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/Clipboard.h"
  51 #include "frontends/Selection.h"
  52
  53 #include "insets/insetcommand.h"
  54 #include "insets/insetfloatlist.h"
  55 #include "insets/insetnewline.h"
  56 #include "insets/insetquotes.h"
  57 #include "insets/insetspecialchar.h"
  58 #include "insets/insettext.h"
  59
  60 #include "support/lstrings.h"
  61 #include "support/lyxlib.h"
  62 #include "support/convert.h"
  63 #include "support/lyxtime.h"
  64
  65 #include "mathed/InsetMathHull.h"
  66 #include "mathed/MathMacroTemplate.h"
  67
  68 #include <boost/current_function.hpp>
  69
  70 #include <clocale>
  71 #include <sstream>
  72
  73 using lyx::char_type;
  74 using lyx::docstring;
  75 using lyx::pos_type;
  76
  77 using lyx::cap::copySelection;
  78 using lyx::cap::cutSelection;
  79 using lyx::cap::pasteSelection;
  80 using lyx::cap::replaceSelection;
  81
  82 using lyx::support::isStrUnsignedInt;
  83 using lyx::support::token;
  84
  85 using std::endl;
  86 using std::string;
  87 using std::istringstream;
  88 using std::ostringstream;
  89
  90
  91 extern string current_layout;
  92
  93
  94 namespace {
  95
  96         // globals...
  97         LyXFont freefont(LyXFont::ALL_IGNORE);
  98         bool toggleall = false;
  99
 100
 101         void toggleAndShow(LCursor & cur, LyXText * text,
 102                 LyXFont const & font, bool toggleall = true)
 103         {
 104                 text->toggleFree(cur, font, toggleall);
 105
 106                 if (font.language() != ignore_language ||
 107                                 font.number() != LyXFont::IGNORE) {
 108                         Paragraph & par = cur.paragraph();
 109                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 110                         if (cur.boundary() !=
 111                                         text->bidi.isBoundary(cur.buffer(), par,
 112                                                         cur.pos(),
 113                                                         text->real_current_font))
 114                                 text->setCursor(cur, cur.pit(), cur.pos(),
 115                                                 false, !cur.boundary());
 116                 }
 117         }
 118
 119
 120         void moveCursor(LCursor & cur, bool selecting)
 121         {
 122                 if (selecting || cur.mark())
 123                         cur.setSelection();
 124                 if (!cur.selection())
 125                         theSelection().haveSelection(false);
 126                 cur.bv().switchKeyMap();
 127         }
 128
 129
 130         void finishChange(LCursor & cur, bool selecting)
 131         {
 132                 finishUndo();
 133                 moveCursor(cur, selecting);
 134         }
 135
 136
 137         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 138         {
 139                 recordUndo(cur);
 140                 string sel = lyx::to_utf8(cur.selectionAsString(false));
 141                 //lyxerr << "selection is: '" << sel << "'" << endl;
 142
 143                 // It may happen that sel is empty but there is a selection
 144                 replaceSelection(cur);
 145
 146                 if (sel.empty()) {
 147                         const int old_pos = cur.pos();
 148                         cur.insert(new InsetMathHull(hullSimple));
 149                         BOOST_ASSERT(old_pos == cur.pos());
 150                         cur.nextInset()->edit(cur, true);
 151                         // don't do that also for LFUN_MATH_MODE
 152                         // unless you want end up with always changing
 153                         // to mathrm when opening an inlined inset --
 154                         // I really hate "LyXfunc overloading"...
 155                         if (display)
 156                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 157                         // Avoid an unnecessary undo step if cmd.argument
 158                         // is empty
 159                         if (!cmd.argument().empty())
 160                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 161                                                          cmd.argument()));
 162                 } else {
 163                         // create a macro if we see "\\newcommand"
 164                         // somewhere, and an ordinary formula
 165                         // otherwise
 166                         istringstream is(sel);
 167                         if (sel.find("\\newcommand") == string::npos
 168                             && sel.find("\\def") == string::npos)
 169                         {
 170                                 InsetMathHull * formula = new InsetMathHull;
 171                                 LyXLex lex(0, 0);
 172                                 lex.setStream(is);
 173                                 formula->read(cur.buffer(), lex);
 174                                 if (formula->getType() == hullNone)
 175                                         // Don't create pseudo formulas if
 176                                         // delimiters are left out
 177                                         formula->mutate(hullSimple);
 178                                 cur.insert(formula);
 179                         } else
 180                                 cur.insert(new MathMacroTemplate(is));
 181                 }
 182                 cur.message(lyx::from_utf8(N_("Math editor mode")));
 183         }
 184
 185 } // namespace anon
 186
 187
 188
 189 namespace bv_funcs {
 190
 191 string const freefont2string()
 192 {
 193         string data;
 194         if (font2string(freefont, toggleall, data))
 195                 return data;
 196         return string();
 197 }
 198
 199 }
 200
 201 bool LyXText::cursorPrevious(LCursor & cur)
 202 {
 203         pos_type cpos = cur.pos();
 204         lyx::pit_type cpar = cur.pit();
 205
 206         int x = cur.x_target();
 207
 208         bool updated = setCursorFromCoordinates(cur, x, 0);
 209         if (updated)
 210                 cur.bv().update();
 211         updated |= cursorUp(cur);
 212
 213         if (cpar == cur.pit() && cpos == cur.pos()) {
 214                 // we have a row which is taller than the workarea. The
 215                 // simplest solution is to move to the previous row instead.
 216                 updated |= cursorUp(cur);
 217         }
 218
 219         finishUndo();
 220         return updated;
 221 }
 222
 223
 224 bool LyXText::cursorNext(LCursor & cur)
 225 {
 226         pos_type cpos = cur.pos();
 227         lyx::pit_type cpar = cur.pit();
 228
 229         int x = cur.x_target();
 230         bool updated = setCursorFromCoordinates(cur, x, cur.bv().workHeight() - 1);
 231         if (updated)
 232                 cur.bv().update();
 233         updated |= cursorDown(cur);
 234
 235         if (cpar == cur.pit() && cpos == cur.pos()) {
 236                 // we have a row which is taller than the workarea. The
 237                 // simplest solution is to move to the next row instead.
 238                 updated |= cursorDown(cur);
 239         }
 240
 241         finishUndo();
 242         return updated;
 243 }
 244
 245
 246 namespace {
 247
 248 void specialChar(LCursor & cur, InsetSpecialChar::Kind kind)
 249 {
 250         lyx::cap::replaceSelection(cur);
 251         cur.insert(new InsetSpecialChar(kind));
 252         cur.posRight();
 253 }
 254
 255
 256 bool doInsertInset(LCursor & cur, LyXText * text,
 257         FuncRequest const & cmd, bool edit, bool pastesel)
 258 {
 259         InsetBase * inset = createInset(&cur.bv(), cmd);
 260         if (!inset)
 261                 return false;
 262
 263         recordUndo(cur);
 264         bool gotsel = false;
 265         if (cur.selection()) {
 266                 lyx::dispatch(FuncRequest(LFUN_CUT));
 267                 gotsel = true;
 268         }
 269         text->insertInset(cur, inset);
 270
 271         if (edit)
 272                 inset->edit(cur, true);
 273
 274         if (gotsel && pastesel) {
 275                 lyx::dispatch(FuncRequest(LFUN_PASTE));
 276                 // reset first par to default
 277                 if (cur.lastpit() != 0 || cur.lastpos() != 0) {
 278                         LyXLayout_ptr const layout =
 279                                 cur.buffer().params().getLyXTextClass().defaultLayout();
 280                         cur.text()->paragraphs().begin()->layout(layout);
 281                 }
 282         }
 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->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 << lyx::to_utf8(_("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                 needsUpdate = dissolveInset(cur);
 714                 break;
 715
 716         case LFUN_INSET_SETTINGS:
 717                 cur.inset().showInsetDialog(bv);
 718                 break;
 719
 720         case LFUN_SPACE_INSERT:
 721                 if (cur.paragraph().layout()->free_spacing)
 722                         insertChar(cur, ' ');
 723                 else {
 724                         doInsertInset(cur, this, cmd, false, false);
 725                         cur.posRight();
 726                 }
 727                 moveCursor(cur, false);
 728                 break;
 729
 730         case LFUN_HYPHENATION_POINT_INSERT:
 731                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 732                 break;
 733
 734         case LFUN_LIGATURE_BREAK_INSERT:
 735                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 736                 break;
 737
 738         case LFUN_DOTS_INSERT:
 739                 specialChar(cur, InsetSpecialChar::LDOTS);
 740                 break;
 741
 742         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 743                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 744                 break;
 745
 746         case LFUN_MENU_SEPARATOR_INSERT:
 747                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 748                 break;
 749
 750         case LFUN_WORD_UPCASE:
 751                 changeCase(cur, LyXText::text_uppercase);
 752                 break;
 753
 754         case LFUN_WORD_LOWCASE:
 755                 changeCase(cur, LyXText::text_lowercase);
 756                 break;
 757
 758         case LFUN_WORD_CAPITALIZE:
 759                 changeCase(cur, LyXText::text_capitalization);
 760                 break;
 761
 762         case LFUN_CHARS_TRANSPOSE:
 763                 recordUndo(cur);
 764                 break;
 765
 766         case LFUN_PASTE:
 767                 cur.message(_("Paste"));
 768                 lyx::cap::replaceSelection(cur);
 769                 if (isStrUnsignedInt(lyx::to_utf8(cmd.argument())))
 770                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 771                         convert<unsigned int>(lyx::to_utf8(cmd.argument())));
 772                 else
 773                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 774                         0);
 775                 bv->buffer()->errors("Paste");
 776                 cur.clearSelection(); // bug 393
 777                 bv->switchKeyMap();
 778                 finishUndo();
 779                 break;
 780
 781         case LFUN_CUT:
 782                 cutSelection(cur, true, true);
 783                 cur.message(_("Cut"));
 784                 break;
 785
 786         case LFUN_COPY:
 787                 copySelection(cur);
 788                 cur.message(_("Copy"));
 789                 break;
 790
 791         case LFUN_SERVER_GET_XY:
 792                 cur.message(lyx::from_utf8(
 793                         convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 794                           + convert<string>(cursorY(cur.top(), cur.boundary()))));
 795                 break;
 796
 797         case LFUN_SERVER_SET_XY: {
 798                 int x = 0;
 799                 int y = 0;
 800                 istringstream is(lyx::to_utf8(cmd.argument()));
 801                 is >> x >> y;
 802                 if (!is)
 803                         lyxerr << "SETXY: Could not parse coordinates in '"
 804                                << lyx::to_utf8(cmd.argument()) << std::endl;
 805                 else
 806                         setCursorFromCoordinates(cur, x, y);
 807                 break;
 808         }
 809
 810         case LFUN_SERVER_GET_FONT:
 811                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 812                         cur.message(lyx::from_ascii("E"));
 813                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 814                         cur.message(lyx::from_ascii("N"));
 815                 else
 816                         cur.message(lyx::from_ascii("0"));
 817                 break;
 818
 819         case LFUN_SERVER_GET_LAYOUT:
 820                 cur.message(lyx::from_utf8(cur.paragraph().layout()->name()));
 821                 break;
 822
 823         case LFUN_LAYOUT: {
 824                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 825                   << lyx::to_utf8(cmd.argument()) << endl;
 826
 827                 // This is not the good solution to the empty argument
 828                 // problem, but it will hopefully suffice for 1.2.0.
 829                 // The correct solution would be to augument the
 830                 // function list/array with information about what
 831                 // functions needs arguments and their type.
 832                 if (cmd.argument().empty()) {
 833                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 834                         break;
 835                 }
 836
 837                 // Derive layout number from given argument (string)
 838                 // and current buffer's textclass (number)
 839                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 840                 bool hasLayout = tclass.hasLayout(lyx::to_utf8(cmd.argument()));
 841                 string layout = lyx::to_utf8(cmd.argument());
 842
 843                 // If the entry is obsolete, use the new one instead.
 844                 if (hasLayout) {
 845                         string const & obs = tclass[layout]->obsoleted_by();
 846                         if (!obs.empty())
 847                                 layout = obs;
 848                 }
 849
 850                 if (!hasLayout) {
 851                         cur.errorMessage(lyx::from_utf8(N_("Layout ")) + cmd.argument() +
 852                                 lyx::from_utf8(N_(" not known")));
 853                         break;
 854                 }
 855
 856                 bool change_layout = (current_layout != layout);
 857
 858                 if (!change_layout && cur.selection() &&
 859                         cur.selBegin().pit() != cur.selEnd().pit())
 860                 {
 861                         pit_type spit = cur.selBegin().pit();
 862                         pit_type epit = cur.selEnd().pit() + 1;
 863                         while (spit != epit) {
 864                                 if (pars_[spit].layout()->name() != current_layout) {
 865                                         change_layout = true;
 866                                         break;
 867                                 }
 868                                 ++spit;
 869                         }
 870                 }
 871
 872                 if (change_layout) {
 873                         current_layout = layout;
 874                         setLayout(cur, layout);
 875                         // inform the GUI that the layout has changed.
 876                         bv->layoutChanged(layout);
 877                         bv->switchKeyMap();
 878                 }
 879                 break;
 880         }
 881
 882         case LFUN_CLIPBOARD_PASTE: {
 883                 cur.clearSelection();
 884                 docstring const clip = theClipboard().get();
 885                 if (!clip.empty()) {
 886                         recordUndo(cur);
 887                         if (cmd.argument() == "paragraph")
 888                                 insertStringAsParagraphs(cur, clip);
 889                         else
 890                                 insertStringAsLines(cur, clip);
 891                 }
 892                 break;
 893         }
 894
 895         case LFUN_PRIMARY_SELECTION_PASTE: {
 896                 cur.clearSelection();
 897                 docstring const clip = theSelection().get();
 898                 if (!clip.empty()) {
 899                         recordUndo(cur);
 900                         if (cmd.argument() == "paragraph")
 901                                 insertStringAsParagraphs(cur, clip);
 902                         else
 903                                 insertStringAsLines(cur, clip);
 904                 }
 905                 break;
 906         }
 907
 908         case LFUN_QUOTE_INSERT: {
 909                 lyx::cap::replaceSelection(cur);
 910                 Paragraph & par = cur.paragraph();
 911                 lyx::pos_type pos = cur.pos();
 912                 lyx::char_type c;
 913                 if (pos == 0)
 914                         c = ' ';
 915                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 916                         c = ' ';
 917                 else
 918                         c = par.getChar(pos - 1);
 919
 920                 LyXLayout_ptr const & style = par.layout();
 921
 922                 BufferParams const & bufparams = bv->buffer()->params();
 923                 if (!style->pass_thru
 924                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 925                         string arg = lyx::to_utf8(cmd.argument());
 926                         if (arg == "single")
 927                                 cur.insert(new InsetQuotes(c,
 928                                     bufparams.quotes_language,
 929                                     InsetQuotes::SingleQ));
 930                         else
 931                                 cur.insert(new InsetQuotes(c,
 932                                     bufparams.quotes_language,
 933                                     InsetQuotes::DoubleQ));
 934                         cur.posRight();
 935                 }
 936                 else
 937                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 938                 break;
 939         }
 940
 941         case LFUN_DATE_INSERT:
 942                 if (cmd.argument().empty())
 943                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 944                                 lyx::formatted_time(lyx::current_time())));
 945                 else
 946                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 947                                 lyx::formatted_time(lyx::current_time(), lyx::to_utf8(cmd.argument()))));
 948                 break;
 949
 950         case LFUN_MOUSE_TRIPLE:
 951                 if (cmd.button() == mouse_button::button1) {
 952                         cursorHome(cur);
 953                         cur.resetAnchor();
 954                         cursorEnd(cur);
 955                         cur.setSelection();
 956                         bv->cursor() = cur;
 957                         theSelection().haveSelection(cur.selection());
 958                 }
 959                 break;
 960
 961         case LFUN_MOUSE_DOUBLE:
 962                 if (cmd.button() == mouse_button::button1) {
 963                         selectWord(cur, lyx::WHOLE_WORD_STRICT);
 964                         bv->cursor() = cur;
 965                         theSelection().haveSelection(cur.selection());
 966                 }
 967                 break;
 968
 969         // Single-click on work area
 970         case LFUN_MOUSE_PRESS: {
 971                 // Right click on a footnote flag opens float menu
 972                 if (cmd.button() == mouse_button::button3)
 973                         cur.clearSelection();
 974
 975                 // Middle button press pastes if we have a selection
 976                 // We do this here as if the selection was inside an inset
 977                 // it could get cleared on the unlocking of the inset so
 978                 // we have to check this first
 979                 bool paste_internally = false;
 980                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 981                         lyx::dispatch(FuncRequest(LFUN_COPY));
 982                         paste_internally = true;
 983                 }
 984
 985                 bv->mouseSetCursor(cur);
 986
 987                 // Insert primary selection with middle mouse
 988                 // if there is a local selection in the current buffer,
 989                 // insert this
 990                 if (cmd.button() == mouse_button::button2) {
 991                         if (paste_internally)
 992                                 lyx::dispatch(FuncRequest(LFUN_PASTE));
 993                         else
 994                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 995                 }
 996
 997                 break;
 998         }
 999
1000         case LFUN_MOUSE_MOTION: {
1001                 // Only use motion with button 1
1002                 //if (cmd.button() != mouse_button::button1)
1003                 //      return false;
1004
1005                 // ignore motions deeper nested than the real anchor
1006                 LCursor & bvcur = cur.bv().cursor();
1007                 if (bvcur.anchor_.hasPart(cur)) {
1008                         CursorSlice old = bvcur.top();
1009
1010                         int const wh = bv->workHeight();
1011                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1012
1013                         setCursorFromCoordinates(cur, cmd.x, y);
1014                         cur.x_target() = cmd.x;
1015                         if (cmd.y >= wh)
1016                                 cursorDown(cur);
1017                         else if (cmd.y < 0)
1018                                 cursorUp(cur);
1019                         // This is to allow jumping over large insets
1020                         if (cur.top() == old) {
1021                                 if (cmd.y >= wh)
1022                                         cursorDown(cur);
1023                                 else if (cmd.y < 0)
1024                                         cursorUp(cur);
1025                         }
1026
1027                         if (cur.top() == old)
1028                                 cur.noUpdate();
1029                         else {
1030                                 // don't set anchor_
1031                                 bvcur.setCursor(cur);
1032                                 bvcur.selection() = true;
1033                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1034                         }
1035
1036                 } else
1037                         cur.undispatched();
1038                 break;
1039         }
1040
1041         case LFUN_MOUSE_RELEASE: {
1042                 if (cmd.button() == mouse_button::button2)
1043                         break;
1044
1045                 // finish selection
1046                 if (cmd.button() == mouse_button::button1)
1047                         theSelection().haveSelection(cur.selection());
1048
1049                 bv->switchKeyMap();
1050                 break;
1051         }
1052
1053         case LFUN_SELF_INSERT: {
1054                 if (cmd.argument().empty())
1055                         break;
1056
1057                 // Automatically delete the currently selected
1058                 // text and replace it with what is being
1059                 // typed in now. Depends on lyxrc settings
1060                 // "auto_region_delete", which defaults to
1061                 // true (on).
1062
1063                 if (lyxrc.auto_region_delete) {
1064                         if (cur.selection())
1065                                 cutSelection(cur, false, false);
1066                         theSelection().haveSelection(false);
1067                 }
1068
1069                 cur.clearSelection();
1070                 LyXFont const old_font = real_current_font;
1071
1072                 docstring::const_iterator cit = cmd.argument().begin();
1073                 docstring::const_iterator end = cmd.argument().end();
1074                 for (; cit != end; ++cit)
1075 #if 0
1076                         bv->getIntl().getTransManager().
1077                                 translateAndInsert(*cit, this);
1078 #else
1079                         insertChar(bv->cursor(), *cit);
1080 #endif
1081
1082                 cur.resetAnchor();
1083                 moveCursor(cur, false);
1084                 break;
1085         }
1086
1087         case LFUN_URL_INSERT: {
1088                 InsetCommandParams p("url");
1089                 string const data = InsetCommandMailer::params2string("url", p);
1090                 bv->showInsetDialog("url", data, 0);
1091                 break;
1092         }
1093
1094         case LFUN_HTML_INSERT: {
1095                 InsetCommandParams p("htmlurl");
1096                 string const data = InsetCommandMailer::params2string("url", p);
1097                 bv->showInsetDialog("url", data, 0);
1098                 break;
1099         }
1100
1101         case LFUN_LABEL_INSERT: {
1102                 InsetCommandParams p("label");
1103                 // Try to generate a valid label
1104                 p["name"] = (cmd.argument().empty()) ?
1105                         // FIXME UNICODE
1106                         lyx::from_utf8(cur.getPossibleLabel()) :
1107                         cmd.argument();
1108                 string const data = InsetCommandMailer::params2string("label", p);
1109
1110                 if (cmd.argument().empty()) {
1111                         bv->showInsetDialog("label", data, 0);
1112                 } else {
1113                         FuncRequest fr(LFUN_INSET_INSERT, data);
1114                         dispatch(cur, fr);
1115                 }
1116                 break;
1117         }
1118
1119
1120 #if 0
1121         case LFUN_LIST_INSERT:
1122         case LFUN_THEOREM_INSERT:
1123         case LFUN_CAPTION_INSERT:
1124 #endif
1125         case LFUN_NOTE_INSERT:
1126         case LFUN_CHARSTYLE_INSERT:
1127         case LFUN_BOX_INSERT:
1128         case LFUN_BRANCH_INSERT:
1129         case LFUN_BIBITEM_INSERT:
1130         case LFUN_ERT_INSERT:
1131         case LFUN_FOOTNOTE_INSERT:
1132         case LFUN_MARGINALNOTE_INSERT:
1133         case LFUN_OPTIONAL_INSERT:
1134         case LFUN_ENVIRONMENT_INSERT:
1135                 // Open the inset, and move the current selection
1136                 // inside it.
1137                 doInsertInset(cur, this, cmd, true, true);
1138                 cur.posRight();
1139                 break;
1140
1141         case LFUN_TABULAR_INSERT:
1142                 // if there were no arguments, just open the dialog
1143                 if (doInsertInset(cur, this, cmd, false, true))
1144                         cur.posRight();
1145                 else
1146                         bv->showDialog("tabularcreate");
1147
1148                 break;
1149
1150         case LFUN_FLOAT_INSERT:
1151         case LFUN_FLOAT_WIDE_INSERT:
1152         case LFUN_WRAP_INSERT:
1153                 doInsertInset(cur, this, cmd, true, true);
1154                 cur.posRight();
1155                 // FIXME: the "Caption" name should not be hardcoded,
1156                 // but given by the float definition.
1157                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1158                 break;
1159
1160         case LFUN_INDEX_INSERT: {
1161                 InsetBase * inset = createInset(&cur.bv(), cmd);
1162                 if (!inset)
1163                         break;
1164
1165                 recordUndo(cur);
1166                 cur.clearSelection();
1167                 insertInset(cur, inset);
1168                 inset->edit(cur, true);
1169                 cur.posRight();
1170                 break;
1171         }
1172
1173         case LFUN_INDEX_PRINT:
1174         case LFUN_TOC_INSERT:
1175         case LFUN_HFILL_INSERT:
1176         case LFUN_LINE_INSERT:
1177         case LFUN_PAGEBREAK_INSERT:
1178                 // do nothing fancy
1179                 doInsertInset(cur, this, cmd, false, false);
1180                 cur.posRight();
1181                 break;
1182
1183         case LFUN_DEPTH_DECREMENT:
1184                 changeDepth(cur, DEC_DEPTH);
1185                 break;
1186
1187         case LFUN_DEPTH_INCREMENT:
1188                 changeDepth(cur, INC_DEPTH);
1189                 break;
1190
1191         case LFUN_MATH_DISPLAY:
1192                 mathDispatch(cur, cmd, true);
1193                 break;
1194
1195         case LFUN_MATH_IMPORT_SELECTION:
1196         case LFUN_MATH_MODE:
1197                 if (cmd.argument() == "on")
1198                         // don't pass "on" as argument
1199                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1200                 else
1201                         mathDispatch(cur, cmd, false);
1202                 break;
1203
1204         case LFUN_MATH_MACRO:
1205                 if (cmd.argument().empty())
1206                         cur.errorMessage(lyx::from_utf8(N_("Missing argument")));
1207                 else {
1208                         string s = lyx::to_utf8(cmd.argument());
1209                         string const s1 = token(s, ' ', 1);
1210                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1211                         string const s2 = token(s, ' ', 2);
1212                         string const type = s2.empty() ? "newcommand" : s2;
1213                         cur.insert(new MathMacroTemplate(token(s, ' ', 0), nargs, type));
1214                         //cur.nextInset()->edit(cur, true);
1215                 }
1216                 break;
1217
1218         // passthrough hat and underscore outside mathed:
1219         case LFUN_MATH_SUBSCRIPT:
1220                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1221                 break;
1222         case LFUN_MATH_SUPERSCRIPT:
1223                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1224                 break;
1225
1226         case LFUN_MATH_INSERT:
1227         case LFUN_MATH_MATRIX:
1228         case LFUN_MATH_DELIM:
1229         case LFUN_MATH_BIGDELIM: {
1230                 cur.insert(new InsetMathHull(hullSimple));
1231                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1232                 cur.dispatch(cmd);
1233                 break;
1234         }
1235
1236         case LFUN_FONT_EMPH: {
1237                 LyXFont font(LyXFont::ALL_IGNORE);
1238                 font.setEmph(LyXFont::TOGGLE);
1239                 toggleAndShow(cur, this, font);
1240                 break;
1241         }
1242
1243         case LFUN_FONT_BOLD: {
1244                 LyXFont font(LyXFont::ALL_IGNORE);
1245                 font.setSeries(LyXFont::BOLD_SERIES);
1246                 toggleAndShow(cur, this, font);
1247                 break;
1248         }
1249
1250         case LFUN_FONT_NOUN: {
1251                 LyXFont font(LyXFont::ALL_IGNORE);
1252                 font.setNoun(LyXFont::TOGGLE);
1253                 toggleAndShow(cur, this, font);
1254                 break;
1255         }
1256
1257         case LFUN_FONT_CODE: {
1258                 LyXFont font(LyXFont::ALL_IGNORE);
1259                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1260                 toggleAndShow(cur, this, font);
1261                 break;
1262         }
1263
1264         case LFUN_FONT_SANS: {
1265                 LyXFont font(LyXFont::ALL_IGNORE);
1266                 font.setFamily(LyXFont::SANS_FAMILY);
1267                 toggleAndShow(cur, this, font);
1268                 break;
1269         }
1270
1271         case LFUN_FONT_ROMAN: {
1272                 LyXFont font(LyXFont::ALL_IGNORE);
1273                 font.setFamily(LyXFont::ROMAN_FAMILY);
1274                 toggleAndShow(cur, this, font);
1275                 break;
1276         }
1277
1278         case LFUN_FONT_DEFAULT: {
1279                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1280                 toggleAndShow(cur, this, font);
1281                 break;
1282         }
1283
1284         case LFUN_FONT_UNDERLINE: {
1285                 LyXFont font(LyXFont::ALL_IGNORE);
1286                 font.setUnderbar(LyXFont::TOGGLE);
1287                 toggleAndShow(cur, this, font);
1288                 break;
1289         }
1290
1291         case LFUN_FONT_SIZE: {
1292                 LyXFont font(LyXFont::ALL_IGNORE);
1293                 font.setLyXSize(lyx::to_utf8(cmd.argument()));
1294                 toggleAndShow(cur, this, font);
1295                 break;
1296         }
1297
1298         case LFUN_LANGUAGE: {
1299                 Language const * lang = languages.getLanguage(lyx::to_utf8(cmd.argument()));
1300                 if (!lang)
1301                         break;
1302                 LyXFont font(LyXFont::ALL_IGNORE);
1303                 font.setLanguage(lang);
1304                 toggleAndShow(cur, this, font);
1305                 bv->switchKeyMap();
1306                 break;
1307         }
1308
1309         case LFUN_FONT_FREE_APPLY:
1310                 toggleAndShow(cur, this, freefont, toggleall);
1311                 cur.message(_("Character set"));
1312                 break;
1313
1314         // Set the freefont using the contents of \param data dispatched from
1315         // the frontends and apply it at the current cursor location.
1316         case LFUN_FONT_FREE_UPDATE: {
1317                 LyXFont font;
1318                 bool toggle;
1319                 if (bv_funcs::string2font(lyx::to_utf8(cmd.argument()), font, toggle)) {
1320                         freefont = font;
1321                         toggleall = toggle;
1322                         toggleAndShow(cur, this, freefont, toggleall);
1323                         cur.message(_("Character set"));
1324                 }
1325                 break;
1326         }
1327
1328         case LFUN_FINISHED_LEFT:
1329                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1330                 break;
1331
1332         case LFUN_FINISHED_RIGHT:
1333                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1334                 ++cur.pos();
1335                 break;
1336
1337         case LFUN_FINISHED_UP:
1338                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1339                 cursorUp(cur);
1340                 break;
1341
1342         case LFUN_FINISHED_DOWN:
1343                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1344                 cursorDown(cur);
1345                 break;
1346
1347         case LFUN_LAYOUT_PARAGRAPH: {
1348                 string data;
1349                 params2string(cur.paragraph(), data);
1350                 data = "show\n" + data;
1351                 bv->showDialogWithData("paragraph", data);
1352                 break;
1353         }
1354
1355         case LFUN_PARAGRAPH_UPDATE: {
1356                 string data;
1357                 params2string(cur.paragraph(), data);
1358
1359                 // Will the paragraph accept changes from the dialog?
1360                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1361
1362                 data = "update " + convert<string>(accept) + '\n' + data;
1363                 bv->updateDialog("paragraph", data);
1364                 break;
1365         }
1366
1367         case LFUN_ACCENT_UMLAUT:
1368         case LFUN_ACCENT_CIRCUMFLEX:
1369         case LFUN_ACCENT_GRAVE:
1370         case LFUN_ACCENT_ACUTE:
1371         case LFUN_ACCENT_TILDE:
1372         case LFUN_ACCENT_CEDILLA:
1373         case LFUN_ACCENT_MACRON:
1374         case LFUN_ACCENT_DOT:
1375         case LFUN_ACCENT_UNDERDOT:
1376         case LFUN_ACCENT_UNDERBAR:
1377         case LFUN_ACCENT_CARON:
1378         case LFUN_ACCENT_SPECIAL_CARON:
1379         case LFUN_ACCENT_BREVE:
1380         case LFUN_ACCENT_TIE:
1381         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1382         case LFUN_ACCENT_CIRCLE:
1383         case LFUN_ACCENT_OGONEK:
1384                 theLyXFunc().handleKeyFunc(cmd.action);
1385                 if (!cmd.argument().empty())
1386                         // FIXME: Are all these characters encoded in one byte in utf8?
1387                         bv->getIntl().getTransManager()
1388                                 .translateAndInsert(cmd.argument()[0], this);
1389                 break;
1390
1391         case LFUN_FLOAT_LIST: {
1392                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1393                 if (tclass.floats().typeExist(lyx::to_utf8(cmd.argument()))) {
1394                         // not quite sure if we want this...
1395                         recordUndo(cur);
1396                         cur.clearSelection();
1397                         breakParagraph(cur);
1398
1399                         if (cur.lastpos() != 0) {
1400                                 cursorLeft(cur);
1401                                 breakParagraph(cur);
1402                         }
1403
1404                         setLayout(cur, tclass.defaultLayoutName());
1405                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1406                         insertInset(cur, new InsetFloatList(lyx::to_utf8(cmd.argument())));
1407                         cur.posRight();
1408                 } else {
1409                         lyxerr << "Non-existent float type: "
1410                                << lyx::to_utf8(cmd.argument()) << endl;
1411                 }
1412                 break;
1413         }
1414
1415         case LFUN_CHANGE_ACCEPT: {
1416                 acceptChange(cur);
1417                 break;
1418         }
1419
1420         case LFUN_CHANGE_REJECT: {
1421                 rejectChange(cur);
1422                 break;
1423         }
1424
1425         case LFUN_THESAURUS_ENTRY: {
1426                 docstring arg = cmd.argument();
1427                 if (arg.empty()) {
1428                         arg = cur.selectionAsString(false);
1429                         // FIXME
1430                         if (arg.size() > 100 || arg.empty()) {
1431                                 // Get word or selection
1432                                 selectWordWhenUnderCursor(cur, lyx::WHOLE_WORD);
1433                                 arg = cur.selectionAsString(false);
1434                         }
1435                 }
1436                 bv->showDialogWithData("thesaurus", lyx::to_utf8(arg));
1437                 break;
1438         }
1439
1440         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1441                 // Given data, an encoding of the ParagraphParameters
1442                 // generated in the Paragraph dialog, this function sets
1443                 // the current paragraph appropriately.
1444                 istringstream is(lyx::to_utf8(cmd.argument()));
1445                 LyXLex lex(0, 0);
1446                 lex.setStream(is);
1447                 ParagraphParameters params;
1448                 params.read(lex);
1449                 setParagraph(cur,
1450                                          params.spacing(),
1451                                          params.align(),
1452                                          params.labelWidthString(),
1453                                          params.noindent());
1454                 cur.message(_("Paragraph layout set"));
1455                 break;
1456         }
1457
1458         case LFUN_ESCAPE:
1459                 if (cur.selection()) {
1460                         cur.selection() = false;
1461                 } else {
1462                         cur.undispatched();
1463                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1464                 }
1465                 break;
1466
1467         default:
1468                 lyxerr[Debug::ACTION]
1469                         << BOOST_CURRENT_FUNCTION
1470                         << ": Command " << cmd
1471                         << " not DISPATCHED by LyXText" << endl;
1472                 cur.undispatched();
1473                 break;
1474         }
1475
1476         if (singleParUpdate)
1477                 // Inserting characters does not change par height
1478                 if (cur.bottom().paragraph().dim().height()
1479                     == olddim.height()) {
1480                         // if so, update _only_ this paragraph
1481                         cur.bv().update(Update::SinglePar |
1482                                         Update::FitCursor |
1483                                         Update::MultiParSel);
1484                         cur.noUpdate();
1485                         return;
1486                 } else
1487                         needsUpdate = true;
1488         if (!needsUpdate
1489             && &oldTopSlice.inset() == &cur.inset()
1490             && oldTopSlice.idx() == cur.idx()
1491             && !sel
1492             && !cur.selection())
1493                 cur.noUpdate();
1494         else
1495                 cur.needsUpdate();
1496 }
1497
1498
1499 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1500                         FuncStatus & flag) const
1501 {
1502         BOOST_ASSERT(cur.text() == this);
1503
1504         LyXFont const & font = real_current_font;
1505         bool enable = true;
1506         InsetBase::Code code = InsetBase::NO_CODE;
1507
1508         switch (cmd.action) {
1509
1510         case LFUN_DEPTH_DECREMENT:
1511                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1512                 break;
1513
1514         case LFUN_DEPTH_INCREMENT:
1515                 enable = changeDepthAllowed(cur, INC_DEPTH);
1516                 break;
1517
1518         case LFUN_APPENDIX:
1519                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1520                 return true;
1521
1522         case LFUN_BIBITEM_INSERT:
1523                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1524                 break;
1525
1526         case LFUN_DIALOG_SHOW_NEW_INSET:
1527                 if (cmd.argument() == "bibitem")
1528                         code = InsetBase::BIBITEM_CODE;
1529                 else if (cmd.argument() == "bibtex")
1530                         code = InsetBase::BIBTEX_CODE;
1531                 else if (cmd.argument() == "box")
1532                         code = InsetBase::BOX_CODE;
1533                 else if (cmd.argument() == "branch")
1534                         code = InsetBase::BRANCH_CODE;
1535                 else if (cmd.argument() == "citation")
1536                         code = InsetBase::CITE_CODE;
1537                 else if (cmd.argument() == "ert")
1538                         code = InsetBase::ERT_CODE;
1539                 else if (cmd.argument() == "external")
1540                         code = InsetBase::EXTERNAL_CODE;
1541                 else if (cmd.argument() == "float")
1542                         code = InsetBase::FLOAT_CODE;
1543                 else if (cmd.argument() == "graphics")
1544                         code = InsetBase::GRAPHICS_CODE;
1545                 else if (cmd.argument() == "include")
1546                         code = InsetBase::INCLUDE_CODE;
1547                 else if (cmd.argument() == "index")
1548                         code = InsetBase::INDEX_CODE;
1549                 else if (cmd.argument() == "label")
1550                         code = InsetBase::LABEL_CODE;
1551                 else if (cmd.argument() == "note")
1552                         code = InsetBase::NOTE_CODE;
1553                 else if (cmd.argument() == "ref")
1554                         code = InsetBase::REF_CODE;
1555                 else if (cmd.argument() == "toc")
1556                         code = InsetBase::TOC_CODE;
1557                 else if (cmd.argument() == "url")
1558                         code = InsetBase::URL_CODE;
1559                 else if (cmd.argument() == "vspace")
1560                         code = InsetBase::VSPACE_CODE;
1561                 else if (cmd.argument() == "wrap")
1562                         code = InsetBase::WRAP_CODE;
1563                 break;
1564
1565         case LFUN_ERT_INSERT:
1566                 code = InsetBase::ERT_CODE;
1567                 break;
1568         case LFUN_FOOTNOTE_INSERT:
1569                 code = InsetBase::FOOT_CODE;
1570                 break;
1571         case LFUN_TABULAR_INSERT:
1572                 code = InsetBase::TABULAR_CODE;
1573                 break;
1574         case LFUN_MARGINALNOTE_INSERT:
1575                 code = InsetBase::MARGIN_CODE;
1576                 break;
1577         case LFUN_FLOAT_INSERT:
1578         case LFUN_FLOAT_WIDE_INSERT:
1579                 code = InsetBase::FLOAT_CODE;
1580                 break;
1581         case LFUN_WRAP_INSERT:
1582                 code = InsetBase::WRAP_CODE;
1583                 break;
1584         case LFUN_FLOAT_LIST:
1585                 code = InsetBase::FLOAT_LIST_CODE;
1586                 break;
1587 #if 0
1588         case LFUN_LIST_INSERT:
1589                 code = InsetBase::LIST_CODE;
1590                 break;
1591         case LFUN_THEOREM_INSERT:
1592                 code = InsetBase::THEOREM_CODE;
1593                 break;
1594 #endif
1595         case LFUN_CAPTION_INSERT:
1596                 code = InsetBase::CAPTION_CODE;
1597                 break;
1598         case LFUN_NOTE_INSERT:
1599                 code = InsetBase::NOTE_CODE;
1600                 break;
1601         case LFUN_CHARSTYLE_INSERT:
1602                 code = InsetBase::CHARSTYLE_CODE;
1603                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1604                         enable = false;
1605                 break;
1606         case LFUN_BOX_INSERT:
1607                 code = InsetBase::BOX_CODE;
1608                 break;
1609         case LFUN_BRANCH_INSERT:
1610                 code = InsetBase::BRANCH_CODE;
1611                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1612                         enable = false;
1613                 break;
1614         case LFUN_LABEL_INSERT:
1615                 code = InsetBase::LABEL_CODE;
1616                 break;
1617         case LFUN_OPTIONAL_INSERT:
1618                 code = InsetBase::OPTARG_CODE;
1619                 enable = numberOfOptArgs(cur.paragraph())
1620                         < cur.paragraph().layout()->optionalargs;
1621                 break;
1622         case LFUN_ENVIRONMENT_INSERT:
1623                 code = InsetBase::BOX_CODE;
1624                 break;
1625         case LFUN_INDEX_INSERT:
1626                 code = InsetBase::INDEX_CODE;
1627                 break;
1628         case LFUN_INDEX_PRINT:
1629                 code = InsetBase::INDEX_PRINT_CODE;
1630                 break;
1631         case LFUN_TOC_INSERT:
1632                 code = InsetBase::TOC_CODE;
1633                 break;
1634         case LFUN_HTML_INSERT:
1635         case LFUN_URL_INSERT:
1636                 code = InsetBase::URL_CODE;
1637                 break;
1638         case LFUN_QUOTE_INSERT:
1639                 // always allow this, since we will inset a raw quote
1640                 // if an inset is not allowed.
1641                 break;
1642         case LFUN_HYPHENATION_POINT_INSERT:
1643         case LFUN_LIGATURE_BREAK_INSERT:
1644         case LFUN_HFILL_INSERT:
1645         case LFUN_MENU_SEPARATOR_INSERT:
1646         case LFUN_DOTS_INSERT:
1647         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1648                 code = InsetBase::SPECIALCHAR_CODE;
1649                 break;
1650         case LFUN_SPACE_INSERT:
1651                 // slight hack: we know this is allowed in math mode
1652                 if (cur.inTexted())
1653                         code = InsetBase::SPACE_CODE;
1654                 break;
1655
1656         case LFUN_INSET_MODIFY:
1657                 // We need to disable this, because we may get called for a
1658                 // tabular cell via
1659                 // InsetTabular::getStatus() -> InsetText::getStatus()
1660                 // and we don't handle LFUN_INSET_MODIFY.
1661                 enable = false;
1662                 break;
1663
1664         case LFUN_FONT_EMPH:
1665                 flag.setOnOff(font.emph() == LyXFont::ON);
1666                 return true;
1667
1668         case LFUN_FONT_NOUN:
1669                 flag.setOnOff(font.noun() == LyXFont::ON);
1670                 return true;
1671
1672         case LFUN_FONT_BOLD:
1673                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1674                 return true;
1675
1676         case LFUN_FONT_SANS:
1677                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1678                 return true;
1679
1680         case LFUN_FONT_ROMAN:
1681                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1682                 return true;
1683
1684         case LFUN_FONT_CODE:
1685                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1686                 return true;
1687
1688         case LFUN_CUT:
1689         case LFUN_COPY:
1690                 enable = cur.selection();
1691                 break;
1692
1693         case LFUN_PASTE:
1694                 enable = lyx::cap::numberOfSelections() > 0;
1695                 break;
1696
1697         case LFUN_PARAGRAPH_MOVE_UP:
1698                 enable = cur.pit() > 0 && !cur.selection();
1699                 break;
1700
1701         case LFUN_PARAGRAPH_MOVE_DOWN:
1702                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1703                 break;
1704
1705         case LFUN_INSET_DISSOLVE:
1706                 enable = !isMainText() && cur.inset().nargs() == 1;
1707                 break;
1708
1709         case LFUN_CHANGE_ACCEPT:
1710         case LFUN_CHANGE_REJECT:
1711                 enable = true; // FIXME: Change tracking (MG)
1712                 break;
1713
1714         case LFUN_WORD_DELETE_FORWARD:
1715         case LFUN_WORD_DELETE_BACKWARD:
1716         case LFUN_LINE_DELETE:
1717         case LFUN_WORD_FORWARD:
1718         case LFUN_WORD_BACKWARD:
1719         case LFUN_CHAR_FORWARD:
1720         case LFUN_CHAR_FORWARD_SELECT:
1721         case LFUN_CHAR_BACKWARD:
1722         case LFUN_CHAR_BACKWARD_SELECT:
1723         case LFUN_UP:
1724         case LFUN_UP_SELECT:
1725         case LFUN_DOWN:
1726         case LFUN_DOWN_SELECT:
1727         case LFUN_PARAGRAPH_UP_SELECT:
1728         case LFUN_PARAGRAPH_DOWN_SELECT:
1729         case LFUN_SCREEN_UP_SELECT:
1730         case LFUN_SCREEN_DOWN_SELECT:
1731         case LFUN_LINE_BEGIN_SELECT:
1732         case LFUN_LINE_END_SELECT:
1733         case LFUN_WORD_FORWARD_SELECT:
1734         case LFUN_WORD_BACKWARD_SELECT:
1735         case LFUN_WORD_SELECT:
1736         case LFUN_PARAGRAPH_UP:
1737         case LFUN_PARAGRAPH_DOWN:
1738         case LFUN_SCREEN_UP:
1739         case LFUN_SCREEN_DOWN:
1740         case LFUN_LINE_BEGIN:
1741         case LFUN_LINE_END:
1742         case LFUN_BREAK_LINE:
1743         case LFUN_CHAR_DELETE_FORWARD:
1744         case LFUN_DELETE_FORWARD_SKIP:
1745         case LFUN_CHAR_DELETE_BACKWARD:
1746         case LFUN_DELETE_BACKWARD_SKIP:
1747         case LFUN_BREAK_PARAGRAPH:
1748         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1749         case LFUN_BREAK_PARAGRAPH_SKIP:
1750         case LFUN_PARAGRAPH_SPACING:
1751         case LFUN_INSET_INSERT:
1752         case LFUN_WORD_UPCASE:
1753         case LFUN_WORD_LOWCASE:
1754         case LFUN_WORD_CAPITALIZE:
1755         case LFUN_CHARS_TRANSPOSE:
1756         case LFUN_SERVER_GET_XY:
1757         case LFUN_SERVER_SET_XY:
1758         case LFUN_SERVER_GET_FONT:
1759         case LFUN_SERVER_GET_LAYOUT:
1760         case LFUN_LAYOUT:
1761         case LFUN_CLIPBOARD_PASTE:
1762         case LFUN_PRIMARY_SELECTION_PASTE:
1763         case LFUN_DATE_INSERT:
1764         case LFUN_SELF_INSERT:
1765         case LFUN_LINE_INSERT:
1766         case LFUN_PAGEBREAK_INSERT:
1767         case LFUN_MATH_DISPLAY:
1768         case LFUN_MATH_IMPORT_SELECTION:
1769         case LFUN_MATH_MODE:
1770         case LFUN_MATH_MACRO:
1771         case LFUN_MATH_MATRIX:
1772         case LFUN_MATH_DELIM:
1773         case LFUN_MATH_BIGDELIM:
1774         case LFUN_MATH_SUBSCRIPT:
1775         case LFUN_MATH_SUPERSCRIPT:
1776         case LFUN_FONT_DEFAULT:
1777         case LFUN_FONT_UNDERLINE:
1778         case LFUN_FONT_SIZE:
1779         case LFUN_LANGUAGE:
1780         case LFUN_FONT_FREE_APPLY:
1781         case LFUN_FONT_FREE_UPDATE:
1782         case LFUN_LAYOUT_PARAGRAPH:
1783         case LFUN_PARAGRAPH_UPDATE:
1784         case LFUN_ACCENT_UMLAUT:
1785         case LFUN_ACCENT_CIRCUMFLEX:
1786         case LFUN_ACCENT_GRAVE:
1787         case LFUN_ACCENT_ACUTE:
1788         case LFUN_ACCENT_TILDE:
1789         case LFUN_ACCENT_CEDILLA:
1790         case LFUN_ACCENT_MACRON:
1791         case LFUN_ACCENT_DOT:
1792         case LFUN_ACCENT_UNDERDOT:
1793         case LFUN_ACCENT_UNDERBAR:
1794         case LFUN_ACCENT_CARON:
1795         case LFUN_ACCENT_SPECIAL_CARON:
1796         case LFUN_ACCENT_BREVE:
1797         case LFUN_ACCENT_TIE:
1798         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1799         case LFUN_ACCENT_CIRCLE:
1800         case LFUN_ACCENT_OGONEK:
1801         case LFUN_THESAURUS_ENTRY:
1802         case LFUN_PARAGRAPH_PARAMS_APPLY:
1803         case LFUN_ESCAPE:
1804         case LFUN_BUFFER_END:
1805         case LFUN_BUFFER_BEGIN:
1806         case LFUN_BUFFER_BEGIN_SELECT:
1807         case LFUN_BUFFER_END_SELECT:
1808                 // these are handled in our dispatch()
1809                 enable = true;
1810                 break;
1811
1812         default:
1813                 return false;
1814         }
1815
1816         if (code != InsetBase::NO_CODE
1817             && (cur.empty() || !cur.inset().insetAllowed(code)))
1818                 enable = false;
1819
1820         flag.enabled(enable);
1821         return true;
1822 }