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
  74 namespace lyx {
  75
  76 using cap::copySelection;
  77 using cap::cutSelection;
  78 using cap::pasteSelection;
  79 using cap::replaceSelection;
  80
  81 using support::isStrUnsignedInt;
  82 using support::token;
  83
  84 using std::endl;
  85 using std::string;
  86 using std::istringstream;
  87 using std::ostringstream;
  88
  89
  90 extern string current_layout;
  91
  92
  93 namespace {
  94
  95         // globals...
  96         LyXFont freefont(LyXFont::ALL_IGNORE);
  97         bool toggleall = false;
  98
  99
 100         void toggleAndShow(LCursor & cur, LyXText * text,
 101                 LyXFont const & font, bool toggleall = true)
 102         {
 103                 text->toggleFree(cur, font, toggleall);
 104
 105                 if (font.language() != ignore_language ||
 106                                 font.number() != LyXFont::IGNORE) {
 107                         Paragraph & par = cur.paragraph();
 108                         text->bidi.computeTables(par, cur.buffer(), cur.textRow());
 109                         if (cur.boundary() !=
 110                                         text->bidi.isBoundary(cur.buffer(), par,
 111                                                         cur.pos(),
 112                                                         text->real_current_font))
 113                                 text->setCursor(cur, cur.pit(), cur.pos(),
 114                                                 false, !cur.boundary());
 115                 }
 116         }
 117
 118
 119         void moveCursor(LCursor & cur, bool selecting)
 120         {
 121                 if (selecting || cur.mark())
 122                         cur.setSelection();
 123                 if (!cur.selection())
 124                         theSelection().haveSelection(false);
 125                 cur.bv().switchKeyMap();
 126         }
 127
 128
 129         void finishChange(LCursor & cur, bool selecting)
 130         {
 131                 finishUndo();
 132                 moveCursor(cur, selecting);
 133         }
 134
 135
 136         void mathDispatch(LCursor & cur, FuncRequest const & cmd, bool display)
 137         {
 138                 recordUndo(cur);
 139                 docstring sel = cur.selectionAsString(false);
 140                 //lyxerr << "selection is: '" << sel << "'" << endl;
 141
 142                 // It may happen that sel is empty but there is a selection
 143                 replaceSelection(cur);
 144
 145                 if (sel.empty()) {
 146                         const int old_pos = cur.pos();
 147                         cur.insert(new InsetMathHull(hullSimple));
 148                         BOOST_ASSERT(old_pos == cur.pos());
 149                         cur.nextInset()->edit(cur, true);
 150                         // don't do that also for LFUN_MATH_MODE
 151                         // unless you want end up with always changing
 152                         // to mathrm when opening an inlined inset --
 153                         // I really hate "LyXfunc overloading"...
 154                         if (display)
 155                                 cur.dispatch(FuncRequest(LFUN_MATH_DISPLAY));
 156                         // Avoid an unnecessary undo step if cmd.argument
 157                         // is empty
 158                         if (!cmd.argument().empty())
 159                                 cur.dispatch(FuncRequest(LFUN_MATH_INSERT,
 160                                                          cmd.argument()));
 161                 } else {
 162                         // create a macro if we see "\\newcommand"
 163                         // somewhere, and an ordinary formula
 164                         // otherwise
 165                         if (sel.find(from_ascii("\\newcommand")) == string::npos
 166                             && sel.find(from_ascii("\\def")) == string::npos)
 167                         {
 168                                 InsetMathHull * formula = new InsetMathHull;
 169                                 istringstream is(to_utf8(sel));
 170                                 LyXLex lex(0, 0);
 171                                 lex.setStream(is);
 172                                 formula->read(cur.buffer(), lex);
 173                                 if (formula->getType() == hullNone)
 174                                         // Don't create pseudo formulas if
 175                                         // delimiters are left out
 176                                         formula->mutate(hullSimple);
 177                                 cur.insert(formula);
 178                         } else {
 179                                 cur.insert(new MathMacroTemplate(sel));
 180                         }
 181                 }
 182                 cur.message(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         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         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         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 } // anon namespace
 288
 289
 290 void LyXText::number(LCursor & cur)
 291 {
 292         LyXFont font(LyXFont::ALL_IGNORE);
 293         font.setNumber(LyXFont::TOGGLE);
 294         toggleAndShow(cur, this, font);
 295 }
 296
 297
 298 bool LyXText::isRTL(Paragraph const & par) const
 299 {
 300         return par.isRightToLeftPar(bv()->buffer()->params());
 301 }
 302
 303
 304 void LyXText::dispatch(LCursor & cur, FuncRequest & cmd)
 305 {
 306         lyxerr[Debug::ACTION] << "LyXText::dispatch: cmd: " << cmd << endl;
 307
 308         BOOST_ASSERT(cur.text() == this);
 309         BufferView * bv = &cur.bv();
 310         CursorSlice oldTopSlice = cur.top();
 311         bool oldBoundary = cur.boundary();
 312         bool sel = cur.selection();
 313         // Signals that, even if needsUpdate == false, an update of the
 314         // cursor paragraph is required
 315         bool singleParUpdate = lyxaction.funcHasFlag(cmd.action,
 316                 LyXAction::SingleParUpdate);
 317         // Signals that a full-screen update is required
 318         bool needsUpdate = !(lyxaction.funcHasFlag(cmd.action,
 319                 LyXAction::NoUpdate) || singleParUpdate);
 320         // Remember the old paragraph metric (_outer_ paragraph!)
 321         Dimension olddim = cur.bottom().paragraph().dim();
 322
 323         switch (cmd.action) {
 324
 325         case LFUN_PARAGRAPH_MOVE_DOWN: {
 326                 pit_type const pit = cur.pit();
 327                 recUndo(pit, pit + 1);
 328                 finishUndo();
 329                 std::swap(pars_[pit], pars_[pit + 1]);
 330
 331                 ParIterator begin(cur);
 332                 ++cur.pit();
 333                 ParIterator end = boost::next(ParIterator(cur));
 334                 updateLabels(cur.buffer(), begin, end);
 335
 336                 needsUpdate = true;
 337                 break;
 338         }
 339
 340         case LFUN_PARAGRAPH_MOVE_UP: {
 341                 pit_type const pit = cur.pit();
 342                 recUndo(pit - 1, pit);
 343                 finishUndo();
 344                 std::swap(pars_[pit], pars_[pit - 1]);
 345
 346                 ParIterator end = boost::next(ParIterator(cur));
 347                 --cur.pit();
 348                 ParIterator begin(cur);
 349                 updateLabels(cur.buffer(), begin, end);
 350
 351                 needsUpdate = true;
 352                 break;
 353         }
 354
 355         case LFUN_APPENDIX: {
 356                 Paragraph & par = cur.paragraph();
 357                 bool start = !par.params().startOfAppendix();
 358
 359 #ifdef WITH_WARNINGS
 360 #warning The code below only makes sense at top level.
 361 // Should LFUN_APPENDIX be restricted to top-level paragraphs?
 362 #endif
 363                 // ensure that we have only one start_of_appendix in this document
 364                 for (pit_type tmp = 0, end = pars_.size(); tmp != end; ++tmp) {
 365                         if (pars_[tmp].params().startOfAppendix()) {
 366                                 recUndo(tmp);
 367                                 pars_[tmp].params().startOfAppendix(false);
 368                                 break;
 369                         }
 370                 }
 371
 372                 recordUndo(cur);
 373                 par.params().startOfAppendix(start);
 374
 375                 // we can set the refreshing parameters now
 376                 updateLabels(cur.buffer());
 377                 break;
 378         }
 379
 380         case LFUN_WORD_DELETE_FORWARD:
 381                 cur.clearSelection();
 382                 deleteWordForward(cur);
 383                 finishChange(cur, false);
 384                 break;
 385
 386         case LFUN_WORD_DELETE_BACKWARD:
 387                 cur.clearSelection();
 388                 deleteWordBackward(cur);
 389                 finishChange(cur, false);
 390                 break;
 391
 392         case LFUN_LINE_DELETE:
 393                 cur.clearSelection();
 394                 deleteLineForward(cur);
 395                 finishChange(cur, false);
 396                 break;
 397
 398         case LFUN_BUFFER_BEGIN:
 399         case LFUN_BUFFER_BEGIN_SELECT:
 400                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_BEGIN_SELECT);
 401                 if (cur.depth() == 1) {
 402                         needsUpdate |= cursorTop(cur);
 403                 } else {
 404                         cur.undispatched();
 405                 }
 406                 break;
 407
 408         case LFUN_BUFFER_END:
 409         case LFUN_BUFFER_END_SELECT:
 410                 needsUpdate |= cur.selHandle(cmd.action == LFUN_BUFFER_END_SELECT);
 411                 if (cur.depth() == 1) {
 412                         needsUpdate |= cursorBottom(cur);
 413                 } else {
 414                         cur.undispatched();
 415                 }
 416                 break;
 417
 418         case LFUN_CHAR_FORWARD:
 419         case LFUN_CHAR_FORWARD_SELECT:
 420                 //lyxerr << BOOST_CURRENT_FUNCTION
 421                 //       << " LFUN_CHAR_FORWARD[SEL]:\n" << cur << endl;
 422                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
 423                 if (isRTL(cur.paragraph()))
 424                         needsUpdate |= cursorLeft(cur);
 425                 else
 426                         needsUpdate |= cursorRight(cur);
 427
 428                 if (!needsUpdate && oldTopSlice == cur.top()
 429                                 && cur.boundary() == oldBoundary) {
 430                         cur.undispatched();
 431                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
 432                 }
 433                 break;
 434
 435         case LFUN_CHAR_BACKWARD:
 436         case LFUN_CHAR_BACKWARD_SELECT:
 437                 //lyxerr << "handle LFUN_CHAR_BACKWARD[_SELECT]:\n" << cur << endl;
 438                 needsUpdate |= cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
 439                 if (isRTL(cur.paragraph()))
 440                         needsUpdate |= cursorRight(cur);
 441                 else
 442                         needsUpdate |= cursorLeft(cur);
 443
 444                 if (!needsUpdate && oldTopSlice == cur.top()
 445                         && cur.boundary() == oldBoundary) {
 446                         cur.undispatched();
 447                         cmd = FuncRequest(LFUN_FINISHED_LEFT);
 448                 }
 449                 break;
 450
 451         case LFUN_UP:
 452         case LFUN_UP_SELECT:
 453                 //lyxerr << "handle LFUN_UP[SEL]:\n" << cur << endl;
 454                 needsUpdate |= cur.selHandle(cmd.action == LFUN_UP_SELECT);
 455
 456                 needsUpdate |= cursorUp(cur);
 457
 458                 if (!needsUpdate && oldTopSlice == cur.top()
 459                           && cur.boundary() == oldBoundary) {
 460                         cur.undispatched();
 461                         cmd = FuncRequest(LFUN_FINISHED_UP);
 462                 }
 463                 break;
 464
 465         case LFUN_DOWN:
 466         case LFUN_DOWN_SELECT:
 467                 //lyxerr << "handle LFUN_DOWN[SEL]:\n" << cur << endl;
 468                 needsUpdate |= cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
 469                 needsUpdate |= cursorDown(cur);
 470
 471                 if (!needsUpdate && oldTopSlice == cur.top() &&
 472                     cur.boundary() == oldBoundary)
 473                 {
 474                         cur.undispatched();
 475                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 476                 }
 477                 break;
 478
 479         case LFUN_PARAGRAPH_UP:
 480         case LFUN_PARAGRAPH_UP_SELECT:
 481                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_UP_SELECT);
 482                 needsUpdate |= cursorUpParagraph(cur);
 483                 break;
 484
 485         case LFUN_PARAGRAPH_DOWN:
 486         case LFUN_PARAGRAPH_DOWN_SELECT:
 487                 needsUpdate |= cur.selHandle(cmd.action == LFUN_PARAGRAPH_DOWN_SELECT);
 488                 needsUpdate |= cursorDownParagraph(cur);
 489                 break;
 490
 491         case LFUN_SCREEN_UP:
 492         case LFUN_SCREEN_UP_SELECT:
 493                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_UP_SELECT);
 494                 if (cur.pit() == 0 && cur.textRow().pos() == 0) {
 495                         cur.undispatched();
 496                         cmd = FuncRequest(LFUN_FINISHED_UP);
 497                 } else {
 498                         needsUpdate |= cursorPrevious(cur);
 499                 }
 500                 break;
 501
 502         case LFUN_SCREEN_DOWN:
 503         case LFUN_SCREEN_DOWN_SELECT:
 504                 needsUpdate |= cur.selHandle(cmd.action == LFUN_SCREEN_DOWN_SELECT);
 505                 if (cur.pit() == cur.lastpit()
 506                           && cur.textRow().endpos() == cur.lastpos()) {
 507                         cur.undispatched();
 508                         cmd = FuncRequest(LFUN_FINISHED_DOWN);
 509                 } else {
 510                         needsUpdate |= cursorNext(cur);
 511                 }
 512                 break;
 513
 514         case LFUN_LINE_BEGIN:
 515         case LFUN_LINE_BEGIN_SELECT:
 516                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_BEGIN_SELECT);
 517                 needsUpdate |= cursorHome(cur);
 518                 break;
 519
 520         case LFUN_LINE_END:
 521         case LFUN_LINE_END_SELECT:
 522                 needsUpdate |= cur.selHandle(cmd.action == LFUN_LINE_END_SELECT);
 523                 needsUpdate |= cursorEnd(cur);
 524                 break;
 525
 526         case LFUN_WORD_FORWARD:
 527         case LFUN_WORD_FORWARD_SELECT:
 528                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT);
 529                 if (isRTL(cur.paragraph()))
 530                         needsUpdate |= cursorLeftOneWord(cur);
 531                 else
 532                         needsUpdate |= cursorRightOneWord(cur);
 533                 break;
 534
 535         case LFUN_WORD_BACKWARD:
 536         case LFUN_WORD_BACKWARD_SELECT:
 537                 needsUpdate |= cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT);
 538                 if (isRTL(cur.paragraph()))
 539                         needsUpdate |= cursorRightOneWord(cur);
 540                 else
 541                         needsUpdate |= cursorLeftOneWord(cur);
 542                 break;
 543
 544         case LFUN_WORD_SELECT: {
 545                 selectWord(cur, WHOLE_WORD);
 546                 finishChange(cur, true);
 547                 break;
 548         }
 549
 550         case LFUN_BREAK_LINE: {
 551                 // Not allowed by LaTeX (labels or empty par)
 552                 if (cur.pos() > cur.paragraph().beginOfBody()) {
 553                         cap::replaceSelection(cur);
 554                         cur.insert(new InsetNewline);
 555                         cur.posRight();
 556                         moveCursor(cur, false);
 557                 }
 558                 break;
 559         }
 560
 561         case LFUN_CHAR_DELETE_FORWARD:
 562                 if (!cur.selection()) {
 563                         if (cur.pos() == cur.paragraph().size())
 564                                 // Par boundary, force full-screen update
 565                                 singleParUpdate = false;
 566                         needsUpdate |= erase(cur);
 567                         cur.resetAnchor();
 568                         // It is possible to make it a lot faster still
 569                         // just comment out the line below...
 570                 } else {
 571                         cutSelection(cur, true, false);
 572                         singleParUpdate = false;
 573                 }
 574                 moveCursor(cur, false);
 575                 break;
 576
 577         case LFUN_DELETE_FORWARD_SKIP:
 578                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 579                 if (!cur.selection()) {
 580                         if (cur.pos() == cur.lastpos()) {
 581                                 cursorRight(cur);
 582                                 cursorLeft(cur);
 583                         }
 584                         erase(cur);
 585                         cur.resetAnchor();
 586                 } else {
 587                         cutSelection(cur, true, false);
 588                 }
 589                 break;
 590
 591
 592         case LFUN_CHAR_DELETE_BACKWARD:
 593                 if (!cur.selection()) {
 594                         if (bv->getIntl().getTransManager().backspace()) {
 595                                 // Par boundary, full-screen update
 596                                 if (cur.pos() == 0)
 597                                         singleParUpdate = false;
 598                                 needsUpdate |= backspace(cur);
 599                                 cur.resetAnchor();
 600                                 // It is possible to make it a lot faster still
 601                                 // just comment out the line below...
 602                         }
 603                 } else {
 604                         cutSelection(cur, true, false);
 605                         singleParUpdate = false;
 606                 }
 607                 bv->switchKeyMap();
 608                 break;
 609
 610         case LFUN_DELETE_BACKWARD_SKIP:
 611                 // Reverse the effect of LFUN_BREAK_PARAGRAPH_SKIP.
 612                 if (!cur.selection()) {
 613 #ifdef WITH_WARNINGS
 614 #warning look here
 615 #endif
 616                         //CursorSlice cur = cursor();
 617                         backspace(cur);
 618                         //anchor() = cur;
 619                 } else {
 620                         cutSelection(cur, true, false);
 621                 }
 622                 break;
 623
 624         case LFUN_BREAK_PARAGRAPH:
 625                 cap::replaceSelection(cur);
 626                 breakParagraph(cur, 0);
 627                 cur.resetAnchor();
 628                 bv->switchKeyMap();
 629                 break;
 630
 631         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
 632                 cap::replaceSelection(cur);
 633                 breakParagraph(cur, 1);
 634                 cur.resetAnchor();
 635                 bv->switchKeyMap();
 636                 break;
 637
 638         case LFUN_BREAK_PARAGRAPH_SKIP: {
 639                 // When at the beginning of a paragraph, remove
 640                 // indentation.  Otherwise, do the same as LFUN_BREAK_PARAGRAPH.
 641                 cap::replaceSelection(cur);
 642                 if (cur.pos() == 0)
 643                         cur.paragraph().params().labelWidthString(docstring());
 644                 else
 645                         breakParagraph(cur, 0);
 646                 cur.resetAnchor();
 647                 bv->switchKeyMap();
 648                 break;
 649         }
 650
 651         case LFUN_PARAGRAPH_SPACING: {
 652                 Paragraph & par = cur.paragraph();
 653                 Spacing::Space cur_spacing = par.params().spacing().getSpace();
 654                 string cur_value = "1.0";
 655                 if (cur_spacing == Spacing::Other)
 656                         cur_value = par.params().spacing().getValueAsString();
 657
 658                 istringstream is(to_utf8(cmd.argument()));
 659                 string tmp;
 660                 is >> tmp;
 661                 Spacing::Space new_spacing = cur_spacing;
 662                 string new_value = cur_value;
 663                 if (tmp.empty()) {
 664                         lyxerr << "Missing argument to `paragraph-spacing'"
 665                                << endl;
 666                 } else if (tmp == "single") {
 667                         new_spacing = Spacing::Single;
 668                 } else if (tmp == "onehalf") {
 669                         new_spacing = Spacing::Onehalf;
 670                 } else if (tmp == "double") {
 671                         new_spacing = Spacing::Double;
 672                 } else if (tmp == "other") {
 673                         new_spacing = Spacing::Other;
 674                         string tmpval = "0.0";
 675                         is >> tmpval;
 676                         lyxerr << "new_value = " << tmpval << endl;
 677                         if (tmpval != "0.0")
 678                                 new_value = tmpval;
 679                 } else if (tmp == "default") {
 680                         new_spacing = Spacing::Default;
 681                 } else {
 682                         lyxerr << to_utf8(_("Unknown spacing argument: "))
 683                                << to_utf8(cmd.argument()) << endl;
 684                 }
 685                 if (cur_spacing != new_spacing || cur_value != new_value)
 686                         par.params().spacing(Spacing(new_spacing, new_value));
 687                 break;
 688         }
 689
 690         case LFUN_INSET_INSERT: {
 691                 recordUndo(cur);
 692                 InsetBase * inset = createInset(bv, cmd);
 693                 if (inset) {
 694                         insertInset(cur, inset);
 695                         cur.posRight();
 696                 }
 697                 break;
 698         }
 699
 700         case LFUN_INSET_DISSOLVE:
 701                 needsUpdate |= dissolveInset(cur);
 702                 break;
 703
 704         case LFUN_INSET_SETTINGS:
 705                 cur.inset().showInsetDialog(bv);
 706                 break;
 707
 708         case LFUN_SPACE_INSERT:
 709                 if (cur.paragraph().layout()->free_spacing)
 710                         insertChar(cur, ' ');
 711                 else {
 712                         doInsertInset(cur, this, cmd, false, false);
 713                         cur.posRight();
 714                 }
 715                 moveCursor(cur, false);
 716                 break;
 717
 718         case LFUN_HYPHENATION_POINT_INSERT:
 719                 specialChar(cur, InsetSpecialChar::HYPHENATION);
 720                 break;
 721
 722         case LFUN_LIGATURE_BREAK_INSERT:
 723                 specialChar(cur, InsetSpecialChar::LIGATURE_BREAK);
 724                 break;
 725
 726         case LFUN_DOTS_INSERT:
 727                 specialChar(cur, InsetSpecialChar::LDOTS);
 728                 break;
 729
 730         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
 731                 specialChar(cur, InsetSpecialChar::END_OF_SENTENCE);
 732                 break;
 733
 734         case LFUN_MENU_SEPARATOR_INSERT:
 735                 specialChar(cur, InsetSpecialChar::MENU_SEPARATOR);
 736                 break;
 737
 738         case LFUN_WORD_UPCASE:
 739                 changeCase(cur, LyXText::text_uppercase);
 740                 break;
 741
 742         case LFUN_WORD_LOWCASE:
 743                 changeCase(cur, LyXText::text_lowercase);
 744                 break;
 745
 746         case LFUN_WORD_CAPITALIZE:
 747                 changeCase(cur, LyXText::text_capitalization);
 748                 break;
 749
 750         case LFUN_CHARS_TRANSPOSE:
 751                 recordUndo(cur);
 752                 break;
 753
 754         case LFUN_PASTE:
 755                 cur.message(_("Paste"));
 756                 cap::replaceSelection(cur);
 757                 if (isStrUnsignedInt(to_utf8(cmd.argument())))
 758                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 759                         convert<unsigned int>(to_utf8(cmd.argument())));
 760                 else
 761                         pasteSelection(cur, bv->buffer()->errorList("Paste"),
 762                         0);
 763                 bv->buffer()->errors("Paste");
 764                 cur.clearSelection(); // bug 393
 765                 bv->switchKeyMap();
 766                 finishUndo();
 767                 break;
 768
 769         case LFUN_CUT:
 770                 cutSelection(cur, true, true);
 771                 cur.message(_("Cut"));
 772                 break;
 773
 774         case LFUN_COPY:
 775                 copySelection(cur);
 776                 cur.message(_("Copy"));
 777                 break;
 778
 779         case LFUN_SERVER_GET_XY:
 780                 cur.message(from_utf8(
 781                         convert<string>(cursorX(cur.top(), cur.boundary())) + ' '
 782                           + convert<string>(cursorY(cur.top(), cur.boundary()))));
 783                 break;
 784
 785         case LFUN_SERVER_SET_XY: {
 786                 int x = 0;
 787                 int y = 0;
 788                 istringstream is(to_utf8(cmd.argument()));
 789                 is >> x >> y;
 790                 if (!is)
 791                         lyxerr << "SETXY: Could not parse coordinates in '"
 792                                << to_utf8(cmd.argument()) << std::endl;
 793                 else
 794                         setCursorFromCoordinates(cur, x, y);
 795                 break;
 796         }
 797
 798         case LFUN_SERVER_GET_FONT:
 799                 if (current_font.shape() == LyXFont::ITALIC_SHAPE)
 800                         cur.message(from_ascii("E"));
 801                 else if (current_font.shape() == LyXFont::SMALLCAPS_SHAPE)
 802                         cur.message(from_ascii("N"));
 803                 else
 804                         cur.message(from_ascii("0"));
 805                 break;
 806
 807         case LFUN_SERVER_GET_LAYOUT:
 808                 cur.message(from_utf8(cur.paragraph().layout()->name()));
 809                 break;
 810
 811         case LFUN_LAYOUT: {
 812                 lyxerr[Debug::INFO] << "LFUN_LAYOUT: (arg) "
 813                   << to_utf8(cmd.argument()) << endl;
 814
 815                 // This is not the good solution to the empty argument
 816                 // problem, but it will hopefully suffice for 1.2.0.
 817                 // The correct solution would be to augument the
 818                 // function list/array with information about what
 819                 // functions needs arguments and their type.
 820                 if (cmd.argument().empty()) {
 821                         cur.errorMessage(_("LyX function 'layout' needs an argument."));
 822                         break;
 823                 }
 824
 825                 // Derive layout number from given argument (string)
 826                 // and current buffer's textclass (number)
 827                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
 828                 bool hasLayout = tclass.hasLayout(to_utf8(cmd.argument()));
 829                 string layout = to_utf8(cmd.argument());
 830
 831                 // If the entry is obsolete, use the new one instead.
 832                 if (hasLayout) {
 833                         string const & obs = tclass[layout]->obsoleted_by();
 834                         if (!obs.empty())
 835                                 layout = obs;
 836                 }
 837
 838                 if (!hasLayout) {
 839                         cur.errorMessage(from_utf8(N_("Layout ")) + cmd.argument() +
 840                                 from_utf8(N_(" not known")));
 841                         break;
 842                 }
 843
 844                 bool change_layout = (current_layout != layout);
 845
 846                 if (!change_layout && cur.selection() &&
 847                         cur.selBegin().pit() != cur.selEnd().pit())
 848                 {
 849                         pit_type spit = cur.selBegin().pit();
 850                         pit_type epit = cur.selEnd().pit() + 1;
 851                         while (spit != epit) {
 852                                 if (pars_[spit].layout()->name() != current_layout) {
 853                                         change_layout = true;
 854                                         break;
 855                                 }
 856                                 ++spit;
 857                         }
 858                 }
 859
 860                 if (change_layout) {
 861                         current_layout = layout;
 862                         setLayout(cur, layout);
 863                         // inform the GUI that the layout has changed.
 864                         bv->layoutChanged(layout);
 865                         bv->switchKeyMap();
 866                 }
 867                 break;
 868         }
 869
 870         case LFUN_CLIPBOARD_PASTE: {
 871                 cur.clearSelection();
 872                 docstring const clip = theClipboard().get();
 873                 if (!clip.empty()) {
 874                         recordUndo(cur);
 875                         if (cmd.argument() == "paragraph")
 876                                 insertStringAsParagraphs(cur, clip);
 877                         else
 878                                 insertStringAsLines(cur, clip);
 879                 }
 880                 break;
 881         }
 882
 883         case LFUN_PRIMARY_SELECTION_PASTE: {
 884                 cur.clearSelection();
 885                 docstring const clip = theSelection().get();
 886                 if (!clip.empty()) {
 887                         recordUndo(cur);
 888                         if (cmd.argument() == "paragraph")
 889                                 insertStringAsParagraphs(cur, clip);
 890                         else
 891                                 insertStringAsLines(cur, clip);
 892                 }
 893                 break;
 894         }
 895
 896         case LFUN_UNICODE_INSERT: {
 897                 if (cmd.argument().empty())
 898                         break;
 899                 docstring hexstring = cmd.argument();
 900                 if (lyx::support::isHex(hexstring)) {
 901                         char_type c = lyx::support::hexToInt(hexstring);
 902                         if (c > 32 && c < 0x10ffff) {
 903                                 lyxerr << "Inserting c: " << c << endl;
 904                                 docstring s = docstring(1, c);
 905                                 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, s));
 906                         }
 907                 }
 908                 break;
 909         }
 910
 911         case LFUN_QUOTE_INSERT: {
 912                 cap::replaceSelection(cur);
 913                 Paragraph & par = cur.paragraph();
 914                 pos_type pos = cur.pos();
 915                 char_type c;
 916                 if (pos == 0)
 917                         c = ' ';
 918                 else if (cur.prevInset() && cur.prevInset()->isSpace())
 919                         c = ' ';
 920                 else
 921                         c = par.getChar(pos - 1);
 922
 923                 LyXLayout_ptr const & style = par.layout();
 924
 925                 BufferParams const & bufparams = bv->buffer()->params();
 926                 if (!style->pass_thru
 927                     && par.getFontSettings(bufparams, pos).language()->lang() != "hebrew") {
 928                         string arg = to_utf8(cmd.argument());
 929                         if (arg == "single")
 930                                 cur.insert(new InsetQuotes(c,
 931                                     bufparams.quotes_language,
 932                                     InsetQuotes::SingleQ));
 933                         else
 934                                 cur.insert(new InsetQuotes(c,
 935                                     bufparams.quotes_language,
 936                                     InsetQuotes::DoubleQ));
 937                         cur.posRight();
 938                 }
 939                 else
 940                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, "\""));
 941                 break;
 942         }
 943
 944         case LFUN_DATE_INSERT:
 945                 if (cmd.argument().empty())
 946                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 947                                 formatted_time(current_time())));
 948                 else
 949                         lyx::dispatch(FuncRequest(LFUN_SELF_INSERT,
 950                                 formatted_time(current_time(), to_utf8(cmd.argument()))));
 951                 break;
 952
 953         case LFUN_MOUSE_TRIPLE:
 954                 if (cmd.button() == mouse_button::button1) {
 955                         cursorHome(cur);
 956                         cur.resetAnchor();
 957                         cursorEnd(cur);
 958                         cur.setSelection();
 959                         bv->cursor() = cur;
 960                         theSelection().haveSelection(cur.selection());
 961                 }
 962                 break;
 963
 964         case LFUN_MOUSE_DOUBLE:
 965                 if (cmd.button() == mouse_button::button1) {
 966                         selectWord(cur, WHOLE_WORD_STRICT);
 967                         bv->cursor() = cur;
 968                         theSelection().haveSelection(cur.selection());
 969                 }
 970                 break;
 971
 972         // Single-click on work area
 973         case LFUN_MOUSE_PRESS: {
 974                 // Right click on a footnote flag opens float menu
 975                 if (cmd.button() == mouse_button::button3)
 976                         cur.clearSelection();
 977
 978                 // Middle button press pastes if we have a selection
 979                 // We do this here as if the selection was inside an inset
 980                 // it could get cleared on the unlocking of the inset so
 981                 // we have to check this first
 982                 bool paste_internally = false;
 983                 if (cmd.button() == mouse_button::button2 && cur.selection()) {
 984                         lyx::dispatch(FuncRequest(LFUN_COPY));
 985                         paste_internally = true;
 986                 }
 987
 988                 bv->mouseSetCursor(cur);
 989
 990                 // Insert primary selection with middle mouse
 991                 // if there is a local selection in the current buffer,
 992                 // insert this
 993                 if (cmd.button() == mouse_button::button2) {
 994                         if (paste_internally)
 995                                 lyx::dispatch(FuncRequest(LFUN_PASTE));
 996                         else
 997                                 lyx::dispatch(FuncRequest(LFUN_PRIMARY_SELECTION_PASTE, "paragraph"));
 998                 }
 999
1000                 break;
1001         }
1002
1003         case LFUN_MOUSE_MOTION: {
1004                 // Only use motion with button 1
1005                 //if (cmd.button() != mouse_button::button1)
1006                 //      return false;
1007
1008                 // ignore motions deeper nested than the real anchor
1009                 LCursor & bvcur = cur.bv().cursor();
1010                 if (bvcur.anchor_.hasPart(cur)) {
1011                         CursorSlice old = bvcur.top();
1012
1013                         int const wh = bv->workHeight();
1014                         int const y = std::max(0, std::min(wh - 1, cmd.y));
1015
1016                         setCursorFromCoordinates(cur, cmd.x, y);
1017                         cur.x_target() = cmd.x;
1018                         if (cmd.y >= wh)
1019                                 cursorDown(cur);
1020                         else if (cmd.y < 0)
1021                                 cursorUp(cur);
1022                         // This is to allow jumping over large insets
1023                         if (cur.top() == old) {
1024                                 if (cmd.y >= wh)
1025                                         cursorDown(cur);
1026                                 else if (cmd.y < 0)
1027                                         cursorUp(cur);
1028                         }
1029
1030                         if (cur.top() == old)
1031                                 cur.noUpdate();
1032                         else {
1033                                 // don't set anchor_
1034                                 bvcur.setCursor(cur);
1035                                 bvcur.selection() = true;
1036                                 //lyxerr << "MOTION: " << bv->cursor() << endl;
1037                         }
1038
1039                 } else
1040                         cur.undispatched();
1041                 break;
1042         }
1043
1044         case LFUN_MOUSE_RELEASE: {
1045                 if (cmd.button() == mouse_button::button2)
1046                         break;
1047
1048                 // finish selection
1049                 if (cmd.button() == mouse_button::button1)
1050                         theSelection().haveSelection(cur.selection());
1051
1052                 bv->switchKeyMap();
1053                 break;
1054         }
1055
1056         case LFUN_SELF_INSERT: {
1057                 if (cmd.argument().empty())
1058                         break;
1059
1060                 // Automatically delete the currently selected
1061                 // text and replace it with what is being
1062                 // typed in now. Depends on lyxrc settings
1063                 // "auto_region_delete", which defaults to
1064                 // true (on).
1065
1066                 if (lyxrc.auto_region_delete) {
1067                         if (cur.selection())
1068                                 cutSelection(cur, false, false);
1069                         theSelection().haveSelection(false);
1070                 }
1071
1072                 cur.clearSelection();
1073                 LyXFont const old_font = real_current_font;
1074
1075                 docstring::const_iterator cit = cmd.argument().begin();
1076                 docstring::const_iterator end = cmd.argument().end();
1077                 for (; cit != end; ++cit)
1078 #if 0
1079                         bv->getIntl().getTransManager().
1080                                 translateAndInsert(*cit, this);
1081 #else
1082                         insertChar(bv->cursor(), *cit);
1083 #endif
1084
1085                 cur.resetAnchor();
1086                 moveCursor(cur, false);
1087                 break;
1088         }
1089
1090         case LFUN_URL_INSERT: {
1091                 InsetCommandParams p("url");
1092                 string const data = InsetCommandMailer::params2string("url", p);
1093                 bv->showInsetDialog("url", data, 0);
1094                 break;
1095         }
1096
1097         case LFUN_HTML_INSERT: {
1098                 InsetCommandParams p("htmlurl");
1099                 string const data = InsetCommandMailer::params2string("url", p);
1100                 bv->showInsetDialog("url", data, 0);
1101                 break;
1102         }
1103
1104         case LFUN_LABEL_INSERT: {
1105                 InsetCommandParams p("label");
1106                 // Try to generate a valid label
1107                 p["name"] = (cmd.argument().empty()) ?
1108                         // FIXME UNICODE
1109                         from_utf8(cur.getPossibleLabel()) :
1110                         cmd.argument();
1111                 string const data = InsetCommandMailer::params2string("label", p);
1112
1113                 if (cmd.argument().empty()) {
1114                         bv->showInsetDialog("label", data, 0);
1115                 } else {
1116                         FuncRequest fr(LFUN_INSET_INSERT, data);
1117                         dispatch(cur, fr);
1118                 }
1119                 break;
1120         }
1121
1122
1123 #if 0
1124         case LFUN_LIST_INSERT:
1125         case LFUN_THEOREM_INSERT:
1126         case LFUN_CAPTION_INSERT:
1127 #endif
1128         case LFUN_NOTE_INSERT:
1129         case LFUN_CHARSTYLE_INSERT:
1130         case LFUN_BOX_INSERT:
1131         case LFUN_BRANCH_INSERT:
1132         case LFUN_BIBITEM_INSERT:
1133         case LFUN_ERT_INSERT:
1134         case LFUN_FOOTNOTE_INSERT:
1135         case LFUN_MARGINALNOTE_INSERT:
1136         case LFUN_OPTIONAL_INSERT:
1137         case LFUN_ENVIRONMENT_INSERT:
1138                 // Open the inset, and move the current selection
1139                 // inside it.
1140                 doInsertInset(cur, this, cmd, true, true);
1141                 cur.posRight();
1142                 break;
1143
1144         case LFUN_TABULAR_INSERT:
1145                 // if there were no arguments, just open the dialog
1146                 if (doInsertInset(cur, this, cmd, false, true))
1147                         cur.posRight();
1148                 else
1149                         bv->showDialog("tabularcreate");
1150
1151                 break;
1152
1153         case LFUN_FLOAT_INSERT:
1154         case LFUN_FLOAT_WIDE_INSERT:
1155         case LFUN_WRAP_INSERT:
1156                 doInsertInset(cur, this, cmd, true, true);
1157                 cur.posRight();
1158                 // FIXME: the "Caption" name should not be hardcoded,
1159                 // but given by the float definition.
1160                 cur.dispatch(FuncRequest(LFUN_LAYOUT, "Caption"));
1161                 break;
1162
1163         case LFUN_INDEX_INSERT: {
1164                 InsetBase * inset = createInset(&cur.bv(), cmd);
1165                 if (!inset)
1166                         break;
1167
1168                 recordUndo(cur);
1169                 cur.clearSelection();
1170                 insertInset(cur, inset);
1171                 inset->edit(cur, true);
1172                 cur.posRight();
1173                 break;
1174         }
1175
1176         case LFUN_INDEX_PRINT:
1177         case LFUN_TOC_INSERT:
1178         case LFUN_HFILL_INSERT:
1179         case LFUN_LINE_INSERT:
1180         case LFUN_PAGEBREAK_INSERT:
1181                 // do nothing fancy
1182                 doInsertInset(cur, this, cmd, false, false);
1183                 cur.posRight();
1184                 break;
1185
1186         case LFUN_DEPTH_DECREMENT:
1187                 changeDepth(cur, DEC_DEPTH);
1188                 break;
1189
1190         case LFUN_DEPTH_INCREMENT:
1191                 changeDepth(cur, INC_DEPTH);
1192                 break;
1193
1194         case LFUN_MATH_DISPLAY:
1195                 mathDispatch(cur, cmd, true);
1196                 break;
1197
1198         case LFUN_MATH_IMPORT_SELECTION:
1199         case LFUN_MATH_MODE:
1200                 if (cmd.argument() == "on")
1201                         // don't pass "on" as argument
1202                         mathDispatch(cur, FuncRequest(LFUN_MATH_MODE), false);
1203                 else
1204                         mathDispatch(cur, cmd, false);
1205                 break;
1206
1207         case LFUN_MATH_MACRO:
1208                 if (cmd.argument().empty())
1209                         cur.errorMessage(from_utf8(N_("Missing argument")));
1210                 else {
1211                         string s = to_utf8(cmd.argument());
1212                         string const s1 = token(s, ' ', 1);
1213                         int const nargs = s1.empty() ? 0 : convert<int>(s1);
1214                         string const s2 = token(s, ' ', 2);
1215                         string const type = s2.empty() ? "newcommand" : s2;
1216                         cur.insert(new MathMacroTemplate(from_utf8(token(s, ' ', 0)), nargs, from_utf8(type)));
1217                         //cur.nextInset()->edit(cur, true);
1218                 }
1219                 break;
1220
1221         // passthrough hat and underscore outside mathed:
1222         case LFUN_MATH_SUBSCRIPT:
1223                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "_"), false);
1224                 break;
1225         case LFUN_MATH_SUPERSCRIPT:
1226                 mathDispatch(cur, FuncRequest(LFUN_SELF_INSERT, "^"), false);
1227                 break;
1228
1229         case LFUN_MATH_INSERT:
1230         case LFUN_MATH_MATRIX:
1231         case LFUN_MATH_DELIM:
1232         case LFUN_MATH_BIGDELIM: {
1233                 cur.insert(new InsetMathHull(hullSimple));
1234                 cur.dispatch(FuncRequest(LFUN_CHAR_FORWARD));
1235                 cur.dispatch(cmd);
1236                 break;
1237         }
1238
1239         case LFUN_FONT_EMPH: {
1240                 LyXFont font(LyXFont::ALL_IGNORE);
1241                 font.setEmph(LyXFont::TOGGLE);
1242                 toggleAndShow(cur, this, font);
1243                 break;
1244         }
1245
1246         case LFUN_FONT_BOLD: {
1247                 LyXFont font(LyXFont::ALL_IGNORE);
1248                 font.setSeries(LyXFont::BOLD_SERIES);
1249                 toggleAndShow(cur, this, font);
1250                 break;
1251         }
1252
1253         case LFUN_FONT_NOUN: {
1254                 LyXFont font(LyXFont::ALL_IGNORE);
1255                 font.setNoun(LyXFont::TOGGLE);
1256                 toggleAndShow(cur, this, font);
1257                 break;
1258         }
1259
1260         case LFUN_FONT_CODE: {
1261                 LyXFont font(LyXFont::ALL_IGNORE);
1262                 font.setFamily(LyXFont::TYPEWRITER_FAMILY); // no good
1263                 toggleAndShow(cur, this, font);
1264                 break;
1265         }
1266
1267         case LFUN_FONT_SANS: {
1268                 LyXFont font(LyXFont::ALL_IGNORE);
1269                 font.setFamily(LyXFont::SANS_FAMILY);
1270                 toggleAndShow(cur, this, font);
1271                 break;
1272         }
1273
1274         case LFUN_FONT_ROMAN: {
1275                 LyXFont font(LyXFont::ALL_IGNORE);
1276                 font.setFamily(LyXFont::ROMAN_FAMILY);
1277                 toggleAndShow(cur, this, font);
1278                 break;
1279         }
1280
1281         case LFUN_FONT_DEFAULT: {
1282                 LyXFont font(LyXFont::ALL_INHERIT, ignore_language);
1283                 toggleAndShow(cur, this, font);
1284                 break;
1285         }
1286
1287         case LFUN_FONT_UNDERLINE: {
1288                 LyXFont font(LyXFont::ALL_IGNORE);
1289                 font.setUnderbar(LyXFont::TOGGLE);
1290                 toggleAndShow(cur, this, font);
1291                 break;
1292         }
1293
1294         case LFUN_FONT_SIZE: {
1295                 LyXFont font(LyXFont::ALL_IGNORE);
1296                 font.setLyXSize(to_utf8(cmd.argument()));
1297                 toggleAndShow(cur, this, font);
1298                 break;
1299         }
1300
1301         case LFUN_LANGUAGE: {
1302                 Language const * lang = languages.getLanguage(to_utf8(cmd.argument()));
1303                 if (!lang)
1304                         break;
1305                 LyXFont font(LyXFont::ALL_IGNORE);
1306                 font.setLanguage(lang);
1307                 toggleAndShow(cur, this, font);
1308                 bv->switchKeyMap();
1309                 break;
1310         }
1311
1312         case LFUN_FONT_FREE_APPLY:
1313                 toggleAndShow(cur, this, freefont, toggleall);
1314                 cur.message(_("Character set"));
1315                 break;
1316
1317         // Set the freefont using the contents of \param data dispatched from
1318         // the frontends and apply it at the current cursor location.
1319         case LFUN_FONT_FREE_UPDATE: {
1320                 LyXFont font;
1321                 bool toggle;
1322                 if (bv_funcs::string2font(to_utf8(cmd.argument()), font, toggle)) {
1323                         freefont = font;
1324                         toggleall = toggle;
1325                         toggleAndShow(cur, this, freefont, toggleall);
1326                         cur.message(_("Character set"));
1327                 }
1328                 break;
1329         }
1330
1331         case LFUN_FINISHED_LEFT:
1332                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_LEFT:\n" << cur << endl;
1333                 break;
1334
1335         case LFUN_FINISHED_RIGHT:
1336                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_RIGHT:\n" << cur << endl;
1337                 ++cur.pos();
1338                 break;
1339
1340         case LFUN_FINISHED_UP:
1341                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_UP:\n" << cur << endl;
1342                 cursorUp(cur);
1343                 break;
1344
1345         case LFUN_FINISHED_DOWN:
1346                 lyxerr[Debug::DEBUG] << "handle LFUN_FINISHED_DOWN:\n" << cur << endl;
1347                 cursorDown(cur);
1348                 break;
1349
1350         case LFUN_LAYOUT_PARAGRAPH: {
1351                 string data;
1352                 params2string(cur.paragraph(), data);
1353                 data = "show\n" + data;
1354                 bv->showDialogWithData("paragraph", data);
1355                 break;
1356         }
1357
1358         case LFUN_PARAGRAPH_UPDATE: {
1359                 string data;
1360                 params2string(cur.paragraph(), data);
1361
1362                 // Will the paragraph accept changes from the dialog?
1363                 bool const accept = !cur.inset().forceDefaultParagraphs(cur.idx());
1364
1365                 data = "update " + convert<string>(accept) + '\n' + data;
1366                 bv->updateDialog("paragraph", data);
1367                 break;
1368         }
1369
1370         case LFUN_ACCENT_UMLAUT:
1371         case LFUN_ACCENT_CIRCUMFLEX:
1372         case LFUN_ACCENT_GRAVE:
1373         case LFUN_ACCENT_ACUTE:
1374         case LFUN_ACCENT_TILDE:
1375         case LFUN_ACCENT_CEDILLA:
1376         case LFUN_ACCENT_MACRON:
1377         case LFUN_ACCENT_DOT:
1378         case LFUN_ACCENT_UNDERDOT:
1379         case LFUN_ACCENT_UNDERBAR:
1380         case LFUN_ACCENT_CARON:
1381         case LFUN_ACCENT_SPECIAL_CARON:
1382         case LFUN_ACCENT_BREVE:
1383         case LFUN_ACCENT_TIE:
1384         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1385         case LFUN_ACCENT_CIRCLE:
1386         case LFUN_ACCENT_OGONEK:
1387                 theLyXFunc().handleKeyFunc(cmd.action);
1388                 if (!cmd.argument().empty())
1389                         // FIXME: Are all these characters encoded in one byte in utf8?
1390                         bv->getIntl().getTransManager()
1391                                 .translateAndInsert(cmd.argument()[0], this);
1392                 break;
1393
1394         case LFUN_FLOAT_LIST: {
1395                 LyXTextClass const & tclass = bv->buffer()->params().getLyXTextClass();
1396                 if (tclass.floats().typeExist(to_utf8(cmd.argument()))) {
1397                         // not quite sure if we want this...
1398                         recordUndo(cur);
1399                         cur.clearSelection();
1400                         breakParagraph(cur);
1401
1402                         if (cur.lastpos() != 0) {
1403                                 cursorLeft(cur);
1404                                 breakParagraph(cur);
1405                         }
1406
1407                         setLayout(cur, tclass.defaultLayoutName());
1408                         setParagraph(cur, Spacing(), LYX_ALIGN_LAYOUT, string(), 0);
1409                         insertInset(cur, new InsetFloatList(to_utf8(cmd.argument())));
1410                         cur.posRight();
1411                 } else {
1412                         lyxerr << "Non-existent float type: "
1413                                << to_utf8(cmd.argument()) << endl;
1414                 }
1415                 break;
1416         }
1417
1418         case LFUN_CHANGE_ACCEPT: {
1419                 acceptChange(cur);
1420                 break;
1421         }
1422
1423         case LFUN_CHANGE_REJECT: {
1424                 rejectChange(cur);
1425                 break;
1426         }
1427
1428         case LFUN_THESAURUS_ENTRY: {
1429                 docstring arg = cmd.argument();
1430                 if (arg.empty()) {
1431                         arg = cur.selectionAsString(false);
1432                         // FIXME
1433                         if (arg.size() > 100 || arg.empty()) {
1434                                 // Get word or selection
1435                                 selectWordWhenUnderCursor(cur, WHOLE_WORD);
1436                                 arg = cur.selectionAsString(false);
1437                         }
1438                 }
1439                 bv->showDialogWithData("thesaurus", to_utf8(arg));
1440                 break;
1441         }
1442
1443         case LFUN_PARAGRAPH_PARAMS_APPLY: {
1444                 // Given data, an encoding of the ParagraphParameters
1445                 // generated in the Paragraph dialog, this function sets
1446                 // the current paragraph appropriately.
1447                 istringstream is(to_utf8(cmd.argument()));
1448                 LyXLex lex(0, 0);
1449                 lex.setStream(is);
1450                 ParagraphParameters params;
1451                 params.read(lex);
1452                 // FIXME UNICODE
1453                 setParagraph(cur,
1454                              params.spacing(),
1455                              params.align(),
1456                              to_ascii(params.labelWidthString()),
1457                              params.noindent());
1458                 cur.message(_("Paragraph layout set"));
1459                 break;
1460         }
1461
1462         case LFUN_ESCAPE:
1463                 if (cur.selection()) {
1464                         cur.selection() = false;
1465                 } else {
1466                         cur.undispatched();
1467                         cmd = FuncRequest(LFUN_FINISHED_RIGHT);
1468                 }
1469                 break;
1470
1471         default:
1472                 lyxerr[Debug::ACTION]
1473                         << BOOST_CURRENT_FUNCTION
1474                         << ": Command " << cmd
1475                         << " not DISPATCHED by LyXText" << endl;
1476                 cur.undispatched();
1477                 break;
1478         }
1479
1480         needsUpdate |= (cur.pos() != cur.lastpos()) && cur.selection();
1481         if (singleParUpdate)
1482                 // Inserting characters does not change par height
1483                 if (cur.bottom().paragraph().dim().height()
1484                     == olddim.height()) {
1485                         // if so, update _only_ this paragraph
1486                         cur.updateFlags(Update::SinglePar |
1487                                 Update::FitCursor |
1488                                 Update::MultiParSel);
1489                         return;
1490                 } else
1491                         needsUpdate = true;
1492         if (!needsUpdate
1493             && &oldTopSlice.inset() == &cur.inset()
1494             && oldTopSlice.idx() == cur.idx()
1495             && !sel
1496             && !cur.selection())
1497                 cur.noUpdate();
1498         else
1499                 cur.updateFlags(Update::Force | Update::FitCursor);
1500 }
1501
1502
1503 bool LyXText::getStatus(LCursor & cur, FuncRequest const & cmd,
1504                         FuncStatus & flag) const
1505 {
1506         BOOST_ASSERT(cur.text() == this);
1507
1508         LyXFont const & font = real_current_font;
1509         bool enable = true;
1510         InsetBase::Code code = InsetBase::NO_CODE;
1511
1512         switch (cmd.action) {
1513
1514         case LFUN_DEPTH_DECREMENT:
1515                 enable = changeDepthAllowed(cur, DEC_DEPTH);
1516                 break;
1517
1518         case LFUN_DEPTH_INCREMENT:
1519                 enable = changeDepthAllowed(cur, INC_DEPTH);
1520                 break;
1521
1522         case LFUN_APPENDIX:
1523                 flag.setOnOff(cur.paragraph().params().startOfAppendix());
1524                 return true;
1525
1526         case LFUN_BIBITEM_INSERT:
1527                 enable = (cur.paragraph().layout()->labeltype == LABEL_BIBLIO);
1528                 break;
1529
1530         case LFUN_DIALOG_SHOW_NEW_INSET:
1531                 if (cmd.argument() == "bibitem")
1532                         code = InsetBase::BIBITEM_CODE;
1533                 else if (cmd.argument() == "bibtex")
1534                         code = InsetBase::BIBTEX_CODE;
1535                 else if (cmd.argument() == "box")
1536                         code = InsetBase::BOX_CODE;
1537                 else if (cmd.argument() == "branch")
1538                         code = InsetBase::BRANCH_CODE;
1539                 else if (cmd.argument() == "citation")
1540                         code = InsetBase::CITE_CODE;
1541                 else if (cmd.argument() == "ert")
1542                         code = InsetBase::ERT_CODE;
1543                 else if (cmd.argument() == "external")
1544                         code = InsetBase::EXTERNAL_CODE;
1545                 else if (cmd.argument() == "float")
1546                         code = InsetBase::FLOAT_CODE;
1547                 else if (cmd.argument() == "graphics")
1548                         code = InsetBase::GRAPHICS_CODE;
1549                 else if (cmd.argument() == "include")
1550                         code = InsetBase::INCLUDE_CODE;
1551                 else if (cmd.argument() == "index")
1552                         code = InsetBase::INDEX_CODE;
1553                 else if (cmd.argument() == "label")
1554                         code = InsetBase::LABEL_CODE;
1555                 else if (cmd.argument() == "note")
1556                         code = InsetBase::NOTE_CODE;
1557                 else if (cmd.argument() == "ref")
1558                         code = InsetBase::REF_CODE;
1559                 else if (cmd.argument() == "toc")
1560                         code = InsetBase::TOC_CODE;
1561                 else if (cmd.argument() == "url")
1562                         code = InsetBase::URL_CODE;
1563                 else if (cmd.argument() == "vspace")
1564                         code = InsetBase::VSPACE_CODE;
1565                 else if (cmd.argument() == "wrap")
1566                         code = InsetBase::WRAP_CODE;
1567                 break;
1568
1569         case LFUN_ERT_INSERT:
1570                 code = InsetBase::ERT_CODE;
1571                 break;
1572         case LFUN_FOOTNOTE_INSERT:
1573                 code = InsetBase::FOOT_CODE;
1574                 break;
1575         case LFUN_TABULAR_INSERT:
1576                 code = InsetBase::TABULAR_CODE;
1577                 break;
1578         case LFUN_MARGINALNOTE_INSERT:
1579                 code = InsetBase::MARGIN_CODE;
1580                 break;
1581         case LFUN_FLOAT_INSERT:
1582         case LFUN_FLOAT_WIDE_INSERT:
1583                 code = InsetBase::FLOAT_CODE;
1584                 break;
1585         case LFUN_WRAP_INSERT:
1586                 code = InsetBase::WRAP_CODE;
1587                 break;
1588         case LFUN_FLOAT_LIST:
1589                 code = InsetBase::FLOAT_LIST_CODE;
1590                 break;
1591 #if 0
1592         case LFUN_LIST_INSERT:
1593                 code = InsetBase::LIST_CODE;
1594                 break;
1595         case LFUN_THEOREM_INSERT:
1596                 code = InsetBase::THEOREM_CODE;
1597                 break;
1598 #endif
1599         case LFUN_CAPTION_INSERT:
1600                 code = InsetBase::CAPTION_CODE;
1601                 break;
1602         case LFUN_NOTE_INSERT:
1603                 code = InsetBase::NOTE_CODE;
1604                 break;
1605         case LFUN_CHARSTYLE_INSERT:
1606                 code = InsetBase::CHARSTYLE_CODE;
1607                 if (cur.buffer().params().getLyXTextClass().charstyles().empty())
1608                         enable = false;
1609                 break;
1610         case LFUN_BOX_INSERT:
1611                 code = InsetBase::BOX_CODE;
1612                 break;
1613         case LFUN_BRANCH_INSERT:
1614                 code = InsetBase::BRANCH_CODE;
1615                 if (cur.buffer().getMasterBuffer()->params().branchlist().empty())
1616                         enable = false;
1617                 break;
1618         case LFUN_LABEL_INSERT:
1619                 code = InsetBase::LABEL_CODE;
1620                 break;
1621         case LFUN_OPTIONAL_INSERT:
1622                 code = InsetBase::OPTARG_CODE;
1623                 enable = numberOfOptArgs(cur.paragraph())
1624                         < cur.paragraph().layout()->optionalargs;
1625                 break;
1626         case LFUN_ENVIRONMENT_INSERT:
1627                 code = InsetBase::BOX_CODE;
1628                 break;
1629         case LFUN_INDEX_INSERT:
1630                 code = InsetBase::INDEX_CODE;
1631                 break;
1632         case LFUN_INDEX_PRINT:
1633                 code = InsetBase::INDEX_PRINT_CODE;
1634                 break;
1635         case LFUN_TOC_INSERT:
1636                 code = InsetBase::TOC_CODE;
1637                 break;
1638         case LFUN_HTML_INSERT:
1639         case LFUN_URL_INSERT:
1640                 code = InsetBase::URL_CODE;
1641                 break;
1642         case LFUN_QUOTE_INSERT:
1643                 // always allow this, since we will inset a raw quote
1644                 // if an inset is not allowed.
1645                 break;
1646         case LFUN_HYPHENATION_POINT_INSERT:
1647         case LFUN_LIGATURE_BREAK_INSERT:
1648         case LFUN_HFILL_INSERT:
1649         case LFUN_MENU_SEPARATOR_INSERT:
1650         case LFUN_DOTS_INSERT:
1651         case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1652                 code = InsetBase::SPECIALCHAR_CODE;
1653                 break;
1654         case LFUN_SPACE_INSERT:
1655                 // slight hack: we know this is allowed in math mode
1656                 if (cur.inTexted())
1657                         code = InsetBase::SPACE_CODE;
1658                 break;
1659
1660         case LFUN_INSET_MODIFY:
1661                 // We need to disable this, because we may get called for a
1662                 // tabular cell via
1663                 // InsetTabular::getStatus() -> InsetText::getStatus()
1664                 // and we don't handle LFUN_INSET_MODIFY.
1665                 enable = false;
1666                 break;
1667
1668         case LFUN_FONT_EMPH:
1669                 flag.setOnOff(font.emph() == LyXFont::ON);
1670                 return true;
1671
1672         case LFUN_FONT_NOUN:
1673                 flag.setOnOff(font.noun() == LyXFont::ON);
1674                 return true;
1675
1676         case LFUN_FONT_BOLD:
1677                 flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
1678                 return true;
1679
1680         case LFUN_FONT_SANS:
1681                 flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
1682                 return true;
1683
1684         case LFUN_FONT_ROMAN:
1685                 flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
1686                 return true;
1687
1688         case LFUN_FONT_CODE:
1689                 flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
1690                 return true;
1691
1692         case LFUN_CUT:
1693         case LFUN_COPY:
1694                 enable = cur.selection();
1695                 break;
1696
1697         case LFUN_PASTE:
1698                 enable = cap::numberOfSelections() > 0;
1699                 break;
1700
1701         case LFUN_PARAGRAPH_MOVE_UP:
1702                 enable = cur.pit() > 0 && !cur.selection();
1703                 break;
1704
1705         case LFUN_PARAGRAPH_MOVE_DOWN:
1706                 enable = cur.pit() < cur.lastpit() && !cur.selection();
1707                 break;
1708
1709         case LFUN_INSET_DISSOLVE:
1710                 enable = !isMainText() && cur.inset().nargs() == 1;
1711                 break;
1712
1713         case LFUN_CHANGE_ACCEPT:
1714         case LFUN_CHANGE_REJECT:
1715                 enable = true; // FIXME: Change tracking (MG)
1716                 break;
1717
1718         case LFUN_WORD_DELETE_FORWARD:
1719         case LFUN_WORD_DELETE_BACKWARD:
1720         case LFUN_LINE_DELETE:
1721         case LFUN_WORD_FORWARD:
1722         case LFUN_WORD_BACKWARD:
1723         case LFUN_CHAR_FORWARD:
1724         case LFUN_CHAR_FORWARD_SELECT:
1725         case LFUN_CHAR_BACKWARD:
1726         case LFUN_CHAR_BACKWARD_SELECT:
1727         case LFUN_UP:
1728         case LFUN_UP_SELECT:
1729         case LFUN_DOWN:
1730         case LFUN_DOWN_SELECT:
1731         case LFUN_PARAGRAPH_UP_SELECT:
1732         case LFUN_PARAGRAPH_DOWN_SELECT:
1733         case LFUN_SCREEN_UP_SELECT:
1734         case LFUN_SCREEN_DOWN_SELECT:
1735         case LFUN_LINE_BEGIN_SELECT:
1736         case LFUN_LINE_END_SELECT:
1737         case LFUN_WORD_FORWARD_SELECT:
1738         case LFUN_WORD_BACKWARD_SELECT:
1739         case LFUN_WORD_SELECT:
1740         case LFUN_PARAGRAPH_UP:
1741         case LFUN_PARAGRAPH_DOWN:
1742         case LFUN_SCREEN_UP:
1743         case LFUN_SCREEN_DOWN:
1744         case LFUN_LINE_BEGIN:
1745         case LFUN_LINE_END:
1746         case LFUN_BREAK_LINE:
1747         case LFUN_CHAR_DELETE_FORWARD:
1748         case LFUN_DELETE_FORWARD_SKIP:
1749         case LFUN_CHAR_DELETE_BACKWARD:
1750         case LFUN_DELETE_BACKWARD_SKIP:
1751         case LFUN_BREAK_PARAGRAPH:
1752         case LFUN_BREAK_PARAGRAPH_KEEP_LAYOUT:
1753         case LFUN_BREAK_PARAGRAPH_SKIP:
1754         case LFUN_PARAGRAPH_SPACING:
1755         case LFUN_INSET_INSERT:
1756         case LFUN_WORD_UPCASE:
1757         case LFUN_WORD_LOWCASE:
1758         case LFUN_WORD_CAPITALIZE:
1759         case LFUN_CHARS_TRANSPOSE:
1760         case LFUN_SERVER_GET_XY:
1761         case LFUN_SERVER_SET_XY:
1762         case LFUN_SERVER_GET_FONT:
1763         case LFUN_SERVER_GET_LAYOUT:
1764         case LFUN_LAYOUT:
1765         case LFUN_CLIPBOARD_PASTE:
1766         case LFUN_PRIMARY_SELECTION_PASTE:
1767         case LFUN_DATE_INSERT:
1768         case LFUN_SELF_INSERT:
1769         case LFUN_LINE_INSERT:
1770         case LFUN_PAGEBREAK_INSERT:
1771         case LFUN_MATH_DISPLAY:
1772         case LFUN_MATH_IMPORT_SELECTION:
1773         case LFUN_MATH_MODE:
1774         case LFUN_MATH_MACRO:
1775         case LFUN_MATH_MATRIX:
1776         case LFUN_MATH_DELIM:
1777         case LFUN_MATH_BIGDELIM:
1778         case LFUN_MATH_SUBSCRIPT:
1779         case LFUN_MATH_SUPERSCRIPT:
1780         case LFUN_FONT_DEFAULT:
1781         case LFUN_FONT_UNDERLINE:
1782         case LFUN_FONT_SIZE:
1783         case LFUN_LANGUAGE:
1784         case LFUN_FONT_FREE_APPLY:
1785         case LFUN_FONT_FREE_UPDATE:
1786         case LFUN_LAYOUT_PARAGRAPH:
1787         case LFUN_PARAGRAPH_UPDATE:
1788         case LFUN_ACCENT_UMLAUT:
1789         case LFUN_ACCENT_CIRCUMFLEX:
1790         case LFUN_ACCENT_GRAVE:
1791         case LFUN_ACCENT_ACUTE:
1792         case LFUN_ACCENT_TILDE:
1793         case LFUN_ACCENT_CEDILLA:
1794         case LFUN_ACCENT_MACRON:
1795         case LFUN_ACCENT_DOT:
1796         case LFUN_ACCENT_UNDERDOT:
1797         case LFUN_ACCENT_UNDERBAR:
1798         case LFUN_ACCENT_CARON:
1799         case LFUN_ACCENT_SPECIAL_CARON:
1800         case LFUN_ACCENT_BREVE:
1801         case LFUN_ACCENT_TIE:
1802         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
1803         case LFUN_ACCENT_CIRCLE:
1804         case LFUN_ACCENT_OGONEK:
1805         case LFUN_THESAURUS_ENTRY:
1806         case LFUN_PARAGRAPH_PARAMS_APPLY:
1807         case LFUN_ESCAPE:
1808         case LFUN_BUFFER_END:
1809         case LFUN_BUFFER_BEGIN:
1810         case LFUN_BUFFER_BEGIN_SELECT:
1811         case LFUN_BUFFER_END_SELECT:
1812         case LFUN_UNICODE_INSERT:
1813                 // these are handled in our dispatch()
1814                 enable = true;
1815                 break;
1816
1817         default:
1818                 return false;
1819         }
1820
1821         if (code != InsetBase::NO_CODE
1822             && (cur.empty() || !cur.inset().insetAllowed(code)))
1823                 enable = false;
1824
1825         flag.enabled(enable);
1826         return true;
1827 }
1828
1829
1830 } // namespace lyx