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::pasteSelection;
  83 using lyx::cap::replaceSelection;
  84
  85 using lyx::support::isStrUnsignedInt;
  86 using lyx::support::token;
  87
  88 using lyx::frontend::Gui;
  89 using lyx::frontend::Clipboard;
  90
  91 using std::endl;
  92 using std::string;
  93 using std::istringstream;
  94 using std::ostringstream;
  95
  96
  97 extern string current_layout;
  98
  99
 100 namespace {
 101
 102         // globals...
 103         LyXFont freefont(LyXFont::ALL_IGNORE);
 104         bool toggleall = false;
 105
 106
 107         void toggleAndShow(LCursor & cur, LyXText * text,
 108                 LyXFont const & font, bool toggleall = true)
 109         {
 110                 text->toggleFree(cur, font, toggleall);
 111
 112                 if (font.language() != ignore_language ||
 113                                 font.number() != LyXFont::IGNORE) {
 114                         Paragraph & par = cur.paragraph();
 115                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 116                         if (cur.boundary() !=
 117                                         text->bidi.isBoundary(cur.buffer(), par,
 118                                                         cur.pos(),
 119                                                         text->real_current_font))
 120                                 text->setCursor(cur, cur.pit(), cur.pos(),
 121                                                 false, !cur.boundary());
 122                 }
 123         }
 124
 125
 126         void moveCursor(LCursor & cur, bool selecting)
 127         {
 128                 if (selecting || cur.mark())
 129                         cur.setSelection();
 130                 if (!cur.selection())
 131                         cur.bv().owner()->gui().selection().haveSelection(false);
 132                 cur.bv().switchKeyMap();
 133         }
 134
 135
 136         void finishChange(LCursor & cur, bool selecting)
 137         {
 138                 finishUndo();
 139                 moveCursor(cur, selecting);
 140         }
 141
 142
 143         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 144         {
 145                 recordUndo(cur);
 146                 string sel = lyx::to_utf8(cur.selectionAsString(false));
 147                 //lyxerr << "selection is: '" << sel << "'" << endl;
 148
 149                 // It may happen that sel is empty but there is a selection
 150                 replaceSelection(cur);
 151
 152                 if (sel.empty()) {
 153                         const int old_pos = cur.pos();
 154                         cur.insert(new MathHullInset(hullSimple));
 155                         BOOST_ASSERT(old_pos == cur.pos());
 156                         cur.nextInset()->edit(cur, true);
 157                         // don't do that also for LFUN_MATH_MODE
 158                         // unless you want end up with always changing
 159                         // to mathrm when opening an inlined inset --
 160                         // I really hate "LyXfunc overloading"...
 161                         if (display)
 162                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 163                         // Avoid an unnecessary undo step if cmd.argument
 164                         // is empty
 165                         if (!cmd.argument().empty())
 166                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 167                                                          cmd.argument()));
 168                 } else {
 169                         // create a macro if we see "\\newcommand"
 170                         // somewhere, and an ordinary formula
 171                         // otherwise
 172                         istringstream is(sel);
 173                         if (sel.find("\\newcommand") == string::npos
 174                             && sel.find("\\def") == string::npos)
 175                         {
 176                                 MathHullInset * formula = new MathHullInset;
 177                                 LyXLex lex(0, 0);
 178                                 lex.setStream(is);
 179                                 formula->read(cur.buffer(), lex);
 180                                 if (formula->getType() == hullNone)
 181                                         // Don't create pseudo formulas if
 182                                         // delimiters are left out
 183                                         formula->mutate(hullSimple);
 184                                 cur.insert(formula);
 185                         } else
 186                                 cur.insert(new MathMacroTemplate(is));
 187                 }
 188                 cur.message(N_("Math editor mode"));
 189         }
 190
 191 } // namespace anon
 192
 193
 194
 195 namespace bv_funcs {
 196
 197 string const freefont2string()
 198 {
 199         string data;
 200         if (font2string(freefont, toggleall, data))
 201                 return data;
 202         return string();
 203 }
 204
 205 }
 206
 207 bool LyXText::cursorPrevious(LCursor & cur)
 208 {
 209         pos_type cpos = cur.pos();
 210         lyx::pit_type cpar = cur.pit();
 211
 212         int x = cur.x_target();
 213
 214         bool updated = setCursorFromCoordinates(cur, x, 0);
 215         if (updated)
 216                 cur.bv().update();
 217         updated |= cursorUp(cur);
 218
 219         if (cpar == cur.pit() && cpos == cur.pos()) {
 220                 // we have a row which is taller than the workarea. The
 221                 // simplest solution is to move to the previous row instead.
 222                 updated |= cursorUp(cur);
 223         }
 224
 225         finishUndo();
 226         return updated;
 227 }
 228
 229
 230 bool LyXText::cursorNext(LCursor & cur)
 231 {
 232         pos_type cpos = cur.pos();
 233         lyx::pit_type cpar = cur.pit();
 234
 235         int x = cur.x_target();
 236         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 237         if (updated)
 238                 cur.bv().update();
 239         updated |= cursorDown(cur);
 240
 241         if (cpar == cur.pit() && cpos == cur.pos()) {
 242                 // we have a row which is taller than the workarea. The
 243                 // simplest solution is to move to the next row instead.
 244                 updated |= cursorDown(cur);
 245         }
 246
 247         finishUndo();
 248         return updated;
 249 }
 250
 251
 252 namespace {
 253
 254 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 255 {
 256         lyx::cap::replaceSelection(cur);
 257         cur.insert(new InsetSpecialChar(kind));
 258         cur.posRight();
 259 }
 260
 261
 262 bool doInsertInset(LCursor & cur, LyXText * text,
 263         FuncRequest const & cmd, bool edit, bool pastesel)
 264 {
 265         InsetBase * inset = createInset(&cur.bv(), cmd);
 266         if (!inset)
 267                 return false;
 268
 269         recordUndo(cur);
 270         bool gotsel = false;
 271         if (cur.selection()) {
 272                 cur.bv().owner()->dispatch(FuncRequest(LFUN_CUT));
 273                 gotsel = true;
 274         }
 275         text->insertInset(cur, inset);
 276
 277         if (edit)
 278                 inset->edit(cur, true);
 279
 280         if (gotsel && pastesel)
 281                 cur.bv().owner()->dispatch(FuncRequest(LFUN_PASTE));
 282         return true;
 283 }
 284
 285
 286 void update(LCursor & cur)
 287 {
 288         //we don't call update(true, false) directly to save a metrics call
 289         if (cur.bv().fitCursor())
 290                 cur.bv().update(Update::Force);
 291 }
 292
 293
 294 } // anon namespace
 295
 296
 297 void LyXText::number(LCursor & cur)
 298 {
 299         LyXFont font(LyXFont::ALL_IGNORE);
 300         font.setNumber(LyXFont::TOGGLE);
 301         toggleAndShow(cur, this, font);
 302 }
 303
 304
 305 bool LyXText::isRTL(Paragraph const & par) const
 306 {
 307         return par.isRightToLeftPar(bv()->buffer()->params());
 308 }
 309
 310
 311 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 312 {
 313         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 314
 315         BOOST_ASSERT(cur.text() == this);
 316         BufferView * bv = &cur.bv();
 317         CursorSlice oldTopSlice = cur.top();
 318         bool oldBoundary = cur.boundary();
 319         bool sel = cur.selection();
 320         // Signals that, even if needsUpdate == false, an update of the
 321         // cursor paragraph is required
 322         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 323                 LyXAction::SingleParUpdate);
 324         // Signals that a full-screen update is required
 325         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 326                 LyXAction::NoUpdate) || singleParUpdate);
 327         // Remember the old paragraph metric (_outer_ paragraph!)
 328         Dimension olddim = cur.bottom().paragraph().dim();
 329
 330         switch (cmd.action) {
 331
 332         case LFUN_PARAGRAPH_MOVE_DOWN: {
 333                 pit_type const pit = cur.pit();
 334                 recUndo(pit, pit + 1);
 335                 finishUndo();
 336                 std::swap(pars_[pit], pars_[pit + 1]);
 337
 338                 ParIterator begin(cur);
 339                 ++cur.pit();
 340                 ParIterator end = boost::next(ParIterator(cur));
 341                 updateLabels(cur.buffer(), begin, end);
 342
 343                 needsUpdate = true;
 344                 break;
 345         }
 346
 347         case LFUN_PARAGRAPH_MOVE_UP: {
 348                 pit_type const pit = cur.pit();
 349                 recUndo(pit - 1, pit);
 350                 finishUndo();
 351                 std::swap(pars_[pit], pars_[pit - 1]);
 352
 353                 ParIterator end = boost::next(ParIterator(cur));
 354                 --cur.pit();
 355                 ParIterator begin(cur);
 356                 updateLabels(cur.buffer(), begin, end);
 357
 358                 needsUpdate = true;
 359                 break;
 360         }
 361
 362         case LFUN_APPENDIX: {
 363                 Paragraph & par = cur.paragraph();
 364                 bool start = !par.params().startOfAppendix();
 365
 366 #ifdef WITH_WARNINGS
 367 #warning The code below only makes sense at top level.
 368 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 369 #endif
 370                 // ensure that we have only one start_of_appendix in this document
 371                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 372                         if (pars_[tmp].params().startOfAppendix()) {
 373                                 recUndo(tmp);
 374                                 pars_[tmp].params().startOfAppendix(false);
 375                                 break;
 376                         }
 377                 }
 378
 379                 recordUndo(cur);
 380                 par.params().startOfAppendix(start);
 381
 382                 // we can set the refreshing parameters now
 383                 updateLabels(cur.buffer());
 384                 break;
 385         }
 386
 387         case LFUN_WORD_DELETE_FORWARD:
 388                 cur.clearSelection();
 389                 deleteWordForward(cur);
 390                 finishChange(cur, false);
 391                 break;
 392
 393         case LFUN_WORD_DELETE_BACKWARD:
 394                 cur.clearSelection();
 395                 deleteWordBackward(cur);
 396                 finishChange(cur, false);
 397                 break;
 398
 399         case LFUN_LINE_DELETE:
 400                 cur.clearSelection();
 401                 deleteLineForward(cur);
 402                 finishChange(cur, false);
 403                 break;
 404
 405         case LFUN_BUFFER_BEGIN:
 406         case LFUN_BUFFER_BEGIN_SELECT:
 407                 cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 408                 if (cur.depth() == 1) {
 409                         needsUpdate = cursorTop(cur);
 410                 } else {
 411                         cur.undispatched();
 412                 }
 413                 break;
 414
 415         case LFUN_BUFFER_END:
 416         case LFUN_BUFFER_END_SELECT:
 417                 cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 418                 if (cur.depth() == 1) {
 419                         needsUpdate = cursorBottom(cur);
 420                 } else {
 421                         cur.undispatched();
 422                 }
 423                 break;
 424
 425         case LFUN_CHAR_FORWARD:
 426         case LFUN_CHAR_FORWARD_SELECT:
 427                 //lyxerr << BOOST_CURRENT_FUNCTION
 428                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 429                 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 430                 if (isRTL(cur.paragraph()))
 431                         needsUpdate = cursorLeft(cur);
 432                 else
 433                         needsUpdate = cursorRight(cur);
 434
 435                 if (!needsUpdate && oldTopSlice == cur.top()
 436                                 && cur.boundary() == oldBoundary) {
 437                         cur.undispatched();
 438                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 439                 }
 440                 break;
 441
 442         case LFUN_CHAR_BACKWARD:
 443         case LFUN_CHAR_BACKWARD_SELECT:
 444                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 445                 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 446                 if (isRTL(cur.paragraph()))
 447                         needsUpdate = cursorRight(cur);
 448                 else
 449                         needsUpdate = cursorLeft(cur);
 450
 451                 if (!needsUpdate && oldTopSlice == cur.top()
 452                         && cur.boundary() == oldBoundary) {
 453                         cur.undispatched();
 454                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 455                 }
 456                 break;
 457
 458         case LFUN_UP:
 459         case LFUN_UP_SELECT:
 460                 update(cur);
 461                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 462                 cur.selHandle(cmd.action == LFUN_UP_SELECT);
 463
 464                 needsUpdate = cursorUp(cur);
 465                 if (!needsUpdate && oldTopSlice == cur.top()
 466                           && cur.boundary() == oldBoundary) {
 467                         cur.undispatched();
 468                         cmd = FuncRequest(LFUN_FINISHED_UP);
 469                 }
 470                 break;
 471
 472         case LFUN_DOWN:
 473         case LFUN_DOWN_SELECT:
 474                 update(cur);
 475                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 476                 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 477                 needsUpdate = cursorDown(cur);
 478                 if (!needsUpdate && oldTopSlice == cur.top() &&
 479                     cur.boundary() == oldBoundary)
 480                 {
 481                         cur.undispatched();
 482                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 483                 }
 484                 break;
 485
 486         case LFUN_PARAGRAPH_UP:
 487         case LFUN_PARAGRAPH_UP_SELECT:
 488                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 489                 needsUpdate = cursorUpParagraph(cur);
 490                 break;
 491
 492         case LFUN_PARAGRAPH_DOWN:
 493         case LFUN_PARAGRAPH_DOWN_SELECT:
 494                 cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 495                 needsUpdate = cursorDownParagraph(cur);
 496                 break;
 497
 498         case LFUN_SCREEN_UP:
 499         case LFUN_SCREEN_UP_SELECT:
 500                 update(cur);
 501                 cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 502                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 503                         cur.undispatched();
 504                         cmd = FuncRequest(LFUN_FINISHED_UP);
 505                 } else {
 506                         needsUpdate = cursorPrevious(cur);
 507                 }
 508                 break;
 509
 510         case LFUN_SCREEN_DOWN:
 511         case LFUN_SCREEN_DOWN_SELECT:
 512                 update(cur);
 513                 cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 514                 if (cur.pit() == cur.lastpit()
 515                           && cur.textRow().endpos() == cur.lastpos()) {
 516                         cur.undispatched();
 517                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 518                 } else {
 519                         needsUpdate = cursorNext(cur);
 520                 }
 521                 break;
 522
 523         case LFUN_LINE_BEGIN:
 524         case LFUN_LINE_BEGIN_SELECT:
 525                 update(cur);
 526                 cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 527                 needsUpdate = cursorHome(cur);
 528                 break;
 529
 530         case LFUN_LINE_END:
 531         case LFUN_LINE_END_SELECT:
 532                 update(cur);
 533                 cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 534                 needsUpdate = cursorEnd(cur);
 535                 break;
 536
 537         case LFUN_WORD_FORWARD:
 538         case LFUN_WORD_FORWARD_SELECT:
 539                 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 540                 if (isRTL(cur.paragraph()))
 541                         needsUpdate = cursorLeftOneWord(cur);
 542                 else
 543                         needsUpdate = cursorRightOneWord(cur);
 544                 break;
 545
 546         case LFUN_WORD_BACKWARD:
 547         case LFUN_WORD_BACKWARD_SELECT:
 548                 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 549                 if (isRTL(cur.paragraph()))
 550                         needsUpdate = cursorRightOneWord(cur);
 551                 else
 552                         needsUpdate = cursorLeftOneWord(cur);
 553                 break;
 554
 555         case LFUN_WORD_SELECT: {
 556                 selectWord(cur, lyx::WHOLE_WORD);
 557                 finishChange(cur, true);
 558                 break;
 559         }
 560
 561         case LFUN_BREAK_LINE: {
 562                 // Not allowed by LaTeX (labels or empty par)
 563                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 564                         lyx::cap::replaceSelection(cur);
 565                         cur.insert(new InsetNewline);
 566                         cur.posRight();
 567                         moveCursor(cur, false);
 568                 }
 569                 break;
 570         }
 571
 572         case LFUN_CHAR_DELETE_FORWARD:
 573                 if (!cur.selection()) {
 574                         if (cur.pos() == cur.paragraph().size())
 575                                 // Par boundary, force full-screen update
 576                                 singleParUpdate = false;
 577                         needsUpdate = erase(cur);
 578                         cur.resetAnchor();
 579                         // It is possible to make it a lot faster still
 580                         // just comment out the line below...
 581                 } else {
 582                         cutSelection(cur, true, false);
 583                         singleParUpdate = false;
 584                 }
 585                 moveCursor(cur, false);
 586                 break;
 587
 588         case LFUN_DELETE_FORWARD_SKIP:
 589                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 590                 if (!cur.selection()) {
 591                         if (cur.pos() == cur.lastpos()) {
 592                                 cursorRight(cur);
 593                                 cursorLeft(cur);
 594                         }
 595                         erase(cur);
 596                         cur.resetAnchor();
 597                 } else {
 598                         cutSelection(cur, true, false);
 599                 }
 600                 break;
 601
 602
 603         case LFUN_CHAR_DELETE_BACKWARD:
 604                 if (!cur.selection()) {
 605                         if (bv->owner()->getIntl().getTransManager().backspace()) {
 606                                 // Par boundary, full-screen update
 607                                 if (cur.pos() == 0)
 608                                         singleParUpdate = false;
 609                                 needsUpdate = backspace(cur);
 610                                 cur.resetAnchor();
 611                                 // It is possible to make it a lot faster still
 612                                 // just comment out the line below...
 613                         }
 614                 } else {
 615                         cutSelection(cur, true, false);
 616                         singleParUpdate = false;
 617                 }
 618                 bv->switchKeyMap();
 619                 break;
 620
 621         case LFUN_DELETE_BACKWARD_SKIP:
 622                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 623                 if (!cur.selection()) {
 624 #ifdef WITH_WARNINGS
 625 #warning look here
 626 #endif
 627                         //CursorSlice cur = cursor();
 628                         backspace(cur);
 629                         //anchor() = cur;
 630                 } else {
 631                         cutSelection(cur, true, false);
 632                 }
 633                 break;
 634
 635         case LFUN_BREAK_PARAGRAPH:
 636                 lyx::cap::replaceSelection(cur);
 637                 breakParagraph(cur, 0);
 638                 cur.resetAnchor();
 639                 bv->switchKeyMap();
 640                 break;
 641
 642         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 643                 lyx::cap::replaceSelection(cur);
 644                 breakParagraph(cur, 1);
 645                 cur.resetAnchor();
 646                 bv->switchKeyMap();
 647                 break;
 648
 649         case LFUN_BREAK_PARAGRAPH_SKIP: {
 650                 // When at the beginning of a paragraph, remove
 651                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 652                 lyx::cap::replaceSelection(cur);
 653                 if (cur.pos() == 0)
 654                         cur.paragraph().params().labelWidthString(string());
 655                 else
 656                         breakParagraph(cur, 0);
 657                 cur.resetAnchor();
 658                 bv->switchKeyMap();
 659                 break;
 660         }
 661
 662         case LFUN_PARAGRAPH_SPACING: {
 663                 Paragraph & par = cur.paragraph();
 664                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 665                 string cur_value = "1.0";
 666                 if (cur_spacing == Spacing::Other)
 667                         cur_value = par.params().spacing().getValueAsString();
 668
 669                 istringstream is(lyx::to_utf8(cmd.argument()));
 670                 string tmp;
 671                 is >> tmp;
 672                 Spacing::Space new_spacing = cur_spacing;
 673                 string new_value = cur_value;
 674                 if (tmp.empty()) {
 675                         lyxerr << "Missing argument to `paragraph-spacing'"
 676                                << endl;
 677                 } else if (tmp == "single") {
 678                         new_spacing = Spacing::Single;
 679                 } else if (tmp == "onehalf") {
 680                         new_spacing = Spacing::Onehalf;
 681                 } else if (tmp == "double") {
 682                         new_spacing = Spacing::Double;
 683                 } else if (tmp == "other") {
 684                         new_spacing = Spacing::Other;
 685                         string tmpval = "0.0";
 686                         is >> tmpval;
 687                         lyxerr << "new_value = " << tmpval << endl;
 688                         if (tmpval != "0.0")
 689                                 new_value = tmpval;
 690                 } else if (tmp == "default") {
 691                         new_spacing = Spacing::Default;
 692                 } else {
 693                         lyxerr << lyx::to_utf8(_("Unknown spacing argument: "))
 694                                << lyx::to_utf8(cmd.argument()) << endl;
 695                 }
 696                 if (cur_spacing != new_spacing || cur_value != new_value)
 697                         par.params().spacing(Spacing(new_spacing, new_value));
 698                 break;
 699         }
 700
 701         case LFUN_INSET_INSERT: {
 702                 recordUndo(cur);
 703                 InsetBase * inset = createInset(bv, cmd);
 704                 if (inset) {
 705                         insertInset(cur, inset);
 706                         cur.posRight();
 707                 }
 708                 break;
 709         }
 710
 711         case LFUN_INSET_DISSOLVE:
 712                 needsUpdate = dissolveInset(cur);
 713                 break;
 714
 715         case LFUN_INSET_SETTINGS:
 716                 cur.inset().showInsetDialog(bv);
 717                 break;
 718
 719         case LFUN_SPACE_INSERT:
 720                 if (cur.paragraph().layout()->free_spacing)
 721                         insertChar(cur, ' ');
 722                 else {
 723                         doInsertInset(cur, this, cmd, false, false);
 724                         cur.posRight();
 725                 }
 726                 moveCursor(cur, false);
 727                 break;
 728
 729         case LFUN_HYPHENATION_POINT_INSERT:
 730                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 731                 break;
 732
 733         case LFUN_LIGATURE_BREAK_INSERT:
 734                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 735                 break;
 736
 737         case LFUN_DOTS_INSERT:
 738                 specialChar(cur, InsetSpecialChar::LDOTS);
 739                 break;
 740
 741         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 742                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 743                 break;
 744
 745         case LFUN_MENU_SEPARATOR_INSERT:
 746                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 747                 break;
 748
 749         case LFUN_WORD_UPCASE:
 750                 changeCase(cur, LyXText::text_uppercase);
 751                 break;
 752
 753         case LFUN_WORD_LOWCASE:
 754                 changeCase(cur, LyXText::text_lowercase);
 755                 break;
 756
 757         case LFUN_WORD_CAPITALIZE:
 758                 changeCase(cur, LyXText::text_capitalization);
 759                 break;
 760
 761         case LFUN_CHARS_TRANSPOSE:
 762                 recordUndo(cur);
 763                 break;
 764
 765         case LFUN_PASTE:
 766                 cur.message(lyx::to_utf8(_("Paste")));
 767                 lyx::cap::replaceSelection(cur);
 768                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 769                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 770                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 771                 else
 772                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 773                         0);
 774                 bv->buffer()->errors("Paste");
 775                 cur.clearSelection(); // bug 393
 776                 bv->switchKeyMap();
 777                 finishUndo();
 778                 break;
 779
 780         case LFUN_CUT:
 781                 cutSelection(cur, true, true);
 782                 cur.message(lyx::to_utf8(_("Cut")));
 783                 break;
 784
 785         case LFUN_COPY:
 786                 copySelection(cur);
 787                 cur.message(lyx::to_utf8(_("Copy")));
 788                 break;
 789
 790         case LFUN_SERVER_GET_XY:
 791                 cur.message(convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 792                           + convert<string>(cursorY(cur.top(), cur.boundary())));
 793                 break;
 794
 795         case LFUN_SERVER_SET_XY: {
 796                 int x = 0;
 797                 int y = 0;
 798                 istringstream is(lyx::to_utf8(cmd.argument()));
 799                 is >> x >> y;
 800                 if (!is)
 801                         lyxerr << "SETXY: Could not parse coordinates in '"
 802                                << lyx::to_utf8(cmd.argument()) << std::endl;
 803                 else
 804                         setCursorFromCoordinates(cur, x, y);
 805                 break;
 806         }
 807
 808         case LFUN_SERVER_GET_FONT:
 809                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 810                         cur.message("E");
 811                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 812                         cur.message("N");
 813                 else
 814                         cur.message("0");
 815                 break;
 816
 817         case LFUN_SERVER_GET_LAYOUT:
 818                 cur.message(cur.paragraph().layout()->name());
 819                 break;
 820
 821         case LFUN_LAYOUT: {
 822                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 823                   << lyx::to_utf8(cmd.argument()) << endl;
 824
 825                 // This is not the good solution to the empty argument
 826                 // problem, but it will hopefully suffice for 1.2.0.
 827                 // The correct solution would be to augument the
 828                 // function list/array with information about what
 829                 // functions needs arguments and their type.
 830                 if (cmd.argument().empty()) {
 831                         cur.errorMessage(lyx::to_utf8(_("LyX function 'layout' needs an argument.")));
 832                         break;
 833                 }
 834
 835                 // Derive layout number from given argument (string)
 836                 // and current buffer's textclass (number)
 837                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 838                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 839                 string layout = lyx::to_utf8(cmd.argument());
 840
 841                 // If the entry is obsolete, use the new one instead.
 842                 if (hasLayout) {
 843                         string const & obs = tclass[layout]->obsoleted_by();
 844                         if (!obs.empty())
 845                                 layout = obs;
 846                 }
 847
 848                 if (!hasLayout) {
 849                         cur.errorMessage(string(N_("Layout ")) + lyx::to_utf8(cmd.argument()) +
 850                                 N_(" not known"));
 851                         break;
 852                 }
 853
 854                 bool change_layout = (current_layout != layout);
 855
 856                 if (!change_layout && cur.selection() &&
 857                         cur.selBegin().pit() != cur.selEnd().pit())
 858                 {
 859                         pit_type spit = cur.selBegin().pit();
 860                         pit_type epit = cur.selEnd().pit() + 1;
 861                         while (spit != epit) {
 862                                 if (pars_[spit].layout()->name() != current_layout) {
 863                                         change_layout = true;
 864                                         break;
 865                                 }
 866                                 ++spit;
 867                         }
 868                 }
 869
 870                 if (change_layout) {
 871                         current_layout = layout;
 872                         setLayout(cur, layout);
 873                         bv->owner()->setLayout(layout);
 874                         bv->switchKeyMap();
 875                 }
 876                 break;
 877         }
 878
 879         case LFUN_CLIPBOARD_PASTE: {
 880                 cur.clearSelection();
 881                 docstring const clip = bv->owner()->gui().clipboard().get();
 882                 if (!clip.empty()) {
 883                         recordUndo(cur);
 884                         if (cmd.argument() == "paragraph")
 885                                 insertStringAsParagraphs(cur, clip);
 886                         else
 887                                 insertStringAsLines(cur, clip);
 888                 }
 889                 break;
 890         }
 891
 892         case LFUN_PRIMARY_SELECTION_PASTE: {
 893                 cur.clearSelection();
 894                 docstring const clip = bv->owner()->gui().selection().get();
 895                 if (!clip.empty()) {
 896                         recordUndo(cur);
 897                         if (cmd.argument() == "paragraph")
 898                                 insertStringAsParagraphs(cur, clip);
 899                         else
 900                                 insertStringAsLines(cur, clip);
 901                 }
 902                 break;
 903         }
 904
 905         case LFUN_QUOTE_INSERT: {
 906                 lyx::cap::replaceSelection(cur);
 907                 Paragraph & par = cur.paragraph();
 908                 lyx::pos_type pos = cur.pos();
 909                 lyx::char_type c;
 910                 if (pos == 0)
 911                         c = ' ';
 912                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 913                         c = ' ';
 914                 else
 915                         c = par.getChar(pos - 1);
 916
 917                 LyXLayout_ptr const & style = par.layout();
 918
 919                 BufferParams const & bufparams = bv->buffer()->params();
 920                 if (!style->pass_thru
 921                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 922                         string arg = lyx::to_utf8(cmd.argument());
 923                         if (arg == "single")
 924                                 cur.insert(new InsetQuotes(c,
 925                                     bufparams.quotes_language,
 926                                     InsetQuotes::SingleQ));
 927                         else
 928                                 cur.insert(new InsetQuotes(c,
 929                                     bufparams.quotes_language,
 930                                     InsetQuotes::DoubleQ));
 931                         cur.posRight();
 932                 }
 933                 else
 934                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 935                 break;
 936         }
 937
 938         case LFUN_DATE_INSERT:
 939                 if (cmd.argument().empty())
 940                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 941                                 lyx::formatted_time(lyx::current_time())));
 942                 else
 943                         bv->owner()->dispatch(FuncRequest(LFUN_SELF_INSERT,
 944                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 945                 break;
 946
 947         case LFUN_MOUSE_TRIPLE:
 948                 if (cmd.button() == mouse_button::button1) {
 949                         cursorHome(cur);
 950                         cur.resetAnchor();
 951                         cursorEnd(cur);
 952                         cur.setSelection();
 953                         bv->cursor() = cur;
 954                         bv->owner()->gui().selection().haveSelection(cur.selection());
 955                 }
 956                 break;
 957
 958         case LFUN_MOUSE_DOUBLE:
 959                 if (cmd.button() == mouse_button::button1) {
 960                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 961                         bv->cursor() = cur;
 962                         bv->owner()->gui().selection().haveSelection(cur.selection());
 963                 }
 964                 break;
 965
 966         // Single-click on work area
 967         case LFUN_MOUSE_PRESS: {
 968                 // Right click on a footnote flag opens float menu
 969                 if (cmd.button() == mouse_button::button3)
 970                         cur.clearSelection();
 971
 972                 // Middle button press pastes if we have a selection
 973                 // We do this here as if the selection was inside an inset
 974                 // it could get cleared on the unlocking of the inset so
 975                 // we have to check this first
 976                 bool paste_internally = false;
 977                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 978                         bv->owner()->dispatch(FuncRequest(LFUN_COPY));
 979                         paste_internally = true;
 980                 }
 981
 982                 bv->mouseSetCursor(cur);
 983
 984                 // Insert primary selection with middle mouse
 985                 // if there is a local selection in the current buffer,
 986                 // insert this
 987                 if (cmd.button() == mouse_button::button2) {
 988                         if (paste_internally)
 989                                 bv->owner()->dispatch(FuncRequest(LFUN_PASTE));
 990                         else
 991                                 bv->owner()->dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 992                 }
 993
 994                 break;
 995         }
 996
 997         case LFUN_MOUSE_MOTION: {
 998                 // Only use motion with button 1
 999                 //if (cmd.button() != mouse_button::button1)
1000                 //      return false;
1001
1002                 // ignore motions deeper nested than the real anchor
1003                 LCursor & bvcur = cur.bv().cursor();
1004                 if (bvcur.anchor_.hasPart(cur)) {
1005                         CursorSlice old = bvcur.top();
1006
1007                         int const wh = bv->workHeight();
1008                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1009
1010                         setCursorFromCoordinates(cur, cmd.x, y);
1011                         cur.x_target() = cmd.x;
1012                         if (cmd.y >= wh)
1013                                 cursorDown(cur);
1014                         else if (cmd.y < 0)
1015                                 cursorUp(cur);
1016                         // This is to allow jumping over large insets
1017                         if (cur.top() == old) {
1018                                 if (cmd.y >= wh)
1019                                         cursorDown(cur);
1020                                 else if (cmd.y < 0)
1021                                         cursorUp(cur);
1022                         }
1023
1024                         if (cur.top() == old)
1025                                 cur.noUpdate();
1026                         else {
1027                                 // don't set anchor_
1028                                 bvcur.setCursor(cur);
1029                                 bvcur.selection() = true;
1030                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1031                         }
1032
1033                 } else
1034                         cur.undispatched();
1035                 break;
1036         }
1037
1038         case LFUN_MOUSE_RELEASE: {
1039                 if (cmd.button() == mouse_button::button2)
1040                         break;
1041
1042                 // finish selection
1043                 if (cmd.button() == mouse_button::button1)
1044                         bv->owner()->gui().selection().haveSelection(cur.selection());
1045
1046                 bv->switchKeyMap();
1047                 bv->owner()->updateMenubar();
1048                 bv->owner()->updateToolbars();
1049                 break;
1050         }
1051
1052         case LFUN_SELF_INSERT: {
1053                 if (cmd.argument().empty())
1054                         break;
1055
1056                 // Automatically delete the currently selected
1057                 // text and replace it with what is being
1058                 // typed in now. Depends on lyxrc settings
1059                 // "auto_region_delete", which defaults to
1060                 // true (on).
1061
1062                 if (lyxrc.auto_region_delete) {
1063                         if (cur.selection())
1064                                 cutSelection(cur, false, false);
1065                         bv->owner()->gui().selection().haveSelection(false);
1066                 }
1067
1068                 cur.clearSelection();
1069                 LyXFont const old_font = real_current_font;
1070
1071                 docstring::const_iterator cit = cmd.argument().begin();
1072                 docstring::const_iterator end = cmd.argument().end();
1073                 for (; cit != end; ++cit)
1074 #if 0
1075                         bv->owner()->getIntl().getTransManager().
1076                                 translateAndInsert(*cit, this);
1077 #else
1078                         insertChar(bv->cursor(), *cit);
1079 #endif
1080
1081                 cur.resetAnchor();
1082                 moveCursor(cur, false);
1083                 break;
1084         }
1085
1086         case LFUN_URL_INSERT: {
1087                 InsetCommandParams p("url");
1088                 string const data = InsetCommandMailer::params2string("url", p);
1089                 bv->owner()->getDialogs().show("url", data, 0);
1090                 break;
1091         }
1092
1093         case LFUN_HTML_INSERT: {
1094                 InsetCommandParams p("htmlurl");
1095                 string const data = InsetCommandMailer::params2string("url", p);
1096                 bv->owner()->getDialogs().show("url", data, 0);
1097                 break;
1098         }
1099
1100         case LFUN_LABEL_INSERT: {
1101                 // Try to generate a valid label
1102                 string const contents = cmd.argument().empty() ?
1103                         cur.getPossibleLabel() : lyx::to_utf8(cmd.argument());
1104
1105                 InsetCommandParams p("label", contents);
1106                 string const data = InsetCommandMailer::params2string("label", p);
1107
1108                 if (cmd.argument().empty()) {
1109                         bv->owner()->getDialogs().show("label", data, 0);
1110                 } else {
1111                         FuncRequest fr(LFUN_INSET_INSERT, data);
1112                         dispatch(cur, fr);
1113                 }
1114                 break;
1115         }
1116
1117
1118 #if 0
1119         case LFUN_LIST_INSERT:
1120         case LFUN_THEOREM_INSERT:
1121         case LFUN_CAPTION_INSERT:
1122 #endif
1123         case LFUN_NOTE_INSERT:
1124         case LFUN_CHARSTYLE_INSERT:
1125         case LFUN_BOX_INSERT:
1126         case LFUN_BRANCH_INSERT:
1127         case LFUN_BIBITEM_INSERT:
1128         case LFUN_ERT_INSERT:
1129         case LFUN_FOOTNOTE_INSERT:
1130         case LFUN_MARGINALNOTE_INSERT:
1131         case LFUN_OPTIONAL_INSERT:
1132         case LFUN_ENVIRONMENT_INSERT:
1133                 // Open the inset, and move the current selection
1134                 // inside it.
1135                 doInsertInset(cur, this, cmd, true, true);
1136                 cur.posRight();
1137                 break;
1138
1139         case LFUN_TABULAR_INSERT:
1140                 // if there were no arguments, just open the dialog
1141                 if (doInsertInset(cur, this, cmd, false, true))
1142                         cur.posRight();
1143                 else
1144                         bv->owner()->getDialogs().show("tabularcreate");
1145
1146                 break;
1147
1148         case LFUN_FLOAT_INSERT:
1149         case LFUN_FLOAT_WIDE_INSERT:
1150         case LFUN_WRAP_INSERT:
1151                 doInsertInset(cur, this, cmd, true, true);
1152                 cur.posRight();
1153                 // FIXME: the "Caption" name should not be hardcoded,
1154                 // but given by the float definition.
1155                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1156                 break;
1157
1158         case LFUN_INDEX_INSERT: {
1159                 InsetBase * inset = createInset(&cur.bv(), cmd);
1160                 if (!inset)
1161                         break;
1162
1163                 recordUndo(cur);
1164                 cur.clearSelection();
1165                 insertInset(cur, inset);
1166                 inset->edit(cur, true);
1167                 cur.posRight();
1168                 break;
1169         }
1170
1171         case LFUN_INDEX_PRINT:
1172         case LFUN_TOC_INSERT:
1173         case LFUN_HFILL_INSERT:
1174         case LFUN_LINE_INSERT:
1175         case LFUN_PAGEBREAK_INSERT:
1176                 // do nothing fancy
1177                 doInsertInset(cur, this, cmd, false, false);
1178                 cur.posRight();
1179                 break;
1180
1181         case LFUN_DEPTH_DECREMENT:
1182                 changeDepth(cur, DEC_DEPTH);
1183                 break;
1184
1185         case LFUN_DEPTH_INCREMENT:
1186                 changeDepth(cur, INC_DEPTH);
1187                 break;
1188
1189         case LFUN_MATH_DISPLAY:
1190                 mathDispatch(cur, cmd, true);
1191                 break;
1192
1193         case LFUN_MATH_IMPORT_SELECTION:
1194         case LFUN_MATH_MODE:
1195                 if (cmd.argument() == "on")
1196                         // don't pass "on" as argument
1197                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1198                 else
1199                         mathDispatch(cur, cmd, false);
1200                 break;
1201
1202         case LFUN_MATH_MACRO:
1203                 if (cmd.argument().empty())
1204                         cur.errorMessage(N_("Missing argument"));
1205                 else {
1206                         string s = lyx::to_utf8(cmd.argument());
1207                         string const s1 = token(s, ' ', 1);
1208                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1209                         string const s2 = token(s, ' ', 2);
1210                         string const type = s2.empty() ? "newcommand" : s2;
1211                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1212                         //cur.nextInset()->edit(cur, true);
1213                 }
1214                 break;
1215
1216         // passthrough hat and underscore outside mathed:
1217         case LFUN_MATH_SUBSCRIPT:
1218                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1219                 break;
1220         case LFUN_MATH_SUPERSCRIPT:
1221                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1222                 break;
1223
1224         case LFUN_MATH_INSERT:
1225         case LFUN_MATH_MATRIX:
1226         case LFUN_MATH_DELIM:
1227         case LFUN_MATH_BIGDELIM: {
1228                 cur.insert(new MathHullInset(hullSimple));
1229                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1230                 cur.dispatch(cmd);
1231                 break;
1232         }
1233
1234         case LFUN_FONT_EMPH: {
1235                 LyXFont font(LyXFont::ALL_IGNORE);
1236                 font.setEmph(LyXFont::TOGGLE);
1237                 toggleAndShow(cur, this, font);
1238                 break;
1239         }
1240
1241         case LFUN_FONT_BOLD: {
1242                 LyXFont font(LyXFont::ALL_IGNORE);
1243                 font.setSeries(LyXFont::BOLD_SERIES);
1244                 toggleAndShow(cur, this, font);
1245                 break;
1246         }
1247
1248         case LFUN_FONT_NOUN: {
1249                 LyXFont font(LyXFont::ALL_IGNORE);
1250                 font.setNoun(LyXFont::TOGGLE);
1251                 toggleAndShow(cur, this, font);
1252                 break;
1253         }
1254
1255         case LFUN_FONT_CODE: {
1256                 LyXFont font(LyXFont::ALL_IGNORE);
1257                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1258                 toggleAndShow(cur, this, font);
1259                 break;
1260         }
1261
1262         case LFUN_FONT_SANS: {
1263                 LyXFont font(LyXFont::ALL_IGNORE);
1264                 font.setFamily(LyXFont::SANS_FAMILY);
1265                 toggleAndShow(cur, this, font);
1266                 break;
1267         }
1268
1269         case LFUN_FONT_ROMAN: {
1270                 LyXFont font(LyXFont::ALL_IGNORE);
1271                 font.setFamily(LyXFont::ROMAN_FAMILY);
1272                 toggleAndShow(cur, this, font);
1273                 break;
1274         }
1275
1276         case LFUN_FONT_DEFAULT: {
1277                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1278                 toggleAndShow(cur, this, font);
1279                 break;
1280         }
1281
1282         case LFUN_FONT_UNDERLINE: {
1283                 LyXFont font(LyXFont::ALL_IGNORE);
1284                 font.setUnderbar(LyXFont::TOGGLE);
1285                 toggleAndShow(cur, this, font);
1286                 break;
1287         }
1288
1289         case LFUN_FONT_SIZE: {
1290                 LyXFont font(LyXFont::ALL_IGNORE);
1291                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1292                 toggleAndShow(cur, this, font);
1293                 break;
1294         }
1295
1296         case LFUN_LANGUAGE: {
1297                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1298                 if (!lang)
1299                         break;
1300                 LyXFont font(LyXFont::ALL_IGNORE);
1301                 font.setLanguage(lang);
1302                 toggleAndShow(cur, this, font);
1303                 bv->switchKeyMap();
1304                 break;
1305         }
1306
1307         case LFUN_FONT_FREE_APPLY:
1308                 toggleAndShow(cur, this, freefont, toggleall);
1309                 cur.message(lyx::to_utf8(_("Character set")));
1310                 break;
1311
1312         // Set the freefont using the contents of \param data dispatched from
1313         // the frontends and apply it at the current cursor location.
1314         case LFUN_FONT_FREE_UPDATE: {
1315                 LyXFont font;
1316                 bool toggle;
1317                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1318                         freefont = font;
1319                         toggleall = toggle;
1320                         toggleAndShow(cur, this, freefont, toggleall);
1321                         cur.message(lyx::to_utf8(_("Character set")));
1322                 }
1323                 break;
1324         }
1325
1326         case LFUN_FINISHED_LEFT:
1327                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1328                 break;
1329
1330         case LFUN_FINISHED_RIGHT:
1331                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1332                 ++cur.pos();
1333                 break;
1334
1335         case LFUN_FINISHED_UP:
1336                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1337                 cursorUp(cur);
1338                 break;
1339
1340         case LFUN_FINISHED_DOWN:
1341                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1342                 cursorDown(cur);
1343                 break;
1344
1345         case LFUN_LAYOUT_PARAGRAPH: {
1346                 string data;
1347                 params2string(cur.paragraph(), data);
1348                 data = "show\n" + data;
1349                 bv->owner()->getDialogs().show("paragraph", data);
1350                 break;
1351         }
1352
1353         case LFUN_PARAGRAPH_UPDATE: {
1354                 if (!bv->owner()->getDialogs().visible("paragraph"))
1355                         break;
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->owner()->getDialogs().update("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                 bv->owner()->getLyXFunc().handleKeyFunc(cmd.action);
1385                 if (!cmd.argument().empty())
1386                         // FIXME: Are all these characters encoded in one byte in utf8?
1387                         bv->owner()->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->owner()->getDialogs().show("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(lyx::to_utf8(_("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_WORD_DELETE_FORWARD:
1710         case LFUN_WORD_DELETE_BACKWARD:
1711         case LFUN_LINE_DELETE:
1712         case LFUN_WORD_FORWARD:
1713         case LFUN_WORD_BACKWARD:
1714         case LFUN_CHAR_FORWARD:
1715         case LFUN_CHAR_FORWARD_SELECT:
1716         case LFUN_CHAR_BACKWARD:
1717         case LFUN_CHAR_BACKWARD_SELECT:
1718         case LFUN_UP:
1719         case LFUN_UP_SELECT:
1720         case LFUN_DOWN:
1721         case LFUN_DOWN_SELECT:
1722         case LFUN_PARAGRAPH_UP_SELECT:
1723         case LFUN_PARAGRAPH_DOWN_SELECT:
1724         case LFUN_SCREEN_UP_SELECT:
1725         case LFUN_SCREEN_DOWN_SELECT:
1726         case LFUN_LINE_BEGIN_SELECT:
1727         case LFUN_LINE_END_SELECT:
1728         case LFUN_WORD_FORWARD_SELECT:
1729         case LFUN_WORD_BACKWARD_SELECT:
1730         case LFUN_WORD_SELECT:
1731         case LFUN_PARAGRAPH_UP:
1732         case LFUN_PARAGRAPH_DOWN:
1733         case LFUN_SCREEN_UP:
1734         case LFUN_SCREEN_DOWN:
1735         case LFUN_LINE_BEGIN:
1736         case LFUN_LINE_END:
1737         case LFUN_BREAK_LINE:
1738         case LFUN_CHAR_DELETE_FORWARD:
1739         case LFUN_DELETE_FORWARD_SKIP:
1740         case LFUN_CHAR_DELETE_BACKWARD:
1741         case LFUN_DELETE_BACKWARD_SKIP:
1742         case LFUN_BREAK_PARAGRAPH:
1743         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1744         case LFUN_BREAK_PARAGRAPH_SKIP:
1745         case LFUN_PARAGRAPH_SPACING:
1746         case LFUN_INSET_INSERT:
1747         case LFUN_WORD_UPCASE:
1748         case LFUN_WORD_LOWCASE:
1749         case LFUN_WORD_CAPITALIZE:
1750         case LFUN_CHARS_TRANSPOSE:
1751         case LFUN_SERVER_GET_XY:
1752         case LFUN_SERVER_SET_XY:
1753         case LFUN_SERVER_GET_FONT:
1754         case LFUN_SERVER_GET_LAYOUT:
1755         case LFUN_LAYOUT:
1756         case LFUN_CLIPBOARD_PASTE:
1757         case LFUN_PRIMARY_SELECTION_PASTE:
1758         case LFUN_DATE_INSERT:
1759         case LFUN_SELF_INSERT:
1760         case LFUN_LINE_INSERT:
1761         case LFUN_PAGEBREAK_INSERT:
1762         case LFUN_MATH_DISPLAY:
1763         case LFUN_MATH_IMPORT_SELECTION:
1764         case LFUN_MATH_MODE:
1765         case LFUN_MATH_MACRO:
1766         case LFUN_MATH_INSERT:
1767         case LFUN_MATH_MATRIX:
1768         case LFUN_MATH_DELIM:
1769         case LFUN_MATH_BIGDELIM:
1770         case LFUN_MATH_SUBSCRIPT:
1771         case LFUN_MATH_SUPERSCRIPT:
1772         case LFUN_FONT_DEFAULT:
1773         case LFUN_FONT_UNDERLINE:
1774         case LFUN_FONT_SIZE:
1775         case LFUN_LANGUAGE:
1776         case LFUN_FONT_FREE_APPLY:
1777         case LFUN_FONT_FREE_UPDATE:
1778         case LFUN_LAYOUT_PARAGRAPH:
1779         case LFUN_PARAGRAPH_UPDATE:
1780         case LFUN_ACCENT_UMLAUT:
1781         case LFUN_ACCENT_CIRCUMFLEX:
1782         case LFUN_ACCENT_GRAVE:
1783         case LFUN_ACCENT_ACUTE:
1784         case LFUN_ACCENT_TILDE:
1785         case LFUN_ACCENT_CEDILLA:
1786         case LFUN_ACCENT_MACRON:
1787         case LFUN_ACCENT_DOT:
1788         case LFUN_ACCENT_UNDERDOT:
1789         case LFUN_ACCENT_UNDERBAR:
1790         case LFUN_ACCENT_CARON:
1791         case LFUN_ACCENT_SPECIAL_CARON:
1792         case LFUN_ACCENT_BREVE:
1793         case LFUN_ACCENT_TIE:
1794         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1795         case LFUN_ACCENT_CIRCLE:
1796         case LFUN_ACCENT_OGONEK:
1797         case LFUN_CHANGE_ACCEPT:
1798         case LFUN_CHANGE_REJECT:
1799         case LFUN_THESAURUS_ENTRY:
1800         case LFUN_PARAGRAPH_PARAMS_APPLY:
1801         case LFUN_ESCAPE:
1802         case LFUN_BUFFER_END:
1803         case LFUN_BUFFER_BEGIN:
1804         case LFUN_BUFFER_BEGIN_SELECT:
1805         case LFUN_BUFFER_END_SELECT:
1806                 // these are handled in our dispatch()
1807                 enable = true;
1808                 break;
1809
1810         default:
1811                 return false;
1812         }
1813
1814         if (code != InsetBase::NO_CODE
1815             && (cur.empty() || !cur.inset().insetAllowed(code)))
1816                 enable = false;
1817
1818         flag.enabled(enable);
1819         return true;
1820 }