP:
 461         case LFUN_UP_SELECT:
 462                 update(cur);
 463                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 464                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 465
 466                 needsUpdate = cursorUp(cur);
 467                 if (!needsUpdate && oldTopSlice == cur.top()
 468                           && cur.boundary() == oldBoundary) {
 469                         cur.undispatched();
 470                         cmd = FuncRequest(LFUN_FINISHED_UP);
 471                 }
 472                 break;
 473
 474         case LFUN_DOWN:
 475         case LFUN_DOWN_SELECT:
 476                 update(cur);
 477                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 478                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 479                 needsUpdate = cursorDown(cur);
 480                 if (!needsUpdate && oldTopSlice == cur.top() &&
 481                     cur.boundary() == oldBoundary)
 482                 {
 483                         cur.undispatched();
 484                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 485                 }
 486                 break;
 487
 488         case LFUN_PARAGRAPH_UP:
 489         case LFUN_PARAGRAPH_UP_SELECT:
 490                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 491                 needsUpdate = cursorUpParagraph(cur);
 492                 break;
 493
 494         case LFUN_PARAGRAPH_DOWN:
 495         case LFUN_PARAGRAPH_DOWN_SELECT:
 496                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 497                 needsUpdate = cursorDownParagraph(cur);
 498                 break;
 499
 500         case LFUN_SCREEN_UP:
 501         case LFUN_SCREEN_UP_SELECT:
 502                 update(cur);
 503                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 504                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 505                         cur.undispatched();
 506                         cmd = FuncRequest(LFUN_FINISHED_UP);
 507                 } else {
 508                         needsUpdate = cursorPrevious(cur);
 509                 }
 510                 break;
 511
 512         case LFUN_SCREEN_DOWN:
 513         case LFUN_SCREEN_DOWN_SELECT:
 514                 update(cur);
 515                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 516                 if (cur.pit() == cur.lastpit()
 517                           && cur.textRow().endpos() == cur.lastpos()) {
 518                         cur.undispatched();
 519                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 520                 } else {
 521                         needsUpdate = cursorNext(cur);
 522                 }
 523                 break;
 524
 525         case LFUN_LINE_BEGIN:
 526         case LFUN_LINE_BEGIN_SELECT:
 527                 update(cur);
 528                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 529                 needsUpdate = cursorHome(cur);
 530                 break;
 531
 532         case LFUN_LINE_END:
 533         case LFUN_LINE_END_SELECT:
 534                 update(cur);
 535                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 536                 needsUpdate = cursorEnd(cur);
 537                 break;
 538
 539         case LFUN_WORD_FORWARD:
 540         case LFUN_WORD_FORWARD_SELECT:
 541                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 542                 if (isRTL(cur.paragraph()))
 543                         needsUpdate = cursorLeftOneWord(cur);
 544                 else
 545                         needsUpdate = cursorRightOneWord(cur);
 546                 break;
 547
 548         case LFUN_WORD_BACKWARD:
 549         case LFUN_WORD_BACKWARD_SELECT:
 550                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 551                 if (isRTL(cur.paragraph()))
 552                         needsUpdate = cursorRightOneWord(cur);
 553                 else
 554                         needsUpdate = cursorLeftOneWord(cur);
 555                 break;
 556
 557         case LFUN_WORD_SELECT: {
 558                 selectWord(cur, lyx::WHOLE_WORD);
 559                 finishChange(cur, true);
 560                 break;
 561         }
 562
 563         case LFUN_BREAK_LINE: {
 564                 // Not allowed by LaTeX (labels or empty par)
 565                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 566                         lyx::cap::replaceSelection(cur);
 567                         cur.insert(new InsetNewline);
 568                         cur.posRight();
 569                         moveCursor(cur, false);
 570                 }
 571                 break;
 572         }
 573
 574         case LFUN_CHAR_DELETE_FORWARD:
 575                 if (!cur.selection()) {
 576                         if (cur.pos() == cur.paragraph().size())
 577                                 // Par boundary, force full-screen update
 578                                 singleParUpdate = false;
 579                         needsUpdate = erase(cur);
 580                         cur.resetAnchor();
 581                         // It is possible to make it a lot faster still
 582                         // just comment out the line below...
 583                 } else {
 584                         cutSelection(cur, true, false);
 585                         singleParUpdate = false;
 586                 }
 587                 moveCursor(cur, false);
 588                 break;
 589
 590         case LFUN_DELETE_FORWARD_SKIP:
 591                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 592                 if (!cur.selection()) {
 593                         if (cur.pos() == cur.lastpos()) {
 594                                 cursorRight(cur);
 595                                 cursorLeft(cur);
 596                         }
 597                         erase(cur);
 598                         cur.resetAnchor();
 599                 } else {
 600                         cutSelection(cur, true, false);
 601                 }
 602                 break;
 603
 604
 605         case LFUN_CHAR_DELETE_BACKWARD:
 606                 if (!cur.selection()) {
 607                         if (bv->getIntl().getTransManager().backspace()) {
 608                                 // Par boundary, full-screen update
 609                                 if (cur.pos() == 0)
 610                                         singleParUpdate = false;
 611                                 needsUpdate = backspace(cur);
 612                                 cur.resetAnchor();
 613                                 // It is possible to make it a lot faster still
 614                                 // just comment out the line below...
 615                         }
 616                 } else {
 617                         cutSelection(cur, true, false);
 618                         singleParUpdate = false;
 619                 }
 620                 bv->switchKeyMap();
 621                 break;
 622
 623         case LFUN_DELETE_BACKWARD_SKIP:
 624                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 625                 if (!cur.selection()) {
 626 #ifdef WITH_WARNINGS
 627 #warning look here
 628 #endif
 629                         //CursorSlice cur = cursor();
 630                         backspace(cur);
 631                         //anchor() = cur;
 632                 } else {
 633                         cutSelection(cur, true, false);
 634                 }
 635                 break;
 636
 637         case LFUN_BREAK_PARAGRAPH:
 638                 lyx::cap::replaceSelection(cur);
 639                 breakParagraph(cur, 0);
 640                 cur.resetAnchor();
 641                 bv->switchKeyMap();
 642                 break;
 643
 644         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 645                 lyx::cap::replaceSelection(cur);
 646                 breakParagraph(cur, 1);
 647                 cur.resetAnchor();
 648                 bv->switchKeyMap();
 649                 break;
 650
 651         case LFUN_BREAK_PARAGRAPH_SKIP: {
 652                 // When at the beginning of a paragraph, remove
 653                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 654                 lyx::cap::replaceSelection(cur);
 655                 if (cur.pos() == 0)
 656                         cur.paragraph().params().labelWidthString(string());
 657                 else
 658                         breakParagraph(cur, 0);
 659                 cur.resetAnchor();
 660                 bv->switchKeyMap();
 661                 break;
 662         }
 663
 664         case LFUN_PARAGRAPH_SPACING: {
 665                 Paragraph & par = cur.paragraph();
 666                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 667                 string cur_value = "1.0";
 668                 if (cur_spacing == Spacing::Other)
 669                         cur_value = par.params().spacing().getValueAsString();
 670
 671                 istringstream is(lyx::to_utf8(cmd.argument()));
 672                 string tmp;
 673                 is >> tmp;
 674                 Spacing::Space new_spacing = cur_spacing;
 675                 string new_value = cur_value;
 676                 if (tmp.empty()) {
 677                         lyxerr << "Missing argument to `paragraph-spacing'"
 678                                << endl;
 679                 } else if (tmp == "single") {
 680                         new_spacing = Spacing::Single;
 681                 } else if (tmp == "onehalf") {
 682                         new_spacing = Spacing::Onehalf;
 683                 } else if (tmp == "double") {
 684                         new_spacing = Spacing::Double;
 685                 } else if (tmp == "other") {
 686                         new_spacing = Spacing::Other;
 687                         string tmpval = "0.0";
 688                         is >> tmpval;
 689                         lyxerr << "new_value = " << tmpval << endl;
 690                         if (tmpval != "0.0")
 691                                 new_value = tmpval;
 692                 } else if (tmp == "default") {
 693                         new_spacing = Spacing::Default;
 694                 } else {
 695                         lyxerr << lyx::to_utf8(_("Unknown spacing argument: "))
 696                                << lyx::to_utf8(cmd.argument()) << endl;
 697                 }
 698                 if (cur_spacing != new_spacing || cur_value != new_value)
 699                         par.params().spacing(Spacing(new_spacing, new_value));
 700                 break;
 701         }
 702
 703         case LFUN_INSET_INSERT: {
 704                 recordUndo(cur);
 705                 InsetBase * inset = createInset(bv, cmd);
 706                 if (inset) {
 707                         insertInset(cur, inset);
 708                         cur.posRight();
 709                 }
 710                 break;
 711         }
 712
 713         case LFUN_INSET_DISSOLVE:
 714                 needsUpdate = dissolveInset(cur);
 715                 break;
 716
 717         case LFUN_INSET_SETTINGS:
 718                 cur.inset().showInsetDialog(bv);
 719                 break;
 720
 721         case LFUN_SPACE_INSERT:
 722                 if (cur.paragraph().layout()->free_spacing)
 723                         insertChar(cur, ' ');
 724                 else {
 725                         doInsertInset(cur, this, cmd, false, false);
 726                         cur.posRight();
 727                 }
 728                 moveCursor(cur, false);
 729                 break;
 730
 731         case LFUN_HYPHENATION_POINT_INSERT:
 732                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 733                 break;
 734
 735         case LFUN_LIGATURE_BREAK_INSERT:
 736                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 737                 break;
 738
 739         case LFUN_DOTS_INSERT:
 740                 specialChar(cur, InsetSpecialChar::LDOTS);
 741                 break;
 742
 743         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 744                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 745                 break;
 746
 747         case LFUN_MENU_SEPARATOR_INSERT:
 748                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 749                 break;
 750
 751         case LFUN_WORD_UPCASE:
 752                 changeCase(cur, LyXText::text_uppercase);
 753                 break;
 754
 755         case LFUN_WORD_LOWCASE:
 756                 changeCase(cur, LyXText::text_lowercase);
 757                 break;
 758
 759         case LFUN_WORD_CAPITALIZE:
 760                 changeCase(cur, LyXText::text_capitalization);
 761                 break;
 762
 763         case LFUN_CHARS_TRANSPOSE:
 764                 recordUndo(cur);
 765                 break;
 766
 767         case LFUN_PASTE:
 768                 cur.message(_("Paste"));
 769                 lyx::cap::replaceSelection(cur);
 770                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 771                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 772                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 773                 else
 774                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 775                         0);
 776                 bv->buffer()->errors("Paste");
 777                 cur.clearSelection(); // bug 393
 778                 bv->switchKeyMap();
 779                 finishUndo();
 780                 break;
 781
 782         case LFUN_CUT:
 783                 cutSelection(cur, true, true);
 784                 cur.message(_("Cut"));
 785                 break;
 786
 787         case LFUN_COPY:
 788                 copySelection(cur);
 789                 cur.message(_("Copy"));
 790                 break;
 791
 792         case LFUN_SERVER_GET_XY:
 793                 cur.message(lyx::from_utf8(
 794                         convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 795                           + convert<string>(cursorY(cur.top(), cur.boundary()))));
 796                 break;
 797
 798         case LFUN_SERVER_SET_XY: {
 799                 int x = 0;
 800                 int y = 0;
 801                 istringstream is(lyx::to_utf8(cmd.argument()));
 802                 is >> x >> y;
 803                 if (!is)
 804                         lyxerr << "SETXY: Could not parse coordinates in '"
 805                                << lyx::to_utf8(cmd.argument()) << std::endl;
 806                 else
 807                         setCursorFromCoordinates(cur, x, y);
 808                 break;
 809         }
 810
 811         case LFUN_SERVER_GET_FONT:
 812                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 813                         cur.message(lyx::from_utf8("E"));
 814                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 815                         cur.message(lyx::from_utf8("N"));
 816                 else
 817                         cur.message(lyx::from_utf8("0"));
 818                 break;
 819
 820         case LFUN_SERVER_GET_LAYOUT:
 821                 cur.message(lyx::from_utf8(cur.paragraph().layout()->name()));
 822                 break;
 823
 824         case LFUN_LAYOUT: {
 825                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 826                   << lyx::to_utf8(cmd.argument()) << endl;
 827
 828                 // This is not the good solution to the empty argument
 829                 // problem, but it will hopefully suffice for 1.2.0.
 830                 // The correct solution would be to augument the
 831                 // function list/array with information about what
 832                 // functions needs arguments and their type.
 833                 if (cmd.argument().empty()) {
 834                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 835                         break;
 836                 }
 837
 838                 // Derive layout number from given argument (string)
 839                 // and current buffer's textclass (number)
 840                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 841                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 842                 string layout = lyx::to_utf8(cmd.argument());
 843
 844                 // If the entry is obsolete, use the new one instead.
 845                 if (hasLayout) {
 846                         string const & obs = tclass[layout]->obsoleted_by();
 847                         if (!obs.empty())
 848                                 layout = obs;
 849                 }
 850
 851                 if (!hasLayout) {
 852                         cur.errorMessage(lyx::from_utf8(N_("Layout ")) + cmd.argument() +
 853                                 lyx::from_utf8(N_(" not known")));
 854                         break;
 855                 }
 856
 857                 bool change_layout = (current_layout != layout);
 858
 859                 if (!change_layout && cur.selection() &&
 860                         cur.selBegin().pit() != cur.selEnd().pit())
 861                 {
 862                         pit_type spit = cur.selBegin().pit();
 863                         pit_type epit = cur.selEnd().pit() + 1;
 864                         while (spit != epit) {
 865                                 if (pars_[spit].layout()->name() != current_layout) {
 866                                         change_layout = true;
 867                                         break;
 868                                 }
 869                                 ++spit;
 870                         }
 871                 }
 872
 873                 if (change_layout) {
 874                         current_layout = layout;
 875                         setLayout(cur, layout);
 876                         // inform the GUI that the layout has changed.
 877                         bv->layoutChanged(layout);
 878                         bv->switchKeyMap();
 879                 }
 880                 break;
 881         }
 882
 883         case LFUN_CLIPBOARD_PASTE: {
 884                 cur.clearSelection();
 885                 docstring const clip = theApp->clipboard().get();
 886                 if (!clip.empty()) {
 887                         recordUndo(cur);
 888                         if (cmd.argument() == "paragraph")
 889                                 insertStringAsParagraphs(cur, clip);
 890                         else
 891                                 insertStringAsLines(cur, clip);
 892                 }
 893                 break;
 894         }
 895
 896         case LFUN_PRIMARY_SELECTION_PASTE: {
 897                 cur.clearSelection();
 898                 docstring const clip = theApp->selection().get();
 899                 if (!clip.empty()) {
 900                         recordUndo(cur);
 901                         if (cmd.argument() == "paragraph")
 902                                 insertStringAsParagraphs(cur, clip);
 903                         else
 904                                 insertStringAsLines(cur, clip);
 905                 }
 906                 break;
 907         }
 908
 909         case LFUN_QUOTE_INSERT: {
 910                 lyx::cap::replaceSelection(cur);
 911                 Paragraph & par = cur.paragraph();
 912                 lyx::pos_type pos = cur.pos();
 913                 lyx::char_type c;
 914                 if (pos == 0)
 915                         c = ' ';
 916                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 917                         c = ' ';
 918                 else
 919                         c = par.getChar(pos - 1);
 920
 921                 LyXLayout_ptr const & style = par.layout();
 922
 923                 BufferParams const & bufparams = bv->buffer()->params();
 924                 if (!style->pass_thru
 925                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 926                         string arg = lyx::to_utf8(cmd.argument());
 927                         if (arg == "single")
 928                                 cur.insert(new InsetQuotes(c,
 929                                     bufparams.quotes_language,
 930                                     InsetQuotes::SingleQ));
 931                         else
 932                                 cur.insert(new InsetQuotes(c,
 933                                     bufparams.quotes_language,
 934                                     InsetQuotes::DoubleQ));
 935                         cur.posRight();
 936                 }
 937                 else
 938                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 939                 break;
 940         }
 941
 942         case LFUN_DATE_INSERT:
 943                 if (cmd.argument().empty())
 944                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT,
 945                                 lyx::formatted_time(lyx::current_time())));
 946                 else
 947                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_SELF_INSERT,
 948                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 949                 break;
 950
 951         case LFUN_MOUSE_TRIPLE:
 952                 if (cmd.button() == mouse_button::button1) {
 953                         cursorHome(cur);
 954                         cur.resetAnchor();
 955                         cursorEnd(cur);
 956                         cur.setSelection();
 957                         bv->cursor() = cur;
 958                         theApp->selection().haveSelection(cur.selection());
 959                 }
 960                 break;
 961
 962         case LFUN_MOUSE_DOUBLE:
 963                 if (cmd.button() == mouse_button::button1) {
 964                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 965                         bv->cursor() = cur;
 966                         theApp->selection().haveSelection(cur.selection());
 967                 }
 968                 break;
 969
 970         // Single-click on work area
 971         case LFUN_MOUSE_PRESS: {
 972                 // Right click on a footnote flag opens float menu
 973                 if (cmd.button() == mouse_button::button3)
 974                         cur.clearSelection();
 975
 976                 // Middle button press pastes if we have a selection
 977                 // We do this here as if the selection was inside an inset
 978                 // it could get cleared on the unlocking of the inset so
 979                 // we have to check this first
 980                 bool paste_internally = false;
 981                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 982                         theApp->lyxFunc().dispatch(FuncRequest(LFUN_COPY));
 983                         paste_internally = true;
 984                 }
 985
 986                 bv->mouseSetCursor(cur);
 987
 988                 // Insert primary selection with middle mouse
 989                 // if there is a local selection in the current buffer,
 990                 // insert this
 991                 if (cmd.button() == mouse_button::button2) {
 992                         if (paste_internally)
 993                                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PASTE));
 994                         else
 995                                 theApp->lyxFunc().dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 996                 }
 997
 998                 break;
 999         }
1000
1001         case LFUN_MOUSE_MOTION: {
1002                 // Only use motion with button 1
1003                 //if (cmd.button() != mouse_button::button1)
1004                 //      return false;
1005
1006                 // ignore motions deeper nested than the real anchor
1007                 LCursor & bvcur = cur.bv().cursor();
1008                 if (bvcur.anchor_.hasPart(cur)) {
1009                         CursorSlice old = bvcur.top();
1010
1011                         int const wh = bv->workHeight();
1012                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1013
1014                         setCursorFromCoordinates(cur, cmd.x, y);
1015                         cur.x_target() = cmd.x;
1016                         if (cmd.y >= wh)
1017                                 cursorDown(cur);
1018                         else if (cmd.y < 0)
1019                                 cursorUp(cur);
1020                         // This is to allow jumping over large insets
1021                         if (cur.top() == old) {
1022                                 if (cmd.y >= wh)
1023                                         cursorDown(cur);
1024                                 else if (cmd.y < 0)
1025                                         cursorUp(cur);
1026                         }
1027
1028                         if (cur.top() == old)
1029                                 cur.noUpdate();
1030                         else {
1031                                 // don't set anchor_
1032                                 bvcur.setCursor(cur);
1033                                 bvcur.selection() = true;
1034                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1035                         }
1036
1037                 } else
1038                         cur.undispatched();
1039                 break;
1040         }
1041
1042         case LFUN_MOUSE_RELEASE: {
1043                 if (cmd.button() == mouse_button::button2)
1044                         break;
1045
1046                 // finish selection
1047                 if (cmd.button() == mouse_button::button1)
1048                         theApp->selection().haveSelection(cur.selection());
1049
1050                 bv->switchKeyMap();
1051                 break;
1052         }
1053
1054         case LFUN_SELF_INSERT: {
1055                 if (cmd.argument().empty())
1056                         break;
1057
1058                 // Automatically delete the currently selected
1059                 // text and replace it with what is being
1060                 // typed in now. Depends on lyxrc settings
1061                 // "auto_region_delete", which defaults to
1062                 // true (on).
1063
1064                 if (lyxrc.auto_region_delete) {
1065                         if (cur.selection())
1066                                 cutSelection(cur, false, false);
1067                         theApp->selection().haveSelection(false);
1068                 }
1069
1070                 cur.clearSelection();
1071                 LyXFont const old_font = real_current_font;
1072
1073                 docstring::const_iterator cit = cmd.argument().begin();
1074                 docstring::const_iterator end = cmd.argument().end();
1075                 for (; cit != end; ++cit)
1076 #if 0
1077                         bv->getIntl().getTransManager().
1078                                 translateAndInsert(*cit, this);
1079 #else
1080                         insertChar(bv->cursor(), *cit);
1081 #endif
1082
1083                 cur.resetAnchor();
1084                 moveCursor(cur, false);
1085                 break;
1086         }
1087
1088         case LFUN_URL_INSERT: {
1089                 InsetCommandParams p("url");
1090                 string const data = InsetCommandMailer::params2string("url", p);
1091                 bv->showInsetDialog("url", data, 0);
1092                 break;
1093         }
1094
1095         case LFUN_HTML_INSERT: {
1096                 InsetCommandParams p("htmlurl");
1097                 string const data = InsetCommandMailer::params2string("url", p);
1098                 bv->showInsetDialog("url", data, 0);
1099                 break;
1100         }
1101
1102         case LFUN_LABEL_INSERT: {
1103                 // Try to generate a valid label
1104                 string const contents = cmd.argument().empty() ?
1105                         cur.getPossibleLabel() : lyx::to_utf8(cmd.argument());
1106
1107                 InsetCommandParams p("label", contents);
1108                 string const data = InsetCommandMailer::params2string("label", p);
1109
1110                 if (cmd.argument().empty()) {
1111                         bv->showInsetDialog("label", data, 0);
1112                 } else {
1113                         FuncRequest fr(LFUN_INSET_INSERT, data);
1114                         dispatch(cur, fr);
1115                 }
1116                 break;
1117         }
1118
1119
1120 #if 0
1121         case LFUN_LIST_INSERT:
1122         case LFUN_THEOREM_INSERT:
1123         case LFUN_CAPTION_INSERT:
1124 #endif
1125         case LFUN_NOTE_INSERT:
1126         case LFUN_CHARSTYLE_INSERT:
1127         case LFUN_BOX_INSERT:
1128         case LFUN_BRANCH_INSERT:
1129         case LFUN_BIBITEM_INSERT:
1130         case LFUN_ERT_INSERT:
1131         case LFUN_FOOTNOTE_INSERT:
1132         case LFUN_MARGINALNOTE_INSERT:
1133         case LFUN_OPTIONAL_INSERT:
1134         case LFUN_ENVIRONMENT_INSERT:
1135                 // Open the inset, and move the current selection
1136                 // inside it.
1137                 doInsertInset(cur, this, cmd, true, true);
1138                 cur.posRight();
1139                 break;
1140
1141         case LFUN_TABULAR_INSERT:
1142                 // if there were no arguments, just open the dialog
1143                 if (doInsertInset(cur, this, cmd, false, true))
1144                         cur.posRight();
1145                 else
1146                         bv->showDialog("tabularcreate");
1147
1148                 break;
1149
1150         case LFUN_FLOAT_INSERT:
1151         case LFUN_FLOAT_WIDE_INSERT:
1152         case LFUN_WRAP_INSERT:
1153                 doInsertInset(cur, this, cmd, true, true);
1154                 cur.posRight();
1155                 // FIXME: the "Caption" name should not be hardcoded,
1156                 // but given by the float definition.
1157                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1158                 break;
1159
1160         case LFUN_INDEX_INSERT: {
1161                 InsetBase * inset = createInset(&cur.bv(), cmd);
1162                 if (!inset)
1163                         break;
1164
1165                 recordUndo(cur);
1166                 cur.clearSelection();
1167                 insertInset(cur, inset);
1168                 inset->edit(cur, true);
1169                 cur.posRight();
1170                 break;
1171         }
1172
1173         case LFUN_INDEX_PRINT:
1174         case LFUN_TOC_INSERT:
1175         case LFUN_HFILL_INSERT:
1176         case LFUN_LINE_INSERT:
1177         case LFUN_PAGEBREAK_INSERT:
1178                 // do nothing fancy
1179                 doInsertInset(cur, this, cmd, false, false);
1180                 cur.posRight();
1181                 break;
1182
1183         case LFUN_DEPTH_DECREMENT:
1184                 changeDepth(cur, DEC_DEPTH);
1185                 break;
1186
1187         case LFUN_DEPTH_INCREMENT:
1188                 changeDepth(cur, INC_DEPTH);
1189                 break;
1190
1191         case LFUN_MATH_DISPLAY:
1192                 mathDispatch(cur, cmd, true);
1193                 break;
1194
1195         case LFUN_MATH_IMPORT_SELECTION:
1196         case LFUN_MATH_MODE:
1197                 if (cmd.argument() == "on")
1198                         // don't pass "on" as argument
1199                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1200                 else
1201                         mathDispatch(cur, cmd, false);
1202                 break;
1203
1204         case LFUN_MATH_MACRO:
1205                 if (cmd.argument().empty())
1206                         cur.errorMessage(lyx::from_utf8(N_("Missing argument")));
1207                 else {
1208                         string s = lyx::to_utf8(cmd.argument());
1209                         string const s1 = token(s, ' ', 1);
1210                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1211                         string const s2 = token(s, ' ', 2);
1212                         string const type = s2.empty() ? "newcommand" : s2;
1213                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1214                         //cur.nextInset()->edit(cur, true);
1215                 }
1216                 break;
1217
1218         // passthrough hat and underscore outside mathed:
1219         case LFUN_MATH_SUBSCRIPT:
1220                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1221                 break;
1222         case LFUN_MATH_SUPERSCRIPT:
1223                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1224                 break;
1225
1226         case LFUN_MATH_INSERT:
1227         case LFUN_MATH_MATRIX:
1228         case LFUN_MATH_DELIM:
1229         case LFUN_MATH_BIGDELIM: {
1230                 cur.insert(new InsetMathHull(hullSimple));
1231                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1232                 cur.dispatch(cmd);
1233                 break;
1234         }
1235
1236         case LFUN_FONT_EMPH: {
1237                 LyXFont font(LyXFont::ALL_IGNORE);
1238                 font.setEmph(LyXFont::TOGGLE);
1239                 toggleAndShow(cur, this, font);
1240                 break;
1241         }
1242
1243         case LFUN_FONT_BOLD: {
1244                 LyXFont font(LyXFont::ALL_IGNORE);
1245                 font.setSeries(LyXFont::BOLD_SERIES);
1246                 toggleAndShow(cur, this, font);
1247                 break;
1248         }
1249
1250         case LFUN_FONT_NOUN: {
1251                 LyXFont font(LyXFont::ALL_IGNORE);
1252                 font.setNoun(LyXFont::TOGGLE);
1253                 toggleAndShow(cur, this, font);
1254                 break;
1255         }
1256
1257         case LFUN_FONT_CODE: {
1258                 LyXFont font(LyXFont::ALL_IGNORE);
1259                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1260                 toggleAndShow(cur, this, font);
1261                 break;
1262         }
1263
1264         case LFUN_FONT_SANS: {
1265                 LyXFont font(LyXFont::ALL_IGNORE);
1266                 font.setFamily(LyXFont::SANS_FAMILY);
1267                 toggleAndShow(cur, this, font);
1268                 break;
1269         }
1270
1271         case LFUN_FONT_ROMAN: {
1272                 LyXFont font(LyXFont::ALL_IGNORE);
1273                 font.setFamily(LyXFont::ROMAN_FAMILY);
1274                 toggleAndShow(cur, this, font);
1275                 break;
1276         }
1277
1278         case LFUN_FONT_DEFAULT: {
1279                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1280                 toggleAndShow(cur, this, font);
1281                 break;
1282         }
1283
1284         case LFUN_FONT_UNDERLINE: {
1285                 LyXFont font(LyXFont::ALL_IGNORE);
1286                 font.setUnderbar(LyXFont::TOGGLE);
1287                 toggleAndShow(cur, this, font);
1288                 break;
1289         }
1290
1291         case LFUN_FONT_SIZE: {
1292                 LyXFont font(LyXFont::ALL_IGNORE);
1293                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1294                 toggleAndShow(cur, this, font);
1295                 break;
1296         }
1297
1298         case LFUN_LANGUAGE: {
1299                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1300                 if (!lang)
1301                         break;
1302                 LyXFont font(LyXFont::ALL_IGNORE);
1303                 font.setLanguage(lang);
1304                 toggleAndShow(cur, this, font);
1305                 bv->switchKeyMap();
1306                 break;
1307         }
1308
1309         case LFUN_FONT_FREE_APPLY:
1310                 toggleAndShow(cur, this, freefont, toggleall);
1311                 cur.message(_("Character set"));
1312                 break;
1313
1314         // Set the freefont using the contents of \param data dispatched from
1315         // the frontends and apply it at the current cursor location.
1316         case LFUN_FONT_FREE_UPDATE: {
1317                 LyXFont font;
1318                 bool toggle;
1319                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1320                         freefont = font;
1321                         toggleall = toggle;
1322                         toggleAndShow(cur, this, freefont, toggleall);
1323                         cur.message(_("Character set"));
1324                 }
1325                 break;
1326         }
1327
1328         case LFUN_FINISHED_LEFT:
1329                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1330                 break;
1331
1332         case LFUN_FINISHED_RIGHT:
1333                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1334                 ++cur.pos();
1335                 break;
1336
1337         case LFUN_FINISHED_UP:
1338                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1339                 cursorUp(cur);
1340                 break;
1341
1342         case LFUN_FINISHED_DOWN:
1343                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1344                 cursorDown(cur);
1345                 break;
1346
1347         case LFUN_LAYOUT_PARAGRAPH: {
1348                 string data;
1349                 params2string(cur.paragraph(), data);
1350                 data = "show\n" + data;
1351                 bv->showDialogWithData("paragraph", data);
1352                 break;
1353         }
1354
1355         case LFUN_PARAGRAPH_UPDATE: {
1356                 string data;
1357                 params2string(cur.paragraph(), data);
1358
1359                 // Will the paragraph accept changes from the dialog?
1360                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1361
1362                 data = "update " + convert<string>(accept) + '\n' + data;
1363                 bv->updateDialog("paragraph", data);
1364                 break;
1365         }
1366
1367         case LFUN_ACCENT_UMLAUT:
1368         case LFUN_ACCENT_CIRCUMFLEX:
1369         case LFUN_ACCENT_GRAVE:
1370         case LFUN_ACCENT_ACUTE:
1371         case LFUN_ACCENT_TILDE:
1372         case LFUN_ACCENT_CEDILLA:
1373         case LFUN_ACCENT_MACRON:
1374         case LFUN_ACCENT_DOT:
1375         case LFUN_ACCENT_UNDERDOT:
1376         case LFUN_ACCENT_UNDERBAR:
1377         case LFUN_ACCENT_CARON:
1378         case LFUN_ACCENT_SPECIAL_CARON:
1379         case LFUN_ACCENT_BREVE:
1380         case LFUN_ACCENT_TIE:
1381         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1382         case LFUN_ACCENT_CIRCLE:
1383         case LFUN_ACCENT_OGONEK:
1384                 theApp->lyxFunc().handleKeyFunc(cmd.action);
1385                 if (!cmd.argument().empty())
1386                         // FIXME: Are all these characters encoded in one byte in utf8?
1387                         bv->getIntl().getTransManager()
1388                                 .translateAndInsert(cmd.argument()[0], this);
1389                 break;
1390
1391         case LFUN_FLOAT_LIST: {
1392                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1393                 if (tclass.floats().typeExist(lyx::to_utf8(cmd.argument()))) {
1394                         // not quite sure if we want this...
1395                         recordUndo(cur);
1396                         cur.clearSelection();
1397                         breakParagraph(cur);
1398
1399                         if (cur.lastpos() != 0) {
1400                                 cursorLeft(cur);
1401                                 breakParagraph(cur);
1402                         }
1403
1404                         setLayout(cur, tclass.defaultLayoutName());
1405                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1406                         insertInset(cur, new InsetFloatList(lyx::to_utf8(cmd.argument())));
1407                         cur.posRight();
1408                 } else {
1409                         lyxerr << "Non-existent float type: "
1410                                << lyx::to_utf8(cmd.argument()) << endl;
1411                 }
1412                 break;
1413         }
1414
1415         case LFUN_CHANGE_ACCEPT: {
1416                 acceptChange(cur);
1417                 break;
1418         }
1419
1420         case LFUN_CHANGE_REJECT: {
1421                 rejectChange(cur);
1422                 break;
1423         }
1424
1425         case LFUN_THESAURUS_ENTRY: {
1426                 docstring arg = cmd.argument();
1427                 if (arg.empty()) {
1428                         arg = cur.selectionAsString(false);
1429                         // FIXME
1430                         if (arg.size() > 100 || arg.empty()) {
1431                                 // Get word or selection
1432                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1433                                 arg = cur.selectionAsString(false);
1434                         }
1435                 }
1436                 bv->showDialogWithData("thesaurus", lyx::to_utf8(arg));
1437                 break;
1438         }
1439
1440         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1441                 // Given data, an encoding of the ParagraphParameters
1442                 // generated in the Paragraph dialog, this function sets
1443                 // the current paragraph appropriately.
1444                 istringstream is(lyx::to_utf8(cmd.argument()));
1445                 LyXLex lex(0, 0);
1446                 lex.setStream(is);
1447                 ParagraphParameters params;
1448                 params.read(lex);
1449                 setParagraph(cur,
1450                                          params.spacing(),
1451                                          params.align(),
1452                                          params.labelWidthString(),
1453                                          params.noindent());
1454                 cur.message(_("Paragraph layout set"));
1455                 break;
1456         }
1457
1458         case LFUN_ESCAPE:
1459                 if (cur.selection()) {
1460                         cur.selection() = false;
1461                 } else {
1462                         cur.undispatched();
1463                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1464                 }
1465                 break;
1466
1467         default:
1468                 lyxerr[Debug::ACTION]
1469                         << BOOST_CURRENT_FUNCTION
1470                         << ": Command " << cmd
1471                         << " not DISPATCHED by LyXText" << endl;
1472                 cur.undispatched();
1473                 break;
1474         }
1475
1476         if (singleParUpdate)
1477                 // Inserting characters does not change par height
1478                 if (cur.bottom().paragraph().dim().height()
1479                     == olddim.height()) {
1480                         // if so, update _only_ this paragraph
1481                         cur.bv().update(Update::SinglePar |
1482                                         Update::FitCursor |
1483                                         Update::MultiParSel);
1484                         cur.noUpdate();
1485                         return;
1486                 } else
1487                         needsUpdate = true;
1488         if (!needsUpdate
1489             && &oldTopSlice.inset() == &cur.inset()
1490             && oldTopSlice.idx() == cur.idx()
1491             && !sel
1492             && !cur.selection())
1493                 cur.noUpdate();
1494         else
1495                 cur.needsUpdate();
1496 }
1497
1498
1499 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1500                         FuncStatus & flag) const
1501 {
1502         BOOST_ASSERT(cur.text() == this);
1503
1504         LyXFont const & font = real_current_font;
1505         bool enable = true;
1506         InsetBase::Code code = InsetBase::NO_CODE;
1507
1508         switch (cmd.action) {
1509
1510         case LFUN_DEPTH_DECREMENT:
1511                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1512                 break;
1513
1514         case LFUN_DEPTH_INCREMENT:
1515                 enable = changeDepthAllowed(cur, INC_DEPTH);
1516                 break;
1517
1518         case LFUN_APPENDIX:
1519                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1520                 return true;
1521
1522         case LFUN_BIBITEM_INSERT:
1523                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1524                 break;
1525
1526         case LFUN_DIALOG_SHOW_NEW_INSET:
1527                 if (cmd.argument() == "bibitem")
1528                         code = InsetBase::BIBITEM_CODE;
1529                 else if (cmd.argument() == "bibtex")
1530                         code = InsetBase::BIBTEX_CODE;
1531                 else if (cmd.argument() == "box")
1532                         code = InsetBase::BOX_CODE;
1533                 else if (cmd.argument() == "branch")
1534                         code = InsetBase::BRANCH_CODE;
1535                 else if (cmd.argument() == "citation")
1536                         code = InsetBase::CITE_CODE;
1537                 else if (cmd.argument() == "ert")
1538                         code = InsetBase::ERT_CODE;
1539                 else if (cmd.argument() == "external")
1540                         code = InsetBase::EXTERNAL_CODE;
1541                 else if (cmd.argument() == "float")
1542                         code = InsetBase::FLOAT_CODE;
1543                 else if (cmd.argument() == "graphics")
1544                         code = InsetBase::GRAPHICS_CODE;
1545                 else if (cmd.argument() == "include")
1546                         code = InsetBase::INCLUDE_CODE;
1547                 else if (cmd.argument() == "index")
1548                         code = InsetBase::INDEX_CODE;
1549                 else if (cmd.argument() == "label")
1550                         code = InsetBase::LABEL_CODE;
1551                 else if (cmd.argument() == "note")
1552                         code = InsetBase::NOTE_CODE;
1553                 else if (cmd.argument() == "ref")
1554                         code = InsetBase::REF_CODE;
1555                 else if (cmd.argument() == "toc")
1556                         code = InsetBase::TOC_CODE;
1557                 else if (cmd.argument() == "url")
1558                         code = InsetBase::URL_CODE;
1559                 else if (cmd.argument() == "vspace")
1560                         code = InsetBase::VSPACE_CODE;
1561                 else if (cmd.argument() == "wrap")
1562                         code = InsetBase::WRAP_CODE;
1563                 break;
1564
1565         case LFUN_ERT_INSERT:
1566                 code = InsetBase::ERT_CODE;
1567                 break;
1568         case LFUN_FOOTNOTE_INSERT:
1569                 code = InsetBase::FOOT_CODE;
1570                 break;
1571         case LFUN_TABULAR_INSERT:
1572                 code = InsetBase::TABULAR_CODE;
1573                 break;
1574         case LFUN_MARGINALNOTE_INSERT:
1575                 code = InsetBase::MARGIN_CODE;
1576                 break;
1577         case LFUN_FLOAT_INSERT:
1578         case LFUN_FLOAT_WIDE_INSERT:
1579                 code = InsetBase::FLOAT_CODE;
1580                 break;
1581         case LFUN_WRAP_INSERT:
1582                 code = InsetBase::WRAP_CODE;
1583                 break;
1584         case LFUN_FLOAT_LIST:
1585                 code = InsetBase::FLOAT_LIST_CODE;
1586                 break;
1587 #if 0
1588         case LFUN_LIST_INSERT:
1589                 code = InsetBase::LIST_CODE;
1590                 break;
1591         case LFUN_THEOREM_INSERT:
1592                 code = InsetBase::THEOREM_CODE;
1593                 break;
1594 #endif
1595         case LFUN_CAPTION_INSERT:
1596                 code = InsetBase::CAPTION_CODE;
1597                 break;
1598         case LFUN_NOTE_INSERT:
1599                 code = InsetBase::NOTE_CODE;
1600                 break;
1601         case LFUN_CHARSTYLE_INSERT:
1602                 code = InsetBase::CHARSTYLE_CODE;
1603                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1604                         enable = false;
1605                 break;
1606         case LFUN_BOX_INSERT:
1607                 code = InsetBase::BOX_CODE;
1608                 break;
1609         case LFUN_BRANCH_INSERT:
1610                 code = InsetBase::BRANCH_CODE;
1611                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1612                         enable = false;
1613                 break;
1614         case LFUN_LABEL_INSERT:
1615                 code = InsetBase::LABEL_CODE;
1616                 break;
1617         case LFUN_OPTIONAL_INSERT:
1618                 code = InsetBase::OPTARG_CODE;
1619                 enable = numberOfOptArgs(cur.paragraph())
1620                         < cur.paragraph().layout()->optionalargs;
1621                 break;
1622         case LFUN_ENVIRONMENT_INSERT:
1623                 code = InsetBase::BOX_CODE;
1624                 break;
1625         case LFUN_INDEX_INSERT:
1626                 code = InsetBase::INDEX_CODE;
1627                 break;
1628         case LFUN_INDEX_PRINT:
1629                 code = InsetBase::INDEX_PRINT_CODE;
1630                 break;
1631         case LFUN_TOC_INSERT:
1632                 code = InsetBase::TOC_CODE;
1633                 break;
1634         case LFUN_HTML_INSERT:
1635         case LFUN_URL_INSERT:
1636                 code = InsetBase::URL_CODE;
1637                 break;
1638         case LFUN_QUOTE_INSERT:
1639                 // always allow this, since we will inset a raw quote
1640                 // if an inset is not allowed.
1641                 break;
1642         case LFUN_HYPHENATION_POINT_INSERT:
1643         case LFUN_LIGATURE_BREAK_INSERT:
1644         case LFUN_HFILL_INSERT:
1645         case LFUN_MENU_SEPARATOR_INSERT:
1646         case LFUN_DOTS_INSERT:
1647         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1648                 code = InsetBase::SPECIALCHAR_CODE;
1649                 break;
1650         case LFUN_SPACE_INSERT:
1651                 // slight hack: we know this is allowed in math mode
1652                 if (cur.inTexted())
1653                         code = InsetBase::SPACE_CODE;
1654                 break;
1655
1656         case LFUN_INSET_MODIFY:
1657                 // We need to disable this, because we may get called for a
1658                 // tabular cell via
1659                 // InsetTabular::getStatus() -> InsetText::getStatus()
1660                 // and we don't handle LFUN_INSET_MODIFY.
1661                 enable = false;
1662                 break;
1663
1664         case LFUN_FONT_EMPH:
1665                 flag.setOnOff(font.emph() == LyXFont::ON);
1666                 return true;
1667
1668         case LFUN_FONT_NOUN:
1669                 flag.setOnOff(font.noun() == LyXFont::ON);
1670                 return true;
1671
1672         case LFUN_FONT_BOLD:
1673                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1674                 return true;
1675
1676         case LFUN_FONT_SANS:
1677                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1678                 return true;
1679
1680         case LFUN_FONT_ROMAN:
1681                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1682                 return true;
1683
1684         case LFUN_FONT_CODE:
1685                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1686                 return true;
1687
1688         case LFUN_CUT:
1689         case LFUN_COPY:
1690                 enable = cur.selection();
1691                 break;
1692
1693         case LFUN_PASTE:
1694                 enable = lyx::cap::numberOfSelections() > 0;
1695                 break;
1696
1697         case LFUN_PARAGRAPH_MOVE_UP:
1698                 enable = cur.pit() > 0 && !cur.selection();
1699                 break;
1700
1701         case LFUN_PARAGRAPH_MOVE_DOWN:
1702                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1703                 break;
1704
1705         case LFUN_INSET_DISSOLVE:
1706                 enable = !isMainText() && cur.inset().nargs() == 1;
1707                 break;
1708
1709         case LFUN_CHANGE_ACCEPT:
1710         case LFUN_CHANGE_REJECT:
1711                 enable = cur.buffer().params().tracking_changes;
1712                 break;
1713
1714         case LFUN_WORD_DELETE_FORWARD:
1715         case LFUN_WORD_DELETE_BACKWARD:
1716         case LFUN_LINE_DELETE:
1717         case LFUN_WORD_FORWARD:
1718         case LFUN_WORD_BACKWARD:
1719         case LFUN_CHAR_FORWARD:
1720         case LFUN_CHAR_FORWARD_SELECT:
1721         case LFUN_CHAR_BACKWARD:
1722         case LFUN_CHAR_BACKWARD_SELECT:
1723         case LFUN_UP:
1724         case LFUN_UP_SELECT:
1725         case LFUN_DOWN:
1726         case LFUN_DOWN_SELECT:
1727         case LFUN_PARAGRAPH_UP_SELECT:
1728         case LFUN_PARAGRAPH_DOWN_SELECT:
1729         case LFUN_SCREEN_UP_SELECT:
1730         case LFUN_SCREEN_DOWN_SELECT:
1731         case LFUN_LINE_BEGIN_SELECT:
1732         case LFUN_LINE_END_SELECT:
1733         case LFUN_WORD_FORWARD_SELECT:
1734         case LFUN_WORD_BACKWARD_SELECT:
1735         case LFUN_WORD_SELECT:
1736         case LFUN_PARAGRAPH_UP:
1737         case LFUN_PARAGRAPH_DOWN:
1738         case LFUN_SCREEN_UP:
1739         case LFUN_SCREEN_DOWN:
1740         case LFUN_LINE_BEGIN:
1741         case LFUN_LINE_END:
1742         case LFUN_BREAK_LINE:
1743         case LFUN_CHAR_DELETE_FORWARD:
1744         case LFUN_DELETE_FORWARD_SKIP:
1745         case LFUN_CHAR_DELETE_BACKWARD:
1746         case LFUN_DELETE_BACKWARD_SKIP:
1747         case LFUN_BREAK_PARAGRAPH:
1748         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1749         case LFUN_BREAK_PARAGRAPH_SKIP:
1750         case LFUN_PARAGRAPH_SPACING:
1751         case LFUN_INSET_INSERT:
1752         case LFUN_WORD_UPCASE:
1753         case LFUN_WORD_LOWCASE:
1754         case LFUN_WORD_CAPITALIZE:
1755         case LFUN_CHARS_TRANSPOSE:
1756         case LFUN_SERVER_GET_XY:
1757         case LFUN_SERVER_SET_XY:
1758         case LFUN_SERVER_GET_FONT:
1759         case LFUN_SERVER_GET_LAYOUT:
1760         case LFUN_LAYOUT:
1761         case LFUN_CLIPBOARD_PASTE:
1762         case LFUN_PRIMARY_SELECTION_PASTE:
1763         case LFUN_DATE_INSERT:
1764         case LFUN_SELF_INSERT:
1765         case LFUN_LINE_INSERT:
1766         case LFUN_PAGEBREAK_INSERT:
1767         case LFUN_MATH_DISPLAY:
1768         case LFUN_MATH_IMPORT_SELECTION:
1769         case LFUN_MATH_MODE:
1770         case LFUN_MATH_MACRO:
1771         case LFUN_MATH_MATRIX:
1772         case LFUN_MATH_DELIM:
1773         case LFUN_MATH_BIGDELIM:
1774         case LFUN_MATH_SUBSCRIPT:
1775         case LFUN_MATH_SUPERSCRIPT:
1776         case LFUN_FONT_DEFAULT:
1777         case LFUN_FONT_UNDERLINE:
1778         case LFUN_FONT_SIZE:
1779         case LFUN_LANGUAGE:
1780         case LFUN_FONT_FREE_APPLY:
1781         case LFUN_FONT_FREE_UPDATE:
1782         case LFUN_LAYOUT_PARAGRAPH:
1783         case LFUN_PARAGRAPH_UPDATE:
1784         case LFUN_ACCENT_UMLAUT:
1785         case LFUN_ACCENT_CIRCUMFLEX:
1786         case LFUN_ACCENT_GRAVE:
1787         case LFUN_ACCENT_ACUTE:
1788         case LFUN_ACCENT_TILDE:
1789         case LFUN_ACCENT_CEDILLA:
1790         case LFUN_ACCENT_MACRON:
1791         case LFUN_ACCENT_DOT:
1792         case LFUN_ACCENT_UNDERDOT:
1793         case LFUN_ACCENT_UNDERBAR:
1794         case LFUN_ACCENT_CARON:
1795         case LFUN_ACCENT_SPECIAL_CARON:
1796         case LFUN_ACCENT_BREVE:
1797         case LFUN_ACCENT_TIE:
1798         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1799         case LFUN_ACCENT_CIRCLE:
1800         case LFUN_ACCENT_OGONEK:
1801         case LFUN_THESAURUS_ENTRY:
1802         case LFUN_PARAGRAPH_PARAMS_APPLY:
1803         case LFUN_ESCAPE:
1804         case LFUN_BUFFER_END:
1805         case LFUN_BUFFER_BEGIN:
1806         case LFUN_BUFFER_BEGIN_SELECT:
1807         case LFUN_BUFFER_END_SELECT:
1808                 // these are handled in our dispatch()
1809                 enable = true;
1810                 break;
1811
1812         default:
1813                 return false;
1814         }
1815
1816         if (code != InsetBase::NO_CODE
1817             && (cur.empty() || !cur.inset().insetAllowed(code)))
1818                 enable = false;
1819
1820         flag.enabled(enable);
1821         return true;
1822 }