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/Dialogs.h"
  51 #include "frontends/Gui.h"
  52 #include "frontends/LyXView.h"
  53 #include "frontends/Clipboard.h"
  54 #include "frontends/Selection.h"
  55
  56 #include "insets/insetcommand.h"
  57 #include "insets/insetfloatlist.h"
  58 #include "insets/insetnewline.h"
  59 #include "insets/insetquotes.h"
  60 #include "insets/insetspecialchar.h"
  61 #include "insets/insettext.h"
  62
  63 #include "support/lstrings.h"
  64 #include "support/lyxlib.h"
  65 #include "support/convert.h"
  66 #include "support/lyxtime.h"
  67
  68 #include "mathed/math_hullinset.h"
  69 #include "mathed/math_macrotemplate.h"
  70
  71 #include <boost/current_function.hpp>
  72
  73 #include <clocale>
  74 #include <sstream>
  75
  76 using lyx::char_type;
  77 using lyx::docstring;
  78 using lyx::pos_type;
  79
  80 using lyx::cap::copySelection;
  81 using lyx::cap::cutSelection;
  82 using lyx::cap::pasteParagraphList;
  83 using lyx::cap::pasteSelection;
  84 using lyx::cap::replaceSelection;
  85
  86 using lyx::support::isStrUnsignedInt;
  87 using lyx::support::token;
  88
  89 using lyx::frontend::Gui;
  90 using lyx::frontend::Clipboard;
  91
  92 using std::endl;
  93 using std::string;
  94 using std::istringstream;
  95 using std::ostringstream;
  96
  97
  98 extern string current_layout;
  99
 100
 101 namespace {
 102
 103         // globals...
 104         LyXFont freefont(LyXFont::ALL_IGNORE);
 105         bool toggleall = false;
 106
 107
 108         void toggleAndShow(LCursor & cur, LyXText * text,
 109                 LyXFont const & font, bool toggleall = true)
 110         {
 111                 text->toggleFree(cur, font, toggleall);
 112
 113                 if (font.language() != ignore_language ||
 114                                 font.number() != LyXFont::IGNORE) {
 115                         Paragraph & par = cur.paragraph();
 116                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 117                         if (cur.boundary() !=
 118                                         text->bidi.isBoundary(cur.buffer(), par,
 119                                                         cur.pos(),
 120                                                         text->real_current_font))
 121                                 text->setCursor(cur, cur.pit(), cur.pos(),
 122                                                 false, !cur.boundary());
 123                 }
 124         }
 125
 126
 127         void moveCursor(LCursor & cur, bool selecting)
 128         {
 129                 if (selecting || cur.mark())
 130                         cur.setSelection();
 131                 if (!cur.selection())
 132                         cur.bv().owner()->gui().selection().haveSelection(false);
 133                 cur.bv().switchKeyMap();
 134         }
 135
 136
 137         void finishChange(LCursor & cur, bool selecting)
 138         {
 139                 finishUndo();
 140                 moveCursor(cur, selecting);
 141         }
 142
 143
 144         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 145         {
 146                 recordUndo(cur);
 147                 string sel = cur.selectionAsString(false);
 148                 //lyxerr << "selection is: '" << sel << "'" << endl;
 149
 150                 // It may happen that sel is empty but there is a selection
 151                 replaceSelection(cur);
 152
 153                 if (sel.empty()) {
 154                         const int old_pos = cur.pos();
 155                         cur.insert(new MathHullInset("simple"));
 156                         BOOST_ASSERT(old_pos == cur.pos());
 157                         cur.nextInset()->edit(cur, true);
 158                         // don't do that also for LFUN_MATH_MODE
 159                         // unless you want end up with always changing
 160                         // to mathrm when opening an inlined inset --
 161                         // I really hate "LyXfunc overloading"...
 162                         if (display)
 163                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 164                         // Avoid an unnecessary undo step if cmd.argument
 165                         // is empty
 166                         if (!cmd.argument().empty())
 167                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 168                                                          cmd.argument()));
 169                 } else {
 170                         // create a macro if we see "\\newcommand"
 171                         // somewhere, and an ordinary formula
 172                         // otherwise
 173                         istringstream is(sel);
 174                         if (sel.find("\\newcommand") == string::npos
 175                             && sel.find("\\def") == string::npos)
 176                         {
 177                                 MathHullInset * formula = new MathHullInset;
 178                                 LyXLex lex(0, 0);
 179                                 lex.setStream(is);
 180                                 formula->read(cur.buffer(), lex);
 181                                 if (formula->getType() == "none")
 182                                         // Don't create pseudo formulas if
 183                                         // delimiters are left out
 184                                         formula->mutate("simple");
 185                                 cur.insert(formula);
 186                         } else
 187                                 cur.insert(new MathMacroTemplate(is));
 188                 }
 189                 cur.message(N_("Math editor mode"));
 190         }
 191
 192 } // namespace anon
 193
 194
 195
 196 namespace bv_funcs {
 197
 198 string const freefont2string()
 199 {
 200         string data;
 201         if (font2string(freefont, toggleall, data))
 202                 return data;
 203         return string();
 204 }
 205
 206 }
 207
 208 bool LyXText::cursorPrevious(LCursor & cur)
 209 {
 210         pos_type cpos = cur.pos();
 211         lyx::pit_type cpar = cur.pit();
 212
 213         int x = cur.x_target();
 214
 215         bool updated = setCursorFromCoordinates(cur, x, 0);
 216         if (updated)
 217                 cur.bv().update();
 218         updated |= cursorUp(cur);
 219
 220         if (cpar == cur.pit() && cpos == cur.pos()) {
 221                 // we have a row which is taller than the workarea. The
 222                 // simplest solution is to move to the previous row instead.
 223                 updated |= cursorUp(cur);
 224         }
 225
 226         finishUndo();
 227         return updated;
 228 }
 229
 230
 231 bool LyXText::cursorNext(LCursor & cur)
 232 {
 233         pos_type cpos = cur.pos();
 234         lyx::pit_type cpar = cur.pit();
 235
 236         int x = cur.x_target();
 237         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 238         if (updated)
 239                 cur.bv().update();
 240         updated |= cursorDown(cur);
 241
 242         if (cpar == cur.pit() && cpos == cur.pos()) {
 243                 // we have a row which is taller than the workarea. The
 244                 // simplest solution is to move to the next row instead.
 245                 updated |= cursorDown(cur);
 246         }
 247
 248         finishUndo();
 249         return updated;
 250 }
 251
 252
 253 namespace {
 254
 255 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 256 {
 257         lyx::cap::replaceSelection(cur);
 258         cur.insert(new InsetSpecialChar(kind));
 259         cur.posRight();
 260 }
 261
 262
 263 bool doInsertInset(LCursor & cur, LyXText * text,
 264         FuncRequest const & cmd, bool edit, bool pastesel)
 265 {
 266         InsetBase * inset = createInset(&cur.bv(), cmd);
 267         if (!inset)
 268                 return false;
 269
 270         recordUndo(cur);
 271         bool gotsel = false;
 272         if (cur.selection()) {
 273                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 274                 gotsel = true;
 275         }
 276         text->insertInset(cur, inset);
 277
 278         if (edit)
 279                 inset->edit(cur, true);
 280
 281         if (gotsel && pastesel)
 282                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 283         return true;
 284 }
 285
 286
 287 void update(LCursor & cur)
 288 {
 289         //we don't call update(true, false) directly to save a metrics call
 290         if (cur.bv().fitCursor())
 291                 cur.bv().update(Update::Force);
 292 }
 293
 294
 295 } // anon namespace
 296
 297
 298 void LyXText::number(LCursor & cur)
 299 {
 300         LyXFont font(LyXFont::ALL_IGNORE);
 301         font.setNumber(LyXFont::TOGGLE);
 302         toggleAndShow(cur, this, font);
 303 }
 304
 305
 306 bool LyXText::isRTL(Paragraph const & par) const
 307 {
 308         return par.isRightToLeftPar(bv()->buffer()->params());
 309 }
 310
 311
 312 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 313 {
 314         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 315
 316         BOOST_ASSERT(cur.text() == this);
 317         BufferView * bv = &cur.bv();
 318         CursorSlice oldTopSlice = cur.top();
 319         bool oldBoundary = cur.boundary();
 320         bool sel = cur.selection();
 321         // Signals that, even if needsUpdate == false, an update of the
 322         // cursor paragraph is required
 323         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 324                 LyXAction::SingleParUpdate);
 325         // Signals that a full-screen update is required
 326         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 327                 LyXAction::NoUpdate) || singleParUpdate);
 328         // Remember the old paragraph metric (_outer_ paragraph!)
 329         Dimension olddim = cur.bottom().paragraph().dim();
 330
 331         switch (cmd.action) {
 332
 333         case LFUN_PARAGRAPH_MOVE_DOWN: {
 334                 pit_type const pit = cur.pit();
 335                 recUndo(pit, pit + 1);
 336                 finishUndo();
 337                 std::swap(pars_[pit], pars_[pit + 1]);
 338
 339                 ParIterator begin(cur);
 340                 ++cur.pit();
 341                 ParIterator end = boost::next(ParIterator(cur));
 342                 updateLabels(cur.buffer(), begin, end);
 343
 344                 needsUpdate = true;
 345                 break;
 346         }
 347
 348         case LFUN_PARAGRAPH_MOVE_UP: {
 349                 pit_type const pit = cur.pit();
 350                 recUndo(pit - 1, pit);
 351                 finishUndo();
 352                 std::swap(pars_[pit], pars_[pit - 1]);
 353
 354                 ParIterator end = boost::next(ParIterator(cur));
 355                 --cur.pit();
 356                 ParIterator begin(cur);
 357                 updateLabels(cur.buffer(), begin, end);
 358
 359                 needsUpdate = true;
 360                 break;
 361         }
 362
 363         case LFUN_APPENDIX: {
 364                 Paragraph & par = cur.paragraph();
 365                 bool start = !par.params().startOfAppendix();
 366
 367 #ifdef WITH_WARNINGS
 368 #warning The code below only makes sense at top level.
 369 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 370 #endif
 371                 // ensure that we have only one start_of_appendix in this document
 372                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 373                         if (pars_[tmp].params().startOfAppendix()) {
 374                                 recUndo(tmp);
 375                                 pars_[tmp].params().startOfAppendix(false);
 376                                 break;
 377                         }
 378                 }
 379
 380                 recordUndo(cur);
 381                 par.params().startOfAppendix(start);
 382
 383                 // we can set the refreshing parameters now
 384                 updateLabels(cur.buffer());
 385                 break;
 386         }
 387
 388         case LFUN_WORD_DELETE_FORWARD:
 389                 cur.clearSelection();
 390                 deleteWordForward(cur);
 391                 finishChange(cur, false);
 392                 break;
 393
 394         case LFUN_WORD_DELETE_BACKWARD:
 395                 cur.clearSelection();
 396                 deleteWordBackward(cur);
 397                 finishChange(cur, false);
 398                 break;
 399
 400         case LFUN_LINE_DELETE:
 401                 cur.clearSelection();
 402                 deleteLineForward(cur);
 403                 finishChange(cur, false);
 404                 break;
 405
 406         case LFUN_BUFFER_BEGIN:
 407         case LFUN_BUFFER_BEGIN_SELECT:
 408                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 409                 if (cur.depth() == 1) {
 410                         needsUpdate = cursorTop(cur);
 411                 } else {
 412                         cur.undispatched();
 413                 }
 414                 break;
 415
 416         case LFUN_BUFFER_END:
 417         case LFUN_BUFFER_END_SELECT:
 418                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 419                 if (cur.depth() == 1) {
 420                         needsUpdate = cursorBottom(cur);
 421                 } else {
 422                         cur.undispatched();
 423                 }
 424                 break;
 425
 426         case LFUN_CHAR_FORWARD:
 427         case LFUN_CHAR_FORWARD_SELECT:
 428                 //lyxerr << BOOST_CURRENT_FUNCTION
 429                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 430                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 431                 if (isRTL(cur.paragraph()))
 432                         needsUpdate = cursorLeft(cur);
 433                 else
 434                         needsUpdate = cursorRight(cur);
 435
 436                 if (!needsUpdate && oldTopSlice == cur.top()
 437                                 && cur.boundary() == oldBoundary) {
 438                         cur.undispatched();
 439                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 440                 }
 441                 break;
 442
 443         case LFUN_CHAR_BACKWARD:
 444         case LFUN_CHAR_BACKWARD_SELECT:
 445                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 446                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 447                 if (isRTL(cur.paragraph()))
 448                         needsUpdate = cursorRight(cur);
 449                 else
 450                         needsUpdate = cursorLeft(cur);
 451
 452                 if (!needsUpdate && oldTopSlice == cur.top()
 453                         && cur.boundary() == oldBoundary) {
 454                         cur.undispatched();
 455                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 456                 }
 457                 break;
 458
 459         case LFUN_UP:
 460         case LFUN_UP_SELECT:
 461                 update(cur);
 462                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 463                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 464
 465                 needsUpdate = cursorUp(cur);
 466                 if (!needsUpdate && oldTopSlice == cur.top()
 467                           && cur.boundary() == oldBoundary) {
 468                         cur.undispatched();
 469                         cmd = FuncRequest(LFUN_FINISHED_UP);
 470                 }
 471                 break;
 472
 473         case LFUN_DOWN:
 474         case LFUN_DOWN_SELECT:
 475                 update(cur);
 476                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 477                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 478                 needsUpdate = cursorDown(cur);
 479                 if (!needsUpdate && oldTopSlice == cur.top() &&
 480                     cur.boundary() == oldBoundary)
 481                 {
 482                         cur.undispatched();
 483                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 484                 }
 485                 break;
 486
 487         case LFUN_PARAGRAPH_UP:
 488         case LFUN_PARAGRAPH_UP_SELECT:
 489                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 490                 needsUpdate = cursorUpParagraph(cur);
 491                 break;
 492
 493         case LFUN_PARAGRAPH_DOWN:
 494         case LFUN_PARAGRAPH_DOWN_SELECT:
 495                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 496                 needsUpdate = cursorDownParagraph(cur);
 497                 break;
 498
 499         case LFUN_SCREEN_UP:
 500         case LFUN_SCREEN_UP_SELECT:
 501                 update(cur);
 502                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 503                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 504                         cur.undispatched();
 505                         cmd = FuncRequest(LFUN_FINISHED_UP);
 506                 } else {
 507                         needsUpdate = cursorPrevious(cur);
 508                 }
 509                 break;
 510
 511         case LFUN_SCREEN_DOWN:
 512         case LFUN_SCREEN_DOWN_SELECT:
 513                 update(cur);
 514                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 515                 if (cur.pit() == cur.lastpit()
 516                           && cur.textRow().endpos() == cur.lastpos()) {
 517                         cur.undispatched();
 518                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 519                 } else {
 520                         needsUpdate = cursorNext(cur);
 521                 }
 522                 break;
 523
 524         case LFUN_LINE_BEGIN:
 525         case LFUN_LINE_BEGIN_SELECT:
 526                 update(cur);
 527                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 528                 needsUpdate = cursorHome(cur);
 529                 break;
 530
 531         case LFUN_LINE_END:
 532         case LFUN_LINE_END_SELECT:
 533                 update(cur);
 534                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 535                 needsUpdate = cursorEnd(cur);
 536                 break;
 537
 538         case LFUN_WORD_FORWARD:
 539         case LFUN_WORD_FORWARD_SELECT:
 540                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 541                 if (isRTL(cur.paragraph()))
 542                         needsUpdate = cursorLeftOneWord(cur);
 543                 else
 544                         needsUpdate = cursorRightOneWord(cur);
 545                 break;
 546
 547         case LFUN_WORD_BACKWARD:
 548         case LFUN_WORD_BACKWARD_SELECT:
 549                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 550                 if (isRTL(cur.paragraph()))
 551                         needsUpdate = cursorRightOneWord(cur);
 552                 else
 553                         needsUpdate = cursorLeftOneWord(cur);
 554                 break;
 555
 556         case LFUN_WORD_SELECT: {
 557                 selectWord(cur, lyx::WHOLE_WORD);
 558                 finishChange(cur, true);
 559                 break;
 560         }
 561
 562         case LFUN_BREAK_LINE: {
 563                 // Not allowed by LaTeX (labels or empty par)
 564                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 565                         lyx::cap::replaceSelection(cur);
 566                         cur.insert(new InsetNewline);
 567                         cur.posRight();
 568                         moveCursor(cur, false);
 569                 }
 570                 break;
 571         }
 572
 573         case LFUN_CHAR_DELETE_FORWARD:
 574                 if (!cur.selection()) {
 575                         if (cur.pos() == cur.paragraph().size())
 576                                 // Par boundary, force full-screen update
 577                                 singleParUpdate = false;
 578                         needsUpdate = erase(cur);
 579                         cur.resetAnchor();
 580                         // It is possible to make it a lot faster still
 581                         // just comment out the line below...
 582                 } else {
 583                         cutSelection(cur, true, false);
 584                         singleParUpdate = false;
 585                 }
 586                 moveCursor(cur, false);
 587                 break;
 588
 589         case LFUN_DELETE_FORWARD_SKIP:
 590                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 591                 if (!cur.selection()) {
 592                         if (cur.pos() == cur.lastpos()) {
 593                                 cursorRight(cur);
 594                                 cursorLeft(cur);
 595                         }
 596                         erase(cur);
 597                         cur.resetAnchor();
 598                 } else {
 599                         cutSelection(cur, true, false);
 600                 }
 601                 break;
 602
 603
 604         case LFUN_CHAR_DELETE_BACKWARD:
 605                 if (!cur.selection()) {
 606                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 607                                 // Par boundary, full-screen update
 608                                 if (cur.pos() == 0)
 609                                         singleParUpdate = false;
 610                                 needsUpdate = backspace(cur);
 611                                 cur.resetAnchor();
 612                                 // It is possible to make it a lot faster still
 613                                 // just comment out the line below...
 614                         }
 615                 } else {
 616                         cutSelection(cur, true, false);
 617                         singleParUpdate = false;
 618                 }
 619                 bv->switchKeyMap();
 620                 break;
 621
 622         case LFUN_DELETE_BACKWARD_SKIP:
 623                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 624                 if (!cur.selection()) {
 625 #ifdef WITH_WARNINGS
 626 #warning look here
 627 #endif
 628                         //CursorSlice cur = cursor();
 629                         backspace(cur);
 630                         //anchor() = cur;
 631                 } else {
 632                         cutSelection(cur, true, false);
 633                 }
 634                 break;
 635
 636         case LFUN_BREAK_PARAGRAPH:
 637                 lyx::cap::replaceSelection(cur);
 638                 breakParagraph(cur, 0);
 639                 cur.resetAnchor();
 640                 bv->switchKeyMap();
 641                 break;
 642
 643         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 644                 lyx::cap::replaceSelection(cur);
 645                 breakParagraph(cur, 1);
 646                 cur.resetAnchor();
 647                 bv->switchKeyMap();
 648                 break;
 649
 650         case LFUN_BREAK_PARAGRAPH_SKIP: {
 651                 // When at the beginning of a paragraph, remove
 652                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 653                 lyx::cap::replaceSelection(cur);
 654                 if (cur.pos() == 0)
 655                         cur.paragraph().params().labelWidthString(string());
 656                 else
 657                         breakParagraph(cur, 0);
 658                 cur.resetAnchor();
 659                 bv->switchKeyMap();
 660                 break;
 661         }
 662
 663         case LFUN_PARAGRAPH_SPACING: {
 664                 Paragraph & par = cur.paragraph();
 665                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 666                 string cur_value = "1.0";
 667                 if (cur_spacing == Spacing::Other)
 668                         cur_value = par.params().spacing().getValueAsString();
 669
 670                 istringstream is(lyx::to_utf8(cmd.argument()));
 671                 string tmp;
 672                 is >> tmp;
 673                 Spacing::Space new_spacing = cur_spacing;
 674                 string new_value = cur_value;
 675                 if (tmp.empty()) {
 676                         lyxerr << "Missing argument to `paragraph-spacing'"
 677                                << endl;
 678                 } else if (tmp == "single") {
 679                         new_spacing = Spacing::Single;
 680                 } else if (tmp == "onehalf") {
 681                         new_spacing = Spacing::Onehalf;
 682                 } else if (tmp == "double") {
 683                         new_spacing = Spacing::Double;
 684                 } else if (tmp == "other") {
 685                         new_spacing = Spacing::Other;
 686                         string tmpval = "0.0";
 687                         is >> tmpval;
 688                         lyxerr << "new_value = " << tmpval << endl;
 689                         if (tmpval != "0.0")
 690                                 new_value = tmpval;
 691                 } else if (tmp == "default") {
 692                         new_spacing = Spacing::Default;
 693                 } else {
 694                         lyxerr << _("Unknown spacing argument: ")
 695                                << lyx::to_utf8(cmd.argument()) << endl;
 696                 }
 697                 if (cur_spacing != new_spacing || cur_value != new_value)
 698                         par.params().spacing(Spacing(new_spacing, new_value));
 699                 break;
 700         }
 701
 702         case LFUN_INSET_INSERT: {
 703                 recordUndo(cur);
 704                 InsetBase * inset = createInset(bv, cmd);
 705                 if (inset) {
 706                         insertInset(cur, inset);
 707                         cur.posRight();
 708                 }
 709                 break;
 710         }
 711
 712         case LFUN_INSET_DISSOLVE: {
 713                 recordUndoInset(cur);
 714                 cur.selHandle(false);
 715                 // save position
 716                 lyx::pos_type spos = cur.pos();
 717                 lyx::pit_type spit = cur.pit();
 718                 ParagraphList plist;
 719                 if (cur.lastpit() != 0 || cur.lastpos() != 0)
 720                         plist = paragraphs();
 721                 cur.popLeft();
 722                 // store cursor offset
 723                 if (spit == 0)
 724                         spos += cur.pos();
 725                 spit += cur.pit();
 726                 cur.paragraph().erase(cur.pos());
 727                 if (!plist.empty()) {
 728                         Buffer * b = bv->buffer();
 729                         pasteParagraphList(cur, plist, b->params().textclass,
 730                                            b->errorList("Paste"));
 731                         // restore position
 732                         cur.pit() = std::min(cur.lastpit(), spit);
 733                         cur.pos() = std::min(cur.lastpos(), spos);
 734                 }
 735                 cur.clearSelection();
 736                 cur.resetAnchor();
 737                 needsUpdate = true;
 738                 break;
 739         }
 740
 741         case LFUN_INSET_SETTINGS:
 742                 cur.inset().showInsetDialog(bv);
 743                 break;
 744
 745         case LFUN_SPACE_INSERT:
 746                 if (cur.paragraph().layout()->free_spacing)
 747                         insertChar(cur, ' ');
 748                 else {
 749                         doInsertInset(cur, this, cmd, false, false);
 750                         cur.posRight();
 751                 }
 752                 moveCursor(cur, false);
 753                 break;
 754
 755         case LFUN_HYPHENATION_POINT_INSERT:
 756                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 757                 break;
 758
 759         case LFUN_LIGATURE_BREAK_INSERT:
 760                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 761                 break;
 762
 763         case LFUN_DOTS_INSERT:
 764                 specialChar(cur, InsetSpecialChar::LDOTS);
 765                 break;
 766
 767         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 768                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 769                 break;
 770
 771         case LFUN_MENU_SEPARATOR_INSERT:
 772                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 773                 break;
 774
 775         case LFUN_WORD_UPCASE:
 776                 changeCase(cur, LyXText::text_uppercase);
 777                 break;
 778
 779         case LFUN_WORD_LOWCASE:
 780                 changeCase(cur, LyXText::text_lowercase);
 781                 break;
 782
 783         case LFUN_WORD_CAPITALIZE:
 784                 changeCase(cur, LyXText::text_capitalization);
 785                 break;
 786
 787         case LFUN_CHARS_TRANSPOSE:
 788                 recordUndo(cur);
 789                 break;
 790
 791         case LFUN_PASTE:
 792                 cur.message(_("Paste"));
 793                 lyx::cap::replaceSelection(cur);
 794                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 795                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 796                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 797                 else
 798                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 799                         0);
 800                 bv->buffer()->errors("Paste");
 801                 cur.clearSelection(); // bug 393
 802                 bv->switchKeyMap();
 803                 finishUndo();
 804                 break;
 805
 806         case LFUN_CUT:
 807                 cutSelection(cur, true, true);
 808                 cur.message(_("Cut"));
 809                 break;
 810
 811         case LFUN_COPY:
 812                 copySelection(cur);
 813                 cur.message(_("Copy"));
 814                 break;
 815
 816         case LFUN_SERVER_GET_XY:
 817                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 818                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 819                 break;
 820
 821         case LFUN_SERVER_SET_XY: {
 822                 int x = 0;
 823                 int y = 0;
 824                 istringstream is(lyx::to_utf8(cmd.argument()));
 825                 is >> x >> y;
 826                 if (!is)
 827                         lyxerr << "SETXY: Could not parse coordinates in '"
 828                                << lyx::to_utf8(cmd.argument()) << std::endl;
 829                 else
 830                         setCursorFromCoordinates(cur, x, y);
 831                 break;
 832         }
 833
 834         case LFUN_SERVER_GET_FONT:
 835                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 836                         cur.message("E");
 837                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 838                         cur.message("N");
 839                 else
 840                         cur.message("0");
 841                 break;
 842
 843         case LFUN_SERVER_GET_LAYOUT:
 844                 cur.message(cur.paragraph().layout()->name());
 845                 break;
 846
 847         case LFUN_LAYOUT: {
 848                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 849                   << lyx::to_utf8(cmd.argument()) << endl;
 850
 851                 // This is not the good solution to the empty argument
 852                 // problem, but it will hopefully suffice for 1.2.0.
 853                 // The correct solution would be to augument the
 854                 // function list/array with information about what
 855                 // functions needs arguments and their type.
 856                 if (cmd.argument().empty()) {
 857                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 858                         break;
 859                 }
 860
 861                 // Derive layout number from given argument (string)
 862                 // and current buffer's textclass (number)
 863                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 864                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 865                 string layout = lyx::to_utf8(cmd.argument());
 866
 867                 // If the entry is obsolete, use the new one instead.
 868                 if (hasLayout) {
 869                         string const & obs = tclass[layout]->obsoleted_by();
 870                         if (!obs.empty())
 871                                 layout = obs;
 872                 }
 873
 874                 if (!hasLayout) {
 875                         cur.errorMessage(string(N_("Layout ")) + lyx::to_utf8(cmd.argument()) +
 876                                 N_(" not known"));
 877                         break;
 878                 }
 879
 880                 bool change_layout = (current_layout != layout);
 881
 882                 if (!change_layout && cur.selection() &&
 883                         cur.selBegin().pit() != cur.selEnd().pit())
 884                 {
 885                         pit_type spit = cur.selBegin().pit();
 886                         pit_type epit = cur.selEnd().pit() + 1;
 887                         while (spit != epit) {
 888                                 if (pars_[spit].layout()->name() != current_layout) {
 889                                         change_layout = true;
 890                                         break;
 891                                 }
 892                                 ++spit;
 893                         }
 894                 }
 895
 896                 if (change_layout) {
 897                         current_layout = layout;
 898                         setLayout(cur, layout);
 899                         bv->owner()->setLayout(layout);
 900                         bv->switchKeyMap();
 901                 }
 902                 break;
 903         }
 904
 905         case LFUN_CLIPBOARD_PASTE: {
 906                 cur.clearSelection();
 907                 string const clip = bv->owner()->gui().clipboard().get();
 908                 if (!clip.empty()) {
 909                         recordUndo(cur);
 910                         if (cmd.argument() == "paragraph")
 911                                 insertStringAsParagraphs(cur, clip);
 912                         else
 913                                 insertStringAsLines(cur, clip);
 914                 }
 915                 break;
 916         }
 917
 918         case LFUN_PRIMARY_SELECTION_PASTE: {
 919                 cur.clearSelection();
 920                 string const clip = bv->owner()->gui().selection().get();
 921                 if (!clip.empty()) {
 922                         recordUndo(cur);
 923                         if (cmd.argument() == "paragraph")
 924                                 insertStringAsParagraphs(cur, clip);
 925                         else
 926                                 insertStringAsLines(cur, clip);
 927                 }
 928                 break;
 929         }
 930
 931         case LFUN_QUOTE_INSERT: {
 932                 lyx::cap::replaceSelection(cur);
 933                 Paragraph & par = cur.paragraph();
 934                 lyx::pos_type pos = cur.pos();
 935                 lyx::char_type c;
 936                 if (pos == 0)
 937                         c = ' ';
 938                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 939                         c = ' ';
 940                 else
 941                         c = par.getChar(pos - 1);
 942
 943                 LyXLayout_ptr const & style = par.layout();
 944
 945                 BufferParams const & bufparams = bv->buffer()->params();
 946                 if (!style->pass_thru
 947                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 948                         string arg = lyx::to_utf8(cmd.argument());
 949                         if (arg == "single")
 950                                 cur.insert(new InsetQuotes(c,
 951                                     bufparams.quotes_language,
 952                                     InsetQuotes::SingleQ));
 953                         else
 954                                 cur.insert(new InsetQuotes(c,
 955                                     bufparams.quotes_language,
 956                                     InsetQuotes::DoubleQ));
 957                         cur.posRight();
 958                 }
 959                 else
 960                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 961                 break;
 962         }
 963
 964         case LFUN_DATE_INSERT:
 965                 if (cmd.argument().empty())
 966                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 967                                 lyx::formatted_time(lyx::current_time())));
 968                 else
 969                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 970                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 971                 break;
 972
 973         case LFUN_MOUSE_TRIPLE:
 974                 if (cmd.button() == mouse_button::button1) {
 975                         cursorHome(cur);
 976                         cur.resetAnchor();
 977                         cursorEnd(cur);
 978                         cur.setSelection();
 979                         bv->cursor() = cur;
 980                         bv->owner()->gui().selection().haveSelection(cur.selection());
 981                 }
 982                 break;
 983
 984         case LFUN_MOUSE_DOUBLE:
 985                 if (cmd.button() == mouse_button::button1) {
 986                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 987                         bv->cursor() = cur;
 988                         bv->owner()->gui().selection().haveSelection(cur.selection());
 989                 }
 990                 break;
 991
 992         // Single-click on work area
 993         case LFUN_MOUSE_PRESS: {
 994                 // Right click on a footnote flag opens float menu
 995                 if (cmd.button() == mouse_button::button3)
 996                         cur.clearSelection();
 997
 998                 // Middle button press pastes if we have a selection
 999                 // We do this here as if the selection was inside an inset
1000                 // it could get cleared on the unlocking of the inset so
1001                 // we have to check this first
1002                 bool paste_internally = false;
1003                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
1004                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
1005                         paste_internally = true;
1006                 }
1007
1008                 bv->mouseSetCursor(cur);
1009
1010                 // Insert primary selection with middle mouse
1011                 // if there is a local selection in the current buffer,
1012                 // insert this
1013                 if (cmd.button() == mouse_button::button2) {
1014                         if (paste_internally)
1015                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
1016                         else
1017                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
1018                 }
1019
1020                 break;
1021         }
1022
1023         case LFUN_MOUSE_MOTION: {
1024                 // Only use motion with button 1
1025                 //if (cmd.button() != mouse_button::button1)
1026                 //      return false;
1027
1028                 // ignore motions deeper nested than the real anchor
1029                 LCursor & bvcur = cur.bv().cursor();
1030                 if (bvcur.anchor_.hasPart(cur)) {
1031                         CursorSlice old = bvcur.top();
1032
1033                         int const wh = bv->workHeight();
1034                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1035
1036                         setCursorFromCoordinates(cur, cmd.x, y);
1037                         cur.x_target() = cmd.x;
1038                         if (cmd.y >= wh)
1039                                 cursorDown(cur);
1040                         else if (cmd.y < 0)
1041                                 cursorUp(cur);
1042                         // This is to allow jumping over large insets
1043                         if (cur.top() == old) {
1044                                 if (cmd.y >= wh)
1045                                         cursorDown(cur);
1046                                 else if (cmd.y < 0)
1047                                         cursorUp(cur);
1048                         }
1049
1050                         if (cur.top() == old)
1051                                 cur.noUpdate();
1052                         else {
1053                                 // don't set anchor_
1054                                 bvcur.setCursor(cur);
1055                                 bvcur.selection() = true;
1056                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1057                         }
1058
1059                 } else
1060                         cur.undispatched();
1061                 break;
1062         }
1063
1064         case LFUN_MOUSE_RELEASE: {
1065                 if (cmd.button() == mouse_button::button2)
1066                         break;
1067
1068                 // finish selection
1069                 if (cmd.button() == mouse_button::button1)
1070                         bv->owner()->gui().selection().haveSelection(cur.selection());
1071
1072                 bv->switchKeyMap();
1073                 bv->owner()->updateMenubar();
1074                 bv->owner()->updateToolbars();
1075                 break;
1076         }
1077
1078         case LFUN_SELF_INSERT: {
1079                 if (cmd.argument().empty())
1080                         break;
1081
1082                 // Automatically delete the currently selected
1083                 // text and replace it with what is being
1084                 // typed in now. Depends on lyxrc settings
1085                 // "auto_region_delete", which defaults to
1086                 // true (on).
1087
1088                 if (lyxrc.auto_region_delete) {
1089                         if (cur.selection())
1090                                 cutSelection(cur, false, false);
1091                         bv->owner()->gui().selection().haveSelection(false);
1092                 }
1093
1094                 cur.clearSelection();
1095                 LyXFont const old_font = real_current_font;
1096
1097                 docstring::const_iterator cit = cmd.argument().begin();
1098                 docstring::const_iterator end = cmd.argument().end();
1099                 for (; cit != end; ++cit)
1100 #if 0
1101                         bv->owner()->getIntl().getTransManager().
1102                                 translateAndInsert(*cit, this);
1103 #else
1104                         insertChar(bv->cursor(), *cit);
1105 #endif
1106
1107                 cur.resetAnchor();
1108                 moveCursor(cur, false);
1109                 break;
1110         }
1111
1112         case LFUN_URL_INSERT: {
1113                 InsetCommandParams p("url");
1114                 string const data = InsetCommandMailer::params2string("url", p);
1115                 bv->owner()->getDialogs().show("url", data, 0);
1116                 break;
1117         }
1118
1119         case LFUN_HTML_INSERT: {
1120                 InsetCommandParams p("htmlurl");
1121                 string const data = InsetCommandMailer::params2string("url", p);
1122                 bv->owner()->getDialogs().show("url", data, 0);
1123                 break;
1124         }
1125
1126         case LFUN_LABEL_INSERT: {
1127                 // Try to generate a valid label
1128                 string const contents = cmd.argument().empty() ?
1129                         cur.getPossibleLabel() : lyx::to_utf8(cmd.argument());
1130
1131                 InsetCommandParams p("label", contents);
1132                 string const data = InsetCommandMailer::params2string("label", p);
1133
1134                 if (cmd.argument().empty()) {
1135                         bv->owner()->getDialogs().show("label", data, 0);
1136                 } else {
1137                         FuncRequest fr(LFUN_INSET_INSERT, data);
1138                         dispatch(cur, fr);
1139                 }
1140                 break;
1141         }
1142
1143
1144 #if 0
1145         case LFUN_LIST_INSERT:
1146         case LFUN_THEOREM_INSERT:
1147         case LFUN_CAPTION_INSERT:
1148 #endif
1149         case LFUN_NOTE_INSERT:
1150         case LFUN_CHARSTYLE_INSERT:
1151         case LFUN_BOX_INSERT:
1152         case LFUN_BRANCH_INSERT:
1153         case LFUN_BIBITEM_INSERT:
1154         case LFUN_ERT_INSERT:
1155         case LFUN_FOOTNOTE_INSERT:
1156         case LFUN_MARGINALNOTE_INSERT:
1157         case LFUN_OPTIONAL_INSERT:
1158         case LFUN_ENVIRONMENT_INSERT:
1159                 // Open the inset, and move the current selection
1160                 // inside it.
1161                 doInsertInset(cur, this, cmd, true, true);
1162                 cur.posRight();
1163                 break;
1164
1165         case LFUN_TABULAR_INSERT:
1166                 // if there were no arguments, just open the dialog
1167                 if (doInsertInset(cur, this, cmd, false, true))
1168                         cur.posRight();
1169                 else
1170                         bv->owner()->getDialogs().show("tabularcreate");
1171
1172                 break;
1173
1174         case LFUN_FLOAT_INSERT:
1175         case LFUN_FLOAT_WIDE_INSERT:
1176         case LFUN_WRAP_INSERT:
1177                 doInsertInset(cur, this, cmd, true, true);
1178                 cur.posRight();
1179                 // FIXME: the "Caption" name should not be hardcoded,
1180                 // but given by the float definition.
1181                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1182                 break;
1183
1184         case LFUN_INDEX_INSERT: {
1185                 InsetBase * inset = createInset(&cur.bv(), cmd);
1186                 if (!inset)
1187                         break;
1188
1189                 recordUndo(cur);
1190                 cur.clearSelection();
1191                 insertInset(cur, inset);
1192                 inset->edit(cur, true);
1193                 cur.posRight();
1194                 break;
1195         }
1196
1197         case LFUN_INDEX_PRINT:
1198         case LFUN_TOC_INSERT:
1199         case LFUN_HFILL_INSERT:
1200         case LFUN_LINE_INSERT:
1201         case LFUN_PAGEBREAK_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(N_("Missing argument"));
1231                 else {
1232                         string s = lyx::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(token(s, ' ', 0), nargs, 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                 cur.insert(new MathHullInset("simple"));
1255                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1256                 cur.dispatch(cmd);
1257                 break;
1258         }
1259
1260         case LFUN_FONT_EMPH: {
1261                 LyXFont font(LyXFont::ALL_IGNORE);
1262                 font.setEmph(LyXFont::TOGGLE);
1263                 toggleAndShow(cur, this, font);
1264                 break;
1265         }
1266
1267         case LFUN_FONT_BOLD: {
1268                 LyXFont font(LyXFont::ALL_IGNORE);
1269                 font.setSeries(LyXFont::BOLD_SERIES);
1270                 toggleAndShow(cur, this, font);
1271                 break;
1272         }
1273
1274         case LFUN_FONT_NOUN: {
1275                 LyXFont font(LyXFont::ALL_IGNORE);
1276                 font.setNoun(LyXFont::TOGGLE);
1277                 toggleAndShow(cur, this, font);
1278                 break;
1279         }
1280
1281         case LFUN_FONT_CODE: {
1282                 LyXFont font(LyXFont::ALL_IGNORE);
1283                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1284                 toggleAndShow(cur, this, font);
1285                 break;
1286         }
1287
1288         case LFUN_FONT_SANS: {
1289                 LyXFont font(LyXFont::ALL_IGNORE);
1290                 font.setFamily(LyXFont::SANS_FAMILY);
1291                 toggleAndShow(cur, this, font);
1292                 break;
1293         }
1294
1295         case LFUN_FONT_ROMAN: {
1296                 LyXFont font(LyXFont::ALL_IGNORE);
1297                 font.setFamily(LyXFont::ROMAN_FAMILY);
1298                 toggleAndShow(cur, this, font);
1299                 break;
1300         }
1301
1302         case LFUN_FONT_DEFAULT: {
1303                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1304                 toggleAndShow(cur, this, font);
1305                 break;
1306         }
1307
1308         case LFUN_FONT_UNDERLINE: {
1309                 LyXFont font(LyXFont::ALL_IGNORE);
1310                 font.setUnderbar(LyXFont::TOGGLE);
1311                 toggleAndShow(cur, this, font);
1312                 break;
1313         }
1314
1315         case LFUN_FONT_SIZE: {
1316                 LyXFont font(LyXFont::ALL_IGNORE);
1317                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1318                 toggleAndShow(cur, this, font);
1319                 break;
1320         }
1321
1322         case LFUN_LANGUAGE: {
1323                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1324                 if (!lang)
1325                         break;
1326                 LyXFont font(LyXFont::ALL_IGNORE);
1327                 font.setLanguage(lang);
1328                 toggleAndShow(cur, this, font);
1329                 bv->switchKeyMap();
1330                 break;
1331         }
1332
1333         case LFUN_FONT_FREE_APPLY:
1334                 toggleAndShow(cur, this, freefont, toggleall);
1335                 cur.message(_("Character set"));
1336                 break;
1337
1338         // Set the freefont using the contents of \param data dispatched from
1339         // the frontends and apply it at the current cursor location.
1340         case LFUN_FONT_FREE_UPDATE: {
1341                 LyXFont font;
1342                 bool toggle;
1343                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1344                         freefont = font;
1345                         toggleall = toggle;
1346                         toggleAndShow(cur, this, freefont, toggleall);
1347                         cur.message(_("Character set"));
1348                 }
1349                 break;
1350         }
1351
1352         case LFUN_FINISHED_LEFT:
1353                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1354                 break;
1355
1356         case LFUN_FINISHED_RIGHT:
1357                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1358                 ++cur.pos();
1359                 break;
1360
1361         case LFUN_FINISHED_UP:
1362                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1363                 cursorUp(cur);
1364                 break;
1365
1366         case LFUN_FINISHED_DOWN:
1367                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1368                 cursorDown(cur);
1369                 break;
1370
1371         case LFUN_LAYOUT_PARAGRAPH: {
1372                 string data;
1373                 params2string(cur.paragraph(), data);
1374                 data = "show\n" + data;
1375                 bv->owner()->getDialogs().show("paragraph", data);
1376                 break;
1377         }
1378
1379         case LFUN_PARAGRAPH_UPDATE: {
1380                 if (!bv->owner()->getDialogs().visible("paragraph"))
1381                         break;
1382                 string data;
1383                 params2string(cur.paragraph(), data);
1384
1385                 // Will the paragraph accept changes from the dialog?
1386                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1387
1388                 data = "update " + convert<string>(accept) + '\n' + data;
1389                 bv->owner()->getDialogs().update("paragraph", data);
1390                 break;
1391         }
1392
1393         case LFUN_ACCENT_UMLAUT:
1394         case LFUN_ACCENT_CIRCUMFLEX:
1395         case LFUN_ACCENT_GRAVE:
1396         case LFUN_ACCENT_ACUTE:
1397         case LFUN_ACCENT_TILDE:
1398         case LFUN_ACCENT_CEDILLA:
1399         case LFUN_ACCENT_MACRON:
1400         case LFUN_ACCENT_DOT:
1401         case LFUN_ACCENT_UNDERDOT:
1402         case LFUN_ACCENT_UNDERBAR:
1403         case LFUN_ACCENT_CARON:
1404         case LFUN_ACCENT_SPECIAL_CARON:
1405         case LFUN_ACCENT_BREVE:
1406         case LFUN_ACCENT_TIE:
1407         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1408         case LFUN_ACCENT_CIRCLE:
1409         case LFUN_ACCENT_OGONEK:
1410                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1411                 if (!cmd.argument().empty())
1412                         // FIXME: Are all these characters encoded in one byte in utf8?
1413                         bv->owner()->getIntl().getTransManager()
1414                                 .translateAndInsert(cmd.argument()[0], this);
1415                 break;
1416
1417         case LFUN_FLOAT_LIST: {
1418                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1419                 if (tclass.floats().typeExist(lyx::to_utf8(cmd.argument()))) {
1420                         // not quite sure if we want this...
1421                         recordUndo(cur);
1422                         cur.clearSelection();
1423                         breakParagraph(cur);
1424
1425                         if (cur.lastpos() != 0) {
1426                                 cursorLeft(cur);
1427                                 breakParagraph(cur);
1428                         }
1429
1430                         setLayout(cur, tclass.defaultLayoutName());
1431                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1432                         insertInset(cur, new InsetFloatList(lyx::to_utf8(cmd.argument())));
1433                         cur.posRight();
1434                 } else {
1435                         lyxerr << "Non-existent float type: "
1436                                << lyx::to_utf8(cmd.argument()) << endl;
1437                 }
1438                 break;
1439         }
1440
1441         case LFUN_CHANGE_ACCEPT: {
1442                 acceptChange(cur);
1443                 break;
1444         }
1445
1446         case LFUN_CHANGE_REJECT: {
1447                 rejectChange(cur);
1448                 break;
1449         }
1450
1451         case LFUN_THESAURUS_ENTRY: {
1452                 string arg = lyx::to_utf8(cmd.argument());
1453                 if (arg.empty()) {
1454                         arg = cur.selectionAsString(false);
1455                         // FIXME
1456                         if (arg.size() > 100 || arg.empty()) {
1457                                 // Get word or selection
1458                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1459                                 arg = cur.selectionAsString(false);
1460                         }
1461                 }
1462                 bv->owner()->getDialogs().show("thesaurus", arg);
1463                 break;
1464         }
1465
1466         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1467                 // Given data, an encoding of the ParagraphParameters
1468                 // generated in the Paragraph dialog, this function sets
1469                 // the current paragraph appropriately.
1470                 istringstream is(lyx::to_utf8(cmd.argument()));
1471                 LyXLex lex(0, 0);
1472                 lex.setStream(is);
1473                 ParagraphParameters params;
1474                 params.read(lex);
1475                 setParagraph(cur,
1476                                          params.spacing(),
1477                                          params.align(),
1478                                          params.labelWidthString(),
1479                                          params.noindent());
1480                 cur.message(_("Paragraph layout set"));
1481                 break;
1482         }
1483
1484         case LFUN_ESCAPE:
1485                 if (cur.selection()) {
1486                         cur.selection() = false;
1487                 } else {
1488                         cur.undispatched();
1489                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1490                 }
1491                 break;
1492
1493         default:
1494                 lyxerr[Debug::ACTION]
1495                         << BOOST_CURRENT_FUNCTION
1496                         << ": Command " << cmd
1497                         << " not DISPATCHED by LyXText" << endl;
1498                 cur.undispatched();
1499                 break;
1500         }
1501
1502         if (singleParUpdate)
1503                 // Inserting characters does not change par height
1504                 if (cur.bottom().paragraph().dim().height()
1505                     == olddim.height()) {
1506                         // if so, update _only_ this paragraph
1507                         cur.bv().update(Update::SinglePar |
1508                                         Update::FitCursor |
1509                                         Update::MultiParSel);
1510                         cur.noUpdate();
1511                         return;
1512                 } else
1513                         needsUpdate = true;
1514         if (!needsUpdate
1515             && &oldTopSlice.inset() == &cur.inset()
1516             && oldTopSlice.idx() == cur.idx()
1517             && !sel
1518             && !cur.selection())
1519                 cur.noUpdate();
1520         else
1521                 cur.needsUpdate();
1522 }
1523
1524
1525 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1526                         FuncStatus & flag) const
1527 {
1528         BOOST_ASSERT(cur.text() == this);
1529
1530         LyXFont const & font = real_current_font;
1531         bool enable = true;
1532         InsetBase::Code code = InsetBase::NO_CODE;
1533
1534         switch (cmd.action) {
1535
1536         case LFUN_DEPTH_DECREMENT:
1537                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1538                 break;
1539
1540         case LFUN_DEPTH_INCREMENT:
1541                 enable = changeDepthAllowed(cur, INC_DEPTH);
1542                 break;
1543
1544         case LFUN_APPENDIX:
1545                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1546                 return true;
1547
1548         case LFUN_BIBITEM_INSERT:
1549                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1550                 break;
1551
1552         case LFUN_DIALOG_SHOW_NEW_INSET:
1553                 if (cmd.argument() == "bibitem")
1554                         code = InsetBase::BIBITEM_CODE;
1555                 else if (cmd.argument() == "bibtex")
1556                         code = InsetBase::BIBTEX_CODE;
1557                 else if (cmd.argument() == "box")
1558                         code = InsetBase::BOX_CODE;
1559                 else if (cmd.argument() == "branch")
1560                         code = InsetBase::BRANCH_CODE;
1561                 else if (cmd.argument() == "citation")
1562                         code = InsetBase::CITE_CODE;
1563                 else if (cmd.argument() == "ert")
1564                         code = InsetBase::ERT_CODE;
1565                 else if (cmd.argument() == "external")
1566                         code = InsetBase::EXTERNAL_CODE;
1567                 else if (cmd.argument() == "float")
1568                         code = InsetBase::FLOAT_CODE;
1569                 else if (cmd.argument() == "graphics")
1570                         code = InsetBase::GRAPHICS_CODE;
1571                 else if (cmd.argument() == "include")
1572                         code = InsetBase::INCLUDE_CODE;
1573                 else if (cmd.argument() == "index")
1574                         code = InsetBase::INDEX_CODE;
1575                 else if (cmd.argument() == "label")
1576                         code = InsetBase::LABEL_CODE;
1577                 else if (cmd.argument() == "note")
1578                         code = InsetBase::NOTE_CODE;
1579                 else if (cmd.argument() == "ref")
1580                         code = InsetBase::REF_CODE;
1581                 else if (cmd.argument() == "toc")
1582                         code = InsetBase::TOC_CODE;
1583                 else if (cmd.argument() == "url")
1584                         code = InsetBase::URL_CODE;
1585                 else if (cmd.argument() == "vspace")
1586                         code = InsetBase::VSPACE_CODE;
1587                 else if (cmd.argument() == "wrap")
1588                         code = InsetBase::WRAP_CODE;
1589                 break;
1590
1591         case LFUN_ERT_INSERT:
1592                 code = InsetBase::ERT_CODE;
1593                 break;
1594         case LFUN_FOOTNOTE_INSERT:
1595                 code = InsetBase::FOOT_CODE;
1596                 break;
1597         case LFUN_TABULAR_INSERT:
1598                 code = InsetBase::TABULAR_CODE;
1599                 break;
1600         case LFUN_MARGINALNOTE_INSERT:
1601                 code = InsetBase::MARGIN_CODE;
1602                 break;
1603         case LFUN_FLOAT_INSERT:
1604         case LFUN_FLOAT_WIDE_INSERT:
1605                 code = InsetBase::FLOAT_CODE;
1606                 break;
1607         case LFUN_WRAP_INSERT:
1608                 code = InsetBase::WRAP_CODE;
1609                 break;
1610         case LFUN_FLOAT_LIST:
1611                 code = InsetBase::FLOAT_LIST_CODE;
1612                 break;
1613 #if 0
1614         case LFUN_LIST_INSERT:
1615                 code = InsetBase::LIST_CODE;
1616                 break;
1617         case LFUN_THEOREM_INSERT:
1618                 code = InsetBase::THEOREM_CODE;
1619                 break;
1620 #endif
1621         case LFUN_CAPTION_INSERT:
1622                 code = InsetBase::CAPTION_CODE;
1623                 break;
1624         case LFUN_NOTE_INSERT:
1625                 code = InsetBase::NOTE_CODE;
1626                 break;
1627         case LFUN_CHARSTYLE_INSERT:
1628                 code = InsetBase::CHARSTYLE_CODE;
1629                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1630                         enable = false;
1631                 break;
1632         case LFUN_BOX_INSERT:
1633                 code = InsetBase::BOX_CODE;
1634                 break;
1635         case LFUN_BRANCH_INSERT:
1636                 code = InsetBase::BRANCH_CODE;
1637                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1638                         enable = false;
1639                 break;
1640         case LFUN_LABEL_INSERT:
1641                 code = InsetBase::LABEL_CODE;
1642                 break;
1643         case LFUN_OPTIONAL_INSERT:
1644                 code = InsetBase::OPTARG_CODE;
1645                 enable = numberOfOptArgs(cur.paragraph())
1646                         < cur.paragraph().layout()->optionalargs;
1647                 break;
1648         case LFUN_ENVIRONMENT_INSERT:
1649                 code = InsetBase::BOX_CODE;
1650                 break;
1651         case LFUN_INDEX_INSERT:
1652                 code = InsetBase::INDEX_CODE;
1653                 break;
1654         case LFUN_INDEX_PRINT:
1655                 code = InsetBase::INDEX_PRINT_CODE;
1656                 break;
1657         case LFUN_TOC_INSERT:
1658                 code = InsetBase::TOC_CODE;
1659                 break;
1660         case LFUN_HTML_INSERT:
1661         case LFUN_URL_INSERT:
1662                 code = InsetBase::URL_CODE;
1663                 break;
1664         case LFUN_QUOTE_INSERT:
1665                 // always allow this, since we will inset a raw quote
1666                 // if an inset is not allowed.
1667                 break;
1668         case LFUN_HYPHENATION_POINT_INSERT:
1669         case LFUN_LIGATURE_BREAK_INSERT:
1670         case LFUN_HFILL_INSERT:
1671         case LFUN_MENU_SEPARATOR_INSERT:
1672         case LFUN_DOTS_INSERT:
1673         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1674                 code = InsetBase::SPECIALCHAR_CODE;
1675                 break;
1676         case LFUN_SPACE_INSERT:
1677                 // slight hack: we know this is allowed in math mode
1678                 if (cur.inTexted())
1679                         code = InsetBase::SPACE_CODE;
1680                 break;
1681
1682         case LFUN_INSET_MODIFY:
1683                 // We need to disable this, because we may get called for a
1684                 // tabular cell via
1685                 // InsetTabular::getStatus() -> InsetText::getStatus()
1686                 // and we don't handle LFUN_INSET_MODIFY.
1687                 enable = false;
1688                 break;
1689
1690         case LFUN_FONT_EMPH:
1691                 flag.setOnOff(font.emph() == LyXFont::ON);
1692                 return true;
1693
1694         case LFUN_FONT_NOUN:
1695                 flag.setOnOff(font.noun() == LyXFont::ON);
1696                 return true;
1697
1698         case LFUN_FONT_BOLD:
1699                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1700                 return true;
1701
1702         case LFUN_FONT_SANS:
1703                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1704                 return true;
1705
1706         case LFUN_FONT_ROMAN:
1707                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1708                 return true;
1709
1710         case LFUN_FONT_CODE:
1711                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1712                 return true;
1713
1714         case LFUN_CUT:
1715         case LFUN_COPY:
1716                 enable = cur.selection();
1717                 break;
1718
1719         case LFUN_PASTE:
1720                 enable = lyx::cap::numberOfSelections() > 0;
1721                 break;
1722
1723         case LFUN_PARAGRAPH_MOVE_UP: {
1724                 enable = cur.pit() > 0 && !cur.selection();
1725                 break;
1726         }
1727
1728         case LFUN_PARAGRAPH_MOVE_DOWN: {
1729                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1730                 break;
1731         }
1732
1733         case LFUN_INSET_DISSOLVE: {
1734                 enable = &cur.inset() && cur.inTexted();
1735                 break;
1736         }
1737
1738         case LFUN_WORD_DELETE_FORWARD:
1739         case LFUN_WORD_DELETE_BACKWARD:
1740         case LFUN_LINE_DELETE:
1741         case LFUN_WORD_FORWARD:
1742         case LFUN_WORD_BACKWARD:
1743         case LFUN_CHAR_FORWARD:
1744         case LFUN_CHAR_FORWARD_SELECT:
1745         case LFUN_CHAR_BACKWARD:
1746         case LFUN_CHAR_BACKWARD_SELECT:
1747         case LFUN_UP:
1748         case LFUN_UP_SELECT:
1749         case LFUN_DOWN:
1750         case LFUN_DOWN_SELECT:
1751         case LFUN_PARAGRAPH_UP_SELECT:
1752         case LFUN_PARAGRAPH_DOWN_SELECT:
1753         case LFUN_SCREEN_UP_SELECT:
1754         case LFUN_SCREEN_DOWN_SELECT:
1755         case LFUN_LINE_BEGIN_SELECT:
1756         case LFUN_LINE_END_SELECT:
1757         case LFUN_WORD_FORWARD_SELECT:
1758         case LFUN_WORD_BACKWARD_SELECT:
1759         case LFUN_WORD_SELECT:
1760         case LFUN_PARAGRAPH_UP:
1761         case LFUN_PARAGRAPH_DOWN:
1762         case LFUN_SCREEN_UP:
1763         case LFUN_SCREEN_DOWN:
1764         case LFUN_LINE_BEGIN:
1765         case LFUN_LINE_END:
1766         case LFUN_BREAK_LINE:
1767         case LFUN_CHAR_DELETE_FORWARD:
1768         case LFUN_DELETE_FORWARD_SKIP:
1769         case LFUN_CHAR_DELETE_BACKWARD:
1770         case LFUN_DELETE_BACKWARD_SKIP:
1771         case LFUN_BREAK_PARAGRAPH:
1772         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1773         case LFUN_BREAK_PARAGRAPH_SKIP:
1774         case LFUN_PARAGRAPH_SPACING:
1775         case LFUN_INSET_INSERT:
1776         case LFUN_WORD_UPCASE:
1777         case LFUN_WORD_LOWCASE:
1778         case LFUN_WORD_CAPITALIZE:
1779         case LFUN_CHARS_TRANSPOSE:
1780         case LFUN_SERVER_GET_XY:
1781         case LFUN_SERVER_SET_XY:
1782         case LFUN_SERVER_GET_FONT:
1783         case LFUN_SERVER_GET_LAYOUT:
1784         case LFUN_LAYOUT:
1785         case LFUN_CLIPBOARD_PASTE:
1786         case LFUN_PRIMARY_SELECTION_PASTE:
1787         case LFUN_DATE_INSERT:
1788         case LFUN_SELF_INSERT:
1789         case LFUN_LINE_INSERT:
1790         case LFUN_PAGEBREAK_INSERT:
1791         case LFUN_MATH_DISPLAY:
1792         case LFUN_MATH_IMPORT_SELECTION:
1793         case LFUN_MATH_MODE:
1794         case LFUN_MATH_MACRO:
1795         case LFUN_MATH_INSERT:
1796         case LFUN_MATH_MATRIX:
1797         case LFUN_MATH_DELIM:
1798         case LFUN_MATH_BIGDELIM:
1799         case LFUN_MATH_SUBSCRIPT:
1800         case LFUN_MATH_SUPERSCRIPT:
1801         case LFUN_FONT_DEFAULT:
1802         case LFUN_FONT_UNDERLINE:
1803         case LFUN_FONT_SIZE:
1804         case LFUN_LANGUAGE:
1805         case LFUN_FONT_FREE_APPLY:
1806         case LFUN_FONT_FREE_UPDATE:
1807         case LFUN_LAYOUT_PARAGRAPH:
1808         case LFUN_PARAGRAPH_UPDATE:
1809         case LFUN_ACCENT_UMLAUT:
1810         case LFUN_ACCENT_CIRCUMFLEX:
1811         case LFUN_ACCENT_GRAVE:
1812         case LFUN_ACCENT_ACUTE:
1813         case LFUN_ACCENT_TILDE:
1814         case LFUN_ACCENT_CEDILLA:
1815         case LFUN_ACCENT_MACRON:
1816         case LFUN_ACCENT_DOT:
1817         case LFUN_ACCENT_UNDERDOT:
1818         case LFUN_ACCENT_UNDERBAR:
1819         case LFUN_ACCENT_CARON:
1820         case LFUN_ACCENT_SPECIAL_CARON:
1821         case LFUN_ACCENT_BREVE:
1822         case LFUN_ACCENT_TIE:
1823         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1824         case LFUN_ACCENT_CIRCLE:
1825         case LFUN_ACCENT_OGONEK:
1826         case LFUN_CHANGE_ACCEPT:
1827         case LFUN_CHANGE_REJECT:
1828         case LFUN_THESAURUS_ENTRY:
1829         case LFUN_PARAGRAPH_PARAMS_APPLY:
1830         case LFUN_ESCAPE:
1831         case LFUN_BUFFER_END:
1832         case LFUN_BUFFER_BEGIN:
1833         case LFUN_BUFFER_BEGIN_SELECT:
1834         case LFUN_BUFFER_END_SELECT:
1835                 // these are handled in our dispatch()
1836                 enable = true;
1837                 break;
1838
1839         default:
1840                 return false;
1841         }
1842
1843         if (code != InsetBase::NO_CODE
1844             && (cur.empty() || !cur.inset().insetAllowed(code)))
1845                 enable = false;
1846
1847         flag.enabled(enable);
1848         return true;
1849 }