src/LyXFunc.cpp

   1 /**
   2  * \file LyXFunc.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "LyXFunc.h"
  23
  24 #include "LayoutFile.h"
  25 #include "BranchList.h"
  26 #include "buffer_funcs.h"
  27 #include "Buffer.h"
  28 #include "BufferList.h"
  29 #include "BufferParams.h"
  30 #include "BufferView.h"
  31 #include "CmdDef.h"
  32 #include "Color.h"
  33 #include "Converter.h"
  34 #include "Cursor.h"
  35 #include "CutAndPaste.h"
  36 #include "DispatchResult.h"
  37 #include "Encoding.h"
  38 #include "ErrorList.h"
  39 #include "Format.h"
  40 #include "FuncRequest.h"
  41 #include "FuncStatus.h"
  42 #include "InsetIterator.h"
  43 #include "Intl.h"
  44 #include "KeyMap.h"
  45 #include "Language.h"
  46 #include "Lexer.h"
  47 #include "LyXAction.h"
  48 #include "lyxfind.h"
  49 #include "LyX.h"
  50 #include "LyXRC.h"
  51 #include "LyXVC.h"
  52 #include "Paragraph.h"
  53 #include "ParagraphParameters.h"
  54 #include "ParIterator.h"
  55 #include "Row.h"
  56 #include "Server.h"
  57 #include "Session.h"
  58
  59 #include "insets/InsetBox.h"
  60 #include "insets/InsetBranch.h"
  61 #include "insets/InsetCommand.h"
  62 #include "insets/InsetERT.h"
  63 #include "insets/InsetExternal.h"
  64 #include "insets/InsetFloat.h"
  65 #include "insets/InsetGraphics.h"
  66 #include "insets/InsetInclude.h"
  67 #include "insets/InsetListings.h"
  68 #include "insets/InsetNote.h"
  69 #include "insets/InsetPhantom.h"
  70 #include "insets/InsetSpace.h"
  71 #include "insets/InsetTabular.h"
  72 #include "insets/InsetVSpace.h"
  73 #include "insets/InsetWrap.h"
  74
  75 #include "frontends/alert.h"
  76 #include "frontends/Application.h"
  77 #include "frontends/KeySymbol.h"
  78 #include "frontends/LyXView.h"
  79 #include "frontends/Selection.h"
  80
  81 #include "support/debug.h"
  82 #include "support/environment.h"
  83 #include "support/FileName.h"
  84 #include "support/filetools.h"
  85 #include "support/gettext.h"
  86 #include "support/lstrings.h"
  87 #include "support/Path.h"
  88 #include "support/Package.h"
  89 #include "support/Systemcall.h"
  90 #include "support/convert.h"
  91 #include "support/os.h"
  92
  93 #include <sstream>
  94 #include <vector>
  95
  96 using namespace std;
  97 using namespace lyx::support;
  98
  99 namespace lyx {
 100
 101 using frontend::LyXView;
 102
 103 namespace Alert = frontend::Alert;
 104
 105 namespace {
 106
 107
 108 // This function runs "configure" and then rereads lyx.defaults to
 109 // reconfigure the automatic settings.
 110 void reconfigure(LyXView * lv, string const & option)
 111 {
 112         // emit message signal.
 113         if (lv)
 114                 lv->message(_("Running configure..."));
 115
 116         // Run configure in user lyx directory
 117         PathChanger p(package().user_support());
 118         string configure_command = package().configure_command();
 119         configure_command += option;
 120         Systemcall one;
 121         int ret = one.startscript(Systemcall::Wait, configure_command);
 122         p.pop();
 123         // emit message signal.
 124         if (lv)
 125                 lv->message(_("Reloading configuration..."));
 126         lyxrc.read(libFileSearch(string(), "lyxrc.defaults"));
 127         // Re-read packages.lst
 128         LaTeXFeatures::getAvailable();
 129
 130         if (ret)
 131                 Alert::information(_("System reconfiguration failed"),
 132                            _("The system reconfiguration has failed.\n"
 133                                   "Default textclass is used but LyX may "
 134                                   "not be able to work properly.\n"
 135                                   "Please reconfigure again if needed."));
 136         else
 137
 138                 Alert::information(_("System reconfigured"),
 139                            _("The system has been reconfigured.\n"
 140                              "You need to restart LyX to make use of any\n"
 141                              "updated document class specifications."));
 142 }
 143
 144
 145 bool getLocalStatus(Cursor cursor, FuncRequest const & cmd, FuncStatus & status)
 146 {
 147         // Try to fix cursor in case it is broken.
 148         cursor.fixIfBroken();
 149
 150         // This is, of course, a mess. Better create a new doc iterator and use
 151         // this in Inset::getStatus. This might require an additional
 152         // BufferView * arg, though (which should be avoided)
 153         //Cursor safe = *this;
 154         bool res = false;
 155         for ( ; cursor.depth(); cursor.pop()) {
 156                 //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
 157                 LASSERT(cursor.idx() <= cursor.lastidx(), /**/);
 158                 LASSERT(cursor.pit() <= cursor.lastpit(), /**/);
 159                 LASSERT(cursor.pos() <= cursor.lastpos(), /**/);
 160
 161                 // The inset's getStatus() will return 'true' if it made
 162                 // a definitive decision on whether it want to handle the
 163                 // request or not. The result of this decision is put into
 164                 // the 'status' parameter.
 165                 if (cursor.inset().getStatus(cursor, cmd, status)) {
 166                         res = true;
 167                         break;
 168                 }
 169         }
 170         return res;
 171 }
 172
 173
 174 /** Return the change status at cursor position, taking in account the
 175  * status at each level of the document iterator (a table in a deleted
 176  * footnote is deleted).
 177  * When \param outer is true, the top slice is not looked at.
 178  */
 179 Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
 180 {
 181         size_t const depth = dit.depth() - (outer ? 1 : 0);
 182
 183         for (size_t i = 0 ; i < depth ; ++i) {
 184                 CursorSlice const & slice = dit[i];
 185                 if (!slice.inset().inMathed()
 186                     && slice.pos() < slice.paragraph().size()) {
 187                         Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
 188                         if (ch != Change::UNCHANGED)
 189                                 return ch;
 190                 }
 191         }
 192         return Change::UNCHANGED;
 193 }
 194
 195 }
 196
 197
 198 LyXFunc::LyXFunc()
 199         : lyx_view_(0), encoded_last_key(0), meta_fake_bit(NoModifier)
 200 {
 201 }
 202
 203
 204 void LyXFunc::initKeySequences(KeyMap * kb)
 205 {
 206         keyseq = KeySequence(kb, kb);
 207         cancel_meta_seq = KeySequence(kb, kb);
 208 }
 209
 210
 211 void LyXFunc::setLyXView(LyXView * lv)
 212 {
 213         if (lyx_view_ && lyx_view_->view() && lyx_view_ != lv)
 214                 // save current selection to the selection buffer to allow
 215                 // middle-button paste in another window
 216                 cap::saveSelection(lyx_view_->view()->cursor());
 217         lyx_view_ = lv;
 218 }
 219
 220
 221 void LyXFunc::handleKeyFunc(FuncCode action)
 222 {
 223         char_type c = encoded_last_key;
 224
 225         if (keyseq.length())
 226                 c = 0;
 227
 228         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 229         lyx_view_->view()->getIntl().getTransManager().deadkey(
 230                 c, get_accent(action).accent, view()->cursor().innerText(), view()->cursor());
 231         // Need to clear, in case the minibuffer calls these
 232         // actions
 233         keyseq.clear();
 234         // copied verbatim from do_accent_char
 235         view()->cursor().resetAnchor();
 236         view()->processUpdateFlags(Update::FitCursor);
 237 }
 238
 239 //FIXME: bookmark handling is a frontend issue. This code should be transferred
 240 // to GuiView and be GuiView and be window dependent.
 241 void LyXFunc::gotoBookmark(unsigned int idx, bool openFile, bool switchToBuffer)
 242 {
 243         LASSERT(lyx_view_, /**/);
 244         if (!theSession().bookmarks().isValid(idx))
 245                 return;
 246         BookmarksSection::Bookmark const & bm = theSession().bookmarks().bookmark(idx);
 247         LASSERT(!bm.filename.empty(), /**/);
 248         string const file = bm.filename.absFilename();
 249         // if the file is not opened, open it.
 250         if (!theBufferList().exists(bm.filename)) {
 251                 if (openFile)
 252                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 253                 else
 254                         return;
 255         }
 256         // open may fail, so we need to test it again
 257         if (!theBufferList().exists(bm.filename))
 258                 return;
 259
 260         // bm can be changed when saving
 261         BookmarksSection::Bookmark tmp = bm;
 262
 263         // Special case idx == 0 used for back-from-back jump navigation
 264         if (idx == 0)
 265                 dispatch(FuncRequest(LFUN_BOOKMARK_SAVE, "0"));
 266
 267         // if the current buffer is not that one, switch to it.
 268         if (lyx_view_->buffer()->fileName() != tmp.filename) {
 269                 if (!switchToBuffer)
 270                         return;
 271                 dispatch(FuncRequest(LFUN_BUFFER_SWITCH, file));
 272         }
 273
 274         // moveToPosition try paragraph id first and then paragraph (pit, pos).
 275         if (!view()->moveToPosition(tmp.bottom_pit, tmp.bottom_pos,
 276                 tmp.top_id, tmp.top_pos))
 277                 return;
 278
 279         // bm changed
 280         if (idx == 0)
 281                 return;
 282
 283         // Cursor jump succeeded!
 284         Cursor const & cur = view()->cursor();
 285         pit_type new_pit = cur.pit();
 286         pos_type new_pos = cur.pos();
 287         int new_id = cur.paragraph().id();
 288
 289         // if bottom_pit, bottom_pos or top_id has been changed, update bookmark
 290         // see http://bugzilla.lyx.org/show_bug.cgi?id=3092
 291         if (bm.bottom_pit != new_pit || bm.bottom_pos != new_pos
 292                 || bm.top_id != new_id) {
 293                 const_cast<BookmarksSection::Bookmark &>(bm).updatePos(
 294                         new_pit, new_pos, new_id);
 295         }
 296 }
 297
 298
 299 void LyXFunc::processKeySym(KeySymbol const & keysym, KeyModifier state)
 300 {
 301         LYXERR(Debug::KEY, "KeySym is " << keysym.getSymbolName());
 302
 303         // Do nothing if we have nothing (JMarc)
 304         if (!keysym.isOK()) {
 305                 LYXERR(Debug::KEY, "Empty kbd action (probably composing)");
 306                 lyx_view_->restartCursor();
 307                 return;
 308         }
 309
 310         if (keysym.isModifier()) {
 311                 LYXERR(Debug::KEY, "isModifier true");
 312                 if (lyx_view_)
 313                         lyx_view_->restartCursor();
 314                 return;
 315         }
 316
 317         //Encoding const * encoding = view()->cursor().getEncoding();
 318         //encoded_last_key = keysym.getISOEncoded(encoding ? encoding->name() : "");
 319         // FIXME: encoded_last_key shadows the member variable of the same
 320         // name. Is that intended?
 321         char_type encoded_last_key = keysym.getUCSEncoded();
 322
 323         // Do a one-deep top-level lookup for
 324         // cancel and meta-fake keys. RVDK_PATCH_5
 325         cancel_meta_seq.reset();
 326
 327         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 328         LYXERR(Debug::KEY, "action first set to [" << func.action << ']');
 329
 330         // When not cancel or meta-fake, do the normal lookup.
 331         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 332         // Mostly, meta_fake_bit = NoModifier. RVDK_PATCH_5.
 333         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_PREFIX)) {
 334                 // remove Caps Lock and Mod2 as a modifiers
 335                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 336                 LYXERR(Debug::KEY, "action now set to [" << func.action << ']');
 337         }
 338
 339         // Dont remove this unless you know what you are doing.
 340         meta_fake_bit = NoModifier;
 341
 342         // Can this happen now ?
 343         if (func.action == LFUN_NOACTION)
 344                 func = FuncRequest(LFUN_COMMAND_PREFIX);
 345
 346         LYXERR(Debug::KEY, " Key [action=" << func.action << "]["
 347                 << keyseq.print(KeySequence::Portable) << ']');
 348
 349         // already here we know if it any point in going further
 350         // why not return already here if action == -1 and
 351         // num_bytes == 0? (Lgb)
 352
 353         if (keyseq.length() > 1)
 354                 lyx_view_->message(keyseq.print(KeySequence::ForGui));
 355
 356
 357         // Maybe user can only reach the key via holding down shift.
 358         // Let's see. But only if shift is the only modifier
 359         if (func.action == LFUN_UNKNOWN_ACTION && state == ShiftModifier) {
 360                 LYXERR(Debug::KEY, "Trying without shift");
 361                 func = keyseq.addkey(keysym, NoModifier);
 362                 LYXERR(Debug::KEY, "Action now " << func.action);
 363         }
 364
 365         if (func.action == LFUN_UNKNOWN_ACTION) {
 366                 // Hmm, we didn't match any of the keysequences. See
 367                 // if it's normal insertable text not already covered
 368                 // by a binding
 369                 if (keysym.isText() && keyseq.length() == 1) {
 370                         LYXERR(Debug::KEY, "isText() is true, inserting.");
 371                         func = FuncRequest(LFUN_SELF_INSERT,
 372                                            FuncRequest::KEYBOARD);
 373                 } else {
 374                         LYXERR(Debug::KEY, "Unknown, !isText() - giving up");
 375                         lyx_view_->message(_("Unknown function."));
 376                         lyx_view_->restartCursor();
 377                         return;
 378                 }
 379         }
 380
 381         if (func.action == LFUN_SELF_INSERT) {
 382                 if (encoded_last_key != 0) {
 383                         docstring const arg(1, encoded_last_key);
 384                         dispatch(FuncRequest(LFUN_SELF_INSERT, arg,
 385                                              FuncRequest::KEYBOARD));
 386                         LYXERR(Debug::KEY, "SelfInsert arg[`" << to_utf8(arg) << "']");
 387                 }
 388         } else {
 389                 dispatch(func);
 390                 if (!lyx_view_)
 391                         return;
 392         }
 393 }
 394
 395
 396 FuncStatus LyXFunc::getStatus(FuncRequest const & cmd) const
 397 {
 398         //lyxerr << "LyXFunc::getStatus: cmd: " << cmd << endl;
 399         FuncStatus flag;
 400
 401         Buffer * buf = lyx_view_ ? lyx_view_->buffer() : 0;
 402
 403         if (cmd.action == LFUN_NOACTION) {
 404                 flag.message(from_utf8(N_("Nothing to do")));
 405                 flag.setEnabled(false);
 406                 return flag;
 407         }
 408
 409         switch (cmd.action) {
 410         case LFUN_UNKNOWN_ACTION:
 411                 flag.unknown(true);
 412                 flag.setEnabled(false);
 413                 break;
 414
 415         default:
 416                 break;
 417         }
 418
 419         if (flag.unknown()) {
 420                 flag.message(from_utf8(N_("Unknown action")));
 421                 return flag;
 422         }
 423
 424         if (!flag.enabled()) {
 425                 if (flag.message().empty())
 426                         flag.message(from_utf8(N_("Command disabled")));
 427                 return flag;
 428         }
 429
 430         // Check whether we need a buffer
 431         if (!lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer) && !buf) {
 432                 // no, exit directly
 433                 flag.message(from_utf8(N_("Command not allowed with"
 434                                     "out any document open")));
 435                 flag.setEnabled(false);
 436                 return flag;
 437         }
 438
 439         // I would really like to avoid having this switch and rather try to
 440         // encode this in the function itself.
 441         // -- And I'd rather let an inset decide which LFUNs it is willing
 442         // to handle (Andre')
 443         bool enable = true;
 444         switch (cmd.action) {
 445
 446         case LFUN_BUFFER_TOGGLE_READ_ONLY:
 447                 flag.setOnOff(buf->isReadonly());
 448                 break;
 449
 450         case LFUN_BUFFER_SWITCH:
 451                 // toggle on the current buffer, but do not toggle off
 452                 // the other ones (is that a good idea?)
 453                 if (buf && to_utf8(cmd.argument()) == buf->absFileName())
 454                         flag.setOnOff(true);
 455                 break;
 456
 457         case LFUN_BUFFER_CHKTEX:
 458                 enable = buf->isLatex() && !lyxrc.chktex_command.empty();
 459                 break;
 460
 461         case LFUN_BUILD_PROGRAM:
 462                 enable = buf->isExportable("program");
 463                 break;
 464
 465         case LFUN_VC_REGISTER:
 466                 enable = !buf->lyxvc().inUse();
 467                 break;
 468         case LFUN_VC_CHECK_IN:
 469                 enable = buf->lyxvc().checkInEnabled();
 470                 break;
 471         case LFUN_VC_CHECK_OUT:
 472                 enable = buf->lyxvc().checkOutEnabled();
 473                 break;
 474         case LFUN_VC_REVERT:
 475                 enable = buf->lyxvc().inUse();
 476                 break;
 477         case LFUN_VC_UNDO_LAST:
 478                 enable = buf->lyxvc().undoLastEnabled();
 479                 break;
 480         case LFUN_BUFFER_RELOAD:
 481                 enable = !buf->isUnnamed() && buf->fileName().exists()
 482                         && (!buf->isClean() || buf->isExternallyModified(Buffer::timestamp_method));
 483                 break;
 484
 485         case LFUN_CITATION_INSERT: {
 486                 FuncRequest fr(LFUN_INSET_INSERT, "citation");
 487                 enable = getStatus(fr).enabled();
 488                 break;
 489         }
 490
 491         // This could be used for the no-GUI version. The GUI version is handled in
 492         // LyXView::getStatus(). See above.
 493         /*
 494         case LFUN_BUFFER_WRITE:
 495         case LFUN_BUFFER_WRITE_AS: {
 496                 Buffer * b = theBufferList().getBuffer(FileName(cmd.getArg(0)));
 497                 enable = b && (b->isUnnamed() || !b->isClean());
 498                 break;
 499         }
 500         */
 501
 502         case LFUN_BUFFER_WRITE_ALL: {
 503                 // We enable the command only if there are some modified buffers
 504                 Buffer * first = theBufferList().first();
 505                 enable = false;
 506                 if (!first)
 507                         break;
 508                 Buffer * b = first;
 509                 // We cannot use a for loop as the buffer list is a cycle.
 510                 do {
 511                         if (!b->isClean()) {
 512                                 enable = true;
 513                                 break;
 514                         }
 515                         b = theBufferList().next(b);
 516                 } while (b != first);
 517                 break;
 518         }
 519
 520         case LFUN_BOOKMARK_GOTO: {
 521                 const unsigned int num = convert<unsigned int>(to_utf8(cmd.argument()));
 522                 enable = theSession().bookmarks().isValid(num);
 523                 break;
 524         }
 525
 526         case LFUN_BOOKMARK_CLEAR:
 527                 enable = theSession().bookmarks().hasValid();
 528                 break;
 529
 530         // this one is difficult to get right. As a half-baked
 531         // solution, we consider only the first action of the sequence
 532         case LFUN_COMMAND_SEQUENCE: {
 533                 // argument contains ';'-terminated commands
 534                 string const firstcmd = token(to_utf8(cmd.argument()), ';', 0);
 535                 FuncRequest func(lyxaction.lookupFunc(firstcmd));
 536                 func.origin = cmd.origin;
 537                 flag = getStatus(func);
 538                 break;
 539         }
 540
 541         // we want to check if at least one of these is enabled
 542         case LFUN_COMMAND_ALTERNATIVES: {
 543                 // argument contains ';'-terminated commands
 544                 string arg = to_utf8(cmd.argument());
 545                 while (!arg.empty()) {
 546                         string first;
 547                         arg = split(arg, first, ';');
 548                         FuncRequest func(lyxaction.lookupFunc(first));
 549                         func.origin = cmd.origin;
 550                         flag = getStatus(func);
 551                         // if this one is enabled, the whole thing is
 552                         if (flag.enabled())
 553                                 break;
 554                 }
 555                 break;
 556         }
 557
 558         case LFUN_CALL: {
 559                 FuncRequest func;
 560                 string name = to_utf8(cmd.argument());
 561                 if (theTopLevelCmdDef().lock(name, func)) {
 562                         func.origin = cmd.origin;
 563                         flag = getStatus(func);
 564                         theTopLevelCmdDef().release(name);
 565                 } else {
 566                         // catch recursion or unknown command definiton
 567                         // all operations until the recursion or unknown command
 568                         // definiton occures are performed, so set the state to enabled
 569                         enable = true;
 570                 }
 571                 break;
 572         }
 573
 574         case LFUN_VC_COMMAND: {
 575                 if (cmd.argument().empty())
 576                         enable = false;
 577
 578                 if (!buf && contains(cmd.getArg(0), 'D'))
 579                         enable = false;
 580                 break;
 581         }
 582
 583         case LFUN_MASTER_BUFFER_UPDATE:
 584         case LFUN_MASTER_BUFFER_VIEW:
 585                 if (!buf->parent()) {
 586                         enable = false;
 587                         break;
 588                 }
 589         case LFUN_BUFFER_UPDATE:
 590         case LFUN_BUFFER_VIEW: {
 591                 string format = to_utf8(cmd.argument());
 592                 if (cmd.argument().empty())
 593                         format = buf->getDefaultOutputFormat();
 594                 typedef vector<Format const *> Formats;
 595                 Formats formats;
 596                 formats = buf->exportableFormats(true);
 597                 Formats::const_iterator fit = formats.begin();
 598                 Formats::const_iterator end = formats.end();
 599                 enable = false;
 600                 for (; fit != end ; ++fit) {
 601                         if ((*fit)->name() == format)
 602                                 enable = true;
 603                 }
 604                 break;
 605         }
 606
 607         case LFUN_WORD_FIND_FORWARD:
 608         case LFUN_WORD_FIND_BACKWARD:
 609         case LFUN_WORD_FINDADV:
 610         case LFUN_COMMAND_PREFIX:
 611         case LFUN_COMMAND_EXECUTE:
 612         case LFUN_CANCEL:
 613         case LFUN_META_PREFIX:
 614         case LFUN_BUFFER_CLOSE:
 615         case LFUN_BUFFER_IMPORT:
 616         case LFUN_BUFFER_AUTO_SAVE:
 617         case LFUN_RECONFIGURE:
 618         case LFUN_HELP_OPEN:
 619         case LFUN_DROP_LAYOUTS_CHOICE:
 620         case LFUN_MENU_OPEN:
 621         case LFUN_SERVER_GET_FILENAME:
 622         case LFUN_SERVER_NOTIFY:
 623         case LFUN_SERVER_GOTO_FILE_ROW:
 624         case LFUN_DIALOG_HIDE:
 625         case LFUN_DIALOG_DISCONNECT_INSET:
 626         case LFUN_BUFFER_CHILD_OPEN:
 627         case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
 628         case LFUN_KEYMAP_OFF:
 629         case LFUN_KEYMAP_PRIMARY:
 630         case LFUN_KEYMAP_SECONDARY:
 631         case LFUN_KEYMAP_TOGGLE:
 632         case LFUN_REPEAT:
 633         case LFUN_BUFFER_EXPORT_CUSTOM:
 634         case LFUN_PREFERENCES_SAVE:
 635         case LFUN_MESSAGE:
 636         case LFUN_INSET_EDIT:
 637         case LFUN_BUFFER_LANGUAGE:
 638         case LFUN_TEXTCLASS_APPLY:
 639         case LFUN_TEXTCLASS_LOAD:
 640         case LFUN_BUFFER_SAVE_AS_DEFAULT:
 641         case LFUN_BUFFER_PARAMS_APPLY:
 642         case LFUN_LAYOUT_MODULES_CLEAR:
 643         case LFUN_LAYOUT_MODULE_ADD:
 644         case LFUN_LAYOUT_RELOAD:
 645         case LFUN_LYXRC_APPLY:
 646         case LFUN_BUFFER_NEXT:
 647         case LFUN_BUFFER_PREVIOUS:
 648                 // these are handled in our dispatch()
 649                 break;
 650
 651         default:
 652                 if (!theApp()) {
 653                         enable = false;
 654                         break;
 655                 }
 656                 if (theApp()->getStatus(cmd, flag))
 657                         break;
 658
 659                 // Does the view know something?
 660                 if (!lyx_view_) {
 661                         enable = false;
 662                         break;
 663                 }
 664                 if (lyx_view_->getStatus(cmd, flag))
 665                         break;
 666
 667                 // If we do not have a BufferView, then other functions are disabled
 668                 if (!view()) {
 669                         enable = false;
 670                         break;
 671                 }
 672
 673                 // Is this a function that acts on inset at point?
 674                 Inset * inset = view()->cursor().nextInset();
 675                 if (lyxaction.funcHasFlag(cmd.action, LyXAction::AtPoint)
 676                     && inset && inset->getStatus(view()->cursor(), cmd, flag))
 677                         break;
 678
 679                 bool decided = getLocalStatus(view()->cursor(), cmd, flag);
 680                 if (!decided)
 681                         // try the BufferView
 682                         decided = view()->getStatus(cmd, flag);
 683                 if (!decided)
 684                         // try the Buffer
 685                         view()->buffer().getStatus(cmd, flag);
 686         }
 687
 688         if (!enable)
 689                 flag.setEnabled(false);
 690
 691         // Can we use a readonly buffer?
 692         if (buf && buf->isReadonly()
 693             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 694             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 695                 flag.message(from_utf8(N_("Document is read-only")));
 696                 flag.setEnabled(false);
 697         }
 698
 699         // Are we in a DELETED change-tracking region?
 700         if (buf && view()
 701                 && lookupChangeType(view()->cursor(), true) == Change::DELETED
 702             && !lyxaction.funcHasFlag(cmd.action, LyXAction::ReadOnly)
 703             && !lyxaction.funcHasFlag(cmd.action, LyXAction::NoBuffer)) {
 704                 flag.message(from_utf8(N_("This portion of the document is deleted.")));
 705                 flag.setEnabled(false);
 706         }
 707
 708         // the default error message if we disable the command
 709         if (!flag.enabled() && flag.message().empty())
 710                 flag.message(from_utf8(N_("Command disabled")));
 711
 712         return flag;
 713 }
 714
 715
 716 bool LyXFunc::ensureBufferClean(BufferView * bv)
 717 {
 718         Buffer & buf = bv->buffer();
 719         if (buf.isClean() && !buf.isUnnamed())
 720                 return true;
 721
 722         docstring const file = buf.fileName().displayName(30);
 723         docstring title;
 724         docstring text;
 725         if (!buf.isUnnamed()) {
 726                 text = bformat(_("The document %1$s has unsaved "
 727                                              "changes.\n\nDo you want to save "
 728                                              "the document?"), file);
 729                 title = _("Save changed document?");
 730
 731         } else {
 732                 text = bformat(_("The document %1$s has not been "
 733                                              "saved yet.\n\nDo you want to save "
 734                                              "the document?"), file);
 735                 title = _("Save new document?");
 736         }
 737         int const ret = Alert::prompt(title, text, 0, 1, _("&Save"), _("&Cancel"));
 738
 739         if (ret == 0)
 740                 lyx_view_->dispatch(FuncRequest(LFUN_BUFFER_WRITE));
 741
 742         return buf.isClean() && !buf.isUnnamed();
 743 }
 744
 745
 746 namespace {
 747
 748 bool loadLayoutFile(string const & name, string const & buf_path)
 749 {
 750         if (!LayoutFileList::get().haveClass(name)) {
 751                 lyxerr << "Document class \"" << name
 752                        << "\" does not exist."
 753                        << endl;
 754                 return false;
 755         }
 756
 757         LayoutFile & tc = LayoutFileList::get()[name];
 758         if (!tc.load(buf_path)) {
 759                 docstring s = bformat(_("The document class %1$s "
 760                                    "could not be loaded."), from_utf8(name));
 761                 Alert::error(_("Could not load class"), s);
 762                 return false;
 763         }
 764         return true;
 765 }
 766
 767
 768 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new);
 769
 770 } //namespace anon
 771
 772
 773 void LyXFunc::dispatch(FuncRequest const & cmd)
 774 {
 775         string const argument = to_utf8(cmd.argument());
 776         FuncCode const action = cmd.action;
 777
 778         LYXERR(Debug::ACTION, "\nLyXFunc::dispatch: cmd: " << cmd);
 779         //lyxerr << "LyXFunc::dispatch: cmd: " << cmd << endl;
 780
 781         // we have not done anything wrong yet.
 782         errorstat = false;
 783         dispatch_buffer.erase();
 784
 785         // redraw the screen at the end (first of the two drawing steps).
 786         //This is done unless explicitely requested otherwise
 787         Update::flags updateFlags = Update::FitCursor;
 788
 789         FuncStatus const flag = getStatus(cmd);
 790         if (!flag.enabled()) {
 791                 // We cannot use this function here
 792                 LYXERR(Debug::ACTION, "LyXFunc::dispatch: "
 793                        << lyxaction.getActionName(action)
 794                        << " [" << action << "] is disabled at this location");
 795                 setErrorMessage(flag.message());
 796                 if (lyx_view_)
 797                         lyx_view_->restartCursor();
 798         } else {
 799                 Buffer * buffer = lyx_view_ ? lyx_view_->buffer() : 0;
 800                 switch (action) {
 801
 802                 case LFUN_WORD_FIND_FORWARD:
 803                 case LFUN_WORD_FIND_BACKWARD: {
 804                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 805                         static docstring last_search;
 806                         docstring searched_string;
 807
 808                         if (!cmd.argument().empty()) {
 809                                 last_search = cmd.argument();
 810                                 searched_string = cmd.argument();
 811                         } else {
 812                                 searched_string = last_search;
 813                         }
 814
 815                         if (searched_string.empty())
 816                                 break;
 817
 818                         bool const fw = action == LFUN_WORD_FIND_FORWARD;
 819                         docstring const data =
 820                                 find2string(searched_string, true, false, fw);
 821                         find(view(), FuncRequest(LFUN_WORD_FIND, data));
 822                         break;
 823                 }
 824
 825                 case LFUN_COMMAND_PREFIX:
 826                         LASSERT(lyx_view_, /**/);
 827                         lyx_view_->message(keyseq.printOptions(true));
 828                         break;
 829
 830                 case LFUN_CANCEL:
 831                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
 832                         keyseq.reset();
 833                         meta_fake_bit = NoModifier;
 834                         if (buffer)
 835                                 // cancel any selection
 836                                 dispatch(FuncRequest(LFUN_MARK_OFF));
 837                         setMessage(from_ascii(N_("Cancel")));
 838                         break;
 839
 840                 case LFUN_META_PREFIX:
 841                         meta_fake_bit = AltModifier;
 842                         setMessage(keyseq.print(KeySequence::ForGui));
 843                         break;
 844
 845                 case LFUN_BUFFER_TOGGLE_READ_ONLY: {
 846                         LASSERT(lyx_view_ && lyx_view_->view() && buffer, /**/);
 847                         if (buffer->lyxvc().inUse())
 848                                 buffer->lyxvc().toggleReadOnly();
 849                         else
 850                                 buffer->setReadonly(!buffer->isReadonly());
 851                         break;
 852                 }
 853
 854                 // --- Menus -----------------------------------------------
 855                 case LFUN_BUFFER_CLOSE:
 856                         lyx_view_->closeBuffer();
 857                         buffer = 0;
 858                         updateFlags = Update::None;
 859                         break;
 860
 861                 case LFUN_BUFFER_RELOAD: {
 862                         LASSERT(lyx_view_ && buffer, /**/);
 863                         docstring const file = makeDisplayPath(buffer->absFileName(), 20);
 864                         docstring text = bformat(_("Any changes will be lost. Are you sure "
 865                                                              "you want to revert to the saved version of the document %1$s?"), file);
 866                         int const ret = Alert::prompt(_("Revert to saved document?"),
 867                                 text, 1, 1, _("&Revert"), _("&Cancel"));
 868
 869                         if (ret == 0)
 870                                 reloadBuffer();
 871                         break;
 872                 }
 873
 874                 case LFUN_BUFFER_UPDATE: {
 875                         LASSERT(lyx_view_ && buffer, /**/);
 876                         string format = argument;
 877                         if (argument.empty())
 878                                 format = buffer->getDefaultOutputFormat();
 879                         buffer->doExport(format, true);
 880                         break;
 881                 }
 882
 883                 case LFUN_BUFFER_VIEW: {
 884                         LASSERT(lyx_view_ && buffer, /**/);
 885                         string format = argument;
 886                         if (argument.empty())
 887                                 format = buffer->getDefaultOutputFormat();
 888                         buffer->preview(format);
 889                         break;
 890                 }
 891
 892                 case LFUN_MASTER_BUFFER_UPDATE: {
 893                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 894                         string format = argument;
 895                         if (argument.empty())
 896                                 format = buffer->masterBuffer()->getDefaultOutputFormat();
 897                         buffer->masterBuffer()->doExport(format, true);
 898                         break;
 899                 }
 900
 901                 case LFUN_MASTER_BUFFER_VIEW: {
 902                         LASSERT(lyx_view_ && buffer && buffer->masterBuffer(), /**/);
 903                         string format = argument;
 904                         if (argument.empty())
 905                                 format = buffer->masterBuffer()->getDefaultOutputFormat();
 906                         buffer->masterBuffer()->preview(format);
 907                         break;
 908                 }
 909
 910                 case LFUN_BUILD_PROGRAM:
 911                         LASSERT(lyx_view_ && buffer, /**/);
 912                         buffer->doExport("program", true);
 913                         break;
 914
 915                 case LFUN_BUFFER_CHKTEX:
 916                         LASSERT(lyx_view_ && buffer, /**/);
 917                         buffer->runChktex();
 918                         break;
 919
 920                 case LFUN_BUFFER_EXPORT:
 921                         LASSERT(lyx_view_ && buffer, /**/);
 922                         if (argument == "custom")
 923                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, "sendto"));
 924                         else
 925                                 buffer->doExport(argument, false);
 926                         break;
 927
 928                 case LFUN_BUFFER_EXPORT_CUSTOM: {
 929                         LASSERT(lyx_view_ && buffer, /**/);
 930                         string format_name;
 931                         string command = split(argument, format_name, ' ');
 932                         Format const * format = formats.getFormat(format_name);
 933                         if (!format) {
 934                                 lyxerr << "Format \"" << format_name
 935                                        << "\" not recognized!"
 936                                        << endl;
 937                                 break;
 938                         }
 939
 940                         // The name of the file created by the conversion process
 941                         string filename;
 942
 943                         // Output to filename
 944                         if (format->name() == "lyx") {
 945                                 string const latexname = buffer->latexName(false);
 946                                 filename = changeExtension(latexname,
 947                                                            format->extension());
 948                                 filename = addName(buffer->temppath(), filename);
 949
 950                                 if (!buffer->writeFile(FileName(filename)))
 951                                         break;
 952
 953                         } else {
 954                                 buffer->doExport(format_name, true, filename);
 955                         }
 956
 957                         // Substitute $$FName for filename
 958                         if (!contains(command, "$$FName"))
 959                                 command = "( " + command + " ) < $$FName";
 960                         command = subst(command, "$$FName", filename);
 961
 962                         // Execute the command in the background
 963                         Systemcall call;
 964                         call.startscript(Systemcall::DontWait, command);
 965                         break;
 966                 }
 967
 968                 // FIXME: There is need for a command-line import.
 969                 /*
 970                 case LFUN_BUFFER_IMPORT:
 971                         doImport(argument);
 972                         break;
 973                 */
 974
 975                 case LFUN_BUFFER_AUTO_SAVE:
 976                         buffer->autoSave();
 977                         break;
 978
 979                 case LFUN_RECONFIGURE:
 980                         // argument is any additional parameter to the configure.py command
 981                         reconfigure(lyx_view_, argument);
 982                         break;
 983
 984                 case LFUN_HELP_OPEN: {
 985                         if (lyx_view_ == 0)
 986                                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
 987                         string const arg = argument;
 988                         if (arg.empty()) {
 989                                 setErrorMessage(from_utf8(N_("Missing argument")));
 990                                 break;
 991                         }
 992                         FileName fname = i18nLibFileSearch("doc", arg, "lyx");
 993                         if (fname.empty())
 994                                 fname = i18nLibFileSearch("examples", arg, "lyx");
 995
 996                         if (fname.empty()) {
 997                                 lyxerr << "LyX: unable to find documentation file `"
 998                                                          << arg << "'. Bad installation?" << endl;
 999                                 break;
1000                         }
1001                         lyx_view_->message(bformat(_("Opening help file %1$s..."),
1002                                 makeDisplayPath(fname.absFilename())));
1003                         Buffer * buf = lyx_view_->loadDocument(fname, false);
1004                         if (buf) {
1005                                 buf->updateLabels();
1006                                 lyx_view_->setBuffer(buf);
1007                                 buf->errors("Parse");
1008                         }
1009                         updateFlags = Update::None;
1010                         break;
1011                 }
1012
1013                 // --- version control -------------------------------
1014                 case LFUN_VC_REGISTER:
1015                         LASSERT(lyx_view_ && buffer, /**/);
1016                         if (!ensureBufferClean(view()))
1017                                 break;
1018                         if (!buffer->lyxvc().inUse()) {
1019                                 if (buffer->lyxvc().registrer())
1020                                         reloadBuffer();
1021                         }
1022                         updateFlags = Update::Force;
1023                         break;
1024
1025                 case LFUN_VC_CHECK_IN:
1026                         LASSERT(lyx_view_ && buffer, /**/);
1027                         if (!ensureBufferClean(view()))
1028                                 break;
1029                         if (buffer->lyxvc().inUse()
1030                                         && !buffer->isReadonly()) {
1031                                 setMessage(from_utf8(buffer->lyxvc().checkIn()));
1032                                 reloadBuffer();
1033                         }
1034                         break;
1035
1036                 case LFUN_VC_CHECK_OUT:
1037                         LASSERT(lyx_view_ && buffer, /**/);
1038                         if (!ensureBufferClean(view()))
1039                                 break;
1040                         if (buffer->lyxvc().inUse()) {
1041                                 setMessage(from_utf8(buffer->lyxvc().checkOut()));
1042                                 reloadBuffer();
1043                         }
1044                         break;
1045
1046                 case LFUN_VC_REVERT:
1047                         LASSERT(lyx_view_ && buffer, /**/);
1048                         buffer->lyxvc().revert();
1049                         reloadBuffer();
1050                         break;
1051
1052                 case LFUN_VC_UNDO_LAST:
1053                         LASSERT(lyx_view_ && buffer, /**/);
1054                         buffer->lyxvc().undoLast();
1055                         reloadBuffer();
1056                         break;
1057
1058                 // --- lyxserver commands ----------------------------
1059                 case LFUN_SERVER_GET_FILENAME:
1060                         LASSERT(lyx_view_ && buffer, /**/);
1061                         setMessage(from_utf8(buffer->absFileName()));
1062                         LYXERR(Debug::INFO, "FNAME["
1063                                 << buffer->absFileName() << ']');
1064                         break;
1065
1066                 case LFUN_SERVER_NOTIFY:
1067                         dispatch_buffer = keyseq.print(KeySequence::Portable);
1068                         theServer().notifyClient(to_utf8(dispatch_buffer));
1069                         break;
1070
1071                 case LFUN_SERVER_GOTO_FILE_ROW: {
1072                         LASSERT(lyx_view_, /**/);
1073                         string file_name;
1074                         int row;
1075                         istringstream is(argument);
1076                         is >> file_name >> row;
1077                         Buffer * buf = 0;
1078                         bool loaded = false;
1079                         string const abstmp = package().temp_dir().absFilename();
1080                         string const realtmp = package().temp_dir().realPath();
1081                         // We have to use os::path_prefix_is() here, instead of
1082                         // simply prefixIs(), because the file name comes from
1083                         // an external application and may need case adjustment.
1084                         if (os::path_prefix_is(file_name, abstmp, os::CASE_ADJUSTED)
1085                             || os::path_prefix_is(file_name, realtmp, os::CASE_ADJUSTED)) {
1086                                 // Needed by inverse dvi search. If it is a file
1087                                 // in tmpdir, call the apropriated function.
1088                                 // If tmpdir is a symlink, we may have the real
1089                                 // path passed back, so we correct for that.
1090                                 if (!prefixIs(file_name, abstmp))
1091                                         file_name = subst(file_name, realtmp, abstmp);
1092                                 buf = theBufferList().getBufferFromTmp(file_name);
1093                         } else {
1094                                 // Must replace extension of the file to be .lyx
1095                                 // and get full path
1096                                 FileName const s = fileSearch(string(), changeExtension(file_name, ".lyx"), "lyx");
1097                                 // Either change buffer or load the file
1098                                 if (theBufferList().exists(s))
1099                                         buf = theBufferList().getBuffer(s);
1100                                 else if (s.exists()) {
1101                                         buf = lyx_view_->loadDocument(s);
1102                                         loaded = true;
1103                                 } else
1104                                         lyx_view_->message(bformat(
1105                                                 _("File does not exist: %1$s"),
1106                                                 makeDisplayPath(file_name)));
1107                         }
1108
1109                         if (!buf) {
1110                                 updateFlags = Update::None;
1111                                 break;
1112                         }
1113
1114                         buf->updateLabels();
1115                         lyx_view_->setBuffer(buf);
1116                         view()->setCursorFromRow(row);
1117                         if (loaded)
1118                                 buf->errors("Parse");
1119                         updateFlags = Update::FitCursor;
1120                         break;
1121                 }
1122
1123
1124                 case LFUN_DIALOG_SHOW_NEW_INSET: {
1125                         LASSERT(lyx_view_, /**/);
1126                         string const name = cmd.getArg(0);
1127                         InsetCode code = insetCode(name);
1128                         string data = trim(to_utf8(cmd.argument()).substr(name.size()));
1129                         bool insetCodeOK = true;
1130                         switch (code) {
1131                         case BIBITEM_CODE:
1132                         case BIBTEX_CODE:
1133                         case INDEX_CODE:
1134                         case LABEL_CODE:
1135                         case NOMENCL_CODE:
1136                         case NOMENCL_PRINT_CODE:
1137                         case REF_CODE:
1138                         case TOC_CODE:
1139                         case HYPERLINK_CODE: {
1140                                 InsetCommandParams p(code);
1141                                 data = InsetCommand::params2string(name, p);
1142                                 break;
1143                         }
1144                         case INCLUDE_CODE: {
1145                                 // data is the include type: one of "include",
1146                                 // "input", "verbatiminput" or "verbatiminput*"
1147                                 if (data.empty())
1148                                         // default type is requested
1149                                         data = "include";
1150                                 InsetCommandParams p(INCLUDE_CODE, data);
1151                                 data = InsetCommand::params2string("include", p);
1152                                 break;
1153                         }
1154                         case BOX_CODE: {
1155                                 // \c data == "Boxed" || "Frameless" etc
1156                                 InsetBoxParams p(data);
1157                                 data = InsetBox::params2string(p);
1158                                 break;
1159                         }
1160                         case BRANCH_CODE: {
1161                                 InsetBranchParams p;
1162                                 data = InsetBranch::params2string(p);
1163                                 break;
1164                         }
1165                         case CITE_CODE: {
1166                                 InsetCommandParams p(CITE_CODE);
1167                                 data = InsetCommand::params2string(name, p);
1168                                 break;
1169                         }
1170                         case ERT_CODE: {
1171                                 data = InsetERT::params2string(InsetCollapsable::Open);
1172                                 break;
1173                         }
1174                         case EXTERNAL_CODE: {
1175                                 InsetExternalParams p;
1176                                 data = InsetExternal::params2string(p, *buffer);
1177                                 break;
1178                         }
1179                         case FLOAT_CODE:  {
1180                                 InsetFloatParams p;
1181                                 data = InsetFloat::params2string(p);
1182                                 break;
1183                         }
1184                         case LISTINGS_CODE: {
1185                                 InsetListingsParams p;
1186                                 data = InsetListings::params2string(p);
1187                                 break;
1188                         }
1189                         case GRAPHICS_CODE: {
1190                                 InsetGraphicsParams p;
1191                                 data = InsetGraphics::params2string(p, *buffer);
1192                                 break;
1193                         }
1194                         case NOTE_CODE: {
1195                                 InsetNoteParams p;
1196                                 data = InsetNote::params2string(p);
1197                                 break;
1198                         }
1199                         case PHANTOM_CODE: {
1200                                 InsetPhantomParams p;
1201                                 data = InsetPhantom::params2string(p);
1202                                 break;
1203                         }
1204                         case SPACE_CODE: {
1205                                 InsetSpaceParams p;
1206                                 data = InsetSpace::params2string(p);
1207                                 break;
1208                         }
1209                         case VSPACE_CODE: {
1210                                 VSpace space;
1211                                 data = InsetVSpace::params2string(space);
1212                                 break;
1213                         }
1214                         case WRAP_CODE: {
1215                                 InsetWrapParams p;
1216                                 data = InsetWrap::params2string(p);
1217                                 break;
1218                         }
1219                         default:
1220                                 lyxerr << "Inset type '" << name <<
1221                                         "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" <<  endl;
1222                                 insetCodeOK = false;
1223                                 break;
1224                         } // end switch(code)
1225                         if (insetCodeOK)
1226                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
1227                         break;
1228                 }
1229
1230                 case LFUN_CITATION_INSERT: {
1231                         LASSERT(lyx_view_, /**/);
1232                         if (!argument.empty()) {
1233                                 // we can have one optional argument, delimited by '|'
1234                                 // citation-insert <key>|<text_before>
1235                                 // this should be enhanced to also support text_after
1236                                 // and citation style
1237                                 string arg = argument;
1238                                 string opt1;
1239                                 if (contains(argument, "|")) {
1240                                         arg = token(argument, '|', 0);
1241                                         opt1 = token(argument, '|', 1);
1242                                 }
1243                                 InsetCommandParams icp(CITE_CODE);
1244                                 icp["key"] = from_utf8(arg);
1245                                 if (!opt1.empty())
1246                                         icp["before"] = from_utf8(opt1);
1247                                 string icstr = InsetCommand::params2string("citation", icp);
1248                                 FuncRequest fr(LFUN_INSET_INSERT, icstr);
1249                                 dispatch(fr);
1250                         } else
1251                                 dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
1252                         break;
1253                 }
1254
1255                 case LFUN_BUFFER_CHILD_OPEN: {
1256                         LASSERT(lyx_view_ && buffer, /**/);
1257                         FileName filename = makeAbsPath(argument, buffer->filePath());
1258                         view()->saveBookmark(false);
1259                         Buffer * child = 0;
1260                         bool parsed = false;
1261                         if (theBufferList().exists(filename)) {
1262                                 child = theBufferList().getBuffer(filename);
1263                         } else {
1264                                 setMessage(bformat(_("Opening child document %1$s..."),
1265                                         makeDisplayPath(filename.absFilename())));
1266                                 child = lyx_view_->loadDocument(filename, false);
1267                                 parsed = true;
1268                         }
1269                         if (child) {
1270                                 // Set the parent name of the child document.
1271                                 // This makes insertion of citations and references in the child work,
1272                                 // when the target is in the parent or another child document.
1273                                 child->setParent(buffer);
1274                                 child->masterBuffer()->updateLabels();
1275                                 lyx_view_->setBuffer(child);
1276                                 if (parsed)
1277                                         child->errors("Parse");
1278                         }
1279
1280                         // If a screen update is required (in case where auto_open is false),
1281                         // setBuffer() would have taken care of it already. Otherwise we shall
1282                         // reset the update flag because it can cause a circular problem.
1283                         // See bug 3970.
1284                         updateFlags = Update::None;
1285                         break;
1286                 }
1287
1288                 case LFUN_CURSOR_FOLLOWS_SCROLLBAR_TOGGLE:
1289                         LASSERT(lyx_view_, /**/);
1290                         lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1291                         break;
1292
1293                 case LFUN_KEYMAP_OFF:
1294                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1295                         lyx_view_->view()->getIntl().keyMapOn(false);
1296                         break;
1297
1298                 case LFUN_KEYMAP_PRIMARY:
1299                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1300                         lyx_view_->view()->getIntl().keyMapPrim();
1301                         break;
1302
1303                 case LFUN_KEYMAP_SECONDARY:
1304                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1305                         lyx_view_->view()->getIntl().keyMapSec();
1306                         break;
1307
1308                 case LFUN_KEYMAP_TOGGLE:
1309                         LASSERT(lyx_view_ && lyx_view_->view(), /**/);
1310                         lyx_view_->view()->getIntl().toggleKeyMap();
1311                         break;
1312
1313                 case LFUN_REPEAT: {
1314                         // repeat command
1315                         string countstr;
1316                         string rest = split(argument, countstr, ' ');
1317                         istringstream is(countstr);
1318                         int count = 0;
1319                         is >> count;
1320                         //lyxerr << "repeat: count: " << count << " cmd: " << rest << endl;
1321                         for (int i = 0; i < count; ++i)
1322                                 dispatch(lyxaction.lookupFunc(rest));
1323                         break;
1324                 }
1325
1326                 case LFUN_COMMAND_SEQUENCE: {
1327                         // argument contains ';'-terminated commands
1328                         string arg = argument;
1329                         if (theBufferList().isLoaded(buffer))
1330                                 buffer->undo().beginUndoGroup();
1331                         while (!arg.empty()) {
1332                                 string first;
1333                                 arg = split(arg, first, ';');
1334                                 FuncRequest func(lyxaction.lookupFunc(first));
1335                                 func.origin = cmd.origin;
1336                                 dispatch(func);
1337                         }
1338                         if (theBufferList().isLoaded(buffer))
1339                                 buffer->undo().endUndoGroup();
1340                         break;
1341                 }
1342
1343                 case LFUN_COMMAND_ALTERNATIVES: {
1344                         // argument contains ';'-terminated commands
1345                         string arg = argument;
1346                         while (!arg.empty()) {
1347                                 string first;
1348                                 arg = split(arg, first, ';');
1349                                 FuncRequest func(lyxaction.lookupFunc(first));
1350                                 func.origin = cmd.origin;
1351                                 FuncStatus stat = getStatus(func);
1352                                 if (stat.enabled()) {
1353                                         dispatch(func);
1354                                         break;
1355                                 }
1356                         }
1357                         break;
1358                 }
1359
1360                 case LFUN_CALL: {
1361                         FuncRequest func;
1362                         if (theTopLevelCmdDef().lock(argument, func)) {
1363                                 func.origin = cmd.origin;
1364                                 dispatch(func);
1365                                 theTopLevelCmdDef().release(argument);
1366                         } else {
1367                                 if (func.action == LFUN_UNKNOWN_ACTION) {
1368                                         // unknown command definition
1369                                         lyxerr << "Warning: unknown command definition `"
1370                                                    << argument << "'"
1371                                                    << endl;
1372                                 } else {
1373                                         // recursion detected
1374                                         lyxerr << "Warning: Recursion in the command definition `"
1375                                                    << argument << "' detected"
1376                                                    << endl;
1377                                 }
1378                         }
1379                         break;
1380                 }
1381
1382                 case LFUN_PREFERENCES_SAVE: {
1383                         lyxrc.write(makeAbsPath("preferences",
1384                                                 package().user_support().absFilename()),
1385                                     false);
1386                         break;
1387                 }
1388
1389                 case LFUN_MESSAGE:
1390                         LASSERT(lyx_view_, /**/);
1391                         lyx_view_->message(from_utf8(argument));
1392                         break;
1393
1394                 case LFUN_BUFFER_LANGUAGE: {
1395                         LASSERT(lyx_view_, /**/);
1396                         Language const * oldL = buffer->params().language;
1397                         Language const * newL = languages.getLanguage(argument);
1398                         if (!newL || oldL == newL)
1399                                 break;
1400
1401                         if (oldL->rightToLeft() == newL->rightToLeft()
1402                             && !buffer->isMultiLingual())
1403                                 buffer->changeLanguage(oldL, newL);
1404                         break;
1405                 }
1406
1407                 case LFUN_BUFFER_SAVE_AS_DEFAULT: {
1408                         string const fname =
1409                                 addName(addPath(package().user_support().absFilename(), "templates/"),
1410                                         "defaults.lyx");
1411                         Buffer defaults(fname);
1412
1413                         istringstream ss(argument);
1414                         Lexer lex;
1415                         lex.setStream(ss);
1416                         int const unknown_tokens = defaults.readHeader(lex);
1417
1418                         if (unknown_tokens != 0) {
1419                                 lyxerr << "Warning in LFUN_BUFFER_SAVE_AS_DEFAULT!\n"
1420                                        << unknown_tokens << " unknown token"
1421                                        << (unknown_tokens == 1 ? "" : "s")
1422                                        << endl;
1423                         }
1424
1425                         if (defaults.writeFile(FileName(defaults.absFileName())))
1426                                 setMessage(bformat(_("Document defaults saved in %1$s"),
1427                                                    makeDisplayPath(fname)));
1428                         else
1429                                 setErrorMessage(from_ascii(N_("Unable to save document defaults")));
1430                         break;
1431                 }
1432
1433                 case LFUN_BUFFER_PARAMS_APPLY: {
1434                         LASSERT(lyx_view_, /**/);
1435
1436                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1437                         Cursor & cur = view()->cursor();
1438                         cur.recordUndoFullDocument();
1439
1440                         istringstream ss(argument);
1441                         Lexer lex;
1442                         lex.setStream(ss);
1443                         int const unknown_tokens = buffer->readHeader(lex);
1444
1445                         if (unknown_tokens != 0) {
1446                                 lyxerr << "Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1447                                                 << unknown_tokens << " unknown token"
1448                                                 << (unknown_tokens == 1 ? "" : "s")
1449                                                 << endl;
1450                         }
1451
1452                         updateLayout(oldClass, buffer);
1453
1454                         updateFlags = Update::Force | Update::FitCursor;
1455                         // We are most certainly here because of a change in the document
1456                         // It is then better to make sure that all dialogs are in sync with
1457                         // current document settings. LyXView::restartCursor() achieve this.
1458                         lyx_view_->restartCursor();
1459                         break;
1460                 }
1461
1462                 case LFUN_LAYOUT_MODULES_CLEAR: {
1463                         LASSERT(lyx_view_, /**/);
1464                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1465                         view()->cursor().recordUndoFullDocument();
1466                         buffer->params().clearLayoutModules();
1467                         buffer->params().makeDocumentClass();
1468                         updateLayout(oldClass, buffer);
1469                         updateFlags = Update::Force | Update::FitCursor;
1470                         break;
1471                 }
1472
1473                 case LFUN_LAYOUT_MODULE_ADD: {
1474                         LASSERT(lyx_view_, /**/);
1475                         BufferParams const & params = buffer->params();
1476                         if (!params.moduleCanBeAdded(argument)) {
1477                                 LYXERR0("Module `" << argument <<
1478                                                 "' cannot be added due to failed requirements or "
1479                                                 "conflicts with installed modules.");
1480                                 break;
1481                         }
1482                         DocumentClass const * const oldClass = params.documentClassPtr();
1483                         view()->cursor().recordUndoFullDocument();
1484                         buffer->params().addLayoutModule(argument);
1485                         buffer->params().makeDocumentClass();
1486                         updateLayout(oldClass, buffer);
1487                         updateFlags = Update::Force | Update::FitCursor;
1488                         break;
1489                 }
1490
1491                 case LFUN_TEXTCLASS_APPLY: {
1492                         LASSERT(lyx_view_, /**/);
1493
1494                         if (!loadLayoutFile(argument, buffer->temppath()) &&
1495                                 !loadLayoutFile(argument, buffer->filePath()))
1496                                 break;
1497
1498                         LayoutFile const * old_layout = buffer->params().baseClass();
1499                         LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1500
1501                         if (old_layout == new_layout)
1502                                 // nothing to do
1503                                 break;
1504
1505                         //Save the old, possibly modular, layout for use in conversion.
1506                         DocumentClass const * const oldDocClass = buffer->params().documentClassPtr();
1507                         view()->cursor().recordUndoFullDocument();
1508                         buffer->params().setBaseClass(argument);
1509                         buffer->params().makeDocumentClass();
1510                         updateLayout(oldDocClass, buffer);
1511                         updateFlags = Update::Force | Update::FitCursor;
1512                         break;
1513                 }
1514
1515                 case LFUN_LAYOUT_RELOAD: {
1516                         LASSERT(lyx_view_, /**/);
1517                         DocumentClass const * const oldClass = buffer->params().documentClassPtr();
1518                         LayoutFileIndex bc = buffer->params().baseClassID();
1519                         LayoutFileList::get().reset(bc);
1520                         buffer->params().setBaseClass(bc);
1521                         buffer->params().makeDocumentClass();
1522                         updateLayout(oldClass, buffer);
1523                         updateFlags = Update::Force | Update::FitCursor;
1524                         break;
1525                 }
1526
1527                 case LFUN_TEXTCLASS_LOAD:
1528                         loadLayoutFile(argument, buffer->temppath()) ||
1529                         loadLayoutFile(argument, buffer->filePath());
1530                         break;
1531
1532                 case LFUN_LYXRC_APPLY: {
1533                         LyXRC const lyxrc_orig = lyxrc;
1534
1535                         istringstream ss(argument);
1536                         bool const success = lyxrc.read(ss) == 0;
1537
1538                         if (!success) {
1539                                 lyxerr << "Warning in LFUN_LYXRC_APPLY!\n"
1540                                        << "Unable to read lyxrc data"
1541                                        << endl;
1542                                 break;
1543                         }
1544
1545                         actOnUpdatedPrefs(lyxrc_orig, lyxrc);
1546
1547                         theApp()->resetGui();
1548
1549                         /// We force the redraw in any case because there might be
1550                         /// some screen font changes.
1551                         /// FIXME: only the current view will be updated. the Gui
1552                         /// class is able to furnish the list of views.
1553                         updateFlags = Update::Force;
1554                         break;
1555                 }
1556
1557                 case LFUN_BOOKMARK_GOTO:
1558                         // go to bookmark, open unopened file and switch to buffer if necessary
1559                         gotoBookmark(convert<unsigned int>(to_utf8(cmd.argument())), true, true);
1560                         updateFlags = Update::FitCursor;
1561                         break;
1562
1563                 case LFUN_BOOKMARK_CLEAR:
1564                         theSession().bookmarks().clear();
1565                         break;
1566
1567                 case LFUN_VC_COMMAND: {
1568                         string flag = cmd.getArg(0);
1569                         if (buffer && contains(flag, 'R') && !ensureBufferClean(view()))
1570                                 break;
1571                         docstring message;
1572                         if (contains(flag, 'M'))
1573                                 if (!Alert::askForText(message, _("LyX VC: Log Message")))
1574                                         break;
1575
1576                         string path = cmd.getArg(1);
1577                         if (contains(path, "$$p") && buffer)
1578                                 path = subst(path, "$$p", buffer->filePath());
1579                         LYXERR(Debug::LYXVC, "Directory: " << path);
1580                         FileName pp(path);
1581                         if (!pp.isReadableDirectory()) {
1582                                 lyxerr << _("Directory is not accessible.") << endl;
1583                                 break;
1584                         }
1585                         support::PathChanger p(pp);
1586
1587                         string command = cmd.getArg(2);
1588                         if (command.empty())
1589                                 break;
1590                         if (buffer) {
1591                                 command = subst(command, "$$i", buffer->absFileName());
1592                                 command = subst(command, "$$p", buffer->filePath());
1593                         }
1594                         command = subst(command, "$$m", to_utf8(message));
1595                         LYXERR(Debug::LYXVC, "Command: " << command);
1596                         Systemcall one;
1597                         one.startscript(Systemcall::Wait, command);
1598
1599                         if (!buffer)
1600                                 break;
1601                         if (contains(flag, 'I'))
1602                                 buffer->markDirty();
1603                         if (contains(flag, 'R'))
1604                                 reloadBuffer();
1605
1606                         break;
1607                 }
1608
1609                 default:
1610                         LASSERT(theApp(), /**/);
1611                         // Let the frontend dispatch its own actions.
1612                         if (theApp()->dispatch(cmd))
1613                                 // Nothing more to do.
1614                                 return;
1615
1616                         // Everything below is only for active lyx_view_
1617                         if (lyx_view_ == 0)
1618                                 break;
1619
1620                         // Start an undo group. This may be needed for
1621                         // some stuff like inset-apply on labels.
1622                         if (theBufferList().isLoaded(buffer))
1623                                 buffer->undo().beginUndoGroup();
1624
1625                         // Let the current LyXView dispatch its own actions.
1626                         if (lyx_view_->dispatch(cmd)) {
1627                                 if (lyx_view_->view()) {
1628                                         updateFlags = lyx_view_->view()->cursor().result().update();
1629                                         if (theBufferList().isLoaded(buffer))
1630                                                 buffer->undo().endUndoGroup();
1631                                 }
1632                                 break;
1633                         }
1634
1635                         LASSERT(lyx_view_->view(), /**/);
1636
1637                         // Let the current BufferView dispatch its own actions.
1638                         if (view()->dispatch(cmd)) {
1639                                 // The BufferView took care of its own updates if needed.
1640                                 updateFlags = Update::None;
1641                                 if (theBufferList().isLoaded(buffer))
1642                                         buffer->undo().endUndoGroup();
1643                                 break;
1644                         }
1645
1646                         // OK, so try the Buffer itself
1647                         DispatchResult dr;
1648                         view()->buffer().dispatch(cmd, dr);
1649                         if (dr.dispatched()) {
1650                                 updateFlags = dr.update();
1651                                 break;
1652                         }
1653
1654                         // Is this a function that acts on inset at point?
1655                         Inset * inset = view()->cursor().nextInset();
1656                         if (lyxaction.funcHasFlag(action, LyXAction::AtPoint)
1657                             && inset) {
1658                                 view()->cursor().result().dispatched(true);
1659                                 view()->cursor().result().update(Update::FitCursor | Update::Force);
1660                                 FuncRequest tmpcmd = cmd;
1661                                 inset->dispatch(view()->cursor(), tmpcmd);
1662                                 if (view()->cursor().result().dispatched()) {
1663                                         updateFlags = view()->cursor().result().update();
1664                                         break;
1665                                 }
1666                         }
1667
1668                         // Let the current Cursor dispatch its own actions.
1669                         Cursor old = view()->cursor();
1670                         view()->cursor().getPos(cursorPosBeforeDispatchX_,
1671                                                 cursorPosBeforeDispatchY_);
1672                         view()->cursor().dispatch(cmd);
1673
1674                         // notify insets we just left
1675                         if (view()->cursor() != old) {
1676                                 old.fixIfBroken();
1677                                 bool badcursor = notifyCursorLeavesOrEnters(old, view()->cursor());
1678                                 if (badcursor)
1679                                         view()->cursor().fixIfBroken();
1680                         }
1681
1682                         if (theBufferList().isLoaded(buffer))
1683                                 buffer->undo().endUndoGroup();
1684
1685                         // update completion. We do it here and not in
1686                         // processKeySym to avoid another redraw just for a
1687                         // changed inline completion
1688                         if (cmd.origin == FuncRequest::KEYBOARD) {
1689                                 if (cmd.action == LFUN_SELF_INSERT)
1690                                         lyx_view_->updateCompletion(view()->cursor(), true, true);
1691                                 else if (cmd.action == LFUN_CHAR_DELETE_BACKWARD)
1692                                         lyx_view_->updateCompletion(view()->cursor(), false, true);
1693                                 else
1694                                         lyx_view_->updateCompletion(view()->cursor(), false, false);
1695                         }
1696
1697                         updateFlags = view()->cursor().result().update();
1698                 }
1699
1700                 // if we executed a mutating lfun, mark the buffer as dirty
1701                 if (theBufferList().isLoaded(buffer) && flag.enabled()
1702                     && !lyxaction.funcHasFlag(action, LyXAction::NoBuffer)
1703                     && !lyxaction.funcHasFlag(action, LyXAction::ReadOnly))
1704                         buffer->markDirty();
1705
1706                 if (lyx_view_ && lyx_view_->buffer()) {
1707                         // BufferView::update() updates the ViewMetricsInfo and
1708                         // also initializes the position cache for all insets in
1709                         // (at least partially) visible top-level paragraphs.
1710                         // We will redraw the screen only if needed.
1711                         view()->processUpdateFlags(updateFlags);
1712
1713                         // Do we have a selection?
1714                         theSelection().haveSelection(view()->cursor().selection());
1715
1716                         // update gui
1717                         lyx_view_->restartCursor();
1718                 }
1719         }
1720         if (lyx_view_) {
1721                 // Some messages may already be translated, so we cannot use _()
1722                 sendDispatchMessage(translateIfPossible(getMessage()), cmd);
1723         }
1724 }
1725
1726
1727 void LyXFunc::sendDispatchMessage(docstring const & msg, FuncRequest const & cmd)
1728 {
1729         const bool verbose = (cmd.origin == FuncRequest::MENU
1730                               || cmd.origin == FuncRequest::TOOLBAR
1731                               || cmd.origin == FuncRequest::COMMANDBUFFER);
1732
1733         if (cmd.action == LFUN_SELF_INSERT || !verbose) {
1734                 LYXERR(Debug::ACTION, "dispatch msg is " << to_utf8(msg));
1735                 if (!msg.empty())
1736                         lyx_view_->message(msg);
1737                 return;
1738         }
1739
1740         docstring dispatch_msg = msg;
1741         if (!dispatch_msg.empty())
1742                 dispatch_msg += ' ';
1743
1744         docstring comname = from_utf8(lyxaction.getActionName(cmd.action));
1745
1746         bool argsadded = false;
1747
1748         if (!cmd.argument().empty()) {
1749                 if (cmd.action != LFUN_UNKNOWN_ACTION) {
1750                         comname += ' ' + cmd.argument();
1751                         argsadded = true;
1752                 }
1753         }
1754
1755         docstring const shortcuts = theTopLevelKeymap().printBindings(cmd, KeySequence::ForGui);
1756
1757         if (!shortcuts.empty())
1758                 comname += ": " + shortcuts;
1759         else if (!argsadded && !cmd.argument().empty())
1760                 comname += ' ' + cmd.argument();
1761
1762         if (!comname.empty()) {
1763                 comname = rtrim(comname);
1764                 dispatch_msg += '(' + rtrim(comname) + ')';
1765         }
1766
1767         LYXERR(Debug::ACTION, "verbose dispatch msg " << to_utf8(dispatch_msg));
1768         if (!dispatch_msg.empty())
1769                 lyx_view_->message(dispatch_msg);
1770 }
1771
1772
1773 void LyXFunc::reloadBuffer()
1774 {
1775         FileName filename = lyx_view_->buffer()->fileName();
1776         // The user has already confirmed that the changes, if any, should
1777         // be discarded. So we just release the Buffer and don't call closeBuffer();
1778         theBufferList().release(lyx_view_->buffer());
1779         // if the lyx_view_ has been destroyed, create a new one
1780         if (!lyx_view_)
1781                 theApp()->dispatch(FuncRequest(LFUN_WINDOW_NEW));
1782         Buffer * buf = lyx_view_->loadDocument(filename);
1783         docstring const disp_fn = makeDisplayPath(filename.absFilename());
1784         docstring str;
1785         if (buf) {
1786                 buf->updateLabels();
1787                 lyx_view_->setBuffer(buf);
1788                 buf->errors("Parse");
1789                 str = bformat(_("Document %1$s reloaded."), disp_fn);
1790         } else {
1791                 str = bformat(_("Could not reload document %1$s"), disp_fn);
1792         }
1793         lyx_view_->message(str);
1794 }
1795
1796 // Each "lyx_view_" should have it's own message method. lyxview and
1797 // the minibuffer would use the minibuffer, but lyxserver would
1798 // send an ERROR signal to its client.  Alejandro 970603
1799 // This function is bit problematic when it comes to NLS, to make the
1800 // lyx servers client be language indepenent we must not translate
1801 // strings sent to this func.
1802 void LyXFunc::setErrorMessage(docstring const & m) const
1803 {
1804         dispatch_buffer = m;
1805         errorstat = true;
1806 }
1807
1808
1809 void LyXFunc::setMessage(docstring const & m) const
1810 {
1811         dispatch_buffer = m;
1812 }
1813
1814
1815 docstring LyXFunc::viewStatusMessage()
1816 {
1817         // When meta-fake key is pressed, show the key sequence so far + "M-".
1818         if (wasMetaKey())
1819                 return keyseq.print(KeySequence::ForGui) + "M-";
1820
1821         // Else, when a non-complete key sequence is pressed,
1822         // show the available options.
1823         if (keyseq.length() > 0 && !keyseq.deleted())
1824                 return keyseq.printOptions(true);
1825
1826         LASSERT(lyx_view_, /**/);
1827         if (!lyx_view_->buffer())
1828                 return _("Welcome to LyX!");
1829
1830         return view()->cursor().currentState();
1831 }
1832
1833
1834 BufferView * LyXFunc::view() const
1835 {
1836         LASSERT(lyx_view_, /**/);
1837         return lyx_view_->view();
1838 }
1839
1840
1841 bool LyXFunc::wasMetaKey() const
1842 {
1843         return (meta_fake_bit != NoModifier);
1844 }
1845
1846
1847 void LyXFunc::updateLayout(DocumentClass const * const oldlayout, Buffer * buf)
1848 {
1849         lyx_view_->message(_("Converting document to new document class..."));
1850
1851         StableDocIterator backcur(view()->cursor());
1852         ErrorList & el = buf->errorList("Class Switch");
1853         cap::switchBetweenClasses(
1854                         oldlayout, buf->params().documentClassPtr(),
1855                         static_cast<InsetText &>(buf->inset()), el);
1856
1857         view()->setCursor(backcur.asDocIterator(buf));
1858
1859         buf->errors("Class Switch");
1860         buf->updateLabels();
1861 }
1862
1863
1864 namespace {
1865
1866 void actOnUpdatedPrefs(LyXRC const & lyxrc_orig, LyXRC const & lyxrc_new)
1867 {
1868         // Why the switch you might ask. It is a trick to ensure that all
1869         // the elements in the LyXRCTags enum is handled. As you can see
1870         // there are no breaks at all. So it is just a huge fall-through.
1871         // The nice thing is that we will get a warning from the compiler
1872         // if we forget an element.
1873         LyXRC::LyXRCTags tag = LyXRC::RC_LAST;
1874         switch (tag) {
1875         case LyXRC::RC_ACCEPT_COMPOUND:
1876         case LyXRC::RC_ALT_LANG:
1877         case LyXRC::RC_PLAINTEXT_LINELEN:
1878         case LyXRC::RC_PLAINTEXT_ROFF_COMMAND:
1879         case LyXRC::RC_AUTOCORRECTION_MATH:
1880         case LyXRC::RC_AUTOREGIONDELETE:
1881         case LyXRC::RC_AUTORESET_OPTIONS:
1882         case LyXRC::RC_AUTOSAVE:
1883         case LyXRC::RC_AUTO_NUMBER:
1884         case LyXRC::RC_BACKUPDIR_PATH:
1885         case LyXRC::RC_BIBTEX_ALTERNATIVES:
1886         case LyXRC::RC_BIBTEX_COMMAND:
1887         case LyXRC::RC_BINDFILE:
1888         case LyXRC::RC_CHECKLASTFILES:
1889         case LyXRC::RC_COMPLETION_CURSOR_TEXT:
1890         case LyXRC::RC_COMPLETION_INLINE_DELAY:
1891         case LyXRC::RC_COMPLETION_INLINE_DOTS:
1892         case LyXRC::RC_COMPLETION_INLINE_MATH:
1893         case LyXRC::RC_COMPLETION_INLINE_TEXT:
1894         case LyXRC::RC_COMPLETION_POPUP_AFTER_COMPLETE:
1895         case LyXRC::RC_COMPLETION_POPUP_DELAY:
1896         case LyXRC::RC_COMPLETION_POPUP_MATH:
1897         case LyXRC::RC_COMPLETION_POPUP_TEXT:
1898         case LyXRC::RC_USELASTFILEPOS:
1899         case LyXRC::RC_LOADSESSION:
1900         case LyXRC::RC_CHKTEX_COMMAND:
1901         case LyXRC::RC_CONVERTER:
1902         case LyXRC::RC_CONVERTER_CACHE_MAXAGE:
1903         case LyXRC::RC_COPIER:
1904         case LyXRC::RC_CURSOR_FOLLOWS_SCROLLBAR:
1905         case LyXRC::RC_SCROLL_BELOW_DOCUMENT:
1906         case LyXRC::RC_DATE_INSERT_FORMAT:
1907         case LyXRC::RC_DEFAULT_LANGUAGE:
1908         case LyXRC::RC_GUI_LANGUAGE:
1909         case LyXRC::RC_DEFAULT_PAPERSIZE:
1910         case LyXRC::RC_DEFAULT_VIEW_FORMAT:
1911         case LyXRC::RC_DEFFILE:
1912         case LyXRC::RC_DIALOGS_ICONIFY_WITH_MAIN:
1913         case LyXRC::RC_DISPLAY_GRAPHICS:
1914         case LyXRC::RC_DOCUMENTPATH:
1915                 if (lyxrc_orig.document_path != lyxrc_new.document_path) {
1916                         FileName path(lyxrc_new.document_path);
1917                         if (path.exists() && path.isDirectory())
1918                                 package().document_dir() = FileName(lyxrc.document_path);
1919                 }
1920         case LyXRC::RC_ESC_CHARS:
1921         case LyXRC::RC_EXAMPLEPATH:
1922         case LyXRC::RC_FONT_ENCODING:
1923         case LyXRC::RC_FORMAT:
1924         case LyXRC::RC_GROUP_LAYOUTS:
1925         case LyXRC::RC_INDEX_ALTERNATIVES:
1926         case LyXRC::RC_INDEX_COMMAND:
1927         case LyXRC::RC_JBIBTEX_COMMAND:
1928         case LyXRC::RC_JINDEX_COMMAND:
1929         case LyXRC::RC_NOMENCL_COMMAND:
1930         case LyXRC::RC_INPUT:
1931         case LyXRC::RC_KBMAP:
1932         case LyXRC::RC_KBMAP_PRIMARY:
1933         case LyXRC::RC_KBMAP_SECONDARY:
1934         case LyXRC::RC_LABEL_INIT_LENGTH:
1935         case LyXRC::RC_LANGUAGE_AUTO_BEGIN:
1936         case LyXRC::RC_LANGUAGE_AUTO_END:
1937         case LyXRC::RC_LANGUAGE_COMMAND_BEGIN:
1938         case LyXRC::RC_LANGUAGE_COMMAND_END:
1939         case LyXRC::RC_LANGUAGE_COMMAND_LOCAL:
1940         case LyXRC::RC_LANGUAGE_GLOBAL_OPTIONS:
1941         case LyXRC::RC_LANGUAGE_PACKAGE:
1942         case LyXRC::RC_LANGUAGE_USE_BABEL:
1943         case LyXRC::RC_MAC_LIKE_WORD_MOVEMENT:
1944         case LyXRC::RC_MACRO_EDIT_STYLE:
1945         case LyXRC::RC_MAKE_BACKUP:
1946         case LyXRC::RC_MARK_FOREIGN_LANGUAGE:
1947         case LyXRC::RC_MOUSE_WHEEL_SPEED:
1948         case LyXRC::RC_NUMLASTFILES:
1949         case LyXRC::RC_PATH_PREFIX:
1950                 if (lyxrc_orig.path_prefix != lyxrc_new.path_prefix) {
1951                         prependEnvPath("PATH", lyxrc.path_prefix);
1952                 }
1953         case LyXRC::RC_PERS_DICT:
1954         case LyXRC::RC_PREVIEW:
1955         case LyXRC::RC_PREVIEW_HASHED_LABELS:
1956         case LyXRC::RC_PREVIEW_SCALE_FACTOR:
1957         case LyXRC::RC_PRINTCOLLCOPIESFLAG:
1958         case LyXRC::RC_PRINTCOPIESFLAG:
1959         case LyXRC::RC_PRINTER:
1960         case LyXRC::RC_PRINTEVENPAGEFLAG:
1961         case LyXRC::RC_PRINTEXSTRAOPTIONS:
1962         case LyXRC::RC_PRINTFILEEXTENSION:
1963         case LyXRC::RC_PRINTLANDSCAPEFLAG:
1964         case LyXRC::RC_PRINTODDPAGEFLAG:
1965         case LyXRC::RC_PRINTPAGERANGEFLAG:
1966         case LyXRC::RC_PRINTPAPERDIMENSIONFLAG:
1967         case LyXRC::RC_PRINTPAPERFLAG:
1968         case LyXRC::RC_PRINTREVERSEFLAG:
1969         case LyXRC::RC_PRINTSPOOL_COMMAND:
1970         case LyXRC::RC_PRINTSPOOL_PRINTERPREFIX:
1971         case LyXRC::RC_PRINTTOFILE:
1972         case LyXRC::RC_PRINTTOPRINTER:
1973         case LyXRC::RC_PRINT_ADAPTOUTPUT:
1974         case LyXRC::RC_PRINT_COMMAND:
1975         case LyXRC::RC_RTL_SUPPORT:
1976         case LyXRC::RC_SCREEN_DPI:
1977         case LyXRC::RC_SCREEN_FONT_ROMAN:
1978         case LyXRC::RC_SCREEN_FONT_ROMAN_FOUNDRY:
1979         case LyXRC::RC_SCREEN_FONT_SANS:
1980         case LyXRC::RC_SCREEN_FONT_SANS_FOUNDRY:
1981         case LyXRC::RC_SCREEN_FONT_SCALABLE:
1982         case LyXRC::RC_SCREEN_FONT_SIZES:
1983         case LyXRC::RC_SCREEN_FONT_TYPEWRITER:
1984         case LyXRC::RC_SCREEN_FONT_TYPEWRITER_FOUNDRY:
1985         case LyXRC::RC_GEOMETRY_SESSION:
1986         case LyXRC::RC_SCREEN_ZOOM:
1987         case LyXRC::RC_SERVERPIPE:
1988         case LyXRC::RC_SET_COLOR:
1989         case LyXRC::RC_SHOW_BANNER:
1990         case LyXRC::RC_OPEN_BUFFERS_IN_TABS:
1991         case LyXRC::RC_SPELL_COMMAND:
1992         case LyXRC::RC_SPELLCHECK_CONTINUOUSLY:
1993         case LyXRC::RC_SPLITINDEX_COMMAND:
1994         case LyXRC::RC_TEMPDIRPATH:
1995         case LyXRC::RC_TEMPLATEPATH:
1996         case LyXRC::RC_TEX_ALLOWS_SPACES:
1997         case LyXRC::RC_TEX_EXPECTS_WINDOWS_PATHS:
1998                 if (lyxrc_orig.windows_style_tex_paths != lyxrc_new.windows_style_tex_paths) {
1999                         os::windows_style_tex_paths(lyxrc_new.windows_style_tex_paths);
2000                 }
2001         case LyXRC::RC_THESAURUSDIRPATH:
2002         case LyXRC::RC_UIFILE:
2003         case LyXRC::RC_USER_EMAIL:
2004         case LyXRC::RC_USER_NAME:
2005         case LyXRC::RC_USETEMPDIR:
2006         case LyXRC::RC_USE_ALT_LANG:
2007         case LyXRC::RC_USE_CONVERTER_CACHE:
2008         case LyXRC::RC_USE_ESC_CHARS:
2009         case LyXRC::RC_USE_INP_ENC:
2010         case LyXRC::RC_USE_PERS_DICT:
2011         case LyXRC::RC_USE_TOOLTIP:
2012         case LyXRC::RC_USE_PIXMAP_CACHE:
2013         case LyXRC::RC_USE_SPELL_LIB:
2014         case LyXRC::RC_VIEWDVI_PAPEROPTION:
2015         case LyXRC::RC_SORT_LAYOUTS:
2016         case LyXRC::RC_FULL_SCREEN_LIMIT:
2017         case LyXRC::RC_FULL_SCREEN_SCROLLBAR:
2018         case LyXRC::RC_FULL_SCREEN_TABBAR:
2019         case LyXRC::RC_FULL_SCREEN_TOOLBARS:
2020         case LyXRC::RC_FULL_SCREEN_WIDTH:
2021         case LyXRC::RC_VISUAL_CURSOR:
2022         case LyXRC::RC_VIEWER:
2023         case LyXRC::RC_LAST:
2024                 break;
2025         }
2026 }
2027
2028 } // namespace anon
2029 } // namespace lyx